1 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * doc/install.texi: Move GMP/MPFR configure options from Fortran
4 section to general section. Remove documentation for
5 --with-mpfr-dir and --with-gmp-dir, add documentation for
6 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
9 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
11 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
13 * testsuite/gcc.dg/ipa/ipa-6.c: New.
15 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
17 PR tree-optimization/29122
18 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
19 for the new version. Assign NULL to DECL_RTL of the new version.
21 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
23 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
25 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
27 * cse.c (cse_altered): Remove.
28 (record_jump_equiv): Make true/false argument a bool instead
30 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
31 where appropriate. Emit a new jump before the existing one
32 instead of after so that delete_insn_and_edges removes the
33 dead edges properly. Check any_condjump_p before calling
35 (cse_basic_block): Check any_condjump_p before calling
37 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
39 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
41 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
42 -ffixed-line-length-* options.
44 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
46 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
47 (fprem1xf4): Rename to fprem1xf4_i387.
49 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
50 Rename patterns to fmod<mode>3. Use general_operand operand
51 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
52 patterns for SSE math.
53 (remaindersf3, remainderdf3): Ditto.
55 2006-11-25 Joseph Myers <joseph@codesourcery.com>
57 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
58 inside start_sequence / end_sequence pair.
60 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
62 * jump.c (mark_all_labels): Work in cfglayout mode.
63 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
64 when in cfglayout mode, because there are no dead jumptables
66 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
68 (commit_edge_insertions): Do not allow insertion of instructions
69 with control flow insns when in cfglayout mode.
71 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
73 * tree-vrp.c (execute_vrp): Do not pass loops structure through
75 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
76 unswitch_loop): Ditto.
77 * tree-loop-linear.c (linear_transform_loops): Ditto.
78 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
80 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
81 free_numbers_of_iterations_estimates): Ditto.
82 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
83 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
84 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
85 remove_path, add_loop, loopify, unloop, fix_loop_placements,
86 place_new_loop, duplicate_loop, duplicate_subloops,
87 update_single_exit_for_duplicated_loops, copy_loops_to,
88 duplicate_loop_to_header_edge, create_preheaders,
89 force_single_succ_latches, loop_version, fix_loop_structure):
91 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
92 tree_unroll_loop): Ditto.
93 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
94 * tree-scalar-evolution.c (select_loops_exit_conditions,
95 scev_initialize, scev_analysis): Ditto.
96 * tree-scalar-evolution.h (scev_initialize): Ditto.
97 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
98 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
99 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
100 * modulo-sched.c (sms_schedule): Ditto.
101 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
102 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
103 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
104 * ifcvt.c (if_convert): Ditto.
105 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
106 canonicalize_loop_induction_variables,
107 canonicalize_induction_variables,
108 tree_unroll_loops_completely, remove_empty_loops): Ditto.
109 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
110 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
111 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
112 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
113 tree_ssa_loop_done): Ditto.
114 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
115 estimate_bb_frequencies): Ditto.
116 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
117 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
118 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
119 decide_unrolling_and_peeling, peel_loop_completely,
120 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
121 peel_loop_simple, unroll_loop_stupid): Ditto.
122 * loop-doloop.c (doloop_optimize_loops): Ditto.
123 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
124 * loop-invariant.c (move_loop_invariants): Ditto.
125 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
126 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
127 tree_ssa_prefetch_arrays): Ditto.
128 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
130 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
131 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
132 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
133 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
134 verify_loop_structure): Ditto.
135 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
136 canonicalize_induction_variables, tree_unroll_loops_completely,
137 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
138 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
139 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
140 tree_unroll_loop, linear_transform_loops): Declaration changed.
141 * basic-block.h: Remove declaration of struct loops.
142 * cfghooks.h (struct cfg_hooks): Change type of
143 cfg_hook_duplicate_loop_to_header_edge.
144 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
145 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
146 vect_transform_loop): Declaration changed.
147 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
148 * cfgloop.h (flow_loops_dump, fix_loop_structure,
149 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
150 cancel_loop_tree, create_preheaders, force_single_succ_latches,
151 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
152 loopify, loop_version, remove_path, unswitch_loops,
153 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
156 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
158 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
159 (X87MODEF): New mode macro.
160 (ssemodefsuffix): New mode attribute.
161 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
162 (sqrt_extend<mode>xf2_i387): New insn pattern.
163 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
164 insn and truncate result back to original mode using
165 UNSPEC_TRUNC_NOOP truncation.
166 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
167 ssemodefsuffix mode attribute.
168 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
169 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
170 (*sqrtextenddfxf2_i387): Remove insn patterns.
172 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
175 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
177 2006-11-24 Jakub Jelinek <jakub@redhat.com>
180 * c-tree.h (c_maybe_initialize_eh): New prototype.
181 * c-decl.c (finish_decl): Move EH initialization...
182 (c_maybe_initialize_eh): ... here. New function.
183 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
184 if not #pragma omp atomic.
187 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
188 or UNION_TYPE inner types.
190 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
193 * ipa-pure-const.c (check_tree): If the original tree
194 is volatile return early and say the function is not pure
195 nor const. Remove the volatile check for writes.
196 (analyze_function): Print out the result of the local
199 2006-11-24 Joseph Myers <joseph@codesourcery.com>
201 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
203 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
204 * config/rs6000/rs6000.c (rs6000_override_options): Use
205 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
208 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
210 * config/s390.c (s390_emit_compare_and_swap): New function.
211 (s390_expand_cs_hqi, s390_expand_atomic): Call
212 s390_emit_compare_and_swap.
214 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
216 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
218 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
222 * c-common.c (conversion_warning): New.
223 (convert_and_check): Call conversion_warning unless there is an
225 * doc/invoke.texi (-Wconversion): Update description.
227 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
229 * tree-ssa-alias.c (tree_pointer_compare): New function.
230 (compact_name_tags): New function.
231 (group_aliases): Call compact_name_tags.
233 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
235 * real.h (real_isinteger): Declare.
236 * real.c (real_isinteger): Define.
237 * builtins.c (integer_valued_real_p): Use it.
239 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
242 * c.opt (Wtraditional-conversion): New.
243 (Wconversion): Update description.
244 * c-typeck.c (convert_arguments): Warnings for prototypes causing
245 type conversions different from what would happen in the absence
246 of prototype are now handled by Wtraditional-conversion.
247 * doc/invoke.texi (Wtraditional-conversion): New.
248 (Wconversion): Update description.
249 * doc/trouble.texi (Wconversion): Replace Wconversion by
250 Wtraditional-conversion.
252 2006-11-23 Andrew Pinski <pinskia@gmail.com>
254 * predict.c (tree_estimate_probability): Check to make
255 sure current_loops is non null before calling flow_loops_dump.
257 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
259 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
261 2006-11-23 David Ung <davidu@mips.com>
263 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
265 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
266 (ASM_SPEC): Pass along -mfp32 and -mfp64.
267 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
268 high part of FP register when in 64-bit FP register mode. Similarly
269 use gen_mfhc1 to load high part of FP register.
270 (override_options): Allow -mgp32 and -mfp64 combination if
271 ISA_HAS_MXHC1 (currently for O32 only).
272 (mips_cannot_change_mode_class): If floating-point registers are
273 bigger than word size. disallow conversion of float register from a
274 large integer mode to a float mode smaller than the float register
276 (mips_class_max_nregs): Handle float registers case seperately.
277 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
279 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
280 (movdf_hardfloat_32bit): Similarly.
281 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
282 support a full 64-bit fpu.
283 (mthc1): New pattern to generate MTHC1 instruction.
284 (mfhc1): New pattern to generate MFHC1 instruction.
285 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
286 option for the MIPS32R2 and mention its use under O32 ABI.
288 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
290 * var-tracking.c (emit_note_insn_var_location): Take care not to
291 cause verify_flow_info failures.
293 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
295 * tree-ssa-structalias.c: Remove edge weights in favor of just
296 processing them as complex constraints.
297 (struct constraint_graph): Remove weighted succs and preds. Rename
298 nonweighted succs and preds.
299 (constraint_edge): Removed.
300 (constraint_edge_t): Ditto.
301 (constraint_edge_pool): Ditto.
302 (new_constraint_edge): Ditto.
303 (constraint_edge_equal): Ditto.
304 (constraint_edge_less): Ditto.
305 (constraint_edge_vec_find): Ditto.
306 (erase_self_graph_edge): Ditto.
307 (add_graph_edge): Removed.
308 (get_graph_weights): Ditto.
309 (allocate_graph_weights): Ditto.
310 (valid_weighted_graph_edge): Ditto
311 (bitmap_other_than_zero_bit_set): Ditto.
312 (int_add_graph_edge): Renamed to add_graph_edge.
313 (clear_edges_for_node): Remove support for weighted edges.
314 (merge_graph_nodes): Ditto.
315 (valid_graph_edge): Ditto.
316 (build_constraint_graph): Ditto.
318 (collapse_nodes): Ditto.
319 (process_unification_queue): Ditto.
321 (do_ds_constraint): Ditto.
322 (perform_var_subsitution): Ditto.
323 (solve_graph): Ditto.
324 (init_alias_vars): Ditto.
325 (delete_points_to_sets): Ditto.
326 (do_complex_constraint): Support offsetted copies here.
328 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
330 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
332 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
334 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
337 2006-11-23 Ben Elliston <bje@au.ibm.com>
339 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
341 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
343 PR tree-optimization/29921
344 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
345 signed and unsigned zero equal.
347 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
349 * config/rs6000/rs6000.c (get_store_dest): New.
350 (adjacent_mem_locations): Use get_store_dest() to get
351 the rtl of the store destination.
353 2006-11-22 Joseph Myers <joseph@codesourcery.com>
355 * config/rs6000/spe.md (SPE64): New mode macro.
356 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
358 (mov_si<mode>_e500_subreg0_2): New.
359 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
361 (mov_si<mode>_e500_subreg4_2): New.
362 * config/rs6000/predicates.md (input_operand): Do not allow
363 invalid E500 subregs.
364 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
366 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
367 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
368 involving vector modes if TARGET_SPE.
370 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
373 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
374 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
376 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
378 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
379 mem_i_address_operand): New predicates.
380 * config/bfin/bfin.c (bfin_issue_rate): New function.
381 (TARGET_SCHED_ISSUE_RATE): New macro.
382 * config/bfin/bfin.md (addrtype): New attribute.
383 (slot0, slot1, slot2, store, pregs): New cpu_units.
384 (core): Now a define_reservation.
385 (alu): Remove some insn types from this reservation.
386 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
388 (dummy reservation): Don't trigger for mcld insns.
389 (absence_sets): Two new absence sets to enforce slot ordering.
390 (popsi_insn): Set addrtype.
392 2006-11-22 Ira Rosen <irar@il.ibm.com>
394 * doc/c-tree.texi: Document new tree codes.
395 * doc/md.texi: Document new optabs.
396 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
398 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
399 * optabs.h (optab_index): Add new.
400 (vec_extract_even_optab, vec_extract_odd_optab,
401 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
402 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
403 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
405 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
406 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
407 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
408 along with macros for their access.
409 * tree-data-ref.h (first_location_in_loop, data_reference): Update
411 * tree-vect-analyze.c (toplev.h): Include.
412 (vect_determine_vectorization_factor): Fix indentation.
413 (vect_insert_into_interleaving_chain,
414 vect_update_interleaving_chain, vect_equal_offsets): New functions.
415 (vect_analyze_data_ref_dependence): Add argument for interleaving
416 check. Check for interleaving if it's true.
417 (vect_check_dependences): New function.
418 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
419 every ddr. Call vect_analyze_data_ref_dependence with new argument.
420 (vect_update_misalignment_for_peel): Update for interleaving.
421 (vect_verify_datarefs_alignment): Check only first data-ref for
423 (vect_enhance_data_refs_alignment): Update for interleaving. Check
424 only first data-ref for interleaving.
425 (vect_analyze_data_ref_access): Check interleaving, update
427 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
428 with different parameters.
429 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
430 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
431 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
432 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
433 Update step in case of interleaving.
434 (vect_strided_store_supported, vect_permute_store_chain): New
436 (vectorizable_store): Handle strided stores.
437 (vect_strided_load_supported, vect_permute_load_chain,
438 vect_transform_strided_load): New functions.
439 (vectorizable_load): Handle strided loads.
440 (vect_transform_stmt): Add argument. Handle strided stores. Check
441 that vectorized stmt exists for patterns.
442 (vect_gen_niters_for_prolog_loop): Update calculation for
444 (vect_transform_loop): Remove stmt_vec_info for strided stores after
445 whole chain vectorization.
446 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
447 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
448 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
449 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
450 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
452 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
454 * cse.c (enum taken): Remove PATH_AROUND.
455 (addr_affects_sp_p, invalidate_skipped_set,
456 invalidate_skipped_block): Remove.
457 (cse_end_of_basic_block): Remove skip_blocks and related code.
458 (cse_main): Don't test for flag_cse_skip_blocks.
459 Update cse_end_of_basic_block call.
460 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
461 code to lengthen the path if a jump was simplified.
463 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
465 PR rtl-optimization/29924
466 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
467 (unroll_loop_runtime_iterations): Assert that the argument passed to
468 split_edge_and_insert is not NULL.
469 * loop-doloop.c (add_test): Ditto.
471 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
473 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
475 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
476 * cfgloopmanip.c (update_single_exits_after_duplication,
477 update_single_exit_for_duplicated_loop, loop_version): Ditto.
478 * tree-scalar-evolution.c (get_loop_exit_condition,
479 get_exit_conditions_rec, loop_closed_phi_def,
480 number_of_iterations_in_loop, scev_const_prop): Ditto.
481 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
482 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
484 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
486 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
487 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
488 slpeel_make_loop_iterate_ntimes,
489 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
490 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
492 * tree-if-conv.c (if_convertible_loop_p): Ditto.
493 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
494 vect_analyze_loop_form): Ditto.
495 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
496 can_convert_to_perfect_nest, perfect_nestify): Ditto.
497 * tree-vect-transform.c (vect_create_epilog_for_reduction,
498 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
499 vect_transform_loop): Ditto.
500 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
501 (single_exit, set_single_exit): New functions.
502 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
503 (single_exit, set_single_exit): Declare.
504 * doc/loop.texi: Undocument single_exit field. Document single_exit
507 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
509 PR tree-optimization/29902
510 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
511 any involved ssa name appears in abnormal phi node.
513 2006-11-21 Bob Wilson <bob.wilson@acm.org>
515 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
516 (xtensa_const_ok_for_letter_p): Delete.
517 (xtensa_extra_constraint): Delete.
518 (override_options): Delete xtensa_char_to_class initialization.
519 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
520 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
521 (EXTRA_CONSTRAINT): Delete.
522 * config/xtensa/xtensa.md: Include constraints.md.
523 (call_internal): Combine alternatives.
524 (call_value_internal): Likewise, and remove invalid constraints.
525 * config/xtensa/constraints.md: New file.
526 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
527 (xtensa_extra_constraint): Delete.
528 * doc/md.texi (Machine Constraints): Refer to constraints.md for
531 2006-11-21 Janis Johnson <janis187@us.ibm.com>
533 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
534 of conversion that doesn't fit.
536 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
537 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
538 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
540 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
542 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
544 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
546 2006-11-21 Richard Guenther <rguenther@suse.de>
548 * tree-vectorizer.h (NUM_PATTERNS): Increase.
549 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
550 vect_recog_pow_pattern.
551 (vect_recog_pow_pattern): New function.
553 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
555 * config/bfin/bfin.opt (mstack-check-l1): New.
556 * doc/invoke.texi (Blackfin Options): Document it.
557 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
558 stack bounds in L1 memory if the new option is enabled.
559 (override_options): Don't allow combinations of -fstack-limit and
561 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
564 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
566 (bfin_register_move_cost): Bump costs if trying to move plain
567 integer values through accumulators.
569 2006-11-21 Ben Elliston <bje@au.ibm.com>
571 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
573 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
574 Russell Olsen <Russell_Olsen@playstation.sony.com>
575 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
576 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
577 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
578 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
579 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
581 * config.gcc: Add target for SPU.
582 * config/spu/constraints.md: New file.
583 * config/spu/crt0.c: New file.
584 * config/spu/crtend.c: New file.
585 * config/spu/crti.asm: New file.
586 * config/spu/crtn.asm: New file.
587 * config/spu/float_unsdidf.c: New file.
588 * config/spu/float_unssidf.c: New file.
589 * config/spu/predicates.md: New file.
590 * config/spu/spu-builtins.def: New file.
591 * config/spu/spu-builtins.h: New file.
592 * config/spu/spu-builtins.md: New file.
593 * config/spu/spu-c.c: New file.
594 * config/spu/spu-elf.h: New file.
595 * config/spu/spu-modes.def: New file.
596 * config/spu/spu-protos.h: New file.
597 * config/spu/spu.c: New file.
598 * config/spu/spu.h: New file.
599 * config/spu/spu.md: New file.
600 * config/spu/spu.opt: New file.
601 * config/spu/spu_internals.h: New file.
602 * config/spu/spu_intrinsics.h: New file.
603 * config/spu/spu_mfcio.h: New file.
604 * config/spu/t-spu-elf: New file.
605 * config/spu/vec_types.h: New file.
606 * config/spu/vmx2spu.h: New file.
607 * doc/contrib.texi: Document SPU contributor.
608 * doc/extend.texi: Document SPU extensions.
609 * doc/invoke.texi: Document SPU options.
610 * doc/md.texi: Document SPU constraints.
612 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
614 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
616 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
618 (flow_loop_dump): Do not dump loop level.
619 (flow_loops_find): Do not call flow_loops_level_compute.
620 * cfgloop.h (struct loop): Remove level field.
622 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
624 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
625 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
626 Use vector of edges instead of array.
627 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
628 estimate_numbers_of_iterations_loop): Ditto.
629 * predict.c (predict_loops): Ditto.
630 * loop-unroll.c (analyze_insns_in_loop): Ditto.
631 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
633 * basic-block.h: Declare heap allocation for edge vectors.
634 * tree-outof-ssa.c: Ditto.
635 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
636 * cfgloop.h (get_loop_exit_edges): Declaration changed.
638 2006-11-20 Zack Weinberg <zackw@panix.com>
640 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
641 Add another out parameter, "skip".
642 (set_gc_used_type): Adjust calls to process_gc_options. If a field
643 is tagged "skip", do not mark its type used.
645 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
648 * tree-sra.c (single_scalar_field_in_record_p): New function.
649 (decide_block_copy): Use it.
651 2006-11-20 David Daney <ddaney@avtrex.com>
653 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
654 PC to point to following instruction.
656 2006-11-20 Anatoly Sokolov <aesok@post.ru>
660 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
662 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
664 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
666 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
667 Add sh/superh.h to tm_file.
669 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
670 Mark Mitchell <mark@codesourcery.com>
672 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
674 (cpp_relocated): New function.
675 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
677 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
678 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
679 replace configured prefix with gcc_exec_prefix.
681 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
683 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
684 bfin_legitimate_constant_p.
685 * config/bfin/bfin.md (movsi expander): Check return value of
687 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
688 (expand_move): Adjust prototype.
689 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
690 invalid constants specially.
691 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
693 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
695 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
696 sibcall_value_symbol): Allow these patterns if
697 TARGET_LEAF_ID_SHARED_LIBRARY.
698 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
699 (override_options): Turn on id shared library flags if -msep-data,
700 but disallow the combination of these options on the command line.
701 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
702 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
703 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
705 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
706 * doc/invoke.texi (Blackfin Options): Document new switches.
708 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
709 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
711 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
712 inflate costs for addresses with an out-of-bounds address.
714 2006-11-19 Andrew Pinski <pinskia@gmail.com>
717 * fwprop.c (loops): Remove.
718 (forward_propagate_into): Use current_loops instead of
720 (fwprop_init): Call loop_optimizer_init instead of
722 (fwprop_done): Call loop_optimizer_finalize instead of
724 (fwprop): Use current_loops instead of loops.
726 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
729 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
731 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
734 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
735 larger than BITS_PER_WORD.
737 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
741 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
742 to MAX_FIXED_MODE_SIZE.
744 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
746 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
747 (fold_builtin_fmin_fmax): New.
748 (fold_builtin_1): Use it.
750 * fold-const.c (fold_strip_sign_ops): Handle copysign.
752 2006-11-18 Richard Guenther <rguenther@suse.de>
754 * config/i386/i386.c (ix86_builtins): New array for ix86
755 builtin function decls.
756 (def_builtin): New function.
757 (def_builtin_const): Likewise.
758 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
760 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
762 * doc/invoke.texi (core2): Add item.
764 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
766 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
767 (TARGET_CPU_DEFAULT_generic): Change value.
768 (TARGET_CPU_DEFAULT_NAMES): Add core2.
769 (processor_type): Add new constant PROCESSOR_CORE2.
771 * config/i386/i386.md (cpu): Add core2.
773 * config/i386/i386.c (core2_cost): New initialized variable.
774 (m_CORE2): New macro.
775 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
776 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
777 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
778 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
779 x86_partial_reg_dependency, x86_memory_mismatch_stall,
780 x86_accumulate_outgoing_args, x86_prologue_using_move,
781 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
782 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
783 x86_use_incdec, x86_four_jump_limit, x86_schedule,
784 x86_pad_returns): Add m_CORE2.
785 (override_options): Add entries for Core2.
786 (ix86_issue_rate): Add case for Core2.
788 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
790 * doc/invoke.texi: Fix mno-isel typo.
792 2006-11-18 Joseph Myers <joseph@codesourcery.com>
794 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
795 easy vector constant loads.
797 2006-11-18 Joseph Myers <joseph@codesourcery.com>
799 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
800 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
801 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
802 * config/rs6000/sync.md (lwsync): Emit plain sync if
805 2006-11-17 DJ Delorie <dj@redhat.com>
807 * reload1.c (reloads_unique_chain): New.
808 (reloads_conflict): Call it.
810 2006-11-17 Bob Wilson <bob.wilson@acm.org>
812 * config/xtensa/predicates.md (addsubx_operand): New.
813 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
814 (xtensa_emit_bit_branch): New.
815 (xtensa_emit_movcc): New.
816 * config/xtensa/xtensa.md (any_minmax): New code macro.
817 (minmax): New code attribute.
818 (any_cond, any_scc, any_scc_sf): New code macros.
819 (*addx2, *addx4, *addx8): Delete.
821 (*subx2, *subx4, *subx8): Delete.
823 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
824 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
825 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
826 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
827 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
828 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
829 (movsfcc_internal0, movsfcc_internal1): Likewise.
830 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
831 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
832 (xtensa_emit_bit_branch): New.
833 (xtensa_emit_movcc): New.
834 (function_arg_boundary): Add missing prototype.
836 2006-11-17 Bob Wilson <bob.wilson@acm.org>
838 * config/xtensa/xtensa.md (tstsi): Delete
840 2006-11-17 Bob Wilson <bob.wilson@acm.org>
842 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
844 2006-11-17 Bob Wilson <bob.wilson@acm.org>
846 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
848 2006-11-17 Bob Wilson <bob.wilson@acm.org>
850 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
852 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
854 * tree-vrp.c (execute_vrp): Do not update current_loops.
855 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
856 * doc/loop.texi: Remove documentation for cancelled functions.
857 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
858 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
860 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
861 (remove_path): Ensure that in delete_basic_blocks, the loops
863 (add_loop): Work on valid loop structures.
864 (loopify): Modify call of add_loop.
865 (mfb_update_loops): Removed.
866 (create_preheader): Do not update loops explicitly.
867 (force_single_succ_latches, loop_version): Do not use
868 loop_split_edge_with.
869 (loop_split_edge_with): Removed.
870 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
871 Do not use bsi_insert_on_edge_immediate_loop.
872 (split_loop_exit_edge, tree_unroll_loop): Do not use
873 loop_split_edge_with.
874 (bsi_insert_on_edge_immediate_loop): Removed.
875 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
876 use loop_split_edge_with.
877 * cfghooks.c: Include cfgloop.h.
878 (verify_flow_info): Verify that loop_father is filled iff current_loops
880 (redirect_edge_and_branch_force, split_block, delete_basic_block,
881 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
883 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
885 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
886 loop_split_edge_with.
887 (sms_schedule): Use current_loops.
888 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
889 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
891 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
892 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
893 * ifcvt.c (if_convert): Ditto.
894 * predict.c (predict_loops): Do not clear current_loops.
895 (tree_estimate_probability): Use current_loops.
896 (propagate_freq): Receive head of the region to propagate instead of
898 (estimate_loops_at_level): Do not use shared to_visit bitmap.
899 (estimate_loops): New function. Handle case current_loops == NULL.
900 (estimate_bb_frequencies): Do not allocate tovisit. Use
902 * tree-ssa-loop.c (current_loops): Removed.
903 (tree_loop_optimizer_init): Do not return loops.
904 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
905 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
906 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
907 Do not update loops explicitly.
908 * function.h (struct function): Add x_current_loops field.
909 (current_loops): New macro.
910 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
911 * loop-unroll.c (split_edge_and_insert): New function.
912 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
913 use loop_split_edge_with.
914 * loop-doloop.c (add_test, doloop_modify): Ditto.
915 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
916 * cfglayout.c (copy_bbs): Do not update loops explicitly.
917 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
918 * tree-vect-transform.c (vect_transform_loop): Do not update loops
920 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
921 (flow_loops_free): Do not free dfs_order and rc_order.
922 (flow_loops_find): Do not set dfs_order and rc_order in loops
923 structure. Do not call loops and flow info verification.
924 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
925 already belongs to some loop.
926 * cfgloop.h (struct loops): Remove struct cfg.
927 (current_loops, loop_split_edge_with): Declaration removed.
928 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
929 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
931 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
932 * basic-block.h (split_edge_and_insert): Declare.
933 * tree-cfg.c (remove_bb): Do not update loops explicitly.
935 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
937 PR tree-optimization/29801
938 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
939 (get_default_value): Use get_symbol_constant_value.
940 (set_lattice_value): ICE when the value of the constant is
942 (visit_assignment): Ignore VDEFs of read-only variables.
944 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
946 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
948 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
949 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
951 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
953 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
954 select subvars of var.
956 2006-11-17 Jakub Jelinek <jakub@redhat.com>
959 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
960 optimize if DEF doesn't have integral type.
962 2006-11-16 Mike Stump <mrs@apple.com>
964 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
965 pre-darwin9 system, unless the user asks for it directly.
966 (PREFERRED_DEBUGGING_TYPE): Likewise.
967 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
968 * config.gcc: Add suppport for darwin9.h.
969 * config/darwin9.h: Add.
970 * doc/install.texi (Specific): Clarify darwin documentation.
972 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
974 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
977 2006-11-16 Mike Stump <mrs@apple.com>
979 * Makefile.in (targhooks.o): Add $(OPTABS_H).
981 2006-11-16 Dirk Mueller <dmueller@suse.de>
983 * tree-vrp.c (get_value_range): Use XCNEW instead
985 (insert_range_assertions): Use XCNEWVEC instead
986 of XNEWVEC and memset.
987 (vrp_initialize): Same.
988 (vrp_finalize): Same.
989 * tree-ssa-ccp.c (ccp_initialize): Same.
990 * predict.c (tree_bb_level_predictions): Same.
991 * calls.c (expand_call): Same.
992 * tree-ssa-copy.c (init_copy_prop): Same.
993 (fini_copy_prop): Same.
994 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
995 of GGC_NEW and memset.
997 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1000 * gimplify.c (gimplify_expr): Only force a load for references to
1001 non-BLKmode volatile values.
1002 * doc/implement-c.texi (Qualifiers implementation): Document the
1003 interpretation of what a volatile access is.
1004 * doc/extend.texi (C++ Extensions): Rework same documentation.
1006 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1008 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1011 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1013 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1015 (arm_neg_abssi2): Renamed from neg_abssi2.
1016 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1018 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1020 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1021 number of arguments passed to local functions in SSE registers is 3.
1023 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1024 number of arguments passed in SSE registers to 3.
1026 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1029 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1031 (get_last_bb_insn): ... new global function.
1032 (basic_block.h): Declare it.
1033 * haifa-sched.c (create_recovery_block): Use it.
1035 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1038 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1040 2006-11-15 Paul Brook <paul@codesourcery.com>
1042 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1043 _Unwind_GetTextRelBase): Move from here ...
1044 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1045 _Unwind_GetTextRelBase): ... To here.
1047 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1049 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1050 addresses we generate for testing are aligned.
1052 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1055 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1056 to what is the const decl is a place holder for.
1058 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1060 * config/i386/i386.opt: New target option -mx87regparm.
1062 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1063 and float_in_x87 variables. mmx_words, sse_words: Remove.
1064 (X87_REGPARM_MAX): Define.
1066 * config/i386/i386.c (override_options): Error out for
1067 -mx87regparm but no 80387 support.
1068 (ix86_attribute_table): Add x87regparm.
1069 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1070 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1071 (ix86_function_x87regparm): New function.
1072 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1074 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1076 (function_arg_advance): Process x87_nregs and x87_regno when
1077 floating point argument is to be passed in 80387 register.
1078 (function_arg): Pass XFmode arguments in 80387 registers for local
1079 functions. Pass SFmode and DFmode arguments to local functions
1080 in 80387 registers when flag_unsafe_math_optimizations is set.
1082 * reg-stack.c (convert_regs_entry): Disable NaN load for
1083 stack registers that are used for argument passing.
1085 * doc/extend.texi: Document x87regparm function attribute.
1086 * doc/invoke.texi: Document -mx87regparm.
1088 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1090 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1091 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1092 arg MODE; all callers changed. Use it to determine validity per
1093 machine mode instead of using Pmode for all memory references.
1094 (get_address_cost): Likewise add and use new arg MEM_MODE.
1096 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1097 J"orn Rennecke <joern.rennecke@st.com>
1099 * combine.c (likely_spilled_retval_1): Fix masking operation.
1100 (likely_spilled_retval_p): Use proper pattern for call to
1101 likely_spilled_retval_1.
1103 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1105 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1107 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1108 that tests for CONSTANT_POOL_ADDRESS_P.
1110 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1112 PR tree-optimization/29581
1113 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1114 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1115 type is different between Y and USE, create a temporary
1116 variable, initialize it at the beginning of the body bb
1117 and use it as replacement instead of Y.
1119 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1122 * gimplify.c (fold_indirect_ref_rhs): Use
1123 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1125 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1127 * expmed.c (emit_store_flag_1): New function.
1128 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1130 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1131 Use do_compare_rtx_and_jump.
1132 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1133 * arm.md (cstoresi4): New define_expand.
1134 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1135 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1136 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1138 2006-11-14 Caroline Tice <ctice@apple.com>
1140 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1141 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1143 (pubname_table): Redefine as a vector.
1144 (pubtype_table): New static global variable, defined as a vector.
1145 (pubname_table_allocated): Remove static global variable.
1146 (pubname_table_in_use): Remove static global variable.
1147 (PUBNAME_TABLE_INCREMENT): Remove constant.
1148 (size_of_pubnames): Add parameter to deal with either pubnames or
1149 pubtypes, and change code to deal with table being a vector.
1150 (add_pubname): Change to deal with table being a vector.
1151 (add_pubtype): New function.
1152 (output_pubnames): Add parameter to deal with either pubnames or
1153 pubtypes, and change code to deal with table being a vector.
1154 (gen_array_type_die): Add call to add_pubtype.
1155 (gen_enumeration_type_die): Add call to add_pubtype.
1156 (gen_struct_or_union_type_die): Add call to add_pubtype.
1157 (gen_subroutine_type_die): Add call to add_pubtype.
1158 (gen_typedef_die): Add call to add_pubtype.
1159 (dwarf2out_init): Add code to initialize pubname_table and
1160 pubtype_table vectors; also initialize debug_pubtypes_section.
1161 (prune_unused_types): Change to deal with pubnames being a vector.
1162 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1163 pubnames table to call to output_pubnames; Add code to output pubtypes
1164 table if DEBUG_PUBTYPES_SECTION is defined.
1165 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1167 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1169 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1171 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1172 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1173 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1174 movv2si_internal): Support moves between core registers.
1176 2006-11-14 Eric Christopher <echristo@apple.com>
1178 * configure: Regenerate with autoconf 2.59.
1180 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1182 Fix PR tree-optimization/27755
1184 * tree-ssa-pre.c: Update comments.
1185 (bb_bitmap_sets): Add pa_in and deferred member.
1186 (BB_DEFERRED): New macro.
1187 (maximal_set): New variable.
1188 (pre_stats): Add pa_insert member.
1189 (bitmap_set_and): Short circuit orig == dest.
1190 (bitmap_set_subtract_values): New function.
1191 (bitmap_set_contains_expr): Ditto.
1192 (translate_vuses_through_block): Add phiblock argument.
1193 (dependent_clean): New function.
1194 (compute_antic_aux): Update for maximal_set changes.
1195 (compute_partial_antic_aux): New function.
1196 (compute_antic): Handle partial anticipation.
1197 (do_partial_partial_insertion): New function.
1198 (insert_aux): Handle partial anticipation.
1199 (add_to_sets): Add to maximal set.
1200 (compute_avail): Ditto.
1201 (init_pre): Initialize maximal_set.
1202 (execute_pre): Do partial anticipation if -O3+.
1204 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1206 PR rtl-optimization/29798
1208 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1209 TARGET_INSN before any other check.
1210 (fwprop_init): Always calculate dominators.
1211 (fwprop_done): Always free them.
1213 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1215 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1218 2006-11-13 DJ Delorie <dj@redhat.com>
1220 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1221 temporary for intermediates.
1223 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1225 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1226 (sh_optimize_target_register_callee_saved): #if 0 the code
1227 using NOTE_INSN_LOOP_{BEG,END}.
1229 2006-11-13 Roger Sayle <roger@eyesopen.com>
1231 * fold-const.c (optimize_bit_field_compare): Recursively call
1232 fold when simplifying non-constant comparisons between bit-fields.
1234 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1236 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1238 * configure: Rebuilt.
1240 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1242 * config/rs6000/cell.md: New file.
1243 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1245 (ppccell_cost): New cost matrix.
1246 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1247 (rs6000_override_options): Set rs6000_always_hint to false
1248 for cell. Also align functions/lables/loops to 8byte
1249 for the Cell. Use PROCESSOR_CELL.
1250 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1251 using_mtcr_multiple.
1252 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1253 on the Cell, return 0.
1254 (rs6000_adjust_cost): Add Cell cost adjustments.
1255 (is_microcoded_insn): Return true for Cell microcoded
1257 (is_nonpipeline_insn): New function.
1258 (rs6000_issue_rate): Add PROCESSOR_CELL.
1259 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1261 (rs6000_use_sched_lookahead_guard): New function.
1262 (rs6000_sched_reorder): Reorder the ready list, if the second
1263 to last ready insn is a nonepipeline insn on the Cell.
1264 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1265 (ASM_CPU_SPEC): Add Cell.
1266 * config/rs6000/rs6000.md (cpu): Add Cell.
1267 (cell_micro): New Attr.
1270 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1272 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1274 * configure: Rebuilt.
1276 2006-11-13 Richard Guenther <rguenther@suse.de>
1278 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1280 (ix86_expand_lfloorceil): Likewise.
1281 (ix86_expand_rint): Likewise.
1282 (ix86_expand_floorceildf_32): Likewise.
1283 (ix86_expand_floorceil): Likewise.
1284 (ix86_expand_rounddf_32): Likewise.
1285 (ix86_expand_truncdf_32): Likewise.
1286 (ix86_expand_round): Likewise.
1288 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1289 Mark Mitchell <mark@codesourcery.com>
1291 * gcc.c: Organize search path variables into $prefix relative,
1292 and well-known native. Add comments.
1293 (add_sysrooted_prefix): Add comment.
1294 (process_command): If !gcc_exec_prefix add $prefix based paths.
1295 If *cross_compile == '0', add native well-known paths.
1296 Assert tooldir_base_prefix is always relative.
1297 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1298 use this value for 'install:' path.
1299 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1301 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1303 * config/i386/i386.c: Fix a typo in comment.
1305 2006-11-13 Michael Matz <matz@suse.de>
1307 * genemit.c (gen_expand): Allocate enough memory.
1309 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1311 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1312 __GXX_TYPEINFO_EQUALITY_INLINE but not
1313 __GXX_MERGED_TYPEINFO_NAMES.
1314 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1315 __GXX_MERGED_TYPEINFO_NAMES.
1316 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1317 __GXX_TYPEINFO_EQUALITY_INLINE.
1319 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1320 Zdenek Dvorak <dvorakz@suse.cz>
1322 PR tree-optimization/29680
1323 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1326 2006-11-12 Jason Merrill <jason@redhat.com>
1327 Andrew Pinski <pinskia@physics.uc.edu>
1330 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1332 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1334 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1335 * tree.c (build_vector): Handle non-_CST elements.
1337 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1339 * genemit.c (gen_insn): Call gen_exp with a non-null used
1340 when handling multiple insns.
1341 (gen_expand): Likewise.
1342 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1343 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1344 (movsi_const_16bit+1): Copy operands[1].
1345 (call_pcrel): Copy the call_site pattern.
1346 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1348 2006-11-12 Roger Sayle <roger@eyesopen.com>
1350 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1351 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1352 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1353 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1355 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1357 Fix PR tree-optimization/29587
1358 * tree-ssa-structalias.c (process_constraint): Don't
1359 mark address taken due only to escaped vars constraint.
1361 2006-11-12 Michael Matz <matz@suse.de>
1362 Roger Sayle <roger@eyesopen.com>
1364 PR rtl-optimization/29797
1365 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1366 BITS_BIG_ENDIAN targets.
1368 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1370 * builtins.c (fold_builtin_cosh): New.
1371 (fold_builtin_1): Use it.
1372 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1373 trunc to the list of "odd" functions. Also add llrint, lrint,
1374 rint and nearbyint when flag_rounding_math is false.
1376 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1378 * tree-flow.h (name_mappings_registered_p): Declare.
1379 * tree-into-ssa.c (name_mappings_registered_p): New function.
1380 * tree-cfg.c (tree_can_merge_blocks_p): Check
1381 name_mappings_registered_p instead of need_ssa_update_p.
1383 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1385 * tree-ssa-loop.c (tree_vectorize): Return the result of
1387 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1388 if anything changed.
1389 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1390 * tree-flow.h (vectorize_loops): Declaration changed.
1392 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1394 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1396 (issue_prefetch_ref): Move assignment to write_p out of loop.
1397 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1398 SIMULTANEOUS_PREFETCHES into account.
1399 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1400 * lambda-code.c (lcm): Renamed to ...
1401 (least_common_multiple): ... and exported.
1402 * tree-flow.h (least_common_multiple): Declare.
1404 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1406 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1407 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1408 ud-chains. Handle AND_EXPR.
1409 (record_estimate): Record whether the estimate is realistic
1410 and whether it is derived from a loop exit.
1411 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1412 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1414 (compute_estimated_nb_iterations): Take only realistic bounds into
1415 account. Set estimate_state. Use double_ints.
1416 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1417 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1418 that do not have to be always executed.
1419 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1420 to determine whether to call infer_loop_bounds_from_undefined
1421 and compute_estimated_nb_iterations.
1422 (n_of_executions_at_most): Use double_ints.
1423 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1424 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1425 * double-int.c (double_int_to_tree): Improve comment.
1426 (double_int_fits_to_tree_p): New function.
1427 * double-int.h (double_int_fits_to_tree_p): Declare.
1428 * tree-data-ref.c: Include langhooks.h.
1429 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1430 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1431 (analyze_array): Do not pass estimate_only argument to
1432 analyze_array_indexes.
1433 (get_number_of_iters_for_loop): Build tree from the stored double_int
1435 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1436 (find_data_references_in_loop): Use find_data_references_in_stmt.
1437 * tree-data-ref.h (struct data_ref_loc_d): New.
1438 (get_references_in_stmt): Declare.
1439 (estimate_iters_using_array): Declaration removed.
1440 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1441 double_int. Improve comments. Add is_exit and realistic
1443 (struct loop): Changed type of estimated_nb_iterations to double_int.
1444 Added estimate_state field.
1445 (record_estimate): Declaration removed.
1447 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1449 * params.c (set_param_value): Initialize the "set" field.
1450 * params.h (struct param_info): Add "set" field.
1451 (PARAM_SET_P): New macro.
1452 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1453 L1_CACHE_LINE_SIZE): New macros.
1454 * toplev.c (DEFPARAM): Initialize the "set" field.
1455 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1456 SIMULTANEOUS_PREFETCHES): Removed.
1457 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1458 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1459 * config/sparc/sparc.c: Include params.h.
1460 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1461 L1_CACHE_LINE_SIZE parameters.
1462 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1464 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1466 * config/i386/i386.c: Include params.h.
1467 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1468 (override_options): Set SIMULTANEOUS_PREFETCHES and
1469 L1_CACHE_LINE_SIZE parameters.
1470 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1471 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1472 L1_CACHE_LINE_SIZE parameters.
1473 * config/ia64/ia64.c (ia64_optimization_options): Set
1474 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1475 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1477 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1478 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1479 * doc/invoke.texi: Document new params.
1481 2006-11-12 Roger Sayle <roger@eyesopen.com>
1483 PR tree-optimization/13827
1484 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1487 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1489 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1490 update_single_exit_for_duplicated_loops): New functions.
1491 (duplicate_loop_to_header_edge): Use
1492 update_single_exit_for_duplicated_loops.
1493 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1494 functions only with ENABLE_CHECKING.
1496 2006-11-12 Andreas Schwab <schwab@suse.de>
1498 * except.c (sjlj_emit_function_enter): Remove unused variable.
1500 2006-11-11 Roger Sayle <roger@eyesopen.com>
1502 * fold-const.c (int_binop_types_match_p): New function.
1503 (size_binop): Relax constraint that both arguments must both have
1504 exactly the same sizetype type. Instead use int_binop_types_match_p.
1505 (size_diffop): Likewise.
1507 (make_range): Use build_int_cst instead of fold_convert.
1508 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1509 integer constants of the correct type.
1510 (fold_div_compare): Likewise.
1511 (fold_single_bit_test): Likewise.
1512 (fold_binary): Likewise.
1513 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1514 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1516 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1519 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1520 non null value if the struct memory access is in the 0th
1523 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1526 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1527 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1530 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1531 instead of builtin_define for bfin and BFIN.
1533 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1535 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1538 2006-11-11 Jan Hubicka <jh@suse.cz>
1540 * extend.texi (__builtin_expect): We no longer require second argument
1542 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1543 * builtins.c (expand_builtin_expect): Simplify.
1544 (expand_builtin_expect_jump): Kill.
1545 * final.c (final_scan_insn): Do not skip the removed notes.
1546 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1547 EXPECTED_VALUE): Remove.
1548 * dojump.c (do_jump): Do not care about __builtin_expect.
1549 * predict.c (expected_value_to_br_prob): Kill.
1550 * function.c (expand_function_end): Do not expand
1551 NOTE_INSN_REPEATED_LINE_NUMBER.
1552 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1553 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1554 * cfgexpand.c (add_reg_br_prob_note): Export.
1555 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1556 expected_value_to_br_prob.
1557 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1558 * rtl.h (add_reg_br_prob_note): Declare.
1560 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1562 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1564 2006-11-11 Jan Hubicka <jh@suse.cz>
1566 * predict.c (predict_loops): Kill RTL variant.
1568 2006-11-11 Jan Hubicka <jh@suse.cz>
1570 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1571 * modulo-sched.c (find_line_note): Remove.
1572 (loop_canon_p): Do not worry about line number notes.
1573 (sms_schedule): Likewise.
1574 * cse.c (cse_main): Likewise.
1575 * regmove.c (fixup_match_1): Likewise
1576 * function.c (emit_return_info_block): Likewise.
1577 (expand_function_end): Likewise.
1578 (thread_prologue_an_epilogue_insns): Likewise.
1579 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1581 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1582 emit_note_copy_after): Kill.
1583 (emit_note_copy): Do not worry about line numbers.
1584 * jump.c (purge_line_number_notes): Kill.
1585 (pass_purge_lineno_notes): Kill.
1586 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1588 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1589 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1590 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1591 * tree-pass.h (pass_purge_lineno_notes): Kill.
1592 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1593 rm_redundant_line_notes.
1594 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1595 rm_redundant_line_notes.
1596 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1597 * haifa-sched.c: Update comment about handling notes.
1598 (unlink_line_notes): Kill.
1599 (rm_line_notes): Kill.
1600 (save_line_notes): Simplify.
1601 (rm_redundant_line_notes): Kill.
1603 2006-11-11 Richard Guenther <rguenther@suse.de>
1605 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1606 Remove unused tree codes.
1607 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1608 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1609 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1610 * tree.c (stabilize_reference): Likewise.
1611 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1612 fold_unary): Likewise.
1613 * tree-gimple.c (is_gimple_cast): Likewise.
1614 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1615 * expr.c (expand_expr_real_1): Likewise.
1616 * tree-eh.c (tree_could_trap_p): Likewise.
1617 * gimplify.c (gimplify_expr): Likewise.
1618 * tree-inline.c (estimate_num_insns_1): Likewise.
1619 * tree-cfg.c (verify_expr): Likewise.
1621 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1623 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1624 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1625 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1627 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1630 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1631 constraints accept neither registers or memories.
1633 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1635 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1636 (NO_PROFILE_COUNTERS): Define as 1.
1638 2006-11-10 Roger Sayle <roger@eyesopen.com>
1640 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1641 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1643 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1645 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1647 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1649 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1650 (fold_builtin_hypot): Likewise.
1651 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1653 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1655 2006-11-10 Roger Sayle <roger@eyesopen.com>
1657 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1658 when attempting to build INTEGER_CSTs of non-integral types.
1659 * expmed.c (make_tree): Use the correct type, i.e. the inner
1660 type, when constructing the individual elements of a CONST_VECTOR.
1662 2006-11-10 Jan Hubicka <jh@suse.cz>
1664 * cse.c (cse_process_notes): Copy the propagated value.
1665 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1667 * gcse.c (try_replace_reg): Copy the replacement.
1668 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1669 (assign_386_stack_local): Always return copied memory expression
1670 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1673 2006-11-10 Jan Hubicka <jh@suse.cz>
1675 * final.c (final): Walk from first instruction.
1676 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1678 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1681 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1683 (umulv8hi3_highpart): Ditto.
1684 (vec_widen_smult_hi_v8hi): New expander.
1685 (vec_widen_smult_lo_v8hi): Ditto.
1687 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1690 * builtins.c (do_mpfr_arg3): New.
1691 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1693 2006-11-09 Eric Christopher <echristo@apple.com>
1698 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1699 * config.gcc (powerpc64-*-darwin*): New target.
1700 * config.host: Ditto.
1701 * config/rs6000/darwin64.h: New file.
1702 * config/rs6000/x-darwin64: Ditto.
1703 * config/rs6000/host-ppc64-darwin.c: Ditto.
1705 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1707 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1708 routines for integer division.
1710 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1712 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1714 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1717 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1719 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1721 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1722 simplify_subreg with BLKmode outer mode.
1724 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1726 * doc/invoke.texi: Minor formatting fixes in option lists.
1728 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1730 PR tree-optimization/29738
1731 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1732 (ccp_lattice_t): Remove UNKNOWN_VAL.
1733 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1734 Do not handle UNKNOWN_VAL.
1735 (get_default_value): Set initial value of virtual operands to
1737 (get_value): Always use get_default_value on uninitialized
1739 (set_value_varying, surely_varying_stmt_p): New functions.
1740 (set_lattice_value): Do not pass argument to get_value.
1741 Do not handle UNKNOWN_VAL.
1742 (likely_value): Follow the semantics described in the comment.
1743 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1744 phi nodes DONT_SIMULATE_AGAIN.
1745 (ccp_fold): Do not pass argument to get_value.
1746 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1749 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1751 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1752 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1754 2006-11-08 Roger Sayle <roger@eyesopen.com>
1756 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1757 test for inclusion rather than as a test for exclusion.
1758 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1759 the condition after calling fold_binary.
1760 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1761 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1762 * builtins.c (fold_builtin_isascii): Likewise.
1763 (fold_builtin_isdigit): Likewise.
1765 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1767 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1768 * configure: Regenerate.
1770 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1772 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1773 enum argument instead of bool.
1774 (vect_analyze_operations): Call vectorizable_type_promotion.
1775 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1776 stmt_vec_info_type value.
1777 (supportable_widening_operation, vectorizable_type_promotion): New
1778 function declarations.
1779 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1780 (vectorizable_type_promotion): New function.
1781 (vect_transform_stmt): Call vectorizable_type_promotion.
1782 * tree-vect-analyze.c (supportable_widening_operation): New function.
1783 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1785 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1788 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1789 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1790 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1792 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1793 * expr.c (expand_expr_real_1): Likewise.
1794 * optabs.c (optab_for_tree_code): Likewise.
1795 (init_optabs): Initialize new optabs.
1796 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1797 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1798 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1799 vec_unpacku_lo_optab): Initialize new optabs.
1800 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1801 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1802 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1804 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1805 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1806 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1807 (vec_unpacku_lo_optab): New optabs.
1808 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1809 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1810 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1811 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1812 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1813 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1815 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1816 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1817 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1818 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1819 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1820 implement the unsigned unpacking patterns.
1821 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1822 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1823 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1824 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1825 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1826 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1827 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1828 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1829 multiplication patterns.
1831 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1832 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1833 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1834 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1835 (rs6000_builtin_mul_widen_odd): New.
1836 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1837 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1838 * tree-vectorizer.h (enum vect_relevant): New enum type.
1839 (_stmt_vec_info): Field relevant chaned from bool to enum
1841 (STMT_VINFO_RELEVANT_P): Updated.
1842 (STMT_VINFO_RELEVANT): New.
1843 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1844 instead of STMT_VINFO_RELEVANT_P.
1845 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1846 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1847 and boolean variable with enum vect_relevant.
1848 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1849 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1850 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1852 2006-11-08 Richard Henderson <rth@redhat.com>
1854 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1855 vec_widen_umult_lo_v8hi): New.
1856 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1857 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1859 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1860 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1861 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1862 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1863 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1864 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1865 vec_unpacks_lo_v4si): New.
1867 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1869 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1870 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1871 (vect_analyze_operations): Call vectorizable_type_demotion.
1872 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1873 stmt_vec_info_type value.
1874 (vectorizable_type_demotion): New function declaration.
1875 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1878 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1879 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1881 * tree-iniline.c (estimate_num_insns_1): Likewise.
1882 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1883 * optabs.c (optab_for_tree_code): Likewise.
1885 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1886 compared against the predicate of the result is not 'mode' (the input
1887 to the function) but a mode with half the size of 'mode'.
1888 (init_optab): Initialize new optabs.
1889 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1891 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1893 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1894 (vec_pack_usat_optab): Initialize new optabs.
1895 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1896 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1898 2006-11-08 Richard Henderson <rth@redehat.com>
1900 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1901 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1902 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1903 (vec_interleave_highv4si, vec_interleave_lowv4si):
1904 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1906 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1908 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1910 (vect_transform_stmt): Removed redundant code.
1912 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1914 * tree-vect-transform.c (vectorizable_operation): Support multiple
1917 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1919 * tree-vect-transform.c (vect_align_data_ref): Removed.
1920 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1921 Updated function documentation. Return the increment stmt in ptr_incr.
1922 (bump_vector_ptr): New function.
1923 (vect_get_vec_def_for_stmt_copy): New function.
1924 (vect_finish_stmt_generation): Create a stmt_info to newly created
1926 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1928 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1929 VF is greater than the number of elements that can fit in one vector
1931 (vectorizable_operation, vectorizable_condition): Likewise.
1932 (vectorizable_store, vectorizable_load): Support the case that the VF
1933 is greater than the number of elements that can fit in one vector word.
1934 (vect_transform_loop): Don't fail in case of multiple data-types.
1935 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1936 in case of multiple data-types; the smallest type determines the VF.
1937 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1938 if they are of different sizes.
1939 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1940 number of elements rather than number of bytes.
1941 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1942 (vect_can_advance_ivs_p): Fix a dump printout
1944 2006-11-07 Eric Christopher <echristo@apple.com>
1946 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1947 (__bswapsi2): Ditto.
1948 * libgcc2.h: Remove transformation of bswap routines.
1949 * config/i386/i386.md (bswapsi2): New.
1952 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1954 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1955 (handle_gnu_inline_attribute): New function.
1956 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1957 (merge_decls, start_decl, start_function): Likewise.
1958 * doc/extend.texi: Document gnu_inline attribute.
1960 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1963 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1964 _fixunstfdi, and _floatditf
1966 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1968 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1970 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1971 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1972 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1973 which start in an odd register.
1975 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1977 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1979 2006-11-07 Josh Conner <jconner@apple.com>
1981 * doc/invoke.texi (fstrict-aliasing): Move implementation
1983 * doc/tree-ssa.texi (Alias analysis): ...here.
1985 2006-11-07 Richard Guenther <rguenther@suse.de>
1987 PR tree-optimization/29610
1988 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1989 of tree_purge_dead_eh_edges as it may free dominators.
1991 * g++.dg/other/pr29610.C: New testcase.
1993 2006-11-07 David Ung <davidu@mips.com>
1995 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1996 costs when optimizing for size.
1997 (override_options): Use mips_rtx_cost_optimize_size table for cost
2000 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2002 * gcc.c (process_command): Treat -b as normal switch if its argument
2005 2006-11-07 David Ung <davidu@mips.com>
2007 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2010 2006-11-06 Eric Christopher <echristo@apple.com>
2012 * config.gcc: Add x86_64-darwin host support.
2013 * config.host: Ditto.
2014 * config/i386/darwin64.h: New file.
2015 * config/i386/t-darwin64: Ditto.
2017 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2019 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2020 and output-exists-not.
2022 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2025 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2026 checking for overflow.
2028 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2030 * configure.ac: Fixed typo in case statement: :: changed to ;;
2032 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2034 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2035 count_leading_zeros, and count_trailing_zeros.
2036 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2037 (TARGET_FOLD_BUILTIN): Define.
2038 (TARGET_EXPAND_BUILTIN): Define.
2039 (xtensa_init_builtins): New.
2040 (xtensa_fold_builtin): New.
2041 (xtensa_expand_builtin): New.
2042 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2043 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2044 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2045 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2046 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2047 (any_extend): New code macro.
2048 (u, su): New code attributes.
2049 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2050 (nsau): Remove; replaced by clzsi2.
2051 (ffssi2): Use clzsi2.
2052 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2053 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2054 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2055 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2056 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2058 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2060 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2062 * config/arm/t-strongarm-elf: Likewise.
2063 * config/arm/t-pe: Likewise.
2064 * config/arm/t-arm-elf: Likewise.
2065 * config/arm/t-xscale-elf: Likewise.
2066 * config/arm/t-arm-coff: Likewise.
2067 * config/arm/t-xscale-coff: Likewise.
2068 * config/arm/t-wince-pe: Likewise.
2070 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2072 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2075 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2078 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2081 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2084 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2085 as a valid 80387 constant.
2086 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2087 * config/i386/i386.md (unnamed splitter): Split the load of
2088 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2091 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2093 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2094 from the soft-frame, argument and virtual registers.
2096 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2098 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2099 patterns for standard 80387 constants.
2101 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2102 Steven Bosscher <steven@gcc.gnu.org>
2104 * fwprop.c: New file.
2105 * Makefile.in: Add fwprop.o.
2106 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2107 * passes.c (init_optimization_passes): Schedule forward propagation.
2108 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2110 * timevar.def (TV_FWPROP): New.
2111 * common.opt (-fforward-propagate): New.
2112 * opts.c (decode_options): Enable forward propagation at -O2.
2113 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2114 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2115 canon_for_address, table_size): Remove.
2116 (new_basic_block, insert, remove_from_table): Remove references to
2118 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2119 simplification loop more straightforward by not calling fold_rtx
2121 (equiv_constant): Move here a small part of fold_rtx_subreg,
2122 do not call fold_rtx. Call avoid_constant_pool_reference
2124 * recog.h (canonicalize_change_group): New.
2126 * doc/invoke.texi (Optimization Options): Document fwprop.
2127 * doc/passes.texi (RTL passes): Document fwprop.
2129 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2131 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2132 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2133 (grokdeclarator): Likewise.
2135 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2137 * tree-dump.c (dump_enable_all): Rename local variable
2138 ir_type to avoid name conflicts.
2139 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2140 instead of using ir_type().
2141 * profile.c (tree_register_profile_hooks): Likewise.
2142 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2143 * basic-block.h (struct edge_def): Likewise.
2144 * config/arm/arm.c (legitimize_pic_address): Likewise.
2145 * coretypes.h (ir_type): New enum of all intermediate languages
2147 * cfghooks.c (ir_type): Rename to...
2148 (current_ir_type): ...this. Distinguish between cfgrtl and
2149 cfglayout mode when the current IR is RTL. Return enum ir_type.
2150 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2152 2006-11-03 Paul Brook <paul@codesourcery.com>
2154 * config/arm/arm.c (arm_file_start): New function.
2155 (TARGET_ASM_FILE_START): Define.
2156 (arm_default_cpu): New variable.
2157 (arm_override_options): Set arm_default_cpu.
2159 2006-11-03 David Ung <davidu@mips.com>
2161 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2162 PROCESSOR_24KC and PROCESSOR_24KF.
2163 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2164 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2165 (mips_rtx_cost_data): Add costs for the 24kc.
2166 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2167 * config/mips/24k.md: Remove references to 24k and replace with
2168 uses of 24kc/24kf in the appropriate reservations.
2169 * doc/invoke.texi (MIPS Options): Updated.
2171 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2173 * config/sh/crt1.asm: Fix #ifdef indent.
2175 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2176 Merged from STMicroelectronics sources:
2177 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2178 * config/sh/crt1.asm (vbr_600): Add missing #if.
2179 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2180 * sh.opt (mfused-madd): New option.
2181 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2182 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2183 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2184 Remove pointless handler at VBR+0.
2185 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2186 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2187 fr7. Make sure the timer handler is called with the correct FPU
2188 precision setting, according to the ABI.
2189 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2190 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2191 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2192 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2193 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2194 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2195 zero as second operand.
2196 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2197 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2198 Fixed some bugs related to negative values, in particular -0
2199 and overflow at -0x80000000.
2200 * config/sh/divcost-analysis: Added sh4-300 figures.
2201 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2202 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2203 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2204 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2205 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2206 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2208 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2210 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2211 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2212 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2213 mac_mem, mem_mac, dfp_mul, fp_cmp.
2214 (insn_class, dfp_comp, any_fp_comp): Update.
2215 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2216 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2217 (muldf3_i): Likewise.
2218 (movsi_i): Split rI08 alternative into two separate alternatives.
2220 (movsi_ie, movsi_i_lowpart): Likewise.
2221 (movqi_i): Split ri alternative into two separate alternatives.
2223 * sh1.md (sh1_load_store, sh1_fp): Update.
2224 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2225 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2226 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2227 (sh4a_fp_double_arith): Likewise.
2228 * sh4-300.md: New file.
2229 * sh.c (sh_handle_option): Handle m4-300* options.
2230 (sh_adjust_cost): Fix latency of auto-increments.
2231 Handle SH4-300 differently than other SH4s. Check for new insn types.
2232 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2233 been set by an option.
2234 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2235 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2236 (mbranch-cost=): Likewise.
2237 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2239 * sh.md (mulsf3): Remove special expansion code.
2240 (mulsf3_ie): Now a define_insn_and_split.
2241 (macsf3): Allow for TARGET_SH4.
2243 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2244 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2245 (expand_cbranchdi4): Likewise.
2246 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2247 CONST_DOUBLE if the outer code is COMPARE.
2248 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2249 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2250 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2251 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2252 Remove redundant fp_{zero,one}_operand checks.
2253 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2254 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2255 (expand_cbranchdi4): Likewise.
2256 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2257 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2259 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2261 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2264 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2266 * doc/invoke.texi: Fix mfp-trap-mode typo.
2268 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2270 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2271 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2272 file_end_indicate_exec_stack.
2273 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2275 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2276 for a non-executable stack.
2277 * crti.asm: Likewise.
2278 * crtn.asm: Likewise.
2279 * libunwind.S: Likewise.
2281 2006-11-02 Ben Elliston <bje@au.ibm.com>
2283 * tree-ssa.c (warn_uninit): Use expand_location variables for
2284 locus and declaration locus.
2286 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2289 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2290 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2291 cmp{eq,gt,gtu}{si,di}_media.
2292 (*cmpne0si_media): Remove.
2293 (*movsicc_umin): Adjust gen_cmp*_media call.
2294 (unordered): Change the mode of unordered and operands[1] to
2296 (seq): Adjust gen_cmp*_media calls. Make the mode of
2297 a temporary result of compare SImode if needed. If the mode
2298 of operands[0] is DImode, extend the temporary result to DImode.
2299 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2300 (sunorderd): Change the mode of match_operand and unorderd to
2302 (cmpeq{sf,df}_media): Remove.
2303 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2304 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2305 and compare operation to SImode.
2307 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2309 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2311 (sparc64-sun-solaris2*): Likewise.
2313 2006-11-02 Paul Brook <paul@codesourcery.com>
2315 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2316 from priority argument. Use different section for non-default
2318 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2320 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2323 * except.c (switch_to_exception_section): Do not cache the section
2324 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2325 and flag_function_sections is set.
2327 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2330 * builtins.c (do_mpfr_sincos): New.
2331 (fold_builtin_1): Use it to fold builtin sincos.
2333 2006-11-01 Roger Sayle <roger@eyesopen.com>
2335 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2336 it into -D_REENTRANT.
2338 2006-11-01 Roger Sayle <roger@eyesopen.com>
2340 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2341 whether the assembler supports taking the difference of symbols in
2342 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2343 * configure: Regenerate.
2344 * config.in: Regenerate.
2345 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2346 the assembler doesn't support taking the difference of symbols in
2347 different sections, i.e. we're using the native solaris assembler.
2349 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2350 Peter Bergner <bergner@vnet.ibm.com>
2352 * doc/invoke.texi: Add cpu_type power6x
2353 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2354 * config.gcc: Add cpu_type power6x.
2355 * configure.ac: Add test for mf{t,f}gpr instructions.
2356 (HAVE_AS_MFPGPR): New.
2357 * config.in: Regenerate.
2358 * configure: Regenerate.
2359 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2360 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2361 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2362 and mftgpr attributes.
2363 (define_attr "cpu"): Add power6.
2364 Change instruction sequences to use new attributes.
2365 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2366 (fix_truncdfsi2_mfpgpr): New.
2367 (floatsidf_ppc64_mfpgpr): New.
2368 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2369 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2370 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2371 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2372 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2373 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2374 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2375 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2376 cntlz,exts and var_delayed_compare.
2377 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2378 _ARCH_PWR6X, if features enabled.
2379 * config/rs6000/rs6000.opt (mmfpgpr): New.
2380 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2381 (cached_can_issue_more): New variable.
2382 (processor_costs): Add power6_cost.
2383 (rs6000_sched_init): New function.
2384 (is_dispatch_slot_restricted): Deleted.
2385 (set_to_load_agen): New function.
2386 (is_load_insn,is_store_insn): New functions.
2387 (adjacent_mem_locations): New function.
2388 (insn_must_be_first_in_group): New function.
2389 (insn_must_be_last_in_group): New function.
2390 (rs6000_sched_reorder): New function.
2391 (rs6000_sched_reorder2): New function.
2392 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2393 TARGET_SCHED_REORDER2): Define.
2394 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2395 Add power6x. Add MASK_MFPGPR for power6x.
2396 (POWERPC_MASKS): Add MASK_MFPGPR.
2397 (rs6000_override_options): Set rs6000_always_hint to false
2398 for power6. Set rs6000_align_branch_targets. Replace
2399 rs6000_sched_groups check with rs6000_align_branch_targets.
2400 Use PROCESSOR_POWER6.
2401 (last_scheduled_insn): New variable.
2402 (load_store_pendulum): New variable.
2403 (rs6000_variable_issue): Set last_scheduled_insn and
2404 cached_can_issue_more.
2405 (rs6000_adjust_cost): Add power6 cost adjustments.
2406 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2407 with insn_must_be_first_in_group. Add power6 priority adjustments.
2408 (rs6000_issue_rate): Add CPU_POWER6.
2409 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2410 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2411 (TARGET_MFPGPR): New.
2412 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2413 (ASM_CPU_SPEC): Add power6x.
2414 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2416 * config/rs6000/power6.md: New file.
2418 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2420 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2421 HOST_WIDE_INT_PRINT to print high and low parts. Use
2422 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2423 printing a hexadecimal number prefix it with 0x.
2425 2006-11-01 Chris Johns <chris@contemporary.net.au>
2428 * Makefile.in (install-driver): Use exeext when installing
2429 $target-gcc-$version.
2431 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2433 * c-common.c (flag_cpp0x): New.
2434 * c-common.h (flag_cpp0x): New.
2435 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2436 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2437 * c-opts.c (set_std_cxx0x): New.
2438 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2439 * c.opt (std=c++0x): Document.
2440 (std=gnu++0x): Ditto.
2441 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2442 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2444 2006-11-01 Richard Guenther <rguenther@suse.de>
2446 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2448 (ix86_expand_floorceildf_32): Likewise.
2449 (ix86_expand_floorceil): Likewise.
2450 (ix86_expand_trunc): Likewise.
2452 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2454 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2457 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2459 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2461 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2463 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2465 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2466 * configure.ac (use_cxa_atexit): As a special case, don't test
2467 for libc definition of __cxa_atexit on mingw32
2468 * configure: Regenerate.
