1 2006-11-28 Jan Hubicka <jh@suse.cz>
3 Privatize SSA variables into gimple_df.
5 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
6 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
7 gimple_nonlocal_all): New accessors.
8 (first_referenced_var): Update.
9 (mark_stmt_modified): Update.
10 (is_call_clobbered): Update.
11 (mark_call_clobbered): Update.
12 (clear_call_clobbered): Update.
13 (mark_non_addressable): Update.
14 * tree-vrp.c (get_value_range): Update.
15 * tree-into-ssa.c (in_ssa_p): Kill.
16 (get_default_def_for): Update.
17 (rewrite_into_ssa): Update.
18 * tree-complex.c (init_parameter_lattice_values): Update.
19 (update_complex_assignment): Update.
20 (update_parameter_components): Update.
21 (expand_complex_libcall): Update.
22 (expand_complex_operations_1): Update.
23 * tree-tailcall.c (arg_needs_copy_p): Update.
24 (add_virtual_phis): Update.
25 (tree_optimize_tail_calls_1): Update.
26 * tree-ssa-dse.c (memory_ssa_name_same): Update.
27 * tree-ssa-copyrename.c
28 (copy_rename_partition_coalesce): Update.
29 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
30 * tree-ssa-propagate.c (set_rhs): Update.
31 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
32 addressable_vars, global_var):Kill.
33 (set_initial_properties): Update.
34 (init_alias_info): Update.
35 (finalize_ref_all_pointers): Update.
36 (setup_pointers_and_addressables): Update.
37 (maybe_create_global_var): Update.
38 (create_global_var): Update.
39 (dump_points_to_info): Update.
40 * function.h (struct gimple_df): Forward declare.
41 (struct function): Add GIMPLE_DF field.
42 * gimplify.c (force_gimple_operand): Update.
43 * tree-dfa.c (referenced_vars, default_defs): KIll.
44 (make_rename_temp): Update.
45 (dump_variable): Update.
46 (referenced_var_lookup): Update.
47 (referenced_var_check_and_insert): Update.
48 (default_def): Rename to ...
49 (gimple_default_def): ... this one; accept cfun argument.
50 (set_default_def): Update.
51 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
52 (cleanup_control_flow): Update.
53 * tree-ssa-pre.c (compute_avail): Update
54 * tree-ssa-live.c (calculate_live_on_entry): Update.
55 * tree-ssa.c (verify_use): Update.
56 (verify_call_clobbering): Update.
57 (verify_call_clobbering): Update.
58 (init_tree_ssa): Update.
59 (delete_tree_ssa): Update.
60 * tree-outof-ssa.c (coalesce_ssa_name): Update.
61 (rewrite_out_of_ssa): Update.
62 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
63 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
65 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
66 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
67 addressable_vars, aliases_computed_p): Kill.
68 (default_def): Rename to...
69 (gimple_default_def): ... this one.
70 (defaule_def_fn): Kill.
71 (num_referenced_vars, ssa_names, num_ssa_names): Update.
72 * tree-ssa-structalias.c (nonlocal_all): Kill.
73 (get_constraint_exp_from_ssa_var): Update.
74 (create_nonlocal_var): Update.
75 (get_constraint_for): Update.
76 (update_alias_info): Update.
77 (find_global_initializers): Update.
78 (intra_create_variable_infos): Update.
79 (intra_create_variable_infos):
80 (find_what_p_points_to): Update.
81 (init_alias_heapvars): Update.
82 * tree-cfg.c (remove_bb): Update.
83 (gimplify_val): Update.
84 * tree-ssa-reassoc.c (get_rank): Update.
85 (init_reassoc): Update.
86 * tree-ssanames.c: Do not include gt-tree-ssanames.h
87 (ssa_names, free_ssanames): Kill.
88 (init_ssanames): Update.
89 (make_ssa_name): Update.
90 (release_ssa_name): Update.
91 (release_defs): Update.
92 (replace_ssa_name_symbol): Update.
93 * tree-ssa-operands.c (access_can_touch_variable): Update.
94 (add_virtual_operand): Update.
95 (add_call_clobber_ops): Update.
96 (add_call_read_ops): Update.
97 (get_call_expr_operands): Update.
98 (get_asm_expr_operands): Update.
100 2006-11-28 Jan Hubicka <jh@suse.cz>
102 * builtins.c: Include tree-flow.h.
103 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
104 assignment; convert memmove to memcpy for sizes greater than 1 where
105 alignment of operands prohibit the partial overlap.
107 2006-11-28 Jan Hubicka <jh@suse.cz>
109 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
110 * cgraph.c (dump_cgraph_node): Dump stack usage.
111 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
112 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
113 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
114 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
115 (cgraph_check_inline_limits): Limit stack growth.
116 * cfgexpand.c: Include tree-inline.h.
117 (account_stack_vars): New function.
118 (expand_one_var): New param to just account the stack; return estimated
120 (expand_used_vars_for_block): Update call of expand_one_var.
121 (account_used_vars_for_block): New function.
122 (estimated_stack_frame_size): Likewise.
123 (init_vars_expansion, fini_vars_expansion): Break out from..
124 (expand_used_vars): ... here.
125 * tree-inline.h (estimated_stack_frame_size): Declare.
126 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
128 2006-11-28 Richard Guenther <rguenther@suse.de>
130 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
131 unsigned long for printing OBJECT_SIZE.
133 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
135 * alias.c (init_alias_analysis): Remove simplification loop
136 after propagating pointers.
138 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
140 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
143 2006-11-27 Bob Wilson <bob.wilson@acm.org>
145 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
147 2006-11-27 Roger Sayle <roger@eyesopen.com>
148 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
150 * c-common.c (constant_fits_type_p): Delete.
151 (unsigned_conversion_warning): Delete.
152 (conversion_warning): Integrate Wconversion warning from
153 unsigned_conversion_warning.
154 (convert_and_check): Integrate Woverflow warning from
155 unsigned_conversion_warning. Reorganize and simplify to avoid
156 dependence upon the middle-end setting TREE_OVERFLOW on integral
157 conversions, by using int_fits_type_p directly.
159 2006-11-27 Tobias Burnus <burnus@net-b.de>
161 * doc/invoke.texi: Fixed typo.
163 2006-11-27 Michael Matz <matz@suse.de>
164 Andreas Krebbel <krebbel1@de.ibm.com>
167 * config/s390/predicates.md (larl_operand): Check addend of larl
168 operand to be in range of -/+2GB.
169 * config/s390/s390.c (legitimize_pic_address): Likewise.
170 Changed type of variable even to HOST_WIDE_INT.
172 2006-11-27 Jan Hubicka <jh@suse.cz>
174 * expr.c (emit_block_move_via_libcall): Export.
175 (clear_storage_via_libcall): Rename to ...
176 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
177 (clear_storage): Update to set_storage_via_libcall.
178 * expr.h (emit_block_move_via_libcall): Declare
179 * config/i386/i386.h (stringop_alg): New enum.
180 (MAX_STRINGOP_ALGS): New constant.
181 (stringop_algs): New struct.
182 (processor_costs): Add memcpy/memset descriptors.
183 (TARGET_REP_MOVEL_OPTIMAL): Remove.
184 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
185 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
187 * config/i386/i386.opt (minline-stringops-dynamically,
188 mstringop-strategy): New
190 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
191 (ix86_expand-clrmem): Rename to ...
192 (ix86_expand_setmem): ... this one; update prototype.
193 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
194 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
195 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
196 nocona_cost, core2_cost, generic_cost, generic64_cost,
197 generic32_cost): Add memcpy/memset descriptors.
198 (x86_rep_movl_optimal): Remove.
199 (stringop_alg): New static variable.
200 (ix86_expand_aligntest): Handle predictions.
201 (override_options): Add strgop_alg handling.
202 (predict_jump): New function.
203 (scale_counter): New function.
204 (expand_set_or_movmem_via_loop): New function.
205 (expand_movmem_via_rep_mov): New function.
206 (expand_setmem_via_rep_stots): New function.
207 (emit_strmov): New function.
208 (expand_movmem_epilogue): New function.
209 (expand_setmem_epilogue_via_loop): New function.
210 (expand_setmem_epilogue): New function.
211 (expand_movmem_prologue): New function.
212 (expand_setmem_prologue): New function.
213 (decide_alg): New function.
214 (decide_alignment): New function.
215 (ix86_exand_movmem): Rewrite.
216 (promote_duplicated_reg): New function.
217 (ix86_expand_clrmem): Rename to ...
218 (ix86_expand_setmem): ... this one. Rewrite.
220 * invoke.texi (minline-stringops-dynamically): New command line option.
221 (mstringop-strategy): Likewise.
223 2006-11-27 Jan Hubicka <jh@suse.cz>
225 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
226 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
227 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
228 * insn-notes.def (FUNCTION_END): Remove.
229 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
230 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
232 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
233 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
234 * cfglayout.c (duplicate_insn_chain): Don't worry about
237 2006-11-27 Richard Guenther <rguenther@suse.de>
238 Zdenek Dvorak <dvorakz@suse.cz>
240 * target.h (struct gcc_target): Add builtin_vectorized_function
242 * target-def.h (TARGET_VECTORIZE): Likewise.
243 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
244 Document new target hook.
245 * targhooks.h (default_builtin_vectorized_function): Declare.
246 * targhooks.c (default_builtin_vectorized_function): Define.
247 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
248 (vectorizable_call): Declare.
249 * tree-vect-analyze.c (vect_analyze_operations): Call
251 * tree-vect-transform.c (vectorizable_function): New static function.
252 (build_vectorized_function_call): Likewise.
253 (vectorizable_call): New function.
254 (vect_transform_stmt): Handle vectorizable calls.
256 2006-11-27 Richard Guenther <rguenther@suse.de>
259 * builtins.c (expand_builtin_pow): Optimize non integer valued
260 constant exponents using sqrt or cbrt if possible. Always fall back
261 to expanding via optabs.
263 2006-11-27 Ira Rosen <irar@il.ibm.com>
265 PR tree-optimization/22372
266 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
267 the type of the base address.
268 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
269 it in the data-ref pointer creation.
270 (vect_init_vector): Add an argument, type of the init vector. Use it in
272 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
273 (get_initial_def_for_reduction): Likewise.
274 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
276 (vectorizable_assignment, vect_permute_store_chain): Likewise.
277 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
278 correct type in stmt creation.
279 (vect_setup_realignment): Use the correct type in stmt creation.
280 (vect_permute_load_chain): Change type of MODIFY_EXPR to
282 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
283 of MODIFY_EXPR to void_type_node.
284 (vectorizable_condition): Change type of MODIFY_EXPR to
286 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
289 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
292 2006-05-08 Uros Bizjak <uros@kss-loka.si>
293 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
294 standard 80387 constants, raise the cost to prevent
295 compress_float_constant() to generate load from memory.
297 * config/i386/i386.md: Add new splitter pattern to split
298 float_extended load of constant from constant pool into
301 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
303 * doc/install.texi: Move GMP/MPFR configure options from Fortran
304 section to general section. Remove documentation for
305 --with-mpfr-dir and --with-gmp-dir, add documentation for
306 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
309 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
311 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
313 * testsuite/gcc.dg/ipa/ipa-6.c: New.
315 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
317 PR tree-optimization/29122
318 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
319 for the new version. Assign NULL to DECL_RTL of the new version.
321 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
323 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
325 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
327 * cse.c (cse_altered): Remove.
328 (record_jump_equiv): Make true/false argument a bool instead
330 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
331 where appropriate. Emit a new jump before the existing one
332 instead of after so that delete_insn_and_edges removes the
333 dead edges properly. Check any_condjump_p before calling
335 (cse_basic_block): Check any_condjump_p before calling
337 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
339 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
341 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
342 -ffixed-line-length-* options.
344 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
346 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
347 (fprem1xf4): Rename to fprem1xf4_i387.
349 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
350 Rename patterns to fmod<mode>3. Use general_operand operand
351 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
352 patterns for SSE math.
353 (remaindersf3, remainderdf3): Ditto.
355 2006-11-25 Joseph Myers <joseph@codesourcery.com>
357 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
358 inside start_sequence / end_sequence pair.
360 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
362 * jump.c (mark_all_labels): Work in cfglayout mode.
363 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
364 when in cfglayout mode, because there are no dead jumptables
366 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
368 (commit_edge_insertions): Do not allow insertion of instructions
369 with control flow insns when in cfglayout mode.
371 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
373 * tree-vrp.c (execute_vrp): Do not pass loops structure through
375 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
376 unswitch_loop): Ditto.
377 * tree-loop-linear.c (linear_transform_loops): Ditto.
378 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
379 tree_ssa_lim): Ditto.
380 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
381 free_numbers_of_iterations_estimates): Ditto.
382 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
383 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
384 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
385 remove_path, add_loop, loopify, unloop, fix_loop_placements,
386 place_new_loop, duplicate_loop, duplicate_subloops,
387 update_single_exit_for_duplicated_loops, copy_loops_to,
388 duplicate_loop_to_header_edge, create_preheaders,
389 force_single_succ_latches, loop_version, fix_loop_structure):
391 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
392 tree_unroll_loop): Ditto.
393 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
394 * tree-scalar-evolution.c (select_loops_exit_conditions,
395 scev_initialize, scev_analysis): Ditto.
396 * tree-scalar-evolution.h (scev_initialize): Ditto.
397 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
398 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
399 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
400 * modulo-sched.c (sms_schedule): Ditto.
401 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
402 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
403 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
404 * ifcvt.c (if_convert): Ditto.
405 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
406 canonicalize_loop_induction_variables,
407 canonicalize_induction_variables,
408 tree_unroll_loops_completely, remove_empty_loops): Ditto.
409 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
410 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
411 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
412 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
413 tree_ssa_loop_done): Ditto.
414 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
415 estimate_bb_frequencies): Ditto.
416 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
417 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
418 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
419 decide_unrolling_and_peeling, peel_loop_completely,
420 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
421 peel_loop_simple, unroll_loop_stupid): Ditto.
422 * loop-doloop.c (doloop_optimize_loops): Ditto.
423 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
424 * loop-invariant.c (move_loop_invariants): Ditto.
425 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
426 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
427 tree_ssa_prefetch_arrays): Ditto.
428 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
430 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
431 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
432 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
433 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
434 verify_loop_structure): Ditto.
435 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
436 canonicalize_induction_variables, tree_unroll_loops_completely,
437 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
438 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
439 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
440 tree_unroll_loop, linear_transform_loops): Declaration changed.
441 * basic-block.h: Remove declaration of struct loops.
442 * cfghooks.h (struct cfg_hooks): Change type of
443 cfg_hook_duplicate_loop_to_header_edge.
444 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
445 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
446 vect_transform_loop): Declaration changed.
447 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
448 * cfgloop.h (flow_loops_dump, fix_loop_structure,
449 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
450 cancel_loop_tree, create_preheaders, force_single_succ_latches,
451 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
452 loopify, loop_version, remove_path, unswitch_loops,
453 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
456 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
458 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
459 (X87MODEF): New mode macro.
460 (ssemodefsuffix): New mode attribute.
461 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
462 (sqrt_extend<mode>xf2_i387): New insn pattern.
463 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
464 insn and truncate result back to original mode using
465 UNSPEC_TRUNC_NOOP truncation.
466 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
467 ssemodefsuffix mode attribute.
468 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
469 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
470 (*sqrtextenddfxf2_i387): Remove insn patterns.
472 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
475 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
477 2006-11-24 Jakub Jelinek <jakub@redhat.com>
480 * c-tree.h (c_maybe_initialize_eh): New prototype.
481 * c-decl.c (finish_decl): Move EH initialization...
482 (c_maybe_initialize_eh): ... here. New function.
483 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
484 if not #pragma omp atomic.
487 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
488 or UNION_TYPE inner types.
490 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
493 * ipa-pure-const.c (check_tree): If the original tree
494 is volatile return early and say the function is not pure
495 nor const. Remove the volatile check for writes.
496 (analyze_function): Print out the result of the local
499 2006-11-24 Joseph Myers <joseph@codesourcery.com>
501 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
503 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
504 * config/rs6000/rs6000.c (rs6000_override_options): Use
505 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
508 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
510 * config/s390.c (s390_emit_compare_and_swap): New function.
511 (s390_expand_cs_hqi, s390_expand_atomic): Call
512 s390_emit_compare_and_swap.
514 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
516 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
518 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
522 * c-common.c (conversion_warning): New.
523 (convert_and_check): Call conversion_warning unless there is an
525 * doc/invoke.texi (-Wconversion): Update description.
527 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
529 * tree-ssa-alias.c (tree_pointer_compare): New function.
530 (compact_name_tags): New function.
531 (group_aliases): Call compact_name_tags.
533 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
535 * real.h (real_isinteger): Declare.
536 * real.c (real_isinteger): Define.
537 * builtins.c (integer_valued_real_p): Use it.
539 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
542 * c.opt (Wtraditional-conversion): New.
543 (Wconversion): Update description.
544 * c-typeck.c (convert_arguments): Warnings for prototypes causing
545 type conversions different from what would happen in the absence
546 of prototype are now handled by Wtraditional-conversion.
547 * doc/invoke.texi (Wtraditional-conversion): New.
548 (Wconversion): Update description.
549 * doc/trouble.texi (Wconversion): Replace Wconversion by
550 Wtraditional-conversion.
552 2006-11-23 Andrew Pinski <pinskia@gmail.com>
554 * predict.c (tree_estimate_probability): Check to make
555 sure current_loops is non null before calling flow_loops_dump.
557 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
559 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
561 2006-11-23 David Ung <davidu@mips.com>
563 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
565 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
566 (ASM_SPEC): Pass along -mfp32 and -mfp64.
567 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
568 high part of FP register when in 64-bit FP register mode. Similarly
569 use gen_mfhc1 to load high part of FP register.
570 (override_options): Allow -mgp32 and -mfp64 combination if
571 ISA_HAS_MXHC1 (currently for O32 only).
572 (mips_cannot_change_mode_class): If floating-point registers are
573 bigger than word size. disallow conversion of float register from a
574 large integer mode to a float mode smaller than the float register
576 (mips_class_max_nregs): Handle float registers case seperately.
577 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
579 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
580 (movdf_hardfloat_32bit): Similarly.
581 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
582 support a full 64-bit fpu.
583 (mthc1): New pattern to generate MTHC1 instruction.
584 (mfhc1): New pattern to generate MFHC1 instruction.
585 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
586 option for the MIPS32R2 and mention its use under O32 ABI.
588 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
590 * var-tracking.c (emit_note_insn_var_location): Take care not to
591 cause verify_flow_info failures.
593 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
595 * tree-ssa-structalias.c: Remove edge weights in favor of just
596 processing them as complex constraints.
597 (struct constraint_graph): Remove weighted succs and preds. Rename
598 nonweighted succs and preds.
599 (constraint_edge): Removed.
600 (constraint_edge_t): Ditto.
601 (constraint_edge_pool): Ditto.
602 (new_constraint_edge): Ditto.
603 (constraint_edge_equal): Ditto.
604 (constraint_edge_less): Ditto.
605 (constraint_edge_vec_find): Ditto.
606 (erase_self_graph_edge): Ditto.
607 (add_graph_edge): Removed.
608 (get_graph_weights): Ditto.
609 (allocate_graph_weights): Ditto.
610 (valid_weighted_graph_edge): Ditto
611 (bitmap_other_than_zero_bit_set): Ditto.
612 (int_add_graph_edge): Renamed to add_graph_edge.
613 (clear_edges_for_node): Remove support for weighted edges.
614 (merge_graph_nodes): Ditto.
615 (valid_graph_edge): Ditto.
616 (build_constraint_graph): Ditto.
618 (collapse_nodes): Ditto.
619 (process_unification_queue): Ditto.
621 (do_ds_constraint): Ditto.
622 (perform_var_subsitution): Ditto.
623 (solve_graph): Ditto.
624 (init_alias_vars): Ditto.
625 (delete_points_to_sets): Ditto.
626 (do_complex_constraint): Support offsetted copies here.
628 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
630 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
632 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
634 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
637 2006-11-23 Ben Elliston <bje@au.ibm.com>
639 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
641 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
643 PR tree-optimization/29921
644 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
645 signed and unsigned zero equal.
647 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
649 * config/rs6000/rs6000.c (get_store_dest): New.
650 (adjacent_mem_locations): Use get_store_dest() to get
651 the rtl of the store destination.
653 2006-11-22 Joseph Myers <joseph@codesourcery.com>
655 * config/rs6000/spe.md (SPE64): New mode macro.
656 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
658 (mov_si<mode>_e500_subreg0_2): New.
659 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
661 (mov_si<mode>_e500_subreg4_2): New.
662 * config/rs6000/predicates.md (input_operand): Do not allow
663 invalid E500 subregs.
664 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
666 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
667 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
668 involving vector modes if TARGET_SPE.
670 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
673 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
674 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
676 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
678 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
679 mem_i_address_operand): New predicates.
680 * config/bfin/bfin.c (bfin_issue_rate): New function.
681 (TARGET_SCHED_ISSUE_RATE): New macro.
682 * config/bfin/bfin.md (addrtype): New attribute.
683 (slot0, slot1, slot2, store, pregs): New cpu_units.
684 (core): Now a define_reservation.
685 (alu): Remove some insn types from this reservation.
686 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
688 (dummy reservation): Don't trigger for mcld insns.
689 (absence_sets): Two new absence sets to enforce slot ordering.
690 (popsi_insn): Set addrtype.
692 2006-11-22 Ira Rosen <irar@il.ibm.com>
694 * doc/c-tree.texi: Document new tree codes.
695 * doc/md.texi: Document new optabs.
696 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
698 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
699 * optabs.h (optab_index): Add new.
700 (vec_extract_even_optab, vec_extract_odd_optab,
701 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
702 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
703 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
705 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
706 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
707 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
708 along with macros for their access.
709 * tree-data-ref.h (first_location_in_loop, data_reference): Update
711 * tree-vect-analyze.c (toplev.h): Include.
712 (vect_determine_vectorization_factor): Fix indentation.
713 (vect_insert_into_interleaving_chain,
714 vect_update_interleaving_chain, vect_equal_offsets): New functions.
715 (vect_analyze_data_ref_dependence): Add argument for interleaving
716 check. Check for interleaving if it's true.
717 (vect_check_dependences): New function.
718 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
719 every ddr. Call vect_analyze_data_ref_dependence with new argument.
720 (vect_update_misalignment_for_peel): Update for interleaving.
721 (vect_verify_datarefs_alignment): Check only first data-ref for
723 (vect_enhance_data_refs_alignment): Update for interleaving. Check
724 only first data-ref for interleaving.
725 (vect_analyze_data_ref_access): Check interleaving, update
727 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
728 with different parameters.
729 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
730 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
731 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
732 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
733 Update step in case of interleaving.
734 (vect_strided_store_supported, vect_permute_store_chain): New
736 (vectorizable_store): Handle strided stores.
737 (vect_strided_load_supported, vect_permute_load_chain,
738 vect_transform_strided_load): New functions.
739 (vectorizable_load): Handle strided loads.
740 (vect_transform_stmt): Add argument. Handle strided stores. Check
741 that vectorized stmt exists for patterns.
742 (vect_gen_niters_for_prolog_loop): Update calculation for
744 (vect_transform_loop): Remove stmt_vec_info for strided stores after
745 whole chain vectorization.
746 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
747 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
748 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
749 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
750 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
752 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
754 * cse.c (enum taken): Remove PATH_AROUND.
755 (addr_affects_sp_p, invalidate_skipped_set,
756 invalidate_skipped_block): Remove.
757 (cse_end_of_basic_block): Remove skip_blocks and related code.
758 (cse_main): Don't test for flag_cse_skip_blocks.
759 Update cse_end_of_basic_block call.
760 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
761 code to lengthen the path if a jump was simplified.
763 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
765 PR rtl-optimization/29924
766 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
767 (unroll_loop_runtime_iterations): Assert that the argument passed to
768 split_edge_and_insert is not NULL.
769 * loop-doloop.c (add_test): Ditto.
771 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
773 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
775 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
776 * cfgloopmanip.c (update_single_exits_after_duplication,
777 update_single_exit_for_duplicated_loop, loop_version): Ditto.
778 * tree-scalar-evolution.c (get_loop_exit_condition,
779 get_exit_conditions_rec, loop_closed_phi_def,
780 number_of_iterations_in_loop, scev_const_prop): Ditto.
781 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
782 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
784 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
786 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
787 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
788 slpeel_make_loop_iterate_ntimes,
789 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
790 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
792 * tree-if-conv.c (if_convertible_loop_p): Ditto.
793 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
794 vect_analyze_loop_form): Ditto.
795 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
796 can_convert_to_perfect_nest, perfect_nestify): Ditto.
797 * tree-vect-transform.c (vect_create_epilog_for_reduction,
798 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
799 vect_transform_loop): Ditto.
800 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
801 (single_exit, set_single_exit): New functions.
802 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
803 (single_exit, set_single_exit): Declare.
804 * doc/loop.texi: Undocument single_exit field. Document single_exit
807 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
809 PR tree-optimization/29902
810 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
811 any involved ssa name appears in abnormal phi node.
813 2006-11-21 Bob Wilson <bob.wilson@acm.org>
815 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
816 (xtensa_const_ok_for_letter_p): Delete.
817 (xtensa_extra_constraint): Delete.
818 (override_options): Delete xtensa_char_to_class initialization.
819 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
820 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
821 (EXTRA_CONSTRAINT): Delete.
822 * config/xtensa/xtensa.md: Include constraints.md.
823 (call_internal): Combine alternatives.
824 (call_value_internal): Likewise, and remove invalid constraints.
825 * config/xtensa/constraints.md: New file.
826 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
827 (xtensa_extra_constraint): Delete.
828 * doc/md.texi (Machine Constraints): Refer to constraints.md for
831 2006-11-21 Janis Johnson <janis187@us.ibm.com>
833 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
834 of conversion that doesn't fit.
836 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
837 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
838 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
840 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
842 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
844 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
846 2006-11-21 Richard Guenther <rguenther@suse.de>
848 * tree-vectorizer.h (NUM_PATTERNS): Increase.
849 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
850 vect_recog_pow_pattern.
851 (vect_recog_pow_pattern): New function.
853 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
855 * config/bfin/bfin.opt (mstack-check-l1): New.
856 * doc/invoke.texi (Blackfin Options): Document it.
857 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
858 stack bounds in L1 memory if the new option is enabled.
859 (override_options): Don't allow combinations of -fstack-limit and
861 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
864 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
866 (bfin_register_move_cost): Bump costs if trying to move plain
867 integer values through accumulators.
869 2006-11-21 Ben Elliston <bje@au.ibm.com>
871 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
873 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
874 Russell Olsen <Russell_Olsen@playstation.sony.com>
875 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
876 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
877 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
878 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
879 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
881 * config.gcc: Add target for SPU.
882 * config/spu/constraints.md: New file.
883 * config/spu/crt0.c: New file.
884 * config/spu/crtend.c: New file.
885 * config/spu/crti.asm: New file.
886 * config/spu/crtn.asm: New file.
887 * config/spu/float_unsdidf.c: New file.
888 * config/spu/float_unssidf.c: New file.
889 * config/spu/predicates.md: New file.
890 * config/spu/spu-builtins.def: New file.
891 * config/spu/spu-builtins.h: New file.
892 * config/spu/spu-builtins.md: New file.
893 * config/spu/spu-c.c: New file.
894 * config/spu/spu-elf.h: New file.
895 * config/spu/spu-modes.def: New file.
896 * config/spu/spu-protos.h: New file.
897 * config/spu/spu.c: New file.
898 * config/spu/spu.h: New file.
899 * config/spu/spu.md: New file.
900 * config/spu/spu.opt: New file.
901 * config/spu/spu_internals.h: New file.
902 * config/spu/spu_intrinsics.h: New file.
903 * config/spu/spu_mfcio.h: New file.
904 * config/spu/t-spu-elf: New file.
905 * config/spu/vec_types.h: New file.
906 * config/spu/vmx2spu.h: New file.
907 * doc/contrib.texi: Document SPU contributor.
908 * doc/extend.texi: Document SPU extensions.
909 * doc/invoke.texi: Document SPU options.
910 * doc/md.texi: Document SPU constraints.
912 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
914 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
916 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
918 (flow_loop_dump): Do not dump loop level.
919 (flow_loops_find): Do not call flow_loops_level_compute.
