1 2006-11-25 Joseph Myers <joseph@codesourcery.com>
3 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
4 inside start_sequence / end_sequence pair.
6 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
8 * jump.c (mark_all_labels): Work in cfglayout mode.
9 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
10 when in cfglayout mode, because there are no dead jumptables
12 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
14 (commit_edge_insertions): Do not allow insertion of instructions
15 with control flow insns when in cfglayout mode.
17 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
19 * tree-vrp.c (execute_vrp): Do not pass loops structure through
21 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
22 unswitch_loop): Ditto.
23 * tree-loop-linear.c (linear_transform_loops): Ditto.
24 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
26 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
27 free_numbers_of_iterations_estimates): Ditto.
28 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
29 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
30 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
31 remove_path, add_loop, loopify, unloop, fix_loop_placements,
32 place_new_loop, duplicate_loop, duplicate_subloops,
33 update_single_exit_for_duplicated_loops, copy_loops_to,
34 duplicate_loop_to_header_edge, create_preheaders,
35 force_single_succ_latches, loop_version, fix_loop_structure):
37 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
38 tree_unroll_loop): Ditto.
39 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
40 * tree-scalar-evolution.c (select_loops_exit_conditions,
41 scev_initialize, scev_analysis): Ditto.
42 * tree-scalar-evolution.h (scev_initialize): Ditto.
43 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
44 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
45 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
46 * modulo-sched.c (sms_schedule): Ditto.
47 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
48 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
49 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
50 * ifcvt.c (if_convert): Ditto.
51 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
52 canonicalize_loop_induction_variables,
53 canonicalize_induction_variables,
54 tree_unroll_loops_completely, remove_empty_loops): Ditto.
55 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
56 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
57 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
58 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
59 tree_ssa_loop_done): Ditto.
60 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
61 estimate_bb_frequencies): Ditto.
62 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
63 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
64 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
65 decide_unrolling_and_peeling, peel_loop_completely,
66 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
67 peel_loop_simple, unroll_loop_stupid): Ditto.
68 * loop-doloop.c (doloop_optimize_loops): Ditto.
69 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
70 * loop-invariant.c (move_loop_invariants): Ditto.
71 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
72 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
73 tree_ssa_prefetch_arrays): Ditto.
74 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
76 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
77 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
78 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
79 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
80 verify_loop_structure): Ditto.
81 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
82 canonicalize_induction_variables, tree_unroll_loops_completely,
83 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
84 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
85 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
86 tree_unroll_loop, linear_transform_loops): Declaration changed.
87 * basic-block.h: Remove declaration of struct loops.
88 * cfghooks.h (struct cfg_hooks): Change type of
89 cfg_hook_duplicate_loop_to_header_edge.
90 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
91 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
92 vect_transform_loop): Declaration changed.
93 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
94 * cfgloop.h (flow_loops_dump, fix_loop_structure,
95 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
96 cancel_loop_tree, create_preheaders, force_single_succ_latches,
97 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
98 loopify, loop_version, remove_path, unswitch_loops,
99 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
102 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
104 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
105 (X87MODEF): New mode macro.
106 (ssemodefsuffix): New mode attribute.
107 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
108 (sqrt_extend<mode>xf2_i387): New insn pattern.
109 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
110 insn and truncate result back to original mode using
111 UNSPEC_TRUNC_NOOP truncation.
112 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
113 ssemodefsuffix mode attribute.
114 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
115 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
116 (*sqrtextenddfxf2_i387): Remove insn patterns.
118 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
121 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
123 2006-11-24 Jakub Jelinek <jakub@redhat.com>
126 * c-tree.h (c_maybe_initialize_eh): New prototype.
127 * c-decl.c (finish_decl): Move EH initialization...
128 (c_maybe_initialize_eh): ... here. New function.
129 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
130 if not #pragma omp atomic.
133 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
134 or UNION_TYPE inner types.
136 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
139 * ipa-pure-const.c (check_tree): If the original tree
140 is volatile return early and say the function is not pure
141 nor const. Remove the volatile check for writes.
142 (analyze_function): Print out the result of the local
145 2006-11-24 Joseph Myers <joseph@codesourcery.com>
147 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
149 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
150 * config/rs6000/rs6000.c (rs6000_override_options): Use
151 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
154 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
156 * config/s390.c (s390_emit_compare_and_swap): New function.
157 (s390_expand_cs_hqi, s390_expand_atomic): Call
158 s390_emit_compare_and_swap.
160 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
162 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
164 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
168 * c-common.c (conversion_warning): New.
169 (convert_and_check): Call conversion_warning unless there is an
171 * doc/invoke.texi (-Wconversion): Update description.
173 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
175 * tree-ssa-alias.c (tree_pointer_compare): New function.
176 (compact_name_tags): New function.
177 (group_aliases): Call compact_name_tags.
179 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
181 * real.h (real_isinteger): Declare.
182 * real.c (real_isinteger): Define.
183 * builtins.c (integer_valued_real_p): Use it.
185 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
188 * c.opt (Wtraditional-conversion): New.
189 (Wconversion): Update description.
190 * c-typeck.c (convert_arguments): Warnings for prototypes causing
191 type conversions different from what would happen in the absence
192 of prototype are now handled by Wtraditional-conversion.
193 * doc/invoke.texi (Wtraditional-conversion): New.
194 (Wconversion): Update description.
195 * doc/trouble.texi (Wconversion): Replace Wconversion by
196 Wtraditional-conversion.
198 2006-11-23 Andrew Pinski <pinskia@gmail.com>
200 * predict.c (tree_estimate_probability): Check to make
201 sure current_loops is non null before calling flow_loops_dump.
203 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
205 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
207 2006-11-23 David Ung <davidu@mips.com>
209 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
211 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
212 (ASM_SPEC): Pass along -mfp32 and -mfp64.
213 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
214 high part of FP register when in 64-bit FP register mode. Similarly
215 use gen_mfhc1 to load high part of FP register.
216 (override_options): Allow -mgp32 and -mfp64 combination if
217 ISA_HAS_MXHC1 (currently for O32 only).
218 (mips_cannot_change_mode_class): If floating-point registers are
219 bigger than word size. disallow conversion of float register from a
220 large integer mode to a float mode smaller than the float register
222 (mips_class_max_nregs): Handle float registers case seperately.
223 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
225 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
226 (movdf_hardfloat_32bit): Similarly.
227 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
228 support a full 64-bit fpu.
229 (mthc1): New pattern to generate MTHC1 instruction.
230 (mfhc1): New pattern to generate MFHC1 instruction.
231 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
232 option for the MIPS32R2 and mention its use under O32 ABI.
234 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
236 * var-tracking.c (emit_note_insn_var_location): Take care not to
237 cause verify_flow_info failures.
239 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
241 * tree-ssa-structalias.c: Remove edge weights in favor of just
242 processing them as complex constraints.
243 (struct constraint_graph): Remove weighted succs and preds. Rename
244 nonweighted succs and preds.
245 (constraint_edge): Removed.
246 (constraint_edge_t): Ditto.
247 (constraint_edge_pool): Ditto.
248 (new_constraint_edge): Ditto.
249 (constraint_edge_equal): Ditto.
250 (constraint_edge_less): Ditto.
251 (constraint_edge_vec_find): Ditto.
252 (erase_self_graph_edge): Ditto.
253 (add_graph_edge): Removed.
254 (get_graph_weights): Ditto.
255 (allocate_graph_weights): Ditto. (
256 (valid_weighted_graph_edge): Ditto
257 (bitmap_other_than_zero_bit_set): Ditto.
258 (int_add_graph_edge): Renamed to add_graph_edge.
259 (clear_edges_for_node): Remove support for weighted edges.
260 (merge_graph_nodes): Ditto.
261 (valid_graph_edge): Ditto.
262 (build_constraint_graph): Ditto.
264 (collapse_nodes): Ditto.
265 (process_unification_queue): Ditto.
267 (do_ds_constraint): Ditto.
268 (perform_var_subsitution): Ditto.
269 (solve_graph): Ditto.
270 (init_alias_vars): Ditto.
271 (delete_points_to_sets): Ditto.
272 (do_complex_constraint): Support offsetted copies here.
274 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
276 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
278 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
280 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
283 2006-11-23 Ben Elliston <bje@au.ibm.com>
285 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
287 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
289 PR tree-optimization/29921
290 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
291 signed and unsigned zero equal.
293 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
295 * config/rs6000/rs6000.c (get_store_dest): New.
296 (adjacent_mem_locations): Use get_store_dest() to get
297 the rtl of the store destination.
299 2006-11-22 Joseph Myers <joseph@codesourcery.com>
301 * config/rs6000/spe.md (SPE64): New mode macro.
302 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
304 (mov_si<mode>_e500_subreg0_2): New.
305 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
307 (mov_si<mode>_e500_subreg4_2): New.
308 * config/rs6000/predicates.md (input_operand): Do not allow
309 invalid E500 subregs.
310 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
312 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
313 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
314 involving vector modes if TARGET_SPE.
316 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
319 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
320 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
322 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
324 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
325 mem_i_address_operand): New predicates.
326 * config/bfin/bfin.c (bfin_issue_rate): New function.
327 (TARGET_SCHED_ISSUE_RATE): New macro.
328 * config/bfin/bfin.md (addrtype): New attribute.
329 (slot0, slot1, slot2, store, pregs): New cpu_units.
330 (core): Now a define_reservation.
331 (alu): Remove some insn types from this reservation.
332 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
334 (dummy reservation): Don't trigger for mcld insns.
335 (absence_sets): Two new absence sets to enforce slot ordering.
336 (popsi_insn): Set addrtype.
338 2006-11-22 Ira Rosen <irar@il.ibm.com>
340 * doc/c-tree.texi: Document new tree codes.
341 * doc/md.texi: Document new optabs.
342 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
344 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
345 * optabs.h (optab_index): Add new.
346 (vec_extract_even_optab, vec_extract_odd_optab,
347 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
348 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
349 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
351 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
352 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
353 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
354 along with macros for their access.
355 * tree-data-ref.h (first_location_in_loop, data_reference): Update
357 * tree-vect-analyze.c (toplev.h): Include.
358 (vect_determine_vectorization_factor): Fix indentation.
359 (vect_insert_into_interleaving_chain,
360 vect_update_interleaving_chain, vect_equal_offsets): New functions.
361 (vect_analyze_data_ref_dependence): Add argument for interleaving
362 check. Check for interleaving if it's true.
363 (vect_check_dependences): New function.
364 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
365 every ddr. Call vect_analyze_data_ref_dependence with new argument.
366 (vect_update_misalignment_for_peel): Update for interleaving.
367 (vect_verify_datarefs_alignment): Check only first data-ref for
369 (vect_enhance_data_refs_alignment): Update for interleaving. Check
370 only first data-ref for interleaving.
371 (vect_analyze_data_ref_access): Check interleaving, update
373 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
374 with different parameters.
375 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
376 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
377 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
378 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
379 Update step in case of interleaving.
380 (vect_strided_store_supported, vect_permute_store_chain): New
382 (vectorizable_store): Handle strided stores.
383 (vect_strided_load_supported, vect_permute_load_chain,
384 vect_transform_strided_load): New functions.
385 (vectorizable_load): Handle strided loads.
386 (vect_transform_stmt): Add argument. Handle strided stores. Check
387 that vectorized stmt exists for patterns.
388 (vect_gen_niters_for_prolog_loop): Update calculation for
390 (vect_transform_loop): Remove stmt_vec_info for strided stores after
391 whole chain vectorization.
392 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
393 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
394 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
395 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
396 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
398 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
400 * cse.c (enum taken): Remove PATH_AROUND.
401 (addr_affects_sp_p, invalidate_skipped_set,
402 invalidate_skipped_block): Remove.
403 (cse_end_of_basic_block): Remove skip_blocks and related code.
404 (cse_main): Don't test for flag_cse_skip_blocks.
405 Update cse_end_of_basic_block call.
406 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
407 code to lengthen the path if a jump was simplified.
409 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
411 PR rtl-optimization/29924
412 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
413 (unroll_loop_runtime_iterations): Assert that the argument passed to
414 split_edge_and_insert is not NULL.
415 * loop-doloop.c (add_test): Ditto.
417 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
419 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
421 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
422 * cfgloopmanip.c (update_single_exits_after_duplication,
423 update_single_exit_for_duplicated_loop, loop_version): Ditto.
424 * tree-scalar-evolution.c (get_loop_exit_condition,
425 get_exit_conditions_rec, loop_closed_phi_def,
426 number_of_iterations_in_loop, scev_const_prop): Ditto.
427 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
428 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
430 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
432 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
433 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
434 slpeel_make_loop_iterate_ntimes,
435 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
436 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
438 * tree-if-conv.c (if_convertible_loop_p): Ditto.
439 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
440 vect_analyze_loop_form): Ditto.
441 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
442 can_convert_to_perfect_nest, perfect_nestify): Ditto.
443 * tree-vect-transform.c (vect_create_epilog_for_reduction,
444 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
445 vect_transform_loop): Ditto.
446 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
447 (single_exit, set_single_exit): New functions.
448 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
449 (single_exit, set_single_exit): Declare.
450 * doc/loop.texi: Undocument single_exit field. Document single_exit
453 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
455 PR tree-optimization/29902
456 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
457 any involved ssa name appears in abnormal phi node.
459 2006-11-21 Bob Wilson <bob.wilson@acm.org>
461 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
462 (xtensa_const_ok_for_letter_p): Delete.
463 (xtensa_extra_constraint): Delete.
464 (override_options): Delete xtensa_char_to_class initialization.
465 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
466 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
467 (EXTRA_CONSTRAINT): Delete.
468 * config/xtensa/xtensa.md: Include constraints.md.
469 (call_internal): Combine alternatives.
470 (call_value_internal): Likewise, and remove invalid constraints.
471 * config/xtensa/constraints.md: New file.
472 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
473 (xtensa_extra_constraint): Delete.
474 * doc/md.texi (Machine Constraints): Refer to constraints.md for
477 2006-11-21 Janis Johnson <janis187@us.ibm.com>
479 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
480 of conversion that doesn't fit.
482 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
483 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
484 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
486 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
488 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
490 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
492 2006-11-21 Richard Guenther <rguenther@suse.de>
494 * tree-vectorizer.h (NUM_PATTERNS): Increase.
495 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
496 vect_recog_pow_pattern.
497 (vect_recog_pow_pattern): New function.
499 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
501 * config/bfin/bfin.opt (mstack-check-l1): New.
502 * doc/invoke.texi (Blackfin Options): Document it.
503 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
504 stack bounds in L1 memory if the new option is enabled.
505 (override_options): Don't allow combinations of -fstack-limit and
507 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
510 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
512 (bfin_register_move_cost): Bump costs if trying to move plain
513 integer values through accumulators.
515 2006-11-21 Ben Elliston <bje@au.ibm.com>
517 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
519 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
520 Russell Olsen <Russell_Olsen@playstation.sony.com>
521 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
522 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
523 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
524 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
525 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
527 * config.gcc: Add target for SPU.
528 * config/spu/constraints.md: New file.
529 * config/spu/crt0.c: New file.
530 * config/spu/crtend.c: New file.
531 * config/spu/crti.asm: New file.
532 * config/spu/crtn.asm: New file.
533 * config/spu/float_unsdidf.c: New file.
534 * config/spu/float_unssidf.c: New file.
535 * config/spu/predicates.md: New file.
536 * config/spu/spu-builtins.def: New file.
537 * config/spu/spu-builtins.h: New file.
538 * config/spu/spu-builtins.md: New file.
539 * config/spu/spu-c.c: New file.
540 * config/spu/spu-elf.h: New file.
541 * config/spu/spu-modes.def: New file.
542 * config/spu/spu-protos.h: New file.
543 * config/spu/spu.c: New file.
544 * config/spu/spu.h: New file.
545 * config/spu/spu.md: New file.
546 * config/spu/spu.opt: New file.
547 * config/spu/spu_internals.h: New file.
548 * config/spu/spu_intrinsics.h: New file.
549 * config/spu/spu_mfcio.h: New file.
550 * config/spu/t-spu-elf: New file.
551 * config/spu/vec_types.h: New file.
552 * config/spu/vmx2spu.h: New file.
553 * doc/contrib.texi: Document SPU contributor.
554 * doc/extend.texi: Document SPU extensions.
555 * doc/invoke.texi: Document SPU options.
556 * doc/md.texi: Document SPU constraints.
558 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
560 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
562 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
564 (flow_loop_dump): Do not dump loop level.
565 (flow_loops_find): Do not call flow_loops_level_compute.
566 * cfgloop.h (struct loop): Remove level field.
568 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
570 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
571 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
572 Use vector of edges instead of array.
573 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
574 estimate_numbers_of_iterations_loop): Ditto.
575 * predict.c (predict_loops): Ditto.
576 * loop-unroll.c (analyze_insns_in_loop): Ditto.
577 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
579 * basic-block.h: Declare heap allocation for edge vectors.
580 * tree-outof-ssa.c: Ditto.
581 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
582 * cfgloop.h (get_loop_exit_edges): Declaration changed.
584 2006-11-20 Zack Weinberg <zackw@panix.com>
586 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
587 Add another out parameter, "skip".
588 (set_gc_used_type): Adjust calls to process_gc_options. If a field
589 is tagged "skip", do not mark its type used.
591 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
594 * tree-sra.c (single_scalar_field_in_record_p): New function.
595 (decide_block_copy): Use it.
597 2006-11-20 David Daney <ddaney@avtrex.com>
599 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
600 PC to point to following instruction.
602 2006-11-20 Anatoly Sokolov <aesok@post.ru>
606 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
608 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
610 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
612 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
613 Add sh/superh.h to tm_file.
615 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
616 Mark Mitchell <mark@codesourcery.com>
618 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
620 (cpp_relocated): New function.
621 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
623 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
624 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
625 replace configured prefix with gcc_exec_prefix.
627 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
629 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
630 bfin_legitimate_constant_p.
631 * config/bfin/bfin.md (movsi expander): Check return value of
633 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
634 (expand_move): Adjust prototype.
635 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
636 invalid constants specially.
637 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
639 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
641 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
642 sibcall_value_symbol): Allow these patterns if
643 TARGET_LEAF_ID_SHARED_LIBRARY.
644 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
645 (override_options): Turn on id shared library flags if -msep-data,
646 but disallow the combination of these options on the command line.
647 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
648 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
649 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
651 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
652 * doc/invoke.texi (Blackfin Options): Document new switches.
654 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
655 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
657 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
658 inflate costs for addresses with an out-of-bounds address.
660 2006-11-19 Andrew Pinski <pinskia@gmail.com>
663 * fwprop.c (loops): Remove.
664 (forward_propagate_into): Use current_loops instead of
666 (fwprop_init): Call loop_optimizer_init instead of
668 (fwprop_done): Call loop_optimizer_finalize instead of
670 (fwprop): Use current_loops instead of loops.
672 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
675 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
677 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
680 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
681 larger than BITS_PER_WORD.
683 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
687 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
688 to MAX_FIXED_MODE_SIZE.
690 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
692 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
693 (fold_builtin_fmin_fmax): New.
694 (fold_builtin_1): Use it.
696 * fold-const.c (fold_strip_sign_ops): Handle copysign.
698 2006-11-18 Richard Guenther <rguenther@suse.de>
700 * config/i386/i386.c (ix86_builtins): New array for ix86
701 builtin function decls.
702 (def_builtin): New function.
703 (def_builtin_const): Likewise.
704 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
706 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
708 * doc/invoke.texi (core2): Add item.
710 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
712 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
713 (TARGET_CPU_DEFAULT_generic): Change value.
714 (TARGET_CPU_DEFAULT_NAMES): Add core2.
715 (processor_type): Add new constant PROCESSOR_CORE2.
717 * config/i386/i386.md (cpu): Add core2.
719 * config/i386/i386.c (core2_cost): New initialized variable.
720 (m_CORE2): New macro.
721 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
722 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
723 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
724 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
725 x86_partial_reg_dependency, x86_memory_mismatch_stall,
726 x86_accumulate_outgoing_args, x86_prologue_using_move,
727 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
728 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
729 x86_use_incdec, x86_four_jump_limit, x86_schedule,
730 x86_pad_returns): Add m_CORE2.
731 (override_options): Add entries for Core2.
732 (ix86_issue_rate): Add case for Core2.
734 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
736 * doc/invoke.texi: Fix mno-isel typo.
738 2006-11-18 Joseph Myers <joseph@codesourcery.com>
740 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
741 easy vector constant loads.
743 2006-11-18 Joseph Myers <joseph@codesourcery.com>
745 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
746 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
747 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
748 * config/rs6000/sync.md (lwsync): Emit plain sync if
751 2006-11-17 DJ Delorie <dj@redhat.com>
753 * reload1.c (reloads_unique_chain): New.
754 (reloads_conflict): Call it.
756 2006-11-17 Bob Wilson <bob.wilson@acm.org>
758 * config/xtensa/predicates.md (addsubx_operand): New.
759 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
760 (xtensa_emit_bit_branch): New.
761 (xtensa_emit_movcc): New.
762 * config/xtensa/xtensa.md (any_minmax): New code macro.
763 (minmax): New code attribute.
764 (any_cond, any_scc, any_scc_sf): New code macros.
765 (*addx2, *addx4, *addx8): Delete.
767 (*subx2, *subx4, *subx8): Delete.
769 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
770 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
771 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
772 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
773 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
774 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
775 (movsfcc_internal0, movsfcc_internal1): Likewise.
776 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
777 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
778 (xtensa_emit_bit_branch): New.
779 (xtensa_emit_movcc): New.
780 (function_arg_boundary): Add missing prototype.
782 2006-11-17 Bob Wilson <bob.wilson@acm.org>
784 * config/xtensa/xtensa.md (tstsi): Delete
786 2006-11-17 Bob Wilson <bob.wilson@acm.org>
788 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
790 2006-11-17 Bob Wilson <bob.wilson@acm.org>
792 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
794 2006-11-17 Bob Wilson <bob.wilson@acm.org>
796 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
798 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
800 * tree-vrp.c (execute_vrp): Do not update current_loops.
801 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
802 * doc/loop.texi: Remove documentation for cancelled functions.
803 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
804 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
806 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
807 (remove_path): Ensure that in delete_basic_blocks, the loops
809 (add_loop): Work on valid loop structures.
810 (loopify): Modify call of add_loop.
811 (mfb_update_loops): Removed.
812 (create_preheader): Do not update loops explicitly.
813 (force_single_succ_latches, loop_version): Do not use
814 loop_split_edge_with.
815 (loop_split_edge_with): Removed.
816 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
817 Do not use bsi_insert_on_edge_immediate_loop.
818 (split_loop_exit_edge, tree_unroll_loop): Do not use
819 loop_split_edge_with.
820 (bsi_insert_on_edge_immediate_loop): Removed.
821 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
822 use loop_split_edge_with.
823 * cfghooks.c: Include cfgloop.h.
824 (verify_flow_info): Verify that loop_father is filled iff current_loops
826 (redirect_edge_and_branch_force, split_block, delete_basic_block,
827 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
829 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
831 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
832 loop_split_edge_with.
833 (sms_schedule): Use current_loops.
834 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
835 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
837 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
838 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
839 * ifcvt.c (if_convert): Ditto.
840 * predict.c (predict_loops): Do not clear current_loops.
841 (tree_estimate_probability): Use current_loops.
842 (propagate_freq): Receive head of the region to propagate instead of
844 (estimate_loops_at_level): Do not use shared to_visit bitmap.
845 (estimate_loops): New function. Handle case current_loops == NULL.
846 (estimate_bb_frequencies): Do not allocate tovisit. Use
848 * tree-ssa-loop.c (current_loops): Removed.
849 (tree_loop_optimizer_init): Do not return loops.
850 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
851 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
852 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
853 Do not update loops explicitly.
854 * function.h (struct function): Add x_current_loops field.
855 (current_loops): New macro.
856 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
857 * loop-unroll.c (split_edge_and_insert): New function.
858 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
859 use loop_split_edge_with.
860 * loop-doloop.c (add_test, doloop_modify): Ditto.
861 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
862 * cfglayout.c (copy_bbs): Do not update loops explicitly.
863 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
864 * tree-vect-transform.c (vect_transform_loop): Do not update loops
866 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
867 (flow_loops_free): Do not free dfs_order and rc_order.
868 (flow_loops_find): Do not set dfs_order and rc_order in loops
869 structure. Do not call loops and flow info verification.
870 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
871 already belongs to some loop.
872 * cfgloop.h (struct loops): Remove struct cfg.
873 (current_loops, loop_split_edge_with): Declaration removed.
874 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
875 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
877 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
878 * basic-block.h (split_edge_and_insert): Declare.
879 * tree-cfg.c (remove_bb): Do not update loops explicitly.
881 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
883 PR tree-optimization/29801
884 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
885 (get_default_value): Use get_symbol_constant_value.
886 (set_lattice_value): ICE when the value of the constant is
888 (visit_assignment): Ignore VDEFs of read-only variables.
890 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
892 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
894 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
895 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
897 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
899 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
900 select subvars of var.
902 2006-11-17 Jakub Jelinek <jakub@redhat.com>
905 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
906 optimize if DEF doesn't have integral type.
908 2006-11-16 Mike Stump <mrs@apple.com>
910 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
911 pre-darwin9 system, unless the user asks for it directly.
912 (PREFERRED_DEBUGGING_TYPE): Likewise.
913 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
914 * config.gcc: Add suppport for darwin9.h.
915 * config/darwin9.h: Add.
916 * doc/install.texi (Specific): Clarify darwin documentation.
918 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
920 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
923 2006-11-16 Mike Stump <mrs@apple.com>
925 * Makefile.in (targhooks.o): Add $(OPTABS_H).
927 2006-11-16 Dirk Mueller <dmueller@suse.de>
929 * tree-vrp.c (get_value_range): Use XCNEW instead
931 (insert_range_assertions): Use XCNEWVEC instead
932 of XNEWVEC and memset.
933 (vrp_initialize): Same.
934 (vrp_finalize): Same.
935 * tree-ssa-ccp.c (ccp_initialize): Same.
936 * predict.c (tree_bb_level_predictions): Same.
937 * calls.c (expand_call): Same.
938 * tree-ssa-copy.c (init_copy_prop): Same.
939 (fini_copy_prop): Same.
940 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
941 of GGC_NEW and memset.
943 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
946 * gimplify.c (gimplify_expr): Only force a load for references to
947 non-BLKmode volatile values.
948 * doc/implement-c.texi (Qualifiers implementation): Document the
949 interpretation of what a volatile access is.
950 * doc/extend.texi (C++ Extensions): Rework same documentation.
952 2006-11-16 Joseph Myers <joseph@codesourcery.com>
954 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
957 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
959 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
961 (arm_neg_abssi2): Renamed from neg_abssi2.
962 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
964 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
966 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
967 number of arguments passed to local functions in SSE registers is 3.
969 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
970 number of arguments passed in SSE registers to 3.
972 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
975 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
977 (get_last_bb_insn): ... new global function.
978 (basic_block.h): Declare it.
979 * haifa-sched.c (create_recovery_block): Use it.
981 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
984 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
986 2006-11-15 Paul Brook <paul@codesourcery.com>
988 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
989 _Unwind_GetTextRelBase): Move from here ...
990 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
991 _Unwind_GetTextRelBase): ... To here.
993 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
995 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
996 addresses we generate for testing are aligned.
998 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1001 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1002 to what is the const decl is a place holder for.
1004 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1006 * config/i386/i386.opt: New target option -mx87regparm.
1008 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1009 and float_in_x87 variables. mmx_words, sse_words: Remove.
1010 (X87_REGPARM_MAX): Define.
1012 * config/i386/i386.c (override_options): Error out for
1013 -mx87regparm but no 80387 support.
1014 (ix86_attribute_table): Add x87regparm.
1015 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1016 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1017 (ix86_function_x87regparm): New function.
1018 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1020 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1022 (function_arg_advance): Process x87_nregs and x87_regno when
1023 floating point argument is to be passed in 80387 register.
1024 (function_arg): Pass XFmode arguments in 80387 registers for local
1025 functions. Pass SFmode and DFmode arguments to local functions
1026 in 80387 registers when flag_unsafe_math_optimizations is set.
1028 * reg-stack.c (convert_regs_entry): Disable NaN load for
1029 stack registers that are used for argument passing.
1031 * doc/extend.texi: Document x87regparm function attribute.
1032 * doc/invoke.texi: Document -mx87regparm.
1034 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1036 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1037 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1038 arg MODE; all callers changed. Use it to determine validity per
1039 machine mode instead of using Pmode for all memory references.
1040 (get_address_cost): Likewise add and use new arg MEM_MODE.
1042 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1043 J"orn Rennecke <joern.rennecke@st.com>
1045 * combine.c (likely_spilled_retval_1): Fix masking operation.
1046 (likely_spilled_retval_p): Use proper pattern for call to
1047 likely_spilled_retval_1.
1049 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1051 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1053 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1054 that tests for CONSTANT_POOL_ADDRESS_P.
1056 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1058 PR tree-optimization/29581
1059 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1060 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1061 type is different between Y and USE, create a temporary
1062 variable, initialize it at the beginning of the body bb
1063 and use it as replacement instead of Y.
1065 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1068 * gimplify.c (fold_indirect_ref_rhs): Use
1069 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1071 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1073 * expmed.c (emit_store_flag_1): New function.
1074 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1076 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1077 Use do_compare_rtx_and_jump.
1078 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1079 * arm.md (cstoresi4): New define_expand.
1080 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1081 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1082 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1084 2006-11-14 Caroline Tice <ctice@apple.com>
1086 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1087 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1089 (pubname_table): Redefine as a vector.
1090 (pubtype_table): New static global variable, defined as a vector.
1091 (pubname_table_allocated): Remove static global variable.
1092 (pubname_table_in_use): Remove static global variable.
1093 (PUBNAME_TABLE_INCREMENT): Remove constant.
1094 (size_of_pubnames): Add parameter to deal with either pubnames or
1095 pubtypes, and change code to deal with table being a vector.
1096 (add_pubname): Change to deal with table being a vector.
1097 (add_pubtype): New function.
1098 (output_pubnames): Add parameter to deal with either pubnames or
1099 pubtypes, and change code to deal with table being a vector.
1100 (gen_array_type_die): Add call to add_pubtype.
1101 (gen_enumeration_type_die): Add call to add_pubtype.
1102 (gen_struct_or_union_type_die): Add call to add_pubtype.
1103 (gen_subroutine_type_die): Add call to add_pubtype.
1104 (gen_typedef_die): Add call to add_pubtype.
1105 (dwarf2out_init): Add code to initialize pubname_table and
1106 pubtype_table vectors; also initialize debug_pubtypes_section.
1107 (prune_unused_types): Change to deal with pubnames being a vector.
1108 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1109 pubnames table to call to output_pubnames; Add code to output pubtypes
1110 table if DEBUG_PUBTYPES_SECTION is defined.
1111 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1113 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1115 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1117 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1118 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1119 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1120 movv2si_internal): Support moves between core registers.
1122 2006-11-14 Eric Christopher <echristo@apple.com>
1124 * configure: Regenerate with autoconf 2.59.
1126 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1128 Fix PR tree-optimization/27755
1130 * tree-ssa-pre.c: Update comments.
1131 (bb_bitmap_sets): Add pa_in and deferred member.
1132 (BB_DEFERRED): New macro.
1133 (maximal_set): New variable.
1134 (pre_stats): Add pa_insert member.
1135 (bitmap_set_and): Short circuit orig == dest.
1136 (bitmap_set_subtract_values): New function.
1137 (bitmap_set_contains_expr): Ditto.
1138 (translate_vuses_through_block): Add phiblock argument.
1139 (dependent_clean): New function.
1140 (compute_antic_aux): Update for maximal_set changes.
1141 (compute_partial_antic_aux): New function.
1142 (compute_antic): Handle partial anticipation.
1143 (do_partial_partial_insertion): New function.
1144 (insert_aux): Handle partial anticipation.
1145 (add_to_sets): Add to maximal set.
1146 (compute_avail): Ditto.
1147 (init_pre): Initialize maximal_set.
1148 (execute_pre): Do partial anticipation if -O3+.
1150 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1152 PR rtl-optimization/29798
1154 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1155 TARGET_INSN before any other check.
1156 (fwprop_init): Always calculate dominators.
1157 (fwprop_done): Always free them.
1159 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1161 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1164 2006-11-13 DJ Delorie <dj@redhat.com>
1166 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1167 temporary for intermediates.
1169 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1171 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1172 (sh_optimize_target_register_callee_saved): #if 0 the code
1173 using NOTE_INSN_LOOP_{BEG,END}.
1175 2006-11-13 Roger Sayle <roger@eyesopen.com>
1177 * fold-const.c (optimize_bit_field_compare): Recursively call
1178 fold when simplifying non-constant comparisons between bit-fields.
1180 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1182 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1184 * configure: Rebuilt.
1186 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1188 * config/rs6000/cell.md: New file.
1189 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1191 (ppccell_cost): New cost matrix.
1192 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1193 (rs6000_override_options): Set rs6000_always_hint to false
1194 for cell. Also align functions/lables/loops to 8byte
1195 for the Cell. Use PROCESSOR_CELL.
1196 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1197 using_mtcr_multiple.
1198 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1199 on the Cell, return 0.
1200 (rs6000_adjust_cost): Add Cell cost adjustments.
1201 (is_microcoded_insn): Return true for Cell microcoded
1203 (is_nonpipeline_insn): New function.
1204 (rs6000_issue_rate): Add PROCESSOR_CELL.
1205 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1207 (rs6000_use_sched_lookahead_guard): New function.
1208 (rs6000_sched_reorder): Reorder the ready list, if the second
1209 to last ready insn is a nonepipeline insn on the Cell.
1210 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1211 (ASM_CPU_SPEC): Add Cell.
1212 * config/rs6000/rs6000.md (cpu): Add Cell.
1213 (cell_micro): New Attr.
1216 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1218 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1220 * configure: Rebuilt.
1222 2006-11-13 Richard Guenther <rguenther@suse.de>
1224 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1226 (ix86_expand_lfloorceil): Likewise.
1227 (ix86_expand_rint): Likewise.
1228 (ix86_expand_floorceildf_32): Likewise.
1229 (ix86_expand_floorceil): Likewise.
1230 (ix86_expand_rounddf_32): Likewise.
1231 (ix86_expand_truncdf_32): Likewise.
1232 (ix86_expand_round): Likewise.
1234 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1235 Mark Mitchell <mark@codesourcery.com>
1237 * gcc.c: Organize search path variables into $prefix relative,
1238 and well-known native. Add comments.
1239 (add_sysrooted_prefix): Add comment.
1240 (process_command): If !gcc_exec_prefix add $prefix based paths.
1241 If *cross_compile == '0', add native well-known paths.
1242 Assert tooldir_base_prefix is always relative.
1243 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1244 use this value for 'install:' path.
1245 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1247 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1249 * config/i386/i386.c: Fix a typo in comment.
1251 2006-11-13 Michael Matz <matz@suse.de>
1253 * genemit.c (gen_expand): Allocate enough memory.
1255 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1257 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1258 __GXX_TYPEINFO_EQUALITY_INLINE but not
1259 __GXX_MERGED_TYPEINFO_NAMES.
1260 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1261 __GXX_MERGED_TYPEINFO_NAMES.
1262 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1263 __GXX_TYPEINFO_EQUALITY_INLINE.
1265 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1266 Zdenek Dvorak <dvorakz@suse.cz>
1268 PR tree-optimization/29680
1269 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1272 2006-11-12 Jason Merrill <jason@redhat.com>
1273 Andrew Pinski <pinskia@physics.uc.edu>
1276 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1278 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1280 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1281 * tree.c (build_vector): Handle non-_CST elements.
1283 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1285 * genemit.c (gen_insn): Call gen_exp with a non-null used
1286 when handling multiple insns.
1287 (gen_expand): Likewise.
1288 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1289 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1290 (movsi_const_16bit+1): Copy operands[1].
1291 (call_pcrel): Copy the call_site pattern.
1292 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1294 2006-11-12 Roger Sayle <roger@eyesopen.com>
1296 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1297 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1298 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1299 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1301 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1303 Fix PR tree-optimization/29587
1304 * tree-ssa-structalias.c (process_constraint): Don't
1305 mark address taken due only to escaped vars constraint.
1307 2006-11-12 Michael Matz <matz@suse.de>
1308 Roger Sayle <roger@eyesopen.com>
1310 PR rtl-optimization/29797
1311 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1312 BITS_BIG_ENDIAN targets.
1314 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1316 * builtins.c (fold_builtin_cosh): New.
1317 (fold_builtin_1): Use it.
1318 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1319 trunc to the list of "odd" functions. Also add llrint, lrint,
1320 rint and nearbyint when flag_rounding_math is false.
1322 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1324 * tree-flow.h (name_mappings_registered_p): Declare.
1325 * tree-into-ssa.c (name_mappings_registered_p): New function.
1326 * tree-cfg.c (tree_can_merge_blocks_p): Check
1327 name_mappings_registered_p instead of need_ssa_update_p.
1329 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1331 * tree-ssa-loop.c (tree_vectorize): Return the result of
1333 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1334 if anything changed.
1335 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1336 * tree-flow.h (vectorize_loops): Declaration changed.
1338 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1340 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1342 (issue_prefetch_ref): Move assignment to write_p out of loop.
1343 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1344 SIMULTANEOUS_PREFETCHES into account.
1345 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1346 * lambda-code.c (lcm): Renamed to ...
1347 (least_common_multiple): ... and exported.
1348 * tree-flow.h (least_common_multiple): Declare.
1350 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1352 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1353 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1354 ud-chains. Handle AND_EXPR.
1355 (record_estimate): Record whether the estimate is realistic
1356 and whether it is derived from a loop exit.
1357 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1358 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1360 (compute_estimated_nb_iterations): Take only realistic bounds into
1361 account. Set estimate_state. Use double_ints.
1362 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1363 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1364 that do not have to be always executed.
1365 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1366 to determine whether to call infer_loop_bounds_from_undefined
1367 and compute_estimated_nb_iterations.
1368 (n_of_executions_at_most): Use double_ints.
1369 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1370 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1371 * double-int.c (double_int_to_tree): Improve comment.
1372 (double_int_fits_to_tree_p): New function.
1373 * double-int.h (double_int_fits_to_tree_p): Declare.
1374 * tree-data-ref.c: Include langhooks.h.
1375 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1376 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1377 (analyze_array): Do not pass estimate_only argument to
1378 analyze_array_indexes.
1379 (get_number_of_iters_for_loop): Build tree from the stored double_int
1381 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1382 (find_data_references_in_loop): Use find_data_references_in_stmt.
1383 * tree-data-ref.h (struct data_ref_loc_d): New.
1384 (get_references_in_stmt): Declare.
1385 (estimate_iters_using_array): Declaration removed.
1386 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1387 double_int. Improve comments. Add is_exit and realistic
1389 (struct loop): Changed type of estimated_nb_iterations to double_int.
1390 Added estimate_state field.
1391 (record_estimate): Declaration removed.
1393 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1395 * params.c (set_param_value): Initialize the "set" field.
1396 * params.h (struct param_info): Add "set" field.
1397 (PARAM_SET_P): New macro.
1398 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1399 L1_CACHE_LINE_SIZE): New macros.
1400 * toplev.c (DEFPARAM): Initialize the "set" field.
1401 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1402 SIMULTANEOUS_PREFETCHES): Removed.
1403 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1404 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1405 * config/sparc/sparc.c: Include params.h.
1406 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1407 L1_CACHE_LINE_SIZE parameters.
1408 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1410 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1412 * config/i386/i386.c: Include params.h.
1413 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1414 (override_options): Set SIMULTANEOUS_PREFETCHES and
1415 L1_CACHE_LINE_SIZE parameters.
1416 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1417 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1418 L1_CACHE_LINE_SIZE parameters.
1419 * config/ia64/ia64.c (ia64_optimization_options): Set
1420 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1421 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1423 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1424 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1425 * doc/invoke.texi: Document new params.
1427 2006-11-12 Roger Sayle <roger@eyesopen.com>
1429 PR tree-optimization/13827
1430 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1433 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1435 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1436 update_single_exit_for_duplicated_loops): New functions.
1437 (duplicate_loop_to_header_edge): Use
1438 update_single_exit_for_duplicated_loops.
1439 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1440 functions only with ENABLE_CHECKING.
1442 2006-11-12 Andreas Schwab <schwab@suse.de>
1444 * except.c (sjlj_emit_function_enter): Remove unused variable.
1446 2006-11-11 Roger Sayle <roger@eyesopen.com>
1448 * fold-const.c (int_binop_types_match_p): New function.
1449 (size_binop): Relax constraint that both arguments must both have
1450 exactly the same sizetype type. Instead use int_binop_types_match_p.
1451 (size_diffop): Likewise.
1453 (make_range): Use build_int_cst instead of fold_convert.
1454 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1455 integer constants of the correct type.
1456 (fold_div_compare): Likewise.
1457 (fold_single_bit_test): Likewise.
1458 (fold_binary): Likewise.
1459 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1460 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1462 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1465 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1466 non null value if the struct memory access is in the 0th
1469 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1472 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1473 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1476 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1477 instead of builtin_define for bfin and BFIN.
1479 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1481 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1484 2006-11-11 Jan Hubicka <jh@suse.cz>
1486 * extend.texi (__builtin_expect): We no longer require second argument
1488 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1489 * builtins.c (expand_builtin_expect): Simplify.
1490 (expand_builtin_expect_jump): Kill.
1491 * final.c (final_scan_insn): Do not skip the removed notes.
1492 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1493 EXPECTED_VALUE): Remove.
1494 * dojump.c (do_jump): Do not care about __builtin_expect.
1495 * predict.c (expected_value_to_br_prob): Kill.
1496 * function.c (expand_function_end): Do not expand
1497 NOTE_INSN_REPEATED_LINE_NUMBER.
1498 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1499 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1500 * cfgexpand.c (add_reg_br_prob_note): Export.
1501 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1502 expected_value_to_br_prob.
1503 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1504 * rtl.h (add_reg_br_prob_note): Declare.
1506 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1508 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1510 2006-11-11 Jan Hubicka <jh@suse.cz>
1512 * predict.c (predict_loops): Kill RTL variant.
1514 2006-11-11 Jan Hubicka <jh@suse.cz>
1516 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1517 * modulo-sched.c (find_line_note): Remove.
1518 (loop_canon_p): Do not worry about line number notes.
1519 (sms_schedule): Likewise.
1520 * cse.c (cse_main): Likewise.
1521 * regmove.c (fixup_match_1): Likewise
1522 * function.c (emit_return_info_block): Likewise.
1523 (expand_function_end): Likewise.
1524 (thread_prologue_an_epilogue_insns): Likewise.
1525 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1527 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1528 emit_note_copy_after): Kill.
1529 (emit_note_copy): Do not worry about line numbers.
1530 * jump.c (purge_line_number_notes): Kill.
1531 (pass_purge_lineno_notes): Kill.
1532 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1534 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1535 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1536 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1537 * tree-pass.h (pass_purge_lineno_notes): Kill.
1538 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1539 rm_redundant_line_notes.
1540 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1541 rm_redundant_line_notes.
1542 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1543 * haifa-sched.c: Update comment about handling notes.
1544 (unlink_line_notes): Kill.
1545 (rm_line_notes): Kill.
1546 (save_line_notes): Simplify.
1547 (rm_redundant_line_notes): Kill.
1549 2006-11-11 Richard Guenther <rguenther@suse.de>
1551 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1552 Remove unused tree codes.
1553 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1554 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1555 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1556 * tree.c (stabilize_reference): Likewise.
1557 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1558 fold_unary): Likewise.
1559 * tree-gimple.c (is_gimple_cast): Likewise.
1560 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1561 * expr.c (expand_expr_real_1): Likewise.
1562 * tree-eh.c (tree_could_trap_p): Likewise.
1563 * gimplify.c (gimplify_expr): Likewise.
1564 * tree-inline.c (estimate_num_insns_1): Likewise.
1565 * tree-cfg.c (verify_expr): Likewise.
1567 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1569 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1570 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1571 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1573 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1576 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1577 constraints accept neither registers or memories.
1579 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1581 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1582 (NO_PROFILE_COUNTERS): Define as 1.
1584 2006-11-10 Roger Sayle <roger@eyesopen.com>
1586 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1587 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1589 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1591 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1593 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1595 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1596 (fold_builtin_hypot): Likewise.
1597 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1599 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1601 2006-11-10 Roger Sayle <roger@eyesopen.com>
1603 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1604 when attempting to build INTEGER_CSTs of non-integral types.
1605 * expmed.c (make_tree): Use the correct type, i.e. the inner
1606 type, when constructing the individual elements of a CONST_VECTOR.
1608 2006-11-10 Jan Hubicka <jh@suse.cz>
1610 * cse.c (cse_process_notes): Copy the propagated value.
1611 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1613 * gcse.c (try_replace_reg): Copy the replacement.
1614 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1615 (assign_386_stack_local): Always return copied memory expression
1616 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1619 2006-11-10 Jan Hubicka <jh@suse.cz>
1621 * final.c (final): Walk from first instruction.
1622 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1624 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1627 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1629 (umulv8hi3_highpart): Ditto.
1630 (vec_widen_smult_hi_v8hi): New expander.
1631 (vec_widen_smult_lo_v8hi): Ditto.
1633 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1636 * builtins.c (do_mpfr_arg3): New.
1637 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1639 2006-11-09 Eric Christopher <echristo@apple.com>
1644 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1645 * config.gcc (powerpc64-*-darwin*): New target.
1646 * config.host: Ditto.
1647 * config/rs6000/darwin64.h: New file.
1648 * config/rs6000/x-darwin64: Ditto.
1649 * config/rs6000/host-ppc64-darwin.c: Ditto.
1651 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1653 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1654 routines for integer division.
1656 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1658 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1660 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1663 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1665 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1667 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1668 simplify_subreg with BLKmode outer mode.
1670 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1672 * doc/invoke.texi: Minor formatting fixes in option lists.
1674 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1676 PR tree-optimization/29738
1677 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1678 (ccp_lattice_t): Remove UNKNOWN_VAL.
1679 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1680 Do not handle UNKNOWN_VAL.
1681 (get_default_value): Set initial value of virtual operands to
1683 (get_value): Always use get_default_value on uninitialized
1685 (set_value_varying, surely_varying_stmt_p): New functions.
1686 (set_lattice_value): Do not pass argument to get_value.
1687 Do not handle UNKNOWN_VAL.
1688 (likely_value): Follow the semantics described in the comment.
1689 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1690 phi nodes DONT_SIMULATE_AGAIN.
1691 (ccp_fold): Do not pass argument to get_value.
1692 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1695 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1697 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1698 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1700 2006-11-08 Roger Sayle <roger@eyesopen.com>
1702 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1703 test for inclusion rather than as a test for exclusion.
1704 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1705 the condition after calling fold_binary.
1706 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1707 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1708 * builtins.c (fold_builtin_isascii): Likewise.
1709 (fold_builtin_isdigit): Likewise.
1711 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1713 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1714 * configure: Regenerate.
1716 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1718 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1719 enum argument instead of bool.
1720 (vect_analyze_operations): Call vectorizable_type_promotion.
1721 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1722 stmt_vec_info_type value.
1723 (supportable_widening_operation, vectorizable_type_promotion): New
1724 function declarations.
1725 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1726 (vectorizable_type_promotion): New function.
1727 (vect_transform_stmt): Call vectorizable_type_promotion.
1728 * tree-vect-analyze.c (supportable_widening_operation): New function.
1729 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1731 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1734 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1735 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1736 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1738 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1739 * expr.c (expand_expr_real_1): Likewise.
1740 * optabs.c (optab_for_tree_code): Likewise.
1741 (init_optabs): Initialize new optabs.
1742 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1743 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1744 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1745 vec_unpacku_lo_optab): Initialize new optabs.
1746 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1747 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1748 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1750 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1751 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1752 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1753 (vec_unpacku_lo_optab): New optabs.
1754 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1755 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1756 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1757 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1758 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1759 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1761 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1762 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1763 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1764 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1765 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1766 implement the unsigned unpacking patterns.
1767 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1768 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1769 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1770 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1771 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1772 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1773 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1774 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1775 multiplication patterns.
1777 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1778 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1779 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1780 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1781 (rs6000_builtin_mul_widen_odd): New.
1782 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1783 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1784 * tree-vectorizer.h (enum vect_relevant): New enum type.
1785 (_stmt_vec_info): Field relevant chaned from bool to enum
1787 (STMT_VINFO_RELEVANT_P): Updated.
1788 (STMT_VINFO_RELEVANT): New.
1789 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1790 instead of STMT_VINFO_RELEVANT_P.
1791 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1792 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1793 and boolean variable with enum vect_relevant.
1794 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1795 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1796 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1798 2006-11-08 Richard Henderson <rth@redhat.com>
1800 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1801 vec_widen_umult_lo_v8hi): New.
1802 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1803 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1805 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1806 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1807 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1808 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1809 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1810 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1811 vec_unpacks_lo_v4si): New.
1813 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1815 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1816 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1817 (vect_analyze_operations): Call vectorizable_type_demotion.
1818 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1819 stmt_vec_info_type value.
1820 (vectorizable_type_demotion): New function declaration.
1821 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1824 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1825 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1827 * tree-iniline.c (estimate_num_insns_1): Likewise.
1828 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1829 * optabs.c (optab_for_tree_code): Likewise.
1831 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1832 compared against the predicate of the result is not 'mode' (the input
1833 to the function) but a mode with half the size of 'mode'.
1834 (init_optab): Initialize new optabs.
1835 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1837 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1839 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1840 (vec_pack_usat_optab): Initialize new optabs.
1841 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1842 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1844 2006-11-08 Richard Henderson <rth@redehat.com>
1846 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1847 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1848 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1849 (vec_interleave_highv4si, vec_interleave_lowv4si):
1850 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1852 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1854 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1856 (vect_transform_stmt): Removed redundant code.
1858 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1860 * tree-vect-transform.c (vectorizable_operation): Support multiple
1863 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1865 * tree-vect-transform.c (vect_align_data_ref): Removed.
1866 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1867 Updated function documentation. Return the increment stmt in ptr_incr.
1868 (bump_vector_ptr): New function.
1869 (vect_get_vec_def_for_stmt_copy): New function.
1870 (vect_finish_stmt_generation): Create a stmt_info to newly created
1872 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1874 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1875 VF is greater than the number of elements that can fit in one vector
1877 (vectorizable_operation, vectorizable_condition): Likewise.
1878 (vectorizable_store, vectorizable_load): Support the case that the VF
1879 is greater than the number of elements that can fit in one vector word.
1880 (vect_transform_loop): Don't fail in case of multiple data-types.
1881 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1882 in case of multiple data-types; the smallest type determines the VF.
1883 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1884 if they are of different sizes.
1885 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1886 number of elements rather than number of bytes.
1887 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1888 (vect_can_advance_ivs_p): Fix a dump printout
1890 2006-11-07 Eric Christopher <echristo@apple.com>
1892 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1893 (__bswapsi2): Ditto.
1894 * libgcc2.h: Remove transformation of bswap routines.
1895 * config/i386/i386.md (bswapsi2): New.
1898 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1900 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1901 (handle_gnu_inline_attribute): New function.
1902 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1903 (merge_decls, start_decl, start_function): Likewise.
1904 * doc/extend.texi: Document gnu_inline attribute.
1906 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1909 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1910 _fixunstfdi, and _floatditf
1912 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1914 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1916 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1917 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1918 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1919 which start in an odd register.
1921 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1923 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1925 2006-11-07 Josh Conner <jconner@apple.com>
1927 * doc/invoke.texi (fstrict-aliasing): Move implementation
1929 * doc/tree-ssa.texi (Alias analysis): ...here.
1931 2006-11-07 Richard Guenther <rguenther@suse.de>
1933 PR tree-optimization/29610
1934 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1935 of tree_purge_dead_eh_edges as it may free dominators.
1937 * g++.dg/other/pr29610.C: New testcase.
1939 2006-11-07 David Ung <davidu@mips.com>
1941 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1942 costs when optimizing for size.
1943 (override_options): Use mips_rtx_cost_optimize_size table for cost
1946 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1948 * gcc.c (process_command): Treat -b as normal switch if its argument
1951 2006-11-07 David Ung <davidu@mips.com>
1953 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1956 2006-11-06 Eric Christopher <echristo@apple.com>
1958 * config.gcc: Add x86_64-darwin host support.
1959 * config.host: Ditto.
1960 * config/i386/darwin64.h: New file.
1961 * config/i386/t-darwin64: Ditto.
1963 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1965 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1966 and output-exists-not.
1968 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1971 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1972 checking for overflow.
1974 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1976 * configure.ac: Fixed typo in case statement: :: changed to ;;
1978 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1980 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1981 count_leading_zeros, and count_trailing_zeros.
1982 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1983 (TARGET_FOLD_BUILTIN): Define.
1984 (TARGET_EXPAND_BUILTIN): Define.
1985 (xtensa_init_builtins): New.
1986 (xtensa_fold_builtin): New.
1987 (xtensa_expand_builtin): New.
1988 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1989 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1990 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1991 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1992 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1993 (any_extend): New code macro.
1994 (u, su): New code attributes.
1995 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1996 (nsau): Remove; replaced by clzsi2.
1997 (ffssi2): Use clzsi2.
1998 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1999 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2000 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2001 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2002 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2004 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2006 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2008 * config/arm/t-strongarm-elf: Likewise.
2009 * config/arm/t-pe: Likewise.
2010 * config/arm/t-arm-elf: Likewise.
2011 * config/arm/t-xscale-elf: Likewise.
2012 * config/arm/t-arm-coff: Likewise.
2013 * config/arm/t-xscale-coff: Likewise.
2014 * config/arm/t-wince-pe: Likewise.
2016 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2018 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2021 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2024 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2027 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2030 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2031 as a valid 80387 constant.
2032 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2033 * config/i386/i386.md (unnamed splitter): Split the load of
2034 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2037 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2039 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2040 from the soft-frame, argument and virtual registers.
2042 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2044 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2045 patterns for standard 80387 constants.
2047 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2048 Steven Bosscher <steven@gcc.gnu.org>
2050 * fwprop.c: New file.
2051 * Makefile.in: Add fwprop.o.
2052 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2053 * passes.c (init_optimization_passes): Schedule forward propagation.
2054 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2056 * timevar.def (TV_FWPROP): New.
2057 * common.opt (-fforward-propagate): New.
2058 * opts.c (decode_options): Enable forward propagation at -O2.
2059 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2060 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2061 canon_for_address, table_size): Remove.
2062 (new_basic_block, insert, remove_from_table): Remove references to
2064 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2065 simplification loop more straightforward by not calling fold_rtx
2067 (equiv_constant): Move here a small part of fold_rtx_subreg,
2068 do not call fold_rtx. Call avoid_constant_pool_reference
2070 * recog.h (canonicalize_change_group): New.
2072 * doc/invoke.texi (Optimization Options): Document fwprop.
2073 * doc/passes.texi (RTL passes): Document fwprop.
2075 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2077 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2078 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2079 (grokdeclarator): Likewise.
2081 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2083 * tree-dump.c (dump_enable_all): Rename local variable
2084 ir_type to avoid name conflicts.
2085 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2086 instead of using ir_type().
2087 * profile.c (tree_register_profile_hooks): Likewise.
2088 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2089 * basic-block.h (struct edge_def): Likewise.
2090 * config/arm/arm.c (legitimize_pic_address): Likewise.
2091 * coretypes.h (ir_type): New enum of all intermediate languages
2093 * cfghooks.c (ir_type): Rename to...
2094 (current_ir_type): ...this. Distinguish between cfgrtl and
2095 cfglayout mode when the current IR is RTL. Return enum ir_type.
2096 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2098 2006-11-03 Paul Brook <paul@codesourcery.com>
2100 * config/arm/arm.c (arm_file_start): New function.
2101 (TARGET_ASM_FILE_START): Define.
2102 (arm_default_cpu): New variable.
2103 (arm_override_options): Set arm_default_cpu.
2105 2006-11-03 David Ung <davidu@mips.com>
2107 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2108 PROCESSOR_24KC and PROCESSOR_24KF.
2109 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2110 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2111 (mips_rtx_cost_data): Add costs for the 24kc.
2112 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2113 * config/mips/24k.md: Remove references to 24k and replace with
2114 uses of 24kc/24kf in the appropriate reservations.
2115 * doc/invoke.texi (MIPS Options): Updated.
2117 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2119 * config/sh/crt1.asm: Fix #ifdef indent.
2121 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2122 Merged from STMicroelectronics sources:
2123 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2124 * config/sh/crt1.asm (vbr_600): Add missing #if.
2125 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2126 * sh.opt (mfused-madd): New option.
2127 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2128 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2129 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2130 Remove pointless handler at VBR+0.
2131 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2132 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2133 fr7. Make sure the timer handler is called with the correct FPU
2134 precision setting, according to the ABI.
2135 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2136 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2137 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2138 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2139 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2140 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2141 zero as second operand.
2142 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2143 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2144 Fixed some bugs related to negative values, in particular -0
2145 and overflow at -0x80000000.
2146 * config/sh/divcost-analysis: Added sh4-300 figures.
2147 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2148 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2149 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2150 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2151 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2152 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2154 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2156 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2157 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2158 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2159 mac_mem, mem_mac, dfp_mul, fp_cmp.
2160 (insn_class, dfp_comp, any_fp_comp): Update.
2161 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2162 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2163 (muldf3_i): Likewise.
2164 (movsi_i): Split rI08 alternative into two separate alternatives.
2166 (movsi_ie, movsi_i_lowpart): Likewise.
2167 (movqi_i): Split ri alternative into two separate alternatives.
2169 * sh1.md (sh1_load_store, sh1_fp): Update.
2170 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2171 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2172 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2173 (sh4a_fp_double_arith): Likewise.
2174 * sh4-300.md: New file.
2175 * sh.c (sh_handle_option): Handle m4-300* options.
2176 (sh_adjust_cost): Fix latency of auto-increments.
2177 Handle SH4-300 differently than other SH4s. Check for new insn types.
2178 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2179 been set by an option.
2180 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2181 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2182 (mbranch-cost=): Likewise.
2183 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2185 * sh.md (mulsf3): Remove special expansion code.
2186 (mulsf3_ie): Now a define_insn_and_split.
2187 (macsf3): Allow for TARGET_SH4.
2189 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2190 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2191 (expand_cbranchdi4): Likewise.
2192 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2193 CONST_DOUBLE if the outer code is COMPARE.
2194 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2195 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2196 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2197 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2198 Remove redundant fp_{zero,one}_operand checks.
2199 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2200 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2201 (expand_cbranchdi4): Likewise.
2202 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2203 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2205 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2207 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2210 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2212 * doc/invoke.texi: Fix mfp-trap-mode typo.
2214 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2216 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2217 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2218 file_end_indicate_exec_stack.
2219 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2221 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2222 for a non-executable stack.
2223 * crti.asm: Likewise.
2224 * crtn.asm: Likewise.
2225 * libunwind.S: Likewise.
2227 2006-11-02 Ben Elliston <bje@au.ibm.com>
2229 * tree-ssa.c (warn_uninit): Use expand_location variables for
2230 locus and declaration locus.
2232 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2235 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2236 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2237 cmp{eq,gt,gtu}{si,di}_media.
2238 (*cmpne0si_media): Remove.
2239 (*movsicc_umin): Adjust gen_cmp*_media call.
2240 (unordered): Change the mode of unordered and operands[1] to
2242 (seq): Adjust gen_cmp*_media calls. Make the mode of
2243 a temporary result of compare SImode if needed. If the mode
2244 of operands[0] is DImode, extend the temporary result to DImode.
2245 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2246 (sunorderd): Change the mode of match_operand and unorderd to
2248 (cmpeq{sf,df}_media): Remove.
2249 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2250 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2251 and compare operation to SImode.
2253 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2255 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2257 (sparc64-sun-solaris2*): Likewise.
2259 2006-11-02 Paul Brook <paul@codesourcery.com>
2261 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2262 from priority argument. Use different section for non-default
2264 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2266 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2269 * except.c (switch_to_exception_section): Do not cache the section
2270 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2271 and flag_function_sections is set.
2273 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2276 * builtins.c (do_mpfr_sincos): New.
2277 (fold_builtin_1): Use it to fold builtin sincos.
2279 2006-11-01 Roger Sayle <roger@eyesopen.com>
2281 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2282 it into -D_REENTRANT.
2284 2006-11-01 Roger Sayle <roger@eyesopen.com>
2286 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2287 whether the assembler supports taking the difference of symbols in
2288 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2289 * configure: Regenerate.
2290 * config.in: Regenerate.
2291 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2292 the assembler doesn't support taking the difference of symbols in
2293 different sections, i.e. we're using the native solaris assembler.
2295 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2296 Peter Bergner <bergner@vnet.ibm.com>
2298 * doc/invoke.texi: Add cpu_type power6x
2299 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2300 * config.gcc: Add cpu_type power6x.
2301 * configure.ac: Add test for mf{t,f}gpr instructions.
2302 (HAVE_AS_MFPGPR): New.
2303 * config.in: Regenerate.
2304 * configure: Regenerate.
2305 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2306 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2307 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2308 and mftgpr attributes.
2309 (define_attr "cpu"): Add power6.
2310 Change instruction sequences to use new attributes.
2311 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2312 (fix_truncdfsi2_mfpgpr): New.
2313 (floatsidf_ppc64_mfpgpr): New.
2314 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2315 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2316 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2317 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2318 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2319 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2320 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2321 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2322 cntlz,exts and var_delayed_compare.
2323 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2324 _ARCH_PWR6X, if features enabled.
2325 * config/rs6000/rs6000.opt (mmfpgpr): New.
2326 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2327 (cached_can_issue_more): New variable.
2328 (processor_costs): Add power6_cost.
2329 (rs6000_sched_init): New function.
2330 (is_dispatch_slot_restricted): Deleted.
2331 (set_to_load_agen): New function.
2332 (is_load_insn,is_store_insn): New functions.
2333 (adjacent_mem_locations): New function.
2334 (insn_must_be_first_in_group): New function.
2335 (insn_must_be_last_in_group): New function.
2336 (rs6000_sched_reorder): New function.
2337 (rs6000_sched_reorder2): New function.
2338 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2339 TARGET_SCHED_REORDER2): Define.
2340 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2341 Add power6x. Add MASK_MFPGPR for power6x.
2342 (POWERPC_MASKS): Add MASK_MFPGPR.
2343 (rs6000_override_options): Set rs6000_always_hint to false
2344 for power6. Set rs6000_align_branch_targets. Replace
2345 rs6000_sched_groups check with rs6000_align_branch_targets.
2346 Use PROCESSOR_POWER6.
2347 (last_scheduled_insn): New variable.
2348 (load_store_pendulum): New variable.
2349 (rs6000_variable_issue): Set last_scheduled_insn and
2350 cached_can_issue_more.
2351 (rs6000_adjust_cost): Add power6 cost adjustments.
2352 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2353 with insn_must_be_first_in_group. Add power6 priority adjustments.
2354 (rs6000_issue_rate): Add CPU_POWER6.
2355 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2356 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2357 (TARGET_MFPGPR): New.
2358 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2359 (ASM_CPU_SPEC): Add power6x.
2360 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2362 * config/rs6000/power6.md: New file.
2364 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2366 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2367 HOST_WIDE_INT_PRINT to print high and low parts. Use
2368 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2369 printing a hexadecimal number prefix it with 0x.
2371 2006-11-01 Chris Johns <chris@contemporary.net.au>
2374 * Makefile.in (install-driver): Use exeext when installing
2375 $target-gcc-$version.
2377 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2379 * c-common.c (flag_cpp0x): New.
2380 * c-common.h (flag_cpp0x): New.
2381 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2382 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2383 * c-opts.c (set_std_cxx0x): New.
2384 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2385 * c.opt (std=c++0x): Document.
2386 (std=gnu++0x): Ditto.
2387 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2388 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2390 2006-11-01 Richard Guenther <rguenther@suse.de>
2392 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2394 (ix86_expand_floorceildf_32): Likewise.
2395 (ix86_expand_floorceil): Likewise.
2396 (ix86_expand_trunc): Likewise.
2398 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2400 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2403 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2405 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2407 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2409 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2411 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2412 * configure.ac (use_cxa_atexit): As a special case, don't test
2413 for libc definition of __cxa_atexit on mingw32
2414 * configure: Regenerate.
2415 * config.gcc (i[34567]86-pc-mingw32): Default to
2416 enable__cxa_atexit=yes.
2418 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2420 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2422 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2425 * c-decl.c (start_struct): Don't create self-containing
2427 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2429 * config/rs6000/rs6000-protos.h
2430 (darwin_rs6000_special_round_type_align): New.
2431 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2432 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2434 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2436 * toplev.c (compile_file): Call final_write_globals
2437 even if there have been errors.
2439 2006-10-31 Eric Christopher <echristo@apple.com>
2440 Falk Hueffner <falk@debian.org>
2442 * doc/extend.texi (__builtin_bswap32): Document.
2443 (__builtin_bswap64): Ditto.
2444 * doc/libgcc.texi (bswapsi2): Document.
2446 * doc/rtl.texi (bswap): Document.
2447 * optabs.c (expand_unop): Don't widen a bswap.
