1 2006-11-27 Bob Wilson <bob.wilson@acm.org>
3 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
5 2006-11-27 Roger Sayle <roger@eyesopen.com>
6 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8 * c-common.c (constant_fits_type_p): Delete.
9 (unsigned_conversion_warning): Delete.
10 (conversion_warning): Integrate Wconversion warning from
11 unsigned_conversion_warning.
12 (convert_and_check): Integrate Woverflow warning from
13 unsigned_conversion_warning. Reorganize and simplify to avoid
14 dependence upon the middle-end setting TREE_OVERFLOW on integral
15 conversions, by using int_fits_type_p directly.
17 2006-11-27 Tobias Burnus <burnus@net-b.de>
19 * doc/invoke.texi: Fixed typo.
21 2006-11-27 Michael Matz <matz@suse.de>
22 Andreas Krebbel <krebbel1@de.ibm.com>
25 * config/s390/predicates.md (larl_operand): Check addend of larl
26 operand to be in range of -/+2GB.
27 * config/s390/s390.c (legitimize_pic_address): Likewise.
28 Changed type of variable even to HOST_WIDE_INT.
30 2006-11-27 Jan Hubicka <jh@suse.cz>
32 * expr.c (emit_block_move_via_libcall): Export.
33 (clear_storage_via_libcall): Rename to ...
34 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
35 (clear_storage): Update to set_storage_via_libcall.
36 * expr.h (emit_block_move_via_libcall): Declare
37 * config/i386/i386.h (stringop_alg): New enum.
38 (MAX_STRINGOP_ALGS): New constant.
39 (stringop_algs): New struct.
40 (processor_costs): Add memcpy/memset descriptors.
41 (TARGET_REP_MOVEL_OPTIMAL): Remove.
42 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
43 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
45 * config/i386/i386.opt (minline-stringops-dynamically,
46 mstringop-strategy): New
48 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
49 (ix86_expand-clrmem): Rename to ...
50 (ix86_expand_setmem): ... this one; update prototype.
51 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
52 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
53 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
54 nocona_cost, core2_cost, generic_cost, generic64_cost,
55 generic32_cost): Add memcpy/memset descriptors.
56 (x86_rep_movl_optimal): Remove.
57 (stringop_alg): New static variable.
58 (ix86_expand_aligntest): Handle predictions.
59 (override_options): Add strgop_alg handling.
60 (predict_jump): New function.
61 (scale_counter): New function.
62 (expand_set_or_movmem_via_loop): New function.
63 (expand_movmem_via_rep_mov): New function.
64 (expand_setmem_via_rep_stots): New function.
65 (emit_strmov): New function.
66 (expand_movmem_epilogue): New function.
67 (expand_setmem_epilogue_via_loop): New function.
68 (expand_setmem_epilogue): New function.
69 (expand_movmem_prologue): New function.
70 (expand_setmem_prologue): New function.
71 (decide_alg): New function.
72 (decide_alignment): New function.
73 (ix86_exand_movmem): Rewrite.
74 (promote_duplicated_reg): New function.
75 (ix86_expand_clrmem): Rename to ...
76 (ix86_expand_setmem): ... this one. Rewrite.
78 * invoke.texi (minline-stringops-dynamically): New command line option.
79 (mstringop-strategy): Likewise.
81 2006-11-27 Jan Hubicka <jh@suse.cz>
83 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
84 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
85 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
86 * insn-notes.def (FUNCTION_END): Remove.
87 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
88 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
90 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
91 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
92 * cfglayout.c (duplicate_insn_chain): Don't worry about
95 2006-11-27 Richard Guenther <rguenther@suse.de>
96 Zdenek Dvorak <dvorakz@suse.cz>
98 * target.h (struct gcc_target): Add builtin_vectorized_function
100 * target-def.h (TARGET_VECTORIZE): Likewise.
101 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
102 Document new target hook.
103 * targhooks.h (default_builtin_vectorized_function): Declare.
104 * targhooks.c (default_builtin_vectorized_function): Define.
105 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
106 (vectorizable_call): Declare.
107 * tree-vect-analyze.c (vect_analyze_operations): Call
109 * tree-vect-transform.c (vectorizable_function): New static function.
110 (build_vectorized_function_call): Likewise.
111 (vectorizable_call): New function.
112 (vect_transform_stmt): Handle vectorizable calls.
114 2006-11-27 Richard Guenther <rguenther@suse.de>
117 * builtins.c (expand_builtin_pow): Optimize non integer valued
118 constant exponents using sqrt or cbrt if possible. Always fall back
119 to expanding via optabs.
121 2006-11-27 Ira Rosen <irar@il.ibm.com>
123 PR tree-optimization/22372
124 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
125 the type of the base address.
126 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
127 it in the data-ref pointer creation.
128 (vect_init_vector): Add an argument, type of the init vector. Use it in
130 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
131 (get_initial_def_for_reduction): Likewise.
132 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
134 (vectorizable_assignment, vect_permute_store_chain): Likewise.
135 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
136 correct type in stmt creation.
137 (vect_setup_realignment): Use the correct type in stmt creation.
138 (vect_permute_load_chain): Change type of MODIFY_EXPR to
140 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
141 of MODIFY_EXPR to void_type_node.
142 (vectorizable_condition): Change type of MODIFY_EXPR to
144 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
147 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
150 2006-05-08 Uros Bizjak <uros@kss-loka.si>
151 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
152 standard 80387 constants, raise the cost to prevent
153 compress_float_constant() to generate load from memory.
155 * config/i386/i386.md: Add new splitter pattern to split
156 float_extended load of constant from constant pool into
159 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
161 * doc/install.texi: Move GMP/MPFR configure options from Fortran
162 section to general section. Remove documentation for
163 --with-mpfr-dir and --with-gmp-dir, add documentation for
164 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
167 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
169 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
171 * testsuite/gcc.dg/ipa/ipa-6.c: New.
173 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
175 PR tree-optimization/29122
176 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
177 for the new version. Assign NULL to DECL_RTL of the new version.
179 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
181 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
183 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
185 * cse.c (cse_altered): Remove.
186 (record_jump_equiv): Make true/false argument a bool instead
188 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
189 where appropriate. Emit a new jump before the existing one
190 instead of after so that delete_insn_and_edges removes the
191 dead edges properly. Check any_condjump_p before calling
193 (cse_basic_block): Check any_condjump_p before calling
195 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
197 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
199 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
200 -ffixed-line-length-* options.
202 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
204 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
205 (fprem1xf4): Rename to fprem1xf4_i387.
207 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
208 Rename patterns to fmod<mode>3. Use general_operand operand
209 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
210 patterns for SSE math.
211 (remaindersf3, remainderdf3): Ditto.
213 2006-11-25 Joseph Myers <joseph@codesourcery.com>
215 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
216 inside start_sequence / end_sequence pair.
218 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
220 * jump.c (mark_all_labels): Work in cfglayout mode.
221 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
222 when in cfglayout mode, because there are no dead jumptables
224 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
226 (commit_edge_insertions): Do not allow insertion of instructions
227 with control flow insns when in cfglayout mode.
229 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
231 * tree-vrp.c (execute_vrp): Do not pass loops structure through
233 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
234 unswitch_loop): Ditto.
235 * tree-loop-linear.c (linear_transform_loops): Ditto.
236 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
237 tree_ssa_lim): Ditto.
238 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
239 free_numbers_of_iterations_estimates): Ditto.
240 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
241 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
242 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
243 remove_path, add_loop, loopify, unloop, fix_loop_placements,
244 place_new_loop, duplicate_loop, duplicate_subloops,
245 update_single_exit_for_duplicated_loops, copy_loops_to,
246 duplicate_loop_to_header_edge, create_preheaders,
247 force_single_succ_latches, loop_version, fix_loop_structure):
249 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
250 tree_unroll_loop): Ditto.
251 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
252 * tree-scalar-evolution.c (select_loops_exit_conditions,
253 scev_initialize, scev_analysis): Ditto.
254 * tree-scalar-evolution.h (scev_initialize): Ditto.
255 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
256 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
257 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
258 * modulo-sched.c (sms_schedule): Ditto.
259 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
260 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
261 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
262 * ifcvt.c (if_convert): Ditto.
263 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
264 canonicalize_loop_induction_variables,
265 canonicalize_induction_variables,
266 tree_unroll_loops_completely, remove_empty_loops): Ditto.
267 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
268 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
269 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
270 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
271 tree_ssa_loop_done): Ditto.
272 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
273 estimate_bb_frequencies): Ditto.
274 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
275 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
276 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
277 decide_unrolling_and_peeling, peel_loop_completely,
278 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
279 peel_loop_simple, unroll_loop_stupid): Ditto.
280 * loop-doloop.c (doloop_optimize_loops): Ditto.
281 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
282 * loop-invariant.c (move_loop_invariants): Ditto.
283 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
284 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
285 tree_ssa_prefetch_arrays): Ditto.
286 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
288 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
289 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
290 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
291 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
292 verify_loop_structure): Ditto.
293 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
294 canonicalize_induction_variables, tree_unroll_loops_completely,
295 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
296 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
297 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
298 tree_unroll_loop, linear_transform_loops): Declaration changed.
299 * basic-block.h: Remove declaration of struct loops.
300 * cfghooks.h (struct cfg_hooks): Change type of
301 cfg_hook_duplicate_loop_to_header_edge.
302 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
303 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
304 vect_transform_loop): Declaration changed.
305 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
306 * cfgloop.h (flow_loops_dump, fix_loop_structure,
307 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
308 cancel_loop_tree, create_preheaders, force_single_succ_latches,
309 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
310 loopify, loop_version, remove_path, unswitch_loops,
311 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
314 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
316 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
317 (X87MODEF): New mode macro.
318 (ssemodefsuffix): New mode attribute.
319 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
320 (sqrt_extend<mode>xf2_i387): New insn pattern.
321 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
322 insn and truncate result back to original mode using
323 UNSPEC_TRUNC_NOOP truncation.
324 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
325 ssemodefsuffix mode attribute.
326 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
327 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
328 (*sqrtextenddfxf2_i387): Remove insn patterns.
330 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
333 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
335 2006-11-24 Jakub Jelinek <jakub@redhat.com>
338 * c-tree.h (c_maybe_initialize_eh): New prototype.
339 * c-decl.c (finish_decl): Move EH initialization...
340 (c_maybe_initialize_eh): ... here. New function.
341 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
342 if not #pragma omp atomic.
345 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
346 or UNION_TYPE inner types.
348 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
351 * ipa-pure-const.c (check_tree): If the original tree
352 is volatile return early and say the function is not pure
353 nor const. Remove the volatile check for writes.
354 (analyze_function): Print out the result of the local
357 2006-11-24 Joseph Myers <joseph@codesourcery.com>
359 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
361 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
362 * config/rs6000/rs6000.c (rs6000_override_options): Use
363 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
366 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
368 * config/s390.c (s390_emit_compare_and_swap): New function.
369 (s390_expand_cs_hqi, s390_expand_atomic): Call
370 s390_emit_compare_and_swap.
372 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
374 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
376 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
380 * c-common.c (conversion_warning): New.
381 (convert_and_check): Call conversion_warning unless there is an
383 * doc/invoke.texi (-Wconversion): Update description.
385 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
387 * tree-ssa-alias.c (tree_pointer_compare): New function.
388 (compact_name_tags): New function.
389 (group_aliases): Call compact_name_tags.
391 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
393 * real.h (real_isinteger): Declare.
394 * real.c (real_isinteger): Define.
395 * builtins.c (integer_valued_real_p): Use it.
397 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
400 * c.opt (Wtraditional-conversion): New.
401 (Wconversion): Update description.
402 * c-typeck.c (convert_arguments): Warnings for prototypes causing
403 type conversions different from what would happen in the absence
404 of prototype are now handled by Wtraditional-conversion.
405 * doc/invoke.texi (Wtraditional-conversion): New.
406 (Wconversion): Update description.
407 * doc/trouble.texi (Wconversion): Replace Wconversion by
408 Wtraditional-conversion.
410 2006-11-23 Andrew Pinski <pinskia@gmail.com>
412 * predict.c (tree_estimate_probability): Check to make
413 sure current_loops is non null before calling flow_loops_dump.
415 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
417 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
419 2006-11-23 David Ung <davidu@mips.com>
421 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
423 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
424 (ASM_SPEC): Pass along -mfp32 and -mfp64.
425 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
426 high part of FP register when in 64-bit FP register mode. Similarly
427 use gen_mfhc1 to load high part of FP register.
428 (override_options): Allow -mgp32 and -mfp64 combination if
429 ISA_HAS_MXHC1 (currently for O32 only).
430 (mips_cannot_change_mode_class): If floating-point registers are
431 bigger than word size. disallow conversion of float register from a
432 large integer mode to a float mode smaller than the float register
434 (mips_class_max_nregs): Handle float registers case seperately.
435 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
437 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
438 (movdf_hardfloat_32bit): Similarly.
439 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
440 support a full 64-bit fpu.
441 (mthc1): New pattern to generate MTHC1 instruction.
442 (mfhc1): New pattern to generate MFHC1 instruction.
443 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
444 option for the MIPS32R2 and mention its use under O32 ABI.
446 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
448 * var-tracking.c (emit_note_insn_var_location): Take care not to
449 cause verify_flow_info failures.
451 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
453 * tree-ssa-structalias.c: Remove edge weights in favor of just
454 processing them as complex constraints.
455 (struct constraint_graph): Remove weighted succs and preds. Rename
456 nonweighted succs and preds.
457 (constraint_edge): Removed.
458 (constraint_edge_t): Ditto.
459 (constraint_edge_pool): Ditto.
460 (new_constraint_edge): Ditto.
461 (constraint_edge_equal): Ditto.
462 (constraint_edge_less): Ditto.
463 (constraint_edge_vec_find): Ditto.
464 (erase_self_graph_edge): Ditto.
465 (add_graph_edge): Removed.
466 (get_graph_weights): Ditto.
467 (allocate_graph_weights): Ditto.
468 (valid_weighted_graph_edge): Ditto
469 (bitmap_other_than_zero_bit_set): Ditto.
470 (int_add_graph_edge): Renamed to add_graph_edge.
471 (clear_edges_for_node): Remove support for weighted edges.
472 (merge_graph_nodes): Ditto.
473 (valid_graph_edge): Ditto.
474 (build_constraint_graph): Ditto.
476 (collapse_nodes): Ditto.
477 (process_unification_queue): Ditto.
479 (do_ds_constraint): Ditto.
480 (perform_var_subsitution): Ditto.
481 (solve_graph): Ditto.
482 (init_alias_vars): Ditto.
483 (delete_points_to_sets): Ditto.
484 (do_complex_constraint): Support offsetted copies here.
486 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
488 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
490 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
492 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
495 2006-11-23 Ben Elliston <bje@au.ibm.com>
497 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
499 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
501 PR tree-optimization/29921
502 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
503 signed and unsigned zero equal.
505 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
507 * config/rs6000/rs6000.c (get_store_dest): New.
508 (adjacent_mem_locations): Use get_store_dest() to get
509 the rtl of the store destination.
511 2006-11-22 Joseph Myers <joseph@codesourcery.com>
513 * config/rs6000/spe.md (SPE64): New mode macro.
514 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
516 (mov_si<mode>_e500_subreg0_2): New.
517 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
519 (mov_si<mode>_e500_subreg4_2): New.
520 * config/rs6000/predicates.md (input_operand): Do not allow
521 invalid E500 subregs.
522 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
524 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
525 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
526 involving vector modes if TARGET_SPE.
528 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
531 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
532 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
534 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
536 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
537 mem_i_address_operand): New predicates.
538 * config/bfin/bfin.c (bfin_issue_rate): New function.
539 (TARGET_SCHED_ISSUE_RATE): New macro.
540 * config/bfin/bfin.md (addrtype): New attribute.
541 (slot0, slot1, slot2, store, pregs): New cpu_units.
542 (core): Now a define_reservation.
543 (alu): Remove some insn types from this reservation.
544 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
546 (dummy reservation): Don't trigger for mcld insns.
547 (absence_sets): Two new absence sets to enforce slot ordering.
548 (popsi_insn): Set addrtype.
550 2006-11-22 Ira Rosen <irar@il.ibm.com>
552 * doc/c-tree.texi: Document new tree codes.
553 * doc/md.texi: Document new optabs.
554 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
556 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
557 * optabs.h (optab_index): Add new.
558 (vec_extract_even_optab, vec_extract_odd_optab,
559 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
560 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
561 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
563 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
564 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
565 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
566 along with macros for their access.
567 * tree-data-ref.h (first_location_in_loop, data_reference): Update
569 * tree-vect-analyze.c (toplev.h): Include.
570 (vect_determine_vectorization_factor): Fix indentation.
571 (vect_insert_into_interleaving_chain,
572 vect_update_interleaving_chain, vect_equal_offsets): New functions.
573 (vect_analyze_data_ref_dependence): Add argument for interleaving
574 check. Check for interleaving if it's true.
575 (vect_check_dependences): New function.
576 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
577 every ddr. Call vect_analyze_data_ref_dependence with new argument.
578 (vect_update_misalignment_for_peel): Update for interleaving.
579 (vect_verify_datarefs_alignment): Check only first data-ref for
581 (vect_enhance_data_refs_alignment): Update for interleaving. Check
582 only first data-ref for interleaving.
583 (vect_analyze_data_ref_access): Check interleaving, update
585 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
586 with different parameters.
587 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
588 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
589 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
590 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
591 Update step in case of interleaving.
592 (vect_strided_store_supported, vect_permute_store_chain): New
594 (vectorizable_store): Handle strided stores.
595 (vect_strided_load_supported, vect_permute_load_chain,
596 vect_transform_strided_load): New functions.
597 (vectorizable_load): Handle strided loads.
598 (vect_transform_stmt): Add argument. Handle strided stores. Check
599 that vectorized stmt exists for patterns.
600 (vect_gen_niters_for_prolog_loop): Update calculation for
602 (vect_transform_loop): Remove stmt_vec_info for strided stores after
603 whole chain vectorization.
604 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
605 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
606 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
607 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
608 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
610 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
612 * cse.c (enum taken): Remove PATH_AROUND.
613 (addr_affects_sp_p, invalidate_skipped_set,
614 invalidate_skipped_block): Remove.
615 (cse_end_of_basic_block): Remove skip_blocks and related code.
616 (cse_main): Don't test for flag_cse_skip_blocks.
617 Update cse_end_of_basic_block call.
618 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
619 code to lengthen the path if a jump was simplified.
621 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
623 PR rtl-optimization/29924
624 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
625 (unroll_loop_runtime_iterations): Assert that the argument passed to
626 split_edge_and_insert is not NULL.
627 * loop-doloop.c (add_test): Ditto.
629 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
631 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
633 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
634 * cfgloopmanip.c (update_single_exits_after_duplication,
635 update_single_exit_for_duplicated_loop, loop_version): Ditto.
636 * tree-scalar-evolution.c (get_loop_exit_condition,
637 get_exit_conditions_rec, loop_closed_phi_def,
638 number_of_iterations_in_loop, scev_const_prop): Ditto.
639 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
640 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
642 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
644 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
645 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
646 slpeel_make_loop_iterate_ntimes,
647 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
648 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
650 * tree-if-conv.c (if_convertible_loop_p): Ditto.
651 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
652 vect_analyze_loop_form): Ditto.
653 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
654 can_convert_to_perfect_nest, perfect_nestify): Ditto.
655 * tree-vect-transform.c (vect_create_epilog_for_reduction,
656 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
657 vect_transform_loop): Ditto.
658 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
659 (single_exit, set_single_exit): New functions.
660 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
661 (single_exit, set_single_exit): Declare.
662 * doc/loop.texi: Undocument single_exit field. Document single_exit
665 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
667 PR tree-optimization/29902
668 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
669 any involved ssa name appears in abnormal phi node.
671 2006-11-21 Bob Wilson <bob.wilson@acm.org>
673 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
674 (xtensa_const_ok_for_letter_p): Delete.
675 (xtensa_extra_constraint): Delete.
676 (override_options): Delete xtensa_char_to_class initialization.
677 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
678 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
679 (EXTRA_CONSTRAINT): Delete.
680 * config/xtensa/xtensa.md: Include constraints.md.
681 (call_internal): Combine alternatives.
682 (call_value_internal): Likewise, and remove invalid constraints.
683 * config/xtensa/constraints.md: New file.
684 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
685 (xtensa_extra_constraint): Delete.
686 * doc/md.texi (Machine Constraints): Refer to constraints.md for
689 2006-11-21 Janis Johnson <janis187@us.ibm.com>
691 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
692 of conversion that doesn't fit.
694 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
695 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
696 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
698 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
700 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
702 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
704 2006-11-21 Richard Guenther <rguenther@suse.de>
706 * tree-vectorizer.h (NUM_PATTERNS): Increase.
707 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
708 vect_recog_pow_pattern.
709 (vect_recog_pow_pattern): New function.
711 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
713 * config/bfin/bfin.opt (mstack-check-l1): New.
714 * doc/invoke.texi (Blackfin Options): Document it.
715 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
716 stack bounds in L1 memory if the new option is enabled.
717 (override_options): Don't allow combinations of -fstack-limit and
719 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
722 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
724 (bfin_register_move_cost): Bump costs if trying to move plain
725 integer values through accumulators.
727 2006-11-21 Ben Elliston <bje@au.ibm.com>
729 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
731 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
732 Russell Olsen <Russell_Olsen@playstation.sony.com>
733 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
734 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
735 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
736 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
737 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
739 * config.gcc: Add target for SPU.
740 * config/spu/constraints.md: New file.
741 * config/spu/crt0.c: New file.
742 * config/spu/crtend.c: New file.
743 * config/spu/crti.asm: New file.
744 * config/spu/crtn.asm: New file.
745 * config/spu/float_unsdidf.c: New file.
746 * config/spu/float_unssidf.c: New file.
747 * config/spu/predicates.md: New file.
748 * config/spu/spu-builtins.def: New file.
749 * config/spu/spu-builtins.h: New file.
750 * config/spu/spu-builtins.md: New file.
751 * config/spu/spu-c.c: New file.
752 * config/spu/spu-elf.h: New file.
753 * config/spu/spu-modes.def: New file.
754 * config/spu/spu-protos.h: New file.
755 * config/spu/spu.c: New file.
756 * config/spu/spu.h: New file.
757 * config/spu/spu.md: New file.
758 * config/spu/spu.opt: New file.
759 * config/spu/spu_internals.h: New file.
760 * config/spu/spu_intrinsics.h: New file.
761 * config/spu/spu_mfcio.h: New file.
762 * config/spu/t-spu-elf: New file.
763 * config/spu/vec_types.h: New file.
764 * config/spu/vmx2spu.h: New file.
765 * doc/contrib.texi: Document SPU contributor.
766 * doc/extend.texi: Document SPU extensions.
767 * doc/invoke.texi: Document SPU options.
768 * doc/md.texi: Document SPU constraints.
770 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
772 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
774 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
776 (flow_loop_dump): Do not dump loop level.
777 (flow_loops_find): Do not call flow_loops_level_compute.
778 * cfgloop.h (struct loop): Remove level field.
780 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
782 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
783 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
784 Use vector of edges instead of array.
785 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
786 estimate_numbers_of_iterations_loop): Ditto.
787 * predict.c (predict_loops): Ditto.
788 * loop-unroll.c (analyze_insns_in_loop): Ditto.
789 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
791 * basic-block.h: Declare heap allocation for edge vectors.
792 * tree-outof-ssa.c: Ditto.
793 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
794 * cfgloop.h (get_loop_exit_edges): Declaration changed.
796 2006-11-20 Zack Weinberg <zackw@panix.com>
798 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
799 Add another out parameter, "skip".
800 (set_gc_used_type): Adjust calls to process_gc_options. If a field
801 is tagged "skip", do not mark its type used.
803 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
806 * tree-sra.c (single_scalar_field_in_record_p): New function.
807 (decide_block_copy): Use it.
809 2006-11-20 David Daney <ddaney@avtrex.com>
811 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
812 PC to point to following instruction.
814 2006-11-20 Anatoly Sokolov <aesok@post.ru>
818 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
820 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
822 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
824 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
825 Add sh/superh.h to tm_file.
827 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
828 Mark Mitchell <mark@codesourcery.com>
830 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
832 (cpp_relocated): New function.
833 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
835 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
836 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
837 replace configured prefix with gcc_exec_prefix.
839 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
841 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
842 bfin_legitimate_constant_p.
843 * config/bfin/bfin.md (movsi expander): Check return value of
845 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
846 (expand_move): Adjust prototype.
847 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
848 invalid constants specially.
849 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
851 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
853 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
854 sibcall_value_symbol): Allow these patterns if
855 TARGET_LEAF_ID_SHARED_LIBRARY.
856 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
857 (override_options): Turn on id shared library flags if -msep-data,
858 but disallow the combination of these options on the command line.
859 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
860 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
861 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
863 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
864 * doc/invoke.texi (Blackfin Options): Document new switches.
866 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
867 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
869 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
870 inflate costs for addresses with an out-of-bounds address.
872 2006-11-19 Andrew Pinski <pinskia@gmail.com>
875 * fwprop.c (loops): Remove.
876 (forward_propagate_into): Use current_loops instead of
878 (fwprop_init): Call loop_optimizer_init instead of
880 (fwprop_done): Call loop_optimizer_finalize instead of
882 (fwprop): Use current_loops instead of loops.
884 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
887 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
889 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
892 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
893 larger than BITS_PER_WORD.
895 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
899 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
900 to MAX_FIXED_MODE_SIZE.
902 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
904 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
905 (fold_builtin_fmin_fmax): New.
906 (fold_builtin_1): Use it.
908 * fold-const.c (fold_strip_sign_ops): Handle copysign.
910 2006-11-18 Richard Guenther <rguenther@suse.de>
912 * config/i386/i386.c (ix86_builtins): New array for ix86
913 builtin function decls.
914 (def_builtin): New function.
915 (def_builtin_const): Likewise.
916 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
918 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
920 * doc/invoke.texi (core2): Add item.
922 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
924 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
925 (TARGET_CPU_DEFAULT_generic): Change value.
926 (TARGET_CPU_DEFAULT_NAMES): Add core2.
927 (processor_type): Add new constant PROCESSOR_CORE2.
929 * config/i386/i386.md (cpu): Add core2.
931 * config/i386/i386.c (core2_cost): New initialized variable.
932 (m_CORE2): New macro.
933 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
934 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
935 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
936 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
937 x86_partial_reg_dependency, x86_memory_mismatch_stall,
938 x86_accumulate_outgoing_args, x86_prologue_using_move,
939 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
940 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
941 x86_use_incdec, x86_four_jump_limit, x86_schedule,
942 x86_pad_returns): Add m_CORE2.
943 (override_options): Add entries for Core2.
944 (ix86_issue_rate): Add case for Core2.
946 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
948 * doc/invoke.texi: Fix mno-isel typo.
950 2006-11-18 Joseph Myers <joseph@codesourcery.com>
952 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
953 easy vector constant loads.
955 2006-11-18 Joseph Myers <joseph@codesourcery.com>
957 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
958 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
959 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
960 * config/rs6000/sync.md (lwsync): Emit plain sync if
963 2006-11-17 DJ Delorie <dj@redhat.com>
965 * reload1.c (reloads_unique_chain): New.
966 (reloads_conflict): Call it.
968 2006-11-17 Bob Wilson <bob.wilson@acm.org>
970 * config/xtensa/predicates.md (addsubx_operand): New.
971 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
972 (xtensa_emit_bit_branch): New.
973 (xtensa_emit_movcc): New.
974 * config/xtensa/xtensa.md (any_minmax): New code macro.
975 (minmax): New code attribute.
976 (any_cond, any_scc, any_scc_sf): New code macros.
977 (*addx2, *addx4, *addx8): Delete.
979 (*subx2, *subx4, *subx8): Delete.
981 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
982 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
983 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
984 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
985 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
986 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
987 (movsfcc_internal0, movsfcc_internal1): Likewise.
988 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
989 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
990 (xtensa_emit_bit_branch): New.
991 (xtensa_emit_movcc): New.
992 (function_arg_boundary): Add missing prototype.
994 2006-11-17 Bob Wilson <bob.wilson@acm.org>
996 * config/xtensa/xtensa.md (tstsi): Delete
998 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1000 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1002 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1004 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1006 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1008 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1010 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1012 * tree-vrp.c (execute_vrp): Do not update current_loops.
1013 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1014 * doc/loop.texi: Remove documentation for cancelled functions.
1015 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1016 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1018 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1019 (remove_path): Ensure that in delete_basic_blocks, the loops
1020 are still allocated.
1021 (add_loop): Work on valid loop structures.
1022 (loopify): Modify call of add_loop.
1023 (mfb_update_loops): Removed.
1024 (create_preheader): Do not update loops explicitly.
1025 (force_single_succ_latches, loop_version): Do not use
1026 loop_split_edge_with.
1027 (loop_split_edge_with): Removed.
1028 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1029 Do not use bsi_insert_on_edge_immediate_loop.
1030 (split_loop_exit_edge, tree_unroll_loop): Do not use
1031 loop_split_edge_with.
1032 (bsi_insert_on_edge_immediate_loop): Removed.
1033 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1034 use loop_split_edge_with.
1035 * cfghooks.c: Include cfgloop.h.
1036 (verify_flow_info): Verify that loop_father is filled iff current_loops
1038 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1039 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1041 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1043 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1044 loop_split_edge_with.
1045 (sms_schedule): Use current_loops.
1046 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1047 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1049 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1050 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1051 * ifcvt.c (if_convert): Ditto.
1052 * predict.c (predict_loops): Do not clear current_loops.
1053 (tree_estimate_probability): Use current_loops.
1054 (propagate_freq): Receive head of the region to propagate instead of
1056 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1057 (estimate_loops): New function. Handle case current_loops == NULL.
1058 (estimate_bb_frequencies): Do not allocate tovisit. Use
1060 * tree-ssa-loop.c (current_loops): Removed.
1061 (tree_loop_optimizer_init): Do not return loops.
1062 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1063 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1064 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1065 Do not update loops explicitly.
1066 * function.h (struct function): Add x_current_loops field.
1067 (current_loops): New macro.
1068 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1069 * loop-unroll.c (split_edge_and_insert): New function.
1070 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1071 use loop_split_edge_with.
1072 * loop-doloop.c (add_test, doloop_modify): Ditto.
1073 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1074 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1075 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1076 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1078 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1079 (flow_loops_free): Do not free dfs_order and rc_order.
1080 (flow_loops_find): Do not set dfs_order and rc_order in loops
1081 structure. Do not call loops and flow info verification.
1082 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1083 already belongs to some loop.
1084 * cfgloop.h (struct loops): Remove struct cfg.
1085 (current_loops, loop_split_edge_with): Declaration removed.
1086 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1087 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1088 Declaration removed.
1089 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1090 * basic-block.h (split_edge_and_insert): Declare.
1091 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1093 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1095 PR tree-optimization/29801
1096 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1097 (get_default_value): Use get_symbol_constant_value.
1098 (set_lattice_value): ICE when the value of the constant is
1100 (visit_assignment): Ignore VDEFs of read-only variables.
1102 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1104 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1106 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1107 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1109 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1111 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1112 select subvars of var.
1114 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1117 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1118 optimize if DEF doesn't have integral type.
1120 2006-11-16 Mike Stump <mrs@apple.com>
1122 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1123 pre-darwin9 system, unless the user asks for it directly.
1124 (PREFERRED_DEBUGGING_TYPE): Likewise.
1125 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1126 * config.gcc: Add suppport for darwin9.h.
1127 * config/darwin9.h: Add.
1128 * doc/install.texi (Specific): Clarify darwin documentation.
1130 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1132 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1133 optimizing for size.
1135 2006-11-16 Mike Stump <mrs@apple.com>
1137 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1139 2006-11-16 Dirk Mueller <dmueller@suse.de>
1141 * tree-vrp.c (get_value_range): Use XCNEW instead
1143 (insert_range_assertions): Use XCNEWVEC instead
1144 of XNEWVEC and memset.
1145 (vrp_initialize): Same.
1146 (vrp_finalize): Same.
1147 * tree-ssa-ccp.c (ccp_initialize): Same.
1148 * predict.c (tree_bb_level_predictions): Same.
1149 * calls.c (expand_call): Same.
1150 * tree-ssa-copy.c (init_copy_prop): Same.
1151 (fini_copy_prop): Same.
1152 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1153 of GGC_NEW and memset.
1155 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1158 * gimplify.c (gimplify_expr): Only force a load for references to
1159 non-BLKmode volatile values.
1160 * doc/implement-c.texi (Qualifiers implementation): Document the
1161 interpretation of what a volatile access is.
1162 * doc/extend.texi (C++ Extensions): Rework same documentation.
1164 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1166 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1169 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1171 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1173 (arm_neg_abssi2): Renamed from neg_abssi2.
1174 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1176 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1178 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1179 number of arguments passed to local functions in SSE registers is 3.
1181 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1182 number of arguments passed in SSE registers to 3.
1184 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1187 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1189 (get_last_bb_insn): ... new global function.
1190 (basic_block.h): Declare it.
1191 * haifa-sched.c (create_recovery_block): Use it.
1193 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1196 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1198 2006-11-15 Paul Brook <paul@codesourcery.com>
1200 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1201 _Unwind_GetTextRelBase): Move from here ...
1202 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1203 _Unwind_GetTextRelBase): ... To here.
1205 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1207 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1208 addresses we generate for testing are aligned.
1210 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1213 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1214 to what is the const decl is a place holder for.
1216 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1218 * config/i386/i386.opt: New target option -mx87regparm.
1220 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1221 and float_in_x87 variables. mmx_words, sse_words: Remove.
1222 (X87_REGPARM_MAX): Define.
1224 * config/i386/i386.c (override_options): Error out for
1225 -mx87regparm but no 80387 support.
1226 (ix86_attribute_table): Add x87regparm.
1227 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1228 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1229 (ix86_function_x87regparm): New function.
1230 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1232 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1234 (function_arg_advance): Process x87_nregs and x87_regno when
1235 floating point argument is to be passed in 80387 register.
1236 (function_arg): Pass XFmode arguments in 80387 registers for local
1237 functions. Pass SFmode and DFmode arguments to local functions
1238 in 80387 registers when flag_unsafe_math_optimizations is set.
1240 * reg-stack.c (convert_regs_entry): Disable NaN load for
1241 stack registers that are used for argument passing.
1243 * doc/extend.texi: Document x87regparm function attribute.
1244 * doc/invoke.texi: Document -mx87regparm.
1246 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1248 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1249 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1250 arg MODE; all callers changed. Use it to determine validity per
1251 machine mode instead of using Pmode for all memory references.
1252 (get_address_cost): Likewise add and use new arg MEM_MODE.
1254 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1255 J"orn Rennecke <joern.rennecke@st.com>
1257 * combine.c (likely_spilled_retval_1): Fix masking operation.
1258 (likely_spilled_retval_p): Use proper pattern for call to
1259 likely_spilled_retval_1.
1261 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1263 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1265 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1266 that tests for CONSTANT_POOL_ADDRESS_P.
1268 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1270 PR tree-optimization/29581
1271 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1272 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1273 type is different between Y and USE, create a temporary
1274 variable, initialize it at the beginning of the body bb
1275 and use it as replacement instead of Y.
1277 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1280 * gimplify.c (fold_indirect_ref_rhs): Use
1281 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1283 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1285 * expmed.c (emit_store_flag_1): New function.
1286 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1288 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1289 Use do_compare_rtx_and_jump.
1290 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1291 * arm.md (cstoresi4): New define_expand.
1292 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1293 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1294 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1296 2006-11-14 Caroline Tice <ctice@apple.com>
1298 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1299 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1301 (pubname_table): Redefine as a vector.
1302 (pubtype_table): New static global variable, defined as a vector.
1303 (pubname_table_allocated): Remove static global variable.
1304 (pubname_table_in_use): Remove static global variable.
1305 (PUBNAME_TABLE_INCREMENT): Remove constant.
1306 (size_of_pubnames): Add parameter to deal with either pubnames or
1307 pubtypes, and change code to deal with table being a vector.
1308 (add_pubname): Change to deal with table being a vector.
1309 (add_pubtype): New function.
1310 (output_pubnames): Add parameter to deal with either pubnames or
1311 pubtypes, and change code to deal with table being a vector.
1312 (gen_array_type_die): Add call to add_pubtype.
1313 (gen_enumeration_type_die): Add call to add_pubtype.
1314 (gen_struct_or_union_type_die): Add call to add_pubtype.
1315 (gen_subroutine_type_die): Add call to add_pubtype.
1316 (gen_typedef_die): Add call to add_pubtype.
1317 (dwarf2out_init): Add code to initialize pubname_table and
1318 pubtype_table vectors; also initialize debug_pubtypes_section.
1319 (prune_unused_types): Change to deal with pubnames being a vector.
1320 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1321 pubnames table to call to output_pubnames; Add code to output pubtypes
1322 table if DEBUG_PUBTYPES_SECTION is defined.
1323 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1325 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1327 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1329 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1330 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1331 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1332 movv2si_internal): Support moves between core registers.
1334 2006-11-14 Eric Christopher <echristo@apple.com>
1336 * configure: Regenerate with autoconf 2.59.
1338 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1340 Fix PR tree-optimization/27755
1342 * tree-ssa-pre.c: Update comments.
1343 (bb_bitmap_sets): Add pa_in and deferred member.
1344 (BB_DEFERRED): New macro.
1345 (maximal_set): New variable.
1346 (pre_stats): Add pa_insert member.
1347 (bitmap_set_and): Short circuit orig == dest.
1348 (bitmap_set_subtract_values): New function.
1349 (bitmap_set_contains_expr): Ditto.
1350 (translate_vuses_through_block): Add phiblock argument.
1351 (dependent_clean): New function.
1352 (compute_antic_aux): Update for maximal_set changes.
1353 (compute_partial_antic_aux): New function.
1354 (compute_antic): Handle partial anticipation.
1355 (do_partial_partial_insertion): New function.
1356 (insert_aux): Handle partial anticipation.
1357 (add_to_sets): Add to maximal set.
1358 (compute_avail): Ditto.
1359 (init_pre): Initialize maximal_set.
1360 (execute_pre): Do partial anticipation if -O3+.
1362 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1364 PR rtl-optimization/29798
1366 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1367 TARGET_INSN before any other check.
1368 (fwprop_init): Always calculate dominators.
1369 (fwprop_done): Always free them.
1371 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1373 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1376 2006-11-13 DJ Delorie <dj@redhat.com>
1378 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1379 temporary for intermediates.
1381 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1383 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1384 (sh_optimize_target_register_callee_saved): #if 0 the code
1385 using NOTE_INSN_LOOP_{BEG,END}.
1387 2006-11-13 Roger Sayle <roger@eyesopen.com>
1389 * fold-const.c (optimize_bit_field_compare): Recursively call
1390 fold when simplifying non-constant comparisons between bit-fields.
1392 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1394 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1396 * configure: Rebuilt.
1398 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1400 * config/rs6000/cell.md: New file.
1401 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1403 (ppccell_cost): New cost matrix.
1404 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1405 (rs6000_override_options): Set rs6000_always_hint to false
1406 for cell. Also align functions/lables/loops to 8byte
1407 for the Cell. Use PROCESSOR_CELL.
1408 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1409 using_mtcr_multiple.
1410 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1411 on the Cell, return 0.
1412 (rs6000_adjust_cost): Add Cell cost adjustments.
1413 (is_microcoded_insn): Return true for Cell microcoded
1415 (is_nonpipeline_insn): New function.
1416 (rs6000_issue_rate): Add PROCESSOR_CELL.
1417 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1419 (rs6000_use_sched_lookahead_guard): New function.
1420 (rs6000_sched_reorder): Reorder the ready list, if the second
1421 to last ready insn is a nonepipeline insn on the Cell.
1422 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1423 (ASM_CPU_SPEC): Add Cell.
1424 * config/rs6000/rs6000.md (cpu): Add Cell.
1425 (cell_micro): New Attr.
1428 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1430 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1432 * configure: Rebuilt.
1434 2006-11-13 Richard Guenther <rguenther@suse.de>
1436 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1438 (ix86_expand_lfloorceil): Likewise.
1439 (ix86_expand_rint): Likewise.
1440 (ix86_expand_floorceildf_32): Likewise.
1441 (ix86_expand_floorceil): Likewise.
1442 (ix86_expand_rounddf_32): Likewise.
1443 (ix86_expand_truncdf_32): Likewise.
1444 (ix86_expand_round): Likewise.
1446 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1447 Mark Mitchell <mark@codesourcery.com>
1449 * gcc.c: Organize search path variables into $prefix relative,
1450 and well-known native. Add comments.
1451 (add_sysrooted_prefix): Add comment.
1452 (process_command): If !gcc_exec_prefix add $prefix based paths.
1453 If *cross_compile == '0', add native well-known paths.
1454 Assert tooldir_base_prefix is always relative.
1455 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1456 use this value for 'install:' path.
1457 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1459 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1461 * config/i386/i386.c: Fix a typo in comment.
1463 2006-11-13 Michael Matz <matz@suse.de>
1465 * genemit.c (gen_expand): Allocate enough memory.
1467 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1469 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1470 __GXX_TYPEINFO_EQUALITY_INLINE but not
1471 __GXX_MERGED_TYPEINFO_NAMES.
1472 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1473 __GXX_MERGED_TYPEINFO_NAMES.
1474 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1475 __GXX_TYPEINFO_EQUALITY_INLINE.
1477 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1478 Zdenek Dvorak <dvorakz@suse.cz>
1480 PR tree-optimization/29680
1481 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1484 2006-11-12 Jason Merrill <jason@redhat.com>
1485 Andrew Pinski <pinskia@physics.uc.edu>
1488 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1490 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1492 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1493 * tree.c (build_vector): Handle non-_CST elements.
1495 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1497 * genemit.c (gen_insn): Call gen_exp with a non-null used
1498 when handling multiple insns.
1499 (gen_expand): Likewise.
1500 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1501 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1502 (movsi_const_16bit+1): Copy operands[1].
1503 (call_pcrel): Copy the call_site pattern.
1504 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1506 2006-11-12 Roger Sayle <roger@eyesopen.com>
1508 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1509 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1510 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1511 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1513 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1515 Fix PR tree-optimization/29587
1516 * tree-ssa-structalias.c (process_constraint): Don't
1517 mark address taken due only to escaped vars constraint.
1519 2006-11-12 Michael Matz <matz@suse.de>
1520 Roger Sayle <roger@eyesopen.com>
1522 PR rtl-optimization/29797
1523 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1524 BITS_BIG_ENDIAN targets.
1526 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1528 * builtins.c (fold_builtin_cosh): New.
1529 (fold_builtin_1): Use it.
1530 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1531 trunc to the list of "odd" functions. Also add llrint, lrint,
1532 rint and nearbyint when flag_rounding_math is false.
1534 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1536 * tree-flow.h (name_mappings_registered_p): Declare.
1537 * tree-into-ssa.c (name_mappings_registered_p): New function.
1538 * tree-cfg.c (tree_can_merge_blocks_p): Check
1539 name_mappings_registered_p instead of need_ssa_update_p.
1541 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1543 * tree-ssa-loop.c (tree_vectorize): Return the result of
1545 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1546 if anything changed.
1547 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1548 * tree-flow.h (vectorize_loops): Declaration changed.
1550 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1552 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1554 (issue_prefetch_ref): Move assignment to write_p out of loop.
1555 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1556 SIMULTANEOUS_PREFETCHES into account.
1557 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1558 * lambda-code.c (lcm): Renamed to ...
1559 (least_common_multiple): ... and exported.
1560 * tree-flow.h (least_common_multiple): Declare.
1562 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1564 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1565 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1566 ud-chains. Handle AND_EXPR.
1567 (record_estimate): Record whether the estimate is realistic
1568 and whether it is derived from a loop exit.
1569 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1570 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1572 (compute_estimated_nb_iterations): Take only realistic bounds into
1573 account. Set estimate_state. Use double_ints.
1574 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1575 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1576 that do not have to be always executed.
1577 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1578 to determine whether to call infer_loop_bounds_from_undefined
1579 and compute_estimated_nb_iterations.
1580 (n_of_executions_at_most): Use double_ints.
1581 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1582 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1583 * double-int.c (double_int_to_tree): Improve comment.
1584 (double_int_fits_to_tree_p): New function.
1585 * double-int.h (double_int_fits_to_tree_p): Declare.
1586 * tree-data-ref.c: Include langhooks.h.
1587 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1588 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1589 (analyze_array): Do not pass estimate_only argument to
1590 analyze_array_indexes.
1591 (get_number_of_iters_for_loop): Build tree from the stored double_int
1593 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1594 (find_data_references_in_loop): Use find_data_references_in_stmt.
1595 * tree-data-ref.h (struct data_ref_loc_d): New.
1596 (get_references_in_stmt): Declare.
1597 (estimate_iters_using_array): Declaration removed.
1598 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1599 double_int. Improve comments. Add is_exit and realistic
1601 (struct loop): Changed type of estimated_nb_iterations to double_int.
1602 Added estimate_state field.
1603 (record_estimate): Declaration removed.
1605 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1607 * params.c (set_param_value): Initialize the "set" field.
1608 * params.h (struct param_info): Add "set" field.
1609 (PARAM_SET_P): New macro.
1610 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1611 L1_CACHE_LINE_SIZE): New macros.
1612 * toplev.c (DEFPARAM): Initialize the "set" field.
1613 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1614 SIMULTANEOUS_PREFETCHES): Removed.
1615 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1616 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1617 * config/sparc/sparc.c: Include params.h.
1618 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1619 L1_CACHE_LINE_SIZE parameters.
1620 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1622 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1624 * config/i386/i386.c: Include params.h.
1625 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1626 (override_options): Set SIMULTANEOUS_PREFETCHES and
1627 L1_CACHE_LINE_SIZE parameters.
1628 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1629 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1630 L1_CACHE_LINE_SIZE parameters.
1631 * config/ia64/ia64.c (ia64_optimization_options): Set
1632 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1633 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1635 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1636 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1637 * doc/invoke.texi: Document new params.
1639 2006-11-12 Roger Sayle <roger@eyesopen.com>
1641 PR tree-optimization/13827
1642 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1645 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1647 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1648 update_single_exit_for_duplicated_loops): New functions.
1649 (duplicate_loop_to_header_edge): Use
1650 update_single_exit_for_duplicated_loops.
1651 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1652 functions only with ENABLE_CHECKING.
1654 2006-11-12 Andreas Schwab <schwab@suse.de>
1656 * except.c (sjlj_emit_function_enter): Remove unused variable.
1658 2006-11-11 Roger Sayle <roger@eyesopen.com>
1660 * fold-const.c (int_binop_types_match_p): New function.
1661 (size_binop): Relax constraint that both arguments must both have
1662 exactly the same sizetype type. Instead use int_binop_types_match_p.
1663 (size_diffop): Likewise.
1665 (make_range): Use build_int_cst instead of fold_convert.
1666 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1667 integer constants of the correct type.
1668 (fold_div_compare): Likewise.
1669 (fold_single_bit_test): Likewise.
1670 (fold_binary): Likewise.
1671 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1672 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1674 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1677 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1678 non null value if the struct memory access is in the 0th
1681 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1684 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1685 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1688 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1689 instead of builtin_define for bfin and BFIN.
1691 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1693 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1696 2006-11-11 Jan Hubicka <jh@suse.cz>
1698 * extend.texi (__builtin_expect): We no longer require second argument
1700 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1701 * builtins.c (expand_builtin_expect): Simplify.
1702 (expand_builtin_expect_jump): Kill.
1703 * final.c (final_scan_insn): Do not skip the removed notes.
1704 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1705 EXPECTED_VALUE): Remove.
1706 * dojump.c (do_jump): Do not care about __builtin_expect.
1707 * predict.c (expected_value_to_br_prob): Kill.
1708 * function.c (expand_function_end): Do not expand
1709 NOTE_INSN_REPEATED_LINE_NUMBER.
1710 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1711 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1712 * cfgexpand.c (add_reg_br_prob_note): Export.
1713 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1714 expected_value_to_br_prob.
1715 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1716 * rtl.h (add_reg_br_prob_note): Declare.
1718 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1720 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1722 2006-11-11 Jan Hubicka <jh@suse.cz>
1724 * predict.c (predict_loops): Kill RTL variant.
1726 2006-11-11 Jan Hubicka <jh@suse.cz>
1728 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1729 * modulo-sched.c (find_line_note): Remove.
1730 (loop_canon_p): Do not worry about line number notes.
1731 (sms_schedule): Likewise.
1732 * cse.c (cse_main): Likewise.
1733 * regmove.c (fixup_match_1): Likewise
1734 * function.c (emit_return_info_block): Likewise.
1735 (expand_function_end): Likewise.
1736 (thread_prologue_an_epilogue_insns): Likewise.
1737 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1739 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1740 emit_note_copy_after): Kill.
1741 (emit_note_copy): Do not worry about line numbers.
1742 * jump.c (purge_line_number_notes): Kill.
1743 (pass_purge_lineno_notes): Kill.
1744 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1746 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1747 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1748 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1749 * tree-pass.h (pass_purge_lineno_notes): Kill.
1750 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1751 rm_redundant_line_notes.
1752 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1753 rm_redundant_line_notes.
1754 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1755 * haifa-sched.c: Update comment about handling notes.
1756 (unlink_line_notes): Kill.
1757 (rm_line_notes): Kill.
1758 (save_line_notes): Simplify.
1759 (rm_redundant_line_notes): Kill.
1761 2006-11-11 Richard Guenther <rguenther@suse.de>
1763 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1764 Remove unused tree codes.
1765 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1766 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1767 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1768 * tree.c (stabilize_reference): Likewise.
1769 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1770 fold_unary): Likewise.
1771 * tree-gimple.c (is_gimple_cast): Likewise.
1772 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1773 * expr.c (expand_expr_real_1): Likewise.
1774 * tree-eh.c (tree_could_trap_p): Likewise.
1775 * gimplify.c (gimplify_expr): Likewise.
1776 * tree-inline.c (estimate_num_insns_1): Likewise.
1777 * tree-cfg.c (verify_expr): Likewise.
1779 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1781 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1782 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1783 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1785 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1788 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1789 constraints accept neither registers or memories.
1791 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1793 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1794 (NO_PROFILE_COUNTERS): Define as 1.
1796 2006-11-10 Roger Sayle <roger@eyesopen.com>
1798 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1799 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1801 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1803 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1805 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1807 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1808 (fold_builtin_hypot): Likewise.
1809 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1811 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1813 2006-11-10 Roger Sayle <roger@eyesopen.com>
1815 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1816 when attempting to build INTEGER_CSTs of non-integral types.
1817 * expmed.c (make_tree): Use the correct type, i.e. the inner
1818 type, when constructing the individual elements of a CONST_VECTOR.
1820 2006-11-10 Jan Hubicka <jh@suse.cz>
1822 * cse.c (cse_process_notes): Copy the propagated value.
1823 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1825 * gcse.c (try_replace_reg): Copy the replacement.
1826 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1827 (assign_386_stack_local): Always return copied memory expression
1828 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1831 2006-11-10 Jan Hubicka <jh@suse.cz>
1833 * final.c (final): Walk from first instruction.
1834 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1836 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1839 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1841 (umulv8hi3_highpart): Ditto.
1842 (vec_widen_smult_hi_v8hi): New expander.
1843 (vec_widen_smult_lo_v8hi): Ditto.
1845 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1848 * builtins.c (do_mpfr_arg3): New.
1849 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1851 2006-11-09 Eric Christopher <echristo@apple.com>
1856 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1857 * config.gcc (powerpc64-*-darwin*): New target.
1858 * config.host: Ditto.
1859 * config/rs6000/darwin64.h: New file.
1860 * config/rs6000/x-darwin64: Ditto.
1861 * config/rs6000/host-ppc64-darwin.c: Ditto.
1863 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1865 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1866 routines for integer division.
1868 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1870 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1872 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1875 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1877 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1879 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1880 simplify_subreg with BLKmode outer mode.
1882 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1884 * doc/invoke.texi: Minor formatting fixes in option lists.
1886 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1888 PR tree-optimization/29738
1889 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1890 (ccp_lattice_t): Remove UNKNOWN_VAL.
1891 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1892 Do not handle UNKNOWN_VAL.
1893 (get_default_value): Set initial value of virtual operands to
1895 (get_value): Always use get_default_value on uninitialized
1897 (set_value_varying, surely_varying_stmt_p): New functions.
1898 (set_lattice_value): Do not pass argument to get_value.
1899 Do not handle UNKNOWN_VAL.
1900 (likely_value): Follow the semantics described in the comment.
1901 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1902 phi nodes DONT_SIMULATE_AGAIN.
1903 (ccp_fold): Do not pass argument to get_value.
1904 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1907 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1909 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1910 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1912 2006-11-08 Roger Sayle <roger@eyesopen.com>
1914 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1915 test for inclusion rather than as a test for exclusion.
1916 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1917 the condition after calling fold_binary.
1918 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1919 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1920 * builtins.c (fold_builtin_isascii): Likewise.
1921 (fold_builtin_isdigit): Likewise.
1923 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1925 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1926 * configure: Regenerate.
1928 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1930 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1931 enum argument instead of bool.
1932 (vect_analyze_operations): Call vectorizable_type_promotion.
1933 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1934 stmt_vec_info_type value.
1935 (supportable_widening_operation, vectorizable_type_promotion): New
1936 function declarations.
1937 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1938 (vectorizable_type_promotion): New function.
1939 (vect_transform_stmt): Call vectorizable_type_promotion.
1940 * tree-vect-analyze.c (supportable_widening_operation): New function.
1941 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1943 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1946 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1947 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1948 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1950 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1951 * expr.c (expand_expr_real_1): Likewise.
1952 * optabs.c (optab_for_tree_code): Likewise.
1953 (init_optabs): Initialize new optabs.
1954 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1955 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1956 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1957 vec_unpacku_lo_optab): Initialize new optabs.
1958 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1959 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1960 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1962 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1963 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1964 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1965 (vec_unpacku_lo_optab): New optabs.
1966 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1967 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1968 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1969 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1970 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1971 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1973 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1974 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1975 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1976 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1977 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1978 implement the unsigned unpacking patterns.
1979 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1980 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1981 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1982 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1983 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1984 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
1985 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
1986 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
1987 multiplication patterns.
1989 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
1990 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
1991 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
1992 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
1993 (rs6000_builtin_mul_widen_odd): New.
1994 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
1995 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
1996 * tree-vectorizer.h (enum vect_relevant): New enum type.
1997 (_stmt_vec_info): Field relevant chaned from bool to enum
1999 (STMT_VINFO_RELEVANT_P): Updated.
2000 (STMT_VINFO_RELEVANT): New.
2001 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2002 instead of STMT_VINFO_RELEVANT_P.
2003 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2004 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2005 and boolean variable with enum vect_relevant.
2006 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2007 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2008 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2010 2006-11-08 Richard Henderson <rth@redhat.com>
2012 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2013 vec_widen_umult_lo_v8hi): New.
2014 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2015 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2017 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2018 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2019 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2020 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2021 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2022 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2023 vec_unpacks_lo_v4si): New.
2025 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2027 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2028 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2029 (vect_analyze_operations): Call vectorizable_type_demotion.
2030 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2031 stmt_vec_info_type value.
2032 (vectorizable_type_demotion): New function declaration.
2033 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2036 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2037 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2039 * tree-iniline.c (estimate_num_insns_1): Likewise.
2040 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2041 * optabs.c (optab_for_tree_code): Likewise.
2043 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2044 compared against the predicate of the result is not 'mode' (the input
2045 to the function) but a mode with half the size of 'mode'.
2046 (init_optab): Initialize new optabs.
2047 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2049 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2051 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2052 (vec_pack_usat_optab): Initialize new optabs.
2053 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2054 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2056 2006-11-08 Richard Henderson <rth@redehat.com>
2058 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2059 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2060 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2061 (vec_interleave_highv4si, vec_interleave_lowv4si):
2062 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2064 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2066 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2068 (vect_transform_stmt): Removed redundant code.
2070 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2072 * tree-vect-transform.c (vectorizable_operation): Support multiple
2075 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2077 * tree-vect-transform.c (vect_align_data_ref): Removed.
2078 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2079 Updated function documentation. Return the increment stmt in ptr_incr.
2080 (bump_vector_ptr): New function.
2081 (vect_get_vec_def_for_stmt_copy): New function.
2082 (vect_finish_stmt_generation): Create a stmt_info to newly created
2084 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2086 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2087 VF is greater than the number of elements that can fit in one vector
2089 (vectorizable_operation, vectorizable_condition): Likewise.
2090 (vectorizable_store, vectorizable_load): Support the case that the VF
2091 is greater than the number of elements that can fit in one vector word.
2092 (vect_transform_loop): Don't fail in case of multiple data-types.
2093 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2094 in case of multiple data-types; the smallest type determines the VF.
2095 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2096 if they are of different sizes.
2097 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2098 number of elements rather than number of bytes.
2099 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2100 (vect_can_advance_ivs_p): Fix a dump printout
2102 2006-11-07 Eric Christopher <echristo@apple.com>
2104 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2105 (__bswapsi2): Ditto.
2106 * libgcc2.h: Remove transformation of bswap routines.
2107 * config/i386/i386.md (bswapsi2): New.
2110 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2112 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2113 (handle_gnu_inline_attribute): New function.
2114 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2115 (merge_decls, start_decl, start_function): Likewise.
2116 * doc/extend.texi: Document gnu_inline attribute.
2118 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2121 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2122 _fixunstfdi, and _floatditf
2124 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2126 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2128 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2129 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2130 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2131 which start in an odd register.
2133 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2135 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2137 2006-11-07 Josh Conner <jconner@apple.com>
2139 * doc/invoke.texi (fstrict-aliasing): Move implementation
2141 * doc/tree-ssa.texi (Alias analysis): ...here.
2143 2006-11-07 Richard Guenther <rguenther@suse.de>
2145 PR tree-optimization/29610
2146 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2147 of tree_purge_dead_eh_edges as it may free dominators.
2149 * g++.dg/other/pr29610.C: New testcase.
2151 2006-11-07 David Ung <davidu@mips.com>
2153 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2154 costs when optimizing for size.
2155 (override_options): Use mips_rtx_cost_optimize_size table for cost
2158 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2160 * gcc.c (process_command): Treat -b as normal switch if its argument
2163 2006-11-07 David Ung <davidu@mips.com>
2165 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2168 2006-11-06 Eric Christopher <echristo@apple.com>
2170 * config.gcc: Add x86_64-darwin host support.
2171 * config.host: Ditto.
2172 * config/i386/darwin64.h: New file.
2173 * config/i386/t-darwin64: Ditto.
2175 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2177 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2178 and output-exists-not.
2180 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2183 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2184 checking for overflow.
2186 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2188 * configure.ac: Fixed typo in case statement: :: changed to ;;
2190 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2192 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2193 count_leading_zeros, and count_trailing_zeros.
2194 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2195 (TARGET_FOLD_BUILTIN): Define.
2196 (TARGET_EXPAND_BUILTIN): Define.
2197 (xtensa_init_builtins): New.
2198 (xtensa_fold_builtin): New.
2199 (xtensa_expand_builtin): New.
2200 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2201 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2202 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2203 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2204 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2205 (any_extend): New code macro.
2206 (u, su): New code attributes.
2207 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2208 (nsau): Remove; replaced by clzsi2.
2209 (ffssi2): Use clzsi2.
2210 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2211 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2212 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2213 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2214 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2216 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2218 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2220 * config/arm/t-strongarm-elf: Likewise.
2221 * config/arm/t-pe: Likewise.
2222 * config/arm/t-arm-elf: Likewise.
2223 * config/arm/t-xscale-elf: Likewise.
2224 * config/arm/t-arm-coff: Likewise.
2225 * config/arm/t-xscale-coff: Likewise.
2226 * config/arm/t-wince-pe: Likewise.
2228 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2230 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2233 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2236 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2239 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2242 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2243 as a valid 80387 constant.
2244 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2245 * config/i386/i386.md (unnamed splitter): Split the load of
2246 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2249 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2251 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2252 from the soft-frame, argument and virtual registers.
2254 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2256 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2257 patterns for standard 80387 constants.
2259 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2260 Steven Bosscher <steven@gcc.gnu.org>
2262 * fwprop.c: New file.
2263 * Makefile.in: Add fwprop.o.
2264 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2265 * passes.c (init_optimization_passes): Schedule forward propagation.
2266 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2268 * timevar.def (TV_FWPROP): New.
2269 * common.opt (-fforward-propagate): New.
2270 * opts.c (decode_options): Enable forward propagation at -O2.
2271 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2272 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2273 canon_for_address, table_size): Remove.
2274 (new_basic_block, insert, remove_from_table): Remove references to
2276 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2277 simplification loop more straightforward by not calling fold_rtx
2279 (equiv_constant): Move here a small part of fold_rtx_subreg,
2280 do not call fold_rtx. Call avoid_constant_pool_reference
2282 * recog.h (canonicalize_change_group): New.
2284 * doc/invoke.texi (Optimization Options): Document fwprop.
2285 * doc/passes.texi (RTL passes): Document fwprop.
2287 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2289 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2290 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2291 (grokdeclarator): Likewise.
2293 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2295 * tree-dump.c (dump_enable_all): Rename local variable
2296 ir_type to avoid name conflicts.
2297 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2298 instead of using ir_type().
2299 * profile.c (tree_register_profile_hooks): Likewise.
2300 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2301 * basic-block.h (struct edge_def): Likewise.
2302 * config/arm/arm.c (legitimize_pic_address): Likewise.
2303 * coretypes.h (ir_type): New enum of all intermediate languages
2305 * cfghooks.c (ir_type): Rename to...
2306 (current_ir_type): ...this. Distinguish between cfgrtl and
2307 cfglayout mode when the current IR is RTL. Return enum ir_type.
2308 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2310 2006-11-03 Paul Brook <paul@codesourcery.com>
2312 * config/arm/arm.c (arm_file_start): New function.
2313 (TARGET_ASM_FILE_START): Define.
2314 (arm_default_cpu): New variable.
2315 (arm_override_options): Set arm_default_cpu.
2317 2006-11-03 David Ung <davidu@mips.com>
2319 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2320 PROCESSOR_24KC and PROCESSOR_24KF.
2321 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2322 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2323 (mips_rtx_cost_data): Add costs for the 24kc.
2324 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2325 * config/mips/24k.md: Remove references to 24k and replace with
2326 uses of 24kc/24kf in the appropriate reservations.
2327 * doc/invoke.texi (MIPS Options): Updated.
2329 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2331 * config/sh/crt1.asm: Fix #ifdef indent.
2333 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2334 Merged from STMicroelectronics sources:
2335 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2336 * config/sh/crt1.asm (vbr_600): Add missing #if.
2337 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2338 * sh.opt (mfused-madd): New option.
2339 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2340 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2341 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2342 Remove pointless handler at VBR+0.
2343 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2344 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2345 fr7. Make sure the timer handler is called with the correct FPU
2346 precision setting, according to the ABI.
2347 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2348 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2349 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2350 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2351 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2352 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2353 zero as second operand.
2354 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2355 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2356 Fixed some bugs related to negative values, in particular -0
2357 and overflow at -0x80000000.
2358 * config/sh/divcost-analysis: Added sh4-300 figures.
2359 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2360 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2361 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2362 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2363 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2364 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2366 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2368 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2369 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2370 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2371 mac_mem, mem_mac, dfp_mul, fp_cmp.
2372 (insn_class, dfp_comp, any_fp_comp): Update.
2373 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2374 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2375 (muldf3_i): Likewise.
2376 (movsi_i): Split rI08 alternative into two separate alternatives.
2378 (movsi_ie, movsi_i_lowpart): Likewise.
2379 (movqi_i): Split ri alternative into two separate alternatives.
2381 * sh1.md (sh1_load_store, sh1_fp): Update.
2382 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2383 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2384 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2385 (sh4a_fp_double_arith): Likewise.
2386 * sh4-300.md: New file.
2387 * sh.c (sh_handle_option): Handle m4-300* options.
2388 (sh_adjust_cost): Fix latency of auto-increments.
2389 Handle SH4-300 differently than other SH4s. Check for new insn types.
2390 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2391 been set by an option.
2392 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2393 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2394 (mbranch-cost=): Likewise.
2395 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2397 * sh.md (mulsf3): Remove special expansion code.
2398 (mulsf3_ie): Now a define_insn_and_split.
2399 (macsf3): Allow for TARGET_SH4.
2401 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2402 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2403 (expand_cbranchdi4): Likewise.
2404 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2405 CONST_DOUBLE if the outer code is COMPARE.
2406 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2407 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2408 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2409 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2410 Remove redundant fp_{zero,one}_operand checks.
2411 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2412 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2413 (expand_cbranchdi4): Likewise.
2414 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2415 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2417 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2419 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2422 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2424 * doc/invoke.texi: Fix mfp-trap-mode typo.
2426 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2428 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2429 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2430 file_end_indicate_exec_stack.
2431 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2433 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2434 for a non-executable stack.
2435 * crti.asm: Likewise.
2436 * crtn.asm: Likewise.
2437 * libunwind.S: Likewise.
2439 2006-11-02 Ben Elliston <bje@au.ibm.com>
2441 * tree-ssa.c (warn_uninit): Use expand_location variables for
2442 locus and declaration locus.
2444 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2447 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2448 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2449 cmp{eq,gt,gtu}{si,di}_media.
2450 (*cmpne0si_media): Remove.
2451 (*movsicc_umin): Adjust gen_cmp*_media call.
2452 (unordered): Change the mode of unordered and operands[1] to
2454 (seq): Adjust gen_cmp*_media calls. Make the mode of
2455 a temporary result of compare SImode if needed. If the mode
2456 of operands[0] is DImode, extend the temporary result to DImode.
2457 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2458 (sunorderd): Change the mode of match_operand and unorderd to
2460 (cmpeq{sf,df}_media): Remove.
2461 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2462 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2463 and compare operation to SImode.
2465 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2467 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2469 (sparc64-sun-solaris2*): Likewise.
2471 2006-11-02 Paul Brook <paul@codesourcery.com>
2473 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2474 from priority argument. Use different section for non-default
2476 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2478 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2481 * except.c (switch_to_exception_section): Do not cache the section
2482 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2483 and flag_function_sections is set.
