| blob | 01df17197957667caa054308028d76e7197faeaf |
1 2006-05-02 Paul Brook <paul@codesourcery.com>
3 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
4 and pool overlap.
5 (create_fix_barrier): Check that a suitable barrier location is
6 found.
7 (arm_reorg): Include ftmp->address in allowable range of addresses.
9 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
11 PR ada/27366
12 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
13 on Cygwin.
15 2006-05-02 Jakub Jelinek <jakub@redhat.com>
17 PR middle-end/27337
18 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
19 around RESULT_DECL for result passed by reference.
20 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
21 * omp-low.c (use_pointer_for_field): Don't look at
22 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
23 (scan_omp_1): Call remap_decl on RESULT_DECLs.
24 (lower_rec_input_clauses): Don't allocate VLA memory for the second
25 time or var for passing by reference for
26 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
27 TREE_ADDRESSABLE variables when passing by reference.
29 * omp-low.c (dump_omp_region): Fix output formatting.
31 PR middle-end/27328
32 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
33 (expand_omp_parallel): Likewise.
34 * tree-cfg.c (move_sese_region_to_fn): Likewise.
36 PR middle-end/27325
37 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
38 on statement list containing also constructors and destructors.
39 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
41 PR middle-end/27310
42 * except.c (duplicate_eh_regions): Fix clearing of
43 cfun->eh->region_array entries.
45 2006-05-01 DJ Delorie <dj@redhat.com>
47 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
48 build!=host.
49 (gcc_cv_objdump): Likewise.
50 * configure: Regenerated.
52 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
54 PR target/27374
55 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
56 templates for case 3 and 4.
58 2006-05-01 DJ Delorie <dj@redhat.com>
60 * vec.c: Include bconfig.h when appropriate.
61 * Makefile.in (build/vec.o): Adjust dependencies.
62 * mkconfig.sh: Make sure config.h isn't used for build machine
63 compiles.
65 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
67 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
68 variables.
69 (mark_phi_for_rewrite): New function.
70 (insert_phi_nodes_for, mark_use_interesting): Call
71 mark_phi_for_rewrite.
72 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
73 (update_ssa): Initialize and free phis_to_rewrite.
75 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
77 PR rtl-optimization/27291
78 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
79 folded to a constant.
81 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
83 PR tree-optimization/27283
84 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
85 not whole # of iteration descriptions.
86 (niter_for_exit): Return just # of iterations. Fail if # of iterations
87 uses abnormal ssa name.
88 (niter_for_single_dom_exit): Ditto.
89 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
90 return just the number of iterations.
92 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
94 PR tree-optimization/27144
95 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
96 (record_estimate): Only record constant upper bound.
97 (infer_loop_bounds_from_undefined): Call
98 compute_estimated_nb_iterations just once.
99 (proved_non_wrapping_p): Renamed to ...
100 (n_of_executions_at_most): ... this. Expect bound to be a constant.
101 (convert_step_widening, scev_probably_wraps_p): Call
102 n_of_executions_at_most instead of proved_non_wrapping_p.
103 (substitute_in_loop_info): Do not replace values in bounds.
104 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
105 comments.
107 2006-05-01 Richard Henderson <rth@redhat.com>
109 PR c/27358
110 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
111 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
112 CPP_PRAGMA.
114 2006-05-01 Roger Sayle <roger@eyesopen.com>
116 * c-typeck.c (parser_build_binary_op): Don't call the function
117 unsigned_conversion_warning to spot operand/result type overflow.
118 (build_binary_op): Instead, call convert_and_check instead of
119 convert to report the problem when the operands are promoted.
120 * c-common.c (unsigned_conversion_warning): Make static.
121 * c-common.h (unsigned_conversion_warning): Delete prototype.
123 2006-05-01 Richard Guenther <rguenther@suse.de>
125 PR tree-optimization/26726
126 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
127 problem ...
128 (find_interesting_uses_address): ... we work around here
129 by folding INDIRECT_REFs in the substituted base.
131 2006-05-01 Diego Novillo <dnovillo@redhat.com>
133 * omp-low.c (dump_omp_region): Add newlines.
135 2006-04-30 Roger Sayle <roger@eyesopen.com>
137 * common.opt (Woverflow): New command line option.
138 * c-common.c (constant_expression_warning): Check warn_overflow.
139 (overflow_waring): Pass OPT_Woverflow to warning.
140 (unsigned_conversion_warning): Likewise.
141 (convert_and_check): Likewise.
142 * doc/invoke.texi: Document new command line option.
144 2006-04-30 David Edelsohn <edelsohn@gnu.org>
146 * config/rs6000/rs6000.c (rs6000_override_options): Enable
147 TARGET_NO_FP_IN_TOC for section anchors.
148 (optimization_options): Enable section anchors for all
149 non-"Objective" languages.
151 2006-04-28 Eric Christopher <echristo@apple.com>
153 * config/darwin-c.c (darwin_ms_struct): Move this
154 (darwin_set_default_type_attributes): and this...
155 * config/darwin.c: ... here.
156 * config/darwin.h (darwin_ms_struct): Declare.
158 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
160 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
162 2006-04-28 Roger Sayle <roger@eyesopen.com>
164 PR c/25309
165 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
166 (push_array_bounds): Delete prototype. Change BOUNDS argument to
167 an unsigned HOST_WIDE_INT.
168 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
169 array index.
170 (really_start_incremental_init): No need to call convert because
171 bitsize_zero_node is already of type bitsizetype.
172 (push_init_level): Extract the value of constructor_index as an
173 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
174 (process_init_element): Likewise.
176 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
178 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
179 value before passing to make_relative_prefix.
181 2006-04-28 Alan Modra <amodra@bigpond.net.au>
183 PR middle-end/27260
184 * builtins.c (expand_builtin_memset): Expand val in original mode.
186 2006-04-27 Eric Christopher <echristo@apple.com>
188 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
189 with #ifndef/#endif.
190 * config/darwin-c.c (darwin_ms_struct): New.
191 (darwin_pragma_ms_struct): Ditto.
192 (darwin_set_default_type_attributes): Ditto.
193 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
194 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
195 Register ms_struct pragma.
196 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
197 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
198 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
199 darwin_set_default_type_attributes if TARGET_MACHO.
201 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
203 PR tree-optimization/26854
204 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
205 * doc/tree-ssa.texi: Update immuse iterator documentation.
206 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
207 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
208 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
209 first_safe_imm_use, next_safe_imm_use): Remove.
210 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
211 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
212 (move_use_after_head): New. Helper function to sort immuses in a stmt.
213 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
214 (first_imm_use_stmt): New. Get first stmt in an immuse list.
215 (next_imm_use_stmt): New. Get next stmt in an immuse list.
216 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
217 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
218 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
219 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
220 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
221 (perfect_nestify): Use new iterator.
222 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
223 iterator.
224 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
225 (next_imm_name): New field in struct immediate_use_iterator_d.
226 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
227 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
228 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
229 * tree-cfg.c (replace_uses_by): Use new iterator.
230 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
231 * tree-ssa-operands.c (correct_use_link): Remove.
232 (finalize_ssa_use_ops): No longer call correct_use_link.
234 2006-04-27 Stuart Hastings <stuart@apple.com>
236 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
237 * config/t-darwin (crt3.o): Use it.
238 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
239 'pmode', use Pmode instead of SImode for SYMBOL_REF.
240 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
241 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
242 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
243 support.
245 2006-04-27 Roger Sayle <roger@eyesopen.com>
247 * expmed.c (store_fixed_bit_field): If we're not optimizing for
248 size, force the intermediate into a new pseudo rather instead of
249 performing both a bitwise AND and a bitwise IOR in memory.
251 2006-04-27 Richard Guenther <rguenther@suse.de>
253 PR rtl-optimization/26685
254 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
255 this one "max-flow-memory-locations".
257 2006-04-27 Richard Guenther <rguenther@suse.de>
259 PR tree-optimization/25148
260 * tree-vrp.c (compare_values): Remove code dealing with
261 comparisons against type min/max value. Honour overflow
262 and negative constants in code dealing with comparisons
263 of plus and minus expressions.
264 (value_inside_range): Use fold_binary with LE_EXPR and
265 GE_EXPR rather than compare_values.
267 2006-04-27 Dirk Mueller <dmueller@suse.de>
269 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
270 prototype for SSE.
272 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
274 * basic-block.h (safe_insert_insn_on_edge): Removed.
275 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
278 2006-04-26 David Edelsohn <edelsohn@gnu.org>
279 Paolo Bonzini <bonzini@gnu.org>
281 PR middle-end/27282
282 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
283 (simplify_and_const_int): Same.
285 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
287 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
289 2006-04-26 Jakub Jelinek <jakub@redhat.com>
291 PR c/26171
292 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
293 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
294 cgraph_global_info_ready.
296 PR middle-end/26913
297 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
299 PR c/25996
300 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
301 either decl or init is error_mark_node.
303 PR middle-end/25989
304 * tree-flow.h (struct omp_region): Add sched_kind.
305 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
306 instead of extracting omp for data.
307 (expand_omp_for): Save extracted sched_kind.
309 2006-04-25 Roger Sayle <roger@eyesopen.com>
311 * expmed.c (store_bit_field): Also check whether the bitsize is
312 valid for the machine's "insv" instruction before moving the
313 target into a pseudo for use with the insv.
314 * config/i386/predicates.md (const8_operand): New predicate.
315 * config/i386/i386.md (extv, extzv, insv): Use the new
316 const8_operand predicate where appropriate.
318 2006-04-25 DJ Delorie <dj@redhat.com>
320 * doc/install.texi (Specific): Clarify that this is not a list of
321 supported hosts or targets.
323 2006-04-25 Richard Sandiford <richard@codesourcery.com>
325 PR rtl-optimization/26725
326 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
327 block's BB_DIRTY flag.
329 2006-04-25 Geoffrey Keating <geoffk@apple.com>
331 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
332 are no branches.
334 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
335 to print an integer.
337 2006-04-25 David Edelsohn <edelsohn@gnu.org>
339 * varasm.c (align_variable): New function.
340 (get_block_for_decl): Apply align_variable to DECL before
341 calculating section information.
342 (assemble_variable): Split out alignment computation.
344 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
346 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
347 machines.
349 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
351 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
352 MODE_PARTIAL_INT mode.
353 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
354 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
355 for CONST_INTs.
356 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
357 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
358 V2PDImode.
359 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
360 New predicates.
361 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
362 New constants.
363 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
364 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
365 MACFLAG_IH): Likewise.
366 (movstricthi_1): Renamed from "*movstricthi".
367 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
368 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
369 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
370 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
371 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
372 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
373 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
374 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
375 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
376 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
377 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
378 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
379 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
380 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
381 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
383 * doc/rtl.texi (ss_ashift): Improve wording.
385 2006-04-24 Geoffrey Keating <geoffk@apple.com>
387 * dwarf2out.c (verify_marks_clear): New.
388 (prune_unused_types): Call verify_marks_clear initially, not
389 prune_unmark_dies.
391 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
393 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
394 * doc/rtl.texi: Document them.
395 * simplify-rtx.c (simplify_unary_operation,
396 simplify_binary_operation_1): Don't abort when we see them.
398 2006-04-24 Mark Mitchell <mark@codesourcery.com>
400 Revert:
401 2006-04-23 Mark Mitchell <mark@codesourcery.com>
402 * configure.ac: Completely disregard languages that are not
403 enabled.
404 * configure: Regenerated.
406 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
407 Richard Guenther <rguenther@suse.de>
409 PR tree-optimization/27236
410 * tree-inline.c (copy_body_r): Make sure to copy
411 TREE_THIS_VOLATILE flag.
413 2006-04-24 Richard Guenther <rguenther@suse.de>
415 PR middle-end/26869
416 * tree-complex.c (update_parameter_components): Don't handle
417 unused parameters which have no default def.
419 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
420 Richard Guenther <rguenther@suse.de>
422 PR tree-optimization/27218
423 * tree-inline.c (expand_call_inline): Strip useless type
424 conversions for the return slot address.
426 2006-04-24 Richard Guenther <rguenther@suse.de>
428 * cfgloop.h (struct loops): Remove unused field array. Reorder
429 state after num.
430 (LOOP_PREFETCH): Remove.
432 2006-04-24 Richard Guenther <rguenther@suse.de>
434 PR tree-optimization/22525
435 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
436 variable, adjust types of generated expressions.
438 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
440 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
441 (tree-vect-patterns.o): Likewise.
442 (jump.o): Likewise.
443 (cselib.o): Likewise.
444 (loop-doloop.o): Likewise.
445 (regclass.o): Likewise.
446 (reload1.o): Likewise.
447 (explow.o): Replace target.h with $(TARGET_H).
448 (ipa-prop.o): Likewise.
449 (ipa-cp.o): Likewise.
450 (ipa-inline.o): Likewise.
451 (reorg.o): Likewise.
452 (reg-stack.o): Likewise.
454 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
456 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
458 2006-04-23 Mark Mitchell <mark@codesourcery.com>
460 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
462 * configure.ac: Completely disregard languages that are not
463 enabled.
464 * configure: Regenerated.
466 PR c++/26534
467 * c-common.h (c_build_bitfield_integer_type): Declare.
468 * c-decl.c (c_build_bitfield_integer_type): Move to ...
469 * c-common.c (c_build_bitfield_integer_type): ... here.
471 2006-04-23 Roger Sayle <roger@eyesopen.com>
473 PR target/21283
474 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
475 a SImode SUBREG of a floating point register after no_new_pseudos.
477 2006-04-23 Roger Sayle <roger@eyesopen.com>
479 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
480 identify potentially eliminable registers to additionally catch
481 VIRTUAL_INCOMING_ARGS_REGNUM.
482 (addsi3): Update the conditions on when to use addsi_small_int.
484 2006-04-23 Roger Sayle <roger@eyesopen.com>
486 PR target/16641
487 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
488 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
489 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
491 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
493 * fold-const.c (range_predecessor): Use operand_equal_p
494 as the predicate for equality.
495 (range_successor): Likewise.
497 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
499 Revert:
500 * config/soft-fp/op-common.h: Fix a typo.
502 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
504 PR libmudflap/26864
505 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
506 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
508 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
510 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
511 Fix comment typos.
512 * doc/tm.texi: Fix a typo.
514 2006-04-21 Geoffrey Keating <geoffk@apple.com>
516 * dwarf2out.c (struct die_struct): Document that die_sib makes
517 a circular linked list.
518 (FOR_EACH_CHILD): New.
519 (reverse_die_lists): Delete.
520 (reverse_all_dies): Delete.
521 (add_dwarf_attr): Correct documentation.
522 (remove_child_with_prev): New.
523 (remove_child_TAG): Update for change to die_struct, use
524 remove_child_with_prev.
525 (add_child_die): Update for change to die_struct.
526 (splice_child_die): Use remove_child_with_prev and add_child_die.
527 (print_die): Use FOR_EACH_CHILD.
528 (die_checksum): Likewise.
529 (assign_symbol_names): Likewise.
530 (output_location_lists): Likewise.
531 (build_abbrev_table): Likewise.
532 (calc_die_sizes): Likewise.
533 (mark_dies): Likewise.
534 (unmark_dies): Likewise.
535 (unmark_all_dies): Likewise.
536 (output_die): Likewise.
537 (prune_unused_types_mark): Likewise.
538 (prune_unused_types_walk): Likewise.
539 (same_die_p): Update for change to die_struct.
540 (break_out_includes): Likewise.
541 (prune_unused_types_prune): Likewise.
542 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
543 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
544 it's already clear.
545 (dwarf2out_finish): Don't call reverse_all_dies.
547 2006-04-21 Eric Christopher <echristo@apple.com>
549 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
550 in comments and function names.
552 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
554 PR c/25875
555 * c-typeck.c (digest_init): Robustify.
557 * c-typeck.c (pop_init_level): Simplify.
559 2006-04-21 Steve Ellcey <sje@cup.hp.com>
561 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
563 2006-04-21 Paul Brook <paul@codesourcery.com>
565 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
566 hardware floating point.
568 2006-04-21 David Edelsohn <edelsohn@gnu.org>
570 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
571 NON_FLOAT_REGS.
573 2006-04-21 Nick Clifton <nickc@redhat.com>
575 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
576 OPT_EXTRA_PARTS.
578 2006-04-21 Alan Modra <amodra@bigpond.net.au>
580 PR target/27230
581 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
582 C++ lang type in traceback table for Objective-C++.
584 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
586 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
588 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
590 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
592 PR mudflap/26789
593 * tree-mudflap.c (mudflap_finish_file): Skip function when there
594 were errors. Remove check for erroneous objects.
596 2006-04-20 Jeff Law <law@redhat.com>
598 PR tree-optimization/26854
599 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
600 checking for zero or one use.
601 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
602 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
603 * tree-ssa-reassoc.c (negate_value): Similarly.
604 (reassociate_bb): Similarly.
606 2006-04-20 Jakub Jelinek <jakub@redhat.com>
608 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
609 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
610 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
612 2006-04-20 Alan Modra <amodra@bigpond.net.au>
614 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
615 fp regs if the last fp arg doesn't fit in regs.
617 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
619 PR target/27182
620 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
621 that the last insn has the REG_INC note.
623 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
624 Nathan Sidwell <nathan@codesourcery.com>
626 PR c/26774
627 * stor-layout.c (update_alignment_for_field): Do not align
628 ERROR_MARK nodes.
629 (place_union_field): Place union field at the start of the union.
630 (place_field): Move ERROR_MARK check later, and use the current
631 allocation position to maintain monotonicity.
633 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
635 * dominance.c: Include timevar.h.
636 (calculate_dominance_info): Use TV_DOMINANCE.
637 * timevar.def (TV_DOMINANCE): New timevar.
638 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
640 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
642 PR rtl-optimization/14261
643 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
644 move would be an INSV insn.
645 (noce_process_if_block): Don't optimize if the destination is a
646 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
648 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
650 * config/s390/s390.md: Add comments with the instructions emitted
651 by an insn pattern if macros are used.
653 2006-04-19 Alan Modra <amodra@bigpond.net.au>
655 PR rtl-optimization/26026
656 * fold-const.c (fold_binary): Optimize div and mod where the divisor
657 is a known power of two shifted left a variable amount.
659 2006-04-18 Geoffrey Keating <geoffk@apple.com>
661 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
662 to hash table twice when the debug_str section has SECTION_MERGE.
664 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
666 * config/soft-fp: New directory. From glibc.
667 * config/soft-fp/t-softfp: New.
668 * config/soft-fp/README: New.
669 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
670 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
671 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
672 (LIBGCC_DEPS): Add $(SFP_MACHINE).
673 * config.gcc: Use rs6000/t-fprules-fpbit or
674 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
675 rs6000/t-fprules.
676 * config/rs6000/sfp-machine.h: New. Based on glibc.
677 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
678 New.
679 * config/rs6000/t-fprules: Remove fp-bit rules.
680 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
681 * config/rs6000/t-linux64: Likewise. Remove duplicates from
682 LIB2FUNCS_EXTRA. Remove fp-bit rules.
683 (softfp_wrap_start, softfp_wrap_end): New.
685 2006-04-18 DJ Delorie <dj@redhat.com>
687 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
689 2006-04-18 Devang Patel <dpatel@apple.com>
691 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
693 2006-04-18 Nick Clifton <nickc@redhat.com>
695 * config/sh/t-symbian: Add rule to build sh-c.o
696 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
697 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
698 (sh_symbian_encode_section_info): Likewise.
700 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
702 * builtins.c (expand_builtin_strcmp): Cover label definition of
703 do_libcall with HAVE_cmpstrnsi.
705 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
707 * function.c (temp_slots_at_level, max_slot_level): Use VEC
708 instead of VARRAY.
709 * function.h (temp_slot_p): New.
710 (function): Change the type of x_used_temp_slots to
711 VEC(temp_slot_p,gc) *.
713 2006-04-18 Nick Clifton <nickc@redhat.com>
715 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
716 flag_strength_reduce.
718 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
720 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
722 PR target/27117
724 Partial revert of revision 112637
725 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
726 Dale Johannesen <dalej@apple.com>
728 PR target/19653
729 * regclass.c (struct reg_pref): Update documentation.
730 (regclass): Set prefclass to NO_REGS if memory is the best option.
731 (record_reg_classes): Cope with a prefclass set to NO_REGS.
733 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
735 PR tree-optimization/26821
736 * tree-ssa-math-opts.c (get_constant_one): New.
737 (insert_reciprocals): Use it.
739 2006-04-17 Geoffrey Keating <geoffk@apple.com>
741 * dwarf2out.c (free_AT): Delete.
742 (remove_AT): Update string ref counts.
743 (remove_child_TAG): Don't call free_die.
744 (free_die): Delete.
745 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
746 or DW_TAG_GNU_EINCL.
747 (prune_unused_types_walk_attribs): Reset string refcounts.
748 (prune_unused_types_update_strings): New.
749 (prune_unused_types_prune): Don't make unnecessary stores. Don't
750 call free_die. Do call prune_unused_types_update_strings.
751 (prune_unused_types): Empty debug_str_hash.
753 2006-04-17 Roger Sayle <roger@eyesopen.com>
755 * expr.c (expand_assignment): Optimize away no-op moves where the
756 source and destination are equal and have no side-effects.
758 2006-04-17 Richard Guenther <rguenther@suse.de>
760 PR target/26826
761 * reload.c (push_reload): Guard calls to get_secondary_mem
762 for memory subregs.
764 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
766 * alias.c (reg_base_value, old_reg_base_value): Change the
767 type to VEC(rtx,gc) *.
768 (REG_BASE_VALUE, find_base_value, record_set,
769 init_alias_analysis): Use VEC instead of VARRAY.
771 * alias.c (alias_sets): Change the type to
772 VEC(alias_set_entry,gc) *.
773 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
774 VEC instead of VARRAY.
775 (last_alias_set): Remove.
777 * cgraph.h (cgraph_edge_p): New.
778 Update the prototype of cgraph_function_versioning.
779 * cgraphunit.c (cgraph_copy_node_for_versioning,
780 cgraph_function_versioning): Use VEC instead of VARRAY.
781 * ipa-cp.c (ipcp_insert_stage): Likewise.
783 2006-04-16 Roger Sayle <roger@eyesopen.com>
785 PR target/26961
786 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
787 "A op B" or "A op C", we may need to convert A to the type of B and C.
789 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
791 * target.h (struct gcc_target): Add mode_rep_extended.
792 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
793 (init_num_sign_bit_copies_in_rep): Initialize it using
794 mode_rep_extended.
795 (truncate_to_mode): Use it.
796 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
797 * targhooks.h (default_mode_rep_extended): Declare it.
798 * targhooks.c (default_mode_rep_extended): Define it.
799 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
800 default_mode_rep_extended.
801 (TARGET_INITIALIZER): Include it.
802 * doc/tm.texi (Misc): Document it.
803 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
804 (mips_truncated_to_mode): New function.
806 2006-04-16 Roger Sayle <roger@eyesopen.com>
808 PR middle-end/25474
809 * expr.c (compress_float_constant): Copy the narrow constant into
810 a new pseudo before extending it to its final width.
812 2006-04-16 Roger Sayle <roger@eyesopen.com>
813 Andrew Pinski <pinskia@gcc.gnu.org>
814 Dale Johannesen <dalej@apple.com>
816 PR target/24076
817 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
818 special case code to implement V8HImode and V16QImode with SSE2.
820 2006-04-15 Roger Sayle <roger@eyesopen.com>
822 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
823 trees are constructed with a suitable tree type.
825 2006-04-15 Roger Sayle <roger@eyesopen.com>
827 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
828 (integer_onep): Likewise.
829 (integer_all_onesp): Likewise.
830 (integer_pow2p): Likewise.
831 (integer_nonzerop): Likewise.
832 (real_zerop): Likewise.
833 (real_onep): Likewise.
834 (real_twop): Likewise.
835 (real_minus_onep): Likewise.
836 (int_size_in_bytes): Likewise.
837 (host_integerp): Likewise.
839 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
841 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
842 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
843 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
845 * tree-ssa-structalias.h (alias_info): Remove num_references.
847 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
849 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
850 (output_bvb patterns): Likewise.
851 * pa.c (output_bb): Use 'bb' insn for long branch case.
852 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
853 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
854 1. Correct length operand for alternatives 1 and 2.
855 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
856 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
858 2006-04-14 Roger Sayle <roger@eyesopen.com>
860 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
861 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
862 were accidentally reverted by r112959.
864 2006-04-15 Jakub Jelinek <jakub@redhat.com>
866 PR middle-end/26823
867 * except.h (eh_region_outermost): New prototype.
868 * except.c (eh_region_outermost): New function.
869 * tree-cfg.c (find_outermost_region_in_block): Use it.
871 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
873 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
874 of VARRAY.
875 * reload1.c (reg_equiv_memory_loc_varray): Rename to
876 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
877 (init_reload, reload): Use VEC instead of VARRAY.
878 * reload.h: Update the prototype for
879 reg_equiv_memory_loc_varray.
881 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
882 Eric Botcazou <ebotcazou@libertysurf.fr>
884 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
885 register save area.
887 2005-04-13 Uros Bizjak <uros@kss-loka.si>
889 PR middle-end/27134
890 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
891 to expand fallback builtin function call.
893 2006-04-14 Alan Modra <amodra@bigpond.net.au>
895 PR middle-end/27095
896 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
897 and emit libcall here in case the builtin fails.
898 (expand_builtin_strcmp): Always emit the libcall here on failure.
900 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
902 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
903 * flow.c (reg_n_info): Change the type to
904 VEC(reg_info_p,heap) *.
905 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
906 instead of VARRAY.
907 * regs.h (reg_info_p): New.
908 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
909 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
910 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
911 instead of VARRAY.
913 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
915 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
916 defaulting to 100.
917 * params.h (MAX_SCHED_READY_INSNS): New macro.
918 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
919 past MAX_SCHED_READY_INSNS during the first scheduling pass.
920 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
921 the ready list for 1 cycle during the first scheduling pass.
922 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
924 2006-04-13 Richard Henderson <rth@redhat.com>
926 PR libgomp/26651
927 * gimple-low.c (lower_omp_directive): Remove dead code.
928 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
929 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
930 * omp-low.c (struct omp_region): Move to tree-flow.h.
931 (root_omp_region): Export.
932 (omp_regions, lookup_omp_region): Remove.
933 (determine_parallel_type): Update for struct omp_region changes.
934 (dump_omp_region): Dump regions with block numbers.
935 (new_omp_region): Take type and block instead of stmt; malloc
936 instead of ggc.
937 (free_omp_region_1, free_omp_regions): New.
938 (expand_parallel_call): Take entry_stmt as argument; update for
939 changes to omp_region.
940 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
941 (remove_exit_barriers): New.
942 (expand_omp_parallel): Update for struct omp_region changes.
943 (expand_omp_synch): Likewise.
944 (expand_omp): Likewise.
945 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
946 (expand_omp_for_static_chunk): Likewise.
947 (expand_omp_for): Likewise.
948 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
949 (expand_omp_sections): Similarly, with GOMP_sections_end.
950 (expand_omp_single): New.
951 (build_omp_regions_1): Update for OMP_CONTINUE.
952 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
953 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
954 OMP_SECTIONS_SECTIONS.
955 (lower_omp_single_simple): Don't emit barrier here.
956 (lower_omp_single_copy): Likewise.
957 (lower_omp_single): Fix bindings, and lower to straightline now.
958 (lower_omp_master, lower_omp_ordered): Likewise.
959 (lower_omp_critical): Likewise.
960 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
961 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
962 omp edges, free it afterward.
963 (make_omp_sections_edges): Remove.
964 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
965 (move_stmt_r): Handle OMP_CONTINUE.
966 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
967 statement pointers to basic blocks. Add type member.
968 (root_omp_region, new_omp_region, free_omp_regions): Declare.
969 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
970 * tree-inline.c (estimate_num_insns_1): Likewise.
971 * tree-pretty-print.c (dump_generic_node): Likewise.
972 * tree-ssa-operands.c (get_expr_operands): Likewise.
973 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
974 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
975 (OMP_CONTINUE): New.
976 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
977 (OMP_SECTIONS_SECTIONS): Remove.
978 (OMP_SECTION_LAST): New.
979 (OMP_RETURN_NOWAIT): New.
981 2006-04-13 Roger Sayle <roger@eyesopen.com>
983 * fold-const.c (native_encode_vector, native_interpret_real):
984 Correct obvious mistakes in the previous check-in.
986 2006-04-13 Roger Sayle <roger@eyesopen.com>
988 * fold-const.c (native_encode_expr): New function to encode
989 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
990 or VECTOR_CST into a specified buffer.
991 (native_encode_int): New function.
992 (native_encode_real): New function.
993 (native_encode_complex): New function.
994 (native_encode_vector): New function.
995 (native_interpret_expr): Inverse of native_encode_expr to convert
996 a target representation into an INTEGER_CST, REAL_CST etc...
997 (native_interpret_int): New function.
998 (native_interpret_real): New function.
999 (native_interpret_complex): New function.
1000 (native_interpret_vector): New function.
1001 (fold_view_convert_expr): New function to constant fold/evaluate
1002 a VIEW_CONVERT_EXPR of a suitable constant expression.
1003 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
1004 Change call of build1 to fold_build1 when constructing a
1005 VIEW_CONVERT_EXPR.
1007 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
1008 Ulrich Weigand <uweigand@de.ibm.com>
1010 PR target/27006
1011 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
1012 to be even.
1014 2006-04-13 Alan Modra <amodra@bigpond.net.au>
1016 PR target/26459
1017 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
1018 optimize to lo_sum for DFmode if !TARGET_FPRS.
1020 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1022 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
1023 delete_alias_info, compute_flow_sensitive_aliasing,
1024 group_aliases): Use VEC instead of VARRAY.
1025 * tree-ssa-structalias.c (update_alias_info): Likewise.
1026 * tree-ssa-structalias.h (alias_info): Change the type of
1027 processed_ptrs to VEC(tree,heap) *.
1029 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
1031 PR target/27060
1032 * config/sh/lib1funcs.h: New file, broken out of:
1033 * config/sh/lib1funcs.asm.
1034 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
1035 New macros.
1036 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
1037 * config/sh/lib1funcs-Os-4-200.asm: New file.
1038 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
1039 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
1040 (EXTRA_MULTILIB_PARTS): Include it.
1041 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
1042 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
1043 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
1044 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
1045 TARGET_SH2.
1047 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
1049 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
1050 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
1051 tpa_compact, root_var_init, type_var_init): Use VEC instead of
1052 VARRAY.
1053 * tree-ssa-live.h: Include vecprim.h.
1054 (tree_partition_associator_d): Change the type of
1055 first_partition to VEC(int,heap) *.
1056 (tpa_first_partition): Use VEC instead of VARRAY.
1058 * Makefile.in (GTFILES): Move functions.h after tree.h.
1059 * function.c (reset_block_changes, record_block_change,
1060 check_block_change, free_block_changes): Use VEC instead of
1061 VARRAY.
1062 * function.h (function): Change the type of
1063 ib_boundaries_block to VEC(tree,gc) *.
1064 * tree-inline.c (copy_cfg_body): Initialize
1065 ib_boundaries_block to NULL instead of (varray_type) 0.
1067 2006-04-12 Roger Sayle <roger@eyesopen.com>
1069 * expr.c (emit_group_store): Correct operand order in call to
1070 subreg_lowpart_offset. Always create paradoxical SUBREGs with
1071 a SUBREG_BYTE of zero.
1073 2006-04-12 Richard Guenther <rguenther@suse.de>
1075 * profile.c (compute_branch_probabilities): Remove code
1076 encapsulated in !ir_type (), which are remanents of the
1077 removed RTL profiling code.
1078 * rtl-profile.c: Remove.
1080 2006-04-12 Alan Modra <amodra@bigpond.net.au>
1082 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
1083 magic NULL_RTX comment.
1084 (function_arg): Store entire fp arg to mem if any part should go
1085 on stack.
1086 (rs6000_arg_partial_bytes): Adjust for above change.
1088 2006-04-11 Roger Sayle <roger@eyesopen.com>
1090 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
1091 if it hasn't been initialized by dwarf2out_init.
1093 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
1095 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
1096 symbolic constants in branch patterns.
1098 2006-04-11 Roger Sayle <roger@eyesopen.com>
1100 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
1102 2006-04-11 Richard Sandiford <richard@codesourcery.com>
1104 PR rtl-optimization/27073
1105 * gcse.c (try_replace_reg): Revert last change. Continue to search
1106 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
1107 on the former.
1109 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1111 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
1112 aggregate types other than record and union types.
1113 (function_arg): Likewise.
1114 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
1115 small arrays.
1116 (function_value): In 64-bit mode, return objects that require it
1117 in FP registers.
1119 2006-04-11 Roger Sayle <roger@eyesopen.com>
1121 * dwarf2out.c (premark_used_types): Remove problematic prototype.
1123 2006-04-11 Jakub Jelinek <jakub@redhat.com>
1125 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
1127 2006-04-03 Jeff Law <law@redhat.com>
1129 PR/27087
1130 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
1131 alias information too.
1133 2006-04-10 Mike Frysinger <vapier@gentoo.org>
1135 * gcc/Makefile.in (gcc-cross): Add $(exeext) to target name.
1137 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
1139 PR/21391
1140 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
1141 (premark_used_types_helper): New.
1142 (premark_used_types): New.
1143 (gen_subprogram_die): Call premark_used_types.
1144 (prune_unused_types_walk): Do not prune perennial dies.
1145 * function.c (used_types_insert): New.
1146 * function.h (struct function): Add used_types_hash field.
1147 (used_types_insert): Add prototype.
1148 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
1149 * c-parser.c (c_parser_cast_expression): Save casted types in used
1150 types hash table.
1152 2006-04-11 Mark Mitchell <mark@codesourcery.com>
1154 PR target/26459
1155 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
1156 rs6000_explicit_options.float_gprs.
1158 2006-04-10 Roger Sayle <roger@eyesopen.com>
1160 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
1161 from ix86_expand_vector_init_low_nonzero. Take an additional
1162 one_var argument indicating which element is non-zero. Support
1163 one_var != 0 for V4SFmode and V4SImode by permuting the result.
1164 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
1165 with one_var instead of ix86_expand_vector_init_low_nonzero.
1167 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
1169 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
1170 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
1171 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
1172 build/genextract.o): Depend on vecprim.h.
1173 * cfglayout.c, df-problems.c, function.c, genextract.c,
1174 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
1175 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
1176 vecprim.h.
1177 * vecprim.h: New.
1179 2006-04-10 Geoffrey Keating <geoffk@apple.com>
1181 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
1182 Declare VECs of this type.
1183 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
1184 (remove_children): Delete.
1185 (add_dwarf_attr): Use VEC routines.
1186 (add_AT_flag): Update for changes to add_dwarf_attr.
1187 (add_AT_int): Likewise.
1188 (add_AT_unsigned): Likewise.
1189 (add_AT_long_long): Likewise.
1190 (add_AT_vec): Likewise.
1191 (add_AT_string): Likewise.
1192 (add_AT_die_ref): Likewise.
1193 (add_AT_fde_ref): Likewise.
1194 (add_AT_loc): Likewise.
1195 (add_AT_loc_list): Likewise.
1196 (add_AT_addr): Likewise.
1197 (add_AT_lbl_id): Likewise.
1198 (add_AT_lineptr): Likewise.
1199 (add_AT_macptr): Likewise.
1200 (add_AT_offset): Likewise.
1201 (add_AT_range_list): Likewise.
1202 (get_AT): Use VEC_iterate.
1203 (remove_AT): Use VEC_ordered_remove.
1204 (free_die): Fold remove_children into here; have it use VEC_iterate.
1205 (print_die): Use VEC_iterate on attrs.
1206 (reverse_die_lists): Don't reverse attr lists.
1207 (die_checksum): Use VEC_iterate on attrs.
1208 (same_die_p): Likewise.
1209 (output_location_lists): Likewise.
1210 (build_abbrev_table): Likewise.
1211 (size_of_die): Likewise.
1212 (unmark_all_dies): Likewise.
1213 (output_abbrev_section): Likewise.
1214 (output_die): Likewise.
1215 (prune_unused_types_walk_attribs): Likewise.
1217 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1219 * doc/install.texi (*-*-solaris2*): Point to the configure page.
1221 2006-04-10 Jakub Jelinek <jakub@redhat.com>
1223 PR debug/27057
1224 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
1226 2006-04-09 Roger Sayle <roger@eyesopen.com>
1228 * expr.c (store_constructor): Don't bother clearing target if
1229 we're about to assign a vector to it using vec_init_optab.
1231 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
1233 * tree-ssa-alias.c (lhs_may_store_to): New function.
1234 (recalculate_used_alone): Handle LHS of calls.
1236 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1238 PR target/27034
1239 PR target/26508
1240 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
1241 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
1242 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
1243 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
1244 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
1245 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
1246 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
1247 stubs. Add ".align 8" directives before all ".dword" directives.
1248 (GTHREAD_USE_WEAK): Revise comment.
1249 (TARGET_ATTRIBUTE_WEAK): Define.
1250 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
1251 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
1252 * stublib.c: New file.
1254 PR target/26743
1255 PR target/11254
1256 PR target/10274
1257 * pa.md (cbranch patterns): Revise arguments used in calls to
1258 output_cbranch, output_bb and output_bvd. Add long branch length
1259 attributes.
1260 (fbranch patterns): Handle long branches.
1261 (jump): Revise length check. Revise arguments for output_lbranch call.
1262 Add long branch length attributes.
1263 (decrement_and_branch_until_zero): Add long branch length attributes.
1264 (output_movb, output_parallel_addb and output_parallel_movb patterns):
1265 Likewise. Revise arguments for output_parallel_addb and
1266 output_parallel_movb calls.
1267 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
1268 output_parallel_movb and output_parallel_addb): Update prototypes.
1269 * pa.c (output_cbranch): Revise arguments. Correct handling of
1270 nullification in long branches.
1271 (output_lbranch): Add new argument to control extraction of delay
1272 instruction.
1273 (output_bb): Handle long branches.
1274 (output_bvb, output_dbra, output_movb, output_parallel_movb,
1275 output_parallel_addb): Likewise.
1277 2006-04-09 Richard Sandiford <richard@codesourcery.com>
1279 PR rtl-optimization/27073
1280 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
1281 not REG_EQUIVs.
1283 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
1285 * tree.h (tree_memory_tag): Add old_used_alone.
1286 (SMT_OLD_USED_ALONE): New macro.
1287 * tree-ssa-alias.c (recalculate_used_alone): Stop
1288 marking things for renaming unnecessarily.
1290 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
1292 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
1293 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
1294 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
1295 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
1296 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
1297 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
1298 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
1299 spelling convensions.
1300 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
1301 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
1302 typos. Follow spelling conventions.
1304 2006-04-07 DJ Delorie <dj@redhat.com>
1306 * config/m32c/m32c.c (m32c_function_arg): Structures are always
1307 passed on the stack.
1308 (m32c_init_cumulative_args): When a function returns a structure,
1309 always pass the pointer to that return area on the stack.
1310 (m32c_function_arg_advance): Don't increment the parameter number
1311 if we're processing the returned structure pointer.
1312 (pushm_info): Reverse order of registers.
1314 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
1316 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
1317 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
1318 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
1319 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
1320 build_int_cst_type.
1321 * tree-chrec.c (chrec_fold_multiply_poly_poly,
1322 chrec_fold_multiply): Same.
1323 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
1324 force_expr_to_var_cost): Same.
1325 * tree-mudflap.c (mf_xform_derefs_1): Same.
1326 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
1328 2006-04-07 David Edelsohn <edelsohn@gnu.org>
1330 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
1331 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
1332 insn.
1334 2006-04-07 Jan Hubicka <jh@suse.cz>
1336 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
1338 2006-04-07 Richard Guenther <rguenther@suse.de>
1340 PR tree-optimization/26135
1341 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
1342 loads for store copy-prop.
1343 (copy_prop_visit_stmt): Likewise.
1345 2006-04-05 Robert Millan <robertmh@gnu.org>
1347 * gcc/config/i386/linux.h: Add a comment to mark macros that are
1348 being overriden in config/k*bsd-gnu.h.
1349 * gcc/config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
1350 DYNAMIC_LINKER.
1351 * gcc/config/knetbsd-gnu.h: Ditto.
1353 2006-04-06 Jan Hubicka <jh@suse.cz>
1355 PR profile/20815
1356 PR profile/26399
1357 * coverage.c (coverage_checksum_string): Reorganize loop to not read
1358 after buffer.
1360 2006-04-06 Mike Stump <mrs@apple.com>
1362 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
1363 for HAVE_nonlocal_goto to be consistent.
1364 (expand_builtin_nonlocal_goto): Likewise.
1365 (expand_builtin_strcmp): Use #ifdef instead of #if
1366 for HAVE_cmpstrnsi to be consistent.
1368 2006-04-05 DJ Delorie <dj@redhat.com>
1370 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
1371 vs m32c.
1373 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
1375 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
1376 got-relative addressing for anything but SImode.
1378 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
1379 even if the calling function doesn't modify them.
1381 2006-04-05 Richard Guenther <rguenther@suse.de>
1383 PR tree-optimization/26919
1384 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
1385 to cgraph_estimate_size_after_inlining.
1387 2006-04-05 Alan Modra <amodra@bigpond.net.au>
1389 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
1391 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
1393 PR tree-optimization/26996
1394 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
1395 VECTOR_TYPE variables.
1397 2006-04-05 Richard Guenther <rguenther@suse.de>
1399 PR tree-optimization/26763
1400 * fold-const.c (fold_comparison): Move folding of
1401 PTR + CST CMP PTR + CST ...
1402 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
1404 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
1406 * doc/install.texi (Prerequisites): Refine some wording on
1407 bootstrapping and ksh.
1408 Move the version numbers of DejaGnu here from the testing section
1409 and fix casing of names.
1410 Fix markup and clarify wording for autogen requirements.
1411 Refer to GCJ instead of just java.
1412 Refer to SVN instead of CVS.
1413 Describe diffutils as useful instead of necessary.
1414 (Downloading the source): Refer to SVN instead of CVS.
1415 Adjust a link to our web site accordingly.
1416 (Configuration): Fix casing of Bison.
1417 (Building): Refer to SVN instead of CVS.
1418 Fix a sentence on the use of Bison and remove duplicate (and
1419 incorrect) version number of Bison requirement.
1420 Remove one redundant list of packages needed for building.
1421 (Specific): Avoid reference to CVS.
1423 2006-04-04 Eric Christopher <echristo@apple.com>
1425 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
1426 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
1427 (rs6000_handle_struct_attribute): New.
1428 (rs6000_ms_bitfield_layout_p): Ditto.