2469 * config.gcc (i[34567]86-pc-mingw32): Default to
2470 enable__cxa_atexit=yes.
2472 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2474 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2476 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2479 * c-decl.c (start_struct): Don't create self-containing
2481 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2483 * config/rs6000/rs6000-protos.h
2484 (darwin_rs6000_special_round_type_align): New.
2485 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2486 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2488 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2490 * toplev.c (compile_file): Call final_write_globals
2491 even if there have been errors.
2493 2006-10-31 Eric Christopher <echristo@apple.com>
2494 Falk Hueffner <falk@debian.org>
2496 * doc/extend.texi (__builtin_bswap32): Document.
2497 (__builtin_bswap64): Ditto.
2498 * doc/libgcc.texi (bswapsi2): Document.
2500 * doc/rtl.texi (bswap): Document.
2501 * optabs.c (expand_unop): Don't widen a bswap.
2502 (init_optabs): Init bswap. Set libfuncs explicitly
2503 for bswapsi2 and bswapdi2.
2504 * optabs.h (OTI_bswap): New.
2505 (bswap_optab): Ditto.
2506 * genopinit.c (optabs): Handle bswap_optab.
2507 * tree.h (tree_index): Add TI_UINT32_TYPE and
2509 (uint32_type_node): New.
2510 (uint64_type_node): Ditto.
2511 * tree.c (build_common_tree_nodes_2): Initialize
2512 uint32_type_node and uint64_type_node.
2513 * builtins.c (expand_builtin_bswap): New.
2514 (expand_builtin): Call.
2515 (fold_builtin_bswap): New.
2516 (fold_builtin_1): Call.
2517 * fold-const.c (tree_expr_nonnegative_p): Return true
2519 * builtin-types.def (BT_UINT32): New.
2521 (BT_FN_UINT32_UINT32): Ditto.
2522 (BT_FN_UINT64_UINT64): Ditto.
2523 * builtins.def (BUILT_IN_BSWAP32): New.
2524 (BUILT_IN_BSWAP64): Ditto.
2525 * rtl.def (BSWAP): New.
2526 * genattrtab.c (check_attr_value): New.
2527 * libgcc2.c (__bswapSI2): New.
2528 (__bswapDI2): Ditto.
2529 * libgcc2.h (__bswapSI2): Declare.
2530 (__bswapDI2): Ditto.
2531 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2532 * simplify-rtx.c (simplify_const_unary_operation): Return
2534 * libgcc-std.ver (__bwapsi2): Add.
2535 (__bswapdi2): Ditto.
2536 * reload1.c (eliminate_regs_1): Add bswap.
2537 (elimination_effects): Ditto.
2538 * config/i386/i386.h (x86_bswap): New.
2539 (TARGET_BSWAP): Use.
2540 * config/i386/i386.c (x86_bswap): Set.
2542 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2544 * coverage.c (coverage_checksum_string): Update comment.
2545 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2546 of get_file_function_name.
2547 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2548 of get_file_function_name_long.
2549 * tree.c (get_file_function_name): Rename from
2550 get_file_function_name_long; improve comment; handle 'I' and 'D'
2551 specially when the target has ctor/dtor support; remove special
2553 (get_file_function_name): Remove.
2554 * tree.h (get_file_function_name): Rename from
2555 get_file_function_name_long.
2556 (get_file_function_name): Remove prototype.
2558 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2560 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2561 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2563 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2564 Call dsymutil when compiling and linking one or more source files
2567 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2570 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2572 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2574 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2575 inline static functions in c99 mode.
2578 * doc/extend.texi (Inline): Update.
2579 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2580 * c-decl.c (current_extern_inline): Delete.
2581 (pop_scope): Adjust test for an undefined nested function.
2582 Add warning about undeclared inline function.
2583 (diagnose_mismatched_decls): Update comments. Disallow overriding
2584 of inline functions in a translation unit in C99. Allow inline
2585 declarations in C99 at any time.
2586 (merge_decls): Boolize variables. Handle C99 'extern inline'
2588 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2589 C99 inline semantics.
2590 (start_function): Don't clear current_extern_inline. Don't set
2592 (c_push_function_context): Don't push current_extern_inline.
2593 (c_pop_function_context): Don't restore current_extern_inline.
2596 * c-typeck.c (build_external_ref): Warn about static variables
2597 used in extern inline functions.
2598 * c-decl.c (start_decl): Warn about static variables declared
2599 in extern inline functions.
2601 2006-10-31 Roger Sayle <roger@eyesopen.com>
2604 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2605 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2606 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2607 or y is an even integer.
2609 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2612 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2613 * gthr-posix95.h (__gthread_active_p): Likewise.
2615 2006-10-31 Richard Guenther <rguenther@suse.de>
2617 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2618 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2619 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2620 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2621 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2622 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2623 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2624 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2627 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2629 * opts.c (decode_options): Disable CSE skip blocks.
2631 2006-10-30 Dirk Mueller <dmueller@suse.de>
2633 * c-common.h (strict_aliasing_warning): Fix whitespace.
2634 * c-decl (start_function): Move code for main decl warning ..
2635 * c-common.c (check_main_parameter_types): .. here.
2636 * c-common.h (check_main_parameter_types): Declare.
2638 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2641 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2643 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2645 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2646 be a PARALLEL containing sets. Return false when out_pat is not
2649 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2651 * config/mips/mips.md (mul<mode>3): Split into...
2652 (mulsi3, muldi3): ...these separate patterns.
2654 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2656 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2657 but with each set of options separated by spaces.
2659 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2661 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2662 dwarf_reg_size_table has been initialized.
2664 2006-10-30 Roger Sayle <roger@eyesopen.com>
2666 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2667 * ddg.c (print_ddg_edge): Likewise.
2668 * dwarf2out.c (prune_unused_types_walk): Likewise.
2669 * ifcvt.c (noce_try_cmove_arith): Likewise.
2670 * langhooks.c (add_builtin_function): Likewise.
2671 * reg-stack.c (subst_stack_regs_pat): Likewise.
2672 * tree.c (expanded_location): Likewise.
2673 * tree-dump.c (dequeue_and_dump): Likewise.
2675 2006-10-30 David Daney <ddaney@avtrex.com>
2677 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2679 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2681 PR tree-optimization/29637
2682 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2683 of the innertype is the innertype itself.
2685 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2687 * dwarf2out.c (file_name_acquire): Correct typo.
2689 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2691 * tree.h (tree_value_handle): Remove struct value_set declaration.
2692 Change value_set to bitmap_set.
2693 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2694 * tree-vn.c (get_value_handle): Made inline and moved to
2696 * tree-flow-inline.h: (has_stmt_ann): New function.
2697 * tree-ssa-pre.c (expressions): New variable.
2698 (next_expression_id): Ditto.
2699 (alloc_expression_id): New function.
2700 (struct value_set): Remove.
2701 (get_expression_id): New function.
2702 (get_or_alloc_expression_id): Ditto.
2703 (expression_for_id): Ditto.
2704 (clear_expression_ids): Ditto.
2705 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2706 (bb_value_sets): Renamed to bb_bitmap_sets.
2707 All value sets replaced with bitmap_sets.
2709 (BB_VISITED): New macro.
2710 (postorder): New variable.
2711 (add_to_value): Removed.
2712 (value_exists_in_set_bitmap): Ditto.
2713 (value_insert_into_set_bitmap): Ditto.
2716 (set_remove): Ditto.
2717 (set_contains_value): Ditto.
2718 (insert_into_set): Ditto.
2720 (find_leader): Ditto.
2721 (bitmap_set_subtract_from_value_set): Ditto.
2722 (value_insert_into_set): Ditto.
2723 (print_value_set): Ditto.
2724 (debug_value_set): Ditto.
2725 (constant_expr_p): New function.
2726 (bitmap_remove_from_set): Ditto.
2727 (bitmap_insert_into_set): Ditto.
2728 (bitmap_set_free): Ditto.
2729 (vh_compare): Ditto.
2730 (sorted_array_from_bitmap_set): Ditto.
2731 (bitmap_set_subtract): Ditto.
2732 (bitmap_set_equal): Ditto.
2733 (debug_bitmap_set): Ditto.
2734 (find_leader_in_sets): Ditto.
2735 (bitmap_set_replace_value): Modify for bitmapped sets.
2736 (phi_translate): Ditto.
2737 (phi_translate_set): Ditto.
2738 (bitmap_find_leader): Ditto.
2739 (valid_in_sets): Ditto.
2740 (union_contains_value): Ditto.
2742 (compute_antic_aux): Ditto. Mark changed blocks.
2743 (compute_antic): Ditto. Iterate in postorder and only over
2745 (compute_rvuse_and_antic_safe): Reuse postorder.
2746 (create_component_ref_by_pieces): Modify for bitmapped sets.
2747 (find_or_generate_expression): Ditto.
2748 (create_expression_by_pieces): Ditto.
2749 (insert_into_preds_of_block): Ditto.
2750 (changed_blocks): New variable.
2751 (do_regular_insertion): Broken out from insert_aux.
2752 (insert_aux): Modified for bitmapped sets.
2753 (find_existing_value_expr): New function.
2754 (create_value_expr_from): Use it.
2755 (insert_extra_phis): Removed.
2756 (print_bitmap_set): Renamed from bitmap_print_value_set.
2757 (compute_avail): Handle RETURN_EXPR.
2758 (init_pre): Modify for bitmapped sets.
2759 * tree-flow.h (has_stmt_ann): New function.
2761 2006-10-29 Roger Sayle <roger@eyesopen.com>
2763 * builtins.c (fold_builtin_floor): Check for the availability of
2764 the C99 trunc function before transforming floor into trunc.
2766 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2768 * builtins.c (fold_builtin_hypot): Rearrange recursive
2769 transformation before others, and also do ABS_EXPR. When
2770 necessary, check flag_unsafe_math_optimizations. When necessary,
2773 2006-10-29 Roger Sayle <roger@eyesopen.com>
2775 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2776 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2777 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2778 Fold -X eq/ne -Y as X eq/ne Y.
2780 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2782 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2783 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2784 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2785 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2786 Use an inclusive test for "mult" rather than "mul".
2787 (rotr<mode>3): Depend on ISA_HAS_ROR.
2788 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2790 (GENERATE_MULT3_DI): Delete.
2791 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2792 (ISA_HAS_MUL3): New macro.
2793 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2794 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2795 (ISA_HAS_CLZ_CLO): Likewise.
2796 (ISA_HAS_DCLZ_DCLO): Delete.
2797 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2798 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2799 the VR4120 and VR4130.
2800 (ISA_HAS_MACCHI): Use consistent formatting.
2801 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2802 (ISA_HAS_ROR): ...this new macro.
2803 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2804 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2805 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2807 2006-10-29 Roger Sayle <roger@eyesopen.com>
2809 PR tree-optimization/15458
2810 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2813 2006-10-29 Richard Guenther <rguenther@suse.de>
2815 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2816 (ix86_expand_truncdf_32): Likewise.
2817 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2818 trunc inline for SSE math and -fno-trapping-math and if not
2819 optimizing for size.
2820 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2821 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2822 for expanding btrunc inline for SSE math.
2824 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2826 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2827 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2828 i[34567]86-*-solaris2.1[0-9]*.
2829 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2830 Define conditionally depending on TARGET_64BIT_DEFAULT.
2831 (SPEC_32, SPEC_64): Define.
2832 (LINK_SPEC): Use them.
2833 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2835 2006-10-29 Richard Guenther <rguenther@suse.de>
2837 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2838 (ix86_expand_rounddf_32): Likewise.
2839 * config/i386/i386.c (ix86_expand_round): New function expanding
2840 round inline for SSE math and -fno-trapping-math and if not
2841 optimizing for size.
2842 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2843 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2844 round via ix86_expand_round.
2846 2006-10-29 Richard Guenther <rguenther@suse.de>
2848 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2849 (ix86_expand_floorceildf_32): Likewise.
2850 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2851 static helper function.
2852 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2854 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2855 * config/i386/i386.md (floordf2): Adjust to enable floor
2856 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2857 -fno-trapping-math is enabled and if not optimizing for size.
2858 (floorsf2, ceildf2, ceilsf2): Likewise.
2859 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2860 (sse2_maskcmpdf3): Likewise.
2862 2006-10-29 Richard Guenther <rguenther@suse.de>
2864 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2865 rint in case -fno-trapping-math is enabled.
2866 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2867 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2868 (ix86_expand_sse_fabs): Likewise.
2869 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2870 * config/i386/i386.md (rintdf2): Enable for SSE math if
2871 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2872 (rintsf2): Likewise.
2874 2006-10-29 Richard Guenther <rguenther@suse.de>
2876 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2877 to conversion optabs.
2878 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2879 as conversion optab.
2880 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2881 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2882 (lfloor_optab, lceil_optab): Adjust defines.
2883 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2884 lfloor and lceil optabs now being conversion optabs.
2885 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2886 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2887 New static helper function.
2888 (ix86_expand_lfloorceil): New function to expand lfloor and
2890 * config/i386/i386.md (lfloor<mode>2): Split into ...
2891 (lfloorxf<mode>2): ... x87 variant
2892 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2893 using ix86_expand_lfloorceil.
2894 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2896 * doc/md.texi (lfloorMN, lceilMN): Document.
2898 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2900 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2901 -mno-shared assembler option on mips targets.
2902 * configure, config.in: Regenerate.
2903 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2904 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2905 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2907 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2909 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2910 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2912 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2914 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2915 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2918 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2921 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2922 (fold_builtin_pow): Evaluate constant arguments at compile-time
2924 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2925 (do_mpfr_ckconv): New helper function.
2926 (do_mpfr_arg1): Use do_mpfr_ckconv.
2927 (do_mpfr_arg2): New.
2929 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2932 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2933 (-fdump-rtl-sched): Rename to ..
2934 (-fdump-rtl-sched1): here. Also fix file extension number.
2936 2006-10-28 Richard Guenther <rguenther@suse.de>
2938 * fold-const.c (maybe_canonicalize_comparison): Fix code
2941 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2943 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2944 (NON_QI_REG_P): Use IN_RANGE.
2945 (REX_INT_REGNO_P): Use IN_RANGE.
2946 (FP_REGNO_P): Use IN_RANGE.
2947 (SSE_REGNO_P): Use IN_RANGE.
2948 (REX_SSE_REGNO_P): Use IN_RANGE.
2949 (MMX_REGNO_P): Use IN_RANGE.
2950 (STACK_REGNO_P): New macro.
2951 (STACK_REG_P): Use STACK_REGNO_P.
2952 (NON_STACK_REG_P): Use STACK_REGNO_P.
2953 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2954 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2955 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2956 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2957 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2959 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2961 * except.h (output_function_exception_table): Add 'const char*' param.
2962 * except.c (switch_to_exception_section): Add 'const char*' param.
2963 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2964 and flag_function_sections is set, use a function-specific section.
2965 (output_function_exception_table): Add 'const char*' param.
2966 Adjust call to switch_to_exception_section.
2967 * final.c (rest_of_handle_final): Adjust calls to
2968 output_function_exception_table.
2969 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2970 * config.in: Regenerate.
2971 * configure: Likewise.
2973 2006-10-28 Richard Guenther <rguenther@suse.de>
2976 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2977 for maybe_canonicalize_comparison.
2978 (maybe_canonicalize_comparison): New function for canonicalizing
2980 (fold_comparison): Call it to canonicalize comparisons with
2983 2006-10-28 Richard Guenther <rguenther@suse.de>
2986 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2987 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2988 (expand_builtin): Adjust likewise.
2989 * genopinit.c (optabs[]): Add lround optab.
2990 * optabs.c (init_optabs): Initialize lround_optab.
2991 * optabs.h (enum convert_optab_index): Add COI_lround.
2992 (lround_optab): Define.
2993 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2994 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2996 (ix86_expand_lround): New function.
2997 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2999 * doc/md.texi (lroundMN2): Document.
3001 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3004 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3005 argument to HOST_WIDE_INT. Update function prototype.
3006 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3007 "size" argument to HOST_WIDE_INT. Update function prototype.
3009 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3011 * config/i386/i386.c (output_387_ffreep): Create output from a
3012 template string for !HAVE_AS_IX86_FFREEP.
3014 2006-10-27 Eric Christopher <echristo@apple.com>
3016 * config/darwin.c: Fix formatting and grammar.
3018 2006-10-27 Jan Hubicka <jh@suse.cz>
3020 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3021 to be thrown away soon when IGNORE is set.
3022 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3023 indicating when return value shall not be computed.
3024 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3026 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3028 * config/i386/i386.h (TARGET_GEODE):
3029 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3030 (TARGET_CPU_DEFAULT_geode): New macro.
3031 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3032 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3033 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3034 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3035 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3037 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3038 (processor_type): Add PROCESSOR_GEODE.
3040 * config/i386/i386.md: Include geode.md.
3043 * config/i386/i386.c (geode_cost): New initialized global
3045 (m_GEODE, m_K6_GEODE): New macros.
3046 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3047 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3048 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3049 x86_schedule): Use m_K6_GEODE instead of m_K6.
3050 (x86_movx, x86_cmove): Set up m_GEODE.
3051 (x86_integer_DFmode_moves): Clear m_GEODE.
3052 (processor_target_table): Add entry for geode.
3053 (processor_alias_table): Ditto.
3055 * config/i386/geode.md: New file.
3057 * doc/invoke.texi: Add entry about geode processor.
3059 2006-10-27 Mike Stump <mrs@apple.com>
3061 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3062 __DYNAMIC__ from here back to ...
3063 * config/darwin.h (CPP_SPEC): ... here.
3065 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3066 Nathan Sidwell <nathan@codesourcery.com>
3068 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3069 when choosing the minimum heapsize.
3071 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3073 * gcc/unwind-dw2.h: Move cfa-related variables into
3074 struct frame_state_reg_info to ensure that the CFA is properly
3075 handled when executing DW_CFA_{remember,restore}_state.
3076 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3077 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3078 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3079 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3080 gcc/config/rs6000/linux-unwind.h,
3081 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3082 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3083 Modify to use new cfa_* fields.
3085 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3087 * config/s390/s390.c (s390_init_frame_layout): Check positive
3090 2006-10-26 Ben Elliston <bje@au.ibm.com>
3092 * gimplify.c (get_name): Remove extraneous break.
3093 (gimplify_omp_for): Initialise ret with GS_OK.
3095 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3097 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3098 Add unix98.o to link line.
3100 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3103 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3104 Calculate compile-time constants using MPFR.
3105 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3106 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3108 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3110 * config/xtensa/lib2funcs.S: Use C-style comments.
3112 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3114 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3115 (file_table_relative_p): Likewise.
3116 (dwarf2out_finish): Likewise.
3117 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3119 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3121 * tree-ssa-structalias.c (intra_create_variable_infos):
3122 Don't recreate nonlocal_all if it already exists.
3124 2006-10-25 Richard Guenther <rguenther@suse.de>
3127 * optabs.h (enum optab_index): Remove OTI_lrint.
3128 (enum convert_optab_index): Add COI_lrint.
3129 (lrint_optab): Adjust.
3130 (expand_sfix_optab): Declare.
3131 * optabs.c (expand_sfix_optab): New function.
3132 (init_optabs): Init lrint_optab as conversion optab.
3133 * genopinit.c (lrint_optab): Change to a conversion optab.
3134 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3135 expansion via conversion optab.
3136 * config/i386/i386.md (*fistdi2_1): Remove
3137 flag_unsafe_math_optimizations guard.
3138 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3139 fist<mode>2_with_temp): Likewise.
3140 (lrint<mode>2): Split into...
3141 (lrintxf<mode>2): ... x87 part
3142 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3143 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3144 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3145 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3146 * doc/md.texi (lrintMN2): Document.
3148 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3151 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3152 Use inc and dec instructions for TARGET_USE_INCDEC.
3153 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3154 ("sync_double_compare_and_swap<mode>"): Likewise.
3155 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3156 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3157 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3158 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3159 ("sync_old_add<mode>"): Likewise.
3160 ("sync_lock_test_and_set<mode>"): Likewise.
3161 ("sync_lock_test_and_set<mode>"): Likewise.
3162 ("sync_add<mode>"): Likewise.
3163 ("sync_sub<mode>"): Likewise.
3164 ("sync_ior<mode>"): Likewise.
3165 ("sync_and<mode>"): Likewise.
3166 ("sync_xor<mode>"): Likewise.
3168 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3170 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3171 (remainder_optab): Define corresponding macro.
3172 (drem_optab): Remove.
3173 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3174 drem_optab initialization.
3175 * genopinit.c (optabs): Implement remainder_optab using
3176 remainder?f3 patterns. Remove drem_optab.
3177 * builtins.c (expand_builtin_mathfn_2): Handle
3178 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3179 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3180 expand_builtin_mathfn_2.
3182 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3183 depend on flag_unsafe_math_optimizations.
3185 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3186 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3187 Do not depend on flag_unsafe_math_optimizations. Use
3188 truncxf?f expander instead of truncxf?f_i387_noop.
3190 ("fpremxf4", "fprem1xf4"): Do not depend on
3191 flag_unsafe_math_optimizations.
3192 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3193 flag_unsafe_math_optimizations. Use truncxf?f expander
3194 instead of truncxf?f_i387_noop.
3196 * doc/md.texi (fmod, remainder): Document standard named pattern.
3198 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3199 David Daney <ddaney@avtrex.com>
3202 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3204 2006-10-25 Ben Elliston <bje@au.ibm.com>
3206 * doc/extend.texi (Variable Attributes): Typo fix.
3208 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3210 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3211 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3212 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3213 (FRAME_POINTER_REGNUM): Update register number to 21.
3214 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3215 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3217 * config/i386/i386.c (regclass_map): Add fpcr entry.
3218 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3220 (print_reg): Assert REGNO (x) != FPCR_REG.
3222 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3223 (DIRFLAG_REG): Renumber.
3224 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3225 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3226 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3227 hardcoded SSE register numbers.
3229 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3230 hardcoded MMX register numbers.
3232 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3235 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3236 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3238 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3239 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3240 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3241 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3243 2006-10-24 Richard Guenther <rguenther@suse.de>
3246 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3247 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3248 for deciding optimizations in consistency with fold-const.c
3249 (fold_builtin_unordered_cmp): Likewise.
3251 2006-10-24 Richard Guenther <rguenther@suse.de>
3253 * builtins.c (fold_builtin_floor): Fold floor (x) where
3254 x is nonnegative to trunc (x).
3255 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3256 nonnegative to FIX_TRUNC_EXPR.
3258 2006-10-24 Richard Guenther <rguenther@suse.de>
3260 PR tree-optimization/29567
3261 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3262 for TRUTH_NOT_EXPR. Clarify comments.
3264 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3267 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3268 at compile-time using MPFR. Change parameter VALUE to FUNC,
3270 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3271 for overflow and underflow at all times and avoid folding in
3274 2006-10-24 Ben Elliston <bje@au.ibm.com>
3276 * reload1.c: Formatting fixes.
3278 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3280 PR tree-optimization/14784
3281 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3282 * tree-ssa-structalias.c (get_constraint_for,
3283 intra_create_variable_infos): Set is_heapvar.
3284 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3285 non-heapvar pointer variables specially.
3287 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3290 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3291 fold_builtin_tan): Fold all constant arguments. Take a "type"
3292 argument as necessary.
3293 (do_mpfr_arg1): New.
3294 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3296 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3298 * config/xtensa/lib1funcs.asm: Use C-style comments.
3300 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3302 * tree.c (local_define_builtin): Replace calls to
3303 lang_hooks.builtin_function with add_builtin_function.
3304 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3306 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3308 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3309 common code to add_builtin_function.
3310 * langhooks.c (add_builtin_function): New function.
3311 (lhd_builtin_function): New function.
3312 * langhooks.h (struct lang_hooks): Change the signature of
3314 (add_builtin_function): New function.
3315 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3316 calls to lang_hooks.builtin_function with add_builtin_function.
3317 * c-common.c (decl_builtin_1): Replace calls to
3318 lang_hooks.builtin_function with add_builtin_function.
3319 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3320 lang_hooks.builtin_function with add_builtin_function.
3321 * config/frv/frv.c (def_builtin): Replace calls to
3322 lang_hooks.builtin_function with add_builtin_function.
3323 * config/s390/s390.c (s390_init_builtins): Replace calls to
3324 lang_hooks.builtin_function with add_builtin_function.
3325 * config/sparc/sparc.c (def_builtin): Replace calls to
3326 lang_hooks.builtin_function with add_builtin_function.
3327 * config/i386/i386.c (def_builtin): Replace calls to
3328 lang_hooks.builtin_function with add_builtin_function.
3329 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3330 lang_hooks.builtin_function with add_builtin_function.
3331 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3332 lang_hooks.builtin_function with add_builtin_function.
3333 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3334 Replace calls to lang_hooks.builtin_function with
3335 add_builtin_function.
3336 * config/iq2000/iq2000.c (def_builtin):
3337 Replace calls to lang_hooks.builtin_function with
3338 add_builtin_function.
3339 * config/ia64/ia64.c (def_builtin): Replace calls to
3340 lang_hooks.builtin_function with add_builtin_function.
3341 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3342 lang_hooks.builtin_function with add_builtin_function.
3343 (altivec_init_builtins): Replace calls to
3344 lang_hooks.builtin_function with add_builtin_function.
3345 * config/arm/arm.c (def_mbuiltin): Replace calls to
3346 lang_hooks.builtin_function with add_builtin_function.
3347 (arm_init_tls_builtins): Replace calls to
3348 lang_hooks.builtin_function with add_builtin_function.
3349 * config/mips/mips.c (mips_init_builtins): Replace calls to
3350 lang_hooks.builtin_function with add_builtin_function.
3351 * config/bfin/bfin.c (def_builtin): Replace calls to
3352 lang_hooks.builtin_function with add_builtin_function.
3353 * langhooks-def.h (lhd_builtin_function): New function.
3354 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3356 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3358 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3359 BUILT_IN_STRNCAT_CHK.
3361 2006-10-23 Jan Hubicka <jh@suse.cz>
3363 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3364 don't do conversion from memmove to memcpy here.
3365 (expand_builtin_bcopy, expand_builtin): Update call of
3366 expand_builtin_memmove.
3367 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3369 2006-10-23 Paul Brook <paul@codesourcery.com>
3371 * stor-layout.c (start_record_layout): maximum_field_alignment
3372 overrides STRUCTURE_SIZE_BOUNDARY.
3374 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3376 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3377 nonlocal function symbols if flag_pic.
3379 2006-10-23 Richard Guenther <rguenther@suse.de>
3383 * builtins.c (fold_binary): Remove checks for flag_wrapv
3384 and flag_trapv where negate_expr_p covers these cases.
3386 2006-10-23 Richard Guenther <rguenther@suse.de>
3389 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3390 of two on the absolute value.
3391 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3392 and negating -C does not overflow.
3394 2006-10-23 Richard Guenther <rguenther@suse.de>
3397 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3398 only if not flag_rounding_math.
3400 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3401 Kaz Kojima <kkojima@gcc.gnu.org>
3404 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3405 SImode memory reference for the source of a movua.
3406 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3407 (movua): Use an unspec instead of sign_extract. Expect the source
3408 to have mode BLKmode.
3409 (extv, insv): Use a BLKmode rather than SImode memory reference
3410 for the source of a movua.
3412 2006-10-22 Jeff Law <law@redhat.com>
3413 Richard Guenther <rguenther@suse.de>
3415 PR tree-optimization/15911
3416 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3417 (register_edge_assert_for_1): Likewise.
3418 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3419 (find_conditional_asserts): Adjust for new function signature.
3420 (find_assert_locations): Likewise.
3422 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3424 * config/i386/tmmintrin.h: Remove the duplicated content.
3426 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3428 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3429 (x86_64-*-*): Likewise.
3431 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3432 (override_options): Check SSSE3.
3433 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3434 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3435 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3436 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3437 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3438 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3439 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3440 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3441 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3442 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3443 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3444 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3445 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3446 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3447 IX86_BUILTIN_PABSD128.
3448 (bdesc_2arg): Add SSSE3.
3449 (bdesc_1arg): Likewise.
3450 (ix86_init_mmx_sse_builtins): Support SSSE3.
3451 (ix86_expand_builtin): Likewise.
3452 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3454 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3455 (UNSPEC_PSIGN): Likewise.
3456 (UNSPEC_PALIGNR): Likewise.
3457 Include mmx.md before sse.md.
3459 * config/i386/i386.opt: Add -mssse3.
3461 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3462 (ssse3_phaddwv4hi3): Likewise.
3463 (ssse3_phadddv4si3): Likewise.
3464 (ssse3_phadddv2si3): Likewise.
3465 (ssse3_phaddswv8hi3): Likewise.
3466 (ssse3_phaddswv4hi3): Likewise.
3467 (ssse3_phsubwv8hi3): Likewise.
3468 (ssse3_phsubwv4hi3): Likewise.
3469 (ssse3_phsubdv4si3): Likewise.
3470 (ssse3_phsubdv2si3): Likewise.
3471 (ssse3_phsubswv8hi3): Likewise.
3472 (ssse3_phsubswv4hi3): Likewise.
3473 (ssse3_pmaddubswv8hi3): Likewise.
3474 (ssse3_pmaddubswv4hi3): Likewise.
3475 (ssse3_pmulhrswv8hi3): Likewise.
3476 (ssse3_pmulhrswv4hi3): Likewise.
3477 (ssse3_pshufbv16qi3): Likewise.
3478 (ssse3_pshufbv8qi3): Likewise.
3479 (ssse3_psign<mode>3): Likewise.
3480 (ssse3_psign<mode>3): Likewise.
3481 (ssse3_palignrti): Likewise.
3482 (ssse3_palignrdi): Likewise.
3483 (abs<mode>2): Likewise.
3484 (abs<mode>2): Likewise.
3486 * config/i386/tmmintrin.h: New file.
3488 * doc/extend.texi: Document SSSE3 built-in functions.
3490 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3492 2006-10-22 Ira Rosen <irar@il.ibm.com>
3494 * tree-vect-transform.c (vectorizable_load): Use the type of the
3495 return value of the mask_for_load builtin to create realign_load
3498 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3500 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3503 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3505 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3506 (UNSPEC_LDDQU): This.
3507 * config/i386/sse.md (sse3_lddqu): Updated.
3509 2006-10-21 Richard Guenther <rguenther@suse.de>
3511 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3512 (expand_builtin): Use it to expand lrint instead of
3513 expand_builtin_mathfn.
3515 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3518 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3519 flag_unsafe_math_optimizations is set.
3521 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3524 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3525 patterns to use memory input operand in x87->mem->XMM
3526 reload sequences. Skip transformation for TARGET_K8.
3528 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3530 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3531 force operand1 to register if both operands are memory operands.
3532 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3533 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3534 if both operands are memory operands.
3535 (truncdfsf2): Do not force operand1 to register if both operands
3536 are memory operands.
3538 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3540 * Makefile.in (LIBS): Add $(GMPLIBS).
3541 * doc/install.texi: Update GMP and MPFR requirements.
3542 * doc/sourcebuild.texi (need_gmp): Delete.
3544 2006-10-21 Richard Guenther <rguenther@suse.de>
3546 PR tree-optimization/3511
3547 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3548 got new invariant arguments during PHI translation.
3550 2006-10-21 Richard Guenther <rguenther@suse.de>
3553 * fold-const.c (fold_comparison): Fold signed comparisons
3554 of the form X +- C1 CMP Y +- C2.
3556 2006-10-21 Richard Guenther <rguenther@suse.de>
3559 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3560 if flag_unsafe_math_optimizations is specified. We have
3561 flag_finite_math_only for that.
3562 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3563 or flag_unsafe_math_optimizations.
3565 2006-10-21 Richard Guenther <rguenther@suse.de>
3567 * builtins.c (fold_builtin_classify): Fix typo.
3569 2006-10-21 Richard Guenther <rguenther@suse.de>
3572 * simplify-rtx.c (simplify_const_relational_operation):
3573 Do not constant-fold ORDERED and UNORDERED for
3574 flag_unsafe_math_optimizations but only we do not need to
3575 honor NaNs for the given mode.
3577 2006-10-21 Richard Guenther <rguenther@suse.de>
3580 * config/i386/i386.c (classify_argument): Remove redundant
3581 walking of the BINFOs.
3582 (contains_128bit_aligned_vector_p): Likewise.
3584 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3586 * BASE-VER: Set to 4.3.0.
3588 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3590 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3591 (tree_decl_with_vis): Remove artificial_pta_var flag.
3592 * tree-flow.h (referenced_var_check_and_insert): Expose.
3593 (nonlocal_all): New prototype.
3594 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3595 (nonlocal_all): Make global.
3596 (nonlocal_lookup): Remove.
3597 (nonlocal_insert): Ditto.
3598 (create_nonlocal_var): Do not call nonlocal_insert.
3599 (get_nonlocal_id_for_type): Remove.
3600 (find_global_initializers): Mark new vars we find for renaming.
3601 (intra_create_variable_infos): Only create one nonlocal.
3602 (expand_nonlocal_solutions): Remove.
3603 (compute_points_to_sets): Don't call it.
3604 (ipa_pta_execute): Ditto.
3605 (init_alias_heapvars): Don't create nonlocal_for_type.
3606 (delete_alias_heapvars): Don't remove it.
3607 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3610 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3612 * doc/install.texi (Downloading GCC): Clarify mention of
3613 Fortran in the "full distribution" description.
3615 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3617 Fix PR tree-optimization/28778
3618 Fix PR tree-optimization/29156
3619 Fix PR tree-optimization/29415
3620 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3621 (tree_decl_with_vis): Add artificial_pta_var flag.
3622 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3623 pushed into callers.
3624 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3625 (nonlocal_all): Ditto.
3626 (struct variable_info): Add directly_dereferenced member.
3627 (var_escaped_vars): New variable.
3628 (escaped_vars_tree): Ditto.
3629 (escaped_vars_id): Ditto.
3630 (nonlocal_vars_id): Ditto.
3631 (new_var_info): Set directly_dereferenced.
3632 (graph_size): New variable
3633 (build_constraint_graph): Use graph_size.
3634 (solve_graph): Don't process constraints that cannot change the
3635 solution, don't try to propagate an empty solution to our
3637 (process_constraint): Set directly_dereferenced.
3638 (could_have_pointers): New function.
3639 (get_constraint_for_component_ref): Don't process STRING_CST.
3640 (nonlocal_lookup): New function.
3641 (nonlocal_insert): Ditto.
3642 (create_nonlocal_var): Ditto.
3643 (get_nonlocal_id_for_type): Ditto.
3644 (get_constraint_for): Allow results vector to be empty in the case
3645 of string constants.
3646 Handle results of calls properly.
3647 (update_alias_info): Update alias info stats on number and type of
3649 (find_func_aliases): Use could_have_pointers.
3650 (make_constraint_from_escaped): Renamed from
3651 make_constraint_to_anything, and changed to make constraints from
3653 (make_constraint_to_escaped): New function.
3654 (find_global_initializers): Ditto.
3655 (create_variable_info_for): Make constraint from escaped to any
3656 global variable, and from any global variable to the set of
3658 (intra_create_variable_infos): Deal with escaped instead of
3659 pointing to anything.
3660 (set_uids_in_ptset): Do type pruning on directly dereferenced
3662 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3663 (init_base_vars): Fix comment, and initialize escaped_vars.
3664 (need_to_solve): Removed.
3665 (find_escape_constraints): New function.
3666 (expand_nonlocal_solutions): Ditto.
3667 (compute_points_to_sets): Call find_escape_constraints and
3668 expand_nonlocal_solutions.
3669 (delete_points_to_sets): Don't fall off the end of the graph.
3670 (init_alias_heapvars): Initialize nonlocal_for_type and
3672 (delete_alias_heapvars): Free nonlocal_for_type and null out
3675 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3677 * fold-const.c (add_double): Rename to add_double_with_sign.
3678 Add 'unsigned_p' parameter and take it into account for the overflow.
3679 (mul_double): Rename to mul_double_with_sign.
3680 Add 'unsigned_p' parameter and take it into account for the overflow.
3681 (fold_div_compare): Call add_double_with_sign instead of add_double
3682 and mul_double_with_sign instead of mul_double, passing them the
3683 unsignedness of the type.
3684 * tree.h (add_double): Macroize.
3685 (add_double_with_sign): New prototype.
3686 (mul_double): Macroize.
3687 (mul_double_with_sign): New prototype.
3689 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3691 * config/score/crti.asm: New file.
3692 * config/score/crtn.asm: New file.
3693 * config/score/elf.h: New file.
3694 * config/score/mac.md: New file.
3695 * config/score/misc.md: New file.
3696 * config/score/mul-div.S: New file.
3697 * config/score/predicates.md: New file.
3698 * config/score/score7.md: New file.
3699 * config/score/score.c: New file.
3700 * config/score/score-conv.h: New file.
3701 * config/score/score.h: New file.
3702 * config/score/score.md: New file.
3703 * config/score/score-mdaux.c: New file.
3704 * config/score/score-mdaux.h: New file.
3705 * config/score/score-modes.def: New file.
3706 * config/score/score.opt: New file.
3707 * config/score/score-protos.h: New file.
3708 * config/score/score-version.h: New file.
3709 * config/score/t-score-elf: New file.
3710 * config.gcc: Add score*-*-* configurations(Update before).
3711 * doc/invoke.texi (Score Options): New section.
3712 * doc/md.texi (Score family): New section to document constraints.
3714 2006-10-19 Nick Clifton <nickc@redhat.com>
3716 * config/arm/arm.c: Fix spelling typo.
3718 2006-10-18 Tom Tromey <tromey@redhat.com>
3720 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3722 2006-10-18 Jan Hubicka <jh@suse.cz>
3725 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3728 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3730 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3731 TSI_SAME_STMT, since that's the desired entity.
3733 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3735 * config/s390/contraints.md: New file.
3736 * config/s390/s390-protos.h (s390_mem_constraint,
3737 s390_O_constraint_str, s390_N_constraint_str,
3738 s390_float_const_zero_p): Function prototypes added.
3739 * config/s390/s390.c (s390_extra_constraint_str,
3740 s390_const_double_ok_for_constraint_p,
3741 s390_const_ok_for_constraint_p): Functions removed.
3742 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3743 s390_float_const_zero_p): New functions.
3744 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3745 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3746 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3747 Macro definitions removed.
3748 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3749 s390_extra_constraint_str): Functions removed.
3751 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3752 Richard Sandiford <richard@codesourcery.com>
3755 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3756 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3758 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3760 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3761 (DWARF2_FRAME_REG_OUT): Likewise.
3762 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3763 (DWARF2_FRAME_REG_OUT): Likewise.
3765 2006-10-17 Paul Brook <paul@codesourcery.com>
3767 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3769 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3771 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3772 Standardize on "GNU Fortran" as the official name of the Fortran
3775 2006-10-16 Mike Stump <mrs@apple.com>
3777 * doc/invoke.texi (Darwin Options): Document -mkernel.
3778 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3780 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3781 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3782 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3783 (OS_MISSING_ALTIVEC): Add.
3784 * config/i386/i386.c (override_options): Add
3785 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3786 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3787 -mkernel, -static or -mdynamic-no-pic is given.
3788 (C_COMMON_OVERRIDE_OPTIONS): Add.
3789 * config/darwin.opt (fapple-kext): Add.
3791 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3792 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3794 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3795 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3796 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3797 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3798 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3799 (flag_mkernel): Add.
3800 (flag_apple_kext): Add.
3801 (TARGET_KEXTABI): Add.
3802 * config/darwin.c (darwin_handle_kext_attribute): Add.
3803 (DARWIN_VTABLE_P): Add.
3804 (darwin_binds_local_p): Add partial support for rebinding vtables
3806 (darwin_kextabi_p): Add.
3807 (darwin_override_options): Add.
3808 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3809 (darwin_kextabi_p): Add.
3810 (darwin_override_options): Add.
3811 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3812 __DYNAMIC__ and __STATIC__ here.
3814 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3816 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3817 Added mention of "make pdf" target, and Texinfo requirements for
3820 2006-10-16 DJ Delorie <dj@redhat.com>
3822 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3823 into the GOT in case we need a subreg of the address.
3825 2006-10-16 Richard Guenther <rguenther@suse.de>
3828 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3829 SSE builtin documentation. Document SSE2 builtins.
3831 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3833 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3834 symbol in the output file for non-shared links when -nostdlib or
3835 -nodefaultlibs isn't specified.
3837 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3838 posix thread support.
3840 2006-10-15 Jan Hubicka <jh@suse.cz>
3843 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3844 declared always_inline even when not inlining.
3846 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3847 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3848 Andrew Pinski <pinskia@gmail.com>
3851 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3853 2006-10-15 Jan Hubicka <jh@suse.cz>
3854 Richard Guenther <rguenther@suse.de>
3857 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3858 process_function_and_variable_attributes on all variables, including
3859 those discovered during cgraph construction phase.
3861 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3863 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3865 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3867 * config/i386/athlon.md (athlon_fist): Add fisttp.
3869 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3870 Ian Lance Taylor <ian@airs.com>
3873 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3874 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3877 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3879 * config/score/score.c, config/score/score.h: Fix comment
3882 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3885 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3888 2006-10-13 Eric Christopher <echristo@apple.com>
3890 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3892 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3895 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3896 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3897 alignment supported by 32-bit ELF.
3899 2006-10-13 Eric Christopher <echristo@apple.com>
3901 * config/darwin.c (darwin_emit_unwind_label): Strip
3902 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3904 2006-10-13 Richard Guenther <rguenther@suse.de>
3906 PR tree-optimization/29446
3907 * tree-vrp.c (fix_equivalence_set): Remove.
3908 (extract_range_from_assert): Do not call fix_equivalence_set.
3909 (debug_value_range): Print a newline.
3910 (compare_name_with_value): For equivalence sets with
3911 inconsistent value ranges conservatively bail out.
3912 (compare_names): Likewise.
3914 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3916 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3917 and MPFR for gfortran.
3919 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3921 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3922 alignment supported by 32-bit ELF.
3924 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3928 * c-typeck.c (digest_init): Always allow initializing vectors
3929 that have static storage duration with compound literals.
3930 * tree.c (build_type_attribute_qual_variant): New, based on
3931 build_type_attribute_variant.
3932 (build_type_attribute_variant): Rewrite using the former.
3933 (make_vector_type): Use build_type_attribute_qual_variant to build
3934 type variants. Use type_hash_canon on the others.
3936 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3937 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3939 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3941 2006-10-12 Jan Hubicka <jh@suse.cz>
3944 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3945 current_function_decl is set but current_function_scope is not.
3947 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3949 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3950 emit_insn to emit eh_return_internal instruction.
3951 (eh_return_internal): Explicitly set pc.
3953 2006-10-11 Richard Guenther <rguenther@suse.de>
3955 PR tree-optimization/28230
3956 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3957 to the correct place.
3959 2006-10-11 Richard Guenther <rguenther@suse.de>
3962 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3965 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3967 * configure.ac: Added pdf to "Make-hooks"
3968 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3969 targets and *.pdf file patterns in cleanup targets.
3970 * configure: Regenerated.
3972 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3974 * config/avr/predicates.md: New file.
3975 * config/avr/avr.md: Include it.
3976 (REG_SP): New constant.
3977 (peepholes): Use predicates.
3978 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3979 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3980 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3982 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3984 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3987 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3990 * builtins.c (var_decl_component_p): New function.
3991 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3992 single entry optimization to variables and components thereof.
3994 2006-10-10 Richard Guenther <rguenther@suse.de>
3996 PR rtl-optimization/29323
3997 * except.c (set_nothrow_function_flags): For functions
3998 that do not bind local bail out early.
4000 2006-10-10 Ben Elliston <bje@au.ibm.com>
4002 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4005 2006-10-09 Richard Henderson <rth@redhat.com>
4007 Revert emutls patch.
4009 2006-10-09 Richard Guenther <rguenther@suse.de>
4012 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4015 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4018 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4019 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4020 * configure: Regenerate.
4021 * config.in: Regenerate.
4023 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4025 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4027 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4029 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4030 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4031 Remove stray newline.
4033 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4035 * config/mips/mips.c (mips_classify_symbol): Do not return
4036 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4037 (mips_in_small_data_p): Tweak comments.
4039 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4041 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4043 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4045 * gimplify.c, sched-int.h: Fix comment typos.
4047 * sched-int.h: Fix comment typos.
4049 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4051 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4053 * sched-ebb.c (begin_schedule_ready): Use them.
4054 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4055 add_to_speculative_block, create_check_block_twin, speculate_insn,
4056 fix_jump_move, move_block_after_check): Ditto.
4057 * sched-rgn.c (new_ready): Ditto.
4059 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4061 PR rtl-optimization/29128
4062 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4063 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4064 allow interblock movement of speculation checks.
4066 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4069 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4070 casted to integer type.
4071 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4072 if they are significantly more expensive than [reg + index] ones.
4074 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4076 PR tree-optimization/29330
4077 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4078 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4079 on newly allocated ddrs.
4080 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4081 to VEC (loop_p, heap) pointer.
4082 (compute_data_dependences_for_loop): Adjust caller.
4083 (free_dependence_relations): Free DDR_LOOP_NEST.
4085 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4086 free DEPENDENCE_RELATIONS and DATAREFS.
4089 * builtins.c (expand_builtin_sync_operation,
4090 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4091 Use convert_to_mode to handle promoted arguments.
4093 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4095 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4097 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4099 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4101 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4103 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4104 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4105 Use <modeconstraint> instead of "r" as operand 1 constraint.
4107 2006-10-06 Olivier Hainque <hainque@adacore.com>
4109 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4110 Don't recurse on the pointed-to type.
4111 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4112 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4113 types with components of variable size.
4115 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4117 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4119 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4121 PR tree-optimization/29290
4122 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4126 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4127 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4130 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4131 the number of vector elements fill the rest with zeros.
4133 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4135 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4136 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4139 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4141 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4142 unnamed pattern into subsi3. Use correct constraints/predicates.
4143 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4144 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4146 2006-10-05 Ira Rosen <irar@il.ibm.com>
4148 * doc/loop.texi: Add data references analysis description.
4150 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4152 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4154 2006-10-04 Richard Henderson <rth@redhat.com>
4155 Jakub Jelinek <jakub@redhat.com>
4157 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4158 * builtin-types.def (BT_WORD): Make unsigned.
4159 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4160 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4161 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4162 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4163 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4164 * cgraph.c (decide_is_variable_needed): Look at force_output.
4165 Recurse for emulated tls.
4166 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4167 checks redundant with decide_is_variable_needed.
4168 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4169 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4171 * expr.c (emutls_var_address): New.
4172 (expand_expr_real_1): Expand emulated tls.
4173 (expand_expr_addr_expr_1): Likewise.
4174 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4175 * output.h (emutls_finish): Declare.
4176 * toplev.c (compile_file): Call it.
4177 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4178 address before wrapping in CONST.
4179 * varasm.c (emutls_htab, emutls_object_type): New.
4180 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4181 (get_emutls_object_name, get_emutls_object_type): New.
4182 (get_emutls_init_templ_addr, emutls_decl): New.
4183 (emutls_common_1, emutls_finish): New.
4184 (assemble_variable): When emulating tls, swap decls; generate
4185 constructor for the emutls objects.
4186 (do_assemble_alias): When emulating tls, swap decl and target name.
4187 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4189 * emutls.c: New file.
4190 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4191 tls_object for real tls.
4193 2006-10-04 Zack Weinberg <zackw@panix.com>
4195 Fix bug in constraint-check generator, reported by Rask Ingemann
4197 * genpreds.c (add_constraint): Don't remove anything from the
4199 (write_tm_constrs_h): Detect whether "op" argument is used, and
4200 mark it ARG_UNUSED if it isn't.
4201 (write_insn_const_int_ok_for_constraint): Skip the part of the
4202 expression that would test whether "op" (which is not available
4203 here) is a CONST_INT.
4205 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4208 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4210 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4212 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4213 current Leopard versions.
4214 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4216 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4218 * doc/install.texi: Fix typos.
4220 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4222 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4223 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4224 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4226 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4228 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4229 arg to be struct mach_header_64* instead.
4231 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4234 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4235 side effects after the outer expression's post side effects.
4237 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4239 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4240 comments to reflect actual behavior and relationship between
4241 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4243 * doc/c-tree.texi (Working with declarations): Fix documentation
4244 of FIELD_DECL likewise.
4246 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4249 * doc/extend.texi: Add used variable attribute description.
4251 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4254 * c.opt (Woverride-init): New.
4255 * c-opts.c (c_common_post_options): Default warn_override_init to
4257 * c-typeck.c (add_pending_init, output_init_element): Warn for
4258 overriding initializers without side effects.
4259 * doc/invoke.texi (-Woverride-init): Document.
4262 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4264 PR rtl-optimization/28096
4265 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4266 assignment has already been used as a destination earlier in the block.
4268 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4270 * builtins.c (expand_builtin_setjmp): Delete.
4271 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4272 <BUILT_IN_SETJMP_SETUP>: New case.
4273 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4274 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4275 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4276 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4277 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4278 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4279 (lower_function_body): Initialize it to false. If it is set to true
4280 at the end of the processing, emit the setjmp dispatcher.
4281 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4282 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4283 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4284 on the rhs of the assignment.
4285 (lower_builtin_setjmp): New function.
4286 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4287 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4288 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4289 to detect calls that can go to non-local labels. Use specific
4290 helper to create the abnormal edges associated with them.
4291 <MODIFY_EXPR>: Likewise.
4292 (make_abnormal_goto_edges): New function extracted from...
4293 (make_goto_expr_edges): ...here. Call it for computed gotos.
4294 (simple_goto_p): Minor tweak.
4295 (tree_can_make_abnormal_goto): New predicate.
4296 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4297 (tree_purge_dead_abnormal_call_edges): New function.
4298 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4299 (tree_purge_dead_abnormal_call_edges): Likewise.
4300 (make_abnormal_goto_edges): Likewise.
4301 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4302 Purge all dead abnormal edges if the call was in the last statement.
4303 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4304 (execute_fixup_cfg): If there are non-local labels in the function,
4305 scan the basic blocks and split them at calls that can go to non-local
4306 labels or add missing abnormal call edges. Write down the CFG in the
4308 (pass_fixup_cfg): Remove TODO_dump_func flag.
4309 * unwind-sjlj.c: Poison setjmp.
4310 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4311 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4312 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4313 (DONT_USE_BUILTIN_SETJMP): Document it.
4315 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4318 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4319 to 1 when __ppc64__ is defined.
4320 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4322 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4324 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4326 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4327 * config/ia64/unwind-hpux.c: Delete.
4329 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4331 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4332 on the element before gimplifying it, instead of punting if it is of
4335 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4337 * doc/loop.texi: New file.
4338 * doc/gccint.texi: Reference loop.texi.
4339 * Makefile.in (loop.texi): Add.
4341 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4343 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4345 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4346 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4348 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4350 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4352 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4354 * doc/install.texi: Document required versions of GMP and MPFR.
4356 2006-09-27 Paul Brook <paul@codesourcery.com>
4359 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4361 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4363 * reload1.c (alter_reg): Require the alignment of the stack slot to
4364 be at least reg_max_ref_width bytes.
4365 (scan_paradoxical_subregs): Record the largest width in
4368 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4372 * tree-nested.c (struct nesting_info): Added static_chain_added.
4373 (convert_call_expr): Set static_chain_added when adding static
4374 chain. Handle OMP_PARALLEL and OMP_SECTION.
4376 2006-09-25 Matthias Klose <doko@debian.org>
4378 * doc/invoke.texi: Add missing full stop.
4380 2006-09-25 Richard Henderson <rth@redhat.com>
4382 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4383 before cgraph_function_flags_ready.
4385 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4386 Adam Nemet <anemet@caviumnetworks.com>
4388 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4389 determine_common_wider_type): New functions.
4390 (get_computation_aff): Use them to simplify arithmetic between
4391 UBASE and CBASE if they are shortened from the same type.
4393 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4396 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4397 -2147483647 - 1 instead of 0x80000000.
4399 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4401 * flags.h (HONOR_NANS): Fix typo in comment.
4403 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4405 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4407 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4411 * tree.c (merge_attributes, attribute_list_contained): If both
4412 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4414 * c-typeck.c (comptypes_internal): Don't consider aggregates
4415 in different TUs as compatible if there one set of attributes is
4416 not a subset of the other type's attributes.
4417 (composite_type): Try harder not to create a new aggregate type.
4419 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4421 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4422 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4423 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4424 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4425 than replicating condition above.
4426 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4428 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4429 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4430 the linker by default.
4432 2006-09-22 Mike Stump <mrs@apple.com>
4434 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4437 2006-09-22 Richard Guenther <rguenther@suse.de>
4440 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4441 sort of stack variables stable.
4443 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4446 * explow.c (force_reg): Set REG_POINTER flag according to
4449 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4451 PR tree-optimization/28888
4452 * tree-if-conv.c (combine_blocks): Rewritten.
4453 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4454 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4456 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4458 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4461 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4463 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4465 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4467 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4469 2006-09-21 Roger Sayle <roger@eyesopen.com>
4472 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4473 dw_fde_current_label, to be the start of the function, i.e. the same
4474 value as dw_fde_begin.
4476 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4478 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4479 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4480 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4481 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4482 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4483 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4484 (abs<mode>2, neg<mode>2): Likewise.
4485 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4486 (*mips_abs_ps): New define_insn.
4488 2006-09-20 Josh Conner <jconner@apple.com>
4491 * calls.c (expand_call): Allow reuse of structure return stack
4494 2006-09-20 Paul Brook <paul@codesourcery.com>
4496 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4499 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4501 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4502 clean up terminology.
4504 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4507 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4508 with tablejumps in them.
4510 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4513 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4514 wrap it into TARGET_EXPR.
4516 2006-09-20 Eric Christopher <echristo@apple.com>
4518 * config/i386/i386.c (x86_fisttp): Remove.
4519 * config/i386/i386.h (x86_fisttp): Ditto.
4520 (TARGET_FISTTP): Ditto.
4522 2006-09-19 Eric Christopher <echristo@apple.com>
4524 * doc/tm.texi (OBJC_JBLEN): Describe.
4525 * config/i386/darwin.h (OBJC_JBLEN): Define.
4526 * config/rs6000/darwin.h: Ditto.
4528 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4530 PR rtl-optimization/21299
4531 * reload1.c (reload): Purge invalid ASMs in the final pass.
4533 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4536 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4537 pointers as legitimate constants.
4539 2006-09-19 Paul Brook <paul@codesourcery.com>
4542 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4544 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4546 PR tree-optimization/28887
4547 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4548 component parts from the reference.
4549 (gather_memory_references_ref): Record the reference without the
4550 nonaddressable component parts.
4552 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4555 * c-opts.c (c_common_handle_option): Ignore the -std options
4556 if the input language is assembly.
4558 2006-09-17 Ira Rosen <irar@il.ibm.com>
4561 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4563 (ptr_ptr_may_alias_p): Likewise.
4564 (record_record_differ_p): New function.
4565 (base_object_differ_p): Call record_record_differ_p.
4567 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4570 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4571 away for the expr argument.
4573 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4576 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4577 before using it for dumping after vectorizing loops.
4579 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4580 Jack Howarth <howarth@bromo.med.uc.edu>
4583 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4584 skip on error_mark_node.
4585 (rs6000_darwin64_record_arg_recurse): Likewise.
4587 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4589 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4590 * doc/rtl.texi: Remove related documentation.
4592 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4594 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4597 2006-09-15 Jim Wilson <wilson@specifix.com>
4599 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4600 Handle symbol offsets same as they are handled in ia64_expand_move
4603 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4605 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4606 Add forgotten parameter to the fprintf call.
4608 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4610 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4612 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4614 * doc/contrib.texi: Add my entry.
4616 2006-09-15 Nick Clifton <nickc@redhat.com>
4618 * doc/md.texi (Processor pipeline description): Fix typo in
4619 example of how to use the absence_set directive and reword the
4620 description to make it slightly easier to read.
4622 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4624 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4625 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4626 expanding the number of iterations.
4627 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4629 * cfgrtl.c (emit_insn_at_entry): New function.
4630 * rtl.h (emit_insn_at_entry): Declare it.
4631 * integrate.c (emit_initial_value_sets): Use it.
4633 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4635 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4637 (struct loop_work and related VEC declarations): Delete.
4638 (bfin_dump_loops): Print out new member bad.
4639 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4640 (bfin_scan_loop): Don't recurse.
4641 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4642 loops. No longer need to update outer loops if the current one is
4643 found bad. Move some validitiy checks to bfin_discover_loop.
4644 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4645 but changed not to check for nesting. Also changed to use the new bad
4647 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4648 time. Use bitmap based test to discover loop nesting.
4650 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4652 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4655 2006-09-14 Richard Guenther <rguenther@suse.de>
4656 Kazu Hirata <kazu@codesourcery.com>
4658 PR middle-end/28884.
4659 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4660 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4661 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4662 with TARGET_FUNCTION_VALUE.
4664 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4667 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4669 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4671 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4674 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4677 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4680 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4682 * basic_block.h (bb_has_eh_pred): Fix comment.
4684 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4686 * flow.c (calculate_global_regs_live): Invalidate eh registers
4687 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4688 (propagate_block): Handle eh registers as if they were set at basic
4690 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4692 * global.c (global_conflicts): Make eh registers to conflict with
4693 pseudos live at basic block begin.
4694 * basic_block.h (bb_has_eh_pred): New function.
4696 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4698 PR rtl-optimization/28982
4699 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4700 index of a PRE_MODIFY or POST_MODIFY address.
4701 * reload1.c (inc_for_reload): Use find_replacement on the original
4702 base and index registers.
4704 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4706 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4707 for -Os. Update __m128 alignment requirement.
4709 2006-09-13 Jan Hubicka <jh@suse.cz>
4711 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4713 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4715 PR rtl-optimization/28243
4716 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4717 the insn to which the note was originally attached.
4719 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4720 Roger Sayle <roger@eyesopen.com>
4722 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4723 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4724 on platforms that don't use dwarf for debug info.
4726 2006-09-12 Jason Merrill <jason@redhat.com>
4729 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4730 hard_frame_pointer_rtx after using it to update the frame pointer.
4732 2006-09-12 Roger Sayle <roger@eyesopen.com>
4734 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4735 (TARGET_ASM_CLOSE_PAREN): Likewise.
4736 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4737 (TARGET_ASM_CLOSE_PAREN): Likewise.
4739 2006-09-12 Roger Sayle <roger@eyesopen.com>
4742 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4743 frame information for frames larger than 512 Kbytes on Tru64 when
4744 using the native assembler.
4746 2006-09-12 Roger Sayle <roger@eyesopen.com>
4750 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4751 and symbols. Instead use the implementation from cse.c's hash_rtx.
4753 2006-09-12 Jan Hubicka <jh@suse.cz>
4755 PR rtl-optimization/28071
4756 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4757 (vect_transform_loop): Likewise.
4758 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4759 (new_loop_vec_info): Likewise.
4760 (destroy_loop_vec_info): Likewise.
4761 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4762 (create_stmt_ann): Likewise.
4763 (create_tree_ann): Rename to ...
4764 (create_tree_common_ann): ... this one; allocate only the common part
4766 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4767 (get_value_handle): Likewise.
4768 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4769 get_tree_common_ann.
4770 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4771 (vinfo_for_stmt): Use stmt annotations.
4772 * tree-flow.h (tree_ann_common_t): New type.
4773 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4774 (tree_ann, get_tree_ann, create_tree_ann): New.
4775 * tree-flow-inline.h (get_function_ann): Do more type checking.
4776 (stmt_ann): Likewise.
4777 (tree_ann): Rename to ...
4778 (tree_common_ann): ... this one; return ony common_ann
4779 (get_tree_ann): Rename to ...
4780 (tree_common_ann): This one; return only common_ann.
4781 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4784 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4786 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4787 with_cpu by default.
4789 * dwarf2out.c (dwarf_file_data): New.
4790 (enum dw_val_class): Add dw_val_class_file.
4791 (struct dw_val_struct): Add val_file.
4792 (file_table): Change to a hash table.
4793 (file_table_emitted): Delete.
4794 (file_table_last_lookup_index): Delete.
4795 (emitcount): Delete.
4796 (last_emitted_file): New.
4797 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4798 (init_file_table): Delete.
4799 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4800 (AT_addr): Add comment.
4804 (print_die): Handle dw_val_class_file.
4805 (print_dwarf_line_table): Update for new file table structure.
4806 (attr_checksum): Do checksum a filename.
4807 (same_dw_val_p, same_attr_p): Do compare a filename.
4808 (size_of_die): Handle dw_val_class_file.
4809 (value_format): Likewise.
4810 (output_die): Likewise. Also, call maybe_emit_file here.
4811 (struct file_info): Constify filenames. Make file_idx a pointer
4812 to a struct dwarf_file_data.
4813 (struct dir_info): Constify directory names. Remove 'used' field.
4814 (struct file_name_acquire_data): New.
4815 (file_name_acquire): New.
4816 (output_file_names): Modify to handle new file data structures.
4817 (add_src_coords_attributes): Use add_AT_file.
4818 (add_call_src_coords_attributes): Likewise.
4819 (dwarf2out_imported_module_or_decl): Likewise.
4820 (gen_subprogram_die): Modify for new file data structures.
4821 (gen_variable_die): Likewise.
4822 (file_table_eq): New.
4823 (file_table_hash): New.
4824 (file_table_last_lookup): New.
4825 (lookup_filename): Rewrite to handle new file data structures.
4826 (maybe_emit_file): Rewrite to handle new file data structures.
4827 (dwarf2out_source_line): Always call lookup_filename and
4829 (dwarf2out_init): Create file_table here.
4830 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4831 (file_table_relative_p): New.
4832 (dwarf2out_finish): Change detection of relative filenames
4833 to work with new file data structures. Move output_line_info call
4834 after debug_info output.
4836 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4841 * config/i386/i386.c (override_options): Always default to 16
4842 byte stack boundary.
4844 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4847 * var-tracking.c (dump_dataflow_set): Start dumping at
4849 (clobber_variable_part): Kill only the variable part in
4850 registers holding it, leaving other variables alone.
4852 2006-09-11 Josh Triplett <josh@freedesktop.org>
4854 * doc/extend.texi (Other Builtins): Actually use the macro
4855 argument in the documentation example for
4856 __builtin_types_compatible_p.
4858 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4860 PR rtl-optimization/28726
4861 * sched-deps.c (sched_analyze_reg): New function extracted from...
4862 (sched_analyze_1): ...here. Call it to analyze references to
4863 registers. Treat again writes to a stack register as writing to the
4865 (sched_analyze_2): ...and here. Call it to analyze references to
4866 registers. Treat again reads of a stack register as reading the
4869 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4870 David Edelsohn <edelsohn@gnu.org>
4873 * config/rs6000/spe.md (frob_df_di): Remove %H.
4874 (frob_di_df): Remove %H. Change evmergelo to mr.
4875 (frob_di_df_2): Remove %H. Change evldd to two loads.
4877 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4879 * doc/cpp.texi: Fix names of charset options.
4881 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4884 * config/i386/i386.c (override_options): Use 128-bit
4885 stack boundary always for 64bits.
4887 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4889 PR rtl-optimization/28636
4890 * combine.c (force_to_mode): Test for side-effects before
4891 substituting by zero.
4892 (simplify_shift_const): Likewise for zero or other constants.
4894 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4897 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4900 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4903 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4904 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4905 returned by mode_for_size, rather than the mode of src itself,
4906 to choose between 32-bit and 64-bit patterns.
4907 (mips_mem_fits_mode_p): New function.
4908 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4909 that the size of the source matches the size of the destination.
4910 (mov_<store>l, mov_<store>r): Likewise.
4912 2006-09-10 Eric Christopher <echristo@apple.com>
4914 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4917 2006-09-09 Eric Christopher <echristo@apple.com>
4920 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4923 2006-09-09 Roger Sayle <roger@eyesopen.com>
4924 Nicolas Setton <setton@adacore.com>
4926 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4928 2006-09-10 Andreas Schwab <schwab@suse.de>
4930 * config/m68k/m68k.md (bungt_rev): New pattern.
4932 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4933 Dale Johannesen <dalej@apple.com>
4936 * regclass.c (struct reg_pref): Update documentation.
4937 (regclass): Set prefclass to NO_REGS if memory is the best option.
4938 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4940 2006-09-08 Eric Christopher <echristo@apple.com>
4942 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4943 * config/t-slibgcc-darwin: Support x86_64 multilib.
4944 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4945 Return 1 for x86_64-darwin.
4946 * config/i386/t-darwin: Add m64 multilib.
4947 (LIB2_SIDITI_CONV_FUNCS): Use.
4948 (LIB2FUNCS_EXTRA): Ditto.
4949 * config/i386/darwin.h: Support x86_64.
4950 * config/i386/i386.c (override_options): Turn on flag_pic
4951 for x86_64-darwin. Disable flag_omit_pointer.
4952 (get_pc_thunk_name): Assert !TARGET_64BIT.
4953 (legitimate_address_p): Disable machopic addressing for
4955 (legitimize_pic_address): Ditto.
4956 (ix86_expand_move): Ditto.
4957 (ix86_expand_call): Ditto.
4958 (machopic_output_stub): Ditto.
4959 * config/darwin.c (machopic_select_section): Support literal16.
4960 (machopic_select_rtx_section): Ditto.
4961 * config/darwin-sections.def: Ditto.
4962 * config/darwin-64.c: New.
