1 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
3 * jump.c (mark_all_labels): Work in cfglayout mode.
4 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
5 when in cfglayout mode, because there are no dead jumptables
7 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
9 (commit_edge_insertions): Do not allow insertion of instructions
10 with control flow insns when in cfglayout mode.
12 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
14 * tree-vrp.c (execute_vrp): Do not pass loops structure through
16 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
17 unswitch_loop): Ditto.
18 * tree-loop-linear.c (linear_transform_loops): Ditto.
19 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
21 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
22 free_numbers_of_iterations_estimates): Ditto.
23 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
24 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
25 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
26 remove_path, add_loop, loopify, unloop, fix_loop_placements,
27 place_new_loop, duplicate_loop, duplicate_subloops,
28 update_single_exit_for_duplicated_loops, copy_loops_to,
29 duplicate_loop_to_header_edge, create_preheaders,
30 force_single_succ_latches, loop_version, fix_loop_structure):
32 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
33 tree_unroll_loop): Ditto.
34 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
35 * tree-scalar-evolution.c (select_loops_exit_conditions,
36 scev_initialize, scev_analysis): Ditto.
37 * tree-scalar-evolution.h (scev_initialize): Ditto.
38 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
39 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
40 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
41 * modulo-sched.c (sms_schedule): Ditto.
42 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
43 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
44 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
45 * ifcvt.c (if_convert): Ditto.
46 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
47 canonicalize_loop_induction_variables,
48 canonicalize_induction_variables,
49 tree_unroll_loops_completely, remove_empty_loops): Ditto.
50 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
51 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
52 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
53 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
54 tree_ssa_loop_done): Ditto.
55 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
56 estimate_bb_frequencies): Ditto.
57 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
58 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
59 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
60 decide_unrolling_and_peeling, peel_loop_completely,
61 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
62 peel_loop_simple, unroll_loop_stupid): Ditto.
63 * loop-doloop.c (doloop_optimize_loops): Ditto.
64 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
65 * loop-invariant.c (move_loop_invariants): Ditto.
66 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
67 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
68 tree_ssa_prefetch_arrays): Ditto.
69 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
71 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
72 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
73 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
74 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
75 verify_loop_structure): Ditto.
76 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
77 canonicalize_induction_variables, tree_unroll_loops_completely,
78 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
79 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
80 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
81 tree_unroll_loop, linear_transform_loops): Declaration changed.
82 * basic-block.h: Remove declaration of struct loops.
83 * cfghooks.h (struct cfg_hooks): Change type of
84 cfg_hook_duplicate_loop_to_header_edge.
85 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
86 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
87 vect_transform_loop): Declaration changed.
88 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
89 * cfgloop.h (flow_loops_dump, fix_loop_structure,
90 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
91 cancel_loop_tree, create_preheaders, force_single_succ_latches,
92 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
93 loopify, loop_version, remove_path, unswitch_loops,
94 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
97 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
99 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
100 (X87MODEF): New mode macro.
101 (ssemodefsuffix): New mode attribute.
102 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
103 (sqrt_extend<mode>xf2_i387): New insn pattern.
104 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
105 insn and truncate result back to original mode using
106 UNSPEC_TRUNC_NOOP truncation.
107 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
108 ssemodefsuffix mode attribute.
109 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
110 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
111 (*sqrtextenddfxf2_i387): Remove insn patterns.
113 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
116 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
118 2006-11-24 Jakub Jelinek <jakub@redhat.com>
121 * c-tree.h (c_maybe_initialize_eh): New prototype.
122 * c-decl.c (finish_decl): Move EH initialization...
123 (c_maybe_initialize_eh): ... here. New function.
124 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
125 if not #pragma omp atomic.
128 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
129 or UNION_TYPE inner types.
131 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
134 * ipa-pure-const.c (check_tree): If the original tree
135 is volatile return early and say the function is not pure
136 nor const. Remove the volatile check for writes.
137 (analyze_function): Print out the result of the local
140 2006-11-24 Joseph Myers <joseph@codesourcery.com>
142 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
144 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
145 * config/rs6000/rs6000.c (rs6000_override_options): Use
146 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
149 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
151 * config/s390.c (s390_emit_compare_and_swap): New function.
152 (s390_expand_cs_hqi, s390_expand_atomic): Call
153 s390_emit_compare_and_swap.
155 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
157 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
159 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
163 * c-common.c (conversion_warning): New.
164 (convert_and_check): Call conversion_warning unless there is an
166 * doc/invoke.texi (-Wconversion): Update description.
168 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
170 * tree-ssa-alias.c (tree_pointer_compare): New function.
171 (compact_name_tags): New function.
172 (group_aliases): Call compact_name_tags.
174 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
176 * real.h (real_isinteger): Declare.
177 * real.c (real_isinteger): Define.
178 * builtins.c (integer_valued_real_p): Use it.
180 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
183 * c.opt (Wtraditional-conversion): New.
184 (Wconversion): Update description.
185 * c-typeck.c (convert_arguments): Warnings for prototypes causing
186 type conversions different from what would happen in the absence
187 of prototype are now handled by Wtraditional-conversion.
188 * doc/invoke.texi (Wtraditional-conversion): New.
189 (Wconversion): Update description.
190 * doc/trouble.texi (Wconversion): Replace Wconversion by
191 Wtraditional-conversion.
193 2006-11-23 Andrew Pinski <pinskia@gmail.com>
195 * predict.c (tree_estimate_probability): Check to make
196 sure current_loops is non null before calling flow_loops_dump.
198 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
200 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
202 2006-11-23 David Ung <davidu@mips.com>
204 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
206 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
207 (ASM_SPEC): Pass along -mfp32 and -mfp64.
208 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
209 high part of FP register when in 64-bit FP register mode. Similarly
210 use gen_mfhc1 to load high part of FP register.
211 (override_options): Allow -mgp32 and -mfp64 combination if
212 ISA_HAS_MXHC1 (currently for O32 only).
213 (mips_cannot_change_mode_class): If floating-point registers are
214 bigger than word size. disallow conversion of float register from a
215 large integer mode to a float mode smaller than the float register
217 (mips_class_max_nregs): Handle float registers case seperately.
218 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
220 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
221 (movdf_hardfloat_32bit): Similarly.
222 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
223 support a full 64-bit fpu.
224 (mthc1): New pattern to generate MTHC1 instruction.
225 (mfhc1): New pattern to generate MFHC1 instruction.
226 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
227 option for the MIPS32R2 and mention its use under O32 ABI.
229 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
231 * var-tracking.c (emit_note_insn_var_location): Take care not to
232 cause verify_flow_info failures.
234 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
236 * tree-ssa-structalias.c: Remove edge weights in favor of just
237 processing them as complex constraints.
238 (struct constraint_graph): Remove weighted succs and preds. Rename
239 nonweighted succs and preds.
240 (constraint_edge): Removed.
241 (constraint_edge_t): Ditto.
242 (constraint_edge_pool): Ditto.
243 (new_constraint_edge): Ditto.
244 (constraint_edge_equal): Ditto.
245 (constraint_edge_less): Ditto.
246 (constraint_edge_vec_find): Ditto.
247 (erase_self_graph_edge): Ditto.
248 (add_graph_edge): Removed.
249 (get_graph_weights): Ditto.
250 (allocate_graph_weights): Ditto. (
251 (valid_weighted_graph_edge): Ditto
252 (bitmap_other_than_zero_bit_set): Ditto.
253 (int_add_graph_edge): Renamed to add_graph_edge.
254 (clear_edges_for_node): Remove support for weighted edges.
255 (merge_graph_nodes): Ditto.
256 (valid_graph_edge): Ditto.
257 (build_constraint_graph): Ditto.
259 (collapse_nodes): Ditto.
260 (process_unification_queue): Ditto.
262 (do_ds_constraint): Ditto.
263 (perform_var_subsitution): Ditto.
264 (solve_graph): Ditto.
265 (init_alias_vars): Ditto.
266 (delete_points_to_sets): Ditto.
267 (do_complex_constraint): Support offsetted copies here.
269 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
271 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
273 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
275 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
278 2006-11-23 Ben Elliston <bje@au.ibm.com>
280 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
282 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
284 PR tree-optimization/29921
285 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
286 signed and unsigned zero equal.
288 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
290 * config/rs6000/rs6000.c (get_store_dest): New.
291 (adjacent_mem_locations): Use get_store_dest() to get
292 the rtl of the store destination.
294 2006-11-22 Joseph Myers <joseph@codesourcery.com>
296 * config/rs6000/spe.md (SPE64): New mode macro.
297 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
299 (mov_si<mode>_e500_subreg0_2): New.
300 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
302 (mov_si<mode>_e500_subreg4_2): New.
303 * config/rs6000/predicates.md (input_operand): Do not allow
304 invalid E500 subregs.
305 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
307 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
308 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
309 involving vector modes if TARGET_SPE.
311 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
314 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
315 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
317 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
319 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
320 mem_i_address_operand): New predicates.
321 * config/bfin/bfin.c (bfin_issue_rate): New function.
322 (TARGET_SCHED_ISSUE_RATE): New macro.
323 * config/bfin/bfin.md (addrtype): New attribute.
324 (slot0, slot1, slot2, store, pregs): New cpu_units.
325 (core): Now a define_reservation.
326 (alu): Remove some insn types from this reservation.
327 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
329 (dummy reservation): Don't trigger for mcld insns.
330 (absence_sets): Two new absence sets to enforce slot ordering.
331 (popsi_insn): Set addrtype.
333 2006-11-22 Ira Rosen <irar@il.ibm.com>
335 * doc/c-tree.texi: Document new tree codes.
336 * doc/md.texi: Document new optabs.
337 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
339 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
340 * optabs.h (optab_index): Add new.
341 (vec_extract_even_optab, vec_extract_odd_optab,
342 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
343 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
344 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
346 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
347 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
348 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
349 along with macros for their access.
350 * tree-data-ref.h (first_location_in_loop, data_reference): Update
352 * tree-vect-analyze.c (toplev.h): Include.
353 (vect_determine_vectorization_factor): Fix indentation.
354 (vect_insert_into_interleaving_chain,
355 vect_update_interleaving_chain, vect_equal_offsets): New functions.
356 (vect_analyze_data_ref_dependence): Add argument for interleaving
357 check. Check for interleaving if it's true.
358 (vect_check_dependences): New function.
359 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
360 every ddr. Call vect_analyze_data_ref_dependence with new argument.
361 (vect_update_misalignment_for_peel): Update for interleaving.
362 (vect_verify_datarefs_alignment): Check only first data-ref for
364 (vect_enhance_data_refs_alignment): Update for interleaving. Check
365 only first data-ref for interleaving.
366 (vect_analyze_data_ref_access): Check interleaving, update
368 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
369 with different parameters.
370 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
371 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
372 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
373 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
374 Update step in case of interleaving.
375 (vect_strided_store_supported, vect_permute_store_chain): New
377 (vectorizable_store): Handle strided stores.
378 (vect_strided_load_supported, vect_permute_load_chain,
379 vect_transform_strided_load): New functions.
380 (vectorizable_load): Handle strided loads.
381 (vect_transform_stmt): Add argument. Handle strided stores. Check
382 that vectorized stmt exists for patterns.
383 (vect_gen_niters_for_prolog_loop): Update calculation for
385 (vect_transform_loop): Remove stmt_vec_info for strided stores after
386 whole chain vectorization.
387 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
388 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
389 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
390 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
391 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
393 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
395 * cse.c (enum taken): Remove PATH_AROUND.
396 (addr_affects_sp_p, invalidate_skipped_set,
397 invalidate_skipped_block): Remove.
398 (cse_end_of_basic_block): Remove skip_blocks and related code.
399 (cse_main): Don't test for flag_cse_skip_blocks.
400 Update cse_end_of_basic_block call.
401 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
402 code to lengthen the path if a jump was simplified.
404 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
406 PR rtl-optimization/29924
407 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
408 (unroll_loop_runtime_iterations): Assert that the argument passed to
409 split_edge_and_insert is not NULL.
410 * loop-doloop.c (add_test): Ditto.
412 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
414 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
416 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
417 * cfgloopmanip.c (update_single_exits_after_duplication,
418 update_single_exit_for_duplicated_loop, loop_version): Ditto.
419 * tree-scalar-evolution.c (get_loop_exit_condition,
420 get_exit_conditions_rec, loop_closed_phi_def,
421 number_of_iterations_in_loop, scev_const_prop): Ditto.
422 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
423 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
425 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
427 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
428 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
429 slpeel_make_loop_iterate_ntimes,
430 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
431 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
433 * tree-if-conv.c (if_convertible_loop_p): Ditto.
434 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
435 vect_analyze_loop_form): Ditto.
436 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
437 can_convert_to_perfect_nest, perfect_nestify): Ditto.
438 * tree-vect-transform.c (vect_create_epilog_for_reduction,
439 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
440 vect_transform_loop): Ditto.
441 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
442 (single_exit, set_single_exit): New functions.
443 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
444 (single_exit, set_single_exit): Declare.
445 * doc/loop.texi: Undocument single_exit field. Document single_exit
448 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
450 PR tree-optimization/29902
451 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
452 any involved ssa name appears in abnormal phi node.
454 2006-11-21 Bob Wilson <bob.wilson@acm.org>
456 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
457 (xtensa_const_ok_for_letter_p): Delete.
458 (xtensa_extra_constraint): Delete.
459 (override_options): Delete xtensa_char_to_class initialization.
460 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
461 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
462 (EXTRA_CONSTRAINT): Delete.
463 * config/xtensa/xtensa.md: Include constraints.md.
464 (call_internal): Combine alternatives.
465 (call_value_internal): Likewise, and remove invalid constraints.
466 * config/xtensa/constraints.md: New file.
467 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
468 (xtensa_extra_constraint): Delete.
469 * doc/md.texi (Machine Constraints): Refer to constraints.md for
472 2006-11-21 Janis Johnson <janis187@us.ibm.com>
474 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
475 of conversion that doesn't fit.
477 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
478 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
479 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
481 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
483 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
485 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
487 2006-11-21 Richard Guenther <rguenther@suse.de>
489 * tree-vectorizer.h (NUM_PATTERNS): Increase.
490 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
491 vect_recog_pow_pattern.
492 (vect_recog_pow_pattern): New function.
494 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
496 * config/bfin/bfin.opt (mstack-check-l1): New.
497 * doc/invoke.texi (Blackfin Options): Document it.
498 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
499 stack bounds in L1 memory if the new option is enabled.
500 (override_options): Don't allow combinations of -fstack-limit and
502 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
505 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
507 (bfin_register_move_cost): Bump costs if trying to move plain
508 integer values through accumulators.
510 2006-11-21 Ben Elliston <bje@au.ibm.com>
512 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
514 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
515 Russell Olsen <Russell_Olsen@playstation.sony.com>
516 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
517 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
518 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
519 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
520 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
522 * config.gcc: Add target for SPU.
523 * config/spu/constraints.md: New file.
524 * config/spu/crt0.c: New file.
525 * config/spu/crtend.c: New file.
526 * config/spu/crti.asm: New file.
527 * config/spu/crtn.asm: New file.
528 * config/spu/float_unsdidf.c: New file.
529 * config/spu/float_unssidf.c: New file.
530 * config/spu/predicates.md: New file.
531 * config/spu/spu-builtins.def: New file.
532 * config/spu/spu-builtins.h: New file.
533 * config/spu/spu-builtins.md: New file.
534 * config/spu/spu-c.c: New file.
535 * config/spu/spu-elf.h: New file.
536 * config/spu/spu-modes.def: New file.
537 * config/spu/spu-protos.h: New file.
538 * config/spu/spu.c: New file.
539 * config/spu/spu.h: New file.
540 * config/spu/spu.md: New file.
541 * config/spu/spu.opt: New file.
542 * config/spu/spu_internals.h: New file.
543 * config/spu/spu_intrinsics.h: New file.
544 * config/spu/spu_mfcio.h: New file.
545 * config/spu/t-spu-elf: New file.
546 * config/spu/vec_types.h: New file.
547 * config/spu/vmx2spu.h: New file.
548 * doc/contrib.texi: Document SPU contributor.
549 * doc/extend.texi: Document SPU extensions.
550 * doc/invoke.texi: Document SPU options.
551 * doc/md.texi: Document SPU constraints.
553 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
555 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
557 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
559 (flow_loop_dump): Do not dump loop level.
560 (flow_loops_find): Do not call flow_loops_level_compute.
561 * cfgloop.h (struct loop): Remove level field.
563 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
565 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
566 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
567 Use vector of edges instead of array.
568 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
569 estimate_numbers_of_iterations_loop): Ditto.
570 * predict.c (predict_loops): Ditto.
571 * loop-unroll.c (analyze_insns_in_loop): Ditto.
572 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
574 * basic-block.h: Declare heap allocation for edge vectors.
575 * tree-outof-ssa.c: Ditto.
576 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
577 * cfgloop.h (get_loop_exit_edges): Declaration changed.
579 2006-11-20 Zack Weinberg <zackw@panix.com>
581 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
582 Add another out parameter, "skip".
583 (set_gc_used_type): Adjust calls to process_gc_options. If a field
584 is tagged "skip", do not mark its type used.
586 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
589 * tree-sra.c (single_scalar_field_in_record_p): New function.
590 (decide_block_copy): Use it.
592 2006-11-20 David Daney <ddaney@avtrex.com>
594 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
595 PC to point to following instruction.
597 2006-11-20 Anatoly Sokolov <aesok@post.ru>
601 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
603 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
605 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
607 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
608 Add sh/superh.h to tm_file.
610 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
611 Mark Mitchell <mark@codesourcery.com>
613 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
615 (cpp_relocated): New function.
616 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
618 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
619 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
620 replace configured prefix with gcc_exec_prefix.
622 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
624 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
625 bfin_legitimate_constant_p.
626 * config/bfin/bfin.md (movsi expander): Check return value of
628 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
629 (expand_move): Adjust prototype.
630 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
631 invalid constants specially.
632 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
634 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
636 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
637 sibcall_value_symbol): Allow these patterns if
638 TARGET_LEAF_ID_SHARED_LIBRARY.
639 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
640 (override_options): Turn on id shared library flags if -msep-data,
641 but disallow the combination of these options on the command line.
642 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
643 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
644 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
646 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
647 * doc/invoke.texi (Blackfin Options): Document new switches.
649 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
650 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
652 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
653 inflate costs for addresses with an out-of-bounds address.
655 2006-11-19 Andrew Pinski <pinskia@gmail.com>
658 * fwprop.c (loops): Remove.
659 (forward_propagate_into): Use current_loops instead of
661 (fwprop_init): Call loop_optimizer_init instead of
663 (fwprop_done): Call loop_optimizer_finalize instead of
665 (fwprop): Use current_loops instead of loops.
667 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
670 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
672 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
675 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
676 larger than BITS_PER_WORD.
678 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
682 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
683 to MAX_FIXED_MODE_SIZE.
685 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
687 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
688 (fold_builtin_fmin_fmax): New.
689 (fold_builtin_1): Use it.
691 * fold-const.c (fold_strip_sign_ops): Handle copysign.
693 2006-11-18 Richard Guenther <rguenther@suse.de>
695 * config/i386/i386.c (ix86_builtins): New array for ix86
696 builtin function decls.
697 (def_builtin): New function.
698 (def_builtin_const): Likewise.
699 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
701 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
703 * doc/invoke.texi (core2): Add item.
705 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
707 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
708 (TARGET_CPU_DEFAULT_generic): Change value.
709 (TARGET_CPU_DEFAULT_NAMES): Add core2.
710 (processor_type): Add new constant PROCESSOR_CORE2.
712 * config/i386/i386.md (cpu): Add core2.
714 * config/i386/i386.c (core2_cost): New initialized variable.
715 (m_CORE2): New macro.
716 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
717 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
718 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
719 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
720 x86_partial_reg_dependency, x86_memory_mismatch_stall,
721 x86_accumulate_outgoing_args, x86_prologue_using_move,
722 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
723 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
724 x86_use_incdec, x86_four_jump_limit, x86_schedule,
725 x86_pad_returns): Add m_CORE2.
726 (override_options): Add entries for Core2.
727 (ix86_issue_rate): Add case for Core2.
729 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
731 * doc/invoke.texi: Fix mno-isel typo.
733 2006-11-18 Joseph Myers <joseph@codesourcery.com>
735 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
736 easy vector constant loads.
738 2006-11-18 Joseph Myers <joseph@codesourcery.com>
740 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
741 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
742 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
743 * config/rs6000/sync.md (lwsync): Emit plain sync if
746 2006-11-17 DJ Delorie <dj@redhat.com>
748 * reload1.c (reloads_unique_chain): New.
749 (reloads_conflict): Call it.
751 2006-11-17 Bob Wilson <bob.wilson@acm.org>
753 * config/xtensa/predicates.md (addsubx_operand): New.
754 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
755 (xtensa_emit_bit_branch): New.
756 (xtensa_emit_movcc): New.
757 * config/xtensa/xtensa.md (any_minmax): New code macro.
758 (minmax): New code attribute.
759 (any_cond, any_scc, any_scc_sf): New code macros.
760 (*addx2, *addx4, *addx8): Delete.
762 (*subx2, *subx4, *subx8): Delete.
764 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
765 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
766 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
767 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
768 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
769 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
770 (movsfcc_internal0, movsfcc_internal1): Likewise.
771 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
772 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
773 (xtensa_emit_bit_branch): New.
774 (xtensa_emit_movcc): New.
775 (function_arg_boundary): Add missing prototype.
777 2006-11-17 Bob Wilson <bob.wilson@acm.org>
779 * config/xtensa/xtensa.md (tstsi): Delete
781 2006-11-17 Bob Wilson <bob.wilson@acm.org>
783 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
785 2006-11-17 Bob Wilson <bob.wilson@acm.org>
787 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
789 2006-11-17 Bob Wilson <bob.wilson@acm.org>
791 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
793 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
795 * tree-vrp.c (execute_vrp): Do not update current_loops.
796 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
797 * doc/loop.texi: Remove documentation for cancelled functions.
798 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
799 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
801 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
802 (remove_path): Ensure that in delete_basic_blocks, the loops
804 (add_loop): Work on valid loop structures.
805 (loopify): Modify call of add_loop.
806 (mfb_update_loops): Removed.
807 (create_preheader): Do not update loops explicitly.
808 (force_single_succ_latches, loop_version): Do not use
809 loop_split_edge_with.
810 (loop_split_edge_with): Removed.
811 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
812 Do not use bsi_insert_on_edge_immediate_loop.
813 (split_loop_exit_edge, tree_unroll_loop): Do not use
814 loop_split_edge_with.
815 (bsi_insert_on_edge_immediate_loop): Removed.
816 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
817 use loop_split_edge_with.
818 * cfghooks.c: Include cfgloop.h.
819 (verify_flow_info): Verify that loop_father is filled iff current_loops
821 (redirect_edge_and_branch_force, split_block, delete_basic_block,
822 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
824 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
826 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
827 loop_split_edge_with.
828 (sms_schedule): Use current_loops.
829 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
830 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
832 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
833 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
834 * ifcvt.c (if_convert): Ditto.
835 * predict.c (predict_loops): Do not clear current_loops.
836 (tree_estimate_probability): Use current_loops.
837 (propagate_freq): Receive head of the region to propagate instead of
839 (estimate_loops_at_level): Do not use shared to_visit bitmap.
840 (estimate_loops): New function. Handle case current_loops == NULL.
841 (estimate_bb_frequencies): Do not allocate tovisit. Use
843 * tree-ssa-loop.c (current_loops): Removed.
844 (tree_loop_optimizer_init): Do not return loops.
845 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
846 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
847 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
848 Do not update loops explicitly.
849 * function.h (struct function): Add x_current_loops field.
850 (current_loops): New macro.
851 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
852 * loop-unroll.c (split_edge_and_insert): New function.
853 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
854 use loop_split_edge_with.
855 * loop-doloop.c (add_test, doloop_modify): Ditto.
856 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
857 * cfglayout.c (copy_bbs): Do not update loops explicitly.
858 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
859 * tree-vect-transform.c (vect_transform_loop): Do not update loops
861 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
862 (flow_loops_free): Do not free dfs_order and rc_order.
863 (flow_loops_find): Do not set dfs_order and rc_order in loops
864 structure. Do not call loops and flow info verification.
865 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
866 already belongs to some loop.
867 * cfgloop.h (struct loops): Remove struct cfg.
868 (current_loops, loop_split_edge_with): Declaration removed.
869 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
870 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
872 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
873 * basic-block.h (split_edge_and_insert): Declare.
874 * tree-cfg.c (remove_bb): Do not update loops explicitly.
876 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
878 PR tree-optimization/29801
879 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
880 (get_default_value): Use get_symbol_constant_value.
881 (set_lattice_value): ICE when the value of the constant is
883 (visit_assignment): Ignore VDEFs of read-only variables.
885 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
887 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
889 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
890 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
892 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
894 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
895 select subvars of var.
897 2006-11-17 Jakub Jelinek <jakub@redhat.com>
900 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
901 optimize if DEF doesn't have integral type.
903 2006-11-16 Mike Stump <mrs@apple.com>
905 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
906 pre-darwin9 system, unless the user asks for it directly.
907 (PREFERRED_DEBUGGING_TYPE): Likewise.
908 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
909 * config.gcc: Add suppport for darwin9.h.
910 * config/darwin9.h: Add.
911 * doc/install.texi (Specific): Clarify darwin documentation.
913 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
915 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
918 2006-11-16 Mike Stump <mrs@apple.com>
920 * Makefile.in (targhooks.o): Add $(OPTABS_H).
922 2006-11-16 Dirk Mueller <dmueller@suse.de>
924 * tree-vrp.c (get_value_range): Use XCNEW instead
926 (insert_range_assertions): Use XCNEWVEC instead
927 of XNEWVEC and memset.
928 (vrp_initialize): Same.
929 (vrp_finalize): Same.
930 * tree-ssa-ccp.c (ccp_initialize): Same.
931 * predict.c (tree_bb_level_predictions): Same.
932 * calls.c (expand_call): Same.
933 * tree-ssa-copy.c (init_copy_prop): Same.
934 (fini_copy_prop): Same.
935 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
936 of GGC_NEW and memset.
938 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
941 * gimplify.c (gimplify_expr): Only force a load for references to
942 non-BLKmode volatile values.
943 * doc/implement-c.texi (Qualifiers implementation): Document the
944 interpretation of what a volatile access is.
945 * doc/extend.texi (C++ Extensions): Rework same documentation.
947 2006-11-16 Joseph Myers <joseph@codesourcery.com>
949 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
952 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
954 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
956 (arm_neg_abssi2): Renamed from neg_abssi2.
957 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
959 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
961 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
962 number of arguments passed to local functions in SSE registers is 3.
964 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
965 number of arguments passed in SSE registers to 3.
967 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
970 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
972 (get_last_bb_insn): ... new global function.
973 (basic_block.h): Declare it.
974 * haifa-sched.c (create_recovery_block): Use it.
976 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
979 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
981 2006-11-15 Paul Brook <paul@codesourcery.com>
983 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
984 _Unwind_GetTextRelBase): Move from here ...
985 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
986 _Unwind_GetTextRelBase): ... To here.
988 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
990 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
991 addresses we generate for testing are aligned.
993 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
996 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
997 to what is the const decl is a place holder for.
999 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1001 * config/i386/i386.opt: New target option -mx87regparm.
1003 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1004 and float_in_x87 variables. mmx_words, sse_words: Remove.
1005 (X87_REGPARM_MAX): Define.
1007 * config/i386/i386.c (override_options): Error out for
1008 -mx87regparm but no 80387 support.
1009 (ix86_attribute_table): Add x87regparm.
1010 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1011 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1012 (ix86_function_x87regparm): New function.
1013 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1015 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1017 (function_arg_advance): Process x87_nregs and x87_regno when
1018 floating point argument is to be passed in 80387 register.
1019 (function_arg): Pass XFmode arguments in 80387 registers for local
1020 functions. Pass SFmode and DFmode arguments to local functions
1021 in 80387 registers when flag_unsafe_math_optimizations is set.
1023 * reg-stack.c (convert_regs_entry): Disable NaN load for
1024 stack registers that are used for argument passing.
1026 * doc/extend.texi: Document x87regparm function attribute.
1027 * doc/invoke.texi: Document -mx87regparm.
1029 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1031 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1032 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1033 arg MODE; all callers changed. Use it to determine validity per
1034 machine mode instead of using Pmode for all memory references.
1035 (get_address_cost): Likewise add and use new arg MEM_MODE.
1037 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1038 J"orn Rennecke <joern.rennecke@st.com>
1040 * combine.c (likely_spilled_retval_1): Fix masking operation.
1041 (likely_spilled_retval_p): Use proper pattern for call to
1042 likely_spilled_retval_1.
1044 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1046 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1048 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1049 that tests for CONSTANT_POOL_ADDRESS_P.
1051 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1053 PR tree-optimization/29581
1054 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1055 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1056 type is different between Y and USE, create a temporary
1057 variable, initialize it at the beginning of the body bb
1058 and use it as replacement instead of Y.
1060 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1063 * gimplify.c (fold_indirect_ref_rhs): Use
1064 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1066 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1068 * expmed.c (emit_store_flag_1): New function.
1069 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1071 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1072 Use do_compare_rtx_and_jump.
1073 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1074 * arm.md (cstoresi4): New define_expand.
1075 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1076 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1077 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1079 2006-11-14 Caroline Tice <ctice@apple.com>
1081 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1082 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1084 (pubname_table): Redefine as a vector.
1085 (pubtype_table): New static global variable, defined as a vector.
1086 (pubname_table_allocated): Remove static global variable.
1087 (pubname_table_in_use): Remove static global variable.
1088 (PUBNAME_TABLE_INCREMENT): Remove constant.
1089 (size_of_pubnames): Add parameter to deal with either pubnames or
1090 pubtypes, and change code to deal with table being a vector.
1091 (add_pubname): Change to deal with table being a vector.
1092 (add_pubtype): New function.
1093 (output_pubnames): Add parameter to deal with either pubnames or
1094 pubtypes, and change code to deal with table being a vector.
1095 (gen_array_type_die): Add call to add_pubtype.
1096 (gen_enumeration_type_die): Add call to add_pubtype.
1097 (gen_struct_or_union_type_die): Add call to add_pubtype.
1098 (gen_subroutine_type_die): Add call to add_pubtype.
1099 (gen_typedef_die): Add call to add_pubtype.
1100 (dwarf2out_init): Add code to initialize pubname_table and
1101 pubtype_table vectors; also initialize debug_pubtypes_section.
1102 (prune_unused_types): Change to deal with pubnames being a vector.
1103 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1104 pubnames table to call to output_pubnames; Add code to output pubtypes
1105 table if DEBUG_PUBTYPES_SECTION is defined.
1106 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1108 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1110 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1112 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1113 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1114 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1115 movv2si_internal): Support moves between core registers.
1117 2006-11-14 Eric Christopher <echristo@apple.com>
1119 * configure: Regenerate with autoconf 2.59.
1121 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1123 Fix PR tree-optimization/27755
1125 * tree-ssa-pre.c: Update comments.
1126 (bb_bitmap_sets): Add pa_in and deferred member.
1127 (BB_DEFERRED): New macro.
1128 (maximal_set): New variable.
1129 (pre_stats): Add pa_insert member.
1130 (bitmap_set_and): Short circuit orig == dest.
1131 (bitmap_set_subtract_values): New function.
1132 (bitmap_set_contains_expr): Ditto.
1133 (translate_vuses_through_block): Add phiblock argument.
1134 (dependent_clean): New function.
1135 (compute_antic_aux): Update for maximal_set changes.
1136 (compute_partial_antic_aux): New function.
1137 (compute_antic): Handle partial anticipation.
1138 (do_partial_partial_insertion): New function.
1139 (insert_aux): Handle partial anticipation.
1140 (add_to_sets): Add to maximal set.
1141 (compute_avail): Ditto.
1142 (init_pre): Initialize maximal_set.
1143 (execute_pre): Do partial anticipation if -O3+.
1145 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1147 PR rtl-optimization/29798
1149 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1150 TARGET_INSN before any other check.
1151 (fwprop_init): Always calculate dominators.
1152 (fwprop_done): Always free them.
1154 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1156 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1159 2006-11-13 DJ Delorie <dj@redhat.com>
1161 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1162 temporary for intermediates.
1164 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1166 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1167 (sh_optimize_target_register_callee_saved): #if 0 the code
1168 using NOTE_INSN_LOOP_{BEG,END}.
1170 2006-11-13 Roger Sayle <roger@eyesopen.com>
1172 * fold-const.c (optimize_bit_field_compare): Recursively call
1173 fold when simplifying non-constant comparisons between bit-fields.
1175 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1177 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1179 * configure: Rebuilt.
1181 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1183 * config/rs6000/cell.md: New file.
1184 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1186 (ppccell_cost): New cost matrix.
1187 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1188 (rs6000_override_options): Set rs6000_always_hint to false
1189 for cell. Also align functions/lables/loops to 8byte
1190 for the Cell. Use PROCESSOR_CELL.
1191 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1192 using_mtcr_multiple.
1193 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1194 on the Cell, return 0.
1195 (rs6000_adjust_cost): Add Cell cost adjustments.
1196 (is_microcoded_insn): Return true for Cell microcoded
1198 (is_nonpipeline_insn): New function.
1199 (rs6000_issue_rate): Add PROCESSOR_CELL.
1200 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1202 (rs6000_use_sched_lookahead_guard): New function.
1203 (rs6000_sched_reorder): Reorder the ready list, if the second
1204 to last ready insn is a nonepipeline insn on the Cell.
1205 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1206 (ASM_CPU_SPEC): Add Cell.
1207 * config/rs6000/rs6000.md (cpu): Add Cell.
1208 (cell_micro): New Attr.
1211 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1213 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1215 * configure: Rebuilt.
1217 2006-11-13 Richard Guenther <rguenther@suse.de>
1219 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1221 (ix86_expand_lfloorceil): Likewise.
1222 (ix86_expand_rint): Likewise.
1223 (ix86_expand_floorceildf_32): Likewise.
1224 (ix86_expand_floorceil): Likewise.
1225 (ix86_expand_rounddf_32): Likewise.
1226 (ix86_expand_truncdf_32): Likewise.
1227 (ix86_expand_round): Likewise.
1229 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1230 Mark Mitchell <mark@codesourcery.com>
1232 * gcc.c: Organize search path variables into $prefix relative,
1233 and well-known native. Add comments.
1234 (add_sysrooted_prefix): Add comment.
1235 (process_command): If !gcc_exec_prefix add $prefix based paths.
1236 If *cross_compile == '0', add native well-known paths.
1237 Assert tooldir_base_prefix is always relative.
1238 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1239 use this value for 'install:' path.
1240 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1242 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1244 * config/i386/i386.c: Fix a typo in comment.
1246 2006-11-13 Michael Matz <matz@suse.de>
1248 * genemit.c (gen_expand): Allocate enough memory.
1250 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1252 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1253 __GXX_TYPEINFO_EQUALITY_INLINE but not
1254 __GXX_MERGED_TYPEINFO_NAMES.
1255 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1256 __GXX_MERGED_TYPEINFO_NAMES.
1257 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1258 __GXX_TYPEINFO_EQUALITY_INLINE.
1260 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1261 Zdenek Dvorak <dvorakz@suse.cz>
1263 PR tree-optimization/29680
1264 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1267 2006-11-12 Jason Merrill <jason@redhat.com>
1268 Andrew Pinski <pinskia@physics.uc.edu>
1271 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1273 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1275 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1276 * tree.c (build_vector): Handle non-_CST elements.
1278 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1280 * genemit.c (gen_insn): Call gen_exp with a non-null used
1281 when handling multiple insns.
1282 (gen_expand): Likewise.
1283 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1284 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1285 (movsi_const_16bit+1): Copy operands[1].
1286 (call_pcrel): Copy the call_site pattern.
1287 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1289 2006-11-12 Roger Sayle <roger@eyesopen.com>
1291 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1292 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1293 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1294 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1296 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1298 Fix PR tree-optimization/29587
1299 * tree-ssa-structalias.c (process_constraint): Don't
1300 mark address taken due only to escaped vars constraint.
1302 2006-11-12 Michael Matz <matz@suse.de>
1303 Roger Sayle <roger@eyesopen.com>
1305 PR rtl-optimization/29797
1306 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1307 BITS_BIG_ENDIAN targets.
1309 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1311 * builtins.c (fold_builtin_cosh): New.
1312 (fold_builtin_1): Use it.
1313 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1314 trunc to the list of "odd" functions. Also add llrint, lrint,
1315 rint and nearbyint when flag_rounding_math is false.
1317 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1319 * tree-flow.h (name_mappings_registered_p): Declare.
1320 * tree-into-ssa.c (name_mappings_registered_p): New function.
1321 * tree-cfg.c (tree_can_merge_blocks_p): Check
1322 name_mappings_registered_p instead of need_ssa_update_p.
1324 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1326 * tree-ssa-loop.c (tree_vectorize): Return the result of
1328 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1329 if anything changed.
1330 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1331 * tree-flow.h (vectorize_loops): Declaration changed.
1333 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1335 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1337 (issue_prefetch_ref): Move assignment to write_p out of loop.
1338 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1339 SIMULTANEOUS_PREFETCHES into account.
1340 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1341 * lambda-code.c (lcm): Renamed to ...
1342 (least_common_multiple): ... and exported.
1343 * tree-flow.h (least_common_multiple): Declare.
1345 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1347 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1348 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1349 ud-chains. Handle AND_EXPR.
1350 (record_estimate): Record whether the estimate is realistic
1351 and whether it is derived from a loop exit.
1352 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1353 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1355 (compute_estimated_nb_iterations): Take only realistic bounds into
1356 account. Set estimate_state. Use double_ints.
1357 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1358 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1359 that do not have to be always executed.
1360 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1361 to determine whether to call infer_loop_bounds_from_undefined
1362 and compute_estimated_nb_iterations.
1363 (n_of_executions_at_most): Use double_ints.
1364 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1365 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1366 * double-int.c (double_int_to_tree): Improve comment.
1367 (double_int_fits_to_tree_p): New function.
1368 * double-int.h (double_int_fits_to_tree_p): Declare.
1369 * tree-data-ref.c: Include langhooks.h.
1370 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1371 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1372 (analyze_array): Do not pass estimate_only argument to
1373 analyze_array_indexes.
1374 (get_number_of_iters_for_loop): Build tree from the stored double_int
1376 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1377 (find_data_references_in_loop): Use find_data_references_in_stmt.
1378 * tree-data-ref.h (struct data_ref_loc_d): New.
1379 (get_references_in_stmt): Declare.
1380 (estimate_iters_using_array): Declaration removed.
1381 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1382 double_int. Improve comments. Add is_exit and realistic
1384 (struct loop): Changed type of estimated_nb_iterations to double_int.
1385 Added estimate_state field.
1386 (record_estimate): Declaration removed.
1388 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1390 * params.c (set_param_value): Initialize the "set" field.
1391 * params.h (struct param_info): Add "set" field.
1392 (PARAM_SET_P): New macro.
1393 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1394 L1_CACHE_LINE_SIZE): New macros.
1395 * toplev.c (DEFPARAM): Initialize the "set" field.
1396 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1397 SIMULTANEOUS_PREFETCHES): Removed.
1398 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1399 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1400 * config/sparc/sparc.c: Include params.h.
1401 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1402 L1_CACHE_LINE_SIZE parameters.
1403 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1405 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1407 * config/i386/i386.c: Include params.h.
1408 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1409 (override_options): Set SIMULTANEOUS_PREFETCHES and
1410 L1_CACHE_LINE_SIZE parameters.
1411 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1412 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1413 L1_CACHE_LINE_SIZE parameters.
1414 * config/ia64/ia64.c (ia64_optimization_options): Set
1415 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1416 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1418 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1419 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1420 * doc/invoke.texi: Document new params.
1422 2006-11-12 Roger Sayle <roger@eyesopen.com>
1424 PR tree-optimization/13827
1425 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1428 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1430 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1431 update_single_exit_for_duplicated_loops): New functions.
1432 (duplicate_loop_to_header_edge): Use
1433 update_single_exit_for_duplicated_loops.
1434 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1435 functions only with ENABLE_CHECKING.
1437 2006-11-12 Andreas Schwab <schwab@suse.de>
1439 * except.c (sjlj_emit_function_enter): Remove unused variable.
1441 2006-11-11 Roger Sayle <roger@eyesopen.com>
1443 * fold-const.c (int_binop_types_match_p): New function.
1444 (size_binop): Relax constraint that both arguments must both have
1445 exactly the same sizetype type. Instead use int_binop_types_match_p.
1446 (size_diffop): Likewise.
1448 (make_range): Use build_int_cst instead of fold_convert.
1449 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1450 integer constants of the correct type.
1451 (fold_div_compare): Likewise.
1452 (fold_single_bit_test): Likewise.
1453 (fold_binary): Likewise.
1454 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1455 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1457 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1460 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1461 non null value if the struct memory access is in the 0th
1464 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1467 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1468 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1471 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1472 instead of builtin_define for bfin and BFIN.
1474 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1476 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1479 2006-11-11 Jan Hubicka <jh@suse.cz>
1481 * extend.texi (__builtin_expect): We no longer require second argument
1483 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1484 * builtins.c (expand_builtin_expect): Simplify.
1485 (expand_builtin_expect_jump): Kill.
1486 * final.c (final_scan_insn): Do not skip the removed notes.
1487 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1488 EXPECTED_VALUE): Remove.
1489 * dojump.c (do_jump): Do not care about __builtin_expect.
1490 * predict.c (expected_value_to_br_prob): Kill.
1491 * function.c (expand_function_end): Do not expand
1492 NOTE_INSN_REPEATED_LINE_NUMBER.
1493 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1494 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1495 * cfgexpand.c (add_reg_br_prob_note): Export.
1496 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1497 expected_value_to_br_prob.
1498 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1499 * rtl.h (add_reg_br_prob_note): Declare.
1501 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1503 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1505 2006-11-11 Jan Hubicka <jh@suse.cz>
1507 * predict.c (predict_loops): Kill RTL variant.
1509 2006-11-11 Jan Hubicka <jh@suse.cz>
1511 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1512 * modulo-sched.c (find_line_note): Remove.
1513 (loop_canon_p): Do not worry about line number notes.
1514 (sms_schedule): Likewise.
1515 * cse.c (cse_main): Likewise.
1516 * regmove.c (fixup_match_1): Likewise
1517 * function.c (emit_return_info_block): Likewise.
1518 (expand_function_end): Likewise.
1519 (thread_prologue_an_epilogue_insns): Likewise.
1520 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1522 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1523 emit_note_copy_after): Kill.
1524 (emit_note_copy): Do not worry about line numbers.
1525 * jump.c (purge_line_number_notes): Kill.
1526 (pass_purge_lineno_notes): Kill.
1527 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1529 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1530 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1531 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1532 * tree-pass.h (pass_purge_lineno_notes): Kill.
1533 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1534 rm_redundant_line_notes.
1535 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1536 rm_redundant_line_notes.
1537 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1538 * haifa-sched.c: Update comment about handling notes.
1539 (unlink_line_notes): Kill.
1540 (rm_line_notes): Kill.
1541 (save_line_notes): Simplify.
1542 (rm_redundant_line_notes): Kill.
1544 2006-11-11 Richard Guenther <rguenther@suse.de>
1546 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1547 Remove unused tree codes.
1548 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1549 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1550 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1551 * tree.c (stabilize_reference): Likewise.
1552 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1553 fold_unary): Likewise.
1554 * tree-gimple.c (is_gimple_cast): Likewise.
1555 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1556 * expr.c (expand_expr_real_1): Likewise.
1557 * tree-eh.c (tree_could_trap_p): Likewise.
1558 * gimplify.c (gimplify_expr): Likewise.
1559 * tree-inline.c (estimate_num_insns_1): Likewise.
1560 * tree-cfg.c (verify_expr): Likewise.
1562 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1564 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1565 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1566 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1568 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1571 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1572 constraints accept neither registers or memories.
1574 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1576 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1577 (NO_PROFILE_COUNTERS): Define as 1.
1579 2006-11-10 Roger Sayle <roger@eyesopen.com>
1581 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1582 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1584 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1586 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1588 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1590 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1591 (fold_builtin_hypot): Likewise.
1592 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1594 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1596 2006-11-10 Roger Sayle <roger@eyesopen.com>
1598 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1599 when attempting to build INTEGER_CSTs of non-integral types.
1600 * expmed.c (make_tree): Use the correct type, i.e. the inner
1601 type, when constructing the individual elements of a CONST_VECTOR.
1603 2006-11-10 Jan Hubicka <jh@suse.cz>
1605 * cse.c (cse_process_notes): Copy the propagated value.
1606 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1608 * gcse.c (try_replace_reg): Copy the replacement.
1609 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1610 (assign_386_stack_local): Always return copied memory expression
1611 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1614 2006-11-10 Jan Hubicka <jh@suse.cz>
1616 * final.c (final): Walk from first instruction.
1617 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1619 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1622 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1624 (umulv8hi3_highpart): Ditto.
1625 (vec_widen_smult_hi_v8hi): New expander.
1626 (vec_widen_smult_lo_v8hi): Ditto.
1628 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1631 * builtins.c (do_mpfr_arg3): New.
1632 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1634 2006-11-09 Eric Christopher <echristo@apple.com>
1639 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1640 * config.gcc (powerpc64-*-darwin*): New target.
1641 * config.host: Ditto.
1642 * config/rs6000/darwin64.h: New file.
1643 * config/rs6000/x-darwin64: Ditto.
1644 * config/rs6000/host-ppc64-darwin.c: Ditto.
1646 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1648 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1649 routines for integer division.
1651 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1653 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1655 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1658 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1660 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1662 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1663 simplify_subreg with BLKmode outer mode.
1665 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1667 * doc/invoke.texi: Minor formatting fixes in option lists.
1669 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1671 PR tree-optimization/29738
1672 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1673 (ccp_lattice_t): Remove UNKNOWN_VAL.
1674 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1675 Do not handle UNKNOWN_VAL.
1676 (get_default_value): Set initial value of virtual operands to
1678 (get_value): Always use get_default_value on uninitialized
1680 (set_value_varying, surely_varying_stmt_p): New functions.
1681 (set_lattice_value): Do not pass argument to get_value.
1682 Do not handle UNKNOWN_VAL.
1683 (likely_value): Follow the semantics described in the comment.
1684 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1685 phi nodes DONT_SIMULATE_AGAIN.
1686 (ccp_fold): Do not pass argument to get_value.
1687 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1690 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1692 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1693 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1695 2006-11-08 Roger Sayle <roger@eyesopen.com>
1697 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1698 test for inclusion rather than as a test for exclusion.
1699 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1700 the condition after calling fold_binary.
1701 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1702 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1703 * builtins.c (fold_builtin_isascii): Likewise.
1704 (fold_builtin_isdigit): Likewise.
1706 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1708 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1709 * configure: Regenerate.
1711 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1713 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1714 enum argument instead of bool.
1715 (vect_analyze_operations): Call vectorizable_type_promotion.
1716 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1717 stmt_vec_info_type value.
1718 (supportable_widening_operation, vectorizable_type_promotion): New
1719 function declarations.
1720 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1721 (vectorizable_type_promotion): New function.
1722 (vect_transform_stmt): Call vectorizable_type_promotion.
1723 * tree-vect-analyze.c (supportable_widening_operation): New function.
1724 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1726 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1729 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1730 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1731 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1733 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1734 * expr.c (expand_expr_real_1): Likewise.
1735 * optabs.c (optab_for_tree_code): Likewise.
1736 (init_optabs): Initialize new optabs.
1737 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1738 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1739 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1740 vec_unpacku_lo_optab): Initialize new optabs.
1741 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1742 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1743 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1745 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1746 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1747 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1748 (vec_unpacku_lo_optab): New optabs.
1749 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1750 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1751 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1752 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1753 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1754 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1756 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1757 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1758 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1759 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1760 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1761 implement the unsigned unpacking patterns.
1762 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1763 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1764 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1765 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1766 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1767 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1768 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1769 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1770 multiplication patterns.
1772 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1773 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1774 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1775 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1776 (rs6000_builtin_mul_widen_odd): New.
1777 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1778 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1779 * tree-vectorizer.h (enum vect_relevant): New enum type.
1780 (_stmt_vec_info): Field relevant chaned from bool to enum
1782 (STMT_VINFO_RELEVANT_P): Updated.
1783 (STMT_VINFO_RELEVANT): New.
1784 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
1785 instead of STMT_VINFO_RELEVANT_P.
1786 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
1787 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
1788 and boolean variable with enum vect_relevant.
1789 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
1790 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
1791 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1793 2006-11-08 Richard Henderson <rth@redhat.com>
1795 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
1796 vec_widen_umult_lo_v8hi): New.
1797 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
1798 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
1800 * config/i386/i386.c (ix86_expand_sse_unpack): New.
1801 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
1802 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
1803 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
1804 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
1805 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
1806 vec_unpacks_lo_v4si): New.
1808 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1810 * tree-vect-transform.c (vectorizable_type_demotion): New function.
1811 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
1812 (vect_analyze_operations): Call vectorizable_type_demotion.
1813 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
1814 stmt_vec_info_type value.
1815 (vectorizable_type_demotion): New function declaration.
1816 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1819 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
1820 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
1822 * tree-iniline.c (estimate_num_insns_1): Likewise.
1823 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1824 * optabs.c (optab_for_tree_code): Likewise.
1826 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
1827 compared against the predicate of the result is not 'mode' (the input
1828 to the function) but a mode with half the size of 'mode'.
1829 (init_optab): Initialize new optabs.
1830 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
1832 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
1834 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
1835 (vec_pack_usat_optab): Initialize new optabs.
1836 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
1837 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
1839 2006-11-08 Richard Henderson <rth@redehat.com>
1841 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
1842 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
1843 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
1844 (vec_interleave_highv4si, vec_interleave_lowv4si):
1845 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
1847 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1849 * tree-vect-transform.c (vectorizable_reduction): Support multiple
1851 (vect_transform_stmt): Removed redundant code.
1853 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1855 * tree-vect-transform.c (vectorizable_operation): Support multiple
1858 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1860 * tree-vect-transform.c (vect_align_data_ref): Removed.
1861 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
1862 Updated function documentation. Return the increment stmt in ptr_incr.
1863 (bump_vector_ptr): New function.
1864 (vect_get_vec_def_for_stmt_copy): New function.
1865 (vect_finish_stmt_generation): Create a stmt_info to newly created
1867 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
1869 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
1870 VF is greater than the number of elements that can fit in one vector
1872 (vectorizable_operation, vectorizable_condition): Likewise.
1873 (vectorizable_store, vectorizable_load): Support the case that the VF
1874 is greater than the number of elements that can fit in one vector word.
1875 (vect_transform_loop): Don't fail in case of multiple data-types.
1876 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
1877 in case of multiple data-types; the smallest type determines the VF.
1878 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
1879 if they are of different sizes.
1880 (vect_update_misalignment_for_peel): Compare misalignments in terms of
1881 number of elements rather than number of bytes.
1882 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
1883 (vect_can_advance_ivs_p): Fix a dump printout
1885 2006-11-07 Eric Christopher <echristo@apple.com>
1887 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
1888 (__bswapsi2): Ditto.
1889 * libgcc2.h: Remove transformation of bswap routines.
1890 * config/i386/i386.md (bswapsi2): New.
1893 2006-11-07 Jakub Jelinek <jakub@redhat.com>
1895 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
1896 (handle_gnu_inline_attribute): New function.
1897 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
1898 (merge_decls, start_decl, start_function): Likewise.
1899 * doc/extend.texi: Document gnu_inline attribute.
1901 2006-11-07 Steve Ellcey <sje@cup.hp.com>
1904 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
1905 _fixunstfdi, and _floatditf
1907 2006-11-06 Anatoly Sokolov <aesok@post.ru>
1909 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
1911 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
1912 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
1913 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
1914 which start in an odd register.
1916 2006-11-07 Richard Sandiford <richard@codesourcery.com>
1918 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
1920 2006-11-07 Josh Conner <jconner@apple.com>
1922 * doc/invoke.texi (fstrict-aliasing): Move implementation
1924 * doc/tree-ssa.texi (Alias analysis): ...here.
1926 2006-11-07 Richard Guenther <rguenther@suse.de>
1928 PR tree-optimization/29610
1929 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
1930 of tree_purge_dead_eh_edges as it may free dominators.
1932 * g++.dg/other/pr29610.C: New testcase.
1934 2006-11-07 David Ung <davidu@mips.com>
1936 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
1937 costs when optimizing for size.
1938 (override_options): Use mips_rtx_cost_optimize_size table for cost
1941 2006-11-07 Jie Zhang <jie.zhang@analog.com>
1943 * gcc.c (process_command): Treat -b as normal switch if its argument
1946 2006-11-07 David Ung <davidu@mips.com>
1948 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
1951 2006-11-06 Eric Christopher <echristo@apple.com>
1953 * config.gcc: Add x86_64-darwin host support.
1954 * config.host: Ditto.
1955 * config/i386/darwin64.h: New file.
1956 * config/i386/t-darwin64: Ditto.
1958 2006-11-06 Janis Johnson <janis187@us.ibm.com>
1960 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
1961 and output-exists-not.
1963 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
1966 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
1967 checking for overflow.
1969 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
1971 * configure.ac: Fixed typo in case statement: :: changed to ;;
1973 2006-11-06 Bob Wilson <bob.wilson@acm.org>
1975 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
1976 count_leading_zeros, and count_trailing_zeros.
1977 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
1978 (TARGET_FOLD_BUILTIN): Define.
1979 (TARGET_EXPAND_BUILTIN): Define.
1980 (xtensa_init_builtins): New.
1981 (xtensa_fold_builtin): New.
1982 (xtensa_expand_builtin): New.
1983 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
1984 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
1985 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
1986 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
1987 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
1988 (any_extend): New code macro.
1989 (u, su): New code attributes.
1990 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
1991 (nsau): Remove; replaced by clzsi2.
1992 (ffssi2): Use clzsi2.
1993 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
1994 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
1995 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
1996 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
1997 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
1999 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2001 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2003 * config/arm/t-strongarm-elf: Likewise.
2004 * config/arm/t-pe: Likewise.
2005 * config/arm/t-arm-elf: Likewise.
2006 * config/arm/t-xscale-elf: Likewise.
2007 * config/arm/t-arm-coff: Likewise.
2008 * config/arm/t-xscale-coff: Likewise.
2009 * config/arm/t-wince-pe: Likewise.
2011 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2013 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2016 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2019 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2022 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2025 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2026 as a valid 80387 constant.
2027 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2028 * config/i386/i386.md (unnamed splitter): Split the load of
2029 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2032 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2034 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2035 from the soft-frame, argument and virtual registers.
2037 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2039 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2040 patterns for standard 80387 constants.
2042 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2043 Steven Bosscher <steven@gcc.gnu.org>
2045 * fwprop.c: New file.
2046 * Makefile.in: Add fwprop.o.
2047 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2048 * passes.c (init_optimization_passes): Schedule forward propagation.
2049 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2051 * timevar.def (TV_FWPROP): New.
2052 * common.opt (-fforward-propagate): New.
2053 * opts.c (decode_options): Enable forward propagation at -O2.
2054 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2055 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2056 canon_for_address, table_size): Remove.
2057 (new_basic_block, insert, remove_from_table): Remove references to
2059 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2060 simplification loop more straightforward by not calling fold_rtx
2062 (equiv_constant): Move here a small part of fold_rtx_subreg,
2063 do not call fold_rtx. Call avoid_constant_pool_reference
2065 * recog.h (canonicalize_change_group): New.
2067 * doc/invoke.texi (Optimization Options): Document fwprop.
2068 * doc/passes.texi (RTL passes): Document fwprop.
2070 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2072 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2073 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2074 (grokdeclarator): Likewise.
2076 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2078 * tree-dump.c (dump_enable_all): Rename local variable
2079 ir_type to avoid name conflicts.
2080 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2081 instead of using ir_type().
2082 * profile.c (tree_register_profile_hooks): Likewise.
2083 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2084 * basic-block.h (struct edge_def): Likewise.
2085 * config/arm/arm.c (legitimize_pic_address): Likewise.
2086 * coretypes.h (ir_type): New enum of all intermediate languages
2088 * cfghooks.c (ir_type): Rename to...
2089 (current_ir_type): ...this. Distinguish between cfgrtl and
2090 cfglayout mode when the current IR is RTL. Return enum ir_type.
2091 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2093 2006-11-03 Paul Brook <paul@codesourcery.com>
2095 * config/arm/arm.c (arm_file_start): New function.
2096 (TARGET_ASM_FILE_START): Define.
2097 (arm_default_cpu): New variable.
2098 (arm_override_options): Set arm_default_cpu.
2100 2006-11-03 David Ung <davidu@mips.com>
2102 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2103 PROCESSOR_24KC and PROCESSOR_24KF.
2104 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2105 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2106 (mips_rtx_cost_data): Add costs for the 24kc.
2107 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2108 * config/mips/24k.md: Remove references to 24k and replace with
2109 uses of 24kc/24kf in the appropriate reservations.
2110 * doc/invoke.texi (MIPS Options): Updated.
2112 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2114 * config/sh/crt1.asm: Fix #ifdef indent.
2116 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2117 Merged from STMicroelectronics sources:
2118 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2119 * config/sh/crt1.asm (vbr_600): Add missing #if.
2120 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2121 * sh.opt (mfused-madd): New option.
2122 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2123 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2124 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2125 Remove pointless handler at VBR+0.
2126 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2127 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2128 fr7. Make sure the timer handler is called with the correct FPU
2129 precision setting, according to the ABI.
2130 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2131 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2132 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2133 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2134 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2135 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2136 zero as second operand.
2137 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2138 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2139 Fixed some bugs related to negative values, in particular -0
2140 and overflow at -0x80000000.
2141 * config/sh/divcost-analysis: Added sh4-300 figures.
2142 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2143 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2144 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2145 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2146 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2147 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2149 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2151 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2152 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2153 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2154 mac_mem, mem_mac, dfp_mul, fp_cmp.
2155 (insn_class, dfp_comp, any_fp_comp): Update.
2156 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2157 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2158 (muldf3_i): Likewise.
2159 (movsi_i): Split rI08 alternative into two separate alternatives.
2161 (movsi_ie, movsi_i_lowpart): Likewise.
2162 (movqi_i): Split ri alternative into two separate alternatives.
2164 * sh1.md (sh1_load_store, sh1_fp): Update.
2165 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2166 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2167 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2168 (sh4a_fp_double_arith): Likewise.
2169 * sh4-300.md: New file.
2170 * sh.c (sh_handle_option): Handle m4-300* options.
2171 (sh_adjust_cost): Fix latency of auto-increments.
2172 Handle SH4-300 differently than other SH4s. Check for new insn types.
2173 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2174 been set by an option.
2175 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2176 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2177 (mbranch-cost=): Likewise.
2178 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2180 * sh.md (mulsf3): Remove special expansion code.
2181 (mulsf3_ie): Now a define_insn_and_split.
2182 (macsf3): Allow for TARGET_SH4.
2184 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2185 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2186 (expand_cbranchdi4): Likewise.
2187 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2188 CONST_DOUBLE if the outer code is COMPARE.
2189 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2190 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2191 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2192 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2193 Remove redundant fp_{zero,one}_operand checks.
2194 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2195 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2196 (expand_cbranchdi4): Likewise.
2197 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2198 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2200 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2202 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2205 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2207 * doc/invoke.texi: Fix mfp-trap-mode typo.
2209 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2211 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2212 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2213 file_end_indicate_exec_stack.
2214 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2216 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2217 for a non-executable stack.
2218 * crti.asm: Likewise.
2219 * crtn.asm: Likewise.
2220 * libunwind.S: Likewise.
2222 2006-11-02 Ben Elliston <bje@au.ibm.com>
2224 * tree-ssa.c (warn_uninit): Use expand_location variables for
2225 locus and declaration locus.
2227 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2230 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2231 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2232 cmp{eq,gt,gtu}{si,di}_media.
2233 (*cmpne0si_media): Remove.
2234 (*movsicc_umin): Adjust gen_cmp*_media call.
2235 (unordered): Change the mode of unordered and operands[1] to
2237 (seq): Adjust gen_cmp*_media calls. Make the mode of
2238 a temporary result of compare SImode if needed. If the mode
2239 of operands[0] is DImode, extend the temporary result to DImode.
2240 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2241 (sunorderd): Change the mode of match_operand and unorderd to
2243 (cmpeq{sf,df}_media): Remove.
2244 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2245 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2246 and compare operation to SImode.
2248 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2250 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2252 (sparc64-sun-solaris2*): Likewise.
2254 2006-11-02 Paul Brook <paul@codesourcery.com>
2256 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2257 from priority argument. Use different section for non-default
2259 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2261 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2264 * except.c (switch_to_exception_section): Do not cache the section
2265 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2266 and flag_function_sections is set.
2268 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2271 * builtins.c (do_mpfr_sincos): New.
2272 (fold_builtin_1): Use it to fold builtin sincos.
2274 2006-11-01 Roger Sayle <roger@eyesopen.com>
2276 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2277 it into -D_REENTRANT.
2279 2006-11-01 Roger Sayle <roger@eyesopen.com>
2281 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2282 whether the assembler supports taking the difference of symbols in
2283 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2284 * configure: Regenerate.
2285 * config.in: Regenerate.
2286 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2287 the assembler doesn't support taking the difference of symbols in
2288 different sections, i.e. we're using the native solaris assembler.
2290 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2291 Peter Bergner <bergner@vnet.ibm.com>
2293 * doc/invoke.texi: Add cpu_type power6x
2294 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2295 * config.gcc: Add cpu_type power6x.
2296 * configure.ac: Add test for mf{t,f}gpr instructions.
2297 (HAVE_AS_MFPGPR): New.
2298 * config.in: Regenerate.
2299 * configure: Regenerate.
2300 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2301 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2302 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2303 and mftgpr attributes.
2304 (define_attr "cpu"): Add power6.
2305 Change instruction sequences to use new attributes.
2306 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2307 (fix_truncdfsi2_mfpgpr): New.
2308 (floatsidf_ppc64_mfpgpr): New.
2309 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2310 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2311 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2312 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2313 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2314 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2315 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2316 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2317 cntlz,exts and var_delayed_compare.
2318 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2319 _ARCH_PWR6X, if features enabled.
2320 * config/rs6000/rs6000.opt (mmfpgpr): New.
2321 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2322 (cached_can_issue_more): New variable.
2323 (processor_costs): Add power6_cost.
2324 (rs6000_sched_init): New function.
2325 (is_dispatch_slot_restricted): Deleted.
2326 (set_to_load_agen): New function.
2327 (is_load_insn,is_store_insn): New functions.
2328 (adjacent_mem_locations): New function.
2329 (insn_must_be_first_in_group): New function.
2330 (insn_must_be_last_in_group): New function.
2331 (rs6000_sched_reorder): New function.
2332 (rs6000_sched_reorder2): New function.
2333 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2334 TARGET_SCHED_REORDER2): Define.
2335 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2336 Add power6x. Add MASK_MFPGPR for power6x.
2337 (POWERPC_MASKS): Add MASK_MFPGPR.
2338 (rs6000_override_options): Set rs6000_always_hint to false
2339 for power6. Set rs6000_align_branch_targets. Replace
2340 rs6000_sched_groups check with rs6000_align_branch_targets.
2341 Use PROCESSOR_POWER6.
2342 (last_scheduled_insn): New variable.
2343 (load_store_pendulum): New variable.
2344 (rs6000_variable_issue): Set last_scheduled_insn and
2345 cached_can_issue_more.
2346 (rs6000_adjust_cost): Add power6 cost adjustments.
2347 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2348 with insn_must_be_first_in_group. Add power6 priority adjustments.
2349 (rs6000_issue_rate): Add CPU_POWER6.
2350 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2351 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2352 (TARGET_MFPGPR): New.
2353 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2354 (ASM_CPU_SPEC): Add power6x.
2355 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2357 * config/rs6000/power6.md: New file.
2359 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2361 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2362 HOST_WIDE_INT_PRINT to print high and low parts. Use
2363 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2364 printing a hexadecimal number prefix it with 0x.
2366 2006-11-01 Chris Johns <chris@contemporary.net.au>
2369 * Makefile.in (install-driver): Use exeext when installing
2370 $target-gcc-$version.
2372 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2374 * c-common.c (flag_cpp0x): New.
2375 * c-common.h (flag_cpp0x): New.
2376 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2377 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2378 * c-opts.c (set_std_cxx0x): New.
2379 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2380 * c.opt (std=c++0x): Document.
2381 (std=gnu++0x): Ditto.
2382 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2383 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2385 2006-11-01 Richard Guenther <rguenther@suse.de>
2387 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2389 (ix86_expand_floorceildf_32): Likewise.
2390 (ix86_expand_floorceil): Likewise.
2391 (ix86_expand_trunc): Likewise.
2393 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2395 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2398 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2400 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2402 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2404 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2406 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2407 * configure.ac (use_cxa_atexit): As a special case, don't test
2408 for libc definition of __cxa_atexit on mingw32
2409 * configure: Regenerate.
2410 * config.gcc (i[34567]86-pc-mingw32): Default to
2411 enable__cxa_atexit=yes.
2413 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2415 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2417 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2420 * c-decl.c (start_struct): Don't create self-containing
2422 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2424 * config/rs6000/rs6000-protos.h
2425 (darwin_rs6000_special_round_type_align): New.
2426 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2427 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2429 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2431 * toplev.c (compile_file): Call final_write_globals
2432 even if there have been errors.
2434 2006-10-31 Eric Christopher <echristo@apple.com>
2435 Falk Hueffner <falk@debian.org>
2437 * doc/extend.texi (__builtin_bswap32): Document.
2438 (__builtin_bswap64): Ditto.
2439 * doc/libgcc.texi (bswapsi2): Document.
2441 * doc/rtl.texi (bswap): Document.
2442 * optabs.c (expand_unop): Don't widen a bswap.
2443 (init_optabs): Init bswap. Set libfuncs explicitly
2444 for bswapsi2 and bswapdi2.
2445 * optabs.h (OTI_bswap): New.
2446 (bswap_optab): Ditto.
2447 * genopinit.c (optabs): Handle bswap_optab.
2448 * tree.h (tree_index): Add TI_UINT32_TYPE and
2450 (uint32_type_node): New.
2451 (uint64_type_node): Ditto.
2452 * tree.c (build_common_tree_nodes_2): Initialize
2453 uint32_type_node and uint64_type_node.
2454 * builtins.c (expand_builtin_bswap): New.
2455 (expand_builtin): Call.
2456 (fold_builtin_bswap): New.
2457 (fold_builtin_1): Call.
2458 * fold-const.c (tree_expr_nonnegative_p): Return true
2460 * builtin-types.def (BT_UINT32): New.
2462 (BT_FN_UINT32_UINT32): Ditto.
2463 (BT_FN_UINT64_UINT64): Ditto.
2464 * builtins.def (BUILT_IN_BSWAP32): New.