920 * cfgloop.h (struct loop): Remove level field.
922 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
924 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
925 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
926 Use vector of edges instead of array.
927 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
928 estimate_numbers_of_iterations_loop): Ditto.
929 * predict.c (predict_loops): Ditto.
930 * loop-unroll.c (analyze_insns_in_loop): Ditto.
931 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
933 * basic-block.h: Declare heap allocation for edge vectors.
934 * tree-outof-ssa.c: Ditto.
935 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
936 * cfgloop.h (get_loop_exit_edges): Declaration changed.
938 2006-11-20 Zack Weinberg <zackw@panix.com>
940 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
941 Add another out parameter, "skip".
942 (set_gc_used_type): Adjust calls to process_gc_options. If a field
943 is tagged "skip", do not mark its type used.
945 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
948 * tree-sra.c (single_scalar_field_in_record_p): New function.
949 (decide_block_copy): Use it.
951 2006-11-20 David Daney <ddaney@avtrex.com>
953 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
954 PC to point to following instruction.
956 2006-11-20 Anatoly Sokolov <aesok@post.ru>
960 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
962 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
964 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
966 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
967 Add sh/superh.h to tm_file.
969 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
970 Mark Mitchell <mark@codesourcery.com>
972 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
974 (cpp_relocated): New function.
975 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
977 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
978 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
979 replace configured prefix with gcc_exec_prefix.
981 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
983 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
984 bfin_legitimate_constant_p.
985 * config/bfin/bfin.md (movsi expander): Check return value of
987 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
988 (expand_move): Adjust prototype.
989 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
990 invalid constants specially.
991 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
993 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
995 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
996 sibcall_value_symbol): Allow these patterns if
997 TARGET_LEAF_ID_SHARED_LIBRARY.
998 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
999 (override_options): Turn on id shared library flags if -msep-data,
1000 but disallow the combination of these options on the command line.
1001 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1002 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1003 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1004 -mid-shared-library.
1005 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1006 * doc/invoke.texi (Blackfin Options): Document new switches.
1008 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1009 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1011 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1012 inflate costs for addresses with an out-of-bounds address.
1014 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1017 * fwprop.c (loops): Remove.
1018 (forward_propagate_into): Use current_loops instead of
1020 (fwprop_init): Call loop_optimizer_init instead of
1022 (fwprop_done): Call loop_optimizer_finalize instead of
1024 (fwprop): Use current_loops instead of loops.
1026 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1029 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1031 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1034 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1035 larger than BITS_PER_WORD.
1037 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1041 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1042 to MAX_FIXED_MODE_SIZE.
1044 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1046 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1047 (fold_builtin_fmin_fmax): New.
1048 (fold_builtin_1): Use it.
1050 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1052 2006-11-18 Richard Guenther <rguenther@suse.de>
1054 * config/i386/i386.c (ix86_builtins): New array for ix86
1055 builtin function decls.
1056 (def_builtin): New function.
1057 (def_builtin_const): Likewise.
1058 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1060 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1062 * doc/invoke.texi (core2): Add item.
1064 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1066 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1067 (TARGET_CPU_DEFAULT_generic): Change value.
1068 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1069 (processor_type): Add new constant PROCESSOR_CORE2.
1071 * config/i386/i386.md (cpu): Add core2.
1073 * config/i386/i386.c (core2_cost): New initialized variable.
1074 (m_CORE2): New macro.
1075 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1076 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1077 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1078 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1079 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1080 x86_accumulate_outgoing_args, x86_prologue_using_move,
1081 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1082 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1083 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1084 x86_pad_returns): Add m_CORE2.
1085 (override_options): Add entries for Core2.
1086 (ix86_issue_rate): Add case for Core2.
1088 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1090 * doc/invoke.texi: Fix mno-isel typo.
1092 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1094 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1095 easy vector constant loads.
1097 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1099 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1100 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1101 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1102 * config/rs6000/sync.md (lwsync): Emit plain sync if
1105 2006-11-17 DJ Delorie <dj@redhat.com>
1107 * reload1.c (reloads_unique_chain): New.
1108 (reloads_conflict): Call it.
1110 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1112 * config/xtensa/predicates.md (addsubx_operand): New.
1113 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1114 (xtensa_emit_bit_branch): New.
1115 (xtensa_emit_movcc): New.
1116 * config/xtensa/xtensa.md (any_minmax): New code macro.
1117 (minmax): New code attribute.
1118 (any_cond, any_scc, any_scc_sf): New code macros.
1119 (*addx2, *addx4, *addx8): Delete.
1121 (*subx2, *subx4, *subx8): Delete.
1123 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1124 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1125 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1126 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1127 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1128 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1129 (movsfcc_internal0, movsfcc_internal1): Likewise.
1130 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1131 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1132 (xtensa_emit_bit_branch): New.
1133 (xtensa_emit_movcc): New.
1134 (function_arg_boundary): Add missing prototype.
1136 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1138 * config/xtensa/xtensa.md (tstsi): Delete
1140 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1142 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1144 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1146 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1148 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1150 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1152 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1154 * tree-vrp.c (execute_vrp): Do not update current_loops.
1155 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1156 * doc/loop.texi: Remove documentation for cancelled functions.
1157 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1158 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1160 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1161 (remove_path): Ensure that in delete_basic_blocks, the loops
1162 are still allocated.
1163 (add_loop): Work on valid loop structures.
1164 (loopify): Modify call of add_loop.
1165 (mfb_update_loops): Removed.
1166 (create_preheader): Do not update loops explicitly.
1167 (force_single_succ_latches, loop_version): Do not use
1168 loop_split_edge_with.
1169 (loop_split_edge_with): Removed.
1170 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1171 Do not use bsi_insert_on_edge_immediate_loop.
1172 (split_loop_exit_edge, tree_unroll_loop): Do not use
1173 loop_split_edge_with.
1174 (bsi_insert_on_edge_immediate_loop): Removed.
1175 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1176 use loop_split_edge_with.
1177 * cfghooks.c: Include cfgloop.h.
1178 (verify_flow_info): Verify that loop_father is filled iff current_loops
1180 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1181 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1183 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1185 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1186 loop_split_edge_with.
1187 (sms_schedule): Use current_loops.
1188 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1189 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1191 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1192 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1193 * ifcvt.c (if_convert): Ditto.
1194 * predict.c (predict_loops): Do not clear current_loops.
1195 (tree_estimate_probability): Use current_loops.
1196 (propagate_freq): Receive head of the region to propagate instead of
1198 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1199 (estimate_loops): New function. Handle case current_loops == NULL.
1200 (estimate_bb_frequencies): Do not allocate tovisit. Use
1202 * tree-ssa-loop.c (current_loops): Removed.
1203 (tree_loop_optimizer_init): Do not return loops.
1204 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1205 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1206 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1207 Do not update loops explicitly.
1208 * function.h (struct function): Add x_current_loops field.
1209 (current_loops): New macro.
1210 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1211 * loop-unroll.c (split_edge_and_insert): New function.
1212 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1213 use loop_split_edge_with.
1214 * loop-doloop.c (add_test, doloop_modify): Ditto.
1215 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1216 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1217 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1218 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1220 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1221 (flow_loops_free): Do not free dfs_order and rc_order.
1222 (flow_loops_find): Do not set dfs_order and rc_order in loops
1223 structure. Do not call loops and flow info verification.
1224 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1225 already belongs to some loop.
1226 * cfgloop.h (struct loops): Remove struct cfg.
1227 (current_loops, loop_split_edge_with): Declaration removed.
1228 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1229 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1230 Declaration removed.
1231 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1232 * basic-block.h (split_edge_and_insert): Declare.
1233 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1235 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1237 PR tree-optimization/29801
1238 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1239 (get_default_value): Use get_symbol_constant_value.
1240 (set_lattice_value): ICE when the value of the constant is
1242 (visit_assignment): Ignore VDEFs of read-only variables.
1244 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1246 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1248 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1249 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1251 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1253 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1254 select subvars of var.
1256 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1259 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1260 optimize if DEF doesn't have integral type.
1262 2006-11-16 Mike Stump <mrs@apple.com>
1264 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1265 pre-darwin9 system, unless the user asks for it directly.
1266 (PREFERRED_DEBUGGING_TYPE): Likewise.
1267 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1268 * config.gcc: Add suppport for darwin9.h.
1269 * config/darwin9.h: Add.
1270 * doc/install.texi (Specific): Clarify darwin documentation.
1272 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1274 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1275 optimizing for size.
1277 2006-11-16 Mike Stump <mrs@apple.com>
1279 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1281 2006-11-16 Dirk Mueller <dmueller@suse.de>
1283 * tree-vrp.c (get_value_range): Use XCNEW instead
1285 (insert_range_assertions): Use XCNEWVEC instead
1286 of XNEWVEC and memset.
1287 (vrp_initialize): Same.
1288 (vrp_finalize): Same.
1289 * tree-ssa-ccp.c (ccp_initialize): Same.
1290 * predict.c (tree_bb_level_predictions): Same.
1291 * calls.c (expand_call): Same.
1292 * tree-ssa-copy.c (init_copy_prop): Same.
1293 (fini_copy_prop): Same.
1294 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1295 of GGC_NEW and memset.
1297 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1300 * gimplify.c (gimplify_expr): Only force a load for references to
1301 non-BLKmode volatile values.
1302 * doc/implement-c.texi (Qualifiers implementation): Document the
1303 interpretation of what a volatile access is.
1304 * doc/extend.texi (C++ Extensions): Rework same documentation.
1306 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1308 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1311 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1313 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1315 (arm_neg_abssi2): Renamed from neg_abssi2.
1316 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1318 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1320 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1321 number of arguments passed to local functions in SSE registers is 3.
1323 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1324 number of arguments passed in SSE registers to 3.
1326 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1329 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1331 (get_last_bb_insn): ... new global function.
1332 (basic_block.h): Declare it.
1333 * haifa-sched.c (create_recovery_block): Use it.
1335 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1338 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1340 2006-11-15 Paul Brook <paul@codesourcery.com>
1342 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1343 _Unwind_GetTextRelBase): Move from here ...
1344 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1345 _Unwind_GetTextRelBase): ... To here.
1347 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1349 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1350 addresses we generate for testing are aligned.
1352 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1355 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1356 to what is the const decl is a place holder for.
1358 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1360 * config/i386/i386.opt: New target option -mx87regparm.
1362 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1363 and float_in_x87 variables. mmx_words, sse_words: Remove.
1364 (X87_REGPARM_MAX): Define.
1366 * config/i386/i386.c (override_options): Error out for
1367 -mx87regparm but no 80387 support.
1368 (ix86_attribute_table): Add x87regparm.
1369 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1370 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1371 (ix86_function_x87regparm): New function.
1372 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1374 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1376 (function_arg_advance): Process x87_nregs and x87_regno when
1377 floating point argument is to be passed in 80387 register.
1378 (function_arg): Pass XFmode arguments in 80387 registers for local
1379 functions. Pass SFmode and DFmode arguments to local functions
1380 in 80387 registers when flag_unsafe_math_optimizations is set.
1382 * reg-stack.c (convert_regs_entry): Disable NaN load for
1383 stack registers that are used for argument passing.
1385 * doc/extend.texi: Document x87regparm function attribute.
1386 * doc/invoke.texi: Document -mx87regparm.
1388 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1390 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1391 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1392 arg MODE; all callers changed. Use it to determine validity per
1393 machine mode instead of using Pmode for all memory references.
1394 (get_address_cost): Likewise add and use new arg MEM_MODE.
1396 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1397 J"orn Rennecke <joern.rennecke@st.com>
1399 * combine.c (likely_spilled_retval_1): Fix masking operation.
1400 (likely_spilled_retval_p): Use proper pattern for call to
1401 likely_spilled_retval_1.
1403 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1405 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1407 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1408 that tests for CONSTANT_POOL_ADDRESS_P.
1410 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1412 PR tree-optimization/29581
1413 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1414 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1415 type is different between Y and USE, create a temporary
1416 variable, initialize it at the beginning of the body bb
1417 and use it as replacement instead of Y.
1419 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1422 * gimplify.c (fold_indirect_ref_rhs): Use
1423 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1425 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1427 * expmed.c (emit_store_flag_1): New function.
1428 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1430 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1431 Use do_compare_rtx_and_jump.
1432 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1433 * arm.md (cstoresi4): New define_expand.
1434 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1435 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1436 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1438 2006-11-14 Caroline Tice <ctice@apple.com>
1440 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1441 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1443 (pubname_table): Redefine as a vector.
1444 (pubtype_table): New static global variable, defined as a vector.
1445 (pubname_table_allocated): Remove static global variable.
1446 (pubname_table_in_use): Remove static global variable.
1447 (PUBNAME_TABLE_INCREMENT): Remove constant.
1448 (size_of_pubnames): Add parameter to deal with either pubnames or
1449 pubtypes, and change code to deal with table being a vector.
1450 (add_pubname): Change to deal with table being a vector.
1451 (add_pubtype): New function.
1452 (output_pubnames): Add parameter to deal with either pubnames or
1453 pubtypes, and change code to deal with table being a vector.
1454 (gen_array_type_die): Add call to add_pubtype.
1455 (gen_enumeration_type_die): Add call to add_pubtype.
1456 (gen_struct_or_union_type_die): Add call to add_pubtype.
1457 (gen_subroutine_type_die): Add call to add_pubtype.
1458 (gen_typedef_die): Add call to add_pubtype.
1459 (dwarf2out_init): Add code to initialize pubname_table and
1460 pubtype_table vectors; also initialize debug_pubtypes_section.
1461 (prune_unused_types): Change to deal with pubnames being a vector.
1462 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1463 pubnames table to call to output_pubnames; Add code to output pubtypes
1464 table if DEBUG_PUBTYPES_SECTION is defined.
1465 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1467 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1469 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1471 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1472 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1473 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1474 movv2si_internal): Support moves between core registers.
1476 2006-11-14 Eric Christopher <echristo@apple.com>
1478 * configure: Regenerate with autoconf 2.59.
1480 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1482 Fix PR tree-optimization/27755
1484 * tree-ssa-pre.c: Update comments.
1485 (bb_bitmap_sets): Add pa_in and deferred member.
1486 (BB_DEFERRED): New macro.
1487 (maximal_set): New variable.
1488 (pre_stats): Add pa_insert member.
1489 (bitmap_set_and): Short circuit orig == dest.
1490 (bitmap_set_subtract_values): New function.
1491 (bitmap_set_contains_expr): Ditto.
1492 (translate_vuses_through_block): Add phiblock argument.
1493 (dependent_clean): New function.
1494 (compute_antic_aux): Update for maximal_set changes.
1495 (compute_partial_antic_aux): New function.
1496 (compute_antic): Handle partial anticipation.
1497 (do_partial_partial_insertion): New function.
1498 (insert_aux): Handle partial anticipation.
1499 (add_to_sets): Add to maximal set.
1500 (compute_avail): Ditto.
1501 (init_pre): Initialize maximal_set.
1502 (execute_pre): Do partial anticipation if -O3+.
1504 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1506 PR rtl-optimization/29798
1508 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1509 TARGET_INSN before any other check.
1510 (fwprop_init): Always calculate dominators.
1511 (fwprop_done): Always free them.
1513 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1515 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1518 2006-11-13 DJ Delorie <dj@redhat.com>
1520 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1521 temporary for intermediates.
1523 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1525 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1526 (sh_optimize_target_register_callee_saved): #if 0 the code
1527 using NOTE_INSN_LOOP_{BEG,END}.
1529 2006-11-13 Roger Sayle <roger@eyesopen.com>
1531 * fold-const.c (optimize_bit_field_compare): Recursively call
1532 fold when simplifying non-constant comparisons between bit-fields.
1534 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1536 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1538 * configure: Rebuilt.
1540 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1542 * config/rs6000/cell.md: New file.
1543 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1545 (ppccell_cost): New cost matrix.
1546 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1547 (rs6000_override_options): Set rs6000_always_hint to false
1548 for cell. Also align functions/lables/loops to 8byte
1549 for the Cell. Use PROCESSOR_CELL.
1550 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1551 using_mtcr_multiple.
1552 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1553 on the Cell, return 0.
1554 (rs6000_adjust_cost): Add Cell cost adjustments.
1555 (is_microcoded_insn): Return true for Cell microcoded
1557 (is_nonpipeline_insn): New function.
1558 (rs6000_issue_rate): Add PROCESSOR_CELL.
1559 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1561 (rs6000_use_sched_lookahead_guard): New function.
1562 (rs6000_sched_reorder): Reorder the ready list, if the second
1563 to last ready insn is a nonepipeline insn on the Cell.
1564 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1565 (ASM_CPU_SPEC): Add Cell.
1566 * config/rs6000/rs6000.md (cpu): Add Cell.
1567 (cell_micro): New Attr.
1570 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1572 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1574 * configure: Rebuilt.
1576 2006-11-13 Richard Guenther <rguenther@suse.de>
1578 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1580 (ix86_expand_lfloorceil): Likewise.
1581 (ix86_expand_rint): Likewise.
1582 (ix86_expand_floorceildf_32): Likewise.
1583 (ix86_expand_floorceil): Likewise.
1584 (ix86_expand_rounddf_32): Likewise.
1585 (ix86_expand_truncdf_32): Likewise.
1586 (ix86_expand_round): Likewise.
1588 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1589 Mark Mitchell <mark@codesourcery.com>
1591 * gcc.c: Organize search path variables into $prefix relative,
1592 and well-known native. Add comments.
1593 (add_sysrooted_prefix): Add comment.
1594 (process_command): If !gcc_exec_prefix add $prefix based paths.
1595 If *cross_compile == '0', add native well-known paths.
1596 Assert tooldir_base_prefix is always relative.
1597 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1598 use this value for 'install:' path.
1599 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1601 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1603 * config/i386/i386.c: Fix a typo in comment.
1605 2006-11-13 Michael Matz <matz@suse.de>
1607 * genemit.c (gen_expand): Allocate enough memory.
1609 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1611 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1612 __GXX_TYPEINFO_EQUALITY_INLINE but not
1613 __GXX_MERGED_TYPEINFO_NAMES.
1614 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1615 __GXX_MERGED_TYPEINFO_NAMES.
1616 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1617 __GXX_TYPEINFO_EQUALITY_INLINE.
1619 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1620 Zdenek Dvorak <dvorakz@suse.cz>
1622 PR tree-optimization/29680
1623 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1626 2006-11-12 Jason Merrill <jason@redhat.com>
1627 Andrew Pinski <pinskia@physics.uc.edu>
1630 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1632 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1634 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1635 * tree.c (build_vector): Handle non-_CST elements.
1637 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1639 * genemit.c (gen_insn): Call gen_exp with a non-null used
1640 when handling multiple insns.
1641 (gen_expand): Likewise.
1642 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1643 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1644 (movsi_const_16bit+1): Copy operands[1].
1645 (call_pcrel): Copy the call_site pattern.
1646 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1648 2006-11-12 Roger Sayle <roger@eyesopen.com>
1650 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1651 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1652 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1653 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1655 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1657 Fix PR tree-optimization/29587
1658 * tree-ssa-structalias.c (process_constraint): Don't
1659 mark address taken due only to escaped vars constraint.
1661 2006-11-12 Michael Matz <matz@suse.de>
1662 Roger Sayle <roger@eyesopen.com>
1664 PR rtl-optimization/29797
1665 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1666 BITS_BIG_ENDIAN targets.
1668 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1670 * builtins.c (fold_builtin_cosh): New.
1671 (fold_builtin_1): Use it.
1672 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1673 trunc to the list of "odd" functions. Also add llrint, lrint,
1674 rint and nearbyint when flag_rounding_math is false.
1676 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1678 * tree-flow.h (name_mappings_registered_p): Declare.
1679 * tree-into-ssa.c (name_mappings_registered_p): New function.
1680 * tree-cfg.c (tree_can_merge_blocks_p): Check
1681 name_mappings_registered_p instead of need_ssa_update_p.
1683 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1685 * tree-ssa-loop.c (tree_vectorize): Return the result of
1687 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1688 if anything changed.
1689 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1690 * tree-flow.h (vectorize_loops): Declaration changed.
1692 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1694 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1696 (issue_prefetch_ref): Move assignment to write_p out of loop.
1697 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1698 SIMULTANEOUS_PREFETCHES into account.
1699 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1700 * lambda-code.c (lcm): Renamed to ...
1701 (least_common_multiple): ... and exported.
1702 * tree-flow.h (least_common_multiple): Declare.
1704 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1706 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1707 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1708 ud-chains. Handle AND_EXPR.
1709 (record_estimate): Record whether the estimate is realistic
1710 and whether it is derived from a loop exit.
1711 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1712 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1714 (compute_estimated_nb_iterations): Take only realistic bounds into
1715 account. Set estimate_state. Use double_ints.
1716 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1717 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1718 that do not have to be always executed.
1719 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1720 to determine whether to call infer_loop_bounds_from_undefined
1721 and compute_estimated_nb_iterations.
1722 (n_of_executions_at_most): Use double_ints.
1723 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1724 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1725 * double-int.c (double_int_to_tree): Improve comment.
1726 (double_int_fits_to_tree_p): New function.
1727 * double-int.h (double_int_fits_to_tree_p): Declare.
1728 * tree-data-ref.c: Include langhooks.h.
1729 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1730 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1731 (analyze_array): Do not pass estimate_only argument to
1732 analyze_array_indexes.
1733 (get_number_of_iters_for_loop): Build tree from the stored double_int
1735 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1736 (find_data_references_in_loop): Use find_data_references_in_stmt.
1737 * tree-data-ref.h (struct data_ref_loc_d): New.
1738 (get_references_in_stmt): Declare.
1739 (estimate_iters_using_array): Declaration removed.
1740 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1741 double_int. Improve comments. Add is_exit and realistic
1743 (struct loop): Changed type of estimated_nb_iterations to double_int.
1744 Added estimate_state field.
1745 (record_estimate): Declaration removed.
1747 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1749 * params.c (set_param_value): Initialize the "set" field.
1750 * params.h (struct param_info): Add "set" field.
1751 (PARAM_SET_P): New macro.
1752 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1753 L1_CACHE_LINE_SIZE): New macros.
1754 * toplev.c (DEFPARAM): Initialize the "set" field.
1755 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1756 SIMULTANEOUS_PREFETCHES): Removed.
1757 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1758 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1759 * config/sparc/sparc.c: Include params.h.
1760 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1761 L1_CACHE_LINE_SIZE parameters.
1762 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1764 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1766 * config/i386/i386.c: Include params.h.
1767 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1768 (override_options): Set SIMULTANEOUS_PREFETCHES and
1769 L1_CACHE_LINE_SIZE parameters.
1770 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1771 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1772 L1_CACHE_LINE_SIZE parameters.
1773 * config/ia64/ia64.c (ia64_optimization_options): Set
1774 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1775 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1777 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1778 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1779 * doc/invoke.texi: Document new params.
1781 2006-11-12 Roger Sayle <roger@eyesopen.com>
1783 PR tree-optimization/13827
1784 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1787 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1789 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1790 update_single_exit_for_duplicated_loops): New functions.
1791 (duplicate_loop_to_header_edge): Use
1792 update_single_exit_for_duplicated_loops.
1793 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1794 functions only with ENABLE_CHECKING.
1796 2006-11-12 Andreas Schwab <schwab@suse.de>
1798 * except.c (sjlj_emit_function_enter): Remove unused variable.
1800 2006-11-11 Roger Sayle <roger@eyesopen.com>
1802 * fold-const.c (int_binop_types_match_p): New function.
1803 (size_binop): Relax constraint that both arguments must both have
1804 exactly the same sizetype type. Instead use int_binop_types_match_p.
1805 (size_diffop): Likewise.
1807 (make_range): Use build_int_cst instead of fold_convert.
1808 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1809 integer constants of the correct type.
1810 (fold_div_compare): Likewise.
1811 (fold_single_bit_test): Likewise.
1812 (fold_binary): Likewise.
1813 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1814 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1816 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1819 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1820 non null value if the struct memory access is in the 0th
1823 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1826 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1827 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1830 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1831 instead of builtin_define for bfin and BFIN.
1833 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1835 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1838 2006-11-11 Jan Hubicka <jh@suse.cz>
1840 * extend.texi (__builtin_expect): We no longer require second argument
1842 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1843 * builtins.c (expand_builtin_expect): Simplify.
1844 (expand_builtin_expect_jump): Kill.
1845 * final.c (final_scan_insn): Do not skip the removed notes.
1846 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1847 EXPECTED_VALUE): Remove.
1848 * dojump.c (do_jump): Do not care about __builtin_expect.
1849 * predict.c (expected_value_to_br_prob): Kill.
1850 * function.c (expand_function_end): Do not expand
1851 NOTE_INSN_REPEATED_LINE_NUMBER.
1852 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1853 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1854 * cfgexpand.c (add_reg_br_prob_note): Export.
1855 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1856 expected_value_to_br_prob.
1857 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1858 * rtl.h (add_reg_br_prob_note): Declare.
1860 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1862 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1864 2006-11-11 Jan Hubicka <jh@suse.cz>
1866 * predict.c (predict_loops): Kill RTL variant.
1868 2006-11-11 Jan Hubicka <jh@suse.cz>
1870 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1871 * modulo-sched.c (find_line_note): Remove.
1872 (loop_canon_p): Do not worry about line number notes.
1873 (sms_schedule): Likewise.
1874 * cse.c (cse_main): Likewise.
1875 * regmove.c (fixup_match_1): Likewise
1876 * function.c (emit_return_info_block): Likewise.
1877 (expand_function_end): Likewise.
1878 (thread_prologue_an_epilogue_insns): Likewise.
1879 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1881 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1882 emit_note_copy_after): Kill.
1883 (emit_note_copy): Do not worry about line numbers.
1884 * jump.c (purge_line_number_notes): Kill.
1885 (pass_purge_lineno_notes): Kill.
1886 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1888 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1889 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1890 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1891 * tree-pass.h (pass_purge_lineno_notes): Kill.
1892 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1893 rm_redundant_line_notes.
1894 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1895 rm_redundant_line_notes.
1896 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1897 * haifa-sched.c: Update comment about handling notes.
1898 (unlink_line_notes): Kill.
1899 (rm_line_notes): Kill.
1900 (save_line_notes): Simplify.
1901 (rm_redundant_line_notes): Kill.
1903 2006-11-11 Richard Guenther <rguenther@suse.de>
1905 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1906 Remove unused tree codes.
1907 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1908 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1909 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1910 * tree.c (stabilize_reference): Likewise.
1911 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1912 fold_unary): Likewise.
1913 * tree-gimple.c (is_gimple_cast): Likewise.
1914 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1915 * expr.c (expand_expr_real_1): Likewise.
1916 * tree-eh.c (tree_could_trap_p): Likewise.
1917 * gimplify.c (gimplify_expr): Likewise.
1918 * tree-inline.c (estimate_num_insns_1): Likewise.
1919 * tree-cfg.c (verify_expr): Likewise.
1921 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1923 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1924 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1925 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1927 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1930 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1931 constraints accept neither registers or memories.
1933 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1935 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1936 (NO_PROFILE_COUNTERS): Define as 1.
1938 2006-11-10 Roger Sayle <roger@eyesopen.com>
1940 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1941 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1943 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1945 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
1947 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1949 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
1950 (fold_builtin_hypot): Likewise.
1951 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
1953 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
1955 2006-11-10 Roger Sayle <roger@eyesopen.com>
1957 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
1958 when attempting to build INTEGER_CSTs of non-integral types.
1959 * expmed.c (make_tree): Use the correct type, i.e. the inner
1960 type, when constructing the individual elements of a CONST_VECTOR.
1962 2006-11-10 Jan Hubicka <jh@suse.cz>
1964 * cse.c (cse_process_notes): Copy the propagated value.
1965 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
1967 * gcse.c (try_replace_reg): Copy the replacement.
1968 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
1969 (assign_386_stack_local): Always return copied memory expression
1970 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
1973 2006-11-10 Jan Hubicka <jh@suse.cz>
1975 * final.c (final): Walk from first instruction.
1976 * cfglayout.c (insn_locators_initialize): Remove line number notes.
1978 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
1981 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
1983 (umulv8hi3_highpart): Ditto.
1984 (vec_widen_smult_hi_v8hi): New expander.
1985 (vec_widen_smult_lo_v8hi): Ditto.
1987 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1990 * builtins.c (do_mpfr_arg3): New.