4964 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4967 * c-tree.h (struct c_arg_info): Add pending_sizes.
4968 * c-parser.c (c_parser_parms_declarator,
4969 c_parser_parms_list_declarator): Initialize pending_sizes.
4970 * c-decl.c (get_parm_info): Initialize pending_sizes.
4971 (get_parm_info): Set pending_sizes.
4972 (grokdeclarator): Call put_pending_sizes for parameters for
4973 function definition only.
4975 2006-09-07 Jason Merrill <jason@redhat.com>
4978 * varasm.c (output_constant): Only strip actual no-op conversions.
4981 * config/i386/i386.c (override_options): Use 128-bit
4982 stack boundary if -msse.
4984 2006-09-07 Eric Christopher <echristo@apple.com>
4986 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4988 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4991 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4993 * dwarf2out.c: Remove strange characters from comment above
4994 dwarf2out_frame_debug_expr.
4996 2006-09-07 Eric Christopher <echristo@apple.com>
4998 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4999 * config/darwin.h: ... to here.
5001 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5003 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5005 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5006 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5008 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5009 TARGET_PARTIAL_FLAG_REG_STALL.
5010 (*ashldi3_cconly_rex64): Likewise.
5011 (*ashlsi3_cmp): Likewise.
5012 (*ashlsi3_cconly): Likewise.
5013 (*ashlsi3_cmp_zext): Likewise.
5014 (*ashlhi3_cmp): Likewise.
5015 (*ashlhi3_cconly): Likewise.
5016 (*ashlqi3_cmp): Likewise.
5017 (*ashlqi3_cconly): Likewise.
5018 (*ashrdi3_cmp_rex64): Likewise.
5019 (*ashrdi3_cconly_rex64): Likewise.
5020 (*ashrsi3_cmp): Likewise.
5021 (*ashrsi3_cconly): Likewise.
5022 (*ashrsi3_cmp_zext): Likewise.
5023 (*ashrhi3_cmp): Likewise.
5024 (*ashrhi3_cconly): Likewise.
5025 (*ashrqi3_cmp): Likewise.
5026 (*ashrqi3_cconly): Likewise.
5027 (*lshrdi3_cmp_rex64): Likewise.
5028 (*lshrdi3_cconly_rex64): Likewise.
5029 (*lshrsi3_cmp): Likewise.
5030 (*lshrsi3_cconly): Likewise.
5031 (*lshrsi3_cmp_zext): Likewise.
5032 (*lshrhi3_cmp): Likewise.
5033 (*lshrhi3_cconly): Likewise.
5034 (*lshrqi2_cmp): Likewise.
5035 (*lshrqi2_cconly): Likewise.
5037 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5040 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5041 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5042 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5043 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5044 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5045 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5046 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5047 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5048 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5049 implement only CC setting effects of shift instructions.
5051 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5053 * doc/contrib.texi: Add myself.
5055 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5058 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5059 was set by the user.
5061 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5064 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5065 (divsi_inv_m1): Use them.
5066 (UNSPEC_DIV_INV_TABLE): New constant.
5068 2006-09-06 James E Wilson <wilson@specifix.com>
5071 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5072 then call count_or_remove_death_notes.
5074 2006-09-06 Jason Merrill <jason@redhat.com>
5077 * tree-inline.c (copy_result_decl_to_var): New fn.
5078 (declare_return_variable): Use it. Call declare_inline_vars here.
5079 (expand_call_inline): Not here.
5081 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5083 * doc/contrib.texi: Update my entry.
5085 2006-09-06 Nick Clifton <nickc@redhat.com>
5087 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5089 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5092 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5093 (canonicalize_induction_variables): Likewise.
5094 (tree_unroll_loops_completely): Likewise.
5095 (tree_ssa_prefetch_arrays): Likewise.
5096 (remove_empty_loops): Likewise.
5097 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5098 TODO_cleanup_cfg instead of directly calling
5099 cleanup_tree_cfg_loop.
5100 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5102 (tree_unroll_loops_completely): Likewise.
5103 (remove_empty_loops): Likewise.
5104 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5105 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5106 of tree_ssa_unswitch_loops.
5107 (tree_ssa_loop_ivcanon): Use the return value of
5108 canonicalize_induction_variables.
5109 (tree_ssa_empty_loop): Use the return value of
5111 (tree_complete_unroll): Use the return value of
5112 tree_unroll_loops_completely.
5113 (tree_ssa_loop_prefetch): Use the return value of
5114 tree_ssa_prefetch_arrays.
5115 * passes.c (execute_todo): Before Cleanup CFG, set
5116 updating_used_alone and after cleanup CFG, call
5117 recalculate_used_alone.
5119 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5122 * tree-vect-transform.c (vectorizable_condition): Move the check
5123 for the type after the check for simple condition.
5125 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5126 Kaz Kojima <kkojima@gcc.gnu.org>
5129 * mode-switching.c (optimize_mode_switching): Make the destination
5130 block of an abnormal edge have no anticipatable mode. Don't
5131 insert mode switching code at the end of the source block of
5134 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5136 PR rtl-optimization/26847
5137 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5138 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5139 (simplify_plus_minus): Count n_constants while filling ops. Replace
5140 qsort with insertion sort. Before going through the array to simplify
5141 pairs, sort it. Delay early exit until after the first sort, exiting
5142 only if no swaps occurred. Simplify pairs in reversed order, without
5143 special-casing the first iteration. Pack ops after simplifying pairs.
5145 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5147 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5148 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5149 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5150 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5152 2006-09-05 Richard Guenther <rguenther@suse.de>
5154 PR tree-optimization/28900
5155 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5156 compound conditional before creating COND_EXPR condition.
5158 2006-09-05 Richard Guenther <rguenther@suse.de>
5160 PR tree-optimization/28905
5161 * tree-vrp.c (fix_equivalence_set): Manually implement
5162 !value_ranges_intersect_p to also handle symbolic ranges.
5164 2006-09-05 Richard Guenther <rguenther@suse.de>
5167 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5170 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5172 PR rtl-optimization/27616
5173 * cse.c (table_size): New static variable.
5174 (new_basic_block): Initialize it to 0.
5175 (remove_from_table): Decrement it.
5176 (insert): Increment it.
5177 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5178 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5179 fold_rtx_mem_1 if under the cap.
5180 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5181 the lookup of the equivalent expression and test for equality of the
5182 first operand of the equivalent expression before in turn looking up
5183 an equivalent constant for the second operand.
5185 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5188 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5189 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5190 pointer, instead of assuming it is possible to derive the
5191 correct args size from a call insn.
5193 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5196 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5197 (fold_builtin_mempcpy): Rename to...
5198 (fold_builtin_memory_op): ... this. Optimize one element copy
5200 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5202 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5203 (expand_builtin_memcpy, expand_builtin_mempcpy,
5204 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5205 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5206 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5207 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5209 2006-09-01 DJ Delorie <dj@redhat.com>
5211 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5212 (stzx_16): Likewise.
5213 ("stzx_24_<mode>"): Likewise.
5214 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5215 ("cmp<mode>_op"): New.
5216 (cmp<mode>): Change to expander; just save operands.
5218 (b<code>): Change to expander, emit compare here.
5219 (s<code>_op): Change to use split and expander.
5220 (s<code>_24_op): Likewise.
5221 (s<code>_<mode>): New.
5222 (s<code>_<mode>_24): New.
5223 (movqicc_<code>_<mode): New.
5224 (movhicc_<code>_<mode>): New.
5227 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5228 (m32c_pend_compare): New.
5229 (m32c_unpend_compare): New.
5230 (m32c_expand_scc): New.
5231 (m32c_expand_movcc): Emit the compare also.
5232 * config/m32c/predicates.md (mra_nopp_operand): New.
5234 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5235 Richard Guenther <rguenther@suse.de>
5236 Adam Nemet <anemet@caviumnetworks.com>
5239 * builtins.c (get_pointer_alignment): Handle more forms
5240 of base addresses that can be used to derive more precise
5241 information about alignment.
5243 2006-09-01 Jason Merrill <jason@redhat.com>
5246 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5249 * gimplify.c (voidify_wrapper_expr): Handle null type.
5251 2006-09-01 Josh Conner <jconner@apple.com>
5254 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5255 (execute_return_slot_opt): Use it.
5257 2006-08-31 Josh Conner <jconner@apple.com>
5260 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5261 returning aggregates.
5263 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5265 PR tree-optimization/28839
5266 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5267 blocks in that phi arguments appear.
5269 2006-08-31 Roger Sayle <roger@eyesopen.com>
5272 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5273 NULL, otherwise use an advance_loc4 to adjust relative to the
5275 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5276 (dwarf2out_switch_text_section): Reset the current label to avoid
5277 using advance_loc4 over section boundaries.
5279 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5282 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5283 r12 + SYMBOLIC_CONST.
5285 2006-08-30 Richard Guenther <rguenther@suse.de>
5287 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5289 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5291 PR rtl-optimization/27735
5292 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5293 Add new argument to keep track of whether an irreducible region
5294 was affected. All callers changed.
5295 (fix_irreducible_loops): Removed.
5296 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5297 flags were invalidated.
5299 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5301 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5302 instead of SF operands.
5303 (*fop_df_comm_sse): Likewise.
5304 (*fop_df_comm_i387): Likewise.
5305 (*fop_df_1_mixed): Likewise.
5306 (*fop_df_1_sse): Likewise.
5308 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5309 J"orn Rennecke <joern.rennecke@st.com>
5311 PR tree-optimization/17506
5312 * tree-ssa.c (warn_uninit): If warning about a location outside of
5313 the current function, note where the variable was declared.
5315 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5317 PR tree-optimization/28411
5318 * double-int.c (double_int_div): Use double_int_divmod.
5319 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5320 double_int_mod, double_int_smod, double_int_umod): New functions.
5321 * double-int.h (double_int_divmod, double_int_sdivmod,
5322 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5324 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5326 (get_computation_aff, get_computation_cost_at): Handle double_int
5327 return type of constant_multiple_of.
5329 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5332 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5333 an implicit conversion.
5335 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5337 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5339 2006-08-27 Roger Sayle <roger@eyesopen.com>
5341 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5344 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5346 * config/i386/crtfastmath.c: Fix a comment typo.
5348 2006-08-26 Roger Sayle <roger@eyesopen.com>
5350 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5351 temporary visit flags on CASE_LABEL_EXPRs.
5352 * c-common.c (match_case_to_enum): Add function comment. Avoid
5353 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5354 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5355 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5356 a constant, only warn if that constant value isn't handled.
5358 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5361 * input.h (restore_input_file_stack): Declare.
5362 (INPUT_FILE_STACK_BITS): Define.
5363 * toplev.c (fs_p, input_file_stack_history,
5364 input_file_stack_restored, restore_input_file_stack): New.
5365 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5366 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5367 (pop_srcloc): Don't free old state of stack.
5369 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5372 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5373 (PowerPC Type Attributes): New.
5375 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5377 * config/xtensa/xtensa.c (function_arg_boundary): New.
5378 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5380 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5381 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5383 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5386 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5389 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5391 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5392 (verify_local_live_at_start): Likewise.
5394 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5397 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5398 omp_add_variable): Treat sizes as variable whenever not
5401 2006-08-26 Richard Guenther <rguenther@suse.de>
5404 * fold-const.c (fold_binary): Fold temporary to correct
5405 type before constructing new comparison.
5407 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5410 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5411 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5413 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5416 * c-decl.c (start_function): Don't try to process prototype
5417 information from old declaration that isn't a function.
5419 2006-08-25 Jan Hubicka <jh@suse.cz>
5422 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5424 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5427 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5430 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5432 PR tree-optimization/16876
5433 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5434 exit if PARM doesn't match VALUE.
5436 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5438 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5439 literal_prefix directive.
5440 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5441 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5442 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5444 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5447 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5448 predicate to general_operand. Add 0->y and I->r alternatives.
5450 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5452 * doc/tm.texi: Fix a typo.
5453 * predict.c: Fix comment typos.
5455 2006-08-25 Nick Clifton <nickc@redhat.com>
5457 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5458 assertions of "cpu" and "machine".
5460 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5463 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5464 the access through a base which has an alias set of 0 cannot
5467 2006-08-24 Bill Wendling <wendling@apple.com>
5469 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5471 2006-08-24 Jan Hubicka <jh@suse.cz>
5473 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5475 2006-08-24 Jan Hubicka <jh@suse.cz>
5478 * cgraph.c: Fix comments.
5479 (cgraph_varpool_mark_needed_node): Mark only variables not already
5481 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5482 (cgraph_varpool_assembled_nodes_queue): New static variable.
5483 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5484 (cgraph_varpool_output_debug_info): New function.
5485 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5486 * Makefile.in: Add gt-cgraphunit.h
5488 2006-08-24 Jan Hubicka <jh@suse.cz>
5490 * predict.c (probability_reliable_p): New predicate.
5491 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5492 (predict_loops): Do not predict loop exit with less than 2%
5494 * basic-block.h (edge_probability_reliable_p,
5495 br_prob_note_reliable_p): Declare.
5496 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5497 prediction when static predictor is not reliable.
5498 * rs6000.c (output_cbranch): Likewise.
5500 2006-08-23 Stuart Hastings <stuart@apple.com>
5503 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5504 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5506 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5509 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5510 complex values, nor for generic vector values.
5512 2006-08-22 Richard Guenther <rguenther@suse.de>
5515 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5516 parameter. Convert arguments to arithmetic expression to the
5518 (analyze_scalar_evolution_1): Adjust caller.
5520 2006-08-22 Jan Hubicka <jh@suse.cz>
5522 Patch by Paolo Bonzini
5523 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5526 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5528 PR tree-optimization/28003
5529 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5530 before grouping aliases.
5532 2006-08-22 Roger Sayle <roger@eyesopen.com>
5534 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5535 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5537 2006-08-21 Jason Merrill <jason@redhat.com>
5540 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5541 wrapper. Loop to handle nested wrappers.
5542 (gimplify_bind_expr): Remove temp parameter.
5543 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5544 and STATEMENT_LIST on the rhs.
5545 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5546 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5547 (gimplify_target_expr): Remove special BIND_EXPR handling.
5549 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5551 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5554 2006-08-21 Olivier Hainque <hainque@adacore.com>
5556 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5557 Arrange for the temporary captures of components overlapping the lhs
5558 to happen before the lhs is possibly cleared.
5560 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5562 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5563 necessary places to pass the correct "number of registers" values
5566 2006-08-20 Jan Hubicka <jh@suse.cz>
5568 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5569 (create_name_tags): Instead of quadratic checking use hashtable.
5570 * bitmap.h: Include hashtab.h.
5571 (bitmap_hash): Declare.
5572 * bitmap.c (bitmap_hash): New function.
5574 2006-08-20 Jan Hubicka <jh@suse.cz>
5576 PR rtl-optimization/28071
5577 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5579 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5580 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5581 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5582 cgraph_decide_inlining_incrementally): Update use of
5583 cgraph_check_inline_limits.
5584 * cgraph.c (edge_hash, edge_eq): New function.
5585 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5586 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5587 cgraph_remove_node): Maintain call site hash.
5588 * cgraph.h (struct cgraph_node): Add call_site_hash.
5589 (cgraph_set_call_stmt): New function.
5591 2006-08-20 Jan Hubicka <jh@suse.cz>
5593 PR rtl-optimization/28071
5594 * reload1.c (reg_has_output_reload): Turn into regset.
5595 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5596 choose_reload_regs, emit_reload_insns): Update to new
5597 reg_has_output_reload.
5599 2006-08-20 Jan Hubicka <jh@suse.cz>
5602 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5603 function body sizes.
5604 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5606 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5609 * tree.c (handle_dll_attribute): Return early if not a
5610 var or function decl.
5612 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5615 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5616 alignment of SPE vector types.
5618 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5620 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5622 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5625 * cgraph.h (struct cgraph_node): Remove externally_visible
5627 * cgraphunit.c (process_function_and_variable_attributes): Set
5628 local.externally_visible rather than externally_visible.
5631 * c-common.c (handle_externally_visible_attribute): First look
5632 at TREE_CODE and only if it is function or var decl, check for
5633 non-public objects. Don't warn for DECL_EXTERNAL.
5634 * cgraphunit.c (process_function_and_variable_attributes): Warn
5635 if externally_visible attribute is used on non-public object.
5637 2006-08-17 Jan Hubicka <jh@suse.cz>
5639 PR tree-optimization/27865
5640 * reload1.c (forget_marked_reloads): New function.
5641 (forget_old_reloads_1): When data are passed, just mark the registers
5643 (reload_as_needed): Use the new mechanizm.
5645 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5648 * reload.h (reg_equiv_alt_mem_list): New declaration.
5649 * reload1.c (reg_equiv_alt_mem_list): New definition.
5650 (reload): Initialize it and release it.
5651 (delete_output_reload): Use it.
5652 * reload.c (push_reg_equiv_alt_mem): New function.
5653 (find_reloads_toplev): Call it.
5654 (find_reloads_address, find_reloads_address_1): Likewise.
5655 (find_reloads_subreg_address): Likewise.
5657 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5659 PR rtl-optimization/28489
5660 * sched-ebb.c (begin_schedule_ready): Create basic block
5662 (advance_target_bb): Skip empty blocks.
5663 * haifa-sched.c (bb_note): Make global.
5664 * sched-int.h (bb_note): Add prototype.
5666 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5668 PR tree-optimization/27865
5669 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5671 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5672 fold_used_pointer, pointer_used_p): New functions.
5673 (analyze_scalar_evolution_1): Use fold_used_pointer.
5674 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5675 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5678 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5681 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5682 or the INTEGER_CST. Fail on a CALL_EXPR.
5683 (fold_offsetof): Pass new argument to fold_offsetof_1.
5684 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5685 operand into an INDIRECT_REF.
5686 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5688 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5690 PR gcov/profile/26570
5691 * value-prof.c (static_values): Removed.
5692 (tree_find_values_to_profile): Do not set static_values.
5693 (find_values_to_profile): Do not free static_values.
5694 * profile.c (instrument_values): Do not free the values.
5695 (branch_prob): Free the values.
5697 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5699 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5701 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5704 * c-typeck.c (build_component_ref): Combine qualifiers of
5705 structure or union and field.
5707 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5709 PR rtl-optimization/28071
5710 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5711 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5712 * tree-into-ssa.c (struct dom_dfsnum): New.
5713 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5715 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5716 compute_global_livein.
5717 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5718 in phi nodes in the correct blocks.
5720 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5722 PR tree-optimization/28364
5723 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5725 (fold_affine_expr): New function.
5726 (may_eliminate_iv): Use fold_affine_expr.
5728 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5731 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5734 2006-08-16 Mike Stump <mrs@apple.com>
5736 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5737 * doc/cppopts.texi (-MD): Likewise.
5739 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5742 * c-common.c (handle_weak_attribute): Ignore and warn if
5743 not a FUNCTION_ or VAR_DECL.
5745 2006-07-15 Mike Stump <mrs@apple.com>
5748 * c-parser.c (c_parser_typeof_specifier): Don't use
5749 c_finish_expr_stmt, open code desired semantics instead.
5751 2006-08-15 Nick Clifton <nickc@redhat.com>
5753 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5754 fragment to tmake_file only if threads are enabled.
5755 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5756 * config/i386/t-gthr-win32: New file. ... here.
5758 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5761 * c-parser.c (c_parser_compound_statement_nostart): Reset
5762 parser->error after each statement.
5764 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5767 * omp-low.c (lower_omp_parallel): Convert t to
5768 receiver_decl's type.
5769 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5770 source before comparison.
5773 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5774 to itype in assignment to oldival2.
5776 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5780 * c-typeck.c (build_compound_expr): If the second expression
5781 is an error mark, then just return an error mark instead of
5782 creating a COMPOUND_EXPR.
5784 2006-07-14 Mike Stump <mrs@apple.com>
5786 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5788 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5790 * c-decl.c, var-tracking.c: Fix comment typos.
5792 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5794 PR rtl-optimization/28634
5795 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5796 for floating-point modes unless flag_unsafe_math_optimizations.
5798 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5799 Andrew Pinski <pinskia@physics.uc.edu>
5802 * tree.c (build_array_type): Unify array types with
5803 unspecified index_type.
5804 * c-decl.c (grokdeclarator): Make sure we do not modify a
5805 unified incomplete array type.
5806 * c-typeck.c (store_init_value): Create distinct type before
5807 filling in the index type in an initializer from a compound
5810 * c-decl.c (grokdeclarator): Remove code where we copy the
5813 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5815 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5816 into account for TODO_dump_cgraph.
5817 (TODO_update_ssa_no_phi): Likewise.
5818 (TODO_update_ssa_full_phi): Likewise.
5819 (TODO_update_ssa_only_virtuals): Likewise.
5820 (TODO_remove_unused_locals): Likewise.
5821 (TODO_set_props): Likewise.
5822 (TODO_update_stmt_usage): Likewise.
5824 2006-08-13 Dirk Mueller <dmueller@suse.de>
5826 * c-common.c (strict_aliasing_warning): Fix formatting.
5828 2006-08-13 Matthias Klose <doko@debian.org>
5830 * doc/invoke.texi: Fix spelling errors.
5832 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5834 PR rtl-optimization/23454
5835 * reorg.c (relax_delay_slots): Update comment.
5837 2006-08-11 Richard Guenther <rguenther@suse.de>
5840 * simplify-rtx.c (simplify_const_relational_operation):
5841 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5844 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5846 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5847 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5849 2006-08-10 Paul Brook <paul@codesourcery.com>
5851 * final.c (final_scan_insn): Clear current_insn_predicate before
5852 outputting inline asm.
5854 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5856 PR tree-optimization/26197
5857 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5858 get_ref_base_and_extent and overlap_subvar to add only relevant
5859 subvars as may-aliases.
5860 (add_may_alias_for_new_tag): New function, factored out of
5862 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5863 with additional argument.
5864 * tree-flow.h (new_type_alias): Takes additional argument.
5866 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5868 * gcov.c (no_data_file): New flag.
5869 (read_count_file): Set it if data file not present. Assume counts
5871 (output_lines): Don't name the data file, if there wasn't one.
5873 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5875 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5876 (rs6000_generate_compare): Tweak comments.
5877 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5879 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5881 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5882 (var_debug_decl): New function.
5883 (var_reg_set): Follow debug decl link. Add location even if
5884 reg is already known to hold some other variable.
5885 (var_mem_set): Follow debug decl link.
5886 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5887 decl link. Delete other known locations of the variable part
5889 (var_reg_delete, var_mem_delete): Delete other known locations
5890 of the variable part if requested.
5891 (same_variable_part_p): New function.
5892 (add_stores): Select MO_COPY when appropriate.
5893 (vt_initialize): Handle it.
5894 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5895 known locations for MO_SET and MO_CLOBBER.
5896 (find_variable_location_part): New function.
5897 (set_variable_part, delete_variable_part): Use it.
5898 (clobber_variable_part): New function.
5899 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5902 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5904 PR tree-optimization/26969
5905 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5906 with an empty list of PHIs.
5908 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5912 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5915 2006-08-06 Andreas Schwab <schwab@suse.de>
5917 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5918 string. Whitespace and comment fixup.
5920 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5923 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5927 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5930 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5932 2006-08-04 Jan Hubicka <jh@suse.cz>
5936 * reload.c (push_reload): Patch out the mismatching instruction;
5938 (find_reload): Bail out if the instruction was patched out.
5940 2006-08-04 Jan Hubicka <jh@suse.cz>
5942 PR tree-optimization/24888
5943 * tree-inline.c (expand_call_inline): Do not re-record variables.
5944 (declare_inline_vars): Add variable to unexpanded_var_list.
5946 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5947 Roger Sayle <roger@eyesopen.com>
5949 PR rtl-optimization/26244
5950 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5951 inner_const are negative or greater than or equal to the bitsize of
5952 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5953 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5954 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5955 CONST0_RTX (mode) when the new shift count is greater than or equal to
5956 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5959 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5961 * tree-cfg.c: Fix a comment typo.
5963 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5966 * varasm.c (output_constant): Give the front end another chance to
5967 expand constants, after stripping NOPs.
5969 2006-08-03 Jan Hubicka <jh@suse.cz>
5971 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5974 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5976 PR tree-optimization/27770
5977 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5978 declaration removed (moved to tree-flow.h).
5979 (vect_can_force_dr_alignment_p): Likewise.
5980 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5981 (moved from tree-vectorizer.h).
5982 (vect_can_force_dr_alignment_p): Likewise.
5983 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5984 from outside the vectorizer - in particular from cgraph stage.
5985 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5986 the alignment of global arrays when -fsection-anchors is enabled.
5987 * cgraphunit.c (cgraph_increase_alignment): New function.
5988 (cgraph_optimize): Call cgraph_increase_alignment.
5990 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5993 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5994 not reload a SPE symbol_ref into a lo_sum address.
5996 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5999 * dwarf2out.c (prune_unused_types_prune): Move call to
6000 prune_unused_types_update_strings to cover the parent DIE also.
6002 2006-08-02 Jan Hubicka <jh@suse.cz>
6004 PR gcov/profile/28480
6005 * tree-cfg.c (change_bb_for_stmt): New function.
6006 (tree_merge_blocks, tree_split_blocks): Use it.
6008 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6014 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6015 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6016 (cgraph_optimize): Likewise.
6018 2006-08-01 Stuart Hastings <stuart@apple.com>
6020 * rtl.h (UINTVAL) New.
6021 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6022 * testsuite/gcc.dg/20060801-1.c: New.
6024 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6027 * c-typeck.c (build_external_type): Mark used enum types.
6028 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6030 (gen_subprogram_die): Whitespace fix.
6032 2006-08-01 Jan Hubicka <jh@suse.cz>
6034 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6035 bitmap when not needed.
6036 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6039 2006-08-01 Dirk Mueller <dmueller@suse.de>
6041 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6043 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6045 * Makefile.in: Revert part of previous patch:
6046 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6049 2006-07-30 Eric Christopher <echristo@apple.com>
6052 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6053 (PowerPC Variable Attributes): New section.
6055 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6057 PR target/28126 (partial fix)
6058 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6060 2006-07-28 Jan Hubicka <jh@suse.cz>
6062 PR rtl-optimization/28071
6063 * cfgrtl.c (rtl_delete_block): Free regsets.
6064 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6066 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6068 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6069 and variables used in dependencies.
6071 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6073 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6074 %fs for -mcmodel=kernel.
6075 (stack_tls_protect_test_di): Likewise.
6077 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6079 * Makefile.in: Use mkinstalldirs.
6081 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6084 * opts-common.c (prune_options): Skip joined switches.
6086 2006-07-27 Jan Hubicka <jh@suse.cz>
6088 PR rtl-optimization/28071
6089 * cselib.c (cselib_process_insn): Don't remove useless values too
6090 often for very large hashtables.
6092 2006-07-27 Jan Hubicka <jh@suse.cz>
6094 PR rtl-optimization/28071
6095 * global.c (greg_obstack): New obstack.
6096 (allocate_bb_info): Use it.
6097 (free_bb_info): Likewise.
6098 (modify_reg_pav): Likewise.
6100 2006-07-27 Roger Sayle <roger@eyesopen.com>
6102 * builtins.c (fold_fixed_mathfn): When long and long long are the
6103 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6104 functions to their lceil*, lfloor*, lround* and lrint* forms.
6106 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6109 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6111 (rev_branch_insn): Likewise.
6113 2006-07-27 Jan Hubicka <jh@suse.cz>
6115 PR rtl-optimization/28071
6116 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6117 (reg_set_in_bb, max_reg_computed): New static variables.
6118 (regmove_optimize): Free the new array.
6119 (fixup_match_1): Update call of reg_is_remote_constant_p.
6121 2006-07-26 Jan Hubicka <jh@suse.cz>
6123 PR tree-optimization/27882
6124 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6126 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6128 (cgraph_analyze_compilation_unit): Likewise.
6129 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6130 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6131 (cgraph_early_inlinine): Make order garbage collected.
6132 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6134 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6136 * dbxout.c (output_types_sort): Add a comment.
6137 (output_used_types): Free the VEC.
6139 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6141 * function.c (reorder_fix_fragments): Delete.
6142 (reorder_blocks): Don't call it.
6143 (reorder_blocks_1): Put all subblocks under the origin block.
6145 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6147 PR rtl-optimization/27907
6148 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6151 2006-07-25 Roger Sayle <roger@eyesopen.com>
6154 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6155 bar(x) check that bar's result type can represent all the values of T.
6157 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6159 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6161 2006-07-25 Nick Clifton <nickc@redhat.com>
6163 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6164 size_lookup[] array.
6165 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6166 (ggc_pch_count_object): Likewise.
6167 (ggc_pch_alloc_object): Likewise.
6168 (ggc_pch_write_object): Likewise.
6169 (init_ggc): Do not attempt to initialize entries in the
6170 size_lookup[] array for objects whose size is greater than than
6171 the length of the array.
6173 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6175 * dbxout.c (output_used_types_helper): Push queued types
6177 (output_types_sort): New.
6178 (output_used_types): Collect used types on a VEC and sort them
6181 2006-07-24 Richard Guenther <rguenther@suse.de>
6184 * cgraph.c (cgraph_remove_node): Do not check if dumps
6186 * cgraphunit.c (cgraph_optimize): Likewise.
6188 2006-07-24 Jan Hubicka <jh@suse.cz>
6190 PR rtl-optimization/28071
6191 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6192 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6193 splitting before first stmt.
6195 2006-07-24 Jan Hubicka <jh@suse.cz>
6197 PR rtl-optimization/28071
6198 * ipa-inline.c (update_caller_keys): Remove edges that
6199 are no longer inline candidates.
6201 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6204 * dbxout.c (output_used_types_helper, output_used_types): New.
6205 (dbxout_symbol): Call output_used_types.
6207 2006-07-23 Jan Hubicka <jh@suse.cz>
6211 * cgraph.c (cgraph_varpool_nodes): Export.
6212 (decide_is_variable_needed): Ignored "used" attribute in
6213 unit-at-a-time mode.
6214 * cgraph.h (cgraph_varpool_nodes): Declare.
6215 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6216 unit-at-a-time mode.
6218 2006-07-23 Roger Sayle <roger@eyesopen.com>
6221 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6222 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6223 the __gthrw form of thr_keycreate.
6224 (__gthread_key_delete): Silence the unused argument warning.
6226 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6229 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6230 Cache the last found '\0' marker to avoid quadratic behavior.
6232 2006-07-23 Jan Hubicka <jh@suse.cz>
6234 * i386.md (subsi_3_zext): Fix output template.
6236 2006-07-21 Mike Stump <mrs@apple.com>
6238 * doc/invoke.texi (C++ Dialect Options): Note that
6239 -fvisibility-inlines-hidden doesn't affect explicitly
6240 instantiationed inline methods.
6242 2006-07-20 Roger Sayle <roger@eyesopen.com>
6244 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6245 if the target assembler is GNU binutils' gas.
6246 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6247 whether to pass GNU gas or native as command line options.
6249 2006-07-20 Jason Merrill <jason@redhat.com>
6251 * tree.c (remove_attribute): New fn.
6252 * tree.h: Declare it.
6254 2006-07-20 Paul Brook <paul@codesourcery.com>
6257 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6258 they are invalidated by this instruction.
6260 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6263 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6265 2006-07-20 Eric Christopher <echristo@apple.com>
6268 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6270 2006-07-19 Eric Christopher <echristo@apple.com>
6272 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6273 Rewrite dependencies for libgcc_s.1.dylib.
6275 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6277 * except.c (duplicate_eh_regions_1): Clear next_peer.
6279 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6281 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6282 -mlongcall does not guarantee all calls will be long.
6283 * doc/extend.texi (long_call/short_call): Document that longcall
6284 does not guarantee a long call will be used.
6285 (longcall/shortcall): Likewise.
6287 2006-07-18 Roger Sayle <roger@eyesopen.com>
6290 * expmed.c (expand_shift): Additionally check that the shift_cost
6291 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6292 before implementing a LSHIFT_EXPR as a sequence of additions.
6293 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6294 middle-end that DImode shifts need to be synthesized by expand.
6296 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6299 * tree-ssa-operands.c (access_can_touch_variable): Update
6301 Return true if ALIAS is .GLOBAL_VAR.
6303 2006-07-18 David Daney <ddaney@avtrex.com>
6305 * gcc.c (display_help): Fix typo in help text.
6307 2006-07-18 Olivier Hainque <hainque@adacore.com>
6309 * tree.h (categorize_ctor_elements): Adjust prototype and add
6310 descriptive comment, both in accordance with the interface change
6312 * varasm.c (constructor_static_from_elts_p): New function.
6313 Whether a constructor node is a valid static constant initializer
6314 if all its elements are.
6315 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6316 * output.h: Declare it.
6317 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6318 is a valid constant initializer instead of computing the number of
6319 non-constant elements. Use constructor_static_from_elts_p for this
6320 purpose. Replace the head comment with an indication that this is a
6321 helper for categorize_ctor_elements.
6322 (categorize_ctor_elements): Same interface change as for the _1
6323 helper. Former head comment from this helper moved here, adjusted to
6324 account for the interface changes.
6325 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6326 (all_zeros_p): Likewise.
6327 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6328 static versions of the constructor from the categorize_ctor_elements
6329 return value instead of the formerly computed number of non-constant
6332 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6334 * configure: Regenerate.
6335 * Makefile.in (build_libsubdir): New configure substitution
6336 (build_libobjdir): New variable.
6337 (BUILD_LIBIBERTY): Use it.
6339 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6342 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6344 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6347 * c-common.c (handle_weakref_attribute): Ignore attribute in
6348 the same conditions the alias attribute is ignored.
6350 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6352 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6353 (dbxout_begin_prologue): Increment scope_labelno.
6355 2006-07-17 Richard Henderson <rth@redhat.com>
6358 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6361 2006-07-17 Roger Sayle <roger@eyesopen.com>
6362 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6364 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6365 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6366 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6367 functions such as sbrk, write, etc.. Add function prototypes.
6368 Convert function declarations from K&R to ISO C. Cast pointers
6369 to "long" and "unsigned long" instead of "int" and "unsigned int".
6370 Convert tokens following #endif into comments.
6372 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6374 * invoke.texi: Remove mention of f77; Reformat table for
6375 inline parameter options correctly; mention that -malign-double
6376 is default on x86-64 targets.
6378 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6380 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6381 (convert_affine_scev, chrec_convert_aggressive): Use
6382 avoid_arithmetics_in_type_p. Do not check for the subtypes
6385 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6388 * optabs.c (expand_doubleword_shift): Wrap the call to
6389 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6391 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6394 * optabs.c (expand_binop): Pass next_methods rather than methods
6395 to expand_doubleword_shift.
6397 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6400 * tree.h (dump_addr): Declare.
6401 * print-tree.c (dump_addr): New function.
6402 (print_node_brief, print_node): Use it.
6403 * print-rtl.c (print_rtx): Likewise.
6404 * common.opt (-fdump-noaddr): New option.
6405 * doc/invoke.texi (-fdump-noaddr): Document.
6406 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6407 (ve_info_hash): Likewise.
6409 2006-07-13 Andrew Haley <aph@redhat.com>
6411 PR tree-optimization/19505
6412 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6413 edge leaving this block, make sure that the destination of this
6414 block has only one predecessor.
6416 2006-07-17 Richard Guenther <rguenther@suse.de>
6418 PR tree-optimization/28238
6419 * tree-inline.c (copy_bb): Check if we produced valid
6420 gimple copying and substituting a stmt. If not, gimplify
6423 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6425 * optabs.c (maybe_encapsulate_block): New function extracted from...
6426 (emit_libcall_block): ...here. Invoke it on the block of insns to
6427 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6428 (emit_no_conflict_block): Likewise.
6430 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6432 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6434 2006-07-15 Roger Sayle <roger@eyesopen.com>
6436 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6437 a new NOP_EXPR case of the switch statement.
6439 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6442 * stor-layout.c (place_field): Take the bit field with
6443 an excessive size into account in the ms-bitfiled case.
6446 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6447 the previous bit field.
6449 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6452 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6454 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6456 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6457 signal frames correctly even when the signal was installed with
6460 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6462 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6463 (dbxout_function_end): Use local label LFBB. Remove hook
6465 (dbxout_source_line): Use local label LFBB.
6466 (dbxout_block): Likewise.
6467 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6468 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6469 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6470 and DBX_OUTPUT_NFUN.
6472 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6474 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6476 2006-07-13 Jan Hubicka <jh@suse.cz>
6478 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6480 * output.h (align_variable): Declare.
6481 * varasm.c (align_variable): Export.
6482 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6483 when basic block changed.
6485 2006-07-13 Nick Clifton <nickc@redhat.com>
6487 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6488 walking the LOG_LINKS chain.
6490 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6492 * doc/invoke.texi (C++ Dialect Options): Explain difference
6493 between -fvisibility-inlines-hidden and setting hidden
6494 visibility explicitly.
6496 2006-07-12 Eric Christopher <echristo@apple.com>
6498 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6499 (stmp-lipo): Depend on libgcc.a.
6501 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6503 * tree.c: Fix a comment typo.
6505 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6507 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6509 (umulhisi3_r): Likewise.
6511 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6514 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6515 x < 19, vs wchar_t support.
6517 2006-07-12 Nick Clifton <nickc@redhat.com>
6519 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6520 instead of -isa=sh4.
6522 2006-07-12 Mike Stump <mrs@apple.com>
6524 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6526 2006-07-10 Eric Christopher <echristo@apple.com>
6528 * config/t-slibgcc-darwin: Rewrite.
6530 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6533 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6536 2006-07-08 Matthias Klose <doko@debian.org>
6538 * doc/sourcebuild.texi: Fix typo.
6540 2006-07-07 Mike Stump <mrs@apple.com>
6542 * toplev.c (process_options): Don't give -ffunction-sections may
6543 affect debugging warning for Mach-O.
6545 2006-07-07 James E Wilson <wilson@specifix.com>
6547 * config/mips/mips.md (cpu): Add sb1a.
6548 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6549 addition to sb1. Adjust comments to clarify SB-1A differences from
6551 (ir_sb1a_load): New. Modify bypasses to use it.
6552 (ir_sb1a_simple_alu): Likewise.
6553 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6554 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6555 (mips_issue_rate): Add PROCESSOR_SB1A.
6556 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6557 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6558 (TARGET_SB1): Add PROCESSOR_SB1A check.
6559 (TUNE_SB1): Likewise.
6561 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6562 * config/mips/mips.c (mips_store_data_bypass_p): New.
6563 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6564 store_data_bypass_p.
6566 2006-07-08 Paul Brook <paul@codesourcery.com>
6569 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6571 2006-07-07 Richard Guenther <rguenther@suse.de>
6574 * tree.h (build_one_cst): Declare.
6575 * tree.c (build_one_cst): New function.
6576 * tree-ssa-math-opts.c (get_constant_one): Remove.
6577 (insert_reciprocals): Use build_one_cst.
6578 * fold-const.c (fold_plusminus_mult): Likewise.
6580 2006-07-07 Roger Sayle <roger@eyesopen.com>
6582 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6583 * cfgloopanal.c (dump_graph): Likewise.
6584 * dojump.c (discard_pending_stack_adjust): Likewise.
6585 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6587 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6588 * function.c (finalize_block_changes): Likewise.
6589 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6590 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6591 * rtl.c (dump_rtx_statistics): Likewise.
6592 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6594 * varray.c (dump_varray_statistics): Likewise.
6595 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6596 decode_decimal64, encode_decimal128, decode_decimal128,
6597 decimal_real_to_decimal): Likewise.
6599 2006-07-07 Richard Guenther <rguenther@suse.de>
6601 PR tree-optimization/28187
6602 * tree-vrp.c (vrp_operand_equal_p): New function.
6603 (vrp_bitmap_equal_p): Likewise.
6604 (update_value_range): Use them to compare old and new
6607 2006-07-06 Roger Sayle <roger@eyesopen.com>
6609 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6610 a default case to switch statement to silence compiler warnings.
6612 2006-07-06 Roger Sayle <roger@eyesopen.com>
6615 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6616 the configured assembler supports the x87's ffreep mnemonic.
6617 * configure: Regenerate.
6618 * config.in: Regenerate.
6620 * config/i386/i386.c (output_387_ffreep): New function.
6621 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6622 (output_387_reg_move): Likewise.
6624 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6626 Port to hosts whose 'sort' and 'tail' implementations
6627 treat operands with leading '+' as file names, as POSIX
6628 has required since 2001. However, make sure the code still
6629 works on pre-POSIX hosts.
6630 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6631 which says you should use "tail -c +N" rather than "tail +Nc".
6632 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6634 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6636 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6639 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6642 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6643 PRE_{INC,DEC} of TFmode.
6645 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6646 Alan Modra <amodra@bigpond.net.au>
6649 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6652 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6655 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6656 Remove duplicate gtu.
6658 2006-07-05 Jason Merrill <jason@redhat.com>
6662 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6663 * c-common.c (handle_packed_attribute): So don't copy it here.
6664 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6666 2006-07-05 Mike Stump <mrs@apple.com>
6668 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6670 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6673 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6675 2006-07-05 Richard Guenther <rguenther@suse.de>
6678 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6679 TARGET_SSE2 targets if using SSE math.
6680 (*absdf2_1): Likewise.
6682 2006-07-05 Richard Guenther <rguenther@suse.de>
6684 PR tree-optimization/28162
6685 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6686 make sure to convert the operands to the correct type.
6688 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6690 PR tree-optimization/28218
6692 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6693 to calculate and free the dominator information.
6695 2006-07-04 Peter O'Gorman <peter@pogma.com>
6697 * mklibgcc.in: chmod 644 before ranlib during install.
6699 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6700 J"orn Rennecke <joern.rennecke@st.com>
6702 * configure.ac (.eh_frame data check): Use diff -b.
6704 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6707 * Makefile.in (BUILD_RTL): Add build/vec.o.
6708 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6709 (build/genextract): Delete.
6710 (build/genautomata): Likewise.
6712 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6715 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6716 128-bit IBM long doubles for ABI_V4.
6718 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6720 * tree.c (range_in_array_bounds_p): New predicate.
6721 * tree.h (range_in_array_bounds_p): Declare it.
6722 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6723 return a less conservative answer.
6724 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6725 and flag 'is_group'.
6726 (IS_ELEMENT_FOR_GROUP): New macro.
6727 (FOR_EACH_ACTUAL_CHILD): Likewise.
6728 (next_child_for_group): New helper function.
6729 (can_completely_scalarize_p): Take into account groups.
6730 (sra_hash_tree): Handle RANGE_EXPR.
6731 (sra_elt_eq): Likewise.
6732 (lookup_element): Be prepared for handling groups.
6733 (is_valid_const_index): Delete.
6734 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6735 instead of is_valid_const_index.
6736 <ARRAY_RANGE_REF>: New case.
6737 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6738 is_valid_const_index.
6739 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6740 (scan_dump): Dump info for groups too.
6741 (decide_instantiation_1): Likewise.
6742 (decide_block_copy): Assert that the element is not a group.
6743 Propagate decision to groups.
6744 (generate_one_element_ref): Handle RANGE_EXPR.
6745 (mark_no_warning): Iterate over actual childs.
6746 (generate_copy_inout): Likewise.
6747 (generate_element_copy): Likewise.
6748 (generate_element_zero): Likewise.
6749 (generate_element_init_1): Likewise.
6750 (dump_sra_elt_name): Handle RANGE_EXPR.
6752 2006-07-03 Roger Sayle <roger@eyesopen.com>
6754 PR tree-optimization/26251
6755 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6756 (thread_block): When optimizing for size refuse to thread jumps
6757 that would require duplication of blocks other than redirection
6760 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6762 * configure.ac: Fix thinko in previous check-in.
6763 * configure: Regenerate.
6765 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6768 * configure.ac (for lang...): Simplify nesting of conditionals.
6769 Test subdir_requires for non-enabled languages. Move processing
6770 of lang_opt_files and lang_tree_fiels below that test.
6771 * configure: Regenerate.
6772 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6774 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6776 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6778 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6780 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6783 2006-06-29 Jason Merrill <jason@redhat.com>
6790 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6791 * c-common.c (c_determine_visibility): Handle it here.
6792 * c-decl.c (finish_decl): Call c_determine_visibility for
6794 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6796 * varasm.c (default_assemble_visibility): Likewise.
6797 * c-common.c (handle_visibility_attribute): Complain about trying
6798 to give visibility to an already defined class, or trying to change
6799 declared visibility. Always attach the attribute.
6804 * attribs.c (decl_attributes): Ignore type-in-place attributes
6805 once the type has been defined.
6807 2006-06-29 Roger Sayle <roger@eyesopen.com>
6810 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6811 to indicate the cpplib has issued an error message for us.
6813 2006-06-29 Asher Langton <langton2@llnl.gov>
6816 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6817 insert a label at the end of an function under Mach-O.
6819 2006-06-29 Eric Christopher <echristo@apple.com>
6820 Evan Cheng <evan.cheng@apple.com>
6822 * predicates.md (vector_all_ones_operand): New.
6823 (nonimmediate_or_sse_const_operand): Ditto.
6824 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6825 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6826 (standard_sse_mode_p): Ditto.
6827 (standard_sse_constant_p): Add case for -1 vector.
6828 (ix86_expand_vector_move): Try to use.
6829 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6830 Call standard_sse_constant_opcode.
6831 (*movv4sf_internal): Ditto.
6832 (*movv2df_internal): Ditto.
6834 2006-06-29 Roger Sayle <roger@eyesopen.com>
6836 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6837 of XEXP to extract the operands of a MATCH_CODE rtx.
6839 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6841 * tree.c (tree_size): Do not waste tail padding in
6842 struct tree_string and make the size be the same as
6843 build_string will generate.
6845 2006-06-28 Jason Merrill <jason@redhat.com>
6848 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6849 may_aliases already in the tag's annotations to the bitmap.
6851 2006-06-28 Roger Sayle <roger@eyesopen.com>
6853 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6855 2006-06-28 Roger Sayle <roger@eyesopen.com>
6857 * genpreds.c (generate_switch_p): New function.
6858 (add_mode_tests): Push the new mode test down inside an AND expr
6859 if this allows the switch-suitable MATCH_CODE to be near the root.
6860 (write_match_code_switch): New function to write a MATCH_CODE as
6862 (write_predicate_stmts): New function to write a predicate RTX
6863 expression as a sequence of statements.
6864 (write_one_predicate_function): Use write_predicate_stmts.
6865 (write_tm_constrs_h): Likewise.
6867 2006-06-26 Fred Fish <fnf@specifix.com>
6869 * config/mips/t-sb1: New file.
6870 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6873 2006-06-26 DJ Delorie <dj@redhat.com>
6875 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6877 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6878 Jayant Sonar <jayants@kpitcummins.com>
6879 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6881 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6882 (subsi3, subsi3_1, subsi3_2): New.
6883 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6884 * config/m32c/mov.md (SI mov peephole): New.
6885 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6886 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6888 2006-06-26 Olivier Hainque <hainque@adacore.com>
6890 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6891 a CALL_EXPR target function declaration.
6893 2006-06-26 Richard Guenther <rguenther@suse.de>
6895 * tree.c (build_string): Do not waste tail padding in
6898 2006-06-26 Richard Guenther <rguenther@suse.de>
6900 * ggc-page.c (init_ggc): Add missing element to size_lookup
6904 2006-06-23 Richard Guenther <rguenther@suse.de>
6906 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6907 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6908 alignment requests instead. Add verification code.
6909 Add struct tree_function_decl and struct tree_binfo size to
6910 extra_order_size_table. Add missing element to size_lookup
6913 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6916 * fold-const.c (const_binop): Be prepared for self returning zero.
6917 Simplify code handling complex values.
6919 2006-06-24 Olivier Hainque <hainque@adacore.com>
6921 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6922 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6925 2006-06-24 Olivier Hainque <hainque@adacore.com>
6927 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6928 ARRAY_REF, so have the callback called for the low bound expression.
6930 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6932 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6933 * c-typeck.c (c_common_type): Disallow operations on decimal float
6934 types and other float types.
6935 * convert.c (convert_to_real): Don't ignore conversions involving
6936 decimal float types.
6938 2006-06-23 Olivier Hainque <hainque@adacore.com>
6940 * tree.c (max_int_size_in_bytes): New function, inspired from
6941 code in function.c:assign_temp.
6942 * tree.h (max_int_size_in_bytes): Declare.
6943 * function.c (assign_temp): Use it.
6944 * gimplify.c (create_tmp_var): Relax the assertions on the type
6945 properties, not mandating constant size any more.
6946 (force_constant_size): New static function.
6947 (gimple_add_tmp_var): Use it, forcing variable size to a
6948 constant upper bound if it is not constant on entry.
6950 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6953 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6954 for initialization and setting of one_only flag to ...
6955 (i386_pe_encode_section_info): ...here.
6956 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6957 Recheck that the symbol has not been defined.
6959 2006-06-23 Richard Guenther <rguenther@suse.de>
6961 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6962 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6963 alignment requests instead. Add verification code.
6964 Add struct tree_function_decl and struct tree_binfo size to
6965 extra_order_size_table. Add missing element to size_lookup
6968 2006-06-22 Roger Sayle <roger@eyesopen.com>
6969 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6972 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6973 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6975 2006-06-23 Ben Elliston <bje@au.ibm.com>
6977 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6978 negate dn -- manipulate it directly.
6980 2006-06-22 Roger Sayle <roger@eyesopen.com>
6981 Steven Bosscher <stevenb.gcc@gmail.com>
6984 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6985 generated by gen_move_insn to add REG_LABEL notes if necessary.
6987 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6989 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6990 (leaf_entry): Remove use of MIN_ESA.
6992 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6994 PR rtl-optimization/28121
6995 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6998 2006-06-21 DJ Delorie <dj@redhat.com>
7000 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7002 (mulhisi3_r): Likewise.
7004 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7007 * coverage.c (coverage_counter_alloc): Leave the index type
7009 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7012 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7014 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7015 section from the "Options for Code Generation Conventions".
7017 2006-06-21 Richard Henderson <rth@redhat.com>
7021 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7023 (global_symbolic_operand): Allow weak symbols, even if local_p.
7025 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7027 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7028 (find_interesting_uses_address): Punt if above function returns true.
7030 2006-06-21 Richard Guenther <rguenther@suse.de>
7032 * configure: Regenerated.
7034 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7036 * config/mips/mips.c (function_arg): Where one part of a
7037 complex argument is in registers and the other part in the stack,
7038 return a REG not a PARALLEL.
7040 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7042 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7043 when cross-compiling. Do not substitute libstdcxx_incdir.
7044 * configure: Regenerated.
7046 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7048 * varasm.c (mergeable_string_section): Check for embedded NULs and
7049 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7050 rather than TREE_STRING_LENGTH bytes.
7052 2006-06-21 Richard Guenther <rguenther@suse.de>
7054 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7055 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7058 2006-06-21 Richrad Guenther <rguenther@suse.de>
7060 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7061 Limit iteration over the dominators.
7063 2006-06-20 Roger Sayle <roger@eyesopen.com>
7065 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7066 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7068 2006-06-20 Richard Guenther <rguenther@suse.de>
7069 Michael Matz <matz@suse.de>
7071 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7073 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7074 * et-forest.h (et_free_pools): Prototype new function.
7075 * et-forest.c (et_free_tree_force): Free parent occurrence.
7076 (et_free_pools): New function.
7077 * dominance.c (free_dominance_info): Free et-forest alloc
7080 2006-06-20 Roger Sayle <roger@eyesopen.com>
7082 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7083 integer modes, attempt to directly construct an integer constant.
7085 * fold-const.c (native_encode_vector): Determine the size of each
7086 element from the vector type instead of the first vector element.
7088 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7089 if all of its elements/components are constant.
7090 (build_constructor_from_list): Likewise.
7092 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7094 PR tree-optimization/27331
7095 * tree-data-ref.c (free_data_ref): New function.
7096 (create_data_ref): Fail if the data reference has unknown access
7098 (free_data_refs): Use free_data_ref.
7100 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7103 * tree-inline.c (setup_one_parameter): Strip useless
7104 type conversion before adding it to the IR.
7105 (declare_return_variable): Likewise.
7107 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7110 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7112 2006-06-19 Mike Stump <mrs@apple.com>
7114 * tree.c (variably_modified_type_p): VM arguments don't make the
7117 2006-06-19 Richard Guenther <rguenther@suse.de>
7119 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7120 type conversions after folding.
7122 2006-06-19 Richard Guenther <rguenther@suse.de>
7124 * ggc-page.c (extra_order_size_tab): Add entries with
7125 size of struct function and basic_block.
7126 (size_lookup): Extend to cover sizes up to 511.
7127 (ggc_alloc_stat): Adjust user.
7128 (ggc_pch_count_object): Likewise.
7129 (ggc_pch_alloc_object): Likewise.
7130 (ggc_pch_write_object): Likewise.
7132 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7134 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7135 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7138 2006-06-19 Denis Chertykov <denisc@overta.ru>
7140 * config/avr/libgcc.S : Correct my wrong previous commit.
7142 2006-06-19 Roger Sayle <roger@eyesopen.com>
7145 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7146 have stripped a SUBREG from the shift count, so we may need to
7147 convert_to_mode back to the type's mode before calling make_tree.
7148 Use new_amount instead of amount to avoid expanding a tree twice.
7150 2006-06-19 Richard Guenther <rguenther@suse.de>
7153 * fold-const.c (operand_equal_p): Check if the argument types
7154 have the same precision before stripping NOPs.
7156 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7158 Fix PR tree-optimization/27341
7159 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7161 * tree-complex.c (pass_lower_complex): Update SMT usage.
7163 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7165 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7166 Add a new alternative to the constraint strings. Add move of
7167 operand 1 to 3 to the splitter definition.
7168 ("doloop_si_long"): Second contraint alternative removed.
7170 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7172 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7173 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7175 (AVR_HAVE_MOVW) Define.
7176 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7177 (ASM_SPEC): Add avr25.
7178 (LINK_SPEC): Add avr25.
7179 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7180 (base_arch_s): Add new member 'have_movw_lpmx'.
7181 (avr_arch_types): Init 'have_movw_lpmx'.
7182 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7183 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7184 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7185 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7186 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7188 (avr_file_start): Do not output '.arh' derective.
7189 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7190 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7191 * config/avr/avr.md (mcu_enhanced): Delete.
7192 (mcu_have_movw): Define.
7193 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7194 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7195 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7196 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7197 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7198 attiny861 and at86rf401 devices.
7200 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7202 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7205 2006-06-17 Karl Berry <karl@gnu.org>
7207 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7208 doc/gccint.texi, doc/install.texi (@dircategory): Use
7209 "Software development" instead of "Programming", following
7210 the Free Software Directory.
7212 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7214 * config/i386/i386.c (legitimate_tls_address)
7215 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7216 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7217 (*tls_dynamic_gnu2_combine_64): Likewise.
7219 2006-06-16 Richard Guenther <rguenther@suse.de>
7222 * fold-const.c (negate_expr_p): Do not introduce undefined
7223 overflow in negating INTEGER_CSTs.
7224 (fold_negate_expr): Rename from negate_expr. Revert last
7225 change for folding BIT_NOT_EXPR. Change semantics to
7226 return NULL_TREE for non-simplified negations. Do not
7227 strip type conversions and unify type handling.
7228 (negate_expr): New function, wrap around fold_negate_expr
7229 but ensure building a tree always. Strip type conversions
7230 here, fold to result type.
7231 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7233 2006-06-16 Roger Sayle <roger@eyesopen.com>
7236 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7237 that (would) return their results in stack registers.
7239 2006-06-16 Michael Matz <matz@suse.de>
7240 Richard Guenther <rguenther@suse.de>
7242 * fold-const.c (fold_truthop): Only return new tree node if
7243 we canonicalized something.
7245 2006-06-16 Richard Guenther <rguenther@suse.de>
7247 * function.h (enum function_frequency): Move declaration
7248 out of struct function.
7249 (struct function): Move bool fields and the enum to the bitfield
7250 section. Reorder elements to avoid padding. Remove unused
7251 fields left over from the RTL inliner removal.
7252 * function.c (free_after_compilation): Do not zero removed fields.
7253 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7254 (ipa-type-escape.o): Likewise.
7256 2006-06-16 Richard Guenther <rguenther@suse.de>
7258 * cgraph.h (struct cgraph_local_info): Turn bool elements
7260 (struct cgraph_node): Likewise.
7261 (struct cgraph_varpool_node): Likewise.
7263 2006-06-15 Richard Guenther <rguenther@suse.de>
7265 * fold-const.c (fold_truth_not_expr): Rename from
7266 invert_truthvalue. Give it fold_* semantics to avoid
7268 (invert_truthvalue): New function. Wrapper around
7269 fold_truth_not_expr.
7270 (optimize_minmax_comparison): Avoid creating garbage.
7271 (fold_unary): Use fold_truth_not_expr for folding
7273 (fold_ternary): Replace uses of invert_truthvalue with
7274 fold_truth_not_expr where applicable.
7275 * tree.h (fold_truth_not_expr): Prototype.
7277 2006-06-16 Richard Guenther <rguenther@suse.de>
7279 PR tree-optimization/27781
7280 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7281 * ipa-pure-const.c (target.h): Include.
7282 (analyze_function): Do not analyze functions that do not
7285 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7288 * tree-dfa.c (referenced_vars_dup_list): Remove.
7289 (find_referenced_vars): Remove assert.
7290 (referenced_var_check_and_insert): Replace dup list with assert.
7291 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7292 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7294 2006-06-15 Richard Guenther <rguenther@suse.de>
7296 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7297 extra unused identifiers if not dumping.
7298 (create_variable_info_for): Likewise.
7300 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7302 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7303 (derive_constant_upper_bound): Derive more precise upper bound in
7304 common cases. Return type changed to double_int.
7305 (record_estimate): Reflect the changed return type of
7306 derive_constant_upper_bound.
7307 * double-int.c (double_int_zext, double_int_sext): Fix.
7309 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7311 * configure.ac (CFLAGS): Get them from the toplevel or from the
7312 configure invocation.
7313 * configure: Regenerate.
7314 * Makefile.in (CFLAGS): Substitute value provided by configure.
7316 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7319 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7320 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7321 rather than calling add_stmt on it.
7322 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7324 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7327 * reload1.c (reload): Remove registers returned by update_eliminables
7328 from used_spill_regs.
7330 2006-06-13 DJ Delorie <dj@redhat.com>
7332 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7334 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7336 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7337 html__strip_dir, html__mkdir_p. Enhance install-html target.
7338 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7339 * configure: Regenerate.
7341 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7343 * fold-const.c (fold_cond_expr_with_comparison): Check for
7344 Objective-C++ as language in deciding COND_EXPR transformation.
7346 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7349 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7350 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7351 * config/sh/lib1funcs.h (SL, SL1): Define.
7352 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7353 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7354 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7355 (OBJS_Os_4_200): New variable.
7356 ($(T)libgcc-Os-4-200.a): Use it.
7357 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7358 when dividing 1 and/or by 0.
7360 2006-06-13 Roger Sayle <roger@eyesopen.com>
7362 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7363 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7364 * configure: Regenerate.
7366 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7368 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7369 for real instruction.
7371 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7374 * haifa-sched.c (check_cfg): Handle special case.
7376 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7379 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7380 Add debug_info parameter. Chain the vars to the BLOCK instead
7381 of the BIND_EXPR if debug info are requested for them.
7382 (pop_gimplify_context): Adjust for above change.
7383 (gimple_add_tmp_var): Likewise.
7384 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7386 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7387 (convert_local_reference): Likewise.
7388 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7389 (finalize_nesting_tree_1): Request that debug info be emitted
7390 for debug_var_chain.
7392 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7394 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7395 for PR target/27863.
7397 2006-06-13 Richard Guenther <rguenther@suse.de>
7400 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7402 2006-06-13 Richard Guenther <rguenther@suse.de>
7404 PR tree-optimization/27830
7405 * tree-inline.c (copy_body_r): For copying the operand
7406 of an ADDR_EXPR make sure to fold &* afterwards.
7408 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7410 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7411 lvalues in the fb_none case with side-effects.
7413 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7415 * tree-flow.h: Remove the prototype for
7416 compute_phi_arg_on_exit.
7417 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7418 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7421 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7423 * builtins.c (expand_builtin_return_addr): Only use
7424 frame_pointer_rtx when count == 0 and we are expanding
7425 __builtin_return_address.
7427 2006-06-12 Fred Fish <fnf@specifix.com>
7429 * config/mips/mips.c (mips_file_start): Create special section
7430 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7432 2006-06-11 Eric Christopher <echristo@apple.com>
7435 * stor-layout.c (place_field): Remove check for
7436 remaining_in_alignment when aligning at the end of a run.
7438 2006-06-11 Eric Christopher <echristo@apple.com>
7441 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7444 2006-06-11 Roger Sayle <roger@eyesopen.com>
7447 Revert incorrect fix for PR target/27158
7448 2006-05-08 Roger Sayle <roger@eyesopen.com>
7449 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7450 of a reg_equiv_constant if the result is a legitimate constant.
7452 2006-06-11 Roger Sayle <roger@eyesopen.com>
7455 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7456 extract a CONST_VECTOR element and interpret it as an integer.
7457 (vspltis_constant): Use const_vector_elt_as_int instead of the
7458 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7459 * config/rs6000/predicates.md (easy_vector_const): Consider
7460 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7462 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7465 * stor-layout.c (update_alignment_for_field): Don't add extra
7466 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7469 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7471 * config/mips/t-rtems: Add EL/EB multilib variants.
7473 2006-06-09 Mike Stump <mrs@apple.com>
7475 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7477 2006-06-09 David Daney <ddaney@avtrex.com>
7479 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7481 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7483 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7485 2006-06-09 Richard Guenther <rguenther@suse.de>
7487 PR tree-optimization/26998
7488 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7489 of signed types, only TYPE_MIN_VALUE is special, but for both,
7490 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7491 in this case, as is -fwrapv.
7493 2006-06-08 Mike Stump <mrs@apple.com>
7496 * config/darwin.c (darwin_asm_output_anchor): Disable
7497 -fsection-anchors on darwin for now.
7498 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7499 * rs6000/rs6000.c (optimization_options): Likewise.
7501 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7504 * config/i386/i386.c (classify_argument): Skip fields with invalid
7507 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7509 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7510 (cse_insn): Likewise for the stack_pointer_rtx.
7512 2006-06-08 Roger Sayle <roger@eyesopen.com>
7514 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7515 conditions from floating point comparisons.
7517 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7520 * expmed.c (struct alg_hash_entry): Fix type of field T
7521 to match synth_mult argument.
7522 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7524 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7527 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7530 2006-06-08 Richard Guenther <rguenther@suse.de>
7533 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7534 only, if overflow is defined and not trapping.
7535 (negate_expr): Likewise.
7537 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7539 PR tree-optimization/27872
7540 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7541 flag on the new exit edge of the unrolled loop.
7543 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7545 PR rtl-optimization/26449
7546 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7548 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7551 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7552 referenced_variables with matching DECL_UID's.
7553 (find_referenced_vars): Make sure duplicate list is empty to start.
7554 (referenced_var_p): Remove.
7555 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7556 Check if var is in the list, and add if needed. Update the duplicate
7557 list if a different var is in the list with the same DECL_UID.
7558 (add_referenced_var): Call routine to check and insert.
7559 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7560 * tree-flow.h (referenced_vars_dup_list): External declaration.
7562 2006-06-07 Fred Fish <fnf@specifix.com>
7564 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7567 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7570 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7571 the imaginary and real parts of a clobbered register.
7572 Emit insn to set the imaginary part.
7574 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7576 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7577 in lieu of unwind-dw2-fde.c.
7579 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7581 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7583 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7586 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7587 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7588 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7589 V4SImode temporaries and operations instead.
7591 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7593 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7596 2006-06-06 Mike Stump <mrs@apple.com>
7598 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7599 installing during build.
7601 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7603 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7605 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7606 * config/ia64/ia64.c (params.h): New header.
7607 (ia64_optimization_options): New function to adjust parameters.
7608 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7609 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7610 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7612 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7614 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7616 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7619 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7621 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7622 Victor Kaplansky <victork@il.ibm.com>
7624 PR tree-optimization/26360
7625 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7628 2006-06-04 Roger Sayle <roger@eyesopen.com>
7629 Andrew Pinski <pinskia@physics.uc.edu>
7632 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7633 for LABEL_DECL before calling DECL_WEAK.
7636 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7637 LABEL_DECL and PARM_DECL.
7639 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7643 * c-decl.c (grokdeclarator): Disallow variably modified types at
7644 file scope. Avoid marking shared array type of constant size as
7647 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7650 * c-common.c (fold_offsetof_1): Handle static members.
7652 2006-06-04 Eric Christopher <echristo@apple.com>
7654 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7655 (debug_rli): Output value for remaining_in_alignment.
7656 (update_alignment_for_field): Unconditionalize
7657 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7658 extra alignment code.
7659 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7660 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7661 * tree.h (record_layout_info_s): Remove prev_packed.
7662 * doc/extend.texi (ms_struct): Add documentation of format.
7664 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7666 * tree.h: Declare folding_initializer.
7667 * builtins.c (fold_builtin_constant_p): Give definite answer
7668 if folding inside an initializer.
7669 * fold-const.c: Define folding_initializer.
7670 (START_FOLD_INIT): Save and then set folding_initializer.
7671 (END_FOLD_INIT): Restore folding_initializer.