2465 (BUILT_IN_BSWAP64): Ditto.
2466 * rtl.def (BSWAP): New.
2467 * genattrtab.c (check_attr_value): New.
2468 * libgcc2.c (__bswapSI2): New.
2469 (__bswapDI2): Ditto.
2470 * libgcc2.h (__bswapSI2): Declare.
2471 (__bswapDI2): Ditto.
2472 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2473 * simplify-rtx.c (simplify_const_unary_operation): Return
2475 * libgcc-std.ver (__bwapsi2): Add.
2476 (__bswapdi2): Ditto.
2477 * reload1.c (eliminate_regs_1): Add bswap.
2478 (elimination_effects): Ditto.
2479 * config/i386/i386.h (x86_bswap): New.
2480 (TARGET_BSWAP): Use.
2481 * config/i386/i386.c (x86_bswap): Set.
2483 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2485 * coverage.c (coverage_checksum_string): Update comment.
2486 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2487 of get_file_function_name.
2488 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2489 of get_file_function_name_long.
2490 * tree.c (get_file_function_name): Rename from
2491 get_file_function_name_long; improve comment; handle 'I' and 'D'
2492 specially when the target has ctor/dtor support; remove special
2494 (get_file_function_name): Remove.
2495 * tree.h (get_file_function_name): Rename from
2496 get_file_function_name_long.
2497 (get_file_function_name): Remove prototype.
2499 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2501 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2502 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2504 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2505 Call dsymutil when compiling and linking one or more source files
2508 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2511 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2513 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2515 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2516 inline static functions in c99 mode.
2519 * doc/extend.texi (Inline): Update.
2520 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2521 * c-decl.c (current_extern_inline): Delete.
2522 (pop_scope): Adjust test for an undefined nested function.
2523 Add warning about undeclared inline function.
2524 (diagnose_mismatched_decls): Update comments. Disallow overriding
2525 of inline functions in a translation unit in C99. Allow inline
2526 declarations in C99 at any time.
2527 (merge_decls): Boolize variables. Handle C99 'extern inline'
2529 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2530 C99 inline semantics.
2531 (start_function): Don't clear current_extern_inline. Don't set
2533 (c_push_function_context): Don't push current_extern_inline.
2534 (c_pop_function_context): Don't restore current_extern_inline.
2537 * c-typeck.c (build_external_ref): Warn about static variables
2538 used in extern inline functions.
2539 * c-decl.c (start_decl): Warn about static variables declared
2540 in extern inline functions.
2542 2006-10-31 Roger Sayle <roger@eyesopen.com>
2545 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2546 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2547 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2548 or y is an even integer.
2550 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2553 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2554 * gthr-posix95.h (__gthread_active_p): Likewise.
2556 2006-10-31 Richard Guenther <rguenther@suse.de>
2558 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2559 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2560 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2561 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2562 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2563 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2564 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2565 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2568 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2570 * opts.c (decode_options): Disable CSE skip blocks.
2572 2006-10-30 Dirk Mueller <dmueller@suse.de>
2574 * c-common.h (strict_aliasing_warning): Fix whitespace.
2575 * c-decl (start_function): Move code for main decl warning ..
2576 * c-common.c (check_main_parameter_types): .. here.
2577 * c-common.h (check_main_parameter_types): Declare.
2579 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2582 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2584 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2586 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2587 be a PARALLEL containing sets. Return false when out_pat is not
2590 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2592 * config/mips/mips.md (mul<mode>3): Split into...
2593 (mulsi3, muldi3): ...these separate patterns.
2595 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2597 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2598 but with each set of options separated by spaces.
2600 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2602 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2603 dwarf_reg_size_table has been initialized.
2605 2006-10-30 Roger Sayle <roger@eyesopen.com>
2607 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2608 * ddg.c (print_ddg_edge): Likewise.
2609 * dwarf2out.c (prune_unused_types_walk): Likewise.
2610 * ifcvt.c (noce_try_cmove_arith): Likewise.
2611 * langhooks.c (add_builtin_function): Likewise.
2612 * reg-stack.c (subst_stack_regs_pat): Likewise.
2613 * tree.c (expanded_location): Likewise.
2614 * tree-dump.c (dequeue_and_dump): Likewise.
2616 2006-10-30 David Daney <ddaney@avtrex.com>
2618 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2620 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2622 PR tree-optimization/29637
2623 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2624 of the innertype is the innertype itself.
2626 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2628 * dwarf2out.c (file_name_acquire): Correct typo.
2630 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2632 * tree.h (tree_value_handle): Remove struct value_set declaration.
2633 Change value_set to bitmap_set.
2634 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2635 * tree-vn.c (get_value_handle): Made inline and moved to
2637 * tree-flow-inline.h: (has_stmt_ann): New function.
2638 * tree-ssa-pre.c (expressions): New variable.
2639 (next_expression_id): Ditto.
2640 (alloc_expression_id): New function.
2641 (struct value_set): Remove.
2642 (get_expression_id): New function.
2643 (get_or_alloc_expression_id): Ditto.
2644 (expression_for_id): Ditto.
2645 (clear_expression_ids): Ditto.
2646 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2647 (bb_value_sets): Renamed to bb_bitmap_sets.
2648 All value sets replaced with bitmap_sets.
2650 (BB_VISITED): New macro.
2651 (postorder): New variable.
2652 (add_to_value): Removed.
2653 (value_exists_in_set_bitmap): Ditto.
2654 (value_insert_into_set_bitmap): Ditto.
2657 (set_remove): Ditto.
2658 (set_contains_value): Ditto.
2659 (insert_into_set): Ditto.
2661 (find_leader): Ditto.
2662 (bitmap_set_subtract_from_value_set): Ditto.
2663 (value_insert_into_set): Ditto.
2664 (print_value_set): Ditto.
2665 (debug_value_set): Ditto.
2666 (constant_expr_p): New function.
2667 (bitmap_remove_from_set): Ditto.
2668 (bitmap_insert_into_set): Ditto.
2669 (bitmap_set_free): Ditto.
2670 (vh_compare): Ditto.
2671 (sorted_array_from_bitmap_set): Ditto.
2672 (bitmap_set_subtract): Ditto.
2673 (bitmap_set_equal): Ditto.
2674 (debug_bitmap_set): Ditto.
2675 (find_leader_in_sets): Ditto.
2676 (bitmap_set_replace_value): Modify for bitmapped sets.
2677 (phi_translate): Ditto.
2678 (phi_translate_set): Ditto.
2679 (bitmap_find_leader): Ditto.
2680 (valid_in_sets): Ditto.
2681 (union_contains_value): Ditto.
2683 (compute_antic_aux): Ditto. Mark changed blocks.
2684 (compute_antic): Ditto. Iterate in postorder and only over
2686 (compute_rvuse_and_antic_safe): Reuse postorder.
2687 (create_component_ref_by_pieces): Modify for bitmapped sets.
2688 (find_or_generate_expression): Ditto.
2689 (create_expression_by_pieces): Ditto.
2690 (insert_into_preds_of_block): Ditto.
2691 (changed_blocks): New variable.
2692 (do_regular_insertion): Broken out from insert_aux.
2693 (insert_aux): Modified for bitmapped sets.
2694 (find_existing_value_expr): New function.
2695 (create_value_expr_from): Use it.
2696 (insert_extra_phis): Removed.
2697 (print_bitmap_set): Renamed from bitmap_print_value_set.
2698 (compute_avail): Handle RETURN_EXPR.
2699 (init_pre): Modify for bitmapped sets.
2700 * tree-flow.h (has_stmt_ann): New function.
2702 2006-10-29 Roger Sayle <roger@eyesopen.com>
2704 * builtins.c (fold_builtin_floor): Check for the availability of
2705 the C99 trunc function before transforming floor into trunc.
2707 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2709 * builtins.c (fold_builtin_hypot): Rearrange recursive
2710 transformation before others, and also do ABS_EXPR. When
2711 necessary, check flag_unsafe_math_optimizations. When necessary,
2714 2006-10-29 Roger Sayle <roger@eyesopen.com>
2716 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2717 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2718 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2719 Fold -X eq/ne -Y as X eq/ne Y.
2721 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2723 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2724 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2725 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2726 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2727 Use an inclusive test for "mult" rather than "mul".
2728 (rotr<mode>3): Depend on ISA_HAS_ROR.
2729 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2731 (GENERATE_MULT3_DI): Delete.
2732 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2733 (ISA_HAS_MUL3): New macro.
2734 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2735 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2736 (ISA_HAS_CLZ_CLO): Likewise.
2737 (ISA_HAS_DCLZ_DCLO): Delete.
2738 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2739 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2740 the VR4120 and VR4130.
2741 (ISA_HAS_MACCHI): Use consistent formatting.
2742 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2743 (ISA_HAS_ROR): ...this new macro.
2744 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2745 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2746 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2748 2006-10-29 Roger Sayle <roger@eyesopen.com>
2750 PR tree-optimization/15458
2751 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2754 2006-10-29 Richard Guenther <rguenther@suse.de>
2756 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2757 (ix86_expand_truncdf_32): Likewise.
2758 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2759 trunc inline for SSE math and -fno-trapping-math and if not
2760 optimizing for size.
2761 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2762 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2763 for expanding btrunc inline for SSE math.
2765 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2767 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2768 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2769 i[34567]86-*-solaris2.1[0-9]*.
2770 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2771 Define conditionally depending on TARGET_64BIT_DEFAULT.
2772 (SPEC_32, SPEC_64): Define.
2773 (LINK_SPEC): Use them.
2774 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2776 2006-10-29 Richard Guenther <rguenther@suse.de>
2778 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2779 (ix86_expand_rounddf_32): Likewise.
2780 * config/i386/i386.c (ix86_expand_round): New function expanding
2781 round inline for SSE math and -fno-trapping-math and if not
2782 optimizing for size.
2783 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
2784 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
2785 round via ix86_expand_round.
2787 2006-10-29 Richard Guenther <rguenther@suse.de>
2789 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
2790 (ix86_expand_floorceildf_32): Likewise.
2791 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
2792 static helper function.
2793 (ix86_expand_floorceil): Expander for floor and ceil to SSE
2795 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
2796 * config/i386/i386.md (floordf2): Adjust to enable floor
2797 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
2798 -fno-trapping-math is enabled and if not optimizing for size.
2799 (floorsf2, ceildf2, ceilsf2): Likewise.
2800 * config/i386/sse.md (sse_maskcmpsf3): New insn.
2801 (sse2_maskcmpdf3): Likewise.
2803 2006-10-29 Richard Guenther <rguenther@suse.de>
2805 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
2806 rint in case -fno-trapping-math is enabled.
2807 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
2808 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
2809 (ix86_expand_sse_fabs): Likewise.
2810 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
2811 * config/i386/i386.md (rintdf2): Enable for SSE math if
2812 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
2813 (rintsf2): Likewise.
2815 2006-10-29 Richard Guenther <rguenther@suse.de>
2817 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
2818 to conversion optabs.
2819 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
2820 as conversion optab.
2821 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
2822 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
2823 (lfloor_optab, lceil_optab): Adjust defines.
2824 * builtins.c (expand_builtin_int_roundingfn): Adjust for
2825 lfloor and lceil optabs now being conversion optabs.
2826 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
2827 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
2828 New static helper function.
2829 (ix86_expand_lfloorceil): New function to expand lfloor and
2831 * config/i386/i386.md (lfloor<mode>2): Split into ...
2832 (lfloorxf<mode>2): ... x87 variant
2833 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
2834 using ix86_expand_lfloorceil.
2835 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
2837 * doc/md.texi (lfloorMN, lceilMN): Document.
2839 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2841 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
2842 -mno-shared assembler option on mips targets.
2843 * configure, config.in: Regenerate.
2844 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
2845 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
2846 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
2848 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2850 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
2851 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
2853 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
2855 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
2856 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
2859 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2862 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
2863 (fold_builtin_pow): Evaluate constant arguments at compile-time
2865 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
2866 (do_mpfr_ckconv): New helper function.
2867 (do_mpfr_arg1): Use do_mpfr_ckconv.
2868 (do_mpfr_arg2): New.
2870 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2873 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
2874 (-fdump-rtl-sched): Rename to ..
2875 (-fdump-rtl-sched1): here. Also fix file extension number.
2877 2006-10-28 Richard Guenther <rguenther@suse.de>
2879 * fold-const.c (maybe_canonicalize_comparison): Fix code
2882 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2884 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
2885 (NON_QI_REG_P): Use IN_RANGE.
2886 (REX_INT_REGNO_P): Use IN_RANGE.
2887 (FP_REGNO_P): Use IN_RANGE.
2888 (SSE_REGNO_P): Use IN_RANGE.
2889 (REX_SSE_REGNO_P): Use IN_RANGE.
2890 (MMX_REGNO_P): Use IN_RANGE.
2891 (STACK_REGNO_P): New macro.
2892 (STACK_REG_P): Use STACK_REGNO_P.
2893 (NON_STACK_REG_P): Use STACK_REGNO_P.
2894 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
2895 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
2896 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
2897 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
2898 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
2900 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
2902 * except.h (output_function_exception_table): Add 'const char*' param.
2903 * except.c (switch_to_exception_section): Add 'const char*' param.
2904 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2905 and flag_function_sections is set, use a function-specific section.
2906 (output_function_exception_table): Add 'const char*' param.
2907 Adjust call to switch_to_exception_section.
2908 * final.c (rest_of_handle_final): Adjust calls to
2909 output_function_exception_table.
2910 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
2911 * config.in: Regenerate.
2912 * configure: Likewise.
2914 2006-10-28 Richard Guenther <rguenther@suse.de>
2917 * fold-const.c (maybe_canonicalize_comparison_1): Helper
2918 for maybe_canonicalize_comparison.
2919 (maybe_canonicalize_comparison): New function for canonicalizing
2921 (fold_comparison): Call it to canonicalize comparisons with
2924 2006-10-28 Richard Guenther <rguenther@suse.de>
2927 * builtins.c (expand_builtin_int_roundingfn_2): Expand
2928 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
2929 (expand_builtin): Adjust likewise.
2930 * genopinit.c (optabs[]): Add lround optab.
2931 * optabs.c (init_optabs): Initialize lround_optab.
2932 * optabs.h (enum convert_optab_index): Add COI_lround.
2933 (lround_optab): Define.
2934 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
2935 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
2937 (ix86_expand_lround): New function.
2938 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
2940 * doc/md.texi (lroundMN2): Document.
2942 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2945 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
2946 argument to HOST_WIDE_INT. Update function prototype.
2947 (round_frame_size): Change return type to HOST_WIDE_INT. Change
2948 "size" argument to HOST_WIDE_INT. Update function prototype.
2950 2006-10-28 Uros Bizjak <uros@kss-loka.si>
2952 * config/i386/i386.c (output_387_ffreep): Create output from a
2953 template string for !HAVE_AS_IX86_FFREEP.
2955 2006-10-27 Eric Christopher <echristo@apple.com>
2957 * config/darwin.c: Fix formatting and grammar.
2959 2006-10-27 Jan Hubicka <jh@suse.cz>
2961 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
2962 to be thrown away soon when IGNORE is set.
2963 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
2964 indicating when return value shall not be computed.
2965 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
2967 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
2969 * config/i386/i386.h (TARGET_GEODE):
2970 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
2971 (TARGET_CPU_DEFAULT_geode): New macro.
2972 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
2973 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
2974 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
2975 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
2976 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
2978 (TARGET_CPU_DEFAULT_NAMES): Add geode.
2979 (processor_type): Add PROCESSOR_GEODE.
2981 * config/i386/i386.md: Include geode.md.
2984 * config/i386/i386.c (geode_cost): New initialized global
2986 (m_GEODE, m_K6_GEODE): New macros.
2987 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
2988 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
2989 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
2990 x86_schedule): Use m_K6_GEODE instead of m_K6.
2991 (x86_movx, x86_cmove): Set up m_GEODE.
2992 (x86_integer_DFmode_moves): Clear m_GEODE.
2993 (processor_target_table): Add entry for geode.
2994 (processor_alias_table): Ditto.
2996 * config/i386/geode.md: New file.
2998 * doc/invoke.texi: Add entry about geode processor.
3000 2006-10-27 Mike Stump <mrs@apple.com>
3002 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3003 __DYNAMIC__ from here back to ...
3004 * config/darwin.h (CPP_SPEC): ... here.
3006 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3007 Nathan Sidwell <nathan@codesourcery.com>
3009 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3010 when choosing the minimum heapsize.
3012 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3014 * gcc/unwind-dw2.h: Move cfa-related variables into
3015 struct frame_state_reg_info to ensure that the CFA is properly
3016 handled when executing DW_CFA_{remember,restore}_state.
3017 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3018 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3019 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3020 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3021 gcc/config/rs6000/linux-unwind.h,
3022 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3023 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3024 Modify to use new cfa_* fields.
3026 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3028 * config/s390/s390.c (s390_init_frame_layout): Check positive
3031 2006-10-26 Ben Elliston <bje@au.ibm.com>
3033 * gimplify.c (get_name): Remove extraneous break.
3034 (gimplify_omp_for): Initialise ret with GS_OK.
3036 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3038 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3039 Add unix98.o to link line.
3041 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3044 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3045 Calculate compile-time constants using MPFR.
3046 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3047 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3049 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3051 * config/xtensa/lib2funcs.S: Use C-style comments.
3053 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3055 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3056 (file_table_relative_p): Likewise.
3057 (dwarf2out_finish): Likewise.
3058 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3060 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3062 * tree-ssa-structalias.c (intra_create_variable_infos):
3063 Don't recreate nonlocal_all if it already exists.
3065 2006-10-25 Richard Guenther <rguenther@suse.de>
3068 * optabs.h (enum optab_index): Remove OTI_lrint.
3069 (enum convert_optab_index): Add COI_lrint.
3070 (lrint_optab): Adjust.
3071 (expand_sfix_optab): Declare.
3072 * optabs.c (expand_sfix_optab): New function.
3073 (init_optabs): Init lrint_optab as conversion optab.
3074 * genopinit.c (lrint_optab): Change to a conversion optab.
3075 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3076 expansion via conversion optab.
3077 * config/i386/i386.md (*fistdi2_1): Remove
3078 flag_unsafe_math_optimizations guard.
3079 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3080 fist<mode>2_with_temp): Likewise.
3081 (lrint<mode>2): Split into...
3082 (lrintxf<mode>2): ... x87 part
3083 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3084 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3085 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3086 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3087 * doc/md.texi (lrintMN2): Document.
3089 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3092 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3093 Use inc and dec instructions for TARGET_USE_INCDEC.
3094 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3095 ("sync_double_compare_and_swap<mode>"): Likewise.
3096 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3097 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3098 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3099 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3100 ("sync_old_add<mode>"): Likewise.
3101 ("sync_lock_test_and_set<mode>"): Likewise.
3102 ("sync_lock_test_and_set<mode>"): Likewise.
3103 ("sync_add<mode>"): Likewise.
3104 ("sync_sub<mode>"): Likewise.
3105 ("sync_ior<mode>"): Likewise.
3106 ("sync_and<mode>"): Likewise.
3107 ("sync_xor<mode>"): Likewise.
3109 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3111 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3112 (remainder_optab): Define corresponding macro.
3113 (drem_optab): Remove.
3114 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3115 drem_optab initialization.
3116 * genopinit.c (optabs): Implement remainder_optab using
3117 remainder?f3 patterns. Remove drem_optab.
3118 * builtins.c (expand_builtin_mathfn_2): Handle
3119 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3120 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3121 expand_builtin_mathfn_2.
3123 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3124 depend on flag_unsafe_math_optimizations.
3126 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3127 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3128 Do not depend on flag_unsafe_math_optimizations. Use
3129 truncxf?f expander instead of truncxf?f_i387_noop.
3131 ("fpremxf4", "fprem1xf4"): Do not depend on
3132 flag_unsafe_math_optimizations.
3133 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3134 flag_unsafe_math_optimizations. Use truncxf?f expander
3135 instead of truncxf?f_i387_noop.
3137 * doc/md.texi (fmod, remainder): Document standard named pattern.
3139 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3140 David Daney <ddaney@avtrex.com>
3143 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3145 2006-10-25 Ben Elliston <bje@au.ibm.com>
3147 * doc/extend.texi (Variable Attributes): Typo fix.
3149 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3151 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3152 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3153 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3154 (FRAME_POINTER_REGNUM): Update register number to 21.
3155 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3156 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3158 * config/i386/i386.c (regclass_map): Add fpcr entry.
3159 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3161 (print_reg): Assert REGNO (x) != FPCR_REG.
3163 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3164 (DIRFLAG_REG): Renumber.
3165 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3166 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3167 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3168 hardcoded SSE register numbers.
3170 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3171 hardcoded MMX register numbers.
3173 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3176 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3177 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3179 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3180 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3181 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3182 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3184 2006-10-24 Richard Guenther <rguenther@suse.de>
3187 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3188 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3189 for deciding optimizations in consistency with fold-const.c
3190 (fold_builtin_unordered_cmp): Likewise.
3192 2006-10-24 Richard Guenther <rguenther@suse.de>
3194 * builtins.c (fold_builtin_floor): Fold floor (x) where
3195 x is nonnegative to trunc (x).
3196 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3197 nonnegative to FIX_TRUNC_EXPR.
3199 2006-10-24 Richard Guenther <rguenther@suse.de>
3201 PR tree-optimization/29567
3202 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3203 for TRUTH_NOT_EXPR. Clarify comments.
3205 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3208 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3209 at compile-time using MPFR. Change parameter VALUE to FUNC,
3211 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3212 for overflow and underflow at all times and avoid folding in
3215 2006-10-24 Ben Elliston <bje@au.ibm.com>
3217 * reload1.c: Formatting fixes.
3219 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3221 PR tree-optimization/14784
3222 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3223 * tree-ssa-structalias.c (get_constraint_for,
3224 intra_create_variable_infos): Set is_heapvar.
3225 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3226 non-heapvar pointer variables specially.
3228 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3231 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3232 fold_builtin_tan): Fold all constant arguments. Take a "type"
3233 argument as necessary.
3234 (do_mpfr_arg1): New.
3235 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3237 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3239 * config/xtensa/lib1funcs.asm: Use C-style comments.
3241 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3243 * tree.c (local_define_builtin): Replace calls to
3244 lang_hooks.builtin_function with add_builtin_function.
3245 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3247 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3249 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3250 common code to add_builtin_function.
3251 * langhooks.c (add_builtin_function): New function.
3252 (lhd_builtin_function): New function.
3253 * langhooks.h (struct lang_hooks): Change the signature of
3255 (add_builtin_function): New function.
3256 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3257 calls to lang_hooks.builtin_function with add_builtin_function.
3258 * c-common.c (decl_builtin_1): Replace calls to
3259 lang_hooks.builtin_function with add_builtin_function.
3260 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3261 lang_hooks.builtin_function with add_builtin_function.
3262 * config/frv/frv.c (def_builtin): Replace calls to
3263 lang_hooks.builtin_function with add_builtin_function.
3264 * config/s390/s390.c (s390_init_builtins): Replace calls to
3265 lang_hooks.builtin_function with add_builtin_function.
3266 * config/sparc/sparc.c (def_builtin): Replace calls to
3267 lang_hooks.builtin_function with add_builtin_function.
3268 * config/i386/i386.c (def_builtin): Replace calls to
3269 lang_hooks.builtin_function with add_builtin_function.
3270 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3271 lang_hooks.builtin_function with add_builtin_function.
3272 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3273 lang_hooks.builtin_function with add_builtin_function.
3274 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3275 Replace calls to lang_hooks.builtin_function with
3276 add_builtin_function.
3277 * config/iq2000/iq2000.c (def_builtin):
3278 Replace calls to lang_hooks.builtin_function with
3279 add_builtin_function.
3280 * config/ia64/ia64.c (def_builtin): Replace calls to
3281 lang_hooks.builtin_function with add_builtin_function.
3282 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3283 lang_hooks.builtin_function with add_builtin_function.
3284 (altivec_init_builtins): Replace calls to
3285 lang_hooks.builtin_function with add_builtin_function.
3286 * config/arm/arm.c (def_mbuiltin): Replace calls to
3287 lang_hooks.builtin_function with add_builtin_function.
3288 (arm_init_tls_builtins): Replace calls to
3289 lang_hooks.builtin_function with add_builtin_function.
3290 * config/mips/mips.c (mips_init_builtins): Replace calls to
3291 lang_hooks.builtin_function with add_builtin_function.
3292 * config/bfin/bfin.c (def_builtin): Replace calls to
3293 lang_hooks.builtin_function with add_builtin_function.
3294 * langhooks-def.h (lhd_builtin_function): New function.
3295 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3297 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3299 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3300 BUILT_IN_STRNCAT_CHK.
3302 2006-10-23 Jan Hubicka <jh@suse.cz>
3304 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3305 don't do conversion from memmove to memcpy here.
3306 (expand_builtin_bcopy, expand_builtin): Update call of
3307 expand_builtin_memmove.
3308 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3310 2006-10-23 Paul Brook <paul@codesourcery.com>
3312 * stor-layout.c (start_record_layout): maximum_field_alignment
3313 overrides STRUCTURE_SIZE_BOUNDARY.
3315 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3317 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3318 nonlocal function symbols if flag_pic.
3320 2006-10-23 Richard Guenther <rguenther@suse.de>
3324 * builtins.c (fold_binary): Remove checks for flag_wrapv
3325 and flag_trapv where negate_expr_p covers these cases.
3327 2006-10-23 Richard Guenther <rguenther@suse.de>
3330 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3331 of two on the absolute value.
3332 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3333 and negating -C does not overflow.
3335 2006-10-23 Richard Guenther <rguenther@suse.de>
3338 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3339 only if not flag_rounding_math.
3341 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3342 Kaz Kojima <kkojima@gcc.gnu.org>
3345 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3346 SImode memory reference for the source of a movua.
3347 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3348 (movua): Use an unspec instead of sign_extract. Expect the source
3349 to have mode BLKmode.
3350 (extv, insv): Use a BLKmode rather than SImode memory reference
3351 for the source of a movua.
3353 2006-10-22 Jeff Law <law@redhat.com>
3354 Richard Guenther <rguenther@suse.de>
3356 PR tree-optimization/15911
3357 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3358 (register_edge_assert_for_1): Likewise.
3359 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3360 (find_conditional_asserts): Adjust for new function signature.
3361 (find_assert_locations): Likewise.
3363 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3365 * config/i386/tmmintrin.h: Remove the duplicated content.
3367 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3369 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3370 (x86_64-*-*): Likewise.
3372 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3373 (override_options): Check SSSE3.
3374 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3375 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3376 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3377 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3378 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3379 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3380 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3381 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3382 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3383 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3384 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3385 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3386 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3387 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3388 IX86_BUILTIN_PABSD128.
3389 (bdesc_2arg): Add SSSE3.
3390 (bdesc_1arg): Likewise.
3391 (ix86_init_mmx_sse_builtins): Support SSSE3.
3392 (ix86_expand_builtin): Likewise.
3393 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3395 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3396 (UNSPEC_PSIGN): Likewise.
3397 (UNSPEC_PALIGNR): Likewise.
3398 Include mmx.md before sse.md.
3400 * config/i386/i386.opt: Add -mssse3.
3402 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3403 (ssse3_phaddwv4hi3): Likewise.
3404 (ssse3_phadddv4si3): Likewise.
3405 (ssse3_phadddv2si3): Likewise.
3406 (ssse3_phaddswv8hi3): Likewise.
3407 (ssse3_phaddswv4hi3): Likewise.
3408 (ssse3_phsubwv8hi3): Likewise.
3409 (ssse3_phsubwv4hi3): Likewise.
3410 (ssse3_phsubdv4si3): Likewise.
3411 (ssse3_phsubdv2si3): Likewise.
3412 (ssse3_phsubswv8hi3): Likewise.
3413 (ssse3_phsubswv4hi3): Likewise.
3414 (ssse3_pmaddubswv8hi3): Likewise.
3415 (ssse3_pmaddubswv4hi3): Likewise.
3416 (ssse3_pmulhrswv8hi3): Likewise.
3417 (ssse3_pmulhrswv4hi3): Likewise.
3418 (ssse3_pshufbv16qi3): Likewise.
3419 (ssse3_pshufbv8qi3): Likewise.
3420 (ssse3_psign<mode>3): Likewise.
3421 (ssse3_psign<mode>3): Likewise.
3422 (ssse3_palignrti): Likewise.
3423 (ssse3_palignrdi): Likewise.
3424 (abs<mode>2): Likewise.
3425 (abs<mode>2): Likewise.
3427 * config/i386/tmmintrin.h: New file.
3429 * doc/extend.texi: Document SSSE3 built-in functions.
3431 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3433 2006-10-22 Ira Rosen <irar@il.ibm.com>
3435 * tree-vect-transform.c (vectorizable_load): Use the type of the
3436 return value of the mask_for_load builtin to create realign_load
3439 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3441 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3444 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3446 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3447 (UNSPEC_LDDQU): This.
3448 * config/i386/sse.md (sse3_lddqu): Updated.
3450 2006-10-21 Richard Guenther <rguenther@suse.de>
3452 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3453 (expand_builtin): Use it to expand lrint instead of
3454 expand_builtin_mathfn.
3456 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3459 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3460 flag_unsafe_math_optimizations is set.
3462 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3465 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3466 patterns to use memory input operand in x87->mem->XMM
3467 reload sequences. Skip transformation for TARGET_K8.
3469 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3471 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3472 force operand1 to register if both operands are memory operands.
3473 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3474 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3475 if both operands are memory operands.
3476 (truncdfsf2): Do not force operand1 to register if both operands
3477 are memory operands.
3479 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3481 * Makefile.in (LIBS): Add $(GMPLIBS).
3482 * doc/install.texi: Update GMP and MPFR requirements.
3483 * doc/sourcebuild.texi (need_gmp): Delete.
3485 2006-10-21 Richard Guenther <rguenther@suse.de>
3487 PR tree-optimization/3511
3488 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3489 got new invariant arguments during PHI translation.
3491 2006-10-21 Richard Guenther <rguenther@suse.de>
3494 * fold-const.c (fold_comparison): Fold signed comparisons
3495 of the form X +- C1 CMP Y +- C2.
3497 2006-10-21 Richard Guenther <rguenther@suse.de>
3500 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3501 if flag_unsafe_math_optimizations is specified. We have
3502 flag_finite_math_only for that.
3503 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3504 or flag_unsafe_math_optimizations.
3506 2006-10-21 Richard Guenther <rguenther@suse.de>
3508 * builtins.c (fold_builtin_classify): Fix typo.
3510 2006-10-21 Richard Guenther <rguenther@suse.de>
3513 * simplify-rtx.c (simplify_const_relational_operation):
3514 Do not constant-fold ORDERED and UNORDERED for
3515 flag_unsafe_math_optimizations but only we do not need to
3516 honor NaNs for the given mode.
3518 2006-10-21 Richard Guenther <rguenther@suse.de>
3521 * config/i386/i386.c (classify_argument): Remove redundant
3522 walking of the BINFOs.
3523 (contains_128bit_aligned_vector_p): Likewise.
3525 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3527 * BASE-VER: Set to 4.3.0.
3529 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3531 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3532 (tree_decl_with_vis): Remove artificial_pta_var flag.
3533 * tree-flow.h (referenced_var_check_and_insert): Expose.
3534 (nonlocal_all): New prototype.
3535 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3536 (nonlocal_all): Make global.
3537 (nonlocal_lookup): Remove.
3538 (nonlocal_insert): Ditto.
3539 (create_nonlocal_var): Do not call nonlocal_insert.
3540 (get_nonlocal_id_for_type): Remove.
3541 (find_global_initializers): Mark new vars we find for renaming.
3542 (intra_create_variable_infos): Only create one nonlocal.
3543 (expand_nonlocal_solutions): Remove.
3544 (compute_points_to_sets): Don't call it.
3545 (ipa_pta_execute): Ditto.
3546 (init_alias_heapvars): Don't create nonlocal_for_type.
3547 (delete_alias_heapvars): Don't remove it.
3548 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3551 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3553 * doc/install.texi (Downloading GCC): Clarify mention of
3554 Fortran in the "full distribution" description.
3556 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3558 Fix PR tree-optimization/28778
3559 Fix PR tree-optimization/29156
3560 Fix PR tree-optimization/29415
3561 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3562 (tree_decl_with_vis): Add artificial_pta_var flag.
3563 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3564 pushed into callers.
3565 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3566 (nonlocal_all): Ditto.
3567 (struct variable_info): Add directly_dereferenced member.
3568 (var_escaped_vars): New variable.
3569 (escaped_vars_tree): Ditto.
3570 (escaped_vars_id): Ditto.
3571 (nonlocal_vars_id): Ditto.
3572 (new_var_info): Set directly_dereferenced.
3573 (graph_size): New variable
3574 (build_constraint_graph): Use graph_size.
3575 (solve_graph): Don't process constraints that cannot change the
3576 solution, don't try to propagate an empty solution to our
3578 (process_constraint): Set directly_dereferenced.
3579 (could_have_pointers): New function.
3580 (get_constraint_for_component_ref): Don't process STRING_CST.
3581 (nonlocal_lookup): New function.
3582 (nonlocal_insert): Ditto.
3583 (create_nonlocal_var): Ditto.
3584 (get_nonlocal_id_for_type): Ditto.
3585 (get_constraint_for): Allow results vector to be empty in the case
3586 of string constants.
3587 Handle results of calls properly.
3588 (update_alias_info): Update alias info stats on number and type of
3590 (find_func_aliases): Use could_have_pointers.
3591 (make_constraint_from_escaped): Renamed from
3592 make_constraint_to_anything, and changed to make constraints from
3594 (make_constraint_to_escaped): New function.
3595 (find_global_initializers): Ditto.
3596 (create_variable_info_for): Make constraint from escaped to any
3597 global variable, and from any global variable to the set of
3599 (intra_create_variable_infos): Deal with escaped instead of
3600 pointing to anything.
3601 (set_uids_in_ptset): Do type pruning on directly dereferenced
3603 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3604 (init_base_vars): Fix comment, and initialize escaped_vars.
3605 (need_to_solve): Removed.
3606 (find_escape_constraints): New function.
3607 (expand_nonlocal_solutions): Ditto.
3608 (compute_points_to_sets): Call find_escape_constraints and
3609 expand_nonlocal_solutions.
3610 (delete_points_to_sets): Don't fall off the end of the graph.
3611 (init_alias_heapvars): Initialize nonlocal_for_type and
3613 (delete_alias_heapvars): Free nonlocal_for_type and null out
3616 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3618 * fold-const.c (add_double): Rename to add_double_with_sign.
3619 Add 'unsigned_p' parameter and take it into account for the overflow.
3620 (mul_double): Rename to mul_double_with_sign.
3621 Add 'unsigned_p' parameter and take it into account for the overflow.
3622 (fold_div_compare): Call add_double_with_sign instead of add_double
3623 and mul_double_with_sign instead of mul_double, passing them the
3624 unsignedness of the type.
3625 * tree.h (add_double): Macroize.
3626 (add_double_with_sign): New prototype.
3627 (mul_double): Macroize.
3628 (mul_double_with_sign): New prototype.
3630 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3632 * config/score/crti.asm: New file.
3633 * config/score/crtn.asm: New file.
3634 * config/score/elf.h: New file.
3635 * config/score/mac.md: New file.
3636 * config/score/misc.md: New file.
3637 * config/score/mul-div.S: New file.
3638 * config/score/predicates.md: New file.
3639 * config/score/score7.md: New file.
3640 * config/score/score.c: New file.
3641 * config/score/score-conv.h: New file.
3642 * config/score/score.h: New file.
3643 * config/score/score.md: New file.
3644 * config/score/score-mdaux.c: New file.
3645 * config/score/score-mdaux.h: New file.
3646 * config/score/score-modes.def: New file.
3647 * config/score/score.opt: New file.
3648 * config/score/score-protos.h: New file.
3649 * config/score/score-version.h: New file.
3650 * config/score/t-score-elf: New file.
3651 * config.gcc: Add score*-*-* configurations(Update before).
3652 * doc/invoke.texi (Score Options): New section.
3653 * doc/md.texi (Score family): New section to document constraints.
3655 2006-10-19 Nick Clifton <nickc@redhat.com>
3657 * config/arm/arm.c: Fix spelling typo.
3659 2006-10-18 Tom Tromey <tromey@redhat.com>
3661 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3663 2006-10-18 Jan Hubicka <jh@suse.cz>
3666 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3669 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3671 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3672 TSI_SAME_STMT, since that's the desired entity.
3674 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3676 * config/s390/contraints.md: New file.
3677 * config/s390/s390-protos.h (s390_mem_constraint,
3678 s390_O_constraint_str, s390_N_constraint_str,
3679 s390_float_const_zero_p): Function prototypes added.
3680 * config/s390/s390.c (s390_extra_constraint_str,
3681 s390_const_double_ok_for_constraint_p,
3682 s390_const_ok_for_constraint_p): Functions removed.
3683 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3684 s390_float_const_zero_p): New functions.
3685 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3686 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3687 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3688 Macro definitions removed.
3689 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3690 s390_extra_constraint_str): Functions removed.
3692 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3693 Richard Sandiford <richard@codesourcery.com>
3696 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3697 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3699 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3701 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3702 (DWARF2_FRAME_REG_OUT): Likewise.
3703 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3704 (DWARF2_FRAME_REG_OUT): Likewise.
3706 2006-10-17 Paul Brook <paul@codesourcery.com>
3708 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3710 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3712 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3713 Standardize on "GNU Fortran" as the official name of the Fortran
3716 2006-10-16 Mike Stump <mrs@apple.com>
3718 * doc/invoke.texi (Darwin Options): Document -mkernel.
3719 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3721 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3722 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3723 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3724 (OS_MISSING_ALTIVEC): Add.
3725 * config/i386/i386.c (override_options): Add
3726 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3727 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3728 -mkernel, -static or -mdynamic-no-pic is given.
3729 (C_COMMON_OVERRIDE_OPTIONS): Add.
3730 * config/darwin.opt (fapple-kext): Add.
3732 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3733 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3735 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3736 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3737 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3738 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3739 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3740 (flag_mkernel): Add.
3741 (flag_apple_kext): Add.
3742 (TARGET_KEXTABI): Add.
3743 * config/darwin.c (darwin_handle_kext_attribute): Add.
3744 (DARWIN_VTABLE_P): Add.
3745 (darwin_binds_local_p): Add partial support for rebinding vtables
3747 (darwin_kextabi_p): Add.
3748 (darwin_override_options): Add.
3749 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3750 (darwin_kextabi_p): Add.
3751 (darwin_override_options): Add.
3752 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3753 __DYNAMIC__ and __STATIC__ here.
3755 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3757 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3758 Added mention of "make pdf" target, and Texinfo requirements for
3761 2006-10-16 DJ Delorie <dj@redhat.com>
3763 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3764 into the GOT in case we need a subreg of the address.
3766 2006-10-16 Richard Guenther <rguenther@suse.de>
3769 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3770 SSE builtin documentation. Document SSE2 builtins.
3772 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3774 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3775 symbol in the output file for non-shared links when -nostdlib or
3776 -nodefaultlibs isn't specified.
3778 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3779 posix thread support.
3781 2006-10-15 Jan Hubicka <jh@suse.cz>
3784 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
3785 declared always_inline even when not inlining.
3787 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
3788 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3789 Andrew Pinski <pinskia@gmail.com>
3792 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
3794 2006-10-15 Jan Hubicka <jh@suse.cz>
3795 Richard Guenther <rguenther@suse.de>
3798 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
3799 process_function_and_variable_attributes on all variables, including
3800 those discovered during cgraph construction phase.
3802 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
3804 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
3806 2006-10-14 Uros Bizjak <uros@kss-loka.si>
3808 * config/i386/athlon.md (athlon_fist): Add fisttp.
3810 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3811 Ian Lance Taylor <ian@airs.com>
3814 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
3815 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
3818 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
3820 * config/score/score.c, config/score/score.h: Fix comment
3823 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3826 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
3829 2006-10-13 Eric Christopher <echristo@apple.com>
3831 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
3833 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3836 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3837 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3838 alignment supported by 32-bit ELF.
3840 2006-10-13 Eric Christopher <echristo@apple.com>
3842 * config/darwin.c (darwin_emit_unwind_label): Strip
3843 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
3845 2006-10-13 Richard Guenther <rguenther@suse.de>
3847 PR tree-optimization/29446
3848 * tree-vrp.c (fix_equivalence_set): Remove.
3849 (extract_range_from_assert): Do not call fix_equivalence_set.
3850 (debug_value_range): Print a newline.
3851 (compare_name_with_value): For equivalence sets with
3852 inconsistent value ranges conservatively bail out.
3853 (compare_names): Likewise.
3855 2006-10-13 David Edelsohn <edelsohn@gnu.org>
3857 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
3858 and MPFR for gfortran.
3860 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
3862 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
3863 alignment supported by 32-bit ELF.
3865 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
3869 * c-typeck.c (digest_init): Always allow initializing vectors
3870 that have static storage duration with compound literals.
3871 * tree.c (build_type_attribute_qual_variant): New, based on
3872 build_type_attribute_variant.
3873 (build_type_attribute_variant): Rewrite using the former.
3874 (make_vector_type): Use build_type_attribute_qual_variant to build
3875 type variants. Use type_hash_canon on the others.
3877 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
3878 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
3880 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
3882 2006-10-12 Jan Hubicka <jh@suse.cz>
3885 * c-decl.c (c_make_fname_decl): Do not segfault in case where
3886 current_function_decl is set but current_function_scope is not.
3888 2006-10-12 Jie Zhang <jie.zhang@analog.com>
3890 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
3891 emit_insn to emit eh_return_internal instruction.
3892 (eh_return_internal): Explicitly set pc.
3894 2006-10-11 Richard Guenther <rguenther@suse.de>
3896 PR tree-optimization/28230
3897 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
3898 to the correct place.
3900 2006-10-11 Richard Guenther <rguenther@suse.de>
3903 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
3906 2006-10-10 Brooks Moses <bmoses@stanford.edu>
3908 * configure.ac: Added pdf to "Make-hooks"
3909 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
3910 targets and *.pdf file patterns in cleanup targets.
3911 * configure: Regenerated.
3913 2006-10-10 Anatoly Sokolov <aesok@post.ru>
3915 * config/avr/predicates.md: New file.
3916 * config/avr/avr.md: Include it.
3917 (REG_SP): New constant.
3918 (peepholes): Use predicates.
3919 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
3920 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
3921 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
3923 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
3925 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
3928 2006-10-10 Jakub Jelinek <jakub@redhat.com>
3931 * builtins.c (var_decl_component_p): New function.
3932 (fold_builtin_memset, fold_builtin_memory_op): Restrict
3933 single entry optimization to variables and components thereof.
3935 2006-10-10 Richard Guenther <rguenther@suse.de>
3937 PR rtl-optimization/29323
3938 * except.c (set_nothrow_function_flags): For functions
3939 that do not bind local bail out early.
3941 2006-10-10 Ben Elliston <bje@au.ibm.com>
3943 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
3946 2006-10-09 Richard Henderson <rth@redhat.com>
3948 Revert emutls patch.
3950 2006-10-09 Richard Guenther <rguenther@suse.de>
3953 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
3956 2006-10-09 Steve Ellcey <sje@cup.hp.com>
3959 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
3960 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
3961 * configure: Regenerate.
3962 * config.in: Regenerate.
3964 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
3966 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
3968 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3970 * config/mips/mips.c (mips_legitimize_tls_address): Implement
3971 all TLS models in the same way as local exec if !TARGET_ABICALLS.
3972 Remove stray newline.
3974 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3976 * config/mips/mips.c (mips_classify_symbol): Do not return
3977 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
3978 (mips_in_small_data_p): Tweak comments.
3980 2006-10-08 Richard Sandiford <richard@codesourcery.com>
3982 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
3984 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
3986 * gimplify.c, sched-int.h: Fix comment typos.
3988 * sched-int.h: Fix comment typos.
3990 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3992 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
3994 * sched-ebb.c (begin_schedule_ready): Use them.
3995 * haifa-sched.c (schedule_insn, move_insn, try_ready,
3996 add_to_speculative_block, create_check_block_twin, speculate_insn,
3997 fix_jump_move, move_block_after_check): Ditto.
3998 * sched-rgn.c (new_ready): Ditto.
4000 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4002 PR rtl-optimization/29128
4003 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4004 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4005 allow interblock movement of speculation checks.
4007 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4010 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4011 casted to integer type.
4012 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4013 if they are significantly more expensive than [reg + index] ones.
4015 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4017 PR tree-optimization/29330
4018 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4019 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4020 on newly allocated ddrs.
4021 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4022 to VEC (loop_p, heap) pointer.
4023 (compute_data_dependences_for_loop): Adjust caller.
4024 (free_dependence_relations): Free DDR_LOOP_NEST.
4026 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4027 free DEPENDENCE_RELATIONS and DATAREFS.
4030 * builtins.c (expand_builtin_sync_operation,
4031 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4032 Use convert_to_mode to handle promoted arguments.
4034 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4036 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4038 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4040 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4042 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4044 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4045 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4046 Use <modeconstraint> instead of "r" as operand 1 constraint.
4048 2006-10-06 Olivier Hainque <hainque@adacore.com>
4050 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4051 Don't recurse on the pointed-to type.
4052 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4053 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4054 types with components of variable size.
4056 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4058 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4060 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4062 PR tree-optimization/29290
4063 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4067 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4068 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4071 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4072 the number of vector elements fill the rest with zeros.
4074 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4076 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4077 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4080 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4082 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4083 unnamed pattern into subsi3. Use correct constraints/predicates.
4084 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4085 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4087 2006-10-05 Ira Rosen <irar@il.ibm.com>
4089 * doc/loop.texi: Add data references analysis description.
4091 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4093 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4095 2006-10-04 Richard Henderson <rth@redhat.com>
4096 Jakub Jelinek <jakub@redhat.com>
4098 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4099 * builtin-types.def (BT_WORD): Make unsigned.
4100 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4101 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4102 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4103 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4104 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4105 * cgraph.c (decide_is_variable_needed): Look at force_output.
4106 Recurse for emulated tls.
4107 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4108 checks redundant with decide_is_variable_needed.
4109 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4110 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4112 * expr.c (emutls_var_address): New.
4113 (expand_expr_real_1): Expand emulated tls.
4114 (expand_expr_addr_expr_1): Likewise.
4115 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4116 * output.h (emutls_finish): Declare.
4117 * toplev.c (compile_file): Call it.
4118 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4119 address before wrapping in CONST.
4120 * varasm.c (emutls_htab, emutls_object_type): New.
4121 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4122 (get_emutls_object_name, get_emutls_object_type): New.
4123 (get_emutls_init_templ_addr, emutls_decl): New.
4124 (emutls_common_1, emutls_finish): New.
4125 (assemble_variable): When emulating tls, swap decls; generate
4126 constructor for the emutls objects.
4127 (do_assemble_alias): When emulating tls, swap decl and target name.
4128 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4130 * emutls.c: New file.
4131 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4132 tls_object for real tls.
4134 2006-10-04 Zack Weinberg <zackw@panix.com>
4136 Fix bug in constraint-check generator, reported by Rask Ingemann
4138 * genpreds.c (add_constraint): Don't remove anything from the
4140 (write_tm_constrs_h): Detect whether "op" argument is used, and
4141 mark it ARG_UNUSED if it isn't.
4142 (write_insn_const_int_ok_for_constraint): Skip the part of the
4143 expression that would test whether "op" (which is not available
4144 here) is a CONST_INT.
4146 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4149 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4151 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4153 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4154 current Leopard versions.
4155 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4157 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4159 * doc/install.texi: Fix typos.
4161 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4163 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4164 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4165 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4167 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4169 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4170 arg to be struct mach_header_64* instead.
4172 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4175 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4176 side effects after the outer expression's post side effects.
4178 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4180 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4181 comments to reflect actual behavior and relationship between
4182 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4184 * doc/c-tree.texi (Working with declarations): Fix documentation
4185 of FIELD_DECL likewise.
4187 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4190 * doc/extend.texi: Add used variable attribute description.
4192 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4195 * c.opt (Woverride-init): New.
4196 * c-opts.c (c_common_post_options): Default warn_override_init to
4198 * c-typeck.c (add_pending_init, output_init_element): Warn for
4199 overriding initializers without side effects.
4200 * doc/invoke.texi (-Woverride-init): Document.
4203 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4205 PR rtl-optimization/28096
4206 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4207 assignment has already been used as a destination earlier in the block.
4209 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4211 * builtins.c (expand_builtin_setjmp): Delete.
4212 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4213 <BUILT_IN_SETJMP_SETUP>: New case.
4214 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4215 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4216 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4217 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4218 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4219 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4220 (lower_function_body): Initialize it to false. If it is set to true
4221 at the end of the processing, emit the setjmp dispatcher.
4222 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4223 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4224 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4225 on the rhs of the assignment.
4226 (lower_builtin_setjmp): New function.
4227 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4228 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4229 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4230 to detect calls that can go to non-local labels. Use specific
4231 helper to create the abnormal edges associated with them.
4232 <MODIFY_EXPR>: Likewise.
4233 (make_abnormal_goto_edges): New function extracted from...
4234 (make_goto_expr_edges): ...here. Call it for computed gotos.
4235 (simple_goto_p): Minor tweak.
4236 (tree_can_make_abnormal_goto): New predicate.
4237 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4238 (tree_purge_dead_abnormal_call_edges): New function.
4239 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4240 (tree_purge_dead_abnormal_call_edges): Likewise.
4241 (make_abnormal_goto_edges): Likewise.
4242 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4243 Purge all dead abnormal edges if the call was in the last statement.
4244 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4245 (execute_fixup_cfg): If there are non-local labels in the function,
4246 scan the basic blocks and split them at calls that can go to non-local
4247 labels or add missing abnormal call edges. Write down the CFG in the
4249 (pass_fixup_cfg): Remove TODO_dump_func flag.
4250 * unwind-sjlj.c: Poison setjmp.
4251 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4252 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4253 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4254 (DONT_USE_BUILTIN_SETJMP): Document it.
4256 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4259 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4260 to 1 when __ppc64__ is defined.
4261 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4263 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4265 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4267 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4268 * config/ia64/unwind-hpux.c: Delete.
4270 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4272 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4273 on the element before gimplifying it, instead of punting if it is of
4276 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4278 * doc/loop.texi: New file.
4279 * doc/gccint.texi: Reference loop.texi.
4280 * Makefile.in (loop.texi): Add.
4282 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4284 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4286 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4287 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4289 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4291 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4293 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4295 * doc/install.texi: Document required versions of GMP and MPFR.
4297 2006-09-27 Paul Brook <paul@codesourcery.com>
4300 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4302 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4304 * reload1.c (alter_reg): Require the alignment of the stack slot to
4305 be at least reg_max_ref_width bytes.
4306 (scan_paradoxical_subregs): Record the largest width in
4309 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4313 * tree-nested.c (struct nesting_info): Added static_chain_added.
4314 (convert_call_expr): Set static_chain_added when adding static
4315 chain. Handle OMP_PARALLEL and OMP_SECTION.
4317 2006-09-25 Matthias Klose <doko@debian.org>
4319 * doc/invoke.texi: Add missing full stop.
4321 2006-09-25 Richard Henderson <rth@redhat.com>
4323 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4324 before cgraph_function_flags_ready.
4326 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4327 Adam Nemet <anemet@caviumnetworks.com>
4329 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4330 determine_common_wider_type): New functions.
4331 (get_computation_aff): Use them to simplify arithmetic between
4332 UBASE and CBASE if they are shortened from the same type.
4334 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4337 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4338 -2147483647 - 1 instead of 0x80000000.
4340 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4342 * flags.h (HONOR_NANS): Fix typo in comment.
4344 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4346 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4348 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4352 * tree.c (merge_attributes, attribute_list_contained): If both
4353 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4355 * c-typeck.c (comptypes_internal): Don't consider aggregates
4356 in different TUs as compatible if there one set of attributes is
4357 not a subset of the other type's attributes.
4358 (composite_type): Try harder not to create a new aggregate type.
4360 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4362 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4363 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4364 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4365 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4366 than replicating condition above.
4367 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4369 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4370 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4371 the linker by default.
4373 2006-09-22 Mike Stump <mrs@apple.com>
4375 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4378 2006-09-22 Richard Guenther <rguenther@suse.de>
4381 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4382 sort of stack variables stable.
4384 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4387 * explow.c (force_reg): Set REG_POINTER flag according to
4390 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4392 PR tree-optimization/28888
4393 * tree-if-conv.c (combine_blocks): Rewritten.
4394 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4395 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4397 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4399 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4402 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4404 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4406 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4408 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4410 2006-09-21 Roger Sayle <roger@eyesopen.com>
4413 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4414 dw_fde_current_label, to be the start of the function, i.e. the same
4415 value as dw_fde_begin.
4417 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4419 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4420 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4421 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4422 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4423 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4424 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4425 (abs<mode>2, neg<mode>2): Likewise.
4426 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4427 (*mips_abs_ps): New define_insn.
4429 2006-09-20 Josh Conner <jconner@apple.com>
4432 * calls.c (expand_call): Allow reuse of structure return stack
4435 2006-09-20 Paul Brook <paul@codesourcery.com>
4437 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4440 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4442 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4443 clean up terminology.
4445 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4448 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4449 with tablejumps in them.
4451 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4454 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4455 wrap it into TARGET_EXPR.
4457 2006-09-20 Eric Christopher <echristo@apple.com>
4459 * config/i386/i386.c (x86_fisttp): Remove.
4460 * config/i386/i386.h (x86_fisttp): Ditto.
4461 (TARGET_FISTTP): Ditto.
4463 2006-09-19 Eric Christopher <echristo@apple.com>
4465 * doc/tm.texi (OBJC_JBLEN): Describe.
4466 * config/i386/darwin.h (OBJC_JBLEN): Define.
4467 * config/rs6000/darwin.h: Ditto.
4469 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4471 PR rtl-optimization/21299
4472 * reload1.c (reload): Purge invalid ASMs in the final pass.
4474 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4477 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4478 pointers as legitimate constants.
4480 2006-09-19 Paul Brook <paul@codesourcery.com>
4483 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4485 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4487 PR tree-optimization/28887
4488 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4489 component parts from the reference.
4490 (gather_memory_references_ref): Record the reference without the
4491 nonaddressable component parts.
4493 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4496 * c-opts.c (c_common_handle_option): Ignore the -std options
4497 if the input language is assembly.
4499 2006-09-17 Ira Rosen <irar@il.ibm.com>
4502 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4504 (ptr_ptr_may_alias_p): Likewise.
4505 (record_record_differ_p): New function.
4506 (base_object_differ_p): Call record_record_differ_p.
4508 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4511 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4512 away for the expr argument.
4514 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4517 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4518 before using it for dumping after vectorizing loops.
4520 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4521 Jack Howarth <howarth@bromo.med.uc.edu>
4524 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4525 skip on error_mark_node.
4526 (rs6000_darwin64_record_arg_recurse): Likewise.
4528 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4530 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4531 * doc/rtl.texi: Remove related documentation.
4533 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4535 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4538 2006-09-15 Jim Wilson <wilson@specifix.com>
4540 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4541 Handle symbol offsets same as they are handled in ia64_expand_move
4544 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4546 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4547 Add forgotten parameter to the fprintf call.
4549 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4551 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4553 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4555 * doc/contrib.texi: Add my entry.
4557 2006-09-15 Nick Clifton <nickc@redhat.com>
4559 * doc/md.texi (Processor pipeline description): Fix typo in
4560 example of how to use the absence_set directive and reword the
4561 description to make it slightly easier to read.
4563 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4565 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4566 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4567 expanding the number of iterations.
4568 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4570 * cfgrtl.c (emit_insn_at_entry): New function.
4571 * rtl.h (emit_insn_at_entry): Declare it.
4572 * integrate.c (emit_initial_value_sets): Use it.
4574 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4576 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4578 (struct loop_work and related VEC declarations): Delete.
4579 (bfin_dump_loops): Print out new member bad.
4580 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4581 (bfin_scan_loop): Don't recurse.
4582 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4583 loops. No longer need to update outer loops if the current one is
4584 found bad. Move some validitiy checks to bfin_discover_loop.
4585 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4586 but changed not to check for nesting. Also changed to use the new bad
4588 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4589 time. Use bitmap based test to discover loop nesting.
4591 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4593 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4596 2006-09-14 Richard Guenther <rguenther@suse.de>
4597 Kazu Hirata <kazu@codesourcery.com>
4599 PR middle-end/28884.
4600 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4601 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4602 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4603 with TARGET_FUNCTION_VALUE.
4605 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4608 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4610 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4612 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4615 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4618 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4621 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4623 * basic_block.h (bb_has_eh_pred): Fix comment.
4625 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4627 * flow.c (calculate_global_regs_live): Invalidate eh registers
4628 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4629 (propagate_block): Handle eh registers as if they were set at basic
4631 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4633 * global.c (global_conflicts): Make eh registers to conflict with
4634 pseudos live at basic block begin.
4635 * basic_block.h (bb_has_eh_pred): New function.
4637 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4639 PR rtl-optimization/28982
4640 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4641 index of a PRE_MODIFY or POST_MODIFY address.
4642 * reload1.c (inc_for_reload): Use find_replacement on the original
4643 base and index registers.
4645 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4647 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4648 for -Os. Update __m128 alignment requirement.
4650 2006-09-13 Jan Hubicka <jh@suse.cz>
4652 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4654 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4656 PR rtl-optimization/28243
4657 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4658 the insn to which the note was originally attached.
4660 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4661 Roger Sayle <roger@eyesopen.com>
4663 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4664 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4665 on platforms that don't use dwarf for debug info.
4667 2006-09-12 Jason Merrill <jason@redhat.com>
4670 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4671 hard_frame_pointer_rtx after using it to update the frame pointer.
4673 2006-09-12 Roger Sayle <roger@eyesopen.com>
4675 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4676 (TARGET_ASM_CLOSE_PAREN): Likewise.
4677 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4678 (TARGET_ASM_CLOSE_PAREN): Likewise.
4680 2006-09-12 Roger Sayle <roger@eyesopen.com>
4683 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4684 frame information for frames larger than 512 Kbytes on Tru64 when
4685 using the native assembler.
4687 2006-09-12 Roger Sayle <roger@eyesopen.com>
4691 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4692 and symbols. Instead use the implementation from cse.c's hash_rtx.
4694 2006-09-12 Jan Hubicka <jh@suse.cz>
4696 PR rtl-optimization/28071
4697 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4698 (vect_transform_loop): Likewise.
4699 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4700 (new_loop_vec_info): Likewise.
4701 (destroy_loop_vec_info): Likewise.
4702 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4703 (create_stmt_ann): Likewise.
4704 (create_tree_ann): Rename to ...
4705 (create_tree_common_ann): ... this one; allocate only the common part
4707 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4708 (get_value_handle): Likewise.
4709 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4710 get_tree_common_ann.
4711 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4712 (vinfo_for_stmt): Use stmt annotations.
4713 * tree-flow.h (tree_ann_common_t): New type.
4714 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4715 (tree_ann, get_tree_ann, create_tree_ann): New.
4716 * tree-flow-inline.h (get_function_ann): Do more type checking.
4717 (stmt_ann): Likewise.
4718 (tree_ann): Rename to ...
4719 (tree_common_ann): ... this one; return ony common_ann
4720 (get_tree_ann): Rename to ...
4721 (tree_common_ann): This one; return only common_ann.
4722 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4725 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4727 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4728 with_cpu by default.
4730 * dwarf2out.c (dwarf_file_data): New.
4731 (enum dw_val_class): Add dw_val_class_file.
4732 (struct dw_val_struct): Add val_file.
4733 (file_table): Change to a hash table.
4734 (file_table_emitted): Delete.
4735 (file_table_last_lookup_index): Delete.
4736 (emitcount): Delete.
4737 (last_emitted_file): New.
4738 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4739 (init_file_table): Delete.
4740 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4741 (AT_addr): Add comment.
4745 (print_die): Handle dw_val_class_file.
4746 (print_dwarf_line_table): Update for new file table structure.
4747 (attr_checksum): Do checksum a filename.
4748 (same_dw_val_p, same_attr_p): Do compare a filename.
4749 (size_of_die): Handle dw_val_class_file.
4750 (value_format): Likewise.
4751 (output_die): Likewise. Also, call maybe_emit_file here.
4752 (struct file_info): Constify filenames. Make file_idx a pointer
4753 to a struct dwarf_file_data.
4754 (struct dir_info): Constify directory names. Remove 'used' field.
4755 (struct file_name_acquire_data): New.
4756 (file_name_acquire): New.
4757 (output_file_names): Modify to handle new file data structures.
4758 (add_src_coords_attributes): Use add_AT_file.
4759 (add_call_src_coords_attributes): Likewise.
4760 (dwarf2out_imported_module_or_decl): Likewise.
4761 (gen_subprogram_die): Modify for new file data structures.
4762 (gen_variable_die): Likewise.
4763 (file_table_eq): New.
4764 (file_table_hash): New.
4765 (file_table_last_lookup): New.
4766 (lookup_filename): Rewrite to handle new file data structures.
4767 (maybe_emit_file): Rewrite to handle new file data structures.
4768 (dwarf2out_source_line): Always call lookup_filename and
4770 (dwarf2out_init): Create file_table here.
4771 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4772 (file_table_relative_p): New.
4773 (dwarf2out_finish): Change detection of relative filenames
4774 to work with new file data structures. Move output_line_info call
4775 after debug_info output.
4777 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4782 * config/i386/i386.c (override_options): Always default to 16
4783 byte stack boundary.
4785 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
4788 * var-tracking.c (dump_dataflow_set): Start dumping at
4790 (clobber_variable_part): Kill only the variable part in
4791 registers holding it, leaving other variables alone.
4793 2006-09-11 Josh Triplett <josh@freedesktop.org>
4795 * doc/extend.texi (Other Builtins): Actually use the macro
4796 argument in the documentation example for
4797 __builtin_types_compatible_p.
4799 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
4801 PR rtl-optimization/28726
4802 * sched-deps.c (sched_analyze_reg): New function extracted from...
4803 (sched_analyze_1): ...here. Call it to analyze references to
4804 registers. Treat again writes to a stack register as writing to the
4806 (sched_analyze_2): ...and here. Call it to analyze references to
4807 registers. Treat again reads of a stack register as reading the
4810 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
4811 David Edelsohn <edelsohn@gnu.org>
4814 * config/rs6000/spe.md (frob_df_di): Remove %H.
4815 (frob_di_df): Remove %H. Change evmergelo to mr.
4816 (frob_di_df_2): Remove %H. Change evldd to two loads.
4818 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
4820 * doc/cpp.texi: Fix names of charset options.
4822 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
4825 * config/i386/i386.c (override_options): Use 128-bit
4826 stack boundary always for 64bits.
4828 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
4830 PR rtl-optimization/28636
4831 * combine.c (force_to_mode): Test for side-effects before
4832 substituting by zero.
4833 (simplify_shift_const): Likewise for zero or other constants.
4835 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
4838 * builtins.c (expand_builtin_setjmp): Force next_lab to be
4841 2006-09-10 Richard Sandiford <richard@codesourcery.com>
4844 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
4845 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
4846 returned by mode_for_size, rather than the mode of src itself,
4847 to choose between 32-bit and 64-bit patterns.
4848 (mips_mem_fits_mode_p): New function.
4849 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
4850 that the size of the source matches the size of the destination.
4851 (mov_<store>l, mov_<store>r): Likewise.
4853 2006-09-10 Eric Christopher <echristo@apple.com>
4855 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
4858 2006-09-09 Eric Christopher <echristo@apple.com>
4861 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
4864 2006-09-09 Roger Sayle <roger@eyesopen.com>
4865 Nicolas Setton <setton@adacore.com>
4867 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
4869 2006-09-10 Andreas Schwab <schwab@suse.de>
4871 * config/m68k/m68k.md (bungt_rev): New pattern.
4873 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
4874 Dale Johannesen <dalej@apple.com>
4877 * regclass.c (struct reg_pref): Update documentation.
4878 (regclass): Set prefclass to NO_REGS if memory is the best option.
4879 (record_reg_classes): Cope with a prefclass set to NO_REGS.
4881 2006-09-08 Eric Christopher <echristo@apple.com>
4883 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
4884 * config/t-slibgcc-darwin: Support x86_64 multilib.
4885 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
4886 Return 1 for x86_64-darwin.
4887 * config/i386/t-darwin: Add m64 multilib.
4888 (LIB2_SIDITI_CONV_FUNCS): Use.
4889 (LIB2FUNCS_EXTRA): Ditto.
4890 * config/i386/darwin.h: Support x86_64.
4891 * config/i386/i386.c (override_options): Turn on flag_pic
4892 for x86_64-darwin. Disable flag_omit_pointer.
4893 (get_pc_thunk_name): Assert !TARGET_64BIT.
4894 (legitimate_address_p): Disable machopic addressing for
4896 (legitimize_pic_address): Ditto.
4897 (ix86_expand_move): Ditto.
4898 (ix86_expand_call): Ditto.
4899 (machopic_output_stub): Ditto.
4900 * config/darwin.c (machopic_select_section): Support literal16.
4901 (machopic_select_rtx_section): Ditto.
4902 * config/darwin-sections.def: Ditto.
4903 * config/darwin-64.c: New.
4905 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
4908 * c-tree.h (struct c_arg_info): Add pending_sizes.
4909 * c-parser.c (c_parser_parms_declarator,
4910 c_parser_parms_list_declarator): Initialize pending_sizes.
4911 * c-decl.c (get_parm_info): Initialize pending_sizes.
4912 (get_parm_info): Set pending_sizes.
4913 (grokdeclarator): Call put_pending_sizes for parameters for
4914 function definition only.
4916 2006-09-07 Jason Merrill <jason@redhat.com>
4919 * varasm.c (output_constant): Only strip actual no-op conversions.
4922 * config/i386/i386.c (override_options): Use 128-bit
4923 stack boundary if -msse.
4925 2006-09-07 Eric Christopher <echristo@apple.com>
4927 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
4929 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
4932 2006-09-07 Geoffrey Keating <geoffk@apple.com>
4934 * dwarf2out.c: Remove strange characters from comment above
4935 dwarf2out_frame_debug_expr.
4937 2006-09-07 Eric Christopher <echristo@apple.com>
4939 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
4940 * config/darwin.h: ... to here.
4942 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
4944 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
4946 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
4947 (TARGET_PARTIAL_FLAG_REG_STALL): New.
4949 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
4950 TARGET_PARTIAL_FLAG_REG_STALL.
4951 (*ashldi3_cconly_rex64): Likewise.
4952 (*ashlsi3_cmp): Likewise.
4953 (*ashlsi3_cconly): Likewise.
4954 (*ashlsi3_cmp_zext): Likewise.
4955 (*ashlhi3_cmp): Likewise.
4956 (*ashlhi3_cconly): Likewise.
4957 (*ashlqi3_cmp): Likewise.
4958 (*ashlqi3_cconly): Likewise.