1991 (fold_builtin_1): Handle builtins fma, fmin and fmax.
1993 2006-11-09 Eric Christopher <echristo@apple.com>
1998 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
1999 * config.gcc (powerpc64-*-darwin*): New target.
2000 * config.host: Ditto.
2001 * config/rs6000/darwin64.h: New file.
2002 * config/rs6000/x-darwin64: Ditto.
2003 * config/rs6000/host-ppc64-darwin.c: Ditto.
2005 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2007 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2008 routines for integer division.
2010 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2012 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2014 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2017 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2019 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2021 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2022 simplify_subreg with BLKmode outer mode.
2024 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2026 * doc/invoke.texi: Minor formatting fixes in option lists.
2028 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2030 PR tree-optimization/29738
2031 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2032 (ccp_lattice_t): Remove UNKNOWN_VAL.
2033 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2034 Do not handle UNKNOWN_VAL.
2035 (get_default_value): Set initial value of virtual operands to
2037 (get_value): Always use get_default_value on uninitialized
2039 (set_value_varying, surely_varying_stmt_p): New functions.
2040 (set_lattice_value): Do not pass argument to get_value.
2041 Do not handle UNKNOWN_VAL.
2042 (likely_value): Follow the semantics described in the comment.
2043 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2044 phi nodes DONT_SIMULATE_AGAIN.
2045 (ccp_fold): Do not pass argument to get_value.
2046 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2049 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2051 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2052 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2054 2006-11-08 Roger Sayle <roger@eyesopen.com>
2056 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2057 test for inclusion rather than as a test for exclusion.
2058 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2059 the condition after calling fold_binary.
2060 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2061 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2062 * builtins.c (fold_builtin_isascii): Likewise.
2063 (fold_builtin_isdigit): Likewise.
2065 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2067 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2068 * configure: Regenerate.
2070 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2072 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2073 enum argument instead of bool.
2074 (vect_analyze_operations): Call vectorizable_type_promotion.
2075 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2076 stmt_vec_info_type value.
2077 (supportable_widening_operation, vectorizable_type_promotion): New
2078 function declarations.
2079 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2080 (vectorizable_type_promotion): New function.
2081 (vect_transform_stmt): Call vectorizable_type_promotion.
2082 * tree-vect-analyze.c (supportable_widening_operation): New function.
2083 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2085 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2088 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2089 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2090 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2092 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2093 * expr.c (expand_expr_real_1): Likewise.
2094 * optabs.c (optab_for_tree_code): Likewise.
2095 (init_optabs): Initialize new optabs.
2096 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2097 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2098 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2099 vec_unpacku_lo_optab): Initialize new optabs.
2100 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2101 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2102 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2104 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2105 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2106 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2107 (vec_unpacku_lo_optab): New optabs.
2108 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2109 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2110 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2111 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2112 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2113 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2115 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2116 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2117 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2118 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2119 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2120 implement the unsigned unpacking patterns.
2121 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2122 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2123 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2124 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2125 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2126 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2127 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2128 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2129 multiplication patterns.
2131 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2132 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2133 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2134 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2135 (rs6000_builtin_mul_widen_odd): New.
2136 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2137 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2138 * tree-vectorizer.h (enum vect_relevant): New enum type.
2139 (_stmt_vec_info): Field relevant chaned from bool to enum
2141 (STMT_VINFO_RELEVANT_P): Updated.
2142 (STMT_VINFO_RELEVANT): New.
2143 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2144 instead of STMT_VINFO_RELEVANT_P.
2145 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2146 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2147 and boolean variable with enum vect_relevant.
2148 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2149 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2150 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2152 2006-11-08 Richard Henderson <rth@redhat.com>
2154 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2155 vec_widen_umult_lo_v8hi): New.
2156 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2157 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2159 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2160 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2161 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2162 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2163 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2164 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2165 vec_unpacks_lo_v4si): New.
2167 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2169 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2170 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2171 (vect_analyze_operations): Call vectorizable_type_demotion.
2172 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2173 stmt_vec_info_type value.
2174 (vectorizable_type_demotion): New function declaration.
2175 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2178 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2179 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2181 * tree-iniline.c (estimate_num_insns_1): Likewise.
2182 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2183 * optabs.c (optab_for_tree_code): Likewise.
2185 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2186 compared against the predicate of the result is not 'mode' (the input
2187 to the function) but a mode with half the size of 'mode'.
2188 (init_optab): Initialize new optabs.
2189 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2191 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2193 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2194 (vec_pack_usat_optab): Initialize new optabs.
2195 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2196 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2198 2006-11-08 Richard Henderson <rth@redehat.com>
2200 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2201 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2202 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2203 (vec_interleave_highv4si, vec_interleave_lowv4si):
2204 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2206 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2208 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2210 (vect_transform_stmt): Removed redundant code.
2212 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2214 * tree-vect-transform.c (vectorizable_operation): Support multiple
2217 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2219 * tree-vect-transform.c (vect_align_data_ref): Removed.
2220 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2221 Updated function documentation. Return the increment stmt in ptr_incr.
2222 (bump_vector_ptr): New function.
2223 (vect_get_vec_def_for_stmt_copy): New function.
2224 (vect_finish_stmt_generation): Create a stmt_info to newly created
2226 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2228 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2229 VF is greater than the number of elements that can fit in one vector
2231 (vectorizable_operation, vectorizable_condition): Likewise.
2232 (vectorizable_store, vectorizable_load): Support the case that the VF
2233 is greater than the number of elements that can fit in one vector word.
2234 (vect_transform_loop): Don't fail in case of multiple data-types.
2235 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2236 in case of multiple data-types; the smallest type determines the VF.
2237 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2238 if they are of different sizes.
2239 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2240 number of elements rather than number of bytes.
2241 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2242 (vect_can_advance_ivs_p): Fix a dump printout
2244 2006-11-07 Eric Christopher <echristo@apple.com>
2246 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2247 (__bswapsi2): Ditto.
2248 * libgcc2.h: Remove transformation of bswap routines.
2249 * config/i386/i386.md (bswapsi2): New.
2252 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2254 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2255 (handle_gnu_inline_attribute): New function.
2256 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2257 (merge_decls, start_decl, start_function): Likewise.
2258 * doc/extend.texi: Document gnu_inline attribute.
2260 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2263 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2264 _fixunstfdi, and _floatditf
2266 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2268 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2270 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2271 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2272 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2273 which start in an odd register.
2275 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2277 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2279 2006-11-07 Josh Conner <jconner@apple.com>
2281 * doc/invoke.texi (fstrict-aliasing): Move implementation
2283 * doc/tree-ssa.texi (Alias analysis): ...here.
2285 2006-11-07 Richard Guenther <rguenther@suse.de>
2287 PR tree-optimization/29610
2288 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2289 of tree_purge_dead_eh_edges as it may free dominators.
2291 * g++.dg/other/pr29610.C: New testcase.
2293 2006-11-07 David Ung <davidu@mips.com>
2295 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2296 costs when optimizing for size.
2297 (override_options): Use mips_rtx_cost_optimize_size table for cost
2300 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2302 * gcc.c (process_command): Treat -b as normal switch if its argument
2305 2006-11-07 David Ung <davidu@mips.com>
2307 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2310 2006-11-06 Eric Christopher <echristo@apple.com>
2312 * config.gcc: Add x86_64-darwin host support.
2313 * config.host: Ditto.
2314 * config/i386/darwin64.h: New file.
2315 * config/i386/t-darwin64: Ditto.
2317 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2319 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2320 and output-exists-not.
2322 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2325 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2326 checking for overflow.
2328 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2330 * configure.ac: Fixed typo in case statement: :: changed to ;;
2332 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2334 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2335 count_leading_zeros, and count_trailing_zeros.
2336 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2337 (TARGET_FOLD_BUILTIN): Define.
2338 (TARGET_EXPAND_BUILTIN): Define.
2339 (xtensa_init_builtins): New.
2340 (xtensa_fold_builtin): New.
2341 (xtensa_expand_builtin): New.
2342 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2343 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2344 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2345 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2346 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2347 (any_extend): New code macro.
2348 (u, su): New code attributes.
2349 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2350 (nsau): Remove; replaced by clzsi2.
2351 (ffssi2): Use clzsi2.
2352 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2353 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2354 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2355 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2356 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2358 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2360 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2362 * config/arm/t-strongarm-elf: Likewise.
2363 * config/arm/t-pe: Likewise.
2364 * config/arm/t-arm-elf: Likewise.
2365 * config/arm/t-xscale-elf: Likewise.
2366 * config/arm/t-arm-coff: Likewise.
2367 * config/arm/t-xscale-coff: Likewise.
2368 * config/arm/t-wince-pe: Likewise.
2370 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2372 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2375 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2378 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2381 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2384 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2385 as a valid 80387 constant.
2386 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2387 * config/i386/i386.md (unnamed splitter): Split the load of
2388 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2391 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2393 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2394 from the soft-frame, argument and virtual registers.
2396 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2398 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2399 patterns for standard 80387 constants.
2401 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2402 Steven Bosscher <steven@gcc.gnu.org>
2404 * fwprop.c: New file.
2405 * Makefile.in: Add fwprop.o.
2406 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2407 * passes.c (init_optimization_passes): Schedule forward propagation.
2408 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2410 * timevar.def (TV_FWPROP): New.
2411 * common.opt (-fforward-propagate): New.
2412 * opts.c (decode_options): Enable forward propagation at -O2.
2413 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2414 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2415 canon_for_address, table_size): Remove.
2416 (new_basic_block, insert, remove_from_table): Remove references to
2418 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2419 simplification loop more straightforward by not calling fold_rtx
2421 (equiv_constant): Move here a small part of fold_rtx_subreg,
2422 do not call fold_rtx. Call avoid_constant_pool_reference
2424 * recog.h (canonicalize_change_group): New.
2426 * doc/invoke.texi (Optimization Options): Document fwprop.
2427 * doc/passes.texi (RTL passes): Document fwprop.
2429 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2431 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2432 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2433 (grokdeclarator): Likewise.
2435 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2437 * tree-dump.c (dump_enable_all): Rename local variable
2438 ir_type to avoid name conflicts.
2439 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2440 instead of using ir_type().
2441 * profile.c (tree_register_profile_hooks): Likewise.
2442 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2443 * basic-block.h (struct edge_def): Likewise.
2444 * config/arm/arm.c (legitimize_pic_address): Likewise.
2445 * coretypes.h (ir_type): New enum of all intermediate languages
2447 * cfghooks.c (ir_type): Rename to...
2448 (current_ir_type): ...this. Distinguish between cfgrtl and
2449 cfglayout mode when the current IR is RTL. Return enum ir_type.
2450 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2452 2006-11-03 Paul Brook <paul@codesourcery.com>
2454 * config/arm/arm.c (arm_file_start): New function.
2455 (TARGET_ASM_FILE_START): Define.
2456 (arm_default_cpu): New variable.
2457 (arm_override_options): Set arm_default_cpu.
2459 2006-11-03 David Ung <davidu@mips.com>
2461 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2462 PROCESSOR_24KC and PROCESSOR_24KF.
2463 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2464 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2465 (mips_rtx_cost_data): Add costs for the 24kc.
2466 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2467 * config/mips/24k.md: Remove references to 24k and replace with
2468 uses of 24kc/24kf in the appropriate reservations.
2469 * doc/invoke.texi (MIPS Options): Updated.
2471 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2473 * config/sh/crt1.asm: Fix #ifdef indent.
2475 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2476 Merged from STMicroelectronics sources:
2477 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2478 * config/sh/crt1.asm (vbr_600): Add missing #if.
2479 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2480 * sh.opt (mfused-madd): New option.
2481 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2482 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2483 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2484 Remove pointless handler at VBR+0.
2485 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2486 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2487 fr7. Make sure the timer handler is called with the correct FPU
2488 precision setting, according to the ABI.
2489 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2490 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2491 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2492 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2493 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2494 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2495 zero as second operand.
2496 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2497 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2498 Fixed some bugs related to negative values, in particular -0
2499 and overflow at -0x80000000.
2500 * config/sh/divcost-analysis: Added sh4-300 figures.
2501 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2502 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2503 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2504 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2505 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2506 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2508 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2510 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2511 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2512 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2513 mac_mem, mem_mac, dfp_mul, fp_cmp.
2514 (insn_class, dfp_comp, any_fp_comp): Update.
2515 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2516 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2517 (muldf3_i): Likewise.
2518 (movsi_i): Split rI08 alternative into two separate alternatives.
2520 (movsi_ie, movsi_i_lowpart): Likewise.
2521 (movqi_i): Split ri alternative into two separate alternatives.
2523 * sh1.md (sh1_load_store, sh1_fp): Update.
2524 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2525 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2526 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2527 (sh4a_fp_double_arith): Likewise.
2528 * sh4-300.md: New file.
2529 * sh.c (sh_handle_option): Handle m4-300* options.
2530 (sh_adjust_cost): Fix latency of auto-increments.
2531 Handle SH4-300 differently than other SH4s. Check for new insn types.
2532 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2533 been set by an option.
2534 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2535 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2536 (mbranch-cost=): Likewise.
2537 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2539 * sh.md (mulsf3): Remove special expansion code.
2540 (mulsf3_ie): Now a define_insn_and_split.
2541 (macsf3): Allow for TARGET_SH4.
2543 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2544 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2545 (expand_cbranchdi4): Likewise.
2546 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2547 CONST_DOUBLE if the outer code is COMPARE.
2548 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2549 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2550 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2551 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2552 Remove redundant fp_{zero,one}_operand checks.
2553 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2554 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2555 (expand_cbranchdi4): Likewise.
2556 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2557 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2559 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2561 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2564 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2566 * doc/invoke.texi: Fix mfp-trap-mode typo.
2568 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2570 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2571 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2572 file_end_indicate_exec_stack.
2573 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2575 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2576 for a non-executable stack.
2577 * crti.asm: Likewise.
2578 * crtn.asm: Likewise.
2579 * libunwind.S: Likewise.
2581 2006-11-02 Ben Elliston <bje@au.ibm.com>
2583 * tree-ssa.c (warn_uninit): Use expand_location variables for
2584 locus and declaration locus.
2586 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2589 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2590 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2591 cmp{eq,gt,gtu}{si,di}_media.
2592 (*cmpne0si_media): Remove.
2593 (*movsicc_umin): Adjust gen_cmp*_media call.
2594 (unordered): Change the mode of unordered and operands[1] to
2596 (seq): Adjust gen_cmp*_media calls. Make the mode of
2597 a temporary result of compare SImode if needed. If the mode
2598 of operands[0] is DImode, extend the temporary result to DImode.
2599 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2600 (sunorderd): Change the mode of match_operand and unorderd to
2602 (cmpeq{sf,df}_media): Remove.
2603 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2604 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2605 and compare operation to SImode.
2607 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2609 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2611 (sparc64-sun-solaris2*): Likewise.
2613 2006-11-02 Paul Brook <paul@codesourcery.com>
2615 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2616 from priority argument. Use different section for non-default
2618 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2620 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2623 * except.c (switch_to_exception_section): Do not cache the section
2624 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2625 and flag_function_sections is set.
2627 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2630 * builtins.c (do_mpfr_sincos): New.
2631 (fold_builtin_1): Use it to fold builtin sincos.
2633 2006-11-01 Roger Sayle <roger@eyesopen.com>
2635 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2636 it into -D_REENTRANT.
2638 2006-11-01 Roger Sayle <roger@eyesopen.com>
2640 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2641 whether the assembler supports taking the difference of symbols in
2642 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2643 * configure: Regenerate.
2644 * config.in: Regenerate.
2645 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2646 the assembler doesn't support taking the difference of symbols in
2647 different sections, i.e. we're using the native solaris assembler.
2649 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2650 Peter Bergner <bergner@vnet.ibm.com>
2652 * doc/invoke.texi: Add cpu_type power6x
2653 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2654 * config.gcc: Add cpu_type power6x.
2655 * configure.ac: Add test for mf{t,f}gpr instructions.
2656 (HAVE_AS_MFPGPR): New.
2657 * config.in: Regenerate.
2658 * configure: Regenerate.
2659 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2660 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2661 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2662 and mftgpr attributes.
2663 (define_attr "cpu"): Add power6.
2664 Change instruction sequences to use new attributes.
2665 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2666 (fix_truncdfsi2_mfpgpr): New.
2667 (floatsidf_ppc64_mfpgpr): New.
2668 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2669 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2670 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2671 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2672 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2673 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2674 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2675 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2676 cntlz,exts and var_delayed_compare.
2677 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2678 _ARCH_PWR6X, if features enabled.
2679 * config/rs6000/rs6000.opt (mmfpgpr): New.
2680 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2681 (cached_can_issue_more): New variable.
2682 (processor_costs): Add power6_cost.
2683 (rs6000_sched_init): New function.
2684 (is_dispatch_slot_restricted): Deleted.
2685 (set_to_load_agen): New function.
2686 (is_load_insn,is_store_insn): New functions.
2687 (adjacent_mem_locations): New function.
2688 (insn_must_be_first_in_group): New function.
2689 (insn_must_be_last_in_group): New function.
2690 (rs6000_sched_reorder): New function.
2691 (rs6000_sched_reorder2): New function.
2692 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2693 TARGET_SCHED_REORDER2): Define.
2694 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2695 Add power6x. Add MASK_MFPGPR for power6x.
2696 (POWERPC_MASKS): Add MASK_MFPGPR.
2697 (rs6000_override_options): Set rs6000_always_hint to false
2698 for power6. Set rs6000_align_branch_targets. Replace
2699 rs6000_sched_groups check with rs6000_align_branch_targets.
2700 Use PROCESSOR_POWER6.
2701 (last_scheduled_insn): New variable.
2702 (load_store_pendulum): New variable.
2703 (rs6000_variable_issue): Set last_scheduled_insn and
2704 cached_can_issue_more.
2705 (rs6000_adjust_cost): Add power6 cost adjustments.
2706 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2707 with insn_must_be_first_in_group. Add power6 priority adjustments.
2708 (rs6000_issue_rate): Add CPU_POWER6.
2709 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2710 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2711 (TARGET_MFPGPR): New.
2712 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2713 (ASM_CPU_SPEC): Add power6x.
2714 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2716 * config/rs6000/power6.md: New file.
2718 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2720 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2721 HOST_WIDE_INT_PRINT to print high and low parts. Use
2722 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2723 printing a hexadecimal number prefix it with 0x.
2725 2006-11-01 Chris Johns <chris@contemporary.net.au>
2728 * Makefile.in (install-driver): Use exeext when installing
2729 $target-gcc-$version.
2731 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2733 * c-common.c (flag_cpp0x): New.
2734 * c-common.h (flag_cpp0x): New.
2735 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2736 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2737 * c-opts.c (set_std_cxx0x): New.
2738 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2739 * c.opt (std=c++0x): Document.
2740 (std=gnu++0x): Ditto.
2741 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2742 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2744 2006-11-01 Richard Guenther <rguenther@suse.de>
2746 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2748 (ix86_expand_floorceildf_32): Likewise.
2749 (ix86_expand_floorceil): Likewise.
2750 (ix86_expand_trunc): Likewise.
2752 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2754 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2757 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2759 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2761 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2763 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2765 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2766 * configure.ac (use_cxa_atexit): As a special case, don't test
2767 for libc definition of __cxa_atexit on mingw32
2768 * configure: Regenerate.
2769 * config.gcc (i[34567]86-pc-mingw32): Default to
2770 enable__cxa_atexit=yes.
2772 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2774 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2776 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2779 * c-decl.c (start_struct): Don't create self-containing
2781 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2783 * config/rs6000/rs6000-protos.h
2784 (darwin_rs6000_special_round_type_align): New.
2785 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2786 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2788 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2790 * toplev.c (compile_file): Call final_write_globals
2791 even if there have been errors.
2793 2006-10-31 Eric Christopher <echristo@apple.com>
2794 Falk Hueffner <falk@debian.org>
2796 * doc/extend.texi (__builtin_bswap32): Document.
2797 (__builtin_bswap64): Ditto.
2798 * doc/libgcc.texi (bswapsi2): Document.
2800 * doc/rtl.texi (bswap): Document.
2801 * optabs.c (expand_unop): Don't widen a bswap.
2802 (init_optabs): Init bswap. Set libfuncs explicitly
2803 for bswapsi2 and bswapdi2.
2804 * optabs.h (OTI_bswap): New.
2805 (bswap_optab): Ditto.
2806 * genopinit.c (optabs): Handle bswap_optab.
2807 * tree.h (tree_index): Add TI_UINT32_TYPE and
2809 (uint32_type_node): New.
2810 (uint64_type_node): Ditto.
2811 * tree.c (build_common_tree_nodes_2): Initialize
2812 uint32_type_node and uint64_type_node.
2813 * builtins.c (expand_builtin_bswap): New.
2814 (expand_builtin): Call.
2815 (fold_builtin_bswap): New.
2816 (fold_builtin_1): Call.
2817 * fold-const.c (tree_expr_nonnegative_p): Return true
2819 * builtin-types.def (BT_UINT32): New.
2821 (BT_FN_UINT32_UINT32): Ditto.
2822 (BT_FN_UINT64_UINT64): Ditto.
2823 * builtins.def (BUILT_IN_BSWAP32): New.
2824 (BUILT_IN_BSWAP64): Ditto.
2825 * rtl.def (BSWAP): New.
2826 * genattrtab.c (check_attr_value): New.
2827 * libgcc2.c (__bswapSI2): New.
2828 (__bswapDI2): Ditto.
2829 * libgcc2.h (__bswapSI2): Declare.
2830 (__bswapDI2): Ditto.
2831 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2832 * simplify-rtx.c (simplify_const_unary_operation): Return
2834 * libgcc-std.ver (__bwapsi2): Add.
2835 (__bswapdi2): Ditto.
2836 * reload1.c (eliminate_regs_1): Add bswap.
2837 (elimination_effects): Ditto.
2838 * config/i386/i386.h (x86_bswap): New.
2839 (TARGET_BSWAP): Use.
2840 * config/i386/i386.c (x86_bswap): Set.
2842 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2844 * coverage.c (coverage_checksum_string): Update comment.
2845 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2846 of get_file_function_name.
2847 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2848 of get_file_function_name_long.
2849 * tree.c (get_file_function_name): Rename from
2850 get_file_function_name_long; improve comment; handle 'I' and 'D'
2851 specially when the target has ctor/dtor support; remove special
2853 (get_file_function_name): Remove.
2854 * tree.h (get_file_function_name): Rename from
2855 get_file_function_name_long.
2856 (get_file_function_name): Remove prototype.
2858 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2860 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2861 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2863 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2864 Call dsymutil when compiling and linking one or more source files
2867 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2870 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2872 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2874 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2875 inline static functions in c99 mode.
2878 * doc/extend.texi (Inline): Update.
2879 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2880 * c-decl.c (current_extern_inline): Delete.
2881 (pop_scope): Adjust test for an undefined nested function.
2882 Add warning about undeclared inline function.
2883 (diagnose_mismatched_decls): Update comments. Disallow overriding
2884 of inline functions in a translation unit in C99. Allow inline
2885 declarations in C99 at any time.
2886 (merge_decls): Boolize variables. Handle C99 'extern inline'
2888 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2889 C99 inline semantics.
2890 (start_function): Don't clear current_extern_inline. Don't set
2892 (c_push_function_context): Don't push current_extern_inline.
2893 (c_pop_function_context): Don't restore current_extern_inline.
2896 * c-typeck.c (build_external_ref): Warn about static variables
2897 used in extern inline functions.
2898 * c-decl.c (start_decl): Warn about static variables declared
2899 in extern inline functions.
2901 2006-10-31 Roger Sayle <roger@eyesopen.com>
2904 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2905 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2906 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2907 or y is an even integer.
2909 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2912 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2913 * gthr-posix95.h (__gthread_active_p): Likewise.
2915 2006-10-31 Richard Guenther <rguenther@suse.de>
2917 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2918 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2919 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2920 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2921 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2922 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2923 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2924 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2927 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2929 * opts.c (decode_options): Disable CSE skip blocks.
2931 2006-10-30 Dirk Mueller <dmueller@suse.de>
2933 * c-common.h (strict_aliasing_warning): Fix whitespace.
2934 * c-decl (start_function): Move code for main decl warning ..
2935 * c-common.c (check_main_parameter_types): .. here.
2936 * c-common.h (check_main_parameter_types): Declare.
2938 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2941 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2943 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2945 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2946 be a PARALLEL containing sets. Return false when out_pat is not
2949 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2951 * config/mips/mips.md (mul<mode>3): Split into...
2952 (mulsi3, muldi3): ...these separate patterns.
2954 2006-10-30 Richard Sandiford <richard@codesourcery.com>
2956 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
2957 but with each set of options separated by spaces.
2959 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
2961 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
2962 dwarf_reg_size_table has been initialized.
2964 2006-10-30 Roger Sayle <roger@eyesopen.com>
2966 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
2967 * ddg.c (print_ddg_edge): Likewise.
2968 * dwarf2out.c (prune_unused_types_walk): Likewise.
2969 * ifcvt.c (noce_try_cmove_arith): Likewise.
2970 * langhooks.c (add_builtin_function): Likewise.
2971 * reg-stack.c (subst_stack_regs_pat): Likewise.
2972 * tree.c (expanded_location): Likewise.
2973 * tree-dump.c (dequeue_and_dump): Likewise.
2975 2006-10-30 David Daney <ddaney@avtrex.com>
2977 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
2979 2006-10-30 Jakub Jelinek <jakub@redhat.com>
2981 PR tree-optimization/29637
2982 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
2983 of the innertype is the innertype itself.
2985 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
2987 * dwarf2out.c (file_name_acquire): Correct typo.
2989 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
2991 * tree.h (tree_value_handle): Remove struct value_set declaration.
2992 Change value_set to bitmap_set.
2993 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
2994 * tree-vn.c (get_value_handle): Made inline and moved to
2996 * tree-flow-inline.h: (has_stmt_ann): New function.
2997 * tree-ssa-pre.c (expressions): New variable.
2998 (next_expression_id): Ditto.
2999 (alloc_expression_id): New function.
3000 (struct value_set): Remove.
3001 (get_expression_id): New function.
3002 (get_or_alloc_expression_id): Ditto.
3003 (expression_for_id): Ditto.
3004 (clear_expression_ids): Ditto.
3005 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3006 (bb_value_sets): Renamed to bb_bitmap_sets.
3007 All value sets replaced with bitmap_sets.
3009 (BB_VISITED): New macro.
3010 (postorder): New variable.
3011 (add_to_value): Removed.
3012 (value_exists_in_set_bitmap): Ditto.
3013 (value_insert_into_set_bitmap): Ditto.
3016 (set_remove): Ditto.
3017 (set_contains_value): Ditto.
3018 (insert_into_set): Ditto.
3020 (find_leader): Ditto.
3021 (bitmap_set_subtract_from_value_set): Ditto.
3022 (value_insert_into_set): Ditto.
3023 (print_value_set): Ditto.
3024 (debug_value_set): Ditto.
3025 (constant_expr_p): New function.
3026 (bitmap_remove_from_set): Ditto.
3027 (bitmap_insert_into_set): Ditto.
3028 (bitmap_set_free): Ditto.
3029 (vh_compare): Ditto.
3030 (sorted_array_from_bitmap_set): Ditto.
3031 (bitmap_set_subtract): Ditto.
3032 (bitmap_set_equal): Ditto.
3033 (debug_bitmap_set): Ditto.
3034 (find_leader_in_sets): Ditto.
3035 (bitmap_set_replace_value): Modify for bitmapped sets.
3036 (phi_translate): Ditto.
3037 (phi_translate_set): Ditto.
3038 (bitmap_find_leader): Ditto.
3039 (valid_in_sets): Ditto.
3040 (union_contains_value): Ditto.
3042 (compute_antic_aux): Ditto. Mark changed blocks.
3043 (compute_antic): Ditto. Iterate in postorder and only over
3045 (compute_rvuse_and_antic_safe): Reuse postorder.
3046 (create_component_ref_by_pieces): Modify for bitmapped sets.
3047 (find_or_generate_expression): Ditto.
3048 (create_expression_by_pieces): Ditto.
3049 (insert_into_preds_of_block): Ditto.
3050 (changed_blocks): New variable.
3051 (do_regular_insertion): Broken out from insert_aux.
3052 (insert_aux): Modified for bitmapped sets.