2485 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2488 * builtins.c (do_mpfr_sincos): New.
2489 (fold_builtin_1): Use it to fold builtin sincos.
2491 2006-11-01 Roger Sayle <roger@eyesopen.com>
2493 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2494 it into -D_REENTRANT.
2496 2006-11-01 Roger Sayle <roger@eyesopen.com>
2498 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2499 whether the assembler supports taking the difference of symbols in
2500 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2501 * configure: Regenerate.
2502 * config.in: Regenerate.
2503 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2504 the assembler doesn't support taking the difference of symbols in
2505 different sections, i.e. we're using the native solaris assembler.
2507 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2508 Peter Bergner <bergner@vnet.ibm.com>
2510 * doc/invoke.texi: Add cpu_type power6x
2511 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2512 * config.gcc: Add cpu_type power6x.
2513 * configure.ac: Add test for mf{t,f}gpr instructions.
2514 (HAVE_AS_MFPGPR): New.
2515 * config.in: Regenerate.
2516 * configure: Regenerate.
2517 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2518 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2519 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2520 and mftgpr attributes.
2521 (define_attr "cpu"): Add power6.
2522 Change instruction sequences to use new attributes.
2523 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2524 (fix_truncdfsi2_mfpgpr): New.
2525 (floatsidf_ppc64_mfpgpr): New.
2526 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2527 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2528 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2529 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2530 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2531 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2532 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2533 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2534 cntlz,exts and var_delayed_compare.
2535 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2536 _ARCH_PWR6X, if features enabled.
2537 * config/rs6000/rs6000.opt (mmfpgpr): New.
2538 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2539 (cached_can_issue_more): New variable.
2540 (processor_costs): Add power6_cost.
2541 (rs6000_sched_init): New function.
2542 (is_dispatch_slot_restricted): Deleted.
2543 (set_to_load_agen): New function.
2544 (is_load_insn,is_store_insn): New functions.
2545 (adjacent_mem_locations): New function.
2546 (insn_must_be_first_in_group): New function.
2547 (insn_must_be_last_in_group): New function.
2548 (rs6000_sched_reorder): New function.
2549 (rs6000_sched_reorder2): New function.
2550 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2551 TARGET_SCHED_REORDER2): Define.
2552 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2553 Add power6x. Add MASK_MFPGPR for power6x.
2554 (POWERPC_MASKS): Add MASK_MFPGPR.
2555 (rs6000_override_options): Set rs6000_always_hint to false
2556 for power6. Set rs6000_align_branch_targets. Replace
2557 rs6000_sched_groups check with rs6000_align_branch_targets.
2558 Use PROCESSOR_POWER6.
2559 (last_scheduled_insn): New variable.
2560 (load_store_pendulum): New variable.
2561 (rs6000_variable_issue): Set last_scheduled_insn and
2562 cached_can_issue_more.
2563 (rs6000_adjust_cost): Add power6 cost adjustments.
2564 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2565 with insn_must_be_first_in_group. Add power6 priority adjustments.
2566 (rs6000_issue_rate): Add CPU_POWER6.
2567 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2568 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2569 (TARGET_MFPGPR): New.
2570 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2571 (ASM_CPU_SPEC): Add power6x.
2572 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2574 * config/rs6000/power6.md: New file.
2576 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2578 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2579 HOST_WIDE_INT_PRINT to print high and low parts. Use
2580 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2581 printing a hexadecimal number prefix it with 0x.
2583 2006-11-01 Chris Johns <chris@contemporary.net.au>
2586 * Makefile.in (install-driver): Use exeext when installing
2587 $target-gcc-$version.
2589 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2591 * c-common.c (flag_cpp0x): New.
2592 * c-common.h (flag_cpp0x): New.
2593 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2594 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2595 * c-opts.c (set_std_cxx0x): New.
2596 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2597 * c.opt (std=c++0x): Document.
2598 (std=gnu++0x): Ditto.
2599 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2600 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2602 2006-11-01 Richard Guenther <rguenther@suse.de>
2604 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2606 (ix86_expand_floorceildf_32): Likewise.
2607 (ix86_expand_floorceil): Likewise.
2608 (ix86_expand_trunc): Likewise.
2610 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2612 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2615 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2617 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2619 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2621 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2623 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2624 * configure.ac (use_cxa_atexit): As a special case, don't test
2625 for libc definition of __cxa_atexit on mingw32
2626 * configure: Regenerate.
2627 * config.gcc (i[34567]86-pc-mingw32): Default to
2628 enable__cxa_atexit=yes.
2630 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2632 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2634 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2637 * c-decl.c (start_struct): Don't create self-containing
2639 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2641 * config/rs6000/rs6000-protos.h
2642 (darwin_rs6000_special_round_type_align): New.
2643 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2644 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2646 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2648 * toplev.c (compile_file): Call final_write_globals
2649 even if there have been errors.
2651 2006-10-31 Eric Christopher <echristo@apple.com>
2652 Falk Hueffner <falk@debian.org>
2654 * doc/extend.texi (__builtin_bswap32): Document.
2655 (__builtin_bswap64): Ditto.
2656 * doc/libgcc.texi (bswapsi2): Document.
2658 * doc/rtl.texi (bswap): Document.
2659 * optabs.c (expand_unop): Don't widen a bswap.
2660 (init_optabs): Init bswap. Set libfuncs explicitly
2661 for bswapsi2 and bswapdi2.
2662 * optabs.h (OTI_bswap): New.
2663 (bswap_optab): Ditto.
2664 * genopinit.c (optabs): Handle bswap_optab.
2665 * tree.h (tree_index): Add TI_UINT32_TYPE and
2667 (uint32_type_node): New.
2668 (uint64_type_node): Ditto.
2669 * tree.c (build_common_tree_nodes_2): Initialize
2670 uint32_type_node and uint64_type_node.
2671 * builtins.c (expand_builtin_bswap): New.
2672 (expand_builtin): Call.
2673 (fold_builtin_bswap): New.
2674 (fold_builtin_1): Call.
2675 * fold-const.c (tree_expr_nonnegative_p): Return true
2677 * builtin-types.def (BT_UINT32): New.
2679 (BT_FN_UINT32_UINT32): Ditto.
2680 (BT_FN_UINT64_UINT64): Ditto.
2681 * builtins.def (BUILT_IN_BSWAP32): New.
2682 (BUILT_IN_BSWAP64): Ditto.
2683 * rtl.def (BSWAP): New.
2684 * genattrtab.c (check_attr_value): New.
2685 * libgcc2.c (__bswapSI2): New.
2686 (__bswapDI2): Ditto.
2687 * libgcc2.h (__bswapSI2): Declare.
2688 (__bswapDI2): Ditto.
2689 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2690 * simplify-rtx.c (simplify_const_unary_operation): Return
2692 * libgcc-std.ver (__bwapsi2): Add.
2693 (__bswapdi2): Ditto.
2694 * reload1.c (eliminate_regs_1): Add bswap.
2695 (elimination_effects): Ditto.
2696 * config/i386/i386.h (x86_bswap): New.
2697 (TARGET_BSWAP): Use.
2698 * config/i386/i386.c (x86_bswap): Set.
2700 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2702 * coverage.c (coverage_checksum_string): Update comment.
2703 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2704 of get_file_function_name.
2705 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2706 of get_file_function_name_long.
2707 * tree.c (get_file_function_name): Rename from
2708 get_file_function_name_long; improve comment; handle 'I' and 'D'
2709 specially when the target has ctor/dtor support; remove special
2711 (get_file_function_name): Remove.
2712 * tree.h (get_file_function_name): Rename from
2713 get_file_function_name_long.
2714 (get_file_function_name): Remove prototype.
2716 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2718 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2719 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2721 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2722 Call dsymutil when compiling and linking one or more source files
2725 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2728 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2730 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2732 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2733 inline static functions in c99 mode.
2736 * doc/extend.texi (Inline): Update.
2737 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2738 * c-decl.c (current_extern_inline): Delete.
2739 (pop_scope): Adjust test for an undefined nested function.
2740 Add warning about undeclared inline function.
2741 (diagnose_mismatched_decls): Update comments. Disallow overriding
2742 of inline functions in a translation unit in C99. Allow inline
2743 declarations in C99 at any time.
2744 (merge_decls): Boolize variables. Handle C99 'extern inline'
2746 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2747 C99 inline semantics.
2748 (start_function): Don't clear current_extern_inline. Don't set
2750 (c_push_function_context): Don't push current_extern_inline.
2751 (c_pop_function_context): Don't restore current_extern_inline.
2754 * c-typeck.c (build_external_ref): Warn about static variables
2755 used in extern inline functions.
2756 * c-decl.c (start_decl): Warn about static variables declared
2757 in extern inline functions.
2759 2006-10-31 Roger Sayle <roger@eyesopen.com>
2762 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2763 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2764 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2765 or y is an even integer.
2767 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2770 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2771 * gthr-posix95.h (__gthread_active_p): Likewise.
2773 2006-10-31 Richard Guenther <rguenther@suse.de>
2775 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2776 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2777 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2778 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2779 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2780 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2781 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2782 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2785 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2787 * opts.c (decode_options): Disable CSE skip blocks.
2789 2006-10-30 Dirk Mueller <dmueller@suse.de>
2791 * c-common.h (strict_aliasing_warning): Fix whitespace.
2792 * c-decl (start_function): Move code for main decl warning ..
2793 * c-common.c (check_main_parameter_types): .. here.
2794 * c-common.h (check_main_parameter_types): Declare.
2796 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2799 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2801 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2803 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2804 be a PARALLEL containing sets. Return false when out_pat is not
2807 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2809 * config/mips/mips.md (mul<mode>3): Split into...
2810 (mulsi3, muldi3): ...these separate patterns.
2812 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2814 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2815 but with each set of options separated by spaces.
2817 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2819 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2820 dwarf_reg_size_table has been initialized.
2822 2006-10-30 Roger Sayle <roger@eyesopen.com>
2824 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2825 * ddg.c (print_ddg_edge): Likewise.
2826 * dwarf2out.c (prune_unused_types_walk): Likewise.
2827 * ifcvt.c (noce_try_cmove_arith): Likewise.
2828 * langhooks.c (add_builtin_function): Likewise.
2829 * reg-stack.c (subst_stack_regs_pat): Likewise.
2830 * tree.c (expanded_location): Likewise.
2831 * tree-dump.c (dequeue_and_dump): Likewise.
2833 2006-10-30 David Daney <ddaney@avtrex.com>
2835 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2837 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2839 PR tree-optimization/29637
2840 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2841 of the innertype is the innertype itself.
2843 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2845 * dwarf2out.c (file_name_acquire): Correct typo.
2847 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2849 * tree.h (tree_value_handle): Remove struct value_set declaration.
2850 Change value_set to bitmap_set.
2851 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2852 * tree-vn.c (get_value_handle): Made inline and moved to
2854 * tree-flow-inline.h: (has_stmt_ann): New function.
2855 * tree-ssa-pre.c (expressions): New variable.
2856 (next_expression_id): Ditto.
2857 (alloc_expression_id): New function.
2858 (struct value_set): Remove.
2859 (get_expression_id): New function.
2860 (get_or_alloc_expression_id): Ditto.
2861 (expression_for_id): Ditto.
2862 (clear_expression_ids): Ditto.
2863 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2864 (bb_value_sets): Renamed to bb_bitmap_sets.
2865 All value sets replaced with bitmap_sets.
2867 (BB_VISITED): New macro.
2868 (postorder): New variable.
2869 (add_to_value): Removed.
2870 (value_exists_in_set_bitmap): Ditto.
2871 (value_insert_into_set_bitmap): Ditto.
2874 (set_remove): Ditto.
2875 (set_contains_value): Ditto.
2876 (insert_into_set): Ditto.
2878 (find_leader): Ditto.
2879 (bitmap_set_subtract_from_value_set): Ditto.
2880 (value_insert_into_set): Ditto.
2881 (print_value_set): Ditto.
2882 (debug_value_set): Ditto.
2883 (constant_expr_p): New function.
2884 (bitmap_remove_from_set): Ditto.
2885 (bitmap_insert_into_set): Ditto.
2886 (bitmap_set_free): Ditto.
2887 (vh_compare): Ditto.
2888 (sorted_array_from_bitmap_set): Ditto.
2889 (bitmap_set_subtract): Ditto.
2890 (bitmap_set_equal): Ditto.
2891 (debug_bitmap_set): Ditto.
2892 (find_leader_in_sets): Ditto.
2893 (bitmap_set_replace_value): Modify for bitmapped sets.
2894 (phi_translate): Ditto.
2895 (phi_translate_set): Ditto.
2896 (bitmap_find_leader): Ditto.
2897 (valid_in_sets): Ditto.
2898 (union_contains_value): Ditto.
2900 (compute_antic_aux): Ditto. Mark changed blocks.
2901 (compute_antic): Ditto. Iterate in postorder and only over
2903 (compute_rvuse_and_antic_safe): Reuse postorder.
2904 (create_component_ref_by_pieces): Modify for bitmapped sets.
2905 (find_or_generate_expression): Ditto.
2906 (create_expression_by_pieces): Ditto.
2907 (insert_into_preds_of_block): Ditto.
2908 (changed_blocks): New variable.
2909 (do_regular_insertion): Broken out from insert_aux.
2910 (insert_aux): Modified for bitmapped sets.
2911 (find_existing_value_expr): New function.
2912 (create_value_expr_from): Use it.
2913 (insert_extra_phis): Removed.
2914 (print_bitmap_set): Renamed from bitmap_print_value_set.
2915 (compute_avail): Handle RETURN_EXPR.
2916 (init_pre): Modify for bitmapped sets.
2917 * tree-flow.h (has_stmt_ann): New function.
2919 2006-10-29 Roger Sayle <roger@eyesopen.com>
2921 * builtins.c (fold_builtin_floor): Check for the availability of
2922 the C99 trunc function before transforming floor into trunc.
2924 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2926 * builtins.c (fold_builtin_hypot): Rearrange recursive
2927 transformation before others, and also do ABS_EXPR. When
2928 necessary, check flag_unsafe_math_optimizations. When necessary,
2931 2006-10-29 Roger Sayle <roger@eyesopen.com>
2933 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2934 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2935 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2936 Fold -X eq/ne -Y as X eq/ne Y.
2938 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2940 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2941 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2942 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2943 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2944 Use an inclusive test for "mult" rather than "mul".
2945 (rotr<mode>3): Depend on ISA_HAS_ROR.
2946 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2948 (GENERATE_MULT3_DI): Delete.
2949 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2950 (ISA_HAS_MUL3): New macro.
2951 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2952 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2953 (ISA_HAS_CLZ_CLO): Likewise.
2954 (ISA_HAS_DCLZ_DCLO): Delete.
2955 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2956 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2957 the VR4120 and VR4130.
2958 (ISA_HAS_MACCHI): Use consistent formatting.
2959 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2960 (ISA_HAS_ROR): ...this new macro.
2961 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2962 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2963 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2965 2006-10-29 Roger Sayle <roger@eyesopen.com>
2967 PR tree-optimization/15458
2968 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2971 2006-10-29 Richard Guenther <rguenther@suse.de>
2973 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2974 (ix86_expand_truncdf_32): Likewise.
2975 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2976 trunc inline for SSE math and -fno-trapping-math and if not
2977 optimizing for size.
2978 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2979 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2980 for expanding btrunc inline for SSE math.
2982 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2984 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
2985 Handle tuning for bi-arch i[34567]86-*-linux* like that for
2986 i[34567]86-*-solaris2.1[0-9]*.
2987 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
2988 Define conditionally depending on TARGET_64BIT_DEFAULT.
2989 (SPEC_32, SPEC_64): Define.
2990 (LINK_SPEC): Use them.
2991 * doc/install.texi (--enable-targets=all): Document for x86-linux.
2993 2006-10-29 Richard Guenther <rguenther@suse.de>
2995 * config/i386/i386-protos.h (ix86_expand_round): Declare.
2996 (ix86_expand_rounddf_32): Likewise.
2997 * config/i386/i386.c (ix86_expand_round): New function expanding
2998 round inline for SSE math and -fno-trapping-math and if not
2999 optimizing for size.
3000 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3001 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3002 round via ix86_expand_round.
3004 2006-10-29 Richard Guenther <rguenther@suse.de>
3006 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3007 (ix86_expand_floorceildf_32): Likewise.
3008 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3009 static helper function.
3010 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3012 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3013 * config/i386/i386.md (floordf2): Adjust to enable floor
3014 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3015 -fno-trapping-math is enabled and if not optimizing for size.
3016 (floorsf2, ceildf2, ceilsf2): Likewise.
3017 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3018 (sse2_maskcmpdf3): Likewise.
3020 2006-10-29 Richard Guenther <rguenther@suse.de>
3022 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3023 rint in case -fno-trapping-math is enabled.
3024 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3025 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3026 (ix86_expand_sse_fabs): Likewise.
3027 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3028 * config/i386/i386.md (rintdf2): Enable for SSE math if
3029 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3030 (rintsf2): Likewise.
3032 2006-10-29 Richard Guenther <rguenther@suse.de>
3034 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3035 to conversion optabs.
3036 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3037 as conversion optab.
3038 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3039 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3040 (lfloor_optab, lceil_optab): Adjust defines.
3041 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3042 lfloor and lceil optabs now being conversion optabs.
3043 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3044 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3045 New static helper function.
3046 (ix86_expand_lfloorceil): New function to expand lfloor and
3048 * config/i386/i386.md (lfloor<mode>2): Split into ...
3049 (lfloorxf<mode>2): ... x87 variant
3050 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3051 using ix86_expand_lfloorceil.
3052 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3054 * doc/md.texi (lfloorMN, lceilMN): Document.
3056 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3058 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3059 -mno-shared assembler option on mips targets.
3060 * configure, config.in: Regenerate.
3061 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3062 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3063 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3065 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3067 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3068 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3070 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3072 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3073 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3076 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3079 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3080 (fold_builtin_pow): Evaluate constant arguments at compile-time
3082 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3083 (do_mpfr_ckconv): New helper function.
3084 (do_mpfr_arg1): Use do_mpfr_ckconv.
3085 (do_mpfr_arg2): New.
3087 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3090 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3091 (-fdump-rtl-sched): Rename to ..
3092 (-fdump-rtl-sched1): here. Also fix file extension number.
3094 2006-10-28 Richard Guenther <rguenther@suse.de>
3096 * fold-const.c (maybe_canonicalize_comparison): Fix code
3099 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3101 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3102 (NON_QI_REG_P): Use IN_RANGE.
3103 (REX_INT_REGNO_P): Use IN_RANGE.
3104 (FP_REGNO_P): Use IN_RANGE.
3105 (SSE_REGNO_P): Use IN_RANGE.
3106 (REX_SSE_REGNO_P): Use IN_RANGE.
3107 (MMX_REGNO_P): Use IN_RANGE.
3108 (STACK_REGNO_P): New macro.
3109 (STACK_REG_P): Use STACK_REGNO_P.
3110 (NON_STACK_REG_P): Use STACK_REGNO_P.
3111 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3112 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3113 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3114 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3115 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3117 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3119 * except.h (output_function_exception_table): Add 'const char*' param.
3120 * except.c (switch_to_exception_section): Add 'const char*' param.
3121 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3122 and flag_function_sections is set, use a function-specific section.
3123 (output_function_exception_table): Add 'const char*' param.
3124 Adjust call to switch_to_exception_section.
3125 * final.c (rest_of_handle_final): Adjust calls to
3126 output_function_exception_table.
3127 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3128 * config.in: Regenerate.
3129 * configure: Likewise.
3131 2006-10-28 Richard Guenther <rguenther@suse.de>
3134 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3135 for maybe_canonicalize_comparison.
3136 (maybe_canonicalize_comparison): New function for canonicalizing
3138 (fold_comparison): Call it to canonicalize comparisons with
3141 2006-10-28 Richard Guenther <rguenther@suse.de>
3144 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3145 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3146 (expand_builtin): Adjust likewise.
3147 * genopinit.c (optabs[]): Add lround optab.
3148 * optabs.c (init_optabs): Initialize lround_optab.
3149 * optabs.h (enum convert_optab_index): Add COI_lround.
3150 (lround_optab): Define.
3151 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3152 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3154 (ix86_expand_lround): New function.
3155 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3157 * doc/md.texi (lroundMN2): Document.
3159 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3162 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3163 argument to HOST_WIDE_INT. Update function prototype.
3164 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3165 "size" argument to HOST_WIDE_INT. Update function prototype.
3167 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3169 * config/i386/i386.c (output_387_ffreep): Create output from a
3170 template string for !HAVE_AS_IX86_FFREEP.
3172 2006-10-27 Eric Christopher <echristo@apple.com>
3174 * config/darwin.c: Fix formatting and grammar.
3176 2006-10-27 Jan Hubicka <jh@suse.cz>
3178 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3179 to be thrown away soon when IGNORE is set.
3180 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3181 indicating when return value shall not be computed.
3182 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3184 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3186 * config/i386/i386.h (TARGET_GEODE):
3187 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3188 (TARGET_CPU_DEFAULT_geode): New macro.
3189 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3190 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3191 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3192 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3193 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3195 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3196 (processor_type): Add PROCESSOR_GEODE.
3198 * config/i386/i386.md: Include geode.md.
3201 * config/i386/i386.c (geode_cost): New initialized global
3203 (m_GEODE, m_K6_GEODE): New macros.
3204 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3205 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3206 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3207 x86_schedule): Use m_K6_GEODE instead of m_K6.
3208 (x86_movx, x86_cmove): Set up m_GEODE.
3209 (x86_integer_DFmode_moves): Clear m_GEODE.
3210 (processor_target_table): Add entry for geode.
3211 (processor_alias_table): Ditto.
3213 * config/i386/geode.md: New file.
3215 * doc/invoke.texi: Add entry about geode processor.
3217 2006-10-27 Mike Stump <mrs@apple.com>
3219 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3220 __DYNAMIC__ from here back to ...
3221 * config/darwin.h (CPP_SPEC): ... here.
3223 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3224 Nathan Sidwell <nathan@codesourcery.com>
3226 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3227 when choosing the minimum heapsize.
3229 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3231 * gcc/unwind-dw2.h: Move cfa-related variables into
3232 struct frame_state_reg_info to ensure that the CFA is properly
3233 handled when executing DW_CFA_{remember,restore}_state.
3234 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3235 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3236 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3237 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3238 gcc/config/rs6000/linux-unwind.h,
3239 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3240 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3241 Modify to use new cfa_* fields.
3243 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3245 * config/s390/s390.c (s390_init_frame_layout): Check positive
3248 2006-10-26 Ben Elliston <bje@au.ibm.com>
3250 * gimplify.c (get_name): Remove extraneous break.
3251 (gimplify_omp_for): Initialise ret with GS_OK.
3253 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3255 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3256 Add unix98.o to link line.
3258 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3261 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3262 Calculate compile-time constants using MPFR.
3263 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3264 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3266 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3268 * config/xtensa/lib2funcs.S: Use C-style comments.
3270 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3272 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3273 (file_table_relative_p): Likewise.
3274 (dwarf2out_finish): Likewise.
3275 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3277 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3279 * tree-ssa-structalias.c (intra_create_variable_infos):
3280 Don't recreate nonlocal_all if it already exists.
3282 2006-10-25 Richard Guenther <rguenther@suse.de>
3285 * optabs.h (enum optab_index): Remove OTI_lrint.
3286 (enum convert_optab_index): Add COI_lrint.
3287 (lrint_optab): Adjust.
3288 (expand_sfix_optab): Declare.
3289 * optabs.c (expand_sfix_optab): New function.
3290 (init_optabs): Init lrint_optab as conversion optab.
3291 * genopinit.c (lrint_optab): Change to a conversion optab.
3292 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3293 expansion via conversion optab.
3294 * config/i386/i386.md (*fistdi2_1): Remove
3295 flag_unsafe_math_optimizations guard.
3296 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3297 fist<mode>2_with_temp): Likewise.
3298 (lrint<mode>2): Split into...
3299 (lrintxf<mode>2): ... x87 part
3300 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3301 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3302 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3303 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3304 * doc/md.texi (lrintMN2): Document.
3306 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3309 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3310 Use inc and dec instructions for TARGET_USE_INCDEC.
3311 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3312 ("sync_double_compare_and_swap<mode>"): Likewise.
3313 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3314 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3315 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3316 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3317 ("sync_old_add<mode>"): Likewise.
3318 ("sync_lock_test_and_set<mode>"): Likewise.
3319 ("sync_lock_test_and_set<mode>"): Likewise.
3320 ("sync_add<mode>"): Likewise.
3321 ("sync_sub<mode>"): Likewise.
3322 ("sync_ior<mode>"): Likewise.
3323 ("sync_and<mode>"): Likewise.
3324 ("sync_xor<mode>"): Likewise.
3326 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3328 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3329 (remainder_optab): Define corresponding macro.
3330 (drem_optab): Remove.
3331 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3332 drem_optab initialization.
3333 * genopinit.c (optabs): Implement remainder_optab using
3334 remainder?f3 patterns. Remove drem_optab.
3335 * builtins.c (expand_builtin_mathfn_2): Handle
3336 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3337 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3338 expand_builtin_mathfn_2.
3340 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3341 depend on flag_unsafe_math_optimizations.
3343 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3344 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3345 Do not depend on flag_unsafe_math_optimizations. Use
3346 truncxf?f expander instead of truncxf?f_i387_noop.
3348 ("fpremxf4", "fprem1xf4"): Do not depend on
3349 flag_unsafe_math_optimizations.
3350 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3351 flag_unsafe_math_optimizations. Use truncxf?f expander
3352 instead of truncxf?f_i387_noop.
3354 * doc/md.texi (fmod, remainder): Document standard named pattern.
3356 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3357 David Daney <ddaney@avtrex.com>
3360 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3362 2006-10-25 Ben Elliston <bje@au.ibm.com>
3364 * doc/extend.texi (Variable Attributes): Typo fix.
3366 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3368 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3369 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3370 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3371 (FRAME_POINTER_REGNUM): Update register number to 21.
3372 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3373 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3375 * config/i386/i386.c (regclass_map): Add fpcr entry.
3376 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3378 (print_reg): Assert REGNO (x) != FPCR_REG.
3380 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3381 (DIRFLAG_REG): Renumber.
3382 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3383 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3384 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3385 hardcoded SSE register numbers.
3387 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3388 hardcoded MMX register numbers.
3390 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3393 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3394 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3396 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3397 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3398 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3399 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3401 2006-10-24 Richard Guenther <rguenther@suse.de>
3404 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3405 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3406 for deciding optimizations in consistency with fold-const.c
3407 (fold_builtin_unordered_cmp): Likewise.
3409 2006-10-24 Richard Guenther <rguenther@suse.de>
3411 * builtins.c (fold_builtin_floor): Fold floor (x) where
3412 x is nonnegative to trunc (x).
3413 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3414 nonnegative to FIX_TRUNC_EXPR.
3416 2006-10-24 Richard Guenther <rguenther@suse.de>
3418 PR tree-optimization/29567
3419 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3420 for TRUTH_NOT_EXPR. Clarify comments.
3422 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3425 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3426 at compile-time using MPFR. Change parameter VALUE to FUNC,
3428 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3429 for overflow and underflow at all times and avoid folding in
3432 2006-10-24 Ben Elliston <bje@au.ibm.com>
3434 * reload1.c: Formatting fixes.
3436 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3438 PR tree-optimization/14784
3439 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3440 * tree-ssa-structalias.c (get_constraint_for,
3441 intra_create_variable_infos): Set is_heapvar.
3442 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3443 non-heapvar pointer variables specially.
3445 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3448 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3449 fold_builtin_tan): Fold all constant arguments. Take a "type"
3450 argument as necessary.
3451 (do_mpfr_arg1): New.
3452 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3454 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3456 * config/xtensa/lib1funcs.asm: Use C-style comments.
3458 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3460 * tree.c (local_define_builtin): Replace calls to
3461 lang_hooks.builtin_function with add_builtin_function.
3462 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3464 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3466 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3467 common code to add_builtin_function.
3468 * langhooks.c (add_builtin_function): New function.
3469 (lhd_builtin_function): New function.
3470 * langhooks.h (struct lang_hooks): Change the signature of
3472 (add_builtin_function): New function.
3473 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3474 calls to lang_hooks.builtin_function with add_builtin_function.
3475 * c-common.c (decl_builtin_1): Replace calls to
3476 lang_hooks.builtin_function with add_builtin_function.
3477 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3478 lang_hooks.builtin_function with add_builtin_function.
3479 * config/frv/frv.c (def_builtin): Replace calls to
3480 lang_hooks.builtin_function with add_builtin_function.
3481 * config/s390/s390.c (s390_init_builtins): Replace calls to
3482 lang_hooks.builtin_function with add_builtin_function.
3483 * config/sparc/sparc.c (def_builtin): Replace calls to
3484 lang_hooks.builtin_function with add_builtin_function.
3485 * config/i386/i386.c (def_builtin): Replace calls to
3486 lang_hooks.builtin_function with add_builtin_function.
3487 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3488 lang_hooks.builtin_function with add_builtin_function.
3489 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3490 lang_hooks.builtin_function with add_builtin_function.
3491 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3492 Replace calls to lang_hooks.builtin_function with
3493 add_builtin_function.
3494 * config/iq2000/iq2000.c (def_builtin):
3495 Replace calls to lang_hooks.builtin_function with
3496 add_builtin_function.
3497 * config/ia64/ia64.c (def_builtin): Replace calls to
3498 lang_hooks.builtin_function with add_builtin_function.
3499 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3500 lang_hooks.builtin_function with add_builtin_function.
3501 (altivec_init_builtins): Replace calls to
3502 lang_hooks.builtin_function with add_builtin_function.
3503 * config/arm/arm.c (def_mbuiltin): Replace calls to
3504 lang_hooks.builtin_function with add_builtin_function.
3505 (arm_init_tls_builtins): Replace calls to
3506 lang_hooks.builtin_function with add_builtin_function.
3507 * config/mips/mips.c (mips_init_builtins): Replace calls to
3508 lang_hooks.builtin_function with add_builtin_function.
3509 * config/bfin/bfin.c (def_builtin): Replace calls to
3510 lang_hooks.builtin_function with add_builtin_function.
3511 * langhooks-def.h (lhd_builtin_function): New function.
3512 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3514 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3516 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3517 BUILT_IN_STRNCAT_CHK.
3519 2006-10-23 Jan Hubicka <jh@suse.cz>
3521 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3522 don't do conversion from memmove to memcpy here.
3523 (expand_builtin_bcopy, expand_builtin): Update call of
3524 expand_builtin_memmove.
3525 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3527 2006-10-23 Paul Brook <paul@codesourcery.com>
3529 * stor-layout.c (start_record_layout): maximum_field_alignment
3530 overrides STRUCTURE_SIZE_BOUNDARY.
3532 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3534 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3535 nonlocal function symbols if flag_pic.
3537 2006-10-23 Richard Guenther <rguenther@suse.de>
3541 * builtins.c (fold_binary): Remove checks for flag_wrapv
3542 and flag_trapv where negate_expr_p covers these cases.
3544 2006-10-23 Richard Guenther <rguenther@suse.de>
3547 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3548 of two on the absolute value.
3549 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3550 and negating -C does not overflow.
3552 2006-10-23 Richard Guenther <rguenther@suse.de>
3555 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3556 only if not flag_rounding_math.
3558 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3559 Kaz Kojima <kkojima@gcc.gnu.org>
3562 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3563 SImode memory reference for the source of a movua.
3564 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3565 (movua): Use an unspec instead of sign_extract. Expect the source
3566 to have mode BLKmode.
3567 (extv, insv): Use a BLKmode rather than SImode memory reference
3568 for the source of a movua.
3570 2006-10-22 Jeff Law <law@redhat.com>
3571 Richard Guenther <rguenther@suse.de>
3573 PR tree-optimization/15911
3574 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3575 (register_edge_assert_for_1): Likewise.
3576 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3577 (find_conditional_asserts): Adjust for new function signature.
3578 (find_assert_locations): Likewise.
3580 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3582 * config/i386/tmmintrin.h: Remove the duplicated content.
3584 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3586 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3587 (x86_64-*-*): Likewise.
3589 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3590 (override_options): Check SSSE3.
3591 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3592 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3593 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3594 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3595 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3596 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3597 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3598 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3599 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3600 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3601 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3602 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3603 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3604 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3605 IX86_BUILTIN_PABSD128.
3606 (bdesc_2arg): Add SSSE3.
3607 (bdesc_1arg): Likewise.
3608 (ix86_init_mmx_sse_builtins): Support SSSE3.
3609 (ix86_expand_builtin): Likewise.
3610 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3612 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3613 (UNSPEC_PSIGN): Likewise.
3614 (UNSPEC_PALIGNR): Likewise.
3615 Include mmx.md before sse.md.
3617 * config/i386/i386.opt: Add -mssse3.
3619 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3620 (ssse3_phaddwv4hi3): Likewise.
3621 (ssse3_phadddv4si3): Likewise.
3622 (ssse3_phadddv2si3): Likewise.
3623 (ssse3_phaddswv8hi3): Likewise.
3624 (ssse3_phaddswv4hi3): Likewise.
3625 (ssse3_phsubwv8hi3): Likewise.
3626 (ssse3_phsubwv4hi3): Likewise.
3627 (ssse3_phsubdv4si3): Likewise.
3628 (ssse3_phsubdv2si3): Likewise.
3629 (ssse3_phsubswv8hi3): Likewise.
3630 (ssse3_phsubswv4hi3): Likewise.
3631 (ssse3_pmaddubswv8hi3): Likewise.
3632 (ssse3_pmaddubswv4hi3): Likewise.
3633 (ssse3_pmulhrswv8hi3): Likewise.
3634 (ssse3_pmulhrswv4hi3): Likewise.
3635 (ssse3_pshufbv16qi3): Likewise.
3636 (ssse3_pshufbv8qi3): Likewise.
3637 (ssse3_psign<mode>3): Likewise.
3638 (ssse3_psign<mode>3): Likewise.
3639 (ssse3_palignrti): Likewise.
3640 (ssse3_palignrdi): Likewise.
3641 (abs<mode>2): Likewise.
3642 (abs<mode>2): Likewise.
3644 * config/i386/tmmintrin.h: New file.
3646 * doc/extend.texi: Document SSSE3 built-in functions.
3648 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3650 2006-10-22 Ira Rosen <irar@il.ibm.com>
3652 * tree-vect-transform.c (vectorizable_load): Use the type of the
3653 return value of the mask_for_load builtin to create realign_load
3656 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3658 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3661 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3663 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3664 (UNSPEC_LDDQU): This.
3665 * config/i386/sse.md (sse3_lddqu): Updated.
3667 2006-10-21 Richard Guenther <rguenther@suse.de>
3669 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3670 (expand_builtin): Use it to expand lrint instead of
3671 expand_builtin_mathfn.
3673 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3676 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3677 flag_unsafe_math_optimizations is set.
3679 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3682 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3683 patterns to use memory input operand in x87->mem->XMM
3684 reload sequences. Skip transformation for TARGET_K8.
3686 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3688 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3689 force operand1 to register if both operands are memory operands.
3690 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3691 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3692 if both operands are memory operands.
3693 (truncdfsf2): Do not force operand1 to register if both operands
3694 are memory operands.
3696 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3698 * Makefile.in (LIBS): Add $(GMPLIBS).
3699 * doc/install.texi: Update GMP and MPFR requirements.
3700 * doc/sourcebuild.texi (need_gmp): Delete.
3702 2006-10-21 Richard Guenther <rguenther@suse.de>
3704 PR tree-optimization/3511
3705 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3706 got new invariant arguments during PHI translation.
3708 2006-10-21 Richard Guenther <rguenther@suse.de>
3711 * fold-const.c (fold_comparison): Fold signed comparisons
3712 of the form X +- C1 CMP Y +- C2.
3714 2006-10-21 Richard Guenther <rguenther@suse.de>
3717 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3718 if flag_unsafe_math_optimizations is specified. We have
3719 flag_finite_math_only for that.
3720 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3721 or flag_unsafe_math_optimizations.
3723 2006-10-21 Richard Guenther <rguenther@suse.de>
3725 * builtins.c (fold_builtin_classify): Fix typo.
3727 2006-10-21 Richard Guenther <rguenther@suse.de>
3730 * simplify-rtx.c (simplify_const_relational_operation):
3731 Do not constant-fold ORDERED and UNORDERED for
3732 flag_unsafe_math_optimizations but only we do not need to
3733 honor NaNs for the given mode.
3735 2006-10-21 Richard Guenther <rguenther@suse.de>
3738 * config/i386/i386.c (classify_argument): Remove redundant
3739 walking of the BINFOs.
3740 (contains_128bit_aligned_vector_p): Likewise.
3742 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3744 * BASE-VER: Set to 4.3.0.
3746 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3748 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3749 (tree_decl_with_vis): Remove artificial_pta_var flag.
3750 * tree-flow.h (referenced_var_check_and_insert): Expose.
3751 (nonlocal_all): New prototype.
3752 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3753 (nonlocal_all): Make global.
3754 (nonlocal_lookup): Remove.
3755 (nonlocal_insert): Ditto.
3756 (create_nonlocal_var): Do not call nonlocal_insert.
3757 (get_nonlocal_id_for_type): Remove.
3758 (find_global_initializers): Mark new vars we find for renaming.
3759 (intra_create_variable_infos): Only create one nonlocal.
3760 (expand_nonlocal_solutions): Remove.
3761 (compute_points_to_sets): Don't call it.
3762 (ipa_pta_execute): Ditto.
3763 (init_alias_heapvars): Don't create nonlocal_for_type.
3764 (delete_alias_heapvars): Don't remove it.
3765 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3768 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3770 * doc/install.texi (Downloading GCC): Clarify mention of
3771 Fortran in the "full distribution" description.
3773 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3775 Fix PR tree-optimization/28778
3776 Fix PR tree-optimization/29156
3777 Fix PR tree-optimization/29415
3778 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3779 (tree_decl_with_vis): Add artificial_pta_var flag.
3780 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3781 pushed into callers.
3782 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3783 (nonlocal_all): Ditto.
3784 (struct variable_info): Add directly_dereferenced member.
3785 (var_escaped_vars): New variable.
3786 (escaped_vars_tree): Ditto.
3787 (escaped_vars_id): Ditto.
3788 (nonlocal_vars_id): Ditto.
3789 (new_var_info): Set directly_dereferenced.
3790 (graph_size): New variable
3791 (build_constraint_graph): Use graph_size.
3792 (solve_graph): Don't process constraints that cannot change the
3793 solution, don't try to propagate an empty solution to our
3795 (process_constraint): Set directly_dereferenced.
3796 (could_have_pointers): New function.
3797 (get_constraint_for_component_ref): Don't process STRING_CST.
3798 (nonlocal_lookup): New function.
3799 (nonlocal_insert): Ditto.
3800 (create_nonlocal_var): Ditto.
3801 (get_nonlocal_id_for_type): Ditto.
3802 (get_constraint_for): Allow results vector to be empty in the case
3803 of string constants.
3804 Handle results of calls properly.
3805 (update_alias_info): Update alias info stats on number and type of
3807 (find_func_aliases): Use could_have_pointers.
3808 (make_constraint_from_escaped): Renamed from
3809 make_constraint_to_anything, and changed to make constraints from
3811 (make_constraint_to_escaped): New function.
3812 (find_global_initializers): Ditto.
3813 (create_variable_info_for): Make constraint from escaped to any
3814 global variable, and from any global variable to the set of
3816 (intra_create_variable_infos): Deal with escaped instead of
3817 pointing to anything.
3818 (set_uids_in_ptset): Do type pruning on directly dereferenced
3820 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3821 (init_base_vars): Fix comment, and initialize escaped_vars.
3822 (need_to_solve): Removed.
3823 (find_escape_constraints): New function.
3824 (expand_nonlocal_solutions): Ditto.
3825 (compute_points_to_sets): Call find_escape_constraints and
3826 expand_nonlocal_solutions.
3827 (delete_points_to_sets): Don't fall off the end of the graph.
3828 (init_alias_heapvars): Initialize nonlocal_for_type and
3830 (delete_alias_heapvars): Free nonlocal_for_type and null out
3833 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3835 * fold-const.c (add_double): Rename to add_double_with_sign.
3836 Add 'unsigned_p' parameter and take it into account for the overflow.
3837 (mul_double): Rename to mul_double_with_sign.
3838 Add 'unsigned_p' parameter and take it into account for the overflow.
3839 (fold_div_compare): Call add_double_with_sign instead of add_double
3840 and mul_double_with_sign instead of mul_double, passing them the
3841 unsignedness of the type.
3842 * tree.h (add_double): Macroize.
3843 (add_double_with_sign): New prototype.
3844 (mul_double): Macroize.
3845 (mul_double_with_sign): New prototype.
3847 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3849 * config/score/crti.asm: New file.
3850 * config/score/crtn.asm: New file.
3851 * config/score/elf.h: New file.
3852 * config/score/mac.md: New file.
3853 * config/score/misc.md: New file.
3854 * config/score/mul-div.S: New file.
3855 * config/score/predicates.md: New file.
3856 * config/score/score7.md: New file.
3857 * config/score/score.c: New file.
3858 * config/score/score-conv.h: New file.
3859 * config/score/score.h: New file.
3860 * config/score/score.md: New file.
3861 * config/score/score-mdaux.c: New file.
3862 * config/score/score-mdaux.h: New file.
3863 * config/score/score-modes.def: New file.
3864 * config/score/score.opt: New file.
3865 * config/score/score-protos.h: New file.
3866 * config/score/score-version.h: New file.
3867 * config/score/t-score-elf: New file.
3868 * config.gcc: Add score*-*-* configurations(Update before).
3869 * doc/invoke.texi (Score Options): New section.
3870 * doc/md.texi (Score family): New section to document constraints.
3872 2006-10-19 Nick Clifton <nickc@redhat.com>
3874 * config/arm/arm.c: Fix spelling typo.
3876 2006-10-18 Tom Tromey <tromey@redhat.com>
3878 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3880 2006-10-18 Jan Hubicka <jh@suse.cz>
3883 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3886 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3888 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3889 TSI_SAME_STMT, since that's the desired entity.
3891 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3893 * config/s390/contraints.md: New file.
3894 * config/s390/s390-protos.h (s390_mem_constraint,
3895 s390_O_constraint_str, s390_N_constraint_str,
3896 s390_float_const_zero_p): Function prototypes added.
3897 * config/s390/s390.c (s390_extra_constraint_str,
3898 s390_const_double_ok_for_constraint_p,
3899 s390_const_ok_for_constraint_p): Functions removed.
3900 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3901 s390_float_const_zero_p): New functions.
3902 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3903 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3904 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3905 Macro definitions removed.
3906 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3907 s390_extra_constraint_str): Functions removed.
3909 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3910 Richard Sandiford <richard@codesourcery.com>
3913 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3914 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3916 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3918 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3919 (DWARF2_FRAME_REG_OUT): Likewise.
3920 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3921 (DWARF2_FRAME_REG_OUT): Likewise.
3923 2006-10-17 Paul Brook <paul@codesourcery.com>
3925 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3927 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3929 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3930 Standardize on "GNU Fortran" as the official name of the Fortran
3933 2006-10-16 Mike Stump <mrs@apple.com>
3935 * doc/invoke.texi (Darwin Options): Document -mkernel.
3936 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3938 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3939 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3940 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3941 (OS_MISSING_ALTIVEC): Add.
3942 * config/i386/i386.c (override_options): Add
3943 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3944 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3945 -mkernel, -static or -mdynamic-no-pic is given.
3946 (C_COMMON_OVERRIDE_OPTIONS): Add.
3947 * config/darwin.opt (fapple-kext): Add.
3949 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3950 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3952 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3953 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3954 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3955 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3956 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3957 (flag_mkernel): Add.
3958 (flag_apple_kext): Add.
3959 (TARGET_KEXTABI): Add.
3960 * config/darwin.c (darwin_handle_kext_attribute): Add.
3961 (DARWIN_VTABLE_P): Add.
3962 (darwin_binds_local_p): Add partial support for rebinding vtables
3964 (darwin_kextabi_p): Add.
3965 (darwin_override_options): Add.
3966 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3967 (darwin_kextabi_p): Add.
3968 (darwin_override_options): Add.
3969 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3970 __DYNAMIC__ and __STATIC__ here.
3972 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3974 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3975 Added mention of "make pdf" target, and Texinfo requirements for
3978 2006-10-16 DJ Delorie <dj@redhat.com>
3980 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3981 into the GOT in case we need a subreg of the address.
3983 2006-10-16 Richard Guenther <rguenther@suse.de>
3986 * doc/extend.texi (X86 Built-in Functions): Fix typos in
3987 SSE builtin documentation. Document SSE2 builtins.
3989 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3991 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
3992 symbol in the output file for non-shared links when -nostdlib or
3993 -nodefaultlibs isn't specified.
3995 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
3996 posix thread support.
3998 2006-10-15 Jan Hubicka <jh@suse.cz>
4001 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4002 declared always_inline even when not inlining.
4004 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4005 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4006 Andrew Pinski <pinskia@gmail.com>
4009 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4011 2006-10-15 Jan Hubicka <jh@suse.cz>
4012 Richard Guenther <rguenther@suse.de>
4015 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4016 process_function_and_variable_attributes on all variables, including
4017 those discovered during cgraph construction phase.
4019 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4021 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4023 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4025 * config/i386/athlon.md (athlon_fist): Add fisttp.
4027 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4028 Ian Lance Taylor <ian@airs.com>
4031 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4032 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4035 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4037 * config/score/score.c, config/score/score.h: Fix comment
4040 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4043 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4046 2006-10-13 Eric Christopher <echristo@apple.com>
4048 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4050 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4053 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4054 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4055 alignment supported by 32-bit ELF.
4057 2006-10-13 Eric Christopher <echristo@apple.com>
4059 * config/darwin.c (darwin_emit_unwind_label): Strip
4060 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4062 2006-10-13 Richard Guenther <rguenther@suse.de>
4064 PR tree-optimization/29446
4065 * tree-vrp.c (fix_equivalence_set): Remove.
4066 (extract_range_from_assert): Do not call fix_equivalence_set.
4067 (debug_value_range): Print a newline.
4068 (compare_name_with_value): For equivalence sets with
4069 inconsistent value ranges conservatively bail out.
4070 (compare_names): Likewise.
4072 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4074 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4075 and MPFR for gfortran.
4077 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4079 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4080 alignment supported by 32-bit ELF.
4082 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4086 * c-typeck.c (digest_init): Always allow initializing vectors
4087 that have static storage duration with compound literals.
4088 * tree.c (build_type_attribute_qual_variant): New, based on
4089 build_type_attribute_variant.
4090 (build_type_attribute_variant): Rewrite using the former.
4091 (make_vector_type): Use build_type_attribute_qual_variant to build
4092 type variants. Use type_hash_canon on the others.
4094 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4095 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4097 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4099 2006-10-12 Jan Hubicka <jh@suse.cz>
4102 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4103 current_function_decl is set but current_function_scope is not.
4105 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4107 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4108 emit_insn to emit eh_return_internal instruction.
4109 (eh_return_internal): Explicitly set pc.
4111 2006-10-11 Richard Guenther <rguenther@suse.de>
4113 PR tree-optimization/28230
4114 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4115 to the correct place.
4117 2006-10-11 Richard Guenther <rguenther@suse.de>
4120 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4123 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4125 * configure.ac: Added pdf to "Make-hooks"
4126 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4127 targets and *.pdf file patterns in cleanup targets.
4128 * configure: Regenerated.
4130 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4132 * config/avr/predicates.md: New file.
4133 * config/avr/avr.md: Include it.
4134 (REG_SP): New constant.
4135 (peepholes): Use predicates.
4136 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4137 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4138 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4140 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4142 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4145 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4148 * builtins.c (var_decl_component_p): New function.
4149 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4150 single entry optimization to variables and components thereof.
4152 2006-10-10 Richard Guenther <rguenther@suse.de>
4154 PR rtl-optimization/29323
4155 * except.c (set_nothrow_function_flags): For functions
4156 that do not bind local bail out early.
4158 2006-10-10 Ben Elliston <bje@au.ibm.com>
4160 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4163 2006-10-09 Richard Henderson <rth@redhat.com>
4165 Revert emutls patch.
4167 2006-10-09 Richard Guenther <rguenther@suse.de>
4170 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4173 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4176 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4177 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4178 * configure: Regenerate.
4179 * config.in: Regenerate.
4181 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4183 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4185 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4187 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4188 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4189 Remove stray newline.
4191 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4193 * config/mips/mips.c (mips_classify_symbol): Do not return
4194 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4195 (mips_in_small_data_p): Tweak comments.
4197 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4199 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4201 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4203 * gimplify.c, sched-int.h: Fix comment typos.
4205 * sched-int.h: Fix comment typos.
4207 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4209 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4211 * sched-ebb.c (begin_schedule_ready): Use them.
4212 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4213 add_to_speculative_block, create_check_block_twin, speculate_insn,
4214 fix_jump_move, move_block_after_check): Ditto.
4215 * sched-rgn.c (new_ready): Ditto.
4217 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4219 PR rtl-optimization/29128
4220 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4221 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4222 allow interblock movement of speculation checks.
4224 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4227 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4228 casted to integer type.
4229 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4230 if they are significantly more expensive than [reg + index] ones.
4232 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4234 PR tree-optimization/29330
4235 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4236 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4237 on newly allocated ddrs.
4238 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4239 to VEC (loop_p, heap) pointer.
4240 (compute_data_dependences_for_loop): Adjust caller.
4241 (free_dependence_relations): Free DDR_LOOP_NEST.
4243 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4244 free DEPENDENCE_RELATIONS and DATAREFS.
4247 * builtins.c (expand_builtin_sync_operation,
4248 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4249 Use convert_to_mode to handle promoted arguments.
4251 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4253 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4255 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4257 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4259 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4261 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4262 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4263 Use <modeconstraint> instead of "r" as operand 1 constraint.
4265 2006-10-06 Olivier Hainque <hainque@adacore.com>
4267 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4268 Don't recurse on the pointed-to type.
4269 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4270 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4271 types with components of variable size.
4273 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4275 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4277 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4279 PR tree-optimization/29290
4280 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4284 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4285 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4288 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4289 the number of vector elements fill the rest with zeros.
4291 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4293 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4294 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4297 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4299 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4300 unnamed pattern into subsi3. Use correct constraints/predicates.
4301 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4302 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4304 2006-10-05 Ira Rosen <irar@il.ibm.com>
4306 * doc/loop.texi: Add data references analysis description.
4308 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4310 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4312 2006-10-04 Richard Henderson <rth@redhat.com>
4313 Jakub Jelinek <jakub@redhat.com>
4315 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4316 * builtin-types.def (BT_WORD): Make unsigned.
4317 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4318 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4319 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4320 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4321 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4322 * cgraph.c (decide_is_variable_needed): Look at force_output.
4323 Recurse for emulated tls.
4324 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4325 checks redundant with decide_is_variable_needed.
4326 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4327 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4329 * expr.c (emutls_var_address): New.
4330 (expand_expr_real_1): Expand emulated tls.
4331 (expand_expr_addr_expr_1): Likewise.
4332 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4333 * output.h (emutls_finish): Declare.
4334 * toplev.c (compile_file): Call it.
4335 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4336 address before wrapping in CONST.
4337 * varasm.c (emutls_htab, emutls_object_type): New.
4338 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4339 (get_emutls_object_name, get_emutls_object_type): New.
4340 (get_emutls_init_templ_addr, emutls_decl): New.
4341 (emutls_common_1, emutls_finish): New.
4342 (assemble_variable): When emulating tls, swap decls; generate
4343 constructor for the emutls objects.
4344 (do_assemble_alias): When emulating tls, swap decl and target name.
4345 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4347 * emutls.c: New file.
4348 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4349 tls_object for real tls.
4351 2006-10-04 Zack Weinberg <zackw@panix.com>
4353 Fix bug in constraint-check generator, reported by Rask Ingemann
4355 * genpreds.c (add_constraint): Don't remove anything from the
4357 (write_tm_constrs_h): Detect whether "op" argument is used, and
4358 mark it ARG_UNUSED if it isn't.
4359 (write_insn_const_int_ok_for_constraint): Skip the part of the
4360 expression that would test whether "op" (which is not available
4361 here) is a CONST_INT.
4363 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4366 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4368 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4370 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4371 current Leopard versions.
4372 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4374 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4376 * doc/install.texi: Fix typos.
4378 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4380 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4381 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4382 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4384 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4386 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4387 arg to be struct mach_header_64* instead.
4389 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4392 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4393 side effects after the outer expression's post side effects.
4395 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4397 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4398 comments to reflect actual behavior and relationship between
4399 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4401 * doc/c-tree.texi (Working with declarations): Fix documentation
4402 of FIELD_DECL likewise.
4404 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4407 * doc/extend.texi: Add used variable attribute description.
4409 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4412 * c.opt (Woverride-init): New.
4413 * c-opts.c (c_common_post_options): Default warn_override_init to
4415 * c-typeck.c (add_pending_init, output_init_element): Warn for
4416 overriding initializers without side effects.
4417 * doc/invoke.texi (-Woverride-init): Document.
4420 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4422 PR rtl-optimization/28096
4423 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4424 assignment has already been used as a destination earlier in the block.
4426 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4428 * builtins.c (expand_builtin_setjmp): Delete.
4429 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4430 <BUILT_IN_SETJMP_SETUP>: New case.
4431 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4432 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4433 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4434 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4435 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4436 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4437 (lower_function_body): Initialize it to false. If it is set to true
4438 at the end of the processing, emit the setjmp dispatcher.
4439 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4440 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4441 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4442 on the rhs of the assignment.
4443 (lower_builtin_setjmp): New function.
4444 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4445 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4446 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4447 to detect calls that can go to non-local labels. Use specific
4448 helper to create the abnormal edges associated with them.
4449 <MODIFY_EXPR>: Likewise.
4450 (make_abnormal_goto_edges): New function extracted from...
4451 (make_goto_expr_edges): ...here. Call it for computed gotos.
4452 (simple_goto_p): Minor tweak.
4453 (tree_can_make_abnormal_goto): New predicate.
4454 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4455 (tree_purge_dead_abnormal_call_edges): New function.
4456 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4457 (tree_purge_dead_abnormal_call_edges): Likewise.
4458 (make_abnormal_goto_edges): Likewise.
4459 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4460 Purge all dead abnormal edges if the call was in the last statement.
4461 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4462 (execute_fixup_cfg): If there are non-local labels in the function,
4463 scan the basic blocks and split them at calls that can go to non-local
4464 labels or add missing abnormal call edges. Write down the CFG in the
4466 (pass_fixup_cfg): Remove TODO_dump_func flag.
4467 * unwind-sjlj.c: Poison setjmp.
4468 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4469 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4470 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4471 (DONT_USE_BUILTIN_SETJMP): Document it.
4473 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4476 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4477 to 1 when __ppc64__ is defined.
4478 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4480 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4482 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4484 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4485 * config/ia64/unwind-hpux.c: Delete.
4487 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4489 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4490 on the element before gimplifying it, instead of punting if it is of
4493 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4495 * doc/loop.texi: New file.
4496 * doc/gccint.texi: Reference loop.texi.
4497 * Makefile.in (loop.texi): Add.
4499 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4501 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4503 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4504 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4506 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4508 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4510 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4512 * doc/install.texi: Document required versions of GMP and MPFR.
4514 2006-09-27 Paul Brook <paul@codesourcery.com>
4517 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4519 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4521 * reload1.c (alter_reg): Require the alignment of the stack slot to
4522 be at least reg_max_ref_width bytes.
4523 (scan_paradoxical_subregs): Record the largest width in
4526 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4530 * tree-nested.c (struct nesting_info): Added static_chain_added.
4531 (convert_call_expr): Set static_chain_added when adding static
4532 chain. Handle OMP_PARALLEL and OMP_SECTION.
4534 2006-09-25 Matthias Klose <doko@debian.org>
4536 * doc/invoke.texi: Add missing full stop.
4538 2006-09-25 Richard Henderson <rth@redhat.com>
4540 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4541 before cgraph_function_flags_ready.
4543 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4544 Adam Nemet <anemet@caviumnetworks.com>
4546 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4547 determine_common_wider_type): New functions.
4548 (get_computation_aff): Use them to simplify arithmetic between
4549 UBASE and CBASE if they are shortened from the same type.
4551 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4554 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4555 -2147483647 - 1 instead of 0x80000000.
4557 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4559 * flags.h (HONOR_NANS): Fix typo in comment.
4561 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4563 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4565 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4569 * tree.c (merge_attributes, attribute_list_contained): If both
4570 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4572 * c-typeck.c (comptypes_internal): Don't consider aggregates
4573 in different TUs as compatible if there one set of attributes is
4574 not a subset of the other type's attributes.
4575 (composite_type): Try harder not to create a new aggregate type.
4577 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4579 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4580 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4581 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4582 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4583 than replicating condition above.
4584 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4586 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4587 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4588 the linker by default.
4590 2006-09-22 Mike Stump <mrs@apple.com>
4592 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4595 2006-09-22 Richard Guenther <rguenther@suse.de>
4598 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4599 sort of stack variables stable.
4601 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4604 * explow.c (force_reg): Set REG_POINTER flag according to
4607 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4609 PR tree-optimization/28888
4610 * tree-if-conv.c (combine_blocks): Rewritten.
4611 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4612 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4614 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4616 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4619 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4621 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4623 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4625 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4627 2006-09-21 Roger Sayle <roger@eyesopen.com>
4630 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4631 dw_fde_current_label, to be the start of the function, i.e. the same
4632 value as dw_fde_begin.
4634 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4636 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4637 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4638 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4639 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4640 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4641 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4642 (abs<mode>2, neg<mode>2): Likewise.
4643 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4644 (*mips_abs_ps): New define_insn.
4646 2006-09-20 Josh Conner <jconner@apple.com>
4649 * calls.c (expand_call): Allow reuse of structure return stack
4652 2006-09-20 Paul Brook <paul@codesourcery.com>
4654 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4657 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4659 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4660 clean up terminology.
4662 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4665 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4666 with tablejumps in them.
4668 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4671 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4672 wrap it into TARGET_EXPR.
4674 2006-09-20 Eric Christopher <echristo@apple.com>
4676 * config/i386/i386.c (x86_fisttp): Remove.
4677 * config/i386/i386.h (x86_fisttp): Ditto.
4678 (TARGET_FISTTP): Ditto.
4680 2006-09-19 Eric Christopher <echristo@apple.com>
4682 * doc/tm.texi (OBJC_JBLEN): Describe.
4683 * config/i386/darwin.h (OBJC_JBLEN): Define.
4684 * config/rs6000/darwin.h: Ditto.
4686 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4688 PR rtl-optimization/21299
4689 * reload1.c (reload): Purge invalid ASMs in the final pass.
4691 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4694 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4695 pointers as legitimate constants.
4697 2006-09-19 Paul Brook <paul@codesourcery.com>
4700 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4702 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4704 PR tree-optimization/28887
4705 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4706 component parts from the reference.
4707 (gather_memory_references_ref): Record the reference without the
4708 nonaddressable component parts.
4710 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4713 * c-opts.c (c_common_handle_option): Ignore the -std options
4714 if the input language is assembly.
4716 2006-09-17 Ira Rosen <irar@il.ibm.com>
4719 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4721 (ptr_ptr_may_alias_p): Likewise.
4722 (record_record_differ_p): New function.
4723 (base_object_differ_p): Call record_record_differ_p.
4725 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4728 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4729 away for the expr argument.
4731 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4734 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4735 before using it for dumping after vectorizing loops.
4737 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4738 Jack Howarth <howarth@bromo.med.uc.edu>
4741 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4742 skip on error_mark_node.
4743 (rs6000_darwin64_record_arg_recurse): Likewise.
4745 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4747 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4748 * doc/rtl.texi: Remove related documentation.
4750 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4752 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4755 2006-09-15 Jim Wilson <wilson@specifix.com>
4757 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4758 Handle symbol offsets same as they are handled in ia64_expand_move
4761 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4763 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4764 Add forgotten parameter to the fprintf call.
4766 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4768 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4770 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4772 * doc/contrib.texi: Add my entry.
4774 2006-09-15 Nick Clifton <nickc@redhat.com>
4776 * doc/md.texi (Processor pipeline description): Fix typo in
4777 example of how to use the absence_set directive and reword the
4778 description to make it slightly easier to read.
4780 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4782 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4783 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4784 expanding the number of iterations.
4785 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4787 * cfgrtl.c (emit_insn_at_entry): New function.
4788 * rtl.h (emit_insn_at_entry): Declare it.
4789 * integrate.c (emit_initial_value_sets): Use it.
4791 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4793 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4795 (struct loop_work and related VEC declarations): Delete.
4796 (bfin_dump_loops): Print out new member bad.
4797 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4798 (bfin_scan_loop): Don't recurse.
4799 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4800 loops. No longer need to update outer loops if the current one is
4801 found bad. Move some validitiy checks to bfin_discover_loop.
4802 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4803 but changed not to check for nesting. Also changed to use the new bad
4805 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4806 time. Use bitmap based test to discover loop nesting.
4808 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4810 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4813 2006-09-14 Richard Guenther <rguenther@suse.de>
4814 Kazu Hirata <kazu@codesourcery.com>
4816 PR middle-end/28884.
4817 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4818 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4819 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4820 with TARGET_FUNCTION_VALUE.
4822 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4825 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4827 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4829 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4832 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4835 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4838 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4840 * basic_block.h (bb_has_eh_pred): Fix comment.
4842 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4844 * flow.c (calculate_global_regs_live): Invalidate eh registers
4845 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4846 (propagate_block): Handle eh registers as if they were set at basic
4848 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4850 * global.c (global_conflicts): Make eh registers to conflict with
4851 pseudos live at basic block begin.
4852 * basic_block.h (bb_has_eh_pred): New function.
4854 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4856 PR rtl-optimization/28982
4857 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4858 index of a PRE_MODIFY or POST_MODIFY address.
4859 * reload1.c (inc_for_reload): Use find_replacement on the original
4860 base and index registers.
4862 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4864 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4865 for -Os. Update __m128 alignment requirement.
4867 2006-09-13 Jan Hubicka <jh@suse.cz>
4869 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4871 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4873 PR rtl-optimization/28243
4874 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4875 the insn to which the note was originally attached.
4877 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4878 Roger Sayle <roger@eyesopen.com>
4880 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4881 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4882 on platforms that don't use dwarf for debug info.
4884 2006-09-12 Jason Merrill <jason@redhat.com>
4887 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4888 hard_frame_pointer_rtx after using it to update the frame pointer.
4890 2006-09-12 Roger Sayle <roger@eyesopen.com>
4892 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4893 (TARGET_ASM_CLOSE_PAREN): Likewise.
4894 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4895 (TARGET_ASM_CLOSE_PAREN): Likewise.
4897 2006-09-12 Roger Sayle <roger@eyesopen.com>
4900 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4901 frame information for frames larger than 512 Kbytes on Tru64 when
4902 using the native assembler.
4904 2006-09-12 Roger Sayle <roger@eyesopen.com>
4908 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4909 and symbols. Instead use the implementation from cse.c's hash_rtx.
4911 2006-09-12 Jan Hubicka <jh@suse.cz>
4913 PR rtl-optimization/28071
4914 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4915 (vect_transform_loop): Likewise.
4916 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4917 (new_loop_vec_info): Likewise.
4918 (destroy_loop_vec_info): Likewise.
4919 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4920 (create_stmt_ann): Likewise.
4921 (create_tree_ann): Rename to ...
4922 (create_tree_common_ann): ... this one; allocate only the common part
4924 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4925 (get_value_handle): Likewise.
4926 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4927 get_tree_common_ann.
4928 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4929 (vinfo_for_stmt): Use stmt annotations.
4930 * tree-flow.h (tree_ann_common_t): New type.
4931 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4932 (tree_ann, get_tree_ann, create_tree_ann): New.
4933 * tree-flow-inline.h (get_function_ann): Do more type checking.
4934 (stmt_ann): Likewise.
4935 (tree_ann): Rename to ...
4936 (tree_common_ann): ... this one; return ony common_ann
4937 (get_tree_ann): Rename to ...
4938 (tree_common_ann): This one; return only common_ann.
4939 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4942 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4944 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4945 with_cpu by default.
4947 * dwarf2out.c (dwarf_file_data): New.
4948 (enum dw_val_class): Add dw_val_class_file.
4949 (struct dw_val_struct): Add val_file.
4950 (file_table): Change to a hash table.
4951 (file_table_emitted): Delete.
4952 (file_table_last_lookup_index): Delete.
4953 (emitcount): Delete.
4954 (last_emitted_file): New.
4955 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4956 (init_file_table): Delete.
4957 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4958 (AT_addr): Add comment.
4962 (print_die): Handle dw_val_class_file.
4963 (print_dwarf_line_table): Update for new file table structure.
4964 (attr_checksum): Do checksum a filename.
4965 (same_dw_val_p, same_attr_p): Do compare a filename.
4966 (size_of_die): Handle dw_val_class_file.
4967 (value_format): Likewise.
4968 (output_die): Likewise. Also, call maybe_emit_file here.
4969 (struct file_info): Constify filenames. Make file_idx a pointer
4970 to a struct dwarf_file_data.
4971 (struct dir_info): Constify directory names. Remove 'used' field.
4972 (struct file_name_acquire_data): New.
4973 (file_name_acquire): New.
4974 (output_file_names): Modify to handle new file data structures.
4975 (add_src_coords_attributes): Use add_AT_file.
4976 (add_call_src_coords_attributes): Likewise.
4977 (dwarf2out_imported_module_or_decl): Likewise.
4978 (gen_subprogram_die): Modify for new file data structures.
4979 (gen_variable_die): Likewise.
4980 (file_table_eq): New.
4981 (file_table_hash): New.
4982 (file_table_last_lookup): New.
4983 (lookup_filename): Rewrite to handle new file data structures.
4984 (maybe_emit_file): Rewrite to handle new file data structures.
4985 (dwarf2out_source_line): Always call lookup_filename and
4987 (dwarf2out_init): Create file_table here.