4959 (*ashrdi3_cmp_rex64): Likewise.
4960 (*ashrdi3_cconly_rex64): Likewise.
4961 (*ashrsi3_cmp): Likewise.
4962 (*ashrsi3_cconly): Likewise.
4963 (*ashrsi3_cmp_zext): Likewise.
4964 (*ashrhi3_cmp): Likewise.
4965 (*ashrhi3_cconly): Likewise.
4966 (*ashrqi3_cmp): Likewise.
4967 (*ashrqi3_cconly): Likewise.
4968 (*lshrdi3_cmp_rex64): Likewise.
4969 (*lshrdi3_cconly_rex64): Likewise.
4970 (*lshrsi3_cmp): Likewise.
4971 (*lshrsi3_cconly): Likewise.
4972 (*lshrsi3_cmp_zext): Likewise.
4973 (*lshrhi3_cmp): Likewise.
4974 (*lshrhi3_cconly): Likewise.
4975 (*lshrqi2_cmp): Likewise.
4976 (*lshrqi2_cconly): Likewise.
4978 2006-09-07 Uros Bizjak <uros@kss-loka.si>
4981 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
4982 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
4983 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
4984 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
4985 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
4986 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
4987 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
4988 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
4989 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
4990 implement only CC setting effects of shift instructions.
4992 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
4994 * doc/contrib.texi: Add myself.
4996 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
4999 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5000 was set by the user.
5002 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5005 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5006 (divsi_inv_m1): Use them.
5007 (UNSPEC_DIV_INV_TABLE): New constant.
5009 2006-09-06 James E Wilson <wilson@specifix.com>
5012 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5013 then call count_or_remove_death_notes.
5015 2006-09-06 Jason Merrill <jason@redhat.com>
5018 * tree-inline.c (copy_result_decl_to_var): New fn.
5019 (declare_return_variable): Use it. Call declare_inline_vars here.
5020 (expand_call_inline): Not here.
5022 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5024 * doc/contrib.texi: Update my entry.
5026 2006-09-06 Nick Clifton <nickc@redhat.com>
5028 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5030 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5033 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5034 (canonicalize_induction_variables): Likewise.
5035 (tree_unroll_loops_completely): Likewise.
5036 (tree_ssa_prefetch_arrays): Likewise.
5037 (remove_empty_loops): Likewise.
5038 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5039 TODO_cleanup_cfg instead of directly calling
5040 cleanup_tree_cfg_loop.
5041 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5043 (tree_unroll_loops_completely): Likewise.
5044 (remove_empty_loops): Likewise.
5045 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5046 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5047 of tree_ssa_unswitch_loops.
5048 (tree_ssa_loop_ivcanon): Use the return value of
5049 canonicalize_induction_variables.
5050 (tree_ssa_empty_loop): Use the return value of
5052 (tree_complete_unroll): Use the return value of
5053 tree_unroll_loops_completely.
5054 (tree_ssa_loop_prefetch): Use the return value of
5055 tree_ssa_prefetch_arrays.
5056 * passes.c (execute_todo): Before Cleanup CFG, set
5057 updating_used_alone and after cleanup CFG, call
5058 recalculate_used_alone.
5060 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5063 * tree-vect-transform.c (vectorizable_condition): Move the check
5064 for the type after the check for simple condition.
5066 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5067 Kaz Kojima <kkojima@gcc.gnu.org>
5070 * mode-switching.c (optimize_mode_switching): Make the destination
5071 block of an abnormal edge have no anticipatable mode. Don't
5072 insert mode switching code at the end of the source block of
5075 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5077 PR rtl-optimization/26847
5078 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5079 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5080 (simplify_plus_minus): Count n_constants while filling ops. Replace
5081 qsort with insertion sort. Before going through the array to simplify
5082 pairs, sort it. Delay early exit until after the first sort, exiting
5083 only if no swaps occurred. Simplify pairs in reversed order, without
5084 special-casing the first iteration. Pack ops after simplifying pairs.
5086 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5088 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5089 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5090 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5091 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5093 2006-09-05 Richard Guenther <rguenther@suse.de>
5095 PR tree-optimization/28900
5096 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5097 compound conditional before creating COND_EXPR condition.
5099 2006-09-05 Richard Guenther <rguenther@suse.de>
5101 PR tree-optimization/28905
5102 * tree-vrp.c (fix_equivalence_set): Manually implement
5103 !value_ranges_intersect_p to also handle symbolic ranges.
5105 2006-09-05 Richard Guenther <rguenther@suse.de>
5108 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5111 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5113 PR rtl-optimization/27616
5114 * cse.c (table_size): New static variable.
5115 (new_basic_block): Initialize it to 0.
5116 (remove_from_table): Decrement it.
5117 (insert): Increment it.
5118 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5119 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5120 fold_rtx_mem_1 if under the cap.
5121 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5122 the lookup of the equivalent expression and test for equality of the
5123 first operand of the equivalent expression before in turn looking up
5124 an equivalent constant for the second operand.
5126 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5129 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5130 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5131 pointer, instead of assuming it is possible to derive the
5132 correct args size from a call insn.
5134 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5137 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5138 (fold_builtin_mempcpy): Rename to...
5139 (fold_builtin_memory_op): ... this. Optimize one element copy
5141 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5143 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5144 (expand_builtin_memcpy, expand_builtin_mempcpy,
5145 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5146 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5147 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5148 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5150 2006-09-01 DJ Delorie <dj@redhat.com>
5152 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5153 (stzx_16): Likewise.
5154 ("stzx_24_<mode>"): Likewise.
5155 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5156 ("cmp<mode>_op"): New.
5157 (cmp<mode>): Change to expander; just save operands.
5159 (b<code>): Change to expander, emit compare here.
5160 (s<code>_op): Change to use split and expander.
5161 (s<code>_24_op): Likewise.
5162 (s<code>_<mode>): New.
5163 (s<code>_<mode>_24): New.
5164 (movqicc_<code>_<mode): New.
5165 (movhicc_<code>_<mode>): New.
5168 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5169 (m32c_pend_compare): New.
5170 (m32c_unpend_compare): New.
5171 (m32c_expand_scc): New.
5172 (m32c_expand_movcc): Emit the compare also.
5173 * config/m32c/predicates.md (mra_nopp_operand): New.
5175 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5176 Richard Guenther <rguenther@suse.de>
5177 Adam Nemet <anemet@caviumnetworks.com>
5180 * builtins.c (get_pointer_alignment): Handle more forms
5181 of base addresses that can be used to derive more precise
5182 information about alignment.
5184 2006-09-01 Jason Merrill <jason@redhat.com>
5187 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5190 * gimplify.c (voidify_wrapper_expr): Handle null type.
5192 2006-09-01 Josh Conner <jconner@apple.com>
5195 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5196 (execute_return_slot_opt): Use it.
5198 2006-08-31 Josh Conner <jconner@apple.com>
5201 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5202 returning aggregates.
5204 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5206 PR tree-optimization/28839
5207 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5208 blocks in that phi arguments appear.
5210 2006-08-31 Roger Sayle <roger@eyesopen.com>
5213 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5214 NULL, otherwise use an advance_loc4 to adjust relative to the
5216 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5217 (dwarf2out_switch_text_section): Reset the current label to avoid
5218 using advance_loc4 over section boundaries.
5220 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5223 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5224 r12 + SYMBOLIC_CONST.
5226 2006-08-30 Richard Guenther <rguenther@suse.de>
5228 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5230 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5232 PR rtl-optimization/27735
5233 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5234 Add new argument to keep track of whether an irreducible region
5235 was affected. All callers changed.
5236 (fix_irreducible_loops): Removed.
5237 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5238 flags were invalidated.
5240 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5242 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5243 instead of SF operands.
5244 (*fop_df_comm_sse): Likewise.
5245 (*fop_df_comm_i387): Likewise.
5246 (*fop_df_1_mixed): Likewise.
5247 (*fop_df_1_sse): Likewise.
5249 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5250 J"orn Rennecke <joern.rennecke@st.com>
5252 PR tree-optimization/17506
5253 * tree-ssa.c (warn_uninit): If warning about a location outside of
5254 the current function, note where the variable was declared.
5256 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5258 PR tree-optimization/28411
5259 * double-int.c (double_int_div): Use double_int_divmod.
5260 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5261 double_int_mod, double_int_smod, double_int_umod): New functions.
5262 * double-int.h (double_int_divmod, double_int_sdivmod,
5263 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5265 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5267 (get_computation_aff, get_computation_cost_at): Handle double_int
5268 return type of constant_multiple_of.
5270 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5273 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5274 an implicit conversion.
5276 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5278 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5280 2006-08-27 Roger Sayle <roger@eyesopen.com>
5282 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5285 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5287 * config/i386/crtfastmath.c: Fix a comment typo.
5289 2006-08-26 Roger Sayle <roger@eyesopen.com>
5291 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5292 temporary visit flags on CASE_LABEL_EXPRs.
5293 * c-common.c (match_case_to_enum): Add function comment. Avoid
5294 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5295 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5296 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5297 a constant, only warn if that constant value isn't handled.
5299 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5302 * input.h (restore_input_file_stack): Declare.
5303 (INPUT_FILE_STACK_BITS): Define.
5304 * toplev.c (fs_p, input_file_stack_history,
5305 input_file_stack_restored, restore_input_file_stack): New.
5306 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5307 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5308 (pop_srcloc): Don't free old state of stack.
5310 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5313 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5314 (PowerPC Type Attributes): New.
5316 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5318 * config/xtensa/xtensa.c (function_arg_boundary): New.
5319 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5321 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5322 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5324 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5327 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5330 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5332 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5333 (verify_local_live_at_start): Likewise.
5335 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5338 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5339 omp_add_variable): Treat sizes as variable whenever not
5342 2006-08-26 Richard Guenther <rguenther@suse.de>
5345 * fold-const.c (fold_binary): Fold temporary to correct
5346 type before constructing new comparison.
5348 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5351 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5352 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5354 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5357 * c-decl.c (start_function): Don't try to process prototype
5358 information from old declaration that isn't a function.
5360 2006-08-25 Jan Hubicka <jh@suse.cz>
5363 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5365 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5368 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5371 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5373 PR tree-optimization/16876
5374 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5375 exit if PARM doesn't match VALUE.
5377 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5379 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5380 literal_prefix directive.
5381 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5382 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5383 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5385 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5388 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5389 predicate to general_operand. Add 0->y and I->r alternatives.
5391 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5393 * doc/tm.texi: Fix a typo.
5394 * predict.c: Fix comment typos.
5396 2006-08-25 Nick Clifton <nickc@redhat.com>
5398 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5399 assertions of "cpu" and "machine".
5401 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5404 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5405 the access through a base which has an alias set of 0 cannot
5408 2006-08-24 Bill Wendling <wendling@apple.com>
5410 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5412 2006-08-24 Jan Hubicka <jh@suse.cz>
5414 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5416 2006-08-24 Jan Hubicka <jh@suse.cz>
5419 * cgraph.c: Fix comments.
5420 (cgraph_varpool_mark_needed_node): Mark only variables not already
5422 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5423 (cgraph_varpool_assembled_nodes_queue): New static variable.
5424 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5425 (cgraph_varpool_output_debug_info): New function.
5426 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5427 * Makefile.in: Add gt-cgraphunit.h
5429 2006-08-24 Jan Hubicka <jh@suse.cz>
5431 * predict.c (probability_reliable_p): New predicate.
5432 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5433 (predict_loops): Do not predict loop exit with less than 2%
5435 * basic-block.h (edge_probability_reliable_p,
5436 br_prob_note_reliable_p): Declare.
5437 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5438 prediction when static predictor is not reliable.
5439 * rs6000.c (output_cbranch): Likewise.
5441 2006-08-23 Stuart Hastings <stuart@apple.com>
5444 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5445 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5447 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5450 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5451 complex values, nor for generic vector values.
5453 2006-08-22 Richard Guenther <rguenther@suse.de>
5456 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5457 parameter. Convert arguments to arithmetic expression to the
5459 (analyze_scalar_evolution_1): Adjust caller.
5461 2006-08-22 Jan Hubicka <jh@suse.cz>
5463 Patch by Paolo Bonzini
5464 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5467 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5469 PR tree-optimization/28003
5470 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5471 before grouping aliases.
5473 2006-08-22 Roger Sayle <roger@eyesopen.com>
5475 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5476 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5478 2006-08-21 Jason Merrill <jason@redhat.com>
5481 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5482 wrapper. Loop to handle nested wrappers.
5483 (gimplify_bind_expr): Remove temp parameter.
5484 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5485 and STATEMENT_LIST on the rhs.
5486 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5487 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5488 (gimplify_target_expr): Remove special BIND_EXPR handling.
5490 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5492 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5495 2006-08-21 Olivier Hainque <hainque@adacore.com>
5497 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5498 Arrange for the temporary captures of components overlapping the lhs
5499 to happen before the lhs is possibly cleared.
5501 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5503 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5504 necessary places to pass the correct "number of registers" values
5507 2006-08-20 Jan Hubicka <jh@suse.cz>
5509 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5510 (create_name_tags): Instead of quadratic checking use hashtable.
5511 * bitmap.h: Include hashtab.h.
5512 (bitmap_hash): Declare.
5513 * bitmap.c (bitmap_hash): New function.
5515 2006-08-20 Jan Hubicka <jh@suse.cz>
5517 PR rtl-optimization/28071
5518 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5520 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5521 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5522 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5523 cgraph_decide_inlining_incrementally): Update use of
5524 cgraph_check_inline_limits.
5525 * cgraph.c (edge_hash, edge_eq): New function.
5526 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5527 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5528 cgraph_remove_node): Maintain call site hash.
5529 * cgraph.h (struct cgraph_node): Add call_site_hash.
5530 (cgraph_set_call_stmt): New function.
5532 2006-08-20 Jan Hubicka <jh@suse.cz>
5534 PR rtl-optimization/28071
5535 * reload1.c (reg_has_output_reload): Turn into regset.
5536 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5537 choose_reload_regs, emit_reload_insns): Update to new
5538 reg_has_output_reload.
5540 2006-08-20 Jan Hubicka <jh@suse.cz>
5543 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5544 function body sizes.
5545 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5547 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5550 * tree.c (handle_dll_attribute): Return early if not a
5551 var or function decl.
5553 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5556 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5557 alignment of SPE vector types.
5559 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5561 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5563 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5566 * cgraph.h (struct cgraph_node): Remove externally_visible
5568 * cgraphunit.c (process_function_and_variable_attributes): Set
5569 local.externally_visible rather than externally_visible.
5572 * c-common.c (handle_externally_visible_attribute): First look
5573 at TREE_CODE and only if it is function or var decl, check for
5574 non-public objects. Don't warn for DECL_EXTERNAL.
5575 * cgraphunit.c (process_function_and_variable_attributes): Warn
5576 if externally_visible attribute is used on non-public object.
5578 2006-08-17 Jan Hubicka <jh@suse.cz>
5580 PR tree-optimization/27865
5581 * reload1.c (forget_marked_reloads): New function.
5582 (forget_old_reloads_1): When data are passed, just mark the registers
5584 (reload_as_needed): Use the new mechanizm.
5586 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5589 * reload.h (reg_equiv_alt_mem_list): New declaration.
5590 * reload1.c (reg_equiv_alt_mem_list): New definition.
5591 (reload): Initialize it and release it.
5592 (delete_output_reload): Use it.
5593 * reload.c (push_reg_equiv_alt_mem): New function.
5594 (find_reloads_toplev): Call it.
5595 (find_reloads_address, find_reloads_address_1): Likewise.
5596 (find_reloads_subreg_address): Likewise.
5598 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5600 PR rtl-optimization/28489
5601 * sched-ebb.c (begin_schedule_ready): Create basic block
5603 (advance_target_bb): Skip empty blocks.
5604 * haifa-sched.c (bb_note): Make global.
5605 * sched-int.h (bb_note): Add prototype.
5607 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5609 PR tree-optimization/27865
5610 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5612 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5613 fold_used_pointer, pointer_used_p): New functions.
5614 (analyze_scalar_evolution_1): Use fold_used_pointer.
5615 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5616 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5619 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5622 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5623 or the INTEGER_CST. Fail on a CALL_EXPR.
5624 (fold_offsetof): Pass new argument to fold_offsetof_1.
5625 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5626 operand into an INDIRECT_REF.
5627 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5629 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5631 PR gcov/profile/26570
5632 * value-prof.c (static_values): Removed.
5633 (tree_find_values_to_profile): Do not set static_values.
5634 (find_values_to_profile): Do not free static_values.
5635 * profile.c (instrument_values): Do not free the values.
5636 (branch_prob): Free the values.
5638 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5640 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5642 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5645 * c-typeck.c (build_component_ref): Combine qualifiers of
5646 structure or union and field.
5648 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5650 PR rtl-optimization/28071
5651 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5652 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5653 * tree-into-ssa.c (struct dom_dfsnum): New.
5654 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5656 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5657 compute_global_livein.
5658 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5659 in phi nodes in the correct blocks.
5661 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5663 PR tree-optimization/28364
5664 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5666 (fold_affine_expr): New function.
5667 (may_eliminate_iv): Use fold_affine_expr.
5669 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5672 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5675 2006-08-16 Mike Stump <mrs@apple.com>
5677 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5678 * doc/cppopts.texi (-MD): Likewise.
5680 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5683 * c-common.c (handle_weak_attribute): Ignore and warn if
5684 not a FUNCTION_ or VAR_DECL.
5686 2006-07-15 Mike Stump <mrs@apple.com>
5689 * c-parser.c (c_parser_typeof_specifier): Don't use
5690 c_finish_expr_stmt, open code desired semantics instead.
5692 2006-08-15 Nick Clifton <nickc@redhat.com>
5694 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5695 fragment to tmake_file only if threads are enabled.
5696 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5697 * config/i386/t-gthr-win32: New file. ... here.
5699 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5702 * c-parser.c (c_parser_compound_statement_nostart): Reset
5703 parser->error after each statement.
5705 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5708 * omp-low.c (lower_omp_parallel): Convert t to
5709 receiver_decl's type.
5710 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5711 source before comparison.
5714 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5715 to itype in assignment to oldival2.
5717 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5721 * c-typeck.c (build_compound_expr): If the second expression
5722 is an error mark, then just return an error mark instead of
5723 creating a COMPOUND_EXPR.
5725 2006-07-14 Mike Stump <mrs@apple.com>
5727 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5729 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5731 * c-decl.c, var-tracking.c: Fix comment typos.
5733 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5735 PR rtl-optimization/28634
5736 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5737 for floating-point modes unless flag_unsafe_math_optimizations.
5739 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5740 Andrew Pinski <pinskia@physics.uc.edu>
5743 * tree.c (build_array_type): Unify array types with
5744 unspecified index_type.
5745 * c-decl.c (grokdeclarator): Make sure we do not modify a
5746 unified incomplete array type.
5747 * c-typeck.c (store_init_value): Create distinct type before
5748 filling in the index type in an initializer from a compound
5751 * c-decl.c (grokdeclarator): Remove code where we copy the
5754 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5756 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5757 into account for TODO_dump_cgraph.
5758 (TODO_update_ssa_no_phi): Likewise.
5759 (TODO_update_ssa_full_phi): Likewise.
5760 (TODO_update_ssa_only_virtuals): Likewise.
5761 (TODO_remove_unused_locals): Likewise.
5762 (TODO_set_props): Likewise.
5763 (TODO_update_stmt_usage): Likewise.
5765 2006-08-13 Dirk Mueller <dmueller@suse.de>
5767 * c-common.c (strict_aliasing_warning): Fix formatting.
5769 2006-08-13 Matthias Klose <doko@debian.org>
5771 * doc/invoke.texi: Fix spelling errors.
5773 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5775 PR rtl-optimization/23454
5776 * reorg.c (relax_delay_slots): Update comment.
5778 2006-08-11 Richard Guenther <rguenther@suse.de>
5781 * simplify-rtx.c (simplify_const_relational_operation):
5782 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
5785 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
5787 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
5788 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
5790 2006-08-10 Paul Brook <paul@codesourcery.com>
5792 * final.c (final_scan_insn): Clear current_insn_predicate before
5793 outputting inline asm.
5795 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
5797 PR tree-optimization/26197
5798 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
5799 get_ref_base_and_extent and overlap_subvar to add only relevant
5800 subvars as may-aliases.
5801 (add_may_alias_for_new_tag): New function, factored out of
5803 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
5804 with additional argument.
5805 * tree-flow.h (new_type_alias): Takes additional argument.
5807 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
5809 * gcov.c (no_data_file): New flag.
5810 (read_count_file): Set it if data file not present. Assume counts
5812 (output_lines): Don't name the data file, if there wasn't one.
5814 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
5816 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
5817 (rs6000_generate_compare): Tweak comments.
5818 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
5820 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
5822 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
5823 (var_debug_decl): New function.
5824 (var_reg_set): Follow debug decl link. Add location even if
5825 reg is already known to hold some other variable.
5826 (var_mem_set): Follow debug decl link.
5827 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
5828 decl link. Delete other known locations of the variable part
5830 (var_reg_delete, var_mem_delete): Delete other known locations
5831 of the variable part if requested.
5832 (same_variable_part_p): New function.
5833 (add_stores): Select MO_COPY when appropriate.
5834 (vt_initialize): Handle it.
5835 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
5836 known locations for MO_SET and MO_CLOBBER.
5837 (find_variable_location_part): New function.
5838 (set_variable_part, delete_variable_part): Use it.
5839 (clobber_variable_part): New function.
5840 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
5843 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
5845 PR tree-optimization/26969
5846 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
5847 with an empty list of PHIs.
5849 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
5853 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
5856 2006-08-06 Andreas Schwab <schwab@suse.de>
5858 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
5859 string. Whitespace and comment fixup.
5861 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5864 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
5868 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
5871 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
5873 2006-08-04 Jan Hubicka <jh@suse.cz>
5877 * reload.c (push_reload): Patch out the mismatching instruction;
5879 (find_reload): Bail out if the instruction was patched out.
5881 2006-08-04 Jan Hubicka <jh@suse.cz>
5883 PR tree-optimization/24888
5884 * tree-inline.c (expand_call_inline): Do not re-record variables.
5885 (declare_inline_vars): Add variable to unexpanded_var_list.
5887 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5888 Roger Sayle <roger@eyesopen.com>
5890 PR rtl-optimization/26244
5891 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
5892 inner_const are negative or greater than or equal to the bitsize of
5893 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
5894 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
5895 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
5896 CONST0_RTX (mode) when the new shift count is greater than or equal to
5897 to the bitsize of the object being shifted and XEXP (y, 0) has no side
5900 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
5902 * tree-cfg.c: Fix a comment typo.
5904 2006-08-03 Mark Mitchell <mark@codesourcery.com>
5907 * varasm.c (output_constant): Give the front end another chance to
5908 expand constants, after stripping NOPs.
5910 2006-08-03 Jan Hubicka <jh@suse.cz>
5912 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
5915 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
5917 PR tree-optimization/27770
5918 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
5919 declaration removed (moved to tree-flow.h).
5920 (vect_can_force_dr_alignment_p): Likewise.
5921 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
5922 (moved from tree-vectorizer.h).
5923 (vect_can_force_dr_alignment_p): Likewise.
5924 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
5925 from outside the vectorizer - in particular from cgraph stage.
5926 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
5927 the alignment of global arrays when -fsection-anchors is enabled.
5928 * cgraphunit.c (cgraph_increase_alignment): New function.
5929 (cgraph_optimize): Call cgraph_increase_alignment.
5931 2006-08-03 David Edelsohn <edelsohn@gnu.org>
5934 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
5935 not reload a SPE symbol_ref into a lo_sum address.
5937 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
5940 * dwarf2out.c (prune_unused_types_prune): Move call to
5941 prune_unused_types_update_strings to cover the parent DIE also.
5943 2006-08-02 Jan Hubicka <jh@suse.cz>
5945 PR gcov/profile/28480
5946 * tree-cfg.c (change_bb_for_stmt): New function.
5947 (tree_merge_blocks, tree_split_blocks): Use it.
5949 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5955 * toplev.c (compile_file): Return early on errorcount or sorrycount.
5956 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
5957 (cgraph_optimize): Likewise.
5959 2006-08-01 Stuart Hastings <stuart@apple.com>
5961 * rtl.h (UINTVAL) New.
5962 * config/rs6000/rs6000.c (SMALL_INT) Use it.
5963 * testsuite/gcc.dg/20060801-1.c: New.
5965 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
5968 * c-typeck.c (build_external_type): Mark used enum types.
5969 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
5971 (gen_subprogram_die): Whitespace fix.
5973 2006-08-01 Jan Hubicka <jh@suse.cz>
5975 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
5976 bitmap when not needed.
5977 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
5980 2006-08-01 Dirk Mueller <dmueller@suse.de>
5982 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
5984 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5986 * Makefile.in: Revert part of previous patch:
5987 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
5990 2006-07-30 Eric Christopher <echristo@apple.com>
5993 * doc/extend.texi (i386 Variable Attributes): Add anchor.
5994 (PowerPC Variable Attributes): New section.
5996 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
5998 PR target/28126 (partial fix)
5999 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6001 2006-07-28 Jan Hubicka <jh@suse.cz>
6003 PR rtl-optimization/28071
6004 * cfgrtl.c (rtl_delete_block): Free regsets.
6005 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6007 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6009 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6010 and variables used in dependencies.
6012 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6014 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6015 %fs for -mcmodel=kernel.
6016 (stack_tls_protect_test_di): Likewise.
6018 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6020 * Makefile.in: Use mkinstalldirs.
6022 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6025 * opts-common.c (prune_options): Skip joined switches.
6027 2006-07-27 Jan Hubicka <jh@suse.cz>
6029 PR rtl-optimization/28071
6030 * cselib.c (cselib_process_insn): Don't remove useless values too
6031 often for very large hashtables.
6033 2006-07-27 Jan Hubicka <jh@suse.cz>
6035 PR rtl-optimization/28071
6036 * global.c (greg_obstack): New obstack.
6037 (allocate_bb_info): Use it.
6038 (free_bb_info): Likewise.
6039 (modify_reg_pav): Likewise.
6041 2006-07-27 Roger Sayle <roger@eyesopen.com>
6043 * builtins.c (fold_fixed_mathfn): When long and long long are the
6044 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6045 functions to their lceil*, lfloor*, lround* and lrint* forms.
6047 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6050 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6052 (rev_branch_insn): Likewise.
6054 2006-07-27 Jan Hubicka <jh@suse.cz>
6056 PR rtl-optimization/28071
6057 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6058 (reg_set_in_bb, max_reg_computed): New static variables.
6059 (regmove_optimize): Free the new array.
6060 (fixup_match_1): Update call of reg_is_remote_constant_p.
6062 2006-07-26 Jan Hubicka <jh@suse.cz>
6064 PR tree-optimization/27882
6065 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6067 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6069 (cgraph_analyze_compilation_unit): Likewise.
6070 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6071 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6072 (cgraph_early_inlinine): Make order garbage collected.
6073 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6075 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6077 * dbxout.c (output_types_sort): Add a comment.
6078 (output_used_types): Free the VEC.
6080 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6082 * function.c (reorder_fix_fragments): Delete.
6083 (reorder_blocks): Don't call it.
6084 (reorder_blocks_1): Put all subblocks under the origin block.
6086 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6088 PR rtl-optimization/27907
6089 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6092 2006-07-25 Roger Sayle <roger@eyesopen.com>
6095 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6096 bar(x) check that bar's result type can represent all the values of T.
6098 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6100 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6102 2006-07-25 Nick Clifton <nickc@redhat.com>
6104 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6105 size_lookup[] array.
6106 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6107 (ggc_pch_count_object): Likewise.
6108 (ggc_pch_alloc_object): Likewise.
6109 (ggc_pch_write_object): Likewise.
6110 (init_ggc): Do not attempt to initialize entries in the
6111 size_lookup[] array for objects whose size is greater than than
6112 the length of the array.
6114 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6116 * dbxout.c (output_used_types_helper): Push queued types
6118 (output_types_sort): New.
6119 (output_used_types): Collect used types on a VEC and sort them
6122 2006-07-24 Richard Guenther <rguenther@suse.de>
6125 * cgraph.c (cgraph_remove_node): Do not check if dumps
6127 * cgraphunit.c (cgraph_optimize): Likewise.
6129 2006-07-24 Jan Hubicka <jh@suse.cz>
6131 PR rtl-optimization/28071
6132 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6133 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6134 splitting before first stmt.
6136 2006-07-24 Jan Hubicka <jh@suse.cz>
6138 PR rtl-optimization/28071
6139 * ipa-inline.c (update_caller_keys): Remove edges that
6140 are no longer inline candidates.
6142 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6145 * dbxout.c (output_used_types_helper, output_used_types): New.
6146 (dbxout_symbol): Call output_used_types.
6148 2006-07-23 Jan Hubicka <jh@suse.cz>
6152 * cgraph.c (cgraph_varpool_nodes): Export.
6153 (decide_is_variable_needed): Ignored "used" attribute in
6154 unit-at-a-time mode.
6155 * cgraph.h (cgraph_varpool_nodes): Declare.
6156 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6157 unit-at-a-time mode.
6159 2006-07-23 Roger Sayle <roger@eyesopen.com>
6162 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6163 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6164 the __gthrw form of thr_keycreate.
6165 (__gthread_key_delete): Silence the unused argument warning.
6167 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6170 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6171 Cache the last found '\0' marker to avoid quadratic behavior.
6173 2006-07-23 Jan Hubicka <jh@suse.cz>
6175 * i386.md (subsi_3_zext): Fix output template.
6177 2006-07-21 Mike Stump <mrs@apple.com>
6179 * doc/invoke.texi (C++ Dialect Options): Note that
6180 -fvisibility-inlines-hidden doesn't affect explicitly
6181 instantiationed inline methods.
6183 2006-07-20 Roger Sayle <roger@eyesopen.com>
6185 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6186 if the target assembler is GNU binutils' gas.
6187 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6188 whether to pass GNU gas or native as command line options.
6190 2006-07-20 Jason Merrill <jason@redhat.com>
6192 * tree.c (remove_attribute): New fn.
6193 * tree.h: Declare it.
6195 2006-07-20 Paul Brook <paul@codesourcery.com>
6198 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6199 they are invalidated by this instruction.
6201 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6204 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6206 2006-07-20 Eric Christopher <echristo@apple.com>
6209 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6211 2006-07-19 Eric Christopher <echristo@apple.com>
6213 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6214 Rewrite dependencies for libgcc_s.1.dylib.
6216 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6218 * except.c (duplicate_eh_regions_1): Clear next_peer.
6220 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6222 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6223 -mlongcall does not guarantee all calls will be long.
6224 * doc/extend.texi (long_call/short_call): Document that longcall
6225 does not guarantee a long call will be used.
6226 (longcall/shortcall): Likewise.
6228 2006-07-18 Roger Sayle <roger@eyesopen.com>
6231 * expmed.c (expand_shift): Additionally check that the shift_cost
6232 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6233 before implementing a LSHIFT_EXPR as a sequence of additions.
6234 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6235 middle-end that DImode shifts need to be synthesized by expand.
6237 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6240 * tree-ssa-operands.c (access_can_touch_variable): Update
6242 Return true if ALIAS is .GLOBAL_VAR.
6244 2006-07-18 David Daney <ddaney@avtrex.com>
6246 * gcc.c (display_help): Fix typo in help text.
6248 2006-07-18 Olivier Hainque <hainque@adacore.com>
6250 * tree.h (categorize_ctor_elements): Adjust prototype and add
6251 descriptive comment, both in accordance with the interface change
6253 * varasm.c (constructor_static_from_elts_p): New function.
6254 Whether a constructor node is a valid static constant initializer
6255 if all its elements are.
6256 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6257 * output.h: Declare it.
6258 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6259 is a valid constant initializer instead of computing the number of
6260 non-constant elements. Use constructor_static_from_elts_p for this
6261 purpose. Replace the head comment with an indication that this is a
6262 helper for categorize_ctor_elements.
6263 (categorize_ctor_elements): Same interface change as for the _1
6264 helper. Former head comment from this helper moved here, adjusted to
6265 account for the interface changes.
6266 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6267 (all_zeros_p): Likewise.
6268 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6269 static versions of the constructor from the categorize_ctor_elements
6270 return value instead of the formerly computed number of non-constant
6273 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6275 * configure: Regenerate.
6276 * Makefile.in (build_libsubdir): New configure substitution
6277 (build_libobjdir): New variable.
6278 (BUILD_LIBIBERTY): Use it.
6280 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6283 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6285 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6288 * c-common.c (handle_weakref_attribute): Ignore attribute in
6289 the same conditions the alias attribute is ignored.
6291 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6293 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6294 (dbxout_begin_prologue): Increment scope_labelno.
6296 2006-07-17 Richard Henderson <rth@redhat.com>
6299 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6302 2006-07-17 Roger Sayle <roger@eyesopen.com>
6303 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6305 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6306 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6307 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6308 functions such as sbrk, write, etc.. Add function prototypes.
6309 Convert function declarations from K&R to ISO C. Cast pointers
6310 to "long" and "unsigned long" instead of "int" and "unsigned int".
6311 Convert tokens following #endif into comments.
6313 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6315 * invoke.texi: Remove mention of f77; Reformat table for
6316 inline parameter options correctly; mention that -malign-double
6317 is default on x86-64 targets.
6319 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6321 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6322 (convert_affine_scev, chrec_convert_aggressive): Use
6323 avoid_arithmetics_in_type_p. Do not check for the subtypes
6326 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6329 * optabs.c (expand_doubleword_shift): Wrap the call to
6330 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6332 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6335 * optabs.c (expand_binop): Pass next_methods rather than methods
6336 to expand_doubleword_shift.
6338 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6341 * tree.h (dump_addr): Declare.
6342 * print-tree.c (dump_addr): New function.
6343 (print_node_brief, print_node): Use it.
6344 * print-rtl.c (print_rtx): Likewise.
6345 * common.opt (-fdump-noaddr): New option.
6346 * doc/invoke.texi (-fdump-noaddr): Document.
6347 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6348 (ve_info_hash): Likewise.
6350 2006-07-13 Andrew Haley <aph@redhat.com>
6352 PR tree-optimization/19505
6353 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6354 edge leaving this block, make sure that the destination of this
6355 block has only one predecessor.
6357 2006-07-17 Richard Guenther <rguenther@suse.de>
6359 PR tree-optimization/28238
6360 * tree-inline.c (copy_bb): Check if we produced valid
6361 gimple copying and substituting a stmt. If not, gimplify
6364 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6366 * optabs.c (maybe_encapsulate_block): New function extracted from...
6367 (emit_libcall_block): ...here. Invoke it on the block of insns to
6368 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6369 (emit_no_conflict_block): Likewise.
6371 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6373 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6375 2006-07-15 Roger Sayle <roger@eyesopen.com>
6377 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6378 a new NOP_EXPR case of the switch statement.
6380 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6383 * stor-layout.c (place_field): Take the bit field with
6384 an excessive size into account in the ms-bitfiled case.
6387 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6388 the previous bit field.
6390 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6393 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6395 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6397 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6398 signal frames correctly even when the signal was installed with
6401 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6403 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6404 (dbxout_function_end): Use local label LFBB. Remove hook
6406 (dbxout_source_line): Use local label LFBB.
6407 (dbxout_block): Likewise.
6408 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6409 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6410 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6411 and DBX_OUTPUT_NFUN.
6413 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6415 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6417 2006-07-13 Jan Hubicka <jh@suse.cz>
6419 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6421 * output.h (align_variable): Declare.
6422 * varasm.c (align_variable): Export.
6423 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6424 when basic block changed.
6426 2006-07-13 Nick Clifton <nickc@redhat.com>
6428 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6429 walking the LOG_LINKS chain.
6431 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6433 * doc/invoke.texi (C++ Dialect Options): Explain difference
6434 between -fvisibility-inlines-hidden and setting hidden
6435 visibility explicitly.
6437 2006-07-12 Eric Christopher <echristo@apple.com>
6439 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6440 (stmp-lipo): Depend on libgcc.a.
6442 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6444 * tree.c: Fix a comment typo.
6446 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6448 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6450 (umulhisi3_r): Likewise.
6452 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6455 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6456 x < 19, vs wchar_t support.
6458 2006-07-12 Nick Clifton <nickc@redhat.com>
6460 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6461 instead of -isa=sh4.
6463 2006-07-12 Mike Stump <mrs@apple.com>
6465 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6467 2006-07-10 Eric Christopher <echristo@apple.com>
6469 * config/t-slibgcc-darwin: Rewrite.
6471 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6474 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6477 2006-07-08 Matthias Klose <doko@debian.org>
6479 * doc/sourcebuild.texi: Fix typo.
6481 2006-07-07 Mike Stump <mrs@apple.com>
6483 * toplev.c (process_options): Don't give -ffunction-sections may
6484 affect debugging warning for Mach-O.
6486 2006-07-07 James E Wilson <wilson@specifix.com>
6488 * config/mips/mips.md (cpu): Add sb1a.
6489 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6490 addition to sb1. Adjust comments to clarify SB-1A differences from
6492 (ir_sb1a_load): New. Modify bypasses to use it.
6493 (ir_sb1a_simple_alu): Likewise.
6494 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6495 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6496 (mips_issue_rate): Add PROCESSOR_SB1A.
6497 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6498 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6499 (TARGET_SB1): Add PROCESSOR_SB1A check.
6500 (TUNE_SB1): Likewise.
6502 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6503 * config/mips/mips.c (mips_store_data_bypass_p): New.
6504 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6505 store_data_bypass_p.
6507 2006-07-08 Paul Brook <paul@codesourcery.com>
6510 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6512 2006-07-07 Richard Guenther <rguenther@suse.de>
6515 * tree.h (build_one_cst): Declare.
6516 * tree.c (build_one_cst): New function.
6517 * tree-ssa-math-opts.c (get_constant_one): Remove.
6518 (insert_reciprocals): Use build_one_cst.
6519 * fold-const.c (fold_plusminus_mult): Likewise.
6521 2006-07-07 Roger Sayle <roger@eyesopen.com>
6523 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6524 * cfgloopanal.c (dump_graph): Likewise.
6525 * dojump.c (discard_pending_stack_adjust): Likewise.
6526 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6528 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6529 * function.c (finalize_block_changes): Likewise.
6530 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6531 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6532 * rtl.c (dump_rtx_statistics): Likewise.
6533 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6535 * varray.c (dump_varray_statistics): Likewise.
6536 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6537 decode_decimal64, encode_decimal128, decode_decimal128,
6538 decimal_real_to_decimal): Likewise.
6540 2006-07-07 Richard Guenther <rguenther@suse.de>
6542 PR tree-optimization/28187
6543 * tree-vrp.c (vrp_operand_equal_p): New function.
6544 (vrp_bitmap_equal_p): Likewise.
6545 (update_value_range): Use them to compare old and new
6548 2006-07-06 Roger Sayle <roger@eyesopen.com>
6550 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6551 a default case to switch statement to silence compiler warnings.
6553 2006-07-06 Roger Sayle <roger@eyesopen.com>
6556 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6557 the configured assembler supports the x87's ffreep mnemonic.
6558 * configure: Regenerate.
6559 * config.in: Regenerate.
6561 * config/i386/i386.c (output_387_ffreep): New function.
6562 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6563 (output_387_reg_move): Likewise.
6565 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6567 Port to hosts whose 'sort' and 'tail' implementations
6568 treat operands with leading '+' as file names, as POSIX
6569 has required since 2001. However, make sure the code still
6570 works on pre-POSIX hosts.
6571 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6572 which says you should use "tail -c +N" rather than "tail +Nc".
6573 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6575 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6577 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6580 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6583 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6584 PRE_{INC,DEC} of TFmode.
6586 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6587 Alan Modra <amodra@bigpond.net.au>
6590 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6593 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6596 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6597 Remove duplicate gtu.
6599 2006-07-05 Jason Merrill <jason@redhat.com>
6603 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6604 * c-common.c (handle_packed_attribute): So don't copy it here.
6605 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6607 2006-07-05 Mike Stump <mrs@apple.com>
6609 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6611 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6614 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6616 2006-07-05 Richard Guenther <rguenther@suse.de>
6619 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6620 TARGET_SSE2 targets if using SSE math.
6621 (*absdf2_1): Likewise.
6623 2006-07-05 Richard Guenther <rguenther@suse.de>
6625 PR tree-optimization/28162
6626 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6627 make sure to convert the operands to the correct type.
6629 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6631 PR tree-optimization/28218
6633 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6634 to calculate and free the dominator information.
6636 2006-07-04 Peter O'Gorman <peter@pogma.com>
6638 * mklibgcc.in: chmod 644 before ranlib during install.
6640 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6641 J"orn Rennecke <joern.rennecke@st.com>
6643 * configure.ac (.eh_frame data check): Use diff -b.
6645 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6648 * Makefile.in (BUILD_RTL): Add build/vec.o.
6649 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6650 (build/genextract): Delete.
6651 (build/genautomata): Likewise.
6653 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6656 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6657 128-bit IBM long doubles for ABI_V4.
6659 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6661 * tree.c (range_in_array_bounds_p): New predicate.
6662 * tree.h (range_in_array_bounds_p): Declare it.
6663 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6664 return a less conservative answer.
6665 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6666 and flag 'is_group'.
6667 (IS_ELEMENT_FOR_GROUP): New macro.
6668 (FOR_EACH_ACTUAL_CHILD): Likewise.
6669 (next_child_for_group): New helper function.
6670 (can_completely_scalarize_p): Take into account groups.
6671 (sra_hash_tree): Handle RANGE_EXPR.
6672 (sra_elt_eq): Likewise.
6673 (lookup_element): Be prepared for handling groups.
6674 (is_valid_const_index): Delete.
6675 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6676 instead of is_valid_const_index.
6677 <ARRAY_RANGE_REF>: New case.
6678 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6679 is_valid_const_index.
6680 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6681 (scan_dump): Dump info for groups too.
6682 (decide_instantiation_1): Likewise.
6683 (decide_block_copy): Assert that the element is not a group.
6684 Propagate decision to groups.
6685 (generate_one_element_ref): Handle RANGE_EXPR.
6686 (mark_no_warning): Iterate over actual childs.
6687 (generate_copy_inout): Likewise.
6688 (generate_element_copy): Likewise.
6689 (generate_element_zero): Likewise.
6690 (generate_element_init_1): Likewise.
6691 (dump_sra_elt_name): Handle RANGE_EXPR.
6693 2006-07-03 Roger Sayle <roger@eyesopen.com>
6695 PR tree-optimization/26251
6696 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6697 (thread_block): When optimizing for size refuse to thread jumps
6698 that would require duplication of blocks other than redirection
6701 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6703 * configure.ac: Fix thinko in previous check-in.
6704 * configure: Regenerate.
6706 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6709 * configure.ac (for lang...): Simplify nesting of conditionals.
6710 Test subdir_requires for non-enabled languages. Move processing
6711 of lang_opt_files and lang_tree_fiels below that test.
6712 * configure: Regenerate.
6713 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6715 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6717 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6719 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6721 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6724 2006-06-29 Jason Merrill <jason@redhat.com>
6731 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6732 * c-common.c (c_determine_visibility): Handle it here.
6733 * c-decl.c (finish_decl): Call c_determine_visibility for
6735 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6737 * varasm.c (default_assemble_visibility): Likewise.
6738 * c-common.c (handle_visibility_attribute): Complain about trying
6739 to give visibility to an already defined class, or trying to change
6740 declared visibility. Always attach the attribute.
6745 * attribs.c (decl_attributes): Ignore type-in-place attributes
6746 once the type has been defined.
6748 2006-06-29 Roger Sayle <roger@eyesopen.com>
6751 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6752 to indicate the cpplib has issued an error message for us.
6754 2006-06-29 Asher Langton <langton2@llnl.gov>
6757 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6758 insert a label at the end of an function under Mach-O.
6760 2006-06-29 Eric Christopher <echristo@apple.com>
6761 Evan Cheng <evan.cheng@apple.com>
6763 * predicates.md (vector_all_ones_operand): New.
6764 (nonimmediate_or_sse_const_operand): Ditto.
6765 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6766 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6767 (standard_sse_mode_p): Ditto.
6768 (standard_sse_constant_p): Add case for -1 vector.
6769 (ix86_expand_vector_move): Try to use.
6770 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6771 Call standard_sse_constant_opcode.
6772 (*movv4sf_internal): Ditto.
6773 (*movv2df_internal): Ditto.
6775 2006-06-29 Roger Sayle <roger@eyesopen.com>
6777 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6778 of XEXP to extract the operands of a MATCH_CODE rtx.
6780 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6782 * tree.c (tree_size): Do not waste tail padding in
6783 struct tree_string and make the size be the same as
6784 build_string will generate.
6786 2006-06-28 Jason Merrill <jason@redhat.com>
6789 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
6790 may_aliases already in the tag's annotations to the bitmap.
6792 2006-06-28 Roger Sayle <roger@eyesopen.com>
6794 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
6796 2006-06-28 Roger Sayle <roger@eyesopen.com>
6798 * genpreds.c (generate_switch_p): New function.
6799 (add_mode_tests): Push the new mode test down inside an AND expr
6800 if this allows the switch-suitable MATCH_CODE to be near the root.
6801 (write_match_code_switch): New function to write a MATCH_CODE as
6803 (write_predicate_stmts): New function to write a predicate RTX
6804 expression as a sequence of statements.
6805 (write_one_predicate_function): Use write_predicate_stmts.
6806 (write_tm_constrs_h): Likewise.
6808 2006-06-26 Fred Fish <fnf@specifix.com>
6810 * config/mips/t-sb1: New file.
6811 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
6814 2006-06-26 DJ Delorie <dj@redhat.com>
6816 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
6818 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
6819 Jayant Sonar <jayants@kpitcummins.com>
6820 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
6822 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
6823 (subsi3, subsi3_1, subsi3_2): New.
6824 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
6825 * config/m32c/mov.md (SI mov peephole): New.
6826 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
6827 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
6829 2006-06-26 Olivier Hainque <hainque@adacore.com>
6831 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
6832 a CALL_EXPR target function declaration.
6834 2006-06-26 Richard Guenther <rguenther@suse.de>
6836 * tree.c (build_string): Do not waste tail padding in
6839 2006-06-26 Richard Guenther <rguenther@suse.de>
6841 * ggc-page.c (init_ggc): Add missing element to size_lookup
6845 2006-06-23 Richard Guenther <rguenther@suse.de>
6847 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6848 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6849 alignment requests instead. Add verification code.
6850 Add struct tree_function_decl and struct tree_binfo size to
6851 extra_order_size_table. Add missing element to size_lookup
6854 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
6857 * fold-const.c (const_binop): Be prepared for self returning zero.
6858 Simplify code handling complex values.
6860 2006-06-24 Olivier Hainque <hainque@adacore.com>
6862 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
6863 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
6866 2006-06-24 Olivier Hainque <hainque@adacore.com>
6868 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
6869 ARRAY_REF, so have the callback called for the low bound expression.
6871 2006-06-23 Janis Johnson <janis187@us.ibm.com>
6873 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
6874 * c-typeck.c (c_common_type): Disallow operations on decimal float
6875 types and other float types.
6876 * convert.c (convert_to_real): Don't ignore conversions involving
6877 decimal float types.
6879 2006-06-23 Olivier Hainque <hainque@adacore.com>
6881 * tree.c (max_int_size_in_bytes): New function, inspired from
6882 code in function.c:assign_temp.
6883 * tree.h (max_int_size_in_bytes): Declare.
6884 * function.c (assign_temp): Use it.
6885 * gimplify.c (create_tmp_var): Relax the assertions on the type
6886 properties, not mandating constant size any more.
6887 (force_constant_size): New static function.
6888 (gimple_add_tmp_var): Use it, forcing variable size to a
6889 constant upper bound if it is not constant on entry.
6891 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
6894 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
6895 for initialization and setting of one_only flag to ...
6896 (i386_pe_encode_section_info): ...here.
6897 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
6898 Recheck that the symbol has not been defined.
6900 2006-06-23 Richard Guenther <rguenther@suse.de>
6902 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
6903 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
6904 alignment requests instead. Add verification code.
6905 Add struct tree_function_decl and struct tree_binfo size to
6906 extra_order_size_table. Add missing element to size_lookup
6909 2006-06-22 Roger Sayle <roger@eyesopen.com>
6910 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6913 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
6914 call to lang_hooks.types.type_for_mode returned NULL_TREE.
6916 2006-06-23 Ben Elliston <bje@au.ibm.com>
6918 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
6919 negate dn -- manipulate it directly.
6921 2006-06-22 Roger Sayle <roger@eyesopen.com>
6922 Steven Bosscher <stevenb.gcc@gmail.com>
6925 * reload1.c (gen_reload): Call mark_jump_label on the new insns
6926 generated by gen_move_insn to add REG_LABEL notes if necessary.
6928 2006-06-22 Bob Wilson <bob.wilson@acm.org>
6930 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
6931 (leaf_entry): Remove use of MIN_ESA.
6933 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
6935 PR rtl-optimization/28121
6936 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
6939 2006-06-21 DJ Delorie <dj@redhat.com>
6941 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
6943 (mulhisi3_r): Likewise.
6945 2006-06-21 Richard Sandiford <richard@codesourcery.com>
6948 * coverage.c (coverage_counter_alloc): Leave the index type
6950 (coverage_counter_alloc): Use null arguments for operands 2 and 3
6953 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
6955 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
6956 section from the "Options for Code Generation Conventions".
6958 2006-06-21 Richard Henderson <rth@redhat.com>
6962 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
6964 (global_symbolic_operand): Allow weak symbols, even if local_p.
6966 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
6968 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
6969 (find_interesting_uses_address): Punt if above function returns true.
6971 2006-06-21 Richard Guenther <rguenther@suse.de>
6973 * configure: Regenerated.
6975 2006-06-21 Joseph Myers <joseph@codesourcery.com>
6977 * config/mips/mips.c (function_arg): Where one part of a
6978 complex argument is in registers and the other part in the stack,
6979 return a REG not a PARALLEL.
6981 2006-06-21 Mark Mitchell <mark@codesourcery.com>
6983 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
6984 when cross-compiling. Do not substitute libstdcxx_incdir.
6985 * configure: Regenerated.
6987 2006-06-21 Jakub Jelinek <jakub@redhat.com>
6989 * varasm.c (mergeable_string_section): Check for embedded NULs and
6990 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
6991 rather than TREE_STRING_LENGTH bytes.
6993 2006-06-21 Richard Guenther <rguenther@suse.de>
6995 * ggc-page.c (extra_order_size_table): Add var_ann_d,
6996 tree_ssa_name, bitmap_element and phi_node with 4 arguments
6999 2006-06-21 Richrad Guenther <rguenther@suse.de>
7001 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7002 Limit iteration over the dominators.
7004 2006-06-20 Roger Sayle <roger@eyesopen.com>
7006 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7007 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7009 2006-06-20 Richard Guenther <rguenther@suse.de>
7010 Michael Matz <matz@suse.de>
7012 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7014 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7015 * et-forest.h (et_free_pools): Prototype new function.
7016 * et-forest.c (et_free_tree_force): Free parent occurrence.
7017 (et_free_pools): New function.
7018 * dominance.c (free_dominance_info): Free et-forest alloc
7021 2006-06-20 Roger Sayle <roger@eyesopen.com>
7023 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7024 integer modes, attempt to directly construct an integer constant.
7026 * fold-const.c (native_encode_vector): Determine the size of each
7027 element from the vector type instead of the first vector element.
7029 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7030 if all of its elements/components are constant.
7031 (build_constructor_from_list): Likewise.
7033 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7035 PR tree-optimization/27331
7036 * tree-data-ref.c (free_data_ref): New function.
7037 (create_data_ref): Fail if the data reference has unknown access
7039 (free_data_refs): Use free_data_ref.
7041 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7044 * tree-inline.c (setup_one_parameter): Strip useless
7045 type conversion before adding it to the IR.
7046 (declare_return_variable): Likewise.
7048 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7051 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7053 2006-06-19 Mike Stump <mrs@apple.com>
7055 * tree.c (variably_modified_type_p): VM arguments don't make the
7058 2006-06-19 Richard Guenther <rguenther@suse.de>
7060 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7061 type conversions after folding.
7063 2006-06-19 Richard Guenther <rguenther@suse.de>
7065 * ggc-page.c (extra_order_size_tab): Add entries with
7066 size of struct function and basic_block.
7067 (size_lookup): Extend to cover sizes up to 511.
7068 (ggc_alloc_stat): Adjust user.
7069 (ggc_pch_count_object): Likewise.
7070 (ggc_pch_alloc_object): Likewise.
7071 (ggc_pch_write_object): Likewise.
7073 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7075 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7076 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7079 2006-06-19 Denis Chertykov <denisc@overta.ru>
7081 * config/avr/libgcc.S : Correct my wrong previous commit.
7083 2006-06-19 Roger Sayle <roger@eyesopen.com>
7086 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7087 have stripped a SUBREG from the shift count, so we may need to
7088 convert_to_mode back to the type's mode before calling make_tree.
7089 Use new_amount instead of amount to avoid expanding a tree twice.
7091 2006-06-19 Richard Guenther <rguenther@suse.de>
7094 * fold-const.c (operand_equal_p): Check if the argument types
7095 have the same precision before stripping NOPs.
7097 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7099 Fix PR tree-optimization/27341
7100 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7102 * tree-complex.c (pass_lower_complex): Update SMT usage.
7104 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7106 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7107 Add a new alternative to the constraint strings. Add move of
7108 operand 1 to 3 to the splitter definition.
7109 ("doloop_si_long"): Second contraint alternative removed.
7111 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7113 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7114 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7116 (AVR_HAVE_MOVW) Define.
7117 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7118 (ASM_SPEC): Add avr25.
7119 (LINK_SPEC): Add avr25.
7120 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7121 (base_arch_s): Add new member 'have_movw_lpmx'.
7122 (avr_arch_types): Init 'have_movw_lpmx'.
7123 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7124 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7125 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7126 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7127 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7129 (avr_file_start): Do not output '.arh' derective.
7130 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7131 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7132 * config/avr/avr.md (mcu_enhanced): Delete.
7133 (mcu_have_movw): Define.
7134 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7135 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7136 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7137 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7138 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7139 attiny861 and at86rf401 devices.
7141 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7143 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7146 2006-06-17 Karl Berry <karl@gnu.org>
7148 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7149 doc/gccint.texi, doc/install.texi (@dircategory): Use
7150 "Software development" instead of "Programming", following
7151 the Free Software Directory.
7153 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7155 * config/i386/i386.c (legitimate_tls_address)
7156 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7157 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7158 (*tls_dynamic_gnu2_combine_64): Likewise.
7160 2006-06-16 Richard Guenther <rguenther@suse.de>
7163 * fold-const.c (negate_expr_p): Do not introduce undefined
7164 overflow in negating INTEGER_CSTs.
7165 (fold_negate_expr): Rename from negate_expr. Revert last
7166 change for folding BIT_NOT_EXPR. Change semantics to
7167 return NULL_TREE for non-simplified negations. Do not
7168 strip type conversions and unify type handling.
7169 (negate_expr): New function, wrap around fold_negate_expr
7170 but ensure building a tree always. Strip type conversions
7171 here, fold to result type.
7172 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7174 2006-06-16 Roger Sayle <roger@eyesopen.com>
7177 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7178 that (would) return their results in stack registers.
7180 2006-06-16 Michael Matz <matz@suse.de>
7181 Richard Guenther <rguenther@suse.de>
7183 * fold-const.c (fold_truthop): Only return new tree node if
7184 we canonicalized something.
7186 2006-06-16 Richard Guenther <rguenther@suse.de>
7188 * function.h (enum function_frequency): Move declaration
7189 out of struct function.
7190 (struct function): Move bool fields and the enum to the bitfield
7191 section. Reorder elements to avoid padding. Remove unused
7192 fields left over from the RTL inliner removal.
7193 * function.c (free_after_compilation): Do not zero removed fields.
7194 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7195 (ipa-type-escape.o): Likewise.
7197 2006-06-16 Richard Guenther <rguenther@suse.de>
7199 * cgraph.h (struct cgraph_local_info): Turn bool elements
7201 (struct cgraph_node): Likewise.
7202 (struct cgraph_varpool_node): Likewise.
7204 2006-06-15 Richard Guenther <rguenther@suse.de>
7206 * fold-const.c (fold_truth_not_expr): Rename from
7207 invert_truthvalue. Give it fold_* semantics to avoid
7209 (invert_truthvalue): New function. Wrapper around
7210 fold_truth_not_expr.
7211 (optimize_minmax_comparison): Avoid creating garbage.
7212 (fold_unary): Use fold_truth_not_expr for folding
7214 (fold_ternary): Replace uses of invert_truthvalue with
7215 fold_truth_not_expr where applicable.
7216 * tree.h (fold_truth_not_expr): Prototype.
7218 2006-06-16 Richard Guenther <rguenther@suse.de>
7220 PR tree-optimization/27781
7221 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7222 * ipa-pure-const.c (target.h): Include.
7223 (analyze_function): Do not analyze functions that do not
7226 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7229 * tree-dfa.c (referenced_vars_dup_list): Remove.
7230 (find_referenced_vars): Remove assert.
7231 (referenced_var_check_and_insert): Replace dup list with assert.
7232 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7233 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7235 2006-06-15 Richard Guenther <rguenther@suse.de>
7237 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7238 extra unused identifiers if not dumping.
7239 (create_variable_info_for): Likewise.
7241 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7243 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7244 (derive_constant_upper_bound): Derive more precise upper bound in
7245 common cases. Return type changed to double_int.
7246 (record_estimate): Reflect the changed return type of
7247 derive_constant_upper_bound.
7248 * double-int.c (double_int_zext, double_int_sext): Fix.
7250 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7252 * configure.ac (CFLAGS): Get them from the toplevel or from the
7253 configure invocation.
7254 * configure: Regenerate.
7255 * Makefile.in (CFLAGS): Substitute value provided by configure.
7257 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7260 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7261 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7262 rather than calling add_stmt on it.
7263 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7265 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7268 * reload1.c (reload): Remove registers returned by update_eliminables
7269 from used_spill_regs.
7271 2006-06-13 DJ Delorie <dj@redhat.com>
7273 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7275 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7277 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7278 html__strip_dir, html__mkdir_p. Enhance install-html target.
7279 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7280 * configure: Regenerate.
7282 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7284 * fold-const.c (fold_cond_expr_with_comparison): Check for
7285 Objective-C++ as language in deciding COND_EXPR transformation.
7287 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7290 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7291 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7292 * config/sh/lib1funcs.h (SL, SL1): Define.
7293 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7294 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7295 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7296 (OBJS_Os_4_200): New variable.
7297 ($(T)libgcc-Os-4-200.a): Use it.
7298 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7299 when dividing 1 and/or by 0.
7301 2006-06-13 Roger Sayle <roger@eyesopen.com>
7303 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7304 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7305 * configure: Regenerate.
7307 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7309 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7310 for real instruction.
7312 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7315 * haifa-sched.c (check_cfg): Handle special case.
7317 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7320 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7321 Add debug_info parameter. Chain the vars to the BLOCK instead
7322 of the BIND_EXPR if debug info are requested for them.
7323 (pop_gimplify_context): Adjust for above change.
7324 (gimple_add_tmp_var): Likewise.
7325 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7327 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7328 (convert_local_reference): Likewise.
7329 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7330 (finalize_nesting_tree_1): Request that debug info be emitted
7331 for debug_var_chain.
7333 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7335 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7336 for PR target/27863.
7338 2006-06-13 Richard Guenther <rguenther@suse.de>
7341 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7343 2006-06-13 Richard Guenther <rguenther@suse.de>
7345 PR tree-optimization/27830
7346 * tree-inline.c (copy_body_r): For copying the operand
7347 of an ADDR_EXPR make sure to fold &* afterwards.
7349 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7351 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7352 lvalues in the fb_none case with side-effects.
7354 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7356 * tree-flow.h: Remove the prototype for
7357 compute_phi_arg_on_exit.
7358 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7359 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7362 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7364 * builtins.c (expand_builtin_return_addr): Only use
7365 frame_pointer_rtx when count == 0 and we are expanding
7366 __builtin_return_address.
7368 2006-06-12 Fred Fish <fnf@specifix.com>
7370 * config/mips/mips.c (mips_file_start): Create special section
7371 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7373 2006-06-11 Eric Christopher <echristo@apple.com>
7376 * stor-layout.c (place_field): Remove check for
7377 remaining_in_alignment when aligning at the end of a run.
7379 2006-06-11 Eric Christopher <echristo@apple.com>
7382 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7385 2006-06-11 Roger Sayle <roger@eyesopen.com>
7388 Revert incorrect fix for PR target/27158
7389 2006-05-08 Roger Sayle <roger@eyesopen.com>
7390 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7391 of a reg_equiv_constant if the result is a legitimate constant.
7393 2006-06-11 Roger Sayle <roger@eyesopen.com>
7396 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7397 extract a CONST_VECTOR element and interpret it as an integer.
7398 (vspltis_constant): Use const_vector_elt_as_int instead of the
7399 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7400 * config/rs6000/predicates.md (easy_vector_const): Consider
7401 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7403 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7406 * stor-layout.c (update_alignment_for_field): Don't add extra
7407 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7410 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7412 * config/mips/t-rtems: Add EL/EB multilib variants.
7414 2006-06-09 Mike Stump <mrs@apple.com>
7416 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7418 2006-06-09 David Daney <ddaney@avtrex.com>
7420 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7422 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7424 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7426 2006-06-09 Richard Guenther <rguenther@suse.de>
7428 PR tree-optimization/26998
7429 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7430 of signed types, only TYPE_MIN_VALUE is special, but for both,
7431 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7432 in this case, as is -fwrapv.
7434 2006-06-08 Mike Stump <mrs@apple.com>
7437 * config/darwin.c (darwin_asm_output_anchor): Disable
7438 -fsection-anchors on darwin for now.
7439 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7440 * rs6000/rs6000.c (optimization_options): Likewise.
7442 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7445 * config/i386/i386.c (classify_argument): Skip fields with invalid
7448 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7450 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7451 (cse_insn): Likewise for the stack_pointer_rtx.
7453 2006-06-08 Roger Sayle <roger@eyesopen.com>
7455 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7456 conditions from floating point comparisons.
7458 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7461 * expmed.c (struct alg_hash_entry): Fix type of field T
7462 to match synth_mult argument.
7463 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7465 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7468 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7471 2006-06-08 Richard Guenther <rguenther@suse.de>
7474 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7475 only, if overflow is defined and not trapping.
7476 (negate_expr): Likewise.
7478 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7480 PR tree-optimization/27872
7481 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7482 flag on the new exit edge of the unrolled loop.
7484 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7486 PR rtl-optimization/26449
7487 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7489 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7492 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7493 referenced_variables with matching DECL_UID's.
7494 (find_referenced_vars): Make sure duplicate list is empty to start.
7495 (referenced_var_p): Remove.
7496 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7497 Check if var is in the list, and add if needed. Update the duplicate
7498 list if a different var is in the list with the same DECL_UID.
7499 (add_referenced_var): Call routine to check and insert.
7500 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7501 * tree-flow.h (referenced_vars_dup_list): External declaration.
7503 2006-06-07 Fred Fish <fnf@specifix.com>
7505 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7508 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7511 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7512 the imaginary and real parts of a clobbered register.
7513 Emit insn to set the imaginary part.
7515 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7517 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7518 in lieu of unwind-dw2-fde.c.
7520 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7522 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7524 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7527 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7528 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7529 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7530 V4SImode temporaries and operations instead.
7532 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7534 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7537 2006-06-06 Mike Stump <mrs@apple.com>
7539 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7540 installing during build.
7542 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7544 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7546 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7547 * config/ia64/ia64.c (params.h): New header.
7548 (ia64_optimization_options): New function to adjust parameters.
7549 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7550 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7551 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7553 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7555 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7557 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7560 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7562 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7563 Victor Kaplansky <victork@il.ibm.com>
7565 PR tree-optimization/26360
7566 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7569 2006-06-04 Roger Sayle <roger@eyesopen.com>
7570 Andrew Pinski <pinskia@physics.uc.edu>
7573 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7574 for LABEL_DECL before calling DECL_WEAK.
7577 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7578 LABEL_DECL and PARM_DECL.
7580 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7584 * c-decl.c (grokdeclarator): Disallow variably modified types at
7585 file scope. Avoid marking shared array type of constant size as
7588 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7591 * c-common.c (fold_offsetof_1): Handle static members.
7593 2006-06-04 Eric Christopher <echristo@apple.com>
7595 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7596 (debug_rli): Output value for remaining_in_alignment.
7597 (update_alignment_for_field): Unconditionalize
7598 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7599 extra alignment code.
7600 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7601 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7602 * tree.h (record_layout_info_s): Remove prev_packed.
7603 * doc/extend.texi (ms_struct): Add documentation of format.
7605 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7607 * tree.h: Declare folding_initializer.
7608 * builtins.c (fold_builtin_constant_p): Give definite answer
7609 if folding inside an initializer.
7610 * fold-const.c: Define folding_initializer.
7611 (START_FOLD_INIT): Save and then set folding_initializer.
7612 (END_FOLD_INIT): Restore folding_initializer.
7614 2006-06-04 Richard Guenther <rguenther@suse.de>
7616 PR tree-optimization/27039
7617 * fold-const.c (fold_comparison): Handle pointer comparison
7618 again for all comparison codes. Compare offsets in signed
7620 (fold_binary): Move code from here.
7622 2006-06-03 Roger Sayle <roger@eyesopen.com>
7625 * config/i386/i386.c (construct_container): Split static issued_error
7626 flag into issued_sse_arg_error, issued_sse_ret_error and
7627 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7628 requires the use of x87 registers and the user explicitly
7629 specified the -mno-80387 command line option.
7631 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7633 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7634 HAVE_DECL_SIGALTSTACK.
7636 (segv_handler): Use MC_FLD.
7637 * configure.ac: Check for a sigaltstack declaration.
7638 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7639 * configure: Regenerate.
7640 * config.in: Regenerate.
7642 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7645 * Makefile.in (stmp-fixinc): Fix typo.
7647 2006-06-02 Roger Sayle <roger@eyesopen.com>
7649 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7650 are type correct. Clean-up.
7651 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7652 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7654 2006-06-01 DJ Delorie <dj@redhat.com>
7656 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7657 shift, as we've disabled the "switch" insn that needs it.
7659 2006-06-01 Per Bothner <bothner@bothner.com>
7661 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7662 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7663 * c-ppoutput.c (cb_define): Don't increment line 0.
7665 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7667 * doc/invoke.texi: Add cpu_type power6.
7668 * config.gcc: Add cpu_type power6.
7669 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7670 to power5+ with Altivec.
7671 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7672 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7674 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7676 * config/avr/avr.h (SET_ASM_OP): Define.
7678 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7680 * config/bfin/bfin.c: Fix comment typos.
7682 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7685 * doc/install.texi: Document --enable-bootstrap and
7686 --disable-bootstrap.