2448 (init_optabs): Init bswap. Set libfuncs explicitly
2449 for bswapsi2 and bswapdi2.
2450 * optabs.h (OTI_bswap): New.
2451 (bswap_optab): Ditto.
2452 * genopinit.c (optabs): Handle bswap_optab.
2453 * tree.h (tree_index): Add TI_UINT32_TYPE and
2455 (uint32_type_node): New.
2456 (uint64_type_node): Ditto.
2457 * tree.c (build_common_tree_nodes_2): Initialize
2458 uint32_type_node and uint64_type_node.
2459 * builtins.c (expand_builtin_bswap): New.
2460 (expand_builtin): Call.
2461 (fold_builtin_bswap): New.
2462 (fold_builtin_1): Call.
2463 * fold-const.c (tree_expr_nonnegative_p): Return true
2465 * builtin-types.def (BT_UINT32): New.
2467 (BT_FN_UINT32_UINT32): Ditto.
2468 (BT_FN_UINT64_UINT64): Ditto.
2469 * builtins.def (BUILT_IN_BSWAP32): New.
2470 (BUILT_IN_BSWAP64): Ditto.
2471 * rtl.def (BSWAP): New.
2472 * genattrtab.c (check_attr_value): New.
2473 * libgcc2.c (__bswapSI2): New.
2474 (__bswapDI2): Ditto.
2475 * libgcc2.h (__bswapSI2): Declare.
2476 (__bswapDI2): Ditto.
2477 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2478 * simplify-rtx.c (simplify_const_unary_operation): Return
2480 * libgcc-std.ver (__bwapsi2): Add.
2481 (__bswapdi2): Ditto.
2482 * reload1.c (eliminate_regs_1): Add bswap.
2483 (elimination_effects): Ditto.
2484 * config/i386/i386.h (x86_bswap): New.
2485 (TARGET_BSWAP): Use.
2486 * config/i386/i386.c (x86_bswap): Set.
2488 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2490 * coverage.c (coverage_checksum_string): Update comment.
2491 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2492 of get_file_function_name.
2493 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2494 of get_file_function_name_long.
2495 * tree.c (get_file_function_name): Rename from
2496 get_file_function_name_long; improve comment; handle 'I' and 'D'
2497 specially when the target has ctor/dtor support; remove special
2499 (get_file_function_name): Remove.
2500 * tree.h (get_file_function_name): Rename from
2501 get_file_function_name_long.
2502 (get_file_function_name): Remove prototype.
2504 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2506 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2507 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2509 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2510 Call dsymutil when compiling and linking one or more source files
2513 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2516 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2518 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2520 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2521 inline static functions in c99 mode.
2524 * doc/extend.texi (Inline): Update.
2525 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2526 * c-decl.c (current_extern_inline): Delete.
2527 (pop_scope): Adjust test for an undefined nested function.
2528 Add warning about undeclared inline function.
2529 (diagnose_mismatched_decls): Update comments. Disallow overriding
2530 of inline functions in a translation unit in C99. Allow inline
2531 declarations in C99 at any time.
2532 (merge_decls): Boolize variables. Handle C99 'extern inline'
2534 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2535 C99 inline semantics.
2536 (start_function): Don't clear current_extern_inline. Don't set
2538 (c_push_function_context): Don't push current_extern_inline.
2539 (c_pop_function_context): Don't restore current_extern_inline.
2542 * c-typeck.c (build_external_ref): Warn about static variables
2543 used in extern inline functions.
2544 * c-decl.c (start_decl): Warn about static variables declared
2545 in extern inline functions.
2547 2006-10-31 Roger Sayle <roger@eyesopen.com>
2550 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2551 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2552 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2553 or y is an even integer.
2555 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2558 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2559 * gthr-posix95.h (__gthread_active_p): Likewise.
2561 2006-10-31 Richard Guenther <rguenther@suse.de>
2563 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2564 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2565 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2566 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2567 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2568 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2569 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2570 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2573 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2575 * opts.c (decode_options): Disable CSE skip blocks.
2577 2006-10-30 Dirk Mueller <dmueller@suse.de>
2579 * c-common.h (strict_aliasing_warning): Fix whitespace.
2580 * c-decl (start_function): Move code for main decl warning ..
2581 * c-common.c (check_main_parameter_types): .. here.
2582 * c-common.h (check_main_parameter_types): Declare.
2584 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2587 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2589 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2591 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2592 be a PARALLEL containing sets. Return false when out_pat is not
2595 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2597 * config/mips/mips.md (mul<mode>3): Split into...
2598 (mulsi3, muldi3): ...these separate patterns.
2600 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2602 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2603 but with each set of options separated by spaces.
2605 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2607 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2608 dwarf_reg_size_table has been initialized.
2610 2006-10-30 Roger Sayle <roger@eyesopen.com>
2612 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2613 * ddg.c (print_ddg_edge): Likewise.
2614 * dwarf2out.c (prune_unused_types_walk): Likewise.
2615 * ifcvt.c (noce_try_cmove_arith): Likewise.
2616 * langhooks.c (add_builtin_function): Likewise.
2617 * reg-stack.c (subst_stack_regs_pat): Likewise.
2618 * tree.c (expanded_location): Likewise.
2619 * tree-dump.c (dequeue_and_dump): Likewise.
2621 2006-10-30 David Daney <ddaney@avtrex.com>
2623 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2625 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2627 PR tree-optimization/29637
2628 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2629 of the innertype is the innertype itself.
2631 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2633 * dwarf2out.c (file_name_acquire): Correct typo.
2635 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2637 * tree.h (tree_value_handle): Remove struct value_set declaration.
2638 Change value_set to bitmap_set.
2639 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2640 * tree-vn.c (get_value_handle): Made inline and moved to
2642 * tree-flow-inline.h: (has_stmt_ann): New function.
2643 * tree-ssa-pre.c (expressions): New variable.
2644 (next_expression_id): Ditto.
2645 (alloc_expression_id): New function.
2646 (struct value_set): Remove.
2647 (get_expression_id): New function.
2648 (get_or_alloc_expression_id): Ditto.
2649 (expression_for_id): Ditto.
2650 (clear_expression_ids): Ditto.
2651 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2652 (bb_value_sets): Renamed to bb_bitmap_sets.
2653 All value sets replaced with bitmap_sets.
2655 (BB_VISITED): New macro.
2656 (postorder): New variable.
2657 (add_to_value): Removed.
2658 (value_exists_in_set_bitmap): Ditto.
2659 (value_insert_into_set_bitmap): Ditto.
2662 (set_remove): Ditto.
2663 (set_contains_value): Ditto.
2664 (insert_into_set): Ditto.
2666 (find_leader): Ditto.
2667 (bitmap_set_subtract_from_value_set): Ditto.
2668 (value_insert_into_set): Ditto.
2669 (print_value_set): Ditto.
2670 (debug_value_set): Ditto.
2671 (constant_expr_p): New function.
2672 (bitmap_remove_from_set): Ditto.
2673 (bitmap_insert_into_set): Ditto.
2674 (bitmap_set_free): Ditto.
2675 (vh_compare): Ditto.
2676 (sorted_array_from_bitmap_set): Ditto.
2677 (bitmap_set_subtract): Ditto.
2678 (bitmap_set_equal): Ditto.
2679 (debug_bitmap_set): Ditto.
2680 (find_leader_in_sets): Ditto.
2681 (bitmap_set_replace_value): Modify for bitmapped sets.
2682 (phi_translate): Ditto.
2683 (phi_translate_set): Ditto.
2684 (bitmap_find_leader): Ditto.
2685 (valid_in_sets): Ditto.
2686 (union_contains_value): Ditto.
2688 (compute_antic_aux): Ditto. Mark changed blocks.
2689 (compute_antic): Ditto. Iterate in postorder and only over
2691 (compute_rvuse_and_antic_safe): Reuse postorder.
2692 (create_component_ref_by_pieces): Modify for bitmapped sets.
2693 (find_or_generate_expression): Ditto.
2694 (create_expression_by_pieces): Ditto.
2695 (insert_into_preds_of_block): Ditto.
2696 (changed_blocks): New variable.
2697 (do_regular_insertion): Broken out from insert_aux.
2698 (insert_aux): Modified for bitmapped sets.
2699 (find_existing_value_expr): New function.
2700 (create_value_expr_from): Use it.
2701 (insert_extra_phis): Removed.
2702 (print_bitmap_set): Renamed from bitmap_print_value_set.
2703 (compute_avail): Handle RETURN_EXPR.
2704 (init_pre): Modify for bitmapped sets.
2705 * tree-flow.h (has_stmt_ann): New function.
2707 2006-10-29 Roger Sayle <roger@eyesopen.com>
2709 * builtins.c (fold_builtin_floor): Check for the availability of
2710 the C99 trunc function before transforming floor into trunc.
2712 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2714 * builtins.c (fold_builtin_hypot): Rearrange recursive
2715 transformation before others, and also do ABS_EXPR. When
2716 necessary, check flag_unsafe_math_optimizations. When necessary,
2719 2006-10-29 Roger Sayle <roger@eyesopen.com>
2721 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2722 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2723 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2724 Fold -X eq/ne -Y as X eq/ne Y.
2726 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2728 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2729 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2730 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2731 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2732 Use an inclusive test for "mult" rather than "mul".
2733 (rotr<mode>3): Depend on ISA_HAS_ROR.
2734 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2736 (GENERATE_MULT3_DI): Delete.
2737 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2738 (ISA_HAS_MUL3): New macro.
2739 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2740 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2741 (ISA_HAS_CLZ_CLO): Likewise.
2742 (ISA_HAS_DCLZ_DCLO): Delete.
2743 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2744 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2745 the VR4120 and VR4130.
2746 (ISA_HAS_MACCHI): Use consistent formatting.
2747 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2748 (ISA_HAS_ROR): ...this new macro.
2749 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2750 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2751 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2753 2006-10-29 Roger Sayle <roger@eyesopen.com>
2755 PR tree-optimization/15458
2756 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2759 2006-10-29 Richard Guenther <rguenther@suse.de>
2761 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2762 (ix86_expand_truncdf_32): Likewise.
2763 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2764 trunc inline for SSE math and -fno-trapping-math and if not
2765 optimizing for size.
2766 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2767 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2768 for expanding btrunc inline for SSE math.
2770 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2772 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2773 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2774 i[34567]86-*-solaris2.1[0-9]*.
2775 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2776 Define conditionally depending on TARGET_64BIT_DEFAULT.
2777 (SPEC_32, SPEC_64): Define.
2778 (LINK_SPEC): Use them.
2779 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2781 2006-10-29 Richard Guenther <rguenther@suse.de>
2783 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2784 (ix86_expand_rounddf_32): Likewise.
2785 * config/i386/i386.c (ix86_expand_round): New function expanding
2786 round inline for SSE math and -fno-trapping-math and if not
2787 optimizing for size.
2788 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2789 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2790 round via ix86_expand_round.
2792 2006-10-29 Richard Guenther <rguenther@suse.de>
2794 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2795 (ix86_expand_floorceildf_32): Likewise.
2796 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2797 static helper function.
2798 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2800 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2801 * config/i386/i386.md (floordf2): Adjust to enable floor
2802 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2803 -fno-trapping-math is enabled and if not optimizing for size.
2804 (floorsf2, ceildf2, ceilsf2): Likewise.
2805 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2806 (sse2_maskcmpdf3): Likewise.
2808 2006-10-29 Richard Guenther <rguenther@suse.de>
2810 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2811 rint in case -fno-trapping-math is enabled.
2812 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2813 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2814 (ix86_expand_sse_fabs): Likewise.
2815 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2816 * config/i386/i386.md (rintdf2): Enable for SSE math if
2817 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2818 (rintsf2): Likewise.
2820 2006-10-29 Richard Guenther <rguenther@suse.de>
2822 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2823 to conversion optabs.
2824 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2825 as conversion optab.
2826 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2827 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2828 (lfloor_optab, lceil_optab): Adjust defines.
2829 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2830 lfloor and lceil optabs now being conversion optabs.
2831 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2832 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2833 New static helper function.
2834 (ix86_expand_lfloorceil): New function to expand lfloor and
2836 * config/i386/i386.md (lfloor<mode>2): Split into ...
2837 (lfloorxf<mode>2): ... x87 variant
2838 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2839 using ix86_expand_lfloorceil.
2840 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2842 * doc/md.texi (lfloorMN, lceilMN): Document.
2844 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2846 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2847 -mno-shared assembler option on mips targets.
2848 * configure, config.in: Regenerate.
2849 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2850 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2851 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2853 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2855 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2856 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2858 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2860 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2861 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2864 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2867 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2868 (fold_builtin_pow): Evaluate constant arguments at compile-time
2870 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2871 (do_mpfr_ckconv): New helper function.
2872 (do_mpfr_arg1): Use do_mpfr_ckconv.
2873 (do_mpfr_arg2): New.
2875 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2878 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2879 (-fdump-rtl-sched): Rename to ..
2880 (-fdump-rtl-sched1): here. Also fix file extension number.
2882 2006-10-28 Richard Guenther <rguenther@suse.de>
2884 * fold-const.c (maybe_canonicalize_comparison): Fix code
2887 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2889 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2890 (NON_QI_REG_P): Use IN_RANGE.
2891 (REX_INT_REGNO_P): Use IN_RANGE.
2892 (FP_REGNO_P): Use IN_RANGE.
2893 (SSE_REGNO_P): Use IN_RANGE.
2894 (REX_SSE_REGNO_P): Use IN_RANGE.
2895 (MMX_REGNO_P): Use IN_RANGE.
2896 (STACK_REGNO_P): New macro.
2897 (STACK_REG_P): Use STACK_REGNO_P.
2898 (NON_STACK_REG_P): Use STACK_REGNO_P.
2899 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2900 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2901 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2902 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2903 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2905 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2907 * except.h (output_function_exception_table): Add 'const char*' param.
2908 * except.c (switch_to_exception_section): Add 'const char*' param.
2909 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2910 and flag_function_sections is set, use a function-specific section.
2911 (output_function_exception_table): Add 'const char*' param.
2912 Adjust call to switch_to_exception_section.
2913 * final.c (rest_of_handle_final): Adjust calls to
2914 output_function_exception_table.
2915 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2916 * config.in: Regenerate.
2917 * configure: Likewise.
2919 2006-10-28 Richard Guenther <rguenther@suse.de>
2922 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2923 for maybe_canonicalize_comparison.
2924 (maybe_canonicalize_comparison): New function for canonicalizing
2926 (fold_comparison): Call it to canonicalize comparisons with
2929 2006-10-28 Richard Guenther <rguenther@suse.de>
2932 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2933 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2934 (expand_builtin): Adjust likewise.
2935 * genopinit.c (optabs[]): Add lround optab.
2936 * optabs.c (init_optabs): Initialize lround_optab.
2937 * optabs.h (enum convert_optab_index): Add COI_lround.
2938 (lround_optab): Define.
2939 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2940 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2942 (ix86_expand_lround): New function.
2943 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2945 * doc/md.texi (lroundMN2): Document.
2947 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2950 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2951 argument to HOST_WIDE_INT. Update function prototype.
2952 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2953 "size" argument to HOST_WIDE_INT. Update function prototype.
2955 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2957 * config/i386/i386.c (output_387_ffreep): Create output from a
2958 template string for !HAVE_AS_IX86_FFREEP.
2960 2006-10-27 Eric Christopher <echristo@apple.com>
2962 * config/darwin.c: Fix formatting and grammar.
2964 2006-10-27 Jan Hubicka <jh@suse.cz>
2966 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2967 to be thrown away soon when IGNORE is set.
2968 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2969 indicating when return value shall not be computed.
2970 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2972 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2974 * config/i386/i386.h (TARGET_GEODE):
2975 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2976 (TARGET_CPU_DEFAULT_geode): New macro.
2977 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2978 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2979 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2980 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2981 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2983 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2984 (processor_type): Add PROCESSOR_GEODE.
2986 * config/i386/i386.md: Include geode.md.
2989 * config/i386/i386.c (geode_cost): New initialized global
2991 (m_GEODE, m_K6_GEODE): New macros.
2992 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2993 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2994 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2995 x86_schedule): Use m_K6_GEODE instead of m_K6.
2996 (x86_movx, x86_cmove): Set up m_GEODE.
2997 (x86_integer_DFmode_moves): Clear m_GEODE.
2998 (processor_target_table): Add entry for geode.
2999 (processor_alias_table): Ditto.
3001 * config/i386/geode.md: New file.
3003 * doc/invoke.texi: Add entry about geode processor.
3005 2006-10-27 Mike Stump <mrs@apple.com>
3007 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3008 __DYNAMIC__ from here back to ...
3009 * config/darwin.h (CPP_SPEC): ... here.
3011 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3012 Nathan Sidwell <nathan@codesourcery.com>
3014 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3015 when choosing the minimum heapsize.
3017 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3019 * gcc/unwind-dw2.h: Move cfa-related variables into
3020 struct frame_state_reg_info to ensure that the CFA is properly
3021 handled when executing DW_CFA_{remember,restore}_state.
3022 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3023 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3024 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3025 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3026 gcc/config/rs6000/linux-unwind.h,
3027 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3028 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3029 Modify to use new cfa_* fields.
3031 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3033 * config/s390/s390.c (s390_init_frame_layout): Check positive
3036 2006-10-26 Ben Elliston <bje@au.ibm.com>
3038 * gimplify.c (get_name): Remove extraneous break.
3039 (gimplify_omp_for): Initialise ret with GS_OK.
3041 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3043 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3044 Add unix98.o to link line.
3046 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3049 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3050 Calculate compile-time constants using MPFR.
3051 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3052 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3054 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3056 * config/xtensa/lib2funcs.S: Use C-style comments.
3058 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3060 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3061 (file_table_relative_p): Likewise.
3062 (dwarf2out_finish): Likewise.
3063 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3065 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3067 * tree-ssa-structalias.c (intra_create_variable_infos):
3068 Don't recreate nonlocal_all if it already exists.
3070 2006-10-25 Richard Guenther <rguenther@suse.de>
3073 * optabs.h (enum optab_index): Remove OTI_lrint.
3074 (enum convert_optab_index): Add COI_lrint.
3075 (lrint_optab): Adjust.
3076 (expand_sfix_optab): Declare.
3077 * optabs.c (expand_sfix_optab): New function.
3078 (init_optabs): Init lrint_optab as conversion optab.
3079 * genopinit.c (lrint_optab): Change to a conversion optab.
3080 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3081 expansion via conversion optab.
3082 * config/i386/i386.md (*fistdi2_1): Remove
3083 flag_unsafe_math_optimizations guard.
3084 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3085 fist<mode>2_with_temp): Likewise.
3086 (lrint<mode>2): Split into...
3087 (lrintxf<mode>2): ... x87 part
3088 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3089 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3090 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3091 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3092 * doc/md.texi (lrintMN2): Document.
3094 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3097 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3098 Use inc and dec instructions for TARGET_USE_INCDEC.
3099 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3100 ("sync_double_compare_and_swap<mode>"): Likewise.
3101 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3102 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3103 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3104 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3105 ("sync_old_add<mode>"): Likewise.
3106 ("sync_lock_test_and_set<mode>"): Likewise.
3107 ("sync_lock_test_and_set<mode>"): Likewise.
3108 ("sync_add<mode>"): Likewise.
3109 ("sync_sub<mode>"): Likewise.
3110 ("sync_ior<mode>"): Likewise.
3111 ("sync_and<mode>"): Likewise.
3112 ("sync_xor<mode>"): Likewise.
3114 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3116 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3117 (remainder_optab): Define corresponding macro.
3118 (drem_optab): Remove.
3119 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3120 drem_optab initialization.
3121 * genopinit.c (optabs): Implement remainder_optab using
3122 remainder?f3 patterns. Remove drem_optab.
3123 * builtins.c (expand_builtin_mathfn_2): Handle
3124 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3125 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3126 expand_builtin_mathfn_2.
3128 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3129 depend on flag_unsafe_math_optimizations.
3131 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3132 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3133 Do not depend on flag_unsafe_math_optimizations. Use
3134 truncxf?f expander instead of truncxf?f_i387_noop.
3136 ("fpremxf4", "fprem1xf4"): Do not depend on
3137 flag_unsafe_math_optimizations.
3138 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3139 flag_unsafe_math_optimizations. Use truncxf?f expander
3140 instead of truncxf?f_i387_noop.
3142 * doc/md.texi (fmod, remainder): Document standard named pattern.
3144 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3145 David Daney <ddaney@avtrex.com>
3148 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3150 2006-10-25 Ben Elliston <bje@au.ibm.com>
3152 * doc/extend.texi (Variable Attributes): Typo fix.
3154 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3156 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3157 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3158 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3159 (FRAME_POINTER_REGNUM): Update register number to 21.
3160 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3161 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3163 * config/i386/i386.c (regclass_map): Add fpcr entry.
3164 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3166 (print_reg): Assert REGNO (x) != FPCR_REG.
3168 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3169 (DIRFLAG_REG): Renumber.
3170 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3171 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3172 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3173 hardcoded SSE register numbers.
3175 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3176 hardcoded MMX register numbers.
3178 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3181 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3182 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3184 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3185 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3186 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3187 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3189 2006-10-24 Richard Guenther <rguenther@suse.de>
3192 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3193 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3194 for deciding optimizations in consistency with fold-const.c
3195 (fold_builtin_unordered_cmp): Likewise.
3197 2006-10-24 Richard Guenther <rguenther@suse.de>
3199 * builtins.c (fold_builtin_floor): Fold floor (x) where
3200 x is nonnegative to trunc (x).
3201 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3202 nonnegative to FIX_TRUNC_EXPR.
3204 2006-10-24 Richard Guenther <rguenther@suse.de>
3206 PR tree-optimization/29567
3207 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3208 for TRUTH_NOT_EXPR. Clarify comments.
3210 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3213 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3214 at compile-time using MPFR. Change parameter VALUE to FUNC,
3216 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3217 for overflow and underflow at all times and avoid folding in
3220 2006-10-24 Ben Elliston <bje@au.ibm.com>
3222 * reload1.c: Formatting fixes.
3224 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3226 PR tree-optimization/14784
3227 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3228 * tree-ssa-structalias.c (get_constraint_for,
3229 intra_create_variable_infos): Set is_heapvar.
3230 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3231 non-heapvar pointer variables specially.
3233 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3236 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3237 fold_builtin_tan): Fold all constant arguments. Take a "type"
3238 argument as necessary.
3239 (do_mpfr_arg1): New.
3240 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3242 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3244 * config/xtensa/lib1funcs.asm: Use C-style comments.
3246 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3248 * tree.c (local_define_builtin): Replace calls to
3249 lang_hooks.builtin_function with add_builtin_function.
3250 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3252 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3254 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3255 common code to add_builtin_function.
3256 * langhooks.c (add_builtin_function): New function.
3257 (lhd_builtin_function): New function.
3258 * langhooks.h (struct lang_hooks): Change the signature of
3260 (add_builtin_function): New function.
3261 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3262 calls to lang_hooks.builtin_function with add_builtin_function.
3263 * c-common.c (decl_builtin_1): Replace calls to
3264 lang_hooks.builtin_function with add_builtin_function.
3265 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3266 lang_hooks.builtin_function with add_builtin_function.
3267 * config/frv/frv.c (def_builtin): Replace calls to
3268 lang_hooks.builtin_function with add_builtin_function.
3269 * config/s390/s390.c (s390_init_builtins): Replace calls to
3270 lang_hooks.builtin_function with add_builtin_function.
3271 * config/sparc/sparc.c (def_builtin): Replace calls to
3272 lang_hooks.builtin_function with add_builtin_function.
3273 * config/i386/i386.c (def_builtin): Replace calls to
3274 lang_hooks.builtin_function with add_builtin_function.
3275 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3276 lang_hooks.builtin_function with add_builtin_function.
3277 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3278 lang_hooks.builtin_function with add_builtin_function.
3279 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3280 Replace calls to lang_hooks.builtin_function with
3281 add_builtin_function.
3282 * config/iq2000/iq2000.c (def_builtin):
3283 Replace calls to lang_hooks.builtin_function with
3284 add_builtin_function.
3285 * config/ia64/ia64.c (def_builtin): Replace calls to
3286 lang_hooks.builtin_function with add_builtin_function.
3287 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3288 lang_hooks.builtin_function with add_builtin_function.
3289 (altivec_init_builtins): Replace calls to
3290 lang_hooks.builtin_function with add_builtin_function.
3291 * config/arm/arm.c (def_mbuiltin): Replace calls to
3292 lang_hooks.builtin_function with add_builtin_function.
3293 (arm_init_tls_builtins): Replace calls to
3294 lang_hooks.builtin_function with add_builtin_function.
3295 * config/mips/mips.c (mips_init_builtins): Replace calls to
3296 lang_hooks.builtin_function with add_builtin_function.
3297 * config/bfin/bfin.c (def_builtin): Replace calls to
3298 lang_hooks.builtin_function with add_builtin_function.
3299 * langhooks-def.h (lhd_builtin_function): New function.
3300 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3302 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3304 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3305 BUILT_IN_STRNCAT_CHK.
3307 2006-10-23 Jan Hubicka <jh@suse.cz>
3309 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3310 don't do conversion from memmove to memcpy here.
3311 (expand_builtin_bcopy, expand_builtin): Update call of
3312 expand_builtin_memmove.
3313 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3315 2006-10-23 Paul Brook <paul@codesourcery.com>
3317 * stor-layout.c (start_record_layout): maximum_field_alignment
3318 overrides STRUCTURE_SIZE_BOUNDARY.
3320 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3322 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3323 nonlocal function symbols if flag_pic.
3325 2006-10-23 Richard Guenther <rguenther@suse.de>
3329 * builtins.c (fold_binary): Remove checks for flag_wrapv
3330 and flag_trapv where negate_expr_p covers these cases.
3332 2006-10-23 Richard Guenther <rguenther@suse.de>
3335 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3336 of two on the absolute value.
3337 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3338 and negating -C does not overflow.
3340 2006-10-23 Richard Guenther <rguenther@suse.de>
3343 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3344 only if not flag_rounding_math.
3346 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3347 Kaz Kojima <kkojima@gcc.gnu.org>
3350 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3351 SImode memory reference for the source of a movua.
3352 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3353 (movua): Use an unspec instead of sign_extract. Expect the source
3354 to have mode BLKmode.
3355 (extv, insv): Use a BLKmode rather than SImode memory reference
3356 for the source of a movua.
3358 2006-10-22 Jeff Law <law@redhat.com>
3359 Richard Guenther <rguenther@suse.de>
3361 PR tree-optimization/15911
3362 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3363 (register_edge_assert_for_1): Likewise.
3364 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3365 (find_conditional_asserts): Adjust for new function signature.
3366 (find_assert_locations): Likewise.
3368 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3370 * config/i386/tmmintrin.h: Remove the duplicated content.
3372 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3374 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3375 (x86_64-*-*): Likewise.
3377 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3378 (override_options): Check SSSE3.
3379 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3380 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3381 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3382 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3383 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3384 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3385 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3386 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3387 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3388 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3389 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3390 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3391 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3392 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3393 IX86_BUILTIN_PABSD128.
3394 (bdesc_2arg): Add SSSE3.
3395 (bdesc_1arg): Likewise.
3396 (ix86_init_mmx_sse_builtins): Support SSSE3.
3397 (ix86_expand_builtin): Likewise.
3398 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3400 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3401 (UNSPEC_PSIGN): Likewise.
3402 (UNSPEC_PALIGNR): Likewise.
3403 Include mmx.md before sse.md.
3405 * config/i386/i386.opt: Add -mssse3.
3407 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3408 (ssse3_phaddwv4hi3): Likewise.
3409 (ssse3_phadddv4si3): Likewise.
3410 (ssse3_phadddv2si3): Likewise.
3411 (ssse3_phaddswv8hi3): Likewise.
3412 (ssse3_phaddswv4hi3): Likewise.
3413 (ssse3_phsubwv8hi3): Likewise.
3414 (ssse3_phsubwv4hi3): Likewise.
3415 (ssse3_phsubdv4si3): Likewise.
3416 (ssse3_phsubdv2si3): Likewise.
3417 (ssse3_phsubswv8hi3): Likewise.
3418 (ssse3_phsubswv4hi3): Likewise.
3419 (ssse3_pmaddubswv8hi3): Likewise.
3420 (ssse3_pmaddubswv4hi3): Likewise.
3421 (ssse3_pmulhrswv8hi3): Likewise.
3422 (ssse3_pmulhrswv4hi3): Likewise.
3423 (ssse3_pshufbv16qi3): Likewise.
3424 (ssse3_pshufbv8qi3): Likewise.
3425 (ssse3_psign<mode>3): Likewise.
3426 (ssse3_psign<mode>3): Likewise.
3427 (ssse3_palignrti): Likewise.
3428 (ssse3_palignrdi): Likewise.
3429 (abs<mode>2): Likewise.
3430 (abs<mode>2): Likewise.
3432 * config/i386/tmmintrin.h: New file.
3434 * doc/extend.texi: Document SSSE3 built-in functions.
3436 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3438 2006-10-22 Ira Rosen <irar@il.ibm.com>
3440 * tree-vect-transform.c (vectorizable_load): Use the type of the
3441 return value of the mask_for_load builtin to create realign_load
3444 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3446 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3449 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3451 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3452 (UNSPEC_LDDQU): This.
3453 * config/i386/sse.md (sse3_lddqu): Updated.
3455 2006-10-21 Richard Guenther <rguenther@suse.de>
3457 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3458 (expand_builtin): Use it to expand lrint instead of
3459 expand_builtin_mathfn.
3461 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3464 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3465 flag_unsafe_math_optimizations is set.
3467 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3470 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3471 patterns to use memory input operand in x87->mem->XMM
3472 reload sequences. Skip transformation for TARGET_K8.
3474 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3476 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3477 force operand1 to register if both operands are memory operands.
3478 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3479 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3480 if both operands are memory operands.
3481 (truncdfsf2): Do not force operand1 to register if both operands
3482 are memory operands.
3484 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3486 * Makefile.in (LIBS): Add $(GMPLIBS).
3487 * doc/install.texi: Update GMP and MPFR requirements.
3488 * doc/sourcebuild.texi (need_gmp): Delete.
3490 2006-10-21 Richard Guenther <rguenther@suse.de>
3492 PR tree-optimization/3511
3493 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3494 got new invariant arguments during PHI translation.
3496 2006-10-21 Richard Guenther <rguenther@suse.de>
3499 * fold-const.c (fold_comparison): Fold signed comparisons
3500 of the form X +- C1 CMP Y +- C2.
3502 2006-10-21 Richard Guenther <rguenther@suse.de>
3505 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3506 if flag_unsafe_math_optimizations is specified. We have
3507 flag_finite_math_only for that.
3508 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3509 or flag_unsafe_math_optimizations.
3511 2006-10-21 Richard Guenther <rguenther@suse.de>
3513 * builtins.c (fold_builtin_classify): Fix typo.
3515 2006-10-21 Richard Guenther <rguenther@suse.de>
3518 * simplify-rtx.c (simplify_const_relational_operation):
3519 Do not constant-fold ORDERED and UNORDERED for
3520 flag_unsafe_math_optimizations but only we do not need to
3521 honor NaNs for the given mode.
3523 2006-10-21 Richard Guenther <rguenther@suse.de>
3526 * config/i386/i386.c (classify_argument): Remove redundant
3527 walking of the BINFOs.
3528 (contains_128bit_aligned_vector_p): Likewise.
3530 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3532 * BASE-VER: Set to 4.3.0.
3534 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3536 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3537 (tree_decl_with_vis): Remove artificial_pta_var flag.
3538 * tree-flow.h (referenced_var_check_and_insert): Expose.
3539 (nonlocal_all): New prototype.
3540 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3541 (nonlocal_all): Make global.
3542 (nonlocal_lookup): Remove.
3543 (nonlocal_insert): Ditto.
3544 (create_nonlocal_var): Do not call nonlocal_insert.
3545 (get_nonlocal_id_for_type): Remove.
3546 (find_global_initializers): Mark new vars we find for renaming.
3547 (intra_create_variable_infos): Only create one nonlocal.
3548 (expand_nonlocal_solutions): Remove.
3549 (compute_points_to_sets): Don't call it.
3550 (ipa_pta_execute): Ditto.
3551 (init_alias_heapvars): Don't create nonlocal_for_type.
3552 (delete_alias_heapvars): Don't remove it.
3553 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3556 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3558 * doc/install.texi (Downloading GCC): Clarify mention of
3559 Fortran in the "full distribution" description.
3561 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3563 Fix PR tree-optimization/28778
3564 Fix PR tree-optimization/29156
3565 Fix PR tree-optimization/29415
3566 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3567 (tree_decl_with_vis): Add artificial_pta_var flag.
3568 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3569 pushed into callers.
3570 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3571 (nonlocal_all): Ditto.
3572 (struct variable_info): Add directly_dereferenced member.
3573 (var_escaped_vars): New variable.
3574 (escaped_vars_tree): Ditto.
3575 (escaped_vars_id): Ditto.
3576 (nonlocal_vars_id): Ditto.
3577 (new_var_info): Set directly_dereferenced.
3578 (graph_size): New variable
3579 (build_constraint_graph): Use graph_size.
3580 (solve_graph): Don't process constraints that cannot change the
3581 solution, don't try to propagate an empty solution to our
3583 (process_constraint): Set directly_dereferenced.
3584 (could_have_pointers): New function.
3585 (get_constraint_for_component_ref): Don't process STRING_CST.
3586 (nonlocal_lookup): New function.
3587 (nonlocal_insert): Ditto.
3588 (create_nonlocal_var): Ditto.
3589 (get_nonlocal_id_for_type): Ditto.
3590 (get_constraint_for): Allow results vector to be empty in the case
3591 of string constants.
3592 Handle results of calls properly.
3593 (update_alias_info): Update alias info stats on number and type of
3595 (find_func_aliases): Use could_have_pointers.
3596 (make_constraint_from_escaped): Renamed from
3597 make_constraint_to_anything, and changed to make constraints from
3599 (make_constraint_to_escaped): New function.
3600 (find_global_initializers): Ditto.
3601 (create_variable_info_for): Make constraint from escaped to any
3602 global variable, and from any global variable to the set of
3604 (intra_create_variable_infos): Deal with escaped instead of
3605 pointing to anything.
3606 (set_uids_in_ptset): Do type pruning on directly dereferenced
3608 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3609 (init_base_vars): Fix comment, and initialize escaped_vars.
3610 (need_to_solve): Removed.
3611 (find_escape_constraints): New function.
3612 (expand_nonlocal_solutions): Ditto.
3613 (compute_points_to_sets): Call find_escape_constraints and
3614 expand_nonlocal_solutions.
3615 (delete_points_to_sets): Don't fall off the end of the graph.
3616 (init_alias_heapvars): Initialize nonlocal_for_type and
3618 (delete_alias_heapvars): Free nonlocal_for_type and null out
3621 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3623 * fold-const.c (add_double): Rename to add_double_with_sign.
3624 Add 'unsigned_p' parameter and take it into account for the overflow.
3625 (mul_double): Rename to mul_double_with_sign.
3626 Add 'unsigned_p' parameter and take it into account for the overflow.
3627 (fold_div_compare): Call add_double_with_sign instead of add_double
3628 and mul_double_with_sign instead of mul_double, passing them the
3629 unsignedness of the type.
3630 * tree.h (add_double): Macroize.
3631 (add_double_with_sign): New prototype.
3632 (mul_double): Macroize.
3633 (mul_double_with_sign): New prototype.
3635 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3637 * config/score/crti.asm: New file.
3638 * config/score/crtn.asm: New file.
3639 * config/score/elf.h: New file.
3640 * config/score/mac.md: New file.
3641 * config/score/misc.md: New file.
3642 * config/score/mul-div.S: New file.
3643 * config/score/predicates.md: New file.
3644 * config/score/score7.md: New file.
3645 * config/score/score.c: New file.
3646 * config/score/score-conv.h: New file.
3647 * config/score/score.h: New file.
3648 * config/score/score.md: New file.
3649 * config/score/score-mdaux.c: New file.
3650 * config/score/score-mdaux.h: New file.
3651 * config/score/score-modes.def: New file.
3652 * config/score/score.opt: New file.
3653 * config/score/score-protos.h: New file.
3654 * config/score/score-version.h: New file.
3655 * config/score/t-score-elf: New file.
3656 * config.gcc: Add score*-*-* configurations(Update before).
3657 * doc/invoke.texi (Score Options): New section.
3658 * doc/md.texi (Score family): New section to document constraints.
3660 2006-10-19 Nick Clifton <nickc@redhat.com>
3662 * config/arm/arm.c: Fix spelling typo.
3664 2006-10-18 Tom Tromey <tromey@redhat.com>
3666 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3668 2006-10-18 Jan Hubicka <jh@suse.cz>
3671 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3674 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3676 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3677 TSI_SAME_STMT, since that's the desired entity.
3679 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3681 * config/s390/contraints.md: New file.
3682 * config/s390/s390-protos.h (s390_mem_constraint,
3683 s390_O_constraint_str, s390_N_constraint_str,
3684 s390_float_const_zero_p): Function prototypes added.
3685 * config/s390/s390.c (s390_extra_constraint_str,
3686 s390_const_double_ok_for_constraint_p,
3687 s390_const_ok_for_constraint_p): Functions removed.
3688 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3689 s390_float_const_zero_p): New functions.
3690 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3691 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3692 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3693 Macro definitions removed.
3694 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3695 s390_extra_constraint_str): Functions removed.
3697 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3698 Richard Sandiford <richard@codesourcery.com>
3701 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3702 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3704 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3706 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3707 (DWARF2_FRAME_REG_OUT): Likewise.
3708 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3709 (DWARF2_FRAME_REG_OUT): Likewise.
3711 2006-10-17 Paul Brook <paul@codesourcery.com>
3713 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3715 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3717 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3718 Standardize on "GNU Fortran" as the official name of the Fortran
3721 2006-10-16 Mike Stump <mrs@apple.com>
3723 * doc/invoke.texi (Darwin Options): Document -mkernel.
3724 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3726 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3727 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3728 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3729 (OS_MISSING_ALTIVEC): Add.
3730 * config/i386/i386.c (override_options): Add
3731 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3732 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3733 -mkernel, -static or -mdynamic-no-pic is given.
3734 (C_COMMON_OVERRIDE_OPTIONS): Add.
3735 * config/darwin.opt (fapple-kext): Add.
3737 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3738 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3740 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3741 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3742 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3743 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3744 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3745 (flag_mkernel): Add.
3746 (flag_apple_kext): Add.
3747 (TARGET_KEXTABI): Add.
3748 * config/darwin.c (darwin_handle_kext_attribute): Add.
3749 (DARWIN_VTABLE_P): Add.
3750 (darwin_binds_local_p): Add partial support for rebinding vtables
3752 (darwin_kextabi_p): Add.
3753 (darwin_override_options): Add.
3754 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3755 (darwin_kextabi_p): Add.
3756 (darwin_override_options): Add.
3757 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3758 __DYNAMIC__ and __STATIC__ here.
3760 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3762 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3763 Added mention of "make pdf" target, and Texinfo requirements for
3766 2006-10-16 DJ Delorie <dj@redhat.com>
3768 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3769 into the GOT in case we need a subreg of the address.
3771 2006-10-16 Richard Guenther <rguenther@suse.de>
3774 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3775 SSE builtin documentation. Document SSE2 builtins.
3777 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3779 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3780 symbol in the output file for non-shared links when -nostdlib or
3781 -nodefaultlibs isn't specified.
3783 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3784 posix thread support.
3786 2006-10-15 Jan Hubicka <jh@suse.cz>
3789 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3790 declared always_inline even when not inlining.
3792 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3793 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3794 Andrew Pinski <pinskia@gmail.com>
3797 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3799 2006-10-15 Jan Hubicka <jh@suse.cz>
3800 Richard Guenther <rguenther@suse.de>
3803 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3804 process_function_and_variable_attributes on all variables, including
3805 those discovered during cgraph construction phase.
3807 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3809 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3811 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3813 * config/i386/athlon.md (athlon_fist): Add fisttp.
3815 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3816 Ian Lance Taylor <ian@airs.com>
3819 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3820 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3823 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3825 * config/score/score.c, config/score/score.h: Fix comment
3828 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3831 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3834 2006-10-13 Eric Christopher <echristo@apple.com>
3836 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3838 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3841 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3842 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3843 alignment supported by 32-bit ELF.
3845 2006-10-13 Eric Christopher <echristo@apple.com>
3847 * config/darwin.c (darwin_emit_unwind_label): Strip
3848 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3850 2006-10-13 Richard Guenther <rguenther@suse.de>
3852 PR tree-optimization/29446
3853 * tree-vrp.c (fix_equivalence_set): Remove.
3854 (extract_range_from_assert): Do not call fix_equivalence_set.
3855 (debug_value_range): Print a newline.
3856 (compare_name_with_value): For equivalence sets with
3857 inconsistent value ranges conservatively bail out.
3858 (compare_names): Likewise.
3860 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3862 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3863 and MPFR for gfortran.
3865 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3867 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3868 alignment supported by 32-bit ELF.
3870 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3874 * c-typeck.c (digest_init): Always allow initializing vectors
3875 that have static storage duration with compound literals.
3876 * tree.c (build_type_attribute_qual_variant): New, based on
3877 build_type_attribute_variant.
3878 (build_type_attribute_variant): Rewrite using the former.
3879 (make_vector_type): Use build_type_attribute_qual_variant to build
3880 type variants. Use type_hash_canon on the others.
3882 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3883 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3885 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3887 2006-10-12 Jan Hubicka <jh@suse.cz>
3890 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3891 current_function_decl is set but current_function_scope is not.
3893 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3895 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3896 emit_insn to emit eh_return_internal instruction.
3897 (eh_return_internal): Explicitly set pc.
3899 2006-10-11 Richard Guenther <rguenther@suse.de>
3901 PR tree-optimization/28230
3902 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3903 to the correct place.
3905 2006-10-11 Richard Guenther <rguenther@suse.de>
3908 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3911 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3913 * configure.ac: Added pdf to "Make-hooks"
3914 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3915 targets and *.pdf file patterns in cleanup targets.
3916 * configure: Regenerated.
3918 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3920 * config/avr/predicates.md: New file.
3921 * config/avr/avr.md: Include it.
3922 (REG_SP): New constant.
3923 (peepholes): Use predicates.
3924 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3925 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3926 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3928 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3930 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3933 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3936 * builtins.c (var_decl_component_p): New function.
3937 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3938 single entry optimization to variables and components thereof.
3940 2006-10-10 Richard Guenther <rguenther@suse.de>
3942 PR rtl-optimization/29323
3943 * except.c (set_nothrow_function_flags): For functions
3944 that do not bind local bail out early.
3946 2006-10-10 Ben Elliston <bje@au.ibm.com>
3948 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3951 2006-10-09 Richard Henderson <rth@redhat.com>
3953 Revert emutls patch.
3955 2006-10-09 Richard Guenther <rguenther@suse.de>
3958 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3961 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3964 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3965 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3966 * configure: Regenerate.
3967 * config.in: Regenerate.
3969 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3971 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3973 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3975 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3976 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3977 Remove stray newline.
3979 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3981 * config/mips/mips.c (mips_classify_symbol): Do not return
3982 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3983 (mips_in_small_data_p): Tweak comments.
3985 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3987 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3989 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3991 * gimplify.c, sched-int.h: Fix comment typos.
3993 * sched-int.h: Fix comment typos.
3995 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3997 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3999 * sched-ebb.c (begin_schedule_ready): Use them.
4000 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4001 add_to_speculative_block, create_check_block_twin, speculate_insn,
4002 fix_jump_move, move_block_after_check): Ditto.
4003 * sched-rgn.c (new_ready): Ditto.
4005 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4007 PR rtl-optimization/29128
4008 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4009 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4010 allow interblock movement of speculation checks.
4012 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4015 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4016 casted to integer type.
4017 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4018 if they are significantly more expensive than [reg + index] ones.
4020 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4022 PR tree-optimization/29330
4023 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4024 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4025 on newly allocated ddrs.
4026 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4027 to VEC (loop_p, heap) pointer.
4028 (compute_data_dependences_for_loop): Adjust caller.
4029 (free_dependence_relations): Free DDR_LOOP_NEST.
4031 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4032 free DEPENDENCE_RELATIONS and DATAREFS.
4035 * builtins.c (expand_builtin_sync_operation,
4036 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4037 Use convert_to_mode to handle promoted arguments.
4039 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4041 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4043 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4045 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4047 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4049 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4050 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4051 Use <modeconstraint> instead of "r" as operand 1 constraint.
4053 2006-10-06 Olivier Hainque <hainque@adacore.com>
4055 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4056 Don't recurse on the pointed-to type.
4057 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4058 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4059 types with components of variable size.
4061 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4063 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4065 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4067 PR tree-optimization/29290
4068 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4072 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4073 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4076 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4077 the number of vector elements fill the rest with zeros.
4079 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4081 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4082 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4085 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4087 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4088 unnamed pattern into subsi3. Use correct constraints/predicates.
4089 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4090 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4092 2006-10-05 Ira Rosen <irar@il.ibm.com>
4094 * doc/loop.texi: Add data references analysis description.
4096 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4098 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4100 2006-10-04 Richard Henderson <rth@redhat.com>
4101 Jakub Jelinek <jakub@redhat.com>
4103 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4104 * builtin-types.def (BT_WORD): Make unsigned.
4105 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4106 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4107 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4108 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4109 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4110 * cgraph.c (decide_is_variable_needed): Look at force_output.
4111 Recurse for emulated tls.
4112 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4113 checks redundant with decide_is_variable_needed.
4114 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4115 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4117 * expr.c (emutls_var_address): New.
4118 (expand_expr_real_1): Expand emulated tls.
4119 (expand_expr_addr_expr_1): Likewise.
4120 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4121 * output.h (emutls_finish): Declare.
4122 * toplev.c (compile_file): Call it.
4123 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4124 address before wrapping in CONST.
4125 * varasm.c (emutls_htab, emutls_object_type): New.
4126 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4127 (get_emutls_object_name, get_emutls_object_type): New.
4128 (get_emutls_init_templ_addr, emutls_decl): New.
4129 (emutls_common_1, emutls_finish): New.
4130 (assemble_variable): When emulating tls, swap decls; generate
4131 constructor for the emutls objects.
4132 (do_assemble_alias): When emulating tls, swap decl and target name.
4133 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4135 * emutls.c: New file.
4136 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4137 tls_object for real tls.
4139 2006-10-04 Zack Weinberg <zackw@panix.com>
4141 Fix bug in constraint-check generator, reported by Rask Ingemann
4143 * genpreds.c (add_constraint): Don't remove anything from the
4145 (write_tm_constrs_h): Detect whether "op" argument is used, and
4146 mark it ARG_UNUSED if it isn't.
4147 (write_insn_const_int_ok_for_constraint): Skip the part of the
4148 expression that would test whether "op" (which is not available
4149 here) is a CONST_INT.
4151 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4154 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4156 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4158 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4159 current Leopard versions.
4160 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4162 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4164 * doc/install.texi: Fix typos.
4166 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4168 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4169 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4170 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4172 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4174 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4175 arg to be struct mach_header_64* instead.
4177 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4180 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4181 side effects after the outer expression's post side effects.
4183 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4185 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4186 comments to reflect actual behavior and relationship between
4187 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4189 * doc/c-tree.texi (Working with declarations): Fix documentation
4190 of FIELD_DECL likewise.
4192 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4195 * doc/extend.texi: Add used variable attribute description.
4197 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4200 * c.opt (Woverride-init): New.
4201 * c-opts.c (c_common_post_options): Default warn_override_init to
4203 * c-typeck.c (add_pending_init, output_init_element): Warn for
4204 overriding initializers without side effects.
4205 * doc/invoke.texi (-Woverride-init): Document.
4208 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4210 PR rtl-optimization/28096
4211 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4212 assignment has already been used as a destination earlier in the block.
4214 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4216 * builtins.c (expand_builtin_setjmp): Delete.
4217 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4218 <BUILT_IN_SETJMP_SETUP>: New case.
4219 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4220 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4221 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4222 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4223 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4224 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4225 (lower_function_body): Initialize it to false. If it is set to true
4226 at the end of the processing, emit the setjmp dispatcher.
4227 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4228 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4229 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4230 on the rhs of the assignment.
4231 (lower_builtin_setjmp): New function.
4232 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4233 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4234 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4235 to detect calls that can go to non-local labels. Use specific
4236 helper to create the abnormal edges associated with them.
4237 <MODIFY_EXPR>: Likewise.
4238 (make_abnormal_goto_edges): New function extracted from...
4239 (make_goto_expr_edges): ...here. Call it for computed gotos.
4240 (simple_goto_p): Minor tweak.
4241 (tree_can_make_abnormal_goto): New predicate.
4242 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4243 (tree_purge_dead_abnormal_call_edges): New function.
4244 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4245 (tree_purge_dead_abnormal_call_edges): Likewise.
4246 (make_abnormal_goto_edges): Likewise.
4247 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4248 Purge all dead abnormal edges if the call was in the last statement.
4249 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4250 (execute_fixup_cfg): If there are non-local labels in the function,
4251 scan the basic blocks and split them at calls that can go to non-local
4252 labels or add missing abnormal call edges. Write down the CFG in the
4254 (pass_fixup_cfg): Remove TODO_dump_func flag.
4255 * unwind-sjlj.c: Poison setjmp.
4256 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4257 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4258 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4259 (DONT_USE_BUILTIN_SETJMP): Document it.
4261 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4264 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4265 to 1 when __ppc64__ is defined.
4266 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4268 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4270 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4272 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4273 * config/ia64/unwind-hpux.c: Delete.
4275 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4277 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4278 on the element before gimplifying it, instead of punting if it is of
4281 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4283 * doc/loop.texi: New file.
4284 * doc/gccint.texi: Reference loop.texi.
4285 * Makefile.in (loop.texi): Add.
4287 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4289 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4291 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4292 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4294 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4296 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4298 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4300 * doc/install.texi: Document required versions of GMP and MPFR.
4302 2006-09-27 Paul Brook <paul@codesourcery.com>
4305 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4307 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4309 * reload1.c (alter_reg): Require the alignment of the stack slot to
4310 be at least reg_max_ref_width bytes.
4311 (scan_paradoxical_subregs): Record the largest width in
4314 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4318 * tree-nested.c (struct nesting_info): Added static_chain_added.
4319 (convert_call_expr): Set static_chain_added when adding static
4320 chain. Handle OMP_PARALLEL and OMP_SECTION.
4322 2006-09-25 Matthias Klose <doko@debian.org>
4324 * doc/invoke.texi: Add missing full stop.
4326 2006-09-25 Richard Henderson <rth@redhat.com>
4328 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4329 before cgraph_function_flags_ready.
4331 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4332 Adam Nemet <anemet@caviumnetworks.com>
4334 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4335 determine_common_wider_type): New functions.
4336 (get_computation_aff): Use them to simplify arithmetic between
4337 UBASE and CBASE if they are shortened from the same type.
4339 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4342 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4343 -2147483647 - 1 instead of 0x80000000.
4345 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4347 * flags.h (HONOR_NANS): Fix typo in comment.
4349 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4351 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4353 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4357 * tree.c (merge_attributes, attribute_list_contained): If both
4358 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4360 * c-typeck.c (comptypes_internal): Don't consider aggregates
4361 in different TUs as compatible if there one set of attributes is
4362 not a subset of the other type's attributes.
4363 (composite_type): Try harder not to create a new aggregate type.
4365 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4367 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4368 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4369 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4370 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4371 than replicating condition above.
4372 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4374 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4375 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4376 the linker by default.
4378 2006-09-22 Mike Stump <mrs@apple.com>
4380 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4383 2006-09-22 Richard Guenther <rguenther@suse.de>
4386 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4387 sort of stack variables stable.
4389 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4392 * explow.c (force_reg): Set REG_POINTER flag according to
4395 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4397 PR tree-optimization/28888
4398 * tree-if-conv.c (combine_blocks): Rewritten.
4399 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4400 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4402 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4404 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4407 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4409 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4411 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4413 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4415 2006-09-21 Roger Sayle <roger@eyesopen.com>
4418 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4419 dw_fde_current_label, to be the start of the function, i.e. the same
4420 value as dw_fde_begin.
4422 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4424 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4425 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4426 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4427 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4428 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4429 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4430 (abs<mode>2, neg<mode>2): Likewise.
4431 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4432 (*mips_abs_ps): New define_insn.
4434 2006-09-20 Josh Conner <jconner@apple.com>
4437 * calls.c (expand_call): Allow reuse of structure return stack
4440 2006-09-20 Paul Brook <paul@codesourcery.com>
4442 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4445 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4447 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4448 clean up terminology.
4450 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4453 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4454 with tablejumps in them.
4456 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4459 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4460 wrap it into TARGET_EXPR.
4462 2006-09-20 Eric Christopher <echristo@apple.com>
4464 * config/i386/i386.c (x86_fisttp): Remove.
4465 * config/i386/i386.h (x86_fisttp): Ditto.
4466 (TARGET_FISTTP): Ditto.
4468 2006-09-19 Eric Christopher <echristo@apple.com>
4470 * doc/tm.texi (OBJC_JBLEN): Describe.
4471 * config/i386/darwin.h (OBJC_JBLEN): Define.
4472 * config/rs6000/darwin.h: Ditto.
4474 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4476 PR rtl-optimization/21299
4477 * reload1.c (reload): Purge invalid ASMs in the final pass.
4479 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4482 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4483 pointers as legitimate constants.
4485 2006-09-19 Paul Brook <paul@codesourcery.com>
4488 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4490 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4492 PR tree-optimization/28887
4493 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4494 component parts from the reference.
4495 (gather_memory_references_ref): Record the reference without the
4496 nonaddressable component parts.
4498 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4501 * c-opts.c (c_common_handle_option): Ignore the -std options
4502 if the input language is assembly.
4504 2006-09-17 Ira Rosen <irar@il.ibm.com>
4507 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4509 (ptr_ptr_may_alias_p): Likewise.
4510 (record_record_differ_p): New function.
4511 (base_object_differ_p): Call record_record_differ_p.
4513 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4516 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4517 away for the expr argument.
4519 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4522 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4523 before using it for dumping after vectorizing loops.
4525 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4526 Jack Howarth <howarth@bromo.med.uc.edu>
4529 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4530 skip on error_mark_node.
4531 (rs6000_darwin64_record_arg_recurse): Likewise.
4533 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4535 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4536 * doc/rtl.texi: Remove related documentation.
4538 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4540 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4543 2006-09-15 Jim Wilson <wilson@specifix.com>
4545 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4546 Handle symbol offsets same as they are handled in ia64_expand_move
4549 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4551 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4552 Add forgotten parameter to the fprintf call.
4554 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4556 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4558 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4560 * doc/contrib.texi: Add my entry.
4562 2006-09-15 Nick Clifton <nickc@redhat.com>
4564 * doc/md.texi (Processor pipeline description): Fix typo in
4565 example of how to use the absence_set directive and reword the
4566 description to make it slightly easier to read.
4568 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4570 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4571 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4572 expanding the number of iterations.
4573 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4575 * cfgrtl.c (emit_insn_at_entry): New function.
4576 * rtl.h (emit_insn_at_entry): Declare it.
4577 * integrate.c (emit_initial_value_sets): Use it.
4579 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4581 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4583 (struct loop_work and related VEC declarations): Delete.
4584 (bfin_dump_loops): Print out new member bad.
4585 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4586 (bfin_scan_loop): Don't recurse.
4587 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4588 loops. No longer need to update outer loops if the current one is
4589 found bad. Move some validitiy checks to bfin_discover_loop.
4590 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4591 but changed not to check for nesting. Also changed to use the new bad
4593 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4594 time. Use bitmap based test to discover loop nesting.
4596 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4598 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4601 2006-09-14 Richard Guenther <rguenther@suse.de>
4602 Kazu Hirata <kazu@codesourcery.com>
4604 PR middle-end/28884.
4605 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4606 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4607 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4608 with TARGET_FUNCTION_VALUE.
4610 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4613 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4615 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4617 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4620 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4623 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4626 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4628 * basic_block.h (bb_has_eh_pred): Fix comment.
4630 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4632 * flow.c (calculate_global_regs_live): Invalidate eh registers
4633 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4634 (propagate_block): Handle eh registers as if they were set at basic
4636 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4638 * global.c (global_conflicts): Make eh registers to conflict with
4639 pseudos live at basic block begin.
4640 * basic_block.h (bb_has_eh_pred): New function.
4642 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4644 PR rtl-optimization/28982
4645 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4646 index of a PRE_MODIFY or POST_MODIFY address.
4647 * reload1.c (inc_for_reload): Use find_replacement on the original
4648 base and index registers.
4650 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4652 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4653 for -Os. Update __m128 alignment requirement.
4655 2006-09-13 Jan Hubicka <jh@suse.cz>
4657 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4659 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4661 PR rtl-optimization/28243
4662 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4663 the insn to which the note was originally attached.
4665 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4666 Roger Sayle <roger@eyesopen.com>
4668 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4669 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4670 on platforms that don't use dwarf for debug info.
4672 2006-09-12 Jason Merrill <jason@redhat.com>
4675 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4676 hard_frame_pointer_rtx after using it to update the frame pointer.
4678 2006-09-12 Roger Sayle <roger@eyesopen.com>
4680 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4681 (TARGET_ASM_CLOSE_PAREN): Likewise.
4682 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4683 (TARGET_ASM_CLOSE_PAREN): Likewise.
4685 2006-09-12 Roger Sayle <roger@eyesopen.com>
4688 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4689 frame information for frames larger than 512 Kbytes on Tru64 when
4690 using the native assembler.
4692 2006-09-12 Roger Sayle <roger@eyesopen.com>
4696 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4697 and symbols. Instead use the implementation from cse.c's hash_rtx.
4699 2006-09-12 Jan Hubicka <jh@suse.cz>
4701 PR rtl-optimization/28071
4702 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4703 (vect_transform_loop): Likewise.
4704 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4705 (new_loop_vec_info): Likewise.
4706 (destroy_loop_vec_info): Likewise.
4707 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4708 (create_stmt_ann): Likewise.
4709 (create_tree_ann): Rename to ...
4710 (create_tree_common_ann): ... this one; allocate only the common part
4712 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4713 (get_value_handle): Likewise.
4714 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4715 get_tree_common_ann.
4716 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4717 (vinfo_for_stmt): Use stmt annotations.
4718 * tree-flow.h (tree_ann_common_t): New type.
4719 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4720 (tree_ann, get_tree_ann, create_tree_ann): New.
4721 * tree-flow-inline.h (get_function_ann): Do more type checking.
4722 (stmt_ann): Likewise.
4723 (tree_ann): Rename to ...
4724 (tree_common_ann): ... this one; return ony common_ann
4725 (get_tree_ann): Rename to ...
4726 (tree_common_ann): This one; return only common_ann.
4727 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4730 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4732 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4733 with_cpu by default.
4735 * dwarf2out.c (dwarf_file_data): New.
4736 (enum dw_val_class): Add dw_val_class_file.
4737 (struct dw_val_struct): Add val_file.
4738 (file_table): Change to a hash table.
4739 (file_table_emitted): Delete.
4740 (file_table_last_lookup_index): Delete.
4741 (emitcount): Delete.
4742 (last_emitted_file): New.
4743 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4744 (init_file_table): Delete.
4745 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4746 (AT_addr): Add comment.
4750 (print_die): Handle dw_val_class_file.
4751 (print_dwarf_line_table): Update for new file table structure.
4752 (attr_checksum): Do checksum a filename.
4753 (same_dw_val_p, same_attr_p): Do compare a filename.
4754 (size_of_die): Handle dw_val_class_file.
4755 (value_format): Likewise.
4756 (output_die): Likewise. Also, call maybe_emit_file here.
4757 (struct file_info): Constify filenames. Make file_idx a pointer
4758 to a struct dwarf_file_data.
4759 (struct dir_info): Constify directory names. Remove 'used' field.
4760 (struct file_name_acquire_data): New.
4761 (file_name_acquire): New.
4762 (output_file_names): Modify to handle new file data structures.
4763 (add_src_coords_attributes): Use add_AT_file.
4764 (add_call_src_coords_attributes): Likewise.
4765 (dwarf2out_imported_module_or_decl): Likewise.
4766 (gen_subprogram_die): Modify for new file data structures.
4767 (gen_variable_die): Likewise.
4768 (file_table_eq): New.
4769 (file_table_hash): New.
4770 (file_table_last_lookup): New.
4771 (lookup_filename): Rewrite to handle new file data structures.
4772 (maybe_emit_file): Rewrite to handle new file data structures.
4773 (dwarf2out_source_line): Always call lookup_filename and
4775 (dwarf2out_init): Create file_table here.
4776 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4777 (file_table_relative_p): New.
4778 (dwarf2out_finish): Change detection of relative filenames
4779 to work with new file data structures. Move output_line_info call
4780 after debug_info output.
4782 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4787 * config/i386/i386.c (override_options): Always default to 16
4788 byte stack boundary.
4790 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4793 * var-tracking.c (dump_dataflow_set): Start dumping at
4795 (clobber_variable_part): Kill only the variable part in
4796 registers holding it, leaving other variables alone.
4798 2006-09-11 Josh Triplett <josh@freedesktop.org>
4800 * doc/extend.texi (Other Builtins): Actually use the macro
4801 argument in the documentation example for
4802 __builtin_types_compatible_p.
4804 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4806 PR rtl-optimization/28726
4807 * sched-deps.c (sched_analyze_reg): New function extracted from...
4808 (sched_analyze_1): ...here. Call it to analyze references to
4809 registers. Treat again writes to a stack register as writing to the
4811 (sched_analyze_2): ...and here. Call it to analyze references to
4812 registers. Treat again reads of a stack register as reading the
4815 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4816 David Edelsohn <edelsohn@gnu.org>
4819 * config/rs6000/spe.md (frob_df_di): Remove %H.
4820 (frob_di_df): Remove %H. Change evmergelo to mr.
4821 (frob_di_df_2): Remove %H. Change evldd to two loads.
4823 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4825 * doc/cpp.texi: Fix names of charset options.
4827 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4830 * config/i386/i386.c (override_options): Use 128-bit
4831 stack boundary always for 64bits.
4833 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4835 PR rtl-optimization/28636
4836 * combine.c (force_to_mode): Test for side-effects before
4837 substituting by zero.
4838 (simplify_shift_const): Likewise for zero or other constants.
4840 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4843 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4846 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4849 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4850 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4851 returned by mode_for_size, rather than the mode of src itself,
4852 to choose between 32-bit and 64-bit patterns.
4853 (mips_mem_fits_mode_p): New function.
4854 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4855 that the size of the source matches the size of the destination.
4856 (mov_<store>l, mov_<store>r): Likewise.
4858 2006-09-10 Eric Christopher <echristo@apple.com>
4860 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4863 2006-09-09 Eric Christopher <echristo@apple.com>
4866 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4869 2006-09-09 Roger Sayle <roger@eyesopen.com>
4870 Nicolas Setton <setton@adacore.com>
4872 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4874 2006-09-10 Andreas Schwab <schwab@suse.de>
4876 * config/m68k/m68k.md (bungt_rev): New pattern.
4878 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4879 Dale Johannesen <dalej@apple.com>
4882 * regclass.c (struct reg_pref): Update documentation.
4883 (regclass): Set prefclass to NO_REGS if memory is the best option.
4884 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4886 2006-09-08 Eric Christopher <echristo@apple.com>
4888 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4889 * config/t-slibgcc-darwin: Support x86_64 multilib.
4890 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4891 Return 1 for x86_64-darwin.
4892 * config/i386/t-darwin: Add m64 multilib.
4893 (LIB2_SIDITI_CONV_FUNCS): Use.
4894 (LIB2FUNCS_EXTRA): Ditto.
4895 * config/i386/darwin.h: Support x86_64.
4896 * config/i386/i386.c (override_options): Turn on flag_pic
4897 for x86_64-darwin. Disable flag_omit_pointer.
4898 (get_pc_thunk_name): Assert !TARGET_64BIT.
4899 (legitimate_address_p): Disable machopic addressing for
4901 (legitimize_pic_address): Ditto.
4902 (ix86_expand_move): Ditto.
4903 (ix86_expand_call): Ditto.
4904 (machopic_output_stub): Ditto.
4905 * config/darwin.c (machopic_select_section): Support literal16.
4906 (machopic_select_rtx_section): Ditto.
4907 * config/darwin-sections.def: Ditto.
4908 * config/darwin-64.c: New.
4910 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4913 * c-tree.h (struct c_arg_info): Add pending_sizes.
4914 * c-parser.c (c_parser_parms_declarator,
4915 c_parser_parms_list_declarator): Initialize pending_sizes.
4916 * c-decl.c (get_parm_info): Initialize pending_sizes.
4917 (get_parm_info): Set pending_sizes.
4918 (grokdeclarator): Call put_pending_sizes for parameters for
4919 function definition only.
4921 2006-09-07 Jason Merrill <jason@redhat.com>
4924 * varasm.c (output_constant): Only strip actual no-op conversions.
4927 * config/i386/i386.c (override_options): Use 128-bit
4928 stack boundary if -msse.
4930 2006-09-07 Eric Christopher <echristo@apple.com>
4932 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4934 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4937 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4939 * dwarf2out.c: Remove strange characters from comment above
4940 dwarf2out_frame_debug_expr.