4988 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
4989 (file_table_relative_p): New.
4990 (dwarf2out_finish): Change detection of relative filenames
4991 to work with new file data structures. Move output_line_info call
4992 after debug_info output.
4994 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
4999 * config/i386/i386.c (override_options): Always default to 16
5000 byte stack boundary.
5002 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5005 * var-tracking.c (dump_dataflow_set): Start dumping at
5007 (clobber_variable_part): Kill only the variable part in
5008 registers holding it, leaving other variables alone.
5010 2006-09-11 Josh Triplett <josh@freedesktop.org>
5012 * doc/extend.texi (Other Builtins): Actually use the macro
5013 argument in the documentation example for
5014 __builtin_types_compatible_p.
5016 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5018 PR rtl-optimization/28726
5019 * sched-deps.c (sched_analyze_reg): New function extracted from...
5020 (sched_analyze_1): ...here. Call it to analyze references to
5021 registers. Treat again writes to a stack register as writing to the
5023 (sched_analyze_2): ...and here. Call it to analyze references to
5024 registers. Treat again reads of a stack register as reading the
5027 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5028 David Edelsohn <edelsohn@gnu.org>
5031 * config/rs6000/spe.md (frob_df_di): Remove %H.
5032 (frob_di_df): Remove %H. Change evmergelo to mr.
5033 (frob_di_df_2): Remove %H. Change evldd to two loads.
5035 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5037 * doc/cpp.texi: Fix names of charset options.
5039 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5042 * config/i386/i386.c (override_options): Use 128-bit
5043 stack boundary always for 64bits.
5045 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5047 PR rtl-optimization/28636
5048 * combine.c (force_to_mode): Test for side-effects before
5049 substituting by zero.
5050 (simplify_shift_const): Likewise for zero or other constants.
5052 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5055 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5058 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5061 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5062 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5063 returned by mode_for_size, rather than the mode of src itself,
5064 to choose between 32-bit and 64-bit patterns.
5065 (mips_mem_fits_mode_p): New function.
5066 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5067 that the size of the source matches the size of the destination.
5068 (mov_<store>l, mov_<store>r): Likewise.
5070 2006-09-10 Eric Christopher <echristo@apple.com>
5072 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5075 2006-09-09 Eric Christopher <echristo@apple.com>
5078 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5081 2006-09-09 Roger Sayle <roger@eyesopen.com>
5082 Nicolas Setton <setton@adacore.com>
5084 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5086 2006-09-10 Andreas Schwab <schwab@suse.de>
5088 * config/m68k/m68k.md (bungt_rev): New pattern.
5090 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5091 Dale Johannesen <dalej@apple.com>
5094 * regclass.c (struct reg_pref): Update documentation.
5095 (regclass): Set prefclass to NO_REGS if memory is the best option.
5096 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5098 2006-09-08 Eric Christopher <echristo@apple.com>
5100 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5101 * config/t-slibgcc-darwin: Support x86_64 multilib.
5102 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5103 Return 1 for x86_64-darwin.
5104 * config/i386/t-darwin: Add m64 multilib.
5105 (LIB2_SIDITI_CONV_FUNCS): Use.
5106 (LIB2FUNCS_EXTRA): Ditto.
5107 * config/i386/darwin.h: Support x86_64.
5108 * config/i386/i386.c (override_options): Turn on flag_pic
5109 for x86_64-darwin. Disable flag_omit_pointer.
5110 (get_pc_thunk_name): Assert !TARGET_64BIT.
5111 (legitimate_address_p): Disable machopic addressing for
5113 (legitimize_pic_address): Ditto.
5114 (ix86_expand_move): Ditto.
5115 (ix86_expand_call): Ditto.
5116 (machopic_output_stub): Ditto.
5117 * config/darwin.c (machopic_select_section): Support literal16.
5118 (machopic_select_rtx_section): Ditto.
5119 * config/darwin-sections.def: Ditto.
5120 * config/darwin-64.c: New.
5122 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5125 * c-tree.h (struct c_arg_info): Add pending_sizes.
5126 * c-parser.c (c_parser_parms_declarator,
5127 c_parser_parms_list_declarator): Initialize pending_sizes.
5128 * c-decl.c (get_parm_info): Initialize pending_sizes.
5129 (get_parm_info): Set pending_sizes.
5130 (grokdeclarator): Call put_pending_sizes for parameters for
5131 function definition only.
5133 2006-09-07 Jason Merrill <jason@redhat.com>
5136 * varasm.c (output_constant): Only strip actual no-op conversions.
5139 * config/i386/i386.c (override_options): Use 128-bit
5140 stack boundary if -msse.
5142 2006-09-07 Eric Christopher <echristo@apple.com>
5144 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5146 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5149 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5151 * dwarf2out.c: Remove strange characters from comment above
5152 dwarf2out_frame_debug_expr.
5154 2006-09-07 Eric Christopher <echristo@apple.com>
5156 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5157 * config/darwin.h: ... to here.
5159 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5161 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5163 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5164 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5166 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5167 TARGET_PARTIAL_FLAG_REG_STALL.
5168 (*ashldi3_cconly_rex64): Likewise.
5169 (*ashlsi3_cmp): Likewise.
5170 (*ashlsi3_cconly): Likewise.
5171 (*ashlsi3_cmp_zext): Likewise.
5172 (*ashlhi3_cmp): Likewise.
5173 (*ashlhi3_cconly): Likewise.
5174 (*ashlqi3_cmp): Likewise.
5175 (*ashlqi3_cconly): Likewise.
5176 (*ashrdi3_cmp_rex64): Likewise.
5177 (*ashrdi3_cconly_rex64): Likewise.
5178 (*ashrsi3_cmp): Likewise.
5179 (*ashrsi3_cconly): Likewise.
5180 (*ashrsi3_cmp_zext): Likewise.
5181 (*ashrhi3_cmp): Likewise.
5182 (*ashrhi3_cconly): Likewise.
5183 (*ashrqi3_cmp): Likewise.
5184 (*ashrqi3_cconly): Likewise.
5185 (*lshrdi3_cmp_rex64): Likewise.
5186 (*lshrdi3_cconly_rex64): Likewise.
5187 (*lshrsi3_cmp): Likewise.
5188 (*lshrsi3_cconly): Likewise.
5189 (*lshrsi3_cmp_zext): Likewise.
5190 (*lshrhi3_cmp): Likewise.
5191 (*lshrhi3_cconly): Likewise.
5192 (*lshrqi2_cmp): Likewise.
5193 (*lshrqi2_cconly): Likewise.
5195 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5198 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5199 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5200 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5201 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5202 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5203 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5204 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5205 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5206 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5207 implement only CC setting effects of shift instructions.
5209 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5211 * doc/contrib.texi: Add myself.
5213 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5216 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5217 was set by the user.
5219 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5222 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5223 (divsi_inv_m1): Use them.
5224 (UNSPEC_DIV_INV_TABLE): New constant.
5226 2006-09-06 James E Wilson <wilson@specifix.com>
5229 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5230 then call count_or_remove_death_notes.
5232 2006-09-06 Jason Merrill <jason@redhat.com>
5235 * tree-inline.c (copy_result_decl_to_var): New fn.
5236 (declare_return_variable): Use it. Call declare_inline_vars here.
5237 (expand_call_inline): Not here.
5239 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5241 * doc/contrib.texi: Update my entry.
5243 2006-09-06 Nick Clifton <nickc@redhat.com>
5245 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5247 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5250 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5251 (canonicalize_induction_variables): Likewise.
5252 (tree_unroll_loops_completely): Likewise.
5253 (tree_ssa_prefetch_arrays): Likewise.
5254 (remove_empty_loops): Likewise.
5255 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5256 TODO_cleanup_cfg instead of directly calling
5257 cleanup_tree_cfg_loop.
5258 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5260 (tree_unroll_loops_completely): Likewise.
5261 (remove_empty_loops): Likewise.
5262 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5263 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5264 of tree_ssa_unswitch_loops.
5265 (tree_ssa_loop_ivcanon): Use the return value of
5266 canonicalize_induction_variables.
5267 (tree_ssa_empty_loop): Use the return value of
5269 (tree_complete_unroll): Use the return value of
5270 tree_unroll_loops_completely.
5271 (tree_ssa_loop_prefetch): Use the return value of
5272 tree_ssa_prefetch_arrays.
5273 * passes.c (execute_todo): Before Cleanup CFG, set
5274 updating_used_alone and after cleanup CFG, call
5275 recalculate_used_alone.
5277 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5280 * tree-vect-transform.c (vectorizable_condition): Move the check
5281 for the type after the check for simple condition.
5283 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5284 Kaz Kojima <kkojima@gcc.gnu.org>
5287 * mode-switching.c (optimize_mode_switching): Make the destination
5288 block of an abnormal edge have no anticipatable mode. Don't
5289 insert mode switching code at the end of the source block of
5292 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5294 PR rtl-optimization/26847
5295 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5296 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5297 (simplify_plus_minus): Count n_constants while filling ops. Replace
5298 qsort with insertion sort. Before going through the array to simplify
5299 pairs, sort it. Delay early exit until after the first sort, exiting
5300 only if no swaps occurred. Simplify pairs in reversed order, without
5301 special-casing the first iteration. Pack ops after simplifying pairs.
5303 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5305 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5306 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5307 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5308 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5310 2006-09-05 Richard Guenther <rguenther@suse.de>
5312 PR tree-optimization/28900
5313 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5314 compound conditional before creating COND_EXPR condition.
5316 2006-09-05 Richard Guenther <rguenther@suse.de>
5318 PR tree-optimization/28905
5319 * tree-vrp.c (fix_equivalence_set): Manually implement
5320 !value_ranges_intersect_p to also handle symbolic ranges.
5322 2006-09-05 Richard Guenther <rguenther@suse.de>
5325 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5328 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5330 PR rtl-optimization/27616
5331 * cse.c (table_size): New static variable.
5332 (new_basic_block): Initialize it to 0.
5333 (remove_from_table): Decrement it.
5334 (insert): Increment it.
5335 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5336 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5337 fold_rtx_mem_1 if under the cap.
5338 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5339 the lookup of the equivalent expression and test for equality of the
5340 first operand of the equivalent expression before in turn looking up
5341 an equivalent constant for the second operand.
5343 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5346 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5347 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5348 pointer, instead of assuming it is possible to derive the
5349 correct args size from a call insn.
5351 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5354 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5355 (fold_builtin_mempcpy): Rename to...
5356 (fold_builtin_memory_op): ... this. Optimize one element copy
5358 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5360 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5361 (expand_builtin_memcpy, expand_builtin_mempcpy,
5362 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5363 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5364 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5365 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5367 2006-09-01 DJ Delorie <dj@redhat.com>
5369 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5370 (stzx_16): Likewise.
5371 ("stzx_24_<mode>"): Likewise.
5372 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5373 ("cmp<mode>_op"): New.
5374 (cmp<mode>): Change to expander; just save operands.
5376 (b<code>): Change to expander, emit compare here.
5377 (s<code>_op): Change to use split and expander.
5378 (s<code>_24_op): Likewise.
5379 (s<code>_<mode>): New.
5380 (s<code>_<mode>_24): New.
5381 (movqicc_<code>_<mode): New.
5382 (movhicc_<code>_<mode>): New.
5385 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5386 (m32c_pend_compare): New.
5387 (m32c_unpend_compare): New.
5388 (m32c_expand_scc): New.
5389 (m32c_expand_movcc): Emit the compare also.
5390 * config/m32c/predicates.md (mra_nopp_operand): New.
5392 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5393 Richard Guenther <rguenther@suse.de>
5394 Adam Nemet <anemet@caviumnetworks.com>
5397 * builtins.c (get_pointer_alignment): Handle more forms
5398 of base addresses that can be used to derive more precise
5399 information about alignment.
5401 2006-09-01 Jason Merrill <jason@redhat.com>
5404 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5407 * gimplify.c (voidify_wrapper_expr): Handle null type.
5409 2006-09-01 Josh Conner <jconner@apple.com>
5412 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5413 (execute_return_slot_opt): Use it.
5415 2006-08-31 Josh Conner <jconner@apple.com>
5418 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5419 returning aggregates.
5421 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5423 PR tree-optimization/28839
5424 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5425 blocks in that phi arguments appear.
5427 2006-08-31 Roger Sayle <roger@eyesopen.com>
5430 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5431 NULL, otherwise use an advance_loc4 to adjust relative to the
5433 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5434 (dwarf2out_switch_text_section): Reset the current label to avoid
5435 using advance_loc4 over section boundaries.
5437 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5440 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5441 r12 + SYMBOLIC_CONST.
5443 2006-08-30 Richard Guenther <rguenther@suse.de>
5445 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5447 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5449 PR rtl-optimization/27735
5450 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5451 Add new argument to keep track of whether an irreducible region
5452 was affected. All callers changed.
5453 (fix_irreducible_loops): Removed.
5454 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5455 flags were invalidated.
5457 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5459 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5460 instead of SF operands.
5461 (*fop_df_comm_sse): Likewise.
5462 (*fop_df_comm_i387): Likewise.
5463 (*fop_df_1_mixed): Likewise.
5464 (*fop_df_1_sse): Likewise.
5466 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5467 J"orn Rennecke <joern.rennecke@st.com>
5469 PR tree-optimization/17506
5470 * tree-ssa.c (warn_uninit): If warning about a location outside of
5471 the current function, note where the variable was declared.
5473 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5475 PR tree-optimization/28411
5476 * double-int.c (double_int_div): Use double_int_divmod.
5477 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5478 double_int_mod, double_int_smod, double_int_umod): New functions.
5479 * double-int.h (double_int_divmod, double_int_sdivmod,
5480 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5482 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5484 (get_computation_aff, get_computation_cost_at): Handle double_int
5485 return type of constant_multiple_of.
5487 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5490 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5491 an implicit conversion.
5493 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5495 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5497 2006-08-27 Roger Sayle <roger@eyesopen.com>
5499 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5502 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5504 * config/i386/crtfastmath.c: Fix a comment typo.
5506 2006-08-26 Roger Sayle <roger@eyesopen.com>
5508 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5509 temporary visit flags on CASE_LABEL_EXPRs.
5510 * c-common.c (match_case_to_enum): Add function comment. Avoid
5511 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5512 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5513 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5514 a constant, only warn if that constant value isn't handled.
5516 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5519 * input.h (restore_input_file_stack): Declare.
5520 (INPUT_FILE_STACK_BITS): Define.
5521 * toplev.c (fs_p, input_file_stack_history,
5522 input_file_stack_restored, restore_input_file_stack): New.
5523 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5524 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5525 (pop_srcloc): Don't free old state of stack.
5527 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5530 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5531 (PowerPC Type Attributes): New.
5533 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5535 * config/xtensa/xtensa.c (function_arg_boundary): New.
5536 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5538 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5539 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5541 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5544 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5547 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5549 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5550 (verify_local_live_at_start): Likewise.
5552 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5555 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5556 omp_add_variable): Treat sizes as variable whenever not
5559 2006-08-26 Richard Guenther <rguenther@suse.de>
5562 * fold-const.c (fold_binary): Fold temporary to correct
5563 type before constructing new comparison.
5565 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5568 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5569 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5571 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5574 * c-decl.c (start_function): Don't try to process prototype
5575 information from old declaration that isn't a function.
5577 2006-08-25 Jan Hubicka <jh@suse.cz>
5580 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5582 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5585 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5588 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5590 PR tree-optimization/16876
5591 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5592 exit if PARM doesn't match VALUE.
5594 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5596 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5597 literal_prefix directive.
5598 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5599 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5600 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5602 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5605 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5606 predicate to general_operand. Add 0->y and I->r alternatives.
5608 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5610 * doc/tm.texi: Fix a typo.
5611 * predict.c: Fix comment typos.
5613 2006-08-25 Nick Clifton <nickc@redhat.com>
5615 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5616 assertions of "cpu" and "machine".
5618 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5621 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5622 the access through a base which has an alias set of 0 cannot
5625 2006-08-24 Bill Wendling <wendling@apple.com>
5627 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5629 2006-08-24 Jan Hubicka <jh@suse.cz>
5631 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5633 2006-08-24 Jan Hubicka <jh@suse.cz>
5636 * cgraph.c: Fix comments.
5637 (cgraph_varpool_mark_needed_node): Mark only variables not already
5639 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5640 (cgraph_varpool_assembled_nodes_queue): New static variable.
5641 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5642 (cgraph_varpool_output_debug_info): New function.
5643 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5644 * Makefile.in: Add gt-cgraphunit.h
5646 2006-08-24 Jan Hubicka <jh@suse.cz>
5648 * predict.c (probability_reliable_p): New predicate.
5649 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5650 (predict_loops): Do not predict loop exit with less than 2%
5652 * basic-block.h (edge_probability_reliable_p,
5653 br_prob_note_reliable_p): Declare.
5654 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5655 prediction when static predictor is not reliable.
5656 * rs6000.c (output_cbranch): Likewise.
5658 2006-08-23 Stuart Hastings <stuart@apple.com>
5661 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5662 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5664 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5667 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5668 complex values, nor for generic vector values.
5670 2006-08-22 Richard Guenther <rguenther@suse.de>
5673 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5674 parameter. Convert arguments to arithmetic expression to the
5676 (analyze_scalar_evolution_1): Adjust caller.
5678 2006-08-22 Jan Hubicka <jh@suse.cz>
5680 Patch by Paolo Bonzini
5681 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5684 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5686 PR tree-optimization/28003
5687 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5688 before grouping aliases.
5690 2006-08-22 Roger Sayle <roger@eyesopen.com>
5692 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5693 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5695 2006-08-21 Jason Merrill <jason@redhat.com>
5698 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5699 wrapper. Loop to handle nested wrappers.
5700 (gimplify_bind_expr): Remove temp parameter.
5701 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5702 and STATEMENT_LIST on the rhs.
5703 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5704 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5705 (gimplify_target_expr): Remove special BIND_EXPR handling.
5707 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5709 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5712 2006-08-21 Olivier Hainque <hainque@adacore.com>
5714 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5715 Arrange for the temporary captures of components overlapping the lhs
5716 to happen before the lhs is possibly cleared.
5718 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5720 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5721 necessary places to pass the correct "number of registers" values
5724 2006-08-20 Jan Hubicka <jh@suse.cz>
5726 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5727 (create_name_tags): Instead of quadratic checking use hashtable.
5728 * bitmap.h: Include hashtab.h.
5729 (bitmap_hash): Declare.
5730 * bitmap.c (bitmap_hash): New function.
5732 2006-08-20 Jan Hubicka <jh@suse.cz>
5734 PR rtl-optimization/28071
5735 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5737 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5738 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5739 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5740 cgraph_decide_inlining_incrementally): Update use of
5741 cgraph_check_inline_limits.
5742 * cgraph.c (edge_hash, edge_eq): New function.
5743 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5744 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5745 cgraph_remove_node): Maintain call site hash.
5746 * cgraph.h (struct cgraph_node): Add call_site_hash.
5747 (cgraph_set_call_stmt): New function.
5749 2006-08-20 Jan Hubicka <jh@suse.cz>
5751 PR rtl-optimization/28071
5752 * reload1.c (reg_has_output_reload): Turn into regset.
5753 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5754 choose_reload_regs, emit_reload_insns): Update to new
5755 reg_has_output_reload.
5757 2006-08-20 Jan Hubicka <jh@suse.cz>
5760 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5761 function body sizes.
5762 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5764 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5767 * tree.c (handle_dll_attribute): Return early if not a
5768 var or function decl.
5770 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5773 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5774 alignment of SPE vector types.
5776 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5778 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5780 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5783 * cgraph.h (struct cgraph_node): Remove externally_visible
5785 * cgraphunit.c (process_function_and_variable_attributes): Set
5786 local.externally_visible rather than externally_visible.
5789 * c-common.c (handle_externally_visible_attribute): First look
5790 at TREE_CODE and only if it is function or var decl, check for
5791 non-public objects. Don't warn for DECL_EXTERNAL.
5792 * cgraphunit.c (process_function_and_variable_attributes): Warn
5793 if externally_visible attribute is used on non-public object.
5795 2006-08-17 Jan Hubicka <jh@suse.cz>
5797 PR tree-optimization/27865
5798 * reload1.c (forget_marked_reloads): New function.
5799 (forget_old_reloads_1): When data are passed, just mark the registers
5801 (reload_as_needed): Use the new mechanizm.
5803 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5806 * reload.h (reg_equiv_alt_mem_list): New declaration.
5807 * reload1.c (reg_equiv_alt_mem_list): New definition.
5808 (reload): Initialize it and release it.
5809 (delete_output_reload): Use it.
5810 * reload.c (push_reg_equiv_alt_mem): New function.
5811 (find_reloads_toplev): Call it.
5812 (find_reloads_address, find_reloads_address_1): Likewise.
5813 (find_reloads_subreg_address): Likewise.
5815 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5817 PR rtl-optimization/28489
5818 * sched-ebb.c (begin_schedule_ready): Create basic block
5820 (advance_target_bb): Skip empty blocks.
5821 * haifa-sched.c (bb_note): Make global.
5822 * sched-int.h (bb_note): Add prototype.
5824 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5826 PR tree-optimization/27865
5827 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5829 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5830 fold_used_pointer, pointer_used_p): New functions.
5831 (analyze_scalar_evolution_1): Use fold_used_pointer.
5832 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5833 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5836 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5839 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5840 or the INTEGER_CST. Fail on a CALL_EXPR.
5841 (fold_offsetof): Pass new argument to fold_offsetof_1.
5842 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5843 operand into an INDIRECT_REF.
5844 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5846 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5848 PR gcov/profile/26570
5849 * value-prof.c (static_values): Removed.
5850 (tree_find_values_to_profile): Do not set static_values.
5851 (find_values_to_profile): Do not free static_values.
5852 * profile.c (instrument_values): Do not free the values.
5853 (branch_prob): Free the values.
5855 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5857 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5859 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5862 * c-typeck.c (build_component_ref): Combine qualifiers of
5863 structure or union and field.
5865 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5867 PR rtl-optimization/28071
5868 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5869 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5870 * tree-into-ssa.c (struct dom_dfsnum): New.
5871 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5873 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5874 compute_global_livein.
5875 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5876 in phi nodes in the correct blocks.
5878 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5880 PR tree-optimization/28364
5881 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5883 (fold_affine_expr): New function.
5884 (may_eliminate_iv): Use fold_affine_expr.
5886 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5889 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5892 2006-08-16 Mike Stump <mrs@apple.com>
5894 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5895 * doc/cppopts.texi (-MD): Likewise.
5897 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5900 * c-common.c (handle_weak_attribute): Ignore and warn if
5901 not a FUNCTION_ or VAR_DECL.
5903 2006-07-15 Mike Stump <mrs@apple.com>
5906 * c-parser.c (c_parser_typeof_specifier): Don't use
5907 c_finish_expr_stmt, open code desired semantics instead.
5909 2006-08-15 Nick Clifton <nickc@redhat.com>
5911 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5912 fragment to tmake_file only if threads are enabled.
5913 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5914 * config/i386/t-gthr-win32: New file. ... here.
5916 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5919 * c-parser.c (c_parser_compound_statement_nostart): Reset
5920 parser->error after each statement.
5922 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5925 * omp-low.c (lower_omp_parallel): Convert t to
5926 receiver_decl's type.
5927 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5928 source before comparison.
5931 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5932 to itype in assignment to oldival2.
5934 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5938 * c-typeck.c (build_compound_expr): If the second expression
5939 is an error mark, then just return an error mark instead of
5940 creating a COMPOUND_EXPR.
5942 2006-07-14 Mike Stump <mrs@apple.com>
5944 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5946 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5948 * c-decl.c, var-tracking.c: Fix comment typos.
5950 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5952 PR rtl-optimization/28634
5953 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5954 for floating-point modes unless flag_unsafe_math_optimizations.
5956 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5957 Andrew Pinski <pinskia@physics.uc.edu>
5960 * tree.c (build_array_type): Unify array types with
5961 unspecified index_type.
5962 * c-decl.c (grokdeclarator): Make sure we do not modify a
5963 unified incomplete array type.
5964 * c-typeck.c (store_init_value): Create distinct type before
5965 filling in the index type in an initializer from a compound
5968 * c-decl.c (grokdeclarator): Remove code where we copy the
5971 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5973 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5974 into account for TODO_dump_cgraph.
5975 (TODO_update_ssa_no_phi): Likewise.
5976 (TODO_update_ssa_full_phi): Likewise.
5977 (TODO_update_ssa_only_virtuals): Likewise.
5978 (TODO_remove_unused_locals): Likewise.
5979 (TODO_set_props): Likewise.
5980 (TODO_update_stmt_usage): Likewise.
5982 2006-08-13 Dirk Mueller <dmueller@suse.de>
5984 * c-common.c (strict_aliasing_warning): Fix formatting.
5986 2006-08-13 Matthias Klose <doko@debian.org>
5988 * doc/invoke.texi: Fix spelling errors.
5990 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5992 PR rtl-optimization/23454
5993 * reorg.c (relax_delay_slots): Update comment.
5995 2006-08-11 Richard Guenther <rguenther@suse.de>
5998 * simplify-rtx.c (simplify_const_relational_operation):
5999 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6002 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6004 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6005 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6007 2006-08-10 Paul Brook <paul@codesourcery.com>
6009 * final.c (final_scan_insn): Clear current_insn_predicate before
6010 outputting inline asm.
6012 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6014 PR tree-optimization/26197
6015 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6016 get_ref_base_and_extent and overlap_subvar to add only relevant
6017 subvars as may-aliases.
6018 (add_may_alias_for_new_tag): New function, factored out of
6020 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6021 with additional argument.
6022 * tree-flow.h (new_type_alias): Takes additional argument.
6024 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6026 * gcov.c (no_data_file): New flag.
6027 (read_count_file): Set it if data file not present. Assume counts
6029 (output_lines): Don't name the data file, if there wasn't one.
6031 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6033 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6034 (rs6000_generate_compare): Tweak comments.
6035 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6037 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6039 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6040 (var_debug_decl): New function.
6041 (var_reg_set): Follow debug decl link. Add location even if
6042 reg is already known to hold some other variable.
6043 (var_mem_set): Follow debug decl link.
6044 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6045 decl link. Delete other known locations of the variable part
6047 (var_reg_delete, var_mem_delete): Delete other known locations
6048 of the variable part if requested.
6049 (same_variable_part_p): New function.
6050 (add_stores): Select MO_COPY when appropriate.
6051 (vt_initialize): Handle it.
6052 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6053 known locations for MO_SET and MO_CLOBBER.
6054 (find_variable_location_part): New function.
6055 (set_variable_part, delete_variable_part): Use it.
6056 (clobber_variable_part): New function.
6057 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6060 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6062 PR tree-optimization/26969
6063 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6064 with an empty list of PHIs.
6066 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6070 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6073 2006-08-06 Andreas Schwab <schwab@suse.de>
6075 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6076 string. Whitespace and comment fixup.
6078 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6081 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6085 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6088 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6090 2006-08-04 Jan Hubicka <jh@suse.cz>
6094 * reload.c (push_reload): Patch out the mismatching instruction;
6096 (find_reload): Bail out if the instruction was patched out.
6098 2006-08-04 Jan Hubicka <jh@suse.cz>
6100 PR tree-optimization/24888
6101 * tree-inline.c (expand_call_inline): Do not re-record variables.
6102 (declare_inline_vars): Add variable to unexpanded_var_list.
6104 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6105 Roger Sayle <roger@eyesopen.com>
6107 PR rtl-optimization/26244
6108 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6109 inner_const are negative or greater than or equal to the bitsize of
6110 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6111 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6112 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6113 CONST0_RTX (mode) when the new shift count is greater than or equal to
6114 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6117 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6119 * tree-cfg.c: Fix a comment typo.
6121 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6124 * varasm.c (output_constant): Give the front end another chance to
6125 expand constants, after stripping NOPs.
6127 2006-08-03 Jan Hubicka <jh@suse.cz>
6129 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6132 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6134 PR tree-optimization/27770
6135 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6136 declaration removed (moved to tree-flow.h).
6137 (vect_can_force_dr_alignment_p): Likewise.
6138 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6139 (moved from tree-vectorizer.h).
6140 (vect_can_force_dr_alignment_p): Likewise.
6141 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6142 from outside the vectorizer - in particular from cgraph stage.
6143 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6144 the alignment of global arrays when -fsection-anchors is enabled.
6145 * cgraphunit.c (cgraph_increase_alignment): New function.
6146 (cgraph_optimize): Call cgraph_increase_alignment.
6148 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6151 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6152 not reload a SPE symbol_ref into a lo_sum address.
6154 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6157 * dwarf2out.c (prune_unused_types_prune): Move call to
6158 prune_unused_types_update_strings to cover the parent DIE also.
6160 2006-08-02 Jan Hubicka <jh@suse.cz>
6162 PR gcov/profile/28480
6163 * tree-cfg.c (change_bb_for_stmt): New function.
6164 (tree_merge_blocks, tree_split_blocks): Use it.
6166 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6172 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6173 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6174 (cgraph_optimize): Likewise.
6176 2006-08-01 Stuart Hastings <stuart@apple.com>
6178 * rtl.h (UINTVAL) New.
6179 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6180 * testsuite/gcc.dg/20060801-1.c: New.
6182 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6185 * c-typeck.c (build_external_type): Mark used enum types.
6186 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6188 (gen_subprogram_die): Whitespace fix.
6190 2006-08-01 Jan Hubicka <jh@suse.cz>
6192 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6193 bitmap when not needed.
6194 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6197 2006-08-01 Dirk Mueller <dmueller@suse.de>
6199 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6201 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6203 * Makefile.in: Revert part of previous patch:
6204 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6207 2006-07-30 Eric Christopher <echristo@apple.com>
6210 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6211 (PowerPC Variable Attributes): New section.
6213 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6215 PR target/28126 (partial fix)
6216 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6218 2006-07-28 Jan Hubicka <jh@suse.cz>
6220 PR rtl-optimization/28071
6221 * cfgrtl.c (rtl_delete_block): Free regsets.
6222 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6224 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6226 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6227 and variables used in dependencies.
6229 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6231 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6232 %fs for -mcmodel=kernel.
6233 (stack_tls_protect_test_di): Likewise.
6235 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6237 * Makefile.in: Use mkinstalldirs.
6239 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6242 * opts-common.c (prune_options): Skip joined switches.
6244 2006-07-27 Jan Hubicka <jh@suse.cz>
6246 PR rtl-optimization/28071
6247 * cselib.c (cselib_process_insn): Don't remove useless values too
6248 often for very large hashtables.
6250 2006-07-27 Jan Hubicka <jh@suse.cz>
6252 PR rtl-optimization/28071
6253 * global.c (greg_obstack): New obstack.
6254 (allocate_bb_info): Use it.
6255 (free_bb_info): Likewise.
6256 (modify_reg_pav): Likewise.
6258 2006-07-27 Roger Sayle <roger@eyesopen.com>
6260 * builtins.c (fold_fixed_mathfn): When long and long long are the
6261 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6262 functions to their lceil*, lfloor*, lround* and lrint* forms.
6264 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6267 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6269 (rev_branch_insn): Likewise.
6271 2006-07-27 Jan Hubicka <jh@suse.cz>
6273 PR rtl-optimization/28071
6274 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6275 (reg_set_in_bb, max_reg_computed): New static variables.
6276 (regmove_optimize): Free the new array.
6277 (fixup_match_1): Update call of reg_is_remote_constant_p.
6279 2006-07-26 Jan Hubicka <jh@suse.cz>
6281 PR tree-optimization/27882
6282 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6284 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6286 (cgraph_analyze_compilation_unit): Likewise.
6287 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6288 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6289 (cgraph_early_inlinine): Make order garbage collected.
6290 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6292 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6294 * dbxout.c (output_types_sort): Add a comment.
6295 (output_used_types): Free the VEC.
6297 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6299 * function.c (reorder_fix_fragments): Delete.
6300 (reorder_blocks): Don't call it.
6301 (reorder_blocks_1): Put all subblocks under the origin block.
6303 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6305 PR rtl-optimization/27907
6306 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6309 2006-07-25 Roger Sayle <roger@eyesopen.com>
6312 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6313 bar(x) check that bar's result type can represent all the values of T.
6315 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6317 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6319 2006-07-25 Nick Clifton <nickc@redhat.com>
6321 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6322 size_lookup[] array.
6323 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6324 (ggc_pch_count_object): Likewise.
6325 (ggc_pch_alloc_object): Likewise.
6326 (ggc_pch_write_object): Likewise.
6327 (init_ggc): Do not attempt to initialize entries in the
6328 size_lookup[] array for objects whose size is greater than than
6329 the length of the array.
6331 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6333 * dbxout.c (output_used_types_helper): Push queued types
6335 (output_types_sort): New.
6336 (output_used_types): Collect used types on a VEC and sort them
6339 2006-07-24 Richard Guenther <rguenther@suse.de>
6342 * cgraph.c (cgraph_remove_node): Do not check if dumps
6344 * cgraphunit.c (cgraph_optimize): Likewise.
6346 2006-07-24 Jan Hubicka <jh@suse.cz>
6348 PR rtl-optimization/28071
6349 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6350 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6351 splitting before first stmt.
6353 2006-07-24 Jan Hubicka <jh@suse.cz>
6355 PR rtl-optimization/28071
6356 * ipa-inline.c (update_caller_keys): Remove edges that
6357 are no longer inline candidates.
6359 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6362 * dbxout.c (output_used_types_helper, output_used_types): New.
6363 (dbxout_symbol): Call output_used_types.
6365 2006-07-23 Jan Hubicka <jh@suse.cz>
6369 * cgraph.c (cgraph_varpool_nodes): Export.
6370 (decide_is_variable_needed): Ignored "used" attribute in
6371 unit-at-a-time mode.
6372 * cgraph.h (cgraph_varpool_nodes): Declare.
6373 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6374 unit-at-a-time mode.
6376 2006-07-23 Roger Sayle <roger@eyesopen.com>
6379 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6380 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6381 the __gthrw form of thr_keycreate.
6382 (__gthread_key_delete): Silence the unused argument warning.
6384 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6387 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6388 Cache the last found '\0' marker to avoid quadratic behavior.
6390 2006-07-23 Jan Hubicka <jh@suse.cz>
6392 * i386.md (subsi_3_zext): Fix output template.
6394 2006-07-21 Mike Stump <mrs@apple.com>
6396 * doc/invoke.texi (C++ Dialect Options): Note that
6397 -fvisibility-inlines-hidden doesn't affect explicitly
6398 instantiationed inline methods.
6400 2006-07-20 Roger Sayle <roger@eyesopen.com>
6402 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6403 if the target assembler is GNU binutils' gas.
6404 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6405 whether to pass GNU gas or native as command line options.
6407 2006-07-20 Jason Merrill <jason@redhat.com>
6409 * tree.c (remove_attribute): New fn.
6410 * tree.h: Declare it.
6412 2006-07-20 Paul Brook <paul@codesourcery.com>
6415 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6416 they are invalidated by this instruction.
6418 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6421 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6423 2006-07-20 Eric Christopher <echristo@apple.com>
6426 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6428 2006-07-19 Eric Christopher <echristo@apple.com>
6430 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6431 Rewrite dependencies for libgcc_s.1.dylib.
6433 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6435 * except.c (duplicate_eh_regions_1): Clear next_peer.
6437 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6439 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6440 -mlongcall does not guarantee all calls will be long.
6441 * doc/extend.texi (long_call/short_call): Document that longcall
6442 does not guarantee a long call will be used.
6443 (longcall/shortcall): Likewise.
6445 2006-07-18 Roger Sayle <roger@eyesopen.com>
6448 * expmed.c (expand_shift): Additionally check that the shift_cost
6449 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6450 before implementing a LSHIFT_EXPR as a sequence of additions.
6451 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6452 middle-end that DImode shifts need to be synthesized by expand.
6454 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6457 * tree-ssa-operands.c (access_can_touch_variable): Update
6459 Return true if ALIAS is .GLOBAL_VAR.
6461 2006-07-18 David Daney <ddaney@avtrex.com>
6463 * gcc.c (display_help): Fix typo in help text.
6465 2006-07-18 Olivier Hainque <hainque@adacore.com>
6467 * tree.h (categorize_ctor_elements): Adjust prototype and add
6468 descriptive comment, both in accordance with the interface change
6470 * varasm.c (constructor_static_from_elts_p): New function.
6471 Whether a constructor node is a valid static constant initializer
6472 if all its elements are.
6473 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6474 * output.h: Declare it.
6475 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6476 is a valid constant initializer instead of computing the number of
6477 non-constant elements. Use constructor_static_from_elts_p for this
6478 purpose. Replace the head comment with an indication that this is a
6479 helper for categorize_ctor_elements.
6480 (categorize_ctor_elements): Same interface change as for the _1
6481 helper. Former head comment from this helper moved here, adjusted to
6482 account for the interface changes.
6483 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6484 (all_zeros_p): Likewise.
6485 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6486 static versions of the constructor from the categorize_ctor_elements
6487 return value instead of the formerly computed number of non-constant
6490 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6492 * configure: Regenerate.
6493 * Makefile.in (build_libsubdir): New configure substitution
6494 (build_libobjdir): New variable.
6495 (BUILD_LIBIBERTY): Use it.
6497 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6500 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6502 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6505 * c-common.c (handle_weakref_attribute): Ignore attribute in
6506 the same conditions the alias attribute is ignored.
6508 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6510 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6511 (dbxout_begin_prologue): Increment scope_labelno.
6513 2006-07-17 Richard Henderson <rth@redhat.com>
6516 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6519 2006-07-17 Roger Sayle <roger@eyesopen.com>
6520 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6522 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6523 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6524 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6525 functions such as sbrk, write, etc.. Add function prototypes.
6526 Convert function declarations from K&R to ISO C. Cast pointers
6527 to "long" and "unsigned long" instead of "int" and "unsigned int".
6528 Convert tokens following #endif into comments.
6530 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6532 * invoke.texi: Remove mention of f77; Reformat table for
6533 inline parameter options correctly; mention that -malign-double
6534 is default on x86-64 targets.
6536 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6538 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6539 (convert_affine_scev, chrec_convert_aggressive): Use
6540 avoid_arithmetics_in_type_p. Do not check for the subtypes
6543 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6546 * optabs.c (expand_doubleword_shift): Wrap the call to
6547 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6549 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6552 * optabs.c (expand_binop): Pass next_methods rather than methods
6553 to expand_doubleword_shift.
6555 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6558 * tree.h (dump_addr): Declare.
6559 * print-tree.c (dump_addr): New function.
6560 (print_node_brief, print_node): Use it.
6561 * print-rtl.c (print_rtx): Likewise.
6562 * common.opt (-fdump-noaddr): New option.
6563 * doc/invoke.texi (-fdump-noaddr): Document.
6564 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6565 (ve_info_hash): Likewise.
6567 2006-07-13 Andrew Haley <aph@redhat.com>
6569 PR tree-optimization/19505
6570 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6571 edge leaving this block, make sure that the destination of this
6572 block has only one predecessor.
6574 2006-07-17 Richard Guenther <rguenther@suse.de>
6576 PR tree-optimization/28238
6577 * tree-inline.c (copy_bb): Check if we produced valid
6578 gimple copying and substituting a stmt. If not, gimplify
6581 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6583 * optabs.c (maybe_encapsulate_block): New function extracted from...
6584 (emit_libcall_block): ...here. Invoke it on the block of insns to
6585 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6586 (emit_no_conflict_block): Likewise.
6588 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6590 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6592 2006-07-15 Roger Sayle <roger@eyesopen.com>
6594 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6595 a new NOP_EXPR case of the switch statement.
6597 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6600 * stor-layout.c (place_field): Take the bit field with
6601 an excessive size into account in the ms-bitfiled case.
6604 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6605 the previous bit field.
6607 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6610 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6612 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6614 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6615 signal frames correctly even when the signal was installed with
6618 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6620 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6621 (dbxout_function_end): Use local label LFBB. Remove hook
6623 (dbxout_source_line): Use local label LFBB.
6624 (dbxout_block): Likewise.
6625 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6626 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6627 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6628 and DBX_OUTPUT_NFUN.
6630 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6632 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6634 2006-07-13 Jan Hubicka <jh@suse.cz>
6636 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6638 * output.h (align_variable): Declare.
6639 * varasm.c (align_variable): Export.
6640 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6641 when basic block changed.
6643 2006-07-13 Nick Clifton <nickc@redhat.com>
6645 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6646 walking the LOG_LINKS chain.
6648 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6650 * doc/invoke.texi (C++ Dialect Options): Explain difference
6651 between -fvisibility-inlines-hidden and setting hidden
6652 visibility explicitly.
6654 2006-07-12 Eric Christopher <echristo@apple.com>
6656 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6657 (stmp-lipo): Depend on libgcc.a.
6659 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6661 * tree.c: Fix a comment typo.
6663 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6665 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6667 (umulhisi3_r): Likewise.
6669 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6672 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6673 x < 19, vs wchar_t support.
6675 2006-07-12 Nick Clifton <nickc@redhat.com>
6677 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6678 instead of -isa=sh4.
6680 2006-07-12 Mike Stump <mrs@apple.com>
6682 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6684 2006-07-10 Eric Christopher <echristo@apple.com>
6686 * config/t-slibgcc-darwin: Rewrite.
6688 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6691 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6694 2006-07-08 Matthias Klose <doko@debian.org>
6696 * doc/sourcebuild.texi: Fix typo.
6698 2006-07-07 Mike Stump <mrs@apple.com>
6700 * toplev.c (process_options): Don't give -ffunction-sections may
6701 affect debugging warning for Mach-O.
6703 2006-07-07 James E Wilson <wilson@specifix.com>
6705 * config/mips/mips.md (cpu): Add sb1a.
6706 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6707 addition to sb1. Adjust comments to clarify SB-1A differences from
6709 (ir_sb1a_load): New. Modify bypasses to use it.
6710 (ir_sb1a_simple_alu): Likewise.
6711 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6712 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6713 (mips_issue_rate): Add PROCESSOR_SB1A.
6714 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6715 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6716 (TARGET_SB1): Add PROCESSOR_SB1A check.
6717 (TUNE_SB1): Likewise.
6719 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6720 * config/mips/mips.c (mips_store_data_bypass_p): New.
6721 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6722 store_data_bypass_p.
6724 2006-07-08 Paul Brook <paul@codesourcery.com>
6727 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6729 2006-07-07 Richard Guenther <rguenther@suse.de>
6732 * tree.h (build_one_cst): Declare.
6733 * tree.c (build_one_cst): New function.
6734 * tree-ssa-math-opts.c (get_constant_one): Remove.
6735 (insert_reciprocals): Use build_one_cst.
6736 * fold-const.c (fold_plusminus_mult): Likewise.
6738 2006-07-07 Roger Sayle <roger@eyesopen.com>
6740 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6741 * cfgloopanal.c (dump_graph): Likewise.
6742 * dojump.c (discard_pending_stack_adjust): Likewise.
6743 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6745 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6746 * function.c (finalize_block_changes): Likewise.
6747 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6748 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6749 * rtl.c (dump_rtx_statistics): Likewise.
6750 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6752 * varray.c (dump_varray_statistics): Likewise.
6753 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6754 decode_decimal64, encode_decimal128, decode_decimal128,
6755 decimal_real_to_decimal): Likewise.
6757 2006-07-07 Richard Guenther <rguenther@suse.de>
6759 PR tree-optimization/28187
6760 * tree-vrp.c (vrp_operand_equal_p): New function.
6761 (vrp_bitmap_equal_p): Likewise.
6762 (update_value_range): Use them to compare old and new
6765 2006-07-06 Roger Sayle <roger@eyesopen.com>
6767 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6768 a default case to switch statement to silence compiler warnings.
6770 2006-07-06 Roger Sayle <roger@eyesopen.com>
6773 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6774 the configured assembler supports the x87's ffreep mnemonic.
6775 * configure: Regenerate.
6776 * config.in: Regenerate.
6778 * config/i386/i386.c (output_387_ffreep): New function.
6779 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6780 (output_387_reg_move): Likewise.
6782 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6784 Port to hosts whose 'sort' and 'tail' implementations
6785 treat operands with leading '+' as file names, as POSIX
6786 has required since 2001. However, make sure the code still
6787 works on pre-POSIX hosts.
6788 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6789 which says you should use "tail -c +N" rather than "tail +Nc".
6790 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6792 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6794 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6797 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6800 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6801 PRE_{INC,DEC} of TFmode.
6803 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6804 Alan Modra <amodra@bigpond.net.au>
6807 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6810 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6813 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6814 Remove duplicate gtu.
6816 2006-07-05 Jason Merrill <jason@redhat.com>
6820 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6821 * c-common.c (handle_packed_attribute): So don't copy it here.
6822 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6824 2006-07-05 Mike Stump <mrs@apple.com>
6826 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6828 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6831 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6833 2006-07-05 Richard Guenther <rguenther@suse.de>
6836 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6837 TARGET_SSE2 targets if using SSE math.
6838 (*absdf2_1): Likewise.
6840 2006-07-05 Richard Guenther <rguenther@suse.de>
6842 PR tree-optimization/28162
6843 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6844 make sure to convert the operands to the correct type.
6846 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6848 PR tree-optimization/28218
6850 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6851 to calculate and free the dominator information.
6853 2006-07-04 Peter O'Gorman <peter@pogma.com>
6855 * mklibgcc.in: chmod 644 before ranlib during install.
6857 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6858 J"orn Rennecke <joern.rennecke@st.com>
6860 * configure.ac (.eh_frame data check): Use diff -b.
6862 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6865 * Makefile.in (BUILD_RTL): Add build/vec.o.
6866 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6867 (build/genextract): Delete.
6868 (build/genautomata): Likewise.
6870 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6873 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6874 128-bit IBM long doubles for ABI_V4.
6876 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6878 * tree.c (range_in_array_bounds_p): New predicate.
6879 * tree.h (range_in_array_bounds_p): Declare it.
6880 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6881 return a less conservative answer.
6882 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6883 and flag 'is_group'.
6884 (IS_ELEMENT_FOR_GROUP): New macro.
6885 (FOR_EACH_ACTUAL_CHILD): Likewise.
6886 (next_child_for_group): New helper function.
6887 (can_completely_scalarize_p): Take into account groups.
6888 (sra_hash_tree): Handle RANGE_EXPR.
6889 (sra_elt_eq): Likewise.
6890 (lookup_element): Be prepared for handling groups.
6891 (is_valid_const_index): Delete.
6892 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6893 instead of is_valid_const_index.
6894 <ARRAY_RANGE_REF>: New case.
6895 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6896 is_valid_const_index.
6897 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6898 (scan_dump): Dump info for groups too.
6899 (decide_instantiation_1): Likewise.
6900 (decide_block_copy): Assert that the element is not a group.
6901 Propagate decision to groups.
6902 (generate_one_element_ref): Handle RANGE_EXPR.
6903 (mark_no_warning): Iterate over actual childs.
6904 (generate_copy_inout): Likewise.
6905 (generate_element_copy): Likewise.
6906 (generate_element_zero): Likewise.
6907 (generate_element_init_1): Likewise.
6908 (dump_sra_elt_name): Handle RANGE_EXPR.
6910 2006-07-03 Roger Sayle <roger@eyesopen.com>
6912 PR tree-optimization/26251
6913 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6914 (thread_block): When optimizing for size refuse to thread jumps
6915 that would require duplication of blocks other than redirection
6918 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6920 * configure.ac: Fix thinko in previous check-in.
6921 * configure: Regenerate.
6923 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6926 * configure.ac (for lang...): Simplify nesting of conditionals.
6927 Test subdir_requires for non-enabled languages. Move processing
6928 of lang_opt_files and lang_tree_fiels below that test.
6929 * configure: Regenerate.
6930 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6932 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6934 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6936 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6938 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6941 2006-06-29 Jason Merrill <jason@redhat.com>
6948 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6949 * c-common.c (c_determine_visibility): Handle it here.
6950 * c-decl.c (finish_decl): Call c_determine_visibility for
6952 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6954 * varasm.c (default_assemble_visibility): Likewise.
6955 * c-common.c (handle_visibility_attribute): Complain about trying
6956 to give visibility to an already defined class, or trying to change
6957 declared visibility. Always attach the attribute.
6962 * attribs.c (decl_attributes): Ignore type-in-place attributes
6963 once the type has been defined.
6965 2006-06-29 Roger Sayle <roger@eyesopen.com>
6968 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6969 to indicate the cpplib has issued an error message for us.
6971 2006-06-29 Asher Langton <langton2@llnl.gov>
6974 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6975 insert a label at the end of an function under Mach-O.
6977 2006-06-29 Eric Christopher <echristo@apple.com>
6978 Evan Cheng <evan.cheng@apple.com>
6980 * predicates.md (vector_all_ones_operand): New.
6981 (nonimmediate_or_sse_const_operand): Ditto.
6982 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6983 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6984 (standard_sse_mode_p): Ditto.
6985 (standard_sse_constant_p): Add case for -1 vector.
6986 (ix86_expand_vector_move): Try to use.
6987 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
6988 Call standard_sse_constant_opcode.
6989 (*movv4sf_internal): Ditto.
6990 (*movv2df_internal): Ditto.
6992 2006-06-29 Roger Sayle <roger@eyesopen.com>
6994 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
6995 of XEXP to extract the operands of a MATCH_CODE rtx.
6997 2006-06-28 Andrew Pinski <pinskia@gmail.com>
6999 * tree.c (tree_size): Do not waste tail padding in
7000 struct tree_string and make the size be the same as
7001 build_string will generate.
7003 2006-06-28 Jason Merrill <jason@redhat.com>
7006 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7007 may_aliases already in the tag's annotations to the bitmap.
7009 2006-06-28 Roger Sayle <roger@eyesopen.com>
7011 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7013 2006-06-28 Roger Sayle <roger@eyesopen.com>
7015 * genpreds.c (generate_switch_p): New function.
7016 (add_mode_tests): Push the new mode test down inside an AND expr
7017 if this allows the switch-suitable MATCH_CODE to be near the root.
7018 (write_match_code_switch): New function to write a MATCH_CODE as
7020 (write_predicate_stmts): New function to write a predicate RTX
7021 expression as a sequence of statements.
7022 (write_one_predicate_function): Use write_predicate_stmts.
7023 (write_tm_constrs_h): Likewise.
7025 2006-06-26 Fred Fish <fnf@specifix.com>
7027 * config/mips/t-sb1: New file.
7028 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7031 2006-06-26 DJ Delorie <dj@redhat.com>
7033 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7035 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7036 Jayant Sonar <jayants@kpitcummins.com>
7037 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7039 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7040 (subsi3, subsi3_1, subsi3_2): New.
7041 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7042 * config/m32c/mov.md (SI mov peephole): New.
7043 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7044 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7046 2006-06-26 Olivier Hainque <hainque@adacore.com>
7048 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7049 a CALL_EXPR target function declaration.
7051 2006-06-26 Richard Guenther <rguenther@suse.de>
7053 * tree.c (build_string): Do not waste tail padding in
7056 2006-06-26 Richard Guenther <rguenther@suse.de>
7058 * ggc-page.c (init_ggc): Add missing element to size_lookup
7062 2006-06-23 Richard Guenther <rguenther@suse.de>
7064 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7065 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7066 alignment requests instead. Add verification code.
7067 Add struct tree_function_decl and struct tree_binfo size to
7068 extra_order_size_table. Add missing element to size_lookup
7071 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7074 * fold-const.c (const_binop): Be prepared for self returning zero.
7075 Simplify code handling complex values.
7077 2006-06-24 Olivier Hainque <hainque@adacore.com>
7079 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7080 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7083 2006-06-24 Olivier Hainque <hainque@adacore.com>
7085 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7086 ARRAY_REF, so have the callback called for the low bound expression.
7088 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7090 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7091 * c-typeck.c (c_common_type): Disallow operations on decimal float
7092 types and other float types.
7093 * convert.c (convert_to_real): Don't ignore conversions involving
7094 decimal float types.
7096 2006-06-23 Olivier Hainque <hainque@adacore.com>
7098 * tree.c (max_int_size_in_bytes): New function, inspired from
7099 code in function.c:assign_temp.
7100 * tree.h (max_int_size_in_bytes): Declare.
7101 * function.c (assign_temp): Use it.
7102 * gimplify.c (create_tmp_var): Relax the assertions on the type
7103 properties, not mandating constant size any more.
7104 (force_constant_size): New static function.
7105 (gimple_add_tmp_var): Use it, forcing variable size to a
7106 constant upper bound if it is not constant on entry.
7108 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7111 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7112 for initialization and setting of one_only flag to ...
7113 (i386_pe_encode_section_info): ...here.
7114 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7115 Recheck that the symbol has not been defined.
7117 2006-06-23 Richard Guenther <rguenther@suse.de>
7119 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7120 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7121 alignment requests instead. Add verification code.
7122 Add struct tree_function_decl and struct tree_binfo size to
7123 extra_order_size_table. Add missing element to size_lookup
7126 2006-06-22 Roger Sayle <roger@eyesopen.com>
7127 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7130 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7131 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7133 2006-06-23 Ben Elliston <bje@au.ibm.com>
7135 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7136 negate dn -- manipulate it directly.
7138 2006-06-22 Roger Sayle <roger@eyesopen.com>
7139 Steven Bosscher <stevenb.gcc@gmail.com>
7142 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7143 generated by gen_move_insn to add REG_LABEL notes if necessary.
7145 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7147 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7148 (leaf_entry): Remove use of MIN_ESA.
7150 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7152 PR rtl-optimization/28121
7153 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7156 2006-06-21 DJ Delorie <dj@redhat.com>
7158 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7160 (mulhisi3_r): Likewise.
7162 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7165 * coverage.c (coverage_counter_alloc): Leave the index type
7167 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7170 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7172 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7173 section from the "Options for Code Generation Conventions".
7175 2006-06-21 Richard Henderson <rth@redhat.com>
7179 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7181 (global_symbolic_operand): Allow weak symbols, even if local_p.
7183 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7185 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7186 (find_interesting_uses_address): Punt if above function returns true.
7188 2006-06-21 Richard Guenther <rguenther@suse.de>
7190 * configure: Regenerated.
7192 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7194 * config/mips/mips.c (function_arg): Where one part of a
7195 complex argument is in registers and the other part in the stack,
7196 return a REG not a PARALLEL.
7198 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7200 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7201 when cross-compiling. Do not substitute libstdcxx_incdir.
7202 * configure: Regenerated.
7204 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7206 * varasm.c (mergeable_string_section): Check for embedded NULs and
7207 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7208 rather than TREE_STRING_LENGTH bytes.
7210 2006-06-21 Richard Guenther <rguenther@suse.de>
7212 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7213 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7216 2006-06-21 Richrad Guenther <rguenther@suse.de>
7218 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7219 Limit iteration over the dominators.
7221 2006-06-20 Roger Sayle <roger@eyesopen.com>
7223 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7224 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7226 2006-06-20 Richard Guenther <rguenther@suse.de>
7227 Michael Matz <matz@suse.de>
7229 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7231 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7232 * et-forest.h (et_free_pools): Prototype new function.
7233 * et-forest.c (et_free_tree_force): Free parent occurrence.
7234 (et_free_pools): New function.
7235 * dominance.c (free_dominance_info): Free et-forest alloc
7238 2006-06-20 Roger Sayle <roger@eyesopen.com>
7240 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7241 integer modes, attempt to directly construct an integer constant.
7243 * fold-const.c (native_encode_vector): Determine the size of each
7244 element from the vector type instead of the first vector element.
7246 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7247 if all of its elements/components are constant.
7248 (build_constructor_from_list): Likewise.
7250 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7252 PR tree-optimization/27331
7253 * tree-data-ref.c (free_data_ref): New function.
7254 (create_data_ref): Fail if the data reference has unknown access
7256 (free_data_refs): Use free_data_ref.
7258 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7261 * tree-inline.c (setup_one_parameter): Strip useless
7262 type conversion before adding it to the IR.
7263 (declare_return_variable): Likewise.
7265 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7268 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7270 2006-06-19 Mike Stump <mrs@apple.com>
7272 * tree.c (variably_modified_type_p): VM arguments don't make the
7275 2006-06-19 Richard Guenther <rguenther@suse.de>
7277 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7278 type conversions after folding.
7280 2006-06-19 Richard Guenther <rguenther@suse.de>
7282 * ggc-page.c (extra_order_size_tab): Add entries with
7283 size of struct function and basic_block.
7284 (size_lookup): Extend to cover sizes up to 511.
7285 (ggc_alloc_stat): Adjust user.
7286 (ggc_pch_count_object): Likewise.
7287 (ggc_pch_alloc_object): Likewise.
7288 (ggc_pch_write_object): Likewise.
7290 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7292 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7293 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7296 2006-06-19 Denis Chertykov <denisc@overta.ru>
7298 * config/avr/libgcc.S : Correct my wrong previous commit.
7300 2006-06-19 Roger Sayle <roger@eyesopen.com>
7303 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7304 have stripped a SUBREG from the shift count, so we may need to
7305 convert_to_mode back to the type's mode before calling make_tree.
7306 Use new_amount instead of amount to avoid expanding a tree twice.
7308 2006-06-19 Richard Guenther <rguenther@suse.de>
7311 * fold-const.c (operand_equal_p): Check if the argument types
7312 have the same precision before stripping NOPs.
7314 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7316 Fix PR tree-optimization/27341
7317 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7319 * tree-complex.c (pass_lower_complex): Update SMT usage.
7321 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7323 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7324 Add a new alternative to the constraint strings. Add move of
7325 operand 1 to 3 to the splitter definition.
7326 ("doloop_si_long"): Second contraint alternative removed.
7328 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7330 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7331 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7333 (AVR_HAVE_MOVW) Define.
7334 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7335 (ASM_SPEC): Add avr25.
7336 (LINK_SPEC): Add avr25.
7337 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7338 (base_arch_s): Add new member 'have_movw_lpmx'.
7339 (avr_arch_types): Init 'have_movw_lpmx'.
7340 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7341 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7342 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7343 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7344 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7346 (avr_file_start): Do not output '.arh' derective.
7347 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7348 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7349 * config/avr/avr.md (mcu_enhanced): Delete.
7350 (mcu_have_movw): Define.
7351 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7352 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7353 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7354 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7355 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7356 attiny861 and at86rf401 devices.
7358 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7360 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7363 2006-06-17 Karl Berry <karl@gnu.org>
7365 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7366 doc/gccint.texi, doc/install.texi (@dircategory): Use
7367 "Software development" instead of "Programming", following
7368 the Free Software Directory.
7370 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7372 * config/i386/i386.c (legitimate_tls_address)
7373 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7374 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7375 (*tls_dynamic_gnu2_combine_64): Likewise.
7377 2006-06-16 Richard Guenther <rguenther@suse.de>
7380 * fold-const.c (negate_expr_p): Do not introduce undefined
7381 overflow in negating INTEGER_CSTs.
7382 (fold_negate_expr): Rename from negate_expr. Revert last
7383 change for folding BIT_NOT_EXPR. Change semantics to
7384 return NULL_TREE for non-simplified negations. Do not
7385 strip type conversions and unify type handling.
7386 (negate_expr): New function, wrap around fold_negate_expr
7387 but ensure building a tree always. Strip type conversions
7388 here, fold to result type.
7389 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7391 2006-06-16 Roger Sayle <roger@eyesopen.com>
7394 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7395 that (would) return their results in stack registers.
7397 2006-06-16 Michael Matz <matz@suse.de>
7398 Richard Guenther <rguenther@suse.de>
7400 * fold-const.c (fold_truthop): Only return new tree node if
7401 we canonicalized something.
7403 2006-06-16 Richard Guenther <rguenther@suse.de>
7405 * function.h (enum function_frequency): Move declaration
7406 out of struct function.
7407 (struct function): Move bool fields and the enum to the bitfield
7408 section. Reorder elements to avoid padding. Remove unused
7409 fields left over from the RTL inliner removal.
7410 * function.c (free_after_compilation): Do not zero removed fields.
7411 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7412 (ipa-type-escape.o): Likewise.
7414 2006-06-16 Richard Guenther <rguenther@suse.de>
7416 * cgraph.h (struct cgraph_local_info): Turn bool elements
7418 (struct cgraph_node): Likewise.
7419 (struct cgraph_varpool_node): Likewise.
7421 2006-06-15 Richard Guenther <rguenther@suse.de>
7423 * fold-const.c (fold_truth_not_expr): Rename from
7424 invert_truthvalue. Give it fold_* semantics to avoid
7426 (invert_truthvalue): New function. Wrapper around
7427 fold_truth_not_expr.
7428 (optimize_minmax_comparison): Avoid creating garbage.
7429 (fold_unary): Use fold_truth_not_expr for folding
7431 (fold_ternary): Replace uses of invert_truthvalue with
7432 fold_truth_not_expr where applicable.
7433 * tree.h (fold_truth_not_expr): Prototype.
7435 2006-06-16 Richard Guenther <rguenther@suse.de>
7437 PR tree-optimization/27781
7438 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7439 * ipa-pure-const.c (target.h): Include.
7440 (analyze_function): Do not analyze functions that do not
7443 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7446 * tree-dfa.c (referenced_vars_dup_list): Remove.
7447 (find_referenced_vars): Remove assert.
7448 (referenced_var_check_and_insert): Replace dup list with assert.
7449 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7450 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7452 2006-06-15 Richard Guenther <rguenther@suse.de>
7454 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7455 extra unused identifiers if not dumping.
7456 (create_variable_info_for): Likewise.
7458 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7460 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7461 (derive_constant_upper_bound): Derive more precise upper bound in
7462 common cases. Return type changed to double_int.
7463 (record_estimate): Reflect the changed return type of
7464 derive_constant_upper_bound.
7465 * double-int.c (double_int_zext, double_int_sext): Fix.
7467 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7469 * configure.ac (CFLAGS): Get them from the toplevel or from the
7470 configure invocation.
7471 * configure: Regenerate.
7472 * Makefile.in (CFLAGS): Substitute value provided by configure.
7474 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7477 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7478 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7479 rather than calling add_stmt on it.
7480 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7482 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7485 * reload1.c (reload): Remove registers returned by update_eliminables
7486 from used_spill_regs.
7488 2006-06-13 DJ Delorie <dj@redhat.com>
7490 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7492 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7494 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7495 html__strip_dir, html__mkdir_p. Enhance install-html target.
7496 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7497 * configure: Regenerate.
7499 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7501 * fold-const.c (fold_cond_expr_with_comparison): Check for
7502 Objective-C++ as language in deciding COND_EXPR transformation.
7504 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7507 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7508 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7509 * config/sh/lib1funcs.h (SL, SL1): Define.
7510 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7511 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7512 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7513 (OBJS_Os_4_200): New variable.
7514 ($(T)libgcc-Os-4-200.a): Use it.
7515 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7516 when dividing 1 and/or by 0.
7518 2006-06-13 Roger Sayle <roger@eyesopen.com>
7520 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7521 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7522 * configure: Regenerate.
7524 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7526 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7527 for real instruction.
7529 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7532 * haifa-sched.c (check_cfg): Handle special case.
7534 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7537 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7538 Add debug_info parameter. Chain the vars to the BLOCK instead
7539 of the BIND_EXPR if debug info are requested for them.
7540 (pop_gimplify_context): Adjust for above change.
7541 (gimple_add_tmp_var): Likewise.
7542 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7544 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7545 (convert_local_reference): Likewise.
7546 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7547 (finalize_nesting_tree_1): Request that debug info be emitted
7548 for debug_var_chain.
7550 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7552 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7553 for PR target/27863.
7555 2006-06-13 Richard Guenther <rguenther@suse.de>
7558 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7560 2006-06-13 Richard Guenther <rguenther@suse.de>
7562 PR tree-optimization/27830
7563 * tree-inline.c (copy_body_r): For copying the operand
7564 of an ADDR_EXPR make sure to fold &* afterwards.
7566 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7568 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7569 lvalues in the fb_none case with side-effects.
7571 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7573 * tree-flow.h: Remove the prototype for
7574 compute_phi_arg_on_exit.
7575 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7576 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7579 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7581 * builtins.c (expand_builtin_return_addr): Only use
7582 frame_pointer_rtx when count == 0 and we are expanding
7583 __builtin_return_address.
7585 2006-06-12 Fred Fish <fnf@specifix.com>
7587 * config/mips/mips.c (mips_file_start): Create special section
7588 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7590 2006-06-11 Eric Christopher <echristo@apple.com>
7593 * stor-layout.c (place_field): Remove check for
7594 remaining_in_alignment when aligning at the end of a run.
7596 2006-06-11 Eric Christopher <echristo@apple.com>
7599 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7602 2006-06-11 Roger Sayle <roger@eyesopen.com>
7605 Revert incorrect fix for PR target/27158
7606 2006-05-08 Roger Sayle <roger@eyesopen.com>
7607 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7608 of a reg_equiv_constant if the result is a legitimate constant.
7610 2006-06-11 Roger Sayle <roger@eyesopen.com>
7613 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7614 extract a CONST_VECTOR element and interpret it as an integer.
7615 (vspltis_constant): Use const_vector_elt_as_int instead of the
7616 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7617 * config/rs6000/predicates.md (easy_vector_const): Consider
7618 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7620 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7623 * stor-layout.c (update_alignment_for_field): Don't add extra
7624 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7627 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7629 * config/mips/t-rtems: Add EL/EB multilib variants.
7631 2006-06-09 Mike Stump <mrs@apple.com>
7633 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7635 2006-06-09 David Daney <ddaney@avtrex.com>
7637 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7639 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7641 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7643 2006-06-09 Richard Guenther <rguenther@suse.de>
7645 PR tree-optimization/26998
7646 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7647 of signed types, only TYPE_MIN_VALUE is special, but for both,
7648 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7649 in this case, as is -fwrapv.
7651 2006-06-08 Mike Stump <mrs@apple.com>
7654 * config/darwin.c (darwin_asm_output_anchor): Disable
7655 -fsection-anchors on darwin for now.
7656 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7657 * rs6000/rs6000.c (optimization_options): Likewise.
7659 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7662 * config/i386/i386.c (classify_argument): Skip fields with invalid
7665 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7667 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7668 (cse_insn): Likewise for the stack_pointer_rtx.
