1 2006-11-28 Richard Guenther <rguenther@suse.de>
3 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
4 unsigned long for printing OBJECT_SIZE.
6 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
8 * alias.c (init_alias_analysis): Remove simplification loop
9 after propagating pointers.
11 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
13 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
16 2006-11-27 Bob Wilson <bob.wilson@acm.org>
18 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
20 2006-11-27 Roger Sayle <roger@eyesopen.com>
21 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
23 * c-common.c (constant_fits_type_p): Delete.
24 (unsigned_conversion_warning): Delete.
25 (conversion_warning): Integrate Wconversion warning from
26 unsigned_conversion_warning.
27 (convert_and_check): Integrate Woverflow warning from
28 unsigned_conversion_warning. Reorganize and simplify to avoid
29 dependence upon the middle-end setting TREE_OVERFLOW on integral
30 conversions, by using int_fits_type_p directly.
32 2006-11-27 Tobias Burnus <burnus@net-b.de>
34 * doc/invoke.texi: Fixed typo.
36 2006-11-27 Michael Matz <matz@suse.de>
37 Andreas Krebbel <krebbel1@de.ibm.com>
40 * config/s390/predicates.md (larl_operand): Check addend of larl
41 operand to be in range of -/+2GB.
42 * config/s390/s390.c (legitimize_pic_address): Likewise.
43 Changed type of variable even to HOST_WIDE_INT.
45 2006-11-27 Jan Hubicka <jh@suse.cz>
47 * expr.c (emit_block_move_via_libcall): Export.
48 (clear_storage_via_libcall): Rename to ...
49 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
50 (clear_storage): Update to set_storage_via_libcall.
51 * expr.h (emit_block_move_via_libcall): Declare
52 * config/i386/i386.h (stringop_alg): New enum.
53 (MAX_STRINGOP_ALGS): New constant.
54 (stringop_algs): New struct.
55 (processor_costs): Add memcpy/memset descriptors.
56 (TARGET_REP_MOVEL_OPTIMAL): Remove.
57 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
58 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
60 * config/i386/i386.opt (minline-stringops-dynamically,
61 mstringop-strategy): New
63 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
64 (ix86_expand-clrmem): Rename to ...
65 (ix86_expand_setmem): ... this one; update prototype.
66 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
67 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
68 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
69 nocona_cost, core2_cost, generic_cost, generic64_cost,
70 generic32_cost): Add memcpy/memset descriptors.
71 (x86_rep_movl_optimal): Remove.
72 (stringop_alg): New static variable.
73 (ix86_expand_aligntest): Handle predictions.
74 (override_options): Add strgop_alg handling.
75 (predict_jump): New function.
76 (scale_counter): New function.
77 (expand_set_or_movmem_via_loop): New function.
78 (expand_movmem_via_rep_mov): New function.
79 (expand_setmem_via_rep_stots): New function.
80 (emit_strmov): New function.
81 (expand_movmem_epilogue): New function.
82 (expand_setmem_epilogue_via_loop): New function.
83 (expand_setmem_epilogue): New function.
84 (expand_movmem_prologue): New function.
85 (expand_setmem_prologue): New function.
86 (decide_alg): New function.
87 (decide_alignment): New function.
88 (ix86_exand_movmem): Rewrite.
89 (promote_duplicated_reg): New function.
90 (ix86_expand_clrmem): Rename to ...
91 (ix86_expand_setmem): ... this one. Rewrite.
93 * invoke.texi (minline-stringops-dynamically): New command line option.
94 (mstringop-strategy): Likewise.
96 2006-11-27 Jan Hubicka <jh@suse.cz>
98 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
99 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
100 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
101 * insn-notes.def (FUNCTION_END): Remove.
102 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
103 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
105 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
106 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
107 * cfglayout.c (duplicate_insn_chain): Don't worry about
110 2006-11-27 Richard Guenther <rguenther@suse.de>
111 Zdenek Dvorak <dvorakz@suse.cz>
113 * target.h (struct gcc_target): Add builtin_vectorized_function
115 * target-def.h (TARGET_VECTORIZE): Likewise.
116 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
117 Document new target hook.
118 * targhooks.h (default_builtin_vectorized_function): Declare.
119 * targhooks.c (default_builtin_vectorized_function): Define.
120 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
121 (vectorizable_call): Declare.
122 * tree-vect-analyze.c (vect_analyze_operations): Call
124 * tree-vect-transform.c (vectorizable_function): New static function.
125 (build_vectorized_function_call): Likewise.
126 (vectorizable_call): New function.
127 (vect_transform_stmt): Handle vectorizable calls.
129 2006-11-27 Richard Guenther <rguenther@suse.de>
132 * builtins.c (expand_builtin_pow): Optimize non integer valued
133 constant exponents using sqrt or cbrt if possible. Always fall back
134 to expanding via optabs.
136 2006-11-27 Ira Rosen <irar@il.ibm.com>
138 PR tree-optimization/22372
139 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
140 the type of the base address.
141 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
142 it in the data-ref pointer creation.
143 (vect_init_vector): Add an argument, type of the init vector. Use it in
145 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
146 (get_initial_def_for_reduction): Likewise.
147 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
149 (vectorizable_assignment, vect_permute_store_chain): Likewise.
150 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
151 correct type in stmt creation.
152 (vect_setup_realignment): Use the correct type in stmt creation.
153 (vect_permute_load_chain): Change type of MODIFY_EXPR to
155 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
156 of MODIFY_EXPR to void_type_node.
157 (vectorizable_condition): Change type of MODIFY_EXPR to
159 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
162 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
165 2006-05-08 Uros Bizjak <uros@kss-loka.si>
166 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
167 standard 80387 constants, raise the cost to prevent
168 compress_float_constant() to generate load from memory.
170 * config/i386/i386.md: Add new splitter pattern to split
171 float_extended load of constant from constant pool into
174 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
176 * doc/install.texi: Move GMP/MPFR configure options from Fortran
177 section to general section. Remove documentation for
178 --with-mpfr-dir and --with-gmp-dir, add documentation for
179 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
182 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
184 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
186 * testsuite/gcc.dg/ipa/ipa-6.c: New.
188 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
190 PR tree-optimization/29122
191 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
192 for the new version. Assign NULL to DECL_RTL of the new version.
194 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
196 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
198 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
200 * cse.c (cse_altered): Remove.
201 (record_jump_equiv): Make true/false argument a bool instead
203 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
204 where appropriate. Emit a new jump before the existing one
205 instead of after so that delete_insn_and_edges removes the
206 dead edges properly. Check any_condjump_p before calling
208 (cse_basic_block): Check any_condjump_p before calling
210 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
212 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
214 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
215 -ffixed-line-length-* options.
217 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
219 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
220 (fprem1xf4): Rename to fprem1xf4_i387.
222 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
223 Rename patterns to fmod<mode>3. Use general_operand operand
224 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
225 patterns for SSE math.
226 (remaindersf3, remainderdf3): Ditto.
228 2006-11-25 Joseph Myers <joseph@codesourcery.com>
230 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
231 inside start_sequence / end_sequence pair.
233 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
235 * jump.c (mark_all_labels): Work in cfglayout mode.
236 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
237 when in cfglayout mode, because there are no dead jumptables
239 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
241 (commit_edge_insertions): Do not allow insertion of instructions
242 with control flow insns when in cfglayout mode.
244 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
246 * tree-vrp.c (execute_vrp): Do not pass loops structure through
248 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
249 unswitch_loop): Ditto.
250 * tree-loop-linear.c (linear_transform_loops): Ditto.
251 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
252 tree_ssa_lim): Ditto.
253 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
254 free_numbers_of_iterations_estimates): Ditto.
255 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
256 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
257 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
258 remove_path, add_loop, loopify, unloop, fix_loop_placements,
259 place_new_loop, duplicate_loop, duplicate_subloops,
260 update_single_exit_for_duplicated_loops, copy_loops_to,
261 duplicate_loop_to_header_edge, create_preheaders,
262 force_single_succ_latches, loop_version, fix_loop_structure):
264 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
265 tree_unroll_loop): Ditto.
266 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
267 * tree-scalar-evolution.c (select_loops_exit_conditions,
268 scev_initialize, scev_analysis): Ditto.
269 * tree-scalar-evolution.h (scev_initialize): Ditto.
270 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
271 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
272 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
273 * modulo-sched.c (sms_schedule): Ditto.
274 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
275 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
276 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
277 * ifcvt.c (if_convert): Ditto.
278 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
279 canonicalize_loop_induction_variables,
280 canonicalize_induction_variables,
281 tree_unroll_loops_completely, remove_empty_loops): Ditto.
282 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
283 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
284 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
285 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
286 tree_ssa_loop_done): Ditto.
287 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
288 estimate_bb_frequencies): Ditto.
289 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
290 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
291 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
292 decide_unrolling_and_peeling, peel_loop_completely,
293 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
294 peel_loop_simple, unroll_loop_stupid): Ditto.
295 * loop-doloop.c (doloop_optimize_loops): Ditto.
296 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
297 * loop-invariant.c (move_loop_invariants): Ditto.
298 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
299 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
300 tree_ssa_prefetch_arrays): Ditto.
301 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
303 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
304 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
305 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
306 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
307 verify_loop_structure): Ditto.
308 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
309 canonicalize_induction_variables, tree_unroll_loops_completely,
310 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
311 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
312 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
313 tree_unroll_loop, linear_transform_loops): Declaration changed.
314 * basic-block.h: Remove declaration of struct loops.
315 * cfghooks.h (struct cfg_hooks): Change type of
316 cfg_hook_duplicate_loop_to_header_edge.
317 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
318 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
319 vect_transform_loop): Declaration changed.
320 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
321 * cfgloop.h (flow_loops_dump, fix_loop_structure,
322 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
323 cancel_loop_tree, create_preheaders, force_single_succ_latches,
324 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
325 loopify, loop_version, remove_path, unswitch_loops,
326 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
329 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
331 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
332 (X87MODEF): New mode macro.
333 (ssemodefsuffix): New mode attribute.
334 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
335 (sqrt_extend<mode>xf2_i387): New insn pattern.
336 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
337 insn and truncate result back to original mode using
338 UNSPEC_TRUNC_NOOP truncation.
339 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
340 ssemodefsuffix mode attribute.
341 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
342 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
343 (*sqrtextenddfxf2_i387): Remove insn patterns.
345 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
348 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
350 2006-11-24 Jakub Jelinek <jakub@redhat.com>
353 * c-tree.h (c_maybe_initialize_eh): New prototype.
354 * c-decl.c (finish_decl): Move EH initialization...
355 (c_maybe_initialize_eh): ... here. New function.
356 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
357 if not #pragma omp atomic.
360 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
361 or UNION_TYPE inner types.
363 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
366 * ipa-pure-const.c (check_tree): If the original tree
367 is volatile return early and say the function is not pure
368 nor const. Remove the volatile check for writes.
369 (analyze_function): Print out the result of the local
372 2006-11-24 Joseph Myers <joseph@codesourcery.com>
374 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
376 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
377 * config/rs6000/rs6000.c (rs6000_override_options): Use
378 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
381 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
383 * config/s390.c (s390_emit_compare_and_swap): New function.
384 (s390_expand_cs_hqi, s390_expand_atomic): Call
385 s390_emit_compare_and_swap.
387 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
389 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
391 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
395 * c-common.c (conversion_warning): New.
396 (convert_and_check): Call conversion_warning unless there is an
398 * doc/invoke.texi (-Wconversion): Update description.
400 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
402 * tree-ssa-alias.c (tree_pointer_compare): New function.
403 (compact_name_tags): New function.
404 (group_aliases): Call compact_name_tags.
406 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
408 * real.h (real_isinteger): Declare.
409 * real.c (real_isinteger): Define.
410 * builtins.c (integer_valued_real_p): Use it.
412 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
415 * c.opt (Wtraditional-conversion): New.
416 (Wconversion): Update description.
417 * c-typeck.c (convert_arguments): Warnings for prototypes causing
418 type conversions different from what would happen in the absence
419 of prototype are now handled by Wtraditional-conversion.
420 * doc/invoke.texi (Wtraditional-conversion): New.
421 (Wconversion): Update description.
422 * doc/trouble.texi (Wconversion): Replace Wconversion by
423 Wtraditional-conversion.
425 2006-11-23 Andrew Pinski <pinskia@gmail.com>
427 * predict.c (tree_estimate_probability): Check to make
428 sure current_loops is non null before calling flow_loops_dump.
430 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
432 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
434 2006-11-23 David Ung <davidu@mips.com>
436 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
438 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
439 (ASM_SPEC): Pass along -mfp32 and -mfp64.
440 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
441 high part of FP register when in 64-bit FP register mode. Similarly
442 use gen_mfhc1 to load high part of FP register.
443 (override_options): Allow -mgp32 and -mfp64 combination if
444 ISA_HAS_MXHC1 (currently for O32 only).
445 (mips_cannot_change_mode_class): If floating-point registers are
446 bigger than word size. disallow conversion of float register from a
447 large integer mode to a float mode smaller than the float register
449 (mips_class_max_nregs): Handle float registers case seperately.
450 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
452 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
453 (movdf_hardfloat_32bit): Similarly.
454 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
455 support a full 64-bit fpu.
456 (mthc1): New pattern to generate MTHC1 instruction.
457 (mfhc1): New pattern to generate MFHC1 instruction.
458 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
459 option for the MIPS32R2 and mention its use under O32 ABI.
461 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
463 * var-tracking.c (emit_note_insn_var_location): Take care not to
464 cause verify_flow_info failures.
466 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
468 * tree-ssa-structalias.c: Remove edge weights in favor of just
469 processing them as complex constraints.
470 (struct constraint_graph): Remove weighted succs and preds. Rename
471 nonweighted succs and preds.
472 (constraint_edge): Removed.
473 (constraint_edge_t): Ditto.
474 (constraint_edge_pool): Ditto.
475 (new_constraint_edge): Ditto.
476 (constraint_edge_equal): Ditto.
477 (constraint_edge_less): Ditto.
478 (constraint_edge_vec_find): Ditto.
479 (erase_self_graph_edge): Ditto.
480 (add_graph_edge): Removed.
481 (get_graph_weights): Ditto.
482 (allocate_graph_weights): Ditto.
483 (valid_weighted_graph_edge): Ditto
484 (bitmap_other_than_zero_bit_set): Ditto.
485 (int_add_graph_edge): Renamed to add_graph_edge.
486 (clear_edges_for_node): Remove support for weighted edges.
487 (merge_graph_nodes): Ditto.
488 (valid_graph_edge): Ditto.
489 (build_constraint_graph): Ditto.
491 (collapse_nodes): Ditto.
492 (process_unification_queue): Ditto.
494 (do_ds_constraint): Ditto.
495 (perform_var_subsitution): Ditto.
496 (solve_graph): Ditto.
497 (init_alias_vars): Ditto.
498 (delete_points_to_sets): Ditto.
499 (do_complex_constraint): Support offsetted copies here.
501 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
503 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
505 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
507 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
510 2006-11-23 Ben Elliston <bje@au.ibm.com>
512 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
514 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
516 PR tree-optimization/29921
517 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
518 signed and unsigned zero equal.
520 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
522 * config/rs6000/rs6000.c (get_store_dest): New.
523 (adjacent_mem_locations): Use get_store_dest() to get
524 the rtl of the store destination.
526 2006-11-22 Joseph Myers <joseph@codesourcery.com>
528 * config/rs6000/spe.md (SPE64): New mode macro.
529 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
531 (mov_si<mode>_e500_subreg0_2): New.
532 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
534 (mov_si<mode>_e500_subreg4_2): New.
535 * config/rs6000/predicates.md (input_operand): Do not allow
536 invalid E500 subregs.
537 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
539 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
540 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
541 involving vector modes if TARGET_SPE.
543 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
546 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
547 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
549 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
551 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
552 mem_i_address_operand): New predicates.
553 * config/bfin/bfin.c (bfin_issue_rate): New function.
554 (TARGET_SCHED_ISSUE_RATE): New macro.
555 * config/bfin/bfin.md (addrtype): New attribute.
556 (slot0, slot1, slot2, store, pregs): New cpu_units.
557 (core): Now a define_reservation.
558 (alu): Remove some insn types from this reservation.
559 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
561 (dummy reservation): Don't trigger for mcld insns.
562 (absence_sets): Two new absence sets to enforce slot ordering.
563 (popsi_insn): Set addrtype.
565 2006-11-22 Ira Rosen <irar@il.ibm.com>
567 * doc/c-tree.texi: Document new tree codes.
568 * doc/md.texi: Document new optabs.
569 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
571 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
572 * optabs.h (optab_index): Add new.
573 (vec_extract_even_optab, vec_extract_odd_optab,
574 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
575 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
576 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
578 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
579 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
580 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
581 along with macros for their access.
582 * tree-data-ref.h (first_location_in_loop, data_reference): Update
584 * tree-vect-analyze.c (toplev.h): Include.
585 (vect_determine_vectorization_factor): Fix indentation.
586 (vect_insert_into_interleaving_chain,
587 vect_update_interleaving_chain, vect_equal_offsets): New functions.
588 (vect_analyze_data_ref_dependence): Add argument for interleaving
589 check. Check for interleaving if it's true.
590 (vect_check_dependences): New function.
591 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
592 every ddr. Call vect_analyze_data_ref_dependence with new argument.
593 (vect_update_misalignment_for_peel): Update for interleaving.
594 (vect_verify_datarefs_alignment): Check only first data-ref for
596 (vect_enhance_data_refs_alignment): Update for interleaving. Check
597 only first data-ref for interleaving.
598 (vect_analyze_data_ref_access): Check interleaving, update
600 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
601 with different parameters.
602 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
603 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
604 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
605 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
606 Update step in case of interleaving.
607 (vect_strided_store_supported, vect_permute_store_chain): New
609 (vectorizable_store): Handle strided stores.
610 (vect_strided_load_supported, vect_permute_load_chain,
611 vect_transform_strided_load): New functions.
612 (vectorizable_load): Handle strided loads.
613 (vect_transform_stmt): Add argument. Handle strided stores. Check
614 that vectorized stmt exists for patterns.
615 (vect_gen_niters_for_prolog_loop): Update calculation for
617 (vect_transform_loop): Remove stmt_vec_info for strided stores after
618 whole chain vectorization.
619 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
620 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
621 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
622 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
623 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
625 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
627 * cse.c (enum taken): Remove PATH_AROUND.
628 (addr_affects_sp_p, invalidate_skipped_set,
629 invalidate_skipped_block): Remove.
630 (cse_end_of_basic_block): Remove skip_blocks and related code.
631 (cse_main): Don't test for flag_cse_skip_blocks.
632 Update cse_end_of_basic_block call.
633 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
634 code to lengthen the path if a jump was simplified.
636 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
638 PR rtl-optimization/29924
639 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
640 (unroll_loop_runtime_iterations): Assert that the argument passed to
641 split_edge_and_insert is not NULL.
642 * loop-doloop.c (add_test): Ditto.
644 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
646 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
648 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
649 * cfgloopmanip.c (update_single_exits_after_duplication,
650 update_single_exit_for_duplicated_loop, loop_version): Ditto.
651 * tree-scalar-evolution.c (get_loop_exit_condition,
652 get_exit_conditions_rec, loop_closed_phi_def,
653 number_of_iterations_in_loop, scev_const_prop): Ditto.
654 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
655 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
657 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
659 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
660 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
661 slpeel_make_loop_iterate_ntimes,
662 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
663 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
665 * tree-if-conv.c (if_convertible_loop_p): Ditto.
666 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
667 vect_analyze_loop_form): Ditto.
668 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
669 can_convert_to_perfect_nest, perfect_nestify): Ditto.
670 * tree-vect-transform.c (vect_create_epilog_for_reduction,
671 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
672 vect_transform_loop): Ditto.
673 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
674 (single_exit, set_single_exit): New functions.
675 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
676 (single_exit, set_single_exit): Declare.
677 * doc/loop.texi: Undocument single_exit field. Document single_exit
680 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
682 PR tree-optimization/29902
683 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
684 any involved ssa name appears in abnormal phi node.
686 2006-11-21 Bob Wilson <bob.wilson@acm.org>
688 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
689 (xtensa_const_ok_for_letter_p): Delete.
690 (xtensa_extra_constraint): Delete.
691 (override_options): Delete xtensa_char_to_class initialization.
692 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
693 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
694 (EXTRA_CONSTRAINT): Delete.
695 * config/xtensa/xtensa.md: Include constraints.md.
696 (call_internal): Combine alternatives.
697 (call_value_internal): Likewise, and remove invalid constraints.
698 * config/xtensa/constraints.md: New file.
699 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
700 (xtensa_extra_constraint): Delete.
701 * doc/md.texi (Machine Constraints): Refer to constraints.md for
704 2006-11-21 Janis Johnson <janis187@us.ibm.com>
706 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
707 of conversion that doesn't fit.
709 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
710 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
711 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
713 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
715 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
717 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
719 2006-11-21 Richard Guenther <rguenther@suse.de>
721 * tree-vectorizer.h (NUM_PATTERNS): Increase.
722 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
723 vect_recog_pow_pattern.
724 (vect_recog_pow_pattern): New function.
726 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
728 * config/bfin/bfin.opt (mstack-check-l1): New.
729 * doc/invoke.texi (Blackfin Options): Document it.
730 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
731 stack bounds in L1 memory if the new option is enabled.
732 (override_options): Don't allow combinations of -fstack-limit and
734 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
737 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
739 (bfin_register_move_cost): Bump costs if trying to move plain
740 integer values through accumulators.
742 2006-11-21 Ben Elliston <bje@au.ibm.com>
744 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
746 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
747 Russell Olsen <Russell_Olsen@playstation.sony.com>
748 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
749 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
750 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
751 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
752 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
754 * config.gcc: Add target for SPU.
755 * config/spu/constraints.md: New file.
756 * config/spu/crt0.c: New file.
757 * config/spu/crtend.c: New file.
758 * config/spu/crti.asm: New file.
759 * config/spu/crtn.asm: New file.
760 * config/spu/float_unsdidf.c: New file.
761 * config/spu/float_unssidf.c: New file.
762 * config/spu/predicates.md: New file.
763 * config/spu/spu-builtins.def: New file.
764 * config/spu/spu-builtins.h: New file.
765 * config/spu/spu-builtins.md: New file.
766 * config/spu/spu-c.c: New file.
767 * config/spu/spu-elf.h: New file.
768 * config/spu/spu-modes.def: New file.
769 * config/spu/spu-protos.h: New file.
770 * config/spu/spu.c: New file.
771 * config/spu/spu.h: New file.
772 * config/spu/spu.md: New file.
773 * config/spu/spu.opt: New file.
774 * config/spu/spu_internals.h: New file.
775 * config/spu/spu_intrinsics.h: New file.
776 * config/spu/spu_mfcio.h: New file.
777 * config/spu/t-spu-elf: New file.
778 * config/spu/vec_types.h: New file.
779 * config/spu/vmx2spu.h: New file.
780 * doc/contrib.texi: Document SPU contributor.
781 * doc/extend.texi: Document SPU extensions.
782 * doc/invoke.texi: Document SPU options.
783 * doc/md.texi: Document SPU constraints.
785 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
787 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
789 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
791 (flow_loop_dump): Do not dump loop level.
792 (flow_loops_find): Do not call flow_loops_level_compute.
793 * cfgloop.h (struct loop): Remove level field.
795 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
797 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
798 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
799 Use vector of edges instead of array.
800 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
801 estimate_numbers_of_iterations_loop): Ditto.
802 * predict.c (predict_loops): Ditto.
803 * loop-unroll.c (analyze_insns_in_loop): Ditto.
804 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
806 * basic-block.h: Declare heap allocation for edge vectors.
807 * tree-outof-ssa.c: Ditto.
808 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
809 * cfgloop.h (get_loop_exit_edges): Declaration changed.
811 2006-11-20 Zack Weinberg <zackw@panix.com>
813 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
814 Add another out parameter, "skip".
815 (set_gc_used_type): Adjust calls to process_gc_options. If a field
816 is tagged "skip", do not mark its type used.
818 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
821 * tree-sra.c (single_scalar_field_in_record_p): New function.
822 (decide_block_copy): Use it.
824 2006-11-20 David Daney <ddaney@avtrex.com>
826 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
827 PC to point to following instruction.
829 2006-11-20 Anatoly Sokolov <aesok@post.ru>
833 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
835 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
837 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
839 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
840 Add sh/superh.h to tm_file.
842 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
843 Mark Mitchell <mark@codesourcery.com>
845 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
847 (cpp_relocated): New function.
848 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
850 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
851 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
852 replace configured prefix with gcc_exec_prefix.
854 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
856 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
857 bfin_legitimate_constant_p.
858 * config/bfin/bfin.md (movsi expander): Check return value of
860 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
861 (expand_move): Adjust prototype.
862 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
863 invalid constants specially.
864 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
866 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
868 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
869 sibcall_value_symbol): Allow these patterns if
870 TARGET_LEAF_ID_SHARED_LIBRARY.
871 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
872 (override_options): Turn on id shared library flags if -msep-data,
873 but disallow the combination of these options on the command line.
874 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
875 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
876 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
878 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
879 * doc/invoke.texi (Blackfin Options): Document new switches.
881 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
882 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
884 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
885 inflate costs for addresses with an out-of-bounds address.
887 2006-11-19 Andrew Pinski <pinskia@gmail.com>
890 * fwprop.c (loops): Remove.
891 (forward_propagate_into): Use current_loops instead of
893 (fwprop_init): Call loop_optimizer_init instead of
895 (fwprop_done): Call loop_optimizer_finalize instead of
897 (fwprop): Use current_loops instead of loops.
899 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
902 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
904 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
907 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
908 larger than BITS_PER_WORD.
910 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
914 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
915 to MAX_FIXED_MODE_SIZE.
917 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
919 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
920 (fold_builtin_fmin_fmax): New.
921 (fold_builtin_1): Use it.
923 * fold-const.c (fold_strip_sign_ops): Handle copysign.
925 2006-11-18 Richard Guenther <rguenther@suse.de>
927 * config/i386/i386.c (ix86_builtins): New array for ix86
928 builtin function decls.
929 (def_builtin): New function.
930 (def_builtin_const): Likewise.
931 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
933 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
935 * doc/invoke.texi (core2): Add item.
937 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
939 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
940 (TARGET_CPU_DEFAULT_generic): Change value.
941 (TARGET_CPU_DEFAULT_NAMES): Add core2.
942 (processor_type): Add new constant PROCESSOR_CORE2.
944 * config/i386/i386.md (cpu): Add core2.
946 * config/i386/i386.c (core2_cost): New initialized variable.
947 (m_CORE2): New macro.
948 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
949 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
950 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
951 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
952 x86_partial_reg_dependency, x86_memory_mismatch_stall,
953 x86_accumulate_outgoing_args, x86_prologue_using_move,
954 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
955 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
956 x86_use_incdec, x86_four_jump_limit, x86_schedule,
957 x86_pad_returns): Add m_CORE2.
958 (override_options): Add entries for Core2.
959 (ix86_issue_rate): Add case for Core2.
961 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
963 * doc/invoke.texi: Fix mno-isel typo.
965 2006-11-18 Joseph Myers <joseph@codesourcery.com>
967 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
968 easy vector constant loads.
970 2006-11-18 Joseph Myers <joseph@codesourcery.com>
972 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
973 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
974 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
975 * config/rs6000/sync.md (lwsync): Emit plain sync if
978 2006-11-17 DJ Delorie <dj@redhat.com>
980 * reload1.c (reloads_unique_chain): New.
981 (reloads_conflict): Call it.
983 2006-11-17 Bob Wilson <bob.wilson@acm.org>
985 * config/xtensa/predicates.md (addsubx_operand): New.
986 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
987 (xtensa_emit_bit_branch): New.
988 (xtensa_emit_movcc): New.
989 * config/xtensa/xtensa.md (any_minmax): New code macro.
990 (minmax): New code attribute.
991 (any_cond, any_scc, any_scc_sf): New code macros.
992 (*addx2, *addx4, *addx8): Delete.
994 (*subx2, *subx4, *subx8): Delete.
996 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
997 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
998 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
999 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1000 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1001 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1002 (movsfcc_internal0, movsfcc_internal1): Likewise.
1003 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1004 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1005 (xtensa_emit_bit_branch): New.
1006 (xtensa_emit_movcc): New.
1007 (function_arg_boundary): Add missing prototype.
1009 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1011 * config/xtensa/xtensa.md (tstsi): Delete
1013 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1015 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1017 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1019 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1021 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1023 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1025 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1027 * tree-vrp.c (execute_vrp): Do not update current_loops.
1028 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1029 * doc/loop.texi: Remove documentation for cancelled functions.
1030 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1031 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1033 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1034 (remove_path): Ensure that in delete_basic_blocks, the loops
1035 are still allocated.
1036 (add_loop): Work on valid loop structures.
1037 (loopify): Modify call of add_loop.
1038 (mfb_update_loops): Removed.
1039 (create_preheader): Do not update loops explicitly.
1040 (force_single_succ_latches, loop_version): Do not use
1041 loop_split_edge_with.
1042 (loop_split_edge_with): Removed.
1043 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1044 Do not use bsi_insert_on_edge_immediate_loop.
1045 (split_loop_exit_edge, tree_unroll_loop): Do not use
1046 loop_split_edge_with.
1047 (bsi_insert_on_edge_immediate_loop): Removed.
1048 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1049 use loop_split_edge_with.
1050 * cfghooks.c: Include cfgloop.h.
1051 (verify_flow_info): Verify that loop_father is filled iff current_loops
1053 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1054 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1056 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1058 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1059 loop_split_edge_with.
1060 (sms_schedule): Use current_loops.
1061 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1062 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1064 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1065 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1066 * ifcvt.c (if_convert): Ditto.
1067 * predict.c (predict_loops): Do not clear current_loops.
1068 (tree_estimate_probability): Use current_loops.
1069 (propagate_freq): Receive head of the region to propagate instead of
1071 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1072 (estimate_loops): New function. Handle case current_loops == NULL.
1073 (estimate_bb_frequencies): Do not allocate tovisit. Use
1075 * tree-ssa-loop.c (current_loops): Removed.
1076 (tree_loop_optimizer_init): Do not return loops.
1077 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1078 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1079 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1080 Do not update loops explicitly.
1081 * function.h (struct function): Add x_current_loops field.
1082 (current_loops): New macro.
1083 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1084 * loop-unroll.c (split_edge_and_insert): New function.
1085 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1086 use loop_split_edge_with.
1087 * loop-doloop.c (add_test, doloop_modify): Ditto.
1088 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1089 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1090 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1091 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1093 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1094 (flow_loops_free): Do not free dfs_order and rc_order.
1095 (flow_loops_find): Do not set dfs_order and rc_order in loops
1096 structure. Do not call loops and flow info verification.
1097 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1098 already belongs to some loop.
1099 * cfgloop.h (struct loops): Remove struct cfg.
1100 (current_loops, loop_split_edge_with): Declaration removed.
1101 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1102 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1103 Declaration removed.
1104 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1105 * basic-block.h (split_edge_and_insert): Declare.
1106 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1108 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1110 PR tree-optimization/29801
1111 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1112 (get_default_value): Use get_symbol_constant_value.
1113 (set_lattice_value): ICE when the value of the constant is
1115 (visit_assignment): Ignore VDEFs of read-only variables.
1117 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1119 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1121 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1122 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1124 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1126 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1127 select subvars of var.
1129 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1132 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1133 optimize if DEF doesn't have integral type.
1135 2006-11-16 Mike Stump <mrs@apple.com>
1137 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1138 pre-darwin9 system, unless the user asks for it directly.
1139 (PREFERRED_DEBUGGING_TYPE): Likewise.
1140 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1141 * config.gcc: Add suppport for darwin9.h.
1142 * config/darwin9.h: Add.
1143 * doc/install.texi (Specific): Clarify darwin documentation.
1145 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1147 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1148 optimizing for size.
1150 2006-11-16 Mike Stump <mrs@apple.com>
1152 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1154 2006-11-16 Dirk Mueller <dmueller@suse.de>
1156 * tree-vrp.c (get_value_range): Use XCNEW instead
1158 (insert_range_assertions): Use XCNEWVEC instead
1159 of XNEWVEC and memset.
1160 (vrp_initialize): Same.
1161 (vrp_finalize): Same.
1162 * tree-ssa-ccp.c (ccp_initialize): Same.
1163 * predict.c (tree_bb_level_predictions): Same.
1164 * calls.c (expand_call): Same.
1165 * tree-ssa-copy.c (init_copy_prop): Same.
1166 (fini_copy_prop): Same.
1167 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1168 of GGC_NEW and memset.
1170 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1173 * gimplify.c (gimplify_expr): Only force a load for references to
1174 non-BLKmode volatile values.
1175 * doc/implement-c.texi (Qualifiers implementation): Document the
1176 interpretation of what a volatile access is.
1177 * doc/extend.texi (C++ Extensions): Rework same documentation.
1179 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1181 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1184 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1186 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1188 (arm_neg_abssi2): Renamed from neg_abssi2.
1189 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1191 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1193 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1194 number of arguments passed to local functions in SSE registers is 3.
1196 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1197 number of arguments passed in SSE registers to 3.
1199 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1202 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1204 (get_last_bb_insn): ... new global function.
1205 (basic_block.h): Declare it.
1206 * haifa-sched.c (create_recovery_block): Use it.
1208 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1211 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1213 2006-11-15 Paul Brook <paul@codesourcery.com>
1215 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1216 _Unwind_GetTextRelBase): Move from here ...
1217 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1218 _Unwind_GetTextRelBase): ... To here.
1220 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1222 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1223 addresses we generate for testing are aligned.
1225 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1228 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1229 to what is the const decl is a place holder for.
1231 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1233 * config/i386/i386.opt: New target option -mx87regparm.
1235 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1236 and float_in_x87 variables. mmx_words, sse_words: Remove.
1237 (X87_REGPARM_MAX): Define.
1239 * config/i386/i386.c (override_options): Error out for
1240 -mx87regparm but no 80387 support.
1241 (ix86_attribute_table): Add x87regparm.
1242 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1243 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1244 (ix86_function_x87regparm): New function.
1245 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1247 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1249 (function_arg_advance): Process x87_nregs and x87_regno when
1250 floating point argument is to be passed in 80387 register.
1251 (function_arg): Pass XFmode arguments in 80387 registers for local
1252 functions. Pass SFmode and DFmode arguments to local functions
1253 in 80387 registers when flag_unsafe_math_optimizations is set.
1255 * reg-stack.c (convert_regs_entry): Disable NaN load for
1256 stack registers that are used for argument passing.
1258 * doc/extend.texi: Document x87regparm function attribute.
1259 * doc/invoke.texi: Document -mx87regparm.
1261 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1263 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1264 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1265 arg MODE; all callers changed. Use it to determine validity per
1266 machine mode instead of using Pmode for all memory references.
1267 (get_address_cost): Likewise add and use new arg MEM_MODE.
1269 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1270 J"orn Rennecke <joern.rennecke@st.com>
1272 * combine.c (likely_spilled_retval_1): Fix masking operation.
1273 (likely_spilled_retval_p): Use proper pattern for call to
1274 likely_spilled_retval_1.
1276 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1278 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1280 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1281 that tests for CONSTANT_POOL_ADDRESS_P.
1283 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1285 PR tree-optimization/29581
1286 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1287 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1288 type is different between Y and USE, create a temporary
1289 variable, initialize it at the beginning of the body bb
1290 and use it as replacement instead of Y.
1292 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1295 * gimplify.c (fold_indirect_ref_rhs): Use
1296 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1298 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1300 * expmed.c (emit_store_flag_1): New function.
1301 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1303 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1304 Use do_compare_rtx_and_jump.
1305 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1306 * arm.md (cstoresi4): New define_expand.
1307 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1308 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1309 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1311 2006-11-14 Caroline Tice <ctice@apple.com>
1313 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1314 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1316 (pubname_table): Redefine as a vector.
1317 (pubtype_table): New static global variable, defined as a vector.
1318 (pubname_table_allocated): Remove static global variable.
1319 (pubname_table_in_use): Remove static global variable.
1320 (PUBNAME_TABLE_INCREMENT): Remove constant.
1321 (size_of_pubnames): Add parameter to deal with either pubnames or
1322 pubtypes, and change code to deal with table being a vector.
1323 (add_pubname): Change to deal with table being a vector.
1324 (add_pubtype): New function.
1325 (output_pubnames): Add parameter to deal with either pubnames or
1326 pubtypes, and change code to deal with table being a vector.
1327 (gen_array_type_die): Add call to add_pubtype.
1328 (gen_enumeration_type_die): Add call to add_pubtype.
1329 (gen_struct_or_union_type_die): Add call to add_pubtype.
1330 (gen_subroutine_type_die): Add call to add_pubtype.
1331 (gen_typedef_die): Add call to add_pubtype.
1332 (dwarf2out_init): Add code to initialize pubname_table and
1333 pubtype_table vectors; also initialize debug_pubtypes_section.
1334 (prune_unused_types): Change to deal with pubnames being a vector.
1335 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1336 pubnames table to call to output_pubnames; Add code to output pubtypes
1337 table if DEBUG_PUBTYPES_SECTION is defined.
1338 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1340 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1342 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1344 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1345 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1346 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1347 movv2si_internal): Support moves between core registers.
1349 2006-11-14 Eric Christopher <echristo@apple.com>
1351 * configure: Regenerate with autoconf 2.59.
1353 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1355 Fix PR tree-optimization/27755
1357 * tree-ssa-pre.c: Update comments.
1358 (bb_bitmap_sets): Add pa_in and deferred member.
1359 (BB_DEFERRED): New macro.
1360 (maximal_set): New variable.
1361 (pre_stats): Add pa_insert member.
1362 (bitmap_set_and): Short circuit orig == dest.
1363 (bitmap_set_subtract_values): New function.
1364 (bitmap_set_contains_expr): Ditto.
1365 (translate_vuses_through_block): Add phiblock argument.
1366 (dependent_clean): New function.
1367 (compute_antic_aux): Update for maximal_set changes.
1368 (compute_partial_antic_aux): New function.
1369 (compute_antic): Handle partial anticipation.
1370 (do_partial_partial_insertion): New function.
1371 (insert_aux): Handle partial anticipation.
1372 (add_to_sets): Add to maximal set.
1373 (compute_avail): Ditto.
1374 (init_pre): Initialize maximal_set.
1375 (execute_pre): Do partial anticipation if -O3+.
1377 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1379 PR rtl-optimization/29798
1381 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1382 TARGET_INSN before any other check.
1383 (fwprop_init): Always calculate dominators.
1384 (fwprop_done): Always free them.
1386 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1388 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1391 2006-11-13 DJ Delorie <dj@redhat.com>
1393 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1394 temporary for intermediates.
1396 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1398 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1399 (sh_optimize_target_register_callee_saved): #if 0 the code
1400 using NOTE_INSN_LOOP_{BEG,END}.
1402 2006-11-13 Roger Sayle <roger@eyesopen.com>
1404 * fold-const.c (optimize_bit_field_compare): Recursively call
1405 fold when simplifying non-constant comparisons between bit-fields.
1407 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1409 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1411 * configure: Rebuilt.
1413 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1415 * config/rs6000/cell.md: New file.
1416 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1418 (ppccell_cost): New cost matrix.
1419 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1420 (rs6000_override_options): Set rs6000_always_hint to false
1421 for cell. Also align functions/lables/loops to 8byte
1422 for the Cell. Use PROCESSOR_CELL.
1423 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1424 using_mtcr_multiple.
1425 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1426 on the Cell, return 0.
1427 (rs6000_adjust_cost): Add Cell cost adjustments.
1428 (is_microcoded_insn): Return true for Cell microcoded
1430 (is_nonpipeline_insn): New function.
1431 (rs6000_issue_rate): Add PROCESSOR_CELL.
1432 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1434 (rs6000_use_sched_lookahead_guard): New function.
1435 (rs6000_sched_reorder): Reorder the ready list, if the second
1436 to last ready insn is a nonepipeline insn on the Cell.
1437 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1438 (ASM_CPU_SPEC): Add Cell.
1439 * config/rs6000/rs6000.md (cpu): Add Cell.
1440 (cell_micro): New Attr.
1443 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1445 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1447 * configure: Rebuilt.
1449 2006-11-13 Richard Guenther <rguenther@suse.de>
1451 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1453 (ix86_expand_lfloorceil): Likewise.
1454 (ix86_expand_rint): Likewise.
1455 (ix86_expand_floorceildf_32): Likewise.
1456 (ix86_expand_floorceil): Likewise.
1457 (ix86_expand_rounddf_32): Likewise.
1458 (ix86_expand_truncdf_32): Likewise.
1459 (ix86_expand_round): Likewise.
1461 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1462 Mark Mitchell <mark@codesourcery.com>
1464 * gcc.c: Organize search path variables into $prefix relative,
1465 and well-known native. Add comments.
1466 (add_sysrooted_prefix): Add comment.
1467 (process_command): If !gcc_exec_prefix add $prefix based paths.
1468 If *cross_compile == '0', add native well-known paths.
1469 Assert tooldir_base_prefix is always relative.
1470 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1471 use this value for 'install:' path.
1472 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1474 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1476 * config/i386/i386.c: Fix a typo in comment.
1478 2006-11-13 Michael Matz <matz@suse.de>
1480 * genemit.c (gen_expand): Allocate enough memory.
1482 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1484 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1485 __GXX_TYPEINFO_EQUALITY_INLINE but not
1486 __GXX_MERGED_TYPEINFO_NAMES.
1487 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1488 __GXX_MERGED_TYPEINFO_NAMES.
1489 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1490 __GXX_TYPEINFO_EQUALITY_INLINE.
1492 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1493 Zdenek Dvorak <dvorakz@suse.cz>
1495 PR tree-optimization/29680
1496 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1499 2006-11-12 Jason Merrill <jason@redhat.com>
1500 Andrew Pinski <pinskia@physics.uc.edu>
1503 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1505 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1507 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1508 * tree.c (build_vector): Handle non-_CST elements.
1510 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1512 * genemit.c (gen_insn): Call gen_exp with a non-null used
1513 when handling multiple insns.
1514 (gen_expand): Likewise.
1515 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1516 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1517 (movsi_const_16bit+1): Copy operands[1].
1518 (call_pcrel): Copy the call_site pattern.
1519 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1521 2006-11-12 Roger Sayle <roger@eyesopen.com>
1523 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1524 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1525 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1526 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1528 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1530 Fix PR tree-optimization/29587
1531 * tree-ssa-structalias.c (process_constraint): Don't
1532 mark address taken due only to escaped vars constraint.
1534 2006-11-12 Michael Matz <matz@suse.de>
1535 Roger Sayle <roger@eyesopen.com>
1537 PR rtl-optimization/29797
1538 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1539 BITS_BIG_ENDIAN targets.
1541 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1543 * builtins.c (fold_builtin_cosh): New.
1544 (fold_builtin_1): Use it.
1545 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1546 trunc to the list of "odd" functions. Also add llrint, lrint,
1547 rint and nearbyint when flag_rounding_math is false.
1549 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1551 * tree-flow.h (name_mappings_registered_p): Declare.
1552 * tree-into-ssa.c (name_mappings_registered_p): New function.
1553 * tree-cfg.c (tree_can_merge_blocks_p): Check
1554 name_mappings_registered_p instead of need_ssa_update_p.
1556 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1558 * tree-ssa-loop.c (tree_vectorize): Return the result of
1560 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1561 if anything changed.
1562 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1563 * tree-flow.h (vectorize_loops): Declaration changed.
1565 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1567 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1569 (issue_prefetch_ref): Move assignment to write_p out of loop.
1570 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1571 SIMULTANEOUS_PREFETCHES into account.
1572 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1573 * lambda-code.c (lcm): Renamed to ...
1574 (least_common_multiple): ... and exported.
1575 * tree-flow.h (least_common_multiple): Declare.
1577 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1579 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1580 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1581 ud-chains. Handle AND_EXPR.
1582 (record_estimate): Record whether the estimate is realistic
1583 and whether it is derived from a loop exit.
1584 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1585 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1587 (compute_estimated_nb_iterations): Take only realistic bounds into
1588 account. Set estimate_state. Use double_ints.
1589 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1590 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1591 that do not have to be always executed.
1592 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1593 to determine whether to call infer_loop_bounds_from_undefined
1594 and compute_estimated_nb_iterations.
1595 (n_of_executions_at_most): Use double_ints.
1596 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1597 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1598 * double-int.c (double_int_to_tree): Improve comment.
1599 (double_int_fits_to_tree_p): New function.
1600 * double-int.h (double_int_fits_to_tree_p): Declare.
1601 * tree-data-ref.c: Include langhooks.h.
1602 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1603 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1604 (analyze_array): Do not pass estimate_only argument to
1605 analyze_array_indexes.
1606 (get_number_of_iters_for_loop): Build tree from the stored double_int
1608 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1609 (find_data_references_in_loop): Use find_data_references_in_stmt.
1610 * tree-data-ref.h (struct data_ref_loc_d): New.
1611 (get_references_in_stmt): Declare.
1612 (estimate_iters_using_array): Declaration removed.
1613 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1614 double_int. Improve comments. Add is_exit and realistic
1616 (struct loop): Changed type of estimated_nb_iterations to double_int.
1617 Added estimate_state field.
1618 (record_estimate): Declaration removed.
1620 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1622 * params.c (set_param_value): Initialize the "set" field.
1623 * params.h (struct param_info): Add "set" field.
1624 (PARAM_SET_P): New macro.
1625 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1626 L1_CACHE_LINE_SIZE): New macros.
1627 * toplev.c (DEFPARAM): Initialize the "set" field.
1628 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1629 SIMULTANEOUS_PREFETCHES): Removed.
1630 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1631 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1632 * config/sparc/sparc.c: Include params.h.
1633 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1634 L1_CACHE_LINE_SIZE parameters.
1635 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1637 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1639 * config/i386/i386.c: Include params.h.
1640 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1641 (override_options): Set SIMULTANEOUS_PREFETCHES and
1642 L1_CACHE_LINE_SIZE parameters.
1643 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1644 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1645 L1_CACHE_LINE_SIZE parameters.
1646 * config/ia64/ia64.c (ia64_optimization_options): Set
1647 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1648 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1650 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1651 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1652 * doc/invoke.texi: Document new params.
1654 2006-11-12 Roger Sayle <roger@eyesopen.com>
1656 PR tree-optimization/13827
1657 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1660 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1662 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1663 update_single_exit_for_duplicated_loops): New functions.
1664 (duplicate_loop_to_header_edge): Use
1665 update_single_exit_for_duplicated_loops.
1666 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1667 functions only with ENABLE_CHECKING.
1669 2006-11-12 Andreas Schwab <schwab@suse.de>
1671 * except.c (sjlj_emit_function_enter): Remove unused variable.
1673 2006-11-11 Roger Sayle <roger@eyesopen.com>
1675 * fold-const.c (int_binop_types_match_p): New function.
1676 (size_binop): Relax constraint that both arguments must both have
1677 exactly the same sizetype type. Instead use int_binop_types_match_p.
1678 (size_diffop): Likewise.
1680 (make_range): Use build_int_cst instead of fold_convert.
1681 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1682 integer constants of the correct type.
1683 (fold_div_compare): Likewise.
1684 (fold_single_bit_test): Likewise.
1685 (fold_binary): Likewise.
1686 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1687 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1689 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1692 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1693 non null value if the struct memory access is in the 0th
1696 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1699 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1700 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1703 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1704 instead of builtin_define for bfin and BFIN.
1706 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1708 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1711 2006-11-11 Jan Hubicka <jh@suse.cz>
1713 * extend.texi (__builtin_expect): We no longer require second argument
1715 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1716 * builtins.c (expand_builtin_expect): Simplify.
1717 (expand_builtin_expect_jump): Kill.
1718 * final.c (final_scan_insn): Do not skip the removed notes.
1719 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1720 EXPECTED_VALUE): Remove.
1721 * dojump.c (do_jump): Do not care about __builtin_expect.
1722 * predict.c (expected_value_to_br_prob): Kill.
1723 * function.c (expand_function_end): Do not expand
1724 NOTE_INSN_REPEATED_LINE_NUMBER.
1725 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1726 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1727 * cfgexpand.c (add_reg_br_prob_note): Export.
1728 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1729 expected_value_to_br_prob.
1730 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1731 * rtl.h (add_reg_br_prob_note): Declare.
1733 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1735 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1737 2006-11-11 Jan Hubicka <jh@suse.cz>
1739 * predict.c (predict_loops): Kill RTL variant.
1741 2006-11-11 Jan Hubicka <jh@suse.cz>
1743 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1744 * modulo-sched.c (find_line_note): Remove.
1745 (loop_canon_p): Do not worry about line number notes.
1746 (sms_schedule): Likewise.
1747 * cse.c (cse_main): Likewise.
1748 * regmove.c (fixup_match_1): Likewise
1749 * function.c (emit_return_info_block): Likewise.
1750 (expand_function_end): Likewise.
1751 (thread_prologue_an_epilogue_insns): Likewise.
1752 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1754 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1755 emit_note_copy_after): Kill.
1756 (emit_note_copy): Do not worry about line numbers.
1757 * jump.c (purge_line_number_notes): Kill.
1758 (pass_purge_lineno_notes): Kill.
1759 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1761 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1762 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1763 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1764 * tree-pass.h (pass_purge_lineno_notes): Kill.
1765 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1766 rm_redundant_line_notes.
1767 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1768 rm_redundant_line_notes.
1769 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1770 * haifa-sched.c: Update comment about handling notes.
1771 (unlink_line_notes): Kill.
1772 (rm_line_notes): Kill.
1773 (save_line_notes): Simplify.
1774 (rm_redundant_line_notes): Kill.
1776 2006-11-11 Richard Guenther <rguenther@suse.de>
1778 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1779 Remove unused tree codes.
1780 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1781 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1782 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1783 * tree.c (stabilize_reference): Likewise.
1784 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1785 fold_unary): Likewise.
1786 * tree-gimple.c (is_gimple_cast): Likewise.
1787 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1788 * expr.c (expand_expr_real_1): Likewise.
1789 * tree-eh.c (tree_could_trap_p): Likewise.
1790 * gimplify.c (gimplify_expr): Likewise.
1791 * tree-inline.c (estimate_num_insns_1): Likewise.
1792 * tree-cfg.c (verify_expr): Likewise.
1794 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1796 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1797 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1798 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1800 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1803 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1804 constraints accept neither registers or memories.
1806 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1808 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1809 (NO_PROFILE_COUNTERS): Define as 1.
1811 2006-11-10 Roger Sayle <roger@eyesopen.com>
1813 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1814 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1816 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1818 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1820 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1822 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1823 (fold_builtin_hypot): Likewise.
1824 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1826 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1828 2006-11-10 Roger Sayle <roger@eyesopen.com>
1830 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1831 when attempting to build INTEGER_CSTs of non-integral types.
1832 * expmed.c (make_tree): Use the correct type, i.e. the inner
1833 type, when constructing the individual elements of a CONST_VECTOR.
1835 2006-11-10 Jan Hubicka <jh@suse.cz>
1837 * cse.c (cse_process_notes): Copy the propagated value.
1838 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1840 * gcse.c (try_replace_reg): Copy the replacement.
1841 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1842 (assign_386_stack_local): Always return copied memory expression
1843 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1846 2006-11-10 Jan Hubicka <jh@suse.cz>
1848 * final.c (final): Walk from first instruction.
1849 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1851 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1854 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1856 (umulv8hi3_highpart): Ditto.
1857 (vec_widen_smult_hi_v8hi): New expander.
1858 (vec_widen_smult_lo_v8hi): Ditto.
1860 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1863 * builtins.c (do_mpfr_arg3): New.
1864 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1866 2006-11-09 Eric Christopher <echristo@apple.com>
1871 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1872 * config.gcc (powerpc64-*-darwin*): New target.
1873 * config.host: Ditto.
1874 * config/rs6000/darwin64.h: New file.
1875 * config/rs6000/x-darwin64: Ditto.
1876 * config/rs6000/host-ppc64-darwin.c: Ditto.
1878 2006-11-09 Steve Ellcey <sje@cup.hp.com>
1880 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
1881 routines for integer division.
1883 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
1885 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
1887 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
1890 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
1892 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
1894 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
1895 simplify_subreg with BLKmode outer mode.
1897 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
1899 * doc/invoke.texi: Minor formatting fixes in option lists.
1901 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
1903 PR tree-optimization/29738
1904 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
1905 (ccp_lattice_t): Remove UNKNOWN_VAL.
1906 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
1907 Do not handle UNKNOWN_VAL.
1908 (get_default_value): Set initial value of virtual operands to
1910 (get_value): Always use get_default_value on uninitialized
1912 (set_value_varying, surely_varying_stmt_p): New functions.
1913 (set_lattice_value): Do not pass argument to get_value.
1914 Do not handle UNKNOWN_VAL.
1915 (likely_value): Follow the semantics described in the comment.
1916 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
1917 phi nodes DONT_SIMULATE_AGAIN.
1918 (ccp_fold): Do not pass argument to get_value.
1919 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
1922 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1924 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
1925 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
1927 2006-11-08 Roger Sayle <roger@eyesopen.com>
1929 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
1930 test for inclusion rather than as a test for exclusion.
1931 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
1932 the condition after calling fold_binary.
1933 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
1934 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
1935 * builtins.c (fold_builtin_isascii): Likewise.
1936 (fold_builtin_isdigit): Likewise.
1938 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
1940 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
1941 * configure: Regenerate.
1943 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
1945 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
1946 enum argument instead of bool.
1947 (vect_analyze_operations): Call vectorizable_type_promotion.
1948 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
1949 stmt_vec_info_type value.
1950 (supportable_widening_operation, vectorizable_type_promotion): New
1951 function declarations.
1952 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
1953 (vectorizable_type_promotion): New function.
1954 (vect_transform_stmt): Call vectorizable_type_promotion.
1955 * tree-vect-analyze.c (supportable_widening_operation): New function.
1956 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
1958 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1961 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
1962 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
1963 * tree-inline.c (estimate_num_insns_1): Add cases for above new
1965 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1966 * expr.c (expand_expr_real_1): Likewise.
1967 * optabs.c (optab_for_tree_code): Likewise.
1968 (init_optabs): Initialize new optabs.
1969 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
1970 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
1971 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
1972 vec_unpacku_lo_optab): Initialize new optabs.
1973 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
1974 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
1975 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
1977 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
1978 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
1979 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
1980 (vec_unpacku_lo_optab): New optabs.
1981 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
1982 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
1983 (vec_widen_smult_hi, vec_widen_smult_lo): New.
1984 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
1985 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
1986 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
1988 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
1989 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
1990 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
1991 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
1992 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
1993 implement the unsigned unpacking patterns.
1994 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
1995 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
1996 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
1997 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
1998 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
1999 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2000 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2001 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2002 multiplication patterns.
2004 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2005 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2006 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2007 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2008 (rs6000_builtin_mul_widen_odd): New.
2009 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2010 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2011 * tree-vectorizer.h (enum vect_relevant): New enum type.
2012 (_stmt_vec_info): Field relevant chaned from bool to enum
2014 (STMT_VINFO_RELEVANT_P): Updated.
2015 (STMT_VINFO_RELEVANT): New.
2016 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2017 instead of STMT_VINFO_RELEVANT_P.
2018 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2019 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2020 and boolean variable with enum vect_relevant.
2021 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2022 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2023 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2025 2006-11-08 Richard Henderson <rth@redhat.com>
2027 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2028 vec_widen_umult_lo_v8hi): New.
2029 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2030 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2032 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2033 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2034 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2035 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2036 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2037 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2038 vec_unpacks_lo_v4si): New.
2040 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2042 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2043 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2044 (vect_analyze_operations): Call vectorizable_type_demotion.
2045 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2046 stmt_vec_info_type value.
2047 (vectorizable_type_demotion): New function declaration.
2048 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2051 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2052 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2054 * tree-iniline.c (estimate_num_insns_1): Likewise.
2055 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2056 * optabs.c (optab_for_tree_code): Likewise.
2058 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2059 compared against the predicate of the result is not 'mode' (the input
2060 to the function) but a mode with half the size of 'mode'.
2061 (init_optab): Initialize new optabs.
2062 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2064 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2066 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2067 (vec_pack_usat_optab): Initialize new optabs.
2068 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2069 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2071 2006-11-08 Richard Henderson <rth@redehat.com>
2073 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2074 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2075 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2076 (vec_interleave_highv4si, vec_interleave_lowv4si):
2077 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2079 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2081 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2083 (vect_transform_stmt): Removed redundant code.
2085 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2087 * tree-vect-transform.c (vectorizable_operation): Support multiple
2090 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2092 * tree-vect-transform.c (vect_align_data_ref): Removed.
2093 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2094 Updated function documentation. Return the increment stmt in ptr_incr.
2095 (bump_vector_ptr): New function.
2096 (vect_get_vec_def_for_stmt_copy): New function.
2097 (vect_finish_stmt_generation): Create a stmt_info to newly created
2099 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2101 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2102 VF is greater than the number of elements that can fit in one vector
2104 (vectorizable_operation, vectorizable_condition): Likewise.
2105 (vectorizable_store, vectorizable_load): Support the case that the VF
2106 is greater than the number of elements that can fit in one vector word.
2107 (vect_transform_loop): Don't fail in case of multiple data-types.
2108 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2109 in case of multiple data-types; the smallest type determines the VF.
2110 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2111 if they are of different sizes.
2112 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2113 number of elements rather than number of bytes.
2114 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2115 (vect_can_advance_ivs_p): Fix a dump printout
2117 2006-11-07 Eric Christopher <echristo@apple.com>
2119 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2120 (__bswapsi2): Ditto.
2121 * libgcc2.h: Remove transformation of bswap routines.
2122 * config/i386/i386.md (bswapsi2): New.
2125 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2127 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2128 (handle_gnu_inline_attribute): New function.
2129 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2130 (merge_decls, start_decl, start_function): Likewise.
2131 * doc/extend.texi: Document gnu_inline attribute.
2133 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2136 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2137 _fixunstfdi, and _floatditf
2139 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2141 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2143 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2144 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2145 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2146 which start in an odd register.
2148 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2150 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2152 2006-11-07 Josh Conner <jconner@apple.com>
2154 * doc/invoke.texi (fstrict-aliasing): Move implementation
2156 * doc/tree-ssa.texi (Alias analysis): ...here.
2158 2006-11-07 Richard Guenther <rguenther@suse.de>
2160 PR tree-optimization/29610
2161 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2162 of tree_purge_dead_eh_edges as it may free dominators.
2164 * g++.dg/other/pr29610.C: New testcase.
2166 2006-11-07 David Ung <davidu@mips.com>
2168 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2169 costs when optimizing for size.
2170 (override_options): Use mips_rtx_cost_optimize_size table for cost
2173 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2175 * gcc.c (process_command): Treat -b as normal switch if its argument
2178 2006-11-07 David Ung <davidu@mips.com>
2180 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2183 2006-11-06 Eric Christopher <echristo@apple.com>
2185 * config.gcc: Add x86_64-darwin host support.
2186 * config.host: Ditto.
2187 * config/i386/darwin64.h: New file.
2188 * config/i386/t-darwin64: Ditto.
2190 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2192 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2193 and output-exists-not.
2195 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2198 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2199 checking for overflow.
2201 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2203 * configure.ac: Fixed typo in case statement: :: changed to ;;
2205 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2207 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2208 count_leading_zeros, and count_trailing_zeros.
2209 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2210 (TARGET_FOLD_BUILTIN): Define.
2211 (TARGET_EXPAND_BUILTIN): Define.
2212 (xtensa_init_builtins): New.
2213 (xtensa_fold_builtin): New.
2214 (xtensa_expand_builtin): New.
2215 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2216 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2217 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2218 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2219 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2220 (any_extend): New code macro.
2221 (u, su): New code attributes.
2222 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2223 (nsau): Remove; replaced by clzsi2.
2224 (ffssi2): Use clzsi2.
2225 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2226 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2227 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2228 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2229 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2231 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2233 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2235 * config/arm/t-strongarm-elf: Likewise.
2236 * config/arm/t-pe: Likewise.
2237 * config/arm/t-arm-elf: Likewise.
2238 * config/arm/t-xscale-elf: Likewise.
2239 * config/arm/t-arm-coff: Likewise.
2240 * config/arm/t-xscale-coff: Likewise.
2241 * config/arm/t-wince-pe: Likewise.
2243 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2245 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2248 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2251 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2254 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2257 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2258 as a valid 80387 constant.
2259 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2260 * config/i386/i386.md (unnamed splitter): Split the load of
2261 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2264 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2266 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2267 from the soft-frame, argument and virtual registers.
2269 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2271 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2272 patterns for standard 80387 constants.
2274 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2275 Steven Bosscher <steven@gcc.gnu.org>
2277 * fwprop.c: New file.
2278 * Makefile.in: Add fwprop.o.
2279 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2280 * passes.c (init_optimization_passes): Schedule forward propagation.
2281 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2283 * timevar.def (TV_FWPROP): New.
2284 * common.opt (-fforward-propagate): New.
2285 * opts.c (decode_options): Enable forward propagation at -O2.
2286 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2287 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2288 canon_for_address, table_size): Remove.
2289 (new_basic_block, insert, remove_from_table): Remove references to
2291 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2292 simplification loop more straightforward by not calling fold_rtx
2294 (equiv_constant): Move here a small part of fold_rtx_subreg,
2295 do not call fold_rtx. Call avoid_constant_pool_reference
2297 * recog.h (canonicalize_change_group): New.
2299 * doc/invoke.texi (Optimization Options): Document fwprop.
2300 * doc/passes.texi (RTL passes): Document fwprop.
2302 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2304 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2305 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2306 (grokdeclarator): Likewise.
2308 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2310 * tree-dump.c (dump_enable_all): Rename local variable
2311 ir_type to avoid name conflicts.
2312 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2313 instead of using ir_type().
2314 * profile.c (tree_register_profile_hooks): Likewise.
2315 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2316 * basic-block.h (struct edge_def): Likewise.
2317 * config/arm/arm.c (legitimize_pic_address): Likewise.
2318 * coretypes.h (ir_type): New enum of all intermediate languages
2320 * cfghooks.c (ir_type): Rename to...
2321 (current_ir_type): ...this. Distinguish between cfgrtl and
2322 cfglayout mode when the current IR is RTL. Return enum ir_type.
2323 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2325 2006-11-03 Paul Brook <paul@codesourcery.com>
2327 * config/arm/arm.c (arm_file_start): New function.
2328 (TARGET_ASM_FILE_START): Define.
2329 (arm_default_cpu): New variable.
2330 (arm_override_options): Set arm_default_cpu.
2332 2006-11-03 David Ung <davidu@mips.com>
2334 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2335 PROCESSOR_24KC and PROCESSOR_24KF.
2336 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2337 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2338 (mips_rtx_cost_data): Add costs for the 24kc.
2339 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2340 * config/mips/24k.md: Remove references to 24k and replace with
2341 uses of 24kc/24kf in the appropriate reservations.
2342 * doc/invoke.texi (MIPS Options): Updated.
2344 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2346 * config/sh/crt1.asm: Fix #ifdef indent.
2348 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2349 Merged from STMicroelectronics sources:
2350 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2351 * config/sh/crt1.asm (vbr_600): Add missing #if.
2352 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2353 * sh.opt (mfused-madd): New option.
2354 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2355 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2356 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2357 Remove pointless handler at VBR+0.
2358 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2359 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2360 fr7. Make sure the timer handler is called with the correct FPU
2361 precision setting, according to the ABI.
2362 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2363 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2364 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2365 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2366 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2367 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2368 zero as second operand.
2369 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2370 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2371 Fixed some bugs related to negative values, in particular -0
2372 and overflow at -0x80000000.
2373 * config/sh/divcost-analysis: Added sh4-300 figures.
2374 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2375 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2376 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2377 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2378 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2379 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2381 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2383 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2384 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2385 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2386 mac_mem, mem_mac, dfp_mul, fp_cmp.
2387 (insn_class, dfp_comp, any_fp_comp): Update.
2388 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2389 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2390 (muldf3_i): Likewise.
2391 (movsi_i): Split rI08 alternative into two separate alternatives.
2393 (movsi_ie, movsi_i_lowpart): Likewise.
2394 (movqi_i): Split ri alternative into two separate alternatives.
2396 * sh1.md (sh1_load_store, sh1_fp): Update.
2397 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2398 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2399 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2400 (sh4a_fp_double_arith): Likewise.
2401 * sh4-300.md: New file.
2402 * sh.c (sh_handle_option): Handle m4-300* options.
2403 (sh_adjust_cost): Fix latency of auto-increments.
2404 Handle SH4-300 differently than other SH4s. Check for new insn types.
2405 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2406 been set by an option.
2407 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2408 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2409 (mbranch-cost=): Likewise.
2410 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2412 * sh.md (mulsf3): Remove special expansion code.
2413 (mulsf3_ie): Now a define_insn_and_split.
2414 (macsf3): Allow for TARGET_SH4.
2416 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2417 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2418 (expand_cbranchdi4): Likewise.
2419 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2420 CONST_DOUBLE if the outer code is COMPARE.
2421 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2422 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2423 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2424 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2425 Remove redundant fp_{zero,one}_operand checks.
2426 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2427 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2428 (expand_cbranchdi4): Likewise.
2429 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2430 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2432 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2434 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2437 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2439 * doc/invoke.texi: Fix mfp-trap-mode typo.
2441 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2443 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2444 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2445 file_end_indicate_exec_stack.
2446 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2448 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2449 for a non-executable stack.
2450 * crti.asm: Likewise.
2451 * crtn.asm: Likewise.
2452 * libunwind.S: Likewise.
2454 2006-11-02 Ben Elliston <bje@au.ibm.com>
2456 * tree-ssa.c (warn_uninit): Use expand_location variables for
2457 locus and declaration locus.
2459 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2462 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2463 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2464 cmp{eq,gt,gtu}{si,di}_media.
2465 (*cmpne0si_media): Remove.
2466 (*movsicc_umin): Adjust gen_cmp*_media call.
2467 (unordered): Change the mode of unordered and operands[1] to
2469 (seq): Adjust gen_cmp*_media calls. Make the mode of
2470 a temporary result of compare SImode if needed. If the mode
2471 of operands[0] is DImode, extend the temporary result to DImode.
2472 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2473 (sunorderd): Change the mode of match_operand and unorderd to
2475 (cmpeq{sf,df}_media): Remove.
2476 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2477 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2478 and compare operation to SImode.
2480 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2482 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2484 (sparc64-sun-solaris2*): Likewise.
2486 2006-11-02 Paul Brook <paul@codesourcery.com>
2488 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2489 from priority argument. Use different section for non-default
2491 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2493 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2496 * except.c (switch_to_exception_section): Do not cache the section
2497 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2498 and flag_function_sections is set.
2500 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2503 * builtins.c (do_mpfr_sincos): New.
2504 (fold_builtin_1): Use it to fold builtin sincos.