4942 2006-09-07 Eric Christopher <echristo@apple.com>
4944 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4945 * config/darwin.h: ... to here.
4947 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4949 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4951 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4952 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4954 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4955 TARGET_PARTIAL_FLAG_REG_STALL.
4956 (*ashldi3_cconly_rex64): Likewise.
4957 (*ashlsi3_cmp): Likewise.
4958 (*ashlsi3_cconly): Likewise.
4959 (*ashlsi3_cmp_zext): Likewise.
4960 (*ashlhi3_cmp): Likewise.
4961 (*ashlhi3_cconly): Likewise.
4962 (*ashlqi3_cmp): Likewise.
4963 (*ashlqi3_cconly): Likewise.
4964 (*ashrdi3_cmp_rex64): Likewise.
4965 (*ashrdi3_cconly_rex64): Likewise.
4966 (*ashrsi3_cmp): Likewise.
4967 (*ashrsi3_cconly): Likewise.
4968 (*ashrsi3_cmp_zext): Likewise.
4969 (*ashrhi3_cmp): Likewise.
4970 (*ashrhi3_cconly): Likewise.
4971 (*ashrqi3_cmp): Likewise.
4972 (*ashrqi3_cconly): Likewise.
4973 (*lshrdi3_cmp_rex64): Likewise.
4974 (*lshrdi3_cconly_rex64): Likewise.
4975 (*lshrsi3_cmp): Likewise.
4976 (*lshrsi3_cconly): Likewise.
4977 (*lshrsi3_cmp_zext): Likewise.
4978 (*lshrhi3_cmp): Likewise.
4979 (*lshrhi3_cconly): Likewise.
4980 (*lshrqi2_cmp): Likewise.
4981 (*lshrqi2_cconly): Likewise.
4983 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4986 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4987 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4988 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4989 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4990 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4991 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4992 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4993 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4994 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4995 implement only CC setting effects of shift instructions.
4997 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4999 * doc/contrib.texi: Add myself.
5001 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5004 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5005 was set by the user.
5007 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5010 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5011 (divsi_inv_m1): Use them.
5012 (UNSPEC_DIV_INV_TABLE): New constant.
5014 2006-09-06 James E Wilson <wilson@specifix.com>
5017 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5018 then call count_or_remove_death_notes.
5020 2006-09-06 Jason Merrill <jason@redhat.com>
5023 * tree-inline.c (copy_result_decl_to_var): New fn.
5024 (declare_return_variable): Use it. Call declare_inline_vars here.
5025 (expand_call_inline): Not here.
5027 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5029 * doc/contrib.texi: Update my entry.
5031 2006-09-06 Nick Clifton <nickc@redhat.com>
5033 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5035 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5038 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5039 (canonicalize_induction_variables): Likewise.
5040 (tree_unroll_loops_completely): Likewise.
5041 (tree_ssa_prefetch_arrays): Likewise.
5042 (remove_empty_loops): Likewise.
5043 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5044 TODO_cleanup_cfg instead of directly calling
5045 cleanup_tree_cfg_loop.
5046 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5048 (tree_unroll_loops_completely): Likewise.
5049 (remove_empty_loops): Likewise.
5050 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5051 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5052 of tree_ssa_unswitch_loops.
5053 (tree_ssa_loop_ivcanon): Use the return value of
5054 canonicalize_induction_variables.
5055 (tree_ssa_empty_loop): Use the return value of
5057 (tree_complete_unroll): Use the return value of
5058 tree_unroll_loops_completely.
5059 (tree_ssa_loop_prefetch): Use the return value of
5060 tree_ssa_prefetch_arrays.
5061 * passes.c (execute_todo): Before Cleanup CFG, set
5062 updating_used_alone and after cleanup CFG, call
5063 recalculate_used_alone.
5065 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5068 * tree-vect-transform.c (vectorizable_condition): Move the check
5069 for the type after the check for simple condition.
5071 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5072 Kaz Kojima <kkojima@gcc.gnu.org>
5075 * mode-switching.c (optimize_mode_switching): Make the destination
5076 block of an abnormal edge have no anticipatable mode. Don't
5077 insert mode switching code at the end of the source block of
5080 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5082 PR rtl-optimization/26847
5083 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5084 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5085 (simplify_plus_minus): Count n_constants while filling ops. Replace
5086 qsort with insertion sort. Before going through the array to simplify
5087 pairs, sort it. Delay early exit until after the first sort, exiting
5088 only if no swaps occurred. Simplify pairs in reversed order, without
5089 special-casing the first iteration. Pack ops after simplifying pairs.
5091 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5093 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5094 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5095 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5096 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5098 2006-09-05 Richard Guenther <rguenther@suse.de>
5100 PR tree-optimization/28900
5101 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5102 compound conditional before creating COND_EXPR condition.
5104 2006-09-05 Richard Guenther <rguenther@suse.de>
5106 PR tree-optimization/28905
5107 * tree-vrp.c (fix_equivalence_set): Manually implement
5108 !value_ranges_intersect_p to also handle symbolic ranges.
5110 2006-09-05 Richard Guenther <rguenther@suse.de>
5113 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5116 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5118 PR rtl-optimization/27616
5119 * cse.c (table_size): New static variable.
5120 (new_basic_block): Initialize it to 0.
5121 (remove_from_table): Decrement it.
5122 (insert): Increment it.
5123 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5124 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5125 fold_rtx_mem_1 if under the cap.
5126 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5127 the lookup of the equivalent expression and test for equality of the
5128 first operand of the equivalent expression before in turn looking up
5129 an equivalent constant for the second operand.
5131 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5134 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5135 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5136 pointer, instead of assuming it is possible to derive the
5137 correct args size from a call insn.
5139 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5142 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5143 (fold_builtin_mempcpy): Rename to...
5144 (fold_builtin_memory_op): ... this. Optimize one element copy
5146 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5148 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5149 (expand_builtin_memcpy, expand_builtin_mempcpy,
5150 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5151 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5152 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5153 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5155 2006-09-01 DJ Delorie <dj@redhat.com>
5157 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5158 (stzx_16): Likewise.
5159 ("stzx_24_<mode>"): Likewise.
5160 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5161 ("cmp<mode>_op"): New.
5162 (cmp<mode>): Change to expander; just save operands.
5164 (b<code>): Change to expander, emit compare here.
5165 (s<code>_op): Change to use split and expander.
5166 (s<code>_24_op): Likewise.
5167 (s<code>_<mode>): New.
5168 (s<code>_<mode>_24): New.
5169 (movqicc_<code>_<mode): New.
5170 (movhicc_<code>_<mode>): New.
5173 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5174 (m32c_pend_compare): New.
5175 (m32c_unpend_compare): New.
5176 (m32c_expand_scc): New.
5177 (m32c_expand_movcc): Emit the compare also.
5178 * config/m32c/predicates.md (mra_nopp_operand): New.
5180 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5181 Richard Guenther <rguenther@suse.de>
5182 Adam Nemet <anemet@caviumnetworks.com>
5185 * builtins.c (get_pointer_alignment): Handle more forms
5186 of base addresses that can be used to derive more precise
5187 information about alignment.
5189 2006-09-01 Jason Merrill <jason@redhat.com>
5192 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5195 * gimplify.c (voidify_wrapper_expr): Handle null type.
5197 2006-09-01 Josh Conner <jconner@apple.com>
5200 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5201 (execute_return_slot_opt): Use it.
5203 2006-08-31 Josh Conner <jconner@apple.com>
5206 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5207 returning aggregates.
5209 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5211 PR tree-optimization/28839
5212 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5213 blocks in that phi arguments appear.
5215 2006-08-31 Roger Sayle <roger@eyesopen.com>
5218 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5219 NULL, otherwise use an advance_loc4 to adjust relative to the
5221 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5222 (dwarf2out_switch_text_section): Reset the current label to avoid
5223 using advance_loc4 over section boundaries.
5225 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5228 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5229 r12 + SYMBOLIC_CONST.
5231 2006-08-30 Richard Guenther <rguenther@suse.de>
5233 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5235 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5237 PR rtl-optimization/27735
5238 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5239 Add new argument to keep track of whether an irreducible region
5240 was affected. All callers changed.
5241 (fix_irreducible_loops): Removed.
5242 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5243 flags were invalidated.
5245 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5247 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5248 instead of SF operands.
5249 (*fop_df_comm_sse): Likewise.
5250 (*fop_df_comm_i387): Likewise.
5251 (*fop_df_1_mixed): Likewise.
5252 (*fop_df_1_sse): Likewise.
5254 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5255 J"orn Rennecke <joern.rennecke@st.com>
5257 PR tree-optimization/17506
5258 * tree-ssa.c (warn_uninit): If warning about a location outside of
5259 the current function, note where the variable was declared.
5261 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5263 PR tree-optimization/28411
5264 * double-int.c (double_int_div): Use double_int_divmod.
5265 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5266 double_int_mod, double_int_smod, double_int_umod): New functions.
5267 * double-int.h (double_int_divmod, double_int_sdivmod,
5268 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5270 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5272 (get_computation_aff, get_computation_cost_at): Handle double_int
5273 return type of constant_multiple_of.
5275 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5278 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5279 an implicit conversion.
5281 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5283 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5285 2006-08-27 Roger Sayle <roger@eyesopen.com>
5287 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5290 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5292 * config/i386/crtfastmath.c: Fix a comment typo.
5294 2006-08-26 Roger Sayle <roger@eyesopen.com>
5296 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5297 temporary visit flags on CASE_LABEL_EXPRs.
5298 * c-common.c (match_case_to_enum): Add function comment. Avoid
5299 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5300 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5301 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5302 a constant, only warn if that constant value isn't handled.
5304 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5307 * input.h (restore_input_file_stack): Declare.
5308 (INPUT_FILE_STACK_BITS): Define.
5309 * toplev.c (fs_p, input_file_stack_history,
5310 input_file_stack_restored, restore_input_file_stack): New.
5311 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5312 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5313 (pop_srcloc): Don't free old state of stack.
5315 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5318 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5319 (PowerPC Type Attributes): New.
5321 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5323 * config/xtensa/xtensa.c (function_arg_boundary): New.
5324 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5326 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5327 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5329 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5332 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5335 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5337 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5338 (verify_local_live_at_start): Likewise.
5340 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5343 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5344 omp_add_variable): Treat sizes as variable whenever not
5347 2006-08-26 Richard Guenther <rguenther@suse.de>
5350 * fold-const.c (fold_binary): Fold temporary to correct
5351 type before constructing new comparison.
5353 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5356 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5357 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5359 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5362 * c-decl.c (start_function): Don't try to process prototype
5363 information from old declaration that isn't a function.
5365 2006-08-25 Jan Hubicka <jh@suse.cz>
5368 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5370 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5373 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5376 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5378 PR tree-optimization/16876
5379 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5380 exit if PARM doesn't match VALUE.
5382 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5384 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5385 literal_prefix directive.
5386 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5387 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5388 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5390 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5393 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5394 predicate to general_operand. Add 0->y and I->r alternatives.
5396 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5398 * doc/tm.texi: Fix a typo.
5399 * predict.c: Fix comment typos.
5401 2006-08-25 Nick Clifton <nickc@redhat.com>
5403 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5404 assertions of "cpu" and "machine".
5406 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5409 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5410 the access through a base which has an alias set of 0 cannot
5413 2006-08-24 Bill Wendling <wendling@apple.com>
5415 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5417 2006-08-24 Jan Hubicka <jh@suse.cz>
5419 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5421 2006-08-24 Jan Hubicka <jh@suse.cz>
5424 * cgraph.c: Fix comments.
5425 (cgraph_varpool_mark_needed_node): Mark only variables not already
5427 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5428 (cgraph_varpool_assembled_nodes_queue): New static variable.
5429 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5430 (cgraph_varpool_output_debug_info): New function.
5431 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5432 * Makefile.in: Add gt-cgraphunit.h
5434 2006-08-24 Jan Hubicka <jh@suse.cz>
5436 * predict.c (probability_reliable_p): New predicate.
5437 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5438 (predict_loops): Do not predict loop exit with less than 2%
5440 * basic-block.h (edge_probability_reliable_p,
5441 br_prob_note_reliable_p): Declare.
5442 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5443 prediction when static predictor is not reliable.
5444 * rs6000.c (output_cbranch): Likewise.
5446 2006-08-23 Stuart Hastings <stuart@apple.com>
5449 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5450 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5452 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5455 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5456 complex values, nor for generic vector values.
5458 2006-08-22 Richard Guenther <rguenther@suse.de>
5461 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5462 parameter. Convert arguments to arithmetic expression to the
5464 (analyze_scalar_evolution_1): Adjust caller.
5466 2006-08-22 Jan Hubicka <jh@suse.cz>
5468 Patch by Paolo Bonzini
5469 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5472 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5474 PR tree-optimization/28003
5475 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5476 before grouping aliases.
5478 2006-08-22 Roger Sayle <roger@eyesopen.com>
5480 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5481 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5483 2006-08-21 Jason Merrill <jason@redhat.com>
5486 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5487 wrapper. Loop to handle nested wrappers.
5488 (gimplify_bind_expr): Remove temp parameter.
5489 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5490 and STATEMENT_LIST on the rhs.
5491 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5492 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5493 (gimplify_target_expr): Remove special BIND_EXPR handling.
5495 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5497 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5500 2006-08-21 Olivier Hainque <hainque@adacore.com>
5502 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5503 Arrange for the temporary captures of components overlapping the lhs
5504 to happen before the lhs is possibly cleared.
5506 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5508 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5509 necessary places to pass the correct "number of registers" values
5512 2006-08-20 Jan Hubicka <jh@suse.cz>
5514 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5515 (create_name_tags): Instead of quadratic checking use hashtable.
5516 * bitmap.h: Include hashtab.h.
5517 (bitmap_hash): Declare.
5518 * bitmap.c (bitmap_hash): New function.
5520 2006-08-20 Jan Hubicka <jh@suse.cz>
5522 PR rtl-optimization/28071
5523 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5525 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5526 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5527 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5528 cgraph_decide_inlining_incrementally): Update use of
5529 cgraph_check_inline_limits.
5530 * cgraph.c (edge_hash, edge_eq): New function.
5531 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5532 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5533 cgraph_remove_node): Maintain call site hash.
5534 * cgraph.h (struct cgraph_node): Add call_site_hash.
5535 (cgraph_set_call_stmt): New function.
5537 2006-08-20 Jan Hubicka <jh@suse.cz>
5539 PR rtl-optimization/28071
5540 * reload1.c (reg_has_output_reload): Turn into regset.
5541 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5542 choose_reload_regs, emit_reload_insns): Update to new
5543 reg_has_output_reload.
5545 2006-08-20 Jan Hubicka <jh@suse.cz>
5548 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5549 function body sizes.
5550 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5552 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5555 * tree.c (handle_dll_attribute): Return early if not a
5556 var or function decl.
5558 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5561 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5562 alignment of SPE vector types.
5564 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5566 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5568 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5571 * cgraph.h (struct cgraph_node): Remove externally_visible
5573 * cgraphunit.c (process_function_and_variable_attributes): Set
5574 local.externally_visible rather than externally_visible.
5577 * c-common.c (handle_externally_visible_attribute): First look
5578 at TREE_CODE and only if it is function or var decl, check for
5579 non-public objects. Don't warn for DECL_EXTERNAL.
5580 * cgraphunit.c (process_function_and_variable_attributes): Warn
5581 if externally_visible attribute is used on non-public object.
5583 2006-08-17 Jan Hubicka <jh@suse.cz>
5585 PR tree-optimization/27865
5586 * reload1.c (forget_marked_reloads): New function.
5587 (forget_old_reloads_1): When data are passed, just mark the registers
5589 (reload_as_needed): Use the new mechanizm.
5591 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5594 * reload.h (reg_equiv_alt_mem_list): New declaration.
5595 * reload1.c (reg_equiv_alt_mem_list): New definition.
5596 (reload): Initialize it and release it.
5597 (delete_output_reload): Use it.
5598 * reload.c (push_reg_equiv_alt_mem): New function.
5599 (find_reloads_toplev): Call it.
5600 (find_reloads_address, find_reloads_address_1): Likewise.
5601 (find_reloads_subreg_address): Likewise.
5603 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5605 PR rtl-optimization/28489
5606 * sched-ebb.c (begin_schedule_ready): Create basic block
5608 (advance_target_bb): Skip empty blocks.
5609 * haifa-sched.c (bb_note): Make global.
5610 * sched-int.h (bb_note): Add prototype.
5612 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5614 PR tree-optimization/27865
5615 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5617 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5618 fold_used_pointer, pointer_used_p): New functions.
5619 (analyze_scalar_evolution_1): Use fold_used_pointer.
5620 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5621 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5624 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5627 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5628 or the INTEGER_CST. Fail on a CALL_EXPR.
5629 (fold_offsetof): Pass new argument to fold_offsetof_1.
5630 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5631 operand into an INDIRECT_REF.
5632 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5634 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5636 PR gcov/profile/26570
5637 * value-prof.c (static_values): Removed.
5638 (tree_find_values_to_profile): Do not set static_values.
5639 (find_values_to_profile): Do not free static_values.
5640 * profile.c (instrument_values): Do not free the values.
5641 (branch_prob): Free the values.
5643 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5645 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5647 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5650 * c-typeck.c (build_component_ref): Combine qualifiers of
5651 structure or union and field.
5653 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5655 PR rtl-optimization/28071
5656 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5657 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5658 * tree-into-ssa.c (struct dom_dfsnum): New.
5659 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5661 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5662 compute_global_livein.
5663 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5664 in phi nodes in the correct blocks.
5666 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5668 PR tree-optimization/28364
5669 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5671 (fold_affine_expr): New function.
5672 (may_eliminate_iv): Use fold_affine_expr.
5674 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5677 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5680 2006-08-16 Mike Stump <mrs@apple.com>
5682 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5683 * doc/cppopts.texi (-MD): Likewise.
5685 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5688 * c-common.c (handle_weak_attribute): Ignore and warn if
5689 not a FUNCTION_ or VAR_DECL.
5691 2006-07-15 Mike Stump <mrs@apple.com>
5694 * c-parser.c (c_parser_typeof_specifier): Don't use
5695 c_finish_expr_stmt, open code desired semantics instead.
5697 2006-08-15 Nick Clifton <nickc@redhat.com>
5699 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5700 fragment to tmake_file only if threads are enabled.
5701 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5702 * config/i386/t-gthr-win32: New file. ... here.
5704 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5707 * c-parser.c (c_parser_compound_statement_nostart): Reset
5708 parser->error after each statement.
5710 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5713 * omp-low.c (lower_omp_parallel): Convert t to
5714 receiver_decl's type.
5715 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5716 source before comparison.
5719 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5720 to itype in assignment to oldival2.
5722 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5726 * c-typeck.c (build_compound_expr): If the second expression
5727 is an error mark, then just return an error mark instead of
5728 creating a COMPOUND_EXPR.
5730 2006-07-14 Mike Stump <mrs@apple.com>
5732 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5734 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5736 * c-decl.c, var-tracking.c: Fix comment typos.
5738 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5740 PR rtl-optimization/28634
5741 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5742 for floating-point modes unless flag_unsafe_math_optimizations.
5744 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5745 Andrew Pinski <pinskia@physics.uc.edu>
5748 * tree.c (build_array_type): Unify array types with
5749 unspecified index_type.
5750 * c-decl.c (grokdeclarator): Make sure we do not modify a
5751 unified incomplete array type.
5752 * c-typeck.c (store_init_value): Create distinct type before
5753 filling in the index type in an initializer from a compound
5756 * c-decl.c (grokdeclarator): Remove code where we copy the
5759 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5761 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5762 into account for TODO_dump_cgraph.
5763 (TODO_update_ssa_no_phi): Likewise.
5764 (TODO_update_ssa_full_phi): Likewise.
5765 (TODO_update_ssa_only_virtuals): Likewise.
5766 (TODO_remove_unused_locals): Likewise.
5767 (TODO_set_props): Likewise.
5768 (TODO_update_stmt_usage): Likewise.
5770 2006-08-13 Dirk Mueller <dmueller@suse.de>
5772 * c-common.c (strict_aliasing_warning): Fix formatting.
5774 2006-08-13 Matthias Klose <doko@debian.org>
5776 * doc/invoke.texi: Fix spelling errors.
5778 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5780 PR rtl-optimization/23454
5781 * reorg.c (relax_delay_slots): Update comment.
5783 2006-08-11 Richard Guenther <rguenther@suse.de>
5786 * simplify-rtx.c (simplify_const_relational_operation):
5787 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5790 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5792 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5793 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5795 2006-08-10 Paul Brook <paul@codesourcery.com>
5797 * final.c (final_scan_insn): Clear current_insn_predicate before
5798 outputting inline asm.
5800 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5802 PR tree-optimization/26197
5803 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5804 get_ref_base_and_extent and overlap_subvar to add only relevant
5805 subvars as may-aliases.
5806 (add_may_alias_for_new_tag): New function, factored out of
5808 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5809 with additional argument.
5810 * tree-flow.h (new_type_alias): Takes additional argument.
5812 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5814 * gcov.c (no_data_file): New flag.
5815 (read_count_file): Set it if data file not present. Assume counts
5817 (output_lines): Don't name the data file, if there wasn't one.
5819 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5821 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5822 (rs6000_generate_compare): Tweak comments.
5823 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5825 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5827 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5828 (var_debug_decl): New function.
5829 (var_reg_set): Follow debug decl link. Add location even if
5830 reg is already known to hold some other variable.
5831 (var_mem_set): Follow debug decl link.
5832 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5833 decl link. Delete other known locations of the variable part
5835 (var_reg_delete, var_mem_delete): Delete other known locations
5836 of the variable part if requested.
5837 (same_variable_part_p): New function.
5838 (add_stores): Select MO_COPY when appropriate.
5839 (vt_initialize): Handle it.
5840 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5841 known locations for MO_SET and MO_CLOBBER.
5842 (find_variable_location_part): New function.
5843 (set_variable_part, delete_variable_part): Use it.
5844 (clobber_variable_part): New function.
5845 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5848 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5850 PR tree-optimization/26969
5851 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5852 with an empty list of PHIs.
5854 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5858 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5861 2006-08-06 Andreas Schwab <schwab@suse.de>
5863 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5864 string. Whitespace and comment fixup.
5866 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5869 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5873 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5876 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5878 2006-08-04 Jan Hubicka <jh@suse.cz>
5882 * reload.c (push_reload): Patch out the mismatching instruction;
5884 (find_reload): Bail out if the instruction was patched out.
5886 2006-08-04 Jan Hubicka <jh@suse.cz>
5888 PR tree-optimization/24888
5889 * tree-inline.c (expand_call_inline): Do not re-record variables.
5890 (declare_inline_vars): Add variable to unexpanded_var_list.
5892 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5893 Roger Sayle <roger@eyesopen.com>
5895 PR rtl-optimization/26244
5896 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5897 inner_const are negative or greater than or equal to the bitsize of
5898 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5899 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5900 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5901 CONST0_RTX (mode) when the new shift count is greater than or equal to
5902 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5905 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5907 * tree-cfg.c: Fix a comment typo.
5909 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5912 * varasm.c (output_constant): Give the front end another chance to
5913 expand constants, after stripping NOPs.
5915 2006-08-03 Jan Hubicka <jh@suse.cz>
5917 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5920 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5922 PR tree-optimization/27770
5923 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5924 declaration removed (moved to tree-flow.h).
5925 (vect_can_force_dr_alignment_p): Likewise.
5926 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5927 (moved from tree-vectorizer.h).
5928 (vect_can_force_dr_alignment_p): Likewise.
5929 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5930 from outside the vectorizer - in particular from cgraph stage.
5931 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5932 the alignment of global arrays when -fsection-anchors is enabled.
5933 * cgraphunit.c (cgraph_increase_alignment): New function.
5934 (cgraph_optimize): Call cgraph_increase_alignment.
5936 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5939 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5940 not reload a SPE symbol_ref into a lo_sum address.
5942 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5945 * dwarf2out.c (prune_unused_types_prune): Move call to
5946 prune_unused_types_update_strings to cover the parent DIE also.
5948 2006-08-02 Jan Hubicka <jh@suse.cz>
5950 PR gcov/profile/28480
5951 * tree-cfg.c (change_bb_for_stmt): New function.
5952 (tree_merge_blocks, tree_split_blocks): Use it.
5954 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5960 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5961 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5962 (cgraph_optimize): Likewise.
5964 2006-08-01 Stuart Hastings <stuart@apple.com>
5966 * rtl.h (UINTVAL) New.
5967 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5968 * testsuite/gcc.dg/20060801-1.c: New.
5970 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5973 * c-typeck.c (build_external_type): Mark used enum types.
5974 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5976 (gen_subprogram_die): Whitespace fix.
5978 2006-08-01 Jan Hubicka <jh@suse.cz>
5980 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5981 bitmap when not needed.
5982 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5985 2006-08-01 Dirk Mueller <dmueller@suse.de>
5987 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5989 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5991 * Makefile.in: Revert part of previous patch:
5992 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5995 2006-07-30 Eric Christopher <echristo@apple.com>
5998 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5999 (PowerPC Variable Attributes): New section.
6001 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6003 PR target/28126 (partial fix)
6004 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6006 2006-07-28 Jan Hubicka <jh@suse.cz>
6008 PR rtl-optimization/28071
6009 * cfgrtl.c (rtl_delete_block): Free regsets.
6010 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6012 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6014 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6015 and variables used in dependencies.
6017 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6019 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6020 %fs for -mcmodel=kernel.
6021 (stack_tls_protect_test_di): Likewise.
6023 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6025 * Makefile.in: Use mkinstalldirs.
6027 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6030 * opts-common.c (prune_options): Skip joined switches.
6032 2006-07-27 Jan Hubicka <jh@suse.cz>
6034 PR rtl-optimization/28071
6035 * cselib.c (cselib_process_insn): Don't remove useless values too
6036 often for very large hashtables.
6038 2006-07-27 Jan Hubicka <jh@suse.cz>
6040 PR rtl-optimization/28071
6041 * global.c (greg_obstack): New obstack.
6042 (allocate_bb_info): Use it.
6043 (free_bb_info): Likewise.
6044 (modify_reg_pav): Likewise.
6046 2006-07-27 Roger Sayle <roger@eyesopen.com>
6048 * builtins.c (fold_fixed_mathfn): When long and long long are the
6049 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6050 functions to their lceil*, lfloor*, lround* and lrint* forms.
6052 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6055 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6057 (rev_branch_insn): Likewise.
6059 2006-07-27 Jan Hubicka <jh@suse.cz>
6061 PR rtl-optimization/28071
6062 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6063 (reg_set_in_bb, max_reg_computed): New static variables.
6064 (regmove_optimize): Free the new array.
6065 (fixup_match_1): Update call of reg_is_remote_constant_p.
6067 2006-07-26 Jan Hubicka <jh@suse.cz>
6069 PR tree-optimization/27882
6070 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6072 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6074 (cgraph_analyze_compilation_unit): Likewise.
6075 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6076 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6077 (cgraph_early_inlinine): Make order garbage collected.
6078 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6080 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6082 * dbxout.c (output_types_sort): Add a comment.
6083 (output_used_types): Free the VEC.
6085 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6087 * function.c (reorder_fix_fragments): Delete.
6088 (reorder_blocks): Don't call it.
6089 (reorder_blocks_1): Put all subblocks under the origin block.
6091 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6093 PR rtl-optimization/27907
6094 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6097 2006-07-25 Roger Sayle <roger@eyesopen.com>
6100 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6101 bar(x) check that bar's result type can represent all the values of T.
6103 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6105 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6107 2006-07-25 Nick Clifton <nickc@redhat.com>
6109 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6110 size_lookup[] array.
6111 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6112 (ggc_pch_count_object): Likewise.
6113 (ggc_pch_alloc_object): Likewise.
6114 (ggc_pch_write_object): Likewise.
6115 (init_ggc): Do not attempt to initialize entries in the
6116 size_lookup[] array for objects whose size is greater than than
6117 the length of the array.
6119 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6121 * dbxout.c (output_used_types_helper): Push queued types
6123 (output_types_sort): New.
6124 (output_used_types): Collect used types on a VEC and sort them
6127 2006-07-24 Richard Guenther <rguenther@suse.de>
6130 * cgraph.c (cgraph_remove_node): Do not check if dumps
6132 * cgraphunit.c (cgraph_optimize): Likewise.
6134 2006-07-24 Jan Hubicka <jh@suse.cz>
6136 PR rtl-optimization/28071
6137 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6138 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6139 splitting before first stmt.
6141 2006-07-24 Jan Hubicka <jh@suse.cz>
6143 PR rtl-optimization/28071
6144 * ipa-inline.c (update_caller_keys): Remove edges that
6145 are no longer inline candidates.
6147 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6150 * dbxout.c (output_used_types_helper, output_used_types): New.
6151 (dbxout_symbol): Call output_used_types.
6153 2006-07-23 Jan Hubicka <jh@suse.cz>
6157 * cgraph.c (cgraph_varpool_nodes): Export.
6158 (decide_is_variable_needed): Ignored "used" attribute in
6159 unit-at-a-time mode.
6160 * cgraph.h (cgraph_varpool_nodes): Declare.
6161 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6162 unit-at-a-time mode.
6164 2006-07-23 Roger Sayle <roger@eyesopen.com>
6167 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6168 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6169 the __gthrw form of thr_keycreate.
6170 (__gthread_key_delete): Silence the unused argument warning.
6172 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6175 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6176 Cache the last found '\0' marker to avoid quadratic behavior.
6178 2006-07-23 Jan Hubicka <jh@suse.cz>
6180 * i386.md (subsi_3_zext): Fix output template.
6182 2006-07-21 Mike Stump <mrs@apple.com>
6184 * doc/invoke.texi (C++ Dialect Options): Note that
6185 -fvisibility-inlines-hidden doesn't affect explicitly
6186 instantiationed inline methods.
6188 2006-07-20 Roger Sayle <roger@eyesopen.com>
6190 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6191 if the target assembler is GNU binutils' gas.
6192 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6193 whether to pass GNU gas or native as command line options.
6195 2006-07-20 Jason Merrill <jason@redhat.com>
6197 * tree.c (remove_attribute): New fn.
6198 * tree.h: Declare it.
6200 2006-07-20 Paul Brook <paul@codesourcery.com>
6203 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6204 they are invalidated by this instruction.
6206 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6209 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6211 2006-07-20 Eric Christopher <echristo@apple.com>
6214 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6216 2006-07-19 Eric Christopher <echristo@apple.com>
6218 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6219 Rewrite dependencies for libgcc_s.1.dylib.
6221 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6223 * except.c (duplicate_eh_regions_1): Clear next_peer.
6225 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6227 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6228 -mlongcall does not guarantee all calls will be long.
6229 * doc/extend.texi (long_call/short_call): Document that longcall
6230 does not guarantee a long call will be used.
6231 (longcall/shortcall): Likewise.
6233 2006-07-18 Roger Sayle <roger@eyesopen.com>
6236 * expmed.c (expand_shift): Additionally check that the shift_cost
6237 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6238 before implementing a LSHIFT_EXPR as a sequence of additions.
6239 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6240 middle-end that DImode shifts need to be synthesized by expand.
6242 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6245 * tree-ssa-operands.c (access_can_touch_variable): Update
6247 Return true if ALIAS is .GLOBAL_VAR.
6249 2006-07-18 David Daney <ddaney@avtrex.com>
6251 * gcc.c (display_help): Fix typo in help text.
6253 2006-07-18 Olivier Hainque <hainque@adacore.com>
6255 * tree.h (categorize_ctor_elements): Adjust prototype and add
6256 descriptive comment, both in accordance with the interface change
6258 * varasm.c (constructor_static_from_elts_p): New function.
6259 Whether a constructor node is a valid static constant initializer
6260 if all its elements are.
6261 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6262 * output.h: Declare it.
6263 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6264 is a valid constant initializer instead of computing the number of
6265 non-constant elements. Use constructor_static_from_elts_p for this
6266 purpose. Replace the head comment with an indication that this is a
6267 helper for categorize_ctor_elements.
6268 (categorize_ctor_elements): Same interface change as for the _1
6269 helper. Former head comment from this helper moved here, adjusted to
6270 account for the interface changes.
6271 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6272 (all_zeros_p): Likewise.
6273 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6274 static versions of the constructor from the categorize_ctor_elements
6275 return value instead of the formerly computed number of non-constant
6278 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6280 * configure: Regenerate.
6281 * Makefile.in (build_libsubdir): New configure substitution
6282 (build_libobjdir): New variable.
6283 (BUILD_LIBIBERTY): Use it.
6285 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6288 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6290 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6293 * c-common.c (handle_weakref_attribute): Ignore attribute in
6294 the same conditions the alias attribute is ignored.
6296 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6298 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6299 (dbxout_begin_prologue): Increment scope_labelno.
6301 2006-07-17 Richard Henderson <rth@redhat.com>
6304 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6307 2006-07-17 Roger Sayle <roger@eyesopen.com>
6308 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6310 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6311 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6312 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6313 functions such as sbrk, write, etc.. Add function prototypes.
6314 Convert function declarations from K&R to ISO C. Cast pointers
6315 to "long" and "unsigned long" instead of "int" and "unsigned int".
6316 Convert tokens following #endif into comments.
6318 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6320 * invoke.texi: Remove mention of f77; Reformat table for
6321 inline parameter options correctly; mention that -malign-double
6322 is default on x86-64 targets.
6324 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6326 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6327 (convert_affine_scev, chrec_convert_aggressive): Use
6328 avoid_arithmetics_in_type_p. Do not check for the subtypes
6331 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6334 * optabs.c (expand_doubleword_shift): Wrap the call to
6335 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6337 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6340 * optabs.c (expand_binop): Pass next_methods rather than methods
6341 to expand_doubleword_shift.
6343 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6346 * tree.h (dump_addr): Declare.
6347 * print-tree.c (dump_addr): New function.
6348 (print_node_brief, print_node): Use it.
6349 * print-rtl.c (print_rtx): Likewise.
6350 * common.opt (-fdump-noaddr): New option.
6351 * doc/invoke.texi (-fdump-noaddr): Document.
6352 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6353 (ve_info_hash): Likewise.
6355 2006-07-13 Andrew Haley <aph@redhat.com>
6357 PR tree-optimization/19505
6358 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6359 edge leaving this block, make sure that the destination of this
6360 block has only one predecessor.
6362 2006-07-17 Richard Guenther <rguenther@suse.de>
6364 PR tree-optimization/28238
6365 * tree-inline.c (copy_bb): Check if we produced valid
6366 gimple copying and substituting a stmt. If not, gimplify
6369 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6371 * optabs.c (maybe_encapsulate_block): New function extracted from...
6372 (emit_libcall_block): ...here. Invoke it on the block of insns to
6373 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6374 (emit_no_conflict_block): Likewise.
6376 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6378 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6380 2006-07-15 Roger Sayle <roger@eyesopen.com>
6382 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6383 a new NOP_EXPR case of the switch statement.
6385 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6388 * stor-layout.c (place_field): Take the bit field with
6389 an excessive size into account in the ms-bitfiled case.
6392 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6393 the previous bit field.
6395 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6398 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6400 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6402 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6403 signal frames correctly even when the signal was installed with
6406 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6408 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6409 (dbxout_function_end): Use local label LFBB. Remove hook
6411 (dbxout_source_line): Use local label LFBB.
6412 (dbxout_block): Likewise.
6413 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6414 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6415 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6416 and DBX_OUTPUT_NFUN.
6418 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6420 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6422 2006-07-13 Jan Hubicka <jh@suse.cz>
6424 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6426 * output.h (align_variable): Declare.
6427 * varasm.c (align_variable): Export.
6428 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6429 when basic block changed.
6431 2006-07-13 Nick Clifton <nickc@redhat.com>
6433 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6434 walking the LOG_LINKS chain.
6436 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6438 * doc/invoke.texi (C++ Dialect Options): Explain difference
6439 between -fvisibility-inlines-hidden and setting hidden
6440 visibility explicitly.
6442 2006-07-12 Eric Christopher <echristo@apple.com>
6444 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6445 (stmp-lipo): Depend on libgcc.a.
6447 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6449 * tree.c: Fix a comment typo.
6451 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6453 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6455 (umulhisi3_r): Likewise.
6457 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6460 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6461 x < 19, vs wchar_t support.
6463 2006-07-12 Nick Clifton <nickc@redhat.com>
6465 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6466 instead of -isa=sh4.
6468 2006-07-12 Mike Stump <mrs@apple.com>
6470 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6472 2006-07-10 Eric Christopher <echristo@apple.com>
6474 * config/t-slibgcc-darwin: Rewrite.
6476 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6479 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6482 2006-07-08 Matthias Klose <doko@debian.org>
6484 * doc/sourcebuild.texi: Fix typo.
6486 2006-07-07 Mike Stump <mrs@apple.com>
6488 * toplev.c (process_options): Don't give -ffunction-sections may
6489 affect debugging warning for Mach-O.
6491 2006-07-07 James E Wilson <wilson@specifix.com>
6493 * config/mips/mips.md (cpu): Add sb1a.
6494 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6495 addition to sb1. Adjust comments to clarify SB-1A differences from
6497 (ir_sb1a_load): New. Modify bypasses to use it.
6498 (ir_sb1a_simple_alu): Likewise.
6499 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6500 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6501 (mips_issue_rate): Add PROCESSOR_SB1A.
6502 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6503 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6504 (TARGET_SB1): Add PROCESSOR_SB1A check.
6505 (TUNE_SB1): Likewise.
6507 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6508 * config/mips/mips.c (mips_store_data_bypass_p): New.
6509 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6510 store_data_bypass_p.
6512 2006-07-08 Paul Brook <paul@codesourcery.com>
6515 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6517 2006-07-07 Richard Guenther <rguenther@suse.de>
6520 * tree.h (build_one_cst): Declare.
6521 * tree.c (build_one_cst): New function.
6522 * tree-ssa-math-opts.c (get_constant_one): Remove.
6523 (insert_reciprocals): Use build_one_cst.
6524 * fold-const.c (fold_plusminus_mult): Likewise.
6526 2006-07-07 Roger Sayle <roger@eyesopen.com>
6528 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6529 * cfgloopanal.c (dump_graph): Likewise.
6530 * dojump.c (discard_pending_stack_adjust): Likewise.
6531 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6533 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6534 * function.c (finalize_block_changes): Likewise.
6535 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6536 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6537 * rtl.c (dump_rtx_statistics): Likewise.
6538 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6540 * varray.c (dump_varray_statistics): Likewise.
6541 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6542 decode_decimal64, encode_decimal128, decode_decimal128,
6543 decimal_real_to_decimal): Likewise.
6545 2006-07-07 Richard Guenther <rguenther@suse.de>
6547 PR tree-optimization/28187
6548 * tree-vrp.c (vrp_operand_equal_p): New function.
6549 (vrp_bitmap_equal_p): Likewise.
6550 (update_value_range): Use them to compare old and new
6553 2006-07-06 Roger Sayle <roger@eyesopen.com>
6555 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6556 a default case to switch statement to silence compiler warnings.
6558 2006-07-06 Roger Sayle <roger@eyesopen.com>
6561 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6562 the configured assembler supports the x87's ffreep mnemonic.
6563 * configure: Regenerate.
6564 * config.in: Regenerate.
6566 * config/i386/i386.c (output_387_ffreep): New function.
6567 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6568 (output_387_reg_move): Likewise.
6570 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6572 Port to hosts whose 'sort' and 'tail' implementations
6573 treat operands with leading '+' as file names, as POSIX
6574 has required since 2001. However, make sure the code still
6575 works on pre-POSIX hosts.
6576 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6577 which says you should use "tail -c +N" rather than "tail +Nc".
6578 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6580 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6582 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6585 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6588 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6589 PRE_{INC,DEC} of TFmode.
6591 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6592 Alan Modra <amodra@bigpond.net.au>
6595 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6598 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6601 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6602 Remove duplicate gtu.
6604 2006-07-05 Jason Merrill <jason@redhat.com>
6608 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6609 * c-common.c (handle_packed_attribute): So don't copy it here.
6610 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6612 2006-07-05 Mike Stump <mrs@apple.com>
6614 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6616 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6619 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6621 2006-07-05 Richard Guenther <rguenther@suse.de>
6624 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6625 TARGET_SSE2 targets if using SSE math.
6626 (*absdf2_1): Likewise.
6628 2006-07-05 Richard Guenther <rguenther@suse.de>
6630 PR tree-optimization/28162
6631 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6632 make sure to convert the operands to the correct type.
6634 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6636 PR tree-optimization/28218
6638 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6639 to calculate and free the dominator information.
6641 2006-07-04 Peter O'Gorman <peter@pogma.com>
6643 * mklibgcc.in: chmod 644 before ranlib during install.
6645 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6646 J"orn Rennecke <joern.rennecke@st.com>
6648 * configure.ac (.eh_frame data check): Use diff -b.
6650 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6653 * Makefile.in (BUILD_RTL): Add build/vec.o.
6654 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6655 (build/genextract): Delete.
6656 (build/genautomata): Likewise.
6658 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6661 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6662 128-bit IBM long doubles for ABI_V4.
6664 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6666 * tree.c (range_in_array_bounds_p): New predicate.
6667 * tree.h (range_in_array_bounds_p): Declare it.
6668 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6669 return a less conservative answer.
6670 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6671 and flag 'is_group'.
6672 (IS_ELEMENT_FOR_GROUP): New macro.
6673 (FOR_EACH_ACTUAL_CHILD): Likewise.
6674 (next_child_for_group): New helper function.
6675 (can_completely_scalarize_p): Take into account groups.
6676 (sra_hash_tree): Handle RANGE_EXPR.
6677 (sra_elt_eq): Likewise.
6678 (lookup_element): Be prepared for handling groups.
6679 (is_valid_const_index): Delete.
6680 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6681 instead of is_valid_const_index.
6682 <ARRAY_RANGE_REF>: New case.
6683 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6684 is_valid_const_index.
6685 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6686 (scan_dump): Dump info for groups too.
6687 (decide_instantiation_1): Likewise.
6688 (decide_block_copy): Assert that the element is not a group.
6689 Propagate decision to groups.
6690 (generate_one_element_ref): Handle RANGE_EXPR.
6691 (mark_no_warning): Iterate over actual childs.
6692 (generate_copy_inout): Likewise.
6693 (generate_element_copy): Likewise.
6694 (generate_element_zero): Likewise.
6695 (generate_element_init_1): Likewise.
6696 (dump_sra_elt_name): Handle RANGE_EXPR.
6698 2006-07-03 Roger Sayle <roger@eyesopen.com>
6700 PR tree-optimization/26251
6701 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6702 (thread_block): When optimizing for size refuse to thread jumps
6703 that would require duplication of blocks other than redirection
6706 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6708 * configure.ac: Fix thinko in previous check-in.
6709 * configure: Regenerate.
6711 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6714 * configure.ac (for lang...): Simplify nesting of conditionals.
6715 Test subdir_requires for non-enabled languages. Move processing
6716 of lang_opt_files and lang_tree_fiels below that test.
6717 * configure: Regenerate.
6718 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6720 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6722 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6724 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6726 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6729 2006-06-29 Jason Merrill <jason@redhat.com>
6736 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6737 * c-common.c (c_determine_visibility): Handle it here.
6738 * c-decl.c (finish_decl): Call c_determine_visibility for
6740 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6742 * varasm.c (default_assemble_visibility): Likewise.
6743 * c-common.c (handle_visibility_attribute): Complain about trying
6744 to give visibility to an already defined class, or trying to change
6745 declared visibility. Always attach the attribute.
6750 * attribs.c (decl_attributes): Ignore type-in-place attributes
6751 once the type has been defined.
6753 2006-06-29 Roger Sayle <roger@eyesopen.com>
6756 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6757 to indicate the cpplib has issued an error message for us.
6759 2006-06-29 Asher Langton <langton2@llnl.gov>
6762 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6763 insert a label at the end of an function under Mach-O.
6765 2006-06-29 Eric Christopher <echristo@apple.com>
6766 Evan Cheng <evan.cheng@apple.com>
6768 * predicates.md (vector_all_ones_operand): New.
6769 (nonimmediate_or_sse_const_operand): Ditto.
6770 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6771 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6772 (standard_sse_mode_p): Ditto.
6773 (standard_sse_constant_p): Add case for -1 vector.
6774 (ix86_expand_vector_move): Try to use.
6775 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6776 Call standard_sse_constant_opcode.
6777 (*movv4sf_internal): Ditto.
6778 (*movv2df_internal): Ditto.
6780 2006-06-29 Roger Sayle <roger@eyesopen.com>
6782 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6783 of XEXP to extract the operands of a MATCH_CODE rtx.
6785 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6787 * tree.c (tree_size): Do not waste tail padding in
6788 struct tree_string and make the size be the same as
6789 build_string will generate.
6791 2006-06-28 Jason Merrill <jason@redhat.com>
6794 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6795 may_aliases already in the tag's annotations to the bitmap.
6797 2006-06-28 Roger Sayle <roger@eyesopen.com>
6799 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6801 2006-06-28 Roger Sayle <roger@eyesopen.com>
6803 * genpreds.c (generate_switch_p): New function.
6804 (add_mode_tests): Push the new mode test down inside an AND expr
6805 if this allows the switch-suitable MATCH_CODE to be near the root.
6806 (write_match_code_switch): New function to write a MATCH_CODE as
6808 (write_predicate_stmts): New function to write a predicate RTX
6809 expression as a sequence of statements.
6810 (write_one_predicate_function): Use write_predicate_stmts.
6811 (write_tm_constrs_h): Likewise.
6813 2006-06-26 Fred Fish <fnf@specifix.com>
6815 * config/mips/t-sb1: New file.
6816 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6819 2006-06-26 DJ Delorie <dj@redhat.com>
6821 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6823 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6824 Jayant Sonar <jayants@kpitcummins.com>
6825 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6827 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6828 (subsi3, subsi3_1, subsi3_2): New.
6829 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6830 * config/m32c/mov.md (SI mov peephole): New.
6831 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6832 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6834 2006-06-26 Olivier Hainque <hainque@adacore.com>
6836 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6837 a CALL_EXPR target function declaration.
6839 2006-06-26 Richard Guenther <rguenther@suse.de>
6841 * tree.c (build_string): Do not waste tail padding in
6844 2006-06-26 Richard Guenther <rguenther@suse.de>
6846 * ggc-page.c (init_ggc): Add missing element to size_lookup
6850 2006-06-23 Richard Guenther <rguenther@suse.de>
6852 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6853 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6854 alignment requests instead. Add verification code.
6855 Add struct tree_function_decl and struct tree_binfo size to
6856 extra_order_size_table. Add missing element to size_lookup
6859 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6862 * fold-const.c (const_binop): Be prepared for self returning zero.
6863 Simplify code handling complex values.
6865 2006-06-24 Olivier Hainque <hainque@adacore.com>
6867 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6868 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6871 2006-06-24 Olivier Hainque <hainque@adacore.com>
6873 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6874 ARRAY_REF, so have the callback called for the low bound expression.
6876 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6878 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6879 * c-typeck.c (c_common_type): Disallow operations on decimal float
6880 types and other float types.
6881 * convert.c (convert_to_real): Don't ignore conversions involving
6882 decimal float types.
6884 2006-06-23 Olivier Hainque <hainque@adacore.com>
6886 * tree.c (max_int_size_in_bytes): New function, inspired from
6887 code in function.c:assign_temp.
6888 * tree.h (max_int_size_in_bytes): Declare.
6889 * function.c (assign_temp): Use it.
6890 * gimplify.c (create_tmp_var): Relax the assertions on the type
6891 properties, not mandating constant size any more.
6892 (force_constant_size): New static function.
6893 (gimple_add_tmp_var): Use it, forcing variable size to a
6894 constant upper bound if it is not constant on entry.
6896 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6899 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6900 for initialization and setting of one_only flag to ...
6901 (i386_pe_encode_section_info): ...here.
6902 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6903 Recheck that the symbol has not been defined.
6905 2006-06-23 Richard Guenther <rguenther@suse.de>
6907 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6908 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6909 alignment requests instead. Add verification code.
6910 Add struct tree_function_decl and struct tree_binfo size to
6911 extra_order_size_table. Add missing element to size_lookup
6914 2006-06-22 Roger Sayle <roger@eyesopen.com>
6915 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6918 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6919 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6921 2006-06-23 Ben Elliston <bje@au.ibm.com>
6923 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6924 negate dn -- manipulate it directly.
6926 2006-06-22 Roger Sayle <roger@eyesopen.com>
6927 Steven Bosscher <stevenb.gcc@gmail.com>
6930 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6931 generated by gen_move_insn to add REG_LABEL notes if necessary.
6933 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6935 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6936 (leaf_entry): Remove use of MIN_ESA.
6938 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6940 PR rtl-optimization/28121
6941 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6944 2006-06-21 DJ Delorie <dj@redhat.com>
6946 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6948 (mulhisi3_r): Likewise.
6950 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6953 * coverage.c (coverage_counter_alloc): Leave the index type
6955 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6958 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6960 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6961 section from the "Options for Code Generation Conventions".
6963 2006-06-21 Richard Henderson <rth@redhat.com>
6967 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6969 (global_symbolic_operand): Allow weak symbols, even if local_p.
6971 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6973 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6974 (find_interesting_uses_address): Punt if above function returns true.
6976 2006-06-21 Richard Guenther <rguenther@suse.de>
6978 * configure: Regenerated.
6980 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6982 * config/mips/mips.c (function_arg): Where one part of a
6983 complex argument is in registers and the other part in the stack,
6984 return a REG not a PARALLEL.
6986 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6988 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6989 when cross-compiling. Do not substitute libstdcxx_incdir.
6990 * configure: Regenerated.
6992 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6994 * varasm.c (mergeable_string_section): Check for embedded NULs and
6995 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6996 rather than TREE_STRING_LENGTH bytes.
6998 2006-06-21 Richard Guenther <rguenther@suse.de>
7000 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7001 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7004 2006-06-21 Richrad Guenther <rguenther@suse.de>
7006 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7007 Limit iteration over the dominators.
7009 2006-06-20 Roger Sayle <roger@eyesopen.com>
7011 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7012 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7014 2006-06-20 Richard Guenther <rguenther@suse.de>
7015 Michael Matz <matz@suse.de>
7017 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7019 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7020 * et-forest.h (et_free_pools): Prototype new function.
7021 * et-forest.c (et_free_tree_force): Free parent occurrence.
7022 (et_free_pools): New function.
7023 * dominance.c (free_dominance_info): Free et-forest alloc
7026 2006-06-20 Roger Sayle <roger@eyesopen.com>
7028 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7029 integer modes, attempt to directly construct an integer constant.
7031 * fold-const.c (native_encode_vector): Determine the size of each
7032 element from the vector type instead of the first vector element.
7034 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7035 if all of its elements/components are constant.
7036 (build_constructor_from_list): Likewise.
7038 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7040 PR tree-optimization/27331
7041 * tree-data-ref.c (free_data_ref): New function.
7042 (create_data_ref): Fail if the data reference has unknown access
7044 (free_data_refs): Use free_data_ref.
7046 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7049 * tree-inline.c (setup_one_parameter): Strip useless
7050 type conversion before adding it to the IR.
7051 (declare_return_variable): Likewise.
7053 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7056 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7058 2006-06-19 Mike Stump <mrs@apple.com>
7060 * tree.c (variably_modified_type_p): VM arguments don't make the
7063 2006-06-19 Richard Guenther <rguenther@suse.de>
7065 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7066 type conversions after folding.
7068 2006-06-19 Richard Guenther <rguenther@suse.de>
7070 * ggc-page.c (extra_order_size_tab): Add entries with
7071 size of struct function and basic_block.
7072 (size_lookup): Extend to cover sizes up to 511.
7073 (ggc_alloc_stat): Adjust user.
7074 (ggc_pch_count_object): Likewise.
7075 (ggc_pch_alloc_object): Likewise.
7076 (ggc_pch_write_object): Likewise.
7078 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7080 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7081 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7084 2006-06-19 Denis Chertykov <denisc@overta.ru>
7086 * config/avr/libgcc.S : Correct my wrong previous commit.
7088 2006-06-19 Roger Sayle <roger@eyesopen.com>
7091 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7092 have stripped a SUBREG from the shift count, so we may need to
7093 convert_to_mode back to the type's mode before calling make_tree.
7094 Use new_amount instead of amount to avoid expanding a tree twice.
7096 2006-06-19 Richard Guenther <rguenther@suse.de>
7099 * fold-const.c (operand_equal_p): Check if the argument types
7100 have the same precision before stripping NOPs.
7102 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7104 Fix PR tree-optimization/27341
7105 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7107 * tree-complex.c (pass_lower_complex): Update SMT usage.
7109 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7111 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7112 Add a new alternative to the constraint strings. Add move of
7113 operand 1 to 3 to the splitter definition.
7114 ("doloop_si_long"): Second contraint alternative removed.
7116 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7118 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7119 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7121 (AVR_HAVE_MOVW) Define.
7122 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7123 (ASM_SPEC): Add avr25.
7124 (LINK_SPEC): Add avr25.
7125 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7126 (base_arch_s): Add new member 'have_movw_lpmx'.
7127 (avr_arch_types): Init 'have_movw_lpmx'.
7128 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7129 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7130 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7131 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7132 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7134 (avr_file_start): Do not output '.arh' derective.
7135 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7136 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7137 * config/avr/avr.md (mcu_enhanced): Delete.
7138 (mcu_have_movw): Define.
7139 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7140 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7141 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7142 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7143 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7144 attiny861 and at86rf401 devices.
7146 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7148 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7151 2006-06-17 Karl Berry <karl@gnu.org>
7153 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7154 doc/gccint.texi, doc/install.texi (@dircategory): Use
7155 "Software development" instead of "Programming", following
7156 the Free Software Directory.
7158 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7160 * config/i386/i386.c (legitimate_tls_address)
7161 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7162 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7163 (*tls_dynamic_gnu2_combine_64): Likewise.
7165 2006-06-16 Richard Guenther <rguenther@suse.de>
7168 * fold-const.c (negate_expr_p): Do not introduce undefined
7169 overflow in negating INTEGER_CSTs.
7170 (fold_negate_expr): Rename from negate_expr. Revert last
7171 change for folding BIT_NOT_EXPR. Change semantics to
7172 return NULL_TREE for non-simplified negations. Do not
7173 strip type conversions and unify type handling.
7174 (negate_expr): New function, wrap around fold_negate_expr
7175 but ensure building a tree always. Strip type conversions
7176 here, fold to result type.
7177 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7179 2006-06-16 Roger Sayle <roger@eyesopen.com>
7182 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7183 that (would) return their results in stack registers.
7185 2006-06-16 Michael Matz <matz@suse.de>
7186 Richard Guenther <rguenther@suse.de>
7188 * fold-const.c (fold_truthop): Only return new tree node if
7189 we canonicalized something.
7191 2006-06-16 Richard Guenther <rguenther@suse.de>
7193 * function.h (enum function_frequency): Move declaration
7194 out of struct function.
7195 (struct function): Move bool fields and the enum to the bitfield
7196 section. Reorder elements to avoid padding. Remove unused
7197 fields left over from the RTL inliner removal.
7198 * function.c (free_after_compilation): Do not zero removed fields.
7199 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7200 (ipa-type-escape.o): Likewise.
7202 2006-06-16 Richard Guenther <rguenther@suse.de>
7204 * cgraph.h (struct cgraph_local_info): Turn bool elements
7206 (struct cgraph_node): Likewise.
7207 (struct cgraph_varpool_node): Likewise.
7209 2006-06-15 Richard Guenther <rguenther@suse.de>
7211 * fold-const.c (fold_truth_not_expr): Rename from
7212 invert_truthvalue. Give it fold_* semantics to avoid
7214 (invert_truthvalue): New function. Wrapper around
7215 fold_truth_not_expr.
7216 (optimize_minmax_comparison): Avoid creating garbage.
7217 (fold_unary): Use fold_truth_not_expr for folding
7219 (fold_ternary): Replace uses of invert_truthvalue with
7220 fold_truth_not_expr where applicable.
7221 * tree.h (fold_truth_not_expr): Prototype.
7223 2006-06-16 Richard Guenther <rguenther@suse.de>
7225 PR tree-optimization/27781
7226 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7227 * ipa-pure-const.c (target.h): Include.
7228 (analyze_function): Do not analyze functions that do not
7231 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7234 * tree-dfa.c (referenced_vars_dup_list): Remove.
7235 (find_referenced_vars): Remove assert.
7236 (referenced_var_check_and_insert): Replace dup list with assert.
7237 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7238 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7240 2006-06-15 Richard Guenther <rguenther@suse.de>
7242 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7243 extra unused identifiers if not dumping.
7244 (create_variable_info_for): Likewise.
7246 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7248 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7249 (derive_constant_upper_bound): Derive more precise upper bound in
7250 common cases. Return type changed to double_int.
7251 (record_estimate): Reflect the changed return type of
7252 derive_constant_upper_bound.
7253 * double-int.c (double_int_zext, double_int_sext): Fix.
7255 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7257 * configure.ac (CFLAGS): Get them from the toplevel or from the
7258 configure invocation.
7259 * configure: Regenerate.
7260 * Makefile.in (CFLAGS): Substitute value provided by configure.
7262 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7265 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7266 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7267 rather than calling add_stmt on it.
7268 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7270 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7273 * reload1.c (reload): Remove registers returned by update_eliminables
7274 from used_spill_regs.
7276 2006-06-13 DJ Delorie <dj@redhat.com>
7278 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7280 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7282 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7283 html__strip_dir, html__mkdir_p. Enhance install-html target.
7284 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7285 * configure: Regenerate.
7287 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7289 * fold-const.c (fold_cond_expr_with_comparison): Check for
7290 Objective-C++ as language in deciding COND_EXPR transformation.
7292 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7295 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7296 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7297 * config/sh/lib1funcs.h (SL, SL1): Define.
7298 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7299 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7300 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7301 (OBJS_Os_4_200): New variable.
7302 ($(T)libgcc-Os-4-200.a): Use it.
7303 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7304 when dividing 1 and/or by 0.
7306 2006-06-13 Roger Sayle <roger@eyesopen.com>
7308 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7309 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7310 * configure: Regenerate.
7312 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7314 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7315 for real instruction.
7317 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7320 * haifa-sched.c (check_cfg): Handle special case.
7322 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7325 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7326 Add debug_info parameter. Chain the vars to the BLOCK instead
7327 of the BIND_EXPR if debug info are requested for them.
7328 (pop_gimplify_context): Adjust for above change.
7329 (gimple_add_tmp_var): Likewise.
7330 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7332 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7333 (convert_local_reference): Likewise.
7334 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7335 (finalize_nesting_tree_1): Request that debug info be emitted
7336 for debug_var_chain.
7338 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7340 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7341 for PR target/27863.
7343 2006-06-13 Richard Guenther <rguenther@suse.de>
7346 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7348 2006-06-13 Richard Guenther <rguenther@suse.de>
7350 PR tree-optimization/27830
7351 * tree-inline.c (copy_body_r): For copying the operand
7352 of an ADDR_EXPR make sure to fold &* afterwards.
7354 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7356 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7357 lvalues in the fb_none case with side-effects.
7359 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7361 * tree-flow.h: Remove the prototype for
7362 compute_phi_arg_on_exit.
7363 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7364 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7367 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7369 * builtins.c (expand_builtin_return_addr): Only use
7370 frame_pointer_rtx when count == 0 and we are expanding
7371 __builtin_return_address.
7373 2006-06-12 Fred Fish <fnf@specifix.com>
7375 * config/mips/mips.c (mips_file_start): Create special section
7376 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7378 2006-06-11 Eric Christopher <echristo@apple.com>
7381 * stor-layout.c (place_field): Remove check for
7382 remaining_in_alignment when aligning at the end of a run.
7384 2006-06-11 Eric Christopher <echristo@apple.com>
7387 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7390 2006-06-11 Roger Sayle <roger@eyesopen.com>
7393 Revert incorrect fix for PR target/27158
7394 2006-05-08 Roger Sayle <roger@eyesopen.com>
7395 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7396 of a reg_equiv_constant if the result is a legitimate constant.
7398 2006-06-11 Roger Sayle <roger@eyesopen.com>
7401 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7402 extract a CONST_VECTOR element and interpret it as an integer.
7403 (vspltis_constant): Use const_vector_elt_as_int instead of the
7404 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7405 * config/rs6000/predicates.md (easy_vector_const): Consider
7406 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7408 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7411 * stor-layout.c (update_alignment_for_field): Don't add extra
7412 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7415 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7417 * config/mips/t-rtems: Add EL/EB multilib variants.
7419 2006-06-09 Mike Stump <mrs@apple.com>
7421 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7423 2006-06-09 David Daney <ddaney@avtrex.com>
7425 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7427 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7429 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7431 2006-06-09 Richard Guenther <rguenther@suse.de>
7433 PR tree-optimization/26998
7434 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7435 of signed types, only TYPE_MIN_VALUE is special, but for both,
7436 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7437 in this case, as is -fwrapv.
7439 2006-06-08 Mike Stump <mrs@apple.com>
7442 * config/darwin.c (darwin_asm_output_anchor): Disable
7443 -fsection-anchors on darwin for now.
7444 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7445 * rs6000/rs6000.c (optimization_options): Likewise.
7447 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7450 * config/i386/i386.c (classify_argument): Skip fields with invalid
7453 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7455 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7456 (cse_insn): Likewise for the stack_pointer_rtx.
7458 2006-06-08 Roger Sayle <roger@eyesopen.com>
7460 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7461 conditions from floating point comparisons.
7463 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7466 * expmed.c (struct alg_hash_entry): Fix type of field T
7467 to match synth_mult argument.
7468 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7470 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7473 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7476 2006-06-08 Richard Guenther <rguenther@suse.de>
7479 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7480 only, if overflow is defined and not trapping.
7481 (negate_expr): Likewise.
7483 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7485 PR tree-optimization/27872
7486 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7487 flag on the new exit edge of the unrolled loop.
7489 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7491 PR rtl-optimization/26449
7492 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7494 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7497 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7498 referenced_variables with matching DECL_UID's.
7499 (find_referenced_vars): Make sure duplicate list is empty to start.
7500 (referenced_var_p): Remove.
7501 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7502 Check if var is in the list, and add if needed. Update the duplicate
7503 list if a different var is in the list with the same DECL_UID.
7504 (add_referenced_var): Call routine to check and insert.
7505 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7506 * tree-flow.h (referenced_vars_dup_list): External declaration.
7508 2006-06-07 Fred Fish <fnf@specifix.com>
7510 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7513 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7516 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7517 the imaginary and real parts of a clobbered register.
7518 Emit insn to set the imaginary part.
7520 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7522 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7523 in lieu of unwind-dw2-fde.c.
7525 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7527 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7529 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7532 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7533 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7534 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7535 V4SImode temporaries and operations instead.
7537 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7539 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7542 2006-06-06 Mike Stump <mrs@apple.com>
7544 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7545 installing during build.
7547 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7549 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7551 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7552 * config/ia64/ia64.c (params.h): New header.
7553 (ia64_optimization_options): New function to adjust parameters.
7554 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7555 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7556 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7558 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7560 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7562 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7565 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7567 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7568 Victor Kaplansky <victork@il.ibm.com>
7570 PR tree-optimization/26360
7571 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7574 2006-06-04 Roger Sayle <roger@eyesopen.com>
7575 Andrew Pinski <pinskia@physics.uc.edu>
7578 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7579 for LABEL_DECL before calling DECL_WEAK.
7582 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7583 LABEL_DECL and PARM_DECL.
7585 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7589 * c-decl.c (grokdeclarator): Disallow variably modified types at
7590 file scope. Avoid marking shared array type of constant size as
7593 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7596 * c-common.c (fold_offsetof_1): Handle static members.
7598 2006-06-04 Eric Christopher <echristo@apple.com>
7600 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7601 (debug_rli): Output value for remaining_in_alignment.
7602 (update_alignment_for_field): Unconditionalize
7603 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7604 extra alignment code.
7605 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7606 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7607 * tree.h (record_layout_info_s): Remove prev_packed.
7608 * doc/extend.texi (ms_struct): Add documentation of format.
7610 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7612 * tree.h: Declare folding_initializer.
7613 * builtins.c (fold_builtin_constant_p): Give definite answer
7614 if folding inside an initializer.
7615 * fold-const.c: Define folding_initializer.
7616 (START_FOLD_INIT): Save and then set folding_initializer.
7617 (END_FOLD_INIT): Restore folding_initializer.
7619 2006-06-04 Richard Guenther <rguenther@suse.de>
7621 PR tree-optimization/27039
7622 * fold-const.c (fold_comparison): Handle pointer comparison
7623 again for all comparison codes. Compare offsets in signed
7625 (fold_binary): Move code from here.
7627 2006-06-03 Roger Sayle <roger@eyesopen.com>
7630 * config/i386/i386.c (construct_container): Split static issued_error
7631 flag into issued_sse_arg_error, issued_sse_ret_error and
7632 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7633 requires the use of x87 registers and the user explicitly
7634 specified the -mno-80387 command line option.
7636 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7638 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7639 HAVE_DECL_SIGALTSTACK.
7641 (segv_handler): Use MC_FLD.
7642 * configure.ac: Check for a sigaltstack declaration.