7670 2006-06-08 Roger Sayle <roger@eyesopen.com>
7672 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7673 conditions from floating point comparisons.
7675 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7678 * expmed.c (struct alg_hash_entry): Fix type of field T
7679 to match synth_mult argument.
7680 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7682 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7685 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7688 2006-06-08 Richard Guenther <rguenther@suse.de>
7691 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7692 only, if overflow is defined and not trapping.
7693 (negate_expr): Likewise.
7695 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7697 PR tree-optimization/27872
7698 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7699 flag on the new exit edge of the unrolled loop.
7701 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7703 PR rtl-optimization/26449
7704 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7706 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7709 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7710 referenced_variables with matching DECL_UID's.
7711 (find_referenced_vars): Make sure duplicate list is empty to start.
7712 (referenced_var_p): Remove.
7713 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7714 Check if var is in the list, and add if needed. Update the duplicate
7715 list if a different var is in the list with the same DECL_UID.
7716 (add_referenced_var): Call routine to check and insert.
7717 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7718 * tree-flow.h (referenced_vars_dup_list): External declaration.
7720 2006-06-07 Fred Fish <fnf@specifix.com>
7722 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7725 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7728 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7729 the imaginary and real parts of a clobbered register.
7730 Emit insn to set the imaginary part.
7732 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7734 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7735 in lieu of unwind-dw2-fde.c.
7737 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7739 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7741 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7744 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7745 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7746 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7747 V4SImode temporaries and operations instead.
7749 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7751 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7754 2006-06-06 Mike Stump <mrs@apple.com>
7756 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7757 installing during build.
7759 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7761 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7763 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7764 * config/ia64/ia64.c (params.h): New header.
7765 (ia64_optimization_options): New function to adjust parameters.
7766 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7767 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7768 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7770 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7772 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7774 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7777 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7779 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7780 Victor Kaplansky <victork@il.ibm.com>
7782 PR tree-optimization/26360
7783 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7786 2006-06-04 Roger Sayle <roger@eyesopen.com>
7787 Andrew Pinski <pinskia@physics.uc.edu>
7790 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7791 for LABEL_DECL before calling DECL_WEAK.
7794 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7795 LABEL_DECL and PARM_DECL.
7797 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7801 * c-decl.c (grokdeclarator): Disallow variably modified types at
7802 file scope. Avoid marking shared array type of constant size as
7805 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7808 * c-common.c (fold_offsetof_1): Handle static members.
7810 2006-06-04 Eric Christopher <echristo@apple.com>
7812 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7813 (debug_rli): Output value for remaining_in_alignment.
7814 (update_alignment_for_field): Unconditionalize
7815 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7816 extra alignment code.
7817 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7818 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7819 * tree.h (record_layout_info_s): Remove prev_packed.
7820 * doc/extend.texi (ms_struct): Add documentation of format.
7822 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7824 * tree.h: Declare folding_initializer.
7825 * builtins.c (fold_builtin_constant_p): Give definite answer
7826 if folding inside an initializer.
7827 * fold-const.c: Define folding_initializer.
7828 (START_FOLD_INIT): Save and then set folding_initializer.
7829 (END_FOLD_INIT): Restore folding_initializer.
7831 2006-06-04 Richard Guenther <rguenther@suse.de>
7833 PR tree-optimization/27039
7834 * fold-const.c (fold_comparison): Handle pointer comparison
7835 again for all comparison codes. Compare offsets in signed
7837 (fold_binary): Move code from here.
7839 2006-06-03 Roger Sayle <roger@eyesopen.com>
7842 * config/i386/i386.c (construct_container): Split static issued_error
7843 flag into issued_sse_arg_error, issued_sse_ret_error and
7844 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7845 requires the use of x87 registers and the user explicitly
7846 specified the -mno-80387 command line option.
7848 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7850 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7851 HAVE_DECL_SIGALTSTACK.
7853 (segv_handler): Use MC_FLD.
7854 * configure.ac: Check for a sigaltstack declaration.
7855 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7856 * configure: Regenerate.
7857 * config.in: Regenerate.
7859 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7862 * Makefile.in (stmp-fixinc): Fix typo.
7864 2006-06-02 Roger Sayle <roger@eyesopen.com>
7866 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7867 are type correct. Clean-up.
7868 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7869 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7871 2006-06-01 DJ Delorie <dj@redhat.com>
7873 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7874 shift, as we've disabled the "switch" insn that needs it.
7876 2006-06-01 Per Bothner <bothner@bothner.com>
7878 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7879 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7880 * c-ppoutput.c (cb_define): Don't increment line 0.
7882 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7884 * doc/invoke.texi: Add cpu_type power6.
7885 * config.gcc: Add cpu_type power6.
7886 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7887 to power5+ with Altivec.
7888 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7889 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7891 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7893 * config/avr/avr.h (SET_ASM_OP): Define.
7895 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7897 * config/bfin/bfin.c: Fix comment typos.
7899 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7902 * doc/install.texi: Document --enable-bootstrap and
7903 --disable-bootstrap.
7905 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7907 * doc/install.texi: Document that InfoZIP can replace jar.
7909 2006-05-31 Roger Sayle <roger@eyesopen.com>
7911 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7912 isn't available, directly generate the simpler x87 patterns without
7913 the (use (const_int 0)).
7914 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7915 implementation isn't available.
7916 (*negdf2_1): Likewise.
7917 (*negxf2_1): XF mode negation is always done using the x87.
7918 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7920 2006-05-31 Roger Sayle <roger@eyesopen.com>
7922 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7923 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7925 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7927 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7929 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7930 * config/bfin/bfin.c (basic-block.h): Include.
7931 (struct machine_function): New.
7932 (bfin_init_machine_status): New.
7933 (override_options): Initialize init_machine_status.
7934 (bfin_hardware_loop): New.
7935 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7936 (DEF_VEC_P (loop_info)): New.
7937 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7938 (struct loop_info): New.
7939 (loop_info): New typedef.
7940 (struct loop_work): New.
7941 (loop_work): New typedef.
7942 (DEF_VEC_O (loop_work)): New.
7943 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7944 (bfin_dump_loops): New.
7945 (bfin_bb_in_loop): New.
7946 (bfin_scan_loop): New.
7947 (bfin_optimize_loop): New.
7948 (bfin_reorg_loops): New.
7949 (bfin_reorg): Use bfin_reorg_loops.
7950 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7952 (I_REGNO_P): Simplify.
7953 (DP_REGNO_P, DPREG_P): New macros.
7954 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7955 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7956 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7957 Add LT_REGS, LC_REGS, LB_REGS.
7958 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7960 (REGNO_REG_CLASS): Deal with loop registers.
7961 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7963 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7964 New constants for loop registers.
7965 (UNSPEC_LSETUP_END): New.
7966 (seq_insns): New define_attr. Set it for appropriate insns.
7967 (movsi_insn): Add alternatives for move from/to
7968 loop count registers.
7969 (doloop_end): New define_expand.
7970 (loop_end): New define_insn.
7971 (define_split for bad doloop_end): New.
7972 (lsetup_with_autoinit): New define_insn.
7973 (lsetup_without_autoinit): New define_insn.
7974 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7975 * config/bfin/predicates.md (lc_register_operand): New.
7976 (lt_register_operand): New.
7977 (lb_register_operand): New.
7978 (nondp_register_operand): New.
7979 (nondp_reg_or_memory_operand): New.
7980 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7982 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7984 * config/bfin/bfin.c (bfin_delegitimize_address): New.
7985 (TARGET_DELEGITIMIZE_ADDRESS): Define.
7987 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
7989 * Makefile.in (CATALOGS): Add po/ prefix.
7990 * configure: Regenerated.
7992 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
7995 * arm.c (arm_print_operand case 'S'): Validate that the operand is
7996 a shift operand before calling shift_op. Avoid redundant call of
7999 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8000 DJ Delorie <dj@redhat.com>
8002 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8003 we're inserting is a singlt-bit constant.
8005 2006-05-30 Roger Sayle <roger@eyesopen.com>
8007 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8008 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8010 2006-05-30 Roger Sayle <roger@eyesopen.com>
8012 PR tree-optimization/23452
8013 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8014 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8015 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8016 complex values and with -ffast-math for FP complex values.
8018 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8020 * c-common.h: Remove the prototype for yyparse.
8021 * rtl.h: Remove the prototype for init_loop.
8023 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8025 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8028 2006-05-30 Roger Sayle <roger@eyesopen.com>
8030 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8032 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8033 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8035 2006-05-30 Dirk Mueller <dmueller@suse.de>
8038 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8039 for CONSTANT_CLASS_P expresisons.
8041 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8044 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8046 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8048 PR tree-optimization/27779
8049 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8050 initial_condition instead of CHREC_LEFT.
8052 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8054 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8055 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8056 Make prototypes ISO C90.
8058 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8059 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8061 * see.c (see_analyze_one_def): Correct check.
8062 (see_get_extension_data): Check if extension is parallel.
8063 (see_get_extension_reg): Likewise.
8065 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8068 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8069 into register for (code == GTU).
8071 2006-05-29 Roger Sayle <roger@eyesopen.com>
8073 PR tree-optimization/24964
8074 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8075 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8076 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8077 abs(x)*abs(x) as x*x for scalar floating point modes.
8079 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8082 * lambda-code.c (perfect_nestify): Don't copy statements
8083 in the inner loop: move them to the inner loop header.
8085 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8088 * c-tree.texi: Document OpenMP directives and clauses.
8090 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8092 * varasm.c (globalize_decl): Fix indentation.
8094 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8097 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8098 pass_fre, pass_store_ccp, pass_copy_prop,
8099 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8100 pass_return_slot, pass_object_size, pass_lim,
8101 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8102 pass_loop_prefetch and pass_stdarg.
8104 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8106 * config/bfin/bfin.opt (mfdpic): New option.
8107 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8108 (EXTRA_MULTILIB_PARTS): Likewise.
8109 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8110 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8112 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8113 (CRT_CALL_STATIC_FUNCTION): New.
8114 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8116 (CRT_CALL_STATIC_FUNCTION): New.
8117 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8119 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8120 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8121 (initialize_trampoline): Changed to handle FD-PIC code generation.
8122 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8123 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8124 (override_options): Disallow -mid-shared-library -mfdpic combination.
8125 Can't do unaligned ops if FD-PIC.
8126 Turn off flag_pic if trying to generate non-id-shared-library
8127 non-fdpic code, since it's not supported.
8128 (bfin_assemble_integer): New function.
8129 (TARGET_ASM_INTEGER): Define.
8130 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8132 * config/bfin/crtn.s: Restore them.
8133 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8135 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8136 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8137 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8138 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8139 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8141 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8142 FDPIC_REGS and FDPIC_FPTR_REGS.
8143 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8144 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8145 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8146 (load_funcdescsi): New pattern.
8147 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8148 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8149 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8151 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8153 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8156 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8158 * tree-flow.h: Remove the prototype for add_type_alias.
8159 * tree-ssa-alias.c (add_type_alias): Remove.
8161 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8163 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8164 config/fr30/fr30.md, config/i386/i386-interix.h,
8165 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8166 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8167 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8168 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8169 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8170 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8171 Follow spelling conventions.
8172 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8173 Follow spelling conventions.
8175 2006-05-27 Richard Guenther <rguenther@suse.de>
8178 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8179 to produce a constant of value 1 of generic type.
8181 2006-05-27 Dirk Mueller <dmueller@suse.de>
8183 * cgraphunit.c (decide_is_function_needed): Fix wrong
8186 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8188 PR rtl-optimization/27661
8189 * reload.c (find_reloads): When reloading a VOIDmode constant
8190 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8191 use Pmode as mode of the reload register.
8193 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8195 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8196 is enabled at -O and above.
8198 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8201 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8204 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8207 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8208 for anonymous variables explicitly declared by front ends.
8210 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8212 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8213 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8214 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8215 ref-all pointers, run a finalization pass for them.
8216 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8217 (finalize_ref_all_pointers): New function.
8218 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8219 regular pointer type to a ref-all pointer type.
8220 (get_tmt_for): Return the special memory tag for ref-all pointers.
8222 2006-05-25 Richard Guenther <rguenther@suse.de>
8225 * fold-const.c (fold_binary): Do not look at the stripped
8226 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8228 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8230 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8231 for LT and GT if the computed range is effectively empty.
8233 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8236 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8237 mips_quad_format formats instead of ieee_single_format,
8238 ieee_double_format and ieee_quad_format formats, respectively.
8240 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8242 PR tree-optimization/27639
8243 PR tree-optimization/26719
8244 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8245 call to scev_probably_wraps_p.
8246 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8247 used_in_pointer_arithmetic_p, convert_step): Removed.
8248 (nowrap_type_p): New function.
8249 (scev_probably_wraps_p): Rewritten.
8250 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8251 chrec_convert if chrec_convert_aggressive might have been used.
8252 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8253 scev_direction): New functions.
8254 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8255 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8256 instead of convert_step.
8257 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8258 (convert_step): Declaration removed.
8259 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8261 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8263 * df-core.c: Added to header comments.
8264 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8265 df_ur_bb_info, df_urec_bb_info): Added comments.
8266 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8267 urec, ri problems): Fixed header comments.
8268 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8269 code from df_rd_transfer_function.
8271 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8273 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8274 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8275 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8277 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8279 * expr.c (undefined_operand_subword_p): New.
8280 (emit_move_multi_word): Do not generate move from undefined bits
8281 of a paradoxical subreg.
8283 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8285 PR rtl-optimization/27736
8286 * combine.c (replaced_rhs_value): New variable.
8287 (combine_instructions): Set it.
8288 (distribute_notes): When distributing a note in replaced_rhs_insn,
8289 check whether the value was used in replaced_rhs_value.
8291 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8294 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8295 add_referenced_var instead of add_referenced_tmp_var.
8296 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8297 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8299 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8300 tree_optimize_tail_calls_1): Use add_referenced_var.
8301 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8302 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8303 Use add_referenced_var.
8304 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8305 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8306 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8307 Use add_referenced_var.
8308 * tree-dfa.c (struct walk_state): Remove.
8309 (find_referenced_vars): Remove walk state and vars_found hash table.
8310 (make_rename_temp): Use add_referenced_var.
8311 (find_vars_r): Pass less parameters to add_referenced_var.
8312 (referenced_var_p): New. Is var in referenced_var hash table.
8313 (referenced_var_insert): Assert var isn't already in hash table.
8314 (add_referenced_var): Don't need walk_state parameter. Add var if it
8315 isn't already in the hash table.
8316 (add_referenced_tmp_var): Remove.
8317 (find_new_referenced_vars_1): Use add_referenced_var.
8318 * tree-ssa-pre.c (create_expression_by_pieces,
8319 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8320 Use add_referenced_var.
8321 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8322 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8323 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8325 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8326 vect_create_data_ref_ptr, vect_create_destination_var,
8327 vect_init_vector, vect_build_loop_niters,
8328 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8329 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8330 Use add_referenced_var.
8331 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8332 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8333 (add_referenced_var): Add prototype.
8334 * tree-ssa-structalias.c (get_constraint_for,
8335 intra_create_variable_infos): Use add_referenced_var.
8337 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8339 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8340 big-endian paradoxical subregs.
8341 * var-tracking.c (struct micro_operation_def): Document that,
8342 for modify micro operations, insn is the subsequent instruction.
8343 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8344 (var_reg_set, var_mem_set): ... new functions.
8345 (add_stores): Record subsequent insn.
8346 (compute_bb_dataflow): Use new functions for MO_USE.
8347 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8348 notes after the insn, and modify notes before the insn known
8349 to be the subsequent one.
8350 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8352 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8355 * config/i386/i386.c (ix86_expand_builtin): Use
8356 gen_sse3_monitor64 for TARGET_64BIT.
8358 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8360 PR rtl-optimization/26375
8361 PR rtl-optimization/26855
8362 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8364 (df_ru_bb_local_compute): Reversed statements and removed bogus
8365 comment explaining why they should be in wrong order.
8366 (df_ru_dump, df_rd_dump): Enhanced debug info.
8367 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8369 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8370 reaching uses and fixed space problem.
8372 2006-05-23 Jan Hubicka <jh@suse.cz>
8374 * cgraphunit.c (decide_is_function_needed): Also nested functions
8375 and functions declared inline can be optimized out at -O0.
8377 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8379 * doc/install.texi (Configuration): Remove reference to CrossGCC
8383 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8386 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8387 ix86_compare_emitted is non-NULL.
8389 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8392 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8395 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8397 PR rtl-optimization/25514
8398 * combine.c (replaced_rhs_insn): New variable.
8399 (combine_instructions): Set replaced_rhs_insn when trying to replace
8400 a SET_SRC with a REG_EQUAL note.
8401 (distribute_notes): Use replaced_rhs_insn when determining the live
8402 range of a REG_DEAD register.
8404 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8405 Anatoly Sokolov <aesok@post.ru>
8407 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8408 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8409 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8410 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8411 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8412 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8413 at90usb647, at90usb1286 and at90usb1287 devices.
8414 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8415 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8417 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8419 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8421 2006-05-22 Richard Guenther <rguenther@suse.de>
8424 2006-01-31 Richard Guenther <rguenther@suse.de>
8425 Paolo Bonzini <bonzini@gnu.org>
8427 * doc/install.texi (--disable-libgcc-math): Document.
8429 2006-05-22 Richard Guenther <rguenther@suse.de>
8432 2006-01-31 Richard Guenther <rguenther@suse.de>
8434 * doc/invoke.texi (-msselibm): Document.
8435 * target.h (expand_library_builtin): New target hook.
8436 * builtins.c (expand_builtin): Use expand_library_builtin.
8437 (default_expand_library_builtin): New function.
8438 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8439 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8440 (link_gcc_math_spec): Declare.
8441 (static_specs): Add link_gcc_math_spec.
8442 * expr.h (default_expand_library_builtin): Declare.
8443 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8444 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8445 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8446 * config/i386/i386.opt (msselibm): New target option.
8447 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8448 (ix86_init_sse_abi_builtins): New function.
8449 (ix86_expand_library_builtin): Likewise.
8450 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8451 (override_options): Handle error conditions wrt -msselibm.
8452 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8453 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8454 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8457 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8460 * c-common.c (self_promoting_args_p): Skip erroneous args.
8463 * c-decl.c (finish_struct): Skip erroneous fields.
8465 2006-05-22 Nick Clifton <nickc@redhat.com>
8467 * config/cris/cris.opt (march): Remove VarExists attribute.
8468 (max-stackframe=): Likewise.
8470 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8472 * doc/rtl.texi: Fix a typo.
8473 * see.c: Fix comment typos.
8475 * tree-ssa-structalias.h (alias_info): Remove num_references.
8477 2006-05-21 Mike Stump <mrs@apple.com>
8479 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8481 (darwin_pragma_options): Use BAD instead.
8482 (darwin_pragma_unused): Likewise.
8483 (darwin_pragma_ms_struct): Likewise.
8485 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8487 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8489 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8491 PR rtl-optimization/27671
8492 * simplify-rtx.c (simplify_relational_operation_1): Fix
8493 simplifications of (eq/ne (xor x y) y) and
8494 (eq/ne (xor x y) x).
8496 PR tree-optimization/26622.
8497 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8500 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8502 * tree-cfg.c: Prune whitespace.
8503 (debug_tree_cfg): Point to correct header containing the
8506 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8509 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8511 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8514 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8515 or sorry count is non zero.
8517 2006-05-20 Andreas Schwab <schwab@suse.de>
8519 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8521 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8522 Kenneth Zadeck <zadeck@naturalbridge.com>
8524 PR rtl-optimization/26855
8526 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8528 (df_scan_alloc): Added code to properly handle multiword hard
8529 registers and add all_blocks parameter.
8530 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8531 code to properly handle multiword hard registers.
8532 (df_rescan_blocks): Added code to remove deleted blocks from
8534 (df_ref_create_structure, df_ref_record): Added code to properly
8536 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8537 and set DF_REF_PARTIAL.
8538 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8539 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8540 (df_scan_add_problem): Added flags parameter.
8541 (df_ref_create_structure): Changed switching structure.
8542 (df_bb_refs_record): Fixed case where duplicate artificial refs
8543 were created. Changed location of flags.
8544 (df_record_entry_block_defs): Added code to make stack pointer
8545 live in entry block. Refined cases where frame pointer is needed.
8546 Changed location of flags.
8547 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8548 (df_set_state): Removed function.
8549 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8550 df_insn_create_insn_record, df_insn_refs_delete,
8551 df_ref_create_structure): Formatting changes.
8552 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8553 df_delete_basic_block): New function.
8554 (df_init): Changed location of flags.
8555 (df_add_problem): Added flags parameter and the way flags are
8557 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8558 debug_df_chain): Improved debugging output.
8559 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8560 (df_refs_chain_dump): Removed df parameter.
8561 (df_iterative_dataflow): Added consistency check.
8562 (df_prune_to_subcfg): Made public.
8563 (df_analyze_problem): Added blocks_to_init parameter and made
8565 (df_ref_record, df_bb_refs_record, df_mark_reg,
8566 df_record_exit_block_uses): Whitespace changes.
8567 (df_dump): Whitespace changes.
8568 * df.h: Some reordering to remove forward references.
8569 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8570 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8571 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8572 (dataflow.flags): New field.
8573 (df.flag): Deleted field.
8574 (df_alloc_function): Added additional bitmap parameter.
8575 (df_dependent_problem_function): New type.
8576 (df_problem.changeable_flags): New field.
8577 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8578 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8579 (df_mw_hardreg): New struct.
8580 (DF_INSN_UID_MWS): New macro.
8581 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8583 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8584 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8585 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8586 (df_set_state): Removed function.
8587 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8588 * df-problems.c (df_chain_dump): Removed df parameter.
8589 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8590 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8592 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8593 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8594 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8595 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8596 DF_REF_MUST_CLOBBER cases.
8597 (df_ru_bb_local_compute_process_def,
8598 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8599 df_lr_bb_local_compute, df_ur_bb_local_compute,
8600 df_chain_create_bb): Made subreg aware.
8601 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8602 df_lr_bb_local_compute, df_lr_bb_local_compute,
8603 df_chain_create_bb): Cleanup to use proper macros.
8604 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8605 code to fixup bitvectors.
8606 (df_ri_alloc): Cleared lifetime.
8607 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8608 df_create_unused_note): New function.
8609 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8610 REG_DEAD and REG_UNUSED notes as well as register information.
8611 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8612 df_chains_dump): Fixed crash if problem was never run.
8613 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8614 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8615 df_ri_add_problem): Processes flags in uniform manner.
8616 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8617 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8618 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8619 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8620 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8621 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8622 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8623 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8624 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8625 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8626 * see.c (see_initialize_data): Ditto.
8627 * final.c (rest_of_clean_state) Added regstack_completed.
8628 * rtl.h (regstack_completed): Ditto.
8629 * reg-stack.c (regstack_completed): Ditto.
8631 2006-05-19 Mike Stump <mrs@apple.com>
8633 * c-tree.h (default_conversion): Remove.
8634 * c-common.h (default_conversion): Add.
8636 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8638 * tree-vrp.c (valid_value_p): New function.
8639 (adjust_range_with_scev): Fail if the value of bound is not
8642 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8644 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8645 (mips_fallback_frame_state): Use syscall numbers to determine
8646 the appropriate li instruction for the current ABI. Only use
8647 __NR_sigreturn for o32.
8649 2006-05-19 Nicolas Setton <setton@adacore.com>
8651 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8652 * langhooks.c (lhd_dwarf_name): New function.
8653 * langhooks-def.h (lhd_dwarf_name): Declare.
8654 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8655 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8657 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8659 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8661 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8662 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8663 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8664 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8665 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8666 determine the size of Wtype, etc.
8667 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8668 (swfloatfuncs): New variable.
8669 (dwfloatfuncs): Likewise.
8670 (lib2funcs): Remove floating-point conversion functions from
8671 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8672 the set of conversion routines needed. Allow entries to specify
8673 an object name, filename and word size. Update users accordingly.
8674 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8675 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8679 2006-02-08 Roger Sayle <roger@eyesopen.com>
8682 * config/fixtfdi.c: New libgcc source file.
8683 * config/fixunstfdi.c: New source file.
8684 * config/floatditf.c: New source file.
8685 * config/floatunditf.c: New souce file.
8686 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8687 files above instead of config/mips/_tilib.c.
8688 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8690 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8692 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8693 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8695 2006-05-18 Mike Stump <mrs@apple.com>
8697 Fix up vla, vm and [*] sematics.
8703 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8704 (c_vla_unspec_p): Add.
8705 (c_vla_type_p): Add.
8706 * c-decl.c (struct c_scope): Add had_vla_unspec.
8707 (build_array_declarator): Add support for [*].
8708 (grokdeclarator): Likewise.
8709 (grokparms): Likewise.
8710 (get_parm_info): Likewise.
8711 * c-objc-common.c (c_vla_unspec_p): Likewise.
8712 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8713 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8714 typeof when argument is a variably modified type not inside sizeof or alignof.
8715 (c_parser_direct_declarator_inner): Propagate errors.
8716 (c_parser_sizeof_expression): Add support for [*].
8717 (c_parser_parms_declarator): Initialize had_vla_unspec.
8718 (c_parser_parms_list_declarator): Likewise.
8719 * c-typeck.c (c_vla_type_p): Add.
8720 (composite_type): Add support for vla compositing.
8721 (comptypes_internal): Add support for vla compatibility.
8722 (c_expr_sizeof_expr): Evaluate vla arguments.
8723 * tree.c (variably_modified_type_p): Update comment for [*].
8725 2006-05-18 Michael Matz <matz@suse.de>
8728 * config.host: Make assignments to host_xmake_file cumulative.
8729 * config.host (*-darwin*): Test $host, not $target.
8731 2006-05-12 Stuart Hastings <stuart@apple.com>
8733 * config/i386/i386.opt (-mstackrealign): New flag.
8734 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8735 (ix86_handle_cconv_attribute): Emit error when
8736 force_align_arg_pointer attribute collides with too many regparms.
8737 (ix86_function_regparm): Limit regparms when used with
8738 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8739 Support stack-realigning prologue in non-main functions. Emit
8740 warning for nested functions under -mstackrealign, emit error for
8741 nested functions with force_align_arg_pointer attribute.
8742 * doc/extend.texi (force_align_arg_pointer): Document it.
8743 * doc/invoke.texi (-mstackrealign): Document it.
8745 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8747 PR rtl-optimization/27477
8748 * combine.c (try_combine): Don't split a parallel consisting
8749 of two sets into two individual sets if both sets reference
8752 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8754 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8755 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8757 * doc/options.texi (VarExists): Updated.
8759 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8761 * unwind-dw2.c: Add declarations for uw_update_context and
8763 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8764 detected, advance frame state and context once to skip over stub.
8766 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8770 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8771 Call rewrite_into_loop_closed_ssa only when something changed.
8772 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8773 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8774 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8775 Test for perfect_nest_p here. Fix formating.
8776 (replace_uses_equiv_to_x_with_y): Fix formating.
8777 (stmt_uses_op): Removed.
8778 (can_convert_to_perfect_nest): Removed loopivs parameter.
8779 Complete the test by checking the scalar dependences.
8780 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8783 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8786 From Dan Kegel <dank@kegel.com>:
8787 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8789 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8791 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8792 if the element type is variably modified without recursing.
8794 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8797 * tree-loop-linear.c (try_interchange_loops): Test for
8798 no data dependences.
8800 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8802 PR tree-optimization/27548
8803 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8804 range of ssa names that appear on abnormal edges.
8805 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8806 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8808 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8811 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8813 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8816 * tree.h (OMP_PARALLEL_COMBINED): Define.
8817 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8818 (new_omp_context): Add is_combined_parallel argument.
8819 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8820 new_omp_context caller.
8821 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8822 Adjust gimplify_scan_omp_clauses callers.
8823 (omp_is_private): Issue errors if iteration variable is firstprivate
8824 or reduction in the current context.
8825 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8826 on combined parallel workshare constructs.
8828 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8830 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8831 (gcc-options.o): New rule.
8833 * optc-gen.awk: Protect variables for gcc-options.o with
8834 #ifdef GCC_DRIVER/#endif.
8836 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8838 Fix PR tree-optimization/27373
8839 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8840 (forward_propagate_addr_expr): Update call.
8842 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8844 * doc/options.texi: Move the Negative option.
8846 2006-05-16 Richard Guenther <rguenther@suse.de>
8848 PR tree-optimization/22303
8849 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8851 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8852 ccp_fold did not simplify the statement.
8854 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8857 * Makefile.in (GCC_OBJS): New.
8858 (OBJS-common): Add opts-common.o.
8859 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8860 (cpp$(exeext)): Likewise.
8861 (gcc.o): Also depend on opts.h.
8862 (opts-common.o): New.
8864 * common.opt (gcoff): Add Negative(gdwarf-2).
8865 (gdwarf-2): Add Negative(gstabs).
8866 (gstabs): Add Negative(gstabs+).
8867 (gstabs+): Add Negative(gvms).
8868 (gvms): Add Negative(gxcoff).
8869 (gxcoff): Add Negative(gxcoff+).
8870 (gxcoff+): Add Negative(gcoff).
8871 * config/i386/i386.opt (m32): Add Negative(m64).
8872 (m64): Add Negative(m32).
8874 * doc/options.texi: Document the Negative option.
8876 * gcc.c: Include "opts.h".
8877 (main): Call prune_options after expandargv.
8879 * optc-gen.awk: Generate common declarations for all flag
8880 variables in options.c. Output the neg_index field.
8882 * opts.c (find_opt): Moved to ...
8883 * opts-common.c: Here. New file.
8885 * opts.h (cl_option): Add a neg_index field.
8887 (prune_options): Likewise.
8889 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8892 * omp-low.c (expand_omp_parallel): Don't assert
8893 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8894 instead search for it.
8897 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8900 2006-05-16 Andreas Schwab <schwab@suse.de>
8902 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8905 2006-05-15 Roger Sayle <roger@eyesopen.com>
8908 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8909 integer constants other than zero are only legitimate on TARGET_64BIT.
8910 <CONST_VECTOR> Only zero vectors are legitimate.
8911 (ix86_cannot_force_const_mem): Integral and vector constants can
8912 always be put in the constant pool.
8914 2006-05-16 DJ Delorie <dj@redhat.com>
8916 * crtstuff.c (__dso_handle): Set section from
8917 TARGET_LBIGCC_SDATA_SECTION if defined.
8918 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8919 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8921 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8924 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8927 2006-05-16 Ben Elliston <bje@au.ibm.com>
8929 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8931 2006-05-15 Per Bothner <per@bothner.com>
8933 * tree.c: (last_annotated_node): Use source_locus typedef.
8934 This permits bootstrapping with --enable-mapped-location.
8936 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8938 PR tree-optimization/26830
8939 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8940 (info_for_ssa_name, current_info_for_ssa_name_age,
8941 blocks_to_update): New variables.
8942 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8943 (clear_ssa_name_info, initialize_flags_in_bb,
8944 mark_block_for_update): New functions.
8945 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8946 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8947 prepare_def_site_for): Use mark_block_for_update.
8948 (mark_def_interesting): Assert that the processed block is marked in
8949 blocks_to_update. Do not take blocks argument.
8950 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8952 (rewrite_update_init_block, rewrite_update_stmt): Only process
8953 blocks with statements to rewrite.
8954 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8955 (update_ssa): Initialize and free blocks_to_update. Do not
8956 clear flags on statements. Do not use blocks bitmap.
8957 * tree.h (SSA_NAME_AUX): Removed.
8958 (struct tree_ssa_name): Removed aux field.
8959 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8961 2006-05-15 Richard Guenther <rguenther@suse.de>
8963 PR tree-optimization/27603
8964 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8965 Do computations in original type.
8967 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8969 * see.c: Code style changes such as redundant paranthesis,
8970 redundant intialization of local variables etc.
8971 (see_main): Declared now as static.
8972 * doc/invoke.texi: Update that -fsee is not enabled by
8975 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8977 * omp-low.c (check_omp_nesting_restrictions): New function.
8978 (scan_omp_1): Call it.
8981 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8982 construct, return *VAR.
8984 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
8986 PR rtl-optimization/27406
8987 * bt-load.c (migrate_btr_def): Skip the block having abnormal
8990 2006-05-14 Roger Sayle <roger@eyesopen.com>
8992 PR rtl-optimization/27538
8993 * combine.c (expand_compound_operation): Call gen_lowpart
8994 before calling simplify_shift_const.
8996 2006-05-14 Roger Sayle <roger@eyesopen.com>
8998 PR rtl-optimization/22563
8999 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9000 a fixed width bitfield, always force the intermediates into psuedos.
9002 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9005 * mkconfig.sh: Use operator = instead of == for test.
9007 2006-05-13 Nick Clifton <nickc@redhat.com>
9009 * dwarf2out.c (dbx_reg_number): Check return value from
9010 LEAF_REG_REMAP and only use it if it is valid.
9011 (multiple_reg_loc_descriptor): Likewise.
9013 2006-05-13 Richard Guenther <rguenther@suse.de>
9015 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9018 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9020 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9021 information attached to non-INSNs such as NOTEs.
9022 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9024 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9026 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9028 * config/s390/s390.md: Adjust comment describing On constraint.
9030 2006-05-11 Jan Hubicka <jh@suse.cz>
9032 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9033 to be output at -O0.
9035 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9038 * fold-const.c (size_binop): Move sanity check for arguments to
9039 the beginning of the function.
9042 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9045 2006-05-11 Richard Guenther <rguenther@suse.de>
9048 * fold-const.c (fold_unary): Handle intermediate conversion
9049 to a pointer type like intermediate conversion to an integer
9050 type in folding of (T1)(T2)var to var.
9051 Match the code to the comment in the final conversion for
9052 (T1)(T2)var to (T1)var regarding to type precision. Rather
9053 than disallow T1 being of pointer type, assert that both T1
9054 and var are of pointer type or not. Make sure not to fall
9055 over the frontends lazyness wrt array to pointer decay though.
9057 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9059 * arm.c (arm_struct_value_rtx): Delete.
9060 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9061 (arm_init_cumulative_args): Always initialize nregs to zero.
9063 2006-05-10 Richard Guenther <rguenther@suse.de>
9065 PR tree-optimization/27532
9066 * tree-object-size.c (plus_expr_object_size): Fix typo.
9068 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9071 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9072 ashrdi_const, ashrdi3): Use a scratch register.
9074 2006-05-10 Richard Guenther <rguenther@suse.de>
9076 PR tree-optimization/27302
9077 * fold-const.c (operand_equal_p): For two comparisons,
9078 try comparison of one comparison code swapped if that yields
9081 2006-05-10 Ben Elliston <bje@au.ibm.com>
9083 * tree-pretty-print.c (pretty_print_string): No need to handle
9084 '\0' as a special character.
9086 * tree.h: Include "hashtab.h".
9087 (iterative_hash_expr): Use hashval_t in its prototype.
9088 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9090 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9093 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9094 (hppa*64*-*-hpux11*): Ditto.
9095 (hppa[12]*-*-hpux11*): Ditto.
9097 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9100 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9102 2006-05-09 Michael Matz <matz@suse.de>
9104 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9105 host_extra_gcc_objs and host_xmake_file.
9106 (<*-*-linux*>): Don't overwrite host_xmake_file.
9107 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9108 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9109 (host_detect_local_cpu): Declare.
9110 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9111 * config/i386/i386.c (override_options): Handle -mtune=native
9113 * config/i386/x-i386: New file.
9114 * config/i386/driver-i386.c: New file.
9115 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9118 2006-05-09 Dirk Mueller <dmueller@suse.de>
9119 Richard Guenther <rguenther@suse.de>
9122 * fold-const.c (fold_read_from_constant_string): Relax check
9123 for matching types to matching modes.
9125 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9127 PR rtl-optimization/27335
9128 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9131 2006-05-08 Chao-ying Fu <fu@mips.com>
9132 Richard Sandiford <richard@codesourcery.com>
9134 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9135 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9136 * config/mips/mips.md (UNSPEC_SCC): New constant.
9137 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9138 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9139 (mips_emit_compare): Use it.
9140 (mips_expand_vcondv2sf): New function.
9142 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9144 Fix PR tree-optimization/27093
9145 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9146 renaming when they become not-used_alone.
9148 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9150 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9151 relocation and relocation stubs.
9153 2006-05-08 Eric Christopher <echristo@apple.com>
9155 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9158 2006-05-08 Jan Hubicka <jh@suse.cz>
9161 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9162 unused static functions are needed.
9164 2006-05-08 Roger Sayle <roger@eyesopen.com>
9167 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9168 of a reg_equiv_constant if the result is a legitimate constant.
9170 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9173 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9174 standard 80387 constants, raise the cost to prevent
9175 compress_float_constant() to generate load from memory.
9177 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9179 * config/arm/constraints.md (c): Fix a typo.
9181 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9184 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9187 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9189 (_mm_mwait): Likewise.
9191 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9193 (sse3_monitor): Make it 32bit only.
9194 (sse3_monitor64): New. 64bit monitor.
9196 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9199 * config/i386/i386.c (classify_argument): Skip fields with invalid
9202 2006-05-07 Richard Guenther <rguenther@suse.de>
9204 PR tree-optimization/27409
9205 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9206 Do not try to find zero-sized subvars.
9208 2006-05-07 Richard Guenther <rguenther@suse.de>
9210 PR tree-optimization/27136
9211 * tree-ssa-loop-niter.c (get_val_for): Correct function
9212 comment, assert requirements.
9213 (loop_niter_by_eval): Stop processing if the iterated
9214 value did not simplify.
9216 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9218 * opts.c (flag_see): remove its setting at -O3.
9220 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9222 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9223 * arm/constraints.md: New file.
9224 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9225 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9226 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9227 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9228 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9229 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9230 * arm.md: Include constraints.md.
9231 (thumb_movsi_insn): Use satisfies_constraint_J.
9232 (movhi, movqi): Use satisfies_constraint_I.
9234 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9236 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9237 for atmeg a645 device.
9239 2006-05-06 Richard Guenther <rguenther@suse.de>
9241 PR tree-optimization/27151
9242 * tree-vect-transform.c (vectorizable_condition): Punt on
9243 values that have a different type than the condition.
9245 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9248 * c-parser.c (c_parser_cast_expression): Only insert casts into
9249 hash table if pointer.
9250 * function.c (used_types_insert_helper): Rename from
9252 (used_types_insert): Call used_types_insert_helper.
9253 * function.h (used_types_insert): Accept only one argument.
9255 2006-05-05 David Edelsohn <edesohn@gnu.org>
9257 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9258 scratch with output modifier.
9260 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9263 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9264 with output modifier.
9266 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9269 * config/mips/mips.c (mips_symbolic_address_p): Return true
9270 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9271 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9273 2006-05-04 Richard Guenther <rguenther@suse.de>
9275 PR tree-optimization/14287
9276 PR tree-optimization/14844
9277 PR tree-optimization/19792
9278 PR tree-optimization/21608
9279 PR tree-optimization/27090
9280 * tree-ssa-pre.c (try_combine_conversion): New function.
9281 (compute_avail): After constructing the value-handle
9282 expression, use try_combine_conversion to combine NOP_EXPRs
9283 with previous value-handle expressions and use the result if it
9286 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9288 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9290 2006-05-04 Jan Hubicka <jh@suse.cz>
9293 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9295 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9297 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9298 that this only matches CONST_INTs. All users changed to VOIDmode
9301 * config/bfin/bfin.c: Include "optabs.h".
9302 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9304 (enum bfin_builtins): Add a number of fractional and vector builtins.
9305 (bfin_init_builtins): Likewise.
9306 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9307 (safe_vector_operand, bfin_expand_binop_builtin,
9308 bfin_expand_unop_builtin): New functions.
9309 (bfin_expand_builtin): Handle the new builtins.
9310 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9313 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9316 * Makefile.in (OBJS-common): Add see.o.
9317 (see.o): Add dependencies.
9318 * common.opt (fsee): New flag for the see optimization was added.
9319 * opts.c (flag_see): Initialized.
9320 * passes.c (init_optimization_passes, pass_see): New pass.
9321 * rtl.h (see_main): Declaration as extern.
9322 * timevar.def (TV_SEE): New.
9323 * tree-pass.h (pass_see): Declaration as extern.
9324 * invoke.texi (-fsee): Document.
9325 * recog.c (validate_simplify_insn): New function.
9326 * recog.h (validate_simplify_insn): Declaration as extern.
9327 * df-problems.c (df_chain_dump): Check for NULL.
9329 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9330 Daniel Berlin <dberlin@dberlin.org>
9332 * cfgrtl.c (insert_insn_bb_end_new): New function.
9333 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9335 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9337 * df.h (struct web_entry): Moved from web.c.
9338 (union_defs): Declaration as extern.
9339 (unionfind_root): Likewise.
9340 (unionfind_union): Likewise.
9341 * web.c (struct web_entry): Moved to df.h.
9342 (unionfind_root): Remove static declaration.
9343 (unionfind_union): Likewise.
9344 (union_defs): Likewise and generalize to use callback function.
9345 (web_main): Update arguments for union_defs function call.
9347 2006-05-04 Richard Guenther <rguenther@suse.de>
9349 PR tree-optimization/26447
9350 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9351 produce SSA_NAME copies before the store stmt to avoid
9352 breaking exception handling.
9354 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9357 * gimplify.c (omp_is_private): If var is shared in some outer context,
9358 return false instead of true. Stop searching on parallel context
9361 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9364 * coverage.c: Use get_gcov_unsigned_t() instead of
9365 unsigned_type_node all over.
9367 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9369 PR tree-optimization/27381
9370 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9371 maintain the same immediate_use links.
9372 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9373 node rather than segfaulting.
9375 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9378 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9379 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9380 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9382 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9384 Fix PR tree-optimization/26626
9385 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9387 * tree-ssa-operands.c (access_can_touch_variable): Allow
9388 typecasting through union pointers.
9390 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9393 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9394 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9395 to find if var will be a global variable even in the nested context.
9396 (omp_copy_decl): Only check for global variable at the end, it might
9397 be overridden in outer contexts.
9398 (scan_sharing_clauses): For global variables don't create a field.
9399 (lower_rec_input_clauses): Do nothing for global shared variables.
9400 Emit a barrier at the end of ILIST if there were any decls in both
9401 firstprivate and lastprivate clauses.
9402 (lower_send_clauses): Do nothing for global variables except for
9405 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9407 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9408 of the correct signedness is returned.
9410 2006-05-02 Jeff Law <law@redhat.com>
9412 PR tree-optimization/27364
9413 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9414 multiply expressions.
9416 2006-05-02 Tom Tromey <tromey@redhat.com>
9418 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9420 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9423 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9424 -mthumb -fPIC are used.
9426 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9427 Joshua Kinard <kumba@gentoo.org>
9430 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9431 with 64-bit pointers.
9433 2006-05-02 Paul Brook <paul@codesourcery.com>
9435 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9437 (create_fix_barrier): Check that a suitable barrier location is
9439 (arm_reorg): Include ftmp->address in allowable range of addresses.
9441 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9444 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9447 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9450 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9451 around RESULT_DECL for result passed by reference.
9452 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9453 * omp-low.c (use_pointer_for_field): Don't look at
9454 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9455 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9456 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9457 time or var for passing by reference for
9458 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9459 TREE_ADDRESSABLE variables when passing by reference.
9461 * omp-low.c (dump_omp_region): Fix output formatting.
9464 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9465 (expand_omp_parallel): Likewise.
9466 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9469 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9470 on statement list containing also constructors and destructors.
9471 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9474 * except.c (duplicate_eh_regions): Fix clearing of
9475 cfun->eh->region_array entries.
9477 2006-05-01 DJ Delorie <dj@redhat.com>
9479 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9481 (gcc_cv_objdump): Likewise.
9482 * configure: Regenerated.
9484 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9487 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9488 templates for case 3 and 4.
9490 2006-05-01 DJ Delorie <dj@redhat.com>
9492 * vec.c: Include bconfig.h when appropriate.
9493 * Makefile.in (build/vec.o): Adjust dependencies.
9494 * mkconfig.sh: Make sure config.h isn't used for build machine
9497 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9499 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9501 (mark_phi_for_rewrite): New function.
9502 (insert_phi_nodes_for, mark_use_interesting): Call
9503 mark_phi_for_rewrite.
9504 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9505 (update_ssa): Initialize and free phis_to_rewrite.
9507 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9509 PR rtl-optimization/27291
9510 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9511 folded to a constant.
9513 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9515 PR tree-optimization/27283
9516 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9517 not whole # of iteration descriptions.
9518 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9519 uses abnormal ssa name.
9520 (niter_for_single_dom_exit): Ditto.
9521 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9522 return just the number of iterations.
9524 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9526 PR tree-optimization/27144
9527 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9528 (record_estimate): Only record constant upper bound.
9529 (infer_loop_bounds_from_undefined): Call
9530 compute_estimated_nb_iterations just once.
9531 (proved_non_wrapping_p): Renamed to ...
9532 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9533 (convert_step_widening, scev_probably_wraps_p): Call
9534 n_of_executions_at_most instead of proved_non_wrapping_p.
9535 (substitute_in_loop_info): Do not replace values in bounds.
9536 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9539 2006-05-01 Richard Henderson <rth@redhat.com>
9542 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9543 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9546 2006-05-01 Roger Sayle <roger@eyesopen.com>
9548 * c-typeck.c (parser_build_binary_op): Don't call the function
9549 unsigned_conversion_warning to spot operand/result type overflow.
9550 (build_binary_op): Instead, call convert_and_check instead of
9551 convert to report the problem when the operands are promoted.
9552 * c-common.c (unsigned_conversion_warning): Make static.
9553 * c-common.h (unsigned_conversion_warning): Delete prototype.
9555 2006-05-01 Richard Guenther <rguenther@suse.de>
9557 PR tree-optimization/26726
9558 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9560 (find_interesting_uses_address): ... we work around here
9561 by folding INDIRECT_REFs in the substituted base.
9563 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9565 * omp-low.c (dump_omp_region): Add newlines.
9567 2006-04-30 Roger Sayle <roger@eyesopen.com>
9569 * common.opt (Woverflow): New command line option.
9570 * c-common.c (constant_expression_warning): Check warn_overflow.
9571 (overflow_waring): Pass OPT_Woverflow to warning.
9572 (unsigned_conversion_warning): Likewise.
9573 (convert_and_check): Likewise.
9574 * doc/invoke.texi: Document new command line option.
9576 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9578 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9579 TARGET_NO_FP_IN_TOC for section anchors.
9580 (optimization_options): Enable section anchors for all
9581 non-"Objective" languages.
9583 2006-04-28 Eric Christopher <echristo@apple.com>
9585 * config/darwin-c.c (darwin_ms_struct): Move this
9586 (darwin_set_default_type_attributes): and this...
9587 * config/darwin.c: ... here.
9588 * config/darwin.h (darwin_ms_struct): Declare.
9590 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9592 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9594 2006-04-28 Roger Sayle <roger@eyesopen.com>
9597 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9598 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9599 an unsigned HOST_WIDE_INT.
9600 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9602 (really_start_incremental_init): No need to call convert because
9603 bitsize_zero_node is already of type bitsizetype.
9604 (push_init_level): Extract the value of constructor_index as an
9605 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9606 (process_init_element): Likewise.
9608 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9610 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9611 value before passing to make_relative_prefix.
9613 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9616 * builtins.c (expand_builtin_memset): Expand val in original mode.
9618 2006-04-27 Eric Christopher <echristo@apple.com>
9620 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9621 with #ifndef/#endif.
9622 * config/darwin-c.c (darwin_ms_struct): New.
9623 (darwin_pragma_ms_struct): Ditto.
9624 (darwin_set_default_type_attributes): Ditto.
9625 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9626 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9627 Register ms_struct pragma.
9628 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9629 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9630 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9631 darwin_set_default_type_attributes if TARGET_MACHO.
9633 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9635 PR tree-optimization/26854
9636 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9637 * doc/tree-ssa.texi: Update immuse iterator documentation.
9638 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9639 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9640 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9641 first_safe_imm_use, next_safe_imm_use): Remove.
9642 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9643 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9644 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9645 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9646 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9647 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9648 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9649 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9650 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9651 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9652 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9653 (perfect_nestify): Use new iterator.
9654 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9656 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9657 (next_imm_name): New field in struct immediate_use_iterator_d.
9658 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9659 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9660 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9661 * tree-cfg.c (replace_uses_by): Use new iterator.
9662 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9663 * tree-ssa-operands.c (correct_use_link): Remove.
9664 (finalize_ssa_use_ops): No longer call correct_use_link.
9666 2006-04-27 Stuart Hastings <stuart@apple.com>
9668 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9669 * config/t-darwin (crt3.o): Use it.
9670 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9671 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9672 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9673 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9674 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9677 2006-04-27 Roger Sayle <roger@eyesopen.com>
9679 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9680 size, force the intermediate into a new pseudo rather instead of
9681 performing both a bitwise AND and a bitwise IOR in memory.
9683 2006-04-27 Richard Guenther <rguenther@suse.de>
9685 PR rtl-optimization/26685
9686 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9687 this one "max-flow-memory-locations".
9689 2006-04-27 Richard Guenther <rguenther@suse.de>
9691 PR tree-optimization/25148
9692 * tree-vrp.c (compare_values): Remove code dealing with
9693 comparisons against type min/max value. Honour overflow
9694 and negative constants in code dealing with comparisons
9695 of plus and minus expressions.
9696 (value_inside_range): Use fold_binary with LE_EXPR and
9697 GE_EXPR rather than compare_values.
9699 2006-04-27 Dirk Mueller <dmueller@suse.de>
9701 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9704 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9706 * basic-block.h (safe_insert_insn_on_edge): Removed.
9707 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9709 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9710 Paolo Bonzini <bonzini@gnu.org>
9713 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9714 (simplify_and_const_int): Same.
9716 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9718 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9720 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9723 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9724 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9725 cgraph_global_info_ready.
9728 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9731 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9732 either decl or init is error_mark_node.
9735 * tree-flow.h (struct omp_region): Add sched_kind.
9736 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9737 instead of extracting omp for data.
9738 (expand_omp_for): Save extracted sched_kind.
9740 2006-04-25 Roger Sayle <roger@eyesopen.com>
9742 * expmed.c (store_bit_field): Also check whether the bitsize is
9743 valid for the machine's "insv" instruction before moving the
9744 target into a pseudo for use with the insv.
9745 * config/i386/predicates.md (const8_operand): New predicate.
9746 * config/i386/i386.md (extv, extzv, insv): Use the new
9747 const8_operand predicate where appropriate.
9749 2006-04-25 DJ Delorie <dj@redhat.com>
9751 * doc/install.texi (Specific): Clarify that this is not a list of
9752 supported hosts or targets.
9754 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9756 PR rtl-optimization/26725
9757 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9758 block's BB_DIRTY flag.
9760 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9762 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9765 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9766 to print an integer.
9768 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9770 * varasm.c (align_variable): New function.
9771 (get_block_for_decl): Apply align_variable to DECL before
9772 calculating section information.
9773 (assemble_variable): Split out alignment computation.
9775 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9777 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9780 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9782 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9783 MODE_PARTIAL_INT mode.
9784 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9785 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9787 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9788 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9790 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9792 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9794 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9795 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9796 MACFLAG_IH): Likewise.
9797 (movstricthi_1): Renamed from "*movstricthi".
9798 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9799 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9800 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9801 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9802 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9803 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9804 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9805 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9806 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9807 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9808 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9809 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9810 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9811 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9812 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9814 * doc/rtl.texi (ss_ashift): Improve wording.
9816 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9818 * dwarf2out.c (verify_marks_clear): New.
9819 (prune_unused_types): Call verify_marks_clear initially, not
9822 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9824 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9825 * doc/rtl.texi: Document them.
9826 * simplify-rtx.c (simplify_unary_operation,
9827 simplify_binary_operation_1): Don't abort when we see them.
9829 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9832 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9833 * configure.ac: Completely disregard languages that are not
9835 * configure: Regenerated.
9837 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9838 Richard Guenther <rguenther@suse.de>
9840 PR tree-optimization/27236
9841 * tree-inline.c (copy_body_r): Make sure to copy
9842 TREE_THIS_VOLATILE flag.
9844 2006-04-24 Richard Guenther <rguenther@suse.de>
9847 * tree-complex.c (update_parameter_components): Don't handle
9848 unused parameters which have no default def.
9850 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9851 Richard Guenther <rguenther@suse.de>
9853 PR tree-optimization/27218
9854 * tree-inline.c (expand_call_inline): Strip useless type
9855 conversions for the return slot address.
9857 2006-04-24 Richard Guenther <rguenther@suse.de>
9859 * cfgloop.h (struct loops): Remove unused field array. Reorder
9861 (LOOP_PREFETCH): Remove.
9863 2006-04-24 Richard Guenther <rguenther@suse.de>
9865 PR tree-optimization/22525
9866 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9867 variable, adjust types of generated expressions.
9869 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9871 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9872 (tree-vect-patterns.o): Likewise.
9874 (cselib.o): Likewise.
9875 (loop-doloop.o): Likewise.
9876 (regclass.o): Likewise.
9877 (reload1.o): Likewise.
9878 (explow.o): Replace target.h with $(TARGET_H).
9879 (ipa-prop.o): Likewise.
9880 (ipa-cp.o): Likewise.
9881 (ipa-inline.o): Likewise.
9882 (reorg.o): Likewise.
9883 (reg-stack.o): Likewise.
9885 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9887 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9889 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9891 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9893 * configure.ac: Completely disregard languages that are not
9895 * configure: Regenerated.
9898 * c-common.h (c_build_bitfield_integer_type): Declare.
9899 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9900 * c-common.c (c_build_bitfield_integer_type): ... here.
9902 2006-04-23 Roger Sayle <roger@eyesopen.com>
9905 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9906 a SImode SUBREG of a floating point register after no_new_pseudos.
9908 2006-04-23 Roger Sayle <roger@eyesopen.com>
9910 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9911 identify potentially eliminable registers to additionally catch
9912 VIRTUAL_INCOMING_ARGS_REGNUM.
9913 (addsi3): Update the conditions on when to use addsi_small_int.
9915 2006-04-23 Roger Sayle <roger@eyesopen.com>
9918 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9919 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9920 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9922 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9924 * fold-const.c (range_predecessor): Use operand_equal_p
9925 as the predicate for equality.
9926 (range_successor): Likewise.
9928 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9931 * config/soft-fp/op-common.h: Fix a typo.
9933 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9936 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9937 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9939 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9941 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9943 * doc/tm.texi: Fix a typo.
9945 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9947 * dwarf2out.c (struct die_struct): Document that die_sib makes
9948 a circular linked list.
9949 (FOR_EACH_CHILD): New.
9950 (reverse_die_lists): Delete.
9951 (reverse_all_dies): Delete.
9952 (add_dwarf_attr): Correct documentation.
9953 (remove_child_with_prev): New.
9954 (remove_child_TAG): Update for change to die_struct, use
9955 remove_child_with_prev.
9956 (add_child_die): Update for change to die_struct.
9957 (splice_child_die): Use remove_child_with_prev and add_child_die.
9958 (print_die): Use FOR_EACH_CHILD.
9959 (die_checksum): Likewise.
9960 (assign_symbol_names): Likewise.
9961 (output_location_lists): Likewise.
9962 (build_abbrev_table): Likewise.
9963 (calc_die_sizes): Likewise.
9964 (mark_dies): Likewise.
9965 (unmark_dies): Likewise.
9966 (unmark_all_dies): Likewise.
9967 (output_die): Likewise.
9968 (prune_unused_types_mark): Likewise.
9969 (prune_unused_types_walk): Likewise.
9970 (same_die_p): Update for change to die_struct.
9971 (break_out_includes): Likewise.
9972 (prune_unused_types_prune): Likewise.
9973 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9974 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9976 (dwarf2out_finish): Don't call reverse_all_dies.
9978 2006-04-21 Eric Christopher <echristo@apple.com>
9980 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9981 in comments and function names.
9983 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9986 * c-typeck.c (digest_init): Robustify.
9988 * c-typeck.c (pop_init_level): Simplify.
9990 2006-04-21 Steve Ellcey <sje@cup.hp.com>
9992 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
9994 2006-04-21 Paul Brook <paul@codesourcery.com>
9996 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
9997 hardware floating point.
9999 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10001 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10004 2006-04-21 Nick Clifton <nickc@redhat.com>
10006 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10009 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10012 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10013 C++ lang type in traceback table for Objective-C++.
10015 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10017 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10019 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10021 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10024 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10025 were errors. Remove check for erroneous objects.
10027 2006-04-20 Jeff Law <law@redhat.com>
10029 PR tree-optimization/26854
10030 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10031 checking for zero or one use.
10032 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10033 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10034 * tree-ssa-reassoc.c (negate_value): Similarly.
10035 (reassociate_bb): Similarly.
10037 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10039 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10040 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10041 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10043 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10045 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10046 fp regs if the last fp arg doesn't fit in regs.
10048 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10051 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10052 that the last insn has the REG_INC note.
10054 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10055 Nathan Sidwell <nathan@codesourcery.com>
10058 * stor-layout.c (update_alignment_for_field): Do not align
10060 (place_union_field): Place union field at the start of the union.
10061 (place_field): Move ERROR_MARK check later, and use the current
10062 allocation position to maintain monotonicity.
10064 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10066 * dominance.c: Include timevar.h.
10067 (calculate_dominance_info): Use TV_DOMINANCE.
10068 * timevar.def (TV_DOMINANCE): New timevar.
10069 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10071 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10073 PR rtl-optimization/14261
10074 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10075 move would be an INSV insn.
10076 (noce_process_if_block): Don't optimize if the destination is a
10077 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10079 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10081 * config/s390/s390.md: Add comments with the instructions emitted
10082 by an insn pattern if macros are used.
10084 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10086 PR rtl-optimization/26026
10087 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10088 is a known power of two shifted left a variable amount.
10090 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10092 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10093 to hash table twice when the debug_str section has SECTION_MERGE.
10095 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10097 * config/soft-fp: New directory. From glibc.
10098 * config/soft-fp/t-softfp: New.
10099 * config/soft-fp/README: New.
10100 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10101 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10102 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10103 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10104 * config.gcc: Use rs6000/t-fprules-fpbit or
10105 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10107 * config/rs6000/sfp-machine.h: New. Based on glibc.
10108 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10110 * config/rs6000/t-fprules: Remove fp-bit rules.
10111 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10112 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10113 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10114 (softfp_wrap_start, softfp_wrap_end): New.
10116 2006-04-18 DJ Delorie <dj@redhat.com>
10118 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10120 2006-04-18 Devang Patel <dpatel@apple.com>
10122 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10124 2006-04-18 Nick Clifton <nickc@redhat.com>
10126 * config/sh/t-symbian: Add rule to build sh-c.o
10127 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10128 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10129 (sh_symbian_encode_section_info): Likewise.
10131 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10133 * builtins.c (expand_builtin_strcmp): Cover label definition of
10134 do_libcall with HAVE_cmpstrnsi.
10136 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10138 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10140 * function.h (temp_slot_p): New.
10141 (function): Change the type of x_used_temp_slots to
10142 VEC(temp_slot_p,gc) *.
10144 2006-04-18 Nick Clifton <nickc@redhat.com>
10146 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10147 flag_strength_reduce.
10149 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10151 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10155 Partial revert of revision 112637
10156 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10157 Dale Johannesen <dalej@apple.com>
10160 * regclass.c (struct reg_pref): Update documentation.
10161 (regclass): Set prefclass to NO_REGS if memory is the best option.
10162 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10164 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10166 PR tree-optimization/26821
10167 * tree-ssa-math-opts.c (get_constant_one): New.
10168 (insert_reciprocals): Use it.
10170 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10172 * dwarf2out.c (free_AT): Delete.
10173 (remove_AT): Update string ref counts.
10174 (remove_child_TAG): Don't call free_die.
10175 (free_die): Delete.
10176 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10177 or DW_TAG_GNU_EINCL.
10178 (prune_unused_types_walk_attribs): Reset string refcounts.
10179 (prune_unused_types_update_strings): New.
10180 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10181 call free_die. Do call prune_unused_types_update_strings.
10182 (prune_unused_types): Empty debug_str_hash.
10184 2006-04-17 Roger Sayle <roger@eyesopen.com>
10186 * expr.c (expand_assignment): Optimize away no-op moves where the
10187 source and destination are equal and have no side-effects.
10189 2006-04-17 Richard Guenther <rguenther@suse.de>
10192 * reload.c (push_reload): Guard calls to get_secondary_mem
10193 for memory subregs.
10195 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10197 * alias.c (reg_base_value, old_reg_base_value): Change the
10198 type to VEC(rtx,gc) *.
10199 (REG_BASE_VALUE, find_base_value, record_set,
10200 init_alias_analysis): Use VEC instead of VARRAY.
10202 * alias.c (alias_sets): Change the type to
10203 VEC(alias_set_entry,gc) *.
10204 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10205 VEC instead of VARRAY.
10206 (last_alias_set): Remove.
10208 * cgraph.h (cgraph_edge_p): New.
10209 Update the prototype of cgraph_function_versioning.
10210 * cgraphunit.c (cgraph_copy_node_for_versioning,
10211 cgraph_function_versioning): Use VEC instead of VARRAY.
10212 * ipa-cp.c (ipcp_insert_stage): Likewise.
10214 2006-04-16 Roger Sayle <roger@eyesopen.com>
10217 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10218 "A op B" or "A op C", we may need to convert A to the type of B and C.
10220 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10222 * target.h (struct gcc_target): Add mode_rep_extended.
10223 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10224 (init_num_sign_bit_copies_in_rep): Initialize it using
10226 (truncate_to_mode): Use it.
10227 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10228 * targhooks.h (default_mode_rep_extended): Declare it.
10229 * targhooks.c (default_mode_rep_extended): Define it.
10230 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10231 default_mode_rep_extended.
10232 (TARGET_INITIALIZER): Include it.
10233 * doc/tm.texi (Misc): Document it.
10234 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10235 (mips_truncated_to_mode): New function.
10237 2006-04-16 Roger Sayle <roger@eyesopen.com>
10239 PR middle-end/25474
10240 * expr.c (compress_float_constant): Copy the narrow constant into
10241 a new pseudo before extending it to its final width.
10243 2006-04-16 Roger Sayle <roger@eyesopen.com>
10244 Andrew Pinski <pinskia@gcc.gnu.org>
10245 Dale Johannesen <dalej@apple.com>
10248 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10249 special case code to implement V8HImode and V16QImode with SSE2.
10251 2006-04-15 Roger Sayle <roger@eyesopen.com>
10253 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10254 trees are constructed with a suitable tree type.
10256 2006-04-15 Roger Sayle <roger@eyesopen.com>
10258 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10259 (integer_onep): Likewise.
10260 (integer_all_onesp): Likewise.
10261 (integer_pow2p): Likewise.
10262 (integer_nonzerop): Likewise.
10263 (real_zerop): Likewise.
10264 (real_onep): Likewise.
10265 (real_twop): Likewise.
10266 (real_minus_onep): Likewise.
10267 (int_size_in_bytes): Likewise.
10268 (host_integerp): Likewise.
10270 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10272 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10273 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10274 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10276 * tree-ssa-structalias.h (alias_info): Remove num_references.
10278 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10280 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10281 (output_bvb patterns): Likewise.
10282 * pa.c (output_bb): Use 'bb' insn for long branch case.
10283 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10284 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10285 1. Correct length operand for alternatives 1 and 2.
10286 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10287 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10289 2006-04-14 Roger Sayle <roger@eyesopen.com>
10291 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10292 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10293 were accidentally reverted by r112959.
10295 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10297 PR middle-end/26823
10298 * except.h (eh_region_outermost): New prototype.
10299 * except.c (eh_region_outermost): New function.
10300 * tree-cfg.c (find_outermost_region_in_block): Use it.
10302 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10304 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10306 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10307 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10308 (init_reload, reload): Use VEC instead of VARRAY.
10309 * reload.h: Update the prototype for
10310 reg_equiv_memory_loc_varray.
10312 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10313 Eric Botcazou <ebotcazou@libertysurf.fr>
10315 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10316 register save area.
10318 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10320 PR middle-end/27134
10321 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10322 to expand fallback builtin function call.
10324 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10326 PR middle-end/27095
10327 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10328 and emit libcall here in case the builtin fails.
10329 (expand_builtin_strcmp): Always emit the libcall here on failure.
10331 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10333 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10334 * flow.c (reg_n_info): Change the type to
10335 VEC(reg_info_p,heap) *.
10336 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10338 * regs.h (reg_info_p): New.
10339 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10340 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10341 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10344 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10346 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10348 * params.h (MAX_SCHED_READY_INSNS): New macro.
10349 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10350 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10351 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10352 the ready list for 1 cycle during the first scheduling pass.
10353 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10355 2006-04-13 Richard Henderson <rth@redhat.com>
10358 * gimple-low.c (lower_omp_directive): Remove dead code.
10359 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10360 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10361 * omp-low.c (struct omp_region): Move to tree-flow.h.
10362 (root_omp_region): Export.
10363 (omp_regions, lookup_omp_region): Remove.
10364 (determine_parallel_type): Update for struct omp_region changes.
10365 (dump_omp_region): Dump regions with block numbers.
10366 (new_omp_region): Take type and block instead of stmt; malloc
10368 (free_omp_region_1, free_omp_regions): New.
10369 (expand_parallel_call): Take entry_stmt as argument; update for
10370 changes to omp_region.
10371 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10372 (remove_exit_barriers): New.
10373 (expand_omp_parallel): Update for struct omp_region changes.
10374 (expand_omp_synch): Likewise.
10375 (expand_omp): Likewise.
10376 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10377 (expand_omp_for_static_chunk): Likewise.
10378 (expand_omp_for): Likewise.
10379 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10380 (expand_omp_sections): Similarly, with GOMP_sections_end.
10381 (expand_omp_single): New.
10382 (build_omp_regions_1): Update for OMP_CONTINUE.
10383 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10384 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10385 OMP_SECTIONS_SECTIONS.
10386 (lower_omp_single_simple): Don't emit barrier here.
10387 (lower_omp_single_copy): Likewise.
10388 (lower_omp_single): Fix bindings, and lower to straightline now.
10389 (lower_omp_master, lower_omp_ordered): Likewise.