2506 2006-11-01 Roger Sayle <roger@eyesopen.com>
2508 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2509 it into -D_REENTRANT.
2511 2006-11-01 Roger Sayle <roger@eyesopen.com>
2513 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2514 whether the assembler supports taking the difference of symbols in
2515 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2516 * configure: Regenerate.
2517 * config.in: Regenerate.
2518 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2519 the assembler doesn't support taking the difference of symbols in
2520 different sections, i.e. we're using the native solaris assembler.
2522 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2523 Peter Bergner <bergner@vnet.ibm.com>
2525 * doc/invoke.texi: Add cpu_type power6x
2526 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2527 * config.gcc: Add cpu_type power6x.
2528 * configure.ac: Add test for mf{t,f}gpr instructions.
2529 (HAVE_AS_MFPGPR): New.
2530 * config.in: Regenerate.
2531 * configure: Regenerate.
2532 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2533 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2534 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2535 and mftgpr attributes.
2536 (define_attr "cpu"): Add power6.
2537 Change instruction sequences to use new attributes.
2538 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2539 (fix_truncdfsi2_mfpgpr): New.
2540 (floatsidf_ppc64_mfpgpr): New.
2541 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2542 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2543 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2544 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2545 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2546 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2547 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2548 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2549 cntlz,exts and var_delayed_compare.
2550 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2551 _ARCH_PWR6X, if features enabled.
2552 * config/rs6000/rs6000.opt (mmfpgpr): New.
2553 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2554 (cached_can_issue_more): New variable.
2555 (processor_costs): Add power6_cost.
2556 (rs6000_sched_init): New function.
2557 (is_dispatch_slot_restricted): Deleted.
2558 (set_to_load_agen): New function.
2559 (is_load_insn,is_store_insn): New functions.
2560 (adjacent_mem_locations): New function.
2561 (insn_must_be_first_in_group): New function.
2562 (insn_must_be_last_in_group): New function.
2563 (rs6000_sched_reorder): New function.
2564 (rs6000_sched_reorder2): New function.
2565 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2566 TARGET_SCHED_REORDER2): Define.
2567 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2568 Add power6x. Add MASK_MFPGPR for power6x.
2569 (POWERPC_MASKS): Add MASK_MFPGPR.
2570 (rs6000_override_options): Set rs6000_always_hint to false
2571 for power6. Set rs6000_align_branch_targets. Replace
2572 rs6000_sched_groups check with rs6000_align_branch_targets.
2573 Use PROCESSOR_POWER6.
2574 (last_scheduled_insn): New variable.
2575 (load_store_pendulum): New variable.
2576 (rs6000_variable_issue): Set last_scheduled_insn and
2577 cached_can_issue_more.
2578 (rs6000_adjust_cost): Add power6 cost adjustments.
2579 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2580 with insn_must_be_first_in_group. Add power6 priority adjustments.
2581 (rs6000_issue_rate): Add CPU_POWER6.
2582 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2583 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2584 (TARGET_MFPGPR): New.
2585 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2586 (ASM_CPU_SPEC): Add power6x.
2587 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2589 * config/rs6000/power6.md: New file.
2591 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2593 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2594 HOST_WIDE_INT_PRINT to print high and low parts. Use
2595 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2596 printing a hexadecimal number prefix it with 0x.
2598 2006-11-01 Chris Johns <chris@contemporary.net.au>
2601 * Makefile.in (install-driver): Use exeext when installing
2602 $target-gcc-$version.
2604 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2606 * c-common.c (flag_cpp0x): New.
2607 * c-common.h (flag_cpp0x): New.
2608 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2609 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2610 * c-opts.c (set_std_cxx0x): New.
2611 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2612 * c.opt (std=c++0x): Document.
2613 (std=gnu++0x): Ditto.
2614 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2615 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2617 2006-11-01 Richard Guenther <rguenther@suse.de>
2619 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2621 (ix86_expand_floorceildf_32): Likewise.
2622 (ix86_expand_floorceil): Likewise.
2623 (ix86_expand_trunc): Likewise.
2625 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2627 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2630 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2632 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2634 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2636 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2638 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2639 * configure.ac (use_cxa_atexit): As a special case, don't test
2640 for libc definition of __cxa_atexit on mingw32
2641 * configure: Regenerate.
2642 * config.gcc (i[34567]86-pc-mingw32): Default to
2643 enable__cxa_atexit=yes.
2645 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2647 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2649 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2652 * c-decl.c (start_struct): Don't create self-containing
2654 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2656 * config/rs6000/rs6000-protos.h
2657 (darwin_rs6000_special_round_type_align): New.
2658 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2659 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2661 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2663 * toplev.c (compile_file): Call final_write_globals
2664 even if there have been errors.
2666 2006-10-31 Eric Christopher <echristo@apple.com>
2667 Falk Hueffner <falk@debian.org>
2669 * doc/extend.texi (__builtin_bswap32): Document.
2670 (__builtin_bswap64): Ditto.
2671 * doc/libgcc.texi (bswapsi2): Document.
2673 * doc/rtl.texi (bswap): Document.
2674 * optabs.c (expand_unop): Don't widen a bswap.
2675 (init_optabs): Init bswap. Set libfuncs explicitly
2676 for bswapsi2 and bswapdi2.
2677 * optabs.h (OTI_bswap): New.
2678 (bswap_optab): Ditto.
2679 * genopinit.c (optabs): Handle bswap_optab.
2680 * tree.h (tree_index): Add TI_UINT32_TYPE and
2682 (uint32_type_node): New.
2683 (uint64_type_node): Ditto.
2684 * tree.c (build_common_tree_nodes_2): Initialize
2685 uint32_type_node and uint64_type_node.
2686 * builtins.c (expand_builtin_bswap): New.
2687 (expand_builtin): Call.
2688 (fold_builtin_bswap): New.
2689 (fold_builtin_1): Call.
2690 * fold-const.c (tree_expr_nonnegative_p): Return true
2692 * builtin-types.def (BT_UINT32): New.
2694 (BT_FN_UINT32_UINT32): Ditto.
2695 (BT_FN_UINT64_UINT64): Ditto.
2696 * builtins.def (BUILT_IN_BSWAP32): New.
2697 (BUILT_IN_BSWAP64): Ditto.
2698 * rtl.def (BSWAP): New.
2699 * genattrtab.c (check_attr_value): New.
2700 * libgcc2.c (__bswapSI2): New.
2701 (__bswapDI2): Ditto.
2702 * libgcc2.h (__bswapSI2): Declare.
2703 (__bswapDI2): Ditto.
2704 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2705 * simplify-rtx.c (simplify_const_unary_operation): Return
2707 * libgcc-std.ver (__bwapsi2): Add.
2708 (__bswapdi2): Ditto.
2709 * reload1.c (eliminate_regs_1): Add bswap.
2710 (elimination_effects): Ditto.
2711 * config/i386/i386.h (x86_bswap): New.
2712 (TARGET_BSWAP): Use.
2713 * config/i386/i386.c (x86_bswap): Set.
2715 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2717 * coverage.c (coverage_checksum_string): Update comment.
2718 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2719 of get_file_function_name.
2720 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2721 of get_file_function_name_long.
2722 * tree.c (get_file_function_name): Rename from
2723 get_file_function_name_long; improve comment; handle 'I' and 'D'
2724 specially when the target has ctor/dtor support; remove special
2726 (get_file_function_name): Remove.
2727 * tree.h (get_file_function_name): Rename from
2728 get_file_function_name_long.
2729 (get_file_function_name): Remove prototype.
2731 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2733 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2734 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2736 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2737 Call dsymutil when compiling and linking one or more source files
2740 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2743 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2745 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2747 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2748 inline static functions in c99 mode.
2751 * doc/extend.texi (Inline): Update.
2752 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2753 * c-decl.c (current_extern_inline): Delete.
2754 (pop_scope): Adjust test for an undefined nested function.
2755 Add warning about undeclared inline function.
2756 (diagnose_mismatched_decls): Update comments. Disallow overriding
2757 of inline functions in a translation unit in C99. Allow inline
2758 declarations in C99 at any time.
2759 (merge_decls): Boolize variables. Handle C99 'extern inline'
2761 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2762 C99 inline semantics.
2763 (start_function): Don't clear current_extern_inline. Don't set
2765 (c_push_function_context): Don't push current_extern_inline.
2766 (c_pop_function_context): Don't restore current_extern_inline.
2769 * c-typeck.c (build_external_ref): Warn about static variables
2770 used in extern inline functions.
2771 * c-decl.c (start_decl): Warn about static variables declared
2772 in extern inline functions.
2774 2006-10-31 Roger Sayle <roger@eyesopen.com>
2777 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2778 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2779 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2780 or y is an even integer.
2782 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2785 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2786 * gthr-posix95.h (__gthread_active_p): Likewise.
2788 2006-10-31 Richard Guenther <rguenther@suse.de>
2790 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2791 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2792 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2793 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2794 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2795 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2796 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2797 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2800 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2802 * opts.c (decode_options): Disable CSE skip blocks.
2804 2006-10-30 Dirk Mueller <dmueller@suse.de>
2806 * c-common.h (strict_aliasing_warning): Fix whitespace.
2807 * c-decl (start_function): Move code for main decl warning ..
2808 * c-common.c (check_main_parameter_types): .. here.
2809 * c-common.h (check_main_parameter_types): Declare.
2811 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2814 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2816 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2818 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2819 be a PARALLEL containing sets. Return false when out_pat is not
2822 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2824 * config/mips/mips.md (mul<mode>3): Split into...
2825 (mulsi3, muldi3): ...these separate patterns.
2827 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2829 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2830 but with each set of options separated by spaces.
2832 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2834 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2835 dwarf_reg_size_table has been initialized.
2837 2006-10-30 Roger Sayle <roger@eyesopen.com>
2839 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2840 * ddg.c (print_ddg_edge): Likewise.
2841 * dwarf2out.c (prune_unused_types_walk): Likewise.
2842 * ifcvt.c (noce_try_cmove_arith): Likewise.
2843 * langhooks.c (add_builtin_function): Likewise.
2844 * reg-stack.c (subst_stack_regs_pat): Likewise.
2845 * tree.c (expanded_location): Likewise.
2846 * tree-dump.c (dequeue_and_dump): Likewise.
2848 2006-10-30 David Daney <ddaney@avtrex.com>
2850 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2852 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2854 PR tree-optimization/29637
2855 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2856 of the innertype is the innertype itself.
2858 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2860 * dwarf2out.c (file_name_acquire): Correct typo.
2862 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2864 * tree.h (tree_value_handle): Remove struct value_set declaration.
2865 Change value_set to bitmap_set.
2866 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2867 * tree-vn.c (get_value_handle): Made inline and moved to
2869 * tree-flow-inline.h: (has_stmt_ann): New function.
2870 * tree-ssa-pre.c (expressions): New variable.
2871 (next_expression_id): Ditto.
2872 (alloc_expression_id): New function.
2873 (struct value_set): Remove.
2874 (get_expression_id): New function.
2875 (get_or_alloc_expression_id): Ditto.
2876 (expression_for_id): Ditto.
2877 (clear_expression_ids): Ditto.
2878 (FOR_EACH_EXPR_ID_IN_SET): New macro.
2879 (bb_value_sets): Renamed to bb_bitmap_sets.
2880 All value sets replaced with bitmap_sets.
2882 (BB_VISITED): New macro.
2883 (postorder): New variable.
2884 (add_to_value): Removed.
2885 (value_exists_in_set_bitmap): Ditto.
2886 (value_insert_into_set_bitmap): Ditto.
2889 (set_remove): Ditto.
2890 (set_contains_value): Ditto.
2891 (insert_into_set): Ditto.
2893 (find_leader): Ditto.
2894 (bitmap_set_subtract_from_value_set): Ditto.
2895 (value_insert_into_set): Ditto.
2896 (print_value_set): Ditto.
2897 (debug_value_set): Ditto.
2898 (constant_expr_p): New function.
2899 (bitmap_remove_from_set): Ditto.
2900 (bitmap_insert_into_set): Ditto.
2901 (bitmap_set_free): Ditto.
2902 (vh_compare): Ditto.
2903 (sorted_array_from_bitmap_set): Ditto.
2904 (bitmap_set_subtract): Ditto.
2905 (bitmap_set_equal): Ditto.
2906 (debug_bitmap_set): Ditto.
2907 (find_leader_in_sets): Ditto.
2908 (bitmap_set_replace_value): Modify for bitmapped sets.
2909 (phi_translate): Ditto.
2910 (phi_translate_set): Ditto.
2911 (bitmap_find_leader): Ditto.
2912 (valid_in_sets): Ditto.
2913 (union_contains_value): Ditto.
2915 (compute_antic_aux): Ditto. Mark changed blocks.
2916 (compute_antic): Ditto. Iterate in postorder and only over
2918 (compute_rvuse_and_antic_safe): Reuse postorder.
2919 (create_component_ref_by_pieces): Modify for bitmapped sets.
2920 (find_or_generate_expression): Ditto.
2921 (create_expression_by_pieces): Ditto.
2922 (insert_into_preds_of_block): Ditto.
2923 (changed_blocks): New variable.
2924 (do_regular_insertion): Broken out from insert_aux.
2925 (insert_aux): Modified for bitmapped sets.
2926 (find_existing_value_expr): New function.
2927 (create_value_expr_from): Use it.
2928 (insert_extra_phis): Removed.
2929 (print_bitmap_set): Renamed from bitmap_print_value_set.
2930 (compute_avail): Handle RETURN_EXPR.
2931 (init_pre): Modify for bitmapped sets.
2932 * tree-flow.h (has_stmt_ann): New function.
2934 2006-10-29 Roger Sayle <roger@eyesopen.com>
2936 * builtins.c (fold_builtin_floor): Check for the availability of
2937 the C99 trunc function before transforming floor into trunc.
2939 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2941 * builtins.c (fold_builtin_hypot): Rearrange recursive
2942 transformation before others, and also do ABS_EXPR. When
2943 necessary, check flag_unsafe_math_optimizations. When necessary,
2946 2006-10-29 Roger Sayle <roger@eyesopen.com>
2948 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
2949 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
2950 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
2951 Fold -X eq/ne -Y as X eq/ne Y.
2953 2006-10-29 Richard Sandiford <richard@codesourcery.com>
2955 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
2956 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
2957 rather than GENERATE_MULT3_SI in the various define_peephole2s.
2958 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
2959 Use an inclusive test for "mult" rather than "mul".
2960 (rotr<mode>3): Depend on ISA_HAS_ROR.
2961 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
2963 (GENERATE_MULT3_DI): Delete.
2964 (ISA_HAS_64BIT_REGS): Use consistent formatting.
2965 (ISA_HAS_MUL3): New macro.
2966 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
2967 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
2968 (ISA_HAS_CLZ_CLO): Likewise.
2969 (ISA_HAS_DCLZ_DCLO): Delete.
2970 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
2971 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
2972 the VR4120 and VR4130.
2973 (ISA_HAS_MACCHI): Use consistent formatting.
2974 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
2975 (ISA_HAS_ROR): ...this new macro.
2976 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
2977 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
2978 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
2980 2006-10-29 Roger Sayle <roger@eyesopen.com>
2982 PR tree-optimization/15458
2983 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
2986 2006-10-29 Richard Guenther <rguenther@suse.de>
2988 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
2989 (ix86_expand_truncdf_32): Likewise.
2990 * config/i386/i386.c (ix86_expand_trunc): New function expanding
2991 trunc inline for SSE math and -fno-trapping-math and if not
2992 optimizing for size.
2993 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
2994 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
2995 for expanding btrunc inline for SSE math.
2997 2006-10-29 Joseph Myers <joseph@codesourcery.com>
2999 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3000 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3001 i[34567]86-*-solaris2.1[0-9]*.
3002 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3003 Define conditionally depending on TARGET_64BIT_DEFAULT.
3004 (SPEC_32, SPEC_64): Define.
3005 (LINK_SPEC): Use them.
3006 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3008 2006-10-29 Richard Guenther <rguenther@suse.de>
3010 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3011 (ix86_expand_rounddf_32): Likewise.
3012 * config/i386/i386.c (ix86_expand_round): New function expanding
3013 round inline for SSE math and -fno-trapping-math and if not
3014 optimizing for size.
3015 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3016 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3017 round via ix86_expand_round.
3019 2006-10-29 Richard Guenther <rguenther@suse.de>
3021 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3022 (ix86_expand_floorceildf_32): Likewise.
3023 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3024 static helper function.
3025 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3027 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3028 * config/i386/i386.md (floordf2): Adjust to enable floor
3029 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3030 -fno-trapping-math is enabled and if not optimizing for size.
3031 (floorsf2, ceildf2, ceilsf2): Likewise.
3032 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3033 (sse2_maskcmpdf3): Likewise.
3035 2006-10-29 Richard Guenther <rguenther@suse.de>
3037 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3038 rint in case -fno-trapping-math is enabled.
3039 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3040 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3041 (ix86_expand_sse_fabs): Likewise.
3042 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3043 * config/i386/i386.md (rintdf2): Enable for SSE math if
3044 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3045 (rintsf2): Likewise.
3047 2006-10-29 Richard Guenther <rguenther@suse.de>
3049 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3050 to conversion optabs.
3051 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3052 as conversion optab.
3053 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3054 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3055 (lfloor_optab, lceil_optab): Adjust defines.
3056 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3057 lfloor and lceil optabs now being conversion optabs.
3058 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3059 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3060 New static helper function.
3061 (ix86_expand_lfloorceil): New function to expand lfloor and
3063 * config/i386/i386.md (lfloor<mode>2): Split into ...
3064 (lfloorxf<mode>2): ... x87 variant
3065 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3066 using ix86_expand_lfloorceil.
3067 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3069 * doc/md.texi (lfloorMN, lceilMN): Document.
3071 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3073 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3074 -mno-shared assembler option on mips targets.
3075 * configure, config.in: Regenerate.
3076 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3077 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3078 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3080 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3082 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3083 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3085 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3087 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3088 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3091 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3094 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3095 (fold_builtin_pow): Evaluate constant arguments at compile-time
3097 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3098 (do_mpfr_ckconv): New helper function.
3099 (do_mpfr_arg1): Use do_mpfr_ckconv.
3100 (do_mpfr_arg2): New.
3102 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3105 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3106 (-fdump-rtl-sched): Rename to ..
3107 (-fdump-rtl-sched1): here. Also fix file extension number.
3109 2006-10-28 Richard Guenther <rguenther@suse.de>
3111 * fold-const.c (maybe_canonicalize_comparison): Fix code
3114 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3116 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3117 (NON_QI_REG_P): Use IN_RANGE.
3118 (REX_INT_REGNO_P): Use IN_RANGE.
3119 (FP_REGNO_P): Use IN_RANGE.
3120 (SSE_REGNO_P): Use IN_RANGE.
3121 (REX_SSE_REGNO_P): Use IN_RANGE.
3122 (MMX_REGNO_P): Use IN_RANGE.
3123 (STACK_REGNO_P): New macro.
3124 (STACK_REG_P): Use STACK_REGNO_P.
3125 (NON_STACK_REG_P): Use STACK_REGNO_P.
3126 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3127 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3128 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3129 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3130 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3132 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3134 * except.h (output_function_exception_table): Add 'const char*' param.
3135 * except.c (switch_to_exception_section): Add 'const char*' param.
3136 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3137 and flag_function_sections is set, use a function-specific section.
3138 (output_function_exception_table): Add 'const char*' param.
3139 Adjust call to switch_to_exception_section.
3140 * final.c (rest_of_handle_final): Adjust calls to
3141 output_function_exception_table.
3142 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3143 * config.in: Regenerate.
3144 * configure: Likewise.
3146 2006-10-28 Richard Guenther <rguenther@suse.de>
3149 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3150 for maybe_canonicalize_comparison.
3151 (maybe_canonicalize_comparison): New function for canonicalizing
3153 (fold_comparison): Call it to canonicalize comparisons with
3156 2006-10-28 Richard Guenther <rguenther@suse.de>
3159 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3160 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3161 (expand_builtin): Adjust likewise.
3162 * genopinit.c (optabs[]): Add lround optab.
3163 * optabs.c (init_optabs): Initialize lround_optab.
3164 * optabs.h (enum convert_optab_index): Add COI_lround.
3165 (lround_optab): Define.
3166 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3167 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3169 (ix86_expand_lround): New function.
3170 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3172 * doc/md.texi (lroundMN2): Document.
3174 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3177 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3178 argument to HOST_WIDE_INT. Update function prototype.
3179 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3180 "size" argument to HOST_WIDE_INT. Update function prototype.
3182 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3184 * config/i386/i386.c (output_387_ffreep): Create output from a
3185 template string for !HAVE_AS_IX86_FFREEP.
3187 2006-10-27 Eric Christopher <echristo@apple.com>
3189 * config/darwin.c: Fix formatting and grammar.
3191 2006-10-27 Jan Hubicka <jh@suse.cz>
3193 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3194 to be thrown away soon when IGNORE is set.
3195 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3196 indicating when return value shall not be computed.
3197 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3199 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3201 * config/i386/i386.h (TARGET_GEODE):
3202 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3203 (TARGET_CPU_DEFAULT_geode): New macro.
3204 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3205 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3206 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3207 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3208 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3210 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3211 (processor_type): Add PROCESSOR_GEODE.
3213 * config/i386/i386.md: Include geode.md.
3216 * config/i386/i386.c (geode_cost): New initialized global
3218 (m_GEODE, m_K6_GEODE): New macros.
3219 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3220 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3221 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3222 x86_schedule): Use m_K6_GEODE instead of m_K6.
3223 (x86_movx, x86_cmove): Set up m_GEODE.
3224 (x86_integer_DFmode_moves): Clear m_GEODE.
3225 (processor_target_table): Add entry for geode.
3226 (processor_alias_table): Ditto.
3228 * config/i386/geode.md: New file.
3230 * doc/invoke.texi: Add entry about geode processor.
3232 2006-10-27 Mike Stump <mrs@apple.com>
3234 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3235 __DYNAMIC__ from here back to ...
3236 * config/darwin.h (CPP_SPEC): ... here.
3238 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3239 Nathan Sidwell <nathan@codesourcery.com>
3241 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3242 when choosing the minimum heapsize.
3244 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3246 * gcc/unwind-dw2.h: Move cfa-related variables into
3247 struct frame_state_reg_info to ensure that the CFA is properly
3248 handled when executing DW_CFA_{remember,restore}_state.
3249 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3250 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3251 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3252 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3253 gcc/config/rs6000/linux-unwind.h,
3254 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3255 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3256 Modify to use new cfa_* fields.
3258 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3260 * config/s390/s390.c (s390_init_frame_layout): Check positive
3263 2006-10-26 Ben Elliston <bje@au.ibm.com>
3265 * gimplify.c (get_name): Remove extraneous break.
3266 (gimplify_omp_for): Initialise ret with GS_OK.
3268 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3270 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3271 Add unix98.o to link line.
3273 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3276 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3277 Calculate compile-time constants using MPFR.
3278 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3279 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3281 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3283 * config/xtensa/lib2funcs.S: Use C-style comments.
3285 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3287 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3288 (file_table_relative_p): Likewise.
3289 (dwarf2out_finish): Likewise.
3290 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3292 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3294 * tree-ssa-structalias.c (intra_create_variable_infos):
3295 Don't recreate nonlocal_all if it already exists.
3297 2006-10-25 Richard Guenther <rguenther@suse.de>
3300 * optabs.h (enum optab_index): Remove OTI_lrint.
3301 (enum convert_optab_index): Add COI_lrint.
3302 (lrint_optab): Adjust.
3303 (expand_sfix_optab): Declare.
3304 * optabs.c (expand_sfix_optab): New function.
3305 (init_optabs): Init lrint_optab as conversion optab.
3306 * genopinit.c (lrint_optab): Change to a conversion optab.
3307 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3308 expansion via conversion optab.
3309 * config/i386/i386.md (*fistdi2_1): Remove
3310 flag_unsafe_math_optimizations guard.
3311 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3312 fist<mode>2_with_temp): Likewise.
3313 (lrint<mode>2): Split into...
3314 (lrintxf<mode>2): ... x87 part
3315 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3316 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3317 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3318 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3319 * doc/md.texi (lrintMN2): Document.
3321 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3324 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3325 Use inc and dec instructions for TARGET_USE_INCDEC.
3326 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3327 ("sync_double_compare_and_swap<mode>"): Likewise.
3328 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3329 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3330 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3331 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3332 ("sync_old_add<mode>"): Likewise.
3333 ("sync_lock_test_and_set<mode>"): Likewise.
3334 ("sync_lock_test_and_set<mode>"): Likewise.
3335 ("sync_add<mode>"): Likewise.
3336 ("sync_sub<mode>"): Likewise.
3337 ("sync_ior<mode>"): Likewise.
3338 ("sync_and<mode>"): Likewise.
3339 ("sync_xor<mode>"): Likewise.
3341 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3343 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3344 (remainder_optab): Define corresponding macro.
3345 (drem_optab): Remove.
3346 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3347 drem_optab initialization.
3348 * genopinit.c (optabs): Implement remainder_optab using
3349 remainder?f3 patterns. Remove drem_optab.
3350 * builtins.c (expand_builtin_mathfn_2): Handle
3351 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3352 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3353 expand_builtin_mathfn_2.
3355 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3356 depend on flag_unsafe_math_optimizations.
3358 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3359 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3360 Do not depend on flag_unsafe_math_optimizations. Use
3361 truncxf?f expander instead of truncxf?f_i387_noop.
3363 ("fpremxf4", "fprem1xf4"): Do not depend on
3364 flag_unsafe_math_optimizations.
3365 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3366 flag_unsafe_math_optimizations. Use truncxf?f expander
3367 instead of truncxf?f_i387_noop.
3369 * doc/md.texi (fmod, remainder): Document standard named pattern.
3371 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3372 David Daney <ddaney@avtrex.com>
3375 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3377 2006-10-25 Ben Elliston <bje@au.ibm.com>
3379 * doc/extend.texi (Variable Attributes): Typo fix.
3381 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3383 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3384 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3385 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3386 (FRAME_POINTER_REGNUM): Update register number to 21.
3387 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3388 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3390 * config/i386/i386.c (regclass_map): Add fpcr entry.
3391 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3393 (print_reg): Assert REGNO (x) != FPCR_REG.
3395 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3396 (DIRFLAG_REG): Renumber.
3397 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3398 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3399 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3400 hardcoded SSE register numbers.
3402 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3403 hardcoded MMX register numbers.
3405 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3408 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3409 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3411 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3412 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3413 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3414 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3416 2006-10-24 Richard Guenther <rguenther@suse.de>
3419 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3420 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3421 for deciding optimizations in consistency with fold-const.c
3422 (fold_builtin_unordered_cmp): Likewise.
3424 2006-10-24 Richard Guenther <rguenther@suse.de>
3426 * builtins.c (fold_builtin_floor): Fold floor (x) where
3427 x is nonnegative to trunc (x).
3428 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3429 nonnegative to FIX_TRUNC_EXPR.
3431 2006-10-24 Richard Guenther <rguenther@suse.de>
3433 PR tree-optimization/29567
3434 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3435 for TRUTH_NOT_EXPR. Clarify comments.
3437 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3440 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3441 at compile-time using MPFR. Change parameter VALUE to FUNC,
3443 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3444 for overflow and underflow at all times and avoid folding in
3447 2006-10-24 Ben Elliston <bje@au.ibm.com>
3449 * reload1.c: Formatting fixes.
3451 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3453 PR tree-optimization/14784
3454 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3455 * tree-ssa-structalias.c (get_constraint_for,
3456 intra_create_variable_infos): Set is_heapvar.
3457 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3458 non-heapvar pointer variables specially.
3460 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3463 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3464 fold_builtin_tan): Fold all constant arguments. Take a "type"
3465 argument as necessary.
3466 (do_mpfr_arg1): New.
3467 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3469 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3471 * config/xtensa/lib1funcs.asm: Use C-style comments.
3473 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3475 * tree.c (local_define_builtin): Replace calls to
3476 lang_hooks.builtin_function with add_builtin_function.
3477 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3479 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3481 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3482 common code to add_builtin_function.
3483 * langhooks.c (add_builtin_function): New function.
3484 (lhd_builtin_function): New function.
3485 * langhooks.h (struct lang_hooks): Change the signature of
3487 (add_builtin_function): New function.
3488 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3489 calls to lang_hooks.builtin_function with add_builtin_function.
3490 * c-common.c (decl_builtin_1): Replace calls to
3491 lang_hooks.builtin_function with add_builtin_function.
3492 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3493 lang_hooks.builtin_function with add_builtin_function.
3494 * config/frv/frv.c (def_builtin): Replace calls to
3495 lang_hooks.builtin_function with add_builtin_function.
3496 * config/s390/s390.c (s390_init_builtins): Replace calls to
3497 lang_hooks.builtin_function with add_builtin_function.
3498 * config/sparc/sparc.c (def_builtin): Replace calls to
3499 lang_hooks.builtin_function with add_builtin_function.
3500 * config/i386/i386.c (def_builtin): Replace calls to
3501 lang_hooks.builtin_function with add_builtin_function.
3502 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3503 lang_hooks.builtin_function with add_builtin_function.
3504 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3505 lang_hooks.builtin_function with add_builtin_function.
3506 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3507 Replace calls to lang_hooks.builtin_function with
3508 add_builtin_function.
3509 * config/iq2000/iq2000.c (def_builtin):
3510 Replace calls to lang_hooks.builtin_function with
3511 add_builtin_function.
3512 * config/ia64/ia64.c (def_builtin): Replace calls to
3513 lang_hooks.builtin_function with add_builtin_function.
3514 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3515 lang_hooks.builtin_function with add_builtin_function.
3516 (altivec_init_builtins): Replace calls to
3517 lang_hooks.builtin_function with add_builtin_function.
3518 * config/arm/arm.c (def_mbuiltin): Replace calls to
3519 lang_hooks.builtin_function with add_builtin_function.
3520 (arm_init_tls_builtins): Replace calls to
3521 lang_hooks.builtin_function with add_builtin_function.
3522 * config/mips/mips.c (mips_init_builtins): Replace calls to
3523 lang_hooks.builtin_function with add_builtin_function.
3524 * config/bfin/bfin.c (def_builtin): Replace calls to
3525 lang_hooks.builtin_function with add_builtin_function.
3526 * langhooks-def.h (lhd_builtin_function): New function.
3527 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3529 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3531 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3532 BUILT_IN_STRNCAT_CHK.
3534 2006-10-23 Jan Hubicka <jh@suse.cz>
3536 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3537 don't do conversion from memmove to memcpy here.
3538 (expand_builtin_bcopy, expand_builtin): Update call of
3539 expand_builtin_memmove.
3540 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3542 2006-10-23 Paul Brook <paul@codesourcery.com>
3544 * stor-layout.c (start_record_layout): maximum_field_alignment
3545 overrides STRUCTURE_SIZE_BOUNDARY.
3547 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3549 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3550 nonlocal function symbols if flag_pic.
3552 2006-10-23 Richard Guenther <rguenther@suse.de>
3556 * builtins.c (fold_binary): Remove checks for flag_wrapv
3557 and flag_trapv where negate_expr_p covers these cases.
3559 2006-10-23 Richard Guenther <rguenther@suse.de>
3562 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3563 of two on the absolute value.
3564 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3565 and negating -C does not overflow.
3567 2006-10-23 Richard Guenther <rguenther@suse.de>
3570 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3571 only if not flag_rounding_math.
3573 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3574 Kaz Kojima <kkojima@gcc.gnu.org>
3577 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3578 SImode memory reference for the source of a movua.
3579 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3580 (movua): Use an unspec instead of sign_extract. Expect the source
3581 to have mode BLKmode.
3582 (extv, insv): Use a BLKmode rather than SImode memory reference
3583 for the source of a movua.
3585 2006-10-22 Jeff Law <law@redhat.com>
3586 Richard Guenther <rguenther@suse.de>
3588 PR tree-optimization/15911
3589 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3590 (register_edge_assert_for_1): Likewise.
3591 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3592 (find_conditional_asserts): Adjust for new function signature.
3593 (find_assert_locations): Likewise.
3595 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3597 * config/i386/tmmintrin.h: Remove the duplicated content.
3599 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3601 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3602 (x86_64-*-*): Likewise.
3604 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3605 (override_options): Check SSSE3.
3606 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3607 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3608 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3609 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3610 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3611 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3612 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3613 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3614 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3615 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3616 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3617 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3618 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3619 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3620 IX86_BUILTIN_PABSD128.
3621 (bdesc_2arg): Add SSSE3.
3622 (bdesc_1arg): Likewise.
3623 (ix86_init_mmx_sse_builtins): Support SSSE3.
3624 (ix86_expand_builtin): Likewise.
3625 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3627 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3628 (UNSPEC_PSIGN): Likewise.
3629 (UNSPEC_PALIGNR): Likewise.
3630 Include mmx.md before sse.md.
3632 * config/i386/i386.opt: Add -mssse3.
3634 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3635 (ssse3_phaddwv4hi3): Likewise.
3636 (ssse3_phadddv4si3): Likewise.
3637 (ssse3_phadddv2si3): Likewise.
3638 (ssse3_phaddswv8hi3): Likewise.
3639 (ssse3_phaddswv4hi3): Likewise.
3640 (ssse3_phsubwv8hi3): Likewise.
3641 (ssse3_phsubwv4hi3): Likewise.
3642 (ssse3_phsubdv4si3): Likewise.
3643 (ssse3_phsubdv2si3): Likewise.
3644 (ssse3_phsubswv8hi3): Likewise.
3645 (ssse3_phsubswv4hi3): Likewise.
3646 (ssse3_pmaddubswv8hi3): Likewise.
3647 (ssse3_pmaddubswv4hi3): Likewise.
3648 (ssse3_pmulhrswv8hi3): Likewise.
3649 (ssse3_pmulhrswv4hi3): Likewise.
3650 (ssse3_pshufbv16qi3): Likewise.
3651 (ssse3_pshufbv8qi3): Likewise.
3652 (ssse3_psign<mode>3): Likewise.
3653 (ssse3_psign<mode>3): Likewise.
3654 (ssse3_palignrti): Likewise.
3655 (ssse3_palignrdi): Likewise.
3656 (abs<mode>2): Likewise.
3657 (abs<mode>2): Likewise.
3659 * config/i386/tmmintrin.h: New file.
3661 * doc/extend.texi: Document SSSE3 built-in functions.
3663 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3665 2006-10-22 Ira Rosen <irar@il.ibm.com>
3667 * tree-vect-transform.c (vectorizable_load): Use the type of the
3668 return value of the mask_for_load builtin to create realign_load
3671 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3673 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3676 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3678 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3679 (UNSPEC_LDDQU): This.
3680 * config/i386/sse.md (sse3_lddqu): Updated.
3682 2006-10-21 Richard Guenther <rguenther@suse.de>
3684 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3685 (expand_builtin): Use it to expand lrint instead of
3686 expand_builtin_mathfn.
3688 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3691 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3692 flag_unsafe_math_optimizations is set.
3694 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3697 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3698 patterns to use memory input operand in x87->mem->XMM
3699 reload sequences. Skip transformation for TARGET_K8.
3701 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3703 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3704 force operand1 to register if both operands are memory operands.
3705 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3706 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3707 if both operands are memory operands.
3708 (truncdfsf2): Do not force operand1 to register if both operands
3709 are memory operands.
3711 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3713 * Makefile.in (LIBS): Add $(GMPLIBS).
3714 * doc/install.texi: Update GMP and MPFR requirements.
3715 * doc/sourcebuild.texi (need_gmp): Delete.
3717 2006-10-21 Richard Guenther <rguenther@suse.de>
3719 PR tree-optimization/3511
3720 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3721 got new invariant arguments during PHI translation.
3723 2006-10-21 Richard Guenther <rguenther@suse.de>
3726 * fold-const.c (fold_comparison): Fold signed comparisons
3727 of the form X +- C1 CMP Y +- C2.
3729 2006-10-21 Richard Guenther <rguenther@suse.de>
3732 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3733 if flag_unsafe_math_optimizations is specified. We have
3734 flag_finite_math_only for that.
3735 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3736 or flag_unsafe_math_optimizations.
3738 2006-10-21 Richard Guenther <rguenther@suse.de>
3740 * builtins.c (fold_builtin_classify): Fix typo.
3742 2006-10-21 Richard Guenther <rguenther@suse.de>
3745 * simplify-rtx.c (simplify_const_relational_operation):
3746 Do not constant-fold ORDERED and UNORDERED for
3747 flag_unsafe_math_optimizations but only we do not need to
3748 honor NaNs for the given mode.
3750 2006-10-21 Richard Guenther <rguenther@suse.de>
3753 * config/i386/i386.c (classify_argument): Remove redundant
3754 walking of the BINFOs.
3755 (contains_128bit_aligned_vector_p): Likewise.
3757 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3759 * BASE-VER: Set to 4.3.0.
3761 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3763 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3764 (tree_decl_with_vis): Remove artificial_pta_var flag.
3765 * tree-flow.h (referenced_var_check_and_insert): Expose.
3766 (nonlocal_all): New prototype.
3767 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3768 (nonlocal_all): Make global.
3769 (nonlocal_lookup): Remove.
3770 (nonlocal_insert): Ditto.
3771 (create_nonlocal_var): Do not call nonlocal_insert.
3772 (get_nonlocal_id_for_type): Remove.
3773 (find_global_initializers): Mark new vars we find for renaming.
3774 (intra_create_variable_infos): Only create one nonlocal.
3775 (expand_nonlocal_solutions): Remove.
3776 (compute_points_to_sets): Don't call it.
3777 (ipa_pta_execute): Ditto.
3778 (init_alias_heapvars): Don't create nonlocal_for_type.
3779 (delete_alias_heapvars): Don't remove it.
3780 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3783 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3785 * doc/install.texi (Downloading GCC): Clarify mention of
3786 Fortran in the "full distribution" description.
3788 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3790 Fix PR tree-optimization/28778
3791 Fix PR tree-optimization/29156
3792 Fix PR tree-optimization/29415
3793 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3794 (tree_decl_with_vis): Add artificial_pta_var flag.
3795 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3796 pushed into callers.
3797 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3798 (nonlocal_all): Ditto.
3799 (struct variable_info): Add directly_dereferenced member.
3800 (var_escaped_vars): New variable.
3801 (escaped_vars_tree): Ditto.
3802 (escaped_vars_id): Ditto.
3803 (nonlocal_vars_id): Ditto.
3804 (new_var_info): Set directly_dereferenced.
3805 (graph_size): New variable
3806 (build_constraint_graph): Use graph_size.
3807 (solve_graph): Don't process constraints that cannot change the
3808 solution, don't try to propagate an empty solution to our
3810 (process_constraint): Set directly_dereferenced.
3811 (could_have_pointers): New function.
3812 (get_constraint_for_component_ref): Don't process STRING_CST.
3813 (nonlocal_lookup): New function.
3814 (nonlocal_insert): Ditto.
3815 (create_nonlocal_var): Ditto.
3816 (get_nonlocal_id_for_type): Ditto.
3817 (get_constraint_for): Allow results vector to be empty in the case
3818 of string constants.
3819 Handle results of calls properly.
3820 (update_alias_info): Update alias info stats on number and type of
3822 (find_func_aliases): Use could_have_pointers.
3823 (make_constraint_from_escaped): Renamed from
3824 make_constraint_to_anything, and changed to make constraints from
3826 (make_constraint_to_escaped): New function.
3827 (find_global_initializers): Ditto.
3828 (create_variable_info_for): Make constraint from escaped to any
3829 global variable, and from any global variable to the set of
3831 (intra_create_variable_infos): Deal with escaped instead of
3832 pointing to anything.
3833 (set_uids_in_ptset): Do type pruning on directly dereferenced
3835 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3836 (init_base_vars): Fix comment, and initialize escaped_vars.
3837 (need_to_solve): Removed.
3838 (find_escape_constraints): New function.
3839 (expand_nonlocal_solutions): Ditto.
3840 (compute_points_to_sets): Call find_escape_constraints and
3841 expand_nonlocal_solutions.
3842 (delete_points_to_sets): Don't fall off the end of the graph.
3843 (init_alias_heapvars): Initialize nonlocal_for_type and
3845 (delete_alias_heapvars): Free nonlocal_for_type and null out
3848 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3850 * fold-const.c (add_double): Rename to add_double_with_sign.
3851 Add 'unsigned_p' parameter and take it into account for the overflow.
3852 (mul_double): Rename to mul_double_with_sign.
3853 Add 'unsigned_p' parameter and take it into account for the overflow.
3854 (fold_div_compare): Call add_double_with_sign instead of add_double
3855 and mul_double_with_sign instead of mul_double, passing them the
3856 unsignedness of the type.
3857 * tree.h (add_double): Macroize.
3858 (add_double_with_sign): New prototype.
3859 (mul_double): Macroize.
3860 (mul_double_with_sign): New prototype.
3862 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3864 * config/score/crti.asm: New file.
3865 * config/score/crtn.asm: New file.
3866 * config/score/elf.h: New file.
3867 * config/score/mac.md: New file.
3868 * config/score/misc.md: New file.
3869 * config/score/mul-div.S: New file.
3870 * config/score/predicates.md: New file.
3871 * config/score/score7.md: New file.
3872 * config/score/score.c: New file.
3873 * config/score/score-conv.h: New file.
3874 * config/score/score.h: New file.
3875 * config/score/score.md: New file.
3876 * config/score/score-mdaux.c: New file.
3877 * config/score/score-mdaux.h: New file.
3878 * config/score/score-modes.def: New file.
3879 * config/score/score.opt: New file.
3880 * config/score/score-protos.h: New file.
3881 * config/score/score-version.h: New file.
3882 * config/score/t-score-elf: New file.
3883 * config.gcc: Add score*-*-* configurations(Update before).
3884 * doc/invoke.texi (Score Options): New section.
3885 * doc/md.texi (Score family): New section to document constraints.
3887 2006-10-19 Nick Clifton <nickc@redhat.com>
3889 * config/arm/arm.c: Fix spelling typo.
3891 2006-10-18 Tom Tromey <tromey@redhat.com>
3893 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
3895 2006-10-18 Jan Hubicka <jh@suse.cz>
3898 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
3901 2006-10-18 Marcin Dalecki <martin@dalecki.de>
3903 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
3904 TSI_SAME_STMT, since that's the desired entity.
3906 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
3908 * config/s390/contraints.md: New file.
3909 * config/s390/s390-protos.h (s390_mem_constraint,
3910 s390_O_constraint_str, s390_N_constraint_str,
3911 s390_float_const_zero_p): Function prototypes added.
3912 * config/s390/s390.c (s390_extra_constraint_str,
3913 s390_const_double_ok_for_constraint_p,
3914 s390_const_ok_for_constraint_p): Functions removed.
3915 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
3916 s390_float_const_zero_p): New functions.
3917 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
3918 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
3919 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
3920 Macro definitions removed.
3921 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
3922 s390_extra_constraint_str): Functions removed.
3924 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
3925 Richard Sandiford <richard@codesourcery.com>
3928 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
3929 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
3931 2006-10-16 Geoffrey Keating <geoffk@apple.com>
3933 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
3934 (DWARF2_FRAME_REG_OUT): Likewise.
3935 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
3936 (DWARF2_FRAME_REG_OUT): Likewise.
3938 2006-10-17 Paul Brook <paul@codesourcery.com>
3940 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
3942 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3944 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
3945 Standardize on "GNU Fortran" as the official name of the Fortran
3948 2006-10-16 Mike Stump <mrs@apple.com>
3950 * doc/invoke.texi (Darwin Options): Document -mkernel.
3951 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
3953 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
3954 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
3955 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
3956 (OS_MISSING_ALTIVEC): Add.
3957 * config/i386/i386.c (override_options): Add
3958 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
3959 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
3960 -mkernel, -static or -mdynamic-no-pic is given.
3961 (C_COMMON_OVERRIDE_OPTIONS): Add.
3962 * config/darwin.opt (fapple-kext): Add.
3964 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
3965 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
3967 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
3968 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
3969 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
3970 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
3971 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
3972 (flag_mkernel): Add.
3973 (flag_apple_kext): Add.
3974 (TARGET_KEXTABI): Add.
3975 * config/darwin.c (darwin_handle_kext_attribute): Add.
3976 (DARWIN_VTABLE_P): Add.
3977 (darwin_binds_local_p): Add partial support for rebinding vtables
3979 (darwin_kextabi_p): Add.
3980 (darwin_override_options): Add.
3981 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
3982 (darwin_kextabi_p): Add.
3983 (darwin_override_options): Add.
3984 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
3985 __DYNAMIC__ and __STATIC__ here.
3987 2006-10-16 Brooks Moses <bmoses@stanford.edu>
3989 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
3990 Added mention of "make pdf" target, and Texinfo requirements for
3993 2006-10-16 DJ Delorie <dj@redhat.com>
3995 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
3996 into the GOT in case we need a subreg of the address.
3998 2006-10-16 Richard Guenther <rguenther@suse.de>
4001 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4002 SSE builtin documentation. Document SSE2 builtins.
4004 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4006 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4007 symbol in the output file for non-shared links when -nostdlib or
4008 -nodefaultlibs isn't specified.
4010 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4011 posix thread support.
4013 2006-10-15 Jan Hubicka <jh@suse.cz>
4016 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4017 declared always_inline even when not inlining.
4019 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4020 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4021 Andrew Pinski <pinskia@gmail.com>
4024 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4026 2006-10-15 Jan Hubicka <jh@suse.cz>
4027 Richard Guenther <rguenther@suse.de>
4030 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4031 process_function_and_variable_attributes on all variables, including
4032 those discovered during cgraph construction phase.
4034 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4036 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4038 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4040 * config/i386/athlon.md (athlon_fist): Add fisttp.
4042 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4043 Ian Lance Taylor <ian@airs.com>
4046 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4047 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4050 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4052 * config/score/score.c, config/score/score.h: Fix comment
4055 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4058 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4061 2006-10-13 Eric Christopher <echristo@apple.com>
4063 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4065 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4068 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4069 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4070 alignment supported by 32-bit ELF.
4072 2006-10-13 Eric Christopher <echristo@apple.com>
4074 * config/darwin.c (darwin_emit_unwind_label): Strip
4075 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4077 2006-10-13 Richard Guenther <rguenther@suse.de>
4079 PR tree-optimization/29446
4080 * tree-vrp.c (fix_equivalence_set): Remove.
4081 (extract_range_from_assert): Do not call fix_equivalence_set.
4082 (debug_value_range): Print a newline.
4083 (compare_name_with_value): For equivalence sets with
4084 inconsistent value ranges conservatively bail out.
4085 (compare_names): Likewise.
4087 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4089 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4090 and MPFR for gfortran.
4092 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4094 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4095 alignment supported by 32-bit ELF.
4097 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4101 * c-typeck.c (digest_init): Always allow initializing vectors
4102 that have static storage duration with compound literals.
4103 * tree.c (build_type_attribute_qual_variant): New, based on
4104 build_type_attribute_variant.
4105 (build_type_attribute_variant): Rewrite using the former.
4106 (make_vector_type): Use build_type_attribute_qual_variant to build
4107 type variants. Use type_hash_canon on the others.
4109 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4110 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4112 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4114 2006-10-12 Jan Hubicka <jh@suse.cz>
4117 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4118 current_function_decl is set but current_function_scope is not.
4120 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4122 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4123 emit_insn to emit eh_return_internal instruction.
4124 (eh_return_internal): Explicitly set pc.
4126 2006-10-11 Richard Guenther <rguenther@suse.de>
4128 PR tree-optimization/28230
4129 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4130 to the correct place.
4132 2006-10-11 Richard Guenther <rguenther@suse.de>
4135 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4138 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4140 * configure.ac: Added pdf to "Make-hooks"
4141 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4142 targets and *.pdf file patterns in cleanup targets.
4143 * configure: Regenerated.
4145 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4147 * config/avr/predicates.md: New file.
4148 * config/avr/avr.md: Include it.
4149 (REG_SP): New constant.
4150 (peepholes): Use predicates.
4151 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4152 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4153 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4155 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4157 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4160 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4163 * builtins.c (var_decl_component_p): New function.
4164 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4165 single entry optimization to variables and components thereof.
4167 2006-10-10 Richard Guenther <rguenther@suse.de>
4169 PR rtl-optimization/29323
4170 * except.c (set_nothrow_function_flags): For functions
4171 that do not bind local bail out early.
4173 2006-10-10 Ben Elliston <bje@au.ibm.com>
4175 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4178 2006-10-09 Richard Henderson <rth@redhat.com>
4180 Revert emutls patch.
4182 2006-10-09 Richard Guenther <rguenther@suse.de>
4185 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4188 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4191 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4192 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4193 * configure: Regenerate.
4194 * config.in: Regenerate.
4196 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4198 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4200 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4202 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4203 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4204 Remove stray newline.
4206 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4208 * config/mips/mips.c (mips_classify_symbol): Do not return
4209 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4210 (mips_in_small_data_p): Tweak comments.
4212 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4214 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4216 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4218 * gimplify.c, sched-int.h: Fix comment typos.
4220 * sched-int.h: Fix comment typos.
4222 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4224 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4226 * sched-ebb.c (begin_schedule_ready): Use them.
4227 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4228 add_to_speculative_block, create_check_block_twin, speculate_insn,
4229 fix_jump_move, move_block_after_check): Ditto.
4230 * sched-rgn.c (new_ready): Ditto.
4232 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4234 PR rtl-optimization/29128
4235 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4236 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4237 allow interblock movement of speculation checks.
4239 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4242 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4243 casted to integer type.
4244 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4245 if they are significantly more expensive than [reg + index] ones.
4247 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4249 PR tree-optimization/29330
4250 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4251 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4252 on newly allocated ddrs.
4253 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4254 to VEC (loop_p, heap) pointer.
4255 (compute_data_dependences_for_loop): Adjust caller.
4256 (free_dependence_relations): Free DDR_LOOP_NEST.
4258 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4259 free DEPENDENCE_RELATIONS and DATAREFS.
4262 * builtins.c (expand_builtin_sync_operation,
4263 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4264 Use convert_to_mode to handle promoted arguments.
4266 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4268 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4270 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4272 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4274 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4276 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4277 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4278 Use <modeconstraint> instead of "r" as operand 1 constraint.
4280 2006-10-06 Olivier Hainque <hainque@adacore.com>
4282 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4283 Don't recurse on the pointed-to type.
4284 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4285 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4286 types with components of variable size.
4288 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4290 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4292 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4294 PR tree-optimization/29290
4295 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4299 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4300 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4303 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4304 the number of vector elements fill the rest with zeros.
4306 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4308 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4309 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4312 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4314 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4315 unnamed pattern into subsi3. Use correct constraints/predicates.
4316 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4317 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4319 2006-10-05 Ira Rosen <irar@il.ibm.com>
4321 * doc/loop.texi: Add data references analysis description.
4323 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4325 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4327 2006-10-04 Richard Henderson <rth@redhat.com>
4328 Jakub Jelinek <jakub@redhat.com>
4330 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4331 * builtin-types.def (BT_WORD): Make unsigned.
4332 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4333 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4334 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4335 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4336 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4337 * cgraph.c (decide_is_variable_needed): Look at force_output.
4338 Recurse for emulated tls.
4339 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4340 checks redundant with decide_is_variable_needed.
4341 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4342 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4344 * expr.c (emutls_var_address): New.
4345 (expand_expr_real_1): Expand emulated tls.
4346 (expand_expr_addr_expr_1): Likewise.
4347 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4348 * output.h (emutls_finish): Declare.
4349 * toplev.c (compile_file): Call it.
4350 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4351 address before wrapping in CONST.
4352 * varasm.c (emutls_htab, emutls_object_type): New.
4353 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4354 (get_emutls_object_name, get_emutls_object_type): New.
4355 (get_emutls_init_templ_addr, emutls_decl): New.
4356 (emutls_common_1, emutls_finish): New.
4357 (assemble_variable): When emulating tls, swap decls; generate
4358 constructor for the emutls objects.
4359 (do_assemble_alias): When emulating tls, swap decl and target name.
4360 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4362 * emutls.c: New file.
4363 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4364 tls_object for real tls.
4366 2006-10-04 Zack Weinberg <zackw@panix.com>
4368 Fix bug in constraint-check generator, reported by Rask Ingemann
4370 * genpreds.c (add_constraint): Don't remove anything from the
4372 (write_tm_constrs_h): Detect whether "op" argument is used, and
4373 mark it ARG_UNUSED if it isn't.
4374 (write_insn_const_int_ok_for_constraint): Skip the part of the
4375 expression that would test whether "op" (which is not available
4376 here) is a CONST_INT.
4378 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4381 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4383 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4385 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4386 current Leopard versions.
4387 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4389 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4391 * doc/install.texi: Fix typos.
4393 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4395 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4396 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4397 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4399 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4401 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4402 arg to be struct mach_header_64* instead.
4404 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4407 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4408 side effects after the outer expression's post side effects.
4410 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4412 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4413 comments to reflect actual behavior and relationship between
4414 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4416 * doc/c-tree.texi (Working with declarations): Fix documentation
4417 of FIELD_DECL likewise.
4419 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4422 * doc/extend.texi: Add used variable attribute description.
4424 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4427 * c.opt (Woverride-init): New.
4428 * c-opts.c (c_common_post_options): Default warn_override_init to
4430 * c-typeck.c (add_pending_init, output_init_element): Warn for
4431 overriding initializers without side effects.
4432 * doc/invoke.texi (-Woverride-init): Document.
4435 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4437 PR rtl-optimization/28096
4438 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4439 assignment has already been used as a destination earlier in the block.
4441 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4443 * builtins.c (expand_builtin_setjmp): Delete.
4444 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4445 <BUILT_IN_SETJMP_SETUP>: New case.
4446 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4447 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4448 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4449 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4450 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4451 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4452 (lower_function_body): Initialize it to false. If it is set to true
4453 at the end of the processing, emit the setjmp dispatcher.
4454 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4455 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4456 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4457 on the rhs of the assignment.
4458 (lower_builtin_setjmp): New function.
4459 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4460 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4461 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4462 to detect calls that can go to non-local labels. Use specific
4463 helper to create the abnormal edges associated with them.
4464 <MODIFY_EXPR>: Likewise.
4465 (make_abnormal_goto_edges): New function extracted from...
4466 (make_goto_expr_edges): ...here. Call it for computed gotos.
4467 (simple_goto_p): Minor tweak.
4468 (tree_can_make_abnormal_goto): New predicate.
4469 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4470 (tree_purge_dead_abnormal_call_edges): New function.
4471 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4472 (tree_purge_dead_abnormal_call_edges): Likewise.
4473 (make_abnormal_goto_edges): Likewise.
4474 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4475 Purge all dead abnormal edges if the call was in the last statement.
4476 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4477 (execute_fixup_cfg): If there are non-local labels in the function,
4478 scan the basic blocks and split them at calls that can go to non-local
4479 labels or add missing abnormal call edges. Write down the CFG in the
4481 (pass_fixup_cfg): Remove TODO_dump_func flag.
4482 * unwind-sjlj.c: Poison setjmp.
4483 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4484 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4485 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4486 (DONT_USE_BUILTIN_SETJMP): Document it.
4488 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4491 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4492 to 1 when __ppc64__ is defined.
4493 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4495 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4497 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4499 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4500 * config/ia64/unwind-hpux.c: Delete.
4502 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4504 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4505 on the element before gimplifying it, instead of punting if it is of
4508 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4510 * doc/loop.texi: New file.
4511 * doc/gccint.texi: Reference loop.texi.
4512 * Makefile.in (loop.texi): Add.
4514 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4516 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4518 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4519 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4521 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4523 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4525 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4527 * doc/install.texi: Document required versions of GMP and MPFR.
4529 2006-09-27 Paul Brook <paul@codesourcery.com>
4532 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4534 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4536 * reload1.c (alter_reg): Require the alignment of the stack slot to
4537 be at least reg_max_ref_width bytes.
4538 (scan_paradoxical_subregs): Record the largest width in
4541 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4545 * tree-nested.c (struct nesting_info): Added static_chain_added.
4546 (convert_call_expr): Set static_chain_added when adding static
4547 chain. Handle OMP_PARALLEL and OMP_SECTION.
4549 2006-09-25 Matthias Klose <doko@debian.org>
4551 * doc/invoke.texi: Add missing full stop.
4553 2006-09-25 Richard Henderson <rth@redhat.com>
4555 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4556 before cgraph_function_flags_ready.
4558 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4559 Adam Nemet <anemet@caviumnetworks.com>
4561 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4562 determine_common_wider_type): New functions.
4563 (get_computation_aff): Use them to simplify arithmetic between
4564 UBASE and CBASE if they are shortened from the same type.
4566 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4569 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4570 -2147483647 - 1 instead of 0x80000000.
4572 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4574 * flags.h (HONOR_NANS): Fix typo in comment.
4576 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4578 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4580 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4584 * tree.c (merge_attributes, attribute_list_contained): If both
4585 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4587 * c-typeck.c (comptypes_internal): Don't consider aggregates
4588 in different TUs as compatible if there one set of attributes is
4589 not a subset of the other type's attributes.
4590 (composite_type): Try harder not to create a new aggregate type.
4592 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4594 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4595 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4596 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4597 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4598 than replicating condition above.
4599 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4601 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4602 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4603 the linker by default.
4605 2006-09-22 Mike Stump <mrs@apple.com>
4607 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4610 2006-09-22 Richard Guenther <rguenther@suse.de>
4613 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4614 sort of stack variables stable.
4616 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4619 * explow.c (force_reg): Set REG_POINTER flag according to
4622 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4624 PR tree-optimization/28888
4625 * tree-if-conv.c (combine_blocks): Rewritten.
4626 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4627 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4629 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4631 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4634 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4636 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4638 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4640 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4642 2006-09-21 Roger Sayle <roger@eyesopen.com>
4645 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4646 dw_fde_current_label, to be the start of the function, i.e. the same
4647 value as dw_fde_begin.
4649 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4651 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4652 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4653 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4654 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4655 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4656 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4657 (abs<mode>2, neg<mode>2): Likewise.
4658 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4659 (*mips_abs_ps): New define_insn.
4661 2006-09-20 Josh Conner <jconner@apple.com>
4664 * calls.c (expand_call): Allow reuse of structure return stack
4667 2006-09-20 Paul Brook <paul@codesourcery.com>
4669 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4672 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4674 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4675 clean up terminology.
4677 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4680 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4681 with tablejumps in them.
4683 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4686 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4687 wrap it into TARGET_EXPR.
4689 2006-09-20 Eric Christopher <echristo@apple.com>
4691 * config/i386/i386.c (x86_fisttp): Remove.
4692 * config/i386/i386.h (x86_fisttp): Ditto.
4693 (TARGET_FISTTP): Ditto.
4695 2006-09-19 Eric Christopher <echristo@apple.com>
4697 * doc/tm.texi (OBJC_JBLEN): Describe.
4698 * config/i386/darwin.h (OBJC_JBLEN): Define.
4699 * config/rs6000/darwin.h: Ditto.
4701 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4703 PR rtl-optimization/21299
4704 * reload1.c (reload): Purge invalid ASMs in the final pass.
4706 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4709 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4710 pointers as legitimate constants.
4712 2006-09-19 Paul Brook <paul@codesourcery.com>
4715 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4717 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4719 PR tree-optimization/28887
4720 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4721 component parts from the reference.
4722 (gather_memory_references_ref): Record the reference without the
4723 nonaddressable component parts.
4725 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4728 * c-opts.c (c_common_handle_option): Ignore the -std options
4729 if the input language is assembly.
4731 2006-09-17 Ira Rosen <irar@il.ibm.com>
4734 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4736 (ptr_ptr_may_alias_p): Likewise.
4737 (record_record_differ_p): New function.
4738 (base_object_differ_p): Call record_record_differ_p.
4740 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4743 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4744 away for the expr argument.
4746 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4749 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4750 before using it for dumping after vectorizing loops.
4752 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4753 Jack Howarth <howarth@bromo.med.uc.edu>
4756 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4757 skip on error_mark_node.
4758 (rs6000_darwin64_record_arg_recurse): Likewise.
4760 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4762 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4763 * doc/rtl.texi: Remove related documentation.
4765 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4767 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4770 2006-09-15 Jim Wilson <wilson@specifix.com>
4772 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4773 Handle symbol offsets same as they are handled in ia64_expand_move
4776 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4778 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4779 Add forgotten parameter to the fprintf call.
4781 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4783 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4785 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4787 * doc/contrib.texi: Add my entry.
4789 2006-09-15 Nick Clifton <nickc@redhat.com>
4791 * doc/md.texi (Processor pipeline description): Fix typo in
4792 example of how to use the absence_set directive and reword the
4793 description to make it slightly easier to read.
4795 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4797 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4798 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4799 expanding the number of iterations.
4800 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4802 * cfgrtl.c (emit_insn_at_entry): New function.
4803 * rtl.h (emit_insn_at_entry): Declare it.
4804 * integrate.c (emit_initial_value_sets): Use it.
4806 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4808 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4810 (struct loop_work and related VEC declarations): Delete.
4811 (bfin_dump_loops): Print out new member bad.
4812 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4813 (bfin_scan_loop): Don't recurse.
4814 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4815 loops. No longer need to update outer loops if the current one is
4816 found bad. Move some validitiy checks to bfin_discover_loop.
4817 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4818 but changed not to check for nesting. Also changed to use the new bad
4820 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4821 time. Use bitmap based test to discover loop nesting.
4823 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4825 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4828 2006-09-14 Richard Guenther <rguenther@suse.de>
4829 Kazu Hirata <kazu@codesourcery.com>
4831 PR middle-end/28884.
4832 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4833 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4834 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4835 with TARGET_FUNCTION_VALUE.
4837 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4840 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4842 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4844 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4847 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4850 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4853 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4855 * basic_block.h (bb_has_eh_pred): Fix comment.
4857 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4859 * flow.c (calculate_global_regs_live): Invalidate eh registers
4860 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4861 (propagate_block): Handle eh registers as if they were set at basic
4863 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4865 * global.c (global_conflicts): Make eh registers to conflict with
4866 pseudos live at basic block begin.
4867 * basic_block.h (bb_has_eh_pred): New function.
4869 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4871 PR rtl-optimization/28982
4872 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
4873 index of a PRE_MODIFY or POST_MODIFY address.
4874 * reload1.c (inc_for_reload): Use find_replacement on the original
4875 base and index registers.
4877 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
4879 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
4880 for -Os. Update __m128 alignment requirement.
4882 2006-09-13 Jan Hubicka <jh@suse.cz>
4884 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
4886 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4888 PR rtl-optimization/28243
4889 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4890 the insn to which the note was originally attached.
4892 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
4893 Roger Sayle <roger@eyesopen.com>
4895 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
4896 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
4897 on platforms that don't use dwarf for debug info.
4899 2006-09-12 Jason Merrill <jason@redhat.com>
4902 * builtins.c (expand_builtin_setjmp_receiver): Clobber
4903 hard_frame_pointer_rtx after using it to update the frame pointer.
4905 2006-09-12 Roger Sayle <roger@eyesopen.com>
4907 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
4908 (TARGET_ASM_CLOSE_PAREN): Likewise.
4909 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
4910 (TARGET_ASM_CLOSE_PAREN): Likewise.
4912 2006-09-12 Roger Sayle <roger@eyesopen.com>
4915 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
4916 frame information for frames larger than 512 Kbytes on Tru64 when
4917 using the native assembler.
4919 2006-09-12 Roger Sayle <roger@eyesopen.com>
4923 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
4924 and symbols. Instead use the implementation from cse.c's hash_rtx.
4926 2006-09-12 Jan Hubicka <jh@suse.cz>
4928 PR rtl-optimization/28071
4929 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
4930 (vect_transform_loop): Likewise.
4931 * tree-vectorizer.c (new_loop_vec_info): Likewise.
4932 (new_loop_vec_info): Likewise.
4933 (destroy_loop_vec_info): Likewise.
4934 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
4935 (create_stmt_ann): Likewise.
4936 (create_tree_ann): Rename to ...
4937 (create_tree_common_ann): ... this one; allocate only the common part
4939 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
4940 (get_value_handle): Likewise.
4941 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
4942 get_tree_common_ann.
4943 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
4944 (vinfo_for_stmt): Use stmt annotations.
4945 * tree-flow.h (tree_ann_common_t): New type.
4946 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
4947 (tree_ann, get_tree_ann, create_tree_ann): New.
4948 * tree-flow-inline.h (get_function_ann): Do more type checking.
4949 (stmt_ann): Likewise.
4950 (tree_ann): Rename to ...
4951 (tree_common_ann): ... this one; return ony common_ann
4952 (get_tree_ann): Rename to ...
4953 (tree_common_ann): This one; return only common_ann.
4954 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
4957 2006-09-11 Geoffrey Keating <geoffk@apple.com>
4959 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
4960 with_cpu by default.
4962 * dwarf2out.c (dwarf_file_data): New.
4963 (enum dw_val_class): Add dw_val_class_file.
4964 (struct dw_val_struct): Add val_file.
4965 (file_table): Change to a hash table.
4966 (file_table_emitted): Delete.
4967 (file_table_last_lookup_index): Delete.
4968 (emitcount): Delete.
4969 (last_emitted_file): New.
4970 (lookup_filename): Change prototype to return a struct dwarf_file_data.
4971 (init_file_table): Delete.
4972 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
4973 (AT_addr): Add comment.
4977 (print_die): Handle dw_val_class_file.
4978 (print_dwarf_line_table): Update for new file table structure.
4979 (attr_checksum): Do checksum a filename.
4980 (same_dw_val_p, same_attr_p): Do compare a filename.
4981 (size_of_die): Handle dw_val_class_file.
4982 (value_format): Likewise.
4983 (output_die): Likewise. Also, call maybe_emit_file here.
4984 (struct file_info): Constify filenames. Make file_idx a pointer
4985 to a struct dwarf_file_data.
4986 (struct dir_info): Constify directory names. Remove 'used' field.
4987 (struct file_name_acquire_data): New.
4988 (file_name_acquire): New.
4989 (output_file_names): Modify to handle new file data structures.
4990 (add_src_coords_attributes): Use add_AT_file.
4991 (add_call_src_coords_attributes): Likewise.
4992 (dwarf2out_imported_module_or_decl): Likewise.
4993 (gen_subprogram_die): Modify for new file data structures.
4994 (gen_variable_die): Likewise.
4995 (file_table_eq): New.
4996 (file_table_hash): New.
4997 (file_table_last_lookup): New.
4998 (lookup_filename): Rewrite to handle new file data structures.
4999 (maybe_emit_file): Rewrite to handle new file data structures.
5000 (dwarf2out_source_line): Always call lookup_filename and
5002 (dwarf2out_init): Create file_table here.
5003 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5004 (file_table_relative_p): New.
5005 (dwarf2out_finish): Change detection of relative filenames
5006 to work with new file data structures. Move output_line_info call
5007 after debug_info output.