7643 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7644 * configure: Regenerate.
7645 * config.in: Regenerate.
7647 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7650 * Makefile.in (stmp-fixinc): Fix typo.
7652 2006-06-02 Roger Sayle <roger@eyesopen.com>
7654 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7655 are type correct. Clean-up.
7656 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7657 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7659 2006-06-01 DJ Delorie <dj@redhat.com>
7661 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7662 shift, as we've disabled the "switch" insn that needs it.
7664 2006-06-01 Per Bothner <bothner@bothner.com>
7666 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7667 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7668 * c-ppoutput.c (cb_define): Don't increment line 0.
7670 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7672 * doc/invoke.texi: Add cpu_type power6.
7673 * config.gcc: Add cpu_type power6.
7674 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7675 to power5+ with Altivec.
7676 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7677 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7679 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7681 * config/avr/avr.h (SET_ASM_OP): Define.
7683 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7685 * config/bfin/bfin.c: Fix comment typos.
7687 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7690 * doc/install.texi: Document --enable-bootstrap and
7691 --disable-bootstrap.
7693 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7695 * doc/install.texi: Document that InfoZIP can replace jar.
7697 2006-05-31 Roger Sayle <roger@eyesopen.com>
7699 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7700 isn't available, directly generate the simpler x87 patterns without
7701 the (use (const_int 0)).
7702 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7703 implementation isn't available.
7704 (*negdf2_1): Likewise.
7705 (*negxf2_1): XF mode negation is always done using the x87.
7706 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7708 2006-05-31 Roger Sayle <roger@eyesopen.com>
7710 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7711 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7713 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7715 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7717 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7718 * config/bfin/bfin.c (basic-block.h): Include.
7719 (struct machine_function): New.
7720 (bfin_init_machine_status): New.
7721 (override_options): Initialize init_machine_status.
7722 (bfin_hardware_loop): New.
7723 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7724 (DEF_VEC_P (loop_info)): New.
7725 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7726 (struct loop_info): New.
7727 (loop_info): New typedef.
7728 (struct loop_work): New.
7729 (loop_work): New typedef.
7730 (DEF_VEC_O (loop_work)): New.
7731 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7732 (bfin_dump_loops): New.
7733 (bfin_bb_in_loop): New.
7734 (bfin_scan_loop): New.
7735 (bfin_optimize_loop): New.
7736 (bfin_reorg_loops): New.
7737 (bfin_reorg): Use bfin_reorg_loops.
7738 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7740 (I_REGNO_P): Simplify.
7741 (DP_REGNO_P, DPREG_P): New macros.
7742 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7743 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7744 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7745 Add LT_REGS, LC_REGS, LB_REGS.
7746 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7748 (REGNO_REG_CLASS): Deal with loop registers.
7749 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7751 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7752 New constants for loop registers.
7753 (UNSPEC_LSETUP_END): New.
7754 (seq_insns): New define_attr. Set it for appropriate insns.
7755 (movsi_insn): Add alternatives for move from/to
7756 loop count registers.
7757 (doloop_end): New define_expand.
7758 (loop_end): New define_insn.
7759 (define_split for bad doloop_end): New.
7760 (lsetup_with_autoinit): New define_insn.
7761 (lsetup_without_autoinit): New define_insn.
7762 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7763 * config/bfin/predicates.md (lc_register_operand): New.
7764 (lt_register_operand): New.
7765 (lb_register_operand): New.
7766 (nondp_register_operand): New.
7767 (nondp_reg_or_memory_operand): New.
7768 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7770 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7772 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7773 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7775 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7777 * Makefile.in (CATALOGS): Add po/ prefix.
7778 * configure: Regenerated.
7780 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7783 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7784 a shift operand before calling shift_op. Avoid redundant call of
7787 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7788 DJ Delorie <dj@redhat.com>
7790 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7791 we're inserting is a singlt-bit constant.
7793 2006-05-30 Roger Sayle <roger@eyesopen.com>
7795 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7796 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7798 2006-05-30 Roger Sayle <roger@eyesopen.com>
7800 PR tree-optimization/23452
7801 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7802 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7803 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7804 complex values and with -ffast-math for FP complex values.
7806 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7808 * c-common.h: Remove the prototype for yyparse.
7809 * rtl.h: Remove the prototype for init_loop.
7811 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7813 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7816 2006-05-30 Roger Sayle <roger@eyesopen.com>
7818 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7820 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7821 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7823 2006-05-30 Dirk Mueller <dmueller@suse.de>
7826 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7827 for CONSTANT_CLASS_P expresisons.
7829 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7832 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7834 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7836 PR tree-optimization/27779
7837 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7838 initial_condition instead of CHREC_LEFT.
7840 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7842 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7843 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7844 Make prototypes ISO C90.
7846 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7847 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7849 * see.c (see_analyze_one_def): Correct check.
7850 (see_get_extension_data): Check if extension is parallel.
7851 (see_get_extension_reg): Likewise.
7853 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7856 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7857 into register for (code == GTU).
7859 2006-05-29 Roger Sayle <roger@eyesopen.com>
7861 PR tree-optimization/24964
7862 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7863 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7864 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7865 abs(x)*abs(x) as x*x for scalar floating point modes.
7867 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7870 * lambda-code.c (perfect_nestify): Don't copy statements
7871 in the inner loop: move them to the inner loop header.
7873 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7876 * c-tree.texi: Document OpenMP directives and clauses.
7878 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7880 * varasm.c (globalize_decl): Fix indentation.
7882 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7885 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7886 pass_fre, pass_store_ccp, pass_copy_prop,
7887 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7888 pass_return_slot, pass_object_size, pass_lim,
7889 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7890 pass_loop_prefetch and pass_stdarg.
7892 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7894 * config/bfin/bfin.opt (mfdpic): New option.
7895 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7896 (EXTRA_MULTILIB_PARTS): Likewise.
7897 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7898 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7900 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7901 (CRT_CALL_STATIC_FUNCTION): New.
7902 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7904 (CRT_CALL_STATIC_FUNCTION): New.
7905 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7907 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7908 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7909 (initialize_trampoline): Changed to handle FD-PIC code generation.
7910 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7911 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7912 (override_options): Disallow -mid-shared-library -mfdpic combination.
7913 Can't do unaligned ops if FD-PIC.
7914 Turn off flag_pic if trying to generate non-id-shared-library
7915 non-fdpic code, since it's not supported.
7916 (bfin_assemble_integer): New function.
7917 (TARGET_ASM_INTEGER): Define.
7918 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7920 * config/bfin/crtn.s: Restore them.
7921 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7923 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7924 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7925 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7926 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7927 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7929 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7930 FDPIC_REGS and FDPIC_FPTR_REGS.
7931 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7932 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7933 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7934 (load_funcdescsi): New pattern.
7935 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7936 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7937 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7939 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7941 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7944 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7946 * tree-flow.h: Remove the prototype for add_type_alias.
7947 * tree-ssa-alias.c (add_type_alias): Remove.
7949 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7951 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7952 config/fr30/fr30.md, config/i386/i386-interix.h,
7953 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7954 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7955 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7956 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7957 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7958 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7959 Follow spelling conventions.
7960 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7961 Follow spelling conventions.
7963 2006-05-27 Richard Guenther <rguenther@suse.de>
7966 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7967 to produce a constant of value 1 of generic type.
7969 2006-05-27 Dirk Mueller <dmueller@suse.de>
7971 * cgraphunit.c (decide_is_function_needed): Fix wrong
7974 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7976 PR rtl-optimization/27661
7977 * reload.c (find_reloads): When reloading a VOIDmode constant
7978 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7979 use Pmode as mode of the reload register.
7981 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7983 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7984 is enabled at -O and above.
7986 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7989 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7992 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7995 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7996 for anonymous variables explicitly declared by front ends.
7998 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8000 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8001 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8002 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8003 ref-all pointers, run a finalization pass for them.
8004 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8005 (finalize_ref_all_pointers): New function.
8006 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8007 regular pointer type to a ref-all pointer type.
8008 (get_tmt_for): Return the special memory tag for ref-all pointers.
8010 2006-05-25 Richard Guenther <rguenther@suse.de>
8013 * fold-const.c (fold_binary): Do not look at the stripped
8014 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8016 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8018 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8019 for LT and GT if the computed range is effectively empty.
8021 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8024 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8025 mips_quad_format formats instead of ieee_single_format,
8026 ieee_double_format and ieee_quad_format formats, respectively.
8028 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8030 PR tree-optimization/27639
8031 PR tree-optimization/26719
8032 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8033 call to scev_probably_wraps_p.
8034 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8035 used_in_pointer_arithmetic_p, convert_step): Removed.
8036 (nowrap_type_p): New function.
8037 (scev_probably_wraps_p): Rewritten.
8038 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8039 chrec_convert if chrec_convert_aggressive might have been used.
8040 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8041 scev_direction): New functions.
8042 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8043 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8044 instead of convert_step.
8045 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8046 (convert_step): Declaration removed.
8047 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8049 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8051 * df-core.c: Added to header comments.
8052 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8053 df_ur_bb_info, df_urec_bb_info): Added comments.
8054 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8055 urec, ri problems): Fixed header comments.
8056 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8057 code from df_rd_transfer_function.
8059 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8061 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8062 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8063 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8065 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8067 * expr.c (undefined_operand_subword_p): New.
8068 (emit_move_multi_word): Do not generate move from undefined bits
8069 of a paradoxical subreg.
8071 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8073 PR rtl-optimization/27736
8074 * combine.c (replaced_rhs_value): New variable.
8075 (combine_instructions): Set it.
8076 (distribute_notes): When distributing a note in replaced_rhs_insn,
8077 check whether the value was used in replaced_rhs_value.
8079 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8082 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8083 add_referenced_var instead of add_referenced_tmp_var.
8084 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8085 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8087 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8088 tree_optimize_tail_calls_1): Use add_referenced_var.
8089 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8090 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8091 Use add_referenced_var.
8092 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8093 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8094 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8095 Use add_referenced_var.
8096 * tree-dfa.c (struct walk_state): Remove.
8097 (find_referenced_vars): Remove walk state and vars_found hash table.
8098 (make_rename_temp): Use add_referenced_var.
8099 (find_vars_r): Pass less parameters to add_referenced_var.
8100 (referenced_var_p): New. Is var in referenced_var hash table.
8101 (referenced_var_insert): Assert var isn't already in hash table.
8102 (add_referenced_var): Don't need walk_state parameter. Add var if it
8103 isn't already in the hash table.
8104 (add_referenced_tmp_var): Remove.
8105 (find_new_referenced_vars_1): Use add_referenced_var.
8106 * tree-ssa-pre.c (create_expression_by_pieces,
8107 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8108 Use add_referenced_var.
8109 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8110 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8111 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8113 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8114 vect_create_data_ref_ptr, vect_create_destination_var,
8115 vect_init_vector, vect_build_loop_niters,
8116 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8117 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8118 Use add_referenced_var.
8119 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8120 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8121 (add_referenced_var): Add prototype.
8122 * tree-ssa-structalias.c (get_constraint_for,
8123 intra_create_variable_infos): Use add_referenced_var.
8125 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8127 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8128 big-endian paradoxical subregs.
8129 * var-tracking.c (struct micro_operation_def): Document that,
8130 for modify micro operations, insn is the subsequent instruction.
8131 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8132 (var_reg_set, var_mem_set): ... new functions.
8133 (add_stores): Record subsequent insn.
8134 (compute_bb_dataflow): Use new functions for MO_USE.
8135 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8136 notes after the insn, and modify notes before the insn known
8137 to be the subsequent one.
8138 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8140 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8143 * config/i386/i386.c (ix86_expand_builtin): Use
8144 gen_sse3_monitor64 for TARGET_64BIT.
8146 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8148 PR rtl-optimization/26375
8149 PR rtl-optimization/26855
8150 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8152 (df_ru_bb_local_compute): Reversed statements and removed bogus
8153 comment explaining why they should be in wrong order.
8154 (df_ru_dump, df_rd_dump): Enhanced debug info.
8155 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8157 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8158 reaching uses and fixed space problem.
8160 2006-05-23 Jan Hubicka <jh@suse.cz>
8162 * cgraphunit.c (decide_is_function_needed): Also nested functions
8163 and functions declared inline can be optimized out at -O0.
8165 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8167 * doc/install.texi (Configuration): Remove reference to CrossGCC
8171 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8174 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8175 ix86_compare_emitted is non-NULL.
8177 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8180 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8183 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8185 PR rtl-optimization/25514
8186 * combine.c (replaced_rhs_insn): New variable.
8187 (combine_instructions): Set replaced_rhs_insn when trying to replace
8188 a SET_SRC with a REG_EQUAL note.
8189 (distribute_notes): Use replaced_rhs_insn when determining the live
8190 range of a REG_DEAD register.
8192 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8193 Anatoly Sokolov <aesok@post.ru>
8195 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8196 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8197 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8198 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8199 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8200 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8201 at90usb647, at90usb1286 and at90usb1287 devices.
8202 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8203 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8205 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8207 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8209 2006-05-22 Richard Guenther <rguenther@suse.de>
8212 2006-01-31 Richard Guenther <rguenther@suse.de>
8213 Paolo Bonzini <bonzini@gnu.org>
8215 * doc/install.texi (--disable-libgcc-math): Document.
8217 2006-05-22 Richard Guenther <rguenther@suse.de>
8220 2006-01-31 Richard Guenther <rguenther@suse.de>
8222 * doc/invoke.texi (-msselibm): Document.
8223 * target.h (expand_library_builtin): New target hook.
8224 * builtins.c (expand_builtin): Use expand_library_builtin.
8225 (default_expand_library_builtin): New function.
8226 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8227 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8228 (link_gcc_math_spec): Declare.
8229 (static_specs): Add link_gcc_math_spec.
8230 * expr.h (default_expand_library_builtin): Declare.
8231 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8232 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8233 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8234 * config/i386/i386.opt (msselibm): New target option.
8235 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8236 (ix86_init_sse_abi_builtins): New function.
8237 (ix86_expand_library_builtin): Likewise.
8238 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8239 (override_options): Handle error conditions wrt -msselibm.
8240 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8241 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8242 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8245 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8248 * c-common.c (self_promoting_args_p): Skip erroneous args.
8251 * c-decl.c (finish_struct): Skip erroneous fields.
8253 2006-05-22 Nick Clifton <nickc@redhat.com>
8255 * config/cris/cris.opt (march): Remove VarExists attribute.
8256 (max-stackframe=): Likewise.
8258 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8260 * doc/rtl.texi: Fix a typo.
8261 * see.c: Fix comment typos.
8263 * tree-ssa-structalias.h (alias_info): Remove num_references.
8265 2006-05-21 Mike Stump <mrs@apple.com>
8267 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8269 (darwin_pragma_options): Use BAD instead.
8270 (darwin_pragma_unused): Likewise.
8271 (darwin_pragma_ms_struct): Likewise.
8273 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8275 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8277 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8279 PR rtl-optimization/27671
8280 * simplify-rtx.c (simplify_relational_operation_1): Fix
8281 simplifications of (eq/ne (xor x y) y) and
8282 (eq/ne (xor x y) x).
8284 PR tree-optimization/26622.
8285 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8288 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8290 * tree-cfg.c: Prune whitespace.
8291 (debug_tree_cfg): Point to correct header containing the
8294 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8297 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8299 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8302 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8303 or sorry count is non zero.
8305 2006-05-20 Andreas Schwab <schwab@suse.de>
8307 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8309 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8310 Kenneth Zadeck <zadeck@naturalbridge.com>
8312 PR rtl-optimization/26855
8314 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8316 (df_scan_alloc): Added code to properly handle multiword hard
8317 registers and add all_blocks parameter.
8318 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8319 code to properly handle multiword hard registers.
8320 (df_rescan_blocks): Added code to remove deleted blocks from
8322 (df_ref_create_structure, df_ref_record): Added code to properly
8324 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8325 and set DF_REF_PARTIAL.
8326 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8327 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8328 (df_scan_add_problem): Added flags parameter.
8329 (df_ref_create_structure): Changed switching structure.
8330 (df_bb_refs_record): Fixed case where duplicate artificial refs
8331 were created. Changed location of flags.
8332 (df_record_entry_block_defs): Added code to make stack pointer
8333 live in entry block. Refined cases where frame pointer is needed.
8334 Changed location of flags.
8335 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8336 (df_set_state): Removed function.
8337 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8338 df_insn_create_insn_record, df_insn_refs_delete,
8339 df_ref_create_structure): Formatting changes.
8340 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8341 df_delete_basic_block): New function.
8342 (df_init): Changed location of flags.
8343 (df_add_problem): Added flags parameter and the way flags are
8345 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8346 debug_df_chain): Improved debugging output.
8347 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8348 (df_refs_chain_dump): Removed df parameter.
8349 (df_iterative_dataflow): Added consistency check.
8350 (df_prune_to_subcfg): Made public.
8351 (df_analyze_problem): Added blocks_to_init parameter and made
8353 (df_ref_record, df_bb_refs_record, df_mark_reg,
8354 df_record_exit_block_uses): Whitespace changes.
8355 (df_dump): Whitespace changes.
8356 * df.h: Some reordering to remove forward references.
8357 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8358 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8359 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8360 (dataflow.flags): New field.
8361 (df.flag): Deleted field.
8362 (df_alloc_function): Added additional bitmap parameter.
8363 (df_dependent_problem_function): New type.
8364 (df_problem.changeable_flags): New field.
8365 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8366 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8367 (df_mw_hardreg): New struct.
8368 (DF_INSN_UID_MWS): New macro.
8369 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8371 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8372 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8373 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8374 (df_set_state): Removed function.
8375 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8376 * df-problems.c (df_chain_dump): Removed df parameter.
8377 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8378 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8380 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8381 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8382 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8383 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8384 DF_REF_MUST_CLOBBER cases.
8385 (df_ru_bb_local_compute_process_def,
8386 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8387 df_lr_bb_local_compute, df_ur_bb_local_compute,
8388 df_chain_create_bb): Made subreg aware.
8389 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8390 df_lr_bb_local_compute, df_lr_bb_local_compute,
8391 df_chain_create_bb): Cleanup to use proper macros.
8392 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8393 code to fixup bitvectors.
8394 (df_ri_alloc): Cleared lifetime.
8395 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8396 df_create_unused_note): New function.
8397 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8398 REG_DEAD and REG_UNUSED notes as well as register information.
8399 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8400 df_chains_dump): Fixed crash if problem was never run.
8401 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8402 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8403 df_ri_add_problem): Processes flags in uniform manner.
8404 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8405 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8406 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8407 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8408 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8409 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8410 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8411 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8412 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8413 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8414 * see.c (see_initialize_data): Ditto.
8415 * final.c (rest_of_clean_state) Added regstack_completed.
8416 * rtl.h (regstack_completed): Ditto.
8417 * reg-stack.c (regstack_completed): Ditto.
8419 2006-05-19 Mike Stump <mrs@apple.com>
8421 * c-tree.h (default_conversion): Remove.
8422 * c-common.h (default_conversion): Add.
8424 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8426 * tree-vrp.c (valid_value_p): New function.
8427 (adjust_range_with_scev): Fail if the value of bound is not
8430 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8432 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8433 (mips_fallback_frame_state): Use syscall numbers to determine
8434 the appropriate li instruction for the current ABI. Only use
8435 __NR_sigreturn for o32.
8437 2006-05-19 Nicolas Setton <setton@adacore.com>
8439 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8440 * langhooks.c (lhd_dwarf_name): New function.
8441 * langhooks-def.h (lhd_dwarf_name): Declare.
8442 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8443 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8444 * ada/misc.c (gnat_dwarf_name): New function.
8445 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
8447 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8449 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8451 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8452 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8453 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8454 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8455 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8456 determine the size of Wtype, etc.
8457 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8458 (swfloatfuncs): New variable.
8459 (dwfloatfuncs): Likewise.
8460 (lib2funcs): Remove floating-point conversion functions from
8461 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8462 the set of conversion routines needed. Allow entries to specify
8463 an object name, filename and word size. Update users accordingly.
8464 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8465 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8469 2006-02-08 Roger Sayle <roger@eyesopen.com>
8472 * config/fixtfdi.c: New libgcc source file.
8473 * config/fixunstfdi.c: New source file.
8474 * config/floatditf.c: New source file.
8475 * config/floatunditf.c: New souce file.
8476 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8477 files above instead of config/mips/_tilib.c.
8478 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8480 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8482 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8483 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8485 2006-05-18 Mike Stump <mrs@apple.com>
8487 Fix up vla, vm and [*] sematics.
8493 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8494 (c_vla_unspec_p): Add.
8495 (c_vla_type_p): Add.
8496 * c-decl.c (struct c_scope): Add had_vla_unspec.
8497 (build_array_declarator): Add support for [*].
8498 (grokdeclarator): Likewise.
8499 (grokparms): Likewise.
8500 (get_parm_info): Likewise.
8501 * c-objc-common.c (c_vla_unspec_p): Likewise.
8502 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8503 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8504 typeof when argument is a variably modified type not inside sizeof or alignof.
8505 (c_parser_direct_declarator_inner): Propagate errors.
8506 (c_parser_sizeof_expression): Add support for [*].
8507 (c_parser_parms_declarator): Initialize had_vla_unspec.
8508 (c_parser_parms_list_declarator): Likewise.
8509 * c-typeck.c (c_vla_type_p): Add.
8510 (composite_type): Add support for vla compositing.
8511 (comptypes_internal): Add support for vla compatibility.
8512 (c_expr_sizeof_expr): Evaluate vla arguments.
8513 * tree.c (variably_modified_type_p): Update comment for [*].
8515 2006-05-18 Michael Matz <matz@suse.de>
8518 * config.host: Make assignments to host_xmake_file cumulative.
8519 * config.host (*-darwin*): Test $host, not $target.
8521 2006-05-12 Stuart Hastings <stuart@apple.com>
8523 * config/i386/i386.opt (-mstackrealign): New flag.
8524 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8525 (ix86_handle_cconv_attribute): Emit error when
8526 force_align_arg_pointer attribute collides with too many regparms.
8527 (ix86_function_regparm): Limit regparms when used with
8528 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8529 Support stack-realigning prologue in non-main functions. Emit
8530 warning for nested functions under -mstackrealign, emit error for
8531 nested functions with force_align_arg_pointer attribute.
8532 * doc/extend.texi (force_align_arg_pointer): Document it.
8533 * doc/invoke.texi (-mstackrealign): Document it.
8535 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8537 PR rtl-optimization/27477
8538 * combine.c (try_combine): Don't split a parallel consisting
8539 of two sets into two individual sets if both sets reference
8542 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8544 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8545 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8547 * doc/options.texi (VarExists): Updated.
8549 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8551 * unwind-dw2.c: Add declarations for uw_update_context and
8553 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8554 detected, advance frame state and context once to skip over stub.
8556 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8560 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8561 Call rewrite_into_loop_closed_ssa only when something changed.
8562 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8563 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8564 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8565 Test for perfect_nest_p here. Fix formating.
8566 (replace_uses_equiv_to_x_with_y): Fix formating.
8567 (stmt_uses_op): Removed.
8568 (can_convert_to_perfect_nest): Removed loopivs parameter.
8569 Complete the test by checking the scalar dependences.
8570 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8573 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8576 From Dan Kegel <dank@kegel.com>:
8577 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8579 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8581 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8582 if the element type is variably modified without recursing.
8584 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8587 * tree-loop-linear.c (try_interchange_loops): Test for
8588 no data dependences.
8590 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8592 PR tree-optimization/27548
8593 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8594 range of ssa names that appear on abnormal edges.
8595 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8596 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8598 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8601 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8603 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8606 * tree.h (OMP_PARALLEL_COMBINED): Define.
8607 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8608 (new_omp_context): Add is_combined_parallel argument.
8609 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8610 new_omp_context caller.
8611 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8612 Adjust gimplify_scan_omp_clauses callers.
8613 (omp_is_private): Issue errors if iteration variable is firstprivate
8614 or reduction in the current context.
8615 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8616 on combined parallel workshare constructs.
8618 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8620 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8621 (gcc-options.o): New rule.
8623 * optc-gen.awk: Protect variables for gcc-options.o with
8624 #ifdef GCC_DRIVER/#endif.
8626 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8628 Fix PR tree-optimization/27373
8629 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8630 (forward_propagate_addr_expr): Update call.
8632 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8634 * doc/options.texi: Move the Negative option.
8636 2006-05-16 Richard Guenther <rguenther@suse.de>
8638 PR tree-optimization/22303
8639 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8641 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8642 ccp_fold did not simplify the statement.
8644 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8647 * Makefile.in (GCC_OBJS): New.
8648 (OBJS-common): Add opts-common.o.
8649 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8650 (cpp$(exeext)): Likewise.
8651 (gcc.o): Also depend on opts.h.
8652 (opts-common.o): New.
8654 * common.opt (gcoff): Add Negative(gdwarf-2).
8655 (gdwarf-2): Add Negative(gstabs).
8656 (gstabs): Add Negative(gstabs+).
8657 (gstabs+): Add Negative(gvms).
8658 (gvms): Add Negative(gxcoff).
8659 (gxcoff): Add Negative(gxcoff+).
8660 (gxcoff+): Add Negative(gcoff).
8661 * config/i386/i386.opt (m32): Add Negative(m64).
8662 (m64): Add Negative(m32).
8664 * doc/options.texi: Document the Negative option.
8666 * gcc.c: Include "opts.h".
8667 (main): Call prune_options after expandargv.
8669 * optc-gen.awk: Generate common declarations for all flag
8670 variables in options.c. Output the neg_index field.
8672 * opts.c (find_opt): Moved to ...
8673 * opts-common.c: Here. New file.
8675 * opts.h (cl_option): Add a neg_index field.
8677 (prune_options): Likewise.
8679 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8682 * omp-low.c (expand_omp_parallel): Don't assert
8683 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8684 instead search for it.
8687 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8690 2006-05-16 Andreas Schwab <schwab@suse.de>
8692 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8695 2006-05-15 Roger Sayle <roger@eyesopen.com>
8698 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8699 integer constants other than zero are only legitimate on TARGET_64BIT.
8700 <CONST_VECTOR> Only zero vectors are legitimate.
8701 (ix86_cannot_force_const_mem): Integral and vector constants can
8702 always be put in the constant pool.
8704 2006-05-16 DJ Delorie <dj@redhat.com>
8706 * crtstuff.c (__dso_handle): Set section from
8707 TARGET_LBIGCC_SDATA_SECTION if defined.
8708 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8709 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8711 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8714 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8717 2006-05-16 Ben Elliston <bje@au.ibm.com>
8719 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8721 2006-05-15 Per Bothner <per@bothner.com>
8723 * tree.c: (last_annotated_node): Use source_locus typedef.
8724 This permits bootstrapping with --enable-mapped-location.
8726 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8728 PR tree-optimization/26830
8729 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8730 (info_for_ssa_name, current_info_for_ssa_name_age,
8731 blocks_to_update): New variables.
8732 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8733 (clear_ssa_name_info, initialize_flags_in_bb,
8734 mark_block_for_update): New functions.
8735 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8736 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8737 prepare_def_site_for): Use mark_block_for_update.
8738 (mark_def_interesting): Assert that the processed block is marked in
8739 blocks_to_update. Do not take blocks argument.
8740 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8742 (rewrite_update_init_block, rewrite_update_stmt): Only process
8743 blocks with statements to rewrite.
8744 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8745 (update_ssa): Initialize and free blocks_to_update. Do not
8746 clear flags on statements. Do not use blocks bitmap.
8747 * tree.h (SSA_NAME_AUX): Removed.
8748 (struct tree_ssa_name): Removed aux field.
8749 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8751 2006-05-15 Richard Guenther <rguenther@suse.de>
8753 PR tree-optimization/27603
8754 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8755 Do computations in original type.
8757 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8759 * see.c: Code style changes such as redundant paranthesis,
8760 redundant intialization of local variables etc.
8761 (see_main): Declared now as static.
8762 * doc/invoke.texi: Update that -fsee is not enabled by
8765 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8767 * omp-low.c (check_omp_nesting_restrictions): New function.
8768 (scan_omp_1): Call it.
8771 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8772 construct, return *VAR.
8774 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8776 PR rtl-optimization/27406
8777 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8780 2006-05-14 Roger Sayle <roger@eyesopen.com>
8782 PR rtl-optimization/27538
8783 * combine.c (expand_compound_operation): Call gen_lowpart
8784 before calling simplify_shift_const.
8786 2006-05-14 Roger Sayle <roger@eyesopen.com>
8788 PR rtl-optimization/22563
8789 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8790 a fixed width bitfield, always force the intermediates into psuedos.
8792 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8795 * mkconfig.sh: Use operator = instead of == for test.
8797 2006-05-13 Nick Clifton <nickc@redhat.com>
8799 * dwarf2out.c (dbx_reg_number): Check return value from
8800 LEAF_REG_REMAP and only use it if it is valid.
8801 (multiple_reg_loc_descriptor): Likewise.
8803 2006-05-13 Richard Guenther <rguenther@suse.de>
8805 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8808 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8810 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8811 information attached to non-INSNs such as NOTEs.
8812 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8814 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8816 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8818 * config/s390/s390.md: Adjust comment describing On constraint.
8820 2006-05-11 Jan Hubicka <jh@suse.cz>
8822 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8823 to be output at -O0.
8825 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8828 * fold-const.c (size_binop): Move sanity check for arguments to
8829 the beginning of the function.
8832 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8835 2006-05-11 Richard Guenther <rguenther@suse.de>
8838 * fold-const.c (fold_unary): Handle intermediate conversion
8839 to a pointer type like intermediate conversion to an integer
8840 type in folding of (T1)(T2)var to var.
8841 Match the code to the comment in the final conversion for
8842 (T1)(T2)var to (T1)var regarding to type precision. Rather
8843 than disallow T1 being of pointer type, assert that both T1
8844 and var are of pointer type or not. Make sure not to fall
8845 over the frontends lazyness wrt array to pointer decay though.
8847 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8849 * arm.c (arm_struct_value_rtx): Delete.
8850 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8851 (arm_init_cumulative_args): Always initialize nregs to zero.
8853 2006-05-10 Richard Guenther <rguenther@suse.de>
8855 PR tree-optimization/27532
8856 * tree-object-size.c (plus_expr_object_size): Fix typo.
8858 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8861 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8862 ashrdi_const, ashrdi3): Use a scratch register.
8864 2006-05-10 Richard Guenther <rguenther@suse.de>
8866 PR tree-optimization/27302
8867 * fold-const.c (operand_equal_p): For two comparisons,
8868 try comparison of one comparison code swapped if that yields
8871 2006-05-10 Ben Elliston <bje@au.ibm.com>
8873 * tree-pretty-print.c (pretty_print_string): No need to handle
8874 '\0' as a special character.
8876 * tree.h: Include "hashtab.h".
8877 (iterative_hash_expr): Use hashval_t in its prototype.
8878 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8880 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8883 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8884 (hppa*64*-*-hpux11*): Ditto.
8885 (hppa[12]*-*-hpux11*): Ditto.
8887 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8890 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8892 2006-05-09 Michael Matz <matz@suse.de>
8894 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8895 host_extra_gcc_objs and host_xmake_file.
8896 (<*-*-linux*>): Don't overwrite host_xmake_file.
8897 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8898 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8899 (host_detect_local_cpu): Declare.
8900 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8901 * config/i386/i386.c (override_options): Handle -mtune=native
8903 * config/i386/x-i386: New file.
8904 * config/i386/driver-i386.c: New file.
8905 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8908 2006-05-09 Dirk Mueller <dmueller@suse.de>
8909 Richard Guenther <rguenther@suse.de>
8912 * fold-const.c (fold_read_from_constant_string): Relax check
8913 for matching types to matching modes.
8915 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8917 PR rtl-optimization/27335
8918 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8921 2006-05-08 Chao-ying Fu <fu@mips.com>
8922 Richard Sandiford <richard@codesourcery.com>
8924 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8925 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8926 * config/mips/mips.md (UNSPEC_SCC): New constant.
8927 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8928 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8929 (mips_emit_compare): Use it.
8930 (mips_expand_vcondv2sf): New function.
8932 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8934 Fix PR tree-optimization/27093
8935 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8936 renaming when they become not-used_alone.
8938 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8940 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8941 relocation and relocation stubs.
8943 2006-05-08 Eric Christopher <echristo@apple.com>
8945 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8948 2006-05-08 Jan Hubicka <jh@suse.cz>
8951 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8952 unused static functions are needed.
8954 2006-05-08 Roger Sayle <roger@eyesopen.com>
8957 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8958 of a reg_equiv_constant if the result is a legitimate constant.
8960 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8963 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8964 standard 80387 constants, raise the cost to prevent
8965 compress_float_constant() to generate load from memory.
8967 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8969 * config/arm/constraints.md (c): Fix a typo.
8971 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8974 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8977 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8979 (_mm_mwait): Likewise.
8981 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8983 (sse3_monitor): Make it 32bit only.
8984 (sse3_monitor64): New. 64bit monitor.
8986 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8989 * config/i386/i386.c (classify_argument): Skip fields with invalid
8992 2006-05-07 Richard Guenther <rguenther@suse.de>
8994 PR tree-optimization/27409
8995 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8996 Do not try to find zero-sized subvars.
8998 2006-05-07 Richard Guenther <rguenther@suse.de>
9000 PR tree-optimization/27136
9001 * tree-ssa-loop-niter.c (get_val_for): Correct function
9002 comment, assert requirements.
9003 (loop_niter_by_eval): Stop processing if the iterated
9004 value did not simplify.
9006 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9008 * opts.c (flag_see): remove its setting at -O3.
9010 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9012 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9013 * arm/constraints.md: New file.
9014 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9015 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9016 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9017 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9018 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9019 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9020 * arm.md: Include constraints.md.
9021 (thumb_movsi_insn): Use satisfies_constraint_J.
9022 (movhi, movqi): Use satisfies_constraint_I.
9024 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9026 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9027 for atmeg a645 device.
9029 2006-05-06 Richard Guenther <rguenther@suse.de>
9031 PR tree-optimization/27151
9032 * tree-vect-transform.c (vectorizable_condition): Punt on
9033 values that have a different type than the condition.
9035 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9038 * c-parser.c (c_parser_cast_expression): Only insert casts into
9039 hash table if pointer.
9040 * function.c (used_types_insert_helper): Rename from
9042 (used_types_insert): Call used_types_insert_helper.
9043 * function.h (used_types_insert): Accept only one argument.
9045 2006-05-05 David Edelsohn <edesohn@gnu.org>
9047 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9048 scratch with output modifier.
9050 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9053 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9054 with output modifier.
9056 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9059 * config/mips/mips.c (mips_symbolic_address_p): Return true
9060 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9061 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9063 2006-05-04 Richard Guenther <rguenther@suse.de>
9065 PR tree-optimization/14287
9066 PR tree-optimization/14844
9067 PR tree-optimization/19792
9068 PR tree-optimization/21608
9069 PR tree-optimization/27090
9070 * tree-ssa-pre.c (try_combine_conversion): New function.
9071 (compute_avail): After constructing the value-handle
9072 expression, use try_combine_conversion to combine NOP_EXPRs
9073 with previous value-handle expressions and use the result if it
9076 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9078 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9080 2006-05-04 Jan Hubicka <jh@suse.cz>
9083 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9085 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9087 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9088 that this only matches CONST_INTs. All users changed to VOIDmode
9091 * config/bfin/bfin.c: Include "optabs.h".
9092 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9094 (enum bfin_builtins): Add a number of fractional and vector builtins.
9095 (bfin_init_builtins): Likewise.
9096 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9097 (safe_vector_operand, bfin_expand_binop_builtin,
9098 bfin_expand_unop_builtin): New functions.
9099 (bfin_expand_builtin): Handle the new builtins.
9100 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9103 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9106 * Makefile.in (OBJS-common): Add see.o.
9107 (see.o): Add dependencies.
9108 * common.opt (fsee): New flag for the see optimization was added.
9109 * opts.c (flag_see): Initialized.
9110 * passes.c (init_optimization_passes, pass_see): New pass.
9111 * rtl.h (see_main): Declaration as extern.
9112 * timevar.def (TV_SEE): New.
9113 * tree-pass.h (pass_see): Declaration as extern.
9114 * invoke.texi (-fsee): Document.
9115 * recog.c (validate_simplify_insn): New function.
9116 * recog.h (validate_simplify_insn): Declaration as extern.
9117 * df-problems.c (df_chain_dump): Check for NULL.
9119 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9120 Daniel Berlin <dberlin@dberlin.org>
9122 * cfgrtl.c (insert_insn_bb_end_new): New function.
9123 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9125 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9127 * df.h (struct web_entry): Moved from web.c.
9128 (union_defs): Declaration as extern.
9129 (unionfind_root): Likewise.
9130 (unionfind_union): Likewise.
9131 * web.c (struct web_entry): Moved to df.h.
9132 (unionfind_root): Remove static declaration.
9133 (unionfind_union): Likewise.
9134 (union_defs): Likewise and generalize to use callback function.
9135 (web_main): Update arguments for union_defs function call.
9137 2006-05-04 Richard Guenther <rguenther@suse.de>
9139 PR tree-optimization/26447
9140 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9141 produce SSA_NAME copies before the store stmt to avoid
9142 breaking exception handling.
9144 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9147 * gimplify.c (omp_is_private): If var is shared in some outer context,
9148 return false instead of true. Stop searching on parallel context
9151 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9154 * coverage.c: Use get_gcov_unsigned_t() instead of
9155 unsigned_type_node all over.
9157 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9159 PR tree-optimization/27381
9160 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9161 maintain the same immediate_use links.
9162 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9163 node rather than segfaulting.
9165 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9168 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9169 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9170 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9172 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9174 Fix PR tree-optimization/26626
9175 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9177 * tree-ssa-operands.c (access_can_touch_variable): Allow
9178 typecasting through union pointers.
9180 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9183 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9184 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9185 to find if var will be a global variable even in the nested context.
9186 (omp_copy_decl): Only check for global variable at the end, it might
9187 be overridden in outer contexts.
9188 (scan_sharing_clauses): For global variables don't create a field.
9189 (lower_rec_input_clauses): Do nothing for global shared variables.
9190 Emit a barrier at the end of ILIST if there were any decls in both
9191 firstprivate and lastprivate clauses.
9192 (lower_send_clauses): Do nothing for global variables except for
9195 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9197 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9198 of the correct signedness is returned.
9200 2006-05-02 Jeff Law <law@redhat.com>
9202 PR tree-optimization/27364
9203 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9204 multiply expressions.
9206 2006-05-02 Tom Tromey <tromey@redhat.com>
9208 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9210 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9213 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9214 -mthumb -fPIC are used.
9216 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9217 Joshua Kinard <kumba@gentoo.org>
9220 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9221 with 64-bit pointers.
9223 2006-05-02 Paul Brook <paul@codesourcery.com>
9225 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9227 (create_fix_barrier): Check that a suitable barrier location is
9229 (arm_reorg): Include ftmp->address in allowable range of addresses.
9231 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9234 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9237 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9240 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9241 around RESULT_DECL for result passed by reference.
9242 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9243 * omp-low.c (use_pointer_for_field): Don't look at
9244 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9245 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9246 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9247 time or var for passing by reference for
9248 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9249 TREE_ADDRESSABLE variables when passing by reference.
9251 * omp-low.c (dump_omp_region): Fix output formatting.
9254 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9255 (expand_omp_parallel): Likewise.
9256 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9259 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9260 on statement list containing also constructors and destructors.
9261 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9264 * except.c (duplicate_eh_regions): Fix clearing of
9265 cfun->eh->region_array entries.
9267 2006-05-01 DJ Delorie <dj@redhat.com>
9269 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9271 (gcc_cv_objdump): Likewise.
9272 * configure: Regenerated.
9274 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9277 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9278 templates for case 3 and 4.
9280 2006-05-01 DJ Delorie <dj@redhat.com>
9282 * vec.c: Include bconfig.h when appropriate.
9283 * Makefile.in (build/vec.o): Adjust dependencies.
9284 * mkconfig.sh: Make sure config.h isn't used for build machine
9287 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9289 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9291 (mark_phi_for_rewrite): New function.
9292 (insert_phi_nodes_for, mark_use_interesting): Call
9293 mark_phi_for_rewrite.
9294 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9295 (update_ssa): Initialize and free phis_to_rewrite.
9297 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9299 PR rtl-optimization/27291
9300 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9301 folded to a constant.
9303 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9305 PR tree-optimization/27283
9306 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9307 not whole # of iteration descriptions.
9308 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9309 uses abnormal ssa name.
9310 (niter_for_single_dom_exit): Ditto.
9311 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9312 return just the number of iterations.
9314 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9316 PR tree-optimization/27144
9317 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9318 (record_estimate): Only record constant upper bound.
9319 (infer_loop_bounds_from_undefined): Call
9320 compute_estimated_nb_iterations just once.
9321 (proved_non_wrapping_p): Renamed to ...
9322 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9323 (convert_step_widening, scev_probably_wraps_p): Call
9324 n_of_executions_at_most instead of proved_non_wrapping_p.
9325 (substitute_in_loop_info): Do not replace values in bounds.
9326 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9329 2006-05-01 Richard Henderson <rth@redhat.com>
9332 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9333 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9336 2006-05-01 Roger Sayle <roger@eyesopen.com>
9338 * c-typeck.c (parser_build_binary_op): Don't call the function
9339 unsigned_conversion_warning to spot operand/result type overflow.
9340 (build_binary_op): Instead, call convert_and_check instead of
9341 convert to report the problem when the operands are promoted.
9342 * c-common.c (unsigned_conversion_warning): Make static.
9343 * c-common.h (unsigned_conversion_warning): Delete prototype.
9345 2006-05-01 Richard Guenther <rguenther@suse.de>
9347 PR tree-optimization/26726
9348 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9350 (find_interesting_uses_address): ... we work around here
9351 by folding INDIRECT_REFs in the substituted base.
9353 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9355 * omp-low.c (dump_omp_region): Add newlines.
9357 2006-04-30 Roger Sayle <roger@eyesopen.com>
9359 * common.opt (Woverflow): New command line option.
9360 * c-common.c (constant_expression_warning): Check warn_overflow.
9361 (overflow_waring): Pass OPT_Woverflow to warning.
9362 (unsigned_conversion_warning): Likewise.
9363 (convert_and_check): Likewise.
9364 * doc/invoke.texi: Document new command line option.
9366 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9368 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9369 TARGET_NO_FP_IN_TOC for section anchors.
9370 (optimization_options): Enable section anchors for all
9371 non-"Objective" languages.
9373 2006-04-28 Eric Christopher <echristo@apple.com>
9375 * config/darwin-c.c (darwin_ms_struct): Move this
9376 (darwin_set_default_type_attributes): and this...
9377 * config/darwin.c: ... here.
9378 * config/darwin.h (darwin_ms_struct): Declare.
9380 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9382 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9384 2006-04-28 Roger Sayle <roger@eyesopen.com>
9387 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9388 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9389 an unsigned HOST_WIDE_INT.
9390 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9392 (really_start_incremental_init): No need to call convert because
9393 bitsize_zero_node is already of type bitsizetype.
9394 (push_init_level): Extract the value of constructor_index as an
9395 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9396 (process_init_element): Likewise.
9398 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9400 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9401 value before passing to make_relative_prefix.
9403 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9406 * builtins.c (expand_builtin_memset): Expand val in original mode.
9408 2006-04-27 Eric Christopher <echristo@apple.com>
9410 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9411 with #ifndef/#endif.
9412 * config/darwin-c.c (darwin_ms_struct): New.
9413 (darwin_pragma_ms_struct): Ditto.
9414 (darwin_set_default_type_attributes): Ditto.
9415 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9416 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9417 Register ms_struct pragma.
9418 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9419 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9420 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9421 darwin_set_default_type_attributes if TARGET_MACHO.
9423 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9425 PR tree-optimization/26854
9426 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9427 * doc/tree-ssa.texi: Update immuse iterator documentation.
9428 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9429 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9430 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9431 first_safe_imm_use, next_safe_imm_use): Remove.
9432 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9433 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9434 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9435 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9436 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9437 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9438 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9439 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9440 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9441 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9442 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9443 (perfect_nestify): Use new iterator.
9444 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9446 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9447 (next_imm_name): New field in struct immediate_use_iterator_d.
9448 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9449 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9450 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9451 * tree-cfg.c (replace_uses_by): Use new iterator.
9452 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9453 * tree-ssa-operands.c (correct_use_link): Remove.
9454 (finalize_ssa_use_ops): No longer call correct_use_link.
9456 2006-04-27 Stuart Hastings <stuart@apple.com>
9458 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9459 * config/t-darwin (crt3.o): Use it.
9460 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9461 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9462 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9463 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9464 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9467 2006-04-27 Roger Sayle <roger@eyesopen.com>
9469 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9470 size, force the intermediate into a new pseudo rather instead of
9471 performing both a bitwise AND and a bitwise IOR in memory.
9473 2006-04-27 Richard Guenther <rguenther@suse.de>
9475 PR rtl-optimization/26685
9476 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9477 this one "max-flow-memory-locations".
9479 2006-04-27 Richard Guenther <rguenther@suse.de>
9481 PR tree-optimization/25148
9482 * tree-vrp.c (compare_values): Remove code dealing with
9483 comparisons against type min/max value. Honour overflow
9484 and negative constants in code dealing with comparisons
9485 of plus and minus expressions.
9486 (value_inside_range): Use fold_binary with LE_EXPR and
9487 GE_EXPR rather than compare_values.
9489 2006-04-27 Dirk Mueller <dmueller@suse.de>
9491 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9494 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9496 * basic-block.h (safe_insert_insn_on_edge): Removed.
9497 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9499 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9500 Paolo Bonzini <bonzini@gnu.org>
9503 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9504 (simplify_and_const_int): Same.
9506 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9508 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9510 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9513 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9514 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9515 cgraph_global_info_ready.
9518 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9521 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9522 either decl or init is error_mark_node.
9525 * tree-flow.h (struct omp_region): Add sched_kind.
9526 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9527 instead of extracting omp for data.
9528 (expand_omp_for): Save extracted sched_kind.
9530 2006-04-25 Roger Sayle <roger@eyesopen.com>
9532 * expmed.c (store_bit_field): Also check whether the bitsize is
9533 valid for the machine's "insv" instruction before moving the
9534 target into a pseudo for use with the insv.
9535 * config/i386/predicates.md (const8_operand): New predicate.
9536 * config/i386/i386.md (extv, extzv, insv): Use the new
9537 const8_operand predicate where appropriate.
9539 2006-04-25 DJ Delorie <dj@redhat.com>
9541 * doc/install.texi (Specific): Clarify that this is not a list of
9542 supported hosts or targets.
9544 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9546 PR rtl-optimization/26725
9547 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9548 block's BB_DIRTY flag.
9550 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9552 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9555 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9556 to print an integer.
9558 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9560 * varasm.c (align_variable): New function.
9561 (get_block_for_decl): Apply align_variable to DECL before
9562 calculating section information.
9563 (assemble_variable): Split out alignment computation.
9565 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9567 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9570 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9572 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9573 MODE_PARTIAL_INT mode.
9574 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9575 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9577 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9578 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9580 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9582 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9584 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9585 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9586 MACFLAG_IH): Likewise.
9587 (movstricthi_1): Renamed from "*movstricthi".
9588 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9589 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9590 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9591 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9592 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9593 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9594 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9595 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9596 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9597 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9598 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9599 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9600 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9601 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9602 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9604 * doc/rtl.texi (ss_ashift): Improve wording.
9606 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9608 * dwarf2out.c (verify_marks_clear): New.
9609 (prune_unused_types): Call verify_marks_clear initially, not
9612 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9614 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9615 * doc/rtl.texi: Document them.
9616 * simplify-rtx.c (simplify_unary_operation,
9617 simplify_binary_operation_1): Don't abort when we see them.
9619 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9622 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9623 * configure.ac: Completely disregard languages that are not
9625 * configure: Regenerated.
9627 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9628 Richard Guenther <rguenther@suse.de>
9630 PR tree-optimization/27236
9631 * tree-inline.c (copy_body_r): Make sure to copy
9632 TREE_THIS_VOLATILE flag.
9634 2006-04-24 Richard Guenther <rguenther@suse.de>
9637 * tree-complex.c (update_parameter_components): Don't handle
9638 unused parameters which have no default def.
9640 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9641 Richard Guenther <rguenther@suse.de>
9643 PR tree-optimization/27218
9644 * tree-inline.c (expand_call_inline): Strip useless type
9645 conversions for the return slot address.
9647 2006-04-24 Richard Guenther <rguenther@suse.de>
9649 * cfgloop.h (struct loops): Remove unused field array. Reorder
9651 (LOOP_PREFETCH): Remove.
9653 2006-04-24 Richard Guenther <rguenther@suse.de>
9655 PR tree-optimization/22525
9656 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9657 variable, adjust types of generated expressions.
9659 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9661 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9662 (tree-vect-patterns.o): Likewise.
9664 (cselib.o): Likewise.
9665 (loop-doloop.o): Likewise.
9666 (regclass.o): Likewise.
9667 (reload1.o): Likewise.
9668 (explow.o): Replace target.h with $(TARGET_H).
9669 (ipa-prop.o): Likewise.
9670 (ipa-cp.o): Likewise.
9671 (ipa-inline.o): Likewise.
9672 (reorg.o): Likewise.
9673 (reg-stack.o): Likewise.
9675 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9677 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9679 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9681 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9683 * configure.ac: Completely disregard languages that are not
9685 * configure: Regenerated.
9688 * c-common.h (c_build_bitfield_integer_type): Declare.
9689 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9690 * c-common.c (c_build_bitfield_integer_type): ... here.
9692 2006-04-23 Roger Sayle <roger@eyesopen.com>
9695 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9696 a SImode SUBREG of a floating point register after no_new_pseudos.
9698 2006-04-23 Roger Sayle <roger@eyesopen.com>
9700 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9701 identify potentially eliminable registers to additionally catch
9702 VIRTUAL_INCOMING_ARGS_REGNUM.
9703 (addsi3): Update the conditions on when to use addsi_small_int.
9705 2006-04-23 Roger Sayle <roger@eyesopen.com>
9708 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9709 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9710 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9712 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9714 * fold-const.c (range_predecessor): Use operand_equal_p
9715 as the predicate for equality.
9716 (range_successor): Likewise.
9718 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9721 * config/soft-fp/op-common.h: Fix a typo.
9723 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9726 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9727 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9729 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9731 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9733 * doc/tm.texi: Fix a typo.
9735 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9737 * dwarf2out.c (struct die_struct): Document that die_sib makes
9738 a circular linked list.
9739 (FOR_EACH_CHILD): New.
9740 (reverse_die_lists): Delete.
9741 (reverse_all_dies): Delete.
9742 (add_dwarf_attr): Correct documentation.
9743 (remove_child_with_prev): New.
9744 (remove_child_TAG): Update for change to die_struct, use
9745 remove_child_with_prev.
9746 (add_child_die): Update for change to die_struct.
9747 (splice_child_die): Use remove_child_with_prev and add_child_die.
9748 (print_die): Use FOR_EACH_CHILD.
9749 (die_checksum): Likewise.
9750 (assign_symbol_names): Likewise.
9751 (output_location_lists): Likewise.
9752 (build_abbrev_table): Likewise.
9753 (calc_die_sizes): Likewise.
9754 (mark_dies): Likewise.
9755 (unmark_dies): Likewise.
9756 (unmark_all_dies): Likewise.
9757 (output_die): Likewise.
9758 (prune_unused_types_mark): Likewise.
9759 (prune_unused_types_walk): Likewise.
9760 (same_die_p): Update for change to die_struct.
9761 (break_out_includes): Likewise.
9762 (prune_unused_types_prune): Likewise.
9763 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9764 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9766 (dwarf2out_finish): Don't call reverse_all_dies.
9768 2006-04-21 Eric Christopher <echristo@apple.com>
9770 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9771 in comments and function names.
9773 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9776 * c-typeck.c (digest_init): Robustify.
9778 * c-typeck.c (pop_init_level): Simplify.
9780 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9782 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9784 2006-04-21 Paul Brook <paul@codesourcery.com>
9786 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9787 hardware floating point.
9789 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9791 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9794 2006-04-21 Nick Clifton <nickc@redhat.com>
9796 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9799 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9802 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9803 C++ lang type in traceback table for Objective-C++.
9805 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9807 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9809 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9811 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9814 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9815 were errors. Remove check for erroneous objects.
9817 2006-04-20 Jeff Law <law@redhat.com>
9819 PR tree-optimization/26854
9820 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9821 checking for zero or one use.
9822 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9823 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9824 * tree-ssa-reassoc.c (negate_value): Similarly.
9825 (reassociate_bb): Similarly.
9827 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9829 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9830 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9831 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9833 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9835 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9836 fp regs if the last fp arg doesn't fit in regs.
9838 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9841 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9842 that the last insn has the REG_INC note.
9844 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9845 Nathan Sidwell <nathan@codesourcery.com>
9848 * stor-layout.c (update_alignment_for_field): Do not align
9850 (place_union_field): Place union field at the start of the union.
9851 (place_field): Move ERROR_MARK check later, and use the current
9852 allocation position to maintain monotonicity.
9854 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9856 * dominance.c: Include timevar.h.
9857 (calculate_dominance_info): Use TV_DOMINANCE.
9858 * timevar.def (TV_DOMINANCE): New timevar.
9859 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9861 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9863 PR rtl-optimization/14261
9864 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9865 move would be an INSV insn.
9866 (noce_process_if_block): Don't optimize if the destination is a
9867 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9869 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9871 * config/s390/s390.md: Add comments with the instructions emitted
9872 by an insn pattern if macros are used.
9874 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9876 PR rtl-optimization/26026
9877 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9878 is a known power of two shifted left a variable amount.
9880 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9882 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9883 to hash table twice when the debug_str section has SECTION_MERGE.
9885 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9887 * config/soft-fp: New directory. From glibc.
9888 * config/soft-fp/t-softfp: New.
9889 * config/soft-fp/README: New.
9890 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9891 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9892 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9893 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9894 * config.gcc: Use rs6000/t-fprules-fpbit or
9895 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9897 * config/rs6000/sfp-machine.h: New. Based on glibc.
9898 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9900 * config/rs6000/t-fprules: Remove fp-bit rules.
9901 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9902 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9903 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9904 (softfp_wrap_start, softfp_wrap_end): New.
9906 2006-04-18 DJ Delorie <dj@redhat.com>
9908 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9910 2006-04-18 Devang Patel <dpatel@apple.com>
9912 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9914 2006-04-18 Nick Clifton <nickc@redhat.com>
9916 * config/sh/t-symbian: Add rule to build sh-c.o
9917 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9918 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9919 (sh_symbian_encode_section_info): Likewise.
9921 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9923 * builtins.c (expand_builtin_strcmp): Cover label definition of
9924 do_libcall with HAVE_cmpstrnsi.
9926 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9928 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9930 * function.h (temp_slot_p): New.
9931 (function): Change the type of x_used_temp_slots to
9932 VEC(temp_slot_p,gc) *.
9934 2006-04-18 Nick Clifton <nickc@redhat.com>
9936 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9937 flag_strength_reduce.
9939 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9941 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9945 Partial revert of revision 112637
9946 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9947 Dale Johannesen <dalej@apple.com>
9950 * regclass.c (struct reg_pref): Update documentation.
9951 (regclass): Set prefclass to NO_REGS if memory is the best option.
9952 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9954 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9956 PR tree-optimization/26821
9957 * tree-ssa-math-opts.c (get_constant_one): New.
9958 (insert_reciprocals): Use it.
9960 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9962 * dwarf2out.c (free_AT): Delete.
9963 (remove_AT): Update string ref counts.
9964 (remove_child_TAG): Don't call free_die.
9966 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9967 or DW_TAG_GNU_EINCL.
9968 (prune_unused_types_walk_attribs): Reset string refcounts.
9969 (prune_unused_types_update_strings): New.
9970 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9971 call free_die. Do call prune_unused_types_update_strings.
9972 (prune_unused_types): Empty debug_str_hash.
9974 2006-04-17 Roger Sayle <roger@eyesopen.com>
9976 * expr.c (expand_assignment): Optimize away no-op moves where the
9977 source and destination are equal and have no side-effects.
9979 2006-04-17 Richard Guenther <rguenther@suse.de>
9982 * reload.c (push_reload): Guard calls to get_secondary_mem
9985 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9987 * alias.c (reg_base_value, old_reg_base_value): Change the
9988 type to VEC(rtx,gc) *.
9989 (REG_BASE_VALUE, find_base_value, record_set,
9990 init_alias_analysis): Use VEC instead of VARRAY.
9992 * alias.c (alias_sets): Change the type to
9993 VEC(alias_set_entry,gc) *.
9994 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9995 VEC instead of VARRAY.
9996 (last_alias_set): Remove.
9998 * cgraph.h (cgraph_edge_p): New.
9999 Update the prototype of cgraph_function_versioning.
10000 * cgraphunit.c (cgraph_copy_node_for_versioning,
10001 cgraph_function_versioning): Use VEC instead of VARRAY.
10002 * ipa-cp.c (ipcp_insert_stage): Likewise.
10004 2006-04-16 Roger Sayle <roger@eyesopen.com>
10007 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10008 "A op B" or "A op C", we may need to convert A to the type of B and C.
10010 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10012 * target.h (struct gcc_target): Add mode_rep_extended.
10013 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10014 (init_num_sign_bit_copies_in_rep): Initialize it using
10016 (truncate_to_mode): Use it.
10017 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10018 * targhooks.h (default_mode_rep_extended): Declare it.
10019 * targhooks.c (default_mode_rep_extended): Define it.
10020 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10021 default_mode_rep_extended.
10022 (TARGET_INITIALIZER): Include it.
10023 * doc/tm.texi (Misc): Document it.
10024 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10025 (mips_truncated_to_mode): New function.
10027 2006-04-16 Roger Sayle <roger@eyesopen.com>
10029 PR middle-end/25474
10030 * expr.c (compress_float_constant): Copy the narrow constant into
10031 a new pseudo before extending it to its final width.
10033 2006-04-16 Roger Sayle <roger@eyesopen.com>
10034 Andrew Pinski <pinskia@gcc.gnu.org>
10035 Dale Johannesen <dalej@apple.com>
10038 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10039 special case code to implement V8HImode and V16QImode with SSE2.
10041 2006-04-15 Roger Sayle <roger@eyesopen.com>
10043 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10044 trees are constructed with a suitable tree type.
10046 2006-04-15 Roger Sayle <roger@eyesopen.com>
10048 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10049 (integer_onep): Likewise.
10050 (integer_all_onesp): Likewise.
10051 (integer_pow2p): Likewise.
10052 (integer_nonzerop): Likewise.
10053 (real_zerop): Likewise.
10054 (real_onep): Likewise.
10055 (real_twop): Likewise.
10056 (real_minus_onep): Likewise.
10057 (int_size_in_bytes): Likewise.
10058 (host_integerp): Likewise.
10060 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10062 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10063 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10064 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10066 * tree-ssa-structalias.h (alias_info): Remove num_references.
10068 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10070 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10071 (output_bvb patterns): Likewise.
10072 * pa.c (output_bb): Use 'bb' insn for long branch case.
10073 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10074 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10075 1. Correct length operand for alternatives 1 and 2.
10076 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10077 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10079 2006-04-14 Roger Sayle <roger@eyesopen.com>
10081 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10082 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10083 were accidentally reverted by r112959.
10085 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10087 PR middle-end/26823
10088 * except.h (eh_region_outermost): New prototype.
10089 * except.c (eh_region_outermost): New function.
10090 * tree-cfg.c (find_outermost_region_in_block): Use it.
10092 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10094 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10096 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10097 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10098 (init_reload, reload): Use VEC instead of VARRAY.
10099 * reload.h: Update the prototype for
10100 reg_equiv_memory_loc_varray.
10102 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10103 Eric Botcazou <ebotcazou@libertysurf.fr>
10105 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10106 register save area.
10108 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10110 PR middle-end/27134
10111 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10112 to expand fallback builtin function call.
10114 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10116 PR middle-end/27095
10117 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10118 and emit libcall here in case the builtin fails.
10119 (expand_builtin_strcmp): Always emit the libcall here on failure.
10121 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10123 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10124 * flow.c (reg_n_info): Change the type to
10125 VEC(reg_info_p,heap) *.
10126 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10128 * regs.h (reg_info_p): New.
10129 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10130 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10131 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10134 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10136 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10138 * params.h (MAX_SCHED_READY_INSNS): New macro.
10139 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10140 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10141 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10142 the ready list for 1 cycle during the first scheduling pass.
10143 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10145 2006-04-13 Richard Henderson <rth@redhat.com>
10148 * gimple-low.c (lower_omp_directive): Remove dead code.
10149 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10150 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10151 * omp-low.c (struct omp_region): Move to tree-flow.h.
10152 (root_omp_region): Export.
10153 (omp_regions, lookup_omp_region): Remove.
10154 (determine_parallel_type): Update for struct omp_region changes.
10155 (dump_omp_region): Dump regions with block numbers.
10156 (new_omp_region): Take type and block instead of stmt; malloc
10158 (free_omp_region_1, free_omp_regions): New.
10159 (expand_parallel_call): Take entry_stmt as argument; update for
10160 changes to omp_region.
10161 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10162 (remove_exit_barriers): New.
10163 (expand_omp_parallel): Update for struct omp_region changes.
10164 (expand_omp_synch): Likewise.
10165 (expand_omp): Likewise.
10166 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10167 (expand_omp_for_static_chunk): Likewise.
10168 (expand_omp_for): Likewise.
10169 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10170 (expand_omp_sections): Similarly, with GOMP_sections_end.
10171 (expand_omp_single): New.
10172 (build_omp_regions_1): Update for OMP_CONTINUE.
10173 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10174 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10175 OMP_SECTIONS_SECTIONS.
10176 (lower_omp_single_simple): Don't emit barrier here.
10177 (lower_omp_single_copy): Likewise.
10178 (lower_omp_single): Fix bindings, and lower to straightline now.
10179 (lower_omp_master, lower_omp_ordered): Likewise.
10180 (lower_omp_critical): Likewise.
10181 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10182 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10183 omp edges, free it afterward.
10184 (make_omp_sections_edges): Remove.
10185 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10186 (move_stmt_r): Handle OMP_CONTINUE.
10187 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10188 statement pointers to basic blocks. Add type member.
10189 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10190 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10191 * tree-inline.c (estimate_num_insns_1): Likewise.
10192 * tree-pretty-print.c (dump_generic_node): Likewise.
10193 * tree-ssa-operands.c (get_expr_operands): Likewise.
10194 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10195 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10196 (OMP_CONTINUE): New.
10197 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10198 (OMP_SECTIONS_SECTIONS): Remove.
10199 (OMP_SECTION_LAST): New.
10200 (OMP_RETURN_NOWAIT): New.
10202 2006-04-13 Roger Sayle <roger@eyesopen.com>
10204 * fold-const.c (native_encode_vector, native_interpret_real):
10205 Correct obvious mistakes in the previous check-in.
10207 2006-04-13 Roger Sayle <roger@eyesopen.com>
10209 * fold-const.c (native_encode_expr): New function to encode
10210 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10211 or VECTOR_CST into a specified buffer.
10212 (native_encode_int): New function.
10213 (native_encode_real): New function.
10214 (native_encode_complex): New function.
10215 (native_encode_vector): New function.
10216 (native_interpret_expr): Inverse of native_encode_expr to convert
10217 a target representation into an INTEGER_CST, REAL_CST etc...
10218 (native_interpret_int): New function.
10219 (native_interpret_real): New function.
10220 (native_interpret_complex): New function.
10221 (native_interpret_vector): New function.
10222 (fold_view_convert_expr): New function to constant fold/evaluate
10223 a VIEW_CONVERT_EXPR of a suitable constant expression.
10224 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10225 Change call of build1 to fold_build1 when constructing a
10228 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10229 Ulrich Weigand <uweigand@de.ibm.com>
10232 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10235 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10238 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10239 optimize to lo_sum for DFmode if !TARGET_FPRS.
10241 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10243 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10244 delete_alias_info, compute_flow_sensitive_aliasing,
10245 group_aliases): Use VEC instead of VARRAY.
10246 * tree-ssa-structalias.c (update_alias_info): Likewise.
10247 * tree-ssa-structalias.h (alias_info): Change the type of
10248 processed_ptrs to VEC(tree,heap) *.
10250 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10253 * config/sh/lib1funcs.h: New file, broken out of:
10254 * config/sh/lib1funcs.asm.
10255 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10257 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10258 * config/sh/lib1funcs-Os-4-200.asm: New file.
10259 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10260 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10261 (EXTRA_MULTILIB_PARTS): Include it.
10262 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10263 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10264 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10265 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10268 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10270 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10271 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10272 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10274 * tree-ssa-live.h: Include vecprim.h.
10275 (tree_partition_associator_d): Change the type of
10276 first_partition to VEC(int,heap) *.
10277 (tpa_first_partition): Use VEC instead of VARRAY.
10279 * Makefile.in (GTFILES): Move functions.h after tree.h.
10280 * function.c (reset_block_changes, record_block_change,
10281 check_block_change, free_block_changes): Use VEC instead of
10283 * function.h (function): Change the type of
10284 ib_boundaries_block to VEC(tree,gc) *.