1430 2006-04-04 Geoffrey Keating <geoffk@apple.com>
1432 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
1433 NULL for dso parameter to atexit_common.
1435 2006-04-04 Eric Christopher <echristo@apple.com>
1437 * config/i386/i386.c (machopic_output_stub): Output \t
1438 between instructions and operands.
1440 2006-04-04 David Edelsohn <edelsohn@gnu.org>
1442 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
1443 satisfies_constraint_[IL] to explicit tests on value.
1445 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
1447 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1448 set_nb_iterations_in_loop): Use build_int_cst instead of
1449 build_int_cst_type.
1450 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
1451 build_int_cst instead of convert.
1453 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
1455 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
1456 new value 2 for incoming.
1457 * function.c (expand_function_start): Call struct_value_rtx
1458 with incoming as 2.
1459 * config/sparc/sparc.md: Comment updated_return.
1460 * config/sparc/sparc.opt: Add -mstd-struct-return option.
1461 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
1462 struct return if sparc_std_struct_return and incoming is 2.
1463 (print_operand): Do not adjust return if
1464 sparc_std_struct_return.
1466 2006-04-04 Roger Sayle <roger@eyesopen.com>
1468 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
1469 convert in the middle-end.
1470 * expr.c (store_expr, store_constructor, get_inner_reference,
1471 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
1472 Likewise.
1473 * tree.c (build_range_type): Likewise.
1475 2006-04-04 Tom Tromey <tromey@redhat.com>
1477 * doc/install.texi (Prerequisites): Mention jar.
1479 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
1481 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
1482 subsection.
1484 2006-04-04 Matthias Klose <doko@debian.org>
1486 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
1487 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
1488 strings.
1490 2006-04-03 Geoffrey Keating <geoffk@apple.com>
1492 * doc/extend.texi (Function Attributes): Rewrite visibility
1493 attribute documentation.
1494 * doc/invoke.texi (C++ Dialect Options): Rewrite
1495 -fvisibility-inlines-hidden documentation to describe something
1496 entirely different, although in practise compatible.
1497 (Code Gen Options): Warn about system headers in -fvisibiltity=
1498 documentation.
1500 * doc/extend.texi (Other Builtins): Document that
1501 __builtin_nan is a compile-time constant only when its argument
1502 is valid.
1504 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
1506 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
1507 trying to remove TRUNCATE check if all bits outside the new mode
1508 are identical to the sign bit.
1510 2006-04-03 Jeff Law <law@redhat.com>
1512 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
1513 and operand scanning in some common cases.
1515 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
1516 Dale Johannesen <dalej@apple.com>
1518 PR target/19653
1519 * regclass.c (struct reg_pref): Update documentation.
1520 (regclass): Set prefclass to NO_REGS if memory is the best option.
1521 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1522 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
1523 into account. For non-registers, equate an empty preferred
1524 reload class to a `!' in the constraint; move the if clause to
1525 do so after those that reject the insn.
1526 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
1527 return NO_REGS.
1528 (find_dummy_reload): Likewise.
1529 * doc/tm.texi (Register Classes): Document what it means
1530 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
1531 * config/i386/i386.c (ix86_preferred_reload_class): Force
1532 using SSE registers (and return NO_REGS for floating-point
1533 constants) if math is done with SSE.
1534 (ix86_preferred_output_reload_class): New.
1535 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
1536 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
1537 * config/i386/i386.md: Remove # register preferences.
1539 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1541 PR bootstrap/26992
1542 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
1543 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
1544 the type of nb_iter.
1545 (instantiate_parameters_1): Convert the operands before calling
1546 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
1547 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
1549 2006-04-02 Roger Sayle <roger@eyesopen.com>
1551 * builtins.c (dummy_object): Use build_int_cst instead of convert.
1552 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
1553 instead of convert.
1554 * dojump.c (do_jump): Likewise.
1555 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
1556 * gimplify.c (gimple_boolify, gimplify_init_constructor,
1557 gimplify_boolean_expr): Likewise.
1558 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1559 * varasm.c (array_size_for_constructor): Likewise.
1560 * tree-object-size.c (compute_object_offset): Likewise.
1562 2006-04-02 Roger Sayle <roger@eyesopen.com>
1564 PR middle-end/26977
1565 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
1566 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
1568 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1570 PR tree-optimization/26939
1571 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
1573 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1575 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
1576 at_stmt. Convert the type of operands before calling
1577 build_polynomial_chrec.
1578 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
1579 add_to_evolution_1.
1580 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
1581 (instantiate_parameters_1): Convert the type of operands before calling
1582 build_polynomial_chrec.
1583 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
1584 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
1585 reset_evolution_in_loop): Insert asserts to check the types of the
1586 operands.
1587 (chrec_type): Moved...
1588 (eq_evolutions_p): Use operand_equal_p.
1589 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
1590 the types of the operands.
1591 (chrec_type): ...here.
1592 * tree-data-ref.c (create_data_ref): Convert the operands before
1593 calling chrec_replace_initial_condition.
1594 (same_access_functions, analyze_subscript_affine_affine,
1595 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
1596 (compute_subscript_distance, analyze_ziv_subscript,
1597 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
1598 analyze_miv_subscript): Convert the operands before calling
1599 chrec_fold_minus or chrec_fold_plus.
1601 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
1603 * tree-data-ref.c (compute_all_dependences): Use a pointer to
1604 the dependence_relations vector.
1605 (compute_data_dependences_for_loop): Adjust call to
1606 compute_all_dependences.
1608 2006-04-01 Roger Sayle <roger@eyesopen.com>
1609 Richard Henderson <rth@redhat.com>
1611 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
1612 gimple_boolify on the condition before calling gimplify_expr.
1614 2006-03-31 Bob Wilson <bob.wilson@acm.org>
1616 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
1617 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
1618 the frame size. Update to use the new macros.
1619 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
1620 * config/xtensa/ieee754-df.S: Likewise.
1622 2006-03-31 Richard Henderson <rth@redhat.com>
1624 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
1625 (make_edges): ... here. Control fallthru creation with a local
1626 variable. Do not play with fake edges.
1627 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
1628 (make_goto_expr_edges): Don't play with fake edges. Make for_call
1629 a boolean.
1631 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
1633 * dwarf2.h (DW64_CIE_ID): Define.
1634 * dwarf2out.c (DWARF_CIE_ID): Define.
1635 (output_call_frame_info): Output 0xffffffff before standard 8-byte
1636 length header. Use DWARF_CIE_ID.
1637 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
1638 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
1640 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
1642 * config/sh/linux-atomic.asm: New file.
1643 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
1645 2006-03-31 DJ Delorie <dj@redhat.com>
1647 * config/m32c/cond.md: Set condition flags properly throughout.
1648 * config/m32c/minmax.md: Likewise.
1649 * config/m32c/prologue.md: Likewise.
1650 * config/m32c/bitops.md: Likewise.
1651 * config/m32c/muldiv.md: Likewise.
1652 * config/m32c/mov.md: Likewise.
1653 * config/m32c/addsub.md: Likewise.
1654 * config/m32c/m32c.md: Likewise.
1655 * config/m32c/jump.md: Likewise.
1656 * config/m32c/shift.md: Likewise.
1658 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
1659 conditionally output the pattern for this.
1660 * config/m32c/m32c.c (flags_needed_for_conditional): New.
1661 (m32c_compare_redundant): New.
1662 (m32c_output_compare): New.
1663 * config/m32c/m32c-protos.h (m32c_output_compare): New.
1665 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
1666 dest, not src. Allow other 4-byte modes.
1668 2006-03-30 Denis Chertykov <denisc@overta.ru>
1670 * doc/md.texi: Refer to avr/constraints.md instead of
1671 avr/avr.h.
1673 2006-03-30 Roger Sayle <roger@eyesopen.com>
1675 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
1676 signed vs. unsigned comparison failures on some hosts.
1678 2006-03-31 Alan Modra <amodra@bigpond.net.au>
1680 PR target/26459
1681 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
1682 change to FLOAT_REGS.
1684 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
1685 (rs6000_override_options): Use it.
1686 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
1687 only for -mabi=spe/no-spe and -mabi=altivec.
1689 2006-03-30 Geoffrey Keating <geoffk@apple.com>
1691 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
1692 !Zdynamiclib.
1694 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
1696 * Makefile.in: Rename docdir to gcc_docdir.
1698 2006-03-30 Roger Sayle <roger@eyesopen.com>
1700 PR target/17959
1701 * expr.c (emit_group_store): Optimize group stores into a pseudo
1702 register by using a paradoxical subreg to initialize the destination
1703 if the first or last member of the group specifies a "low part".
1705 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1707 PR target/26734
1708 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
1709 * target.h (struct gcc_target.speculate_insn): Change type of the
1710 second parameter to 'int'.
1711 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
1712 the second operand of the DEPS_LIST.
1713 (copy_DEPS_LIST_list): Update reference to the second operand of the
1714 DEPS_LIST.
1715 * rtl.h (alloc_DEPS_LIST): Update signature.
1716 * sched-int.h (ds_t): Change typedef to 'int'.
1717 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1719 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1721 * haifa-sched.c (try_ready): Change condition to restore
1722 non-speculative pattern of the instruction.
1723 (process_insn_depend_be_in_spec): Code to keep probability of the
1724 speculative dependence non-decreasing.
1726 2006-03-30 Jie Zhang <jie.zhang@analog.com>
1728 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
1729 (single_move_for_movmem): ... this. Also change all uses.
1730 (bfin_expand_strmov): Renamed to...
1731 (bfin_expand_movmem): ... this. Also change all uses.
1732 * config/bfin/bfin.md (movstrsi): Renamed to...
1733 (movstrsi): ...this.
1735 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
1737 PR tree-optimization/26830
1739 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
1740 (copy_prop_visit_stmt): Remove write-only variable ann.
1741 (init_copy_prop): Check variable loop depth here. Do not simulate
1742 memory-tag and virtual operand PHIs except for store copy prop.
1744 2006-03-30 Richard Guenther <rguenther@suse.de>
1746 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
1747 variants with double arguments.
1749 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1751 * genpreds.c (write_tm_constrs_h): Delete variable p.
1752 * genconditions.c (write_header): Add tm-constrs.h to included
1753 headers.
1754 * genpeep.c (main): Add toplev.h to included headers.
1755 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
1756 (build/genpeep.o): Add toplev.h dependency.
1757 * config/rs6000/constraints.md: Add "W" constraint.
1759 2006-03-29 Roger Sayle <roger@eyesopen.com>
1761 * stor-layout.c (mode_for_size_tree): Remove restiction on type
1762 sizes by correctly testing whether the size fits a host integer.
1763 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
1764 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
1765 SImode range for the default sizetype and bitsizetype.
1767 2006-03-29 Roger Sayle <roger@eyesopen.com>
1769 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
1770 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
1771 quickly if the argument is already of the correct type.
1772 Call fold_build1 instead of build1. Tidy up blank lines.
1774 2006-03-29 David Edelsohn <edelsohn@gnu.org>
1776 * genemit.c (main): Add tm-constrs.h to included headers.
1777 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
1778 * genpeep.c (main): Add tm-constrs.h to included headers.
1779 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
1780 (write_tm_constrs_h): this and write complete file.
1781 (write_tm_preds_h): Do not emit satisfies_constraint fns.
1782 (write_insn_preds_c): Add tm-constrs.h to included headers.
1783 (gen_constrs): New variable.
1784 (parse_option): Parse "-c".
1785 (main): Invoke write_tm_constrs_h.
1786 * genrecog.c (write_header): Add tm-constrs.h to included headers.
1787 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
1788 (object_out_file): Add tm-constrs.h dependency.
1789 (insn-emit.o): Same.
1790 (insn-output.o): Same.
1791 (insn-peep.o): Same.
1792 (insn-preds.o): Same.
1793 (insn-recog.o): Same.
1794 (tm-constsr.h): New target.
1795 (s-constrs-h): New target.
1797 * config/rs6000/constraints.md: New file.
1798 * config/rs6000/rs6000.c: Include tm-constrs.h.
1799 (num_insn_constant_wide): Convert to satisfies_constraint.
1800 (rs6000_rtx_costs): Convert to satisfies_constraint.
1801 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
1802 (CONST_OK_FOR_LETTER_P): Delete.
1803 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1804 (EXTRA_CONSTRAINT): Delete.
1805 (EXTRA_MEMORY_CONSTRAINT): Delete.
1806 (EXTRA_ADDRESS_CONSTRAINT): Delete.
1807 * config/rs6000/predicates.md: Convert to satisfies_constraint.
1808 * config/rs6000/rs6000.md: Include constraints.md. Convert to
1809 satisfies_constraint.
1811 * config/i386/i386.c: Include tm-constrs.h.
1813 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1815 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
1816 * tree-data-ref.c (find_data_references_in_loop,
1817 compute_data_dependences_for_loop): Use pointers to VEC.
1818 (analyze_all_data_dependences): Adjust calls.
1819 * tree-data-ref.h (find_data_references_in_loop,
1820 compute_data_dependences_for_loop): Adjust declarations.
1821 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
1822 compute_data_dependences_for_loop.
1824 2006-03-29 Paul Brook <paul@codesourcery.com>
1826 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
1827 (movdf_vfp): Ditto.
1829 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
1831 PR tree-optimization/26859
1832 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
1833 division by zero.
1834 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
1835 for the step after fold_convert.
1837 2006-03-29 Paul Brook <paul@codesourcery.com>
1839 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
1840 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
1842 2006-03-29 Paul Brook <paul@codesourcery.com>
1844 PR middle-end/23623
1845 * targhooks.c (default_narrow_bitfield): New fuction.
1846 * targhooks.h (default_narrow_bitfield): add prototype.
1847 * target.h (gcc_target): Add narrow_volatile_bitfield.
1848 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1849 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
1850 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
1851 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
1853 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
1855 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
1856 tmake_file.
1857 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
1858 (NR_C_MODES): Add TDmode, DDmode and SDmode.
1859 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
1860 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
1861 (s390_function_arg_float): Allow SDmode and DDmode values to be
1862 passed in floating point registers.
1863 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
1864 check with SCALAR_FLOAT_MODE_P.
1865 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
1867 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1869 PR tree-optimization/25985
1870 * tree-ssa-loop-niter.c (number_of_iterations_le,
1871 number_of_iterations_ne): Make comments more precise.
1872 (number_of_iterations_cond): Add only_exit argument. Use the
1873 fact that signed variables do not overflow only when only_exit
1874 is true.
1875 (loop_only_exit_p): New.
1876 (number_of_iterations_exit): Pass result of loop_only_exit_p to
1877 number_of_iterations_cond.
1879 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
1881 PR tree-optimization/26643
1882 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
1883 bit_field_refs.
1885 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
1887 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
1888 (divsi3_i4_int): Likewise.
1890 2006-03-28 Roger Sayle <roger@eyesopen.com>
1892 * expr.c (emit_group_store): Only create a new pseudo reg if the
1893 quantity it needs to hold isn't already a suitable pseudo.
1895 2006-03-28 Jeff Law <law@redhat.com>
1897 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
1898 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
1900 2006-03-28 Roger Sayle <roger@eyesopen.com>
1902 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
1903 the equivalent ~X & Y, and the symmetry related transformations.
1904 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
1905 ~X & Y, and symmetry related transforms.
1907 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1909 Revert my 2006-03-27 patches.
1911 2006-03-28 Roger Sayle <roger@eyesopen.com>
1913 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
1914 ~(T1)X, when T1 and T2 are integer types of the same precision
1915 and (T2)X isn't an extension.
1917 2006-03-28 Jeff Law <law@redhat.com>
1919 PR tree-optimization/26796
1920 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
1921 need EH edge cleanups rather than purging them immediately.
1922 (eliminate_degenerate_phis): Handle queued EH cleanups.
1924 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
1926 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
1927 from parent_var.
1929 2006-03-27 Roger Sayle <roger@eyesopen.com>
1931 PR middle-end/22524
1932 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
1933 cast BIT_NOT_EXPR operand to the correct type.
1935 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
1937 * tree-loop-linear.c: Don't include varray.h.
1938 (gather_interchange_stats, try_interchange_loops,
1939 linear_transform_loops): Use VEC instead of VARRAY.
1940 * lambda-mat.c: Don't include varray.h.
1941 * tree-chrec.c: Same.
1942 * lambda-trans.c: Same.
1943 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
1944 VEC instead of VARRAY.
1945 * tree-vectorizer.h: Idem.
1946 * tree-data-ref.c (dump_data_references,
1947 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
1948 initialize_data_dependence_relation, finalize_ddr_dependent,
1949 compute_all_dependences, find_data_references_in_loop,
1950 compute_data_dependences_for_loop, analyze_all_data_dependences,
1951 free_dependence_relation, free_dependence_relations,
1952 free_data_refs): Idem.
1953 * tree-data-ref.h (data_reference_p, subscript_p): New.
1954 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
1955 VEC instead of VARRAY.
1956 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
1957 (find_data_references_in_loop, compute_data_dependences_for_loop,
1958 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
1959 dump_data_dependence_relations, free_dependence_relations,
1960 free_data_refs): Adjust declaration.
1961 (lambda_transform_legal_p): Move declaration here...
1962 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
1963 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
1964 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
1965 vect_analyze_data_refs): Use VEC instead of VARRAY.
1966 * lambda.h (lambda_transform_legal_p): ...from here.
1967 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
1968 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
1969 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
1970 tree-chrec.o): Don't depend on VARRAY_H.
1972 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1974 * rtl.def (Copyright): Update date.
1975 (DEPS_LIST): Change type of the second operand to 'int'.
1976 * target.h (Copyright): Update date.
1977 (struct gcc_target.speculate_insn): Change type of the second parameter
1978 to 'int'.
1979 * lists.c (Copyright): Update date.
1980 (alloc_DEPS_LIST): Change signature. Update reference to the second
1981 operand of the DEPS_LIST.
1982 (copy_DEPS_LIST_list): Update reference to the second operand of the
1983 DEPS_LIST.
1984 * rtl.h (Copyright): Update date.
1985 (alloc_DEPS_LIST): Update signature.
1986 * sched-int.h (Copyright): Update date.
1987 (ds_t): Change typedef to 'int'.
1988 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
1990 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1992 * haifa-sched.c (Copyright): Update date.
1993 (try_ready): Change condition to restore non-speculative pattern
1994 of the instruction.
1995 (process_insn_depend_be_in_spec): Code to keep probability of the
1996 speculative dependence non-decreasing.
1998 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
2000 * regrename.c (replace_oldest_value_addr): Initialize a variable to
2001 shut up the compiler.
2003 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
2005 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
2006 to use lib prefix for target.
2007 ($(T)libic_invalidate_array_4-200.a): Likewise.
2008 ($(T)libic_invalidate_array_4a.a): Likewise.
2010 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
2011 J"orn Rennecke <joern.rennecke@st.com>
2013 * superh.opt: New file.
2014 * sh.c (boardtype, osruntime): Remove.
2015 * superh.h (SUBTARGET_OPTIONS): Remove.
2016 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
2018 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
2019 arguments with ^ and/or [].
2021 * config.gcc (sh-*-*): Add quoting to account for quirk of
2022 Solaris /bin/sh.
2023 Replace == with = in enable_incomplete_targets test.
2025 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
2026 with MASK_LITTLE_ENDIAN.
2028 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
2029 * config/sh/sh.opt: Added to some comments.
2030 * config/sh/superh.h: Removed some chaff.
2032 * config/sh/sh.opt: Add m4-[1234]00* options.
2033 * config/sh/sh.c (sh_handle_option): Likewise.
2034 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
2035 (ic_invalidate_array_4-100.o): New rule.
2036 ($(T)libic_invalidate_array_4-100.a): Likewise.
2037 (ic_invalidate_array_4-200.o): Likewise.
2038 ($(T)libic_invalidate_array_4-200.a): Likewise.
2039 (ic_invalidate_array_4a.o): Likewise.
2040 ($(T)libic_invalidate_array_4a.a): Likewise.
2041 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
2042 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
2043 m4-200*, and m4a*.
2044 * config/sh/crt1.asm: Merged in profiling code.
2045 * config/sh/superh.h (STARTFILE_SPEC): Override.
2046 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
2047 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
2048 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
2050 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
2051 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
2052 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
2054 * sh.opt (mpretend-cmove): New option.
2055 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
2056 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
2057 (movsicc): Add TARGET_PRETEND_CMOVE code.
2059 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
2061 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
2062 s390_class_max_nregs): New function prototypes.
2063 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
2064 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
2065 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2066 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
2068 2006-03-26 Geoffrey Keating <geoffk@apple.com>
2070 * dwarf2out.c (add_location_or_const_value_attribute): Call
2071 tree_add_const_value_attribute if nothing else works.
2072 (reference_to_unused): New.
2073 (rtl_for_decl_init): Use reference_to_unused to decide whether
2074 to output an initializer.
2076 2006-03-27 Alan Modra <amodra@bigpond.net.au>
2078 PR target/26459
2079 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
2080 peephole removing spe frob_di_df_2.
2082 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
2084 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
2085 (subscript_dependence_tester_1): Declared.
2086 (print_dir_vectors, print_dist_vectors): New.
2087 (debug_data_dependence_relation): New.
2088 (dump_data_dependence_relation): Print more details.
2089 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
2090 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
2091 (save_dist_v, save_dir_v, add_outer_distances,
2092 build_classic_dist_vector_1): New.
2093 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
2094 Don't test for lambda_vector_lexico_pos.
2095 (same_access_functions, add_multivariate_self_dist,
2096 add_other_self_distances, dir_from_dist): New.
2097 (build_classic_dir_vector): Replace implementation almost identical to
2098 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
2099 dir_from_dist.
2100 (subscript_dependence_tester_1): New.
2101 (subscript_dependence_tester): Handle the lexicographically negative
2102 distance vectors by recomputing the dependence relation.
2103 (compute_affine_dependence): Remove parameter loop_nest_depth.
2104 (compute_self_dependence): Don't call compute_subscript_distance.
2105 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
2106 Add a parameter for the loop_nest.
2107 (find_loop_nest_1, find_loop_nest): New.
2108 (compute_data_dependences_for_loop): Compute the loop nest, and give
2109 up if the nest is not well formed.
2110 * tree-data-ref.h (loop_p): New.
2111 (struct data_dependence_relation): Replace size_vect field with
2112 loop_nest, a vec of loops.
2113 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
2114 (DDR_LOOP_NEST): New.
2115 (print_dir_vectors, print_dist_vectors,
2116 debug_data_dependence_relation): Declared.
2117 (index_in_loop_nest): New.
2118 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
2119 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
2120 distance.
2122 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
2124 * simplify-rtx.c (simplify_relational_operation): Call
2125 simplify_relational_operation_1 even if mode is VOIDmode.
2127 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
2129 PR tree-optimization/26804
2130 * tree.h (DECL_CALL_CLOBBERED): New macro.
2131 (tree_decl_common): Add call_clobbered_flag.
2132 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
2133 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
2134 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
2135 (mark_non_addressable): Ditto.
2136 * tree-ssa.c (verify_call_clobbered): New function.
2137 (verify_alias_info): Use it.
2138 * tree-pass.h (pass_reset_cc_flags): New prototype.
2139 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
2140 (reset_cc_flags): New function.
2141 * passes.c (init_optimization_passes): Call reset_cc_flags after
2142 initializing referenced_vars.
2144 2006-03-25 Uros Bizjak <uros@kss-loka.si>
2145 Roger Sayle <roger@eyesopen.com>
2147 PR middle-end/26717
2148 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
2149 to 1.0 for non-real operands. Implement A / A optimization for
2150 complex operands.
2152 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
2154 * config/i386/i386.c (size_cost): Correct the comment for
2155 cost of storing fp registers.
2156 (i386_cost): Likewise.
2157 (i486_cost): Likewise.
2158 (pentium_cost): Likewise.
2159 (pentiumpro_cost): Likewise.
2160 (k6_cost): Likewise.
2161 (athlon_cost): Likewise.
2162 (k8_cost): Likewise.
2163 (pentium4_cost): Likewise.
2164 (nocona_cost): Likewise.
2165 (generic64_cost): Likewise.
2166 (generic32_cost): Likewise.
2168 2006-03-24 Denis Chertykov <denisc@overta.ru>
2170 * config/avr/avr-protos.h (extra_constraint): Delete.
2171 (extra_constraint_Q): New declaration.
2172 * config/avr/constraints.md: New file.
2173 * config/avr/avr.md: Include it.
2174 (REG_X, REG_Y, REG_Z, REG_W): New constants.
2175 (TMP_REGNO, ZERO_REGNO): Likewise.
2176 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
2177 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
2178 (extra_constraint): Delete.
2179 (extra_constraint_Q): Test for memory constraint 'Q'.
2180 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
2181 (REG_CLASS_FROM_LETTER): Delete.
2182 (CONST_OK_FOR_LETTER_P): Delete.
2183 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
2184 (EXTRA_CONSTRAINT): Delete.
2185 (TMP_REGNO): Delete.
2186 (ZERO_REGNO): Delete.
2188 2006-03-24 Jeff Law <law@redhat.com>
2190 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
2191 directly. Call mark_new_vars_to_rename slightly earlier.
2193 2006-03-24 Geoffrey Keating <geoffk@apple.com>
2195 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
2196 (is_cxx): Likewise.
2197 (gen_compile_unit_die): Use new language types for Objective-C and
2198 Objective-C++.
2199 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
2200 DW_LANG_C_plus_plus.
2202 PR 26793
2203 * config/t-darwin (crt3.o): Work around bug 26840.
2204 * config/darwin-crt3.c: Rewrite.
2205 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
2207 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
2209 * doc/invoke.texi: Document -femit-class-debug-always
2210 * common.opt: Add -femit-class-debug-always.
2212 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
2214 * config/s390/s390.c (s390_decompose_address): Allow SImode for
2215 index and base register.
2216 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
2217 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
2218 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
2219 REGNO_OK_FOR_INDEX_P.
2220 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
2221 ADDR_REGNO_P.
2222 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
2223 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
2224 REG_OK_FOR_BASE_P): Definitions removed.
2226 2006-03-24 Jakub Jelinek <jakub@redhat.com>
2228 PR middle-end/26611
2229 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
2230 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
2231 set yet or weren't marked as local yet.
2233 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
2235 * regrename.c (scan_rtx_address): Initialize a variable to shut up
2236 the compiler.
2238 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
2240 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
2241 (rs6000_legitimate_small_data_p): Delete.
2242 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
2243 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
2244 and make static. Add forward declaration. Update uses.
2245 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
2246 of offsettable_memref_p.
2247 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
2248 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
2250 2006-03-24 Jeff Law <law@redhat.com>
2252 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
2253 around bug in immediate-use iterator.
2255 2006-03-24 Alan Modra <amodra@bigpond.net.au>
2257 PR target/26607
2258 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
2259 or __LITTLE_ENDIAN__.
2261 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
2263 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
2264 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
2265 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
2266 * config/sh/sh.opt (mdiv=): Amend description.
2267 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
2268 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
2269 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
2270 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
2271 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
2272 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
2273 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
2274 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
2275 TARGET_DIVIDE_CALL_FP.
2277 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2279 * haifa-sched.c (choose_ready): Fix type of the local variable.
2280 Move local variables. Add comment.
2281 (check_reg_live): Change signature. Make callable from debugger.
2282 * sched-int.h (check_reg_live): Update signature.
2283 * sched-ebb.c (check_reg_live): Update parameters.
2284 * sched-rgn.c (check_reg_live): Ditto.
2285 (region_head_or_leaf_p): Check pointer before dereferencing.
2286 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
2287 before reload on optimization levels below 1.
2289 2006-03-23 Richard Henderson <rth@redhat.com>
2291 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
2292 tls symbols.
2294 PR target/26347
2295 * config/alpha/predicates.md (local_symbolic_operand): Reject
2296 weak symbols.
2298 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
2300 PR tree-opt/26795
2301 * tree-ssa-pre.c (create_value_expr_from): Don't reject
2302 expressions which have overflowed constants.
2304 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2306 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
2308 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
2310 * cfgloopmanip.c (create_loop_notes): Removed.
2311 * final.c (final_scan_insn): Do not handle loop notes.
2312 * jump.c (squeeze_notes): Ditto.
2313 * cfglayout.c (skip_insns_after_block,
2314 duplicate_insn_chain): Ditto.
2315 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2316 create_loop_notes.
2317 * cfgloop.h (create_loop_notes): Declaration removed.
2319 2006-03-23 Richard Sandiford <richard@codesourcery.com>
2321 * varasm.c (output_constant_pool): Restore fnname and fndecl
2322 arguments.
2323 (assemble_start_function): Adjust call accordingly.
2324 (assemble_end_function): Likewise.
2326 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2328 PR mudflap/26789
2329 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
2331 PR mudflap/26790
2332 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
2334 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2336 PR driver/22600
2337 * system.h (ICE_EXIT_CODE): New macro.
2338 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
2339 (diagnostic_action_after_output): Likewise.
2340 * gcc.c (fatal_ice): New function.
2341 (execute): Use it instead of fatal.
2342 (fancy_abort): Likewise.
2343 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
2345 2006-03-22 Jeff Law <law@redhat.com>
2347 * loop-unroll.c (analyze_iv_to_split_insn): Handle
2348 iv_analyze_result returning false.
2350 2006-03-22 Jie Zhang <jie.zhang@analog.com>
2352 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
2354 2006-03-22 Richard Henderson <rth@redhat.com>
2356 PR middle-end/26084
2357 * except.c (duplicate_eh_regions_0): New.
2358 (duplicate_eh_region_1): Duplicate the children of the node as
2359 well as the node itself. Link them up properly.
2360 (duplicate_eh_region_2): Merge into ...
2361 (duplicate_eh_regions): ... here. Take copy_region argument, and
2362 copy only a sub-tree if asked. Simplify copying and fixup.
2363 (eh_region_outer_p): New.
2364 * except.h (duplicate_eh_regions): Update decl.
2365 (eh_region_outer_p): Declare.
2366 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
2367 (lower_omp_master): Likewise.
2368 (lower_omp_ordered): Likewise.
2369 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
2370 (move_stmt_r): Use it to remap labels. Handle recursion vs
2371 remap_decls_p properly.
2372 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
2373 (find_outermost_region_in_block): New.
2374 (new_label_mapper): New.
2375 (move_sese_region_to_fn): Copy eh information to the new function
2376 properly.
2377 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
2378 argument.
2379 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
2380 number.
2382 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2384 * doc/md.texi (-mshared): Mention that -mshared code can be linked
2385 into shared libraries.
2387 2006-03-22 Richard Sandiford <richard@codesourcery.com>
2389 * doc/md.texi: Refer to i386/constraints.md instead of
2390 i386/predicates.md.
2391 * config/i386/constraints.md: New file, extracted from...
2392 * config/i386/predicates.md: ...here.
2393 * config/i386/i386.md: Include constraints.md.
2395 2006-03-21 Jason Merrill <jason@redhat.com>
2397 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
2399 PR middle-end/20297
2400 * expr.c (init_block_move_fn): Force default visibility.
2401 (init_block_clear_fn): Likewise.
2402 * builtins.c (expand_builtin_fork_or_exec): Likewise.
2403 * targhooks.c (default_external_stack_protect_fail): Likewise.
2405 2006-03-21 Richard Sandiford <richard@codesourcery.com>
2407 * config/mips/predicates.md (const_call_insn_operand): Allow direct
2408 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
2409 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
2410 Use TARGET_OLDABI instead of !TARGET_NEWABI.
2411 (loadgp): Use mips_current_loadgp_style.
2412 (loadgp_noshared): New pattern.
2413 (sibcall_internal): Use MIPS_CALL.
2414 (sibcall_value_internal): Likewise.
2415 (sibcall_value_multiple_internal): Likewise.
2416 (call_internal): Likewise.
2417 (call_value_internal): Likewise.
2418 (call_value_multiple_internal): Likewise.
2419 (call_split): Use MIPS_CALL and add an 'S' constraint.
2420 (call_value_split): Likewise.
2421 (call_value_multiple_split): Likewise.
2422 * config/mips/mips.opt (-mabicalls): Tweak docstring.
2423 (-mshared): New option.
2424 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
2425 (mips_current_loadgp_style): Declare.
2426 * config/mips/mips.c (mips_classify_symbol): Avoid using
2427 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
2428 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
2429 TARGET_ABSOLUTE_ABICALLS.
2430 (override_options): Adjust comments. Improve the warning that is
2431 issued when -mabicalls and -G are used together.
2432 (mips_file_start): Remove comment.
2433 (mips_current_loadgp_style): New function.
2434 (mips_gnu_local_gp): New variable.
2435 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
2436 LOADGP_ABSOLUTE.
2437 (mips_output_function_prologue): Use mips_current_laodgp_style.
2438 (mips_expand_prologue): Call mips_emit_loadgp before emitting
2439 the cprestore instruction.
2440 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
2441 live for TARGET_ABSOLUTE_ABICALLS.
2442 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
2443 (ASM_SPEC): Pass down -mshared and -mno-shared.
2444 (MIPS_CALL): New macro.
2445 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
2446 definition.
2447 * doc/invoke.texi (-mabicalls): Update documentation.
2448 (-mshared): Document.
2450 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2452 * config/ia64/unwind-hpux.c: New file.
2453 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
2455 2006-03-21 Steve Ellcey <sje@cup.hp.com>
2457 PR libgomp/26384
2458 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
2460 2006-03-21 Jeff Law <law@redhat.com>
2462 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
2463 type conversions of a VR_VARYING source to a wider type.
2465 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
2467 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
2468 tm_file on Solaris 10 and later.
2469 (sparc64-*-solaris2*): Likewise.
2470 (sparc-*-solaris2*): Likewise.
2471 * config/sol26.h: Rename to config/sol2-6.h.
2472 * config/sol2-10.h: New file.
2474 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
2476 PR tree-opt/26781
2477 * tree-ssa-pre.c (create_component_ref_by_pieces):
2478 Handle STRING_CST.
2480 2006-03-21 Jakub Jelinek <jakub@redhat.com>
2482 PR c++/26690
2483 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
2484 return it immediately.
2486 2006-03-21 Michael Matz <matz@suse.de>
2488 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
2489 New members.
2490 (remove_arc, add_arc): Update num_out_arcs member.
2491 (set_out_arc_insns_equiv_num): Returns nothing instead of number
2492 of out arcs.
2493 (cache_presence): New function.
2494 (compare_states_for_equiv): New function.
2495 (state_is_differed): Don't take number of outargs, adjust callers.
2496 Use new invariant for speeding up.
2497 (init_equiv_class): Create initial classes based on sorted
2498 input.
2499 (partition_equiv_class): Don't track out_arcs_num.
2500 (evaluate_equiv_classes): Call cache_presence on all states and
2501 sort them.
2503 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
2505 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
2506 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
2507 (bfin_valid_reg_p): Test for pseudos explicitly and use only
2508 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
2509 callers changed.
2510 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
2511 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
2512 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
2513 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
2514 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
2515 macros.
2516 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
2517 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
2518 (REGNO_REG_CLASS): ARGP is in PREGS.
2519 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
2520 IREGS.
2521 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
2522 to deal with those addresses.
2523 * addresses.h: New file.
2524 * caller-save.c: Include "addresses.h".
2525 (init_caller_save): Use new base_reg_class function.
2526 * rtl-factoring.c: Include "addresses.h".
2527 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
2528 * recog.c: Include "addresses.h".
2529 (preprocess_constraints): Use new base_reg_class function.
2530 * regrename.c: Include "addresses.h".
2531 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
2532 functions. Keep track of a new var INDEX_CODE to compute valid
2533 classes.
2534 (replace_oldest_value_addr): Likewise.
2535 (replace_oldest_value_mem): Use base_reg_class.
2536 * reload.c: Include "addresses.h".
2537 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
2538 (find_reloads): Use new base_reg_class function.
2539 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
2540 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
2541 all callers and prototype changed.
2542 * reload1.c: Include "addresses.h".
2543 (maybe_fix_stack_asms): Use base_reg_class.
2544 * regclass.c: Include "addresses.h".
2545 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
2546 (init_reg_autoinc): Use new base_reg_class function.
2547 (record_reg_classes): Likewise.
2548 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
2549 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
2550 Use new args to compute necessary class.
2552 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
2553 regrename.o, rtl-factoring.o): Update dependencies.
2554 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
2555 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2556 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
2557 REG_OK_FOR_INDEX_P): Delete documentation.
2559 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
2561 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
2562 from V7 to V9 for Solaris 7 and above.
2564 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
2566 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
2567 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
2568 argument pointers may not alias any other storage.
2569 * common.opt: Define option -fargument-noalias-anything.
2570 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
2571 alias semantics is specified by flag_argument_noalias > 2.
2573 2006-03-20 Jeff Law <law@redhat.com>
2575 * tree-pass.h (pass_phi_only_copy_prop): Delete.
2576 (pass_phi_only_cprop): Declare.
2577 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
2578 with phi_only_cprop
2579 * tree-ssa-dom.c (degenerate_phi_result): New function.
2580 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
2581 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
2582 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
2583 (eliminate_degenerate_phis): Likewise.
2584 (pass_phi_only_cprop): New pass descriptor.
2585 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
2586 support code. Callers updated.
2587 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
2588 (store_copy_prop): Likewise.
2589 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
2591 2006-03-20 Jason Merrill <jason@redhat.com>
2593 PR c++/21764
2594 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
2595 (push_visibility, pop_visibility): Likewise.
2596 * c-pragma.h: Declare them.
2598 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
2600 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
2602 * config/sh/sh.c (find_regmode_weight): Change the type of the first
2603 parameter and use get_ebb_head_tail.
2604 (sh_md_init_global): Adjust uses of find_regmode_weight.
2606 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
2608 * function.h (struct function) <x_tail_recursion_reentry>:
2609 Rename to x_stack_check_probe_note.
2610 (tail_recursion_reentry): Rename to stack_check_probe_note.
2611 * function.c: Replace tail_recursion_reentry with
2612 stack_check_probe_note everywhere.
2613 (expand_function_start): Only emit a note for
2614 stack_check_probe_note with -fstack-protect.
2615 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
2617 * emit-rtl.c (remove_unnecessary_notes): Remove.
2618 (pass_remove_unnecessary_notes): Remove.
2619 * rtl.h (remove_unnecessary_notes): Remove prototype.
2620 * final.c (final_start_function): Don't call remove_unnecessary_notes.
2621 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
2622 * passes.c (pass_remove_unnecessary_notes): Don't run it.
2624 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
2626 PR tree-opt/26629
2627 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
2628 (valid_in_set): Handle ARRAY_REF.
2629 Change "if min_variant or VH" to asserts.
2630 (create_component_ref_by_pieces): Handle ARRAY_REF.
2631 (create_expression_by_pieces): Likewise.
2632 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
2634 2006-03-20 David Edelsohn <edelsohn@gnu.org>
2636 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
2637 is operand of switch, not str[0].
2639 2006-03-20 Alan Modra <amodra@bigpond.net.au>
2641 * config/rs6000/rs6000.c (rs6000_handle_option): Use
2642 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
2644 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2646 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
2647 end of insn_extra_address_constraint declaration.
2649 2006-03-19 David Edelsohn <edelsohn@gnu.org>
2651 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
2652 (no-sum-in-toc): Same.
2653 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
2654 variables.
2655 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
2656 NO_FP_IN_TOC for -fPIC instead of mask.
2658 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
2659 (BOOT_LDFLAGS): Delete.
2660 (LDFLAGS): Delete.
2661 * config/rs6000/t-aix52: Same.
2663 * config/rs6000/rs6000.md (store_multiple_power): Delete.
2664 (stmsi[345678]_power): New.
2666 2006-03-17 Steve Ellcey <sje@cup.hp.com>
2668 * config/ia64/ia64.opt: Add empty line to end of file.
2670 2006-03-17 Richard Guenther <rguenther@suse.de>
2672 PR middle-end/26721
2673 * builtins.c (get_pointer_alignment): For component style references
2674 adjust alignment to the component type alignment. Make sure
2675 to adjust alignment for component access of constants.
2677 2006-03-17 David Edelsohn <edelsohn@gnu.org>
2679 * config/rs6000/rs6000.md (strlensi): Emit barrier after
2680 unconditional jump.
2682 2006-03-17 Paul Brook <paul@codesourcery.com>
2684 * doc/install.texi: Docuemnt --with-mode.
2685 * config.gcc: Add --with-mode for arm*-*-*.
2686 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
2688 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
2690 * sh.c (max_labelno_before_reorg): New variable.
2691 (sh_reorg): Initialize it.
2692 (find_barrier): Check max_labelno_before_reorg before using
2693 label_to_alignment. Take length of explicit alignment insns
2694 into account. When seeing a UNSPECV_CONST_END, return it.
2696 * sh.c (fixup_mova): Set mode of affected label to QImode.
2697 (untangle_mova): New function.
2698 (find_barrier): Use it. Check mode of label before decrementing
2699 num_mova.
2700 (sh_reorg): Likewise.
2701 Set mode of all insns back to VOIDmode.
2703 * sh.c (MOVA_LABELREF): New macro.
2704 (mova_p, fixup_mova, sh_reorg): Use it.
2705 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
2706 ADDR_DIFF_VEC matches mova.
2708 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
2710 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
2711 with ATTRIBUTE_UNUSED.
2713 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2715 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2716 pointer, instead of assuming it is possible to derive the
2717 correct args size from a call insn.
2719 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
2721 * rtl.h (CONST_INT_P): Define.
2722 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
2723 instead of GET_CODE(x) == CONST_INT.
2724 (vax_rtx_costs): Likewise.
2725 (vax_output_int_move): Likewise.
2726 (vax_output_int_add): Likewise.
2727 (legitimate_constant_address_p): Likewise.
2728 (index_term_p): Likewise.
2729 * config/vax/vax.h (PRINT_OPERAND): Likewise.
2730 * config/vax/vax.md (and<mode>3): Likewise.
2731 (ashrsi3): Likewise.
2732 (extv): Likewise.
2733 (movstricthi): Likewise.
2734 (movstrictqi): Likewise.
2735 (rotrsi3): Likewise.
2736 (five unnamed insns): Likewise.
2738 2006-03-16 Geoffrey Keating <geoffk@apple.com>
2740 * doc/tm.texi (SDB and DWARF): Add extra parameter to
2741 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
2742 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
2743 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
2744 Pass to ASM_OUTPUT_DWARF_OFFSET.
2745 * dwarf2out.c (debug_frame_section): New.
2746 (output_call_frame_info): Use debug_frame_section. Pass it to
2747 dw2_asm_output_offset.
2748 (output_die): Pass appropriate section to dw2_asm_output_offset.