5009 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5014 * config/i386/i386.c (override_options): Always default to 16
5015 byte stack boundary.
5017 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5020 * var-tracking.c (dump_dataflow_set): Start dumping at
5022 (clobber_variable_part): Kill only the variable part in
5023 registers holding it, leaving other variables alone.
5025 2006-09-11 Josh Triplett <josh@freedesktop.org>
5027 * doc/extend.texi (Other Builtins): Actually use the macro
5028 argument in the documentation example for
5029 __builtin_types_compatible_p.
5031 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5033 PR rtl-optimization/28726
5034 * sched-deps.c (sched_analyze_reg): New function extracted from...
5035 (sched_analyze_1): ...here. Call it to analyze references to
5036 registers. Treat again writes to a stack register as writing to the
5038 (sched_analyze_2): ...and here. Call it to analyze references to
5039 registers. Treat again reads of a stack register as reading the
5042 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5043 David Edelsohn <edelsohn@gnu.org>
5046 * config/rs6000/spe.md (frob_df_di): Remove %H.
5047 (frob_di_df): Remove %H. Change evmergelo to mr.
5048 (frob_di_df_2): Remove %H. Change evldd to two loads.
5050 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5052 * doc/cpp.texi: Fix names of charset options.
5054 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5057 * config/i386/i386.c (override_options): Use 128-bit
5058 stack boundary always for 64bits.
5060 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5062 PR rtl-optimization/28636
5063 * combine.c (force_to_mode): Test for side-effects before
5064 substituting by zero.
5065 (simplify_shift_const): Likewise for zero or other constants.
5067 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5070 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5073 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5076 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5077 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5078 returned by mode_for_size, rather than the mode of src itself,
5079 to choose between 32-bit and 64-bit patterns.
5080 (mips_mem_fits_mode_p): New function.
5081 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5082 that the size of the source matches the size of the destination.
5083 (mov_<store>l, mov_<store>r): Likewise.
5085 2006-09-10 Eric Christopher <echristo@apple.com>
5087 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5090 2006-09-09 Eric Christopher <echristo@apple.com>
5093 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5096 2006-09-09 Roger Sayle <roger@eyesopen.com>
5097 Nicolas Setton <setton@adacore.com>
5099 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5101 2006-09-10 Andreas Schwab <schwab@suse.de>
5103 * config/m68k/m68k.md (bungt_rev): New pattern.
5105 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5106 Dale Johannesen <dalej@apple.com>
5109 * regclass.c (struct reg_pref): Update documentation.
5110 (regclass): Set prefclass to NO_REGS if memory is the best option.
5111 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5113 2006-09-08 Eric Christopher <echristo@apple.com>
5115 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5116 * config/t-slibgcc-darwin: Support x86_64 multilib.
5117 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5118 Return 1 for x86_64-darwin.
5119 * config/i386/t-darwin: Add m64 multilib.
5120 (LIB2_SIDITI_CONV_FUNCS): Use.
5121 (LIB2FUNCS_EXTRA): Ditto.
5122 * config/i386/darwin.h: Support x86_64.
5123 * config/i386/i386.c (override_options): Turn on flag_pic
5124 for x86_64-darwin. Disable flag_omit_pointer.
5125 (get_pc_thunk_name): Assert !TARGET_64BIT.
5126 (legitimate_address_p): Disable machopic addressing for
5128 (legitimize_pic_address): Ditto.
5129 (ix86_expand_move): Ditto.
5130 (ix86_expand_call): Ditto.
5131 (machopic_output_stub): Ditto.
5132 * config/darwin.c (machopic_select_section): Support literal16.
5133 (machopic_select_rtx_section): Ditto.
5134 * config/darwin-sections.def: Ditto.
5135 * config/darwin-64.c: New.
5137 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5140 * c-tree.h (struct c_arg_info): Add pending_sizes.
5141 * c-parser.c (c_parser_parms_declarator,
5142 c_parser_parms_list_declarator): Initialize pending_sizes.
5143 * c-decl.c (get_parm_info): Initialize pending_sizes.
5144 (get_parm_info): Set pending_sizes.
5145 (grokdeclarator): Call put_pending_sizes for parameters for
5146 function definition only.
5148 2006-09-07 Jason Merrill <jason@redhat.com>
5151 * varasm.c (output_constant): Only strip actual no-op conversions.
5154 * config/i386/i386.c (override_options): Use 128-bit
5155 stack boundary if -msse.
5157 2006-09-07 Eric Christopher <echristo@apple.com>
5159 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5161 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5164 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5166 * dwarf2out.c: Remove strange characters from comment above
5167 dwarf2out_frame_debug_expr.
5169 2006-09-07 Eric Christopher <echristo@apple.com>
5171 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5172 * config/darwin.h: ... to here.
5174 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5176 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5178 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5179 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5181 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5182 TARGET_PARTIAL_FLAG_REG_STALL.
5183 (*ashldi3_cconly_rex64): Likewise.
5184 (*ashlsi3_cmp): Likewise.
5185 (*ashlsi3_cconly): Likewise.
5186 (*ashlsi3_cmp_zext): Likewise.
5187 (*ashlhi3_cmp): Likewise.
5188 (*ashlhi3_cconly): Likewise.
5189 (*ashlqi3_cmp): Likewise.
5190 (*ashlqi3_cconly): Likewise.
5191 (*ashrdi3_cmp_rex64): Likewise.
5192 (*ashrdi3_cconly_rex64): Likewise.
5193 (*ashrsi3_cmp): Likewise.
5194 (*ashrsi3_cconly): Likewise.
5195 (*ashrsi3_cmp_zext): Likewise.
5196 (*ashrhi3_cmp): Likewise.
5197 (*ashrhi3_cconly): Likewise.
5198 (*ashrqi3_cmp): Likewise.
5199 (*ashrqi3_cconly): Likewise.
5200 (*lshrdi3_cmp_rex64): Likewise.
5201 (*lshrdi3_cconly_rex64): Likewise.
5202 (*lshrsi3_cmp): Likewise.
5203 (*lshrsi3_cconly): Likewise.
5204 (*lshrsi3_cmp_zext): Likewise.
5205 (*lshrhi3_cmp): Likewise.
5206 (*lshrhi3_cconly): Likewise.
5207 (*lshrqi2_cmp): Likewise.
5208 (*lshrqi2_cconly): Likewise.
5210 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5213 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5214 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5215 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5216 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5217 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5218 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5219 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5220 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5221 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5222 implement only CC setting effects of shift instructions.
5224 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5226 * doc/contrib.texi: Add myself.
5228 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5231 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5232 was set by the user.
5234 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5237 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5238 (divsi_inv_m1): Use them.
5239 (UNSPEC_DIV_INV_TABLE): New constant.
5241 2006-09-06 James E Wilson <wilson@specifix.com>
5244 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5245 then call count_or_remove_death_notes.
5247 2006-09-06 Jason Merrill <jason@redhat.com>
5250 * tree-inline.c (copy_result_decl_to_var): New fn.
5251 (declare_return_variable): Use it. Call declare_inline_vars here.
5252 (expand_call_inline): Not here.
5254 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5256 * doc/contrib.texi: Update my entry.
5258 2006-09-06 Nick Clifton <nickc@redhat.com>
5260 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5262 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5265 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5266 (canonicalize_induction_variables): Likewise.
5267 (tree_unroll_loops_completely): Likewise.
5268 (tree_ssa_prefetch_arrays): Likewise.
5269 (remove_empty_loops): Likewise.
5270 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5271 TODO_cleanup_cfg instead of directly calling
5272 cleanup_tree_cfg_loop.
5273 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5275 (tree_unroll_loops_completely): Likewise.
5276 (remove_empty_loops): Likewise.
5277 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5278 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5279 of tree_ssa_unswitch_loops.
5280 (tree_ssa_loop_ivcanon): Use the return value of
5281 canonicalize_induction_variables.
5282 (tree_ssa_empty_loop): Use the return value of
5284 (tree_complete_unroll): Use the return value of
5285 tree_unroll_loops_completely.
5286 (tree_ssa_loop_prefetch): Use the return value of
5287 tree_ssa_prefetch_arrays.
5288 * passes.c (execute_todo): Before Cleanup CFG, set
5289 updating_used_alone and after cleanup CFG, call
5290 recalculate_used_alone.
5292 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5295 * tree-vect-transform.c (vectorizable_condition): Move the check
5296 for the type after the check for simple condition.
5298 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5299 Kaz Kojima <kkojima@gcc.gnu.org>
5302 * mode-switching.c (optimize_mode_switching): Make the destination
5303 block of an abnormal edge have no anticipatable mode. Don't
5304 insert mode switching code at the end of the source block of
5307 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5309 PR rtl-optimization/26847
5310 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5311 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5312 (simplify_plus_minus): Count n_constants while filling ops. Replace
5313 qsort with insertion sort. Before going through the array to simplify
5314 pairs, sort it. Delay early exit until after the first sort, exiting
5315 only if no swaps occurred. Simplify pairs in reversed order, without
5316 special-casing the first iteration. Pack ops after simplifying pairs.
5318 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5320 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5321 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5322 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5323 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5325 2006-09-05 Richard Guenther <rguenther@suse.de>
5327 PR tree-optimization/28900
5328 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5329 compound conditional before creating COND_EXPR condition.
5331 2006-09-05 Richard Guenther <rguenther@suse.de>
5333 PR tree-optimization/28905
5334 * tree-vrp.c (fix_equivalence_set): Manually implement
5335 !value_ranges_intersect_p to also handle symbolic ranges.
5337 2006-09-05 Richard Guenther <rguenther@suse.de>
5340 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5343 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5345 PR rtl-optimization/27616
5346 * cse.c (table_size): New static variable.
5347 (new_basic_block): Initialize it to 0.
5348 (remove_from_table): Decrement it.
5349 (insert): Increment it.
5350 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5351 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5352 fold_rtx_mem_1 if under the cap.
5353 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5354 the lookup of the equivalent expression and test for equality of the
5355 first operand of the equivalent expression before in turn looking up
5356 an equivalent constant for the second operand.
5358 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5361 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5362 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5363 pointer, instead of assuming it is possible to derive the
5364 correct args size from a call insn.
5366 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5369 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5370 (fold_builtin_mempcpy): Rename to...
5371 (fold_builtin_memory_op): ... this. Optimize one element copy
5373 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5375 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5376 (expand_builtin_memcpy, expand_builtin_mempcpy,
5377 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5378 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5379 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5380 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5382 2006-09-01 DJ Delorie <dj@redhat.com>
5384 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5385 (stzx_16): Likewise.
5386 ("stzx_24_<mode>"): Likewise.
5387 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5388 ("cmp<mode>_op"): New.
5389 (cmp<mode>): Change to expander; just save operands.
5391 (b<code>): Change to expander, emit compare here.
5392 (s<code>_op): Change to use split and expander.
5393 (s<code>_24_op): Likewise.
5394 (s<code>_<mode>): New.
5395 (s<code>_<mode>_24): New.
5396 (movqicc_<code>_<mode): New.
5397 (movhicc_<code>_<mode>): New.
5400 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5401 (m32c_pend_compare): New.
5402 (m32c_unpend_compare): New.
5403 (m32c_expand_scc): New.
5404 (m32c_expand_movcc): Emit the compare also.
5405 * config/m32c/predicates.md (mra_nopp_operand): New.
5407 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5408 Richard Guenther <rguenther@suse.de>
5409 Adam Nemet <anemet@caviumnetworks.com>
5412 * builtins.c (get_pointer_alignment): Handle more forms
5413 of base addresses that can be used to derive more precise
5414 information about alignment.
5416 2006-09-01 Jason Merrill <jason@redhat.com>
5419 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5422 * gimplify.c (voidify_wrapper_expr): Handle null type.
5424 2006-09-01 Josh Conner <jconner@apple.com>
5427 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5428 (execute_return_slot_opt): Use it.
5430 2006-08-31 Josh Conner <jconner@apple.com>
5433 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5434 returning aggregates.
5436 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5438 PR tree-optimization/28839
5439 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5440 blocks in that phi arguments appear.
5442 2006-08-31 Roger Sayle <roger@eyesopen.com>
5445 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5446 NULL, otherwise use an advance_loc4 to adjust relative to the
5448 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5449 (dwarf2out_switch_text_section): Reset the current label to avoid
5450 using advance_loc4 over section boundaries.
5452 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5455 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5456 r12 + SYMBOLIC_CONST.
5458 2006-08-30 Richard Guenther <rguenther@suse.de>
5460 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5462 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5464 PR rtl-optimization/27735
5465 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5466 Add new argument to keep track of whether an irreducible region
5467 was affected. All callers changed.
5468 (fix_irreducible_loops): Removed.
5469 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5470 flags were invalidated.
5472 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5474 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5475 instead of SF operands.
5476 (*fop_df_comm_sse): Likewise.
5477 (*fop_df_comm_i387): Likewise.
5478 (*fop_df_1_mixed): Likewise.
5479 (*fop_df_1_sse): Likewise.
5481 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5482 J"orn Rennecke <joern.rennecke@st.com>
5484 PR tree-optimization/17506
5485 * tree-ssa.c (warn_uninit): If warning about a location outside of
5486 the current function, note where the variable was declared.
5488 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5490 PR tree-optimization/28411
5491 * double-int.c (double_int_div): Use double_int_divmod.
5492 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5493 double_int_mod, double_int_smod, double_int_umod): New functions.
5494 * double-int.h (double_int_divmod, double_int_sdivmod,
5495 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5497 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5499 (get_computation_aff, get_computation_cost_at): Handle double_int
5500 return type of constant_multiple_of.
5502 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5505 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5506 an implicit conversion.
5508 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5510 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5512 2006-08-27 Roger Sayle <roger@eyesopen.com>
5514 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5517 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5519 * config/i386/crtfastmath.c: Fix a comment typo.
5521 2006-08-26 Roger Sayle <roger@eyesopen.com>
5523 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5524 temporary visit flags on CASE_LABEL_EXPRs.
5525 * c-common.c (match_case_to_enum): Add function comment. Avoid
5526 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5527 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5528 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5529 a constant, only warn if that constant value isn't handled.
5531 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5534 * input.h (restore_input_file_stack): Declare.
5535 (INPUT_FILE_STACK_BITS): Define.
5536 * toplev.c (fs_p, input_file_stack_history,
5537 input_file_stack_restored, restore_input_file_stack): New.
5538 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5539 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5540 (pop_srcloc): Don't free old state of stack.
5542 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5545 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5546 (PowerPC Type Attributes): New.
5548 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5550 * config/xtensa/xtensa.c (function_arg_boundary): New.
5551 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5553 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5554 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5556 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5559 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5562 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5564 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5565 (verify_local_live_at_start): Likewise.
5567 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5570 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5571 omp_add_variable): Treat sizes as variable whenever not
5574 2006-08-26 Richard Guenther <rguenther@suse.de>
5577 * fold-const.c (fold_binary): Fold temporary to correct
5578 type before constructing new comparison.
5580 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5583 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5584 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5586 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5589 * c-decl.c (start_function): Don't try to process prototype
5590 information from old declaration that isn't a function.
5592 2006-08-25 Jan Hubicka <jh@suse.cz>
5595 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5597 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5600 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5603 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5605 PR tree-optimization/16876
5606 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5607 exit if PARM doesn't match VALUE.
5609 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5611 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5612 literal_prefix directive.
5613 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5614 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5615 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5617 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5620 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5621 predicate to general_operand. Add 0->y and I->r alternatives.
5623 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5625 * doc/tm.texi: Fix a typo.
5626 * predict.c: Fix comment typos.
5628 2006-08-25 Nick Clifton <nickc@redhat.com>
5630 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5631 assertions of "cpu" and "machine".
5633 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5636 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5637 the access through a base which has an alias set of 0 cannot
5640 2006-08-24 Bill Wendling <wendling@apple.com>
5642 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5644 2006-08-24 Jan Hubicka <jh@suse.cz>
5646 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5648 2006-08-24 Jan Hubicka <jh@suse.cz>
5651 * cgraph.c: Fix comments.
5652 (cgraph_varpool_mark_needed_node): Mark only variables not already
5654 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5655 (cgraph_varpool_assembled_nodes_queue): New static variable.
5656 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5657 (cgraph_varpool_output_debug_info): New function.
5658 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5659 * Makefile.in: Add gt-cgraphunit.h
5661 2006-08-24 Jan Hubicka <jh@suse.cz>
5663 * predict.c (probability_reliable_p): New predicate.
5664 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5665 (predict_loops): Do not predict loop exit with less than 2%
5667 * basic-block.h (edge_probability_reliable_p,
5668 br_prob_note_reliable_p): Declare.
5669 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5670 prediction when static predictor is not reliable.
5671 * rs6000.c (output_cbranch): Likewise.
5673 2006-08-23 Stuart Hastings <stuart@apple.com>
5676 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5677 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5679 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5682 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5683 complex values, nor for generic vector values.
5685 2006-08-22 Richard Guenther <rguenther@suse.de>
5688 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5689 parameter. Convert arguments to arithmetic expression to the
5691 (analyze_scalar_evolution_1): Adjust caller.
5693 2006-08-22 Jan Hubicka <jh@suse.cz>
5695 Patch by Paolo Bonzini
5696 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5699 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5701 PR tree-optimization/28003
5702 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5703 before grouping aliases.
5705 2006-08-22 Roger Sayle <roger@eyesopen.com>
5707 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5708 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5710 2006-08-21 Jason Merrill <jason@redhat.com>
5713 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5714 wrapper. Loop to handle nested wrappers.
5715 (gimplify_bind_expr): Remove temp parameter.
5716 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5717 and STATEMENT_LIST on the rhs.
5718 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5719 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5720 (gimplify_target_expr): Remove special BIND_EXPR handling.
5722 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5724 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5727 2006-08-21 Olivier Hainque <hainque@adacore.com>
5729 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5730 Arrange for the temporary captures of components overlapping the lhs
5731 to happen before the lhs is possibly cleared.
5733 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5735 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5736 necessary places to pass the correct "number of registers" values
5739 2006-08-20 Jan Hubicka <jh@suse.cz>
5741 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5742 (create_name_tags): Instead of quadratic checking use hashtable.
5743 * bitmap.h: Include hashtab.h.
5744 (bitmap_hash): Declare.
5745 * bitmap.c (bitmap_hash): New function.
5747 2006-08-20 Jan Hubicka <jh@suse.cz>
5749 PR rtl-optimization/28071
5750 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5752 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5753 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5754 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5755 cgraph_decide_inlining_incrementally): Update use of
5756 cgraph_check_inline_limits.
5757 * cgraph.c (edge_hash, edge_eq): New function.
5758 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5759 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5760 cgraph_remove_node): Maintain call site hash.
5761 * cgraph.h (struct cgraph_node): Add call_site_hash.
5762 (cgraph_set_call_stmt): New function.
5764 2006-08-20 Jan Hubicka <jh@suse.cz>
5766 PR rtl-optimization/28071
5767 * reload1.c (reg_has_output_reload): Turn into regset.
5768 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5769 choose_reload_regs, emit_reload_insns): Update to new
5770 reg_has_output_reload.
5772 2006-08-20 Jan Hubicka <jh@suse.cz>
5775 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5776 function body sizes.
5777 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5779 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5782 * tree.c (handle_dll_attribute): Return early if not a
5783 var or function decl.
5785 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5788 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5789 alignment of SPE vector types.
5791 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5793 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5795 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5798 * cgraph.h (struct cgraph_node): Remove externally_visible
5800 * cgraphunit.c (process_function_and_variable_attributes): Set
5801 local.externally_visible rather than externally_visible.
5804 * c-common.c (handle_externally_visible_attribute): First look
5805 at TREE_CODE and only if it is function or var decl, check for
5806 non-public objects. Don't warn for DECL_EXTERNAL.
5807 * cgraphunit.c (process_function_and_variable_attributes): Warn
5808 if externally_visible attribute is used on non-public object.
5810 2006-08-17 Jan Hubicka <jh@suse.cz>
5812 PR tree-optimization/27865
5813 * reload1.c (forget_marked_reloads): New function.
5814 (forget_old_reloads_1): When data are passed, just mark the registers
5816 (reload_as_needed): Use the new mechanizm.
5818 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5821 * reload.h (reg_equiv_alt_mem_list): New declaration.
5822 * reload1.c (reg_equiv_alt_mem_list): New definition.
5823 (reload): Initialize it and release it.
5824 (delete_output_reload): Use it.
5825 * reload.c (push_reg_equiv_alt_mem): New function.
5826 (find_reloads_toplev): Call it.
5827 (find_reloads_address, find_reloads_address_1): Likewise.
5828 (find_reloads_subreg_address): Likewise.
5830 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5832 PR rtl-optimization/28489
5833 * sched-ebb.c (begin_schedule_ready): Create basic block
5835 (advance_target_bb): Skip empty blocks.
5836 * haifa-sched.c (bb_note): Make global.
5837 * sched-int.h (bb_note): Add prototype.
5839 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5841 PR tree-optimization/27865
5842 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5844 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5845 fold_used_pointer, pointer_used_p): New functions.
5846 (analyze_scalar_evolution_1): Use fold_used_pointer.
5847 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5848 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5851 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5854 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5855 or the INTEGER_CST. Fail on a CALL_EXPR.
5856 (fold_offsetof): Pass new argument to fold_offsetof_1.
5857 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5858 operand into an INDIRECT_REF.
5859 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5861 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5863 PR gcov/profile/26570
5864 * value-prof.c (static_values): Removed.
5865 (tree_find_values_to_profile): Do not set static_values.
5866 (find_values_to_profile): Do not free static_values.
5867 * profile.c (instrument_values): Do not free the values.
5868 (branch_prob): Free the values.
5870 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5872 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
5874 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
5877 * c-typeck.c (build_component_ref): Combine qualifiers of
5878 structure or union and field.
5880 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5882 PR rtl-optimization/28071
5883 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
5884 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
5885 * tree-into-ssa.c (struct dom_dfsnum): New.
5886 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
5888 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
5889 compute_global_livein.
5890 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
5891 in phi nodes in the correct blocks.
5893 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5895 PR tree-optimization/28364
5896 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
5898 (fold_affine_expr): New function.
5899 (may_eliminate_iv): Use fold_affine_expr.
5901 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5904 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
5907 2006-08-16 Mike Stump <mrs@apple.com>
5909 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
5910 * doc/cppopts.texi (-MD): Likewise.
5912 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
5915 * c-common.c (handle_weak_attribute): Ignore and warn if
5916 not a FUNCTION_ or VAR_DECL.
5918 2006-07-15 Mike Stump <mrs@apple.com>
5921 * c-parser.c (c_parser_typeof_specifier): Don't use
5922 c_finish_expr_stmt, open code desired semantics instead.
5924 2006-08-15 Nick Clifton <nickc@redhat.com>
5926 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
5927 fragment to tmake_file only if threads are enabled.
5928 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
5929 * config/i386/t-gthr-win32: New file. ... here.
5931 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5934 * c-parser.c (c_parser_compound_statement_nostart): Reset
5935 parser->error after each statement.
5937 2006-08-15 Jakub Jelinek <jakub@redhat.com>
5940 * omp-low.c (lower_omp_parallel): Convert t to
5941 receiver_decl's type.
5942 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
5943 source before comparison.
5946 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
5947 to itype in assignment to oldival2.
5949 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
5953 * c-typeck.c (build_compound_expr): If the second expression
5954 is an error mark, then just return an error mark instead of
5955 creating a COMPOUND_EXPR.
5957 2006-07-14 Mike Stump <mrs@apple.com>
5959 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
5961 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
5963 * c-decl.c, var-tracking.c: Fix comment typos.
5965 2006-08-14 Richard Sandiford <richard@codesourcery.com>
5967 PR rtl-optimization/28634
5968 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
5969 for floating-point modes unless flag_unsafe_math_optimizations.
5971 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
5972 Andrew Pinski <pinskia@physics.uc.edu>
5975 * tree.c (build_array_type): Unify array types with
5976 unspecified index_type.
5977 * c-decl.c (grokdeclarator): Make sure we do not modify a
5978 unified incomplete array type.
5979 * c-typeck.c (store_init_value): Create distinct type before
5980 filling in the index type in an initializer from a compound
5983 * c-decl.c (grokdeclarator): Remove code where we copy the
5986 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
5988 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
5989 into account for TODO_dump_cgraph.
5990 (TODO_update_ssa_no_phi): Likewise.
5991 (TODO_update_ssa_full_phi): Likewise.
5992 (TODO_update_ssa_only_virtuals): Likewise.
5993 (TODO_remove_unused_locals): Likewise.
5994 (TODO_set_props): Likewise.
5995 (TODO_update_stmt_usage): Likewise.
5997 2006-08-13 Dirk Mueller <dmueller@suse.de>
5999 * c-common.c (strict_aliasing_warning): Fix formatting.
6001 2006-08-13 Matthias Klose <doko@debian.org>
6003 * doc/invoke.texi: Fix spelling errors.
6005 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6007 PR rtl-optimization/23454
6008 * reorg.c (relax_delay_slots): Update comment.
6010 2006-08-11 Richard Guenther <rguenther@suse.de>
6013 * simplify-rtx.c (simplify_const_relational_operation):
6014 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6017 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6019 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6020 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6022 2006-08-10 Paul Brook <paul@codesourcery.com>
6024 * final.c (final_scan_insn): Clear current_insn_predicate before
6025 outputting inline asm.
6027 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6029 PR tree-optimization/26197
6030 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6031 get_ref_base_and_extent and overlap_subvar to add only relevant
6032 subvars as may-aliases.
6033 (add_may_alias_for_new_tag): New function, factored out of
6035 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6036 with additional argument.
6037 * tree-flow.h (new_type_alias): Takes additional argument.
6039 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6041 * gcov.c (no_data_file): New flag.
6042 (read_count_file): Set it if data file not present. Assume counts
6044 (output_lines): Don't name the data file, if there wasn't one.
6046 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6048 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6049 (rs6000_generate_compare): Tweak comments.
6050 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6052 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6054 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6055 (var_debug_decl): New function.
6056 (var_reg_set): Follow debug decl link. Add location even if
6057 reg is already known to hold some other variable.
6058 (var_mem_set): Follow debug decl link.
6059 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6060 decl link. Delete other known locations of the variable part
6062 (var_reg_delete, var_mem_delete): Delete other known locations
6063 of the variable part if requested.
6064 (same_variable_part_p): New function.
6065 (add_stores): Select MO_COPY when appropriate.
6066 (vt_initialize): Handle it.
6067 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6068 known locations for MO_SET and MO_CLOBBER.
6069 (find_variable_location_part): New function.
6070 (set_variable_part, delete_variable_part): Use it.
6071 (clobber_variable_part): New function.
6072 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6075 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6077 PR tree-optimization/26969
6078 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6079 with an empty list of PHIs.
6081 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6085 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6088 2006-08-06 Andreas Schwab <schwab@suse.de>
6090 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6091 string. Whitespace and comment fixup.
6093 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6096 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6100 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6103 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6105 2006-08-04 Jan Hubicka <jh@suse.cz>
6109 * reload.c (push_reload): Patch out the mismatching instruction;
6111 (find_reload): Bail out if the instruction was patched out.
6113 2006-08-04 Jan Hubicka <jh@suse.cz>
6115 PR tree-optimization/24888
6116 * tree-inline.c (expand_call_inline): Do not re-record variables.
6117 (declare_inline_vars): Add variable to unexpanded_var_list.
6119 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6120 Roger Sayle <roger@eyesopen.com>
6122 PR rtl-optimization/26244
6123 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6124 inner_const are negative or greater than or equal to the bitsize of
6125 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6126 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6127 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6128 CONST0_RTX (mode) when the new shift count is greater than or equal to
6129 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6132 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6134 * tree-cfg.c: Fix a comment typo.
6136 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6139 * varasm.c (output_constant): Give the front end another chance to
6140 expand constants, after stripping NOPs.
6142 2006-08-03 Jan Hubicka <jh@suse.cz>
6144 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6147 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6149 PR tree-optimization/27770
6150 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6151 declaration removed (moved to tree-flow.h).
6152 (vect_can_force_dr_alignment_p): Likewise.
6153 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6154 (moved from tree-vectorizer.h).
6155 (vect_can_force_dr_alignment_p): Likewise.
6156 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6157 from outside the vectorizer - in particular from cgraph stage.
6158 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6159 the alignment of global arrays when -fsection-anchors is enabled.
6160 * cgraphunit.c (cgraph_increase_alignment): New function.
6161 (cgraph_optimize): Call cgraph_increase_alignment.
6163 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6166 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6167 not reload a SPE symbol_ref into a lo_sum address.
6169 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6172 * dwarf2out.c (prune_unused_types_prune): Move call to
6173 prune_unused_types_update_strings to cover the parent DIE also.
6175 2006-08-02 Jan Hubicka <jh@suse.cz>
6177 PR gcov/profile/28480
6178 * tree-cfg.c (change_bb_for_stmt): New function.
6179 (tree_merge_blocks, tree_split_blocks): Use it.
6181 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6187 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6188 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6189 (cgraph_optimize): Likewise.
6191 2006-08-01 Stuart Hastings <stuart@apple.com>
6193 * rtl.h (UINTVAL) New.
6194 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6195 * testsuite/gcc.dg/20060801-1.c: New.
6197 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6200 * c-typeck.c (build_external_type): Mark used enum types.
6201 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6203 (gen_subprogram_die): Whitespace fix.
6205 2006-08-01 Jan Hubicka <jh@suse.cz>
6207 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6208 bitmap when not needed.
6209 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6212 2006-08-01 Dirk Mueller <dmueller@suse.de>
6214 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6216 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6218 * Makefile.in: Revert part of previous patch:
6219 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6222 2006-07-30 Eric Christopher <echristo@apple.com>
6225 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6226 (PowerPC Variable Attributes): New section.
6228 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6230 PR target/28126 (partial fix)
6231 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6233 2006-07-28 Jan Hubicka <jh@suse.cz>
6235 PR rtl-optimization/28071
6236 * cfgrtl.c (rtl_delete_block): Free regsets.
6237 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6239 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6241 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6242 and variables used in dependencies.
6244 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6246 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6247 %fs for -mcmodel=kernel.
6248 (stack_tls_protect_test_di): Likewise.
6250 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6252 * Makefile.in: Use mkinstalldirs.
6254 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6257 * opts-common.c (prune_options): Skip joined switches.
6259 2006-07-27 Jan Hubicka <jh@suse.cz>
6261 PR rtl-optimization/28071
6262 * cselib.c (cselib_process_insn): Don't remove useless values too
6263 often for very large hashtables.
6265 2006-07-27 Jan Hubicka <jh@suse.cz>
6267 PR rtl-optimization/28071
6268 * global.c (greg_obstack): New obstack.
6269 (allocate_bb_info): Use it.
6270 (free_bb_info): Likewise.
6271 (modify_reg_pav): Likewise.
6273 2006-07-27 Roger Sayle <roger@eyesopen.com>
6275 * builtins.c (fold_fixed_mathfn): When long and long long are the
6276 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6277 functions to their lceil*, lfloor*, lround* and lrint* forms.
6279 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6282 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6284 (rev_branch_insn): Likewise.
6286 2006-07-27 Jan Hubicka <jh@suse.cz>
6288 PR rtl-optimization/28071
6289 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6290 (reg_set_in_bb, max_reg_computed): New static variables.
6291 (regmove_optimize): Free the new array.
6292 (fixup_match_1): Update call of reg_is_remote_constant_p.
6294 2006-07-26 Jan Hubicka <jh@suse.cz>
6296 PR tree-optimization/27882
6297 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6299 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6301 (cgraph_analyze_compilation_unit): Likewise.
6302 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6303 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6304 (cgraph_early_inlinine): Make order garbage collected.
6305 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6307 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6309 * dbxout.c (output_types_sort): Add a comment.
6310 (output_used_types): Free the VEC.
6312 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6314 * function.c (reorder_fix_fragments): Delete.
6315 (reorder_blocks): Don't call it.
6316 (reorder_blocks_1): Put all subblocks under the origin block.
6318 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6320 PR rtl-optimization/27907
6321 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6324 2006-07-25 Roger Sayle <roger@eyesopen.com>
6327 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6328 bar(x) check that bar's result type can represent all the values of T.
6330 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6332 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6334 2006-07-25 Nick Clifton <nickc@redhat.com>
6336 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6337 size_lookup[] array.
6338 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6339 (ggc_pch_count_object): Likewise.
6340 (ggc_pch_alloc_object): Likewise.
6341 (ggc_pch_write_object): Likewise.
6342 (init_ggc): Do not attempt to initialize entries in the
6343 size_lookup[] array for objects whose size is greater than than
6344 the length of the array.
6346 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6348 * dbxout.c (output_used_types_helper): Push queued types
6350 (output_types_sort): New.
6351 (output_used_types): Collect used types on a VEC and sort them
6354 2006-07-24 Richard Guenther <rguenther@suse.de>
6357 * cgraph.c (cgraph_remove_node): Do not check if dumps
6359 * cgraphunit.c (cgraph_optimize): Likewise.
6361 2006-07-24 Jan Hubicka <jh@suse.cz>
6363 PR rtl-optimization/28071
6364 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6365 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6366 splitting before first stmt.
6368 2006-07-24 Jan Hubicka <jh@suse.cz>
6370 PR rtl-optimization/28071
6371 * ipa-inline.c (update_caller_keys): Remove edges that
6372 are no longer inline candidates.
6374 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6377 * dbxout.c (output_used_types_helper, output_used_types): New.
6378 (dbxout_symbol): Call output_used_types.
6380 2006-07-23 Jan Hubicka <jh@suse.cz>
6384 * cgraph.c (cgraph_varpool_nodes): Export.
6385 (decide_is_variable_needed): Ignored "used" attribute in
6386 unit-at-a-time mode.
6387 * cgraph.h (cgraph_varpool_nodes): Declare.
6388 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6389 unit-at-a-time mode.
6391 2006-07-23 Roger Sayle <roger@eyesopen.com>
6394 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6395 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6396 the __gthrw form of thr_keycreate.
6397 (__gthread_key_delete): Silence the unused argument warning.
6399 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6402 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6403 Cache the last found '\0' marker to avoid quadratic behavior.
6405 2006-07-23 Jan Hubicka <jh@suse.cz>
6407 * i386.md (subsi_3_zext): Fix output template.
6409 2006-07-21 Mike Stump <mrs@apple.com>
6411 * doc/invoke.texi (C++ Dialect Options): Note that
6412 -fvisibility-inlines-hidden doesn't affect explicitly
6413 instantiationed inline methods.
6415 2006-07-20 Roger Sayle <roger@eyesopen.com>
6417 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6418 if the target assembler is GNU binutils' gas.
6419 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6420 whether to pass GNU gas or native as command line options.
6422 2006-07-20 Jason Merrill <jason@redhat.com>
6424 * tree.c (remove_attribute): New fn.
6425 * tree.h: Declare it.
6427 2006-07-20 Paul Brook <paul@codesourcery.com>
6430 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6431 they are invalidated by this instruction.
6433 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6436 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6438 2006-07-20 Eric Christopher <echristo@apple.com>
6441 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6443 2006-07-19 Eric Christopher <echristo@apple.com>
6445 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6446 Rewrite dependencies for libgcc_s.1.dylib.
6448 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6450 * except.c (duplicate_eh_regions_1): Clear next_peer.
6452 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6454 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6455 -mlongcall does not guarantee all calls will be long.
6456 * doc/extend.texi (long_call/short_call): Document that longcall
6457 does not guarantee a long call will be used.
6458 (longcall/shortcall): Likewise.
6460 2006-07-18 Roger Sayle <roger@eyesopen.com>
6463 * expmed.c (expand_shift): Additionally check that the shift_cost
6464 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6465 before implementing a LSHIFT_EXPR as a sequence of additions.
6466 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6467 middle-end that DImode shifts need to be synthesized by expand.
6469 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6472 * tree-ssa-operands.c (access_can_touch_variable): Update
6474 Return true if ALIAS is .GLOBAL_VAR.
6476 2006-07-18 David Daney <ddaney@avtrex.com>
6478 * gcc.c (display_help): Fix typo in help text.
6480 2006-07-18 Olivier Hainque <hainque@adacore.com>
6482 * tree.h (categorize_ctor_elements): Adjust prototype and add
6483 descriptive comment, both in accordance with the interface change
6485 * varasm.c (constructor_static_from_elts_p): New function.
6486 Whether a constructor node is a valid static constant initializer
6487 if all its elements are.
6488 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6489 * output.h: Declare it.
6490 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6491 is a valid constant initializer instead of computing the number of
6492 non-constant elements. Use constructor_static_from_elts_p for this
6493 purpose. Replace the head comment with an indication that this is a
6494 helper for categorize_ctor_elements.
6495 (categorize_ctor_elements): Same interface change as for the _1
6496 helper. Former head comment from this helper moved here, adjusted to
6497 account for the interface changes.
6498 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6499 (all_zeros_p): Likewise.
6500 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6501 static versions of the constructor from the categorize_ctor_elements
6502 return value instead of the formerly computed number of non-constant
6505 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6507 * configure: Regenerate.
6508 * Makefile.in (build_libsubdir): New configure substitution
6509 (build_libobjdir): New variable.
6510 (BUILD_LIBIBERTY): Use it.
6512 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6515 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6517 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6520 * c-common.c (handle_weakref_attribute): Ignore attribute in
6521 the same conditions the alias attribute is ignored.
6523 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6525 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6526 (dbxout_begin_prologue): Increment scope_labelno.
6528 2006-07-17 Richard Henderson <rth@redhat.com>
6531 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6534 2006-07-17 Roger Sayle <roger@eyesopen.com>
6535 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6537 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6538 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6539 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6540 functions such as sbrk, write, etc.. Add function prototypes.
6541 Convert function declarations from K&R to ISO C. Cast pointers
6542 to "long" and "unsigned long" instead of "int" and "unsigned int".
6543 Convert tokens following #endif into comments.
6545 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6547 * invoke.texi: Remove mention of f77; Reformat table for
6548 inline parameter options correctly; mention that -malign-double
6549 is default on x86-64 targets.
6551 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6553 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6554 (convert_affine_scev, chrec_convert_aggressive): Use
6555 avoid_arithmetics_in_type_p. Do not check for the subtypes
6558 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6561 * optabs.c (expand_doubleword_shift): Wrap the call to
6562 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6564 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6567 * optabs.c (expand_binop): Pass next_methods rather than methods
6568 to expand_doubleword_shift.
6570 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6573 * tree.h (dump_addr): Declare.
6574 * print-tree.c (dump_addr): New function.
6575 (print_node_brief, print_node): Use it.
6576 * print-rtl.c (print_rtx): Likewise.
6577 * common.opt (-fdump-noaddr): New option.
6578 * doc/invoke.texi (-fdump-noaddr): Document.
6579 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6580 (ve_info_hash): Likewise.
6582 2006-07-13 Andrew Haley <aph@redhat.com>
6584 PR tree-optimization/19505
6585 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6586 edge leaving this block, make sure that the destination of this
6587 block has only one predecessor.
6589 2006-07-17 Richard Guenther <rguenther@suse.de>
6591 PR tree-optimization/28238
6592 * tree-inline.c (copy_bb): Check if we produced valid
6593 gimple copying and substituting a stmt. If not, gimplify
6596 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6598 * optabs.c (maybe_encapsulate_block): New function extracted from...
6599 (emit_libcall_block): ...here. Invoke it on the block of insns to
6600 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6601 (emit_no_conflict_block): Likewise.
6603 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6605 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6607 2006-07-15 Roger Sayle <roger@eyesopen.com>
6609 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6610 a new NOP_EXPR case of the switch statement.
6612 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6615 * stor-layout.c (place_field): Take the bit field with
6616 an excessive size into account in the ms-bitfiled case.
6619 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6620 the previous bit field.
6622 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6625 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6627 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6629 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6630 signal frames correctly even when the signal was installed with
6633 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6635 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6636 (dbxout_function_end): Use local label LFBB. Remove hook
6638 (dbxout_source_line): Use local label LFBB.
6639 (dbxout_block): Likewise.
6640 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6641 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6642 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6643 and DBX_OUTPUT_NFUN.
6645 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6647 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6649 2006-07-13 Jan Hubicka <jh@suse.cz>
6651 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6653 * output.h (align_variable): Declare.
6654 * varasm.c (align_variable): Export.
6655 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6656 when basic block changed.
6658 2006-07-13 Nick Clifton <nickc@redhat.com>
6660 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6661 walking the LOG_LINKS chain.
6663 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6665 * doc/invoke.texi (C++ Dialect Options): Explain difference
6666 between -fvisibility-inlines-hidden and setting hidden
6667 visibility explicitly.
6669 2006-07-12 Eric Christopher <echristo@apple.com>
6671 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6672 (stmp-lipo): Depend on libgcc.a.
6674 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6676 * tree.c: Fix a comment typo.
6678 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6680 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6682 (umulhisi3_r): Likewise.
6684 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6687 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6688 x < 19, vs wchar_t support.
6690 2006-07-12 Nick Clifton <nickc@redhat.com>
6692 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6693 instead of -isa=sh4.
6695 2006-07-12 Mike Stump <mrs@apple.com>
6697 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6699 2006-07-10 Eric Christopher <echristo@apple.com>
6701 * config/t-slibgcc-darwin: Rewrite.
6703 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6706 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6709 2006-07-08 Matthias Klose <doko@debian.org>
6711 * doc/sourcebuild.texi: Fix typo.
6713 2006-07-07 Mike Stump <mrs@apple.com>
6715 * toplev.c (process_options): Don't give -ffunction-sections may
6716 affect debugging warning for Mach-O.
6718 2006-07-07 James E Wilson <wilson@specifix.com>
6720 * config/mips/mips.md (cpu): Add sb1a.
6721 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6722 addition to sb1. Adjust comments to clarify SB-1A differences from
6724 (ir_sb1a_load): New. Modify bypasses to use it.
6725 (ir_sb1a_simple_alu): Likewise.
6726 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6727 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6728 (mips_issue_rate): Add PROCESSOR_SB1A.
6729 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6730 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6731 (TARGET_SB1): Add PROCESSOR_SB1A check.
6732 (TUNE_SB1): Likewise.
6734 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6735 * config/mips/mips.c (mips_store_data_bypass_p): New.
6736 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6737 store_data_bypass_p.
6739 2006-07-08 Paul Brook <paul@codesourcery.com>
6742 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6744 2006-07-07 Richard Guenther <rguenther@suse.de>
6747 * tree.h (build_one_cst): Declare.
6748 * tree.c (build_one_cst): New function.
6749 * tree-ssa-math-opts.c (get_constant_one): Remove.
6750 (insert_reciprocals): Use build_one_cst.
6751 * fold-const.c (fold_plusminus_mult): Likewise.
6753 2006-07-07 Roger Sayle <roger@eyesopen.com>
6755 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6756 * cfgloopanal.c (dump_graph): Likewise.
6757 * dojump.c (discard_pending_stack_adjust): Likewise.
6758 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6760 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6761 * function.c (finalize_block_changes): Likewise.
6762 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6763 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6764 * rtl.c (dump_rtx_statistics): Likewise.
6765 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6767 * varray.c (dump_varray_statistics): Likewise.
6768 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6769 decode_decimal64, encode_decimal128, decode_decimal128,
6770 decimal_real_to_decimal): Likewise.
6772 2006-07-07 Richard Guenther <rguenther@suse.de>
6774 PR tree-optimization/28187
6775 * tree-vrp.c (vrp_operand_equal_p): New function.
6776 (vrp_bitmap_equal_p): Likewise.
6777 (update_value_range): Use them to compare old and new
6780 2006-07-06 Roger Sayle <roger@eyesopen.com>
6782 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6783 a default case to switch statement to silence compiler warnings.
6785 2006-07-06 Roger Sayle <roger@eyesopen.com>
6788 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6789 the configured assembler supports the x87's ffreep mnemonic.
6790 * configure: Regenerate.
6791 * config.in: Regenerate.
6793 * config/i386/i386.c (output_387_ffreep): New function.
6794 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6795 (output_387_reg_move): Likewise.
6797 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6799 Port to hosts whose 'sort' and 'tail' implementations
6800 treat operands with leading '+' as file names, as POSIX
6801 has required since 2001. However, make sure the code still
6802 works on pre-POSIX hosts.
6803 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6804 which says you should use "tail -c +N" rather than "tail +Nc".
6805 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6807 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6809 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6812 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6815 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6816 PRE_{INC,DEC} of TFmode.
6818 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6819 Alan Modra <amodra@bigpond.net.au>
6822 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6825 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6828 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6829 Remove duplicate gtu.
6831 2006-07-05 Jason Merrill <jason@redhat.com>
6835 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6836 * c-common.c (handle_packed_attribute): So don't copy it here.
6837 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6839 2006-07-05 Mike Stump <mrs@apple.com>
6841 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6843 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6846 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6848 2006-07-05 Richard Guenther <rguenther@suse.de>
6851 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6852 TARGET_SSE2 targets if using SSE math.
6853 (*absdf2_1): Likewise.
6855 2006-07-05 Richard Guenther <rguenther@suse.de>
6857 PR tree-optimization/28162
6858 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6859 make sure to convert the operands to the correct type.
6861 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6863 PR tree-optimization/28218
6865 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6866 to calculate and free the dominator information.
6868 2006-07-04 Peter O'Gorman <peter@pogma.com>
6870 * mklibgcc.in: chmod 644 before ranlib during install.
6872 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
6873 J"orn Rennecke <joern.rennecke@st.com>
6875 * configure.ac (.eh_frame data check): Use diff -b.
6877 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
6880 * Makefile.in (BUILD_RTL): Add build/vec.o.
6881 (build/gencondmd.o): Filter out -fkeep-inline-functions.
6882 (build/genextract): Delete.
6883 (build/genautomata): Likewise.
6885 2006-07-04 Alan Modra <amodra@bigpond.net.au>
6888 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
6889 128-bit IBM long doubles for ABI_V4.
6891 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
6893 * tree.c (range_in_array_bounds_p): New predicate.
6894 * tree.h (range_in_array_bounds_p): Declare it.
6895 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
6896 return a less conservative answer.
6897 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
6898 and flag 'is_group'.
6899 (IS_ELEMENT_FOR_GROUP): New macro.
6900 (FOR_EACH_ACTUAL_CHILD): Likewise.
6901 (next_child_for_group): New helper function.
6902 (can_completely_scalarize_p): Take into account groups.
6903 (sra_hash_tree): Handle RANGE_EXPR.
6904 (sra_elt_eq): Likewise.
6905 (lookup_element): Be prepared for handling groups.
6906 (is_valid_const_index): Delete.
6907 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
6908 instead of is_valid_const_index.
6909 <ARRAY_RANGE_REF>: New case.
6910 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
6911 is_valid_const_index.
6912 <ARRAY_RANGE_REF>: Do not unconditionally punt.
6913 (scan_dump): Dump info for groups too.
6914 (decide_instantiation_1): Likewise.
6915 (decide_block_copy): Assert that the element is not a group.
6916 Propagate decision to groups.
6917 (generate_one_element_ref): Handle RANGE_EXPR.
6918 (mark_no_warning): Iterate over actual childs.
6919 (generate_copy_inout): Likewise.
6920 (generate_element_copy): Likewise.
6921 (generate_element_zero): Likewise.
6922 (generate_element_init_1): Likewise.
6923 (dump_sra_elt_name): Handle RANGE_EXPR.
6925 2006-07-03 Roger Sayle <roger@eyesopen.com>
6927 PR tree-optimization/26251
6928 * tree-ssa-threadupdate.c (redirection_block_p): New function.
6929 (thread_block): When optimizing for size refuse to thread jumps
6930 that would require duplication of blocks other than redirection
6933 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6935 * configure.ac: Fix thinko in previous check-in.
6936 * configure: Regenerate.
6938 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
6941 * configure.ac (for lang...): Simplify nesting of conditionals.
6942 Test subdir_requires for non-enabled languages. Move processing
6943 of lang_opt_files and lang_tree_fiels below that test.
6944 * configure: Regenerate.
6945 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
6947 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
6949 * doc/gcov.texi (Invoking Gcov): Add a missing word.
6951 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
6953 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
6956 2006-06-29 Jason Merrill <jason@redhat.com>
6963 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
6964 * c-common.c (c_determine_visibility): Handle it here.
6965 * c-decl.c (finish_decl): Call c_determine_visibility for
6967 * flags.h (enum symbol_visibility): Sort from most to least visibility.
6969 * varasm.c (default_assemble_visibility): Likewise.
6970 * c-common.c (handle_visibility_attribute): Complain about trying
6971 to give visibility to an already defined class, or trying to change
6972 declared visibility. Always attach the attribute.
6977 * attribs.c (decl_attributes): Ignore type-in-place attributes
6978 once the type has been defined.
6980 2006-06-29 Roger Sayle <roger@eyesopen.com>
6983 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
6984 to indicate the cpplib has issued an error message for us.
6986 2006-06-29 Asher Langton <langton2@llnl.gov>
6989 * config/i386/i386.c (ix86_output_function_epilogue): Don't
6990 insert a label at the end of an function under Mach-O.
6992 2006-06-29 Eric Christopher <echristo@apple.com>
6993 Evan Cheng <evan.cheng@apple.com>
6995 * predicates.md (vector_all_ones_operand): New.
6996 (nonimmediate_or_sse_const_operand): Ditto.
6997 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
6998 * config/i386/i386.c (standard_sse_constant_opcode): Define.
6999 (standard_sse_mode_p): Ditto.
7000 (standard_sse_constant_p): Add case for -1 vector.
7001 (ix86_expand_vector_move): Try to use.
7002 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7003 Call standard_sse_constant_opcode.
7004 (*movv4sf_internal): Ditto.
7005 (*movv2df_internal): Ditto.
7007 2006-06-29 Roger Sayle <roger@eyesopen.com>
7009 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7010 of XEXP to extract the operands of a MATCH_CODE rtx.
7012 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7014 * tree.c (tree_size): Do not waste tail padding in
7015 struct tree_string and make the size be the same as
7016 build_string will generate.
7018 2006-06-28 Jason Merrill <jason@redhat.com>
7021 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7022 may_aliases already in the tag's annotations to the bitmap.
7024 2006-06-28 Roger Sayle <roger@eyesopen.com>
7026 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7028 2006-06-28 Roger Sayle <roger@eyesopen.com>
7030 * genpreds.c (generate_switch_p): New function.
7031 (add_mode_tests): Push the new mode test down inside an AND expr
7032 if this allows the switch-suitable MATCH_CODE to be near the root.
7033 (write_match_code_switch): New function to write a MATCH_CODE as
7035 (write_predicate_stmts): New function to write a predicate RTX
7036 expression as a sequence of statements.
7037 (write_one_predicate_function): Use write_predicate_stmts.
7038 (write_tm_constrs_h): Likewise.
7040 2006-06-26 Fred Fish <fnf@specifix.com>
7042 * config/mips/t-sb1: New file.
7043 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7046 2006-06-26 DJ Delorie <dj@redhat.com>
7048 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7050 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7051 Jayant Sonar <jayants@kpitcummins.com>
7052 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7054 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7055 (subsi3, subsi3_1, subsi3_2): New.
7056 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7057 * config/m32c/mov.md (SI mov peephole): New.
7058 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7059 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7061 2006-06-26 Olivier Hainque <hainque@adacore.com>
7063 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7064 a CALL_EXPR target function declaration.
7066 2006-06-26 Richard Guenther <rguenther@suse.de>
7068 * tree.c (build_string): Do not waste tail padding in
7071 2006-06-26 Richard Guenther <rguenther@suse.de>
7073 * ggc-page.c (init_ggc): Add missing element to size_lookup
7077 2006-06-23 Richard Guenther <rguenther@suse.de>
7079 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7080 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7081 alignment requests instead. Add verification code.
7082 Add struct tree_function_decl and struct tree_binfo size to
7083 extra_order_size_table. Add missing element to size_lookup
7086 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7089 * fold-const.c (const_binop): Be prepared for self returning zero.
7090 Simplify code handling complex values.
7092 2006-06-24 Olivier Hainque <hainque@adacore.com>
7094 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7095 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7098 2006-06-24 Olivier Hainque <hainque@adacore.com>
7100 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7101 ARRAY_REF, so have the callback called for the low bound expression.
7103 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7105 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7106 * c-typeck.c (c_common_type): Disallow operations on decimal float
7107 types and other float types.
7108 * convert.c (convert_to_real): Don't ignore conversions involving
7109 decimal float types.
7111 2006-06-23 Olivier Hainque <hainque@adacore.com>
7113 * tree.c (max_int_size_in_bytes): New function, inspired from
7114 code in function.c:assign_temp.
7115 * tree.h (max_int_size_in_bytes): Declare.
7116 * function.c (assign_temp): Use it.
7117 * gimplify.c (create_tmp_var): Relax the assertions on the type
7118 properties, not mandating constant size any more.
7119 (force_constant_size): New static function.
7120 (gimple_add_tmp_var): Use it, forcing variable size to a
7121 constant upper bound if it is not constant on entry.
7123 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7126 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7127 for initialization and setting of one_only flag to ...
7128 (i386_pe_encode_section_info): ...here.
7129 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7130 Recheck that the symbol has not been defined.
7132 2006-06-23 Richard Guenther <rguenther@suse.de>
7134 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7135 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7136 alignment requests instead. Add verification code.
7137 Add struct tree_function_decl and struct tree_binfo size to
7138 extra_order_size_table. Add missing element to size_lookup
7141 2006-06-22 Roger Sayle <roger@eyesopen.com>
7142 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7145 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7146 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7148 2006-06-23 Ben Elliston <bje@au.ibm.com>
7150 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7151 negate dn -- manipulate it directly.
7153 2006-06-22 Roger Sayle <roger@eyesopen.com>
7154 Steven Bosscher <stevenb.gcc@gmail.com>
7157 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7158 generated by gen_move_insn to add REG_LABEL notes if necessary.
7160 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7162 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7163 (leaf_entry): Remove use of MIN_ESA.
7165 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7167 PR rtl-optimization/28121
7168 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7171 2006-06-21 DJ Delorie <dj@redhat.com>
7173 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7175 (mulhisi3_r): Likewise.
7177 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7180 * coverage.c (coverage_counter_alloc): Leave the index type
7182 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7185 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7187 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7188 section from the "Options for Code Generation Conventions".
7190 2006-06-21 Richard Henderson <rth@redhat.com>
7194 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7196 (global_symbolic_operand): Allow weak symbols, even if local_p.
7198 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7200 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7201 (find_interesting_uses_address): Punt if above function returns true.
7203 2006-06-21 Richard Guenther <rguenther@suse.de>
7205 * configure: Regenerated.
7207 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7209 * config/mips/mips.c (function_arg): Where one part of a
7210 complex argument is in registers and the other part in the stack,
7211 return a REG not a PARALLEL.
7213 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7215 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7216 when cross-compiling. Do not substitute libstdcxx_incdir.
7217 * configure: Regenerated.
7219 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7221 * varasm.c (mergeable_string_section): Check for embedded NULs and
7222 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7223 rather than TREE_STRING_LENGTH bytes.
7225 2006-06-21 Richard Guenther <rguenther@suse.de>
7227 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7228 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7231 2006-06-21 Richrad Guenther <rguenther@suse.de>
7233 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7234 Limit iteration over the dominators.
7236 2006-06-20 Roger Sayle <roger@eyesopen.com>
7238 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7239 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7241 2006-06-20 Richard Guenther <rguenther@suse.de>
7242 Michael Matz <matz@suse.de>
7244 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7246 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7247 * et-forest.h (et_free_pools): Prototype new function.
7248 * et-forest.c (et_free_tree_force): Free parent occurrence.
7249 (et_free_pools): New function.
7250 * dominance.c (free_dominance_info): Free et-forest alloc
7253 2006-06-20 Roger Sayle <roger@eyesopen.com>
7255 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7256 integer modes, attempt to directly construct an integer constant.
7258 * fold-const.c (native_encode_vector): Determine the size of each
7259 element from the vector type instead of the first vector element.
7261 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7262 if all of its elements/components are constant.
7263 (build_constructor_from_list): Likewise.
7265 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7267 PR tree-optimization/27331
7268 * tree-data-ref.c (free_data_ref): New function.
7269 (create_data_ref): Fail if the data reference has unknown access
7271 (free_data_refs): Use free_data_ref.
7273 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7276 * tree-inline.c (setup_one_parameter): Strip useless
7277 type conversion before adding it to the IR.
7278 (declare_return_variable): Likewise.
7280 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7283 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7285 2006-06-19 Mike Stump <mrs@apple.com>
7287 * tree.c (variably_modified_type_p): VM arguments don't make the
7290 2006-06-19 Richard Guenther <rguenther@suse.de>
7292 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7293 type conversions after folding.
7295 2006-06-19 Richard Guenther <rguenther@suse.de>
7297 * ggc-page.c (extra_order_size_tab): Add entries with
7298 size of struct function and basic_block.
7299 (size_lookup): Extend to cover sizes up to 511.
7300 (ggc_alloc_stat): Adjust user.
7301 (ggc_pch_count_object): Likewise.
7302 (ggc_pch_alloc_object): Likewise.
7303 (ggc_pch_write_object): Likewise.
7305 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7307 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7308 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7311 2006-06-19 Denis Chertykov <denisc@overta.ru>
7313 * config/avr/libgcc.S : Correct my wrong previous commit.
7315 2006-06-19 Roger Sayle <roger@eyesopen.com>
7318 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7319 have stripped a SUBREG from the shift count, so we may need to
7320 convert_to_mode back to the type's mode before calling make_tree.
7321 Use new_amount instead of amount to avoid expanding a tree twice.
7323 2006-06-19 Richard Guenther <rguenther@suse.de>
7326 * fold-const.c (operand_equal_p): Check if the argument types
7327 have the same precision before stripping NOPs.
7329 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7331 Fix PR tree-optimization/27341
7332 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7334 * tree-complex.c (pass_lower_complex): Update SMT usage.
7336 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7338 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7339 Add a new alternative to the constraint strings. Add move of
7340 operand 1 to 3 to the splitter definition.
7341 ("doloop_si_long"): Second contraint alternative removed.
7343 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7345 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7346 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7348 (AVR_HAVE_MOVW) Define.
7349 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7350 (ASM_SPEC): Add avr25.
7351 (LINK_SPEC): Add avr25.
7352 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7353 (base_arch_s): Add new member 'have_movw_lpmx'.
7354 (avr_arch_types): Init 'have_movw_lpmx'.
7355 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7356 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7357 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7358 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7359 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7361 (avr_file_start): Do not output '.arh' derective.
7362 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7363 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7364 * config/avr/avr.md (mcu_enhanced): Delete.
7365 (mcu_have_movw): Define.
7366 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7367 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7368 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7369 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7370 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7371 attiny861 and at86rf401 devices.
7373 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7375 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7378 2006-06-17 Karl Berry <karl@gnu.org>
7380 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7381 doc/gccint.texi, doc/install.texi (@dircategory): Use
7382 "Software development" instead of "Programming", following
7383 the Free Software Directory.
7385 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7387 * config/i386/i386.c (legitimate_tls_address)
7388 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7389 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7390 (*tls_dynamic_gnu2_combine_64): Likewise.
7392 2006-06-16 Richard Guenther <rguenther@suse.de>
7395 * fold-const.c (negate_expr_p): Do not introduce undefined
7396 overflow in negating INTEGER_CSTs.
7397 (fold_negate_expr): Rename from negate_expr. Revert last
7398 change for folding BIT_NOT_EXPR. Change semantics to
7399 return NULL_TREE for non-simplified negations. Do not
7400 strip type conversions and unify type handling.
7401 (negate_expr): New function, wrap around fold_negate_expr
7402 but ensure building a tree always. Strip type conversions
7403 here, fold to result type.
7404 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7406 2006-06-16 Roger Sayle <roger@eyesopen.com>
7409 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7410 that (would) return their results in stack registers.
7412 2006-06-16 Michael Matz <matz@suse.de>
7413 Richard Guenther <rguenther@suse.de>
7415 * fold-const.c (fold_truthop): Only return new tree node if
7416 we canonicalized something.
7418 2006-06-16 Richard Guenther <rguenther@suse.de>
7420 * function.h (enum function_frequency): Move declaration
7421 out of struct function.
7422 (struct function): Move bool fields and the enum to the bitfield
7423 section. Reorder elements to avoid padding. Remove unused
7424 fields left over from the RTL inliner removal.
7425 * function.c (free_after_compilation): Do not zero removed fields.
7426 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7427 (ipa-type-escape.o): Likewise.
7429 2006-06-16 Richard Guenther <rguenther@suse.de>
7431 * cgraph.h (struct cgraph_local_info): Turn bool elements
7433 (struct cgraph_node): Likewise.
7434 (struct cgraph_varpool_node): Likewise.
7436 2006-06-15 Richard Guenther <rguenther@suse.de>
7438 * fold-const.c (fold_truth_not_expr): Rename from
7439 invert_truthvalue. Give it fold_* semantics to avoid
7441 (invert_truthvalue): New function. Wrapper around
7442 fold_truth_not_expr.
7443 (optimize_minmax_comparison): Avoid creating garbage.
7444 (fold_unary): Use fold_truth_not_expr for folding
7446 (fold_ternary): Replace uses of invert_truthvalue with
7447 fold_truth_not_expr where applicable.
7448 * tree.h (fold_truth_not_expr): Prototype.
7450 2006-06-16 Richard Guenther <rguenther@suse.de>
7452 PR tree-optimization/27781
7453 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7454 * ipa-pure-const.c (target.h): Include.
7455 (analyze_function): Do not analyze functions that do not
7458 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7461 * tree-dfa.c (referenced_vars_dup_list): Remove.
7462 (find_referenced_vars): Remove assert.
7463 (referenced_var_check_and_insert): Replace dup list with assert.
7464 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7465 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7467 2006-06-15 Richard Guenther <rguenther@suse.de>
7469 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7470 extra unused identifiers if not dumping.
7471 (create_variable_info_for): Likewise.
7473 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7475 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7476 (derive_constant_upper_bound): Derive more precise upper bound in
7477 common cases. Return type changed to double_int.
7478 (record_estimate): Reflect the changed return type of
7479 derive_constant_upper_bound.
7480 * double-int.c (double_int_zext, double_int_sext): Fix.
7482 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7484 * configure.ac (CFLAGS): Get them from the toplevel or from the
7485 configure invocation.
7486 * configure: Regenerate.
7487 * Makefile.in (CFLAGS): Substitute value provided by configure.
7489 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7492 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7493 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7494 rather than calling add_stmt on it.
7495 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7497 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7500 * reload1.c (reload): Remove registers returned by update_eliminables
7501 from used_spill_regs.
7503 2006-06-13 DJ Delorie <dj@redhat.com>
7505 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7507 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7509 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7510 html__strip_dir, html__mkdir_p. Enhance install-html target.
7511 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7512 * configure: Regenerate.
7514 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7516 * fold-const.c (fold_cond_expr_with_comparison): Check for
7517 Objective-C++ as language in deciding COND_EXPR transformation.
7519 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7522 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7523 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7524 * config/sh/lib1funcs.h (SL, SL1): Define.
7525 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7526 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7527 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7528 (OBJS_Os_4_200): New variable.
7529 ($(T)libgcc-Os-4-200.a): Use it.
7530 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7531 when dividing 1 and/or by 0.
7533 2006-06-13 Roger Sayle <roger@eyesopen.com>
7535 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7536 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7537 * configure: Regenerate.
7539 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7541 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7542 for real instruction.
7544 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7547 * haifa-sched.c (check_cfg): Handle special case.
7549 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7552 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7553 Add debug_info parameter. Chain the vars to the BLOCK instead
7554 of the BIND_EXPR if debug info are requested for them.
7555 (pop_gimplify_context): Adjust for above change.
7556 (gimple_add_tmp_var): Likewise.
7557 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7559 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7560 (convert_local_reference): Likewise.
7561 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7562 (finalize_nesting_tree_1): Request that debug info be emitted
7563 for debug_var_chain.
7565 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7567 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7568 for PR target/27863.
7570 2006-06-13 Richard Guenther <rguenther@suse.de>
7573 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7575 2006-06-13 Richard Guenther <rguenther@suse.de>
7577 PR tree-optimization/27830
7578 * tree-inline.c (copy_body_r): For copying the operand
7579 of an ADDR_EXPR make sure to fold &* afterwards.
7581 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7583 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7584 lvalues in the fb_none case with side-effects.
7586 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7588 * tree-flow.h: Remove the prototype for
7589 compute_phi_arg_on_exit.
7590 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7591 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7594 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7596 * builtins.c (expand_builtin_return_addr): Only use
7597 frame_pointer_rtx when count == 0 and we are expanding
7598 __builtin_return_address.
7600 2006-06-12 Fred Fish <fnf@specifix.com>
7602 * config/mips/mips.c (mips_file_start): Create special section
7603 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7605 2006-06-11 Eric Christopher <echristo@apple.com>
7608 * stor-layout.c (place_field): Remove check for
7609 remaining_in_alignment when aligning at the end of a run.
7611 2006-06-11 Eric Christopher <echristo@apple.com>
7614 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7617 2006-06-11 Roger Sayle <roger@eyesopen.com>
7620 Revert incorrect fix for PR target/27158
7621 2006-05-08 Roger Sayle <roger@eyesopen.com>
7622 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7623 of a reg_equiv_constant if the result is a legitimate constant.
7625 2006-06-11 Roger Sayle <roger@eyesopen.com>
7628 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7629 extract a CONST_VECTOR element and interpret it as an integer.
7630 (vspltis_constant): Use const_vector_elt_as_int instead of the
7631 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7632 * config/rs6000/predicates.md (easy_vector_const): Consider
7633 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7635 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7638 * stor-layout.c (update_alignment_for_field): Don't add extra
7639 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7642 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7644 * config/mips/t-rtems: Add EL/EB multilib variants.
7646 2006-06-09 Mike Stump <mrs@apple.com>
7648 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7650 2006-06-09 David Daney <ddaney@avtrex.com>
7652 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7654 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7656 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7658 2006-06-09 Richard Guenther <rguenther@suse.de>
7660 PR tree-optimization/26998
7661 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7662 of signed types, only TYPE_MIN_VALUE is special, but for both,
7663 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7664 in this case, as is -fwrapv.
7666 2006-06-08 Mike Stump <mrs@apple.com>
7669 * config/darwin.c (darwin_asm_output_anchor): Disable
7670 -fsection-anchors on darwin for now.
7671 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7672 * rs6000/rs6000.c (optimization_options): Likewise.
7674 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7677 * config/i386/i386.c (classify_argument): Skip fields with invalid
7680 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7682 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7683 (cse_insn): Likewise for the stack_pointer_rtx.
7685 2006-06-08 Roger Sayle <roger@eyesopen.com>
7687 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7688 conditions from floating point comparisons.
7690 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7693 * expmed.c (struct alg_hash_entry): Fix type of field T
7694 to match synth_mult argument.
7695 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7697 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7700 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7703 2006-06-08 Richard Guenther <rguenther@suse.de>
7706 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7707 only, if overflow is defined and not trapping.