10285 * tree-inline.c (copy_cfg_body): Initialize
10286 ib_boundaries_block to NULL instead of (varray_type) 0.
10288 2006-04-12 Roger Sayle <roger@eyesopen.com>
10290 * expr.c (emit_group_store): Correct operand order in call to
10291 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10292 a SUBREG_BYTE of zero.
10294 2006-04-12 Richard Guenther <rguenther@suse.de>
10296 * profile.c (compute_branch_probabilities): Remove code
10297 encapsulated in !ir_type (), which are remanents of the
10298 removed RTL profiling code.
10299 * rtl-profile.c: Remove.
10301 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10303 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10304 magic NULL_RTX comment.
10305 (function_arg): Store entire fp arg to mem if any part should go
10307 (rs6000_arg_partial_bytes): Adjust for above change.
10309 2006-04-11 Roger Sayle <roger@eyesopen.com>
10311 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10312 if it hasn't been initialized by dwarf2out_init.
10314 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10316 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10317 symbolic constants in branch patterns.
10319 2006-04-11 Roger Sayle <roger@eyesopen.com>
10321 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10323 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10325 PR rtl-optimization/27073
10326 * gcse.c (try_replace_reg): Revert last change. Continue to search
10327 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10330 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10332 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10333 aggregate types other than record and union types.
10334 (function_arg): Likewise.
10335 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10337 (function_value): In 64-bit mode, return objects that require it
10340 2006-04-11 Roger Sayle <roger@eyesopen.com>
10342 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10344 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10346 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10348 2006-04-03 Jeff Law <law@redhat.com>
10351 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10352 alias information too.
10354 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10356 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10358 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10361 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10362 (premark_used_types_helper): New.
10363 (premark_used_types): New.
10364 (gen_subprogram_die): Call premark_used_types.
10365 (prune_unused_types_walk): Do not prune perennial dies.
10366 * function.c (used_types_insert): New.
10367 * function.h (struct function): Add used_types_hash field.
10368 (used_types_insert): Add prototype.
10369 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10370 * c-parser.c (c_parser_cast_expression): Save casted types in used
10373 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10376 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10377 rs6000_explicit_options.float_gprs.
10379 2006-04-10 Roger Sayle <roger@eyesopen.com>
10381 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10382 from ix86_expand_vector_init_low_nonzero. Take an additional
10383 one_var argument indicating which element is non-zero. Support
10384 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10385 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10386 with one_var instead of ix86_expand_vector_init_low_nonzero.
10388 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10390 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10391 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10392 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10393 build/genextract.o): Depend on vecprim.h.
10394 * cfglayout.c, df-problems.c, function.c, genextract.c,
10395 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10396 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10400 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10402 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10403 Declare VECs of this type.
10404 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10405 (remove_children): Delete.
10406 (add_dwarf_attr): Use VEC routines.
10407 (add_AT_flag): Update for changes to add_dwarf_attr.
10408 (add_AT_int): Likewise.
10409 (add_AT_unsigned): Likewise.
10410 (add_AT_long_long): Likewise.
10411 (add_AT_vec): Likewise.
10412 (add_AT_string): Likewise.
10413 (add_AT_die_ref): Likewise.
10414 (add_AT_fde_ref): Likewise.
10415 (add_AT_loc): Likewise.
10416 (add_AT_loc_list): Likewise.
10417 (add_AT_addr): Likewise.
10418 (add_AT_lbl_id): Likewise.
10419 (add_AT_lineptr): Likewise.
10420 (add_AT_macptr): Likewise.
10421 (add_AT_offset): Likewise.
10422 (add_AT_range_list): Likewise.
10423 (get_AT): Use VEC_iterate.
10424 (remove_AT): Use VEC_ordered_remove.
10425 (free_die): Fold remove_children into here; have it use VEC_iterate.
10426 (print_die): Use VEC_iterate on attrs.
10427 (reverse_die_lists): Don't reverse attr lists.
10428 (die_checksum): Use VEC_iterate on attrs.
10429 (same_die_p): Likewise.
10430 (output_location_lists): Likewise.
10431 (build_abbrev_table): Likewise.
10432 (size_of_die): Likewise.
10433 (unmark_all_dies): Likewise.
10434 (output_abbrev_section): Likewise.
10435 (output_die): Likewise.
10436 (prune_unused_types_walk_attribs): Likewise.
10438 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10440 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10442 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10445 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10447 2006-04-09 Roger Sayle <roger@eyesopen.com>
10449 * expr.c (store_constructor): Don't bother clearing target if
10450 we're about to assign a vector to it using vec_init_optab.
10452 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10454 * tree-ssa-alias.c (lhs_may_store_to): New function.
10455 (recalculate_used_alone): Handle LHS of calls.
10457 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10461 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10462 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10463 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10464 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10465 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10466 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10467 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10468 stubs. Add ".align 8" directives before all ".dword" directives.
10469 (GTHREAD_USE_WEAK): Revise comment.
10470 (TARGET_ATTRIBUTE_WEAK): Define.
10471 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10472 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10473 * stublib.c: New file.
10478 * pa.md (cbranch patterns): Revise arguments used in calls to
10479 output_cbranch, output_bb and output_bvd. Add long branch length
10481 (fbranch patterns): Handle long branches.
10482 (jump): Revise length check. Revise arguments for output_lbranch call.
10483 Add long branch length attributes.
10484 (decrement_and_branch_until_zero): Add long branch length attributes.
10485 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10486 Likewise. Revise arguments for output_parallel_addb and
10487 output_parallel_movb calls.
10488 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10489 output_parallel_movb and output_parallel_addb): Update prototypes.
10490 * pa.c (output_cbranch): Revise arguments. Correct handling of
10491 nullification in long branches.
10492 (output_lbranch): Add new argument to control extraction of delay
10494 (output_bb): Handle long branches.
10495 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10496 output_parallel_addb): Likewise.
10498 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10500 PR rtl-optimization/27073
10501 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10504 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10506 * tree.h (tree_memory_tag): Add old_used_alone.
10507 (SMT_OLD_USED_ALONE): New macro.
10508 * tree-ssa-alias.c (recalculate_used_alone): Stop
10509 marking things for renaming unnecessarily.
10511 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10513 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10514 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10515 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10516 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10517 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10518 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10519 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10520 spelling convensions.
10521 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10522 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10523 typos. Follow spelling conventions.
10525 2006-04-07 DJ Delorie <dj@redhat.com>
10527 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10528 passed on the stack.
10529 (m32c_init_cumulative_args): When a function returns a structure,
10530 always pass the pointer to that return area on the stack.
10531 (m32c_function_arg_advance): Don't increment the parameter number
10532 if we're processing the returned structure pointer.
10533 (pushm_info): Reverse order of registers.
10535 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10537 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10538 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10539 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10540 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10541 build_int_cst_type.
10542 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10543 chrec_fold_multiply): Same.
10544 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10545 force_expr_to_var_cost): Same.
10546 * tree-mudflap.c (mf_xform_derefs_1): Same.
10547 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10549 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10551 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10552 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10555 2006-04-07 Jan Hubicka <jh@suse.cz>
10557 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10559 2006-04-07 Richard Guenther <rguenther@suse.de>
10561 PR tree-optimization/26135
10562 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10563 loads for store copy-prop.
10564 (copy_prop_visit_stmt): Likewise.
10566 2006-04-05 Robert Millan <robertmh@gnu.org>
10568 * config/i386/linux.h: Add a comment to mark macros that are
10569 being overriden in config/k*bsd-gnu.h.
10570 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10572 * config/knetbsd-gnu.h: Ditto.
10574 2006-04-06 Jan Hubicka <jh@suse.cz>
10578 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10581 2006-04-06 Mike Stump <mrs@apple.com>
10583 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10584 for HAVE_nonlocal_goto to be consistent.
10585 (expand_builtin_nonlocal_goto): Likewise.
10586 (expand_builtin_strcmp): Use #ifdef instead of #if
10587 for HAVE_cmpstrnsi to be consistent.
10589 2006-04-05 DJ Delorie <dj@redhat.com>
10591 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10594 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10596 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10597 got-relative addressing for anything but SImode.
10599 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10600 even if the calling function doesn't modify them.
10602 2006-04-05 Richard Guenther <rguenther@suse.de>
10604 PR tree-optimization/26919
10605 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10606 to cgraph_estimate_size_after_inlining.
10608 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10610 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10612 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10614 PR tree-optimization/26996
10615 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10616 VECTOR_TYPE variables.
10618 2006-04-05 Richard Guenther <rguenther@suse.de>
10620 PR tree-optimization/26763
10621 * fold-const.c (fold_comparison): Move folding of
10622 PTR + CST CMP PTR + CST ...
10623 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10625 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10627 * doc/install.texi (Prerequisites): Refine some wording on
10628 bootstrapping and ksh.
10629 Move the version numbers of DejaGnu here from the testing section
10630 and fix casing of names.
10631 Fix markup and clarify wording for autogen requirements.
10632 Refer to GCJ instead of just java.
10633 Refer to SVN instead of CVS.
10634 Describe diffutils as useful instead of necessary.
10635 (Downloading the source): Refer to SVN instead of CVS.
10636 Adjust a link to our web site accordingly.
10637 (Configuration): Fix casing of Bison.
10638 (Building): Refer to SVN instead of CVS.
10639 Fix a sentence on the use of Bison and remove duplicate (and
10640 incorrect) version number of Bison requirement.
10641 Remove one redundant list of packages needed for building.
10642 (Specific): Avoid reference to CVS.
10644 2006-04-04 Eric Christopher <echristo@apple.com>
10646 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10647 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10648 (rs6000_handle_struct_attribute): New.
10649 (rs6000_ms_bitfield_layout_p): Ditto.
10651 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10653 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10654 NULL for dso parameter to atexit_common.
10656 2006-04-04 Eric Christopher <echristo@apple.com>
10658 * config/i386/i386.c (machopic_output_stub): Output \t
10659 between instructions and operands.
10661 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10663 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10664 satisfies_constraint_[IL] to explicit tests on value.
10666 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10668 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10669 set_nb_iterations_in_loop): Use build_int_cst instead of
10670 build_int_cst_type.
10671 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10672 build_int_cst instead of convert.
10674 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10676 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10677 new value 2 for incoming.
10678 * function.c (expand_function_start): Call struct_value_rtx
10679 with incoming as 2.
10680 * config/sparc/sparc.md: Comment updated_return.
10681 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10682 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10683 struct return if sparc_std_struct_return and incoming is 2.
10684 (print_operand): Do not adjust return if
10685 sparc_std_struct_return.
10687 2006-04-04 Roger Sayle <roger@eyesopen.com>
10689 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10690 convert in the middle-end.
10691 * expr.c (store_expr, store_constructor, get_inner_reference,
10692 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10694 * tree.c (build_range_type): Likewise.
10696 2006-04-04 Tom Tromey <tromey@redhat.com>
10698 * doc/install.texi (Prerequisites): Mention jar.
10700 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10702 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10705 2006-04-04 Matthias Klose <doko@debian.org>
10707 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10711 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10714 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10716 * doc/extend.texi (Function Attributes): Rewrite visibility
10717 attribute documentation.
10718 * doc/invoke.texi (C++ Dialect Options): Rewrite
10719 -fvisibility-inlines-hidden documentation to describe something
10720 entirely different, although in practise compatible.
10721 (Code Gen Options): Warn about system headers in -fvisibility=
10724 * doc/extend.texi (Other Builtins): Document that
10725 __builtin_nan is a compile-time constant only when its argument
10728 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10730 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10731 trying to remove TRUNCATE check if all bits outside the new mode
10732 are identical to the sign bit.
10734 2006-04-03 Jeff Law <law@redhat.com>
10736 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10737 and operand scanning in some common cases.
10739 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10740 Dale Johannesen <dalej@apple.com>
10743 * regclass.c (struct reg_pref): Update documentation.
10744 (regclass): Set prefclass to NO_REGS if memory is the best option.
10745 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10746 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10747 into account. For non-registers, equate an empty preferred
10748 reload class to a `!' in the constraint; move the if clause to
10749 do so after those that reject the insn.
10750 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10752 (find_dummy_reload): Likewise.
10753 * doc/tm.texi (Register Classes): Document what it means
10754 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10755 * config/i386/i386.c (ix86_preferred_reload_class): Force
10756 using SSE registers (and return NO_REGS for floating-point
10757 constants) if math is done with SSE.
10758 (ix86_preferred_output_reload_class): New.
10759 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10760 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10761 * config/i386/i386.md: Remove # register preferences.
10763 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10766 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10767 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10768 the type of nb_iter.
10769 (instantiate_parameters_1): Convert the operands before calling
10770 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10771 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10773 2006-04-02 Roger Sayle <roger@eyesopen.com>
10775 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10776 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10777 instead of convert.
10778 * dojump.c (do_jump): Likewise.
10779 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10780 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10781 gimplify_boolean_expr): Likewise.
10782 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10783 * varasm.c (array_size_for_constructor): Likewise.
10784 * tree-object-size.c (compute_object_offset): Likewise.
10786 2006-04-02 Roger Sayle <roger@eyesopen.com>
10788 PR middle-end/26977
10789 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10790 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10792 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10794 PR tree-optimization/26939
10795 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10797 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10799 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10800 at_stmt. Convert the type of operands before calling
10801 build_polynomial_chrec.
10802 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10803 add_to_evolution_1.
10804 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10805 (instantiate_parameters_1): Convert the type of operands before calling
10806 build_polynomial_chrec.
10807 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10808 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10809 reset_evolution_in_loop): Insert asserts to check the types of the
10811 (chrec_type): Moved...
10812 (eq_evolutions_p): Use operand_equal_p.
10813 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10814 the types of the operands.
10815 (chrec_type): ...here.
10816 * tree-data-ref.c (create_data_ref): Convert the operands before
10817 calling chrec_replace_initial_condition.
10818 (same_access_functions, analyze_subscript_affine_affine,
10819 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10820 (compute_subscript_distance, analyze_ziv_subscript,
10821 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10822 analyze_miv_subscript): Convert the operands before calling
10823 chrec_fold_minus or chrec_fold_plus.
10825 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10827 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10828 the dependence_relations vector.
10829 (compute_data_dependences_for_loop): Adjust call to
10830 compute_all_dependences.
10832 2006-04-01 Roger Sayle <roger@eyesopen.com>
10833 Richard Henderson <rth@redhat.com>
10835 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10836 gimple_boolify on the condition before calling gimplify_expr.
10838 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10840 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10841 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10842 the frame size. Update to use the new macros.
10843 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10844 * config/xtensa/ieee754-df.S: Likewise.
10846 2006-03-31 Richard Henderson <rth@redhat.com>
10848 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10849 (make_edges): ... here. Control fallthru creation with a local
10850 variable. Do not play with fake edges.
10851 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10852 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10855 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10857 * dwarf2.h (DW64_CIE_ID): Define.
10858 * dwarf2out.c (DWARF_CIE_ID): Define.
10859 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10860 length header. Use DWARF_CIE_ID.
10861 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10862 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10864 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10866 * config/sh/linux-atomic.asm: New file.
10867 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10869 2006-03-31 DJ Delorie <dj@redhat.com>
10871 * config/m32c/cond.md: Set condition flags properly throughout.
10872 * config/m32c/minmax.md: Likewise.
10873 * config/m32c/prologue.md: Likewise.
10874 * config/m32c/bitops.md: Likewise.
10875 * config/m32c/muldiv.md: Likewise.
10876 * config/m32c/mov.md: Likewise.
10877 * config/m32c/addsub.md: Likewise.
10878 * config/m32c/m32c.md: Likewise.
10879 * config/m32c/jump.md: Likewise.
10880 * config/m32c/shift.md: Likewise.
10882 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10883 conditionally output the pattern for this.
10884 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10885 (m32c_compare_redundant): New.
10886 (m32c_output_compare): New.
10887 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10889 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10890 dest, not src. Allow other 4-byte modes.
10892 2006-03-30 Denis Chertykov <denisc@overta.ru>
10894 * doc/md.texi: Refer to avr/constraints.md instead of
10897 2006-03-30 Roger Sayle <roger@eyesopen.com>
10899 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10900 signed vs. unsigned comparison failures on some hosts.
10902 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10905 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10906 change to FLOAT_REGS.
10908 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10909 (rs6000_override_options): Use it.
10910 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10911 only for -mabi=spe/no-spe and -mabi=altivec.
10913 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10915 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10918 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10920 * Makefile.in: Rename docdir to gcc_docdir.
10922 2006-03-30 Roger Sayle <roger@eyesopen.com>
10925 * expr.c (emit_group_store): Optimize group stores into a pseudo
10926 register by using a paradoxical subreg to initialize the destination
10927 if the first or last member of the group specifies a "low part".
10929 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10932 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10933 * target.h (struct gcc_target.speculate_insn): Change type of the
10934 second parameter to 'int'.
10935 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10936 the second operand of the DEPS_LIST.
10937 (copy_DEPS_LIST_list): Update reference to the second operand of the
10939 * rtl.h (alloc_DEPS_LIST): Update signature.
10940 * sched-int.h (ds_t): Change typedef to 'int'.
10941 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10943 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10945 * haifa-sched.c (try_ready): Change condition to restore
10946 non-speculative pattern of the instruction.
10947 (process_insn_depend_be_in_spec): Code to keep probability of the
10948 speculative dependence non-decreasing.
10950 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10952 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10953 (single_move_for_movmem): ... this. Also change all uses.
10954 (bfin_expand_strmov): Renamed to...
10955 (bfin_expand_movmem): ... this. Also change all uses.
10956 * config/bfin/bfin.md (movstrsi): Renamed to...
10957 (movstrsi): ...this.
10959 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10961 PR tree-optimization/26830
10963 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10964 (copy_prop_visit_stmt): Remove write-only variable ann.
10965 (init_copy_prop): Check variable loop depth here. Do not simulate
10966 memory-tag and virtual operand PHIs except for store copy prop.
10968 2006-03-30 Richard Guenther <rguenther@suse.de>
10970 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10971 variants with double arguments.
10973 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10975 * genpreds.c (write_tm_constrs_h): Delete variable p.
10976 * genconditions.c (write_header): Add tm-constrs.h to included
10978 * genpeep.c (main): Add toplev.h to included headers.
10979 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10980 (build/genpeep.o): Add toplev.h dependency.
10981 * config/rs6000/constraints.md: Add "W" constraint.
10983 2006-03-29 Roger Sayle <roger@eyesopen.com>
10985 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10986 sizes by correctly testing whether the size fits a host integer.
10987 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10988 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10989 SImode range for the default sizetype and bitsizetype.
10991 2006-03-29 Roger Sayle <roger@eyesopen.com>
10993 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10994 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10995 quickly if the argument is already of the correct type.
10996 Call fold_build1 instead of build1. Tidy up blank lines.
10998 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11000 * genemit.c (main): Add tm-constrs.h to included headers.
11001 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11002 * genpeep.c (main): Add tm-constrs.h to included headers.
11003 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11004 (write_tm_constrs_h): this and write complete file.
11005 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11006 (write_insn_preds_c): Add tm-constrs.h to included headers.
11007 (gen_constrs): New variable.
11008 (parse_option): Parse "-c".
11009 (main): Invoke write_tm_constrs_h.
11010 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11011 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11012 (object_out_file): Add tm-constrs.h dependency.
11013 (insn-emit.o): Same.
11014 (insn-output.o): Same.
11015 (insn-peep.o): Same.
11016 (insn-preds.o): Same.
11017 (insn-recog.o): Same.
11018 (tm-constsr.h): New target.
11019 (s-constrs-h): New target.
11021 * config/rs6000/constraints.md: New file.
11022 * config/rs6000/rs6000.c: Include tm-constrs.h.
11023 (num_insn_constant_wide): Convert to satisfies_constraint.
11024 (rs6000_rtx_costs): Convert to satisfies_constraint.
11025 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11026 (CONST_OK_FOR_LETTER_P): Delete.
11027 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11028 (EXTRA_CONSTRAINT): Delete.
11029 (EXTRA_MEMORY_CONSTRAINT): Delete.
11030 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11031 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11032 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11033 satisfies_constraint.
11035 * config/i386/i386.c: Include tm-constrs.h.
11037 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11039 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11040 * tree-data-ref.c (find_data_references_in_loop,
11041 compute_data_dependences_for_loop): Use pointers to VEC.
11042 (analyze_all_data_dependences): Adjust calls.
11043 * tree-data-ref.h (find_data_references_in_loop,
11044 compute_data_dependences_for_loop): Adjust declarations.
11045 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11046 compute_data_dependences_for_loop.
11048 2006-03-29 Paul Brook <paul@codesourcery.com>
11050 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11051 (movdf_vfp): Ditto.
11053 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11055 PR tree-optimization/26859
11056 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11058 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11059 for the step after fold_convert.
11061 2006-03-29 Paul Brook <paul@codesourcery.com>
11063 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11064 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11066 2006-03-29 Paul Brook <paul@codesourcery.com>
11068 PR middle-end/23623
11069 * targhooks.c (default_narrow_bitfield): New fuction.
11070 * targhooks.h (default_narrow_bitfield): add prototype.
11071 * target.h (gcc_target): Add narrow_volatile_bitfield.
11072 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11073 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11074 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11075 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11077 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11079 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11081 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11082 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11083 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11084 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11085 (s390_function_arg_float): Allow SDmode and DDmode values to be
11086 passed in floating point registers.
11087 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11088 check with SCALAR_FLOAT_MODE_P.
11089 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11091 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11093 PR tree-optimization/25985
11094 * tree-ssa-loop-niter.c (number_of_iterations_le,
11095 number_of_iterations_ne): Make comments more precise.
11096 (number_of_iterations_cond): Add only_exit argument. Use the
11097 fact that signed variables do not overflow only when only_exit
11099 (loop_only_exit_p): New.
11100 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11101 number_of_iterations_cond.
11103 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11105 PR tree-optimization/26643
11106 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11109 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11111 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11112 (divsi3_i4_int): Likewise.
11114 2006-03-28 Roger Sayle <roger@eyesopen.com>
11116 * expr.c (emit_group_store): Only create a new pseudo reg if the
11117 quantity it needs to hold isn't already a suitable pseudo.
11119 2006-03-28 Jeff Law <law@redhat.com>
11121 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11122 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11124 2006-03-28 Roger Sayle <roger@eyesopen.com>
11126 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11127 the equivalent ~X & Y, and the symmetry related transformations.
11128 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11129 ~X & Y, and symmetry related transforms.
11131 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11133 Revert my 2006-03-27 patches.
11135 2006-03-28 Roger Sayle <roger@eyesopen.com>
11137 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11138 ~(T1)X, when T1 and T2 are integer types of the same precision
11139 and (T2)X isn't an extension.
11141 2006-03-28 Jeff Law <law@redhat.com>
11143 PR tree-optimization/26796
11144 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11145 need EH edge cleanups rather than purging them immediately.
11146 (eliminate_degenerate_phis): Handle queued EH cleanups.
11148 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11150 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11153 2006-03-27 Roger Sayle <roger@eyesopen.com>
11155 PR middle-end/22524
11156 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11157 cast BIT_NOT_EXPR operand to the correct type.
11159 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11161 * tree-loop-linear.c: Don't include varray.h.
11162 (gather_interchange_stats, try_interchange_loops,
11163 linear_transform_loops): Use VEC instead of VARRAY.
11164 * lambda-mat.c: Don't include varray.h.
11165 * tree-chrec.c: Same.
11166 * lambda-trans.c: Same.
11167 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11168 VEC instead of VARRAY.
11169 * tree-vectorizer.h: Idem.
11170 * tree-data-ref.c (dump_data_references,
11171 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11172 initialize_data_dependence_relation, finalize_ddr_dependent,
11173 compute_all_dependences, find_data_references_in_loop,
11174 compute_data_dependences_for_loop, analyze_all_data_dependences,
11175 free_dependence_relation, free_dependence_relations,
11176 free_data_refs): Idem.
11177 * tree-data-ref.h (data_reference_p, subscript_p): New.
11178 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11179 VEC instead of VARRAY.
11180 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11181 (find_data_references_in_loop, compute_data_dependences_for_loop,
11182 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11183 dump_data_dependence_relations, free_dependence_relations,
11184 free_data_refs): Adjust declaration.
11185 (lambda_transform_legal_p): Move declaration here...
11186 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11187 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11188 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11189 vect_analyze_data_refs): Use VEC instead of VARRAY.
11190 * lambda.h (lambda_transform_legal_p): ...from here.
11191 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11192 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11193 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11194 tree-chrec.o): Don't depend on VARRAY_H.
11196 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11198 * rtl.def (Copyright): Update date.
11199 (DEPS_LIST): Change type of the second operand to 'int'.
11200 * target.h (Copyright): Update date.
11201 (struct gcc_target.speculate_insn): Change type of the second parameter
11203 * lists.c (Copyright): Update date.
11204 (alloc_DEPS_LIST): Change signature. Update reference to the second
11205 operand of the DEPS_LIST.
11206 (copy_DEPS_LIST_list): Update reference to the second operand of the
11208 * rtl.h (Copyright): Update date.
11209 (alloc_DEPS_LIST): Update signature.
11210 * sched-int.h (Copyright): Update date.
11211 (ds_t): Change typedef to 'int'.
11212 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11214 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11216 * haifa-sched.c (Copyright): Update date.
11217 (try_ready): Change condition to restore non-speculative pattern
11218 of the instruction.
11219 (process_insn_depend_be_in_spec): Code to keep probability of the
11220 speculative dependence non-decreasing.
11222 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11224 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11225 shut up the compiler.
11227 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11229 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11230 to use lib prefix for target.
11231 ($(T)libic_invalidate_array_4-200.a): Likewise.
11232 ($(T)libic_invalidate_array_4a.a): Likewise.
11234 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11235 J"orn Rennecke <joern.rennecke@st.com>
11237 * superh.opt: New file.
11238 * sh.c (boardtype, osruntime): Remove.
11239 * superh.h (SUBTARGET_OPTIONS): Remove.
11240 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11242 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11243 arguments with ^ and/or [].
11245 * config.gcc (sh-*-*): Add quoting to account for quirk of
11247 Replace == with = in enable_incomplete_targets test.
11249 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11250 with MASK_LITTLE_ENDIAN.
11252 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11253 * config/sh/sh.opt: Added to some comments.
11254 * config/sh/superh.h: Removed some chaff.
11256 * config/sh/sh.opt: Add m4-[1234]00* options.
11257 * config/sh/sh.c (sh_handle_option): Likewise.
11258 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11259 (ic_invalidate_array_4-100.o): New rule.
11260 ($(T)libic_invalidate_array_4-100.a): Likewise.
11261 (ic_invalidate_array_4-200.o): Likewise.
11262 ($(T)libic_invalidate_array_4-200.a): Likewise.
11263 (ic_invalidate_array_4a.o): Likewise.
11264 ($(T)libic_invalidate_array_4a.a): Likewise.
11265 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11266 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11268 * config/sh/crt1.asm: Merged in profiling code.
11269 * config/sh/superh.h (STARTFILE_SPEC): Override.
11270 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11271 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11272 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11274 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11275 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11276 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11278 * sh.opt (mpretend-cmove): New option.
11279 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11280 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11281 (movsicc): Add TARGET_PRETEND_CMOVE code.
11283 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11285 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11286 s390_class_max_nregs): New function prototypes.
11287 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11288 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11289 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11290 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11292 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11294 * dwarf2out.c (add_location_or_const_value_attribute): Call
11295 tree_add_const_value_attribute if nothing else works.
11296 (reference_to_unused): New.
11297 (rtl_for_decl_init): Use reference_to_unused to decide whether
11298 to output an initializer.
11300 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11303 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11304 peephole removing spe frob_di_df_2.
11306 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11308 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11309 (subscript_dependence_tester_1): Declared.
11310 (print_dir_vectors, print_dist_vectors): New.
11311 (debug_data_dependence_relation): New.
11312 (dump_data_dependence_relation): Print more details.
11313 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11314 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11315 (save_dist_v, save_dir_v, add_outer_distances,
11316 build_classic_dist_vector_1): New.
11317 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11318 Don't test for lambda_vector_lexico_pos.
11319 (same_access_functions, add_multivariate_self_dist,
11320 add_other_self_distances, dir_from_dist): New.
11321 (build_classic_dir_vector): Replace implementation almost identical to
11322 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11324 (subscript_dependence_tester_1): New.
11325 (subscript_dependence_tester): Handle the lexicographically negative
11326 distance vectors by recomputing the dependence relation.
11327 (compute_affine_dependence): Remove parameter loop_nest_depth.
11328 (compute_self_dependence): Don't call compute_subscript_distance.
11329 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11330 Add a parameter for the loop_nest.
11331 (find_loop_nest_1, find_loop_nest): New.
11332 (compute_data_dependences_for_loop): Compute the loop nest, and give
11333 up if the nest is not well formed.
11334 * tree-data-ref.h (loop_p): New.
11335 (struct data_dependence_relation): Replace size_vect field with
11336 loop_nest, a vec of loops.
11337 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11338 (DDR_LOOP_NEST): New.
11339 (print_dir_vectors, print_dist_vectors,
11340 debug_data_dependence_relation): Declared.
11341 (index_in_loop_nest): New.
11342 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11343 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11346 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11348 * simplify-rtx.c (simplify_relational_operation): Call
11349 simplify_relational_operation_1 even if mode is VOIDmode.
11351 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11353 PR tree-optimization/26804
11354 * tree.h (DECL_CALL_CLOBBERED): New macro.
11355 (tree_decl_common): Add call_clobbered_flag.
11356 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11357 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11358 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11359 (mark_non_addressable): Ditto.
11360 * tree-ssa.c (verify_call_clobbered): New function.
11361 (verify_alias_info): Use it.
11362 * tree-pass.h (pass_reset_cc_flags): New prototype.
11363 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11364 (reset_cc_flags): New function.
11365 * passes.c (init_optimization_passes): Call reset_cc_flags after
11366 initializing referenced_vars.
11368 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11369 Roger Sayle <roger@eyesopen.com>
11371 PR middle-end/26717
11372 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11373 to 1.0 for non-real operands. Implement A / A optimization for
11376 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11378 * config/i386/i386.c (size_cost): Correct the comment for
11379 cost of storing fp registers.
11380 (i386_cost): Likewise.
11381 (i486_cost): Likewise.
11382 (pentium_cost): Likewise.
11383 (pentiumpro_cost): Likewise.
11384 (k6_cost): Likewise.
11385 (athlon_cost): Likewise.
11386 (k8_cost): Likewise.
11387 (pentium4_cost): Likewise.
11388 (nocona_cost): Likewise.
11389 (generic64_cost): Likewise.
11390 (generic32_cost): Likewise.
11392 2006-03-24 Denis Chertykov <denisc@overta.ru>
11394 * config/avr/avr-protos.h (extra_constraint): Delete.
11395 (extra_constraint_Q): New declaration.
11396 * config/avr/constraints.md: New file.
11397 * config/avr/avr.md: Include it.
11398 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11399 (TMP_REGNO, ZERO_REGNO): Likewise.
11400 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11401 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11402 (extra_constraint): Delete.
11403 (extra_constraint_Q): Test for memory constraint 'Q'.
11404 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11405 (REG_CLASS_FROM_LETTER): Delete.
11406 (CONST_OK_FOR_LETTER_P): Delete.
11407 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11408 (EXTRA_CONSTRAINT): Delete.
11409 (TMP_REGNO): Delete.
11410 (ZERO_REGNO): Delete.
11412 2006-03-24 Jeff Law <law@redhat.com>
11414 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11415 directly. Call mark_new_vars_to_rename slightly earlier.
11417 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11419 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11420 (is_cxx): Likewise.
11421 (gen_compile_unit_die): Use new language types for Objective-C and
11423 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11424 DW_LANG_C_plus_plus.
11427 * config/t-darwin (crt3.o): Work around bug 26840.
11428 * config/darwin-crt3.c: Rewrite.
11429 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11431 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11433 * doc/invoke.texi: Document -femit-class-debug-always
11434 * common.opt: Add -femit-class-debug-always.
11436 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11438 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11439 index and base register.
11440 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11441 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11442 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11443 REGNO_OK_FOR_INDEX_P.
11444 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11446 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11447 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11448 REG_OK_FOR_BASE_P): Definitions removed.
11450 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11452 PR middle-end/26611
11453 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11454 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11455 set yet or weren't marked as local yet.
11457 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11459 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11462 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11464 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11465 (rs6000_legitimate_small_data_p): Delete.
11466 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11467 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11468 and make static. Add forward declaration. Update uses.
11469 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11470 of offsettable_memref_p.
11471 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11472 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11474 2006-03-24 Jeff Law <law@redhat.com>
11476 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11477 around bug in immediate-use iterator.
11479 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11482 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11483 or __LITTLE_ENDIAN__.
11485 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11487 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11488 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11489 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11490 * config/sh/sh.opt (mdiv=): Amend description.
11491 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11492 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11493 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11494 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11495 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11496 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11497 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11498 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11499 TARGET_DIVIDE_CALL_FP.
11501 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11503 * haifa-sched.c (choose_ready): Fix type of the local variable.
11504 Move local variables. Add comment.
11505 (check_reg_live): Change signature. Make callable from debugger.
11506 * sched-int.h (check_reg_live): Update signature.
11507 * sched-ebb.c (check_reg_live): Update parameters.
11508 * sched-rgn.c (check_reg_live): Ditto.
11509 (region_head_or_leaf_p): Check pointer before dereferencing.
11510 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11511 before reload on optimization levels below 1.
11513 2006-03-23 Richard Henderson <rth@redhat.com>
11515 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11519 * config/alpha/predicates.md (local_symbolic_operand): Reject
11522 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11525 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11526 expressions which have overflowed constants.
11528 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11530 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11532 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11534 * cfgloopmanip.c (create_loop_notes): Removed.
11535 * final.c (final_scan_insn): Do not handle loop notes.
11536 * jump.c (squeeze_notes): Ditto.
11537 * cfglayout.c (skip_insns_after_block,
11538 duplicate_insn_chain): Ditto.
11539 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11541 * cfgloop.h (create_loop_notes): Declaration removed.
11543 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11545 * varasm.c (output_constant_pool): Restore fnname and fndecl
11547 (assemble_start_function): Adjust call accordingly.
11548 (assemble_end_function): Likewise.
11550 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11553 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11556 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11558 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11561 * system.h (ICE_EXIT_CODE): New macro.
11562 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11563 (diagnostic_action_after_output): Likewise.
11564 * gcc.c (fatal_ice): New function.
11565 (execute): Use it instead of fatal.
11566 (fancy_abort): Likewise.
11567 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11569 2006-03-22 Jeff Law <law@redhat.com>
11571 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11572 iv_analyze_result returning false.
11574 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11576 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11578 2006-03-22 Richard Henderson <rth@redhat.com>
11580 PR middle-end/26084
11581 * except.c (duplicate_eh_regions_0): New.
11582 (duplicate_eh_region_1): Duplicate the children of the node as
11583 well as the node itself. Link them up properly.
11584 (duplicate_eh_region_2): Merge into ...
11585 (duplicate_eh_regions): ... here. Take copy_region argument, and
11586 copy only a sub-tree if asked. Simplify copying and fixup.
11587 (eh_region_outer_p): New.
11588 * except.h (duplicate_eh_regions): Update decl.
11589 (eh_region_outer_p): Declare.
11590 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11591 (lower_omp_master): Likewise.
11592 (lower_omp_ordered): Likewise.
11593 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11594 (move_stmt_r): Use it to remap labels. Handle recursion vs
11595 remap_decls_p properly.
11596 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11597 (find_outermost_region_in_block): New.
11598 (new_label_mapper): New.
11599 (move_sese_region_to_fn): Copy eh information to the new function
11601 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11603 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11606 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11608 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11609 into shared libraries.
11611 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11613 * doc/md.texi: Refer to i386/constraints.md instead of
11614 i386/predicates.md.
11615 * config/i386/constraints.md: New file, extracted from...
11616 * config/i386/predicates.md: ...here.
11617 * config/i386/i386.md: Include constraints.md.
11619 2006-03-21 Jason Merrill <jason@redhat.com>
11621 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11623 PR middle-end/20297
11624 * expr.c (init_block_move_fn): Force default visibility.
11625 (init_block_clear_fn): Likewise.
11626 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11627 * targhooks.c (default_external_stack_protect_fail): Likewise.
11629 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11631 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11632 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11633 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11634 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11635 (loadgp): Use mips_current_loadgp_style.
11636 (loadgp_noshared): New pattern.
11637 (sibcall_internal): Use MIPS_CALL.
11638 (sibcall_value_internal): Likewise.
11639 (sibcall_value_multiple_internal): Likewise.
11640 (call_internal): Likewise.
11641 (call_value_internal): Likewise.
11642 (call_value_multiple_internal): Likewise.
11643 (call_split): Use MIPS_CALL and add an 'S' constraint.
11644 (call_value_split): Likewise.
11645 (call_value_multiple_split): Likewise.
11646 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11647 (-mshared): New option.
11648 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11649 (mips_current_loadgp_style): Declare.
11650 * config/mips/mips.c (mips_classify_symbol): Avoid using
11651 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11652 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11653 TARGET_ABSOLUTE_ABICALLS.
11654 (override_options): Adjust comments. Improve the warning that is
11655 issued when -mabicalls and -G are used together.
11656 (mips_file_start): Remove comment.
11657 (mips_current_loadgp_style): New function.
11658 (mips_gnu_local_gp): New variable.
11659 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11661 (mips_output_function_prologue): Use mips_current_laodgp_style.
11662 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11663 the cprestore instruction.
11664 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11665 live for TARGET_ABSOLUTE_ABICALLS.
11666 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11667 (ASM_SPEC): Pass down -mshared and -mno-shared.
11668 (MIPS_CALL): New macro.
11669 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11671 * doc/invoke.texi (-mabicalls): Update documentation.
11672 (-mshared): Document.
11674 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11676 * config/ia64/unwind-hpux.c: New file.
11677 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11679 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11682 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11684 2006-03-21 Jeff Law <law@redhat.com>
11686 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11687 type conversions of a VR_VARYING source to a wider type.
11689 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11691 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11692 tm_file on Solaris 10 and later.
11693 (sparc64-*-solaris2*): Likewise.
11694 (sparc-*-solaris2*): Likewise.
11695 * config/sol26.h: Rename to config/sol2-6.h.
11696 * config/sol2-10.h: New file.
11698 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11701 * tree-ssa-pre.c (create_component_ref_by_pieces):
11704 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11707 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11708 return it immediately.
11710 2006-03-21 Michael Matz <matz@suse.de>
11712 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11714 (remove_arc, add_arc): Update num_out_arcs member.
11715 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11717 (cache_presence): New function.
11718 (compare_states_for_equiv): New function.
11719 (state_is_differed): Don't take number of outargs, adjust callers.
11720 Use new invariant for speeding up.
11721 (init_equiv_class): Create initial classes based on sorted
11723 (partition_equiv_class): Don't track out_arcs_num.
11724 (evaluate_equiv_classes): Call cache_presence on all states and
11727 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11729 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11730 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11731 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11732 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11734 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11735 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11736 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11737 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11738 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11740 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11741 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11742 (REGNO_REG_CLASS): ARGP is in PREGS.
11743 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11745 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11746 to deal with those addresses.
11747 * addresses.h: New file.
11748 * caller-save.c: Include "addresses.h".
11749 (init_caller_save): Use new base_reg_class function.
11750 * rtl-factoring.c: Include "addresses.h".
11751 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11752 * recog.c: Include "addresses.h".
11753 (preprocess_constraints): Use new base_reg_class function.
11754 * regrename.c: Include "addresses.h".
11755 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11756 functions. Keep track of a new var INDEX_CODE to compute valid
11758 (replace_oldest_value_addr): Likewise.
11759 (replace_oldest_value_mem): Use base_reg_class.
11760 * reload.c: Include "addresses.h".
11761 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11762 (find_reloads): Use new base_reg_class function.
11763 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11764 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11765 all callers and prototype changed.
11766 * reload1.c: Include "addresses.h".
11767 (maybe_fix_stack_asms): Use base_reg_class.
11768 * regclass.c: Include "addresses.h".
11769 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11770 (init_reg_autoinc): Use new base_reg_class function.
11771 (record_reg_classes): Likewise.
11772 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11773 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11774 Use new args to compute necessary class.
11776 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11777 regrename.o, rtl-factoring.o): Update dependencies.
11778 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11779 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11780 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11781 REG_OK_FOR_INDEX_P): Delete documentation.
11783 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11785 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11786 from V7 to V9 for Solaris 7 and above.
11788 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11790 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11791 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11792 argument pointers may not alias any other storage.
11793 * common.opt: Define option -fargument-noalias-anything.
11794 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11795 alias semantics is specified by flag_argument_noalias > 2.
11797 2006-03-20 Jeff Law <law@redhat.com>
11799 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11800 (pass_phi_only_cprop): Declare.
11801 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11802 with phi_only_cprop
11803 * tree-ssa-dom.c (degenerate_phi_result): New function.
11804 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11805 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11806 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11807 (eliminate_degenerate_phis): Likewise.
11808 (pass_phi_only_cprop): New pass descriptor.
11809 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11810 support code. Callers updated.
11811 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11812 (store_copy_prop): Likewise.
11813 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11815 2006-03-20 Jason Merrill <jason@redhat.com>
11818 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11819 (push_visibility, pop_visibility): Likewise.
11820 * c-pragma.h: Declare them.
11822 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11824 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11826 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11827 parameter and use get_ebb_head_tail.
11828 (sh_md_init_global): Adjust uses of find_regmode_weight.
11830 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11832 * function.h (struct function) <x_tail_recursion_reentry>:
11833 Rename to x_stack_check_probe_note.
11834 (tail_recursion_reentry): Rename to stack_check_probe_note.
11835 * function.c: Replace tail_recursion_reentry with
11836 stack_check_probe_note everywhere.
11837 (expand_function_start): Only emit a note for
11838 stack_check_probe_note with -fstack-protect.
11839 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11841 * emit-rtl.c (remove_unnecessary_notes): Remove.
11842 (pass_remove_unnecessary_notes): Remove.
11843 * rtl.h (remove_unnecessary_notes): Remove prototype.
11844 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11845 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11846 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11848 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11851 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11852 (valid_in_set): Handle ARRAY_REF.
11853 Change "if min_variant or VH" to asserts.
11854 (create_component_ref_by_pieces): Handle ARRAY_REF.
11855 (create_expression_by_pieces): Likewise.
11856 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11858 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11860 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11861 is operand of switch, not str[0].
11863 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11865 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11866 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11868 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11870 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11871 end of insn_extra_address_constraint declaration.
11873 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11875 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11876 (no-sum-in-toc): Same.
11877 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11879 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11880 NO_FP_IN_TOC for -fPIC instead of mask.
11882 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11883 (BOOT_LDFLAGS): Delete.
11885 * config/rs6000/t-aix52: Same.
11887 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11888 (stmsi[345678]_power): New.
11890 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11892 * config/ia64/ia64.opt: Add empty line to end of file.
11894 2006-03-17 Richard Guenther <rguenther@suse.de>
11896 PR middle-end/26721
11897 * builtins.c (get_pointer_alignment): For component style references
11898 adjust alignment to the component type alignment. Make sure
11899 to adjust alignment for component access of constants.
11901 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11903 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11904 unconditional jump.
11906 2006-03-17 Paul Brook <paul@codesourcery.com>
11908 * doc/install.texi: Docuemnt --with-mode.
11909 * config.gcc: Add --with-mode for arm*-*-*.
11910 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11912 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11914 * sh.c (max_labelno_before_reorg): New variable.
11915 (sh_reorg): Initialize it.
11916 (find_barrier): Check max_labelno_before_reorg before using
11917 label_to_alignment. Take length of explicit alignment insns
11918 into account. When seeing a UNSPECV_CONST_END, return it.
11920 * sh.c (fixup_mova): Set mode of affected label to QImode.
11921 (untangle_mova): New function.
11922 (find_barrier): Use it. Check mode of label before decrementing
11924 (sh_reorg): Likewise.
11925 Set mode of all insns back to VOIDmode.
11927 * sh.c (MOVA_LABELREF): New macro.
11928 (mova_p, fixup_mova, sh_reorg): Use it.
11929 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11930 ADDR_DIFF_VEC matches mova.
11932 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11934 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11935 with ATTRIBUTE_UNUSED.
11937 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11939 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11940 pointer, instead of assuming it is possible to derive the
11941 correct args size from a call insn.
11943 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11945 * rtl.h (CONST_INT_P): Define.
11946 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11947 instead of GET_CODE(x) == CONST_INT.
11948 (vax_rtx_costs): Likewise.
11949 (vax_output_int_move): Likewise.
11950 (vax_output_int_add): Likewise.
11951 (legitimate_constant_address_p): Likewise.
11952 (index_term_p): Likewise.
11953 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11954 * config/vax/vax.md (and<mode>3): Likewise.
11955 (ashrsi3): Likewise.
11957 (movstricthi): Likewise.
11958 (movstrictqi): Likewise.
11959 (rotrsi3): Likewise.
11960 (five unnamed insns): Likewise.
11962 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11964 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11965 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11966 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11967 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11968 Pass to ASM_OUTPUT_DWARF_OFFSET.
11969 * dwarf2out.c (debug_frame_section): New.
11970 (output_call_frame_info): Use debug_frame_section. Pass it to
11971 dw2_asm_output_offset.
11972 (output_die): Pass appropriate section to dw2_asm_output_offset.
11973 (output_compilation_unit_header): Likewise.
11974 (output_pubnames): Likewise.
11975 (output_aranges): Likewise.
11976 (enum dw_val_class): Break dw_val_class_lbl_offset into
11977 dw_val_class_lineptr and dw_val_class_macptr.
11978 (add_AT_lbl_offset): Delete.
11979 (add_AT_lineptr): New.
11980 (add_AT_macptr): New.
11981 (AT_lbl): Expect a lineptr or macptr.
11982 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11983 (attr_checksum): Likewise.
11984 (same_dw_val_p): Likewise.
11985 (size_of_die): Likewise.
11986 (value_format): Likewise.
11987 (output_die): Likewise.
11988 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11990 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11991 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11992 * config/darwin-protos.h (darwin_file_start): New.
11993 (darwin_asm_output_dwarf_offset): New.
11994 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11995 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11997 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11998 if not EH section; simplify.
11999 (darwin_file_start): New.
12000 (darwin_asm_output_dwarf_offset): New.
12001 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12003 (DEBUG_INFO_SECTION): Likewise.
12004 (DEBUG_ABBREV_SECTION): Likewise.
12005 (DEBUG_ARANGES_SECTION): Likewise.
12006 (DEBUG_MACINFO_SECTION): Likewise.
12007 (DEBUG_LINE_SECTION): Likewise.
12008 (DEBUG_LOC_SECTION): Likewise.
12009 (DEBUG_PUBNAMES_SECTION): Likewise.
12010 (DEBUG_STR_SECTION): Likewise.
12011 (DEBUG_RANGES_SECTION): Likewise.
12012 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12013 (ASM_OUTPUT_DWARF_OFFSET): New.
12015 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12017 * config.gcc (tm_defines): Always add to previous value rather
12020 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12022 * config/mips/predicates.md (splittable_const_int_operand): New,
12023 split from move_operand.
12024 (splittable_symbolic_operand): New.
12025 (move_operand): Add commentary. Use splittable_const_int_operand.
12026 Inline mips_atomic_symbolic_constant_p.
12027 * config/mips/mips.md: Add combine splitters for handling moves
12028 of splittable_const_int_operands and splittable_symbolic_operands.
12029 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12030 (mips_split_symbol): Declare.
12031 (mips_move_integer): Declare.
12032 * config/mips/mips.c (mips_split_p): Make global.
12033 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12034 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12035 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12036 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12037 (mips_offset_within_object_p): Handle block symbols.
12038 (mips_atomic_symbolic_constant_p): Delete.
12039 (mips_cannot_force_const_mem): Return false for constants that
12040 mips_legitimize_move can handle.
12041 (mips_use_blocks_for_constant_p): New function.
12042 (mips_split_symbol): Make global.
12043 (mips_move_integer): Likewise. Add a temporary register argument.
12044 (mips_legitimize_const_move): Use splittable_const_int_operand and
12045 splittable_symbolic_operand.
12046 (mips_use_anchors_for_symbol_p): New function.
12047 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12048 (mips_split_p): Declare.
12050 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12052 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12053 (mips*-*-linux*): Likewise.
12055 2006-03-16 Roger Sayle <roger@eyesopen.com>
12056 Daniel Speyer <dspeyer@wam.umd.edu>
12058 PR middle-end/18259
12059 * tree-dump.c (dump_real): New function.
12060 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12061 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12062 (tree-dump.o): Add $(REAL_H) to the dependencies.
12064 2006-03-16 Roger Sayle <roger@eyesopen.com>
12066 PR middle-end/21781
12067 * real.c (real_from_string): If the mantissa is zero, don't bother
12068 parsing the exponent as the result should always be zero.
12070 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12072 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12074 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12076 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12077 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12078 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12079 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12080 ia64_sched_finish_global): New static functions to implement
12081 hooks from gcc_target.sched.
12082 (spec_check_no, max_uid, pending_data_specs): New static variables.
12083 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12084 ia64_spec_check_src_p): New static functions.
12085 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12086 (TARGET_SCHED_ADJUST_COST): Removed.
12087 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12088 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12089 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12090 TARGET_SCHED_GEN_CHECK,
12091 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12092 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12093 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12094 Fixed to handle speculation checks.
12095 (rtx_needs_barrier): Fixed to handle speculative loads and
12097 (ia64_variable_issue): Added code to count speculative loads and their
12099 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12101 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12103 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12105 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12106 (ia64_reorg): Reset stops_p to NULL after it is freed.
12107 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12108 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12109 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12111 (data_speculative, control_speculative, check_load): New attributes.
12112 (mov<mode>_advanced, mov<mode>_speculative,
12113 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12114 zero_extend<mode>di2_speculative,
12115 zero_extend<mode>di2_speculative_advanced): New patterns for
12116 data and control speculative loads.
12117 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12119 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12120 New pattern for data and control speculation checks.
12121 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12122 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12123 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12124 Auxiliary definitions for the patterns.
12125 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12126 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12128 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12130 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12131 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12132 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12133 New resource constraints.
12134 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12136 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12137 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12138 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12139 msched-in-control-spec, msched-ldc, msched-control-ldc,
12140 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12141 msched-prefer-non-control-spec-insns,
12142 msched-count-spec-in-critical-path): New flags to tune speculative
12144 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12145 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12146 msched-in-control-spec, msched-ldc, msched-control-ldc,
12147 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12148 msched-prefer-non-control-spec-insns,
12149 msched-count-spec-in-critical-path): Document new flags.
12151 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12153 * target.h (struct spec_info_def): New opaque declaration.
12154 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12155 speculate_insn, needs_block_p, gen_check,
12156 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12157 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12158 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12159 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12160 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12161 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12163 (TARGET_SCHED): Use new macros.
12164 * rtl.h (copy_DEPS_LIST_list): New prototype.
12165 * sched-int.h (struct sched_info): Change signature of new_ready field,
12166 adjust all initializations. New fields: add_remove_insn,
12167 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12168 region_head_or_leaf_p.
12169 (struct spec_info_def): New structure declaration.
12170 (spec_info_t): New typedef.
12171 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12172 recovery_block, orig_pat.
12173 (glat_start, glat_end): New variables declaraions.
12174 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12176 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12177 DETACH_LIFE_INFO, USE_GLAT.
12178 (enum SPEC_SCHED_FLAGS): New enumeration.
12179 (NOTE_NOTE_BB_P): New macro.
12180 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12181 attach_life_info, debug_spec_status, check_reg_live): New functions.
12182 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12183 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12185 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12186 * ddg.c (get_block_head_tail): Adjust all uses.
12187 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12188 (sms_sched_info): Initialize new fields.
12189 (contributes_to_priority): Removed.
12190 * haifa-sched.c (params.h): New include.
12191 (get_block_head_tail): Adjust all uses.
12192 (ISSUE_POINTS): New macro.
12193 (glat_start, glat_end): New global variables.
12194 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12195 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12196 old_last_basic_block, before_recovery, current_sched_info_var,
12197 rgn_n_insns, luid): New static variables.
12198 (insn_cost1): New function. Move logic from insn_cost to here.
12199 (find_insn_reg_weight1): New function. Move logic from
12200 find_insn_reg_weight to here.
12201 (reemit_notes, move_insn, max_issue): Change signature.
12202 (move_insn1): Removed.
12203 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12204 extend_bb): New static functions to support extension of scheduler's
12206 (generate_recovery_code, process_insn_depend_be_in_spec,
12207 begin_speculative_block, add_to_speculative_block,
12208 init_before_recovery, create_recovery_block, create_check_block_twin,
12209 fix_recovery_deps): New static functions to support
12210 generation of recovery code.
12211 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12212 restore_bb_notes, move_block_after_check, move_succs): New static
12213 functions to support ebb scheduling.
12214 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12215 functions to support handling of register live information.
12216 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12217 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12218 add_jump_dependencies): New static functions.
12219 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12220 consistancy checking.
12221 (debug_spec_status): New function to call from debugger.
12222 (priority): Added code to handle speculation checks.
12223 (rank_for_schedule): Added code to distinguish speculative instructions.
12224 (schedule_insn): Added code to handle speculation checks.
12225 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12226 Fixed to handle ebbs.
12227 (move_insn): Added code to handle ebb scheduling.
12228 (max_issue): Added code to use ISSUE_POINTS of instructions.
12229 (choose_ready): Added code to choose between speculative and
12230 non-speculative instructions.
12231 (schedule_block): Added code to handle ebb scheduling and scheduling of
12232 speculative instructions.
12233 (sched_init): Initialize new variables.
12234 (sched_finish): Free new variables. Print statistics.
12235 (try_ready): Added code to handle speculative instructions.
12236 * lists.c (copy_DEPS_LIST_list): New function.
12237 * sched-deps.c (extend_dependency_caches): New function. Move logic
12238 from create_dependency_caches to here.
12239 (get_dep_weak, ds_merge): Make global.
12240 * genattr.c (main): Code to output prototype for
12241 dfa_clear_single_insn_cache.
12242 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12243 (output_dfa_clean_insn_cache_func): Code to output
12244 dfa_clear_single_insn_cache function.
12245 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12247 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12249 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12250 New static variables.
12251 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12252 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12254 (ebb_sched_info): Initialize new fields.
12255 (get_block_head_tail): Adjust all uses.
12256 (compute_jump_reg_dependencies): Fixed to use glat_start.
12257 (schedule_ebb): Code to remove unreachable last block.
12258 (schedule_ebbs): Added code to update register live information.
12259 * sched-rgn.c (region_sched_info): Initialize new fields.
12260 (get_block_head_tail): Adjust all uses.
12261 (last_was_jump): Removed. Adjust users.
12262 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12263 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12264 Implement new hooks.
12265 (check_dead_notes1): New static function.
12266 (struct region): New fields: dont_calc_deps, has_real_ebb.
12267 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12268 (BB_TO_BLOCK): Fixed to handle EBBs.
12269 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12270 (ebb_head): New static variable.
12271 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12272 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12274 (compute_dom_prob_ps): New assertion.
12275 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12276 global_live_at_start.
12277 (init_ready_list): New assertions.
12278 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12279 (new_ready): Add support for BEGIN_CONTROL speculation.
12280 (schedule_insns): Fixed code that updates register live information
12282 (schedule_region): Fixed to handle EBBs.
12283 (init_regions): Use extend_regions and check_dead_notes1.
12284 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12285 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12286 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12287 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12288 TARGET_SCHED_GEN_CHECK,
12289 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12290 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12291 * doc/invoke.texi (max-sched-insn-conflict-delay,
12292 sched-spec-prob-cutoff): Document.
12294 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12296 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12297 inter_tick, queue_index.
12298 (struct sched_info): Change signature of init_ready_list field.
12299 Adjust all initializations.
12300 (RESOLVED_DEPS): New access macro.
12301 (ready_add): Remove prototype.
12302 (try_ready): Add prototype.
12303 * sched-rgn.c (init_ready_list): Use try_ready.
12304 (schedule_region): Initialize
12305 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12306 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12307 (init_ready_list): Use try_ready.
12308 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12309 * lists.c (remove_list_elem): Remove `static'.
12310 (remove_free_INSN_LIST_elem): New function.
12311 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12312 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12313 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12315 (readyp): New variable.
12316 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12317 change_queue_index, resolve_dep): New static functions.
12318 (try_ready): New function. Adjust callers in sched-rgn.c and
12319 sched-ebb.c to use it instead of ready_add.
12320 (clock_var): Move at the begining of file.
12321 (rank_for_schedule): Fix typo.
12322 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12323 (ready_lastpos): Enforce assertion.
12324 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12325 update all callers.
12326 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12327 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12328 (queue_to_ready): Use free_INSN_LIST_list.
12329 (early_queue_to_ready): Fix typo.
12330 (schedule_block): Init readyp. Move init_ready_list call after the
12331 initialization of clock_var. Fix error in rejecting insn by
12332 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12333 that previously corrected INSN_TICKs. Add code for handling
12335 (set_priorities): Fix typo.
12336 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12337 Clarify comment and code that keeps current_sched_info->next_tail
12340 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12342 * sched-rgn.c (extend_rgns): New static function.
12343 (find_rgns): Use it.
12344 (gather_region_statistics, print_region_statistics): New static
12346 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12347 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12349 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12350 Andrey Belevantsev <abel@ispras.ru>
12352 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12353 * lists.c (unused_deps_list): New variable.
12354 (free_list): Add assertions to verify the proper distinguishing
12355 between INSN_LISTs and DEPS_LISTs.
12356 (find_list_elem, remove_list_elem, remove_list_node): New static
12358 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12359 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12360 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12361 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12363 (free_INSN_LIST_node): Likewise.
12364 * modulo-sched.c (current_sched_info): Initialize flags field.
12365 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12366 * rtl.def (DEPS_LIST): Define.
12367 * rtl.h: Declare new functions from lists.c.
12368 * sched-deps.c (spec_dependency_cache): New static variable.
12369 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12370 (add_dependence): Change return type to void. Move the logic to ...
12371 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12372 (delete_all_dependences): Add comment about forward_dependency_cache.
12373 Handle spec_dependency_cache. Handle DEPS_LISTs.
12374 (fixup_sched_groups): Clarify the change of priority of output
12375 and anti dependencies.
12376 (sched_analyze_2): Adjust add_dependence calls to create data
12377 speculative dependence.
12378 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12379 Adjust all callers. Handle DEPS_LISTS.
12380 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12381 presence of speculation.
12382 (init_dependency_caches, free_dependency_caches):
12383 Handle spec_dependency_cache.
12384 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12385 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12386 New static functions.
12387 (add_or_update_back_dep, add_or_update_back_forw_dep,
12388 add_back_forw_dep, delete_back_forw_dep): New functions.
12389 * sched-int.h (ds_t, dw_t): New typedefs.
12390 (struct sched_info): Add new field flags.
12391 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12392 Prototype new sched-deps.c functions.
12393 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12394 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12395 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12396 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12397 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12398 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12400 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12402 * sched-rgn.c (current_sched_info): Initialize flags field.
12403 (schedule_insns): Initialize current_sched_info before the sched_init
12405 * sched-ebb.c (current_sched_info): Initialize flags field.
12406 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12407 Call add_or_update_back_dep instead of add_dependence.
12408 Create control speculative dependencies.
12409 (schedule_insns): Initialize current_sched_info before the sched_init
12412 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12414 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12416 (sh_fallback_frame_state): Likewise.
12418 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12420 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12421 Do switch on default_use_cxa_atexit.
12422 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12423 * config/darwin-crt3.o: New.
12424 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12425 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12426 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12428 * config/rs6000/t-darwin: Move crt2.o building to here.
12429 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12430 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12433 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12435 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12436 from '! xxx' to '!xxx' for coding-style conformance.
12437 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12438 (EXTRA_CONSTRAINT): Likewise.
12439 * config/vax/vax.md (four unnamed insns): Likewise.
12441 2006-03-15 Paul Brook <paul@codesourcery.com>
12443 * config/arm/arm.c (minipool_pad): New.
12444 (add_minipool_forward_ref): Include pool alignment padding in address
12446 (push_minipool_fix): Set minipool_pad.
12447 (minipool_pad): Ditto.
12449 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12451 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12452 instead of GET_CODE() == MEM and REG_P() instead of
12454 (print_operand_address): Likewise.
12455 (vax_address_cost): Likewise.
12456 (vax_rtx_costs): Likewise.
12457 (vax_notice_update_cc): Likewise.
12458 (vax_output_int_add): Likewise.
12459 (INDEX_REGISTER_P): Likewise.
12460 (BASE_REGISTER_P): Likewise.
12461 (nonindexed_address_p): Likewise.
12462 (vax_mode_dependent_address_p): Likewise.
12463 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12464 (PRINT_OPERAND): Likewise.
12465 * config/vax/vax.md (ashlsi3): Likewise.
12466 (ashlsi3): Likewise.
12467 (some more unnamed insns): Likewise.
12469 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12471 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12472 iterator-style macro.
12473 (mark_control_dependent_edges_necessary): Update the use of
12474 EXECUTE_IF_CONTROL_DEPENDENT.
12476 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12478 * config/sh/predicates.md (cache_address_operand): Special.
12479 (ua_address_operand): Likewise.
12481 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12483 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12485 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12487 2006-03-15 Andreas Schwab <schwab@suse.de>
12489 * gensupport.c (identify_predicable_attribute): Don't free p_false
12490 when it is still in use.
12492 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12494 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12495 the default setting here.
12497 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12499 * tree-pass.h (pass_cfg): Remove.
12500 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12501 * passes.c (pass_cfg): Don't run it.
12503 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12505 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12506 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12508 (stack_regs_mentioned): Update the uses of
12509 stack_regs_mentioned_data. Don't access the array beyond its
12511 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12512 Don't include gt-reg-stack.h.
12514 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12515 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12517 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12519 PR middle-end/26684
12520 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12523 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12525 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12527 2006-03-14 Richard Guenther <rguenther@suse.de>
12529 PR tree-optimization/26672
12530 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12533 2006-03-14 Richard Guenther <rguenther@suse.de>
12535 PR tree-optimization/26667
12536 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12537 node for the callees. Always allow inlining if it will shrink
12540 2006-03-14 Richard Guenther <rguenther@suse.de>
12542 PR middle-end/26659
12543 * builtins.c (get_pointer_alignment): Prefer alignment
12544 information from decls over that from types.
12546 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12549 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12551 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12553 * config/rs6000/rs6000.opt (mdlmzb): New option.
12554 (msched-prolog, msched-epilog): Use Var not Mask.
12555 * doc/invoke.texi (-mdlmzb): Document.
12556 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12558 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12559 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12561 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12563 PR rtl-optimization/25739
12564 * bt-load.c (augment_live_range): Free tos pointer.
12566 * gensupport.c (identify_predicable_attribute): Free
12568 * gcov.c (create_file_names): Free name pointer.
12570 2006-03-13 Roger Sayle <roger@eyesopen.com>
12572 PR middle-end/26557
12573 * stmt.c (emit_case_nodes): Handle the case where the index is a
12574 CONST_INT, where the comparison mode is specified by the index type.
12576 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12578 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12581 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12583 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12584 (*branch_fp_inverted): Likewise.
12586 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12588 PR middle-end/25989
12589 * omp-low.c (expand_omp_for_generic): Mark istart0
12590 and iend0 as addressable.
12592 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12594 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12596 2006-03-13 Jeff Law <law@redhat.com>
12598 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12599 virtual operands are interesting.
12600 (vrp_visit_stmt): Corresponding changes.
12602 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12604 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12606 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12607 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12608 * config/bfin/crti.S: Use it instead of __PIC__.
12609 * config/bfin/crtn.S: Likewise.
12611 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12612 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12614 Lose 'G' modifier for call operand.
12615 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12616 recognize 'G' modifier.
12618 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12620 PR middle-end/18859
12621 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12622 * stmt.c (expand_case): Likewise.
12624 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12626 PR rtl-optimization/26254
12627 * loop-invariant.c (seq_insns_valid_p): New function.
12628 (move_invariant_reg): Only emit new code if it is valid.
12630 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12632 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12634 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12635 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12636 (commit_one_edge_insertion): Do not look for loop notes.
12638 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12640 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12641 flag_test_coverage out of loop.
12643 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12645 * final.c (shorten_branches): Remove outdated comment, and turn
12646 the if branch that guards it to continue.
12648 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12650 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12651 * cfgloop.h (struct loop): Remove unused fields.
12653 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12655 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12656 (-dL, -fdump-rtl-loop2): Update the dump file names
12658 * doc/invoke.texi: Update dump file names.
12660 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12662 * predict.c (estimate_probability): Remove.
12663 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12664 * basic-block.h (estimate_probability): Remove prototype.
12665 * passes.c (finish_optimization_passes): Dump branch prediction or
12666 profiling heuristics to the .profile tree dump.
12667 (init_optimization_passes): Unqueue pass_branch_prob.
12669 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12671 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12673 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12674 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12676 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12678 * function.h (frame_offset_overflow): Declare.
12679 * function.c (frame_offset_overflow): New function.
12680 (assign_stack_local_1): Call it to detect that the offset overflows.
12681 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12683 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12685 * config/sh/sh.c: Include alloc-pool.h.