3053 (find_existing_value_expr): New function.
3054 (create_value_expr_from): Use it.
3055 (insert_extra_phis): Removed.
3056 (print_bitmap_set): Renamed from bitmap_print_value_set.
3057 (compute_avail): Handle RETURN_EXPR.
3058 (init_pre): Modify for bitmapped sets.
3059 * tree-flow.h (has_stmt_ann): New function.
3061 2006-10-29 Roger Sayle <roger@eyesopen.com>
3063 * builtins.c (fold_builtin_floor): Check for the availability of
3064 the C99 trunc function before transforming floor into trunc.
3066 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3068 * builtins.c (fold_builtin_hypot): Rearrange recursive
3069 transformation before others, and also do ABS_EXPR. When
3070 necessary, check flag_unsafe_math_optimizations. When necessary,
3073 2006-10-29 Roger Sayle <roger@eyesopen.com>
3075 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3076 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3077 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3078 Fold -X eq/ne -Y as X eq/ne Y.
3080 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3082 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3083 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3084 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3085 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3086 Use an inclusive test for "mult" rather than "mul".
3087 (rotr<mode>3): Depend on ISA_HAS_ROR.
3088 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3090 (GENERATE_MULT3_DI): Delete.
3091 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3092 (ISA_HAS_MUL3): New macro.
3093 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3094 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3095 (ISA_HAS_CLZ_CLO): Likewise.
3096 (ISA_HAS_DCLZ_DCLO): Delete.
3097 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3098 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3099 the VR4120 and VR4130.
3100 (ISA_HAS_MACCHI): Use consistent formatting.
3101 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3102 (ISA_HAS_ROR): ...this new macro.
3103 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3104 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3105 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3107 2006-10-29 Roger Sayle <roger@eyesopen.com>
3109 PR tree-optimization/15458
3110 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3113 2006-10-29 Richard Guenther <rguenther@suse.de>
3115 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3116 (ix86_expand_truncdf_32): Likewise.
3117 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3118 trunc inline for SSE math and -fno-trapping-math and if not
3119 optimizing for size.
3120 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3121 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3122 for expanding btrunc inline for SSE math.
3124 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3126 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3127 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3128 i[34567]86-*-solaris2.1[0-9]*.
3129 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3130 Define conditionally depending on TARGET_64BIT_DEFAULT.
3131 (SPEC_32, SPEC_64): Define.
3132 (LINK_SPEC): Use them.
3133 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3135 2006-10-29 Richard Guenther <rguenther@suse.de>
3137 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3138 (ix86_expand_rounddf_32): Likewise.
3139 * config/i386/i386.c (ix86_expand_round): New function expanding
3140 round inline for SSE math and -fno-trapping-math and if not
3141 optimizing for size.
3142 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3143 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3144 round via ix86_expand_round.
3146 2006-10-29 Richard Guenther <rguenther@suse.de>
3148 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3149 (ix86_expand_floorceildf_32): Likewise.
3150 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3151 static helper function.
3152 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3154 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3155 * config/i386/i386.md (floordf2): Adjust to enable floor
3156 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3157 -fno-trapping-math is enabled and if not optimizing for size.
3158 (floorsf2, ceildf2, ceilsf2): Likewise.
3159 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3160 (sse2_maskcmpdf3): Likewise.
3162 2006-10-29 Richard Guenther <rguenther@suse.de>
3164 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3165 rint in case -fno-trapping-math is enabled.
3166 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3167 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3168 (ix86_expand_sse_fabs): Likewise.
3169 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3170 * config/i386/i386.md (rintdf2): Enable for SSE math if
3171 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3172 (rintsf2): Likewise.
3174 2006-10-29 Richard Guenther <rguenther@suse.de>
3176 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3177 to conversion optabs.
3178 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3179 as conversion optab.
3180 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3181 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3182 (lfloor_optab, lceil_optab): Adjust defines.
3183 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3184 lfloor and lceil optabs now being conversion optabs.
3185 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3186 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3187 New static helper function.
3188 (ix86_expand_lfloorceil): New function to expand lfloor and
3190 * config/i386/i386.md (lfloor<mode>2): Split into ...
3191 (lfloorxf<mode>2): ... x87 variant
3192 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3193 using ix86_expand_lfloorceil.
3194 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3196 * doc/md.texi (lfloorMN, lceilMN): Document.
3198 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3200 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3201 -mno-shared assembler option on mips targets.
3202 * configure, config.in: Regenerate.
3203 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3204 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3205 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3207 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3209 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3210 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3212 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3214 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3215 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3218 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3221 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3222 (fold_builtin_pow): Evaluate constant arguments at compile-time
3224 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3225 (do_mpfr_ckconv): New helper function.
3226 (do_mpfr_arg1): Use do_mpfr_ckconv.
3227 (do_mpfr_arg2): New.
3229 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3232 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3233 (-fdump-rtl-sched): Rename to ..
3234 (-fdump-rtl-sched1): here. Also fix file extension number.
3236 2006-10-28 Richard Guenther <rguenther@suse.de>
3238 * fold-const.c (maybe_canonicalize_comparison): Fix code
3241 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3243 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3244 (NON_QI_REG_P): Use IN_RANGE.
3245 (REX_INT_REGNO_P): Use IN_RANGE.
3246 (FP_REGNO_P): Use IN_RANGE.
3247 (SSE_REGNO_P): Use IN_RANGE.
3248 (REX_SSE_REGNO_P): Use IN_RANGE.
3249 (MMX_REGNO_P): Use IN_RANGE.
3250 (STACK_REGNO_P): New macro.
3251 (STACK_REG_P): Use STACK_REGNO_P.
3252 (NON_STACK_REG_P): Use STACK_REGNO_P.
3253 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3254 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3255 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3256 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3257 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3259 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3261 * except.h (output_function_exception_table): Add 'const char*' param.
3262 * except.c (switch_to_exception_section): Add 'const char*' param.
3263 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3264 and flag_function_sections is set, use a function-specific section.
3265 (output_function_exception_table): Add 'const char*' param.
3266 Adjust call to switch_to_exception_section.
3267 * final.c (rest_of_handle_final): Adjust calls to
3268 output_function_exception_table.
3269 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3270 * config.in: Regenerate.
3271 * configure: Likewise.
3273 2006-10-28 Richard Guenther <rguenther@suse.de>
3276 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3277 for maybe_canonicalize_comparison.
3278 (maybe_canonicalize_comparison): New function for canonicalizing
3280 (fold_comparison): Call it to canonicalize comparisons with
3283 2006-10-28 Richard Guenther <rguenther@suse.de>
3286 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3287 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3288 (expand_builtin): Adjust likewise.
3289 * genopinit.c (optabs[]): Add lround optab.
3290 * optabs.c (init_optabs): Initialize lround_optab.
3291 * optabs.h (enum convert_optab_index): Add COI_lround.
3292 (lround_optab): Define.
3293 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3294 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3296 (ix86_expand_lround): New function.
3297 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3299 * doc/md.texi (lroundMN2): Document.
3301 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3304 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3305 argument to HOST_WIDE_INT. Update function prototype.
3306 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3307 "size" argument to HOST_WIDE_INT. Update function prototype.
3309 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3311 * config/i386/i386.c (output_387_ffreep): Create output from a
3312 template string for !HAVE_AS_IX86_FFREEP.
3314 2006-10-27 Eric Christopher <echristo@apple.com>
3316 * config/darwin.c: Fix formatting and grammar.
3318 2006-10-27 Jan Hubicka <jh@suse.cz>
3320 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3321 to be thrown away soon when IGNORE is set.
3322 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3323 indicating when return value shall not be computed.
3324 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3326 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3328 * config/i386/i386.h (TARGET_GEODE):
3329 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3330 (TARGET_CPU_DEFAULT_geode): New macro.
3331 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3332 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3333 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3334 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3335 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3337 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3338 (processor_type): Add PROCESSOR_GEODE.
3340 * config/i386/i386.md: Include geode.md.
3343 * config/i386/i386.c (geode_cost): New initialized global
3345 (m_GEODE, m_K6_GEODE): New macros.
3346 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3347 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3348 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3349 x86_schedule): Use m_K6_GEODE instead of m_K6.
3350 (x86_movx, x86_cmove): Set up m_GEODE.
3351 (x86_integer_DFmode_moves): Clear m_GEODE.
3352 (processor_target_table): Add entry for geode.
3353 (processor_alias_table): Ditto.
3355 * config/i386/geode.md: New file.
3357 * doc/invoke.texi: Add entry about geode processor.
3359 2006-10-27 Mike Stump <mrs@apple.com>
3361 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3362 __DYNAMIC__ from here back to ...
3363 * config/darwin.h (CPP_SPEC): ... here.
3365 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3366 Nathan Sidwell <nathan@codesourcery.com>
3368 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3369 when choosing the minimum heapsize.
3371 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3373 * gcc/unwind-dw2.h: Move cfa-related variables into
3374 struct frame_state_reg_info to ensure that the CFA is properly
3375 handled when executing DW_CFA_{remember,restore}_state.
3376 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3377 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3378 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3379 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3380 gcc/config/rs6000/linux-unwind.h,
3381 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3382 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3383 Modify to use new cfa_* fields.
3385 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3387 * config/s390/s390.c (s390_init_frame_layout): Check positive
3390 2006-10-26 Ben Elliston <bje@au.ibm.com>
3392 * gimplify.c (get_name): Remove extraneous break.
3393 (gimplify_omp_for): Initialise ret with GS_OK.
3395 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3397 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3398 Add unix98.o to link line.
3400 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3403 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3404 Calculate compile-time constants using MPFR.
3405 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3406 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3408 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3410 * config/xtensa/lib2funcs.S: Use C-style comments.
3412 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3414 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3415 (file_table_relative_p): Likewise.
3416 (dwarf2out_finish): Likewise.
3417 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3419 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3421 * tree-ssa-structalias.c (intra_create_variable_infos):
3422 Don't recreate nonlocal_all if it already exists.
3424 2006-10-25 Richard Guenther <rguenther@suse.de>
3427 * optabs.h (enum optab_index): Remove OTI_lrint.
3428 (enum convert_optab_index): Add COI_lrint.
3429 (lrint_optab): Adjust.
3430 (expand_sfix_optab): Declare.
3431 * optabs.c (expand_sfix_optab): New function.
3432 (init_optabs): Init lrint_optab as conversion optab.
3433 * genopinit.c (lrint_optab): Change to a conversion optab.
3434 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3435 expansion via conversion optab.
3436 * config/i386/i386.md (*fistdi2_1): Remove
3437 flag_unsafe_math_optimizations guard.
3438 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3439 fist<mode>2_with_temp): Likewise.
3440 (lrint<mode>2): Split into...
3441 (lrintxf<mode>2): ... x87 part
3442 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3443 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3444 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3445 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3446 * doc/md.texi (lrintMN2): Document.
3448 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3451 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3452 Use inc and dec instructions for TARGET_USE_INCDEC.
3453 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3454 ("sync_double_compare_and_swap<mode>"): Likewise.
3455 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3456 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3457 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3458 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3459 ("sync_old_add<mode>"): Likewise.
3460 ("sync_lock_test_and_set<mode>"): Likewise.
3461 ("sync_lock_test_and_set<mode>"): Likewise.
3462 ("sync_add<mode>"): Likewise.
3463 ("sync_sub<mode>"): Likewise.
3464 ("sync_ior<mode>"): Likewise.
3465 ("sync_and<mode>"): Likewise.
3466 ("sync_xor<mode>"): Likewise.
3468 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3470 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3471 (remainder_optab): Define corresponding macro.
3472 (drem_optab): Remove.
3473 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3474 drem_optab initialization.
3475 * genopinit.c (optabs): Implement remainder_optab using
3476 remainder?f3 patterns. Remove drem_optab.
3477 * builtins.c (expand_builtin_mathfn_2): Handle
3478 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3479 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3480 expand_builtin_mathfn_2.
3482 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3483 depend on flag_unsafe_math_optimizations.
3485 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3486 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3487 Do not depend on flag_unsafe_math_optimizations. Use
3488 truncxf?f expander instead of truncxf?f_i387_noop.
3490 ("fpremxf4", "fprem1xf4"): Do not depend on
3491 flag_unsafe_math_optimizations.
3492 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3493 flag_unsafe_math_optimizations. Use truncxf?f expander
3494 instead of truncxf?f_i387_noop.
3496 * doc/md.texi (fmod, remainder): Document standard named pattern.
3498 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3499 David Daney <ddaney@avtrex.com>
3502 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3504 2006-10-25 Ben Elliston <bje@au.ibm.com>
3506 * doc/extend.texi (Variable Attributes): Typo fix.
3508 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3510 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3511 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3512 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3513 (FRAME_POINTER_REGNUM): Update register number to 21.
3514 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3515 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3517 * config/i386/i386.c (regclass_map): Add fpcr entry.
3518 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3520 (print_reg): Assert REGNO (x) != FPCR_REG.
3522 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3523 (DIRFLAG_REG): Renumber.
3524 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3525 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3526 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3527 hardcoded SSE register numbers.
3529 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3530 hardcoded MMX register numbers.
3532 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3535 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3536 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3538 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3539 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3540 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3541 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3543 2006-10-24 Richard Guenther <rguenther@suse.de>
3546 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3547 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3548 for deciding optimizations in consistency with fold-const.c
3549 (fold_builtin_unordered_cmp): Likewise.
3551 2006-10-24 Richard Guenther <rguenther@suse.de>
3553 * builtins.c (fold_builtin_floor): Fold floor (x) where
3554 x is nonnegative to trunc (x).
3555 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3556 nonnegative to FIX_TRUNC_EXPR.
3558 2006-10-24 Richard Guenther <rguenther@suse.de>
3560 PR tree-optimization/29567
3561 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3562 for TRUTH_NOT_EXPR. Clarify comments.
3564 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3567 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3568 at compile-time using MPFR. Change parameter VALUE to FUNC,
3570 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3571 for overflow and underflow at all times and avoid folding in
3574 2006-10-24 Ben Elliston <bje@au.ibm.com>
3576 * reload1.c: Formatting fixes.
3578 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3580 PR tree-optimization/14784
3581 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3582 * tree-ssa-structalias.c (get_constraint_for,
3583 intra_create_variable_infos): Set is_heapvar.
3584 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3585 non-heapvar pointer variables specially.
3587 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3590 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3591 fold_builtin_tan): Fold all constant arguments. Take a "type"
3592 argument as necessary.
3593 (do_mpfr_arg1): New.
3594 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3596 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3598 * config/xtensa/lib1funcs.asm: Use C-style comments.
3600 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3602 * tree.c (local_define_builtin): Replace calls to
3603 lang_hooks.builtin_function with add_builtin_function.
3604 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3606 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3608 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3609 common code to add_builtin_function.
3610 * langhooks.c (add_builtin_function): New function.
3611 (lhd_builtin_function): New function.
3612 * langhooks.h (struct lang_hooks): Change the signature of
3614 (add_builtin_function): New function.
3615 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3616 calls to lang_hooks.builtin_function with add_builtin_function.
3617 * c-common.c (decl_builtin_1): Replace calls to
3618 lang_hooks.builtin_function with add_builtin_function.
3619 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3620 lang_hooks.builtin_function with add_builtin_function.
3621 * config/frv/frv.c (def_builtin): Replace calls to
3622 lang_hooks.builtin_function with add_builtin_function.
3623 * config/s390/s390.c (s390_init_builtins): Replace calls to
3624 lang_hooks.builtin_function with add_builtin_function.
3625 * config/sparc/sparc.c (def_builtin): Replace calls to
3626 lang_hooks.builtin_function with add_builtin_function.
3627 * config/i386/i386.c (def_builtin): Replace calls to
3628 lang_hooks.builtin_function with add_builtin_function.
3629 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3630 lang_hooks.builtin_function with add_builtin_function.
3631 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3632 lang_hooks.builtin_function with add_builtin_function.
3633 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3634 Replace calls to lang_hooks.builtin_function with
3635 add_builtin_function.
3636 * config/iq2000/iq2000.c (def_builtin):
3637 Replace calls to lang_hooks.builtin_function with
3638 add_builtin_function.
3639 * config/ia64/ia64.c (def_builtin): Replace calls to
3640 lang_hooks.builtin_function with add_builtin_function.
3641 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3642 lang_hooks.builtin_function with add_builtin_function.
3643 (altivec_init_builtins): Replace calls to
3644 lang_hooks.builtin_function with add_builtin_function.
3645 * config/arm/arm.c (def_mbuiltin): Replace calls to
3646 lang_hooks.builtin_function with add_builtin_function.
3647 (arm_init_tls_builtins): Replace calls to
3648 lang_hooks.builtin_function with add_builtin_function.
3649 * config/mips/mips.c (mips_init_builtins): Replace calls to
3650 lang_hooks.builtin_function with add_builtin_function.
3651 * config/bfin/bfin.c (def_builtin): Replace calls to
3652 lang_hooks.builtin_function with add_builtin_function.
3653 * langhooks-def.h (lhd_builtin_function): New function.
3654 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3656 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3658 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3659 BUILT_IN_STRNCAT_CHK.
3661 2006-10-23 Jan Hubicka <jh@suse.cz>
3663 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3664 don't do conversion from memmove to memcpy here.
3665 (expand_builtin_bcopy, expand_builtin): Update call of
3666 expand_builtin_memmove.
3667 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3669 2006-10-23 Paul Brook <paul@codesourcery.com>
3671 * stor-layout.c (start_record_layout): maximum_field_alignment
3672 overrides STRUCTURE_SIZE_BOUNDARY.
3674 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3676 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3677 nonlocal function symbols if flag_pic.
3679 2006-10-23 Richard Guenther <rguenther@suse.de>
3683 * builtins.c (fold_binary): Remove checks for flag_wrapv
3684 and flag_trapv where negate_expr_p covers these cases.
3686 2006-10-23 Richard Guenther <rguenther@suse.de>
3689 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3690 of two on the absolute value.
3691 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3692 and negating -C does not overflow.
3694 2006-10-23 Richard Guenther <rguenther@suse.de>
3697 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3698 only if not flag_rounding_math.
3700 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3701 Kaz Kojima <kkojima@gcc.gnu.org>
3704 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3705 SImode memory reference for the source of a movua.
3706 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3707 (movua): Use an unspec instead of sign_extract. Expect the source
3708 to have mode BLKmode.
3709 (extv, insv): Use a BLKmode rather than SImode memory reference
3710 for the source of a movua.
3712 2006-10-22 Jeff Law <law@redhat.com>
3713 Richard Guenther <rguenther@suse.de>
3715 PR tree-optimization/15911
3716 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3717 (register_edge_assert_for_1): Likewise.
3718 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3719 (find_conditional_asserts): Adjust for new function signature.
3720 (find_assert_locations): Likewise.
3722 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3724 * config/i386/tmmintrin.h: Remove the duplicated content.
3726 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3728 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3729 (x86_64-*-*): Likewise.
3731 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3732 (override_options): Check SSSE3.
3733 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3734 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3735 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3736 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3737 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3738 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3739 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3740 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3741 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3742 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3743 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3744 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3745 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3746 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3747 IX86_BUILTIN_PABSD128.
3748 (bdesc_2arg): Add SSSE3.
3749 (bdesc_1arg): Likewise.
3750 (ix86_init_mmx_sse_builtins): Support SSSE3.
3751 (ix86_expand_builtin): Likewise.
3752 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3754 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3755 (UNSPEC_PSIGN): Likewise.
3756 (UNSPEC_PALIGNR): Likewise.
3757 Include mmx.md before sse.md.
3759 * config/i386/i386.opt: Add -mssse3.
3761 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3762 (ssse3_phaddwv4hi3): Likewise.
3763 (ssse3_phadddv4si3): Likewise.
3764 (ssse3_phadddv2si3): Likewise.
3765 (ssse3_phaddswv8hi3): Likewise.
3766 (ssse3_phaddswv4hi3): Likewise.
3767 (ssse3_phsubwv8hi3): Likewise.
3768 (ssse3_phsubwv4hi3): Likewise.
3769 (ssse3_phsubdv4si3): Likewise.
3770 (ssse3_phsubdv2si3): Likewise.
3771 (ssse3_phsubswv8hi3): Likewise.
3772 (ssse3_phsubswv4hi3): Likewise.
3773 (ssse3_pmaddubswv8hi3): Likewise.
3774 (ssse3_pmaddubswv4hi3): Likewise.
3775 (ssse3_pmulhrswv8hi3): Likewise.
3776 (ssse3_pmulhrswv4hi3): Likewise.
3777 (ssse3_pshufbv16qi3): Likewise.
3778 (ssse3_pshufbv8qi3): Likewise.
3779 (ssse3_psign<mode>3): Likewise.
3780 (ssse3_psign<mode>3): Likewise.
3781 (ssse3_palignrti): Likewise.
3782 (ssse3_palignrdi): Likewise.
3783 (abs<mode>2): Likewise.
3784 (abs<mode>2): Likewise.
3786 * config/i386/tmmintrin.h: New file.
3788 * doc/extend.texi: Document SSSE3 built-in functions.
3790 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3792 2006-10-22 Ira Rosen <irar@il.ibm.com>
3794 * tree-vect-transform.c (vectorizable_load): Use the type of the
3795 return value of the mask_for_load builtin to create realign_load
3798 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3800 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3803 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3805 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3806 (UNSPEC_LDDQU): This.
3807 * config/i386/sse.md (sse3_lddqu): Updated.
3809 2006-10-21 Richard Guenther <rguenther@suse.de>
3811 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3812 (expand_builtin): Use it to expand lrint instead of
3813 expand_builtin_mathfn.
3815 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3818 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3819 flag_unsafe_math_optimizations is set.
3821 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3824 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3825 patterns to use memory input operand in x87->mem->XMM
3826 reload sequences. Skip transformation for TARGET_K8.
3828 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3830 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3831 force operand1 to register if both operands are memory operands.
3832 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3833 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3834 if both operands are memory operands.
3835 (truncdfsf2): Do not force operand1 to register if both operands
3836 are memory operands.
3838 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3840 * Makefile.in (LIBS): Add $(GMPLIBS).
3841 * doc/install.texi: Update GMP and MPFR requirements.
3842 * doc/sourcebuild.texi (need_gmp): Delete.
3844 2006-10-21 Richard Guenther <rguenther@suse.de>
3846 PR tree-optimization/3511
3847 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3848 got new invariant arguments during PHI translation.
3850 2006-10-21 Richard Guenther <rguenther@suse.de>
3853 * fold-const.c (fold_comparison): Fold signed comparisons
3854 of the form X +- C1 CMP Y +- C2.
3856 2006-10-21 Richard Guenther <rguenther@suse.de>
3859 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3860 if flag_unsafe_math_optimizations is specified. We have
3861 flag_finite_math_only for that.
3862 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3863 or flag_unsafe_math_optimizations.
3865 2006-10-21 Richard Guenther <rguenther@suse.de>
3867 * builtins.c (fold_builtin_classify): Fix typo.
3869 2006-10-21 Richard Guenther <rguenther@suse.de>
3872 * simplify-rtx.c (simplify_const_relational_operation):
3873 Do not constant-fold ORDERED and UNORDERED for
3874 flag_unsafe_math_optimizations but only we do not need to
3875 honor NaNs for the given mode.
3877 2006-10-21 Richard Guenther <rguenther@suse.de>
3880 * config/i386/i386.c (classify_argument): Remove redundant
3881 walking of the BINFOs.
3882 (contains_128bit_aligned_vector_p): Likewise.
3884 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3886 * BASE-VER: Set to 4.3.0.
3888 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3890 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3891 (tree_decl_with_vis): Remove artificial_pta_var flag.
3892 * tree-flow.h (referenced_var_check_and_insert): Expose.
3893 (nonlocal_all): New prototype.
3894 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3895 (nonlocal_all): Make global.
3896 (nonlocal_lookup): Remove.
3897 (nonlocal_insert): Ditto.
3898 (create_nonlocal_var): Do not call nonlocal_insert.
3899 (get_nonlocal_id_for_type): Remove.
3900 (find_global_initializers): Mark new vars we find for renaming.
3901 (intra_create_variable_infos): Only create one nonlocal.
3902 (expand_nonlocal_solutions): Remove.
3903 (compute_points_to_sets): Don't call it.
3904 (ipa_pta_execute): Ditto.
3905 (init_alias_heapvars): Don't create nonlocal_for_type.
3906 (delete_alias_heapvars): Don't remove it.
3907 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3910 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3912 * doc/install.texi (Downloading GCC): Clarify mention of
3913 Fortran in the "full distribution" description.
3915 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3917 Fix PR tree-optimization/28778
3918 Fix PR tree-optimization/29156
3919 Fix PR tree-optimization/29415
3920 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3921 (tree_decl_with_vis): Add artificial_pta_var flag.
3922 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3923 pushed into callers.
3924 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3925 (nonlocal_all): Ditto.
3926 (struct variable_info): Add directly_dereferenced member.
3927 (var_escaped_vars): New variable.
3928 (escaped_vars_tree): Ditto.
3929 (escaped_vars_id): Ditto.
3930 (nonlocal_vars_id): Ditto.
3931 (new_var_info): Set directly_dereferenced.
3932 (graph_size): New variable
3933 (build_constraint_graph): Use graph_size.
3934 (solve_graph): Don't process constraints that cannot change the
3935 solution, don't try to propagate an empty solution to our
3937 (process_constraint): Set directly_dereferenced.
3938 (could_have_pointers): New function.
3939 (get_constraint_for_component_ref): Don't process STRING_CST.
3940 (nonlocal_lookup): New function.
3941 (nonlocal_insert): Ditto.
3942 (create_nonlocal_var): Ditto.
3943 (get_nonlocal_id_for_type): Ditto.
3944 (get_constraint_for): Allow results vector to be empty in the case
3945 of string constants.
3946 Handle results of calls properly.
3947 (update_alias_info): Update alias info stats on number and type of
3949 (find_func_aliases): Use could_have_pointers.
3950 (make_constraint_from_escaped): Renamed from
3951 make_constraint_to_anything, and changed to make constraints from
3953 (make_constraint_to_escaped): New function.
3954 (find_global_initializers): Ditto.
3955 (create_variable_info_for): Make constraint from escaped to any
3956 global variable, and from any global variable to the set of
3958 (intra_create_variable_infos): Deal with escaped instead of
3959 pointing to anything.
3960 (set_uids_in_ptset): Do type pruning on directly dereferenced
3962 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
3963 (init_base_vars): Fix comment, and initialize escaped_vars.
3964 (need_to_solve): Removed.
3965 (find_escape_constraints): New function.
3966 (expand_nonlocal_solutions): Ditto.
3967 (compute_points_to_sets): Call find_escape_constraints and
3968 expand_nonlocal_solutions.
3969 (delete_points_to_sets): Don't fall off the end of the graph.
3970 (init_alias_heapvars): Initialize nonlocal_for_type and
3972 (delete_alias_heapvars): Free nonlocal_for_type and null out
3975 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
3977 * fold-const.c (add_double): Rename to add_double_with_sign.
3978 Add 'unsigned_p' parameter and take it into account for the overflow.
3979 (mul_double): Rename to mul_double_with_sign.
3980 Add 'unsigned_p' parameter and take it into account for the overflow.
3981 (fold_div_compare): Call add_double_with_sign instead of add_double
3982 and mul_double_with_sign instead of mul_double, passing them the
3983 unsignedness of the type.
3984 * tree.h (add_double): Macroize.
3985 (add_double_with_sign): New prototype.
3986 (mul_double): Macroize.
3987 (mul_double_with_sign): New prototype.
3989 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
3991 * config/score/crti.asm: New file.
3992 * config/score/crtn.asm: New file.
3993 * config/score/elf.h: New file.
3994 * config/score/mac.md: New file.
3995 * config/score/misc.md: New file.
3996 * config/score/mul-div.S: New file.
3997 * config/score/predicates.md: New file.
3998 * config/score/score7.md: New file.
3999 * config/score/score.c: New file.
4000 * config/score/score-conv.h: New file.
4001 * config/score/score.h: New file.
4002 * config/score/score.md: New file.
4003 * config/score/score-mdaux.c: New file.
4004 * config/score/score-mdaux.h: New file.
4005 * config/score/score-modes.def: New file.
4006 * config/score/score.opt: New file.
4007 * config/score/score-protos.h: New file.
4008 * config/score/score-version.h: New file.
4009 * config/score/t-score-elf: New file.