7673 2006-06-04 Richard Guenther <rguenther@suse.de>
7675 PR tree-optimization/27039
7676 * fold-const.c (fold_comparison): Handle pointer comparison
7677 again for all comparison codes. Compare offsets in signed
7679 (fold_binary): Move code from here.
7681 2006-06-03 Roger Sayle <roger@eyesopen.com>
7684 * config/i386/i386.c (construct_container): Split static issued_error
7685 flag into issued_sse_arg_error, issued_sse_ret_error and
7686 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7687 requires the use of x87 registers and the user explicitly
7688 specified the -mno-80387 command line option.
7690 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7692 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7693 HAVE_DECL_SIGALTSTACK.
7695 (segv_handler): Use MC_FLD.
7696 * configure.ac: Check for a sigaltstack declaration.
7697 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7698 * configure: Regenerate.
7699 * config.in: Regenerate.
7701 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7704 * Makefile.in (stmp-fixinc): Fix typo.
7706 2006-06-02 Roger Sayle <roger@eyesopen.com>
7708 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7709 are type correct. Clean-up.
7710 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7711 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7713 2006-06-01 DJ Delorie <dj@redhat.com>
7715 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7716 shift, as we've disabled the "switch" insn that needs it.
7718 2006-06-01 Per Bothner <bothner@bothner.com>
7720 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7721 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7722 * c-ppoutput.c (cb_define): Don't increment line 0.
7724 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7726 * doc/invoke.texi: Add cpu_type power6.
7727 * config.gcc: Add cpu_type power6.
7728 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7729 to power5+ with Altivec.
7730 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7731 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7733 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7735 * config/avr/avr.h (SET_ASM_OP): Define.
7737 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7739 * config/bfin/bfin.c: Fix comment typos.
7741 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7744 * doc/install.texi: Document --enable-bootstrap and
7745 --disable-bootstrap.
7747 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7749 * doc/install.texi: Document that InfoZIP can replace jar.
7751 2006-05-31 Roger Sayle <roger@eyesopen.com>
7753 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7754 isn't available, directly generate the simpler x87 patterns without
7755 the (use (const_int 0)).
7756 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7757 implementation isn't available.
7758 (*negdf2_1): Likewise.
7759 (*negxf2_1): XF mode negation is always done using the x87.
7760 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7762 2006-05-31 Roger Sayle <roger@eyesopen.com>
7764 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7765 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7767 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7769 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7771 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7772 * config/bfin/bfin.c (basic-block.h): Include.
7773 (struct machine_function): New.
7774 (bfin_init_machine_status): New.
7775 (override_options): Initialize init_machine_status.
7776 (bfin_hardware_loop): New.
7777 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7778 (DEF_VEC_P (loop_info)): New.
7779 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7780 (struct loop_info): New.
7781 (loop_info): New typedef.
7782 (struct loop_work): New.
7783 (loop_work): New typedef.
7784 (DEF_VEC_O (loop_work)): New.
7785 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7786 (bfin_dump_loops): New.
7787 (bfin_bb_in_loop): New.
7788 (bfin_scan_loop): New.
7789 (bfin_optimize_loop): New.
7790 (bfin_reorg_loops): New.
7791 (bfin_reorg): Use bfin_reorg_loops.
7792 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7794 (I_REGNO_P): Simplify.
7795 (DP_REGNO_P, DPREG_P): New macros.
7796 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7797 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7798 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7799 Add LT_REGS, LC_REGS, LB_REGS.
7800 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7802 (REGNO_REG_CLASS): Deal with loop registers.
7803 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7805 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7806 New constants for loop registers.
7807 (UNSPEC_LSETUP_END): New.
7808 (seq_insns): New define_attr. Set it for appropriate insns.
7809 (movsi_insn): Add alternatives for move from/to
7810 loop count registers.
7811 (doloop_end): New define_expand.
7812 (loop_end): New define_insn.
7813 (define_split for bad doloop_end): New.
7814 (lsetup_with_autoinit): New define_insn.
7815 (lsetup_without_autoinit): New define_insn.
7816 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7817 * config/bfin/predicates.md (lc_register_operand): New.
7818 (lt_register_operand): New.
7819 (lb_register_operand): New.
7820 (nondp_register_operand): New.
7821 (nondp_reg_or_memory_operand): New.
7822 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7824 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7826 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7827 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7829 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7831 * Makefile.in (CATALOGS): Add po/ prefix.
7832 * configure: Regenerated.
7834 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7837 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7838 a shift operand before calling shift_op. Avoid redundant call of
7841 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7842 DJ Delorie <dj@redhat.com>
7844 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7845 we're inserting is a singlt-bit constant.
7847 2006-05-30 Roger Sayle <roger@eyesopen.com>
7849 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7850 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7852 2006-05-30 Roger Sayle <roger@eyesopen.com>
7854 PR tree-optimization/23452
7855 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7856 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7857 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7858 complex values and with -ffast-math for FP complex values.
7860 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7862 * c-common.h: Remove the prototype for yyparse.
7863 * rtl.h: Remove the prototype for init_loop.
7865 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7867 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7870 2006-05-30 Roger Sayle <roger@eyesopen.com>
7872 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7874 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7875 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7877 2006-05-30 Dirk Mueller <dmueller@suse.de>
7880 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7881 for CONSTANT_CLASS_P expresisons.
7883 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7886 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7888 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7890 PR tree-optimization/27779
7891 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7892 initial_condition instead of CHREC_LEFT.
7894 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7896 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7897 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7898 Make prototypes ISO C90.
7900 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7901 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7903 * see.c (see_analyze_one_def): Correct check.
7904 (see_get_extension_data): Check if extension is parallel.
7905 (see_get_extension_reg): Likewise.
7907 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7910 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7911 into register for (code == GTU).
7913 2006-05-29 Roger Sayle <roger@eyesopen.com>
7915 PR tree-optimization/24964
7916 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7917 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7918 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7919 abs(x)*abs(x) as x*x for scalar floating point modes.
7921 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7924 * lambda-code.c (perfect_nestify): Don't copy statements
7925 in the inner loop: move them to the inner loop header.
7927 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7930 * c-tree.texi: Document OpenMP directives and clauses.
7932 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7934 * varasm.c (globalize_decl): Fix indentation.
7936 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7939 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7940 pass_fre, pass_store_ccp, pass_copy_prop,
7941 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7942 pass_return_slot, pass_object_size, pass_lim,
7943 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7944 pass_loop_prefetch and pass_stdarg.
7946 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7948 * config/bfin/bfin.opt (mfdpic): New option.
7949 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7950 (EXTRA_MULTILIB_PARTS): Likewise.
7951 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7952 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7954 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7955 (CRT_CALL_STATIC_FUNCTION): New.
7956 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7958 (CRT_CALL_STATIC_FUNCTION): New.
7959 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7961 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7962 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7963 (initialize_trampoline): Changed to handle FD-PIC code generation.
7964 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7965 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7966 (override_options): Disallow -mid-shared-library -mfdpic combination.
7967 Can't do unaligned ops if FD-PIC.
7968 Turn off flag_pic if trying to generate non-id-shared-library
7969 non-fdpic code, since it's not supported.
7970 (bfin_assemble_integer): New function.
7971 (TARGET_ASM_INTEGER): Define.
7972 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7974 * config/bfin/crtn.s: Restore them.
7975 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7977 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7978 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7979 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7980 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7981 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7983 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7984 FDPIC_REGS and FDPIC_FPTR_REGS.
7985 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7986 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7987 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7988 (load_funcdescsi): New pattern.
7989 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7990 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7991 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7993 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7995 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7998 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8000 * tree-flow.h: Remove the prototype for add_type_alias.
8001 * tree-ssa-alias.c (add_type_alias): Remove.
8003 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8005 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8006 config/fr30/fr30.md, config/i386/i386-interix.h,
8007 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8008 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8009 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8010 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8011 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8012 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8013 Follow spelling conventions.
8014 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8015 Follow spelling conventions.
8017 2006-05-27 Richard Guenther <rguenther@suse.de>
8020 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8021 to produce a constant of value 1 of generic type.
8023 2006-05-27 Dirk Mueller <dmueller@suse.de>
8025 * cgraphunit.c (decide_is_function_needed): Fix wrong
8028 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8030 PR rtl-optimization/27661
8031 * reload.c (find_reloads): When reloading a VOIDmode constant
8032 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8033 use Pmode as mode of the reload register.
8035 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8037 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8038 is enabled at -O and above.
8040 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8043 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8046 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8049 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8050 for anonymous variables explicitly declared by front ends.
8052 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8054 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8055 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8056 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8057 ref-all pointers, run a finalization pass for them.
8058 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8059 (finalize_ref_all_pointers): New function.
8060 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8061 regular pointer type to a ref-all pointer type.
8062 (get_tmt_for): Return the special memory tag for ref-all pointers.
8064 2006-05-25 Richard Guenther <rguenther@suse.de>
8067 * fold-const.c (fold_binary): Do not look at the stripped
8068 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8070 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8072 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8073 for LT and GT if the computed range is effectively empty.
8075 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8078 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8079 mips_quad_format formats instead of ieee_single_format,
8080 ieee_double_format and ieee_quad_format formats, respectively.
8082 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8084 PR tree-optimization/27639
8085 PR tree-optimization/26719
8086 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8087 call to scev_probably_wraps_p.
8088 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8089 used_in_pointer_arithmetic_p, convert_step): Removed.
8090 (nowrap_type_p): New function.
8091 (scev_probably_wraps_p): Rewritten.
8092 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8093 chrec_convert if chrec_convert_aggressive might have been used.
8094 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8095 scev_direction): New functions.
8096 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8097 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8098 instead of convert_step.
8099 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8100 (convert_step): Declaration removed.
8101 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8103 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8105 * df-core.c: Added to header comments.
8106 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8107 df_ur_bb_info, df_urec_bb_info): Added comments.
8108 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8109 urec, ri problems): Fixed header comments.
8110 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8111 code from df_rd_transfer_function.
8113 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8115 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8116 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8117 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8119 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8121 * expr.c (undefined_operand_subword_p): New.
8122 (emit_move_multi_word): Do not generate move from undefined bits
8123 of a paradoxical subreg.
8125 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8127 PR rtl-optimization/27736
8128 * combine.c (replaced_rhs_value): New variable.
8129 (combine_instructions): Set it.
8130 (distribute_notes): When distributing a note in replaced_rhs_insn,
8131 check whether the value was used in replaced_rhs_value.
8133 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8136 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8137 add_referenced_var instead of add_referenced_tmp_var.
8138 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8139 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8141 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8142 tree_optimize_tail_calls_1): Use add_referenced_var.
8143 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8144 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8145 Use add_referenced_var.
8146 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8147 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8148 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8149 Use add_referenced_var.
8150 * tree-dfa.c (struct walk_state): Remove.
8151 (find_referenced_vars): Remove walk state and vars_found hash table.
8152 (make_rename_temp): Use add_referenced_var.
8153 (find_vars_r): Pass less parameters to add_referenced_var.
8154 (referenced_var_p): New. Is var in referenced_var hash table.
8155 (referenced_var_insert): Assert var isn't already in hash table.
8156 (add_referenced_var): Don't need walk_state parameter. Add var if it
8157 isn't already in the hash table.
8158 (add_referenced_tmp_var): Remove.
8159 (find_new_referenced_vars_1): Use add_referenced_var.
8160 * tree-ssa-pre.c (create_expression_by_pieces,
8161 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8162 Use add_referenced_var.
8163 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8164 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8165 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8167 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8168 vect_create_data_ref_ptr, vect_create_destination_var,
8169 vect_init_vector, vect_build_loop_niters,
8170 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8171 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8172 Use add_referenced_var.
8173 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8174 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8175 (add_referenced_var): Add prototype.
8176 * tree-ssa-structalias.c (get_constraint_for,
8177 intra_create_variable_infos): Use add_referenced_var.
8179 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8181 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8182 big-endian paradoxical subregs.
8183 * var-tracking.c (struct micro_operation_def): Document that,
8184 for modify micro operations, insn is the subsequent instruction.
8185 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8186 (var_reg_set, var_mem_set): ... new functions.
8187 (add_stores): Record subsequent insn.
8188 (compute_bb_dataflow): Use new functions for MO_USE.
8189 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8190 notes after the insn, and modify notes before the insn known
8191 to be the subsequent one.
8192 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8194 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8197 * config/i386/i386.c (ix86_expand_builtin): Use
8198 gen_sse3_monitor64 for TARGET_64BIT.
8200 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8202 PR rtl-optimization/26375
8203 PR rtl-optimization/26855
8204 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8206 (df_ru_bb_local_compute): Reversed statements and removed bogus
8207 comment explaining why they should be in wrong order.
8208 (df_ru_dump, df_rd_dump): Enhanced debug info.
8209 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8211 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8212 reaching uses and fixed space problem.
8214 2006-05-23 Jan Hubicka <jh@suse.cz>
8216 * cgraphunit.c (decide_is_function_needed): Also nested functions
8217 and functions declared inline can be optimized out at -O0.
8219 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8221 * doc/install.texi (Configuration): Remove reference to CrossGCC
8225 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8228 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8229 ix86_compare_emitted is non-NULL.
8231 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8234 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8237 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8239 PR rtl-optimization/25514
8240 * combine.c (replaced_rhs_insn): New variable.
8241 (combine_instructions): Set replaced_rhs_insn when trying to replace
8242 a SET_SRC with a REG_EQUAL note.
8243 (distribute_notes): Use replaced_rhs_insn when determining the live
8244 range of a REG_DEAD register.
8246 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8247 Anatoly Sokolov <aesok@post.ru>
8249 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8250 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8251 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8252 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8253 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8254 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8255 at90usb647, at90usb1286 and at90usb1287 devices.
8256 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8257 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8259 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8261 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8263 2006-05-22 Richard Guenther <rguenther@suse.de>
8266 2006-01-31 Richard Guenther <rguenther@suse.de>
8267 Paolo Bonzini <bonzini@gnu.org>
8269 * doc/install.texi (--disable-libgcc-math): Document.
8271 2006-05-22 Richard Guenther <rguenther@suse.de>
8274 2006-01-31 Richard Guenther <rguenther@suse.de>
8276 * doc/invoke.texi (-msselibm): Document.
8277 * target.h (expand_library_builtin): New target hook.
8278 * builtins.c (expand_builtin): Use expand_library_builtin.
8279 (default_expand_library_builtin): New function.
8280 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8281 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8282 (link_gcc_math_spec): Declare.
8283 (static_specs): Add link_gcc_math_spec.
8284 * expr.h (default_expand_library_builtin): Declare.
8285 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8286 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8287 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8288 * config/i386/i386.opt (msselibm): New target option.
8289 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8290 (ix86_init_sse_abi_builtins): New function.
8291 (ix86_expand_library_builtin): Likewise.
8292 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8293 (override_options): Handle error conditions wrt -msselibm.
8294 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8295 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8296 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8299 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8302 * c-common.c (self_promoting_args_p): Skip erroneous args.
8305 * c-decl.c (finish_struct): Skip erroneous fields.
8307 2006-05-22 Nick Clifton <nickc@redhat.com>
8309 * config/cris/cris.opt (march): Remove VarExists attribute.
8310 (max-stackframe=): Likewise.
8312 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8314 * doc/rtl.texi: Fix a typo.
8315 * see.c: Fix comment typos.
8317 * tree-ssa-structalias.h (alias_info): Remove num_references.
8319 2006-05-21 Mike Stump <mrs@apple.com>
8321 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8323 (darwin_pragma_options): Use BAD instead.
8324 (darwin_pragma_unused): Likewise.
8325 (darwin_pragma_ms_struct): Likewise.
8327 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8329 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8331 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8333 PR rtl-optimization/27671
8334 * simplify-rtx.c (simplify_relational_operation_1): Fix
8335 simplifications of (eq/ne (xor x y) y) and
8336 (eq/ne (xor x y) x).
8338 PR tree-optimization/26622.
8339 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8342 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8344 * tree-cfg.c: Prune whitespace.
8345 (debug_tree_cfg): Point to correct header containing the
8348 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8351 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8353 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8356 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8357 or sorry count is non zero.
8359 2006-05-20 Andreas Schwab <schwab@suse.de>
8361 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8363 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8364 Kenneth Zadeck <zadeck@naturalbridge.com>
8366 PR rtl-optimization/26855
8368 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8370 (df_scan_alloc): Added code to properly handle multiword hard
8371 registers and add all_blocks parameter.
8372 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8373 code to properly handle multiword hard registers.
8374 (df_rescan_blocks): Added code to remove deleted blocks from
8376 (df_ref_create_structure, df_ref_record): Added code to properly
8378 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8379 and set DF_REF_PARTIAL.
8380 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8381 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8382 (df_scan_add_problem): Added flags parameter.
8383 (df_ref_create_structure): Changed switching structure.
8384 (df_bb_refs_record): Fixed case where duplicate artificial refs
8385 were created. Changed location of flags.
8386 (df_record_entry_block_defs): Added code to make stack pointer
8387 live in entry block. Refined cases where frame pointer is needed.
8388 Changed location of flags.
8389 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8390 (df_set_state): Removed function.
8391 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8392 df_insn_create_insn_record, df_insn_refs_delete,
8393 df_ref_create_structure): Formatting changes.
8394 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8395 df_delete_basic_block): New function.
8396 (df_init): Changed location of flags.
8397 (df_add_problem): Added flags parameter and the way flags are
8399 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8400 debug_df_chain): Improved debugging output.
8401 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8402 (df_refs_chain_dump): Removed df parameter.
8403 (df_iterative_dataflow): Added consistency check.
8404 (df_prune_to_subcfg): Made public.
8405 (df_analyze_problem): Added blocks_to_init parameter and made
8407 (df_ref_record, df_bb_refs_record, df_mark_reg,
8408 df_record_exit_block_uses): Whitespace changes.
8409 (df_dump): Whitespace changes.
8410 * df.h: Some reordering to remove forward references.
8411 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8412 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8413 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8414 (dataflow.flags): New field.
8415 (df.flag): Deleted field.
8416 (df_alloc_function): Added additional bitmap parameter.
8417 (df_dependent_problem_function): New type.
8418 (df_problem.changeable_flags): New field.
8419 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8420 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8421 (df_mw_hardreg): New struct.
8422 (DF_INSN_UID_MWS): New macro.
8423 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8425 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8426 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8427 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8428 (df_set_state): Removed function.
8429 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8430 * df-problems.c (df_chain_dump): Removed df parameter.
8431 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8432 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8434 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8435 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8436 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8437 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8438 DF_REF_MUST_CLOBBER cases.
8439 (df_ru_bb_local_compute_process_def,
8440 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8441 df_lr_bb_local_compute, df_ur_bb_local_compute,
8442 df_chain_create_bb): Made subreg aware.
8443 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8444 df_lr_bb_local_compute, df_lr_bb_local_compute,
8445 df_chain_create_bb): Cleanup to use proper macros.
8446 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8447 code to fixup bitvectors.
8448 (df_ri_alloc): Cleared lifetime.
8449 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8450 df_create_unused_note): New function.
8451 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8452 REG_DEAD and REG_UNUSED notes as well as register information.
8453 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8454 df_chains_dump): Fixed crash if problem was never run.
8455 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8456 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8457 df_ri_add_problem): Processes flags in uniform manner.
8458 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8459 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8460 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8461 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8462 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8463 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8464 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8465 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8466 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8467 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8468 * see.c (see_initialize_data): Ditto.
8469 * final.c (rest_of_clean_state) Added regstack_completed.
8470 * rtl.h (regstack_completed): Ditto.
8471 * reg-stack.c (regstack_completed): Ditto.
8473 2006-05-19 Mike Stump <mrs@apple.com>
8475 * c-tree.h (default_conversion): Remove.
8476 * c-common.h (default_conversion): Add.
8478 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8480 * tree-vrp.c (valid_value_p): New function.
8481 (adjust_range_with_scev): Fail if the value of bound is not
8484 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8486 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8487 (mips_fallback_frame_state): Use syscall numbers to determine
8488 the appropriate li instruction for the current ABI. Only use
8489 __NR_sigreturn for o32.
8491 2006-05-19 Nicolas Setton <setton@adacore.com>
8493 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8494 * langhooks.c (lhd_dwarf_name): New function.
8495 * langhooks-def.h (lhd_dwarf_name): Declare.
8496 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8497 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8499 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8501 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8503 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8504 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8505 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8506 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8507 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8508 determine the size of Wtype, etc.
8509 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8510 (swfloatfuncs): New variable.
8511 (dwfloatfuncs): Likewise.
8512 (lib2funcs): Remove floating-point conversion functions from
8513 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8514 the set of conversion routines needed. Allow entries to specify
8515 an object name, filename and word size. Update users accordingly.
8516 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8517 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8521 2006-02-08 Roger Sayle <roger@eyesopen.com>
8524 * config/fixtfdi.c: New libgcc source file.
8525 * config/fixunstfdi.c: New source file.
8526 * config/floatditf.c: New source file.
8527 * config/floatunditf.c: New souce file.
8528 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8529 files above instead of config/mips/_tilib.c.
8530 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8532 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8534 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8535 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8537 2006-05-18 Mike Stump <mrs@apple.com>
8539 Fix up vla, vm and [*] sematics.
8545 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8546 (c_vla_unspec_p): Add.
8547 (c_vla_type_p): Add.
8548 * c-decl.c (struct c_scope): Add had_vla_unspec.
8549 (build_array_declarator): Add support for [*].
8550 (grokdeclarator): Likewise.
8551 (grokparms): Likewise.
8552 (get_parm_info): Likewise.
8553 * c-objc-common.c (c_vla_unspec_p): Likewise.
8554 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8555 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8556 typeof when argument is a variably modified type not inside sizeof or alignof.
8557 (c_parser_direct_declarator_inner): Propagate errors.
8558 (c_parser_sizeof_expression): Add support for [*].
8559 (c_parser_parms_declarator): Initialize had_vla_unspec.
8560 (c_parser_parms_list_declarator): Likewise.
8561 * c-typeck.c (c_vla_type_p): Add.
8562 (composite_type): Add support for vla compositing.
8563 (comptypes_internal): Add support for vla compatibility.
8564 (c_expr_sizeof_expr): Evaluate vla arguments.
8565 * tree.c (variably_modified_type_p): Update comment for [*].
8567 2006-05-18 Michael Matz <matz@suse.de>
8570 * config.host: Make assignments to host_xmake_file cumulative.
8571 * config.host (*-darwin*): Test $host, not $target.
8573 2006-05-12 Stuart Hastings <stuart@apple.com>
8575 * config/i386/i386.opt (-mstackrealign): New flag.
8576 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8577 (ix86_handle_cconv_attribute): Emit error when
8578 force_align_arg_pointer attribute collides with too many regparms.
8579 (ix86_function_regparm): Limit regparms when used with
8580 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8581 Support stack-realigning prologue in non-main functions. Emit
8582 warning for nested functions under -mstackrealign, emit error for
8583 nested functions with force_align_arg_pointer attribute.
8584 * doc/extend.texi (force_align_arg_pointer): Document it.
8585 * doc/invoke.texi (-mstackrealign): Document it.
8587 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8589 PR rtl-optimization/27477
8590 * combine.c (try_combine): Don't split a parallel consisting
8591 of two sets into two individual sets if both sets reference
8594 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8596 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8597 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8599 * doc/options.texi (VarExists): Updated.
8601 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8603 * unwind-dw2.c: Add declarations for uw_update_context and
8605 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8606 detected, advance frame state and context once to skip over stub.
8608 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8612 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8613 Call rewrite_into_loop_closed_ssa only when something changed.
8614 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8615 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8616 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8617 Test for perfect_nest_p here. Fix formating.
8618 (replace_uses_equiv_to_x_with_y): Fix formating.
8619 (stmt_uses_op): Removed.
8620 (can_convert_to_perfect_nest): Removed loopivs parameter.
8621 Complete the test by checking the scalar dependences.
8622 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8625 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8628 From Dan Kegel <dank@kegel.com>:
8629 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8631 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8633 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8634 if the element type is variably modified without recursing.
8636 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8639 * tree-loop-linear.c (try_interchange_loops): Test for
8640 no data dependences.
8642 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8644 PR tree-optimization/27548
8645 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8646 range of ssa names that appear on abnormal edges.
8647 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8648 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8650 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8653 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8655 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8658 * tree.h (OMP_PARALLEL_COMBINED): Define.
8659 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8660 (new_omp_context): Add is_combined_parallel argument.
8661 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8662 new_omp_context caller.
8663 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8664 Adjust gimplify_scan_omp_clauses callers.
8665 (omp_is_private): Issue errors if iteration variable is firstprivate
8666 or reduction in the current context.
8667 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8668 on combined parallel workshare constructs.
8670 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8672 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8673 (gcc-options.o): New rule.
8675 * optc-gen.awk: Protect variables for gcc-options.o with
8676 #ifdef GCC_DRIVER/#endif.
8678 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8680 Fix PR tree-optimization/27373
8681 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8682 (forward_propagate_addr_expr): Update call.
8684 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8686 * doc/options.texi: Move the Negative option.
8688 2006-05-16 Richard Guenther <rguenther@suse.de>
8690 PR tree-optimization/22303
8691 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8693 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8694 ccp_fold did not simplify the statement.
8696 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8699 * Makefile.in (GCC_OBJS): New.
8700 (OBJS-common): Add opts-common.o.
8701 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8702 (cpp$(exeext)): Likewise.
8703 (gcc.o): Also depend on opts.h.
8704 (opts-common.o): New.
8706 * common.opt (gcoff): Add Negative(gdwarf-2).
8707 (gdwarf-2): Add Negative(gstabs).
8708 (gstabs): Add Negative(gstabs+).
8709 (gstabs+): Add Negative(gvms).
8710 (gvms): Add Negative(gxcoff).
8711 (gxcoff): Add Negative(gxcoff+).
8712 (gxcoff+): Add Negative(gcoff).
8713 * config/i386/i386.opt (m32): Add Negative(m64).
8714 (m64): Add Negative(m32).
8716 * doc/options.texi: Document the Negative option.
8718 * gcc.c: Include "opts.h".
8719 (main): Call prune_options after expandargv.
8721 * optc-gen.awk: Generate common declarations for all flag
8722 variables in options.c. Output the neg_index field.
8724 * opts.c (find_opt): Moved to ...
8725 * opts-common.c: Here. New file.
8727 * opts.h (cl_option): Add a neg_index field.
8729 (prune_options): Likewise.
8731 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8734 * omp-low.c (expand_omp_parallel): Don't assert
8735 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8736 instead search for it.
8739 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8742 2006-05-16 Andreas Schwab <schwab@suse.de>
8744 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8747 2006-05-15 Roger Sayle <roger@eyesopen.com>
8750 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8751 integer constants other than zero are only legitimate on TARGET_64BIT.
8752 <CONST_VECTOR> Only zero vectors are legitimate.
8753 (ix86_cannot_force_const_mem): Integral and vector constants can
8754 always be put in the constant pool.
8756 2006-05-16 DJ Delorie <dj@redhat.com>
8758 * crtstuff.c (__dso_handle): Set section from
8759 TARGET_LBIGCC_SDATA_SECTION if defined.
8760 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8761 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8763 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8766 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8769 2006-05-16 Ben Elliston <bje@au.ibm.com>
8771 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8773 2006-05-15 Per Bothner <per@bothner.com>
8775 * tree.c: (last_annotated_node): Use source_locus typedef.
8776 This permits bootstrapping with --enable-mapped-location.
8778 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8780 PR tree-optimization/26830
8781 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8782 (info_for_ssa_name, current_info_for_ssa_name_age,
8783 blocks_to_update): New variables.
8784 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8785 (clear_ssa_name_info, initialize_flags_in_bb,
8786 mark_block_for_update): New functions.
8787 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8788 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8789 prepare_def_site_for): Use mark_block_for_update.
8790 (mark_def_interesting): Assert that the processed block is marked in
8791 blocks_to_update. Do not take blocks argument.
8792 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8794 (rewrite_update_init_block, rewrite_update_stmt): Only process
8795 blocks with statements to rewrite.
8796 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8797 (update_ssa): Initialize and free blocks_to_update. Do not
8798 clear flags on statements. Do not use blocks bitmap.
8799 * tree.h (SSA_NAME_AUX): Removed.
8800 (struct tree_ssa_name): Removed aux field.
8801 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8803 2006-05-15 Richard Guenther <rguenther@suse.de>
8805 PR tree-optimization/27603
8806 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8807 Do computations in original type.
8809 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8811 * see.c: Code style changes such as redundant paranthesis,
8812 redundant intialization of local variables etc.
8813 (see_main): Declared now as static.
8814 * doc/invoke.texi: Update that -fsee is not enabled by
8817 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8819 * omp-low.c (check_omp_nesting_restrictions): New function.
8820 (scan_omp_1): Call it.
8823 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8824 construct, return *VAR.
8826 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8828 PR rtl-optimization/27406
8829 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8832 2006-05-14 Roger Sayle <roger@eyesopen.com>
8834 PR rtl-optimization/27538
8835 * combine.c (expand_compound_operation): Call gen_lowpart
8836 before calling simplify_shift_const.
8838 2006-05-14 Roger Sayle <roger@eyesopen.com>
8840 PR rtl-optimization/22563
8841 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8842 a fixed width bitfield, always force the intermediates into psuedos.
8844 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8847 * mkconfig.sh: Use operator = instead of == for test.
8849 2006-05-13 Nick Clifton <nickc@redhat.com>
8851 * dwarf2out.c (dbx_reg_number): Check return value from
8852 LEAF_REG_REMAP and only use it if it is valid.
8853 (multiple_reg_loc_descriptor): Likewise.
8855 2006-05-13 Richard Guenther <rguenther@suse.de>
8857 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8860 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8862 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8863 information attached to non-INSNs such as NOTEs.
8864 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8866 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8868 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8870 * config/s390/s390.md: Adjust comment describing On constraint.
8872 2006-05-11 Jan Hubicka <jh@suse.cz>
8874 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8875 to be output at -O0.
8877 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8880 * fold-const.c (size_binop): Move sanity check for arguments to
8881 the beginning of the function.
8884 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8887 2006-05-11 Richard Guenther <rguenther@suse.de>
8890 * fold-const.c (fold_unary): Handle intermediate conversion
8891 to a pointer type like intermediate conversion to an integer
8892 type in folding of (T1)(T2)var to var.
8893 Match the code to the comment in the final conversion for
8894 (T1)(T2)var to (T1)var regarding to type precision. Rather
8895 than disallow T1 being of pointer type, assert that both T1
8896 and var are of pointer type or not. Make sure not to fall
8897 over the frontends lazyness wrt array to pointer decay though.
8899 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8901 * arm.c (arm_struct_value_rtx): Delete.
8902 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8903 (arm_init_cumulative_args): Always initialize nregs to zero.
8905 2006-05-10 Richard Guenther <rguenther@suse.de>
8907 PR tree-optimization/27532
8908 * tree-object-size.c (plus_expr_object_size): Fix typo.
8910 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8913 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8914 ashrdi_const, ashrdi3): Use a scratch register.
8916 2006-05-10 Richard Guenther <rguenther@suse.de>
8918 PR tree-optimization/27302
8919 * fold-const.c (operand_equal_p): For two comparisons,
8920 try comparison of one comparison code swapped if that yields
8923 2006-05-10 Ben Elliston <bje@au.ibm.com>
8925 * tree-pretty-print.c (pretty_print_string): No need to handle
8926 '\0' as a special character.
8928 * tree.h: Include "hashtab.h".
8929 (iterative_hash_expr): Use hashval_t in its prototype.
8930 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8932 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8935 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8936 (hppa*64*-*-hpux11*): Ditto.
8937 (hppa[12]*-*-hpux11*): Ditto.
8939 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8942 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8944 2006-05-09 Michael Matz <matz@suse.de>
8946 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8947 host_extra_gcc_objs and host_xmake_file.
8948 (<*-*-linux*>): Don't overwrite host_xmake_file.
8949 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8950 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8951 (host_detect_local_cpu): Declare.
8952 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8953 * config/i386/i386.c (override_options): Handle -mtune=native
8955 * config/i386/x-i386: New file.
8956 * config/i386/driver-i386.c: New file.
8957 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8960 2006-05-09 Dirk Mueller <dmueller@suse.de>
8961 Richard Guenther <rguenther@suse.de>
8964 * fold-const.c (fold_read_from_constant_string): Relax check
8965 for matching types to matching modes.
8967 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8969 PR rtl-optimization/27335
8970 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8973 2006-05-08 Chao-ying Fu <fu@mips.com>
8974 Richard Sandiford <richard@codesourcery.com>
8976 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8977 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8978 * config/mips/mips.md (UNSPEC_SCC): New constant.
8979 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8980 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8981 (mips_emit_compare): Use it.
8982 (mips_expand_vcondv2sf): New function.
8984 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8986 Fix PR tree-optimization/27093
8987 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8988 renaming when they become not-used_alone.
8990 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8992 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8993 relocation and relocation stubs.
8995 2006-05-08 Eric Christopher <echristo@apple.com>
8997 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9000 2006-05-08 Jan Hubicka <jh@suse.cz>
9003 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9004 unused static functions are needed.
9006 2006-05-08 Roger Sayle <roger@eyesopen.com>
9009 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9010 of a reg_equiv_constant if the result is a legitimate constant.
9012 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9015 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9016 standard 80387 constants, raise the cost to prevent
9017 compress_float_constant() to generate load from memory.
9019 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9021 * config/arm/constraints.md (c): Fix a typo.
9023 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9026 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9029 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9031 (_mm_mwait): Likewise.
9033 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9035 (sse3_monitor): Make it 32bit only.
9036 (sse3_monitor64): New. 64bit monitor.
9038 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9041 * config/i386/i386.c (classify_argument): Skip fields with invalid
9044 2006-05-07 Richard Guenther <rguenther@suse.de>
9046 PR tree-optimization/27409
9047 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9048 Do not try to find zero-sized subvars.
9050 2006-05-07 Richard Guenther <rguenther@suse.de>
9052 PR tree-optimization/27136
9053 * tree-ssa-loop-niter.c (get_val_for): Correct function
9054 comment, assert requirements.
9055 (loop_niter_by_eval): Stop processing if the iterated
9056 value did not simplify.
9058 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9060 * opts.c (flag_see): remove its setting at -O3.
9062 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9064 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9065 * arm/constraints.md: New file.
9066 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9067 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9068 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9069 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9070 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9071 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9072 * arm.md: Include constraints.md.
9073 (thumb_movsi_insn): Use satisfies_constraint_J.
9074 (movhi, movqi): Use satisfies_constraint_I.
9076 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9078 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9079 for atmeg a645 device.
9081 2006-05-06 Richard Guenther <rguenther@suse.de>
9083 PR tree-optimization/27151
9084 * tree-vect-transform.c (vectorizable_condition): Punt on
9085 values that have a different type than the condition.
9087 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9090 * c-parser.c (c_parser_cast_expression): Only insert casts into
9091 hash table if pointer.
9092 * function.c (used_types_insert_helper): Rename from
9094 (used_types_insert): Call used_types_insert_helper.
9095 * function.h (used_types_insert): Accept only one argument.
9097 2006-05-05 David Edelsohn <edesohn@gnu.org>
9099 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9100 scratch with output modifier.
9102 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9105 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9106 with output modifier.
9108 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9111 * config/mips/mips.c (mips_symbolic_address_p): Return true
9112 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9113 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9115 2006-05-04 Richard Guenther <rguenther@suse.de>
9117 PR tree-optimization/14287
9118 PR tree-optimization/14844
9119 PR tree-optimization/19792
9120 PR tree-optimization/21608
9121 PR tree-optimization/27090
9122 * tree-ssa-pre.c (try_combine_conversion): New function.
9123 (compute_avail): After constructing the value-handle
9124 expression, use try_combine_conversion to combine NOP_EXPRs
9125 with previous value-handle expressions and use the result if it
9128 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9130 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9132 2006-05-04 Jan Hubicka <jh@suse.cz>
9135 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9137 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9139 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9140 that this only matches CONST_INTs. All users changed to VOIDmode
9143 * config/bfin/bfin.c: Include "optabs.h".
9144 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9146 (enum bfin_builtins): Add a number of fractional and vector builtins.
9147 (bfin_init_builtins): Likewise.
9148 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9149 (safe_vector_operand, bfin_expand_binop_builtin,
9150 bfin_expand_unop_builtin): New functions.
9151 (bfin_expand_builtin): Handle the new builtins.
9152 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9155 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9158 * Makefile.in (OBJS-common): Add see.o.
9159 (see.o): Add dependencies.
9160 * common.opt (fsee): New flag for the see optimization was added.
9161 * opts.c (flag_see): Initialized.
9162 * passes.c (init_optimization_passes, pass_see): New pass.
9163 * rtl.h (see_main): Declaration as extern.
9164 * timevar.def (TV_SEE): New.
9165 * tree-pass.h (pass_see): Declaration as extern.
9166 * invoke.texi (-fsee): Document.
9167 * recog.c (validate_simplify_insn): New function.
9168 * recog.h (validate_simplify_insn): Declaration as extern.
9169 * df-problems.c (df_chain_dump): Check for NULL.
9171 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9172 Daniel Berlin <dberlin@dberlin.org>
9174 * cfgrtl.c (insert_insn_bb_end_new): New function.
9175 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9177 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9179 * df.h (struct web_entry): Moved from web.c.
9180 (union_defs): Declaration as extern.
9181 (unionfind_root): Likewise.
9182 (unionfind_union): Likewise.
9183 * web.c (struct web_entry): Moved to df.h.
9184 (unionfind_root): Remove static declaration.
9185 (unionfind_union): Likewise.
9186 (union_defs): Likewise and generalize to use callback function.
9187 (web_main): Update arguments for union_defs function call.
9189 2006-05-04 Richard Guenther <rguenther@suse.de>
9191 PR tree-optimization/26447
9192 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9193 produce SSA_NAME copies before the store stmt to avoid
9194 breaking exception handling.
9196 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9199 * gimplify.c (omp_is_private): If var is shared in some outer context,
9200 return false instead of true. Stop searching on parallel context
9203 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9206 * coverage.c: Use get_gcov_unsigned_t() instead of
9207 unsigned_type_node all over.
9209 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9211 PR tree-optimization/27381
9212 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9213 maintain the same immediate_use links.
9214 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9215 node rather than segfaulting.
9217 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9220 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9221 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9222 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9224 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9226 Fix PR tree-optimization/26626
9227 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9229 * tree-ssa-operands.c (access_can_touch_variable): Allow
9230 typecasting through union pointers.
9232 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9235 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9236 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9237 to find if var will be a global variable even in the nested context.
9238 (omp_copy_decl): Only check for global variable at the end, it might
9239 be overridden in outer contexts.
9240 (scan_sharing_clauses): For global variables don't create a field.
9241 (lower_rec_input_clauses): Do nothing for global shared variables.
9242 Emit a barrier at the end of ILIST if there were any decls in both
9243 firstprivate and lastprivate clauses.
9244 (lower_send_clauses): Do nothing for global variables except for
9247 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9249 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9250 of the correct signedness is returned.
9252 2006-05-02 Jeff Law <law@redhat.com>
9254 PR tree-optimization/27364
9255 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9256 multiply expressions.
9258 2006-05-02 Tom Tromey <tromey@redhat.com>
9260 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9262 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9265 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9266 -mthumb -fPIC are used.
9268 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9269 Joshua Kinard <kumba@gentoo.org>
9272 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9273 with 64-bit pointers.
9275 2006-05-02 Paul Brook <paul@codesourcery.com>
9277 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9279 (create_fix_barrier): Check that a suitable barrier location is
9281 (arm_reorg): Include ftmp->address in allowable range of addresses.
9283 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9286 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9289 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9292 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9293 around RESULT_DECL for result passed by reference.
9294 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9295 * omp-low.c (use_pointer_for_field): Don't look at
9296 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9297 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9298 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9299 time or var for passing by reference for
9300 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9301 TREE_ADDRESSABLE variables when passing by reference.
9303 * omp-low.c (dump_omp_region): Fix output formatting.
9306 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9307 (expand_omp_parallel): Likewise.
9308 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9311 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9312 on statement list containing also constructors and destructors.
9313 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9316 * except.c (duplicate_eh_regions): Fix clearing of
9317 cfun->eh->region_array entries.
9319 2006-05-01 DJ Delorie <dj@redhat.com>
9321 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9323 (gcc_cv_objdump): Likewise.
9324 * configure: Regenerated.
9326 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9329 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9330 templates for case 3 and 4.
9332 2006-05-01 DJ Delorie <dj@redhat.com>
9334 * vec.c: Include bconfig.h when appropriate.
9335 * Makefile.in (build/vec.o): Adjust dependencies.
9336 * mkconfig.sh: Make sure config.h isn't used for build machine
9339 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9341 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9343 (mark_phi_for_rewrite): New function.
9344 (insert_phi_nodes_for, mark_use_interesting): Call
9345 mark_phi_for_rewrite.
9346 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9347 (update_ssa): Initialize and free phis_to_rewrite.
9349 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9351 PR rtl-optimization/27291
9352 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9353 folded to a constant.
9355 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9357 PR tree-optimization/27283
9358 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9359 not whole # of iteration descriptions.
9360 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9361 uses abnormal ssa name.
9362 (niter_for_single_dom_exit): Ditto.
9363 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9364 return just the number of iterations.
9366 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9368 PR tree-optimization/27144
9369 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9370 (record_estimate): Only record constant upper bound.
9371 (infer_loop_bounds_from_undefined): Call
9372 compute_estimated_nb_iterations just once.
9373 (proved_non_wrapping_p): Renamed to ...
9374 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9375 (convert_step_widening, scev_probably_wraps_p): Call
9376 n_of_executions_at_most instead of proved_non_wrapping_p.
9377 (substitute_in_loop_info): Do not replace values in bounds.
9378 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9381 2006-05-01 Richard Henderson <rth@redhat.com>
9384 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9385 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9388 2006-05-01 Roger Sayle <roger@eyesopen.com>
9390 * c-typeck.c (parser_build_binary_op): Don't call the function
9391 unsigned_conversion_warning to spot operand/result type overflow.
9392 (build_binary_op): Instead, call convert_and_check instead of
9393 convert to report the problem when the operands are promoted.
9394 * c-common.c (unsigned_conversion_warning): Make static.
9395 * c-common.h (unsigned_conversion_warning): Delete prototype.
9397 2006-05-01 Richard Guenther <rguenther@suse.de>
9399 PR tree-optimization/26726
9400 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9402 (find_interesting_uses_address): ... we work around here
9403 by folding INDIRECT_REFs in the substituted base.
9405 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9407 * omp-low.c (dump_omp_region): Add newlines.
9409 2006-04-30 Roger Sayle <roger@eyesopen.com>
9411 * common.opt (Woverflow): New command line option.
9412 * c-common.c (constant_expression_warning): Check warn_overflow.
9413 (overflow_waring): Pass OPT_Woverflow to warning.
9414 (unsigned_conversion_warning): Likewise.
9415 (convert_and_check): Likewise.
9416 * doc/invoke.texi: Document new command line option.
9418 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9420 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9421 TARGET_NO_FP_IN_TOC for section anchors.
9422 (optimization_options): Enable section anchors for all
9423 non-"Objective" languages.
9425 2006-04-28 Eric Christopher <echristo@apple.com>
9427 * config/darwin-c.c (darwin_ms_struct): Move this
9428 (darwin_set_default_type_attributes): and this...
9429 * config/darwin.c: ... here.
9430 * config/darwin.h (darwin_ms_struct): Declare.
9432 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9434 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9436 2006-04-28 Roger Sayle <roger@eyesopen.com>
9439 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9440 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9441 an unsigned HOST_WIDE_INT.
9442 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9444 (really_start_incremental_init): No need to call convert because
9445 bitsize_zero_node is already of type bitsizetype.
9446 (push_init_level): Extract the value of constructor_index as an
9447 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9448 (process_init_element): Likewise.
9450 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9452 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9453 value before passing to make_relative_prefix.
9455 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9458 * builtins.c (expand_builtin_memset): Expand val in original mode.
9460 2006-04-27 Eric Christopher <echristo@apple.com>
9462 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9463 with #ifndef/#endif.
9464 * config/darwin-c.c (darwin_ms_struct): New.
9465 (darwin_pragma_ms_struct): Ditto.
9466 (darwin_set_default_type_attributes): Ditto.
9467 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9468 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9469 Register ms_struct pragma.
9470 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9471 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9472 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9473 darwin_set_default_type_attributes if TARGET_MACHO.
9475 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9477 PR tree-optimization/26854
9478 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9479 * doc/tree-ssa.texi: Update immuse iterator documentation.
9480 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9481 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9482 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9483 first_safe_imm_use, next_safe_imm_use): Remove.
9484 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9485 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9486 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9487 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9488 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9489 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9490 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9491 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9492 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9493 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9494 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9495 (perfect_nestify): Use new iterator.
9496 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9498 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9499 (next_imm_name): New field in struct immediate_use_iterator_d.
9500 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9501 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9502 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9503 * tree-cfg.c (replace_uses_by): Use new iterator.
9504 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9505 * tree-ssa-operands.c (correct_use_link): Remove.
9506 (finalize_ssa_use_ops): No longer call correct_use_link.
9508 2006-04-27 Stuart Hastings <stuart@apple.com>
9510 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9511 * config/t-darwin (crt3.o): Use it.
9512 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9513 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9514 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9515 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9516 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9519 2006-04-27 Roger Sayle <roger@eyesopen.com>
9521 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9522 size, force the intermediate into a new pseudo rather instead of
9523 performing both a bitwise AND and a bitwise IOR in memory.
9525 2006-04-27 Richard Guenther <rguenther@suse.de>
9527 PR rtl-optimization/26685
9528 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9529 this one "max-flow-memory-locations".
9531 2006-04-27 Richard Guenther <rguenther@suse.de>
9533 PR tree-optimization/25148
9534 * tree-vrp.c (compare_values): Remove code dealing with
9535 comparisons against type min/max value. Honour overflow
9536 and negative constants in code dealing with comparisons
9537 of plus and minus expressions.
9538 (value_inside_range): Use fold_binary with LE_EXPR and
9539 GE_EXPR rather than compare_values.
9541 2006-04-27 Dirk Mueller <dmueller@suse.de>
9543 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9546 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9548 * basic-block.h (safe_insert_insn_on_edge): Removed.
9549 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9551 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9552 Paolo Bonzini <bonzini@gnu.org>
9555 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9556 (simplify_and_const_int): Same.
9558 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9560 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9562 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9565 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9566 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9567 cgraph_global_info_ready.
9570 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9573 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9574 either decl or init is error_mark_node.
9577 * tree-flow.h (struct omp_region): Add sched_kind.
9578 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9579 instead of extracting omp for data.
9580 (expand_omp_for): Save extracted sched_kind.
9582 2006-04-25 Roger Sayle <roger@eyesopen.com>
9584 * expmed.c (store_bit_field): Also check whether the bitsize is
9585 valid for the machine's "insv" instruction before moving the
9586 target into a pseudo for use with the insv.
9587 * config/i386/predicates.md (const8_operand): New predicate.
9588 * config/i386/i386.md (extv, extzv, insv): Use the new
9589 const8_operand predicate where appropriate.
9591 2006-04-25 DJ Delorie <dj@redhat.com>
9593 * doc/install.texi (Specific): Clarify that this is not a list of
9594 supported hosts or targets.
9596 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9598 PR rtl-optimization/26725
9599 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9600 block's BB_DIRTY flag.
9602 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9604 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9607 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9608 to print an integer.
9610 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9612 * varasm.c (align_variable): New function.
9613 (get_block_for_decl): Apply align_variable to DECL before
9614 calculating section information.
9615 (assemble_variable): Split out alignment computation.
9617 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9619 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9622 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9624 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9625 MODE_PARTIAL_INT mode.
9626 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9627 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9629 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9630 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9632 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9634 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9636 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9637 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9638 MACFLAG_IH): Likewise.
9639 (movstricthi_1): Renamed from "*movstricthi".
9640 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9641 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9642 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9643 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9644 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9645 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9646 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9647 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9648 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9649 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9650 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9651 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9652 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9653 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9654 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9656 * doc/rtl.texi (ss_ashift): Improve wording.
9658 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9660 * dwarf2out.c (verify_marks_clear): New.
9661 (prune_unused_types): Call verify_marks_clear initially, not
9664 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9666 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9667 * doc/rtl.texi: Document them.
9668 * simplify-rtx.c (simplify_unary_operation,
9669 simplify_binary_operation_1): Don't abort when we see them.
9671 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9674 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9675 * configure.ac: Completely disregard languages that are not
9677 * configure: Regenerated.
9679 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9680 Richard Guenther <rguenther@suse.de>
9682 PR tree-optimization/27236
9683 * tree-inline.c (copy_body_r): Make sure to copy
9684 TREE_THIS_VOLATILE flag.
9686 2006-04-24 Richard Guenther <rguenther@suse.de>
9689 * tree-complex.c (update_parameter_components): Don't handle
9690 unused parameters which have no default def.
9692 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9693 Richard Guenther <rguenther@suse.de>
9695 PR tree-optimization/27218
9696 * tree-inline.c (expand_call_inline): Strip useless type
9697 conversions for the return slot address.
9699 2006-04-24 Richard Guenther <rguenther@suse.de>
9701 * cfgloop.h (struct loops): Remove unused field array. Reorder
9703 (LOOP_PREFETCH): Remove.
9705 2006-04-24 Richard Guenther <rguenther@suse.de>
9707 PR tree-optimization/22525
9708 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9709 variable, adjust types of generated expressions.
9711 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9713 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9714 (tree-vect-patterns.o): Likewise.
9716 (cselib.o): Likewise.
9717 (loop-doloop.o): Likewise.
9718 (regclass.o): Likewise.
9719 (reload1.o): Likewise.
9720 (explow.o): Replace target.h with $(TARGET_H).
9721 (ipa-prop.o): Likewise.
9722 (ipa-cp.o): Likewise.
9723 (ipa-inline.o): Likewise.
9724 (reorg.o): Likewise.
9725 (reg-stack.o): Likewise.
9727 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9729 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9731 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9733 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9735 * configure.ac: Completely disregard languages that are not
9737 * configure: Regenerated.
9740 * c-common.h (c_build_bitfield_integer_type): Declare.
9741 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9742 * c-common.c (c_build_bitfield_integer_type): ... here.
9744 2006-04-23 Roger Sayle <roger@eyesopen.com>
9747 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9748 a SImode SUBREG of a floating point register after no_new_pseudos.
9750 2006-04-23 Roger Sayle <roger@eyesopen.com>
9752 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9753 identify potentially eliminable registers to additionally catch
9754 VIRTUAL_INCOMING_ARGS_REGNUM.
9755 (addsi3): Update the conditions on when to use addsi_small_int.
9757 2006-04-23 Roger Sayle <roger@eyesopen.com>
9760 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9761 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9762 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9764 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9766 * fold-const.c (range_predecessor): Use operand_equal_p
9767 as the predicate for equality.
9768 (range_successor): Likewise.
9770 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9773 * config/soft-fp/op-common.h: Fix a typo.
9775 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9778 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9779 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9781 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9783 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9785 * doc/tm.texi: Fix a typo.
9787 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9789 * dwarf2out.c (struct die_struct): Document that die_sib makes
9790 a circular linked list.
9791 (FOR_EACH_CHILD): New.
9792 (reverse_die_lists): Delete.
9793 (reverse_all_dies): Delete.
9794 (add_dwarf_attr): Correct documentation.
9795 (remove_child_with_prev): New.
9796 (remove_child_TAG): Update for change to die_struct, use
9797 remove_child_with_prev.
9798 (add_child_die): Update for change to die_struct.
9799 (splice_child_die): Use remove_child_with_prev and add_child_die.
9800 (print_die): Use FOR_EACH_CHILD.
9801 (die_checksum): Likewise.
9802 (assign_symbol_names): Likewise.
9803 (output_location_lists): Likewise.
9804 (build_abbrev_table): Likewise.
9805 (calc_die_sizes): Likewise.
9806 (mark_dies): Likewise.
9807 (unmark_dies): Likewise.
9808 (unmark_all_dies): Likewise.
9809 (output_die): Likewise.
9810 (prune_unused_types_mark): Likewise.
9811 (prune_unused_types_walk): Likewise.
9812 (same_die_p): Update for change to die_struct.
9813 (break_out_includes): Likewise.
9814 (prune_unused_types_prune): Likewise.
9815 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9816 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9818 (dwarf2out_finish): Don't call reverse_all_dies.
9820 2006-04-21 Eric Christopher <echristo@apple.com>
9822 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9823 in comments and function names.
9825 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9828 * c-typeck.c (digest_init): Robustify.
9830 * c-typeck.c (pop_init_level): Simplify.
9832 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9834 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9836 2006-04-21 Paul Brook <paul@codesourcery.com>
9838 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9839 hardware floating point.
9841 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9843 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9846 2006-04-21 Nick Clifton <nickc@redhat.com>
9848 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9851 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9854 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9855 C++ lang type in traceback table for Objective-C++.
9857 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9859 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9861 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9863 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9866 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9867 were errors. Remove check for erroneous objects.
9869 2006-04-20 Jeff Law <law@redhat.com>
9871 PR tree-optimization/26854
9872 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9873 checking for zero or one use.
9874 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9875 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9876 * tree-ssa-reassoc.c (negate_value): Similarly.
9877 (reassociate_bb): Similarly.
9879 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9881 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9882 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9883 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9885 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9887 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9888 fp regs if the last fp arg doesn't fit in regs.
9890 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9893 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9894 that the last insn has the REG_INC note.
9896 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9897 Nathan Sidwell <nathan@codesourcery.com>
9900 * stor-layout.c (update_alignment_for_field): Do not align
9902 (place_union_field): Place union field at the start of the union.
9903 (place_field): Move ERROR_MARK check later, and use the current
9904 allocation position to maintain monotonicity.
9906 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9908 * dominance.c: Include timevar.h.
9909 (calculate_dominance_info): Use TV_DOMINANCE.
9910 * timevar.def (TV_DOMINANCE): New timevar.
9911 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9913 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9915 PR rtl-optimization/14261
9916 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9917 move would be an INSV insn.
9918 (noce_process_if_block): Don't optimize if the destination is a
9919 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9921 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9923 * config/s390/s390.md: Add comments with the instructions emitted
9924 by an insn pattern if macros are used.
9926 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9928 PR rtl-optimization/26026
9929 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9930 is a known power of two shifted left a variable amount.
9932 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9934 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9935 to hash table twice when the debug_str section has SECTION_MERGE.
9937 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9939 * config/soft-fp: New directory. From glibc.
9940 * config/soft-fp/t-softfp: New.
9941 * config/soft-fp/README: New.
9942 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9943 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9944 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9945 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9946 * config.gcc: Use rs6000/t-fprules-fpbit or
9947 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9949 * config/rs6000/sfp-machine.h: New. Based on glibc.
9950 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9952 * config/rs6000/t-fprules: Remove fp-bit rules.
9953 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9954 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9955 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9956 (softfp_wrap_start, softfp_wrap_end): New.
9958 2006-04-18 DJ Delorie <dj@redhat.com>
9960 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9962 2006-04-18 Devang Patel <dpatel@apple.com>
9964 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9966 2006-04-18 Nick Clifton <nickc@redhat.com>
9968 * config/sh/t-symbian: Add rule to build sh-c.o
9969 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9970 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9971 (sh_symbian_encode_section_info): Likewise.
9973 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9975 * builtins.c (expand_builtin_strcmp): Cover label definition of
9976 do_libcall with HAVE_cmpstrnsi.
9978 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9980 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9982 * function.h (temp_slot_p): New.
9983 (function): Change the type of x_used_temp_slots to
9984 VEC(temp_slot_p,gc) *.
9986 2006-04-18 Nick Clifton <nickc@redhat.com>
9988 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9989 flag_strength_reduce.
9991 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9993 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9997 Partial revert of revision 112637
9998 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9999 Dale Johannesen <dalej@apple.com>
10002 * regclass.c (struct reg_pref): Update documentation.
10003 (regclass): Set prefclass to NO_REGS if memory is the best option.
10004 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10006 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10008 PR tree-optimization/26821
10009 * tree-ssa-math-opts.c (get_constant_one): New.
10010 (insert_reciprocals): Use it.
10012 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10014 * dwarf2out.c (free_AT): Delete.
10015 (remove_AT): Update string ref counts.
10016 (remove_child_TAG): Don't call free_die.
10017 (free_die): Delete.
10018 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10019 or DW_TAG_GNU_EINCL.
10020 (prune_unused_types_walk_attribs): Reset string refcounts.
10021 (prune_unused_types_update_strings): New.
10022 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10023 call free_die. Do call prune_unused_types_update_strings.
10024 (prune_unused_types): Empty debug_str_hash.
10026 2006-04-17 Roger Sayle <roger@eyesopen.com>
10028 * expr.c (expand_assignment): Optimize away no-op moves where the
10029 source and destination are equal and have no side-effects.
10031 2006-04-17 Richard Guenther <rguenther@suse.de>
10034 * reload.c (push_reload): Guard calls to get_secondary_mem
10035 for memory subregs.
10037 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10039 * alias.c (reg_base_value, old_reg_base_value): Change the
10040 type to VEC(rtx,gc) *.
10041 (REG_BASE_VALUE, find_base_value, record_set,
10042 init_alias_analysis): Use VEC instead of VARRAY.
10044 * alias.c (alias_sets): Change the type to
10045 VEC(alias_set_entry,gc) *.
10046 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10047 VEC instead of VARRAY.
10048 (last_alias_set): Remove.
10050 * cgraph.h (cgraph_edge_p): New.
10051 Update the prototype of cgraph_function_versioning.
10052 * cgraphunit.c (cgraph_copy_node_for_versioning,
10053 cgraph_function_versioning): Use VEC instead of VARRAY.
10054 * ipa-cp.c (ipcp_insert_stage): Likewise.
10056 2006-04-16 Roger Sayle <roger@eyesopen.com>
10059 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10060 "A op B" or "A op C", we may need to convert A to the type of B and C.
10062 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10064 * target.h (struct gcc_target): Add mode_rep_extended.
10065 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10066 (init_num_sign_bit_copies_in_rep): Initialize it using
10068 (truncate_to_mode): Use it.
10069 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10070 * targhooks.h (default_mode_rep_extended): Declare it.
10071 * targhooks.c (default_mode_rep_extended): Define it.
10072 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10073 default_mode_rep_extended.
10074 (TARGET_INITIALIZER): Include it.
10075 * doc/tm.texi (Misc): Document it.
10076 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10077 (mips_truncated_to_mode): New function.
10079 2006-04-16 Roger Sayle <roger@eyesopen.com>
10081 PR middle-end/25474
10082 * expr.c (compress_float_constant): Copy the narrow constant into
10083 a new pseudo before extending it to its final width.
10085 2006-04-16 Roger Sayle <roger@eyesopen.com>
10086 Andrew Pinski <pinskia@gcc.gnu.org>
10087 Dale Johannesen <dalej@apple.com>
10090 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10091 special case code to implement V8HImode and V16QImode with SSE2.
10093 2006-04-15 Roger Sayle <roger@eyesopen.com>
10095 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10096 trees are constructed with a suitable tree type.
10098 2006-04-15 Roger Sayle <roger@eyesopen.com>
10100 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10101 (integer_onep): Likewise.
10102 (integer_all_onesp): Likewise.
10103 (integer_pow2p): Likewise.
10104 (integer_nonzerop): Likewise.
10105 (real_zerop): Likewise.
10106 (real_onep): Likewise.
10107 (real_twop): Likewise.
10108 (real_minus_onep): Likewise.
10109 (int_size_in_bytes): Likewise.
10110 (host_integerp): Likewise.
10112 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10114 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10115 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10116 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10118 * tree-ssa-structalias.h (alias_info): Remove num_references.
10120 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10122 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10123 (output_bvb patterns): Likewise.
10124 * pa.c (output_bb): Use 'bb' insn for long branch case.
10125 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10126 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10127 1. Correct length operand for alternatives 1 and 2.
10128 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10129 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10131 2006-04-14 Roger Sayle <roger@eyesopen.com>
10133 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10134 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10135 were accidentally reverted by r112959.
10137 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10139 PR middle-end/26823
10140 * except.h (eh_region_outermost): New prototype.
10141 * except.c (eh_region_outermost): New function.
10142 * tree-cfg.c (find_outermost_region_in_block): Use it.
10144 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10146 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10148 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10149 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10150 (init_reload, reload): Use VEC instead of VARRAY.
10151 * reload.h: Update the prototype for
10152 reg_equiv_memory_loc_varray.
10154 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10155 Eric Botcazou <ebotcazou@libertysurf.fr>
10157 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10158 register save area.
10160 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10162 PR middle-end/27134
10163 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10164 to expand fallback builtin function call.
10166 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10168 PR middle-end/27095
10169 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10170 and emit libcall here in case the builtin fails.
10171 (expand_builtin_strcmp): Always emit the libcall here on failure.
10173 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10175 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10176 * flow.c (reg_n_info): Change the type to
10177 VEC(reg_info_p,heap) *.
10178 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10180 * regs.h (reg_info_p): New.
10181 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10182 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10183 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10186 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10188 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10190 * params.h (MAX_SCHED_READY_INSNS): New macro.
10191 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10192 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10193 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10194 the ready list for 1 cycle during the first scheduling pass.
10195 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10197 2006-04-13 Richard Henderson <rth@redhat.com>
10200 * gimple-low.c (lower_omp_directive): Remove dead code.
10201 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10202 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10203 * omp-low.c (struct omp_region): Move to tree-flow.h.
10204 (root_omp_region): Export.
10205 (omp_regions, lookup_omp_region): Remove.
10206 (determine_parallel_type): Update for struct omp_region changes.
10207 (dump_omp_region): Dump regions with block numbers.
10208 (new_omp_region): Take type and block instead of stmt; malloc
10210 (free_omp_region_1, free_omp_regions): New.
10211 (expand_parallel_call): Take entry_stmt as argument; update for
10212 changes to omp_region.
10213 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10214 (remove_exit_barriers): New.
10215 (expand_omp_parallel): Update for struct omp_region changes.
10216 (expand_omp_synch): Likewise.
10217 (expand_omp): Likewise.
10218 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10219 (expand_omp_for_static_chunk): Likewise.
10220 (expand_omp_for): Likewise.
10221 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10222 (expand_omp_sections): Similarly, with GOMP_sections_end.
10223 (expand_omp_single): New.
10224 (build_omp_regions_1): Update for OMP_CONTINUE.
10225 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10226 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10227 OMP_SECTIONS_SECTIONS.
10228 (lower_omp_single_simple): Don't emit barrier here.
10229 (lower_omp_single_copy): Likewise.
10230 (lower_omp_single): Fix bindings, and lower to straightline now.
10231 (lower_omp_master, lower_omp_ordered): Likewise.
10232 (lower_omp_critical): Likewise.
10233 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10234 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10235 omp edges, free it afterward.
10236 (make_omp_sections_edges): Remove.
10237 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10238 (move_stmt_r): Handle OMP_CONTINUE.
10239 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10240 statement pointers to basic blocks. Add type member.
10241 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10242 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10243 * tree-inline.c (estimate_num_insns_1): Likewise.
10244 * tree-pretty-print.c (dump_generic_node): Likewise.
10245 * tree-ssa-operands.c (get_expr_operands): Likewise.
10246 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10247 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10248 (OMP_CONTINUE): New.
10249 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10250 (OMP_SECTIONS_SECTIONS): Remove.
10251 (OMP_SECTION_LAST): New.
10252 (OMP_RETURN_NOWAIT): New.
10254 2006-04-13 Roger Sayle <roger@eyesopen.com>
10256 * fold-const.c (native_encode_vector, native_interpret_real):
10257 Correct obvious mistakes in the previous check-in.
10259 2006-04-13 Roger Sayle <roger@eyesopen.com>
10261 * fold-const.c (native_encode_expr): New function to encode
10262 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10263 or VECTOR_CST into a specified buffer.
10264 (native_encode_int): New function.
10265 (native_encode_real): New function.
10266 (native_encode_complex): New function.
10267 (native_encode_vector): New function.
10268 (native_interpret_expr): Inverse of native_encode_expr to convert
10269 a target representation into an INTEGER_CST, REAL_CST etc...
10270 (native_interpret_int): New function.
10271 (native_interpret_real): New function.
10272 (native_interpret_complex): New function.
10273 (native_interpret_vector): New function.
10274 (fold_view_convert_expr): New function to constant fold/evaluate
10275 a VIEW_CONVERT_EXPR of a suitable constant expression.
10276 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10277 Change call of build1 to fold_build1 when constructing a
10280 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10281 Ulrich Weigand <uweigand@de.ibm.com>
10284 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10287 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10290 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10291 optimize to lo_sum for DFmode if !TARGET_FPRS.
10293 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10295 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10296 delete_alias_info, compute_flow_sensitive_aliasing,
10297 group_aliases): Use VEC instead of VARRAY.
10298 * tree-ssa-structalias.c (update_alias_info): Likewise.
10299 * tree-ssa-structalias.h (alias_info): Change the type of
10300 processed_ptrs to VEC(tree,heap) *.
10302 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10305 * config/sh/lib1funcs.h: New file, broken out of:
10306 * config/sh/lib1funcs.asm.
10307 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10309 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10310 * config/sh/lib1funcs-Os-4-200.asm: New file.
10311 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10312 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10313 (EXTRA_MULTILIB_PARTS): Include it.