12686 (label_ref_list_pool): New alloc pool.
12687 (label_ref_list_t): New type for lists of labels.
12688 (struct pool_node): Make wend a label_ref_list_t.
12689 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12691 (dump_table): Likewise.
12692 (sh_reorg): Set up the alloc pool before using add_constant and
12693 dump_table, and destroy it when finishing.
12695 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12697 * config/mips/mips.c: Remove redundant comment.
12699 2006-03-10 Jason Merrill <jason@redhat.com>
12702 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12703 the target was declared 'register'.
12705 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12707 * genpreds.c (write_insn_constraint_len): Change definition of
12708 insn_constraint_len to return size_t to match the declaration.
12710 2006-03-10 DJ Delorie <dj@redhat.com>
12712 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12714 (m32c_expand_insv): Fix test for an AND mask.
12716 2006-03-10 Richard Guenther <rguenther@suse.de>
12718 PR middle-end/26565
12719 * builtins.c (get_pointer_alignment): Handle component
12720 references for field alignment.
12722 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12724 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12725 when building with libgloss.
12726 (sh*elf): Implement --without-fp option.
12727 (sh64-superh-linux*): Don't multilib.
12729 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12731 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12733 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12735 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12736 Set it when one of the replacement functions returned true.
12737 Return TODO_cleanup_cfg if cfgchanged is true.
12738 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12740 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12742 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12743 instead of gen_lowpart.
12745 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12747 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12749 (mips_output_order_conditional_branch): Declare.
12750 * config/mips/mips.h (MIPS_BRANCH): New macro.
12751 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12752 for the comparison. Use gen_condjump.
12753 (mips_output_conditional_branch): Rework interface to take the
12754 asm templates for a direct branch and the inverse of a direct branch.
12755 (mips_output_order_conditional_branch): New function.
12756 (mips_builtin_branch_and_move): New function.
12757 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12758 branch condition. Use gen_single_cc as the condition for
12759 __builtin_mips_upper_* or __builtin_mips_lower_*.
12760 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12761 Use VOIDmode for the branch condition.
12762 * config/mips/predicates.md (order_operator): New predicate.
12763 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12764 (branch_fp): Rename to...
12765 (*branch_fp): ...this. Remove mode from comparison operator.
12766 Use new mips_output_conditional_branch interface.
12767 (branch_fp_inverted): Rename to...
12768 (*branch_fp_inverted): ...this and update as for *branch_fp.
12769 (*branch_zero<mode>): Rename to...
12770 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12771 Use mips_output_order_conditional_branch. Only accept ordered
12773 (*branch_zero<mode>_inverted): Rename to...
12774 (*branch_order<mode>_inverted): ...this and update as for
12775 *branch_order<mode>.
12776 (*branch_equality<mode>): Accept zero as the second operand to
12777 the equality operator. Use the new mips_output_conditional_branch
12779 (*branch_equality<mode>_inverted): Likewise.
12780 (condjump): New expander.
12781 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12783 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12784 (bc1any2t, bc1any2f): Likewise.
12785 (single_cc): New expander.
12786 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12788 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12790 * doc/md.texi: Update documentation of MIPS constraints.
12791 * config/mips/constraints.md: New file.
12792 * config/mips/mips.md: Include it.
12793 * config/mips/mips.c (mips_char_to_class): Delete.
12794 (override_options): Don't initialize mips_char_to_class.
12795 * config/mips/mips.h (mips_char_to_class): Delete.
12796 (REG_CLASS_FROM_LETTER): Delete.
12797 (CONST_OK_FOR_LETTER_P): Delete.
12798 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12799 (EXTRA_CONSTRAINT_Y): Delete.
12800 (EXTRA_CONSTRAINT_STR): Delete.
12801 (CONSTRAINT_LEN): Delete.
12802 (EXTRA_MEMORY_CONSTRAINT): Delete.
12804 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12806 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12807 original fn's eh regions.
12809 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12811 * fold-const.c (build_range_check): Make sure to use a valid type to
12812 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12815 (range_predecessor): New static function.
12816 (range_successor): Likewise.
12817 (merge_ranges): Use them to compute predecessors and successors of
12820 2006-03-09 Roger Sayle <roger@eyesopen.com>
12822 PR middle-end/26561
12823 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12824 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12826 2006-03-08 DJ Delorie <dj@redhat.com>
12828 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12829 (addpsi3): Expand to include memory operands. Remove
12830 reload-specific splits.
12831 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12832 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12833 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12834 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12835 (shift1_qi, shift1_hi, insv): New.
12836 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12837 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12838 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12840 * config/m32c/m32c-protos.h: Update as needed.
12841 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12842 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12843 Fail for unrecognized R* constraints.
12844 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12845 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12846 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12848 (m32c_init_libfuncs): New.
12849 (m32c_legitimate_address_p): Add debug wrapper.
12850 (m32c_rtx_costs): New.
12851 (m32c_address_cost): New.
12852 (conversions): Add 'B' prefix.
12853 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12854 operands, or word regnames for QI operands. 'B' prints bit
12856 (m32c_expand_setmemhi): New.
12857 (m32c_expand_movmemhi): New.
12858 (m32c_expand_movstr): New.
12859 (m32c_expand_cmpstr): New.
12860 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12861 (m32c_expand_neg_mulpsi3): Handle non-ints.
12862 (m32c_cmp_flg_0): New.
12863 (m32c_expand_movcc): New.
12864 (m32c_expand_insv): New.
12865 (m32c_scc_pattern): New.
12866 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12867 a0/a1 out of SIregs.
12868 (STORE_FLAG_VALUE): New.
12869 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12872 * config/m32c/mov.md: Make constraints more liberal.
12873 (zero_extendqihi2): Optimize r0/r1 case.
12874 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12875 * config/m32c/predicates.md (m32c_any_operand): New.
12876 (m32c_nonimmediate_operand): New.
12877 (m32c_hl_operand): New.
12878 (m32c_r3_operand): New.
12881 (memsym_operand): New.
12882 (memimmed_operand): New.
12883 (a_qi_operand): New.
12884 (m32c_eqne_operator): New.
12885 (m32c_1bit8_operand): New.
12886 (m32c_1bit16_operand): New.
12887 (m32c_1mask8_operand): New.
12888 (m32c_1mask16_operand): New.
12889 * config/m32c/blkmov.md: New file.
12890 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12892 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12894 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12895 unsigned to fix signed/unsigned comparison issue in
12896 DWARF2_FRAME_REG_OUT.
12897 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12898 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12900 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12901 of ptr into the ENABLE_CHECKING section.
12903 2006-03-08 Jeff Law <law@redhat.com>
12905 * tree-vrp.c (infer_value_range): Only count pointer uses
12906 and dereferences if -fdelete-null-pointer-checks is enabled.
12908 * tree-vrp.c (find_assert_locations): Infer value ranges for
12909 single use pointers, but do not create ASSERT_EXPRs for them.
12910 When a non-null range is inferred for a pointer, backwards
12911 propagate that range to other equivalent pointers through the
12914 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12917 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12918 language hook targets.
12919 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12920 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12921 if language hook targets were missing.
12923 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12925 * tree-ssa-opfinalize.h: Removed.
12926 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12928 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12929 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12930 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12931 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12932 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12933 finalize_ssa_v_must_def_ops): New.
12935 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12937 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12938 block as parameter.
12940 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12942 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12944 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12945 addresses with offsets; reorganize.
12947 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12948 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12949 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12951 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12954 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12956 2006-03-08 Ben Elliston <bje@au.ibm.com>
12958 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12960 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12963 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12966 2006-03-07 Richard Guenther <rguenther@suse.de>
12968 PR tree-optimization/26587
12969 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12971 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12973 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12975 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12977 * hooks.c (hook_bool_mode_rtx_true): New function.
12978 * hooks.h (hook_bool_mode_rtx_true): Declare.
12979 * toplev.c (compile_file): Call output_shared_constant_pool.
12980 * varasm.c (shared_constant_pool): New variable.
12981 (assemble_start_function, assemble_end_function): Remove arguments
12982 from call to output_constant_pool.
12983 (create_constant_pool): New function, split out from...
12984 (init_varasm_status): ...here.
12985 (force_const_mem): Choose between the shared and per-function constant
12986 pools. Set current_function_uses_const_pool when reusing old entries
12987 as well as when creating new ones.
12988 (mark_constant): Ignore data argument.
12989 (mark_constants): Remove pool argument.
12990 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12991 to decide whether the function uses a constant pool.
12992 (output_constant_pool_contents): New function, split out from...
12993 (output_constant_pool): ...here.
12994 (output_shared_constant_pool): New function.
12995 (init_varasm_once): Initialize shared_constant_pool.
12996 * output.h (output_constant_pool): Delete.
12997 (output_shared_constant_pool): Declare.
12998 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12999 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13001 2006-03-06 Nick Clifton <nickc@redhat.com>
13003 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13004 flag_strength_reduce.
13006 2006-03-06 Ben Elliston <bje@au.ibm.com>
13008 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13009 x86_64-*-linux* configurations.
13011 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13012 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13014 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13016 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13018 * basic-block.h: Remove the extern for
13019 rediscover_loops_after_threading.
13021 * cfgloop.c (cancel_loop): Make it static.
13022 * cfgloop.h: Remove the prototype for cancel_loop.
13024 * flow.c (recompute_reg_usage): Make it static.
13025 * rtl.h: Remove the prototype for recompute_reg_usage.
13027 * function.c (use_return_register): Make it static.
13028 * function.h: Remove the prototype.
13030 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13032 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13034 * recog.h: Remove the prototype for
13035 validate_change_maybe_volatile.
13037 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13039 * rtlanal.c (replace_reg): Remove.
13040 * rtl.h: Remove the prototype for replace_reg.
13042 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13044 * regclass.c (reg_scan_update): Remove.
13045 (reg_scan_mark_refs): Remove the last argument.
13046 * rtl.h: Remove the prototype for reg_scan_update.
13048 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13050 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13051 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13052 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13053 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13054 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13055 loop-invariant.c, omp-low.c, opts.c, passes.c,
13056 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13057 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13058 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13059 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13060 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13061 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13063 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13065 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13066 * dwarf2out.h: Remove the prototype for
13067 dwarf2out_add_library_unit_info.
13069 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13071 * tree.c (add_var_to_bind_expr): Remove.
13072 * tree.h: Remove the prototype for add_var_to_bind_expr.
13074 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13076 * regclass.c (n_non_fixed_regs): Remove.
13077 (init_reg_sets_1, globalize_reg): Remove all uses of
13079 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13081 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13083 * rtlanal.c (insns_safe_to_move_p): Remove.
13084 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13086 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13088 * expmed.c (expand_mult_add): Remove.
13089 * expr.h: Remove the prototype for expand_mult_add.
13091 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13093 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13094 and REG_SAVED_VAL_EXP constants.
13095 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13096 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13097 Handle regs stored by value.
13098 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13099 (execute_cfa_program): Handle DW_CFA_val_offset,
13100 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13101 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13102 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13103 (uw_install_context_1): Handle target regs stored by value.
13105 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13107 * tree-sra.c (tree_sra): Return todoflags;
13108 (generate_one_element): Set TODO_update_smt_usage if needed.
13109 (pass_sra): Remove TODO_update_smt_usage.
13110 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13112 (tree_ssa_forward_propagate_single_use_vars): Return
13113 TODO_update_smt_usage if we need to update SMT usage.
13114 (pass_forwprop): Remove TODO_update_smt_usage.
13116 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13118 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13119 (correct_use_link): Remove reference to get_stmt_operands.
13120 (update_stmt_operands): Likewise.
13121 (get_modify_expr_operands): New function factored out of
13122 parse_ssa_operands and get_expr_operands.
13123 Try to create V_MUST_DEFs for LHS by default.
13124 (get_expr_operands) <case MODIFY_EXPR>: Call
13125 get_modify_expr_operands.
13126 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13127 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13128 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13129 get_modify_expr_operands.
13131 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13133 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13134 * tree-flow.h: Remove the prototype for
13135 referenced_var_lookup_if_exists.
13137 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13139 PR rtl-optimization/26345
13141 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13143 2006-03-03 Roger Sayle <roger@eyesopen.com>
13145 PR tree-optimization/26524
13146 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13147 fold_convert to create a constant of the appropriate type.
13149 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13151 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13152 SYMBOL_REF_IN_BLOCK_P.
13153 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13154 of SYMBOL_FLAG_IN_BLOCK.
13155 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13156 instead of SYMBOL_REF_IN_BLOCK_P.
13157 * explow.c (use_anchored_address): Likewise.
13158 * rtl.c (rtx_size): Likewise.
13159 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13160 instead of SYMBOL_FLAG_IN_BLOCK.
13161 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13162 SYMBOL_REF_IN_BLOCK_P.
13163 (assemble_variable): Likewise.
13164 (output_constant_def_contents): Likewise.
13165 (output_constant_pool): Likewise.
13166 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13167 instead of SYMBOL_FLAG_IN_BLOCK.
13168 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13169 SYMBOL_REF_IN_BLOCK_P.
13170 (SYMBOL_REF_BLOCK): Likewise.
13171 (SYMBOL_REF_OFFSET): Likewise.
13172 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13173 SYMBOL_REF_IN_BLOCK_P.
13174 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13175 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13176 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13177 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13179 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13181 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13183 2006-03-02 Roger Sayle <roger@eyesopen.com>
13185 * simplify-rtx.c (simplify_unary_operation): When simplifying
13186 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13187 that we perform the right shift in the appropriate mode, and
13188 then extend or truncate the result to requested mode.
13190 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13192 * gengtype.c (main): Handle double_int type.
13193 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13194 * double-int.c: New file.
13195 * double-int.h: New file.
13196 * system.h: Include doubleint.h.
13197 * Makefile.in (SYSTEM_H): Include double-int.h.
13198 (double-int.o): Add.
13200 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13203 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13206 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13208 * tree-vrp.c (remove_range_assertions): Do not update statements
13211 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13213 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13215 * gcse.c (rest_of_handle_gcse): Ditto.
13216 * except.c (gate_handle_eh): Ditto.
13217 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13218 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13220 2006-03-02 Eric Christopher <echristo@apple.com>
13222 * config/i386/i386.c (machopic_output_stub): Add indirection to
13225 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13229 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13231 Sun Niagara specific optimizations.
13232 * config.gcc: Recognize niagara as target.
13233 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13234 (TARGET_CPU_niagara): Define.
13235 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13236 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13237 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13238 (ASM_CPU_SPEC): Likewise.
13239 (PROCESSOR_NIAGARA): New enum entry.
13240 (REGISTER_MOVE_COST): Handle Niagara.
13241 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13242 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13243 (sparc_override_options): Recognize "niagara", set appropriate
13244 default MASK_* values for it, and align functions to 32-bytes
13245 by default just like ULTRASPARC/ULTRASPARC3.
13246 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13247 (sparc64_initialize_trampoline): Likewise.
13248 (sparc_use_sched_lookahead): Use zero for niagara.
13249 (sparc_issue_rate): Use one for niagara.
13250 * config/sparc/niagara.md: New file.
13251 * config/sparc/sparc.md: Include it.
13252 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13253 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13254 when default cpu is niagara.
13255 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13256 (ASM_CPU_SPEC): Likewise.
13257 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13258 when default cpu is niagara.
13259 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13260 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13261 just like v9/ultrasparc/ultrasparc3.
13262 * doc/invoke.texi: Add documentation for "niagara" and improve
13263 existing documentation for ultrasparc variants.
13265 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13267 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13269 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13271 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13272 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13273 and say that only one is needed.
13274 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13275 * target.h (have_switchable_bss_sections): New hook.
13276 * explow.c (use_anchored_address): Check that the symbol is in a block.
13277 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13278 (bss_noswitch_section): New variables.
13279 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13280 (get_noswitch_section): New function.
13281 (get_block_for_section): Allow SECT to be null.
13282 (unlikely_text_section_p): Use SECTION_STYLE.
13283 (bss_initializer_p): New function.
13284 (get_variable_section): Move earlier in file. Take a new argument,
13285 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13286 Return one of the new *_sections in such cases.
13287 (get_block_for_decl): New function, extracting some logic from
13288 use_blocks_for_decl_p.
13289 (change_symbol_section): Remove in favor of...
13290 (change_symbol_block): ...this new function.
13291 (use_blocks_for_decl_p): Remove checks now performed by
13292 get_block_for_decl.
13293 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13294 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13295 (emit_local, emit_bss, emit_common): ...these new functions.
13296 Return true if the alignment was honored.
13297 (emit_tls_common): New function.
13298 (asm_emit_uninitialised): Delete.
13299 (assemble_variable_noswitch): New function, split out from...
13300 (assemble_variable): ...here. Don't make decisions about common
13301 variables here. Globalize all public decls that go into non-common
13302 sections. Check whether SYMBOL_REF_BLOCK is null.
13303 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13304 (output_constant_pool): Likewise.
13305 (init_varasm_once): Initialize the new section variables.
13306 (have_global_bss_p): New function.
13307 (categorize_decl_for_section): Use bss_initializer_p.
13308 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13309 (place_block_symbol): Assert that the symbol must be in a block.
13310 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13311 (TARGET_INITIALIZER): Include it.
13312 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13313 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13314 (SECTION_MACH_DEP): Bump by two.
13315 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13316 (unnamed_section): Mention SECTION_UNNAMED in comment.
13317 (named_section): Likewise SECTION_NAMED.
13318 (noswitch_section_callback): New type.
13319 (noswitch_section): New structure.
13320 (section): Add a noswitch_section alternative.
13321 (SECTION_STYLE): New macro.
13322 (tls_comm_section, comm_section, lcomm_section): Declare.
13323 (bss_noswitch_section, have_global_bss_p): Declare.
13324 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13325 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13327 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13328 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13331 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13333 * tree-vrp.c (execute_vrp): Return value.
13334 * regrename.c (rest_of_handle_regrename): Ditto.
13335 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13336 * tree-complex.c (tree_lower_complex): Ditto.
13337 (tree_lower_complex_O0): Ditto.
13338 * tracer.c (rest_of_handle_tracer): Ditto.
13339 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13340 * postreload.c (rest_of_handle_postreload): Ditto.
13341 * tree-tailcall.c (execute_tail_recursion): Ditto.
13342 (execute_tail_calls): Ditto.
13343 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13344 * tree.h (init_function_for_compilation): Ditto.
13345 * ipa-cp.c (ipcp_driver): Ditto.
13346 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13347 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13348 * final.c (compute_alignments): Ditto.
13349 (rest_of_handle_final): Ditto.
13350 (rest_of_handle_shorten_branches): Ditto.
13351 (rest_of_clean_state): Ditto.
13352 * omp-low.c (execute_expand_omp): Ditto.
13353 (execute_lower_omp): Ditto.
13354 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13355 * ipa-reference.c (static_execute): Ditto.
13356 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13357 * reorg.c (rest_of_handle_delay_slots): Ditto.
13358 (rest_of_handle_machine_reorg): Ditto.
13359 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13360 * flow.c (recompute_reg_usage): Ditto.
13361 (rest_of_handle_remove_death_notes): Ditto.
13362 (rest_of_handle_life): Ditto.
13363 (rest_of_handle_flow2): Ditto.
13364 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13365 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13366 (do_ssa_store_ccp): Ditto.
13367 (execute_fold_all_builtins): Ditto.
13368 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13369 * modulo-sched.c (rest_of_handle_sms): Ditto.
13370 * ipa-pure-const.c (static_execute): Ditto.
13371 * cse.c (rest_of_handle_cse): Ditto.
13372 (rest_of_handle_cse2): Ditto.
13373 * web.c (rest_of_handle_web): Ditto.
13374 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13375 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13376 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13377 * tree-nrv.c (tree_nrv): Ditto.
13378 (execute_return_slot_opt): Ditto.
13379 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13380 (create_structure_vars): Ditto.
13381 * loop-init.c (rtl_loop_init): Ditto.
13382 (rtl_loop_done): Ditto.
13383 (rtl_move_loop_invariants): Ditto.
13384 (rtl_unswitch): Ditto.
13385 (rtl_unroll_and_peel_loops): Ditto.
13386 (rtl_doloop): Ditto.
13387 * gimple-low.c (lower_function_body): Ditto.
13388 (mark_used_blocks): Ditto.
13389 * tree-ssa-sink.c (execute_sink_code): Ditto.
13390 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13391 (cgraph_early_inlining): Ditto.
13392 * global.c (rest_of_handle_global_alloc): Ditto.
13393 * jump.c (cleanup_barriers): Ditto.
13394 (purge_line_number_notes): Ditto.
13395 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13396 (rest_of_handle_if_after_reload): Ditto.
13397 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13398 (tree_ssa_loop_im): Ditto.
13399 (tree_ssa_loop_unswitch): Ditto.
13400 (tree_vectorize): Ditto.
13401 (tree_linear_transform): Ditto.
13402 (tree_ssa_loop_ivcanon): Ditto.
13403 (tree_ssa_empty_loop): Ditto.
13404 (tree_ssa_loop_bounds): Ditto.
13405 (tree_complete_unroll): Ditto.
13406 (tree_ssa_loop_prefetch): Ditto.
13407 (tree_ssa_loop_ivopts): Ditto.
13408 (tree_ssa_loop_done): Ditto.
13409 * predict.c (tree_estimate_probability): Ditto.
13410 * recog.c (split_all_insns_noflow): Ditto.
13411 (rest_of_handle_peephole2): Ditto.
13412 (rest_of_handle_split_all_insns): Ditto.
13413 * tree-eh.c (lower_eh_constructs): Ditto.
13414 * regmove.c (rest_of_handle_regmove): Ditto.
13415 (rest_of_handle_stack_adjustments): Ditto.
13416 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13417 * function.c (instantiate_virtual_regs): Ditto.
13418 (init_function_for_compilation): Ditto.
13419 (rest_of_handle_check_leaf_regs): Ditto.
13420 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13421 (rest_of_handle_gcse): Ditto.
13422 * ipa-type-escape.c (type_escape_execute): Ditto.
13423 * alias.c (rest_of_handle_cfg): Ditto.
13424 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13425 * profile.c (rest_of_handle_branch_prob): Ditto.
13426 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13427 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13428 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13429 * tree-dfa.c (find_referenced_vars): Ditto.
13430 * except.c (set_nothrow_function_flags): Ditto.
13431 (convert_to_eh_region_ranges): Ditto.
13432 (rest_of_handle_eh): Ditto.
13433 * emit-rtl.c (unshare_all_rtl): Ditto.
13434 (remove_unnecessary_notes): Ditto.
13435 * except.h (set_nothrow_function_flags): Ditto.
13436 (convert_to_eh_region_ranges): Ditto.
13437 * cfgexpand.c (tree_expand_cfg): Ditto.
13438 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13439 * tree-ssa-pre.c (do_pre): Ditto.
13440 (execute_fre): Ditto.
13441 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13442 (rest_of_handle_jump2): Ditto.
13443 * tree-sra.c (tree_sra): Ditto.
13444 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13445 (execute_mudflap_function_decls): Ditto.
13446 * tree-ssa-copy.c (do_copy_prop): Ditto.
13447 (do_store_copy_prop): Ditto.
13448 * ipa-prop.h (ipcp_driver): Ditto.
13449 * cfglayout.c (insn_locators_initialize): Ditto.
13450 * tree-ssa-forwprop.c
13451 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13452 * cfglayout.h (insn_locators_initialize): Ditto.
13453 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13454 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13455 (execute_late_warn_uninitialized): Ditto.
13456 * rtl.h (cleanup_barriers): Ditto.
13457 (split_all_insns_noflow): Ditto.
13458 (purge_line_number_notes): Ditto.
13459 (unshare_all_rtl): Ditto.
13460 (remove_unnecessary_notes): Ditto.
13461 (recompute_reg_usage): Ditto.
13462 (variable_tracking_main): Ditto.
13463 * integrate.c (emit_initial_value_sets): Ditto.
13464 * integrate.h (emit_initial_value_sets): Ditto.
13465 * tree-optimize.c (execute_free_datastructures): Ditto
13466 (execute_free_cfg_annotations): Ditto.
13467 (execute_fixup_cfg): Ditto.
13468 (execute_cleanup_cfg_pre_ipa): Ditto.
13469 (execute_cleanup_cfg_post_optimizing): Ditto.
13470 (execute_init_datastructures): Ditto.
13471 * tree-object-size.c (compute_object_sizes): Ditto.
13472 * combine.c (rest_of_handle_combine): Ditto.
13473 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13474 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13475 (rest_of_handle_reorder_blocks): Ditto.
13476 (rest_of_handle_partition_blocks): Ditto.
13477 * var-tracking.c (variable_tracking_main): Ditto.
13478 * tree-profile.c (tree_profiling): Ditto.
13479 * tree-vect-generic.c (expand_vector_operations): Ditto.
13480 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13481 * sched-rgn.c (rest_of_handle_sched): Ditto.
13482 (rest_of_handle_sched2): Ditto.
13483 * basic-block.h (free_bb_insn): Ditto.
13484 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13485 * tree-cfg.c (execute_build_cfg): Ditto.
13486 (remove_useless_stmts): Ditto.
13487 (split_critical_edges): Ditto.
13488 (execute_warn_function_return): Ditto.
13489 (execute_warn_function_noreturn): Ditto.
13490 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13491 * cfgrtl.c (free_bb_for_insn): Ditto.
13492 * passes.c (execute_one_pass): Run additional
13493 todos returned by execute function.
13494 * tree-pass.h (struct tree_opt_pass): Make execute
13497 2006-03-02 Richard Guenther <rguenther@suse.de>
13499 * tree-ssa-alias.c (find_used_portions): Consider taking
13500 the address as making the variable not write-only.
13502 2006-03-02 Nick Clifton <nickc@redhat.com>
13504 * config.gcc (default_use_cxa_atexit): Extend the description of
13505 this configure variable. Set its default value to "yes" for
13506 Linux, NetBSD and ELF targets on the assumption that they will
13507 use C libraries with the __cxa_atexit function.
13509 2006-03-02 Ben Elliston <bje@au.ibm.com>
13511 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13512 parameter as unused to suppress a build warning.
13514 2006-03-02 Ben Elliston <bje@au.ibm.com>
13516 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13519 2006-03-01 Roger Sayle <roger@eyesopen.com>
13522 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13523 declared name, the weak reference name, and the typeof name.
13524 (__gthrw): Avoid expanding the declared name suffix.
13525 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13527 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13529 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13531 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13532 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13533 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13534 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13535 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13536 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13537 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13538 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13539 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13540 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13541 (DW_END_default, DW_END_big, DW_END_little): New.
13542 (DW_END_lo_user, DW_END_hi_user): Define.
13543 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13544 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13545 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13548 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13550 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13552 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13554 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13556 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13558 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13559 to 'symbol_mem_tag'.
13561 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13564 2006-03-01 Roger Sayle <roger@eyesopen.com>
13566 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13568 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13571 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13572 MACHO_DYNAMIC_NO_PIC_P.
13573 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13575 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13578 * config/darwin-protos.h (darwin_asm_output_anchor):
13580 * config/darwin-sections.def (cstring_section):
13581 Add SECTION_MERGE to the flags.
13582 (literal4_section): Likewise.
13583 (literal8_section): Likewise.
13584 (objc_selector_refs_section): Likewise.
13585 (objc_cls_refs_section): Likewise.
13586 * config/darwin.c (darwin_asm_output_anchor): New
13588 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13590 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13592 Fix PR tree-optimization/26443
13593 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13594 to todo and PROP_tmt_usage to properties_destroyed.
13595 * tree-ssa-ccp.c (pass_ccp): Ditto.
13596 (pass_store_ccp): Ditto.
13597 * tree-ssa-dom.c (pass_dominator): Ditto.
13599 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13601 * tree-ssa-operands.c: Cleanup whitespace.
13602 (get_asm_expr_operands): Move before first invocation.
13603 (get_indirect_ref_operands): Likewise.
13604 (get_tmr_operands): Likewise.
13605 (get_call_expr_operands): Likewise.
13606 (append_def): Likewise.
13607 (append_use): Likewise.
13608 (append_v_may_def): Likewise.
13609 (append_v_must_def): Likewise.
13610 (add_call_clobber_ops): Likewise.
13611 (add_call_read_ops): Likewise.
13612 (add_stmt_operand): Likewise.
13613 (add_virtual_operand): Likewise.
13614 (build_ssa_operands): Likewise.
13616 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13618 PR middle-end/26022
13620 PR middle-end/24437
13621 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13622 with a call expr to ...
13623 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13625 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13627 * tree-vrp.c (extract_range_from_assert): Remove special
13628 handling for types with super-types.
13630 2006-03-01 Ben Elliston <bje@au.ibm.com>
13632 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13633 and powerpc64-*-linux* configurations.
13634 * config/t-dfprules: New file.
13636 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13637 Compile dfp-bit.c from the source directory using -DWIDTH and
13638 $DFP_CFLAGS to control the compilation of that file, rather than
13639 generating width-specific versions in the build directory.
13640 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13641 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13643 2006-02-28 Zack Weinberg <zackw@panix.com>
13645 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13648 2006-02-28 Eric Christopher <echristo@apple.com>
13650 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13651 Set up IN_LIBGCC definition of TARGET_64BIT.
13652 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13654 2006-02-28 Roger Sayle <roger@eyesopen.com>
13656 PR middle-end/14752
13657 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13658 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13659 cases via the construction of "expr != 0".
13661 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13663 * alias.c (alias_invariant, alias_invariant_size): Remove.
13664 (record_base_value): Remove.
13665 (memrefs_conflict_p): Don't look at alias_invariant.
13666 (end_alias_analysis): Don't free it.
13667 * alias.h (record_base_value): Remove prototype.
13669 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13670 Adam Nemet <anemet@caviumnetworks.com>
13672 * rtl.h (truncated_to_mode): Declare it.
13673 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13674 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13675 (RTL_HOOKS_INITIALIZER): Include it.
13676 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13677 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13678 reg_truncated_to_mode.
13679 * rtlanal.c (truncated_to_mode): Define it.
13680 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13682 2006-02-28 Jeff Law <law@redhat.com>
13684 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13685 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13686 the range allowed by TYPE_PRECISION.
13688 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13690 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13692 PR tree-optimization/26419
13693 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13696 2006-02-27 Zack Weinberg <zackw@panix.com>
13698 * doc/md.texi: Fix typo in previous change.
13700 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13704 2006-02-27 Zack Weinberg <zackw@panix.com>
13706 * rtl.def (define_constraint, define_register_constraint)
13707 (define_memory_constraint, define_address_constraint): New MD forms.
13708 * gensupport.c (process_rtx): Put define_constraint etc on the
13710 * genpreds.c (process_define_predicate): Adjust comment. Validate
13711 the name, and call validate_exp to validate the expression.
13712 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13713 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13714 all callers changed.
13715 (validate_exp, needs_variable, struct constraint_data)
13716 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13717 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13718 (const_dbl_constraints, constraint_max_namelen)
13719 (have_register_constraints, have_memory_constraints)
13720 (have_address_constraints, have_address_constraints)
13721 (have_extra_constraints, have_const_int_constraints)
13722 (have_const_dbl_constraints, mangle, add_constraint)
13723 (process_define_constraint, process_define_register_constraint)
13724 (write_enum_constraint_num, write_lookup_constraint)
13725 (write_insn_constraint_len, write_regclass_for_constraint)
13726 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13727 (write_insn_extra_memory_constraint)
13728 (write_insn_extra_address_constraint)
13729 (write_satisfies_constraint_fns): New.
13730 (write_tm_preds_h): If we have new-style constraint definitions,
13731 prototype the functions generated from them, and define the
13732 old constraint interface (still used by generic code) in terms of
13734 (write_insn_preds_c): If we have new-style constraint definitions,
13735 generate all relevant functions from those definitions.
13736 (main): Handle define_constraint etc.
13737 * genoutput.c (struct constraint_data, indep_constraints)
13738 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13739 (mdep_constraint_len): New data structures and functions, defined
13740 #ifdef USE_MD_CONSTRAINTS.
13741 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13742 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13743 use new logic to validate operand constraints against constraint
13745 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13747 * defaults.h: If none of the old-style constraint macros are
13748 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13749 old-style macros; and poison REG_CLASS_FROM_LETTER,
13750 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13752 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13753 * doc/md.texi: Document new constraint-definition mechanism and the
13754 C interface it provides. Remove references to old mechanism
13755 elsewhere in the document.
13756 (Machine Constraints): Use pathnames relative to gcc directory,
13757 i.e. config/ARCH/FILE. Change i386 section to refer to
13758 config/i386/predicates.md; update that section to match docstrings.
13759 * doc/tm.texi: Move all documentation of the old constraint-
13760 definition macros to their own section, clearly mark as obsolete.
13762 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13763 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13765 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13766 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13767 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13768 constraint strings.
13769 (splits and peepholes): Use satisfies_constraint_*.
13770 * config/i386/i386.c (memory_address_length)
13771 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13773 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13775 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13776 scalar operation to be put back into the loop.
13778 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13781 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13782 (extract_cie_info): Handle S flag in augmentation string.
13783 (execute_cfa_program): If context->signal_frame, execute also
13784 fs->pc == context->ra instructions.
13785 (uw_frame_state_for): If context->signal_frame, don't subtract one
13786 from context->ra to find FDE.
13787 (uw_update_context_1): Set context->signal_frame to
13789 (_Unwind_GetIPInfo): New function.
13790 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13791 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13793 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13794 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13795 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13796 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13797 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13798 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13799 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13800 x86_64_fallback_frame_state): Set fs->signal_frame.
13801 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13802 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13803 (frob_update_context): Likewise. Workaround missing S flag in
13804 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13805 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13806 Remove the psw_addr + 1 hack.
13808 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13810 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13811 with aggregates here.
13812 (find_func_aliases): Remove code for &<aggregate> from here.
13814 2006-02-26 Roger Sayle <roger@eyesopen.com>
13816 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13817 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13818 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13819 as (X & C) ne/eq 0.
13821 2006-02-26 Roger Sayle <roger@eyesopen.com>
13823 PR middle-end/19983
13824 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13826 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13828 * opts.c (decode_options): Do not handle flag_strength_reduce.
13829 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13830 and OPT_fstrength_reduce.
13831 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13832 flag_prefetch_loop_arrays for being nonzero.
13833 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13835 (fprefetch-loop-arrays-rtl): Removed.
13836 (flag_prefetch_loop_arrays): Do not specify the value.
13838 * doc/passes.texi: Update documentation of loop optimizer
13840 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13841 -frerun-loop-opt): Remove.
13843 2006-02-26 Richard Guenther <rguenther@suse.de>
13845 PR tree-optimization/26421
13846 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13847 in function calls that are ADDR_EXPRs as using the whole structure.
13849 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13851 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13852 * tree-pass.h (pass_loop_optimize): Remove.
13853 * passes.c (pass_loop_optimize): Never run it.
13854 * toplev.c (backend_init): Don't call init_loop.
13855 * opts.c (flag_loop_optimize_set): Remove.
13856 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13857 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13858 the old RTL loop optimizer when profiling enabled.
13859 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13860 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13861 pre-headers for the sake of the old RTL loop optimizer.
13862 * Makefile.in: Remove all references to loop.o.
13864 * doc/invoke.texi: Remove all references to -floop-optimize
13865 and -frerun-loop-opt.
13867 2006-02-26 Zack Weinberg <zackw@panix.com>
13869 * doc/md.texi (Machine Constraints): Refer to all files with paths
13870 relative to gcc directory (i.e. config/CPU/file). Add missing
13871 @table @code ... @end table to M32C subsection.
13873 2006-02-26 Roger Sayle <roger@eyesopen.com>
13875 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13877 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13879 2006-02-26 Roger Sayle <roger@eyesopen.com>
13880 James A. Morrison <phython@gcc.gnu.org>
13882 PR middle-end/21137
13883 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13884 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13885 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13886 signedness of the shift operation.
13888 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13890 PR tree-optimization/26359
13891 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13893 2006-02-25 Roger Sayle <roger@eyesopen.com>
13895 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13896 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13897 as X == 0, and some symmetry related transformations.
13898 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13900 2006-02-25 Roger Sayle <roger@eyesopen.com>
13902 PR middle-end/23673
13903 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13904 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13905 symmetry related transformations. Fold (X^C1) == C2 as
13908 2006-02-25 Juergen Weigert <jw@suse.de>
13909 Richard Guenther <rguenther@suse.de>
13911 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13913 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13915 * combine.c (gen_lowpart_or_truncate): Call
13916 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13918 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13920 * doc/invoke.texi: Move -fopenmp description to "Options for
13922 Remove reference to -lgomp.
13924 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13926 * doc/install.texi: Require GNU tar version 1.14.
13928 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13930 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13931 * doc/invoke.texi (C++ Dialect Options): Document
13932 -fno-use-cxa-get-exception-ptr.
13933 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13934 * configure: Regenerate.
13935 * c.opt (fuse-cxa-get-exception-ptr): New.
13936 * c-opts.c (c_common_handle_option): Handle
13937 OPT_fuse_cxa_get_exception_ptr.
13938 * c-common.c (flag_use_cxa_atexit): Update documentation.
13939 (flag_use_cxa_get_exception_ptr): New.
13940 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13941 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13943 (C_COMMON_OVERRIDE_OPTIONS): New.
13945 2006-02-24 Roger Sayle <roger@eyesopen.com>
13947 PR middle-end/24952
13948 * combine.c (try_combine): Explicitly check whether GET_CODE is
13949 a SET or a CLOBBER, instead on checking that it isn't a USE.
13951 2006-02-24 Roger Sayle <roger@eyesopen.com>
13953 * fold-const.c (fold_comparison): New subroutine of fold_binary
13954 containing transformations common to both the equality and
13955 ordering relational operators, factored out of fold_binary.
13956 (fold_binary): Separate out the equality operators (EQ_EXPR
13957 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13958 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13959 transformations common to both.
13960 (fold_div_compare): Fix latent bugs in the previously unreachable
13961 LT_EXPR and GE_EXPR cases.
13963 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13965 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13966 decl libname for clog to __clog on AIX.
13968 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13970 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13973 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13974 output traceback table for thunks. Localise rs6000_stack_info call.
13976 2006-02-23 Roger Sayle <roger@eyesopen.com>
13977 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13979 * gthr-posix.h (__gthrw): Fix typo in comment.
13981 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13983 * doc/cpp.texi (Character sets): Document that we do support
13984 input files to be in any character set.
13986 2006-02-23 Jeff Law <law@redhat.com>
13988 * tree.h (PHI_ARG_NONZERO): Remove.
13989 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13990 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13991 node to the new node.
13993 PR tree-optimization/26425
13994 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13995 min/max, then assume its varying.
13997 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13999 PR rtl-optimization/26316
14000 * rtlanal.c (enum may_trap_p_flags): New.
14001 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14002 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14003 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14004 (may_trap_after_code_motion_p): New function.
14005 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14006 (find_invariant_insn): Use may_trap_after_code_motion_p.
14007 * rtl.h (may_trap_after_code_motion_p): Declare.
14009 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14011 * emit-rtl.c (immed_double_const): Cleanup.
14013 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14015 Fix PR tree-optimization/26376
14016 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14019 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14021 PR middle-end/26412
14022 * gimplify.c (omp_add_variable): Guard variable size decl test with
14023 DECL_SIZE (decl) check.
14025 2006-02-23 Richard Guenther <rguenther@suse.de>
14027 PR middle-end/26439
14028 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14029 like aggregate types.
14031 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14033 * configure.ac: Add --with{,out}-long-double-128 configure option.
14034 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14035 * configure: Rebuilt.
14036 * config.in: Rebuilt.
14037 * doc/install.texi (Options specification): Document
14038 --with-long-double-128.
14040 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14041 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14042 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14043 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14045 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14047 * config/s390/s390.c (override_options): Handle
14048 TARGET_DEFAULT_LONG_DOUBLE_128.
14050 * config/alpha/alpha.c (override_options): Handle
14051 TARGET_DEFAULT_LONG_DOUBLE_128.
14053 * config/sparc/sparc.c (sparc_override_options): Handle
14054 TARGET_DEFAULT_LONG_DOUBLE_128.
14056 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14058 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14059 (real-install-headers-tar, real-install-headers-cpio)
14060 (real-install-headers-cp): New targets.
14062 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14064 * tree.h (variable_section): Delete.
14065 * varasm.c (variable_section): Delete.
14067 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14069 * install.texi: Add notes on install.texi2html.
14070 (Building in parallel): Do not use footnotes.
14072 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14075 * doc/install.texi (Configuration): Document --disable-libgomp.
14077 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14079 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14081 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14083 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14084 (vec_extractv2df_0_sse): New.
14086 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14088 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14089 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14090 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14091 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14092 to the result of the expression.
14093 (def_cfa_1): Adjust.
14094 (frame_pointer_cfa_offset): Rename to...
14095 (frame_pointer_fb_offset): ... this. Adjust all uses.
14096 (convert_cfa_to_loc_list): Rename to...
14097 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14098 Pass it on to build_cfa_loc.
14099 (compute_frame_pointer_to_cfa_displacement): Rename to...
14100 (compute_frame_pointer_to_fb_displacement): ... this. New
14101 offset parameter. Use it in computation.
14102 (gen_subprogram_die): Compute cfa_fb_offset with the new
14103 macro, and use it to compute the fb loc list and the
14106 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14108 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14109 replaced with register_operand.
14110 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14111 non-DREG is expensive.
14112 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14113 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14116 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14118 * doc/install.texi2html: Use set -e.
14120 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14122 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14123 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14124 * doc/invoke.texi (-fshared-data): Delete.
14125 * common.opt (fshared-data): Delete.
14126 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14127 (assemble_static_space): Remove #if 0 code.
14128 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14129 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14130 * config/cris/cris.h: Remove FIXME.
14132 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14134 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14137 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14139 PR middle-end/26379
14140 * combine.c (simplify_shift_const_1): Disable nested shifts
14141 optimization for vector shifts.
14143 2006-02-20 Roger Sayle <roger@eyesopen.com>
14145 PR tree-optimization/26361
14146 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14147 of unsigned integer types.
14149 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14151 * tree-chrec.c (eq_evolutions_p): New.
14152 * tree-chrec.h (eq_evolutions_p): Declared.
14153 * tree-data-ref.c: Fix formatting.
14154 (datadep_stats, dependence_stats): New.
14156 (print_direction_vector): New.
14157 (dump_data_dependence_relation): Use print_direction_vector.
14158 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14159 (compute_subscript_distance): Static.
14160 (initialize_data_dependence_relation): Static. Get the number
14161 of loops surrounding the references from the callers, and initialize
14162 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14163 base_object_differ_p analyzers.
14164 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14165 compute_overlap_steps_for_affine_1_2,
14166 analyze_subscript_affine_affine): Count the classified dependences.
14167 Print a message when a test failed.
14168 (can_use_analyze_subscript_affine_affine): New.
14169 (analyze_siv_subscript): Compute the data dependences on symbolic
14170 scevs that verify can_use_analyze_subscript_affine_affine.
14171 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14172 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14173 Handle symbolic scevs.
14174 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14176 (subscript_dependence_tester): Moved...
14177 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14178 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14179 DDR_SIZE_VECT instead of getting it in parameter.
14180 (subscript_dependence_tester): ... here. Take as a parameter
14181 loop_nest_depth. Call build_classic_dist_vector and
14182 build_classic_dir_vector.
14183 (compute_affine_dependence): Update subscript_dependence_tester
14184 parameters. Update datadep_stats counters. Call
14185 compute_subscript_distance.
14186 (compute_self_dependence): Save the dist and dir vectors. Call
14187 compute_subscript_distance.
14188 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14189 (compute_all_dependences): Reorder parameters as they were before
14190 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14191 compute_subscript_distance. Update the use of
14192 compute_affine_dependence and initialize_data_dependence_relation.
14193 (find_data_references_in_loop): Handle COMPONENT_REF.
14194 (compute_data_dependences_for_loop): Initialize dependence_stats.
14195 Don't call build_classic_dist_vector and build_classic_dir_vector.
14196 Update the parameters of initialize_data_dependence_relation and
14197 compute_all_dependences. Print the statistics from datadep_stats.
14198 (analyze_all_data_dependences): Static. Not used until the pass for
14199 checking the data dependences is contributed.
14200 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14201 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14202 (initialize_data_dependence_relation, compute_affine_dependence,
14203 analyze_all_data_dependences, compute_subscript_distance): Removed.
14204 (print_direction_vector): New.
14205 * lambda.h (gcd): ... here.
14206 (lambda_vector_gcd): Moved here from gcd_vector.
14207 * lambda-code.c (gcd, gcd_vector): Removed.
14208 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14209 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14211 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14213 * ipa-type-escape.c: Tidy some comments and white space.
14214 * tree-ssa-operands.c: Likewise.
14216 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14219 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14220 (dump_decl_name): Do not walk the decl tree chains.
14221 * tree-pass.h (TDF_CHAIN): Remove.
14223 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14225 * Makefile.in (C): Remove
14227 (.PHONY): Remove C and PROTO
14229 2006-02-20 Roger Sayle <roger@eyesopen.com>
14231 PR middle-end/26236
14232 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14233 deprecated CHAR_TYPE tree code.
14235 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14237 * configure.ac (target_list): Add install-info, dvi, html.
14238 * configure: Regenerate.
14240 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14241 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14242 treelang/Make-lang.in: Do not use double-colon rules.
14244 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14246 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14247 (TMT_USED_ALONE): New macro.
14248 * tree-pass.h (PROP_tmt_usage): New property.
14249 (TODO_update_tmt_usage): New todo.
14250 * tree-ssa-alias.c (updating_used_alone): New variable.
14251 (recalculate_used_alone): New function.
14252 (compute_may_aliases): Set updating_used_alone, call
14253 recalculate_used_alone.
14254 * tree-sra.c (pass_sra): Note that this pass destroys
14255 PROP_tmt_usage, and add TODO_update_tmt_usage.
14256 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14257 * tree-flow.h (updating_used_alone): Prototype.
14258 (recalculate_used_alone): Ditto.
14259 * passes.c (execute_todo): Add code to set updating_used_alone,
14260 and call recalculate.
14261 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14262 for clobber if used alone, and add assert to verify used_alone
14265 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14267 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14268 for non tls symbols added.
14269 (legitimize_address): Do nothing for PLUS expressions if one of the
14270 addends is a tls symbol reference.
14272 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14276 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14278 * Makefile.in (BOOTSTRAPPING): New.
14279 (quickstrap): New definition if BOOTSTRAPPING=yes.
14281 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14282 * configure.ac: Substitute all_selected_languages with the languages
14283 that were configured. For all the other variables except
14284 lang_specs_files, include all the languages in the tree.
14285 * configure: Regenerate.
14287 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14288 if there is one. Run the commands to run fixincludes in the same
14291 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14292 * doc/install.texi: Document exact conventions for searching target tools.
14293 Document --with-build-time-tools. Document toplevel bootstrap. Document
14294 something more about building an Ada cross-compiler. Don't list GNU Make
14295 requirements which affect all platforms.
14297 2006-02-19 Roger Sayle <roger@eyesopen.com>
14299 PR middle-end/19543
14300 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14301 only equivalent if the have both the same mode and precision.
14303 2006-02-20 Ben Elliston <bje@au.ibm.com>
14305 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14307 2006-02-19 Roger Sayle <roger@eyesopen.com>
14308 Steven Bosscher <stevenb.gcc@gmail.com>
14310 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14311 constant pool references to identify stack mode constants.
14312 * rtlanal.c (constant_pool_constant_p): New predicate to check
14313 whether operand is a floating point constant in the pool.
14314 * rtl.h (constant_pool_constant_p): Prototype here.
14315 * loop.c (scan_loop): Avoid hoisting constants from the constant
14316 pool on STACK_REGS targets.
14317 (load_mems): Likewise.
14318 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14319 loads into x87 registers expensive in terms of register pressure.
14321 2006-02-19 Roger Sayle <roger@eyesopen.com>
14323 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14324 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14326 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14328 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14329 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14331 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14333 * doc/invoke.texi: Document -fipa-pta.
14334 * common.opt: Add ipa-pta option.
14335 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14336 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14337 (do_ds_constraint): Ditto.
14338 (get_constraint_for): Only add to referenced_vars if
14339 referenced_vars exists.
14340 (insert_into_field_list): Rewrite to do this unsorted.
14341 (insert_into_field_list_sorted): Rename old insert_into_field_list
14343 (create_function_info_for): Use insert_into_field_list_sorted.
14344 (create_variable_info_for): Rewrite so it uses unsorted version,
14345 since the field list is sorted.
14346 (intra_create_variable_infos): Only add to referenced_vars if
14347 referenced_vars exists.
14348 (ipa_pta_execute): Init heapvars, and delete when done.
14349 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14351 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14353 * doc/install.texi: Add missing `@samp'.
14355 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14357 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14360 2006-02-18 Mark Wielaard <mark@klomp.org>
14362 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14363 who added new 4.1 features, bug fixes and integration support.
14365 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14368 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14369 MEM for ABI_V4 pic.
14371 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14373 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14374 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14375 (copy_insn_1): Likewise. Don't copy each field individually.
14377 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14379 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14380 * rtl.c (rtx_size): Rename variable to...
14381 (rtx_code_size): ...this.
14382 (rtx_size): New function.
14383 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14384 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14386 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14387 * rtl.h (rtx_code_size): New variable.
14388 (rtx_size): Change from a variable to a function.
14389 (RTX_SIZE): Rename to...
14390 (RTX_CODE_SIZE): ...this.
14393 PR tree-optimization/17106
14394 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14395 (Anchored Addresses): New section.
14396 * doc/invoke.texi (-fsection-anchors): Document.
14397 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14398 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14399 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14400 * hooks.c (hook_bool_mode_rtx_false): New function.
14401 * hooks.h (hook_bool_mode_rtx_false): Declare.
14402 * gengtype.c (create_optional_field): New function.
14403 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14404 SYMBOL_REF_IN_BLOCK_P is true.
14405 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14406 (min_anchor_offset, max_anchor_offset): Likewise.
14407 (use_anchors_for_symbol_p): New hook.
14408 * toplev.c (compile_file): Call output_object_blocks.
14409 (target_supports_section_anchors_p): New function.
14410 (process_options): Check that -fsection-anchors is only used on
14411 targets that support it and when -funit-at-a-time is in effect.
14412 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14413 if the decl doesn't have one.
14414 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14415 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14416 of force_const_mem through use_anchored_address.
14417 (expand_expr_constant): New function.
14418 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14419 calling expand_expr for INDIRECT_REF.
14420 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14421 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14422 * expr.h (use_anchored_address): Declare.
14423 * loop-unroll.c: Don't declare rtx vectors here.
14424 * explow.c: Include output.h.
14425 (validize_mem): Call use_anchored_address.
14426 (use_anchored_address): New function.
14427 * common.opt (-fsection-anchors): New switch.
14428 * varasm.c (object_block_htab, anchor_labelno): New variables.
14429 (hash_section, object_block_entry_eq, object_block_entry_hash)
14430 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14431 (use_blocks_for_decl_p, change_symbol_section): New functions.
14432 (get_variable_section): New function, split out from assemble_variable.
14433 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14434 use_blocks_for_decl_p say so. Use change_symbol_section if the
14435 symbol has already been created.
14436 (assemble_variable_contents): New function, split out from...
14437 (assemble_variable): ...here. Don't output any code for
14438 block symbols; just pass them to place_block_symbol.
14439 Use get_variable_section and assemble_variable_contents.
14440 (get_constant_alignment, get_constant_section, get_constant_size): New
14441 functions, split from output_constant_def_contents.
14442 (build_constant_desc): Create a block symbol if use_object_blocks_p
14443 says so. Or into SYMBOL_REF_FLAGS.
14444 (assemble_constant_contents): New function, split from...
14445 (output_constant_def_contents): ...here. Don't output any code
14446 for block symbols; just pass them to place_section_symbol.
14447 Use get_constant_section and get_constant_alignment.
14448 (force_const_mem): Create a block symbol if use_object_blocks_p and
14449 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14450 (output_constant_pool_1): Add an explicit alignment argument.
14451 Don't switch sections here.
14452 (output_constant_pool): Adjust call to output_constant_pool_1.
14453 Switch sections here instead. Don't output anything for block symbols;
14454 just pass them to place_block_symbol.
14455 (init_varasm_once): Initialize object_block_htab.
14456 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14457 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14458 (place_block_symbol, get_section_anchor, output_object_block)
14459 (output_object_block_htab, output_object_blocks): New functions.
14460 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14461 (TARGET_ASM_OUT): Include it.
14462 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14463 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14464 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14465 (TARGET_INITIALIZER): Include them.
14466 * rtl.c (rtl_check_failed_block_symbol): New function.
14467 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14468 (block_symbol, object_block): New structures.
14469 (rtx_def): Add a block_symbol field to the union.
14470 (BLOCK_SYMBOL_CHECK): New macro.
14471 (rtl_check_failed_block_symbol): Declare.
14472 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14473 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14474 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14475 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14476 * output.h (output_section_symbols): Declare.
14477 (object_block): Name structure.
14478 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14479 (default_use_anchors_for_symbol_p): Declare.
14480 * Makefile.in (RTL_BASE_H): Add vec.h.
14481 (explow.o): Depend on output.h.
14482 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14483 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14484 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14485 (rs6000_use_blocks_for_constant_p): New function.
14487 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14489 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14491 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14494 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14497 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14499 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14503 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14505 PR middle-end/26334
14506 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14507 instead of DECL_REGISTER.
14509 2006-02-18 Olivier Hainque <hainque@adacore.com>
14512 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14514 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14517 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14518 * opth-gen.awk: Handle Var and InverseMask together.
14519 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14520 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14521 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14522 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14524 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14525 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14526 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14527 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14528 LINUX_DYNAMIC_LINKER): Define.
14529 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14530 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14532 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14533 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14534 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14535 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14536 (TARGET_C99_FUNCTIONS): Don't define.
14537 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14538 GLIBC_DYNAMIC_LINKER.
14539 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14540 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14541 GLIBC_DYNAMIC_LINKER64): Define.
14542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14543 LINUX_DYNAMIC_LINKER64.
14544 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14545 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14546 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14547 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14548 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14549 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14550 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14551 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14552 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14553 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14554 and LINUX_DYNAMIC_LINKER32.
14555 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14556 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14557 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14558 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14559 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14561 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14562 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14563 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14564 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14565 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14566 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14567 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14568 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14569 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14570 LINUX_DYNAMIC_LINKER): Define.
14571 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14572 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14573 GLIBC_DYNAMIC_LINKER64): Define.
14574 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14575 LINUX_DYNAMIC_LINKER64.
14576 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14577 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14578 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14579 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14580 LINUX_DYNAMIC_LINKER): Define.
14581 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14582 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14583 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14584 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14585 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14586 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14587 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14588 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14589 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14590 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14591 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14592 * doc/invoke.texi (-muclibc): Remove caveat about supported
14595 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14597 * doc/cpp.texi (__TIMESTAMP__): Document.
14599 2006-02-17 Roger Sayle <roger@eyesopen.com>
14601 PR middle-end/25600
14602 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14603 C is one less than the width of X (and related transformations).
14604 * simplify-rtx.c (simplify_unary_operation_1): Transform
14605 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14606 depending on STORE_FLAG_VALUE, were C is one less then the
14609 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14611 Fix PR tree-optimization/26341
14612 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14613 about NAME_MEMORY_TAG's.
14615 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14618 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14619 with hardware float support, and software float support. Add fcpy
14620 alternative to hardware patterns. Add alternatives to copy between
14621 general and floating-point registers to the 32-bit pattern.
14622 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14623 secondary reload to load a QI or HI mode constant into a floating
14625 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14626 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14628 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14631 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14633 (load_macho_picbase_di): Likewise.
14635 2006-02-16 Jeff Law <law@redhat.com>
14637 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14638 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14639 (ssa_name_nonzero_p): Likewise.
14640 (get_value_range): Return NULL if VRP is not running.
14641 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14642 VRP routines do not discover a range.
14643 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14644 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14645 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14646 (tree_expr_nonnegative_p): Similarly.
14647 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14648 (restore_nonzero_vars_to_original_value): Remove.
14649 (unsafe_associative_fp_binop): Remove.
14650 (tree_ssa_dominator_optimize): Remove initialization and
14651 finalization of nonzero_vars and nonzero_vars_stack.
14652 (dom_opt_initialize_block): No longer push marker on
14653 nonzero_vars_stack.
14654 (dom_opt_finalize_block): No longer call
14655 restore_nonzero_vars_to_original_value.
14656 (record_equivalences_from_phis): No longer look for
14657 nonzero PHI arguments.
14658 (cprop_into_successor_phis): No longer propagate nonzero
14659 property into PHI arguments. Lose unused argument. Caller
14661 (record_equivalences_from_stmt): No longer record nonzero
14662 values for SSA_NAMEs.
14663 (lookup_avail_expr): No longer use nonzero_vars.
14665 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14666 for sizetype when sizetype is unsigned.
14668 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14670 PR rtl-optimization/25603
14671 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14672 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14673 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14674 with new meaning of SETS.
14676 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14681 * config/linux.opt: New file.
14682 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14683 LINUX_DYNAMIC_LINKER): Define.
14684 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14685 * config.gcc (*-*-linux*): Define extra_options.
14686 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14687 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14688 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14689 GLIBC_DYNAMIC_LINKER.
14690 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14691 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14692 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14693 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14694 * doc/invoke.texi (GNU/Linux Options): New section.
14696 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14698 * config/sparc/sparc.md (setjmp): Rewrite.
14699 (setjmp_32): Delete.
14700 (setjmp_64): Likewise.
14702 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14704 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14707 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14709 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14712 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14714 PR rtl-optimization/26296
14715 * Makefile.in (loop-invariant.c): Add except.h dependency.
14716 * loop-invariant.c: Include except.h.
14717 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14719 2005-02-16 Paul Brook <paul@codesourcery.com>
14721 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14724 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14726 PR rtl-optimization/25636
14727 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14728 when deciding whether an insn is an initializing insn.
14730 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14732 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14733 (tree_code_size): Ditto.
14734 * tree.h (struct tree_memory_tag): Remove parent_var.
14735 (struct tree_struct_field_tag): New.
14738 (union tree_node): Add sft member.
14739 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14741 (create_sft): Add size and offset argument, set SFT_OFFSET and
14743 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14744 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14745 * tree-flow-inline.h (get_subvar_at): Update for
14746 SFT_OFFSET/SFT_SIZE.
14747 (var_can_have_subvars): Ditto.
14748 (overlap_subvar): Ditto.
14749 * print-tree.c (print_node): Print out interesting things for
14751 * tree-flow.h (struct subvar): Remove offset and size members.
14752 * tree-ssa-operands.c (get_expr_operands): Update for
14753 get_indirect_ref_operands changes.
14754 (get_indirect_ref_operands): Call add_virtual_operand instead of
14755 add_stmt_operand. Only recurse on base var if requested.
14756 (access_can_touch_variable): New function.
14757 (add_stmt_operand): Split virtual operand handling into ...
14758 (add_virtual_operand): Here. Add offset, size, and for_clobber
14759 arguments. Prune alias sets.
14760 (add_call_clobber_ops): Call add_virtual_operand.
14762 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14764 PR middle-end/26300
14765 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14767 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14768 than TREE_CODE as index into omp_clause_num_ops array.
14770 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14772 PR rtl-optimization/26184
14773 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14775 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14776 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14777 must_precede, must_follow and tobe_scheduled.
14780 * opts.c (common_handle_option): Free new_option pointer.
14781 * df-core.c (df_analyze): Free postorder pointer.
14783 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14785 * Makefile.in: Fix the examples about the use of stamps
14787 2006-02-15 Michael Matz <matz@suse.de>
14789 PR middle-end/22275
14791 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14792 influenced by maximum_field_alignment or DECL_PACKED.
14793 (update_alignment_for_field): Ditto.
14794 (place_field): Ditto.
14795 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14798 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14800 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14801 (debug_flow_info): Pass it.
14802 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14803 * bb-reorder.c (reorder_basic_blocks): Likewise.
14804 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14805 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14806 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14807 * gcse.c (gcse_main, bypass_jumps): Likewise.
14808 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14809 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14810 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14811 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14812 * rtl.h (dump_flow_info): Adjust prototype.
14813 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14814 * var-tracking.c (variable_tracking_main): Likewise.
14815 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14816 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14819 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14821 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14824 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14826 PR tree-optimization/26209
14827 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14828 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14830 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14832 2006-02-14 Roger Sayle <roger@eyesopen.com>
14834 PR middle-end/23670
14835 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14836 (X,Y) and the corresponding symmetry related transformations.
14837 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14838 (X,Y) and its symmetry related transformations.
14840 2006-02-14 Roger Sayle <roger@eyesopen.com>
14842 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14845 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14847 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14849 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14852 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14853 support COMDAT group.
14854 * configure: Regenerate.
14856 2006-02-14 Roger Sayle <roger@eyesopen.com>
14858 PR middle-end/26279
14859 PR middle-end/26280
14860 PR middle-end/26283
14861 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14863 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14865 Fix PR tree-optimization/26260
14867 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14869 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14870 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14871 * tree-ssa-structalias.c (create_variable_info_for): Use
14872 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14874 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14876 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14878 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14879 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14880 of the ending condition.
14881 * tree-ssa-loop-manip.c: Include params.h.
14882 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14883 tree_unroll_loop): New functions.
14884 * tree-pass.h (pass_loop_prefetch): Declare.
14885 * loop.c (rest_of_handle_loop_optimize): Test for
14886 -fprefetch-loop-arrays-rtl.
14887 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14888 * timevar.def (TV_TREE_PREFETCH): New timevar.
14889 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14890 pass_loop_prefetch): New.
14891 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14892 (cleanup_tree_cfg_loop): Call scev_reset.
14893 * common.opt (fprefetch-loop-arrays-rtl): Add.
14894 * tree-ssa-loop-prefetch.c: New file.
14895 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14896 (new_temp_expr_table): Initialize expr_vars.
14897 (free_temp_expr_table): Cleanup expr_vars.
14898 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14899 expressions from being merged into one.
14900 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14901 (struct tree_niter_desc): Add control, bound and cmp fields.
14902 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14904 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14905 (tree-cfgcleanup.o): Add SCEV_H dependency.
14906 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14907 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14909 2006-02-14 Richard Guenther <rguenther@suse.de>
14911 PR tree-optimization/26258
14912 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14913 in PHI argument processing.
14915 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14917 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14918 new expression in the requested machine mode.
14920 2006-02-13 Roger Sayle <roger@eyesopen.com>
14922 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14923 directly, instead let do_compare_rtx_and_jump handle this for us.
14924 * expr.c (expand_expr_real_1): Likewise.
14925 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14926 before do_jump_by_parts_greater.
14927 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14928 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14930 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14932 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14934 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14936 PR rtl-optimization/26235
14937 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14938 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14941 2006-02-13 Jeff Law <law@redhat.com>
14943 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14946 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14948 PR middle-end/26092
14949 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14950 twice if decl is a builtin. When trying again, call get_callee_fndecl
14951 first to verify it is still a builtin.
14953 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14955 * dwarf2out.c (base_type_die): Don't add AT_name here.
14956 (subrange_type_die): Don't add AT_name here.
14957 (modified_type_die): Rearrange code flow. Do add AT_name here.
14959 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14961 PR rtl-optimization/26247
14962 PR rtl-optimization/26248
14963 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14965 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14967 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14968 * config/fixtfdi.c: Likewise.
14969 * config/fixunstfdi.c: Likewise.
14970 * config/floatditf.c: Likewise.
14972 2006-02-13 Roger Sayle <roger@eyesopen.com>
14974 PR middle-end/24427
14975 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14976 into (X,C2) if C1 is a subset of the bits of C2. Transform
14977 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14979 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14981 2006-02-13 Josh Conner <jconner@apple.com>
14984 * varasm.c (function_section): Check for section name before
14985 calling select_section on targets that define
14986 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14987 unlikely_text_section instead of hot_function_section if
14988 first_function_block_is_cold.
14990 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14992 PR middle-end/25335
14993 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14995 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14997 PR rtl-optimization/26222
14998 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14999 after tree->rtl expansion.
15000 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15001 before passing it to emit_move_insn.
15003 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15005 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15007 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15008 Clarify documentation.
15009 * c-common.h (warn_write_strings): Remove.
15010 * c-common.c (warn_write_strings): Likewise.
15011 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15014 2006-02-12 Roger Sayle <roger@eyesopen.com>
15016 PR middle-end/25724
15017 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15018 (do_jump_parts_zero_rtx): New function renamed from
15019 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15020 (do_jump_parts_equality_rtx): New function split out from
15021 do_jump_parts_equality. Old implementation renamed as above.
15022 Call do_jump_parts_zero_rtx if either operand is zero.
15023 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15024 do all of the heavy lifting.
15025 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15026 calling either do_jump_by_parts_greater_rtx or
15027 do_jump_by_parts_equality_rtx.
15028 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15029 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15030 moved to do_compare_rtx_and_jump, call it directly.
15031 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15032 mode argument. Call do_compare_rtx_and_jump.
15033 (emit_case_nodes): Update calls to do_jump_if_equal.