10390 (lower_omp_critical): Likewise.
10391 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10392 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10393 omp edges, free it afterward.
10394 (make_omp_sections_edges): Remove.
10395 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10396 (move_stmt_r): Handle OMP_CONTINUE.
10397 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10398 statement pointers to basic blocks. Add type member.
10399 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10400 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10401 * tree-inline.c (estimate_num_insns_1): Likewise.
10402 * tree-pretty-print.c (dump_generic_node): Likewise.
10403 * tree-ssa-operands.c (get_expr_operands): Likewise.
10404 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10405 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10406 (OMP_CONTINUE): New.
10407 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10408 (OMP_SECTIONS_SECTIONS): Remove.
10409 (OMP_SECTION_LAST): New.
10410 (OMP_RETURN_NOWAIT): New.
10412 2006-04-13 Roger Sayle <roger@eyesopen.com>
10414 * fold-const.c (native_encode_vector, native_interpret_real):
10415 Correct obvious mistakes in the previous check-in.
10417 2006-04-13 Roger Sayle <roger@eyesopen.com>
10419 * fold-const.c (native_encode_expr): New function to encode
10420 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10421 or VECTOR_CST into a specified buffer.
10422 (native_encode_int): New function.
10423 (native_encode_real): New function.
10424 (native_encode_complex): New function.
10425 (native_encode_vector): New function.
10426 (native_interpret_expr): Inverse of native_encode_expr to convert
10427 a target representation into an INTEGER_CST, REAL_CST etc...
10428 (native_interpret_int): New function.
10429 (native_interpret_real): New function.
10430 (native_interpret_complex): New function.
10431 (native_interpret_vector): New function.
10432 (fold_view_convert_expr): New function to constant fold/evaluate
10433 a VIEW_CONVERT_EXPR of a suitable constant expression.
10434 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10435 Change call of build1 to fold_build1 when constructing a
10438 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10439 Ulrich Weigand <uweigand@de.ibm.com>
10442 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10445 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10448 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10449 optimize to lo_sum for DFmode if !TARGET_FPRS.
10451 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10453 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10454 delete_alias_info, compute_flow_sensitive_aliasing,
10455 group_aliases): Use VEC instead of VARRAY.
10456 * tree-ssa-structalias.c (update_alias_info): Likewise.
10457 * tree-ssa-structalias.h (alias_info): Change the type of
10458 processed_ptrs to VEC(tree,heap) *.
10460 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10463 * config/sh/lib1funcs.h: New file, broken out of:
10464 * config/sh/lib1funcs.asm.
10465 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10467 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10468 * config/sh/lib1funcs-Os-4-200.asm: New file.
10469 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10470 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10471 (EXTRA_MULTILIB_PARTS): Include it.
10472 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10473 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10474 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10475 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10478 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10480 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10481 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10482 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10484 * tree-ssa-live.h: Include vecprim.h.
10485 (tree_partition_associator_d): Change the type of
10486 first_partition to VEC(int,heap) *.
10487 (tpa_first_partition): Use VEC instead of VARRAY.
10489 * Makefile.in (GTFILES): Move functions.h after tree.h.
10490 * function.c (reset_block_changes, record_block_change,
10491 check_block_change, free_block_changes): Use VEC instead of
10493 * function.h (function): Change the type of
10494 ib_boundaries_block to VEC(tree,gc) *.
10495 * tree-inline.c (copy_cfg_body): Initialize
10496 ib_boundaries_block to NULL instead of (varray_type) 0.
10498 2006-04-12 Roger Sayle <roger@eyesopen.com>
10500 * expr.c (emit_group_store): Correct operand order in call to
10501 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10502 a SUBREG_BYTE of zero.
10504 2006-04-12 Richard Guenther <rguenther@suse.de>
10506 * profile.c (compute_branch_probabilities): Remove code
10507 encapsulated in !ir_type (), which are remanents of the
10508 removed RTL profiling code.
10509 * rtl-profile.c: Remove.
10511 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10513 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10514 magic NULL_RTX comment.
10515 (function_arg): Store entire fp arg to mem if any part should go
10517 (rs6000_arg_partial_bytes): Adjust for above change.
10519 2006-04-11 Roger Sayle <roger@eyesopen.com>
10521 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10522 if it hasn't been initialized by dwarf2out_init.
10524 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10526 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10527 symbolic constants in branch patterns.
10529 2006-04-11 Roger Sayle <roger@eyesopen.com>
10531 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10533 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10535 PR rtl-optimization/27073
10536 * gcse.c (try_replace_reg): Revert last change. Continue to search
10537 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10540 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10542 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10543 aggregate types other than record and union types.
10544 (function_arg): Likewise.
10545 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10547 (function_value): In 64-bit mode, return objects that require it
10550 2006-04-11 Roger Sayle <roger@eyesopen.com>
10552 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10554 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10556 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10558 2006-04-03 Jeff Law <law@redhat.com>
10561 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10562 alias information too.
10564 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10566 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10568 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10571 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10572 (premark_used_types_helper): New.
10573 (premark_used_types): New.
10574 (gen_subprogram_die): Call premark_used_types.
10575 (prune_unused_types_walk): Do not prune perennial dies.
10576 * function.c (used_types_insert): New.
10577 * function.h (struct function): Add used_types_hash field.
10578 (used_types_insert): Add prototype.
10579 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10580 * c-parser.c (c_parser_cast_expression): Save casted types in used
10583 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10586 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10587 rs6000_explicit_options.float_gprs.
10589 2006-04-10 Roger Sayle <roger@eyesopen.com>
10591 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10592 from ix86_expand_vector_init_low_nonzero. Take an additional
10593 one_var argument indicating which element is non-zero. Support
10594 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10595 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10596 with one_var instead of ix86_expand_vector_init_low_nonzero.
10598 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10600 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10601 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10602 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10603 build/genextract.o): Depend on vecprim.h.
10604 * cfglayout.c, df-problems.c, function.c, genextract.c,
10605 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10606 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10610 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10612 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10613 Declare VECs of this type.
10614 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10615 (remove_children): Delete.
10616 (add_dwarf_attr): Use VEC routines.
10617 (add_AT_flag): Update for changes to add_dwarf_attr.
10618 (add_AT_int): Likewise.
10619 (add_AT_unsigned): Likewise.
10620 (add_AT_long_long): Likewise.
10621 (add_AT_vec): Likewise.
10622 (add_AT_string): Likewise.
10623 (add_AT_die_ref): Likewise.
10624 (add_AT_fde_ref): Likewise.
10625 (add_AT_loc): Likewise.
10626 (add_AT_loc_list): Likewise.
10627 (add_AT_addr): Likewise.
10628 (add_AT_lbl_id): Likewise.
10629 (add_AT_lineptr): Likewise.
10630 (add_AT_macptr): Likewise.
10631 (add_AT_offset): Likewise.
10632 (add_AT_range_list): Likewise.
10633 (get_AT): Use VEC_iterate.
10634 (remove_AT): Use VEC_ordered_remove.
10635 (free_die): Fold remove_children into here; have it use VEC_iterate.
10636 (print_die): Use VEC_iterate on attrs.
10637 (reverse_die_lists): Don't reverse attr lists.
10638 (die_checksum): Use VEC_iterate on attrs.
10639 (same_die_p): Likewise.
10640 (output_location_lists): Likewise.
10641 (build_abbrev_table): Likewise.
10642 (size_of_die): Likewise.
10643 (unmark_all_dies): Likewise.
10644 (output_abbrev_section): Likewise.
10645 (output_die): Likewise.
10646 (prune_unused_types_walk_attribs): Likewise.
10648 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10650 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10652 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10655 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10657 2006-04-09 Roger Sayle <roger@eyesopen.com>
10659 * expr.c (store_constructor): Don't bother clearing target if
10660 we're about to assign a vector to it using vec_init_optab.
10662 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10664 * tree-ssa-alias.c (lhs_may_store_to): New function.
10665 (recalculate_used_alone): Handle LHS of calls.
10667 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10671 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10672 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10673 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10674 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10675 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10676 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10677 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10678 stubs. Add ".align 8" directives before all ".dword" directives.
10679 (GTHREAD_USE_WEAK): Revise comment.
10680 (TARGET_ATTRIBUTE_WEAK): Define.
10681 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10682 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10683 * stublib.c: New file.
10688 * pa.md (cbranch patterns): Revise arguments used in calls to
10689 output_cbranch, output_bb and output_bvd. Add long branch length
10691 (fbranch patterns): Handle long branches.
10692 (jump): Revise length check. Revise arguments for output_lbranch call.
10693 Add long branch length attributes.
10694 (decrement_and_branch_until_zero): Add long branch length attributes.
10695 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10696 Likewise. Revise arguments for output_parallel_addb and
10697 output_parallel_movb calls.
10698 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10699 output_parallel_movb and output_parallel_addb): Update prototypes.
10700 * pa.c (output_cbranch): Revise arguments. Correct handling of
10701 nullification in long branches.
10702 (output_lbranch): Add new argument to control extraction of delay
10704 (output_bb): Handle long branches.
10705 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10706 output_parallel_addb): Likewise.
10708 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10710 PR rtl-optimization/27073
10711 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10714 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10716 * tree.h (tree_memory_tag): Add old_used_alone.
10717 (SMT_OLD_USED_ALONE): New macro.
10718 * tree-ssa-alias.c (recalculate_used_alone): Stop
10719 marking things for renaming unnecessarily.
10721 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10723 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10724 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10725 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10726 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10727 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10728 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10729 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10730 spelling convensions.
10731 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10732 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10733 typos. Follow spelling conventions.
10735 2006-04-07 DJ Delorie <dj@redhat.com>
10737 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10738 passed on the stack.
10739 (m32c_init_cumulative_args): When a function returns a structure,
10740 always pass the pointer to that return area on the stack.
10741 (m32c_function_arg_advance): Don't increment the parameter number
10742 if we're processing the returned structure pointer.
10743 (pushm_info): Reverse order of registers.
10745 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10747 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10748 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10749 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10750 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10751 build_int_cst_type.
10752 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10753 chrec_fold_multiply): Same.
10754 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10755 force_expr_to_var_cost): Same.
10756 * tree-mudflap.c (mf_xform_derefs_1): Same.
10757 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10759 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10761 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10762 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10765 2006-04-07 Jan Hubicka <jh@suse.cz>
10767 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10769 2006-04-07 Richard Guenther <rguenther@suse.de>
10771 PR tree-optimization/26135
10772 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10773 loads for store copy-prop.
10774 (copy_prop_visit_stmt): Likewise.
10776 2006-04-05 Robert Millan <robertmh@gnu.org>
10778 * config/i386/linux.h: Add a comment to mark macros that are
10779 being overriden in config/k*bsd-gnu.h.
10780 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10782 * config/knetbsd-gnu.h: Ditto.
10784 2006-04-06 Jan Hubicka <jh@suse.cz>
10788 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10791 2006-04-06 Mike Stump <mrs@apple.com>
10793 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10794 for HAVE_nonlocal_goto to be consistent.
10795 (expand_builtin_nonlocal_goto): Likewise.
10796 (expand_builtin_strcmp): Use #ifdef instead of #if
10797 for HAVE_cmpstrnsi to be consistent.
10799 2006-04-05 DJ Delorie <dj@redhat.com>
10801 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10804 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10806 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10807 got-relative addressing for anything but SImode.
10809 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10810 even if the calling function doesn't modify them.
10812 2006-04-05 Richard Guenther <rguenther@suse.de>
10814 PR tree-optimization/26919
10815 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10816 to cgraph_estimate_size_after_inlining.
10818 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10820 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10822 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10824 PR tree-optimization/26996
10825 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10826 VECTOR_TYPE variables.
10828 2006-04-05 Richard Guenther <rguenther@suse.de>
10830 PR tree-optimization/26763
10831 * fold-const.c (fold_comparison): Move folding of
10832 PTR + CST CMP PTR + CST ...
10833 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10835 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10837 * doc/install.texi (Prerequisites): Refine some wording on
10838 bootstrapping and ksh.
10839 Move the version numbers of DejaGnu here from the testing section
10840 and fix casing of names.
10841 Fix markup and clarify wording for autogen requirements.
10842 Refer to GCJ instead of just java.
10843 Refer to SVN instead of CVS.
10844 Describe diffutils as useful instead of necessary.
10845 (Downloading the source): Refer to SVN instead of CVS.
10846 Adjust a link to our web site accordingly.
10847 (Configuration): Fix casing of Bison.
10848 (Building): Refer to SVN instead of CVS.
10849 Fix a sentence on the use of Bison and remove duplicate (and
10850 incorrect) version number of Bison requirement.
10851 Remove one redundant list of packages needed for building.
10852 (Specific): Avoid reference to CVS.
10854 2006-04-04 Eric Christopher <echristo@apple.com>
10856 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10857 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10858 (rs6000_handle_struct_attribute): New.
10859 (rs6000_ms_bitfield_layout_p): Ditto.
10861 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10863 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10864 NULL for dso parameter to atexit_common.
10866 2006-04-04 Eric Christopher <echristo@apple.com>
10868 * config/i386/i386.c (machopic_output_stub): Output \t
10869 between instructions and operands.
10871 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10873 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10874 satisfies_constraint_[IL] to explicit tests on value.
10876 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10878 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10879 set_nb_iterations_in_loop): Use build_int_cst instead of
10880 build_int_cst_type.
10881 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10882 build_int_cst instead of convert.
10884 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10886 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10887 new value 2 for incoming.
10888 * function.c (expand_function_start): Call struct_value_rtx
10889 with incoming as 2.
10890 * config/sparc/sparc.md: Comment updated_return.
10891 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10892 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10893 struct return if sparc_std_struct_return and incoming is 2.
10894 (print_operand): Do not adjust return if
10895 sparc_std_struct_return.
10897 2006-04-04 Roger Sayle <roger@eyesopen.com>
10899 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10900 convert in the middle-end.
10901 * expr.c (store_expr, store_constructor, get_inner_reference,
10902 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10904 * tree.c (build_range_type): Likewise.
10906 2006-04-04 Tom Tromey <tromey@redhat.com>
10908 * doc/install.texi (Prerequisites): Mention jar.
10910 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10912 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10915 2006-04-04 Matthias Klose <doko@debian.org>
10917 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10921 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10924 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10926 * doc/extend.texi (Function Attributes): Rewrite visibility
10927 attribute documentation.
10928 * doc/invoke.texi (C++ Dialect Options): Rewrite
10929 -fvisibility-inlines-hidden documentation to describe something
10930 entirely different, although in practise compatible.
10931 (Code Gen Options): Warn about system headers in -fvisibility=
10934 * doc/extend.texi (Other Builtins): Document that
10935 __builtin_nan is a compile-time constant only when its argument
10938 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10940 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10941 trying to remove TRUNCATE check if all bits outside the new mode
10942 are identical to the sign bit.
10944 2006-04-03 Jeff Law <law@redhat.com>
10946 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10947 and operand scanning in some common cases.
10949 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10950 Dale Johannesen <dalej@apple.com>
10953 * regclass.c (struct reg_pref): Update documentation.
10954 (regclass): Set prefclass to NO_REGS if memory is the best option.
10955 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10956 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10957 into account. For non-registers, equate an empty preferred
10958 reload class to a `!' in the constraint; move the if clause to
10959 do so after those that reject the insn.
10960 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10962 (find_dummy_reload): Likewise.
10963 * doc/tm.texi (Register Classes): Document what it means
10964 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10965 * config/i386/i386.c (ix86_preferred_reload_class): Force
10966 using SSE registers (and return NO_REGS for floating-point
10967 constants) if math is done with SSE.
10968 (ix86_preferred_output_reload_class): New.
10969 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10970 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10971 * config/i386/i386.md: Remove # register preferences.
10973 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10976 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10977 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10978 the type of nb_iter.
10979 (instantiate_parameters_1): Convert the operands before calling
10980 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10981 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10983 2006-04-02 Roger Sayle <roger@eyesopen.com>
10985 * builtins.c (dummy_object): Use build_int_cst instead of convert.
10986 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
10987 instead of convert.
10988 * dojump.c (do_jump): Likewise.
10989 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
10990 * gimplify.c (gimple_boolify, gimplify_init_constructor,
10991 gimplify_boolean_expr): Likewise.
10992 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
10993 * varasm.c (array_size_for_constructor): Likewise.
10994 * tree-object-size.c (compute_object_offset): Likewise.
10996 2006-04-02 Roger Sayle <roger@eyesopen.com>
10998 PR middle-end/26977
10999 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11000 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11002 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11004 PR tree-optimization/26939
11005 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11007 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11009 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11010 at_stmt. Convert the type of operands before calling
11011 build_polynomial_chrec.
11012 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11013 add_to_evolution_1.
11014 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11015 (instantiate_parameters_1): Convert the type of operands before calling
11016 build_polynomial_chrec.
11017 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11018 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11019 reset_evolution_in_loop): Insert asserts to check the types of the
11021 (chrec_type): Moved...
11022 (eq_evolutions_p): Use operand_equal_p.
11023 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11024 the types of the operands.
11025 (chrec_type): ...here.
11026 * tree-data-ref.c (create_data_ref): Convert the operands before
11027 calling chrec_replace_initial_condition.
11028 (same_access_functions, analyze_subscript_affine_affine,
11029 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11030 (compute_subscript_distance, analyze_ziv_subscript,
11031 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11032 analyze_miv_subscript): Convert the operands before calling
11033 chrec_fold_minus or chrec_fold_plus.
11035 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11037 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11038 the dependence_relations vector.
11039 (compute_data_dependences_for_loop): Adjust call to
11040 compute_all_dependences.
11042 2006-04-01 Roger Sayle <roger@eyesopen.com>
11043 Richard Henderson <rth@redhat.com>
11045 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11046 gimple_boolify on the condition before calling gimplify_expr.
11048 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11050 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11051 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11052 the frame size. Update to use the new macros.
11053 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11054 * config/xtensa/ieee754-df.S: Likewise.
11056 2006-03-31 Richard Henderson <rth@redhat.com>
11058 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11059 (make_edges): ... here. Control fallthru creation with a local
11060 variable. Do not play with fake edges.
11061 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11062 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11065 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11067 * dwarf2.h (DW64_CIE_ID): Define.
11068 * dwarf2out.c (DWARF_CIE_ID): Define.
11069 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11070 length header. Use DWARF_CIE_ID.
11071 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11072 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11074 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11076 * config/sh/linux-atomic.asm: New file.
11077 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11079 2006-03-31 DJ Delorie <dj@redhat.com>
11081 * config/m32c/cond.md: Set condition flags properly throughout.
11082 * config/m32c/minmax.md: Likewise.
11083 * config/m32c/prologue.md: Likewise.
11084 * config/m32c/bitops.md: Likewise.
11085 * config/m32c/muldiv.md: Likewise.
11086 * config/m32c/mov.md: Likewise.
11087 * config/m32c/addsub.md: Likewise.
11088 * config/m32c/m32c.md: Likewise.
11089 * config/m32c/jump.md: Likewise.
11090 * config/m32c/shift.md: Likewise.
11092 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11093 conditionally output the pattern for this.
11094 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11095 (m32c_compare_redundant): New.
11096 (m32c_output_compare): New.
11097 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11099 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11100 dest, not src. Allow other 4-byte modes.
11102 2006-03-30 Denis Chertykov <denisc@overta.ru>
11104 * doc/md.texi: Refer to avr/constraints.md instead of
11107 2006-03-30 Roger Sayle <roger@eyesopen.com>
11109 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11110 signed vs. unsigned comparison failures on some hosts.
11112 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11115 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11116 change to FLOAT_REGS.
11118 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11119 (rs6000_override_options): Use it.
11120 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11121 only for -mabi=spe/no-spe and -mabi=altivec.
11123 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11125 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11128 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11130 * Makefile.in: Rename docdir to gcc_docdir.
11132 2006-03-30 Roger Sayle <roger@eyesopen.com>
11135 * expr.c (emit_group_store): Optimize group stores into a pseudo
11136 register by using a paradoxical subreg to initialize the destination
11137 if the first or last member of the group specifies a "low part".
11139 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11142 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11143 * target.h (struct gcc_target.speculate_insn): Change type of the
11144 second parameter to 'int'.
11145 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11146 the second operand of the DEPS_LIST.
11147 (copy_DEPS_LIST_list): Update reference to the second operand of the
11149 * rtl.h (alloc_DEPS_LIST): Update signature.
11150 * sched-int.h (ds_t): Change typedef to 'int'.
11151 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11153 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11155 * haifa-sched.c (try_ready): Change condition to restore
11156 non-speculative pattern of the instruction.
11157 (process_insn_depend_be_in_spec): Code to keep probability of the
11158 speculative dependence non-decreasing.
11160 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11162 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11163 (single_move_for_movmem): ... this. Also change all uses.
11164 (bfin_expand_strmov): Renamed to...
11165 (bfin_expand_movmem): ... this. Also change all uses.
11166 * config/bfin/bfin.md (movstrsi): Renamed to...
11167 (movstrsi): ...this.
11169 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11171 PR tree-optimization/26830
11173 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11174 (copy_prop_visit_stmt): Remove write-only variable ann.
11175 (init_copy_prop): Check variable loop depth here. Do not simulate
11176 memory-tag and virtual operand PHIs except for store copy prop.
11178 2006-03-30 Richard Guenther <rguenther@suse.de>
11180 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11181 variants with double arguments.
11183 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11185 * genpreds.c (write_tm_constrs_h): Delete variable p.
11186 * genconditions.c (write_header): Add tm-constrs.h to included
11188 * genpeep.c (main): Add toplev.h to included headers.
11189 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11190 (build/genpeep.o): Add toplev.h dependency.
11191 * config/rs6000/constraints.md: Add "W" constraint.
11193 2006-03-29 Roger Sayle <roger@eyesopen.com>
11195 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11196 sizes by correctly testing whether the size fits a host integer.
11197 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11198 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11199 SImode range for the default sizetype and bitsizetype.
11201 2006-03-29 Roger Sayle <roger@eyesopen.com>
11203 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11204 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11205 quickly if the argument is already of the correct type.
11206 Call fold_build1 instead of build1. Tidy up blank lines.
11208 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11210 * genemit.c (main): Add tm-constrs.h to included headers.
11211 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11212 * genpeep.c (main): Add tm-constrs.h to included headers.
11213 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11214 (write_tm_constrs_h): this and write complete file.
11215 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11216 (write_insn_preds_c): Add tm-constrs.h to included headers.
11217 (gen_constrs): New variable.
11218 (parse_option): Parse "-c".
11219 (main): Invoke write_tm_constrs_h.
11220 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11221 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11222 (object_out_file): Add tm-constrs.h dependency.
11223 (insn-emit.o): Same.
11224 (insn-output.o): Same.
11225 (insn-peep.o): Same.
11226 (insn-preds.o): Same.
11227 (insn-recog.o): Same.
11228 (tm-constsr.h): New target.
11229 (s-constrs-h): New target.
11231 * config/rs6000/constraints.md: New file.
11232 * config/rs6000/rs6000.c: Include tm-constrs.h.
11233 (num_insn_constant_wide): Convert to satisfies_constraint.
11234 (rs6000_rtx_costs): Convert to satisfies_constraint.
11235 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11236 (CONST_OK_FOR_LETTER_P): Delete.
11237 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11238 (EXTRA_CONSTRAINT): Delete.
11239 (EXTRA_MEMORY_CONSTRAINT): Delete.
11240 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11241 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11242 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11243 satisfies_constraint.
11245 * config/i386/i386.c: Include tm-constrs.h.
11247 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11249 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11250 * tree-data-ref.c (find_data_references_in_loop,
11251 compute_data_dependences_for_loop): Use pointers to VEC.
11252 (analyze_all_data_dependences): Adjust calls.
11253 * tree-data-ref.h (find_data_references_in_loop,
11254 compute_data_dependences_for_loop): Adjust declarations.
11255 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11256 compute_data_dependences_for_loop.
11258 2006-03-29 Paul Brook <paul@codesourcery.com>
11260 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11261 (movdf_vfp): Ditto.
11263 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11265 PR tree-optimization/26859
11266 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11268 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11269 for the step after fold_convert.
11271 2006-03-29 Paul Brook <paul@codesourcery.com>
11273 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11274 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11276 2006-03-29 Paul Brook <paul@codesourcery.com>
11278 PR middle-end/23623
11279 * targhooks.c (default_narrow_bitfield): New fuction.
11280 * targhooks.h (default_narrow_bitfield): add prototype.
11281 * target.h (gcc_target): Add narrow_volatile_bitfield.
11282 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11283 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11284 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11285 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11287 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11289 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11291 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11292 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11293 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11294 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11295 (s390_function_arg_float): Allow SDmode and DDmode values to be
11296 passed in floating point registers.
11297 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11298 check with SCALAR_FLOAT_MODE_P.
11299 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11301 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11303 PR tree-optimization/25985
11304 * tree-ssa-loop-niter.c (number_of_iterations_le,
11305 number_of_iterations_ne): Make comments more precise.
11306 (number_of_iterations_cond): Add only_exit argument. Use the
11307 fact that signed variables do not overflow only when only_exit
11309 (loop_only_exit_p): New.
11310 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11311 number_of_iterations_cond.
11313 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11315 PR tree-optimization/26643
11316 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11319 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11321 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11322 (divsi3_i4_int): Likewise.
11324 2006-03-28 Roger Sayle <roger@eyesopen.com>
11326 * expr.c (emit_group_store): Only create a new pseudo reg if the
11327 quantity it needs to hold isn't already a suitable pseudo.
11329 2006-03-28 Jeff Law <law@redhat.com>
11331 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11332 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11334 2006-03-28 Roger Sayle <roger@eyesopen.com>
11336 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11337 the equivalent ~X & Y, and the symmetry related transformations.
11338 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11339 ~X & Y, and symmetry related transforms.
11341 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11343 Revert my 2006-03-27 patches.
11345 2006-03-28 Roger Sayle <roger@eyesopen.com>
11347 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11348 ~(T1)X, when T1 and T2 are integer types of the same precision
11349 and (T2)X isn't an extension.
11351 2006-03-28 Jeff Law <law@redhat.com>
11353 PR tree-optimization/26796
11354 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11355 need EH edge cleanups rather than purging them immediately.
11356 (eliminate_degenerate_phis): Handle queued EH cleanups.
11358 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11360 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11363 2006-03-27 Roger Sayle <roger@eyesopen.com>
11365 PR middle-end/22524
11366 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11367 cast BIT_NOT_EXPR operand to the correct type.
11369 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11371 * tree-loop-linear.c: Don't include varray.h.
11372 (gather_interchange_stats, try_interchange_loops,
11373 linear_transform_loops): Use VEC instead of VARRAY.
11374 * lambda-mat.c: Don't include varray.h.
11375 * tree-chrec.c: Same.
11376 * lambda-trans.c: Same.
11377 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11378 VEC instead of VARRAY.
11379 * tree-vectorizer.h: Idem.
11380 * tree-data-ref.c (dump_data_references,
11381 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11382 initialize_data_dependence_relation, finalize_ddr_dependent,
11383 compute_all_dependences, find_data_references_in_loop,
11384 compute_data_dependences_for_loop, analyze_all_data_dependences,
11385 free_dependence_relation, free_dependence_relations,
11386 free_data_refs): Idem.
11387 * tree-data-ref.h (data_reference_p, subscript_p): New.
11388 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11389 VEC instead of VARRAY.
11390 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11391 (find_data_references_in_loop, compute_data_dependences_for_loop,
11392 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11393 dump_data_dependence_relations, free_dependence_relations,
11394 free_data_refs): Adjust declaration.
11395 (lambda_transform_legal_p): Move declaration here...
11396 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11397 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11398 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11399 vect_analyze_data_refs): Use VEC instead of VARRAY.
11400 * lambda.h (lambda_transform_legal_p): ...from here.
11401 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11402 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11403 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11404 tree-chrec.o): Don't depend on VARRAY_H.
11406 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11408 * rtl.def (Copyright): Update date.
11409 (DEPS_LIST): Change type of the second operand to 'int'.
11410 * target.h (Copyright): Update date.
11411 (struct gcc_target.speculate_insn): Change type of the second parameter
11413 * lists.c (Copyright): Update date.
11414 (alloc_DEPS_LIST): Change signature. Update reference to the second
11415 operand of the DEPS_LIST.
11416 (copy_DEPS_LIST_list): Update reference to the second operand of the
11418 * rtl.h (Copyright): Update date.
11419 (alloc_DEPS_LIST): Update signature.
11420 * sched-int.h (Copyright): Update date.
11421 (ds_t): Change typedef to 'int'.
11422 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11424 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11426 * haifa-sched.c (Copyright): Update date.
11427 (try_ready): Change condition to restore non-speculative pattern
11428 of the instruction.
11429 (process_insn_depend_be_in_spec): Code to keep probability of the
11430 speculative dependence non-decreasing.
11432 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11434 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11435 shut up the compiler.
11437 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11439 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11440 to use lib prefix for target.
11441 ($(T)libic_invalidate_array_4-200.a): Likewise.
11442 ($(T)libic_invalidate_array_4a.a): Likewise.
11444 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11445 J"orn Rennecke <joern.rennecke@st.com>
11447 * superh.opt: New file.
11448 * sh.c (boardtype, osruntime): Remove.
11449 * superh.h (SUBTARGET_OPTIONS): Remove.
11450 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11452 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11453 arguments with ^ and/or [].
11455 * config.gcc (sh-*-*): Add quoting to account for quirk of
11457 Replace == with = in enable_incomplete_targets test.
11459 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11460 with MASK_LITTLE_ENDIAN.
11462 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11463 * config/sh/sh.opt: Added to some comments.
11464 * config/sh/superh.h: Removed some chaff.
11466 * config/sh/sh.opt: Add m4-[1234]00* options.
11467 * config/sh/sh.c (sh_handle_option): Likewise.
11468 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11469 (ic_invalidate_array_4-100.o): New rule.
11470 ($(T)libic_invalidate_array_4-100.a): Likewise.
11471 (ic_invalidate_array_4-200.o): Likewise.
11472 ($(T)libic_invalidate_array_4-200.a): Likewise.
11473 (ic_invalidate_array_4a.o): Likewise.
11474 ($(T)libic_invalidate_array_4a.a): Likewise.
11475 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11476 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11478 * config/sh/crt1.asm: Merged in profiling code.
11479 * config/sh/superh.h (STARTFILE_SPEC): Override.
11480 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11481 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11482 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11484 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11485 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11486 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11488 * sh.opt (mpretend-cmove): New option.
11489 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11490 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11491 (movsicc): Add TARGET_PRETEND_CMOVE code.
11493 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11495 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11496 s390_class_max_nregs): New function prototypes.
11497 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11498 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11499 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11500 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11502 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11504 * dwarf2out.c (add_location_or_const_value_attribute): Call
11505 tree_add_const_value_attribute if nothing else works.
11506 (reference_to_unused): New.
11507 (rtl_for_decl_init): Use reference_to_unused to decide whether
11508 to output an initializer.
11510 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11513 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11514 peephole removing spe frob_di_df_2.
11516 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11518 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11519 (subscript_dependence_tester_1): Declared.
11520 (print_dir_vectors, print_dist_vectors): New.
11521 (debug_data_dependence_relation): New.
11522 (dump_data_dependence_relation): Print more details.
11523 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11524 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11525 (save_dist_v, save_dir_v, add_outer_distances,
11526 build_classic_dist_vector_1): New.
11527 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11528 Don't test for lambda_vector_lexico_pos.
11529 (same_access_functions, add_multivariate_self_dist,
11530 add_other_self_distances, dir_from_dist): New.
11531 (build_classic_dir_vector): Replace implementation almost identical to
11532 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11534 (subscript_dependence_tester_1): New.
11535 (subscript_dependence_tester): Handle the lexicographically negative
11536 distance vectors by recomputing the dependence relation.
11537 (compute_affine_dependence): Remove parameter loop_nest_depth.
11538 (compute_self_dependence): Don't call compute_subscript_distance.
11539 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11540 Add a parameter for the loop_nest.
11541 (find_loop_nest_1, find_loop_nest): New.
11542 (compute_data_dependences_for_loop): Compute the loop nest, and give
11543 up if the nest is not well formed.
11544 * tree-data-ref.h (loop_p): New.
11545 (struct data_dependence_relation): Replace size_vect field with
11546 loop_nest, a vec of loops.
11547 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11548 (DDR_LOOP_NEST): New.
11549 (print_dir_vectors, print_dist_vectors,
11550 debug_data_dependence_relation): Declared.
11551 (index_in_loop_nest): New.
11552 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11553 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11556 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11558 * simplify-rtx.c (simplify_relational_operation): Call
11559 simplify_relational_operation_1 even if mode is VOIDmode.
11561 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11563 PR tree-optimization/26804
11564 * tree.h (DECL_CALL_CLOBBERED): New macro.
11565 (tree_decl_common): Add call_clobbered_flag.
11566 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11567 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11568 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11569 (mark_non_addressable): Ditto.
11570 * tree-ssa.c (verify_call_clobbered): New function.
11571 (verify_alias_info): Use it.
11572 * tree-pass.h (pass_reset_cc_flags): New prototype.
11573 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11574 (reset_cc_flags): New function.
11575 * passes.c (init_optimization_passes): Call reset_cc_flags after
11576 initializing referenced_vars.
11578 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11579 Roger Sayle <roger@eyesopen.com>
11581 PR middle-end/26717
11582 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11583 to 1.0 for non-real operands. Implement A / A optimization for
11586 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11588 * config/i386/i386.c (size_cost): Correct the comment for
11589 cost of storing fp registers.
11590 (i386_cost): Likewise.
11591 (i486_cost): Likewise.
11592 (pentium_cost): Likewise.
11593 (pentiumpro_cost): Likewise.
11594 (k6_cost): Likewise.
11595 (athlon_cost): Likewise.
11596 (k8_cost): Likewise.
11597 (pentium4_cost): Likewise.
11598 (nocona_cost): Likewise.
11599 (generic64_cost): Likewise.
11600 (generic32_cost): Likewise.
11602 2006-03-24 Denis Chertykov <denisc@overta.ru>
11604 * config/avr/avr-protos.h (extra_constraint): Delete.
11605 (extra_constraint_Q): New declaration.
11606 * config/avr/constraints.md: New file.
11607 * config/avr/avr.md: Include it.
11608 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11609 (TMP_REGNO, ZERO_REGNO): Likewise.
11610 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11611 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11612 (extra_constraint): Delete.
11613 (extra_constraint_Q): Test for memory constraint 'Q'.
11614 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11615 (REG_CLASS_FROM_LETTER): Delete.
11616 (CONST_OK_FOR_LETTER_P): Delete.
11617 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11618 (EXTRA_CONSTRAINT): Delete.
11619 (TMP_REGNO): Delete.
11620 (ZERO_REGNO): Delete.
11622 2006-03-24 Jeff Law <law@redhat.com>
11624 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11625 directly. Call mark_new_vars_to_rename slightly earlier.
11627 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11629 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11630 (is_cxx): Likewise.
11631 (gen_compile_unit_die): Use new language types for Objective-C and
11633 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11634 DW_LANG_C_plus_plus.
11637 * config/t-darwin (crt3.o): Work around bug 26840.
11638 * config/darwin-crt3.c: Rewrite.
11639 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11641 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11643 * doc/invoke.texi: Document -femit-class-debug-always
11644 * common.opt: Add -femit-class-debug-always.
11646 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11648 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11649 index and base register.
11650 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11651 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11652 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11653 REGNO_OK_FOR_INDEX_P.
11654 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11656 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11657 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11658 REG_OK_FOR_BASE_P): Definitions removed.
11660 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11662 PR middle-end/26611
11663 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11664 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11665 set yet or weren't marked as local yet.
11667 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11669 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11672 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11674 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11675 (rs6000_legitimate_small_data_p): Delete.
11676 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11677 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11678 and make static. Add forward declaration. Update uses.
11679 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11680 of offsettable_memref_p.
11681 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11682 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11684 2006-03-24 Jeff Law <law@redhat.com>
11686 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11687 around bug in immediate-use iterator.
11689 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11692 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11693 or __LITTLE_ENDIAN__.
11695 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11697 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11698 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11699 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11700 * config/sh/sh.opt (mdiv=): Amend description.
11701 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11702 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11703 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11704 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11705 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11706 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11707 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11708 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11709 TARGET_DIVIDE_CALL_FP.
11711 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11713 * haifa-sched.c (choose_ready): Fix type of the local variable.
11714 Move local variables. Add comment.
11715 (check_reg_live): Change signature. Make callable from debugger.
11716 * sched-int.h (check_reg_live): Update signature.
11717 * sched-ebb.c (check_reg_live): Update parameters.
11718 * sched-rgn.c (check_reg_live): Ditto.
11719 (region_head_or_leaf_p): Check pointer before dereferencing.
11720 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11721 before reload on optimization levels below 1.
11723 2006-03-23 Richard Henderson <rth@redhat.com>
11725 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11729 * config/alpha/predicates.md (local_symbolic_operand): Reject
11732 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11735 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11736 expressions which have overflowed constants.
11738 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11740 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11742 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11744 * cfgloopmanip.c (create_loop_notes): Removed.
11745 * final.c (final_scan_insn): Do not handle loop notes.
11746 * jump.c (squeeze_notes): Ditto.
11747 * cfglayout.c (skip_insns_after_block,
11748 duplicate_insn_chain): Ditto.
11749 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11751 * cfgloop.h (create_loop_notes): Declaration removed.
11753 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11755 * varasm.c (output_constant_pool): Restore fnname and fndecl
11757 (assemble_start_function): Adjust call accordingly.
11758 (assemble_end_function): Likewise.
11760 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11763 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11766 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11768 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11771 * system.h (ICE_EXIT_CODE): New macro.
11772 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11773 (diagnostic_action_after_output): Likewise.
11774 * gcc.c (fatal_ice): New function.
11775 (execute): Use it instead of fatal.
11776 (fancy_abort): Likewise.
11777 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11779 2006-03-22 Jeff Law <law@redhat.com>
11781 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11782 iv_analyze_result returning false.
11784 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11786 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11788 2006-03-22 Richard Henderson <rth@redhat.com>
11790 PR middle-end/26084
11791 * except.c (duplicate_eh_regions_0): New.
11792 (duplicate_eh_region_1): Duplicate the children of the node as
11793 well as the node itself. Link them up properly.
11794 (duplicate_eh_region_2): Merge into ...
11795 (duplicate_eh_regions): ... here. Take copy_region argument, and
11796 copy only a sub-tree if asked. Simplify copying and fixup.
11797 (eh_region_outer_p): New.
11798 * except.h (duplicate_eh_regions): Update decl.
11799 (eh_region_outer_p): Declare.
11800 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11801 (lower_omp_master): Likewise.
11802 (lower_omp_ordered): Likewise.
11803 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11804 (move_stmt_r): Use it to remap labels. Handle recursion vs
11805 remap_decls_p properly.
11806 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11807 (find_outermost_region_in_block): New.
11808 (new_label_mapper): New.
11809 (move_sese_region_to_fn): Copy eh information to the new function
11811 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11813 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11816 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11818 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11819 into shared libraries.
11821 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11823 * doc/md.texi: Refer to i386/constraints.md instead of
11824 i386/predicates.md.
11825 * config/i386/constraints.md: New file, extracted from...
11826 * config/i386/predicates.md: ...here.
11827 * config/i386/i386.md: Include constraints.md.
11829 2006-03-21 Jason Merrill <jason@redhat.com>
11831 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11833 PR middle-end/20297
11834 * expr.c (init_block_move_fn): Force default visibility.
11835 (init_block_clear_fn): Likewise.
11836 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11837 * targhooks.c (default_external_stack_protect_fail): Likewise.
11839 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11841 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11842 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11843 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11844 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11845 (loadgp): Use mips_current_loadgp_style.
11846 (loadgp_noshared): New pattern.
11847 (sibcall_internal): Use MIPS_CALL.
11848 (sibcall_value_internal): Likewise.
11849 (sibcall_value_multiple_internal): Likewise.
11850 (call_internal): Likewise.
11851 (call_value_internal): Likewise.
11852 (call_value_multiple_internal): Likewise.
11853 (call_split): Use MIPS_CALL and add an 'S' constraint.
11854 (call_value_split): Likewise.
11855 (call_value_multiple_split): Likewise.
11856 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11857 (-mshared): New option.
11858 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11859 (mips_current_loadgp_style): Declare.
11860 * config/mips/mips.c (mips_classify_symbol): Avoid using
11861 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11862 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11863 TARGET_ABSOLUTE_ABICALLS.
11864 (override_options): Adjust comments. Improve the warning that is
11865 issued when -mabicalls and -G are used together.
11866 (mips_file_start): Remove comment.
11867 (mips_current_loadgp_style): New function.
11868 (mips_gnu_local_gp): New variable.
11869 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11871 (mips_output_function_prologue): Use mips_current_laodgp_style.
11872 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11873 the cprestore instruction.
11874 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11875 live for TARGET_ABSOLUTE_ABICALLS.
11876 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11877 (ASM_SPEC): Pass down -mshared and -mno-shared.
11878 (MIPS_CALL): New macro.
11879 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11881 * doc/invoke.texi (-mabicalls): Update documentation.
11882 (-mshared): Document.
11884 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11886 * config/ia64/unwind-hpux.c: New file.
11887 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11889 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11892 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11894 2006-03-21 Jeff Law <law@redhat.com>
11896 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11897 type conversions of a VR_VARYING source to a wider type.
11899 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11901 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11902 tm_file on Solaris 10 and later.
11903 (sparc64-*-solaris2*): Likewise.
11904 (sparc-*-solaris2*): Likewise.
11905 * config/sol26.h: Rename to config/sol2-6.h.
11906 * config/sol2-10.h: New file.
11908 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11911 * tree-ssa-pre.c (create_component_ref_by_pieces):
11914 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11917 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11918 return it immediately.
11920 2006-03-21 Michael Matz <matz@suse.de>
11922 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11924 (remove_arc, add_arc): Update num_out_arcs member.
11925 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11927 (cache_presence): New function.
11928 (compare_states_for_equiv): New function.
11929 (state_is_differed): Don't take number of outargs, adjust callers.
11930 Use new invariant for speeding up.
11931 (init_equiv_class): Create initial classes based on sorted
11933 (partition_equiv_class): Don't track out_arcs_num.
11934 (evaluate_equiv_classes): Call cache_presence on all states and
11937 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11939 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11940 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11941 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11942 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11944 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11945 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11946 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11947 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11948 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11950 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11951 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11952 (REGNO_REG_CLASS): ARGP is in PREGS.
11953 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11955 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11956 to deal with those addresses.
11957 * addresses.h: New file.
11958 * caller-save.c: Include "addresses.h".
11959 (init_caller_save): Use new base_reg_class function.
11960 * rtl-factoring.c: Include "addresses.h".
11961 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11962 * recog.c: Include "addresses.h".
11963 (preprocess_constraints): Use new base_reg_class function.
11964 * regrename.c: Include "addresses.h".
11965 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11966 functions. Keep track of a new var INDEX_CODE to compute valid
11968 (replace_oldest_value_addr): Likewise.
11969 (replace_oldest_value_mem): Use base_reg_class.
11970 * reload.c: Include "addresses.h".
11971 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11972 (find_reloads): Use new base_reg_class function.
11973 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11974 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11975 all callers and prototype changed.
11976 * reload1.c: Include "addresses.h".
11977 (maybe_fix_stack_asms): Use base_reg_class.
11978 * regclass.c: Include "addresses.h".
11979 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11980 (init_reg_autoinc): Use new base_reg_class function.
11981 (record_reg_classes): Likewise.
11982 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11983 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11984 Use new args to compute necessary class.
11986 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
11987 regrename.o, rtl-factoring.o): Update dependencies.
11988 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
11989 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
11990 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
11991 REG_OK_FOR_INDEX_P): Delete documentation.
11993 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
11995 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
11996 from V7 to V9 for Solaris 7 and above.
11998 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12000 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12001 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12002 argument pointers may not alias any other storage.
12003 * common.opt: Define option -fargument-noalias-anything.
12004 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12005 alias semantics is specified by flag_argument_noalias > 2.
12007 2006-03-20 Jeff Law <law@redhat.com>
12009 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12010 (pass_phi_only_cprop): Declare.
12011 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12012 with phi_only_cprop
12013 * tree-ssa-dom.c (degenerate_phi_result): New function.
12014 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12015 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12016 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12017 (eliminate_degenerate_phis): Likewise.
12018 (pass_phi_only_cprop): New pass descriptor.
12019 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12020 support code. Callers updated.
12021 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12022 (store_copy_prop): Likewise.
12023 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12025 2006-03-20 Jason Merrill <jason@redhat.com>
12028 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12029 (push_visibility, pop_visibility): Likewise.
12030 * c-pragma.h: Declare them.
12032 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12034 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12036 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12037 parameter and use get_ebb_head_tail.
12038 (sh_md_init_global): Adjust uses of find_regmode_weight.
12040 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12042 * function.h (struct function) <x_tail_recursion_reentry>:
12043 Rename to x_stack_check_probe_note.
12044 (tail_recursion_reentry): Rename to stack_check_probe_note.
12045 * function.c: Replace tail_recursion_reentry with
12046 stack_check_probe_note everywhere.
12047 (expand_function_start): Only emit a note for
12048 stack_check_probe_note with -fstack-protect.
12049 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12051 * emit-rtl.c (remove_unnecessary_notes): Remove.
12052 (pass_remove_unnecessary_notes): Remove.
12053 * rtl.h (remove_unnecessary_notes): Remove prototype.
12054 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12055 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12056 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12058 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12061 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12062 (valid_in_set): Handle ARRAY_REF.
12063 Change "if min_variant or VH" to asserts.
12064 (create_component_ref_by_pieces): Handle ARRAY_REF.
12065 (create_expression_by_pieces): Likewise.
12066 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12068 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12070 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12071 is operand of switch, not str[0].
12073 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12075 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12076 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12078 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12080 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12081 end of insn_extra_address_constraint declaration.
12083 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12085 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12086 (no-sum-in-toc): Same.
12087 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12089 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12090 NO_FP_IN_TOC for -fPIC instead of mask.
12092 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12093 (BOOT_LDFLAGS): Delete.
12095 * config/rs6000/t-aix52: Same.
12097 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12098 (stmsi[345678]_power): New.
12100 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12102 * config/ia64/ia64.opt: Add empty line to end of file.
12104 2006-03-17 Richard Guenther <rguenther@suse.de>
12106 PR middle-end/26721
12107 * builtins.c (get_pointer_alignment): For component style references
12108 adjust alignment to the component type alignment. Make sure
12109 to adjust alignment for component access of constants.
12111 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12113 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12114 unconditional jump.
12116 2006-03-17 Paul Brook <paul@codesourcery.com>
12118 * doc/install.texi: Docuemnt --with-mode.
12119 * config.gcc: Add --with-mode for arm*-*-*.
12120 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12122 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12124 * sh.c (max_labelno_before_reorg): New variable.
12125 (sh_reorg): Initialize it.
12126 (find_barrier): Check max_labelno_before_reorg before using
12127 label_to_alignment. Take length of explicit alignment insns
12128 into account. When seeing a UNSPECV_CONST_END, return it.
12130 * sh.c (fixup_mova): Set mode of affected label to QImode.
12131 (untangle_mova): New function.
12132 (find_barrier): Use it. Check mode of label before decrementing
12134 (sh_reorg): Likewise.
12135 Set mode of all insns back to VOIDmode.
12137 * sh.c (MOVA_LABELREF): New macro.
12138 (mova_p, fixup_mova, sh_reorg): Use it.
12139 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12140 ADDR_DIFF_VEC matches mova.
12142 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12144 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12145 with ATTRIBUTE_UNUSED.
12147 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12149 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12150 pointer, instead of assuming it is possible to derive the
12151 correct args size from a call insn.
12153 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12155 * rtl.h (CONST_INT_P): Define.
12156 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12157 instead of GET_CODE(x) == CONST_INT.
12158 (vax_rtx_costs): Likewise.
12159 (vax_output_int_move): Likewise.
12160 (vax_output_int_add): Likewise.
12161 (legitimate_constant_address_p): Likewise.
12162 (index_term_p): Likewise.
12163 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12164 * config/vax/vax.md (and<mode>3): Likewise.
12165 (ashrsi3): Likewise.
12167 (movstricthi): Likewise.
12168 (movstrictqi): Likewise.
12169 (rotrsi3): Likewise.
12170 (five unnamed insns): Likewise.
12172 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12174 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12175 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12176 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12177 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12178 Pass to ASM_OUTPUT_DWARF_OFFSET.
12179 * dwarf2out.c (debug_frame_section): New.
12180 (output_call_frame_info): Use debug_frame_section. Pass it to
12181 dw2_asm_output_offset.
12182 (output_die): Pass appropriate section to dw2_asm_output_offset.
12183 (output_compilation_unit_header): Likewise.
12184 (output_pubnames): Likewise.
12185 (output_aranges): Likewise.
12186 (enum dw_val_class): Break dw_val_class_lbl_offset into
12187 dw_val_class_lineptr and dw_val_class_macptr.
12188 (add_AT_lbl_offset): Delete.
12189 (add_AT_lineptr): New.
12190 (add_AT_macptr): New.
12191 (AT_lbl): Expect a lineptr or macptr.
12192 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12193 (attr_checksum): Likewise.
12194 (same_dw_val_p): Likewise.
12195 (size_of_die): Likewise.
12196 (value_format): Likewise.
12197 (output_die): Likewise.
12198 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12200 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12201 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12202 * config/darwin-protos.h (darwin_file_start): New.
12203 (darwin_asm_output_dwarf_offset): New.
12204 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12205 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12207 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12208 if not EH section; simplify.
12209 (darwin_file_start): New.
12210 (darwin_asm_output_dwarf_offset): New.
12211 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12213 (DEBUG_INFO_SECTION): Likewise.
12214 (DEBUG_ABBREV_SECTION): Likewise.
12215 (DEBUG_ARANGES_SECTION): Likewise.
12216 (DEBUG_MACINFO_SECTION): Likewise.
12217 (DEBUG_LINE_SECTION): Likewise.
12218 (DEBUG_LOC_SECTION): Likewise.
12219 (DEBUG_PUBNAMES_SECTION): Likewise.
12220 (DEBUG_STR_SECTION): Likewise.
12221 (DEBUG_RANGES_SECTION): Likewise.
12222 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12223 (ASM_OUTPUT_DWARF_OFFSET): New.
12225 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12227 * config.gcc (tm_defines): Always add to previous value rather
12230 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12232 * config/mips/predicates.md (splittable_const_int_operand): New,
12233 split from move_operand.
12234 (splittable_symbolic_operand): New.
12235 (move_operand): Add commentary. Use splittable_const_int_operand.
12236 Inline mips_atomic_symbolic_constant_p.
12237 * config/mips/mips.md: Add combine splitters for handling moves
12238 of splittable_const_int_operands and splittable_symbolic_operands.
12239 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12240 (mips_split_symbol): Declare.
12241 (mips_move_integer): Declare.
12242 * config/mips/mips.c (mips_split_p): Make global.
12243 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12244 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12245 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12246 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12247 (mips_offset_within_object_p): Handle block symbols.
12248 (mips_atomic_symbolic_constant_p): Delete.
12249 (mips_cannot_force_const_mem): Return false for constants that
12250 mips_legitimize_move can handle.
12251 (mips_use_blocks_for_constant_p): New function.
12252 (mips_split_symbol): Make global.
12253 (mips_move_integer): Likewise. Add a temporary register argument.
12254 (mips_legitimize_const_move): Use splittable_const_int_operand and
12255 splittable_symbolic_operand.
12256 (mips_use_anchors_for_symbol_p): New function.
12257 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12258 (mips_split_p): Declare.
12260 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12262 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12263 (mips*-*-linux*): Likewise.
12265 2006-03-16 Roger Sayle <roger@eyesopen.com>
12266 Daniel Speyer <dspeyer@wam.umd.edu>
12268 PR middle-end/18259
12269 * tree-dump.c (dump_real): New function.
12270 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12271 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12272 (tree-dump.o): Add $(REAL_H) to the dependencies.
12274 2006-03-16 Roger Sayle <roger@eyesopen.com>
12276 PR middle-end/21781
12277 * real.c (real_from_string): If the mantissa is zero, don't bother
12278 parsing the exponent as the result should always be zero.
12280 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12282 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12284 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12286 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12287 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12288 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12289 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12290 ia64_sched_finish_global): New static functions to implement
12291 hooks from gcc_target.sched.
12292 (spec_check_no, max_uid, pending_data_specs): New static variables.
12293 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12294 ia64_spec_check_src_p): New static functions.
12295 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12296 (TARGET_SCHED_ADJUST_COST): Removed.
12297 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12298 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12299 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12300 TARGET_SCHED_GEN_CHECK,
12301 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12302 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12303 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12304 Fixed to handle speculation checks.
12305 (rtx_needs_barrier): Fixed to handle speculative loads and
12307 (ia64_variable_issue): Added code to count speculative loads and their
12309 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12311 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12313 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12315 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12316 (ia64_reorg): Reset stops_p to NULL after it is freed.
12317 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12318 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12319 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12321 (data_speculative, control_speculative, check_load): New attributes.
12322 (mov<mode>_advanced, mov<mode>_speculative,
12323 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12324 zero_extend<mode>di2_speculative,
12325 zero_extend<mode>di2_speculative_advanced): New patterns for
12326 data and control speculative loads.
12327 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12329 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12330 New pattern for data and control speculation checks.
12331 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12332 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12333 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12334 Auxiliary definitions for the patterns.
12335 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12336 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12338 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12340 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12341 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12342 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12343 New resource constraints.
12344 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12346 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12347 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12348 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12349 msched-in-control-spec, msched-ldc, msched-control-ldc,
12350 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12351 msched-prefer-non-control-spec-insns,
12352 msched-count-spec-in-critical-path): New flags to tune speculative
12354 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12355 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12356 msched-in-control-spec, msched-ldc, msched-control-ldc,
12357 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12358 msched-prefer-non-control-spec-insns,
12359 msched-count-spec-in-critical-path): Document new flags.
12361 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12363 * target.h (struct spec_info_def): New opaque declaration.
12364 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12365 speculate_insn, needs_block_p, gen_check,
12366 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12367 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12368 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12369 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12370 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12371 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12373 (TARGET_SCHED): Use new macros.
12374 * rtl.h (copy_DEPS_LIST_list): New prototype.
12375 * sched-int.h (struct sched_info): Change signature of new_ready field,
12376 adjust all initializations. New fields: add_remove_insn,
12377 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12378 region_head_or_leaf_p.
12379 (struct spec_info_def): New structure declaration.
12380 (spec_info_t): New typedef.
12381 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12382 recovery_block, orig_pat.
12383 (glat_start, glat_end): New variables declaraions.
12384 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12386 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12387 DETACH_LIFE_INFO, USE_GLAT.
12388 (enum SPEC_SCHED_FLAGS): New enumeration.
12389 (NOTE_NOTE_BB_P): New macro.
12390 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12391 attach_life_info, debug_spec_status, check_reg_live): New functions.
12392 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12393 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12395 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12396 * ddg.c (get_block_head_tail): Adjust all uses.
12397 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12398 (sms_sched_info): Initialize new fields.
12399 (contributes_to_priority): Removed.
12400 * haifa-sched.c (params.h): New include.
12401 (get_block_head_tail): Adjust all uses.
12402 (ISSUE_POINTS): New macro.
12403 (glat_start, glat_end): New global variables.
12404 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12405 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12406 old_last_basic_block, before_recovery, current_sched_info_var,
12407 rgn_n_insns, luid): New static variables.
12408 (insn_cost1): New function. Move logic from insn_cost to here.
12409 (find_insn_reg_weight1): New function. Move logic from
12410 find_insn_reg_weight to here.
12411 (reemit_notes, move_insn, max_issue): Change signature.
12412 (move_insn1): Removed.
12413 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12414 extend_bb): New static functions to support extension of scheduler's
12416 (generate_recovery_code, process_insn_depend_be_in_spec,
12417 begin_speculative_block, add_to_speculative_block,
12418 init_before_recovery, create_recovery_block, create_check_block_twin,
12419 fix_recovery_deps): New static functions to support
12420 generation of recovery code.
12421 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12422 restore_bb_notes, move_block_after_check, move_succs): New static
12423 functions to support ebb scheduling.
12424 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12425 functions to support handling of register live information.
12426 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12427 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12428 add_jump_dependencies): New static functions.
12429 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12430 consistancy checking.
12431 (debug_spec_status): New function to call from debugger.
12432 (priority): Added code to handle speculation checks.
12433 (rank_for_schedule): Added code to distinguish speculative instructions.
12434 (schedule_insn): Added code to handle speculation checks.
12435 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12436 Fixed to handle ebbs.
12437 (move_insn): Added code to handle ebb scheduling.
12438 (max_issue): Added code to use ISSUE_POINTS of instructions.
12439 (choose_ready): Added code to choose between speculative and
12440 non-speculative instructions.
12441 (schedule_block): Added code to handle ebb scheduling and scheduling of
12442 speculative instructions.
12443 (sched_init): Initialize new variables.
12444 (sched_finish): Free new variables. Print statistics.
12445 (try_ready): Added code to handle speculative instructions.
12446 * lists.c (copy_DEPS_LIST_list): New function.
12447 * sched-deps.c (extend_dependency_caches): New function. Move logic
12448 from create_dependency_caches to here.
12449 (get_dep_weak, ds_merge): Make global.
12450 * genattr.c (main): Code to output prototype for
12451 dfa_clear_single_insn_cache.
12452 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12453 (output_dfa_clean_insn_cache_func): Code to output
12454 dfa_clear_single_insn_cache function.
12455 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12457 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12459 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12460 New static variables.
12461 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12462 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12464 (ebb_sched_info): Initialize new fields.
12465 (get_block_head_tail): Adjust all uses.
12466 (compute_jump_reg_dependencies): Fixed to use glat_start.
12467 (schedule_ebb): Code to remove unreachable last block.
12468 (schedule_ebbs): Added code to update register live information.
12469 * sched-rgn.c (region_sched_info): Initialize new fields.
12470 (get_block_head_tail): Adjust all uses.
12471 (last_was_jump): Removed. Adjust users.
12472 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12473 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12474 Implement new hooks.
12475 (check_dead_notes1): New static function.
12476 (struct region): New fields: dont_calc_deps, has_real_ebb.
12477 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12478 (BB_TO_BLOCK): Fixed to handle EBBs.
12479 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12480 (ebb_head): New static variable.
12481 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12482 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12484 (compute_dom_prob_ps): New assertion.
12485 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12486 global_live_at_start.
12487 (init_ready_list): New assertions.
12488 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12489 (new_ready): Add support for BEGIN_CONTROL speculation.
12490 (schedule_insns): Fixed code that updates register live information
12492 (schedule_region): Fixed to handle EBBs.
12493 (init_regions): Use extend_regions and check_dead_notes1.
12494 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12495 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12496 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12497 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12498 TARGET_SCHED_GEN_CHECK,
12499 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12500 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12501 * doc/invoke.texi (max-sched-insn-conflict-delay,
12502 sched-spec-prob-cutoff): Document.
12504 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12506 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12507 inter_tick, queue_index.
12508 (struct sched_info): Change signature of init_ready_list field.
12509 Adjust all initializations.
12510 (RESOLVED_DEPS): New access macro.
12511 (ready_add): Remove prototype.
12512 (try_ready): Add prototype.
12513 * sched-rgn.c (init_ready_list): Use try_ready.
12514 (schedule_region): Initialize
12515 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12516 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12517 (init_ready_list): Use try_ready.
12518 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12519 * lists.c (remove_list_elem): Remove `static'.
12520 (remove_free_INSN_LIST_elem): New function.
12521 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12522 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12523 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12525 (readyp): New variable.
12526 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12527 change_queue_index, resolve_dep): New static functions.
12528 (try_ready): New function. Adjust callers in sched-rgn.c and
12529 sched-ebb.c to use it instead of ready_add.
12530 (clock_var): Move at the begining of file.
12531 (rank_for_schedule): Fix typo.
12532 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12533 (ready_lastpos): Enforce assertion.
12534 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12535 update all callers.
12536 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12537 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12538 (queue_to_ready): Use free_INSN_LIST_list.
12539 (early_queue_to_ready): Fix typo.
12540 (schedule_block): Init readyp. Move init_ready_list call after the
12541 initialization of clock_var. Fix error in rejecting insn by
12542 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12543 that previously corrected INSN_TICKs. Add code for handling
12545 (set_priorities): Fix typo.
12546 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12547 Clarify comment and code that keeps current_sched_info->next_tail
12550 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12552 * sched-rgn.c (extend_rgns): New static function.
12553 (find_rgns): Use it.
12554 (gather_region_statistics, print_region_statistics): New static
12556 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12557 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12559 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12560 Andrey Belevantsev <abel@ispras.ru>
12562 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12563 * lists.c (unused_deps_list): New variable.
12564 (free_list): Add assertions to verify the proper distinguishing
12565 between INSN_LISTs and DEPS_LISTs.
12566 (find_list_elem, remove_list_elem, remove_list_node): New static
12568 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12569 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12570 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12571 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12573 (free_INSN_LIST_node): Likewise.
12574 * modulo-sched.c (current_sched_info): Initialize flags field.
12575 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12576 * rtl.def (DEPS_LIST): Define.
12577 * rtl.h: Declare new functions from lists.c.
12578 * sched-deps.c (spec_dependency_cache): New static variable.
12579 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12580 (add_dependence): Change return type to void. Move the logic to ...
12581 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12582 (delete_all_dependences): Add comment about forward_dependency_cache.
12583 Handle spec_dependency_cache. Handle DEPS_LISTs.
12584 (fixup_sched_groups): Clarify the change of priority of output
12585 and anti dependencies.
12586 (sched_analyze_2): Adjust add_dependence calls to create data
12587 speculative dependence.
12588 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12589 Adjust all callers. Handle DEPS_LISTS.
12590 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12591 presence of speculation.
12592 (init_dependency_caches, free_dependency_caches):
12593 Handle spec_dependency_cache.
12594 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12595 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12596 New static functions.
12597 (add_or_update_back_dep, add_or_update_back_forw_dep,
12598 add_back_forw_dep, delete_back_forw_dep): New functions.
12599 * sched-int.h (ds_t, dw_t): New typedefs.
12600 (struct sched_info): Add new field flags.
12601 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12602 Prototype new sched-deps.c functions.
12603 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12604 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12605 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12606 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12607 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12608 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12610 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12612 * sched-rgn.c (current_sched_info): Initialize flags field.
12613 (schedule_insns): Initialize current_sched_info before the sched_init
12615 * sched-ebb.c (current_sched_info): Initialize flags field.
12616 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12617 Call add_or_update_back_dep instead of add_dependence.
12618 Create control speculative dependencies.
12619 (schedule_insns): Initialize current_sched_info before the sched_init
12622 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12624 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12626 (sh_fallback_frame_state): Likewise.
12628 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12630 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12631 Do switch on default_use_cxa_atexit.
12632 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12633 * config/darwin-crt3.o: New.
12634 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12635 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12636 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12638 * config/rs6000/t-darwin: Move crt2.o building to here.
12639 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12640 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12643 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12645 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12646 from '! xxx' to '!xxx' for coding-style conformance.
12647 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12648 (EXTRA_CONSTRAINT): Likewise.
12649 * config/vax/vax.md (four unnamed insns): Likewise.
12651 2006-03-15 Paul Brook <paul@codesourcery.com>
12653 * config/arm/arm.c (minipool_pad): New.
12654 (add_minipool_forward_ref): Include pool alignment padding in address
12656 (push_minipool_fix): Set minipool_pad.
12657 (minipool_pad): Ditto.
12659 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12661 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12662 instead of GET_CODE() == MEM and REG_P() instead of
12664 (print_operand_address): Likewise.
12665 (vax_address_cost): Likewise.
12666 (vax_rtx_costs): Likewise.
12667 (vax_notice_update_cc): Likewise.
12668 (vax_output_int_add): Likewise.
12669 (INDEX_REGISTER_P): Likewise.
12670 (BASE_REGISTER_P): Likewise.
12671 (nonindexed_address_p): Likewise.
12672 (vax_mode_dependent_address_p): Likewise.
12673 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12674 (PRINT_OPERAND): Likewise.
12675 * config/vax/vax.md (ashlsi3): Likewise.
12676 (ashlsi3): Likewise.
12677 (some more unnamed insns): Likewise.
12679 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12681 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12682 iterator-style macro.
12683 (mark_control_dependent_edges_necessary): Update the use of
12684 EXECUTE_IF_CONTROL_DEPENDENT.
12686 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12688 * config/sh/predicates.md (cache_address_operand): Special.
12689 (ua_address_operand): Likewise.
12691 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12693 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12695 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12697 2006-03-15 Andreas Schwab <schwab@suse.de>
12699 * gensupport.c (identify_predicable_attribute): Don't free p_false
12700 when it is still in use.
12702 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12704 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12705 the default setting here.
12707 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12709 * tree-pass.h (pass_cfg): Remove.
12710 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12711 * passes.c (pass_cfg): Don't run it.
12713 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12715 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12716 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12718 (stack_regs_mentioned): Update the uses of
12719 stack_regs_mentioned_data. Don't access the array beyond its
12721 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12722 Don't include gt-reg-stack.h.
12724 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12725 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12727 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12729 PR middle-end/26684
12730 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12733 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12735 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12737 2006-03-14 Richard Guenther <rguenther@suse.de>
12739 PR tree-optimization/26672
12740 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12743 2006-03-14 Richard Guenther <rguenther@suse.de>
12745 PR tree-optimization/26667
12746 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12747 node for the callees. Always allow inlining if it will shrink
12750 2006-03-14 Richard Guenther <rguenther@suse.de>
12752 PR middle-end/26659
12753 * builtins.c (get_pointer_alignment): Prefer alignment
12754 information from decls over that from types.
12756 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12759 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12761 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12763 * config/rs6000/rs6000.opt (mdlmzb): New option.
12764 (msched-prolog, msched-epilog): Use Var not Mask.
12765 * doc/invoke.texi (-mdlmzb): Document.
12766 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12768 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12769 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12771 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12773 PR rtl-optimization/25739
12774 * bt-load.c (augment_live_range): Free tos pointer.