7708 (negate_expr): Likewise.
7710 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7712 PR tree-optimization/27872
7713 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7714 flag on the new exit edge of the unrolled loop.
7716 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7718 PR rtl-optimization/26449
7719 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7721 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7724 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7725 referenced_variables with matching DECL_UID's.
7726 (find_referenced_vars): Make sure duplicate list is empty to start.
7727 (referenced_var_p): Remove.
7728 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7729 Check if var is in the list, and add if needed. Update the duplicate
7730 list if a different var is in the list with the same DECL_UID.
7731 (add_referenced_var): Call routine to check and insert.
7732 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7733 * tree-flow.h (referenced_vars_dup_list): External declaration.
7735 2006-06-07 Fred Fish <fnf@specifix.com>
7737 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7740 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7743 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7744 the imaginary and real parts of a clobbered register.
7745 Emit insn to set the imaginary part.
7747 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7749 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7750 in lieu of unwind-dw2-fde.c.
7752 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7754 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7756 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7759 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7760 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7761 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7762 V4SImode temporaries and operations instead.
7764 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7766 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7769 2006-06-06 Mike Stump <mrs@apple.com>
7771 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7772 installing during build.
7774 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7776 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7778 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7779 * config/ia64/ia64.c (params.h): New header.
7780 (ia64_optimization_options): New function to adjust parameters.
7781 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7782 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7783 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7785 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7787 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7789 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7792 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7794 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7795 Victor Kaplansky <victork@il.ibm.com>
7797 PR tree-optimization/26360
7798 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7801 2006-06-04 Roger Sayle <roger@eyesopen.com>
7802 Andrew Pinski <pinskia@physics.uc.edu>
7805 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7806 for LABEL_DECL before calling DECL_WEAK.
7809 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7810 LABEL_DECL and PARM_DECL.
7812 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7816 * c-decl.c (grokdeclarator): Disallow variably modified types at
7817 file scope. Avoid marking shared array type of constant size as
7820 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7823 * c-common.c (fold_offsetof_1): Handle static members.
7825 2006-06-04 Eric Christopher <echristo@apple.com>
7827 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7828 (debug_rli): Output value for remaining_in_alignment.
7829 (update_alignment_for_field): Unconditionalize
7830 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7831 extra alignment code.
7832 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7833 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7834 * tree.h (record_layout_info_s): Remove prev_packed.
7835 * doc/extend.texi (ms_struct): Add documentation of format.
7837 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7839 * tree.h: Declare folding_initializer.
7840 * builtins.c (fold_builtin_constant_p): Give definite answer
7841 if folding inside an initializer.
7842 * fold-const.c: Define folding_initializer.
7843 (START_FOLD_INIT): Save and then set folding_initializer.
7844 (END_FOLD_INIT): Restore folding_initializer.
7846 2006-06-04 Richard Guenther <rguenther@suse.de>
7848 PR tree-optimization/27039
7849 * fold-const.c (fold_comparison): Handle pointer comparison
7850 again for all comparison codes. Compare offsets in signed
7852 (fold_binary): Move code from here.
7854 2006-06-03 Roger Sayle <roger@eyesopen.com>
7857 * config/i386/i386.c (construct_container): Split static issued_error
7858 flag into issued_sse_arg_error, issued_sse_ret_error and
7859 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7860 requires the use of x87 registers and the user explicitly
7861 specified the -mno-80387 command line option.
7863 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7865 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7866 HAVE_DECL_SIGALTSTACK.
7868 (segv_handler): Use MC_FLD.
7869 * configure.ac: Check for a sigaltstack declaration.
7870 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7871 * configure: Regenerate.
7872 * config.in: Regenerate.
7874 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
7877 * Makefile.in (stmp-fixinc): Fix typo.
7879 2006-06-02 Roger Sayle <roger@eyesopen.com>
7881 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
7882 are type correct. Clean-up.
7883 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
7884 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
7886 2006-06-01 DJ Delorie <dj@redhat.com>
7888 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
7889 shift, as we've disabled the "switch" insn that needs it.
7891 2006-06-01 Per Bothner <bothner@bothner.com>
7893 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
7894 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
7895 * c-ppoutput.c (cb_define): Don't increment line 0.
7897 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
7899 * doc/invoke.texi: Add cpu_type power6.
7900 * config.gcc: Add cpu_type power6.
7901 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
7902 to power5+ with Altivec.
7903 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
7904 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
7906 2006-05-30 Anatoly Sokolov <aesok@post.ru>
7908 * config/avr/avr.h (SET_ASM_OP): Define.
7910 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
7912 * config/bfin/bfin.c: Fix comment typos.
7914 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7917 * doc/install.texi: Document --enable-bootstrap and
7918 --disable-bootstrap.
7920 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
7922 * doc/install.texi: Document that InfoZIP can replace jar.
7924 2006-05-31 Roger Sayle <roger@eyesopen.com>
7926 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
7927 isn't available, directly generate the simpler x87 patterns without
7928 the (use (const_int 0)).
7929 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
7930 implementation isn't available.
7931 (*negdf2_1): Likewise.
7932 (*negxf2_1): XF mode negation is always done using the x87.
7933 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
7935 2006-05-31 Roger Sayle <roger@eyesopen.com>
7937 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
7938 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
7940 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
7942 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7944 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
7945 * config/bfin/bfin.c (basic-block.h): Include.
7946 (struct machine_function): New.
7947 (bfin_init_machine_status): New.
7948 (override_options): Initialize init_machine_status.
7949 (bfin_hardware_loop): New.
7950 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
7951 (DEF_VEC_P (loop_info)): New.
7952 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
7953 (struct loop_info): New.
7954 (loop_info): New typedef.
7955 (struct loop_work): New.
7956 (loop_work): New typedef.
7957 (DEF_VEC_O (loop_work)): New.
7958 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
7959 (bfin_dump_loops): New.
7960 (bfin_bb_in_loop): New.
7961 (bfin_scan_loop): New.
7962 (bfin_optimize_loop): New.
7963 (bfin_reorg_loops): New.
7964 (bfin_reorg): Use bfin_reorg_loops.
7965 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
7967 (I_REGNO_P): Simplify.
7968 (DP_REGNO_P, DPREG_P): New macros.
7969 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
7970 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
7971 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
7972 Add LT_REGS, LC_REGS, LB_REGS.
7973 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
7975 (REGNO_REG_CLASS): Deal with loop registers.
7976 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
7978 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
7979 New constants for loop registers.
7980 (UNSPEC_LSETUP_END): New.
7981 (seq_insns): New define_attr. Set it for appropriate insns.
7982 (movsi_insn): Add alternatives for move from/to
7983 loop count registers.
7984 (doloop_end): New define_expand.
7985 (loop_end): New define_insn.
7986 (define_split for bad doloop_end): New.
7987 (lsetup_with_autoinit): New define_insn.
7988 (lsetup_without_autoinit): New define_insn.
7989 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
7990 * config/bfin/predicates.md (lc_register_operand): New.
7991 (lt_register_operand): New.
7992 (lb_register_operand): New.
7993 (nondp_register_operand): New.
7994 (nondp_reg_or_memory_operand): New.
7995 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
7997 2006-05-31 Jie Zhang <jie.zhang@analog.com>
7999 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8000 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8002 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8004 * Makefile.in (CATALOGS): Add po/ prefix.
8005 * configure: Regenerated.
8007 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8010 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8011 a shift operand before calling shift_op. Avoid redundant call of
8014 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8015 DJ Delorie <dj@redhat.com>
8017 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8018 we're inserting is a singlt-bit constant.
8020 2006-05-30 Roger Sayle <roger@eyesopen.com>
8022 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8023 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8025 2006-05-30 Roger Sayle <roger@eyesopen.com>
8027 PR tree-optimization/23452
8028 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8029 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8030 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8031 complex values and with -ffast-math for FP complex values.
8033 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8035 * c-common.h: Remove the prototype for yyparse.
8036 * rtl.h: Remove the prototype for init_loop.
8038 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8040 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8043 2006-05-30 Roger Sayle <roger@eyesopen.com>
8045 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8047 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8048 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8050 2006-05-30 Dirk Mueller <dmueller@suse.de>
8053 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8054 for CONSTANT_CLASS_P expresisons.
8056 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8059 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8061 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8063 PR tree-optimization/27779
8064 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8065 initial_condition instead of CHREC_LEFT.
8067 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8069 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8070 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8071 Make prototypes ISO C90.
8073 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8074 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8076 * see.c (see_analyze_one_def): Correct check.
8077 (see_get_extension_data): Check if extension is parallel.
8078 (see_get_extension_reg): Likewise.
8080 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8083 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8084 into register for (code == GTU).
8086 2006-05-29 Roger Sayle <roger@eyesopen.com>
8088 PR tree-optimization/24964
8089 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8090 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8091 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8092 abs(x)*abs(x) as x*x for scalar floating point modes.
8094 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8097 * lambda-code.c (perfect_nestify): Don't copy statements
8098 in the inner loop: move them to the inner loop header.
8100 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8103 * c-tree.texi: Document OpenMP directives and clauses.
8105 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8107 * varasm.c (globalize_decl): Fix indentation.
8109 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8112 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8113 pass_fre, pass_store_ccp, pass_copy_prop,
8114 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8115 pass_return_slot, pass_object_size, pass_lim,
8116 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8117 pass_loop_prefetch and pass_stdarg.
8119 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8121 * config/bfin/bfin.opt (mfdpic): New option.
8122 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8123 (EXTRA_MULTILIB_PARTS): Likewise.
8124 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8125 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8127 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8128 (CRT_CALL_STATIC_FUNCTION): New.
8129 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8131 (CRT_CALL_STATIC_FUNCTION): New.
8132 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8134 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8135 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8136 (initialize_trampoline): Changed to handle FD-PIC code generation.
8137 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8138 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8139 (override_options): Disallow -mid-shared-library -mfdpic combination.
8140 Can't do unaligned ops if FD-PIC.
8141 Turn off flag_pic if trying to generate non-id-shared-library
8142 non-fdpic code, since it's not supported.
8143 (bfin_assemble_integer): New function.
8144 (TARGET_ASM_INTEGER): Define.
8145 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8147 * config/bfin/crtn.s: Restore them.
8148 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8150 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8151 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8152 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8153 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8154 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8156 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8157 FDPIC_REGS and FDPIC_FPTR_REGS.
8158 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8159 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8160 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8161 (load_funcdescsi): New pattern.
8162 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8163 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8164 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8166 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8168 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8171 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8173 * tree-flow.h: Remove the prototype for add_type_alias.
8174 * tree-ssa-alias.c (add_type_alias): Remove.
8176 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8178 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8179 config/fr30/fr30.md, config/i386/i386-interix.h,
8180 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8181 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8182 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8183 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8184 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8185 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8186 Follow spelling conventions.
8187 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8188 Follow spelling conventions.
8190 2006-05-27 Richard Guenther <rguenther@suse.de>
8193 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8194 to produce a constant of value 1 of generic type.
8196 2006-05-27 Dirk Mueller <dmueller@suse.de>
8198 * cgraphunit.c (decide_is_function_needed): Fix wrong
8201 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8203 PR rtl-optimization/27661
8204 * reload.c (find_reloads): When reloading a VOIDmode constant
8205 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8206 use Pmode as mode of the reload register.
8208 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8210 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8211 is enabled at -O and above.
8213 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8216 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8219 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8222 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8223 for anonymous variables explicitly declared by front ends.
8225 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8227 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8228 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8229 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8230 ref-all pointers, run a finalization pass for them.
8231 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8232 (finalize_ref_all_pointers): New function.
8233 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8234 regular pointer type to a ref-all pointer type.
8235 (get_tmt_for): Return the special memory tag for ref-all pointers.
8237 2006-05-25 Richard Guenther <rguenther@suse.de>
8240 * fold-const.c (fold_binary): Do not look at the stripped
8241 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8243 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8245 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8246 for LT and GT if the computed range is effectively empty.
8248 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8251 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8252 mips_quad_format formats instead of ieee_single_format,
8253 ieee_double_format and ieee_quad_format formats, respectively.
8255 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8257 PR tree-optimization/27639
8258 PR tree-optimization/26719
8259 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8260 call to scev_probably_wraps_p.
8261 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8262 used_in_pointer_arithmetic_p, convert_step): Removed.
8263 (nowrap_type_p): New function.
8264 (scev_probably_wraps_p): Rewritten.
8265 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8266 chrec_convert if chrec_convert_aggressive might have been used.
8267 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8268 scev_direction): New functions.
8269 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8270 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8271 instead of convert_step.
8272 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8273 (convert_step): Declaration removed.
8274 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8276 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8278 * df-core.c: Added to header comments.
8279 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8280 df_ur_bb_info, df_urec_bb_info): Added comments.
8281 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8282 urec, ri problems): Fixed header comments.
8283 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8284 code from df_rd_transfer_function.
8286 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8288 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8289 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8290 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8292 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8294 * expr.c (undefined_operand_subword_p): New.
8295 (emit_move_multi_word): Do not generate move from undefined bits
8296 of a paradoxical subreg.
8298 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8300 PR rtl-optimization/27736
8301 * combine.c (replaced_rhs_value): New variable.
8302 (combine_instructions): Set it.
8303 (distribute_notes): When distributing a note in replaced_rhs_insn,
8304 check whether the value was used in replaced_rhs_value.
8306 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8309 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8310 add_referenced_var instead of add_referenced_tmp_var.
8311 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8312 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8314 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8315 tree_optimize_tail_calls_1): Use add_referenced_var.
8316 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8317 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8318 Use add_referenced_var.
8319 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8320 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8321 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8322 Use add_referenced_var.
8323 * tree-dfa.c (struct walk_state): Remove.
8324 (find_referenced_vars): Remove walk state and vars_found hash table.
8325 (make_rename_temp): Use add_referenced_var.
8326 (find_vars_r): Pass less parameters to add_referenced_var.
8327 (referenced_var_p): New. Is var in referenced_var hash table.
8328 (referenced_var_insert): Assert var isn't already in hash table.
8329 (add_referenced_var): Don't need walk_state parameter. Add var if it
8330 isn't already in the hash table.
8331 (add_referenced_tmp_var): Remove.
8332 (find_new_referenced_vars_1): Use add_referenced_var.
8333 * tree-ssa-pre.c (create_expression_by_pieces,
8334 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8335 Use add_referenced_var.
8336 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8337 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8338 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8340 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8341 vect_create_data_ref_ptr, vect_create_destination_var,
8342 vect_init_vector, vect_build_loop_niters,
8343 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8344 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8345 Use add_referenced_var.
8346 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8347 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8348 (add_referenced_var): Add prototype.
8349 * tree-ssa-structalias.c (get_constraint_for,
8350 intra_create_variable_infos): Use add_referenced_var.
8352 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8354 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8355 big-endian paradoxical subregs.
8356 * var-tracking.c (struct micro_operation_def): Document that,
8357 for modify micro operations, insn is the subsequent instruction.
8358 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8359 (var_reg_set, var_mem_set): ... new functions.
8360 (add_stores): Record subsequent insn.
8361 (compute_bb_dataflow): Use new functions for MO_USE.
8362 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8363 notes after the insn, and modify notes before the insn known
8364 to be the subsequent one.
8365 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8367 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8370 * config/i386/i386.c (ix86_expand_builtin): Use
8371 gen_sse3_monitor64 for TARGET_64BIT.
8373 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8375 PR rtl-optimization/26375
8376 PR rtl-optimization/26855
8377 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8379 (df_ru_bb_local_compute): Reversed statements and removed bogus
8380 comment explaining why they should be in wrong order.
8381 (df_ru_dump, df_rd_dump): Enhanced debug info.
8382 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8384 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8385 reaching uses and fixed space problem.
8387 2006-05-23 Jan Hubicka <jh@suse.cz>
8389 * cgraphunit.c (decide_is_function_needed): Also nested functions
8390 and functions declared inline can be optimized out at -O0.
8392 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8394 * doc/install.texi (Configuration): Remove reference to CrossGCC
8398 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8401 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8402 ix86_compare_emitted is non-NULL.
8404 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8407 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8410 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8412 PR rtl-optimization/25514
8413 * combine.c (replaced_rhs_insn): New variable.
8414 (combine_instructions): Set replaced_rhs_insn when trying to replace
8415 a SET_SRC with a REG_EQUAL note.
8416 (distribute_notes): Use replaced_rhs_insn when determining the live
8417 range of a REG_DEAD register.
8419 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8420 Anatoly Sokolov <aesok@post.ru>
8422 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8423 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8424 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8425 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8426 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8427 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8428 at90usb647, at90usb1286 and at90usb1287 devices.
8429 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8430 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8432 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8434 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8436 2006-05-22 Richard Guenther <rguenther@suse.de>
8439 2006-01-31 Richard Guenther <rguenther@suse.de>
8440 Paolo Bonzini <bonzini@gnu.org>
8442 * doc/install.texi (--disable-libgcc-math): Document.
8444 2006-05-22 Richard Guenther <rguenther@suse.de>
8447 2006-01-31 Richard Guenther <rguenther@suse.de>
8449 * doc/invoke.texi (-msselibm): Document.
8450 * target.h (expand_library_builtin): New target hook.
8451 * builtins.c (expand_builtin): Use expand_library_builtin.
8452 (default_expand_library_builtin): New function.
8453 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8454 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8455 (link_gcc_math_spec): Declare.
8456 (static_specs): Add link_gcc_math_spec.
8457 * expr.h (default_expand_library_builtin): Declare.
8458 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8459 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8460 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8461 * config/i386/i386.opt (msselibm): New target option.
8462 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8463 (ix86_init_sse_abi_builtins): New function.
8464 (ix86_expand_library_builtin): Likewise.
8465 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8466 (override_options): Handle error conditions wrt -msselibm.
8467 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8468 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8469 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8472 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8475 * c-common.c (self_promoting_args_p): Skip erroneous args.
8478 * c-decl.c (finish_struct): Skip erroneous fields.
8480 2006-05-22 Nick Clifton <nickc@redhat.com>
8482 * config/cris/cris.opt (march): Remove VarExists attribute.
8483 (max-stackframe=): Likewise.
8485 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8487 * doc/rtl.texi: Fix a typo.
8488 * see.c: Fix comment typos.
8490 * tree-ssa-structalias.h (alias_info): Remove num_references.
8492 2006-05-21 Mike Stump <mrs@apple.com>
8494 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8496 (darwin_pragma_options): Use BAD instead.
8497 (darwin_pragma_unused): Likewise.
8498 (darwin_pragma_ms_struct): Likewise.
8500 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8502 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8504 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8506 PR rtl-optimization/27671
8507 * simplify-rtx.c (simplify_relational_operation_1): Fix
8508 simplifications of (eq/ne (xor x y) y) and
8509 (eq/ne (xor x y) x).
8511 PR tree-optimization/26622.
8512 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8515 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8517 * tree-cfg.c: Prune whitespace.
8518 (debug_tree_cfg): Point to correct header containing the
8521 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8524 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8526 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8529 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8530 or sorry count is non zero.
8532 2006-05-20 Andreas Schwab <schwab@suse.de>
8534 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8536 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8537 Kenneth Zadeck <zadeck@naturalbridge.com>
8539 PR rtl-optimization/26855
8541 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8543 (df_scan_alloc): Added code to properly handle multiword hard
8544 registers and add all_blocks parameter.
8545 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8546 code to properly handle multiword hard registers.
8547 (df_rescan_blocks): Added code to remove deleted blocks from
8549 (df_ref_create_structure, df_ref_record): Added code to properly
8551 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8552 and set DF_REF_PARTIAL.
8553 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8554 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8555 (df_scan_add_problem): Added flags parameter.
8556 (df_ref_create_structure): Changed switching structure.
8557 (df_bb_refs_record): Fixed case where duplicate artificial refs
8558 were created. Changed location of flags.
8559 (df_record_entry_block_defs): Added code to make stack pointer
8560 live in entry block. Refined cases where frame pointer is needed.
8561 Changed location of flags.
8562 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8563 (df_set_state): Removed function.
8564 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8565 df_insn_create_insn_record, df_insn_refs_delete,
8566 df_ref_create_structure): Formatting changes.
8567 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8568 df_delete_basic_block): New function.
8569 (df_init): Changed location of flags.
8570 (df_add_problem): Added flags parameter and the way flags are
8572 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8573 debug_df_chain): Improved debugging output.
8574 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8575 (df_refs_chain_dump): Removed df parameter.
8576 (df_iterative_dataflow): Added consistency check.
8577 (df_prune_to_subcfg): Made public.
8578 (df_analyze_problem): Added blocks_to_init parameter and made
8580 (df_ref_record, df_bb_refs_record, df_mark_reg,
8581 df_record_exit_block_uses): Whitespace changes.
8582 (df_dump): Whitespace changes.
8583 * df.h: Some reordering to remove forward references.
8584 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8585 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8586 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8587 (dataflow.flags): New field.
8588 (df.flag): Deleted field.
8589 (df_alloc_function): Added additional bitmap parameter.
8590 (df_dependent_problem_function): New type.
8591 (df_problem.changeable_flags): New field.
8592 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8593 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8594 (df_mw_hardreg): New struct.
8595 (DF_INSN_UID_MWS): New macro.
8596 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8598 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8599 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8600 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8601 (df_set_state): Removed function.
8602 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8603 * df-problems.c (df_chain_dump): Removed df parameter.
8604 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8605 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8607 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8608 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8609 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8610 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8611 DF_REF_MUST_CLOBBER cases.
8612 (df_ru_bb_local_compute_process_def,
8613 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8614 df_lr_bb_local_compute, df_ur_bb_local_compute,
8615 df_chain_create_bb): Made subreg aware.
8616 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8617 df_lr_bb_local_compute, df_lr_bb_local_compute,
8618 df_chain_create_bb): Cleanup to use proper macros.
8619 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8620 code to fixup bitvectors.
8621 (df_ri_alloc): Cleared lifetime.
8622 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8623 df_create_unused_note): New function.
8624 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8625 REG_DEAD and REG_UNUSED notes as well as register information.
8626 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8627 df_chains_dump): Fixed crash if problem was never run.
8628 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8629 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8630 df_ri_add_problem): Processes flags in uniform manner.
8631 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8632 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8633 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8634 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8635 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8636 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8637 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8638 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8639 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8640 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8641 * see.c (see_initialize_data): Ditto.
8642 * final.c (rest_of_clean_state) Added regstack_completed.
8643 * rtl.h (regstack_completed): Ditto.
8644 * reg-stack.c (regstack_completed): Ditto.
8646 2006-05-19 Mike Stump <mrs@apple.com>
8648 * c-tree.h (default_conversion): Remove.
8649 * c-common.h (default_conversion): Add.
8651 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8653 * tree-vrp.c (valid_value_p): New function.
8654 (adjust_range_with_scev): Fail if the value of bound is not
8657 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8659 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8660 (mips_fallback_frame_state): Use syscall numbers to determine
8661 the appropriate li instruction for the current ABI. Only use
8662 __NR_sigreturn for o32.
8664 2006-05-19 Nicolas Setton <setton@adacore.com>
8666 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8667 * langhooks.c (lhd_dwarf_name): New function.
8668 * langhooks-def.h (lhd_dwarf_name): Declare.
8669 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8670 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8672 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8674 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8676 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8677 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8678 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8679 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8680 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8681 determine the size of Wtype, etc.
8682 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8683 (swfloatfuncs): New variable.
8684 (dwfloatfuncs): Likewise.
8685 (lib2funcs): Remove floating-point conversion functions from
8686 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8687 the set of conversion routines needed. Allow entries to specify
8688 an object name, filename and word size. Update users accordingly.
8689 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8690 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8694 2006-02-08 Roger Sayle <roger@eyesopen.com>
8697 * config/fixtfdi.c: New libgcc source file.
8698 * config/fixunstfdi.c: New source file.
8699 * config/floatditf.c: New source file.
8700 * config/floatunditf.c: New souce file.
8701 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8702 files above instead of config/mips/_tilib.c.
8703 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8705 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8707 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8708 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8710 2006-05-18 Mike Stump <mrs@apple.com>
8712 Fix up vla, vm and [*] sematics.
8718 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8719 (c_vla_unspec_p): Add.
8720 (c_vla_type_p): Add.
8721 * c-decl.c (struct c_scope): Add had_vla_unspec.
8722 (build_array_declarator): Add support for [*].
8723 (grokdeclarator): Likewise.
8724 (grokparms): Likewise.
8725 (get_parm_info): Likewise.
8726 * c-objc-common.c (c_vla_unspec_p): Likewise.
8727 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8728 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8729 typeof when argument is a variably modified type not inside sizeof or alignof.
8730 (c_parser_direct_declarator_inner): Propagate errors.
8731 (c_parser_sizeof_expression): Add support for [*].
8732 (c_parser_parms_declarator): Initialize had_vla_unspec.
8733 (c_parser_parms_list_declarator): Likewise.
8734 * c-typeck.c (c_vla_type_p): Add.
8735 (composite_type): Add support for vla compositing.
8736 (comptypes_internal): Add support for vla compatibility.
8737 (c_expr_sizeof_expr): Evaluate vla arguments.
8738 * tree.c (variably_modified_type_p): Update comment for [*].
8740 2006-05-18 Michael Matz <matz@suse.de>
8743 * config.host: Make assignments to host_xmake_file cumulative.
8744 * config.host (*-darwin*): Test $host, not $target.
8746 2006-05-12 Stuart Hastings <stuart@apple.com>
8748 * config/i386/i386.opt (-mstackrealign): New flag.
8749 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8750 (ix86_handle_cconv_attribute): Emit error when
8751 force_align_arg_pointer attribute collides with too many regparms.
8752 (ix86_function_regparm): Limit regparms when used with
8753 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8754 Support stack-realigning prologue in non-main functions. Emit
8755 warning for nested functions under -mstackrealign, emit error for
8756 nested functions with force_align_arg_pointer attribute.
8757 * doc/extend.texi (force_align_arg_pointer): Document it.
8758 * doc/invoke.texi (-mstackrealign): Document it.
8760 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8762 PR rtl-optimization/27477
8763 * combine.c (try_combine): Don't split a parallel consisting
8764 of two sets into two individual sets if both sets reference
8767 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8769 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8770 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8772 * doc/options.texi (VarExists): Updated.
8774 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8776 * unwind-dw2.c: Add declarations for uw_update_context and
8778 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8779 detected, advance frame state and context once to skip over stub.
8781 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8785 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8786 Call rewrite_into_loop_closed_ssa only when something changed.
8787 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8788 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8789 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8790 Test for perfect_nest_p here. Fix formating.
8791 (replace_uses_equiv_to_x_with_y): Fix formating.
8792 (stmt_uses_op): Removed.
8793 (can_convert_to_perfect_nest): Removed loopivs parameter.
8794 Complete the test by checking the scalar dependences.
8795 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8798 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8801 From Dan Kegel <dank@kegel.com>:
8802 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8804 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8806 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8807 if the element type is variably modified without recursing.
8809 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8812 * tree-loop-linear.c (try_interchange_loops): Test for
8813 no data dependences.
8815 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8817 PR tree-optimization/27548
8818 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8819 range of ssa names that appear on abnormal edges.
8820 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8821 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8823 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8826 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8828 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8831 * tree.h (OMP_PARALLEL_COMBINED): Define.
8832 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8833 (new_omp_context): Add is_combined_parallel argument.
8834 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8835 new_omp_context caller.
8836 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8837 Adjust gimplify_scan_omp_clauses callers.
8838 (omp_is_private): Issue errors if iteration variable is firstprivate
8839 or reduction in the current context.
8840 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8841 on combined parallel workshare constructs.
8843 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8845 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8846 (gcc-options.o): New rule.
8848 * optc-gen.awk: Protect variables for gcc-options.o with
8849 #ifdef GCC_DRIVER/#endif.
8851 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8853 Fix PR tree-optimization/27373
8854 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8855 (forward_propagate_addr_expr): Update call.
8857 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8859 * doc/options.texi: Move the Negative option.
8861 2006-05-16 Richard Guenther <rguenther@suse.de>
8863 PR tree-optimization/22303
8864 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8866 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8867 ccp_fold did not simplify the statement.
8869 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8872 * Makefile.in (GCC_OBJS): New.
8873 (OBJS-common): Add opts-common.o.
8874 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
8875 (cpp$(exeext)): Likewise.
8876 (gcc.o): Also depend on opts.h.
8877 (opts-common.o): New.
8879 * common.opt (gcoff): Add Negative(gdwarf-2).
8880 (gdwarf-2): Add Negative(gstabs).
8881 (gstabs): Add Negative(gstabs+).
8882 (gstabs+): Add Negative(gvms).
8883 (gvms): Add Negative(gxcoff).
8884 (gxcoff): Add Negative(gxcoff+).
8885 (gxcoff+): Add Negative(gcoff).
8886 * config/i386/i386.opt (m32): Add Negative(m64).
8887 (m64): Add Negative(m32).
8889 * doc/options.texi: Document the Negative option.
8891 * gcc.c: Include "opts.h".
8892 (main): Call prune_options after expandargv.
8894 * optc-gen.awk: Generate common declarations for all flag
8895 variables in options.c. Output the neg_index field.
8897 * opts.c (find_opt): Moved to ...
8898 * opts-common.c: Here. New file.
8900 * opts.h (cl_option): Add a neg_index field.
8902 (prune_options): Likewise.
8904 2006-05-16 Jakub Jelinek <jakub@redhat.com>
8907 * omp-low.c (expand_omp_parallel): Don't assert
8908 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
8909 instead search for it.
8912 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
8915 2006-05-16 Andreas Schwab <schwab@suse.de>
8917 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
8920 2006-05-15 Roger Sayle <roger@eyesopen.com>
8923 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
8924 integer constants other than zero are only legitimate on TARGET_64BIT.
8925 <CONST_VECTOR> Only zero vectors are legitimate.
8926 (ix86_cannot_force_const_mem): Integral and vector constants can
8927 always be put in the constant pool.
8929 2006-05-16 DJ Delorie <dj@redhat.com>
8931 * crtstuff.c (__dso_handle): Set section from
8932 TARGET_LBIGCC_SDATA_SECTION if defined.
8933 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
8934 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
8936 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
8939 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
8942 2006-05-16 Ben Elliston <bje@au.ibm.com>
8944 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
8946 2006-05-15 Per Bothner <per@bothner.com>
8948 * tree.c: (last_annotated_node): Use source_locus typedef.
8949 This permits bootstrapping with --enable-mapped-location.
8951 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
8953 PR tree-optimization/26830
8954 * tree-into-ssa.c (struct ssa_name_info): Add age field.
8955 (info_for_ssa_name, current_info_for_ssa_name_age,
8956 blocks_to_update): New variables.
8957 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
8958 (clear_ssa_name_info, initialize_flags_in_bb,
8959 mark_block_for_update): New functions.
8960 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
8961 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
8962 prepare_def_site_for): Use mark_block_for_update.
8963 (mark_def_interesting): Assert that the processed block is marked in
8964 blocks_to_update. Do not take blocks argument.
8965 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
8967 (rewrite_update_init_block, rewrite_update_stmt): Only process
8968 blocks with statements to rewrite.
8969 (delete_update_ssa): Do not clear SSA_NAME_AUX.
8970 (update_ssa): Initialize and free blocks_to_update. Do not
8971 clear flags on statements. Do not use blocks bitmap.
8972 * tree.h (SSA_NAME_AUX): Removed.
8973 (struct tree_ssa_name): Removed aux field.
8974 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
8976 2006-05-15 Richard Guenther <rguenther@suse.de>
8978 PR tree-optimization/27603
8979 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
8980 Do computations in original type.
8982 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
8984 * see.c: Code style changes such as redundant paranthesis,
8985 redundant intialization of local variables etc.
8986 (see_main): Declared now as static.
8987 * doc/invoke.texi: Update that -fsee is not enabled by
8990 2006-05-15 Jakub Jelinek <jakub@redhat.com>
8992 * omp-low.c (check_omp_nesting_restrictions): New function.
8993 (scan_omp_1): Call it.
8996 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
8997 construct, return *VAR.
8999 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9001 PR rtl-optimization/27406
9002 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9005 2006-05-14 Roger Sayle <roger@eyesopen.com>
9007 PR rtl-optimization/27538
9008 * combine.c (expand_compound_operation): Call gen_lowpart
9009 before calling simplify_shift_const.
9011 2006-05-14 Roger Sayle <roger@eyesopen.com>
9013 PR rtl-optimization/22563
9014 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9015 a fixed width bitfield, always force the intermediates into psuedos.
9017 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9020 * mkconfig.sh: Use operator = instead of == for test.
9022 2006-05-13 Nick Clifton <nickc@redhat.com>
9024 * dwarf2out.c (dbx_reg_number): Check return value from
9025 LEAF_REG_REMAP and only use it if it is valid.
9026 (multiple_reg_loc_descriptor): Likewise.
9028 2006-05-13 Richard Guenther <rguenther@suse.de>
9030 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9033 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9035 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9036 information attached to non-INSNs such as NOTEs.
9037 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9039 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9041 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9043 * config/s390/s390.md: Adjust comment describing On constraint.
9045 2006-05-11 Jan Hubicka <jh@suse.cz>
9047 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9048 to be output at -O0.
9050 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9053 * fold-const.c (size_binop): Move sanity check for arguments to
9054 the beginning of the function.
9057 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9060 2006-05-11 Richard Guenther <rguenther@suse.de>
9063 * fold-const.c (fold_unary): Handle intermediate conversion
9064 to a pointer type like intermediate conversion to an integer
9065 type in folding of (T1)(T2)var to var.
9066 Match the code to the comment in the final conversion for
9067 (T1)(T2)var to (T1)var regarding to type precision. Rather
9068 than disallow T1 being of pointer type, assert that both T1
9069 and var are of pointer type or not. Make sure not to fall
9070 over the frontends lazyness wrt array to pointer decay though.
9072 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9074 * arm.c (arm_struct_value_rtx): Delete.
9075 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9076 (arm_init_cumulative_args): Always initialize nregs to zero.
9078 2006-05-10 Richard Guenther <rguenther@suse.de>
9080 PR tree-optimization/27532
9081 * tree-object-size.c (plus_expr_object_size): Fix typo.
9083 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9086 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9087 ashrdi_const, ashrdi3): Use a scratch register.
9089 2006-05-10 Richard Guenther <rguenther@suse.de>
9091 PR tree-optimization/27302
9092 * fold-const.c (operand_equal_p): For two comparisons,
9093 try comparison of one comparison code swapped if that yields
9096 2006-05-10 Ben Elliston <bje@au.ibm.com>
9098 * tree-pretty-print.c (pretty_print_string): No need to handle
9099 '\0' as a special character.
9101 * tree.h: Include "hashtab.h".
9102 (iterative_hash_expr): Use hashval_t in its prototype.
9103 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9105 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9108 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9109 (hppa*64*-*-hpux11*): Ditto.
9110 (hppa[12]*-*-hpux11*): Ditto.
9112 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9115 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9117 2006-05-09 Michael Matz <matz@suse.de>
9119 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9120 host_extra_gcc_objs and host_xmake_file.
9121 (<*-*-linux*>): Don't overwrite host_xmake_file.
9122 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9123 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9124 (host_detect_local_cpu): Declare.
9125 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9126 * config/i386/i386.c (override_options): Handle -mtune=native
9128 * config/i386/x-i386: New file.
9129 * config/i386/driver-i386.c: New file.
9130 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9133 2006-05-09 Dirk Mueller <dmueller@suse.de>
9134 Richard Guenther <rguenther@suse.de>
9137 * fold-const.c (fold_read_from_constant_string): Relax check
9138 for matching types to matching modes.
9140 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9142 PR rtl-optimization/27335
9143 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9146 2006-05-08 Chao-ying Fu <fu@mips.com>
9147 Richard Sandiford <richard@codesourcery.com>
9149 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9150 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9151 * config/mips/mips.md (UNSPEC_SCC): New constant.
9152 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9153 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9154 (mips_emit_compare): Use it.
9155 (mips_expand_vcondv2sf): New function.
9157 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9159 Fix PR tree-optimization/27093
9160 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9161 renaming when they become not-used_alone.
9163 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9165 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9166 relocation and relocation stubs.
9168 2006-05-08 Eric Christopher <echristo@apple.com>
9170 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9173 2006-05-08 Jan Hubicka <jh@suse.cz>
9176 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9177 unused static functions are needed.
9179 2006-05-08 Roger Sayle <roger@eyesopen.com>
9182 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9183 of a reg_equiv_constant if the result is a legitimate constant.
9185 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9188 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9189 standard 80387 constants, raise the cost to prevent
9190 compress_float_constant() to generate load from memory.
9192 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9194 * config/arm/constraints.md (c): Fix a typo.
9196 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9199 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9202 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9204 (_mm_mwait): Likewise.
9206 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9208 (sse3_monitor): Make it 32bit only.
9209 (sse3_monitor64): New. 64bit monitor.
9211 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9214 * config/i386/i386.c (classify_argument): Skip fields with invalid
9217 2006-05-07 Richard Guenther <rguenther@suse.de>
9219 PR tree-optimization/27409
9220 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9221 Do not try to find zero-sized subvars.
9223 2006-05-07 Richard Guenther <rguenther@suse.de>
9225 PR tree-optimization/27136
9226 * tree-ssa-loop-niter.c (get_val_for): Correct function
9227 comment, assert requirements.
9228 (loop_niter_by_eval): Stop processing if the iterated
9229 value did not simplify.
9231 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9233 * opts.c (flag_see): remove its setting at -O3.
9235 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9237 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9238 * arm/constraints.md: New file.
9239 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9240 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9241 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9242 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9243 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9244 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9245 * arm.md: Include constraints.md.
9246 (thumb_movsi_insn): Use satisfies_constraint_J.
9247 (movhi, movqi): Use satisfies_constraint_I.
9249 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9251 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9252 for atmeg a645 device.
9254 2006-05-06 Richard Guenther <rguenther@suse.de>
9256 PR tree-optimization/27151
9257 * tree-vect-transform.c (vectorizable_condition): Punt on
9258 values that have a different type than the condition.
9260 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9263 * c-parser.c (c_parser_cast_expression): Only insert casts into
9264 hash table if pointer.
9265 * function.c (used_types_insert_helper): Rename from
9267 (used_types_insert): Call used_types_insert_helper.
9268 * function.h (used_types_insert): Accept only one argument.
9270 2006-05-05 David Edelsohn <edesohn@gnu.org>
9272 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9273 scratch with output modifier.
9275 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9278 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9279 with output modifier.
9281 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9284 * config/mips/mips.c (mips_symbolic_address_p): Return true
9285 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9286 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9288 2006-05-04 Richard Guenther <rguenther@suse.de>
9290 PR tree-optimization/14287
9291 PR tree-optimization/14844
9292 PR tree-optimization/19792
9293 PR tree-optimization/21608
9294 PR tree-optimization/27090
9295 * tree-ssa-pre.c (try_combine_conversion): New function.
9296 (compute_avail): After constructing the value-handle
9297 expression, use try_combine_conversion to combine NOP_EXPRs
9298 with previous value-handle expressions and use the result if it
9301 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9303 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9305 2006-05-04 Jan Hubicka <jh@suse.cz>
9308 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9310 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9312 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9313 that this only matches CONST_INTs. All users changed to VOIDmode
9316 * config/bfin/bfin.c: Include "optabs.h".
9317 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9319 (enum bfin_builtins): Add a number of fractional and vector builtins.
9320 (bfin_init_builtins): Likewise.
9321 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9322 (safe_vector_operand, bfin_expand_binop_builtin,
9323 bfin_expand_unop_builtin): New functions.
9324 (bfin_expand_builtin): Handle the new builtins.
9325 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9328 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9331 * Makefile.in (OBJS-common): Add see.o.
9332 (see.o): Add dependencies.
9333 * common.opt (fsee): New flag for the see optimization was added.
9334 * opts.c (flag_see): Initialized.
9335 * passes.c (init_optimization_passes, pass_see): New pass.
9336 * rtl.h (see_main): Declaration as extern.
9337 * timevar.def (TV_SEE): New.
9338 * tree-pass.h (pass_see): Declaration as extern.
9339 * invoke.texi (-fsee): Document.
9340 * recog.c (validate_simplify_insn): New function.
9341 * recog.h (validate_simplify_insn): Declaration as extern.
9342 * df-problems.c (df_chain_dump): Check for NULL.
9344 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9345 Daniel Berlin <dberlin@dberlin.org>
9347 * cfgrtl.c (insert_insn_bb_end_new): New function.
9348 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9350 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9352 * df.h (struct web_entry): Moved from web.c.
9353 (union_defs): Declaration as extern.
9354 (unionfind_root): Likewise.
9355 (unionfind_union): Likewise.
9356 * web.c (struct web_entry): Moved to df.h.
9357 (unionfind_root): Remove static declaration.
9358 (unionfind_union): Likewise.
9359 (union_defs): Likewise and generalize to use callback function.
9360 (web_main): Update arguments for union_defs function call.
9362 2006-05-04 Richard Guenther <rguenther@suse.de>
9364 PR tree-optimization/26447
9365 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9366 produce SSA_NAME copies before the store stmt to avoid
9367 breaking exception handling.
9369 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9372 * gimplify.c (omp_is_private): If var is shared in some outer context,
9373 return false instead of true. Stop searching on parallel context
9376 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9379 * coverage.c: Use get_gcov_unsigned_t() instead of
9380 unsigned_type_node all over.
9382 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9384 PR tree-optimization/27381
9385 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9386 maintain the same immediate_use links.
9387 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9388 node rather than segfaulting.
9390 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9393 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9394 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9395 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9397 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9399 Fix PR tree-optimization/26626
9400 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9402 * tree-ssa-operands.c (access_can_touch_variable): Allow
9403 typecasting through union pointers.
9405 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9408 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9409 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9410 to find if var will be a global variable even in the nested context.
9411 (omp_copy_decl): Only check for global variable at the end, it might
9412 be overridden in outer contexts.
9413 (scan_sharing_clauses): For global variables don't create a field.
9414 (lower_rec_input_clauses): Do nothing for global shared variables.
9415 Emit a barrier at the end of ILIST if there were any decls in both
9416 firstprivate and lastprivate clauses.
9417 (lower_send_clauses): Do nothing for global variables except for
9420 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9422 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9423 of the correct signedness is returned.
9425 2006-05-02 Jeff Law <law@redhat.com>
9427 PR tree-optimization/27364
9428 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9429 multiply expressions.
9431 2006-05-02 Tom Tromey <tromey@redhat.com>
9433 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9435 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9438 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9439 -mthumb -fPIC are used.
9441 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9442 Joshua Kinard <kumba@gentoo.org>
9445 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9446 with 64-bit pointers.
9448 2006-05-02 Paul Brook <paul@codesourcery.com>
9450 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9452 (create_fix_barrier): Check that a suitable barrier location is
9454 (arm_reorg): Include ftmp->address in allowable range of addresses.
9456 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9459 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9462 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9465 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9466 around RESULT_DECL for result passed by reference.
9467 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9468 * omp-low.c (use_pointer_for_field): Don't look at
9469 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9470 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9471 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9472 time or var for passing by reference for
9473 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9474 TREE_ADDRESSABLE variables when passing by reference.
9476 * omp-low.c (dump_omp_region): Fix output formatting.
9479 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9480 (expand_omp_parallel): Likewise.
9481 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9484 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9485 on statement list containing also constructors and destructors.
9486 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9489 * except.c (duplicate_eh_regions): Fix clearing of
9490 cfun->eh->region_array entries.
9492 2006-05-01 DJ Delorie <dj@redhat.com>
9494 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9496 (gcc_cv_objdump): Likewise.
9497 * configure: Regenerated.
9499 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9502 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9503 templates for case 3 and 4.
9505 2006-05-01 DJ Delorie <dj@redhat.com>
9507 * vec.c: Include bconfig.h when appropriate.
9508 * Makefile.in (build/vec.o): Adjust dependencies.
9509 * mkconfig.sh: Make sure config.h isn't used for build machine
9512 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9514 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9516 (mark_phi_for_rewrite): New function.
9517 (insert_phi_nodes_for, mark_use_interesting): Call
9518 mark_phi_for_rewrite.
9519 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9520 (update_ssa): Initialize and free phis_to_rewrite.
9522 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9524 PR rtl-optimization/27291
9525 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9526 folded to a constant.
9528 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9530 PR tree-optimization/27283
9531 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9532 not whole # of iteration descriptions.
9533 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9534 uses abnormal ssa name.
9535 (niter_for_single_dom_exit): Ditto.
9536 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9537 return just the number of iterations.
9539 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9541 PR tree-optimization/27144
9542 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9543 (record_estimate): Only record constant upper bound.
9544 (infer_loop_bounds_from_undefined): Call
9545 compute_estimated_nb_iterations just once.
9546 (proved_non_wrapping_p): Renamed to ...
9547 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9548 (convert_step_widening, scev_probably_wraps_p): Call
9549 n_of_executions_at_most instead of proved_non_wrapping_p.
9550 (substitute_in_loop_info): Do not replace values in bounds.
9551 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9554 2006-05-01 Richard Henderson <rth@redhat.com>
9557 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9558 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9561 2006-05-01 Roger Sayle <roger@eyesopen.com>
9563 * c-typeck.c (parser_build_binary_op): Don't call the function
9564 unsigned_conversion_warning to spot operand/result type overflow.
9565 (build_binary_op): Instead, call convert_and_check instead of
9566 convert to report the problem when the operands are promoted.
9567 * c-common.c (unsigned_conversion_warning): Make static.
9568 * c-common.h (unsigned_conversion_warning): Delete prototype.
9570 2006-05-01 Richard Guenther <rguenther@suse.de>
9572 PR tree-optimization/26726
9573 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9575 (find_interesting_uses_address): ... we work around here
9576 by folding INDIRECT_REFs in the substituted base.
9578 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9580 * omp-low.c (dump_omp_region): Add newlines.
9582 2006-04-30 Roger Sayle <roger@eyesopen.com>
9584 * common.opt (Woverflow): New command line option.
9585 * c-common.c (constant_expression_warning): Check warn_overflow.
9586 (overflow_waring): Pass OPT_Woverflow to warning.
9587 (unsigned_conversion_warning): Likewise.
9588 (convert_and_check): Likewise.
9589 * doc/invoke.texi: Document new command line option.
9591 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9593 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9594 TARGET_NO_FP_IN_TOC for section anchors.
9595 (optimization_options): Enable section anchors for all
9596 non-"Objective" languages.
9598 2006-04-28 Eric Christopher <echristo@apple.com>
9600 * config/darwin-c.c (darwin_ms_struct): Move this
9601 (darwin_set_default_type_attributes): and this...
9602 * config/darwin.c: ... here.
9603 * config/darwin.h (darwin_ms_struct): Declare.
9605 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9607 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9609 2006-04-28 Roger Sayle <roger@eyesopen.com>
9612 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9613 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9614 an unsigned HOST_WIDE_INT.
9615 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9617 (really_start_incremental_init): No need to call convert because
9618 bitsize_zero_node is already of type bitsizetype.
9619 (push_init_level): Extract the value of constructor_index as an
9620 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9621 (process_init_element): Likewise.
9623 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9625 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9626 value before passing to make_relative_prefix.
9628 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9631 * builtins.c (expand_builtin_memset): Expand val in original mode.
9633 2006-04-27 Eric Christopher <echristo@apple.com>
9635 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9636 with #ifndef/#endif.
9637 * config/darwin-c.c (darwin_ms_struct): New.
9638 (darwin_pragma_ms_struct): Ditto.
9639 (darwin_set_default_type_attributes): Ditto.
9640 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9641 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9642 Register ms_struct pragma.
9643 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9644 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9645 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9646 darwin_set_default_type_attributes if TARGET_MACHO.
9648 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9650 PR tree-optimization/26854
9651 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9652 * doc/tree-ssa.texi: Update immuse iterator documentation.
9653 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9654 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9655 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9656 first_safe_imm_use, next_safe_imm_use): Remove.
9657 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9658 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9659 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9660 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9661 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9662 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9663 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9664 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9665 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9666 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9667 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9668 (perfect_nestify): Use new iterator.
9669 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9671 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9672 (next_imm_name): New field in struct immediate_use_iterator_d.
9673 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9674 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9675 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9676 * tree-cfg.c (replace_uses_by): Use new iterator.
9677 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9678 * tree-ssa-operands.c (correct_use_link): Remove.
9679 (finalize_ssa_use_ops): No longer call correct_use_link.
9681 2006-04-27 Stuart Hastings <stuart@apple.com>
9683 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9684 * config/t-darwin (crt3.o): Use it.
9685 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9686 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9687 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9688 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9689 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9692 2006-04-27 Roger Sayle <roger@eyesopen.com>
9694 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9695 size, force the intermediate into a new pseudo rather instead of
9696 performing both a bitwise AND and a bitwise IOR in memory.
9698 2006-04-27 Richard Guenther <rguenther@suse.de>
9700 PR rtl-optimization/26685
9701 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9702 this one "max-flow-memory-locations".
9704 2006-04-27 Richard Guenther <rguenther@suse.de>
9706 PR tree-optimization/25148
9707 * tree-vrp.c (compare_values): Remove code dealing with
9708 comparisons against type min/max value. Honour overflow
9709 and negative constants in code dealing with comparisons
9710 of plus and minus expressions.
9711 (value_inside_range): Use fold_binary with LE_EXPR and
9712 GE_EXPR rather than compare_values.
9714 2006-04-27 Dirk Mueller <dmueller@suse.de>
9716 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9719 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9721 * basic-block.h (safe_insert_insn_on_edge): Removed.
9722 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9724 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9725 Paolo Bonzini <bonzini@gnu.org>
9728 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9729 (simplify_and_const_int): Same.
9731 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9733 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9735 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9738 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9739 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9740 cgraph_global_info_ready.
9743 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9746 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9747 either decl or init is error_mark_node.
9750 * tree-flow.h (struct omp_region): Add sched_kind.
9751 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9752 instead of extracting omp for data.
9753 (expand_omp_for): Save extracted sched_kind.
9755 2006-04-25 Roger Sayle <roger@eyesopen.com>
9757 * expmed.c (store_bit_field): Also check whether the bitsize is
9758 valid for the machine's "insv" instruction before moving the
9759 target into a pseudo for use with the insv.
9760 * config/i386/predicates.md (const8_operand): New predicate.
9761 * config/i386/i386.md (extv, extzv, insv): Use the new
9762 const8_operand predicate where appropriate.
9764 2006-04-25 DJ Delorie <dj@redhat.com>
9766 * doc/install.texi (Specific): Clarify that this is not a list of
9767 supported hosts or targets.
9769 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9771 PR rtl-optimization/26725
9772 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9773 block's BB_DIRTY flag.
9775 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9777 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9780 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9781 to print an integer.
9783 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9785 * varasm.c (align_variable): New function.
9786 (get_block_for_decl): Apply align_variable to DECL before
9787 calculating section information.
9788 (assemble_variable): Split out alignment computation.
9790 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9792 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9795 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9797 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9798 MODE_PARTIAL_INT mode.
9799 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9800 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9802 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9803 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9805 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9807 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9809 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9810 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9811 MACFLAG_IH): Likewise.
9812 (movstricthi_1): Renamed from "*movstricthi".
9813 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9814 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9815 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9816 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9817 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9818 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9819 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9820 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9821 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9822 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9823 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9824 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9825 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9826 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9827 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9829 * doc/rtl.texi (ss_ashift): Improve wording.
9831 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9833 * dwarf2out.c (verify_marks_clear): New.
9834 (prune_unused_types): Call verify_marks_clear initially, not
9837 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9839 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9840 * doc/rtl.texi: Document them.
9841 * simplify-rtx.c (simplify_unary_operation,
9842 simplify_binary_operation_1): Don't abort when we see them.
9844 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9847 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9848 * configure.ac: Completely disregard languages that are not
9850 * configure: Regenerated.
9852 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9853 Richard Guenther <rguenther@suse.de>
9855 PR tree-optimization/27236
9856 * tree-inline.c (copy_body_r): Make sure to copy
9857 TREE_THIS_VOLATILE flag.
9859 2006-04-24 Richard Guenther <rguenther@suse.de>
9862 * tree-complex.c (update_parameter_components): Don't handle
9863 unused parameters which have no default def.
9865 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9866 Richard Guenther <rguenther@suse.de>
9868 PR tree-optimization/27218
9869 * tree-inline.c (expand_call_inline): Strip useless type
9870 conversions for the return slot address.
9872 2006-04-24 Richard Guenther <rguenther@suse.de>
9874 * cfgloop.h (struct loops): Remove unused field array. Reorder
9876 (LOOP_PREFETCH): Remove.
9878 2006-04-24 Richard Guenther <rguenther@suse.de>
9880 PR tree-optimization/22525
9881 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
9882 variable, adjust types of generated expressions.
9884 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
9886 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
9887 (tree-vect-patterns.o): Likewise.
9889 (cselib.o): Likewise.
9890 (loop-doloop.o): Likewise.
9891 (regclass.o): Likewise.
9892 (reload1.o): Likewise.
9893 (explow.o): Replace target.h with $(TARGET_H).
9894 (ipa-prop.o): Likewise.
9895 (ipa-cp.o): Likewise.
9896 (ipa-inline.o): Likewise.
9897 (reorg.o): Likewise.
9898 (reg-stack.o): Likewise.
9900 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9902 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
9904 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9906 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
9908 * configure.ac: Completely disregard languages that are not
9910 * configure: Regenerated.
9913 * c-common.h (c_build_bitfield_integer_type): Declare.
9914 * c-decl.c (c_build_bitfield_integer_type): Move to ...
9915 * c-common.c (c_build_bitfield_integer_type): ... here.
9917 2006-04-23 Roger Sayle <roger@eyesopen.com>
9920 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
9921 a SImode SUBREG of a floating point register after no_new_pseudos.
9923 2006-04-23 Roger Sayle <roger@eyesopen.com>
9925 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
9926 identify potentially eliminable registers to additionally catch
9927 VIRTUAL_INCOMING_ARGS_REGNUM.
9928 (addsi3): Update the conditions on when to use addsi_small_int.
9930 2006-04-23 Roger Sayle <roger@eyesopen.com>
9933 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
9934 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
9935 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
9937 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
9939 * fold-const.c (range_predecessor): Use operand_equal_p
9940 as the predicate for equality.
9941 (range_successor): Likewise.
9943 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9946 * config/soft-fp/op-common.h: Fix a typo.
9948 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
9951 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
9952 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
9954 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
9956 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
9958 * doc/tm.texi: Fix a typo.
9960 2006-04-21 Geoffrey Keating <geoffk@apple.com>
9962 * dwarf2out.c (struct die_struct): Document that die_sib makes
9963 a circular linked list.
9964 (FOR_EACH_CHILD): New.
9965 (reverse_die_lists): Delete.
9966 (reverse_all_dies): Delete.
9967 (add_dwarf_attr): Correct documentation.
9968 (remove_child_with_prev): New.
9969 (remove_child_TAG): Update for change to die_struct, use
9970 remove_child_with_prev.
9971 (add_child_die): Update for change to die_struct.
9972 (splice_child_die): Use remove_child_with_prev and add_child_die.
9973 (print_die): Use FOR_EACH_CHILD.
9974 (die_checksum): Likewise.
9975 (assign_symbol_names): Likewise.
9976 (output_location_lists): Likewise.
9977 (build_abbrev_table): Likewise.
9978 (calc_die_sizes): Likewise.
9979 (mark_dies): Likewise.
9980 (unmark_dies): Likewise.
9981 (unmark_all_dies): Likewise.
9982 (output_die): Likewise.
9983 (prune_unused_types_mark): Likewise.
9984 (prune_unused_types_walk): Likewise.
9985 (same_die_p): Update for change to die_struct.
9986 (break_out_includes): Likewise.
9987 (prune_unused_types_prune): Likewise.
9988 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
9989 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
9991 (dwarf2out_finish): Don't call reverse_all_dies.
9993 2006-04-21 Eric Christopher <echristo@apple.com>
9995 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
9996 in comments and function names.
9998 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10001 * c-typeck.c (digest_init): Robustify.
10003 * c-typeck.c (pop_init_level): Simplify.
10005 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10007 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10009 2006-04-21 Paul Brook <paul@codesourcery.com>
10011 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10012 hardware floating point.
10014 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10016 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10019 2006-04-21 Nick Clifton <nickc@redhat.com>
10021 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10024 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10027 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10028 C++ lang type in traceback table for Objective-C++.
10030 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10032 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10034 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10036 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10039 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10040 were errors. Remove check for erroneous objects.
10042 2006-04-20 Jeff Law <law@redhat.com>
10044 PR tree-optimization/26854
10045 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10046 checking for zero or one use.
10047 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10048 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10049 * tree-ssa-reassoc.c (negate_value): Similarly.
10050 (reassociate_bb): Similarly.
10052 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10054 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10055 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10056 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10058 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10060 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10061 fp regs if the last fp arg doesn't fit in regs.
10063 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10066 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10067 that the last insn has the REG_INC note.
10069 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10070 Nathan Sidwell <nathan@codesourcery.com>
10073 * stor-layout.c (update_alignment_for_field): Do not align
10075 (place_union_field): Place union field at the start of the union.
10076 (place_field): Move ERROR_MARK check later, and use the current
10077 allocation position to maintain monotonicity.
10079 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10081 * dominance.c: Include timevar.h.
10082 (calculate_dominance_info): Use TV_DOMINANCE.
10083 * timevar.def (TV_DOMINANCE): New timevar.
10084 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10086 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10088 PR rtl-optimization/14261
10089 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10090 move would be an INSV insn.
10091 (noce_process_if_block): Don't optimize if the destination is a
10092 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10094 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10096 * config/s390/s390.md: Add comments with the instructions emitted
10097 by an insn pattern if macros are used.
10099 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10101 PR rtl-optimization/26026
10102 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10103 is a known power of two shifted left a variable amount.
10105 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10107 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10108 to hash table twice when the debug_str section has SECTION_MERGE.
10110 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10112 * config/soft-fp: New directory. From glibc.
10113 * config/soft-fp/t-softfp: New.
10114 * config/soft-fp/README: New.
10115 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10116 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10117 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10118 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10119 * config.gcc: Use rs6000/t-fprules-fpbit or
10120 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10122 * config/rs6000/sfp-machine.h: New. Based on glibc.
10123 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10125 * config/rs6000/t-fprules: Remove fp-bit rules.
10126 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10127 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10128 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10129 (softfp_wrap_start, softfp_wrap_end): New.
10131 2006-04-18 DJ Delorie <dj@redhat.com>
10133 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10135 2006-04-18 Devang Patel <dpatel@apple.com>
10137 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10139 2006-04-18 Nick Clifton <nickc@redhat.com>
10141 * config/sh/t-symbian: Add rule to build sh-c.o
10142 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10143 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10144 (sh_symbian_encode_section_info): Likewise.
10146 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10148 * builtins.c (expand_builtin_strcmp): Cover label definition of
10149 do_libcall with HAVE_cmpstrnsi.
10151 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10153 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10155 * function.h (temp_slot_p): New.
10156 (function): Change the type of x_used_temp_slots to
10157 VEC(temp_slot_p,gc) *.
10159 2006-04-18 Nick Clifton <nickc@redhat.com>
10161 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10162 flag_strength_reduce.
10164 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10166 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10170 Partial revert of revision 112637
10171 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10172 Dale Johannesen <dalej@apple.com>
10175 * regclass.c (struct reg_pref): Update documentation.
10176 (regclass): Set prefclass to NO_REGS if memory is the best option.
10177 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10179 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10181 PR tree-optimization/26821
10182 * tree-ssa-math-opts.c (get_constant_one): New.
10183 (insert_reciprocals): Use it.
10185 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10187 * dwarf2out.c (free_AT): Delete.
10188 (remove_AT): Update string ref counts.
10189 (remove_child_TAG): Don't call free_die.
10190 (free_die): Delete.
10191 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10192 or DW_TAG_GNU_EINCL.
10193 (prune_unused_types_walk_attribs): Reset string refcounts.
10194 (prune_unused_types_update_strings): New.
10195 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10196 call free_die. Do call prune_unused_types_update_strings.
10197 (prune_unused_types): Empty debug_str_hash.
10199 2006-04-17 Roger Sayle <roger@eyesopen.com>
10201 * expr.c (expand_assignment): Optimize away no-op moves where the
10202 source and destination are equal and have no side-effects.
10204 2006-04-17 Richard Guenther <rguenther@suse.de>
10207 * reload.c (push_reload): Guard calls to get_secondary_mem
10208 for memory subregs.
10210 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10212 * alias.c (reg_base_value, old_reg_base_value): Change the
10213 type to VEC(rtx,gc) *.
10214 (REG_BASE_VALUE, find_base_value, record_set,
10215 init_alias_analysis): Use VEC instead of VARRAY.
10217 * alias.c (alias_sets): Change the type to
10218 VEC(alias_set_entry,gc) *.
10219 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10220 VEC instead of VARRAY.
10221 (last_alias_set): Remove.
10223 * cgraph.h (cgraph_edge_p): New.
10224 Update the prototype of cgraph_function_versioning.
10225 * cgraphunit.c (cgraph_copy_node_for_versioning,
10226 cgraph_function_versioning): Use VEC instead of VARRAY.
10227 * ipa-cp.c (ipcp_insert_stage): Likewise.
10229 2006-04-16 Roger Sayle <roger@eyesopen.com>
10232 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10233 "A op B" or "A op C", we may need to convert A to the type of B and C.
10235 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10237 * target.h (struct gcc_target): Add mode_rep_extended.
10238 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10239 (init_num_sign_bit_copies_in_rep): Initialize it using
10241 (truncate_to_mode): Use it.
10242 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10243 * targhooks.h (default_mode_rep_extended): Declare it.
10244 * targhooks.c (default_mode_rep_extended): Define it.
10245 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10246 default_mode_rep_extended.
10247 (TARGET_INITIALIZER): Include it.
10248 * doc/tm.texi (Misc): Document it.
10249 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10250 (mips_truncated_to_mode): New function.
10252 2006-04-16 Roger Sayle <roger@eyesopen.com>
10254 PR middle-end/25474
10255 * expr.c (compress_float_constant): Copy the narrow constant into
10256 a new pseudo before extending it to its final width.
10258 2006-04-16 Roger Sayle <roger@eyesopen.com>
10259 Andrew Pinski <pinskia@gcc.gnu.org>
10260 Dale Johannesen <dalej@apple.com>
10263 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10264 special case code to implement V8HImode and V16QImode with SSE2.
10266 2006-04-15 Roger Sayle <roger@eyesopen.com>
10268 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10269 trees are constructed with a suitable tree type.
10271 2006-04-15 Roger Sayle <roger@eyesopen.com>
10273 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10274 (integer_onep): Likewise.
10275 (integer_all_onesp): Likewise.
10276 (integer_pow2p): Likewise.
10277 (integer_nonzerop): Likewise.
10278 (real_zerop): Likewise.
10279 (real_onep): Likewise.
10280 (real_twop): Likewise.
10281 (real_minus_onep): Likewise.
10282 (int_size_in_bytes): Likewise.
10283 (host_integerp): Likewise.
10285 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10287 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10288 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10289 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10291 * tree-ssa-structalias.h (alias_info): Remove num_references.
10293 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10295 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10296 (output_bvb patterns): Likewise.
10297 * pa.c (output_bb): Use 'bb' insn for long branch case.
10298 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10299 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10300 1. Correct length operand for alternatives 1 and 2.
10301 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10302 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10304 2006-04-14 Roger Sayle <roger@eyesopen.com>
10306 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10307 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10308 were accidentally reverted by r112959.
10310 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10312 PR middle-end/26823
10313 * except.h (eh_region_outermost): New prototype.
10314 * except.c (eh_region_outermost): New function.
10315 * tree-cfg.c (find_outermost_region_in_block): Use it.
10317 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10319 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10321 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10322 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10323 (init_reload, reload): Use VEC instead of VARRAY.
10324 * reload.h: Update the prototype for
10325 reg_equiv_memory_loc_varray.
10327 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10328 Eric Botcazou <ebotcazou@libertysurf.fr>
10330 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10331 register save area.
10333 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10335 PR middle-end/27134
10336 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10337 to expand fallback builtin function call.
10339 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10341 PR middle-end/27095
10342 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10343 and emit libcall here in case the builtin fails.
10344 (expand_builtin_strcmp): Always emit the libcall here on failure.
10346 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10348 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10349 * flow.c (reg_n_info): Change the type to
10350 VEC(reg_info_p,heap) *.
10351 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10353 * regs.h (reg_info_p): New.
10354 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10355 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10356 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10359 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10361 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10363 * params.h (MAX_SCHED_READY_INSNS): New macro.
10364 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10365 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10366 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10367 the ready list for 1 cycle during the first scheduling pass.
10368 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10370 2006-04-13 Richard Henderson <rth@redhat.com>
10373 * gimple-low.c (lower_omp_directive): Remove dead code.
10374 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10375 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10376 * omp-low.c (struct omp_region): Move to tree-flow.h.
10377 (root_omp_region): Export.
10378 (omp_regions, lookup_omp_region): Remove.
10379 (determine_parallel_type): Update for struct omp_region changes.
10380 (dump_omp_region): Dump regions with block numbers.
10381 (new_omp_region): Take type and block instead of stmt; malloc
10383 (free_omp_region_1, free_omp_regions): New.
10384 (expand_parallel_call): Take entry_stmt as argument; update for
10385 changes to omp_region.
10386 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10387 (remove_exit_barriers): New.
10388 (expand_omp_parallel): Update for struct omp_region changes.
10389 (expand_omp_synch): Likewise.
10390 (expand_omp): Likewise.
10391 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10392 (expand_omp_for_static_chunk): Likewise.
10393 (expand_omp_for): Likewise.
10394 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10395 (expand_omp_sections): Similarly, with GOMP_sections_end.
10396 (expand_omp_single): New.
10397 (build_omp_regions_1): Update for OMP_CONTINUE.
10398 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10399 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10400 OMP_SECTIONS_SECTIONS.
10401 (lower_omp_single_simple): Don't emit barrier here.
10402 (lower_omp_single_copy): Likewise.
10403 (lower_omp_single): Fix bindings, and lower to straightline now.
10404 (lower_omp_master, lower_omp_ordered): Likewise.
10405 (lower_omp_critical): Likewise.
10406 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10407 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10408 omp edges, free it afterward.
10409 (make_omp_sections_edges): Remove.
10410 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10411 (move_stmt_r): Handle OMP_CONTINUE.
10412 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10413 statement pointers to basic blocks. Add type member.
10414 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10415 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10416 * tree-inline.c (estimate_num_insns_1): Likewise.
10417 * tree-pretty-print.c (dump_generic_node): Likewise.
10418 * tree-ssa-operands.c (get_expr_operands): Likewise.
10419 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10420 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10421 (OMP_CONTINUE): New.
10422 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10423 (OMP_SECTIONS_SECTIONS): Remove.
10424 (OMP_SECTION_LAST): New.