2749 (output_compilation_unit_header): Likewise.
2750 (output_pubnames): Likewise.
2751 (output_aranges): Likewise.
2752 (enum dw_val_class): Break dw_val_class_lbl_offset into
2753 dw_val_class_lineptr and dw_val_class_macptr.
2754 (add_AT_lbl_offset): Delete.
2755 (add_AT_lineptr): New.
2756 (add_AT_macptr): New.
2757 (AT_lbl): Expect a lineptr or macptr.
2758 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
2759 (attr_checksum): Likewise.
2760 (same_dw_val_p): Likewise.
2761 (size_of_die): Likewise.
2762 (value_format): Likewise.
2763 (output_die): Likewise.
2764 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
2765 add_AT_lbl_offset.
2766 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2767 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
2768 * config/darwin-protos.h (darwin_file_start): New.
2769 (darwin_asm_output_dwarf_offset): New.
2770 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
2771 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
2772 darwin_file_start.
2773 * config/darwin.c (darwin_emit_unwind_label): Don't output label
2774 if not EH section; simplify.
2775 (darwin_file_start): New.
2776 (darwin_asm_output_dwarf_offset): New.
2777 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
2778 mark as 'debug'.
2779 (DEBUG_INFO_SECTION): Likewise.
2780 (DEBUG_ABBREV_SECTION): Likewise.
2781 (DEBUG_ARANGES_SECTION): Likewise.
2782 (DEBUG_MACINFO_SECTION): Likewise.
2783 (DEBUG_LINE_SECTION): Likewise.
2784 (DEBUG_LOC_SECTION): Likewise.
2785 (DEBUG_PUBNAMES_SECTION): Likewise.
2786 (DEBUG_STR_SECTION): Likewise.
2787 (DEBUG_RANGES_SECTION): Likewise.
2788 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
2789 (ASM_OUTPUT_DWARF_OFFSET): New.
2791 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
2793 * config.gcc (tm_defines): Always add to previous value rather
2794 than replacing it.
2796 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2798 * config/mips/predicates.md (splittable_const_int_operand): New,
2799 split from move_operand.
2800 (splittable_symbolic_operand): New.
2801 (move_operand): Add commentary. Use splittable_const_int_operand.
2802 Inline mips_atomic_symbolic_constant_p.
2803 * config/mips/mips.md: Add combine splitters for handling moves
2804 of splittable_const_int_operands and splittable_symbolic_operands.
2805 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
2806 (mips_split_symbol): Declare.
2807 (mips_move_integer): Declare.
2808 * config/mips/mips.c (mips_split_p): Make global.
2809 (TARGET_MIN_ANCHOR_OFFSET): Override default.
2810 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
2811 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
2812 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
2813 (mips_offset_within_object_p): Handle block symbols.
2814 (mips_atomic_symbolic_constant_p): Delete.
2815 (mips_cannot_force_const_mem): Return false for constants that
2816 mips_legitimize_move can handle.
2817 (mips_use_blocks_for_constant_p): New function.
2818 (mips_split_symbol): Make global.
2819 (mips_move_integer): Likewise. Add a temporary register argument.
2820 (mips_legitimize_const_move): Use splittable_const_int_operand and
2821 splittable_symbolic_operand.
2822 (mips_use_anchors_for_symbol_p): New function.
2823 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
2824 (mips_split_p): Declare.
2826 2006-03-16 Richard Sandiford <richard@codesourcery.com>
2828 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
2829 (mips*-*-linux*): Likewise.
2831 2006-03-16 Roger Sayle <roger@eyesopen.com>
2832 Daniel Speyer <dspeyer@wam.umd.edu>
2834 PR middle-end/18259
2835 * tree-dump.c (dump_real): New function.
2836 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
2837 * Makefile.in (REAL_H): New macro for dependencies on real.h.
2838 (tree-dump.o): Add $(REAL_H) to the dependencies.
2840 2006-03-16 Roger Sayle <roger@eyesopen.com>
2842 PR middle-end/21781
2843 * real.c (real_from_string): If the mantissa is zero, don't bother
2844 parsing the exponent as the result should always be zero.
2846 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
2848 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
2850 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2852 * config/ia64/ia64.c (stops_p): Added explicit initialization.
2853 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
2854 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
2855 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
2856 ia64_sched_finish_global): New static functions to implement
2857 hooks from gcc_target.sched.
2858 (spec_check_no, max_uid, pending_data_specs): New static variables.
2859 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
2860 ia64_spec_check_src_p): New static functions.
2861 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
2862 (TARGET_SCHED_ADJUST_COST): Removed.
2863 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
2864 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
2865 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
2866 TARGET_SCHED_GEN_CHECK,
2867 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2868 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
2869 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
2870 Fixed to handle speculation checks.
2871 (rtx_needs_barrier): Fixed to handle speculative loads and
2872 their checks.
2873 (ia64_variable_issue): Added code to count speculative loads and their
2874 checks.
2875 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
2876 speculative loads.
2877 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
2878 New enumerations.
2879 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
2880 New constants.
2881 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
2882 (ia64_reorg): Reset stops_p to NULL after it is freed.
2883 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
2884 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
2885 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
2886 chk_a.
2887 (data_speculative, control_speculative, check_load): New attributes.
2888 (mov<mode>_advanced, mov<mode>_speculative,
2889 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
2890 zero_extend<mode>di2_speculative,
2891 zero_extend<mode>di2_speculative_advanced): New patterns for
2892 data and control speculative loads.
2893 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
2894 check loads.
2895 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
2896 New pattern for data and control speculation checks.
2897 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
2898 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
2899 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
2900 Auxiliary definitions for the patterns.
2901 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
2902 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
2903 constraints.
2904 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
2905 for speculation.
2906 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
2907 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2908 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
2909 New resource constraints.
2910 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
2911 for speculation.
2912 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
2913 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
2914 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2915 msched-in-control-spec, msched-ldc, msched-control-ldc,
2916 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2917 msched-prefer-non-control-spec-insns,
2918 msched-count-spec-in-critical-path): New flags to tune speculative
2919 scheduling.
2920 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
2921 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
2922 msched-in-control-spec, msched-ldc, msched-control-ldc,
2923 msched-spec-verbose, msched-prefer-non-data-spec-insns,
2924 msched-prefer-non-control-spec-insns,
2925 msched-count-spec-in-critical-path): Document new flags.
2927 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2929 * target.h (struct spec_info_def): New opaque declaration.
2930 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
2931 speculate_insn, needs_block_p, gen_check,
2932 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
2933 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
2934 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
2935 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
2936 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
2937 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
2938 gcc_target.sched.
2939 (TARGET_SCHED): Use new macros.
2940 * rtl.h (copy_DEPS_LIST_list): New prototype.
2941 * sched-int.h (struct sched_info): Change signature of new_ready field,
2942 adjust all initializations. New fields: add_remove_insn,
2943 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
2944 region_head_or_leaf_p.
2945 (struct spec_info_def): New structure declaration.
2946 (spec_info_t): New typedef.
2947 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
2948 recovery_block, orig_pat.
2949 (glat_start, glat_end): New variables declaraions.
2950 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
2951 New access macros.
2952 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
2953 DETACH_LIFE_INFO, USE_GLAT.
2954 (enum SPEC_SCHED_FLAGS): New enumeration.
2955 (NOTE_NOTE_BB_P): New macro.
2956 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
2957 attach_life_info, debug_spec_status, check_reg_live): New functions.
2958 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
2959 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
2960 sched-ebb.c
2961 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
2962 * ddg.c (get_block_head_tail): Adjust all uses.
2963 * modulo-sched.c (get_block_head_tail): Adjust all uses.
2964 (sms_sched_info): Initialize new fields.
2965 (contributes_to_priority): Removed.
2966 * haifa-sched.c (params.h): New include.
2967 (get_block_head_tail): Adjust all uses.
2968 (ISSUE_POINTS): New macro.
2969 (glat_start, glat_end): New global variables.
2970 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
2971 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
2972 old_last_basic_block, before_recovery, current_sched_info_var,
2973 rgn_n_insns, luid): New static variables.
2974 (insn_cost1): New function. Move logic from insn_cost to here.
2975 (find_insn_reg_weight1): New function. Move logic from
2976 find_insn_reg_weight to here.
2977 (reemit_notes, move_insn, max_issue): Change signature.
2978 (move_insn1): Removed.
2979 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
2980 extend_bb): New static functions to support extension of scheduler's
2981 data structures.
2982 (generate_recovery_code, process_insn_depend_be_in_spec,
2983 begin_speculative_block, add_to_speculative_block,
2984 init_before_recovery, create_recovery_block, create_check_block_twin,
2985 fix_recovery_deps): New static functions to support
2986 generation of recovery code.
2987 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
2988 restore_bb_notes, move_block_after_check, move_succs): New static
2989 functions to support ebb scheduling.
2990 (init_glat, init_glat1, attach_life_info1, free_glat): New static
2991 functions to support handling of register live information.
2992 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
2993 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
2994 add_jump_dependencies): New static functions.
2995 (check_cfg, has_edge_p, check_sched_flags): New static functions for
2996 consistancy checking.
2997 (debug_spec_status): New function to call from debugger.
2998 (priority): Added code to handle speculation checks.
2999 (rank_for_schedule): Added code to distinguish speculative instructions.
3000 (schedule_insn): Added code to handle speculation checks.
3001 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
3002 Fixed to handle ebbs.
3003 (move_insn): Added code to handle ebb scheduling.
3004 (max_issue): Added code to use ISSUE_POINTS of instructions.
3005 (choose_ready): Added code to choose between speculative and
3006 non-speculative instructions.
3007 (schedule_block): Added code to handle ebb scheduling and scheduling of
3008 speculative instructions.
3009 (sched_init): Initialize new variables.
3010 (sched_finish): Free new variables. Print statistics.
3011 (try_ready): Added code to handle speculative instructions.
3012 * lists.c (copy_DEPS_LIST_list): New function.
3013 * sched-deps.c (extend_dependency_caches): New function. Move logic
3014 from create_dependency_caches to here.
3015 (get_dep_weak, ds_merge): Make global.
3016 * genattr.c (main): Code to output prototype for
3017 dfa_clear_single_insn_cache.
3018 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
3019 (output_dfa_clean_insn_cache_func): Code to output
3020 dfa_clear_single_insn_cache function.
3021 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
3022 n_insns.
3023 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
3024 Removed.
3025 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
3026 New static variables.
3027 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
3028 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
3029 struct sched_info.
3030 (ebb_sched_info): Initialize new fields.
3031 (get_block_head_tail): Adjust all uses.
3032 (compute_jump_reg_dependencies): Fixed to use glat_start.
3033 (schedule_ebb): Code to remove unreachable last block.
3034 (schedule_ebbs): Added code to update register live information.
3035 * sched-rgn.c (region_sched_info): Initialize new fields.
3036 (get_block_head_tail): Adjust all uses.
3037 (last_was_jump): Removed. Adjust users.
3038 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
3039 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
3040 Implement new hooks.
3041 (check_dead_notes1): New static function.
3042 (struct region): New fields: dont_calc_deps, has_real_ebb.
3043 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
3044 (BB_TO_BLOCK): Fixed to handle EBBs.
3045 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
3046 (ebb_head): New static variable.
3047 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
3048 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
3049 new fields.
3050 (compute_dom_prob_ps): New assertion.
3051 (check_live_1, update_live_1): Fixed to work with glat_start instead of
3052 global_live_at_start.
3053 (init_ready_list): New assertions.
3054 (can_schedule_ready_p): Split update code to begin_schedule_ready.
3055 (new_ready): Add support for BEGIN_CONTROL speculation.
3056 (schedule_insns): Fixed code that updates register live information
3057 to handle EBBs.
3058 (schedule_region): Fixed to handle EBBs.
3059 (init_regions): Use extend_regions and check_dead_notes1.
3060 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
3061 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
3062 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
3063 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
3064 TARGET_SCHED_GEN_CHECK,
3065 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
3066 TARGET_SCHED_SET_SCHED_FLAGS): Document.
3067 * doc/invoke.texi (max-sched-insn-conflict-delay,
3068 sched-spec-prob-cutoff): Document.
3070 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3072 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
3073 inter_tick, queue_index.
3074 (struct sched_info): Change signature of init_ready_list field.
3075 Adjust all initializations.
3076 (RESOLVED_DEPS): New access macro.
3077 (ready_add): Remove prototype.
3078 (try_ready): Add prototype.
3079 * sched-rgn.c (init_ready_list): Use try_ready.
3080 (schedule_region): Initialize
3081 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
3082 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
3083 (init_ready_list): Use try_ready.
3084 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
3085 * lists.c (remove_list_elem): Remove `static'.
3086 (remove_free_INSN_LIST_elem): New function.
3087 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
3088 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
3089 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
3090 New constants.
3091 (readyp): New variable.
3092 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
3093 change_queue_index, resolve_dep): New static functions.
3094 (try_ready): New function. Adjust callers in sched-rgn.c and
3095 sched-ebb.c to use it instead of ready_add.
3096 (clock_var): Move at the begining of file.
3097 (rank_for_schedule): Fix typo.
3098 (queue_insn): Add assertion. Handle QUEUE_INDEX.
3099 (ready_lastpos): Enforce assertion.
3100 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
3101 update all callers.
3102 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
3103 (schedule_insn): Rewrite to use try_ready and resolve_dep.
3104 (queue_to_ready): Use free_INSN_LIST_list.
3105 (early_queue_to_ready): Fix typo.
3106 (schedule_block): Init readyp. Move init_ready_list call after the
3107 initialization of clock_var. Fix error in rejecting insn by
3108 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
3109 that previously corrected INSN_TICKs. Add code for handling
3110 QUEUE_INDEX.
3111 (set_priorities): Fix typo.
3112 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
3113 Clarify comment and code that keeps current_sched_info->next_tail
3114 non-null.
3116 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3118 * sched-rgn.c (extend_rgns): New static function.
3119 (find_rgns): Use it.
3120 (gather_region_statistics, print_region_statistics): New static
3121 functions.
3122 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
3123 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3125 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3126 Andrey Belevantsev <abel@ispras.ru>
3128 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
3129 * lists.c (unused_deps_list): New variable.
3130 (free_list): Add assertions to verify the proper distinguishing
3131 between INSN_LISTs and DEPS_LISTs.
3132 (find_list_elem, remove_list_elem, remove_list_node): New static
3133 functions.
3134 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
3135 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
3136 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
3137 (alloc_INSN_LIST): Assert that the list we're working on is indeed
3138 an INSN_LIST.
3139 (free_INSN_LIST_node): Likewise.
3140 * modulo-sched.c (current_sched_info): Initialize flags field.
3141 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
3142 * rtl.def (DEPS_LIST): Define.
3143 * rtl.h: Declare new functions from lists.c.
3144 * sched-deps.c (spec_dependency_cache): New static variable.
3145 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
3146 (add_dependence): Change return type to void. Move the logic to ...
3147 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
3148 (delete_all_dependences): Add comment about forward_dependency_cache.
3149 Handle spec_dependency_cache. Handle DEPS_LISTs.
3150 (fixup_sched_groups): Clarify the change of priority of output
3151 and anti dependencies.
3152 (sched_analyze_2): Adjust add_dependence calls to create data
3153 speculative dependence.
3154 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
3155 Adjust all callers. Handle DEPS_LISTS.
3156 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
3157 presence of speculation.
3158 (init_dependency_caches, free_dependency_caches):
3159 Handle spec_dependency_cache.
3160 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
3161 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
3162 New static functions.
3163 (add_or_update_back_dep, add_or_update_back_forw_dep,
3164 add_back_forw_dep, delete_back_forw_dep): New functions.
3165 * sched-int.h (ds_t, dw_t): New typedefs.
3166 (struct sched_info): Add new field flags.
3167 (struct haifa_insn_data): Add new bitfield has_internal_dep.
3168 Prototype new sched-deps.c functions.
3169 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
3170 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
3171 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
3172 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
3173 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
3174 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
3175 New constants.
3176 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
3177 New enums.
3178 * sched-rgn.c (current_sched_info): Initialize flags field.
3179 (schedule_insns): Initialize current_sched_info before the sched_init
3180 call.
3181 * sched-ebb.c (current_sched_info): Initialize flags field.
3182 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
3183 Call add_or_update_back_dep instead of add_dependence.
3184 Create control speculative dependencies.
3185 (schedule_insns): Initialize current_sched_info before the sched_init
3186 call.
3188 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
3190 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
3191 fs->signal_frame.
3192 (sh_fallback_frame_state): Likewise.
3194 2006-03-15 Geoffrey Keating <geoffk@apple.com>
3196 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
3197 Do switch on default_use_cxa_atexit.
3198 (powerpc*-*-darwin*): Build crt2.o on powerpc.
3199 * config/darwin-crt3.o: New.
3200 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
3201 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
3202 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
3203 OS version.
3204 * config/rs6000/t-darwin: Move crt2.o building to here.
3205 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
3206 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
3207 of __cxa_atexit.
3209 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3211 * config/vax/vax.c (nonindexed_address_p): Change logical negation
3212 from '! xxx' to '!xxx' for coding-style conformance.
3213 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
3214 (EXTRA_CONSTRAINT): Likewise.
3215 * config/vax/vax.md (four unnamed insns): Likewise.
3217 2006-03-15 Paul Brook <paul@codesourcery.com>
3219 * config/arm/arm.c (minipool_pad): New.
3220 (add_minipool_forward_ref): Include pool alignment padding in address
3221 calculation.
3222 (push_minipool_fix): Set minipool_pad.
3223 (minipool_pad): Ditto.
3225 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
3227 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
3228 instead of GET_CODE() == MEM and REG_P() instead of
3229 GET_CODE() == REG.
3230 (print_operand_address): Likewise.
3231 (vax_address_cost): Likewise.
3232 (vax_rtx_costs): Likewise.
3233 (vax_notice_update_cc): Likewise.
3234 (vax_output_int_add): Likewise.
3235 (INDEX_REGISTER_P): Likewise.
3236 (BASE_REGISTER_P): Likewise.
3237 (nonindexed_address_p): Likewise.
3238 (vax_mode_dependent_address_p): Likewise.
3239 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
3240 (PRINT_OPERAND): Likewise.
3241 * config/vax/vax.md (ashlsi3): Likewise.
3242 (ashlsi3): Likewise.
3243 (some more unnamed insns): Likewise.
3245 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
3247 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
3248 iterator-style macro.
3249 (mark_control_dependent_edges_necessary): Update the use of
3250 EXECUTE_IF_CONTROL_DEPENDENT.
3252 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
3254 * config/sh/predicates.md (cache_address_operand): Special.
3255 (ua_address_operand): Likewise.
3257 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
3259 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
3260 loop notes.
3261 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
3263 2006-03-15 Andreas Schwab <schwab@suse.de>
3265 * gensupport.c (identify_predicable_attribute): Don't free p_false
3266 when it is still in use.
3268 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3270 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
3271 the default setting here.
3273 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
3275 * tree-pass.h (pass_cfg): Remove.
3276 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
3277 * passes.c (pass_cfg): Don't run it.
3279 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
3281 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
3282 * reg-stack.c (stack_regs_mentioned_data): Change the type to
3283 VEC(char,heap) *.
3284 (stack_regs_mentioned): Update the uses of
3285 stack_regs_mentioned_data. Don't access the array beyond its
3286 end.
3287 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
3288 Don't include gt-reg-stack.h.
3290 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
3291 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
3293 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
3295 PR middle-end/26684
3296 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
3297 STACK_REGS.
3299 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3301 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
3303 2006-03-14 Richard Guenther <rguenther@suse.de>
3305 PR tree-optimization/26672
3306 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
3307 SSA form.
3309 2006-03-14 Richard Guenther <rguenther@suse.de>
3311 PR tree-optimization/26667
3312 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
3313 node for the callees. Always allow inlining if it will shrink
3314 the function size.
3316 2006-03-14 Richard Guenther <rguenther@suse.de>
3318 PR middle-end/26659
3319 * builtins.c (get_pointer_alignment): Prefer alignment
3320 information from decls over that from types.
3322 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
3324 PR target/26657
3325 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
3327 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
3329 * config/rs6000/rs6000.opt (mdlmzb): New option.
3330 (msched-prolog, msched-epilog): Use Var not Mask.
3331 * doc/invoke.texi (-mdlmzb): Document.
3332 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
3333 MASK_SCHED_PROLOG.
3334 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
3335 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
3337 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
3339 PR rtl-optimization/25739
3340 * bt-load.c (augment_live_range): Free tos pointer.
3342 * gensupport.c (identify_predicable_attribute): Free
3343 p_false pointer.
3344 * gcov.c (create_file_names): Free name pointer.
3346 2006-03-13 Roger Sayle <roger@eyesopen.com>
3348 PR middle-end/26557
3349 * stmt.c (emit_case_nodes): Handle the case where the index is a
3350 CONST_INT, where the comparison mode is specified by the index type.
3352 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3354 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
3355 is defined.
3357 2006-03-13 Richard Sandiford <richard@codesourcery.com>
3359 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
3360 (*branch_fp_inverted): Likewise.
3362 2006-03-13 Jakub Jelinek <jakub@redhat.com>
3364 PR middle-end/25989
3365 * omp-low.c (expand_omp_for_generic): Mark istart0
3366 and iend0 as addressable.
3368 2006-03-13 Jie Zhang <jie.zhang@analog.com>
3370 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
3372 2006-03-13 Jeff Law <law@redhat.com>
3374 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
3375 virtual operands are interesting.
3376 (vrp_visit_stmt): Corresponding changes.
3378 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
3380 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
3381 of RETS.
3382 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
3383 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
3384 * config/bfin/crti.S: Use it instead of __PIC__.
3385 * config/bfin/crtn.S: Likewise.
3387 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
3388 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
3389 not if flag_pic.
3390 Lose 'G' modifier for call operand.
3391 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
3392 recognize 'G' modifier.
3394 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
3396 PR middle-end/18859
3397 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
3398 * stmt.c (expand_case): Likewise.
3400 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3402 PR rtl-optimization/26254
3403 * loop-invariant.c (seq_insns_valid_p): New function.
3404 (move_invariant_reg): Only emit new code if it is valid.
3406 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3408 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
3409 Removed.
3410 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
3411 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
3412 (commit_one_edge_insertion): Do not look for loop notes.
3414 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3416 * jump.c (follow_jumps): Do not check for loop notes. Move check for
3417 flag_test_coverage out of loop.
3419 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3421 * final.c (shorten_branches): Remove outdated comment, and turn
3422 the if branch that guards it to continue.
3424 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
3426 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
3427 * cfgloop.h (struct loop): Remove unused fields.
3429 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
3431 * doc/invoke.texi (-fdump-rtl-loop): Remove.
3432 (-dL, -fdump-rtl-loop2): Update the dump file names
3434 * doc/invoke.texi: Update dump file names.
3436 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
3438 * predict.c (estimate_probability): Remove.
3439 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
3440 * basic-block.h (estimate_probability): Remove prototype.
3441 * passes.c (finish_optimization_passes): Dump branch prediction or
3442 profiling heuristics to the .profile tree dump.
3443 (init_optimization_passes): Unqueue pass_branch_prob.
3445 * doc/invoke.texi (-fdump-rtl-bp): Remove.
3447 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3449 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
3450 * rtl.h (LABEL_NEXTREF): Remove field accessor.
3452 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
3454 * function.h (frame_offset_overflow): Declare.
3455 * function.c (frame_offset_overflow): New function.
3456 (assign_stack_local_1): Call it to detect that the offset overflows.
3457 * cfgexpand.c (alloc_stack_frame_space): Likewise.
3459 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
3461 * config/sh/sh.c: Include alloc-pool.h.
3462 (label_ref_list_pool): New alloc pool.
3463 (label_ref_list_t): New type for lists of labels.
3464 (struct pool_node): Make wend a label_ref_list_t.
3465 (add_constant): Use the new type, eradicate LABEL_NEXTREF
3466 references.
3467 (dump_table): Likewise.
3468 (sh_reorg): Set up the alloc pool before using add_constant and
3469 dump_table, and destroy it when finishing.
3471 2006-03-11 Richard Sandiford <richard@codesourcery.com>
3473 * config/mips/mips.c: Remove redundant comment.
3475 2006-03-10 Jason Merrill <jason@redhat.com>
3477 PR c/26004
3478 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
3479 the target was declared 'register'.
3481 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
3483 * genpreds.c (write_insn_constraint_len): Change definition of
3484 insn_constraint_len to return size_t to match the declaration.
3486 2006-03-10 DJ Delorie <dj@redhat.com>
3488 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
3489 start at zero.
3490 (m32c_expand_insv): Fix test for an AND mask.
3492 2006-03-10 Richard Guenther <rguenther@suse.de>
3494 PR middle-end/26565
3495 * builtins.c (get_pointer_alignment): Handle component
3496 references for field alignment.
3498 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3500 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
3501 when building with libgloss.
3502 (sh*elf): Implement --without-fp option.
3503 (sh64-superh-linux*): Don't multilib.
3505 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
3507 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
3509 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
3511 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
3512 Set it when one of the replacement functions returned true.
3513 Return TODO_cleanup_cfg if cfgchanged is true.
3514 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
3516 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
3518 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
3519 instead of gen_lowpart.
3521 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3523 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
3524 interface.
3525 (mips_output_order_conditional_branch): Declare.
3526 * config/mips/mips.h (MIPS_BRANCH): New macro.
3527 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
3528 for the comparison. Use gen_condjump.
3529 (mips_output_conditional_branch): Rework interface to take the
3530 asm templates for a direct branch and the inverse of a direct branch.
3531 (mips_output_order_conditional_branch): New function.
3532 (mips_builtin_branch_and_move): New function.
3533 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
3534 branch condition. Use gen_single_cc as the condition for
3535 __builtin_mips_upper_* or __builtin_mips_lower_*.
3536 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
3537 Use VOIDmode for the branch condition.
3538 * config/mips/predicates.md (order_operator): New predicate.
3539 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
3540 (branch_fp): Rename to...
3541 (*branch_fp): ...this. Remove mode from comparison operator.
3542 Use new mips_output_conditional_branch interface.
3543 (branch_fp_inverted): Rename to...
3544 (*branch_fp_inverted): ...this and update as for *branch_fp.
3545 (*branch_zero<mode>): Rename to...
3546 (*branch_order<mode>): ...this. Remove mode from comparison operator.
3547 Use mips_output_order_conditional_branch. Only accept ordered
3548 comparisons.
3549 (*branch_zero<mode>_inverted): Rename to...
3550 (*branch_order<mode>_inverted): ...this and update as for
3551 *branch_order<mode>.
3552 (*branch_equality<mode>): Accept zero as the second operand to
3553 the equality operator. Use the new mips_output_conditional_branch
3554 interface.
3555 (*branch_equality<mode>_inverted): Likewise.
3556 (condjump): New expander.
3557 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
3558 operator.
3559 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
3560 (bc1any2t, bc1any2f): Likewise.
3561 (single_cc): New expander.
3562 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
3564 2006-03-09 Richard Sandiford <richard@codesourcery.com>
3566 * doc/md.texi: Update documentation of MIPS constraints.
3567 * config/mips/constraints.md: New file.
3568 * config/mips/mips.md: Include it.
3569 * config/mips/mips.c (mips_char_to_class): Delete.
3570 (override_options): Don't initialize mips_char_to_class.
3571 * config/mips/mips.h (mips_char_to_class): Delete.
3572 (REG_CLASS_FROM_LETTER): Delete.
3573 (CONST_OK_FOR_LETTER_P): Delete.
3574 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
3575 (EXTRA_CONSTRAINT_Y): Delete.
3576 (EXTRA_CONSTRAINT_STR): Delete.
3577 (CONSTRAINT_LEN): Delete.
3578 (EXTRA_MEMORY_CONSTRAINT): Delete.
3580 2006-03-09 Diego Novillo <dnovillo@redhat.com>
3582 * tree-cfg.c (move_block_to_fn): Remove the statements from the
3583 original fn's eh regions.
3585 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
3587 * fold-const.c (build_range_check): Make sure to use a valid type to
3588 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
3589 transformation.
3591 (range_predecessor): New static function.
3592 (range_successor): Likewise.
3593 (merge_ranges): Use them to compute predecessors and successors of
3594 range bounds.
3596 2006-03-09 Roger Sayle <roger@eyesopen.com>
3598 PR middle-end/26561
3599 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
3600 X op C3, consider whether C3 overflows towards +Inf or -Inf.
3602 2006-03-08 DJ Delorie <dj@redhat.com>
3604 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
3605 (addpsi3): Expand to include memory operands. Remove
3606 reload-specific splits.
3607 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
3608 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
3609 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
3610 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
3611 (shift1_qi, shift1_hi, insv): New.
3612 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
3613 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
3614 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
3615 cond_to_int): New.
3616 * config/m32c/m32c-protos.h: Update as needed.
3617 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
3618 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
3619 Fail for unrecognized R* constraints.
3620 (m32c_cannot_change_mode_class): Be more picky about pseudos.
3621 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
3622 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
3623 Add Sp constraint.
3624 (m32c_init_libfuncs): New.
3625 (m32c_legitimate_address_p): Add debug wrapper.
3626 (m32c_rtx_costs): New.
3627 (m32c_address_cost): New.
3628 (conversions): Add 'B' prefix.
3629 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
3630 operands, or word regnames for QI operands. 'B' prints bit
3631 position.
3632 (m32c_expand_setmemhi): New.
3633 (m32c_expand_movmemhi): New.
3634 (m32c_expand_movstr): New.
3635 (m32c_expand_cmpstr): New.
3636 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
3637 (m32c_expand_neg_mulpsi3): Handle non-ints.
3638 (m32c_cmp_flg_0): New.
3639 (m32c_expand_movcc): New.
3640 (m32c_expand_insv): New.
3641 (m32c_scc_pattern): New.
3642 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
3643 a0/a1 out of SIregs.
3644 (STORE_FLAG_VALUE): New.
3645 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
3646 code macros.
3647 (no_insn): New.
3648 * config/m32c/mov.md: Make constraints more liberal.
3649 (zero_extendqihi2): Optimize r0/r1 case.
3650 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
3651 * config/m32c/predicates.md (m32c_any_operand): New.
3652 (m32c_nonimmediate_operand): New.
3653 (m32c_hl_operand): New.
3654 (m32c_r3_operand): New.
3655 (ap_operand): New.
3656 (ma_operand): New.
3657 (memsym_operand): New.
3658 (memimmed_operand): New.
3659 (a_qi_operand): New.
3660 (m32c_eqne_operator): New.
3661 (m32c_1bit8_operand): New.
3662 (m32c_1bit16_operand): New.
3663 (m32c_1mask8_operand): New.
3664 (m32c_1mask16_operand): New.
3665 * config/m32c/blkmov.md: New file.
3666 * config/m32c/t-m32c (MD_FILES): Add blkmov.
3668 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
3670 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
3671 unsigned to fix signed/unsigned comparison issue in
3672 DWARF2_FRAME_REG_OUT.
3673 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
3674 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
3676 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
3677 of ptr into the ENABLE_CHECKING section.
3679 2006-03-08 Jeff Law <law@redhat.com>
3681 * tree-vrp.c (infer_value_range): Only count pointer uses
3682 and dereferences if -fdelete-null-pointer-checks is enabled.
3684 * tree-vrp.c (find_assert_locations): Infer value ranges for
3685 single use pointers, but do not create ASSERT_EXPRs for them.
3686 When a non-null range is inferred for a pointer, backwards
3687 propagate that range to other equivalent pointers through the
3688 use-def chain.
3690 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
3692 PR bootstrap/26500
3693 * Makefile.in (dvi, html, install-info): Invoke the corresponding
3694 language hook targets.
3695 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
3696 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
3697 if language hook targets were missing.
3699 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
3701 * tree-ssa-opfinalize.h: Removed.
3702 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
3703 dependency.
3704 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
3705 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
3706 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
3707 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
3708 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
3709 finalize_ssa_v_must_def_ops): New.
3711 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
3713 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
3714 block as parameter.
3716 2006-03-07 Geoffrey Keating <geoffk@apple.com>
3718 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
3720 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
3721 addresses with offsets; reorganize.
3723 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
3724 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
3725 (expand_builtin_init_dwarf_reg_sizes): Likewise.
3727 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
3729 PR target/26588
3730 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
3732 2006-03-08 Ben Elliston <bje@au.ibm.com>
3734 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
3736 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
3738 PR gomp/26238
3739 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
3740 expansion.
3742 2006-03-07 Richard Guenther <rguenther@suse.de>
3744 PR tree-optimization/26587
3745 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
3747 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3749 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
3751 2006-03-07 Richard Sandiford <richard@codesourcery.com>
3753 * hooks.c (hook_bool_mode_rtx_true): New function.
3754 * hooks.h (hook_bool_mode_rtx_true): Declare.
3755 * toplev.c (compile_file): Call output_shared_constant_pool.
3756 * varasm.c (shared_constant_pool): New variable.
3757 (assemble_start_function, assemble_end_function): Remove arguments
3758 from call to output_constant_pool.
3759 (create_constant_pool): New function, split out from...
3760 (init_varasm_status): ...here.
3761 (force_const_mem): Choose between the shared and per-function constant
3762 pools. Set current_function_uses_const_pool when reusing old entries
3763 as well as when creating new ones.
3764 (mark_constant): Ignore data argument.
3765 (mark_constants): Remove pool argument.
3766 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
3767 to decide whether the function uses a constant pool.
3768 (output_constant_pool_contents): New function, split out from...
3769 (output_constant_pool): ...here.
3770 (output_shared_constant_pool): New function.
3771 (init_varasm_once): Initialize shared_constant_pool.
3772 * output.h (output_constant_pool): Delete.
3773 (output_shared_constant_pool): Declare.
3774 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
3775 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
3777 2006-03-06 Nick Clifton <nickc@redhat.com>
3779 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
3780 flag_strength_reduce.
3782 2006-03-06 Ben Elliston <bje@au.ibm.com>
3784 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
3785 x86_64-*-linux* configurations.
3787 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
3788 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
3790 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3792 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
3793 Remove.
3794 * basic-block.h: Remove the extern for
3795 rediscover_loops_after_threading.
3797 * cfgloop.c (cancel_loop): Make it static.
3798 * cfgloop.h: Remove the prototype for cancel_loop.
3800 * flow.c (recompute_reg_usage): Make it static.
3801 * rtl.h: Remove the prototype for recompute_reg_usage.
3803 * function.c (use_return_register): Make it static.
3804 * function.h: Remove the prototype.
3806 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3808 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
3809 Remove.
3810 * recog.h: Remove the prototype for
3811 validate_change_maybe_volatile.
3813 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3815 * rtlanal.c (replace_reg): Remove.
3816 * rtl.h: Remove the prototype for replace_reg.
3818 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
3820 * regclass.c (reg_scan_update): Remove.
3821 (reg_scan_mark_refs): Remove the last argument.
3822 * rtl.h: Remove the prototype for reg_scan_update.
3824 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3826 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
3827 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
3828 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
3829 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
3830 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
3831 loop-invariant.c, omp-low.c, opts.c, passes.c,
3832 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
3833 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
3834 tree-ssa-structalias.c, tree-ssa-threadedge.c,
3835 tree-ssa-threadupdate.c, tree-vect-patterns.c,
3836 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
3837 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
3839 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3841 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
3842 * dwarf2out.h: Remove the prototype for
3843 dwarf2out_add_library_unit_info.
3845 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3847 * tree.c (add_var_to_bind_expr): Remove.
3848 * tree.h: Remove the prototype for add_var_to_bind_expr.
3850 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3852 * regclass.c (n_non_fixed_regs): Remove.
3853 (init_reg_sets_1, globalize_reg): Remove all uses of
3854 n_non_fixed_regs.
3855 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
3857 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3859 * rtlanal.c (insns_safe_to_move_p): Remove.
3860 * rtl.h: Remove the prototype for insns_safe_to_move_p.
3862 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
3864 * expmed.c (expand_mult_add): Remove.
3865 * expr.h: Remove the prototype for expand_mult_add.
3867 2006-03-04 Jakub Jelinek <jakub@redhat.com>
3869 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
3870 and REG_SAVED_VAL_EXP constants.
3871 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
3872 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
3873 Handle regs stored by value.
3874 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
3875 (execute_cfa_program): Handle DW_CFA_val_offset,
3876 DW_CFA_val_offset_sf and DW_CFA_val_expression.
3877 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
3878 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
3879 (uw_install_context_1): Handle target regs stored by value.
3881 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
3883 * tree-sra.c (tree_sra): Return todoflags;
3884 (generate_one_element): Set TODO_update_smt_usage if needed.
3885 (pass_sra): Remove TODO_update_smt_usage.
3886 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
3887 parameter.
3888 (tree_ssa_forward_propagate_single_use_vars): Return
3889 TODO_update_smt_usage if we need to update SMT usage.
3890 (pass_forwprop): Remove TODO_update_smt_usage.
3892 2006-03-03 Diego Novillo <dnovillo@redhat.com>
3894 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
3895 (correct_use_link): Remove reference to get_stmt_operands.
3896 (update_stmt_operands): Likewise.
3897 (get_modify_expr_operands): New function factored out of
3898 parse_ssa_operands and get_expr_operands.
3899 Try to create V_MUST_DEFs for LHS by default.
3900 (get_expr_operands) <case MODIFY_EXPR>: Call
3901 get_modify_expr_operands.
3902 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
3903 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
3904 (parse_ssa_operands) <case MODIFY_EXPR>: Call
3905 get_modify_expr_operands.
3907 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
3909 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
3910 * tree-flow.h: Remove the prototype for
3911 referenced_var_lookup_if_exists.
3913 2006-03-03 Steve Ellcey <sje@cup.hp.com>
3915 PR rtl-optimization/26345
3916 PR target/19061
3917 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
3919 2006-03-03 Roger Sayle <roger@eyesopen.com>
3921 PR tree-optimization/26524
3922 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
3923 fold_convert to create a constant of the appropriate type.
3925 2006-03-03 Richard Sandiford <richard@codesourcery.com>
3927 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3928 SYMBOL_REF_IN_BLOCK_P.
3929 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
3930 of SYMBOL_FLAG_IN_BLOCK.
3931 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
3932 instead of SYMBOL_REF_IN_BLOCK_P.
3933 * explow.c (use_anchored_address): Likewise.
3934 * rtl.c (rtx_size): Likewise.
3935 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
3936 instead of SYMBOL_FLAG_IN_BLOCK.
3937 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3938 SYMBOL_REF_IN_BLOCK_P.
3939 (assemble_variable): Likewise.
3940 (output_constant_def_contents): Likewise.
3941 (output_constant_pool): Likewise.
3942 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
3943 instead of SYMBOL_FLAG_IN_BLOCK.
3944 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3945 SYMBOL_REF_IN_BLOCK_P.
3946 (SYMBOL_REF_BLOCK): Likewise.
3947 (SYMBOL_REF_OFFSET): Likewise.
3948 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
3949 SYMBOL_REF_IN_BLOCK_P.
3950 (SYMBOL_FLAG_IN_BLOCK): Replace with...
3951 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
3952 (SYMBOL_REF_IN_BLOCK_P): Replace with...
3953 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
3955 2006-03-03 Jakub Jelinek <jakub@redhat.com>
3957 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
3959 2006-03-02 Roger Sayle <roger@eyesopen.com>
3961 * simplify-rtx.c (simplify_unary_operation): When simplifying
3962 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
3963 that we perform the right shift in the appropriate mode, and
3964 then extend or truncate the result to requested mode.
3966 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
3968 * gengtype.c (main): Handle double_int type.
3969 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
3970 * double-int.c: New file.
3971 * double-int.h: New file.
3972 * system.h: Include doubleint.h.
3973 * Makefile.in (SYSTEM_H): Include double-int.h.
3974 (double-int.o): Add.
3976 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
3978 PR bootstrap/26478
3979 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
3980 copying over it.
3982 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3984 * tree-vrp.c (remove_range_assertions): Do not update statements
3985 unnecessarily.
3987 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
3989 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
3990 cleanup.
3991 * gcse.c (rest_of_handle_gcse): Ditto.
3992 * except.c (gate_handle_eh): Ditto.
3993 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
3994 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
3996 2006-03-02 Eric Christopher <echristo@apple.com>
3998 * config/i386/i386.c (machopic_output_stub): Add indirection to
3999 jump.
4001 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
4003 * loop.c: Removed.
4005 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
4007 Sun Niagara specific optimizations.
4008 * config.gcc: Recognize niagara as target.
4009 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
4010 (TARGET_CPU_niagara): Define.
4011 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
4012 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
4013 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4014 (ASM_CPU_SPEC): Likewise.
4015 (PROCESSOR_NIAGARA): New enum entry.
4016 (REGISTER_MOVE_COST): Handle Niagara.
4017 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
4018 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
4019 (sparc_override_options): Recognize "niagara", set appropriate
4020 default MASK_* values for it, and align functions to 32-bytes
4021 by default just like ULTRASPARC/ULTRASPARC3.
4022 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
4023 (sparc64_initialize_trampoline): Likewise.
4024 (sparc_use_sched_lookahead): Use zero for niagara.
4025 (sparc_issue_rate): Use one for niagara.
4026 * config/sparc/niagara.md: New file.
4027 * config/sparc/sparc.md: Include it.
4028 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
4029 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
4030 when default cpu is niagara.
4031 (CPP_CPU_SPEC): Handle -mcpu=niagara.
4032 (ASM_CPU_SPEC): Likewise.
4033 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
4034 when default cpu is niagara.
4035 (ASM_CPU_SPEC): Handle -mcpu=niagara.
4036 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
4037 just like v9/ultrasparc/ultrasparc3.
4038 * doc/invoke.texi: Add documentation for "niagara" and improve
4039 existing documentation for ultrasparc variants.
4041 2006-03-02 Diego Novillo <dnovillo@redhat.com>
4043 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
4045 2006-03-02 Richard Sandiford <richard@codesourcery.com>
4047 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
4048 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
4049 and say that only one is needed.
4050 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
4051 * target.h (have_switchable_bss_sections): New hook.
4052 * explow.c (use_anchored_address): Check that the symbol is in a block.
4053 * varasm.c (tls_comm_section, comm_section, lcomm_section)
4054 (bss_noswitch_section): New variables.
4055 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
4056 (get_noswitch_section): New function.
4057 (get_block_for_section): Allow SECT to be null.
4058 (unlikely_text_section_p): Use SECTION_STYLE.
4059 (bss_initializer_p): New function.
4060 (get_variable_section): Move earlier in file. Take a new argument,
4061 prefer_noswitch_p. Move bss checks from assemble_variable to here.