12776 * gensupport.c (identify_predicable_attribute): Free
12778 * gcov.c (create_file_names): Free name pointer.
12780 2006-03-13 Roger Sayle <roger@eyesopen.com>
12782 PR middle-end/26557
12783 * stmt.c (emit_case_nodes): Handle the case where the index is a
12784 CONST_INT, where the comparison mode is specified by the index type.
12786 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12788 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12791 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12793 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12794 (*branch_fp_inverted): Likewise.
12796 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12798 PR middle-end/25989
12799 * omp-low.c (expand_omp_for_generic): Mark istart0
12800 and iend0 as addressable.
12802 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12804 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12806 2006-03-13 Jeff Law <law@redhat.com>
12808 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12809 virtual operands are interesting.
12810 (vrp_visit_stmt): Corresponding changes.
12812 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12814 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12816 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12817 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12818 * config/bfin/crti.S: Use it instead of __PIC__.
12819 * config/bfin/crtn.S: Likewise.
12821 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12822 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12824 Lose 'G' modifier for call operand.
12825 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12826 recognize 'G' modifier.
12828 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12830 PR middle-end/18859
12831 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12832 * stmt.c (expand_case): Likewise.
12834 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12836 PR rtl-optimization/26254
12837 * loop-invariant.c (seq_insns_valid_p): New function.
12838 (move_invariant_reg): Only emit new code if it is valid.
12840 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12842 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12844 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12845 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12846 (commit_one_edge_insertion): Do not look for loop notes.
12848 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12850 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12851 flag_test_coverage out of loop.
12853 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12855 * final.c (shorten_branches): Remove outdated comment, and turn
12856 the if branch that guards it to continue.
12858 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12860 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12861 * cfgloop.h (struct loop): Remove unused fields.
12863 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12865 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12866 (-dL, -fdump-rtl-loop2): Update the dump file names
12868 * doc/invoke.texi: Update dump file names.
12870 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12872 * predict.c (estimate_probability): Remove.
12873 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12874 * basic-block.h (estimate_probability): Remove prototype.
12875 * passes.c (finish_optimization_passes): Dump branch prediction or
12876 profiling heuristics to the .profile tree dump.
12877 (init_optimization_passes): Unqueue pass_branch_prob.
12879 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12881 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12883 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12884 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12886 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12888 * function.h (frame_offset_overflow): Declare.
12889 * function.c (frame_offset_overflow): New function.
12890 (assign_stack_local_1): Call it to detect that the offset overflows.
12891 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12893 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12895 * config/sh/sh.c: Include alloc-pool.h.
12896 (label_ref_list_pool): New alloc pool.
12897 (label_ref_list_t): New type for lists of labels.
12898 (struct pool_node): Make wend a label_ref_list_t.
12899 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12901 (dump_table): Likewise.
12902 (sh_reorg): Set up the alloc pool before using add_constant and
12903 dump_table, and destroy it when finishing.
12905 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12907 * config/mips/mips.c: Remove redundant comment.
12909 2006-03-10 Jason Merrill <jason@redhat.com>
12912 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12913 the target was declared 'register'.
12915 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12917 * genpreds.c (write_insn_constraint_len): Change definition of
12918 insn_constraint_len to return size_t to match the declaration.
12920 2006-03-10 DJ Delorie <dj@redhat.com>
12922 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12924 (m32c_expand_insv): Fix test for an AND mask.
12926 2006-03-10 Richard Guenther <rguenther@suse.de>
12928 PR middle-end/26565
12929 * builtins.c (get_pointer_alignment): Handle component
12930 references for field alignment.
12932 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12934 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12935 when building with libgloss.
12936 (sh*elf): Implement --without-fp option.
12937 (sh64-superh-linux*): Don't multilib.
12939 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12941 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12943 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12945 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12946 Set it when one of the replacement functions returned true.
12947 Return TODO_cleanup_cfg if cfgchanged is true.
12948 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12950 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12952 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12953 instead of gen_lowpart.
12955 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12957 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12959 (mips_output_order_conditional_branch): Declare.
12960 * config/mips/mips.h (MIPS_BRANCH): New macro.
12961 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12962 for the comparison. Use gen_condjump.
12963 (mips_output_conditional_branch): Rework interface to take the
12964 asm templates for a direct branch and the inverse of a direct branch.
12965 (mips_output_order_conditional_branch): New function.
12966 (mips_builtin_branch_and_move): New function.
12967 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12968 branch condition. Use gen_single_cc as the condition for
12969 __builtin_mips_upper_* or __builtin_mips_lower_*.
12970 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12971 Use VOIDmode for the branch condition.
12972 * config/mips/predicates.md (order_operator): New predicate.
12973 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12974 (branch_fp): Rename to...
12975 (*branch_fp): ...this. Remove mode from comparison operator.
12976 Use new mips_output_conditional_branch interface.
12977 (branch_fp_inverted): Rename to...
12978 (*branch_fp_inverted): ...this and update as for *branch_fp.
12979 (*branch_zero<mode>): Rename to...
12980 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12981 Use mips_output_order_conditional_branch. Only accept ordered
12983 (*branch_zero<mode>_inverted): Rename to...
12984 (*branch_order<mode>_inverted): ...this and update as for
12985 *branch_order<mode>.
12986 (*branch_equality<mode>): Accept zero as the second operand to
12987 the equality operator. Use the new mips_output_conditional_branch
12989 (*branch_equality<mode>_inverted): Likewise.
12990 (condjump): New expander.
12991 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
12993 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
12994 (bc1any2t, bc1any2f): Likewise.
12995 (single_cc): New expander.
12996 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
12998 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13000 * doc/md.texi: Update documentation of MIPS constraints.
13001 * config/mips/constraints.md: New file.
13002 * config/mips/mips.md: Include it.
13003 * config/mips/mips.c (mips_char_to_class): Delete.
13004 (override_options): Don't initialize mips_char_to_class.
13005 * config/mips/mips.h (mips_char_to_class): Delete.
13006 (REG_CLASS_FROM_LETTER): Delete.
13007 (CONST_OK_FOR_LETTER_P): Delete.
13008 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13009 (EXTRA_CONSTRAINT_Y): Delete.
13010 (EXTRA_CONSTRAINT_STR): Delete.
13011 (CONSTRAINT_LEN): Delete.
13012 (EXTRA_MEMORY_CONSTRAINT): Delete.
13014 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13016 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13017 original fn's eh regions.
13019 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13021 * fold-const.c (build_range_check): Make sure to use a valid type to
13022 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13025 (range_predecessor): New static function.
13026 (range_successor): Likewise.
13027 (merge_ranges): Use them to compute predecessors and successors of
13030 2006-03-09 Roger Sayle <roger@eyesopen.com>
13032 PR middle-end/26561
13033 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13034 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13036 2006-03-08 DJ Delorie <dj@redhat.com>
13038 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13039 (addpsi3): Expand to include memory operands. Remove
13040 reload-specific splits.
13041 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13042 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13043 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13044 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13045 (shift1_qi, shift1_hi, insv): New.
13046 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13047 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13048 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13050 * config/m32c/m32c-protos.h: Update as needed.
13051 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13052 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13053 Fail for unrecognized R* constraints.
13054 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13055 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13056 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13058 (m32c_init_libfuncs): New.
13059 (m32c_legitimate_address_p): Add debug wrapper.
13060 (m32c_rtx_costs): New.
13061 (m32c_address_cost): New.
13062 (conversions): Add 'B' prefix.
13063 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13064 operands, or word regnames for QI operands. 'B' prints bit
13066 (m32c_expand_setmemhi): New.
13067 (m32c_expand_movmemhi): New.
13068 (m32c_expand_movstr): New.
13069 (m32c_expand_cmpstr): New.
13070 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13071 (m32c_expand_neg_mulpsi3): Handle non-ints.
13072 (m32c_cmp_flg_0): New.
13073 (m32c_expand_movcc): New.
13074 (m32c_expand_insv): New.
13075 (m32c_scc_pattern): New.
13076 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13077 a0/a1 out of SIregs.
13078 (STORE_FLAG_VALUE): New.
13079 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13082 * config/m32c/mov.md: Make constraints more liberal.
13083 (zero_extendqihi2): Optimize r0/r1 case.
13084 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13085 * config/m32c/predicates.md (m32c_any_operand): New.
13086 (m32c_nonimmediate_operand): New.
13087 (m32c_hl_operand): New.
13088 (m32c_r3_operand): New.
13091 (memsym_operand): New.
13092 (memimmed_operand): New.
13093 (a_qi_operand): New.
13094 (m32c_eqne_operator): New.
13095 (m32c_1bit8_operand): New.
13096 (m32c_1bit16_operand): New.
13097 (m32c_1mask8_operand): New.
13098 (m32c_1mask16_operand): New.
13099 * config/m32c/blkmov.md: New file.
13100 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13102 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13104 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13105 unsigned to fix signed/unsigned comparison issue in
13106 DWARF2_FRAME_REG_OUT.
13107 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13108 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13110 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13111 of ptr into the ENABLE_CHECKING section.
13113 2006-03-08 Jeff Law <law@redhat.com>
13115 * tree-vrp.c (infer_value_range): Only count pointer uses
13116 and dereferences if -fdelete-null-pointer-checks is enabled.
13118 * tree-vrp.c (find_assert_locations): Infer value ranges for
13119 single use pointers, but do not create ASSERT_EXPRs for them.
13120 When a non-null range is inferred for a pointer, backwards
13121 propagate that range to other equivalent pointers through the
13124 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13127 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13128 language hook targets.
13129 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13130 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13131 if language hook targets were missing.
13133 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13135 * tree-ssa-opfinalize.h: Removed.
13136 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13138 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13139 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13140 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13141 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13142 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13143 finalize_ssa_v_must_def_ops): New.
13145 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13147 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13148 block as parameter.
13150 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13152 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13154 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13155 addresses with offsets; reorganize.
13157 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13158 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13159 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13161 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13164 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13166 2006-03-08 Ben Elliston <bje@au.ibm.com>
13168 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13170 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13173 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13176 2006-03-07 Richard Guenther <rguenther@suse.de>
13178 PR tree-optimization/26587
13179 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13181 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13183 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13185 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13187 * hooks.c (hook_bool_mode_rtx_true): New function.
13188 * hooks.h (hook_bool_mode_rtx_true): Declare.
13189 * toplev.c (compile_file): Call output_shared_constant_pool.
13190 * varasm.c (shared_constant_pool): New variable.
13191 (assemble_start_function, assemble_end_function): Remove arguments
13192 from call to output_constant_pool.
13193 (create_constant_pool): New function, split out from...
13194 (init_varasm_status): ...here.
13195 (force_const_mem): Choose between the shared and per-function constant
13196 pools. Set current_function_uses_const_pool when reusing old entries
13197 as well as when creating new ones.
13198 (mark_constant): Ignore data argument.
13199 (mark_constants): Remove pool argument.
13200 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13201 to decide whether the function uses a constant pool.
13202 (output_constant_pool_contents): New function, split out from...
13203 (output_constant_pool): ...here.
13204 (output_shared_constant_pool): New function.
13205 (init_varasm_once): Initialize shared_constant_pool.
13206 * output.h (output_constant_pool): Delete.
13207 (output_shared_constant_pool): Declare.
13208 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13209 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13211 2006-03-06 Nick Clifton <nickc@redhat.com>
13213 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13214 flag_strength_reduce.
13216 2006-03-06 Ben Elliston <bje@au.ibm.com>
13218 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13219 x86_64-*-linux* configurations.
13221 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13222 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13224 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13226 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13228 * basic-block.h: Remove the extern for
13229 rediscover_loops_after_threading.
13231 * cfgloop.c (cancel_loop): Make it static.
13232 * cfgloop.h: Remove the prototype for cancel_loop.
13234 * flow.c (recompute_reg_usage): Make it static.
13235 * rtl.h: Remove the prototype for recompute_reg_usage.
13237 * function.c (use_return_register): Make it static.
13238 * function.h: Remove the prototype.
13240 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13242 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13244 * recog.h: Remove the prototype for
13245 validate_change_maybe_volatile.
13247 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13249 * rtlanal.c (replace_reg): Remove.
13250 * rtl.h: Remove the prototype for replace_reg.
13252 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13254 * regclass.c (reg_scan_update): Remove.
13255 (reg_scan_mark_refs): Remove the last argument.
13256 * rtl.h: Remove the prototype for reg_scan_update.
13258 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13260 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13261 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13262 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13263 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13264 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13265 loop-invariant.c, omp-low.c, opts.c, passes.c,
13266 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13267 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13268 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13269 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13270 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13271 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13273 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13275 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13276 * dwarf2out.h: Remove the prototype for
13277 dwarf2out_add_library_unit_info.
13279 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13281 * tree.c (add_var_to_bind_expr): Remove.
13282 * tree.h: Remove the prototype for add_var_to_bind_expr.
13284 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13286 * regclass.c (n_non_fixed_regs): Remove.
13287 (init_reg_sets_1, globalize_reg): Remove all uses of
13289 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13291 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13293 * rtlanal.c (insns_safe_to_move_p): Remove.
13294 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13296 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13298 * expmed.c (expand_mult_add): Remove.
13299 * expr.h: Remove the prototype for expand_mult_add.
13301 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13303 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13304 and REG_SAVED_VAL_EXP constants.
13305 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13306 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13307 Handle regs stored by value.
13308 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13309 (execute_cfa_program): Handle DW_CFA_val_offset,
13310 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13311 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13312 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13313 (uw_install_context_1): Handle target regs stored by value.
13315 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13317 * tree-sra.c (tree_sra): Return todoflags;
13318 (generate_one_element): Set TODO_update_smt_usage if needed.
13319 (pass_sra): Remove TODO_update_smt_usage.
13320 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13322 (tree_ssa_forward_propagate_single_use_vars): Return
13323 TODO_update_smt_usage if we need to update SMT usage.
13324 (pass_forwprop): Remove TODO_update_smt_usage.
13326 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13328 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13329 (correct_use_link): Remove reference to get_stmt_operands.
13330 (update_stmt_operands): Likewise.
13331 (get_modify_expr_operands): New function factored out of
13332 parse_ssa_operands and get_expr_operands.
13333 Try to create V_MUST_DEFs for LHS by default.
13334 (get_expr_operands) <case MODIFY_EXPR>: Call
13335 get_modify_expr_operands.
13336 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13337 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13338 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13339 get_modify_expr_operands.
13341 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13343 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13344 * tree-flow.h: Remove the prototype for
13345 referenced_var_lookup_if_exists.
13347 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13349 PR rtl-optimization/26345
13351 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13353 2006-03-03 Roger Sayle <roger@eyesopen.com>
13355 PR tree-optimization/26524
13356 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13357 fold_convert to create a constant of the appropriate type.
13359 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13361 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13362 SYMBOL_REF_IN_BLOCK_P.
13363 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13364 of SYMBOL_FLAG_IN_BLOCK.
13365 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13366 instead of SYMBOL_REF_IN_BLOCK_P.
13367 * explow.c (use_anchored_address): Likewise.
13368 * rtl.c (rtx_size): Likewise.
13369 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13370 instead of SYMBOL_FLAG_IN_BLOCK.
13371 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13372 SYMBOL_REF_IN_BLOCK_P.
13373 (assemble_variable): Likewise.
13374 (output_constant_def_contents): Likewise.
13375 (output_constant_pool): Likewise.
13376 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13377 instead of SYMBOL_FLAG_IN_BLOCK.
13378 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13379 SYMBOL_REF_IN_BLOCK_P.
13380 (SYMBOL_REF_BLOCK): Likewise.
13381 (SYMBOL_REF_OFFSET): Likewise.
13382 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13383 SYMBOL_REF_IN_BLOCK_P.
13384 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13385 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13386 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13387 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13389 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13391 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13393 2006-03-02 Roger Sayle <roger@eyesopen.com>
13395 * simplify-rtx.c (simplify_unary_operation): When simplifying
13396 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13397 that we perform the right shift in the appropriate mode, and
13398 then extend or truncate the result to requested mode.
13400 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13402 * gengtype.c (main): Handle double_int type.
13403 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13404 * double-int.c: New file.
13405 * double-int.h: New file.
13406 * system.h: Include doubleint.h.
13407 * Makefile.in (SYSTEM_H): Include double-int.h.
13408 (double-int.o): Add.
13410 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13413 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13416 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13418 * tree-vrp.c (remove_range_assertions): Do not update statements
13421 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13423 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13425 * gcse.c (rest_of_handle_gcse): Ditto.
13426 * except.c (gate_handle_eh): Ditto.
13427 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13428 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13430 2006-03-02 Eric Christopher <echristo@apple.com>
13432 * config/i386/i386.c (machopic_output_stub): Add indirection to
13435 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13439 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13441 Sun Niagara specific optimizations.
13442 * config.gcc: Recognize niagara as target.
13443 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13444 (TARGET_CPU_niagara): Define.
13445 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13446 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13447 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13448 (ASM_CPU_SPEC): Likewise.
13449 (PROCESSOR_NIAGARA): New enum entry.
13450 (REGISTER_MOVE_COST): Handle Niagara.
13451 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13452 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13453 (sparc_override_options): Recognize "niagara", set appropriate
13454 default MASK_* values for it, and align functions to 32-bytes
13455 by default just like ULTRASPARC/ULTRASPARC3.
13456 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13457 (sparc64_initialize_trampoline): Likewise.
13458 (sparc_use_sched_lookahead): Use zero for niagara.
13459 (sparc_issue_rate): Use one for niagara.
13460 * config/sparc/niagara.md: New file.
13461 * config/sparc/sparc.md: Include it.
13462 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13463 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13464 when default cpu is niagara.
13465 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13466 (ASM_CPU_SPEC): Likewise.
13467 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13468 when default cpu is niagara.
13469 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13470 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13471 just like v9/ultrasparc/ultrasparc3.
13472 * doc/invoke.texi: Add documentation for "niagara" and improve
13473 existing documentation for ultrasparc variants.
13475 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13477 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13479 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13481 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13482 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13483 and say that only one is needed.
13484 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13485 * target.h (have_switchable_bss_sections): New hook.
13486 * explow.c (use_anchored_address): Check that the symbol is in a block.
13487 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13488 (bss_noswitch_section): New variables.
13489 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13490 (get_noswitch_section): New function.
13491 (get_block_for_section): Allow SECT to be null.
13492 (unlikely_text_section_p): Use SECTION_STYLE.
13493 (bss_initializer_p): New function.
13494 (get_variable_section): Move earlier in file. Take a new argument,
13495 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13496 Return one of the new *_sections in such cases.
13497 (get_block_for_decl): New function, extracting some logic from
13498 use_blocks_for_decl_p.
13499 (change_symbol_section): Remove in favor of...
13500 (change_symbol_block): ...this new function.
13501 (use_blocks_for_decl_p): Remove checks now performed by
13502 get_block_for_decl.
13503 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13504 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13505 (emit_local, emit_bss, emit_common): ...these new functions.
13506 Return true if the alignment was honored.
13507 (emit_tls_common): New function.
13508 (asm_emit_uninitialised): Delete.
13509 (assemble_variable_noswitch): New function, split out from...
13510 (assemble_variable): ...here. Don't make decisions about common
13511 variables here. Globalize all public decls that go into non-common
13512 sections. Check whether SYMBOL_REF_BLOCK is null.
13513 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13514 (output_constant_pool): Likewise.
13515 (init_varasm_once): Initialize the new section variables.
13516 (have_global_bss_p): New function.
13517 (categorize_decl_for_section): Use bss_initializer_p.
13518 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13519 (place_block_symbol): Assert that the symbol must be in a block.
13520 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13521 (TARGET_INITIALIZER): Include it.
13522 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13523 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13524 (SECTION_MACH_DEP): Bump by two.
13525 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13526 (unnamed_section): Mention SECTION_UNNAMED in comment.
13527 (named_section): Likewise SECTION_NAMED.
13528 (noswitch_section_callback): New type.
13529 (noswitch_section): New structure.
13530 (section): Add a noswitch_section alternative.
13531 (SECTION_STYLE): New macro.
13532 (tls_comm_section, comm_section, lcomm_section): Declare.
13533 (bss_noswitch_section, have_global_bss_p): Declare.
13534 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13535 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13537 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13538 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13541 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13543 * tree-vrp.c (execute_vrp): Return value.
13544 * regrename.c (rest_of_handle_regrename): Ditto.
13545 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13546 * tree-complex.c (tree_lower_complex): Ditto.
13547 (tree_lower_complex_O0): Ditto.
13548 * tracer.c (rest_of_handle_tracer): Ditto.
13549 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13550 * postreload.c (rest_of_handle_postreload): Ditto.
13551 * tree-tailcall.c (execute_tail_recursion): Ditto.
13552 (execute_tail_calls): Ditto.
13553 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13554 * tree.h (init_function_for_compilation): Ditto.
13555 * ipa-cp.c (ipcp_driver): Ditto.
13556 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13557 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13558 * final.c (compute_alignments): Ditto.
13559 (rest_of_handle_final): Ditto.
13560 (rest_of_handle_shorten_branches): Ditto.
13561 (rest_of_clean_state): Ditto.
13562 * omp-low.c (execute_expand_omp): Ditto.
13563 (execute_lower_omp): Ditto.
13564 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13565 * ipa-reference.c (static_execute): Ditto.
13566 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13567 * reorg.c (rest_of_handle_delay_slots): Ditto.
13568 (rest_of_handle_machine_reorg): Ditto.
13569 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13570 * flow.c (recompute_reg_usage): Ditto.
13571 (rest_of_handle_remove_death_notes): Ditto.
13572 (rest_of_handle_life): Ditto.
13573 (rest_of_handle_flow2): Ditto.
13574 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13575 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13576 (do_ssa_store_ccp): Ditto.
13577 (execute_fold_all_builtins): Ditto.
13578 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13579 * modulo-sched.c (rest_of_handle_sms): Ditto.
13580 * ipa-pure-const.c (static_execute): Ditto.
13581 * cse.c (rest_of_handle_cse): Ditto.
13582 (rest_of_handle_cse2): Ditto.
13583 * web.c (rest_of_handle_web): Ditto.
13584 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13585 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13586 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13587 * tree-nrv.c (tree_nrv): Ditto.
13588 (execute_return_slot_opt): Ditto.
13589 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13590 (create_structure_vars): Ditto.
13591 * loop-init.c (rtl_loop_init): Ditto.
13592 (rtl_loop_done): Ditto.
13593 (rtl_move_loop_invariants): Ditto.
13594 (rtl_unswitch): Ditto.
13595 (rtl_unroll_and_peel_loops): Ditto.
13596 (rtl_doloop): Ditto.
13597 * gimple-low.c (lower_function_body): Ditto.
13598 (mark_used_blocks): Ditto.
13599 * tree-ssa-sink.c (execute_sink_code): Ditto.
13600 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13601 (cgraph_early_inlining): Ditto.
13602 * global.c (rest_of_handle_global_alloc): Ditto.
13603 * jump.c (cleanup_barriers): Ditto.
13604 (purge_line_number_notes): Ditto.
13605 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13606 (rest_of_handle_if_after_reload): Ditto.
13607 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13608 (tree_ssa_loop_im): Ditto.
13609 (tree_ssa_loop_unswitch): Ditto.
13610 (tree_vectorize): Ditto.
13611 (tree_linear_transform): Ditto.
13612 (tree_ssa_loop_ivcanon): Ditto.
13613 (tree_ssa_empty_loop): Ditto.
13614 (tree_ssa_loop_bounds): Ditto.
13615 (tree_complete_unroll): Ditto.
13616 (tree_ssa_loop_prefetch): Ditto.
13617 (tree_ssa_loop_ivopts): Ditto.
13618 (tree_ssa_loop_done): Ditto.
13619 * predict.c (tree_estimate_probability): Ditto.
13620 * recog.c (split_all_insns_noflow): Ditto.
13621 (rest_of_handle_peephole2): Ditto.
13622 (rest_of_handle_split_all_insns): Ditto.
13623 * tree-eh.c (lower_eh_constructs): Ditto.
13624 * regmove.c (rest_of_handle_regmove): Ditto.
13625 (rest_of_handle_stack_adjustments): Ditto.
13626 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13627 * function.c (instantiate_virtual_regs): Ditto.
13628 (init_function_for_compilation): Ditto.
13629 (rest_of_handle_check_leaf_regs): Ditto.
13630 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13631 (rest_of_handle_gcse): Ditto.
13632 * ipa-type-escape.c (type_escape_execute): Ditto.
13633 * alias.c (rest_of_handle_cfg): Ditto.
13634 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13635 * profile.c (rest_of_handle_branch_prob): Ditto.
13636 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13637 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13638 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13639 * tree-dfa.c (find_referenced_vars): Ditto.
13640 * except.c (set_nothrow_function_flags): Ditto.
13641 (convert_to_eh_region_ranges): Ditto.
13642 (rest_of_handle_eh): Ditto.
13643 * emit-rtl.c (unshare_all_rtl): Ditto.
13644 (remove_unnecessary_notes): Ditto.
13645 * except.h (set_nothrow_function_flags): Ditto.
13646 (convert_to_eh_region_ranges): Ditto.
13647 * cfgexpand.c (tree_expand_cfg): Ditto.
13648 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13649 * tree-ssa-pre.c (do_pre): Ditto.
13650 (execute_fre): Ditto.
13651 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13652 (rest_of_handle_jump2): Ditto.
13653 * tree-sra.c (tree_sra): Ditto.
13654 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13655 (execute_mudflap_function_decls): Ditto.
13656 * tree-ssa-copy.c (do_copy_prop): Ditto.
13657 (do_store_copy_prop): Ditto.
13658 * ipa-prop.h (ipcp_driver): Ditto.
13659 * cfglayout.c (insn_locators_initialize): Ditto.
13660 * tree-ssa-forwprop.c
13661 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13662 * cfglayout.h (insn_locators_initialize): Ditto.
13663 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13664 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13665 (execute_late_warn_uninitialized): Ditto.
13666 * rtl.h (cleanup_barriers): Ditto.
13667 (split_all_insns_noflow): Ditto.
13668 (purge_line_number_notes): Ditto.
13669 (unshare_all_rtl): Ditto.
13670 (remove_unnecessary_notes): Ditto.
13671 (recompute_reg_usage): Ditto.
13672 (variable_tracking_main): Ditto.
13673 * integrate.c (emit_initial_value_sets): Ditto.
13674 * integrate.h (emit_initial_value_sets): Ditto.
13675 * tree-optimize.c (execute_free_datastructures): Ditto
13676 (execute_free_cfg_annotations): Ditto.
13677 (execute_fixup_cfg): Ditto.
13678 (execute_cleanup_cfg_pre_ipa): Ditto.
13679 (execute_cleanup_cfg_post_optimizing): Ditto.
13680 (execute_init_datastructures): Ditto.
13681 * tree-object-size.c (compute_object_sizes): Ditto.
13682 * combine.c (rest_of_handle_combine): Ditto.
13683 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13684 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13685 (rest_of_handle_reorder_blocks): Ditto.
13686 (rest_of_handle_partition_blocks): Ditto.
13687 * var-tracking.c (variable_tracking_main): Ditto.
13688 * tree-profile.c (tree_profiling): Ditto.
13689 * tree-vect-generic.c (expand_vector_operations): Ditto.
13690 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13691 * sched-rgn.c (rest_of_handle_sched): Ditto.
13692 (rest_of_handle_sched2): Ditto.
13693 * basic-block.h (free_bb_insn): Ditto.
13694 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13695 * tree-cfg.c (execute_build_cfg): Ditto.
13696 (remove_useless_stmts): Ditto.
13697 (split_critical_edges): Ditto.
13698 (execute_warn_function_return): Ditto.
13699 (execute_warn_function_noreturn): Ditto.
13700 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13701 * cfgrtl.c (free_bb_for_insn): Ditto.
13702 * passes.c (execute_one_pass): Run additional
13703 todos returned by execute function.
13704 * tree-pass.h (struct tree_opt_pass): Make execute
13707 2006-03-02 Richard Guenther <rguenther@suse.de>
13709 * tree-ssa-alias.c (find_used_portions): Consider taking
13710 the address as making the variable not write-only.
13712 2006-03-02 Nick Clifton <nickc@redhat.com>
13714 * config.gcc (default_use_cxa_atexit): Extend the description of
13715 this configure variable. Set its default value to "yes" for
13716 Linux, NetBSD and ELF targets on the assumption that they will
13717 use C libraries with the __cxa_atexit function.
13719 2006-03-02 Ben Elliston <bje@au.ibm.com>
13721 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13722 parameter as unused to suppress a build warning.
13724 2006-03-02 Ben Elliston <bje@au.ibm.com>
13726 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13729 2006-03-01 Roger Sayle <roger@eyesopen.com>
13732 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13733 declared name, the weak reference name, and the typeof name.
13734 (__gthrw): Avoid expanding the declared name suffix.
13735 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13737 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13739 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13741 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13742 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13743 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13744 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13745 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13746 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13747 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13748 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13749 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13750 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13751 (DW_END_default, DW_END_big, DW_END_little): New.
13752 (DW_END_lo_user, DW_END_hi_user): Define.
13753 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13754 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13755 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13758 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13760 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13762 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13764 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13766 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13768 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13769 to 'symbol_mem_tag'.
13771 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13774 2006-03-01 Roger Sayle <roger@eyesopen.com>
13776 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13778 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13781 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13782 MACHO_DYNAMIC_NO_PIC_P.
13783 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13785 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13788 * config/darwin-protos.h (darwin_asm_output_anchor):
13790 * config/darwin-sections.def (cstring_section):
13791 Add SECTION_MERGE to the flags.
13792 (literal4_section): Likewise.
13793 (literal8_section): Likewise.
13794 (objc_selector_refs_section): Likewise.
13795 (objc_cls_refs_section): Likewise.
13796 * config/darwin.c (darwin_asm_output_anchor): New
13798 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13800 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13802 Fix PR tree-optimization/26443
13803 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13804 to todo and PROP_tmt_usage to properties_destroyed.
13805 * tree-ssa-ccp.c (pass_ccp): Ditto.
13806 (pass_store_ccp): Ditto.
13807 * tree-ssa-dom.c (pass_dominator): Ditto.
13809 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13811 * tree-ssa-operands.c: Cleanup whitespace.
13812 (get_asm_expr_operands): Move before first invocation.
13813 (get_indirect_ref_operands): Likewise.
13814 (get_tmr_operands): Likewise.
13815 (get_call_expr_operands): Likewise.
13816 (append_def): Likewise.
13817 (append_use): Likewise.
13818 (append_v_may_def): Likewise.
13819 (append_v_must_def): Likewise.
13820 (add_call_clobber_ops): Likewise.
13821 (add_call_read_ops): Likewise.
13822 (add_stmt_operand): Likewise.
13823 (add_virtual_operand): Likewise.
13824 (build_ssa_operands): Likewise.
13826 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13828 PR middle-end/26022
13830 PR middle-end/24437
13831 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13832 with a call expr to ...
13833 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13835 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13837 * tree-vrp.c (extract_range_from_assert): Remove special
13838 handling for types with super-types.
13840 2006-03-01 Ben Elliston <bje@au.ibm.com>
13842 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13843 and powerpc64-*-linux* configurations.
13844 * config/t-dfprules: New file.
13846 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13847 Compile dfp-bit.c from the source directory using -DWIDTH and
13848 $DFP_CFLAGS to control the compilation of that file, rather than
13849 generating width-specific versions in the build directory.
13850 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13851 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13853 2006-02-28 Zack Weinberg <zackw@panix.com>
13855 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13858 2006-02-28 Eric Christopher <echristo@apple.com>
13860 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13861 Set up IN_LIBGCC definition of TARGET_64BIT.
13862 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13864 2006-02-28 Roger Sayle <roger@eyesopen.com>
13866 PR middle-end/14752
13867 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13868 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13869 cases via the construction of "expr != 0".
13871 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13873 * alias.c (alias_invariant, alias_invariant_size): Remove.
13874 (record_base_value): Remove.
13875 (memrefs_conflict_p): Don't look at alias_invariant.
13876 (end_alias_analysis): Don't free it.
13877 * alias.h (record_base_value): Remove prototype.
13879 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13880 Adam Nemet <anemet@caviumnetworks.com>
13882 * rtl.h (truncated_to_mode): Declare it.
13883 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13884 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13885 (RTL_HOOKS_INITIALIZER): Include it.
13886 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13887 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13888 reg_truncated_to_mode.
13889 * rtlanal.c (truncated_to_mode): Define it.
13890 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13892 2006-02-28 Jeff Law <law@redhat.com>
13894 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13895 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13896 the range allowed by TYPE_PRECISION.
13898 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13900 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13902 PR tree-optimization/26419
13903 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13906 2006-02-27 Zack Weinberg <zackw@panix.com>
13908 * doc/md.texi: Fix typo in previous change.
13910 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13914 2006-02-27 Zack Weinberg <zackw@panix.com>
13916 * rtl.def (define_constraint, define_register_constraint)
13917 (define_memory_constraint, define_address_constraint): New MD forms.
13918 * gensupport.c (process_rtx): Put define_constraint etc on the
13920 * genpreds.c (process_define_predicate): Adjust comment. Validate
13921 the name, and call validate_exp to validate the expression.
13922 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13923 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13924 all callers changed.
13925 (validate_exp, needs_variable, struct constraint_data)
13926 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13927 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13928 (const_dbl_constraints, constraint_max_namelen)
13929 (have_register_constraints, have_memory_constraints)
13930 (have_address_constraints, have_address_constraints)
13931 (have_extra_constraints, have_const_int_constraints)
13932 (have_const_dbl_constraints, mangle, add_constraint)
13933 (process_define_constraint, process_define_register_constraint)
13934 (write_enum_constraint_num, write_lookup_constraint)
13935 (write_insn_constraint_len, write_regclass_for_constraint)
13936 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13937 (write_insn_extra_memory_constraint)
13938 (write_insn_extra_address_constraint)
13939 (write_satisfies_constraint_fns): New.
13940 (write_tm_preds_h): If we have new-style constraint definitions,
13941 prototype the functions generated from them, and define the
13942 old constraint interface (still used by generic code) in terms of
13944 (write_insn_preds_c): If we have new-style constraint definitions,
13945 generate all relevant functions from those definitions.
13946 (main): Handle define_constraint etc.
13947 * genoutput.c (struct constraint_data, indep_constraints)
13948 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13949 (mdep_constraint_len): New data structures and functions, defined
13950 #ifdef USE_MD_CONSTRAINTS.
13951 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13952 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13953 use new logic to validate operand constraints against constraint
13955 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13957 * defaults.h: If none of the old-style constraint macros are
13958 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13959 old-style macros; and poison REG_CLASS_FROM_LETTER,
13960 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13962 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13963 * doc/md.texi: Document new constraint-definition mechanism and the
13964 C interface it provides. Remove references to old mechanism
13965 elsewhere in the document.
13966 (Machine Constraints): Use pathnames relative to gcc directory,
13967 i.e. config/ARCH/FILE. Change i386 section to refer to
13968 config/i386/predicates.md; update that section to match docstrings.
13969 * doc/tm.texi: Move all documentation of the old constraint-
13970 definition macros to their own section, clearly mark as obsolete.
13972 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13973 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13975 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13976 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13977 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13978 constraint strings.
13979 (splits and peepholes): Use satisfies_constraint_*.
13980 * config/i386/i386.c (memory_address_length)
13981 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13983 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
13985 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
13986 scalar operation to be put back into the loop.
13988 2006-02-27 Jakub Jelinek <jakub@redhat.com>
13991 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
13992 (extract_cie_info): Handle S flag in augmentation string.
13993 (execute_cfa_program): If context->signal_frame, execute also
13994 fs->pc == context->ra instructions.
13995 (uw_frame_state_for): If context->signal_frame, don't subtract one
13996 from context->ra to find FDE.
13997 (uw_update_context_1): Set context->signal_frame to
13999 (_Unwind_GetIPInfo): New function.
14000 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14001 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14003 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14004 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14005 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14006 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14007 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14008 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14009 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14010 x86_64_fallback_frame_state): Set fs->signal_frame.
14011 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14012 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14013 (frob_update_context): Likewise. Workaround missing S flag in
14014 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14015 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14016 Remove the psw_addr + 1 hack.
14018 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14020 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14021 with aggregates here.
14022 (find_func_aliases): Remove code for &<aggregate> from here.
14024 2006-02-26 Roger Sayle <roger@eyesopen.com>
14026 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14027 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14028 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14029 as (X & C) ne/eq 0.
14031 2006-02-26 Roger Sayle <roger@eyesopen.com>
14033 PR middle-end/19983
14034 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14036 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14038 * opts.c (decode_options): Do not handle flag_strength_reduce.
14039 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14040 and OPT_fstrength_reduce.
14041 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14042 flag_prefetch_loop_arrays for being nonzero.
14043 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14045 (fprefetch-loop-arrays-rtl): Removed.
14046 (flag_prefetch_loop_arrays): Do not specify the value.
14048 * doc/passes.texi: Update documentation of loop optimizer
14050 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14051 -frerun-loop-opt): Remove.
14053 2006-02-26 Richard Guenther <rguenther@suse.de>
14055 PR tree-optimization/26421
14056 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14057 in function calls that are ADDR_EXPRs as using the whole structure.
14059 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14061 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14062 * tree-pass.h (pass_loop_optimize): Remove.
14063 * passes.c (pass_loop_optimize): Never run it.
14064 * toplev.c (backend_init): Don't call init_loop.
14065 * opts.c (flag_loop_optimize_set): Remove.
14066 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14067 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14068 the old RTL loop optimizer when profiling enabled.
14069 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14070 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14071 pre-headers for the sake of the old RTL loop optimizer.
14072 * Makefile.in: Remove all references to loop.o.
14074 * doc/invoke.texi: Remove all references to -floop-optimize
14075 and -frerun-loop-opt.
14077 2006-02-26 Zack Weinberg <zackw@panix.com>
14079 * doc/md.texi (Machine Constraints): Refer to all files with paths
14080 relative to gcc directory (i.e. config/CPU/file). Add missing
14081 @table @code ... @end table to M32C subsection.
14083 2006-02-26 Roger Sayle <roger@eyesopen.com>
14085 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14087 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14089 2006-02-26 Roger Sayle <roger@eyesopen.com>
14090 James A. Morrison <phython@gcc.gnu.org>
14092 PR middle-end/21137
14093 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14094 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14095 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14096 signedness of the shift operation.
14098 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14100 PR tree-optimization/26359
14101 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14103 2006-02-25 Roger Sayle <roger@eyesopen.com>
14105 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14106 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14107 as X == 0, and some symmetry related transformations.
14108 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14110 2006-02-25 Roger Sayle <roger@eyesopen.com>
14112 PR middle-end/23673
14113 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14114 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14115 symmetry related transformations. Fold (X^C1) == C2 as
14118 2006-02-25 Juergen Weigert <jw@suse.de>
14119 Richard Guenther <rguenther@suse.de>
14121 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14123 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14125 * combine.c (gen_lowpart_or_truncate): Call
14126 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14128 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14130 * doc/invoke.texi: Move -fopenmp description to "Options for
14132 Remove reference to -lgomp.
14134 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14136 * doc/install.texi: Require GNU tar version 1.14.
14138 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14140 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14141 * doc/invoke.texi (C++ Dialect Options): Document
14142 -fno-use-cxa-get-exception-ptr.
14143 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14144 * configure: Regenerate.
14145 * c.opt (fuse-cxa-get-exception-ptr): New.
14146 * c-opts.c (c_common_handle_option): Handle
14147 OPT_fuse_cxa_get_exception_ptr.
14148 * c-common.c (flag_use_cxa_atexit): Update documentation.
14149 (flag_use_cxa_get_exception_ptr): New.
14150 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14151 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14153 (C_COMMON_OVERRIDE_OPTIONS): New.
14155 2006-02-24 Roger Sayle <roger@eyesopen.com>
14157 PR middle-end/24952
14158 * combine.c (try_combine): Explicitly check whether GET_CODE is
14159 a SET or a CLOBBER, instead on checking that it isn't a USE.
14161 2006-02-24 Roger Sayle <roger@eyesopen.com>
14163 * fold-const.c (fold_comparison): New subroutine of fold_binary
14164 containing transformations common to both the equality and
14165 ordering relational operators, factored out of fold_binary.
14166 (fold_binary): Separate out the equality operators (EQ_EXPR
14167 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14168 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14169 transformations common to both.
14170 (fold_div_compare): Fix latent bugs in the previously unreachable
14171 LT_EXPR and GE_EXPR cases.
14173 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14175 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14176 decl libname for clog to __clog on AIX.
14178 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14180 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14183 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14184 output traceback table for thunks. Localise rs6000_stack_info call.
14186 2006-02-23 Roger Sayle <roger@eyesopen.com>
14187 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14189 * gthr-posix.h (__gthrw): Fix typo in comment.
14191 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14193 * doc/cpp.texi (Character sets): Document that we do support
14194 input files to be in any character set.
14196 2006-02-23 Jeff Law <law@redhat.com>
14198 * tree.h (PHI_ARG_NONZERO): Remove.
14199 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14200 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14201 node to the new node.
14203 PR tree-optimization/26425
14204 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14205 min/max, then assume its varying.
14207 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14209 PR rtl-optimization/26316
14210 * rtlanal.c (enum may_trap_p_flags): New.
14211 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14212 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14213 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14214 (may_trap_after_code_motion_p): New function.
14215 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14216 (find_invariant_insn): Use may_trap_after_code_motion_p.
14217 * rtl.h (may_trap_after_code_motion_p): Declare.
14219 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14221 * emit-rtl.c (immed_double_const): Cleanup.
14223 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14225 Fix PR tree-optimization/26376
14226 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14229 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14231 PR middle-end/26412
14232 * gimplify.c (omp_add_variable): Guard variable size decl test with
14233 DECL_SIZE (decl) check.
14235 2006-02-23 Richard Guenther <rguenther@suse.de>
14237 PR middle-end/26439
14238 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14239 like aggregate types.
14241 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14243 * configure.ac: Add --with{,out}-long-double-128 configure option.
14244 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14245 * configure: Rebuilt.
14246 * config.in: Rebuilt.
14247 * doc/install.texi (Options specification): Document
14248 --with-long-double-128.
14250 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14251 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14252 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14253 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14255 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14257 * config/s390/s390.c (override_options): Handle
14258 TARGET_DEFAULT_LONG_DOUBLE_128.
14260 * config/alpha/alpha.c (override_options): Handle
14261 TARGET_DEFAULT_LONG_DOUBLE_128.
14263 * config/sparc/sparc.c (sparc_override_options): Handle
14264 TARGET_DEFAULT_LONG_DOUBLE_128.
14266 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14268 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14269 (real-install-headers-tar, real-install-headers-cpio)
14270 (real-install-headers-cp): New targets.
14272 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14274 * tree.h (variable_section): Delete.
14275 * varasm.c (variable_section): Delete.
14277 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14279 * install.texi: Add notes on install.texi2html.
14280 (Building in parallel): Do not use footnotes.
14282 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14285 * doc/install.texi (Configuration): Document --disable-libgomp.
14287 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14289 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14291 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14293 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14294 (vec_extractv2df_0_sse): New.
14296 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14298 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14299 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14300 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14301 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14302 to the result of the expression.
14303 (def_cfa_1): Adjust.
14304 (frame_pointer_cfa_offset): Rename to...
14305 (frame_pointer_fb_offset): ... this. Adjust all uses.
14306 (convert_cfa_to_loc_list): Rename to...
14307 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14308 Pass it on to build_cfa_loc.
14309 (compute_frame_pointer_to_cfa_displacement): Rename to...
14310 (compute_frame_pointer_to_fb_displacement): ... this. New
14311 offset parameter. Use it in computation.
14312 (gen_subprogram_die): Compute cfa_fb_offset with the new
14313 macro, and use it to compute the fb loc list and the
14316 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14318 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14319 replaced with register_operand.
14320 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14321 non-DREG is expensive.
14322 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14323 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14326 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14328 * doc/install.texi2html: Use set -e.
14330 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14332 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14333 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14334 * doc/invoke.texi (-fshared-data): Delete.
14335 * common.opt (fshared-data): Delete.
14336 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14337 (assemble_static_space): Remove #if 0 code.
14338 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14339 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14340 * config/cris/cris.h: Remove FIXME.
14342 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14344 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14347 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14349 PR middle-end/26379
14350 * combine.c (simplify_shift_const_1): Disable nested shifts
14351 optimization for vector shifts.
14353 2006-02-20 Roger Sayle <roger@eyesopen.com>
14355 PR tree-optimization/26361
14356 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14357 of unsigned integer types.
14359 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14361 * tree-chrec.c (eq_evolutions_p): New.
14362 * tree-chrec.h (eq_evolutions_p): Declared.
14363 * tree-data-ref.c: Fix formatting.
14364 (datadep_stats, dependence_stats): New.
14366 (print_direction_vector): New.
14367 (dump_data_dependence_relation): Use print_direction_vector.
14368 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14369 (compute_subscript_distance): Static.
14370 (initialize_data_dependence_relation): Static. Get the number
14371 of loops surrounding the references from the callers, and initialize
14372 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14373 base_object_differ_p analyzers.
14374 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14375 compute_overlap_steps_for_affine_1_2,
14376 analyze_subscript_affine_affine): Count the classified dependences.
14377 Print a message when a test failed.
14378 (can_use_analyze_subscript_affine_affine): New.
14379 (analyze_siv_subscript): Compute the data dependences on symbolic
14380 scevs that verify can_use_analyze_subscript_affine_affine.
14381 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14382 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14383 Handle symbolic scevs.
14384 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14386 (subscript_dependence_tester): Moved...
14387 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14388 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14389 DDR_SIZE_VECT instead of getting it in parameter.
14390 (subscript_dependence_tester): ... here. Take as a parameter
14391 loop_nest_depth. Call build_classic_dist_vector and
14392 build_classic_dir_vector.
14393 (compute_affine_dependence): Update subscript_dependence_tester
14394 parameters. Update datadep_stats counters. Call
14395 compute_subscript_distance.
14396 (compute_self_dependence): Save the dist and dir vectors. Call
14397 compute_subscript_distance.
14398 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14399 (compute_all_dependences): Reorder parameters as they were before
14400 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14401 compute_subscript_distance. Update the use of
14402 compute_affine_dependence and initialize_data_dependence_relation.
14403 (find_data_references_in_loop): Handle COMPONENT_REF.
14404 (compute_data_dependences_for_loop): Initialize dependence_stats.
14405 Don't call build_classic_dist_vector and build_classic_dir_vector.
14406 Update the parameters of initialize_data_dependence_relation and
14407 compute_all_dependences. Print the statistics from datadep_stats.
14408 (analyze_all_data_dependences): Static. Not used until the pass for
14409 checking the data dependences is contributed.
14410 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14411 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14412 (initialize_data_dependence_relation, compute_affine_dependence,
14413 analyze_all_data_dependences, compute_subscript_distance): Removed.
14414 (print_direction_vector): New.
14415 * lambda.h (gcd): ... here.
14416 (lambda_vector_gcd): Moved here from gcd_vector.
14417 * lambda-code.c (gcd, gcd_vector): Removed.
14418 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14419 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14421 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14423 * ipa-type-escape.c: Tidy some comments and white space.
14424 * tree-ssa-operands.c: Likewise.
14426 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14429 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14430 (dump_decl_name): Do not walk the decl tree chains.
14431 * tree-pass.h (TDF_CHAIN): Remove.
14433 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14435 * Makefile.in (C): Remove
14437 (.PHONY): Remove C and PROTO
14439 2006-02-20 Roger Sayle <roger@eyesopen.com>
14441 PR middle-end/26236
14442 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14443 deprecated CHAR_TYPE tree code.
14445 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14447 * configure.ac (target_list): Add install-info, dvi, html.
14448 * configure: Regenerate.
14450 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14451 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14452 treelang/Make-lang.in: Do not use double-colon rules.
14454 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14456 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14457 (TMT_USED_ALONE): New macro.
14458 * tree-pass.h (PROP_tmt_usage): New property.
14459 (TODO_update_tmt_usage): New todo.
14460 * tree-ssa-alias.c (updating_used_alone): New variable.
14461 (recalculate_used_alone): New function.
14462 (compute_may_aliases): Set updating_used_alone, call
14463 recalculate_used_alone.
14464 * tree-sra.c (pass_sra): Note that this pass destroys
14465 PROP_tmt_usage, and add TODO_update_tmt_usage.
14466 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14467 * tree-flow.h (updating_used_alone): Prototype.
14468 (recalculate_used_alone): Ditto.
14469 * passes.c (execute_todo): Add code to set updating_used_alone,
14470 and call recalculate.
14471 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14472 for clobber if used alone, and add assert to verify used_alone
14475 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14477 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14478 for non tls symbols added.
14479 (legitimize_address): Do nothing for PLUS expressions if one of the
14480 addends is a tls symbol reference.
14482 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14486 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14488 * Makefile.in (BOOTSTRAPPING): New.
14489 (quickstrap): New definition if BOOTSTRAPPING=yes.
14491 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14492 * configure.ac: Substitute all_selected_languages with the languages
14493 that were configured. For all the other variables except
14494 lang_specs_files, include all the languages in the tree.
14495 * configure: Regenerate.
14497 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14498 if there is one. Run the commands to run fixincludes in the same
14501 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14502 * doc/install.texi: Document exact conventions for searching target tools.
14503 Document --with-build-time-tools. Document toplevel bootstrap. Document
14504 something more about building an Ada cross-compiler. Don't list GNU Make
14505 requirements which affect all platforms.
14507 2006-02-19 Roger Sayle <roger@eyesopen.com>
14509 PR middle-end/19543
14510 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14511 only equivalent if the have both the same mode and precision.
14513 2006-02-20 Ben Elliston <bje@au.ibm.com>
14515 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14517 2006-02-19 Roger Sayle <roger@eyesopen.com>
14518 Steven Bosscher <stevenb.gcc@gmail.com>
14520 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14521 constant pool references to identify stack mode constants.
14522 * rtlanal.c (constant_pool_constant_p): New predicate to check
14523 whether operand is a floating point constant in the pool.
14524 * rtl.h (constant_pool_constant_p): Prototype here.
14525 * loop.c (scan_loop): Avoid hoisting constants from the constant
14526 pool on STACK_REGS targets.
14527 (load_mems): Likewise.
14528 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14529 loads into x87 registers expensive in terms of register pressure.
14531 2006-02-19 Roger Sayle <roger@eyesopen.com>
14533 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14534 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14536 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14538 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14539 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14541 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14543 * doc/invoke.texi: Document -fipa-pta.
14544 * common.opt: Add ipa-pta option.
14545 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14546 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14547 (do_ds_constraint): Ditto.
14548 (get_constraint_for): Only add to referenced_vars if
14549 referenced_vars exists.
14550 (insert_into_field_list): Rewrite to do this unsorted.
14551 (insert_into_field_list_sorted): Rename old insert_into_field_list
14553 (create_function_info_for): Use insert_into_field_list_sorted.
14554 (create_variable_info_for): Rewrite so it uses unsorted version,
14555 since the field list is sorted.
14556 (intra_create_variable_infos): Only add to referenced_vars if
14557 referenced_vars exists.
14558 (ipa_pta_execute): Init heapvars, and delete when done.
14559 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14561 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14563 * doc/install.texi: Add missing `@samp'.
14565 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14567 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14570 2006-02-18 Mark Wielaard <mark@klomp.org>
14572 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14573 who added new 4.1 features, bug fixes and integration support.
14575 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14578 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14579 MEM for ABI_V4 pic.
14581 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14583 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14584 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14585 (copy_insn_1): Likewise. Don't copy each field individually.
14587 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14589 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14590 * rtl.c (rtx_size): Rename variable to...
14591 (rtx_code_size): ...this.
14592 (rtx_size): New function.
14593 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14594 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14596 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14597 * rtl.h (rtx_code_size): New variable.
14598 (rtx_size): Change from a variable to a function.
14599 (RTX_SIZE): Rename to...
14600 (RTX_CODE_SIZE): ...this.
14603 PR tree-optimization/17106
14604 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14605 (Anchored Addresses): New section.
14606 * doc/invoke.texi (-fsection-anchors): Document.
14607 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14608 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14609 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14610 * hooks.c (hook_bool_mode_rtx_false): New function.
14611 * hooks.h (hook_bool_mode_rtx_false): Declare.
14612 * gengtype.c (create_optional_field): New function.
14613 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14614 SYMBOL_REF_IN_BLOCK_P is true.
14615 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14616 (min_anchor_offset, max_anchor_offset): Likewise.
14617 (use_anchors_for_symbol_p): New hook.
14618 * toplev.c (compile_file): Call output_object_blocks.
14619 (target_supports_section_anchors_p): New function.
14620 (process_options): Check that -fsection-anchors is only used on
14621 targets that support it and when -funit-at-a-time is in effect.
14622 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14623 if the decl doesn't have one.
14624 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14625 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14626 of force_const_mem through use_anchored_address.
14627 (expand_expr_constant): New function.
14628 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14629 calling expand_expr for INDIRECT_REF.
14630 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14631 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14632 * expr.h (use_anchored_address): Declare.
14633 * loop-unroll.c: Don't declare rtx vectors here.
14634 * explow.c: Include output.h.
14635 (validize_mem): Call use_anchored_address.
14636 (use_anchored_address): New function.
14637 * common.opt (-fsection-anchors): New switch.
14638 * varasm.c (object_block_htab, anchor_labelno): New variables.
14639 (hash_section, object_block_entry_eq, object_block_entry_hash)
14640 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14641 (use_blocks_for_decl_p, change_symbol_section): New functions.
14642 (get_variable_section): New function, split out from assemble_variable.
14643 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14644 use_blocks_for_decl_p say so. Use change_symbol_section if the
14645 symbol has already been created.
14646 (assemble_variable_contents): New function, split out from...
14647 (assemble_variable): ...here. Don't output any code for
14648 block symbols; just pass them to place_block_symbol.
14649 Use get_variable_section and assemble_variable_contents.
14650 (get_constant_alignment, get_constant_section, get_constant_size): New
14651 functions, split from output_constant_def_contents.
14652 (build_constant_desc): Create a block symbol if use_object_blocks_p
14653 says so. Or into SYMBOL_REF_FLAGS.
14654 (assemble_constant_contents): New function, split from...
14655 (output_constant_def_contents): ...here. Don't output any code
14656 for block symbols; just pass them to place_section_symbol.
14657 Use get_constant_section and get_constant_alignment.
14658 (force_const_mem): Create a block symbol if use_object_blocks_p and
14659 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14660 (output_constant_pool_1): Add an explicit alignment argument.
14661 Don't switch sections here.
14662 (output_constant_pool): Adjust call to output_constant_pool_1.
14663 Switch sections here instead. Don't output anything for block symbols;
14664 just pass them to place_block_symbol.
14665 (init_varasm_once): Initialize object_block_htab.
14666 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14667 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14668 (place_block_symbol, get_section_anchor, output_object_block)
14669 (output_object_block_htab, output_object_blocks): New functions.
14670 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14671 (TARGET_ASM_OUT): Include it.
14672 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14673 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14674 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14675 (TARGET_INITIALIZER): Include them.
14676 * rtl.c (rtl_check_failed_block_symbol): New function.
14677 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14678 (block_symbol, object_block): New structures.
14679 (rtx_def): Add a block_symbol field to the union.
14680 (BLOCK_SYMBOL_CHECK): New macro.
14681 (rtl_check_failed_block_symbol): Declare.
14682 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14683 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14684 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14685 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14686 * output.h (output_section_symbols): Declare.
14687 (object_block): Name structure.
14688 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14689 (default_use_anchors_for_symbol_p): Declare.
14690 * Makefile.in (RTL_BASE_H): Add vec.h.
14691 (explow.o): Depend on output.h.
14692 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14693 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14694 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14695 (rs6000_use_blocks_for_constant_p): New function.
14697 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14699 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14701 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14704 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14707 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14709 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14713 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14715 PR middle-end/26334
14716 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14717 instead of DECL_REGISTER.
14719 2006-02-18 Olivier Hainque <hainque@adacore.com>
14722 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14724 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14727 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14728 * opth-gen.awk: Handle Var and InverseMask together.
14729 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14730 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14731 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14732 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14734 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14735 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14736 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14737 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14738 LINUX_DYNAMIC_LINKER): Define.
14739 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14740 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14742 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14743 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14744 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14745 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14746 (TARGET_C99_FUNCTIONS): Don't define.
14747 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14748 GLIBC_DYNAMIC_LINKER.
14749 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14750 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14751 GLIBC_DYNAMIC_LINKER64): Define.
14752 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14753 LINUX_DYNAMIC_LINKER64.
14754 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14755 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14756 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14757 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14758 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14759 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14760 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14761 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14762 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14763 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14764 and LINUX_DYNAMIC_LINKER32.
14765 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14766 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14767 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14768 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14769 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14771 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14772 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14773 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14774 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14775 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14776 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14777 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14778 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14779 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14780 LINUX_DYNAMIC_LINKER): Define.
14781 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14782 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14783 GLIBC_DYNAMIC_LINKER64): Define.
14784 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14785 LINUX_DYNAMIC_LINKER64.
14786 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14787 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14788 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14789 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14790 LINUX_DYNAMIC_LINKER): Define.
14791 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14792 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14793 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14794 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14795 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14796 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14797 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14798 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14799 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14800 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14801 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14802 * doc/invoke.texi (-muclibc): Remove caveat about supported
14805 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14807 * doc/cpp.texi (__TIMESTAMP__): Document.
14809 2006-02-17 Roger Sayle <roger@eyesopen.com>
14811 PR middle-end/25600
14812 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14813 C is one less than the width of X (and related transformations).
14814 * simplify-rtx.c (simplify_unary_operation_1): Transform
14815 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14816 depending on STORE_FLAG_VALUE, were C is one less then the
14819 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14821 Fix PR tree-optimization/26341
14822 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14823 about NAME_MEMORY_TAG's.
14825 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14828 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14829 with hardware float support, and software float support. Add fcpy
14830 alternative to hardware patterns. Add alternatives to copy between
14831 general and floating-point registers to the 32-bit pattern.
14832 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14833 secondary reload to load a QI or HI mode constant into a floating
14835 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14836 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14838 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14841 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14843 (load_macho_picbase_di): Likewise.
14845 2006-02-16 Jeff Law <law@redhat.com>
14847 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14848 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14849 (ssa_name_nonzero_p): Likewise.
14850 (get_value_range): Return NULL if VRP is not running.
14851 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14852 VRP routines do not discover a range.
14853 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14854 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14855 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14856 (tree_expr_nonnegative_p): Similarly.
14857 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14858 (restore_nonzero_vars_to_original_value): Remove.
14859 (unsafe_associative_fp_binop): Remove.
14860 (tree_ssa_dominator_optimize): Remove initialization and
14861 finalization of nonzero_vars and nonzero_vars_stack.
14862 (dom_opt_initialize_block): No longer push marker on
14863 nonzero_vars_stack.
14864 (dom_opt_finalize_block): No longer call
14865 restore_nonzero_vars_to_original_value.
14866 (record_equivalences_from_phis): No longer look for
14867 nonzero PHI arguments.
14868 (cprop_into_successor_phis): No longer propagate nonzero
14869 property into PHI arguments. Lose unused argument. Caller
14871 (record_equivalences_from_stmt): No longer record nonzero
14872 values for SSA_NAMEs.
14873 (lookup_avail_expr): No longer use nonzero_vars.
14875 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14876 for sizetype when sizetype is unsigned.
14878 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14880 PR rtl-optimization/25603
14881 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14882 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14883 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14884 with new meaning of SETS.
14886 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14891 * config/linux.opt: New file.
14892 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14893 LINUX_DYNAMIC_LINKER): Define.
14894 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14895 * config.gcc (*-*-linux*): Define extra_options.
14896 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14897 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14898 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14899 GLIBC_DYNAMIC_LINKER.
14900 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14901 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14902 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14903 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14904 * doc/invoke.texi (GNU/Linux Options): New section.
14906 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14908 * config/sparc/sparc.md (setjmp): Rewrite.
14909 (setjmp_32): Delete.
14910 (setjmp_64): Likewise.
14912 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14914 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14917 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14919 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14922 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14924 PR rtl-optimization/26296
14925 * Makefile.in (loop-invariant.c): Add except.h dependency.
14926 * loop-invariant.c: Include except.h.
14927 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14929 2005-02-16 Paul Brook <paul@codesourcery.com>
14931 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14934 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14936 PR rtl-optimization/25636
14937 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14938 when deciding whether an insn is an initializing insn.
14940 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14942 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14943 (tree_code_size): Ditto.
14944 * tree.h (struct tree_memory_tag): Remove parent_var.
14945 (struct tree_struct_field_tag): New.
14948 (union tree_node): Add sft member.
14949 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14951 (create_sft): Add size and offset argument, set SFT_OFFSET and
14953 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14954 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14955 * tree-flow-inline.h (get_subvar_at): Update for
14956 SFT_OFFSET/SFT_SIZE.
14957 (var_can_have_subvars): Ditto.
14958 (overlap_subvar): Ditto.
14959 * print-tree.c (print_node): Print out interesting things for
14961 * tree-flow.h (struct subvar): Remove offset and size members.
14962 * tree-ssa-operands.c (get_expr_operands): Update for
14963 get_indirect_ref_operands changes.
14964 (get_indirect_ref_operands): Call add_virtual_operand instead of
14965 add_stmt_operand. Only recurse on base var if requested.
14966 (access_can_touch_variable): New function.
14967 (add_stmt_operand): Split virtual operand handling into ...
14968 (add_virtual_operand): Here. Add offset, size, and for_clobber
14969 arguments. Prune alias sets.
14970 (add_call_clobber_ops): Call add_virtual_operand.
14972 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14974 PR middle-end/26300
14975 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14977 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14978 than TREE_CODE as index into omp_clause_num_ops array.
14980 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14982 PR rtl-optimization/26184
14983 * modulo-sched.c (generate_reg_moves): Free bitmap vector
14985 * modulo-sched.c (sms_schedule): Free g_arr pointer.
14986 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
14987 must_precede, must_follow and tobe_scheduled.
14990 * opts.c (common_handle_option): Free new_option pointer.
14991 * df-core.c (df_analyze): Free postorder pointer.
14993 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14995 * Makefile.in: Fix the examples about the use of stamps
14997 2006-02-15 Michael Matz <matz@suse.de>
14999 PR middle-end/22275
15001 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15002 influenced by maximum_field_alignment or DECL_PACKED.
15003 (update_alignment_for_field): Ditto.
15004 (place_field): Ditto.
15005 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15008 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15010 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15011 (debug_flow_info): Pass it.
15012 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15013 * bb-reorder.c (reorder_basic_blocks): Likewise.
15014 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15015 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15016 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15017 * gcse.c (gcse_main, bypass_jumps): Likewise.
15018 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15019 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15020 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15021 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15022 * rtl.h (dump_flow_info): Adjust prototype.
15023 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15024 * var-tracking.c (variable_tracking_main): Likewise.
15025 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15026 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15029 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15031 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15034 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15036 PR tree-optimization/26209
15037 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15038 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15040 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15042 2006-02-14 Roger Sayle <roger@eyesopen.com>
15044 PR middle-end/23670
15045 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15046 (X,Y) and the corresponding symmetry related transformations.
15047 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15048 (X,Y) and its symmetry related transformations.
15050 2006-02-14 Roger Sayle <roger@eyesopen.com>
15052 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15055 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15057 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15059 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15062 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15063 support COMDAT group.
15064 * configure: Regenerate.
15066 2006-02-14 Roger Sayle <roger@eyesopen.com>
15068 PR middle-end/26279
15069 PR middle-end/26280
15070 PR middle-end/26283
15071 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15073 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15075 Fix PR tree-optimization/26260
15077 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15079 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15080 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15081 * tree-ssa-structalias.c (create_variable_info_for): Use
15082 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15084 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15086 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15088 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15089 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15090 of the ending condition.
15091 * tree-ssa-loop-manip.c: Include params.h.
15092 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15093 tree_unroll_loop): New functions.
15094 * tree-pass.h (pass_loop_prefetch): Declare.
15095 * loop.c (rest_of_handle_loop_optimize): Test for
15096 -fprefetch-loop-arrays-rtl.
15097 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15098 * timevar.def (TV_TREE_PREFETCH): New timevar.
15099 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15100 pass_loop_prefetch): New.
15101 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15102 (cleanup_tree_cfg_loop): Call scev_reset.
15103 * common.opt (fprefetch-loop-arrays-rtl): Add.
15104 * tree-ssa-loop-prefetch.c: New file.
15105 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15106 (new_temp_expr_table): Initialize expr_vars.
15107 (free_temp_expr_table): Cleanup expr_vars.
15108 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15109 expressions from being merged into one.
15110 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15111 (struct tree_niter_desc): Add control, bound and cmp fields.
15112 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15114 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15115 (tree-cfgcleanup.o): Add SCEV_H dependency.
15116 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15117 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15119 2006-02-14 Richard Guenther <rguenther@suse.de>
15121 PR tree-optimization/26258
15122 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15123 in PHI argument processing.
15125 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15127 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15128 new expression in the requested machine mode.
15130 2006-02-13 Roger Sayle <roger@eyesopen.com>
15132 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15133 directly, instead let do_compare_rtx_and_jump handle this for us.
15134 * expr.c (expand_expr_real_1): Likewise.
15135 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15136 before do_jump_by_parts_greater.
15137 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15138 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15140 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15142 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15144 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15146 PR rtl-optimization/26235
15147 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15148 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15151 2006-02-13 Jeff Law <law@redhat.com>
15153 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15156 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15158 PR middle-end/26092
15159 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15160 twice if decl is a builtin. When trying again, call get_callee_fndecl
15161 first to verify it is still a builtin.
15163 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15165 * dwarf2out.c (base_type_die): Don't add AT_name here.
15166 (subrange_type_die): Don't add AT_name here.
15167 (modified_type_die): Rearrange code flow. Do add AT_name here.
15169 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15171 PR rtl-optimization/26247
15172 PR rtl-optimization/26248
15173 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15175 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15177 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15178 * config/fixtfdi.c: Likewise.
15179 * config/fixunstfdi.c: Likewise.
15180 * config/floatditf.c: Likewise.