10314 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10315 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10316 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10317 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10320 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10322 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10323 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10324 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10326 * tree-ssa-live.h: Include vecprim.h.
10327 (tree_partition_associator_d): Change the type of
10328 first_partition to VEC(int,heap) *.
10329 (tpa_first_partition): Use VEC instead of VARRAY.
10331 * Makefile.in (GTFILES): Move functions.h after tree.h.
10332 * function.c (reset_block_changes, record_block_change,
10333 check_block_change, free_block_changes): Use VEC instead of
10335 * function.h (function): Change the type of
10336 ib_boundaries_block to VEC(tree,gc) *.
10337 * tree-inline.c (copy_cfg_body): Initialize
10338 ib_boundaries_block to NULL instead of (varray_type) 0.
10340 2006-04-12 Roger Sayle <roger@eyesopen.com>
10342 * expr.c (emit_group_store): Correct operand order in call to
10343 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10344 a SUBREG_BYTE of zero.
10346 2006-04-12 Richard Guenther <rguenther@suse.de>
10348 * profile.c (compute_branch_probabilities): Remove code
10349 encapsulated in !ir_type (), which are remanents of the
10350 removed RTL profiling code.
10351 * rtl-profile.c: Remove.
10353 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10355 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10356 magic NULL_RTX comment.
10357 (function_arg): Store entire fp arg to mem if any part should go
10359 (rs6000_arg_partial_bytes): Adjust for above change.
10361 2006-04-11 Roger Sayle <roger@eyesopen.com>
10363 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10364 if it hasn't been initialized by dwarf2out_init.
10366 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10368 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10369 symbolic constants in branch patterns.
10371 2006-04-11 Roger Sayle <roger@eyesopen.com>
10373 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10375 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10377 PR rtl-optimization/27073
10378 * gcse.c (try_replace_reg): Revert last change. Continue to search
10379 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10382 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10384 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10385 aggregate types other than record and union types.
10386 (function_arg): Likewise.
10387 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10389 (function_value): In 64-bit mode, return objects that require it
10392 2006-04-11 Roger Sayle <roger@eyesopen.com>
10394 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10396 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10398 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10400 2006-04-03 Jeff Law <law@redhat.com>
10403 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10404 alias information too.
10406 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10408 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10410 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10413 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10414 (premark_used_types_helper): New.
10415 (premark_used_types): New.
10416 (gen_subprogram_die): Call premark_used_types.
10417 (prune_unused_types_walk): Do not prune perennial dies.
10418 * function.c (used_types_insert): New.
10419 * function.h (struct function): Add used_types_hash field.
10420 (used_types_insert): Add prototype.
10421 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10422 * c-parser.c (c_parser_cast_expression): Save casted types in used
10425 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10428 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10429 rs6000_explicit_options.float_gprs.
10431 2006-04-10 Roger Sayle <roger@eyesopen.com>
10433 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10434 from ix86_expand_vector_init_low_nonzero. Take an additional
10435 one_var argument indicating which element is non-zero. Support
10436 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10437 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10438 with one_var instead of ix86_expand_vector_init_low_nonzero.
10440 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10442 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10443 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10444 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10445 build/genextract.o): Depend on vecprim.h.
10446 * cfglayout.c, df-problems.c, function.c, genextract.c,
10447 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10448 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10452 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10454 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10455 Declare VECs of this type.
10456 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10457 (remove_children): Delete.
10458 (add_dwarf_attr): Use VEC routines.
10459 (add_AT_flag): Update for changes to add_dwarf_attr.
10460 (add_AT_int): Likewise.
10461 (add_AT_unsigned): Likewise.
10462 (add_AT_long_long): Likewise.
10463 (add_AT_vec): Likewise.
10464 (add_AT_string): Likewise.
10465 (add_AT_die_ref): Likewise.
10466 (add_AT_fde_ref): Likewise.
10467 (add_AT_loc): Likewise.
10468 (add_AT_loc_list): Likewise.
10469 (add_AT_addr): Likewise.
10470 (add_AT_lbl_id): Likewise.
10471 (add_AT_lineptr): Likewise.
10472 (add_AT_macptr): Likewise.
10473 (add_AT_offset): Likewise.
10474 (add_AT_range_list): Likewise.
10475 (get_AT): Use VEC_iterate.
10476 (remove_AT): Use VEC_ordered_remove.
10477 (free_die): Fold remove_children into here; have it use VEC_iterate.
10478 (print_die): Use VEC_iterate on attrs.
10479 (reverse_die_lists): Don't reverse attr lists.
10480 (die_checksum): Use VEC_iterate on attrs.
10481 (same_die_p): Likewise.
10482 (output_location_lists): Likewise.
10483 (build_abbrev_table): Likewise.
10484 (size_of_die): Likewise.
10485 (unmark_all_dies): Likewise.
10486 (output_abbrev_section): Likewise.
10487 (output_die): Likewise.
10488 (prune_unused_types_walk_attribs): Likewise.
10490 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10492 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10494 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10497 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10499 2006-04-09 Roger Sayle <roger@eyesopen.com>
10501 * expr.c (store_constructor): Don't bother clearing target if
10502 we're about to assign a vector to it using vec_init_optab.
10504 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10506 * tree-ssa-alias.c (lhs_may_store_to): New function.
10507 (recalculate_used_alone): Handle LHS of calls.
10509 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10513 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10514 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10515 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10516 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10517 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10518 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10519 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10520 stubs. Add ".align 8" directives before all ".dword" directives.
10521 (GTHREAD_USE_WEAK): Revise comment.
10522 (TARGET_ATTRIBUTE_WEAK): Define.
10523 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10524 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10525 * stublib.c: New file.
10530 * pa.md (cbranch patterns): Revise arguments used in calls to
10531 output_cbranch, output_bb and output_bvd. Add long branch length
10533 (fbranch patterns): Handle long branches.
10534 (jump): Revise length check. Revise arguments for output_lbranch call.
10535 Add long branch length attributes.
10536 (decrement_and_branch_until_zero): Add long branch length attributes.
10537 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10538 Likewise. Revise arguments for output_parallel_addb and
10539 output_parallel_movb calls.
10540 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10541 output_parallel_movb and output_parallel_addb): Update prototypes.
10542 * pa.c (output_cbranch): Revise arguments. Correct handling of
10543 nullification in long branches.
10544 (output_lbranch): Add new argument to control extraction of delay
10546 (output_bb): Handle long branches.
10547 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10548 output_parallel_addb): Likewise.
10550 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10552 PR rtl-optimization/27073
10553 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10556 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10558 * tree.h (tree_memory_tag): Add old_used_alone.
10559 (SMT_OLD_USED_ALONE): New macro.
10560 * tree-ssa-alias.c (recalculate_used_alone): Stop
10561 marking things for renaming unnecessarily.
10563 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10565 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10566 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10567 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10568 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10569 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10570 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10571 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10572 spelling convensions.
10573 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10574 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10575 typos. Follow spelling conventions.
10577 2006-04-07 DJ Delorie <dj@redhat.com>
10579 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10580 passed on the stack.
10581 (m32c_init_cumulative_args): When a function returns a structure,
10582 always pass the pointer to that return area on the stack.
10583 (m32c_function_arg_advance): Don't increment the parameter number
10584 if we're processing the returned structure pointer.
10585 (pushm_info): Reverse order of registers.
10587 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10589 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10590 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10591 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10592 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10593 build_int_cst_type.
10594 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10595 chrec_fold_multiply): Same.
10596 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10597 force_expr_to_var_cost): Same.
10598 * tree-mudflap.c (mf_xform_derefs_1): Same.
10599 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10601 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10603 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10604 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10607 2006-04-07 Jan Hubicka <jh@suse.cz>
10609 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10611 2006-04-07 Richard Guenther <rguenther@suse.de>
10613 PR tree-optimization/26135
10614 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10615 loads for store copy-prop.
10616 (copy_prop_visit_stmt): Likewise.
10618 2006-04-05 Robert Millan <robertmh@gnu.org>
10620 * config/i386/linux.h: Add a comment to mark macros that are
10621 being overriden in config/k*bsd-gnu.h.
10622 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10624 * config/knetbsd-gnu.h: Ditto.
10626 2006-04-06 Jan Hubicka <jh@suse.cz>
10630 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10633 2006-04-06 Mike Stump <mrs@apple.com>
10635 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10636 for HAVE_nonlocal_goto to be consistent.
10637 (expand_builtin_nonlocal_goto): Likewise.
10638 (expand_builtin_strcmp): Use #ifdef instead of #if
10639 for HAVE_cmpstrnsi to be consistent.
10641 2006-04-05 DJ Delorie <dj@redhat.com>
10643 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10646 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10648 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10649 got-relative addressing for anything but SImode.
10651 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10652 even if the calling function doesn't modify them.
10654 2006-04-05 Richard Guenther <rguenther@suse.de>
10656 PR tree-optimization/26919
10657 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10658 to cgraph_estimate_size_after_inlining.
10660 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10662 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10664 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10666 PR tree-optimization/26996
10667 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10668 VECTOR_TYPE variables.
10670 2006-04-05 Richard Guenther <rguenther@suse.de>
10672 PR tree-optimization/26763
10673 * fold-const.c (fold_comparison): Move folding of
10674 PTR + CST CMP PTR + CST ...
10675 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10677 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10679 * doc/install.texi (Prerequisites): Refine some wording on
10680 bootstrapping and ksh.
10681 Move the version numbers of DejaGnu here from the testing section
10682 and fix casing of names.
10683 Fix markup and clarify wording for autogen requirements.
10684 Refer to GCJ instead of just java.
10685 Refer to SVN instead of CVS.
10686 Describe diffutils as useful instead of necessary.
10687 (Downloading the source): Refer to SVN instead of CVS.
10688 Adjust a link to our web site accordingly.
10689 (Configuration): Fix casing of Bison.
10690 (Building): Refer to SVN instead of CVS.
10691 Fix a sentence on the use of Bison and remove duplicate (and
10692 incorrect) version number of Bison requirement.
10693 Remove one redundant list of packages needed for building.
10694 (Specific): Avoid reference to CVS.
10696 2006-04-04 Eric Christopher <echristo@apple.com>
10698 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10699 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10700 (rs6000_handle_struct_attribute): New.
10701 (rs6000_ms_bitfield_layout_p): Ditto.
10703 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10705 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10706 NULL for dso parameter to atexit_common.
10708 2006-04-04 Eric Christopher <echristo@apple.com>
10710 * config/i386/i386.c (machopic_output_stub): Output \t
10711 between instructions and operands.
10713 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10715 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10716 satisfies_constraint_[IL] to explicit tests on value.
10718 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10720 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10721 set_nb_iterations_in_loop): Use build_int_cst instead of
10722 build_int_cst_type.
10723 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10724 build_int_cst instead of convert.
10726 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10728 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10729 new value 2 for incoming.
10730 * function.c (expand_function_start): Call struct_value_rtx
10731 with incoming as 2.
10732 * config/sparc/sparc.md: Comment updated_return.
10733 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10734 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10735 struct return if sparc_std_struct_return and incoming is 2.
10736 (print_operand): Do not adjust return if
10737 sparc_std_struct_return.
10739 2006-04-04 Roger Sayle <roger@eyesopen.com>
10741 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10742 convert in the middle-end.
10743 * expr.c (store_expr, store_constructor, get_inner_reference,
10744 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10746 * tree.c (build_range_type): Likewise.
10748 2006-04-04 Tom Tromey <tromey@redhat.com>
10750 * doc/install.texi (Prerequisites): Mention jar.
10752 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10754 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10757 2006-04-04 Matthias Klose <doko@debian.org>
10759 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10763 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10766 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10768 * doc/extend.texi (Function Attributes): Rewrite visibility
10769 attribute documentation.
10770 * doc/invoke.texi (C++ Dialect Options): Rewrite
10771 -fvisibility-inlines-hidden documentation to describe something
10772 entirely different, although in practise compatible.
10773 (Code Gen Options): Warn about system headers in -fvisibility=
10776 * doc/extend.texi (Other Builtins): Document that
10777 __builtin_nan is a compile-time constant only when its argument
10780 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10782 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10783 trying to remove TRUNCATE check if all bits outside the new mode
10784 are identical to the sign bit.
10786 2006-04-03 Jeff Law <law@redhat.com>
10788 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10789 and operand scanning in some common cases.
10791 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10792 Dale Johannesen <dalej@apple.com>
10795 * regclass.c (struct reg_pref): Update documentation.
10796 (regclass): Set prefclass to NO_REGS if memory is the best option.
10797 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10798 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10799 into account. For non-registers, equate an empty preferred
10800 reload class to a `!' in the constraint; move the if clause to
10801 do so after those that reject the insn.
10802 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10804 (find_dummy_reload): Likewise.
10805 * doc/tm.texi (Register Classes): Document what it means
10806 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10807 * config/i386/i386.c (ix86_preferred_reload_class): Force
10808 using SSE registers (and return NO_REGS for floating-point
10809 constants) if math is done with SSE.
10810 (ix86_preferred_output_reload_class): New.
10811 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10812 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10813 * config/i386/i386.md: Remove # register preferences.
10815 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10818 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10819 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10820 the type of nb_iter.
10821 (instantiate_parameters_1): Convert the operands before calling
10822 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10823 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10825 2006-04-02 Roger Sayle <roger@eyesopen.com>
10827 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10828 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10829 instead of convert.
10830 * dojump.c (do_jump): Likewise.
10831 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10832 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10833 gimplify_boolean_expr): Likewise.
10834 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10835 * varasm.c (array_size_for_constructor): Likewise.
10836 * tree-object-size.c (compute_object_offset): Likewise.
10838 2006-04-02 Roger Sayle <roger@eyesopen.com>
10840 PR middle-end/26977
10841 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10842 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10844 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10846 PR tree-optimization/26939
10847 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10849 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10851 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10852 at_stmt. Convert the type of operands before calling
10853 build_polynomial_chrec.
10854 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10855 add_to_evolution_1.
10856 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10857 (instantiate_parameters_1): Convert the type of operands before calling
10858 build_polynomial_chrec.
10859 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10860 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10861 reset_evolution_in_loop): Insert asserts to check the types of the
10863 (chrec_type): Moved...
10864 (eq_evolutions_p): Use operand_equal_p.
10865 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10866 the types of the operands.
10867 (chrec_type): ...here.
10868 * tree-data-ref.c (create_data_ref): Convert the operands before
10869 calling chrec_replace_initial_condition.
10870 (same_access_functions, analyze_subscript_affine_affine,
10871 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10872 (compute_subscript_distance, analyze_ziv_subscript,
10873 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10874 analyze_miv_subscript): Convert the operands before calling
10875 chrec_fold_minus or chrec_fold_plus.
10877 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10879 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10880 the dependence_relations vector.
10881 (compute_data_dependences_for_loop): Adjust call to
10882 compute_all_dependences.
10884 2006-04-01 Roger Sayle <roger@eyesopen.com>
10885 Richard Henderson <rth@redhat.com>
10887 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10888 gimple_boolify on the condition before calling gimplify_expr.
10890 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10892 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10893 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10894 the frame size. Update to use the new macros.
10895 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10896 * config/xtensa/ieee754-df.S: Likewise.
10898 2006-03-31 Richard Henderson <rth@redhat.com>
10900 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10901 (make_edges): ... here. Control fallthru creation with a local
10902 variable. Do not play with fake edges.
10903 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10904 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10907 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10909 * dwarf2.h (DW64_CIE_ID): Define.
10910 * dwarf2out.c (DWARF_CIE_ID): Define.
10911 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10912 length header. Use DWARF_CIE_ID.
10913 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10914 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10916 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10918 * config/sh/linux-atomic.asm: New file.
10919 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10921 2006-03-31 DJ Delorie <dj@redhat.com>
10923 * config/m32c/cond.md: Set condition flags properly throughout.
10924 * config/m32c/minmax.md: Likewise.
10925 * config/m32c/prologue.md: Likewise.
10926 * config/m32c/bitops.md: Likewise.
10927 * config/m32c/muldiv.md: Likewise.
10928 * config/m32c/mov.md: Likewise.
10929 * config/m32c/addsub.md: Likewise.
10930 * config/m32c/m32c.md: Likewise.
10931 * config/m32c/jump.md: Likewise.
10932 * config/m32c/shift.md: Likewise.
10934 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10935 conditionally output the pattern for this.
10936 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10937 (m32c_compare_redundant): New.
10938 (m32c_output_compare): New.
10939 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10941 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10942 dest, not src. Allow other 4-byte modes.
10944 2006-03-30 Denis Chertykov <denisc@overta.ru>
10946 * doc/md.texi: Refer to avr/constraints.md instead of
10949 2006-03-30 Roger Sayle <roger@eyesopen.com>
10951 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10952 signed vs. unsigned comparison failures on some hosts.
10954 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10957 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10958 change to FLOAT_REGS.
10960 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10961 (rs6000_override_options): Use it.
10962 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10963 only for -mabi=spe/no-spe and -mabi=altivec.
10965 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10967 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10970 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10972 * Makefile.in: Rename docdir to gcc_docdir.
10974 2006-03-30 Roger Sayle <roger@eyesopen.com>
10977 * expr.c (emit_group_store): Optimize group stores into a pseudo
10978 register by using a paradoxical subreg to initialize the destination
10979 if the first or last member of the group specifies a "low part".
10981 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10984 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10985 * target.h (struct gcc_target.speculate_insn): Change type of the
10986 second parameter to 'int'.
10987 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10988 the second operand of the DEPS_LIST.
10989 (copy_DEPS_LIST_list): Update reference to the second operand of the
10991 * rtl.h (alloc_DEPS_LIST): Update signature.
10992 * sched-int.h (ds_t): Change typedef to 'int'.
10993 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10995 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10997 * haifa-sched.c (try_ready): Change condition to restore
10998 non-speculative pattern of the instruction.
10999 (process_insn_depend_be_in_spec): Code to keep probability of the
11000 speculative dependence non-decreasing.
11002 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11004 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11005 (single_move_for_movmem): ... this. Also change all uses.
11006 (bfin_expand_strmov): Renamed to...
11007 (bfin_expand_movmem): ... this. Also change all uses.
11008 * config/bfin/bfin.md (movstrsi): Renamed to...
11009 (movstrsi): ...this.
11011 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11013 PR tree-optimization/26830
11015 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11016 (copy_prop_visit_stmt): Remove write-only variable ann.
11017 (init_copy_prop): Check variable loop depth here. Do not simulate
11018 memory-tag and virtual operand PHIs except for store copy prop.
11020 2006-03-30 Richard Guenther <rguenther@suse.de>
11022 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11023 variants with double arguments.
11025 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11027 * genpreds.c (write_tm_constrs_h): Delete variable p.
11028 * genconditions.c (write_header): Add tm-constrs.h to included
11030 * genpeep.c (main): Add toplev.h to included headers.
11031 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11032 (build/genpeep.o): Add toplev.h dependency.
11033 * config/rs6000/constraints.md: Add "W" constraint.
11035 2006-03-29 Roger Sayle <roger@eyesopen.com>
11037 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11038 sizes by correctly testing whether the size fits a host integer.
11039 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11040 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11041 SImode range for the default sizetype and bitsizetype.
11043 2006-03-29 Roger Sayle <roger@eyesopen.com>
11045 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11046 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11047 quickly if the argument is already of the correct type.
11048 Call fold_build1 instead of build1. Tidy up blank lines.
11050 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11052 * genemit.c (main): Add tm-constrs.h to included headers.
11053 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11054 * genpeep.c (main): Add tm-constrs.h to included headers.
11055 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11056 (write_tm_constrs_h): this and write complete file.
11057 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11058 (write_insn_preds_c): Add tm-constrs.h to included headers.
11059 (gen_constrs): New variable.
11060 (parse_option): Parse "-c".
11061 (main): Invoke write_tm_constrs_h.
11062 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11063 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11064 (object_out_file): Add tm-constrs.h dependency.
11065 (insn-emit.o): Same.
11066 (insn-output.o): Same.
11067 (insn-peep.o): Same.
11068 (insn-preds.o): Same.
11069 (insn-recog.o): Same.
11070 (tm-constsr.h): New target.
11071 (s-constrs-h): New target.
11073 * config/rs6000/constraints.md: New file.
11074 * config/rs6000/rs6000.c: Include tm-constrs.h.
11075 (num_insn_constant_wide): Convert to satisfies_constraint.
11076 (rs6000_rtx_costs): Convert to satisfies_constraint.
11077 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11078 (CONST_OK_FOR_LETTER_P): Delete.
11079 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11080 (EXTRA_CONSTRAINT): Delete.
11081 (EXTRA_MEMORY_CONSTRAINT): Delete.
11082 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11083 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11084 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11085 satisfies_constraint.
11087 * config/i386/i386.c: Include tm-constrs.h.
11089 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11091 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11092 * tree-data-ref.c (find_data_references_in_loop,
11093 compute_data_dependences_for_loop): Use pointers to VEC.
11094 (analyze_all_data_dependences): Adjust calls.
11095 * tree-data-ref.h (find_data_references_in_loop,
11096 compute_data_dependences_for_loop): Adjust declarations.
11097 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11098 compute_data_dependences_for_loop.
11100 2006-03-29 Paul Brook <paul@codesourcery.com>
11102 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11103 (movdf_vfp): Ditto.
11105 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11107 PR tree-optimization/26859
11108 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11110 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11111 for the step after fold_convert.
11113 2006-03-29 Paul Brook <paul@codesourcery.com>
11115 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11116 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11118 2006-03-29 Paul Brook <paul@codesourcery.com>
11120 PR middle-end/23623
11121 * targhooks.c (default_narrow_bitfield): New fuction.
11122 * targhooks.h (default_narrow_bitfield): add prototype.
11123 * target.h (gcc_target): Add narrow_volatile_bitfield.
11124 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11125 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11126 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11127 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11129 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11131 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11133 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11134 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11135 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11136 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11137 (s390_function_arg_float): Allow SDmode and DDmode values to be
11138 passed in floating point registers.
11139 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11140 check with SCALAR_FLOAT_MODE_P.
11141 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11143 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11145 PR tree-optimization/25985
11146 * tree-ssa-loop-niter.c (number_of_iterations_le,
11147 number_of_iterations_ne): Make comments more precise.
11148 (number_of_iterations_cond): Add only_exit argument. Use the
11149 fact that signed variables do not overflow only when only_exit
11151 (loop_only_exit_p): New.
11152 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11153 number_of_iterations_cond.
11155 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11157 PR tree-optimization/26643
11158 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11161 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11163 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11164 (divsi3_i4_int): Likewise.
11166 2006-03-28 Roger Sayle <roger@eyesopen.com>
11168 * expr.c (emit_group_store): Only create a new pseudo reg if the
11169 quantity it needs to hold isn't already a suitable pseudo.
11171 2006-03-28 Jeff Law <law@redhat.com>
11173 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11174 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11176 2006-03-28 Roger Sayle <roger@eyesopen.com>
11178 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11179 the equivalent ~X & Y, and the symmetry related transformations.
11180 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11181 ~X & Y, and symmetry related transforms.
11183 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11185 Revert my 2006-03-27 patches.
11187 2006-03-28 Roger Sayle <roger@eyesopen.com>
11189 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11190 ~(T1)X, when T1 and T2 are integer types of the same precision
11191 and (T2)X isn't an extension.
11193 2006-03-28 Jeff Law <law@redhat.com>
11195 PR tree-optimization/26796
11196 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11197 need EH edge cleanups rather than purging them immediately.
11198 (eliminate_degenerate_phis): Handle queued EH cleanups.
11200 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11202 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11205 2006-03-27 Roger Sayle <roger@eyesopen.com>
11207 PR middle-end/22524
11208 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11209 cast BIT_NOT_EXPR operand to the correct type.
11211 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11213 * tree-loop-linear.c: Don't include varray.h.
11214 (gather_interchange_stats, try_interchange_loops,
11215 linear_transform_loops): Use VEC instead of VARRAY.
11216 * lambda-mat.c: Don't include varray.h.
11217 * tree-chrec.c: Same.
11218 * lambda-trans.c: Same.
11219 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11220 VEC instead of VARRAY.
11221 * tree-vectorizer.h: Idem.
11222 * tree-data-ref.c (dump_data_references,
11223 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11224 initialize_data_dependence_relation, finalize_ddr_dependent,
11225 compute_all_dependences, find_data_references_in_loop,
11226 compute_data_dependences_for_loop, analyze_all_data_dependences,
11227 free_dependence_relation, free_dependence_relations,
11228 free_data_refs): Idem.
11229 * tree-data-ref.h (data_reference_p, subscript_p): New.
11230 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11231 VEC instead of VARRAY.
11232 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11233 (find_data_references_in_loop, compute_data_dependences_for_loop,
11234 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11235 dump_data_dependence_relations, free_dependence_relations,
11236 free_data_refs): Adjust declaration.
11237 (lambda_transform_legal_p): Move declaration here...
11238 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11239 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11240 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11241 vect_analyze_data_refs): Use VEC instead of VARRAY.
11242 * lambda.h (lambda_transform_legal_p): ...from here.
11243 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11244 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11245 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11246 tree-chrec.o): Don't depend on VARRAY_H.
11248 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11250 * rtl.def (Copyright): Update date.
11251 (DEPS_LIST): Change type of the second operand to 'int'.
11252 * target.h (Copyright): Update date.
11253 (struct gcc_target.speculate_insn): Change type of the second parameter
11255 * lists.c (Copyright): Update date.
11256 (alloc_DEPS_LIST): Change signature. Update reference to the second
11257 operand of the DEPS_LIST.
11258 (copy_DEPS_LIST_list): Update reference to the second operand of the
11260 * rtl.h (Copyright): Update date.
11261 (alloc_DEPS_LIST): Update signature.
11262 * sched-int.h (Copyright): Update date.
11263 (ds_t): Change typedef to 'int'.
11264 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11266 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11268 * haifa-sched.c (Copyright): Update date.
11269 (try_ready): Change condition to restore non-speculative pattern
11270 of the instruction.
11271 (process_insn_depend_be_in_spec): Code to keep probability of the
11272 speculative dependence non-decreasing.
11274 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11276 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11277 shut up the compiler.
11279 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11281 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11282 to use lib prefix for target.
11283 ($(T)libic_invalidate_array_4-200.a): Likewise.
11284 ($(T)libic_invalidate_array_4a.a): Likewise.
11286 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11287 J"orn Rennecke <joern.rennecke@st.com>
11289 * superh.opt: New file.
11290 * sh.c (boardtype, osruntime): Remove.
11291 * superh.h (SUBTARGET_OPTIONS): Remove.
11292 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11294 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11295 arguments with ^ and/or [].
11297 * config.gcc (sh-*-*): Add quoting to account for quirk of
11299 Replace == with = in enable_incomplete_targets test.
11301 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11302 with MASK_LITTLE_ENDIAN.
11304 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11305 * config/sh/sh.opt: Added to some comments.
11306 * config/sh/superh.h: Removed some chaff.
11308 * config/sh/sh.opt: Add m4-[1234]00* options.
11309 * config/sh/sh.c (sh_handle_option): Likewise.
11310 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11311 (ic_invalidate_array_4-100.o): New rule.
11312 ($(T)libic_invalidate_array_4-100.a): Likewise.
11313 (ic_invalidate_array_4-200.o): Likewise.
11314 ($(T)libic_invalidate_array_4-200.a): Likewise.
11315 (ic_invalidate_array_4a.o): Likewise.
11316 ($(T)libic_invalidate_array_4a.a): Likewise.
11317 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11318 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11320 * config/sh/crt1.asm: Merged in profiling code.
11321 * config/sh/superh.h (STARTFILE_SPEC): Override.
11322 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11323 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11324 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11326 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11327 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11328 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11330 * sh.opt (mpretend-cmove): New option.
11331 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11332 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11333 (movsicc): Add TARGET_PRETEND_CMOVE code.
11335 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11337 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11338 s390_class_max_nregs): New function prototypes.
11339 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11340 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11341 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11342 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11344 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11346 * dwarf2out.c (add_location_or_const_value_attribute): Call
11347 tree_add_const_value_attribute if nothing else works.
11348 (reference_to_unused): New.
11349 (rtl_for_decl_init): Use reference_to_unused to decide whether
11350 to output an initializer.
11352 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11355 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11356 peephole removing spe frob_di_df_2.
11358 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11360 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11361 (subscript_dependence_tester_1): Declared.
11362 (print_dir_vectors, print_dist_vectors): New.
11363 (debug_data_dependence_relation): New.
11364 (dump_data_dependence_relation): Print more details.
11365 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11366 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11367 (save_dist_v, save_dir_v, add_outer_distances,
11368 build_classic_dist_vector_1): New.
11369 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11370 Don't test for lambda_vector_lexico_pos.
11371 (same_access_functions, add_multivariate_self_dist,
11372 add_other_self_distances, dir_from_dist): New.
11373 (build_classic_dir_vector): Replace implementation almost identical to
11374 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11376 (subscript_dependence_tester_1): New.
11377 (subscript_dependence_tester): Handle the lexicographically negative
11378 distance vectors by recomputing the dependence relation.
11379 (compute_affine_dependence): Remove parameter loop_nest_depth.
11380 (compute_self_dependence): Don't call compute_subscript_distance.
11381 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11382 Add a parameter for the loop_nest.
11383 (find_loop_nest_1, find_loop_nest): New.
11384 (compute_data_dependences_for_loop): Compute the loop nest, and give
11385 up if the nest is not well formed.
11386 * tree-data-ref.h (loop_p): New.
11387 (struct data_dependence_relation): Replace size_vect field with
11388 loop_nest, a vec of loops.
11389 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11390 (DDR_LOOP_NEST): New.
11391 (print_dir_vectors, print_dist_vectors,
11392 debug_data_dependence_relation): Declared.
11393 (index_in_loop_nest): New.
11394 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11395 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11398 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11400 * simplify-rtx.c (simplify_relational_operation): Call
11401 simplify_relational_operation_1 even if mode is VOIDmode.
11403 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11405 PR tree-optimization/26804
11406 * tree.h (DECL_CALL_CLOBBERED): New macro.
11407 (tree_decl_common): Add call_clobbered_flag.
11408 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11409 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11410 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11411 (mark_non_addressable): Ditto.
11412 * tree-ssa.c (verify_call_clobbered): New function.
11413 (verify_alias_info): Use it.
11414 * tree-pass.h (pass_reset_cc_flags): New prototype.
11415 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11416 (reset_cc_flags): New function.
11417 * passes.c (init_optimization_passes): Call reset_cc_flags after
11418 initializing referenced_vars.
11420 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11421 Roger Sayle <roger@eyesopen.com>
11423 PR middle-end/26717
11424 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11425 to 1.0 for non-real operands. Implement A / A optimization for
11428 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11430 * config/i386/i386.c (size_cost): Correct the comment for
11431 cost of storing fp registers.
11432 (i386_cost): Likewise.
11433 (i486_cost): Likewise.
11434 (pentium_cost): Likewise.
11435 (pentiumpro_cost): Likewise.
11436 (k6_cost): Likewise.
11437 (athlon_cost): Likewise.
11438 (k8_cost): Likewise.
11439 (pentium4_cost): Likewise.
11440 (nocona_cost): Likewise.
11441 (generic64_cost): Likewise.
11442 (generic32_cost): Likewise.
11444 2006-03-24 Denis Chertykov <denisc@overta.ru>
11446 * config/avr/avr-protos.h (extra_constraint): Delete.
11447 (extra_constraint_Q): New declaration.
11448 * config/avr/constraints.md: New file.
11449 * config/avr/avr.md: Include it.
11450 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11451 (TMP_REGNO, ZERO_REGNO): Likewise.
11452 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11453 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11454 (extra_constraint): Delete.
11455 (extra_constraint_Q): Test for memory constraint 'Q'.
11456 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11457 (REG_CLASS_FROM_LETTER): Delete.
11458 (CONST_OK_FOR_LETTER_P): Delete.
11459 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11460 (EXTRA_CONSTRAINT): Delete.
11461 (TMP_REGNO): Delete.
11462 (ZERO_REGNO): Delete.
11464 2006-03-24 Jeff Law <law@redhat.com>
11466 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11467 directly. Call mark_new_vars_to_rename slightly earlier.
11469 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11471 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11472 (is_cxx): Likewise.
11473 (gen_compile_unit_die): Use new language types for Objective-C and
11475 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11476 DW_LANG_C_plus_plus.
11479 * config/t-darwin (crt3.o): Work around bug 26840.
11480 * config/darwin-crt3.c: Rewrite.
11481 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11483 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11485 * doc/invoke.texi: Document -femit-class-debug-always
11486 * common.opt: Add -femit-class-debug-always.
11488 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11490 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11491 index and base register.
11492 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11493 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11494 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11495 REGNO_OK_FOR_INDEX_P.
11496 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11498 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11499 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11500 REG_OK_FOR_BASE_P): Definitions removed.
11502 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11504 PR middle-end/26611
11505 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11506 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11507 set yet or weren't marked as local yet.
11509 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11511 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11514 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11516 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11517 (rs6000_legitimate_small_data_p): Delete.
11518 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11519 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11520 and make static. Add forward declaration. Update uses.
11521 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11522 of offsettable_memref_p.
11523 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11524 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11526 2006-03-24 Jeff Law <law@redhat.com>
11528 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11529 around bug in immediate-use iterator.
11531 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11534 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11535 or __LITTLE_ENDIAN__.
11537 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11539 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11540 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11541 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11542 * config/sh/sh.opt (mdiv=): Amend description.
11543 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11544 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11545 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11546 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11547 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11548 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11549 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11550 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11551 TARGET_DIVIDE_CALL_FP.
11553 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11555 * haifa-sched.c (choose_ready): Fix type of the local variable.
11556 Move local variables. Add comment.
11557 (check_reg_live): Change signature. Make callable from debugger.
11558 * sched-int.h (check_reg_live): Update signature.
11559 * sched-ebb.c (check_reg_live): Update parameters.
11560 * sched-rgn.c (check_reg_live): Ditto.
11561 (region_head_or_leaf_p): Check pointer before dereferencing.
11562 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11563 before reload on optimization levels below 1.
11565 2006-03-23 Richard Henderson <rth@redhat.com>
11567 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11571 * config/alpha/predicates.md (local_symbolic_operand): Reject
11574 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11577 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11578 expressions which have overflowed constants.
11580 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11582 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11584 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11586 * cfgloopmanip.c (create_loop_notes): Removed.
11587 * final.c (final_scan_insn): Do not handle loop notes.
11588 * jump.c (squeeze_notes): Ditto.
11589 * cfglayout.c (skip_insns_after_block,
11590 duplicate_insn_chain): Ditto.
11591 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11593 * cfgloop.h (create_loop_notes): Declaration removed.
11595 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11597 * varasm.c (output_constant_pool): Restore fnname and fndecl
11599 (assemble_start_function): Adjust call accordingly.
11600 (assemble_end_function): Likewise.
11602 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11605 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11608 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11610 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11613 * system.h (ICE_EXIT_CODE): New macro.
11614 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11615 (diagnostic_action_after_output): Likewise.
11616 * gcc.c (fatal_ice): New function.
11617 (execute): Use it instead of fatal.
11618 (fancy_abort): Likewise.
11619 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11621 2006-03-22 Jeff Law <law@redhat.com>
11623 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11624 iv_analyze_result returning false.
11626 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11628 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11630 2006-03-22 Richard Henderson <rth@redhat.com>
11632 PR middle-end/26084
11633 * except.c (duplicate_eh_regions_0): New.
11634 (duplicate_eh_region_1): Duplicate the children of the node as
11635 well as the node itself. Link them up properly.
11636 (duplicate_eh_region_2): Merge into ...
11637 (duplicate_eh_regions): ... here. Take copy_region argument, and
11638 copy only a sub-tree if asked. Simplify copying and fixup.
11639 (eh_region_outer_p): New.
11640 * except.h (duplicate_eh_regions): Update decl.
11641 (eh_region_outer_p): Declare.
11642 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11643 (lower_omp_master): Likewise.
11644 (lower_omp_ordered): Likewise.
11645 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11646 (move_stmt_r): Use it to remap labels. Handle recursion vs
11647 remap_decls_p properly.
11648 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11649 (find_outermost_region_in_block): New.
11650 (new_label_mapper): New.
11651 (move_sese_region_to_fn): Copy eh information to the new function
11653 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11655 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11658 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11660 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11661 into shared libraries.
11663 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11665 * doc/md.texi: Refer to i386/constraints.md instead of
11666 i386/predicates.md.
11667 * config/i386/constraints.md: New file, extracted from...
11668 * config/i386/predicates.md: ...here.
11669 * config/i386/i386.md: Include constraints.md.
11671 2006-03-21 Jason Merrill <jason@redhat.com>
11673 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11675 PR middle-end/20297
11676 * expr.c (init_block_move_fn): Force default visibility.
11677 (init_block_clear_fn): Likewise.
11678 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11679 * targhooks.c (default_external_stack_protect_fail): Likewise.
11681 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11683 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11684 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11685 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11686 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11687 (loadgp): Use mips_current_loadgp_style.
11688 (loadgp_noshared): New pattern.
11689 (sibcall_internal): Use MIPS_CALL.
11690 (sibcall_value_internal): Likewise.
11691 (sibcall_value_multiple_internal): Likewise.
11692 (call_internal): Likewise.
11693 (call_value_internal): Likewise.
11694 (call_value_multiple_internal): Likewise.
11695 (call_split): Use MIPS_CALL and add an 'S' constraint.
11696 (call_value_split): Likewise.
11697 (call_value_multiple_split): Likewise.
11698 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11699 (-mshared): New option.
11700 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11701 (mips_current_loadgp_style): Declare.
11702 * config/mips/mips.c (mips_classify_symbol): Avoid using
11703 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11704 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11705 TARGET_ABSOLUTE_ABICALLS.
11706 (override_options): Adjust comments. Improve the warning that is
11707 issued when -mabicalls and -G are used together.
11708 (mips_file_start): Remove comment.
11709 (mips_current_loadgp_style): New function.
11710 (mips_gnu_local_gp): New variable.
11711 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11713 (mips_output_function_prologue): Use mips_current_laodgp_style.
11714 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11715 the cprestore instruction.
11716 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11717 live for TARGET_ABSOLUTE_ABICALLS.
11718 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11719 (ASM_SPEC): Pass down -mshared and -mno-shared.
11720 (MIPS_CALL): New macro.
11721 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11723 * doc/invoke.texi (-mabicalls): Update documentation.
11724 (-mshared): Document.
11726 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11728 * config/ia64/unwind-hpux.c: New file.
11729 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11731 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11734 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11736 2006-03-21 Jeff Law <law@redhat.com>
11738 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11739 type conversions of a VR_VARYING source to a wider type.
11741 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11743 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11744 tm_file on Solaris 10 and later.
11745 (sparc64-*-solaris2*): Likewise.
11746 (sparc-*-solaris2*): Likewise.
11747 * config/sol26.h: Rename to config/sol2-6.h.
11748 * config/sol2-10.h: New file.
11750 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11753 * tree-ssa-pre.c (create_component_ref_by_pieces):
11756 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11759 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11760 return it immediately.
11762 2006-03-21 Michael Matz <matz@suse.de>
11764 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11766 (remove_arc, add_arc): Update num_out_arcs member.
11767 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11769 (cache_presence): New function.
11770 (compare_states_for_equiv): New function.
11771 (state_is_differed): Don't take number of outargs, adjust callers.
11772 Use new invariant for speeding up.
11773 (init_equiv_class): Create initial classes based on sorted
11775 (partition_equiv_class): Don't track out_arcs_num.
11776 (evaluate_equiv_classes): Call cache_presence on all states and
11779 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11781 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11782 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11783 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11784 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11786 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11787 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11788 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11789 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11790 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11792 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11793 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11794 (REGNO_REG_CLASS): ARGP is in PREGS.
11795 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11797 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11798 to deal with those addresses.
11799 * addresses.h: New file.
11800 * caller-save.c: Include "addresses.h".
11801 (init_caller_save): Use new base_reg_class function.
11802 * rtl-factoring.c: Include "addresses.h".
11803 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11804 * recog.c: Include "addresses.h".
11805 (preprocess_constraints): Use new base_reg_class function.
11806 * regrename.c: Include "addresses.h".
11807 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11808 functions. Keep track of a new var INDEX_CODE to compute valid
11810 (replace_oldest_value_addr): Likewise.
11811 (replace_oldest_value_mem): Use base_reg_class.
11812 * reload.c: Include "addresses.h".
11813 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11814 (find_reloads): Use new base_reg_class function.
11815 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11816 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11817 all callers and prototype changed.
11818 * reload1.c: Include "addresses.h".
11819 (maybe_fix_stack_asms): Use base_reg_class.
11820 * regclass.c: Include "addresses.h".
11821 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11822 (init_reg_autoinc): Use new base_reg_class function.
11823 (record_reg_classes): Likewise.
11824 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11825 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11826 Use new args to compute necessary class.
11828 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11829 regrename.o, rtl-factoring.o): Update dependencies.
11830 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11831 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11832 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11833 REG_OK_FOR_INDEX_P): Delete documentation.
11835 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11837 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11838 from V7 to V9 for Solaris 7 and above.
11840 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11842 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11843 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11844 argument pointers may not alias any other storage.
11845 * common.opt: Define option -fargument-noalias-anything.
11846 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11847 alias semantics is specified by flag_argument_noalias > 2.
11849 2006-03-20 Jeff Law <law@redhat.com>
11851 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11852 (pass_phi_only_cprop): Declare.
11853 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11854 with phi_only_cprop
11855 * tree-ssa-dom.c (degenerate_phi_result): New function.
11856 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11857 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11858 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11859 (eliminate_degenerate_phis): Likewise.
11860 (pass_phi_only_cprop): New pass descriptor.
11861 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11862 support code. Callers updated.
11863 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11864 (store_copy_prop): Likewise.
11865 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11867 2006-03-20 Jason Merrill <jason@redhat.com>
11870 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11871 (push_visibility, pop_visibility): Likewise.
11872 * c-pragma.h: Declare them.
11874 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11876 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11878 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11879 parameter and use get_ebb_head_tail.
11880 (sh_md_init_global): Adjust uses of find_regmode_weight.
11882 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11884 * function.h (struct function) <x_tail_recursion_reentry>:
11885 Rename to x_stack_check_probe_note.
11886 (tail_recursion_reentry): Rename to stack_check_probe_note.
11887 * function.c: Replace tail_recursion_reentry with
11888 stack_check_probe_note everywhere.
11889 (expand_function_start): Only emit a note for
11890 stack_check_probe_note with -fstack-protect.
11891 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11893 * emit-rtl.c (remove_unnecessary_notes): Remove.
11894 (pass_remove_unnecessary_notes): Remove.
11895 * rtl.h (remove_unnecessary_notes): Remove prototype.
11896 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11897 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11898 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11900 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11903 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11904 (valid_in_set): Handle ARRAY_REF.
11905 Change "if min_variant or VH" to asserts.
11906 (create_component_ref_by_pieces): Handle ARRAY_REF.
11907 (create_expression_by_pieces): Likewise.
11908 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11910 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11912 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11913 is operand of switch, not str[0].
11915 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11917 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11918 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11920 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11922 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11923 end of insn_extra_address_constraint declaration.
11925 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11927 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11928 (no-sum-in-toc): Same.
11929 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11931 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11932 NO_FP_IN_TOC for -fPIC instead of mask.
11934 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11935 (BOOT_LDFLAGS): Delete.
11937 * config/rs6000/t-aix52: Same.
11939 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11940 (stmsi[345678]_power): New.
11942 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11944 * config/ia64/ia64.opt: Add empty line to end of file.
11946 2006-03-17 Richard Guenther <rguenther@suse.de>
11948 PR middle-end/26721
11949 * builtins.c (get_pointer_alignment): For component style references
11950 adjust alignment to the component type alignment. Make sure
11951 to adjust alignment for component access of constants.
11953 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11955 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11956 unconditional jump.
11958 2006-03-17 Paul Brook <paul@codesourcery.com>
11960 * doc/install.texi: Docuemnt --with-mode.
11961 * config.gcc: Add --with-mode for arm*-*-*.
11962 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11964 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11966 * sh.c (max_labelno_before_reorg): New variable.
11967 (sh_reorg): Initialize it.
11968 (find_barrier): Check max_labelno_before_reorg before using
11969 label_to_alignment. Take length of explicit alignment insns
11970 into account. When seeing a UNSPECV_CONST_END, return it.
11972 * sh.c (fixup_mova): Set mode of affected label to QImode.
11973 (untangle_mova): New function.
11974 (find_barrier): Use it. Check mode of label before decrementing
11976 (sh_reorg): Likewise.
11977 Set mode of all insns back to VOIDmode.
11979 * sh.c (MOVA_LABELREF): New macro.
11980 (mova_p, fixup_mova, sh_reorg): Use it.
11981 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11982 ADDR_DIFF_VEC matches mova.
11984 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11986 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11987 with ATTRIBUTE_UNUSED.
11989 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11991 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11992 pointer, instead of assuming it is possible to derive the
11993 correct args size from a call insn.
11995 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11997 * rtl.h (CONST_INT_P): Define.
11998 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11999 instead of GET_CODE(x) == CONST_INT.
12000 (vax_rtx_costs): Likewise.
12001 (vax_output_int_move): Likewise.
12002 (vax_output_int_add): Likewise.
12003 (legitimate_constant_address_p): Likewise.
12004 (index_term_p): Likewise.
12005 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12006 * config/vax/vax.md (and<mode>3): Likewise.
12007 (ashrsi3): Likewise.
12009 (movstricthi): Likewise.
12010 (movstrictqi): Likewise.
12011 (rotrsi3): Likewise.
12012 (five unnamed insns): Likewise.
12014 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12016 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12017 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12018 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12019 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12020 Pass to ASM_OUTPUT_DWARF_OFFSET.
12021 * dwarf2out.c (debug_frame_section): New.
12022 (output_call_frame_info): Use debug_frame_section. Pass it to
12023 dw2_asm_output_offset.
12024 (output_die): Pass appropriate section to dw2_asm_output_offset.
12025 (output_compilation_unit_header): Likewise.
12026 (output_pubnames): Likewise.
12027 (output_aranges): Likewise.
12028 (enum dw_val_class): Break dw_val_class_lbl_offset into
12029 dw_val_class_lineptr and dw_val_class_macptr.
12030 (add_AT_lbl_offset): Delete.
12031 (add_AT_lineptr): New.
12032 (add_AT_macptr): New.
12033 (AT_lbl): Expect a lineptr or macptr.
12034 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12035 (attr_checksum): Likewise.
12036 (same_dw_val_p): Likewise.
12037 (size_of_die): Likewise.
12038 (value_format): Likewise.
12039 (output_die): Likewise.
12040 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12042 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12043 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12044 * config/darwin-protos.h (darwin_file_start): New.
12045 (darwin_asm_output_dwarf_offset): New.
12046 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12047 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12049 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12050 if not EH section; simplify.
12051 (darwin_file_start): New.
12052 (darwin_asm_output_dwarf_offset): New.
12053 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12055 (DEBUG_INFO_SECTION): Likewise.
12056 (DEBUG_ABBREV_SECTION): Likewise.
12057 (DEBUG_ARANGES_SECTION): Likewise.
12058 (DEBUG_MACINFO_SECTION): Likewise.
12059 (DEBUG_LINE_SECTION): Likewise.
12060 (DEBUG_LOC_SECTION): Likewise.
12061 (DEBUG_PUBNAMES_SECTION): Likewise.
12062 (DEBUG_STR_SECTION): Likewise.
12063 (DEBUG_RANGES_SECTION): Likewise.
12064 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12065 (ASM_OUTPUT_DWARF_OFFSET): New.
12067 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12069 * config.gcc (tm_defines): Always add to previous value rather
12072 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12074 * config/mips/predicates.md (splittable_const_int_operand): New,
12075 split from move_operand.
12076 (splittable_symbolic_operand): New.
12077 (move_operand): Add commentary. Use splittable_const_int_operand.
12078 Inline mips_atomic_symbolic_constant_p.
12079 * config/mips/mips.md: Add combine splitters for handling moves
12080 of splittable_const_int_operands and splittable_symbolic_operands.
12081 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12082 (mips_split_symbol): Declare.
12083 (mips_move_integer): Declare.
12084 * config/mips/mips.c (mips_split_p): Make global.
12085 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12086 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12087 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12088 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12089 (mips_offset_within_object_p): Handle block symbols.
12090 (mips_atomic_symbolic_constant_p): Delete.
12091 (mips_cannot_force_const_mem): Return false for constants that
12092 mips_legitimize_move can handle.
12093 (mips_use_blocks_for_constant_p): New function.
12094 (mips_split_symbol): Make global.
12095 (mips_move_integer): Likewise. Add a temporary register argument.
12096 (mips_legitimize_const_move): Use splittable_const_int_operand and
12097 splittable_symbolic_operand.
12098 (mips_use_anchors_for_symbol_p): New function.
12099 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12100 (mips_split_p): Declare.
12102 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12104 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12105 (mips*-*-linux*): Likewise.
12107 2006-03-16 Roger Sayle <roger@eyesopen.com>
12108 Daniel Speyer <dspeyer@wam.umd.edu>
12110 PR middle-end/18259
12111 * tree-dump.c (dump_real): New function.
12112 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12113 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12114 (tree-dump.o): Add $(REAL_H) to the dependencies.
12116 2006-03-16 Roger Sayle <roger@eyesopen.com>
12118 PR middle-end/21781
12119 * real.c (real_from_string): If the mantissa is zero, don't bother
12120 parsing the exponent as the result should always be zero.
12122 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12124 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12126 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12128 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12129 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12130 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12131 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12132 ia64_sched_finish_global): New static functions to implement
12133 hooks from gcc_target.sched.
12134 (spec_check_no, max_uid, pending_data_specs): New static variables.
12135 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12136 ia64_spec_check_src_p): New static functions.
12137 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12138 (TARGET_SCHED_ADJUST_COST): Removed.
12139 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12140 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12141 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12142 TARGET_SCHED_GEN_CHECK,
12143 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12144 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12145 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12146 Fixed to handle speculation checks.
12147 (rtx_needs_barrier): Fixed to handle speculative loads and
12149 (ia64_variable_issue): Added code to count speculative loads and their
12151 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12153 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12155 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12157 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12158 (ia64_reorg): Reset stops_p to NULL after it is freed.
12159 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12160 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12161 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12163 (data_speculative, control_speculative, check_load): New attributes.
12164 (mov<mode>_advanced, mov<mode>_speculative,
12165 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12166 zero_extend<mode>di2_speculative,
12167 zero_extend<mode>di2_speculative_advanced): New patterns for
12168 data and control speculative loads.
12169 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12171 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12172 New pattern for data and control speculation checks.
12173 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12174 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12175 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12176 Auxiliary definitions for the patterns.
12177 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12178 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12180 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12182 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12183 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12184 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12185 New resource constraints.
12186 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12188 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12189 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12190 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12191 msched-in-control-spec, msched-ldc, msched-control-ldc,
12192 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12193 msched-prefer-non-control-spec-insns,
12194 msched-count-spec-in-critical-path): New flags to tune speculative
12196 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12197 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12198 msched-in-control-spec, msched-ldc, msched-control-ldc,
12199 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12200 msched-prefer-non-control-spec-insns,
12201 msched-count-spec-in-critical-path): Document new flags.
12203 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12205 * target.h (struct spec_info_def): New opaque declaration.
12206 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12207 speculate_insn, needs_block_p, gen_check,
12208 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12209 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12210 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12211 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12212 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12213 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12215 (TARGET_SCHED): Use new macros.
12216 * rtl.h (copy_DEPS_LIST_list): New prototype.
12217 * sched-int.h (struct sched_info): Change signature of new_ready field,
12218 adjust all initializations. New fields: add_remove_insn,
12219 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12220 region_head_or_leaf_p.
12221 (struct spec_info_def): New structure declaration.
12222 (spec_info_t): New typedef.
12223 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12224 recovery_block, orig_pat.
12225 (glat_start, glat_end): New variables declaraions.
12226 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12228 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12229 DETACH_LIFE_INFO, USE_GLAT.
12230 (enum SPEC_SCHED_FLAGS): New enumeration.
12231 (NOTE_NOTE_BB_P): New macro.
12232 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12233 attach_life_info, debug_spec_status, check_reg_live): New functions.
12234 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12235 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12237 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12238 * ddg.c (get_block_head_tail): Adjust all uses.
12239 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12240 (sms_sched_info): Initialize new fields.
12241 (contributes_to_priority): Removed.
12242 * haifa-sched.c (params.h): New include.
12243 (get_block_head_tail): Adjust all uses.
12244 (ISSUE_POINTS): New macro.
12245 (glat_start, glat_end): New global variables.
12246 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12247 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12248 old_last_basic_block, before_recovery, current_sched_info_var,
12249 rgn_n_insns, luid): New static variables.
12250 (insn_cost1): New function. Move logic from insn_cost to here.
12251 (find_insn_reg_weight1): New function. Move logic from
12252 find_insn_reg_weight to here.
12253 (reemit_notes, move_insn, max_issue): Change signature.
12254 (move_insn1): Removed.
12255 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12256 extend_bb): New static functions to support extension of scheduler's
12258 (generate_recovery_code, process_insn_depend_be_in_spec,
12259 begin_speculative_block, add_to_speculative_block,
12260 init_before_recovery, create_recovery_block, create_check_block_twin,
12261 fix_recovery_deps): New static functions to support
12262 generation of recovery code.
12263 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12264 restore_bb_notes, move_block_after_check, move_succs): New static
12265 functions to support ebb scheduling.
12266 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12267 functions to support handling of register live information.
12268 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12269 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12270 add_jump_dependencies): New static functions.
12271 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12272 consistancy checking.
12273 (debug_spec_status): New function to call from debugger.
12274 (priority): Added code to handle speculation checks.
12275 (rank_for_schedule): Added code to distinguish speculative instructions.
12276 (schedule_insn): Added code to handle speculation checks.
12277 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12278 Fixed to handle ebbs.
12279 (move_insn): Added code to handle ebb scheduling.
12280 (max_issue): Added code to use ISSUE_POINTS of instructions.
12281 (choose_ready): Added code to choose between speculative and
12282 non-speculative instructions.
12283 (schedule_block): Added code to handle ebb scheduling and scheduling of
12284 speculative instructions.
12285 (sched_init): Initialize new variables.
12286 (sched_finish): Free new variables. Print statistics.
12287 (try_ready): Added code to handle speculative instructions.
12288 * lists.c (copy_DEPS_LIST_list): New function.
12289 * sched-deps.c (extend_dependency_caches): New function. Move logic
12290 from create_dependency_caches to here.
12291 (get_dep_weak, ds_merge): Make global.
12292 * genattr.c (main): Code to output prototype for
12293 dfa_clear_single_insn_cache.
12294 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12295 (output_dfa_clean_insn_cache_func): Code to output
12296 dfa_clear_single_insn_cache function.
12297 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12299 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12301 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12302 New static variables.
12303 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12304 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12306 (ebb_sched_info): Initialize new fields.
12307 (get_block_head_tail): Adjust all uses.
12308 (compute_jump_reg_dependencies): Fixed to use glat_start.
12309 (schedule_ebb): Code to remove unreachable last block.
12310 (schedule_ebbs): Added code to update register live information.
12311 * sched-rgn.c (region_sched_info): Initialize new fields.
12312 (get_block_head_tail): Adjust all uses.
12313 (last_was_jump): Removed. Adjust users.
12314 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12315 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12316 Implement new hooks.
12317 (check_dead_notes1): New static function.
12318 (struct region): New fields: dont_calc_deps, has_real_ebb.
12319 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12320 (BB_TO_BLOCK): Fixed to handle EBBs.
12321 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12322 (ebb_head): New static variable.
12323 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12324 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12326 (compute_dom_prob_ps): New assertion.
12327 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12328 global_live_at_start.
12329 (init_ready_list): New assertions.
12330 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12331 (new_ready): Add support for BEGIN_CONTROL speculation.
12332 (schedule_insns): Fixed code that updates register live information
12334 (schedule_region): Fixed to handle EBBs.
12335 (init_regions): Use extend_regions and check_dead_notes1.
12336 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12337 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12338 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12339 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12340 TARGET_SCHED_GEN_CHECK,
12341 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12342 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12343 * doc/invoke.texi (max-sched-insn-conflict-delay,
12344 sched-spec-prob-cutoff): Document.
12346 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12348 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12349 inter_tick, queue_index.
12350 (struct sched_info): Change signature of init_ready_list field.
12351 Adjust all initializations.
12352 (RESOLVED_DEPS): New access macro.
12353 (ready_add): Remove prototype.
12354 (try_ready): Add prototype.
12355 * sched-rgn.c (init_ready_list): Use try_ready.
12356 (schedule_region): Initialize
12357 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12358 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12359 (init_ready_list): Use try_ready.
12360 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12361 * lists.c (remove_list_elem): Remove `static'.
12362 (remove_free_INSN_LIST_elem): New function.
12363 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12364 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12365 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12367 (readyp): New variable.
12368 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12369 change_queue_index, resolve_dep): New static functions.
12370 (try_ready): New function. Adjust callers in sched-rgn.c and
12371 sched-ebb.c to use it instead of ready_add.
12372 (clock_var): Move at the begining of file.
12373 (rank_for_schedule): Fix typo.
12374 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12375 (ready_lastpos): Enforce assertion.
12376 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12377 update all callers.
12378 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12379 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12380 (queue_to_ready): Use free_INSN_LIST_list.
12381 (early_queue_to_ready): Fix typo.
12382 (schedule_block): Init readyp. Move init_ready_list call after the
12383 initialization of clock_var. Fix error in rejecting insn by
12384 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12385 that previously corrected INSN_TICKs. Add code for handling
12387 (set_priorities): Fix typo.
12388 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12389 Clarify comment and code that keeps current_sched_info->next_tail
12392 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12394 * sched-rgn.c (extend_rgns): New static function.
12395 (find_rgns): Use it.
12396 (gather_region_statistics, print_region_statistics): New static
12398 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12399 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12401 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12402 Andrey Belevantsev <abel@ispras.ru>
12404 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12405 * lists.c (unused_deps_list): New variable.
12406 (free_list): Add assertions to verify the proper distinguishing
12407 between INSN_LISTs and DEPS_LISTs.
12408 (find_list_elem, remove_list_elem, remove_list_node): New static
12410 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12411 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12412 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12413 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12415 (free_INSN_LIST_node): Likewise.
12416 * modulo-sched.c (current_sched_info): Initialize flags field.
12417 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12418 * rtl.def (DEPS_LIST): Define.
12419 * rtl.h: Declare new functions from lists.c.
12420 * sched-deps.c (spec_dependency_cache): New static variable.
12421 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12422 (add_dependence): Change return type to void. Move the logic to ...
12423 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12424 (delete_all_dependences): Add comment about forward_dependency_cache.
12425 Handle spec_dependency_cache. Handle DEPS_LISTs.
12426 (fixup_sched_groups): Clarify the change of priority of output
12427 and anti dependencies.
12428 (sched_analyze_2): Adjust add_dependence calls to create data
12429 speculative dependence.
12430 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12431 Adjust all callers. Handle DEPS_LISTS.
12432 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12433 presence of speculation.
12434 (init_dependency_caches, free_dependency_caches):
12435 Handle spec_dependency_cache.
12436 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12437 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12438 New static functions.
12439 (add_or_update_back_dep, add_or_update_back_forw_dep,
12440 add_back_forw_dep, delete_back_forw_dep): New functions.
12441 * sched-int.h (ds_t, dw_t): New typedefs.
12442 (struct sched_info): Add new field flags.
12443 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12444 Prototype new sched-deps.c functions.
12445 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12446 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12447 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12448 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12449 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12450 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12452 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12454 * sched-rgn.c (current_sched_info): Initialize flags field.
12455 (schedule_insns): Initialize current_sched_info before the sched_init
12457 * sched-ebb.c (current_sched_info): Initialize flags field.
12458 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12459 Call add_or_update_back_dep instead of add_dependence.
12460 Create control speculative dependencies.
12461 (schedule_insns): Initialize current_sched_info before the sched_init
12464 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12466 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12468 (sh_fallback_frame_state): Likewise.
12470 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12472 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12473 Do switch on default_use_cxa_atexit.
12474 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12475 * config/darwin-crt3.o: New.
12476 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12477 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12478 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12480 * config/rs6000/t-darwin: Move crt2.o building to here.
12481 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12482 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12485 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12487 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12488 from '! xxx' to '!xxx' for coding-style conformance.
12489 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12490 (EXTRA_CONSTRAINT): Likewise.
12491 * config/vax/vax.md (four unnamed insns): Likewise.
12493 2006-03-15 Paul Brook <paul@codesourcery.com>
12495 * config/arm/arm.c (minipool_pad): New.
12496 (add_minipool_forward_ref): Include pool alignment padding in address
12498 (push_minipool_fix): Set minipool_pad.
12499 (minipool_pad): Ditto.
12501 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12503 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12504 instead of GET_CODE() == MEM and REG_P() instead of
12506 (print_operand_address): Likewise.
12507 (vax_address_cost): Likewise.
12508 (vax_rtx_costs): Likewise.
12509 (vax_notice_update_cc): Likewise.
12510 (vax_output_int_add): Likewise.
12511 (INDEX_REGISTER_P): Likewise.
12512 (BASE_REGISTER_P): Likewise.
12513 (nonindexed_address_p): Likewise.
12514 (vax_mode_dependent_address_p): Likewise.
12515 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12516 (PRINT_OPERAND): Likewise.
12517 * config/vax/vax.md (ashlsi3): Likewise.
12518 (ashlsi3): Likewise.
12519 (some more unnamed insns): Likewise.
12521 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12523 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12524 iterator-style macro.
12525 (mark_control_dependent_edges_necessary): Update the use of
12526 EXECUTE_IF_CONTROL_DEPENDENT.
12528 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12530 * config/sh/predicates.md (cache_address_operand): Special.
12531 (ua_address_operand): Likewise.
12533 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12535 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12537 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12539 2006-03-15 Andreas Schwab <schwab@suse.de>
12541 * gensupport.c (identify_predicable_attribute): Don't free p_false
12542 when it is still in use.
12544 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12546 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12547 the default setting here.
12549 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12551 * tree-pass.h (pass_cfg): Remove.
12552 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12553 * passes.c (pass_cfg): Don't run it.
12555 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12557 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12558 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12560 (stack_regs_mentioned): Update the uses of
12561 stack_regs_mentioned_data. Don't access the array beyond its
12563 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12564 Don't include gt-reg-stack.h.
12566 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12567 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12569 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12571 PR middle-end/26684
12572 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12575 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12577 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12579 2006-03-14 Richard Guenther <rguenther@suse.de>
12581 PR tree-optimization/26672
12582 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12585 2006-03-14 Richard Guenther <rguenther@suse.de>
12587 PR tree-optimization/26667
12588 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12589 node for the callees. Always allow inlining if it will shrink
12592 2006-03-14 Richard Guenther <rguenther@suse.de>
12594 PR middle-end/26659
12595 * builtins.c (get_pointer_alignment): Prefer alignment
12596 information from decls over that from types.
12598 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12601 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12603 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12605 * config/rs6000/rs6000.opt (mdlmzb): New option.
12606 (msched-prolog, msched-epilog): Use Var not Mask.
12607 * doc/invoke.texi (-mdlmzb): Document.
12608 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12610 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12611 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12613 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12615 PR rtl-optimization/25739
12616 * bt-load.c (augment_live_range): Free tos pointer.
12618 * gensupport.c (identify_predicable_attribute): Free
12620 * gcov.c (create_file_names): Free name pointer.
12622 2006-03-13 Roger Sayle <roger@eyesopen.com>
12624 PR middle-end/26557
12625 * stmt.c (emit_case_nodes): Handle the case where the index is a
12626 CONST_INT, where the comparison mode is specified by the index type.
12628 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12630 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12633 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12635 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12636 (*branch_fp_inverted): Likewise.
12638 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12640 PR middle-end/25989
12641 * omp-low.c (expand_omp_for_generic): Mark istart0
12642 and iend0 as addressable.
12644 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12646 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12648 2006-03-13 Jeff Law <law@redhat.com>
12650 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12651 virtual operands are interesting.
12652 (vrp_visit_stmt): Corresponding changes.
12654 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12656 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12658 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12659 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12660 * config/bfin/crti.S: Use it instead of __PIC__.
12661 * config/bfin/crtn.S: Likewise.
12663 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12664 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12666 Lose 'G' modifier for call operand.
12667 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12668 recognize 'G' modifier.
12670 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12672 PR middle-end/18859
12673 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12674 * stmt.c (expand_case): Likewise.
12676 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12678 PR rtl-optimization/26254
12679 * loop-invariant.c (seq_insns_valid_p): New function.
12680 (move_invariant_reg): Only emit new code if it is valid.
12682 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12684 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12686 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12687 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12688 (commit_one_edge_insertion): Do not look for loop notes.
12690 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12692 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12693 flag_test_coverage out of loop.
12695 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12697 * final.c (shorten_branches): Remove outdated comment, and turn
12698 the if branch that guards it to continue.
12700 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12702 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12703 * cfgloop.h (struct loop): Remove unused fields.
12705 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12707 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12708 (-dL, -fdump-rtl-loop2): Update the dump file names
12710 * doc/invoke.texi: Update dump file names.
12712 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12714 * predict.c (estimate_probability): Remove.
12715 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12716 * basic-block.h (estimate_probability): Remove prototype.