7688 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7690 * doc/install.texi: Document that InfoZIP can replace jar.
7692 2006-05-31 Roger Sayle <roger@eyesopen.com>
7694 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7695 isn't available, directly generate the simpler x87 patterns without
7696 the (use (const_int 0)).
7697 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7698 implementation isn't available.
7699 (*negdf2_1): Likewise.
7700 (*negxf2_1): XF mode negation is always done using the x87.
7701 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7703 2006-05-31 Roger Sayle <roger@eyesopen.com>
7705 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7706 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7708 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7710 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7712 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7713 * config/bfin/bfin.c (basic-block.h): Include.
7714 (struct machine_function): New.
7715 (bfin_init_machine_status): New.
7716 (override_options): Initialize init_machine_status.
7717 (bfin_hardware_loop): New.
7718 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7719 (DEF_VEC_P (loop_info)): New.
7720 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7721 (struct loop_info): New.
7722 (loop_info): New typedef.
7723 (struct loop_work): New.
7724 (loop_work): New typedef.
7725 (DEF_VEC_O (loop_work)): New.
7726 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7727 (bfin_dump_loops): New.
7728 (bfin_bb_in_loop): New.
7729 (bfin_scan_loop): New.
7730 (bfin_optimize_loop): New.
7731 (bfin_reorg_loops): New.
7732 (bfin_reorg): Use bfin_reorg_loops.
7733 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7735 (I_REGNO_P): Simplify.
7736 (DP_REGNO_P, DPREG_P): New macros.
7737 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7738 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7739 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7740 Add LT_REGS, LC_REGS, LB_REGS.
7741 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7743 (REGNO_REG_CLASS): Deal with loop registers.
7744 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7746 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7747 New constants for loop registers.
7748 (UNSPEC_LSETUP_END): New.
7749 (seq_insns): New define_attr. Set it for appropriate insns.
7750 (movsi_insn): Add alternatives for move from/to
7751 loop count registers.
7752 (doloop_end): New define_expand.
7753 (loop_end): New define_insn.
7754 (define_split for bad doloop_end): New.
7755 (lsetup_with_autoinit): New define_insn.
7756 (lsetup_without_autoinit): New define_insn.
7757 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7758 * config/bfin/predicates.md (lc_register_operand): New.
7759 (lt_register_operand): New.
7760 (lb_register_operand): New.
7761 (nondp_register_operand): New.
7762 (nondp_reg_or_memory_operand): New.
7763 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7765 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7767 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7768 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7770 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7772 * Makefile.in (CATALOGS): Add po/ prefix.
7773 * configure: Regenerated.
7775 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7778 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7779 a shift operand before calling shift_op. Avoid redundant call of
7782 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
7783 DJ Delorie <dj@redhat.com>
7785 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
7786 we're inserting is a singlt-bit constant.
7788 2006-05-30 Roger Sayle <roger@eyesopen.com>
7790 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
7791 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
7793 2006-05-30 Roger Sayle <roger@eyesopen.com>
7795 PR tree-optimization/23452
7796 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
7797 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
7798 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
7799 complex values and with -ffast-math for FP complex values.
7801 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
7803 * c-common.h: Remove the prototype for yyparse.
7804 * rtl.h: Remove the prototype for init_loop.
7806 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
7808 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
7811 2006-05-30 Roger Sayle <roger@eyesopen.com>
7813 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
7815 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
7816 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
7818 2006-05-30 Dirk Mueller <dmueller@suse.de>
7821 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
7822 for CONSTANT_CLASS_P expresisons.
7824 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7827 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
7829 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
7831 PR tree-optimization/27779
7832 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
7833 initial_condition instead of CHREC_LEFT.
7835 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
7837 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
7838 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
7839 Make prototypes ISO C90.
7841 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
7842 Leehod Baruch <leehod.baruch@weizmann.ac.il>
7844 * see.c (see_analyze_one_def): Correct check.
7845 (see_get_extension_data): Check if extension is parallel.
7846 (see_get_extension_reg): Likewise.
7848 2006-05-30 Uros Bizjak <uros@kss-loka.si>
7851 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
7852 into register for (code == GTU).
7854 2006-05-29 Roger Sayle <roger@eyesopen.com>
7856 PR tree-optimization/24964
7857 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
7858 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
7859 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
7860 abs(x)*abs(x) as x*x for scalar floating point modes.
7862 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
7865 * lambda-code.c (perfect_nestify): Don't copy statements
7866 in the inner loop: move them to the inner loop header.
7868 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7871 * c-tree.texi: Document OpenMP directives and clauses.
7873 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7875 * varasm.c (globalize_decl): Fix indentation.
7877 2006-05-29 Diego Novillo <dnovillo@redhat.com>
7880 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
7881 pass_fre, pass_store_ccp, pass_copy_prop,
7882 pass_store_copy_prop, pass_merge_phi, pass_nrv,
7883 pass_return_slot, pass_object_size, pass_lim,
7884 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
7885 pass_loop_prefetch and pass_stdarg.
7887 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
7889 * config/bfin/bfin.opt (mfdpic): New option.
7890 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
7891 (EXTRA_MULTILIB_PARTS): Likewise.
7892 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
7893 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
7895 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
7896 (CRT_CALL_STATIC_FUNCTION): New.
7897 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
7899 (CRT_CALL_STATIC_FUNCTION): New.
7900 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
7902 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
7903 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
7904 (initialize_trampoline): Changed to handle FD-PIC code generation.
7905 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
7906 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
7907 (override_options): Disallow -mid-shared-library -mfdpic combination.
7908 Can't do unaligned ops if FD-PIC.
7909 Turn off flag_pic if trying to generate non-id-shared-library
7910 non-fdpic code, since it's not supported.
7911 (bfin_assemble_integer): New function.
7912 (TARGET_ASM_INTEGER): Define.
7913 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
7915 * config/bfin/crtn.s: Restore them.
7916 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
7918 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
7919 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
7920 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
7921 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
7922 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
7924 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
7925 FDPIC_REGS and FDPIC_FPTR_REGS.
7926 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
7927 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
7928 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
7929 (load_funcdescsi): New pattern.
7930 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
7931 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
7932 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
7934 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
7936 * gcse.c, rtlanal.c: Remove obsolete comments associated with
7939 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
7941 * tree-flow.h: Remove the prototype for add_type_alias.
7942 * tree-ssa-alias.c (add_type_alias): Remove.
7944 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
7946 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
7947 config/fr30/fr30.md, config/i386/i386-interix.h,
7948 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
7949 config/sh/superh64.h, config/v850/v850.c, df-core.c,
7950 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
7951 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
7952 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
7953 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
7954 Follow spelling conventions.
7955 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
7956 Follow spelling conventions.
7958 2006-05-27 Richard Guenther <rguenther@suse.de>
7961 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
7962 to produce a constant of value 1 of generic type.
7964 2006-05-27 Dirk Mueller <dmueller@suse.de>
7966 * cgraphunit.c (decide_is_function_needed): Fix wrong
7969 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
7971 PR rtl-optimization/27661
7972 * reload.c (find_reloads): When reloading a VOIDmode constant
7973 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
7974 use Pmode as mode of the reload register.
7976 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
7978 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
7979 is enabled at -O and above.
7981 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
7984 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
7987 2006-05-25 Mark Mitchell <mark@codesourcery.com>
7990 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
7991 for anonymous variables explicitly declared by front ends.
7993 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
7995 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
7996 (struct alias_info): Add new field ref_all_symbol_mem_tag.
7997 * tree-ssa-alias.c (compute_may_aliases): If the program contains
7998 ref-all pointers, run a finalization pass for them.
7999 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8000 (finalize_ref_all_pointers): New function.
8001 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8002 regular pointer type to a ref-all pointer type.
8003 (get_tmt_for): Return the special memory tag for ref-all pointers.
8005 2006-05-25 Richard Guenther <rguenther@suse.de>
8008 * fold-const.c (fold_binary): Do not look at the stripped
8009 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8011 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8013 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8014 for LT and GT if the computed range is effectively empty.
8016 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8019 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8020 mips_quad_format formats instead of ieee_single_format,
8021 ieee_double_format and ieee_quad_format formats, respectively.
8023 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8025 PR tree-optimization/27639
8026 PR tree-optimization/26719
8027 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8028 call to scev_probably_wraps_p.
8029 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8030 used_in_pointer_arithmetic_p, convert_step): Removed.
8031 (nowrap_type_p): New function.
8032 (scev_probably_wraps_p): Rewritten.
8033 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8034 chrec_convert if chrec_convert_aggressive might have been used.
8035 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8036 scev_direction): New functions.
8037 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8038 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8039 instead of convert_step.
8040 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8041 (convert_step): Declaration removed.
8042 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8044 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8046 * df-core.c: Added to header comments.
8047 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8048 df_ur_bb_info, df_urec_bb_info): Added comments.
8049 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8050 urec, ri problems): Fixed header comments.
8051 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8052 code from df_rd_transfer_function.
8054 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8056 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8057 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8058 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8060 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8062 * expr.c (undefined_operand_subword_p): New.
8063 (emit_move_multi_word): Do not generate move from undefined bits
8064 of a paradoxical subreg.
8066 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8068 PR rtl-optimization/27736
8069 * combine.c (replaced_rhs_value): New variable.
8070 (combine_instructions): Set it.
8071 (distribute_notes): When distributing a note in replaced_rhs_insn,
8072 check whether the value was used in replaced_rhs_value.
8074 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8077 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8078 add_referenced_var instead of add_referenced_tmp_var.
8079 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8080 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8082 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8083 tree_optimize_tail_calls_1): Use add_referenced_var.
8084 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8085 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8086 Use add_referenced_var.
8087 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8088 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8089 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8090 Use add_referenced_var.
8091 * tree-dfa.c (struct walk_state): Remove.
8092 (find_referenced_vars): Remove walk state and vars_found hash table.
8093 (make_rename_temp): Use add_referenced_var.
8094 (find_vars_r): Pass less parameters to add_referenced_var.
8095 (referenced_var_p): New. Is var in referenced_var hash table.
8096 (referenced_var_insert): Assert var isn't already in hash table.
8097 (add_referenced_var): Don't need walk_state parameter. Add var if it
8098 isn't already in the hash table.
8099 (add_referenced_tmp_var): Remove.
8100 (find_new_referenced_vars_1): Use add_referenced_var.
8101 * tree-ssa-pre.c (create_expression_by_pieces,
8102 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8103 Use add_referenced_var.
8104 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8105 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8106 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8108 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8109 vect_create_data_ref_ptr, vect_create_destination_var,
8110 vect_init_vector, vect_build_loop_niters,
8111 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8112 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8113 Use add_referenced_var.
8114 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8115 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8116 (add_referenced_var): Add prototype.
8117 * tree-ssa-structalias.c (get_constraint_for,
8118 intra_create_variable_infos): Use add_referenced_var.
8120 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8122 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8123 big-endian paradoxical subregs.
8124 * var-tracking.c (struct micro_operation_def): Document that,
8125 for modify micro operations, insn is the subsequent instruction.
8126 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8127 (var_reg_set, var_mem_set): ... new functions.
8128 (add_stores): Record subsequent insn.
8129 (compute_bb_dataflow): Use new functions for MO_USE.
8130 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8131 notes after the insn, and modify notes before the insn known
8132 to be the subsequent one.
8133 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8135 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8138 * config/i386/i386.c (ix86_expand_builtin): Use
8139 gen_sse3_monitor64 for TARGET_64BIT.
8141 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8143 PR rtl-optimization/26375
8144 PR rtl-optimization/26855
8145 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8147 (df_ru_bb_local_compute): Reversed statements and removed bogus
8148 comment explaining why they should be in wrong order.
8149 (df_ru_dump, df_rd_dump): Enhanced debug info.
8150 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8152 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8153 reaching uses and fixed space problem.
8155 2006-05-23 Jan Hubicka <jh@suse.cz>
8157 * cgraphunit.c (decide_is_function_needed): Also nested functions
8158 and functions declared inline can be optimized out at -O0.
8160 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8162 * doc/install.texi (Configuration): Remove reference to CrossGCC
8166 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8169 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8170 ix86_compare_emitted is non-NULL.
8172 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8175 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8178 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8180 PR rtl-optimization/25514
8181 * combine.c (replaced_rhs_insn): New variable.
8182 (combine_instructions): Set replaced_rhs_insn when trying to replace
8183 a SET_SRC with a REG_EQUAL note.
8184 (distribute_notes): Use replaced_rhs_insn when determining the live
8185 range of a REG_DEAD register.
8187 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8188 Anatoly Sokolov <aesok@post.ru>
8190 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8191 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8192 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8193 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8194 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8195 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8196 at90usb647, at90usb1286 and at90usb1287 devices.
8197 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8198 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8200 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8202 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8204 2006-05-22 Richard Guenther <rguenther@suse.de>
8207 2006-01-31 Richard Guenther <rguenther@suse.de>
8208 Paolo Bonzini <bonzini@gnu.org>
8210 * doc/install.texi (--disable-libgcc-math): Document.
8212 2006-05-22 Richard Guenther <rguenther@suse.de>
8215 2006-01-31 Richard Guenther <rguenther@suse.de>
8217 * doc/invoke.texi (-msselibm): Document.
8218 * target.h (expand_library_builtin): New target hook.
8219 * builtins.c (expand_builtin): Use expand_library_builtin.
8220 (default_expand_library_builtin): New function.
8221 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8222 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8223 (link_gcc_math_spec): Declare.
8224 (static_specs): Add link_gcc_math_spec.
8225 * expr.h (default_expand_library_builtin): Declare.
8226 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8227 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8228 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8229 * config/i386/i386.opt (msselibm): New target option.
8230 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8231 (ix86_init_sse_abi_builtins): New function.
8232 (ix86_expand_library_builtin): Likewise.
8233 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8234 (override_options): Handle error conditions wrt -msselibm.
8235 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8236 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8237 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8240 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8243 * c-common.c (self_promoting_args_p): Skip erroneous args.
8246 * c-decl.c (finish_struct): Skip erroneous fields.
8248 2006-05-22 Nick Clifton <nickc@redhat.com>
8250 * config/cris/cris.opt (march): Remove VarExists attribute.
8251 (max-stackframe=): Likewise.
8253 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8255 * doc/rtl.texi: Fix a typo.
8256 * see.c: Fix comment typos.
8258 * tree-ssa-structalias.h (alias_info): Remove num_references.
8260 2006-05-21 Mike Stump <mrs@apple.com>
8262 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8264 (darwin_pragma_options): Use BAD instead.
8265 (darwin_pragma_unused): Likewise.
8266 (darwin_pragma_ms_struct): Likewise.
8268 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8270 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8272 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8274 PR rtl-optimization/27671
8275 * simplify-rtx.c (simplify_relational_operation_1): Fix
8276 simplifications of (eq/ne (xor x y) y) and
8277 (eq/ne (xor x y) x).
8279 PR tree-optimization/26622.
8280 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8283 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8285 * tree-cfg.c: Prune whitespace.
8286 (debug_tree_cfg): Point to correct header containing the
8289 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8292 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8294 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8297 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8298 or sorry count is non zero.
8300 2006-05-20 Andreas Schwab <schwab@suse.de>
8302 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8304 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8305 Kenneth Zadeck <zadeck@naturalbridge.com>
8307 PR rtl-optimization/26855
8309 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8311 (df_scan_alloc): Added code to properly handle multiword hard
8312 registers and add all_blocks parameter.
8313 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8314 code to properly handle multiword hard registers.
8315 (df_rescan_blocks): Added code to remove deleted blocks from
8317 (df_ref_create_structure, df_ref_record): Added code to properly
8319 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8320 and set DF_REF_PARTIAL.
8321 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8322 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8323 (df_scan_add_problem): Added flags parameter.
8324 (df_ref_create_structure): Changed switching structure.
8325 (df_bb_refs_record): Fixed case where duplicate artificial refs
8326 were created. Changed location of flags.
8327 (df_record_entry_block_defs): Added code to make stack pointer
8328 live in entry block. Refined cases where frame pointer is needed.
8329 Changed location of flags.
8330 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8331 (df_set_state): Removed function.
8332 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8333 df_insn_create_insn_record, df_insn_refs_delete,
8334 df_ref_create_structure): Formatting changes.
8335 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8336 df_delete_basic_block): New function.
8337 (df_init): Changed location of flags.
8338 (df_add_problem): Added flags parameter and the way flags are
8340 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8341 debug_df_chain): Improved debugging output.
8342 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8343 (df_refs_chain_dump): Removed df parameter.
8344 (df_iterative_dataflow): Added consistency check.
8345 (df_prune_to_subcfg): Made public.
8346 (df_analyze_problem): Added blocks_to_init parameter and made
8348 (df_ref_record, df_bb_refs_record, df_mark_reg,
8349 df_record_exit_block_uses): Whitespace changes.
8350 (df_dump): Whitespace changes.
8351 * df.h: Some reordering to remove forward references.
8352 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8353 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8354 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8355 (dataflow.flags): New field.
8356 (df.flag): Deleted field.
8357 (df_alloc_function): Added additional bitmap parameter.
8358 (df_dependent_problem_function): New type.
8359 (df_problem.changeable_flags): New field.
8360 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8361 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8362 (df_mw_hardreg): New struct.
8363 (DF_INSN_UID_MWS): New macro.
8364 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8366 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8367 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8368 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8369 (df_set_state): Removed function.
8370 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8371 * df-problems.c (df_chain_dump): Removed df parameter.
8372 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8373 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8375 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8376 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8377 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8378 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8379 DF_REF_MUST_CLOBBER cases.
8380 (df_ru_bb_local_compute_process_def,
8381 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8382 df_lr_bb_local_compute, df_ur_bb_local_compute,
8383 df_chain_create_bb): Made subreg aware.
8384 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8385 df_lr_bb_local_compute, df_lr_bb_local_compute,
8386 df_chain_create_bb): Cleanup to use proper macros.
8387 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8388 code to fixup bitvectors.
8389 (df_ri_alloc): Cleared lifetime.
8390 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8391 df_create_unused_note): New function.
8392 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8393 REG_DEAD and REG_UNUSED notes as well as register information.
8394 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8395 df_chains_dump): Fixed crash if problem was never run.
8396 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8397 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8398 df_ri_add_problem): Processes flags in uniform manner.
8399 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8400 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8401 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8402 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8403 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8404 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8405 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8406 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8407 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8408 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8409 * see.c (see_initialize_data): Ditto.
8410 * final.c (rest_of_clean_state) Added regstack_completed.
8411 * rtl.h (regstack_completed): Ditto.
8412 * reg-stack.c (regstack_completed): Ditto.
8414 2006-05-19 Mike Stump <mrs@apple.com>
8416 * c-tree.h (default_conversion): Remove.
8417 * c-common.h (default_conversion): Add.
8419 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8421 * tree-vrp.c (valid_value_p): New function.
8422 (adjust_range_with_scev): Fail if the value of bound is not
8425 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8427 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8428 (mips_fallback_frame_state): Use syscall numbers to determine
8429 the appropriate li instruction for the current ABI. Only use
8430 __NR_sigreturn for o32.
8432 2006-05-19 Nicolas Setton <setton@adacore.com>
8434 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8435 * langhooks.c (lhd_dwarf_name): New function.
8436 * langhooks-def.h (lhd_dwarf_name): Declare.
8437 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8438 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8439 * ada/misc.c (gnat_dwarf_name): New function.
8440 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
8442 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8444 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8446 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8447 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8448 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8449 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8450 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8451 determine the size of Wtype, etc.
8452 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8453 (swfloatfuncs): New variable.
8454 (dwfloatfuncs): Likewise.
8455 (lib2funcs): Remove floating-point conversion functions from
8456 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8457 the set of conversion routines needed. Allow entries to specify
8458 an object name, filename and word size. Update users accordingly.
8459 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8460 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8464 2006-02-08 Roger Sayle <roger@eyesopen.com>
8467 * config/fixtfdi.c: New libgcc source file.
8468 * config/fixunstfdi.c: New source file.
8469 * config/floatditf.c: New source file.
8470 * config/floatunditf.c: New souce file.
8471 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8472 files above instead of config/mips/_tilib.c.
8473 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8475 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8477 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8478 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8480 2006-05-18 Mike Stump <mrs@apple.com>
8482 Fix up vla, vm and [*] sematics.
8488 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8489 (c_vla_unspec_p): Add.
8490 (c_vla_type_p): Add.
8491 * c-decl.c (struct c_scope): Add had_vla_unspec.
8492 (build_array_declarator): Add support for [*].
8493 (grokdeclarator): Likewise.
8494 (grokparms): Likewise.
8495 (get_parm_info): Likewise.
8496 * c-objc-common.c (c_vla_unspec_p): Likewise.
8497 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8498 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8499 typeof when argument is a variably modified type not inside sizeof or alignof.
8500 (c_parser_direct_declarator_inner): Propagate errors.
8501 (c_parser_sizeof_expression): Add support for [*].
8502 (c_parser_parms_declarator): Initialize had_vla_unspec.
8503 (c_parser_parms_list_declarator): Likewise.
8504 * c-typeck.c (c_vla_type_p): Add.
8505 (composite_type): Add support for vla compositing.
8506 (comptypes_internal): Add support for vla compatibility.
8507 (c_expr_sizeof_expr): Evaluate vla arguments.
8508 * tree.c (variably_modified_type_p): Update comment for [*].
8510 2006-05-18 Michael Matz <matz@suse.de>
8513 * config.host: Make assignments to host_xmake_file cumulative.
8514 * config.host (*-darwin*): Test $host, not $target.
8516 2006-05-12 Stuart Hastings <stuart@apple.com>
8518 * config/i386/i386.opt (-mstackrealign): New flag.
8519 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8520 (ix86_handle_cconv_attribute): Emit error when
8521 force_align_arg_pointer attribute collides with too many regparms.
8522 (ix86_function_regparm): Limit regparms when used with
8523 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8524 Support stack-realigning prologue in non-main functions. Emit
8525 warning for nested functions under -mstackrealign, emit error for
8526 nested functions with force_align_arg_pointer attribute.
8527 * doc/extend.texi (force_align_arg_pointer): Document it.
8528 * doc/invoke.texi (-mstackrealign): Document it.
8530 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8532 PR rtl-optimization/27477
8533 * combine.c (try_combine): Don't split a parallel consisting
8534 of two sets into two individual sets if both sets reference
8537 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8539 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8540 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8542 * doc/options.texi (VarExists): Updated.
8544 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8546 * unwind-dw2.c: Add declarations for uw_update_context and
8548 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8549 detected, advance frame state and context once to skip over stub.
8551 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8555 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8556 Call rewrite_into_loop_closed_ssa only when something changed.
8557 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8558 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8559 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8560 Test for perfect_nest_p here. Fix formating.
8561 (replace_uses_equiv_to_x_with_y): Fix formating.
8562 (stmt_uses_op): Removed.
8563 (can_convert_to_perfect_nest): Removed loopivs parameter.
8564 Complete the test by checking the scalar dependences.
8565 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8568 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8571 From Dan Kegel <dank@kegel.com>:
8572 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8574 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8576 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8577 if the element type is variably modified without recursing.
8579 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8582 * tree-loop-linear.c (try_interchange_loops): Test for
8583 no data dependences.
8585 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8587 PR tree-optimization/27548
8588 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8589 range of ssa names that appear on abnormal edges.
8590 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8591 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8593 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8596 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8598 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8601 * tree.h (OMP_PARALLEL_COMBINED): Define.
8602 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8603 (new_omp_context): Add is_combined_parallel argument.
8604 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8605 new_omp_context caller.
8606 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8607 Adjust gimplify_scan_omp_clauses callers.
8608 (omp_is_private): Issue errors if iteration variable is firstprivate
8609 or reduction in the current context.
8610 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8611 on combined parallel workshare constructs.
8613 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8615 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8616 (gcc-options.o): New rule.
8618 * optc-gen.awk: Protect variables for gcc-options.o with
8619 #ifdef GCC_DRIVER/#endif.
8621 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8623 Fix PR tree-optimization/27373
8624 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8625 (forward_propagate_addr_expr): Update call.
8627 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8629 * doc/options.texi: Move the Negative option.
8631 2006-05-16 Richard Guenther <rguenther@suse.de>
8633 PR tree-optimization/22303
8634 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8636 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8637 ccp_fold did not simplify the statement.
8639 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8642 * Makefile.in (GCC_OBJS): New.
8643 (OBJS-common): Add opts-common.o.
8644 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8645 (cpp$(exeext)): Likewise.
8646 (gcc.o): Also depend on opts.h.
8647 (opts-common.o): New.
8649 * common.opt (gcoff): Add Negative(gdwarf-2).
8650 (gdwarf-2): Add Negative(gstabs).
8651 (gstabs): Add Negative(gstabs+).
8652 (gstabs+): Add Negative(gvms).
8653 (gvms): Add Negative(gxcoff).
8654 (gxcoff): Add Negative(gxcoff+).
8655 (gxcoff+): Add Negative(gcoff).
8656 * config/i386/i386.opt (m32): Add Negative(m64).
8657 (m64): Add Negative(m32).
8659 * doc/options.texi: Document the Negative option.
8661 * gcc.c: Include "opts.h".
8662 (main): Call prune_options after expandargv.
8664 * optc-gen.awk: Generate common declarations for all flag
8665 variables in options.c. Output the neg_index field.
8667 * opts.c (find_opt): Moved to ...
8668 * opts-common.c: Here. New file.
8670 * opts.h (cl_option): Add a neg_index field.
8672 (prune_options): Likewise.
8674 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8677 * omp-low.c (expand_omp_parallel): Don't assert
8678 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8679 instead search for it.
8682 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8685 2006-05-16 Andreas Schwab <schwab@suse.de>
8687 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8690 2006-05-15 Roger Sayle <roger@eyesopen.com>
8693 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8694 integer constants other than zero are only legitimate on TARGET_64BIT.
8695 <CONST_VECTOR> Only zero vectors are legitimate.
8696 (ix86_cannot_force_const_mem): Integral and vector constants can
8697 always be put in the constant pool.
8699 2006-05-16 DJ Delorie <dj@redhat.com>
8701 * crtstuff.c (__dso_handle): Set section from
8702 TARGET_LBIGCC_SDATA_SECTION if defined.
8703 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8704 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8706 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8709 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8712 2006-05-16 Ben Elliston <bje@au.ibm.com>
8714 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8716 2006-05-15 Per Bothner <per@bothner.com>
8718 * tree.c: (last_annotated_node): Use source_locus typedef.
8719 This permits bootstrapping with --enable-mapped-location.
8721 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8723 PR tree-optimization/26830
8724 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8725 (info_for_ssa_name, current_info_for_ssa_name_age,
8726 blocks_to_update): New variables.
8727 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8728 (clear_ssa_name_info, initialize_flags_in_bb,
8729 mark_block_for_update): New functions.
8730 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8731 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8732 prepare_def_site_for): Use mark_block_for_update.
8733 (mark_def_interesting): Assert that the processed block is marked in
8734 blocks_to_update. Do not take blocks argument.
8735 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8737 (rewrite_update_init_block, rewrite_update_stmt): Only process
8738 blocks with statements to rewrite.
8739 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8740 (update_ssa): Initialize and free blocks_to_update. Do not
8741 clear flags on statements. Do not use blocks bitmap.
8742 * tree.h (SSA_NAME_AUX): Removed.
8743 (struct tree_ssa_name): Removed aux field.
8744 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8746 2006-05-15 Richard Guenther <rguenther@suse.de>
8748 PR tree-optimization/27603
8749 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8750 Do computations in original type.
8752 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8754 * see.c: Code style changes such as redundant paranthesis,
8755 redundant intialization of local variables etc.
8756 (see_main): Declared now as static.
8757 * doc/invoke.texi: Update that -fsee is not enabled by
8760 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8762 * omp-low.c (check_omp_nesting_restrictions): New function.
8763 (scan_omp_1): Call it.
8766 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8767 construct, return *VAR.
8769 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8771 PR rtl-optimization/27406
8772 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8775 2006-05-14 Roger Sayle <roger@eyesopen.com>
8777 PR rtl-optimization/27538
8778 * combine.c (expand_compound_operation): Call gen_lowpart
8779 before calling simplify_shift_const.
8781 2006-05-14 Roger Sayle <roger@eyesopen.com>
8783 PR rtl-optimization/22563
8784 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
8785 a fixed width bitfield, always force the intermediates into psuedos.
8787 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
8790 * mkconfig.sh: Use operator = instead of == for test.
8792 2006-05-13 Nick Clifton <nickc@redhat.com>
8794 * dwarf2out.c (dbx_reg_number): Check return value from
8795 LEAF_REG_REMAP and only use it if it is valid.
8796 (multiple_reg_loc_descriptor): Likewise.
8798 2006-05-13 Richard Guenther <rguenther@suse.de>
8800 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
8803 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
8805 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
8806 information attached to non-INSNs such as NOTEs.
8807 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
8809 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
8811 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
8813 * config/s390/s390.md: Adjust comment describing On constraint.
8815 2006-05-11 Jan Hubicka <jh@suse.cz>
8817 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
8818 to be output at -O0.
8820 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8823 * fold-const.c (size_binop): Move sanity check for arguments to
8824 the beginning of the function.
8827 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
8830 2006-05-11 Richard Guenther <rguenther@suse.de>
8833 * fold-const.c (fold_unary): Handle intermediate conversion
8834 to a pointer type like intermediate conversion to an integer
8835 type in folding of (T1)(T2)var to var.
8836 Match the code to the comment in the final conversion for
8837 (T1)(T2)var to (T1)var regarding to type precision. Rather
8838 than disallow T1 being of pointer type, assert that both T1
8839 and var are of pointer type or not. Make sure not to fall
8840 over the frontends lazyness wrt array to pointer decay though.
8842 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
8844 * arm.c (arm_struct_value_rtx): Delete.
8845 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
8846 (arm_init_cumulative_args): Always initialize nregs to zero.
8848 2006-05-10 Richard Guenther <rguenther@suse.de>
8850 PR tree-optimization/27532
8851 * tree-object-size.c (plus_expr_object_size): Fix typo.
8853 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
8856 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
8857 ashrdi_const, ashrdi3): Use a scratch register.
8859 2006-05-10 Richard Guenther <rguenther@suse.de>
8861 PR tree-optimization/27302
8862 * fold-const.c (operand_equal_p): For two comparisons,
8863 try comparison of one comparison code swapped if that yields
8866 2006-05-10 Ben Elliston <bje@au.ibm.com>
8868 * tree-pretty-print.c (pretty_print_string): No need to handle
8869 '\0' as a special character.
8871 * tree.h: Include "hashtab.h".
8872 (iterative_hash_expr): Use hashval_t in its prototype.
8873 * Makefile.in (TREE_H): Add $(HASHTAB_H).
8875 2006-05-09 Steve Ellcey <sje@cup.hp.com>
8878 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
8879 (hppa*64*-*-hpux11*): Ditto.
8880 (hppa[12]*-*-hpux11*): Ditto.
8882 2006-05-09 David Edelsohn <edelsohn@gnu.org>
8885 * config/rs6000/aix41.h (TARGET_64BIT): Define.
8887 2006-05-09 Michael Matz <matz@suse.de>
8889 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
8890 host_extra_gcc_objs and host_xmake_file.
8891 (<*-*-linux*>): Don't overwrite host_xmake_file.
8892 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
8893 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
8894 (host_detect_local_cpu): Declare.
8895 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
8896 * config/i386/i386.c (override_options): Handle -mtune=native
8898 * config/i386/x-i386: New file.
8899 * config/i386/driver-i386.c: New file.
8900 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
8903 2006-05-09 Dirk Mueller <dmueller@suse.de>
8904 Richard Guenther <rguenther@suse.de>
8907 * fold-const.c (fold_read_from_constant_string): Relax check
8908 for matching types to matching modes.
8910 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
8912 PR rtl-optimization/27335
8913 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
8916 2006-05-08 Chao-ying Fu <fu@mips.com>
8917 Richard Sandiford <richard@codesourcery.com>
8919 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
8920 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
8921 * config/mips/mips.md (UNSPEC_SCC): New constant.
8922 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
8923 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
8924 (mips_emit_compare): Use it.
8925 (mips_expand_vcondv2sf): New function.
8927 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
8929 Fix PR tree-optimization/27093
8930 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
8931 renaming when they become not-used_alone.
8933 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8935 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
8936 relocation and relocation stubs.
8938 2006-05-08 Eric Christopher <echristo@apple.com>
8940 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
8943 2006-05-08 Jan Hubicka <jh@suse.cz>
8946 * cgraphunit.c (decide_is_function_needed): When not optimizing even
8947 unused static functions are needed.
8949 2006-05-08 Roger Sayle <roger@eyesopen.com>
8952 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8953 of a reg_equiv_constant if the result is a legitimate constant.
8955 2006-05-08 Uros Bizjak <uros@kss-loka.si>
8958 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
8959 standard 80387 constants, raise the cost to prevent
8960 compress_float_constant() to generate load from memory.
8962 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
8964 * config/arm/constraints.md (c): Fix a typo.
8966 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
8969 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
8972 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
8974 (_mm_mwait): Likewise.
8976 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
8978 (sse3_monitor): Make it 32bit only.
8979 (sse3_monitor64): New. 64bit monitor.
8981 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8984 * config/i386/i386.c (classify_argument): Skip fields with invalid
8987 2006-05-07 Richard Guenther <rguenther@suse.de>
8989 PR tree-optimization/27409
8990 * tree-ssa-structalias.c (get_constraint_for_component_ref):
8991 Do not try to find zero-sized subvars.
8993 2006-05-07 Richard Guenther <rguenther@suse.de>
8995 PR tree-optimization/27136
8996 * tree-ssa-loop-niter.c (get_val_for): Correct function
8997 comment, assert requirements.
8998 (loop_niter_by_eval): Stop processing if the iterated
8999 value did not simplify.
9001 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9003 * opts.c (flag_see): remove its setting at -O3.
9005 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9007 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9008 * arm/constraints.md: New file.
9009 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9010 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9011 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9012 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9013 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9014 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9015 * arm.md: Include constraints.md.
9016 (thumb_movsi_insn): Use satisfies_constraint_J.
9017 (movhi, movqi): Use satisfies_constraint_I.
9019 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9021 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9022 for atmeg a645 device.
9024 2006-05-06 Richard Guenther <rguenther@suse.de>
9026 PR tree-optimization/27151
9027 * tree-vect-transform.c (vectorizable_condition): Punt on
9028 values that have a different type than the condition.
9030 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9033 * c-parser.c (c_parser_cast_expression): Only insert casts into
9034 hash table if pointer.
9035 * function.c (used_types_insert_helper): Rename from
9037 (used_types_insert): Call used_types_insert_helper.
9038 * function.h (used_types_insert): Accept only one argument.
9040 2006-05-05 David Edelsohn <edesohn@gnu.org>
9042 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9043 scratch with output modifier.
9045 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9048 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9049 with output modifier.
9051 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9054 * config/mips/mips.c (mips_symbolic_address_p): Return true
9055 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9056 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9058 2006-05-04 Richard Guenther <rguenther@suse.de>
9060 PR tree-optimization/14287
9061 PR tree-optimization/14844
9062 PR tree-optimization/19792
9063 PR tree-optimization/21608
9064 PR tree-optimization/27090
9065 * tree-ssa-pre.c (try_combine_conversion): New function.
9066 (compute_avail): After constructing the value-handle
9067 expression, use try_combine_conversion to combine NOP_EXPRs
9068 with previous value-handle expressions and use the result if it
9071 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9073 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9075 2006-05-04 Jan Hubicka <jh@suse.cz>
9078 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9080 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9082 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9083 that this only matches CONST_INTs. All users changed to VOIDmode
9086 * config/bfin/bfin.c: Include "optabs.h".
9087 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9089 (enum bfin_builtins): Add a number of fractional and vector builtins.
9090 (bfin_init_builtins): Likewise.
9091 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9092 (safe_vector_operand, bfin_expand_binop_builtin,
9093 bfin_expand_unop_builtin): New functions.
9094 (bfin_expand_builtin): Handle the new builtins.
9095 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9098 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9101 * Makefile.in (OBJS-common): Add see.o.
9102 (see.o): Add dependencies.
9103 * common.opt (fsee): New flag for the see optimization was added.
9104 * opts.c (flag_see): Initialized.
9105 * passes.c (init_optimization_passes, pass_see): New pass.
9106 * rtl.h (see_main): Declaration as extern.
9107 * timevar.def (TV_SEE): New.
9108 * tree-pass.h (pass_see): Declaration as extern.
9109 * invoke.texi (-fsee): Document.
9110 * recog.c (validate_simplify_insn): New function.
9111 * recog.h (validate_simplify_insn): Declaration as extern.
9112 * df-problems.c (df_chain_dump): Check for NULL.
9114 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9115 Daniel Berlin <dberlin@dberlin.org>
9117 * cfgrtl.c (insert_insn_bb_end_new): New function.
9118 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9120 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9122 * df.h (struct web_entry): Moved from web.c.
9123 (union_defs): Declaration as extern.
9124 (unionfind_root): Likewise.
9125 (unionfind_union): Likewise.
9126 * web.c (struct web_entry): Moved to df.h.
9127 (unionfind_root): Remove static declaration.
9128 (unionfind_union): Likewise.
9129 (union_defs): Likewise and generalize to use callback function.
9130 (web_main): Update arguments for union_defs function call.
9132 2006-05-04 Richard Guenther <rguenther@suse.de>
9134 PR tree-optimization/26447
9135 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9136 produce SSA_NAME copies before the store stmt to avoid
9137 breaking exception handling.
9139 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9142 * gimplify.c (omp_is_private): If var is shared in some outer context,
9143 return false instead of true. Stop searching on parallel context
9146 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9149 * coverage.c: Use get_gcov_unsigned_t() instead of
9150 unsigned_type_node all over.
9152 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9154 PR tree-optimization/27381
9155 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9156 maintain the same immediate_use links.
9157 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9158 node rather than segfaulting.
9160 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9163 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9164 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9165 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9167 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9169 Fix PR tree-optimization/26626
9170 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9172 * tree-ssa-operands.c (access_can_touch_variable): Allow
9173 typecasting through union pointers.
9175 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9178 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9179 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9180 to find if var will be a global variable even in the nested context.
9181 (omp_copy_decl): Only check for global variable at the end, it might
9182 be overridden in outer contexts.
9183 (scan_sharing_clauses): For global variables don't create a field.
9184 (lower_rec_input_clauses): Do nothing for global shared variables.
9185 Emit a barrier at the end of ILIST if there were any decls in both
9186 firstprivate and lastprivate clauses.
9187 (lower_send_clauses): Do nothing for global variables except for
9190 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9192 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9193 of the correct signedness is returned.
9195 2006-05-02 Jeff Law <law@redhat.com>
9197 PR tree-optimization/27364
9198 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9199 multiply expressions.
9201 2006-05-02 Tom Tromey <tromey@redhat.com>
9203 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9205 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9208 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9209 -mthumb -fPIC are used.
9211 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9212 Joshua Kinard <kumba@gentoo.org>
9215 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9216 with 64-bit pointers.
9218 2006-05-02 Paul Brook <paul@codesourcery.com>
9220 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9222 (create_fix_barrier): Check that a suitable barrier location is
9224 (arm_reorg): Include ftmp->address in allowable range of addresses.
9226 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9229 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9232 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9235 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9236 around RESULT_DECL for result passed by reference.
9237 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9238 * omp-low.c (use_pointer_for_field): Don't look at
9239 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9240 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9241 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9242 time or var for passing by reference for
9243 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9244 TREE_ADDRESSABLE variables when passing by reference.
9246 * omp-low.c (dump_omp_region): Fix output formatting.
9249 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9250 (expand_omp_parallel): Likewise.
9251 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9254 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9255 on statement list containing also constructors and destructors.
9256 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9259 * except.c (duplicate_eh_regions): Fix clearing of
9260 cfun->eh->region_array entries.
9262 2006-05-01 DJ Delorie <dj@redhat.com>
9264 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9266 (gcc_cv_objdump): Likewise.
9267 * configure: Regenerated.
9269 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9272 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9273 templates for case 3 and 4.
9275 2006-05-01 DJ Delorie <dj@redhat.com>
9277 * vec.c: Include bconfig.h when appropriate.
9278 * Makefile.in (build/vec.o): Adjust dependencies.
9279 * mkconfig.sh: Make sure config.h isn't used for build machine
9282 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9284 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9286 (mark_phi_for_rewrite): New function.
9287 (insert_phi_nodes_for, mark_use_interesting): Call
9288 mark_phi_for_rewrite.
9289 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9290 (update_ssa): Initialize and free phis_to_rewrite.
9292 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9294 PR rtl-optimization/27291
9295 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9296 folded to a constant.
9298 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9300 PR tree-optimization/27283
9301 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9302 not whole # of iteration descriptions.
9303 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9304 uses abnormal ssa name.
9305 (niter_for_single_dom_exit): Ditto.
9306 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9307 return just the number of iterations.
9309 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9311 PR tree-optimization/27144
9312 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9313 (record_estimate): Only record constant upper bound.
9314 (infer_loop_bounds_from_undefined): Call
9315 compute_estimated_nb_iterations just once.
9316 (proved_non_wrapping_p): Renamed to ...
9317 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9318 (convert_step_widening, scev_probably_wraps_p): Call
9319 n_of_executions_at_most instead of proved_non_wrapping_p.
9320 (substitute_in_loop_info): Do not replace values in bounds.
9321 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9324 2006-05-01 Richard Henderson <rth@redhat.com>
9327 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9328 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9331 2006-05-01 Roger Sayle <roger@eyesopen.com>
9333 * c-typeck.c (parser_build_binary_op): Don't call the function
9334 unsigned_conversion_warning to spot operand/result type overflow.
9335 (build_binary_op): Instead, call convert_and_check instead of
9336 convert to report the problem when the operands are promoted.
9337 * c-common.c (unsigned_conversion_warning): Make static.
9338 * c-common.h (unsigned_conversion_warning): Delete prototype.
9340 2006-05-01 Richard Guenther <rguenther@suse.de>
9342 PR tree-optimization/26726
9343 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9345 (find_interesting_uses_address): ... we work around here
9346 by folding INDIRECT_REFs in the substituted base.
9348 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9350 * omp-low.c (dump_omp_region): Add newlines.
9352 2006-04-30 Roger Sayle <roger@eyesopen.com>
9354 * common.opt (Woverflow): New command line option.
9355 * c-common.c (constant_expression_warning): Check warn_overflow.
9356 (overflow_waring): Pass OPT_Woverflow to warning.
9357 (unsigned_conversion_warning): Likewise.
9358 (convert_and_check): Likewise.
9359 * doc/invoke.texi: Document new command line option.
9361 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9363 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9364 TARGET_NO_FP_IN_TOC for section anchors.
9365 (optimization_options): Enable section anchors for all
9366 non-"Objective" languages.
9368 2006-04-28 Eric Christopher <echristo@apple.com>
9370 * config/darwin-c.c (darwin_ms_struct): Move this
9371 (darwin_set_default_type_attributes): and this...
9372 * config/darwin.c: ... here.
9373 * config/darwin.h (darwin_ms_struct): Declare.
9375 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9377 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9379 2006-04-28 Roger Sayle <roger@eyesopen.com>
9382 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9383 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9384 an unsigned HOST_WIDE_INT.
9385 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9387 (really_start_incremental_init): No need to call convert because
9388 bitsize_zero_node is already of type bitsizetype.
9389 (push_init_level): Extract the value of constructor_index as an
9390 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9391 (process_init_element): Likewise.
9393 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9395 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9396 value before passing to make_relative_prefix.
9398 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9401 * builtins.c (expand_builtin_memset): Expand val in original mode.
9403 2006-04-27 Eric Christopher <echristo@apple.com>
9405 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9406 with #ifndef/#endif.
9407 * config/darwin-c.c (darwin_ms_struct): New.
9408 (darwin_pragma_ms_struct): Ditto.
9409 (darwin_set_default_type_attributes): Ditto.
9410 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9411 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9412 Register ms_struct pragma.
9413 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9414 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9415 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9416 darwin_set_default_type_attributes if TARGET_MACHO.
9418 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9420 PR tree-optimization/26854
9421 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9422 * doc/tree-ssa.texi: Update immuse iterator documentation.
9423 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9424 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9425 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9426 first_safe_imm_use, next_safe_imm_use): Remove.
9427 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9428 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9429 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9430 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9431 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9432 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9433 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9434 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9435 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9436 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9437 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9438 (perfect_nestify): Use new iterator.
9439 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9441 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9442 (next_imm_name): New field in struct immediate_use_iterator_d.
9443 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9444 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9445 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9446 * tree-cfg.c (replace_uses_by): Use new iterator.
9447 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9448 * tree-ssa-operands.c (correct_use_link): Remove.
9449 (finalize_ssa_use_ops): No longer call correct_use_link.
9451 2006-04-27 Stuart Hastings <stuart@apple.com>
9453 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9454 * config/t-darwin (crt3.o): Use it.
9455 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9456 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9457 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9458 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9459 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9462 2006-04-27 Roger Sayle <roger@eyesopen.com>
9464 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9465 size, force the intermediate into a new pseudo rather instead of
9466 performing both a bitwise AND and a bitwise IOR in memory.
9468 2006-04-27 Richard Guenther <rguenther@suse.de>
9470 PR rtl-optimization/26685
9471 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9472 this one "max-flow-memory-locations".
9474 2006-04-27 Richard Guenther <rguenther@suse.de>
9476 PR tree-optimization/25148
9477 * tree-vrp.c (compare_values): Remove code dealing with
9478 comparisons against type min/max value. Honour overflow
9479 and negative constants in code dealing with comparisons
9480 of plus and minus expressions.
9481 (value_inside_range): Use fold_binary with LE_EXPR and
9482 GE_EXPR rather than compare_values.
9484 2006-04-27 Dirk Mueller <dmueller@suse.de>
9486 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9489 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9491 * basic-block.h (safe_insert_insn_on_edge): Removed.
9492 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9494 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9495 Paolo Bonzini <bonzini@gnu.org>
9498 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9499 (simplify_and_const_int): Same.
9501 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9503 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9505 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9508 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9509 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9510 cgraph_global_info_ready.
9513 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9516 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9517 either decl or init is error_mark_node.
9520 * tree-flow.h (struct omp_region): Add sched_kind.
9521 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9522 instead of extracting omp for data.
9523 (expand_omp_for): Save extracted sched_kind.
9525 2006-04-25 Roger Sayle <roger@eyesopen.com>
9527 * expmed.c (store_bit_field): Also check whether the bitsize is
9528 valid for the machine's "insv" instruction before moving the
9529 target into a pseudo for use with the insv.
9530 * config/i386/predicates.md (const8_operand): New predicate.
9531 * config/i386/i386.md (extv, extzv, insv): Use the new
9532 const8_operand predicate where appropriate.
9534 2006-04-25 DJ Delorie <dj@redhat.com>
9536 * doc/install.texi (Specific): Clarify that this is not a list of
9537 supported hosts or targets.
9539 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9541 PR rtl-optimization/26725
9542 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9543 block's BB_DIRTY flag.
9545 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9547 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9550 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9551 to print an integer.
9553 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9555 * varasm.c (align_variable): New function.
9556 (get_block_for_decl): Apply align_variable to DECL before
9557 calculating section information.
9558 (assemble_variable): Split out alignment computation.
9560 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9562 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9565 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9567 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9568 MODE_PARTIAL_INT mode.
9569 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9570 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9572 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9573 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9575 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9577 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9579 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9580 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9581 MACFLAG_IH): Likewise.
9582 (movstricthi_1): Renamed from "*movstricthi".
9583 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9584 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9585 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9586 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9587 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9588 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9589 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9590 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9591 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9592 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9593 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9594 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9595 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9596 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9597 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9599 * doc/rtl.texi (ss_ashift): Improve wording.
9601 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9603 * dwarf2out.c (verify_marks_clear): New.
9604 (prune_unused_types): Call verify_marks_clear initially, not
9607 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9609 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9610 * doc/rtl.texi: Document them.
9611 * simplify-rtx.c (simplify_unary_operation,
9612 simplify_binary_operation_1): Don't abort when we see them.
9614 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9617 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9618 * configure.ac: Completely disregard languages that are not
9620 * configure: Regenerated.
9622 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9623 Richard Guenther <rguenther@suse.de>
9625 PR tree-optimization/27236
9626 * tree-inline.c (copy_body_r): Make sure to copy
9627 TREE_THIS_VOLATILE flag.
9629 2006-04-24 Richard Guenther <rguenther@suse.de>
9632 * tree-complex.c (update_parameter_components): Don't handle
9633 unused parameters which have no default def.
9635 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9636 Richard Guenther <rguenther@suse.de>
9638 PR tree-optimization/27218
9639 * tree-inline.c (expand_call_inline): Strip useless type
9640 conversions for the return slot address.
9642 2006-04-24 Richard Guenther <rguenther@suse.de>
9644 * cfgloop.h (struct loops): Remove unused field array. Reorder
9646 (LOOP_PREFETCH): Remove.
9648 2006-04-24 Richard Guenther <rguenther@suse.de>
9650 PR tree-optimization/22525
9651 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9652 variable, adjust types of generated expressions.
9654 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9656 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9657 (tree-vect-patterns.o): Likewise.
9659 (cselib.o): Likewise.
9660 (loop-doloop.o): Likewise.
9661 (regclass.o): Likewise.
9662 (reload1.o): Likewise.
9663 (explow.o): Replace target.h with $(TARGET_H).
9664 (ipa-prop.o): Likewise.
9665 (ipa-cp.o): Likewise.
9666 (ipa-inline.o): Likewise.
9667 (reorg.o): Likewise.
9668 (reg-stack.o): Likewise.
9670 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9672 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9674 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9676 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9678 * configure.ac: Completely disregard languages that are not
9680 * configure: Regenerated.
9683 * c-common.h (c_build_bitfield_integer_type): Declare.
9684 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9685 * c-common.c (c_build_bitfield_integer_type): ... here.
9687 2006-04-23 Roger Sayle <roger@eyesopen.com>
9690 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9691 a SImode SUBREG of a floating point register after no_new_pseudos.
9693 2006-04-23 Roger Sayle <roger@eyesopen.com>
9695 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9696 identify potentially eliminable registers to additionally catch
9697 VIRTUAL_INCOMING_ARGS_REGNUM.
9698 (addsi3): Update the conditions on when to use addsi_small_int.
9700 2006-04-23 Roger Sayle <roger@eyesopen.com>
9703 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9704 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9705 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9707 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9709 * fold-const.c (range_predecessor): Use operand_equal_p
9710 as the predicate for equality.
9711 (range_successor): Likewise.
9713 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9716 * config/soft-fp/op-common.h: Fix a typo.
9718 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9721 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9722 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9724 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9726 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9728 * doc/tm.texi: Fix a typo.
9730 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9732 * dwarf2out.c (struct die_struct): Document that die_sib makes
9733 a circular linked list.
9734 (FOR_EACH_CHILD): New.
9735 (reverse_die_lists): Delete.
9736 (reverse_all_dies): Delete.
9737 (add_dwarf_attr): Correct documentation.
9738 (remove_child_with_prev): New.
9739 (remove_child_TAG): Update for change to die_struct, use
9740 remove_child_with_prev.
9741 (add_child_die): Update for change to die_struct.
9742 (splice_child_die): Use remove_child_with_prev and add_child_die.
9743 (print_die): Use FOR_EACH_CHILD.
9744 (die_checksum): Likewise.
9745 (assign_symbol_names): Likewise.
9746 (output_location_lists): Likewise.
9747 (build_abbrev_table): Likewise.
9748 (calc_die_sizes): Likewise.
9749 (mark_dies): Likewise.
9750 (unmark_dies): Likewise.
9751 (unmark_all_dies): Likewise.
9752 (output_die): Likewise.
9753 (prune_unused_types_mark): Likewise.
9754 (prune_unused_types_walk): Likewise.
9755 (same_die_p): Update for change to die_struct.
9756 (break_out_includes): Likewise.
9757 (prune_unused_types_prune): Likewise.
9758 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9759 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9761 (dwarf2out_finish): Don't call reverse_all_dies.
9763 2006-04-21 Eric Christopher <echristo@apple.com>
9765 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9766 in comments and function names.
9768 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9771 * c-typeck.c (digest_init): Robustify.
9773 * c-typeck.c (pop_init_level): Simplify.
9775 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9777 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9779 2006-04-21 Paul Brook <paul@codesourcery.com>
9781 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9782 hardware floating point.
9784 2006-04-21 David Edelsohn <edelsohn@gnu.org>
9786 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
9789 2006-04-21 Nick Clifton <nickc@redhat.com>
9791 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
9794 2006-04-21 Alan Modra <amodra@bigpond.net.au>
9797 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
9798 C++ lang type in traceback table for Objective-C++.
9800 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
9802 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
9804 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
9806 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9809 * tree-mudflap.c (mudflap_finish_file): Skip function when there
9810 were errors. Remove check for erroneous objects.
9812 2006-04-20 Jeff Law <law@redhat.com>
9814 PR tree-optimization/26854
9815 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
9816 checking for zero or one use.
9817 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
9818 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
9819 * tree-ssa-reassoc.c (negate_value): Similarly.
9820 (reassociate_bb): Similarly.
9822 2006-04-20 Jakub Jelinek <jakub@redhat.com>
9824 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
9825 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
9826 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
9828 2006-04-20 Alan Modra <amodra@bigpond.net.au>
9830 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
9831 fp regs if the last fp arg doesn't fit in regs.
9833 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
9836 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
9837 that the last insn has the REG_INC note.
9839 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
9840 Nathan Sidwell <nathan@codesourcery.com>
9843 * stor-layout.c (update_alignment_for_field): Do not align
9845 (place_union_field): Place union field at the start of the union.
9846 (place_field): Move ERROR_MARK check later, and use the current
9847 allocation position to maintain monotonicity.
9849 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
9851 * dominance.c: Include timevar.h.
9852 (calculate_dominance_info): Use TV_DOMINANCE.
9853 * timevar.def (TV_DOMINANCE): New timevar.
9854 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
9856 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9858 PR rtl-optimization/14261
9859 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
9860 move would be an INSV insn.
9861 (noce_process_if_block): Don't optimize if the destination is a
9862 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
9864 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
9866 * config/s390/s390.md: Add comments with the instructions emitted
9867 by an insn pattern if macros are used.
9869 2006-04-19 Alan Modra <amodra@bigpond.net.au>
9871 PR rtl-optimization/26026
9872 * fold-const.c (fold_binary): Optimize div and mod where the divisor
9873 is a known power of two shifted left a variable amount.
9875 2006-04-18 Geoffrey Keating <geoffk@apple.com>
9877 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
9878 to hash table twice when the debug_str section has SECTION_MERGE.
9880 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
9882 * config/soft-fp: New directory. From glibc.
9883 * config/soft-fp/t-softfp: New.
9884 * config/soft-fp/README: New.
9885 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
9886 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
9887 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
9888 (LIBGCC_DEPS): Add $(SFP_MACHINE).
9889 * config.gcc: Use rs6000/t-fprules-fpbit or
9890 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
9892 * config/rs6000/sfp-machine.h: New. Based on glibc.
9893 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
9895 * config/rs6000/t-fprules: Remove fp-bit rules.
9896 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
9897 * config/rs6000/t-linux64: Likewise. Remove duplicates from
9898 LIB2FUNCS_EXTRA. Remove fp-bit rules.
9899 (softfp_wrap_start, softfp_wrap_end): New.
9901 2006-04-18 DJ Delorie <dj@redhat.com>
9903 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
9905 2006-04-18 Devang Patel <dpatel@apple.com>
9907 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
9909 2006-04-18 Nick Clifton <nickc@redhat.com>
9911 * config/sh/t-symbian: Add rule to build sh-c.o
9912 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
9913 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
9914 (sh_symbian_encode_section_info): Likewise.
9916 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
9918 * builtins.c (expand_builtin_strcmp): Cover label definition of
9919 do_libcall with HAVE_cmpstrnsi.
9921 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
9923 * function.c (temp_slots_at_level, max_slot_level): Use VEC
9925 * function.h (temp_slot_p): New.
9926 (function): Change the type of x_used_temp_slots to
9927 VEC(temp_slot_p,gc) *.
9929 2006-04-18 Nick Clifton <nickc@redhat.com>
9931 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
9932 flag_strength_reduce.
9934 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
9936 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9940 Partial revert of revision 112637
9941 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
9942 Dale Johannesen <dalej@apple.com>
9945 * regclass.c (struct reg_pref): Update documentation.
9946 (regclass): Set prefclass to NO_REGS if memory is the best option.
9947 (record_reg_classes): Cope with a prefclass set to NO_REGS.
9949 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
9951 PR tree-optimization/26821
9952 * tree-ssa-math-opts.c (get_constant_one): New.
9953 (insert_reciprocals): Use it.
9955 2006-04-17 Geoffrey Keating <geoffk@apple.com>
9957 * dwarf2out.c (free_AT): Delete.
9958 (remove_AT): Update string ref counts.
9959 (remove_child_TAG): Don't call free_die.
9961 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
9962 or DW_TAG_GNU_EINCL.
9963 (prune_unused_types_walk_attribs): Reset string refcounts.
9964 (prune_unused_types_update_strings): New.
9965 (prune_unused_types_prune): Don't make unnecessary stores. Don't
9966 call free_die. Do call prune_unused_types_update_strings.
9967 (prune_unused_types): Empty debug_str_hash.
9969 2006-04-17 Roger Sayle <roger@eyesopen.com>
9971 * expr.c (expand_assignment): Optimize away no-op moves where the
9972 source and destination are equal and have no side-effects.
9974 2006-04-17 Richard Guenther <rguenther@suse.de>
9977 * reload.c (push_reload): Guard calls to get_secondary_mem
9980 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
9982 * alias.c (reg_base_value, old_reg_base_value): Change the
9983 type to VEC(rtx,gc) *.
9984 (REG_BASE_VALUE, find_base_value, record_set,
9985 init_alias_analysis): Use VEC instead of VARRAY.
9987 * alias.c (alias_sets): Change the type to
9988 VEC(alias_set_entry,gc) *.
9989 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
9990 VEC instead of VARRAY.
9991 (last_alias_set): Remove.
9993 * cgraph.h (cgraph_edge_p): New.
9994 Update the prototype of cgraph_function_versioning.
9995 * cgraphunit.c (cgraph_copy_node_for_versioning,
9996 cgraph_function_versioning): Use VEC instead of VARRAY.
9997 * ipa-cp.c (ipcp_insert_stage): Likewise.
9999 2006-04-16 Roger Sayle <roger@eyesopen.com>
10002 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10003 "A op B" or "A op C", we may need to convert A to the type of B and C.
10005 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10007 * target.h (struct gcc_target): Add mode_rep_extended.
10008 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10009 (init_num_sign_bit_copies_in_rep): Initialize it using
10011 (truncate_to_mode): Use it.
10012 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10013 * targhooks.h (default_mode_rep_extended): Declare it.
10014 * targhooks.c (default_mode_rep_extended): Define it.
10015 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10016 default_mode_rep_extended.
10017 (TARGET_INITIALIZER): Include it.
10018 * doc/tm.texi (Misc): Document it.
10019 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10020 (mips_truncated_to_mode): New function.
10022 2006-04-16 Roger Sayle <roger@eyesopen.com>
10024 PR middle-end/25474
10025 * expr.c (compress_float_constant): Copy the narrow constant into
10026 a new pseudo before extending it to its final width.
10028 2006-04-16 Roger Sayle <roger@eyesopen.com>
10029 Andrew Pinski <pinskia@gcc.gnu.org>
10030 Dale Johannesen <dalej@apple.com>
10033 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10034 special case code to implement V8HImode and V16QImode with SSE2.
10036 2006-04-15 Roger Sayle <roger@eyesopen.com>
10038 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10039 trees are constructed with a suitable tree type.
10041 2006-04-15 Roger Sayle <roger@eyesopen.com>
10043 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10044 (integer_onep): Likewise.
10045 (integer_all_onesp): Likewise.
10046 (integer_pow2p): Likewise.
10047 (integer_nonzerop): Likewise.
10048 (real_zerop): Likewise.
10049 (real_onep): Likewise.
10050 (real_twop): Likewise.
10051 (real_minus_onep): Likewise.
10052 (int_size_in_bytes): Likewise.
10053 (host_integerp): Likewise.
10055 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10057 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10058 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10059 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10061 * tree-ssa-structalias.h (alias_info): Remove num_references.
10063 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10065 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10066 (output_bvb patterns): Likewise.
10067 * pa.c (output_bb): Use 'bb' insn for long branch case.
10068 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10069 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10070 1. Correct length operand for alternatives 1 and 2.
10071 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10072 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10074 2006-04-14 Roger Sayle <roger@eyesopen.com>
10076 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10077 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10078 were accidentally reverted by r112959.
10080 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10082 PR middle-end/26823
10083 * except.h (eh_region_outermost): New prototype.
10084 * except.c (eh_region_outermost): New function.
10085 * tree-cfg.c (find_outermost_region_in_block): Use it.
10087 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10089 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10091 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10092 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10093 (init_reload, reload): Use VEC instead of VARRAY.
10094 * reload.h: Update the prototype for
10095 reg_equiv_memory_loc_varray.
10097 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10098 Eric Botcazou <ebotcazou@libertysurf.fr>
10100 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10101 register save area.
10103 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10105 PR middle-end/27134
10106 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10107 to expand fallback builtin function call.
10109 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10111 PR middle-end/27095
10112 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10113 and emit libcall here in case the builtin fails.
10114 (expand_builtin_strcmp): Always emit the libcall here on failure.
10116 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10118 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10119 * flow.c (reg_n_info): Change the type to
10120 VEC(reg_info_p,heap) *.
10121 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10123 * regs.h (reg_info_p): New.
10124 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10125 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10126 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10129 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10131 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10133 * params.h (MAX_SCHED_READY_INSNS): New macro.
10134 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10135 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10136 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10137 the ready list for 1 cycle during the first scheduling pass.
10138 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10140 2006-04-13 Richard Henderson <rth@redhat.com>
10143 * gimple-low.c (lower_omp_directive): Remove dead code.
10144 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10145 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10146 * omp-low.c (struct omp_region): Move to tree-flow.h.
10147 (root_omp_region): Export.
10148 (omp_regions, lookup_omp_region): Remove.
10149 (determine_parallel_type): Update for struct omp_region changes.
10150 (dump_omp_region): Dump regions with block numbers.
10151 (new_omp_region): Take type and block instead of stmt; malloc
10153 (free_omp_region_1, free_omp_regions): New.
10154 (expand_parallel_call): Take entry_stmt as argument; update for
10155 changes to omp_region.
10156 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10157 (remove_exit_barriers): New.
10158 (expand_omp_parallel): Update for struct omp_region changes.
10159 (expand_omp_synch): Likewise.
10160 (expand_omp): Likewise.
10161 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10162 (expand_omp_for_static_chunk): Likewise.
10163 (expand_omp_for): Likewise.
10164 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10165 (expand_omp_sections): Similarly, with GOMP_sections_end.
10166 (expand_omp_single): New.
10167 (build_omp_regions_1): Update for OMP_CONTINUE.
10168 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10169 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10170 OMP_SECTIONS_SECTIONS.
10171 (lower_omp_single_simple): Don't emit barrier here.
10172 (lower_omp_single_copy): Likewise.
10173 (lower_omp_single): Fix bindings, and lower to straightline now.
10174 (lower_omp_master, lower_omp_ordered): Likewise.
10175 (lower_omp_critical): Likewise.
10176 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10177 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10178 omp edges, free it afterward.
10179 (make_omp_sections_edges): Remove.
10180 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10181 (move_stmt_r): Handle OMP_CONTINUE.
10182 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10183 statement pointers to basic blocks. Add type member.
10184 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10185 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10186 * tree-inline.c (estimate_num_insns_1): Likewise.
10187 * tree-pretty-print.c (dump_generic_node): Likewise.
10188 * tree-ssa-operands.c (get_expr_operands): Likewise.
10189 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10190 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10191 (OMP_CONTINUE): New.
10192 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10193 (OMP_SECTIONS_SECTIONS): Remove.
10194 (OMP_SECTION_LAST): New.
10195 (OMP_RETURN_NOWAIT): New.
10197 2006-04-13 Roger Sayle <roger@eyesopen.com>
10199 * fold-const.c (native_encode_vector, native_interpret_real):
10200 Correct obvious mistakes in the previous check-in.
10202 2006-04-13 Roger Sayle <roger@eyesopen.com>
10204 * fold-const.c (native_encode_expr): New function to encode
10205 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10206 or VECTOR_CST into a specified buffer.
10207 (native_encode_int): New function.
10208 (native_encode_real): New function.
10209 (native_encode_complex): New function.
10210 (native_encode_vector): New function.
10211 (native_interpret_expr): Inverse of native_encode_expr to convert
10212 a target representation into an INTEGER_CST, REAL_CST etc...
10213 (native_interpret_int): New function.
10214 (native_interpret_real): New function.
10215 (native_interpret_complex): New function.
10216 (native_interpret_vector): New function.
10217 (fold_view_convert_expr): New function to constant fold/evaluate
10218 a VIEW_CONVERT_EXPR of a suitable constant expression.
10219 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10220 Change call of build1 to fold_build1 when constructing a
10223 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10224 Ulrich Weigand <uweigand@de.ibm.com>
10227 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10230 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10233 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10234 optimize to lo_sum for DFmode if !TARGET_FPRS.
10236 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10238 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10239 delete_alias_info, compute_flow_sensitive_aliasing,
10240 group_aliases): Use VEC instead of VARRAY.
10241 * tree-ssa-structalias.c (update_alias_info): Likewise.
10242 * tree-ssa-structalias.h (alias_info): Change the type of
10243 processed_ptrs to VEC(tree,heap) *.
10245 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10248 * config/sh/lib1funcs.h: New file, broken out of:
10249 * config/sh/lib1funcs.asm.
10250 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10252 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10253 * config/sh/lib1funcs-Os-4-200.asm: New file.
10254 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10255 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10256 (EXTRA_MULTILIB_PARTS): Include it.
10257 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10258 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10259 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10260 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10263 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10265 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10266 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10267 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10269 * tree-ssa-live.h: Include vecprim.h.
10270 (tree_partition_associator_d): Change the type of
10271 first_partition to VEC(int,heap) *.
10272 (tpa_first_partition): Use VEC instead of VARRAY.
10274 * Makefile.in (GTFILES): Move functions.h after tree.h.
10275 * function.c (reset_block_changes, record_block_change,
10276 check_block_change, free_block_changes): Use VEC instead of
10278 * function.h (function): Change the type of
10279 ib_boundaries_block to VEC(tree,gc) *.
10280 * tree-inline.c (copy_cfg_body): Initialize
10281 ib_boundaries_block to NULL instead of (varray_type) 0.
10283 2006-04-12 Roger Sayle <roger@eyesopen.com>
10285 * expr.c (emit_group_store): Correct operand order in call to
10286 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10287 a SUBREG_BYTE of zero.