15035 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15037 PR rtl-optimization/26225
15038 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15040 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15042 PR rtl-optimization/26232
15043 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15045 2006-02-11 Jason Merrill <jason@redhat.com>
15048 * tree-inline.c (declare_return_variable): Just don't use the
15049 modify target if it's a gimple complex reg and the return slot
15052 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15054 * doc/contrib.texi: Update my entry.
15056 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15058 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15060 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15062 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15065 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15067 * doc/invoke.texi (-floop-optimize2): Removed.
15068 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15069 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15070 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15071 * common.opt (floop-optimize2): Removed.
15072 (fmove-loop-invariants): Enabled by default.
15074 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15076 * tree-if-conv.c (combine_blocks): Free the result of
15077 get_loop_exit_edges.
15079 2006-02-10 Jeff Law <law@redhat.com>
15081 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15083 PR tree-optimization/26213
15084 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15085 loop trying to follow SSA_NAME_VALUE chains.
15087 2006-02-10 Richard Guenther <rguenther@suse.de>
15089 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15090 deal with structures that end in implicitly variable sized arrays.
15092 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15094 PR rtl-optimization/24762
15095 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15098 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15100 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15101 (struct ivopts_data): Add regs_used field.
15102 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15103 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15104 instead of loop_data->regs_used;
15105 (free_loop_data): Do not free aux fields for loops.
15106 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15107 and tree_ssa_iv_optimize_finalize.
15109 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15111 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15113 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15116 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15117 computing the effective result type.
15119 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15121 PR inline-asm/16194
15122 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15123 (tree_overlaps_hard_reg_set): Declare.
15124 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15125 type and signature to match function type expected by walk_tree.
15126 (tree_overlaps_hard_reg_set): New function.
15127 (decl_conflicts_with_clobbers_p): Rename to:
15128 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15129 Use tree_overlaps_hard_reg_set. Changed caller.
15130 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15131 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15132 * cris.c (cris_md_asm_clobbers): Likewise.
15134 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15136 * reload1.c (emit_input_reload_insns): Delete code that tries to
15137 inherit using find_equiv_reg.
15139 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15141 * c-common.h (flag_const_strings): Don't declare.
15142 * c-common.c (flag_const_strings): Remove.
15143 * c.opt (fconst_strings): Remove.
15144 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15145 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15146 (c_common_init_options): Don't set flag_const_strings.
15147 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15149 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15151 * arm.md (tlobits_cbranch): New pattern.
15152 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15153 testing a single bit.
15155 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15158 * tree-ssa-pre.c (create_component_ref_by_pieces):
15159 Handle RETURN_DECL like VAR_DECL.
15161 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15163 PR middle-end/26134
15164 * fold-const.c (fold_indirect_ref_1): Fold
15165 "*(foo *)&complexfoo" to "__real__ complexfoo"
15166 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15168 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15170 * tree-flow-inline.h (var_can_have_subvars):
15171 Volatile variables should not have subvariables.
15173 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15176 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15177 multiplying unsigned values.
15180 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15182 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15184 2006-02-08 Jason Merrill <jason@redhat.com>
15187 * tree.def: Elaborate on difference from MODIFY_EXPR.
15188 * doc/c-tree.texi (INIT_EXPR): Likewise.
15189 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15190 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15191 (gimplify_target_expr): Likewise.
15192 (gimplify_cond_expr): Remove target handling.
15193 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15194 (gimplify_expr): Clobber it here.
15195 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15196 Do return slot optimization if we have an INIT_EXPR.
15199 * tree-inline.c (declare_return_variable): Also clear
15200 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15203 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15205 PR middle-end/22439
15206 * gimplify.c (gimplify_one_sizepos): Fix typo.
15208 2006-02-08 Jeff Law <law@redhat.com>
15210 PR tree-optimization/21417
15211 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15212 across a backedge if the control statement at the end of the
15213 block is data dependent on other statements in the same block.
15214 (record_temporary_equivalences_from_stmts): Remove over-conservative
15215 test for threading across backedges.
15217 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15218 control statement, handle all three special cases in the same
15219 manner as they all have the same desired solution. No longer
15220 special case edge flag updating when the post dominator is
15223 2006-02-08 Roger Sayle <roger@eyesopen.com>
15225 * tree.def (CHAR_TYPE): Remove.
15226 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15227 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15228 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15229 (gen_string_type_die): Delete unreachable function.
15231 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15232 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15233 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15234 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15235 * builtins.c (type_to_class): Likewise.
15236 * fold-const.c (fold_convert, build_range_check,
15237 merge_ranges): Likewise.
15238 * expr.c (count_type_elements): Likewise.
15239 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15240 * stor-layout.c (layout_type): Likewise.
15241 * ipa-type-escape.c (type_to_consider): Likewise.
15242 * gimplify.c (omp_firstprivatize_type_sizes,
15243 gimplify_type_sizes): Likewise.
15244 * explow.c (promote_mode): Likewise.
15245 * tree-sra.c (is_sra_scalar_type): Likewise.
15246 * varasm.c (output_constant): Likewise.
15247 * tree-inline.c (remap_type_1): Likewise.
15248 * convert.c (convert_to_pointer, convert_to_real,
15249 convert_to_integer, convert_to_complex): Likewise.
15251 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15253 * df-scan.c (df_def_record_1): A set destination may
15254 be a parallel regardless of mode.
15256 2006-02-08 Roger Sayle <roger@eyesopen.com>
15259 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15260 * config/mips/_tilib.c: Remove.
15261 * config/fixtfdi.c: New libgcc source file.
15262 * config/fixunstfdi.c: New source file.
15263 * config/floatditf.c: New source file.
15264 * config/floatunditf.c: New souce file.
15265 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15266 files above instead of config/mips/_tilib.c.
15267 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15269 2006-02-08 Jeff Law <law@redhat.com>
15271 PR tree-optimization/26169
15272 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15275 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15277 * df.h (DF_REG_SIZE): Return the length of the initialized
15280 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15282 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15283 __muldf3): Return a correctly signed zero.
15285 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15287 * passes.c (register_one_dump_file): Accept the current properties
15288 instead of pass number. Adjust call to dump_register. Remove
15290 (register_dump_files): Now a wrapper around...
15291 (register_dump_files_1): ... this one. Do not modify the pass
15293 (next_pass_1): Cosmetic fix.
15294 (execute_todo): Keep second parameter only. Use curr_properties
15295 instead of fetching it from the pass structure. Check and set
15297 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15298 instead of fetching it from the pass structure. Fix calls to
15299 execute_todo. Update curr_properties and initialize .vcg RTL dump
15300 after running the pass. Reset last_verified.
15301 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15303 (FIRST_AUTO_NUMBERED_DUMP): New.
15304 (dump_register): Remove "num" parameter, assign it within the
15306 (get_dump_file_name): Modify template for dumps.
15307 * tree-dump.h (dump_register): Adjust prototype.
15308 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15309 (PROP_trees): Add PROP_gimple_lomp.
15310 (TODO_set_props): New.
15311 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15312 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15313 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15315 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15317 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15318 (sparc64-*-linux*): Likewise.
15319 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15320 * config/sparc/t-linux: New file.
15321 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15322 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15323 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15324 -m32 -mlong-double-128.
15326 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15327 * config/alpha/t-linux: New file.
15328 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15330 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15331 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15332 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15333 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15334 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15335 (CPP_ARCH32_SPEC): Remove.
15337 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15339 PR tree-optimization/26145
15340 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15343 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15346 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15347 >= 240000 when generating code for SOM runtime.
15348 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15349 to $$dyncall when generating code for SOM runtime..
15351 2006-02-07 Dirk Mueller <dmueller@suse.com>
15354 * doc/invoke.texi (-Wsequence-point): Update documentation
15355 that -Wsequence-point is implemented for C++ as well.
15357 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15359 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15360 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15361 (LIB_SPEC): Likewise.
15362 * doc/invoke.texi (SPARC options): Document -pthread.
15364 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15366 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15369 2006-02-07 Roger Sayle <roger@eyesopen.com>
15371 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15372 Correct comment describing BOOLEAN_TYPE.
15374 2006-02-07 Dirk Mueller <dmueller@suse.com>
15376 * c.opt: C++ frontend supports -Wdiv-by-zero.
15377 * c-opts.c (c_common_handle_option): Remove dead case.
15379 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15381 * configure.ac (TLS assembler check): Do not enable TLS by
15382 default on SPARC/Solaris before version 10.
15383 * configure: Regenerate.
15385 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15387 * doc/invoke.texi (xl-compat): Document conversion and support
15390 2006-02-07 Jeff Law <law@redhat.com>
15392 * tree-vrp.c (find_conditional_asserts): Update comments.
15393 (simplify_stmt_for_jump_threading): New.
15394 (identify_jump_threads, finalize_jump_threads): New.
15395 (vrp_finalize): Call identify_jump_threads.
15396 (execute_vrp): Call finalize_jump_threads.
15397 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15398 (vrp_element, vrp_data, vrp_element_p): Remove.
15399 (vrp_hash_elt, vrp_variables_stack): Remove.
15400 (vrp_hash, vrp_eq, record_range): Remove.
15401 (simplify_cond_and_lookup_avail_expr): Remove.
15402 (extract_range_from_cond): Remove.
15403 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15404 (simplify_stmt_for_jump_threading): New.
15405 (dom_thread_across_edge): New wrapper.
15406 (tree_ssa_dominator_optimize): No longer initialize or
15407 finalize any of the VRP datastructures. Remove iteration
15408 step and simplify as a result of removal of iteration step.
15409 (pass_dominator): Perform a cfg cleanup after DOM.
15410 (dom_opt_finalize_block): Use the new common routines
15411 for threading jumps. Simplify stack management slightly.
15412 No longer need to unwind VRP state.
15413 (record_equivalences_from_incoming_edge): No longer record
15415 (eliminate_redundant_computations): No longer call
15416 simplify_cond_and_lookup_avail_expr.
15417 * tree-flow.h (potentially_threadable_block): Prototype.
15418 (thread_across_edge): Likewise.
15419 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15420 (tree-ssa-threadedge.o): Add dependencies.
15421 * tree-ssa-threadedge.c: New file.
15422 * passes.c (init_optimization_passes): Merge PHIs before
15423 calling VRP. Run VRP again late in the SSA optimization pipeline.
15425 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15427 * df-core.c (df_set_blocks): Do not dereference function pointers.
15428 (df_finish1): Likewise.
15429 (df_hybrid_search_forward): Likewise.
15430 (df_hybrid_search_backward): Likewise.
15431 (df_iterative_dataflow): Likewise.
15432 (df_analyze_problem): Likewise.
15433 (df_compact_blocks): Likewise.
15434 (df_dump): Likewise.
15435 * df-scan.c (df_rescan_blocks): Likewise.
15436 (df_record_entry_block_defs): Likewise.
15438 * genconditions.c (write_conditions): Guard the definition of
15439 'insn_conditions' with the check on GCC version.
15440 (write_writer): Guard the traversal 'insn_conditions' with
15441 the check on GCC version.
15443 2006-02-07 Richard Guenther <rguenther@suse.de>
15447 2006-01-30 Richard Guenther <rguenther@suse.de>
15449 * gimplify.c (gimplify_target_expr): Handle easy cases
15450 without creating a temporary.
15452 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15454 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15455 use of float in probability computations. Use edge probabilities
15456 in place of statically computed probabilities.
15457 (min_spec_prob): New static variable.
15458 (schedule_insns): Initialize it.
15459 (GET_SRC_PROB): Removed.
15460 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15462 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15465 * config/ia64/unwind-ia64.c: Revert last change.
15466 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15467 (INCOMING_FRAME_SP_OFFSET): Define.
15469 2006-02-06 Roger Sayle <roger@eyesopen.com>
15471 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15473 2006-02-07 Ben Elliston <bje@au.ibm.com>
15475 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15476 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15477 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15478 (ix86_return_in_memory): Handle TDmode.
15479 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15480 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15482 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15484 * reorg.c (dbr_schedule): Use dump_file instead of file.
15486 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15489 * config/ia64/predicates.md (extr_len_operand): New predicate.
15490 * config/ia64/ia64.md (extv): Tighten constraints.
15492 (*tbit_and_2): Ditto.
15493 (*tbit_and_3): Ditto.
15494 (*tbit_or_2): Ditto.
15495 (*tbit_or_3): Ditto.
15496 (*bit_zero): Ditto.
15499 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15502 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15504 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15506 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15507 loop_optimizer_init and loop_optimizer_finalize
15508 * tree-ssa-sink.c (execute_sink_code): Ditto.
15509 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15510 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15511 tree_ssa_loop_done): Ditto.
15512 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15513 * sched-ebb.c: Include output.h.
15514 (schedule_ebbs): Do not use dump argument.
15515 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15516 * loop.c (loop_dump_stream): Removed.
15517 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15519 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15520 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15521 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15522 loop_iterations, strength_reduce, record_biv, record_giv,
15523 final_giv_value, check_final_value, check_ext_dependent_givs,
15524 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15525 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15526 dump_file instead of loop_dump_stream.
15527 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15528 argument dump_file.
15529 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15531 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15532 * haifa-sched.c: Include output.h
15533 (schedule_insns, sched_init): Do not use dump argument.
15534 * mode-switching.c (optimize_mode_switching): Ditto.
15535 * modulo-sched.c (stats_file): Removed.
15536 (print_node_sched_params): Do not call argument dump_file.
15537 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15538 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15540 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15542 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15543 rtl_loop_init, rtl_loop_done): Ditto.
15544 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15545 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15547 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15548 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15549 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15550 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15551 * emit-rtl.c (renumber_insns): Ditto.
15552 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15553 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15554 * regclass.c (regclass): Ditto.
15555 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15556 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15557 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15558 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15560 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15561 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15563 * gcse.c (gcse_file, debug_stderr): Removed.
15564 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15565 rest_of_handle_gcse): Do not use dump argument.
15566 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15567 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15568 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15569 compute_code_hoist_vbeinout, compute_code_hoist_data,
15570 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15571 compute_store_table, build_store_vectors, insert_insn_start_bb,
15572 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15573 store_motion): Use dump_file instead of gcse_file.
15574 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15575 * profile.c (profile_dump_file): Removed.
15576 (branch_prob): Use dump_file instead of profile_dump_file.
15577 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15579 * tree-ssa-copy.c (dump_copy_of): Ditto.
15580 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15581 dump file to life_analysis.
15582 * bt-load.c (branch_target_load_optimize): Ditto.
15583 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15585 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15586 regclass, dbr_schedule): Declaration changed.
15587 * sched-int.h (sched_init): Declaration changed.
15588 * tree-profile.c (tree_profile_dump_file): Removed.
15589 (tree_profile_hooks): Removed profile_dump_file hook.
15590 * rtl-profile (rtl_profile_dump_file): Removed.
15591 (rtl_profile_hooks): emoved profile_dump_file hook.
15592 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15594 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15595 * tree-cfg.c (build_tree_cfg): Ditto.
15596 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15597 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15598 Declaration changed.
15599 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15600 life_analysis and schedule_insns.
15601 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15603 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15605 * config/mips/mips.c (mips_reorg): Ditto.
15606 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15609 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15611 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15612 (s390_mangle_fundamental_type): New.
15613 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15616 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15617 (alpha_mangle_fundamental_type): New.
15618 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15621 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15623 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15625 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15626 (sparc_mangle_fundamental_type): New.
15628 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15630 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15631 (s390x-*-linux*): Likewise.
15632 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15633 * config/s390/t-linux: New file.
15635 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15637 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15638 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15640 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15642 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15643 (ANTIC_SAFE_LOADS): New macro.
15644 (find_or_generate_expression): Add prototype.
15645 (set_contains_value): Allow null set for sake of not always having
15646 to allocate ANTIC_SAFE_LOADS.
15647 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15648 Allow COMPONENT_REF too.
15649 (valid_in_set): Allow COMPONENT_REF.
15650 Check ANTIC_SAFE_LOADS too.
15651 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15652 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15654 (can_PRE_operation): Add COMPONENT_REF.
15655 (create_component_ref_by_pieces): New function.
15656 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15657 (insert_aux): Move AGGREGATE_TYPE_P check here.
15658 (compute_avail): Set bb local stmt uids.
15659 (pass_pre): Use TODO_update_ssa_only_virtuals.
15661 2006-02-06 Ben Elliston <bje@au.ibm.com>
15663 * configure.ac: Unconditionally disable decimal float by default.
15664 * configure: Regenerate.
15666 2006-02-06 Ben Elliston <bje@au.ibm.com>
15668 * read-rtl.c (read_name): Terminate reading on EOF.
15670 2006-02-06 Ben Elliston <bje@au.ibm.com>
15672 * dfp.c (decimal_real_arithmetic): Change second argument type
15673 from int to enum tree_code. Do not always return true, but now
15674 return result of any call to decimal_do helper functions.
15675 * dfp.h (decimal_real_arithmetic): Update prototype.
15677 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15679 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15681 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15684 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15687 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15689 * tree-vrp.c (cfg_loops): Removed.
15690 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15691 Use current_loops instead of cfg_loops. Pass flags to
15692 loop_optimizer_init.
15693 * cfgloopmanip.c (fix_loop_structure): Update only available
15695 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15696 loop_optimizer_init.
15697 * modulo-sched.c (build_loops_structure): Removed.
15698 (sms_schedule): Use loop_optimizer_init.
15699 * loop-init.c (loop_optimizer_init): Use flags to determine
15700 which properties of loops to prepare.
15701 (rtl_loop_init): Pass flags to loop_optimizer_init.
15702 * tree-ssa-sink.c (execute_sink_code): Ditto.
15703 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15704 * tree-ssa-pre.c (init_pre): Ditto.
15705 * cfgloop.h (LOOPS_NORMAL): New.
15706 (loop_optimizer_init): Declaration changed.
15708 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15710 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15711 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15713 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15715 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15717 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15718 * pa/t-pa64: Delete quadlib.c rule.
15719 * pa/x-ada: Revert last change.
15720 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15722 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15724 PR rtl-optimization/26087
15725 * rtlanal.c (canonicalize_condition): Do not cross basic block
15728 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15731 * config/ia64/ia64.c: Include debug.h.
15732 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15733 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15734 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15735 (process_epilogue, process_set, process_for_unwind_directive):
15736 Output unwind info only if requested. Add CFA info if requested.
15737 Add new arguments as needed. Adjust callers.
15738 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15740 (DWARF2_FRAME_INFO): Define to zero.
15741 * config/ia64/unwind-ia64.c: Remove code that compensated for
15742 the CFA offset error fixed above.
15743 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15744 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15745 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15746 -funwind-tables and -fexceptions to enable frame info.
15747 (dwarf2out_frame_init): Define initial CFA even if
15748 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15749 DWARF2_UNWIND_INFO is nonzero, not just defined.
15750 (dwarf2out_frame_finish): Output non-EH call frame info only
15751 if DWARF2_FRAME_INFO is nonzero.
15752 (convert_cfa_to_loc_list,
15753 compute_frame_pointer_to_cfa_displacement): Define even if
15754 unwind info is not supported.
15755 (gen_subprogram_die): Use the above unconditionally. Remove
15756 legacy alternate code.
15757 * toplev.c (compile_file): Compile in call to
15758 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15759 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15761 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15762 Jakub Jelinek <jakub@redhat.com>
15764 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15765 IBM extended float format long double as "g" on powerpc*-linux.
15767 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15770 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15771 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15773 2006-02-03 Jason Merrill <jason@redhat.com>
15776 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15778 PR middle-end/25977
15779 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15780 on the return slot if it's an NRV.
15782 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15784 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15785 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15786 rewrite_use): Do not handle USE_OUTER.
15787 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15788 add_iv_outer_candidates, may_replace_final_value,
15789 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15790 (find_interesting_uses_op): Functionality of
15791 find_interesting_uses_outer_or_nonlin moved here.
15792 (find_interesting_uses_outside): Use find_interesting_uses_op.
15794 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15797 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15799 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15800 Ulrich Weigand <uweigand@de.ibm.com>
15803 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15804 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15805 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15806 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15808 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15809 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15810 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15811 Define secondary reloads for TFmode moves.
15812 (constant_modes): Add TFmode.
15813 (NR_C_MODES): Set to 8.
15814 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15816 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15817 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15818 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15819 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15820 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15821 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15822 (FPR mode macro): Add TFmode.
15823 (DSF mode macro): New.
15824 (<de>, <dee> mode attributes): Removed.
15825 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15826 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15827 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15828 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15829 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15830 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15831 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15832 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15833 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15834 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15835 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15836 "*negabs<mode>2", "sqrt<mode>2"):
15837 Changed <de> to <xde>. R constraint replaced by <Rf>.
15838 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15840 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15841 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15842 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15844 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15845 "extenddftf2", "extendsftf2"): New expanders.
15846 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15847 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15848 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15849 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15851 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15852 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15853 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15854 __floatditf): Add a GCC_4.1.0 symbol version tag.
15855 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15858 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15861 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15862 Use targetm.binds_local_p instead of TREE_PUBLIC.
15864 2006-02-02 Roger Sayle <roger@eyesopen.com>
15866 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15867 on INTEGER_TYPEs to indicate that it denotes a character type.
15868 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15869 signed_char_type_node, unsigned_char_type_node and char_type_node.
15870 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15871 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15872 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15874 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15875 Daniel Berlin <dberlin@dberlin.org>
15877 * tree-tailcall.c (arg_needs_copy_p): New function.
15878 (eliminate_tail_call): Use arg_needs_copy_p.
15879 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15880 (add_virtual_phis): New function.
15882 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15884 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15885 #ignore instead of #scratch for %g7 .register directive.
15887 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15889 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15892 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15894 * flow.c (calculate_global_regs_live): Assert that there aren't any
15897 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15899 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15900 what its name says.
15901 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15902 bsi_after_labels iterator.
15903 * tree-if-conv.c (find_phi_replacement_condition,
15904 replace_phi_with_cond_modify_expr): Likewise.
15905 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15906 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15908 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15910 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15912 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15915 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15916 array after growing it.
15918 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15920 PR middle-end/24901
15921 * fold-const.c (fold_checksum_tree): Change type of buf.
15923 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15925 * reload.c (push_secondary_reload): Initialize t_icode.
15927 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15929 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15930 -msoft-float -mlong-double-128 only issue a warning, but don't
15931 swich to DFmode long double.
15933 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15935 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15936 has a constant equivalent, iterate over equivalents for arg0,
15937 calling simplify_relational_operation and if there's a result
15938 cheaper than X, apply fold_rtx and return the result.
15940 2006-02-01 Jan Hubicka <jh@suse.cz>
15942 * opts.c (no_unit_at_a_time_default): New global variable.
15943 (decode_options): Use it.
15944 * opts.h (no_unit_at_a_time_default): Declare.
15946 2006-02-01 Paul Brook <paul@codesourcery.com>
15948 * function.c (assign_parm_setup_reg): Use function argument promotion
15950 * expr.c (expand_expr_real_1): Use function argument promotion rules
15953 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15955 * gcc.c (process_command): Change j to 'unsigned int'.
15957 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15959 PR middle-end/26001
15960 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15961 Use the corrected index for the character
15962 out of the string constant.
15964 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15966 * mode-switching.c (optimize_mode_switching): Fix size
15967 allocated for bb_info[n_entities].
15969 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15971 * gcc.c (main): Correct type that is allocated for
15972 explicit_link_files.
15974 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15976 * config/s390/s390.c (init_alignment_context): Set
15977 ALIAS_SET_MEMORY_BARRIER on the MEM.
15978 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15980 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15982 PR middle-end/25933
15983 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15985 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15988 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15990 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15991 * regrename.c: Ditto.
15992 * tree-ssa-loop-im.c: Ditto.
15993 * tree-dump.c: Ditto.
15994 * tree-complex.c: Ditto.
15995 * genrecog.c: Ditto.
15996 * tree-ssa-threadupdate.c: Ditto.
15998 * java/class.c: Ditto.
15999 * java/jcf-parse.c: Ditto.
16000 * java/resource.c: Ditto.
16001 * java/except.c: Ditto.
16002 * java/jvspec.c: Ditto.
16003 * java/jcf-write.c: Ditto.
16004 * java/jcf-path.c: Ditto.
16005 * java/gjavah.c: Ditto.
16006 * java/zextract.c: Ditto.
16007 * java/jcf-io.c: Ditto.
16008 * java/jcf.h: Ditto.
16009 * java/buffer.c: Ditto.
16010 * java/lang.c: Ditto.
16011 * java/parse-scan.y: Ditto.
16012 * java/lex.c: Ditto.
16013 * java/lex.h: Ditto.
16014 * cfgloopmanip.c: Ditto.
16015 * postreload-gcse.c: Ditto.
16016 * tree-ssa-loop-manip.c: Ditto.
16017 * postreload.c: Ditto.
16018 * tree-ssa-loop-ch.c: Ditto.
16021 * cppspec.c: Ditto.
16022 * diagnostic.c: Ditto.
16024 * genoutput.c: Ditto.
16026 * cfghooks.c: Ditto.
16027 * cfgloopanal.c: Ditto.
16028 * objc/objc-act.c: Ditto.
16030 * genextract.c: Ditto.
16031 * genautomata.c: Ditto.
16032 * pretty-print.c: Ditto.
16033 * genemit.c: Ditto.
16034 * cgraphunit.c: Ditto.
16036 * df-scan.c: Ditto.
16037 * haifa-sched.c: Ditto.
16038 * dominance.c: Ditto.
16040 * tree-ssa-loop-ivopts.c: Ditto.
16041 * df-core.c: Ditto.
16042 * mode-switching.c: Ditto.
16043 * modulo-sched.c: Ditto.
16045 * ipa-pure-const.c: Ditto.
16047 * fix-header.c: Ditto.
16049 * tree-stdarg.c: Ditto.
16050 * ipa-utils.c: Ditto.
16051 * loop-init.c: Ditto.
16052 * ipa-inline.c: Ditto.
16053 * cfganal.c: Ditto.
16055 * alloc-pool.c: Ditto.
16056 * dwarf2out.c: Ditto.
16058 * genattrtab.c: Ditto.
16059 * tree-ssa-loop-ivcanon.c: Ditto.
16060 * predict.c: Ditto.
16061 * timevar.c: Ditto.
16063 * fortran/gfortranspec.c: Ditto.
16064 * regmove.c: Ditto.
16065 * local-alloc.c: Ditto.
16066 * langhooks.c: Ditto.
16067 * function.c: Ditto.
16068 * tree-vectorizer.c: Ditto.
16070 * ipa-type-escape.c: Ditto.
16072 * tree-if-conv.c: Ditto.
16073 * profile.c: Ditto.
16075 * tree-data-ref.c: Ditto.
16076 * loop-unroll.c: Ditto.
16077 * treelang/treetree.c: Ditto.
16079 * bt-load.c: Ditto.
16080 * ggc-common.c: Ditto.
16082 * coverage.c: Ditto.
16084 * tree-cfgcleanup.c: Ditto.
16085 * tree-ssa-pre.c: Ditto.
16086 * cfgcleanup.c: Ditto.
16087 * loop-invariant.c: Ditto.
16088 * loop-iv.c: Ditto.
16089 * ipa-prop.c: Ditto.
16090 * print-tree.c: Ditto.
16091 * conflict.c: Ditto.
16092 * ggc-page.c: Ditto.
16093 * sched-deps.c: Ditto.
16094 * regclass.c: Ditto.
16095 * tree-object-size.c: Ditto.
16096 * combine.c: Ditto.
16097 * bb-reorder.c: Ditto.
16098 * resource.c: Ditto.
16099 * var-tracking.c: Ditto.
16100 * cfgloop.c: Ditto.
16101 * df-problems.c: Ditto.
16102 * reg-stack.c: Ditto.
16104 * gccspec.c: Ditto.
16105 * sched-rgn.c: Ditto.
16106 * tree-ssa-structalias.c: Ditto.
16107 * tree-ssa-reassoc.c: Ditto.
16108 * config/darwin-c.c: Ditto.
16109 * config/darwin.c: Ditto.
16110 * config/arm/arm.c: Ditto.
16112 * collect2.c: Ditto.
16113 * reload1.c: Ditto.
16115 2006-01-31 Nicolas Pitre <nico@cam.org>
16117 * arm.md (smaxsi3): Make aware of smax_m1.
16120 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16122 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16124 2006-01-31 Richard Guenther <rguenther@suse.de>
16126 * doc/invoke.texi (-msselibm): Document.
16127 * target.h (expand_library_builtin): New target hook.
16128 * builtins.c (expand_builtin): Use expand_library_builtin.
16129 (default_expand_library_builtin): New function.
16130 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16131 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16132 (link_gcc_math_spec): Declare.
16133 (static_specs): Add link_gcc_math_spec.
16134 * expr.h (default_expand_library_builtin): Declare.
16135 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16136 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16137 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16138 * config/i386/i386.opt (msselibm): New target option.
16139 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16140 (ix86_init_sse_abi_builtins): New function.
16141 (ix86_expand_library_builtin): Likewise.
16142 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16143 (override_options): Handle error conditions wrt -msselibm.
16144 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16145 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16146 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16149 2006-01-31 Richard Guenther <rguenther@suse.de>
16150 Paolo Bonzini <bonzini@gnu.org>
16152 * doc/install.texi (--disable-libgcc-math): Document.
16154 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16156 * expr.h (expand_normal): new inline function.
16157 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16158 * dojump.c: use it.
16159 * dwarf2out.c: use it.
16162 * expmed.c: use it.
16163 * except.c: use it.
16164 * config/sparc/sparc.c: use it.
16165 * config/i386/i386.c: use it.
16166 * config/rs6000/rs6000.c: use it.
16167 * config/arm/arm.c: use it.
16168 * config/mips/mips.c: use it.
16169 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16171 2006-01-30 Roger Sayle <roger@eyesopen.com>
16173 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16174 argv to the appropriate type.
16176 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16178 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16181 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16184 * config/s390/s390.c (struct machine_function): New flag
16185 decomposed_literal_pool_addresses_ok_p.
16186 (s390_reorg): Set it before final stage of literal pool transforms.
16187 (s390_decompose_address): Only accept displacements of the form
16188 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16190 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16192 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16193 the comparison routine return.
16195 2006-01-30 Michael Matz <matz@suse.de>
16197 * global.c (find_reg): Only evict for global regs.
16198 Take n_refs into account and dump more info.
16200 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16203 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16204 (pragma_trap, pragma_nosave_low_regs): Likewise.
16205 (current_function_anonymous_args): Likewise.
16206 (sh_deferred_function_attributes): New variable.
16207 (sh_deferred_function_attributes_tail): Likewise.
16208 (print_operand): For '@', look up trap_exit attribute.
16209 (calc_live_regs): Look up trapa_handler attribute. For trapa
16210 handlers, save/restore fpscr, but don't do any other
16211 interrupt-specific saves.
16212 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16213 Fix check for partially saved registers to check for SHmedia.
16214 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16215 (sh_output_function_epilogue): Don't clear any of the removed
16217 (sh_insert_attributes): Don't check pragma_interrupt.
16218 Insert deferred attributes. Check that interrupt attribute is
16219 present for other attributes that require its presence.
16220 (sh_attribute_table): Add new attributes trapa_handler and
16222 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16223 Don't check for pragma_interrupt. Don't store argument.
16224 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16225 (sh_deferred_function_attributes): Declare.
16226 (sh_deferred_function_attributes_tail): Likewise.
16227 * sh.md (sp_switch_1): Add operand. Change generator caller.
16228 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16229 (*return_i): Don't use when trap_exit attribute is in effect.
16230 (*return_trapa): New insn pattern.
16231 * sh-c.c: New file.
16232 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16233 setting c_target_objs and cxx_target_objs.
16234 * t-sh: Add rule for sh-c.o.
16236 2006-01-30 Richard Guenther <rguenther@suse.de>
16239 * gimplify.c (gimplify_target_expr): Handle easy cases
16240 without creating a temporary.
16242 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16244 * vec.h (safe_grow): Remove duplicated line.
16246 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16249 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16250 (expand_omp): ... here.
16251 (expand_omp_parallel): Only remove barriers for combined
16252 parallel+workshare constructs.
16254 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16258 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16259 * tree.c (build_qualified_type): Chain the new type to the original
16260 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16261 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16262 (build_pointer_type_for_mode): Only return unqualified types.
16263 (build_reference_type_for_mode): Likewise.
16265 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16267 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16268 * Makefile.in (CXX_COMPAT_WARN): Define.
16269 * configure: Regenerate.
16271 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16274 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16277 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16279 * toplev.c: Fix thinko.
16281 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16282 Marcin Dalecki <martin@dalecki.de>
16284 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16285 (push_srcloc): Use XNEW.
16286 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16288 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16290 * df-core.c (df_set_blocks): Deleted all variable.
16292 2006-01-28 Ian Lance Taylor <ian@airs.com>
16294 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16295 cgraph_output_pending_asms.
16297 2006-01-28 Zack Weinberg <zackw@panix.com>
16299 * c.opt: Add -W(no-)overlength-strings.
16300 * doc/invoke.texi: Document it.
16301 * c-opts.c (c_common_handle_option): -pedantic implies
16302 -Woverlength-strings, if not explicitly disabled already.
16303 (c_common_post_options): -Woverlength-strings defaults to off, and
16304 is always off for C++.
16305 * c-common.c (fix_string_type): Issue warning about strings longer
16306 than is portable only if warn_overlength_strings. Rearrange code
16307 a little for clarity.
16308 * configure.in: Check for -Wno-overlength-strings as well before
16309 enabling -pedantic in stage 1.
16310 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16311 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16313 * genconditions.c (write_header, write_one_condition)
16314 (write_conditions, write_writer): Consolidate very long strings
16315 that were broken up to fit in C89 portable limit. Don't use
16316 printf when fputs will do.
16318 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16320 * combine.c (simplify_comparison <AND>): Check
16321 TRULY_NOOP_TRUNCATION before start using a subreg.
16323 * config/mips/mips.md (*branch_zero<mode>,
16324 *branch_zero<mode>_inverted, *branch_equality<mode>,
16325 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16326 Remove mode check from comparisons.
16328 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16330 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16332 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16334 * expmed.c (const_mult_add_overflow_p): Remove.
16335 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16337 * recog.c (validate_replace_rtx_subexp): Remove.
16338 * recog.h: Remove the prototype for
16339 validate_replace_rtx_subexp.
16341 * integrate.h: Remove the prototype for
16342 copy_decl_for_inlining.
16343 * rtl.h: Remove the prototype for mark_constant_function.
16344 * tree-vectorizer.h: Remove the prototype for
16345 vect_strip_conversion.
16347 * modulo-sched.c (create_partial_schedule,
16348 free_partial_schedule, reset_partial_schedule): Make them
16351 * hooks.c (hook_bool_rtx_int_false): Remove.
16352 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16354 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16356 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16357 and -mlong-double-128 are incompatible.
16358 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16359 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16360 (TARGET_LIBGCC2_CFLAGS): Define.
16361 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16362 (TARGET_LIBGCC2_CFLAGS): Same.
16363 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16365 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16368 * c-typeck.c (build_binary_op): Perform implicit casts of
16369 operands before shortening them.
16371 * cfgloopmanip.c (split_loop_bb): Remove.
16372 * cfgloop.h: Remove the prototype for split_loop_bb.
16374 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16375 * cfgloop.h: Remove the prototype for
16376 flow_loop_outside_edge_p.
16378 * emit-rtl.c (init_virtual_regs): Make it static.
16379 * function.h: Remove the prototype for init_virtual_regs.
16381 * recog.c (peephole2_optimize): Make it static.
16382 * recog.h: Remove the prototype for peephole2_optimize.
16384 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16386 * df-scan.c (df_record_entry_block_defs): Check if
16387 INCOMING_RETURN_ADDR_RTX is defined.
16389 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16390 Kenneth Zadeck <zadeck@naturalbridge.com>
16392 PR rtl-optimization/24762
16393 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16394 * targhooks.c (hook_void_bitmap): New hook prototype.
16395 * targhoohs.h (hook_void_bitmap): Ditto.
16396 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16397 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16398 * target.h (live_on_entry): New function pointer.
16399 * df-scan.c (df_all_hard_regs): Removed.
16400 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16401 (df_scan_free_internal): Added df->entry_block_defs.
16402 (df_scan_alloc): Ditto.
16403 (df_scan_dump): Ditto.
16404 (df_uses_record): Plumbed flag field properly thru calls.
16405 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16406 This part fixes PR24762.
16407 (df_bb_refs_record): Added code to make the frame and arg
16408 pointers live in EH blocks.
16409 (df_refs_record): Added call to df_record_entry_block_defs.
16410 (df_record_entry_block_defs): New function.
16411 * df-core.c: Added comments to describe new artifical defs.
16412 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16413 (entry_block_defs): New field in struct df.
16414 (df_all_hard_regs): Deleted.
16415 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16416 * df-problems.c (df_ru_bb_local_compute_process_def):
16417 Added code to handle artifical defs in the entry to a function.
16418 (df_ru_bb_local_compute): Ditto.
16419 (df_rd_bb_local_compute_process_def): Ditto.
16420 (df_rd_bb_local_compute): Ditto.
16421 (df_lr_bb_local_compute): Ditto.
16422 (df_ur_bb_local_compute): Ditto.
16423 (df_urec_bb_local_compute): Ditto.
16424 (df_chain_create_bb): Ditto.
16425 (df_ur_local_finalize): Removed entry.
16426 (df_urec_init): Ditto.
16427 (df_urec_local_finalize): Ditto.
16428 (df_ri_bb_compute): Added detection of last use of pseudos.
16429 * Makefile.in (df-scan.o): Updated dependencies.
16430 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16431 * config/mips/mips.c (mips_set_live_on_entry): Added.
16432 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16434 * dce.c (marked_insn_p): Added code to handle artifical defs.
16436 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16438 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16440 (_mm_cvtsi128_si64): Likewise.
16441 (_mm_cvtsd_si64): Likewise.
16442 (_mm_cvttsd_si64): Likewise.
16443 (_mm_cvtsi64_sd): Likewise.
16444 (_mm_cvtsi64_si128): Likewise.
16445 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16446 (_mm_cvtsi64_m64): Likewise.
16447 (_m_to_int64): Likewise.
16448 (_mm_cvtm64_si64): Likewise.
16449 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16450 (_mm_cvttss_si64): Likewise.
16451 (_mm_cvtsi64_ss): Likewise.
16452 (_mm_cvtss_f32): Likewise.
16454 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16456 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16457 for pragma redefine_extname.
16459 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16462 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16463 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16464 -mno-minimal-toc to previous content.
16465 (bispecs): Remove goal.
16466 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16467 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16468 compatibility aliases on powerpc-*-*gnu*.
16469 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16470 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16471 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16472 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16473 (ldblspecs): New goal.
16474 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16475 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16477 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16478 L_sf_to_tf or L_df_to_tf is defined.
16480 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16481 Alan Modra <amodra@bigpond.net.au>
16484 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16485 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16486 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16487 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16488 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16489 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16490 (rs6000_override_options): Initialize rs6000_ieeequad.
16491 Initialize TFmode format to ibm_extended_format if not
16493 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16495 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16496 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16497 (function_arg_advance): IBM long double passed in two FPRs, not
16499 (function_arg): IBM long double passed in FPRs.
16500 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16501 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16502 Only multireg GPR aligned.
16503 (rs6000_init_libfuncs): Enable IBM long double functions if not
16505 (rs6000_generate_compare): Use IBM long double compare if not
16507 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16508 (TARGET_IEEEQUAD): Define.
16509 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16510 not TARGET_IEEEQUAD.
16511 * config/rs6000/rs6000.md: Enable TFmode patterns if
16513 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16514 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16515 and -mlong-double-128 are incompatible.
16516 * doc/invoke.texi (-mabi): Collect options together. Add
16517 ibmlongdouble and ieeelongdouble.
16519 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16521 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16523 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16524 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16525 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16526 * rtl.h (rtunion_def): Remove rt_ptr.
16528 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16529 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16530 * config/i386/winnt.c (i386_pe_mark_dllexport)
16531 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16533 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16535 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16537 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16541 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16542 pthread_key_delete. From John David Anglin. gthrw-ify
16543 pthread_getunique_np only if it it's not a macro. Delete
16545 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16546 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16547 __gthread_objc_condition_signal, __gthread_key_delete): Add
16548 "__attribute__ ((__unused__))" to unused arguments.
16549 (__gthread_recursive_mutex_init_function): Add missing return.
16550 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16551 gthr-posix95.h: Use macro-based approach for name redirection
16552 on targets missing weakref.
16554 2006-01-26 Zack Weinberg <zackw@panix.com>
16556 * genconditions.c (write_header): In generated code, #ifdef out
16557 all includes and fake declarations, except includes of bconfig.h
16558 and system.h, unless GCC_VERSION >= 3001. Do not include
16559 gensupport.h in any case.
16560 (write_conditions): Generate a definition of struct c_test. Add
16561 a comment to the generated #endif.
16562 (write_one_condition): Escape backslashes in string too.
16563 (write_writer): Generated code must escape backslashes and quote
16564 marks (but not newlines) in the strings it writes.
16565 * Makefile.in (build/gencondmd.o): Update dependencies.
16567 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16570 * Makefile.in (insn-automata.o): Add header file dependencies.
16571 * genautomata.c: Add includes.
16573 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16576 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16578 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16580 * configure.ac: Expect target tools paths to be passed from the toplevel
16581 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16583 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16585 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16588 * c.opt (Wpointer-sign): Init to -1.
16589 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16590 OPT_pedantic, to 0 otherwise.
16591 * doc/invoke.texi: Update.
16593 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16595 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16596 constants provided by 80387 instructions in the destination mode.
16598 2006-01-26 Richard Guenther <rguenther@suse.de>
16599 Andrew Pinski <pinskia@physics.uc.edu>
16602 partial PR tree-opt/17064
16603 * tree-ssa-structalias.c (intra_create_variable_infos):
16604 Create heap variables for incoming parameters if
16605 flag_argument_noalias > 1.
16606 (find_what_p_points_to): Look through default defs of
16609 2006-01-26 Jeff Law <law@redhat.com>
16612 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16613 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16614 within the VR_RANGE, use the VR_RANGE as the result, not the
16616 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16617 bounds for the type.
16619 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16621 * tree-ssa-alias.c (maybe_create_global_var): Change
16622 subvar walking to an assertion that we don't have subvar'd variables.
16624 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16627 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16628 Use a new variable, inner. PARM_DECLs are always non-weak.
16630 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16632 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16633 --disable-checking.
16635 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16637 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16639 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16641 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16642 (smax_insn, smin_insn, smax_0, smin_0): New.
16644 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16647 * config/cris/cris.c (cris_order_for_addsi3): New function.
16648 * config/cris/cris-protos.h: Prototype it.
16649 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16650 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16651 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16652 (split for "op.S1 [rx=rx+i],ry (swapped)")
16653 (split for "op(s|u).S1 [rx=rx+i],ry")
16654 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16655 Apply cris_order_for_addsi3 when generating addsi3 insns.
16657 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16659 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16660 (TREE_BLOCK): Add call to EXPR_CHECK.
16662 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16665 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16666 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16667 (dump_omp_clauses): ... here.
16668 (dump_generic_node): Handle OMP_CLAUSE.
16669 * tree.c (omp_clause_num_ops): New.
16670 (omp_clause_code_name): New.
16671 (tree_code_size): Handle OMP_CLAUSE.
16672 (tree_size): Likewise.
16673 (make_node): Document handling of OMP_CLAUSE.
16674 (tree_node_structure): Handle OMP_CLAUSE.
16675 (omp_clause_check_failed): New.
16676 (omp_clause_range_check_failed): New.
16677 (omp_clause_operand_check_failed): New.
16678 (build_omp_clause): New.
16679 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16680 * tree.h (enum omp_clause_code): Declare.
16681 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16682 (OMP_CLAUSE_RANGE_CHECK): Define.
16683 (OMP_CLAUSE_ELT_CHECK): Define.
16684 (omp_clause_check_failed): Declare.
16685 (omp_clause_operand_check_failed): Declare.
16686 (omp_clause_range_check_failed): Declare.
16687 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16688 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16689 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16690 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16691 (OMP_CLAUSE_IF_EXPR): Likewise.
16692 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16693 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16694 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16695 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16696 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16697 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16698 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16699 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16700 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16701 (OMP_CLAUSE_CODE): Define.
16702 (OMP_CLAUSE_SET_CODE): Define.
16703 (OMP_CLAUSE_CODE): Define.
16704 (OMP_CLAUSE_OPERAND): Define.
16705 (struct tree_omp_clause): Declare.
16706 (union tree_node): Add field 'omp_clause'.
16707 * treestruct.def (TS_OMP_CLAUSE): Define.
16708 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16709 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16710 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16711 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16712 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16713 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16714 (OMP_CLAUSE): Define.
16715 * print-tree.c (print_node): Handle OMP_CLAUSE.
16716 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16717 * c-typeck.c: Likewise.
16718 * gimplify.c: Likewise.
16719 * c-omp.c: Likewise.
16720 * tree-nested.c: Likewise.
16721 * tree-inline.c: Likewise.
16722 * c-parser.c: Likewise.
16723 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16726 2006-01-25 Roger Sayle <roger@eyesopen.com>
16728 PR rtl-optimization/25703
16729 * combine.c (try_combine): Handle zero_extract and strict_low_part
16730 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16732 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16734 * global.c: Fix comment typos.
16736 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16739 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16740 Use output_addr_const instead of assemble_name.
16742 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16744 * Makefile.in (sched-vis.o): Update dependencies.
16745 * haifa-sched.c (sched_finish): Clear current_sched_info.
16746 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16747 (dump_flow_info): Call it.
16748 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16750 * basic-block.h (dump_bb_info): Declare.
16751 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16752 option, and apply options only for dump files whose TDF_RTL,
16753 TDF_TREE, or TDF_IPA bits match.
16754 * rtl.h: Declare new functions exported from sched-vis.c.
16755 * sched-vis.c: Enable also if scheduling is not used.
16756 (print_value): Print the mode of registers if not inside scheduling.
16757 (print_insn): Make it work outside the scheduler. Beautify the output
16759 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16761 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16763 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16764 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16765 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16766 depending on the value of CONSTANT_POOL_ADDRESS_P.
16767 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16769 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16770 rather than SYMBOL_REF_DECL.
16771 (rtx_constant_pool): Remove const_rtx_sym_htab.
16772 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16773 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16774 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16775 Remove handling of const_rtx_sym_htab.
16776 (find_pool_constant): Delete.
16777 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16778 rather than find_pool_constant.
16779 (get_pool_constant_for_function): Delete.
16780 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16781 find_pool_constant.
16782 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16783 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16784 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16785 (SYMBOL_REF_CONSTANT): New macro.
16786 (get_pool_constant_for_function): Delete.
16787 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16788 rather than SYMBOL_REF_DECL.
16789 (i386_pe_mark_dllimport): Likewise.
16790 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16791 rather than SYMBOL_REF_DECL.
16792 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16793 (machopic_indirect_call_target): Likewise.
16795 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16797 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16799 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16801 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16803 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16805 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16807 2006-01-24 David Daney <ddaney@avtrex.com>
16810 * configure.ac (enable_tls): New enable option.
16811 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16812 * configure: Regenerate.
16813 * doc/install.texi (--enable-tls): Document new option.
16814 (--disable-tls): Ditto.
16816 2006-01-24 Richard Henderson <rth@redehat.com>
16818 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16819 * alias.c (true_dependence): Respect it.
16820 (canon_true_dependence, write_dependence_p): Likewise.
16821 * builtins.c (get_builtin_sync_mem): Set it.
16823 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16825 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16828 2006-01-24 DJ Delorie <dj@redhat.com>
16830 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16831 for storing constants in single-bit bitfields.
16833 2006-01-25 Ben Elliston <bje@au.ibm.com>
16835 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16837 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16840 * tree-ssa-pre.c (phi_translate): Return NULL
16841 for AGGREGATE_TYPE's.
16843 2006-01-24 Zack Weinberg <zackw@panix.com>
16845 * genautomata.c (process_state_for_insn_equiv_partition):
16846 Use xcalloc for insn_arcs_array.
16847 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16848 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16850 2006-01-24 Richard Henderson <rth@redhat.com>
16852 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16853 update all callers.
16855 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16857 PR rtl-optimization/25890
16858 PR rtl-optimization/25905
16859 * combine.c (expand_compound_operation, expand_field_assignment):
16860 Fail if the bitfield's final position is out of bounds.
16862 2006-01-24 Ian Lance Taylor <ian@airs.com>
16864 PR middle-end/25930
16865 * cgraphunit.c (cgraph_output_in_order): Don't clear
16866 cgraph_asm_nodes until after asm strings have been output.
16868 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16870 * fix-header.c (read_scan_file): Add new parameter imultilib when
16871 calling register_include_chains.
16873 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16875 * omp-low.c: Update documentation.
16877 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16878 Daniel Berlin <dberlin@dberlin.org>
16882 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16883 return from the function.
16885 2006-01-22 Zack Weinberg <zackw@panix.com>
16887 * rtl.def (match_code): Add second argument.
16888 * genpreds.c (write_extract_subexp): New function.
16889 (write_match_code): Add path argument. Use write_extract_subexp.
16890 (write_predicate_expr): Pass path to write_match_code.
16891 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16892 not perform a mode test.
16893 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16894 a subexpression does not constrain the top-level code set.
16895 * read-rtl.c (read_rtx_variadic): New function.
16896 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16897 * doc/md.texi: Document new notation.
16898 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16899 (cmpsi_operand): ... here, using new notation.
16901 2006-01-22 Zack Weinberg <zackw@panix.com>
16903 * varray.c: Remove GENERATOR_FILE #ifdefs.
16905 2006-01-22 Zack Weinberg <zackw@panix.com>
16907 * genautomata.c (output_reserved_units_table): Emit nothing if
16908 description->query_units_num is zero. Remove extra blank line.
16909 (output_cpu_unit_reservation_p): Short circuit
16910 if description->query_units_num is zero.
16912 2006-01-22 Zack Weinberg <zackw@panix.com>
16914 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16915 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16916 nor any of the random handful of variables that used to be necessary
16917 when this program was linked with rtlanal.o. Prune set of forward
16918 function declarations.
16919 (struct attr_desc): Remove static_p field.
16920 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16921 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16922 (attr_string): Do not read the character one past the length of
16924 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16925 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16926 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16927 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16928 (make_automaton_attrs): New.
16929 (main): Do not call into genautomata. Call local gen_bypass
16930 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16931 Remove special case for insn_alts.
16932 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16933 varray.h (leftover from previous change). Prune set of forward
16934 function declarations. Remove state_alts fields from all
16935 structures. Remove state_alts_table from struct automaton.
16936 Make everything except main static. Do not maintain num_dfa_decls.
16937 Do not maintain state_alts fields of various structures.
16938 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16939 (add_arc): Remove state_alts argument. All callers updated.
16940 (output_reserved_units_table): Emit #ifdef here...
16941 (output_tables): ...not here. Don't generate state_alts tables.
16942 (expand_automata): Don't generate attributes.
16943 (write_automata): Don't generate state_alts functions.
16944 (main): New function.
16945 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16946 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16947 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16948 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16949 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16950 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16951 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16952 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16954 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16955 * genattrtab.h: Delete file.
16956 * Makefile.in (OBJS-common): Add insn-automata.o.
16957 (insn-automata.o): New rule.
16958 (simple_generated_c): Add insn-automata.c.
16959 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16960 (genprogmd): Add automata.
16961 (build/genattrtab): Needs no extra objects nor libraries.
16962 (build/genautomata): Needs build/vec.o and -lm.
16964 2006-01-22 Zack Weinberg <zackw@panix.com>
16966 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16967 (output_dfa_max_issue_rate, locked_states_num): Delete.
16968 (struct automaton): Add locked_states field.
16969 (output_dead_lock_vect): Save number of locked states in
16970 automaton->locked_states. If it is zero, don't print anything.
16971 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16972 (output_internal_dead_lock_func): Only test the dead_lock_vect
16973 for automata that have locked states.
16974 (output_statistics): Always print the number of locked states for
16975 each automaton. Calculate total number of locked states here.
16976 (write_automata): Don't call output_dfa_max_issue_rate.
16977 * genattrtab.c: Define length_unit_log as a const variable.
16978 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16979 max_insn_queue_index const.
16980 * final.c (length_unit_log): Declare const.
16981 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16983 2006-01-22 Zack Weinberg <zackw@panix.com>
16985 * genautomata.c: Include vec.h, not varray.h.
16986 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16987 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16988 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16989 VEC_* macros operating on appropriately typed vectors, or to
16990 malloced arrays when the size is known in advance. Const-ify
16991 many char* variables and function arguments. No functional changes.
16992 * Makefile.in (build/varray.o): Delete rule.
16993 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16994 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16996 2006-01-22 Zack Weinberg <zackw@panix.com>
16998 * gensupport.c: Define get_insn_name and record_insn_name here.
16999 (read_md_rtx): Call record_insn_name as appropriate.
17000 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17001 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17002 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17004 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17005 (BUILD_VARRAY): Delete.
17006 (genprognormal): Rename genprogmd. Fold in all programs from
17007 genprognoprint; also attrtab.
17008 (build/genattrtab): Just mention genautomata.o and varray.o.
17009 Reorganize a bit, add comments to make the categories clearer.
17011 2006-01-22 Zack Weinberg <zackw@panix.com>
17013 * genconditions.c (condition_table, add_condition): Delete.
17014 (write_conditions): Don't emit n_insn_conditions nor
17015 insn_elision_unavailable. Issue the gcc version #ifdef here,
17016 inside the table, with no #else clause ...
17017 (write_header): ...not here.
17018 (write_writer): New function.
17019 (main): Don't initialize condition_table. Use add_c_test.
17021 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17022 files on the command line.
17023 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17024 Return -1 if there is no entry in the table, don't abort.
17025 (add_c_test, traverse_c_tests): New functions.
17026 * gensupport.h (insn_elision_unavailable, insn_conditions)
17027 (n_insn_conditions): Delete declarations.
17028 (add_c_test, traverse_c_tests): Declare.
17029 * read-rtl.c: Include gensupport.h.
17030 (read_conditions): New function.
17031 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17032 (read_rtx_1): If we get EOF when we were looking for an initial
17033 open paren, return 0. Call read_conditions when appropriate.
17034 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17035 dummy-conditions.o. Eliminate references to insn-conditions.o,
17036 or change them to build/gencondmd.o, as appropriate. Remove
17037 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17038 from $(simple_generated_c). For all files remaining in those
17039 two lists, add insn-conditions.md to the generator command line.
17040 Give insn-constants.h/s-constants their own rules. Add rules
17041 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17042 (build/read-rtl.o): Depend on gensupport.h.
17043 (genprognormal): Include preds.
17044 (genprogearly): Rename genprognoprint; only difference is now that
17045 they don't link with $(BUILD_PRINT).
17046 * dummy-conditions.c: Delete.
17048 2006-01-22 Zack Weinberg <zackw@panix.com>
17050 * genextract.c: Don't include insn-config.h. Do include vec.h.
17051 Declare vectors of int, char, and locstr.
17052 (locstr): New typedef.
17053 (struct extraction): Make all array fields into bare pointers.
17054 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17055 (insn_code_number): Delete.
17056 (accum_extract): New struct.
17057 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17058 (gen_insn): Take insn_code_number as an argument. Use an
17059 accum_extract structure instead of loading data directly into
17060 a struct extraction, and having to know how big it might get.
17061 (walk_rtx): Operate entirely on an accum_extract structure.
17062 (print_path): Avoid unnecessary use of printf.
17063 (print_header): New function, split out of main. Distinguish
17064 more carefully between an unrecognizable insn and an insn that
17065 has the code number of a define_expand.
17066 (main): Pass insn_code_number to gen_insn. Call print_header
17067 only after parsing. Avoid unnecessary use of printf.
17068 * Makefile.in (build/vec.o): New rule.
17069 (build/genextract): Depend on build/vec.o.
17070 (build/genextract.o): Don't depend on insn-config.h.
17072 2006-01-22 Zack Weinberg <zackw@panix.com>
17074 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17075 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17076 practical. Eliminate per-generator-program link rules.
17078 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17080 PR middle-end/24437
17081 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17082 with a call expr to ...
17083 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17085 2006-01-23 Richard Guenther <rguenther@suse.de>
17087 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17088 before make_edge with conditional EDGE_TRUE_VALUE.
17090 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17091 Jan Hubicka <jh@suse.cz>
17092 Richard Guenther <rguenther@suse.de>
17094 PR rtl-optimization/25654
17095 * cfgexpand.c (aggregate_contains_union_type): New function.
17096 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17097 for structure variables that contain a union type.
17099 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17101 * gengtype.c (new_structure): Return the structure.
17102 (create_option): Add an extra "next" argument.
17103 (create_field): New function.
17104 (adjust_field_rtx_def): Use create_option and create_field.
17105 Remove a now-unnecessary call to find_structure.
17106 (adjust_field_tree_def): Likewise.
17107 (note_yacc_type): Remove an unnecessary call to find_structure.
17108 * gengtype.h (new_structure): Return the structure.
17109 (create_option): Add an extra argument.
17110 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17111 (option): Adjust calls to create_option.
17113 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17115 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17117 2006-01-22 Paul Brook <paul@codesourcery.com>
17118 Peter Barada <peter@the-baradas.com>
17120 * config/m68k/m68k.md: Add Coldfire FPU support.
17121 Define FP mode macro and associated attributes.
17122 Use it for float mode patterns.
17123 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17124 (LIBCALL_VALUE): Use m68k_libcall_value.
17125 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17126 (m68k_function_value): Ditto.
17127 (emit_move_sequence): Ditto.
17128 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17129 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17130 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17131 (MULTILIB_EXCEPTIONS): Ditto.
17132 * config/m68k/m68k.opt: Add mcfv4e.
17133 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17134 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17135 (m68k_output_function_prologue): Save ColdFire FPU registers.
17136 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17137 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17138 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17139 ColdFire FPU registers.
17140 (m68k_libcall_value, m68k_function_value): New functions.
17141 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17142 (LIBCALL_VALUE): Use m68k_libcall_value.
17143 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17144 (MASK_COLDFIRE): Add MASK_CFV4E.
17145 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17146 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17147 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17148 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17149 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17150 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17151 * doc/invoke.tex: Document -mcfv4e on m68k.
17153 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17155 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17158 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17161 * c-opts.c (c_common_handle_option): Don't include
17162 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17163 * doc/invoke.texi (C++ Dialect Options): Document that
17164 -Wnon-virtual-dtor is no longer included in -Wall.
17166 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17168 * gcov.c (print_version), gcov-dump.c (print_version),
17169 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17172 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17174 * df-scan.c (problem_SCAN): Added NULL reset function.
17175 (df_scan_reset_blocks): Added code to call reset block function
17176 (df_bb_refs_delete) Fixed comment.
17177 (df_insn_refs_delete): Made tolerant of deleting non existent info
17178 for dataflow problems that need to be reset.
17179 * df-core.c (df_set_blocks): Ditto.
17180 * df.h (struct df_problem): Added reset_fun.
17181 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17182 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17183 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17184 functions to clear out all references to def-use or use-def chains.
17186 2006-01-21 Ben Elliston <bje@au.ibm.com>
17188 * varasm.c (assemble_real): Initialise data array.
17190 2006-01-20 Paul Brook <paul@codesourcery.com>
17192 Merge from csl-arm-branch.
17193 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17194 * config/arm/arm.md (movdi): Force operands[1] to a register
17195 if we have a non-register source.
17196 (*arm_movdi, *movdf_soft_insn): Require that one of the
17197 operands be a register.
17198 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17199 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17201 2006-01-20 DJ Delorie <dj@redhat.com>
17203 * varasm.c (initializer_constant_valid_p): Allow pointers
17204 initialized from integer constants of lesser precision.
17205 (output_constant): Allow non-int-sized pointer modes to be
17206 initialized from integer constants.
17208 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17211 * cppdefault.h (struct default_include): Add multilib flag.
17212 * cppdefault.c (cpp_include_defaults): Set it.
17213 * c.opt (-imultilib): New option.
17214 * c-opts.c (imultilib): New.
17215 (c_common_handle_option): Handle -imultilib.
17216 (c_common_post_options): Likewise.
17217 * c-incpath.c (add_standard_paths, register_include_chains):
17219 * c-incpath.h (register_include_chains): Add extra parameter.
17220 * gcc.c (do_spec_1): Generate -imultilib option.
17221 (The Specs Language): Update %I description.
17222 (process_command): Update copyright notice.
17223 * doc/cppopts.texi (-imultilib): Document.
17224 * doc/invoke.texi (-imultilib): Include in option summary.
17225 (%I): Update specs documentation.
17227 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17229 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17231 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17233 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17236 2006-01-20 Richard Guenther <rguenther@suse.de>
17237 Steven Bosscher <stevenb.gcc@gmail.com>
17239 PR rtl-optimization/24626
17240 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17241 EDGE_TRUE_VALUE if in RTL mode.
17244 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17245 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17247 2006-01-20 Dirk Mueller <dmueller@suse.com>
17250 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17251 instead of a special NOP marker.
17252 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17253 NOP marker handling.
17254 * c-common.h (empty_body_warning): Add forward declaration.
17255 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17256 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17258 2006-01-20 Paul Brook <paul@codesourcery.com>
17260 * Makefile.in (lang_checks): Keep going if mkdir fails.
17262 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17264 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17265 be able to clean out basic block when not necessary.
17266 (df_scan_free): Fixed to properly delete information if df is
17267 unused before calling df_finish.
17268 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17269 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17271 (df_bb_refs_delete): New function.
17272 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17273 * df-core.c (df_set_blocks): Added code to properly clean out
17274 unused blocks if they are not part of the blocks to consider.
17275 Added additional null check.
17276 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17277 be able to clean out basic block when not necessary
17278 * df.h (df_free_bb_function): Ditto.
17279 (df_bb_refs_delete): New function.
17280 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17281 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17282 basic block parameter to be able to clean out basic block when not
17284 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17285 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17286 Fixed to properly delete information if df is unused before
17289 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17291 PR rtl-optimization/25799
17292 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17293 Corrected confluence operator to remove bits from op2 before oring
17294 with op1 rather than removing bits from op1.
17295 (df_ru_transfer_function): Corrected test on wrong bitmap which
17296 caused infinite loop. Both of these problems were introduced in
17297 the dataflow rewrite.
17299 2006-01-19 DJ Delorie <dj@redhat.com>
17301 * reload1.c (find_reload_regs): Note the details of reload
17302 failures in the dump file.
17303 (spill_failure): Likewise.
17305 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17307 * loop-iv.c: Include df.h and hashtab.h.
17308 (enum iv_grd_result): New enum.
17309 (DF_REF_IV, DF_REF_IV_SET): New macros.
17310 (struct biv_entry): New.
17311 (df, bivs): New global variables.
17312 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17313 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17315 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17316 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17317 analyzed_for_bivness_p, record_biv): New functions.
17318 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17319 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17320 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17322 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17324 (iv_number_of_iterations): Use new interface to iv analysis.
17325 * loop-unroll.c: Do not include varray.h.
17326 (analyze_iv_to_split_insn): Use new interface to iv
17328 * loop-unswitch.c (may_unswitch_on): Ditto.
17329 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17331 (df_bb_modify): Realloc tables to the new index.
17332 (df_find_use): New function.
17333 * df.h (df_find_use): Declare.
17334 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17336 * cfgloop.h (struct rtx_iv): Remove analysed field.
17337 (iv_get_reaching_def): Removed.
17338 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17339 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17340 (loop-iv.o): Add df.h and hashtab.h dependency.
17341 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17343 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17346 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17348 (__floatundisf, __floatundidf): Likewise.
17349 * libgcc2.h (IS_IBM_EXTENDED): Define.
17351 2006-01-19 DJ Delorie <dj@redhat.com>
17353 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17355 2006-01-19 Paul Brook <paul@codesourcery.com>
17357 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17358 as nothrow when unwinding tables are disabled.
17360 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17363 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17364 of bit-field" when in system header.
17366 2006-01-19 DJ Delorie <dj@redhat.com>
17368 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17369 the 16 bit shift limit of the m16c.
17371 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17374 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17375 * config/i386/i386.c (output_set_got): Output the label if we have one
17376 for the TARGET_DEEP_BRANCH_PREDICTION case.
17378 2006-01-19 Jan Hubicka <jh@suse.cz>
17379 H.J. Lu <hongjiu.lu@intel.com>
17380 Evandro Menezes <evandro.menezes@amd.com>
17382 * invoke.texi (generic): Document
17384 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17385 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17386 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17387 (x86_use_incdec, x86_pad_returns): New variables
17388 (TARGET_CPU_DEFAULT_generic): New constant
17389 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17390 (enum processor_type): Add generic32 and generic64.
17391 * i386.md (cpu attribute): Add generic32/generic64
17392 (movhi splitter): Behave sanely when both partial_reg_dependency and
17393 partial_reg_stall are set.
17394 (K8 splitters): Enable for generic as well.
17395 * predicates.md (incdec_operand): Use TARGET_INCDEC
17396 (aligned_operand): Avoid memory mismatch stalls.
17397 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17398 * ppro.md: Enable for generic32
17399 * i386.c (generic64_cost, generic32_cost): New.
17400 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17401 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17402 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17403 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17404 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17405 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17406 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17407 x86_accumulate_outgoing_args, x86_prologue_using_move,
17408 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17409 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17410 Enable for generic.
17411 (x86_use_incdec, x86_pad_returns): New.