4062 Return one of the new *_sections in such cases.
4063 (get_block_for_decl): New function, extracting some logic from
4064 use_blocks_for_decl_p.
4065 (change_symbol_section): Remove in favor of...
4066 (change_symbol_block): ...this new function.
4067 (use_blocks_for_decl_p): Remove checks now performed by
4068 get_block_for_decl.
4069 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
4070 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
4071 (emit_local, emit_bss, emit_common): ...these new functions.
4072 Return true if the alignment was honored.
4073 (emit_tls_common): New function.
4074 (asm_emit_uninitialised): Delete.
4075 (assemble_variable_noswitch): New function, split out from...
4076 (assemble_variable): ...here. Don't make decisions about common
4077 variables here. Globalize all public decls that go into non-common
4078 sections. Check whether SYMBOL_REF_BLOCK is null.
4079 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
4080 (output_constant_pool): Likewise.
4081 (init_varasm_once): Initialize the new section variables.
4082 (have_global_bss_p): New function.
4083 (categorize_decl_for_section): Use bss_initializer_p.
4084 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
4085 (place_block_symbol): Assert that the symbol must be in a block.
4086 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
4087 (TARGET_INITIALIZER): Include it.
4088 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
4089 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
4090 (SECTION_MACH_DEP): Bump by two.
4091 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
4092 (unnamed_section): Mention SECTION_UNNAMED in comment.
4093 (named_section): Likewise SECTION_NAMED.
4094 (noswitch_section_callback): New type.
4095 (noswitch_section): New structure.
4096 (section): Add a noswitch_section alternative.
4097 (SECTION_STYLE): New macro.
4098 (tls_comm_section, comm_section, lcomm_section): Declare.
4099 (bss_noswitch_section, have_global_bss_p): Declare.
4100 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4101 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4102 Override.
4103 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
4104 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
4105 Override.
4107 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
4109 * gcc/tree-vrp.c (execute_vrp): Return value.
4110 * gcc/regrename.c (rest_of_handle_regrename): Ditto.
4111 * gcc/tree-into-ssa.c (rewrite_into_ssa): Ditto.
4112 * gcc/tree-complex.c (tree_lower_complex): Ditto.
4113 (tree_lower_complex_O0): Ditto.
4114 * gcc/tracer.c (rest_of_handle_tracer): Ditto.
4115 * gcc/postreload-gcse.c (rest_of_handle_gcse2): Ditto.
4116 * gcc/postreload.c (rest_of_handle_postreload): Ditto.
4117 * gcc/tree-tailcall.c (execute_tail_recursion): Ditto.
4118 (execute_tail_calls): Ditto.
4119 * gcc/tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
4120 * gcc/tree.h (init_function_for_compilation): Ditto.
4121 * gcc/ipa-cp.c (ipcp_driver): Ditto.
4122 * gcc/tree-scalar-evolution.c (scev_const_prop): Ditto.
4123 * gcc/tree-scalar-evolution.h (scev_const_prop): Ditto.
4124 * gcc/final.c (compute_alignments): Ditto.
4125 (rest_of_handle_final): Ditto.
4126 (rest_of_handle_shorten_branches): Ditto.
4127 (rest_of_clean_state): Ditto.
4128 * gcc/omp-low.c (execute_expand_omp): Ditto.
4129 (execute_lower_omp): Ditto.
4130 * gcc/tree-ssa-dse.c (tree_ssa_dse): Ditto.
4131 * gcc/ipa-reference.c (static_execute): Ditto.
4132 * gcc/tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
4133 * gcc/reorg.c (rest_of_handle_delay_slots): Ditto.
4134 (rest_of_handle_machine_reorg): Ditto.
4135 * gcc/cgraphunit.c (rebuild_cgraph_edges): Ditto.
4136 * gcc/flow.c (recompute_reg_usage): Ditto.
4137 (rest_of_handle_remove_death_notes): Ditto.
4138 (rest_of_handle_life): Ditto.
4139 (rest_of_handle_flow2): Ditto.
4140 * gcc/tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
4141 * gcc/tree-ssa-ccp.c (do_ssa_ccp): Ditto.
4142 (do_ssa_store_ccp): Ditto.
4143 (execute_fold_all_builtins): Ditto.
4144 * gcc/mode-switching.c (rest_of_handle_mode_switching): Ditto.
4145 * gcc/modulo-sched.c (rest_of_handle_sms): Ditto.
4146 * gcc/ipa-pure-const.c (static_execute): Ditto.
4147 * gcc/cse.c (rest_of_handle_cse): Ditto.
4148 (rest_of_handle_cse2): Ditto.
4149 * gcc/web.c (rest_of_handle_web): Ditto.
4150 * gcc/tree-stdarg.c (execute_optimize_stdarg): Ditto.
4151 * gcc/tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
4152 * gcc/tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
4153 * gcc/tree-nrv.c (tree_nrv): Ditto.
4154 (execute_return_slot_opt): Ditto.
4155 * gcc/tree-ssa-alias.c (compute_may_aliases): Ditto.
4156 (create_structure_vars): Ditto.
4157 * gcc/loop-init.c (rtl_loop_init): Ditto.
4158 (rtl_loop_done): Ditto.
4159 (rtl_move_loop_invariants): Ditto.
4160 (rtl_unswitch): Ditto.
4161 (rtl_unroll_and_peel_loops): Ditto.
4162 (rtl_doloop): Ditto.
4163 * gcc/gimple-low.c (lower_function_body): Ditto.
4164 (mark_used_blocks): Ditto.
4165 * gcc/tree-ssa-sink.c (execute_sink_code): Ditto.
4166 * gcc/ipa-inline.c (cgraph_decide_inlining): Ditto.
4167 (cgraph_early_inlining): Ditto.
4168 * gcc/global.c (rest_of_handle_global_alloc): Ditto.
4169 * gcc/jump.c (cleanup_barriers): Ditto.
4170 (purge_line_number_notes): Ditto.
4171 * gcc/ifcvt.c (rest_of_handle_if_conversion): Ditto.
4172 (rest_of_handle_if_after_reload): Ditto.
4173 * gcc/tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
4174 (tree_ssa_loop_im): Ditto.
4175 (tree_ssa_loop_unswitch): Ditto.
4176 (tree_vectorize): Ditto.
4177 (tree_linear_transform): Ditto.
4178 (tree_ssa_loop_ivcanon): Ditto.
4179 (tree_ssa_empty_loop): Ditto.
4180 (tree_ssa_loop_bounds): Ditto.
4181 (tree_complete_unroll): Ditto.
4182 (tree_ssa_loop_prefetch): Ditto.
4183 (tree_ssa_loop_ivopts): Ditto.
4184 (tree_ssa_loop_done): Ditto.
4185 * gcc/predict.c (tree_estimate_probability): Ditto.
4186 * gcc/recog.c (split_all_insns_noflow): Ditto.
4187 (rest_of_handle_peephole2): Ditto.
4188 (rest_of_handle_split_all_insns): Ditto.
4189 * gcc/tree-eh.c (lower_eh_constructs): Ditto.
4190 * gcc/regmove.c (rest_of_handle_regmove): Ditto.
4191 (rest_of_handle_stack_adjustments): Ditto.
4192 * gcc/local-alloc.c (rest_of_handle_local_alloc): Ditto.
4193 * gcc/function.c (instantiate_virtual_regs): Ditto.
4194 (init_function_for_compilation): Ditto.
4195 (rest_of_handle_check_leaf_regs): Ditto.
4196 * gcc/gcse.c (rest_of_handle_jump_bypass): Ditto.
4197 (rest_of_handle_gcse): Ditto.
4198 * gcc/ipa-type-escape.c (type_escape_execute): Ditto.
4199 * gcc/alias.c (rest_of_handle_cfg): Ditto.
4200 * gcc/tree-if-conv.c (main_tree_if_conversion): Ditto.
4201 * gcc/profile.c (rest_of_handle_branch_prob): Ditto.
4202 * gcc/tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
4203 * gcc/rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
4204 * gcc/bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
4205 * gcc/tree-dfa.c (find_referenced_vars): Ditto.
4206 * gcc/except.c (set_nothrow_function_flags): Ditto.
4207 (convert_to_eh_region_ranges): Ditto.
4208 (rest_of_handle_eh): Ditto.
4209 * gcc/emit-rtl.c (unshare_all_rtl): Ditto.
4210 (remove_unnecessary_notes): Ditto.
4211 * gcc/except.h (set_nothrow_function_flags): Ditto.
4212 (convert_to_eh_region_ranges): Ditto.
4213 * gcc/cfgexpand.c (tree_expand_cfg): Ditto.
4214 * gcc/tree-cfgcleanup.c (merge_phi_nodes): Ditto.
4215 * gcc/tree-ssa-pre.c (do_pre): Ditto.
4216 (execute_fre): Ditto.
4217 * gcc/cfgcleanup.c (rest_of_handle_jump): Ditto.
4218 (rest_of_handle_jump2): Ditto.
4219 * gcc/tree-sra.c (tree_sra): Ditto.
4220 * gcc/tree-mudflap.c (execute_mudflap_function_ops): Ditto.
4221 (execute_mudflap_function_decls): Ditto.
4222 * gcc/tree-ssa-copy.c (do_copy_prop): Ditto.
4223 (do_store_copy_prop): Ditto.
4224 * gcc/ipa-prop.h (ipcp_driver): Ditto.
4225 * gcc/cfglayout.c (insn_locators_initialize): Ditto.
4226 * gcc/tree-ssa-forwprop.c
4227 (tree_ssa_forward_propagate_single_use_vars): Ditto.
4228 * gcc/cfglayout.h (insn_locators_initialize): Ditto.
4229 * gcc/tree-ssa-dce.c (tree_ssa_dce): Ditto.
4230 * gcc/tree-ssa.c (execute_early_warn_uninitialized): Ditto.
4231 (execute_late_warn_uninitialized): Ditto.
4232 * gcc/rtl.h (cleanup_barriers): Ditto.
4233 (split_all_insns_noflow): Ditto.
4234 (purge_line_number_notes): Ditto.
4235 (unshare_all_rtl): Ditto.
4236 (remove_unnecessary_notes): Ditto.
4237 (recompute_reg_usage): Ditto.
4238 (variable_tracking_main): Ditto.
4239 * gcc/integrate.c (emit_initial_value_sets): Ditto.
4240 * gcc/integrate.h (emit_initial_value_sets): Ditto.
4241 * gcc/tree-optimize.c (execute_free_datastructures): Ditto
4242 (execute_free_cfg_annotations): Ditto.
4243 (execute_fixup_cfg): Ditto.
4244 (execute_cleanup_cfg_pre_ipa): Ditto.
4245 (execute_cleanup_cfg_post_optimizing): Ditto.
4246 (execute_init_datastructures): Ditto.
4247 * gcc/tree-object-size.c (compute_object_sizes): Ditto.
4248 * gcc/combine.c (rest_of_handle_combine): Ditto.
4249 * gcc/tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
4250 * gcc/bb-reorder.c (duplicate_computed_gotos): Ditto.
4251 (rest_of_handle_reorder_blocks): Ditto.
4252 (rest_of_handle_partition_blocks): Ditto.
4253 * gcc/var-tracking.c (variable_tracking_main): Ditto.
4254 * gcc/tree-profile.c (tree_profiling): Ditto.
4255 * gcc/tree-vect-generic.c (expand_vector_operations): Ditto.
4256 * gcc/reg-stack.c (rest_of_handle_stack_regs): Ditto.
4257 * gcc/sched-rgn.c (rest_of_handle_sched): Ditto.
4258 (rest_of_handle_sched2): Ditto.
4259 * gcc/basic-block.h (free_bb_insn): Ditto.
4260 * gcc/tree-ssa-structalias.c (ipa_pta_execute): Ditto.
4261 * gcc/tree-cfg.c (execute_build_cfg): Ditto.
4262 (remove_useless_stmts): Ditto.
4263 (split_critical_edges): Ditto.
4264 (execute_warn_function_return): Ditto.
4265 (execute_warn_function_noreturn): Ditto.
4266 * gcc/tree-ssa-reassoc.c (execute_reassoc): Ditto.
4267 * gcc/cfgrtl.c (free_bb_for_insn): Ditto.
4268 * gcc/passes.c (execute_one_pass): Run additional
4269 todos returned by execute function.
4270 * gcc/tree-pass.h (struct tree_opt_pass): Make execute
4271 return a value.
4273 2006-03-02 Richard Guenther <rguenther@suse.de>
4275 * tree-ssa-alias.c (find_used_portions): Consider taking
4276 the address as making the variable not write-only.
4278 2006-03-02 Nick Clifton <nickc@redhat.com>
4280 * config.gcc (default_use_cxa_atexit): Extend the description of
4281 this configure variable. Set its default value to "yes" for
4282 Linux, NetBSD and ELF targets on the assumption that they will
4283 use C libraries with the __cxa_atexit function.
4285 2006-03-02 Ben Elliston <bje@au.ibm.com>
4287 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
4288 parameter as unused to suppress a build warning.
4290 2006-03-02 Ben Elliston <bje@au.ibm.com>
4292 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
4293 config/dfp-bit.c.
4295 2006-03-01 Roger Sayle <roger@eyesopen.com>
4297 PR other/26489
4298 * gthr-posix.h (__gthrw2): Define to take three parameters, the
4299 declared name, the weak reference name, and the typeof name.
4300 (__gthrw): Avoid expanding the declared name suffix.
4301 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
4303 2006-03-01 Jakub Jelinek <jakub@redhat.com>
4305 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
4306 from DWARF 3.
4307 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
4308 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
4309 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
4310 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
4311 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
4312 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
4313 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
4314 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
4315 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
4316 DW_DS_leading_separate, DW_DS_trailing_separate): New.
4317 (DW_END_default, DW_END_big, DW_END_little): New.
4318 (DW_END_lo_user, DW_END_hi_user): Define.
4319 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
4320 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
4321 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
4322 DW_LANG_D): New.
4324 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4326 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
4327 Update all users.
4328 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
4329 Update all users.
4330 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
4331 Update all users.
4332 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
4333 Update all users.
4334 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
4335 to 'symbol_mem_tag'.
4336 Update all users.
4337 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
4338 rename.
4340 2006-03-01 Roger Sayle <roger@eyesopen.com>
4342 * builtins.c (fold_builtin_copysign): Delete unreachable code.
4344 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4346 PR target/25761
4347 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
4348 MACHO_DYNAMIC_NO_PIC_P.
4349 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
4351 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4353 PR target/26389
4354 * config/darwin-protos.h (darwin_asm_output_anchor):
4355 Declare.
4356 * config/darwin-sections.def (cstring_section):
4357 Add SECTION_MERGE to the flags.
4358 (literal4_section): Likewise.
4359 (literal8_section): Likewise.
4360 (objc_selector_refs_section): Likewise.
4361 (objc_cls_refs_section): Likewise.
4362 * config/darwin.c (darwin_asm_output_anchor): New
4363 function.
4364 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
4366 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
4368 Fix PR tree-optimization/26443
4369 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
4370 to todo and PROP_tmt_usage to properties_destroyed.
4371 * tree-ssa-ccp.c (pass_ccp): Ditto.
4372 (pass_store_ccp): Ditto.
4373 * tree-ssa-dom.c (pass_dominator): Ditto.
4375 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4377 * tree-ssa-operands.c: Cleanup whitespace.
4378 (get_asm_expr_operands): Move before first invocation.
4379 (get_indirect_ref_operands): Likewise.
4380 (get_tmr_operands): Likewise.
4381 (get_call_expr_operands): Likewise.
4382 (append_def): Likewise.
4383 (append_use): Likewise.
4384 (append_v_may_def): Likewise.
4385 (append_v_must_def): Likewise.
4386 (add_call_clobber_ops): Likewise.
4387 (add_call_read_ops): Likewise.
4388 (add_stmt_operand): Likewise.
4389 (add_virtual_operand): Likewise.
4390 (build_ssa_operands): Likewise.
4392 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
4394 PR middle-end/26022
4395 Revert:
4396 PR middle-end/24437
4397 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
4398 with a call expr to ...
4399 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
4401 2006-03-01 Diego Novillo <dnovillo@redhat.com>
4403 * tree-vrp.c (extract_range_from_assert): Remove special
4404 handling for types with super-types.
4406 2006-03-01 Ben Elliston <bje@au.ibm.com>
4408 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
4409 and powerpc64-*-linux* configurations.
4410 * config/t-dfprules: New file.
4412 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
4413 Compile dfp-bit.c from the source directory using -DWIDTH and
4414 $DFP_CFLAGS to control the compilation of that file, rather than
4415 generating width-specific versions in the build directory.
4416 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
4417 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
4419 2006-02-28 Zack Weinberg <zackw@panix.com>
4421 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
4422 continues to work.
4424 2006-02-28 Eric Christopher <echristo@apple.com>
4426 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
4427 Set up IN_LIBGCC definition of TARGET_64BIT.
4428 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
4430 2006-02-28 Roger Sayle <roger@eyesopen.com>
4432 PR middle-end/14752
4433 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
4434 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
4435 cases via the construction of "expr != 0".
4437 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
4439 * alias.c (alias_invariant, alias_invariant_size): Remove.
4440 (record_base_value): Remove.
4441 (memrefs_conflict_p): Don't look at alias_invariant.
4442 (end_alias_analysis): Don't free it.
4443 * alias.h (record_base_value): Remove prototype.
4445 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
4446 Adam Nemet <anemet@caviumnetworks.com>
4448 * rtl.h (truncated_to_mode): Declare it.
4449 (struct rtl_hooks): Add reg_truncated_to_mode hook.
4450 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
4451 (RTL_HOOKS_INITIALIZER): Include it.
4452 * rtlhooks.c (reg_truncated_to_mode_general): New function.
4453 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
4454 reg_truncated_to_mode.
4455 * rtlanal.c (truncated_to_mode): Define it.
4456 * simplify-rtx.c (simplify_unary_operation_1): Use it.
4458 2006-02-28 Jeff Law <law@redhat.com>
4460 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
4461 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
4462 the range allowed by TYPE_PRECISION.
4464 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
4466 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
4468 PR tree-optimization/26419
4469 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
4470 values of n.
4472 2006-02-27 Zack Weinberg <zackw@panix.com>
4474 * doc/md.texi: Fix typo in previous change.
4476 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4478 * df.c: Remove.
4480 2006-02-27 Zack Weinberg <zackw@panix.com>
4482 * rtl.def (define_constraint, define_register_constraint)
4483 (define_memory_constraint, define_address_constraint): New MD forms.
4484 * gensupport.c (process_rtx): Put define_constraint etc on the
4485 predicate queue.
4486 * genpreds.c (process_define_predicate): Adjust comment. Validate
4487 the name, and call validate_exp to validate the expression.
4488 (mark_mode_tests, write_extract_subexp): Can assume correct input.
4489 (write_predicate_expr): Likewise. NAME argument no longer necessary;
4490 all callers changed.
4491 (validate_exp, needs_variable, struct constraint_data)
4492 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
4493 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
4494 (const_dbl_constraints, constraint_max_namelen)
4495 (have_register_constraints, have_memory_constraints)
4496 (have_address_constraints, have_address_constraints)
4497 (have_extra_constraints, have_const_int_constraints)
4498 (have_const_dbl_constraints, mangle, add_constraint)
4499 (process_define_constraint, process_define_register_constraint)
4500 (write_enum_constraint_num, write_lookup_constraint)
4501 (write_insn_constraint_len, write_regclass_for_constraint)
4502 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
4503 (write_insn_extra_memory_constraint)
4504 (write_insn_extra_address_constraint)
4505 (write_satisfies_constraint_fns): New.
4506 (write_tm_preds_h): If we have new-style constraint definitions,
4507 prototype the functions generated from them, and define the
4508 old constraint interface (still used by generic code) in terms of
4509 those functions.
4510 (write_insn_preds_c): If we have new-style constraint definitions,
4511 generate all relevant functions from those definitions.
4512 (main): Handle define_constraint etc.
4513 * genoutput.c (struct constraint_data, indep_constraints)
4514 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
4515 (mdep_constraint_len): New data structures and functions, defined
4516 #ifdef USE_MD_CONSTRAINTS.
4517 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
4518 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
4519 use new logic to validate operand constraints against constraint
4520 definitions.
4521 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
4522 defined.
4523 * defaults.h: If none of the old-style constraint macros are
4524 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
4525 old-style macros; and poison REG_CLASS_FROM_LETTER,
4526 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
4527 EXTRA_CONSTRAINT.
4528 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
4529 * doc/md.texi: Document new constraint-definition mechanism and the
4530 C interface it provides. Remove references to old mechanism
4531 elsewhere in the document.
4532 (Machine Constraints): Use pathnames relative to gcc directory,
4533 i.e. config/ARCH/FILE. Change i386 section to refer to
4534 config/i386/predicates.md; update that section to match docstrings.
4535 * doc/tm.texi: Move all documentation of the old constraint-
4536 definition macros to their own section, clearly mark as obsolete.
4538 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
4539 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
4540 definitions.
4541 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
4542 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
4543 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
4544 constraint strings.
4545 (splits and peepholes): Use satisfies_constraint_*.
4546 * config/i386/i386.c (memory_address_length)
4547 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
4549 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4551 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
4552 scalar operation to be put back into the loop.
4554 2006-02-27 Jakub Jelinek <jakub@redhat.com>
4556 PR other/26208
4557 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
4558 (extract_cie_info): Handle S flag in augmentation string.
4559 (execute_cfa_program): If context->signal_frame, execute also
4560 fs->pc == context->ra instructions.
4561 (uw_frame_state_for): If context->signal_frame, don't subtract one
4562 from context->ra to find FDE.
4563 (uw_update_context_1): Set context->signal_frame to
4564 fs->signal_frame.
4565 (_Unwind_GetIPInfo): New function.
4566 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
4567 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
4568 of _Unwind_GetIP.
4569 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
4570 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
4571 * unwind-compat.c (_Unwind_GetIPInfo): New function.
4572 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
4573 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
4574 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
4575 * config/i386/linux-unwind.h (x86_fallback_frame_state,
4576 x86_64_fallback_frame_state): Set fs->signal_frame.
4577 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
4578 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
4579 (frob_update_context): Likewise. Workaround missing S flag in
4580 Linux 2.6.12 - 2.6.16 kernel vDSOs.
4581 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
4582 Remove the psw_addr + 1 hack.
4584 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
4586 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
4587 with aggregates here.
4588 (find_func_aliases): Remove code for &<aggregate> from here.
4590 2006-02-26 Roger Sayle <roger@eyesopen.com>
4592 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
4593 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
4594 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
4595 as (X & C) ne/eq 0.
4597 2006-02-26 Roger Sayle <roger@eyesopen.com>
4599 PR middle-end/19983
4600 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
4602 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
4604 * opts.c (decode_options): Do not handle flag_strength_reduce.
4605 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
4606 and OPT_fstrength_reduce.
4607 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
4608 flag_prefetch_loop_arrays for being nonzero.
4609 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
4610 no-ops.
4611 (fprefetch-loop-arrays-rtl): Removed.
4612 (flag_prefetch_loop_arrays): Do not specify the value.
4614 * doc/passes.texi: Update documentation of loop optimizer
4615 passes.
4616 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
4617 -frerun-loop-opt): Remove.
4619 2006-02-26 Richard Guenther <rguenther@suse.de>
4621 PR tree-optimization/26421
4622 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
4623 in function calls that are ADDR_EXPRs as using the whole structure.
4625 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
4627 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
4628 * tree-pass.h (pass_loop_optimize): Remove.
4629 * passes.c (pass_loop_optimize): Never run it.
4630 * toplev.c (backend_init): Don't call init_loop.
4631 * opts.c (flag_loop_optimize_set): Remove.
4632 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
4633 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
4634 the old RTL loop optimizer when profiling enabled.
4635 * predict.c (tree_estimate_probability): Always strip builtin_expect.
4636 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
4637 pre-headers for the sake of the old RTL loop optimizer.
4638 * Makefile.in: Remove all references to loop.o.
4640 * doc/invoke.texi: Remove all references to -floop-optimize
4641 and -frerun-loop-opt.
4643 2006-02-26 Zack Weinberg <zackw@panix.com>
4645 * doc/md.texi (Machine Constraints): Refer to all files with paths
4646 relative to gcc directory (i.e. config/CPU/file). Add missing
4647 @table @code ... @end table to M32C subsection.
4649 2006-02-26 Roger Sayle <roger@eyesopen.com>
4651 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
4652 (X & 1) == 0.
4653 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
4655 2006-02-26 Roger Sayle <roger@eyesopen.com>
4656 James A. Morrison <phython@gcc.gnu.org>
4658 PR middle-end/21137
4659 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
4660 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
4661 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
4662 signedness of the shift operation.
4664 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
4666 PR tree-optimization/26359
4667 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
4669 2006-02-25 Roger Sayle <roger@eyesopen.com>
4671 * simplify-rtx.c (simplify_relational_operation_1): Simplify
4672 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
4673 as X == 0, and some symmetry related transformations.
4674 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
4676 2006-02-25 Roger Sayle <roger@eyesopen.com>
4678 PR middle-end/23673
4679 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
4680 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
4681 symmetry related transformations. Fold (X^C1) == C2 as
4682 X == (C1^C2).
4684 2006-02-25 Juergen Weigert <jw@suse.de>
4685 Richard Guenther <rguenther@suse.de>
4687 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
4689 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
4691 * combine.c (gen_lowpart_or_truncate): Call
4692 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
4694 2006-02-24 Diego Novillo <dnovillo@redhat.com>
4696 * doc/invoke.texi: Move -fopenmp description to "Options for
4697 Code Generation".
4698 Remove reference to -lgomp.
4700 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4702 * doc/install.texi: Require GNU tar version 1.14.
4704 2006-02-24 Geoffrey Keating <geoffk@apple.com>
4706 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
4707 * doc/invoke.texi (C++ Dialect Options): Document
4708 -fno-use-cxa-get-exception-ptr.
4709 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
4710 * configure: Regenerate.
4711 * c.opt (fuse-cxa-get-exception-ptr): New.
4712 * c-opts.c (c_common_handle_option): Handle
4713 OPT_fuse_cxa_get_exception_ptr.
4714 * c-common.c (flag_use_cxa_atexit): Update documentation.
4715 (flag_use_cxa_get_exception_ptr): New.
4716 * c-common.h (flag_use_cxa_get_exception_ptr): New.
4717 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
4718 documentation.
4719 (C_COMMON_OVERRIDE_OPTIONS): New.
4721 2006-02-24 Roger Sayle <roger@eyesopen.com>
4723 PR middle-end/24952
4724 * combine.c (try_combine): Explicitly check whether GET_CODE is
4725 a SET or a CLOBBER, instead on checking that it isn't a USE.
4727 2006-02-24 Roger Sayle <roger@eyesopen.com>
4729 * fold-const.c (fold_comparison): New subroutine of fold_binary
4730 containing transformations common to both the equality and
4731 ordering relational operators, factored out of fold_binary.
4732 (fold_binary): Separate out the equality operators (EQ_EXPR
4733 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
4734 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
4735 transformations common to both.
4736 (fold_div_compare): Fix latent bugs in the previously unreachable
4737 LT_EXPR and GE_EXPR cases.
4739 2006-02-24 David Edelsohn <edelsohn@gnu.org>
4741 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
4742 decl libname for clog to __clog on AIX.
4744 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
4746 2006-02-24 Alan Modra <amodra@bigpond.net.au>
4748 PR target/26453
4749 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
4750 output traceback table for thunks. Localise rs6000_stack_info call.
4752 2006-02-23 Roger Sayle <roger@eyesopen.com>
4753 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4755 * gthr-posix.h (__gthrw): Fix typo in comment.
4757 2006-02-23 Geoffrey Keating <geoffk@apple.com>
4759 * doc/cpp.texi (Character sets): Document that we do support
4760 input files to be in any character set.
4762 2006-02-23 Jeff Law <law@redhat.com>
4764 * tree.h (PHI_ARG_NONZERO): Remove.
4765 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
4766 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
4767 node to the new node.
4769 PR tree-optimization/26425
4770 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
4771 min/max, then assume its varying.
4773 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4775 PR rtl-optimization/26316
4776 * rtlanal.c (enum may_trap_p_flags): New.
4777 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
4778 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
4779 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
4780 (may_trap_after_code_motion_p): New function.
4781 * loop-invariant.c (find_identical_invariants): Fix dump formating.
4782 (find_invariant_insn): Use may_trap_after_code_motion_p.
4783 * rtl.h (may_trap_after_code_motion_p): Declare.
4785 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
4787 * emit-rtl.c (immed_double_const): Cleanup.
4789 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
4791 Fix PR tree-optimization/26376
4792 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
4793 remove assert.
4795 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4797 PR middle-end/26412
4798 * gimplify.c (omp_add_variable): Guard variable size decl test with
4799 DECL_SIZE (decl) check.
4801 2006-02-23 Richard Guenther <rguenther@suse.de>
4803 PR middle-end/26439
4804 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
4805 like aggregate types.
4807 2006-02-23 Jakub Jelinek <jakub@redhat.com>
4809 * configure.ac: Add --with{,out}-long-double-128 configure option.
4810 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
4811 * configure: Rebuilt.
4812 * config.in: Rebuilt.
4813 * doc/install.texi (Options specification): Document
4814 --with-long-double-128.
4816 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4817 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4818 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
4819 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
4821 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
4823 * config/s390/s390.c (override_options): Handle
4824 TARGET_DEFAULT_LONG_DOUBLE_128.
4826 * config/alpha/alpha.c (override_options): Handle
4827 TARGET_DEFAULT_LONG_DOUBLE_128.
4829 * config/sparc/sparc.c (sparc_override_options): Handle
4830 TARGET_DEFAULT_LONG_DOUBLE_128.
4832 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
4834 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
4835 (real-install-headers-tar, real-install-headers-cpio)
4836 (real-install-headers-cp): New targets.
4838 2006-02-22 Richard Sandiford <richard@codesourcery.com>
4840 * tree.h (variable_section): Delete.
4841 * varasm.c (variable_section): Delete.
4843 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
4845 * install.texi: Add notes on install.texi2html.
4846 (Building in parallel): Do not use footnotes.
4848 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
4850 PR libgomp/26234
4851 * doc/install.texi (Configuration): Document --disable-libgomp.
4853 2006-02-21 Geoffrey Keating <geoffk@apple.com>
4855 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
4857 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4859 * config/i386/sse.md (vec_extractv2df_1_sse): New.
4860 (vec_extractv2df_0_sse): New.
4862 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
4864 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
4865 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
4866 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
4867 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
4868 to the result of the expression.
4869 (def_cfa_1): Adjust.
4870 (frame_pointer_cfa_offset): Rename to...
4871 (frame_pointer_fb_offset): ... this. Adjust all uses.
4872 (convert_cfa_to_loc_list): Rename to...
4873 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
4874 Pass it on to build_cfa_loc.
4875 (compute_frame_pointer_to_cfa_displacement): Rename to...
4876 (compute_frame_pointer_to_fb_displacement): ... this. New
4877 offset parameter. Use it in computation.
4878 (gen_subprogram_die): Compute cfa_fb_offset with the new
4879 macro, and use it to compute the fb loc list and the
4880 displacement.
4882 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
4884 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
4885 replaced with register_operand.
4886 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
4887 non-DREG is expensive.
4888 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
4889 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
4890 involving memory.
4892 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
4894 * doc/install.texi2html: Use set -e.
4896 2006-02-21 Richard Sandiford <richard@codesourcery.com>
4898 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4899 (ASM_OUTPUT_SHARED_LOCAL): Delete.
4900 * doc/invoke.texi (-fshared-data): Delete.
4901 * common.opt (fshared-data): Delete.
4902 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
4903 (assemble_static_space): Remove #if 0 code.
4904 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
4905 (ASM_OUTPUT_SHARED_LOCAL): Poison.
4906 * config/cris/cris.h: Remove FIXME.
4908 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
4910 * doc/sourcebuild.texi (Front End Directory): No more double-colon
4911 hooks.
4913 2006-02-21 Jakub Jelinek <jakub@redhat.com>
4915 PR middle-end/26379
4916 * combine.c (simplify_shift_const_1): Disable nested shifts
4917 optimization for vector shifts.
4919 2006-02-20 Roger Sayle <roger@eyesopen.com>
4921 PR tree-optimization/26361
4922 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
4923 of unsigned integer types.
4925 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
4927 * tree-chrec.c (eq_evolutions_p): New.
4928 * tree-chrec.h (eq_evolutions_p): Declared.
4929 * tree-data-ref.c: Fix formatting.
4930 (datadep_stats, dependence_stats): New.
4931 (gcd): Moved...
4932 (print_direction_vector): New.
4933 (dump_data_dependence_relation): Use print_direction_vector.
4934 (object_analysis, create_data_ref): Handle COMPONENT_REF.
4935 (compute_subscript_distance): Static.
4936 (initialize_data_dependence_relation): Static. Get the number
4937 of loops surrounding the references from the callers, and initialize
4938 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
4939 base_object_differ_p analyzers.
4940 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
4941 compute_overlap_steps_for_affine_1_2,
4942 analyze_subscript_affine_affine): Count the classified dependences.
4943 Print a message when a test failed.
4944 (can_use_analyze_subscript_affine_affine): New.
4945 (analyze_siv_subscript): Compute the data dependences on symbolic
4946 scevs that verify can_use_analyze_subscript_affine_affine.
4947 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
4948 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
4949 Handle symbolic scevs.
4950 (analyze_overlapping_iterations): Let symbolic affine scevs to be
4951 analyzed.
4952 (subscript_dependence_tester): Moved...
4953 (build_classic_dist_vector, build_classic_dir_vector): Don't use
4954 lambda_vector_clear on newly allocated vectors. Get nb_loops from
4955 DDR_SIZE_VECT instead of getting it in parameter.
4956 (subscript_dependence_tester): ... here. Take as a parameter
4957 loop_nest_depth. Call build_classic_dist_vector and
4958 build_classic_dir_vector.
4959 (compute_affine_dependence): Update subscript_dependence_tester
4960 parameters. Update datadep_stats counters. Call
4961 compute_subscript_distance.
4962 (compute_self_dependence): Save the dist and dir vectors. Call
4963 compute_subscript_distance.
4964 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
4965 (compute_all_dependences): Reorder parameters as they were before
4966 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
4967 compute_subscript_distance. Update the use of
4968 compute_affine_dependence and initialize_data_dependence_relation.
4969 (find_data_references_in_loop): Handle COMPONENT_REF.
4970 (compute_data_dependences_for_loop): Initialize dependence_stats.
4971 Don't call build_classic_dist_vector and build_classic_dir_vector.
4972 Update the parameters of initialize_data_dependence_relation and
4973 compute_all_dependences. Print the statistics from datadep_stats.
4974 (analyze_all_data_dependences): Static. Not used until the pass for
4975 checking the data dependences is contributed.
4976 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
4977 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
4978 (initialize_data_dependence_relation, compute_affine_dependence,
4979 analyze_all_data_dependences, compute_subscript_distance): Removed.
4980 (print_direction_vector): New.
4981 * lambda.h (gcd): ... here.
4982 (lambda_vector_gcd): Moved here from gcd_vector.
4983 * lambda-code.c (gcd, gcd_vector): Removed.
4984 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
4985 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
4987 2006-02-20 Diego Novillo <dnovillo@redhat.com>
4989 * ipa-type-escape.c: Tidy some comments and white space.
4990 * tree-ssa-operands.c: Likewise.
4992 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
4994 PR tree-opt/25879
4995 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
4996 (dump_decl_name): Do not walk the decl tree chains.
4997 * tree-pass.h (TDF_CHAIN): Remove.
4999 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5001 * Makefile.in (C): Remove
5002 (PROTO): Remove
5003 (.PHONY): Remove C and PROTO
5005 2006-02-20 Roger Sayle <roger@eyesopen.com>
5007 PR middle-end/26236
5008 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
5009 deprecated CHAR_TYPE tree code.
5011 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5013 * configure.ac (target_list): Add install-info, dvi, html.
5014 * configure: Regenerate.
5016 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
5017 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
5018 treelang/Make-lang.in: Do not use double-colon rules.
5020 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
5022 * tree.h (struct tree_memory_tag): Add is_used_alone member.
5023 (TMT_USED_ALONE): New macro.
5024 * tree-pass.h (PROP_tmt_usage): New property.
5025 (TODO_update_tmt_usage): New todo.
5026 * tree-ssa-alias.c (updating_used_alone): New variable.
5027 (recalculate_used_alone): New function.
5028 (compute_may_aliases): Set updating_used_alone, call
5029 recalculate_used_alone.
5030 * tree-sra.c (pass_sra): Note that this pass destroys
5031 PROP_tmt_usage, and add TODO_update_tmt_usage.
5032 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
5033 * tree-flow.h (updating_used_alone): Prototype.
5034 (recalculate_used_alone): Ditto.
5035 * passes.c (execute_todo): Add code to set updating_used_alone,
5036 and call recalculate.
5037 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
5038 for clobber if used alone, and add assert to verify used_alone
5039 status.
5041 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
5043 * config/s390/s390.c (legitimize_pic_address): Assertions checking
5044 for non tls symbols added.
5045 (legitimize_address): Do nothing for PLUS expressions if one of the
5046 addends is a tls symbol reference.
5048 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
5050 PR bootstrap/25476
5052 * Makefile.in (LDFLAGS): Define from autoconf substitution.
5054 * Makefile.in (BOOTSTRAPPING): New.
5055 (quickstrap): New definition if BOOTSTRAPPING=yes.
5057 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
5058 * configure.ac: Substitute all_selected_languages with the languages
5059 that were configured. For all the other variables except
5060 lang_specs_files, include all the languages in the tree.
5061 * configure: Regenerate.
5063 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
5064 if there is one. Run the commands to run fixincludes in the same
5065 subshell.
5067 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
5068 * doc/install.texi: Document exact conventions for searching target tools.
5069 Document --with-build-time-tools. Document toplevel bootstrap. Document
5070 something more about building an Ada cross-compiler. Don't list GNU Make
5071 requirements which affect all platforms.
5073 2006-02-19 Roger Sayle <roger@eyesopen.com>
5075 PR middle-end/19543
5076 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
5077 only equivalent if the have both the same mode and precision.
5079 2006-02-20 Ben Elliston <bje@au.ibm.com>
5081 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
5083 2006-02-19 Roger Sayle <roger@eyesopen.com>
5084 Steven Bosscher <stevenb.gcc@gmail.com>
5086 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
5087 constant pool references to identify stack mode constants.
5088 * rtlanal.c (constant_pool_constant_p): New predicate to check
5089 whether operand is a floating point constant in the pool.
5090 * rtl.h (constant_pool_constant_p): Prototype here.
5091 * loop.c (scan_loop): Avoid hoisting constants from the constant
5092 pool on STACK_REGS targets.
5093 (load_mems): Likewise.
5094 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
5095 loads into x87 registers expensive in terms of register pressure.
5097 2006-02-19 Roger Sayle <roger@eyesopen.com>
5099 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
5100 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
5102 2006-02-19 David Edelsohn <edelsohn@gnu.org>
5104 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
5105 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
5107 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
5109 * doc/invoke.texi: Document -fipa-pta.
5110 * common.opt: Add ipa-pta option.
5111 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
5112 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
5113 (do_ds_constraint): Ditto.
5114 (get_constraint_for): Only add to referenced_vars if
5115 referenced_vars exists.
5116 (insert_into_field_list): Rewrite to do this unsorted.
5117 (insert_into_field_list_sorted): Rename old insert_into_field_list
5118 to this.
5119 (create_function_info_for): Use insert_into_field_list_sorted.
5120 (create_variable_info_for): Rewrite so it uses unsorted version,
5121 since the field list is sorted.
5122 (intra_create_variable_infos): Only add to referenced_vars if
5123 referenced_vars exists.
5124 (ipa_pta_execute): Init heapvars, and delete when done.
5125 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
5127 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5129 * doc/install.texi: Add missing `@samp'.
5131 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5133 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
5134 Use the arguments.
5136 2006-02-18 Mark Wielaard <mark@klomp.org>
5138 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
5139 who added new 4.1 features, bug fixes and integration support.
5141 2006-02-18 David Edelsohn <edelsohn@gnu.org>
5143 PR target/26350
5144 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
5145 MEM for ABI_V4 pic.
5147 2006-02-18 Richard Sandiford <richard@codesourcery.com>
5149 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
5150 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
5151 (copy_insn_1): Likewise. Don't copy each field individually.
5152 Reindent.
5153 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
5154 of RTX_SIZE.
5155 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
5156 * rtl.c (rtx_size): Rename variable to...
5157 (rtx_code_size): ...this.
5158 (rtx_size): New function.
5159 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
5160 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
5161 Reindent.
5162 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
5163 * rtl.h (rtx_code_size): New variable.
5164 (rtx_size): Change from a variable to a function.
5165 (RTX_SIZE): Rename to...
5166 (RTX_CODE_SIZE): ...this.
5168 PR target/9703
5169 PR tree-optimization/17106
5170 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
5171 (Anchored Addresses): New section.
5172 * doc/invoke.texi (-fsection-anchors): Document.
5173 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
5174 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
5175 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
5176 * hooks.c (hook_bool_mode_rtx_false): New function.
5177 * hooks.h (hook_bool_mode_rtx_false): Declare.
5178 * gengtype.c (create_optional_field): New function.
5179 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
5180 SYMBOL_REF_IN_BLOCK_P is true.
5181 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
5182 (min_anchor_offset, max_anchor_offset): Likewise.
5183 (use_anchors_for_symbol_p): New hook.
5184 * toplev.c (compile_file): Call output_object_blocks.
5185 (target_supports_section_anchors_p): New function.
5186 (process_options): Check that -fsection-anchors is only used on
5187 targets that support it and when -funit-at-a-time is in effect.
5188 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
5189 if the decl doesn't have one.
5190 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
5191 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
5192 of force_const_mem through use_anchored_address.
5193 (expand_expr_constant): New function.
5194 (expand_expr_addr_expr_1): Call it. Use the same modifier when
5195 calling expand_expr for INDIRECT_REF.
5196 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
5197 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
5198 * expr.h (use_anchored_address): Declare.
5199 * loop-unroll.c: Don't declare rtx vectors here.
5200 * explow.c: Include output.h.
5201 (validize_mem): Call use_anchored_address.
5202 (use_anchored_address): New function.
5203 * common.opt (-fsection-anchors): New switch.
5204 * varasm.c (object_block_htab, anchor_labelno): New variables.
5205 (hash_section, object_block_entry_eq, object_block_entry_hash)
5206 (use_object_blocks_p, get_block_for_section, create_block_symbol)
5207 (use_blocks_for_decl_p, change_symbol_section): New functions.