10289 2006-04-12 Richard Guenther <rguenther@suse.de>
10291 * profile.c (compute_branch_probabilities): Remove code
10292 encapsulated in !ir_type (), which are remanents of the
10293 removed RTL profiling code.
10294 * rtl-profile.c: Remove.
10296 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10298 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10299 magic NULL_RTX comment.
10300 (function_arg): Store entire fp arg to mem if any part should go
10302 (rs6000_arg_partial_bytes): Adjust for above change.
10304 2006-04-11 Roger Sayle <roger@eyesopen.com>
10306 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10307 if it hasn't been initialized by dwarf2out_init.
10309 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10311 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10312 symbolic constants in branch patterns.
10314 2006-04-11 Roger Sayle <roger@eyesopen.com>
10316 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10318 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10320 PR rtl-optimization/27073
10321 * gcse.c (try_replace_reg): Revert last change. Continue to search
10322 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10325 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10327 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10328 aggregate types other than record and union types.
10329 (function_arg): Likewise.
10330 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10332 (function_value): In 64-bit mode, return objects that require it
10335 2006-04-11 Roger Sayle <roger@eyesopen.com>
10337 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10339 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10341 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10343 2006-04-03 Jeff Law <law@redhat.com>
10346 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10347 alias information too.
10349 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10351 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10353 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10356 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10357 (premark_used_types_helper): New.
10358 (premark_used_types): New.
10359 (gen_subprogram_die): Call premark_used_types.
10360 (prune_unused_types_walk): Do not prune perennial dies.
10361 * function.c (used_types_insert): New.
10362 * function.h (struct function): Add used_types_hash field.
10363 (used_types_insert): Add prototype.
10364 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10365 * c-parser.c (c_parser_cast_expression): Save casted types in used
10368 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10371 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10372 rs6000_explicit_options.float_gprs.
10374 2006-04-10 Roger Sayle <roger@eyesopen.com>
10376 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10377 from ix86_expand_vector_init_low_nonzero. Take an additional
10378 one_var argument indicating which element is non-zero. Support
10379 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10380 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10381 with one_var instead of ix86_expand_vector_init_low_nonzero.
10383 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10385 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10386 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10387 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10388 build/genextract.o): Depend on vecprim.h.
10389 * cfglayout.c, df-problems.c, function.c, genextract.c,
10390 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10391 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10395 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10397 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10398 Declare VECs of this type.
10399 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10400 (remove_children): Delete.
10401 (add_dwarf_attr): Use VEC routines.
10402 (add_AT_flag): Update for changes to add_dwarf_attr.
10403 (add_AT_int): Likewise.
10404 (add_AT_unsigned): Likewise.
10405 (add_AT_long_long): Likewise.
10406 (add_AT_vec): Likewise.
10407 (add_AT_string): Likewise.
10408 (add_AT_die_ref): Likewise.
10409 (add_AT_fde_ref): Likewise.
10410 (add_AT_loc): Likewise.
10411 (add_AT_loc_list): Likewise.
10412 (add_AT_addr): Likewise.
10413 (add_AT_lbl_id): Likewise.
10414 (add_AT_lineptr): Likewise.
10415 (add_AT_macptr): Likewise.
10416 (add_AT_offset): Likewise.
10417 (add_AT_range_list): Likewise.
10418 (get_AT): Use VEC_iterate.
10419 (remove_AT): Use VEC_ordered_remove.
10420 (free_die): Fold remove_children into here; have it use VEC_iterate.
10421 (print_die): Use VEC_iterate on attrs.
10422 (reverse_die_lists): Don't reverse attr lists.
10423 (die_checksum): Use VEC_iterate on attrs.
10424 (same_die_p): Likewise.
10425 (output_location_lists): Likewise.
10426 (build_abbrev_table): Likewise.
10427 (size_of_die): Likewise.
10428 (unmark_all_dies): Likewise.
10429 (output_abbrev_section): Likewise.
10430 (output_die): Likewise.
10431 (prune_unused_types_walk_attribs): Likewise.
10433 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10435 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10437 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10440 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10442 2006-04-09 Roger Sayle <roger@eyesopen.com>
10444 * expr.c (store_constructor): Don't bother clearing target if
10445 we're about to assign a vector to it using vec_init_optab.
10447 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10449 * tree-ssa-alias.c (lhs_may_store_to): New function.
10450 (recalculate_used_alone): Handle LHS of calls.
10452 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10456 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10457 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10458 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10459 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10460 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10461 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10462 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10463 stubs. Add ".align 8" directives before all ".dword" directives.
10464 (GTHREAD_USE_WEAK): Revise comment.
10465 (TARGET_ATTRIBUTE_WEAK): Define.
10466 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10467 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10468 * stublib.c: New file.
10473 * pa.md (cbranch patterns): Revise arguments used in calls to
10474 output_cbranch, output_bb and output_bvd. Add long branch length
10476 (fbranch patterns): Handle long branches.
10477 (jump): Revise length check. Revise arguments for output_lbranch call.
10478 Add long branch length attributes.
10479 (decrement_and_branch_until_zero): Add long branch length attributes.
10480 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10481 Likewise. Revise arguments for output_parallel_addb and
10482 output_parallel_movb calls.
10483 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10484 output_parallel_movb and output_parallel_addb): Update prototypes.
10485 * pa.c (output_cbranch): Revise arguments. Correct handling of
10486 nullification in long branches.
10487 (output_lbranch): Add new argument to control extraction of delay
10489 (output_bb): Handle long branches.
10490 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10491 output_parallel_addb): Likewise.
10493 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10495 PR rtl-optimization/27073
10496 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10499 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10501 * tree.h (tree_memory_tag): Add old_used_alone.
10502 (SMT_OLD_USED_ALONE): New macro.
10503 * tree-ssa-alias.c (recalculate_used_alone): Stop
10504 marking things for renaming unnecessarily.
10506 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10508 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10509 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10510 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10511 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10512 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10513 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10514 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10515 spelling convensions.
10516 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10517 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10518 typos. Follow spelling conventions.
10520 2006-04-07 DJ Delorie <dj@redhat.com>
10522 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10523 passed on the stack.
10524 (m32c_init_cumulative_args): When a function returns a structure,
10525 always pass the pointer to that return area on the stack.
10526 (m32c_function_arg_advance): Don't increment the parameter number
10527 if we're processing the returned structure pointer.
10528 (pushm_info): Reverse order of registers.
10530 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10532 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10533 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10534 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10535 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10536 build_int_cst_type.
10537 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10538 chrec_fold_multiply): Same.
10539 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10540 force_expr_to_var_cost): Same.
10541 * tree-mudflap.c (mf_xform_derefs_1): Same.
10542 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10544 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10546 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10547 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10550 2006-04-07 Jan Hubicka <jh@suse.cz>
10552 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10554 2006-04-07 Richard Guenther <rguenther@suse.de>
10556 PR tree-optimization/26135
10557 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10558 loads for store copy-prop.
10559 (copy_prop_visit_stmt): Likewise.
10561 2006-04-05 Robert Millan <robertmh@gnu.org>
10563 * config/i386/linux.h: Add a comment to mark macros that are
10564 being overriden in config/k*bsd-gnu.h.
10565 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10567 * config/knetbsd-gnu.h: Ditto.
10569 2006-04-06 Jan Hubicka <jh@suse.cz>
10573 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10576 2006-04-06 Mike Stump <mrs@apple.com>
10578 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10579 for HAVE_nonlocal_goto to be consistent.
10580 (expand_builtin_nonlocal_goto): Likewise.
10581 (expand_builtin_strcmp): Use #ifdef instead of #if
10582 for HAVE_cmpstrnsi to be consistent.
10584 2006-04-05 DJ Delorie <dj@redhat.com>
10586 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10589 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10591 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10592 got-relative addressing for anything but SImode.
10594 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10595 even if the calling function doesn't modify them.
10597 2006-04-05 Richard Guenther <rguenther@suse.de>
10599 PR tree-optimization/26919
10600 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10601 to cgraph_estimate_size_after_inlining.
10603 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10605 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10607 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10609 PR tree-optimization/26996
10610 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10611 VECTOR_TYPE variables.
10613 2006-04-05 Richard Guenther <rguenther@suse.de>
10615 PR tree-optimization/26763
10616 * fold-const.c (fold_comparison): Move folding of
10617 PTR + CST CMP PTR + CST ...
10618 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10620 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10622 * doc/install.texi (Prerequisites): Refine some wording on
10623 bootstrapping and ksh.
10624 Move the version numbers of DejaGnu here from the testing section
10625 and fix casing of names.
10626 Fix markup and clarify wording for autogen requirements.
10627 Refer to GCJ instead of just java.
10628 Refer to SVN instead of CVS.
10629 Describe diffutils as useful instead of necessary.
10630 (Downloading the source): Refer to SVN instead of CVS.
10631 Adjust a link to our web site accordingly.
10632 (Configuration): Fix casing of Bison.
10633 (Building): Refer to SVN instead of CVS.
10634 Fix a sentence on the use of Bison and remove duplicate (and
10635 incorrect) version number of Bison requirement.
10636 Remove one redundant list of packages needed for building.
10637 (Specific): Avoid reference to CVS.
10639 2006-04-04 Eric Christopher <echristo@apple.com>
10641 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10642 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10643 (rs6000_handle_struct_attribute): New.
10644 (rs6000_ms_bitfield_layout_p): Ditto.
10646 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10648 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10649 NULL for dso parameter to atexit_common.
10651 2006-04-04 Eric Christopher <echristo@apple.com>
10653 * config/i386/i386.c (machopic_output_stub): Output \t
10654 between instructions and operands.
10656 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10658 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10659 satisfies_constraint_[IL] to explicit tests on value.
10661 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10663 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10664 set_nb_iterations_in_loop): Use build_int_cst instead of
10665 build_int_cst_type.
10666 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10667 build_int_cst instead of convert.
10669 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10671 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10672 new value 2 for incoming.
10673 * function.c (expand_function_start): Call struct_value_rtx
10674 with incoming as 2.
10675 * config/sparc/sparc.md: Comment updated_return.
10676 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10677 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10678 struct return if sparc_std_struct_return and incoming is 2.
10679 (print_operand): Do not adjust return if
10680 sparc_std_struct_return.
10682 2006-04-04 Roger Sayle <roger@eyesopen.com>
10684 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10685 convert in the middle-end.
10686 * expr.c (store_expr, store_constructor, get_inner_reference,
10687 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10689 * tree.c (build_range_type): Likewise.
10691 2006-04-04 Tom Tromey <tromey@redhat.com>
10693 * doc/install.texi (Prerequisites): Mention jar.
10695 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10697 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10700 2006-04-04 Matthias Klose <doko@debian.org>
10702 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10706 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10709 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10711 * doc/extend.texi (Function Attributes): Rewrite visibility
10712 attribute documentation.
10713 * doc/invoke.texi (C++ Dialect Options): Rewrite
10714 -fvisibility-inlines-hidden documentation to describe something
10715 entirely different, although in practise compatible.
10716 (Code Gen Options): Warn about system headers in -fvisibility=
10719 * doc/extend.texi (Other Builtins): Document that
10720 __builtin_nan is a compile-time constant only when its argument
10723 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10725 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10726 trying to remove TRUNCATE check if all bits outside the new mode
10727 are identical to the sign bit.
10729 2006-04-03 Jeff Law <law@redhat.com>
10731 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10732 and operand scanning in some common cases.
10734 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10735 Dale Johannesen <dalej@apple.com>
10738 * regclass.c (struct reg_pref): Update documentation.
10739 (regclass): Set prefclass to NO_REGS if memory is the best option.
10740 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10741 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10742 into account. For non-registers, equate an empty preferred
10743 reload class to a `!' in the constraint; move the if clause to
10744 do so after those that reject the insn.
10745 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10747 (find_dummy_reload): Likewise.
10748 * doc/tm.texi (Register Classes): Document what it means
10749 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10750 * config/i386/i386.c (ix86_preferred_reload_class): Force
10751 using SSE registers (and return NO_REGS for floating-point
10752 constants) if math is done with SSE.
10753 (ix86_preferred_output_reload_class): New.
10754 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10755 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10756 * config/i386/i386.md: Remove # register preferences.
10758 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10761 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10762 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10763 the type of nb_iter.
10764 (instantiate_parameters_1): Convert the operands before calling
10765 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10766 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10768 2006-04-02 Roger Sayle <roger@eyesopen.com>
10770 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10771 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10772 instead of convert.
10773 * dojump.c (do_jump): Likewise.
10774 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10775 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10776 gimplify_boolean_expr): Likewise.
10777 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10778 * varasm.c (array_size_for_constructor): Likewise.
10779 * tree-object-size.c (compute_object_offset): Likewise.
10781 2006-04-02 Roger Sayle <roger@eyesopen.com>
10783 PR middle-end/26977
10784 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
10785 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
10787 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10789 PR tree-optimization/26939
10790 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
10792 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10794 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
10795 at_stmt. Convert the type of operands before calling
10796 build_polynomial_chrec.
10797 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
10798 add_to_evolution_1.
10799 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
10800 (instantiate_parameters_1): Convert the type of operands before calling
10801 build_polynomial_chrec.
10802 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
10803 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
10804 reset_evolution_in_loop): Insert asserts to check the types of the
10806 (chrec_type): Moved...
10807 (eq_evolutions_p): Use operand_equal_p.
10808 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
10809 the types of the operands.
10810 (chrec_type): ...here.
10811 * tree-data-ref.c (create_data_ref): Convert the operands before
10812 calling chrec_replace_initial_condition.
10813 (same_access_functions, analyze_subscript_affine_affine,
10814 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
10815 (compute_subscript_distance, analyze_ziv_subscript,
10816 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
10817 analyze_miv_subscript): Convert the operands before calling
10818 chrec_fold_minus or chrec_fold_plus.
10820 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10822 * tree-data-ref.c (compute_all_dependences): Use a pointer to
10823 the dependence_relations vector.
10824 (compute_data_dependences_for_loop): Adjust call to
10825 compute_all_dependences.
10827 2006-04-01 Roger Sayle <roger@eyesopen.com>
10828 Richard Henderson <rth@redhat.com>
10830 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
10831 gimple_boolify on the condition before calling gimplify_expr.
10833 2006-03-31 Bob Wilson <bob.wilson@acm.org>
10835 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
10836 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
10837 the frame size. Update to use the new macros.
10838 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
10839 * config/xtensa/ieee754-df.S: Likewise.
10841 2006-03-31 Richard Henderson <rth@redhat.com>
10843 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
10844 (make_edges): ... here. Control fallthru creation with a local
10845 variable. Do not play with fake edges.
10846 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
10847 (make_goto_expr_edges): Don't play with fake edges. Make for_call
10850 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
10852 * dwarf2.h (DW64_CIE_ID): Define.
10853 * dwarf2out.c (DWARF_CIE_ID): Define.
10854 (output_call_frame_info): Output 0xffffffff before standard 8-byte
10855 length header. Use DWARF_CIE_ID.
10856 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
10857 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
10859 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
10861 * config/sh/linux-atomic.asm: New file.
10862 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
10864 2006-03-31 DJ Delorie <dj@redhat.com>
10866 * config/m32c/cond.md: Set condition flags properly throughout.
10867 * config/m32c/minmax.md: Likewise.
10868 * config/m32c/prologue.md: Likewise.
10869 * config/m32c/bitops.md: Likewise.
10870 * config/m32c/muldiv.md: Likewise.
10871 * config/m32c/mov.md: Likewise.
10872 * config/m32c/addsub.md: Likewise.
10873 * config/m32c/m32c.md: Likewise.
10874 * config/m32c/jump.md: Likewise.
10875 * config/m32c/shift.md: Likewise.
10877 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
10878 conditionally output the pattern for this.
10879 * config/m32c/m32c.c (flags_needed_for_conditional): New.
10880 (m32c_compare_redundant): New.
10881 (m32c_output_compare): New.
10882 * config/m32c/m32c-protos.h (m32c_output_compare): New.
10884 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
10885 dest, not src. Allow other 4-byte modes.
10887 2006-03-30 Denis Chertykov <denisc@overta.ru>
10889 * doc/md.texi: Refer to avr/constraints.md instead of
10892 2006-03-30 Roger Sayle <roger@eyesopen.com>
10894 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
10895 signed vs. unsigned comparison failures on some hosts.
10897 2006-03-31 Alan Modra <amodra@bigpond.net.au>
10900 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
10901 change to FLOAT_REGS.
10903 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
10904 (rs6000_override_options): Use it.
10905 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
10906 only for -mabi=spe/no-spe and -mabi=altivec.
10908 2006-03-30 Geoffrey Keating <geoffk@apple.com>
10910 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
10913 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
10915 * Makefile.in: Rename docdir to gcc_docdir.
10917 2006-03-30 Roger Sayle <roger@eyesopen.com>
10920 * expr.c (emit_group_store): Optimize group stores into a pseudo
10921 register by using a paradoxical subreg to initialize the destination
10922 if the first or last member of the group specifies a "low part".
10924 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10927 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
10928 * target.h (struct gcc_target.speculate_insn): Change type of the
10929 second parameter to 'int'.
10930 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
10931 the second operand of the DEPS_LIST.
10932 (copy_DEPS_LIST_list): Update reference to the second operand of the
10934 * rtl.h (alloc_DEPS_LIST): Update signature.
10935 * sched-int.h (ds_t): Change typedef to 'int'.
10936 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
10938 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10940 * haifa-sched.c (try_ready): Change condition to restore
10941 non-speculative pattern of the instruction.
10942 (process_insn_depend_be_in_spec): Code to keep probability of the
10943 speculative dependence non-decreasing.
10945 2006-03-30 Jie Zhang <jie.zhang@analog.com>
10947 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
10948 (single_move_for_movmem): ... this. Also change all uses.
10949 (bfin_expand_strmov): Renamed to...
10950 (bfin_expand_movmem): ... this. Also change all uses.
10951 * config/bfin/bfin.md (movstrsi): Renamed to...
10952 (movstrsi): ...this.
10954 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
10956 PR tree-optimization/26830
10958 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
10959 (copy_prop_visit_stmt): Remove write-only variable ann.
10960 (init_copy_prop): Check variable loop depth here. Do not simulate
10961 memory-tag and virtual operand PHIs except for store copy prop.
10963 2006-03-30 Richard Guenther <rguenther@suse.de>
10965 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
10966 variants with double arguments.
10968 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10970 * genpreds.c (write_tm_constrs_h): Delete variable p.
10971 * genconditions.c (write_header): Add tm-constrs.h to included
10973 * genpeep.c (main): Add toplev.h to included headers.
10974 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
10975 (build/genpeep.o): Add toplev.h dependency.
10976 * config/rs6000/constraints.md: Add "W" constraint.
10978 2006-03-29 Roger Sayle <roger@eyesopen.com>
10980 * stor-layout.c (mode_for_size_tree): Remove restiction on type
10981 sizes by correctly testing whether the size fits a host integer.
10982 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
10983 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
10984 SImode range for the default sizetype and bitsizetype.
10986 2006-03-29 Roger Sayle <roger@eyesopen.com>
10988 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
10989 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
10990 quickly if the argument is already of the correct type.
10991 Call fold_build1 instead of build1. Tidy up blank lines.
10993 2006-03-29 David Edelsohn <edelsohn@gnu.org>
10995 * genemit.c (main): Add tm-constrs.h to included headers.
10996 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
10997 * genpeep.c (main): Add tm-constrs.h to included headers.
10998 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
10999 (write_tm_constrs_h): this and write complete file.
11000 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11001 (write_insn_preds_c): Add tm-constrs.h to included headers.
11002 (gen_constrs): New variable.
11003 (parse_option): Parse "-c".
11004 (main): Invoke write_tm_constrs_h.
11005 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11006 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11007 (object_out_file): Add tm-constrs.h dependency.
11008 (insn-emit.o): Same.
11009 (insn-output.o): Same.
11010 (insn-peep.o): Same.
11011 (insn-preds.o): Same.
11012 (insn-recog.o): Same.
11013 (tm-constsr.h): New target.
11014 (s-constrs-h): New target.
11016 * config/rs6000/constraints.md: New file.
11017 * config/rs6000/rs6000.c: Include tm-constrs.h.
11018 (num_insn_constant_wide): Convert to satisfies_constraint.
11019 (rs6000_rtx_costs): Convert to satisfies_constraint.
11020 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11021 (CONST_OK_FOR_LETTER_P): Delete.
11022 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11023 (EXTRA_CONSTRAINT): Delete.
11024 (EXTRA_MEMORY_CONSTRAINT): Delete.
11025 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11026 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11027 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11028 satisfies_constraint.
11030 * config/i386/i386.c: Include tm-constrs.h.
11032 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11034 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11035 * tree-data-ref.c (find_data_references_in_loop,
11036 compute_data_dependences_for_loop): Use pointers to VEC.
11037 (analyze_all_data_dependences): Adjust calls.
11038 * tree-data-ref.h (find_data_references_in_loop,
11039 compute_data_dependences_for_loop): Adjust declarations.
11040 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11041 compute_data_dependences_for_loop.
11043 2006-03-29 Paul Brook <paul@codesourcery.com>
11045 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11046 (movdf_vfp): Ditto.
11048 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11050 PR tree-optimization/26859
11051 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11053 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11054 for the step after fold_convert.
11056 2006-03-29 Paul Brook <paul@codesourcery.com>
11058 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11059 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11061 2006-03-29 Paul Brook <paul@codesourcery.com>
11063 PR middle-end/23623
11064 * targhooks.c (default_narrow_bitfield): New fuction.
11065 * targhooks.h (default_narrow_bitfield): add prototype.
11066 * target.h (gcc_target): Add narrow_volatile_bitfield.
11067 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11068 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11069 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11070 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11072 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11074 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11076 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11077 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11078 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11079 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11080 (s390_function_arg_float): Allow SDmode and DDmode values to be
11081 passed in floating point registers.
11082 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11083 check with SCALAR_FLOAT_MODE_P.
11084 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11086 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11088 PR tree-optimization/25985
11089 * tree-ssa-loop-niter.c (number_of_iterations_le,
11090 number_of_iterations_ne): Make comments more precise.
11091 (number_of_iterations_cond): Add only_exit argument. Use the
11092 fact that signed variables do not overflow only when only_exit
11094 (loop_only_exit_p): New.
11095 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11096 number_of_iterations_cond.
11098 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11100 PR tree-optimization/26643
11101 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11104 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11106 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11107 (divsi3_i4_int): Likewise.
11109 2006-03-28 Roger Sayle <roger@eyesopen.com>
11111 * expr.c (emit_group_store): Only create a new pseudo reg if the
11112 quantity it needs to hold isn't already a suitable pseudo.
11114 2006-03-28 Jeff Law <law@redhat.com>
11116 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11117 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11119 2006-03-28 Roger Sayle <roger@eyesopen.com>
11121 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11122 the equivalent ~X & Y, and the symmetry related transformations.
11123 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11124 ~X & Y, and symmetry related transforms.
11126 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11128 Revert my 2006-03-27 patches.
11130 2006-03-28 Roger Sayle <roger@eyesopen.com>
11132 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11133 ~(T1)X, when T1 and T2 are integer types of the same precision
11134 and (T2)X isn't an extension.
11136 2006-03-28 Jeff Law <law@redhat.com>
11138 PR tree-optimization/26796
11139 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11140 need EH edge cleanups rather than purging them immediately.
11141 (eliminate_degenerate_phis): Handle queued EH cleanups.
11143 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11145 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11148 2006-03-27 Roger Sayle <roger@eyesopen.com>
11150 PR middle-end/22524
11151 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11152 cast BIT_NOT_EXPR operand to the correct type.
11154 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11156 * tree-loop-linear.c: Don't include varray.h.
11157 (gather_interchange_stats, try_interchange_loops,
11158 linear_transform_loops): Use VEC instead of VARRAY.
11159 * lambda-mat.c: Don't include varray.h.
11160 * tree-chrec.c: Same.
11161 * lambda-trans.c: Same.
11162 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11163 VEC instead of VARRAY.
11164 * tree-vectorizer.h: Idem.
11165 * tree-data-ref.c (dump_data_references,
11166 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11167 initialize_data_dependence_relation, finalize_ddr_dependent,
11168 compute_all_dependences, find_data_references_in_loop,
11169 compute_data_dependences_for_loop, analyze_all_data_dependences,
11170 free_dependence_relation, free_dependence_relations,
11171 free_data_refs): Idem.
11172 * tree-data-ref.h (data_reference_p, subscript_p): New.
11173 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11174 VEC instead of VARRAY.
11175 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11176 (find_data_references_in_loop, compute_data_dependences_for_loop,
11177 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11178 dump_data_dependence_relations, free_dependence_relations,
11179 free_data_refs): Adjust declaration.
11180 (lambda_transform_legal_p): Move declaration here...
11181 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11182 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11183 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11184 vect_analyze_data_refs): Use VEC instead of VARRAY.
11185 * lambda.h (lambda_transform_legal_p): ...from here.
11186 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11187 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11188 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11189 tree-chrec.o): Don't depend on VARRAY_H.
11191 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11193 * rtl.def (Copyright): Update date.
11194 (DEPS_LIST): Change type of the second operand to 'int'.
11195 * target.h (Copyright): Update date.
11196 (struct gcc_target.speculate_insn): Change type of the second parameter
11198 * lists.c (Copyright): Update date.
11199 (alloc_DEPS_LIST): Change signature. Update reference to the second
11200 operand of the DEPS_LIST.
11201 (copy_DEPS_LIST_list): Update reference to the second operand of the
11203 * rtl.h (Copyright): Update date.
11204 (alloc_DEPS_LIST): Update signature.
11205 * sched-int.h (Copyright): Update date.
11206 (ds_t): Change typedef to 'int'.
11207 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11209 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11211 * haifa-sched.c (Copyright): Update date.
11212 (try_ready): Change condition to restore non-speculative pattern
11213 of the instruction.
11214 (process_insn_depend_be_in_spec): Code to keep probability of the
11215 speculative dependence non-decreasing.
11217 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11219 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11220 shut up the compiler.
11222 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11224 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11225 to use lib prefix for target.
11226 ($(T)libic_invalidate_array_4-200.a): Likewise.
11227 ($(T)libic_invalidate_array_4a.a): Likewise.
11229 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11230 J"orn Rennecke <joern.rennecke@st.com>
11232 * superh.opt: New file.
11233 * sh.c (boardtype, osruntime): Remove.
11234 * superh.h (SUBTARGET_OPTIONS): Remove.
11235 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11237 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11238 arguments with ^ and/or [].
11240 * config.gcc (sh-*-*): Add quoting to account for quirk of
11242 Replace == with = in enable_incomplete_targets test.
11244 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11245 with MASK_LITTLE_ENDIAN.
11247 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11248 * config/sh/sh.opt: Added to some comments.
11249 * config/sh/superh.h: Removed some chaff.
11251 * config/sh/sh.opt: Add m4-[1234]00* options.
11252 * config/sh/sh.c (sh_handle_option): Likewise.
11253 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11254 (ic_invalidate_array_4-100.o): New rule.
11255 ($(T)libic_invalidate_array_4-100.a): Likewise.
11256 (ic_invalidate_array_4-200.o): Likewise.
11257 ($(T)libic_invalidate_array_4-200.a): Likewise.
11258 (ic_invalidate_array_4a.o): Likewise.
11259 ($(T)libic_invalidate_array_4a.a): Likewise.
11260 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11261 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11263 * config/sh/crt1.asm: Merged in profiling code.
11264 * config/sh/superh.h (STARTFILE_SPEC): Override.
11265 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11266 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11267 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11269 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11270 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11271 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11273 * sh.opt (mpretend-cmove): New option.
11274 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11275 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11276 (movsicc): Add TARGET_PRETEND_CMOVE code.
11278 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11280 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11281 s390_class_max_nregs): New function prototypes.
11282 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11283 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11284 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11285 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11287 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11289 * dwarf2out.c (add_location_or_const_value_attribute): Call
11290 tree_add_const_value_attribute if nothing else works.
11291 (reference_to_unused): New.
11292 (rtl_for_decl_init): Use reference_to_unused to decide whether
11293 to output an initializer.
11295 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11298 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11299 peephole removing spe frob_di_df_2.
11301 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11303 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11304 (subscript_dependence_tester_1): Declared.
11305 (print_dir_vectors, print_dist_vectors): New.
11306 (debug_data_dependence_relation): New.
11307 (dump_data_dependence_relation): Print more details.
11308 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11309 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11310 (save_dist_v, save_dir_v, add_outer_distances,
11311 build_classic_dist_vector_1): New.
11312 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11313 Don't test for lambda_vector_lexico_pos.
11314 (same_access_functions, add_multivariate_self_dist,
11315 add_other_self_distances, dir_from_dist): New.
11316 (build_classic_dir_vector): Replace implementation almost identical to
11317 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11319 (subscript_dependence_tester_1): New.
11320 (subscript_dependence_tester): Handle the lexicographically negative
11321 distance vectors by recomputing the dependence relation.
11322 (compute_affine_dependence): Remove parameter loop_nest_depth.
11323 (compute_self_dependence): Don't call compute_subscript_distance.
11324 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11325 Add a parameter for the loop_nest.
11326 (find_loop_nest_1, find_loop_nest): New.
11327 (compute_data_dependences_for_loop): Compute the loop nest, and give
11328 up if the nest is not well formed.
11329 * tree-data-ref.h (loop_p): New.
11330 (struct data_dependence_relation): Replace size_vect field with
11331 loop_nest, a vec of loops.
11332 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11333 (DDR_LOOP_NEST): New.
11334 (print_dir_vectors, print_dist_vectors,
11335 debug_data_dependence_relation): Declared.
11336 (index_in_loop_nest): New.
11337 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11338 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11341 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11343 * simplify-rtx.c (simplify_relational_operation): Call
11344 simplify_relational_operation_1 even if mode is VOIDmode.
11346 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11348 PR tree-optimization/26804
11349 * tree.h (DECL_CALL_CLOBBERED): New macro.
11350 (tree_decl_common): Add call_clobbered_flag.
11351 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11352 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11353 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11354 (mark_non_addressable): Ditto.
11355 * tree-ssa.c (verify_call_clobbered): New function.
11356 (verify_alias_info): Use it.
11357 * tree-pass.h (pass_reset_cc_flags): New prototype.
11358 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11359 (reset_cc_flags): New function.
11360 * passes.c (init_optimization_passes): Call reset_cc_flags after
11361 initializing referenced_vars.
11363 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11364 Roger Sayle <roger@eyesopen.com>
11366 PR middle-end/26717
11367 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11368 to 1.0 for non-real operands. Implement A / A optimization for
11371 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11373 * config/i386/i386.c (size_cost): Correct the comment for
11374 cost of storing fp registers.
11375 (i386_cost): Likewise.
11376 (i486_cost): Likewise.
11377 (pentium_cost): Likewise.
11378 (pentiumpro_cost): Likewise.
11379 (k6_cost): Likewise.
11380 (athlon_cost): Likewise.
11381 (k8_cost): Likewise.
11382 (pentium4_cost): Likewise.
11383 (nocona_cost): Likewise.
11384 (generic64_cost): Likewise.
11385 (generic32_cost): Likewise.
11387 2006-03-24 Denis Chertykov <denisc@overta.ru>
11389 * config/avr/avr-protos.h (extra_constraint): Delete.
11390 (extra_constraint_Q): New declaration.
11391 * config/avr/constraints.md: New file.
11392 * config/avr/avr.md: Include it.
11393 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11394 (TMP_REGNO, ZERO_REGNO): Likewise.
11395 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11396 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11397 (extra_constraint): Delete.
11398 (extra_constraint_Q): Test for memory constraint 'Q'.
11399 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11400 (REG_CLASS_FROM_LETTER): Delete.
11401 (CONST_OK_FOR_LETTER_P): Delete.
11402 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11403 (EXTRA_CONSTRAINT): Delete.
11404 (TMP_REGNO): Delete.
11405 (ZERO_REGNO): Delete.
11407 2006-03-24 Jeff Law <law@redhat.com>
11409 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11410 directly. Call mark_new_vars_to_rename slightly earlier.
11412 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11414 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11415 (is_cxx): Likewise.
11416 (gen_compile_unit_die): Use new language types for Objective-C and
11418 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11419 DW_LANG_C_plus_plus.
11422 * config/t-darwin (crt3.o): Work around bug 26840.
11423 * config/darwin-crt3.c: Rewrite.
11424 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11426 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11428 * doc/invoke.texi: Document -femit-class-debug-always
11429 * common.opt: Add -femit-class-debug-always.
11431 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11433 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11434 index and base register.
11435 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11436 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11437 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11438 REGNO_OK_FOR_INDEX_P.
11439 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11441 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11442 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11443 REG_OK_FOR_BASE_P): Definitions removed.
11445 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11447 PR middle-end/26611
11448 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11449 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11450 set yet or weren't marked as local yet.
11452 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11454 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11457 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11459 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11460 (rs6000_legitimate_small_data_p): Delete.
11461 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11462 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11463 and make static. Add forward declaration. Update uses.
11464 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11465 of offsettable_memref_p.
11466 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11467 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11469 2006-03-24 Jeff Law <law@redhat.com>
11471 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11472 around bug in immediate-use iterator.
11474 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11477 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11478 or __LITTLE_ENDIAN__.
11480 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11482 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11483 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11484 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11485 * config/sh/sh.opt (mdiv=): Amend description.
11486 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11487 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11488 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11489 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11490 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11491 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11492 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11493 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11494 TARGET_DIVIDE_CALL_FP.
11496 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11498 * haifa-sched.c (choose_ready): Fix type of the local variable.
11499 Move local variables. Add comment.
11500 (check_reg_live): Change signature. Make callable from debugger.
11501 * sched-int.h (check_reg_live): Update signature.
11502 * sched-ebb.c (check_reg_live): Update parameters.
11503 * sched-rgn.c (check_reg_live): Ditto.
11504 (region_head_or_leaf_p): Check pointer before dereferencing.
11505 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11506 before reload on optimization levels below 1.
11508 2006-03-23 Richard Henderson <rth@redhat.com>
11510 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11514 * config/alpha/predicates.md (local_symbolic_operand): Reject
11517 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11520 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11521 expressions which have overflowed constants.
11523 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11525 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11527 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11529 * cfgloopmanip.c (create_loop_notes): Removed.
11530 * final.c (final_scan_insn): Do not handle loop notes.
11531 * jump.c (squeeze_notes): Ditto.
11532 * cfglayout.c (skip_insns_after_block,
11533 duplicate_insn_chain): Ditto.
11534 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11536 * cfgloop.h (create_loop_notes): Declaration removed.
11538 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11540 * varasm.c (output_constant_pool): Restore fnname and fndecl
11542 (assemble_start_function): Adjust call accordingly.
11543 (assemble_end_function): Likewise.
11545 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11548 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11551 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11553 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11556 * system.h (ICE_EXIT_CODE): New macro.
11557 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11558 (diagnostic_action_after_output): Likewise.
11559 * gcc.c (fatal_ice): New function.
11560 (execute): Use it instead of fatal.
11561 (fancy_abort): Likewise.
11562 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11564 2006-03-22 Jeff Law <law@redhat.com>
11566 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11567 iv_analyze_result returning false.
11569 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11571 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11573 2006-03-22 Richard Henderson <rth@redhat.com>
11575 PR middle-end/26084
11576 * except.c (duplicate_eh_regions_0): New.
11577 (duplicate_eh_region_1): Duplicate the children of the node as
11578 well as the node itself. Link them up properly.
11579 (duplicate_eh_region_2): Merge into ...
11580 (duplicate_eh_regions): ... here. Take copy_region argument, and
11581 copy only a sub-tree if asked. Simplify copying and fixup.
11582 (eh_region_outer_p): New.
11583 * except.h (duplicate_eh_regions): Update decl.
11584 (eh_region_outer_p): Declare.
11585 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11586 (lower_omp_master): Likewise.
11587 (lower_omp_ordered): Likewise.
11588 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11589 (move_stmt_r): Use it to remap labels. Handle recursion vs
11590 remap_decls_p properly.
11591 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11592 (find_outermost_region_in_block): New.
11593 (new_label_mapper): New.
11594 (move_sese_region_to_fn): Copy eh information to the new function
11596 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11598 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11601 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11603 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11604 into shared libraries.
11606 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11608 * doc/md.texi: Refer to i386/constraints.md instead of
11609 i386/predicates.md.
11610 * config/i386/constraints.md: New file, extracted from...
11611 * config/i386/predicates.md: ...here.
11612 * config/i386/i386.md: Include constraints.md.
11614 2006-03-21 Jason Merrill <jason@redhat.com>
11616 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11618 PR middle-end/20297
11619 * expr.c (init_block_move_fn): Force default visibility.
11620 (init_block_clear_fn): Likewise.
11621 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11622 * targhooks.c (default_external_stack_protect_fail): Likewise.
11624 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11626 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11627 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11628 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11629 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11630 (loadgp): Use mips_current_loadgp_style.
11631 (loadgp_noshared): New pattern.
11632 (sibcall_internal): Use MIPS_CALL.
11633 (sibcall_value_internal): Likewise.
11634 (sibcall_value_multiple_internal): Likewise.
11635 (call_internal): Likewise.
11636 (call_value_internal): Likewise.
11637 (call_value_multiple_internal): Likewise.
11638 (call_split): Use MIPS_CALL and add an 'S' constraint.
11639 (call_value_split): Likewise.
11640 (call_value_multiple_split): Likewise.
11641 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11642 (-mshared): New option.
11643 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11644 (mips_current_loadgp_style): Declare.
11645 * config/mips/mips.c (mips_classify_symbol): Avoid using
11646 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11647 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11648 TARGET_ABSOLUTE_ABICALLS.
11649 (override_options): Adjust comments. Improve the warning that is
11650 issued when -mabicalls and -G are used together.
11651 (mips_file_start): Remove comment.
11652 (mips_current_loadgp_style): New function.
11653 (mips_gnu_local_gp): New variable.
11654 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11656 (mips_output_function_prologue): Use mips_current_laodgp_style.
11657 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11658 the cprestore instruction.
11659 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11660 live for TARGET_ABSOLUTE_ABICALLS.
11661 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11662 (ASM_SPEC): Pass down -mshared and -mno-shared.
11663 (MIPS_CALL): New macro.
11664 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11666 * doc/invoke.texi (-mabicalls): Update documentation.
11667 (-mshared): Document.
11669 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11671 * config/ia64/unwind-hpux.c: New file.
11672 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11674 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11677 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11679 2006-03-21 Jeff Law <law@redhat.com>
11681 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11682 type conversions of a VR_VARYING source to a wider type.
11684 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11686 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11687 tm_file on Solaris 10 and later.
11688 (sparc64-*-solaris2*): Likewise.
11689 (sparc-*-solaris2*): Likewise.
11690 * config/sol26.h: Rename to config/sol2-6.h.
11691 * config/sol2-10.h: New file.
11693 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11696 * tree-ssa-pre.c (create_component_ref_by_pieces):
11699 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11702 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11703 return it immediately.
11705 2006-03-21 Michael Matz <matz@suse.de>
11707 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11709 (remove_arc, add_arc): Update num_out_arcs member.
11710 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11712 (cache_presence): New function.
11713 (compare_states_for_equiv): New function.
11714 (state_is_differed): Don't take number of outargs, adjust callers.
11715 Use new invariant for speeding up.
11716 (init_equiv_class): Create initial classes based on sorted
11718 (partition_equiv_class): Don't track out_arcs_num.
11719 (evaluate_equiv_classes): Call cache_presence on all states and
11722 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11724 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11725 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11726 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11727 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11729 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11730 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11731 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11732 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11733 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11735 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11736 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11737 (REGNO_REG_CLASS): ARGP is in PREGS.
11738 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11740 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11741 to deal with those addresses.
11742 * addresses.h: New file.
11743 * caller-save.c: Include "addresses.h".
11744 (init_caller_save): Use new base_reg_class function.
11745 * rtl-factoring.c: Include "addresses.h".
11746 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11747 * recog.c: Include "addresses.h".
11748 (preprocess_constraints): Use new base_reg_class function.
11749 * regrename.c: Include "addresses.h".
11750 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11751 functions. Keep track of a new var INDEX_CODE to compute valid
11753 (replace_oldest_value_addr): Likewise.
11754 (replace_oldest_value_mem): Use base_reg_class.
11755 * reload.c: Include "addresses.h".
11756 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11757 (find_reloads): Use new base_reg_class function.
11758 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11759 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11760 all callers and prototype changed.
11761 * reload1.c: Include "addresses.h".
11762 (maybe_fix_stack_asms): Use base_reg_class.
11763 * regclass.c: Include "addresses.h".
11764 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11765 (init_reg_autoinc): Use new base_reg_class function.
11766 (record_reg_classes): Likewise.
11767 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11768 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11769 Use new args to compute necessary class.
11771 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11772 regrename.o, rtl-factoring.o): Update dependencies.
11773 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11774 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11775 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11776 REG_OK_FOR_INDEX_P): Delete documentation.
11778 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11780 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11781 from V7 to V9 for Solaris 7 and above.
11783 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
11785 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
11786 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
11787 argument pointers may not alias any other storage.
11788 * common.opt: Define option -fargument-noalias-anything.
11789 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
11790 alias semantics is specified by flag_argument_noalias > 2.
11792 2006-03-20 Jeff Law <law@redhat.com>
11794 * tree-pass.h (pass_phi_only_copy_prop): Delete.
11795 (pass_phi_only_cprop): Declare.
11796 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
11797 with phi_only_cprop
11798 * tree-ssa-dom.c (degenerate_phi_result): New function.
11799 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
11800 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
11801 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
11802 (eliminate_degenerate_phis): Likewise.
11803 (pass_phi_only_cprop): New pass descriptor.
11804 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
11805 support code. Callers updated.
11806 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
11807 (store_copy_prop): Likewise.
11808 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
11810 2006-03-20 Jason Merrill <jason@redhat.com>
11813 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
11814 (push_visibility, pop_visibility): Likewise.
11815 * c-pragma.h: Declare them.
11817 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
11819 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
11821 * config/sh/sh.c (find_regmode_weight): Change the type of the first
11822 parameter and use get_ebb_head_tail.
11823 (sh_md_init_global): Adjust uses of find_regmode_weight.
11825 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
11827 * function.h (struct function) <x_tail_recursion_reentry>:
11828 Rename to x_stack_check_probe_note.
11829 (tail_recursion_reentry): Rename to stack_check_probe_note.
11830 * function.c: Replace tail_recursion_reentry with
11831 stack_check_probe_note everywhere.
11832 (expand_function_start): Only emit a note for
11833 stack_check_probe_note with -fstack-protect.
11834 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
11836 * emit-rtl.c (remove_unnecessary_notes): Remove.
11837 (pass_remove_unnecessary_notes): Remove.
11838 * rtl.h (remove_unnecessary_notes): Remove prototype.
11839 * final.c (final_start_function): Don't call remove_unnecessary_notes.
11840 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
11841 * passes.c (pass_remove_unnecessary_notes): Don't run it.
11843 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
11846 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
11847 (valid_in_set): Handle ARRAY_REF.
11848 Change "if min_variant or VH" to asserts.
11849 (create_component_ref_by_pieces): Handle ARRAY_REF.
11850 (create_expression_by_pieces): Likewise.
11851 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
11853 2006-03-20 David Edelsohn <edelsohn@gnu.org>
11855 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
11856 is operand of switch, not str[0].
11858 2006-03-20 Alan Modra <amodra@bigpond.net.au>
11860 * config/rs6000/rs6000.c (rs6000_handle_option): Use
11861 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
11863 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11865 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
11866 end of insn_extra_address_constraint declaration.
11868 2006-03-19 David Edelsohn <edelsohn@gnu.org>
11870 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
11871 (no-sum-in-toc): Same.
11872 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
11874 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
11875 NO_FP_IN_TOC for -fPIC instead of mask.
11877 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
11878 (BOOT_LDFLAGS): Delete.
11880 * config/rs6000/t-aix52: Same.
11882 * config/rs6000/rs6000.md (store_multiple_power): Delete.
11883 (stmsi[345678]_power): New.
11885 2006-03-17 Steve Ellcey <sje@cup.hp.com>
11887 * config/ia64/ia64.opt: Add empty line to end of file.
11889 2006-03-17 Richard Guenther <rguenther@suse.de>
11891 PR middle-end/26721
11892 * builtins.c (get_pointer_alignment): For component style references
11893 adjust alignment to the component type alignment. Make sure
11894 to adjust alignment for component access of constants.
11896 2006-03-17 David Edelsohn <edelsohn@gnu.org>
11898 * config/rs6000/rs6000.md (strlensi): Emit barrier after
11899 unconditional jump.
11901 2006-03-17 Paul Brook <paul@codesourcery.com>
11903 * doc/install.texi: Docuemnt --with-mode.
11904 * config.gcc: Add --with-mode for arm*-*-*.
11905 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
11907 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
11909 * sh.c (max_labelno_before_reorg): New variable.
11910 (sh_reorg): Initialize it.
11911 (find_barrier): Check max_labelno_before_reorg before using
11912 label_to_alignment. Take length of explicit alignment insns
11913 into account. When seeing a UNSPECV_CONST_END, return it.
11915 * sh.c (fixup_mova): Set mode of affected label to QImode.
11916 (untangle_mova): New function.
11917 (find_barrier): Use it. Check mode of label before decrementing
11919 (sh_reorg): Likewise.
11920 Set mode of all insns back to VOIDmode.
11922 * sh.c (MOVA_LABELREF): New macro.
11923 (mova_p, fixup_mova, sh_reorg): Use it.
11924 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
11925 ADDR_DIFF_VEC matches mova.
11927 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
11929 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
11930 with ATTRIBUTE_UNUSED.
11932 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
11934 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
11935 pointer, instead of assuming it is possible to derive the
11936 correct args size from a call insn.
11938 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
11940 * rtl.h (CONST_INT_P): Define.
11941 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
11942 instead of GET_CODE(x) == CONST_INT.
11943 (vax_rtx_costs): Likewise.
11944 (vax_output_int_move): Likewise.
11945 (vax_output_int_add): Likewise.
11946 (legitimate_constant_address_p): Likewise.
11947 (index_term_p): Likewise.
11948 * config/vax/vax.h (PRINT_OPERAND): Likewise.
11949 * config/vax/vax.md (and<mode>3): Likewise.
11950 (ashrsi3): Likewise.
11952 (movstricthi): Likewise.
11953 (movstrictqi): Likewise.
11954 (rotrsi3): Likewise.
11955 (five unnamed insns): Likewise.
11957 2006-03-16 Geoffrey Keating <geoffk@apple.com>
11959 * doc/tm.texi (SDB and DWARF): Add extra parameter to
11960 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
11961 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
11962 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
11963 Pass to ASM_OUTPUT_DWARF_OFFSET.
11964 * dwarf2out.c (debug_frame_section): New.
11965 (output_call_frame_info): Use debug_frame_section. Pass it to
11966 dw2_asm_output_offset.
11967 (output_die): Pass appropriate section to dw2_asm_output_offset.
11968 (output_compilation_unit_header): Likewise.
11969 (output_pubnames): Likewise.
11970 (output_aranges): Likewise.
11971 (enum dw_val_class): Break dw_val_class_lbl_offset into
11972 dw_val_class_lineptr and dw_val_class_macptr.
11973 (add_AT_lbl_offset): Delete.
11974 (add_AT_lineptr): New.
11975 (add_AT_macptr): New.
11976 (AT_lbl): Expect a lineptr or macptr.
11977 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
11978 (attr_checksum): Likewise.
11979 (same_dw_val_p): Likewise.
11980 (size_of_die): Likewise.
11981 (value_format): Likewise.
11982 (output_die): Likewise.
11983 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
11985 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11986 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
11987 * config/darwin-protos.h (darwin_file_start): New.
11988 (darwin_asm_output_dwarf_offset): New.
11989 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
11990 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
11992 * config/darwin.c (darwin_emit_unwind_label): Don't output label
11993 if not EH section; simplify.
11994 (darwin_file_start): New.
11995 (darwin_asm_output_dwarf_offset): New.
11996 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
11998 (DEBUG_INFO_SECTION): Likewise.
11999 (DEBUG_ABBREV_SECTION): Likewise.
12000 (DEBUG_ARANGES_SECTION): Likewise.
12001 (DEBUG_MACINFO_SECTION): Likewise.
12002 (DEBUG_LINE_SECTION): Likewise.
12003 (DEBUG_LOC_SECTION): Likewise.
12004 (DEBUG_PUBNAMES_SECTION): Likewise.
12005 (DEBUG_STR_SECTION): Likewise.
12006 (DEBUG_RANGES_SECTION): Likewise.
12007 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12008 (ASM_OUTPUT_DWARF_OFFSET): New.
12010 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12012 * config.gcc (tm_defines): Always add to previous value rather
12015 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12017 * config/mips/predicates.md (splittable_const_int_operand): New,
12018 split from move_operand.
12019 (splittable_symbolic_operand): New.
12020 (move_operand): Add commentary. Use splittable_const_int_operand.
12021 Inline mips_atomic_symbolic_constant_p.
12022 * config/mips/mips.md: Add combine splitters for handling moves
12023 of splittable_const_int_operands and splittable_symbolic_operands.
12024 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12025 (mips_split_symbol): Declare.
12026 (mips_move_integer): Declare.
12027 * config/mips/mips.c (mips_split_p): Make global.
12028 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12029 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12030 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12031 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12032 (mips_offset_within_object_p): Handle block symbols.
12033 (mips_atomic_symbolic_constant_p): Delete.
12034 (mips_cannot_force_const_mem): Return false for constants that
12035 mips_legitimize_move can handle.
12036 (mips_use_blocks_for_constant_p): New function.
12037 (mips_split_symbol): Make global.
12038 (mips_move_integer): Likewise. Add a temporary register argument.
12039 (mips_legitimize_const_move): Use splittable_const_int_operand and
12040 splittable_symbolic_operand.
12041 (mips_use_anchors_for_symbol_p): New function.
12042 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12043 (mips_split_p): Declare.
12045 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12047 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12048 (mips*-*-linux*): Likewise.
12050 2006-03-16 Roger Sayle <roger@eyesopen.com>
12051 Daniel Speyer <dspeyer@wam.umd.edu>
12053 PR middle-end/18259
12054 * tree-dump.c (dump_real): New function.
12055 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12056 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12057 (tree-dump.o): Add $(REAL_H) to the dependencies.
12059 2006-03-16 Roger Sayle <roger@eyesopen.com>
12061 PR middle-end/21781
12062 * real.c (real_from_string): If the mantissa is zero, don't bother
12063 parsing the exponent as the result should always be zero.
12065 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12067 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12069 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12071 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12072 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12073 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12074 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12075 ia64_sched_finish_global): New static functions to implement
12076 hooks from gcc_target.sched.
12077 (spec_check_no, max_uid, pending_data_specs): New static variables.
12078 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12079 ia64_spec_check_src_p): New static functions.
12080 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12081 (TARGET_SCHED_ADJUST_COST): Removed.
12082 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12083 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12084 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12085 TARGET_SCHED_GEN_CHECK,
12086 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12087 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12088 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12089 Fixed to handle speculation checks.
12090 (rtx_needs_barrier): Fixed to handle speculative loads and
12092 (ia64_variable_issue): Added code to count speculative loads and their
12094 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12096 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12098 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12100 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12101 (ia64_reorg): Reset stops_p to NULL after it is freed.
12102 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12103 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12104 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12106 (data_speculative, control_speculative, check_load): New attributes.
12107 (mov<mode>_advanced, mov<mode>_speculative,
12108 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12109 zero_extend<mode>di2_speculative,
12110 zero_extend<mode>di2_speculative_advanced): New patterns for
12111 data and control speculative loads.
12112 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12114 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12115 New pattern for data and control speculation checks.
12116 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12117 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12118 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12119 Auxiliary definitions for the patterns.
12120 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12121 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12123 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12125 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12126 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12127 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12128 New resource constraints.
12129 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12131 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12132 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12133 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12134 msched-in-control-spec, msched-ldc, msched-control-ldc,
12135 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12136 msched-prefer-non-control-spec-insns,
12137 msched-count-spec-in-critical-path): New flags to tune speculative
12139 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12140 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12141 msched-in-control-spec, msched-ldc, msched-control-ldc,
12142 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12143 msched-prefer-non-control-spec-insns,
12144 msched-count-spec-in-critical-path): Document new flags.
12146 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12148 * target.h (struct spec_info_def): New opaque declaration.
12149 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12150 speculate_insn, needs_block_p, gen_check,
12151 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12152 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12153 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12154 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12155 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12156 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12158 (TARGET_SCHED): Use new macros.
12159 * rtl.h (copy_DEPS_LIST_list): New prototype.
12160 * sched-int.h (struct sched_info): Change signature of new_ready field,
12161 adjust all initializations. New fields: add_remove_insn,
12162 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12163 region_head_or_leaf_p.
12164 (struct spec_info_def): New structure declaration.
12165 (spec_info_t): New typedef.
12166 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12167 recovery_block, orig_pat.
12168 (glat_start, glat_end): New variables declaraions.
12169 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12171 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12172 DETACH_LIFE_INFO, USE_GLAT.
12173 (enum SPEC_SCHED_FLAGS): New enumeration.
12174 (NOTE_NOTE_BB_P): New macro.
12175 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12176 attach_life_info, debug_spec_status, check_reg_live): New functions.
12177 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12178 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12180 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12181 * ddg.c (get_block_head_tail): Adjust all uses.
12182 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12183 (sms_sched_info): Initialize new fields.
12184 (contributes_to_priority): Removed.
12185 * haifa-sched.c (params.h): New include.
12186 (get_block_head_tail): Adjust all uses.
12187 (ISSUE_POINTS): New macro.
12188 (glat_start, glat_end): New global variables.
12189 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12190 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12191 old_last_basic_block, before_recovery, current_sched_info_var,
12192 rgn_n_insns, luid): New static variables.
12193 (insn_cost1): New function. Move logic from insn_cost to here.
12194 (find_insn_reg_weight1): New function. Move logic from
12195 find_insn_reg_weight to here.
12196 (reemit_notes, move_insn, max_issue): Change signature.
12197 (move_insn1): Removed.
12198 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12199 extend_bb): New static functions to support extension of scheduler's
12201 (generate_recovery_code, process_insn_depend_be_in_spec,
12202 begin_speculative_block, add_to_speculative_block,
12203 init_before_recovery, create_recovery_block, create_check_block_twin,
12204 fix_recovery_deps): New static functions to support
12205 generation of recovery code.
12206 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12207 restore_bb_notes, move_block_after_check, move_succs): New static
12208 functions to support ebb scheduling.
12209 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12210 functions to support handling of register live information.
12211 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12212 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12213 add_jump_dependencies): New static functions.
12214 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12215 consistancy checking.
12216 (debug_spec_status): New function to call from debugger.
12217 (priority): Added code to handle speculation checks.
12218 (rank_for_schedule): Added code to distinguish speculative instructions.
12219 (schedule_insn): Added code to handle speculation checks.
12220 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12221 Fixed to handle ebbs.
12222 (move_insn): Added code to handle ebb scheduling.
12223 (max_issue): Added code to use ISSUE_POINTS of instructions.
12224 (choose_ready): Added code to choose between speculative and
12225 non-speculative instructions.
12226 (schedule_block): Added code to handle ebb scheduling and scheduling of
12227 speculative instructions.
12228 (sched_init): Initialize new variables.
12229 (sched_finish): Free new variables. Print statistics.
12230 (try_ready): Added code to handle speculative instructions.
12231 * lists.c (copy_DEPS_LIST_list): New function.
12232 * sched-deps.c (extend_dependency_caches): New function. Move logic
12233 from create_dependency_caches to here.
12234 (get_dep_weak, ds_merge): Make global.
12235 * genattr.c (main): Code to output prototype for
12236 dfa_clear_single_insn_cache.
12237 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12238 (output_dfa_clean_insn_cache_func): Code to output
12239 dfa_clear_single_insn_cache function.
12240 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12242 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12244 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12245 New static variables.
12246 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12247 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12249 (ebb_sched_info): Initialize new fields.
12250 (get_block_head_tail): Adjust all uses.
12251 (compute_jump_reg_dependencies): Fixed to use glat_start.
12252 (schedule_ebb): Code to remove unreachable last block.
12253 (schedule_ebbs): Added code to update register live information.
12254 * sched-rgn.c (region_sched_info): Initialize new fields.
12255 (get_block_head_tail): Adjust all uses.
12256 (last_was_jump): Removed. Adjust users.
12257 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12258 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12259 Implement new hooks.
12260 (check_dead_notes1): New static function.
12261 (struct region): New fields: dont_calc_deps, has_real_ebb.
12262 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12263 (BB_TO_BLOCK): Fixed to handle EBBs.
12264 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12265 (ebb_head): New static variable.
12266 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12267 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12269 (compute_dom_prob_ps): New assertion.
12270 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12271 global_live_at_start.
12272 (init_ready_list): New assertions.
12273 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12274 (new_ready): Add support for BEGIN_CONTROL speculation.
12275 (schedule_insns): Fixed code that updates register live information
12277 (schedule_region): Fixed to handle EBBs.
12278 (init_regions): Use extend_regions and check_dead_notes1.
12279 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12280 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12281 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12282 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12283 TARGET_SCHED_GEN_CHECK,
12284 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12285 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12286 * doc/invoke.texi (max-sched-insn-conflict-delay,
12287 sched-spec-prob-cutoff): Document.
12289 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12291 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12292 inter_tick, queue_index.
12293 (struct sched_info): Change signature of init_ready_list field.
12294 Adjust all initializations.
12295 (RESOLVED_DEPS): New access macro.
12296 (ready_add): Remove prototype.
12297 (try_ready): Add prototype.
12298 * sched-rgn.c (init_ready_list): Use try_ready.
12299 (schedule_region): Initialize
12300 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12301 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12302 (init_ready_list): Use try_ready.
12303 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12304 * lists.c (remove_list_elem): Remove `static'.
12305 (remove_free_INSN_LIST_elem): New function.
12306 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12307 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12308 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12310 (readyp): New variable.
12311 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12312 change_queue_index, resolve_dep): New static functions.
12313 (try_ready): New function. Adjust callers in sched-rgn.c and
12314 sched-ebb.c to use it instead of ready_add.
12315 (clock_var): Move at the begining of file.
12316 (rank_for_schedule): Fix typo.
12317 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12318 (ready_lastpos): Enforce assertion.
12319 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12320 update all callers.
12321 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12322 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12323 (queue_to_ready): Use free_INSN_LIST_list.
12324 (early_queue_to_ready): Fix typo.
12325 (schedule_block): Init readyp. Move init_ready_list call after the
12326 initialization of clock_var. Fix error in rejecting insn by
12327 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12328 that previously corrected INSN_TICKs. Add code for handling
12330 (set_priorities): Fix typo.
12331 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12332 Clarify comment and code that keeps current_sched_info->next_tail
12335 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12337 * sched-rgn.c (extend_rgns): New static function.
12338 (find_rgns): Use it.
12339 (gather_region_statistics, print_region_statistics): New static
12341 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12342 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12344 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12345 Andrey Belevantsev <abel@ispras.ru>
12347 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12348 * lists.c (unused_deps_list): New variable.
12349 (free_list): Add assertions to verify the proper distinguishing
12350 between INSN_LISTs and DEPS_LISTs.
12351 (find_list_elem, remove_list_elem, remove_list_node): New static
12353 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12354 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12355 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12356 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12358 (free_INSN_LIST_node): Likewise.
12359 * modulo-sched.c (current_sched_info): Initialize flags field.
12360 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12361 * rtl.def (DEPS_LIST): Define.
12362 * rtl.h: Declare new functions from lists.c.
12363 * sched-deps.c (spec_dependency_cache): New static variable.
12364 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12365 (add_dependence): Change return type to void. Move the logic to ...
12366 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12367 (delete_all_dependences): Add comment about forward_dependency_cache.
12368 Handle spec_dependency_cache. Handle DEPS_LISTs.
12369 (fixup_sched_groups): Clarify the change of priority of output
12370 and anti dependencies.
12371 (sched_analyze_2): Adjust add_dependence calls to create data
12372 speculative dependence.
12373 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12374 Adjust all callers. Handle DEPS_LISTS.
12375 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12376 presence of speculation.
12377 (init_dependency_caches, free_dependency_caches):
12378 Handle spec_dependency_cache.
12379 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12380 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12381 New static functions.
12382 (add_or_update_back_dep, add_or_update_back_forw_dep,
12383 add_back_forw_dep, delete_back_forw_dep): New functions.
12384 * sched-int.h (ds_t, dw_t): New typedefs.
12385 (struct sched_info): Add new field flags.
12386 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12387 Prototype new sched-deps.c functions.
12388 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12389 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12390 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12391 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12392 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12393 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12395 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12397 * sched-rgn.c (current_sched_info): Initialize flags field.
12398 (schedule_insns): Initialize current_sched_info before the sched_init
12400 * sched-ebb.c (current_sched_info): Initialize flags field.
12401 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12402 Call add_or_update_back_dep instead of add_dependence.
12403 Create control speculative dependencies.
12404 (schedule_insns): Initialize current_sched_info before the sched_init
12407 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12409 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12411 (sh_fallback_frame_state): Likewise.
12413 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12415 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12416 Do switch on default_use_cxa_atexit.
12417 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12418 * config/darwin-crt3.o: New.
12419 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12420 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12421 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12423 * config/rs6000/t-darwin: Move crt2.o building to here.
12424 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12425 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12428 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12430 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12431 from '! xxx' to '!xxx' for coding-style conformance.
12432 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12433 (EXTRA_CONSTRAINT): Likewise.
12434 * config/vax/vax.md (four unnamed insns): Likewise.
12436 2006-03-15 Paul Brook <paul@codesourcery.com>
12438 * config/arm/arm.c (minipool_pad): New.
12439 (add_minipool_forward_ref): Include pool alignment padding in address
12441 (push_minipool_fix): Set minipool_pad.
12442 (minipool_pad): Ditto.
12444 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12446 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12447 instead of GET_CODE() == MEM and REG_P() instead of
12449 (print_operand_address): Likewise.
12450 (vax_address_cost): Likewise.
12451 (vax_rtx_costs): Likewise.
12452 (vax_notice_update_cc): Likewise.
12453 (vax_output_int_add): Likewise.
12454 (INDEX_REGISTER_P): Likewise.
12455 (BASE_REGISTER_P): Likewise.
12456 (nonindexed_address_p): Likewise.
12457 (vax_mode_dependent_address_p): Likewise.
12458 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12459 (PRINT_OPERAND): Likewise.
12460 * config/vax/vax.md (ashlsi3): Likewise.
12461 (ashlsi3): Likewise.
12462 (some more unnamed insns): Likewise.
12464 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12466 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12467 iterator-style macro.
12468 (mark_control_dependent_edges_necessary): Update the use of
12469 EXECUTE_IF_CONTROL_DEPENDENT.
12471 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12473 * config/sh/predicates.md (cache_address_operand): Special.
12474 (ua_address_operand): Likewise.
12476 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12478 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12480 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12482 2006-03-15 Andreas Schwab <schwab@suse.de>
12484 * gensupport.c (identify_predicable_attribute): Don't free p_false
12485 when it is still in use.
12487 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12489 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12490 the default setting here.
12492 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12494 * tree-pass.h (pass_cfg): Remove.
12495 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12496 * passes.c (pass_cfg): Don't run it.
12498 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12500 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12501 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12503 (stack_regs_mentioned): Update the uses of
12504 stack_regs_mentioned_data. Don't access the array beyond its
12506 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12507 Don't include gt-reg-stack.h.
12509 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12510 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12512 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12514 PR middle-end/26684
12515 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12518 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12520 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12522 2006-03-14 Richard Guenther <rguenther@suse.de>
12524 PR tree-optimization/26672
12525 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12528 2006-03-14 Richard Guenther <rguenther@suse.de>
12530 PR tree-optimization/26667
12531 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12532 node for the callees. Always allow inlining if it will shrink
12535 2006-03-14 Richard Guenther <rguenther@suse.de>
12537 PR middle-end/26659
12538 * builtins.c (get_pointer_alignment): Prefer alignment
12539 information from decls over that from types.
12541 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12544 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12546 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12548 * config/rs6000/rs6000.opt (mdlmzb): New option.
12549 (msched-prolog, msched-epilog): Use Var not Mask.
12550 * doc/invoke.texi (-mdlmzb): Document.
12551 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12553 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12554 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12556 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12558 PR rtl-optimization/25739
12559 * bt-load.c (augment_live_range): Free tos pointer.
12561 * gensupport.c (identify_predicable_attribute): Free
12563 * gcov.c (create_file_names): Free name pointer.
12565 2006-03-13 Roger Sayle <roger@eyesopen.com>
12567 PR middle-end/26557
12568 * stmt.c (emit_case_nodes): Handle the case where the index is a
12569 CONST_INT, where the comparison mode is specified by the index type.
12571 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12573 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12576 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12578 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12579 (*branch_fp_inverted): Likewise.
12581 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12583 PR middle-end/25989
12584 * omp-low.c (expand_omp_for_generic): Mark istart0
12585 and iend0 as addressable.
12587 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12589 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12591 2006-03-13 Jeff Law <law@redhat.com>
12593 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12594 virtual operands are interesting.
12595 (vrp_visit_stmt): Corresponding changes.
12597 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12599 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12601 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12602 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12603 * config/bfin/crti.S: Use it instead of __PIC__.
12604 * config/bfin/crtn.S: Likewise.
12606 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12607 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12609 Lose 'G' modifier for call operand.
12610 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12611 recognize 'G' modifier.
12613 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12615 PR middle-end/18859
12616 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12617 * stmt.c (expand_case): Likewise.
12619 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12621 PR rtl-optimization/26254
12622 * loop-invariant.c (seq_insns_valid_p): New function.
12623 (move_invariant_reg): Only emit new code if it is valid.
12625 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12627 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12629 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12630 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12631 (commit_one_edge_insertion): Do not look for loop notes.
12633 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12635 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12636 flag_test_coverage out of loop.
12638 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12640 * final.c (shorten_branches): Remove outdated comment, and turn
12641 the if branch that guards it to continue.
12643 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12645 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12646 * cfgloop.h (struct loop): Remove unused fields.
12648 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12650 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12651 (-dL, -fdump-rtl-loop2): Update the dump file names
12653 * doc/invoke.texi: Update dump file names.
12655 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12657 * predict.c (estimate_probability): Remove.
12658 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12659 * basic-block.h (estimate_probability): Remove prototype.
12660 * passes.c (finish_optimization_passes): Dump branch prediction or
12661 profiling heuristics to the .profile tree dump.
12662 (init_optimization_passes): Unqueue pass_branch_prob.
12664 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12666 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12668 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12669 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12671 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12673 * function.h (frame_offset_overflow): Declare.
12674 * function.c (frame_offset_overflow): New function.
12675 (assign_stack_local_1): Call it to detect that the offset overflows.
12676 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12678 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12680 * config/sh/sh.c: Include alloc-pool.h.
12681 (label_ref_list_pool): New alloc pool.
12682 (label_ref_list_t): New type for lists of labels.