15182 2006-02-13 Roger Sayle <roger@eyesopen.com>
15184 PR middle-end/24427
15185 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15186 into (X,C2) if C1 is a subset of the bits of C2. Transform
15187 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15189 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15191 2006-02-13 Josh Conner <jconner@apple.com>
15194 * varasm.c (function_section): Check for section name before
15195 calling select_section on targets that define
15196 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15197 unlikely_text_section instead of hot_function_section if
15198 first_function_block_is_cold.
15200 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15202 PR middle-end/25335
15203 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15205 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15207 PR rtl-optimization/26222
15208 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15209 after tree->rtl expansion.
15210 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15211 before passing it to emit_move_insn.
15213 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15215 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15217 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15218 Clarify documentation.
15219 * c-common.h (warn_write_strings): Remove.
15220 * c-common.c (warn_write_strings): Likewise.
15221 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15224 2006-02-12 Roger Sayle <roger@eyesopen.com>
15226 PR middle-end/25724
15227 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15228 (do_jump_parts_zero_rtx): New function renamed from
15229 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15230 (do_jump_parts_equality_rtx): New function split out from
15231 do_jump_parts_equality. Old implementation renamed as above.
15232 Call do_jump_parts_zero_rtx if either operand is zero.
15233 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15234 do all of the heavy lifting.
15235 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15236 calling either do_jump_by_parts_greater_rtx or
15237 do_jump_by_parts_equality_rtx.
15238 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15239 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15240 moved to do_compare_rtx_and_jump, call it directly.
15241 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15242 mode argument. Call do_compare_rtx_and_jump.
15243 (emit_case_nodes): Update calls to do_jump_if_equal.
15245 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15247 PR rtl-optimization/26225
15248 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15250 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15252 PR rtl-optimization/26232
15253 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15255 2006-02-11 Jason Merrill <jason@redhat.com>
15258 * tree-inline.c (declare_return_variable): Just don't use the
15259 modify target if it's a gimple complex reg and the return slot
15262 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15264 * doc/contrib.texi: Update my entry.
15266 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15268 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15270 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15272 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15275 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15277 * doc/invoke.texi (-floop-optimize2): Removed.
15278 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15279 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15280 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15281 * common.opt (floop-optimize2): Removed.
15282 (fmove-loop-invariants): Enabled by default.
15284 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15286 * tree-if-conv.c (combine_blocks): Free the result of
15287 get_loop_exit_edges.
15289 2006-02-10 Jeff Law <law@redhat.com>
15291 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15293 PR tree-optimization/26213
15294 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15295 loop trying to follow SSA_NAME_VALUE chains.
15297 2006-02-10 Richard Guenther <rguenther@suse.de>
15299 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15300 deal with structures that end in implicitly variable sized arrays.
15302 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15304 PR rtl-optimization/24762
15305 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15308 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15310 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15311 (struct ivopts_data): Add regs_used field.
15312 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15313 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15314 instead of loop_data->regs_used;
15315 (free_loop_data): Do not free aux fields for loops.
15316 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15317 and tree_ssa_iv_optimize_finalize.
15319 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15321 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15323 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15326 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15327 computing the effective result type.
15329 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15331 PR inline-asm/16194
15332 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15333 (tree_overlaps_hard_reg_set): Declare.
15334 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15335 type and signature to match function type expected by walk_tree.
15336 (tree_overlaps_hard_reg_set): New function.
15337 (decl_conflicts_with_clobbers_p): Rename to:
15338 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15339 Use tree_overlaps_hard_reg_set. Changed caller.
15340 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15341 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15342 * cris.c (cris_md_asm_clobbers): Likewise.
15344 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15346 * reload1.c (emit_input_reload_insns): Delete code that tries to
15347 inherit using find_equiv_reg.
15349 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15351 * c-common.h (flag_const_strings): Don't declare.
15352 * c-common.c (flag_const_strings): Remove.
15353 * c.opt (fconst_strings): Remove.
15354 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15355 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15356 (c_common_init_options): Don't set flag_const_strings.
15357 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15359 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15361 * arm.md (tlobits_cbranch): New pattern.
15362 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15363 testing a single bit.
15365 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15368 * tree-ssa-pre.c (create_component_ref_by_pieces):
15369 Handle RETURN_DECL like VAR_DECL.
15371 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15373 PR middle-end/26134
15374 * fold-const.c (fold_indirect_ref_1): Fold
15375 "*(foo *)&complexfoo" to "__real__ complexfoo"
15376 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15378 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15380 * tree-flow-inline.h (var_can_have_subvars):
15381 Volatile variables should not have subvariables.
15383 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15386 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15387 multiplying unsigned values.
15390 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15392 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15394 2006-02-08 Jason Merrill <jason@redhat.com>
15397 * tree.def: Elaborate on difference from MODIFY_EXPR.
15398 * doc/c-tree.texi (INIT_EXPR): Likewise.
15399 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15400 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15401 (gimplify_target_expr): Likewise.
15402 (gimplify_cond_expr): Remove target handling.
15403 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15404 (gimplify_expr): Clobber it here.
15405 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15406 Do return slot optimization if we have an INIT_EXPR.
15409 * tree-inline.c (declare_return_variable): Also clear
15410 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15413 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15415 PR middle-end/22439
15416 * gimplify.c (gimplify_one_sizepos): Fix typo.
15418 2006-02-08 Jeff Law <law@redhat.com>
15420 PR tree-optimization/21417
15421 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15422 across a backedge if the control statement at the end of the
15423 block is data dependent on other statements in the same block.
15424 (record_temporary_equivalences_from_stmts): Remove over-conservative
15425 test for threading across backedges.
15427 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15428 control statement, handle all three special cases in the same
15429 manner as they all have the same desired solution. No longer
15430 special case edge flag updating when the post dominator is
15433 2006-02-08 Roger Sayle <roger@eyesopen.com>
15435 * tree.def (CHAR_TYPE): Remove.
15436 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15437 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15438 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15439 (gen_string_type_die): Delete unreachable function.
15441 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15442 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15443 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15444 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15445 * builtins.c (type_to_class): Likewise.
15446 * fold-const.c (fold_convert, build_range_check,
15447 merge_ranges): Likewise.
15448 * expr.c (count_type_elements): Likewise.
15449 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15450 * stor-layout.c (layout_type): Likewise.
15451 * ipa-type-escape.c (type_to_consider): Likewise.
15452 * gimplify.c (omp_firstprivatize_type_sizes,
15453 gimplify_type_sizes): Likewise.
15454 * explow.c (promote_mode): Likewise.
15455 * tree-sra.c (is_sra_scalar_type): Likewise.
15456 * varasm.c (output_constant): Likewise.
15457 * tree-inline.c (remap_type_1): Likewise.
15458 * convert.c (convert_to_pointer, convert_to_real,
15459 convert_to_integer, convert_to_complex): Likewise.
15461 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15463 * df-scan.c (df_def_record_1): A set destination may
15464 be a parallel regardless of mode.
15466 2006-02-08 Roger Sayle <roger@eyesopen.com>
15469 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15470 * config/mips/_tilib.c: Remove.
15471 * config/fixtfdi.c: New libgcc source file.
15472 * config/fixunstfdi.c: New source file.
15473 * config/floatditf.c: New source file.
15474 * config/floatunditf.c: New souce file.
15475 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15476 files above instead of config/mips/_tilib.c.
15477 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15479 2006-02-08 Jeff Law <law@redhat.com>
15481 PR tree-optimization/26169
15482 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15485 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15487 * df.h (DF_REG_SIZE): Return the length of the initialized
15490 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15492 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15493 __muldf3): Return a correctly signed zero.
15495 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15497 * passes.c (register_one_dump_file): Accept the current properties
15498 instead of pass number. Adjust call to dump_register. Remove
15500 (register_dump_files): Now a wrapper around...
15501 (register_dump_files_1): ... this one. Do not modify the pass
15503 (next_pass_1): Cosmetic fix.
15504 (execute_todo): Keep second parameter only. Use curr_properties
15505 instead of fetching it from the pass structure. Check and set
15507 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15508 instead of fetching it from the pass structure. Fix calls to
15509 execute_todo. Update curr_properties and initialize .vcg RTL dump
15510 after running the pass. Reset last_verified.
15511 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15513 (FIRST_AUTO_NUMBERED_DUMP): New.
15514 (dump_register): Remove "num" parameter, assign it within the
15516 (get_dump_file_name): Modify template for dumps.
15517 * tree-dump.h (dump_register): Adjust prototype.
15518 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15519 (PROP_trees): Add PROP_gimple_lomp.
15520 (TODO_set_props): New.
15521 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15522 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15523 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15525 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15527 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15528 (sparc64-*-linux*): Likewise.
15529 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15530 * config/sparc/t-linux: New file.
15531 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15532 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15533 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15534 -m32 -mlong-double-128.
15536 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15537 * config/alpha/t-linux: New file.
15538 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15540 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15541 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15542 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15543 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15544 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15545 (CPP_ARCH32_SPEC): Remove.
15547 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15549 PR tree-optimization/26145
15550 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15553 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15556 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15557 >= 240000 when generating code for SOM runtime.
15558 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15559 to $$dyncall when generating code for SOM runtime..
15561 2006-02-07 Dirk Mueller <dmueller@suse.com>
15564 * doc/invoke.texi (-Wsequence-point): Update documentation
15565 that -Wsequence-point is implemented for C++ as well.
15567 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15569 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15570 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15571 (LIB_SPEC): Likewise.
15572 * doc/invoke.texi (SPARC options): Document -pthread.
15574 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15576 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15579 2006-02-07 Roger Sayle <roger@eyesopen.com>
15581 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15582 Correct comment describing BOOLEAN_TYPE.
15584 2006-02-07 Dirk Mueller <dmueller@suse.com>
15586 * c.opt: C++ frontend supports -Wdiv-by-zero.
15587 * c-opts.c (c_common_handle_option): Remove dead case.
15589 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15591 * configure.ac (TLS assembler check): Do not enable TLS by
15592 default on SPARC/Solaris before version 10.
15593 * configure: Regenerate.
15595 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15597 * doc/invoke.texi (xl-compat): Document conversion and support
15600 2006-02-07 Jeff Law <law@redhat.com>
15602 * tree-vrp.c (find_conditional_asserts): Update comments.
15603 (simplify_stmt_for_jump_threading): New.
15604 (identify_jump_threads, finalize_jump_threads): New.
15605 (vrp_finalize): Call identify_jump_threads.
15606 (execute_vrp): Call finalize_jump_threads.
15607 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15608 (vrp_element, vrp_data, vrp_element_p): Remove.
15609 (vrp_hash_elt, vrp_variables_stack): Remove.
15610 (vrp_hash, vrp_eq, record_range): Remove.
15611 (simplify_cond_and_lookup_avail_expr): Remove.
15612 (extract_range_from_cond): Remove.
15613 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15614 (simplify_stmt_for_jump_threading): New.
15615 (dom_thread_across_edge): New wrapper.
15616 (tree_ssa_dominator_optimize): No longer initialize or
15617 finalize any of the VRP datastructures. Remove iteration
15618 step and simplify as a result of removal of iteration step.
15619 (pass_dominator): Perform a cfg cleanup after DOM.
15620 (dom_opt_finalize_block): Use the new common routines
15621 for threading jumps. Simplify stack management slightly.
15622 No longer need to unwind VRP state.
15623 (record_equivalences_from_incoming_edge): No longer record
15625 (eliminate_redundant_computations): No longer call
15626 simplify_cond_and_lookup_avail_expr.
15627 * tree-flow.h (potentially_threadable_block): Prototype.
15628 (thread_across_edge): Likewise.
15629 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15630 (tree-ssa-threadedge.o): Add dependencies.
15631 * tree-ssa-threadedge.c: New file.
15632 * passes.c (init_optimization_passes): Merge PHIs before
15633 calling VRP. Run VRP again late in the SSA optimization pipeline.
15635 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15637 * df-core.c (df_set_blocks): Do not dereference function pointers.
15638 (df_finish1): Likewise.
15639 (df_hybrid_search_forward): Likewise.
15640 (df_hybrid_search_backward): Likewise.
15641 (df_iterative_dataflow): Likewise.
15642 (df_analyze_problem): Likewise.
15643 (df_compact_blocks): Likewise.
15644 (df_dump): Likewise.
15645 * df-scan.c (df_rescan_blocks): Likewise.
15646 (df_record_entry_block_defs): Likewise.
15648 * genconditions.c (write_conditions): Guard the definition of
15649 'insn_conditions' with the check on GCC version.
15650 (write_writer): Guard the traversal 'insn_conditions' with
15651 the check on GCC version.
15653 2006-02-07 Richard Guenther <rguenther@suse.de>
15657 2006-01-30 Richard Guenther <rguenther@suse.de>
15659 * gimplify.c (gimplify_target_expr): Handle easy cases
15660 without creating a temporary.
15662 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15664 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15665 use of float in probability computations. Use edge probabilities
15666 in place of statically computed probabilities.
15667 (min_spec_prob): New static variable.
15668 (schedule_insns): Initialize it.
15669 (GET_SRC_PROB): Removed.
15670 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15672 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15675 * config/ia64/unwind-ia64.c: Revert last change.
15676 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15677 (INCOMING_FRAME_SP_OFFSET): Define.
15679 2006-02-06 Roger Sayle <roger@eyesopen.com>
15681 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15683 2006-02-07 Ben Elliston <bje@au.ibm.com>
15685 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15686 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15687 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15688 (ix86_return_in_memory): Handle TDmode.
15689 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15690 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15692 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15694 * reorg.c (dbr_schedule): Use dump_file instead of file.
15696 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15699 * config/ia64/predicates.md (extr_len_operand): New predicate.
15700 * config/ia64/ia64.md (extv): Tighten constraints.
15702 (*tbit_and_2): Ditto.
15703 (*tbit_and_3): Ditto.
15704 (*tbit_or_2): Ditto.
15705 (*tbit_or_3): Ditto.
15706 (*bit_zero): Ditto.
15709 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15712 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15714 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15716 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15717 loop_optimizer_init and loop_optimizer_finalize
15718 * tree-ssa-sink.c (execute_sink_code): Ditto.
15719 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15720 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15721 tree_ssa_loop_done): Ditto.
15722 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15723 * sched-ebb.c: Include output.h.
15724 (schedule_ebbs): Do not use dump argument.
15725 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15726 * loop.c (loop_dump_stream): Removed.
15727 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15729 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15730 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15731 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15732 loop_iterations, strength_reduce, record_biv, record_giv,
15733 final_giv_value, check_final_value, check_ext_dependent_givs,
15734 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15735 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15736 dump_file instead of loop_dump_stream.
15737 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15738 argument dump_file.
15739 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15741 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15742 * haifa-sched.c: Include output.h
15743 (schedule_insns, sched_init): Do not use dump argument.
15744 * mode-switching.c (optimize_mode_switching): Ditto.
15745 * modulo-sched.c (stats_file): Removed.
15746 (print_node_sched_params): Do not call argument dump_file.
15747 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15748 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15750 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15752 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15753 rtl_loop_init, rtl_loop_done): Ditto.
15754 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15755 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15757 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15758 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15759 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15760 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15761 * emit-rtl.c (renumber_insns): Ditto.
15762 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15763 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15764 * regclass.c (regclass): Ditto.
15765 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15766 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15767 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15768 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15770 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15771 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15773 * gcse.c (gcse_file, debug_stderr): Removed.
15774 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15775 rest_of_handle_gcse): Do not use dump argument.
15776 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15777 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15778 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15779 compute_code_hoist_vbeinout, compute_code_hoist_data,
15780 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15781 compute_store_table, build_store_vectors, insert_insn_start_bb,
15782 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15783 store_motion): Use dump_file instead of gcse_file.
15784 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15785 * profile.c (profile_dump_file): Removed.
15786 (branch_prob): Use dump_file instead of profile_dump_file.
15787 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15789 * tree-ssa-copy.c (dump_copy_of): Ditto.
15790 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15791 dump file to life_analysis.
15792 * bt-load.c (branch_target_load_optimize): Ditto.
15793 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15795 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15796 regclass, dbr_schedule): Declaration changed.
15797 * sched-int.h (sched_init): Declaration changed.
15798 * tree-profile.c (tree_profile_dump_file): Removed.
15799 (tree_profile_hooks): Removed profile_dump_file hook.
15800 * rtl-profile (rtl_profile_dump_file): Removed.
15801 (rtl_profile_hooks): emoved profile_dump_file hook.
15802 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15804 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15805 * tree-cfg.c (build_tree_cfg): Ditto.
15806 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15807 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15808 Declaration changed.
15809 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15810 life_analysis and schedule_insns.
15811 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15813 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15815 * config/mips/mips.c (mips_reorg): Ditto.
15816 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15819 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15821 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15822 (s390_mangle_fundamental_type): New.
15823 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15826 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15827 (alpha_mangle_fundamental_type): New.
15828 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15831 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15833 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15835 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15836 (sparc_mangle_fundamental_type): New.
15838 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15840 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15841 (s390x-*-linux*): Likewise.
15842 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15843 * config/s390/t-linux: New file.
15845 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15847 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15848 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15850 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15852 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15853 (ANTIC_SAFE_LOADS): New macro.
15854 (find_or_generate_expression): Add prototype.
15855 (set_contains_value): Allow null set for sake of not always having
15856 to allocate ANTIC_SAFE_LOADS.
15857 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15858 Allow COMPONENT_REF too.
15859 (valid_in_set): Allow COMPONENT_REF.
15860 Check ANTIC_SAFE_LOADS too.
15861 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15862 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15864 (can_PRE_operation): Add COMPONENT_REF.
15865 (create_component_ref_by_pieces): New function.
15866 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15867 (insert_aux): Move AGGREGATE_TYPE_P check here.
15868 (compute_avail): Set bb local stmt uids.
15869 (pass_pre): Use TODO_update_ssa_only_virtuals.
15871 2006-02-06 Ben Elliston <bje@au.ibm.com>
15873 * configure.ac: Unconditionally disable decimal float by default.
15874 * configure: Regenerate.
15876 2006-02-06 Ben Elliston <bje@au.ibm.com>
15878 * read-rtl.c (read_name): Terminate reading on EOF.
15880 2006-02-06 Ben Elliston <bje@au.ibm.com>
15882 * dfp.c (decimal_real_arithmetic): Change second argument type
15883 from int to enum tree_code. Do not always return true, but now
15884 return result of any call to decimal_do helper functions.
15885 * dfp.h (decimal_real_arithmetic): Update prototype.
15887 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15889 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15891 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15894 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15897 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15899 * tree-vrp.c (cfg_loops): Removed.
15900 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15901 Use current_loops instead of cfg_loops. Pass flags to
15902 loop_optimizer_init.
15903 * cfgloopmanip.c (fix_loop_structure): Update only available
15905 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15906 loop_optimizer_init.
15907 * modulo-sched.c (build_loops_structure): Removed.
15908 (sms_schedule): Use loop_optimizer_init.
15909 * loop-init.c (loop_optimizer_init): Use flags to determine
15910 which properties of loops to prepare.
15911 (rtl_loop_init): Pass flags to loop_optimizer_init.
15912 * tree-ssa-sink.c (execute_sink_code): Ditto.
15913 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15914 * tree-ssa-pre.c (init_pre): Ditto.
15915 * cfgloop.h (LOOPS_NORMAL): New.
15916 (loop_optimizer_init): Declaration changed.
15918 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15920 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15921 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15923 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15925 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15927 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15928 * pa/t-pa64: Delete quadlib.c rule.
15929 * pa/x-ada: Revert last change.
15930 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15932 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15934 PR rtl-optimization/26087
15935 * rtlanal.c (canonicalize_condition): Do not cross basic block
15938 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15941 * config/ia64/ia64.c: Include debug.h.
15942 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15943 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15944 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15945 (process_epilogue, process_set, process_for_unwind_directive):
15946 Output unwind info only if requested. Add CFA info if requested.
15947 Add new arguments as needed. Adjust callers.
15948 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15950 (DWARF2_FRAME_INFO): Define to zero.
15951 * config/ia64/unwind-ia64.c: Remove code that compensated for
15952 the CFA offset error fixed above.
15953 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15954 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15955 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15956 -funwind-tables and -fexceptions to enable frame info.
15957 (dwarf2out_frame_init): Define initial CFA even if
15958 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15959 DWARF2_UNWIND_INFO is nonzero, not just defined.
15960 (dwarf2out_frame_finish): Output non-EH call frame info only
15961 if DWARF2_FRAME_INFO is nonzero.
15962 (convert_cfa_to_loc_list,
15963 compute_frame_pointer_to_cfa_displacement): Define even if
15964 unwind info is not supported.
15965 (gen_subprogram_die): Use the above unconditionally. Remove
15966 legacy alternate code.
15967 * toplev.c (compile_file): Compile in call to
15968 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15969 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15971 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15972 Jakub Jelinek <jakub@redhat.com>
15974 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15975 IBM extended float format long double as "g" on powerpc*-linux.
15977 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15980 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15981 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15983 2006-02-03 Jason Merrill <jason@redhat.com>
15986 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
15988 PR middle-end/25977
15989 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
15990 on the return slot if it's an NRV.
15992 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
15994 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
15995 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
15996 rewrite_use): Do not handle USE_OUTER.
15997 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
15998 add_iv_outer_candidates, may_replace_final_value,
15999 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16000 (find_interesting_uses_op): Functionality of
16001 find_interesting_uses_outer_or_nonlin moved here.
16002 (find_interesting_uses_outside): Use find_interesting_uses_op.
16004 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16007 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16009 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16010 Ulrich Weigand <uweigand@de.ibm.com>
16013 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16014 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16015 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16016 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16018 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16019 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16020 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16021 Define secondary reloads for TFmode moves.
16022 (constant_modes): Add TFmode.
16023 (NR_C_MODES): Set to 8.
16024 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16026 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16027 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16028 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16029 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16030 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16031 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16032 (FPR mode macro): Add TFmode.
16033 (DSF mode macro): New.
16034 (<de>, <dee> mode attributes): Removed.
16035 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16036 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16037 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16038 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16039 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16040 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16041 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16042 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16043 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16044 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16045 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16046 "*negabs<mode>2", "sqrt<mode>2"):
16047 Changed <de> to <xde>. R constraint replaced by <Rf>.
16048 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16050 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16051 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16052 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16054 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16055 "extenddftf2", "extendsftf2"): New expanders.
16056 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16057 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16058 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16059 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16061 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16062 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16063 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16064 __floatditf): Add a GCC_4.1.0 symbol version tag.
16065 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16068 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16071 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16072 Use targetm.binds_local_p instead of TREE_PUBLIC.
16074 2006-02-02 Roger Sayle <roger@eyesopen.com>
16076 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16077 on INTEGER_TYPEs to indicate that it denotes a character type.
16078 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16079 signed_char_type_node, unsigned_char_type_node and char_type_node.
16080 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16081 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16082 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16084 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16085 Daniel Berlin <dberlin@dberlin.org>
16087 * tree-tailcall.c (arg_needs_copy_p): New function.
16088 (eliminate_tail_call): Use arg_needs_copy_p.
16089 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16090 (add_virtual_phis): New function.
16092 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16094 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16095 #ignore instead of #scratch for %g7 .register directive.
16097 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16099 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16102 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16104 * flow.c (calculate_global_regs_live): Assert that there aren't any
16107 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16109 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16110 what its name says.
16111 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16112 bsi_after_labels iterator.
16113 * tree-if-conv.c (find_phi_replacement_condition,
16114 replace_phi_with_cond_modify_expr): Likewise.
16115 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16116 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16118 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16120 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16122 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16125 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16126 array after growing it.
16128 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16130 PR middle-end/24901
16131 * fold-const.c (fold_checksum_tree): Change type of buf.
16133 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16135 * reload.c (push_secondary_reload): Initialize t_icode.
16137 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16139 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16140 -msoft-float -mlong-double-128 only issue a warning, but don't
16141 swich to DFmode long double.
16143 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16145 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16146 has a constant equivalent, iterate over equivalents for arg0,
16147 calling simplify_relational_operation and if there's a result
16148 cheaper than X, apply fold_rtx and return the result.
16150 2006-02-01 Jan Hubicka <jh@suse.cz>
16152 * opts.c (no_unit_at_a_time_default): New global variable.
16153 (decode_options): Use it.
16154 * opts.h (no_unit_at_a_time_default): Declare.
16156 2006-02-01 Paul Brook <paul@codesourcery.com>
16158 * function.c (assign_parm_setup_reg): Use function argument promotion
16160 * expr.c (expand_expr_real_1): Use function argument promotion rules
16163 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16165 * gcc.c (process_command): Change j to 'unsigned int'.
16167 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16169 PR middle-end/26001
16170 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16171 Use the corrected index for the character
16172 out of the string constant.
16174 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16176 * mode-switching.c (optimize_mode_switching): Fix size
16177 allocated for bb_info[n_entities].
16179 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16181 * gcc.c (main): Correct type that is allocated for
16182 explicit_link_files.
16184 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16186 * config/s390/s390.c (init_alignment_context): Set
16187 ALIAS_SET_MEMORY_BARRIER on the MEM.
16188 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16190 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16192 PR middle-end/25933
16193 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16195 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16198 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16200 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16201 * regrename.c: Ditto.
16202 * tree-ssa-loop-im.c: Ditto.
16203 * tree-dump.c: Ditto.
16204 * tree-complex.c: Ditto.
16205 * genrecog.c: Ditto.
16206 * tree-ssa-threadupdate.c: Ditto.
16208 * java/class.c: Ditto.
16209 * java/jcf-parse.c: Ditto.
16210 * java/resource.c: Ditto.
16211 * java/except.c: Ditto.
16212 * java/jvspec.c: Ditto.
16213 * java/jcf-write.c: Ditto.
16214 * java/jcf-path.c: Ditto.
16215 * java/gjavah.c: Ditto.
16216 * java/zextract.c: Ditto.
16217 * java/jcf-io.c: Ditto.
16218 * java/jcf.h: Ditto.
16219 * java/buffer.c: Ditto.
16220 * java/lang.c: Ditto.
16221 * java/parse-scan.y: Ditto.
16222 * java/lex.c: Ditto.
16223 * java/lex.h: Ditto.
16224 * cfgloopmanip.c: Ditto.
16225 * postreload-gcse.c: Ditto.
16226 * tree-ssa-loop-manip.c: Ditto.
16227 * postreload.c: Ditto.
16228 * tree-ssa-loop-ch.c: Ditto.
16231 * cppspec.c: Ditto.
16232 * diagnostic.c: Ditto.
16234 * genoutput.c: Ditto.
16236 * cfghooks.c: Ditto.
16237 * cfgloopanal.c: Ditto.
16238 * objc/objc-act.c: Ditto.
16240 * genextract.c: Ditto.
16241 * genautomata.c: Ditto.
16242 * pretty-print.c: Ditto.
16243 * genemit.c: Ditto.
16244 * cgraphunit.c: Ditto.
16246 * df-scan.c: Ditto.
16247 * haifa-sched.c: Ditto.
16248 * dominance.c: Ditto.
16250 * tree-ssa-loop-ivopts.c: Ditto.
16251 * df-core.c: Ditto.
16252 * mode-switching.c: Ditto.
16253 * modulo-sched.c: Ditto.
16255 * ipa-pure-const.c: Ditto.
16257 * fix-header.c: Ditto.
16259 * tree-stdarg.c: Ditto.
16260 * ipa-utils.c: Ditto.
16261 * loop-init.c: Ditto.
16262 * ipa-inline.c: Ditto.
16263 * cfganal.c: Ditto.
16265 * alloc-pool.c: Ditto.
16266 * dwarf2out.c: Ditto.
16268 * genattrtab.c: Ditto.
16269 * tree-ssa-loop-ivcanon.c: Ditto.
16270 * predict.c: Ditto.
16271 * timevar.c: Ditto.
16273 * fortran/gfortranspec.c: Ditto.
16274 * regmove.c: Ditto.
16275 * local-alloc.c: Ditto.
16276 * langhooks.c: Ditto.
16277 * function.c: Ditto.
16278 * tree-vectorizer.c: Ditto.
16280 * ipa-type-escape.c: Ditto.
16282 * tree-if-conv.c: Ditto.
16283 * profile.c: Ditto.
16285 * tree-data-ref.c: Ditto.
16286 * loop-unroll.c: Ditto.
16287 * treelang/treetree.c: Ditto.
16289 * bt-load.c: Ditto.
16290 * ggc-common.c: Ditto.
16292 * coverage.c: Ditto.
16294 * tree-cfgcleanup.c: Ditto.
16295 * tree-ssa-pre.c: Ditto.
16296 * cfgcleanup.c: Ditto.
16297 * loop-invariant.c: Ditto.
16298 * loop-iv.c: Ditto.
16299 * ipa-prop.c: Ditto.
16300 * print-tree.c: Ditto.
16301 * conflict.c: Ditto.
16302 * ggc-page.c: Ditto.
16303 * sched-deps.c: Ditto.
16304 * regclass.c: Ditto.
16305 * tree-object-size.c: Ditto.
16306 * combine.c: Ditto.
16307 * bb-reorder.c: Ditto.
16308 * resource.c: Ditto.
16309 * var-tracking.c: Ditto.
16310 * cfgloop.c: Ditto.
16311 * df-problems.c: Ditto.
16312 * reg-stack.c: Ditto.
16314 * gccspec.c: Ditto.
16315 * sched-rgn.c: Ditto.
16316 * tree-ssa-structalias.c: Ditto.
16317 * tree-ssa-reassoc.c: Ditto.
16318 * config/darwin-c.c: Ditto.
16319 * config/darwin.c: Ditto.
16320 * config/arm/arm.c: Ditto.
16322 * collect2.c: Ditto.
16323 * reload1.c: Ditto.
16325 2006-01-31 Nicolas Pitre <nico@cam.org>
16327 * arm.md (smaxsi3): Make aware of smax_m1.
16330 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16332 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16334 2006-01-31 Richard Guenther <rguenther@suse.de>
16336 * doc/invoke.texi (-msselibm): Document.
16337 * target.h (expand_library_builtin): New target hook.
16338 * builtins.c (expand_builtin): Use expand_library_builtin.
16339 (default_expand_library_builtin): New function.
16340 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16341 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16342 (link_gcc_math_spec): Declare.
16343 (static_specs): Add link_gcc_math_spec.
16344 * expr.h (default_expand_library_builtin): Declare.
16345 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16346 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16347 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16348 * config/i386/i386.opt (msselibm): New target option.
16349 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16350 (ix86_init_sse_abi_builtins): New function.
16351 (ix86_expand_library_builtin): Likewise.
16352 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16353 (override_options): Handle error conditions wrt -msselibm.
16354 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16355 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16356 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16359 2006-01-31 Richard Guenther <rguenther@suse.de>
16360 Paolo Bonzini <bonzini@gnu.org>
16362 * doc/install.texi (--disable-libgcc-math): Document.
16364 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16366 * expr.h (expand_normal): new inline function.
16367 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16368 * dojump.c: use it.
16369 * dwarf2out.c: use it.
16372 * expmed.c: use it.
16373 * except.c: use it.
16374 * config/sparc/sparc.c: use it.
16375 * config/i386/i386.c: use it.
16376 * config/rs6000/rs6000.c: use it.
16377 * config/arm/arm.c: use it.
16378 * config/mips/mips.c: use it.
16379 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16381 2006-01-30 Roger Sayle <roger@eyesopen.com>
16383 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16384 argv to the appropriate type.
16386 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16388 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16391 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16394 * config/s390/s390.c (struct machine_function): New flag
16395 decomposed_literal_pool_addresses_ok_p.
16396 (s390_reorg): Set it before final stage of literal pool transforms.
16397 (s390_decompose_address): Only accept displacements of the form
16398 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16400 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16402 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16403 the comparison routine return.
16405 2006-01-30 Michael Matz <matz@suse.de>
16407 * global.c (find_reg): Only evict for global regs.
16408 Take n_refs into account and dump more info.
16410 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16413 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16414 (pragma_trap, pragma_nosave_low_regs): Likewise.
16415 (current_function_anonymous_args): Likewise.
16416 (sh_deferred_function_attributes): New variable.
16417 (sh_deferred_function_attributes_tail): Likewise.
16418 (print_operand): For '@', look up trap_exit attribute.
16419 (calc_live_regs): Look up trapa_handler attribute. For trapa
16420 handlers, save/restore fpscr, but don't do any other
16421 interrupt-specific saves.
16422 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16423 Fix check for partially saved registers to check for SHmedia.
16424 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16425 (sh_output_function_epilogue): Don't clear any of the removed
16427 (sh_insert_attributes): Don't check pragma_interrupt.
16428 Insert deferred attributes. Check that interrupt attribute is
16429 present for other attributes that require its presence.
16430 (sh_attribute_table): Add new attributes trapa_handler and
16432 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16433 Don't check for pragma_interrupt. Don't store argument.
16434 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16435 (sh_deferred_function_attributes): Declare.
16436 (sh_deferred_function_attributes_tail): Likewise.
16437 * sh.md (sp_switch_1): Add operand. Change generator caller.
16438 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16439 (*return_i): Don't use when trap_exit attribute is in effect.
16440 (*return_trapa): New insn pattern.
16441 * sh-c.c: New file.
16442 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16443 setting c_target_objs and cxx_target_objs.
16444 * t-sh: Add rule for sh-c.o.
16446 2006-01-30 Richard Guenther <rguenther@suse.de>
16449 * gimplify.c (gimplify_target_expr): Handle easy cases
16450 without creating a temporary.
16452 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16454 * vec.h (safe_grow): Remove duplicated line.
16456 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16459 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16460 (expand_omp): ... here.
16461 (expand_omp_parallel): Only remove barriers for combined
16462 parallel+workshare constructs.
16464 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16468 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16469 * tree.c (build_qualified_type): Chain the new type to the original
16470 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16471 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16472 (build_pointer_type_for_mode): Only return unqualified types.
16473 (build_reference_type_for_mode): Likewise.
16475 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16477 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16478 * Makefile.in (CXX_COMPAT_WARN): Define.
16479 * configure: Regenerate.
16481 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16484 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16487 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16489 * toplev.c: Fix thinko.
16491 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16492 Marcin Dalecki <martin@dalecki.de>
16494 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16495 (push_srcloc): Use XNEW.
16496 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16498 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16500 * df-core.c (df_set_blocks): Deleted all variable.
16502 2006-01-28 Ian Lance Taylor <ian@airs.com>
16504 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16505 cgraph_output_pending_asms.
16507 2006-01-28 Zack Weinberg <zackw@panix.com>
16509 * c.opt: Add -W(no-)overlength-strings.
16510 * doc/invoke.texi: Document it.
16511 * c-opts.c (c_common_handle_option): -pedantic implies
16512 -Woverlength-strings, if not explicitly disabled already.
16513 (c_common_post_options): -Woverlength-strings defaults to off, and
16514 is always off for C++.
16515 * c-common.c (fix_string_type): Issue warning about strings longer
16516 than is portable only if warn_overlength_strings. Rearrange code
16517 a little for clarity.
16518 * configure.in: Check for -Wno-overlength-strings as well before
16519 enabling -pedantic in stage 1.
16520 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16521 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16523 * genconditions.c (write_header, write_one_condition)
16524 (write_conditions, write_writer): Consolidate very long strings
16525 that were broken up to fit in C89 portable limit. Don't use
16526 printf when fputs will do.
16528 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16530 * combine.c (simplify_comparison <AND>): Check
16531 TRULY_NOOP_TRUNCATION before start using a subreg.
16533 * config/mips/mips.md (*branch_zero<mode>,
16534 *branch_zero<mode>_inverted, *branch_equality<mode>,
16535 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16536 Remove mode check from comparisons.
16538 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16540 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16542 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16544 * expmed.c (const_mult_add_overflow_p): Remove.
16545 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16547 * recog.c (validate_replace_rtx_subexp): Remove.
16548 * recog.h: Remove the prototype for
16549 validate_replace_rtx_subexp.
16551 * integrate.h: Remove the prototype for
16552 copy_decl_for_inlining.
16553 * rtl.h: Remove the prototype for mark_constant_function.
16554 * tree-vectorizer.h: Remove the prototype for
16555 vect_strip_conversion.
16557 * modulo-sched.c (create_partial_schedule,
16558 free_partial_schedule, reset_partial_schedule): Make them
16561 * hooks.c (hook_bool_rtx_int_false): Remove.
16562 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16564 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16566 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16567 and -mlong-double-128 are incompatible.
16568 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16569 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16570 (TARGET_LIBGCC2_CFLAGS): Define.
16571 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16572 (TARGET_LIBGCC2_CFLAGS): Same.
16573 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16575 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16578 * c-typeck.c (build_binary_op): Perform implicit casts of
16579 operands before shortening them.
16581 * cfgloopmanip.c (split_loop_bb): Remove.
16582 * cfgloop.h: Remove the prototype for split_loop_bb.
16584 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16585 * cfgloop.h: Remove the prototype for
16586 flow_loop_outside_edge_p.
16588 * emit-rtl.c (init_virtual_regs): Make it static.
16589 * function.h: Remove the prototype for init_virtual_regs.
16591 * recog.c (peephole2_optimize): Make it static.
16592 * recog.h: Remove the prototype for peephole2_optimize.
16594 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16596 * df-scan.c (df_record_entry_block_defs): Check if
16597 INCOMING_RETURN_ADDR_RTX is defined.
16599 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16600 Kenneth Zadeck <zadeck@naturalbridge.com>
16602 PR rtl-optimization/24762
16603 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16604 * targhooks.c (hook_void_bitmap): New hook prototype.
16605 * targhoohs.h (hook_void_bitmap): Ditto.
16606 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16607 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16608 * target.h (live_on_entry): New function pointer.
16609 * df-scan.c (df_all_hard_regs): Removed.
16610 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16611 (df_scan_free_internal): Added df->entry_block_defs.
16612 (df_scan_alloc): Ditto.
16613 (df_scan_dump): Ditto.
16614 (df_uses_record): Plumbed flag field properly thru calls.
16615 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16616 This part fixes PR24762.
16617 (df_bb_refs_record): Added code to make the frame and arg
16618 pointers live in EH blocks.
16619 (df_refs_record): Added call to df_record_entry_block_defs.
16620 (df_record_entry_block_defs): New function.
16621 * df-core.c: Added comments to describe new artifical defs.
16622 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16623 (entry_block_defs): New field in struct df.
16624 (df_all_hard_regs): Deleted.
16625 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16626 * df-problems.c (df_ru_bb_local_compute_process_def):
16627 Added code to handle artifical defs in the entry to a function.
16628 (df_ru_bb_local_compute): Ditto.
16629 (df_rd_bb_local_compute_process_def): Ditto.
16630 (df_rd_bb_local_compute): Ditto.
16631 (df_lr_bb_local_compute): Ditto.
16632 (df_ur_bb_local_compute): Ditto.
16633 (df_urec_bb_local_compute): Ditto.
16634 (df_chain_create_bb): Ditto.
16635 (df_ur_local_finalize): Removed entry.
16636 (df_urec_init): Ditto.
16637 (df_urec_local_finalize): Ditto.
16638 (df_ri_bb_compute): Added detection of last use of pseudos.
16639 * Makefile.in (df-scan.o): Updated dependencies.
16640 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16641 * config/mips/mips.c (mips_set_live_on_entry): Added.
16642 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16644 * dce.c (marked_insn_p): Added code to handle artifical defs.
16646 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16648 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16650 (_mm_cvtsi128_si64): Likewise.
16651 (_mm_cvtsd_si64): Likewise.
16652 (_mm_cvttsd_si64): Likewise.
16653 (_mm_cvtsi64_sd): Likewise.
16654 (_mm_cvtsi64_si128): Likewise.
16655 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16656 (_mm_cvtsi64_m64): Likewise.
16657 (_m_to_int64): Likewise.
16658 (_mm_cvtm64_si64): Likewise.
16659 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16660 (_mm_cvttss_si64): Likewise.
16661 (_mm_cvtsi64_ss): Likewise.
16662 (_mm_cvtss_f32): Likewise.
16664 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16666 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16667 for pragma redefine_extname.
16669 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16672 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16673 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16674 -mno-minimal-toc to previous content.
16675 (bispecs): Remove goal.
16676 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16677 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16678 compatibility aliases on powerpc-*-*gnu*.
16679 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16680 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16681 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16682 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16683 (ldblspecs): New goal.
16684 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16685 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16687 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16688 L_sf_to_tf or L_df_to_tf is defined.
16690 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16691 Alan Modra <amodra@bigpond.net.au>
16694 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16695 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16696 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16697 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16698 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16699 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16700 (rs6000_override_options): Initialize rs6000_ieeequad.
16701 Initialize TFmode format to ibm_extended_format if not
16703 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16705 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16706 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16707 (function_arg_advance): IBM long double passed in two FPRs, not
16709 (function_arg): IBM long double passed in FPRs.
16710 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16711 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16712 Only multireg GPR aligned.
16713 (rs6000_init_libfuncs): Enable IBM long double functions if not
16715 (rs6000_generate_compare): Use IBM long double compare if not
16717 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16718 (TARGET_IEEEQUAD): Define.
16719 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16720 not TARGET_IEEEQUAD.
16721 * config/rs6000/rs6000.md: Enable TFmode patterns if
16723 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16724 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16725 and -mlong-double-128 are incompatible.
16726 * doc/invoke.texi (-mabi): Collect options together. Add
16727 ibmlongdouble and ieeelongdouble.
16729 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16731 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16733 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16734 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16735 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16736 * rtl.h (rtunion_def): Remove rt_ptr.
16738 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16739 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16740 * config/i386/winnt.c (i386_pe_mark_dllexport)
16741 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16743 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16745 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16747 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16751 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16752 pthread_key_delete. From John David Anglin. gthrw-ify
16753 pthread_getunique_np only if it it's not a macro. Delete
16755 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16756 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16757 __gthread_objc_condition_signal, __gthread_key_delete): Add
16758 "__attribute__ ((__unused__))" to unused arguments.
16759 (__gthread_recursive_mutex_init_function): Add missing return.
16760 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16761 gthr-posix95.h: Use macro-based approach for name redirection
16762 on targets missing weakref.
16764 2006-01-26 Zack Weinberg <zackw@panix.com>
16766 * genconditions.c (write_header): In generated code, #ifdef out
16767 all includes and fake declarations, except includes of bconfig.h
16768 and system.h, unless GCC_VERSION >= 3001. Do not include
16769 gensupport.h in any case.
16770 (write_conditions): Generate a definition of struct c_test. Add
16771 a comment to the generated #endif.
16772 (write_one_condition): Escape backslashes in string too.
16773 (write_writer): Generated code must escape backslashes and quote
16774 marks (but not newlines) in the strings it writes.
16775 * Makefile.in (build/gencondmd.o): Update dependencies.
16777 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16780 * Makefile.in (insn-automata.o): Add header file dependencies.
16781 * genautomata.c: Add includes.
16783 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16786 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16788 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16790 * configure.ac: Expect target tools paths to be passed from the toplevel
16791 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16793 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16795 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16798 * c.opt (Wpointer-sign): Init to -1.
16799 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16800 OPT_pedantic, to 0 otherwise.
16801 * doc/invoke.texi: Update.
16803 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16805 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16806 constants provided by 80387 instructions in the destination mode.
16808 2006-01-26 Richard Guenther <rguenther@suse.de>
16809 Andrew Pinski <pinskia@physics.uc.edu>
16812 partial PR tree-opt/17064
16813 * tree-ssa-structalias.c (intra_create_variable_infos):
16814 Create heap variables for incoming parameters if
16815 flag_argument_noalias > 1.
16816 (find_what_p_points_to): Look through default defs of
16819 2006-01-26 Jeff Law <law@redhat.com>
16822 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16823 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16824 within the VR_RANGE, use the VR_RANGE as the result, not the
16826 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16827 bounds for the type.
16829 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16831 * tree-ssa-alias.c (maybe_create_global_var): Change
16832 subvar walking to an assertion that we don't have subvar'd variables.
16834 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16837 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16838 Use a new variable, inner. PARM_DECLs are always non-weak.
16840 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16842 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16843 --disable-checking.
16845 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16847 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16849 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16851 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16852 (smax_insn, smin_insn, smax_0, smin_0): New.
16854 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16857 * config/cris/cris.c (cris_order_for_addsi3): New function.
16858 * config/cris/cris-protos.h: Prototype it.
16859 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16860 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16861 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16862 (split for "op.S1 [rx=rx+i],ry (swapped)")
16863 (split for "op(s|u).S1 [rx=rx+i],ry")
16864 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16865 Apply cris_order_for_addsi3 when generating addsi3 insns.
16867 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16869 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16870 (TREE_BLOCK): Add call to EXPR_CHECK.
16872 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16875 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16876 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16877 (dump_omp_clauses): ... here.
16878 (dump_generic_node): Handle OMP_CLAUSE.
16879 * tree.c (omp_clause_num_ops): New.
16880 (omp_clause_code_name): New.
16881 (tree_code_size): Handle OMP_CLAUSE.
16882 (tree_size): Likewise.
16883 (make_node): Document handling of OMP_CLAUSE.
16884 (tree_node_structure): Handle OMP_CLAUSE.
16885 (omp_clause_check_failed): New.
16886 (omp_clause_range_check_failed): New.
16887 (omp_clause_operand_check_failed): New.
16888 (build_omp_clause): New.
16889 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16890 * tree.h (enum omp_clause_code): Declare.
16891 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16892 (OMP_CLAUSE_RANGE_CHECK): Define.
16893 (OMP_CLAUSE_ELT_CHECK): Define.
16894 (omp_clause_check_failed): Declare.
16895 (omp_clause_operand_check_failed): Declare.
16896 (omp_clause_range_check_failed): Declare.
16897 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16898 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16899 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16900 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16901 (OMP_CLAUSE_IF_EXPR): Likewise.
16902 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16903 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16904 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16905 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16906 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16907 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16908 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16909 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16910 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16911 (OMP_CLAUSE_CODE): Define.
16912 (OMP_CLAUSE_SET_CODE): Define.
16913 (OMP_CLAUSE_CODE): Define.
16914 (OMP_CLAUSE_OPERAND): Define.
16915 (struct tree_omp_clause): Declare.
16916 (union tree_node): Add field 'omp_clause'.
16917 * treestruct.def (TS_OMP_CLAUSE): Define.
16918 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16919 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16920 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16921 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16922 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16923 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16924 (OMP_CLAUSE): Define.
16925 * print-tree.c (print_node): Handle OMP_CLAUSE.
16926 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16927 * c-typeck.c: Likewise.
16928 * gimplify.c: Likewise.
16929 * c-omp.c: Likewise.
16930 * tree-nested.c: Likewise.
16931 * tree-inline.c: Likewise.
16932 * c-parser.c: Likewise.
16933 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16936 2006-01-25 Roger Sayle <roger@eyesopen.com>
16938 PR rtl-optimization/25703
16939 * combine.c (try_combine): Handle zero_extract and strict_low_part
16940 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16942 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16944 * global.c: Fix comment typos.
16946 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16949 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16950 Use output_addr_const instead of assemble_name.
16952 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16954 * Makefile.in (sched-vis.o): Update dependencies.
16955 * haifa-sched.c (sched_finish): Clear current_sched_info.
16956 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16957 (dump_flow_info): Call it.
16958 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16960 * basic-block.h (dump_bb_info): Declare.
16961 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16962 option, and apply options only for dump files whose TDF_RTL,
16963 TDF_TREE, or TDF_IPA bits match.
16964 * rtl.h: Declare new functions exported from sched-vis.c.
16965 * sched-vis.c: Enable also if scheduling is not used.
16966 (print_value): Print the mode of registers if not inside scheduling.
16967 (print_insn): Make it work outside the scheduler. Beautify the output
16969 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16971 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16973 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16974 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16975 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16976 depending on the value of CONSTANT_POOL_ADDRESS_P.
16977 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16979 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16980 rather than SYMBOL_REF_DECL.
16981 (rtx_constant_pool): Remove const_rtx_sym_htab.
16982 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16983 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16984 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
16985 Remove handling of const_rtx_sym_htab.
16986 (find_pool_constant): Delete.
16987 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
16988 rather than find_pool_constant.
16989 (get_pool_constant_for_function): Delete.
16990 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
16991 find_pool_constant.
16992 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
16993 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
16994 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
16995 (SYMBOL_REF_CONSTANT): New macro.
16996 (get_pool_constant_for_function): Delete.
16997 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
16998 rather than SYMBOL_REF_DECL.
16999 (i386_pe_mark_dllimport): Likewise.
17000 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17001 rather than SYMBOL_REF_DECL.
17002 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17003 (machopic_indirect_call_target): Likewise.
17005 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17007 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17009 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17011 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17013 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17015 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17017 2006-01-24 David Daney <ddaney@avtrex.com>
17020 * configure.ac (enable_tls): New enable option.
17021 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17022 * configure: Regenerate.
17023 * doc/install.texi (--enable-tls): Document new option.
17024 (--disable-tls): Ditto.
17026 2006-01-24 Richard Henderson <rth@redehat.com>
17028 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17029 * alias.c (true_dependence): Respect it.
17030 (canon_true_dependence, write_dependence_p): Likewise.
17031 * builtins.c (get_builtin_sync_mem): Set it.
17033 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17035 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17038 2006-01-24 DJ Delorie <dj@redhat.com>
17040 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17041 for storing constants in single-bit bitfields.
17043 2006-01-25 Ben Elliston <bje@au.ibm.com>
17045 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17047 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17050 * tree-ssa-pre.c (phi_translate): Return NULL
17051 for AGGREGATE_TYPE's.
17053 2006-01-24 Zack Weinberg <zackw@panix.com>
17055 * genautomata.c (process_state_for_insn_equiv_partition):
17056 Use xcalloc for insn_arcs_array.
17057 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17058 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17060 2006-01-24 Richard Henderson <rth@redhat.com>
17062 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17063 update all callers.
17065 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17067 PR rtl-optimization/25890
17068 PR rtl-optimization/25905
17069 * combine.c (expand_compound_operation, expand_field_assignment):
17070 Fail if the bitfield's final position is out of bounds.
17072 2006-01-24 Ian Lance Taylor <ian@airs.com>
17074 PR middle-end/25930
17075 * cgraphunit.c (cgraph_output_in_order): Don't clear
17076 cgraph_asm_nodes until after asm strings have been output.
17078 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17080 * fix-header.c (read_scan_file): Add new parameter imultilib when
17081 calling register_include_chains.
17083 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17085 * omp-low.c: Update documentation.
17087 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17088 Daniel Berlin <dberlin@dberlin.org>
17092 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17093 return from the function.
17095 2006-01-22 Zack Weinberg <zackw@panix.com>
17097 * rtl.def (match_code): Add second argument.
17098 * genpreds.c (write_extract_subexp): New function.
17099 (write_match_code): Add path argument. Use write_extract_subexp.
17100 (write_predicate_expr): Pass path to write_match_code.
17101 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17102 not perform a mode test.
17103 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17104 a subexpression does not constrain the top-level code set.
17105 * read-rtl.c (read_rtx_variadic): New function.
17106 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17107 * doc/md.texi: Document new notation.
17108 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17109 (cmpsi_operand): ... here, using new notation.
17111 2006-01-22 Zack Weinberg <zackw@panix.com>
17113 * varray.c: Remove GENERATOR_FILE #ifdefs.
17115 2006-01-22 Zack Weinberg <zackw@panix.com>
17117 * genautomata.c (output_reserved_units_table): Emit nothing if
17118 description->query_units_num is zero. Remove extra blank line.
17119 (output_cpu_unit_reservation_p): Short circuit
17120 if description->query_units_num is zero.
17122 2006-01-22 Zack Weinberg <zackw@panix.com>
17124 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17125 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17126 nor any of the random handful of variables that used to be necessary
17127 when this program was linked with rtlanal.o. Prune set of forward
17128 function declarations.
17129 (struct attr_desc): Remove static_p field.
17130 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17131 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17132 (attr_string): Do not read the character one past the length of
17134 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17135 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17136 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17137 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17138 (make_automaton_attrs): New.
17139 (main): Do not call into genautomata. Call local gen_bypass
17140 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17141 Remove special case for insn_alts.
17142 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17143 varray.h (leftover from previous change). Prune set of forward
17144 function declarations. Remove state_alts fields from all
17145 structures. Remove state_alts_table from struct automaton.
17146 Make everything except main static. Do not maintain num_dfa_decls.
17147 Do not maintain state_alts fields of various structures.
17148 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17149 (add_arc): Remove state_alts argument. All callers updated.
17150 (output_reserved_units_table): Emit #ifdef here...
17151 (output_tables): ...not here. Don't generate state_alts tables.
17152 (expand_automata): Don't generate attributes.
17153 (write_automata): Don't generate state_alts functions.
17154 (main): New function.
17155 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17156 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17157 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17158 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17159 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17160 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17161 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17162 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17164 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17165 * genattrtab.h: Delete file.
17166 * Makefile.in (OBJS-common): Add insn-automata.o.
17167 (insn-automata.o): New rule.
17168 (simple_generated_c): Add insn-automata.c.
17169 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17170 (genprogmd): Add automata.
17171 (build/genattrtab): Needs no extra objects nor libraries.
17172 (build/genautomata): Needs build/vec.o and -lm.
17174 2006-01-22 Zack Weinberg <zackw@panix.com>
17176 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17177 (output_dfa_max_issue_rate, locked_states_num): Delete.
17178 (struct automaton): Add locked_states field.
17179 (output_dead_lock_vect): Save number of locked states in
17180 automaton->locked_states. If it is zero, don't print anything.
17181 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17182 (output_internal_dead_lock_func): Only test the dead_lock_vect
17183 for automata that have locked states.
17184 (output_statistics): Always print the number of locked states for
17185 each automaton. Calculate total number of locked states here.
17186 (write_automata): Don't call output_dfa_max_issue_rate.
17187 * genattrtab.c: Define length_unit_log as a const variable.
17188 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17189 max_insn_queue_index const.
17190 * final.c (length_unit_log): Declare const.
17191 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17193 2006-01-22 Zack Weinberg <zackw@panix.com>
17195 * genautomata.c: Include vec.h, not varray.h.
17196 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17197 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17198 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17199 VEC_* macros operating on appropriately typed vectors, or to
17200 malloced arrays when the size is known in advance. Const-ify
17201 many char* variables and function arguments. No functional changes.
17202 * Makefile.in (build/varray.o): Delete rule.
17203 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17204 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17206 2006-01-22 Zack Weinberg <zackw@panix.com>
17208 * gensupport.c: Define get_insn_name and record_insn_name here.
17209 (read_md_rtx): Call record_insn_name as appropriate.
17210 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17211 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17212 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17214 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17215 (BUILD_VARRAY): Delete.
17216 (genprognormal): Rename genprogmd. Fold in all programs from
17217 genprognoprint; also attrtab.
17218 (build/genattrtab): Just mention genautomata.o and varray.o.
17219 Reorganize a bit, add comments to make the categories clearer.
17221 2006-01-22 Zack Weinberg <zackw@panix.com>
17223 * genconditions.c (condition_table, add_condition): Delete.
17224 (write_conditions): Don't emit n_insn_conditions nor
17225 insn_elision_unavailable. Issue the gcc version #ifdef here,
17226 inside the table, with no #else clause ...
17227 (write_header): ...not here.
17228 (write_writer): New function.
17229 (main): Don't initialize condition_table. Use add_c_test.
17231 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17232 files on the command line.
17233 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17234 Return -1 if there is no entry in the table, don't abort.
17235 (add_c_test, traverse_c_tests): New functions.
17236 * gensupport.h (insn_elision_unavailable, insn_conditions)
17237 (n_insn_conditions): Delete declarations.
17238 (add_c_test, traverse_c_tests): Declare.
17239 * read-rtl.c: Include gensupport.h.
17240 (read_conditions): New function.
17241 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17242 (read_rtx_1): If we get EOF when we were looking for an initial
17243 open paren, return 0. Call read_conditions when appropriate.
17244 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17245 dummy-conditions.o. Eliminate references to insn-conditions.o,
17246 or change them to build/gencondmd.o, as appropriate. Remove
17247 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17248 from $(simple_generated_c). For all files remaining in those
17249 two lists, add insn-conditions.md to the generator command line.
17250 Give insn-constants.h/s-constants their own rules. Add rules
17251 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17252 (build/read-rtl.o): Depend on gensupport.h.
17253 (genprognormal): Include preds.
17254 (genprogearly): Rename genprognoprint; only difference is now that
17255 they don't link with $(BUILD_PRINT).
17256 * dummy-conditions.c: Delete.
17258 2006-01-22 Zack Weinberg <zackw@panix.com>
17260 * genextract.c: Don't include insn-config.h. Do include vec.h.
17261 Declare vectors of int, char, and locstr.
17262 (locstr): New typedef.
17263 (struct extraction): Make all array fields into bare pointers.
17264 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17265 (insn_code_number): Delete.
17266 (accum_extract): New struct.
17267 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17268 (gen_insn): Take insn_code_number as an argument. Use an
17269 accum_extract structure instead of loading data directly into
17270 a struct extraction, and having to know how big it might get.
17271 (walk_rtx): Operate entirely on an accum_extract structure.
17272 (print_path): Avoid unnecessary use of printf.
17273 (print_header): New function, split out of main. Distinguish
17274 more carefully between an unrecognizable insn and an insn that
17275 has the code number of a define_expand.
17276 (main): Pass insn_code_number to gen_insn. Call print_header
17277 only after parsing. Avoid unnecessary use of printf.
17278 * Makefile.in (build/vec.o): New rule.
17279 (build/genextract): Depend on build/vec.o.
17280 (build/genextract.o): Don't depend on insn-config.h.
17282 2006-01-22 Zack Weinberg <zackw@panix.com>
17284 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17285 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17286 practical. Eliminate per-generator-program link rules.
17288 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17290 PR middle-end/24437
17291 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17292 with a call expr to ...
17293 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17295 2006-01-23 Richard Guenther <rguenther@suse.de>
17297 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17298 before make_edge with conditional EDGE_TRUE_VALUE.
17300 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17301 Jan Hubicka <jh@suse.cz>
17302 Richard Guenther <rguenther@suse.de>
17304 PR rtl-optimization/25654
17305 * cfgexpand.c (aggregate_contains_union_type): New function.
17306 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17307 for structure variables that contain a union type.
17309 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17311 * gengtype.c (new_structure): Return the structure.
17312 (create_option): Add an extra "next" argument.
17313 (create_field): New function.
17314 (adjust_field_rtx_def): Use create_option and create_field.
17315 Remove a now-unnecessary call to find_structure.
17316 (adjust_field_tree_def): Likewise.
17317 (note_yacc_type): Remove an unnecessary call to find_structure.
17318 * gengtype.h (new_structure): Return the structure.
17319 (create_option): Add an extra argument.
17320 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17321 (option): Adjust calls to create_option.
17323 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17325 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17327 2006-01-22 Paul Brook <paul@codesourcery.com>
17328 Peter Barada <peter@the-baradas.com>
17330 * config/m68k/m68k.md: Add Coldfire FPU support.
17331 Define FP mode macro and associated attributes.
17332 Use it for float mode patterns.
17333 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17334 (LIBCALL_VALUE): Use m68k_libcall_value.
17335 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17336 (m68k_function_value): Ditto.
17337 (emit_move_sequence): Ditto.
17338 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17339 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17340 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17341 (MULTILIB_EXCEPTIONS): Ditto.
17342 * config/m68k/m68k.opt: Add mcfv4e.
17343 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17344 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17345 (m68k_output_function_prologue): Save ColdFire FPU registers.
17346 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17347 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17348 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17349 ColdFire FPU registers.
17350 (m68k_libcall_value, m68k_function_value): New functions.
17351 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17352 (LIBCALL_VALUE): Use m68k_libcall_value.
17353 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17354 (MASK_COLDFIRE): Add MASK_CFV4E.
17355 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17356 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17357 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17358 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17359 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17360 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17361 * doc/invoke.tex: Document -mcfv4e on m68k.
17363 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17365 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17368 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17371 * c-opts.c (c_common_handle_option): Don't include
17372 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17373 * doc/invoke.texi (C++ Dialect Options): Document that
17374 -Wnon-virtual-dtor is no longer included in -Wall.
17376 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17378 * gcov.c (print_version), gcov-dump.c (print_version),
17379 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17382 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17384 * df-scan.c (problem_SCAN): Added NULL reset function.
17385 (df_scan_reset_blocks): Added code to call reset block function
17386 (df_bb_refs_delete) Fixed comment.
17387 (df_insn_refs_delete): Made tolerant of deleting non existent info
17388 for dataflow problems that need to be reset.
17389 * df-core.c (df_set_blocks): Ditto.
17390 * df.h (struct df_problem): Added reset_fun.
17391 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17392 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17393 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17394 functions to clear out all references to def-use or use-def chains.
17396 2006-01-21 Ben Elliston <bje@au.ibm.com>
17398 * varasm.c (assemble_real): Initialise data array.
17400 2006-01-20 Paul Brook <paul@codesourcery.com>
17402 Merge from csl-arm-branch.
17403 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17404 * config/arm/arm.md (movdi): Force operands[1] to a register
17405 if we have a non-register source.
17406 (*arm_movdi, *movdf_soft_insn): Require that one of the
17407 operands be a register.
17408 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17409 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17411 2006-01-20 DJ Delorie <dj@redhat.com>
17413 * varasm.c (initializer_constant_valid_p): Allow pointers
17414 initialized from integer constants of lesser precision.
17415 (output_constant): Allow non-int-sized pointer modes to be
17416 initialized from integer constants.
17418 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17421 * cppdefault.h (struct default_include): Add multilib flag.
17422 * cppdefault.c (cpp_include_defaults): Set it.
17423 * c.opt (-imultilib): New option.
17424 * c-opts.c (imultilib): New.
17425 (c_common_handle_option): Handle -imultilib.
17426 (c_common_post_options): Likewise.
17427 * c-incpath.c (add_standard_paths, register_include_chains):
17429 * c-incpath.h (register_include_chains): Add extra parameter.
17430 * gcc.c (do_spec_1): Generate -imultilib option.
17431 (The Specs Language): Update %I description.
17432 (process_command): Update copyright notice.
17433 * doc/cppopts.texi (-imultilib): Document.
17434 * doc/invoke.texi (-imultilib): Include in option summary.
17435 (%I): Update specs documentation.
17437 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17439 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17441 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17443 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17446 2006-01-20 Richard Guenther <rguenther@suse.de>
17447 Steven Bosscher <stevenb.gcc@gmail.com>
17449 PR rtl-optimization/24626
17450 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17451 EDGE_TRUE_VALUE if in RTL mode.
17454 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17455 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17457 2006-01-20 Dirk Mueller <dmueller@suse.com>
17460 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17461 instead of a special NOP marker.
17462 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17463 NOP marker handling.
17464 * c-common.h (empty_body_warning): Add forward declaration.
17465 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17466 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17468 2006-01-20 Paul Brook <paul@codesourcery.com>
17470 * Makefile.in (lang_checks): Keep going if mkdir fails.
17472 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17474 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17475 be able to clean out basic block when not necessary.
17476 (df_scan_free): Fixed to properly delete information if df is
17477 unused before calling df_finish.
17478 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17479 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17481 (df_bb_refs_delete): New function.
17482 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17483 * df-core.c (df_set_blocks): Added code to properly clean out
17484 unused blocks if they are not part of the blocks to consider.
17485 Added additional null check.
17486 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17487 be able to clean out basic block when not necessary
17488 * df.h (df_free_bb_function): Ditto.
17489 (df_bb_refs_delete): New function.
17490 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17491 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17492 basic block parameter to be able to clean out basic block when not
17494 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17495 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17496 Fixed to properly delete information if df is unused before
17499 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17501 PR rtl-optimization/25799
17502 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17503 Corrected confluence operator to remove bits from op2 before oring
17504 with op1 rather than removing bits from op1.
17505 (df_ru_transfer_function): Corrected test on wrong bitmap which
17506 caused infinite loop. Both of these problems were introduced in
17507 the dataflow rewrite.
17509 2006-01-19 DJ Delorie <dj@redhat.com>
17511 * reload1.c (find_reload_regs): Note the details of reload
17512 failures in the dump file.
17513 (spill_failure): Likewise.
17515 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17517 * loop-iv.c: Include df.h and hashtab.h.
17518 (enum iv_grd_result): New enum.
17519 (DF_REF_IV, DF_REF_IV_SET): New macros.
17520 (struct biv_entry): New.
17521 (df, bivs): New global variables.
17522 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17523 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17525 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17526 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17527 analyzed_for_bivness_p, record_biv): New functions.
17528 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17529 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17530 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17532 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17534 (iv_number_of_iterations): Use new interface to iv analysis.
17535 * loop-unroll.c: Do not include varray.h.
17536 (analyze_iv_to_split_insn): Use new interface to iv
17538 * loop-unswitch.c (may_unswitch_on): Ditto.
17539 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17541 (df_bb_modify): Realloc tables to the new index.
17542 (df_find_use): New function.
17543 * df.h (df_find_use): Declare.
17544 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17546 * cfgloop.h (struct rtx_iv): Remove analysed field.
17547 (iv_get_reaching_def): Removed.
17548 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17549 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17550 (loop-iv.o): Add df.h and hashtab.h dependency.
17551 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17553 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17556 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17558 (__floatundisf, __floatundidf): Likewise.
17559 * libgcc2.h (IS_IBM_EXTENDED): Define.
17561 2006-01-19 DJ Delorie <dj@redhat.com>
17563 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17565 2006-01-19 Paul Brook <paul@codesourcery.com>
17567 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17568 as nothrow when unwinding tables are disabled.
17570 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17573 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17574 of bit-field" when in system header.
17576 2006-01-19 DJ Delorie <dj@redhat.com>
17578 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17579 the 16 bit shift limit of the m16c.
17581 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17584 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17585 * config/i386/i386.c (output_set_got): Output the label if we have one
17586 for the TARGET_DEEP_BRANCH_PREDICTION case.
17588 2006-01-19 Jan Hubicka <jh@suse.cz>
17589 H.J. Lu <hongjiu.lu@intel.com>
17590 Evandro Menezes <evandro.menezes@amd.com>
17592 * invoke.texi (generic): Document
17594 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17595 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17596 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17597 (x86_use_incdec, x86_pad_returns): New variables
17598 (TARGET_CPU_DEFAULT_generic): New constant
17599 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17600 (enum processor_type): Add generic32 and generic64.