5208 (get_variable_section): New function, split out from assemble_variable.
5209 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
5210 use_blocks_for_decl_p say so. Use change_symbol_section if the
5211 symbol has already been created.
5212 (assemble_variable_contents): New function, split out from...
5213 (assemble_variable): ...here. Don't output any code for
5214 block symbols; just pass them to place_block_symbol.
5215 Use get_variable_section and assemble_variable_contents.
5216 (get_constant_alignment, get_constant_section, get_constant_size): New
5217 functions, split from output_constant_def_contents.
5218 (build_constant_desc): Create a block symbol if use_object_blocks_p
5219 says so. Or into SYMBOL_REF_FLAGS.
5220 (assemble_constant_contents): New function, split from...
5221 (output_constant_def_contents): ...here. Don't output any code
5222 for block symbols; just pass them to place_section_symbol.
5223 Use get_constant_section and get_constant_alignment.
5224 (force_const_mem): Create a block symbol if use_object_blocks_p and
5225 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
5226 (output_constant_pool_1): Add an explicit alignment argument.
5227 Don't switch sections here.
5228 (output_constant_pool): Adjust call to output_constant_pool_1.
5229 Switch sections here instead. Don't output anything for block symbols;
5230 just pass them to place_block_symbol.
5231 (init_varasm_once): Initialize object_block_htab.
5232 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
5233 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
5234 (place_block_symbol, get_section_anchor, output_object_block)
5235 (output_object_block_htab, output_object_blocks): New functions.
5236 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
5237 (TARGET_ASM_OUT): Include it.
5238 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
5239 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
5240 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
5241 (TARGET_INITIALIZER): Include them.
5242 * rtl.c (rtl_check_failed_block_symbol): New function.
5243 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
5244 (block_symbol, object_block): New structures.
5245 (rtx_def): Add a block_symbol field to the union.
5246 (BLOCK_SYMBOL_CHECK): New macro.
5247 (rtl_check_failed_block_symbol): Declare.
5248 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
5249 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
5250 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
5251 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
5252 * output.h (output_section_symbols): Declare.
5253 (object_block): Name structure.
5254 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
5255 (default_use_anchors_for_symbol_p): Declare.
5256 * Makefile.in (RTL_BASE_H): Add vec.h.
5257 (explow.o): Depend on output.h.
5258 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
5259 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
5260 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
5261 (rs6000_use_blocks_for_constant_p): New function.
5263 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5265 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
5267 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
5269 PR tree-opt/25680
5270 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
5271 IMAGPART_EXPR.
5273 2006-02-18 Diego Novillo <dnovillo@redhat.com>
5275 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
5276 is_aliased.
5277 Update all users.
5279 2006-02-18 Jakub Jelinek <jakub@redhat.com>
5281 PR middle-end/26334
5282 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
5283 instead of DECL_REGISTER.
5285 2006-02-18 Olivier Hainque <hainque@adacore.com>
5287 PR ada/13408
5288 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
5290 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
5292 PR target/24837
5293 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
5294 * opth-gen.awk: Handle Var and InverseMask together.
5295 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
5296 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
5297 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
5298 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
5299 used together.
5300 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5301 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5302 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
5303 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5304 LINUX_DYNAMIC_LINKER): Define.
5305 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
5306 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
5307 TARGET_GLIBC.
5308 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5309 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
5310 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5311 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5312 (TARGET_C99_FUNCTIONS): Don't define.
5313 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
5314 GLIBC_DYNAMIC_LINKER.
5315 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
5316 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
5317 GLIBC_DYNAMIC_LINKER64): Define.
5318 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5319 LINUX_DYNAMIC_LINKER64.
5320 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5321 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5322 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
5323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5324 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5325 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5326 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
5327 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
5328 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
5329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
5330 and LINUX_DYNAMIC_LINKER32.
5331 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5332 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5333 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
5334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5335 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
5336 TARGET_GLIBC.
5337 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
5338 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
5339 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
5340 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5341 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5342 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
5343 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
5344 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
5345 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5346 LINUX_DYNAMIC_LINKER): Define.
5347 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
5348 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
5349 GLIBC_DYNAMIC_LINKER64): Define.
5350 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
5351 LINUX_DYNAMIC_LINKER64.
5352 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5353 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5354 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
5355 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
5356 LINUX_DYNAMIC_LINKER): Define.
5357 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5358 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5359 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
5360 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
5361 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
5362 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
5363 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
5364 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
5365 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
5366 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5367 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5368 * doc/invoke.texi (-muclibc): Remove caveat about supported
5369 targets.
5371 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5373 * doc/cpp.texi (__TIMESTAMP__): Document.
5375 2006-02-17 Roger Sayle <roger@eyesopen.com>
5377 PR middle-end/25600
5378 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
5379 C is one less than the width of X (and related transformations).
5380 * simplify-rtx.c (simplify_unary_operation_1): Transform
5381 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
5382 depending on STORE_FLAG_VALUE, were C is one less then the
5383 width of X.
5385 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
5387 Fix PR tree-optimization/26341
5388 * tree-ssa-operands.c (add_virtual_operand): Remove assert
5389 about NAME_MEMORY_TAG's.
5391 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5393 PR target/26255
5394 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
5395 with hardware float support, and software float support. Add fcpy
5396 alternative to hardware patterns. Add alternatives to copy between
5397 general and floating-point registers to the 32-bit pattern.
5398 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
5399 secondary reload to load a QI or HI mode constant into a floating
5400 point register.
5401 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
5402 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
5404 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
5406 PR target/26272
5407 * config/rs6000/darwin.md (load_macho_picbase_si): Add
5408 pc to the pattern.
5409 (load_macho_picbase_di): Likewise.
5411 2006-02-16 Jeff Law <law@redhat.com>
5413 * tree-vrp.c (set_value_range_to_nonnegative): New function.
5414 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
5415 (ssa_name_nonzero_p): Likewise.
5416 (get_value_range): Return NULL if VRP is not running.
5417 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
5418 VRP routines do not discover a range.
5419 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
5420 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
5421 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
5422 (tree_expr_nonnegative_p): Similarly.
5423 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
5424 (restore_nonzero_vars_to_original_value): Remove.
5425 (unsafe_associative_fp_binop): Remove.
5426 (tree_ssa_dominator_optimize): Remove initialization and
5427 finalization of nonzero_vars and nonzero_vars_stack.
5428 (dom_opt_initialize_block): No longer push marker on
5429 nonzero_vars_stack.
5430 (dom_opt_finalize_block): No longer call
5431 restore_nonzero_vars_to_original_value.
5432 (record_equivalences_from_phis): No longer look for
5433 nonzero PHI arguments.
5434 (cprop_into_successor_phis): No longer propagate nonzero
5435 property into PHI arguments. Lose unused argument. Caller
5436 updated.
5437 (record_equivalences_from_stmt): No longer record nonzero
5438 values for SSA_NAMEs.
5439 (lookup_avail_expr): No longer use nonzero_vars.
5441 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
5442 for sizetype when sizetype is unsigned.
5444 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
5446 PR rtl-optimization/25603
5447 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
5448 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
5449 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
5450 with new meaning of SETS.
5452 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
5454 PR target/20353
5455 PR target/24578
5456 PR target/24837
5457 * config/linux.opt: New file.
5458 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
5459 LINUX_DYNAMIC_LINKER): Define.
5460 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
5461 * config.gcc (*-*-linux*): Define extra_options.
5462 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
5463 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
5464 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
5465 GLIBC_DYNAMIC_LINKER.
5466 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
5467 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5468 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
5469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
5470 * doc/invoke.texi (GNU/Linux Options): New section.
5472 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5474 * config/sparc/sparc.md (setjmp): Rewrite.
5475 (setjmp_32): Delete.
5476 (setjmp_64): Likewise.
5478 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
5480 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
5481 previous change.
5483 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5485 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
5486 read-write uses.
5488 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
5490 PR rtl-optimization/26296
5491 * Makefile.in (loop-invariant.c): Add except.h dependency.
5492 * loop-invariant.c: Include except.h.
5493 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
5495 2005-02-16 Paul Brook <paul@codesourcery.com>
5497 * reload1.c (emit_reload_insns): Invalidate dead input registers used
5498 for reloads.
5500 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
5502 PR rtl-optimization/25636
5503 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
5504 when deciding whether an insn is an initializing insn.
5506 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
5508 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
5509 (tree_code_size): Ditto.
5510 * tree.h (struct tree_memory_tag): Remove parent_var.
5511 (struct tree_struct_field_tag): New.
5512 (SFT_OFFSET): New.
5513 (SFT_SIZE): New.
5514 (union tree_node): Add sft member.
5515 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
5516 specially here.
5517 (create_sft): Add size and offset argument, set SFT_OFFSET and
5518 SFT_SIZE.
5519 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
5520 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
5521 * tree-flow-inline.h (get_subvar_at): Update for
5522 SFT_OFFSET/SFT_SIZE.
5523 (var_can_have_subvars): Ditto.
5524 (overlap_subvar): Ditto.
5525 * print-tree.c (print_node): Print out interesting things for
5526 SFT's.
5527 * tree-flow.h (struct subvar): Remove offset and size members.
5528 * tree-ssa-operands.c (get_expr_operands): Update for
5529 get_indirect_ref_operands changes.
5530 (get_indirect_ref_operands): Call add_virtual_operand instead of
5531 add_stmt_operand. Only recurse on base var if requested.
5532 (access_can_touch_variable): New function.
5533 (add_stmt_operand): Split virtual operand handling into ...
5534 (add_virtual_operand): Here. Add offset, size, and for_clobber
5535 arguments. Prune alias sets.
5536 (add_call_clobber_ops): Call add_virtual_operand.
5538 2006-02-15 Jakub Jelinek <jakub@redhat.com>
5540 PR middle-end/26300
5541 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
5543 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
5544 than TREE_CODE as index into omp_clause_num_ops array.
5546 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
5548 PR rtl-optimization/26184
5549 * modulo-sched.c (generate_reg_moves): Free bitmap vector
5550 uses_of_defs.
5551 * modulo-sched.c (sms_schedule): Free g_arr pointer.
5552 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
5553 must_precede, must_follow and tobe_scheduled.
5555 PR other/26147
5556 * opts.c (common_handle_option): Free new_option pointer.
5557 * df-core.c (df_analyze): Free postorder pointer.
5559 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
5561 * Makefile.in: Fix the examples about the use of stamps
5563 2006-02-15 Michael Matz <matz@suse.de>
5565 PR middle-end/22275
5567 * stor-layout.c (layout_decl): Zero-width bitfields aren't
5568 influenced by maximum_field_alignment or DECL_PACKED.
5569 (update_alignment_for_field): Ditto.
5570 (place_field): Ditto.
5571 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
5572 this behaviour.
5574 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
5576 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
5577 (debug_flow_info): Pass it.
5578 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
5579 * bb-reorder.c (reorder_basic_blocks): Likewise.
5580 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
5581 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
5582 * flow.c (life_analysis, recompute_reg_usage): Likewise.
5583 * gcse.c (gcse_main, bypass_jumps): Likewise.
5584 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
5585 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
5586 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
5587 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
5588 * rtl.h (dump_flow_info): Adjust prototype.
5589 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
5590 * var-tracking.c (variable_tracking_main): Likewise.
5591 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
5592 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
5593 options.
5595 2006-02-15 Marcin Dalecki <martin@dalecki.de>
5597 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
5598 construction.
5600 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5602 PR tree-optimization/26209
5603 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
5604 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
5605 eh edges.
5606 * tree-cfg.c (replace_uses_by): Do not alter cfg.
5608 2006-02-14 Roger Sayle <roger@eyesopen.com>
5610 PR middle-end/23670
5611 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
5612 (X,Y) and the corresponding symmetry related transformations.
5613 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
5614 (X,Y) and its symmetry related transformations.
5616 2006-02-14 Roger Sayle <roger@eyesopen.com>
5618 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
5619 and GEU.
5621 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
5623 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
5625 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5627 PR bootstrap/26053
5628 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
5629 support COMDAT group.
5630 * configure: Regenerate.
5632 2006-02-14 Roger Sayle <roger@eyesopen.com>
5634 PR middle-end/26279
5635 PR middle-end/26280
5636 PR middle-end/26283
5637 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
5639 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
5641 Fix PR tree-optimization/26260
5643 * doc/invoke.texi (max-fields-for-field-sensitive): Document
5644 param.
5645 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
5646 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
5647 * tree-ssa-structalias.c (create_variable_info_for): Use
5648 MAX_FIELDS_FOR_FIELD_SENSITIVE.
5650 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
5652 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
5653 Document.
5654 * tree-ssa-loop-niter.c (number_of_iterations_ne,
5655 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
5656 of the ending condition.
5657 * tree-ssa-loop-manip.c: Include params.h.
5658 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
5659 tree_unroll_loop): New functions.
5660 * tree-pass.h (pass_loop_prefetch): Declare.
5661 * loop.c (rest_of_handle_loop_optimize): Test for
5662 -fprefetch-loop-arrays-rtl.
5663 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
5664 * timevar.def (TV_TREE_PREFETCH): New timevar.
5665 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
5666 pass_loop_prefetch): New.
5667 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
5668 (cleanup_tree_cfg_loop): Call scev_reset.
5669 * common.opt (fprefetch-loop-arrays-rtl): Add.
5670 * tree-ssa-loop-prefetch.c: New file.
5671 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
5672 (new_temp_expr_table): Initialize expr_vars.
5673 (free_temp_expr_table): Cleanup expr_vars.
5674 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
5675 expressions from being merged into one.
5676 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
5677 (struct tree_niter_desc): Add control, bound and cmp fields.
5678 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
5679 Declare.
5680 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
5681 (tree-cfgcleanup.o): Add SCEV_H dependency.
5682 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
5683 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
5685 2006-02-14 Richard Guenther <rguenther@suse.de>
5687 PR tree-optimization/26258
5688 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
5689 in PHI argument processing.
5691 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
5693 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
5694 new expression in the requested machine mode.
5696 2006-02-13 Roger Sayle <roger@eyesopen.com>
5698 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
5699 directly, instead let do_compare_rtx_and_jump handle this for us.
5700 * expr.c (expand_expr_real_1): Likewise.
5701 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
5702 before do_jump_by_parts_greater.
5703 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
5704 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
5706 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5708 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
5710 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5712 PR rtl-optimization/26235
5713 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
5714 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
5715 format.
5717 2006-02-13 Jeff Law <law@redhat.com>
5719 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
5720 TRUTH_XOR_EPR.
5722 2006-02-13 Jakub Jelinek <jakub@redhat.com>
5724 PR middle-end/26092
5725 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
5726 twice if decl is a builtin. When trying again, call get_callee_fndecl
5727 first to verify it is still a builtin.
5729 2006-02-13 Geoffrey Keating <geoffk@apple.com>
5731 * dwarf2out.c (base_type_die): Don't add AT_name here.
5732 (subrange_type_die): Don't add AT_name here.
5733 (modified_type_die): Rearrange code flow. Do add AT_name here.
5735 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
5737 PR rtl-optimization/26247
5738 PR rtl-optimization/26248
5739 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
5741 2006-02-13 Richard Sandiford <richard@codesourcery.com>
5743 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
5744 * config/fixtfdi.c: Likewise.
5745 * config/fixunstfdi.c: Likewise.
5746 * config/floatditf.c: Likewise.
5748 2006-02-13 Roger Sayle <roger@eyesopen.com>
5750 PR middle-end/24427
5751 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
5752 into (X,C2) if C1 is a subset of the bits of C2. Transform
5753 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
5754 (X&(C1&~C2))|C2.
5755 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
5757 2006-02-13 Josh Conner <jconner@apple.com>
5759 PR target/25376
5760 * varasm.c (function_section): Check for section name before
5761 calling select_section on targets that define
5762 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
5763 unlikely_text_section instead of hot_function_section if
5764 first_function_block_is_cold.
5766 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
5768 PR middle-end/25335
5769 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
5771 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5773 PR rtl-optimization/26222
5774 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
5775 after tree->rtl expansion.
5776 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
5777 before passing it to emit_move_insn.
5779 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
5781 * doc/invoke.texi (-Write-strings): Document that it is enabled by
5782 default.
5783 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
5784 Clarify documentation.
5785 * c-common.h (warn_write_strings): Remove.
5786 * c-common.c (warn_write_strings): Likewise.
5787 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
5788 default for C++.
5790 2006-02-12 Roger Sayle <roger@eyesopen.com>
5792 PR middle-end/25724
5793 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
5794 (do_jump_parts_zero_rtx): New function renamed from
5795 do_jump_parts_equality_rtx. Made static. Add a mode argument.
5796 (do_jump_parts_equality_rtx): New function split out from
5797 do_jump_parts_equality. Old implementation renamed as above.
5798 Call do_jump_parts_zero_rtx if either operand is zero.
5799 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
5800 do all of the heavy lifting.
5801 (do_compare_rtx_and_jump): Handle multi-word comparisons by
5802 calling either do_jump_by_parts_greater_rtx or
5803 do_jump_by_parts_equality_rtx.
5804 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
5805 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
5806 moved to do_compare_rtx_and_jump, call it directly.
5807 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
5808 mode argument. Call do_compare_rtx_and_jump.
5809 (emit_case_nodes): Update calls to do_jump_if_equal.
5811 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5813 PR rtl-optimization/26225
5814 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
5816 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
5818 PR rtl-optimization/26232
5819 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
5821 2006-02-11 Jason Merrill <jason@redhat.com>
5823 PR tree-opt/24365
5824 * tree-inline.c (declare_return_variable): Just don't use the
5825 modify target if it's a gimple complex reg and the return slot
5826 isn't.
5828 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5830 * doc/contrib.texi: Update my entry.
5832 2006-02-10 Geoffrey Keating <geoffk@apple.com>
5834 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
5836 2006-02-10 Diego Novillo <dnovillo@redhat.com>
5838 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
5839 expensive.
5841 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
5843 * doc/invoke.texi (-floop-optimize2): Removed.
5844 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
5845 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
5846 Test flag_branch_on_count_reg only if HAVE_doloop_end.
5847 * common.opt (floop-optimize2): Removed.
5848 (fmove-loop-invariants): Enabled by default.
5850 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
5852 * tree-if-conv.c (combine_blocks): Free the result of
5853 get_loop_exit_edges.
5855 2006-02-10 Jeff Law <law@redhat.com>
5857 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
5859 PR tree-optimization/26213
5860 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
5861 loop trying to follow SSA_NAME_VALUE chains.
5863 2006-02-10 Richard Guenther <rguenther@suse.de>
5865 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
5866 deal with structures that end in implicitly variable sized arrays.
5868 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5870 PR rtl-optimization/24762
5871 * df-scan.c (df_bb_refs_record): Record correct registers defined on
5872 eh edges.
5874 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
5876 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
5877 (struct ivopts_data): Add regs_used field.
5878 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
5879 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
5880 instead of loop_data->regs_used;
5881 (free_loop_data): Do not free aux fields for loops.
5882 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
5883 and tree_ssa_iv_optimize_finalize.
5885 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
5887 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
5889 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5891 PR target/26141
5892 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
5893 computing the effective result type.
5895 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
5897 PR inline-asm/16194
5898 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
5899 (tree_overlaps_hard_reg_set): Declare.
5900 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
5901 type and signature to match function type expected by walk_tree.
5902 (tree_overlaps_hard_reg_set): New function.
5903 (decl_conflicts_with_clobbers_p): Rename to:
5904 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
5905 Use tree_overlaps_hard_reg_set. Changed caller.
5906 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
5907 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
5908 * cris.c (cris_md_asm_clobbers): Likewise.
5910 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
5912 * reload1.c (emit_input_reload_insns): Delete code that tries to
5913 inherit using find_equiv_reg.
5915 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
5917 * c-common.h (flag_const_strings): Don't declare.
5918 * c-common.c (flag_const_strings): Remove.
5919 * c.opt (fconst_strings): Remove.
5920 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
5921 <OPT_Wwrite_strings>: Don't set flag_const_strings.
5922 (c_common_init_options): Don't set flag_const_strings.
5923 * doc/invoke.texi (-fno-const-strings): Remove documentation.
5925 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
5927 * arm.md (tlobits_cbranch): New pattern.
5928 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
5929 testing a single bit.
5931 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5933 PR tree-opt/26179
5934 * tree-ssa-pre.c (create_component_ref_by_pieces):
5935 Handle RETURN_DECL like VAR_DECL.
5937 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5939 PR middle-end/26134
5940 * fold-const.c (fold_indirect_ref_1): Fold
5941 "*(foo *)&complexfoo" to "__real__ complexfoo"
5942 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
5944 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
5946 * tree-flow-inline.h (var_can_have_subvars):
5947 Volatile variables should not have subvariables.
5949 2006-02-09 Diego Novillo <dnovillo@redhat.com>
5951 PR 26180
5952 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
5953 multiplying unsigned values.
5954 Tidy comments.
5956 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
5958 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
5960 2006-02-08 Jason Merrill <jason@redhat.com>
5962 PR c++/25979
5963 * tree.def: Elaborate on difference from MODIFY_EXPR.
5964 * doc/c-tree.texi (INIT_EXPR): Likewise.
5965 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
5966 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
5967 (gimplify_target_expr): Likewise.
5968 (gimplify_cond_expr): Remove target handling.
5969 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
5970 (gimplify_expr): Clobber it here.
5971 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
5972 Do return slot optimization if we have an INIT_EXPR.
5974 PR tree-opt/24365
5975 * tree-inline.c (declare_return_variable): Also clear
5976 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
5978 PR c++/16405
5979 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
5981 PR middle-end/22439
5982 * gimplify.c (gimplify_one_sizepos): Fix typo.
5984 2006-02-08 Jeff Law <law@redhat.com>
5986 PR tree-optimization/21417
5987 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
5988 across a backedge if the control statement at the end of the
5989 block is data dependent on other statements in the same block.
5990 (record_temporary_equivalences_from_stmts): Remove over-conservative
5991 test for threading across backedges.
5993 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
5994 control statement, handle all three special cases in the same
5995 manner as they all have the same desired solution. No longer
5996 special case edge flag updating when the post dominator is
5997 the exit block.
5999 2006-02-08 Roger Sayle <roger@eyesopen.com>
6001 * tree.def (CHAR_TYPE): Remove.
6002 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
6003 * dwarf2out.c (base_type_die, is_base_type): Likewise.
6004 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
6005 (gen_string_type_die): Delete unreachable function.
6007 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
6008 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
6009 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
6010 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
6011 * builtins.c (type_to_class): Likewise.
6012 * fold-const.c (fold_convert, build_range_check,
6013 merge_ranges): Likewise.
6014 * expr.c (count_type_elements): Likewise.
6015 * c-pretty-print.c (pp_c_type_specifier): Likewise.
6016 * stor-layout.c (layout_type): Likewise.
6017 * ipa-type-escape.c (type_to_consider): Likewise.
6018 * gimplify.c (omp_firstprivatize_type_sizes,
6019 gimplify_type_sizes): Likewise.
6020 * explow.c (promote_mode): Likewise.
6021 * tree-sra.c (is_sra_scalar_type): Likewise.
6022 * varasm.c (output_constant): Likewise.
6023 * tree-inline.c (remap_type_1): Likewise.
6024 * convert.c (convert_to_pointer, convert_to_real,
6025 convert_to_integer, convert_to_complex): Likewise.
6027 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
6029 * df-scan.c (df_def_record_1): A set destination may
6030 be a parallel regardless of mode.
6032 2006-02-08 Roger Sayle <roger@eyesopen.com>
6034 PR target/22209
6035 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
6036 * config/mips/_tilib.c: Remove.
6037 * config/fixtfdi.c: New libgcc source file.
6038 * config/fixunstfdi.c: New source file.
6039 * config/floatditf.c: New source file.
6040 * config/floatunditf.c: New souce file.
6041 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6042 files above instead of config/mips/_tilib.c.
6043 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6045 2006-02-08 Jeff Law <law@redhat.com>
6047 PR tree-optimization/26169
6048 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
6049 threading jumps.
6051 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
6053 * df.h (DF_REG_SIZE): Return the length of the initialized
6054 part of the array.
6056 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
6058 * gcc/config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
6059 __muldf3): Return a correctly signed zero.
6061 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
6063 * passes.c (register_one_dump_file): Accept the current properties
6064 instead of pass number. Adjust call to dump_register. Remove
6065 duplicated code.
6066 (register_dump_files): Now a wrapper around...
6067 (register_dump_files_1): ... this one. Do not modify the pass
6068 structure.
6069 (next_pass_1): Cosmetic fix.
6070 (execute_todo): Keep second parameter only. Use curr_properties
6071 instead of fetching it from the pass structure. Check and set
6072 last_verified.
6073 (execute_one_pass): Handle TODO_set_props. Use curr_properties
6074 instead of fetching it from the pass structure. Fix calls to
6075 execute_todo. Update curr_properties and initialize .vcg RTL dump
6076 after running the pass. Reset last_verified.
6077 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
6078 at the beginning.
6079 (FIRST_AUTO_NUMBERED_DUMP): New.
6080 (dump_register): Remove "num" parameter, assign it within the
6081 function.
6082 (get_dump_file_name): Modify template for dumps.
6083 * tree-dump.h (dump_register): Adjust prototype.
6084 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
6085 (PROP_trees): Add PROP_gimple_lomp.
6086 (TODO_set_props): New.
6087 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
6088 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
6089 * cfgexpand.c (pass_expand): Destroy PROP_trees.
6091 2006-02-08 Jakub Jelinek <jakub@redhat.com>
6093 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
6094 (sparc64-*-linux*): Likewise.
6095 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
6096 * config/sparc/t-linux: New file.
6097 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
6098 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
6099 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
6100 -m32 -mlong-double-128.
6102 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
6103 * config/alpha/t-linux: New file.
6104 * config/alpha/libgcc-alpha-ldbl.ver: New file.
6106 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
6107 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
6108 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
6109 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
6110 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
6111 (CPP_ARCH32_SPEC): Remove.
6113 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
6115 PR tree-optimization/26145
6116 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
6117 bbs pointer.
6119 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6121 PR target/26109
6122 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
6123 >= 240000 when generating code for SOM runtime.
6124 (output_indirect_call): Don't use "b,l" instruction for indirect calls
6125 to $$dyncall when generating code for SOM runtime..
6127 2006-02-07 Dirk Mueller <dmueller@suse.com>
6129 PR c++/18150
6130 * doc/invoke.texi (-Wsequence-point): Update documentation
6131 that -Wsequence-point is implemented for C++ as well.
6133 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6135 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
6136 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
6137 (LIB_SPEC): Likewise.
6138 * doc/invoke.texi (SPARC options): Document -pthread.
6140 2006-02-07 Geoffrey Keating <geoffk@apple.com>
6142 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
6143 PIC addresses.
6145 2006-02-07 Roger Sayle <roger@eyesopen.com>
6147 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
6148 Correct comment describing BOOLEAN_TYPE.
6150 2006-02-07 Dirk Mueller <dmueller@suse.com>
6152 * c.opt: C++ frontend supports -Wdiv-by-zero.
6153 * c-opts.c (c_common_handle_option): Remove dead case.
6155 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6157 * configure.ac (TLS assembler check): Do not enable TLS by
6158 default on SPARC/Solaris before version 10.
6159 * configure: Regenerate.
6161 2006-02-07 David Edelsohn <edelsohn@gnu.org>
6163 * doc/invoke.texi (xl-compat): Document conversion and support
6164 routine names.
6166 2006-02-07 Jeff Law <law@redhat.com>
6168 * tree-vrp.c (find_conditional_asserts): Update comments.
6169 (simplify_stmt_for_jump_threading): New.
6170 (identify_jump_threads, finalize_jump_threads): New.
6171 (vrp_finalize): Call identify_jump_threads.
6172 (execute_vrp): Call finalize_jump_threads.
6173 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
6174 (vrp_element, vrp_data, vrp_element_p): Remove.
6175 (vrp_hash_elt, vrp_variables_stack): Remove.
6176 (vrp_hash, vrp_eq, record_range): Remove.
6177 (simplify_cond_and_lookup_avail_expr): Remove.
6178 (extract_range_from_cond): Remove.
6179 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
6180 (simplify_stmt_for_jump_threading): New.
6181 (dom_thread_across_edge): New wrapper.
6182 (tree_ssa_dominator_optimize): No longer initialize or
6183 finalize any of the VRP datastructures. Remove iteration
6184 step and simplify as a result of removal of iteration step.
6185 (pass_dominator): Perform a cfg cleanup after DOM.
6186 (dom_opt_finalize_block): Use the new common routines
6187 for threading jumps. Simplify stack management slightly.
6188 No longer need to unwind VRP state.
6189 (record_equivalences_from_incoming_edge): No longer record
6190 VRP information.
6191 (eliminate_redundant_computations): No longer call
6192 simplify_cond_and_lookup_avail_expr.
6193 * tree-flow.h (potentially_threadable_block): Prototype.
6194 (thread_across_edge): Likewise.
6195 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
6196 (tree-ssa-threadedge.o): Add dependencies.
6197 * tree-ssa-threadedge.c: New file.
6198 * passes.c (init_optimization_passes): Merge PHIs before
6199 calling VRP. Run VRP again late in the SSA optimization pipeline.
6201 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
6203 * df-core.c (df_set_blocks): Do not dereference function pointers.
6204 (df_finish1): Likewise.
6205 (df_hybrid_search_forward): Likewise.
6206 (df_hybrid_search_backward): Likewise.
6207 (df_iterative_dataflow): Likewise.
6208 (df_analyze_problem): Likewise.
6209 (df_compact_blocks): Likewise.
6210 (df_dump): Likewise.
6211 * df-scan.c (df_rescan_blocks): Likewise.
6212 (df_record_entry_block_defs): Likewise.
6214 * genconditions.c (write_conditions): Guard the definition of
6215 'insn_conditions' with the check on GCC version.
6216 (write_writer): Guard the traversal 'insn_conditions' with
6217 the check on GCC version.
6219 2006-02-07 Richard Guenther <rguenther@suse.de>
6221 PR c++/26140
6222 Revert
6223 2006-01-30 Richard Guenther <rguenther@suse.de>
6224 PR c++/23372
6225 * gimplify.c (gimplify_target_expr): Handle easy cases
6226 without creating a temporary.
6228 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
6230 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
6231 use of float in probability computations. Use edge probabilities
6232 in place of statically computed probabilities.
6233 (min_spec_prob): New static variable.
6234 (schedule_insns): Initialize it.
6235 (GET_SRC_PROB): Removed.
6236 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
6238 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
6240 PR debug/24444
6241 * config/ia64/unwind-ia64.c: Revert last change.
6242 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
6243 (INCOMING_FRAME_SP_OFFSET): Define.
6245 2006-02-06 Roger Sayle <roger@eyesopen.com>
6247 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
6249 2006-02-07 Ben Elliston <bje@au.ibm.com>
6251 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
6252 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
6253 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
6254 (ix86_return_in_memory): Handle TDmode.
6255 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
6256 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
6258 2006-02-06 Richard Sandiford <richard@codesourcery.com>
6260 * reorg.c (dbr_schedule): Use dump_file instead of file.
6262 2006-02-06 Steve Ellcey <sje@cup.hp.com>
6264 PR target/25917
6265 * config/ia64/predicates.md (extr_len_operand): New predicate.
6266 * config/ia64/ia64.md (extv): Tighten constraints.
6267 (extzv): Ditto.
6268 (*tbit_and_2): Ditto.
6269 (*tbit_and_3): Ditto.
6270 (*tbit_or_2): Ditto.
6271 (*tbit_or_3): Ditto.
6272 (*bit_zero): Ditto.
6273 (*bit_one): Ditto.
6275 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
6277 PR target/23359
6278 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
6280 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
6282 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
6283 loop_optimizer_init and loop_optimizer_finalize
6284 * tree-ssa-sink.c (execute_sink_code): Ditto.
6285 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
6286 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
6287 tree_ssa_loop_done): Ditto.
6288 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
6289 * sched-ebb.c: Include output.h.
6290 (schedule_ebbs): Do not use dump argument.
6291 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
6292 * loop.c (loop_dump_stream): Removed.
6293 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
6294 argument.
6295 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
6296 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
6297 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
6298 loop_iterations, strength_reduce, record_biv, record_giv,
6299 final_giv_value, check_final_value, check_ext_dependent_givs,
6300 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
6301 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
6302 dump_file instead of loop_dump_stream.
6303 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
6304 argument dump_file.
6305 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
6306 dump argument.
6307 * flow.c (life_analysis, rest_of_handle_life): Ditto.
6308 * haifa-sched.c: Include output.h
6309 (schedule_insns, sched_init): Do not use dump argument.
6310 * mode-switching.c (optimize_mode_switching): Ditto.
6311 * modulo-sched.c (stats_file): Removed.
6312 (print_node_sched_params): Do not call argument dump_file.
6313 (sms_schedule_by_order, loop_canon_p, sms_schedule,
6314 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
6315 of stats_file.
6316 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
6317 use dump argument.
6318 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
6319 rtl_loop_init, rtl_loop_done): Ditto.
6320 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
6321 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
6322 Ditto.
6323 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
6324 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
6325 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
6326 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
6327 * emit-rtl.c (renumber_insns): Ditto.
6328 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
6329 expand_gimple_basic_block, tree_expand_cfg): Ditto.
6330 * regclass.c (regclass): Ditto.
6331 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
6332 remove_ssa_form, rewrite_out_of_ssa): Ditto.
6333 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
6334 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
6335 Ditto.
6336 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
6337 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
6338 to regclass.
6339 * gcse.c (gcse_file, debug_stderr): Removed.
6340 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
6341 rest_of_handle_gcse): Do not use dump argument.
6342 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
6343 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
6344 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
6345 compute_code_hoist_vbeinout, compute_code_hoist_data,
6346 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
6347 compute_store_table, build_store_vectors, insert_insn_start_bb,
6348 insert_store, remove_reachable_equiv_notes, replace_store_insn,
6349 store_motion): Use dump_file instead of gcse_file.
6350 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
6351 * profile.c (profile_dump_file): Removed.
6352 (branch_prob): Use dump_file instead of profile_dump_file.
6353 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
6354 dump_file.
6355 * tree-ssa-copy.c (dump_copy_of): Ditto.
6356 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
6357 dump file to life_analysis.
6358 * bt-load.c (branch_target_load_optimize): Ditto.
6359 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
6360 renumber_insns.
6361 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
6362 regclass, dbr_schedule): Declaration changed.
6363 * sched-int.h (sched_init): Declaration changed.
6364 * tree-profile.c (tree_profile_dump_file): Removed.
6365 (tree_profile_hooks): Removed profile_dump_file hook.
6366 * rtl-profile (rtl_profile_dump_file): Removed.
6367 (rtl_profile_hooks): emoved profile_dump_file hook.
6368 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
6369 changed.
6370 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
6371 * tree-cfg.c (build_tree_cfg): Ditto.
6372 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
6373 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
6374 Declaration changed.
6375 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
6376 life_analysis and schedule_insns.
6377 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
6378 life_analysis.
6379 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
6380 dbr_schedule.
6381 * config/mips/mips.c (mips_reorg): Ditto.
6382 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
6383 schedule_ebbs.
6385 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
6387 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6388 (s390_mangle_fundamental_type): New.
6389 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6390 Define.
6392 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6393 (alpha_mangle_fundamental_type): New.
6394 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6395 Define.
6397 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6398 Define.
6399 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
6400 Define.
6401 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
6402 (sparc_mangle_fundamental_type): New.
6404 2006-02-06 Jakub Jelinek <jakub@redhat.com>
6406 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
6407 (s390x-*-linux*): Likewise.
6408 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
6409 * config/s390/t-linux: New file.
6411 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6413 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
6414 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
6416 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
6418 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
6419 (ANTIC_SAFE_LOADS): New macro.
6420 (find_or_generate_expression): Add prototype.
6421 (set_contains_value): Allow null set for sake of not always having
6422 to allocate ANTIC_SAFE_LOADS.
6423 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
6424 Allow COMPONENT_REF too.
6425 (valid_in_set): Allow COMPONENT_REF.
6426 Check ANTIC_SAFE_LOADS too.
6427 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
6428 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
6429 rename.
6430 (can_PRE_operation): Add COMPONENT_REF.
6431 (create_component_ref_by_pieces): New function.
6432 (create_expression_by_pieces): Use create_component_ref_by_pieces.
6433 (insert_aux): Move AGGREGATE_TYPE_P check here.
6434 (compute_avail): Set bb local stmt uids.
6435 (pass_pre): Use TODO_update_ssa_only_virtuals.
6437 2006-02-06 Ben Elliston <bje@au.ibm.com>
6439 * configure.ac: Unconditionally disable decimal float by default.
6440 * configure: Regenerate.
6442 2006-02-06 Ben Elliston <bje@au.ibm.com>
6444 * read-rtl.c (read_name): Terminate reading on EOF.
6446 2006-02-06 Ben Elliston <bje@au.ibm.com>
6448 * dfp.c (decimal_real_arithmetic): Change second argument type
6449 from int to enum tree_code. Do not always return true, but now
6450 return result of any call to decimal_do helper functions.
6451 * dfp.h (decimal_real_arithmetic): Update prototype.
6453 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
6455 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
6457 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
6459 PR tree-opt/25251
6460 * tree-cfg.c (cleanup_dead_labels): Also don't remove
6461 forced labels.
6463 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6465 * tree-vrp.c (cfg_loops): Removed.
6466 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
6467 Use current_loops instead of cfg_loops. Pass flags to
6468 loop_optimizer_init.
6469 * cfgloopmanip.c (fix_loop_structure): Update only available
6470 information.
6471 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
6472 loop_optimizer_init.
6473 * modulo-sched.c (build_loops_structure): Removed.
6474 (sms_schedule): Use loop_optimizer_init.
6475 * loop-init.c (loop_optimizer_init): Use flags to determine
6476 which properties of loops to prepare.
6477 (rtl_loop_init): Pass flags to loop_optimizer_init.
6478 * tree-ssa-sink.c (execute_sink_code): Ditto.
6479 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
6480 * tree-ssa-pre.c (init_pre): Ditto.
6481 * cfgloop.h (LOOPS_NORMAL): New.
6482 (loop_optimizer_init): Declaration changed.
6484 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6486 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
6487 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
6488 pa/t-pa.
6489 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
6490 pa/t-pa.
6491 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
6492 pa/x-ada.
6493 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
6494 * pa/t-pa64: Delete quadlib.c rule.
6495 * pa/x-ada: Revert last change.
6496 * pa/t-pa: Revert last change. Delete quadlib.c rule.
6498 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
6500 PR rtl-optimization/26087
6501 * rtlanal.c (canonicalize_condition): Do not cross basic block
6502 boundaries.
6504 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
6506 PR debug/24444
6507 * config/ia64/ia64.c: Include debug.h.
6508 (MAX_ARTIFICIAL_LABEL_BYTES): New.
6509 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
6510 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
6511 (process_epilogue, process_set, process_for_unwind_directive):
6512 Output unwind info only if requested. Add CFA info if requested.
6513 Add new arguments as needed. Adjust callers.
6514 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
6515 incorrect default.
6516 (DWARF2_FRAME_INFO): Define to zero.
6517 * config/ia64/unwind-ia64.c: Remove code that compensated for
6518 the CFA offset error fixed above.
6519 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
6520 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
6521 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
6522 -funwind-tables and -fexceptions to enable frame info.
6523 (dwarf2out_frame_init): Define initial CFA even if
6524 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
6525 DWARF2_UNWIND_INFO is nonzero, not just defined.
6526 (dwarf2out_frame_finish): Output non-EH call frame info only
6527 if DWARF2_FRAME_INFO is nonzero.
6528 (convert_cfa_to_loc_list,
6529 compute_frame_pointer_to_cfa_displacement): Define even if
6530 unwind info is not supported.
6531 (gen_subprogram_die): Use the above unconditionally. Remove
6532 legacy alternate code.
6533 * toplev.c (compile_file): Compile in call to
6534 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
6535 (lang_dependent_init): Ditto for dwarf2out_frame_init.
6537 2006-02-04 David Edelsohn <edelsohn@gnu.org>
6538 Jakub Jelinek <jakub@redhat.com>
6540 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
6541 IBM extended float format long double as "g" on powerpc*-linux.
6543 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6545 PR target/25926
6546 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
6547 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
6549 2006-02-03 Jason Merrill <jason@redhat.com>
6551 PR c++/25979
6552 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
6554 PR middle-end/25977
6555 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
6556 on the return slot if it's an NRV.
6558 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
6560 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
6561 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
6562 rewrite_use): Do not handle USE_OUTER.
6563 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
6564 add_iv_outer_candidates, may_replace_final_value,
6565 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
6566 (find_interesting_uses_op): Functionality of
6567 find_interesting_uses_outer_or_nonlin moved here.
6568 (find_interesting_uses_outside): Use find_interesting_uses_op.
6570 2006-02-03 Alan Modra <amodra@bigpond.net.au>
6572 PR target/25960
6573 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
6575 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
6576 Ulrich Weigand <uweigand@de.ibm.com>
6578 PR target/25864
6579 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
6580 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
6581 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
6582 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
6583 and dxr fields.
6584 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
6585 (s390_rtx_costs): Use the new fields to calculate rtx costs.
6586 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
6587 Define secondary reloads for TFmode moves.
6588 (constant_modes): Add TFmode.
6589 (NR_C_MODES): Set to 8.
6590 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
6591 builtin define.
6592 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
6593 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
6594 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
6595 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
6596 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
6597 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
6598 (FPR mode macro): Add TFmode.
6599 (DSF mode macro): New.
6600 (<de>, <dee> mode attributes): Removed.
6601 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
6602 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
6603 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
6604 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
6605 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
6606 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
6607 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
6608 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
6609 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
6610 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
6611 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
6612 "*negabs<mode>2", "sqrt<mode>2"):
6613 Changed <de> to <xde>. R constraint replaced by <Rf>.
6614 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
6615 <Rf>.
6616 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
6617 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
6618 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
6619 splitters.
6620 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
6621 "extenddftf2", "extendsftf2"): New expanders.
6622 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
6623 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
6624 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
6625 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
6626 New options.
6627 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
6628 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
6629 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
6630 __floatditf): Add a GCC_4.1.0 symbol version tag.
6631 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
6632 the new options.
6634 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
6636 PR target/25377
6637 * config/i386/i386.c (ix86_function_ok_for_sibcall):
6638 Use targetm.binds_local_p instead of TREE_PUBLIC.
6640 2006-02-02 Roger Sayle <roger@eyesopen.com>
6642 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
6643 on INTEGER_TYPEs to indicate that it denotes a character type.