12683 (struct pool_node): Make wend a label_ref_list_t.
12684 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12686 (dump_table): Likewise.
12687 (sh_reorg): Set up the alloc pool before using add_constant and
12688 dump_table, and destroy it when finishing.
12690 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12692 * config/mips/mips.c: Remove redundant comment.
12694 2006-03-10 Jason Merrill <jason@redhat.com>
12697 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12698 the target was declared 'register'.
12700 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12702 * genpreds.c (write_insn_constraint_len): Change definition of
12703 insn_constraint_len to return size_t to match the declaration.
12705 2006-03-10 DJ Delorie <dj@redhat.com>
12707 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12709 (m32c_expand_insv): Fix test for an AND mask.
12711 2006-03-10 Richard Guenther <rguenther@suse.de>
12713 PR middle-end/26565
12714 * builtins.c (get_pointer_alignment): Handle component
12715 references for field alignment.
12717 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12719 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12720 when building with libgloss.
12721 (sh*elf): Implement --without-fp option.
12722 (sh64-superh-linux*): Don't multilib.
12724 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12726 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12728 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12730 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12731 Set it when one of the replacement functions returned true.
12732 Return TODO_cleanup_cfg if cfgchanged is true.
12733 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12735 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12737 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12738 instead of gen_lowpart.
12740 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12742 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12744 (mips_output_order_conditional_branch): Declare.
12745 * config/mips/mips.h (MIPS_BRANCH): New macro.
12746 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12747 for the comparison. Use gen_condjump.
12748 (mips_output_conditional_branch): Rework interface to take the
12749 asm templates for a direct branch and the inverse of a direct branch.
12750 (mips_output_order_conditional_branch): New function.
12751 (mips_builtin_branch_and_move): New function.
12752 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12753 branch condition. Use gen_single_cc as the condition for
12754 __builtin_mips_upper_* or __builtin_mips_lower_*.
12755 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12756 Use VOIDmode for the branch condition.
12757 * config/mips/predicates.md (order_operator): New predicate.
12758 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12759 (branch_fp): Rename to...
12760 (*branch_fp): ...this. Remove mode from comparison operator.
12761 Use new mips_output_conditional_branch interface.
12762 (branch_fp_inverted): Rename to...
12763 (*branch_fp_inverted): ...this and update as for *branch_fp.
12764 (*branch_zero<mode>): Rename to...
12765 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12766 Use mips_output_order_conditional_branch. Only accept ordered
12768 (*branch_zero<mode>_inverted): Rename to...
12769 (*branch_order<mode>_inverted): ...this and update as for
12770 *branch_order<mode>.
12771 (*branch_equality<mode>): Accept zero as the second operand to
12772 the equality operator. Use the new mips_output_conditional_branch
12774 (*branch_equality<mode>_inverted): Likewise.
12775 (condjump): New expander.
12776 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12778 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12779 (bc1any2t, bc1any2f): Likewise.
12780 (single_cc): New expander.
12781 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12783 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12785 * doc/md.texi: Update documentation of MIPS constraints.
12786 * config/mips/constraints.md: New file.
12787 * config/mips/mips.md: Include it.
12788 * config/mips/mips.c (mips_char_to_class): Delete.
12789 (override_options): Don't initialize mips_char_to_class.
12790 * config/mips/mips.h (mips_char_to_class): Delete.
12791 (REG_CLASS_FROM_LETTER): Delete.
12792 (CONST_OK_FOR_LETTER_P): Delete.
12793 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12794 (EXTRA_CONSTRAINT_Y): Delete.
12795 (EXTRA_CONSTRAINT_STR): Delete.
12796 (CONSTRAINT_LEN): Delete.
12797 (EXTRA_MEMORY_CONSTRAINT): Delete.
12799 2006-03-09 Diego Novillo <dnovillo@redhat.com>
12801 * tree-cfg.c (move_block_to_fn): Remove the statements from the
12802 original fn's eh regions.
12804 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
12806 * fold-const.c (build_range_check): Make sure to use a valid type to
12807 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
12810 (range_predecessor): New static function.
12811 (range_successor): Likewise.
12812 (merge_ranges): Use them to compute predecessors and successors of
12815 2006-03-09 Roger Sayle <roger@eyesopen.com>
12817 PR middle-end/26561
12818 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
12819 X op C3, consider whether C3 overflows towards +Inf or -Inf.
12821 2006-03-08 DJ Delorie <dj@redhat.com>
12823 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
12824 (addpsi3): Expand to include memory operands. Remove
12825 reload-specific splits.
12826 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
12827 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
12828 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
12829 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
12830 (shift1_qi, shift1_hi, insv): New.
12831 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
12832 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
12833 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
12835 * config/m32c/m32c-protos.h: Update as needed.
12836 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
12837 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
12838 Fail for unrecognized R* constraints.
12839 (m32c_cannot_change_mode_class): Be more picky about pseudos.
12840 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
12841 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
12843 (m32c_init_libfuncs): New.
12844 (m32c_legitimate_address_p): Add debug wrapper.
12845 (m32c_rtx_costs): New.
12846 (m32c_address_cost): New.
12847 (conversions): Add 'B' prefix.
12848 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
12849 operands, or word regnames for QI operands. 'B' prints bit
12851 (m32c_expand_setmemhi): New.
12852 (m32c_expand_movmemhi): New.
12853 (m32c_expand_movstr): New.
12854 (m32c_expand_cmpstr): New.
12855 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
12856 (m32c_expand_neg_mulpsi3): Handle non-ints.
12857 (m32c_cmp_flg_0): New.
12858 (m32c_expand_movcc): New.
12859 (m32c_expand_insv): New.
12860 (m32c_scc_pattern): New.
12861 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
12862 a0/a1 out of SIregs.
12863 (STORE_FLAG_VALUE): New.
12864 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
12867 * config/m32c/mov.md: Make constraints more liberal.
12868 (zero_extendqihi2): Optimize r0/r1 case.
12869 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
12870 * config/m32c/predicates.md (m32c_any_operand): New.
12871 (m32c_nonimmediate_operand): New.
12872 (m32c_hl_operand): New.
12873 (m32c_r3_operand): New.
12876 (memsym_operand): New.
12877 (memimmed_operand): New.
12878 (a_qi_operand): New.
12879 (m32c_eqne_operator): New.
12880 (m32c_1bit8_operand): New.
12881 (m32c_1bit16_operand): New.
12882 (m32c_1mask8_operand): New.
12883 (m32c_1mask16_operand): New.
12884 * config/m32c/blkmov.md: New file.
12885 * config/m32c/t-m32c (MD_FILES): Add blkmov.
12887 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
12889 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
12890 unsigned to fix signed/unsigned comparison issue in
12891 DWARF2_FRAME_REG_OUT.
12892 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
12893 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
12895 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
12896 of ptr into the ENABLE_CHECKING section.
12898 2006-03-08 Jeff Law <law@redhat.com>
12900 * tree-vrp.c (infer_value_range): Only count pointer uses
12901 and dereferences if -fdelete-null-pointer-checks is enabled.
12903 * tree-vrp.c (find_assert_locations): Infer value ranges for
12904 single use pointers, but do not create ASSERT_EXPRs for them.
12905 When a non-null range is inferred for a pointer, backwards
12906 propagate that range to other equivalent pointers through the
12909 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
12912 * Makefile.in (dvi, html, install-info): Invoke the corresponding
12913 language hook targets.
12914 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
12915 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
12916 if language hook targets were missing.
12918 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
12920 * tree-ssa-opfinalize.h: Removed.
12921 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
12923 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
12924 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
12925 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
12926 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
12927 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
12928 finalize_ssa_v_must_def_ops): New.
12930 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
12932 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
12933 block as parameter.
12935 2006-03-07 Geoffrey Keating <geoffk@apple.com>
12937 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
12939 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
12940 addresses with offsets; reorganize.
12942 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
12943 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
12944 (expand_builtin_init_dwarf_reg_sizes): Likewise.
12946 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
12949 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
12951 2006-03-08 Ben Elliston <bje@au.ibm.com>
12953 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
12955 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
12958 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
12961 2006-03-07 Richard Guenther <rguenther@suse.de>
12963 PR tree-optimization/26587
12964 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
12966 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12968 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
12970 2006-03-07 Richard Sandiford <richard@codesourcery.com>
12972 * hooks.c (hook_bool_mode_rtx_true): New function.
12973 * hooks.h (hook_bool_mode_rtx_true): Declare.
12974 * toplev.c (compile_file): Call output_shared_constant_pool.
12975 * varasm.c (shared_constant_pool): New variable.
12976 (assemble_start_function, assemble_end_function): Remove arguments
12977 from call to output_constant_pool.
12978 (create_constant_pool): New function, split out from...
12979 (init_varasm_status): ...here.
12980 (force_const_mem): Choose between the shared and per-function constant
12981 pools. Set current_function_uses_const_pool when reusing old entries
12982 as well as when creating new ones.
12983 (mark_constant): Ignore data argument.
12984 (mark_constants): Remove pool argument.
12985 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
12986 to decide whether the function uses a constant pool.
12987 (output_constant_pool_contents): New function, split out from...
12988 (output_constant_pool): ...here.
12989 (output_shared_constant_pool): New function.
12990 (init_varasm_once): Initialize shared_constant_pool.
12991 * output.h (output_constant_pool): Delete.
12992 (output_shared_constant_pool): Declare.
12993 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
12994 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
12996 2006-03-06 Nick Clifton <nickc@redhat.com>
12998 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
12999 flag_strength_reduce.
13001 2006-03-06 Ben Elliston <bje@au.ibm.com>
13003 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13004 x86_64-*-linux* configurations.
13006 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13007 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13009 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13011 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13013 * basic-block.h: Remove the extern for
13014 rediscover_loops_after_threading.
13016 * cfgloop.c (cancel_loop): Make it static.
13017 * cfgloop.h: Remove the prototype for cancel_loop.
13019 * flow.c (recompute_reg_usage): Make it static.
13020 * rtl.h: Remove the prototype for recompute_reg_usage.
13022 * function.c (use_return_register): Make it static.
13023 * function.h: Remove the prototype.
13025 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13027 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13029 * recog.h: Remove the prototype for
13030 validate_change_maybe_volatile.
13032 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13034 * rtlanal.c (replace_reg): Remove.
13035 * rtl.h: Remove the prototype for replace_reg.
13037 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13039 * regclass.c (reg_scan_update): Remove.
13040 (reg_scan_mark_refs): Remove the last argument.
13041 * rtl.h: Remove the prototype for reg_scan_update.
13043 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13045 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13046 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13047 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13048 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13049 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13050 loop-invariant.c, omp-low.c, opts.c, passes.c,
13051 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13052 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13053 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13054 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13055 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13056 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13058 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13060 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13061 * dwarf2out.h: Remove the prototype for
13062 dwarf2out_add_library_unit_info.
13064 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13066 * tree.c (add_var_to_bind_expr): Remove.
13067 * tree.h: Remove the prototype for add_var_to_bind_expr.
13069 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13071 * regclass.c (n_non_fixed_regs): Remove.
13072 (init_reg_sets_1, globalize_reg): Remove all uses of
13074 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13076 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13078 * rtlanal.c (insns_safe_to_move_p): Remove.
13079 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13081 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13083 * expmed.c (expand_mult_add): Remove.
13084 * expr.h: Remove the prototype for expand_mult_add.
13086 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13088 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13089 and REG_SAVED_VAL_EXP constants.
13090 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13091 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13092 Handle regs stored by value.
13093 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13094 (execute_cfa_program): Handle DW_CFA_val_offset,
13095 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13096 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13097 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13098 (uw_install_context_1): Handle target regs stored by value.
13100 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13102 * tree-sra.c (tree_sra): Return todoflags;
13103 (generate_one_element): Set TODO_update_smt_usage if needed.
13104 (pass_sra): Remove TODO_update_smt_usage.
13105 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13107 (tree_ssa_forward_propagate_single_use_vars): Return
13108 TODO_update_smt_usage if we need to update SMT usage.
13109 (pass_forwprop): Remove TODO_update_smt_usage.
13111 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13113 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13114 (correct_use_link): Remove reference to get_stmt_operands.
13115 (update_stmt_operands): Likewise.
13116 (get_modify_expr_operands): New function factored out of
13117 parse_ssa_operands and get_expr_operands.
13118 Try to create V_MUST_DEFs for LHS by default.
13119 (get_expr_operands) <case MODIFY_EXPR>: Call
13120 get_modify_expr_operands.
13121 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13122 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13123 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13124 get_modify_expr_operands.
13126 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13128 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13129 * tree-flow.h: Remove the prototype for
13130 referenced_var_lookup_if_exists.
13132 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13134 PR rtl-optimization/26345
13136 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13138 2006-03-03 Roger Sayle <roger@eyesopen.com>
13140 PR tree-optimization/26524
13141 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13142 fold_convert to create a constant of the appropriate type.
13144 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13146 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13147 SYMBOL_REF_IN_BLOCK_P.
13148 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13149 of SYMBOL_FLAG_IN_BLOCK.
13150 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13151 instead of SYMBOL_REF_IN_BLOCK_P.
13152 * explow.c (use_anchored_address): Likewise.
13153 * rtl.c (rtx_size): Likewise.
13154 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13155 instead of SYMBOL_FLAG_IN_BLOCK.
13156 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13157 SYMBOL_REF_IN_BLOCK_P.
13158 (assemble_variable): Likewise.
13159 (output_constant_def_contents): Likewise.
13160 (output_constant_pool): Likewise.
13161 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13162 instead of SYMBOL_FLAG_IN_BLOCK.
13163 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13164 SYMBOL_REF_IN_BLOCK_P.
13165 (SYMBOL_REF_BLOCK): Likewise.
13166 (SYMBOL_REF_OFFSET): Likewise.
13167 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13168 SYMBOL_REF_IN_BLOCK_P.
13169 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13170 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13171 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13172 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13174 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13176 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13178 2006-03-02 Roger Sayle <roger@eyesopen.com>
13180 * simplify-rtx.c (simplify_unary_operation): When simplifying
13181 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13182 that we perform the right shift in the appropriate mode, and
13183 then extend or truncate the result to requested mode.
13185 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13187 * gengtype.c (main): Handle double_int type.
13188 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13189 * double-int.c: New file.
13190 * double-int.h: New file.
13191 * system.h: Include doubleint.h.
13192 * Makefile.in (SYSTEM_H): Include double-int.h.
13193 (double-int.o): Add.
13195 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13198 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13201 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13203 * tree-vrp.c (remove_range_assertions): Do not update statements
13206 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13208 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13210 * gcse.c (rest_of_handle_gcse): Ditto.
13211 * except.c (gate_handle_eh): Ditto.
13212 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13213 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13215 2006-03-02 Eric Christopher <echristo@apple.com>
13217 * config/i386/i386.c (machopic_output_stub): Add indirection to
13220 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13224 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13226 Sun Niagara specific optimizations.
13227 * config.gcc: Recognize niagara as target.
13228 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13229 (TARGET_CPU_niagara): Define.
13230 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13231 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13232 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13233 (ASM_CPU_SPEC): Likewise.
13234 (PROCESSOR_NIAGARA): New enum entry.
13235 (REGISTER_MOVE_COST): Handle Niagara.
13236 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13237 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13238 (sparc_override_options): Recognize "niagara", set appropriate
13239 default MASK_* values for it, and align functions to 32-bytes
13240 by default just like ULTRASPARC/ULTRASPARC3.
13241 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13242 (sparc64_initialize_trampoline): Likewise.
13243 (sparc_use_sched_lookahead): Use zero for niagara.
13244 (sparc_issue_rate): Use one for niagara.
13245 * config/sparc/niagara.md: New file.
13246 * config/sparc/sparc.md: Include it.
13247 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13248 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13249 when default cpu is niagara.
13250 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13251 (ASM_CPU_SPEC): Likewise.
13252 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13253 when default cpu is niagara.
13254 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13255 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13256 just like v9/ultrasparc/ultrasparc3.
13257 * doc/invoke.texi: Add documentation for "niagara" and improve
13258 existing documentation for ultrasparc variants.
13260 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13262 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13264 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13266 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13267 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13268 and say that only one is needed.
13269 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13270 * target.h (have_switchable_bss_sections): New hook.
13271 * explow.c (use_anchored_address): Check that the symbol is in a block.
13272 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13273 (bss_noswitch_section): New variables.
13274 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13275 (get_noswitch_section): New function.
13276 (get_block_for_section): Allow SECT to be null.
13277 (unlikely_text_section_p): Use SECTION_STYLE.
13278 (bss_initializer_p): New function.
13279 (get_variable_section): Move earlier in file. Take a new argument,
13280 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13281 Return one of the new *_sections in such cases.
13282 (get_block_for_decl): New function, extracting some logic from
13283 use_blocks_for_decl_p.
13284 (change_symbol_section): Remove in favor of...
13285 (change_symbol_block): ...this new function.
13286 (use_blocks_for_decl_p): Remove checks now performed by
13287 get_block_for_decl.
13288 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13289 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13290 (emit_local, emit_bss, emit_common): ...these new functions.
13291 Return true if the alignment was honored.
13292 (emit_tls_common): New function.
13293 (asm_emit_uninitialised): Delete.
13294 (assemble_variable_noswitch): New function, split out from...
13295 (assemble_variable): ...here. Don't make decisions about common
13296 variables here. Globalize all public decls that go into non-common
13297 sections. Check whether SYMBOL_REF_BLOCK is null.
13298 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13299 (output_constant_pool): Likewise.
13300 (init_varasm_once): Initialize the new section variables.
13301 (have_global_bss_p): New function.
13302 (categorize_decl_for_section): Use bss_initializer_p.
13303 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13304 (place_block_symbol): Assert that the symbol must be in a block.
13305 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13306 (TARGET_INITIALIZER): Include it.
13307 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13308 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13309 (SECTION_MACH_DEP): Bump by two.
13310 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13311 (unnamed_section): Mention SECTION_UNNAMED in comment.
13312 (named_section): Likewise SECTION_NAMED.
13313 (noswitch_section_callback): New type.
13314 (noswitch_section): New structure.
13315 (section): Add a noswitch_section alternative.
13316 (SECTION_STYLE): New macro.
13317 (tls_comm_section, comm_section, lcomm_section): Declare.
13318 (bss_noswitch_section, have_global_bss_p): Declare.
13319 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13320 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13322 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13323 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13326 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13328 * tree-vrp.c (execute_vrp): Return value.
13329 * regrename.c (rest_of_handle_regrename): Ditto.
13330 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13331 * tree-complex.c (tree_lower_complex): Ditto.
13332 (tree_lower_complex_O0): Ditto.
13333 * tracer.c (rest_of_handle_tracer): Ditto.
13334 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13335 * postreload.c (rest_of_handle_postreload): Ditto.
13336 * tree-tailcall.c (execute_tail_recursion): Ditto.
13337 (execute_tail_calls): Ditto.
13338 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13339 * tree.h (init_function_for_compilation): Ditto.
13340 * ipa-cp.c (ipcp_driver): Ditto.
13341 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13342 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13343 * final.c (compute_alignments): Ditto.
13344 (rest_of_handle_final): Ditto.
13345 (rest_of_handle_shorten_branches): Ditto.
13346 (rest_of_clean_state): Ditto.
13347 * omp-low.c (execute_expand_omp): Ditto.
13348 (execute_lower_omp): Ditto.
13349 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13350 * ipa-reference.c (static_execute): Ditto.
13351 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13352 * reorg.c (rest_of_handle_delay_slots): Ditto.
13353 (rest_of_handle_machine_reorg): Ditto.
13354 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13355 * flow.c (recompute_reg_usage): Ditto.
13356 (rest_of_handle_remove_death_notes): Ditto.
13357 (rest_of_handle_life): Ditto.
13358 (rest_of_handle_flow2): Ditto.
13359 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13360 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13361 (do_ssa_store_ccp): Ditto.
13362 (execute_fold_all_builtins): Ditto.
13363 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13364 * modulo-sched.c (rest_of_handle_sms): Ditto.
13365 * ipa-pure-const.c (static_execute): Ditto.
13366 * cse.c (rest_of_handle_cse): Ditto.
13367 (rest_of_handle_cse2): Ditto.
13368 * web.c (rest_of_handle_web): Ditto.
13369 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13370 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13371 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13372 * tree-nrv.c (tree_nrv): Ditto.
13373 (execute_return_slot_opt): Ditto.
13374 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13375 (create_structure_vars): Ditto.
13376 * loop-init.c (rtl_loop_init): Ditto.
13377 (rtl_loop_done): Ditto.
13378 (rtl_move_loop_invariants): Ditto.
13379 (rtl_unswitch): Ditto.
13380 (rtl_unroll_and_peel_loops): Ditto.
13381 (rtl_doloop): Ditto.
13382 * gimple-low.c (lower_function_body): Ditto.
13383 (mark_used_blocks): Ditto.
13384 * tree-ssa-sink.c (execute_sink_code): Ditto.
13385 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13386 (cgraph_early_inlining): Ditto.
13387 * global.c (rest_of_handle_global_alloc): Ditto.
13388 * jump.c (cleanup_barriers): Ditto.
13389 (purge_line_number_notes): Ditto.
13390 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13391 (rest_of_handle_if_after_reload): Ditto.
13392 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13393 (tree_ssa_loop_im): Ditto.
13394 (tree_ssa_loop_unswitch): Ditto.
13395 (tree_vectorize): Ditto.
13396 (tree_linear_transform): Ditto.
13397 (tree_ssa_loop_ivcanon): Ditto.
13398 (tree_ssa_empty_loop): Ditto.
13399 (tree_ssa_loop_bounds): Ditto.
13400 (tree_complete_unroll): Ditto.
13401 (tree_ssa_loop_prefetch): Ditto.
13402 (tree_ssa_loop_ivopts): Ditto.
13403 (tree_ssa_loop_done): Ditto.
13404 * predict.c (tree_estimate_probability): Ditto.
13405 * recog.c (split_all_insns_noflow): Ditto.
13406 (rest_of_handle_peephole2): Ditto.
13407 (rest_of_handle_split_all_insns): Ditto.
13408 * tree-eh.c (lower_eh_constructs): Ditto.
13409 * regmove.c (rest_of_handle_regmove): Ditto.
13410 (rest_of_handle_stack_adjustments): Ditto.
13411 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13412 * function.c (instantiate_virtual_regs): Ditto.
13413 (init_function_for_compilation): Ditto.
13414 (rest_of_handle_check_leaf_regs): Ditto.
13415 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13416 (rest_of_handle_gcse): Ditto.
13417 * ipa-type-escape.c (type_escape_execute): Ditto.
13418 * alias.c (rest_of_handle_cfg): Ditto.
13419 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13420 * profile.c (rest_of_handle_branch_prob): Ditto.
13421 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13422 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13423 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13424 * tree-dfa.c (find_referenced_vars): Ditto.
13425 * except.c (set_nothrow_function_flags): Ditto.
13426 (convert_to_eh_region_ranges): Ditto.
13427 (rest_of_handle_eh): Ditto.
13428 * emit-rtl.c (unshare_all_rtl): Ditto.
13429 (remove_unnecessary_notes): Ditto.
13430 * except.h (set_nothrow_function_flags): Ditto.
13431 (convert_to_eh_region_ranges): Ditto.
13432 * cfgexpand.c (tree_expand_cfg): Ditto.
13433 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13434 * tree-ssa-pre.c (do_pre): Ditto.
13435 (execute_fre): Ditto.
13436 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13437 (rest_of_handle_jump2): Ditto.
13438 * tree-sra.c (tree_sra): Ditto.
13439 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13440 (execute_mudflap_function_decls): Ditto.
13441 * tree-ssa-copy.c (do_copy_prop): Ditto.
13442 (do_store_copy_prop): Ditto.
13443 * ipa-prop.h (ipcp_driver): Ditto.
13444 * cfglayout.c (insn_locators_initialize): Ditto.
13445 * tree-ssa-forwprop.c
13446 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13447 * cfglayout.h (insn_locators_initialize): Ditto.
13448 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13449 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13450 (execute_late_warn_uninitialized): Ditto.
13451 * rtl.h (cleanup_barriers): Ditto.
13452 (split_all_insns_noflow): Ditto.
13453 (purge_line_number_notes): Ditto.
13454 (unshare_all_rtl): Ditto.
13455 (remove_unnecessary_notes): Ditto.
13456 (recompute_reg_usage): Ditto.
13457 (variable_tracking_main): Ditto.
13458 * integrate.c (emit_initial_value_sets): Ditto.
13459 * integrate.h (emit_initial_value_sets): Ditto.
13460 * tree-optimize.c (execute_free_datastructures): Ditto
13461 (execute_free_cfg_annotations): Ditto.
13462 (execute_fixup_cfg): Ditto.
13463 (execute_cleanup_cfg_pre_ipa): Ditto.
13464 (execute_cleanup_cfg_post_optimizing): Ditto.
13465 (execute_init_datastructures): Ditto.
13466 * tree-object-size.c (compute_object_sizes): Ditto.
13467 * combine.c (rest_of_handle_combine): Ditto.
13468 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13469 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13470 (rest_of_handle_reorder_blocks): Ditto.
13471 (rest_of_handle_partition_blocks): Ditto.
13472 * var-tracking.c (variable_tracking_main): Ditto.
13473 * tree-profile.c (tree_profiling): Ditto.
13474 * tree-vect-generic.c (expand_vector_operations): Ditto.
13475 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13476 * sched-rgn.c (rest_of_handle_sched): Ditto.
13477 (rest_of_handle_sched2): Ditto.
13478 * basic-block.h (free_bb_insn): Ditto.
13479 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13480 * tree-cfg.c (execute_build_cfg): Ditto.
13481 (remove_useless_stmts): Ditto.
13482 (split_critical_edges): Ditto.
13483 (execute_warn_function_return): Ditto.
13484 (execute_warn_function_noreturn): Ditto.
13485 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13486 * cfgrtl.c (free_bb_for_insn): Ditto.
13487 * passes.c (execute_one_pass): Run additional
13488 todos returned by execute function.
13489 * tree-pass.h (struct tree_opt_pass): Make execute
13492 2006-03-02 Richard Guenther <rguenther@suse.de>
13494 * tree-ssa-alias.c (find_used_portions): Consider taking
13495 the address as making the variable not write-only.
13497 2006-03-02 Nick Clifton <nickc@redhat.com>
13499 * config.gcc (default_use_cxa_atexit): Extend the description of
13500 this configure variable. Set its default value to "yes" for
13501 Linux, NetBSD and ELF targets on the assumption that they will
13502 use C libraries with the __cxa_atexit function.
13504 2006-03-02 Ben Elliston <bje@au.ibm.com>
13506 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13507 parameter as unused to suppress a build warning.
13509 2006-03-02 Ben Elliston <bje@au.ibm.com>
13511 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13514 2006-03-01 Roger Sayle <roger@eyesopen.com>
13517 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13518 declared name, the weak reference name, and the typeof name.
13519 (__gthrw): Avoid expanding the declared name suffix.
13520 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13522 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13524 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13526 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13527 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13528 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13529 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13530 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13531 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13532 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13533 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13534 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13535 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13536 (DW_END_default, DW_END_big, DW_END_little): New.
13537 (DW_END_lo_user, DW_END_hi_user): Define.
13538 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13539 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13540 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13543 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13545 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13547 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13549 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13551 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13553 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13554 to 'symbol_mem_tag'.
13556 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13559 2006-03-01 Roger Sayle <roger@eyesopen.com>
13561 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13563 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13566 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13567 MACHO_DYNAMIC_NO_PIC_P.
13568 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13570 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13573 * config/darwin-protos.h (darwin_asm_output_anchor):
13575 * config/darwin-sections.def (cstring_section):
13576 Add SECTION_MERGE to the flags.
13577 (literal4_section): Likewise.
13578 (literal8_section): Likewise.
13579 (objc_selector_refs_section): Likewise.
13580 (objc_cls_refs_section): Likewise.
13581 * config/darwin.c (darwin_asm_output_anchor): New
13583 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13585 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13587 Fix PR tree-optimization/26443
13588 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13589 to todo and PROP_tmt_usage to properties_destroyed.
13590 * tree-ssa-ccp.c (pass_ccp): Ditto.
13591 (pass_store_ccp): Ditto.
13592 * tree-ssa-dom.c (pass_dominator): Ditto.
13594 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13596 * tree-ssa-operands.c: Cleanup whitespace.
13597 (get_asm_expr_operands): Move before first invocation.
13598 (get_indirect_ref_operands): Likewise.
13599 (get_tmr_operands): Likewise.
13600 (get_call_expr_operands): Likewise.
13601 (append_def): Likewise.
13602 (append_use): Likewise.
13603 (append_v_may_def): Likewise.
13604 (append_v_must_def): Likewise.
13605 (add_call_clobber_ops): Likewise.
13606 (add_call_read_ops): Likewise.
13607 (add_stmt_operand): Likewise.
13608 (add_virtual_operand): Likewise.
13609 (build_ssa_operands): Likewise.
13611 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13613 PR middle-end/26022
13615 PR middle-end/24437
13616 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13617 with a call expr to ...
13618 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13620 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13622 * tree-vrp.c (extract_range_from_assert): Remove special
13623 handling for types with super-types.
13625 2006-03-01 Ben Elliston <bje@au.ibm.com>
13627 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13628 and powerpc64-*-linux* configurations.
13629 * config/t-dfprules: New file.
13631 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13632 Compile dfp-bit.c from the source directory using -DWIDTH and
13633 $DFP_CFLAGS to control the compilation of that file, rather than
13634 generating width-specific versions in the build directory.
13635 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13636 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13638 2006-02-28 Zack Weinberg <zackw@panix.com>
13640 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13643 2006-02-28 Eric Christopher <echristo@apple.com>
13645 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13646 Set up IN_LIBGCC definition of TARGET_64BIT.
13647 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13649 2006-02-28 Roger Sayle <roger@eyesopen.com>
13651 PR middle-end/14752
13652 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13653 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13654 cases via the construction of "expr != 0".
13656 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13658 * alias.c (alias_invariant, alias_invariant_size): Remove.
13659 (record_base_value): Remove.
13660 (memrefs_conflict_p): Don't look at alias_invariant.
13661 (end_alias_analysis): Don't free it.
13662 * alias.h (record_base_value): Remove prototype.
13664 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13665 Adam Nemet <anemet@caviumnetworks.com>
13667 * rtl.h (truncated_to_mode): Declare it.
13668 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13669 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13670 (RTL_HOOKS_INITIALIZER): Include it.
13671 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13672 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13673 reg_truncated_to_mode.
13674 * rtlanal.c (truncated_to_mode): Define it.
13675 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13677 2006-02-28 Jeff Law <law@redhat.com>
13679 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13680 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13681 the range allowed by TYPE_PRECISION.
13683 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13685 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13687 PR tree-optimization/26419
13688 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13691 2006-02-27 Zack Weinberg <zackw@panix.com>
13693 * doc/md.texi: Fix typo in previous change.
13695 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13699 2006-02-27 Zack Weinberg <zackw@panix.com>
13701 * rtl.def (define_constraint, define_register_constraint)
13702 (define_memory_constraint, define_address_constraint): New MD forms.
13703 * gensupport.c (process_rtx): Put define_constraint etc on the
13705 * genpreds.c (process_define_predicate): Adjust comment. Validate
13706 the name, and call validate_exp to validate the expression.
13707 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13708 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13709 all callers changed.
13710 (validate_exp, needs_variable, struct constraint_data)
13711 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13712 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13713 (const_dbl_constraints, constraint_max_namelen)
13714 (have_register_constraints, have_memory_constraints)
13715 (have_address_constraints, have_address_constraints)
13716 (have_extra_constraints, have_const_int_constraints)
13717 (have_const_dbl_constraints, mangle, add_constraint)
13718 (process_define_constraint, process_define_register_constraint)
13719 (write_enum_constraint_num, write_lookup_constraint)
13720 (write_insn_constraint_len, write_regclass_for_constraint)
13721 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13722 (write_insn_extra_memory_constraint)
13723 (write_insn_extra_address_constraint)
13724 (write_satisfies_constraint_fns): New.
13725 (write_tm_preds_h): If we have new-style constraint definitions,
13726 prototype the functions generated from them, and define the
13727 old constraint interface (still used by generic code) in terms of
13729 (write_insn_preds_c): If we have new-style constraint definitions,
13730 generate all relevant functions from those definitions.
13731 (main): Handle define_constraint etc.
13732 * genoutput.c (struct constraint_data, indep_constraints)
13733 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13734 (mdep_constraint_len): New data structures and functions, defined
13735 #ifdef USE_MD_CONSTRAINTS.
13736 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13737 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13738 use new logic to validate operand constraints against constraint
13740 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13742 * defaults.h: If none of the old-style constraint macros are
13743 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13744 old-style macros; and poison REG_CLASS_FROM_LETTER,
13745 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13747 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13748 * doc/md.texi: Document new constraint-definition mechanism and the
13749 C interface it provides. Remove references to old mechanism
13750 elsewhere in the document.
13751 (Machine Constraints): Use pathnames relative to gcc directory,
13752 i.e. config/ARCH/FILE. Change i386 section to refer to
13753 config/i386/predicates.md; update that section to match docstrings.
13754 * doc/tm.texi: Move all documentation of the old constraint-
13755 definition macros to their own section, clearly mark as obsolete.
13757 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13758 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13760 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13761 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13762 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13763 constraint strings.
13764 (splits and peepholes): Use satisfies_constraint_*.
13765 * config/i386/i386.c (memory_address_length)
13766 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13768 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13770 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13771 scalar operation to be put back into the loop.
13773 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13776 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13777 (extract_cie_info): Handle S flag in augmentation string.
13778 (execute_cfa_program): If context->signal_frame, execute also
13779 fs->pc == context->ra instructions.
13780 (uw_frame_state_for): If context->signal_frame, don't subtract one
13781 from context->ra to find FDE.
13782 (uw_update_context_1): Set context->signal_frame to
13784 (_Unwind_GetIPInfo): New function.
13785 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
13786 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
13788 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
13789 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
13790 * unwind-compat.c (_Unwind_GetIPInfo): New function.
13791 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
13792 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
13793 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
13794 * config/i386/linux-unwind.h (x86_fallback_frame_state,
13795 x86_64_fallback_frame_state): Set fs->signal_frame.
13796 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
13797 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
13798 (frob_update_context): Likewise. Workaround missing S flag in
13799 Linux 2.6.12 - 2.6.16 kernel vDSOs.
13800 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
13801 Remove the psw_addr + 1 hack.
13803 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13805 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
13806 with aggregates here.
13807 (find_func_aliases): Remove code for &<aggregate> from here.
13809 2006-02-26 Roger Sayle <roger@eyesopen.com>
13811 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
13812 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
13813 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
13814 as (X & C) ne/eq 0.
13816 2006-02-26 Roger Sayle <roger@eyesopen.com>
13818 PR middle-end/19983
13819 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
13821 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
13823 * opts.c (decode_options): Do not handle flag_strength_reduce.
13824 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
13825 and OPT_fstrength_reduce.
13826 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
13827 flag_prefetch_loop_arrays for being nonzero.
13828 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
13830 (fprefetch-loop-arrays-rtl): Removed.
13831 (flag_prefetch_loop_arrays): Do not specify the value.
13833 * doc/passes.texi: Update documentation of loop optimizer
13835 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
13836 -frerun-loop-opt): Remove.
13838 2006-02-26 Richard Guenther <rguenther@suse.de>
13840 PR tree-optimization/26421
13841 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
13842 in function calls that are ADDR_EXPRs as using the whole structure.
13844 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
13846 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
13847 * tree-pass.h (pass_loop_optimize): Remove.
13848 * passes.c (pass_loop_optimize): Never run it.
13849 * toplev.c (backend_init): Don't call init_loop.
13850 * opts.c (flag_loop_optimize_set): Remove.
13851 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
13852 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
13853 the old RTL loop optimizer when profiling enabled.
13854 * predict.c (tree_estimate_probability): Always strip builtin_expect.
13855 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
13856 pre-headers for the sake of the old RTL loop optimizer.
13857 * Makefile.in: Remove all references to loop.o.
13859 * doc/invoke.texi: Remove all references to -floop-optimize
13860 and -frerun-loop-opt.
13862 2006-02-26 Zack Weinberg <zackw@panix.com>
13864 * doc/md.texi (Machine Constraints): Refer to all files with paths
13865 relative to gcc directory (i.e. config/CPU/file). Add missing
13866 @table @code ... @end table to M32C subsection.
13868 2006-02-26 Roger Sayle <roger@eyesopen.com>
13870 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
13872 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
13874 2006-02-26 Roger Sayle <roger@eyesopen.com>
13875 James A. Morrison <phython@gcc.gnu.org>
13877 PR middle-end/21137
13878 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
13879 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
13880 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
13881 signedness of the shift operation.
13883 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
13885 PR tree-optimization/26359
13886 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
13888 2006-02-25 Roger Sayle <roger@eyesopen.com>
13890 * simplify-rtx.c (simplify_relational_operation_1): Simplify
13891 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
13892 as X == 0, and some symmetry related transformations.
13893 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
13895 2006-02-25 Roger Sayle <roger@eyesopen.com>
13897 PR middle-end/23673
13898 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
13899 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
13900 symmetry related transformations. Fold (X^C1) == C2 as
13903 2006-02-25 Juergen Weigert <jw@suse.de>
13904 Richard Guenther <rguenther@suse.de>
13906 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
13908 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
13910 * combine.c (gen_lowpart_or_truncate): Call
13911 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
13913 2006-02-24 Diego Novillo <dnovillo@redhat.com>
13915 * doc/invoke.texi: Move -fopenmp description to "Options for
13917 Remove reference to -lgomp.
13919 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13921 * doc/install.texi: Require GNU tar version 1.14.
13923 2006-02-24 Geoffrey Keating <geoffk@apple.com>
13925 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
13926 * doc/invoke.texi (C++ Dialect Options): Document
13927 -fno-use-cxa-get-exception-ptr.
13928 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
13929 * configure: Regenerate.
13930 * c.opt (fuse-cxa-get-exception-ptr): New.
13931 * c-opts.c (c_common_handle_option): Handle
13932 OPT_fuse_cxa_get_exception_ptr.
13933 * c-common.c (flag_use_cxa_atexit): Update documentation.
13934 (flag_use_cxa_get_exception_ptr): New.
13935 * c-common.h (flag_use_cxa_get_exception_ptr): New.
13936 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
13938 (C_COMMON_OVERRIDE_OPTIONS): New.
13940 2006-02-24 Roger Sayle <roger@eyesopen.com>
13942 PR middle-end/24952
13943 * combine.c (try_combine): Explicitly check whether GET_CODE is
13944 a SET or a CLOBBER, instead on checking that it isn't a USE.
13946 2006-02-24 Roger Sayle <roger@eyesopen.com>
13948 * fold-const.c (fold_comparison): New subroutine of fold_binary
13949 containing transformations common to both the equality and
13950 ordering relational operators, factored out of fold_binary.
13951 (fold_binary): Separate out the equality operators (EQ_EXPR
13952 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
13953 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
13954 transformations common to both.
13955 (fold_div_compare): Fix latent bugs in the previously unreachable
13956 LT_EXPR and GE_EXPR cases.
13958 2006-02-24 David Edelsohn <edelsohn@gnu.org>
13960 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
13961 decl libname for clog to __clog on AIX.
13963 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
13965 2006-02-24 Alan Modra <amodra@bigpond.net.au>
13968 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
13969 output traceback table for thunks. Localise rs6000_stack_info call.
13971 2006-02-23 Roger Sayle <roger@eyesopen.com>
13972 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13974 * gthr-posix.h (__gthrw): Fix typo in comment.
13976 2006-02-23 Geoffrey Keating <geoffk@apple.com>
13978 * doc/cpp.texi (Character sets): Document that we do support
13979 input files to be in any character set.
13981 2006-02-23 Jeff Law <law@redhat.com>
13983 * tree.h (PHI_ARG_NONZERO): Remove.
13984 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
13985 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
13986 node to the new node.
13988 PR tree-optimization/26425
13989 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
13990 min/max, then assume its varying.
13992 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
13994 PR rtl-optimization/26316
13995 * rtlanal.c (enum may_trap_p_flags): New.
13996 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
13997 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
13998 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
13999 (may_trap_after_code_motion_p): New function.
14000 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14001 (find_invariant_insn): Use may_trap_after_code_motion_p.
14002 * rtl.h (may_trap_after_code_motion_p): Declare.
14004 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14006 * emit-rtl.c (immed_double_const): Cleanup.
14008 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14010 Fix PR tree-optimization/26376
14011 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14014 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14016 PR middle-end/26412
14017 * gimplify.c (omp_add_variable): Guard variable size decl test with
14018 DECL_SIZE (decl) check.
14020 2006-02-23 Richard Guenther <rguenther@suse.de>
14022 PR middle-end/26439
14023 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14024 like aggregate types.
14026 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14028 * configure.ac: Add --with{,out}-long-double-128 configure option.
14029 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14030 * configure: Rebuilt.
14031 * config.in: Rebuilt.
14032 * doc/install.texi (Options specification): Document
14033 --with-long-double-128.
14035 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14036 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14037 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14038 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14040 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14042 * config/s390/s390.c (override_options): Handle
14043 TARGET_DEFAULT_LONG_DOUBLE_128.
14045 * config/alpha/alpha.c (override_options): Handle
14046 TARGET_DEFAULT_LONG_DOUBLE_128.
14048 * config/sparc/sparc.c (sparc_override_options): Handle
14049 TARGET_DEFAULT_LONG_DOUBLE_128.
14051 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14053 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14054 (real-install-headers-tar, real-install-headers-cpio)
14055 (real-install-headers-cp): New targets.
14057 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14059 * tree.h (variable_section): Delete.
14060 * varasm.c (variable_section): Delete.
14062 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14064 * install.texi: Add notes on install.texi2html.
14065 (Building in parallel): Do not use footnotes.
14067 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14070 * doc/install.texi (Configuration): Document --disable-libgomp.
14072 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14074 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14076 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14078 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14079 (vec_extractv2df_0_sse): New.
14081 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14083 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14084 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14085 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14086 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14087 to the result of the expression.
14088 (def_cfa_1): Adjust.
14089 (frame_pointer_cfa_offset): Rename to...
14090 (frame_pointer_fb_offset): ... this. Adjust all uses.
14091 (convert_cfa_to_loc_list): Rename to...
14092 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14093 Pass it on to build_cfa_loc.
14094 (compute_frame_pointer_to_cfa_displacement): Rename to...
14095 (compute_frame_pointer_to_fb_displacement): ... this. New
14096 offset parameter. Use it in computation.
14097 (gen_subprogram_die): Compute cfa_fb_offset with the new
14098 macro, and use it to compute the fb loc list and the
14101 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14103 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14104 replaced with register_operand.
14105 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14106 non-DREG is expensive.
14107 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14108 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14111 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14113 * doc/install.texi2html: Use set -e.
14115 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14117 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14118 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14119 * doc/invoke.texi (-fshared-data): Delete.
14120 * common.opt (fshared-data): Delete.
14121 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14122 (assemble_static_space): Remove #if 0 code.
14123 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14124 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14125 * config/cris/cris.h: Remove FIXME.
14127 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14129 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14132 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14134 PR middle-end/26379
14135 * combine.c (simplify_shift_const_1): Disable nested shifts
14136 optimization for vector shifts.
14138 2006-02-20 Roger Sayle <roger@eyesopen.com>
14140 PR tree-optimization/26361
14141 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14142 of unsigned integer types.
14144 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14146 * tree-chrec.c (eq_evolutions_p): New.
14147 * tree-chrec.h (eq_evolutions_p): Declared.
14148 * tree-data-ref.c: Fix formatting.
14149 (datadep_stats, dependence_stats): New.
14151 (print_direction_vector): New.
14152 (dump_data_dependence_relation): Use print_direction_vector.
14153 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14154 (compute_subscript_distance): Static.
14155 (initialize_data_dependence_relation): Static. Get the number
14156 of loops surrounding the references from the callers, and initialize
14157 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14158 base_object_differ_p analyzers.
14159 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14160 compute_overlap_steps_for_affine_1_2,
14161 analyze_subscript_affine_affine): Count the classified dependences.
14162 Print a message when a test failed.
14163 (can_use_analyze_subscript_affine_affine): New.
14164 (analyze_siv_subscript): Compute the data dependences on symbolic
14165 scevs that verify can_use_analyze_subscript_affine_affine.
14166 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14167 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14168 Handle symbolic scevs.
14169 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14171 (subscript_dependence_tester): Moved...
14172 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14173 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14174 DDR_SIZE_VECT instead of getting it in parameter.
14175 (subscript_dependence_tester): ... here. Take as a parameter
14176 loop_nest_depth. Call build_classic_dist_vector and
14177 build_classic_dir_vector.
14178 (compute_affine_dependence): Update subscript_dependence_tester
14179 parameters. Update datadep_stats counters. Call
14180 compute_subscript_distance.
14181 (compute_self_dependence): Save the dist and dir vectors. Call
14182 compute_subscript_distance.
14183 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14184 (compute_all_dependences): Reorder parameters as they were before
14185 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14186 compute_subscript_distance. Update the use of
14187 compute_affine_dependence and initialize_data_dependence_relation.
14188 (find_data_references_in_loop): Handle COMPONENT_REF.
14189 (compute_data_dependences_for_loop): Initialize dependence_stats.
14190 Don't call build_classic_dist_vector and build_classic_dir_vector.
14191 Update the parameters of initialize_data_dependence_relation and
14192 compute_all_dependences. Print the statistics from datadep_stats.
14193 (analyze_all_data_dependences): Static. Not used until the pass for
14194 checking the data dependences is contributed.
14195 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14196 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14197 (initialize_data_dependence_relation, compute_affine_dependence,
14198 analyze_all_data_dependences, compute_subscript_distance): Removed.
14199 (print_direction_vector): New.
14200 * lambda.h (gcd): ... here.
14201 (lambda_vector_gcd): Moved here from gcd_vector.
14202 * lambda-code.c (gcd, gcd_vector): Removed.
14203 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14204 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14206 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14208 * ipa-type-escape.c: Tidy some comments and white space.
14209 * tree-ssa-operands.c: Likewise.
14211 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14214 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14215 (dump_decl_name): Do not walk the decl tree chains.
14216 * tree-pass.h (TDF_CHAIN): Remove.
14218 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14220 * Makefile.in (C): Remove
14222 (.PHONY): Remove C and PROTO
14224 2006-02-20 Roger Sayle <roger@eyesopen.com>
14226 PR middle-end/26236
14227 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14228 deprecated CHAR_TYPE tree code.
14230 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14232 * configure.ac (target_list): Add install-info, dvi, html.
14233 * configure: Regenerate.
14235 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14236 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14237 treelang/Make-lang.in: Do not use double-colon rules.
14239 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14241 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14242 (TMT_USED_ALONE): New macro.
14243 * tree-pass.h (PROP_tmt_usage): New property.
14244 (TODO_update_tmt_usage): New todo.
14245 * tree-ssa-alias.c (updating_used_alone): New variable.
14246 (recalculate_used_alone): New function.
14247 (compute_may_aliases): Set updating_used_alone, call
14248 recalculate_used_alone.
14249 * tree-sra.c (pass_sra): Note that this pass destroys
14250 PROP_tmt_usage, and add TODO_update_tmt_usage.
14251 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14252 * tree-flow.h (updating_used_alone): Prototype.
14253 (recalculate_used_alone): Ditto.
14254 * passes.c (execute_todo): Add code to set updating_used_alone,
14255 and call recalculate.
14256 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14257 for clobber if used alone, and add assert to verify used_alone
14260 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14262 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14263 for non tls symbols added.
14264 (legitimize_address): Do nothing for PLUS expressions if one of the
14265 addends is a tls symbol reference.
14267 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14271 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14273 * Makefile.in (BOOTSTRAPPING): New.
14274 (quickstrap): New definition if BOOTSTRAPPING=yes.
14276 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14277 * configure.ac: Substitute all_selected_languages with the languages
14278 that were configured. For all the other variables except
14279 lang_specs_files, include all the languages in the tree.
14280 * configure: Regenerate.
14282 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14283 if there is one. Run the commands to run fixincludes in the same
14286 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14287 * doc/install.texi: Document exact conventions for searching target tools.
14288 Document --with-build-time-tools. Document toplevel bootstrap. Document
14289 something more about building an Ada cross-compiler. Don't list GNU Make
14290 requirements which affect all platforms.
14292 2006-02-19 Roger Sayle <roger@eyesopen.com>
14294 PR middle-end/19543
14295 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14296 only equivalent if the have both the same mode and precision.
14298 2006-02-20 Ben Elliston <bje@au.ibm.com>
14300 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14302 2006-02-19 Roger Sayle <roger@eyesopen.com>
14303 Steven Bosscher <stevenb.gcc@gmail.com>
14305 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14306 constant pool references to identify stack mode constants.
14307 * rtlanal.c (constant_pool_constant_p): New predicate to check
14308 whether operand is a floating point constant in the pool.
14309 * rtl.h (constant_pool_constant_p): Prototype here.
14310 * loop.c (scan_loop): Avoid hoisting constants from the constant
14311 pool on STACK_REGS targets.
14312 (load_mems): Likewise.
14313 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14314 loads into x87 registers expensive in terms of register pressure.
14316 2006-02-19 Roger Sayle <roger@eyesopen.com>
14318 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14319 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14321 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14323 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14324 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14326 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14328 * doc/invoke.texi: Document -fipa-pta.
14329 * common.opt: Add ipa-pta option.
14330 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14331 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14332 (do_ds_constraint): Ditto.
14333 (get_constraint_for): Only add to referenced_vars if
14334 referenced_vars exists.
14335 (insert_into_field_list): Rewrite to do this unsorted.
14336 (insert_into_field_list_sorted): Rename old insert_into_field_list
14338 (create_function_info_for): Use insert_into_field_list_sorted.
14339 (create_variable_info_for): Rewrite so it uses unsorted version,
14340 since the field list is sorted.
14341 (intra_create_variable_infos): Only add to referenced_vars if
14342 referenced_vars exists.
14343 (ipa_pta_execute): Init heapvars, and delete when done.
14344 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14346 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14348 * doc/install.texi: Add missing `@samp'.
14350 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14352 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14355 2006-02-18 Mark Wielaard <mark@klomp.org>
14357 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14358 who added new 4.1 features, bug fixes and integration support.
14360 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14363 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14364 MEM for ABI_V4 pic.
14366 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14368 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14369 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14370 (copy_insn_1): Likewise. Don't copy each field individually.
14372 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14374 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14375 * rtl.c (rtx_size): Rename variable to...
14376 (rtx_code_size): ...this.
14377 (rtx_size): New function.
14378 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14379 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14381 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14382 * rtl.h (rtx_code_size): New variable.
14383 (rtx_size): Change from a variable to a function.
14384 (RTX_SIZE): Rename to...
14385 (RTX_CODE_SIZE): ...this.
14388 PR tree-optimization/17106
14389 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14390 (Anchored Addresses): New section.
14391 * doc/invoke.texi (-fsection-anchors): Document.
14392 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14393 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14394 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14395 * hooks.c (hook_bool_mode_rtx_false): New function.
14396 * hooks.h (hook_bool_mode_rtx_false): Declare.
14397 * gengtype.c (create_optional_field): New function.
14398 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14399 SYMBOL_REF_IN_BLOCK_P is true.
14400 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14401 (min_anchor_offset, max_anchor_offset): Likewise.
14402 (use_anchors_for_symbol_p): New hook.
14403 * toplev.c (compile_file): Call output_object_blocks.
14404 (target_supports_section_anchors_p): New function.
14405 (process_options): Check that -fsection-anchors is only used on
14406 targets that support it and when -funit-at-a-time is in effect.
14407 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14408 if the decl doesn't have one.
14409 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14410 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14411 of force_const_mem through use_anchored_address.
14412 (expand_expr_constant): New function.
14413 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14414 calling expand_expr for INDIRECT_REF.
14415 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14416 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14417 * expr.h (use_anchored_address): Declare.
14418 * loop-unroll.c: Don't declare rtx vectors here.
14419 * explow.c: Include output.h.
14420 (validize_mem): Call use_anchored_address.
14421 (use_anchored_address): New function.
14422 * common.opt (-fsection-anchors): New switch.
14423 * varasm.c (object_block_htab, anchor_labelno): New variables.
14424 (hash_section, object_block_entry_eq, object_block_entry_hash)
14425 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14426 (use_blocks_for_decl_p, change_symbol_section): New functions.
14427 (get_variable_section): New function, split out from assemble_variable.
14428 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14429 use_blocks_for_decl_p say so. Use change_symbol_section if the
14430 symbol has already been created.
14431 (assemble_variable_contents): New function, split out from...
14432 (assemble_variable): ...here. Don't output any code for
14433 block symbols; just pass them to place_block_symbol.
14434 Use get_variable_section and assemble_variable_contents.
14435 (get_constant_alignment, get_constant_section, get_constant_size): New
14436 functions, split from output_constant_def_contents.
14437 (build_constant_desc): Create a block symbol if use_object_blocks_p
14438 says so. Or into SYMBOL_REF_FLAGS.
14439 (assemble_constant_contents): New function, split from...
14440 (output_constant_def_contents): ...here. Don't output any code
14441 for block symbols; just pass them to place_section_symbol.
14442 Use get_constant_section and get_constant_alignment.
14443 (force_const_mem): Create a block symbol if use_object_blocks_p and
14444 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14445 (output_constant_pool_1): Add an explicit alignment argument.
14446 Don't switch sections here.
14447 (output_constant_pool): Adjust call to output_constant_pool_1.
14448 Switch sections here instead. Don't output anything for block symbols;
14449 just pass them to place_block_symbol.
14450 (init_varasm_once): Initialize object_block_htab.
14451 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14452 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14453 (place_block_symbol, get_section_anchor, output_object_block)
14454 (output_object_block_htab, output_object_blocks): New functions.
14455 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14456 (TARGET_ASM_OUT): Include it.
14457 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14458 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14459 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14460 (TARGET_INITIALIZER): Include them.
14461 * rtl.c (rtl_check_failed_block_symbol): New function.
14462 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14463 (block_symbol, object_block): New structures.
14464 (rtx_def): Add a block_symbol field to the union.
14465 (BLOCK_SYMBOL_CHECK): New macro.
14466 (rtl_check_failed_block_symbol): Declare.
14467 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14468 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14469 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14470 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14471 * output.h (output_section_symbols): Declare.
14472 (object_block): Name structure.
14473 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14474 (default_use_anchors_for_symbol_p): Declare.
14475 * Makefile.in (RTL_BASE_H): Add vec.h.
14476 (explow.o): Depend on output.h.
14477 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14478 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14479 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14480 (rs6000_use_blocks_for_constant_p): New function.
14482 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14484 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14486 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14489 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14492 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14494 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14498 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14500 PR middle-end/26334
14501 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14502 instead of DECL_REGISTER.
14504 2006-02-18 Olivier Hainque <hainque@adacore.com>
14507 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14509 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14512 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14513 * opth-gen.awk: Handle Var and InverseMask together.
14514 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14515 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14516 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14517 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14519 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14520 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14521 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14522 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14523 LINUX_DYNAMIC_LINKER): Define.
14524 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14525 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14527 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14528 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14529 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14530 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14531 (TARGET_C99_FUNCTIONS): Don't define.
14532 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14533 GLIBC_DYNAMIC_LINKER.
14534 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14535 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14536 GLIBC_DYNAMIC_LINKER64): Define.
14537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14538 LINUX_DYNAMIC_LINKER64.
14539 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14540 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14541 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14542 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14543 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14544 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14545 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14546 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14547 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14548 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14549 and LINUX_DYNAMIC_LINKER32.
14550 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14551 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14552 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14553 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14554 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14556 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14557 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14558 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14559 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14560 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14561 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14562 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14563 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14564 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14565 LINUX_DYNAMIC_LINKER): Define.
14566 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14567 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14568 GLIBC_DYNAMIC_LINKER64): Define.
14569 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14570 LINUX_DYNAMIC_LINKER64.
14571 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14572 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14573 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14574 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14575 LINUX_DYNAMIC_LINKER): Define.
14576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14577 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14578 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14579 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14580 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14581 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14582 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14583 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14584 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14585 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14587 * doc/invoke.texi (-muclibc): Remove caveat about supported
14590 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14592 * doc/cpp.texi (__TIMESTAMP__): Document.
14594 2006-02-17 Roger Sayle <roger@eyesopen.com>
14596 PR middle-end/25600
14597 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14598 C is one less than the width of X (and related transformations).
14599 * simplify-rtx.c (simplify_unary_operation_1): Transform
14600 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14601 depending on STORE_FLAG_VALUE, were C is one less then the
14604 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14606 Fix PR tree-optimization/26341
14607 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14608 about NAME_MEMORY_TAG's.
14610 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14613 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14614 with hardware float support, and software float support. Add fcpy
14615 alternative to hardware patterns. Add alternatives to copy between
14616 general and floating-point registers to the 32-bit pattern.
14617 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14618 secondary reload to load a QI or HI mode constant into a floating
14620 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14621 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14623 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14626 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14628 (load_macho_picbase_di): Likewise.
14630 2006-02-16 Jeff Law <law@redhat.com>
14632 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14633 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14634 (ssa_name_nonzero_p): Likewise.
14635 (get_value_range): Return NULL if VRP is not running.
14636 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14637 VRP routines do not discover a range.
14638 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14639 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14640 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14641 (tree_expr_nonnegative_p): Similarly.
14642 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14643 (restore_nonzero_vars_to_original_value): Remove.
14644 (unsafe_associative_fp_binop): Remove.
14645 (tree_ssa_dominator_optimize): Remove initialization and
14646 finalization of nonzero_vars and nonzero_vars_stack.
14647 (dom_opt_initialize_block): No longer push marker on
14648 nonzero_vars_stack.
14649 (dom_opt_finalize_block): No longer call
14650 restore_nonzero_vars_to_original_value.
14651 (record_equivalences_from_phis): No longer look for
14652 nonzero PHI arguments.
14653 (cprop_into_successor_phis): No longer propagate nonzero
14654 property into PHI arguments. Lose unused argument. Caller
14656 (record_equivalences_from_stmt): No longer record nonzero
14657 values for SSA_NAMEs.
14658 (lookup_avail_expr): No longer use nonzero_vars.
14660 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14661 for sizetype when sizetype is unsigned.
14663 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14665 PR rtl-optimization/25603
14666 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14667 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14668 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14669 with new meaning of SETS.
14671 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14676 * config/linux.opt: New file.
14677 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14678 LINUX_DYNAMIC_LINKER): Define.
14679 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14680 * config.gcc (*-*-linux*): Define extra_options.
14681 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14682 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14683 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14684 GLIBC_DYNAMIC_LINKER.
14685 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14686 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14687 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14688 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14689 * doc/invoke.texi (GNU/Linux Options): New section.
14691 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14693 * config/sparc/sparc.md (setjmp): Rewrite.
14694 (setjmp_32): Delete.
14695 (setjmp_64): Likewise.
14697 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14699 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14702 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14704 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14707 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14709 PR rtl-optimization/26296
14710 * Makefile.in (loop-invariant.c): Add except.h dependency.
14711 * loop-invariant.c: Include except.h.
14712 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14714 2005-02-16 Paul Brook <paul@codesourcery.com>
14716 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14719 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14721 PR rtl-optimization/25636
14722 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14723 when deciding whether an insn is an initializing insn.
14725 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14727 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14728 (tree_code_size): Ditto.
14729 * tree.h (struct tree_memory_tag): Remove parent_var.
14730 (struct tree_struct_field_tag): New.
14733 (union tree_node): Add sft member.
14734 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14736 (create_sft): Add size and offset argument, set SFT_OFFSET and
14738 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14739 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14740 * tree-flow-inline.h (get_subvar_at): Update for
14741 SFT_OFFSET/SFT_SIZE.
14742 (var_can_have_subvars): Ditto.
14743 (overlap_subvar): Ditto.
14744 * print-tree.c (print_node): Print out interesting things for
14746 * tree-flow.h (struct subvar): Remove offset and size members.
14747 * tree-ssa-operands.c (get_expr_operands): Update for
14748 get_indirect_ref_operands changes.
14749 (get_indirect_ref_operands): Call add_virtual_operand instead of
14750 add_stmt_operand. Only recurse on base var if requested.
14751 (access_can_touch_variable): New function.
14752 (add_stmt_operand): Split virtual operand handling into ...
14753 (add_virtual_operand): Here. Add offset, size, and for_clobber
14754 arguments. Prune alias sets.
14755 (add_call_clobber_ops): Call add_virtual_operand.
14757 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14759 PR middle-end/26300
14760 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14762 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14763 than TREE_CODE as index into omp_clause_num_ops array.
14765 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14767 PR rtl-optimization/26184
14768 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14770 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14771 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14772 must_precede, must_follow and tobe_scheduled.
14775 * opts.c (common_handle_option): Free new_option pointer.
14776 * df-core.c (df_analyze): Free postorder pointer.
14778 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14780 * Makefile.in: Fix the examples about the use of stamps
14782 2006-02-15 Michael Matz <matz@suse.de>
14784 PR middle-end/22275
14786 * stor-layout.c (layout_decl): Zero-width bitfields aren't
14787 influenced by maximum_field_alignment or DECL_PACKED.
14788 (update_alignment_for_field): Ditto.
14789 (place_field): Ditto.
14790 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
14793 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
14795 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
14796 (debug_flow_info): Pass it.
14797 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
14798 * bb-reorder.c (reorder_basic_blocks): Likewise.
14799 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
14800 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
14801 * flow.c (life_analysis, recompute_reg_usage): Likewise.
14802 * gcse.c (gcse_main, bypass_jumps): Likewise.
14803 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
14804 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
14805 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
14806 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
14807 * rtl.h (dump_flow_info): Adjust prototype.
14808 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
14809 * var-tracking.c (variable_tracking_main): Likewise.
14810 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
14811 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
14814 2006-02-15 Marcin Dalecki <martin@dalecki.de>
14816 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
14819 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14821 PR tree-optimization/26209
14822 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
14823 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
14825 * tree-cfg.c (replace_uses_by): Do not alter cfg.
14827 2006-02-14 Roger Sayle <roger@eyesopen.com>
14829 PR middle-end/23670
14830 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
14831 (X,Y) and the corresponding symmetry related transformations.
14832 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
14833 (X,Y) and its symmetry related transformations.
14835 2006-02-14 Roger Sayle <roger@eyesopen.com>
14837 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
14840 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
14842 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
14844 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14847 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
14848 support COMDAT group.
14849 * configure: Regenerate.
14851 2006-02-14 Roger Sayle <roger@eyesopen.com>
14853 PR middle-end/26279
14854 PR middle-end/26280
14855 PR middle-end/26283
14856 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
14858 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
14860 Fix PR tree-optimization/26260
14862 * doc/invoke.texi (max-fields-for-field-sensitive): Document
14864 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
14865 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
14866 * tree-ssa-structalias.c (create_variable_info_for): Use
14867 MAX_FIELDS_FOR_FIELD_SENSITIVE.
14869 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14871 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
14873 * tree-ssa-loop-niter.c (number_of_iterations_ne,
14874 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
14875 of the ending condition.
14876 * tree-ssa-loop-manip.c: Include params.h.
14877 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
14878 tree_unroll_loop): New functions.
14879 * tree-pass.h (pass_loop_prefetch): Declare.
14880 * loop.c (rest_of_handle_loop_optimize): Test for
14881 -fprefetch-loop-arrays-rtl.
14882 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
14883 * timevar.def (TV_TREE_PREFETCH): New timevar.
14884 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
14885 pass_loop_prefetch): New.
14886 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
14887 (cleanup_tree_cfg_loop): Call scev_reset.
14888 * common.opt (fprefetch-loop-arrays-rtl): Add.
14889 * tree-ssa-loop-prefetch.c: New file.
14890 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
14891 (new_temp_expr_table): Initialize expr_vars.
14892 (free_temp_expr_table): Cleanup expr_vars.
14893 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
14894 expressions from being merged into one.
14895 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
14896 (struct tree_niter_desc): Add control, bound and cmp fields.
14897 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
14899 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
14900 (tree-cfgcleanup.o): Add SCEV_H dependency.
14901 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
14902 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
14904 2006-02-14 Richard Guenther <rguenther@suse.de>
14906 PR tree-optimization/26258
14907 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
14908 in PHI argument processing.
14910 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
14912 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
14913 new expression in the requested machine mode.
14915 2006-02-13 Roger Sayle <roger@eyesopen.com>
14917 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
14918 directly, instead let do_compare_rtx_and_jump handle this for us.
14919 * expr.c (expand_expr_real_1): Likewise.
14920 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
14921 before do_jump_by_parts_greater.
14922 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
14923 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
14925 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14927 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
14929 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14931 PR rtl-optimization/26235
14932 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
14933 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
14936 2006-02-13 Jeff Law <law@redhat.com>
14938 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
14941 2006-02-13 Jakub Jelinek <jakub@redhat.com>
14943 PR middle-end/26092
14944 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
14945 twice if decl is a builtin. When trying again, call get_callee_fndecl
14946 first to verify it is still a builtin.
14948 2006-02-13 Geoffrey Keating <geoffk@apple.com>
14950 * dwarf2out.c (base_type_die): Don't add AT_name here.
14951 (subrange_type_die): Don't add AT_name here.
14952 (modified_type_die): Rearrange code flow. Do add AT_name here.
14954 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
14956 PR rtl-optimization/26247
14957 PR rtl-optimization/26248
14958 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
14960 2006-02-13 Richard Sandiford <richard@codesourcery.com>
14962 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
14963 * config/fixtfdi.c: Likewise.
14964 * config/fixunstfdi.c: Likewise.
14965 * config/floatditf.c: Likewise.
14967 2006-02-13 Roger Sayle <roger@eyesopen.com>
14969 PR middle-end/24427
14970 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
14971 into (X,C2) if C1 is a subset of the bits of C2. Transform
14972 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
14974 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
14976 2006-02-13 Josh Conner <jconner@apple.com>
14979 * varasm.c (function_section): Check for section name before
14980 calling select_section on targets that define
14981 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
14982 unlikely_text_section instead of hot_function_section if
14983 first_function_block_is_cold.
14985 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
14987 PR middle-end/25335
14988 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
14990 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
14992 PR rtl-optimization/26222
14993 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
14994 after tree->rtl expansion.
14995 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
14996 before passing it to emit_move_insn.
14998 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15000 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15002 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15003 Clarify documentation.
15004 * c-common.h (warn_write_strings): Remove.
15005 * c-common.c (warn_write_strings): Likewise.
15006 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15009 2006-02-12 Roger Sayle <roger@eyesopen.com>
15011 PR middle-end/25724
15012 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15013 (do_jump_parts_zero_rtx): New function renamed from
15014 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15015 (do_jump_parts_equality_rtx): New function split out from
15016 do_jump_parts_equality. Old implementation renamed as above.
15017 Call do_jump_parts_zero_rtx if either operand is zero.
15018 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15019 do all of the heavy lifting.