17601 * i386.md (cpu attribute): Add generic32/generic64
17602 (movhi splitter): Behave sanely when both partial_reg_dependency and
17603 partial_reg_stall are set.
17604 (K8 splitters): Enable for generic as well.
17605 * predicates.md (incdec_operand): Use TARGET_INCDEC
17606 (aligned_operand): Avoid memory mismatch stalls.
17607 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17608 * ppro.md: Enable for generic32
17609 * i386.c (generic64_cost, generic32_cost): New.
17610 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17611 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17612 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17613 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17614 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17615 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17616 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17617 x86_accumulate_outgoing_args, x86_prologue_using_move,
17618 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17619 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17620 Enable for generic.
17621 (x86_use_incdec, x86_pad_returns): New.
17622 (override_options): Add generic32 and generic64, translate "generic"
17623 to generic32/generic64 and "i686" to "generic32", refuse
17624 "generic32"/"generic64" as arch target.
17625 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17626 (ix86_reorg): Honor PAD_RETURNS.
17628 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17630 * tree-pretty-print.c (dump_generic_node): Handle
17631 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17632 * cgraph.c (cgraph_expand_queue): Rename from
17633 cgraph_analyze_queue. Update all users.
17634 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17635 cgraph_expand_queue.
17636 (cgraph_expand_all_functions): Likewise.
17637 (cgraph_finalize_pending_functions): Remove. Update callers.
17639 * tree.h (OMP_DIRECTIVE_P): Define.
17640 (OMP_PARALLEL_FN): Define.
17641 (OMP_PARALLEL_DATA_ARG): Define.
17642 (OMP_SECTIONS_SECTIONS): Define.
17643 * tree-pass.h (pass_expand_omp): Declare.
17644 * omp-low.c (struct omp_region): Declare.
17645 (struct omp_context): Remove fields 'parallel_type',
17646 'parallel_start_ix' and 'parallel_start_additional_args'.
17648 (struct omp_for_data): Rename from struct expand_omp_for_data.
17649 (omp_regions): New static variable.
17650 (root_omp_region): New static variable.
17651 (find_omp_clause): Make static.
17652 (is_in_combined_parallel_ctx): Remove.
17653 (is_combined_parallel): New.
17654 (extract_omp_for_data): Move earlier in the file.
17655 (workshare_safe_to_combine_p): New.
17656 (get_ws_args_for): New.
17657 (determine_parallel_type): Move earlier in the file.
17658 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17660 (omp_copy_decl): Likewise.
17661 (create_omp_child_function): Likewise.
17662 (lookup_omp_region): New.
17663 (dump_omp_region): New.
17664 (debug_omp_region): New.
17665 (debug_all_omp_regions): New.
17666 (new_omp_region): New.
17667 (scan_omp_parallel): If parallel_nesting_level > 1, the
17668 directive is nested within another parallel directive.
17669 Set OMP_PARALLEL_FN.
17670 (scan_omp_for): Do not try to handle combined parallel+for
17672 Remove FIXME comment.
17673 (scan_omp_nested): Remove.
17674 (scan_omp_1): Do not call scan_omp_nested when
17675 parallel_nesting_level is > 1.
17676 Do not change the DECL_CONTEXT of local variables found.
17677 (lookup_decl_in_outer_ctx): New.
17678 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17679 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17680 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17681 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17682 If CTX is nested, lookup VAR in the outer context when
17683 building copy assignment.
17684 (lower_send_clauses): Rename from expand_send_clauses.
17685 If CTX is nested, lookup VAR in the outer context when
17686 building copy assignments.
17687 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17688 If CTX is nested, lookup VAR in the outer context when
17689 building copy assignments.
17690 (expand_parallel_call): Rename from build_parallel_call.
17691 Handle combined parallel+workshare cases.
17692 Re-implement to emit code into the CFG.
17694 (expand_omp_parallel): Re-implement to emit code into the CFG.
17695 Call move_sese_region_to_fn to outline the sub-graph
17696 containing the parallel region.
17697 (expand_omp_for_1): Remove.
17698 (expand_omp_for_generic): Re-implement to emit code into the
17700 (expand_omp_for_static_nochunk): Likewise.
17701 (expand_omp_for_static_chunk): Likewise.
17702 (expand_omp_for): Likewise.
17703 (expand_omp_sections): Likewise.
17704 (remove_exit_barriers): New.
17705 (expand_omp_synch): New.
17707 (build_omp_regions_1): New.
17708 (build_omp_regions): New.
17709 (execute_expand_omp): New.
17710 (gate_expand_omp): New.
17711 (pass_expand_omp): Define.
17712 (lower_omp_sections): Rename from expand_omp_sections.
17713 Set OMP_SECTIONS_SECTIONS.
17714 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17715 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17716 (lower_omp_single): Rename from expand_omp_simple.
17717 (lower_omp_master): Rename from expand_omp_master.
17718 (lower_omp_ordered): Rename from expand_omp_ordered.
17719 (lower_omp_critical): Rename from expand_omp_critical.
17720 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17721 (lower_omp_for): Re-implement.
17722 (lower_omp_parallel): Re-implement.
17723 (lower_regimplify): Rename from expand_regimplify.
17724 (lower_omp_1): Rename from expand_omp_1.
17725 If there are syntax errors in the program, replace every
17726 OpenMP directive with NOP.
17727 Call lower_omp_* instead of expand_omp_*.
17728 (lower_omp): Rename from expand_omp.
17730 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17731 * tree-gimple.h (enum omp_parallel_type): Remove.
17732 (gimple_boolify): Declare extern.
17733 (find_omp_clause, determine_parallel_type): Remove.
17735 * gimple-low.c (lower_omp_directive): New.
17736 (lower_stmt): Call it.
17737 (record_vars_into): Move from ...
17738 (record_vars): ... here.
17739 Call record_vars_into with current_function_decl.
17741 * gimplify.c (struct gimplify_ctx): Remove fields
17742 combined_pre_p and combined_ctxp. Update users.
17743 (get_formal_tmp_var): Add documentation.
17744 (gimple_boolify): Make extern.
17745 (gimplify_expr_in_ctx): Remove. Update callers.
17746 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17747 will always be a BIND_EXPR.
17748 (gimplify_expr): Handle OMP_RETURN_EXPR.
17749 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17750 (OMP_PARALLEL): Add 3 operands.
17751 (OMP_SECTIONS): Add 1 operand.
17752 (OMP_RETURN_EXPR): Define.
17754 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17755 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17756 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17757 creating a circular free list.
17758 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17760 * tree-flow.h (move_sese_region_to_fn): Declare.
17761 (record_vars_into): Declare.
17762 * tree-cfg.c (make_omp_sections_edges): New.
17763 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17764 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17765 OMP_SECTIONS and OMP_SECTION.
17766 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17767 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17768 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17769 (gather_blocks_in_sese_region): New.
17770 (struct move_stmt_d): Declare.
17771 (move_stmt_r): New.
17772 (move_block_to_fn): New.
17773 (move_sese_region_to_fn): New.
17775 * passes.c (init_optimization_passes): Schedule
17776 pass_expand_omp after pass_init_datastructures.
17778 * tree-ssa-operands.c (get_expr_operands): Handle
17779 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17780 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17782 2006-01-19 Jeff Law <law@redhat.com>
17784 * tree-vrp.c (extract_range_from_assert): Refine the result range
17785 if the variable referenced by the ASSERT_EXPR has a range and
17786 either the tentative result range or the previous range is a
17789 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17791 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17793 2006-01-19 Jan Hubicka <jh@suse.cz>
17795 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17797 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17799 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17800 (expand_compound_operation, expand_field_assignment): Fail if the
17801 bit lengths of an extract operation are out of range.
17802 (make_extraction): Compute wanted_inner_mode based on the position
17803 and length of the extraction. Make it extraction_mode for non-constant
17804 positions, and do not modify offset in that case. When generating a
17805 new MEM, use a mode that can hold the extraction while keeping correct
17806 alignment. Remove code that supported MEMs wrapped by USEs.
17807 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17809 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17811 * config/s390/s390.md ("Y", "y"): New mode attribute.
17812 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17813 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17814 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17815 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17816 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17817 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17818 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17819 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17820 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17821 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17822 "addsi3", "subsi3"): Insn patterns removed.
17823 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17824 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17825 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17826 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17827 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17828 "*sub<mode>3_cconly2"): New insn patterns.
17829 ("addsi3", "subsi3"): New expanders.
17831 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17833 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17834 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17835 existing STMT_VINFO_VECTYPE if available.
17836 (vect_mark_relevant): Add special handling for stmts that are
17837 marked as STMT_VINFO_IN_PATTERN_P.
17838 (vect_analyze_loop): Call vect_pattern_recog.
17839 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17840 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17842 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17843 (vect_recog_func_ptr): New function-pointer type.
17844 * tree-vect-patterns.c: New file.
17845 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17846 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17847 (vect_pattern_recog_1): New functions.
17848 (vect_pattern_recog_funcs): New array of function pointers.
17850 * tree-vectorizer.h (ternary_op): New enum value.
17851 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17852 declaration. Revised documentation. Removed redundant dump prints.
17853 Removed redundant argument. Added support for reduction patterns.
17854 (vectorizable_reduction): Added support for reduction patterns.
17855 (vect_transform_stmt): Added support for patterns.
17857 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17858 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17859 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17860 (expand_widen_pattern_expr): New function.
17861 (init_optabs): Initialize new optabs udot_prod_optab,
17863 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17864 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17865 (expand_widen_pattern_expr): New function declaration.
17866 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17868 * tree-inline.c (estimate_num_insns_1): Added cases for new
17869 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17870 * tree-pretty-print.c (dump_generic_node): Likewise.
17871 (op_prio): Likewise.
17872 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17873 * tree-ssa-operands.c (get_expr_operands): Added case for
17875 * tree-vect-patterns.c (widened_name_p): New function.
17876 (vect_recog_dot_prod_pattern): Added function implementation.
17877 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17878 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17879 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17880 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17882 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17883 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17884 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17885 (init_optabs): Initialize new optabs widen_ssum_optab,
17887 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17888 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17889 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17890 use instead of type of def.
17891 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17892 function implementation.
17893 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17894 widen_ssumv8hi): New.
17896 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17899 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17902 * c-decl.c (add_flexible_array_elts_to_size): New function.
17903 (finish_decl): Use it.
17905 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17907 * diagnostic.h: Include options.h.
17908 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17909 dependancies for diagnostic.h.
17910 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17912 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17914 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17915 (ssa_ro_call_cache_valid): Ditto.
17916 * tree-ssa-alias.c (sort_tags_by_id): New function.
17917 (init_transitive_clobber_worklist): Ditto.
17918 (add_to_worklist): Ditto.
17919 (mark_aliases_call_clobbered): Ditto.
17920 (compute_tag_properties): Ditto.
17921 (set_initial_properties): Ditto.
17922 (compute_call_clobbered): Ditto.
17923 (compute_may_aliases): Call compute_call_clobbered and grouping.
17924 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17925 (compute_flow_insensitive_aliasing): Grouping now happens in our
17927 (setup_pointers_and_addressables): Remove clobbering related code.
17928 (add_may_alias): Ditto.
17929 (replace_may_alias): Ditto.
17930 (get_nmt_for): Ditto.
17931 (create_global_var):
17932 (is_escape_site): Return an escape_type enumeration.
17933 * tree-flow-inline.h (is_call_clobbered): Global var does not
17934 imply call clobbered.
17935 (mark_call_clobbered): Take a reason for marking this. Remove
17936 marking of globalness, and cache invalidation.
17937 (clear_call_clobbered): Remove cache invalidation code.
17938 * tree-dfa.c (dump_variable): If details is on, dump the reason
17940 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17942 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17943 (struct var_ann_d): Ditto.
17944 (enum escape_type): New.
17945 (mark_call_clobbered): Adjust prototype.
17946 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17947 are never call clobbered.
17948 Record reasons for escaping.
17949 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17950 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17951 (ssa_ro_call_cache_valid): Ditto.
17952 (clobbered_v_may_defs): Ditto.
17953 (clobbered_vuses): Ditto.
17954 (ro_call_vuses): Ditto.
17955 (clobber_stats): New.
17956 (init_ssa_operands): Zero out clobber stats.
17957 (fini_ssa_operands): Print out clobber stats.
17958 (get_call_expr_operands): Pass callee fndecl to
17959 add_call_read_ops).
17960 (add_call_clobber_ops): Remove use of cache.
17961 Add use of PURE_CONST information.
17962 (add_call_read_ops): Remove use of cache.
17963 Add use of static not_read information.
17965 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17967 Introduce TLS descriptors for i386 and x86_64.
17968 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17969 (TARGET_ANY_GNU_TLS): New macro.
17970 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17971 (struct machine_function): Add tls_descriptor_call_expanded_p.
17972 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17973 (ix86_current_function_calls_tls_descriptor): Likewise.
17974 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17975 (override_options): Introduce gnu2 tls dialect.
17976 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17978 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17980 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17981 (ix86_init_machine_status): Initialize new field.
17982 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17983 (ix86_tls_module_base): New.
17984 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
17985 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
17986 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
17987 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
17988 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
17989 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
17990 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
17991 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
17992 * config/i386/predicates.md (tls_modbase_operand): New.
17993 (tp_or_register_operand): New.
17995 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
17997 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
17998 (look_for_address_of): Ditto.
17999 (ipa_init): Walk the function decls.
18000 (static_execute): Don't set readonly on FUNCTION_DECL's.
18002 2006-01-18 Roger Sayle <roger@eyesopen.com>
18004 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18005 for shifts where the source and destination registers are different.
18007 2006-01-18 Paul Brook <paul@codesourcery.com>
18009 Merge from csl-arm-branch.
18010 2005-03-14 Julian Brown <julian@codesourcery.com>
18011 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18012 (aeabi_llsl): Likewise.
18013 (ashrdi3): Likewise.
18014 (aeabi_lasr): Likewise.
18015 (lshrdi3): Likewise.
18016 (aeabi_llsr): Likewise.
18017 2005-03-10 Julian Brown <julian@codesourcery.com>
18018 * config.gcc: Disable shared libgcc for SymbianOS.
18019 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18021 2006-01-18 DJ Delorie <dj@redhat.com>
18023 * c-pragma.c (handle_pragma_diagnostic): New.
18024 (init_pragma): Register it.
18025 * doc/extend.texi: Document it.
18027 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18028 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18029 (diagnostic_context): Add classify_diagnostic[].
18030 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18031 as errors if they're overridden to DK_WARNING.
18032 (diagnostic_initialize): Initialize classify_diagnostic[].
18033 (diagnostic_set_kind_override): New.
18034 (diagnostic_report_diagnostic): Check for kind changes.
18035 * opts.c (common_handle_option): Take lang_mask. Update callers.
18036 Handle OPT_Werror_.
18037 * common.opt (Werror=): New.
18038 * doc/invoke.texi: Document -Werror=*
18040 2006-01-18 Jeff Law <law@redhat.com>
18042 * tree-vrp.c (test_for_singularity): Correct test for new
18043 min limit. Use operand_equal_p rather than pointer equality
18044 for testing if new min/max values are equal.
18046 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18047 using range information until after propagation and folding.
18049 2006-01-18 Richard Henderson <rth@redhat.com>
18050 Aldy Hernandez <aldyh@redhat.com>
18051 Jakub Jelinek <jakub@redhat.com>
18052 Diego Novillo <dnovillo@redhat.com>
18054 * omp-low.c: New file.
18055 * c-omp.c: New file.
18057 2006-01-18 Richard Henderson <rth@redhat.com>
18058 Jakub Jelinek <jakub@redhat.com>
18059 Diego Novillo <dnovillo@redhat.com>
18061 * doc/invoke.texi: Document -fopenmp.
18062 * tree-dump.h (debug_function): Declare.
18063 * hooks.c (hook_bool_tree_bool_false): New function.
18064 (hook_tree_tree_null): Remove.
18065 (hook_tree_tree_tree_null): New.
18066 * hooks.h: Update to match.
18067 * tree-pretty-print.c (debug_tree_chain): New.
18068 (print_generic_expr): Handle TDF_CHAIN.
18069 (dump_generic_node): Handle BLOCK.
18070 Do not abort with incomplete SWITCH_EXPRs.
18071 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18072 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18073 print space after directive name.
18074 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18075 Handle OMP_MASTER and OMP_ORDERED.
18076 Handle printing of OMP_BODY just in one place, goto
18077 dump_omp_body in the rest of OMP_* nodes that have
18079 Don't handle clause nodes here. Update omp statements to
18080 use dump_omp_clauses.
18081 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18082 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18083 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18084 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18085 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18086 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18087 Adjust output for GOMP_PARALLEL.
18088 (dump_omp_clauses): New.
18089 (print_declaration): Dump DECL_VALUE_EXPR.
18090 (op_symbol_1): Split out of op_symbol.
18091 (dumping_stmts): Remove. Update all users.
18092 * cgraph.c (cgraph_analyze_queue): New.
18093 (cgraph_add_new_function): New.
18094 * cgraph.h (cgraph_analyze_queue): Declare.
18095 (cgraph_add_new_function): Declare.
18096 (cgraph_lower_function): Remove.
18097 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18098 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18099 and TYPE_P nodes in its default clause.
18100 (empty_body_p): New.
18101 (tree_range_check_failed): New.
18102 (build5_stat): New.
18103 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18104 OMP_CLAUSE_REDUCTION_MERGE,
18105 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18106 OMP_CLAUSE_PRIVATE_DEBUG,
18107 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18108 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18109 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18110 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18111 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18112 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18113 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18114 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18115 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18116 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18117 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18118 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18119 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18120 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18121 (TREE_RANGE_CHECK): New.
18122 (empty_body_p): Declare.
18123 (enum omp_clause_default_kind): New.
18124 (build_string_literal): Declare.
18125 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18126 (build5_stat, build5): Declare.
18127 * tree-pass.h (TDF_CHAIN): Define.
18128 * tree-pass.h (PROP_gimple_lomp): Define.
18129 (pass_lower_omp): Declare.
18130 * diagnostic.h (debug_tree_chain): Declare.
18131 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18133 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18134 * builtins.c (build_string_literal): Make extern.
18135 * gcc.c (include_spec_function): New.
18136 (static_spec_functions): Add it.
18137 (main): Move load of libgomp.spec ...
18138 (LINK_COMMAND_SPEC): ... here.
18139 (link_gomp_spec): New.
18140 (static_specs): Include it.
18141 (LINK_COMMAND_SPEC): Add link_gomp.
18142 (GOMP_SELF_SPECS): New.
18143 (driver_self_specs): Include it.
18144 (switch_matches): Don't mark inline.
18145 (main): Load libgomp.spec.
18146 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18147 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18148 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18149 * tree-gimple.h (enum omp_parallel): Declare.
18150 (determine_parallel_type): Declare.
18151 (omp_firstprivatize_variable): Declare.
18152 (omp_reduction_init): Declare.
18153 (diagnose_omp_structured_block_errors): Declare.
18154 (struct walk_stmt_info): Add want_return_expr.
18155 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18156 (find_omp_clause): Declare.
18157 (insert_field_into_struct): Declare.
18158 (struct walk_stmt_info): Move from tree-nested.c
18159 (walk_stmts): Declare.
18160 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18162 * cgraphunit.c (cgraph_lower_function): Make static.
18163 (cgraph_finalize_pending_functions): New.
18164 (cgraph_finalize_function): Call it.
18165 (cgraph_finalize_compilation_unit): Likewise.
18166 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18167 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18168 (BT_FN_UINT_UINT): New.
18169 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18170 DEF_FUNCTION_TYPE_VAR_4): Document.
18171 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18172 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18173 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18174 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18175 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18176 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18177 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18178 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18179 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18180 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18181 into separate files.
18182 (DEF_GOMP_BUILTIN): New.
18183 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18184 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18185 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18186 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18187 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18188 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18189 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18190 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18191 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18192 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18193 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18194 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18195 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18196 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18197 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18198 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18199 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18200 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18201 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18202 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18203 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18204 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18205 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18206 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18207 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18208 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18209 * sync-builtins.def: New file, moved from builtins.def.
18210 * omp-builtins.def: New file, moved from builtins.def.
18211 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18212 * gimple-low.c (lower_function_body): Clear data.
18213 (lower_stmt): Do not handle COMPOUND_EXPR.
18214 Remove call to print_node_brief.
18215 * c-tree.h (c_finish_omp_clauses): New prototype.
18216 (C_DECL_THREADPRIVATE_P): Define.
18217 (lookup_name_no_remap, c_omp_remap_private): Remove
18218 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18219 (check_for_loop_decls): Update decl.
18220 (lookup_name_no_remap, c_omp_remap_private): Declare.
18221 (build_indirect_ref, build_modify_expr, pushdecl,
18222 pushdecl_top_level): Move to c-common.h.
18223 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18224 before the switch, but just in the 2 places that need it.
18225 * c-decl.c (diagnose_mismatched_decls): Do not check for
18226 mismatched thread-local attributes when OLDDECL is marked
18227 threadprivate and NEWDECL has no thread-local attributes.
18228 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18229 (c_gimple_diagnostics_recursively): Rename from
18230 c_warn_unused_result_recursively. Invoke
18231 diagnose_omp_structured_block_errors.
18232 (check_for_loop_decls): Return a singular decl found.
18233 * langhooks.c (lhd_omp_predetermined_sharing): Return
18234 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18235 (lhd_omp_firstprivatize_type_sizes): New.
18236 (lhd_omp_assignment): New.
18237 (lhd_omp_predetermined_sharing): New.
18238 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18239 (struct lang_hooks_for_types): Add
18240 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18241 omp_predetermined_sharing, omp_disregard_value_expr,
18242 omp_private_debug_clause, omp_clause_default_ctor,
18243 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18244 (c_finish_omp_clauses): New.
18245 (c_finish_bc_stmt): Diagnose break within omp for.
18246 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18247 (build_unary_op): Return error_mark after reporting
18249 (build_modify_expr): Likewise.
18250 * gimplify.c: Include optabs.h and pointer-set.h.
18251 (enum gimplify_omp_var_data): Declare.
18252 (struct gimplify_omp_ctx): Declare.
18253 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18255 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18256 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18257 (splay_tree_compare_decl_uid): New.
18258 (new_omp_context): New.
18259 (delete_omp_context): New.
18260 (gimple_add_tmp_var): Call omp_add_variable.
18261 (gimplify_bind_expr): Likewise.
18262 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18263 true, disregard DECL_VALUE_EXPR on the decl if any.
18264 (gimplify_expr_in_ctx): New.
18265 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18266 omp_add_variable, omp_notice_variable, omp_is_private
18267 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18268 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18269 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18270 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18271 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18272 gimplify_omp_atomic): New.
18273 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18274 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18275 OMP_CRITICAL and OMP_ATOMIC.
18276 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18277 * c-pragma.h (enum pragma_kind): Add
18278 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18279 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18280 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18281 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18282 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18283 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18284 PRAGMA_OMP_THREADPRIVATE.
18285 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18286 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18287 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18288 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18289 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18290 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18291 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18292 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18293 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18294 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18295 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18296 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18297 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18299 (struct nesting_info): Add field_map,
18300 suppress_expansion, debug_var_chain.
18301 (create_nesting_tree): Initialize them.
18302 (lookup_field_for_decl): Use field_map.
18303 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18304 (convert_local_omp_clauses): New.
18305 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18306 (walk_body): Split out of walk_function.
18307 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18308 (convert_nonlocal_reference): Handle omp statements.
18309 (convert_local_reference): Likewise.
18310 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18311 (unnest_nesting_tree): New.
18312 (lower_nested_functions): Call it.
18313 (insert_field_into_struct): Make extern.
18314 (struct walk_stmt_info): Move to tree-gimple.h.
18315 (walk_stmts): Make extern.
18316 * omp-builtins.def: New file.
18317 * tree-iterator.c (expr_only): Clarify comment.
18318 * c-common.h (pushdecl_top_level, pushdecl,
18319 build_modify_expr, build_indirect_ref,
18320 c_finish_omp_master, c_finish_omp_critical,
18321 c_finish_omp_ordered, c_finish_omp_barrier,
18322 c_finish_omp_atomic, c_finish_omp_flush,
18323 c_finish_omp_for, c_split_parallel_clauses,
18324 omp_clause_default_kind, c_omp_sharing_predetermined,
18325 c_omp_remap_decl): Declare.
18326 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18327 (OBJS-common): Add omp-low.o.
18328 (c-omp.o, omp-low.o): Add.
18329 (gimplify.o): Add dependency on $(OPTABS_H).
18330 (GTFILES): Add omp-low.c.
18331 (gt-stringpool.h): Add.
18332 * tree-cfg.c (set_bb_for_stmt): Do not update the
18333 block-to-labels map if we are currently expanding to RTL.
18334 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18336 Handle IDENTIFIER_NODE.
18337 (tree_verify_flow_info): Do not ICE when emitting error
18338 messages about invalid labels.
18339 (dump_function_to_file): Reset CFUN before emitting the body
18341 (debug_function): New.
18342 * passes.c (init_optimization_passes): Schedule
18344 * langhooks-def.h (lhd_omp_predetermined_sharing,
18345 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18347 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18348 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18349 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18350 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18351 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18352 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18353 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18354 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18355 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18356 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18357 (LANG_HOOK_DECLS): Use them.
18359 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18360 Richard Henderson <rth@redhat.com>
18361 Jakub Jelinek <jakub@redhat.com>
18362 Diego Novillo <dnovillo@redhat.com>
18364 * c-parser.c (pragma_omp_clause): Define.
18365 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18366 (c_parser_compound_statement): Likewise.
18367 (c_parser_statement): Likewise.
18368 (c_parser_pragma): Handle omp pragmas.
18369 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18370 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18371 (c_parser_omp_clause_name, check_no_duplicate_clause,
18372 c_parser_omp_variable_list,
18373 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18374 c_parser_omp_clause_copyprivate,
18375 c_parser_omp_clause_default,
18376 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18377 c_parser_omp_clause_lastprivate,
18378 c_parser_omp_clause_nowait,
18379 c_parser_omp_clause_num_threads,
18380 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18381 c_parser_omp_clause_reduction,
18382 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18383 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18384 c_parser_omp_atomic, c_parser_omp_barrier,
18385 c_parser_omp_critical, c_parser_omp_flush,
18386 c_parser_omp_for_loop, c_parser_omp_for,
18387 c_parser_omp_master, c_parser_omp_ordered,
18388 c_parser_omp_sections_scope, c_parser_omp_sections,
18389 c_parser_omp_parallel, c_parser_omp_single,
18390 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18391 * c-pragma.c (init_pragma): Do omp pragma registration here.
18392 * c.opt (fopenmp): New flag.
18394 2006-01-18 Eric Christopher <echristo@apple.com>
18396 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18397 * config/darwin.h (GOMP_SELF_SPECS): Define.
18399 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18401 * rtl.h: Remove the prototype for reg_alloc.
18403 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18406 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18407 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18408 sjlj and dwarf2 exception handling.
18409 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18410 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18411 * pa/pa.c (function_value): Treat complex and vector types as
18413 (function_arg): Likewise. Only pass scalar floats in the floating
18414 point argument registers.
18415 * pa/t-slibgcc-dwarf-ver: New file.
18416 * pa/t-slibgcc-sjlj-ver: New file.
18417 * pa/t-slibgcc-elf-ver: Delete file.
18419 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18421 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18422 unlikely_test_section_p test.
18424 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18426 * mode-switching.c (optimize_mode_switching): Make it static.
18427 * basic-block.h: Remove the prototype for
18428 optimize_mode_switching.
18430 * modulo-sched.c (sms_schedule): Make it static.
18431 * rtl.h: Remove the prototype for sms_schedule.
18433 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18434 * rtl.h: Remove the prototype for gcse_after_reload_main.
18436 * reg-stack.c (reg_to_stack): Make it static.
18437 * rtl.h: Remove the prototype for reg_to_stack.
18439 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18441 * rtl.h: Remove the prototypes for regrename_optimize and
18442 copyprop_hardreg_forward.
18444 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18446 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18447 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18448 Test against the appropriate null constant for the mode.
18449 If 'fixup_overlap' is true, swap the operands if they overlap.
18450 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18451 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18452 alpha_split_tmode_pair and adjust for above change.
18453 * config/alpha/alpha.md (movtf_internal): Adjust call to
18454 alpha_split_tfmode_pair and rely on it to swap the operands.
18455 (movti_internal): New insn and post-reload splitter.
18456 (movti): New expander.
18458 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18460 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18463 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18465 * rtlanal.c (global_reg_mentioned_p_1,
18466 global_reg_mentioned_p): Remove.
18467 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18469 * flow.c (initialize_uninitialized_subregs): Make it static.
18470 * rtl.h: Remove the prototype for
18471 initialize_uninitialized_subregs.
18473 * function.c (instantiate_virtual_regs): Make it static.
18474 * function.h: Remove the prototype for
18475 instantiate_virtual_regs.
18477 * regmove.c (regmove_optimize, combine_stack_adjustments):
18479 * rtl.h: Remove the prototypes for regmove_optimize and
18480 combine_stack_adjustments.
18482 2006-01-17 Roger Sayle <roger@eyesopen.com>
18484 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18485 (size_cost): Encode costs in bytes so that a reg-reg addition is
18486 equivalent to COSTS_N_INSNS(1).
18487 (override_options): Use the size_cost.branch_cost as the default
18488 ix86_branch_cost when optimizing for size.
18490 2006-01-18 Ben Elliston <bje@au.ibm.com>
18492 * Makefile.in (D32PBIT_FUNCS): New.
18493 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18494 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18495 D64PBIT_FUNCS and D128PBIT_FUNCS.
18496 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18497 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18499 (decnumber_dep): Define.
18500 * doc/libgcc.texi (Decimal float library routines): New node.
18501 * config/dfp-bit.h, config/dfp-bit.c: New files.
18503 2006-01-18 Ben Elliston <bje@au.ibm.com>
18505 * expr.c (emit_move_change_mode): Always adjust addresses, not
18506 just during reload. Copy replacements only during reload.
18507 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18508 emit_move_via_integer.
18510 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18512 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18513 instead of $(srcdir) and ${srcdir}.
18515 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18518 PR middle-end/11135
18519 * arm.h (struct machine_function): Add pic_reg.
18520 * arm.c (arm_pic_register): Make unsigned.
18521 (arm_override_options): Only set arm_pic_register if
18522 TARGET_SINGLE_PIC_BASE.
18523 (use_return_insn): Only test for a pic register if it is fixed.
18524 (arm_compute_save_reg0_reg12_mask): Likewise.
18525 (thumb_compute_save_reg_mask): Likewise.
18526 (legitimate_pic_operand): Factor out some known invariants.
18527 (legitimize_pic_address): If we don't have a fixed pic register,
18528 then set up a pseudo in the function entry sequence. Handle the
18529 pic base being in a pseudo.
18530 (arm_load_pic_register): Handle the pic register being in a pseudo.
18531 (arm_expand_prologue): Only set up the pic register if it is fixed.
18532 (thumb_expand_prologue): Likewise.
18533 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18534 (pic_load_addr_based_insn): Likewise.
18535 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18538 2006-01-18 Ben Elliston <bje@au.ibm.com>
18540 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18541 decimal float modes for all floating point registers.
18543 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18544 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18546 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18549 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18550 even when the pointer is not NULL.
18552 2006-01-16 Ian Lance Taylor <ian@airs.com>
18554 * common.opt (ftoplevel-reorder): New option.
18555 * cgraph.c (cgraph_asm_nodes): New global variable.
18556 (cgraph_asm_last_node): New static variable.
18557 (cgraph_order): New global variable.
18558 (cgraph_create_node): Set new order field.
18559 (cgraph_varpool_node): Likewise.
18560 (decide_is_variable_needed): Return true if not
18561 flag_toplevel_reorder.
18562 (cgraph_add_asm_node): New function.
18563 * cgraph.h (struct cgraph_node): Add order field.
18564 (struct cgraph_varpool_node): Add order field.
18565 (struct cgraph_asm_node): Define.
18566 (cgraph_asm_nodes, cgraph_order): Declare.
18567 (cgraph_add_asm_node): Declare.
18568 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18570 (cgraph_varpool_assemble_pending_decls): Call it.
18571 (cgraph_output_pending_asms): New static function.
18572 (cgraph_finalize_compilation_unit): Call it.
18573 (struct cgraph_order_sort): Define.
18574 (cgraph_output_in_order): New static function.
18575 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18576 !flag_toplevel_reorder case.
18577 * c-parser.c: Include "cgraph.h".
18578 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18580 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18581 than -fno-unit-at-a-time.
18582 * doc/invoke.texi (Option Summary): Mention
18583 -fno-toplevel-reorder.
18584 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18585 -funit-at-a-time documentation.
18587 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18588 Kazu Hirata <kazu@codesourcery.com>
18590 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18592 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18594 * Makefile.in (FUNCTION_H): New. Use it instead of
18595 function.h throughout the file.
18596 * function.h: Include tree.h.
18598 2006-01-17 Ben Elliston <bje@au.ibm.com>
18600 * recog.c: Separate some functions with whitespace.
18602 2006-01-16 Richard Henderson <rth@redhat.com>
18604 Merge from gomp branch:
18605 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18606 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18607 and rename from struct inline_data. Rename callee* to dst*;
18608 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18609 transform_new_cfg, transform_return_to_modify, and
18610 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18612 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18613 (copy_decl_for_dup): Remove.
18614 * tree-inline.c (struct inline_data): Move to header.
18615 (insert_decl_map): Export.
18616 (remap_decl): Update for member name changes. Use copy_decl hook.
18617 Allow for replacement to be a non-decl. Remove dead code.
18618 (remap_type_1): Check for existing mapping.
18619 (remap_type): Export.
18620 (remap_decls): Update for member name changes.
18621 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18622 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18623 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18624 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18625 (tree_function_versioning, build_duplicate_type): Likewise.
18626 (copy_body_r): Likewise. Export.
18627 (copy_decl_for_dup): Split into ...
18628 (copy_decl_for_dup_finish, copy_decl_to_var,
18629 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18630 (replace_ref_tree, inlining_p): Remove.
18632 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18634 * ifcvt.c (if_convert): Make it static.
18635 * rtl.h: Remove the prototype for if_convert.
18637 * local-alloc.c (local_alloc): Make it static.
18638 * rtl.h: Remove the prototype for local_alloc.
18640 * loop.c (loop_optimize): Make it static.
18641 * cfgloop.h: Remove the prototype for loop_optimize.
18644 2006-01-16 DJ Delorie <dj@redhat.com>
18646 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18649 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18651 * pa.md: Disparage copies between general and floating-point registers
18652 in 32-bit move patterns.
18654 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18657 * Makefile.in (check-%): Depend on site.exp instead of
18658 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18661 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18663 * global.c (global_alloc): Make it static.
18664 * rtl.h: Remove the prototype for global_alloc.
18666 2006-01-16 Richard Guenther <rguenther@suse.de>
18668 * tree-ssa-alias.c (struct used_part): Add write_only field.
18669 (get_or_create_used_part_for): Initialize it to true.
18670 (create_overlap_variables_for): Don't create structure variables
18671 for structures that only are written to.
18672 (find_used_portions): Handle MODIFY_EXPR to track whether a
18673 structure is only written to.
18675 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18677 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18679 * basic-block.h: Remove the prototype for
18680 partition_hot_cold_basic_blocks.
18682 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18684 * cppspec.c (lang_specific_spec_functions): Remove.
18685 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18686 * gcc.h (lang_specific_spec_functions): Remove.
18687 * gccspec.c (lang_specific_spec_functions): Remove.
18689 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18691 * combine.c (record_value_for_reg): Invalidate registers
18693 (record_dead_and_set_regs_1): Likewise, by passing them to
18694 record_value_for_reg.
18695 (record_dead_and_set_regs): Invalidate stores made by a
18696 call. We do not combine across a call, but we still
18697 relied on equivalences.
18699 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18701 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18702 vrp_int_const_binop returning non-constant nodes.
18704 2006-01-16 Paul Brook <paul@codesourcery.com>
18706 * config/m68k/m68k.c (output_move_const_into_data_reg):
18707 Output correct mnemonic for mvz and mvs.
18709 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18711 * rtl-factoring.c: Add sequence abstraction algorithm.
18712 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18713 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18715 (block_has_preserve_label): New function.
18716 * common.opt: Register new pass.
18717 * Makefile.in: Ditto.
18719 * timevar.def: Ditto.
18720 * tree-pass.h: Ditto.
18721 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18722 * rtl.h (make_jump_insn_raw): Add forward decl.
18723 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18725 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18726 Roger Sayle <roger@eyesopen.com>
18728 * fold-const.c (fold_minmax): New static function.
18729 (fold_binary) <MIN_EXPR>: Call it.
18730 <MAX_EXPR>: Likewise.
18731 * stor-layout.c (place_field): Use DECL_SIZE consistently
18732 in the computation of the new record size.
18734 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18736 * cse.c (cse_condition_code_reg): Make it static.
18737 * rtl.h: Remove the prototype for cse_condition_code_reg.
18739 * combine.c (combine_instructions): Make it static.
18740 * rtl.h: Remove the prototype for combine_instructions.
18742 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18745 * tree.c (get_file_function_name_long): Concatenate the first global
18746 object name with a string derived from the input filename of the object
18749 2006-01-16 Ben Elliston <bje@au.ibm.com>
18751 * config/i386/winnt-stubs.c: Update FSF address.
18752 * config/xtensa/ieee754-df.S: Ditto.
18753 * config/xtensa/ieee754-sf.S: Ditto.
18755 2006-01-14 Ian Lance Taylor <ian@airs.com>
18757 * ifcvt.c (noce_init_if_info): New static function, broken out of
18758 noce_process_if_block.
18759 (noce_process_if_block): Call noce_init_if_info.
18760 (check_cond_move_block): New static function.
18761 (cond_move_process_if_block): New static function.
18762 (process_if_block): Call cond_move_process_if_block.
18764 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18766 * cselib.c (hash_table): Rename to cselib_hash_table.
18767 (cselib_clear_table, discard_useless_values,
18768 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18769 cselib_init, cselib_finish): Adjust uses of hash_table.
18771 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18773 PR tree-optimization/25485
18774 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18775 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18776 is known to be false and true, respectively.
18778 2006-01-14 Richard Guenther <rguenther@suse.de>
18780 PR tree-optimization/22548
18781 PR tree-optimization/22555
18782 PR tree-optimization/22501
18783 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18784 * params.def (salias-max-array-elements): New parameter.
18785 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18786 * doc/invoke.texi (salias-max-array-elements): Document.
18787 * tree-flow-inline.h (var_can_have_subvars): We also handle
18789 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18791 * tree-ssa-structalias.c (params.h): Include.
18792 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18793 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18794 (get_constraint_for): For ADDR_EXPR operating on something
18795 containing an ARRAY_REF, add all subvars to the solution.
18796 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18797 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18798 for creating MUST_DEFs.
18799 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18801 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18803 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18805 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18806 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18807 number_of_iterations_le): New functions.
18808 (number_of_iterations_special): Removed.
18809 (number_of_iterations_exit): Do not use number_of_iterations_special.
18810 * tree.c (unsigned_type_for): Always return integer type.
18812 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18813 Richard Guenther <rguenther@suse.de>
18815 PR rtl-optimization/24257
18816 * gcse.c (find_moveable_store): Only consider a store movable
18817 when the SET_SRC of the insn can be assigned to a register.
18819 2006-01-14 Ian Lance Taylor <ian@airs.com>
18821 * tree.c (tree_not_class_check_failed): New function.
18822 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18823 (tree_not_class_check_failed): Declare.
18825 2006-01-13 Ian Lance Taylor <ian@airs.com>
18827 * reload1.c (do_output_reload): Add assertion rejecting a
18830 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18832 * combine.c (struct reg_stat): Add new fields truncation_label and
18834 (record_value_for_reg): Reset truncated_to_mode.
18835 (record_truncated_value): New function.
18836 (check_promoted_subreg): Call it. Rename to check_conversions.
18837 (combine_instructions): Rename check_promoted_subreg to
18839 (reg_truncated_to_mode): New function.
18840 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18841 (gen_lowpart_or_truncate): New function.
18842 (force_to_mode): Use it instead of gen_lowpart.
18844 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18846 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18847 VAR is a tag, not its type tag.
18849 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18851 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18852 alternatives to match style of other entries.
18853 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18855 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18857 PR tree-optimization/25771
18858 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18861 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18864 * tree-inline.c (declare_return_variable): If the return variable
18865 was marked as a non gimple complex, set the return slot variable
18866 to be a non gimple comple variable.
18868 2006-01-13 Richard Guenther <rguenther@suse.de>
18870 * builtins.c (expand_builtin_sincos): New function.
18871 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18873 (expand_builtin): Expand sincos using expand_builtin_sincos.
18875 2006-01-12 DJ Delorie <dj@redhat.com>
18877 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18878 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18879 so that constant shifts can be split.
18880 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18881 (m32c_valid_pointer_mode): Make static.
18882 (shift_gen_func_for): New.
18883 (m32c_prepare_shift): Use it. Split large const shifts into
18885 * config/m32c/predicates.md (shiftcount_operand): Allow more
18887 (longshiftcount_operand): New.
18888 * doc/md.texi (Machine Constraints): Document In6.
18890 2006-01-13 Ben Elliston <bje@au.ibm.com>
18892 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18893 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18896 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18898 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18899 to try to avoid clobbering pieces of structures when we know
18900 something about the whole structure.
18901 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18903 2006-01-13 Ben Elliston <bje@au.ibm.com>
18905 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18906 return in memory, as this is no limitation is no longer present.
18908 2006-01-12 DJ Delorie <dj@redhat.com>
18910 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18911 mova with fb, and for fb+0 -> An.
18913 * config/m32c/mov.md (peephole2): Fix enabling logic.
18915 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18916 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18917 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18918 FINI_ARRAY_SECTION_ASM_OP): Define.
18920 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18922 (m32c_legitimize_reload_address): New logic to reload FB to An.
18923 (m32c_output_reg_push): Add newline.
18924 (m32c_output_reg_pop): Likewise.
18926 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18928 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18930 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18932 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18934 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18936 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18939 2006-01-11 Ben Elliston <bje@au.ibm.com>
18941 * rtlanal.c (find_reg_note): Assert insn is not null.
18943 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18945 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18948 2006-01-11 Jeff Law <law@redhat.com>
18950 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18952 (mark_threaded_blocks, register_jump_thread): New functions.
18953 (thread_through_all_blocks): Remove unwanted argument. No
18954 longer rely on e->aux to communicate thread target info.
18955 Call mark_threaded_blocks. Release the threaded_blocks
18956 bitmap and threaded_edges vector when complete.
18957 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18958 (threaded_blocks): Remove.
18959 (tree_ssa_dominator_optimize): Remove initialization and
18960 finalization of threaded_blocks. Simplify call to
18961 thread_through_all_blocks.
18962 (thread_across_edge): Call register_jump_thread rather than
18963 storing thread information into e->aux.
18964 (free_all_edge_infos): Simplify now that e->aux is no longer
18965 used to communicate with thread_through_all_blocks.
18966 * tree-flow.h (thread_through_all_blocks): Update prototype.
18967 (register_jump_thread): Prototype.
18969 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18971 * df-core.c (df_compact_blocks, df_bb_replace): Use
18972 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18974 2006-01-11 Richard Guenther <rguenther@suse.de>
18976 PR tree-optimization/25734
18977 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18978 stop propagation after successful propagation to the LHS.
18980 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18982 * basic-block.h (control_flow_graph): Change the type of
18983 x_basic_block_info to VEC(basic_block,gc) *.
18984 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
18986 (SET_BASIC_BLOCK): New.
18987 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
18988 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
18989 * cfgbuild.c (find_basic_blocks): Likewise.
18990 * cfglayout.c (fixup_reorder_chain): Likewise.
18991 * cfgrtl.c (create_basic_block_structure,
18992 rtl_create_basic_block): Likewise.
18993 * ifcvt.c (find_if_case_1): Likewise.
18994 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
18997 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18999 * Makefile.in: Removed rotted odf.c entry.
19001 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19004 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19005 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19006 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19007 output pattern modifier, not %e.
19008 * config/cris/cris.c (cris_op_str): Update comment about pattern
19010 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19011 before falling through into...
19012 <case 'E'>: Redefined from old 'e' case.
19014 2006-01-11 Jan Hubicka <jh@suse.cz>
19017 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19019 2006-01-11 Jan Hubicka <jh@suse.cz>
19021 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19022 * i386.c (x86_decompose_lea): Kill.
19023 (ix86_rtx_costs): Kill.
19025 2006-01-11 Jan Hubicka <jh@suse.cz>
19027 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19028 * cgraph.h (cgraph_node): Add inline_decl.
19029 (cgraph_insert_node_to_hashtable): Declare.
19030 (save_inline_function_body): Declare.
19031 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19033 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19034 (cgraph_function_versioning): Update call of tree_function_versioning.
19035 (save_inline_function_body): New function.
19036 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19037 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19038 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19039 (cgraph_default_inline_p): Likewise.
19040 (cgraph_decide_inlining_incrementally): Likewise.
19041 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19042 (copy_bb): Kill saving; do updating of clones.
19043 (copy_cfg_body): Kill saving.
19044 (initialize_inlined-parameters): Likewise.
19045 (expand_call_inline): Likewise.
19047 (tree_function_versioning): New parameter "update_clones".
19048 (inlining_p): Kill saving.
19049 * tree-inline.h (tree_function_versioning): Update prototype.
19050 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19053 2006-01-11 Ian Lance Taylor <ian@airs.com>
19055 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19056 Allow undoing set of machine mode.
19057 (do_SUBST): Use enums instead of is_int.
19058 (do_SUBST_MODE): New function.
19059 (SUBST_MODE): New macro.
19060 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19061 reg and trying to replace reg_regno_rtx with a new register.
19062 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19063 (simplify_set): Use SUBST_MODE.
19064 (distribute_notes): Remove code that tried to update reg notes
19065 for regno_reg_rtx changes.
19067 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19069 PR tree-optimization/23109
19070 PR tree-optimization/23948
19071 PR tree-optimization/24123
19073 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19074 * tree-cfg.c (single_noncomplex_succ): New.
19075 * tree-flow.h (single_noncomplex_succ): Declare it.
19076 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19077 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19078 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19079 insert_bb, register_division_in, insert_reciprocals,
19080 replace_reciprocal, free_bb): New.
19081 (execute_cse_reciprocals_1): Rewritten.
19082 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19083 Do not commit any edge insertion. Always compute dominators and
19084 create the allocation pool.
19085 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19086 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19087 * targhooks.c (default_min_divistions_for_recip_mul): New.
19088 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19089 * passes.c (init_optimization_passes): Run recip after tree loop
19091 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19093 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19094 Kenneth Zadeck <zadeck@naturalbridge.com>
19096 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19097 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19098 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19099 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19100 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19101 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19102 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19103 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19104 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19105 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19106 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19107 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19108 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19109 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19110 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19111 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19112 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19113 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19114 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19115 DF_SCAN_POST_ALLOC): New macros.
19116 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19117 df_free_bb_function, df_local_compute_function, df_init_function,
19118 df_dataflow_function, df_confluence_function_0,
19119 df_confluence_function_n, df_transfer_function,
19120 df_finalizer_function, df_free_function, df_dump_problem_function,
19121 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19122 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19123 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19124 df_urec_bb_info, ) New types.
19125 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19127 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19128 df_analyze_simple_change_some_blocks,
19129 df_analyze_simple_change_one_block, df_compact_blocks,
19130 df_bb_replace, df_bb_regno_last_use_find,
19131 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19132 df_insn_regno_def_p, df_find_def, df_find_use,
19133 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19134 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19135 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19136 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19137 debug_df_chain, df_get_dependent_problem, df_chain_create,
19138 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19139 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19140 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19141 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19142 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19143 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19144 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19145 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19146 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19147 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19148 df_reorganize_refs, df_set_state, df_hard_reg_init,
19149 df_read_modify_subreg_p) New public functions.
19150 * df-core.c: The core dataflow solver and glue routines for rtl
19152 (df_init, df_add_problem, df_set_blocks, df_finish,
19153 df_hybrid_search_forward, df_hybrid_search_backward,
19154 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19155 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19156 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19157 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19158 df_reg_defined, df_find_use, df_reg_used, df_dump,
19159 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19160 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19161 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19162 debug_df_useno, reset_df_after_reload): New functions.
19163 * df-scan.c: The scanning fuctions, once in df.c, completely
19164 rewritten so that they now fully model the functionality of
19165 register usage at the backend.
19166 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19167 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19168 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19169 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19170 df_get_artificial_defs, df_get_artificial_uses,
19171 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19172 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19173 df_refs_delete, df_reorganize_refs, df_set_state,
19174 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19175 df_def_record_1, df_defs_record, df_uses_record,
19176 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19177 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19178 df_record_exit_block_uses, df_hard_reg_init): New functions.
19180 * df-problems.c: Seven concrete dataflow problems that use the
19181 scanning in df-scan.c and are solved by the engine in df-core.c.
19182 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19183 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19184 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19185 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19186 df_ru_free_bb_info, df_ru_alloc,
19187 df_ru_bb_local_compute_process_def,
19188 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19189 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19190 df_ru_transfer_function, df_ru_free, df_ru_dump,
19191 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19192 df_rd_free_bb_info, df_rd_alloc,
19193 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19194 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19195 df_rd_transfer_function, df_rd_free, df_rd_dump,
19196 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19197 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19198 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19199 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19200 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19201 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19202 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19203 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19204 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19205 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19206 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19207 df_urec_mark_reg_use_for_earlyclobber,
19208 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19209 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19210 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19211 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19212 df_chain_create_bb_process_use, df_chain_create_bb,
19213 df_chain_finalize, df_chain_free, df_chains_dump,
19214 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19215 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19216 df_reg_lifetime): New functions.
19217 * df.c: Deleted file.
19218 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19219 consistent with new df api.
19220 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19221 rest_of_handle_sms): Ditto.
19222 * web.c (unionfind_union, union_defs, entry_register, web_main):
19224 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19225 invariant_expr_equal_p, find_defs, check_dependencies,
19226 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19227 free_inv_motion_data, move_loop_invariants): Ditto.
19228 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19229 Update dependencies.
19230 (odf.c): Added defective entry that was deleted later in day.
19231 * sched-deps.c (sched_analyze_1): Ditto.
19233 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19235 * tree-ssa-operands.c (get_expr_operands): Record addressable
19236 variables directly. Do not call add_stmt_operands for CONST_DECLs
19238 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19239 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19241 2006-01-11 Ben Elliston <bje@au.ibm.com>
19243 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19244 function returns true in the positive case.
19246 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19249 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19250 for SI, DI, SF and DF modes. Add alternatives to copy between
19251 general and floating point registers to the 32-bit patterns.
19252 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19253 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19254 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19255 generating 64-bit code.
19256 * config/pa/pa.c (output_move_double): Handle copies between general
19257 and floating registers.
19259 2006-01-10 Stuart Hastings <stuart@apple.com>
19261 * config/i386/i386.md (set_got): Update.
19262 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19263 (builtin_setjmp_receiver): Mach-O support.
19264 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19265 (GOT_SYMBOL_NAME): Define.
19266 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19267 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19268 * config/i386/i386.c (override_options): Revise for Darwin.
19269 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19270 support. (darwin_x86_file_end): New. (output_set_got): Add label
19271 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19272 * config/i386/i386-protos.h (output_set_got): Likewise.
19273 * config/darwin.c (machopic_legitimize_pic_address): Update
19276 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19278 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19279 when MODE isn't BLKmode.
19281 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19283 PR rtl-optimization/25367
19284 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19286 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19289 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19290 for a negative bound.
19292 2006-01-10 Richard Guenther <rguenther@suse.de>
19294 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19295 Never override with anything constraint.
19297 2006-01-10 Jan Beulich <jbeulich@novell.com>
19299 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19300 256 bits when optimize_size.
19302 2006-01-10 Jan Beulich <jbeulich@novell.com>
19304 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19306 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19307 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19310 2006-01-10 Ben Elliston <bje@au.ibm.com>
19312 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19314 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19315 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19316 (USE_FP_FOR_ARG): Reject decimal float modes.
19317 (function_arg_advance): Likewise.
19318 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19319 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19320 point types in AltiVec vectors.
19321 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19322 (rs6000_libcall_value): Likewise.
19324 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19326 * config/xtensa/ieee754-df.S: New file.
19327 * config/xtensa/ieee754-sf.S: New file.
19328 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19329 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19330 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19332 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19334 * config/sh/predicates.md (binary_float_operator,
19335 binary_logical_operator, commutative_float_operator,
19336 equality_comparison_operator, greater_comparison_operator,
19337 less_comparison_operator, logical_operator,
19338 noncommutative_float_operator, shift_operator,
19339 symbol_ref_operand, unary_float_operator): Remove redundant
19342 2006-01-09 Jeff Law <law@redhat.com>
19344 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19345 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19346 now unused arguments. Callers updated.
19347 (eliminate_redundant_computations): Remove now unused arguments,
19349 (local_fold): Remove, no longer used.
19350 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19352 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19353 (simplify_cond): New function.
19354 (forward_propagate_into_cond): Call simplify_cond.
19356 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19358 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19359 (*vec_extractv2di_1_sse): New.
19361 2006-01-09 Ben Elliston <bje@au.ibm.com>
19363 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19365 2006-01-08 Richard Guenther <rguenther@suse.de>
19367 * tree-ssa-structalias.c (get_constraint_for): Remove
19368 anyoffset argument.
19369 (get_constraint_for_component_ref): Likewise.
19370 (do_deref): Likewise.
19371 (get_constraint_for): Likewise.
19372 (do_structure_copy): Likewise.
19373 (handle_ptr_arith): Likewise.
19374 (find_func_aliases): Likewise. Remove unused need_anyoffset
19377 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19378 Kaz Kojima <kkojima@gcc.gnu.org>
19380 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19381 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19382 (EXTRA_CONSTRAINT_C16): Remove.
19383 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19384 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19385 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19386 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19387 constants of SHmedia. Handle nested constant expressions of
19389 (andcosts): Fix the costs for SHmedia constants.
19390 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19391 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19392 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19393 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19394 (movv4hi_i, movv2si_i): Likewise.
19395 (movsi_const): Adjust the second operand of ior so to match with
19396 the Csu constraint.
19397 (movdi_const, movdi_const_32bit): Likewise.
19398 (movdi_const_16bit+1): Don't sign-extend LOW.
19399 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19401 (*double_shori): Fix the split condition. Use GEN_INT instead
19402 of get_int_mode calls. Mask lower 16-bit of the argument of
19404 (sym2GOTPLT): Remove.
19405 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19407 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19408 instead of EXTRA_CONSTRAINT_C16.
19410 2006-01-07 Ian Lance Taylor <ian@airs.com>
19411 David Edelsohn <edelsohn@gnu.org>
19413 PR rtl-optimization/25662
19414 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19415 for constant operands instead of simplify_gen_binary.
19416 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19417 after trying simplify_binary_operation
19419 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19421 * tree.c (iterative_hash_expr): Hash decls based on UID.
19423 2006-01-06 Eric Christopher <echristo@apple.com>
19425 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19426 (TARGET_UNWIND_EMIT): Fix spelling.
19427 * target.h (gcc_target): Add except_table_label.
19428 * except.c (output_function_exception_table): Use.
19429 * varasm.c (default_emit_except_table_label): New.
19430 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19432 (asm_out): Add here.
19433 * output.h (default_emit_except_table_label): Prototype.
19434 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19435 * config/darwin.c (darwin_emit_except_table_label): Define.
19436 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19438 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19440 PR tree-optimization/18527
19441 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19442 number_of_iterations_special, number_of_iterations_exit):
19443 Move base and step of an iv to a single structure. Add
19444 no_overflow flag, and use it in # of iterations analysis.
19445 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19446 folded_casts argument.
19447 (simple_iv): Pass base and step in a structure. Set no_overflow
19449 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19450 Evaluate expensiveness of computing # of iterations instead of
19451 the final expression.
19452 * tree-scalar-evolution.h (affine_iv): New structure.
19453 (simple_iv): Declaration changed.
19454 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19455 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19456 find_givs_in_stmt): Changed due to simple_iv change.
19458 2006-01-06 Jeff Law <law@redhat.com>
19461 * tree-cfg.c (bsi_replace): Rename final argument from
19462 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19463 change (stmt -> orig_stmt).
19464 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19465 (bsi_remove): Add new argument. Remove EH information
19467 (verify_eh_throw_table_statements): New function.
19468 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19470 * tree-optimize.c (execute_free_cfg_annotations): Verify
19471 the EH throw statement table after removing annotations.
19472 * except.h (verify_eh_throw_table_statements): Prototype.
19473 * tree-flow.h (bsi_remove): Update prototype.
19474 * tree-vrp.c (remove_range_assertions): Add new argument to
19476 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19477 * tree-complex.c (expand_complex_div_wide): Likewise.
19478 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19479 * tree-tailcall.c (eliminate_tailcall): Likewise.
19480 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19481 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19482 * tree-nrv.c (tree_nrv): Likewise.
19483 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19484 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19485 (combine_blocks): Likewise.
19486 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19487 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19488 (cleanup_control_flow): Likewise.
19489 (remove_forwarder_block): Likewise.
19490 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19491 * tree-sra.c (sra_replace): Likewise.
19492 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19493 (forward_propagate_single_use_vars): Likewise.
19494 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19495 * tree-inline.c (expand_call_inline): Likewise.
19496 * tree-vect-transform.c (vect_transform_loop): Likewise.
19497 * tree-outof-ssa.c (rewrite_trees): Likewise.
19498 * tree-cfg.c (make_goto_expr_edges): Likewise.
19499 (cleanup_dead_labels): Likewise.
19500 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19501 (bsi_move_before, bsi_move_after): Likewise.
19502 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19503 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19505 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19508 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19510 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19511 on non gimple variables. Also add checks at the top for decls and
19513 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19515 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19516 and IMAGPART_EXPR for creating MUST_DEFs.
19517 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19518 and NAME_MEMORY_TAG separately from the DECLs.
19520 2006-01-06 Richard Guenther <rguenther@suse.de>
19522 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19523 annotation, if necessary.
19524 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19525 redundant calls to update_stmt.
19526 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19529 2006-01-05 Richard Henderson <rth@redhat.com>
19531 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19533 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19535 * c-typeck.c: Update copyright date.
19537 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19539 * c-typeck.c (build_c_cast): Always warn when casting
19540 from a pointer to an integer of different size, even if
19541 the node was constant.
19543 2006-01-05 Richard Guenther <rguenther@suse.de>
19545 PR tree-optimization/22555
19546 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19547 if one structure field is an array.
19548 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19549 operands even if we found a subvar, but ignore VOPs in this
19551 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19553 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19555 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19557 PR middle-end/24998
19558 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19560 2006-01-05 Richard Guenther <rguenther@suse.de>
19561 Diego Novillo <dnovillo@redhat.com>
19563 * tree-pass.h (TODO_remove_unused_locals): Define.
19564 * gimple-low.c (expand_var_p, remove_useless_vars,
19565 pass_remove_useless_vars): Remove. Update all users.
19566 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19567 (remove_unused_locals): New function.
19568 * tree-flow.h (remove_unused_locals): Declare.
19569 * passes.c (execute_todo): Call remove_unused_locals if
19570 TODO_remove_unused_locals is set.
19571 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19572 * tree-ssa-dce.c (pass_dce): Likewise.
19573 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19575 2006-01-05 Richard Guenther <rguenther@suse.de>
19577 * tree-flow.h (struct fieldoff): Decompose field to
19578 type, size and decl.
19579 * tree-ssa-alias.c (create_sft): Take type as parameter.
19580 (create_overlap_variables_for): Store type, size and decl
19581 in the fieldoff structure.
19582 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19583 of struct fieldoff.
19584 (push_fields_onto_fieldstack): Likewise.
19585 (create_variable_info_for): Likewise. Use offset for the
19586 SFT name if the decl is not available.
19588 2006-01-04 Paul Brook <paul@codesourcery.com>
19590 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19592 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19594 * lambda-code.c (can_put_in_inner_loop): Relax
19596 (can_put_after_inner_loop): New function.
19597 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19598 (perfect_nestify): Change to make copies and modify uses.
19600 2006-01-04 Richard Henderson <rth@redhat.com>
19602 Merge from gomp branch:
19603 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19604 via integer constant.
19605 (pragma_lex): Remove.
19606 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19607 rather than parsing it.
19608 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19609 handle_pragma_extern_prefix): Add %< %> quotes.
19610 (registered_pragmas): New.
19611 (c_register_pragma_1): New.
19612 (c_register_pragma): Use it.
19613 (c_register_pragma_with_expansion): Likewise.
19614 (c_invoke_pragma_handler): New.
19615 (init_pragma): Use cpp_register_deferred_pragma directly for
19617 * c-pragma.h (enum pragma_kind): New.
19618 (pragma_handler): New.
19619 (c_invoke_pragma_handler): Declare.
19620 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19622 * c-common.h (c_common_pch_pragma): Update decl.
19623 * Makefile.in (c-parser.o): Update dependencies.
19624 (GTFILES): Add c-pragma.h.
19625 * c-parser.c (struct c_token): Add pragma_kind.
19626 (struct c_parser): Add in_pragma.
19627 (c_lex_one_token): Always initialize keyword and pragma_kind.
19628 Extract data for CPP_PRAGMA.
19629 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19630 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19631 Don't allow CPP_PRAGMA_EOL if in_pragma.
19632 (c_parser_consume_pragma): New.
19633 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19634 (c_parser_skip_to_end_of_parameter): Likewise.
19635 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19636 (c_parser_skip_to_pragma_eol): New.
19637 (c_parser_external_declaration): Handle CPP_PRAGMA.
19638 (c_parser_compound_statement_nostart): Likewise.
19639 (c_parser_statement_after_labels): Likewise.
19640 (c_parser_pragma): New.
19641 (pragma_lex): Likewise.
19642 (c_parser_pragma_pch_preprocess): New.
19643 (c_parser_new): Merge into ...
19644 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19646 2006-01-04 Jeff Law <law@redhat.com>
19649 * tree-cfg.c (bsi_replace): Remove the original statement
19650 from the EH throw statement table.
19652 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19654 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19655 make the prototype extern "C" and add throw ().
19658 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19659 and pos non-negative and pos + len <= 32.
19660 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19661 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19662 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19665 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19666 as well as sizes not multiple of component size.
19669 * function.c (instantiate_expr): New function.
19670 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19671 walk its DECL_VALUE_EXPR with instantiate_expr.
19673 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19674 DW_OP_deref{,_size} if address isn't going to be added.
19676 2006-01-04 Ben Elliston <bje@au.ibm.com>
19678 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19679 * config/fp-bit.c: Likewise.
19681 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19683 * dominance.c: Add comment about why we use DFS numbering
19686 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19687 Richard Henderson <rth@redhat.com>
19689 Merge from gomp-branch:
19690 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19691 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19693 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19695 PR rtl-optimization/25578
19696 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19697 pass a parameter to simplify_shift_const if changing ASHIFTRT
19700 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19702 * builtins.c (get_builtin_sync_mem): New function.
19703 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19704 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19705 Call get_builtin_sync_mem to generate mem rtx.
19707 2006-01-03 Richard Guenther <rguenther@suse.de>
19710 * stmt.c (add_case_node): Make sure to clear overflow flags
19713 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19715 Merge from gomp-branch.
19716 * config/sparc/sync.md: New file.
19717 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19718 UNSPECV_LDSTUB): New constants.
19719 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19720 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19721 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19724 2006-01-03 Roger Sayle <roger@eyesopen.com>
19726 * combine.c (reg_subword_p): New predicate to test whether the
19727 destination of a set refers to a subword/piece of a register.
19728 (try_combine): Generalize the code to merge the setting of a
19729 pseudo to a constant followed by a set of a subword of that
19730 register to a constant.
19732 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19734 * basic-block.h (control_flow_graph): Change the type of
19735 x_label_to_block_map to VEC(basic_block,gc) *.
19736 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19737 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19739 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19740 VEC(basic_block,heap) *.
19741 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19742 ssa_prop_fini): Adjust the uses of cfg_blocks.
19744 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19746 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19748 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19749 hashing trees instead of a pointer hash.
19750 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19751 compare for MEM_EXPR.
19753 PR rtl-optimization/25130
19754 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19755 when comparing MEMs for GCSE
19757 2006-01-03 Ben Elliston <bje@au.ibm.com>
19759 * targhooks.h (default_decimal_float_supported_p): Declare.
19760 * targhooks.c (default_decimal_float_supported_p): Define.
19761 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19762 `default_decimal_float_supported_p'.
19763 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19765 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19767 * combine.c (apply_distributive_law <SUBREG>): Check
19768 TRULY_NOOP_TRUNCATION.
19770 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19772 * dwarf2out.c (have_switched_text_section): Delete.
19773 (have_multiple_function_sections): New.
19774 (have_location_lists): Make 'bool'.
19775 (add_AT_loc_list): Use 'true' not '1'.
19776 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19777 (output_loc_list): Use have_multiple_function_sections.
19778 (output_ranges): Likewise.
19779 (dwarf2out_begin_function): Set have_multiple_function_sections if
19781 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19782 Check function_section rather than DECL_SECTION_NAME.
19783 (dwarf2out_finish): Use have_multiple_function_sections.
19784 Don't clear have_location_lists.
19786 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19787 Jan Hubicka <jh@suse.cz>
19789 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19790 case of conditional jump jumping to the next instruction.
19791 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19792 cases of conditional jump jumping to the next instruction.
19794 2006-01-02 Jan Hubicka <jh@suse.cz>
19796 * i386.c (*_cost): Add COSTS_N_INSNS.
19797 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19799 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19802 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19804 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19806 * config/arm/arm.c (all_fpus): Fix comment typo.
19807 * config/darwin.c: Likewise.
19808 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19809 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19810 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19812 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19814 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19815 (rs6000_split_compare_and_swapqhi): New.
19816 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19817 (sync_compare_and_swapqhi_internal): New.
19818 * config/rs6000/rs6000-protos.h: Declare.