6644 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
6645 signed_char_type_node, unsigned_char_type_node and char_type_node.
6646 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
6647 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
6648 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
6650 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
6651 Daniel Berlin <dberlin@dberlin.org>
6653 * tree-tailcall.c (arg_needs_copy_p): New function.
6654 (eliminate_tail_call): Use arg_needs_copy_p.
6655 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
6656 (add_virtual_phis): New function.
6658 2006-02-02 Jakub Jelinek <jakub@redhat.com>
6660 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
6661 #ignore instead of #scratch for %g7 .register directive.
6663 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
6665 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
6666 object files.
6668 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
6670 * flow.c (calculate_global_regs_live): Assert that there aren't any
6671 EDGE_FAKE edges.
6673 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
6675 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
6676 what its name says.
6677 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
6678 bsi_after_labels iterator.
6679 * tree-if-conv.c (find_phi_replacement_condition,
6680 replace_phi_with_cond_modify_expr): Likewise.
6681 * tree-scalar-evolution.c (scev_const_prop): Likewise.
6682 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
6684 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6686 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
6688 2006-02-02 Diego Novillo <dnovillo@redhat.com>
6690 PR 25990
6691 * tree-cfg.c (move_block_to_fn): Clear out the basic block
6692 array after growing it.
6694 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6696 PR middle-end/24901
6697 * fold-const.c (fold_checksum_tree): Change type of buf.
6699 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
6701 * reload.c (push_secondary_reload): Initialize t_icode.
6703 2006-02-01 Jakub Jelinek <jakub@redhat.com>
6705 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
6706 -msoft-float -mlong-double-128 only issue a warning, but don't
6707 swich to DFmode long double.
6709 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
6711 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
6712 has a constant equivalent, iterate over equivalents for arg0,
6713 calling simplify_relational_operation and if there's a result
6714 cheaper than X, apply fold_rtx and return the result.
6716 2006-02-01 Jan Hubicka <jh@suse.cz>
6718 * opts.c (no_unit_at_a_time_default): New global variable.
6719 (decode_options): Use it.
6720 * opts.h (no_unit_at_a_time_default): Declare.
6722 2006-02-01 Paul Brook <paul@codesourcery.com>
6724 * function.c (assign_parm_setup_reg): Use function argument promotion
6725 rules.
6726 * expr.c (expand_expr_real_1): Use function argument promotion rules
6727 for PARM_DECLs.
6729 2006-02-01 Steve Ellcey <sje@cup.hp.com>
6731 * gcc.c (process_command): Change j to 'unsigned int'.
6733 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6735 PR middle-end/26001
6736 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
6737 Use the corrected index for the character
6738 out of the string constant.
6740 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6742 * mode-switching.c (optimize_mode_switching): Fix size
6743 allocated for bb_info[n_entities].
6745 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
6747 * gcc.c (main): Correct type that is allocated for
6748 explicit_link_files.
6750 2006-01-31 Jakub Jelinek <jakub@redhat.com>
6752 * config/s390/s390.c (init_alignment_context): Set
6753 ALIAS_SET_MEMORY_BARRIER on the MEM.
6754 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
6756 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
6758 PR middle-end/25933
6759 * loop-unroll.c (unroll_loop_runtime_iterations): Free
6760 dom_bbs pointer.
6761 * tree-ssa-live.c (type_var_init): Allocate bitmap after
6762 call to tpa_init.
6764 2006-01-31 Marcin Dalecki <martin@dalecki.de>
6766 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
6767 * regrename.c: Ditto.
6768 * tree-ssa-loop-im.c: Ditto.
6769 * tree-dump.c: Ditto.
6770 * tree-complex.c: Ditto.
6771 * genrecog.c: Ditto.
6772 * tree-ssa-threadupdate.c: Ditto.
6773 * tracer.c: Ditto.
6774 * java/class.c: Ditto.
6775 * java/jcf-parse.c: Ditto.
6776 * java/resource.c: Ditto.
6777 * java/except.c: Ditto.
6778 * java/jvspec.c: Ditto.
6779 * java/jcf-write.c: Ditto.
6780 * java/jcf-path.c: Ditto.
6781 * java/gjavah.c: Ditto.
6782 * java/zextract.c: Ditto.
6783 * java/jcf-io.c: Ditto.
6784 * java/jcf.h: Ditto.
6785 * java/buffer.c: Ditto.
6786 * java/lang.c: Ditto.
6787 * java/parse-scan.y: Ditto.
6788 * java/lex.c: Ditto.
6789 * java/lex.h: Ditto.
6790 * cfgloopmanip.c: Ditto.
6791 * postreload-gcse.c: Ditto.
6792 * tree-ssa-loop-manip.c: Ditto.
6793 * postreload.c: Ditto.
6794 * tree-ssa-loop-ch.c: Ditto.
6795 * loop.c: Ditto.
6796 * ipa-cp.c: Ditto.
6797 * cppspec.c: Ditto.
6798 * diagnostic.c: Ditto.
6799 * final.c: Ditto.
6800 * genoutput.c: Ditto.
6801 * gcc.c: Ditto.
6802 * cfghooks.c: Ditto.
6803 * cfgloopanal.c: Ditto.
6804 * objc/objc-act.c: Ditto.
6805 * gcov.c: Ditto.
6806 * genextract.c: Ditto.
6807 * genautomata.c: Ditto.
6808 * pretty-print.c: Ditto.
6809 * genemit.c: Ditto.
6810 * cgraphunit.c: Ditto.
6811 * flow.c: Ditto.
6812 * df-scan.c: Ditto.
6813 * haifa-sched.c: Ditto.
6814 * dominance.c: Ditto.
6815 * dbxout.c: Ditto.
6816 * tree-ssa-loop-ivopts.c: Ditto.
6817 * df-core.c: Ditto.
6818 * mode-switching.c: Ditto.
6819 * modulo-sched.c: Ditto.
6820 * graph.c: Ditto.
6821 * ipa-pure-const.c: Ditto.
6822 * cse.c: Ditto.
6823 * fix-header.c: Ditto.
6824 * web.c: Ditto.
6825 * tree-stdarg.c: Ditto.
6826 * ipa-utils.c: Ditto.
6827 * loop-init.c: Ditto.
6828 * ipa-inline.c: Ditto.
6829 * cfganal.c: Ditto.
6830 * global.c: Ditto.
6831 * alloc-pool.c: Ditto.
6832 * dwarf2out.c: Ditto.
6833 * opts.c: Ditto.
6834 * genattrtab.c: Ditto.
6835 * tree-ssa-loop-ivcanon.c: Ditto.
6836 * predict.c: Ditto.
6837 * timevar.c: Ditto.
6838 * lcm.c: Ditto.
6839 * fortran/gfortranspec.c: Ditto.
6840 * regmove.c: Ditto.
6841 * local-alloc.c: Ditto.
6842 * langhooks.c: Ditto.
6843 * function.c: Ditto.
6844 * tree-vectorizer.c: Ditto.
6845 * gcse.c: Ditto.
6846 * ipa-type-escape.c: Ditto.
6847 * alias.c: Ditto.
6848 * tree-if-conv.c: Ditto.
6849 * profile.c: Ditto.
6850 * ipa.c: Ditto.
6851 * tree-data-ref.c: Ditto.
6852 * loop-unroll.c: Ditto.
6853 * treelang/treetree.c: Ditto.
6854 * calls.c: Ditto.
6855 * bt-load.c: Ditto.
6856 * ggc-common.c: Ditto.
6857 * except.c: Ditto.
6858 * coverage.c: Ditto.
6859 * cselib.c: Ditto.
6860 * tree-cfgcleanup.c: Ditto.
6861 * tree-ssa-pre.c: Ditto.
6862 * cfgcleanup.c: Ditto.
6863 * loop-invariant.c: Ditto.
6864 * loop-iv.c: Ditto.
6865 * ipa-prop.c: Ditto.
6866 * print-tree.c: Ditto.
6867 * conflict.c: Ditto.
6868 * ggc-page.c: Ditto.
6869 * sched-deps.c: Ditto.
6870 * regclass.c: Ditto.
6871 * tree-object-size.c: Ditto.
6872 * combine.c: Ditto.
6873 * bb-reorder.c: Ditto.
6874 * resource.c: Ditto.
6875 * var-tracking.c: Ditto.
6876 * cfgloop.c: Ditto.
6877 * df-problems.c: Ditto.
6878 * reg-stack.c: Ditto.
6879 * tlink.c: Ditto.
6880 * gccspec.c: Ditto.
6881 * sched-rgn.c: Ditto.
6882 * tree-ssa-structalias.c: Ditto.
6883 * tree-ssa-reassoc.c: Ditto.
6884 * config/darwin-c.c: Ditto.
6885 * config/darwin.c: Ditto.
6886 * config/arm/arm.c: Ditto.
6887 * cfgrtl.c: Ditto.
6888 * collect2.c: Ditto.
6889 * reload1.c: Ditto.
6891 2006-01-31 Nicolas Pitre <nico@cam.org>
6893 * arm.md (smaxsi3): Make aware of smax_m1.
6894 (smax_m1): New.
6896 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
6898 * gcc/config/m68k/lb1sf68.asm: Use moveq to load small constants.
6900 2006-01-31 Richard Guenther <rguenther@suse.de>
6902 * doc/invoke.texi (-msselibm): Document.
6903 * target.h (expand_library_builtin): New target hook.
6904 * builtins.c (expand_builtin): Use expand_library_builtin.
6905 (default_expand_library_builtin): New function.
6906 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6907 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6908 (link_gcc_math_spec): Declare.
6909 (static_specs): Add link_gcc_math_spec.
6910 * expr.h (default_expand_library_builtin): Declare.
6911 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6912 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6913 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6914 * config/i386/i386.opt (msselibm): New target option.
6915 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6916 (ix86_init_sse_abi_builtins): New function.
6917 (ix86_expand_library_builtin): Likewise.
6918 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6919 (override_options): Handle error conditions wrt -msselibm.
6920 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6921 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6922 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6923 builtins.
6925 2006-01-31 Richard Guenther <rguenther@suse.de>
6926 Paolo Bonzini <bonzini@gnu.org>
6928 * doc/install.texi (--disable-libgcc-math): Document.
6930 2006-01-30 Marcin Dalecki <martin@dalecki.de>
6932 * expr.h (expand_normal): new inline function.
6933 * builtins.c: use it, use EXPAND_NORMAL explicitely.
6934 * dojump.c: use it.
6935 * dwarf2out.c: use it.
6936 * expr.c: use it.
6937 * calls.c: use it.
6938 * expmed.c: use it.
6939 * except.c: use it.
6940 * config/sparc/sparc.c: use it.
6941 * config/i386/i386.c: use it.
6942 * config/rs6000/rs6000.c: use it.
6943 * config/arm/arm.c: use it.
6944 * config/mips/mips.c: use it.
6945 * stmt.c: use it, use EXPAND_NORMAL explicitely.
6947 2006-01-30 Roger Sayle <roger@eyesopen.com>
6949 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
6950 argv to the appropriate type.
6952 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
6954 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
6955 unreachable code.
6957 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
6959 PR target/26018
6960 * config/s390/s390.c (struct machine_function): New flag
6961 decomposed_literal_pool_addresses_ok_p.
6962 (s390_reorg): Set it before final stage of literal pool transforms.
6963 (s390_decompose_address): Only accept displacements of the form
6964 (minus (label_ref ...) (label_ref ...)) if that flag is set.
6966 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
6968 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
6969 the comparison routine return.
6971 2006-01-30 Michael Matz <matz@suse.de>
6973 * global.c (find_reg): Only evict for global regs.
6974 Take n_refs into account and dump more info.
6976 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
6978 PR target/14798:
6979 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
6980 (pragma_trap, pragma_nosave_low_regs): Likewise.
6981 (current_function_anonymous_args): Likewise.
6982 (sh_deferred_function_attributes): New variable.
6983 (sh_deferred_function_attributes_tail): Likewise.
6984 (print_operand): For '@', look up trap_exit attribute.
6985 (calc_live_regs): Look up trapa_handler attribute. For trapa
6986 handlers, save/restore fpscr, but don't do any other
6987 interrupt-specific saves.
6988 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
6989 Fix check for partially saved registers to check for SHmedia.
6990 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
6991 (sh_output_function_epilogue): Don't clear any of the removed
6992 variables.
6993 (sh_insert_attributes): Don't check pragma_interrupt.
6994 Insert deferred attributes. Check that interrupt attribute is
6995 present for other attributes that require its presence.
6996 (sh_attribute_table): Add new attributes trapa_handler and
6997 nosave_low_regs.
6998 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
6999 Don't check for pragma_interrupt. Don't store argument.
7000 * sh.h (pragma_interrupt, sp_switch): Don't declare.
7001 (sh_deferred_function_attributes): Declare.
7002 (sh_deferred_function_attributes_tail): Likewise.
7003 * sh.md (sp_switch_1): Add operand. Change generator caller.
7004 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
7005 (*return_i): Don't use when trap_exit attribute is in effect.
7006 (*return_trapa): New insn pattern.
7007 * sh-c.c: New file.
7008 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
7009 setting c_target_objs and cxx_target_objs.
7010 * t-sh: Add rule for sh-c.o.
7012 2006-01-30 Richard Guenther <rguenther@suse.de>
7014 PR c++/23372
7015 * gimplify.c (gimplify_target_expr): Handle easy cases
7016 without creating a temporary.
7018 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
7020 * vec.h (safe_grow): Remove duplicated line.
7022 2006-01-29 Diego Novillo <dnovillo@redhat.com>
7024 PR 25874
7025 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
7026 (expand_omp): ... here.
7027 (expand_omp_parallel): Only remove barriers for combined
7028 parallel+workshare constructs.
7030 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
7032 Revert
7034 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
7035 * tree.c (build_qualified_type): Chain the new type to the original
7036 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
7037 a POINTER_TYPE or a REFERENCE_TYPE respectively.
7038 (build_pointer_type_for_mode): Only return unqualified types.
7039 (build_reference_type_for_mode): Likewise.
7041 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
7043 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
7044 * Makefile.in (CXX_COMPAT_WARN): Define.
7045 * configure: Regenerate.
7047 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
7049 PR tree-opt/25911
7050 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
7051 to an if check.
7053 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7055 * toplev.c: Fix thinko.
7057 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
7058 Marcin Dalecki <martin@dalecki.de>
7060 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
7061 (push_srcloc): Use XNEW.
7062 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
7064 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
7066 * df-core.c (df_set_blocks): Deleted all variable.
7068 2006-01-28 Ian Lance Taylor <ian@airs.com>
7070 * cgraphunit.c (cgraph_assemble_pending_functions): Call
7071 cgraph_output_pending_asms.
7073 2006-01-28 Zack Weinberg <zackw@panix.com>
7075 * c.opt: Add -W(no-)overlength-strings.
7076 * doc/invoke.texi: Document it.
7077 * c-opts.c (c_common_handle_option): -pedantic implies
7078 -Woverlength-strings, if not explicitly disabled already.
7079 (c_common_post_options): -Woverlength-strings defaults to off, and
7080 is always off for C++.
7081 * c-common.c (fix_string_type): Issue warning about strings longer
7082 than is portable only if warn_overlength_strings. Rearrange code
7083 a little for clarity.
7084 * configure.in: Check for -Wno-overlength-strings as well before
7085 enabling -pedantic in stage 1.
7086 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
7087 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
7089 * genconditions.c (write_header, write_one_condition)
7090 (write_conditions, write_writer): Consolidate very long strings
7091 that were broken up to fit in C89 portable limit. Don't use
7092 printf when fputs will do.
7094 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
7096 * combine.c (simplify_comparison <AND>): Check
7097 TRULY_NOOP_TRUNCATION before start using a subreg.
7099 * config/mips/mips.md (*branch_zero<mode>,
7100 *branch_zero<mode>_inverted, *branch_equality<mode>,
7101 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
7102 Remove mode check from comparisons.
7104 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
7106 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
7108 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7110 * expmed.c (const_mult_add_overflow_p): Remove.
7111 * expr.h: Remove the prototype for const_mult_add_overflow_p.
7113 * recog.c (validate_replace_rtx_subexp): Remove.
7114 * recog.h: Remove the prototype for
7115 validate_replace_rtx_subexp.
7117 * integrate.h: Remove the prototype for
7118 copy_decl_for_inlining.
7119 * rtl.h: Remove the prototype for mark_constant_function.
7120 * tree-vectorizer.h: Remove the prototype for
7121 vect_strip_conversion.
7123 * modulo-sched.c (create_partial_schedule,
7124 free_partial_schedule, reset_partial_schedule): Make them
7125 static.
7127 * hooks.c (hook_bool_rtx_int_false): Remove.
7128 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
7130 2006-01-28 David Edelsohn <edelsohn@gnu.org>
7132 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7133 and -mlong-double-128 are incompatible.
7134 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
7135 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
7136 (TARGET_LIBGCC2_CFLAGS): Define.
7137 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
7138 (TARGET_LIBGCC2_CFLAGS): Same.
7139 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
7141 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
7143 PR c/19606.
7144 * c-typeck.c (build_binary_op): Perform implicit casts of
7145 operands before shortening them.
7147 * cfgloopmanip.c (split_loop_bb): Remove.
7148 * cfgloop.h: Remove the prototype for split_loop_bb.
7150 * cfgloop.c (flow_loop_outside_edge_p): Remove.
7151 * cfgloop.h: Remove the prototype for
7152 flow_loop_outside_edge_p.
7154 * emit-rtl.c (init_virtual_regs): Make it static.
7155 * function.h: Remove the prototype for init_virtual_regs.
7157 * recog.c (peephole2_optimize): Make it static.
7158 * recog.h: Remove the prototype for peephole2_optimize.
7160 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7162 * df-scan.c (df_record_entry_block_defs): Check if
7163 INCOMING_RETURN_ADDR_RTX is defined.
7165 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
7166 Kenneth Zadeck <zadeck@naturalbridge.com>
7168 PR rtl-optimization/24762
7169 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7170 * targhooks.c (hook_void_bitmap): New hook prototype.
7171 * targhoohs.h (hook_void_bitmap): Ditto.
7172 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
7173 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
7174 * target.h (live_on_entry): New function pointer.
7175 * df-scan.c (df_all_hard_regs): Removed.
7176 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
7177 (df_scan_free_internal): Added df->entry_block_defs.
7178 (df_scan_alloc): Ditto.
7179 (df_scan_dump): Ditto.
7180 (df_uses_record): Plumbed flag field properly thru calls.
7181 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
7182 This part fixes PR24762.
7183 (df_bb_refs_record): Added code to make the frame and arg
7184 pointers live in EH blocks.
7185 (df_refs_record): Added call to df_record_entry_block_defs.
7186 (df_record_entry_block_defs): New function.
7187 * df-core.c: Added comments to describe new artifical defs.
7188 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
7189 (entry_block_defs): New field in struct df.
7190 (df_all_hard_regs): Deleted.
7191 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
7192 * df-problems.c (df_ru_bb_local_compute_process_def):
7193 Added code to handle artifical defs in the entry to a function.
7194 (df_ru_bb_local_compute): Ditto.
7195 (df_rd_bb_local_compute_process_def): Ditto.
7196 (df_rd_bb_local_compute): Ditto.
7197 (df_lr_bb_local_compute): Ditto.
7198 (df_ur_bb_local_compute): Ditto.
7199 (df_urec_bb_local_compute): Ditto.
7200 (df_chain_create_bb): Ditto.
7201 (df_ur_local_finalize): Removed entry.
7202 (df_urec_init): Ditto.
7203 (df_urec_local_finalize): Ditto.
7204 (df_ri_bb_compute): Added detection of last use of pseudos.
7205 * Makefile.in (df-scan.o): Updated dependencies.
7206 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
7207 * config/mips/mips.c (mips_set_live_on_entry): Added.
7208 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
7209 for target hook.
7210 * dce.c (marked_insn_p): Added code to handle artifical defs.
7212 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
7214 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
7215 intrinsic.
7216 (_mm_cvtsi128_si64): Likewise.
7217 (_mm_cvtsd_si64): Likewise.
7218 (_mm_cvttsd_si64): Likewise.
7219 (_mm_cvtsi64_sd): Likewise.
7220 (_mm_cvtsi64_si128): Likewise.
7221 * config/i386/mmintrin.h (_m_from_int64): Likewise.
7222 (_mm_cvtsi64_m64): Likewise.
7223 (_m_to_int64): Likewise.
7224 (_mm_cvtm64_si64): Likewise.
7225 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
7226 (_mm_cvttss_si64): Likewise.
7227 (_mm_cvtsi64_ss): Likewise.
7228 (_mm_cvtss_f32): Likewise.
7230 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
7232 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
7233 for pragma redefine_extname.
7235 2006-01-27 Jakub Jelinek <jakub@redhat.com>
7237 PR target/25864
7238 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
7239 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
7240 -mno-minimal-toc to previous content.
7241 (bispecs): Remove goal.
7242 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
7243 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
7244 compatibility aliases on powerpc-*-*gnu*.
7245 * config/rs6000/libgcc-ppc-glibc.ver: New file.
7246 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
7247 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
7248 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
7249 (ldblspecs): New goal.
7250 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
7251 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
7252 _df_to_tf.
7253 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
7254 L_sf_to_tf or L_df_to_tf is defined.
7256 2006-01-27 David Edelsohn <edelsohn@gnu.org>
7257 Alan Modra <amodra@bigpond.net.au>
7259 PR target/25864
7260 * config/rs6000/linux.h (POWERPC_LINUX): Define.
7261 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
7262 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
7263 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
7264 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
7265 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
7266 (rs6000_override_options): Initialize rs6000_ieeequad.
7267 Initialize TFmode format to ibm_extended_format if not
7268 TARGET_IEEEQUAD.
7269 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
7270 ieeelongdouble.
7271 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
7272 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
7273 (function_arg_advance): IBM long double passed in two FPRs, not
7274 split.
7275 (function_arg): IBM long double passed in FPRs.
7276 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
7277 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
7278 Only multireg GPR aligned.
7279 (rs6000_init_libfuncs): Enable IBM long double functions if not
7280 IEEEQUAD.
7281 (rs6000_generate_compare): Use IBM long double compare if not
7282 TARGET_IEEEQUAD.
7283 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
7284 (TARGET_IEEEQUAD): Define.
7285 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
7286 not TARGET_IEEEQUAD.
7287 * config/rs6000/rs6000.md: Enable TFmode patterns if
7288 !TARGET_IEEEQUAD.
7289 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
7290 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
7291 and -mlong-double-128 are incompatible.
7292 * doc/invoke.texi (-mabi): Collect options together. Add
7293 ibmlongdouble and ieeelongdouble.
7295 2006-01-27 Richard Sandiford <richard@codesourcery.com>
7297 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
7298 opaque type.
7299 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
7300 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
7301 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
7302 * rtl.h (rtunion_def): Remove rt_ptr.
7303 (X0PTR): Delete.
7304 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
7305 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
7306 * config/i386/winnt.c (i386_pe_mark_dllexport)
7307 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
7309 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
7311 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
7313 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7315 PR other/24829
7316 PR target/24831
7317 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
7318 pthread_key_delete. From John David Anglin. gthrw-ify
7319 pthread_getunique_np only if it it's not a macro. Delete
7320 UNUSED macro.
7321 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
7322 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
7323 __gthread_objc_condition_signal, __gthread_key_delete): Add
7324 "__attribute__ ((__unused__))" to unused arguments.
7325 (__gthread_recursive_mutex_init_function): Add missing return.
7326 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
7327 gthr-posix95.h: Use macro-based approach for name redirection
7328 on targets missing weakref.
7330 2006-01-26 Zack Weinberg <zackw@panix.com>
7332 * genconditions.c (write_header): In generated code, #ifdef out
7333 all includes and fake declarations, except includes of bconfig.h
7334 and system.h, unless GCC_VERSION >= 3001. Do not include
7335 gensupport.h in any case.
7336 (write_conditions): Generate a definition of struct c_test. Add
7337 a comment to the generated #endif.
7338 (write_one_condition): Escape backslashes in string too.
7339 (write_writer): Generated code must escape backslashes and quote
7340 marks (but not newlines) in the strings it writes.
7341 * Makefile.in (build/gencondmd.o): Update dependencies.
7343 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7345 PR target/25961
7346 * Makefile.in (insn-automata.o): Add header file dependencies.
7347 * genautomata.c: Add includes.
7349 2006-01-26 Steve Ellcey <sje@cup.hp.com>
7351 PR target/25961
7352 * Makefile.in (insn-automata.o): Add -Wno-error flag.
7354 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7356 * configure.ac: Expect target tools paths to be passed from the toplevel
7357 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
7358 AS_SET_VAR_IF.
7359 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
7361 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
7363 PR c/25892
7364 * c.opt (Wpointer-sign): Init to -1.
7365 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
7366 OPT_pedantic, to 0 otherwise.
7367 * doc/invoke.texi: Update.
7369 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
7371 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
7372 constants provided by 80387 instructions in the destination mode.
7374 2006-01-26 Richard Guenther <rguenther@suse.de>
7375 Andrew Pinski <pinskia@physics.uc.edu>
7377 PR tree-opt/21470
7378 partial PR tree-opt/17064
7379 * tree-ssa-structalias.c (intra_create_variable_infos):
7380 Create heap variables for incoming parameters if
7381 flag_argument_noalias > 1.
7382 (find_what_p_points_to): Look through default defs of
7383 parameter decls.
7385 2006-01-26 Jeff Law <law@redhat.com>
7387 PR ada/25900
7388 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
7389 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
7390 within the VR_RANGE, use the VR_RANGE as the result, not the
7391 VR_ANTI_RANGE.
7392 (adjust_range_with_scev): Reject ranges from SCEV which are out of
7393 bounds for the type.
7395 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
7397 * tree-ssa-alias.c (maybe_create_global_var): Change
7398 subvar walking to an assertion that we don't have subvar'd variables.
7400 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
7402 PR C/25861
7403 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
7404 Use a new variable, inner. PARM_DECLs are always non-weak.
7406 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
7408 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
7409 --disable-checking.
7411 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
7413 * config/mips/mips.md (*clear_upper32): New combiner pattern.
7415 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
7417 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
7418 (smax_insn, smin_insn, smax_0, smin_0): New.
7420 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
7422 PR target/25947
7423 * config/cris/cris.c (cris_order_for_addsi3): New function.
7424 * config/cris/cris-protos.h: Prototype it.
7425 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
7426 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
7427 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
7428 (split for "op.S1 [rx=rx+i],ry (swapped)")
7429 (split for "op(s|u).S1 [rx=rx+i],ry")
7430 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
7431 Apply cris_order_for_addsi3 when generating addsi3 insns.
7433 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7435 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
7436 (TREE_BLOCK): Add call to EXPR_CHECK.
7438 2006-01-25 Diego Novillo <dnovillo@redhat.com>
7440 PR 25886
7441 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
7442 * tree-pretty-print.c (dump_omp_clause): Extract from ...
7443 (dump_omp_clauses): ... here.
7444 (dump_generic_node): Handle OMP_CLAUSE.
7445 * tree.c (omp_clause_num_ops): New.
7446 (omp_clause_code_name): New.
7447 (tree_code_size): Handle OMP_CLAUSE.
7448 (tree_size): Likewise.
7449 (make_node): Document handling of OMP_CLAUSE.
7450 (tree_node_structure): Handle OMP_CLAUSE.
7451 (omp_clause_check_failed): New.
7452 (omp_clause_range_check_failed): New.
7453 (omp_clause_operand_check_failed): New.
7454 (build_omp_clause): New.
7455 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
7456 * tree.h (enum omp_clause_code): Declare.
7457 (OMP_CLAUSE_SUBCODE_CHECK): Define.
7458 (OMP_CLAUSE_RANGE_CHECK): Define.
7459 (OMP_CLAUSE_ELT_CHECK): Define.
7460 (omp_clause_check_failed): Declare.
7461 (omp_clause_operand_check_failed): Declare.
7462 (omp_clause_range_check_failed): Declare.
7463 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
7464 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
7465 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
7466 (OMP_CLAUSE_LASTPRIVATE): Likewise.
7467 (OMP_CLAUSE_IF_EXPR): Likewise.
7468 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
7469 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
7470 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
7471 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
7472 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
7473 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
7474 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
7475 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
7476 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
7477 (OMP_CLAUSE_CODE): Define.
7478 (OMP_CLAUSE_SET_CODE): Define.
7479 (OMP_CLAUSE_CODE): Define.
7480 (OMP_CLAUSE_OPERAND): Define.
7481 (struct tree_omp_clause): Declare.
7482 (union tree_node): Add field 'omp_clause'.
7483 * treestruct.def (TS_OMP_CLAUSE): Define.
7484 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
7485 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
7486 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
7487 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
7488 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
7489 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
7490 (OMP_CLAUSE): Define.
7491 * print-tree.c (print_node): Handle OMP_CLAUSE.
7492 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
7493 * c-typeck.c: Likewise.
7494 * gimplify.c: Likewise.
7495 * c-omp.c: Likewise.
7496 * tree-nested.c: Likewise.
7497 * tree-inline.c: Likewise.
7498 * c-parser.c: Likewise.
7499 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
7500 clauses.
7502 2006-01-25 Roger Sayle <roger@eyesopen.com>
7504 PR rtl-optimization/25703
7505 * combine.c (try_combine): Handle zero_extract and strict_low_part
7506 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
7508 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
7510 * global.c: Fix comment typos.
7512 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
7514 PR target/25758
7515 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
7516 Use output_addr_const instead of assemble_name.
7518 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
7520 * Makefile.in (sched-vis.o): Update dependencies.
7521 * haifa-sched.c (sched_finish): Clear current_sched_info.
7522 * cfg.c (dump_bb_info): New, split from dump_flow_info.
7523 (dump_flow_info): Call it.
7524 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
7525 a slim RTL dump.
7526 * basic-block.h (dump_bb_info): Declare.
7527 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
7528 option, and apply options only for dump files whose TDF_RTL,
7529 TDF_TREE, or TDF_IPA bits match.
7530 * rtl.h: Declare new functions exported from sched-vis.c.
7531 * sched-vis.c: Enable also if scheduling is not used.
7532 (print_value): Print the mode of registers if not inside scheduling.
7533 (print_insn): Make it work outside the scheduler. Beautify the output
7534 a bit.
7535 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
7537 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7539 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
7540 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
7541 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
7542 depending on the value of CONSTANT_POOL_ADDRESS_P.
7543 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
7544 SYMBOL_REF_DECL.
7545 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
7546 rather than SYMBOL_REF_DECL.
7547 (rtx_constant_pool): Remove const_rtx_sym_htab.
7548 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
7549 (init_varasm_status): Don't initialize const_rtx_sym_htab.
7550 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
7551 Remove handling of const_rtx_sym_htab.
7552 (find_pool_constant): Delete.
7553 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
7554 rather than find_pool_constant.
7555 (get_pool_constant_for_function): Delete.
7556 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
7557 find_pool_constant.
7558 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
7559 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
7560 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
7561 (SYMBOL_REF_CONSTANT): New macro.
7562 (get_pool_constant_for_function): Delete.
7563 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
7564 rather than SYMBOL_REF_DECL.
7565 (i386_pe_mark_dllimport): Likewise.
7566 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
7567 rather than SYMBOL_REF_DECL.
7568 * config/darwin.c (machopic_indirect_data_reference): Likewise.
7569 (machopic_indirect_call_target): Likewise.
7571 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
7573 * flow.c (delete_noop_moves): Add missing EOL to dump message.
7575 2006-01-25 Richard Sandiford <richard@codesourcery.com>
7577 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
7579 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
7581 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
7583 2006-01-24 David Daney <ddaney@avtrex.com>
7585 PR java/25816
7586 * configure.ac (enable_tls): New enable option.
7587 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
7588 * configure: Regenerate.
7589 * doc/install.texi (--enable-tls): Document new option.
7590 (--disable-tls): Ditto.
7592 2006-01-24 Richard Henderson <rth@redehat.com>
7594 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
7595 * alias.c (true_dependence): Respect it.
7596 (canon_true_dependence, write_dependence_p): Likewise.
7597 * builtins.c (get_builtin_sync_mem): Set it.
7599 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
7601 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
7602 efficient way.
7604 2006-01-24 DJ Delorie <dj@redhat.com>
7606 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
7607 for storing constants in single-bit bitfields.
7609 2006-01-25 Ben Elliston <bje@au.ibm.com>
7611 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
7613 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
7615 PR tree-opt/25860
7616 * tree-ssa-pre.c (phi_translate): Return NULL
7617 for AGGREGATE_TYPE's.
7619 2006-01-24 Zack Weinberg <zackw@panix.com>
7621 * genautomata.c (process_state_for_insn_equiv_partition):
7622 Use xcalloc for insn_arcs_array.
7623 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
7624 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
7626 2006-01-24 Richard Henderson <rth@redhat.com>
7628 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
7629 update all callers.
7631 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
7633 PR rtl-optimization/25890
7634 PR rtl-optimization/25905
7635 * combine.c (expand_compound_operation, expand_field_assignment):
7636 Fail if the bitfield's final position is out of bounds.
7638 2006-01-24 Ian Lance Taylor <ian@airs.com>
7640 PR middle-end/25930
7641 * cgraphunit.c (cgraph_output_in_order): Don't clear
7642 cgraph_asm_nodes until after asm strings have been output.
7644 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
7646 * fix-header.c (read_scan_file): Add new parameter imultilib when
7647 calling register_include_chains.
7649 2006-01-23 Diego Novillo <dnovillo@redhat.com>
7651 * omp-low.c: Update documentation.
7653 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7654 Daniel Berlin <dberlin@dberlin.org>
7656 PR tree-opt/25315
7657 PR tree-opt/25857
7658 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
7659 return from the function.
7661 2006-01-22 Zack Weinberg <zackw@panix.com>
7663 * rtl.def (match_code): Add second argument.
7664 * genpreds.c (write_extract_subexp): New function.
7665 (write_match_code): Add path argument. Use write_extract_subexp.
7666 (write_predicate_expr): Pass path to write_match_code.
7667 (mark_mode_tests): MATCH_CODE applied to a subexpression does
7668 not perform a mode test.
7669 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
7670 a subexpression does not constrain the top-level code set.
7671 * read-rtl.c (read_rtx_variadic): New function.
7672 (read_rtx_1): Use it; allow AND and IOR to be variadic.
7673 * doc/md.texi: Document new notation.
7674 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
7675 (cmpsi_operand): ... here, using new notation.
7677 2006-01-22 Zack Weinberg <zackw@panix.com>
7679 * varray.c: Remove GENERATOR_FILE #ifdefs.
7681 2006-01-22 Zack Weinberg <zackw@panix.com>
7683 * genautomata.c (output_reserved_units_table): Emit nothing if
7684 description->query_units_num is zero. Remove extra blank line.
7685 (output_cpu_unit_reservation_p): Short circuit
7686 if description->query_units_num is zero.
7688 2006-01-22 Zack Weinberg <zackw@panix.com>
7690 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
7691 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
7692 nor any of the random handful of variables that used to be necessary
7693 when this program was linked with rtlanal.o. Prune set of forward
7694 function declarations.
7695 (struct attr_desc): Remove static_p field.
7696 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
7697 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
7698 (attr_string): Do not read the character one past the length of
7699 the string.
7700 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
7701 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
7702 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
7703 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
7704 (make_automaton_attrs): New.
7705 (main): Do not call into genautomata. Call local gen_bypass
7706 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
7707 Remove special case for insn_alts.
7708 * genautomata.c: Include gensupport.h; not genattrtab.h nor
7709 varray.h (leftover from previous change). Prune set of forward
7710 function declarations. Remove state_alts fields from all
7711 structures. Remove state_alts_table from struct automaton.
7712 Make everything except main static. Do not maintain num_dfa_decls.
7713 Do not maintain state_alts fields of various structures.
7714 (process_decls): Don't validate condexp for dm_insn_reserv decls.
7715 (add_arc): Remove state_alts argument. All callers updated.
7716 (output_reserved_units_table): Emit #ifdef here...
7717 (output_tables): ...not here. Don't generate state_alts tables.
7718 (expand_automata): Don't generate attributes.
7719 (write_automata): Don't generate state_alts functions.
7720 (main): New function.
7721 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
7722 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
7723 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
7724 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
7725 (BYPASS_P_FUNC_NAME, output_state_alts_table)
7726 (output_automata_list_state_alts_code, output_internal_state_alts_func)
7727 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
7728 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
7729 Delete.
7730 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
7731 * genattrtab.h: Delete file.
7732 * Makefile.in (OBJS-common): Add insn-automata.o.
7733 (insn-automata.o): New rule.
7734 (simple_generated_c): Add insn-automata.c.
7735 (build/genattrtab.o, build/genautomata.o): Update dependencies.
7736 (genprogmd): Add automata.
7737 (build/genattrtab): Needs no extra objects nor libraries.
7738 (build/genautomata): Needs build/vec.o and -lm.
7740 2006-01-22 Zack Weinberg <zackw@panix.com>
7742 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
7743 (output_dfa_max_issue_rate, locked_states_num): Delete.
7744 (struct automaton): Add locked_states field.
7745 (output_dead_lock_vect): Save number of locked states in
7746 automaton->locked_states. If it is zero, don't print anything.
7747 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
7748 (output_internal_dead_lock_func): Only test the dead_lock_vect
7749 for automata that have locked states.
7750 (output_statistics): Always print the number of locked states for
7751 each automaton. Calculate total number of locked states here.
7752 (write_automata): Don't call output_dfa_max_issue_rate.
7753 * genattrtab.c: Define length_unit_log as a const variable.
7754 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
7755 max_insn_queue_index const.
7756 * final.c (length_unit_log): Declare const.
7757 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
7759 2006-01-22 Zack Weinberg <zackw@panix.com>
7761 * genautomata.c: Include vec.h, not varray.h.
7762 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
7763 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
7764 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
7765 VEC_* macros operating on appropriately typed vectors, or to
7766 malloced arrays when the size is known in advance. Const-ify
7767 many char* variables and function arguments. No functional changes.
7768 * Makefile.in (build/varray.o): Delete rule.
7769 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
7770 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
7772 2006-01-22 Zack Weinberg <zackw@panix.com>
7774 * gensupport.c: Define get_insn_name and record_insn_name here.
7775 (read_md_rtx): Call record_insn_name as appropriate.
7776 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
7777 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
7778 * genpreds.c, genrecog.c: Don't define get_insn_name nor
7779 record_insn_name.
7780 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
7781 (BUILD_VARRAY): Delete.
7782 (genprognormal): Rename genprogmd. Fold in all programs from
7783 genprognoprint; also attrtab.
7784 (build/genattrtab): Just mention genautomata.o and varray.o.
7785 Reorganize a bit, add comments to make the categories clearer.
7787 2006-01-22 Zack Weinberg <zackw@panix.com>
7789 * genconditions.c (condition_table, add_condition): Delete.
7790 (write_conditions): Don't emit n_insn_conditions nor
7791 insn_elision_unavailable. Issue the gcc version #ifdef here,
7792 inside the table, with no #else clause ...
7793 (write_header): ...not here.
7794 (write_writer): New function.
7795 (main): Don't initialize condition_table. Use add_c_test.
7796 Call write_writer.
7797 * gensupport.c (init_md_reader_args_cb): Handle multiple input
7798 files on the command line.
7799 (maybe_eval_c_test): Don't check insn_elision_unavailable.
7800 Return -1 if there is no entry in the table, don't abort.
7801 (add_c_test, traverse_c_tests): New functions.
7802 * gensupport.h (insn_elision_unavailable, insn_conditions)
7803 (n_insn_conditions): Delete declarations.
7804 (add_c_test, traverse_c_tests): Declare.
7805 * read-rtl.c: Include gensupport.h.
7806 (read_conditions): New function.
7807 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
7808 (read_rtx_1): If we get EOF when we were looking for an initial
7809 open paren, return 0. Call read_conditions when appropriate.
7810 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
7811 dummy-conditions.o. Eliminate references to insn-conditions.o,
7812 or change them to build/gencondmd.o, as appropriate. Remove
7813 insn-constants.h from $(simple_generated_h) and insn-conditions.c
7814 from $(simple_generated_c). For all files remaining in those
7815 two lists, add insn-conditions.md to the generator command line.
7816 Give insn-constants.h/s-constants their own rules. Add rules
7817 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
7818 (build/read-rtl.o): Depend on gensupport.h.
7819 (genprognormal): Include preds.
7820 (genprogearly): Rename genprognoprint; only difference is now that
7821 they don't link with $(BUILD_PRINT).
7822 * dummy-conditions.c: Delete.
7824 2006-01-22 Zack Weinberg <zackw@panix.com>
7826 * genextract.c: Don't include insn-config.h. Do include vec.h.
7827 Declare vectors of int, char, and locstr.
7828 (locstr): New typedef.
7829 (struct extraction): Make all array fields into bare pointers.
7830 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
7831 (insn_code_number): Delete.
7832 (accum_extract): New struct.
7833 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
7834 (gen_insn): Take insn_code_number as an argument. Use an
7835 accum_extract structure instead of loading data directly into
7836 a struct extraction, and having to know how big it might get.
7837 (walk_rtx): Operate entirely on an accum_extract structure.
7838 (print_path): Avoid unnecessary use of printf.
7839 (print_header): New function, split out of main. Distinguish
7840 more carefully between an unrecognizable insn and an insn that
7841 has the code number of a define_expand.
7842 (main): Pass insn_code_number to gen_insn. Call print_header
7843 only after parsing. Avoid unnecessary use of printf.
7844 * Makefile.in (build/vec.o): New rule.
7845 (build/genextract): Depend on build/vec.o.
7846 (build/genextract.o): Don't depend on insn-config.h.
7848 2006-01-22 Zack Weinberg <zackw@panix.com>
7850 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
7851 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
7852 practical. Eliminate per-generator-program link rules.
7854 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
7856 PR middle-end/24437
7857 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
7858 with a call expr to ...
7859 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
7861 2006-01-23 Richard Guenther <rguenther@suse.de>
7863 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
7864 before make_edge with conditional EDGE_TRUE_VALUE.
7866 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
7867 Jan Hubicka <jh@suse.cz>
7868 Richard Guenther <rguenther@suse.de>
7870 PR rtl-optimization/25654
7871 * cfgexpand.c (aggregate_contains_union_type): New function.
7872 (add_alias_set_conflicts): Call it. Make sure to add conflicts
7873 for structure variables that contain a union type.
7875 2006-01-23 Richard Sandiford <richard@codesourcery.com>
7877 * gengtype.c (new_structure): Return the structure.
7878 (create_option): Add an extra "next" argument.
7879 (create_field): New function.
7880 (adjust_field_rtx_def): Use create_option and create_field.