4010 * config.gcc: Add score*-*-* configurations(Update before).
4011 * doc/invoke.texi (Score Options): New section.
4012 * doc/md.texi (Score family): New section to document constraints.
4014 2006-10-19 Nick Clifton <nickc@redhat.com>
4016 * config/arm/arm.c: Fix spelling typo.
4018 2006-10-18 Tom Tromey <tromey@redhat.com>
4020 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4022 2006-10-18 Jan Hubicka <jh@suse.cz>
4025 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4028 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4030 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4031 TSI_SAME_STMT, since that's the desired entity.
4033 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4035 * config/s390/contraints.md: New file.
4036 * config/s390/s390-protos.h (s390_mem_constraint,
4037 s390_O_constraint_str, s390_N_constraint_str,
4038 s390_float_const_zero_p): Function prototypes added.
4039 * config/s390/s390.c (s390_extra_constraint_str,
4040 s390_const_double_ok_for_constraint_p,
4041 s390_const_ok_for_constraint_p): Functions removed.
4042 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4043 s390_float_const_zero_p): New functions.
4044 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4045 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4046 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4047 Macro definitions removed.
4048 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4049 s390_extra_constraint_str): Functions removed.
4051 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4052 Richard Sandiford <richard@codesourcery.com>
4055 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4056 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4058 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4060 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4061 (DWARF2_FRAME_REG_OUT): Likewise.
4062 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4063 (DWARF2_FRAME_REG_OUT): Likewise.
4065 2006-10-17 Paul Brook <paul@codesourcery.com>
4067 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4069 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4071 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4072 Standardize on "GNU Fortran" as the official name of the Fortran
4075 2006-10-16 Mike Stump <mrs@apple.com>
4077 * doc/invoke.texi (Darwin Options): Document -mkernel.
4078 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4080 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4081 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4082 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4083 (OS_MISSING_ALTIVEC): Add.
4084 * config/i386/i386.c (override_options): Add
4085 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4086 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4087 -mkernel, -static or -mdynamic-no-pic is given.
4088 (C_COMMON_OVERRIDE_OPTIONS): Add.
4089 * config/darwin.opt (fapple-kext): Add.
4091 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4092 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4094 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4095 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4096 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4097 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4098 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4099 (flag_mkernel): Add.
4100 (flag_apple_kext): Add.
4101 (TARGET_KEXTABI): Add.
4102 * config/darwin.c (darwin_handle_kext_attribute): Add.
4103 (DARWIN_VTABLE_P): Add.
4104 (darwin_binds_local_p): Add partial support for rebinding vtables
4106 (darwin_kextabi_p): Add.
4107 (darwin_override_options): Add.
4108 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4109 (darwin_kextabi_p): Add.
4110 (darwin_override_options): Add.
4111 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4112 __DYNAMIC__ and __STATIC__ here.
4114 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4116 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4117 Added mention of "make pdf" target, and Texinfo requirements for
4120 2006-10-16 DJ Delorie <dj@redhat.com>
4122 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4123 into the GOT in case we need a subreg of the address.
4125 2006-10-16 Richard Guenther <rguenther@suse.de>
4128 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4129 SSE builtin documentation. Document SSE2 builtins.
4131 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4133 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4134 symbol in the output file for non-shared links when -nostdlib or
4135 -nodefaultlibs isn't specified.
4137 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4138 posix thread support.
4140 2006-10-15 Jan Hubicka <jh@suse.cz>
4143 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4144 declared always_inline even when not inlining.
4146 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4147 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4148 Andrew Pinski <pinskia@gmail.com>
4151 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4153 2006-10-15 Jan Hubicka <jh@suse.cz>
4154 Richard Guenther <rguenther@suse.de>
4157 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4158 process_function_and_variable_attributes on all variables, including
4159 those discovered during cgraph construction phase.
4161 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4163 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4165 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4167 * config/i386/athlon.md (athlon_fist): Add fisttp.
4169 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4170 Ian Lance Taylor <ian@airs.com>
4173 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4174 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4177 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4179 * config/score/score.c, config/score/score.h: Fix comment
4182 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4185 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4188 2006-10-13 Eric Christopher <echristo@apple.com>
4190 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4192 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4195 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4196 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4197 alignment supported by 32-bit ELF.
4199 2006-10-13 Eric Christopher <echristo@apple.com>
4201 * config/darwin.c (darwin_emit_unwind_label): Strip
4202 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4204 2006-10-13 Richard Guenther <rguenther@suse.de>
4206 PR tree-optimization/29446
4207 * tree-vrp.c (fix_equivalence_set): Remove.
4208 (extract_range_from_assert): Do not call fix_equivalence_set.
4209 (debug_value_range): Print a newline.
4210 (compare_name_with_value): For equivalence sets with
4211 inconsistent value ranges conservatively bail out.
4212 (compare_names): Likewise.
4214 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4216 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4217 and MPFR for gfortran.
4219 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4221 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4222 alignment supported by 32-bit ELF.
4224 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4228 * c-typeck.c (digest_init): Always allow initializing vectors
4229 that have static storage duration with compound literals.
4230 * tree.c (build_type_attribute_qual_variant): New, based on
4231 build_type_attribute_variant.
4232 (build_type_attribute_variant): Rewrite using the former.
4233 (make_vector_type): Use build_type_attribute_qual_variant to build
4234 type variants. Use type_hash_canon on the others.
4236 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4237 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4239 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4241 2006-10-12 Jan Hubicka <jh@suse.cz>
4244 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4245 current_function_decl is set but current_function_scope is not.
4247 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4249 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4250 emit_insn to emit eh_return_internal instruction.
4251 (eh_return_internal): Explicitly set pc.
4253 2006-10-11 Richard Guenther <rguenther@suse.de>
4255 PR tree-optimization/28230
4256 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4257 to the correct place.
4259 2006-10-11 Richard Guenther <rguenther@suse.de>
4262 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4265 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4267 * configure.ac: Added pdf to "Make-hooks"
4268 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4269 targets and *.pdf file patterns in cleanup targets.
4270 * configure: Regenerated.
4272 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4274 * config/avr/predicates.md: New file.
4275 * config/avr/avr.md: Include it.
4276 (REG_SP): New constant.
4277 (peepholes): Use predicates.
4278 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4279 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4280 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4282 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4284 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4287 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4290 * builtins.c (var_decl_component_p): New function.
4291 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4292 single entry optimization to variables and components thereof.
4294 2006-10-10 Richard Guenther <rguenther@suse.de>
4296 PR rtl-optimization/29323
4297 * except.c (set_nothrow_function_flags): For functions
4298 that do not bind local bail out early.
4300 2006-10-10 Ben Elliston <bje@au.ibm.com>
4302 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4305 2006-10-09 Richard Henderson <rth@redhat.com>
4307 Revert emutls patch.
4309 2006-10-09 Richard Guenther <rguenther@suse.de>
4312 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4315 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4318 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4319 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4320 * configure: Regenerate.
4321 * config.in: Regenerate.
4323 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4325 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4327 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4329 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4330 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4331 Remove stray newline.
4333 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4335 * config/mips/mips.c (mips_classify_symbol): Do not return
4336 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4337 (mips_in_small_data_p): Tweak comments.
4339 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4341 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4343 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4345 * gimplify.c, sched-int.h: Fix comment typos.
4347 * sched-int.h: Fix comment typos.
4349 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4351 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4353 * sched-ebb.c (begin_schedule_ready): Use them.
4354 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4355 add_to_speculative_block, create_check_block_twin, speculate_insn,
4356 fix_jump_move, move_block_after_check): Ditto.
4357 * sched-rgn.c (new_ready): Ditto.
4359 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4361 PR rtl-optimization/29128
4362 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4363 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4364 allow interblock movement of speculation checks.
4366 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4369 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4370 casted to integer type.
4371 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4372 if they are significantly more expensive than [reg + index] ones.
4374 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4376 PR tree-optimization/29330
4377 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4378 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4379 on newly allocated ddrs.
4380 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4381 to VEC (loop_p, heap) pointer.
4382 (compute_data_dependences_for_loop): Adjust caller.
4383 (free_dependence_relations): Free DDR_LOOP_NEST.
4385 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4386 free DEPENDENCE_RELATIONS and DATAREFS.
4389 * builtins.c (expand_builtin_sync_operation,
4390 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4391 Use convert_to_mode to handle promoted arguments.
4393 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4395 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4397 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4399 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4401 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4403 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4404 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4405 Use <modeconstraint> instead of "r" as operand 1 constraint.
4407 2006-10-06 Olivier Hainque <hainque@adacore.com>
4409 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4410 Don't recurse on the pointed-to type.
4411 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4412 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4413 types with components of variable size.
4415 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4417 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4419 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4421 PR tree-optimization/29290
4422 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4426 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4427 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4430 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4431 the number of vector elements fill the rest with zeros.
4433 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4435 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4436 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4439 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4441 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4442 unnamed pattern into subsi3. Use correct constraints/predicates.
4443 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4444 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4446 2006-10-05 Ira Rosen <irar@il.ibm.com>
4448 * doc/loop.texi: Add data references analysis description.
4450 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4452 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4454 2006-10-04 Richard Henderson <rth@redhat.com>
4455 Jakub Jelinek <jakub@redhat.com>
4457 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4458 * builtin-types.def (BT_WORD): Make unsigned.
4459 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4460 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4461 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4462 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4463 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4464 * cgraph.c (decide_is_variable_needed): Look at force_output.
4465 Recurse for emulated tls.
4466 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4467 checks redundant with decide_is_variable_needed.
4468 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4469 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4471 * expr.c (emutls_var_address): New.
4472 (expand_expr_real_1): Expand emulated tls.
4473 (expand_expr_addr_expr_1): Likewise.
4474 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4475 * output.h (emutls_finish): Declare.
4476 * toplev.c (compile_file): Call it.
4477 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4478 address before wrapping in CONST.
4479 * varasm.c (emutls_htab, emutls_object_type): New.
4480 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4481 (get_emutls_object_name, get_emutls_object_type): New.
4482 (get_emutls_init_templ_addr, emutls_decl): New.
4483 (emutls_common_1, emutls_finish): New.
4484 (assemble_variable): When emulating tls, swap decls; generate
4485 constructor for the emutls objects.
4486 (do_assemble_alias): When emulating tls, swap decl and target name.
4487 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4489 * emutls.c: New file.
4490 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4491 tls_object for real tls.
4493 2006-10-04 Zack Weinberg <zackw@panix.com>
4495 Fix bug in constraint-check generator, reported by Rask Ingemann
4497 * genpreds.c (add_constraint): Don't remove anything from the
4499 (write_tm_constrs_h): Detect whether "op" argument is used, and
4500 mark it ARG_UNUSED if it isn't.
4501 (write_insn_const_int_ok_for_constraint): Skip the part of the
4502 expression that would test whether "op" (which is not available
4503 here) is a CONST_INT.
4505 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4508 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4510 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4512 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4513 current Leopard versions.
4514 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4516 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4518 * doc/install.texi: Fix typos.
4520 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4522 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4523 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4524 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4526 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4528 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4529 arg to be struct mach_header_64* instead.
4531 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4534 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4535 side effects after the outer expression's post side effects.
4537 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4539 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4540 comments to reflect actual behavior and relationship between
4541 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4543 * doc/c-tree.texi (Working with declarations): Fix documentation
4544 of FIELD_DECL likewise.
4546 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4549 * doc/extend.texi: Add used variable attribute description.
4551 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4554 * c.opt (Woverride-init): New.
4555 * c-opts.c (c_common_post_options): Default warn_override_init to
4557 * c-typeck.c (add_pending_init, output_init_element): Warn for
4558 overriding initializers without side effects.
4559 * doc/invoke.texi (-Woverride-init): Document.
4562 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4564 PR rtl-optimization/28096
4565 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4566 assignment has already been used as a destination earlier in the block.
4568 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4570 * builtins.c (expand_builtin_setjmp): Delete.
4571 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4572 <BUILT_IN_SETJMP_SETUP>: New case.
4573 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4574 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4575 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4576 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4577 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4578 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4579 (lower_function_body): Initialize it to false. If it is set to true
4580 at the end of the processing, emit the setjmp dispatcher.
4581 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4582 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4583 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4584 on the rhs of the assignment.
4585 (lower_builtin_setjmp): New function.
4586 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4587 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4588 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4589 to detect calls that can go to non-local labels. Use specific
4590 helper to create the abnormal edges associated with them.
4591 <MODIFY_EXPR>: Likewise.
4592 (make_abnormal_goto_edges): New function extracted from...
4593 (make_goto_expr_edges): ...here. Call it for computed gotos.
4594 (simple_goto_p): Minor tweak.
4595 (tree_can_make_abnormal_goto): New predicate.
4596 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4597 (tree_purge_dead_abnormal_call_edges): New function.
4598 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4599 (tree_purge_dead_abnormal_call_edges): Likewise.
4600 (make_abnormal_goto_edges): Likewise.
4601 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4602 Purge all dead abnormal edges if the call was in the last statement.
4603 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4604 (execute_fixup_cfg): If there are non-local labels in the function,
4605 scan the basic blocks and split them at calls that can go to non-local
4606 labels or add missing abnormal call edges. Write down the CFG in the
4608 (pass_fixup_cfg): Remove TODO_dump_func flag.
4609 * unwind-sjlj.c: Poison setjmp.
4610 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4611 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4612 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4613 (DONT_USE_BUILTIN_SETJMP): Document it.
4615 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4618 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4619 to 1 when __ppc64__ is defined.
4620 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4622 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4624 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4626 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4627 * config/ia64/unwind-hpux.c: Delete.
4629 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4631 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4632 on the element before gimplifying it, instead of punting if it is of
4635 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4637 * doc/loop.texi: New file.
4638 * doc/gccint.texi: Reference loop.texi.
4639 * Makefile.in (loop.texi): Add.
4641 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4643 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4645 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4646 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4648 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4650 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4652 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4654 * doc/install.texi: Document required versions of GMP and MPFR.
4656 2006-09-27 Paul Brook <paul@codesourcery.com>
4659 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4661 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4663 * reload1.c (alter_reg): Require the alignment of the stack slot to
4664 be at least reg_max_ref_width bytes.
4665 (scan_paradoxical_subregs): Record the largest width in
4668 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4672 * tree-nested.c (struct nesting_info): Added static_chain_added.
4673 (convert_call_expr): Set static_chain_added when adding static
4674 chain. Handle OMP_PARALLEL and OMP_SECTION.
4676 2006-09-25 Matthias Klose <doko@debian.org>
4678 * doc/invoke.texi: Add missing full stop.
4680 2006-09-25 Richard Henderson <rth@redhat.com>
4682 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4683 before cgraph_function_flags_ready.
4685 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4686 Adam Nemet <anemet@caviumnetworks.com>
4688 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4689 determine_common_wider_type): New functions.
4690 (get_computation_aff): Use them to simplify arithmetic between
4691 UBASE and CBASE if they are shortened from the same type.
4693 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4696 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4697 -2147483647 - 1 instead of 0x80000000.
4699 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4701 * flags.h (HONOR_NANS): Fix typo in comment.
4703 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4705 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4707 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4711 * tree.c (merge_attributes, attribute_list_contained): If both
4712 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4714 * c-typeck.c (comptypes_internal): Don't consider aggregates
4715 in different TUs as compatible if there one set of attributes is
4716 not a subset of the other type's attributes.
4717 (composite_type): Try harder not to create a new aggregate type.
4719 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4721 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4722 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4723 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4724 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4725 than replicating condition above.
4726 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4728 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4729 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4730 the linker by default.
4732 2006-09-22 Mike Stump <mrs@apple.com>
4734 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4737 2006-09-22 Richard Guenther <rguenther@suse.de>
4740 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4741 sort of stack variables stable.
4743 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4746 * explow.c (force_reg): Set REG_POINTER flag according to
4749 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4751 PR tree-optimization/28888
4752 * tree-if-conv.c (combine_blocks): Rewritten.
4753 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4754 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4756 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4758 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4761 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4763 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4765 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4767 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4769 2006-09-21 Roger Sayle <roger@eyesopen.com>
4772 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4773 dw_fde_current_label, to be the start of the function, i.e. the same
4774 value as dw_fde_begin.
4776 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4778 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4779 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4780 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4781 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4782 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4783 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4784 (abs<mode>2, neg<mode>2): Likewise.
4785 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4786 (*mips_abs_ps): New define_insn.
4788 2006-09-20 Josh Conner <jconner@apple.com>
4791 * calls.c (expand_call): Allow reuse of structure return stack
4794 2006-09-20 Paul Brook <paul@codesourcery.com>
4796 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4799 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4801 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4802 clean up terminology.
4804 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4807 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4808 with tablejumps in them.
4810 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4813 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4814 wrap it into TARGET_EXPR.
4816 2006-09-20 Eric Christopher <echristo@apple.com>
4818 * config/i386/i386.c (x86_fisttp): Remove.
4819 * config/i386/i386.h (x86_fisttp): Ditto.
4820 (TARGET_FISTTP): Ditto.
4822 2006-09-19 Eric Christopher <echristo@apple.com>
4824 * doc/tm.texi (OBJC_JBLEN): Describe.
4825 * config/i386/darwin.h (OBJC_JBLEN): Define.
4826 * config/rs6000/darwin.h: Ditto.
4828 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4830 PR rtl-optimization/21299
4831 * reload1.c (reload): Purge invalid ASMs in the final pass.
4833 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4836 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4837 pointers as legitimate constants.
4839 2006-09-19 Paul Brook <paul@codesourcery.com>
4842 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4844 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4846 PR tree-optimization/28887
4847 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4848 component parts from the reference.
4849 (gather_memory_references_ref): Record the reference without the
4850 nonaddressable component parts.
4852 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4855 * c-opts.c (c_common_handle_option): Ignore the -std options
4856 if the input language is assembly.
4858 2006-09-17 Ira Rosen <irar@il.ibm.com>
4861 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4863 (ptr_ptr_may_alias_p): Likewise.
4864 (record_record_differ_p): New function.
4865 (base_object_differ_p): Call record_record_differ_p.
4867 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4870 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4871 away for the expr argument.
4873 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4876 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4877 before using it for dumping after vectorizing loops.
4879 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4880 Jack Howarth <howarth@bromo.med.uc.edu>
4883 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4884 skip on error_mark_node.
4885 (rs6000_darwin64_record_arg_recurse): Likewise.
4887 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4889 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4890 * doc/rtl.texi: Remove related documentation.
4892 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4894 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4897 2006-09-15 Jim Wilson <wilson@specifix.com>
4899 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4900 Handle symbol offsets same as they are handled in ia64_expand_move
4903 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4905 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4906 Add forgotten parameter to the fprintf call.
4908 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4910 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4912 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4914 * doc/contrib.texi: Add my entry.
4916 2006-09-15 Nick Clifton <nickc@redhat.com>
4918 * doc/md.texi (Processor pipeline description): Fix typo in
4919 example of how to use the absence_set directive and reword the
4920 description to make it slightly easier to read.
4922 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4924 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4925 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4926 expanding the number of iterations.
4927 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4929 * cfgrtl.c (emit_insn_at_entry): New function.
4930 * rtl.h (emit_insn_at_entry): Declare it.
4931 * integrate.c (emit_initial_value_sets): Use it.
4933 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4935 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4937 (struct loop_work and related VEC declarations): Delete.
4938 (bfin_dump_loops): Print out new member bad.
4939 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4940 (bfin_scan_loop): Don't recurse.
4941 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4942 loops. No longer need to update outer loops if the current one is
4943 found bad. Move some validitiy checks to bfin_discover_loop.
4944 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4945 but changed not to check for nesting. Also changed to use the new bad
4947 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
4948 time. Use bitmap based test to discover loop nesting.
4950 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
4952 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
4955 2006-09-14 Richard Guenther <rguenther@suse.de>
4956 Kazu Hirata <kazu@codesourcery.com>
4958 PR middle-end/28884.
4959 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
4960 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
4961 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
4962 with TARGET_FUNCTION_VALUE.
4964 2006-09-14 Anatoly Sokolov <aesok@post.ru>
4967 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
4969 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
4971 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
4974 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
4977 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
4980 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4982 * basic_block.h (bb_has_eh_pred): Fix comment.
4984 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
4986 * flow.c (calculate_global_regs_live): Invalidate eh registers
4987 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
4988 (propagate_block): Handle eh registers as if they were set at basic
4990 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
4992 * global.c (global_conflicts): Make eh registers to conflict with
4993 pseudos live at basic block begin.
4994 * basic_block.h (bb_has_eh_pred): New function.
4996 2006-09-13 Richard Sandiford <richard@codesourcery.com>
4998 PR rtl-optimization/28982
4999 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5000 index of a PRE_MODIFY or POST_MODIFY address.
5001 * reload1.c (inc_for_reload): Use find_replacement on the original
5002 base and index registers.
5004 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5006 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5007 for -Os. Update __m128 alignment requirement.
5009 2006-09-13 Jan Hubicka <jh@suse.cz>
5011 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5013 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5015 PR rtl-optimization/28243
5016 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5017 the insn to which the note was originally attached.
5019 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5020 Roger Sayle <roger@eyesopen.com>
5022 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5023 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5024 on platforms that don't use dwarf for debug info.
5026 2006-09-12 Jason Merrill <jason@redhat.com>
5029 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5030 hard_frame_pointer_rtx after using it to update the frame pointer.
5032 2006-09-12 Roger Sayle <roger@eyesopen.com>
5034 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5035 (TARGET_ASM_CLOSE_PAREN): Likewise.
5036 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5037 (TARGET_ASM_CLOSE_PAREN): Likewise.
5039 2006-09-12 Roger Sayle <roger@eyesopen.com>
5042 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5043 frame information for frames larger than 512 Kbytes on Tru64 when
5044 using the native assembler.
5046 2006-09-12 Roger Sayle <roger@eyesopen.com>
5050 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5051 and symbols. Instead use the implementation from cse.c's hash_rtx.
5053 2006-09-12 Jan Hubicka <jh@suse.cz>
5055 PR rtl-optimization/28071
5056 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5057 (vect_transform_loop): Likewise.
5058 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5059 (new_loop_vec_info): Likewise.
5060 (destroy_loop_vec_info): Likewise.
5061 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5062 (create_stmt_ann): Likewise.
5063 (create_tree_ann): Rename to ...
5064 (create_tree_common_ann): ... this one; allocate only the common part
5066 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5067 (get_value_handle): Likewise.
5068 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5069 get_tree_common_ann.
5070 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5071 (vinfo_for_stmt): Use stmt annotations.
5072 * tree-flow.h (tree_ann_common_t): New type.
5073 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5074 (tree_ann, get_tree_ann, create_tree_ann): New.
5075 * tree-flow-inline.h (get_function_ann): Do more type checking.
5076 (stmt_ann): Likewise.
5077 (tree_ann): Rename to ...
5078 (tree_common_ann): ... this one; return ony common_ann
5079 (get_tree_ann): Rename to ...
5080 (tree_common_ann): This one; return only common_ann.
5081 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5084 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5086 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5087 with_cpu by default.
5089 * dwarf2out.c (dwarf_file_data): New.
5090 (enum dw_val_class): Add dw_val_class_file.
5091 (struct dw_val_struct): Add val_file.
5092 (file_table): Change to a hash table.
5093 (file_table_emitted): Delete.
5094 (file_table_last_lookup_index): Delete.
5095 (emitcount): Delete.
5096 (last_emitted_file): New.
5097 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5098 (init_file_table): Delete.
5099 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5100 (AT_addr): Add comment.
5104 (print_die): Handle dw_val_class_file.
5105 (print_dwarf_line_table): Update for new file table structure.
5106 (attr_checksum): Do checksum a filename.
5107 (same_dw_val_p, same_attr_p): Do compare a filename.
5108 (size_of_die): Handle dw_val_class_file.
5109 (value_format): Likewise.
5110 (output_die): Likewise. Also, call maybe_emit_file here.
5111 (struct file_info): Constify filenames. Make file_idx a pointer
5112 to a struct dwarf_file_data.
5113 (struct dir_info): Constify directory names. Remove 'used' field.
5114 (struct file_name_acquire_data): New.
5115 (file_name_acquire): New.
5116 (output_file_names): Modify to handle new file data structures.
5117 (add_src_coords_attributes): Use add_AT_file.
5118 (add_call_src_coords_attributes): Likewise.
5119 (dwarf2out_imported_module_or_decl): Likewise.
5120 (gen_subprogram_die): Modify for new file data structures.
5121 (gen_variable_die): Likewise.
5122 (file_table_eq): New.
5123 (file_table_hash): New.
5124 (file_table_last_lookup): New.
5125 (lookup_filename): Rewrite to handle new file data structures.
5126 (maybe_emit_file): Rewrite to handle new file data structures.
5127 (dwarf2out_source_line): Always call lookup_filename and
5129 (dwarf2out_init): Create file_table here.
5130 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5131 (file_table_relative_p): New.
5132 (dwarf2out_finish): Change detection of relative filenames
5133 to work with new file data structures. Move output_line_info call
5134 after debug_info output.
5136 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5141 * config/i386/i386.c (override_options): Always default to 16
5142 byte stack boundary.
5144 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5147 * var-tracking.c (dump_dataflow_set): Start dumping at
5149 (clobber_variable_part): Kill only the variable part in
5150 registers holding it, leaving other variables alone.
5152 2006-09-11 Josh Triplett <josh@freedesktop.org>
5154 * doc/extend.texi (Other Builtins): Actually use the macro
5155 argument in the documentation example for
5156 __builtin_types_compatible_p.
5158 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5160 PR rtl-optimization/28726
5161 * sched-deps.c (sched_analyze_reg): New function extracted from...
5162 (sched_analyze_1): ...here. Call it to analyze references to
5163 registers. Treat again writes to a stack register as writing to the
5165 (sched_analyze_2): ...and here. Call it to analyze references to
5166 registers. Treat again reads of a stack register as reading the
5169 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5170 David Edelsohn <edelsohn@gnu.org>
5173 * config/rs6000/spe.md (frob_df_di): Remove %H.
5174 (frob_di_df): Remove %H. Change evmergelo to mr.
5175 (frob_di_df_2): Remove %H. Change evldd to two loads.
5177 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5179 * doc/cpp.texi: Fix names of charset options.
5181 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5184 * config/i386/i386.c (override_options): Use 128-bit
5185 stack boundary always for 64bits.
5187 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5189 PR rtl-optimization/28636
5190 * combine.c (force_to_mode): Test for side-effects before
5191 substituting by zero.
5192 (simplify_shift_const): Likewise for zero or other constants.
5194 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5197 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5200 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5203 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5204 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5205 returned by mode_for_size, rather than the mode of src itself,
5206 to choose between 32-bit and 64-bit patterns.
5207 (mips_mem_fits_mode_p): New function.
5208 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5209 that the size of the source matches the size of the destination.
5210 (mov_<store>l, mov_<store>r): Likewise.
5212 2006-09-10 Eric Christopher <echristo@apple.com>
5214 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5217 2006-09-09 Eric Christopher <echristo@apple.com>
5220 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5223 2006-09-09 Roger Sayle <roger@eyesopen.com>
5224 Nicolas Setton <setton@adacore.com>
5226 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5228 2006-09-10 Andreas Schwab <schwab@suse.de>
5230 * config/m68k/m68k.md (bungt_rev): New pattern.
5232 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5233 Dale Johannesen <dalej@apple.com>
5236 * regclass.c (struct reg_pref): Update documentation.
5237 (regclass): Set prefclass to NO_REGS if memory is the best option.
5238 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5240 2006-09-08 Eric Christopher <echristo@apple.com>
5242 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5243 * config/t-slibgcc-darwin: Support x86_64 multilib.
5244 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5245 Return 1 for x86_64-darwin.
5246 * config/i386/t-darwin: Add m64 multilib.
5247 (LIB2_SIDITI_CONV_FUNCS): Use.
5248 (LIB2FUNCS_EXTRA): Ditto.
5249 * config/i386/darwin.h: Support x86_64.
5250 * config/i386/i386.c (override_options): Turn on flag_pic
5251 for x86_64-darwin. Disable flag_omit_pointer.
5252 (get_pc_thunk_name): Assert !TARGET_64BIT.
5253 (legitimate_address_p): Disable machopic addressing for
5255 (legitimize_pic_address): Ditto.
5256 (ix86_expand_move): Ditto.
5257 (ix86_expand_call): Ditto.