15020 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15021 calling either do_jump_by_parts_greater_rtx or
15022 do_jump_by_parts_equality_rtx.
15023 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15024 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15025 moved to do_compare_rtx_and_jump, call it directly.
15026 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15027 mode argument. Call do_compare_rtx_and_jump.
15028 (emit_case_nodes): Update calls to do_jump_if_equal.
15030 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15032 PR rtl-optimization/26225
15033 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15035 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15037 PR rtl-optimization/26232
15038 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15040 2006-02-11 Jason Merrill <jason@redhat.com>
15043 * tree-inline.c (declare_return_variable): Just don't use the
15044 modify target if it's a gimple complex reg and the return slot
15047 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15049 * doc/contrib.texi: Update my entry.
15051 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15053 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15055 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15057 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15060 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15062 * doc/invoke.texi (-floop-optimize2): Removed.
15063 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15064 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15065 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15066 * common.opt (floop-optimize2): Removed.
15067 (fmove-loop-invariants): Enabled by default.
15069 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15071 * tree-if-conv.c (combine_blocks): Free the result of
15072 get_loop_exit_edges.
15074 2006-02-10 Jeff Law <law@redhat.com>
15076 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15078 PR tree-optimization/26213
15079 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15080 loop trying to follow SSA_NAME_VALUE chains.
15082 2006-02-10 Richard Guenther <rguenther@suse.de>
15084 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15085 deal with structures that end in implicitly variable sized arrays.
15087 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15089 PR rtl-optimization/24762
15090 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15093 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15095 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15096 (struct ivopts_data): Add regs_used field.
15097 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15098 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15099 instead of loop_data->regs_used;
15100 (free_loop_data): Do not free aux fields for loops.
15101 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15102 and tree_ssa_iv_optimize_finalize.
15104 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15106 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15108 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15111 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15112 computing the effective result type.
15114 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15116 PR inline-asm/16194
15117 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15118 (tree_overlaps_hard_reg_set): Declare.
15119 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15120 type and signature to match function type expected by walk_tree.
15121 (tree_overlaps_hard_reg_set): New function.
15122 (decl_conflicts_with_clobbers_p): Rename to:
15123 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15124 Use tree_overlaps_hard_reg_set. Changed caller.
15125 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15126 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15127 * cris.c (cris_md_asm_clobbers): Likewise.
15129 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15131 * reload1.c (emit_input_reload_insns): Delete code that tries to
15132 inherit using find_equiv_reg.
15134 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15136 * c-common.h (flag_const_strings): Don't declare.
15137 * c-common.c (flag_const_strings): Remove.
15138 * c.opt (fconst_strings): Remove.
15139 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15140 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15141 (c_common_init_options): Don't set flag_const_strings.
15142 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15144 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15146 * arm.md (tlobits_cbranch): New pattern.
15147 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15148 testing a single bit.
15150 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15153 * tree-ssa-pre.c (create_component_ref_by_pieces):
15154 Handle RETURN_DECL like VAR_DECL.
15156 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15158 PR middle-end/26134
15159 * fold-const.c (fold_indirect_ref_1): Fold
15160 "*(foo *)&complexfoo" to "__real__ complexfoo"
15161 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15163 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15165 * tree-flow-inline.h (var_can_have_subvars):
15166 Volatile variables should not have subvariables.
15168 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15171 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15172 multiplying unsigned values.
15175 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15177 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15179 2006-02-08 Jason Merrill <jason@redhat.com>
15182 * tree.def: Elaborate on difference from MODIFY_EXPR.
15183 * doc/c-tree.texi (INIT_EXPR): Likewise.
15184 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15185 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15186 (gimplify_target_expr): Likewise.
15187 (gimplify_cond_expr): Remove target handling.
15188 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15189 (gimplify_expr): Clobber it here.
15190 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15191 Do return slot optimization if we have an INIT_EXPR.
15194 * tree-inline.c (declare_return_variable): Also clear
15195 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15198 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15200 PR middle-end/22439
15201 * gimplify.c (gimplify_one_sizepos): Fix typo.
15203 2006-02-08 Jeff Law <law@redhat.com>
15205 PR tree-optimization/21417
15206 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15207 across a backedge if the control statement at the end of the
15208 block is data dependent on other statements in the same block.
15209 (record_temporary_equivalences_from_stmts): Remove over-conservative
15210 test for threading across backedges.
15212 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15213 control statement, handle all three special cases in the same
15214 manner as they all have the same desired solution. No longer
15215 special case edge flag updating when the post dominator is
15218 2006-02-08 Roger Sayle <roger@eyesopen.com>
15220 * tree.def (CHAR_TYPE): Remove.
15221 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15222 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15223 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15224 (gen_string_type_die): Delete unreachable function.
15226 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15227 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15228 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15229 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15230 * builtins.c (type_to_class): Likewise.
15231 * fold-const.c (fold_convert, build_range_check,
15232 merge_ranges): Likewise.
15233 * expr.c (count_type_elements): Likewise.
15234 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15235 * stor-layout.c (layout_type): Likewise.
15236 * ipa-type-escape.c (type_to_consider): Likewise.
15237 * gimplify.c (omp_firstprivatize_type_sizes,
15238 gimplify_type_sizes): Likewise.
15239 * explow.c (promote_mode): Likewise.
15240 * tree-sra.c (is_sra_scalar_type): Likewise.
15241 * varasm.c (output_constant): Likewise.
15242 * tree-inline.c (remap_type_1): Likewise.
15243 * convert.c (convert_to_pointer, convert_to_real,
15244 convert_to_integer, convert_to_complex): Likewise.
15246 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15248 * df-scan.c (df_def_record_1): A set destination may
15249 be a parallel regardless of mode.
15251 2006-02-08 Roger Sayle <roger@eyesopen.com>
15254 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15255 * config/mips/_tilib.c: Remove.
15256 * config/fixtfdi.c: New libgcc source file.
15257 * config/fixunstfdi.c: New source file.
15258 * config/floatditf.c: New source file.
15259 * config/floatunditf.c: New souce file.
15260 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15261 files above instead of config/mips/_tilib.c.
15262 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15264 2006-02-08 Jeff Law <law@redhat.com>
15266 PR tree-optimization/26169
15267 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15270 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15272 * df.h (DF_REG_SIZE): Return the length of the initialized
15275 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15277 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15278 __muldf3): Return a correctly signed zero.
15280 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15282 * passes.c (register_one_dump_file): Accept the current properties
15283 instead of pass number. Adjust call to dump_register. Remove
15285 (register_dump_files): Now a wrapper around...
15286 (register_dump_files_1): ... this one. Do not modify the pass
15288 (next_pass_1): Cosmetic fix.
15289 (execute_todo): Keep second parameter only. Use curr_properties
15290 instead of fetching it from the pass structure. Check and set
15292 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15293 instead of fetching it from the pass structure. Fix calls to
15294 execute_todo. Update curr_properties and initialize .vcg RTL dump
15295 after running the pass. Reset last_verified.
15296 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15298 (FIRST_AUTO_NUMBERED_DUMP): New.
15299 (dump_register): Remove "num" parameter, assign it within the
15301 (get_dump_file_name): Modify template for dumps.
15302 * tree-dump.h (dump_register): Adjust prototype.
15303 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15304 (PROP_trees): Add PROP_gimple_lomp.
15305 (TODO_set_props): New.
15306 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15307 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15308 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15310 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15312 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15313 (sparc64-*-linux*): Likewise.
15314 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15315 * config/sparc/t-linux: New file.
15316 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15317 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15318 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15319 -m32 -mlong-double-128.
15321 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15322 * config/alpha/t-linux: New file.
15323 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15325 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15326 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15327 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15328 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15329 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15330 (CPP_ARCH32_SPEC): Remove.
15332 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15334 PR tree-optimization/26145
15335 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15338 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15341 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15342 >= 240000 when generating code for SOM runtime.
15343 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15344 to $$dyncall when generating code for SOM runtime..
15346 2006-02-07 Dirk Mueller <dmueller@suse.com>
15349 * doc/invoke.texi (-Wsequence-point): Update documentation
15350 that -Wsequence-point is implemented for C++ as well.
15352 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15354 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15355 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15356 (LIB_SPEC): Likewise.
15357 * doc/invoke.texi (SPARC options): Document -pthread.
15359 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15361 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15364 2006-02-07 Roger Sayle <roger@eyesopen.com>
15366 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15367 Correct comment describing BOOLEAN_TYPE.
15369 2006-02-07 Dirk Mueller <dmueller@suse.com>
15371 * c.opt: C++ frontend supports -Wdiv-by-zero.
15372 * c-opts.c (c_common_handle_option): Remove dead case.
15374 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15376 * configure.ac (TLS assembler check): Do not enable TLS by
15377 default on SPARC/Solaris before version 10.
15378 * configure: Regenerate.
15380 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15382 * doc/invoke.texi (xl-compat): Document conversion and support
15385 2006-02-07 Jeff Law <law@redhat.com>
15387 * tree-vrp.c (find_conditional_asserts): Update comments.
15388 (simplify_stmt_for_jump_threading): New.
15389 (identify_jump_threads, finalize_jump_threads): New.
15390 (vrp_finalize): Call identify_jump_threads.
15391 (execute_vrp): Call finalize_jump_threads.
15392 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15393 (vrp_element, vrp_data, vrp_element_p): Remove.
15394 (vrp_hash_elt, vrp_variables_stack): Remove.
15395 (vrp_hash, vrp_eq, record_range): Remove.
15396 (simplify_cond_and_lookup_avail_expr): Remove.
15397 (extract_range_from_cond): Remove.
15398 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15399 (simplify_stmt_for_jump_threading): New.
15400 (dom_thread_across_edge): New wrapper.
15401 (tree_ssa_dominator_optimize): No longer initialize or
15402 finalize any of the VRP datastructures. Remove iteration
15403 step and simplify as a result of removal of iteration step.
15404 (pass_dominator): Perform a cfg cleanup after DOM.
15405 (dom_opt_finalize_block): Use the new common routines
15406 for threading jumps. Simplify stack management slightly.
15407 No longer need to unwind VRP state.
15408 (record_equivalences_from_incoming_edge): No longer record
15410 (eliminate_redundant_computations): No longer call
15411 simplify_cond_and_lookup_avail_expr.
15412 * tree-flow.h (potentially_threadable_block): Prototype.
15413 (thread_across_edge): Likewise.
15414 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15415 (tree-ssa-threadedge.o): Add dependencies.
15416 * tree-ssa-threadedge.c: New file.
15417 * passes.c (init_optimization_passes): Merge PHIs before
15418 calling VRP. Run VRP again late in the SSA optimization pipeline.
15420 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15422 * df-core.c (df_set_blocks): Do not dereference function pointers.
15423 (df_finish1): Likewise.
15424 (df_hybrid_search_forward): Likewise.
15425 (df_hybrid_search_backward): Likewise.
15426 (df_iterative_dataflow): Likewise.
15427 (df_analyze_problem): Likewise.
15428 (df_compact_blocks): Likewise.
15429 (df_dump): Likewise.
15430 * df-scan.c (df_rescan_blocks): Likewise.
15431 (df_record_entry_block_defs): Likewise.
15433 * genconditions.c (write_conditions): Guard the definition of
15434 'insn_conditions' with the check on GCC version.
15435 (write_writer): Guard the traversal 'insn_conditions' with
15436 the check on GCC version.
15438 2006-02-07 Richard Guenther <rguenther@suse.de>
15442 2006-01-30 Richard Guenther <rguenther@suse.de>
15444 * gimplify.c (gimplify_target_expr): Handle easy cases
15445 without creating a temporary.
15447 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15449 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15450 use of float in probability computations. Use edge probabilities
15451 in place of statically computed probabilities.
15452 (min_spec_prob): New static variable.
15453 (schedule_insns): Initialize it.
15454 (GET_SRC_PROB): Removed.
15455 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15457 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15460 * config/ia64/unwind-ia64.c: Revert last change.
15461 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15462 (INCOMING_FRAME_SP_OFFSET): Define.
15464 2006-02-06 Roger Sayle <roger@eyesopen.com>
15466 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15468 2006-02-07 Ben Elliston <bje@au.ibm.com>
15470 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15471 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15472 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15473 (ix86_return_in_memory): Handle TDmode.
15474 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15475 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15477 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15479 * reorg.c (dbr_schedule): Use dump_file instead of file.
15481 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15484 * config/ia64/predicates.md (extr_len_operand): New predicate.
15485 * config/ia64/ia64.md (extv): Tighten constraints.
15487 (*tbit_and_2): Ditto.
15488 (*tbit_and_3): Ditto.
15489 (*tbit_or_2): Ditto.
15490 (*tbit_or_3): Ditto.
15491 (*bit_zero): Ditto.
15494 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15497 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15499 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15501 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15502 loop_optimizer_init and loop_optimizer_finalize
15503 * tree-ssa-sink.c (execute_sink_code): Ditto.
15504 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15505 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15506 tree_ssa_loop_done): Ditto.
15507 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15508 * sched-ebb.c: Include output.h.
15509 (schedule_ebbs): Do not use dump argument.
15510 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15511 * loop.c (loop_dump_stream): Removed.
15512 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15514 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15515 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15516 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15517 loop_iterations, strength_reduce, record_biv, record_giv,
15518 final_giv_value, check_final_value, check_ext_dependent_givs,
15519 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15520 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15521 dump_file instead of loop_dump_stream.
15522 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15523 argument dump_file.
15524 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15526 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15527 * haifa-sched.c: Include output.h
15528 (schedule_insns, sched_init): Do not use dump argument.
15529 * mode-switching.c (optimize_mode_switching): Ditto.
15530 * modulo-sched.c (stats_file): Removed.
15531 (print_node_sched_params): Do not call argument dump_file.
15532 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15533 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15535 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15537 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15538 rtl_loop_init, rtl_loop_done): Ditto.
15539 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15540 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15542 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15543 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15544 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15545 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15546 * emit-rtl.c (renumber_insns): Ditto.
15547 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15548 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15549 * regclass.c (regclass): Ditto.
15550 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15551 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15552 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15553 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15555 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15556 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15558 * gcse.c (gcse_file, debug_stderr): Removed.
15559 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15560 rest_of_handle_gcse): Do not use dump argument.
15561 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15562 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15563 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15564 compute_code_hoist_vbeinout, compute_code_hoist_data,
15565 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15566 compute_store_table, build_store_vectors, insert_insn_start_bb,
15567 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15568 store_motion): Use dump_file instead of gcse_file.
15569 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15570 * profile.c (profile_dump_file): Removed.
15571 (branch_prob): Use dump_file instead of profile_dump_file.
15572 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15574 * tree-ssa-copy.c (dump_copy_of): Ditto.
15575 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15576 dump file to life_analysis.
15577 * bt-load.c (branch_target_load_optimize): Ditto.
15578 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15580 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15581 regclass, dbr_schedule): Declaration changed.
15582 * sched-int.h (sched_init): Declaration changed.
15583 * tree-profile.c (tree_profile_dump_file): Removed.
15584 (tree_profile_hooks): Removed profile_dump_file hook.
15585 * rtl-profile (rtl_profile_dump_file): Removed.
15586 (rtl_profile_hooks): emoved profile_dump_file hook.
15587 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15589 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15590 * tree-cfg.c (build_tree_cfg): Ditto.
15591 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15592 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15593 Declaration changed.
15594 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15595 life_analysis and schedule_insns.
15596 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15598 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15600 * config/mips/mips.c (mips_reorg): Ditto.
15601 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15604 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15606 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15607 (s390_mangle_fundamental_type): New.
15608 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15611 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15612 (alpha_mangle_fundamental_type): New.
15613 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15616 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15618 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15620 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15621 (sparc_mangle_fundamental_type): New.
15623 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15625 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15626 (s390x-*-linux*): Likewise.
15627 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15628 * config/s390/t-linux: New file.
15630 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15632 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15633 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15635 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15637 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15638 (ANTIC_SAFE_LOADS): New macro.
15639 (find_or_generate_expression): Add prototype.
15640 (set_contains_value): Allow null set for sake of not always having
15641 to allocate ANTIC_SAFE_LOADS.
15642 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15643 Allow COMPONENT_REF too.
15644 (valid_in_set): Allow COMPONENT_REF.
15645 Check ANTIC_SAFE_LOADS too.
15646 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15647 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15649 (can_PRE_operation): Add COMPONENT_REF.
15650 (create_component_ref_by_pieces): New function.
15651 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15652 (insert_aux): Move AGGREGATE_TYPE_P check here.
15653 (compute_avail): Set bb local stmt uids.
15654 (pass_pre): Use TODO_update_ssa_only_virtuals.
15656 2006-02-06 Ben Elliston <bje@au.ibm.com>
15658 * configure.ac: Unconditionally disable decimal float by default.
15659 * configure: Regenerate.
15661 2006-02-06 Ben Elliston <bje@au.ibm.com>
15663 * read-rtl.c (read_name): Terminate reading on EOF.
15665 2006-02-06 Ben Elliston <bje@au.ibm.com>
15667 * dfp.c (decimal_real_arithmetic): Change second argument type
15668 from int to enum tree_code. Do not always return true, but now
15669 return result of any call to decimal_do helper functions.
15670 * dfp.h (decimal_real_arithmetic): Update prototype.
15672 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15674 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15676 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15679 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15682 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15684 * tree-vrp.c (cfg_loops): Removed.
15685 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15686 Use current_loops instead of cfg_loops. Pass flags to
15687 loop_optimizer_init.
15688 * cfgloopmanip.c (fix_loop_structure): Update only available
15690 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15691 loop_optimizer_init.
15692 * modulo-sched.c (build_loops_structure): Removed.
15693 (sms_schedule): Use loop_optimizer_init.
15694 * loop-init.c (loop_optimizer_init): Use flags to determine
15695 which properties of loops to prepare.
15696 (rtl_loop_init): Pass flags to loop_optimizer_init.
15697 * tree-ssa-sink.c (execute_sink_code): Ditto.
15698 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15699 * tree-ssa-pre.c (init_pre): Ditto.
15700 * cfgloop.h (LOOPS_NORMAL): New.
15701 (loop_optimizer_init): Declaration changed.
15703 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15705 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15706 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15708 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15710 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15712 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15713 * pa/t-pa64: Delete quadlib.c rule.
15714 * pa/x-ada: Revert last change.
15715 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15717 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15719 PR rtl-optimization/26087
15720 * rtlanal.c (canonicalize_condition): Do not cross basic block
15723 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15726 * config/ia64/ia64.c: Include debug.h.
15727 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15728 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15729 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15730 (process_epilogue, process_set, process_for_unwind_directive):
15731 Output unwind info only if requested. Add CFA info if requested.
15732 Add new arguments as needed. Adjust callers.
15733 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15735 (DWARF2_FRAME_INFO): Define to zero.
15736 * config/ia64/unwind-ia64.c: Remove code that compensated for
15737 the CFA offset error fixed above.
15738 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15739 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15740 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15741 -funwind-tables and -fexceptions to enable frame info.
15742 (dwarf2out_frame_init): Define initial CFA even if
15743 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15744 DWARF2_UNWIND_INFO is nonzero, not just defined.
15745 (dwarf2out_frame_finish): Output non-EH call frame info only
15746 if DWARF2_FRAME_INFO is nonzero.
15747 (convert_cfa_to_loc_list,
15748 compute_frame_pointer_to_cfa_displacement): Define even if
15749 unwind info is not supported.
15750 (gen_subprogram_die): Use the above unconditionally. Remove
15751 legacy alternate code.
15752 * toplev.c (compile_file): Compile in call to
15753 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15754 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15756 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15757 Jakub Jelinek <jakub@redhat.com>
15759 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15760 IBM extended float format long double as "g" on powerpc*-linux.
15762 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15765 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15766 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15768 2006-02-03 Jason Merrill <jason@redhat.com>
15771 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15773 PR middle-end/25977
15774 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15775 on the return slot if it's an NRV.
15777 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15779 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15780 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15781 rewrite_use): Do not handle USE_OUTER.
15782 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15783 add_iv_outer_candidates, may_replace_final_value,
15784 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
15785 (find_interesting_uses_op): Functionality of
15786 find_interesting_uses_outer_or_nonlin moved here.
15787 (find_interesting_uses_outside): Use find_interesting_uses_op.
15789 2006-02-03 Alan Modra <amodra@bigpond.net.au>
15792 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
15794 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
15795 Ulrich Weigand <uweigand@de.ibm.com>
15798 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
15799 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
15800 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
15801 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
15803 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
15804 (s390_rtx_costs): Use the new fields to calculate rtx costs.
15805 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
15806 Define secondary reloads for TFmode moves.
15807 (constant_modes): Add TFmode.
15808 (NR_C_MODES): Set to 8.
15809 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
15811 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
15812 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
15813 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
15814 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
15815 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
15816 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
15817 (FPR mode macro): Add TFmode.
15818 (DSF mode macro): New.
15819 (<de>, <dee> mode attributes): Removed.
15820 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
15821 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
15822 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
15823 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
15824 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
15825 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
15826 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
15827 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
15828 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
15829 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
15830 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
15831 "*negabs<mode>2", "sqrt<mode>2"):
15832 Changed <de> to <xde>. R constraint replaced by <Rf>.
15833 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
15835 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
15836 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
15837 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
15839 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
15840 "extenddftf2", "extendsftf2"): New expanders.
15841 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
15842 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
15843 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
15844 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
15846 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
15847 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
15848 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
15849 __floatditf): Add a GCC_4.1.0 symbol version tag.
15850 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
15853 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
15856 * config/i386/i386.c (ix86_function_ok_for_sibcall):
15857 Use targetm.binds_local_p instead of TREE_PUBLIC.
15859 2006-02-02 Roger Sayle <roger@eyesopen.com>
15861 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
15862 on INTEGER_TYPEs to indicate that it denotes a character type.
15863 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
15864 signed_char_type_node, unsigned_char_type_node and char_type_node.
15865 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
15866 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
15867 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
15869 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
15870 Daniel Berlin <dberlin@dberlin.org>
15872 * tree-tailcall.c (arg_needs_copy_p): New function.
15873 (eliminate_tail_call): Use arg_needs_copy_p.
15874 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
15875 (add_virtual_phis): New function.
15877 2006-02-02 Jakub Jelinek <jakub@redhat.com>
15879 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
15880 #ignore instead of #scratch for %g7 .register directive.
15882 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
15884 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
15887 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15889 * flow.c (calculate_global_regs_live): Assert that there aren't any
15892 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
15894 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
15895 what its name says.
15896 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
15897 bsi_after_labels iterator.
15898 * tree-if-conv.c (find_phi_replacement_condition,
15899 replace_phi_with_cond_modify_expr): Likewise.
15900 * tree-scalar-evolution.c (scev_const_prop): Likewise.
15901 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
15903 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15905 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
15907 2006-02-02 Diego Novillo <dnovillo@redhat.com>
15910 * tree-cfg.c (move_block_to_fn): Clear out the basic block
15911 array after growing it.
15913 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15915 PR middle-end/24901
15916 * fold-const.c (fold_checksum_tree): Change type of buf.
15918 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
15920 * reload.c (push_secondary_reload): Initialize t_icode.
15922 2006-02-01 Jakub Jelinek <jakub@redhat.com>
15924 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
15925 -msoft-float -mlong-double-128 only issue a warning, but don't
15926 swich to DFmode long double.
15928 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
15930 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
15931 has a constant equivalent, iterate over equivalents for arg0,
15932 calling simplify_relational_operation and if there's a result
15933 cheaper than X, apply fold_rtx and return the result.
15935 2006-02-01 Jan Hubicka <jh@suse.cz>
15937 * opts.c (no_unit_at_a_time_default): New global variable.
15938 (decode_options): Use it.
15939 * opts.h (no_unit_at_a_time_default): Declare.
15941 2006-02-01 Paul Brook <paul@codesourcery.com>
15943 * function.c (assign_parm_setup_reg): Use function argument promotion
15945 * expr.c (expand_expr_real_1): Use function argument promotion rules
15948 2006-02-01 Steve Ellcey <sje@cup.hp.com>
15950 * gcc.c (process_command): Change j to 'unsigned int'.
15952 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15954 PR middle-end/26001
15955 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
15956 Use the corrected index for the character
15957 out of the string constant.
15959 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15961 * mode-switching.c (optimize_mode_switching): Fix size
15962 allocated for bb_info[n_entities].
15964 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
15966 * gcc.c (main): Correct type that is allocated for
15967 explicit_link_files.
15969 2006-01-31 Jakub Jelinek <jakub@redhat.com>
15971 * config/s390/s390.c (init_alignment_context): Set
15972 ALIAS_SET_MEMORY_BARRIER on the MEM.
15973 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
15975 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
15977 PR middle-end/25933
15978 * loop-unroll.c (unroll_loop_runtime_iterations): Free
15980 * tree-ssa-live.c (type_var_init): Allocate bitmap after
15983 2006-01-31 Marcin Dalecki <martin@dalecki.de>
15985 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
15986 * regrename.c: Ditto.
15987 * tree-ssa-loop-im.c: Ditto.
15988 * tree-dump.c: Ditto.
15989 * tree-complex.c: Ditto.
15990 * genrecog.c: Ditto.
15991 * tree-ssa-threadupdate.c: Ditto.
15993 * java/class.c: Ditto.
15994 * java/jcf-parse.c: Ditto.
15995 * java/resource.c: Ditto.
15996 * java/except.c: Ditto.
15997 * java/jvspec.c: Ditto.
15998 * java/jcf-write.c: Ditto.
15999 * java/jcf-path.c: Ditto.
16000 * java/gjavah.c: Ditto.
16001 * java/zextract.c: Ditto.
16002 * java/jcf-io.c: Ditto.
16003 * java/jcf.h: Ditto.
16004 * java/buffer.c: Ditto.
16005 * java/lang.c: Ditto.
16006 * java/parse-scan.y: Ditto.
16007 * java/lex.c: Ditto.
16008 * java/lex.h: Ditto.
16009 * cfgloopmanip.c: Ditto.
16010 * postreload-gcse.c: Ditto.
16011 * tree-ssa-loop-manip.c: Ditto.
16012 * postreload.c: Ditto.
16013 * tree-ssa-loop-ch.c: Ditto.
16016 * cppspec.c: Ditto.
16017 * diagnostic.c: Ditto.
16019 * genoutput.c: Ditto.
16021 * cfghooks.c: Ditto.
16022 * cfgloopanal.c: Ditto.
16023 * objc/objc-act.c: Ditto.
16025 * genextract.c: Ditto.
16026 * genautomata.c: Ditto.
16027 * pretty-print.c: Ditto.
16028 * genemit.c: Ditto.
16029 * cgraphunit.c: Ditto.
16031 * df-scan.c: Ditto.
16032 * haifa-sched.c: Ditto.
16033 * dominance.c: Ditto.
16035 * tree-ssa-loop-ivopts.c: Ditto.
16036 * df-core.c: Ditto.
16037 * mode-switching.c: Ditto.
16038 * modulo-sched.c: Ditto.
16040 * ipa-pure-const.c: Ditto.
16042 * fix-header.c: Ditto.
16044 * tree-stdarg.c: Ditto.
16045 * ipa-utils.c: Ditto.
16046 * loop-init.c: Ditto.
16047 * ipa-inline.c: Ditto.
16048 * cfganal.c: Ditto.
16050 * alloc-pool.c: Ditto.
16051 * dwarf2out.c: Ditto.
16053 * genattrtab.c: Ditto.
16054 * tree-ssa-loop-ivcanon.c: Ditto.
16055 * predict.c: Ditto.
16056 * timevar.c: Ditto.
16058 * fortran/gfortranspec.c: Ditto.
16059 * regmove.c: Ditto.
16060 * local-alloc.c: Ditto.
16061 * langhooks.c: Ditto.
16062 * function.c: Ditto.
16063 * tree-vectorizer.c: Ditto.
16065 * ipa-type-escape.c: Ditto.
16067 * tree-if-conv.c: Ditto.
16068 * profile.c: Ditto.
16070 * tree-data-ref.c: Ditto.
16071 * loop-unroll.c: Ditto.
16072 * treelang/treetree.c: Ditto.
16074 * bt-load.c: Ditto.
16075 * ggc-common.c: Ditto.
16077 * coverage.c: Ditto.
16079 * tree-cfgcleanup.c: Ditto.
16080 * tree-ssa-pre.c: Ditto.
16081 * cfgcleanup.c: Ditto.
16082 * loop-invariant.c: Ditto.
16083 * loop-iv.c: Ditto.
16084 * ipa-prop.c: Ditto.
16085 * print-tree.c: Ditto.
16086 * conflict.c: Ditto.
16087 * ggc-page.c: Ditto.
16088 * sched-deps.c: Ditto.
16089 * regclass.c: Ditto.
16090 * tree-object-size.c: Ditto.
16091 * combine.c: Ditto.
16092 * bb-reorder.c: Ditto.
16093 * resource.c: Ditto.
16094 * var-tracking.c: Ditto.
16095 * cfgloop.c: Ditto.
16096 * df-problems.c: Ditto.
16097 * reg-stack.c: Ditto.
16099 * gccspec.c: Ditto.
16100 * sched-rgn.c: Ditto.
16101 * tree-ssa-structalias.c: Ditto.
16102 * tree-ssa-reassoc.c: Ditto.
16103 * config/darwin-c.c: Ditto.
16104 * config/darwin.c: Ditto.
16105 * config/arm/arm.c: Ditto.
16107 * collect2.c: Ditto.
16108 * reload1.c: Ditto.
16110 2006-01-31 Nicolas Pitre <nico@cam.org>
16112 * arm.md (smaxsi3): Make aware of smax_m1.
16115 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16117 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16119 2006-01-31 Richard Guenther <rguenther@suse.de>
16121 * doc/invoke.texi (-msselibm): Document.
16122 * target.h (expand_library_builtin): New target hook.
16123 * builtins.c (expand_builtin): Use expand_library_builtin.
16124 (default_expand_library_builtin): New function.
16125 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16126 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16127 (link_gcc_math_spec): Declare.
16128 (static_specs): Add link_gcc_math_spec.
16129 * expr.h (default_expand_library_builtin): Declare.
16130 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16131 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16132 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16133 * config/i386/i386.opt (msselibm): New target option.
16134 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16135 (ix86_init_sse_abi_builtins): New function.
16136 (ix86_expand_library_builtin): Likewise.
16137 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16138 (override_options): Handle error conditions wrt -msselibm.
16139 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16140 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16141 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16144 2006-01-31 Richard Guenther <rguenther@suse.de>
16145 Paolo Bonzini <bonzini@gnu.org>
16147 * doc/install.texi (--disable-libgcc-math): Document.
16149 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16151 * expr.h (expand_normal): new inline function.
16152 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16153 * dojump.c: use it.
16154 * dwarf2out.c: use it.
16157 * expmed.c: use it.
16158 * except.c: use it.
16159 * config/sparc/sparc.c: use it.
16160 * config/i386/i386.c: use it.
16161 * config/rs6000/rs6000.c: use it.
16162 * config/arm/arm.c: use it.
16163 * config/mips/mips.c: use it.
16164 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16166 2006-01-30 Roger Sayle <roger@eyesopen.com>
16168 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16169 argv to the appropriate type.
16171 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16173 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16176 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16179 * config/s390/s390.c (struct machine_function): New flag
16180 decomposed_literal_pool_addresses_ok_p.
16181 (s390_reorg): Set it before final stage of literal pool transforms.
16182 (s390_decompose_address): Only accept displacements of the form
16183 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16185 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16187 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16188 the comparison routine return.
16190 2006-01-30 Michael Matz <matz@suse.de>
16192 * global.c (find_reg): Only evict for global regs.
16193 Take n_refs into account and dump more info.
16195 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16198 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16199 (pragma_trap, pragma_nosave_low_regs): Likewise.
16200 (current_function_anonymous_args): Likewise.
16201 (sh_deferred_function_attributes): New variable.
16202 (sh_deferred_function_attributes_tail): Likewise.
16203 (print_operand): For '@', look up trap_exit attribute.
16204 (calc_live_regs): Look up trapa_handler attribute. For trapa
16205 handlers, save/restore fpscr, but don't do any other
16206 interrupt-specific saves.
16207 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16208 Fix check for partially saved registers to check for SHmedia.
16209 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16210 (sh_output_function_epilogue): Don't clear any of the removed
16212 (sh_insert_attributes): Don't check pragma_interrupt.
16213 Insert deferred attributes. Check that interrupt attribute is
16214 present for other attributes that require its presence.
16215 (sh_attribute_table): Add new attributes trapa_handler and
16217 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16218 Don't check for pragma_interrupt. Don't store argument.
16219 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16220 (sh_deferred_function_attributes): Declare.
16221 (sh_deferred_function_attributes_tail): Likewise.
16222 * sh.md (sp_switch_1): Add operand. Change generator caller.
16223 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16224 (*return_i): Don't use when trap_exit attribute is in effect.
16225 (*return_trapa): New insn pattern.
16226 * sh-c.c: New file.
16227 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16228 setting c_target_objs and cxx_target_objs.
16229 * t-sh: Add rule for sh-c.o.
16231 2006-01-30 Richard Guenther <rguenther@suse.de>
16234 * gimplify.c (gimplify_target_expr): Handle easy cases
16235 without creating a temporary.
16237 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16239 * vec.h (safe_grow): Remove duplicated line.
16241 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16244 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16245 (expand_omp): ... here.
16246 (expand_omp_parallel): Only remove barriers for combined
16247 parallel+workshare constructs.
16249 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16253 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16254 * tree.c (build_qualified_type): Chain the new type to the original
16255 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16256 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16257 (build_pointer_type_for_mode): Only return unqualified types.
16258 (build_reference_type_for_mode): Likewise.
16260 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16262 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16263 * Makefile.in (CXX_COMPAT_WARN): Define.
16264 * configure: Regenerate.
16266 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16269 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16272 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16274 * toplev.c: Fix thinko.
16276 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16277 Marcin Dalecki <martin@dalecki.de>
16279 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16280 (push_srcloc): Use XNEW.
16281 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16283 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16285 * df-core.c (df_set_blocks): Deleted all variable.
16287 2006-01-28 Ian Lance Taylor <ian@airs.com>
16289 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16290 cgraph_output_pending_asms.
16292 2006-01-28 Zack Weinberg <zackw@panix.com>
16294 * c.opt: Add -W(no-)overlength-strings.
16295 * doc/invoke.texi: Document it.
16296 * c-opts.c (c_common_handle_option): -pedantic implies
16297 -Woverlength-strings, if not explicitly disabled already.
16298 (c_common_post_options): -Woverlength-strings defaults to off, and
16299 is always off for C++.
16300 * c-common.c (fix_string_type): Issue warning about strings longer
16301 than is portable only if warn_overlength_strings. Rearrange code
16302 a little for clarity.
16303 * configure.in: Check for -Wno-overlength-strings as well before
16304 enabling -pedantic in stage 1.
16305 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16306 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16308 * genconditions.c (write_header, write_one_condition)
16309 (write_conditions, write_writer): Consolidate very long strings
16310 that were broken up to fit in C89 portable limit. Don't use
16311 printf when fputs will do.
16313 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16315 * combine.c (simplify_comparison <AND>): Check
16316 TRULY_NOOP_TRUNCATION before start using a subreg.
16318 * config/mips/mips.md (*branch_zero<mode>,
16319 *branch_zero<mode>_inverted, *branch_equality<mode>,
16320 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16321 Remove mode check from comparisons.
16323 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16325 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16327 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16329 * expmed.c (const_mult_add_overflow_p): Remove.
16330 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16332 * recog.c (validate_replace_rtx_subexp): Remove.
16333 * recog.h: Remove the prototype for
16334 validate_replace_rtx_subexp.
16336 * integrate.h: Remove the prototype for
16337 copy_decl_for_inlining.
16338 * rtl.h: Remove the prototype for mark_constant_function.
16339 * tree-vectorizer.h: Remove the prototype for
16340 vect_strip_conversion.
16342 * modulo-sched.c (create_partial_schedule,
16343 free_partial_schedule, reset_partial_schedule): Make them
16346 * hooks.c (hook_bool_rtx_int_false): Remove.
16347 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16349 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16351 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16352 and -mlong-double-128 are incompatible.
16353 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16354 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16355 (TARGET_LIBGCC2_CFLAGS): Define.
16356 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16357 (TARGET_LIBGCC2_CFLAGS): Same.
16358 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16360 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16363 * c-typeck.c (build_binary_op): Perform implicit casts of
16364 operands before shortening them.
16366 * cfgloopmanip.c (split_loop_bb): Remove.
16367 * cfgloop.h: Remove the prototype for split_loop_bb.
16369 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16370 * cfgloop.h: Remove the prototype for
16371 flow_loop_outside_edge_p.
16373 * emit-rtl.c (init_virtual_regs): Make it static.
16374 * function.h: Remove the prototype for init_virtual_regs.
16376 * recog.c (peephole2_optimize): Make it static.
16377 * recog.h: Remove the prototype for peephole2_optimize.
16379 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16381 * df-scan.c (df_record_entry_block_defs): Check if
16382 INCOMING_RETURN_ADDR_RTX is defined.
16384 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16385 Kenneth Zadeck <zadeck@naturalbridge.com>
16387 PR rtl-optimization/24762
16388 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16389 * targhooks.c (hook_void_bitmap): New hook prototype.
16390 * targhoohs.h (hook_void_bitmap): Ditto.
16391 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16392 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16393 * target.h (live_on_entry): New function pointer.
16394 * df-scan.c (df_all_hard_regs): Removed.
16395 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16396 (df_scan_free_internal): Added df->entry_block_defs.
16397 (df_scan_alloc): Ditto.
16398 (df_scan_dump): Ditto.
16399 (df_uses_record): Plumbed flag field properly thru calls.
16400 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16401 This part fixes PR24762.
16402 (df_bb_refs_record): Added code to make the frame and arg
16403 pointers live in EH blocks.
16404 (df_refs_record): Added call to df_record_entry_block_defs.
16405 (df_record_entry_block_defs): New function.
16406 * df-core.c: Added comments to describe new artifical defs.
16407 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16408 (entry_block_defs): New field in struct df.
16409 (df_all_hard_regs): Deleted.
16410 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16411 * df-problems.c (df_ru_bb_local_compute_process_def):
16412 Added code to handle artifical defs in the entry to a function.
16413 (df_ru_bb_local_compute): Ditto.
16414 (df_rd_bb_local_compute_process_def): Ditto.
16415 (df_rd_bb_local_compute): Ditto.
16416 (df_lr_bb_local_compute): Ditto.
16417 (df_ur_bb_local_compute): Ditto.
16418 (df_urec_bb_local_compute): Ditto.
16419 (df_chain_create_bb): Ditto.
16420 (df_ur_local_finalize): Removed entry.
16421 (df_urec_init): Ditto.
16422 (df_urec_local_finalize): Ditto.
16423 (df_ri_bb_compute): Added detection of last use of pseudos.
16424 * Makefile.in (df-scan.o): Updated dependencies.
16425 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16426 * config/mips/mips.c (mips_set_live_on_entry): Added.
16427 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16429 * dce.c (marked_insn_p): Added code to handle artifical defs.
16431 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16433 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16435 (_mm_cvtsi128_si64): Likewise.
16436 (_mm_cvtsd_si64): Likewise.
16437 (_mm_cvttsd_si64): Likewise.
16438 (_mm_cvtsi64_sd): Likewise.
16439 (_mm_cvtsi64_si128): Likewise.
16440 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16441 (_mm_cvtsi64_m64): Likewise.
16442 (_m_to_int64): Likewise.
16443 (_mm_cvtm64_si64): Likewise.
16444 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16445 (_mm_cvttss_si64): Likewise.
16446 (_mm_cvtsi64_ss): Likewise.
16447 (_mm_cvtss_f32): Likewise.
16449 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16451 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16452 for pragma redefine_extname.
16454 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16457 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16458 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16459 -mno-minimal-toc to previous content.
16460 (bispecs): Remove goal.
16461 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16462 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16463 compatibility aliases on powerpc-*-*gnu*.
16464 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16465 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16466 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16467 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16468 (ldblspecs): New goal.
16469 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16470 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16472 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16473 L_sf_to_tf or L_df_to_tf is defined.
16475 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16476 Alan Modra <amodra@bigpond.net.au>
16479 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16480 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16481 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16482 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16483 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16484 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16485 (rs6000_override_options): Initialize rs6000_ieeequad.
16486 Initialize TFmode format to ibm_extended_format if not
16488 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16490 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16491 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16492 (function_arg_advance): IBM long double passed in two FPRs, not
16494 (function_arg): IBM long double passed in FPRs.
16495 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16496 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16497 Only multireg GPR aligned.
16498 (rs6000_init_libfuncs): Enable IBM long double functions if not
16500 (rs6000_generate_compare): Use IBM long double compare if not
16502 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16503 (TARGET_IEEEQUAD): Define.
16504 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16505 not TARGET_IEEEQUAD.
16506 * config/rs6000/rs6000.md: Enable TFmode patterns if
16508 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16509 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16510 and -mlong-double-128 are incompatible.
16511 * doc/invoke.texi (-mabi): Collect options together. Add
16512 ibmlongdouble and ieeelongdouble.
16514 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16516 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16518 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16519 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16520 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16521 * rtl.h (rtunion_def): Remove rt_ptr.
16523 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16524 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16525 * config/i386/winnt.c (i386_pe_mark_dllexport)
16526 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16528 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16530 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16532 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16536 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16537 pthread_key_delete. From John David Anglin. gthrw-ify
16538 pthread_getunique_np only if it it's not a macro. Delete
16540 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16541 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16542 __gthread_objc_condition_signal, __gthread_key_delete): Add
16543 "__attribute__ ((__unused__))" to unused arguments.
16544 (__gthread_recursive_mutex_init_function): Add missing return.
16545 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16546 gthr-posix95.h: Use macro-based approach for name redirection
16547 on targets missing weakref.
16549 2006-01-26 Zack Weinberg <zackw@panix.com>
16551 * genconditions.c (write_header): In generated code, #ifdef out
16552 all includes and fake declarations, except includes of bconfig.h
16553 and system.h, unless GCC_VERSION >= 3001. Do not include
16554 gensupport.h in any case.
16555 (write_conditions): Generate a definition of struct c_test. Add
16556 a comment to the generated #endif.
16557 (write_one_condition): Escape backslashes in string too.
16558 (write_writer): Generated code must escape backslashes and quote
16559 marks (but not newlines) in the strings it writes.
16560 * Makefile.in (build/gencondmd.o): Update dependencies.
16562 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16565 * Makefile.in (insn-automata.o): Add header file dependencies.
16566 * genautomata.c: Add includes.
16568 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16571 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16573 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16575 * configure.ac: Expect target tools paths to be passed from the toplevel
16576 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16578 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16580 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16583 * c.opt (Wpointer-sign): Init to -1.
16584 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16585 OPT_pedantic, to 0 otherwise.
16586 * doc/invoke.texi: Update.
16588 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16590 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16591 constants provided by 80387 instructions in the destination mode.
16593 2006-01-26 Richard Guenther <rguenther@suse.de>
16594 Andrew Pinski <pinskia@physics.uc.edu>
16597 partial PR tree-opt/17064
16598 * tree-ssa-structalias.c (intra_create_variable_infos):
16599 Create heap variables for incoming parameters if
16600 flag_argument_noalias > 1.
16601 (find_what_p_points_to): Look through default defs of
16604 2006-01-26 Jeff Law <law@redhat.com>
16607 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16608 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16609 within the VR_RANGE, use the VR_RANGE as the result, not the
16611 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16612 bounds for the type.
16614 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16616 * tree-ssa-alias.c (maybe_create_global_var): Change
16617 subvar walking to an assertion that we don't have subvar'd variables.
16619 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16622 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16623 Use a new variable, inner. PARM_DECLs are always non-weak.
16625 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16627 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16628 --disable-checking.
16630 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16632 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16634 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16636 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16637 (smax_insn, smin_insn, smax_0, smin_0): New.
16639 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16642 * config/cris/cris.c (cris_order_for_addsi3): New function.
16643 * config/cris/cris-protos.h: Prototype it.
16644 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16645 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16646 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16647 (split for "op.S1 [rx=rx+i],ry (swapped)")
16648 (split for "op(s|u).S1 [rx=rx+i],ry")
16649 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16650 Apply cris_order_for_addsi3 when generating addsi3 insns.
16652 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16654 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16655 (TREE_BLOCK): Add call to EXPR_CHECK.
16657 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16660 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16661 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16662 (dump_omp_clauses): ... here.
16663 (dump_generic_node): Handle OMP_CLAUSE.
16664 * tree.c (omp_clause_num_ops): New.
16665 (omp_clause_code_name): New.
16666 (tree_code_size): Handle OMP_CLAUSE.
16667 (tree_size): Likewise.
16668 (make_node): Document handling of OMP_CLAUSE.
16669 (tree_node_structure): Handle OMP_CLAUSE.
16670 (omp_clause_check_failed): New.
16671 (omp_clause_range_check_failed): New.
16672 (omp_clause_operand_check_failed): New.
16673 (build_omp_clause): New.
16674 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16675 * tree.h (enum omp_clause_code): Declare.
16676 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16677 (OMP_CLAUSE_RANGE_CHECK): Define.
16678 (OMP_CLAUSE_ELT_CHECK): Define.
16679 (omp_clause_check_failed): Declare.
16680 (omp_clause_operand_check_failed): Declare.
16681 (omp_clause_range_check_failed): Declare.
16682 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16683 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16684 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16685 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16686 (OMP_CLAUSE_IF_EXPR): Likewise.
16687 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16688 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16689 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16690 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16691 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16692 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16693 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16694 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16695 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16696 (OMP_CLAUSE_CODE): Define.
16697 (OMP_CLAUSE_SET_CODE): Define.
16698 (OMP_CLAUSE_CODE): Define.
16699 (OMP_CLAUSE_OPERAND): Define.
16700 (struct tree_omp_clause): Declare.
16701 (union tree_node): Add field 'omp_clause'.
16702 * treestruct.def (TS_OMP_CLAUSE): Define.
16703 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16704 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16705 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16706 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16707 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16708 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16709 (OMP_CLAUSE): Define.
16710 * print-tree.c (print_node): Handle OMP_CLAUSE.
16711 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16712 * c-typeck.c: Likewise.
16713 * gimplify.c: Likewise.
16714 * c-omp.c: Likewise.
16715 * tree-nested.c: Likewise.
16716 * tree-inline.c: Likewise.
16717 * c-parser.c: Likewise.
16718 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16721 2006-01-25 Roger Sayle <roger@eyesopen.com>
16723 PR rtl-optimization/25703
16724 * combine.c (try_combine): Handle zero_extract and strict_low_part
16725 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16727 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16729 * global.c: Fix comment typos.
16731 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16734 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16735 Use output_addr_const instead of assemble_name.
16737 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16739 * Makefile.in (sched-vis.o): Update dependencies.
16740 * haifa-sched.c (sched_finish): Clear current_sched_info.
16741 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16742 (dump_flow_info): Call it.
16743 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16745 * basic-block.h (dump_bb_info): Declare.
16746 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16747 option, and apply options only for dump files whose TDF_RTL,
16748 TDF_TREE, or TDF_IPA bits match.
16749 * rtl.h: Declare new functions exported from sched-vis.c.
16750 * sched-vis.c: Enable also if scheduling is not used.
16751 (print_value): Print the mode of registers if not inside scheduling.
16752 (print_insn): Make it work outside the scheduler. Beautify the output
16754 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16756 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16758 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16759 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16760 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16761 depending on the value of CONSTANT_POOL_ADDRESS_P.
16762 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16764 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16765 rather than SYMBOL_REF_DECL.
16766 (rtx_constant_pool): Remove const_rtx_sym_htab.
16767 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16768 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16769 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16770 Remove handling of const_rtx_sym_htab.
16771 (find_pool_constant): Delete.
16772 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16773 rather than find_pool_constant.
16774 (get_pool_constant_for_function): Delete.
16775 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16776 find_pool_constant.
16777 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16778 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16779 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16780 (SYMBOL_REF_CONSTANT): New macro.
16781 (get_pool_constant_for_function): Delete.
16782 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16783 rather than SYMBOL_REF_DECL.
16784 (i386_pe_mark_dllimport): Likewise.
16785 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
16786 rather than SYMBOL_REF_DECL.
16787 * config/darwin.c (machopic_indirect_data_reference): Likewise.
16788 (machopic_indirect_call_target): Likewise.
16790 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
16792 * flow.c (delete_noop_moves): Add missing EOL to dump message.
16794 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16796 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
16798 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
16800 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
16802 2006-01-24 David Daney <ddaney@avtrex.com>
16805 * configure.ac (enable_tls): New enable option.
16806 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
16807 * configure: Regenerate.
16808 * doc/install.texi (--enable-tls): Document new option.
16809 (--disable-tls): Ditto.
16811 2006-01-24 Richard Henderson <rth@redehat.com>
16813 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
16814 * alias.c (true_dependence): Respect it.
16815 (canon_true_dependence, write_dependence_p): Likewise.
16816 * builtins.c (get_builtin_sync_mem): Set it.
16818 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
16820 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
16823 2006-01-24 DJ Delorie <dj@redhat.com>
16825 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
16826 for storing constants in single-bit bitfields.
16828 2006-01-25 Ben Elliston <bje@au.ibm.com>
16830 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
16832 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
16835 * tree-ssa-pre.c (phi_translate): Return NULL
16836 for AGGREGATE_TYPE's.
16838 2006-01-24 Zack Weinberg <zackw@panix.com>
16840 * genautomata.c (process_state_for_insn_equiv_partition):
16841 Use xcalloc for insn_arcs_array.
16842 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
16843 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
16845 2006-01-24 Richard Henderson <rth@redhat.com>
16847 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
16848 update all callers.
16850 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
16852 PR rtl-optimization/25890
16853 PR rtl-optimization/25905
16854 * combine.c (expand_compound_operation, expand_field_assignment):
16855 Fail if the bitfield's final position is out of bounds.
16857 2006-01-24 Ian Lance Taylor <ian@airs.com>
16859 PR middle-end/25930
16860 * cgraphunit.c (cgraph_output_in_order): Don't clear
16861 cgraph_asm_nodes until after asm strings have been output.
16863 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
16865 * fix-header.c (read_scan_file): Add new parameter imultilib when
16866 calling register_include_chains.
16868 2006-01-23 Diego Novillo <dnovillo@redhat.com>
16870 * omp-low.c: Update documentation.
16872 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
16873 Daniel Berlin <dberlin@dberlin.org>
16877 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
16878 return from the function.
16880 2006-01-22 Zack Weinberg <zackw@panix.com>
16882 * rtl.def (match_code): Add second argument.
16883 * genpreds.c (write_extract_subexp): New function.
16884 (write_match_code): Add path argument. Use write_extract_subexp.
16885 (write_predicate_expr): Pass path to write_match_code.
16886 (mark_mode_tests): MATCH_CODE applied to a subexpression does
16887 not perform a mode test.
16888 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
16889 a subexpression does not constrain the top-level code set.
16890 * read-rtl.c (read_rtx_variadic): New function.
16891 (read_rtx_1): Use it; allow AND and IOR to be variadic.
16892 * doc/md.texi: Document new notation.
16893 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
16894 (cmpsi_operand): ... here, using new notation.
16896 2006-01-22 Zack Weinberg <zackw@panix.com>
16898 * varray.c: Remove GENERATOR_FILE #ifdefs.
16900 2006-01-22 Zack Weinberg <zackw@panix.com>
16902 * genautomata.c (output_reserved_units_table): Emit nothing if
16903 description->query_units_num is zero. Remove extra blank line.
16904 (output_cpu_unit_reservation_p): Short circuit
16905 if description->query_units_num is zero.
16907 2006-01-22 Zack Weinberg <zackw@panix.com>
16909 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
16910 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
16911 nor any of the random handful of variables that used to be necessary
16912 when this program was linked with rtlanal.o. Prune set of forward
16913 function declarations.
16914 (struct attr_desc): Remove static_p field.
16915 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
16916 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
16917 (attr_string): Do not read the character one past the length of
16919 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
16920 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
16921 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
16922 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
16923 (make_automaton_attrs): New.
16924 (main): Do not call into genautomata. Call local gen_bypass
16925 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
16926 Remove special case for insn_alts.
16927 * genautomata.c: Include gensupport.h; not genattrtab.h nor
16928 varray.h (leftover from previous change). Prune set of forward
16929 function declarations. Remove state_alts fields from all
16930 structures. Remove state_alts_table from struct automaton.
16931 Make everything except main static. Do not maintain num_dfa_decls.
16932 Do not maintain state_alts fields of various structures.
16933 (process_decls): Don't validate condexp for dm_insn_reserv decls.
16934 (add_arc): Remove state_alts argument. All callers updated.
16935 (output_reserved_units_table): Emit #ifdef here...
16936 (output_tables): ...not here. Don't generate state_alts tables.
16937 (expand_automata): Don't generate attributes.
16938 (write_automata): Don't generate state_alts functions.
16939 (main): New function.
16940 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
16941 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
16942 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
16943 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
16944 (BYPASS_P_FUNC_NAME, output_state_alts_table)
16945 (output_automata_list_state_alts_code, output_internal_state_alts_func)
16946 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
16947 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
16949 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
16950 * genattrtab.h: Delete file.
16951 * Makefile.in (OBJS-common): Add insn-automata.o.
16952 (insn-automata.o): New rule.
16953 (simple_generated_c): Add insn-automata.c.
16954 (build/genattrtab.o, build/genautomata.o): Update dependencies.
16955 (genprogmd): Add automata.
16956 (build/genattrtab): Needs no extra objects nor libraries.
16957 (build/genautomata): Needs build/vec.o and -lm.
16959 2006-01-22 Zack Weinberg <zackw@panix.com>
16961 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
16962 (output_dfa_max_issue_rate, locked_states_num): Delete.
16963 (struct automaton): Add locked_states field.
16964 (output_dead_lock_vect): Save number of locked states in
16965 automaton->locked_states. If it is zero, don't print anything.
16966 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
16967 (output_internal_dead_lock_func): Only test the dead_lock_vect
16968 for automata that have locked states.
16969 (output_statistics): Always print the number of locked states for
16970 each automaton. Calculate total number of locked states here.
16971 (write_automata): Don't call output_dfa_max_issue_rate.
16972 * genattrtab.c: Define length_unit_log as a const variable.
16973 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
16974 max_insn_queue_index const.
16975 * final.c (length_unit_log): Declare const.
16976 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
16978 2006-01-22 Zack Weinberg <zackw@panix.com>
16980 * genautomata.c: Include vec.h, not varray.h.
16981 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
16982 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
16983 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
16984 VEC_* macros operating on appropriately typed vectors, or to
16985 malloced arrays when the size is known in advance. Const-ify
16986 many char* variables and function arguments. No functional changes.
16987 * Makefile.in (build/varray.o): Delete rule.
16988 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
16989 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
16991 2006-01-22 Zack Weinberg <zackw@panix.com>
16993 * gensupport.c: Define get_insn_name and record_insn_name here.
16994 (read_md_rtx): Call record_insn_name as appropriate.
16995 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
16996 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
16997 * genpreds.c, genrecog.c: Don't define get_insn_name nor
16999 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17000 (BUILD_VARRAY): Delete.
17001 (genprognormal): Rename genprogmd. Fold in all programs from
17002 genprognoprint; also attrtab.
17003 (build/genattrtab): Just mention genautomata.o and varray.o.
17004 Reorganize a bit, add comments to make the categories clearer.
17006 2006-01-22 Zack Weinberg <zackw@panix.com>
17008 * genconditions.c (condition_table, add_condition): Delete.
17009 (write_conditions): Don't emit n_insn_conditions nor
17010 insn_elision_unavailable. Issue the gcc version #ifdef here,
17011 inside the table, with no #else clause ...
17012 (write_header): ...not here.
17013 (write_writer): New function.
17014 (main): Don't initialize condition_table. Use add_c_test.
17016 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17017 files on the command line.
17018 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17019 Return -1 if there is no entry in the table, don't abort.
17020 (add_c_test, traverse_c_tests): New functions.
17021 * gensupport.h (insn_elision_unavailable, insn_conditions)
17022 (n_insn_conditions): Delete declarations.
17023 (add_c_test, traverse_c_tests): Declare.
17024 * read-rtl.c: Include gensupport.h.
17025 (read_conditions): New function.
17026 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17027 (read_rtx_1): If we get EOF when we were looking for an initial
17028 open paren, return 0. Call read_conditions when appropriate.
17029 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17030 dummy-conditions.o. Eliminate references to insn-conditions.o,
17031 or change them to build/gencondmd.o, as appropriate. Remove
17032 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17033 from $(simple_generated_c). For all files remaining in those
17034 two lists, add insn-conditions.md to the generator command line.
17035 Give insn-constants.h/s-constants their own rules. Add rules
17036 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17037 (build/read-rtl.o): Depend on gensupport.h.
17038 (genprognormal): Include preds.
17039 (genprogearly): Rename genprognoprint; only difference is now that
17040 they don't link with $(BUILD_PRINT).
17041 * dummy-conditions.c: Delete.
17043 2006-01-22 Zack Weinberg <zackw@panix.com>
17045 * genextract.c: Don't include insn-config.h. Do include vec.h.
17046 Declare vectors of int, char, and locstr.
17047 (locstr): New typedef.
17048 (struct extraction): Make all array fields into bare pointers.
17049 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17050 (insn_code_number): Delete.
17051 (accum_extract): New struct.
17052 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17053 (gen_insn): Take insn_code_number as an argument. Use an
17054 accum_extract structure instead of loading data directly into
17055 a struct extraction, and having to know how big it might get.
17056 (walk_rtx): Operate entirely on an accum_extract structure.
17057 (print_path): Avoid unnecessary use of printf.
17058 (print_header): New function, split out of main. Distinguish
17059 more carefully between an unrecognizable insn and an insn that
17060 has the code number of a define_expand.
17061 (main): Pass insn_code_number to gen_insn. Call print_header
17062 only after parsing. Avoid unnecessary use of printf.
17063 * Makefile.in (build/vec.o): New rule.
17064 (build/genextract): Depend on build/vec.o.
17065 (build/genextract.o): Don't depend on insn-config.h.
17067 2006-01-22 Zack Weinberg <zackw@panix.com>
17069 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17070 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17071 practical. Eliminate per-generator-program link rules.
17073 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17075 PR middle-end/24437
17076 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17077 with a call expr to ...
17078 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17080 2006-01-23 Richard Guenther <rguenther@suse.de>
17082 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17083 before make_edge with conditional EDGE_TRUE_VALUE.
17085 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17086 Jan Hubicka <jh@suse.cz>
17087 Richard Guenther <rguenther@suse.de>
17089 PR rtl-optimization/25654
17090 * cfgexpand.c (aggregate_contains_union_type): New function.
17091 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17092 for structure variables that contain a union type.
17094 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17096 * gengtype.c (new_structure): Return the structure.
17097 (create_option): Add an extra "next" argument.
17098 (create_field): New function.
17099 (adjust_field_rtx_def): Use create_option and create_field.
17100 Remove a now-unnecessary call to find_structure.
17101 (adjust_field_tree_def): Likewise.
17102 (note_yacc_type): Remove an unnecessary call to find_structure.
17103 * gengtype.h (new_structure): Return the structure.
17104 (create_option): Add an extra argument.
17105 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17106 (option): Adjust calls to create_option.
17108 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17110 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17112 2006-01-22 Paul Brook <paul@codesourcery.com>
17113 Peter Barada <peter@the-baradas.com>
17115 * config/m68k/m68k.md: Add Coldfire FPU support.
17116 Define FP mode macro and associated attributes.
17117 Use it for float mode patterns.
17118 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17119 (LIBCALL_VALUE): Use m68k_libcall_value.
17120 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17121 (m68k_function_value): Ditto.
17122 (emit_move_sequence): Ditto.
17123 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17124 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17125 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17126 (MULTILIB_EXCEPTIONS): Ditto.
17127 * config/m68k/m68k.opt: Add mcfv4e.
17128 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17129 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17130 (m68k_output_function_prologue): Save ColdFire FPU registers.
17131 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17132 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17133 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17134 ColdFire FPU registers.
17135 (m68k_libcall_value, m68k_function_value): New functions.
17136 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17137 (LIBCALL_VALUE): Use m68k_libcall_value.
17138 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17139 (MASK_COLDFIRE): Add MASK_CFV4E.
17140 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17141 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17142 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17143 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17144 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17145 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17146 * doc/invoke.tex: Document -mcfv4e on m68k.
17148 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17150 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17153 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17156 * c-opts.c (c_common_handle_option): Don't include
17157 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17158 * doc/invoke.texi (C++ Dialect Options): Document that
17159 -Wnon-virtual-dtor is no longer included in -Wall.
17161 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17163 * gcov.c (print_version), gcov-dump.c (print_version),
17164 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17167 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17169 * df-scan.c (problem_SCAN): Added NULL reset function.
17170 (df_scan_reset_blocks): Added code to call reset block function
17171 (df_bb_refs_delete) Fixed comment.
17172 (df_insn_refs_delete): Made tolerant of deleting non existent info
17173 for dataflow problems that need to be reset.
17174 * df-core.c (df_set_blocks): Ditto.
17175 * df.h (struct df_problem): Added reset_fun.
17176 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17177 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17178 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17179 functions to clear out all references to def-use or use-def chains.
17181 2006-01-21 Ben Elliston <bje@au.ibm.com>
17183 * varasm.c (assemble_real): Initialise data array.
17185 2006-01-20 Paul Brook <paul@codesourcery.com>
17187 Merge from csl-arm-branch.
17188 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17189 * config/arm/arm.md (movdi): Force operands[1] to a register
17190 if we have a non-register source.
17191 (*arm_movdi, *movdf_soft_insn): Require that one of the
17192 operands be a register.
17193 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17194 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17196 2006-01-20 DJ Delorie <dj@redhat.com>
17198 * varasm.c (initializer_constant_valid_p): Allow pointers
17199 initialized from integer constants of lesser precision.
17200 (output_constant): Allow non-int-sized pointer modes to be
17201 initialized from integer constants.
17203 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17206 * cppdefault.h (struct default_include): Add multilib flag.
17207 * cppdefault.c (cpp_include_defaults): Set it.
17208 * c.opt (-imultilib): New option.
17209 * c-opts.c (imultilib): New.
17210 (c_common_handle_option): Handle -imultilib.
17211 (c_common_post_options): Likewise.
17212 * c-incpath.c (add_standard_paths, register_include_chains):
17214 * c-incpath.h (register_include_chains): Add extra parameter.
17215 * gcc.c (do_spec_1): Generate -imultilib option.
17216 (The Specs Language): Update %I description.
17217 (process_command): Update copyright notice.
17218 * doc/cppopts.texi (-imultilib): Document.
17219 * doc/invoke.texi (-imultilib): Include in option summary.
17220 (%I): Update specs documentation.
17222 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17224 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17226 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17228 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17231 2006-01-20 Richard Guenther <rguenther@suse.de>
17232 Steven Bosscher <stevenb.gcc@gmail.com>
17234 PR rtl-optimization/24626
17235 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17236 EDGE_TRUE_VALUE if in RTL mode.
17239 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17240 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17242 2006-01-20 Dirk Mueller <dmueller@suse.com>
17245 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17246 instead of a special NOP marker.
17247 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17248 NOP marker handling.
17249 * c-common.h (empty_body_warning): Add forward declaration.
17250 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17251 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17253 2006-01-20 Paul Brook <paul@codesourcery.com>
17255 * Makefile.in (lang_checks): Keep going if mkdir fails.
17257 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17259 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17260 be able to clean out basic block when not necessary.
17261 (df_scan_free): Fixed to properly delete information if df is
17262 unused before calling df_finish.
17263 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17264 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17266 (df_bb_refs_delete): New function.
17267 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17268 * df-core.c (df_set_blocks): Added code to properly clean out
17269 unused blocks if they are not part of the blocks to consider.
17270 Added additional null check.
17271 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17272 be able to clean out basic block when not necessary
17273 * df.h (df_free_bb_function): Ditto.
17274 (df_bb_refs_delete): New function.
17275 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17276 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17277 basic block parameter to be able to clean out basic block when not
17279 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17280 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17281 Fixed to properly delete information if df is unused before
17284 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17286 PR rtl-optimization/25799
17287 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17288 Corrected confluence operator to remove bits from op2 before oring
17289 with op1 rather than removing bits from op1.
17290 (df_ru_transfer_function): Corrected test on wrong bitmap which
17291 caused infinite loop. Both of these problems were introduced in
17292 the dataflow rewrite.
17294 2006-01-19 DJ Delorie <dj@redhat.com>
17296 * reload1.c (find_reload_regs): Note the details of reload
17297 failures in the dump file.
17298 (spill_failure): Likewise.
17300 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17302 * loop-iv.c: Include df.h and hashtab.h.
17303 (enum iv_grd_result): New enum.
17304 (DF_REF_IV, DF_REF_IV_SET): New macros.
17305 (struct biv_entry): New.
17306 (df, bivs): New global variables.
17307 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17308 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17310 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17311 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17312 analyzed_for_bivness_p, record_biv): New functions.
17313 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17314 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17315 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17317 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17319 (iv_number_of_iterations): Use new interface to iv analysis.
17320 * loop-unroll.c: Do not include varray.h.
17321 (analyze_iv_to_split_insn): Use new interface to iv
17323 * loop-unswitch.c (may_unswitch_on): Ditto.
17324 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17326 (df_bb_modify): Realloc tables to the new index.
17327 (df_find_use): New function.
17328 * df.h (df_find_use): Declare.
17329 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17331 * cfgloop.h (struct rtx_iv): Remove analysed field.
17332 (iv_get_reaching_def): Removed.
17333 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17334 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17335 (loop-iv.o): Add df.h and hashtab.h dependency.
17336 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17338 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17341 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17343 (__floatundisf, __floatundidf): Likewise.
17344 * libgcc2.h (IS_IBM_EXTENDED): Define.
17346 2006-01-19 DJ Delorie <dj@redhat.com>
17348 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17350 2006-01-19 Paul Brook <paul@codesourcery.com>
17352 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17353 as nothrow when unwinding tables are disabled.
17355 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17358 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17359 of bit-field" when in system header.
17361 2006-01-19 DJ Delorie <dj@redhat.com>
17363 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17364 the 16 bit shift limit of the m16c.
17366 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17369 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17370 * config/i386/i386.c (output_set_got): Output the label if we have one
17371 for the TARGET_DEEP_BRANCH_PREDICTION case.
17373 2006-01-19 Jan Hubicka <jh@suse.cz>
17374 H.J. Lu <hongjiu.lu@intel.com>
17375 Evandro Menezes <evandro.menezes@amd.com>
17377 * invoke.texi (generic): Document
17379 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17380 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17381 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17382 (x86_use_incdec, x86_pad_returns): New variables
17383 (TARGET_CPU_DEFAULT_generic): New constant
17384 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17385 (enum processor_type): Add generic32 and generic64.
17386 * i386.md (cpu attribute): Add generic32/generic64
17387 (movhi splitter): Behave sanely when both partial_reg_dependency and
17388 partial_reg_stall are set.