7881 Remove a now-unnecessary call to find_structure.
7882 (adjust_field_tree_def): Likewise.
7883 (note_yacc_type): Remove an unnecessary call to find_structure.
7884 * gengtype.h (new_structure): Return the structure.
7885 (create_option): Add an extra argument.
7886 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
7887 (option): Adjust calls to create_option.
7889 2006-01-22 David Edelsohn <edelsohn@gnu.org>
7891 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
7893 2006-01-22 Paul Brook <paul@codesourcery.com>
7894 Peter Barada <peter@the-baradas.com>
7896 * config/m68k/m68k.md: Add Coldfire FPU support.
7897 Define FP mode macro and associated attributes.
7898 Use it for float mode patterns.
7899 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
7900 (LIBCALL_VALUE): Use m68k_libcall_value.
7901 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
7902 (m68k_function_value): Ditto.
7903 (emit_move_sequence): Ditto.
7904 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
7905 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
7906 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
7907 (MULTILIB_EXCEPTIONS): Ditto.
7908 * config/m68k/m68k.opt: Add mcfv4e.
7909 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
7910 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
7911 (m68k_output_function_prologue): Save ColdFire FPU registers.
7912 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
7913 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
7914 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
7915 ColdFire FPU registers.
7916 (m68k_libcall_value, m68k_function_value): New functions.
7917 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
7918 (LIBCALL_VALUE): Use m68k_libcall_value.
7919 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
7920 (MASK_COLDFIRE): Add MASK_CFV4E.
7921 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
7922 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
7923 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
7924 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
7925 (GO_IF_LEGITIMATE_ADDRESS): Use it.
7926 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
7927 * doc/invoke.tex: Document -mcfv4e on m68k.
7929 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
7931 * doc/contribute.texi: Change CVS to SVN and update the corresponding
7932 URL.
7934 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
7936 PR c++/16190
7937 * c-opts.c (c_common_handle_option): Don't include
7938 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
7939 * doc/invoke.texi (C++ Dialect Options): Document that
7940 -Wnon-virtual-dtor is no longer included in -Wall.
7942 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
7944 * gcov.c (print_version), gcov-dump.c (print_version),
7945 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
7946 dates.
7948 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
7950 * df-scan.c (problem_SCAN): Added NULL reset function.
7951 (df_scan_reset_blocks): Added code to call reset block function
7952 (df_bb_refs_delete) Fixed comment.
7953 (df_insn_refs_delete): Made tolerant of deleting non existent info
7954 for dataflow problems that need to be reset.
7955 * df-core.c (df_set_blocks): Ditto.
7956 * df.h (struct df_problem): Added reset_fun.
7957 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
7958 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
7959 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
7960 functions to clear out all references to def-use or use-def chains.
7962 2006-01-21 Ben Elliston <bje@au.ibm.com>
7964 * varasm.c (assemble_real): Initialise data array.
7966 2006-01-20 Paul Brook <paul@codesourcery.com>
7968 Merge from csl-arm-branch.
7969 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
7970 * config/arm/arm.md (movdi): Force operands[1] to a register
7971 if we have a non-register source.
7972 (*arm_movdi, *movdf_soft_insn): Require that one of the
7973 operands be a register.
7974 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
7975 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
7977 2006-01-20 DJ Delorie <dj@redhat.com>
7979 * varasm.c (initialize_constant_valid_p): Allow pointers
7980 initialized from integer constants of lesser precision.
7981 (output_constant): Allow non-int-sized pointer modes to be
7982 initialized from integer constants.
7984 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
7986 PR libstdc++/25524
7987 * cppdefault.h (struct default_include): Add multilib flag.
7988 * cppdefault.c (cpp_include_defaults): Set it.
7989 * c.opt (-imultilib): New option.
7990 * c-opts.c (imultilib): New.
7991 (c_common_handle_option): Handle -imultilib.
7992 (c_common_post_options): Likewise.
7993 * c-incpath.c (add_standard_paths, register_include_chains):
7994 Likewise.
7995 * c-incpath.h (register_include_chains): Add extra parameter.
7996 * gcc.c (do_spec_1): Generate -imultilib option.
7997 (The Specs Language): Update %I description.
7998 (process_command): Update copyright notice.
7999 * doc/cppopts.texi (-imultilib): Document.
8000 * doc/invoke.texi (-imultilib): Include in option summary.
8001 (%I): Update specs documentation.
8003 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8005 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
8007 2006-01-20 Richard Sandiford <richard@codesourcery.com>
8009 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
8010 label numbers.
8012 2006-01-20 Richard Guenther <rguenther@suse.de>
8013 Steven Bosscher <stevenb.gcc@gmail.com>
8015 PR rtl-optimization/24626
8016 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
8017 EDGE_TRUE_VALUE if in RTL mode.
8019 Revert
8020 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
8021 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
8023 2006-01-20 Dirk Mueller <dmueller@suse.com>
8025 PR c++/5520
8026 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
8027 instead of a special NOP marker.
8028 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
8029 NOP marker handling.
8030 * c-common.h (empty_body_warning): Add forward declaration.
8031 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
8032 Now uses IS_EMPTY_STMT() instead of special NOP markers.
8034 2006-01-20 Paul Brook <paul@codesourcery.com>
8036 * Makefile.in (lang_checks): Keep going if mkdir fails.
8038 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8040 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
8041 be able to clean out basic block when not necessary.
8042 (df_scan_free): Fixed to properly delete information if df is
8043 unused before calling df_finish.
8044 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
8045 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
8046 or comment typos.
8047 (df_bb_refs_delete): New function.
8048 (df_refs_delete): Moved per block code to df_bb_refs_delete.
8049 * df-core.c (df_set_blocks): Added code to properly clean out
8050 unused blocks if they are not part of the blocks to consider.
8051 Added additional null check.
8052 (df_compact_blocks): Added basic block parameter to free_bb_fun to
8053 be able to clean out basic block when not necessary
8054 * df.h (df_free_bb_function): Ditto.
8055 (df_bb_refs_delete): New function.
8056 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
8057 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
8058 basic block parameter to be able to clean out basic block when not
8059 necessary.
8060 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
8061 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
8062 Fixed to properly delete information if df is unused before
8063 calling df_finish.
8065 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
8067 PR rtl-optimization/25799
8068 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
8069 Corrected confluence operator to remove bits from op2 before oring
8070 with op1 rather than removing bits from op1.
8071 (df_ru_transfer_function): Corrected test on wrong bitmap which
8072 caused infinite loop. Both of these problems were introduced in
8073 the dataflow rewrite.
8075 2006-01-19 DJ Delorie <dj@redhat.com>
8077 * reload1.c (find_reload_regs): Note the details of reload
8078 failures in the dump file.
8079 (spill_failure): Likewise.
8081 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
8083 * loop-iv.c: Include df.h and hashtab.h.
8084 (enum iv_grd_result): New enum.
8085 (DF_REF_IV, DF_REF_IV_SET): New macros.
8086 (struct biv_entry): New.
8087 (df, bivs): New global variables.
8088 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
8089 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
8090 Removed.
8091 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
8092 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
8093 analyzed_for_bivness_p, record_biv): New functions.
8094 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
8095 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
8096 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
8097 UD chains.
8098 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
8099 analysed.
8100 (iv_number_of_iterations): Use new interface to iv analysis.
8101 * loop-unroll.c: Do not include varray.h.
8102 (analyze_iv_to_split_insn): Use new interface to iv
8103 analysis.
8104 * loop-unswitch.c (may_unswitch_on): Ditto.
8105 * df.c (df_bitmaps_free): Only work for bbs for that structures are
8106 allocated.
8107 (df_bb_modify): Realloc tables to the new index.
8108 (df_find_use): New function.
8109 * df.h (df_find_use): Declare.
8110 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
8111 outmode.
8112 * cfgloop.h (struct rtx_iv): Remove analysed field.
8113 (iv_get_reaching_def): Removed.
8114 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
8115 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
8116 (loop-iv.o): Add df.h and hashtab.h dependency.
8117 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
8119 2006-01-20 Alan Modra <amodra@bigpond.net.au>
8121 PR target/25668
8122 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
8123 Double TFmode.
8124 (__floatundisf, __floatundidf): Likewise.
8125 * libgcc2.h (IS_IBM_EXTENDED): Define.
8127 2006-01-19 DJ Delorie <dj@redhat.com>
8129 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
8131 2006-01-19 Paul Brook <paul@codesourcery.com>
8133 * gcc/config/arm/arm.c (arm_compute_func_type): Treat all functions
8134 as nothrow when unwinding tables are disabled.
8136 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8138 PR testsuite/25171
8139 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
8140 of bit-field" when in system header.
8142 2006-01-19 DJ Delorie <dj@redhat.com>
8144 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
8145 the 16 bit shift limit of the m16c.
8147 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
8149 PR target/22099
8150 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
8151 * config/i386/i386.c (output_set_got): Output the label if we have one
8152 for the TARGET_DEEP_BRANCH_PREDICTION case.
8154 2006-01-19 Jan Hubicka <jh@suse.cz>
8155 H.J. Lu <hongjiu.lu@intel.com>
8156 Evandro Menezes <evandro.menezes@amd.com>
8158 * invoke.texi (generic): Document
8159 (i686) Update.
8160 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
8161 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
8162 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
8163 (x86_use_incdec, x86_pad_returns): New variables
8164 (TARGET_CPU_DEFAULT_generic): New constant
8165 (TARGET_CPU_DEFAULT_NAMES): Add generic.
8166 (enum processor_type): Add generic32 and generic64.
8167 * i386.md (cpu attribute): Add generic32/generic64
8168 (movhi splitter): Behave sanely when both partial_reg_dependency and
8169 partial_reg_stall are set.
8170 (K8 splitters): Enable for generic as well.
8171 * predicates.md (incdec_operand): Use TARGET_INCDEC
8172 (aligned_operand): Avoid memory mismatch stalls.
8173 * athlon.md: Enable for generic64, new patterns for 128bit moves.
8174 * ppro.md: Enable for generic32
8175 * i386.c (generic64_cost, generic32_cost): New.
8176 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
8177 (x86_use_leave): Enable for generic64. (x86_use_sahf,
8178 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
8179 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
8180 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
8181 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
8182 x86_partial_reg_dependency, x86_memory_mismatch_stall,
8183 x86_accumulate_outgoing_args, x86_prologue_using_move,
8184 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
8185 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
8186 Enable for generic.
8187 (x86_use_incdec, x86_pad_returns): New.
8188 (override_options): Add generic32 and generic64, translate "generic"
8189 to generic32/generic64 and "i686" to "generic32", refuse
8190 "generic32"/"generic64" as arch target.
8191 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
8192 (ix86_reorg): Honor PAD_RETURNS.
8194 2006-01-19 Diego Novillo <dnovillo@redhat.com>
8196 * tree-pretty-print.c (dump_generic_node): Handle
8197 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
8198 * cgraph.c (cgraph_expand_queue): Rename from
8199 cgraph_analyze_queue. Update all users.
8200 * cgraphunit.c (cgraph_assemble_pending_functions): Process
8201 cgraph_expand_queue.
8202 (cgraph_expand_all_functions): Likewise.
8203 (cgraph_finalize_pending_functions): Remove. Update callers.
8205 * tree.h (OMP_DIRECTIVE_P): Define.
8206 (OMP_PARALLEL_FN): Define.
8207 (OMP_PARALLEL_DATA_ARG): Define.
8208 (OMP_SECTIONS_SECTIONS): Define.
8209 * tree-pass.h (pass_expand_omp): Declare.
8210 * omp-low.c (struct omp_region): Declare.
8211 (struct omp_context): Remove fields 'parallel_type',
8212 'parallel_start_ix' and 'parallel_start_additional_args'.
8213 Update all users.
8214 (struct omp_for_data): Rename from struct expand_omp_for_data.
8215 (omp_regions): New static variable.
8216 (root_omp_region): New static variable.
8217 (find_omp_clause): Make static.
8218 (is_in_combined_parallel_ctx): Remove.
8219 (is_combined_parallel): New.
8220 (extract_omp_for_data): Move earlier in the file.
8221 (workshare_safe_to_combine_p): New.
8222 (get_ws_args_for): New.
8223 (determine_parallel_type): Move earlier in the file.
8224 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
8225 child function.
8226 (omp_copy_decl): Likewise.
8227 (create_omp_child_function): Likewise.
8228 (lookup_omp_region): New.
8229 (dump_omp_region): New.
8230 (debug_omp_region): New.
8231 (debug_all_omp_regions): New.
8232 (new_omp_region): New.
8233 (scan_omp_parallel): If parallel_nesting_level > 1, the
8234 directive is nested within another parallel directive.
8235 Set OMP_PARALLEL_FN.
8236 (scan_omp_for): Do not try to handle combined parallel+for
8237 cases.
8238 Remove FIXME comment.
8239 (scan_omp_nested): Remove.
8240 (scan_omp_1): Do not call scan_omp_nested when
8241 parallel_nesting_level is > 1.
8242 Do not change the DECL_CONTEXT of local variables found.
8243 (lookup_decl_in_outer_ctx): New.
8244 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
8245 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
8246 (lower_reduction_clauses): Rename from expand_reduction_clauses.
8247 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
8248 If CTX is nested, lookup VAR in the outer context when
8249 building copy assignment.
8250 (lower_send_clauses): Rename from expand_send_clauses.
8251 If CTX is nested, lookup VAR in the outer context when
8252 building copy assignments.
8253 (lower_send_shared_vars): Rename from expand_send_shared_vars.
8254 If CTX is nested, lookup VAR in the outer context when
8255 building copy assignments.
8256 (expand_parallel_call): Rename from build_parallel_call.
8257 Handle combined parallel+workshare cases.
8258 Re-implement to emit code into the CFG.
8259 (list2chain): New.
8260 (expand_omp_parallel): Re-implement to emit code into the CFG.
8261 Call move_sese_region_to_fn to outline the sub-graph
8262 containing the parallel region.
8263 (expand_omp_for_1): Remove.
8264 (expand_omp_for_generic): Re-implement to emit code into the
8265 CFG.
8266 (expand_omp_for_static_nochunk): Likewise.
8267 (expand_omp_for_static_chunk): Likewise.
8268 (expand_omp_for): Likewise.
8269 (expand_omp_sections): Likewise.
8270 (remove_exit_barriers): New.
8271 (expand_omp_synch): New.
8272 (expand_omp): New.
8273 (build_omp_regions_1): New.
8274 (build_omp_regions): New.
8275 (execute_expand_omp): New.
8276 (gate_expand_omp): New.
8277 (pass_expand_omp): Define.
8278 (lower_omp_sections): Rename from expand_omp_sections.
8279 Set OMP_SECTIONS_SECTIONS.
8280 (lower_omp_single_simple): Rename from expand_omp_single_simple.
8281 (lower_omp_single_copy): Rename from expand_omp_single_copy.
8282 (lower_omp_single): Rename from expand_omp_simple.
8283 (lower_omp_master): Rename from expand_omp_master.
8284 (lower_omp_ordered): Rename from expand_omp_ordered.
8285 (lower_omp_critical): Rename from expand_omp_critical.
8286 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
8287 (lower_omp_for): Re-implement.
8288 (lower_omp_parallel): Re-implement.
8289 (lower_regimplify): Rename from expand_regimplify.
8290 (lower_omp_1): Rename from expand_omp_1.
8291 If there are syntax errors in the program, replace every
8292 OpenMP directive with NOP.
8293 Call lower_omp_* instead of expand_omp_*.
8294 (lower_omp): Rename from expand_omp.
8296 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
8297 * tree-gimple.h (enum omp_parallel_type): Remove.
8298 (gimple_boolify): Declare extern.
8299 (find_omp_clause, determine_parallel_type): Remove.
8301 * gimple-low.c (lower_omp_directive): New.
8302 (lower_stmt): Call it.
8303 (record_vars_into): Move from ...
8304 (record_vars): ... here.
8305 Call record_vars_into with current_function_decl.
8307 * gimplify.c (struct gimplify_ctx): Remove fields
8308 combined_pre_p and combined_ctxp. Update users.
8309 (get_formal_tmp_var): Add documentation.
8310 (gimple_boolify): Make extern.
8311 (gimplify_expr_in_ctx): Remove. Update callers.
8312 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
8313 will always be a BIND_EXPR.
8314 (gimplify_expr): Handle OMP_RETURN_EXPR.
8315 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
8316 (OMP_PARALLEL): Add 3 operands.
8317 (OMP_SECTIONS): Add 1 operand.
8318 (OMP_RETURN_EXPR): Define.
8320 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
8321 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
8322 * tree-iterator.c (alloc_stmt_list): Assert that we are not
8323 creating a circular free list.
8324 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
8326 * tree-flow.h (move_sese_region_to_fn): Declare.
8327 (record_vars_into): Declare.
8328 * tree-cfg.c (make_omp_sections_edges): New.
8329 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
8330 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
8331 OMP_SECTIONS and OMP_SECTION.
8332 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
8333 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
8334 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
8335 (gather_blocks_in_sese_region): New.
8336 (struct move_stmt_d): Declare.
8337 (move_stmt_r): New.
8338 (move_block_to_fn): New.
8339 (move_sese_region_to_fn): New.
8341 * passes.c (init_optimization_passes): Schedule
8342 pass_expand_omp after pass_init_datastructures.
8344 * tree-ssa-operands.c (get_expr_operands): Handle
8345 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
8346 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
8348 2006-01-19 Jeff Law <law@redhat.com>
8350 * tree-vrp.c (extract_range_from_assert): Refine the result range
8351 if the variable referenced by the ASSERT_EXPR has a range and
8352 either the tentative result range or the previous range is a
8353 VR_ANTI_RANGE.
8355 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8357 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
8359 2006-01-19 Jan Hubicka <jh@suse.cz>
8361 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
8363 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
8365 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
8366 (expand_compound_operation, expand_field_assignment): Fail if the
8367 bit lengths of an extract operation are out of range.
8368 (make_extraction): Compute wanted_inner_mode based on the position
8369 and length of the extraction. Make it extraction_mode for non-constant
8370 positions, and do not modify offset in that case. When generating a
8371 new MEM, use a mode that can hold the extraction while keeping correct
8372 alignment. Remove code that supported MEMs wrapped by USEs.
8373 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
8375 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
8377 * config/s390/s390.md ("Y", "y"): New mode attribute.
8378 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8379 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
8380 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
8381 "*addsi3_imm_cc", "*addsi3_carry1_cc",
8382 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
8383 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
8384 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
8385 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
8386 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
8387 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
8388 "addsi3", "subsi3"): Insn patterns removed.
8389 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
8390 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
8391 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
8392 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
8393 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
8394 "*sub<mode>3_cconly2"): New insn patterns.
8395 ("addsi3", "subsi3"): New expanders.
8397 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
8399 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
8400 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
8401 existing STMT_VINFO_VECTYPE if available.
8402 (vect_mark_relevant): Add special handling for stmts that are
8403 marked as STMT_VINFO_IN_PATTERN_P.
8404 (vect_analyze_loop): Call vect_pattern_recog.
8405 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
8406 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
8407 stmt_info.
8408 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
8409 (vect_recog_func_ptr): New function-pointer type.
8410 * tree-vect-patterns.c: New file.
8411 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
8412 (vect_recog_dot_prod_pattern, vect_pattern_recog):
8413 (vect_pattern_recog_1): New functions.
8414 (vect_pattern_recog_funcs): New array of function pointers.
8416 * tree-vectorizer.h (ternary_op): New enum value.
8417 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
8418 declaration. Revised documentation. Removed redundant dump prints.
8419 Removed redundant argument. Added support for reduction patterns.
8420 (vectorizable_reduction): Added support for reduction patterns.
8421 (vect_transform_stmt): Added support for patterns.
8423 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
8424 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
8425 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
8426 (expand_widen_pattern_expr): New function.
8427 (init_optabs): Initialize new optabs udot_prod_optab,
8428 sdot_prod_optab.
8429 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
8430 (sdot_prod_optab, udot_prod_optab): Define new optabs.
8431 (expand_widen_pattern_expr): New function declaration.
8432 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
8433 tree-codes.
8434 * tree-inline.c (estimate_num_insns_1): Added cases for new
8435 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8436 * tree-pretty-print.c (dump_generic_node): Likewise.
8437 (op_prio): Likewise.
8438 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
8439 * tree-ssa-operands.c (get_expr_operands): Added case for
8440 DOT_PROD_EXPR.
8441 * tree-vect-patterns.c (widened_name_p): New function.
8442 (vect_recog_dot_prod_pattern): Added function implementation.
8443 * tree-vect-transform.c (get_initial_def_for_reduction): Added
8444 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
8445 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
8446 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
8448 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
8449 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
8450 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
8451 (init_optabs): Initialize new optabs widen_ssum_optab,
8452 widen_usum_optab.
8453 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
8454 (widen_ssum_optab, widen_usum_optab): Define new optabs.
8455 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
8456 use instead of type of def.
8457 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
8458 function implementation.
8459 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
8460 widen_ssumv8hi): New.
8462 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
8463 patterns.
8465 2006-01-19 Richard Sandiford <richard@codesourcery.com>
8467 PR c/25805
8468 * c-decl.c (add_flexible_array_elts_to_size): New function.
8469 (finish_decl): Use it.
8471 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
8473 * diagnostic.h: Include options.h.
8474 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
8475 dependancies for diagnostic.h.
8476 * Makefile.in (DIAGNOSTIC_H): Add options.h.
8478 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
8480 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
8481 (ssa_ro_call_cache_valid): Ditto.
8482 * tree-ssa-alias.c (sort_tags_by_id): New function.
8483 (init_transitive_clobber_worklist): Ditto.
8484 (add_to_worklist): Ditto.
8485 (mark_aliases_call_clobbered): Ditto.
8486 (compute_tag_properties): Ditto.
8487 (set_initial_properties): Ditto.
8488 (compute_call_clobbered): Ditto.
8489 (compute_may_aliases): Call compute_call_clobbered and grouping.
8490 (compute_flow_sensitive_aliasing): Remove clobbering related code.
8491 (compute_flow_insensitive_aliasing): Grouping now happens in our
8492 caller.
8493 (setup_pointers_and_addressables): Remove clobbering related code.
8494 (add_may_alias): Ditto.
8495 (replace_may_alias): Ditto.
8496 (get_nmt_for): Ditto.
8497 (create_global_var):
8498 (is_escape_site): Return an escape_type enumeration.
8499 * tree-flow-inline.h (is_call_clobbered): Global var does not
8500 imply call clobbered.
8501 (mark_call_clobbered): Take a reason for marking this. Remove
8502 marking of globalness, and cache invalidation.
8503 (clear_call_clobbered): Remove cache invalidation code.
8504 * tree-dfa.c (dump_variable): If details is on, dump the reason
8505 for escaping.
8506 * tree-outof-ssa.c (create_temp): Copy escape mask from original
8507 variable.
8508 * tree-flow.h (struct ptr_info_def): Add escape mask member.
8509 (struct var_ann_d): Ditto.
8510 (enum escape_type): New.
8511 (mark_call_clobbered): Adjust prototype.
8512 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
8513 are never call clobbered.
8514 Record reasons for escaping.
8515 * tree-ssa-structalias.h (is_escape_site): Update prototype.
8516 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
8517 (ssa_ro_call_cache_valid): Ditto.
8518 (clobbered_v_may_defs): Ditto.
8519 (clobbered_vuses): Ditto.
8520 (ro_call_vuses): Ditto.
8521 (clobber_stats): New.
8522 (init_ssa_operands): Zero out clobber stats.
8523 (fini_ssa_operands): Print out clobber stats.
8524 (get_call_expr_operands): Pass callee fndecl to
8525 add_call_read_ops).
8526 (add_call_clobber_ops): Remove use of cache.
8527 Add use of PURE_CONST information.
8528 (add_call_read_ops): Remove use of cache.
8529 Add use of static not_read information.
8531 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
8533 Introduce TLS descriptors for i386 and x86_64.
8534 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
8535 (TARGET_ANY_GNU_TLS): New macro.
8536 (enum tls_dialect): Added TLS_DIALECT_GNU2.
8537 (struct machine_function): Add tls_descriptor_call_expanded_p.
8538 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
8539 (ix86_current_function_calls_tls_descriptor): Likewise.
8540 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
8541 (override_options): Introduce gnu2 tls dialect.
8542 (ix86_frame_pointer_required): Functions containing TLSCALLs are
8543 not leaves.
8544 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
8545 Likewise.
8546 (legitimize_tls_address): Adjust logic for GNU2 TLS.
8547 (ix86_init_machine_status): Initialize new field.
8548 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
8549 (ix86_tls_module_base): New.
8550 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
8551 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
8552 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
8553 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
8554 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
8555 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
8556 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
8557 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
8558 * config/i386/predicates.md (tls_modbase_operand): New.
8559 (tp_or_register_operand): New.
8561 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
8563 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
8564 (look_for_address_of): Ditto.
8565 (ipa_init): Walk the function decls.
8566 (static_execute): Don't set readonly on FUNCTION_DECL's.
8568 2006-01-18 Roger Sayle <roger@eyesopen.com>
8570 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
8571 for shifts where the source and destination registers are different.
8573 2006-01-18 Paul Brook <paul@codesourcery.com>
8575 Merge from csl-arm-branch.
8576 2005-03-14 Julian Brown <julian@codesourcery.com>
8577 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
8578 (aeabi_llsl): Likewise.
8579 (ashrdi3): Likewise.
8580 (aeabi_lasr): Likewise.
8581 (lshrdi3): Likewise.
8582 (aeabi_llsr): Likewise.
8583 2005-03-10 Julian Brown <julian@codesourcery.com>
8584 * config.gcc: Disable shared libgcc for SymbianOS.
8585 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
8587 2006-01-18 DJ Delorie <dj@redhat.com>
8589 * c-pragma.c (handle_pragma_diagnostic): New.
8590 (init_pragma): Register it.
8591 * doc/extend.texi: Document it.
8593 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
8594 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
8595 (diagnostic_context): Add classify_diagnostic[].
8596 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
8597 as errors if they're overridden to DK_WARNING.
8598 (diagnostic_initialize): Initialize classify_diagnostic[].
8599 (diagnostic_set_kind_override): New.
8600 (diagnostic_report_diagnostic): Check for kind changes.
8601 * opts.c (common_handle_option): Take lang_mask. Update callers.
8602 Handle OPT_Werror_.
8603 * common.opt (Werror=): New.
8604 * doc/invoke.texi: Document -Werror=*
8606 2006-01-18 Jeff Law <law@redhat.com>
8608 * tree-vrp.c (test_for_singularity): Correct test for new
8609 min limit. Use operand_equal_p rather than pointer equality
8610 for testing if new min/max values are equal.
8612 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
8613 using range information until after propagation and folding.
8615 2006-01-18 Richard Henderson <rth@redhat.com>
8616 Aldy Hernandez <aldyh@redhat.com>
8617 Jakub Jelinek <jakub@redhat.com>
8618 Diego Novillo <dnovillo@redhat.com>
8620 * omp-low.c: New file.
8621 * c-omp.c: New file.
8623 2006-01-18 Richard Henderson <rth@redhat.com>
8624 Jakub Jelinek <jakub@redhat.com>
8625 Diego Novillo <dnovillo@redhat.com>
8627 * doc/invoke.texi: Document -fopenmp.
8628 * tree-dump.h (debug_function): Declare.
8629 * hooks.c (hook_bool_tree_bool_false): New function.
8630 (hook_tree_tree_null): Remove.
8631 (hook_tree_tree_tree_null): New.
8632 * hooks.h: Update to match.
8633 * tree-pretty-print.c (debug_tree_chain): New.
8634 (print_generic_expr): Handle TDF_CHAIN.
8635 (dump_generic_node): Handle BLOCK.
8636 Do not abort with incomplete SWITCH_EXPRs.
8637 Do not dump body of an OpenMP directive if TDF_SLIM is given.
8638 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
8639 print space after directive name.
8640 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
8641 Handle OMP_MASTER and OMP_ORDERED.
8642 Handle printing of OMP_BODY just in one place, goto
8643 dump_omp_body in the rest of OMP_* nodes that have
8644 OMP_BODY.
8645 Don't handle clause nodes here. Update omp statements to
8646 use dump_omp_clauses.
8647 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
8648 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
8649 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
8650 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
8651 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
8652 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
8653 Adjust output for GOMP_PARALLEL.
8654 (dump_omp_clauses): New.
8655 (print_declaration): Dump DECL_VALUE_EXPR.
8656 (op_symbol_1): Split out of op_symbol.
8657 (dumping_stmts): Remove. Update all users.
8658 * cgraph.c (cgraph_analyze_queue): New.
8659 (cgraph_add_new_function): New.
8660 * cgraph.h (cgraph_analyze_queue): Declare.
8661 (cgraph_add_new_function): Declare.
8662 (cgraph_lower_function): Remove.
8663 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
8664 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
8665 and TYPE_P nodes in its default clause.
8666 (empty_body_p): New.
8667 (tree_range_check_failed): New.
8668 (build5_stat): New.
8669 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
8670 OMP_CLAUSE_REDUCTION_MERGE,
8671 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
8672 OMP_CLAUSE_PRIVATE_DEBUG,
8673 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
8674 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
8675 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
8676 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
8677 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
8678 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
8679 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
8680 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
8681 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
8682 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
8683 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
8684 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
8685 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
8686 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
8687 (TREE_RANGE_CHECK): New.
8688 (empty_body_p): Declare.
8689 (enum omp_clause_default_kind): New.
8690 (build_string_literal): Declare.
8691 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
8692 (build5_stat, build5): Declare.
8693 * tree-pass.h (TDF_CHAIN): Define.
8694 * tree-pass.h (PROP_gimple_lomp): Define.
8695 (pass_lower_omp): Declare.
8696 * diagnostic.h (debug_tree_chain): Declare.
8697 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
8698 mode_for_size.
8699 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
8700 * builtins.c (build_string_literal): Make extern.
8701 * gcc.c (include_spec_function): New.
8702 (static_spec_functions): Add it.
8703 (main): Move load of libgomp.spec ...
8704 (LINK_COMMAND_SPEC): ... here.
8705 (link_gomp_spec): New.
8706 (static_specs): Include it.
8707 (LINK_COMMAND_SPEC): Add link_gomp.
8708 (GOMP_SELF_SPECS): New.
8709 (driver_self_specs): Include it.
8710 (switch_matches): Don't mark inline.
8711 (main): Load libgomp.spec.
8712 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
8713 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
8714 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
8715 * tree-gimple.h (enum omp_parallel): Declare.
8716 (determine_parallel_type): Declare.
8717 (omp_firstprivatize_variable): Declare.
8718 (omp_reduction_init): Declare.
8719 (diagnose_omp_structured_block_errors): Declare.
8720 (struct walk_stmt_info): Add want_return_expr.
8721 (struct walk_stmt_info): Add want_bind_expr, want_locations.
8722 (find_omp_clause): Declare.
8723 (insert_field_into_struct): Declare.
8724 (struct walk_stmt_info): Move from tree-nested.c
8725 (walk_stmts): Declare.
8726 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
8727 to 200505.
8728 * cgraphunit.c (cgraph_lower_function): Make static.
8729 (cgraph_finalize_pending_functions): New.
8730 (cgraph_finalize_function): Call it.
8731 (cgraph_finalize_compilation_unit): Likewise.
8732 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
8733 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
8734 (BT_FN_UINT_UINT): New.
8735 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
8736 DEF_FUNCTION_TYPE_VAR_4): Document.
8737 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
8738 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
8739 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
8740 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
8741 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
8742 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
8743 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
8744 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
8745 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
8746 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
8747 into separate files.
8748 (DEF_GOMP_BUILTIN): New.
8749 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
8750 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
8751 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
8752 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
8753 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
8754 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
8755 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
8756 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
8757 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
8758 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
8759 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
8760 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
8761 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
8762 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
8763 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
8764 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
8765 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
8766 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
8767 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
8768 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
8769 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
8770 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
8771 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
8772 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
8773 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
8774 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
8775 * sync-builtins.def: New file, moved from builtins.def.
8776 * omp-builtins.def: New file, moved from builtins.def.
8777 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
8778 * gimple-low.c (lower_function_body): Clear data.
8779 (lower_stmt): Do not handle COMPOUND_EXPR.
8780 Remove call to print_node_brief.
8781 * c-tree.h (c_finish_omp_clauses): New prototype.
8782 (C_DECL_THREADPRIVATE_P): Define.
8783 (lookup_name_no_remap, c_omp_remap_private): Remove
8784 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
8785 (check_for_loop_decls): Update decl.
8786 (lookup_name_no_remap, c_omp_remap_private): Declare.
8787 (build_indirect_ref, build_modify_expr, pushdecl,
8788 pushdecl_top_level): Move to c-common.h.
8789 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
8790 before the switch, but just in the 2 places that need it.
8791 * c-decl.c (diagnose_mismatched_decls): Do not check for
8792 mismatched thread-local attributes when OLDDECL is marked
8793 threadprivate and NEWDECL has no thread-local attributes.
8794 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
8795 (c_gimple_diagnostics_recursively): Rename from
8796 c_warn_unused_result_recursively. Invoke
8797 diagnose_omp_structured_block_errors.
8798 (check_for_loop_decls): Return a singular decl found.
8799 * langhooks.c (lhd_omp_predetermined_sharing): Return
8800 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
8801 (lhd_omp_firstprivatize_type_sizes): New.
8802 (lhd_omp_assignment): New.
8803 (lhd_omp_predetermined_sharing): New.
8804 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
8805 (struct lang_hooks_for_types): Add
8806 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
8807 omp_predetermined_sharing, omp_disregard_value_expr,
8808 omp_private_debug_clause, omp_clause_default_ctor,
8809 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
8810 (c_finish_omp_clauses): New.
8811 (c_finish_bc_stmt): Diagnose break within omp for.
8812 (c_begin_omp_parallel, c_finish_omp_parallel): New.
8813 (build_unary_op): Return error_mark after reporting
8814 a readonly_error.
8815 (build_modify_expr): Likewise.
8816 * gimplify.c: Include optabs.h and pointer-set.h.
8817 (enum gimplify_omp_var_data): Declare.
8818 (struct gimplify_omp_ctx): Declare.
8819 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
8820 and combined_ctxp.
8821 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
8822 (push_gimplify_context, pop_gimplify_context): Allow nesting.
8823 (splay_tree_compare_decl_uid): New.
8824 (new_omp_context): New.
8825 (delete_omp_context): New.
8826 (gimple_add_tmp_var): Call omp_add_variable.
8827 (gimplify_bind_expr): Likewise.
8828 (gimplify_var_or_parm_decl): If omp_notice_variable returned
8829 true, disregard DECL_VALUE_EXPR on the decl if any.
8830 (gimplify_expr_in_ctx): New.
8831 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
8832 omp_add_variable, omp_notice_variable, omp_is_private
8833 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
8834 gimplify_adjust_omp_clauses, gimplify_omp_parallel
8835 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
8836 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
8837 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
8838 gimplify_omp_atomic): New.
8839 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8840 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8841 OMP_CRITICAL and OMP_ATOMIC.
8842 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
8843 * c-pragma.h (enum pragma_kind): Add
8844 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
8845 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
8846 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
8847 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
8848 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
8849 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
8850 PRAGMA_OMP_THREADPRIVATE.
8851 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
8852 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
8853 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
8854 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
8855 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
8856 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
8857 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
8858 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
8859 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
8860 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
8861 * tree-ssa-dce.c (find_control_dependence): Do not assume that
8862 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
8863 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
8864 OpenMP directives.
8865 (struct nesting_info): Add field_map,
8866 suppress_expansion, debug_var_chain.
8867 (create_nesting_tree): Initialize them.
8868 (lookup_field_for_decl): Use field_map.
8869 (get_nonlocal_debug_decl, get_local_debug_decl): New.
8870 (convert_local_omp_clauses): New.
8871 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
8872 (walk_body): Split out of walk_function.
8873 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
8874 (convert_nonlocal_reference): Handle omp statements.
8875 (convert_local_reference): Likewise.
8876 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
8877 (unnest_nesting_tree): New.
8878 (lower_nested_functions): Call it.
8879 (insert_field_into_struct): Make extern.
8880 (struct walk_stmt_info): Move to tree-gimple.h.
8881 (walk_stmts): Make extern.
8882 * omp-builtins.def: New file.
8883 * tree-iterator.c (expr_only): Clarify comment.
8884 * c-common.h (pushdecl_top_level, pushdecl,
8885 build_modify_expr, build_indirect_ref,
8886 c_finish_omp_master, c_finish_omp_critical,
8887 c_finish_omp_ordered, c_finish_omp_barrier,
8888 c_finish_omp_atomic, c_finish_omp_flush,
8889 c_finish_omp_for, c_split_parallel_clauses,
8890 omp_clause_default_kind, c_omp_sharing_predetermined,
8891 c_omp_remap_decl): Declare.
8892 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
8893 (OBJS-common): Add omp-low.o.
8894 (c-omp.o, omp-low.o): Add.
8895 (gimplify.o): Add dependency on $(OPTABS_H).
8896 (GTFILES): Add omp-low.c.
8897 (gt-stringpool.h): Add.
8898 * tree-cfg.c (set_bb_for_stmt): Do not update the
8899 block-to-labels map if we are currently expanding to RTL.
8900 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
8901 checks.
8902 Handle IDENTIFIER_NODE.
8903 (tree_verify_flow_info): Do not ICE when emitting error
8904 messages about invalid labels.
8905 (dump_function_to_file): Reset CFUN before emitting the body
8906 of the function.
8907 (debug_function): New.
8908 * passes.c (init_optimization_passes): Schedule
8909 pass_lower_omp.
8910 * langhooks-def.h (lhd_omp_predetermined_sharing,
8911 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
8912 Declare.
8913 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
8914 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
8915 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
8916 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
8917 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
8918 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
8919 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
8920 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
8921 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
8922 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
8923 (LANG_HOOK_DECLS): Use them.
8925 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
8926 Richard Henderson <rth@redhat.com>
8927 Jakub Jelinek <jakub@redhat.com>
8928 Diego Novillo <dnovillo@redhat.com>
8930 * c-parser.c (pragma_omp_clause): Define.
8931 (c_parser_declaration_or_fndef): Document OpenMP syntax.
8932 (c_parser_compound_statement): Likewise.
8933 (c_parser_statement): Likewise.
8934 (c_parser_pragma): Handle omp pragmas.
8935 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
8936 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
8937 (c_parser_omp_clause_name, check_no_duplicate_clause,
8938 c_parser_omp_variable_list,
8939 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
8940 c_parser_omp_clause_copyprivate,
8941 c_parser_omp_clause_default,
8942 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
8943 c_parser_omp_clause_lastprivate,
8944 c_parser_omp_clause_nowait,
8945 c_parser_omp_clause_num_threads,
8946 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
8947 c_parser_omp_clause_reduction,
8948 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
8949 c_parser_omp_all_clauses, c_parser_omp_structured_block,
8950 c_parser_omp_atomic, c_parser_omp_barrier,
8951 c_parser_omp_critical, c_parser_omp_flush,
8952 c_parser_omp_for_loop, c_parser_omp_for,
8953 c_parser_omp_master, c_parser_omp_ordered,
8954 c_parser_omp_sections_scope, c_parser_omp_sections,
8955 c_parser_omp_parallel, c_parser_omp_single,
8956 c_parser_omp_construct, c_parser_omp_threadprivate): New.
8957 * c-pragma.c (init_pragma): Do omp pragma registration here.
8958 * c.opt (fopenmp): New flag.
8960 2006-01-18 Eric Christopher <echristo@apple.com>
8962 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
8963 * config/darwin.h (GOMP_SELF_SPECS): Define.
8965 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8967 * rtl.h: Remove the prototype for reg_alloc.
8969 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8971 PR target/25731
8972 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
8973 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
8974 sjlj and dwarf2 exception handling.
8975 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
8976 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
8977 * pa/pa.c (function_value): Treat complex and vector types as
8978 aggregates.
8979 (function_arg): Likewise. Only pass scalar floats in the floating
8980 point argument registers.
8981 * pa/t-slibgcc-dwarf-ver: New file.
8982 * pa/t-slibgcc-sjlj-ver: New file.
8983 * pa/t-slibgcc-elf-ver: Delete file.
8985 2006-01-19 Alan Modra <amodra@bigpond.net.au>
8987 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
8988 unlikely_test_section_p test.
8990 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
8992 * mode-switching.c (optimize_mode_switching): Make it static.
8993 * basic-block.h: Remove the prototype for
8994 optimize_mode_switching.
8996 * modulo-sched.c (sms_schedule): Make it static.
8997 * rtl.h: Remove the prototype for sms_schedule.
8999 * postreload-gcse.c (gcse_after_reload_main): Make it static.
9000 * rtl.h: Remove the prototype for gcse_after_reload_main.
9002 * reg-stack.c (reg_to_stack): Make it static.
9003 * rtl.h: Remove the prototype for reg_to_stack.
9005 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
9006 Make them static.
9007 * rtl.h: Remove the prototypes for regrename_optimize and
9008 copyprop_hardreg_forward.
9010 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
9012 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
9013 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
9014 Test against the appropriate null constant for the mode.
9015 If 'fixup_overlap' is true, swap the operands if they overlap.
9016 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
9017 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
9018 alpha_split_tmode_pair and adjust for above change.
9019 * config/alpha/alpha.md (movtf_internal): Adjust call to
9020 alpha_split_tfmode_pair and rely on it to swap the operands.
9021 (movti_internal): New insn and post-reload splitter.
9022 (movti): New expander.
9024 2006-01-18 Philippe De Muyter <phdm@macqel.be>
9026 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
9027 operands.
9029 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
9031 * rtlanal.c (global_reg_mentioned_p_1,
9032 global_reg_mentioned_p): Remove.
9033 * rtl.h: Remove the prototype for global_reg_mentioned_p.
9035 * flow.c (initialize_uninitialized_subregs): Make it static.
9036 * rtl.h: Remove the prototype for
9037 initialize_uninitialized_subregs.
9039 * function.c (instantiate_virtual_regs): Make it static.
9040 * function.h: Remove the prototype for
9041 instantiate_virtual_regs.
9043 * regmove.c (regmove_optimize, combine_stack_adjustments):
9044 Make them static.
9045 * rtl.h: Remove the prototypes for regmove_optimize and
9046 combine_stack_adjustments.
9048 2006-01-17 Roger Sayle <roger@eyesopen.com>
9050 * config/i386/i386.c (COSTS_N_BYTES): New macro.
9051 (size_cost): Encode costs in bytes so that a reg-reg addition is
9052 equivalent to COSTS_N_INSNS(1).