10425 (OMP_RETURN_NOWAIT): New.
10427 2006-04-13 Roger Sayle <roger@eyesopen.com>
10429 * fold-const.c (native_encode_vector, native_interpret_real):
10430 Correct obvious mistakes in the previous check-in.
10432 2006-04-13 Roger Sayle <roger@eyesopen.com>
10434 * fold-const.c (native_encode_expr): New function to encode
10435 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10436 or VECTOR_CST into a specified buffer.
10437 (native_encode_int): New function.
10438 (native_encode_real): New function.
10439 (native_encode_complex): New function.
10440 (native_encode_vector): New function.
10441 (native_interpret_expr): Inverse of native_encode_expr to convert
10442 a target representation into an INTEGER_CST, REAL_CST etc...
10443 (native_interpret_int): New function.
10444 (native_interpret_real): New function.
10445 (native_interpret_complex): New function.
10446 (native_interpret_vector): New function.
10447 (fold_view_convert_expr): New function to constant fold/evaluate
10448 a VIEW_CONVERT_EXPR of a suitable constant expression.
10449 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10450 Change call of build1 to fold_build1 when constructing a
10453 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10454 Ulrich Weigand <uweigand@de.ibm.com>
10457 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10460 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10463 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10464 optimize to lo_sum for DFmode if !TARGET_FPRS.
10466 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10468 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10469 delete_alias_info, compute_flow_sensitive_aliasing,
10470 group_aliases): Use VEC instead of VARRAY.
10471 * tree-ssa-structalias.c (update_alias_info): Likewise.
10472 * tree-ssa-structalias.h (alias_info): Change the type of
10473 processed_ptrs to VEC(tree,heap) *.
10475 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10478 * config/sh/lib1funcs.h: New file, broken out of:
10479 * config/sh/lib1funcs.asm.
10480 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10482 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10483 * config/sh/lib1funcs-Os-4-200.asm: New file.
10484 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10485 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10486 (EXTRA_MULTILIB_PARTS): Include it.
10487 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10488 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10489 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10490 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10493 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10495 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10496 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10497 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10499 * tree-ssa-live.h: Include vecprim.h.
10500 (tree_partition_associator_d): Change the type of
10501 first_partition to VEC(int,heap) *.
10502 (tpa_first_partition): Use VEC instead of VARRAY.
10504 * Makefile.in (GTFILES): Move functions.h after tree.h.
10505 * function.c (reset_block_changes, record_block_change,
10506 check_block_change, free_block_changes): Use VEC instead of
10508 * function.h (function): Change the type of
10509 ib_boundaries_block to VEC(tree,gc) *.
10510 * tree-inline.c (copy_cfg_body): Initialize
10511 ib_boundaries_block to NULL instead of (varray_type) 0.
10513 2006-04-12 Roger Sayle <roger@eyesopen.com>
10515 * expr.c (emit_group_store): Correct operand order in call to
10516 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10517 a SUBREG_BYTE of zero.
10519 2006-04-12 Richard Guenther <rguenther@suse.de>
10521 * profile.c (compute_branch_probabilities): Remove code
10522 encapsulated in !ir_type (), which are remanents of the
10523 removed RTL profiling code.
10524 * rtl-profile.c: Remove.
10526 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10528 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10529 magic NULL_RTX comment.
10530 (function_arg): Store entire fp arg to mem if any part should go
10532 (rs6000_arg_partial_bytes): Adjust for above change.
10534 2006-04-11 Roger Sayle <roger@eyesopen.com>
10536 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10537 if it hasn't been initialized by dwarf2out_init.
10539 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10541 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10542 symbolic constants in branch patterns.
10544 2006-04-11 Roger Sayle <roger@eyesopen.com>
10546 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10548 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10550 PR rtl-optimization/27073
10551 * gcse.c (try_replace_reg): Revert last change. Continue to search
10552 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10555 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10557 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10558 aggregate types other than record and union types.
10559 (function_arg): Likewise.
10560 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10562 (function_value): In 64-bit mode, return objects that require it
10565 2006-04-11 Roger Sayle <roger@eyesopen.com>
10567 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10569 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10571 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10573 2006-04-03 Jeff Law <law@redhat.com>
10576 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10577 alias information too.
10579 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10581 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10583 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10586 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10587 (premark_used_types_helper): New.
10588 (premark_used_types): New.
10589 (gen_subprogram_die): Call premark_used_types.
10590 (prune_unused_types_walk): Do not prune perennial dies.
10591 * function.c (used_types_insert): New.
10592 * function.h (struct function): Add used_types_hash field.
10593 (used_types_insert): Add prototype.
10594 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10595 * c-parser.c (c_parser_cast_expression): Save casted types in used
10598 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10601 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10602 rs6000_explicit_options.float_gprs.
10604 2006-04-10 Roger Sayle <roger@eyesopen.com>
10606 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10607 from ix86_expand_vector_init_low_nonzero. Take an additional
10608 one_var argument indicating which element is non-zero. Support
10609 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10610 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10611 with one_var instead of ix86_expand_vector_init_low_nonzero.
10613 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10615 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10616 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10617 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10618 build/genextract.o): Depend on vecprim.h.
10619 * cfglayout.c, df-problems.c, function.c, genextract.c,
10620 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10621 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10625 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10627 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10628 Declare VECs of this type.
10629 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10630 (remove_children): Delete.
10631 (add_dwarf_attr): Use VEC routines.
10632 (add_AT_flag): Update for changes to add_dwarf_attr.
10633 (add_AT_int): Likewise.
10634 (add_AT_unsigned): Likewise.
10635 (add_AT_long_long): Likewise.
10636 (add_AT_vec): Likewise.
10637 (add_AT_string): Likewise.
10638 (add_AT_die_ref): Likewise.
10639 (add_AT_fde_ref): Likewise.
10640 (add_AT_loc): Likewise.
10641 (add_AT_loc_list): Likewise.
10642 (add_AT_addr): Likewise.
10643 (add_AT_lbl_id): Likewise.
10644 (add_AT_lineptr): Likewise.
10645 (add_AT_macptr): Likewise.
10646 (add_AT_offset): Likewise.
10647 (add_AT_range_list): Likewise.
10648 (get_AT): Use VEC_iterate.
10649 (remove_AT): Use VEC_ordered_remove.
10650 (free_die): Fold remove_children into here; have it use VEC_iterate.
10651 (print_die): Use VEC_iterate on attrs.
10652 (reverse_die_lists): Don't reverse attr lists.
10653 (die_checksum): Use VEC_iterate on attrs.
10654 (same_die_p): Likewise.
10655 (output_location_lists): Likewise.
10656 (build_abbrev_table): Likewise.
10657 (size_of_die): Likewise.
10658 (unmark_all_dies): Likewise.
10659 (output_abbrev_section): Likewise.
10660 (output_die): Likewise.
10661 (prune_unused_types_walk_attribs): Likewise.
10663 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10665 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10667 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10670 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10672 2006-04-09 Roger Sayle <roger@eyesopen.com>
10674 * expr.c (store_constructor): Don't bother clearing target if
10675 we're about to assign a vector to it using vec_init_optab.
10677 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10679 * tree-ssa-alias.c (lhs_may_store_to): New function.
10680 (recalculate_used_alone): Handle LHS of calls.
10682 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10686 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10687 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10688 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10689 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10690 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10691 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10692 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10693 stubs. Add ".align 8" directives before all ".dword" directives.
10694 (GTHREAD_USE_WEAK): Revise comment.
10695 (TARGET_ATTRIBUTE_WEAK): Define.
10696 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10697 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10698 * stublib.c: New file.
10703 * pa.md (cbranch patterns): Revise arguments used in calls to
10704 output_cbranch, output_bb and output_bvd. Add long branch length
10706 (fbranch patterns): Handle long branches.
10707 (jump): Revise length check. Revise arguments for output_lbranch call.
10708 Add long branch length attributes.
10709 (decrement_and_branch_until_zero): Add long branch length attributes.
10710 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10711 Likewise. Revise arguments for output_parallel_addb and
10712 output_parallel_movb calls.
10713 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10714 output_parallel_movb and output_parallel_addb): Update prototypes.
10715 * pa.c (output_cbranch): Revise arguments. Correct handling of
10716 nullification in long branches.
10717 (output_lbranch): Add new argument to control extraction of delay
10719 (output_bb): Handle long branches.
10720 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10721 output_parallel_addb): Likewise.
10723 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10725 PR rtl-optimization/27073
10726 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10729 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10731 * tree.h (tree_memory_tag): Add old_used_alone.
10732 (SMT_OLD_USED_ALONE): New macro.
10733 * tree-ssa-alias.c (recalculate_used_alone): Stop
10734 marking things for renaming unnecessarily.
10736 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10738 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10739 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10740 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10741 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10742 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10743 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10744 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10745 spelling convensions.
10746 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10747 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10748 typos. Follow spelling conventions.
10750 2006-04-07 DJ Delorie <dj@redhat.com>
10752 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10753 passed on the stack.
10754 (m32c_init_cumulative_args): When a function returns a structure,
10755 always pass the pointer to that return area on the stack.
10756 (m32c_function_arg_advance): Don't increment the parameter number
10757 if we're processing the returned structure pointer.
10758 (pushm_info): Reverse order of registers.
10760 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10762 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10763 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10764 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10765 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10766 build_int_cst_type.
10767 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10768 chrec_fold_multiply): Same.
10769 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10770 force_expr_to_var_cost): Same.
10771 * tree-mudflap.c (mf_xform_derefs_1): Same.
10772 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10774 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10776 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10777 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10780 2006-04-07 Jan Hubicka <jh@suse.cz>
10782 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10784 2006-04-07 Richard Guenther <rguenther@suse.de>
10786 PR tree-optimization/26135
10787 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10788 loads for store copy-prop.
10789 (copy_prop_visit_stmt): Likewise.
10791 2006-04-05 Robert Millan <robertmh@gnu.org>
10793 * config/i386/linux.h: Add a comment to mark macros that are
10794 being overriden in config/k*bsd-gnu.h.
10795 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10797 * config/knetbsd-gnu.h: Ditto.
10799 2006-04-06 Jan Hubicka <jh@suse.cz>
10803 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10806 2006-04-06 Mike Stump <mrs@apple.com>
10808 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10809 for HAVE_nonlocal_goto to be consistent.
10810 (expand_builtin_nonlocal_goto): Likewise.
10811 (expand_builtin_strcmp): Use #ifdef instead of #if
10812 for HAVE_cmpstrnsi to be consistent.
10814 2006-04-05 DJ Delorie <dj@redhat.com>
10816 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10819 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10821 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10822 got-relative addressing for anything but SImode.
10824 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10825 even if the calling function doesn't modify them.
10827 2006-04-05 Richard Guenther <rguenther@suse.de>
10829 PR tree-optimization/26919
10830 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10831 to cgraph_estimate_size_after_inlining.
10833 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10835 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10837 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10839 PR tree-optimization/26996
10840 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10841 VECTOR_TYPE variables.
10843 2006-04-05 Richard Guenther <rguenther@suse.de>
10845 PR tree-optimization/26763
10846 * fold-const.c (fold_comparison): Move folding of
10847 PTR + CST CMP PTR + CST ...
10848 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10850 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10852 * doc/install.texi (Prerequisites): Refine some wording on
10853 bootstrapping and ksh.
10854 Move the version numbers of DejaGnu here from the testing section
10855 and fix casing of names.
10856 Fix markup and clarify wording for autogen requirements.
10857 Refer to GCJ instead of just java.
10858 Refer to SVN instead of CVS.
10859 Describe diffutils as useful instead of necessary.
10860 (Downloading the source): Refer to SVN instead of CVS.
10861 Adjust a link to our web site accordingly.
10862 (Configuration): Fix casing of Bison.
10863 (Building): Refer to SVN instead of CVS.
10864 Fix a sentence on the use of Bison and remove duplicate (and
10865 incorrect) version number of Bison requirement.
10866 Remove one redundant list of packages needed for building.
10867 (Specific): Avoid reference to CVS.
10869 2006-04-04 Eric Christopher <echristo@apple.com>
10871 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10872 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
10873 (rs6000_handle_struct_attribute): New.
10874 (rs6000_ms_bitfield_layout_p): Ditto.
10876 2006-04-04 Geoffrey Keating <geoffk@apple.com>
10878 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
10879 NULL for dso parameter to atexit_common.
10881 2006-04-04 Eric Christopher <echristo@apple.com>
10883 * config/i386/i386.c (machopic_output_stub): Output \t
10884 between instructions and operands.
10886 2006-04-04 David Edelsohn <edelsohn@gnu.org>
10888 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
10889 satisfies_constraint_[IL] to explicit tests on value.
10891 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
10893 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10894 set_nb_iterations_in_loop): Use build_int_cst instead of
10895 build_int_cst_type.
10896 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
10897 build_int_cst instead of convert.
10899 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
10901 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
10902 new value 2 for incoming.
10903 * function.c (expand_function_start): Call struct_value_rtx
10904 with incoming as 2.
10905 * config/sparc/sparc.md: Comment updated_return.
10906 * config/sparc/sparc.opt: Add -mstd-struct-return option.
10907 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
10908 struct return if sparc_std_struct_return and incoming is 2.
10909 (print_operand): Do not adjust return if
10910 sparc_std_struct_return.
10912 2006-04-04 Roger Sayle <roger@eyesopen.com>
10914 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
10915 convert in the middle-end.
10916 * expr.c (store_expr, store_constructor, get_inner_reference,
10917 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
10919 * tree.c (build_range_type): Likewise.
10921 2006-04-04 Tom Tromey <tromey@redhat.com>
10923 * doc/install.texi (Prerequisites): Mention jar.
10925 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
10927 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
10930 2006-04-04 Matthias Klose <doko@debian.org>
10932 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
10936 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
10939 2006-04-03 Geoffrey Keating <geoffk@apple.com>
10941 * doc/extend.texi (Function Attributes): Rewrite visibility
10942 attribute documentation.
10943 * doc/invoke.texi (C++ Dialect Options): Rewrite
10944 -fvisibility-inlines-hidden documentation to describe something
10945 entirely different, although in practise compatible.
10946 (Code Gen Options): Warn about system headers in -fvisibility=
10949 * doc/extend.texi (Other Builtins): Document that
10950 __builtin_nan is a compile-time constant only when its argument
10953 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
10955 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
10956 trying to remove TRUNCATE check if all bits outside the new mode
10957 are identical to the sign bit.
10959 2006-04-03 Jeff Law <law@redhat.com>
10961 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
10962 and operand scanning in some common cases.
10964 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10965 Dale Johannesen <dalej@apple.com>
10968 * regclass.c (struct reg_pref): Update documentation.
10969 (regclass): Set prefclass to NO_REGS if memory is the best option.
10970 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10971 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
10972 into account. For non-registers, equate an empty preferred
10973 reload class to a `!' in the constraint; move the if clause to
10974 do so after those that reject the insn.
10975 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
10977 (find_dummy_reload): Likewise.
10978 * doc/tm.texi (Register Classes): Document what it means
10979 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
10980 * config/i386/i386.c (ix86_preferred_reload_class): Force
10981 using SSE registers (and return NO_REGS for floating-point
10982 constants) if math is done with SSE.
10983 (ix86_preferred_output_reload_class): New.
10984 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
10985 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
10986 * config/i386/i386.md: Remove # register preferences.
10988 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
10991 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10992 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
10993 the type of nb_iter.
10994 (instantiate_parameters_1): Convert the operands before calling
10995 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
10996 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
10998 2006-04-02 Roger Sayle <roger@eyesopen.com>
11000 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11001 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11002 instead of convert.
11003 * dojump.c (do_jump): Likewise.
11004 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11005 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11006 gimplify_boolean_expr): Likewise.
11007 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11008 * varasm.c (array_size_for_constructor): Likewise.
11009 * tree-object-size.c (compute_object_offset): Likewise.
11011 2006-04-02 Roger Sayle <roger@eyesopen.com>
11013 PR middle-end/26977
11014 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11015 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11017 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11019 PR tree-optimization/26939
11020 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11022 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11024 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11025 at_stmt. Convert the type of operands before calling
11026 build_polynomial_chrec.
11027 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11028 add_to_evolution_1.
11029 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11030 (instantiate_parameters_1): Convert the type of operands before calling
11031 build_polynomial_chrec.
11032 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11033 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11034 reset_evolution_in_loop): Insert asserts to check the types of the
11036 (chrec_type): Moved...
11037 (eq_evolutions_p): Use operand_equal_p.
11038 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11039 the types of the operands.
11040 (chrec_type): ...here.
11041 * tree-data-ref.c (create_data_ref): Convert the operands before
11042 calling chrec_replace_initial_condition.
11043 (same_access_functions, analyze_subscript_affine_affine,
11044 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11045 (compute_subscript_distance, analyze_ziv_subscript,
11046 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11047 analyze_miv_subscript): Convert the operands before calling
11048 chrec_fold_minus or chrec_fold_plus.
11050 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11052 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11053 the dependence_relations vector.
11054 (compute_data_dependences_for_loop): Adjust call to
11055 compute_all_dependences.
11057 2006-04-01 Roger Sayle <roger@eyesopen.com>
11058 Richard Henderson <rth@redhat.com>
11060 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11061 gimple_boolify on the condition before calling gimplify_expr.
11063 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11065 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11066 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11067 the frame size. Update to use the new macros.
11068 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11069 * config/xtensa/ieee754-df.S: Likewise.
11071 2006-03-31 Richard Henderson <rth@redhat.com>
11073 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11074 (make_edges): ... here. Control fallthru creation with a local
11075 variable. Do not play with fake edges.
11076 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11077 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11080 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11082 * dwarf2.h (DW64_CIE_ID): Define.
11083 * dwarf2out.c (DWARF_CIE_ID): Define.
11084 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11085 length header. Use DWARF_CIE_ID.
11086 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11087 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11089 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11091 * config/sh/linux-atomic.asm: New file.
11092 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11094 2006-03-31 DJ Delorie <dj@redhat.com>
11096 * config/m32c/cond.md: Set condition flags properly throughout.
11097 * config/m32c/minmax.md: Likewise.
11098 * config/m32c/prologue.md: Likewise.
11099 * config/m32c/bitops.md: Likewise.
11100 * config/m32c/muldiv.md: Likewise.
11101 * config/m32c/mov.md: Likewise.
11102 * config/m32c/addsub.md: Likewise.
11103 * config/m32c/m32c.md: Likewise.
11104 * config/m32c/jump.md: Likewise.
11105 * config/m32c/shift.md: Likewise.
11107 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11108 conditionally output the pattern for this.
11109 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11110 (m32c_compare_redundant): New.
11111 (m32c_output_compare): New.
11112 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11114 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11115 dest, not src. Allow other 4-byte modes.
11117 2006-03-30 Denis Chertykov <denisc@overta.ru>
11119 * doc/md.texi: Refer to avr/constraints.md instead of
11122 2006-03-30 Roger Sayle <roger@eyesopen.com>
11124 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11125 signed vs. unsigned comparison failures on some hosts.
11127 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11130 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11131 change to FLOAT_REGS.
11133 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11134 (rs6000_override_options): Use it.
11135 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11136 only for -mabi=spe/no-spe and -mabi=altivec.
11138 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11140 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11143 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11145 * Makefile.in: Rename docdir to gcc_docdir.
11147 2006-03-30 Roger Sayle <roger@eyesopen.com>
11150 * expr.c (emit_group_store): Optimize group stores into a pseudo
11151 register by using a paradoxical subreg to initialize the destination
11152 if the first or last member of the group specifies a "low part".
11154 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11157 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11158 * target.h (struct gcc_target.speculate_insn): Change type of the
11159 second parameter to 'int'.
11160 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11161 the second operand of the DEPS_LIST.
11162 (copy_DEPS_LIST_list): Update reference to the second operand of the
11164 * rtl.h (alloc_DEPS_LIST): Update signature.
11165 * sched-int.h (ds_t): Change typedef to 'int'.
11166 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11168 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11170 * haifa-sched.c (try_ready): Change condition to restore
11171 non-speculative pattern of the instruction.
11172 (process_insn_depend_be_in_spec): Code to keep probability of the
11173 speculative dependence non-decreasing.
11175 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11177 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11178 (single_move_for_movmem): ... this. Also change all uses.
11179 (bfin_expand_strmov): Renamed to...
11180 (bfin_expand_movmem): ... this. Also change all uses.
11181 * config/bfin/bfin.md (movstrsi): Renamed to...
11182 (movstrsi): ...this.
11184 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11186 PR tree-optimization/26830
11188 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11189 (copy_prop_visit_stmt): Remove write-only variable ann.
11190 (init_copy_prop): Check variable loop depth here. Do not simulate
11191 memory-tag and virtual operand PHIs except for store copy prop.
11193 2006-03-30 Richard Guenther <rguenther@suse.de>
11195 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11196 variants with double arguments.
11198 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11200 * genpreds.c (write_tm_constrs_h): Delete variable p.
11201 * genconditions.c (write_header): Add tm-constrs.h to included
11203 * genpeep.c (main): Add toplev.h to included headers.
11204 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11205 (build/genpeep.o): Add toplev.h dependency.
11206 * config/rs6000/constraints.md: Add "W" constraint.
11208 2006-03-29 Roger Sayle <roger@eyesopen.com>
11210 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11211 sizes by correctly testing whether the size fits a host integer.
11212 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11213 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11214 SImode range for the default sizetype and bitsizetype.
11216 2006-03-29 Roger Sayle <roger@eyesopen.com>
11218 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11219 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11220 quickly if the argument is already of the correct type.
11221 Call fold_build1 instead of build1. Tidy up blank lines.
11223 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11225 * genemit.c (main): Add tm-constrs.h to included headers.
11226 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11227 * genpeep.c (main): Add tm-constrs.h to included headers.
11228 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11229 (write_tm_constrs_h): this and write complete file.
11230 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11231 (write_insn_preds_c): Add tm-constrs.h to included headers.
11232 (gen_constrs): New variable.
11233 (parse_option): Parse "-c".
11234 (main): Invoke write_tm_constrs_h.
11235 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11236 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11237 (object_out_file): Add tm-constrs.h dependency.
11238 (insn-emit.o): Same.
11239 (insn-output.o): Same.
11240 (insn-peep.o): Same.
11241 (insn-preds.o): Same.
11242 (insn-recog.o): Same.
11243 (tm-constsr.h): New target.
11244 (s-constrs-h): New target.
11246 * config/rs6000/constraints.md: New file.
11247 * config/rs6000/rs6000.c: Include tm-constrs.h.
11248 (num_insn_constant_wide): Convert to satisfies_constraint.
11249 (rs6000_rtx_costs): Convert to satisfies_constraint.
11250 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11251 (CONST_OK_FOR_LETTER_P): Delete.
11252 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11253 (EXTRA_CONSTRAINT): Delete.
11254 (EXTRA_MEMORY_CONSTRAINT): Delete.
11255 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11256 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11257 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11258 satisfies_constraint.
11260 * config/i386/i386.c: Include tm-constrs.h.
11262 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11264 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11265 * tree-data-ref.c (find_data_references_in_loop,
11266 compute_data_dependences_for_loop): Use pointers to VEC.
11267 (analyze_all_data_dependences): Adjust calls.
11268 * tree-data-ref.h (find_data_references_in_loop,
11269 compute_data_dependences_for_loop): Adjust declarations.
11270 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11271 compute_data_dependences_for_loop.
11273 2006-03-29 Paul Brook <paul@codesourcery.com>
11275 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11276 (movdf_vfp): Ditto.
11278 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11280 PR tree-optimization/26859
11281 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11283 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11284 for the step after fold_convert.
11286 2006-03-29 Paul Brook <paul@codesourcery.com>
11288 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11289 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11291 2006-03-29 Paul Brook <paul@codesourcery.com>
11293 PR middle-end/23623
11294 * targhooks.c (default_narrow_bitfield): New fuction.
11295 * targhooks.h (default_narrow_bitfield): add prototype.
11296 * target.h (gcc_target): Add narrow_volatile_bitfield.
11297 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11298 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11299 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11300 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11302 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11304 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11306 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11307 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11308 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11309 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11310 (s390_function_arg_float): Allow SDmode and DDmode values to be
11311 passed in floating point registers.
11312 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11313 check with SCALAR_FLOAT_MODE_P.
11314 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11316 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11318 PR tree-optimization/25985
11319 * tree-ssa-loop-niter.c (number_of_iterations_le,
11320 number_of_iterations_ne): Make comments more precise.
11321 (number_of_iterations_cond): Add only_exit argument. Use the
11322 fact that signed variables do not overflow only when only_exit
11324 (loop_only_exit_p): New.
11325 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11326 number_of_iterations_cond.
11328 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11330 PR tree-optimization/26643
11331 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11334 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11336 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11337 (divsi3_i4_int): Likewise.
11339 2006-03-28 Roger Sayle <roger@eyesopen.com>
11341 * expr.c (emit_group_store): Only create a new pseudo reg if the
11342 quantity it needs to hold isn't already a suitable pseudo.
11344 2006-03-28 Jeff Law <law@redhat.com>
11346 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11347 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11349 2006-03-28 Roger Sayle <roger@eyesopen.com>
11351 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11352 the equivalent ~X & Y, and the symmetry related transformations.
11353 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11354 ~X & Y, and symmetry related transforms.
11356 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11358 Revert my 2006-03-27 patches.
11360 2006-03-28 Roger Sayle <roger@eyesopen.com>
11362 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11363 ~(T1)X, when T1 and T2 are integer types of the same precision
11364 and (T2)X isn't an extension.
11366 2006-03-28 Jeff Law <law@redhat.com>
11368 PR tree-optimization/26796
11369 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11370 need EH edge cleanups rather than purging them immediately.
11371 (eliminate_degenerate_phis): Handle queued EH cleanups.
11373 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11375 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11378 2006-03-27 Roger Sayle <roger@eyesopen.com>
11380 PR middle-end/22524
11381 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11382 cast BIT_NOT_EXPR operand to the correct type.
11384 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11386 * tree-loop-linear.c: Don't include varray.h.
11387 (gather_interchange_stats, try_interchange_loops,
11388 linear_transform_loops): Use VEC instead of VARRAY.
11389 * lambda-mat.c: Don't include varray.h.
11390 * tree-chrec.c: Same.
11391 * lambda-trans.c: Same.
11392 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11393 VEC instead of VARRAY.
11394 * tree-vectorizer.h: Idem.
11395 * tree-data-ref.c (dump_data_references,
11396 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11397 initialize_data_dependence_relation, finalize_ddr_dependent,
11398 compute_all_dependences, find_data_references_in_loop,
11399 compute_data_dependences_for_loop, analyze_all_data_dependences,
11400 free_dependence_relation, free_dependence_relations,
11401 free_data_refs): Idem.
11402 * tree-data-ref.h (data_reference_p, subscript_p): New.
11403 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11404 VEC instead of VARRAY.
11405 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11406 (find_data_references_in_loop, compute_data_dependences_for_loop,
11407 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11408 dump_data_dependence_relations, free_dependence_relations,
11409 free_data_refs): Adjust declaration.
11410 (lambda_transform_legal_p): Move declaration here...
11411 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11412 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11413 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11414 vect_analyze_data_refs): Use VEC instead of VARRAY.
11415 * lambda.h (lambda_transform_legal_p): ...from here.
11416 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11417 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11418 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11419 tree-chrec.o): Don't depend on VARRAY_H.
11421 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11423 * rtl.def (Copyright): Update date.
11424 (DEPS_LIST): Change type of the second operand to 'int'.
11425 * target.h (Copyright): Update date.
11426 (struct gcc_target.speculate_insn): Change type of the second parameter
11428 * lists.c (Copyright): Update date.
11429 (alloc_DEPS_LIST): Change signature. Update reference to the second
11430 operand of the DEPS_LIST.
11431 (copy_DEPS_LIST_list): Update reference to the second operand of the
11433 * rtl.h (Copyright): Update date.
11434 (alloc_DEPS_LIST): Update signature.
11435 * sched-int.h (Copyright): Update date.
11436 (ds_t): Change typedef to 'int'.
11437 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11439 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11441 * haifa-sched.c (Copyright): Update date.
11442 (try_ready): Change condition to restore non-speculative pattern
11443 of the instruction.
11444 (process_insn_depend_be_in_spec): Code to keep probability of the
11445 speculative dependence non-decreasing.
11447 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11449 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11450 shut up the compiler.
11452 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11454 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11455 to use lib prefix for target.
11456 ($(T)libic_invalidate_array_4-200.a): Likewise.
11457 ($(T)libic_invalidate_array_4a.a): Likewise.
11459 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11460 J"orn Rennecke <joern.rennecke@st.com>
11462 * superh.opt: New file.
11463 * sh.c (boardtype, osruntime): Remove.
11464 * superh.h (SUBTARGET_OPTIONS): Remove.
11465 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11467 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11468 arguments with ^ and/or [].
11470 * config.gcc (sh-*-*): Add quoting to account for quirk of
11472 Replace == with = in enable_incomplete_targets test.
11474 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11475 with MASK_LITTLE_ENDIAN.
11477 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11478 * config/sh/sh.opt: Added to some comments.
11479 * config/sh/superh.h: Removed some chaff.
11481 * config/sh/sh.opt: Add m4-[1234]00* options.
11482 * config/sh/sh.c (sh_handle_option): Likewise.
11483 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11484 (ic_invalidate_array_4-100.o): New rule.
11485 ($(T)libic_invalidate_array_4-100.a): Likewise.
11486 (ic_invalidate_array_4-200.o): Likewise.
11487 ($(T)libic_invalidate_array_4-200.a): Likewise.
11488 (ic_invalidate_array_4a.o): Likewise.
11489 ($(T)libic_invalidate_array_4a.a): Likewise.
11490 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11491 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11493 * config/sh/crt1.asm: Merged in profiling code.
11494 * config/sh/superh.h (STARTFILE_SPEC): Override.
11495 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11496 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11497 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11499 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11500 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11501 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11503 * sh.opt (mpretend-cmove): New option.
11504 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11505 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11506 (movsicc): Add TARGET_PRETEND_CMOVE code.
11508 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11510 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11511 s390_class_max_nregs): New function prototypes.
11512 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11513 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11514 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11515 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11517 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11519 * dwarf2out.c (add_location_or_const_value_attribute): Call
11520 tree_add_const_value_attribute if nothing else works.
11521 (reference_to_unused): New.
11522 (rtl_for_decl_init): Use reference_to_unused to decide whether
11523 to output an initializer.
11525 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11528 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11529 peephole removing spe frob_di_df_2.
11531 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11533 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11534 (subscript_dependence_tester_1): Declared.
11535 (print_dir_vectors, print_dist_vectors): New.
11536 (debug_data_dependence_relation): New.
11537 (dump_data_dependence_relation): Print more details.
11538 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11539 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11540 (save_dist_v, save_dir_v, add_outer_distances,
11541 build_classic_dist_vector_1): New.
11542 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11543 Don't test for lambda_vector_lexico_pos.
11544 (same_access_functions, add_multivariate_self_dist,
11545 add_other_self_distances, dir_from_dist): New.
11546 (build_classic_dir_vector): Replace implementation almost identical to
11547 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11549 (subscript_dependence_tester_1): New.
11550 (subscript_dependence_tester): Handle the lexicographically negative
11551 distance vectors by recomputing the dependence relation.
11552 (compute_affine_dependence): Remove parameter loop_nest_depth.
11553 (compute_self_dependence): Don't call compute_subscript_distance.
11554 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11555 Add a parameter for the loop_nest.
11556 (find_loop_nest_1, find_loop_nest): New.
11557 (compute_data_dependences_for_loop): Compute the loop nest, and give
11558 up if the nest is not well formed.
11559 * tree-data-ref.h (loop_p): New.
11560 (struct data_dependence_relation): Replace size_vect field with
11561 loop_nest, a vec of loops.
11562 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11563 (DDR_LOOP_NEST): New.
11564 (print_dir_vectors, print_dist_vectors,
11565 debug_data_dependence_relation): Declared.
11566 (index_in_loop_nest): New.
11567 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11568 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11571 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11573 * simplify-rtx.c (simplify_relational_operation): Call
11574 simplify_relational_operation_1 even if mode is VOIDmode.
11576 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11578 PR tree-optimization/26804
11579 * tree.h (DECL_CALL_CLOBBERED): New macro.
11580 (tree_decl_common): Add call_clobbered_flag.
11581 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11582 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11583 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11584 (mark_non_addressable): Ditto.
11585 * tree-ssa.c (verify_call_clobbered): New function.
11586 (verify_alias_info): Use it.
11587 * tree-pass.h (pass_reset_cc_flags): New prototype.
11588 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11589 (reset_cc_flags): New function.
11590 * passes.c (init_optimization_passes): Call reset_cc_flags after
11591 initializing referenced_vars.
11593 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11594 Roger Sayle <roger@eyesopen.com>
11596 PR middle-end/26717
11597 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11598 to 1.0 for non-real operands. Implement A / A optimization for
11601 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11603 * config/i386/i386.c (size_cost): Correct the comment for
11604 cost of storing fp registers.
11605 (i386_cost): Likewise.
11606 (i486_cost): Likewise.
11607 (pentium_cost): Likewise.
11608 (pentiumpro_cost): Likewise.
11609 (k6_cost): Likewise.
11610 (athlon_cost): Likewise.
11611 (k8_cost): Likewise.
11612 (pentium4_cost): Likewise.
11613 (nocona_cost): Likewise.
11614 (generic64_cost): Likewise.
11615 (generic32_cost): Likewise.
11617 2006-03-24 Denis Chertykov <denisc@overta.ru>
11619 * config/avr/avr-protos.h (extra_constraint): Delete.
11620 (extra_constraint_Q): New declaration.
11621 * config/avr/constraints.md: New file.
11622 * config/avr/avr.md: Include it.
11623 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11624 (TMP_REGNO, ZERO_REGNO): Likewise.
11625 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11626 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11627 (extra_constraint): Delete.
11628 (extra_constraint_Q): Test for memory constraint 'Q'.
11629 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11630 (REG_CLASS_FROM_LETTER): Delete.
11631 (CONST_OK_FOR_LETTER_P): Delete.
11632 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11633 (EXTRA_CONSTRAINT): Delete.
11634 (TMP_REGNO): Delete.
11635 (ZERO_REGNO): Delete.
11637 2006-03-24 Jeff Law <law@redhat.com>
11639 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11640 directly. Call mark_new_vars_to_rename slightly earlier.
11642 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11644 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11645 (is_cxx): Likewise.
11646 (gen_compile_unit_die): Use new language types for Objective-C and
11648 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11649 DW_LANG_C_plus_plus.
11652 * config/t-darwin (crt3.o): Work around bug 26840.
11653 * config/darwin-crt3.c: Rewrite.
11654 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11656 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11658 * doc/invoke.texi: Document -femit-class-debug-always
11659 * common.opt: Add -femit-class-debug-always.
11661 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11663 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11664 index and base register.
11665 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11666 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11667 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11668 REGNO_OK_FOR_INDEX_P.
11669 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11671 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11672 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11673 REG_OK_FOR_BASE_P): Definitions removed.
11675 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11677 PR middle-end/26611
11678 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11679 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11680 set yet or weren't marked as local yet.
11682 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11684 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11687 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11689 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11690 (rs6000_legitimate_small_data_p): Delete.
11691 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11692 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11693 and make static. Add forward declaration. Update uses.
11694 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11695 of offsettable_memref_p.
11696 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11697 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11699 2006-03-24 Jeff Law <law@redhat.com>
11701 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11702 around bug in immediate-use iterator.
11704 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11707 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11708 or __LITTLE_ENDIAN__.
11710 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11712 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11713 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11714 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11715 * config/sh/sh.opt (mdiv=): Amend description.
11716 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11717 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11718 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11719 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11720 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11721 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11722 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11723 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11724 TARGET_DIVIDE_CALL_FP.
11726 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11728 * haifa-sched.c (choose_ready): Fix type of the local variable.
11729 Move local variables. Add comment.
11730 (check_reg_live): Change signature. Make callable from debugger.
11731 * sched-int.h (check_reg_live): Update signature.
11732 * sched-ebb.c (check_reg_live): Update parameters.
11733 * sched-rgn.c (check_reg_live): Ditto.
11734 (region_head_or_leaf_p): Check pointer before dereferencing.
11735 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11736 before reload on optimization levels below 1.
11738 2006-03-23 Richard Henderson <rth@redhat.com>
11740 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11744 * config/alpha/predicates.md (local_symbolic_operand): Reject
11747 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11750 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11751 expressions which have overflowed constants.
11753 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11755 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11757 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11759 * cfgloopmanip.c (create_loop_notes): Removed.
11760 * final.c (final_scan_insn): Do not handle loop notes.
11761 * jump.c (squeeze_notes): Ditto.
11762 * cfglayout.c (skip_insns_after_block,
11763 duplicate_insn_chain): Ditto.
11764 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11766 * cfgloop.h (create_loop_notes): Declaration removed.
11768 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11770 * varasm.c (output_constant_pool): Restore fnname and fndecl
11772 (assemble_start_function): Adjust call accordingly.
11773 (assemble_end_function): Likewise.
11775 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11778 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11781 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11783 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11786 * system.h (ICE_EXIT_CODE): New macro.
11787 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11788 (diagnostic_action_after_output): Likewise.
11789 * gcc.c (fatal_ice): New function.
11790 (execute): Use it instead of fatal.
11791 (fancy_abort): Likewise.
11792 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11794 2006-03-22 Jeff Law <law@redhat.com>
11796 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11797 iv_analyze_result returning false.
11799 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11801 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11803 2006-03-22 Richard Henderson <rth@redhat.com>
11805 PR middle-end/26084
11806 * except.c (duplicate_eh_regions_0): New.
11807 (duplicate_eh_region_1): Duplicate the children of the node as
11808 well as the node itself. Link them up properly.
11809 (duplicate_eh_region_2): Merge into ...
11810 (duplicate_eh_regions): ... here. Take copy_region argument, and
11811 copy only a sub-tree if asked. Simplify copying and fixup.
11812 (eh_region_outer_p): New.
11813 * except.h (duplicate_eh_regions): Update decl.
11814 (eh_region_outer_p): Declare.
11815 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11816 (lower_omp_master): Likewise.
11817 (lower_omp_ordered): Likewise.
11818 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11819 (move_stmt_r): Use it to remap labels. Handle recursion vs
11820 remap_decls_p properly.
11821 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11822 (find_outermost_region_in_block): New.
11823 (new_label_mapper): New.
11824 (move_sese_region_to_fn): Copy eh information to the new function
11826 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11828 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11831 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11833 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11834 into shared libraries.
11836 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11838 * doc/md.texi: Refer to i386/constraints.md instead of
11839 i386/predicates.md.
11840 * config/i386/constraints.md: New file, extracted from...
11841 * config/i386/predicates.md: ...here.
11842 * config/i386/i386.md: Include constraints.md.
11844 2006-03-21 Jason Merrill <jason@redhat.com>
11846 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11848 PR middle-end/20297
11849 * expr.c (init_block_move_fn): Force default visibility.
11850 (init_block_clear_fn): Likewise.
11851 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11852 * targhooks.c (default_external_stack_protect_fail): Likewise.
11854 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11856 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11857 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11858 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11859 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11860 (loadgp): Use mips_current_loadgp_style.
11861 (loadgp_noshared): New pattern.
11862 (sibcall_internal): Use MIPS_CALL.
11863 (sibcall_value_internal): Likewise.
11864 (sibcall_value_multiple_internal): Likewise.
11865 (call_internal): Likewise.
11866 (call_value_internal): Likewise.
11867 (call_value_multiple_internal): Likewise.
11868 (call_split): Use MIPS_CALL and add an 'S' constraint.
11869 (call_value_split): Likewise.
11870 (call_value_multiple_split): Likewise.
11871 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11872 (-mshared): New option.
11873 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
11874 (mips_current_loadgp_style): Declare.
11875 * config/mips/mips.c (mips_classify_symbol): Avoid using
11876 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
11877 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
11878 TARGET_ABSOLUTE_ABICALLS.
11879 (override_options): Adjust comments. Improve the warning that is
11880 issued when -mabicalls and -G are used together.
11881 (mips_file_start): Remove comment.
11882 (mips_current_loadgp_style): New function.
11883 (mips_gnu_local_gp): New variable.
11884 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
11886 (mips_output_function_prologue): Use mips_current_laodgp_style.
11887 (mips_expand_prologue): Call mips_emit_loadgp before emitting
11888 the cprestore instruction.
11889 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
11890 live for TARGET_ABSOLUTE_ABICALLS.
11891 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
11892 (ASM_SPEC): Pass down -mshared and -mno-shared.
11893 (MIPS_CALL): New macro.
11894 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
11896 * doc/invoke.texi (-mabicalls): Update documentation.
11897 (-mshared): Document.
11899 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11901 * config/ia64/unwind-hpux.c: New file.
11902 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
11904 2006-03-21 Steve Ellcey <sje@cup.hp.com>
11907 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
11909 2006-03-21 Jeff Law <law@redhat.com>
11911 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
11912 type conversions of a VR_VARYING source to a wider type.
11914 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
11916 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
11917 tm_file on Solaris 10 and later.
11918 (sparc64-*-solaris2*): Likewise.
11919 (sparc-*-solaris2*): Likewise.
11920 * config/sol26.h: Rename to config/sol2-6.h.
11921 * config/sol2-10.h: New file.
11923 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
11926 * tree-ssa-pre.c (create_component_ref_by_pieces):
11929 2006-03-21 Jakub Jelinek <jakub@redhat.com>
11932 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
11933 return it immediately.
11935 2006-03-21 Michael Matz <matz@suse.de>
11937 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
11939 (remove_arc, add_arc): Update num_out_arcs member.
11940 (set_out_arc_insns_equiv_num): Returns nothing instead of number
11942 (cache_presence): New function.
11943 (compare_states_for_equiv): New function.
11944 (state_is_differed): Don't take number of outargs, adjust callers.
11945 Use new invariant for speeding up.
11946 (init_equiv_class): Create initial classes based on sorted
11948 (partition_equiv_class): Don't track out_arcs_num.
11949 (evaluate_equiv_classes): Call cache_presence on all states and
11952 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
11954 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
11955 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
11956 (bfin_valid_reg_p): Test for pseudos explicitly and use only
11957 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
11959 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
11960 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
11961 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
11962 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
11963 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
11965 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
11966 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
11967 (REGNO_REG_CLASS): ARGP is in PREGS.
11968 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
11970 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
11971 to deal with those addresses.
11972 * addresses.h: New file.
11973 * caller-save.c: Include "addresses.h".
11974 (init_caller_save): Use new base_reg_class function.
11975 * rtl-factoring.c: Include "addresses.h".
11976 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
11977 * recog.c: Include "addresses.h".
11978 (preprocess_constraints): Use new base_reg_class function.
11979 * regrename.c: Include "addresses.h".
11980 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
11981 functions. Keep track of a new var INDEX_CODE to compute valid
11983 (replace_oldest_value_addr): Likewise.
11984 (replace_oldest_value_mem): Use base_reg_class.
11985 * reload.c: Include "addresses.h".
11986 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
11987 (find_reloads): Use new base_reg_class function.
11988 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
11989 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
11990 all callers and prototype changed.
11991 * reload1.c: Include "addresses.h".
11992 (maybe_fix_stack_asms): Use base_reg_class.
11993 * regclass.c: Include "addresses.h".
11994 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
11995 (init_reg_autoinc): Use new base_reg_class function.
11996 (record_reg_classes): Likewise.
11997 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
11998 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
11999 Use new args to compute necessary class.
12001 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12002 regrename.o, rtl-factoring.o): Update dependencies.
12003 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12004 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12005 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12006 REG_OK_FOR_INDEX_P): Delete documentation.
12008 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12010 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12011 from V7 to V9 for Solaris 7 and above.
12013 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12015 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12016 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12017 argument pointers may not alias any other storage.
12018 * common.opt: Define option -fargument-noalias-anything.
12019 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12020 alias semantics is specified by flag_argument_noalias > 2.
12022 2006-03-20 Jeff Law <law@redhat.com>
12024 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12025 (pass_phi_only_cprop): Declare.
12026 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12027 with phi_only_cprop
12028 * tree-ssa-dom.c (degenerate_phi_result): New function.
12029 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12030 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12031 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12032 (eliminate_degenerate_phis): Likewise.
12033 (pass_phi_only_cprop): New pass descriptor.
12034 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12035 support code. Callers updated.
12036 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12037 (store_copy_prop): Likewise.
12038 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12040 2006-03-20 Jason Merrill <jason@redhat.com>
12043 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12044 (push_visibility, pop_visibility): Likewise.
12045 * c-pragma.h: Declare them.
12047 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12049 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12051 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12052 parameter and use get_ebb_head_tail.
12053 (sh_md_init_global): Adjust uses of find_regmode_weight.
12055 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12057 * function.h (struct function) <x_tail_recursion_reentry>:
12058 Rename to x_stack_check_probe_note.
12059 (tail_recursion_reentry): Rename to stack_check_probe_note.
12060 * function.c: Replace tail_recursion_reentry with
12061 stack_check_probe_note everywhere.
12062 (expand_function_start): Only emit a note for
12063 stack_check_probe_note with -fstack-protect.
12064 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12066 * emit-rtl.c (remove_unnecessary_notes): Remove.
12067 (pass_remove_unnecessary_notes): Remove.
12068 * rtl.h (remove_unnecessary_notes): Remove prototype.
12069 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12070 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12071 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12073 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12076 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12077 (valid_in_set): Handle ARRAY_REF.
12078 Change "if min_variant or VH" to asserts.
12079 (create_component_ref_by_pieces): Handle ARRAY_REF.
12080 (create_expression_by_pieces): Likewise.
12081 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12083 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12085 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12086 is operand of switch, not str[0].
12088 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12090 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12091 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12093 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12095 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12096 end of insn_extra_address_constraint declaration.
12098 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12100 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12101 (no-sum-in-toc): Same.
12102 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12104 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12105 NO_FP_IN_TOC for -fPIC instead of mask.
12107 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12108 (BOOT_LDFLAGS): Delete.
12110 * config/rs6000/t-aix52: Same.
12112 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12113 (stmsi[345678]_power): New.
12115 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12117 * config/ia64/ia64.opt: Add empty line to end of file.
12119 2006-03-17 Richard Guenther <rguenther@suse.de>
12121 PR middle-end/26721
12122 * builtins.c (get_pointer_alignment): For component style references
12123 adjust alignment to the component type alignment. Make sure
12124 to adjust alignment for component access of constants.
12126 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12128 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12129 unconditional jump.
12131 2006-03-17 Paul Brook <paul@codesourcery.com>
12133 * doc/install.texi: Docuemnt --with-mode.
12134 * config.gcc: Add --with-mode for arm*-*-*.
12135 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12137 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12139 * sh.c (max_labelno_before_reorg): New variable.
12140 (sh_reorg): Initialize it.
12141 (find_barrier): Check max_labelno_before_reorg before using
12142 label_to_alignment. Take length of explicit alignment insns
12143 into account. When seeing a UNSPECV_CONST_END, return it.
12145 * sh.c (fixup_mova): Set mode of affected label to QImode.
12146 (untangle_mova): New function.
12147 (find_barrier): Use it. Check mode of label before decrementing
12149 (sh_reorg): Likewise.
12150 Set mode of all insns back to VOIDmode.
12152 * sh.c (MOVA_LABELREF): New macro.
12153 (mova_p, fixup_mova, sh_reorg): Use it.
12154 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12155 ADDR_DIFF_VEC matches mova.
12157 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12159 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12160 with ATTRIBUTE_UNUSED.
12162 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12164 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12165 pointer, instead of assuming it is possible to derive the
12166 correct args size from a call insn.
12168 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12170 * rtl.h (CONST_INT_P): Define.
12171 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12172 instead of GET_CODE(x) == CONST_INT.
12173 (vax_rtx_costs): Likewise.
12174 (vax_output_int_move): Likewise.
12175 (vax_output_int_add): Likewise.
12176 (legitimate_constant_address_p): Likewise.
12177 (index_term_p): Likewise.
12178 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12179 * config/vax/vax.md (and<mode>3): Likewise.
12180 (ashrsi3): Likewise.
12182 (movstricthi): Likewise.
12183 (movstrictqi): Likewise.
12184 (rotrsi3): Likewise.
12185 (five unnamed insns): Likewise.
12187 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12189 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12190 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12191 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12192 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12193 Pass to ASM_OUTPUT_DWARF_OFFSET.
12194 * dwarf2out.c (debug_frame_section): New.
12195 (output_call_frame_info): Use debug_frame_section. Pass it to
12196 dw2_asm_output_offset.
12197 (output_die): Pass appropriate section to dw2_asm_output_offset.
12198 (output_compilation_unit_header): Likewise.
12199 (output_pubnames): Likewise.
12200 (output_aranges): Likewise.
12201 (enum dw_val_class): Break dw_val_class_lbl_offset into
12202 dw_val_class_lineptr and dw_val_class_macptr.
12203 (add_AT_lbl_offset): Delete.
12204 (add_AT_lineptr): New.
12205 (add_AT_macptr): New.
12206 (AT_lbl): Expect a lineptr or macptr.
12207 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12208 (attr_checksum): Likewise.
12209 (same_dw_val_p): Likewise.
12210 (size_of_die): Likewise.
12211 (value_format): Likewise.
12212 (output_die): Likewise.
12213 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12215 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12216 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12217 * config/darwin-protos.h (darwin_file_start): New.
12218 (darwin_asm_output_dwarf_offset): New.
12219 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12220 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12222 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12223 if not EH section; simplify.
12224 (darwin_file_start): New.
12225 (darwin_asm_output_dwarf_offset): New.
12226 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12228 (DEBUG_INFO_SECTION): Likewise.
12229 (DEBUG_ABBREV_SECTION): Likewise.
12230 (DEBUG_ARANGES_SECTION): Likewise.
12231 (DEBUG_MACINFO_SECTION): Likewise.
12232 (DEBUG_LINE_SECTION): Likewise.
12233 (DEBUG_LOC_SECTION): Likewise.
12234 (DEBUG_PUBNAMES_SECTION): Likewise.
12235 (DEBUG_STR_SECTION): Likewise.
12236 (DEBUG_RANGES_SECTION): Likewise.
12237 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12238 (ASM_OUTPUT_DWARF_OFFSET): New.
12240 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12242 * config.gcc (tm_defines): Always add to previous value rather
12245 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12247 * config/mips/predicates.md (splittable_const_int_operand): New,
12248 split from move_operand.
12249 (splittable_symbolic_operand): New.
12250 (move_operand): Add commentary. Use splittable_const_int_operand.
12251 Inline mips_atomic_symbolic_constant_p.
12252 * config/mips/mips.md: Add combine splitters for handling moves
12253 of splittable_const_int_operands and splittable_symbolic_operands.
12254 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12255 (mips_split_symbol): Declare.
12256 (mips_move_integer): Declare.
12257 * config/mips/mips.c (mips_split_p): Make global.
12258 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12259 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12260 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12261 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12262 (mips_offset_within_object_p): Handle block symbols.
12263 (mips_atomic_symbolic_constant_p): Delete.
12264 (mips_cannot_force_const_mem): Return false for constants that
12265 mips_legitimize_move can handle.
12266 (mips_use_blocks_for_constant_p): New function.
12267 (mips_split_symbol): Make global.
12268 (mips_move_integer): Likewise. Add a temporary register argument.
12269 (mips_legitimize_const_move): Use splittable_const_int_operand and
12270 splittable_symbolic_operand.
12271 (mips_use_anchors_for_symbol_p): New function.
12272 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12273 (mips_split_p): Declare.
12275 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12277 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12278 (mips*-*-linux*): Likewise.
12280 2006-03-16 Roger Sayle <roger@eyesopen.com>
12281 Daniel Speyer <dspeyer@wam.umd.edu>
12283 PR middle-end/18259
12284 * tree-dump.c (dump_real): New function.
12285 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12286 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12287 (tree-dump.o): Add $(REAL_H) to the dependencies.
12289 2006-03-16 Roger Sayle <roger@eyesopen.com>
12291 PR middle-end/21781
12292 * real.c (real_from_string): If the mantissa is zero, don't bother
12293 parsing the exponent as the result should always be zero.
12295 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12297 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12299 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12301 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12302 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12303 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12304 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12305 ia64_sched_finish_global): New static functions to implement
12306 hooks from gcc_target.sched.
12307 (spec_check_no, max_uid, pending_data_specs): New static variables.
12308 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12309 ia64_spec_check_src_p): New static functions.
12310 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12311 (TARGET_SCHED_ADJUST_COST): Removed.
12312 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12313 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12314 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12315 TARGET_SCHED_GEN_CHECK,
12316 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12317 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12318 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12319 Fixed to handle speculation checks.
12320 (rtx_needs_barrier): Fixed to handle speculative loads and
12322 (ia64_variable_issue): Added code to count speculative loads and their
12324 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12326 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12328 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12330 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12331 (ia64_reorg): Reset stops_p to NULL after it is freed.
12332 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12333 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12334 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12336 (data_speculative, control_speculative, check_load): New attributes.
12337 (mov<mode>_advanced, mov<mode>_speculative,
12338 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12339 zero_extend<mode>di2_speculative,
12340 zero_extend<mode>di2_speculative_advanced): New patterns for
12341 data and control speculative loads.
12342 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12344 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12345 New pattern for data and control speculation checks.
12346 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12347 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12348 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12349 Auxiliary definitions for the patterns.
12350 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12351 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12353 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12355 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12356 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12357 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12358 New resource constraints.
12359 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12361 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12362 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12363 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12364 msched-in-control-spec, msched-ldc, msched-control-ldc,
12365 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12366 msched-prefer-non-control-spec-insns,
12367 msched-count-spec-in-critical-path): New flags to tune speculative
12369 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12370 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12371 msched-in-control-spec, msched-ldc, msched-control-ldc,
12372 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12373 msched-prefer-non-control-spec-insns,
12374 msched-count-spec-in-critical-path): Document new flags.
12376 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12378 * target.h (struct spec_info_def): New opaque declaration.
12379 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12380 speculate_insn, needs_block_p, gen_check,
12381 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12382 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12383 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12384 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12385 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12386 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12388 (TARGET_SCHED): Use new macros.
12389 * rtl.h (copy_DEPS_LIST_list): New prototype.
12390 * sched-int.h (struct sched_info): Change signature of new_ready field,
12391 adjust all initializations. New fields: add_remove_insn,
12392 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12393 region_head_or_leaf_p.
12394 (struct spec_info_def): New structure declaration.
12395 (spec_info_t): New typedef.
12396 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12397 recovery_block, orig_pat.
12398 (glat_start, glat_end): New variables declaraions.
12399 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12401 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12402 DETACH_LIFE_INFO, USE_GLAT.
12403 (enum SPEC_SCHED_FLAGS): New enumeration.
12404 (NOTE_NOTE_BB_P): New macro.
12405 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12406 attach_life_info, debug_spec_status, check_reg_live): New functions.
12407 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12408 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12410 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12411 * ddg.c (get_block_head_tail): Adjust all uses.
12412 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12413 (sms_sched_info): Initialize new fields.
12414 (contributes_to_priority): Removed.
12415 * haifa-sched.c (params.h): New include.
12416 (get_block_head_tail): Adjust all uses.
12417 (ISSUE_POINTS): New macro.
12418 (glat_start, glat_end): New global variables.
12419 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12420 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12421 old_last_basic_block, before_recovery, current_sched_info_var,
12422 rgn_n_insns, luid): New static variables.
12423 (insn_cost1): New function. Move logic from insn_cost to here.
12424 (find_insn_reg_weight1): New function. Move logic from
12425 find_insn_reg_weight to here.
12426 (reemit_notes, move_insn, max_issue): Change signature.
12427 (move_insn1): Removed.
12428 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12429 extend_bb): New static functions to support extension of scheduler's
12431 (generate_recovery_code, process_insn_depend_be_in_spec,
12432 begin_speculative_block, add_to_speculative_block,
12433 init_before_recovery, create_recovery_block, create_check_block_twin,
12434 fix_recovery_deps): New static functions to support
12435 generation of recovery code.
12436 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12437 restore_bb_notes, move_block_after_check, move_succs): New static
12438 functions to support ebb scheduling.
12439 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12440 functions to support handling of register live information.
12441 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12442 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12443 add_jump_dependencies): New static functions.
12444 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12445 consistancy checking.
12446 (debug_spec_status): New function to call from debugger.
12447 (priority): Added code to handle speculation checks.
12448 (rank_for_schedule): Added code to distinguish speculative instructions.
12449 (schedule_insn): Added code to handle speculation checks.
12450 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12451 Fixed to handle ebbs.
12452 (move_insn): Added code to handle ebb scheduling.
12453 (max_issue): Added code to use ISSUE_POINTS of instructions.
12454 (choose_ready): Added code to choose between speculative and
12455 non-speculative instructions.
12456 (schedule_block): Added code to handle ebb scheduling and scheduling of
12457 speculative instructions.
12458 (sched_init): Initialize new variables.
12459 (sched_finish): Free new variables. Print statistics.
12460 (try_ready): Added code to handle speculative instructions.
12461 * lists.c (copy_DEPS_LIST_list): New function.
12462 * sched-deps.c (extend_dependency_caches): New function. Move logic
12463 from create_dependency_caches to here.
12464 (get_dep_weak, ds_merge): Make global.
12465 * genattr.c (main): Code to output prototype for
12466 dfa_clear_single_insn_cache.
12467 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12468 (output_dfa_clean_insn_cache_func): Code to output
12469 dfa_clear_single_insn_cache function.
12470 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12472 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12474 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12475 New static variables.
12476 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12477 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12479 (ebb_sched_info): Initialize new fields.
12480 (get_block_head_tail): Adjust all uses.
12481 (compute_jump_reg_dependencies): Fixed to use glat_start.
12482 (schedule_ebb): Code to remove unreachable last block.
12483 (schedule_ebbs): Added code to update register live information.
12484 * sched-rgn.c (region_sched_info): Initialize new fields.
12485 (get_block_head_tail): Adjust all uses.
12486 (last_was_jump): Removed. Adjust users.
12487 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12488 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12489 Implement new hooks.
12490 (check_dead_notes1): New static function.
12491 (struct region): New fields: dont_calc_deps, has_real_ebb.
12492 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12493 (BB_TO_BLOCK): Fixed to handle EBBs.
12494 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12495 (ebb_head): New static variable.
12496 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12497 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12499 (compute_dom_prob_ps): New assertion.
12500 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12501 global_live_at_start.
12502 (init_ready_list): New assertions.
12503 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12504 (new_ready): Add support for BEGIN_CONTROL speculation.
12505 (schedule_insns): Fixed code that updates register live information
12507 (schedule_region): Fixed to handle EBBs.
12508 (init_regions): Use extend_regions and check_dead_notes1.
12509 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12510 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12511 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12512 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12513 TARGET_SCHED_GEN_CHECK,
12514 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12515 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12516 * doc/invoke.texi (max-sched-insn-conflict-delay,
12517 sched-spec-prob-cutoff): Document.
12519 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12521 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12522 inter_tick, queue_index.
12523 (struct sched_info): Change signature of init_ready_list field.
12524 Adjust all initializations.
12525 (RESOLVED_DEPS): New access macro.
12526 (ready_add): Remove prototype.
12527 (try_ready): Add prototype.
12528 * sched-rgn.c (init_ready_list): Use try_ready.
12529 (schedule_region): Initialize
12530 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12531 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12532 (init_ready_list): Use try_ready.
12533 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12534 * lists.c (remove_list_elem): Remove `static'.
12535 (remove_free_INSN_LIST_elem): New function.
12536 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12537 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12538 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12540 (readyp): New variable.
12541 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12542 change_queue_index, resolve_dep): New static functions.
12543 (try_ready): New function. Adjust callers in sched-rgn.c and
12544 sched-ebb.c to use it instead of ready_add.
12545 (clock_var): Move at the begining of file.
12546 (rank_for_schedule): Fix typo.
12547 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12548 (ready_lastpos): Enforce assertion.
12549 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12550 update all callers.
12551 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12552 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12553 (queue_to_ready): Use free_INSN_LIST_list.
12554 (early_queue_to_ready): Fix typo.
12555 (schedule_block): Init readyp. Move init_ready_list call after the
12556 initialization of clock_var. Fix error in rejecting insn by
12557 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12558 that previously corrected INSN_TICKs. Add code for handling
12560 (set_priorities): Fix typo.
12561 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12562 Clarify comment and code that keeps current_sched_info->next_tail
12565 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12567 * sched-rgn.c (extend_rgns): New static function.
12568 (find_rgns): Use it.
12569 (gather_region_statistics, print_region_statistics): New static
12571 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12572 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12574 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12575 Andrey Belevantsev <abel@ispras.ru>
12577 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12578 * lists.c (unused_deps_list): New variable.
12579 (free_list): Add assertions to verify the proper distinguishing
12580 between INSN_LISTs and DEPS_LISTs.
12581 (find_list_elem, remove_list_elem, remove_list_node): New static
12583 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12584 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12585 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12586 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12588 (free_INSN_LIST_node): Likewise.
12589 * modulo-sched.c (current_sched_info): Initialize flags field.
12590 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12591 * rtl.def (DEPS_LIST): Define.
12592 * rtl.h: Declare new functions from lists.c.
12593 * sched-deps.c (spec_dependency_cache): New static variable.
12594 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12595 (add_dependence): Change return type to void. Move the logic to ...
12596 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12597 (delete_all_dependences): Add comment about forward_dependency_cache.
12598 Handle spec_dependency_cache. Handle DEPS_LISTs.
12599 (fixup_sched_groups): Clarify the change of priority of output
12600 and anti dependencies.
12601 (sched_analyze_2): Adjust add_dependence calls to create data
12602 speculative dependence.
12603 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12604 Adjust all callers. Handle DEPS_LISTS.
12605 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12606 presence of speculation.
12607 (init_dependency_caches, free_dependency_caches):
12608 Handle spec_dependency_cache.
12609 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12610 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12611 New static functions.
12612 (add_or_update_back_dep, add_or_update_back_forw_dep,
12613 add_back_forw_dep, delete_back_forw_dep): New functions.
12614 * sched-int.h (ds_t, dw_t): New typedefs.
12615 (struct sched_info): Add new field flags.
12616 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12617 Prototype new sched-deps.c functions.
12618 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12619 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12620 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12621 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12622 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12623 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12625 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12627 * sched-rgn.c (current_sched_info): Initialize flags field.
12628 (schedule_insns): Initialize current_sched_info before the sched_init
12630 * sched-ebb.c (current_sched_info): Initialize flags field.
12631 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12632 Call add_or_update_back_dep instead of add_dependence.
12633 Create control speculative dependencies.
12634 (schedule_insns): Initialize current_sched_info before the sched_init
12637 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12639 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12641 (sh_fallback_frame_state): Likewise.
12643 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12645 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12646 Do switch on default_use_cxa_atexit.
12647 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12648 * config/darwin-crt3.o: New.
12649 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12650 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12651 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12653 * config/rs6000/t-darwin: Move crt2.o building to here.
12654 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12655 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12658 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12660 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12661 from '! xxx' to '!xxx' for coding-style conformance.
12662 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12663 (EXTRA_CONSTRAINT): Likewise.
12664 * config/vax/vax.md (four unnamed insns): Likewise.
12666 2006-03-15 Paul Brook <paul@codesourcery.com>
12668 * config/arm/arm.c (minipool_pad): New.
12669 (add_minipool_forward_ref): Include pool alignment padding in address
12671 (push_minipool_fix): Set minipool_pad.
12672 (minipool_pad): Ditto.
12674 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12676 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12677 instead of GET_CODE() == MEM and REG_P() instead of
12679 (print_operand_address): Likewise.
12680 (vax_address_cost): Likewise.
12681 (vax_rtx_costs): Likewise.
12682 (vax_notice_update_cc): Likewise.
12683 (vax_output_int_add): Likewise.
12684 (INDEX_REGISTER_P): Likewise.
12685 (BASE_REGISTER_P): Likewise.
12686 (nonindexed_address_p): Likewise.
12687 (vax_mode_dependent_address_p): Likewise.
12688 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12689 (PRINT_OPERAND): Likewise.
12690 * config/vax/vax.md (ashlsi3): Likewise.
12691 (ashlsi3): Likewise.
12692 (some more unnamed insns): Likewise.
12694 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12696 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12697 iterator-style macro.
12698 (mark_control_dependent_edges_necessary): Update the use of
12699 EXECUTE_IF_CONTROL_DEPENDENT.
12701 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12703 * config/sh/predicates.md (cache_address_operand): Special.
12704 (ua_address_operand): Likewise.
12706 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12708 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12710 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12712 2006-03-15 Andreas Schwab <schwab@suse.de>
12714 * gensupport.c (identify_predicable_attribute): Don't free p_false
12715 when it is still in use.
12717 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12719 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12720 the default setting here.
12722 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12724 * tree-pass.h (pass_cfg): Remove.
12725 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12726 * passes.c (pass_cfg): Don't run it.
12728 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12730 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12731 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12733 (stack_regs_mentioned): Update the uses of
12734 stack_regs_mentioned_data. Don't access the array beyond its
12736 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12737 Don't include gt-reg-stack.h.
12739 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12740 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12742 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12744 PR middle-end/26684
12745 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12748 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12750 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12752 2006-03-14 Richard Guenther <rguenther@suse.de>
12754 PR tree-optimization/26672
12755 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12758 2006-03-14 Richard Guenther <rguenther@suse.de>
12760 PR tree-optimization/26667
12761 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12762 node for the callees. Always allow inlining if it will shrink
12765 2006-03-14 Richard Guenther <rguenther@suse.de>
12767 PR middle-end/26659
12768 * builtins.c (get_pointer_alignment): Prefer alignment
12769 information from decls over that from types.
12771 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12774 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12776 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12778 * config/rs6000/rs6000.opt (mdlmzb): New option.
12779 (msched-prolog, msched-epilog): Use Var not Mask.
12780 * doc/invoke.texi (-mdlmzb): Document.
12781 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12783 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12784 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12786 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12788 PR rtl-optimization/25739
12789 * bt-load.c (augment_live_range): Free tos pointer.
12791 * gensupport.c (identify_predicable_attribute): Free
12793 * gcov.c (create_file_names): Free name pointer.
12795 2006-03-13 Roger Sayle <roger@eyesopen.com>
12797 PR middle-end/26557
12798 * stmt.c (emit_case_nodes): Handle the case where the index is a
12799 CONST_INT, where the comparison mode is specified by the index type.
12801 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12803 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12806 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12808 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12809 (*branch_fp_inverted): Likewise.
12811 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12813 PR middle-end/25989
12814 * omp-low.c (expand_omp_for_generic): Mark istart0
12815 and iend0 as addressable.
12817 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12819 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12821 2006-03-13 Jeff Law <law@redhat.com>
12823 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12824 virtual operands are interesting.
12825 (vrp_visit_stmt): Corresponding changes.
12827 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12829 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12831 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12832 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12833 * config/bfin/crti.S: Use it instead of __PIC__.