17412 (override_options): Add generic32 and generic64, translate "generic"
17413 to generic32/generic64 and "i686" to "generic32", refuse
17414 "generic32"/"generic64" as arch target.
17415 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17416 (ix86_reorg): Honor PAD_RETURNS.
17418 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17420 * tree-pretty-print.c (dump_generic_node): Handle
17421 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17422 * cgraph.c (cgraph_expand_queue): Rename from
17423 cgraph_analyze_queue. Update all users.
17424 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17425 cgraph_expand_queue.
17426 (cgraph_expand_all_functions): Likewise.
17427 (cgraph_finalize_pending_functions): Remove. Update callers.
17429 * tree.h (OMP_DIRECTIVE_P): Define.
17430 (OMP_PARALLEL_FN): Define.
17431 (OMP_PARALLEL_DATA_ARG): Define.
17432 (OMP_SECTIONS_SECTIONS): Define.
17433 * tree-pass.h (pass_expand_omp): Declare.
17434 * omp-low.c (struct omp_region): Declare.
17435 (struct omp_context): Remove fields 'parallel_type',
17436 'parallel_start_ix' and 'parallel_start_additional_args'.
17438 (struct omp_for_data): Rename from struct expand_omp_for_data.
17439 (omp_regions): New static variable.
17440 (root_omp_region): New static variable.
17441 (find_omp_clause): Make static.
17442 (is_in_combined_parallel_ctx): Remove.
17443 (is_combined_parallel): New.
17444 (extract_omp_for_data): Move earlier in the file.
17445 (workshare_safe_to_combine_p): New.
17446 (get_ws_args_for): New.
17447 (determine_parallel_type): Move earlier in the file.
17448 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17450 (omp_copy_decl): Likewise.
17451 (create_omp_child_function): Likewise.
17452 (lookup_omp_region): New.
17453 (dump_omp_region): New.
17454 (debug_omp_region): New.
17455 (debug_all_omp_regions): New.
17456 (new_omp_region): New.
17457 (scan_omp_parallel): If parallel_nesting_level > 1, the
17458 directive is nested within another parallel directive.
17459 Set OMP_PARALLEL_FN.
17460 (scan_omp_for): Do not try to handle combined parallel+for
17462 Remove FIXME comment.
17463 (scan_omp_nested): Remove.
17464 (scan_omp_1): Do not call scan_omp_nested when
17465 parallel_nesting_level is > 1.
17466 Do not change the DECL_CONTEXT of local variables found.
17467 (lookup_decl_in_outer_ctx): New.
17468 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17469 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17470 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17471 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17472 If CTX is nested, lookup VAR in the outer context when
17473 building copy assignment.
17474 (lower_send_clauses): Rename from expand_send_clauses.
17475 If CTX is nested, lookup VAR in the outer context when
17476 building copy assignments.
17477 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17478 If CTX is nested, lookup VAR in the outer context when
17479 building copy assignments.
17480 (expand_parallel_call): Rename from build_parallel_call.
17481 Handle combined parallel+workshare cases.
17482 Re-implement to emit code into the CFG.
17484 (expand_omp_parallel): Re-implement to emit code into the CFG.
17485 Call move_sese_region_to_fn to outline the sub-graph
17486 containing the parallel region.
17487 (expand_omp_for_1): Remove.
17488 (expand_omp_for_generic): Re-implement to emit code into the
17490 (expand_omp_for_static_nochunk): Likewise.
17491 (expand_omp_for_static_chunk): Likewise.
17492 (expand_omp_for): Likewise.
17493 (expand_omp_sections): Likewise.
17494 (remove_exit_barriers): New.
17495 (expand_omp_synch): New.
17497 (build_omp_regions_1): New.
17498 (build_omp_regions): New.
17499 (execute_expand_omp): New.
17500 (gate_expand_omp): New.
17501 (pass_expand_omp): Define.
17502 (lower_omp_sections): Rename from expand_omp_sections.
17503 Set OMP_SECTIONS_SECTIONS.
17504 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17505 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17506 (lower_omp_single): Rename from expand_omp_simple.
17507 (lower_omp_master): Rename from expand_omp_master.
17508 (lower_omp_ordered): Rename from expand_omp_ordered.
17509 (lower_omp_critical): Rename from expand_omp_critical.
17510 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17511 (lower_omp_for): Re-implement.
17512 (lower_omp_parallel): Re-implement.
17513 (lower_regimplify): Rename from expand_regimplify.
17514 (lower_omp_1): Rename from expand_omp_1.
17515 If there are syntax errors in the program, replace every
17516 OpenMP directive with NOP.
17517 Call lower_omp_* instead of expand_omp_*.
17518 (lower_omp): Rename from expand_omp.
17520 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17521 * tree-gimple.h (enum omp_parallel_type): Remove.
17522 (gimple_boolify): Declare extern.
17523 (find_omp_clause, determine_parallel_type): Remove.
17525 * gimple-low.c (lower_omp_directive): New.
17526 (lower_stmt): Call it.
17527 (record_vars_into): Move from ...
17528 (record_vars): ... here.
17529 Call record_vars_into with current_function_decl.
17531 * gimplify.c (struct gimplify_ctx): Remove fields
17532 combined_pre_p and combined_ctxp. Update users.
17533 (get_formal_tmp_var): Add documentation.
17534 (gimple_boolify): Make extern.
17535 (gimplify_expr_in_ctx): Remove. Update callers.
17536 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17537 will always be a BIND_EXPR.
17538 (gimplify_expr): Handle OMP_RETURN_EXPR.
17539 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17540 (OMP_PARALLEL): Add 3 operands.
17541 (OMP_SECTIONS): Add 1 operand.
17542 (OMP_RETURN_EXPR): Define.
17544 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17545 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17546 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17547 creating a circular free list.
17548 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17550 * tree-flow.h (move_sese_region_to_fn): Declare.
17551 (record_vars_into): Declare.
17552 * tree-cfg.c (make_omp_sections_edges): New.
17553 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17554 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17555 OMP_SECTIONS and OMP_SECTION.
17556 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17557 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17558 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17559 (gather_blocks_in_sese_region): New.
17560 (struct move_stmt_d): Declare.
17561 (move_stmt_r): New.
17562 (move_block_to_fn): New.
17563 (move_sese_region_to_fn): New.
17565 * passes.c (init_optimization_passes): Schedule
17566 pass_expand_omp after pass_init_datastructures.
17568 * tree-ssa-operands.c (get_expr_operands): Handle
17569 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17570 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17572 2006-01-19 Jeff Law <law@redhat.com>
17574 * tree-vrp.c (extract_range_from_assert): Refine the result range
17575 if the variable referenced by the ASSERT_EXPR has a range and
17576 either the tentative result range or the previous range is a
17579 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17581 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17583 2006-01-19 Jan Hubicka <jh@suse.cz>
17585 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17587 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17589 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17590 (expand_compound_operation, expand_field_assignment): Fail if the
17591 bit lengths of an extract operation are out of range.
17592 (make_extraction): Compute wanted_inner_mode based on the position
17593 and length of the extraction. Make it extraction_mode for non-constant
17594 positions, and do not modify offset in that case. When generating a
17595 new MEM, use a mode that can hold the extraction while keeping correct
17596 alignment. Remove code that supported MEMs wrapped by USEs.
17597 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17599 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17601 * config/s390/s390.md ("Y", "y"): New mode attribute.
17602 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17603 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17604 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17605 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17606 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17607 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17608 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17609 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17610 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17611 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17612 "addsi3", "subsi3"): Insn patterns removed.
17613 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17614 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17615 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17616 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17617 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17618 "*sub<mode>3_cconly2"): New insn patterns.
17619 ("addsi3", "subsi3"): New expanders.
17621 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17623 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17624 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17625 existing STMT_VINFO_VECTYPE if available.
17626 (vect_mark_relevant): Add special handling for stmts that are
17627 marked as STMT_VINFO_IN_PATTERN_P.
17628 (vect_analyze_loop): Call vect_pattern_recog.
17629 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17630 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17632 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17633 (vect_recog_func_ptr): New function-pointer type.
17634 * tree-vect-patterns.c: New file.
17635 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17636 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17637 (vect_pattern_recog_1): New functions.
17638 (vect_pattern_recog_funcs): New array of function pointers.
17640 * tree-vectorizer.h (ternary_op): New enum value.
17641 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17642 declaration. Revised documentation. Removed redundant dump prints.
17643 Removed redundant argument. Added support for reduction patterns.
17644 (vectorizable_reduction): Added support for reduction patterns.
17645 (vect_transform_stmt): Added support for patterns.
17647 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17648 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17649 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17650 (expand_widen_pattern_expr): New function.
17651 (init_optabs): Initialize new optabs udot_prod_optab,
17653 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17654 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17655 (expand_widen_pattern_expr): New function declaration.
17656 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17658 * tree-inline.c (estimate_num_insns_1): Added cases for new
17659 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17660 * tree-pretty-print.c (dump_generic_node): Likewise.
17661 (op_prio): Likewise.
17662 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17663 * tree-ssa-operands.c (get_expr_operands): Added case for
17665 * tree-vect-patterns.c (widened_name_p): New function.
17666 (vect_recog_dot_prod_pattern): Added function implementation.
17667 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17668 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17669 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17670 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17672 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17673 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17674 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17675 (init_optabs): Initialize new optabs widen_ssum_optab,
17677 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17678 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17679 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17680 use instead of type of def.
17681 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17682 function implementation.
17683 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17684 widen_ssumv8hi): New.
17686 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17689 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17692 * c-decl.c (add_flexible_array_elts_to_size): New function.
17693 (finish_decl): Use it.
17695 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17697 * diagnostic.h: Include options.h.
17698 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17699 dependancies for diagnostic.h.
17700 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17702 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17704 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17705 (ssa_ro_call_cache_valid): Ditto.
17706 * tree-ssa-alias.c (sort_tags_by_id): New function.
17707 (init_transitive_clobber_worklist): Ditto.
17708 (add_to_worklist): Ditto.
17709 (mark_aliases_call_clobbered): Ditto.
17710 (compute_tag_properties): Ditto.
17711 (set_initial_properties): Ditto.
17712 (compute_call_clobbered): Ditto.
17713 (compute_may_aliases): Call compute_call_clobbered and grouping.
17714 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17715 (compute_flow_insensitive_aliasing): Grouping now happens in our
17717 (setup_pointers_and_addressables): Remove clobbering related code.
17718 (add_may_alias): Ditto.
17719 (replace_may_alias): Ditto.
17720 (get_nmt_for): Ditto.
17721 (create_global_var):
17722 (is_escape_site): Return an escape_type enumeration.
17723 * tree-flow-inline.h (is_call_clobbered): Global var does not
17724 imply call clobbered.
17725 (mark_call_clobbered): Take a reason for marking this. Remove
17726 marking of globalness, and cache invalidation.
17727 (clear_call_clobbered): Remove cache invalidation code.
17728 * tree-dfa.c (dump_variable): If details is on, dump the reason
17730 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17732 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17733 (struct var_ann_d): Ditto.
17734 (enum escape_type): New.
17735 (mark_call_clobbered): Adjust prototype.
17736 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17737 are never call clobbered.
17738 Record reasons for escaping.
17739 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17740 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17741 (ssa_ro_call_cache_valid): Ditto.
17742 (clobbered_v_may_defs): Ditto.
17743 (clobbered_vuses): Ditto.
17744 (ro_call_vuses): Ditto.
17745 (clobber_stats): New.
17746 (init_ssa_operands): Zero out clobber stats.
17747 (fini_ssa_operands): Print out clobber stats.
17748 (get_call_expr_operands): Pass callee fndecl to
17749 add_call_read_ops).
17750 (add_call_clobber_ops): Remove use of cache.
17751 Add use of PURE_CONST information.
17752 (add_call_read_ops): Remove use of cache.
17753 Add use of static not_read information.
17755 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17757 Introduce TLS descriptors for i386 and x86_64.
17758 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17759 (TARGET_ANY_GNU_TLS): New macro.
17760 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17761 (struct machine_function): Add tls_descriptor_call_expanded_p.
17762 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17763 (ix86_current_function_calls_tls_descriptor): Likewise.
17764 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17765 (override_options): Introduce gnu2 tls dialect.
17766 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17768 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17770 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17771 (ix86_init_machine_status): Initialize new field.
17772 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17773 (ix86_tls_module_base): New.
17774 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17775 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17776 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17777 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17778 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17779 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17780 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17781 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17782 * config/i386/predicates.md (tls_modbase_operand): New.
17783 (tp_or_register_operand): New.
17785 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17787 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17788 (look_for_address_of): Ditto.
17789 (ipa_init): Walk the function decls.
17790 (static_execute): Don't set readonly on FUNCTION_DECL's.
17792 2006-01-18 Roger Sayle <roger@eyesopen.com>
17794 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17795 for shifts where the source and destination registers are different.
17797 2006-01-18 Paul Brook <paul@codesourcery.com>
17799 Merge from csl-arm-branch.
17800 2005-03-14 Julian Brown <julian@codesourcery.com>
17801 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17802 (aeabi_llsl): Likewise.
17803 (ashrdi3): Likewise.
17804 (aeabi_lasr): Likewise.
17805 (lshrdi3): Likewise.
17806 (aeabi_llsr): Likewise.
17807 2005-03-10 Julian Brown <julian@codesourcery.com>
17808 * config.gcc: Disable shared libgcc for SymbianOS.
17809 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17811 2006-01-18 DJ Delorie <dj@redhat.com>
17813 * c-pragma.c (handle_pragma_diagnostic): New.
17814 (init_pragma): Register it.
17815 * doc/extend.texi: Document it.
17817 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17818 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17819 (diagnostic_context): Add classify_diagnostic[].
17820 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17821 as errors if they're overridden to DK_WARNING.
17822 (diagnostic_initialize): Initialize classify_diagnostic[].
17823 (diagnostic_set_kind_override): New.
17824 (diagnostic_report_diagnostic): Check for kind changes.
17825 * opts.c (common_handle_option): Take lang_mask. Update callers.
17826 Handle OPT_Werror_.
17827 * common.opt (Werror=): New.
17828 * doc/invoke.texi: Document -Werror=*
17830 2006-01-18 Jeff Law <law@redhat.com>
17832 * tree-vrp.c (test_for_singularity): Correct test for new
17833 min limit. Use operand_equal_p rather than pointer equality
17834 for testing if new min/max values are equal.
17836 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17837 using range information until after propagation and folding.
17839 2006-01-18 Richard Henderson <rth@redhat.com>
17840 Aldy Hernandez <aldyh@redhat.com>
17841 Jakub Jelinek <jakub@redhat.com>
17842 Diego Novillo <dnovillo@redhat.com>
17844 * omp-low.c: New file.
17845 * c-omp.c: New file.
17847 2006-01-18 Richard Henderson <rth@redhat.com>
17848 Jakub Jelinek <jakub@redhat.com>
17849 Diego Novillo <dnovillo@redhat.com>
17851 * doc/invoke.texi: Document -fopenmp.
17852 * tree-dump.h (debug_function): Declare.
17853 * hooks.c (hook_bool_tree_bool_false): New function.
17854 (hook_tree_tree_null): Remove.
17855 (hook_tree_tree_tree_null): New.
17856 * hooks.h: Update to match.
17857 * tree-pretty-print.c (debug_tree_chain): New.
17858 (print_generic_expr): Handle TDF_CHAIN.
17859 (dump_generic_node): Handle BLOCK.
17860 Do not abort with incomplete SWITCH_EXPRs.
17861 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17862 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17863 print space after directive name.
17864 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17865 Handle OMP_MASTER and OMP_ORDERED.
17866 Handle printing of OMP_BODY just in one place, goto
17867 dump_omp_body in the rest of OMP_* nodes that have
17869 Don't handle clause nodes here. Update omp statements to
17870 use dump_omp_clauses.
17871 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17872 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17873 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17874 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17875 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17876 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17877 Adjust output for GOMP_PARALLEL.
17878 (dump_omp_clauses): New.
17879 (print_declaration): Dump DECL_VALUE_EXPR.
17880 (op_symbol_1): Split out of op_symbol.
17881 (dumping_stmts): Remove. Update all users.
17882 * cgraph.c (cgraph_analyze_queue): New.
17883 (cgraph_add_new_function): New.
17884 * cgraph.h (cgraph_analyze_queue): Declare.
17885 (cgraph_add_new_function): Declare.
17886 (cgraph_lower_function): Remove.
17887 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17888 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17889 and TYPE_P nodes in its default clause.
17890 (empty_body_p): New.
17891 (tree_range_check_failed): New.
17892 (build5_stat): New.
17893 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17894 OMP_CLAUSE_REDUCTION_MERGE,
17895 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17896 OMP_CLAUSE_PRIVATE_DEBUG,
17897 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17898 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17899 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17900 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17901 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17902 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17903 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17904 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17905 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17906 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17907 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17908 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17909 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17910 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17911 (TREE_RANGE_CHECK): New.
17912 (empty_body_p): Declare.
17913 (enum omp_clause_default_kind): New.
17914 (build_string_literal): Declare.
17915 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17916 (build5_stat, build5): Declare.
17917 * tree-pass.h (TDF_CHAIN): Define.
17918 * tree-pass.h (PROP_gimple_lomp): Define.
17919 (pass_lower_omp): Declare.
17920 * diagnostic.h (debug_tree_chain): Declare.
17921 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17923 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17924 * builtins.c (build_string_literal): Make extern.
17925 * gcc.c (include_spec_function): New.
17926 (static_spec_functions): Add it.
17927 (main): Move load of libgomp.spec ...
17928 (LINK_COMMAND_SPEC): ... here.
17929 (link_gomp_spec): New.
17930 (static_specs): Include it.
17931 (LINK_COMMAND_SPEC): Add link_gomp.
17932 (GOMP_SELF_SPECS): New.
17933 (driver_self_specs): Include it.
17934 (switch_matches): Don't mark inline.
17935 (main): Load libgomp.spec.
17936 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17937 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17938 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17939 * tree-gimple.h (enum omp_parallel): Declare.
17940 (determine_parallel_type): Declare.
17941 (omp_firstprivatize_variable): Declare.
17942 (omp_reduction_init): Declare.
17943 (diagnose_omp_structured_block_errors): Declare.
17944 (struct walk_stmt_info): Add want_return_expr.
17945 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17946 (find_omp_clause): Declare.
17947 (insert_field_into_struct): Declare.
17948 (struct walk_stmt_info): Move from tree-nested.c
17949 (walk_stmts): Declare.
17950 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17952 * cgraphunit.c (cgraph_lower_function): Make static.
17953 (cgraph_finalize_pending_functions): New.
17954 (cgraph_finalize_function): Call it.
17955 (cgraph_finalize_compilation_unit): Likewise.
17956 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17957 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17958 (BT_FN_UINT_UINT): New.
17959 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17960 DEF_FUNCTION_TYPE_VAR_4): Document.
17961 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17962 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17963 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17964 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17965 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17966 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17967 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17968 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17969 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17970 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17971 into separate files.
17972 (DEF_GOMP_BUILTIN): New.
17973 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17974 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17975 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17976 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17977 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17978 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17979 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17980 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17981 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17982 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17983 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17984 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17985 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17986 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17987 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17988 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17989 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17990 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17991 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17992 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17993 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17994 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17995 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17996 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17997 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17998 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17999 * sync-builtins.def: New file, moved from builtins.def.
18000 * omp-builtins.def: New file, moved from builtins.def.
18001 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18002 * gimple-low.c (lower_function_body): Clear data.
18003 (lower_stmt): Do not handle COMPOUND_EXPR.
18004 Remove call to print_node_brief.
18005 * c-tree.h (c_finish_omp_clauses): New prototype.
18006 (C_DECL_THREADPRIVATE_P): Define.
18007 (lookup_name_no_remap, c_omp_remap_private): Remove
18008 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18009 (check_for_loop_decls): Update decl.
18010 (lookup_name_no_remap, c_omp_remap_private): Declare.
18011 (build_indirect_ref, build_modify_expr, pushdecl,
18012 pushdecl_top_level): Move to c-common.h.
18013 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18014 before the switch, but just in the 2 places that need it.
18015 * c-decl.c (diagnose_mismatched_decls): Do not check for
18016 mismatched thread-local attributes when OLDDECL is marked
18017 threadprivate and NEWDECL has no thread-local attributes.
18018 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18019 (c_gimple_diagnostics_recursively): Rename from
18020 c_warn_unused_result_recursively. Invoke
18021 diagnose_omp_structured_block_errors.
18022 (check_for_loop_decls): Return a singular decl found.
18023 * langhooks.c (lhd_omp_predetermined_sharing): Return
18024 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18025 (lhd_omp_firstprivatize_type_sizes): New.
18026 (lhd_omp_assignment): New.
18027 (lhd_omp_predetermined_sharing): New.
18028 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18029 (struct lang_hooks_for_types): Add
18030 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18031 omp_predetermined_sharing, omp_disregard_value_expr,
18032 omp_private_debug_clause, omp_clause_default_ctor,
18033 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18034 (c_finish_omp_clauses): New.
18035 (c_finish_bc_stmt): Diagnose break within omp for.
18036 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18037 (build_unary_op): Return error_mark after reporting
18039 (build_modify_expr): Likewise.
18040 * gimplify.c: Include optabs.h and pointer-set.h.
18041 (enum gimplify_omp_var_data): Declare.
18042 (struct gimplify_omp_ctx): Declare.
18043 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18045 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18046 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18047 (splay_tree_compare_decl_uid): New.
18048 (new_omp_context): New.
18049 (delete_omp_context): New.
18050 (gimple_add_tmp_var): Call omp_add_variable.
18051 (gimplify_bind_expr): Likewise.
18052 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18053 true, disregard DECL_VALUE_EXPR on the decl if any.
18054 (gimplify_expr_in_ctx): New.
18055 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18056 omp_add_variable, omp_notice_variable, omp_is_private
18057 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18058 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18059 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18060 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18061 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18062 gimplify_omp_atomic): New.
18063 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18064 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18065 OMP_CRITICAL and OMP_ATOMIC.
18066 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18067 * c-pragma.h (enum pragma_kind): Add
18068 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18069 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18070 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18071 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18072 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18073 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18074 PRAGMA_OMP_THREADPRIVATE.
18075 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18076 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18077 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18078 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18079 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18080 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18081 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18082 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18083 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18084 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18085 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18086 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18087 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18089 (struct nesting_info): Add field_map,
18090 suppress_expansion, debug_var_chain.
18091 (create_nesting_tree): Initialize them.
18092 (lookup_field_for_decl): Use field_map.
18093 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18094 (convert_local_omp_clauses): New.
18095 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18096 (walk_body): Split out of walk_function.
18097 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18098 (convert_nonlocal_reference): Handle omp statements.
18099 (convert_local_reference): Likewise.
18100 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18101 (unnest_nesting_tree): New.
18102 (lower_nested_functions): Call it.
18103 (insert_field_into_struct): Make extern.
18104 (struct walk_stmt_info): Move to tree-gimple.h.
18105 (walk_stmts): Make extern.
18106 * omp-builtins.def: New file.
18107 * tree-iterator.c (expr_only): Clarify comment.
18108 * c-common.h (pushdecl_top_level, pushdecl,
18109 build_modify_expr, build_indirect_ref,
18110 c_finish_omp_master, c_finish_omp_critical,
18111 c_finish_omp_ordered, c_finish_omp_barrier,
18112 c_finish_omp_atomic, c_finish_omp_flush,
18113 c_finish_omp_for, c_split_parallel_clauses,
18114 omp_clause_default_kind, c_omp_sharing_predetermined,
18115 c_omp_remap_decl): Declare.
18116 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18117 (OBJS-common): Add omp-low.o.
18118 (c-omp.o, omp-low.o): Add.
18119 (gimplify.o): Add dependency on $(OPTABS_H).
18120 (GTFILES): Add omp-low.c.
18121 (gt-stringpool.h): Add.
18122 * tree-cfg.c (set_bb_for_stmt): Do not update the
18123 block-to-labels map if we are currently expanding to RTL.
18124 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18126 Handle IDENTIFIER_NODE.
18127 (tree_verify_flow_info): Do not ICE when emitting error
18128 messages about invalid labels.
18129 (dump_function_to_file): Reset CFUN before emitting the body
18131 (debug_function): New.
18132 * passes.c (init_optimization_passes): Schedule
18134 * langhooks-def.h (lhd_omp_predetermined_sharing,
18135 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18137 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18138 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18139 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18140 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18141 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18142 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18143 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18144 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18145 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18146 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18147 (LANG_HOOK_DECLS): Use them.
18149 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18150 Richard Henderson <rth@redhat.com>
18151 Jakub Jelinek <jakub@redhat.com>
18152 Diego Novillo <dnovillo@redhat.com>
18154 * c-parser.c (pragma_omp_clause): Define.
18155 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18156 (c_parser_compound_statement): Likewise.
18157 (c_parser_statement): Likewise.
18158 (c_parser_pragma): Handle omp pragmas.
18159 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18160 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18161 (c_parser_omp_clause_name, check_no_duplicate_clause,
18162 c_parser_omp_variable_list,
18163 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18164 c_parser_omp_clause_copyprivate,
18165 c_parser_omp_clause_default,
18166 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18167 c_parser_omp_clause_lastprivate,
18168 c_parser_omp_clause_nowait,
18169 c_parser_omp_clause_num_threads,
18170 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18171 c_parser_omp_clause_reduction,
18172 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18173 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18174 c_parser_omp_atomic, c_parser_omp_barrier,
18175 c_parser_omp_critical, c_parser_omp_flush,
18176 c_parser_omp_for_loop, c_parser_omp_for,
18177 c_parser_omp_master, c_parser_omp_ordered,
18178 c_parser_omp_sections_scope, c_parser_omp_sections,
18179 c_parser_omp_parallel, c_parser_omp_single,
18180 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18181 * c-pragma.c (init_pragma): Do omp pragma registration here.
18182 * c.opt (fopenmp): New flag.
18184 2006-01-18 Eric Christopher <echristo@apple.com>
18186 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18187 * config/darwin.h (GOMP_SELF_SPECS): Define.
18189 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18191 * rtl.h: Remove the prototype for reg_alloc.
18193 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18196 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18197 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18198 sjlj and dwarf2 exception handling.
18199 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18200 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18201 * pa/pa.c (function_value): Treat complex and vector types as
18203 (function_arg): Likewise. Only pass scalar floats in the floating
18204 point argument registers.
18205 * pa/t-slibgcc-dwarf-ver: New file.
18206 * pa/t-slibgcc-sjlj-ver: New file.
18207 * pa/t-slibgcc-elf-ver: Delete file.
18209 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18211 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18212 unlikely_test_section_p test.
18214 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18216 * mode-switching.c (optimize_mode_switching): Make it static.
18217 * basic-block.h: Remove the prototype for
18218 optimize_mode_switching.
18220 * modulo-sched.c (sms_schedule): Make it static.
18221 * rtl.h: Remove the prototype for sms_schedule.
18223 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18224 * rtl.h: Remove the prototype for gcse_after_reload_main.
18226 * reg-stack.c (reg_to_stack): Make it static.
18227 * rtl.h: Remove the prototype for reg_to_stack.
18229 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18231 * rtl.h: Remove the prototypes for regrename_optimize and
18232 copyprop_hardreg_forward.
18234 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18236 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18237 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18238 Test against the appropriate null constant for the mode.
18239 If 'fixup_overlap' is true, swap the operands if they overlap.
18240 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18241 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18242 alpha_split_tmode_pair and adjust for above change.
18243 * config/alpha/alpha.md (movtf_internal): Adjust call to
18244 alpha_split_tfmode_pair and rely on it to swap the operands.
18245 (movti_internal): New insn and post-reload splitter.
18246 (movti): New expander.
18248 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18250 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18253 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18255 * rtlanal.c (global_reg_mentioned_p_1,
18256 global_reg_mentioned_p): Remove.
18257 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18259 * flow.c (initialize_uninitialized_subregs): Make it static.
18260 * rtl.h: Remove the prototype for
18261 initialize_uninitialized_subregs.
18263 * function.c (instantiate_virtual_regs): Make it static.
18264 * function.h: Remove the prototype for
18265 instantiate_virtual_regs.
18267 * regmove.c (regmove_optimize, combine_stack_adjustments):
18269 * rtl.h: Remove the prototypes for regmove_optimize and
18270 combine_stack_adjustments.
18272 2006-01-17 Roger Sayle <roger@eyesopen.com>
18274 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18275 (size_cost): Encode costs in bytes so that a reg-reg addition is
18276 equivalent to COSTS_N_INSNS(1).
18277 (override_options): Use the size_cost.branch_cost as the default
18278 ix86_branch_cost when optimizing for size.
18280 2006-01-18 Ben Elliston <bje@au.ibm.com>
18282 * Makefile.in (D32PBIT_FUNCS): New.
18283 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18284 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18285 D64PBIT_FUNCS and D128PBIT_FUNCS.
18286 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18287 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18289 (decnumber_dep): Define.
18290 * doc/libgcc.texi (Decimal float library routines): New node.
18291 * config/dfp-bit.h, config/dfp-bit.c: New files.
18293 2006-01-18 Ben Elliston <bje@au.ibm.com>
18295 * expr.c (emit_move_change_mode): Always adjust addresses, not
18296 just during reload. Copy replacements only during reload.
18297 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18298 emit_move_via_integer.
18300 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18302 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18303 instead of $(srcdir) and ${srcdir}.
18305 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18308 PR middle-end/11135
18309 * arm.h (struct machine_function): Add pic_reg.
18310 * arm.c (arm_pic_register): Make unsigned.
18311 (arm_override_options): Only set arm_pic_register if
18312 TARGET_SINGLE_PIC_BASE.
18313 (use_return_insn): Only test for a pic register if it is fixed.
18314 (arm_compute_save_reg0_reg12_mask): Likewise.
18315 (thumb_compute_save_reg_mask): Likewise.
18316 (legitimate_pic_operand): Factor out some known invariants.
18317 (legitimize_pic_address): If we don't have a fixed pic register,
18318 then set up a pseudo in the function entry sequence. Handle the
18319 pic base being in a pseudo.
18320 (arm_load_pic_register): Handle the pic register being in a pseudo.
18321 (arm_expand_prologue): Only set up the pic register if it is fixed.
18322 (thumb_expand_prologue): Likewise.
18323 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18324 (pic_load_addr_based_insn): Likewise.
18325 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18328 2006-01-18 Ben Elliston <bje@au.ibm.com>
18330 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18331 decimal float modes for all floating point registers.
18333 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18334 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18336 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18339 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18340 even when the pointer is not NULL.
18342 2006-01-16 Ian Lance Taylor <ian@airs.com>
18344 * common.opt (ftoplevel-reorder): New option.
18345 * cgraph.c (cgraph_asm_nodes): New global variable.
18346 (cgraph_asm_last_node): New static variable.
18347 (cgraph_order): New global variable.
18348 (cgraph_create_node): Set new order field.
18349 (cgraph_varpool_node): Likewise.
18350 (decide_is_variable_needed): Return true if not
18351 flag_toplevel_reorder.
18352 (cgraph_add_asm_node): New function.
18353 * cgraph.h (struct cgraph_node): Add order field.
18354 (struct cgraph_varpool_node): Add order field.
18355 (struct cgraph_asm_node): Define.
18356 (cgraph_asm_nodes, cgraph_order): Declare.
18357 (cgraph_add_asm_node): Declare.
18358 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18360 (cgraph_varpool_assemble_pending_decls): Call it.
18361 (cgraph_output_pending_asms): New static function.
18362 (cgraph_finalize_compilation_unit): Call it.
18363 (struct cgraph_order_sort): Define.
18364 (cgraph_output_in_order): New static function.
18365 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18366 !flag_toplevel_reorder case.
18367 * c-parser.c: Include "cgraph.h".
18368 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18370 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18371 than -fno-unit-at-a-time.
18372 * doc/invoke.texi (Option Summary): Mention
18373 -fno-toplevel-reorder.
18374 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18375 -funit-at-a-time documentation.
18377 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18378 Kazu Hirata <kazu@codesourcery.com>
18380 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18382 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18384 * Makefile.in (FUNCTION_H): New. Use it instead of
18385 function.h throughout the file.
18386 * function.h: Include tree.h.
18388 2006-01-17 Ben Elliston <bje@au.ibm.com>
18390 * recog.c: Separate some functions with whitespace.
18392 2006-01-16 Richard Henderson <rth@redhat.com>
18394 Merge from gomp branch:
18395 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18396 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18397 and rename from struct inline_data. Rename callee* to dst*;
18398 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18399 transform_new_cfg, transform_return_to_modify, and
18400 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18402 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18403 (copy_decl_for_dup): Remove.
18404 * tree-inline.c (struct inline_data): Move to header.
18405 (insert_decl_map): Export.
18406 (remap_decl): Update for member name changes. Use copy_decl hook.
18407 Allow for replacement to be a non-decl. Remove dead code.
18408 (remap_type_1): Check for existing mapping.
18409 (remap_type): Export.
18410 (remap_decls): Update for member name changes.
18411 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18412 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18413 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18414 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18415 (tree_function_versioning, build_duplicate_type): Likewise.
18416 (copy_body_r): Likewise. Export.
18417 (copy_decl_for_dup): Split into ...
18418 (copy_decl_for_dup_finish, copy_decl_to_var,
18419 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18420 (replace_ref_tree, inlining_p): Remove.
18422 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18424 * ifcvt.c (if_convert): Make it static.
18425 * rtl.h: Remove the prototype for if_convert.
18427 * local-alloc.c (local_alloc): Make it static.
18428 * rtl.h: Remove the prototype for local_alloc.
18430 * loop.c (loop_optimize): Make it static.
18431 * cfgloop.h: Remove the prototype for loop_optimize.
18434 2006-01-16 DJ Delorie <dj@redhat.com>
18436 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18439 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18441 * pa.md: Disparage copies between general and floating-point registers
18442 in 32-bit move patterns.
18444 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18447 * Makefile.in (check-%): Depend on site.exp instead of
18448 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18451 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18453 * global.c (global_alloc): Make it static.
18454 * rtl.h: Remove the prototype for global_alloc.
18456 2006-01-16 Richard Guenther <rguenther@suse.de>
18458 * tree-ssa-alias.c (struct used_part): Add write_only field.
18459 (get_or_create_used_part_for): Initialize it to true.
18460 (create_overlap_variables_for): Don't create structure variables
18461 for structures that only are written to.
18462 (find_used_portions): Handle MODIFY_EXPR to track whether a
18463 structure is only written to.
18465 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18467 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18469 * basic-block.h: Remove the prototype for
18470 partition_hot_cold_basic_blocks.
18472 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18474 * cppspec.c (lang_specific_spec_functions): Remove.
18475 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18476 * gcc.h (lang_specific_spec_functions): Remove.
18477 * gccspec.c (lang_specific_spec_functions): Remove.
18479 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18481 * combine.c (record_value_for_reg): Invalidate registers
18483 (record_dead_and_set_regs_1): Likewise, by passing them to
18484 record_value_for_reg.
18485 (record_dead_and_set_regs): Invalidate stores made by a
18486 call. We do not combine across a call, but we still
18487 relied on equivalences.
18489 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18491 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18492 vrp_int_const_binop returning non-constant nodes.
18494 2006-01-16 Paul Brook <paul@codesourcery.com>
18496 * config/m68k/m68k.c (output_move_const_into_data_reg):
18497 Output correct mnemonic for mvz and mvs.
18499 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18501 * rtl-factoring.c: Add sequence abstraction algorithm.
18502 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18503 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18505 (block_has_preserve_label): New function.
18506 * common.opt: Register new pass.
18507 * Makefile.in: Ditto.
18509 * timevar.def: Ditto.
18510 * tree-pass.h: Ditto.
18511 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18512 * rtl.h (make_jump_insn_raw): Add forward decl.
18513 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18515 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18516 Roger Sayle <roger@eyesopen.com>
18518 * fold-const.c (fold_minmax): New static function.
18519 (fold_binary) <MIN_EXPR>: Call it.
18520 <MAX_EXPR>: Likewise.
18521 * stor-layout.c (place_field): Use DECL_SIZE consistently
18522 in the computation of the new record size.
18524 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18526 * cse.c (cse_condition_code_reg): Make it static.
18527 * rtl.h: Remove the prototype for cse_condition_code_reg.
18529 * combine.c (combine_instructions): Make it static.
18530 * rtl.h: Remove the prototype for combine_instructions.
18532 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18535 * tree.c (get_file_function_name_long): Concatenate the first global
18536 object name with a string derived from the input filename of the object
18539 2006-01-16 Ben Elliston <bje@au.ibm.com>
18541 * config/i386/winnt-stubs.c: Update FSF address.
18542 * config/xtensa/ieee754-df.S: Ditto.
18543 * config/xtensa/ieee754-sf.S: Ditto.
18545 2006-01-14 Ian Lance Taylor <ian@airs.com>
18547 * ifcvt.c (noce_init_if_info): New static function, broken out of
18548 noce_process_if_block.
18549 (noce_process_if_block): Call noce_init_if_info.
18550 (check_cond_move_block): New static function.
18551 (cond_move_process_if_block): New static function.
18552 (process_if_block): Call cond_move_process_if_block.
18554 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18556 * cselib.c (hash_table): Rename to cselib_hash_table.
18557 (cselib_clear_table, discard_useless_values,
18558 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18559 cselib_init, cselib_finish): Adjust uses of hash_table.
18561 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18563 PR tree-optimization/25485
18564 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18565 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18566 is known to be false and true, respectively.
18568 2006-01-14 Richard Guenther <rguenther@suse.de>
18570 PR tree-optimization/22548
18571 PR tree-optimization/22555
18572 PR tree-optimization/22501
18573 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18574 * params.def (salias-max-array-elements): New parameter.
18575 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18576 * doc/invoke.texi (salias-max-array-elements): Document.
18577 * tree-flow-inline.h (var_can_have_subvars): We also handle
18579 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18581 * tree-ssa-structalias.c (params.h): Include.
18582 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18583 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18584 (get_constraint_for): For ADDR_EXPR operating on something
18585 containing an ARRAY_REF, add all subvars to the solution.
18586 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18587 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18588 for creating MUST_DEFs.
18589 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18591 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18593 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18595 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18596 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18597 number_of_iterations_le): New functions.
18598 (number_of_iterations_special): Removed.
18599 (number_of_iterations_exit): Do not use number_of_iterations_special.
18600 * tree.c (unsigned_type_for): Always return integer type.
18602 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18603 Richard Guenther <rguenther@suse.de>
18605 PR rtl-optimization/24257
18606 * gcse.c (find_moveable_store): Only consider a store movable
18607 when the SET_SRC of the insn can be assigned to a register.
18609 2006-01-14 Ian Lance Taylor <ian@airs.com>
18611 * tree.c (tree_not_class_check_failed): New function.
18612 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18613 (tree_not_class_check_failed): Declare.
18615 2006-01-13 Ian Lance Taylor <ian@airs.com>
18617 * reload1.c (do_output_reload): Add assertion rejecting a
18620 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18622 * combine.c (struct reg_stat): Add new fields truncation_label and
18624 (record_value_for_reg): Reset truncated_to_mode.
18625 (record_truncated_value): New function.
18626 (check_promoted_subreg): Call it. Rename to check_conversions.
18627 (combine_instructions): Rename check_promoted_subreg to
18629 (reg_truncated_to_mode): New function.
18630 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18631 (gen_lowpart_or_truncate): New function.
18632 (force_to_mode): Use it instead of gen_lowpart.
18634 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18636 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18637 VAR is a tag, not its type tag.
18639 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18641 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18642 alternatives to match style of other entries.
18643 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18645 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18647 PR tree-optimization/25771
18648 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18651 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18654 * tree-inline.c (declare_return_variable): If the return variable
18655 was marked as a non gimple complex, set the return slot variable
18656 to be a non gimple comple variable.
18658 2006-01-13 Richard Guenther <rguenther@suse.de>
18660 * builtins.c (expand_builtin_sincos): New function.
18661 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18663 (expand_builtin): Expand sincos using expand_builtin_sincos.
18665 2006-01-12 DJ Delorie <dj@redhat.com>
18667 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18668 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18669 so that constant shifts can be split.
18670 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18671 (m32c_valid_pointer_mode): Make static.
18672 (shift_gen_func_for): New.
18673 (m32c_prepare_shift): Use it. Split large const shifts into
18675 * config/m32c/predicates.md (shiftcount_operand): Allow more
18677 (longshiftcount_operand): New.
18678 * doc/md.texi (Machine Constraints): Document In6.
18680 2006-01-13 Ben Elliston <bje@au.ibm.com>
18682 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18683 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18686 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18688 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18689 to try to avoid clobbering pieces of structures when we know
18690 something about the whole structure.
18691 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18693 2006-01-13 Ben Elliston <bje@au.ibm.com>
18695 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18696 return in memory, as this is no limitation is no longer present.
18698 2006-01-12 DJ Delorie <dj@redhat.com>
18700 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18701 mova with fb, and for fb+0 -> An.
18703 * config/m32c/mov.md (peephole2): Fix enabling logic.
18705 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18706 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18707 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18708 FINI_ARRAY_SECTION_ASM_OP): Define.
18710 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18712 (m32c_legitimize_reload_address): New logic to reload FB to An.
18713 (m32c_output_reg_push): Add newline.
18714 (m32c_output_reg_pop): Likewise.
18716 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18718 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18720 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18722 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18724 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18726 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18729 2006-01-11 Ben Elliston <bje@au.ibm.com>
18731 * rtlanal.c (find_reg_note): Assert insn is not null.
18733 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18735 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18738 2006-01-11 Jeff Law <law@redhat.com>
18740 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18742 (mark_threaded_blocks, register_jump_thread): New functions.
18743 (thread_through_all_blocks): Remove unwanted argument. No
18744 longer rely on e->aux to communicate thread target info.
18745 Call mark_threaded_blocks. Release the threaded_blocks
18746 bitmap and threaded_edges vector when complete.
18747 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18748 (threaded_blocks): Remove.
18749 (tree_ssa_dominator_optimize): Remove initialization and
18750 finalization of threaded_blocks. Simplify call to
18751 thread_through_all_blocks.
18752 (thread_across_edge): Call register_jump_thread rather than
18753 storing thread information into e->aux.
18754 (free_all_edge_infos): Simplify now that e->aux is no longer
18755 used to communicate with thread_through_all_blocks.
18756 * tree-flow.h (thread_through_all_blocks): Update prototype.
18757 (register_jump_thread): Prototype.
18759 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18761 * df-core.c (df_compact_blocks, df_bb_replace): Use
18762 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18764 2006-01-11 Richard Guenther <rguenther@suse.de>
18766 PR tree-optimization/25734
18767 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18768 stop propagation after successful propagation to the LHS.
18770 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18772 * basic-block.h (control_flow_graph): Change the type of
18773 x_basic_block_info to VEC(basic_block,gc) *.
18774 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18776 (SET_BASIC_BLOCK): New.
18777 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18778 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18779 * cfgbuild.c (find_basic_blocks): Likewise.
18780 * cfglayout.c (fixup_reorder_chain): Likewise.
18781 * cfgrtl.c (create_basic_block_structure,
18782 rtl_create_basic_block): Likewise.
18783 * ifcvt.c (find_if_case_1): Likewise.
18784 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18787 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18789 * Makefile.in: Removed rotted odf.c entry.
18791 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18794 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18795 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18796 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18797 output pattern modifier, not %e.
18798 * config/cris/cris.c (cris_op_str): Update comment about pattern
18800 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18801 before falling through into...
18802 <case 'E'>: Redefined from old 'e' case.
18804 2006-01-11 Jan Hubicka <jh@suse.cz>
18807 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18809 2006-01-11 Jan Hubicka <jh@suse.cz>
18811 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18812 * i386.c (x86_decompose_lea): Kill.
18813 (ix86_rtx_costs): Kill.
18815 2006-01-11 Jan Hubicka <jh@suse.cz>
18817 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18818 * cgraph.h (cgraph_node): Add inline_decl.
18819 (cgraph_insert_node_to_hashtable): Declare.
18820 (save_inline_function_body): Declare.
18821 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18823 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18824 (cgraph_function_versioning): Update call of tree_function_versioning.
18825 (save_inline_function_body): New function.
18826 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18827 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18828 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18829 (cgraph_default_inline_p): Likewise.
18830 (cgraph_decide_inlining_incrementally): Likewise.
18831 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18832 (copy_bb): Kill saving; do updating of clones.
18833 (copy_cfg_body): Kill saving.
18834 (initialize_inlined-parameters): Likewise.
18835 (expand_call_inline): Likewise.
18837 (tree_function_versioning): New parameter "update_clones".
18838 (inlining_p): Kill saving.
18839 * tree-inline.h (tree_function_versioning): Update prototype.
18840 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18843 2006-01-11 Ian Lance Taylor <ian@airs.com>
18845 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18846 Allow undoing set of machine mode.
18847 (do_SUBST): Use enums instead of is_int.
18848 (do_SUBST_MODE): New function.
18849 (SUBST_MODE): New macro.
18850 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18851 reg and trying to replace reg_regno_rtx with a new register.
18852 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18853 (simplify_set): Use SUBST_MODE.
18854 (distribute_notes): Remove code that tried to update reg notes
18855 for regno_reg_rtx changes.
18857 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18859 PR tree-optimization/23109
18860 PR tree-optimization/23948
18861 PR tree-optimization/24123
18863 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18864 * tree-cfg.c (single_noncomplex_succ): New.
18865 * tree-flow.h (single_noncomplex_succ): Declare it.
18866 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18867 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18868 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18869 insert_bb, register_division_in, insert_reciprocals,
18870 replace_reciprocal, free_bb): New.
18871 (execute_cse_reciprocals_1): Rewritten.
18872 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18873 Do not commit any edge insertion. Always compute dominators and
18874 create the allocation pool.
18875 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18876 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18877 * targhooks.c (default_min_divistions_for_recip_mul): New.
18878 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18879 * passes.c (init_optimization_passes): Run recip after tree loop
18881 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18883 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18884 Kenneth Zadeck <zadeck@naturalbridge.com>
18886 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18887 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18888 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18889 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18890 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18891 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18892 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18893 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18894 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18895 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18896 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18897 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18898 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18899 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18900 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18901 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18902 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18903 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18904 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18905 DF_SCAN_POST_ALLOC): New macros.
18906 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18907 df_free_bb_function, df_local_compute_function, df_init_function,
18908 df_dataflow_function, df_confluence_function_0,
18909 df_confluence_function_n, df_transfer_function,
18910 df_finalizer_function, df_free_function, df_dump_problem_function,
18911 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18912 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18913 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18914 df_urec_bb_info, ) New types.
18915 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18917 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18918 df_analyze_simple_change_some_blocks,
18919 df_analyze_simple_change_one_block, df_compact_blocks,
18920 df_bb_replace, df_bb_regno_last_use_find,
18921 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18922 df_insn_regno_def_p, df_find_def, df_find_use,
18923 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18924 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18925 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18926 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18927 debug_df_chain, df_get_dependent_problem, df_chain_create,
18928 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18929 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18930 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18931 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18932 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18933 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18934 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18935 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18936 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18937 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18938 df_reorganize_refs, df_set_state, df_hard_reg_init,
18939 df_read_modify_subreg_p) New public functions.
18940 * df-core.c: The core dataflow solver and glue routines for rtl
18942 (df_init, df_add_problem, df_set_blocks, df_finish,
18943 df_hybrid_search_forward, df_hybrid_search_backward,
18944 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18945 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18946 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18947 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18948 df_reg_defined, df_find_use, df_reg_used, df_dump,
18949 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18950 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18951 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18952 debug_df_useno, reset_df_after_reload): New functions.
18953 * df-scan.c: The scanning fuctions, once in df.c, completely
18954 rewritten so that they now fully model the functionality of
18955 register usage at the backend.
18956 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18957 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18958 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18959 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18960 df_get_artificial_defs, df_get_artificial_uses,
18961 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18962 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18963 df_refs_delete, df_reorganize_refs, df_set_state,
18964 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18965 df_def_record_1, df_defs_record, df_uses_record,
18966 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18967 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18968 df_record_exit_block_uses, df_hard_reg_init): New functions.
18970 * df-problems.c: Seven concrete dataflow problems that use the
18971 scanning in df-scan.c and are solved by the engine in df-core.c.
18972 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18973 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18974 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18975 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18976 df_ru_free_bb_info, df_ru_alloc,
18977 df_ru_bb_local_compute_process_def,
18978 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18979 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18980 df_ru_transfer_function, df_ru_free, df_ru_dump,
18981 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18982 df_rd_free_bb_info, df_rd_alloc,
18983 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18984 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18985 df_rd_transfer_function, df_rd_free, df_rd_dump,
18986 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18987 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18988 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18989 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18990 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18991 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18992 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18993 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18994 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18995 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18996 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18997 df_urec_mark_reg_use_for_earlyclobber,
18998 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18999 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19000 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19001 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19002 df_chain_create_bb_process_use, df_chain_create_bb,
19003 df_chain_finalize, df_chain_free, df_chains_dump,
19004 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19005 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19006 df_reg_lifetime): New functions.
19007 * df.c: Deleted file.
19008 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19009 consistent with new df api.
19010 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19011 rest_of_handle_sms): Ditto.
19012 * web.c (unionfind_union, union_defs, entry_register, web_main):
19014 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19015 invariant_expr_equal_p, find_defs, check_dependencies,
19016 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19017 free_inv_motion_data, move_loop_invariants): Ditto.
19018 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19019 Update dependencies.
19020 (odf.c): Added defective entry that was deleted later in day.
19021 * sched-deps.c (sched_analyze_1): Ditto.
19023 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19025 * tree-ssa-operands.c (get_expr_operands): Record addressable
19026 variables directly. Do not call add_stmt_operands for CONST_DECLs
19028 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19029 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19031 2006-01-11 Ben Elliston <bje@au.ibm.com>
19033 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19034 function returns true in the positive case.
19036 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19039 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19040 for SI, DI, SF and DF modes. Add alternatives to copy between
19041 general and floating point registers to the 32-bit patterns.
19042 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19043 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19044 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19045 generating 64-bit code.
19046 * config/pa/pa.c (output_move_double): Handle copies between general
19047 and floating registers.
19049 2006-01-10 Stuart Hastings <stuart@apple.com>
19051 * config/i386/i386.md (set_got): Update.
19052 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19053 (builtin_setjmp_receiver): Mach-O support.
19054 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19055 (GOT_SYMBOL_NAME): Define.
19056 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19057 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19058 * config/i386/i386.c (override_options): Revise for Darwin.
19059 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19060 support. (darwin_x86_file_end): New. (output_set_got): Add label
19061 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19062 * config/i386/i386-protos.h (output_set_got): Likewise.
19063 * config/darwin.c (machopic_legitimize_pic_address): Update
19066 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19068 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19069 when MODE isn't BLKmode.
19071 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19073 PR rtl-optimization/25367
19074 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19076 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19079 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19080 for a negative bound.
19082 2006-01-10 Richard Guenther <rguenther@suse.de>
19084 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19085 Never override with anything constraint.
19087 2006-01-10 Jan Beulich <jbeulich@novell.com>
19089 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19090 256 bits when optimize_size.
19092 2006-01-10 Jan Beulich <jbeulich@novell.com>
19094 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19096 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19097 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19100 2006-01-10 Ben Elliston <bje@au.ibm.com>
19102 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19104 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19105 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19106 (USE_FP_FOR_ARG): Reject decimal float modes.
19107 (function_arg_advance): Likewise.
19108 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19109 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19110 point types in AltiVec vectors.
19111 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19112 (rs6000_libcall_value): Likewise.
19114 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19116 * config/xtensa/ieee754-df.S: New file.
19117 * config/xtensa/ieee754-sf.S: New file.
19118 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19119 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19120 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19122 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19124 * config/sh/predicates.md (binary_float_operator,
19125 binary_logical_operator, commutative_float_operator,
19126 equality_comparison_operator, greater_comparison_operator,
19127 less_comparison_operator, logical_operator,
19128 noncommutative_float_operator, shift_operator,
19129 symbol_ref_operand, unary_float_operator): Remove redundant
19132 2006-01-09 Jeff Law <law@redhat.com>
19134 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19135 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19136 now unused arguments. Callers updated.
19137 (eliminate_redundant_computations): Remove now unused arguments,
19139 (local_fold): Remove, no longer used.
19140 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19142 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19143 (simplify_cond): New function.
19144 (forward_propagate_into_cond): Call simplify_cond.
19146 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19148 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19149 (*vec_extractv2di_1_sse): New.
19151 2006-01-09 Ben Elliston <bje@au.ibm.com>
19153 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19155 2006-01-08 Richard Guenther <rguenther@suse.de>
19157 * tree-ssa-structalias.c (get_constraint_for): Remove
19158 anyoffset argument.
19159 (get_constraint_for_component_ref): Likewise.
19160 (do_deref): Likewise.
19161 (get_constraint_for): Likewise.
19162 (do_structure_copy): Likewise.
19163 (handle_ptr_arith): Likewise.
19164 (find_func_aliases): Likewise. Remove unused need_anyoffset
19167 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19168 Kaz Kojima <kkojima@gcc.gnu.org>
19170 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19171 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19172 (EXTRA_CONSTRAINT_C16): Remove.
19173 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19174 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19175 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19176 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19177 constants of SHmedia. Handle nested constant expressions of
19179 (andcosts): Fix the costs for SHmedia constants.
19180 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19181 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19182 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19183 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19184 (movv4hi_i, movv2si_i): Likewise.
19185 (movsi_const): Adjust the second operand of ior so to match with
19186 the Csu constraint.
19187 (movdi_const, movdi_const_32bit): Likewise.
19188 (movdi_const_16bit+1): Don't sign-extend LOW.
19189 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19191 (*double_shori): Fix the split condition. Use GEN_INT instead
19192 of get_int_mode calls. Mask lower 16-bit of the argument of
19194 (sym2GOTPLT): Remove.
19195 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19197 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19198 instead of EXTRA_CONSTRAINT_C16.
19200 2006-01-07 Ian Lance Taylor <ian@airs.com>
19201 David Edelsohn <edelsohn@gnu.org>
19203 PR rtl-optimization/25662
19204 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19205 for constant operands instead of simplify_gen_binary.
19206 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19207 after trying simplify_binary_operation
19209 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19211 * tree.c (iterative_hash_expr): Hash decls based on UID.
19213 2006-01-06 Eric Christopher <echristo@apple.com>
19215 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19216 (TARGET_UNWIND_EMIT): Fix spelling.
19217 * target.h (gcc_target): Add except_table_label.
19218 * except.c (output_function_exception_table): Use.
19219 * varasm.c (default_emit_except_table_label): New.
19220 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19222 (asm_out): Add here.
19223 * output.h (default_emit_except_table_label): Prototype.
19224 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19225 * config/darwin.c (darwin_emit_except_table_label): Define.
19226 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19228 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19230 PR tree-optimization/18527
19231 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19232 number_of_iterations_special, number_of_iterations_exit):
19233 Move base and step of an iv to a single structure. Add
19234 no_overflow flag, and use it in # of iterations analysis.
19235 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19236 folded_casts argument.
19237 (simple_iv): Pass base and step in a structure. Set no_overflow
19239 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19240 Evaluate expensiveness of computing # of iterations instead of
19241 the final expression.
19242 * tree-scalar-evolution.h (affine_iv): New structure.
19243 (simple_iv): Declaration changed.
19244 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19245 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19246 find_givs_in_stmt): Changed due to simple_iv change.
19248 2006-01-06 Jeff Law <law@redhat.com>
19251 * tree-cfg.c (bsi_replace): Rename final argument from
19252 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19253 change (stmt -> orig_stmt).
19254 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19255 (bsi_remove): Add new argument. Remove EH information
19257 (verify_eh_throw_table_statements): New function.
19258 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19260 * tree-optimize.c (execute_free_cfg_annotations): Verify
19261 the EH throw statement table after removing annotations.
19262 * except.h (verify_eh_throw_table_statements): Prototype.
19263 * tree-flow.h (bsi_remove): Update prototype.
19264 * tree-vrp.c (remove_range_assertions): Add new argument to
19266 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19267 * tree-complex.c (expand_complex_div_wide): Likewise.
19268 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19269 * tree-tailcall.c (eliminate_tailcall): Likewise.
19270 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19271 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19272 * tree-nrv.c (tree_nrv): Likewise.
19273 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19274 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19275 (combine_blocks): Likewise.
19276 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19277 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19278 (cleanup_control_flow): Likewise.
19279 (remove_forwarder_block): Likewise.
19280 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19281 * tree-sra.c (sra_replace): Likewise.
19282 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19283 (forward_propagate_single_use_vars): Likewise.
19284 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19285 * tree-inline.c (expand_call_inline): Likewise.
19286 * tree-vect-transform.c (vect_transform_loop): Likewise.
19287 * tree-outof-ssa.c (rewrite_trees): Likewise.
19288 * tree-cfg.c (make_goto_expr_edges): Likewise.
19289 (cleanup_dead_labels): Likewise.
19290 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19291 (bsi_move_before, bsi_move_after): Likewise.
19292 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19293 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19295 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19298 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19300 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19301 on non gimple variables. Also add checks at the top for decls and
19303 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19305 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19306 and IMAGPART_EXPR for creating MUST_DEFs.
19307 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19308 and NAME_MEMORY_TAG separately from the DECLs.
19310 2006-01-06 Richard Guenther <rguenther@suse.de>
19312 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19313 annotation, if necessary.
19314 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19315 redundant calls to update_stmt.
19316 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19319 2006-01-05 Richard Henderson <rth@redhat.com>
19321 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19323 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19325 * c-typeck.c: Update copyright date.
19327 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19329 * c-typeck.c (build_c_cast): Always warn when casting
19330 from a pointer to an integer of different size, even if
19331 the node was constant.
19333 2006-01-05 Richard Guenther <rguenther@suse.de>
19335 PR tree-optimization/22555
19336 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19337 if one structure field is an array.
19338 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19339 operands even if we found a subvar, but ignore VOPs in this
19341 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19343 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19345 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19347 PR middle-end/24998
19348 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19350 2006-01-05 Richard Guenther <rguenther@suse.de>
19351 Diego Novillo <dnovillo@redhat.com>
19353 * tree-pass.h (TODO_remove_unused_locals): Define.
19354 * gimple-low.c (expand_var_p, remove_useless_vars,
19355 pass_remove_useless_vars): Remove. Update all users.
19356 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19357 (remove_unused_locals): New function.
19358 * tree-flow.h (remove_unused_locals): Declare.
19359 * passes.c (execute_todo): Call remove_unused_locals if
19360 TODO_remove_unused_locals is set.
19361 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19362 * tree-ssa-dce.c (pass_dce): Likewise.
19363 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19365 2006-01-05 Richard Guenther <rguenther@suse.de>
19367 * tree-flow.h (struct fieldoff): Decompose field to
19368 type, size and decl.
19369 * tree-ssa-alias.c (create_sft): Take type as parameter.
19370 (create_overlap_variables_for): Store type, size and decl
19371 in the fieldoff structure.
19372 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19373 of struct fieldoff.
19374 (push_fields_onto_fieldstack): Likewise.
19375 (create_variable_info_for): Likewise. Use offset for the
19376 SFT name if the decl is not available.
19378 2006-01-04 Paul Brook <paul@codesourcery.com>
19380 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19382 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19384 * lambda-code.c (can_put_in_inner_loop): Relax
19386 (can_put_after_inner_loop): New function.
19387 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19388 (perfect_nestify): Change to make copies and modify uses.
19390 2006-01-04 Richard Henderson <rth@redhat.com>
19392 Merge from gomp branch:
19393 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19394 via integer constant.
19395 (pragma_lex): Remove.
19396 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19397 rather than parsing it.
19398 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19399 handle_pragma_extern_prefix): Add %< %> quotes.
19400 (registered_pragmas): New.
19401 (c_register_pragma_1): New.
19402 (c_register_pragma): Use it.
19403 (c_register_pragma_with_expansion): Likewise.
19404 (c_invoke_pragma_handler): New.
19405 (init_pragma): Use cpp_register_deferred_pragma directly for
19407 * c-pragma.h (enum pragma_kind): New.
19408 (pragma_handler): New.
19409 (c_invoke_pragma_handler): Declare.
19410 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19412 * c-common.h (c_common_pch_pragma): Update decl.
19413 * Makefile.in (c-parser.o): Update dependencies.
19414 (GTFILES): Add c-pragma.h.
19415 * c-parser.c (struct c_token): Add pragma_kind.
19416 (struct c_parser): Add in_pragma.
19417 (c_lex_one_token): Always initialize keyword and pragma_kind.
19418 Extract data for CPP_PRAGMA.
19419 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19420 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19421 Don't allow CPP_PRAGMA_EOL if in_pragma.
19422 (c_parser_consume_pragma): New.
19423 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19424 (c_parser_skip_to_end_of_parameter): Likewise.
19425 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19426 (c_parser_skip_to_pragma_eol): New.
19427 (c_parser_external_declaration): Handle CPP_PRAGMA.
19428 (c_parser_compound_statement_nostart): Likewise.
19429 (c_parser_statement_after_labels): Likewise.
19430 (c_parser_pragma): New.
19431 (pragma_lex): Likewise.
19432 (c_parser_pragma_pch_preprocess): New.
19433 (c_parser_new): Merge into ...
19434 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19436 2006-01-04 Jeff Law <law@redhat.com>
19439 * tree-cfg.c (bsi_replace): Remove the original statement
19440 from the EH throw statement table.
19442 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19444 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19445 make the prototype extern "C" and add throw ().
19448 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19449 and pos non-negative and pos + len <= 32.
19450 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19451 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19452 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19455 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19456 as well as sizes not multiple of component size.
19459 * function.c (instantiate_expr): New function.
19460 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19461 walk its DECL_VALUE_EXPR with instantiate_expr.
19463 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19464 DW_OP_deref{,_size} if address isn't going to be added.
19466 2006-01-04 Ben Elliston <bje@au.ibm.com>
19468 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19469 * config/fp-bit.c: Likewise.
19471 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19473 * dominance.c: Add comment about why we use DFS numbering
19476 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19477 Richard Henderson <rth@redhat.com>
19479 Merge from gomp-branch:
19480 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19481 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19483 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19485 PR rtl-optimization/25578
19486 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19487 pass a parameter to simplify_shift_const if changing ASHIFTRT
19490 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19492 * builtins.c (get_builtin_sync_mem): New function.
19493 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19494 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19495 Call get_builtin_sync_mem to generate mem rtx.
19497 2006-01-03 Richard Guenther <rguenther@suse.de>
19500 * stmt.c (add_case_node): Make sure to clear overflow flags
19503 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19505 Merge from gomp-branch.
19506 * config/sparc/sync.md: New file.
19507 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19508 UNSPECV_LDSTUB): New constants.
19509 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19510 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19511 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19514 2006-01-03 Roger Sayle <roger@eyesopen.com>
19516 * combine.c (reg_subword_p): New predicate to test whether the
19517 destination of a set refers to a subword/piece of a register.
19518 (try_combine): Generalize the code to merge the setting of a
19519 pseudo to a constant followed by a set of a subword of that
19520 register to a constant.
19522 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19524 * basic-block.h (control_flow_graph): Change the type of
19525 x_label_to_block_map to VEC(basic_block,gc) *.
19526 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19527 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19529 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19530 VEC(basic_block,heap) *.
19531 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19532 ssa_prop_fini): Adjust the uses of cfg_blocks.
19534 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19536 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19538 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19539 hashing trees instead of a pointer hash.
19540 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19541 compare for MEM_EXPR.
19543 PR rtl-optimization/25130
19544 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19545 when comparing MEMs for GCSE
19547 2006-01-03 Ben Elliston <bje@au.ibm.com>
19549 * targhooks.h (default_decimal_float_supported_p): Declare.
19550 * targhooks.c (default_decimal_float_supported_p): Define.
19551 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19552 `default_decimal_float_supported_p'.
19553 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19555 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19557 * combine.c (apply_distributive_law <SUBREG>): Check
19558 TRULY_NOOP_TRUNCATION.
19560 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19562 * dwarf2out.c (have_switched_text_section): Delete.
19563 (have_multiple_function_sections): New.
19564 (have_location_lists): Make 'bool'.
19565 (add_AT_loc_list): Use 'true' not '1'.
19566 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19567 (output_loc_list): Use have_multiple_function_sections.
19568 (output_ranges): Likewise.
19569 (dwarf2out_begin_function): Set have_multiple_function_sections if
19571 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19572 Check function_section rather than DECL_SECTION_NAME.
19573 (dwarf2out_finish): Use have_multiple_function_sections.
19574 Don't clear have_location_lists.
19576 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19577 Jan Hubicka <jh@suse.cz>
19579 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19580 case of conditional jump jumping to the next instruction.
19581 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19582 cases of conditional jump jumping to the next instruction.
19584 2006-01-02 Jan Hubicka <jh@suse.cz>
19586 * i386.c (*_cost): Add COSTS_N_INSNS.
19587 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19589 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19592 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19594 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19596 * config/arm/arm.c (all_fpus): Fix comment typo.
19597 * config/darwin.c: Likewise.
19598 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19599 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19600 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19602 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19604 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19605 (rs6000_split_compare_and_swapqhi): New.
19606 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19607 (sync_compare_and_swapqhi_internal): New.
19608 * config/rs6000/rs6000-protos.h: Declare.