12717 * passes.c (finish_optimization_passes): Dump branch prediction or
12718 profiling heuristics to the .profile tree dump.
12719 (init_optimization_passes): Unqueue pass_branch_prob.
12721 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12723 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12725 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12726 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12728 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12730 * function.h (frame_offset_overflow): Declare.
12731 * function.c (frame_offset_overflow): New function.
12732 (assign_stack_local_1): Call it to detect that the offset overflows.
12733 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12735 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12737 * config/sh/sh.c: Include alloc-pool.h.
12738 (label_ref_list_pool): New alloc pool.
12739 (label_ref_list_t): New type for lists of labels.
12740 (struct pool_node): Make wend a label_ref_list_t.
12741 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12743 (dump_table): Likewise.
12744 (sh_reorg): Set up the alloc pool before using add_constant and
12745 dump_table, and destroy it when finishing.
12747 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12749 * config/mips/mips.c: Remove redundant comment.
12751 2006-03-10 Jason Merrill <jason@redhat.com>
12754 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12755 the target was declared 'register'.
12757 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12759 * genpreds.c (write_insn_constraint_len): Change definition of
12760 insn_constraint_len to return size_t to match the declaration.
12762 2006-03-10 DJ Delorie <dj@redhat.com>
12764 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12766 (m32c_expand_insv): Fix test for an AND mask.
12768 2006-03-10 Richard Guenther <rguenther@suse.de>
12770 PR middle-end/26565
12771 * builtins.c (get_pointer_alignment): Handle component
12772 references for field alignment.
12774 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12776 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12777 when building with libgloss.
12778 (sh*elf): Implement --without-fp option.
12779 (sh64-superh-linux*): Don't multilib.
12781 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12783 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12785 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12787 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12788 Set it when one of the replacement functions returned true.
12789 Return TODO_cleanup_cfg if cfgchanged is true.
12790 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12792 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12794 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12795 instead of gen_lowpart.
12797 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12799 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12801 (mips_output_order_conditional_branch): Declare.
12802 * config/mips/mips.h (MIPS_BRANCH): New macro.
12803 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12804 for the comparison. Use gen_condjump.
12805 (mips_output_conditional_branch): Rework interface to take the
12806 asm templates for a direct branch and the inverse of a direct branch.
12807 (mips_output_order_conditional_branch): New function.
12808 (mips_builtin_branch_and_move): New function.
12809 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12810 branch condition. Use gen_single_cc as the condition for
12811 __builtin_mips_upper_* or __builtin_mips_lower_*.
12812 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12813 Use VOIDmode for the branch condition.
12814 * config/mips/predicates.md (order_operator): New predicate.
12815 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12816 (branch_fp): Rename to...
12817 (*branch_fp): ...this. Remove mode from comparison operator.
12818 Use new mips_output_conditional_branch interface.
12819 (branch_fp_inverted): Rename to...
12820 (*branch_fp_inverted): ...this and update as for *branch_fp.
12821 (*branch_zero<mode>): Rename to...
12822 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12823 Use mips_output_order_conditional_branch. Only accept ordered
12825 (*branch_zero<mode>_inverted): Rename to...
12826 (*branch_order<mode>_inverted): ...this and update as for
12827 *branch_order<mode>.
12828 (*branch_equality<mode>): Accept zero as the second operand to
12829 the equality operator. Use the new mips_output_conditional_branch
12831 (*branch_equality<mode>_inverted): Likewise.
12832 (condjump): New expander.
12833 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12835 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12836 (bc1any2t, bc1any2f): Likewise.
12837 (single_cc): New expander.
12838 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12840 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12842 * doc/md.texi: Update documentation of MIPS constraints.
12843 * config/mips/constraints.md: New file.
12844 * config/mips/mips.md: Include it.
12845 * config/mips/mips.c (mips_char_to_class): Delete.
12846 (override_options): Don't initialize mips_char_to_class.
12847 * config/mips/mips.h (mips_char_to_class): Delete.
12848 (REG_CLASS_FROM_LETTER): Delete.
12849 (CONST_OK_FOR_LETTER_P): Delete.
12850 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12851 (EXTRA_CONSTRAINT_Y): Delete.
12852 (EXTRA_CONSTRAINT_STR): Delete.
12853 (CONSTRAINT_LEN): Delete.
12854 (EXTRA_MEMORY_CONSTRAINT): Delete.
12856 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12858 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12859 original fn's eh regions.
12861 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12863 * fold-const.c (build_range_check): Make sure to use a valid type to
12864 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12867 (range_predecessor): New static function.
12868 (range_successor): Likewise.
12869 (merge_ranges): Use them to compute predecessors and successors of
12872 2006-03-09 Roger Sayle <roger@eyesopen.com>
12874 PR middle-end/26561
12875 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12876 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12878 2006-03-08 DJ Delorie <dj@redhat.com>
12880 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12881 (addpsi3): Expand to include memory operands. Remove
12882 reload-specific splits.
12883 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12884 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12885 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12886 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12887 (shift1_qi, shift1_hi, insv): New.
12888 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12889 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12890 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12892 * config/m32c/m32c-protos.h: Update as needed.
12893 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12894 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12895 Fail for unrecognized R* constraints.
12896 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12897 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12898 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12900 (m32c_init_libfuncs): New.
12901 (m32c_legitimate_address_p): Add debug wrapper.
12902 (m32c_rtx_costs): New.
12903 (m32c_address_cost): New.
12904 (conversions): Add 'B' prefix.
12905 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12906 operands, or word regnames for QI operands. 'B' prints bit
12908 (m32c_expand_setmemhi): New.
12909 (m32c_expand_movmemhi): New.
12910 (m32c_expand_movstr): New.
12911 (m32c_expand_cmpstr): New.
12912 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12913 (m32c_expand_neg_mulpsi3): Handle non-ints.
12914 (m32c_cmp_flg_0): New.
12915 (m32c_expand_movcc): New.
12916 (m32c_expand_insv): New.
12917 (m32c_scc_pattern): New.
12918 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12919 a0/a1 out of SIregs.
12920 (STORE_FLAG_VALUE): New.
12921 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12924 * config/m32c/mov.md: Make constraints more liberal.
12925 (zero_extendqihi2): Optimize r0/r1 case.
12926 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12927 * config/m32c/predicates.md (m32c_any_operand): New.
12928 (m32c_nonimmediate_operand): New.
12929 (m32c_hl_operand): New.
12930 (m32c_r3_operand): New.
12933 (memsym_operand): New.
12934 (memimmed_operand): New.
12935 (a_qi_operand): New.
12936 (m32c_eqne_operator): New.
12937 (m32c_1bit8_operand): New.
12938 (m32c_1bit16_operand): New.
12939 (m32c_1mask8_operand): New.
12940 (m32c_1mask16_operand): New.
12941 * config/m32c/blkmov.md: New file.
12942 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12944 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12946 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12947 unsigned to fix signed/unsigned comparison issue in
12948 DWARF2_FRAME_REG_OUT.
12949 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12950 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12952 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12953 of ptr into the ENABLE_CHECKING section.
12955 2006-03-08 Jeff Law <law@redhat.com>
12957 * tree-vrp.c (infer_value_range): Only count pointer uses
12958 and dereferences if -fdelete-null-pointer-checks is enabled.
12960 * tree-vrp.c (find_assert_locations): Infer value ranges for
12961 single use pointers, but do not create ASSERT_EXPRs for them.
12962 When a non-null range is inferred for a pointer, backwards
12963 propagate that range to other equivalent pointers through the
12966 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12969 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12970 language hook targets.
12971 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12972 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12973 if language hook targets were missing.
12975 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12977 * tree-ssa-opfinalize.h: Removed.
12978 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12980 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12981 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12982 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12983 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12984 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12985 finalize_ssa_v_must_def_ops): New.
12987 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12989 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12990 block as parameter.
12992 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12994 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12996 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12997 addresses with offsets; reorganize.
12999 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13000 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13001 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13003 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13006 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13008 2006-03-08 Ben Elliston <bje@au.ibm.com>
13010 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13012 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13015 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13018 2006-03-07 Richard Guenther <rguenther@suse.de>
13020 PR tree-optimization/26587
13021 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13023 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13025 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13027 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13029 * hooks.c (hook_bool_mode_rtx_true): New function.
13030 * hooks.h (hook_bool_mode_rtx_true): Declare.
13031 * toplev.c (compile_file): Call output_shared_constant_pool.
13032 * varasm.c (shared_constant_pool): New variable.
13033 (assemble_start_function, assemble_end_function): Remove arguments
13034 from call to output_constant_pool.
13035 (create_constant_pool): New function, split out from...
13036 (init_varasm_status): ...here.
13037 (force_const_mem): Choose between the shared and per-function constant
13038 pools. Set current_function_uses_const_pool when reusing old entries
13039 as well as when creating new ones.
13040 (mark_constant): Ignore data argument.
13041 (mark_constants): Remove pool argument.
13042 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13043 to decide whether the function uses a constant pool.
13044 (output_constant_pool_contents): New function, split out from...
13045 (output_constant_pool): ...here.
13046 (output_shared_constant_pool): New function.
13047 (init_varasm_once): Initialize shared_constant_pool.
13048 * output.h (output_constant_pool): Delete.
13049 (output_shared_constant_pool): Declare.
13050 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13051 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13053 2006-03-06 Nick Clifton <nickc@redhat.com>
13055 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13056 flag_strength_reduce.
13058 2006-03-06 Ben Elliston <bje@au.ibm.com>
13060 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13061 x86_64-*-linux* configurations.
13063 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13064 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13066 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13068 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13070 * basic-block.h: Remove the extern for
13071 rediscover_loops_after_threading.
13073 * cfgloop.c (cancel_loop): Make it static.
13074 * cfgloop.h: Remove the prototype for cancel_loop.
13076 * flow.c (recompute_reg_usage): Make it static.
13077 * rtl.h: Remove the prototype for recompute_reg_usage.
13079 * function.c (use_return_register): Make it static.
13080 * function.h: Remove the prototype.
13082 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13084 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13086 * recog.h: Remove the prototype for
13087 validate_change_maybe_volatile.
13089 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13091 * rtlanal.c (replace_reg): Remove.
13092 * rtl.h: Remove the prototype for replace_reg.
13094 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13096 * regclass.c (reg_scan_update): Remove.
13097 (reg_scan_mark_refs): Remove the last argument.
13098 * rtl.h: Remove the prototype for reg_scan_update.
13100 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13102 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13103 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13104 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13105 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13106 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13107 loop-invariant.c, omp-low.c, opts.c, passes.c,
13108 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13109 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13110 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13111 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13112 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13113 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13115 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13117 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13118 * dwarf2out.h: Remove the prototype for
13119 dwarf2out_add_library_unit_info.
13121 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13123 * tree.c (add_var_to_bind_expr): Remove.
13124 * tree.h: Remove the prototype for add_var_to_bind_expr.
13126 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13128 * regclass.c (n_non_fixed_regs): Remove.
13129 (init_reg_sets_1, globalize_reg): Remove all uses of
13131 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13133 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13135 * rtlanal.c (insns_safe_to_move_p): Remove.
13136 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13138 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13140 * expmed.c (expand_mult_add): Remove.
13141 * expr.h: Remove the prototype for expand_mult_add.
13143 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13145 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13146 and REG_SAVED_VAL_EXP constants.
13147 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13148 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13149 Handle regs stored by value.
13150 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13151 (execute_cfa_program): Handle DW_CFA_val_offset,
13152 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13153 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13154 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13155 (uw_install_context_1): Handle target regs stored by value.
13157 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13159 * tree-sra.c (tree_sra): Return todoflags;
13160 (generate_one_element): Set TODO_update_smt_usage if needed.
13161 (pass_sra): Remove TODO_update_smt_usage.
13162 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13164 (tree_ssa_forward_propagate_single_use_vars): Return
13165 TODO_update_smt_usage if we need to update SMT usage.
13166 (pass_forwprop): Remove TODO_update_smt_usage.
13168 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13170 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13171 (correct_use_link): Remove reference to get_stmt_operands.
13172 (update_stmt_operands): Likewise.
13173 (get_modify_expr_operands): New function factored out of
13174 parse_ssa_operands and get_expr_operands.
13175 Try to create V_MUST_DEFs for LHS by default.
13176 (get_expr_operands) <case MODIFY_EXPR>: Call
13177 get_modify_expr_operands.
13178 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13179 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13180 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13181 get_modify_expr_operands.
13183 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13185 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13186 * tree-flow.h: Remove the prototype for
13187 referenced_var_lookup_if_exists.
13189 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13191 PR rtl-optimization/26345
13193 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13195 2006-03-03 Roger Sayle <roger@eyesopen.com>
13197 PR tree-optimization/26524
13198 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13199 fold_convert to create a constant of the appropriate type.
13201 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13203 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13204 SYMBOL_REF_IN_BLOCK_P.
13205 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13206 of SYMBOL_FLAG_IN_BLOCK.
13207 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13208 instead of SYMBOL_REF_IN_BLOCK_P.
13209 * explow.c (use_anchored_address): Likewise.
13210 * rtl.c (rtx_size): Likewise.
13211 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13212 instead of SYMBOL_FLAG_IN_BLOCK.
13213 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13214 SYMBOL_REF_IN_BLOCK_P.
13215 (assemble_variable): Likewise.
13216 (output_constant_def_contents): Likewise.
13217 (output_constant_pool): Likewise.
13218 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13219 instead of SYMBOL_FLAG_IN_BLOCK.
13220 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13221 SYMBOL_REF_IN_BLOCK_P.
13222 (SYMBOL_REF_BLOCK): Likewise.
13223 (SYMBOL_REF_OFFSET): Likewise.
13224 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13225 SYMBOL_REF_IN_BLOCK_P.
13226 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13227 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13228 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13229 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13231 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13233 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13235 2006-03-02 Roger Sayle <roger@eyesopen.com>
13237 * simplify-rtx.c (simplify_unary_operation): When simplifying
13238 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13239 that we perform the right shift in the appropriate mode, and
13240 then extend or truncate the result to requested mode.
13242 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13244 * gengtype.c (main): Handle double_int type.
13245 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13246 * double-int.c: New file.
13247 * double-int.h: New file.
13248 * system.h: Include doubleint.h.
13249 * Makefile.in (SYSTEM_H): Include double-int.h.
13250 (double-int.o): Add.
13252 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13255 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13258 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13260 * tree-vrp.c (remove_range_assertions): Do not update statements
13263 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13265 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13267 * gcse.c (rest_of_handle_gcse): Ditto.
13268 * except.c (gate_handle_eh): Ditto.
13269 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13270 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13272 2006-03-02 Eric Christopher <echristo@apple.com>
13274 * config/i386/i386.c (machopic_output_stub): Add indirection to
13277 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13281 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13283 Sun Niagara specific optimizations.
13284 * config.gcc: Recognize niagara as target.
13285 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13286 (TARGET_CPU_niagara): Define.
13287 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13288 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13289 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13290 (ASM_CPU_SPEC): Likewise.
13291 (PROCESSOR_NIAGARA): New enum entry.
13292 (REGISTER_MOVE_COST): Handle Niagara.
13293 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13294 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13295 (sparc_override_options): Recognize "niagara", set appropriate
13296 default MASK_* values for it, and align functions to 32-bytes
13297 by default just like ULTRASPARC/ULTRASPARC3.
13298 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13299 (sparc64_initialize_trampoline): Likewise.
13300 (sparc_use_sched_lookahead): Use zero for niagara.
13301 (sparc_issue_rate): Use one for niagara.
13302 * config/sparc/niagara.md: New file.
13303 * config/sparc/sparc.md: Include it.
13304 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13305 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13306 when default cpu is niagara.
13307 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13308 (ASM_CPU_SPEC): Likewise.
13309 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13310 when default cpu is niagara.
13311 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13312 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13313 just like v9/ultrasparc/ultrasparc3.
13314 * doc/invoke.texi: Add documentation for "niagara" and improve
13315 existing documentation for ultrasparc variants.
13317 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13319 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13321 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13323 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13324 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13325 and say that only one is needed.
13326 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13327 * target.h (have_switchable_bss_sections): New hook.
13328 * explow.c (use_anchored_address): Check that the symbol is in a block.
13329 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13330 (bss_noswitch_section): New variables.
13331 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13332 (get_noswitch_section): New function.
13333 (get_block_for_section): Allow SECT to be null.
13334 (unlikely_text_section_p): Use SECTION_STYLE.
13335 (bss_initializer_p): New function.
13336 (get_variable_section): Move earlier in file. Take a new argument,
13337 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13338 Return one of the new *_sections in such cases.
13339 (get_block_for_decl): New function, extracting some logic from
13340 use_blocks_for_decl_p.
13341 (change_symbol_section): Remove in favor of...
13342 (change_symbol_block): ...this new function.
13343 (use_blocks_for_decl_p): Remove checks now performed by
13344 get_block_for_decl.
13345 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13346 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13347 (emit_local, emit_bss, emit_common): ...these new functions.
13348 Return true if the alignment was honored.
13349 (emit_tls_common): New function.
13350 (asm_emit_uninitialised): Delete.
13351 (assemble_variable_noswitch): New function, split out from...
13352 (assemble_variable): ...here. Don't make decisions about common
13353 variables here. Globalize all public decls that go into non-common
13354 sections. Check whether SYMBOL_REF_BLOCK is null.
13355 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13356 (output_constant_pool): Likewise.
13357 (init_varasm_once): Initialize the new section variables.
13358 (have_global_bss_p): New function.
13359 (categorize_decl_for_section): Use bss_initializer_p.
13360 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13361 (place_block_symbol): Assert that the symbol must be in a block.
13362 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13363 (TARGET_INITIALIZER): Include it.
13364 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13365 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13366 (SECTION_MACH_DEP): Bump by two.
13367 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13368 (unnamed_section): Mention SECTION_UNNAMED in comment.
13369 (named_section): Likewise SECTION_NAMED.
13370 (noswitch_section_callback): New type.
13371 (noswitch_section): New structure.
13372 (section): Add a noswitch_section alternative.
13373 (SECTION_STYLE): New macro.
13374 (tls_comm_section, comm_section, lcomm_section): Declare.
13375 (bss_noswitch_section, have_global_bss_p): Declare.
13376 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13377 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13379 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13380 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13383 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13385 * tree-vrp.c (execute_vrp): Return value.
13386 * regrename.c (rest_of_handle_regrename): Ditto.
13387 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13388 * tree-complex.c (tree_lower_complex): Ditto.
13389 (tree_lower_complex_O0): Ditto.
13390 * tracer.c (rest_of_handle_tracer): Ditto.
13391 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13392 * postreload.c (rest_of_handle_postreload): Ditto.
13393 * tree-tailcall.c (execute_tail_recursion): Ditto.
13394 (execute_tail_calls): Ditto.
13395 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13396 * tree.h (init_function_for_compilation): Ditto.
13397 * ipa-cp.c (ipcp_driver): Ditto.
13398 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13399 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13400 * final.c (compute_alignments): Ditto.
13401 (rest_of_handle_final): Ditto.
13402 (rest_of_handle_shorten_branches): Ditto.
13403 (rest_of_clean_state): Ditto.
13404 * omp-low.c (execute_expand_omp): Ditto.
13405 (execute_lower_omp): Ditto.
13406 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13407 * ipa-reference.c (static_execute): Ditto.
13408 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13409 * reorg.c (rest_of_handle_delay_slots): Ditto.
13410 (rest_of_handle_machine_reorg): Ditto.
13411 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13412 * flow.c (recompute_reg_usage): Ditto.
13413 (rest_of_handle_remove_death_notes): Ditto.
13414 (rest_of_handle_life): Ditto.
13415 (rest_of_handle_flow2): Ditto.
13416 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13417 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13418 (do_ssa_store_ccp): Ditto.
13419 (execute_fold_all_builtins): Ditto.
13420 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13421 * modulo-sched.c (rest_of_handle_sms): Ditto.
13422 * ipa-pure-const.c (static_execute): Ditto.
13423 * cse.c (rest_of_handle_cse): Ditto.
13424 (rest_of_handle_cse2): Ditto.
13425 * web.c (rest_of_handle_web): Ditto.
13426 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13427 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13428 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13429 * tree-nrv.c (tree_nrv): Ditto.
13430 (execute_return_slot_opt): Ditto.
13431 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13432 (create_structure_vars): Ditto.
13433 * loop-init.c (rtl_loop_init): Ditto.
13434 (rtl_loop_done): Ditto.
13435 (rtl_move_loop_invariants): Ditto.
13436 (rtl_unswitch): Ditto.
13437 (rtl_unroll_and_peel_loops): Ditto.
13438 (rtl_doloop): Ditto.
13439 * gimple-low.c (lower_function_body): Ditto.
13440 (mark_used_blocks): Ditto.
13441 * tree-ssa-sink.c (execute_sink_code): Ditto.
13442 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13443 (cgraph_early_inlining): Ditto.
13444 * global.c (rest_of_handle_global_alloc): Ditto.
13445 * jump.c (cleanup_barriers): Ditto.
13446 (purge_line_number_notes): Ditto.
13447 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13448 (rest_of_handle_if_after_reload): Ditto.
13449 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13450 (tree_ssa_loop_im): Ditto.
13451 (tree_ssa_loop_unswitch): Ditto.
13452 (tree_vectorize): Ditto.
13453 (tree_linear_transform): Ditto.
13454 (tree_ssa_loop_ivcanon): Ditto.
13455 (tree_ssa_empty_loop): Ditto.
13456 (tree_ssa_loop_bounds): Ditto.
13457 (tree_complete_unroll): Ditto.
13458 (tree_ssa_loop_prefetch): Ditto.
13459 (tree_ssa_loop_ivopts): Ditto.
13460 (tree_ssa_loop_done): Ditto.
13461 * predict.c (tree_estimate_probability): Ditto.
13462 * recog.c (split_all_insns_noflow): Ditto.
13463 (rest_of_handle_peephole2): Ditto.
13464 (rest_of_handle_split_all_insns): Ditto.
13465 * tree-eh.c (lower_eh_constructs): Ditto.
13466 * regmove.c (rest_of_handle_regmove): Ditto.
13467 (rest_of_handle_stack_adjustments): Ditto.
13468 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13469 * function.c (instantiate_virtual_regs): Ditto.
13470 (init_function_for_compilation): Ditto.
13471 (rest_of_handle_check_leaf_regs): Ditto.
13472 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13473 (rest_of_handle_gcse): Ditto.
13474 * ipa-type-escape.c (type_escape_execute): Ditto.
13475 * alias.c (rest_of_handle_cfg): Ditto.
13476 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13477 * profile.c (rest_of_handle_branch_prob): Ditto.
13478 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13479 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13480 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13481 * tree-dfa.c (find_referenced_vars): Ditto.
13482 * except.c (set_nothrow_function_flags): Ditto.
13483 (convert_to_eh_region_ranges): Ditto.
13484 (rest_of_handle_eh): Ditto.
13485 * emit-rtl.c (unshare_all_rtl): Ditto.
13486 (remove_unnecessary_notes): Ditto.
13487 * except.h (set_nothrow_function_flags): Ditto.
13488 (convert_to_eh_region_ranges): Ditto.
13489 * cfgexpand.c (tree_expand_cfg): Ditto.
13490 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13491 * tree-ssa-pre.c (do_pre): Ditto.
13492 (execute_fre): Ditto.
13493 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13494 (rest_of_handle_jump2): Ditto.
13495 * tree-sra.c (tree_sra): Ditto.
13496 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13497 (execute_mudflap_function_decls): Ditto.
13498 * tree-ssa-copy.c (do_copy_prop): Ditto.
13499 (do_store_copy_prop): Ditto.
13500 * ipa-prop.h (ipcp_driver): Ditto.
13501 * cfglayout.c (insn_locators_initialize): Ditto.
13502 * tree-ssa-forwprop.c
13503 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13504 * cfglayout.h (insn_locators_initialize): Ditto.
13505 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13506 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13507 (execute_late_warn_uninitialized): Ditto.
13508 * rtl.h (cleanup_barriers): Ditto.
13509 (split_all_insns_noflow): Ditto.
13510 (purge_line_number_notes): Ditto.
13511 (unshare_all_rtl): Ditto.
13512 (remove_unnecessary_notes): Ditto.
13513 (recompute_reg_usage): Ditto.
13514 (variable_tracking_main): Ditto.
13515 * integrate.c (emit_initial_value_sets): Ditto.
13516 * integrate.h (emit_initial_value_sets): Ditto.
13517 * tree-optimize.c (execute_free_datastructures): Ditto
13518 (execute_free_cfg_annotations): Ditto.
13519 (execute_fixup_cfg): Ditto.
13520 (execute_cleanup_cfg_pre_ipa): Ditto.
13521 (execute_cleanup_cfg_post_optimizing): Ditto.
13522 (execute_init_datastructures): Ditto.
13523 * tree-object-size.c (compute_object_sizes): Ditto.
13524 * combine.c (rest_of_handle_combine): Ditto.
13525 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13526 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13527 (rest_of_handle_reorder_blocks): Ditto.
13528 (rest_of_handle_partition_blocks): Ditto.
13529 * var-tracking.c (variable_tracking_main): Ditto.
13530 * tree-profile.c (tree_profiling): Ditto.
13531 * tree-vect-generic.c (expand_vector_operations): Ditto.
13532 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13533 * sched-rgn.c (rest_of_handle_sched): Ditto.
13534 (rest_of_handle_sched2): Ditto.
13535 * basic-block.h (free_bb_insn): Ditto.
13536 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13537 * tree-cfg.c (execute_build_cfg): Ditto.
13538 (remove_useless_stmts): Ditto.
13539 (split_critical_edges): Ditto.
13540 (execute_warn_function_return): Ditto.
13541 (execute_warn_function_noreturn): Ditto.
13542 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13543 * cfgrtl.c (free_bb_for_insn): Ditto.
13544 * passes.c (execute_one_pass): Run additional
13545 todos returned by execute function.
13546 * tree-pass.h (struct tree_opt_pass): Make execute
13549 2006-03-02 Richard Guenther <rguenther@suse.de>
13551 * tree-ssa-alias.c (find_used_portions): Consider taking
13552 the address as making the variable not write-only.
13554 2006-03-02 Nick Clifton <nickc@redhat.com>
13556 * config.gcc (default_use_cxa_atexit): Extend the description of
13557 this configure variable. Set its default value to "yes" for
13558 Linux, NetBSD and ELF targets on the assumption that they will
13559 use C libraries with the __cxa_atexit function.
13561 2006-03-02 Ben Elliston <bje@au.ibm.com>
13563 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13564 parameter as unused to suppress a build warning.
13566 2006-03-02 Ben Elliston <bje@au.ibm.com>
13568 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13571 2006-03-01 Roger Sayle <roger@eyesopen.com>
13574 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13575 declared name, the weak reference name, and the typeof name.
13576 (__gthrw): Avoid expanding the declared name suffix.
13577 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13579 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13581 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13583 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13584 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13585 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13586 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13587 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13588 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13589 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13590 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13591 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13592 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13593 (DW_END_default, DW_END_big, DW_END_little): New.
13594 (DW_END_lo_user, DW_END_hi_user): Define.
13595 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13596 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13597 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13600 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13602 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13604 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13606 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13608 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13610 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13611 to 'symbol_mem_tag'.
13613 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13616 2006-03-01 Roger Sayle <roger@eyesopen.com>
13618 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13620 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13623 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13624 MACHO_DYNAMIC_NO_PIC_P.
13625 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13627 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13630 * config/darwin-protos.h (darwin_asm_output_anchor):
13632 * config/darwin-sections.def (cstring_section):
13633 Add SECTION_MERGE to the flags.
13634 (literal4_section): Likewise.
13635 (literal8_section): Likewise.
13636 (objc_selector_refs_section): Likewise.
13637 (objc_cls_refs_section): Likewise.
13638 * config/darwin.c (darwin_asm_output_anchor): New
13640 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13642 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13644 Fix PR tree-optimization/26443
13645 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13646 to todo and PROP_tmt_usage to properties_destroyed.
13647 * tree-ssa-ccp.c (pass_ccp): Ditto.
13648 (pass_store_ccp): Ditto.
13649 * tree-ssa-dom.c (pass_dominator): Ditto.
13651 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13653 * tree-ssa-operands.c: Cleanup whitespace.
13654 (get_asm_expr_operands): Move before first invocation.
13655 (get_indirect_ref_operands): Likewise.
13656 (get_tmr_operands): Likewise.
13657 (get_call_expr_operands): Likewise.
13658 (append_def): Likewise.
13659 (append_use): Likewise.
13660 (append_v_may_def): Likewise.
13661 (append_v_must_def): Likewise.
13662 (add_call_clobber_ops): Likewise.
13663 (add_call_read_ops): Likewise.
13664 (add_stmt_operand): Likewise.
13665 (add_virtual_operand): Likewise.
13666 (build_ssa_operands): Likewise.
13668 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13670 PR middle-end/26022
13672 PR middle-end/24437
13673 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13674 with a call expr to ...
13675 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13677 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13679 * tree-vrp.c (extract_range_from_assert): Remove special
13680 handling for types with super-types.
13682 2006-03-01 Ben Elliston <bje@au.ibm.com>
13684 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13685 and powerpc64-*-linux* configurations.
13686 * config/t-dfprules: New file.
13688 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13689 Compile dfp-bit.c from the source directory using -DWIDTH and
13690 $DFP_CFLAGS to control the compilation of that file, rather than
13691 generating width-specific versions in the build directory.
13692 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13693 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13695 2006-02-28 Zack Weinberg <zackw@panix.com>
13697 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13700 2006-02-28 Eric Christopher <echristo@apple.com>
13702 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13703 Set up IN_LIBGCC definition of TARGET_64BIT.
13704 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13706 2006-02-28 Roger Sayle <roger@eyesopen.com>
13708 PR middle-end/14752
13709 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13710 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13711 cases via the construction of "expr != 0".
13713 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13715 * alias.c (alias_invariant, alias_invariant_size): Remove.
13716 (record_base_value): Remove.
13717 (memrefs_conflict_p): Don't look at alias_invariant.
13718 (end_alias_analysis): Don't free it.
13719 * alias.h (record_base_value): Remove prototype.
13721 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13722 Adam Nemet <anemet@caviumnetworks.com>
13724 * rtl.h (truncated_to_mode): Declare it.
13725 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13726 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13727 (RTL_HOOKS_INITIALIZER): Include it.
13728 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13729 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13730 reg_truncated_to_mode.
13731 * rtlanal.c (truncated_to_mode): Define it.
13732 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13734 2006-02-28 Jeff Law <law@redhat.com>
13736 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13737 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13738 the range allowed by TYPE_PRECISION.
13740 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13742 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13744 PR tree-optimization/26419
13745 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13748 2006-02-27 Zack Weinberg <zackw@panix.com>
13750 * doc/md.texi: Fix typo in previous change.
13752 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13756 2006-02-27 Zack Weinberg <zackw@panix.com>
13758 * rtl.def (define_constraint, define_register_constraint)
13759 (define_memory_constraint, define_address_constraint): New MD forms.
13760 * gensupport.c (process_rtx): Put define_constraint etc on the
13762 * genpreds.c (process_define_predicate): Adjust comment. Validate
13763 the name, and call validate_exp to validate the expression.
13764 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13765 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13766 all callers changed.
13767 (validate_exp, needs_variable, struct constraint_data)
13768 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13769 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13770 (const_dbl_constraints, constraint_max_namelen)
13771 (have_register_constraints, have_memory_constraints)
13772 (have_address_constraints, have_address_constraints)
13773 (have_extra_constraints, have_const_int_constraints)
13774 (have_const_dbl_constraints, mangle, add_constraint)
13775 (process_define_constraint, process_define_register_constraint)
13776 (write_enum_constraint_num, write_lookup_constraint)
13777 (write_insn_constraint_len, write_regclass_for_constraint)
13778 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13779 (write_insn_extra_memory_constraint)
13780 (write_insn_extra_address_constraint)
13781 (write_satisfies_constraint_fns): New.
13782 (write_tm_preds_h): If we have new-style constraint definitions,
13783 prototype the functions generated from them, and define the
13784 old constraint interface (still used by generic code) in terms of
13786 (write_insn_preds_c): If we have new-style constraint definitions,
13787 generate all relevant functions from those definitions.
13788 (main): Handle define_constraint etc.
13789 * genoutput.c (struct constraint_data, indep_constraints)
13790 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13791 (mdep_constraint_len): New data structures and functions, defined
13792 #ifdef USE_MD_CONSTRAINTS.
13793 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13794 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13795 use new logic to validate operand constraints against constraint
13797 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13799 * defaults.h: If none of the old-style constraint macros are
13800 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13801 old-style macros; and poison REG_CLASS_FROM_LETTER,
13802 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13804 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13805 * doc/md.texi: Document new constraint-definition mechanism and the
13806 C interface it provides. Remove references to old mechanism
13807 elsewhere in the document.
13808 (Machine Constraints): Use pathnames relative to gcc directory,
13809 i.e. config/ARCH/FILE. Change i386 section to refer to
13810 config/i386/predicates.md; update that section to match docstrings.
13811 * doc/tm.texi: Move all documentation of the old constraint-
13812 definition macros to their own section, clearly mark as obsolete.
13814 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13815 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13817 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13818 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13819 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13820 constraint strings.
13821 (splits and peepholes): Use satisfies_constraint_*.
13822 * config/i386/i386.c (memory_address_length)
13823 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13825 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13827 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13828 scalar operation to be put back into the loop.
13830 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13833 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13834 (extract_cie_info): Handle S flag in augmentation string.
13835 (execute_cfa_program): If context->signal_frame, execute also
13836 fs->pc == context->ra instructions.
13837 (uw_frame_state_for): If context->signal_frame, don't subtract one
13838 from context->ra to find FDE.
13839 (uw_update_context_1): Set context->signal_frame to
13841 (_Unwind_GetIPInfo): New function.
13842 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13843 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13845 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13846 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13847 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13848 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13849 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13850 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13851 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13852 x86_64_fallback_frame_state): Set fs->signal_frame.
13853 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13854 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13855 (frob_update_context): Likewise. Workaround missing S flag in
13856 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13857 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13858 Remove the psw_addr + 1 hack.
13860 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13862 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13863 with aggregates here.
13864 (find_func_aliases): Remove code for &<aggregate> from here.
13866 2006-02-26 Roger Sayle <roger@eyesopen.com>
13868 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13869 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13870 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13871 as (X & C) ne/eq 0.
13873 2006-02-26 Roger Sayle <roger@eyesopen.com>
13875 PR middle-end/19983
13876 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13878 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13880 * opts.c (decode_options): Do not handle flag_strength_reduce.
13881 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13882 and OPT_fstrength_reduce.
13883 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13884 flag_prefetch_loop_arrays for being nonzero.
13885 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13887 (fprefetch-loop-arrays-rtl): Removed.
13888 (flag_prefetch_loop_arrays): Do not specify the value.
13890 * doc/passes.texi: Update documentation of loop optimizer
13892 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13893 -frerun-loop-opt): Remove.
13895 2006-02-26 Richard Guenther <rguenther@suse.de>
13897 PR tree-optimization/26421
13898 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13899 in function calls that are ADDR_EXPRs as using the whole structure.
13901 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13903 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13904 * tree-pass.h (pass_loop_optimize): Remove.
13905 * passes.c (pass_loop_optimize): Never run it.
13906 * toplev.c (backend_init): Don't call init_loop.
13907 * opts.c (flag_loop_optimize_set): Remove.
13908 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13909 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13910 the old RTL loop optimizer when profiling enabled.
13911 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13912 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13913 pre-headers for the sake of the old RTL loop optimizer.
13914 * Makefile.in: Remove all references to loop.o.
13916 * doc/invoke.texi: Remove all references to -floop-optimize
13917 and -frerun-loop-opt.
13919 2006-02-26 Zack Weinberg <zackw@panix.com>
13921 * doc/md.texi (Machine Constraints): Refer to all files with paths
13922 relative to gcc directory (i.e. config/CPU/file). Add missing
13923 @table @code ... @end table to M32C subsection.
13925 2006-02-26 Roger Sayle <roger@eyesopen.com>
13927 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13929 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13931 2006-02-26 Roger Sayle <roger@eyesopen.com>
13932 James A. Morrison <phython@gcc.gnu.org>
13934 PR middle-end/21137
13935 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13936 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13937 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13938 signedness of the shift operation.
13940 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13942 PR tree-optimization/26359
13943 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13945 2006-02-25 Roger Sayle <roger@eyesopen.com>
13947 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13948 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13949 as X == 0, and some symmetry related transformations.
13950 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13952 2006-02-25 Roger Sayle <roger@eyesopen.com>
13954 PR middle-end/23673
13955 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13956 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13957 symmetry related transformations. Fold (X^C1) == C2 as
13960 2006-02-25 Juergen Weigert <jw@suse.de>
13961 Richard Guenther <rguenther@suse.de>
13963 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13965 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13967 * combine.c (gen_lowpart_or_truncate): Call
13968 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13970 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13972 * doc/invoke.texi: Move -fopenmp description to "Options for
13974 Remove reference to -lgomp.
13976 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13978 * doc/install.texi: Require GNU tar version 1.14.
13980 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13982 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13983 * doc/invoke.texi (C++ Dialect Options): Document
13984 -fno-use-cxa-get-exception-ptr.
13985 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13986 * configure: Regenerate.
13987 * c.opt (fuse-cxa-get-exception-ptr): New.
13988 * c-opts.c (c_common_handle_option): Handle
13989 OPT_fuse_cxa_get_exception_ptr.
13990 * c-common.c (flag_use_cxa_atexit): Update documentation.
13991 (flag_use_cxa_get_exception_ptr): New.
13992 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13993 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13995 (C_COMMON_OVERRIDE_OPTIONS): New.
13997 2006-02-24 Roger Sayle <roger@eyesopen.com>
13999 PR middle-end/24952
14000 * combine.c (try_combine): Explicitly check whether GET_CODE is
14001 a SET or a CLOBBER, instead on checking that it isn't a USE.
14003 2006-02-24 Roger Sayle <roger@eyesopen.com>
14005 * fold-const.c (fold_comparison): New subroutine of fold_binary
14006 containing transformations common to both the equality and
14007 ordering relational operators, factored out of fold_binary.
14008 (fold_binary): Separate out the equality operators (EQ_EXPR
14009 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14010 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14011 transformations common to both.
14012 (fold_div_compare): Fix latent bugs in the previously unreachable
14013 LT_EXPR and GE_EXPR cases.
14015 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14017 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14018 decl libname for clog to __clog on AIX.
14020 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14022 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14025 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14026 output traceback table for thunks. Localise rs6000_stack_info call.
14028 2006-02-23 Roger Sayle <roger@eyesopen.com>
14029 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14031 * gthr-posix.h (__gthrw): Fix typo in comment.
14033 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14035 * doc/cpp.texi (Character sets): Document that we do support
14036 input files to be in any character set.
14038 2006-02-23 Jeff Law <law@redhat.com>
14040 * tree.h (PHI_ARG_NONZERO): Remove.
14041 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14042 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14043 node to the new node.
14045 PR tree-optimization/26425
14046 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14047 min/max, then assume its varying.
14049 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14051 PR rtl-optimization/26316
14052 * rtlanal.c (enum may_trap_p_flags): New.
14053 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14054 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14055 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14056 (may_trap_after_code_motion_p): New function.
14057 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14058 (find_invariant_insn): Use may_trap_after_code_motion_p.
14059 * rtl.h (may_trap_after_code_motion_p): Declare.
14061 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14063 * emit-rtl.c (immed_double_const): Cleanup.
14065 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14067 Fix PR tree-optimization/26376
14068 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14071 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14073 PR middle-end/26412
14074 * gimplify.c (omp_add_variable): Guard variable size decl test with
14075 DECL_SIZE (decl) check.
14077 2006-02-23 Richard Guenther <rguenther@suse.de>
14079 PR middle-end/26439
14080 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14081 like aggregate types.
14083 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14085 * configure.ac: Add --with{,out}-long-double-128 configure option.
14086 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14087 * configure: Rebuilt.
14088 * config.in: Rebuilt.
14089 * doc/install.texi (Options specification): Document
14090 --with-long-double-128.
14092 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14093 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14094 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14095 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14097 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14099 * config/s390/s390.c (override_options): Handle
14100 TARGET_DEFAULT_LONG_DOUBLE_128.
14102 * config/alpha/alpha.c (override_options): Handle
14103 TARGET_DEFAULT_LONG_DOUBLE_128.
14105 * config/sparc/sparc.c (sparc_override_options): Handle
14106 TARGET_DEFAULT_LONG_DOUBLE_128.
14108 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14110 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14111 (real-install-headers-tar, real-install-headers-cpio)
14112 (real-install-headers-cp): New targets.
14114 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14116 * tree.h (variable_section): Delete.
14117 * varasm.c (variable_section): Delete.
14119 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14121 * install.texi: Add notes on install.texi2html.
14122 (Building in parallel): Do not use footnotes.
14124 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14127 * doc/install.texi (Configuration): Document --disable-libgomp.
14129 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14131 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14133 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14135 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14136 (vec_extractv2df_0_sse): New.
14138 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14140 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14141 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14142 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14143 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14144 to the result of the expression.
14145 (def_cfa_1): Adjust.
14146 (frame_pointer_cfa_offset): Rename to...
14147 (frame_pointer_fb_offset): ... this. Adjust all uses.
14148 (convert_cfa_to_loc_list): Rename to...
14149 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14150 Pass it on to build_cfa_loc.
14151 (compute_frame_pointer_to_cfa_displacement): Rename to...
14152 (compute_frame_pointer_to_fb_displacement): ... this. New
14153 offset parameter. Use it in computation.
14154 (gen_subprogram_die): Compute cfa_fb_offset with the new
14155 macro, and use it to compute the fb loc list and the
14158 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14160 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14161 replaced with register_operand.
14162 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14163 non-DREG is expensive.
14164 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14165 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14168 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14170 * doc/install.texi2html: Use set -e.
14172 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14174 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14175 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14176 * doc/invoke.texi (-fshared-data): Delete.
14177 * common.opt (fshared-data): Delete.
14178 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14179 (assemble_static_space): Remove #if 0 code.
14180 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14181 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14182 * config/cris/cris.h: Remove FIXME.
14184 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14186 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14189 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14191 PR middle-end/26379
14192 * combine.c (simplify_shift_const_1): Disable nested shifts
14193 optimization for vector shifts.
14195 2006-02-20 Roger Sayle <roger@eyesopen.com>
14197 PR tree-optimization/26361
14198 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14199 of unsigned integer types.
14201 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14203 * tree-chrec.c (eq_evolutions_p): New.
14204 * tree-chrec.h (eq_evolutions_p): Declared.
14205 * tree-data-ref.c: Fix formatting.
14206 (datadep_stats, dependence_stats): New.
14208 (print_direction_vector): New.
14209 (dump_data_dependence_relation): Use print_direction_vector.
14210 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14211 (compute_subscript_distance): Static.
14212 (initialize_data_dependence_relation): Static. Get the number
14213 of loops surrounding the references from the callers, and initialize
14214 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14215 base_object_differ_p analyzers.
14216 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14217 compute_overlap_steps_for_affine_1_2,
14218 analyze_subscript_affine_affine): Count the classified dependences.
14219 Print a message when a test failed.
14220 (can_use_analyze_subscript_affine_affine): New.
14221 (analyze_siv_subscript): Compute the data dependences on symbolic
14222 scevs that verify can_use_analyze_subscript_affine_affine.
14223 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14224 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14225 Handle symbolic scevs.
14226 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14228 (subscript_dependence_tester): Moved...
14229 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14230 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14231 DDR_SIZE_VECT instead of getting it in parameter.
14232 (subscript_dependence_tester): ... here. Take as a parameter
14233 loop_nest_depth. Call build_classic_dist_vector and
14234 build_classic_dir_vector.
14235 (compute_affine_dependence): Update subscript_dependence_tester
14236 parameters. Update datadep_stats counters. Call
14237 compute_subscript_distance.
14238 (compute_self_dependence): Save the dist and dir vectors. Call
14239 compute_subscript_distance.
14240 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14241 (compute_all_dependences): Reorder parameters as they were before
14242 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14243 compute_subscript_distance. Update the use of
14244 compute_affine_dependence and initialize_data_dependence_relation.
14245 (find_data_references_in_loop): Handle COMPONENT_REF.
14246 (compute_data_dependences_for_loop): Initialize dependence_stats.
14247 Don't call build_classic_dist_vector and build_classic_dir_vector.
14248 Update the parameters of initialize_data_dependence_relation and
14249 compute_all_dependences. Print the statistics from datadep_stats.
14250 (analyze_all_data_dependences): Static. Not used until the pass for
14251 checking the data dependences is contributed.
14252 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14253 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14254 (initialize_data_dependence_relation, compute_affine_dependence,
14255 analyze_all_data_dependences, compute_subscript_distance): Removed.
14256 (print_direction_vector): New.
14257 * lambda.h (gcd): ... here.
14258 (lambda_vector_gcd): Moved here from gcd_vector.
14259 * lambda-code.c (gcd, gcd_vector): Removed.
14260 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14261 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14263 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14265 * ipa-type-escape.c: Tidy some comments and white space.
14266 * tree-ssa-operands.c: Likewise.
14268 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14271 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14272 (dump_decl_name): Do not walk the decl tree chains.
14273 * tree-pass.h (TDF_CHAIN): Remove.
14275 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14277 * Makefile.in (C): Remove
14279 (.PHONY): Remove C and PROTO
14281 2006-02-20 Roger Sayle <roger@eyesopen.com>
14283 PR middle-end/26236
14284 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14285 deprecated CHAR_TYPE tree code.
14287 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14289 * configure.ac (target_list): Add install-info, dvi, html.
14290 * configure: Regenerate.
14292 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14293 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14294 treelang/Make-lang.in: Do not use double-colon rules.
14296 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14298 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14299 (TMT_USED_ALONE): New macro.
14300 * tree-pass.h (PROP_tmt_usage): New property.
14301 (TODO_update_tmt_usage): New todo.
14302 * tree-ssa-alias.c (updating_used_alone): New variable.
14303 (recalculate_used_alone): New function.
14304 (compute_may_aliases): Set updating_used_alone, call
14305 recalculate_used_alone.
14306 * tree-sra.c (pass_sra): Note that this pass destroys
14307 PROP_tmt_usage, and add TODO_update_tmt_usage.
14308 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14309 * tree-flow.h (updating_used_alone): Prototype.
14310 (recalculate_used_alone): Ditto.
14311 * passes.c (execute_todo): Add code to set updating_used_alone,
14312 and call recalculate.
14313 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14314 for clobber if used alone, and add assert to verify used_alone
14317 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14319 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14320 for non tls symbols added.
14321 (legitimize_address): Do nothing for PLUS expressions if one of the
14322 addends is a tls symbol reference.
14324 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14328 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14330 * Makefile.in (BOOTSTRAPPING): New.
14331 (quickstrap): New definition if BOOTSTRAPPING=yes.
14333 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14334 * configure.ac: Substitute all_selected_languages with the languages
14335 that were configured. For all the other variables except
14336 lang_specs_files, include all the languages in the tree.
14337 * configure: Regenerate.
14339 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14340 if there is one. Run the commands to run fixincludes in the same
14343 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14344 * doc/install.texi: Document exact conventions for searching target tools.
14345 Document --with-build-time-tools. Document toplevel bootstrap. Document
14346 something more about building an Ada cross-compiler. Don't list GNU Make
14347 requirements which affect all platforms.
14349 2006-02-19 Roger Sayle <roger@eyesopen.com>
14351 PR middle-end/19543
14352 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14353 only equivalent if the have both the same mode and precision.
14355 2006-02-20 Ben Elliston <bje@au.ibm.com>
14357 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14359 2006-02-19 Roger Sayle <roger@eyesopen.com>
14360 Steven Bosscher <stevenb.gcc@gmail.com>
14362 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14363 constant pool references to identify stack mode constants.
14364 * rtlanal.c (constant_pool_constant_p): New predicate to check
14365 whether operand is a floating point constant in the pool.
14366 * rtl.h (constant_pool_constant_p): Prototype here.
14367 * loop.c (scan_loop): Avoid hoisting constants from the constant
14368 pool on STACK_REGS targets.
14369 (load_mems): Likewise.
14370 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14371 loads into x87 registers expensive in terms of register pressure.
14373 2006-02-19 Roger Sayle <roger@eyesopen.com>
14375 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14376 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14378 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14380 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14381 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14383 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14385 * doc/invoke.texi: Document -fipa-pta.
14386 * common.opt: Add ipa-pta option.
14387 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14388 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14389 (do_ds_constraint): Ditto.
14390 (get_constraint_for): Only add to referenced_vars if
14391 referenced_vars exists.
14392 (insert_into_field_list): Rewrite to do this unsorted.
14393 (insert_into_field_list_sorted): Rename old insert_into_field_list
14395 (create_function_info_for): Use insert_into_field_list_sorted.
14396 (create_variable_info_for): Rewrite so it uses unsorted version,
14397 since the field list is sorted.
14398 (intra_create_variable_infos): Only add to referenced_vars if
14399 referenced_vars exists.
14400 (ipa_pta_execute): Init heapvars, and delete when done.
14401 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14403 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14405 * doc/install.texi: Add missing `@samp'.
14407 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14409 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14412 2006-02-18 Mark Wielaard <mark@klomp.org>
14414 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14415 who added new 4.1 features, bug fixes and integration support.
14417 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14420 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14421 MEM for ABI_V4 pic.
14423 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14425 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14426 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14427 (copy_insn_1): Likewise. Don't copy each field individually.
14429 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14431 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14432 * rtl.c (rtx_size): Rename variable to...
14433 (rtx_code_size): ...this.
14434 (rtx_size): New function.
14435 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14436 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14438 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14439 * rtl.h (rtx_code_size): New variable.
14440 (rtx_size): Change from a variable to a function.
14441 (RTX_SIZE): Rename to...
14442 (RTX_CODE_SIZE): ...this.
14445 PR tree-optimization/17106
14446 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14447 (Anchored Addresses): New section.
14448 * doc/invoke.texi (-fsection-anchors): Document.
14449 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14450 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14451 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14452 * hooks.c (hook_bool_mode_rtx_false): New function.
14453 * hooks.h (hook_bool_mode_rtx_false): Declare.
14454 * gengtype.c (create_optional_field): New function.
14455 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14456 SYMBOL_REF_IN_BLOCK_P is true.
14457 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14458 (min_anchor_offset, max_anchor_offset): Likewise.
14459 (use_anchors_for_symbol_p): New hook.
14460 * toplev.c (compile_file): Call output_object_blocks.
14461 (target_supports_section_anchors_p): New function.
14462 (process_options): Check that -fsection-anchors is only used on
14463 targets that support it and when -funit-at-a-time is in effect.
14464 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14465 if the decl doesn't have one.
14466 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14467 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14468 of force_const_mem through use_anchored_address.
14469 (expand_expr_constant): New function.
14470 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14471 calling expand_expr for INDIRECT_REF.
14472 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14473 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14474 * expr.h (use_anchored_address): Declare.
14475 * loop-unroll.c: Don't declare rtx vectors here.
14476 * explow.c: Include output.h.
14477 (validize_mem): Call use_anchored_address.
14478 (use_anchored_address): New function.
14479 * common.opt (-fsection-anchors): New switch.
14480 * varasm.c (object_block_htab, anchor_labelno): New variables.
14481 (hash_section, object_block_entry_eq, object_block_entry_hash)
14482 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14483 (use_blocks_for_decl_p, change_symbol_section): New functions.
14484 (get_variable_section): New function, split out from assemble_variable.
14485 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14486 use_blocks_for_decl_p say so. Use change_symbol_section if the
14487 symbol has already been created.
14488 (assemble_variable_contents): New function, split out from...
14489 (assemble_variable): ...here. Don't output any code for
14490 block symbols; just pass them to place_block_symbol.
14491 Use get_variable_section and assemble_variable_contents.
14492 (get_constant_alignment, get_constant_section, get_constant_size): New
14493 functions, split from output_constant_def_contents.
14494 (build_constant_desc): Create a block symbol if use_object_blocks_p
14495 says so. Or into SYMBOL_REF_FLAGS.
14496 (assemble_constant_contents): New function, split from...
14497 (output_constant_def_contents): ...here. Don't output any code
14498 for block symbols; just pass them to place_section_symbol.
14499 Use get_constant_section and get_constant_alignment.
14500 (force_const_mem): Create a block symbol if use_object_blocks_p and
14501 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14502 (output_constant_pool_1): Add an explicit alignment argument.
14503 Don't switch sections here.
14504 (output_constant_pool): Adjust call to output_constant_pool_1.
14505 Switch sections here instead. Don't output anything for block symbols;
14506 just pass them to place_block_symbol.
14507 (init_varasm_once): Initialize object_block_htab.
14508 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14509 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14510 (place_block_symbol, get_section_anchor, output_object_block)
14511 (output_object_block_htab, output_object_blocks): New functions.
14512 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14513 (TARGET_ASM_OUT): Include it.
14514 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14515 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14516 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14517 (TARGET_INITIALIZER): Include them.
14518 * rtl.c (rtl_check_failed_block_symbol): New function.
14519 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14520 (block_symbol, object_block): New structures.
14521 (rtx_def): Add a block_symbol field to the union.
14522 (BLOCK_SYMBOL_CHECK): New macro.
14523 (rtl_check_failed_block_symbol): Declare.
14524 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14525 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14526 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14527 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14528 * output.h (output_section_symbols): Declare.
14529 (object_block): Name structure.
14530 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14531 (default_use_anchors_for_symbol_p): Declare.
14532 * Makefile.in (RTL_BASE_H): Add vec.h.
14533 (explow.o): Depend on output.h.
14534 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14535 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14536 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14537 (rs6000_use_blocks_for_constant_p): New function.
14539 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14541 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14543 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14546 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14549 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14551 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14555 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14557 PR middle-end/26334
14558 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14559 instead of DECL_REGISTER.
14561 2006-02-18 Olivier Hainque <hainque@adacore.com>
14564 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14566 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14569 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14570 * opth-gen.awk: Handle Var and InverseMask together.
14571 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14572 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14573 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14574 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14576 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14577 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14578 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14579 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14580 LINUX_DYNAMIC_LINKER): Define.
14581 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14582 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14584 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14585 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14586 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14587 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14588 (TARGET_C99_FUNCTIONS): Don't define.
14589 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14590 GLIBC_DYNAMIC_LINKER.
14591 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14592 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14593 GLIBC_DYNAMIC_LINKER64): Define.
14594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14595 LINUX_DYNAMIC_LINKER64.
14596 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14598 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14600 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14601 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14602 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14603 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14604 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14605 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14606 and LINUX_DYNAMIC_LINKER32.
14607 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14609 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14610 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14611 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14613 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14614 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14615 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14616 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14617 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14618 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14619 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14620 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14621 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14622 LINUX_DYNAMIC_LINKER): Define.
14623 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14624 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14625 GLIBC_DYNAMIC_LINKER64): Define.
14626 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14627 LINUX_DYNAMIC_LINKER64.
14628 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14629 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14630 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14631 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14632 LINUX_DYNAMIC_LINKER): Define.
14633 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14634 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14635 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14636 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14637 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14638 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14639 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14640 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14641 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14642 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14643 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14644 * doc/invoke.texi (-muclibc): Remove caveat about supported
14647 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14649 * doc/cpp.texi (__TIMESTAMP__): Document.
14651 2006-02-17 Roger Sayle <roger@eyesopen.com>
14653 PR middle-end/25600
14654 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14655 C is one less than the width of X (and related transformations).
14656 * simplify-rtx.c (simplify_unary_operation_1): Transform
14657 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14658 depending on STORE_FLAG_VALUE, were C is one less then the
14661 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14663 Fix PR tree-optimization/26341
14664 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14665 about NAME_MEMORY_TAG's.
14667 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14670 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14671 with hardware float support, and software float support. Add fcpy
14672 alternative to hardware patterns. Add alternatives to copy between
14673 general and floating-point registers to the 32-bit pattern.
14674 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14675 secondary reload to load a QI or HI mode constant into a floating
14677 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14678 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14680 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14683 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14685 (load_macho_picbase_di): Likewise.
14687 2006-02-16 Jeff Law <law@redhat.com>
14689 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14690 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14691 (ssa_name_nonzero_p): Likewise.
14692 (get_value_range): Return NULL if VRP is not running.
14693 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14694 VRP routines do not discover a range.
14695 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14696 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14697 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14698 (tree_expr_nonnegative_p): Similarly.
14699 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14700 (restore_nonzero_vars_to_original_value): Remove.
14701 (unsafe_associative_fp_binop): Remove.
14702 (tree_ssa_dominator_optimize): Remove initialization and
14703 finalization of nonzero_vars and nonzero_vars_stack.
14704 (dom_opt_initialize_block): No longer push marker on
14705 nonzero_vars_stack.
14706 (dom_opt_finalize_block): No longer call
14707 restore_nonzero_vars_to_original_value.
14708 (record_equivalences_from_phis): No longer look for
14709 nonzero PHI arguments.
14710 (cprop_into_successor_phis): No longer propagate nonzero
14711 property into PHI arguments. Lose unused argument. Caller
14713 (record_equivalences_from_stmt): No longer record nonzero
14714 values for SSA_NAMEs.
14715 (lookup_avail_expr): No longer use nonzero_vars.
14717 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14718 for sizetype when sizetype is unsigned.
14720 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14722 PR rtl-optimization/25603
14723 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14724 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14725 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14726 with new meaning of SETS.
14728 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14733 * config/linux.opt: New file.
14734 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14735 LINUX_DYNAMIC_LINKER): Define.
14736 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14737 * config.gcc (*-*-linux*): Define extra_options.
14738 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14739 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14740 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14741 GLIBC_DYNAMIC_LINKER.
14742 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14743 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14744 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14745 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14746 * doc/invoke.texi (GNU/Linux Options): New section.
14748 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14750 * config/sparc/sparc.md (setjmp): Rewrite.
14751 (setjmp_32): Delete.
14752 (setjmp_64): Likewise.
14754 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14756 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14759 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14761 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14764 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14766 PR rtl-optimization/26296
14767 * Makefile.in (loop-invariant.c): Add except.h dependency.
14768 * loop-invariant.c: Include except.h.
14769 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14771 2005-02-16 Paul Brook <paul@codesourcery.com>
14773 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14776 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14778 PR rtl-optimization/25636
14779 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14780 when deciding whether an insn is an initializing insn.
14782 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14784 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14785 (tree_code_size): Ditto.
14786 * tree.h (struct tree_memory_tag): Remove parent_var.
14787 (struct tree_struct_field_tag): New.
14790 (union tree_node): Add sft member.
14791 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14793 (create_sft): Add size and offset argument, set SFT_OFFSET and
14795 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14796 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14797 * tree-flow-inline.h (get_subvar_at): Update for
14798 SFT_OFFSET/SFT_SIZE.
14799 (var_can_have_subvars): Ditto.
14800 (overlap_subvar): Ditto.
14801 * print-tree.c (print_node): Print out interesting things for
14803 * tree-flow.h (struct subvar): Remove offset and size members.
14804 * tree-ssa-operands.c (get_expr_operands): Update for
14805 get_indirect_ref_operands changes.
14806 (get_indirect_ref_operands): Call add_virtual_operand instead of
14807 add_stmt_operand. Only recurse on base var if requested.
14808 (access_can_touch_variable): New function.
14809 (add_stmt_operand): Split virtual operand handling into ...
14810 (add_virtual_operand): Here. Add offset, size, and for_clobber
14811 arguments. Prune alias sets.
14812 (add_call_clobber_ops): Call add_virtual_operand.
14814 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14816 PR middle-end/26300
14817 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14819 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14820 than TREE_CODE as index into omp_clause_num_ops array.
14822 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14824 PR rtl-optimization/26184
14825 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14827 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14828 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14829 must_precede, must_follow and tobe_scheduled.
14832 * opts.c (common_handle_option): Free new_option pointer.
14833 * df-core.c (df_analyze): Free postorder pointer.
14835 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14837 * Makefile.in: Fix the examples about the use of stamps
14839 2006-02-15 Michael Matz <matz@suse.de>
14841 PR middle-end/22275
14843 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14844 influenced by maximum_field_alignment or DECL_PACKED.
14845 (update_alignment_for_field): Ditto.
14846 (place_field): Ditto.
14847 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14850 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14852 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14853 (debug_flow_info): Pass it.
14854 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14855 * bb-reorder.c (reorder_basic_blocks): Likewise.
14856 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14857 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14858 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14859 * gcse.c (gcse_main, bypass_jumps): Likewise.
14860 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14861 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14862 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14863 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14864 * rtl.h (dump_flow_info): Adjust prototype.
14865 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14866 * var-tracking.c (variable_tracking_main): Likewise.
14867 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14868 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14871 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14873 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14876 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14878 PR tree-optimization/26209
14879 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14880 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14882 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14884 2006-02-14 Roger Sayle <roger@eyesopen.com>
14886 PR middle-end/23670
14887 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14888 (X,Y) and the corresponding symmetry related transformations.
14889 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14890 (X,Y) and its symmetry related transformations.
14892 2006-02-14 Roger Sayle <roger@eyesopen.com>
14894 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14897 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14899 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14901 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14904 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14905 support COMDAT group.
14906 * configure: Regenerate.
14908 2006-02-14 Roger Sayle <roger@eyesopen.com>
14910 PR middle-end/26279
14911 PR middle-end/26280
14912 PR middle-end/26283
14913 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14915 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14917 Fix PR tree-optimization/26260
14919 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14921 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14922 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14923 * tree-ssa-structalias.c (create_variable_info_for): Use
14924 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14926 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14928 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14930 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14931 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14932 of the ending condition.
14933 * tree-ssa-loop-manip.c: Include params.h.
14934 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14935 tree_unroll_loop): New functions.
14936 * tree-pass.h (pass_loop_prefetch): Declare.
14937 * loop.c (rest_of_handle_loop_optimize): Test for
14938 -fprefetch-loop-arrays-rtl.
14939 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14940 * timevar.def (TV_TREE_PREFETCH): New timevar.
14941 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14942 pass_loop_prefetch): New.
14943 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14944 (cleanup_tree_cfg_loop): Call scev_reset.
14945 * common.opt (fprefetch-loop-arrays-rtl): Add.
14946 * tree-ssa-loop-prefetch.c: New file.
14947 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14948 (new_temp_expr_table): Initialize expr_vars.
14949 (free_temp_expr_table): Cleanup expr_vars.
14950 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14951 expressions from being merged into one.
14952 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14953 (struct tree_niter_desc): Add control, bound and cmp fields.
14954 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14956 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14957 (tree-cfgcleanup.o): Add SCEV_H dependency.
14958 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14959 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14961 2006-02-14 Richard Guenther <rguenther@suse.de>
14963 PR tree-optimization/26258
14964 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14965 in PHI argument processing.
14967 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14969 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14970 new expression in the requested machine mode.
14972 2006-02-13 Roger Sayle <roger@eyesopen.com>
14974 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14975 directly, instead let do_compare_rtx_and_jump handle this for us.
14976 * expr.c (expand_expr_real_1): Likewise.
14977 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14978 before do_jump_by_parts_greater.
14979 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14980 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14982 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14984 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14986 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14988 PR rtl-optimization/26235
14989 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14990 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14993 2006-02-13 Jeff Law <law@redhat.com>
14995 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14998 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15000 PR middle-end/26092
15001 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15002 twice if decl is a builtin. When trying again, call get_callee_fndecl
15003 first to verify it is still a builtin.
15005 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15007 * dwarf2out.c (base_type_die): Don't add AT_name here.
15008 (subrange_type_die): Don't add AT_name here.
15009 (modified_type_die): Rearrange code flow. Do add AT_name here.
15011 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15013 PR rtl-optimization/26247
15014 PR rtl-optimization/26248
15015 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15017 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15019 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15020 * config/fixtfdi.c: Likewise.
15021 * config/fixunstfdi.c: Likewise.
15022 * config/floatditf.c: Likewise.
15024 2006-02-13 Roger Sayle <roger@eyesopen.com>
15026 PR middle-end/24427
15027 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15028 into (X,C2) if C1 is a subset of the bits of C2. Transform
15029 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15031 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15033 2006-02-13 Josh Conner <jconner@apple.com>
15036 * varasm.c (function_section): Check for section name before
15037 calling select_section on targets that define
15038 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15039 unlikely_text_section instead of hot_function_section if
15040 first_function_block_is_cold.
15042 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15044 PR middle-end/25335
15045 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15047 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15049 PR rtl-optimization/26222
15050 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15051 after tree->rtl expansion.
15052 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15053 before passing it to emit_move_insn.
15055 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15057 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15059 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15060 Clarify documentation.
15061 * c-common.h (warn_write_strings): Remove.
15062 * c-common.c (warn_write_strings): Likewise.
15063 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15066 2006-02-12 Roger Sayle <roger@eyesopen.com>
15068 PR middle-end/25724
15069 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15070 (do_jump_parts_zero_rtx): New function renamed from
15071 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15072 (do_jump_parts_equality_rtx): New function split out from
15073 do_jump_parts_equality. Old implementation renamed as above.
15074 Call do_jump_parts_zero_rtx if either operand is zero.
15075 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15076 do all of the heavy lifting.
15077 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15078 calling either do_jump_by_parts_greater_rtx or
15079 do_jump_by_parts_equality_rtx.
15080 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15081 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15082 moved to do_compare_rtx_and_jump, call it directly.
15083 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15084 mode argument. Call do_compare_rtx_and_jump.