12834 * config/bfin/crtn.S: Likewise.
12836 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12837 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12839 Lose 'G' modifier for call operand.
12840 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12841 recognize 'G' modifier.
12843 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12845 PR middle-end/18859
12846 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12847 * stmt.c (expand_case): Likewise.
12849 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12851 PR rtl-optimization/26254
12852 * loop-invariant.c (seq_insns_valid_p): New function.
12853 (move_invariant_reg): Only emit new code if it is valid.
12855 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12857 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12859 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12860 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12861 (commit_one_edge_insertion): Do not look for loop notes.
12863 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12865 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12866 flag_test_coverage out of loop.
12868 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12870 * final.c (shorten_branches): Remove outdated comment, and turn
12871 the if branch that guards it to continue.
12873 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12875 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
12876 * cfgloop.h (struct loop): Remove unused fields.
12878 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
12880 * doc/invoke.texi (-fdump-rtl-loop): Remove.
12881 (-dL, -fdump-rtl-loop2): Update the dump file names
12883 * doc/invoke.texi: Update dump file names.
12885 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
12887 * predict.c (estimate_probability): Remove.
12888 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
12889 * basic-block.h (estimate_probability): Remove prototype.
12890 * passes.c (finish_optimization_passes): Dump branch prediction or
12891 profiling heuristics to the .profile tree dump.
12892 (init_optimization_passes): Unqueue pass_branch_prob.
12894 * doc/invoke.texi (-fdump-rtl-bp): Remove.
12896 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12898 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
12899 * rtl.h (LABEL_NEXTREF): Remove field accessor.
12901 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
12903 * function.h (frame_offset_overflow): Declare.
12904 * function.c (frame_offset_overflow): New function.
12905 (assign_stack_local_1): Call it to detect that the offset overflows.
12906 * cfgexpand.c (alloc_stack_frame_space): Likewise.
12908 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
12910 * config/sh/sh.c: Include alloc-pool.h.
12911 (label_ref_list_pool): New alloc pool.
12912 (label_ref_list_t): New type for lists of labels.
12913 (struct pool_node): Make wend a label_ref_list_t.
12914 (add_constant): Use the new type, eradicate LABEL_NEXTREF
12916 (dump_table): Likewise.
12917 (sh_reorg): Set up the alloc pool before using add_constant and
12918 dump_table, and destroy it when finishing.
12920 2006-03-11 Richard Sandiford <richard@codesourcery.com>
12922 * config/mips/mips.c: Remove redundant comment.
12924 2006-03-10 Jason Merrill <jason@redhat.com>
12927 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
12928 the target was declared 'register'.
12930 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
12932 * genpreds.c (write_insn_constraint_len): Change definition of
12933 insn_constraint_len to return size_t to match the declaration.
12935 2006-03-10 DJ Delorie <dj@redhat.com>
12937 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
12939 (m32c_expand_insv): Fix test for an AND mask.
12941 2006-03-10 Richard Guenther <rguenther@suse.de>
12943 PR middle-end/26565
12944 * builtins.c (get_pointer_alignment): Handle component
12945 references for field alignment.
12947 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12949 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
12950 when building with libgloss.
12951 (sh*elf): Implement --without-fp option.
12952 (sh64-superh-linux*): Don't multilib.
12954 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
12956 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
12958 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
12960 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
12961 Set it when one of the replacement functions returned true.
12962 Return TODO_cleanup_cfg if cfgchanged is true.
12963 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
12965 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
12967 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
12968 instead of gen_lowpart.
12970 2006-03-09 Richard Sandiford <richard@codesourcery.com>
12972 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
12974 (mips_output_order_conditional_branch): Declare.
12975 * config/mips/mips.h (MIPS_BRANCH): New macro.
12976 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
12977 for the comparison. Use gen_condjump.
12978 (mips_output_conditional_branch): Rework interface to take the
12979 asm templates for a direct branch and the inverse of a direct branch.
12980 (mips_output_order_conditional_branch): New function.
12981 (mips_builtin_branch_and_move): New function.
12982 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
12983 branch condition. Use gen_single_cc as the condition for
12984 __builtin_mips_upper_* or __builtin_mips_lower_*.
12985 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
12986 Use VOIDmode for the branch condition.
12987 * config/mips/predicates.md (order_operator): New predicate.
12988 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
12989 (branch_fp): Rename to...
12990 (*branch_fp): ...this. Remove mode from comparison operator.
12991 Use new mips_output_conditional_branch interface.
12992 (branch_fp_inverted): Rename to...
12993 (*branch_fp_inverted): ...this and update as for *branch_fp.
12994 (*branch_zero<mode>): Rename to...
12995 (*branch_order<mode>): ...this. Remove mode from comparison operator.
12996 Use mips_output_order_conditional_branch. Only accept ordered
12998 (*branch_zero<mode>_inverted): Rename to...
12999 (*branch_order<mode>_inverted): ...this and update as for
13000 *branch_order<mode>.
13001 (*branch_equality<mode>): Accept zero as the second operand to
13002 the equality operator. Use the new mips_output_conditional_branch
13004 (*branch_equality<mode>_inverted): Likewise.
13005 (condjump): New expander.
13006 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13008 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13009 (bc1any2t, bc1any2f): Likewise.
13010 (single_cc): New expander.
13011 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13013 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13015 * doc/md.texi: Update documentation of MIPS constraints.
13016 * config/mips/constraints.md: New file.
13017 * config/mips/mips.md: Include it.
13018 * config/mips/mips.c (mips_char_to_class): Delete.
13019 (override_options): Don't initialize mips_char_to_class.
13020 * config/mips/mips.h (mips_char_to_class): Delete.
13021 (REG_CLASS_FROM_LETTER): Delete.
13022 (CONST_OK_FOR_LETTER_P): Delete.
13023 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13024 (EXTRA_CONSTRAINT_Y): Delete.
13025 (EXTRA_CONSTRAINT_STR): Delete.
13026 (CONSTRAINT_LEN): Delete.
13027 (EXTRA_MEMORY_CONSTRAINT): Delete.
13029 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13031 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13032 original fn's eh regions.
13034 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13036 * fold-const.c (build_range_check): Make sure to use a valid type to
13037 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13040 (range_predecessor): New static function.
13041 (range_successor): Likewise.
13042 (merge_ranges): Use them to compute predecessors and successors of
13045 2006-03-09 Roger Sayle <roger@eyesopen.com>
13047 PR middle-end/26561
13048 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13049 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13051 2006-03-08 DJ Delorie <dj@redhat.com>
13053 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13054 (addpsi3): Expand to include memory operands. Remove
13055 reload-specific splits.
13056 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13057 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13058 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13059 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13060 (shift1_qi, shift1_hi, insv): New.
13061 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13062 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13063 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13065 * config/m32c/m32c-protos.h: Update as needed.
13066 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13067 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13068 Fail for unrecognized R* constraints.
13069 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13070 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13071 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13073 (m32c_init_libfuncs): New.
13074 (m32c_legitimate_address_p): Add debug wrapper.
13075 (m32c_rtx_costs): New.
13076 (m32c_address_cost): New.
13077 (conversions): Add 'B' prefix.
13078 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13079 operands, or word regnames for QI operands. 'B' prints bit
13081 (m32c_expand_setmemhi): New.
13082 (m32c_expand_movmemhi): New.
13083 (m32c_expand_movstr): New.
13084 (m32c_expand_cmpstr): New.
13085 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13086 (m32c_expand_neg_mulpsi3): Handle non-ints.
13087 (m32c_cmp_flg_0): New.
13088 (m32c_expand_movcc): New.
13089 (m32c_expand_insv): New.
13090 (m32c_scc_pattern): New.
13091 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13092 a0/a1 out of SIregs.
13093 (STORE_FLAG_VALUE): New.
13094 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13097 * config/m32c/mov.md: Make constraints more liberal.
13098 (zero_extendqihi2): Optimize r0/r1 case.
13099 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13100 * config/m32c/predicates.md (m32c_any_operand): New.
13101 (m32c_nonimmediate_operand): New.
13102 (m32c_hl_operand): New.
13103 (m32c_r3_operand): New.
13106 (memsym_operand): New.
13107 (memimmed_operand): New.
13108 (a_qi_operand): New.
13109 (m32c_eqne_operator): New.
13110 (m32c_1bit8_operand): New.
13111 (m32c_1bit16_operand): New.
13112 (m32c_1mask8_operand): New.
13113 (m32c_1mask16_operand): New.
13114 * config/m32c/blkmov.md: New file.
13115 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13117 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13119 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13120 unsigned to fix signed/unsigned comparison issue in
13121 DWARF2_FRAME_REG_OUT.
13122 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13123 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13125 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13126 of ptr into the ENABLE_CHECKING section.
13128 2006-03-08 Jeff Law <law@redhat.com>
13130 * tree-vrp.c (infer_value_range): Only count pointer uses
13131 and dereferences if -fdelete-null-pointer-checks is enabled.
13133 * tree-vrp.c (find_assert_locations): Infer value ranges for
13134 single use pointers, but do not create ASSERT_EXPRs for them.
13135 When a non-null range is inferred for a pointer, backwards
13136 propagate that range to other equivalent pointers through the
13139 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13142 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13143 language hook targets.
13144 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13145 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13146 if language hook targets were missing.
13148 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13150 * tree-ssa-opfinalize.h: Removed.
13151 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13153 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13154 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13155 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13156 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13157 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13158 finalize_ssa_v_must_def_ops): New.
13160 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13162 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13163 block as parameter.
13165 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13167 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13169 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13170 addresses with offsets; reorganize.
13172 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13173 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13174 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13176 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13179 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13181 2006-03-08 Ben Elliston <bje@au.ibm.com>
13183 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13185 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13188 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13191 2006-03-07 Richard Guenther <rguenther@suse.de>
13193 PR tree-optimization/26587
13194 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13196 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13198 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13200 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13202 * hooks.c (hook_bool_mode_rtx_true): New function.
13203 * hooks.h (hook_bool_mode_rtx_true): Declare.
13204 * toplev.c (compile_file): Call output_shared_constant_pool.
13205 * varasm.c (shared_constant_pool): New variable.
13206 (assemble_start_function, assemble_end_function): Remove arguments
13207 from call to output_constant_pool.
13208 (create_constant_pool): New function, split out from...
13209 (init_varasm_status): ...here.
13210 (force_const_mem): Choose between the shared and per-function constant
13211 pools. Set current_function_uses_const_pool when reusing old entries
13212 as well as when creating new ones.
13213 (mark_constant): Ignore data argument.
13214 (mark_constants): Remove pool argument.
13215 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13216 to decide whether the function uses a constant pool.
13217 (output_constant_pool_contents): New function, split out from...
13218 (output_constant_pool): ...here.
13219 (output_shared_constant_pool): New function.
13220 (init_varasm_once): Initialize shared_constant_pool.
13221 * output.h (output_constant_pool): Delete.
13222 (output_shared_constant_pool): Declare.
13223 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13224 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13226 2006-03-06 Nick Clifton <nickc@redhat.com>
13228 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13229 flag_strength_reduce.
13231 2006-03-06 Ben Elliston <bje@au.ibm.com>
13233 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13234 x86_64-*-linux* configurations.
13236 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13237 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13239 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13241 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13243 * basic-block.h: Remove the extern for
13244 rediscover_loops_after_threading.
13246 * cfgloop.c (cancel_loop): Make it static.
13247 * cfgloop.h: Remove the prototype for cancel_loop.
13249 * flow.c (recompute_reg_usage): Make it static.
13250 * rtl.h: Remove the prototype for recompute_reg_usage.
13252 * function.c (use_return_register): Make it static.
13253 * function.h: Remove the prototype.
13255 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13257 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13259 * recog.h: Remove the prototype for
13260 validate_change_maybe_volatile.
13262 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13264 * rtlanal.c (replace_reg): Remove.
13265 * rtl.h: Remove the prototype for replace_reg.
13267 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13269 * regclass.c (reg_scan_update): Remove.
13270 (reg_scan_mark_refs): Remove the last argument.
13271 * rtl.h: Remove the prototype for reg_scan_update.
13273 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13275 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13276 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13277 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13278 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13279 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13280 loop-invariant.c, omp-low.c, opts.c, passes.c,
13281 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13282 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13283 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13284 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13285 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13286 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13288 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13290 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13291 * dwarf2out.h: Remove the prototype for
13292 dwarf2out_add_library_unit_info.
13294 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13296 * tree.c (add_var_to_bind_expr): Remove.
13297 * tree.h: Remove the prototype for add_var_to_bind_expr.
13299 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13301 * regclass.c (n_non_fixed_regs): Remove.
13302 (init_reg_sets_1, globalize_reg): Remove all uses of
13304 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13306 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13308 * rtlanal.c (insns_safe_to_move_p): Remove.
13309 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13311 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13313 * expmed.c (expand_mult_add): Remove.
13314 * expr.h: Remove the prototype for expand_mult_add.
13316 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13318 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13319 and REG_SAVED_VAL_EXP constants.
13320 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13321 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13322 Handle regs stored by value.
13323 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13324 (execute_cfa_program): Handle DW_CFA_val_offset,
13325 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13326 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13327 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13328 (uw_install_context_1): Handle target regs stored by value.
13330 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13332 * tree-sra.c (tree_sra): Return todoflags;
13333 (generate_one_element): Set TODO_update_smt_usage if needed.
13334 (pass_sra): Remove TODO_update_smt_usage.
13335 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13337 (tree_ssa_forward_propagate_single_use_vars): Return
13338 TODO_update_smt_usage if we need to update SMT usage.
13339 (pass_forwprop): Remove TODO_update_smt_usage.
13341 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13343 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13344 (correct_use_link): Remove reference to get_stmt_operands.
13345 (update_stmt_operands): Likewise.
13346 (get_modify_expr_operands): New function factored out of
13347 parse_ssa_operands and get_expr_operands.
13348 Try to create V_MUST_DEFs for LHS by default.
13349 (get_expr_operands) <case MODIFY_EXPR>: Call
13350 get_modify_expr_operands.
13351 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13352 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13353 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13354 get_modify_expr_operands.
13356 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13358 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13359 * tree-flow.h: Remove the prototype for
13360 referenced_var_lookup_if_exists.
13362 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13364 PR rtl-optimization/26345
13366 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13368 2006-03-03 Roger Sayle <roger@eyesopen.com>
13370 PR tree-optimization/26524
13371 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13372 fold_convert to create a constant of the appropriate type.
13374 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13376 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13377 SYMBOL_REF_IN_BLOCK_P.
13378 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13379 of SYMBOL_FLAG_IN_BLOCK.
13380 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13381 instead of SYMBOL_REF_IN_BLOCK_P.
13382 * explow.c (use_anchored_address): Likewise.
13383 * rtl.c (rtx_size): Likewise.
13384 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13385 instead of SYMBOL_FLAG_IN_BLOCK.
13386 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13387 SYMBOL_REF_IN_BLOCK_P.
13388 (assemble_variable): Likewise.
13389 (output_constant_def_contents): Likewise.
13390 (output_constant_pool): Likewise.
13391 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13392 instead of SYMBOL_FLAG_IN_BLOCK.
13393 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13394 SYMBOL_REF_IN_BLOCK_P.
13395 (SYMBOL_REF_BLOCK): Likewise.
13396 (SYMBOL_REF_OFFSET): Likewise.
13397 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13398 SYMBOL_REF_IN_BLOCK_P.
13399 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13400 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13401 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13402 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13404 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13406 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13408 2006-03-02 Roger Sayle <roger@eyesopen.com>
13410 * simplify-rtx.c (simplify_unary_operation): When simplifying
13411 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13412 that we perform the right shift in the appropriate mode, and
13413 then extend or truncate the result to requested mode.
13415 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13417 * gengtype.c (main): Handle double_int type.
13418 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13419 * double-int.c: New file.
13420 * double-int.h: New file.
13421 * system.h: Include doubleint.h.
13422 * Makefile.in (SYSTEM_H): Include double-int.h.
13423 (double-int.o): Add.
13425 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13428 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13431 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13433 * tree-vrp.c (remove_range_assertions): Do not update statements
13436 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13438 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13440 * gcse.c (rest_of_handle_gcse): Ditto.
13441 * except.c (gate_handle_eh): Ditto.
13442 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13443 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13445 2006-03-02 Eric Christopher <echristo@apple.com>
13447 * config/i386/i386.c (machopic_output_stub): Add indirection to
13450 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13454 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13456 Sun Niagara specific optimizations.
13457 * config.gcc: Recognize niagara as target.
13458 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13459 (TARGET_CPU_niagara): Define.
13460 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13461 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13462 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13463 (ASM_CPU_SPEC): Likewise.
13464 (PROCESSOR_NIAGARA): New enum entry.
13465 (REGISTER_MOVE_COST): Handle Niagara.
13466 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13467 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13468 (sparc_override_options): Recognize "niagara", set appropriate
13469 default MASK_* values for it, and align functions to 32-bytes
13470 by default just like ULTRASPARC/ULTRASPARC3.
13471 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13472 (sparc64_initialize_trampoline): Likewise.
13473 (sparc_use_sched_lookahead): Use zero for niagara.
13474 (sparc_issue_rate): Use one for niagara.
13475 * config/sparc/niagara.md: New file.
13476 * config/sparc/sparc.md: Include it.
13477 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13478 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13479 when default cpu is niagara.
13480 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13481 (ASM_CPU_SPEC): Likewise.
13482 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13483 when default cpu is niagara.
13484 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13485 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13486 just like v9/ultrasparc/ultrasparc3.
13487 * doc/invoke.texi: Add documentation for "niagara" and improve
13488 existing documentation for ultrasparc variants.
13490 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13492 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13494 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13496 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13497 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13498 and say that only one is needed.
13499 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13500 * target.h (have_switchable_bss_sections): New hook.
13501 * explow.c (use_anchored_address): Check that the symbol is in a block.
13502 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13503 (bss_noswitch_section): New variables.
13504 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13505 (get_noswitch_section): New function.
13506 (get_block_for_section): Allow SECT to be null.
13507 (unlikely_text_section_p): Use SECTION_STYLE.
13508 (bss_initializer_p): New function.
13509 (get_variable_section): Move earlier in file. Take a new argument,
13510 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13511 Return one of the new *_sections in such cases.
13512 (get_block_for_decl): New function, extracting some logic from
13513 use_blocks_for_decl_p.
13514 (change_symbol_section): Remove in favor of...
13515 (change_symbol_block): ...this new function.
13516 (use_blocks_for_decl_p): Remove checks now performed by
13517 get_block_for_decl.
13518 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13519 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13520 (emit_local, emit_bss, emit_common): ...these new functions.
13521 Return true if the alignment was honored.
13522 (emit_tls_common): New function.
13523 (asm_emit_uninitialised): Delete.
13524 (assemble_variable_noswitch): New function, split out from...
13525 (assemble_variable): ...here. Don't make decisions about common
13526 variables here. Globalize all public decls that go into non-common
13527 sections. Check whether SYMBOL_REF_BLOCK is null.
13528 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13529 (output_constant_pool): Likewise.
13530 (init_varasm_once): Initialize the new section variables.
13531 (have_global_bss_p): New function.
13532 (categorize_decl_for_section): Use bss_initializer_p.
13533 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13534 (place_block_symbol): Assert that the symbol must be in a block.
13535 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13536 (TARGET_INITIALIZER): Include it.
13537 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13538 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13539 (SECTION_MACH_DEP): Bump by two.
13540 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13541 (unnamed_section): Mention SECTION_UNNAMED in comment.
13542 (named_section): Likewise SECTION_NAMED.
13543 (noswitch_section_callback): New type.
13544 (noswitch_section): New structure.
13545 (section): Add a noswitch_section alternative.
13546 (SECTION_STYLE): New macro.
13547 (tls_comm_section, comm_section, lcomm_section): Declare.
13548 (bss_noswitch_section, have_global_bss_p): Declare.
13549 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13550 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13552 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13553 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13556 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13558 * tree-vrp.c (execute_vrp): Return value.
13559 * regrename.c (rest_of_handle_regrename): Ditto.
13560 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13561 * tree-complex.c (tree_lower_complex): Ditto.
13562 (tree_lower_complex_O0): Ditto.
13563 * tracer.c (rest_of_handle_tracer): Ditto.
13564 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13565 * postreload.c (rest_of_handle_postreload): Ditto.
13566 * tree-tailcall.c (execute_tail_recursion): Ditto.
13567 (execute_tail_calls): Ditto.
13568 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13569 * tree.h (init_function_for_compilation): Ditto.
13570 * ipa-cp.c (ipcp_driver): Ditto.
13571 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13572 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13573 * final.c (compute_alignments): Ditto.
13574 (rest_of_handle_final): Ditto.
13575 (rest_of_handle_shorten_branches): Ditto.
13576 (rest_of_clean_state): Ditto.
13577 * omp-low.c (execute_expand_omp): Ditto.
13578 (execute_lower_omp): Ditto.
13579 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13580 * ipa-reference.c (static_execute): Ditto.
13581 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13582 * reorg.c (rest_of_handle_delay_slots): Ditto.
13583 (rest_of_handle_machine_reorg): Ditto.
13584 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13585 * flow.c (recompute_reg_usage): Ditto.
13586 (rest_of_handle_remove_death_notes): Ditto.
13587 (rest_of_handle_life): Ditto.
13588 (rest_of_handle_flow2): Ditto.
13589 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13590 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13591 (do_ssa_store_ccp): Ditto.
13592 (execute_fold_all_builtins): Ditto.
13593 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13594 * modulo-sched.c (rest_of_handle_sms): Ditto.
13595 * ipa-pure-const.c (static_execute): Ditto.
13596 * cse.c (rest_of_handle_cse): Ditto.
13597 (rest_of_handle_cse2): Ditto.
13598 * web.c (rest_of_handle_web): Ditto.
13599 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13600 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13601 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13602 * tree-nrv.c (tree_nrv): Ditto.
13603 (execute_return_slot_opt): Ditto.
13604 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13605 (create_structure_vars): Ditto.
13606 * loop-init.c (rtl_loop_init): Ditto.
13607 (rtl_loop_done): Ditto.
13608 (rtl_move_loop_invariants): Ditto.
13609 (rtl_unswitch): Ditto.
13610 (rtl_unroll_and_peel_loops): Ditto.
13611 (rtl_doloop): Ditto.
13612 * gimple-low.c (lower_function_body): Ditto.
13613 (mark_used_blocks): Ditto.
13614 * tree-ssa-sink.c (execute_sink_code): Ditto.
13615 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13616 (cgraph_early_inlining): Ditto.
13617 * global.c (rest_of_handle_global_alloc): Ditto.
13618 * jump.c (cleanup_barriers): Ditto.
13619 (purge_line_number_notes): Ditto.
13620 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13621 (rest_of_handle_if_after_reload): Ditto.
13622 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13623 (tree_ssa_loop_im): Ditto.
13624 (tree_ssa_loop_unswitch): Ditto.
13625 (tree_vectorize): Ditto.
13626 (tree_linear_transform): Ditto.
13627 (tree_ssa_loop_ivcanon): Ditto.
13628 (tree_ssa_empty_loop): Ditto.
13629 (tree_ssa_loop_bounds): Ditto.
13630 (tree_complete_unroll): Ditto.
13631 (tree_ssa_loop_prefetch): Ditto.
13632 (tree_ssa_loop_ivopts): Ditto.
13633 (tree_ssa_loop_done): Ditto.
13634 * predict.c (tree_estimate_probability): Ditto.
13635 * recog.c (split_all_insns_noflow): Ditto.
13636 (rest_of_handle_peephole2): Ditto.
13637 (rest_of_handle_split_all_insns): Ditto.
13638 * tree-eh.c (lower_eh_constructs): Ditto.
13639 * regmove.c (rest_of_handle_regmove): Ditto.
13640 (rest_of_handle_stack_adjustments): Ditto.
13641 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13642 * function.c (instantiate_virtual_regs): Ditto.
13643 (init_function_for_compilation): Ditto.
13644 (rest_of_handle_check_leaf_regs): Ditto.
13645 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13646 (rest_of_handle_gcse): Ditto.
13647 * ipa-type-escape.c (type_escape_execute): Ditto.
13648 * alias.c (rest_of_handle_cfg): Ditto.
13649 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13650 * profile.c (rest_of_handle_branch_prob): Ditto.
13651 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13652 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13653 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13654 * tree-dfa.c (find_referenced_vars): Ditto.
13655 * except.c (set_nothrow_function_flags): Ditto.
13656 (convert_to_eh_region_ranges): Ditto.
13657 (rest_of_handle_eh): Ditto.
13658 * emit-rtl.c (unshare_all_rtl): Ditto.
13659 (remove_unnecessary_notes): Ditto.
13660 * except.h (set_nothrow_function_flags): Ditto.
13661 (convert_to_eh_region_ranges): Ditto.
13662 * cfgexpand.c (tree_expand_cfg): Ditto.
13663 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13664 * tree-ssa-pre.c (do_pre): Ditto.
13665 (execute_fre): Ditto.
13666 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13667 (rest_of_handle_jump2): Ditto.
13668 * tree-sra.c (tree_sra): Ditto.
13669 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13670 (execute_mudflap_function_decls): Ditto.
13671 * tree-ssa-copy.c (do_copy_prop): Ditto.
13672 (do_store_copy_prop): Ditto.
13673 * ipa-prop.h (ipcp_driver): Ditto.
13674 * cfglayout.c (insn_locators_initialize): Ditto.
13675 * tree-ssa-forwprop.c
13676 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13677 * cfglayout.h (insn_locators_initialize): Ditto.
13678 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13679 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13680 (execute_late_warn_uninitialized): Ditto.
13681 * rtl.h (cleanup_barriers): Ditto.
13682 (split_all_insns_noflow): Ditto.
13683 (purge_line_number_notes): Ditto.
13684 (unshare_all_rtl): Ditto.
13685 (remove_unnecessary_notes): Ditto.
13686 (recompute_reg_usage): Ditto.
13687 (variable_tracking_main): Ditto.
13688 * integrate.c (emit_initial_value_sets): Ditto.
13689 * integrate.h (emit_initial_value_sets): Ditto.
13690 * tree-optimize.c (execute_free_datastructures): Ditto
13691 (execute_free_cfg_annotations): Ditto.
13692 (execute_fixup_cfg): Ditto.
13693 (execute_cleanup_cfg_pre_ipa): Ditto.
13694 (execute_cleanup_cfg_post_optimizing): Ditto.
13695 (execute_init_datastructures): Ditto.
13696 * tree-object-size.c (compute_object_sizes): Ditto.
13697 * combine.c (rest_of_handle_combine): Ditto.
13698 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13699 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13700 (rest_of_handle_reorder_blocks): Ditto.
13701 (rest_of_handle_partition_blocks): Ditto.
13702 * var-tracking.c (variable_tracking_main): Ditto.
13703 * tree-profile.c (tree_profiling): Ditto.
13704 * tree-vect-generic.c (expand_vector_operations): Ditto.
13705 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13706 * sched-rgn.c (rest_of_handle_sched): Ditto.
13707 (rest_of_handle_sched2): Ditto.
13708 * basic-block.h (free_bb_insn): Ditto.
13709 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13710 * tree-cfg.c (execute_build_cfg): Ditto.
13711 (remove_useless_stmts): Ditto.
13712 (split_critical_edges): Ditto.
13713 (execute_warn_function_return): Ditto.
13714 (execute_warn_function_noreturn): Ditto.
13715 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13716 * cfgrtl.c (free_bb_for_insn): Ditto.
13717 * passes.c (execute_one_pass): Run additional
13718 todos returned by execute function.
13719 * tree-pass.h (struct tree_opt_pass): Make execute
13722 2006-03-02 Richard Guenther <rguenther@suse.de>
13724 * tree-ssa-alias.c (find_used_portions): Consider taking
13725 the address as making the variable not write-only.
13727 2006-03-02 Nick Clifton <nickc@redhat.com>
13729 * config.gcc (default_use_cxa_atexit): Extend the description of
13730 this configure variable. Set its default value to "yes" for
13731 Linux, NetBSD and ELF targets on the assumption that they will
13732 use C libraries with the __cxa_atexit function.
13734 2006-03-02 Ben Elliston <bje@au.ibm.com>
13736 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13737 parameter as unused to suppress a build warning.
13739 2006-03-02 Ben Elliston <bje@au.ibm.com>
13741 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13744 2006-03-01 Roger Sayle <roger@eyesopen.com>
13747 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13748 declared name, the weak reference name, and the typeof name.
13749 (__gthrw): Avoid expanding the declared name suffix.
13750 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13752 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13754 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13756 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13757 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13758 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13759 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13760 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13761 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13762 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13763 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13764 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13765 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13766 (DW_END_default, DW_END_big, DW_END_little): New.
13767 (DW_END_lo_user, DW_END_hi_user): Define.
13768 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13769 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13770 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13773 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13775 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13777 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13779 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13781 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13783 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13784 to 'symbol_mem_tag'.
13786 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13789 2006-03-01 Roger Sayle <roger@eyesopen.com>
13791 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13793 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13796 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13797 MACHO_DYNAMIC_NO_PIC_P.
13798 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13800 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13803 * config/darwin-protos.h (darwin_asm_output_anchor):
13805 * config/darwin-sections.def (cstring_section):
13806 Add SECTION_MERGE to the flags.
13807 (literal4_section): Likewise.
13808 (literal8_section): Likewise.
13809 (objc_selector_refs_section): Likewise.
13810 (objc_cls_refs_section): Likewise.
13811 * config/darwin.c (darwin_asm_output_anchor): New
13813 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13815 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13817 Fix PR tree-optimization/26443
13818 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13819 to todo and PROP_tmt_usage to properties_destroyed.
13820 * tree-ssa-ccp.c (pass_ccp): Ditto.
13821 (pass_store_ccp): Ditto.
13822 * tree-ssa-dom.c (pass_dominator): Ditto.
13824 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13826 * tree-ssa-operands.c: Cleanup whitespace.
13827 (get_asm_expr_operands): Move before first invocation.
13828 (get_indirect_ref_operands): Likewise.
13829 (get_tmr_operands): Likewise.
13830 (get_call_expr_operands): Likewise.
13831 (append_def): Likewise.
13832 (append_use): Likewise.
13833 (append_v_may_def): Likewise.
13834 (append_v_must_def): Likewise.
13835 (add_call_clobber_ops): Likewise.
13836 (add_call_read_ops): Likewise.
13837 (add_stmt_operand): Likewise.
13838 (add_virtual_operand): Likewise.
13839 (build_ssa_operands): Likewise.
13841 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13843 PR middle-end/26022
13845 PR middle-end/24437
13846 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13847 with a call expr to ...
13848 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13850 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13852 * tree-vrp.c (extract_range_from_assert): Remove special
13853 handling for types with super-types.
13855 2006-03-01 Ben Elliston <bje@au.ibm.com>
13857 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13858 and powerpc64-*-linux* configurations.
13859 * config/t-dfprules: New file.
13861 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13862 Compile dfp-bit.c from the source directory using -DWIDTH and
13863 $DFP_CFLAGS to control the compilation of that file, rather than
13864 generating width-specific versions in the build directory.
13865 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13866 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13868 2006-02-28 Zack Weinberg <zackw@panix.com>
13870 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
13873 2006-02-28 Eric Christopher <echristo@apple.com>
13875 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
13876 Set up IN_LIBGCC definition of TARGET_64BIT.
13877 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
13879 2006-02-28 Roger Sayle <roger@eyesopen.com>
13881 PR middle-end/14752
13882 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
13883 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
13884 cases via the construction of "expr != 0".
13886 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
13888 * alias.c (alias_invariant, alias_invariant_size): Remove.
13889 (record_base_value): Remove.
13890 (memrefs_conflict_p): Don't look at alias_invariant.
13891 (end_alias_analysis): Don't free it.
13892 * alias.h (record_base_value): Remove prototype.
13894 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
13895 Adam Nemet <anemet@caviumnetworks.com>
13897 * rtl.h (truncated_to_mode): Declare it.
13898 (struct rtl_hooks): Add reg_truncated_to_mode hook.
13899 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
13900 (RTL_HOOKS_INITIALIZER): Include it.
13901 * rtlhooks.c (reg_truncated_to_mode_general): New function.
13902 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
13903 reg_truncated_to_mode.
13904 * rtlanal.c (truncated_to_mode): Define it.
13905 * simplify-rtx.c (simplify_unary_operation_1): Use it.
13907 2006-02-28 Jeff Law <law@redhat.com>
13909 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
13910 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
13911 the range allowed by TYPE_PRECISION.
13913 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
13915 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
13917 PR tree-optimization/26419
13918 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
13921 2006-02-27 Zack Weinberg <zackw@panix.com>
13923 * doc/md.texi: Fix typo in previous change.
13925 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
13929 2006-02-27 Zack Weinberg <zackw@panix.com>
13931 * rtl.def (define_constraint, define_register_constraint)
13932 (define_memory_constraint, define_address_constraint): New MD forms.
13933 * gensupport.c (process_rtx): Put define_constraint etc on the
13935 * genpreds.c (process_define_predicate): Adjust comment. Validate
13936 the name, and call validate_exp to validate the expression.
13937 (mark_mode_tests, write_extract_subexp): Can assume correct input.
13938 (write_predicate_expr): Likewise. NAME argument no longer necessary;
13939 all callers changed.
13940 (validate_exp, needs_variable, struct constraint_data)
13941 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
13942 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
13943 (const_dbl_constraints, constraint_max_namelen)
13944 (have_register_constraints, have_memory_constraints)
13945 (have_address_constraints, have_address_constraints)
13946 (have_extra_constraints, have_const_int_constraints)
13947 (have_const_dbl_constraints, mangle, add_constraint)
13948 (process_define_constraint, process_define_register_constraint)
13949 (write_enum_constraint_num, write_lookup_constraint)
13950 (write_insn_constraint_len, write_regclass_for_constraint)
13951 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
13952 (write_insn_extra_memory_constraint)
13953 (write_insn_extra_address_constraint)
13954 (write_satisfies_constraint_fns): New.
13955 (write_tm_preds_h): If we have new-style constraint definitions,
13956 prototype the functions generated from them, and define the
13957 old constraint interface (still used by generic code) in terms of
13959 (write_insn_preds_c): If we have new-style constraint definitions,
13960 generate all relevant functions from those definitions.
13961 (main): Handle define_constraint etc.
13962 * genoutput.c (struct constraint_data, indep_constraints)
13963 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
13964 (mdep_constraint_len): New data structures and functions, defined
13965 #ifdef USE_MD_CONSTRAINTS.
13966 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
13967 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
13968 use new logic to validate operand constraints against constraint
13970 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
13972 * defaults.h: If none of the old-style constraint macros are
13973 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
13974 old-style macros; and poison REG_CLASS_FROM_LETTER,
13975 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
13977 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
13978 * doc/md.texi: Document new constraint-definition mechanism and the
13979 C interface it provides. Remove references to old mechanism
13980 elsewhere in the document.
13981 (Machine Constraints): Use pathnames relative to gcc directory,
13982 i.e. config/ARCH/FILE. Change i386 section to refer to
13983 config/i386/predicates.md; update that section to match docstrings.
13984 * doc/tm.texi: Move all documentation of the old constraint-
13985 definition macros to their own section, clearly mark as obsolete.
13987 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
13988 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
13990 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
13991 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
13992 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
13993 constraint strings.
13994 (splits and peepholes): Use satisfies_constraint_*.
13995 * config/i386/i386.c (memory_address_length)
13996 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
13998 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14000 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14001 scalar operation to be put back into the loop.
14003 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14006 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14007 (extract_cie_info): Handle S flag in augmentation string.
14008 (execute_cfa_program): If context->signal_frame, execute also
14009 fs->pc == context->ra instructions.
14010 (uw_frame_state_for): If context->signal_frame, don't subtract one
14011 from context->ra to find FDE.
14012 (uw_update_context_1): Set context->signal_frame to
14014 (_Unwind_GetIPInfo): New function.
14015 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14016 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14018 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14019 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14020 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14021 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14022 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14023 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14024 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14025 x86_64_fallback_frame_state): Set fs->signal_frame.
14026 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14027 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14028 (frob_update_context): Likewise. Workaround missing S flag in
14029 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14030 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14031 Remove the psw_addr + 1 hack.
14033 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14035 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14036 with aggregates here.
14037 (find_func_aliases): Remove code for &<aggregate> from here.
14039 2006-02-26 Roger Sayle <roger@eyesopen.com>
14041 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14042 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14043 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14044 as (X & C) ne/eq 0.
14046 2006-02-26 Roger Sayle <roger@eyesopen.com>
14048 PR middle-end/19983
14049 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14051 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14053 * opts.c (decode_options): Do not handle flag_strength_reduce.
14054 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14055 and OPT_fstrength_reduce.
14056 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14057 flag_prefetch_loop_arrays for being nonzero.
14058 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14060 (fprefetch-loop-arrays-rtl): Removed.
14061 (flag_prefetch_loop_arrays): Do not specify the value.
14063 * doc/passes.texi: Update documentation of loop optimizer
14065 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14066 -frerun-loop-opt): Remove.
14068 2006-02-26 Richard Guenther <rguenther@suse.de>
14070 PR tree-optimization/26421
14071 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14072 in function calls that are ADDR_EXPRs as using the whole structure.
14074 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14076 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14077 * tree-pass.h (pass_loop_optimize): Remove.
14078 * passes.c (pass_loop_optimize): Never run it.
14079 * toplev.c (backend_init): Don't call init_loop.
14080 * opts.c (flag_loop_optimize_set): Remove.
14081 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14082 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14083 the old RTL loop optimizer when profiling enabled.
14084 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14085 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14086 pre-headers for the sake of the old RTL loop optimizer.
14087 * Makefile.in: Remove all references to loop.o.
14089 * doc/invoke.texi: Remove all references to -floop-optimize
14090 and -frerun-loop-opt.
14092 2006-02-26 Zack Weinberg <zackw@panix.com>
14094 * doc/md.texi (Machine Constraints): Refer to all files with paths
14095 relative to gcc directory (i.e. config/CPU/file). Add missing
14096 @table @code ... @end table to M32C subsection.
14098 2006-02-26 Roger Sayle <roger@eyesopen.com>
14100 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14102 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14104 2006-02-26 Roger Sayle <roger@eyesopen.com>
14105 James A. Morrison <phython@gcc.gnu.org>
14107 PR middle-end/21137
14108 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14109 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14110 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14111 signedness of the shift operation.
14113 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14115 PR tree-optimization/26359
14116 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14118 2006-02-25 Roger Sayle <roger@eyesopen.com>
14120 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14121 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14122 as X == 0, and some symmetry related transformations.
14123 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14125 2006-02-25 Roger Sayle <roger@eyesopen.com>
14127 PR middle-end/23673
14128 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14129 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14130 symmetry related transformations. Fold (X^C1) == C2 as
14133 2006-02-25 Juergen Weigert <jw@suse.de>
14134 Richard Guenther <rguenther@suse.de>
14136 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14138 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14140 * combine.c (gen_lowpart_or_truncate): Call
14141 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14143 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14145 * doc/invoke.texi: Move -fopenmp description to "Options for
14147 Remove reference to -lgomp.
14149 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14151 * doc/install.texi: Require GNU tar version 1.14.
14153 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14155 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14156 * doc/invoke.texi (C++ Dialect Options): Document
14157 -fno-use-cxa-get-exception-ptr.
14158 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14159 * configure: Regenerate.
14160 * c.opt (fuse-cxa-get-exception-ptr): New.
14161 * c-opts.c (c_common_handle_option): Handle
14162 OPT_fuse_cxa_get_exception_ptr.
14163 * c-common.c (flag_use_cxa_atexit): Update documentation.
14164 (flag_use_cxa_get_exception_ptr): New.
14165 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14166 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14168 (C_COMMON_OVERRIDE_OPTIONS): New.
14170 2006-02-24 Roger Sayle <roger@eyesopen.com>
14172 PR middle-end/24952
14173 * combine.c (try_combine): Explicitly check whether GET_CODE is
14174 a SET or a CLOBBER, instead on checking that it isn't a USE.
14176 2006-02-24 Roger Sayle <roger@eyesopen.com>
14178 * fold-const.c (fold_comparison): New subroutine of fold_binary
14179 containing transformations common to both the equality and
14180 ordering relational operators, factored out of fold_binary.
14181 (fold_binary): Separate out the equality operators (EQ_EXPR
14182 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14183 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14184 transformations common to both.
14185 (fold_div_compare): Fix latent bugs in the previously unreachable
14186 LT_EXPR and GE_EXPR cases.
14188 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14190 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14191 decl libname for clog to __clog on AIX.
14193 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14195 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14198 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14199 output traceback table for thunks. Localise rs6000_stack_info call.
14201 2006-02-23 Roger Sayle <roger@eyesopen.com>
14202 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14204 * gthr-posix.h (__gthrw): Fix typo in comment.
14206 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14208 * doc/cpp.texi (Character sets): Document that we do support
14209 input files to be in any character set.
14211 2006-02-23 Jeff Law <law@redhat.com>
14213 * tree.h (PHI_ARG_NONZERO): Remove.
14214 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14215 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14216 node to the new node.
14218 PR tree-optimization/26425
14219 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14220 min/max, then assume its varying.
14222 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14224 PR rtl-optimization/26316
14225 * rtlanal.c (enum may_trap_p_flags): New.
14226 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14227 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14228 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14229 (may_trap_after_code_motion_p): New function.
14230 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14231 (find_invariant_insn): Use may_trap_after_code_motion_p.
14232 * rtl.h (may_trap_after_code_motion_p): Declare.
14234 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14236 * emit-rtl.c (immed_double_const): Cleanup.
14238 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14240 Fix PR tree-optimization/26376
14241 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14244 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14246 PR middle-end/26412
14247 * gimplify.c (omp_add_variable): Guard variable size decl test with
14248 DECL_SIZE (decl) check.
14250 2006-02-23 Richard Guenther <rguenther@suse.de>
14252 PR middle-end/26439
14253 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14254 like aggregate types.
14256 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14258 * configure.ac: Add --with{,out}-long-double-128 configure option.
14259 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14260 * configure: Rebuilt.
14261 * config.in: Rebuilt.
14262 * doc/install.texi (Options specification): Document
14263 --with-long-double-128.
14265 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14266 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14267 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14268 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14270 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14272 * config/s390/s390.c (override_options): Handle
14273 TARGET_DEFAULT_LONG_DOUBLE_128.
14275 * config/alpha/alpha.c (override_options): Handle
14276 TARGET_DEFAULT_LONG_DOUBLE_128.
14278 * config/sparc/sparc.c (sparc_override_options): Handle
14279 TARGET_DEFAULT_LONG_DOUBLE_128.
14281 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14283 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14284 (real-install-headers-tar, real-install-headers-cpio)
14285 (real-install-headers-cp): New targets.
14287 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14289 * tree.h (variable_section): Delete.
14290 * varasm.c (variable_section): Delete.
14292 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14294 * install.texi: Add notes on install.texi2html.
14295 (Building in parallel): Do not use footnotes.
14297 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14300 * doc/install.texi (Configuration): Document --disable-libgomp.
14302 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14304 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14306 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14308 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14309 (vec_extractv2df_0_sse): New.
14311 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14313 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14314 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14315 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14316 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14317 to the result of the expression.
14318 (def_cfa_1): Adjust.
14319 (frame_pointer_cfa_offset): Rename to...
14320 (frame_pointer_fb_offset): ... this. Adjust all uses.
14321 (convert_cfa_to_loc_list): Rename to...
14322 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14323 Pass it on to build_cfa_loc.
14324 (compute_frame_pointer_to_cfa_displacement): Rename to...
14325 (compute_frame_pointer_to_fb_displacement): ... this. New
14326 offset parameter. Use it in computation.
14327 (gen_subprogram_die): Compute cfa_fb_offset with the new
14328 macro, and use it to compute the fb loc list and the
14331 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14333 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14334 replaced with register_operand.
14335 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14336 non-DREG is expensive.
14337 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14338 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14341 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14343 * doc/install.texi2html: Use set -e.
14345 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14347 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14348 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14349 * doc/invoke.texi (-fshared-data): Delete.
14350 * common.opt (fshared-data): Delete.
14351 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14352 (assemble_static_space): Remove #if 0 code.
14353 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14354 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14355 * config/cris/cris.h: Remove FIXME.
14357 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14359 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14362 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14364 PR middle-end/26379
14365 * combine.c (simplify_shift_const_1): Disable nested shifts
14366 optimization for vector shifts.
14368 2006-02-20 Roger Sayle <roger@eyesopen.com>
14370 PR tree-optimization/26361
14371 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14372 of unsigned integer types.
14374 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14376 * tree-chrec.c (eq_evolutions_p): New.
14377 * tree-chrec.h (eq_evolutions_p): Declared.
14378 * tree-data-ref.c: Fix formatting.
14379 (datadep_stats, dependence_stats): New.
14381 (print_direction_vector): New.
14382 (dump_data_dependence_relation): Use print_direction_vector.
14383 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14384 (compute_subscript_distance): Static.
14385 (initialize_data_dependence_relation): Static. Get the number
14386 of loops surrounding the references from the callers, and initialize
14387 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14388 base_object_differ_p analyzers.
14389 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14390 compute_overlap_steps_for_affine_1_2,
14391 analyze_subscript_affine_affine): Count the classified dependences.
14392 Print a message when a test failed.
14393 (can_use_analyze_subscript_affine_affine): New.
14394 (analyze_siv_subscript): Compute the data dependences on symbolic
14395 scevs that verify can_use_analyze_subscript_affine_affine.
14396 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14397 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14398 Handle symbolic scevs.
14399 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14401 (subscript_dependence_tester): Moved...
14402 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14403 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14404 DDR_SIZE_VECT instead of getting it in parameter.
14405 (subscript_dependence_tester): ... here. Take as a parameter
14406 loop_nest_depth. Call build_classic_dist_vector and
14407 build_classic_dir_vector.
14408 (compute_affine_dependence): Update subscript_dependence_tester
14409 parameters. Update datadep_stats counters. Call
14410 compute_subscript_distance.
14411 (compute_self_dependence): Save the dist and dir vectors. Call
14412 compute_subscript_distance.
14413 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14414 (compute_all_dependences): Reorder parameters as they were before
14415 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14416 compute_subscript_distance. Update the use of
14417 compute_affine_dependence and initialize_data_dependence_relation.
14418 (find_data_references_in_loop): Handle COMPONENT_REF.
14419 (compute_data_dependences_for_loop): Initialize dependence_stats.
14420 Don't call build_classic_dist_vector and build_classic_dir_vector.
14421 Update the parameters of initialize_data_dependence_relation and
14422 compute_all_dependences. Print the statistics from datadep_stats.
14423 (analyze_all_data_dependences): Static. Not used until the pass for
14424 checking the data dependences is contributed.
14425 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14426 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14427 (initialize_data_dependence_relation, compute_affine_dependence,
14428 analyze_all_data_dependences, compute_subscript_distance): Removed.
14429 (print_direction_vector): New.
14430 * lambda.h (gcd): ... here.
14431 (lambda_vector_gcd): Moved here from gcd_vector.
14432 * lambda-code.c (gcd, gcd_vector): Removed.
14433 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14434 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14436 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14438 * ipa-type-escape.c: Tidy some comments and white space.
14439 * tree-ssa-operands.c: Likewise.
14441 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14444 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14445 (dump_decl_name): Do not walk the decl tree chains.
14446 * tree-pass.h (TDF_CHAIN): Remove.
14448 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14450 * Makefile.in (C): Remove
14452 (.PHONY): Remove C and PROTO
14454 2006-02-20 Roger Sayle <roger@eyesopen.com>
14456 PR middle-end/26236
14457 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14458 deprecated CHAR_TYPE tree code.
14460 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14462 * configure.ac (target_list): Add install-info, dvi, html.
14463 * configure: Regenerate.
14465 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14466 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14467 treelang/Make-lang.in: Do not use double-colon rules.
14469 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14471 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14472 (TMT_USED_ALONE): New macro.
14473 * tree-pass.h (PROP_tmt_usage): New property.
14474 (TODO_update_tmt_usage): New todo.
14475 * tree-ssa-alias.c (updating_used_alone): New variable.
14476 (recalculate_used_alone): New function.
14477 (compute_may_aliases): Set updating_used_alone, call
14478 recalculate_used_alone.
14479 * tree-sra.c (pass_sra): Note that this pass destroys
14480 PROP_tmt_usage, and add TODO_update_tmt_usage.
14481 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14482 * tree-flow.h (updating_used_alone): Prototype.
14483 (recalculate_used_alone): Ditto.
14484 * passes.c (execute_todo): Add code to set updating_used_alone,
14485 and call recalculate.
14486 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14487 for clobber if used alone, and add assert to verify used_alone
14490 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14492 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14493 for non tls symbols added.
14494 (legitimize_address): Do nothing for PLUS expressions if one of the
14495 addends is a tls symbol reference.
14497 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14501 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14503 * Makefile.in (BOOTSTRAPPING): New.
14504 (quickstrap): New definition if BOOTSTRAPPING=yes.
14506 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14507 * configure.ac: Substitute all_selected_languages with the languages
14508 that were configured. For all the other variables except
14509 lang_specs_files, include all the languages in the tree.
14510 * configure: Regenerate.
14512 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14513 if there is one. Run the commands to run fixincludes in the same
14516 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14517 * doc/install.texi: Document exact conventions for searching target tools.
14518 Document --with-build-time-tools. Document toplevel bootstrap. Document
14519 something more about building an Ada cross-compiler. Don't list GNU Make
14520 requirements which affect all platforms.
14522 2006-02-19 Roger Sayle <roger@eyesopen.com>
14524 PR middle-end/19543
14525 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14526 only equivalent if the have both the same mode and precision.
14528 2006-02-20 Ben Elliston <bje@au.ibm.com>
14530 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14532 2006-02-19 Roger Sayle <roger@eyesopen.com>
14533 Steven Bosscher <stevenb.gcc@gmail.com>
14535 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14536 constant pool references to identify stack mode constants.
14537 * rtlanal.c (constant_pool_constant_p): New predicate to check
14538 whether operand is a floating point constant in the pool.
14539 * rtl.h (constant_pool_constant_p): Prototype here.
14540 * loop.c (scan_loop): Avoid hoisting constants from the constant
14541 pool on STACK_REGS targets.
14542 (load_mems): Likewise.
14543 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14544 loads into x87 registers expensive in terms of register pressure.
14546 2006-02-19 Roger Sayle <roger@eyesopen.com>
14548 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14549 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14551 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14553 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14554 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14556 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14558 * doc/invoke.texi: Document -fipa-pta.
14559 * common.opt: Add ipa-pta option.
14560 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14561 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14562 (do_ds_constraint): Ditto.
14563 (get_constraint_for): Only add to referenced_vars if
14564 referenced_vars exists.
14565 (insert_into_field_list): Rewrite to do this unsorted.
14566 (insert_into_field_list_sorted): Rename old insert_into_field_list
14568 (create_function_info_for): Use insert_into_field_list_sorted.
14569 (create_variable_info_for): Rewrite so it uses unsorted version,
14570 since the field list is sorted.
14571 (intra_create_variable_infos): Only add to referenced_vars if
14572 referenced_vars exists.
14573 (ipa_pta_execute): Init heapvars, and delete when done.
14574 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14576 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14578 * doc/install.texi: Add missing `@samp'.
14580 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14582 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14585 2006-02-18 Mark Wielaard <mark@klomp.org>
14587 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14588 who added new 4.1 features, bug fixes and integration support.
14590 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14593 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14594 MEM for ABI_V4 pic.
14596 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14598 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14599 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14600 (copy_insn_1): Likewise. Don't copy each field individually.
14602 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14604 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14605 * rtl.c (rtx_size): Rename variable to...
14606 (rtx_code_size): ...this.
14607 (rtx_size): New function.
14608 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14609 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14611 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14612 * rtl.h (rtx_code_size): New variable.
14613 (rtx_size): Change from a variable to a function.
14614 (RTX_SIZE): Rename to...
14615 (RTX_CODE_SIZE): ...this.
14618 PR tree-optimization/17106
14619 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14620 (Anchored Addresses): New section.
14621 * doc/invoke.texi (-fsection-anchors): Document.
14622 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14623 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14624 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14625 * hooks.c (hook_bool_mode_rtx_false): New function.
14626 * hooks.h (hook_bool_mode_rtx_false): Declare.
14627 * gengtype.c (create_optional_field): New function.
14628 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14629 SYMBOL_REF_IN_BLOCK_P is true.
14630 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14631 (min_anchor_offset, max_anchor_offset): Likewise.
14632 (use_anchors_for_symbol_p): New hook.
14633 * toplev.c (compile_file): Call output_object_blocks.
14634 (target_supports_section_anchors_p): New function.
14635 (process_options): Check that -fsection-anchors is only used on
14636 targets that support it and when -funit-at-a-time is in effect.
14637 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14638 if the decl doesn't have one.
14639 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14640 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14641 of force_const_mem through use_anchored_address.
14642 (expand_expr_constant): New function.
14643 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14644 calling expand_expr for INDIRECT_REF.
14645 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14646 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14647 * expr.h (use_anchored_address): Declare.
14648 * loop-unroll.c: Don't declare rtx vectors here.
14649 * explow.c: Include output.h.
14650 (validize_mem): Call use_anchored_address.
14651 (use_anchored_address): New function.
14652 * common.opt (-fsection-anchors): New switch.
14653 * varasm.c (object_block_htab, anchor_labelno): New variables.
14654 (hash_section, object_block_entry_eq, object_block_entry_hash)
14655 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14656 (use_blocks_for_decl_p, change_symbol_section): New functions.
14657 (get_variable_section): New function, split out from assemble_variable.
14658 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14659 use_blocks_for_decl_p say so. Use change_symbol_section if the
14660 symbol has already been created.
14661 (assemble_variable_contents): New function, split out from...
14662 (assemble_variable): ...here. Don't output any code for
14663 block symbols; just pass them to place_block_symbol.
14664 Use get_variable_section and assemble_variable_contents.
14665 (get_constant_alignment, get_constant_section, get_constant_size): New
14666 functions, split from output_constant_def_contents.
14667 (build_constant_desc): Create a block symbol if use_object_blocks_p
14668 says so. Or into SYMBOL_REF_FLAGS.
14669 (assemble_constant_contents): New function, split from...
14670 (output_constant_def_contents): ...here. Don't output any code
14671 for block symbols; just pass them to place_section_symbol.
14672 Use get_constant_section and get_constant_alignment.
14673 (force_const_mem): Create a block symbol if use_object_blocks_p and
14674 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14675 (output_constant_pool_1): Add an explicit alignment argument.
14676 Don't switch sections here.
14677 (output_constant_pool): Adjust call to output_constant_pool_1.
14678 Switch sections here instead. Don't output anything for block symbols;
14679 just pass them to place_block_symbol.
14680 (init_varasm_once): Initialize object_block_htab.
14681 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14682 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14683 (place_block_symbol, get_section_anchor, output_object_block)
14684 (output_object_block_htab, output_object_blocks): New functions.
14685 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14686 (TARGET_ASM_OUT): Include it.
14687 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14688 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14689 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14690 (TARGET_INITIALIZER): Include them.
14691 * rtl.c (rtl_check_failed_block_symbol): New function.
14692 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14693 (block_symbol, object_block): New structures.
14694 (rtx_def): Add a block_symbol field to the union.
14695 (BLOCK_SYMBOL_CHECK): New macro.
14696 (rtl_check_failed_block_symbol): Declare.
14697 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14698 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14699 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14700 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14701 * output.h (output_section_symbols): Declare.
14702 (object_block): Name structure.
14703 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14704 (default_use_anchors_for_symbol_p): Declare.
14705 * Makefile.in (RTL_BASE_H): Add vec.h.
14706 (explow.o): Depend on output.h.
14707 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14708 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14709 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14710 (rs6000_use_blocks_for_constant_p): New function.
14712 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14714 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14716 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14719 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14722 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14724 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14728 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14730 PR middle-end/26334
14731 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14732 instead of DECL_REGISTER.
14734 2006-02-18 Olivier Hainque <hainque@adacore.com>
14737 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14739 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14742 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14743 * opth-gen.awk: Handle Var and InverseMask together.
14744 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14745 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14746 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14747 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14749 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14750 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14751 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14752 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14753 LINUX_DYNAMIC_LINKER): Define.
14754 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14755 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14757 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14758 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14759 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14760 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14761 (TARGET_C99_FUNCTIONS): Don't define.
14762 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14763 GLIBC_DYNAMIC_LINKER.
14764 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14765 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14766 GLIBC_DYNAMIC_LINKER64): Define.
14767 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14768 LINUX_DYNAMIC_LINKER64.
14769 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14770 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14771 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14772 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14773 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14774 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14775 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14776 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14777 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14778 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14779 and LINUX_DYNAMIC_LINKER32.
14780 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14781 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14782 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14783 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14784 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14786 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14787 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14788 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14789 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14790 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14791 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14792 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14793 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14794 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14795 LINUX_DYNAMIC_LINKER): Define.
14796 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14797 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14798 GLIBC_DYNAMIC_LINKER64): Define.
14799 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14800 LINUX_DYNAMIC_LINKER64.
14801 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14802 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14803 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14804 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14805 LINUX_DYNAMIC_LINKER): Define.
14806 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14807 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14808 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14809 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14810 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14811 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14812 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14813 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14814 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14815 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14816 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14817 * doc/invoke.texi (-muclibc): Remove caveat about supported
14820 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14822 * doc/cpp.texi (__TIMESTAMP__): Document.
14824 2006-02-17 Roger Sayle <roger@eyesopen.com>
14826 PR middle-end/25600
14827 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14828 C is one less than the width of X (and related transformations).
14829 * simplify-rtx.c (simplify_unary_operation_1): Transform
14830 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14831 depending on STORE_FLAG_VALUE, were C is one less then the
14834 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14836 Fix PR tree-optimization/26341
14837 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14838 about NAME_MEMORY_TAG's.
14840 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14843 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14844 with hardware float support, and software float support. Add fcpy
14845 alternative to hardware patterns. Add alternatives to copy between
14846 general and floating-point registers to the 32-bit pattern.
14847 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14848 secondary reload to load a QI or HI mode constant into a floating
14850 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14851 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14853 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14856 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14858 (load_macho_picbase_di): Likewise.
14860 2006-02-16 Jeff Law <law@redhat.com>
14862 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14863 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14864 (ssa_name_nonzero_p): Likewise.
14865 (get_value_range): Return NULL if VRP is not running.
14866 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14867 VRP routines do not discover a range.
14868 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14869 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14870 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14871 (tree_expr_nonnegative_p): Similarly.
14872 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
14873 (restore_nonzero_vars_to_original_value): Remove.
14874 (unsafe_associative_fp_binop): Remove.
14875 (tree_ssa_dominator_optimize): Remove initialization and
14876 finalization of nonzero_vars and nonzero_vars_stack.
14877 (dom_opt_initialize_block): No longer push marker on
14878 nonzero_vars_stack.
14879 (dom_opt_finalize_block): No longer call
14880 restore_nonzero_vars_to_original_value.
14881 (record_equivalences_from_phis): No longer look for
14882 nonzero PHI arguments.
14883 (cprop_into_successor_phis): No longer propagate nonzero
14884 property into PHI arguments. Lose unused argument. Caller
14886 (record_equivalences_from_stmt): No longer record nonzero
14887 values for SSA_NAMEs.
14888 (lookup_avail_expr): No longer use nonzero_vars.
14890 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
14891 for sizetype when sizetype is unsigned.
14893 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
14895 PR rtl-optimization/25603
14896 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
14897 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
14898 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
14899 with new meaning of SETS.
14901 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
14906 * config/linux.opt: New file.
14907 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
14908 LINUX_DYNAMIC_LINKER): Define.
14909 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
14910 * config.gcc (*-*-linux*): Define extra_options.
14911 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
14912 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
14913 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
14914 GLIBC_DYNAMIC_LINKER.
14915 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
14916 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14917 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14918 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14919 * doc/invoke.texi (GNU/Linux Options): New section.
14921 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
14923 * config/sparc/sparc.md (setjmp): Rewrite.
14924 (setjmp_32): Delete.
14925 (setjmp_64): Likewise.
14927 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
14929 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
14932 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14934 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
14937 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
14939 PR rtl-optimization/26296
14940 * Makefile.in (loop-invariant.c): Add except.h dependency.
14941 * loop-invariant.c: Include except.h.
14942 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
14944 2005-02-16 Paul Brook <paul@codesourcery.com>
14946 * reload1.c (emit_reload_insns): Invalidate dead input registers used
14949 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
14951 PR rtl-optimization/25636
14952 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
14953 when deciding whether an insn is an initializing insn.
14955 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
14957 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
14958 (tree_code_size): Ditto.
14959 * tree.h (struct tree_memory_tag): Remove parent_var.
14960 (struct tree_struct_field_tag): New.
14963 (union tree_node): Add sft member.
14964 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
14966 (create_sft): Add size and offset argument, set SFT_OFFSET and
14968 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
14969 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
14970 * tree-flow-inline.h (get_subvar_at): Update for
14971 SFT_OFFSET/SFT_SIZE.
14972 (var_can_have_subvars): Ditto.
14973 (overlap_subvar): Ditto.
14974 * print-tree.c (print_node): Print out interesting things for
14976 * tree-flow.h (struct subvar): Remove offset and size members.
14977 * tree-ssa-operands.c (get_expr_operands): Update for
14978 get_indirect_ref_operands changes.
14979 (get_indirect_ref_operands): Call add_virtual_operand instead of
14980 add_stmt_operand. Only recurse on base var if requested.
14981 (access_can_touch_variable): New function.
14982 (add_stmt_operand): Split virtual operand handling into ...
14983 (add_virtual_operand): Here. Add offset, size, and for_clobber
14984 arguments. Prune alias sets.
14985 (add_call_clobber_ops): Call add_virtual_operand.
14987 2006-02-15 Jakub Jelinek <jakub@redhat.com>
14989 PR middle-end/26300
14990 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
14992 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
14993 than TREE_CODE as index into omp_clause_num_ops array.
14995 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
14997 PR rtl-optimization/26184
14998 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15000 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15001 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15002 must_precede, must_follow and tobe_scheduled.
15005 * opts.c (common_handle_option): Free new_option pointer.
15006 * df-core.c (df_analyze): Free postorder pointer.
15008 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15010 * Makefile.in: Fix the examples about the use of stamps
15012 2006-02-15 Michael Matz <matz@suse.de>
15014 PR middle-end/22275
15016 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15017 influenced by maximum_field_alignment or DECL_PACKED.
15018 (update_alignment_for_field): Ditto.
15019 (place_field): Ditto.
15020 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15023 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15025 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15026 (debug_flow_info): Pass it.
15027 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15028 * bb-reorder.c (reorder_basic_blocks): Likewise.
15029 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15030 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15031 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15032 * gcse.c (gcse_main, bypass_jumps): Likewise.
15033 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15034 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15035 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15036 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15037 * rtl.h (dump_flow_info): Adjust prototype.
15038 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15039 * var-tracking.c (variable_tracking_main): Likewise.
15040 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15041 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15044 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15046 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15049 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15051 PR tree-optimization/26209
15052 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15053 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15055 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15057 2006-02-14 Roger Sayle <roger@eyesopen.com>
15059 PR middle-end/23670
15060 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15061 (X,Y) and the corresponding symmetry related transformations.
15062 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15063 (X,Y) and its symmetry related transformations.
15065 2006-02-14 Roger Sayle <roger@eyesopen.com>
15067 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15070 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15072 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15074 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15077 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15078 support COMDAT group.
15079 * configure: Regenerate.
15081 2006-02-14 Roger Sayle <roger@eyesopen.com>
15083 PR middle-end/26279
15084 PR middle-end/26280
15085 PR middle-end/26283
15086 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15088 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15090 Fix PR tree-optimization/26260
15092 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15094 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15095 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15096 * tree-ssa-structalias.c (create_variable_info_for): Use
15097 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15099 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15101 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15103 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15104 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15105 of the ending condition.
15106 * tree-ssa-loop-manip.c: Include params.h.
15107 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15108 tree_unroll_loop): New functions.
15109 * tree-pass.h (pass_loop_prefetch): Declare.
15110 * loop.c (rest_of_handle_loop_optimize): Test for
15111 -fprefetch-loop-arrays-rtl.
15112 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15113 * timevar.def (TV_TREE_PREFETCH): New timevar.
15114 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15115 pass_loop_prefetch): New.
15116 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15117 (cleanup_tree_cfg_loop): Call scev_reset.
15118 * common.opt (fprefetch-loop-arrays-rtl): Add.
15119 * tree-ssa-loop-prefetch.c: New file.
15120 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15121 (new_temp_expr_table): Initialize expr_vars.
15122 (free_temp_expr_table): Cleanup expr_vars.
15123 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15124 expressions from being merged into one.
15125 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15126 (struct tree_niter_desc): Add control, bound and cmp fields.
15127 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15129 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15130 (tree-cfgcleanup.o): Add SCEV_H dependency.
15131 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15132 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15134 2006-02-14 Richard Guenther <rguenther@suse.de>
15136 PR tree-optimization/26258
15137 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15138 in PHI argument processing.
15140 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15142 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15143 new expression in the requested machine mode.
15145 2006-02-13 Roger Sayle <roger@eyesopen.com>
15147 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15148 directly, instead let do_compare_rtx_and_jump handle this for us.
15149 * expr.c (expand_expr_real_1): Likewise.
15150 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15151 before do_jump_by_parts_greater.
15152 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15153 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15155 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15157 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15159 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15161 PR rtl-optimization/26235
15162 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15163 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15166 2006-02-13 Jeff Law <law@redhat.com>
15168 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15171 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15173 PR middle-end/26092
15174 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15175 twice if decl is a builtin. When trying again, call get_callee_fndecl
15176 first to verify it is still a builtin.
15178 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15180 * dwarf2out.c (base_type_die): Don't add AT_name here.
15181 (subrange_type_die): Don't add AT_name here.
15182 (modified_type_die): Rearrange code flow. Do add AT_name here.
15184 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15186 PR rtl-optimization/26247
15187 PR rtl-optimization/26248
15188 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15190 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15192 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15193 * config/fixtfdi.c: Likewise.
15194 * config/fixunstfdi.c: Likewise.
15195 * config/floatditf.c: Likewise.
15197 2006-02-13 Roger Sayle <roger@eyesopen.com>
15199 PR middle-end/24427
15200 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15201 into (X,C2) if C1 is a subset of the bits of C2. Transform
15202 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15204 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15206 2006-02-13 Josh Conner <jconner@apple.com>
15209 * varasm.c (function_section): Check for section name before
15210 calling select_section on targets that define
15211 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15212 unlikely_text_section instead of hot_function_section if
15213 first_function_block_is_cold.
15215 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15217 PR middle-end/25335
15218 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15220 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15222 PR rtl-optimization/26222
15223 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15224 after tree->rtl expansion.
15225 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15226 before passing it to emit_move_insn.