17389 (K8 splitters): Enable for generic as well.
17390 * predicates.md (incdec_operand): Use TARGET_INCDEC
17391 (aligned_operand): Avoid memory mismatch stalls.
17392 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17393 * ppro.md: Enable for generic32
17394 * i386.c (generic64_cost, generic32_cost): New.
17395 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17396 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17397 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17398 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17399 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17400 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17401 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17402 x86_accumulate_outgoing_args, x86_prologue_using_move,
17403 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17404 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17405 Enable for generic.
17406 (x86_use_incdec, x86_pad_returns): New.
17407 (override_options): Add generic32 and generic64, translate "generic"
17408 to generic32/generic64 and "i686" to "generic32", refuse
17409 "generic32"/"generic64" as arch target.
17410 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17411 (ix86_reorg): Honor PAD_RETURNS.
17413 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17415 * tree-pretty-print.c (dump_generic_node): Handle
17416 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17417 * cgraph.c (cgraph_expand_queue): Rename from
17418 cgraph_analyze_queue. Update all users.
17419 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17420 cgraph_expand_queue.
17421 (cgraph_expand_all_functions): Likewise.
17422 (cgraph_finalize_pending_functions): Remove. Update callers.
17424 * tree.h (OMP_DIRECTIVE_P): Define.
17425 (OMP_PARALLEL_FN): Define.
17426 (OMP_PARALLEL_DATA_ARG): Define.
17427 (OMP_SECTIONS_SECTIONS): Define.
17428 * tree-pass.h (pass_expand_omp): Declare.
17429 * omp-low.c (struct omp_region): Declare.
17430 (struct omp_context): Remove fields 'parallel_type',
17431 'parallel_start_ix' and 'parallel_start_additional_args'.
17433 (struct omp_for_data): Rename from struct expand_omp_for_data.
17434 (omp_regions): New static variable.
17435 (root_omp_region): New static variable.
17436 (find_omp_clause): Make static.
17437 (is_in_combined_parallel_ctx): Remove.
17438 (is_combined_parallel): New.
17439 (extract_omp_for_data): Move earlier in the file.
17440 (workshare_safe_to_combine_p): New.
17441 (get_ws_args_for): New.
17442 (determine_parallel_type): Move earlier in the file.
17443 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17445 (omp_copy_decl): Likewise.
17446 (create_omp_child_function): Likewise.
17447 (lookup_omp_region): New.
17448 (dump_omp_region): New.
17449 (debug_omp_region): New.
17450 (debug_all_omp_regions): New.
17451 (new_omp_region): New.
17452 (scan_omp_parallel): If parallel_nesting_level > 1, the
17453 directive is nested within another parallel directive.
17454 Set OMP_PARALLEL_FN.
17455 (scan_omp_for): Do not try to handle combined parallel+for
17457 Remove FIXME comment.
17458 (scan_omp_nested): Remove.
17459 (scan_omp_1): Do not call scan_omp_nested when
17460 parallel_nesting_level is > 1.
17461 Do not change the DECL_CONTEXT of local variables found.
17462 (lookup_decl_in_outer_ctx): New.
17463 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17464 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17465 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17466 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17467 If CTX is nested, lookup VAR in the outer context when
17468 building copy assignment.
17469 (lower_send_clauses): Rename from expand_send_clauses.
17470 If CTX is nested, lookup VAR in the outer context when
17471 building copy assignments.
17472 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17473 If CTX is nested, lookup VAR in the outer context when
17474 building copy assignments.
17475 (expand_parallel_call): Rename from build_parallel_call.
17476 Handle combined parallel+workshare cases.
17477 Re-implement to emit code into the CFG.
17479 (expand_omp_parallel): Re-implement to emit code into the CFG.
17480 Call move_sese_region_to_fn to outline the sub-graph
17481 containing the parallel region.
17482 (expand_omp_for_1): Remove.
17483 (expand_omp_for_generic): Re-implement to emit code into the
17485 (expand_omp_for_static_nochunk): Likewise.
17486 (expand_omp_for_static_chunk): Likewise.
17487 (expand_omp_for): Likewise.
17488 (expand_omp_sections): Likewise.
17489 (remove_exit_barriers): New.
17490 (expand_omp_synch): New.
17492 (build_omp_regions_1): New.
17493 (build_omp_regions): New.
17494 (execute_expand_omp): New.
17495 (gate_expand_omp): New.
17496 (pass_expand_omp): Define.
17497 (lower_omp_sections): Rename from expand_omp_sections.
17498 Set OMP_SECTIONS_SECTIONS.
17499 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17500 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17501 (lower_omp_single): Rename from expand_omp_simple.
17502 (lower_omp_master): Rename from expand_omp_master.
17503 (lower_omp_ordered): Rename from expand_omp_ordered.
17504 (lower_omp_critical): Rename from expand_omp_critical.
17505 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17506 (lower_omp_for): Re-implement.
17507 (lower_omp_parallel): Re-implement.
17508 (lower_regimplify): Rename from expand_regimplify.
17509 (lower_omp_1): Rename from expand_omp_1.
17510 If there are syntax errors in the program, replace every
17511 OpenMP directive with NOP.
17512 Call lower_omp_* instead of expand_omp_*.
17513 (lower_omp): Rename from expand_omp.
17515 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17516 * tree-gimple.h (enum omp_parallel_type): Remove.
17517 (gimple_boolify): Declare extern.
17518 (find_omp_clause, determine_parallel_type): Remove.
17520 * gimple-low.c (lower_omp_directive): New.
17521 (lower_stmt): Call it.
17522 (record_vars_into): Move from ...
17523 (record_vars): ... here.
17524 Call record_vars_into with current_function_decl.
17526 * gimplify.c (struct gimplify_ctx): Remove fields
17527 combined_pre_p and combined_ctxp. Update users.
17528 (get_formal_tmp_var): Add documentation.
17529 (gimple_boolify): Make extern.
17530 (gimplify_expr_in_ctx): Remove. Update callers.
17531 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17532 will always be a BIND_EXPR.
17533 (gimplify_expr): Handle OMP_RETURN_EXPR.
17534 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17535 (OMP_PARALLEL): Add 3 operands.
17536 (OMP_SECTIONS): Add 1 operand.
17537 (OMP_RETURN_EXPR): Define.
17539 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17540 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17541 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17542 creating a circular free list.
17543 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17545 * tree-flow.h (move_sese_region_to_fn): Declare.
17546 (record_vars_into): Declare.
17547 * tree-cfg.c (make_omp_sections_edges): New.
17548 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17549 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17550 OMP_SECTIONS and OMP_SECTION.
17551 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17552 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17553 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17554 (gather_blocks_in_sese_region): New.
17555 (struct move_stmt_d): Declare.
17556 (move_stmt_r): New.
17557 (move_block_to_fn): New.
17558 (move_sese_region_to_fn): New.
17560 * passes.c (init_optimization_passes): Schedule
17561 pass_expand_omp after pass_init_datastructures.
17563 * tree-ssa-operands.c (get_expr_operands): Handle
17564 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17565 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17567 2006-01-19 Jeff Law <law@redhat.com>
17569 * tree-vrp.c (extract_range_from_assert): Refine the result range
17570 if the variable referenced by the ASSERT_EXPR has a range and
17571 either the tentative result range or the previous range is a
17574 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17576 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17578 2006-01-19 Jan Hubicka <jh@suse.cz>
17580 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17582 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17584 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17585 (expand_compound_operation, expand_field_assignment): Fail if the
17586 bit lengths of an extract operation are out of range.
17587 (make_extraction): Compute wanted_inner_mode based on the position
17588 and length of the extraction. Make it extraction_mode for non-constant
17589 positions, and do not modify offset in that case. When generating a
17590 new MEM, use a mode that can hold the extraction while keeping correct
17591 alignment. Remove code that supported MEMs wrapped by USEs.
17592 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17594 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17596 * config/s390/s390.md ("Y", "y"): New mode attribute.
17597 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17598 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17599 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17600 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17601 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17602 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17603 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17604 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17605 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17606 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17607 "addsi3", "subsi3"): Insn patterns removed.
17608 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17609 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17610 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17611 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17612 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17613 "*sub<mode>3_cconly2"): New insn patterns.
17614 ("addsi3", "subsi3"): New expanders.
17616 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17618 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17619 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17620 existing STMT_VINFO_VECTYPE if available.
17621 (vect_mark_relevant): Add special handling for stmts that are
17622 marked as STMT_VINFO_IN_PATTERN_P.
17623 (vect_analyze_loop): Call vect_pattern_recog.
17624 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17625 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17627 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17628 (vect_recog_func_ptr): New function-pointer type.
17629 * tree-vect-patterns.c: New file.
17630 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17631 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17632 (vect_pattern_recog_1): New functions.
17633 (vect_pattern_recog_funcs): New array of function pointers.
17635 * tree-vectorizer.h (ternary_op): New enum value.
17636 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17637 declaration. Revised documentation. Removed redundant dump prints.
17638 Removed redundant argument. Added support for reduction patterns.
17639 (vectorizable_reduction): Added support for reduction patterns.
17640 (vect_transform_stmt): Added support for patterns.
17642 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17643 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17644 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17645 (expand_widen_pattern_expr): New function.
17646 (init_optabs): Initialize new optabs udot_prod_optab,
17648 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17649 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17650 (expand_widen_pattern_expr): New function declaration.
17651 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17653 * tree-inline.c (estimate_num_insns_1): Added cases for new
17654 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17655 * tree-pretty-print.c (dump_generic_node): Likewise.
17656 (op_prio): Likewise.
17657 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17658 * tree-ssa-operands.c (get_expr_operands): Added case for
17660 * tree-vect-patterns.c (widened_name_p): New function.
17661 (vect_recog_dot_prod_pattern): Added function implementation.
17662 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17663 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17664 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17665 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17667 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17668 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17669 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17670 (init_optabs): Initialize new optabs widen_ssum_optab,
17672 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17673 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17674 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17675 use instead of type of def.
17676 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17677 function implementation.
17678 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17679 widen_ssumv8hi): New.
17681 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17684 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17687 * c-decl.c (add_flexible_array_elts_to_size): New function.
17688 (finish_decl): Use it.
17690 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17692 * diagnostic.h: Include options.h.
17693 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17694 dependancies for diagnostic.h.
17695 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17697 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17699 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17700 (ssa_ro_call_cache_valid): Ditto.
17701 * tree-ssa-alias.c (sort_tags_by_id): New function.
17702 (init_transitive_clobber_worklist): Ditto.
17703 (add_to_worklist): Ditto.
17704 (mark_aliases_call_clobbered): Ditto.
17705 (compute_tag_properties): Ditto.
17706 (set_initial_properties): Ditto.
17707 (compute_call_clobbered): Ditto.
17708 (compute_may_aliases): Call compute_call_clobbered and grouping.
17709 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17710 (compute_flow_insensitive_aliasing): Grouping now happens in our
17712 (setup_pointers_and_addressables): Remove clobbering related code.
17713 (add_may_alias): Ditto.
17714 (replace_may_alias): Ditto.
17715 (get_nmt_for): Ditto.
17716 (create_global_var):
17717 (is_escape_site): Return an escape_type enumeration.
17718 * tree-flow-inline.h (is_call_clobbered): Global var does not
17719 imply call clobbered.
17720 (mark_call_clobbered): Take a reason for marking this. Remove
17721 marking of globalness, and cache invalidation.
17722 (clear_call_clobbered): Remove cache invalidation code.
17723 * tree-dfa.c (dump_variable): If details is on, dump the reason
17725 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17727 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17728 (struct var_ann_d): Ditto.
17729 (enum escape_type): New.
17730 (mark_call_clobbered): Adjust prototype.
17731 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17732 are never call clobbered.
17733 Record reasons for escaping.
17734 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17735 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17736 (ssa_ro_call_cache_valid): Ditto.
17737 (clobbered_v_may_defs): Ditto.
17738 (clobbered_vuses): Ditto.
17739 (ro_call_vuses): Ditto.
17740 (clobber_stats): New.
17741 (init_ssa_operands): Zero out clobber stats.
17742 (fini_ssa_operands): Print out clobber stats.
17743 (get_call_expr_operands): Pass callee fndecl to
17744 add_call_read_ops).
17745 (add_call_clobber_ops): Remove use of cache.
17746 Add use of PURE_CONST information.
17747 (add_call_read_ops): Remove use of cache.
17748 Add use of static not_read information.
17750 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17752 Introduce TLS descriptors for i386 and x86_64.
17753 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17754 (TARGET_ANY_GNU_TLS): New macro.
17755 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17756 (struct machine_function): Add tls_descriptor_call_expanded_p.
17757 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17758 (ix86_current_function_calls_tls_descriptor): Likewise.
17759 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17760 (override_options): Introduce gnu2 tls dialect.
17761 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17763 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17765 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17766 (ix86_init_machine_status): Initialize new field.
17767 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17768 (ix86_tls_module_base): New.
17769 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17770 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17771 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17772 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17773 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17774 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17775 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17776 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17777 * config/i386/predicates.md (tls_modbase_operand): New.
17778 (tp_or_register_operand): New.
17780 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17782 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17783 (look_for_address_of): Ditto.
17784 (ipa_init): Walk the function decls.
17785 (static_execute): Don't set readonly on FUNCTION_DECL's.
17787 2006-01-18 Roger Sayle <roger@eyesopen.com>
17789 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
17790 for shifts where the source and destination registers are different.
17792 2006-01-18 Paul Brook <paul@codesourcery.com>
17794 Merge from csl-arm-branch.
17795 2005-03-14 Julian Brown <julian@codesourcery.com>
17796 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
17797 (aeabi_llsl): Likewise.
17798 (ashrdi3): Likewise.
17799 (aeabi_lasr): Likewise.
17800 (lshrdi3): Likewise.
17801 (aeabi_llsr): Likewise.
17802 2005-03-10 Julian Brown <julian@codesourcery.com>
17803 * config.gcc: Disable shared libgcc for SymbianOS.
17804 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
17806 2006-01-18 DJ Delorie <dj@redhat.com>
17808 * c-pragma.c (handle_pragma_diagnostic): New.
17809 (init_pragma): Register it.
17810 * doc/extend.texi: Document it.
17812 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
17813 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
17814 (diagnostic_context): Add classify_diagnostic[].
17815 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
17816 as errors if they're overridden to DK_WARNING.
17817 (diagnostic_initialize): Initialize classify_diagnostic[].
17818 (diagnostic_set_kind_override): New.
17819 (diagnostic_report_diagnostic): Check for kind changes.
17820 * opts.c (common_handle_option): Take lang_mask. Update callers.
17821 Handle OPT_Werror_.
17822 * common.opt (Werror=): New.
17823 * doc/invoke.texi: Document -Werror=*
17825 2006-01-18 Jeff Law <law@redhat.com>
17827 * tree-vrp.c (test_for_singularity): Correct test for new
17828 min limit. Use operand_equal_p rather than pointer equality
17829 for testing if new min/max values are equal.
17831 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
17832 using range information until after propagation and folding.
17834 2006-01-18 Richard Henderson <rth@redhat.com>
17835 Aldy Hernandez <aldyh@redhat.com>
17836 Jakub Jelinek <jakub@redhat.com>
17837 Diego Novillo <dnovillo@redhat.com>
17839 * omp-low.c: New file.
17840 * c-omp.c: New file.
17842 2006-01-18 Richard Henderson <rth@redhat.com>
17843 Jakub Jelinek <jakub@redhat.com>
17844 Diego Novillo <dnovillo@redhat.com>
17846 * doc/invoke.texi: Document -fopenmp.
17847 * tree-dump.h (debug_function): Declare.
17848 * hooks.c (hook_bool_tree_bool_false): New function.
17849 (hook_tree_tree_null): Remove.
17850 (hook_tree_tree_tree_null): New.
17851 * hooks.h: Update to match.
17852 * tree-pretty-print.c (debug_tree_chain): New.
17853 (print_generic_expr): Handle TDF_CHAIN.
17854 (dump_generic_node): Handle BLOCK.
17855 Do not abort with incomplete SWITCH_EXPRs.
17856 Do not dump body of an OpenMP directive if TDF_SLIM is given.
17857 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
17858 print space after directive name.
17859 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
17860 Handle OMP_MASTER and OMP_ORDERED.
17861 Handle printing of OMP_BODY just in one place, goto
17862 dump_omp_body in the rest of OMP_* nodes that have
17864 Don't handle clause nodes here. Update omp statements to
17865 use dump_omp_clauses.
17866 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
17867 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
17868 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
17869 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
17870 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
17871 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
17872 Adjust output for GOMP_PARALLEL.
17873 (dump_omp_clauses): New.
17874 (print_declaration): Dump DECL_VALUE_EXPR.
17875 (op_symbol_1): Split out of op_symbol.
17876 (dumping_stmts): Remove. Update all users.
17877 * cgraph.c (cgraph_analyze_queue): New.
17878 (cgraph_add_new_function): New.
17879 * cgraph.h (cgraph_analyze_queue): Declare.
17880 (cgraph_add_new_function): Declare.
17881 (cgraph_lower_function): Remove.
17882 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
17883 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
17884 and TYPE_P nodes in its default clause.
17885 (empty_body_p): New.
17886 (tree_range_check_failed): New.
17887 (build5_stat): New.
17888 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
17889 OMP_CLAUSE_REDUCTION_MERGE,
17890 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
17891 OMP_CLAUSE_PRIVATE_DEBUG,
17892 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
17893 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
17894 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
17895 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
17896 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
17897 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
17898 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
17899 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
17900 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
17901 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
17902 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
17903 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
17904 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
17905 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
17906 (TREE_RANGE_CHECK): New.
17907 (empty_body_p): Declare.
17908 (enum omp_clause_default_kind): New.
17909 (build_string_literal): Declare.
17910 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
17911 (build5_stat, build5): Declare.
17912 * tree-pass.h (TDF_CHAIN): Define.
17913 * tree-pass.h (PROP_gimple_lomp): Define.
17914 (pass_lower_omp): Declare.
17915 * diagnostic.h (debug_tree_chain): Declare.
17916 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
17918 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
17919 * builtins.c (build_string_literal): Make extern.
17920 * gcc.c (include_spec_function): New.
17921 (static_spec_functions): Add it.
17922 (main): Move load of libgomp.spec ...
17923 (LINK_COMMAND_SPEC): ... here.
17924 (link_gomp_spec): New.
17925 (static_specs): Include it.
17926 (LINK_COMMAND_SPEC): Add link_gomp.
17927 (GOMP_SELF_SPECS): New.
17928 (driver_self_specs): Include it.
17929 (switch_matches): Don't mark inline.
17930 (main): Load libgomp.spec.
17931 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
17932 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
17933 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
17934 * tree-gimple.h (enum omp_parallel): Declare.
17935 (determine_parallel_type): Declare.
17936 (omp_firstprivatize_variable): Declare.
17937 (omp_reduction_init): Declare.
17938 (diagnose_omp_structured_block_errors): Declare.
17939 (struct walk_stmt_info): Add want_return_expr.
17940 (struct walk_stmt_info): Add want_bind_expr, want_locations.
17941 (find_omp_clause): Declare.
17942 (insert_field_into_struct): Declare.
17943 (struct walk_stmt_info): Move from tree-nested.c
17944 (walk_stmts): Declare.
17945 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
17947 * cgraphunit.c (cgraph_lower_function): Make static.
17948 (cgraph_finalize_pending_functions): New.
17949 (cgraph_finalize_function): Call it.
17950 (cgraph_finalize_compilation_unit): Likewise.
17951 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
17952 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
17953 (BT_FN_UINT_UINT): New.
17954 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
17955 DEF_FUNCTION_TYPE_VAR_4): Document.
17956 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
17957 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
17958 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
17959 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
17960 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
17961 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
17962 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
17963 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
17964 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
17965 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
17966 into separate files.
17967 (DEF_GOMP_BUILTIN): New.
17968 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
17969 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
17970 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
17971 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
17972 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
17973 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
17974 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
17975 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
17976 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
17977 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
17978 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
17979 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
17980 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
17981 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
17982 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
17983 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
17984 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
17985 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
17986 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
17987 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
17988 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
17989 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
17990 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
17991 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
17992 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
17993 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
17994 * sync-builtins.def: New file, moved from builtins.def.
17995 * omp-builtins.def: New file, moved from builtins.def.
17996 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
17997 * gimple-low.c (lower_function_body): Clear data.
17998 (lower_stmt): Do not handle COMPOUND_EXPR.
17999 Remove call to print_node_brief.
18000 * c-tree.h (c_finish_omp_clauses): New prototype.
18001 (C_DECL_THREADPRIVATE_P): Define.
18002 (lookup_name_no_remap, c_omp_remap_private): Remove
18003 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18004 (check_for_loop_decls): Update decl.
18005 (lookup_name_no_remap, c_omp_remap_private): Declare.
18006 (build_indirect_ref, build_modify_expr, pushdecl,
18007 pushdecl_top_level): Move to c-common.h.
18008 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18009 before the switch, but just in the 2 places that need it.
18010 * c-decl.c (diagnose_mismatched_decls): Do not check for
18011 mismatched thread-local attributes when OLDDECL is marked
18012 threadprivate and NEWDECL has no thread-local attributes.
18013 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18014 (c_gimple_diagnostics_recursively): Rename from
18015 c_warn_unused_result_recursively. Invoke
18016 diagnose_omp_structured_block_errors.
18017 (check_for_loop_decls): Return a singular decl found.
18018 * langhooks.c (lhd_omp_predetermined_sharing): Return
18019 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18020 (lhd_omp_firstprivatize_type_sizes): New.
18021 (lhd_omp_assignment): New.
18022 (lhd_omp_predetermined_sharing): New.
18023 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18024 (struct lang_hooks_for_types): Add
18025 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18026 omp_predetermined_sharing, omp_disregard_value_expr,
18027 omp_private_debug_clause, omp_clause_default_ctor,
18028 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18029 (c_finish_omp_clauses): New.
18030 (c_finish_bc_stmt): Diagnose break within omp for.
18031 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18032 (build_unary_op): Return error_mark after reporting
18034 (build_modify_expr): Likewise.
18035 * gimplify.c: Include optabs.h and pointer-set.h.
18036 (enum gimplify_omp_var_data): Declare.
18037 (struct gimplify_omp_ctx): Declare.
18038 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18040 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18041 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18042 (splay_tree_compare_decl_uid): New.
18043 (new_omp_context): New.
18044 (delete_omp_context): New.
18045 (gimple_add_tmp_var): Call omp_add_variable.
18046 (gimplify_bind_expr): Likewise.
18047 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18048 true, disregard DECL_VALUE_EXPR on the decl if any.
18049 (gimplify_expr_in_ctx): New.
18050 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18051 omp_add_variable, omp_notice_variable, omp_is_private
18052 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18053 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18054 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18055 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18056 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18057 gimplify_omp_atomic): New.
18058 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18059 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18060 OMP_CRITICAL and OMP_ATOMIC.
18061 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18062 * c-pragma.h (enum pragma_kind): Add
18063 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18064 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18065 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18066 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18067 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18068 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18069 PRAGMA_OMP_THREADPRIVATE.
18070 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18071 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18072 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18073 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18074 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18075 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18076 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18077 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18078 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18079 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18080 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18081 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18082 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18084 (struct nesting_info): Add field_map,
18085 suppress_expansion, debug_var_chain.
18086 (create_nesting_tree): Initialize them.
18087 (lookup_field_for_decl): Use field_map.
18088 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18089 (convert_local_omp_clauses): New.
18090 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18091 (walk_body): Split out of walk_function.
18092 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18093 (convert_nonlocal_reference): Handle omp statements.
18094 (convert_local_reference): Likewise.
18095 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18096 (unnest_nesting_tree): New.
18097 (lower_nested_functions): Call it.
18098 (insert_field_into_struct): Make extern.
18099 (struct walk_stmt_info): Move to tree-gimple.h.
18100 (walk_stmts): Make extern.
18101 * omp-builtins.def: New file.
18102 * tree-iterator.c (expr_only): Clarify comment.
18103 * c-common.h (pushdecl_top_level, pushdecl,
18104 build_modify_expr, build_indirect_ref,
18105 c_finish_omp_master, c_finish_omp_critical,
18106 c_finish_omp_ordered, c_finish_omp_barrier,
18107 c_finish_omp_atomic, c_finish_omp_flush,
18108 c_finish_omp_for, c_split_parallel_clauses,
18109 omp_clause_default_kind, c_omp_sharing_predetermined,
18110 c_omp_remap_decl): Declare.
18111 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18112 (OBJS-common): Add omp-low.o.
18113 (c-omp.o, omp-low.o): Add.
18114 (gimplify.o): Add dependency on $(OPTABS_H).
18115 (GTFILES): Add omp-low.c.
18116 (gt-stringpool.h): Add.
18117 * tree-cfg.c (set_bb_for_stmt): Do not update the
18118 block-to-labels map if we are currently expanding to RTL.
18119 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18121 Handle IDENTIFIER_NODE.
18122 (tree_verify_flow_info): Do not ICE when emitting error
18123 messages about invalid labels.
18124 (dump_function_to_file): Reset CFUN before emitting the body
18126 (debug_function): New.
18127 * passes.c (init_optimization_passes): Schedule
18129 * langhooks-def.h (lhd_omp_predetermined_sharing,
18130 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18132 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18133 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18134 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18135 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18136 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18137 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18138 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18139 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18140 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18141 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18142 (LANG_HOOK_DECLS): Use them.
18144 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18145 Richard Henderson <rth@redhat.com>
18146 Jakub Jelinek <jakub@redhat.com>
18147 Diego Novillo <dnovillo@redhat.com>
18149 * c-parser.c (pragma_omp_clause): Define.
18150 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18151 (c_parser_compound_statement): Likewise.
18152 (c_parser_statement): Likewise.
18153 (c_parser_pragma): Handle omp pragmas.
18154 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18155 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18156 (c_parser_omp_clause_name, check_no_duplicate_clause,
18157 c_parser_omp_variable_list,
18158 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18159 c_parser_omp_clause_copyprivate,
18160 c_parser_omp_clause_default,
18161 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18162 c_parser_omp_clause_lastprivate,
18163 c_parser_omp_clause_nowait,
18164 c_parser_omp_clause_num_threads,
18165 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18166 c_parser_omp_clause_reduction,
18167 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18168 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18169 c_parser_omp_atomic, c_parser_omp_barrier,
18170 c_parser_omp_critical, c_parser_omp_flush,
18171 c_parser_omp_for_loop, c_parser_omp_for,
18172 c_parser_omp_master, c_parser_omp_ordered,
18173 c_parser_omp_sections_scope, c_parser_omp_sections,
18174 c_parser_omp_parallel, c_parser_omp_single,
18175 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18176 * c-pragma.c (init_pragma): Do omp pragma registration here.
18177 * c.opt (fopenmp): New flag.
18179 2006-01-18 Eric Christopher <echristo@apple.com>
18181 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18182 * config/darwin.h (GOMP_SELF_SPECS): Define.
18184 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18186 * rtl.h: Remove the prototype for reg_alloc.
18188 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18191 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18192 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18193 sjlj and dwarf2 exception handling.
18194 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18195 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18196 * pa/pa.c (function_value): Treat complex and vector types as
18198 (function_arg): Likewise. Only pass scalar floats in the floating
18199 point argument registers.
18200 * pa/t-slibgcc-dwarf-ver: New file.
18201 * pa/t-slibgcc-sjlj-ver: New file.
18202 * pa/t-slibgcc-elf-ver: Delete file.
18204 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18206 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18207 unlikely_test_section_p test.
18209 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18211 * mode-switching.c (optimize_mode_switching): Make it static.
18212 * basic-block.h: Remove the prototype for
18213 optimize_mode_switching.
18215 * modulo-sched.c (sms_schedule): Make it static.
18216 * rtl.h: Remove the prototype for sms_schedule.
18218 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18219 * rtl.h: Remove the prototype for gcse_after_reload_main.
18221 * reg-stack.c (reg_to_stack): Make it static.
18222 * rtl.h: Remove the prototype for reg_to_stack.
18224 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18226 * rtl.h: Remove the prototypes for regrename_optimize and
18227 copyprop_hardreg_forward.
18229 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18231 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18232 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18233 Test against the appropriate null constant for the mode.
18234 If 'fixup_overlap' is true, swap the operands if they overlap.
18235 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18236 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18237 alpha_split_tmode_pair and adjust for above change.
18238 * config/alpha/alpha.md (movtf_internal): Adjust call to
18239 alpha_split_tfmode_pair and rely on it to swap the operands.
18240 (movti_internal): New insn and post-reload splitter.
18241 (movti): New expander.
18243 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18245 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18248 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18250 * rtlanal.c (global_reg_mentioned_p_1,
18251 global_reg_mentioned_p): Remove.
18252 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18254 * flow.c (initialize_uninitialized_subregs): Make it static.
18255 * rtl.h: Remove the prototype for
18256 initialize_uninitialized_subregs.
18258 * function.c (instantiate_virtual_regs): Make it static.
18259 * function.h: Remove the prototype for
18260 instantiate_virtual_regs.
18262 * regmove.c (regmove_optimize, combine_stack_adjustments):
18264 * rtl.h: Remove the prototypes for regmove_optimize and
18265 combine_stack_adjustments.
18267 2006-01-17 Roger Sayle <roger@eyesopen.com>
18269 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18270 (size_cost): Encode costs in bytes so that a reg-reg addition is
18271 equivalent to COSTS_N_INSNS(1).
18272 (override_options): Use the size_cost.branch_cost as the default
18273 ix86_branch_cost when optimizing for size.
18275 2006-01-18 Ben Elliston <bje@au.ibm.com>
18277 * Makefile.in (D32PBIT_FUNCS): New.
18278 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18279 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18280 D64PBIT_FUNCS and D128PBIT_FUNCS.
18281 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18282 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18284 (decnumber_dep): Define.
18285 * doc/libgcc.texi (Decimal float library routines): New node.
18286 * config/dfp-bit.h, config/dfp-bit.c: New files.
18288 2006-01-18 Ben Elliston <bje@au.ibm.com>
18290 * expr.c (emit_move_change_mode): Always adjust addresses, not
18291 just during reload. Copy replacements only during reload.
18292 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18293 emit_move_via_integer.
18295 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18297 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18298 instead of $(srcdir) and ${srcdir}.
18300 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18303 PR middle-end/11135
18304 * arm.h (struct machine_function): Add pic_reg.
18305 * arm.c (arm_pic_register): Make unsigned.
18306 (arm_override_options): Only set arm_pic_register if
18307 TARGET_SINGLE_PIC_BASE.
18308 (use_return_insn): Only test for a pic register if it is fixed.
18309 (arm_compute_save_reg0_reg12_mask): Likewise.
18310 (thumb_compute_save_reg_mask): Likewise.
18311 (legitimate_pic_operand): Factor out some known invariants.
18312 (legitimize_pic_address): If we don't have a fixed pic register,
18313 then set up a pseudo in the function entry sequence. Handle the
18314 pic base being in a pseudo.
18315 (arm_load_pic_register): Handle the pic register being in a pseudo.
18316 (arm_expand_prologue): Only set up the pic register if it is fixed.
18317 (thumb_expand_prologue): Likewise.
18318 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18319 (pic_load_addr_based_insn): Likewise.
18320 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18323 2006-01-18 Ben Elliston <bje@au.ibm.com>
18325 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18326 decimal float modes for all floating point registers.
18328 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18329 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18331 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18334 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18335 even when the pointer is not NULL.
18337 2006-01-16 Ian Lance Taylor <ian@airs.com>
18339 * common.opt (ftoplevel-reorder): New option.
18340 * cgraph.c (cgraph_asm_nodes): New global variable.
18341 (cgraph_asm_last_node): New static variable.
18342 (cgraph_order): New global variable.
18343 (cgraph_create_node): Set new order field.
18344 (cgraph_varpool_node): Likewise.
18345 (decide_is_variable_needed): Return true if not
18346 flag_toplevel_reorder.
18347 (cgraph_add_asm_node): New function.
18348 * cgraph.h (struct cgraph_node): Add order field.
18349 (struct cgraph_varpool_node): Add order field.
18350 (struct cgraph_asm_node): Define.
18351 (cgraph_asm_nodes, cgraph_order): Declare.
18352 (cgraph_add_asm_node): Declare.
18353 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18355 (cgraph_varpool_assemble_pending_decls): Call it.
18356 (cgraph_output_pending_asms): New static function.
18357 (cgraph_finalize_compilation_unit): Call it.
18358 (struct cgraph_order_sort): Define.
18359 (cgraph_output_in_order): New static function.
18360 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18361 !flag_toplevel_reorder case.
18362 * c-parser.c: Include "cgraph.h".
18363 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18365 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18366 than -fno-unit-at-a-time.
18367 * doc/invoke.texi (Option Summary): Mention
18368 -fno-toplevel-reorder.
18369 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18370 -funit-at-a-time documentation.
18372 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18373 Kazu Hirata <kazu@codesourcery.com>
18375 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18377 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18379 * Makefile.in (FUNCTION_H): New. Use it instead of
18380 function.h throughout the file.
18381 * function.h: Include tree.h.
18383 2006-01-17 Ben Elliston <bje@au.ibm.com>
18385 * recog.c: Separate some functions with whitespace.
18387 2006-01-16 Richard Henderson <rth@redhat.com>
18389 Merge from gomp branch:
18390 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18391 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18392 and rename from struct inline_data. Rename callee* to dst*;
18393 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18394 transform_new_cfg, transform_return_to_modify, and
18395 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18397 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18398 (copy_decl_for_dup): Remove.
18399 * tree-inline.c (struct inline_data): Move to header.
18400 (insert_decl_map): Export.
18401 (remap_decl): Update for member name changes. Use copy_decl hook.
18402 Allow for replacement to be a non-decl. Remove dead code.
18403 (remap_type_1): Check for existing mapping.
18404 (remap_type): Export.
18405 (remap_decls): Update for member name changes.
18406 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18407 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18408 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18409 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18410 (tree_function_versioning, build_duplicate_type): Likewise.
18411 (copy_body_r): Likewise. Export.
18412 (copy_decl_for_dup): Split into ...
18413 (copy_decl_for_dup_finish, copy_decl_to_var,
18414 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18415 (replace_ref_tree, inlining_p): Remove.
18417 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18419 * ifcvt.c (if_convert): Make it static.
18420 * rtl.h: Remove the prototype for if_convert.
18422 * local-alloc.c (local_alloc): Make it static.
18423 * rtl.h: Remove the prototype for local_alloc.
18425 * loop.c (loop_optimize): Make it static.
18426 * cfgloop.h: Remove the prototype for loop_optimize.
18429 2006-01-16 DJ Delorie <dj@redhat.com>
18431 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18434 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18436 * pa.md: Disparage copies between general and floating-point registers
18437 in 32-bit move patterns.
18439 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18442 * Makefile.in (check-%): Depend on site.exp instead of
18443 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18446 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18448 * global.c (global_alloc): Make it static.
18449 * rtl.h: Remove the prototype for global_alloc.
18451 2006-01-16 Richard Guenther <rguenther@suse.de>
18453 * tree-ssa-alias.c (struct used_part): Add write_only field.
18454 (get_or_create_used_part_for): Initialize it to true.
18455 (create_overlap_variables_for): Don't create structure variables
18456 for structures that only are written to.
18457 (find_used_portions): Handle MODIFY_EXPR to track whether a
18458 structure is only written to.
18460 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18462 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18464 * basic-block.h: Remove the prototype for
18465 partition_hot_cold_basic_blocks.
18467 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18469 * cppspec.c (lang_specific_spec_functions): Remove.
18470 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18471 * gcc.h (lang_specific_spec_functions): Remove.
18472 * gccspec.c (lang_specific_spec_functions): Remove.
18474 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18476 * combine.c (record_value_for_reg): Invalidate registers
18478 (record_dead_and_set_regs_1): Likewise, by passing them to
18479 record_value_for_reg.
18480 (record_dead_and_set_regs): Invalidate stores made by a
18481 call. We do not combine across a call, but we still
18482 relied on equivalences.
18484 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18486 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18487 vrp_int_const_binop returning non-constant nodes.
18489 2006-01-16 Paul Brook <paul@codesourcery.com>
18491 * config/m68k/m68k.c (output_move_const_into_data_reg):
18492 Output correct mnemonic for mvz and mvs.
18494 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18496 * rtl-factoring.c: Add sequence abstraction algorithm.
18497 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18498 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18500 (block_has_preserve_label): New function.
18501 * common.opt: Register new pass.
18502 * Makefile.in: Ditto.
18504 * timevar.def: Ditto.
18505 * tree-pass.h: Ditto.
18506 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18507 * rtl.h (make_jump_insn_raw): Add forward decl.
18508 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18510 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18511 Roger Sayle <roger@eyesopen.com>
18513 * fold-const.c (fold_minmax): New static function.
18514 (fold_binary) <MIN_EXPR>: Call it.
18515 <MAX_EXPR>: Likewise.
18516 * stor-layout.c (place_field): Use DECL_SIZE consistently
18517 in the computation of the new record size.
18519 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18521 * cse.c (cse_condition_code_reg): Make it static.
18522 * rtl.h: Remove the prototype for cse_condition_code_reg.
18524 * combine.c (combine_instructions): Make it static.
18525 * rtl.h: Remove the prototype for combine_instructions.
18527 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18530 * tree.c (get_file_function_name_long): Concatenate the first global
18531 object name with a string derived from the input filename of the object
18534 2006-01-16 Ben Elliston <bje@au.ibm.com>
18536 * config/i386/winnt-stubs.c: Update FSF address.
18537 * config/xtensa/ieee754-df.S: Ditto.
18538 * config/xtensa/ieee754-sf.S: Ditto.
18540 2006-01-14 Ian Lance Taylor <ian@airs.com>
18542 * ifcvt.c (noce_init_if_info): New static function, broken out of
18543 noce_process_if_block.
18544 (noce_process_if_block): Call noce_init_if_info.
18545 (check_cond_move_block): New static function.
18546 (cond_move_process_if_block): New static function.
18547 (process_if_block): Call cond_move_process_if_block.
18549 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18551 * cselib.c (hash_table): Rename to cselib_hash_table.
18552 (cselib_clear_table, discard_useless_values,
18553 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18554 cselib_init, cselib_finish): Adjust uses of hash_table.
18556 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18558 PR tree-optimization/25485
18559 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18560 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18561 is known to be false and true, respectively.
18563 2006-01-14 Richard Guenther <rguenther@suse.de>
18565 PR tree-optimization/22548
18566 PR tree-optimization/22555
18567 PR tree-optimization/22501
18568 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18569 * params.def (salias-max-array-elements): New parameter.
18570 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18571 * doc/invoke.texi (salias-max-array-elements): Document.
18572 * tree-flow-inline.h (var_can_have_subvars): We also handle
18574 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18576 * tree-ssa-structalias.c (params.h): Include.
18577 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18578 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18579 (get_constraint_for): For ADDR_EXPR operating on something
18580 containing an ARRAY_REF, add all subvars to the solution.
18581 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18582 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18583 for creating MUST_DEFs.
18584 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18586 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18588 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18590 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18591 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18592 number_of_iterations_le): New functions.
18593 (number_of_iterations_special): Removed.
18594 (number_of_iterations_exit): Do not use number_of_iterations_special.
18595 * tree.c (unsigned_type_for): Always return integer type.
18597 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18598 Richard Guenther <rguenther@suse.de>
18600 PR rtl-optimization/24257
18601 * gcse.c (find_moveable_store): Only consider a store movable
18602 when the SET_SRC of the insn can be assigned to a register.
18604 2006-01-14 Ian Lance Taylor <ian@airs.com>
18606 * tree.c (tree_not_class_check_failed): New function.
18607 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18608 (tree_not_class_check_failed): Declare.
18610 2006-01-13 Ian Lance Taylor <ian@airs.com>
18612 * reload1.c (do_output_reload): Add assertion rejecting a
18615 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18617 * combine.c (struct reg_stat): Add new fields truncation_label and
18619 (record_value_for_reg): Reset truncated_to_mode.
18620 (record_truncated_value): New function.
18621 (check_promoted_subreg): Call it. Rename to check_conversions.
18622 (combine_instructions): Rename check_promoted_subreg to
18624 (reg_truncated_to_mode): New function.
18625 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18626 (gen_lowpart_or_truncate): New function.
18627 (force_to_mode): Use it instead of gen_lowpart.
18629 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18631 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18632 VAR is a tag, not its type tag.
18634 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18636 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18637 alternatives to match style of other entries.
18638 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18640 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18642 PR tree-optimization/25771
18643 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18646 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18649 * tree-inline.c (declare_return_variable): If the return variable
18650 was marked as a non gimple complex, set the return slot variable
18651 to be a non gimple comple variable.
18653 2006-01-13 Richard Guenther <rguenther@suse.de>
18655 * builtins.c (expand_builtin_sincos): New function.
18656 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18658 (expand_builtin): Expand sincos using expand_builtin_sincos.
18660 2006-01-12 DJ Delorie <dj@redhat.com>
18662 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18663 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18664 so that constant shifts can be split.
18665 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18666 (m32c_valid_pointer_mode): Make static.
18667 (shift_gen_func_for): New.
18668 (m32c_prepare_shift): Use it. Split large const shifts into
18670 * config/m32c/predicates.md (shiftcount_operand): Allow more
18672 (longshiftcount_operand): New.
18673 * doc/md.texi (Machine Constraints): Document In6.
18675 2006-01-13 Ben Elliston <bje@au.ibm.com>
18677 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18678 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18681 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18683 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18684 to try to avoid clobbering pieces of structures when we know
18685 something about the whole structure.
18686 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18688 2006-01-13 Ben Elliston <bje@au.ibm.com>
18690 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18691 return in memory, as this is no limitation is no longer present.
18693 2006-01-12 DJ Delorie <dj@redhat.com>
18695 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18696 mova with fb, and for fb+0 -> An.
18698 * config/m32c/mov.md (peephole2): Fix enabling logic.
18700 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18701 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18702 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18703 FINI_ARRAY_SECTION_ASM_OP): Define.
18705 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18707 (m32c_legitimize_reload_address): New logic to reload FB to An.
18708 (m32c_output_reg_push): Add newline.
18709 (m32c_output_reg_pop): Likewise.
18711 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18713 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18715 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18717 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18719 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18721 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18724 2006-01-11 Ben Elliston <bje@au.ibm.com>
18726 * rtlanal.c (find_reg_note): Assert insn is not null.
18728 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18730 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18733 2006-01-11 Jeff Law <law@redhat.com>
18735 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18737 (mark_threaded_blocks, register_jump_thread): New functions.
18738 (thread_through_all_blocks): Remove unwanted argument. No
18739 longer rely on e->aux to communicate thread target info.
18740 Call mark_threaded_blocks. Release the threaded_blocks
18741 bitmap and threaded_edges vector when complete.
18742 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18743 (threaded_blocks): Remove.
18744 (tree_ssa_dominator_optimize): Remove initialization and
18745 finalization of threaded_blocks. Simplify call to
18746 thread_through_all_blocks.
18747 (thread_across_edge): Call register_jump_thread rather than
18748 storing thread information into e->aux.
18749 (free_all_edge_infos): Simplify now that e->aux is no longer
18750 used to communicate with thread_through_all_blocks.
18751 * tree-flow.h (thread_through_all_blocks): Update prototype.
18752 (register_jump_thread): Prototype.
18754 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18756 * df-core.c (df_compact_blocks, df_bb_replace): Use
18757 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18759 2006-01-11 Richard Guenther <rguenther@suse.de>
18761 PR tree-optimization/25734
18762 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18763 stop propagation after successful propagation to the LHS.
18765 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18767 * basic-block.h (control_flow_graph): Change the type of
18768 x_basic_block_info to VEC(basic_block,gc) *.
18769 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18771 (SET_BASIC_BLOCK): New.
18772 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18773 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18774 * cfgbuild.c (find_basic_blocks): Likewise.
18775 * cfglayout.c (fixup_reorder_chain): Likewise.
18776 * cfgrtl.c (create_basic_block_structure,
18777 rtl_create_basic_block): Likewise.
18778 * ifcvt.c (find_if_case_1): Likewise.
18779 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18782 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18784 * Makefile.in: Removed rotted odf.c entry.
18786 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
18789 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
18790 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
18791 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
18792 output pattern modifier, not %e.
18793 * config/cris/cris.c (cris_op_str): Update comment about pattern
18795 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
18796 before falling through into...
18797 <case 'E'>: Redefined from old 'e' case.
18799 2006-01-11 Jan Hubicka <jh@suse.cz>
18802 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
18804 2006-01-11 Jan Hubicka <jh@suse.cz>
18806 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
18807 * i386.c (x86_decompose_lea): Kill.
18808 (ix86_rtx_costs): Kill.
18810 2006-01-11 Jan Hubicka <jh@suse.cz>
18812 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
18813 * cgraph.h (cgraph_node): Add inline_decl.
18814 (cgraph_insert_node_to_hashtable): Declare.
18815 (save_inline_function_body): Declare.
18816 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
18818 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
18819 (cgraph_function_versioning): Update call of tree_function_versioning.
18820 (save_inline_function_body): New function.
18821 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
18822 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
18823 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
18824 (cgraph_default_inline_p): Likewise.
18825 (cgraph_decide_inlining_incrementally): Likewise.
18826 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
18827 (copy_bb): Kill saving; do updating of clones.
18828 (copy_cfg_body): Kill saving.
18829 (initialize_inlined-parameters): Likewise.
18830 (expand_call_inline): Likewise.
18832 (tree_function_versioning): New parameter "update_clones".
18833 (inlining_p): Kill saving.
18834 * tree-inline.h (tree_function_versioning): Update prototype.
18835 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
18838 2006-01-11 Ian Lance Taylor <ian@airs.com>
18840 * combine.c (struct undo): Remove is_int. Enumify types of undos.
18841 Allow undoing set of machine mode.
18842 (do_SUBST): Use enums instead of is_int.
18843 (do_SUBST_MODE): New function.
18844 (SUBST_MODE): New macro.
18845 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
18846 reg and trying to replace reg_regno_rtx with a new register.
18847 (undo_all): Use new enums, handle undoing a PUT_MODE change.
18848 (simplify_set): Use SUBST_MODE.
18849 (distribute_notes): Remove code that tried to update reg notes
18850 for regno_reg_rtx changes.
18852 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
18854 PR tree-optimization/23109
18855 PR tree-optimization/23948
18856 PR tree-optimization/24123
18858 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
18859 * tree-cfg.c (single_noncomplex_succ): New.
18860 * tree-flow.h (single_noncomplex_succ): Declare it.
18861 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18862 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
18863 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
18864 insert_bb, register_division_in, insert_reciprocals,
18865 replace_reciprocal, free_bb): New.
18866 (execute_cse_reciprocals_1): Rewritten.
18867 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
18868 Do not commit any edge insertion. Always compute dominators and
18869 create the allocation pool.
18870 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
18871 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
18872 * targhooks.c (default_min_divistions_for_recip_mul): New.
18873 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
18874 * passes.c (init_optimization_passes): Run recip after tree loop
18876 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
18878 2006-01-11 Danny Berlin <dberlin@dberlin.org>
18879 Kenneth Zadeck <zadeck@naturalbridge.com>
18881 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
18882 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
18883 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
18884 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
18885 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
18886 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
18887 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
18888 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
18889 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
18890 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
18891 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
18892 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
18893 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
18894 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
18895 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
18896 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
18897 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
18898 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
18899 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
18900 DF_SCAN_POST_ALLOC): New macros.
18901 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
18902 df_free_bb_function, df_local_compute_function, df_init_function,
18903 df_dataflow_function, df_confluence_function_0,
18904 df_confluence_function_n, df_transfer_function,
18905 df_finalizer_function, df_free_function, df_dump_problem_function,
18906 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
18907 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
18908 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
18909 df_urec_bb_info, ) New types.
18910 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
18912 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
18913 df_analyze_simple_change_some_blocks,
18914 df_analyze_simple_change_one_block, df_compact_blocks,
18915 df_bb_replace, df_bb_regno_last_use_find,
18916 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
18917 df_insn_regno_def_p, df_find_def, df_find_use,
18918 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
18919 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
18920 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
18921 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
18922 debug_df_chain, df_get_dependent_problem, df_chain_create,
18923 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
18924 df_grow_bb_info, df_chain_dump, df_print_bb_index,
18925 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
18926 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
18927 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
18928 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
18929 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
18930 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
18931 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
18932 df_ref_remove, df_insn_refs_delete, df_refs_delete,
18933 df_reorganize_refs, df_set_state, df_hard_reg_init,
18934 df_read_modify_subreg_p) New public functions.
18935 * df-core.c: The core dataflow solver and glue routines for rtl
18937 (df_init, df_add_problem, df_set_blocks, df_finish,
18938 df_hybrid_search_forward, df_hybrid_search_backward,
18939 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
18940 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
18941 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
18942 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
18943 df_reg_defined, df_find_use, df_reg_used, df_dump,
18944 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
18945 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
18946 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
18947 debug_df_useno, reset_df_after_reload): New functions.
18948 * df-scan.c: The scanning fuctions, once in df.c, completely
18949 rewritten so that they now fully model the functionality of
18950 register usage at the backend.
18951 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
18952 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
18953 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
18954 df_grow_insn_info, df_rescan_blocks, df_ref_create,
18955 df_get_artificial_defs, df_get_artificial_uses,
18956 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
18957 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
18958 df_refs_delete, df_reorganize_refs, df_set_state,
18959 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
18960 df_def_record_1, df_defs_record, df_uses_record,
18961 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
18962 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
18963 df_record_exit_block_uses, df_hard_reg_init): New functions.
18965 * df-problems.c: Seven concrete dataflow problems that use the
18966 scanning in df-scan.c and are solved by the engine in df-core.c.
18967 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
18968 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
18969 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
18970 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
18971 df_ru_free_bb_info, df_ru_alloc,
18972 df_ru_bb_local_compute_process_def,
18973 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
18974 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
18975 df_ru_transfer_function, df_ru_free, df_ru_dump,
18976 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
18977 df_rd_free_bb_info, df_rd_alloc,
18978 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
18979 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
18980 df_rd_transfer_function, df_rd_free, df_rd_dump,
18981 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
18982 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
18983 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
18984 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
18985 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
18986 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
18987 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
18988 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
18989 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
18990 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
18991 df_urec_mark_reg_change, df_urec_check_earlyclobber,
18992 df_urec_mark_reg_use_for_earlyclobber,
18993 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
18994 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
18995 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
18996 df_urec_dump, df_urec_add_problem, df_chain_alloc,
18997 df_chain_create_bb_process_use, df_chain_create_bb,
18998 df_chain_finalize, df_chain_free, df_chains_dump,
18999 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19000 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19001 df_reg_lifetime): New functions.
19002 * df.c: Deleted file.
19003 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19004 consistent with new df api.
19005 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19006 rest_of_handle_sms): Ditto.
19007 * web.c (unionfind_union, union_defs, entry_register, web_main):
19009 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19010 invariant_expr_equal_p, find_defs, check_dependencies,
19011 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19012 free_inv_motion_data, move_loop_invariants): Ditto.
19013 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19014 Update dependencies.
19015 (odf.c): Added defective entry that was deleted later in day.
19016 * sched-deps.c (sched_analyze_1): Ditto.
19018 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19020 * tree-ssa-operands.c (get_expr_operands): Record addressable
19021 variables directly. Do not call add_stmt_operands for CONST_DECLs
19023 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19024 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19026 2006-01-11 Ben Elliston <bje@au.ibm.com>
19028 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19029 function returns true in the positive case.
19031 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19034 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19035 for SI, DI, SF and DF modes. Add alternatives to copy between
19036 general and floating point registers to the 32-bit patterns.
19037 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19038 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19039 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19040 generating 64-bit code.
19041 * config/pa/pa.c (output_move_double): Handle copies between general
19042 and floating registers.
19044 2006-01-10 Stuart Hastings <stuart@apple.com>
19046 * config/i386/i386.md (set_got): Update.
19047 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19048 (builtin_setjmp_receiver): Mach-O support.
19049 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19050 (GOT_SYMBOL_NAME): Define.
19051 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19052 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19053 * config/i386/i386.c (override_options): Revise for Darwin.
19054 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19055 support. (darwin_x86_file_end): New. (output_set_got): Add label
19056 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19057 * config/i386/i386-protos.h (output_set_got): Likewise.
19058 * config/darwin.c (machopic_legitimize_pic_address): Update
19061 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19063 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19064 when MODE isn't BLKmode.
19066 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19068 PR rtl-optimization/25367
19069 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19071 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19074 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19075 for a negative bound.
19077 2006-01-10 Richard Guenther <rguenther@suse.de>
19079 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19080 Never override with anything constraint.
19082 2006-01-10 Jan Beulich <jbeulich@novell.com>
19084 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19085 256 bits when optimize_size.
19087 2006-01-10 Jan Beulich <jbeulich@novell.com>
19089 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19091 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19092 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19095 2006-01-10 Ben Elliston <bje@au.ibm.com>
19097 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19099 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19100 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19101 (USE_FP_FOR_ARG): Reject decimal float modes.
19102 (function_arg_advance): Likewise.
19103 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19104 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19105 point types in AltiVec vectors.
19106 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19107 (rs6000_libcall_value): Likewise.
19109 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19111 * config/xtensa/ieee754-df.S: New file.
19112 * config/xtensa/ieee754-sf.S: New file.
19113 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19114 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19115 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19117 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19119 * config/sh/predicates.md (binary_float_operator,
19120 binary_logical_operator, commutative_float_operator,
19121 equality_comparison_operator, greater_comparison_operator,
19122 less_comparison_operator, logical_operator,
19123 noncommutative_float_operator, shift_operator,
19124 symbol_ref_operand, unary_float_operator): Remove redundant
19127 2006-01-09 Jeff Law <law@redhat.com>
19129 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19130 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19131 now unused arguments. Callers updated.
19132 (eliminate_redundant_computations): Remove now unused arguments,
19134 (local_fold): Remove, no longer used.
19135 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19137 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19138 (simplify_cond): New function.
19139 (forward_propagate_into_cond): Call simplify_cond.
19141 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19143 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19144 (*vec_extractv2di_1_sse): New.
19146 2006-01-09 Ben Elliston <bje@au.ibm.com>
19148 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19150 2006-01-08 Richard Guenther <rguenther@suse.de>
19152 * tree-ssa-structalias.c (get_constraint_for): Remove
19153 anyoffset argument.
19154 (get_constraint_for_component_ref): Likewise.
19155 (do_deref): Likewise.
19156 (get_constraint_for): Likewise.
19157 (do_structure_copy): Likewise.
19158 (handle_ptr_arith): Likewise.
19159 (find_func_aliases): Likewise. Remove unused need_anyoffset
19162 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19163 Kaz Kojima <kkojima@gcc.gnu.org>
19165 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19166 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19167 (EXTRA_CONSTRAINT_C16): Remove.
19168 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19169 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19170 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19171 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19172 constants of SHmedia. Handle nested constant expressions of
19174 (andcosts): Fix the costs for SHmedia constants.
19175 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19176 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19177 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19178 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19179 (movv4hi_i, movv2si_i): Likewise.
19180 (movsi_const): Adjust the second operand of ior so to match with
19181 the Csu constraint.
19182 (movdi_const, movdi_const_32bit): Likewise.
19183 (movdi_const_16bit+1): Don't sign-extend LOW.
19184 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19186 (*double_shori): Fix the split condition. Use GEN_INT instead
19187 of get_int_mode calls. Mask lower 16-bit of the argument of
19189 (sym2GOTPLT): Remove.
19190 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19192 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19193 instead of EXTRA_CONSTRAINT_C16.
19195 2006-01-07 Ian Lance Taylor <ian@airs.com>
19196 David Edelsohn <edelsohn@gnu.org>
19198 PR rtl-optimization/25662
19199 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19200 for constant operands instead of simplify_gen_binary.
19201 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19202 after trying simplify_binary_operation
19204 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19206 * tree.c (iterative_hash_expr): Hash decls based on UID.
19208 2006-01-06 Eric Christopher <echristo@apple.com>
19210 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19211 (TARGET_UNWIND_EMIT): Fix spelling.
19212 * target.h (gcc_target): Add except_table_label.
19213 * except.c (output_function_exception_table): Use.
19214 * varasm.c (default_emit_except_table_label): New.
19215 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19217 (asm_out): Add here.
19218 * output.h (default_emit_except_table_label): Prototype.
19219 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19220 * config/darwin.c (darwin_emit_except_table_label): Define.
19221 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19223 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19225 PR tree-optimization/18527
19226 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19227 number_of_iterations_special, number_of_iterations_exit):
19228 Move base and step of an iv to a single structure. Add
19229 no_overflow flag, and use it in # of iterations analysis.
19230 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19231 folded_casts argument.
19232 (simple_iv): Pass base and step in a structure. Set no_overflow
19234 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19235 Evaluate expensiveness of computing # of iterations instead of
19236 the final expression.
19237 * tree-scalar-evolution.h (affine_iv): New structure.
19238 (simple_iv): Declaration changed.
19239 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19240 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19241 find_givs_in_stmt): Changed due to simple_iv change.
19243 2006-01-06 Jeff Law <law@redhat.com>
19246 * tree-cfg.c (bsi_replace): Rename final argument from
19247 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19248 change (stmt -> orig_stmt).
19249 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19250 (bsi_remove): Add new argument. Remove EH information
19252 (verify_eh_throw_table_statements): New function.
19253 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19255 * tree-optimize.c (execute_free_cfg_annotations): Verify
19256 the EH throw statement table after removing annotations.
19257 * except.h (verify_eh_throw_table_statements): Prototype.
19258 * tree-flow.h (bsi_remove): Update prototype.
19259 * tree-vrp.c (remove_range_assertions): Add new argument to
19261 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19262 * tree-complex.c (expand_complex_div_wide): Likewise.
19263 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19264 * tree-tailcall.c (eliminate_tailcall): Likewise.
19265 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19266 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19267 * tree-nrv.c (tree_nrv): Likewise.
19268 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19269 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19270 (combine_blocks): Likewise.
19271 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19272 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19273 (cleanup_control_flow): Likewise.
19274 (remove_forwarder_block): Likewise.
19275 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19276 * tree-sra.c (sra_replace): Likewise.
19277 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19278 (forward_propagate_single_use_vars): Likewise.
19279 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19280 * tree-inline.c (expand_call_inline): Likewise.
19281 * tree-vect-transform.c (vect_transform_loop): Likewise.
19282 * tree-outof-ssa.c (rewrite_trees): Likewise.
19283 * tree-cfg.c (make_goto_expr_edges): Likewise.
19284 (cleanup_dead_labels): Likewise.
19285 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19286 (bsi_move_before, bsi_move_after): Likewise.
19287 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19288 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19290 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19293 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19295 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19296 on non gimple variables. Also add checks at the top for decls and
19298 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19300 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19301 and IMAGPART_EXPR for creating MUST_DEFs.
19302 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19303 and NAME_MEMORY_TAG separately from the DECLs.
19305 2006-01-06 Richard Guenther <rguenther@suse.de>
19307 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19308 annotation, if necessary.
19309 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19310 redundant calls to update_stmt.
19311 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19314 2006-01-05 Richard Henderson <rth@redhat.com>
19316 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19318 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19320 * c-typeck.c: Update copyright date.
19322 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19324 * c-typeck.c (build_c_cast): Always warn when casting
19325 from a pointer to an integer of different size, even if
19326 the node was constant.
19328 2006-01-05 Richard Guenther <rguenther@suse.de>
19330 PR tree-optimization/22555
19331 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19332 if one structure field is an array.
19333 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19334 operands even if we found a subvar, but ignore VOPs in this
19336 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19338 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19340 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19342 PR middle-end/24998
19343 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19345 2006-01-05 Richard Guenther <rguenther@suse.de>
19346 Diego Novillo <dnovillo@redhat.com>
19348 * tree-pass.h (TODO_remove_unused_locals): Define.
19349 * gimple-low.c (expand_var_p, remove_useless_vars,
19350 pass_remove_useless_vars): Remove. Update all users.
19351 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19352 (remove_unused_locals): New function.
19353 * tree-flow.h (remove_unused_locals): Declare.
19354 * passes.c (execute_todo): Call remove_unused_locals if
19355 TODO_remove_unused_locals is set.
19356 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19357 * tree-ssa-dce.c (pass_dce): Likewise.
19358 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19360 2006-01-05 Richard Guenther <rguenther@suse.de>
19362 * tree-flow.h (struct fieldoff): Decompose field to
19363 type, size and decl.
19364 * tree-ssa-alias.c (create_sft): Take type as parameter.
19365 (create_overlap_variables_for): Store type, size and decl
19366 in the fieldoff structure.
19367 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19368 of struct fieldoff.
19369 (push_fields_onto_fieldstack): Likewise.
19370 (create_variable_info_for): Likewise. Use offset for the
19371 SFT name if the decl is not available.
19373 2006-01-04 Paul Brook <paul@codesourcery.com>
19375 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19377 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19379 * lambda-code.c (can_put_in_inner_loop): Relax
19381 (can_put_after_inner_loop): New function.
19382 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19383 (perfect_nestify): Change to make copies and modify uses.
19385 2006-01-04 Richard Henderson <rth@redhat.com>
19387 Merge from gomp branch:
19388 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19389 via integer constant.
19390 (pragma_lex): Remove.
19391 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19392 rather than parsing it.
19393 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19394 handle_pragma_extern_prefix): Add %< %> quotes.
19395 (registered_pragmas): New.
19396 (c_register_pragma_1): New.
19397 (c_register_pragma): Use it.
19398 (c_register_pragma_with_expansion): Likewise.
19399 (c_invoke_pragma_handler): New.
19400 (init_pragma): Use cpp_register_deferred_pragma directly for
19402 * c-pragma.h (enum pragma_kind): New.
19403 (pragma_handler): New.
19404 (c_invoke_pragma_handler): Declare.
19405 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19407 * c-common.h (c_common_pch_pragma): Update decl.
19408 * Makefile.in (c-parser.o): Update dependencies.
19409 (GTFILES): Add c-pragma.h.
19410 * c-parser.c (struct c_token): Add pragma_kind.
19411 (struct c_parser): Add in_pragma.
19412 (c_lex_one_token): Always initialize keyword and pragma_kind.
19413 Extract data for CPP_PRAGMA.
19414 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19415 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19416 Don't allow CPP_PRAGMA_EOL if in_pragma.
19417 (c_parser_consume_pragma): New.
19418 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19419 (c_parser_skip_to_end_of_parameter): Likewise.
19420 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19421 (c_parser_skip_to_pragma_eol): New.
19422 (c_parser_external_declaration): Handle CPP_PRAGMA.
19423 (c_parser_compound_statement_nostart): Likewise.
19424 (c_parser_statement_after_labels): Likewise.
19425 (c_parser_pragma): New.
19426 (pragma_lex): Likewise.
19427 (c_parser_pragma_pch_preprocess): New.
19428 (c_parser_new): Merge into ...
19429 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19431 2006-01-04 Jeff Law <law@redhat.com>
19434 * tree-cfg.c (bsi_replace): Remove the original statement
19435 from the EH throw statement table.
19437 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19439 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19440 make the prototype extern "C" and add throw ().
19443 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19444 and pos non-negative and pos + len <= 32.
19445 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19446 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19447 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19450 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19451 as well as sizes not multiple of component size.
19454 * function.c (instantiate_expr): New function.
19455 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19456 walk its DECL_VALUE_EXPR with instantiate_expr.
19458 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19459 DW_OP_deref{,_size} if address isn't going to be added.
19461 2006-01-04 Ben Elliston <bje@au.ibm.com>
19463 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19464 * config/fp-bit.c: Likewise.
19466 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19468 * dominance.c: Add comment about why we use DFS numbering
19471 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19472 Richard Henderson <rth@redhat.com>
19474 Merge from gomp-branch:
19475 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19476 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19478 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19480 PR rtl-optimization/25578
19481 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19482 pass a parameter to simplify_shift_const if changing ASHIFTRT
19485 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19487 * builtins.c (get_builtin_sync_mem): New function.
19488 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19489 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19490 Call get_builtin_sync_mem to generate mem rtx.
19492 2006-01-03 Richard Guenther <rguenther@suse.de>
19495 * stmt.c (add_case_node): Make sure to clear overflow flags
19498 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19500 Merge from gomp-branch.
19501 * config/sparc/sync.md: New file.
19502 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19503 UNSPECV_LDSTUB): New constants.
19504 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19505 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19506 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19509 2006-01-03 Roger Sayle <roger@eyesopen.com>
19511 * combine.c (reg_subword_p): New predicate to test whether the
19512 destination of a set refers to a subword/piece of a register.
19513 (try_combine): Generalize the code to merge the setting of a
19514 pseudo to a constant followed by a set of a subword of that
19515 register to a constant.
19517 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19519 * basic-block.h (control_flow_graph): Change the type of
19520 x_label_to_block_map to VEC(basic_block,gc) *.
19521 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19522 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19524 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19525 VEC(basic_block,heap) *.
19526 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19527 ssa_prop_fini): Adjust the uses of cfg_blocks.
19529 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19531 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19533 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19534 hashing trees instead of a pointer hash.
19535 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19536 compare for MEM_EXPR.
19538 PR rtl-optimization/25130
19539 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19540 when comparing MEMs for GCSE
19542 2006-01-03 Ben Elliston <bje@au.ibm.com>
19544 * targhooks.h (default_decimal_float_supported_p): Declare.
19545 * targhooks.c (default_decimal_float_supported_p): Define.
19546 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19547 `default_decimal_float_supported_p'.
19548 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19550 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19552 * combine.c (apply_distributive_law <SUBREG>): Check
19553 TRULY_NOOP_TRUNCATION.
19555 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19557 * dwarf2out.c (have_switched_text_section): Delete.
19558 (have_multiple_function_sections): New.
19559 (have_location_lists): Make 'bool'.
19560 (add_AT_loc_list): Use 'true' not '1'.
19561 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19562 (output_loc_list): Use have_multiple_function_sections.
19563 (output_ranges): Likewise.
19564 (dwarf2out_begin_function): Set have_multiple_function_sections if
19566 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19567 Check function_section rather than DECL_SECTION_NAME.
19568 (dwarf2out_finish): Use have_multiple_function_sections.
19569 Don't clear have_location_lists.
19571 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19572 Jan Hubicka <jh@suse.cz>
19574 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19575 case of conditional jump jumping to the next instruction.
19576 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19577 cases of conditional jump jumping to the next instruction.
19579 2006-01-02 Jan Hubicka <jh@suse.cz>
19581 * i386.c (*_cost): Add COSTS_N_INSNS.
19582 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19584 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19587 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19589 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19591 * config/arm/arm.c (all_fpus): Fix comment typo.
19592 * config/darwin.c: Likewise.
19593 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19594 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19595 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19597 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19599 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19600 (rs6000_split_compare_and_swapqhi): New.
19601 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19602 (sync_compare_and_swapqhi_internal): New.
19603 * config/rs6000/rs6000-protos.h: Declare.