15085 (emit_case_nodes): Update calls to do_jump_if_equal.
15087 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15089 PR rtl-optimization/26225
15090 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15092 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15094 PR rtl-optimization/26232
15095 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15097 2006-02-11 Jason Merrill <jason@redhat.com>
15100 * tree-inline.c (declare_return_variable): Just don't use the
15101 modify target if it's a gimple complex reg and the return slot
15104 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15106 * doc/contrib.texi: Update my entry.
15108 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15110 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15112 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15114 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15117 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15119 * doc/invoke.texi (-floop-optimize2): Removed.
15120 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15121 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15122 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15123 * common.opt (floop-optimize2): Removed.
15124 (fmove-loop-invariants): Enabled by default.
15126 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15128 * tree-if-conv.c (combine_blocks): Free the result of
15129 get_loop_exit_edges.
15131 2006-02-10 Jeff Law <law@redhat.com>
15133 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15135 PR tree-optimization/26213
15136 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15137 loop trying to follow SSA_NAME_VALUE chains.
15139 2006-02-10 Richard Guenther <rguenther@suse.de>
15141 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15142 deal with structures that end in implicitly variable sized arrays.
15144 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15146 PR rtl-optimization/24762
15147 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15150 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15152 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15153 (struct ivopts_data): Add regs_used field.
15154 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15155 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15156 instead of loop_data->regs_used;
15157 (free_loop_data): Do not free aux fields for loops.
15158 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15159 and tree_ssa_iv_optimize_finalize.
15161 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15163 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15165 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15168 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15169 computing the effective result type.
15171 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15173 PR inline-asm/16194
15174 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15175 (tree_overlaps_hard_reg_set): Declare.
15176 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15177 type and signature to match function type expected by walk_tree.
15178 (tree_overlaps_hard_reg_set): New function.
15179 (decl_conflicts_with_clobbers_p): Rename to:
15180 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15181 Use tree_overlaps_hard_reg_set. Changed caller.
15182 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15183 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15184 * cris.c (cris_md_asm_clobbers): Likewise.
15186 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15188 * reload1.c (emit_input_reload_insns): Delete code that tries to
15189 inherit using find_equiv_reg.
15191 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15193 * c-common.h (flag_const_strings): Don't declare.
15194 * c-common.c (flag_const_strings): Remove.
15195 * c.opt (fconst_strings): Remove.
15196 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15197 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15198 (c_common_init_options): Don't set flag_const_strings.
15199 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15201 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15203 * arm.md (tlobits_cbranch): New pattern.
15204 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15205 testing a single bit.
15207 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15210 * tree-ssa-pre.c (create_component_ref_by_pieces):
15211 Handle RETURN_DECL like VAR_DECL.
15213 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15215 PR middle-end/26134
15216 * fold-const.c (fold_indirect_ref_1): Fold
15217 "*(foo *)&complexfoo" to "__real__ complexfoo"
15218 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15220 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15222 * tree-flow-inline.h (var_can_have_subvars):
15223 Volatile variables should not have subvariables.
15225 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15228 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15229 multiplying unsigned values.
15232 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15234 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15236 2006-02-08 Jason Merrill <jason@redhat.com>
15239 * tree.def: Elaborate on difference from MODIFY_EXPR.
15240 * doc/c-tree.texi (INIT_EXPR): Likewise.
15241 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15242 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15243 (gimplify_target_expr): Likewise.
15244 (gimplify_cond_expr): Remove target handling.
15245 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15246 (gimplify_expr): Clobber it here.
15247 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15248 Do return slot optimization if we have an INIT_EXPR.
15251 * tree-inline.c (declare_return_variable): Also clear
15252 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15255 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15257 PR middle-end/22439
15258 * gimplify.c (gimplify_one_sizepos): Fix typo.
15260 2006-02-08 Jeff Law <law@redhat.com>
15262 PR tree-optimization/21417
15263 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15264 across a backedge if the control statement at the end of the
15265 block is data dependent on other statements in the same block.
15266 (record_temporary_equivalences_from_stmts): Remove over-conservative
15267 test for threading across backedges.
15269 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15270 control statement, handle all three special cases in the same
15271 manner as they all have the same desired solution. No longer
15272 special case edge flag updating when the post dominator is
15275 2006-02-08 Roger Sayle <roger@eyesopen.com>
15277 * tree.def (CHAR_TYPE): Remove.
15278 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15279 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15280 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15281 (gen_string_type_die): Delete unreachable function.
15283 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15284 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15285 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15286 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15287 * builtins.c (type_to_class): Likewise.
15288 * fold-const.c (fold_convert, build_range_check,
15289 merge_ranges): Likewise.
15290 * expr.c (count_type_elements): Likewise.
15291 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15292 * stor-layout.c (layout_type): Likewise.
15293 * ipa-type-escape.c (type_to_consider): Likewise.
15294 * gimplify.c (omp_firstprivatize_type_sizes,
15295 gimplify_type_sizes): Likewise.
15296 * explow.c (promote_mode): Likewise.
15297 * tree-sra.c (is_sra_scalar_type): Likewise.
15298 * varasm.c (output_constant): Likewise.
15299 * tree-inline.c (remap_type_1): Likewise.
15300 * convert.c (convert_to_pointer, convert_to_real,
15301 convert_to_integer, convert_to_complex): Likewise.
15303 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15305 * df-scan.c (df_def_record_1): A set destination may
15306 be a parallel regardless of mode.
15308 2006-02-08 Roger Sayle <roger@eyesopen.com>
15311 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15312 * config/mips/_tilib.c: Remove.
15313 * config/fixtfdi.c: New libgcc source file.
15314 * config/fixunstfdi.c: New source file.
15315 * config/floatditf.c: New source file.
15316 * config/floatunditf.c: New souce file.
15317 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15318 files above instead of config/mips/_tilib.c.
15319 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15321 2006-02-08 Jeff Law <law@redhat.com>
15323 PR tree-optimization/26169
15324 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15327 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15329 * df.h (DF_REG_SIZE): Return the length of the initialized
15332 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15334 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15335 __muldf3): Return a correctly signed zero.
15337 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15339 * passes.c (register_one_dump_file): Accept the current properties
15340 instead of pass number. Adjust call to dump_register. Remove
15342 (register_dump_files): Now a wrapper around...
15343 (register_dump_files_1): ... this one. Do not modify the pass
15345 (next_pass_1): Cosmetic fix.
15346 (execute_todo): Keep second parameter only. Use curr_properties
15347 instead of fetching it from the pass structure. Check and set
15349 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15350 instead of fetching it from the pass structure. Fix calls to
15351 execute_todo. Update curr_properties and initialize .vcg RTL dump
15352 after running the pass. Reset last_verified.
15353 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15355 (FIRST_AUTO_NUMBERED_DUMP): New.
15356 (dump_register): Remove "num" parameter, assign it within the
15358 (get_dump_file_name): Modify template for dumps.
15359 * tree-dump.h (dump_register): Adjust prototype.
15360 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15361 (PROP_trees): Add PROP_gimple_lomp.
15362 (TODO_set_props): New.
15363 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15364 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15365 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15367 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15369 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15370 (sparc64-*-linux*): Likewise.
15371 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15372 * config/sparc/t-linux: New file.
15373 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15374 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15375 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15376 -m32 -mlong-double-128.
15378 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15379 * config/alpha/t-linux: New file.
15380 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15382 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15383 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15384 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15385 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15386 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15387 (CPP_ARCH32_SPEC): Remove.
15389 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15391 PR tree-optimization/26145
15392 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15395 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15398 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15399 >= 240000 when generating code for SOM runtime.
15400 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15401 to $$dyncall when generating code for SOM runtime..
15403 2006-02-07 Dirk Mueller <dmueller@suse.com>
15406 * doc/invoke.texi (-Wsequence-point): Update documentation
15407 that -Wsequence-point is implemented for C++ as well.
15409 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15411 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15412 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15413 (LIB_SPEC): Likewise.
15414 * doc/invoke.texi (SPARC options): Document -pthread.
15416 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15418 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15421 2006-02-07 Roger Sayle <roger@eyesopen.com>
15423 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15424 Correct comment describing BOOLEAN_TYPE.
15426 2006-02-07 Dirk Mueller <dmueller@suse.com>
15428 * c.opt: C++ frontend supports -Wdiv-by-zero.
15429 * c-opts.c (c_common_handle_option): Remove dead case.
15431 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15433 * configure.ac (TLS assembler check): Do not enable TLS by
15434 default on SPARC/Solaris before version 10.
15435 * configure: Regenerate.
15437 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15439 * doc/invoke.texi (xl-compat): Document conversion and support
15442 2006-02-07 Jeff Law <law@redhat.com>
15444 * tree-vrp.c (find_conditional_asserts): Update comments.
15445 (simplify_stmt_for_jump_threading): New.
15446 (identify_jump_threads, finalize_jump_threads): New.
15447 (vrp_finalize): Call identify_jump_threads.
15448 (execute_vrp): Call finalize_jump_threads.
15449 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15450 (vrp_element, vrp_data, vrp_element_p): Remove.
15451 (vrp_hash_elt, vrp_variables_stack): Remove.
15452 (vrp_hash, vrp_eq, record_range): Remove.
15453 (simplify_cond_and_lookup_avail_expr): Remove.
15454 (extract_range_from_cond): Remove.
15455 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15456 (simplify_stmt_for_jump_threading): New.
15457 (dom_thread_across_edge): New wrapper.
15458 (tree_ssa_dominator_optimize): No longer initialize or
15459 finalize any of the VRP datastructures. Remove iteration
15460 step and simplify as a result of removal of iteration step.
15461 (pass_dominator): Perform a cfg cleanup after DOM.
15462 (dom_opt_finalize_block): Use the new common routines
15463 for threading jumps. Simplify stack management slightly.
15464 No longer need to unwind VRP state.
15465 (record_equivalences_from_incoming_edge): No longer record
15467 (eliminate_redundant_computations): No longer call
15468 simplify_cond_and_lookup_avail_expr.
15469 * tree-flow.h (potentially_threadable_block): Prototype.
15470 (thread_across_edge): Likewise.
15471 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15472 (tree-ssa-threadedge.o): Add dependencies.
15473 * tree-ssa-threadedge.c: New file.
15474 * passes.c (init_optimization_passes): Merge PHIs before
15475 calling VRP. Run VRP again late in the SSA optimization pipeline.
15477 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15479 * df-core.c (df_set_blocks): Do not dereference function pointers.
15480 (df_finish1): Likewise.
15481 (df_hybrid_search_forward): Likewise.
15482 (df_hybrid_search_backward): Likewise.
15483 (df_iterative_dataflow): Likewise.
15484 (df_analyze_problem): Likewise.
15485 (df_compact_blocks): Likewise.
15486 (df_dump): Likewise.
15487 * df-scan.c (df_rescan_blocks): Likewise.
15488 (df_record_entry_block_defs): Likewise.
15490 * genconditions.c (write_conditions): Guard the definition of
15491 'insn_conditions' with the check on GCC version.
15492 (write_writer): Guard the traversal 'insn_conditions' with
15493 the check on GCC version.
15495 2006-02-07 Richard Guenther <rguenther@suse.de>
15499 2006-01-30 Richard Guenther <rguenther@suse.de>
15501 * gimplify.c (gimplify_target_expr): Handle easy cases
15502 without creating a temporary.
15504 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15506 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15507 use of float in probability computations. Use edge probabilities
15508 in place of statically computed probabilities.
15509 (min_spec_prob): New static variable.
15510 (schedule_insns): Initialize it.
15511 (GET_SRC_PROB): Removed.
15512 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15514 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15517 * config/ia64/unwind-ia64.c: Revert last change.
15518 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15519 (INCOMING_FRAME_SP_OFFSET): Define.
15521 2006-02-06 Roger Sayle <roger@eyesopen.com>
15523 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15525 2006-02-07 Ben Elliston <bje@au.ibm.com>
15527 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15528 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15529 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15530 (ix86_return_in_memory): Handle TDmode.
15531 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15532 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15534 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15536 * reorg.c (dbr_schedule): Use dump_file instead of file.
15538 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15541 * config/ia64/predicates.md (extr_len_operand): New predicate.
15542 * config/ia64/ia64.md (extv): Tighten constraints.
15544 (*tbit_and_2): Ditto.
15545 (*tbit_and_3): Ditto.
15546 (*tbit_or_2): Ditto.
15547 (*tbit_or_3): Ditto.
15548 (*bit_zero): Ditto.
15551 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15554 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15556 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15558 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15559 loop_optimizer_init and loop_optimizer_finalize
15560 * tree-ssa-sink.c (execute_sink_code): Ditto.
15561 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15562 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15563 tree_ssa_loop_done): Ditto.
15564 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15565 * sched-ebb.c: Include output.h.
15566 (schedule_ebbs): Do not use dump argument.
15567 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15568 * loop.c (loop_dump_stream): Removed.
15569 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15571 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15572 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15573 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15574 loop_iterations, strength_reduce, record_biv, record_giv,
15575 final_giv_value, check_final_value, check_ext_dependent_givs,
15576 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15577 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15578 dump_file instead of loop_dump_stream.
15579 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15580 argument dump_file.
15581 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15583 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15584 * haifa-sched.c: Include output.h
15585 (schedule_insns, sched_init): Do not use dump argument.
15586 * mode-switching.c (optimize_mode_switching): Ditto.
15587 * modulo-sched.c (stats_file): Removed.
15588 (print_node_sched_params): Do not call argument dump_file.
15589 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15590 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15592 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15594 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15595 rtl_loop_init, rtl_loop_done): Ditto.
15596 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15597 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15599 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15600 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15601 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15602 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15603 * emit-rtl.c (renumber_insns): Ditto.
15604 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15605 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15606 * regclass.c (regclass): Ditto.
15607 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15608 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15609 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15610 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15612 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15613 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15615 * gcse.c (gcse_file, debug_stderr): Removed.
15616 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15617 rest_of_handle_gcse): Do not use dump argument.
15618 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15619 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15620 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15621 compute_code_hoist_vbeinout, compute_code_hoist_data,
15622 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15623 compute_store_table, build_store_vectors, insert_insn_start_bb,
15624 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15625 store_motion): Use dump_file instead of gcse_file.
15626 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15627 * profile.c (profile_dump_file): Removed.
15628 (branch_prob): Use dump_file instead of profile_dump_file.
15629 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15631 * tree-ssa-copy.c (dump_copy_of): Ditto.
15632 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15633 dump file to life_analysis.
15634 * bt-load.c (branch_target_load_optimize): Ditto.
15635 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15637 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15638 regclass, dbr_schedule): Declaration changed.
15639 * sched-int.h (sched_init): Declaration changed.
15640 * tree-profile.c (tree_profile_dump_file): Removed.
15641 (tree_profile_hooks): Removed profile_dump_file hook.
15642 * rtl-profile (rtl_profile_dump_file): Removed.
15643 (rtl_profile_hooks): emoved profile_dump_file hook.
15644 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15646 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15647 * tree-cfg.c (build_tree_cfg): Ditto.
15648 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15649 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15650 Declaration changed.
15651 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15652 life_analysis and schedule_insns.
15653 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15655 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15657 * config/mips/mips.c (mips_reorg): Ditto.
15658 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15661 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15663 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15664 (s390_mangle_fundamental_type): New.
15665 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15668 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15669 (alpha_mangle_fundamental_type): New.
15670 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15673 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15675 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15677 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15678 (sparc_mangle_fundamental_type): New.
15680 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15682 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15683 (s390x-*-linux*): Likewise.
15684 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15685 * config/s390/t-linux: New file.
15687 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15689 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15690 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15692 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15694 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15695 (ANTIC_SAFE_LOADS): New macro.
15696 (find_or_generate_expression): Add prototype.
15697 (set_contains_value): Allow null set for sake of not always having
15698 to allocate ANTIC_SAFE_LOADS.
15699 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15700 Allow COMPONENT_REF too.
15701 (valid_in_set): Allow COMPONENT_REF.
15702 Check ANTIC_SAFE_LOADS too.
15703 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15704 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15706 (can_PRE_operation): Add COMPONENT_REF.
15707 (create_component_ref_by_pieces): New function.
15708 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15709 (insert_aux): Move AGGREGATE_TYPE_P check here.
15710 (compute_avail): Set bb local stmt uids.
15711 (pass_pre): Use TODO_update_ssa_only_virtuals.
15713 2006-02-06 Ben Elliston <bje@au.ibm.com>
15715 * configure.ac: Unconditionally disable decimal float by default.
15716 * configure: Regenerate.
15718 2006-02-06 Ben Elliston <bje@au.ibm.com>
15720 * read-rtl.c (read_name): Terminate reading on EOF.
15722 2006-02-06 Ben Elliston <bje@au.ibm.com>
15724 * dfp.c (decimal_real_arithmetic): Change second argument type
15725 from int to enum tree_code. Do not always return true, but now
15726 return result of any call to decimal_do helper functions.
15727 * dfp.h (decimal_real_arithmetic): Update prototype.
15729 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15731 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15733 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15736 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15739 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15741 * tree-vrp.c (cfg_loops): Removed.
15742 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15743 Use current_loops instead of cfg_loops. Pass flags to
15744 loop_optimizer_init.
15745 * cfgloopmanip.c (fix_loop_structure): Update only available
15747 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15748 loop_optimizer_init.
15749 * modulo-sched.c (build_loops_structure): Removed.
15750 (sms_schedule): Use loop_optimizer_init.
15751 * loop-init.c (loop_optimizer_init): Use flags to determine
15752 which properties of loops to prepare.
15753 (rtl_loop_init): Pass flags to loop_optimizer_init.
15754 * tree-ssa-sink.c (execute_sink_code): Ditto.
15755 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15756 * tree-ssa-pre.c (init_pre): Ditto.
15757 * cfgloop.h (LOOPS_NORMAL): New.
15758 (loop_optimizer_init): Declaration changed.
15760 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15762 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15763 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15765 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15767 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15769 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15770 * pa/t-pa64: Delete quadlib.c rule.
15771 * pa/x-ada: Revert last change.
15772 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15774 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15776 PR rtl-optimization/26087
15777 * rtlanal.c (canonicalize_condition): Do not cross basic block
15780 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15783 * config/ia64/ia64.c: Include debug.h.
15784 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15785 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15786 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15787 (process_epilogue, process_set, process_for_unwind_directive):
15788 Output unwind info only if requested. Add CFA info if requested.
15789 Add new arguments as needed. Adjust callers.
15790 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15792 (DWARF2_FRAME_INFO): Define to zero.
15793 * config/ia64/unwind-ia64.c: Remove code that compensated for
15794 the CFA offset error fixed above.
15795 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15796 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15797 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15798 -funwind-tables and -fexceptions to enable frame info.
15799 (dwarf2out_frame_init): Define initial CFA even if
15800 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15801 DWARF2_UNWIND_INFO is nonzero, not just defined.
15802 (dwarf2out_frame_finish): Output non-EH call frame info only
15803 if DWARF2_FRAME_INFO is nonzero.
15804 (convert_cfa_to_loc_list,
15805 compute_frame_pointer_to_cfa_displacement): Define even if
15806 unwind info is not supported.
15807 (gen_subprogram_die): Use the above unconditionally. Remove
15808 legacy alternate code.
15809 * toplev.c (compile_file): Compile in call to
15810 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15811 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15813 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15814 Jakub Jelinek <jakub@redhat.com>
15816 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15817 IBM extended float format long double as "g" on powerpc*-linux.
15819 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15822 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15823 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15825 2006-02-03 Jason Merrill <jason@redhat.com>
15828 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15830 PR middle-end/25977
15831 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15832 on the return slot if it's an NRV.
15834 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15836 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15837 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15838 rewrite_use): Do not handle USE_OUTER.
15839 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15840 add_iv_outer_candidates, may_replace_final_value,
15841 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15842 (find_interesting_uses_op): Functionality of
15843 find_interesting_uses_outer_or_nonlin moved here.
15844 (find_interesting_uses_outside): Use find_interesting_uses_op.
15846 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15849 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15851 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15852 Ulrich Weigand <uweigand@de.ibm.com>
15855 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15856 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15857 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15858 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15860 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15861 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15862 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15863 Define secondary reloads for TFmode moves.
15864 (constant_modes): Add TFmode.
15865 (NR_C_MODES): Set to 8.
15866 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15868 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15869 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15870 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15871 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15872 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15873 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15874 (FPR mode macro): Add TFmode.
15875 (DSF mode macro): New.
15876 (<de>, <dee> mode attributes): Removed.
15877 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15878 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15879 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15880 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15881 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15882 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15883 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15884 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15885 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15886 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15887 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15888 "*negabs<mode>2", "sqrt<mode>2"):
15889 Changed <de> to <xde>. R constraint replaced by <Rf>.
15890 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15892 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15893 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15894 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15896 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15897 "extenddftf2", "extendsftf2"): New expanders.
15898 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15899 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15900 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15901 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15903 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15904 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15905 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15906 __floatditf): Add a GCC_4.1.0 symbol version tag.
15907 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15910 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15913 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15914 Use targetm.binds_local_p instead of TREE_PUBLIC.
15916 2006-02-02 Roger Sayle <roger@eyesopen.com>
15918 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15919 on INTEGER_TYPEs to indicate that it denotes a character type.
15920 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15921 signed_char_type_node, unsigned_char_type_node and char_type_node.
15922 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15923 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15924 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15926 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15927 Daniel Berlin <dberlin@dberlin.org>
15929 * tree-tailcall.c (arg_needs_copy_p): New function.
15930 (eliminate_tail_call): Use arg_needs_copy_p.
15931 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15932 (add_virtual_phis): New function.
15934 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15936 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15937 #ignore instead of #scratch for %g7 .register directive.
15939 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15941 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15944 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15946 * flow.c (calculate_global_regs_live): Assert that there aren't any
15949 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15951 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15952 what its name says.
15953 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15954 bsi_after_labels iterator.
15955 * tree-if-conv.c (find_phi_replacement_condition,
15956 replace_phi_with_cond_modify_expr): Likewise.
15957 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15958 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15960 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15962 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15964 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15967 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15968 array after growing it.
15970 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15972 PR middle-end/24901
15973 * fold-const.c (fold_checksum_tree): Change type of buf.
15975 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15977 * reload.c (push_secondary_reload): Initialize t_icode.
15979 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15981 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15982 -msoft-float -mlong-double-128 only issue a warning, but don't
15983 swich to DFmode long double.
15985 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15987 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15988 has a constant equivalent, iterate over equivalents for arg0,
15989 calling simplify_relational_operation and if there's a result
15990 cheaper than X, apply fold_rtx and return the result.
15992 2006-02-01 Jan Hubicka <jh@suse.cz>
15994 * opts.c (no_unit_at_a_time_default): New global variable.
15995 (decode_options): Use it.
15996 * opts.h (no_unit_at_a_time_default): Declare.
15998 2006-02-01 Paul Brook <paul@codesourcery.com>
16000 * function.c (assign_parm_setup_reg): Use function argument promotion
16002 * expr.c (expand_expr_real_1): Use function argument promotion rules
16005 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16007 * gcc.c (process_command): Change j to 'unsigned int'.
16009 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16011 PR middle-end/26001
16012 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16013 Use the corrected index for the character
16014 out of the string constant.
16016 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16018 * mode-switching.c (optimize_mode_switching): Fix size
16019 allocated for bb_info[n_entities].
16021 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16023 * gcc.c (main): Correct type that is allocated for
16024 explicit_link_files.
16026 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16028 * config/s390/s390.c (init_alignment_context): Set
16029 ALIAS_SET_MEMORY_BARRIER on the MEM.
16030 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16032 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16034 PR middle-end/25933
16035 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16037 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16040 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16042 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16043 * regrename.c: Ditto.
16044 * tree-ssa-loop-im.c: Ditto.
16045 * tree-dump.c: Ditto.
16046 * tree-complex.c: Ditto.
16047 * genrecog.c: Ditto.
16048 * tree-ssa-threadupdate.c: Ditto.
16050 * java/class.c: Ditto.
16051 * java/jcf-parse.c: Ditto.
16052 * java/resource.c: Ditto.
16053 * java/except.c: Ditto.
16054 * java/jvspec.c: Ditto.
16055 * java/jcf-write.c: Ditto.
16056 * java/jcf-path.c: Ditto.
16057 * java/gjavah.c: Ditto.
16058 * java/zextract.c: Ditto.
16059 * java/jcf-io.c: Ditto.
16060 * java/jcf.h: Ditto.
16061 * java/buffer.c: Ditto.
16062 * java/lang.c: Ditto.
16063 * java/parse-scan.y: Ditto.
16064 * java/lex.c: Ditto.
16065 * java/lex.h: Ditto.
16066 * cfgloopmanip.c: Ditto.
16067 * postreload-gcse.c: Ditto.
16068 * tree-ssa-loop-manip.c: Ditto.
16069 * postreload.c: Ditto.
16070 * tree-ssa-loop-ch.c: Ditto.
16073 * cppspec.c: Ditto.
16074 * diagnostic.c: Ditto.
16076 * genoutput.c: Ditto.
16078 * cfghooks.c: Ditto.
16079 * cfgloopanal.c: Ditto.
16080 * objc/objc-act.c: Ditto.
16082 * genextract.c: Ditto.
16083 * genautomata.c: Ditto.
16084 * pretty-print.c: Ditto.
16085 * genemit.c: Ditto.
16086 * cgraphunit.c: Ditto.
16088 * df-scan.c: Ditto.
16089 * haifa-sched.c: Ditto.
16090 * dominance.c: Ditto.
16092 * tree-ssa-loop-ivopts.c: Ditto.
16093 * df-core.c: Ditto.
16094 * mode-switching.c: Ditto.
16095 * modulo-sched.c: Ditto.
16097 * ipa-pure-const.c: Ditto.
16099 * fix-header.c: Ditto.
16101 * tree-stdarg.c: Ditto.
16102 * ipa-utils.c: Ditto.
16103 * loop-init.c: Ditto.
16104 * ipa-inline.c: Ditto.
16105 * cfganal.c: Ditto.
16107 * alloc-pool.c: Ditto.
16108 * dwarf2out.c: Ditto.
16110 * genattrtab.c: Ditto.
16111 * tree-ssa-loop-ivcanon.c: Ditto.
16112 * predict.c: Ditto.
16113 * timevar.c: Ditto.
16115 * fortran/gfortranspec.c: Ditto.
16116 * regmove.c: Ditto.
16117 * local-alloc.c: Ditto.
16118 * langhooks.c: Ditto.
16119 * function.c: Ditto.
16120 * tree-vectorizer.c: Ditto.
16122 * ipa-type-escape.c: Ditto.
16124 * tree-if-conv.c: Ditto.
16125 * profile.c: Ditto.
16127 * tree-data-ref.c: Ditto.
16128 * loop-unroll.c: Ditto.
16129 * treelang/treetree.c: Ditto.
16131 * bt-load.c: Ditto.
16132 * ggc-common.c: Ditto.
16134 * coverage.c: Ditto.
16136 * tree-cfgcleanup.c: Ditto.
16137 * tree-ssa-pre.c: Ditto.
16138 * cfgcleanup.c: Ditto.
16139 * loop-invariant.c: Ditto.
16140 * loop-iv.c: Ditto.
16141 * ipa-prop.c: Ditto.
16142 * print-tree.c: Ditto.
16143 * conflict.c: Ditto.
16144 * ggc-page.c: Ditto.
16145 * sched-deps.c: Ditto.
16146 * regclass.c: Ditto.
16147 * tree-object-size.c: Ditto.
16148 * combine.c: Ditto.
16149 * bb-reorder.c: Ditto.
16150 * resource.c: Ditto.
16151 * var-tracking.c: Ditto.
16152 * cfgloop.c: Ditto.
16153 * df-problems.c: Ditto.
16154 * reg-stack.c: Ditto.
16156 * gccspec.c: Ditto.
16157 * sched-rgn.c: Ditto.
16158 * tree-ssa-structalias.c: Ditto.
16159 * tree-ssa-reassoc.c: Ditto.
16160 * config/darwin-c.c: Ditto.
16161 * config/darwin.c: Ditto.
16162 * config/arm/arm.c: Ditto.
16164 * collect2.c: Ditto.
16165 * reload1.c: Ditto.
16167 2006-01-31 Nicolas Pitre <nico@cam.org>
16169 * arm.md (smaxsi3): Make aware of smax_m1.
16172 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16174 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16176 2006-01-31 Richard Guenther <rguenther@suse.de>
16178 * doc/invoke.texi (-msselibm): Document.
16179 * target.h (expand_library_builtin): New target hook.
16180 * builtins.c (expand_builtin): Use expand_library_builtin.
16181 (default_expand_library_builtin): New function.
16182 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16183 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16184 (link_gcc_math_spec): Declare.
16185 (static_specs): Add link_gcc_math_spec.
16186 * expr.h (default_expand_library_builtin): Declare.
16187 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16188 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16189 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16190 * config/i386/i386.opt (msselibm): New target option.
16191 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16192 (ix86_init_sse_abi_builtins): New function.
16193 (ix86_expand_library_builtin): Likewise.
16194 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16195 (override_options): Handle error conditions wrt -msselibm.
16196 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16197 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16198 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16201 2006-01-31 Richard Guenther <rguenther@suse.de>
16202 Paolo Bonzini <bonzini@gnu.org>
16204 * doc/install.texi (--disable-libgcc-math): Document.
16206 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16208 * expr.h (expand_normal): new inline function.
16209 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16210 * dojump.c: use it.
16211 * dwarf2out.c: use it.
16214 * expmed.c: use it.
16215 * except.c: use it.
16216 * config/sparc/sparc.c: use it.
16217 * config/i386/i386.c: use it.
16218 * config/rs6000/rs6000.c: use it.
16219 * config/arm/arm.c: use it.
16220 * config/mips/mips.c: use it.
16221 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16223 2006-01-30 Roger Sayle <roger@eyesopen.com>
16225 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16226 argv to the appropriate type.
16228 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16230 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16233 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16236 * config/s390/s390.c (struct machine_function): New flag
16237 decomposed_literal_pool_addresses_ok_p.
16238 (s390_reorg): Set it before final stage of literal pool transforms.
16239 (s390_decompose_address): Only accept displacements of the form
16240 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16242 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16244 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16245 the comparison routine return.
16247 2006-01-30 Michael Matz <matz@suse.de>
16249 * global.c (find_reg): Only evict for global regs.
16250 Take n_refs into account and dump more info.
16252 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16255 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16256 (pragma_trap, pragma_nosave_low_regs): Likewise.
16257 (current_function_anonymous_args): Likewise.
16258 (sh_deferred_function_attributes): New variable.
16259 (sh_deferred_function_attributes_tail): Likewise.
16260 (print_operand): For '@', look up trap_exit attribute.
16261 (calc_live_regs): Look up trapa_handler attribute. For trapa
16262 handlers, save/restore fpscr, but don't do any other
16263 interrupt-specific saves.
16264 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16265 Fix check for partially saved registers to check for SHmedia.
16266 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16267 (sh_output_function_epilogue): Don't clear any of the removed
16269 (sh_insert_attributes): Don't check pragma_interrupt.
16270 Insert deferred attributes. Check that interrupt attribute is
16271 present for other attributes that require its presence.
16272 (sh_attribute_table): Add new attributes trapa_handler and
16274 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16275 Don't check for pragma_interrupt. Don't store argument.
16276 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16277 (sh_deferred_function_attributes): Declare.
16278 (sh_deferred_function_attributes_tail): Likewise.
16279 * sh.md (sp_switch_1): Add operand. Change generator caller.
16280 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16281 (*return_i): Don't use when trap_exit attribute is in effect.
16282 (*return_trapa): New insn pattern.
16283 * sh-c.c: New file.
16284 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16285 setting c_target_objs and cxx_target_objs.
16286 * t-sh: Add rule for sh-c.o.
16288 2006-01-30 Richard Guenther <rguenther@suse.de>
16291 * gimplify.c (gimplify_target_expr): Handle easy cases
16292 without creating a temporary.
16294 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16296 * vec.h (safe_grow): Remove duplicated line.
16298 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16301 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16302 (expand_omp): ... here.
16303 (expand_omp_parallel): Only remove barriers for combined
16304 parallel+workshare constructs.
16306 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16310 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16311 * tree.c (build_qualified_type): Chain the new type to the original
16312 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16313 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16314 (build_pointer_type_for_mode): Only return unqualified types.
16315 (build_reference_type_for_mode): Likewise.
16317 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16319 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16320 * Makefile.in (CXX_COMPAT_WARN): Define.
16321 * configure: Regenerate.
16323 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16326 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16329 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16331 * toplev.c: Fix thinko.
16333 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16334 Marcin Dalecki <martin@dalecki.de>
16336 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16337 (push_srcloc): Use XNEW.
16338 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16340 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16342 * df-core.c (df_set_blocks): Deleted all variable.
16344 2006-01-28 Ian Lance Taylor <ian@airs.com>
16346 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16347 cgraph_output_pending_asms.
16349 2006-01-28 Zack Weinberg <zackw@panix.com>
16351 * c.opt: Add -W(no-)overlength-strings.
16352 * doc/invoke.texi: Document it.
16353 * c-opts.c (c_common_handle_option): -pedantic implies
16354 -Woverlength-strings, if not explicitly disabled already.
16355 (c_common_post_options): -Woverlength-strings defaults to off, and
16356 is always off for C++.
16357 * c-common.c (fix_string_type): Issue warning about strings longer
16358 than is portable only if warn_overlength_strings. Rearrange code
16359 a little for clarity.
16360 * configure.in: Check for -Wno-overlength-strings as well before
16361 enabling -pedantic in stage 1.
16362 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16363 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16365 * genconditions.c (write_header, write_one_condition)
16366 (write_conditions, write_writer): Consolidate very long strings
16367 that were broken up to fit in C89 portable limit. Don't use
16368 printf when fputs will do.
16370 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16372 * combine.c (simplify_comparison <AND>): Check
16373 TRULY_NOOP_TRUNCATION before start using a subreg.
16375 * config/mips/mips.md (*branch_zero<mode>,
16376 *branch_zero<mode>_inverted, *branch_equality<mode>,
16377 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16378 Remove mode check from comparisons.
16380 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16382 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16384 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16386 * expmed.c (const_mult_add_overflow_p): Remove.
16387 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16389 * recog.c (validate_replace_rtx_subexp): Remove.
16390 * recog.h: Remove the prototype for
16391 validate_replace_rtx_subexp.
16393 * integrate.h: Remove the prototype for
16394 copy_decl_for_inlining.
16395 * rtl.h: Remove the prototype for mark_constant_function.
16396 * tree-vectorizer.h: Remove the prototype for
16397 vect_strip_conversion.
16399 * modulo-sched.c (create_partial_schedule,
16400 free_partial_schedule, reset_partial_schedule): Make them
16403 * hooks.c (hook_bool_rtx_int_false): Remove.
16404 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16406 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16408 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16409 and -mlong-double-128 are incompatible.
16410 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16411 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16412 (TARGET_LIBGCC2_CFLAGS): Define.
16413 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16414 (TARGET_LIBGCC2_CFLAGS): Same.
16415 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16417 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16420 * c-typeck.c (build_binary_op): Perform implicit casts of
16421 operands before shortening them.
16423 * cfgloopmanip.c (split_loop_bb): Remove.
16424 * cfgloop.h: Remove the prototype for split_loop_bb.
16426 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16427 * cfgloop.h: Remove the prototype for
16428 flow_loop_outside_edge_p.
16430 * emit-rtl.c (init_virtual_regs): Make it static.
16431 * function.h: Remove the prototype for init_virtual_regs.
16433 * recog.c (peephole2_optimize): Make it static.
16434 * recog.h: Remove the prototype for peephole2_optimize.
16436 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16438 * df-scan.c (df_record_entry_block_defs): Check if
16439 INCOMING_RETURN_ADDR_RTX is defined.
16441 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16442 Kenneth Zadeck <zadeck@naturalbridge.com>
16444 PR rtl-optimization/24762
16445 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16446 * targhooks.c (hook_void_bitmap): New hook prototype.
16447 * targhoohs.h (hook_void_bitmap): Ditto.
16448 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16449 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16450 * target.h (live_on_entry): New function pointer.
16451 * df-scan.c (df_all_hard_regs): Removed.
16452 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16453 (df_scan_free_internal): Added df->entry_block_defs.
16454 (df_scan_alloc): Ditto.
16455 (df_scan_dump): Ditto.
16456 (df_uses_record): Plumbed flag field properly thru calls.
16457 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16458 This part fixes PR24762.
16459 (df_bb_refs_record): Added code to make the frame and arg
16460 pointers live in EH blocks.
16461 (df_refs_record): Added call to df_record_entry_block_defs.
16462 (df_record_entry_block_defs): New function.
16463 * df-core.c: Added comments to describe new artifical defs.
16464 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16465 (entry_block_defs): New field in struct df.
16466 (df_all_hard_regs): Deleted.
16467 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16468 * df-problems.c (df_ru_bb_local_compute_process_def):
16469 Added code to handle artifical defs in the entry to a function.
16470 (df_ru_bb_local_compute): Ditto.
16471 (df_rd_bb_local_compute_process_def): Ditto.
16472 (df_rd_bb_local_compute): Ditto.
16473 (df_lr_bb_local_compute): Ditto.
16474 (df_ur_bb_local_compute): Ditto.
16475 (df_urec_bb_local_compute): Ditto.
16476 (df_chain_create_bb): Ditto.
16477 (df_ur_local_finalize): Removed entry.
16478 (df_urec_init): Ditto.
16479 (df_urec_local_finalize): Ditto.
16480 (df_ri_bb_compute): Added detection of last use of pseudos.
16481 * Makefile.in (df-scan.o): Updated dependencies.
16482 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16483 * config/mips/mips.c (mips_set_live_on_entry): Added.
16484 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16486 * dce.c (marked_insn_p): Added code to handle artifical defs.
16488 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16490 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16492 (_mm_cvtsi128_si64): Likewise.
16493 (_mm_cvtsd_si64): Likewise.
16494 (_mm_cvttsd_si64): Likewise.
16495 (_mm_cvtsi64_sd): Likewise.
16496 (_mm_cvtsi64_si128): Likewise.
16497 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16498 (_mm_cvtsi64_m64): Likewise.
16499 (_m_to_int64): Likewise.
16500 (_mm_cvtm64_si64): Likewise.
16501 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16502 (_mm_cvttss_si64): Likewise.
16503 (_mm_cvtsi64_ss): Likewise.
16504 (_mm_cvtss_f32): Likewise.
16506 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16508 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16509 for pragma redefine_extname.
16511 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16514 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16515 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16516 -mno-minimal-toc to previous content.
16517 (bispecs): Remove goal.
16518 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16519 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16520 compatibility aliases on powerpc-*-*gnu*.
16521 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16522 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16523 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16524 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16525 (ldblspecs): New goal.
16526 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16527 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16529 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16530 L_sf_to_tf or L_df_to_tf is defined.
16532 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16533 Alan Modra <amodra@bigpond.net.au>
16536 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16537 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16538 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16539 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16540 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16541 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16542 (rs6000_override_options): Initialize rs6000_ieeequad.
16543 Initialize TFmode format to ibm_extended_format if not
16545 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16547 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16548 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16549 (function_arg_advance): IBM long double passed in two FPRs, not
16551 (function_arg): IBM long double passed in FPRs.
16552 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16553 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16554 Only multireg GPR aligned.
16555 (rs6000_init_libfuncs): Enable IBM long double functions if not
16557 (rs6000_generate_compare): Use IBM long double compare if not
16559 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16560 (TARGET_IEEEQUAD): Define.
16561 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16562 not TARGET_IEEEQUAD.
16563 * config/rs6000/rs6000.md: Enable TFmode patterns if
16565 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16566 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16567 and -mlong-double-128 are incompatible.
16568 * doc/invoke.texi (-mabi): Collect options together. Add
16569 ibmlongdouble and ieeelongdouble.
16571 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16573 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16575 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16576 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16577 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16578 * rtl.h (rtunion_def): Remove rt_ptr.
16580 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16581 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16582 * config/i386/winnt.c (i386_pe_mark_dllexport)
16583 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16585 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16587 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16589 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16593 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16594 pthread_key_delete. From John David Anglin. gthrw-ify
16595 pthread_getunique_np only if it it's not a macro. Delete
16597 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16598 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16599 __gthread_objc_condition_signal, __gthread_key_delete): Add
16600 "__attribute__ ((__unused__))" to unused arguments.
16601 (__gthread_recursive_mutex_init_function): Add missing return.
16602 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16603 gthr-posix95.h: Use macro-based approach for name redirection
16604 on targets missing weakref.
16606 2006-01-26 Zack Weinberg <zackw@panix.com>
16608 * genconditions.c (write_header): In generated code, #ifdef out
16609 all includes and fake declarations, except includes of bconfig.h
16610 and system.h, unless GCC_VERSION >= 3001. Do not include
16611 gensupport.h in any case.
16612 (write_conditions): Generate a definition of struct c_test. Add
16613 a comment to the generated #endif.
16614 (write_one_condition): Escape backslashes in string too.
16615 (write_writer): Generated code must escape backslashes and quote
16616 marks (but not newlines) in the strings it writes.
16617 * Makefile.in (build/gencondmd.o): Update dependencies.
16619 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16622 * Makefile.in (insn-automata.o): Add header file dependencies.
16623 * genautomata.c: Add includes.
16625 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16628 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16630 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16632 * configure.ac: Expect target tools paths to be passed from the toplevel
16633 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16635 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16637 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16640 * c.opt (Wpointer-sign): Init to -1.
16641 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16642 OPT_pedantic, to 0 otherwise.
16643 * doc/invoke.texi: Update.
16645 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16647 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16648 constants provided by 80387 instructions in the destination mode.
16650 2006-01-26 Richard Guenther <rguenther@suse.de>
16651 Andrew Pinski <pinskia@physics.uc.edu>
16654 partial PR tree-opt/17064
16655 * tree-ssa-structalias.c (intra_create_variable_infos):
16656 Create heap variables for incoming parameters if
16657 flag_argument_noalias > 1.
16658 (find_what_p_points_to): Look through default defs of
16661 2006-01-26 Jeff Law <law@redhat.com>
16664 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16665 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16666 within the VR_RANGE, use the VR_RANGE as the result, not the
16668 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16669 bounds for the type.
16671 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16673 * tree-ssa-alias.c (maybe_create_global_var): Change
16674 subvar walking to an assertion that we don't have subvar'd variables.
16676 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16679 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16680 Use a new variable, inner. PARM_DECLs are always non-weak.
16682 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16684 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16685 --disable-checking.
16687 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16689 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16691 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16693 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16694 (smax_insn, smin_insn, smax_0, smin_0): New.
16696 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16699 * config/cris/cris.c (cris_order_for_addsi3): New function.
16700 * config/cris/cris-protos.h: Prototype it.
16701 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16702 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16703 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16704 (split for "op.S1 [rx=rx+i],ry (swapped)")
16705 (split for "op(s|u).S1 [rx=rx+i],ry")
16706 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16707 Apply cris_order_for_addsi3 when generating addsi3 insns.
16709 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16711 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16712 (TREE_BLOCK): Add call to EXPR_CHECK.
16714 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16717 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16718 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16719 (dump_omp_clauses): ... here.
16720 (dump_generic_node): Handle OMP_CLAUSE.
16721 * tree.c (omp_clause_num_ops): New.
16722 (omp_clause_code_name): New.
16723 (tree_code_size): Handle OMP_CLAUSE.
16724 (tree_size): Likewise.
16725 (make_node): Document handling of OMP_CLAUSE.
16726 (tree_node_structure): Handle OMP_CLAUSE.
16727 (omp_clause_check_failed): New.
16728 (omp_clause_range_check_failed): New.
16729 (omp_clause_operand_check_failed): New.
16730 (build_omp_clause): New.
16731 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16732 * tree.h (enum omp_clause_code): Declare.
16733 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16734 (OMP_CLAUSE_RANGE_CHECK): Define.
16735 (OMP_CLAUSE_ELT_CHECK): Define.
16736 (omp_clause_check_failed): Declare.
16737 (omp_clause_operand_check_failed): Declare.
16738 (omp_clause_range_check_failed): Declare.
16739 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16740 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16741 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16742 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16743 (OMP_CLAUSE_IF_EXPR): Likewise.
16744 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16745 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16746 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16747 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16748 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16749 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16750 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16751 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16752 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16753 (OMP_CLAUSE_CODE): Define.
16754 (OMP_CLAUSE_SET_CODE): Define.
16755 (OMP_CLAUSE_CODE): Define.
16756 (OMP_CLAUSE_OPERAND): Define.
16757 (struct tree_omp_clause): Declare.
16758 (union tree_node): Add field 'omp_clause'.
16759 * treestruct.def (TS_OMP_CLAUSE): Define.
16760 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16761 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16762 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16763 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16764 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16765 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16766 (OMP_CLAUSE): Define.
16767 * print-tree.c (print_node): Handle OMP_CLAUSE.
16768 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16769 * c-typeck.c: Likewise.
16770 * gimplify.c: Likewise.
16771 * c-omp.c: Likewise.
16772 * tree-nested.c: Likewise.
16773 * tree-inline.c: Likewise.
16774 * c-parser.c: Likewise.
16775 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16778 2006-01-25 Roger Sayle <roger@eyesopen.com>
16780 PR rtl-optimization/25703
16781 * combine.c (try_combine): Handle zero_extract and strict_low_part
16782 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16784 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16786 * global.c: Fix comment typos.
16788 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16791 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16792 Use output_addr_const instead of assemble_name.
16794 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16796 * Makefile.in (sched-vis.o): Update dependencies.
16797 * haifa-sched.c (sched_finish): Clear current_sched_info.
16798 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16799 (dump_flow_info): Call it.
16800 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16802 * basic-block.h (dump_bb_info): Declare.
16803 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16804 option, and apply options only for dump files whose TDF_RTL,
16805 TDF_TREE, or TDF_IPA bits match.
16806 * rtl.h: Declare new functions exported from sched-vis.c.
16807 * sched-vis.c: Enable also if scheduling is not used.
16808 (print_value): Print the mode of registers if not inside scheduling.
16809 (print_insn): Make it work outside the scheduler. Beautify the output
16811 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16813 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16815 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16816 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16817 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16818 depending on the value of CONSTANT_POOL_ADDRESS_P.
16819 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16821 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16822 rather than SYMBOL_REF_DECL.
16823 (rtx_constant_pool): Remove const_rtx_sym_htab.
16824 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16825 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16826 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16827 Remove handling of const_rtx_sym_htab.
16828 (find_pool_constant): Delete.
16829 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16830 rather than find_pool_constant.
16831 (get_pool_constant_for_function): Delete.
16832 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16833 find_pool_constant.
16834 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16835 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16836 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16837 (SYMBOL_REF_CONSTANT): New macro.
16838 (get_pool_constant_for_function): Delete.
16839 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16840 rather than SYMBOL_REF_DECL.
16841 (i386_pe_mark_dllimport): Likewise.
16842 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16843 rather than SYMBOL_REF_DECL.
16844 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16845 (machopic_indirect_call_target): Likewise.
16847 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16849 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16851 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16853 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16855 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16857 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16859 2006-01-24 David Daney <ddaney@avtrex.com>
16862 * configure.ac (enable_tls): New enable option.
16863 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16864 * configure: Regenerate.
16865 * doc/install.texi (--enable-tls): Document new option.
16866 (--disable-tls): Ditto.
16868 2006-01-24 Richard Henderson <rth@redehat.com>
16870 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16871 * alias.c (true_dependence): Respect it.
16872 (canon_true_dependence, write_dependence_p): Likewise.
16873 * builtins.c (get_builtin_sync_mem): Set it.
16875 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16877 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16880 2006-01-24 DJ Delorie <dj@redhat.com>
16882 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16883 for storing constants in single-bit bitfields.
16885 2006-01-25 Ben Elliston <bje@au.ibm.com>
16887 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16889 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16892 * tree-ssa-pre.c (phi_translate): Return NULL
16893 for AGGREGATE_TYPE's.
16895 2006-01-24 Zack Weinberg <zackw@panix.com>
16897 * genautomata.c (process_state_for_insn_equiv_partition):
16898 Use xcalloc for insn_arcs_array.
16899 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16900 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16902 2006-01-24 Richard Henderson <rth@redhat.com>
16904 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16905 update all callers.
16907 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16909 PR rtl-optimization/25890
16910 PR rtl-optimization/25905
16911 * combine.c (expand_compound_operation, expand_field_assignment):
16912 Fail if the bitfield's final position is out of bounds.
16914 2006-01-24 Ian Lance Taylor <ian@airs.com>
16916 PR middle-end/25930
16917 * cgraphunit.c (cgraph_output_in_order): Don't clear
16918 cgraph_asm_nodes until after asm strings have been output.
16920 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16922 * fix-header.c (read_scan_file): Add new parameter imultilib when
16923 calling register_include_chains.
16925 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16927 * omp-low.c: Update documentation.
16929 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16930 Daniel Berlin <dberlin@dberlin.org>
16934 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16935 return from the function.
16937 2006-01-22 Zack Weinberg <zackw@panix.com>
16939 * rtl.def (match_code): Add second argument.
16940 * genpreds.c (write_extract_subexp): New function.
16941 (write_match_code): Add path argument. Use write_extract_subexp.
16942 (write_predicate_expr): Pass path to write_match_code.
16943 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16944 not perform a mode test.
16945 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16946 a subexpression does not constrain the top-level code set.
16947 * read-rtl.c (read_rtx_variadic): New function.
16948 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16949 * doc/md.texi: Document new notation.
16950 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16951 (cmpsi_operand): ... here, using new notation.
16953 2006-01-22 Zack Weinberg <zackw@panix.com>
16955 * varray.c: Remove GENERATOR_FILE #ifdefs.
16957 2006-01-22 Zack Weinberg <zackw@panix.com>
16959 * genautomata.c (output_reserved_units_table): Emit nothing if
16960 description->query_units_num is zero. Remove extra blank line.
16961 (output_cpu_unit_reservation_p): Short circuit
16962 if description->query_units_num is zero.
16964 2006-01-22 Zack Weinberg <zackw@panix.com>
16966 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16967 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16968 nor any of the random handful of variables that used to be necessary
16969 when this program was linked with rtlanal.o. Prune set of forward
16970 function declarations.
16971 (struct attr_desc): Remove static_p field.
16972 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16973 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16974 (attr_string): Do not read the character one past the length of
16976 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16977 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16978 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16979 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16980 (make_automaton_attrs): New.
16981 (main): Do not call into genautomata. Call local gen_bypass
16982 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16983 Remove special case for insn_alts.
16984 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16985 varray.h (leftover from previous change). Prune set of forward
16986 function declarations. Remove state_alts fields from all
16987 structures. Remove state_alts_table from struct automaton.
16988 Make everything except main static. Do not maintain num_dfa_decls.
16989 Do not maintain state_alts fields of various structures.
16990 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16991 (add_arc): Remove state_alts argument. All callers updated.
16992 (output_reserved_units_table): Emit #ifdef here...
16993 (output_tables): ...not here. Don't generate state_alts tables.
16994 (expand_automata): Don't generate attributes.
16995 (write_automata): Don't generate state_alts functions.
16996 (main): New function.
16997 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16998 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16999 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17000 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17001 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17002 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17003 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17004 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17006 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17007 * genattrtab.h: Delete file.
17008 * Makefile.in (OBJS-common): Add insn-automata.o.
17009 (insn-automata.o): New rule.
17010 (simple_generated_c): Add insn-automata.c.
17011 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17012 (genprogmd): Add automata.
17013 (build/genattrtab): Needs no extra objects nor libraries.
17014 (build/genautomata): Needs build/vec.o and -lm.
17016 2006-01-22 Zack Weinberg <zackw@panix.com>
17018 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17019 (output_dfa_max_issue_rate, locked_states_num): Delete.
17020 (struct automaton): Add locked_states field.
17021 (output_dead_lock_vect): Save number of locked states in
17022 automaton->locked_states. If it is zero, don't print anything.
17023 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17024 (output_internal_dead_lock_func): Only test the dead_lock_vect
17025 for automata that have locked states.
17026 (output_statistics): Always print the number of locked states for
17027 each automaton. Calculate total number of locked states here.
17028 (write_automata): Don't call output_dfa_max_issue_rate.
17029 * genattrtab.c: Define length_unit_log as a const variable.
17030 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17031 max_insn_queue_index const.
17032 * final.c (length_unit_log): Declare const.
17033 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17035 2006-01-22 Zack Weinberg <zackw@panix.com>
17037 * genautomata.c: Include vec.h, not varray.h.
17038 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17039 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17040 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17041 VEC_* macros operating on appropriately typed vectors, or to
17042 malloced arrays when the size is known in advance. Const-ify
17043 many char* variables and function arguments. No functional changes.
17044 * Makefile.in (build/varray.o): Delete rule.
17045 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17046 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17048 2006-01-22 Zack Weinberg <zackw@panix.com>
17050 * gensupport.c: Define get_insn_name and record_insn_name here.
17051 (read_md_rtx): Call record_insn_name as appropriate.
17052 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17053 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17054 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17056 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17057 (BUILD_VARRAY): Delete.
17058 (genprognormal): Rename genprogmd. Fold in all programs from
17059 genprognoprint; also attrtab.
17060 (build/genattrtab): Just mention genautomata.o and varray.o.
17061 Reorganize a bit, add comments to make the categories clearer.
17063 2006-01-22 Zack Weinberg <zackw@panix.com>
17065 * genconditions.c (condition_table, add_condition): Delete.
17066 (write_conditions): Don't emit n_insn_conditions nor
17067 insn_elision_unavailable. Issue the gcc version #ifdef here,
17068 inside the table, with no #else clause ...
17069 (write_header): ...not here.
17070 (write_writer): New function.
17071 (main): Don't initialize condition_table. Use add_c_test.
17073 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17074 files on the command line.
17075 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17076 Return -1 if there is no entry in the table, don't abort.
17077 (add_c_test, traverse_c_tests): New functions.
17078 * gensupport.h (insn_elision_unavailable, insn_conditions)
17079 (n_insn_conditions): Delete declarations.
17080 (add_c_test, traverse_c_tests): Declare.
17081 * read-rtl.c: Include gensupport.h.
17082 (read_conditions): New function.
17083 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17084 (read_rtx_1): If we get EOF when we were looking for an initial
17085 open paren, return 0. Call read_conditions when appropriate.
17086 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17087 dummy-conditions.o. Eliminate references to insn-conditions.o,
17088 or change them to build/gencondmd.o, as appropriate. Remove
17089 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17090 from $(simple_generated_c). For all files remaining in those
17091 two lists, add insn-conditions.md to the generator command line.
17092 Give insn-constants.h/s-constants their own rules. Add rules
17093 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17094 (build/read-rtl.o): Depend on gensupport.h.
17095 (genprognormal): Include preds.
17096 (genprogearly): Rename genprognoprint; only difference is now that
17097 they don't link with $(BUILD_PRINT).
17098 * dummy-conditions.c: Delete.
17100 2006-01-22 Zack Weinberg <zackw@panix.com>
17102 * genextract.c: Don't include insn-config.h. Do include vec.h.
17103 Declare vectors of int, char, and locstr.
17104 (locstr): New typedef.
17105 (struct extraction): Make all array fields into bare pointers.
17106 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17107 (insn_code_number): Delete.
17108 (accum_extract): New struct.
17109 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17110 (gen_insn): Take insn_code_number as an argument. Use an
17111 accum_extract structure instead of loading data directly into
17112 a struct extraction, and having to know how big it might get.
17113 (walk_rtx): Operate entirely on an accum_extract structure.
17114 (print_path): Avoid unnecessary use of printf.
17115 (print_header): New function, split out of main. Distinguish
17116 more carefully between an unrecognizable insn and an insn that
17117 has the code number of a define_expand.
17118 (main): Pass insn_code_number to gen_insn. Call print_header
17119 only after parsing. Avoid unnecessary use of printf.
17120 * Makefile.in (build/vec.o): New rule.
17121 (build/genextract): Depend on build/vec.o.
17122 (build/genextract.o): Don't depend on insn-config.h.
17124 2006-01-22 Zack Weinberg <zackw@panix.com>
17126 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17127 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17128 practical. Eliminate per-generator-program link rules.
17130 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17132 PR middle-end/24437
17133 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17134 with a call expr to ...
17135 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17137 2006-01-23 Richard Guenther <rguenther@suse.de>
17139 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17140 before make_edge with conditional EDGE_TRUE_VALUE.
17142 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17143 Jan Hubicka <jh@suse.cz>
17144 Richard Guenther <rguenther@suse.de>
17146 PR rtl-optimization/25654
17147 * cfgexpand.c (aggregate_contains_union_type): New function.
17148 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17149 for structure variables that contain a union type.
17151 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17153 * gengtype.c (new_structure): Return the structure.
17154 (create_option): Add an extra "next" argument.
17155 (create_field): New function.
17156 (adjust_field_rtx_def): Use create_option and create_field.
17157 Remove a now-unnecessary call to find_structure.
17158 (adjust_field_tree_def): Likewise.
17159 (note_yacc_type): Remove an unnecessary call to find_structure.
17160 * gengtype.h (new_structure): Return the structure.
17161 (create_option): Add an extra argument.
17162 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17163 (option): Adjust calls to create_option.
17165 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17167 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17169 2006-01-22 Paul Brook <paul@codesourcery.com>
17170 Peter Barada <peter@the-baradas.com>
17172 * config/m68k/m68k.md: Add Coldfire FPU support.
17173 Define FP mode macro and associated attributes.
17174 Use it for float mode patterns.
17175 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17176 (LIBCALL_VALUE): Use m68k_libcall_value.
17177 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17178 (m68k_function_value): Ditto.
17179 (emit_move_sequence): Ditto.
17180 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17181 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17182 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17183 (MULTILIB_EXCEPTIONS): Ditto.
17184 * config/m68k/m68k.opt: Add mcfv4e.
17185 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17186 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17187 (m68k_output_function_prologue): Save ColdFire FPU registers.
17188 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17189 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17190 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17191 ColdFire FPU registers.
17192 (m68k_libcall_value, m68k_function_value): New functions.
17193 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17194 (LIBCALL_VALUE): Use m68k_libcall_value.
17195 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17196 (MASK_COLDFIRE): Add MASK_CFV4E.
17197 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17198 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17199 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17200 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17201 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17202 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17203 * doc/invoke.tex: Document -mcfv4e on m68k.
17205 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17207 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17210 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17213 * c-opts.c (c_common_handle_option): Don't include
17214 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17215 * doc/invoke.texi (C++ Dialect Options): Document that
17216 -Wnon-virtual-dtor is no longer included in -Wall.
17218 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17220 * gcov.c (print_version), gcov-dump.c (print_version),
17221 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17224 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17226 * df-scan.c (problem_SCAN): Added NULL reset function.
17227 (df_scan_reset_blocks): Added code to call reset block function
17228 (df_bb_refs_delete) Fixed comment.
17229 (df_insn_refs_delete): Made tolerant of deleting non existent info
17230 for dataflow problems that need to be reset.
17231 * df-core.c (df_set_blocks): Ditto.
17232 * df.h (struct df_problem): Added reset_fun.
17233 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17234 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17235 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17236 functions to clear out all references to def-use or use-def chains.
17238 2006-01-21 Ben Elliston <bje@au.ibm.com>
17240 * varasm.c (assemble_real): Initialise data array.
17242 2006-01-20 Paul Brook <paul@codesourcery.com>
17244 Merge from csl-arm-branch.
17245 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17246 * config/arm/arm.md (movdi): Force operands[1] to a register
17247 if we have a non-register source.
17248 (*arm_movdi, *movdf_soft_insn): Require that one of the
17249 operands be a register.
17250 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17251 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17253 2006-01-20 DJ Delorie <dj@redhat.com>
17255 * varasm.c (initializer_constant_valid_p): Allow pointers
17256 initialized from integer constants of lesser precision.
17257 (output_constant): Allow non-int-sized pointer modes to be
17258 initialized from integer constants.
17260 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17263 * cppdefault.h (struct default_include): Add multilib flag.
17264 * cppdefault.c (cpp_include_defaults): Set it.
17265 * c.opt (-imultilib): New option.
17266 * c-opts.c (imultilib): New.
17267 (c_common_handle_option): Handle -imultilib.
17268 (c_common_post_options): Likewise.
17269 * c-incpath.c (add_standard_paths, register_include_chains):
17271 * c-incpath.h (register_include_chains): Add extra parameter.
17272 * gcc.c (do_spec_1): Generate -imultilib option.
17273 (The Specs Language): Update %I description.
17274 (process_command): Update copyright notice.
17275 * doc/cppopts.texi (-imultilib): Document.
17276 * doc/invoke.texi (-imultilib): Include in option summary.
17277 (%I): Update specs documentation.
17279 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17281 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17283 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17285 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17288 2006-01-20 Richard Guenther <rguenther@suse.de>
17289 Steven Bosscher <stevenb.gcc@gmail.com>
17291 PR rtl-optimization/24626
17292 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17293 EDGE_TRUE_VALUE if in RTL mode.
17296 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17297 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17299 2006-01-20 Dirk Mueller <dmueller@suse.com>
17302 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17303 instead of a special NOP marker.
17304 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17305 NOP marker handling.
17306 * c-common.h (empty_body_warning): Add forward declaration.
17307 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17308 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17310 2006-01-20 Paul Brook <paul@codesourcery.com>
17312 * Makefile.in (lang_checks): Keep going if mkdir fails.
17314 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17316 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17317 be able to clean out basic block when not necessary.
17318 (df_scan_free): Fixed to properly delete information if df is
17319 unused before calling df_finish.
17320 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17321 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17323 (df_bb_refs_delete): New function.
17324 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17325 * df-core.c (df_set_blocks): Added code to properly clean out
17326 unused blocks if they are not part of the blocks to consider.
17327 Added additional null check.
17328 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17329 be able to clean out basic block when not necessary
17330 * df.h (df_free_bb_function): Ditto.
17331 (df_bb_refs_delete): New function.
17332 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17333 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17334 basic block parameter to be able to clean out basic block when not
17336 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17337 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17338 Fixed to properly delete information if df is unused before
17341 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17343 PR rtl-optimization/25799
17344 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17345 Corrected confluence operator to remove bits from op2 before oring
17346 with op1 rather than removing bits from op1.
17347 (df_ru_transfer_function): Corrected test on wrong bitmap which
17348 caused infinite loop. Both of these problems were introduced in
17349 the dataflow rewrite.
17351 2006-01-19 DJ Delorie <dj@redhat.com>
17353 * reload1.c (find_reload_regs): Note the details of reload
17354 failures in the dump file.
17355 (spill_failure): Likewise.
17357 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17359 * loop-iv.c: Include df.h and hashtab.h.
17360 (enum iv_grd_result): New enum.
17361 (DF_REF_IV, DF_REF_IV_SET): New macros.
17362 (struct biv_entry): New.
17363 (df, bivs): New global variables.
17364 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17365 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17367 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17368 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17369 analyzed_for_bivness_p, record_biv): New functions.
17370 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17371 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17372 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17374 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17376 (iv_number_of_iterations): Use new interface to iv analysis.
17377 * loop-unroll.c: Do not include varray.h.
17378 (analyze_iv_to_split_insn): Use new interface to iv
17380 * loop-unswitch.c (may_unswitch_on): Ditto.
17381 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17383 (df_bb_modify): Realloc tables to the new index.
17384 (df_find_use): New function.
17385 * df.h (df_find_use): Declare.
17386 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17388 * cfgloop.h (struct rtx_iv): Remove analysed field.
17389 (iv_get_reaching_def): Removed.
17390 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17391 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17392 (loop-iv.o): Add df.h and hashtab.h dependency.
17393 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17395 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17398 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17400 (__floatundisf, __floatundidf): Likewise.
17401 * libgcc2.h (IS_IBM_EXTENDED): Define.
17403 2006-01-19 DJ Delorie <dj@redhat.com>
17405 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17407 2006-01-19 Paul Brook <paul@codesourcery.com>
17409 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17410 as nothrow when unwinding tables are disabled.
17412 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17415 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17416 of bit-field" when in system header.
17418 2006-01-19 DJ Delorie <dj@redhat.com>
17420 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17421 the 16 bit shift limit of the m16c.
17423 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17426 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17427 * config/i386/i386.c (output_set_got): Output the label if we have one
17428 for the TARGET_DEEP_BRANCH_PREDICTION case.
17430 2006-01-19 Jan Hubicka <jh@suse.cz>
17431 H.J. Lu <hongjiu.lu@intel.com>
17432 Evandro Menezes <evandro.menezes@amd.com>
17434 * invoke.texi (generic): Document
17436 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17437 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17438 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17439 (x86_use_incdec, x86_pad_returns): New variables
17440 (TARGET_CPU_DEFAULT_generic): New constant
17441 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17442 (enum processor_type): Add generic32 and generic64.
17443 * i386.md (cpu attribute): Add generic32/generic64
17444 (movhi splitter): Behave sanely when both partial_reg_dependency and
17445 partial_reg_stall are set.
17446 (K8 splitters): Enable for generic as well.
17447 * predicates.md (incdec_operand): Use TARGET_INCDEC
17448 (aligned_operand): Avoid memory mismatch stalls.
17449 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17450 * ppro.md: Enable for generic32
17451 * i386.c (generic64_cost, generic32_cost): New.
17452 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17453 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17454 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17455 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17456 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17457 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17458 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17459 x86_accumulate_outgoing_args, x86_prologue_using_move,
17460 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17461 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17462 Enable for generic.