15228 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15230 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15232 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15233 Clarify documentation.
15234 * c-common.h (warn_write_strings): Remove.
15235 * c-common.c (warn_write_strings): Likewise.
15236 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15239 2006-02-12 Roger Sayle <roger@eyesopen.com>
15241 PR middle-end/25724
15242 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15243 (do_jump_parts_zero_rtx): New function renamed from
15244 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15245 (do_jump_parts_equality_rtx): New function split out from
15246 do_jump_parts_equality. Old implementation renamed as above.
15247 Call do_jump_parts_zero_rtx if either operand is zero.
15248 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15249 do all of the heavy lifting.
15250 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15251 calling either do_jump_by_parts_greater_rtx or
15252 do_jump_by_parts_equality_rtx.
15253 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15254 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15255 moved to do_compare_rtx_and_jump, call it directly.
15256 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15257 mode argument. Call do_compare_rtx_and_jump.
15258 (emit_case_nodes): Update calls to do_jump_if_equal.
15260 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15262 PR rtl-optimization/26225
15263 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15265 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15267 PR rtl-optimization/26232
15268 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15270 2006-02-11 Jason Merrill <jason@redhat.com>
15273 * tree-inline.c (declare_return_variable): Just don't use the
15274 modify target if it's a gimple complex reg and the return slot
15277 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15279 * doc/contrib.texi: Update my entry.
15281 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15283 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15285 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15287 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15290 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15292 * doc/invoke.texi (-floop-optimize2): Removed.
15293 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15294 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15295 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15296 * common.opt (floop-optimize2): Removed.
15297 (fmove-loop-invariants): Enabled by default.
15299 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15301 * tree-if-conv.c (combine_blocks): Free the result of
15302 get_loop_exit_edges.
15304 2006-02-10 Jeff Law <law@redhat.com>
15306 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15308 PR tree-optimization/26213
15309 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15310 loop trying to follow SSA_NAME_VALUE chains.
15312 2006-02-10 Richard Guenther <rguenther@suse.de>
15314 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15315 deal with structures that end in implicitly variable sized arrays.
15317 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15319 PR rtl-optimization/24762
15320 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15323 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15325 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15326 (struct ivopts_data): Add regs_used field.
15327 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15328 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15329 instead of loop_data->regs_used;
15330 (free_loop_data): Do not free aux fields for loops.
15331 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15332 and tree_ssa_iv_optimize_finalize.
15334 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15336 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15338 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15341 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15342 computing the effective result type.
15344 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15346 PR inline-asm/16194
15347 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15348 (tree_overlaps_hard_reg_set): Declare.
15349 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15350 type and signature to match function type expected by walk_tree.
15351 (tree_overlaps_hard_reg_set): New function.
15352 (decl_conflicts_with_clobbers_p): Rename to:
15353 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15354 Use tree_overlaps_hard_reg_set. Changed caller.
15355 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15356 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15357 * cris.c (cris_md_asm_clobbers): Likewise.
15359 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15361 * reload1.c (emit_input_reload_insns): Delete code that tries to
15362 inherit using find_equiv_reg.
15364 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15366 * c-common.h (flag_const_strings): Don't declare.
15367 * c-common.c (flag_const_strings): Remove.
15368 * c.opt (fconst_strings): Remove.
15369 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15370 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15371 (c_common_init_options): Don't set flag_const_strings.
15372 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15374 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15376 * arm.md (tlobits_cbranch): New pattern.
15377 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15378 testing a single bit.
15380 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15383 * tree-ssa-pre.c (create_component_ref_by_pieces):
15384 Handle RETURN_DECL like VAR_DECL.
15386 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15388 PR middle-end/26134
15389 * fold-const.c (fold_indirect_ref_1): Fold
15390 "*(foo *)&complexfoo" to "__real__ complexfoo"
15391 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15393 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15395 * tree-flow-inline.h (var_can_have_subvars):
15396 Volatile variables should not have subvariables.
15398 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15401 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15402 multiplying unsigned values.
15405 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15407 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15409 2006-02-08 Jason Merrill <jason@redhat.com>
15412 * tree.def: Elaborate on difference from MODIFY_EXPR.
15413 * doc/c-tree.texi (INIT_EXPR): Likewise.
15414 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15415 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15416 (gimplify_target_expr): Likewise.
15417 (gimplify_cond_expr): Remove target handling.
15418 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15419 (gimplify_expr): Clobber it here.
15420 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15421 Do return slot optimization if we have an INIT_EXPR.
15424 * tree-inline.c (declare_return_variable): Also clear
15425 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15428 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15430 PR middle-end/22439
15431 * gimplify.c (gimplify_one_sizepos): Fix typo.
15433 2006-02-08 Jeff Law <law@redhat.com>
15435 PR tree-optimization/21417
15436 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15437 across a backedge if the control statement at the end of the
15438 block is data dependent on other statements in the same block.
15439 (record_temporary_equivalences_from_stmts): Remove over-conservative
15440 test for threading across backedges.
15442 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15443 control statement, handle all three special cases in the same
15444 manner as they all have the same desired solution. No longer
15445 special case edge flag updating when the post dominator is
15448 2006-02-08 Roger Sayle <roger@eyesopen.com>
15450 * tree.def (CHAR_TYPE): Remove.
15451 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15452 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15453 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15454 (gen_string_type_die): Delete unreachable function.
15456 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15457 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15458 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15459 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15460 * builtins.c (type_to_class): Likewise.
15461 * fold-const.c (fold_convert, build_range_check,
15462 merge_ranges): Likewise.
15463 * expr.c (count_type_elements): Likewise.
15464 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15465 * stor-layout.c (layout_type): Likewise.
15466 * ipa-type-escape.c (type_to_consider): Likewise.
15467 * gimplify.c (omp_firstprivatize_type_sizes,
15468 gimplify_type_sizes): Likewise.
15469 * explow.c (promote_mode): Likewise.
15470 * tree-sra.c (is_sra_scalar_type): Likewise.
15471 * varasm.c (output_constant): Likewise.
15472 * tree-inline.c (remap_type_1): Likewise.
15473 * convert.c (convert_to_pointer, convert_to_real,
15474 convert_to_integer, convert_to_complex): Likewise.
15476 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15478 * df-scan.c (df_def_record_1): A set destination may
15479 be a parallel regardless of mode.
15481 2006-02-08 Roger Sayle <roger@eyesopen.com>
15484 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15485 * config/mips/_tilib.c: Remove.
15486 * config/fixtfdi.c: New libgcc source file.
15487 * config/fixunstfdi.c: New source file.
15488 * config/floatditf.c: New source file.
15489 * config/floatunditf.c: New souce file.
15490 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15491 files above instead of config/mips/_tilib.c.
15492 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15494 2006-02-08 Jeff Law <law@redhat.com>
15496 PR tree-optimization/26169
15497 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15500 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15502 * df.h (DF_REG_SIZE): Return the length of the initialized
15505 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15507 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15508 __muldf3): Return a correctly signed zero.
15510 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15512 * passes.c (register_one_dump_file): Accept the current properties
15513 instead of pass number. Adjust call to dump_register. Remove
15515 (register_dump_files): Now a wrapper around...
15516 (register_dump_files_1): ... this one. Do not modify the pass
15518 (next_pass_1): Cosmetic fix.
15519 (execute_todo): Keep second parameter only. Use curr_properties
15520 instead of fetching it from the pass structure. Check and set
15522 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15523 instead of fetching it from the pass structure. Fix calls to
15524 execute_todo. Update curr_properties and initialize .vcg RTL dump
15525 after running the pass. Reset last_verified.
15526 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15528 (FIRST_AUTO_NUMBERED_DUMP): New.
15529 (dump_register): Remove "num" parameter, assign it within the
15531 (get_dump_file_name): Modify template for dumps.
15532 * tree-dump.h (dump_register): Adjust prototype.
15533 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15534 (PROP_trees): Add PROP_gimple_lomp.
15535 (TODO_set_props): New.
15536 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15537 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15538 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15540 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15542 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15543 (sparc64-*-linux*): Likewise.
15544 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15545 * config/sparc/t-linux: New file.
15546 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15547 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15548 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15549 -m32 -mlong-double-128.
15551 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15552 * config/alpha/t-linux: New file.
15553 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15555 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15556 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15557 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15558 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15559 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15560 (CPP_ARCH32_SPEC): Remove.
15562 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15564 PR tree-optimization/26145
15565 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15568 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15571 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15572 >= 240000 when generating code for SOM runtime.
15573 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15574 to $$dyncall when generating code for SOM runtime..
15576 2006-02-07 Dirk Mueller <dmueller@suse.com>
15579 * doc/invoke.texi (-Wsequence-point): Update documentation
15580 that -Wsequence-point is implemented for C++ as well.
15582 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15584 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15585 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15586 (LIB_SPEC): Likewise.
15587 * doc/invoke.texi (SPARC options): Document -pthread.
15589 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15591 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15594 2006-02-07 Roger Sayle <roger@eyesopen.com>
15596 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15597 Correct comment describing BOOLEAN_TYPE.
15599 2006-02-07 Dirk Mueller <dmueller@suse.com>
15601 * c.opt: C++ frontend supports -Wdiv-by-zero.
15602 * c-opts.c (c_common_handle_option): Remove dead case.
15604 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15606 * configure.ac (TLS assembler check): Do not enable TLS by
15607 default on SPARC/Solaris before version 10.
15608 * configure: Regenerate.
15610 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15612 * doc/invoke.texi (xl-compat): Document conversion and support
15615 2006-02-07 Jeff Law <law@redhat.com>
15617 * tree-vrp.c (find_conditional_asserts): Update comments.
15618 (simplify_stmt_for_jump_threading): New.
15619 (identify_jump_threads, finalize_jump_threads): New.
15620 (vrp_finalize): Call identify_jump_threads.
15621 (execute_vrp): Call finalize_jump_threads.
15622 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15623 (vrp_element, vrp_data, vrp_element_p): Remove.
15624 (vrp_hash_elt, vrp_variables_stack): Remove.
15625 (vrp_hash, vrp_eq, record_range): Remove.
15626 (simplify_cond_and_lookup_avail_expr): Remove.
15627 (extract_range_from_cond): Remove.
15628 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15629 (simplify_stmt_for_jump_threading): New.
15630 (dom_thread_across_edge): New wrapper.
15631 (tree_ssa_dominator_optimize): No longer initialize or
15632 finalize any of the VRP datastructures. Remove iteration
15633 step and simplify as a result of removal of iteration step.
15634 (pass_dominator): Perform a cfg cleanup after DOM.
15635 (dom_opt_finalize_block): Use the new common routines
15636 for threading jumps. Simplify stack management slightly.
15637 No longer need to unwind VRP state.
15638 (record_equivalences_from_incoming_edge): No longer record
15640 (eliminate_redundant_computations): No longer call
15641 simplify_cond_and_lookup_avail_expr.
15642 * tree-flow.h (potentially_threadable_block): Prototype.
15643 (thread_across_edge): Likewise.
15644 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15645 (tree-ssa-threadedge.o): Add dependencies.
15646 * tree-ssa-threadedge.c: New file.
15647 * passes.c (init_optimization_passes): Merge PHIs before
15648 calling VRP. Run VRP again late in the SSA optimization pipeline.
15650 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15652 * df-core.c (df_set_blocks): Do not dereference function pointers.
15653 (df_finish1): Likewise.
15654 (df_hybrid_search_forward): Likewise.
15655 (df_hybrid_search_backward): Likewise.
15656 (df_iterative_dataflow): Likewise.
15657 (df_analyze_problem): Likewise.
15658 (df_compact_blocks): Likewise.
15659 (df_dump): Likewise.
15660 * df-scan.c (df_rescan_blocks): Likewise.
15661 (df_record_entry_block_defs): Likewise.
15663 * genconditions.c (write_conditions): Guard the definition of
15664 'insn_conditions' with the check on GCC version.
15665 (write_writer): Guard the traversal 'insn_conditions' with
15666 the check on GCC version.
15668 2006-02-07 Richard Guenther <rguenther@suse.de>
15672 2006-01-30 Richard Guenther <rguenther@suse.de>
15674 * gimplify.c (gimplify_target_expr): Handle easy cases
15675 without creating a temporary.
15677 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15679 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15680 use of float in probability computations. Use edge probabilities
15681 in place of statically computed probabilities.
15682 (min_spec_prob): New static variable.
15683 (schedule_insns): Initialize it.
15684 (GET_SRC_PROB): Removed.
15685 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15687 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15690 * config/ia64/unwind-ia64.c: Revert last change.
15691 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15692 (INCOMING_FRAME_SP_OFFSET): Define.
15694 2006-02-06 Roger Sayle <roger@eyesopen.com>
15696 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15698 2006-02-07 Ben Elliston <bje@au.ibm.com>
15700 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15701 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15702 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15703 (ix86_return_in_memory): Handle TDmode.
15704 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15705 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15707 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15709 * reorg.c (dbr_schedule): Use dump_file instead of file.
15711 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15714 * config/ia64/predicates.md (extr_len_operand): New predicate.
15715 * config/ia64/ia64.md (extv): Tighten constraints.
15717 (*tbit_and_2): Ditto.
15718 (*tbit_and_3): Ditto.
15719 (*tbit_or_2): Ditto.
15720 (*tbit_or_3): Ditto.
15721 (*bit_zero): Ditto.
15724 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15727 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15729 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15731 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15732 loop_optimizer_init and loop_optimizer_finalize
15733 * tree-ssa-sink.c (execute_sink_code): Ditto.
15734 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15735 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15736 tree_ssa_loop_done): Ditto.
15737 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15738 * sched-ebb.c: Include output.h.
15739 (schedule_ebbs): Do not use dump argument.
15740 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15741 * loop.c (loop_dump_stream): Removed.
15742 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15744 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15745 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15746 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15747 loop_iterations, strength_reduce, record_biv, record_giv,
15748 final_giv_value, check_final_value, check_ext_dependent_givs,
15749 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15750 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15751 dump_file instead of loop_dump_stream.
15752 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15753 argument dump_file.
15754 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15756 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15757 * haifa-sched.c: Include output.h
15758 (schedule_insns, sched_init): Do not use dump argument.
15759 * mode-switching.c (optimize_mode_switching): Ditto.
15760 * modulo-sched.c (stats_file): Removed.
15761 (print_node_sched_params): Do not call argument dump_file.
15762 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15763 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15765 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15767 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15768 rtl_loop_init, rtl_loop_done): Ditto.
15769 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15770 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15772 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15773 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15774 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15775 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15776 * emit-rtl.c (renumber_insns): Ditto.
15777 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15778 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15779 * regclass.c (regclass): Ditto.
15780 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15781 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15782 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15783 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15785 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15786 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15788 * gcse.c (gcse_file, debug_stderr): Removed.
15789 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15790 rest_of_handle_gcse): Do not use dump argument.
15791 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15792 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15793 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15794 compute_code_hoist_vbeinout, compute_code_hoist_data,
15795 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15796 compute_store_table, build_store_vectors, insert_insn_start_bb,
15797 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15798 store_motion): Use dump_file instead of gcse_file.
15799 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15800 * profile.c (profile_dump_file): Removed.
15801 (branch_prob): Use dump_file instead of profile_dump_file.
15802 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15804 * tree-ssa-copy.c (dump_copy_of): Ditto.
15805 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15806 dump file to life_analysis.
15807 * bt-load.c (branch_target_load_optimize): Ditto.
15808 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15810 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15811 regclass, dbr_schedule): Declaration changed.
15812 * sched-int.h (sched_init): Declaration changed.
15813 * tree-profile.c (tree_profile_dump_file): Removed.
15814 (tree_profile_hooks): Removed profile_dump_file hook.
15815 * rtl-profile (rtl_profile_dump_file): Removed.
15816 (rtl_profile_hooks): emoved profile_dump_file hook.
15817 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15819 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15820 * tree-cfg.c (build_tree_cfg): Ditto.
15821 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15822 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15823 Declaration changed.
15824 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15825 life_analysis and schedule_insns.
15826 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15828 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15830 * config/mips/mips.c (mips_reorg): Ditto.
15831 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15834 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15836 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15837 (s390_mangle_fundamental_type): New.
15838 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15841 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15842 (alpha_mangle_fundamental_type): New.
15843 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15846 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15848 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15850 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15851 (sparc_mangle_fundamental_type): New.
15853 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15855 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15856 (s390x-*-linux*): Likewise.
15857 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15858 * config/s390/t-linux: New file.
15860 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15862 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15863 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15865 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15867 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15868 (ANTIC_SAFE_LOADS): New macro.
15869 (find_or_generate_expression): Add prototype.
15870 (set_contains_value): Allow null set for sake of not always having
15871 to allocate ANTIC_SAFE_LOADS.
15872 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
15873 Allow COMPONENT_REF too.
15874 (valid_in_set): Allow COMPONENT_REF.
15875 Check ANTIC_SAFE_LOADS too.
15876 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
15877 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
15879 (can_PRE_operation): Add COMPONENT_REF.
15880 (create_component_ref_by_pieces): New function.
15881 (create_expression_by_pieces): Use create_component_ref_by_pieces.
15882 (insert_aux): Move AGGREGATE_TYPE_P check here.
15883 (compute_avail): Set bb local stmt uids.
15884 (pass_pre): Use TODO_update_ssa_only_virtuals.
15886 2006-02-06 Ben Elliston <bje@au.ibm.com>
15888 * configure.ac: Unconditionally disable decimal float by default.
15889 * configure: Regenerate.
15891 2006-02-06 Ben Elliston <bje@au.ibm.com>
15893 * read-rtl.c (read_name): Terminate reading on EOF.
15895 2006-02-06 Ben Elliston <bje@au.ibm.com>
15897 * dfp.c (decimal_real_arithmetic): Change second argument type
15898 from int to enum tree_code. Do not always return true, but now
15899 return result of any call to decimal_do helper functions.
15900 * dfp.h (decimal_real_arithmetic): Update prototype.
15902 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
15904 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
15906 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
15909 * tree-cfg.c (cleanup_dead_labels): Also don't remove
15912 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15914 * tree-vrp.c (cfg_loops): Removed.
15915 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
15916 Use current_loops instead of cfg_loops. Pass flags to
15917 loop_optimizer_init.
15918 * cfgloopmanip.c (fix_loop_structure): Update only available
15920 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
15921 loop_optimizer_init.
15922 * modulo-sched.c (build_loops_structure): Removed.
15923 (sms_schedule): Use loop_optimizer_init.
15924 * loop-init.c (loop_optimizer_init): Use flags to determine
15925 which properties of loops to prepare.
15926 (rtl_loop_init): Pass flags to loop_optimizer_init.
15927 * tree-ssa-sink.c (execute_sink_code): Ditto.
15928 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
15929 * tree-ssa-pre.c (init_pre): Ditto.
15930 * cfgloop.h (LOOPS_NORMAL): New.
15931 (loop_optimizer_init): Declaration changed.
15933 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15935 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
15936 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
15938 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
15940 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
15942 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
15943 * pa/t-pa64: Delete quadlib.c rule.
15944 * pa/x-ada: Revert last change.
15945 * pa/t-pa: Revert last change. Delete quadlib.c rule.
15947 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15949 PR rtl-optimization/26087
15950 * rtlanal.c (canonicalize_condition): Do not cross basic block
15953 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
15956 * config/ia64/ia64.c: Include debug.h.
15957 (MAX_ARTIFICIAL_LABEL_BYTES): New.
15958 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
15959 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
15960 (process_epilogue, process_set, process_for_unwind_directive):
15961 Output unwind info only if requested. Add CFA info if requested.
15962 Add new arguments as needed. Adjust callers.
15963 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
15965 (DWARF2_FRAME_INFO): Define to zero.
15966 * config/ia64/unwind-ia64.c: Remove code that compensated for
15967 the CFA offset error fixed above.
15968 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
15969 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
15970 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
15971 -funwind-tables and -fexceptions to enable frame info.
15972 (dwarf2out_frame_init): Define initial CFA even if
15973 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
15974 DWARF2_UNWIND_INFO is nonzero, not just defined.
15975 (dwarf2out_frame_finish): Output non-EH call frame info only
15976 if DWARF2_FRAME_INFO is nonzero.
15977 (convert_cfa_to_loc_list,
15978 compute_frame_pointer_to_cfa_displacement): Define even if
15979 unwind info is not supported.
15980 (gen_subprogram_die): Use the above unconditionally. Remove
15981 legacy alternate code.
15982 * toplev.c (compile_file): Compile in call to
15983 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
15984 (lang_dependent_init): Ditto for dwarf2out_frame_init.
15986 2006-02-04 David Edelsohn <edelsohn@gnu.org>
15987 Jakub Jelinek <jakub@redhat.com>
15989 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
15990 IBM extended float format long double as "g" on powerpc*-linux.
15992 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15995 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
15996 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
15998 2006-02-03 Jason Merrill <jason@redhat.com>
16001 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16003 PR middle-end/25977
16004 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16005 on the return slot if it's an NRV.
16007 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16009 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16010 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16011 rewrite_use): Do not handle USE_OUTER.
16012 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16013 add_iv_outer_candidates, may_replace_final_value,
16014 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16015 (find_interesting_uses_op): Functionality of
16016 find_interesting_uses_outer_or_nonlin moved here.
16017 (find_interesting_uses_outside): Use find_interesting_uses_op.
16019 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16022 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16024 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16025 Ulrich Weigand <uweigand@de.ibm.com>
16028 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16029 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16030 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16031 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16033 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16034 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16035 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16036 Define secondary reloads for TFmode moves.
16037 (constant_modes): Add TFmode.
16038 (NR_C_MODES): Set to 8.
16039 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16041 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16042 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16043 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16044 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16045 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16046 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16047 (FPR mode macro): Add TFmode.
16048 (DSF mode macro): New.
16049 (<de>, <dee> mode attributes): Removed.
16050 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16051 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16052 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16053 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16054 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16055 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16056 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16057 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16058 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16059 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16060 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16061 "*negabs<mode>2", "sqrt<mode>2"):
16062 Changed <de> to <xde>. R constraint replaced by <Rf>.
16063 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16065 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16066 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16067 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16069 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16070 "extenddftf2", "extendsftf2"): New expanders.
16071 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16072 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16073 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16074 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16076 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16077 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16078 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16079 __floatditf): Add a GCC_4.1.0 symbol version tag.
16080 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16083 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16086 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16087 Use targetm.binds_local_p instead of TREE_PUBLIC.
16089 2006-02-02 Roger Sayle <roger@eyesopen.com>
16091 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16092 on INTEGER_TYPEs to indicate that it denotes a character type.
16093 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16094 signed_char_type_node, unsigned_char_type_node and char_type_node.
16095 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16096 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16097 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16099 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16100 Daniel Berlin <dberlin@dberlin.org>
16102 * tree-tailcall.c (arg_needs_copy_p): New function.
16103 (eliminate_tail_call): Use arg_needs_copy_p.
16104 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16105 (add_virtual_phis): New function.
16107 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16109 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16110 #ignore instead of #scratch for %g7 .register directive.
16112 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16114 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16117 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16119 * flow.c (calculate_global_regs_live): Assert that there aren't any
16122 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16124 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16125 what its name says.
16126 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16127 bsi_after_labels iterator.
16128 * tree-if-conv.c (find_phi_replacement_condition,
16129 replace_phi_with_cond_modify_expr): Likewise.
16130 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16131 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16133 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16135 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16137 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16140 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16141 array after growing it.
16143 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16145 PR middle-end/24901
16146 * fold-const.c (fold_checksum_tree): Change type of buf.
16148 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16150 * reload.c (push_secondary_reload): Initialize t_icode.
16152 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16154 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16155 -msoft-float -mlong-double-128 only issue a warning, but don't
16156 swich to DFmode long double.
16158 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16160 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16161 has a constant equivalent, iterate over equivalents for arg0,
16162 calling simplify_relational_operation and if there's a result
16163 cheaper than X, apply fold_rtx and return the result.
16165 2006-02-01 Jan Hubicka <jh@suse.cz>
16167 * opts.c (no_unit_at_a_time_default): New global variable.
16168 (decode_options): Use it.
16169 * opts.h (no_unit_at_a_time_default): Declare.
16171 2006-02-01 Paul Brook <paul@codesourcery.com>
16173 * function.c (assign_parm_setup_reg): Use function argument promotion
16175 * expr.c (expand_expr_real_1): Use function argument promotion rules
16178 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16180 * gcc.c (process_command): Change j to 'unsigned int'.
16182 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16184 PR middle-end/26001
16185 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16186 Use the corrected index for the character
16187 out of the string constant.
16189 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16191 * mode-switching.c (optimize_mode_switching): Fix size
16192 allocated for bb_info[n_entities].
16194 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16196 * gcc.c (main): Correct type that is allocated for
16197 explicit_link_files.
16199 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16201 * config/s390/s390.c (init_alignment_context): Set
16202 ALIAS_SET_MEMORY_BARRIER on the MEM.
16203 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16205 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16207 PR middle-end/25933
16208 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16210 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16213 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16215 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16216 * regrename.c: Ditto.
16217 * tree-ssa-loop-im.c: Ditto.
16218 * tree-dump.c: Ditto.
16219 * tree-complex.c: Ditto.
16220 * genrecog.c: Ditto.
16221 * tree-ssa-threadupdate.c: Ditto.
16223 * java/class.c: Ditto.
16224 * java/jcf-parse.c: Ditto.
16225 * java/resource.c: Ditto.
16226 * java/except.c: Ditto.
16227 * java/jvspec.c: Ditto.
16228 * java/jcf-write.c: Ditto.
16229 * java/jcf-path.c: Ditto.
16230 * java/gjavah.c: Ditto.
16231 * java/zextract.c: Ditto.
16232 * java/jcf-io.c: Ditto.
16233 * java/jcf.h: Ditto.
16234 * java/buffer.c: Ditto.
16235 * java/lang.c: Ditto.
16236 * java/parse-scan.y: Ditto.
16237 * java/lex.c: Ditto.
16238 * java/lex.h: Ditto.
16239 * cfgloopmanip.c: Ditto.
16240 * postreload-gcse.c: Ditto.
16241 * tree-ssa-loop-manip.c: Ditto.
16242 * postreload.c: Ditto.
16243 * tree-ssa-loop-ch.c: Ditto.
16246 * cppspec.c: Ditto.
16247 * diagnostic.c: Ditto.
16249 * genoutput.c: Ditto.
16251 * cfghooks.c: Ditto.
16252 * cfgloopanal.c: Ditto.
16253 * objc/objc-act.c: Ditto.
16255 * genextract.c: Ditto.
16256 * genautomata.c: Ditto.
16257 * pretty-print.c: Ditto.
16258 * genemit.c: Ditto.
16259 * cgraphunit.c: Ditto.
16261 * df-scan.c: Ditto.
16262 * haifa-sched.c: Ditto.
16263 * dominance.c: Ditto.
16265 * tree-ssa-loop-ivopts.c: Ditto.
16266 * df-core.c: Ditto.
16267 * mode-switching.c: Ditto.
16268 * modulo-sched.c: Ditto.
16270 * ipa-pure-const.c: Ditto.
16272 * fix-header.c: Ditto.
16274 * tree-stdarg.c: Ditto.
16275 * ipa-utils.c: Ditto.
16276 * loop-init.c: Ditto.
16277 * ipa-inline.c: Ditto.
16278 * cfganal.c: Ditto.
16280 * alloc-pool.c: Ditto.
16281 * dwarf2out.c: Ditto.
16283 * genattrtab.c: Ditto.
16284 * tree-ssa-loop-ivcanon.c: Ditto.
16285 * predict.c: Ditto.
16286 * timevar.c: Ditto.
16288 * fortran/gfortranspec.c: Ditto.
16289 * regmove.c: Ditto.
16290 * local-alloc.c: Ditto.
16291 * langhooks.c: Ditto.
16292 * function.c: Ditto.
16293 * tree-vectorizer.c: Ditto.
16295 * ipa-type-escape.c: Ditto.
16297 * tree-if-conv.c: Ditto.
16298 * profile.c: Ditto.
16300 * tree-data-ref.c: Ditto.
16301 * loop-unroll.c: Ditto.
16302 * treelang/treetree.c: Ditto.
16304 * bt-load.c: Ditto.
16305 * ggc-common.c: Ditto.
16307 * coverage.c: Ditto.
16309 * tree-cfgcleanup.c: Ditto.
16310 * tree-ssa-pre.c: Ditto.
16311 * cfgcleanup.c: Ditto.
16312 * loop-invariant.c: Ditto.
16313 * loop-iv.c: Ditto.
16314 * ipa-prop.c: Ditto.
16315 * print-tree.c: Ditto.
16316 * conflict.c: Ditto.
16317 * ggc-page.c: Ditto.
16318 * sched-deps.c: Ditto.
16319 * regclass.c: Ditto.
16320 * tree-object-size.c: Ditto.
16321 * combine.c: Ditto.
16322 * bb-reorder.c: Ditto.
16323 * resource.c: Ditto.
16324 * var-tracking.c: Ditto.
16325 * cfgloop.c: Ditto.
16326 * df-problems.c: Ditto.
16327 * reg-stack.c: Ditto.
16329 * gccspec.c: Ditto.
16330 * sched-rgn.c: Ditto.
16331 * tree-ssa-structalias.c: Ditto.
16332 * tree-ssa-reassoc.c: Ditto.
16333 * config/darwin-c.c: Ditto.
16334 * config/darwin.c: Ditto.
16335 * config/arm/arm.c: Ditto.
16337 * collect2.c: Ditto.
16338 * reload1.c: Ditto.
16340 2006-01-31 Nicolas Pitre <nico@cam.org>
16342 * arm.md (smaxsi3): Make aware of smax_m1.
16345 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16347 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16349 2006-01-31 Richard Guenther <rguenther@suse.de>
16351 * doc/invoke.texi (-msselibm): Document.
16352 * target.h (expand_library_builtin): New target hook.
16353 * builtins.c (expand_builtin): Use expand_library_builtin.
16354 (default_expand_library_builtin): New function.
16355 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16356 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16357 (link_gcc_math_spec): Declare.
16358 (static_specs): Add link_gcc_math_spec.
16359 * expr.h (default_expand_library_builtin): Declare.
16360 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16361 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16362 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16363 * config/i386/i386.opt (msselibm): New target option.
16364 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16365 (ix86_init_sse_abi_builtins): New function.
16366 (ix86_expand_library_builtin): Likewise.
16367 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16368 (override_options): Handle error conditions wrt -msselibm.
16369 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16370 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16371 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16374 2006-01-31 Richard Guenther <rguenther@suse.de>
16375 Paolo Bonzini <bonzini@gnu.org>
16377 * doc/install.texi (--disable-libgcc-math): Document.
16379 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16381 * expr.h (expand_normal): new inline function.
16382 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16383 * dojump.c: use it.
16384 * dwarf2out.c: use it.
16387 * expmed.c: use it.
16388 * except.c: use it.
16389 * config/sparc/sparc.c: use it.
16390 * config/i386/i386.c: use it.
16391 * config/rs6000/rs6000.c: use it.
16392 * config/arm/arm.c: use it.
16393 * config/mips/mips.c: use it.
16394 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16396 2006-01-30 Roger Sayle <roger@eyesopen.com>
16398 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16399 argv to the appropriate type.
16401 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16403 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16406 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16409 * config/s390/s390.c (struct machine_function): New flag
16410 decomposed_literal_pool_addresses_ok_p.
16411 (s390_reorg): Set it before final stage of literal pool transforms.
16412 (s390_decompose_address): Only accept displacements of the form
16413 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16415 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16417 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16418 the comparison routine return.
16420 2006-01-30 Michael Matz <matz@suse.de>
16422 * global.c (find_reg): Only evict for global regs.
16423 Take n_refs into account and dump more info.
16425 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16428 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16429 (pragma_trap, pragma_nosave_low_regs): Likewise.
16430 (current_function_anonymous_args): Likewise.
16431 (sh_deferred_function_attributes): New variable.
16432 (sh_deferred_function_attributes_tail): Likewise.
16433 (print_operand): For '@', look up trap_exit attribute.
16434 (calc_live_regs): Look up trapa_handler attribute. For trapa
16435 handlers, save/restore fpscr, but don't do any other
16436 interrupt-specific saves.
16437 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16438 Fix check for partially saved registers to check for SHmedia.
16439 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16440 (sh_output_function_epilogue): Don't clear any of the removed
16442 (sh_insert_attributes): Don't check pragma_interrupt.
16443 Insert deferred attributes. Check that interrupt attribute is
16444 present for other attributes that require its presence.
16445 (sh_attribute_table): Add new attributes trapa_handler and
16447 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16448 Don't check for pragma_interrupt. Don't store argument.
16449 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16450 (sh_deferred_function_attributes): Declare.
16451 (sh_deferred_function_attributes_tail): Likewise.
16452 * sh.md (sp_switch_1): Add operand. Change generator caller.
16453 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16454 (*return_i): Don't use when trap_exit attribute is in effect.
16455 (*return_trapa): New insn pattern.
16456 * sh-c.c: New file.
16457 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16458 setting c_target_objs and cxx_target_objs.
16459 * t-sh: Add rule for sh-c.o.
16461 2006-01-30 Richard Guenther <rguenther@suse.de>
16464 * gimplify.c (gimplify_target_expr): Handle easy cases
16465 without creating a temporary.
16467 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16469 * vec.h (safe_grow): Remove duplicated line.
16471 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16474 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16475 (expand_omp): ... here.
16476 (expand_omp_parallel): Only remove barriers for combined
16477 parallel+workshare constructs.
16479 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16483 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16484 * tree.c (build_qualified_type): Chain the new type to the original
16485 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16486 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16487 (build_pointer_type_for_mode): Only return unqualified types.
16488 (build_reference_type_for_mode): Likewise.
16490 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16492 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16493 * Makefile.in (CXX_COMPAT_WARN): Define.
16494 * configure: Regenerate.
16496 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16499 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16502 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16504 * toplev.c: Fix thinko.
16506 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16507 Marcin Dalecki <martin@dalecki.de>
16509 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16510 (push_srcloc): Use XNEW.
16511 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16513 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16515 * df-core.c (df_set_blocks): Deleted all variable.
16517 2006-01-28 Ian Lance Taylor <ian@airs.com>
16519 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16520 cgraph_output_pending_asms.
16522 2006-01-28 Zack Weinberg <zackw@panix.com>
16524 * c.opt: Add -W(no-)overlength-strings.
16525 * doc/invoke.texi: Document it.
16526 * c-opts.c (c_common_handle_option): -pedantic implies
16527 -Woverlength-strings, if not explicitly disabled already.
16528 (c_common_post_options): -Woverlength-strings defaults to off, and
16529 is always off for C++.
16530 * c-common.c (fix_string_type): Issue warning about strings longer
16531 than is portable only if warn_overlength_strings. Rearrange code
16532 a little for clarity.
16533 * configure.in: Check for -Wno-overlength-strings as well before
16534 enabling -pedantic in stage 1.
16535 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16536 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16538 * genconditions.c (write_header, write_one_condition)
16539 (write_conditions, write_writer): Consolidate very long strings
16540 that were broken up to fit in C89 portable limit. Don't use
16541 printf when fputs will do.
16543 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16545 * combine.c (simplify_comparison <AND>): Check
16546 TRULY_NOOP_TRUNCATION before start using a subreg.
16548 * config/mips/mips.md (*branch_zero<mode>,
16549 *branch_zero<mode>_inverted, *branch_equality<mode>,
16550 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16551 Remove mode check from comparisons.
16553 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16555 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16557 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16559 * expmed.c (const_mult_add_overflow_p): Remove.
16560 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16562 * recog.c (validate_replace_rtx_subexp): Remove.
16563 * recog.h: Remove the prototype for
16564 validate_replace_rtx_subexp.
16566 * integrate.h: Remove the prototype for
16567 copy_decl_for_inlining.
16568 * rtl.h: Remove the prototype for mark_constant_function.
16569 * tree-vectorizer.h: Remove the prototype for
16570 vect_strip_conversion.
16572 * modulo-sched.c (create_partial_schedule,
16573 free_partial_schedule, reset_partial_schedule): Make them
16576 * hooks.c (hook_bool_rtx_int_false): Remove.
16577 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16579 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16581 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16582 and -mlong-double-128 are incompatible.
16583 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16584 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16585 (TARGET_LIBGCC2_CFLAGS): Define.
16586 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16587 (TARGET_LIBGCC2_CFLAGS): Same.
16588 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16590 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16593 * c-typeck.c (build_binary_op): Perform implicit casts of
16594 operands before shortening them.
16596 * cfgloopmanip.c (split_loop_bb): Remove.
16597 * cfgloop.h: Remove the prototype for split_loop_bb.
16599 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16600 * cfgloop.h: Remove the prototype for
16601 flow_loop_outside_edge_p.
16603 * emit-rtl.c (init_virtual_regs): Make it static.
16604 * function.h: Remove the prototype for init_virtual_regs.
16606 * recog.c (peephole2_optimize): Make it static.
16607 * recog.h: Remove the prototype for peephole2_optimize.
16609 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16611 * df-scan.c (df_record_entry_block_defs): Check if
16612 INCOMING_RETURN_ADDR_RTX is defined.
16614 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16615 Kenneth Zadeck <zadeck@naturalbridge.com>
16617 PR rtl-optimization/24762
16618 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16619 * targhooks.c (hook_void_bitmap): New hook prototype.
16620 * targhoohs.h (hook_void_bitmap): Ditto.
16621 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16622 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16623 * target.h (live_on_entry): New function pointer.
16624 * df-scan.c (df_all_hard_regs): Removed.
16625 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16626 (df_scan_free_internal): Added df->entry_block_defs.
16627 (df_scan_alloc): Ditto.
16628 (df_scan_dump): Ditto.
16629 (df_uses_record): Plumbed flag field properly thru calls.
16630 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16631 This part fixes PR24762.
16632 (df_bb_refs_record): Added code to make the frame and arg
16633 pointers live in EH blocks.
16634 (df_refs_record): Added call to df_record_entry_block_defs.
16635 (df_record_entry_block_defs): New function.
16636 * df-core.c: Added comments to describe new artifical defs.
16637 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16638 (entry_block_defs): New field in struct df.
16639 (df_all_hard_regs): Deleted.
16640 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16641 * df-problems.c (df_ru_bb_local_compute_process_def):
16642 Added code to handle artifical defs in the entry to a function.
16643 (df_ru_bb_local_compute): Ditto.
16644 (df_rd_bb_local_compute_process_def): Ditto.
16645 (df_rd_bb_local_compute): Ditto.
16646 (df_lr_bb_local_compute): Ditto.
16647 (df_ur_bb_local_compute): Ditto.
16648 (df_urec_bb_local_compute): Ditto.
16649 (df_chain_create_bb): Ditto.
16650 (df_ur_local_finalize): Removed entry.
16651 (df_urec_init): Ditto.
16652 (df_urec_local_finalize): Ditto.
16653 (df_ri_bb_compute): Added detection of last use of pseudos.
16654 * Makefile.in (df-scan.o): Updated dependencies.
16655 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16656 * config/mips/mips.c (mips_set_live_on_entry): Added.
16657 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16659 * dce.c (marked_insn_p): Added code to handle artifical defs.
16661 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16663 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16665 (_mm_cvtsi128_si64): Likewise.
16666 (_mm_cvtsd_si64): Likewise.
16667 (_mm_cvttsd_si64): Likewise.
16668 (_mm_cvtsi64_sd): Likewise.
16669 (_mm_cvtsi64_si128): Likewise.
16670 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16671 (_mm_cvtsi64_m64): Likewise.
16672 (_m_to_int64): Likewise.
16673 (_mm_cvtm64_si64): Likewise.
16674 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16675 (_mm_cvttss_si64): Likewise.
16676 (_mm_cvtsi64_ss): Likewise.
16677 (_mm_cvtss_f32): Likewise.
16679 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16681 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16682 for pragma redefine_extname.
16684 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16687 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16688 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16689 -mno-minimal-toc to previous content.
16690 (bispecs): Remove goal.
16691 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16692 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16693 compatibility aliases on powerpc-*-*gnu*.
16694 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16695 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16696 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16697 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16698 (ldblspecs): New goal.
16699 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16700 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16702 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16703 L_sf_to_tf or L_df_to_tf is defined.
16705 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16706 Alan Modra <amodra@bigpond.net.au>
16709 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16710 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16711 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16712 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16713 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16714 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16715 (rs6000_override_options): Initialize rs6000_ieeequad.
16716 Initialize TFmode format to ibm_extended_format if not
16718 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16720 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16721 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16722 (function_arg_advance): IBM long double passed in two FPRs, not
16724 (function_arg): IBM long double passed in FPRs.
16725 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16726 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16727 Only multireg GPR aligned.
16728 (rs6000_init_libfuncs): Enable IBM long double functions if not
16730 (rs6000_generate_compare): Use IBM long double compare if not
16732 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16733 (TARGET_IEEEQUAD): Define.
16734 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16735 not TARGET_IEEEQUAD.
16736 * config/rs6000/rs6000.md: Enable TFmode patterns if
16738 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16739 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16740 and -mlong-double-128 are incompatible.
16741 * doc/invoke.texi (-mabi): Collect options together. Add
16742 ibmlongdouble and ieeelongdouble.
16744 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16746 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16748 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16749 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16750 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16751 * rtl.h (rtunion_def): Remove rt_ptr.
16753 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16754 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16755 * config/i386/winnt.c (i386_pe_mark_dllexport)
16756 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16758 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16760 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16762 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16766 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16767 pthread_key_delete. From John David Anglin. gthrw-ify
16768 pthread_getunique_np only if it it's not a macro. Delete
16770 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16771 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16772 __gthread_objc_condition_signal, __gthread_key_delete): Add
16773 "__attribute__ ((__unused__))" to unused arguments.
16774 (__gthread_recursive_mutex_init_function): Add missing return.
16775 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16776 gthr-posix95.h: Use macro-based approach for name redirection
16777 on targets missing weakref.
16779 2006-01-26 Zack Weinberg <zackw@panix.com>
16781 * genconditions.c (write_header): In generated code, #ifdef out
16782 all includes and fake declarations, except includes of bconfig.h
16783 and system.h, unless GCC_VERSION >= 3001. Do not include
16784 gensupport.h in any case.
16785 (write_conditions): Generate a definition of struct c_test. Add
16786 a comment to the generated #endif.
16787 (write_one_condition): Escape backslashes in string too.
16788 (write_writer): Generated code must escape backslashes and quote
16789 marks (but not newlines) in the strings it writes.
16790 * Makefile.in (build/gencondmd.o): Update dependencies.
16792 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16795 * Makefile.in (insn-automata.o): Add header file dependencies.
16796 * genautomata.c: Add includes.
16798 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16801 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16803 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16805 * configure.ac: Expect target tools paths to be passed from the toplevel
16806 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16808 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16810 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16813 * c.opt (Wpointer-sign): Init to -1.
16814 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16815 OPT_pedantic, to 0 otherwise.
16816 * doc/invoke.texi: Update.
16818 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16820 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16821 constants provided by 80387 instructions in the destination mode.
16823 2006-01-26 Richard Guenther <rguenther@suse.de>
16824 Andrew Pinski <pinskia@physics.uc.edu>
16827 partial PR tree-opt/17064
16828 * tree-ssa-structalias.c (intra_create_variable_infos):
16829 Create heap variables for incoming parameters if
16830 flag_argument_noalias > 1.
16831 (find_what_p_points_to): Look through default defs of
16834 2006-01-26 Jeff Law <law@redhat.com>
16837 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16838 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16839 within the VR_RANGE, use the VR_RANGE as the result, not the
16841 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16842 bounds for the type.
16844 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16846 * tree-ssa-alias.c (maybe_create_global_var): Change
16847 subvar walking to an assertion that we don't have subvar'd variables.
16849 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16852 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16853 Use a new variable, inner. PARM_DECLs are always non-weak.
16855 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16857 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16858 --disable-checking.
16860 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16862 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16864 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16866 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16867 (smax_insn, smin_insn, smax_0, smin_0): New.
16869 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16872 * config/cris/cris.c (cris_order_for_addsi3): New function.
16873 * config/cris/cris-protos.h: Prototype it.
16874 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
16875 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
16876 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
16877 (split for "op.S1 [rx=rx+i],ry (swapped)")
16878 (split for "op(s|u).S1 [rx=rx+i],ry")
16879 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
16880 Apply cris_order_for_addsi3 when generating addsi3 insns.
16882 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16884 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
16885 (TREE_BLOCK): Add call to EXPR_CHECK.
16887 2006-01-25 Diego Novillo <dnovillo@redhat.com>
16890 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
16891 * tree-pretty-print.c (dump_omp_clause): Extract from ...
16892 (dump_omp_clauses): ... here.
16893 (dump_generic_node): Handle OMP_CLAUSE.
16894 * tree.c (omp_clause_num_ops): New.
16895 (omp_clause_code_name): New.
16896 (tree_code_size): Handle OMP_CLAUSE.
16897 (tree_size): Likewise.
16898 (make_node): Document handling of OMP_CLAUSE.
16899 (tree_node_structure): Handle OMP_CLAUSE.
16900 (omp_clause_check_failed): New.
16901 (omp_clause_range_check_failed): New.
16902 (omp_clause_operand_check_failed): New.
16903 (build_omp_clause): New.
16904 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
16905 * tree.h (enum omp_clause_code): Declare.
16906 (OMP_CLAUSE_SUBCODE_CHECK): Define.
16907 (OMP_CLAUSE_RANGE_CHECK): Define.
16908 (OMP_CLAUSE_ELT_CHECK): Define.
16909 (omp_clause_check_failed): Declare.
16910 (omp_clause_operand_check_failed): Declare.
16911 (omp_clause_range_check_failed): Declare.
16912 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
16913 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
16914 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
16915 (OMP_CLAUSE_LASTPRIVATE): Likewise.
16916 (OMP_CLAUSE_IF_EXPR): Likewise.
16917 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
16918 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
16919 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
16920 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
16921 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
16922 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
16923 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
16924 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
16925 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
16926 (OMP_CLAUSE_CODE): Define.
16927 (OMP_CLAUSE_SET_CODE): Define.
16928 (OMP_CLAUSE_CODE): Define.
16929 (OMP_CLAUSE_OPERAND): Define.
16930 (struct tree_omp_clause): Declare.
16931 (union tree_node): Add field 'omp_clause'.
16932 * treestruct.def (TS_OMP_CLAUSE): Define.
16933 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
16934 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
16935 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
16936 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
16937 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
16938 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
16939 (OMP_CLAUSE): Define.
16940 * print-tree.c (print_node): Handle OMP_CLAUSE.
16941 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
16942 * c-typeck.c: Likewise.
16943 * gimplify.c: Likewise.
16944 * c-omp.c: Likewise.
16945 * tree-nested.c: Likewise.
16946 * tree-inline.c: Likewise.
16947 * c-parser.c: Likewise.
16948 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
16951 2006-01-25 Roger Sayle <roger@eyesopen.com>
16953 PR rtl-optimization/25703
16954 * combine.c (try_combine): Handle zero_extract and strict_low_part
16955 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
16957 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
16959 * global.c: Fix comment typos.
16961 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
16964 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
16965 Use output_addr_const instead of assemble_name.
16967 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
16969 * Makefile.in (sched-vis.o): Update dependencies.
16970 * haifa-sched.c (sched_finish): Clear current_sched_info.
16971 * cfg.c (dump_bb_info): New, split from dump_flow_info.
16972 (dump_flow_info): Call it.
16973 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
16975 * basic-block.h (dump_bb_info): Declare.
16976 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
16977 option, and apply options only for dump files whose TDF_RTL,
16978 TDF_TREE, or TDF_IPA bits match.
16979 * rtl.h: Declare new functions exported from sched-vis.c.
16980 * sched-vis.c: Enable also if scheduling is not used.
16981 (print_value): Print the mode of registers if not inside scheduling.
16982 (print_insn): Make it work outside the scheduler. Beautify the output
16984 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
16986 2006-01-25 Richard Sandiford <richard@codesourcery.com>
16988 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
16989 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
16990 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
16991 depending on the value of CONSTANT_POOL_ADDRESS_P.
16992 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
16994 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
16995 rather than SYMBOL_REF_DECL.
16996 (rtx_constant_pool): Remove const_rtx_sym_htab.
16997 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
16998 (init_varasm_status): Don't initialize const_rtx_sym_htab.
16999 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17000 Remove handling of const_rtx_sym_htab.
17001 (find_pool_constant): Delete.
17002 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17003 rather than find_pool_constant.
17004 (get_pool_constant_for_function): Delete.
17005 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17006 find_pool_constant.
17007 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17008 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17009 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17010 (SYMBOL_REF_CONSTANT): New macro.
17011 (get_pool_constant_for_function): Delete.
17012 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17013 rather than SYMBOL_REF_DECL.
17014 (i386_pe_mark_dllimport): Likewise.
17015 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17016 rather than SYMBOL_REF_DECL.
17017 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17018 (machopic_indirect_call_target): Likewise.
17020 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17022 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17024 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17026 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17028 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17030 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17032 2006-01-24 David Daney <ddaney@avtrex.com>
17035 * configure.ac (enable_tls): New enable option.
17036 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17037 * configure: Regenerate.
17038 * doc/install.texi (--enable-tls): Document new option.
17039 (--disable-tls): Ditto.
17041 2006-01-24 Richard Henderson <rth@redehat.com>
17043 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17044 * alias.c (true_dependence): Respect it.
17045 (canon_true_dependence, write_dependence_p): Likewise.
17046 * builtins.c (get_builtin_sync_mem): Set it.
17048 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17050 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17053 2006-01-24 DJ Delorie <dj@redhat.com>
17055 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17056 for storing constants in single-bit bitfields.
17058 2006-01-25 Ben Elliston <bje@au.ibm.com>
17060 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17062 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17065 * tree-ssa-pre.c (phi_translate): Return NULL
17066 for AGGREGATE_TYPE's.
17068 2006-01-24 Zack Weinberg <zackw@panix.com>
17070 * genautomata.c (process_state_for_insn_equiv_partition):
17071 Use xcalloc for insn_arcs_array.
17072 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17073 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17075 2006-01-24 Richard Henderson <rth@redhat.com>
17077 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17078 update all callers.
17080 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17082 PR rtl-optimization/25890
17083 PR rtl-optimization/25905
17084 * combine.c (expand_compound_operation, expand_field_assignment):
17085 Fail if the bitfield's final position is out of bounds.
17087 2006-01-24 Ian Lance Taylor <ian@airs.com>
17089 PR middle-end/25930
17090 * cgraphunit.c (cgraph_output_in_order): Don't clear
17091 cgraph_asm_nodes until after asm strings have been output.
17093 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17095 * fix-header.c (read_scan_file): Add new parameter imultilib when
17096 calling register_include_chains.
17098 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17100 * omp-low.c: Update documentation.
17102 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17103 Daniel Berlin <dberlin@dberlin.org>
17107 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17108 return from the function.
17110 2006-01-22 Zack Weinberg <zackw@panix.com>
17112 * rtl.def (match_code): Add second argument.
17113 * genpreds.c (write_extract_subexp): New function.
17114 (write_match_code): Add path argument. Use write_extract_subexp.
17115 (write_predicate_expr): Pass path to write_match_code.
17116 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17117 not perform a mode test.
17118 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17119 a subexpression does not constrain the top-level code set.
17120 * read-rtl.c (read_rtx_variadic): New function.
17121 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17122 * doc/md.texi: Document new notation.
17123 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17124 (cmpsi_operand): ... here, using new notation.
17126 2006-01-22 Zack Weinberg <zackw@panix.com>
17128 * varray.c: Remove GENERATOR_FILE #ifdefs.
17130 2006-01-22 Zack Weinberg <zackw@panix.com>
17132 * genautomata.c (output_reserved_units_table): Emit nothing if
17133 description->query_units_num is zero. Remove extra blank line.
17134 (output_cpu_unit_reservation_p): Short circuit
17135 if description->query_units_num is zero.
17137 2006-01-22 Zack Weinberg <zackw@panix.com>
17139 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17140 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17141 nor any of the random handful of variables that used to be necessary
17142 when this program was linked with rtlanal.o. Prune set of forward
17143 function declarations.
17144 (struct attr_desc): Remove static_p field.
17145 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17146 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17147 (attr_string): Do not read the character one past the length of
17149 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17150 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17151 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17152 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17153 (make_automaton_attrs): New.
17154 (main): Do not call into genautomata. Call local gen_bypass
17155 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17156 Remove special case for insn_alts.
17157 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17158 varray.h (leftover from previous change). Prune set of forward
17159 function declarations. Remove state_alts fields from all
17160 structures. Remove state_alts_table from struct automaton.
17161 Make everything except main static. Do not maintain num_dfa_decls.
17162 Do not maintain state_alts fields of various structures.
17163 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17164 (add_arc): Remove state_alts argument. All callers updated.
17165 (output_reserved_units_table): Emit #ifdef here...
17166 (output_tables): ...not here. Don't generate state_alts tables.
17167 (expand_automata): Don't generate attributes.
17168 (write_automata): Don't generate state_alts functions.
17169 (main): New function.
17170 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17171 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17172 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17173 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17174 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17175 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17176 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17177 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17179 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17180 * genattrtab.h: Delete file.
17181 * Makefile.in (OBJS-common): Add insn-automata.o.
17182 (insn-automata.o): New rule.
17183 (simple_generated_c): Add insn-automata.c.
17184 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17185 (genprogmd): Add automata.
17186 (build/genattrtab): Needs no extra objects nor libraries.
17187 (build/genautomata): Needs build/vec.o and -lm.
17189 2006-01-22 Zack Weinberg <zackw@panix.com>
17191 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17192 (output_dfa_max_issue_rate, locked_states_num): Delete.
17193 (struct automaton): Add locked_states field.
17194 (output_dead_lock_vect): Save number of locked states in
17195 automaton->locked_states. If it is zero, don't print anything.
17196 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17197 (output_internal_dead_lock_func): Only test the dead_lock_vect
17198 for automata that have locked states.
17199 (output_statistics): Always print the number of locked states for
17200 each automaton. Calculate total number of locked states here.
17201 (write_automata): Don't call output_dfa_max_issue_rate.
17202 * genattrtab.c: Define length_unit_log as a const variable.
17203 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17204 max_insn_queue_index const.
17205 * final.c (length_unit_log): Declare const.
17206 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17208 2006-01-22 Zack Weinberg <zackw@panix.com>
17210 * genautomata.c: Include vec.h, not varray.h.
17211 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17212 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17213 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17214 VEC_* macros operating on appropriately typed vectors, or to
17215 malloced arrays when the size is known in advance. Const-ify
17216 many char* variables and function arguments. No functional changes.
17217 * Makefile.in (build/varray.o): Delete rule.
17218 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17219 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17221 2006-01-22 Zack Weinberg <zackw@panix.com>
17223 * gensupport.c: Define get_insn_name and record_insn_name here.
17224 (read_md_rtx): Call record_insn_name as appropriate.
17225 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17226 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17227 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17229 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17230 (BUILD_VARRAY): Delete.
17231 (genprognormal): Rename genprogmd. Fold in all programs from
17232 genprognoprint; also attrtab.
17233 (build/genattrtab): Just mention genautomata.o and varray.o.
17234 Reorganize a bit, add comments to make the categories clearer.
17236 2006-01-22 Zack Weinberg <zackw@panix.com>
17238 * genconditions.c (condition_table, add_condition): Delete.
17239 (write_conditions): Don't emit n_insn_conditions nor
17240 insn_elision_unavailable. Issue the gcc version #ifdef here,
17241 inside the table, with no #else clause ...
17242 (write_header): ...not here.
17243 (write_writer): New function.
17244 (main): Don't initialize condition_table. Use add_c_test.
17246 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17247 files on the command line.
17248 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17249 Return -1 if there is no entry in the table, don't abort.
17250 (add_c_test, traverse_c_tests): New functions.
17251 * gensupport.h (insn_elision_unavailable, insn_conditions)
17252 (n_insn_conditions): Delete declarations.
17253 (add_c_test, traverse_c_tests): Declare.
17254 * read-rtl.c: Include gensupport.h.
17255 (read_conditions): New function.
17256 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17257 (read_rtx_1): If we get EOF when we were looking for an initial
17258 open paren, return 0. Call read_conditions when appropriate.
17259 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17260 dummy-conditions.o. Eliminate references to insn-conditions.o,
17261 or change them to build/gencondmd.o, as appropriate. Remove
17262 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17263 from $(simple_generated_c). For all files remaining in those
17264 two lists, add insn-conditions.md to the generator command line.
17265 Give insn-constants.h/s-constants their own rules. Add rules
17266 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17267 (build/read-rtl.o): Depend on gensupport.h.
17268 (genprognormal): Include preds.
17269 (genprogearly): Rename genprognoprint; only difference is now that
17270 they don't link with $(BUILD_PRINT).
17271 * dummy-conditions.c: Delete.
17273 2006-01-22 Zack Weinberg <zackw@panix.com>
17275 * genextract.c: Don't include insn-config.h. Do include vec.h.
17276 Declare vectors of int, char, and locstr.
17277 (locstr): New typedef.
17278 (struct extraction): Make all array fields into bare pointers.
17279 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17280 (insn_code_number): Delete.
17281 (accum_extract): New struct.
17282 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17283 (gen_insn): Take insn_code_number as an argument. Use an
17284 accum_extract structure instead of loading data directly into
17285 a struct extraction, and having to know how big it might get.
17286 (walk_rtx): Operate entirely on an accum_extract structure.
17287 (print_path): Avoid unnecessary use of printf.
17288 (print_header): New function, split out of main. Distinguish
17289 more carefully between an unrecognizable insn and an insn that
17290 has the code number of a define_expand.
17291 (main): Pass insn_code_number to gen_insn. Call print_header
17292 only after parsing. Avoid unnecessary use of printf.
17293 * Makefile.in (build/vec.o): New rule.
17294 (build/genextract): Depend on build/vec.o.
17295 (build/genextract.o): Don't depend on insn-config.h.
17297 2006-01-22 Zack Weinberg <zackw@panix.com>
17299 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17300 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17301 practical. Eliminate per-generator-program link rules.
17303 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17305 PR middle-end/24437
17306 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17307 with a call expr to ...
17308 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17310 2006-01-23 Richard Guenther <rguenther@suse.de>
17312 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17313 before make_edge with conditional EDGE_TRUE_VALUE.
17315 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17316 Jan Hubicka <jh@suse.cz>
17317 Richard Guenther <rguenther@suse.de>
17319 PR rtl-optimization/25654
17320 * cfgexpand.c (aggregate_contains_union_type): New function.
17321 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17322 for structure variables that contain a union type.
17324 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17326 * gengtype.c (new_structure): Return the structure.
17327 (create_option): Add an extra "next" argument.
17328 (create_field): New function.
17329 (adjust_field_rtx_def): Use create_option and create_field.
17330 Remove a now-unnecessary call to find_structure.
17331 (adjust_field_tree_def): Likewise.
17332 (note_yacc_type): Remove an unnecessary call to find_structure.
17333 * gengtype.h (new_structure): Return the structure.
17334 (create_option): Add an extra argument.
17335 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17336 (option): Adjust calls to create_option.
17338 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17340 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17342 2006-01-22 Paul Brook <paul@codesourcery.com>
17343 Peter Barada <peter@the-baradas.com>
17345 * config/m68k/m68k.md: Add Coldfire FPU support.
17346 Define FP mode macro and associated attributes.
17347 Use it for float mode patterns.
17348 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17349 (LIBCALL_VALUE): Use m68k_libcall_value.
17350 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17351 (m68k_function_value): Ditto.
17352 (emit_move_sequence): Ditto.
17353 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17354 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17355 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17356 (MULTILIB_EXCEPTIONS): Ditto.
17357 * config/m68k/m68k.opt: Add mcfv4e.
17358 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17359 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17360 (m68k_output_function_prologue): Save ColdFire FPU registers.
17361 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17362 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17363 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17364 ColdFire FPU registers.
17365 (m68k_libcall_value, m68k_function_value): New functions.
17366 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17367 (LIBCALL_VALUE): Use m68k_libcall_value.
17368 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17369 (MASK_COLDFIRE): Add MASK_CFV4E.
17370 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17371 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17372 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17373 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17374 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17375 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17376 * doc/invoke.tex: Document -mcfv4e on m68k.
17378 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17380 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17383 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17386 * c-opts.c (c_common_handle_option): Don't include
17387 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17388 * doc/invoke.texi (C++ Dialect Options): Document that
17389 -Wnon-virtual-dtor is no longer included in -Wall.
17391 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17393 * gcov.c (print_version), gcov-dump.c (print_version),
17394 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17397 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17399 * df-scan.c (problem_SCAN): Added NULL reset function.
17400 (df_scan_reset_blocks): Added code to call reset block function
17401 (df_bb_refs_delete) Fixed comment.
17402 (df_insn_refs_delete): Made tolerant of deleting non existent info
17403 for dataflow problems that need to be reset.
17404 * df-core.c (df_set_blocks): Ditto.
17405 * df.h (struct df_problem): Added reset_fun.
17406 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17407 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17408 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17409 functions to clear out all references to def-use or use-def chains.
17411 2006-01-21 Ben Elliston <bje@au.ibm.com>
17413 * varasm.c (assemble_real): Initialise data array.
17415 2006-01-20 Paul Brook <paul@codesourcery.com>
17417 Merge from csl-arm-branch.
17418 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17419 * config/arm/arm.md (movdi): Force operands[1] to a register
17420 if we have a non-register source.
17421 (*arm_movdi, *movdf_soft_insn): Require that one of the
17422 operands be a register.
17423 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17424 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17426 2006-01-20 DJ Delorie <dj@redhat.com>
17428 * varasm.c (initializer_constant_valid_p): Allow pointers
17429 initialized from integer constants of lesser precision.
17430 (output_constant): Allow non-int-sized pointer modes to be
17431 initialized from integer constants.
17433 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17436 * cppdefault.h (struct default_include): Add multilib flag.
17437 * cppdefault.c (cpp_include_defaults): Set it.
17438 * c.opt (-imultilib): New option.
17439 * c-opts.c (imultilib): New.
17440 (c_common_handle_option): Handle -imultilib.
17441 (c_common_post_options): Likewise.
17442 * c-incpath.c (add_standard_paths, register_include_chains):
17444 * c-incpath.h (register_include_chains): Add extra parameter.
17445 * gcc.c (do_spec_1): Generate -imultilib option.
17446 (The Specs Language): Update %I description.
17447 (process_command): Update copyright notice.
17448 * doc/cppopts.texi (-imultilib): Document.
17449 * doc/invoke.texi (-imultilib): Include in option summary.
17450 (%I): Update specs documentation.
17452 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17454 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17456 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17458 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17461 2006-01-20 Richard Guenther <rguenther@suse.de>
17462 Steven Bosscher <stevenb.gcc@gmail.com>
17464 PR rtl-optimization/24626
17465 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17466 EDGE_TRUE_VALUE if in RTL mode.
17469 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17470 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17472 2006-01-20 Dirk Mueller <dmueller@suse.com>
17475 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17476 instead of a special NOP marker.
17477 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17478 NOP marker handling.
17479 * c-common.h (empty_body_warning): Add forward declaration.
17480 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17481 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17483 2006-01-20 Paul Brook <paul@codesourcery.com>
17485 * Makefile.in (lang_checks): Keep going if mkdir fails.
17487 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17489 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17490 be able to clean out basic block when not necessary.
17491 (df_scan_free): Fixed to properly delete information if df is
17492 unused before calling df_finish.
17493 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17494 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17496 (df_bb_refs_delete): New function.
17497 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17498 * df-core.c (df_set_blocks): Added code to properly clean out
17499 unused blocks if they are not part of the blocks to consider.
17500 Added additional null check.
17501 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17502 be able to clean out basic block when not necessary
17503 * df.h (df_free_bb_function): Ditto.
17504 (df_bb_refs_delete): New function.
17505 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17506 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17507 basic block parameter to be able to clean out basic block when not
17509 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17510 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17511 Fixed to properly delete information if df is unused before
17514 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17516 PR rtl-optimization/25799
17517 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17518 Corrected confluence operator to remove bits from op2 before oring
17519 with op1 rather than removing bits from op1.
17520 (df_ru_transfer_function): Corrected test on wrong bitmap which
17521 caused infinite loop. Both of these problems were introduced in
17522 the dataflow rewrite.
17524 2006-01-19 DJ Delorie <dj@redhat.com>
17526 * reload1.c (find_reload_regs): Note the details of reload
17527 failures in the dump file.
17528 (spill_failure): Likewise.
17530 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17532 * loop-iv.c: Include df.h and hashtab.h.
17533 (enum iv_grd_result): New enum.
17534 (DF_REF_IV, DF_REF_IV_SET): New macros.
17535 (struct biv_entry): New.
17536 (df, bivs): New global variables.
17537 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17538 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17540 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17541 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17542 analyzed_for_bivness_p, record_biv): New functions.
17543 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17544 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17545 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17547 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17549 (iv_number_of_iterations): Use new interface to iv analysis.
17550 * loop-unroll.c: Do not include varray.h.
17551 (analyze_iv_to_split_insn): Use new interface to iv
17553 * loop-unswitch.c (may_unswitch_on): Ditto.
17554 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17556 (df_bb_modify): Realloc tables to the new index.
17557 (df_find_use): New function.
17558 * df.h (df_find_use): Declare.
17559 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17561 * cfgloop.h (struct rtx_iv): Remove analysed field.
17562 (iv_get_reaching_def): Removed.
17563 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17564 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17565 (loop-iv.o): Add df.h and hashtab.h dependency.
17566 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17568 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17571 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17573 (__floatundisf, __floatundidf): Likewise.
17574 * libgcc2.h (IS_IBM_EXTENDED): Define.
17576 2006-01-19 DJ Delorie <dj@redhat.com>
17578 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17580 2006-01-19 Paul Brook <paul@codesourcery.com>
17582 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17583 as nothrow when unwinding tables are disabled.
17585 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17588 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17589 of bit-field" when in system header.
17591 2006-01-19 DJ Delorie <dj@redhat.com>
17593 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17594 the 16 bit shift limit of the m16c.
17596 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17599 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17600 * config/i386/i386.c (output_set_got): Output the label if we have one
17601 for the TARGET_DEEP_BRANCH_PREDICTION case.
17603 2006-01-19 Jan Hubicka <jh@suse.cz>
17604 H.J. Lu <hongjiu.lu@intel.com>
17605 Evandro Menezes <evandro.menezes@amd.com>
17607 * invoke.texi (generic): Document
17609 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17610 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17611 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17612 (x86_use_incdec, x86_pad_returns): New variables
17613 (TARGET_CPU_DEFAULT_generic): New constant
17614 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17615 (enum processor_type): Add generic32 and generic64.
17616 * i386.md (cpu attribute): Add generic32/generic64
17617 (movhi splitter): Behave sanely when both partial_reg_dependency and
17618 partial_reg_stall are set.
17619 (K8 splitters): Enable for generic as well.