5258 (machopic_output_stub): Ditto.
5259 * config/darwin.c (machopic_select_section): Support literal16.
5260 (machopic_select_rtx_section): Ditto.
5261 * config/darwin-sections.def: Ditto.
5262 * config/darwin-64.c: New.
5264 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5267 * c-tree.h (struct c_arg_info): Add pending_sizes.
5268 * c-parser.c (c_parser_parms_declarator,
5269 c_parser_parms_list_declarator): Initialize pending_sizes.
5270 * c-decl.c (get_parm_info): Initialize pending_sizes.
5271 (get_parm_info): Set pending_sizes.
5272 (grokdeclarator): Call put_pending_sizes for parameters for
5273 function definition only.
5275 2006-09-07 Jason Merrill <jason@redhat.com>
5278 * varasm.c (output_constant): Only strip actual no-op conversions.
5281 * config/i386/i386.c (override_options): Use 128-bit
5282 stack boundary if -msse.
5284 2006-09-07 Eric Christopher <echristo@apple.com>
5286 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5288 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5291 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5293 * dwarf2out.c: Remove strange characters from comment above
5294 dwarf2out_frame_debug_expr.
5296 2006-09-07 Eric Christopher <echristo@apple.com>
5298 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5299 * config/darwin.h: ... to here.
5301 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5303 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5305 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5306 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5308 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5309 TARGET_PARTIAL_FLAG_REG_STALL.
5310 (*ashldi3_cconly_rex64): Likewise.
5311 (*ashlsi3_cmp): Likewise.
5312 (*ashlsi3_cconly): Likewise.
5313 (*ashlsi3_cmp_zext): Likewise.
5314 (*ashlhi3_cmp): Likewise.
5315 (*ashlhi3_cconly): Likewise.
5316 (*ashlqi3_cmp): Likewise.
5317 (*ashlqi3_cconly): Likewise.
5318 (*ashrdi3_cmp_rex64): Likewise.
5319 (*ashrdi3_cconly_rex64): Likewise.
5320 (*ashrsi3_cmp): Likewise.
5321 (*ashrsi3_cconly): Likewise.
5322 (*ashrsi3_cmp_zext): Likewise.
5323 (*ashrhi3_cmp): Likewise.
5324 (*ashrhi3_cconly): Likewise.
5325 (*ashrqi3_cmp): Likewise.
5326 (*ashrqi3_cconly): Likewise.
5327 (*lshrdi3_cmp_rex64): Likewise.
5328 (*lshrdi3_cconly_rex64): Likewise.
5329 (*lshrsi3_cmp): Likewise.
5330 (*lshrsi3_cconly): Likewise.
5331 (*lshrsi3_cmp_zext): Likewise.
5332 (*lshrhi3_cmp): Likewise.
5333 (*lshrhi3_cconly): Likewise.
5334 (*lshrqi2_cmp): Likewise.
5335 (*lshrqi2_cconly): Likewise.
5337 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5340 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5341 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5342 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5343 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5344 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5345 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5346 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5347 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5348 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5349 implement only CC setting effects of shift instructions.
5351 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5353 * doc/contrib.texi: Add myself.
5355 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5358 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5359 was set by the user.
5361 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5364 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5365 (divsi_inv_m1): Use them.
5366 (UNSPEC_DIV_INV_TABLE): New constant.
5368 2006-09-06 James E Wilson <wilson@specifix.com>
5371 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5372 then call count_or_remove_death_notes.
5374 2006-09-06 Jason Merrill <jason@redhat.com>
5377 * tree-inline.c (copy_result_decl_to_var): New fn.
5378 (declare_return_variable): Use it. Call declare_inline_vars here.
5379 (expand_call_inline): Not here.
5381 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5383 * doc/contrib.texi: Update my entry.
5385 2006-09-06 Nick Clifton <nickc@redhat.com>
5387 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5389 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5392 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5393 (canonicalize_induction_variables): Likewise.
5394 (tree_unroll_loops_completely): Likewise.
5395 (tree_ssa_prefetch_arrays): Likewise.
5396 (remove_empty_loops): Likewise.
5397 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5398 TODO_cleanup_cfg instead of directly calling
5399 cleanup_tree_cfg_loop.
5400 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5402 (tree_unroll_loops_completely): Likewise.
5403 (remove_empty_loops): Likewise.
5404 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5405 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5406 of tree_ssa_unswitch_loops.
5407 (tree_ssa_loop_ivcanon): Use the return value of
5408 canonicalize_induction_variables.
5409 (tree_ssa_empty_loop): Use the return value of
5411 (tree_complete_unroll): Use the return value of
5412 tree_unroll_loops_completely.
5413 (tree_ssa_loop_prefetch): Use the return value of
5414 tree_ssa_prefetch_arrays.
5415 * passes.c (execute_todo): Before Cleanup CFG, set
5416 updating_used_alone and after cleanup CFG, call
5417 recalculate_used_alone.
5419 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5422 * tree-vect-transform.c (vectorizable_condition): Move the check
5423 for the type after the check for simple condition.
5425 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5426 Kaz Kojima <kkojima@gcc.gnu.org>
5429 * mode-switching.c (optimize_mode_switching): Make the destination
5430 block of an abnormal edge have no anticipatable mode. Don't
5431 insert mode switching code at the end of the source block of
5434 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5436 PR rtl-optimization/26847
5437 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5438 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5439 (simplify_plus_minus): Count n_constants while filling ops. Replace
5440 qsort with insertion sort. Before going through the array to simplify
5441 pairs, sort it. Delay early exit until after the first sort, exiting
5442 only if no swaps occurred. Simplify pairs in reversed order, without
5443 special-casing the first iteration. Pack ops after simplifying pairs.
5445 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5447 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5448 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5449 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5450 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5452 2006-09-05 Richard Guenther <rguenther@suse.de>
5454 PR tree-optimization/28900
5455 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5456 compound conditional before creating COND_EXPR condition.
5458 2006-09-05 Richard Guenther <rguenther@suse.de>
5460 PR tree-optimization/28905
5461 * tree-vrp.c (fix_equivalence_set): Manually implement
5462 !value_ranges_intersect_p to also handle symbolic ranges.
5464 2006-09-05 Richard Guenther <rguenther@suse.de>
5467 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5470 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5472 PR rtl-optimization/27616
5473 * cse.c (table_size): New static variable.
5474 (new_basic_block): Initialize it to 0.
5475 (remove_from_table): Decrement it.
5476 (insert): Increment it.
5477 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5478 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5479 fold_rtx_mem_1 if under the cap.
5480 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5481 the lookup of the equivalent expression and test for equality of the
5482 first operand of the equivalent expression before in turn looking up
5483 an equivalent constant for the second operand.
5485 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5488 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5489 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5490 pointer, instead of assuming it is possible to derive the
5491 correct args size from a call insn.
5493 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5496 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5497 (fold_builtin_mempcpy): Rename to...
5498 (fold_builtin_memory_op): ... this. Optimize one element copy
5500 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5502 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5503 (expand_builtin_memcpy, expand_builtin_mempcpy,
5504 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5505 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5506 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5507 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5509 2006-09-01 DJ Delorie <dj@redhat.com>
5511 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5512 (stzx_16): Likewise.
5513 ("stzx_24_<mode>"): Likewise.
5514 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5515 ("cmp<mode>_op"): New.
5516 (cmp<mode>): Change to expander; just save operands.
5518 (b<code>): Change to expander, emit compare here.
5519 (s<code>_op): Change to use split and expander.
5520 (s<code>_24_op): Likewise.
5521 (s<code>_<mode>): New.
5522 (s<code>_<mode>_24): New.
5523 (movqicc_<code>_<mode): New.
5524 (movhicc_<code>_<mode>): New.
5527 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5528 (m32c_pend_compare): New.
5529 (m32c_unpend_compare): New.
5530 (m32c_expand_scc): New.
5531 (m32c_expand_movcc): Emit the compare also.
5532 * config/m32c/predicates.md (mra_nopp_operand): New.
5534 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5535 Richard Guenther <rguenther@suse.de>
5536 Adam Nemet <anemet@caviumnetworks.com>
5539 * builtins.c (get_pointer_alignment): Handle more forms
5540 of base addresses that can be used to derive more precise
5541 information about alignment.
5543 2006-09-01 Jason Merrill <jason@redhat.com>
5546 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5549 * gimplify.c (voidify_wrapper_expr): Handle null type.
5551 2006-09-01 Josh Conner <jconner@apple.com>
5554 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5555 (execute_return_slot_opt): Use it.
5557 2006-08-31 Josh Conner <jconner@apple.com>
5560 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5561 returning aggregates.
5563 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5565 PR tree-optimization/28839
5566 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5567 blocks in that phi arguments appear.
5569 2006-08-31 Roger Sayle <roger@eyesopen.com>
5572 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5573 NULL, otherwise use an advance_loc4 to adjust relative to the
5575 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5576 (dwarf2out_switch_text_section): Reset the current label to avoid
5577 using advance_loc4 over section boundaries.
5579 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5582 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5583 r12 + SYMBOLIC_CONST.
5585 2006-08-30 Richard Guenther <rguenther@suse.de>
5587 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5589 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5591 PR rtl-optimization/27735
5592 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5593 Add new argument to keep track of whether an irreducible region
5594 was affected. All callers changed.
5595 (fix_irreducible_loops): Removed.
5596 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5597 flags were invalidated.
5599 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5601 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5602 instead of SF operands.
5603 (*fop_df_comm_sse): Likewise.
5604 (*fop_df_comm_i387): Likewise.
5605 (*fop_df_1_mixed): Likewise.
5606 (*fop_df_1_sse): Likewise.
5608 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5609 J"orn Rennecke <joern.rennecke@st.com>
5611 PR tree-optimization/17506
5612 * tree-ssa.c (warn_uninit): If warning about a location outside of
5613 the current function, note where the variable was declared.
5615 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5617 PR tree-optimization/28411
5618 * double-int.c (double_int_div): Use double_int_divmod.
5619 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5620 double_int_mod, double_int_smod, double_int_umod): New functions.
5621 * double-int.h (double_int_divmod, double_int_sdivmod,
5622 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5624 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5626 (get_computation_aff, get_computation_cost_at): Handle double_int
5627 return type of constant_multiple_of.
5629 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5632 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5633 an implicit conversion.
5635 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5637 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5639 2006-08-27 Roger Sayle <roger@eyesopen.com>
5641 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5644 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5646 * config/i386/crtfastmath.c: Fix a comment typo.
5648 2006-08-26 Roger Sayle <roger@eyesopen.com>
5650 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5651 temporary visit flags on CASE_LABEL_EXPRs.
5652 * c-common.c (match_case_to_enum): Add function comment. Avoid
5653 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5654 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5655 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5656 a constant, only warn if that constant value isn't handled.
5658 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5661 * input.h (restore_input_file_stack): Declare.
5662 (INPUT_FILE_STACK_BITS): Define.
5663 * toplev.c (fs_p, input_file_stack_history,
5664 input_file_stack_restored, restore_input_file_stack): New.
5665 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5666 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5667 (pop_srcloc): Don't free old state of stack.
5669 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5672 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5673 (PowerPC Type Attributes): New.
5675 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5677 * config/xtensa/xtensa.c (function_arg_boundary): New.
5678 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5680 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5681 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5683 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5686 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5689 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5691 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5692 (verify_local_live_at_start): Likewise.
5694 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5697 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5698 omp_add_variable): Treat sizes as variable whenever not
5701 2006-08-26 Richard Guenther <rguenther@suse.de>
5704 * fold-const.c (fold_binary): Fold temporary to correct
5705 type before constructing new comparison.
5707 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5710 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5711 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5713 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5716 * c-decl.c (start_function): Don't try to process prototype
5717 information from old declaration that isn't a function.
5719 2006-08-25 Jan Hubicka <jh@suse.cz>
5722 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5724 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5727 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5730 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5732 PR tree-optimization/16876
5733 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5734 exit if PARM doesn't match VALUE.
5736 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5738 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5739 literal_prefix directive.
5740 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5741 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5742 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5744 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5747 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5748 predicate to general_operand. Add 0->y and I->r alternatives.
5750 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5752 * doc/tm.texi: Fix a typo.
5753 * predict.c: Fix comment typos.
5755 2006-08-25 Nick Clifton <nickc@redhat.com>
5757 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5758 assertions of "cpu" and "machine".
5760 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5763 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5764 the access through a base which has an alias set of 0 cannot
5767 2006-08-24 Bill Wendling <wendling@apple.com>
5769 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5771 2006-08-24 Jan Hubicka <jh@suse.cz>
5773 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5775 2006-08-24 Jan Hubicka <jh@suse.cz>
5778 * cgraph.c: Fix comments.
5779 (cgraph_varpool_mark_needed_node): Mark only variables not already
5781 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5782 (cgraph_varpool_assembled_nodes_queue): New static variable.
5783 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5784 (cgraph_varpool_output_debug_info): New function.
5785 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5786 * Makefile.in: Add gt-cgraphunit.h
5788 2006-08-24 Jan Hubicka <jh@suse.cz>
5790 * predict.c (probability_reliable_p): New predicate.
5791 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5792 (predict_loops): Do not predict loop exit with less than 2%
5794 * basic-block.h (edge_probability_reliable_p,
5795 br_prob_note_reliable_p): Declare.
5796 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5797 prediction when static predictor is not reliable.
5798 * rs6000.c (output_cbranch): Likewise.
5800 2006-08-23 Stuart Hastings <stuart@apple.com>
5803 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5804 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5806 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5809 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5810 complex values, nor for generic vector values.
5812 2006-08-22 Richard Guenther <rguenther@suse.de>
5815 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5816 parameter. Convert arguments to arithmetic expression to the
5818 (analyze_scalar_evolution_1): Adjust caller.
5820 2006-08-22 Jan Hubicka <jh@suse.cz>
5822 Patch by Paolo Bonzini
5823 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5826 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5828 PR tree-optimization/28003
5829 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5830 before grouping aliases.
5832 2006-08-22 Roger Sayle <roger@eyesopen.com>
5834 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5835 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5837 2006-08-21 Jason Merrill <jason@redhat.com>
5840 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5841 wrapper. Loop to handle nested wrappers.
5842 (gimplify_bind_expr): Remove temp parameter.
5843 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5844 and STATEMENT_LIST on the rhs.
5845 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5846 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5847 (gimplify_target_expr): Remove special BIND_EXPR handling.
5849 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5851 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5854 2006-08-21 Olivier Hainque <hainque@adacore.com>
5856 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5857 Arrange for the temporary captures of components overlapping the lhs
5858 to happen before the lhs is possibly cleared.
5860 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5862 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5863 necessary places to pass the correct "number of registers" values
5866 2006-08-20 Jan Hubicka <jh@suse.cz>
5868 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5869 (create_name_tags): Instead of quadratic checking use hashtable.
5870 * bitmap.h: Include hashtab.h.
5871 (bitmap_hash): Declare.
5872 * bitmap.c (bitmap_hash): New function.
5874 2006-08-20 Jan Hubicka <jh@suse.cz>
5876 PR rtl-optimization/28071
5877 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5879 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5880 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5881 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5882 cgraph_decide_inlining_incrementally): Update use of
5883 cgraph_check_inline_limits.
5884 * cgraph.c (edge_hash, edge_eq): New function.
5885 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5886 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5887 cgraph_remove_node): Maintain call site hash.
5888 * cgraph.h (struct cgraph_node): Add call_site_hash.
5889 (cgraph_set_call_stmt): New function.
5891 2006-08-20 Jan Hubicka <jh@suse.cz>
5893 PR rtl-optimization/28071
5894 * reload1.c (reg_has_output_reload): Turn into regset.
5895 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5896 choose_reload_regs, emit_reload_insns): Update to new
5897 reg_has_output_reload.
5899 2006-08-20 Jan Hubicka <jh@suse.cz>
5902 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5903 function body sizes.
5904 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5906 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5909 * tree.c (handle_dll_attribute): Return early if not a
5910 var or function decl.
5912 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5915 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5916 alignment of SPE vector types.
5918 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5920 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5922 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5925 * cgraph.h (struct cgraph_node): Remove externally_visible
5927 * cgraphunit.c (process_function_and_variable_attributes): Set
5928 local.externally_visible rather than externally_visible.
5931 * c-common.c (handle_externally_visible_attribute): First look
5932 at TREE_CODE and only if it is function or var decl, check for
5933 non-public objects. Don't warn for DECL_EXTERNAL.
5934 * cgraphunit.c (process_function_and_variable_attributes): Warn
5935 if externally_visible attribute is used on non-public object.
5937 2006-08-17 Jan Hubicka <jh@suse.cz>
5939 PR tree-optimization/27865
5940 * reload1.c (forget_marked_reloads): New function.
5941 (forget_old_reloads_1): When data are passed, just mark the registers
5943 (reload_as_needed): Use the new mechanizm.
5945 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
5948 * reload.h (reg_equiv_alt_mem_list): New declaration.
5949 * reload1.c (reg_equiv_alt_mem_list): New definition.
5950 (reload): Initialize it and release it.
5951 (delete_output_reload): Use it.
5952 * reload.c (push_reg_equiv_alt_mem): New function.
5953 (find_reloads_toplev): Call it.
5954 (find_reloads_address, find_reloads_address_1): Likewise.
5955 (find_reloads_subreg_address): Likewise.
5957 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5959 PR rtl-optimization/28489
5960 * sched-ebb.c (begin_schedule_ready): Create basic block
5962 (advance_target_bb): Skip empty blocks.
5963 * haifa-sched.c (bb_note): Make global.
5964 * sched-int.h (bb_note): Add prototype.
5966 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5968 PR tree-optimization/27865
5969 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
5971 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
5972 fold_used_pointer, pointer_used_p): New functions.
5973 (analyze_scalar_evolution_1): Use fold_used_pointer.
5974 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
5975 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
5978 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
5981 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
5982 or the INTEGER_CST. Fail on a CALL_EXPR.
5983 (fold_offsetof): Pass new argument to fold_offsetof_1.
5984 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
5985 operand into an INDIRECT_REF.
5986 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
5988 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
5990 PR gcov/profile/26570
5991 * value-prof.c (static_values): Removed.
5992 (tree_find_values_to_profile): Do not set static_values.
5993 (find_values_to_profile): Do not free static_values.
5994 * profile.c (instrument_values): Do not free the values.
5995 (branch_prob): Free the values.
5997 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
5999 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6001 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6004 * c-typeck.c (build_component_ref): Combine qualifiers of
6005 structure or union and field.
6007 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6009 PR rtl-optimization/28071
6010 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6011 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6012 * tree-into-ssa.c (struct dom_dfsnum): New.
6013 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6015 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6016 compute_global_livein.
6017 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6018 in phi nodes in the correct blocks.
6020 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6022 PR tree-optimization/28364
6023 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6025 (fold_affine_expr): New function.
6026 (may_eliminate_iv): Use fold_affine_expr.
6028 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6031 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6034 2006-08-16 Mike Stump <mrs@apple.com>
6036 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6037 * doc/cppopts.texi (-MD): Likewise.
6039 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6042 * c-common.c (handle_weak_attribute): Ignore and warn if
6043 not a FUNCTION_ or VAR_DECL.
6045 2006-07-15 Mike Stump <mrs@apple.com>
6048 * c-parser.c (c_parser_typeof_specifier): Don't use
6049 c_finish_expr_stmt, open code desired semantics instead.
6051 2006-08-15 Nick Clifton <nickc@redhat.com>
6053 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6054 fragment to tmake_file only if threads are enabled.
6055 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6056 * config/i386/t-gthr-win32: New file. ... here.
6058 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6061 * c-parser.c (c_parser_compound_statement_nostart): Reset
6062 parser->error after each statement.
6064 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6067 * omp-low.c (lower_omp_parallel): Convert t to
6068 receiver_decl's type.
6069 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6070 source before comparison.
6073 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6074 to itype in assignment to oldival2.
6076 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6080 * c-typeck.c (build_compound_expr): If the second expression
6081 is an error mark, then just return an error mark instead of
6082 creating a COMPOUND_EXPR.
6084 2006-07-14 Mike Stump <mrs@apple.com>
6086 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6088 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6090 * c-decl.c, var-tracking.c: Fix comment typos.
6092 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6094 PR rtl-optimization/28634
6095 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6096 for floating-point modes unless flag_unsafe_math_optimizations.
6098 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6099 Andrew Pinski <pinskia@physics.uc.edu>
6102 * tree.c (build_array_type): Unify array types with
6103 unspecified index_type.
6104 * c-decl.c (grokdeclarator): Make sure we do not modify a
6105 unified incomplete array type.
6106 * c-typeck.c (store_init_value): Create distinct type before
6107 filling in the index type in an initializer from a compound
6110 * c-decl.c (grokdeclarator): Remove code where we copy the
6113 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6115 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6116 into account for TODO_dump_cgraph.
6117 (TODO_update_ssa_no_phi): Likewise.
6118 (TODO_update_ssa_full_phi): Likewise.
6119 (TODO_update_ssa_only_virtuals): Likewise.
6120 (TODO_remove_unused_locals): Likewise.
6121 (TODO_set_props): Likewise.
6122 (TODO_update_stmt_usage): Likewise.
6124 2006-08-13 Dirk Mueller <dmueller@suse.de>
6126 * c-common.c (strict_aliasing_warning): Fix formatting.
6128 2006-08-13 Matthias Klose <doko@debian.org>
6130 * doc/invoke.texi: Fix spelling errors.
6132 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6134 PR rtl-optimization/23454
6135 * reorg.c (relax_delay_slots): Update comment.
6137 2006-08-11 Richard Guenther <rguenther@suse.de>
6140 * simplify-rtx.c (simplify_const_relational_operation):
6141 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6144 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6146 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6147 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6149 2006-08-10 Paul Brook <paul@codesourcery.com>
6151 * final.c (final_scan_insn): Clear current_insn_predicate before
6152 outputting inline asm.
6154 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6156 PR tree-optimization/26197
6157 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6158 get_ref_base_and_extent and overlap_subvar to add only relevant
6159 subvars as may-aliases.
6160 (add_may_alias_for_new_tag): New function, factored out of
6162 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6163 with additional argument.
6164 * tree-flow.h (new_type_alias): Takes additional argument.
6166 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6168 * gcov.c (no_data_file): New flag.
6169 (read_count_file): Set it if data file not present. Assume counts
6171 (output_lines): Don't name the data file, if there wasn't one.
6173 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6175 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6176 (rs6000_generate_compare): Tweak comments.
6177 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6179 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6181 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6182 (var_debug_decl): New function.
6183 (var_reg_set): Follow debug decl link. Add location even if
6184 reg is already known to hold some other variable.
6185 (var_mem_set): Follow debug decl link.
6186 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6187 decl link. Delete other known locations of the variable part
6189 (var_reg_delete, var_mem_delete): Delete other known locations
6190 of the variable part if requested.
6191 (same_variable_part_p): New function.
6192 (add_stores): Select MO_COPY when appropriate.
6193 (vt_initialize): Handle it.
6194 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6195 known locations for MO_SET and MO_CLOBBER.
6196 (find_variable_location_part): New function.
6197 (set_variable_part, delete_variable_part): Use it.
6198 (clobber_variable_part): New function.
6199 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6202 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6204 PR tree-optimization/26969
6205 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6206 with an empty list of PHIs.
6208 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6212 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6215 2006-08-06 Andreas Schwab <schwab@suse.de>
6217 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6218 string. Whitespace and comment fixup.
6220 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6223 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6227 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6230 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6232 2006-08-04 Jan Hubicka <jh@suse.cz>
6236 * reload.c (push_reload): Patch out the mismatching instruction;
6238 (find_reload): Bail out if the instruction was patched out.
6240 2006-08-04 Jan Hubicka <jh@suse.cz>
6242 PR tree-optimization/24888
6243 * tree-inline.c (expand_call_inline): Do not re-record variables.
6244 (declare_inline_vars): Add variable to unexpanded_var_list.
6246 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6247 Roger Sayle <roger@eyesopen.com>
6249 PR rtl-optimization/26244
6250 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6251 inner_const are negative or greater than or equal to the bitsize of
6252 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6253 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6254 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6255 CONST0_RTX (mode) when the new shift count is greater than or equal to
6256 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6259 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6261 * tree-cfg.c: Fix a comment typo.
6263 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6266 * varasm.c (output_constant): Give the front end another chance to
6267 expand constants, after stripping NOPs.
6269 2006-08-03 Jan Hubicka <jh@suse.cz>
6271 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6274 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6276 PR tree-optimization/27770
6277 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6278 declaration removed (moved to tree-flow.h).
6279 (vect_can_force_dr_alignment_p): Likewise.
6280 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6281 (moved from tree-vectorizer.h).
6282 (vect_can_force_dr_alignment_p): Likewise.
6283 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6284 from outside the vectorizer - in particular from cgraph stage.
6285 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6286 the alignment of global arrays when -fsection-anchors is enabled.
6287 * cgraphunit.c (cgraph_increase_alignment): New function.
6288 (cgraph_optimize): Call cgraph_increase_alignment.
6290 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6293 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6294 not reload a SPE symbol_ref into a lo_sum address.
6296 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6299 * dwarf2out.c (prune_unused_types_prune): Move call to
6300 prune_unused_types_update_strings to cover the parent DIE also.
6302 2006-08-02 Jan Hubicka <jh@suse.cz>
6304 PR gcov/profile/28480
6305 * tree-cfg.c (change_bb_for_stmt): New function.
6306 (tree_merge_blocks, tree_split_blocks): Use it.
6308 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6314 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6315 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6316 (cgraph_optimize): Likewise.
6318 2006-08-01 Stuart Hastings <stuart@apple.com>
6320 * rtl.h (UINTVAL) New.
6321 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6322 * testsuite/gcc.dg/20060801-1.c: New.
6324 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6327 * c-typeck.c (build_external_type): Mark used enum types.
6328 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6330 (gen_subprogram_die): Whitespace fix.
6332 2006-08-01 Jan Hubicka <jh@suse.cz>
6334 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6335 bitmap when not needed.
6336 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6339 2006-08-01 Dirk Mueller <dmueller@suse.de>
6341 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6343 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6345 * Makefile.in: Revert part of previous patch:
6346 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6349 2006-07-30 Eric Christopher <echristo@apple.com>
6352 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6353 (PowerPC Variable Attributes): New section.
6355 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6357 PR target/28126 (partial fix)
6358 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6360 2006-07-28 Jan Hubicka <jh@suse.cz>
6362 PR rtl-optimization/28071
6363 * cfgrtl.c (rtl_delete_block): Free regsets.
6364 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6366 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6368 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6369 and variables used in dependencies.
6371 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6373 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6374 %fs for -mcmodel=kernel.
6375 (stack_tls_protect_test_di): Likewise.
6377 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6379 * Makefile.in: Use mkinstalldirs.
6381 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6384 * opts-common.c (prune_options): Skip joined switches.
6386 2006-07-27 Jan Hubicka <jh@suse.cz>
6388 PR rtl-optimization/28071
6389 * cselib.c (cselib_process_insn): Don't remove useless values too
6390 often for very large hashtables.
6392 2006-07-27 Jan Hubicka <jh@suse.cz>
6394 PR rtl-optimization/28071
6395 * global.c (greg_obstack): New obstack.
6396 (allocate_bb_info): Use it.
6397 (free_bb_info): Likewise.
6398 (modify_reg_pav): Likewise.
6400 2006-07-27 Roger Sayle <roger@eyesopen.com>
6402 * builtins.c (fold_fixed_mathfn): When long and long long are the
6403 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6404 functions to their lceil*, lfloor*, lround* and lrint* forms.
6406 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6409 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6411 (rev_branch_insn): Likewise.
6413 2006-07-27 Jan Hubicka <jh@suse.cz>
6415 PR rtl-optimization/28071
6416 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6417 (reg_set_in_bb, max_reg_computed): New static variables.
6418 (regmove_optimize): Free the new array.
6419 (fixup_match_1): Update call of reg_is_remote_constant_p.
6421 2006-07-26 Jan Hubicka <jh@suse.cz>
6423 PR tree-optimization/27882
6424 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6426 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6428 (cgraph_analyze_compilation_unit): Likewise.
6429 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6430 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6431 (cgraph_early_inlinine): Make order garbage collected.
6432 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6434 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6436 * dbxout.c (output_types_sort): Add a comment.
6437 (output_used_types): Free the VEC.