17463 (x86_use_incdec, x86_pad_returns): New.
17464 (override_options): Add generic32 and generic64, translate "generic"
17465 to generic32/generic64 and "i686" to "generic32", refuse
17466 "generic32"/"generic64" as arch target.
17467 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17468 (ix86_reorg): Honor PAD_RETURNS.
17470 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17472 * tree-pretty-print.c (dump_generic_node): Handle
17473 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17474 * cgraph.c (cgraph_expand_queue): Rename from
17475 cgraph_analyze_queue. Update all users.
17476 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17477 cgraph_expand_queue.
17478 (cgraph_expand_all_functions): Likewise.
17479 (cgraph_finalize_pending_functions): Remove. Update callers.
17481 * tree.h (OMP_DIRECTIVE_P): Define.
17482 (OMP_PARALLEL_FN): Define.
17483 (OMP_PARALLEL_DATA_ARG): Define.
17484 (OMP_SECTIONS_SECTIONS): Define.
17485 * tree-pass.h (pass_expand_omp): Declare.
17486 * omp-low.c (struct omp_region): Declare.
17487 (struct omp_context): Remove fields 'parallel_type',
17488 'parallel_start_ix' and 'parallel_start_additional_args'.
17490 (struct omp_for_data): Rename from struct expand_omp_for_data.
17491 (omp_regions): New static variable.
17492 (root_omp_region): New static variable.
17493 (find_omp_clause): Make static.
17494 (is_in_combined_parallel_ctx): Remove.
17495 (is_combined_parallel): New.
17496 (extract_omp_for_data): Move earlier in the file.
17497 (workshare_safe_to_combine_p): New.
17498 (get_ws_args_for): New.
17499 (determine_parallel_type): Move earlier in the file.
17500 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17502 (omp_copy_decl): Likewise.
17503 (create_omp_child_function): Likewise.
17504 (lookup_omp_region): New.
17505 (dump_omp_region): New.
17506 (debug_omp_region): New.
17507 (debug_all_omp_regions): New.
17508 (new_omp_region): New.
17509 (scan_omp_parallel): If parallel_nesting_level > 1, the
17510 directive is nested within another parallel directive.
17511 Set OMP_PARALLEL_FN.
17512 (scan_omp_for): Do not try to handle combined parallel+for
17514 Remove FIXME comment.
17515 (scan_omp_nested): Remove.
17516 (scan_omp_1): Do not call scan_omp_nested when
17517 parallel_nesting_level is > 1.
17518 Do not change the DECL_CONTEXT of local variables found.
17519 (lookup_decl_in_outer_ctx): New.
17520 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17521 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17522 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17523 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17524 If CTX is nested, lookup VAR in the outer context when
17525 building copy assignment.
17526 (lower_send_clauses): Rename from expand_send_clauses.
17527 If CTX is nested, lookup VAR in the outer context when
17528 building copy assignments.
17529 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17530 If CTX is nested, lookup VAR in the outer context when
17531 building copy assignments.
17532 (expand_parallel_call): Rename from build_parallel_call.
17533 Handle combined parallel+workshare cases.
17534 Re-implement to emit code into the CFG.
17536 (expand_omp_parallel): Re-implement to emit code into the CFG.
17537 Call move_sese_region_to_fn to outline the sub-graph
17538 containing the parallel region.
17539 (expand_omp_for_1): Remove.
17540 (expand_omp_for_generic): Re-implement to emit code into the
17542 (expand_omp_for_static_nochunk): Likewise.
17543 (expand_omp_for_static_chunk): Likewise.
17544 (expand_omp_for): Likewise.
17545 (expand_omp_sections): Likewise.
17546 (remove_exit_barriers): New.
17547 (expand_omp_synch): New.
17549 (build_omp_regions_1): New.
17550 (build_omp_regions): New.
17551 (execute_expand_omp): New.
17552 (gate_expand_omp): New.
17553 (pass_expand_omp): Define.
17554 (lower_omp_sections): Rename from expand_omp_sections.
17555 Set OMP_SECTIONS_SECTIONS.
17556 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17557 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17558 (lower_omp_single): Rename from expand_omp_simple.
17559 (lower_omp_master): Rename from expand_omp_master.
17560 (lower_omp_ordered): Rename from expand_omp_ordered.
17561 (lower_omp_critical): Rename from expand_omp_critical.
17562 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17563 (lower_omp_for): Re-implement.
17564 (lower_omp_parallel): Re-implement.
17565 (lower_regimplify): Rename from expand_regimplify.
17566 (lower_omp_1): Rename from expand_omp_1.
17567 If there are syntax errors in the program, replace every
17568 OpenMP directive with NOP.
17569 Call lower_omp_* instead of expand_omp_*.
17570 (lower_omp): Rename from expand_omp.
17572 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17573 * tree-gimple.h (enum omp_parallel_type): Remove.
17574 (gimple_boolify): Declare extern.
17575 (find_omp_clause, determine_parallel_type): Remove.
17577 * gimple-low.c (lower_omp_directive): New.
17578 (lower_stmt): Call it.
17579 (record_vars_into): Move from ...
17580 (record_vars): ... here.
17581 Call record_vars_into with current_function_decl.
17583 * gimplify.c (struct gimplify_ctx): Remove fields
17584 combined_pre_p and combined_ctxp. Update users.
17585 (get_formal_tmp_var): Add documentation.
17586 (gimple_boolify): Make extern.
17587 (gimplify_expr_in_ctx): Remove. Update callers.
17588 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17589 will always be a BIND_EXPR.
17590 (gimplify_expr): Handle OMP_RETURN_EXPR.
17591 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17592 (OMP_PARALLEL): Add 3 operands.
17593 (OMP_SECTIONS): Add 1 operand.
17594 (OMP_RETURN_EXPR): Define.
17596 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17597 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17598 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17599 creating a circular free list.
17600 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17602 * tree-flow.h (move_sese_region_to_fn): Declare.
17603 (record_vars_into): Declare.
17604 * tree-cfg.c (make_omp_sections_edges): New.
17605 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17606 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17607 OMP_SECTIONS and OMP_SECTION.
17608 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17609 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17610 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17611 (gather_blocks_in_sese_region): New.
17612 (struct move_stmt_d): Declare.
17613 (move_stmt_r): New.
17614 (move_block_to_fn): New.
17615 (move_sese_region_to_fn): New.
17617 * passes.c (init_optimization_passes): Schedule
17618 pass_expand_omp after pass_init_datastructures.
17620 * tree-ssa-operands.c (get_expr_operands): Handle
17621 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17622 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17624 2006-01-19 Jeff Law <law@redhat.com>
17626 * tree-vrp.c (extract_range_from_assert): Refine the result range
17627 if the variable referenced by the ASSERT_EXPR has a range and
17628 either the tentative result range or the previous range is a
17631 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17633 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17635 2006-01-19 Jan Hubicka <jh@suse.cz>
17637 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17639 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17641 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17642 (expand_compound_operation, expand_field_assignment): Fail if the
17643 bit lengths of an extract operation are out of range.
17644 (make_extraction): Compute wanted_inner_mode based on the position
17645 and length of the extraction. Make it extraction_mode for non-constant
17646 positions, and do not modify offset in that case. When generating a
17647 new MEM, use a mode that can hold the extraction while keeping correct
17648 alignment. Remove code that supported MEMs wrapped by USEs.
17649 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17651 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17653 * config/s390/s390.md ("Y", "y"): New mode attribute.
17654 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17655 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17656 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17657 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17658 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17659 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17660 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17661 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17662 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17663 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17664 "addsi3", "subsi3"): Insn patterns removed.
17665 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17666 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17667 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17668 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17669 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17670 "*sub<mode>3_cconly2"): New insn patterns.
17671 ("addsi3", "subsi3"): New expanders.
17673 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17675 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17676 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17677 existing STMT_VINFO_VECTYPE if available.
17678 (vect_mark_relevant): Add special handling for stmts that are
17679 marked as STMT_VINFO_IN_PATTERN_P.
17680 (vect_analyze_loop): Call vect_pattern_recog.
17681 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17682 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17684 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17685 (vect_recog_func_ptr): New function-pointer type.
17686 * tree-vect-patterns.c: New file.
17687 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17688 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17689 (vect_pattern_recog_1): New functions.
17690 (vect_pattern_recog_funcs): New array of function pointers.
17692 * tree-vectorizer.h (ternary_op): New enum value.
17693 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17694 declaration. Revised documentation. Removed redundant dump prints.
17695 Removed redundant argument. Added support for reduction patterns.
17696 (vectorizable_reduction): Added support for reduction patterns.
17697 (vect_transform_stmt): Added support for patterns.
17699 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17700 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17701 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17702 (expand_widen_pattern_expr): New function.
17703 (init_optabs): Initialize new optabs udot_prod_optab,
17705 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17706 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17707 (expand_widen_pattern_expr): New function declaration.
17708 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17710 * tree-inline.c (estimate_num_insns_1): Added cases for new
17711 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17712 * tree-pretty-print.c (dump_generic_node): Likewise.
17713 (op_prio): Likewise.
17714 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17715 * tree-ssa-operands.c (get_expr_operands): Added case for
17717 * tree-vect-patterns.c (widened_name_p): New function.
17718 (vect_recog_dot_prod_pattern): Added function implementation.
17719 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17720 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17721 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17722 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17724 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17725 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17726 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17727 (init_optabs): Initialize new optabs widen_ssum_optab,
17729 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17730 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17731 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17732 use instead of type of def.
17733 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17734 function implementation.
17735 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17736 widen_ssumv8hi): New.
17738 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17741 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17744 * c-decl.c (add_flexible_array_elts_to_size): New function.
17745 (finish_decl): Use it.
17747 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17749 * diagnostic.h: Include options.h.
17750 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17751 dependancies for diagnostic.h.
17752 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17754 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17756 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17757 (ssa_ro_call_cache_valid): Ditto.
17758 * tree-ssa-alias.c (sort_tags_by_id): New function.
17759 (init_transitive_clobber_worklist): Ditto.
17760 (add_to_worklist): Ditto.
17761 (mark_aliases_call_clobbered): Ditto.
17762 (compute_tag_properties): Ditto.
17763 (set_initial_properties): Ditto.
17764 (compute_call_clobbered): Ditto.
17765 (compute_may_aliases): Call compute_call_clobbered and grouping.
17766 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17767 (compute_flow_insensitive_aliasing): Grouping now happens in our
17769 (setup_pointers_and_addressables): Remove clobbering related code.
17770 (add_may_alias): Ditto.
17771 (replace_may_alias): Ditto.
17772 (get_nmt_for): Ditto.
17773 (create_global_var):
17774 (is_escape_site): Return an escape_type enumeration.
17775 * tree-flow-inline.h (is_call_clobbered): Global var does not
17776 imply call clobbered.
17777 (mark_call_clobbered): Take a reason for marking this. Remove
17778 marking of globalness, and cache invalidation.
17779 (clear_call_clobbered): Remove cache invalidation code.
17780 * tree-dfa.c (dump_variable): If details is on, dump the reason
17782 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17784 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17785 (struct var_ann_d): Ditto.
17786 (enum escape_type): New.
17787 (mark_call_clobbered): Adjust prototype.
17788 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17789 are never call clobbered.
17790 Record reasons for escaping.
17791 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17792 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17793 (ssa_ro_call_cache_valid): Ditto.
17794 (clobbered_v_may_defs): Ditto.
17795 (clobbered_vuses): Ditto.
17796 (ro_call_vuses): Ditto.
17797 (clobber_stats): New.
17798 (init_ssa_operands): Zero out clobber stats.
17799 (fini_ssa_operands): Print out clobber stats.
17800 (get_call_expr_operands): Pass callee fndecl to
17801 add_call_read_ops).
17802 (add_call_clobber_ops): Remove use of cache.
17803 Add use of PURE_CONST information.
17804 (add_call_read_ops): Remove use of cache.
17805 Add use of static not_read information.
17807 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17809 Introduce TLS descriptors for i386 and x86_64.
17810 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17811 (TARGET_ANY_GNU_TLS): New macro.
17812 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17813 (struct machine_function): Add tls_descriptor_call_expanded_p.
17814 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17815 (ix86_current_function_calls_tls_descriptor): Likewise.
17816 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17817 (override_options): Introduce gnu2 tls dialect.
17818 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17820 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17822 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17823 (ix86_init_machine_status): Initialize new field.
17824 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17825 (ix86_tls_module_base): New.
17826 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17827 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17828 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17829 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17830 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17831 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17832 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17833 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17834 * config/i386/predicates.md (tls_modbase_operand): New.
17835 (tp_or_register_operand): New.
17837 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17839 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17840 (look_for_address_of): Ditto.
17841 (ipa_init): Walk the function decls.
17842 (static_execute): Don't set readonly on FUNCTION_DECL's.
17844 2006-01-18 Roger Sayle <roger@eyesopen.com>
17846 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17847 for shifts where the source and destination registers are different.
17849 2006-01-18 Paul Brook <paul@codesourcery.com>
17851 Merge from csl-arm-branch.
17852 2005-03-14 Julian Brown <julian@codesourcery.com>
17853 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17854 (aeabi_llsl): Likewise.
17855 (ashrdi3): Likewise.
17856 (aeabi_lasr): Likewise.
17857 (lshrdi3): Likewise.
17858 (aeabi_llsr): Likewise.
17859 2005-03-10 Julian Brown <julian@codesourcery.com>
17860 * config.gcc: Disable shared libgcc for SymbianOS.
17861 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17863 2006-01-18 DJ Delorie <dj@redhat.com>
17865 * c-pragma.c (handle_pragma_diagnostic): New.
17866 (init_pragma): Register it.
17867 * doc/extend.texi: Document it.
17869 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17870 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17871 (diagnostic_context): Add classify_diagnostic[].
17872 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17873 as errors if they're overridden to DK_WARNING.
17874 (diagnostic_initialize): Initialize classify_diagnostic[].
17875 (diagnostic_set_kind_override): New.
17876 (diagnostic_report_diagnostic): Check for kind changes.
17877 * opts.c (common_handle_option): Take lang_mask. Update callers.
17878 Handle OPT_Werror_.
17879 * common.opt (Werror=): New.
17880 * doc/invoke.texi: Document -Werror=*
17882 2006-01-18 Jeff Law <law@redhat.com>
17884 * tree-vrp.c (test_for_singularity): Correct test for new
17885 min limit. Use operand_equal_p rather than pointer equality
17886 for testing if new min/max values are equal.
17888 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17889 using range information until after propagation and folding.
17891 2006-01-18 Richard Henderson <rth@redhat.com>
17892 Aldy Hernandez <aldyh@redhat.com>
17893 Jakub Jelinek <jakub@redhat.com>
17894 Diego Novillo <dnovillo@redhat.com>
17896 * omp-low.c: New file.
17897 * c-omp.c: New file.
17899 2006-01-18 Richard Henderson <rth@redhat.com>
17900 Jakub Jelinek <jakub@redhat.com>
17901 Diego Novillo <dnovillo@redhat.com>
17903 * doc/invoke.texi: Document -fopenmp.
17904 * tree-dump.h (debug_function): Declare.
17905 * hooks.c (hook_bool_tree_bool_false): New function.
17906 (hook_tree_tree_null): Remove.
17907 (hook_tree_tree_tree_null): New.
17908 * hooks.h: Update to match.
17909 * tree-pretty-print.c (debug_tree_chain): New.
17910 (print_generic_expr): Handle TDF_CHAIN.
17911 (dump_generic_node): Handle BLOCK.
17912 Do not abort with incomplete SWITCH_EXPRs.
17913 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17914 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17915 print space after directive name.
17916 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17917 Handle OMP_MASTER and OMP_ORDERED.
17918 Handle printing of OMP_BODY just in one place, goto
17919 dump_omp_body in the rest of OMP_* nodes that have
17921 Don't handle clause nodes here. Update omp statements to
17922 use dump_omp_clauses.
17923 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17924 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17925 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17926 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17927 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17928 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17929 Adjust output for GOMP_PARALLEL.
17930 (dump_omp_clauses): New.
17931 (print_declaration): Dump DECL_VALUE_EXPR.
17932 (op_symbol_1): Split out of op_symbol.
17933 (dumping_stmts): Remove. Update all users.
17934 * cgraph.c (cgraph_analyze_queue): New.
17935 (cgraph_add_new_function): New.
17936 * cgraph.h (cgraph_analyze_queue): Declare.
17937 (cgraph_add_new_function): Declare.
17938 (cgraph_lower_function): Remove.
17939 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17940 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17941 and TYPE_P nodes in its default clause.
17942 (empty_body_p): New.
17943 (tree_range_check_failed): New.
17944 (build5_stat): New.
17945 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17946 OMP_CLAUSE_REDUCTION_MERGE,
17947 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17948 OMP_CLAUSE_PRIVATE_DEBUG,
17949 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17950 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17951 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17952 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17953 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17954 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17955 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17956 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17957 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17958 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17959 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17960 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17961 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17962 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17963 (TREE_RANGE_CHECK): New.
17964 (empty_body_p): Declare.
17965 (enum omp_clause_default_kind): New.
17966 (build_string_literal): Declare.
17967 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17968 (build5_stat, build5): Declare.
17969 * tree-pass.h (TDF_CHAIN): Define.
17970 * tree-pass.h (PROP_gimple_lomp): Define.
17971 (pass_lower_omp): Declare.
17972 * diagnostic.h (debug_tree_chain): Declare.
17973 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17975 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17976 * builtins.c (build_string_literal): Make extern.
17977 * gcc.c (include_spec_function): New.
17978 (static_spec_functions): Add it.
17979 (main): Move load of libgomp.spec ...
17980 (LINK_COMMAND_SPEC): ... here.
17981 (link_gomp_spec): New.
17982 (static_specs): Include it.
17983 (LINK_COMMAND_SPEC): Add link_gomp.
17984 (GOMP_SELF_SPECS): New.
17985 (driver_self_specs): Include it.
17986 (switch_matches): Don't mark inline.
17987 (main): Load libgomp.spec.
17988 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17989 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17990 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17991 * tree-gimple.h (enum omp_parallel): Declare.
17992 (determine_parallel_type): Declare.
17993 (omp_firstprivatize_variable): Declare.
17994 (omp_reduction_init): Declare.
17995 (diagnose_omp_structured_block_errors): Declare.
17996 (struct walk_stmt_info): Add want_return_expr.
17997 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17998 (find_omp_clause): Declare.
17999 (insert_field_into_struct): Declare.
18000 (struct walk_stmt_info): Move from tree-nested.c
18001 (walk_stmts): Declare.
18002 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18004 * cgraphunit.c (cgraph_lower_function): Make static.
18005 (cgraph_finalize_pending_functions): New.
18006 (cgraph_finalize_function): Call it.
18007 (cgraph_finalize_compilation_unit): Likewise.
18008 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18009 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18010 (BT_FN_UINT_UINT): New.
18011 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18012 DEF_FUNCTION_TYPE_VAR_4): Document.
18013 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18014 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18015 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18016 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18017 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18018 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18019 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18020 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18021 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18022 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18023 into separate files.
18024 (DEF_GOMP_BUILTIN): New.
18025 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18026 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18027 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18028 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18029 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18030 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18031 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18032 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18033 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18034 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18035 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18036 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18037 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18038 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18039 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18040 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18041 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18042 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18043 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18044 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18045 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18046 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18047 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18048 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18049 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18050 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18051 * sync-builtins.def: New file, moved from builtins.def.
18052 * omp-builtins.def: New file, moved from builtins.def.
18053 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18054 * gimple-low.c (lower_function_body): Clear data.
18055 (lower_stmt): Do not handle COMPOUND_EXPR.
18056 Remove call to print_node_brief.
18057 * c-tree.h (c_finish_omp_clauses): New prototype.
18058 (C_DECL_THREADPRIVATE_P): Define.
18059 (lookup_name_no_remap, c_omp_remap_private): Remove
18060 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18061 (check_for_loop_decls): Update decl.
18062 (lookup_name_no_remap, c_omp_remap_private): Declare.
18063 (build_indirect_ref, build_modify_expr, pushdecl,
18064 pushdecl_top_level): Move to c-common.h.
18065 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18066 before the switch, but just in the 2 places that need it.
18067 * c-decl.c (diagnose_mismatched_decls): Do not check for
18068 mismatched thread-local attributes when OLDDECL is marked
18069 threadprivate and NEWDECL has no thread-local attributes.
18070 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18071 (c_gimple_diagnostics_recursively): Rename from
18072 c_warn_unused_result_recursively. Invoke
18073 diagnose_omp_structured_block_errors.
18074 (check_for_loop_decls): Return a singular decl found.
18075 * langhooks.c (lhd_omp_predetermined_sharing): Return
18076 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18077 (lhd_omp_firstprivatize_type_sizes): New.
18078 (lhd_omp_assignment): New.
18079 (lhd_omp_predetermined_sharing): New.
18080 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18081 (struct lang_hooks_for_types): Add
18082 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18083 omp_predetermined_sharing, omp_disregard_value_expr,
18084 omp_private_debug_clause, omp_clause_default_ctor,
18085 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18086 (c_finish_omp_clauses): New.
18087 (c_finish_bc_stmt): Diagnose break within omp for.
18088 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18089 (build_unary_op): Return error_mark after reporting
18091 (build_modify_expr): Likewise.
18092 * gimplify.c: Include optabs.h and pointer-set.h.
18093 (enum gimplify_omp_var_data): Declare.
18094 (struct gimplify_omp_ctx): Declare.
18095 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18097 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18098 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18099 (splay_tree_compare_decl_uid): New.
18100 (new_omp_context): New.
18101 (delete_omp_context): New.
18102 (gimple_add_tmp_var): Call omp_add_variable.
18103 (gimplify_bind_expr): Likewise.
18104 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18105 true, disregard DECL_VALUE_EXPR on the decl if any.
18106 (gimplify_expr_in_ctx): New.
18107 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18108 omp_add_variable, omp_notice_variable, omp_is_private
18109 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18110 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18111 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18112 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18113 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18114 gimplify_omp_atomic): New.
18115 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18116 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18117 OMP_CRITICAL and OMP_ATOMIC.
18118 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18119 * c-pragma.h (enum pragma_kind): Add
18120 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18121 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18122 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18123 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18124 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18125 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18126 PRAGMA_OMP_THREADPRIVATE.
18127 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18128 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18129 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18130 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18131 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18132 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18133 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18134 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18135 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18136 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18137 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18138 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18139 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18141 (struct nesting_info): Add field_map,
18142 suppress_expansion, debug_var_chain.
18143 (create_nesting_tree): Initialize them.
18144 (lookup_field_for_decl): Use field_map.
18145 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18146 (convert_local_omp_clauses): New.
18147 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18148 (walk_body): Split out of walk_function.
18149 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18150 (convert_nonlocal_reference): Handle omp statements.
18151 (convert_local_reference): Likewise.
18152 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18153 (unnest_nesting_tree): New.
18154 (lower_nested_functions): Call it.
18155 (insert_field_into_struct): Make extern.
18156 (struct walk_stmt_info): Move to tree-gimple.h.
18157 (walk_stmts): Make extern.
18158 * omp-builtins.def: New file.
18159 * tree-iterator.c (expr_only): Clarify comment.
18160 * c-common.h (pushdecl_top_level, pushdecl,
18161 build_modify_expr, build_indirect_ref,
18162 c_finish_omp_master, c_finish_omp_critical,
18163 c_finish_omp_ordered, c_finish_omp_barrier,
18164 c_finish_omp_atomic, c_finish_omp_flush,
18165 c_finish_omp_for, c_split_parallel_clauses,
18166 omp_clause_default_kind, c_omp_sharing_predetermined,
18167 c_omp_remap_decl): Declare.
18168 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18169 (OBJS-common): Add omp-low.o.
18170 (c-omp.o, omp-low.o): Add.
18171 (gimplify.o): Add dependency on $(OPTABS_H).
18172 (GTFILES): Add omp-low.c.
18173 (gt-stringpool.h): Add.
18174 * tree-cfg.c (set_bb_for_stmt): Do not update the
18175 block-to-labels map if we are currently expanding to RTL.
18176 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18178 Handle IDENTIFIER_NODE.
18179 (tree_verify_flow_info): Do not ICE when emitting error
18180 messages about invalid labels.
18181 (dump_function_to_file): Reset CFUN before emitting the body
18183 (debug_function): New.
18184 * passes.c (init_optimization_passes): Schedule
18186 * langhooks-def.h (lhd_omp_predetermined_sharing,
18187 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18189 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18190 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18191 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18192 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18193 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18194 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18195 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18196 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18197 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18198 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18199 (LANG_HOOK_DECLS): Use them.
18201 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18202 Richard Henderson <rth@redhat.com>
18203 Jakub Jelinek <jakub@redhat.com>
18204 Diego Novillo <dnovillo@redhat.com>
18206 * c-parser.c (pragma_omp_clause): Define.
18207 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18208 (c_parser_compound_statement): Likewise.
18209 (c_parser_statement): Likewise.
18210 (c_parser_pragma): Handle omp pragmas.
18211 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18212 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18213 (c_parser_omp_clause_name, check_no_duplicate_clause,
18214 c_parser_omp_variable_list,
18215 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18216 c_parser_omp_clause_copyprivate,
18217 c_parser_omp_clause_default,
18218 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18219 c_parser_omp_clause_lastprivate,
18220 c_parser_omp_clause_nowait,
18221 c_parser_omp_clause_num_threads,
18222 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18223 c_parser_omp_clause_reduction,
18224 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18225 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18226 c_parser_omp_atomic, c_parser_omp_barrier,
18227 c_parser_omp_critical, c_parser_omp_flush,
18228 c_parser_omp_for_loop, c_parser_omp_for,
18229 c_parser_omp_master, c_parser_omp_ordered,
18230 c_parser_omp_sections_scope, c_parser_omp_sections,
18231 c_parser_omp_parallel, c_parser_omp_single,
18232 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18233 * c-pragma.c (init_pragma): Do omp pragma registration here.
18234 * c.opt (fopenmp): New flag.
18236 2006-01-18 Eric Christopher <echristo@apple.com>
18238 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18239 * config/darwin.h (GOMP_SELF_SPECS): Define.
18241 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18243 * rtl.h: Remove the prototype for reg_alloc.
18245 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18248 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18249 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18250 sjlj and dwarf2 exception handling.
18251 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18252 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18253 * pa/pa.c (function_value): Treat complex and vector types as
18255 (function_arg): Likewise. Only pass scalar floats in the floating
18256 point argument registers.
18257 * pa/t-slibgcc-dwarf-ver: New file.
18258 * pa/t-slibgcc-sjlj-ver: New file.
18259 * pa/t-slibgcc-elf-ver: Delete file.
18261 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18263 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18264 unlikely_test_section_p test.
18266 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18268 * mode-switching.c (optimize_mode_switching): Make it static.
18269 * basic-block.h: Remove the prototype for
18270 optimize_mode_switching.
18272 * modulo-sched.c (sms_schedule): Make it static.
18273 * rtl.h: Remove the prototype for sms_schedule.
18275 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18276 * rtl.h: Remove the prototype for gcse_after_reload_main.
18278 * reg-stack.c (reg_to_stack): Make it static.
18279 * rtl.h: Remove the prototype for reg_to_stack.
18281 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18283 * rtl.h: Remove the prototypes for regrename_optimize and
18284 copyprop_hardreg_forward.
18286 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18288 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18289 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18290 Test against the appropriate null constant for the mode.
18291 If 'fixup_overlap' is true, swap the operands if they overlap.
18292 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18293 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18294 alpha_split_tmode_pair and adjust for above change.
18295 * config/alpha/alpha.md (movtf_internal): Adjust call to
18296 alpha_split_tfmode_pair and rely on it to swap the operands.
18297 (movti_internal): New insn and post-reload splitter.
18298 (movti): New expander.
18300 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18302 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18305 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18307 * rtlanal.c (global_reg_mentioned_p_1,
18308 global_reg_mentioned_p): Remove.
18309 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18311 * flow.c (initialize_uninitialized_subregs): Make it static.
18312 * rtl.h: Remove the prototype for
18313 initialize_uninitialized_subregs.
18315 * function.c (instantiate_virtual_regs): Make it static.
18316 * function.h: Remove the prototype for
18317 instantiate_virtual_regs.
18319 * regmove.c (regmove_optimize, combine_stack_adjustments):
18321 * rtl.h: Remove the prototypes for regmove_optimize and
18322 combine_stack_adjustments.
18324 2006-01-17 Roger Sayle <roger@eyesopen.com>
18326 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18327 (size_cost): Encode costs in bytes so that a reg-reg addition is
18328 equivalent to COSTS_N_INSNS(1).
18329 (override_options): Use the size_cost.branch_cost as the default
18330 ix86_branch_cost when optimizing for size.
18332 2006-01-18 Ben Elliston <bje@au.ibm.com>
18334 * Makefile.in (D32PBIT_FUNCS): New.
18335 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18336 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18337 D64PBIT_FUNCS and D128PBIT_FUNCS.
18338 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18339 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18341 (decnumber_dep): Define.
18342 * doc/libgcc.texi (Decimal float library routines): New node.
18343 * config/dfp-bit.h, config/dfp-bit.c: New files.
18345 2006-01-18 Ben Elliston <bje@au.ibm.com>
18347 * expr.c (emit_move_change_mode): Always adjust addresses, not
18348 just during reload. Copy replacements only during reload.
18349 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18350 emit_move_via_integer.
18352 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18354 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18355 instead of $(srcdir) and ${srcdir}.
18357 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18360 PR middle-end/11135
18361 * arm.h (struct machine_function): Add pic_reg.
18362 * arm.c (arm_pic_register): Make unsigned.
18363 (arm_override_options): Only set arm_pic_register if
18364 TARGET_SINGLE_PIC_BASE.
18365 (use_return_insn): Only test for a pic register if it is fixed.
18366 (arm_compute_save_reg0_reg12_mask): Likewise.
18367 (thumb_compute_save_reg_mask): Likewise.
18368 (legitimate_pic_operand): Factor out some known invariants.
18369 (legitimize_pic_address): If we don't have a fixed pic register,
18370 then set up a pseudo in the function entry sequence. Handle the
18371 pic base being in a pseudo.
18372 (arm_load_pic_register): Handle the pic register being in a pseudo.
18373 (arm_expand_prologue): Only set up the pic register if it is fixed.
18374 (thumb_expand_prologue): Likewise.
18375 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18376 (pic_load_addr_based_insn): Likewise.
18377 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18380 2006-01-18 Ben Elliston <bje@au.ibm.com>
18382 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18383 decimal float modes for all floating point registers.
18385 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18386 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18388 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18391 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18392 even when the pointer is not NULL.
18394 2006-01-16 Ian Lance Taylor <ian@airs.com>
18396 * common.opt (ftoplevel-reorder): New option.
18397 * cgraph.c (cgraph_asm_nodes): New global variable.
18398 (cgraph_asm_last_node): New static variable.
18399 (cgraph_order): New global variable.
18400 (cgraph_create_node): Set new order field.
18401 (cgraph_varpool_node): Likewise.
18402 (decide_is_variable_needed): Return true if not
18403 flag_toplevel_reorder.
18404 (cgraph_add_asm_node): New function.
18405 * cgraph.h (struct cgraph_node): Add order field.
18406 (struct cgraph_varpool_node): Add order field.
18407 (struct cgraph_asm_node): Define.
18408 (cgraph_asm_nodes, cgraph_order): Declare.
18409 (cgraph_add_asm_node): Declare.
18410 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18412 (cgraph_varpool_assemble_pending_decls): Call it.
18413 (cgraph_output_pending_asms): New static function.
18414 (cgraph_finalize_compilation_unit): Call it.
18415 (struct cgraph_order_sort): Define.
18416 (cgraph_output_in_order): New static function.
18417 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18418 !flag_toplevel_reorder case.
18419 * c-parser.c: Include "cgraph.h".
18420 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18422 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18423 than -fno-unit-at-a-time.
18424 * doc/invoke.texi (Option Summary): Mention
18425 -fno-toplevel-reorder.
18426 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18427 -funit-at-a-time documentation.
18429 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18430 Kazu Hirata <kazu@codesourcery.com>
18432 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18434 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18436 * Makefile.in (FUNCTION_H): New. Use it instead of
18437 function.h throughout the file.
18438 * function.h: Include tree.h.
18440 2006-01-17 Ben Elliston <bje@au.ibm.com>
18442 * recog.c: Separate some functions with whitespace.
18444 2006-01-16 Richard Henderson <rth@redhat.com>
18446 Merge from gomp branch:
18447 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18448 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18449 and rename from struct inline_data. Rename callee* to dst*;
18450 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18451 transform_new_cfg, transform_return_to_modify, and
18452 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18454 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18455 (copy_decl_for_dup): Remove.
18456 * tree-inline.c (struct inline_data): Move to header.
18457 (insert_decl_map): Export.
18458 (remap_decl): Update for member name changes. Use copy_decl hook.
18459 Allow for replacement to be a non-decl. Remove dead code.
18460 (remap_type_1): Check for existing mapping.
18461 (remap_type): Export.
18462 (remap_decls): Update for member name changes.
18463 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18464 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18465 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18466 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18467 (tree_function_versioning, build_duplicate_type): Likewise.
18468 (copy_body_r): Likewise. Export.
18469 (copy_decl_for_dup): Split into ...
18470 (copy_decl_for_dup_finish, copy_decl_to_var,
18471 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18472 (replace_ref_tree, inlining_p): Remove.
18474 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18476 * ifcvt.c (if_convert): Make it static.
18477 * rtl.h: Remove the prototype for if_convert.
18479 * local-alloc.c (local_alloc): Make it static.
18480 * rtl.h: Remove the prototype for local_alloc.
18482 * loop.c (loop_optimize): Make it static.
18483 * cfgloop.h: Remove the prototype for loop_optimize.
18486 2006-01-16 DJ Delorie <dj@redhat.com>
18488 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18491 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18493 * pa.md: Disparage copies between general and floating-point registers
18494 in 32-bit move patterns.
18496 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18499 * Makefile.in (check-%): Depend on site.exp instead of
18500 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18503 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18505 * global.c (global_alloc): Make it static.
18506 * rtl.h: Remove the prototype for global_alloc.
18508 2006-01-16 Richard Guenther <rguenther@suse.de>
18510 * tree-ssa-alias.c (struct used_part): Add write_only field.
18511 (get_or_create_used_part_for): Initialize it to true.
18512 (create_overlap_variables_for): Don't create structure variables
18513 for structures that only are written to.
18514 (find_used_portions): Handle MODIFY_EXPR to track whether a
18515 structure is only written to.
18517 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18519 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18521 * basic-block.h: Remove the prototype for
18522 partition_hot_cold_basic_blocks.
18524 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18526 * cppspec.c (lang_specific_spec_functions): Remove.
18527 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18528 * gcc.h (lang_specific_spec_functions): Remove.
18529 * gccspec.c (lang_specific_spec_functions): Remove.
18531 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18533 * combine.c (record_value_for_reg): Invalidate registers
18535 (record_dead_and_set_regs_1): Likewise, by passing them to
18536 record_value_for_reg.
18537 (record_dead_and_set_regs): Invalidate stores made by a
18538 call. We do not combine across a call, but we still
18539 relied on equivalences.
18541 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18543 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18544 vrp_int_const_binop returning non-constant nodes.
18546 2006-01-16 Paul Brook <paul@codesourcery.com>
18548 * config/m68k/m68k.c (output_move_const_into_data_reg):
18549 Output correct mnemonic for mvz and mvs.
18551 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18553 * rtl-factoring.c: Add sequence abstraction algorithm.
18554 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18555 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18557 (block_has_preserve_label): New function.
18558 * common.opt: Register new pass.
18559 * Makefile.in: Ditto.
18561 * timevar.def: Ditto.
18562 * tree-pass.h: Ditto.
18563 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18564 * rtl.h (make_jump_insn_raw): Add forward decl.
18565 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18567 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18568 Roger Sayle <roger@eyesopen.com>
18570 * fold-const.c (fold_minmax): New static function.
18571 (fold_binary) <MIN_EXPR>: Call it.
18572 <MAX_EXPR>: Likewise.
18573 * stor-layout.c (place_field): Use DECL_SIZE consistently
18574 in the computation of the new record size.
18576 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18578 * cse.c (cse_condition_code_reg): Make it static.
18579 * rtl.h: Remove the prototype for cse_condition_code_reg.
18581 * combine.c (combine_instructions): Make it static.
18582 * rtl.h: Remove the prototype for combine_instructions.
18584 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18587 * tree.c (get_file_function_name_long): Concatenate the first global
18588 object name with a string derived from the input filename of the object
18591 2006-01-16 Ben Elliston <bje@au.ibm.com>
18593 * config/i386/winnt-stubs.c: Update FSF address.
18594 * config/xtensa/ieee754-df.S: Ditto.
18595 * config/xtensa/ieee754-sf.S: Ditto.
18597 2006-01-14 Ian Lance Taylor <ian@airs.com>
18599 * ifcvt.c (noce_init_if_info): New static function, broken out of
18600 noce_process_if_block.
18601 (noce_process_if_block): Call noce_init_if_info.
18602 (check_cond_move_block): New static function.
18603 (cond_move_process_if_block): New static function.
18604 (process_if_block): Call cond_move_process_if_block.
18606 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18608 * cselib.c (hash_table): Rename to cselib_hash_table.
18609 (cselib_clear_table, discard_useless_values,
18610 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18611 cselib_init, cselib_finish): Adjust uses of hash_table.
18613 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18615 PR tree-optimization/25485
18616 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18617 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18618 is known to be false and true, respectively.
18620 2006-01-14 Richard Guenther <rguenther@suse.de>
18622 PR tree-optimization/22548
18623 PR tree-optimization/22555
18624 PR tree-optimization/22501
18625 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18626 * params.def (salias-max-array-elements): New parameter.
18627 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18628 * doc/invoke.texi (salias-max-array-elements): Document.
18629 * tree-flow-inline.h (var_can_have_subvars): We also handle
18631 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18633 * tree-ssa-structalias.c (params.h): Include.
18634 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18635 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18636 (get_constraint_for): For ADDR_EXPR operating on something
18637 containing an ARRAY_REF, add all subvars to the solution.
18638 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18639 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18640 for creating MUST_DEFs.
18641 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18643 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18645 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18647 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18648 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18649 number_of_iterations_le): New functions.
18650 (number_of_iterations_special): Removed.
18651 (number_of_iterations_exit): Do not use number_of_iterations_special.
18652 * tree.c (unsigned_type_for): Always return integer type.
18654 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18655 Richard Guenther <rguenther@suse.de>
18657 PR rtl-optimization/24257
18658 * gcse.c (find_moveable_store): Only consider a store movable
18659 when the SET_SRC of the insn can be assigned to a register.
18661 2006-01-14 Ian Lance Taylor <ian@airs.com>
18663 * tree.c (tree_not_class_check_failed): New function.
18664 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18665 (tree_not_class_check_failed): Declare.
18667 2006-01-13 Ian Lance Taylor <ian@airs.com>
18669 * reload1.c (do_output_reload): Add assertion rejecting a
18672 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18674 * combine.c (struct reg_stat): Add new fields truncation_label and
18676 (record_value_for_reg): Reset truncated_to_mode.
18677 (record_truncated_value): New function.
18678 (check_promoted_subreg): Call it. Rename to check_conversions.
18679 (combine_instructions): Rename check_promoted_subreg to
18681 (reg_truncated_to_mode): New function.
18682 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18683 (gen_lowpart_or_truncate): New function.
18684 (force_to_mode): Use it instead of gen_lowpart.
18686 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18688 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18689 VAR is a tag, not its type tag.
18691 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18693 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18694 alternatives to match style of other entries.
18695 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18697 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18699 PR tree-optimization/25771
18700 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18703 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18706 * tree-inline.c (declare_return_variable): If the return variable
18707 was marked as a non gimple complex, set the return slot variable
18708 to be a non gimple comple variable.
18710 2006-01-13 Richard Guenther <rguenther@suse.de>
18712 * builtins.c (expand_builtin_sincos): New function.
18713 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18715 (expand_builtin): Expand sincos using expand_builtin_sincos.
18717 2006-01-12 DJ Delorie <dj@redhat.com>
18719 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18720 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18721 so that constant shifts can be split.
18722 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18723 (m32c_valid_pointer_mode): Make static.
18724 (shift_gen_func_for): New.
18725 (m32c_prepare_shift): Use it. Split large const shifts into
18727 * config/m32c/predicates.md (shiftcount_operand): Allow more
18729 (longshiftcount_operand): New.
18730 * doc/md.texi (Machine Constraints): Document In6.
18732 2006-01-13 Ben Elliston <bje@au.ibm.com>
18734 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18735 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18738 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18740 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18741 to try to avoid clobbering pieces of structures when we know
18742 something about the whole structure.
18743 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18745 2006-01-13 Ben Elliston <bje@au.ibm.com>
18747 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18748 return in memory, as this is no limitation is no longer present.
18750 2006-01-12 DJ Delorie <dj@redhat.com>
18752 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18753 mova with fb, and for fb+0 -> An.
18755 * config/m32c/mov.md (peephole2): Fix enabling logic.
18757 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18758 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18759 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18760 FINI_ARRAY_SECTION_ASM_OP): Define.
18762 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18764 (m32c_legitimize_reload_address): New logic to reload FB to An.
18765 (m32c_output_reg_push): Add newline.
18766 (m32c_output_reg_pop): Likewise.
18768 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18770 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18772 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18774 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18776 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18778 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18781 2006-01-11 Ben Elliston <bje@au.ibm.com>
18783 * rtlanal.c (find_reg_note): Assert insn is not null.
18785 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18787 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18790 2006-01-11 Jeff Law <law@redhat.com>
18792 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18794 (mark_threaded_blocks, register_jump_thread): New functions.
18795 (thread_through_all_blocks): Remove unwanted argument. No
18796 longer rely on e->aux to communicate thread target info.
18797 Call mark_threaded_blocks. Release the threaded_blocks
18798 bitmap and threaded_edges vector when complete.
18799 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18800 (threaded_blocks): Remove.
18801 (tree_ssa_dominator_optimize): Remove initialization and
18802 finalization of threaded_blocks. Simplify call to
18803 thread_through_all_blocks.
18804 (thread_across_edge): Call register_jump_thread rather than
18805 storing thread information into e->aux.
18806 (free_all_edge_infos): Simplify now that e->aux is no longer
18807 used to communicate with thread_through_all_blocks.
18808 * tree-flow.h (thread_through_all_blocks): Update prototype.
18809 (register_jump_thread): Prototype.
18811 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18813 * df-core.c (df_compact_blocks, df_bb_replace): Use
18814 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18816 2006-01-11 Richard Guenther <rguenther@suse.de>
18818 PR tree-optimization/25734
18819 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18820 stop propagation after successful propagation to the LHS.
18822 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18824 * basic-block.h (control_flow_graph): Change the type of
18825 x_basic_block_info to VEC(basic_block,gc) *.
18826 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18828 (SET_BASIC_BLOCK): New.
18829 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18830 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18831 * cfgbuild.c (find_basic_blocks): Likewise.
18832 * cfglayout.c (fixup_reorder_chain): Likewise.
18833 * cfgrtl.c (create_basic_block_structure,
18834 rtl_create_basic_block): Likewise.
18835 * ifcvt.c (find_if_case_1): Likewise.
18836 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18839 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18841 * Makefile.in: Removed rotted odf.c entry.
18843 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18846 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18847 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18848 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18849 output pattern modifier, not %e.
18850 * config/cris/cris.c (cris_op_str): Update comment about pattern
18852 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18853 before falling through into...
18854 <case 'E'>: Redefined from old 'e' case.
18856 2006-01-11 Jan Hubicka <jh@suse.cz>
18859 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18861 2006-01-11 Jan Hubicka <jh@suse.cz>
18863 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18864 * i386.c (x86_decompose_lea): Kill.
18865 (ix86_rtx_costs): Kill.
18867 2006-01-11 Jan Hubicka <jh@suse.cz>
18869 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18870 * cgraph.h (cgraph_node): Add inline_decl.
18871 (cgraph_insert_node_to_hashtable): Declare.
18872 (save_inline_function_body): Declare.
18873 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18875 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18876 (cgraph_function_versioning): Update call of tree_function_versioning.
18877 (save_inline_function_body): New function.
18878 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18879 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18880 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18881 (cgraph_default_inline_p): Likewise.
18882 (cgraph_decide_inlining_incrementally): Likewise.
18883 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18884 (copy_bb): Kill saving; do updating of clones.
18885 (copy_cfg_body): Kill saving.
18886 (initialize_inlined-parameters): Likewise.
18887 (expand_call_inline): Likewise.
18889 (tree_function_versioning): New parameter "update_clones".
18890 (inlining_p): Kill saving.
18891 * tree-inline.h (tree_function_versioning): Update prototype.
18892 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18895 2006-01-11 Ian Lance Taylor <ian@airs.com>
18897 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18898 Allow undoing set of machine mode.
18899 (do_SUBST): Use enums instead of is_int.
18900 (do_SUBST_MODE): New function.
18901 (SUBST_MODE): New macro.
18902 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18903 reg and trying to replace reg_regno_rtx with a new register.
18904 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18905 (simplify_set): Use SUBST_MODE.
18906 (distribute_notes): Remove code that tried to update reg notes
18907 for regno_reg_rtx changes.
18909 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18911 PR tree-optimization/23109
18912 PR tree-optimization/23948
18913 PR tree-optimization/24123
18915 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18916 * tree-cfg.c (single_noncomplex_succ): New.
18917 * tree-flow.h (single_noncomplex_succ): Declare it.
18918 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18919 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18920 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18921 insert_bb, register_division_in, insert_reciprocals,
18922 replace_reciprocal, free_bb): New.
18923 (execute_cse_reciprocals_1): Rewritten.
18924 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18925 Do not commit any edge insertion. Always compute dominators and
18926 create the allocation pool.
18927 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18928 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18929 * targhooks.c (default_min_divistions_for_recip_mul): New.
18930 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18931 * passes.c (init_optimization_passes): Run recip after tree loop
18933 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18935 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18936 Kenneth Zadeck <zadeck@naturalbridge.com>
18938 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18939 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18940 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18941 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18942 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18943 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18944 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18945 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18946 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18947 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18948 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18949 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18950 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18951 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18952 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18953 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18954 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18955 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18956 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18957 DF_SCAN_POST_ALLOC): New macros.
18958 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18959 df_free_bb_function, df_local_compute_function, df_init_function,
18960 df_dataflow_function, df_confluence_function_0,
18961 df_confluence_function_n, df_transfer_function,
18962 df_finalizer_function, df_free_function, df_dump_problem_function,
18963 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18964 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18965 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18966 df_urec_bb_info, ) New types.
18967 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18969 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18970 df_analyze_simple_change_some_blocks,
18971 df_analyze_simple_change_one_block, df_compact_blocks,
18972 df_bb_replace, df_bb_regno_last_use_find,
18973 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18974 df_insn_regno_def_p, df_find_def, df_find_use,
18975 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18976 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18977 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18978 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18979 debug_df_chain, df_get_dependent_problem, df_chain_create,
18980 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18981 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18982 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18983 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18984 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18985 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18986 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18987 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18988 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18989 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18990 df_reorganize_refs, df_set_state, df_hard_reg_init,
18991 df_read_modify_subreg_p) New public functions.
18992 * df-core.c: The core dataflow solver and glue routines for rtl
18994 (df_init, df_add_problem, df_set_blocks, df_finish,
18995 df_hybrid_search_forward, df_hybrid_search_backward,
18996 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18997 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18998 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18999 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19000 df_reg_defined, df_find_use, df_reg_used, df_dump,
19001 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19002 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19003 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19004 debug_df_useno, reset_df_after_reload): New functions.
19005 * df-scan.c: The scanning fuctions, once in df.c, completely
19006 rewritten so that they now fully model the functionality of
19007 register usage at the backend.
19008 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19009 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19010 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19011 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19012 df_get_artificial_defs, df_get_artificial_uses,
19013 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19014 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19015 df_refs_delete, df_reorganize_refs, df_set_state,
19016 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19017 df_def_record_1, df_defs_record, df_uses_record,
19018 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19019 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19020 df_record_exit_block_uses, df_hard_reg_init): New functions.
19022 * df-problems.c: Seven concrete dataflow problems that use the
19023 scanning in df-scan.c and are solved by the engine in df-core.c.
19024 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19025 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19026 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19027 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19028 df_ru_free_bb_info, df_ru_alloc,
19029 df_ru_bb_local_compute_process_def,
19030 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19031 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19032 df_ru_transfer_function, df_ru_free, df_ru_dump,
19033 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19034 df_rd_free_bb_info, df_rd_alloc,
19035 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19036 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19037 df_rd_transfer_function, df_rd_free, df_rd_dump,
19038 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19039 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19040 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19041 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19042 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19043 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19044 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19045 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19046 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19047 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19048 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19049 df_urec_mark_reg_use_for_earlyclobber,
19050 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19051 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19052 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19053 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19054 df_chain_create_bb_process_use, df_chain_create_bb,
19055 df_chain_finalize, df_chain_free, df_chains_dump,
19056 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19057 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19058 df_reg_lifetime): New functions.
19059 * df.c: Deleted file.
19060 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19061 consistent with new df api.
19062 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19063 rest_of_handle_sms): Ditto.
19064 * web.c (unionfind_union, union_defs, entry_register, web_main):
19066 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19067 invariant_expr_equal_p, find_defs, check_dependencies,
19068 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19069 free_inv_motion_data, move_loop_invariants): Ditto.
19070 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19071 Update dependencies.
19072 (odf.c): Added defective entry that was deleted later in day.
19073 * sched-deps.c (sched_analyze_1): Ditto.
19075 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19077 * tree-ssa-operands.c (get_expr_operands): Record addressable
19078 variables directly. Do not call add_stmt_operands for CONST_DECLs
19080 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19081 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19083 2006-01-11 Ben Elliston <bje@au.ibm.com>
19085 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19086 function returns true in the positive case.
19088 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19091 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19092 for SI, DI, SF and DF modes. Add alternatives to copy between
19093 general and floating point registers to the 32-bit patterns.
19094 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19095 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19096 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19097 generating 64-bit code.
19098 * config/pa/pa.c (output_move_double): Handle copies between general
19099 and floating registers.
19101 2006-01-10 Stuart Hastings <stuart@apple.com>
19103 * config/i386/i386.md (set_got): Update.
19104 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19105 (builtin_setjmp_receiver): Mach-O support.
19106 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19107 (GOT_SYMBOL_NAME): Define.
19108 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19109 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19110 * config/i386/i386.c (override_options): Revise for Darwin.
19111 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19112 support. (darwin_x86_file_end): New. (output_set_got): Add label
19113 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19114 * config/i386/i386-protos.h (output_set_got): Likewise.
19115 * config/darwin.c (machopic_legitimize_pic_address): Update
19118 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19120 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19121 when MODE isn't BLKmode.
19123 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19125 PR rtl-optimization/25367
19126 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19128 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19131 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19132 for a negative bound.
19134 2006-01-10 Richard Guenther <rguenther@suse.de>
19136 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19137 Never override with anything constraint.
19139 2006-01-10 Jan Beulich <jbeulich@novell.com>
19141 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19142 256 bits when optimize_size.
19144 2006-01-10 Jan Beulich <jbeulich@novell.com>
19146 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19148 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19149 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19152 2006-01-10 Ben Elliston <bje@au.ibm.com>
19154 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19156 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19157 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19158 (USE_FP_FOR_ARG): Reject decimal float modes.
19159 (function_arg_advance): Likewise.
19160 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19161 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19162 point types in AltiVec vectors.
19163 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19164 (rs6000_libcall_value): Likewise.
19166 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19168 * config/xtensa/ieee754-df.S: New file.
19169 * config/xtensa/ieee754-sf.S: New file.
19170 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19171 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19172 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19174 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19176 * config/sh/predicates.md (binary_float_operator,
19177 binary_logical_operator, commutative_float_operator,
19178 equality_comparison_operator, greater_comparison_operator,
19179 less_comparison_operator, logical_operator,
19180 noncommutative_float_operator, shift_operator,
19181 symbol_ref_operand, unary_float_operator): Remove redundant
19184 2006-01-09 Jeff Law <law@redhat.com>
19186 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19187 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19188 now unused arguments. Callers updated.
19189 (eliminate_redundant_computations): Remove now unused arguments,
19191 (local_fold): Remove, no longer used.
19192 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19194 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19195 (simplify_cond): New function.
19196 (forward_propagate_into_cond): Call simplify_cond.
19198 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19200 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19201 (*vec_extractv2di_1_sse): New.
19203 2006-01-09 Ben Elliston <bje@au.ibm.com>
19205 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19207 2006-01-08 Richard Guenther <rguenther@suse.de>
19209 * tree-ssa-structalias.c (get_constraint_for): Remove
19210 anyoffset argument.
19211 (get_constraint_for_component_ref): Likewise.
19212 (do_deref): Likewise.
19213 (get_constraint_for): Likewise.
19214 (do_structure_copy): Likewise.
19215 (handle_ptr_arith): Likewise.
19216 (find_func_aliases): Likewise. Remove unused need_anyoffset
19219 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19220 Kaz Kojima <kkojima@gcc.gnu.org>
19222 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19223 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19224 (EXTRA_CONSTRAINT_C16): Remove.
19225 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19226 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19227 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19228 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19229 constants of SHmedia. Handle nested constant expressions of
19231 (andcosts): Fix the costs for SHmedia constants.
19232 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19233 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19234 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19235 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19236 (movv4hi_i, movv2si_i): Likewise.
19237 (movsi_const): Adjust the second operand of ior so to match with
19238 the Csu constraint.
19239 (movdi_const, movdi_const_32bit): Likewise.
19240 (movdi_const_16bit+1): Don't sign-extend LOW.
19241 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19243 (*double_shori): Fix the split condition. Use GEN_INT instead
19244 of get_int_mode calls. Mask lower 16-bit of the argument of
19246 (sym2GOTPLT): Remove.
19247 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19249 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19250 instead of EXTRA_CONSTRAINT_C16.
19252 2006-01-07 Ian Lance Taylor <ian@airs.com>
19253 David Edelsohn <edelsohn@gnu.org>
19255 PR rtl-optimization/25662
19256 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19257 for constant operands instead of simplify_gen_binary.
19258 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19259 after trying simplify_binary_operation
19261 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19263 * tree.c (iterative_hash_expr): Hash decls based on UID.
19265 2006-01-06 Eric Christopher <echristo@apple.com>
19267 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19268 (TARGET_UNWIND_EMIT): Fix spelling.
19269 * target.h (gcc_target): Add except_table_label.
19270 * except.c (output_function_exception_table): Use.
19271 * varasm.c (default_emit_except_table_label): New.
19272 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19274 (asm_out): Add here.
19275 * output.h (default_emit_except_table_label): Prototype.
19276 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19277 * config/darwin.c (darwin_emit_except_table_label): Define.
19278 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19280 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19282 PR tree-optimization/18527
19283 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19284 number_of_iterations_special, number_of_iterations_exit):
19285 Move base and step of an iv to a single structure. Add
19286 no_overflow flag, and use it in # of iterations analysis.
19287 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19288 folded_casts argument.
19289 (simple_iv): Pass base and step in a structure. Set no_overflow
19291 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19292 Evaluate expensiveness of computing # of iterations instead of
19293 the final expression.
19294 * tree-scalar-evolution.h (affine_iv): New structure.
19295 (simple_iv): Declaration changed.
19296 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19297 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19298 find_givs_in_stmt): Changed due to simple_iv change.
19300 2006-01-06 Jeff Law <law@redhat.com>
19303 * tree-cfg.c (bsi_replace): Rename final argument from
19304 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19305 change (stmt -> orig_stmt).
19306 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19307 (bsi_remove): Add new argument. Remove EH information
19309 (verify_eh_throw_table_statements): New function.
19310 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19312 * tree-optimize.c (execute_free_cfg_annotations): Verify
19313 the EH throw statement table after removing annotations.
19314 * except.h (verify_eh_throw_table_statements): Prototype.
19315 * tree-flow.h (bsi_remove): Update prototype.
19316 * tree-vrp.c (remove_range_assertions): Add new argument to
19318 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19319 * tree-complex.c (expand_complex_div_wide): Likewise.
19320 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19321 * tree-tailcall.c (eliminate_tailcall): Likewise.
19322 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19323 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19324 * tree-nrv.c (tree_nrv): Likewise.
19325 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19326 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19327 (combine_blocks): Likewise.
19328 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19329 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19330 (cleanup_control_flow): Likewise.
19331 (remove_forwarder_block): Likewise.
19332 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19333 * tree-sra.c (sra_replace): Likewise.
19334 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19335 (forward_propagate_single_use_vars): Likewise.
19336 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19337 * tree-inline.c (expand_call_inline): Likewise.
19338 * tree-vect-transform.c (vect_transform_loop): Likewise.
19339 * tree-outof-ssa.c (rewrite_trees): Likewise.
19340 * tree-cfg.c (make_goto_expr_edges): Likewise.
19341 (cleanup_dead_labels): Likewise.
19342 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19343 (bsi_move_before, bsi_move_after): Likewise.
19344 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19345 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19347 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19350 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19352 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19353 on non gimple variables. Also add checks at the top for decls and
19355 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19357 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19358 and IMAGPART_EXPR for creating MUST_DEFs.
19359 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19360 and NAME_MEMORY_TAG separately from the DECLs.
19362 2006-01-06 Richard Guenther <rguenther@suse.de>
19364 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19365 annotation, if necessary.
19366 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19367 redundant calls to update_stmt.
19368 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19371 2006-01-05 Richard Henderson <rth@redhat.com>
19373 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19375 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19377 * c-typeck.c: Update copyright date.
19379 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19381 * c-typeck.c (build_c_cast): Always warn when casting
19382 from a pointer to an integer of different size, even if
19383 the node was constant.
19385 2006-01-05 Richard Guenther <rguenther@suse.de>
19387 PR tree-optimization/22555
19388 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19389 if one structure field is an array.
19390 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19391 operands even if we found a subvar, but ignore VOPs in this
19393 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19395 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19397 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19399 PR middle-end/24998
19400 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19402 2006-01-05 Richard Guenther <rguenther@suse.de>
19403 Diego Novillo <dnovillo@redhat.com>
19405 * tree-pass.h (TODO_remove_unused_locals): Define.
19406 * gimple-low.c (expand_var_p, remove_useless_vars,
19407 pass_remove_useless_vars): Remove. Update all users.
19408 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19409 (remove_unused_locals): New function.
19410 * tree-flow.h (remove_unused_locals): Declare.
19411 * passes.c (execute_todo): Call remove_unused_locals if
19412 TODO_remove_unused_locals is set.
19413 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19414 * tree-ssa-dce.c (pass_dce): Likewise.
19415 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19417 2006-01-05 Richard Guenther <rguenther@suse.de>
19419 * tree-flow.h (struct fieldoff): Decompose field to
19420 type, size and decl.
19421 * tree-ssa-alias.c (create_sft): Take type as parameter.
19422 (create_overlap_variables_for): Store type, size and decl
19423 in the fieldoff structure.
19424 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19425 of struct fieldoff.
19426 (push_fields_onto_fieldstack): Likewise.
19427 (create_variable_info_for): Likewise. Use offset for the
19428 SFT name if the decl is not available.
19430 2006-01-04 Paul Brook <paul@codesourcery.com>
19432 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19434 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19436 * lambda-code.c (can_put_in_inner_loop): Relax
19438 (can_put_after_inner_loop): New function.
19439 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19440 (perfect_nestify): Change to make copies and modify uses.
19442 2006-01-04 Richard Henderson <rth@redhat.com>
19444 Merge from gomp branch:
19445 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19446 via integer constant.
19447 (pragma_lex): Remove.
19448 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19449 rather than parsing it.
19450 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19451 handle_pragma_extern_prefix): Add %< %> quotes.
19452 (registered_pragmas): New.
19453 (c_register_pragma_1): New.
19454 (c_register_pragma): Use it.
19455 (c_register_pragma_with_expansion): Likewise.
19456 (c_invoke_pragma_handler): New.
19457 (init_pragma): Use cpp_register_deferred_pragma directly for
19459 * c-pragma.h (enum pragma_kind): New.
19460 (pragma_handler): New.
19461 (c_invoke_pragma_handler): Declare.
19462 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19464 * c-common.h (c_common_pch_pragma): Update decl.
19465 * Makefile.in (c-parser.o): Update dependencies.
19466 (GTFILES): Add c-pragma.h.
19467 * c-parser.c (struct c_token): Add pragma_kind.
19468 (struct c_parser): Add in_pragma.
19469 (c_lex_one_token): Always initialize keyword and pragma_kind.
19470 Extract data for CPP_PRAGMA.
19471 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19472 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19473 Don't allow CPP_PRAGMA_EOL if in_pragma.
19474 (c_parser_consume_pragma): New.
19475 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19476 (c_parser_skip_to_end_of_parameter): Likewise.
19477 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19478 (c_parser_skip_to_pragma_eol): New.
19479 (c_parser_external_declaration): Handle CPP_PRAGMA.
19480 (c_parser_compound_statement_nostart): Likewise.
19481 (c_parser_statement_after_labels): Likewise.
19482 (c_parser_pragma): New.
19483 (pragma_lex): Likewise.
19484 (c_parser_pragma_pch_preprocess): New.
19485 (c_parser_new): Merge into ...
19486 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19488 2006-01-04 Jeff Law <law@redhat.com>
19491 * tree-cfg.c (bsi_replace): Remove the original statement
19492 from the EH throw statement table.
19494 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19496 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19497 make the prototype extern "C" and add throw ().
19500 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19501 and pos non-negative and pos + len <= 32.
19502 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19503 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19504 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19507 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19508 as well as sizes not multiple of component size.
19511 * function.c (instantiate_expr): New function.
19512 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19513 walk its DECL_VALUE_EXPR with instantiate_expr.
19515 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19516 DW_OP_deref{,_size} if address isn't going to be added.
19518 2006-01-04 Ben Elliston <bje@au.ibm.com>
19520 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19521 * config/fp-bit.c: Likewise.
19523 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19525 * dominance.c: Add comment about why we use DFS numbering
19528 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19529 Richard Henderson <rth@redhat.com>
19531 Merge from gomp-branch:
19532 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19533 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19535 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19537 PR rtl-optimization/25578
19538 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19539 pass a parameter to simplify_shift_const if changing ASHIFTRT
19542 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19544 * builtins.c (get_builtin_sync_mem): New function.
19545 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19546 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19547 Call get_builtin_sync_mem to generate mem rtx.
19549 2006-01-03 Richard Guenther <rguenther@suse.de>
19552 * stmt.c (add_case_node): Make sure to clear overflow flags
19555 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19557 Merge from gomp-branch.
19558 * config/sparc/sync.md: New file.
19559 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19560 UNSPECV_LDSTUB): New constants.
19561 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19562 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19563 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19566 2006-01-03 Roger Sayle <roger@eyesopen.com>
19568 * combine.c (reg_subword_p): New predicate to test whether the
19569 destination of a set refers to a subword/piece of a register.
19570 (try_combine): Generalize the code to merge the setting of a
19571 pseudo to a constant followed by a set of a subword of that
19572 register to a constant.
19574 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19576 * basic-block.h (control_flow_graph): Change the type of
19577 x_label_to_block_map to VEC(basic_block,gc) *.
19578 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19579 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19581 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19582 VEC(basic_block,heap) *.
19583 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19584 ssa_prop_fini): Adjust the uses of cfg_blocks.
19586 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19588 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19590 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19591 hashing trees instead of a pointer hash.
19592 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19593 compare for MEM_EXPR.
19595 PR rtl-optimization/25130
19596 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19597 when comparing MEMs for GCSE
19599 2006-01-03 Ben Elliston <bje@au.ibm.com>
19601 * targhooks.h (default_decimal_float_supported_p): Declare.
19602 * targhooks.c (default_decimal_float_supported_p): Define.
19603 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19604 `default_decimal_float_supported_p'.
19605 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19607 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19609 * combine.c (apply_distributive_law <SUBREG>): Check
19610 TRULY_NOOP_TRUNCATION.
19612 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19614 * dwarf2out.c (have_switched_text_section): Delete.
19615 (have_multiple_function_sections): New.
19616 (have_location_lists): Make 'bool'.
19617 (add_AT_loc_list): Use 'true' not '1'.
19618 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19619 (output_loc_list): Use have_multiple_function_sections.
19620 (output_ranges): Likewise.
19621 (dwarf2out_begin_function): Set have_multiple_function_sections if
19623 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19624 Check function_section rather than DECL_SECTION_NAME.
19625 (dwarf2out_finish): Use have_multiple_function_sections.
19626 Don't clear have_location_lists.
19628 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19629 Jan Hubicka <jh@suse.cz>
19631 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19632 case of conditional jump jumping to the next instruction.
19633 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19634 cases of conditional jump jumping to the next instruction.
19636 2006-01-02 Jan Hubicka <jh@suse.cz>
19638 * i386.c (*_cost): Add COSTS_N_INSNS.
19639 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19641 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19644 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19646 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19648 * config/arm/arm.c (all_fpus): Fix comment typo.
19649 * config/darwin.c: Likewise.
19650 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19651 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19652 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19654 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19656 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19657 (rs6000_split_compare_and_swapqhi): New.
19658 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19659 (sync_compare_and_swapqhi_internal): New.
19660 * config/rs6000/rs6000-protos.h: Declare.