17620 * predicates.md (incdec_operand): Use TARGET_INCDEC
17621 (aligned_operand): Avoid memory mismatch stalls.
17622 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17623 * ppro.md: Enable for generic32
17624 * i386.c (generic64_cost, generic32_cost): New.
17625 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17626 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17627 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17628 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17629 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17630 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17631 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17632 x86_accumulate_outgoing_args, x86_prologue_using_move,
17633 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17634 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17635 Enable for generic.
17636 (x86_use_incdec, x86_pad_returns): New.
17637 (override_options): Add generic32 and generic64, translate "generic"
17638 to generic32/generic64 and "i686" to "generic32", refuse
17639 "generic32"/"generic64" as arch target.
17640 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17641 (ix86_reorg): Honor PAD_RETURNS.
17643 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17645 * tree-pretty-print.c (dump_generic_node): Handle
17646 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17647 * cgraph.c (cgraph_expand_queue): Rename from
17648 cgraph_analyze_queue. Update all users.
17649 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17650 cgraph_expand_queue.
17651 (cgraph_expand_all_functions): Likewise.
17652 (cgraph_finalize_pending_functions): Remove. Update callers.
17654 * tree.h (OMP_DIRECTIVE_P): Define.
17655 (OMP_PARALLEL_FN): Define.
17656 (OMP_PARALLEL_DATA_ARG): Define.
17657 (OMP_SECTIONS_SECTIONS): Define.
17658 * tree-pass.h (pass_expand_omp): Declare.
17659 * omp-low.c (struct omp_region): Declare.
17660 (struct omp_context): Remove fields 'parallel_type',
17661 'parallel_start_ix' and 'parallel_start_additional_args'.
17663 (struct omp_for_data): Rename from struct expand_omp_for_data.
17664 (omp_regions): New static variable.
17665 (root_omp_region): New static variable.
17666 (find_omp_clause): Make static.
17667 (is_in_combined_parallel_ctx): Remove.
17668 (is_combined_parallel): New.
17669 (extract_omp_for_data): Move earlier in the file.
17670 (workshare_safe_to_combine_p): New.
17671 (get_ws_args_for): New.
17672 (determine_parallel_type): Move earlier in the file.
17673 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17675 (omp_copy_decl): Likewise.
17676 (create_omp_child_function): Likewise.
17677 (lookup_omp_region): New.
17678 (dump_omp_region): New.
17679 (debug_omp_region): New.
17680 (debug_all_omp_regions): New.
17681 (new_omp_region): New.
17682 (scan_omp_parallel): If parallel_nesting_level > 1, the
17683 directive is nested within another parallel directive.
17684 Set OMP_PARALLEL_FN.
17685 (scan_omp_for): Do not try to handle combined parallel+for
17687 Remove FIXME comment.
17688 (scan_omp_nested): Remove.
17689 (scan_omp_1): Do not call scan_omp_nested when
17690 parallel_nesting_level is > 1.
17691 Do not change the DECL_CONTEXT of local variables found.
17692 (lookup_decl_in_outer_ctx): New.
17693 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17694 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17695 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17696 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17697 If CTX is nested, lookup VAR in the outer context when
17698 building copy assignment.
17699 (lower_send_clauses): Rename from expand_send_clauses.
17700 If CTX is nested, lookup VAR in the outer context when
17701 building copy assignments.
17702 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17703 If CTX is nested, lookup VAR in the outer context when
17704 building copy assignments.
17705 (expand_parallel_call): Rename from build_parallel_call.
17706 Handle combined parallel+workshare cases.
17707 Re-implement to emit code into the CFG.
17709 (expand_omp_parallel): Re-implement to emit code into the CFG.
17710 Call move_sese_region_to_fn to outline the sub-graph
17711 containing the parallel region.
17712 (expand_omp_for_1): Remove.
17713 (expand_omp_for_generic): Re-implement to emit code into the
17715 (expand_omp_for_static_nochunk): Likewise.
17716 (expand_omp_for_static_chunk): Likewise.
17717 (expand_omp_for): Likewise.
17718 (expand_omp_sections): Likewise.
17719 (remove_exit_barriers): New.
17720 (expand_omp_synch): New.
17722 (build_omp_regions_1): New.
17723 (build_omp_regions): New.
17724 (execute_expand_omp): New.
17725 (gate_expand_omp): New.
17726 (pass_expand_omp): Define.
17727 (lower_omp_sections): Rename from expand_omp_sections.
17728 Set OMP_SECTIONS_SECTIONS.
17729 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17730 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17731 (lower_omp_single): Rename from expand_omp_simple.
17732 (lower_omp_master): Rename from expand_omp_master.
17733 (lower_omp_ordered): Rename from expand_omp_ordered.
17734 (lower_omp_critical): Rename from expand_omp_critical.
17735 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17736 (lower_omp_for): Re-implement.
17737 (lower_omp_parallel): Re-implement.
17738 (lower_regimplify): Rename from expand_regimplify.
17739 (lower_omp_1): Rename from expand_omp_1.
17740 If there are syntax errors in the program, replace every
17741 OpenMP directive with NOP.
17742 Call lower_omp_* instead of expand_omp_*.
17743 (lower_omp): Rename from expand_omp.
17745 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17746 * tree-gimple.h (enum omp_parallel_type): Remove.
17747 (gimple_boolify): Declare extern.
17748 (find_omp_clause, determine_parallel_type): Remove.
17750 * gimple-low.c (lower_omp_directive): New.
17751 (lower_stmt): Call it.
17752 (record_vars_into): Move from ...
17753 (record_vars): ... here.
17754 Call record_vars_into with current_function_decl.
17756 * gimplify.c (struct gimplify_ctx): Remove fields
17757 combined_pre_p and combined_ctxp. Update users.
17758 (get_formal_tmp_var): Add documentation.
17759 (gimple_boolify): Make extern.
17760 (gimplify_expr_in_ctx): Remove. Update callers.
17761 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17762 will always be a BIND_EXPR.
17763 (gimplify_expr): Handle OMP_RETURN_EXPR.
17764 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17765 (OMP_PARALLEL): Add 3 operands.
17766 (OMP_SECTIONS): Add 1 operand.
17767 (OMP_RETURN_EXPR): Define.
17769 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17770 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17771 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17772 creating a circular free list.
17773 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17775 * tree-flow.h (move_sese_region_to_fn): Declare.
17776 (record_vars_into): Declare.
17777 * tree-cfg.c (make_omp_sections_edges): New.
17778 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17779 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17780 OMP_SECTIONS and OMP_SECTION.
17781 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17782 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17783 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17784 (gather_blocks_in_sese_region): New.
17785 (struct move_stmt_d): Declare.
17786 (move_stmt_r): New.
17787 (move_block_to_fn): New.
17788 (move_sese_region_to_fn): New.
17790 * passes.c (init_optimization_passes): Schedule
17791 pass_expand_omp after pass_init_datastructures.
17793 * tree-ssa-operands.c (get_expr_operands): Handle
17794 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17795 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17797 2006-01-19 Jeff Law <law@redhat.com>
17799 * tree-vrp.c (extract_range_from_assert): Refine the result range
17800 if the variable referenced by the ASSERT_EXPR has a range and
17801 either the tentative result range or the previous range is a
17804 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17806 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17808 2006-01-19 Jan Hubicka <jh@suse.cz>
17810 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17812 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17814 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17815 (expand_compound_operation, expand_field_assignment): Fail if the
17816 bit lengths of an extract operation are out of range.
17817 (make_extraction): Compute wanted_inner_mode based on the position
17818 and length of the extraction. Make it extraction_mode for non-constant
17819 positions, and do not modify offset in that case. When generating a
17820 new MEM, use a mode that can hold the extraction while keeping correct
17821 alignment. Remove code that supported MEMs wrapped by USEs.
17822 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17824 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17826 * config/s390/s390.md ("Y", "y"): New mode attribute.
17827 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17828 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17829 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17830 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17831 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17832 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17833 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17834 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17835 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17836 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17837 "addsi3", "subsi3"): Insn patterns removed.
17838 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17839 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17840 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17841 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17842 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17843 "*sub<mode>3_cconly2"): New insn patterns.
17844 ("addsi3", "subsi3"): New expanders.
17846 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17848 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17849 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17850 existing STMT_VINFO_VECTYPE if available.
17851 (vect_mark_relevant): Add special handling for stmts that are
17852 marked as STMT_VINFO_IN_PATTERN_P.
17853 (vect_analyze_loop): Call vect_pattern_recog.
17854 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17855 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17857 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17858 (vect_recog_func_ptr): New function-pointer type.
17859 * tree-vect-patterns.c: New file.
17860 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17861 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17862 (vect_pattern_recog_1): New functions.
17863 (vect_pattern_recog_funcs): New array of function pointers.
17865 * tree-vectorizer.h (ternary_op): New enum value.
17866 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17867 declaration. Revised documentation. Removed redundant dump prints.
17868 Removed redundant argument. Added support for reduction patterns.
17869 (vectorizable_reduction): Added support for reduction patterns.
17870 (vect_transform_stmt): Added support for patterns.
17872 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
17873 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
17874 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
17875 (expand_widen_pattern_expr): New function.
17876 (init_optabs): Initialize new optabs udot_prod_optab,
17878 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
17879 (sdot_prod_optab, udot_prod_optab): Define new optabs.
17880 (expand_widen_pattern_expr): New function declaration.
17881 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
17883 * tree-inline.c (estimate_num_insns_1): Added cases for new
17884 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17885 * tree-pretty-print.c (dump_generic_node): Likewise.
17886 (op_prio): Likewise.
17887 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
17888 * tree-ssa-operands.c (get_expr_operands): Added case for
17890 * tree-vect-patterns.c (widened_name_p): New function.
17891 (vect_recog_dot_prod_pattern): Added function implementation.
17892 * tree-vect-transform.c (get_initial_def_for_reduction): Added
17893 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
17894 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
17895 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
17897 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
17898 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
17899 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
17900 (init_optabs): Initialize new optabs widen_ssum_optab,
17902 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
17903 (widen_ssum_optab, widen_usum_optab): Define new optabs.
17904 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
17905 use instead of type of def.
17906 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
17907 function implementation.
17908 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
17909 widen_ssumv8hi): New.
17911 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
17914 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17917 * c-decl.c (add_flexible_array_elts_to_size): New function.
17918 (finish_decl): Use it.
17920 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
17922 * diagnostic.h: Include options.h.
17923 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
17924 dependancies for diagnostic.h.
17925 * Makefile.in (DIAGNOSTIC_H): Add options.h.
17927 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
17929 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
17930 (ssa_ro_call_cache_valid): Ditto.
17931 * tree-ssa-alias.c (sort_tags_by_id): New function.
17932 (init_transitive_clobber_worklist): Ditto.
17933 (add_to_worklist): Ditto.
17934 (mark_aliases_call_clobbered): Ditto.
17935 (compute_tag_properties): Ditto.
17936 (set_initial_properties): Ditto.
17937 (compute_call_clobbered): Ditto.
17938 (compute_may_aliases): Call compute_call_clobbered and grouping.
17939 (compute_flow_sensitive_aliasing): Remove clobbering related code.
17940 (compute_flow_insensitive_aliasing): Grouping now happens in our
17942 (setup_pointers_and_addressables): Remove clobbering related code.
17943 (add_may_alias): Ditto.
17944 (replace_may_alias): Ditto.
17945 (get_nmt_for): Ditto.
17946 (create_global_var):
17947 (is_escape_site): Return an escape_type enumeration.
17948 * tree-flow-inline.h (is_call_clobbered): Global var does not
17949 imply call clobbered.
17950 (mark_call_clobbered): Take a reason for marking this. Remove
17951 marking of globalness, and cache invalidation.
17952 (clear_call_clobbered): Remove cache invalidation code.
17953 * tree-dfa.c (dump_variable): If details is on, dump the reason
17955 * tree-outof-ssa.c (create_temp): Copy escape mask from original
17957 * tree-flow.h (struct ptr_info_def): Add escape mask member.
17958 (struct var_ann_d): Ditto.
17959 (enum escape_type): New.
17960 (mark_call_clobbered): Adjust prototype.
17961 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
17962 are never call clobbered.
17963 Record reasons for escaping.
17964 * tree-ssa-structalias.h (is_escape_site): Update prototype.
17965 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
17966 (ssa_ro_call_cache_valid): Ditto.
17967 (clobbered_v_may_defs): Ditto.
17968 (clobbered_vuses): Ditto.
17969 (ro_call_vuses): Ditto.
17970 (clobber_stats): New.
17971 (init_ssa_operands): Zero out clobber stats.
17972 (fini_ssa_operands): Print out clobber stats.
17973 (get_call_expr_operands): Pass callee fndecl to
17974 add_call_read_ops).
17975 (add_call_clobber_ops): Remove use of cache.
17976 Add use of PURE_CONST information.
17977 (add_call_read_ops): Remove use of cache.
17978 Add use of static not_read information.
17980 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
17982 Introduce TLS descriptors for i386 and x86_64.
17983 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
17984 (TARGET_ANY_GNU_TLS): New macro.
17985 (enum tls_dialect): Added TLS_DIALECT_GNU2.
17986 (struct machine_function): Add tls_descriptor_call_expanded_p.
17987 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
17988 (ix86_current_function_calls_tls_descriptor): Likewise.
17989 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
17990 (override_options): Introduce gnu2 tls dialect.
17991 (ix86_frame_pointer_required): Functions containing TLSCALLs are
17993 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
17995 (legitimize_tls_address): Adjust logic for GNU2 TLS.
17996 (ix86_init_machine_status): Initialize new field.
17997 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
17998 (ix86_tls_module_base): New.
17999 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18000 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18001 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18002 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18003 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18004 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18005 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18006 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18007 * config/i386/predicates.md (tls_modbase_operand): New.
18008 (tp_or_register_operand): New.
18010 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18012 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18013 (look_for_address_of): Ditto.
18014 (ipa_init): Walk the function decls.
18015 (static_execute): Don't set readonly on FUNCTION_DECL's.
18017 2006-01-18 Roger Sayle <roger@eyesopen.com>
18019 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18020 for shifts where the source and destination registers are different.
18022 2006-01-18 Paul Brook <paul@codesourcery.com>
18024 Merge from csl-arm-branch.
18025 2005-03-14 Julian Brown <julian@codesourcery.com>
18026 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18027 (aeabi_llsl): Likewise.
18028 (ashrdi3): Likewise.
18029 (aeabi_lasr): Likewise.
18030 (lshrdi3): Likewise.
18031 (aeabi_llsr): Likewise.
18032 2005-03-10 Julian Brown <julian@codesourcery.com>
18033 * config.gcc: Disable shared libgcc for SymbianOS.
18034 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18036 2006-01-18 DJ Delorie <dj@redhat.com>
18038 * c-pragma.c (handle_pragma_diagnostic): New.
18039 (init_pragma): Register it.
18040 * doc/extend.texi: Document it.
18042 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18043 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18044 (diagnostic_context): Add classify_diagnostic[].
18045 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18046 as errors if they're overridden to DK_WARNING.
18047 (diagnostic_initialize): Initialize classify_diagnostic[].
18048 (diagnostic_set_kind_override): New.
18049 (diagnostic_report_diagnostic): Check for kind changes.
18050 * opts.c (common_handle_option): Take lang_mask. Update callers.
18051 Handle OPT_Werror_.
18052 * common.opt (Werror=): New.
18053 * doc/invoke.texi: Document -Werror=*
18055 2006-01-18 Jeff Law <law@redhat.com>
18057 * tree-vrp.c (test_for_singularity): Correct test for new
18058 min limit. Use operand_equal_p rather than pointer equality
18059 for testing if new min/max values are equal.
18061 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18062 using range information until after propagation and folding.
18064 2006-01-18 Richard Henderson <rth@redhat.com>
18065 Aldy Hernandez <aldyh@redhat.com>
18066 Jakub Jelinek <jakub@redhat.com>
18067 Diego Novillo <dnovillo@redhat.com>
18069 * omp-low.c: New file.
18070 * c-omp.c: New file.
18072 2006-01-18 Richard Henderson <rth@redhat.com>
18073 Jakub Jelinek <jakub@redhat.com>
18074 Diego Novillo <dnovillo@redhat.com>
18076 * doc/invoke.texi: Document -fopenmp.
18077 * tree-dump.h (debug_function): Declare.
18078 * hooks.c (hook_bool_tree_bool_false): New function.
18079 (hook_tree_tree_null): Remove.
18080 (hook_tree_tree_tree_null): New.
18081 * hooks.h: Update to match.
18082 * tree-pretty-print.c (debug_tree_chain): New.
18083 (print_generic_expr): Handle TDF_CHAIN.
18084 (dump_generic_node): Handle BLOCK.
18085 Do not abort with incomplete SWITCH_EXPRs.
18086 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18087 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18088 print space after directive name.
18089 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18090 Handle OMP_MASTER and OMP_ORDERED.
18091 Handle printing of OMP_BODY just in one place, goto
18092 dump_omp_body in the rest of OMP_* nodes that have
18094 Don't handle clause nodes here. Update omp statements to
18095 use dump_omp_clauses.
18096 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18097 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18098 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18099 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18100 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18101 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18102 Adjust output for GOMP_PARALLEL.
18103 (dump_omp_clauses): New.
18104 (print_declaration): Dump DECL_VALUE_EXPR.
18105 (op_symbol_1): Split out of op_symbol.
18106 (dumping_stmts): Remove. Update all users.
18107 * cgraph.c (cgraph_analyze_queue): New.
18108 (cgraph_add_new_function): New.
18109 * cgraph.h (cgraph_analyze_queue): Declare.
18110 (cgraph_add_new_function): Declare.
18111 (cgraph_lower_function): Remove.
18112 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18113 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18114 and TYPE_P nodes in its default clause.
18115 (empty_body_p): New.
18116 (tree_range_check_failed): New.
18117 (build5_stat): New.
18118 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18119 OMP_CLAUSE_REDUCTION_MERGE,
18120 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18121 OMP_CLAUSE_PRIVATE_DEBUG,
18122 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18123 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18124 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18125 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18126 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18127 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18128 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18129 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18130 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18131 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18132 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18133 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18134 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18135 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18136 (TREE_RANGE_CHECK): New.
18137 (empty_body_p): Declare.
18138 (enum omp_clause_default_kind): New.
18139 (build_string_literal): Declare.
18140 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18141 (build5_stat, build5): Declare.
18142 * tree-pass.h (TDF_CHAIN): Define.
18143 * tree-pass.h (PROP_gimple_lomp): Define.
18144 (pass_lower_omp): Declare.
18145 * diagnostic.h (debug_tree_chain): Declare.
18146 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18148 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18149 * builtins.c (build_string_literal): Make extern.
18150 * gcc.c (include_spec_function): New.
18151 (static_spec_functions): Add it.
18152 (main): Move load of libgomp.spec ...
18153 (LINK_COMMAND_SPEC): ... here.
18154 (link_gomp_spec): New.
18155 (static_specs): Include it.
18156 (LINK_COMMAND_SPEC): Add link_gomp.
18157 (GOMP_SELF_SPECS): New.
18158 (driver_self_specs): Include it.
18159 (switch_matches): Don't mark inline.
18160 (main): Load libgomp.spec.
18161 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18162 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18163 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18164 * tree-gimple.h (enum omp_parallel): Declare.
18165 (determine_parallel_type): Declare.
18166 (omp_firstprivatize_variable): Declare.
18167 (omp_reduction_init): Declare.
18168 (diagnose_omp_structured_block_errors): Declare.
18169 (struct walk_stmt_info): Add want_return_expr.
18170 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18171 (find_omp_clause): Declare.
18172 (insert_field_into_struct): Declare.
18173 (struct walk_stmt_info): Move from tree-nested.c
18174 (walk_stmts): Declare.
18175 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18177 * cgraphunit.c (cgraph_lower_function): Make static.
18178 (cgraph_finalize_pending_functions): New.
18179 (cgraph_finalize_function): Call it.
18180 (cgraph_finalize_compilation_unit): Likewise.
18181 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18182 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18183 (BT_FN_UINT_UINT): New.
18184 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18185 DEF_FUNCTION_TYPE_VAR_4): Document.
18186 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18187 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18188 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18189 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18190 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18191 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18192 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18193 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18194 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18195 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18196 into separate files.
18197 (DEF_GOMP_BUILTIN): New.
18198 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18199 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18200 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18201 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18202 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18203 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18204 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18205 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18206 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18207 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18208 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18209 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18210 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18211 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18212 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18213 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18214 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18215 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18216 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18217 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18218 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18219 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18220 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18221 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18222 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18223 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18224 * sync-builtins.def: New file, moved from builtins.def.
18225 * omp-builtins.def: New file, moved from builtins.def.
18226 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18227 * gimple-low.c (lower_function_body): Clear data.
18228 (lower_stmt): Do not handle COMPOUND_EXPR.
18229 Remove call to print_node_brief.
18230 * c-tree.h (c_finish_omp_clauses): New prototype.
18231 (C_DECL_THREADPRIVATE_P): Define.
18232 (lookup_name_no_remap, c_omp_remap_private): Remove
18233 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18234 (check_for_loop_decls): Update decl.
18235 (lookup_name_no_remap, c_omp_remap_private): Declare.
18236 (build_indirect_ref, build_modify_expr, pushdecl,
18237 pushdecl_top_level): Move to c-common.h.
18238 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18239 before the switch, but just in the 2 places that need it.
18240 * c-decl.c (diagnose_mismatched_decls): Do not check for
18241 mismatched thread-local attributes when OLDDECL is marked
18242 threadprivate and NEWDECL has no thread-local attributes.
18243 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18244 (c_gimple_diagnostics_recursively): Rename from
18245 c_warn_unused_result_recursively. Invoke
18246 diagnose_omp_structured_block_errors.
18247 (check_for_loop_decls): Return a singular decl found.
18248 * langhooks.c (lhd_omp_predetermined_sharing): Return
18249 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18250 (lhd_omp_firstprivatize_type_sizes): New.
18251 (lhd_omp_assignment): New.
18252 (lhd_omp_predetermined_sharing): New.
18253 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18254 (struct lang_hooks_for_types): Add
18255 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18256 omp_predetermined_sharing, omp_disregard_value_expr,
18257 omp_private_debug_clause, omp_clause_default_ctor,
18258 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18259 (c_finish_omp_clauses): New.
18260 (c_finish_bc_stmt): Diagnose break within omp for.
18261 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18262 (build_unary_op): Return error_mark after reporting
18264 (build_modify_expr): Likewise.
18265 * gimplify.c: Include optabs.h and pointer-set.h.
18266 (enum gimplify_omp_var_data): Declare.
18267 (struct gimplify_omp_ctx): Declare.
18268 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18270 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18271 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18272 (splay_tree_compare_decl_uid): New.
18273 (new_omp_context): New.
18274 (delete_omp_context): New.
18275 (gimple_add_tmp_var): Call omp_add_variable.
18276 (gimplify_bind_expr): Likewise.
18277 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18278 true, disregard DECL_VALUE_EXPR on the decl if any.
18279 (gimplify_expr_in_ctx): New.
18280 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18281 omp_add_variable, omp_notice_variable, omp_is_private
18282 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18283 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18284 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18285 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18286 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18287 gimplify_omp_atomic): New.
18288 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18289 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18290 OMP_CRITICAL and OMP_ATOMIC.
18291 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18292 * c-pragma.h (enum pragma_kind): Add
18293 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18294 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18295 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18296 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18297 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18298 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18299 PRAGMA_OMP_THREADPRIVATE.
18300 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18301 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18302 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18303 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18304 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18305 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18306 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18307 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18308 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18309 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18310 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18311 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18312 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18314 (struct nesting_info): Add field_map,
18315 suppress_expansion, debug_var_chain.
18316 (create_nesting_tree): Initialize them.
18317 (lookup_field_for_decl): Use field_map.
18318 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18319 (convert_local_omp_clauses): New.
18320 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18321 (walk_body): Split out of walk_function.
18322 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18323 (convert_nonlocal_reference): Handle omp statements.
18324 (convert_local_reference): Likewise.
18325 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18326 (unnest_nesting_tree): New.
18327 (lower_nested_functions): Call it.
18328 (insert_field_into_struct): Make extern.
18329 (struct walk_stmt_info): Move to tree-gimple.h.
18330 (walk_stmts): Make extern.
18331 * omp-builtins.def: New file.
18332 * tree-iterator.c (expr_only): Clarify comment.
18333 * c-common.h (pushdecl_top_level, pushdecl,
18334 build_modify_expr, build_indirect_ref,
18335 c_finish_omp_master, c_finish_omp_critical,
18336 c_finish_omp_ordered, c_finish_omp_barrier,
18337 c_finish_omp_atomic, c_finish_omp_flush,
18338 c_finish_omp_for, c_split_parallel_clauses,
18339 omp_clause_default_kind, c_omp_sharing_predetermined,
18340 c_omp_remap_decl): Declare.
18341 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18342 (OBJS-common): Add omp-low.o.
18343 (c-omp.o, omp-low.o): Add.
18344 (gimplify.o): Add dependency on $(OPTABS_H).
18345 (GTFILES): Add omp-low.c.
18346 (gt-stringpool.h): Add.
18347 * tree-cfg.c (set_bb_for_stmt): Do not update the
18348 block-to-labels map if we are currently expanding to RTL.
18349 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18351 Handle IDENTIFIER_NODE.
18352 (tree_verify_flow_info): Do not ICE when emitting error
18353 messages about invalid labels.
18354 (dump_function_to_file): Reset CFUN before emitting the body
18356 (debug_function): New.
18357 * passes.c (init_optimization_passes): Schedule
18359 * langhooks-def.h (lhd_omp_predetermined_sharing,
18360 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18362 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18363 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18364 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18365 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18366 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18367 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18368 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18369 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18370 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18371 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18372 (LANG_HOOK_DECLS): Use them.
18374 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18375 Richard Henderson <rth@redhat.com>
18376 Jakub Jelinek <jakub@redhat.com>
18377 Diego Novillo <dnovillo@redhat.com>
18379 * c-parser.c (pragma_omp_clause): Define.
18380 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18381 (c_parser_compound_statement): Likewise.
18382 (c_parser_statement): Likewise.
18383 (c_parser_pragma): Handle omp pragmas.
18384 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18385 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18386 (c_parser_omp_clause_name, check_no_duplicate_clause,
18387 c_parser_omp_variable_list,
18388 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18389 c_parser_omp_clause_copyprivate,
18390 c_parser_omp_clause_default,
18391 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18392 c_parser_omp_clause_lastprivate,
18393 c_parser_omp_clause_nowait,
18394 c_parser_omp_clause_num_threads,
18395 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18396 c_parser_omp_clause_reduction,
18397 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18398 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18399 c_parser_omp_atomic, c_parser_omp_barrier,
18400 c_parser_omp_critical, c_parser_omp_flush,
18401 c_parser_omp_for_loop, c_parser_omp_for,
18402 c_parser_omp_master, c_parser_omp_ordered,
18403 c_parser_omp_sections_scope, c_parser_omp_sections,
18404 c_parser_omp_parallel, c_parser_omp_single,
18405 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18406 * c-pragma.c (init_pragma): Do omp pragma registration here.
18407 * c.opt (fopenmp): New flag.
18409 2006-01-18 Eric Christopher <echristo@apple.com>
18411 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18412 * config/darwin.h (GOMP_SELF_SPECS): Define.
18414 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18416 * rtl.h: Remove the prototype for reg_alloc.
18418 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18421 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18422 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18423 sjlj and dwarf2 exception handling.
18424 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18425 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18426 * pa/pa.c (function_value): Treat complex and vector types as
18428 (function_arg): Likewise. Only pass scalar floats in the floating
18429 point argument registers.
18430 * pa/t-slibgcc-dwarf-ver: New file.
18431 * pa/t-slibgcc-sjlj-ver: New file.
18432 * pa/t-slibgcc-elf-ver: Delete file.
18434 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18436 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18437 unlikely_test_section_p test.
18439 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18441 * mode-switching.c (optimize_mode_switching): Make it static.
18442 * basic-block.h: Remove the prototype for
18443 optimize_mode_switching.
18445 * modulo-sched.c (sms_schedule): Make it static.
18446 * rtl.h: Remove the prototype for sms_schedule.
18448 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18449 * rtl.h: Remove the prototype for gcse_after_reload_main.
18451 * reg-stack.c (reg_to_stack): Make it static.
18452 * rtl.h: Remove the prototype for reg_to_stack.
18454 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18456 * rtl.h: Remove the prototypes for regrename_optimize and
18457 copyprop_hardreg_forward.
18459 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18461 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18462 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18463 Test against the appropriate null constant for the mode.
18464 If 'fixup_overlap' is true, swap the operands if they overlap.
18465 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18466 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18467 alpha_split_tmode_pair and adjust for above change.
18468 * config/alpha/alpha.md (movtf_internal): Adjust call to
18469 alpha_split_tfmode_pair and rely on it to swap the operands.
18470 (movti_internal): New insn and post-reload splitter.
18471 (movti): New expander.
18473 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18475 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18478 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18480 * rtlanal.c (global_reg_mentioned_p_1,
18481 global_reg_mentioned_p): Remove.
18482 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18484 * flow.c (initialize_uninitialized_subregs): Make it static.
18485 * rtl.h: Remove the prototype for
18486 initialize_uninitialized_subregs.
18488 * function.c (instantiate_virtual_regs): Make it static.
18489 * function.h: Remove the prototype for
18490 instantiate_virtual_regs.
18492 * regmove.c (regmove_optimize, combine_stack_adjustments):
18494 * rtl.h: Remove the prototypes for regmove_optimize and
18495 combine_stack_adjustments.
18497 2006-01-17 Roger Sayle <roger@eyesopen.com>
18499 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18500 (size_cost): Encode costs in bytes so that a reg-reg addition is
18501 equivalent to COSTS_N_INSNS(1).
18502 (override_options): Use the size_cost.branch_cost as the default
18503 ix86_branch_cost when optimizing for size.
18505 2006-01-18 Ben Elliston <bje@au.ibm.com>
18507 * Makefile.in (D32PBIT_FUNCS): New.
18508 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18509 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18510 D64PBIT_FUNCS and D128PBIT_FUNCS.
18511 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18512 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18514 (decnumber_dep): Define.
18515 * doc/libgcc.texi (Decimal float library routines): New node.
18516 * config/dfp-bit.h, config/dfp-bit.c: New files.
18518 2006-01-18 Ben Elliston <bje@au.ibm.com>
18520 * expr.c (emit_move_change_mode): Always adjust addresses, not
18521 just during reload. Copy replacements only during reload.
18522 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18523 emit_move_via_integer.
18525 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18527 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18528 instead of $(srcdir) and ${srcdir}.
18530 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18533 PR middle-end/11135
18534 * arm.h (struct machine_function): Add pic_reg.
18535 * arm.c (arm_pic_register): Make unsigned.
18536 (arm_override_options): Only set arm_pic_register if
18537 TARGET_SINGLE_PIC_BASE.
18538 (use_return_insn): Only test for a pic register if it is fixed.
18539 (arm_compute_save_reg0_reg12_mask): Likewise.
18540 (thumb_compute_save_reg_mask): Likewise.
18541 (legitimate_pic_operand): Factor out some known invariants.
18542 (legitimize_pic_address): If we don't have a fixed pic register,
18543 then set up a pseudo in the function entry sequence. Handle the
18544 pic base being in a pseudo.
18545 (arm_load_pic_register): Handle the pic register being in a pseudo.
18546 (arm_expand_prologue): Only set up the pic register if it is fixed.
18547 (thumb_expand_prologue): Likewise.
18548 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18549 (pic_load_addr_based_insn): Likewise.
18550 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18553 2006-01-18 Ben Elliston <bje@au.ibm.com>
18555 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18556 decimal float modes for all floating point registers.
18558 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18559 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18561 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18564 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18565 even when the pointer is not NULL.
18567 2006-01-16 Ian Lance Taylor <ian@airs.com>
18569 * common.opt (ftoplevel-reorder): New option.
18570 * cgraph.c (cgraph_asm_nodes): New global variable.
18571 (cgraph_asm_last_node): New static variable.
18572 (cgraph_order): New global variable.
18573 (cgraph_create_node): Set new order field.
18574 (cgraph_varpool_node): Likewise.
18575 (decide_is_variable_needed): Return true if not
18576 flag_toplevel_reorder.
18577 (cgraph_add_asm_node): New function.
18578 * cgraph.h (struct cgraph_node): Add order field.
18579 (struct cgraph_varpool_node): Add order field.
18580 (struct cgraph_asm_node): Define.
18581 (cgraph_asm_nodes, cgraph_order): Declare.
18582 (cgraph_add_asm_node): Declare.
18583 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18585 (cgraph_varpool_assemble_pending_decls): Call it.
18586 (cgraph_output_pending_asms): New static function.
18587 (cgraph_finalize_compilation_unit): Call it.
18588 (struct cgraph_order_sort): Define.
18589 (cgraph_output_in_order): New static function.
18590 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18591 !flag_toplevel_reorder case.
18592 * c-parser.c: Include "cgraph.h".
18593 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18595 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18596 than -fno-unit-at-a-time.
18597 * doc/invoke.texi (Option Summary): Mention
18598 -fno-toplevel-reorder.
18599 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18600 -funit-at-a-time documentation.
18602 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18603 Kazu Hirata <kazu@codesourcery.com>
18605 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18607 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18609 * Makefile.in (FUNCTION_H): New. Use it instead of
18610 function.h throughout the file.
18611 * function.h: Include tree.h.
18613 2006-01-17 Ben Elliston <bje@au.ibm.com>
18615 * recog.c: Separate some functions with whitespace.
18617 2006-01-16 Richard Henderson <rth@redhat.com>
18619 Merge from gomp branch:
18620 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18621 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18622 and rename from struct inline_data. Rename callee* to dst*;
18623 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18624 transform_new_cfg, transform_return_to_modify, and
18625 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18627 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18628 (copy_decl_for_dup): Remove.
18629 * tree-inline.c (struct inline_data): Move to header.
18630 (insert_decl_map): Export.
18631 (remap_decl): Update for member name changes. Use copy_decl hook.
18632 Allow for replacement to be a non-decl. Remove dead code.
18633 (remap_type_1): Check for existing mapping.
18634 (remap_type): Export.
18635 (remap_decls): Update for member name changes.
18636 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18637 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18638 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18639 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18640 (tree_function_versioning, build_duplicate_type): Likewise.
18641 (copy_body_r): Likewise. Export.
18642 (copy_decl_for_dup): Split into ...
18643 (copy_decl_for_dup_finish, copy_decl_to_var,
18644 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18645 (replace_ref_tree, inlining_p): Remove.
18647 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18649 * ifcvt.c (if_convert): Make it static.
18650 * rtl.h: Remove the prototype for if_convert.
18652 * local-alloc.c (local_alloc): Make it static.
18653 * rtl.h: Remove the prototype for local_alloc.
18655 * loop.c (loop_optimize): Make it static.
18656 * cfgloop.h: Remove the prototype for loop_optimize.
18659 2006-01-16 DJ Delorie <dj@redhat.com>
18661 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18664 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18666 * pa.md: Disparage copies between general and floating-point registers
18667 in 32-bit move patterns.
18669 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18672 * Makefile.in (check-%): Depend on site.exp instead of
18673 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18676 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18678 * global.c (global_alloc): Make it static.
18679 * rtl.h: Remove the prototype for global_alloc.
18681 2006-01-16 Richard Guenther <rguenther@suse.de>
18683 * tree-ssa-alias.c (struct used_part): Add write_only field.
18684 (get_or_create_used_part_for): Initialize it to true.
18685 (create_overlap_variables_for): Don't create structure variables
18686 for structures that only are written to.
18687 (find_used_portions): Handle MODIFY_EXPR to track whether a
18688 structure is only written to.
18690 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18692 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18694 * basic-block.h: Remove the prototype for
18695 partition_hot_cold_basic_blocks.
18697 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18699 * cppspec.c (lang_specific_spec_functions): Remove.
18700 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18701 * gcc.h (lang_specific_spec_functions): Remove.
18702 * gccspec.c (lang_specific_spec_functions): Remove.
18704 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18706 * combine.c (record_value_for_reg): Invalidate registers
18708 (record_dead_and_set_regs_1): Likewise, by passing them to
18709 record_value_for_reg.
18710 (record_dead_and_set_regs): Invalidate stores made by a
18711 call. We do not combine across a call, but we still
18712 relied on equivalences.
18714 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18716 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18717 vrp_int_const_binop returning non-constant nodes.
18719 2006-01-16 Paul Brook <paul@codesourcery.com>
18721 * config/m68k/m68k.c (output_move_const_into_data_reg):
18722 Output correct mnemonic for mvz and mvs.
18724 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18726 * rtl-factoring.c: Add sequence abstraction algorithm.
18727 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18728 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18730 (block_has_preserve_label): New function.
18731 * common.opt: Register new pass.
18732 * Makefile.in: Ditto.
18734 * timevar.def: Ditto.
18735 * tree-pass.h: Ditto.
18736 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18737 * rtl.h (make_jump_insn_raw): Add forward decl.
18738 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18740 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18741 Roger Sayle <roger@eyesopen.com>
18743 * fold-const.c (fold_minmax): New static function.
18744 (fold_binary) <MIN_EXPR>: Call it.
18745 <MAX_EXPR>: Likewise.
18746 * stor-layout.c (place_field): Use DECL_SIZE consistently
18747 in the computation of the new record size.
18749 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18751 * cse.c (cse_condition_code_reg): Make it static.
18752 * rtl.h: Remove the prototype for cse_condition_code_reg.
18754 * combine.c (combine_instructions): Make it static.
18755 * rtl.h: Remove the prototype for combine_instructions.
18757 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18760 * tree.c (get_file_function_name_long): Concatenate the first global
18761 object name with a string derived from the input filename of the object
18764 2006-01-16 Ben Elliston <bje@au.ibm.com>
18766 * config/i386/winnt-stubs.c: Update FSF address.
18767 * config/xtensa/ieee754-df.S: Ditto.
18768 * config/xtensa/ieee754-sf.S: Ditto.
18770 2006-01-14 Ian Lance Taylor <ian@airs.com>
18772 * ifcvt.c (noce_init_if_info): New static function, broken out of
18773 noce_process_if_block.
18774 (noce_process_if_block): Call noce_init_if_info.
18775 (check_cond_move_block): New static function.
18776 (cond_move_process_if_block): New static function.
18777 (process_if_block): Call cond_move_process_if_block.
18779 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18781 * cselib.c (hash_table): Rename to cselib_hash_table.
18782 (cselib_clear_table, discard_useless_values,
18783 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18784 cselib_init, cselib_finish): Adjust uses of hash_table.
18786 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18788 PR tree-optimization/25485
18789 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18790 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18791 is known to be false and true, respectively.
18793 2006-01-14 Richard Guenther <rguenther@suse.de>
18795 PR tree-optimization/22548
18796 PR tree-optimization/22555
18797 PR tree-optimization/22501
18798 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18799 * params.def (salias-max-array-elements): New parameter.
18800 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18801 * doc/invoke.texi (salias-max-array-elements): Document.
18802 * tree-flow-inline.h (var_can_have_subvars): We also handle
18804 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18806 * tree-ssa-structalias.c (params.h): Include.
18807 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18808 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18809 (get_constraint_for): For ADDR_EXPR operating on something
18810 containing an ARRAY_REF, add all subvars to the solution.
18811 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18812 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18813 for creating MUST_DEFs.
18814 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18816 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18818 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18820 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18821 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18822 number_of_iterations_le): New functions.
18823 (number_of_iterations_special): Removed.
18824 (number_of_iterations_exit): Do not use number_of_iterations_special.
18825 * tree.c (unsigned_type_for): Always return integer type.
18827 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18828 Richard Guenther <rguenther@suse.de>
18830 PR rtl-optimization/24257
18831 * gcse.c (find_moveable_store): Only consider a store movable
18832 when the SET_SRC of the insn can be assigned to a register.
18834 2006-01-14 Ian Lance Taylor <ian@airs.com>
18836 * tree.c (tree_not_class_check_failed): New function.
18837 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18838 (tree_not_class_check_failed): Declare.
18840 2006-01-13 Ian Lance Taylor <ian@airs.com>
18842 * reload1.c (do_output_reload): Add assertion rejecting a
18845 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18847 * combine.c (struct reg_stat): Add new fields truncation_label and
18849 (record_value_for_reg): Reset truncated_to_mode.
18850 (record_truncated_value): New function.
18851 (check_promoted_subreg): Call it. Rename to check_conversions.
18852 (combine_instructions): Rename check_promoted_subreg to
18854 (reg_truncated_to_mode): New function.
18855 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18856 (gen_lowpart_or_truncate): New function.
18857 (force_to_mode): Use it instead of gen_lowpart.
18859 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18861 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18862 VAR is a tag, not its type tag.
18864 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18866 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18867 alternatives to match style of other entries.
18868 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18870 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18872 PR tree-optimization/25771
18873 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
18876 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
18879 * tree-inline.c (declare_return_variable): If the return variable
18880 was marked as a non gimple complex, set the return slot variable
18881 to be a non gimple comple variable.
18883 2006-01-13 Richard Guenther <rguenther@suse.de>
18885 * builtins.c (expand_builtin_sincos): New function.
18886 (expand_builtin_mathfn_3): Remove dead code, sin and cos
18888 (expand_builtin): Expand sincos using expand_builtin_sincos.
18890 2006-01-12 DJ Delorie <dj@redhat.com>
18892 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
18893 shift counts, separate SI shifts for m32c vs m16c, pass shift type
18894 so that constant shifts can be split.
18895 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
18896 (m32c_valid_pointer_mode): Make static.
18897 (shift_gen_func_for): New.
18898 (m32c_prepare_shift): Use it. Split large const shifts into
18900 * config/m32c/predicates.md (shiftcount_operand): Allow more
18902 (longshiftcount_operand): New.
18903 * doc/md.texi (Machine Constraints): Document In6.
18905 2006-01-13 Ben Elliston <bje@au.ibm.com>
18907 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
18908 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
18911 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
18913 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
18914 to try to avoid clobbering pieces of structures when we know
18915 something about the whole structure.
18916 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
18918 2006-01-13 Ben Elliston <bje@au.ibm.com>
18920 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
18921 return in memory, as this is no limitation is no longer present.
18923 2006-01-12 DJ Delorie <dj@redhat.com>
18925 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
18926 mova with fb, and for fb+0 -> An.
18928 * config/m32c/mov.md (peephole2): Fix enabling logic.
18930 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
18931 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
18932 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
18933 FINI_ARRAY_SECTION_ASM_OP): Define.
18935 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
18937 (m32c_legitimize_reload_address): New logic to reload FB to An.
18938 (m32c_output_reg_push): Add newline.
18939 (m32c_output_reg_pop): Likewise.
18941 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
18943 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
18945 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
18947 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
18949 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18951 * config/sh/predicates.md (sh_rep_vec): Add parallel to
18954 2006-01-11 Ben Elliston <bje@au.ibm.com>
18956 * rtlanal.c (find_reg_note): Assert insn is not null.
18958 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
18960 * df-scan.c (df_hard_reg_init): Move declaration of i outside
18963 2006-01-11 Jeff Law <law@redhat.com>
18965 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
18967 (mark_threaded_blocks, register_jump_thread): New functions.
18968 (thread_through_all_blocks): Remove unwanted argument. No
18969 longer rely on e->aux to communicate thread target info.
18970 Call mark_threaded_blocks. Release the threaded_blocks
18971 bitmap and threaded_edges vector when complete.
18972 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
18973 (threaded_blocks): Remove.
18974 (tree_ssa_dominator_optimize): Remove initialization and
18975 finalization of threaded_blocks. Simplify call to
18976 thread_through_all_blocks.
18977 (thread_across_edge): Call register_jump_thread rather than
18978 storing thread information into e->aux.
18979 (free_all_edge_infos): Simplify now that e->aux is no longer
18980 used to communicate with thread_through_all_blocks.
18981 * tree-flow.h (thread_through_all_blocks): Update prototype.
18982 (register_jump_thread): Prototype.
18984 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18986 * df-core.c (df_compact_blocks, df_bb_replace): Use
18987 SET_BASIC_BLOCK instead of BASIC_BLOCK.
18989 2006-01-11 Richard Guenther <rguenther@suse.de>
18991 PR tree-optimization/25734
18992 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
18993 stop propagation after successful propagation to the LHS.
18995 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
18997 * basic-block.h (control_flow_graph): Change the type of
18998 x_basic_block_info to VEC(basic_block,gc) *.
18999 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19001 (SET_BASIC_BLOCK): New.
19002 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19003 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19004 * cfgbuild.c (find_basic_blocks): Likewise.
19005 * cfglayout.c (fixup_reorder_chain): Likewise.
19006 * cfgrtl.c (create_basic_block_structure,
19007 rtl_create_basic_block): Likewise.
19008 * ifcvt.c (find_if_case_1): Likewise.
19009 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19012 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19014 * Makefile.in: Removed rotted odf.c entry.
19016 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19019 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19020 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19021 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19022 output pattern modifier, not %e.
19023 * config/cris/cris.c (cris_op_str): Update comment about pattern
19025 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19026 before falling through into...
19027 <case 'E'>: Redefined from old 'e' case.
19029 2006-01-11 Jan Hubicka <jh@suse.cz>
19032 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19034 2006-01-11 Jan Hubicka <jh@suse.cz>
19036 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19037 * i386.c (x86_decompose_lea): Kill.
19038 (ix86_rtx_costs): Kill.
19040 2006-01-11 Jan Hubicka <jh@suse.cz>
19042 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19043 * cgraph.h (cgraph_node): Add inline_decl.
19044 (cgraph_insert_node_to_hashtable): Declare.
19045 (save_inline_function_body): Declare.
19046 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19048 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19049 (cgraph_function_versioning): Update call of tree_function_versioning.
19050 (save_inline_function_body): New function.
19051 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19052 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19053 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19054 (cgraph_default_inline_p): Likewise.
19055 (cgraph_decide_inlining_incrementally): Likewise.
19056 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19057 (copy_bb): Kill saving; do updating of clones.
19058 (copy_cfg_body): Kill saving.
19059 (initialize_inlined-parameters): Likewise.
19060 (expand_call_inline): Likewise.
19062 (tree_function_versioning): New parameter "update_clones".
19063 (inlining_p): Kill saving.
19064 * tree-inline.h (tree_function_versioning): Update prototype.
19065 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19068 2006-01-11 Ian Lance Taylor <ian@airs.com>
19070 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19071 Allow undoing set of machine mode.
19072 (do_SUBST): Use enums instead of is_int.
19073 (do_SUBST_MODE): New function.
19074 (SUBST_MODE): New macro.
19075 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19076 reg and trying to replace reg_regno_rtx with a new register.
19077 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19078 (simplify_set): Use SUBST_MODE.
19079 (distribute_notes): Remove code that tried to update reg notes
19080 for regno_reg_rtx changes.
19082 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19084 PR tree-optimization/23109
19085 PR tree-optimization/23948
19086 PR tree-optimization/24123
19088 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19089 * tree-cfg.c (single_noncomplex_succ): New.
19090 * tree-flow.h (single_noncomplex_succ): Declare it.
19091 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19092 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19093 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19094 insert_bb, register_division_in, insert_reciprocals,
19095 replace_reciprocal, free_bb): New.
19096 (execute_cse_reciprocals_1): Rewritten.
19097 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19098 Do not commit any edge insertion. Always compute dominators and
19099 create the allocation pool.
19100 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19101 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19102 * targhooks.c (default_min_divistions_for_recip_mul): New.
19103 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19104 * passes.c (init_optimization_passes): Run recip after tree loop
19106 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19108 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19109 Kenneth Zadeck <zadeck@naturalbridge.com>
19111 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19112 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19113 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19114 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19115 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19116 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19117 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19118 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19119 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19120 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19121 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19122 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19123 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19124 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19125 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19126 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19127 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19128 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19129 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19130 DF_SCAN_POST_ALLOC): New macros.
19131 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19132 df_free_bb_function, df_local_compute_function, df_init_function,
19133 df_dataflow_function, df_confluence_function_0,
19134 df_confluence_function_n, df_transfer_function,
19135 df_finalizer_function, df_free_function, df_dump_problem_function,
19136 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19137 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19138 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19139 df_urec_bb_info, ) New types.
19140 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19142 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19143 df_analyze_simple_change_some_blocks,
19144 df_analyze_simple_change_one_block, df_compact_blocks,
19145 df_bb_replace, df_bb_regno_last_use_find,
19146 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19147 df_insn_regno_def_p, df_find_def, df_find_use,
19148 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19149 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19150 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19151 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19152 debug_df_chain, df_get_dependent_problem, df_chain_create,
19153 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19154 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19155 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19156 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19157 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19158 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19159 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19160 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19161 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19162 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19163 df_reorganize_refs, df_set_state, df_hard_reg_init,
19164 df_read_modify_subreg_p) New public functions.
19165 * df-core.c: The core dataflow solver and glue routines for rtl
19167 (df_init, df_add_problem, df_set_blocks, df_finish,
19168 df_hybrid_search_forward, df_hybrid_search_backward,
19169 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19170 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19171 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19172 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19173 df_reg_defined, df_find_use, df_reg_used, df_dump,
19174 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19175 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19176 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19177 debug_df_useno, reset_df_after_reload): New functions.
19178 * df-scan.c: The scanning fuctions, once in df.c, completely
19179 rewritten so that they now fully model the functionality of
19180 register usage at the backend.
19181 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19182 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19183 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19184 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19185 df_get_artificial_defs, df_get_artificial_uses,
19186 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19187 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19188 df_refs_delete, df_reorganize_refs, df_set_state,
19189 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19190 df_def_record_1, df_defs_record, df_uses_record,
19191 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19192 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19193 df_record_exit_block_uses, df_hard_reg_init): New functions.
19195 * df-problems.c: Seven concrete dataflow problems that use the
19196 scanning in df-scan.c and are solved by the engine in df-core.c.
19197 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19198 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19199 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19200 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19201 df_ru_free_bb_info, df_ru_alloc,
19202 df_ru_bb_local_compute_process_def,
19203 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19204 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19205 df_ru_transfer_function, df_ru_free, df_ru_dump,
19206 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19207 df_rd_free_bb_info, df_rd_alloc,
19208 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19209 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19210 df_rd_transfer_function, df_rd_free, df_rd_dump,
19211 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19212 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19213 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19214 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19215 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19216 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19217 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19218 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19219 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19220 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19221 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19222 df_urec_mark_reg_use_for_earlyclobber,
19223 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19224 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19225 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19226 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19227 df_chain_create_bb_process_use, df_chain_create_bb,
19228 df_chain_finalize, df_chain_free, df_chains_dump,
19229 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19230 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19231 df_reg_lifetime): New functions.
19232 * df.c: Deleted file.
19233 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19234 consistent with new df api.
19235 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19236 rest_of_handle_sms): Ditto.
19237 * web.c (unionfind_union, union_defs, entry_register, web_main):
19239 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19240 invariant_expr_equal_p, find_defs, check_dependencies,
19241 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19242 free_inv_motion_data, move_loop_invariants): Ditto.
19243 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19244 Update dependencies.
19245 (odf.c): Added defective entry that was deleted later in day.
19246 * sched-deps.c (sched_analyze_1): Ditto.
19248 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19250 * tree-ssa-operands.c (get_expr_operands): Record addressable
19251 variables directly. Do not call add_stmt_operands for CONST_DECLs
19253 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19254 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19256 2006-01-11 Ben Elliston <bje@au.ibm.com>
19258 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19259 function returns true in the positive case.
19261 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19264 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19265 for SI, DI, SF and DF modes. Add alternatives to copy between
19266 general and floating point registers to the 32-bit patterns.
19267 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19268 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19269 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19270 generating 64-bit code.
19271 * config/pa/pa.c (output_move_double): Handle copies between general
19272 and floating registers.
19274 2006-01-10 Stuart Hastings <stuart@apple.com>
19276 * config/i386/i386.md (set_got): Update.
19277 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19278 (builtin_setjmp_receiver): Mach-O support.
19279 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19280 (GOT_SYMBOL_NAME): Define.
19281 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19282 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19283 * config/i386/i386.c (override_options): Revise for Darwin.
19284 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19285 support. (darwin_x86_file_end): New. (output_set_got): Add label
19286 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19287 * config/i386/i386-protos.h (output_set_got): Likewise.
19288 * config/darwin.c (machopic_legitimize_pic_address): Update
19291 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19293 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19294 when MODE isn't BLKmode.
19296 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19298 PR rtl-optimization/25367
19299 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19301 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19304 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19305 for a negative bound.
19307 2006-01-10 Richard Guenther <rguenther@suse.de>
19309 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19310 Never override with anything constraint.
19312 2006-01-10 Jan Beulich <jbeulich@novell.com>
19314 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19315 256 bits when optimize_size.
19317 2006-01-10 Jan Beulich <jbeulich@novell.com>
19319 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19321 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19322 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19325 2006-01-10 Ben Elliston <bje@au.ibm.com>
19327 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19329 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19330 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19331 (USE_FP_FOR_ARG): Reject decimal float modes.
19332 (function_arg_advance): Likewise.
19333 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19334 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19335 point types in AltiVec vectors.
19336 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19337 (rs6000_libcall_value): Likewise.
19339 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19341 * config/xtensa/ieee754-df.S: New file.
19342 * config/xtensa/ieee754-sf.S: New file.
19343 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19344 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19345 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19347 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19349 * config/sh/predicates.md (binary_float_operator,
19350 binary_logical_operator, commutative_float_operator,
19351 equality_comparison_operator, greater_comparison_operator,
19352 less_comparison_operator, logical_operator,
19353 noncommutative_float_operator, shift_operator,
19354 symbol_ref_operand, unary_float_operator): Remove redundant
19357 2006-01-09 Jeff Law <law@redhat.com>
19359 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19360 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19361 now unused arguments. Callers updated.
19362 (eliminate_redundant_computations): Remove now unused arguments,
19364 (local_fold): Remove, no longer used.
19365 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19367 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19368 (simplify_cond): New function.
19369 (forward_propagate_into_cond): Call simplify_cond.
19371 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19373 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19374 (*vec_extractv2di_1_sse): New.
19376 2006-01-09 Ben Elliston <bje@au.ibm.com>
19378 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19380 2006-01-08 Richard Guenther <rguenther@suse.de>
19382 * tree-ssa-structalias.c (get_constraint_for): Remove
19383 anyoffset argument.
19384 (get_constraint_for_component_ref): Likewise.
19385 (do_deref): Likewise.
19386 (get_constraint_for): Likewise.
19387 (do_structure_copy): Likewise.
19388 (handle_ptr_arith): Likewise.
19389 (find_func_aliases): Likewise. Remove unused need_anyoffset
19392 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19393 Kaz Kojima <kkojima@gcc.gnu.org>
19395 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19396 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19397 (EXTRA_CONSTRAINT_C16): Remove.
19398 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19399 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19400 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19401 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19402 constants of SHmedia. Handle nested constant expressions of
19404 (andcosts): Fix the costs for SHmedia constants.
19405 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19406 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19407 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19408 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19409 (movv4hi_i, movv2si_i): Likewise.
19410 (movsi_const): Adjust the second operand of ior so to match with
19411 the Csu constraint.
19412 (movdi_const, movdi_const_32bit): Likewise.
19413 (movdi_const_16bit+1): Don't sign-extend LOW.
19414 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19416 (*double_shori): Fix the split condition. Use GEN_INT instead
19417 of get_int_mode calls. Mask lower 16-bit of the argument of
19419 (sym2GOTPLT): Remove.
19420 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19422 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19423 instead of EXTRA_CONSTRAINT_C16.
19425 2006-01-07 Ian Lance Taylor <ian@airs.com>
19426 David Edelsohn <edelsohn@gnu.org>
19428 PR rtl-optimization/25662
19429 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19430 for constant operands instead of simplify_gen_binary.
19431 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19432 after trying simplify_binary_operation
19434 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19436 * tree.c (iterative_hash_expr): Hash decls based on UID.
19438 2006-01-06 Eric Christopher <echristo@apple.com>
19440 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19441 (TARGET_UNWIND_EMIT): Fix spelling.
19442 * target.h (gcc_target): Add except_table_label.
19443 * except.c (output_function_exception_table): Use.
19444 * varasm.c (default_emit_except_table_label): New.
19445 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19447 (asm_out): Add here.
19448 * output.h (default_emit_except_table_label): Prototype.
19449 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19450 * config/darwin.c (darwin_emit_except_table_label): Define.
19451 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19453 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19455 PR tree-optimization/18527
19456 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19457 number_of_iterations_special, number_of_iterations_exit):
19458 Move base and step of an iv to a single structure. Add
19459 no_overflow flag, and use it in # of iterations analysis.
19460 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19461 folded_casts argument.
19462 (simple_iv): Pass base and step in a structure. Set no_overflow
19464 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19465 Evaluate expensiveness of computing # of iterations instead of
19466 the final expression.
19467 * tree-scalar-evolution.h (affine_iv): New structure.
19468 (simple_iv): Declaration changed.
19469 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19470 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19471 find_givs_in_stmt): Changed due to simple_iv change.
19473 2006-01-06 Jeff Law <law@redhat.com>
19476 * tree-cfg.c (bsi_replace): Rename final argument from
19477 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19478 change (stmt -> orig_stmt).
19479 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19480 (bsi_remove): Add new argument. Remove EH information
19482 (verify_eh_throw_table_statements): New function.
19483 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19485 * tree-optimize.c (execute_free_cfg_annotations): Verify
19486 the EH throw statement table after removing annotations.
19487 * except.h (verify_eh_throw_table_statements): Prototype.
19488 * tree-flow.h (bsi_remove): Update prototype.
19489 * tree-vrp.c (remove_range_assertions): Add new argument to
19491 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19492 * tree-complex.c (expand_complex_div_wide): Likewise.
19493 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19494 * tree-tailcall.c (eliminate_tailcall): Likewise.
19495 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19496 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19497 * tree-nrv.c (tree_nrv): Likewise.
19498 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19499 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19500 (combine_blocks): Likewise.
19501 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19502 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19503 (cleanup_control_flow): Likewise.
19504 (remove_forwarder_block): Likewise.
19505 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19506 * tree-sra.c (sra_replace): Likewise.
19507 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19508 (forward_propagate_single_use_vars): Likewise.
19509 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19510 * tree-inline.c (expand_call_inline): Likewise.
19511 * tree-vect-transform.c (vect_transform_loop): Likewise.
19512 * tree-outof-ssa.c (rewrite_trees): Likewise.
19513 * tree-cfg.c (make_goto_expr_edges): Likewise.
19514 (cleanup_dead_labels): Likewise.
19515 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19516 (bsi_move_before, bsi_move_after): Likewise.
19517 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19518 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19520 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19523 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19525 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19526 on non gimple variables. Also add checks at the top for decls and
19528 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19530 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19531 and IMAGPART_EXPR for creating MUST_DEFs.
19532 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19533 and NAME_MEMORY_TAG separately from the DECLs.
19535 2006-01-06 Richard Guenther <rguenther@suse.de>
19537 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19538 annotation, if necessary.
19539 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19540 redundant calls to update_stmt.
19541 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19544 2006-01-05 Richard Henderson <rth@redhat.com>
19546 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19548 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19550 * c-typeck.c: Update copyright date.
19552 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19554 * c-typeck.c (build_c_cast): Always warn when casting
19555 from a pointer to an integer of different size, even if
19556 the node was constant.
19558 2006-01-05 Richard Guenther <rguenther@suse.de>
19560 PR tree-optimization/22555
19561 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19562 if one structure field is an array.
19563 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19564 operands even if we found a subvar, but ignore VOPs in this
19566 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19568 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19570 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19572 PR middle-end/24998
19573 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19575 2006-01-05 Richard Guenther <rguenther@suse.de>
19576 Diego Novillo <dnovillo@redhat.com>
19578 * tree-pass.h (TODO_remove_unused_locals): Define.
19579 * gimple-low.c (expand_var_p, remove_useless_vars,
19580 pass_remove_useless_vars): Remove. Update all users.
19581 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19582 (remove_unused_locals): New function.
19583 * tree-flow.h (remove_unused_locals): Declare.
19584 * passes.c (execute_todo): Call remove_unused_locals if
19585 TODO_remove_unused_locals is set.
19586 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19587 * tree-ssa-dce.c (pass_dce): Likewise.
19588 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19590 2006-01-05 Richard Guenther <rguenther@suse.de>
19592 * tree-flow.h (struct fieldoff): Decompose field to
19593 type, size and decl.
19594 * tree-ssa-alias.c (create_sft): Take type as parameter.
19595 (create_overlap_variables_for): Store type, size and decl
19596 in the fieldoff structure.
19597 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19598 of struct fieldoff.
19599 (push_fields_onto_fieldstack): Likewise.
19600 (create_variable_info_for): Likewise. Use offset for the
19601 SFT name if the decl is not available.
19603 2006-01-04 Paul Brook <paul@codesourcery.com>
19605 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19607 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19609 * lambda-code.c (can_put_in_inner_loop): Relax
19611 (can_put_after_inner_loop): New function.
19612 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19613 (perfect_nestify): Change to make copies and modify uses.
19615 2006-01-04 Richard Henderson <rth@redhat.com>
19617 Merge from gomp branch:
19618 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19619 via integer constant.
19620 (pragma_lex): Remove.
19621 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19622 rather than parsing it.
19623 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19624 handle_pragma_extern_prefix): Add %< %> quotes.
19625 (registered_pragmas): New.
19626 (c_register_pragma_1): New.
19627 (c_register_pragma): Use it.
19628 (c_register_pragma_with_expansion): Likewise.
19629 (c_invoke_pragma_handler): New.
19630 (init_pragma): Use cpp_register_deferred_pragma directly for
19632 * c-pragma.h (enum pragma_kind): New.
19633 (pragma_handler): New.
19634 (c_invoke_pragma_handler): Declare.
19635 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19637 * c-common.h (c_common_pch_pragma): Update decl.
19638 * Makefile.in (c-parser.o): Update dependencies.
19639 (GTFILES): Add c-pragma.h.
19640 * c-parser.c (struct c_token): Add pragma_kind.
19641 (struct c_parser): Add in_pragma.
19642 (c_lex_one_token): Always initialize keyword and pragma_kind.
19643 Extract data for CPP_PRAGMA.
19644 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19645 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19646 Don't allow CPP_PRAGMA_EOL if in_pragma.
19647 (c_parser_consume_pragma): New.
19648 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19649 (c_parser_skip_to_end_of_parameter): Likewise.
19650 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19651 (c_parser_skip_to_pragma_eol): New.
19652 (c_parser_external_declaration): Handle CPP_PRAGMA.
19653 (c_parser_compound_statement_nostart): Likewise.
19654 (c_parser_statement_after_labels): Likewise.
19655 (c_parser_pragma): New.
19656 (pragma_lex): Likewise.
19657 (c_parser_pragma_pch_preprocess): New.
19658 (c_parser_new): Merge into ...
19659 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19661 2006-01-04 Jeff Law <law@redhat.com>
19664 * tree-cfg.c (bsi_replace): Remove the original statement
19665 from the EH throw statement table.
19667 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19669 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19670 make the prototype extern "C" and add throw ().
19673 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19674 and pos non-negative and pos + len <= 32.
19675 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19676 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19677 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19680 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19681 as well as sizes not multiple of component size.
19684 * function.c (instantiate_expr): New function.
19685 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19686 walk its DECL_VALUE_EXPR with instantiate_expr.
19688 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19689 DW_OP_deref{,_size} if address isn't going to be added.
19691 2006-01-04 Ben Elliston <bje@au.ibm.com>
19693 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19694 * config/fp-bit.c: Likewise.
19696 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19698 * dominance.c: Add comment about why we use DFS numbering
19701 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19702 Richard Henderson <rth@redhat.com>
19704 Merge from gomp-branch:
19705 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19706 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19708 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19710 PR rtl-optimization/25578
19711 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19712 pass a parameter to simplify_shift_const if changing ASHIFTRT
19715 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19717 * builtins.c (get_builtin_sync_mem): New function.
19718 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19719 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19720 Call get_builtin_sync_mem to generate mem rtx.
19722 2006-01-03 Richard Guenther <rguenther@suse.de>
19725 * stmt.c (add_case_node): Make sure to clear overflow flags
19728 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19730 Merge from gomp-branch.
19731 * config/sparc/sync.md: New file.
19732 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19733 UNSPECV_LDSTUB): New constants.
19734 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19735 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19736 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19739 2006-01-03 Roger Sayle <roger@eyesopen.com>
19741 * combine.c (reg_subword_p): New predicate to test whether the
19742 destination of a set refers to a subword/piece of a register.
19743 (try_combine): Generalize the code to merge the setting of a
19744 pseudo to a constant followed by a set of a subword of that
19745 register to a constant.
19747 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19749 * basic-block.h (control_flow_graph): Change the type of
19750 x_label_to_block_map to VEC(basic_block,gc) *.
19751 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19752 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19754 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19755 VEC(basic_block,heap) *.
19756 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19757 ssa_prop_fini): Adjust the uses of cfg_blocks.
19759 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19761 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19763 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19764 hashing trees instead of a pointer hash.
19765 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19766 compare for MEM_EXPR.
19768 PR rtl-optimization/25130
19769 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19770 when comparing MEMs for GCSE
19772 2006-01-03 Ben Elliston <bje@au.ibm.com>
19774 * targhooks.h (default_decimal_float_supported_p): Declare.
19775 * targhooks.c (default_decimal_float_supported_p): Define.
19776 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19777 `default_decimal_float_supported_p'.
19778 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19780 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19782 * combine.c (apply_distributive_law <SUBREG>): Check
19783 TRULY_NOOP_TRUNCATION.
19785 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19787 * dwarf2out.c (have_switched_text_section): Delete.
19788 (have_multiple_function_sections): New.
19789 (have_location_lists): Make 'bool'.
19790 (add_AT_loc_list): Use 'true' not '1'.
19791 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19792 (output_loc_list): Use have_multiple_function_sections.
19793 (output_ranges): Likewise.
19794 (dwarf2out_begin_function): Set have_multiple_function_sections if
19796 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19797 Check function_section rather than DECL_SECTION_NAME.
19798 (dwarf2out_finish): Use have_multiple_function_sections.
19799 Don't clear have_location_lists.
19801 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19802 Jan Hubicka <jh@suse.cz>
19804 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19805 case of conditional jump jumping to the next instruction.
19806 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19807 cases of conditional jump jumping to the next instruction.
19809 2006-01-02 Jan Hubicka <jh@suse.cz>
19811 * i386.c (*_cost): Add COSTS_N_INSNS.
19812 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19814 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19817 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19819 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19821 * config/arm/arm.c (all_fpus): Fix comment typo.
19822 * config/darwin.c: Likewise.
19823 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19824 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19825 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19827 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19829 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19830 (rs6000_split_compare_and_swapqhi): New.
19831 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19832 (sync_compare_and_swapqhi_internal): New.
19833 * config/rs6000/rs6000-protos.h: Declare.