6439 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6441 * function.c (reorder_fix_fragments): Delete.
6442 (reorder_blocks): Don't call it.
6443 (reorder_blocks_1): Put all subblocks under the origin block.
6445 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6447 PR rtl-optimization/27907
6448 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6451 2006-07-25 Roger Sayle <roger@eyesopen.com>
6454 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6455 bar(x) check that bar's result type can represent all the values of T.
6457 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6459 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6461 2006-07-25 Nick Clifton <nickc@redhat.com>
6463 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6464 size_lookup[] array.
6465 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6466 (ggc_pch_count_object): Likewise.
6467 (ggc_pch_alloc_object): Likewise.
6468 (ggc_pch_write_object): Likewise.
6469 (init_ggc): Do not attempt to initialize entries in the
6470 size_lookup[] array for objects whose size is greater than than
6471 the length of the array.
6473 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6475 * dbxout.c (output_used_types_helper): Push queued types
6477 (output_types_sort): New.
6478 (output_used_types): Collect used types on a VEC and sort them
6481 2006-07-24 Richard Guenther <rguenther@suse.de>
6484 * cgraph.c (cgraph_remove_node): Do not check if dumps
6486 * cgraphunit.c (cgraph_optimize): Likewise.
6488 2006-07-24 Jan Hubicka <jh@suse.cz>
6490 PR rtl-optimization/28071
6491 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6492 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6493 splitting before first stmt.
6495 2006-07-24 Jan Hubicka <jh@suse.cz>
6497 PR rtl-optimization/28071
6498 * ipa-inline.c (update_caller_keys): Remove edges that
6499 are no longer inline candidates.
6501 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6504 * dbxout.c (output_used_types_helper, output_used_types): New.
6505 (dbxout_symbol): Call output_used_types.
6507 2006-07-23 Jan Hubicka <jh@suse.cz>
6511 * cgraph.c (cgraph_varpool_nodes): Export.
6512 (decide_is_variable_needed): Ignored "used" attribute in
6513 unit-at-a-time mode.
6514 * cgraph.h (cgraph_varpool_nodes): Declare.
6515 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6516 unit-at-a-time mode.
6518 2006-07-23 Roger Sayle <roger@eyesopen.com>
6521 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6522 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6523 the __gthrw form of thr_keycreate.
6524 (__gthread_key_delete): Silence the unused argument warning.
6526 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6529 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6530 Cache the last found '\0' marker to avoid quadratic behavior.
6532 2006-07-23 Jan Hubicka <jh@suse.cz>
6534 * i386.md (subsi_3_zext): Fix output template.
6536 2006-07-21 Mike Stump <mrs@apple.com>
6538 * doc/invoke.texi (C++ Dialect Options): Note that
6539 -fvisibility-inlines-hidden doesn't affect explicitly
6540 instantiationed inline methods.
6542 2006-07-20 Roger Sayle <roger@eyesopen.com>
6544 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6545 if the target assembler is GNU binutils' gas.
6546 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6547 whether to pass GNU gas or native as command line options.
6549 2006-07-20 Jason Merrill <jason@redhat.com>
6551 * tree.c (remove_attribute): New fn.
6552 * tree.h: Declare it.
6554 2006-07-20 Paul Brook <paul@codesourcery.com>
6557 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6558 they are invalidated by this instruction.
6560 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6563 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6565 2006-07-20 Eric Christopher <echristo@apple.com>
6568 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6570 2006-07-19 Eric Christopher <echristo@apple.com>
6572 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6573 Rewrite dependencies for libgcc_s.1.dylib.
6575 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6577 * except.c (duplicate_eh_regions_1): Clear next_peer.
6579 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6581 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6582 -mlongcall does not guarantee all calls will be long.
6583 * doc/extend.texi (long_call/short_call): Document that longcall
6584 does not guarantee a long call will be used.
6585 (longcall/shortcall): Likewise.
6587 2006-07-18 Roger Sayle <roger@eyesopen.com>
6590 * expmed.c (expand_shift): Additionally check that the shift_cost
6591 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6592 before implementing a LSHIFT_EXPR as a sequence of additions.
6593 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6594 middle-end that DImode shifts need to be synthesized by expand.
6596 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6599 * tree-ssa-operands.c (access_can_touch_variable): Update
6601 Return true if ALIAS is .GLOBAL_VAR.
6603 2006-07-18 David Daney <ddaney@avtrex.com>
6605 * gcc.c (display_help): Fix typo in help text.
6607 2006-07-18 Olivier Hainque <hainque@adacore.com>
6609 * tree.h (categorize_ctor_elements): Adjust prototype and add
6610 descriptive comment, both in accordance with the interface change
6612 * varasm.c (constructor_static_from_elts_p): New function.
6613 Whether a constructor node is a valid static constant initializer
6614 if all its elements are.
6615 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6616 * output.h: Declare it.
6617 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6618 is a valid constant initializer instead of computing the number of
6619 non-constant elements. Use constructor_static_from_elts_p for this
6620 purpose. Replace the head comment with an indication that this is a
6621 helper for categorize_ctor_elements.
6622 (categorize_ctor_elements): Same interface change as for the _1
6623 helper. Former head comment from this helper moved here, adjusted to
6624 account for the interface changes.
6625 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6626 (all_zeros_p): Likewise.
6627 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6628 static versions of the constructor from the categorize_ctor_elements
6629 return value instead of the formerly computed number of non-constant
6632 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6634 * configure: Regenerate.
6635 * Makefile.in (build_libsubdir): New configure substitution
6636 (build_libobjdir): New variable.
6637 (BUILD_LIBIBERTY): Use it.
6639 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6642 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6644 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6647 * c-common.c (handle_weakref_attribute): Ignore attribute in
6648 the same conditions the alias attribute is ignored.
6650 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6652 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6653 (dbxout_begin_prologue): Increment scope_labelno.
6655 2006-07-17 Richard Henderson <rth@redhat.com>
6658 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6661 2006-07-17 Roger Sayle <roger@eyesopen.com>
6662 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6664 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6665 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6666 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6667 functions such as sbrk, write, etc.. Add function prototypes.
6668 Convert function declarations from K&R to ISO C. Cast pointers
6669 to "long" and "unsigned long" instead of "int" and "unsigned int".
6670 Convert tokens following #endif into comments.
6672 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6674 * invoke.texi: Remove mention of f77; Reformat table for
6675 inline parameter options correctly; mention that -malign-double
6676 is default on x86-64 targets.
6678 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6680 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6681 (convert_affine_scev, chrec_convert_aggressive): Use
6682 avoid_arithmetics_in_type_p. Do not check for the subtypes
6685 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6688 * optabs.c (expand_doubleword_shift): Wrap the call to
6689 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6691 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6694 * optabs.c (expand_binop): Pass next_methods rather than methods
6695 to expand_doubleword_shift.
6697 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6700 * tree.h (dump_addr): Declare.
6701 * print-tree.c (dump_addr): New function.
6702 (print_node_brief, print_node): Use it.
6703 * print-rtl.c (print_rtx): Likewise.
6704 * common.opt (-fdump-noaddr): New option.
6705 * doc/invoke.texi (-fdump-noaddr): Document.
6706 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6707 (ve_info_hash): Likewise.
6709 2006-07-13 Andrew Haley <aph@redhat.com>
6711 PR tree-optimization/19505
6712 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6713 edge leaving this block, make sure that the destination of this
6714 block has only one predecessor.
6716 2006-07-17 Richard Guenther <rguenther@suse.de>
6718 PR tree-optimization/28238
6719 * tree-inline.c (copy_bb): Check if we produced valid
6720 gimple copying and substituting a stmt. If not, gimplify
6723 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6725 * optabs.c (maybe_encapsulate_block): New function extracted from...
6726 (emit_libcall_block): ...here. Invoke it on the block of insns to
6727 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6728 (emit_no_conflict_block): Likewise.
6730 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6732 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6734 2006-07-15 Roger Sayle <roger@eyesopen.com>
6736 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6737 a new NOP_EXPR case of the switch statement.
6739 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6742 * stor-layout.c (place_field): Take the bit field with
6743 an excessive size into account in the ms-bitfiled case.
6746 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6747 the previous bit field.
6749 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6752 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6754 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6756 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6757 signal frames correctly even when the signal was installed with
6760 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6762 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6763 (dbxout_function_end): Use local label LFBB. Remove hook
6765 (dbxout_source_line): Use local label LFBB.
6766 (dbxout_block): Likewise.
6767 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6768 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6769 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6770 and DBX_OUTPUT_NFUN.
6772 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6774 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6776 2006-07-13 Jan Hubicka <jh@suse.cz>
6778 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6780 * output.h (align_variable): Declare.
6781 * varasm.c (align_variable): Export.
6782 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6783 when basic block changed.
6785 2006-07-13 Nick Clifton <nickc@redhat.com>
6787 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6788 walking the LOG_LINKS chain.
6790 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6792 * doc/invoke.texi (C++ Dialect Options): Explain difference
6793 between -fvisibility-inlines-hidden and setting hidden
6794 visibility explicitly.
6796 2006-07-12 Eric Christopher <echristo@apple.com>
6798 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6799 (stmp-lipo): Depend on libgcc.a.
6801 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6803 * tree.c: Fix a comment typo.
6805 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6807 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6809 (umulhisi3_r): Likewise.
6811 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6814 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6815 x < 19, vs wchar_t support.
6817 2006-07-12 Nick Clifton <nickc@redhat.com>
6819 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6820 instead of -isa=sh4.
6822 2006-07-12 Mike Stump <mrs@apple.com>
6824 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6826 2006-07-10 Eric Christopher <echristo@apple.com>
6828 * config/t-slibgcc-darwin: Rewrite.
6830 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6833 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6836 2006-07-08 Matthias Klose <doko@debian.org>
6838 * doc/sourcebuild.texi: Fix typo.
6840 2006-07-07 Mike Stump <mrs@apple.com>
6842 * toplev.c (process_options): Don't give -ffunction-sections may
6843 affect debugging warning for Mach-O.
6845 2006-07-07 James E Wilson <wilson@specifix.com>
6847 * config/mips/mips.md (cpu): Add sb1a.
6848 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6849 addition to sb1. Adjust comments to clarify SB-1A differences from
6851 (ir_sb1a_load): New. Modify bypasses to use it.
6852 (ir_sb1a_simple_alu): Likewise.
6853 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6854 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6855 (mips_issue_rate): Add PROCESSOR_SB1A.
6856 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6857 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6858 (TARGET_SB1): Add PROCESSOR_SB1A check.
6859 (TUNE_SB1): Likewise.
6861 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6862 * config/mips/mips.c (mips_store_data_bypass_p): New.
6863 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6864 store_data_bypass_p.
6866 2006-07-08 Paul Brook <paul@codesourcery.com>
6869 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6871 2006-07-07 Richard Guenther <rguenther@suse.de>
6874 * tree.h (build_one_cst): Declare.
6875 * tree.c (build_one_cst): New function.
6876 * tree-ssa-math-opts.c (get_constant_one): Remove.
6877 (insert_reciprocals): Use build_one_cst.
6878 * fold-const.c (fold_plusminus_mult): Likewise.
6880 2006-07-07 Roger Sayle <roger@eyesopen.com>
6882 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6883 * cfgloopanal.c (dump_graph): Likewise.
6884 * dojump.c (discard_pending_stack_adjust): Likewise.
6885 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6887 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6888 * function.c (finalize_block_changes): Likewise.
6889 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6890 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6891 * rtl.c (dump_rtx_statistics): Likewise.
6892 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6894 * varray.c (dump_varray_statistics): Likewise.
6895 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6896 decode_decimal64, encode_decimal128, decode_decimal128,
6897 decimal_real_to_decimal): Likewise.
6899 2006-07-07 Richard Guenther <rguenther@suse.de>
6901 PR tree-optimization/28187
6902 * tree-vrp.c (vrp_operand_equal_p): New function.
6903 (vrp_bitmap_equal_p): Likewise.
6904 (update_value_range): Use them to compare old and new
6907 2006-07-06 Roger Sayle <roger@eyesopen.com>
6909 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6910 a default case to switch statement to silence compiler warnings.
6912 2006-07-06 Roger Sayle <roger@eyesopen.com>
6915 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6916 the configured assembler supports the x87's ffreep mnemonic.
6917 * configure: Regenerate.
6918 * config.in: Regenerate.
6920 * config/i386/i386.c (output_387_ffreep): New function.
6921 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6922 (output_387_reg_move): Likewise.
6924 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6926 Port to hosts whose 'sort' and 'tail' implementations
6927 treat operands with leading '+' as file names, as POSIX
6928 has required since 2001. However, make sure the code still
6929 works on pre-POSIX hosts.
6930 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6931 which says you should use "tail -c +N" rather than "tail +Nc".
6932 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6934 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6936 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6939 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6942 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6943 PRE_{INC,DEC} of TFmode.
6945 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6946 Alan Modra <amodra@bigpond.net.au>
6949 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
6952 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6955 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
6956 Remove duplicate gtu.
6958 2006-07-05 Jason Merrill <jason@redhat.com>
6962 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
6963 * c-common.c (handle_packed_attribute): So don't copy it here.
6964 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
6966 2006-07-05 Mike Stump <mrs@apple.com>
6968 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
6970 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
6973 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
6975 2006-07-05 Richard Guenther <rguenther@suse.de>
6978 * config/i386/i386.md (*negdf2_1): Restrict pattern to
6979 TARGET_SSE2 targets if using SSE math.
6980 (*absdf2_1): Likewise.
6982 2006-07-05 Richard Guenther <rguenther@suse.de>
6984 PR tree-optimization/28162
6985 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
6986 make sure to convert the operands to the correct type.
6988 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
6990 PR tree-optimization/28218
6992 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
6993 to calculate and free the dominator information.
6995 2006-07-04 Peter O'Gorman <peter@pogma.com>
6997 * mklibgcc.in: chmod 644 before ranlib during install.
6999 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7000 J"orn Rennecke <joern.rennecke@st.com>
7002 * configure.ac (.eh_frame data check): Use diff -b.
7004 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7007 * Makefile.in (BUILD_RTL): Add build/vec.o.
7008 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7009 (build/genextract): Delete.
7010 (build/genautomata): Likewise.
7012 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7015 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7016 128-bit IBM long doubles for ABI_V4.
7018 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7020 * tree.c (range_in_array_bounds_p): New predicate.
7021 * tree.h (range_in_array_bounds_p): Declare it.
7022 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7023 return a less conservative answer.
7024 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7025 and flag 'is_group'.
7026 (IS_ELEMENT_FOR_GROUP): New macro.
7027 (FOR_EACH_ACTUAL_CHILD): Likewise.
7028 (next_child_for_group): New helper function.
7029 (can_completely_scalarize_p): Take into account groups.
7030 (sra_hash_tree): Handle RANGE_EXPR.
7031 (sra_elt_eq): Likewise.
7032 (lookup_element): Be prepared for handling groups.
7033 (is_valid_const_index): Delete.
7034 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7035 instead of is_valid_const_index.
7036 <ARRAY_RANGE_REF>: New case.
7037 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7038 is_valid_const_index.
7039 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7040 (scan_dump): Dump info for groups too.
7041 (decide_instantiation_1): Likewise.
7042 (decide_block_copy): Assert that the element is not a group.
7043 Propagate decision to groups.
7044 (generate_one_element_ref): Handle RANGE_EXPR.
7045 (mark_no_warning): Iterate over actual childs.
7046 (generate_copy_inout): Likewise.
7047 (generate_element_copy): Likewise.
7048 (generate_element_zero): Likewise.
7049 (generate_element_init_1): Likewise.
7050 (dump_sra_elt_name): Handle RANGE_EXPR.
7052 2006-07-03 Roger Sayle <roger@eyesopen.com>
7054 PR tree-optimization/26251
7055 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7056 (thread_block): When optimizing for size refuse to thread jumps
7057 that would require duplication of blocks other than redirection
7060 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7062 * configure.ac: Fix thinko in previous check-in.
7063 * configure: Regenerate.
7065 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7068 * configure.ac (for lang...): Simplify nesting of conditionals.
7069 Test subdir_requires for non-enabled languages. Move processing
7070 of lang_opt_files and lang_tree_fiels below that test.
7071 * configure: Regenerate.
7072 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7074 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7076 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7078 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7080 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7083 2006-06-29 Jason Merrill <jason@redhat.com>
7090 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7091 * c-common.c (c_determine_visibility): Handle it here.
7092 * c-decl.c (finish_decl): Call c_determine_visibility for
7094 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7096 * varasm.c (default_assemble_visibility): Likewise.
7097 * c-common.c (handle_visibility_attribute): Complain about trying
7098 to give visibility to an already defined class, or trying to change
7099 declared visibility. Always attach the attribute.
7104 * attribs.c (decl_attributes): Ignore type-in-place attributes
7105 once the type has been defined.
7107 2006-06-29 Roger Sayle <roger@eyesopen.com>
7110 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7111 to indicate the cpplib has issued an error message for us.
7113 2006-06-29 Asher Langton <langton2@llnl.gov>
7116 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7117 insert a label at the end of an function under Mach-O.
7119 2006-06-29 Eric Christopher <echristo@apple.com>
7120 Evan Cheng <evan.cheng@apple.com>
7122 * predicates.md (vector_all_ones_operand): New.
7123 (nonimmediate_or_sse_const_operand): Ditto.
7124 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7125 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7126 (standard_sse_mode_p): Ditto.
7127 (standard_sse_constant_p): Add case for -1 vector.
7128 (ix86_expand_vector_move): Try to use.
7129 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7130 Call standard_sse_constant_opcode.
7131 (*movv4sf_internal): Ditto.
7132 (*movv2df_internal): Ditto.
7134 2006-06-29 Roger Sayle <roger@eyesopen.com>
7136 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7137 of XEXP to extract the operands of a MATCH_CODE rtx.
7139 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7141 * tree.c (tree_size): Do not waste tail padding in
7142 struct tree_string and make the size be the same as
7143 build_string will generate.
7145 2006-06-28 Jason Merrill <jason@redhat.com>
7148 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7149 may_aliases already in the tag's annotations to the bitmap.
7151 2006-06-28 Roger Sayle <roger@eyesopen.com>
7153 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7155 2006-06-28 Roger Sayle <roger@eyesopen.com>
7157 * genpreds.c (generate_switch_p): New function.
7158 (add_mode_tests): Push the new mode test down inside an AND expr
7159 if this allows the switch-suitable MATCH_CODE to be near the root.
7160 (write_match_code_switch): New function to write a MATCH_CODE as
7162 (write_predicate_stmts): New function to write a predicate RTX
7163 expression as a sequence of statements.
7164 (write_one_predicate_function): Use write_predicate_stmts.
7165 (write_tm_constrs_h): Likewise.
7167 2006-06-26 Fred Fish <fnf@specifix.com>
7169 * config/mips/t-sb1: New file.
7170 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7173 2006-06-26 DJ Delorie <dj@redhat.com>
7175 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7177 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7178 Jayant Sonar <jayants@kpitcummins.com>
7179 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7181 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7182 (subsi3, subsi3_1, subsi3_2): New.
7183 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7184 * config/m32c/mov.md (SI mov peephole): New.
7185 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7186 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7188 2006-06-26 Olivier Hainque <hainque@adacore.com>
7190 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7191 a CALL_EXPR target function declaration.
7193 2006-06-26 Richard Guenther <rguenther@suse.de>
7195 * tree.c (build_string): Do not waste tail padding in
7198 2006-06-26 Richard Guenther <rguenther@suse.de>
7200 * ggc-page.c (init_ggc): Add missing element to size_lookup
7204 2006-06-23 Richard Guenther <rguenther@suse.de>
7206 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7207 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7208 alignment requests instead. Add verification code.
7209 Add struct tree_function_decl and struct tree_binfo size to
7210 extra_order_size_table. Add missing element to size_lookup
7213 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7216 * fold-const.c (const_binop): Be prepared for self returning zero.
7217 Simplify code handling complex values.
7219 2006-06-24 Olivier Hainque <hainque@adacore.com>
7221 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7222 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7225 2006-06-24 Olivier Hainque <hainque@adacore.com>
7227 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7228 ARRAY_REF, so have the callback called for the low bound expression.
7230 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7232 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7233 * c-typeck.c (c_common_type): Disallow operations on decimal float
7234 types and other float types.
7235 * convert.c (convert_to_real): Don't ignore conversions involving
7236 decimal float types.
7238 2006-06-23 Olivier Hainque <hainque@adacore.com>
7240 * tree.c (max_int_size_in_bytes): New function, inspired from
7241 code in function.c:assign_temp.
7242 * tree.h (max_int_size_in_bytes): Declare.
7243 * function.c (assign_temp): Use it.
7244 * gimplify.c (create_tmp_var): Relax the assertions on the type
7245 properties, not mandating constant size any more.
7246 (force_constant_size): New static function.
7247 (gimple_add_tmp_var): Use it, forcing variable size to a
7248 constant upper bound if it is not constant on entry.
7250 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7253 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7254 for initialization and setting of one_only flag to ...
7255 (i386_pe_encode_section_info): ...here.
7256 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7257 Recheck that the symbol has not been defined.
7259 2006-06-23 Richard Guenther <rguenther@suse.de>
7261 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7262 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7263 alignment requests instead. Add verification code.
7264 Add struct tree_function_decl and struct tree_binfo size to
7265 extra_order_size_table. Add missing element to size_lookup
7268 2006-06-22 Roger Sayle <roger@eyesopen.com>
7269 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7272 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7273 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7275 2006-06-23 Ben Elliston <bje@au.ibm.com>
7277 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7278 negate dn -- manipulate it directly.
7280 2006-06-22 Roger Sayle <roger@eyesopen.com>
7281 Steven Bosscher <stevenb.gcc@gmail.com>
7284 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7285 generated by gen_move_insn to add REG_LABEL notes if necessary.
7287 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7289 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7290 (leaf_entry): Remove use of MIN_ESA.
7292 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7294 PR rtl-optimization/28121
7295 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7298 2006-06-21 DJ Delorie <dj@redhat.com>
7300 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7302 (mulhisi3_r): Likewise.
7304 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7307 * coverage.c (coverage_counter_alloc): Leave the index type
7309 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7312 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7314 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7315 section from the "Options for Code Generation Conventions".
7317 2006-06-21 Richard Henderson <rth@redhat.com>
7321 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7323 (global_symbolic_operand): Allow weak symbols, even if local_p.
7325 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7327 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7328 (find_interesting_uses_address): Punt if above function returns true.
7330 2006-06-21 Richard Guenther <rguenther@suse.de>
7332 * configure: Regenerated.
7334 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7336 * config/mips/mips.c (function_arg): Where one part of a
7337 complex argument is in registers and the other part in the stack,
7338 return a REG not a PARALLEL.
7340 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7342 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7343 when cross-compiling. Do not substitute libstdcxx_incdir.
7344 * configure: Regenerated.
7346 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7348 * varasm.c (mergeable_string_section): Check for embedded NULs and
7349 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7350 rather than TREE_STRING_LENGTH bytes.
7352 2006-06-21 Richard Guenther <rguenther@suse.de>
7354 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7355 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7358 2006-06-21 Richrad Guenther <rguenther@suse.de>
7360 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7361 Limit iteration over the dominators.
7363 2006-06-20 Roger Sayle <roger@eyesopen.com>
7365 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7366 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7368 2006-06-20 Richard Guenther <rguenther@suse.de>
7369 Michael Matz <matz@suse.de>
7371 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7373 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7374 * et-forest.h (et_free_pools): Prototype new function.
7375 * et-forest.c (et_free_tree_force): Free parent occurrence.
7376 (et_free_pools): New function.
7377 * dominance.c (free_dominance_info): Free et-forest alloc
7380 2006-06-20 Roger Sayle <roger@eyesopen.com>
7382 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7383 integer modes, attempt to directly construct an integer constant.
7385 * fold-const.c (native_encode_vector): Determine the size of each
7386 element from the vector type instead of the first vector element.
7388 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7389 if all of its elements/components are constant.
7390 (build_constructor_from_list): Likewise.
7392 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7394 PR tree-optimization/27331
7395 * tree-data-ref.c (free_data_ref): New function.
7396 (create_data_ref): Fail if the data reference has unknown access
7398 (free_data_refs): Use free_data_ref.
7400 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7403 * tree-inline.c (setup_one_parameter): Strip useless
7404 type conversion before adding it to the IR.
7405 (declare_return_variable): Likewise.
7407 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7410 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7412 2006-06-19 Mike Stump <mrs@apple.com>
7414 * tree.c (variably_modified_type_p): VM arguments don't make the
7417 2006-06-19 Richard Guenther <rguenther@suse.de>
7419 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7420 type conversions after folding.
7422 2006-06-19 Richard Guenther <rguenther@suse.de>
7424 * ggc-page.c (extra_order_size_tab): Add entries with
7425 size of struct function and basic_block.
7426 (size_lookup): Extend to cover sizes up to 511.
7427 (ggc_alloc_stat): Adjust user.
7428 (ggc_pch_count_object): Likewise.
7429 (ggc_pch_alloc_object): Likewise.
7430 (ggc_pch_write_object): Likewise.
7432 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7434 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7435 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7438 2006-06-19 Denis Chertykov <denisc@overta.ru>
7440 * config/avr/libgcc.S : Correct my wrong previous commit.
7442 2006-06-19 Roger Sayle <roger@eyesopen.com>
7445 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7446 have stripped a SUBREG from the shift count, so we may need to
7447 convert_to_mode back to the type's mode before calling make_tree.
7448 Use new_amount instead of amount to avoid expanding a tree twice.
7450 2006-06-19 Richard Guenther <rguenther@suse.de>
7453 * fold-const.c (operand_equal_p): Check if the argument types
7454 have the same precision before stripping NOPs.
7456 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7458 Fix PR tree-optimization/27341
7459 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7461 * tree-complex.c (pass_lower_complex): Update SMT usage.
7463 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7465 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7466 Add a new alternative to the constraint strings. Add move of
7467 operand 1 to 3 to the splitter definition.
7468 ("doloop_si_long"): Second contraint alternative removed.
7470 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7472 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7473 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7475 (AVR_HAVE_MOVW) Define.
7476 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7477 (ASM_SPEC): Add avr25.
7478 (LINK_SPEC): Add avr25.
7479 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7480 (base_arch_s): Add new member 'have_movw_lpmx'.
7481 (avr_arch_types): Init 'have_movw_lpmx'.
7482 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7483 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7484 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7485 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7486 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7488 (avr_file_start): Do not output '.arh' derective.
7489 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7490 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7491 * config/avr/avr.md (mcu_enhanced): Delete.
7492 (mcu_have_movw): Define.
7493 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7494 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7495 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7496 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7497 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7498 attiny861 and at86rf401 devices.
7500 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7502 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7505 2006-06-17 Karl Berry <karl@gnu.org>
7507 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7508 doc/gccint.texi, doc/install.texi (@dircategory): Use
7509 "Software development" instead of "Programming", following
7510 the Free Software Directory.
7512 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7514 * config/i386/i386.c (legitimate_tls_address)
7515 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7516 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7517 (*tls_dynamic_gnu2_combine_64): Likewise.
7519 2006-06-16 Richard Guenther <rguenther@suse.de>
7522 * fold-const.c (negate_expr_p): Do not introduce undefined
7523 overflow in negating INTEGER_CSTs.
7524 (fold_negate_expr): Rename from negate_expr. Revert last
7525 change for folding BIT_NOT_EXPR. Change semantics to
7526 return NULL_TREE for non-simplified negations. Do not
7527 strip type conversions and unify type handling.
7528 (negate_expr): New function, wrap around fold_negate_expr
7529 but ensure building a tree always. Strip type conversions
7530 here, fold to result type.
7531 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7533 2006-06-16 Roger Sayle <roger@eyesopen.com>
7536 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7537 that (would) return their results in stack registers.
7539 2006-06-16 Michael Matz <matz@suse.de>
7540 Richard Guenther <rguenther@suse.de>
7542 * fold-const.c (fold_truthop): Only return new tree node if
7543 we canonicalized something.
7545 2006-06-16 Richard Guenther <rguenther@suse.de>
7547 * function.h (enum function_frequency): Move declaration
7548 out of struct function.
7549 (struct function): Move bool fields and the enum to the bitfield
7550 section. Reorder elements to avoid padding. Remove unused
7551 fields left over from the RTL inliner removal.
7552 * function.c (free_after_compilation): Do not zero removed fields.