9053 (override_options): Use the size_cost.branch_cost as the default
9054 ix86_branch_cost when optimizing for size.
9056 2006-01-18 Ben Elliston <bje@au.ibm.com>
9058 * Makefile.in (D32PBIT_FUNCS): New.
9059 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
9060 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
9061 D64PBIT_FUNCS and D128PBIT_FUNCS.
9062 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
9063 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
9064 D128PBIT are set.
9065 (decnumber_dep): Define.
9066 * doc/libgcc.texi (Decimal float library routines): New node.
9067 * config/dfp-bit.h, config/dfp-bit.c: New files.
9069 2006-01-18 Ben Elliston <bje@au.ibm.com>
9071 * expr.c (emit_move_change_mode): Always adjust addresses, not
9072 just during reload. Copy replacements only during reload.
9073 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
9074 emit_move_via_integer.
9076 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
9078 * Makefile.in (check-%, check-consistency): Use $${srcdir}
9079 instead of $(srcdir) and ${srcdir}.
9081 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
9083 PR target/592
9084 PR middle-end/11135
9085 * arm.h (struct machine_function): Add pic_reg.
9086 * arm.c (arm_pic_register): Make unsigned.
9087 (arm_override_options): Only set arm_pic_register if
9088 TARGET_SINGLE_PIC_BASE.
9089 (use_return_insn): Only test for a pic register if it is fixed.
9090 (arm_compute_save_reg0_reg12_mask): Likewise.
9091 (thumb_compute_save_reg_mask): Likewise.
9092 (legitimate_pic_operand): Factor out some known invariants.
9093 (legitimize_pic_address): If we don't have a fixed pic register,
9094 then set up a pseudo in the function entry sequence. Handle the
9095 pic base being in a pseudo.
9096 (arm_load_pic_register): Handle the pic register being in a pseudo.
9097 (arm_expand_prologue): Only set up the pic register if it is fixed.
9098 (thumb_expand_prologue): Likewise.
9099 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
9100 (pic_load_addr_based_insn): Likewise.
9101 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
9102 fixed.
9104 2006-01-18 Ben Elliston <bje@au.ibm.com>
9106 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
9107 decimal float modes for all floating point registers.
9109 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
9110 match_code "mem" with match_test "macho_lo_sum_memory_operand".
9112 2006-01-17 Jakub Jelinek <jakub@redhat.com>
9114 PR c/25682
9115 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
9116 even when the pointer is not NULL.
9118 2006-01-16 Ian Lance Taylor <ian@airs.com>
9120 * common.opt (ftoplevel-reorder): New option.
9121 * cgraph.c (cgraph_asm_nodes): New global variable.
9122 (cgraph_asm_last_node): New static variable.
9123 (cgraph_order): New global variable.
9124 (cgraph_create_node): Set new order field.
9125 (cgraph_varpool_node): Likewise.
9126 (decide_is_variable_needed): Return true if not
9127 flag_toplevel_reorder.
9128 (cgraph_add_asm_node): New function.
9129 * cgraph.h (struct cgraph_node): Add order field.
9130 (struct cgraph_varpool_node): Add order field.
9131 (struct cgraph_asm_node): Define.
9132 (cgraph_asm_nodes, cgraph_order): Declare.
9133 (cgraph_add_asm_node): Declare.
9134 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
9135 function.
9136 (cgraph_varpool_assemble_pending_decls): Call it.
9137 (cgraph_output_pending_asms): New static function.
9138 (cgraph_finalize_compilation_unit): Call it.
9139 (struct cgraph_order_sort): Define.
9140 (cgraph_output_in_order): New static function.
9141 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
9142 !flag_toplevel_reorder case.
9143 * c-parser.c: Include "cgraph.h".
9144 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
9145 assemble_asm.
9146 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
9147 than -fno-unit-at-a-time.
9148 * doc/invoke.texi (Option Summary): Mention
9149 -fno-toplevel-reorder.
9150 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
9151 -funit-at-a-time documentation.
9153 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
9154 Kazu Hirata <kazu@codesourcery.com>
9156 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
9158 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
9160 * Makefile.in (FUNCTION_H): New. Use it instead of
9161 function.h throughout the file.
9162 * function.h: Include tree.h.
9164 2006-01-17 Ben Elliston <bje@au.ibm.com>
9166 * recog.c: Separate some functions with whitespace.
9168 2006-01-16 Richard Henderson <rth@redhat.com>
9170 Merge from gomp branch:
9171 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
9172 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
9173 and rename from struct inline_data. Rename callee* to dst*;
9174 caller* to src*; add copy_decl hook, transform_call_graph_edges,
9175 transform_new_cfg, transform_return_to_modify, and
9176 transform_lang_insert_block flags; remove cloning_p, versioning_p,
9177 update_clones_p.
9178 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
9179 (copy_decl_for_dup): Remove.
9180 * tree-inline.c (struct inline_data): Move to header.
9181 (insert_decl_map): Export.
9182 (remap_decl): Update for member name changes. Use copy_decl hook.
9183 Allow for replacement to be a non-decl. Remove dead code.
9184 (remap_type_1): Check for existing mapping.
9185 (remap_type): Export.
9186 (remap_decls): Update for member name changes.
9187 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
9188 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
9189 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
9190 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
9191 (tree_function_versioning, build_duplicate_type): Likewise.
9192 (copy_body_r): Likewise. Export.
9193 (copy_decl_for_dup): Split into ...
9194 (copy_decl_for_dup_finish, copy_decl_to_var,
9195 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
9196 (replace_ref_tree, inlining_p): Remove.
9198 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9200 * ifcvt.c (if_convert): Make it static.
9201 * rtl.h: Remove the prototype for if_convert.
9203 * local-alloc.c (local_alloc): Make it static.
9204 * rtl.h: Remove the prototype for local_alloc.
9206 * loop.c (loop_optimize): Make it static.
9207 * cfgloop.h: Remove the prototype for loop_optimize.
9208 * rtl.h: Likewise.
9210 2006-01-16 DJ Delorie <dj@redhat.com>
9212 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
9213 mems.
9215 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9217 * pa.md: Disparage copies between general and floating-point registers
9218 in 32-bit move patterns.
9220 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
9222 PR testsuite/25741
9223 * Makefile.in (check-%): Depend on site.exp instead of
9224 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
9225 directories.
9227 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9229 * global.c (global_alloc): Make it static.
9230 * rtl.h: Remove the prototype for global_alloc.
9232 2006-01-16 Richard Guenther <rguenther@suse.de>
9234 * tree-ssa-alias.c (struct used_part): Add write_only field.
9235 (get_or_create_used_part_for): Initialize it to true.
9236 (create_overlap_variables_for): Don't create structure variables
9237 for structures that only are written to.
9238 (find_used_portions): Handle MODIFY_EXPR to track whether a
9239 structure is only written to.
9241 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9243 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
9244 static.
9245 * basic-block.h: Remove the prototype for
9246 partition_hot_cold_basic_blocks.
9248 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
9250 * cppspec.c (lang_specific_spec_functions): Remove.
9251 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
9252 * gcc.h (lang_specific_spec_functions): Remove.
9253 * gccspec.c (lang_specific_spec_functions): Remove.
9255 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
9257 * combine.c (record_value_for_reg): Invalidate registers
9258 if INSN is null.
9259 (record_dead_and_set_regs_1): Likewise, by passing them to
9260 record_value_for_reg.
9261 (record_dead_and_set_regs): Invalidate stores made by a
9262 call. We do not combine across a call, but we still
9263 relied on equivalences.
9265 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9267 * tree-vrp.c (extract_range_from_binary_expr): Cope with
9268 vrp_int_const_binop returning non-constant nodes.
9270 2006-01-16 Paul Brook <paul@codesourcery.com>
9272 * config/m68k/m68k.c (output_move_const_into_data_reg):
9273 Output correct mnemonic for mvz and mvs.
9275 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
9277 * rtl-factoring.c: Add sequence abstraction algorithm.
9278 * cfgcleanup.c (outgoing_edges_match): Extra checks.
9279 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
9280 ABNORMAL edges.
9281 (block_has_preserve_label): New function.
9282 * common.opt: Register new pass.
9283 * Makefile.in: Ditto.
9284 * passes.c: Ditto.
9285 * timevar.def: Ditto.
9286 * tree-pass.h: Ditto.
9287 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
9288 * rtl.h (make_jump_insn_raw): Add forward decl.
9289 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
9291 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
9292 Roger Sayle <roger@eyesopen.com>
9294 * fold-const.c (fold_minmax): New static function.
9295 (fold_binary) <MIN_EXPR>: Call it.
9296 <MAX_EXPR>: Likewise.
9297 * stor-layout.c (place_field): Use DECL_SIZE consistently
9298 in the computation of the new record size.
9300 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
9302 * cse.c (cse_condition_code_reg): Make it static.
9303 * rtl.h: Remove the prototype for cse_condition_code_reg.
9305 * combine.c (combine_instructions): Make it static.
9306 * rtl.h: Remove the prototype for combine_instructions.
9308 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9310 PR target/25168
9311 * tree.c (get_file_function_name_long): Concatenate the first global
9312 object name with a string derived from the input filename of the object
9313 for type "F".
9315 2006-01-16 Ben Elliston <bje@au.ibm.com>
9317 * config/i386/winnt-stubs.c: Update FSF address.
9318 * config/xtensa/ieee754-df.S: Ditto.
9319 * config/xtensa/ieee754-sf.S: Ditto.
9321 2006-01-14 Ian Lance Taylor <ian@airs.com>
9323 * ifcvt.c (noce_init_if_info): New static function, broken out of
9324 noce_process_if_block.
9325 (noce_process_if_block): Call noce_init_if_info.
9326 (check_cond_move_block): New static function.
9327 (cond_move_process_if_block): New static function.
9328 (process_if_block): Call cond_move_process_if_block.
9330 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
9332 * cselib.c (hash_table): Rename to cselib_hash_table.
9333 (cselib_clear_table, discard_useless_values,
9334 remove_useless_values, cselib_lookup_mem, cselib_lookup,
9335 cselib_init, cselib_finish): Adjust uses of hash_table.
9337 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
9339 PR tree-optimization/25485
9340 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
9341 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
9342 is known to be false and true, respectively.
9344 2006-01-14 Richard Guenther <rguenther@suse.de>
9346 PR tree-optimization/22548
9347 PR tree-optimization/22555
9348 PR tree-optimization/22501
9349 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
9350 * params.def (salias-max-array-elements): New parameter.
9351 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
9352 * doc/invoke.texi (salias-max-array-elements): Document.
9353 * tree-flow-inline.h (var_can_have_subvars): We also handle
9354 arrays now.
9355 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
9356 COMPONENT_REF.
9357 * tree-ssa-structalias.c (params.h): Include.
9358 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
9359 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
9360 (get_constraint_for): For ADDR_EXPR operating on something
9361 containing an ARRAY_REF, add all subvars to the solution.
9362 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
9363 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
9364 for creating MUST_DEFs.
9365 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
9367 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
9369 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
9370 functions.
9371 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
9372 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
9373 number_of_iterations_le): New functions.
9374 (number_of_iterations_special): Removed.
9375 (number_of_iterations_exit): Do not use number_of_iterations_special.
9376 * tree.c (unsigned_type_for): Always return integer type.
9378 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
9379 Richard Guenther <rguenther@suse.de>
9381 PR rtl-optimization/24257
9382 * gcse.c (find_moveable_store): Only consider a store movable
9383 when the SET_SRC of the insn can be assigned to a register.
9385 2006-01-14 Ian Lance Taylor <ian@airs.com>
9387 * tree.c (tree_not_class_check_failed): New function.
9388 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
9389 (tree_not_class_check_failed): Declare.
9391 2006-01-13 Ian Lance Taylor <ian@airs.com>
9393 * reload1.c (do_output_reload): Add assertion rejecting a
9394 CALL_INSN.
9396 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
9398 * combine.c (struct reg_stat): Add new fields truncation_label and
9399 truncated_to_mode.
9400 (record_value_for_reg): Reset truncated_to_mode.
9401 (record_truncated_value): New function.
9402 (check_promoted_subreg): Call it. Rename to check_conversions.
9403 (combine_instructions): Rename check_promoted_subreg to
9404 check_conversions.
9405 (reg_truncated_to_mode): New function.
9406 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
9407 (gen_lowpart_or_truncate): New function.
9408 (force_to_mode): Use it instead of gen_lowpart.
9410 2006-01-13 Diego Novillo <dnovillo@redhat.com>
9412 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
9413 VAR is a tag, not its type tag.
9415 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
9417 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
9418 alternatives to match style of other entries.
9419 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
9421 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
9423 PR tree-optimization/25771
9424 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
9425 SSA_NAMES.
9427 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
9429 PR tree-opt/24365
9430 * tree-inline.c (declare_return_variable): If the return variable
9431 was marked as a non gimple complex, set the return slot variable
9432 to be a non gimple comple variable.
9434 2006-01-13 Richard Guenther <rguenther@suse.de>
9436 * builtins.c (expand_builtin_sincos): New function.
9437 (expand_builtin_mathfn_3): Remove dead code, sin and cos
9438 do not set errno.
9439 (expand_builtin): Expand sincos using expand_builtin_sincos.
9441 2006-01-12 DJ Delorie <dj@redhat.com>
9443 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
9444 shift counts, separate SI shifts for m32c vs m16c, pass shift type
9445 so that constant shifts can be split.
9446 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
9447 (m32c_valid_pointer_mode): Make static.
9448 (shift_gen_func_for): New.
9449 (m32c_prepare_shift): Use it. Split large const shifts into
9450 multiple shifts.
9451 * config/m32c/predicates.md (shiftcount_operand): Allow more
9452 general operands.
9453 (longshiftcount_operand): New.
9454 * doc/md.texi (Machine Constraints): Document In6.
9456 2006-01-13 Ben Elliston <bje@au.ibm.com>
9458 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
9459 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
9460 documentation.
9462 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
9464 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
9465 to try to avoid clobbering pieces of structures when we know
9466 something about the whole structure.
9467 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
9469 2006-01-13 Ben Elliston <bje@au.ibm.com>
9471 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
9472 return in memory, as this is no limitation is no longer present.
9474 2006-01-12 DJ Delorie <dj@redhat.com>
9476 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
9477 mova with fb, and for fb+0 -> An.
9479 * config/m32c/mov.md (peephole2): Fix enabling logic.
9481 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
9482 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
9483 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
9484 FINI_ARRAY_SECTION_ASM_OP): Define.
9486 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
9487 variable.
9488 (m32c_legitimize_reload_address): New logic to reload FB to An.
9489 (m32c_output_reg_push): Add newline.
9490 (m32c_output_reg_pop): Likewise.
9492 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
9494 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
9496 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
9498 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9500 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9502 * config/sh/predicates.md (sh_rep_vec): Add parallel to
9503 match_code.
9505 2006-01-11 Ben Elliston <bje@au.ibm.com>
9507 * rtlanal.c (find_reg_note): Assert insn is not null.
9509 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9511 * df-scan.c (df_hard_reg_init): Move declaration of i outside
9512 ifdef.
9514 2006-01-11 Jeff Law <law@redhat.com>
9516 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
9517 hold edge pairs.
9518 (mark_threaded_blocks, register_jump_thread): New functions.
9519 (thread_through_all_blocks): Remove unwanted argument. No
9520 longer rely on e->aux to communicate thread target info.
9521 Call mark_threaded_blocks. Release the threaded_blocks
9522 bitmap and threaded_edges vector when complete.
9523 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
9524 (threaded_blocks): Remove.
9525 (tree_ssa_dominator_optimize): Remove initialization and
9526 finalization of threaded_blocks. Simplify call to
9527 thread_through_all_blocks.
9528 (thread_across_edge): Call register_jump_thread rather than
9529 storing thread information into e->aux.
9530 (free_all_edge_infos): Simplify now that e->aux is no longer
9531 used to communicate with thread_through_all_blocks.
9532 * tree-flow.h (thread_through_all_blocks): Update prototype.
9533 (register_jump_thread): Prototype.
9535 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9537 * df-core.c (df_compact_blocks, df_bb_replace): Use
9538 SET_BASIC_BLOCK instead of BASIC_BLOCK.
9540 2006-01-11 Richard Guenther <rguenther@suse.de>
9542 PR tree-optimization/25734
9543 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
9544 stop propagation after successful propagation to the LHS.
9546 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
9548 * basic-block.h (control_flow_graph): Change the type of
9549 x_basic_block_info to VEC(basic_block,gc) *.
9550 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
9551 basic_block_info.
9552 (SET_BASIC_BLOCK): New.
9553 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
9554 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
9555 * cfgbuild.c (find_basic_blocks): Likewise.
9556 * cfglayout.c (fixup_reorder_chain): Likewise.
9557 * cfgrtl.c (create_basic_block_structure,
9558 rtl_create_basic_block): Likewise.
9559 * ifcvt.c (find_if_case_1): Likewise.
9560 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
9561 Likewise.
9563 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
9565 * Makefile.in: Removed rotted odf.c entry.
9567 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
9569 PR target/25706
9570 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
9571 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
9572 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
9573 output pattern modifier, not %e.
9574 * config/cris/cris.c (cris_op_str): Update comment about pattern
9575 modifier.
9576 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
9577 before falling through into...
9578 <case 'E'>: Redefined from old 'e' case.
9580 2006-01-11 Jan Hubicka <jh@suse.cz>
9582 PR target/25042
9583 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
9585 2006-01-11 Jan Hubicka <jh@suse.cz>
9587 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
9588 * i386.c (x86_decompose_lea): Kill.
9589 (ix86_rtx_costs): Kill.
9591 2006-01-11 Jan Hubicka <jh@suse.cz>
9593 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
9594 * cgraph.h (cgraph_node): Add inline_decl.
9595 (cgraph_insert_node_to_hashtable): Declare.
9596 (save_inline_function_body): Declare.
9597 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
9598 clones.
9599 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
9600 (cgraph_function_versioning): Update call of tree_function_versioning.
9601 (save_inline_function_body): New function.
9602 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
9603 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
9604 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
9605 (cgraph_default_inline_p): Likewise.
9606 (cgraph_decide_inlining_incrementally): Likewise.
9607 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
9608 (copy_bb): Kill saving; do updating of clones.
9609 (copy_cfg_body): Kill saving.
9610 (initialize_inlined-parameters): Likewise.
9611 (expand_call_inline): Likewise.
9612 (save_body): Kill.
9613 (tree_function_versioning): New parameter "update_clones".
9614 (inlining_p): Kill saving.
9615 * tree-inline.h (tree_function_versioning): Update prototype.
9616 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
9617 saving.
9619 2006-01-11 Ian Lance Taylor <ian@airs.com>
9621 * combine.c (struct undo): Remove is_int. Enumify types of undos.
9622 Allow undoing set of machine mode.
9623 (do_SUBST): Use enums instead of is_int.
9624 (do_SUBST_MODE): New function.
9625 (SUBST_MODE): New macro.
9626 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
9627 reg and trying to replace reg_regno_rtx with a new register.
9628 (undo_all): Use new enums, handle undoing a PUT_MODE change.
9629 (simplify_set): Use SUBST_MODE.
9630 (distribute_notes): Remove code that tried to update reg notes
9631 for regno_reg_rtx changes.
9633 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
9635 PR tree-optimization/23109
9636 PR tree-optimization/23948
9637 PR tree-optimization/24123
9639 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
9640 * tree-cfg.c (single_noncomplex_succ): New.
9641 * tree-flow.h (single_noncomplex_succ): Declare it.
9642 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9643 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
9644 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
9645 insert_bb, register_division_in, insert_reciprocals,
9646 replace_reciprocal, free_bb): New.
9647 (execute_cse_reciprocals_1): Rewritten.
9648 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
9649 Do not commit any edge insertion. Always compute dominators and
9650 create the allocation pool.
9651 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
9652 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
9653 * targhooks.c (default_min_divistions_for_recip_mul): New.
9654 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
9655 * passes.c (init_optimization_passes): Run recip after tree loop
9656 optimizations.
9657 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
9659 2006-01-11 Danny Berlin <dberlin@dberlin.org>
9660 Kenneth Zadeck <zadeck@naturalbridge.com>
9662 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
9663 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
9664 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
9665 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
9666 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
9667 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
9668 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
9669 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
9670 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
9671 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
9672 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
9673 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
9674 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
9675 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
9676 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
9677 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
9678 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
9679 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
9680 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
9681 DF_SCAN_POST_ALLOC): New macros.
9682 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
9683 df_free_bb_function, df_local_compute_function, df_init_function,
9684 df_dataflow_function, df_confluence_function_0,
9685 df_confluence_function_n, df_transfer_function,
9686 df_finalizer_function, df_free_function, df_dump_problem_function,
9687 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
9688 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
9689 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
9690 df_urec_bb_info, ) New types.
9691 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
9692 variables.
9693 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
9694 df_analyze_simple_change_some_blocks,
9695 df_analyze_simple_change_one_block, df_compact_blocks,
9696 df_bb_replace, df_bb_regno_last_use_find,
9697 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
9698 df_insn_regno_def_p, df_find_def, df_find_use,
9699 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
9700 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
9701 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
9702 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
9703 debug_df_chain, df_get_dependent_problem, df_chain_create,
9704 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
9705 df_grow_bb_info, df_chain_dump, df_print_bb_index,
9706 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
9707 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
9708 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
9709 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
9710 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
9711 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
9712 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
9713 df_ref_remove, df_insn_refs_delete, df_refs_delete,
9714 df_reorganize_refs, df_set_state, df_hard_reg_init,
9715 df_read_modify_subreg_p) New public functions.
9716 * df-core.c: The core dataflow solver and glue routines for rtl
9717 dataflow.
9718 (df_init, df_add_problem, df_set_blocks, df_finish,
9719 df_hybrid_search_forward, df_hybrid_search_backward,
9720 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
9721 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
9722 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
9723 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
9724 df_reg_defined, df_find_use, df_reg_used, df_dump,
9725 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
9726 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
9727 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
9728 debug_df_useno, reset_df_after_reload): New functions.
9729 * df-scan.c: The scanning fuctions, once in df.c, completely
9730 rewritten so that they now fully model the functionality of
9731 register usage at the backend.
9732 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
9733 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
9734 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
9735 df_grow_insn_info, df_rescan_blocks, df_ref_create,
9736 df_get_artificial_defs, df_get_artificial_uses,
9737 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
9738 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
9739 df_refs_delete, df_reorganize_refs, df_set_state,
9740 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
9741 df_def_record_1, df_defs_record, df_uses_record,
9742 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
9743 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
9744 df_record_exit_block_uses, df_hard_reg_init): New functions.
9746 * df-problems.c: Seven concrete dataflow problems that use the
9747 scanning in df-scan.c and are solved by the engine in df-core.c.
9748 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
9749 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
9750 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
9751 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
9752 df_ru_free_bb_info, df_ru_alloc,
9753 df_ru_bb_local_compute_process_def,
9754 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
9755 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
9756 df_ru_transfer_function, df_ru_free, df_ru_dump,
9757 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
9758 df_rd_free_bb_info, df_rd_alloc,
9759 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
9760 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
9761 df_rd_transfer_function, df_rd_free, df_rd_dump,
9762 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
9763 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
9764 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
9765 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
9766 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
9767 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
9768 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
9769 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
9770 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
9771 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
9772 df_urec_mark_reg_change, df_urec_check_earlyclobber,
9773 df_urec_mark_reg_use_for_earlyclobber,
9774 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
9775 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
9776 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
9777 df_urec_dump, df_urec_add_problem, df_chain_alloc,
9778 df_chain_create_bb_process_use, df_chain_create_bb,
9779 df_chain_finalize, df_chain_free, df_chains_dump,
9780 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
9781 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
9782 df_reg_lifetime): New functions.
9783 * df.c: Deleted file.
9784 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
9785 consistent with new df api.
9786 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
9787 rest_of_handle_sms): Ditto.
9788 * web.c (unionfind_union, union_defs, entry_register, web_main):
9789 Ditto.
9790 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
9791 invariant_expr_equal_p, find_defs, check_dependencies,
9792 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
9793 free_inv_motion_data, move_loop_invariants): Ditto.
9794 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
9795 Update dependencies.
9796 (odf.c): Added defective entry that was deleted later in day.
9797 * sched-deps.c (sched_analyze_1): Ditto.
9799 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
9801 * tree-ssa-operands.c (get_expr_operands): Record addressable
9802 variables directly. Do not call add_stmt_operands for CONST_DECLs
9803 and ARRAY_DECLs.
9804 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
9805 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
9807 2006-01-11 Ben Elliston <bje@au.ibm.com>
9809 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
9810 function returns true in the positive case.
9812 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9814 PR target/20754
9815 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
9816 for SI, DI, SF and DF modes. Add alternatives to copy between
9817 general and floating point registers to the 32-bit patterns.
9818 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
9819 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
9820 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
9821 generating 64-bit code.
9822 * config/pa/pa.c (output_move_double): Handle copies between general
9823 and floating registers.
9825 2006-01-10 Stuart Hastings <stuart@apple.com>
9827 * config/i386/i386.md (set_got): Update.
9828 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
9829 (builtin_setjmp_receiver): Mach-O support.
9830 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
9831 (GOT_SYMBOL_NAME): Define.
9832 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
9833 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
9834 * config/i386/i386.c (override_options): Revise for Darwin.
9835 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
9836 support. (darwin_x86_file_end): New. (output_set_got): Add label
9837 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
9838 * config/i386/i386-protos.h (output_set_got): Likewise.
9839 * config/darwin.c (machopic_legitimize_pic_address): Update
9840 regs_ever_live[].
9842 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
9844 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
9845 when MODE isn't BLKmode.
9847 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
9849 PR rtl-optimization/25367
9850 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
9852 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
9854 PR target/25718
9855 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
9856 for a negative bound.
9858 2006-01-10 Richard Guenther <rguenther@suse.de>
9860 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9861 Never override with anything constraint.
9863 2006-01-10 Jan Beulich <jbeulich@novell.com>
9865 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
9866 256 bits when optimize_size.
9868 2006-01-10 Jan Beulich <jbeulich@novell.com>
9870 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
9871 MASK_ALIGN_DOUBLE.
9872 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
9873 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
9874 arguments.
9876 2006-01-10 Ben Elliston <bje@au.ibm.com>
9878 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
9879 float modes.
9880 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
9881 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
9882 (USE_FP_FOR_ARG): Reject decimal float modes.
9883 (function_arg_advance): Likewise.
9884 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
9885 (rs6000_handle_altivec_attribute): Do not permit decimal floating
9886 point types in AltiVec vectors.
9887 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
9888 (rs6000_libcall_value): Likewise.
9890 2006-01-09 Bob Wilson <bob.wilson@acm.org>
9892 * config/xtensa/ieee754-df.S: New file.
9893 * config/xtensa/ieee754-sf.S: New file.
9894 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
9895 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
9896 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
9898 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
9900 * config/sh/predicates.md (binary_float_operator,
9901 binary_logical_operator, commutative_float_operator,
9902 equality_comparison_operator, greater_comparison_operator,
9903 less_comparison_operator, logical_operator,
9904 noncommutative_float_operator, shift_operator,
9905 symbol_ref_operand, unary_float_operator): Remove redundant
9906 conditionals.
9908 2006-01-09 Jeff Law <law@redhat.com>
9910 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
9911 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
9912 now unused arguments. Callers updated.
9913 (eliminate_redundant_computations): Remove now unused arguments,
9914 callers updated.
9915 (local_fold): Remove, no longer used.
9916 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
9917 and moved to...
9918 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
9919 (simplify_cond): New function.
9920 (forward_propagate_into_cond): Call simplify_cond.
9922 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
9924 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
9925 (*vec_extractv2di_1_sse): New.
9927 2006-01-09 Ben Elliston <bje@au.ibm.com>
9929 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
9931 2006-01-08 Richard Guenther <rguenther@suse.de>
9933 * tree-ssa-structalias.c (get_constraint_for): Remove
9934 anyoffset argument.
9935 (get_constraint_for_component_ref): Likewise.
9936 (do_deref): Likewise.
9937 (get_constraint_for): Likewise.
9938 (do_structure_copy): Likewise.
9939 (handle_ptr_arith): Likewise.
9940 (find_func_aliases): Likewise. Remove unused need_anyoffset
9941 variable.
9943 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
9944 Kaz Kojima <kkojima@gcc.gnu.org>
9946 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
9947 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
9948 (EXTRA_CONSTRAINT_C16): Remove.
9949 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
9950 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
9951 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
9952 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
9953 constants of SHmedia. Handle nested constant expressions of
9954 SHmedia correctly.
9955 (andcosts): Fix the costs for SHmedia constants.
9956 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
9957 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
9958 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
9959 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
9960 (movv4hi_i, movv2si_i): Likewise.
9961 (movsi_const): Adjust the second operand of ior so to match with
9962 the Csu constraint.
9963 (movdi_const, movdi_const_32bit): Likewise.
9964 (movdi_const_16bit+1): Don't sign-extend LOW.
9965 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
9966 step.
9967 (*double_shori): Fix the split condition. Use GEN_INT instead
9968 of get_int_mode calls. Mask lower 16-bit of the argument of
9969 the last GEN_INT.
9970 (sym2GOTPLT): Remove.
9971 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
9972 gen_rtx_UNSPEC.
9973 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
9974 instead of EXTRA_CONSTRAINT_C16.
9976 2006-01-07 Ian Lance Taylor <ian@airs.com>
9977 David Edelsohn <edelsohn@gnu.org>
9979 PR rtl-optimization/25662
9980 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
9981 for constant operands instead of simplify_gen_binary.
9982 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
9983 after trying simplify_binary_operation
9985 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
9987 * tree.c (iterative_hash_expr): Hash decls based on UID.
9989 2006-01-06 Eric Christopher <echristo@apple.com>
9991 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
9992 (TARGET_UNWIND_EMIT): Fix spelling.
9993 * target.h (gcc_target): Add except_table_label.
9994 * except.c (output_function_exception_table): Use.
9995 * varasm.c (default_emit_except_table_label): New.
9996 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
9997 define.
9998 (asm_out): Add here.
9999 * output.h (default_emit_except_table_label): Prototype.
10000 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
10001 * config/darwin.c (darwin_emit_except_table_label): Define.
10002 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
10004 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
10006 PR tree-optimization/18527
10007 * tree-ssa-loop-niter.c (number_of_iterations_cond,
10008 number_of_iterations_special, number_of_iterations_exit):
10009 Move base and step of an iv to a single structure. Add
10010 no_overflow flag, and use it in # of iterations analysis.
10011 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
10012 folded_casts argument.
10013 (simple_iv): Pass base and step in a structure. Set no_overflow
10014 flag.
10015 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
10016 Evaluate expensiveness of computing # of iterations instead of
10017 the final expression.
10018 * tree-scalar-evolution.h (affine_iv): New structure.
10019 (simple_iv): Declaration changed.
10020 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
10021 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
10022 find_givs_in_stmt): Changed due to simple_iv change.
10024 2006-01-06 Jeff Law <law@redhat.com>
10026 PR ada/24994
10027 * tree-cfg.c (bsi_replace): Rename final argument from
10028 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
10029 change (stmt -> orig_stmt).
10030 * tree-eh.c (verify_eh_throw_stmt_node): New function.
10031 (bsi_remove): Add new argument. Remove EH information
10032 if requested.
10033 (verify_eh_throw_table_statements): New function.
10034 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
10035 updated.
10036 * tree-optimize.c (execute_free_cfg_annotations): Verify
10037 the EH throw statement table after removing annotations.
10038 * except.h (verify_eh_throw_table_statements): Prototype.
10039 * tree-flow.h (bsi_remove): Update prototype.
10040 * tree-vrp.c (remove_range_assertions): Add new argument to
10041 bsi_remove call.
10042 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
10043 * tree-complex.c (expand_complex_div_wide): Likewise.
10044 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
10045 * tree-tailcall.c (eliminate_tailcall): Likewise.
10046 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
10047 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10048 * tree-nrv.c (tree_nrv): Likewise.
10049 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
10050 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
10051 (combine_blocks): Likewise.
10052 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
10053 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
10054 (cleanup_control_flow): Likewise.
10055 (remove_forwarder_block): Likewise.
10056 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10057 * tree-sra.c (sra_replace): Likewise.
10058 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
10059 (forward_propagate_single_use_vars): Likewise.
10060 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
10061 * tree-inline.c (expand_call_inline): Likewise.
10062 * tree-vect-transform.c (vect_transform_loop): Likewise.
10063 * tree-outof-ssa.c (rewrite_trees): Likewise.
10064 * tree-cfg.c (make_goto_expr_edges): Likewise.
10065 (cleanup_dead_labels): Likewise.
10066 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
10067 (bsi_move_before, bsi_move_after): Likewise.
10068 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
10069 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
10071 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
10073 PR tree-opt/25528
10074 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
10075 and IMAGPART_EXPR.
10076 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
10077 on non gimple variables. Also add checks at the top for decls and
10078 mtags.
10079 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
10080 complex types.
10081 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
10082 and IMAGPART_EXPR for creating MUST_DEFs.
10083 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
10084 and NAME_MEMORY_TAG separately from the DECLs.
10086 2006-01-06 Richard Guenther <rguenther@suse.de>
10088 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
10089 annotation, if necessary.
10090 * tree-ssa-pre.c (create_expression_by_pieces): Remove
10091 redundant calls to update_stmt.
10092 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
10093 Likewise.
10095 2006-01-05 Richard Henderson <rth@redhat.com>
10097 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
10099 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10101 * c-typeck.c: Update copyright date.
10103 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
10105 * c-typeck.c (build_c_cast): Always warn when casting
10106 from a pointer to an integer of different size, even if
10107 the node was constant.
10109 2006-01-05 Richard Guenther <rguenther@suse.de>
10111 PR tree-optimization/22555
10112 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
10113 if one structure field is an array.
10114 * tree-ssa-operands.c (get_expr_operands): Continue scanning
10115 operands even if we found a subvar, but ignore VOPs in this
10116 case.
10117 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
10118 for renaming.
10119 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
10121 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
10123 PR middle-end/24998
10124 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
10126 2006-01-05 Richard Guenther <rguenther@suse.de>
10127 Diego Novillo <dnovillo@redhat.com>
10129 * tree-pass.h (TODO_remove_unused_locals): Define.
10130 * gimple-low.c (expand_var_p, remove_useless_vars,
10131 pass_remove_useless_vars): Remove. Update all users.
10132 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
10133 (remove_unused_locals): New function.
10134 * tree-flow.h (remove_unused_locals): Declare.
10135 * passes.c (execute_todo): Call remove_unused_locals if
10136 TODO_remove_unused_locals is set.
10137 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
10138 * tree-ssa-dce.c (pass_dce): Likewise.
10139 * tree-outof-ssa.c (pass_del_ssa): Likewise.
10141 2006-01-05 Richard Guenther <rguenther@suse.de>
10143 * tree-flow.h (struct fieldoff): Decompose field to
10144 type, size and decl.
10145 * tree-ssa-alias.c (create_sft): Take type as parameter.
10146 (create_overlap_variables_for): Store type, size and decl
10147 in the fieldoff structure.
10148 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
10149 of struct fieldoff.
10150 (push_fields_onto_fieldstack): Likewise.
10151 (create_variable_info_for): Likewise. Use offset for the
10152 SFT name if the decl is not available.
10154 2006-01-04 Paul Brook <paul@codesourcery.com>
10156 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
10158 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
10160 * lambda-code.c (can_put_in_inner_loop): Relax
10161 restrictions.
10162 (can_put_after_inner_loop): New function.
10163 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
10164 (perfect_nestify): Change to make copies and modify uses.
10166 2006-01-04 Richard Henderson <rth@redhat.com>
10168 Merge from gomp branch:
10169 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
10170 via integer constant.
10171 (pragma_lex): Remove.
10172 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
10173 rather than parsing it.
10174 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
10175 handle_pragma_extern_prefix): Add %< %> quotes.
10176 (registered_pragmas): New.
10177 (c_register_pragma_1): New.
10178 (c_register_pragma): Use it.
10179 (c_register_pragma_with_expansion): Likewise.
10180 (c_invoke_pragma_handler): New.
10181 (init_pragma): Use cpp_register_deferred_pragma directly for
10182 pch_preprocess.
10183 * c-pragma.h (enum pragma_kind): New.
10184 (pragma_handler): New.
10185 (c_invoke_pragma_handler): Declare.
10186 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
10187 CPP_PRAGMA_EOL.
10188 * c-common.h (c_common_pch_pragma): Update decl.
10189 * Makefile.in (c-parser.o): Update dependencies.
10190 (GTFILES): Add c-pragma.h.
10191 * c-parser.c (struct c_token): Add pragma_kind.
10192 (struct c_parser): Add in_pragma.
10193 (c_lex_one_token): Always initialize keyword and pragma_kind.
10194 Extract data for CPP_PRAGMA.
10195 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
10196 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
10197 Don't allow CPP_PRAGMA_EOL if in_pragma.
10198 (c_parser_consume_pragma): New.
10199 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
10200 (c_parser_skip_to_end_of_parameter): Likewise.
10201 (c_parser_skip_to_end_of_block_or_statement): Likewise.
10202 (c_parser_skip_to_pragma_eol): New.
10203 (c_parser_external_declaration): Handle CPP_PRAGMA.
10204 (c_parser_compound_statement_nostart): Likewise.
10205 (c_parser_statement_after_labels): Likewise.
10206 (c_parser_pragma): New.
10207 (pragma_lex): Likewise.
10208 (c_parser_pragma_pch_preprocess): New.
10209 (c_parser_new): Merge into ...
10210 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
10212 2006-01-04 Jeff Law <law@redhat.com>
10214 PR ada/24994
10215 * tree-cfg.c (bsi_replace): Remove the original statement
10216 from the EH throw statement table.
10218 2006-01-04 Jakub Jelinek <jakub@redhat.com>
10220 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
10221 make the prototype extern "C" and add throw ().
10223 PR target/25554
10224 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
10225 and pos non-negative and pos + len <= 32.
10226 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
10227 drop pos + len < HOST_BITS_PER_WIDE_INT test.
10228 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
10230 PR c/25559
10231 * c-common.c (handle_vector_size_attribute): Reject zero vector size
10232 as well as sizes not multiple of component size.
10234 PR debug/25562
10235 * function.c (instantiate_expr): New function.
10236 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
10237 walk its DECL_VALUE_EXPR with instantiate_expr.
10239 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
10240 DW_OP_deref{,_size} if address isn't going to be added.
10242 2006-01-04 Ben Elliston <bje@au.ibm.com>
10244 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
10245 * config/fp-bit.c: Likewise.
10247 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
10249 * dominance.c: Add comment about why we use DFS numbering
10250 of dominance tree.
10252 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10253 Richard Henderson <rth@redhat.com>
10255 Merge from gomp-branch:
10256 * varasm.c (assemble_variable): Handle thread-local COMMON data.
10257 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
10259 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
10261 PR rtl-optimization/25578
10262 * combine.c (combine_simplify_rtx, force_to_mode): Don't
10263 pass a parameter to simplify_shift_const if changing ASHIFTRT
10264 to LSHIFTRT.
10266 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
10268 * builtins.c (get_builtin_sync_mem): New function.
10269 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10270 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
10271 Call get_builtin_sync_mem to generate mem rtx.
10273 2006-01-03 Richard Guenther <rguenther@suse.de>
10275 PR c/25183
10276 * stmt.c (add_case_node): Make sure to clear overflow flags
10277 from ranges.
10279 2006-01-03 Jakub Jelinek <jakub@redhat.com>
10281 Merge from gomp-branch.
10282 * config/sparc/sync.md: New file.
10283 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
10284 UNSPECV_LDSTUB): New constants.
10285 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
10286 * config/sparc/predicates.md (memory_reg_operand): New predicate.
10287 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
10288 prototype.
10290 2006-01-03 Roger Sayle <roger@eyesopen.com>
10292 * combine.c (reg_subword_p): New predicate to test whether the
10293 destination of a set refers to a subword/piece of a register.
10294 (try_combine): Generalize the code to merge the setting of a
10295 pseudo to a constant followed by a set of a subword of that
10296 register to a constant.
10298 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
10300 * basic-block.h (control_flow_graph): Change the type of
10301 x_label_to_block_map to VEC(basic_block,gc) *.
10302 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
10303 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
10305 * tree-ssa-propagate.c (cfg_blocks): Change the type to
10306 VEC(basic_block,heap) *.
10307 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
10308 ssa_prop_fini): Adjust the uses of cfg_blocks.
10310 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
10312 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
10313 COMPONENT_REFs.
10314 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
10315 hashing trees instead of a pointer hash.
10316 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
10317 compare for MEM_EXPR.
10319 PR rtl-optimization/25130
10320 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
10321 when comparing MEMs for GCSE
10323 2006-01-03 Ben Elliston <bje@au.ibm.com>
10325 * targhooks.h (default_decimal_float_supported_p): Declare.
10326 * targhooks.c (default_decimal_float_supported_p): Define.
10327 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
10328 `default_decimal_float_supported_p'.
10329 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
10331 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
10333 * combine.c (apply_distributive_law <SUBREG>): Check
10334 TRULY_NOOP_TRUNCATION.
10336 2006-01-02 Geoffrey Keating <geoffk@apple.com>
10338 * dwarf2out.c (have_switched_text_section): Delete.
10339 (have_multiple_function_sections): New.
10340 (have_location_lists): Make 'bool'.
10341 (add_AT_loc_list): Use 'true' not '1'.
10342 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
10343 (output_loc_list): Use have_multiple_function_sections.
10344 (output_ranges): Likewise.
10345 (dwarf2out_begin_function): Set have_multiple_function_sections if
10346 necessary.
10347 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
10348 Check function_section rather than DECL_SECTION_NAME.
10349 (dwarf2out_finish): Use have_multiple_function_sections.
10350 Don't clear have_location_lists.
10352 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
10353 Jan Hubicka <jh@suse.cz>
10355 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
10356 case of conditional jump jumping to the next instruction.
10357 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
10358 cases of conditional jump jumping to the next instruction.
10360 2006-01-02 Jan Hubicka <jh@suse.cz>
10362 * i386.c (*_cost): Add COSTS_N_INSNS.
10363 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
10365 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
10367 PR target/25259
10368 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
10370 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10372 * config/arm/arm.c (all_fpus): Fix comment typo.
10373 * config/darwin.c: Likewise.
10374 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
10375 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
10376 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
10378 2006-01-01 David Edelsohn <edelsohn@gnu.org>
10380 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
10381 (rs6000_split_compare_and_swapqhi): New.
10382 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
10383 (sync_compare_and_swapqhi_internal): New.
10384 * config/rs6000/rs6000-protos.h: Declare.