7553 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7554 (ipa-type-escape.o): Likewise.
7556 2006-06-16 Richard Guenther <rguenther@suse.de>
7558 * cgraph.h (struct cgraph_local_info): Turn bool elements
7560 (struct cgraph_node): Likewise.
7561 (struct cgraph_varpool_node): Likewise.
7563 2006-06-15 Richard Guenther <rguenther@suse.de>
7565 * fold-const.c (fold_truth_not_expr): Rename from
7566 invert_truthvalue. Give it fold_* semantics to avoid
7568 (invert_truthvalue): New function. Wrapper around
7569 fold_truth_not_expr.
7570 (optimize_minmax_comparison): Avoid creating garbage.
7571 (fold_unary): Use fold_truth_not_expr for folding
7573 (fold_ternary): Replace uses of invert_truthvalue with
7574 fold_truth_not_expr where applicable.
7575 * tree.h (fold_truth_not_expr): Prototype.
7577 2006-06-16 Richard Guenther <rguenther@suse.de>
7579 PR tree-optimization/27781
7580 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7581 * ipa-pure-const.c (target.h): Include.
7582 (analyze_function): Do not analyze functions that do not
7585 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7588 * tree-dfa.c (referenced_vars_dup_list): Remove.
7589 (find_referenced_vars): Remove assert.
7590 (referenced_var_check_and_insert): Replace dup list with assert.
7591 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7592 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7594 2006-06-15 Richard Guenther <rguenther@suse.de>
7596 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7597 extra unused identifiers if not dumping.
7598 (create_variable_info_for): Likewise.
7600 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7602 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7603 (derive_constant_upper_bound): Derive more precise upper bound in
7604 common cases. Return type changed to double_int.
7605 (record_estimate): Reflect the changed return type of
7606 derive_constant_upper_bound.
7607 * double-int.c (double_int_zext, double_int_sext): Fix.
7609 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7611 * configure.ac (CFLAGS): Get them from the toplevel or from the
7612 configure invocation.
7613 * configure: Regenerate.
7614 * Makefile.in (CFLAGS): Substitute value provided by configure.
7616 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7619 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7620 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7621 rather than calling add_stmt on it.
7622 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7624 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7627 * reload1.c (reload): Remove registers returned by update_eliminables
7628 from used_spill_regs.
7630 2006-06-13 DJ Delorie <dj@redhat.com>
7632 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7634 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7636 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7637 html__strip_dir, html__mkdir_p. Enhance install-html target.
7638 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7639 * configure: Regenerate.
7641 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7643 * fold-const.c (fold_cond_expr_with_comparison): Check for
7644 Objective-C++ as language in deciding COND_EXPR transformation.
7646 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7649 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7650 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7651 * config/sh/lib1funcs.h (SL, SL1): Define.
7652 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7653 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7654 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7655 (OBJS_Os_4_200): New variable.
7656 ($(T)libgcc-Os-4-200.a): Use it.
7657 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7658 when dividing 1 and/or by 0.
7660 2006-06-13 Roger Sayle <roger@eyesopen.com>
7662 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7663 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7664 * configure: Regenerate.
7666 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7668 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7669 for real instruction.
7671 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7674 * haifa-sched.c (check_cfg): Handle special case.
7676 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7679 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7680 Add debug_info parameter. Chain the vars to the BLOCK instead
7681 of the BIND_EXPR if debug info are requested for them.
7682 (pop_gimplify_context): Adjust for above change.
7683 (gimple_add_tmp_var): Likewise.
7684 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7686 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7687 (convert_local_reference): Likewise.
7688 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7689 (finalize_nesting_tree_1): Request that debug info be emitted
7690 for debug_var_chain.
7692 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7694 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7695 for PR target/27863.
7697 2006-06-13 Richard Guenther <rguenther@suse.de>
7700 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7702 2006-06-13 Richard Guenther <rguenther@suse.de>
7704 PR tree-optimization/27830
7705 * tree-inline.c (copy_body_r): For copying the operand
7706 of an ADDR_EXPR make sure to fold &* afterwards.
7708 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7710 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7711 lvalues in the fb_none case with side-effects.
7713 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7715 * tree-flow.h: Remove the prototype for
7716 compute_phi_arg_on_exit.
7717 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7718 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7721 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7723 * builtins.c (expand_builtin_return_addr): Only use
7724 frame_pointer_rtx when count == 0 and we are expanding
7725 __builtin_return_address.
7727 2006-06-12 Fred Fish <fnf@specifix.com>
7729 * config/mips/mips.c (mips_file_start): Create special section
7730 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7732 2006-06-11 Eric Christopher <echristo@apple.com>
7735 * stor-layout.c (place_field): Remove check for
7736 remaining_in_alignment when aligning at the end of a run.
7738 2006-06-11 Eric Christopher <echristo@apple.com>
7741 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7744 2006-06-11 Roger Sayle <roger@eyesopen.com>
7747 Revert incorrect fix for PR target/27158
7748 2006-05-08 Roger Sayle <roger@eyesopen.com>
7749 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7750 of a reg_equiv_constant if the result is a legitimate constant.
7752 2006-06-11 Roger Sayle <roger@eyesopen.com>
7755 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7756 extract a CONST_VECTOR element and interpret it as an integer.
7757 (vspltis_constant): Use const_vector_elt_as_int instead of the
7758 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7759 * config/rs6000/predicates.md (easy_vector_const): Consider
7760 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7762 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7765 * stor-layout.c (update_alignment_for_field): Don't add extra
7766 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7769 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7771 * config/mips/t-rtems: Add EL/EB multilib variants.
7773 2006-06-09 Mike Stump <mrs@apple.com>
7775 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7777 2006-06-09 David Daney <ddaney@avtrex.com>
7779 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7781 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7783 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7785 2006-06-09 Richard Guenther <rguenther@suse.de>
7787 PR tree-optimization/26998
7788 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7789 of signed types, only TYPE_MIN_VALUE is special, but for both,
7790 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7791 in this case, as is -fwrapv.
7793 2006-06-08 Mike Stump <mrs@apple.com>
7796 * config/darwin.c (darwin_asm_output_anchor): Disable
7797 -fsection-anchors on darwin for now.
7798 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7799 * rs6000/rs6000.c (optimization_options): Likewise.
7801 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7804 * config/i386/i386.c (classify_argument): Skip fields with invalid
7807 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7809 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7810 (cse_insn): Likewise for the stack_pointer_rtx.
7812 2006-06-08 Roger Sayle <roger@eyesopen.com>
7814 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7815 conditions from floating point comparisons.
7817 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7820 * expmed.c (struct alg_hash_entry): Fix type of field T
7821 to match synth_mult argument.
7822 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7824 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7827 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7830 2006-06-08 Richard Guenther <rguenther@suse.de>
7833 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7834 only, if overflow is defined and not trapping.
7835 (negate_expr): Likewise.
7837 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7839 PR tree-optimization/27872
7840 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7841 flag on the new exit edge of the unrolled loop.
7843 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7845 PR rtl-optimization/26449
7846 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7848 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7851 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7852 referenced_variables with matching DECL_UID's.
7853 (find_referenced_vars): Make sure duplicate list is empty to start.
7854 (referenced_var_p): Remove.
7855 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7856 Check if var is in the list, and add if needed. Update the duplicate
7857 list if a different var is in the list with the same DECL_UID.
7858 (add_referenced_var): Call routine to check and insert.
7859 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7860 * tree-flow.h (referenced_vars_dup_list): External declaration.
7862 2006-06-07 Fred Fish <fnf@specifix.com>
7864 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7867 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7870 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7871 the imaginary and real parts of a clobbered register.
7872 Emit insn to set the imaginary part.
7874 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7876 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7877 in lieu of unwind-dw2-fde.c.
7879 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7881 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7883 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7886 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7887 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7888 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7889 V4SImode temporaries and operations instead.
7891 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7893 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7896 2006-06-06 Mike Stump <mrs@apple.com>
7898 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7899 installing during build.
7901 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7903 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7905 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7906 * config/ia64/ia64.c (params.h): New header.
7907 (ia64_optimization_options): New function to adjust parameters.
7908 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7909 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7910 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7912 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7914 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7916 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7919 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7921 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7922 Victor Kaplansky <victork@il.ibm.com>
7924 PR tree-optimization/26360
7925 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7928 2006-06-04 Roger Sayle <roger@eyesopen.com>
7929 Andrew Pinski <pinskia@physics.uc.edu>
7932 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7933 for LABEL_DECL before calling DECL_WEAK.
7936 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7937 LABEL_DECL and PARM_DECL.
7939 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7943 * c-decl.c (grokdeclarator): Disallow variably modified types at
7944 file scope. Avoid marking shared array type of constant size as
7947 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7950 * c-common.c (fold_offsetof_1): Handle static members.
7952 2006-06-04 Eric Christopher <echristo@apple.com>
7954 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
7955 (debug_rli): Output value for remaining_in_alignment.
7956 (update_alignment_for_field): Unconditionalize
7957 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
7958 extra alignment code.
7959 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
7960 ms_bitfield_layout_p code. Rewrite handling of structure fields.
7961 * tree.h (record_layout_info_s): Remove prev_packed.
7962 * doc/extend.texi (ms_struct): Add documentation of format.
7964 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
7966 * tree.h: Declare folding_initializer.
7967 * builtins.c (fold_builtin_constant_p): Give definite answer
7968 if folding inside an initializer.
7969 * fold-const.c: Define folding_initializer.
7970 (START_FOLD_INIT): Save and then set folding_initializer.
7971 (END_FOLD_INIT): Restore folding_initializer.
7973 2006-06-04 Richard Guenther <rguenther@suse.de>
7975 PR tree-optimization/27039
7976 * fold-const.c (fold_comparison): Handle pointer comparison
7977 again for all comparison codes. Compare offsets in signed
7979 (fold_binary): Move code from here.
7981 2006-06-03 Roger Sayle <roger@eyesopen.com>
7984 * config/i386/i386.c (construct_container): Split static issued_error
7985 flag into issued_sse_arg_error, issued_sse_ret_error and
7986 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
7987 requires the use of x87 registers and the user explicitly
7988 specified the -mno-80387 command line option.
7990 2006-06-02 Geoffrey Keating <geoffk@apple.com>
7992 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
7993 HAVE_DECL_SIGALTSTACK.
7995 (segv_handler): Use MC_FLD.
7996 * configure.ac: Check for a sigaltstack declaration.
7997 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
7998 * configure: Regenerate.
7999 * config.in: Regenerate.
8001 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8004 * Makefile.in (stmp-fixinc): Fix typo.
8006 2006-06-02 Roger Sayle <roger@eyesopen.com>
8008 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8009 are type correct. Clean-up.
8010 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8011 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8013 2006-06-01 DJ Delorie <dj@redhat.com>
8015 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8016 shift, as we've disabled the "switch" insn that needs it.
8018 2006-06-01 Per Bothner <bothner@bothner.com>
8020 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8021 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8022 * c-ppoutput.c (cb_define): Don't increment line 0.
8024 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8026 * doc/invoke.texi: Add cpu_type power6.
8027 * config.gcc: Add cpu_type power6.
8028 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8029 to power5+ with Altivec.
8030 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8031 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8033 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8035 * config/avr/avr.h (SET_ASM_OP): Define.
8037 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8039 * config/bfin/bfin.c: Fix comment typos.
8041 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8044 * doc/install.texi: Document --enable-bootstrap and
8045 --disable-bootstrap.
8047 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8049 * doc/install.texi: Document that InfoZIP can replace jar.
8051 2006-05-31 Roger Sayle <roger@eyesopen.com>
8053 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8054 isn't available, directly generate the simpler x87 patterns without
8055 the (use (const_int 0)).
8056 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8057 implementation isn't available.
8058 (*negdf2_1): Likewise.
8059 (*negxf2_1): XF mode negation is always done using the x87.
8060 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8062 2006-05-31 Roger Sayle <roger@eyesopen.com>
8064 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8065 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8067 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8069 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8071 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8072 * config/bfin/bfin.c (basic-block.h): Include.
8073 (struct machine_function): New.
8074 (bfin_init_machine_status): New.
8075 (override_options): Initialize init_machine_status.
8076 (bfin_hardware_loop): New.
8077 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8078 (DEF_VEC_P (loop_info)): New.
8079 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8080 (struct loop_info): New.
8081 (loop_info): New typedef.
8082 (struct loop_work): New.
8083 (loop_work): New typedef.
8084 (DEF_VEC_O (loop_work)): New.
8085 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8086 (bfin_dump_loops): New.
8087 (bfin_bb_in_loop): New.
8088 (bfin_scan_loop): New.
8089 (bfin_optimize_loop): New.
8090 (bfin_reorg_loops): New.
8091 (bfin_reorg): Use bfin_reorg_loops.
8092 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8094 (I_REGNO_P): Simplify.
8095 (DP_REGNO_P, DPREG_P): New macros.
8096 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8097 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8098 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8099 Add LT_REGS, LC_REGS, LB_REGS.
8100 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8102 (REGNO_REG_CLASS): Deal with loop registers.
8103 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8105 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8106 New constants for loop registers.
8107 (UNSPEC_LSETUP_END): New.
8108 (seq_insns): New define_attr. Set it for appropriate insns.
8109 (movsi_insn): Add alternatives for move from/to
8110 loop count registers.
8111 (doloop_end): New define_expand.
8112 (loop_end): New define_insn.
8113 (define_split for bad doloop_end): New.
8114 (lsetup_with_autoinit): New define_insn.
8115 (lsetup_without_autoinit): New define_insn.
8116 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8117 * config/bfin/predicates.md (lc_register_operand): New.
8118 (lt_register_operand): New.
8119 (lb_register_operand): New.
8120 (nondp_register_operand): New.
8121 (nondp_reg_or_memory_operand): New.
8122 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8124 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8126 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8127 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8129 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8131 * Makefile.in (CATALOGS): Add po/ prefix.
8132 * configure: Regenerated.
8134 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8137 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8138 a shift operand before calling shift_op. Avoid redundant call of
8141 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8142 DJ Delorie <dj@redhat.com>
8144 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8145 we're inserting is a singlt-bit constant.
8147 2006-05-30 Roger Sayle <roger@eyesopen.com>
8149 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8150 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8152 2006-05-30 Roger Sayle <roger@eyesopen.com>
8154 PR tree-optimization/23452
8155 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8156 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8157 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8158 complex values and with -ffast-math for FP complex values.
8160 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8162 * c-common.h: Remove the prototype for yyparse.
8163 * rtl.h: Remove the prototype for init_loop.
8165 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8167 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8170 2006-05-30 Roger Sayle <roger@eyesopen.com>
8172 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8174 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8175 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8177 2006-05-30 Dirk Mueller <dmueller@suse.de>
8180 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8181 for CONSTANT_CLASS_P expresisons.
8183 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8186 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8188 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8190 PR tree-optimization/27779
8191 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8192 initial_condition instead of CHREC_LEFT.
8194 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8196 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8197 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8198 Make prototypes ISO C90.
8200 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8201 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8203 * see.c (see_analyze_one_def): Correct check.
8204 (see_get_extension_data): Check if extension is parallel.
8205 (see_get_extension_reg): Likewise.
8207 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8210 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8211 into register for (code == GTU).
8213 2006-05-29 Roger Sayle <roger@eyesopen.com>
8215 PR tree-optimization/24964
8216 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8217 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8218 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8219 abs(x)*abs(x) as x*x for scalar floating point modes.
8221 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8224 * lambda-code.c (perfect_nestify): Don't copy statements
8225 in the inner loop: move them to the inner loop header.
8227 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8230 * c-tree.texi: Document OpenMP directives and clauses.
8232 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8234 * varasm.c (globalize_decl): Fix indentation.
8236 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8239 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8240 pass_fre, pass_store_ccp, pass_copy_prop,
8241 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8242 pass_return_slot, pass_object_size, pass_lim,
8243 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8244 pass_loop_prefetch and pass_stdarg.
8246 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8248 * config/bfin/bfin.opt (mfdpic): New option.
8249 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8250 (EXTRA_MULTILIB_PARTS): Likewise.
8251 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8252 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8254 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8255 (CRT_CALL_STATIC_FUNCTION): New.
8256 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8258 (CRT_CALL_STATIC_FUNCTION): New.
8259 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8261 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8262 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8263 (initialize_trampoline): Changed to handle FD-PIC code generation.
8264 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8265 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8266 (override_options): Disallow -mid-shared-library -mfdpic combination.
8267 Can't do unaligned ops if FD-PIC.
8268 Turn off flag_pic if trying to generate non-id-shared-library
8269 non-fdpic code, since it's not supported.
8270 (bfin_assemble_integer): New function.
8271 (TARGET_ASM_INTEGER): Define.
8272 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8274 * config/bfin/crtn.s: Restore them.
8275 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8277 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8278 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8279 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8280 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8281 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8283 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8284 FDPIC_REGS and FDPIC_FPTR_REGS.
8285 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8286 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8287 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8288 (load_funcdescsi): New pattern.
8289 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8290 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8291 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8293 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8295 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8298 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8300 * tree-flow.h: Remove the prototype for add_type_alias.
8301 * tree-ssa-alias.c (add_type_alias): Remove.
8303 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8305 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8306 config/fr30/fr30.md, config/i386/i386-interix.h,
8307 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8308 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8309 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8310 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8311 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8312 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8313 Follow spelling conventions.
8314 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8315 Follow spelling conventions.
8317 2006-05-27 Richard Guenther <rguenther@suse.de>
8320 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8321 to produce a constant of value 1 of generic type.
8323 2006-05-27 Dirk Mueller <dmueller@suse.de>
8325 * cgraphunit.c (decide_is_function_needed): Fix wrong
8328 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8330 PR rtl-optimization/27661
8331 * reload.c (find_reloads): When reloading a VOIDmode constant
8332 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8333 use Pmode as mode of the reload register.
8335 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8337 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8338 is enabled at -O and above.
8340 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8343 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8346 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8349 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8350 for anonymous variables explicitly declared by front ends.
8352 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8354 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8355 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8356 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8357 ref-all pointers, run a finalization pass for them.
8358 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8359 (finalize_ref_all_pointers): New function.
8360 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8361 regular pointer type to a ref-all pointer type.
8362 (get_tmt_for): Return the special memory tag for ref-all pointers.
8364 2006-05-25 Richard Guenther <rguenther@suse.de>
8367 * fold-const.c (fold_binary): Do not look at the stripped
8368 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8370 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8372 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8373 for LT and GT if the computed range is effectively empty.
8375 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8378 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8379 mips_quad_format formats instead of ieee_single_format,
8380 ieee_double_format and ieee_quad_format formats, respectively.
8382 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8384 PR tree-optimization/27639
8385 PR tree-optimization/26719
8386 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8387 call to scev_probably_wraps_p.
8388 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8389 used_in_pointer_arithmetic_p, convert_step): Removed.
8390 (nowrap_type_p): New function.
8391 (scev_probably_wraps_p): Rewritten.
8392 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8393 chrec_convert if chrec_convert_aggressive might have been used.
8394 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8395 scev_direction): New functions.
8396 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8397 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8398 instead of convert_step.
8399 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8400 (convert_step): Declaration removed.
8401 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8403 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8405 * df-core.c: Added to header comments.
8406 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8407 df_ur_bb_info, df_urec_bb_info): Added comments.
8408 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8409 urec, ri problems): Fixed header comments.
8410 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8411 code from df_rd_transfer_function.
8413 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8415 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8416 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8417 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8419 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8421 * expr.c (undefined_operand_subword_p): New.
8422 (emit_move_multi_word): Do not generate move from undefined bits
8423 of a paradoxical subreg.
8425 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8427 PR rtl-optimization/27736
8428 * combine.c (replaced_rhs_value): New variable.
8429 (combine_instructions): Set it.
8430 (distribute_notes): When distributing a note in replaced_rhs_insn,
8431 check whether the value was used in replaced_rhs_value.
8433 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8436 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8437 add_referenced_var instead of add_referenced_tmp_var.
8438 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8439 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8441 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8442 tree_optimize_tail_calls_1): Use add_referenced_var.
8443 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8444 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8445 Use add_referenced_var.
8446 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8447 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8448 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8449 Use add_referenced_var.
8450 * tree-dfa.c (struct walk_state): Remove.
8451 (find_referenced_vars): Remove walk state and vars_found hash table.
8452 (make_rename_temp): Use add_referenced_var.
8453 (find_vars_r): Pass less parameters to add_referenced_var.
8454 (referenced_var_p): New. Is var in referenced_var hash table.
8455 (referenced_var_insert): Assert var isn't already in hash table.
8456 (add_referenced_var): Don't need walk_state parameter. Add var if it
8457 isn't already in the hash table.
8458 (add_referenced_tmp_var): Remove.
8459 (find_new_referenced_vars_1): Use add_referenced_var.
8460 * tree-ssa-pre.c (create_expression_by_pieces,
8461 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8462 Use add_referenced_var.
8463 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8464 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8465 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8467 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8468 vect_create_data_ref_ptr, vect_create_destination_var,
8469 vect_init_vector, vect_build_loop_niters,
8470 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8471 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8472 Use add_referenced_var.
8473 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8474 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8475 (add_referenced_var): Add prototype.
8476 * tree-ssa-structalias.c (get_constraint_for,
8477 intra_create_variable_infos): Use add_referenced_var.
8479 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8481 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8482 big-endian paradoxical subregs.
8483 * var-tracking.c (struct micro_operation_def): Document that,
8484 for modify micro operations, insn is the subsequent instruction.
8485 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8486 (var_reg_set, var_mem_set): ... new functions.
8487 (add_stores): Record subsequent insn.
8488 (compute_bb_dataflow): Use new functions for MO_USE.
8489 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8490 notes after the insn, and modify notes before the insn known
8491 to be the subsequent one.
8492 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8494 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8497 * config/i386/i386.c (ix86_expand_builtin): Use
8498 gen_sse3_monitor64 for TARGET_64BIT.
8500 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8502 PR rtl-optimization/26375
8503 PR rtl-optimization/26855
8504 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8506 (df_ru_bb_local_compute): Reversed statements and removed bogus
8507 comment explaining why they should be in wrong order.
8508 (df_ru_dump, df_rd_dump): Enhanced debug info.
8509 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8511 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8512 reaching uses and fixed space problem.
8514 2006-05-23 Jan Hubicka <jh@suse.cz>
8516 * cgraphunit.c (decide_is_function_needed): Also nested functions
8517 and functions declared inline can be optimized out at -O0.
8519 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8521 * doc/install.texi (Configuration): Remove reference to CrossGCC
8525 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8528 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8529 ix86_compare_emitted is non-NULL.
8531 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8534 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8537 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8539 PR rtl-optimization/25514
8540 * combine.c (replaced_rhs_insn): New variable.
8541 (combine_instructions): Set replaced_rhs_insn when trying to replace
8542 a SET_SRC with a REG_EQUAL note.
8543 (distribute_notes): Use replaced_rhs_insn when determining the live
8544 range of a REG_DEAD register.
8546 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8547 Anatoly Sokolov <aesok@post.ru>
8549 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8550 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8551 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8552 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8553 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8554 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8555 at90usb647, at90usb1286 and at90usb1287 devices.
8556 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8557 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8559 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8561 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8563 2006-05-22 Richard Guenther <rguenther@suse.de>
8566 2006-01-31 Richard Guenther <rguenther@suse.de>
8567 Paolo Bonzini <bonzini@gnu.org>
8569 * doc/install.texi (--disable-libgcc-math): Document.
8571 2006-05-22 Richard Guenther <rguenther@suse.de>
8574 2006-01-31 Richard Guenther <rguenther@suse.de>
8576 * doc/invoke.texi (-msselibm): Document.
8577 * target.h (expand_library_builtin): New target hook.
8578 * builtins.c (expand_builtin): Use expand_library_builtin.
8579 (default_expand_library_builtin): New function.
8580 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8581 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8582 (link_gcc_math_spec): Declare.
8583 (static_specs): Add link_gcc_math_spec.
8584 * expr.h (default_expand_library_builtin): Declare.
8585 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8586 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8587 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8588 * config/i386/i386.opt (msselibm): New target option.
8589 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8590 (ix86_init_sse_abi_builtins): New function.
8591 (ix86_expand_library_builtin): Likewise.
8592 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8593 (override_options): Handle error conditions wrt -msselibm.
8594 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8595 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8596 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8599 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8602 * c-common.c (self_promoting_args_p): Skip erroneous args.
8605 * c-decl.c (finish_struct): Skip erroneous fields.
8607 2006-05-22 Nick Clifton <nickc@redhat.com>
8609 * config/cris/cris.opt (march): Remove VarExists attribute.
8610 (max-stackframe=): Likewise.
8612 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8614 * doc/rtl.texi: Fix a typo.
8615 * see.c: Fix comment typos.
8617 * tree-ssa-structalias.h (alias_info): Remove num_references.
8619 2006-05-21 Mike Stump <mrs@apple.com>
8621 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8623 (darwin_pragma_options): Use BAD instead.
8624 (darwin_pragma_unused): Likewise.
8625 (darwin_pragma_ms_struct): Likewise.
8627 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8629 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8631 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8633 PR rtl-optimization/27671
8634 * simplify-rtx.c (simplify_relational_operation_1): Fix
8635 simplifications of (eq/ne (xor x y) y) and
8636 (eq/ne (xor x y) x).
8638 PR tree-optimization/26622.
8639 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8642 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8644 * tree-cfg.c: Prune whitespace.
8645 (debug_tree_cfg): Point to correct header containing the
8648 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8651 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8653 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8656 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8657 or sorry count is non zero.
8659 2006-05-20 Andreas Schwab <schwab@suse.de>
8661 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8663 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8664 Kenneth Zadeck <zadeck@naturalbridge.com>
8666 PR rtl-optimization/26855
8668 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8670 (df_scan_alloc): Added code to properly handle multiword hard
8671 registers and add all_blocks parameter.
8672 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8673 code to properly handle multiword hard registers.
8674 (df_rescan_blocks): Added code to remove deleted blocks from
8676 (df_ref_create_structure, df_ref_record): Added code to properly
8678 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8679 and set DF_REF_PARTIAL.
8680 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8681 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8682 (df_scan_add_problem): Added flags parameter.
8683 (df_ref_create_structure): Changed switching structure.
8684 (df_bb_refs_record): Fixed case where duplicate artificial refs
8685 were created. Changed location of flags.
8686 (df_record_entry_block_defs): Added code to make stack pointer
8687 live in entry block. Refined cases where frame pointer is needed.
8688 Changed location of flags.
8689 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8690 (df_set_state): Removed function.
8691 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8692 df_insn_create_insn_record, df_insn_refs_delete,
8693 df_ref_create_structure): Formatting changes.
8694 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8695 df_delete_basic_block): New function.
8696 (df_init): Changed location of flags.
8697 (df_add_problem): Added flags parameter and the way flags are
8699 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8700 debug_df_chain): Improved debugging output.
8701 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8702 (df_refs_chain_dump): Removed df parameter.
8703 (df_iterative_dataflow): Added consistency check.
8704 (df_prune_to_subcfg): Made public.
8705 (df_analyze_problem): Added blocks_to_init parameter and made
8707 (df_ref_record, df_bb_refs_record, df_mark_reg,
8708 df_record_exit_block_uses): Whitespace changes.
8709 (df_dump): Whitespace changes.
8710 * df.h: Some reordering to remove forward references.
8711 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8712 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8713 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8714 (dataflow.flags): New field.
8715 (df.flag): Deleted field.
8716 (df_alloc_function): Added additional bitmap parameter.
8717 (df_dependent_problem_function): New type.
8718 (df_problem.changeable_flags): New field.
8719 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8720 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8721 (df_mw_hardreg): New struct.
8722 (DF_INSN_UID_MWS): New macro.
8723 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8725 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8726 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8727 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8728 (df_set_state): Removed function.
8729 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8730 * df-problems.c (df_chain_dump): Removed df parameter.
8731 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8732 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8734 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8735 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8736 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8737 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8738 DF_REF_MUST_CLOBBER cases.
8739 (df_ru_bb_local_compute_process_def,
8740 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8741 df_lr_bb_local_compute, df_ur_bb_local_compute,
8742 df_chain_create_bb): Made subreg aware.
8743 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8744 df_lr_bb_local_compute, df_lr_bb_local_compute,
8745 df_chain_create_bb): Cleanup to use proper macros.
8746 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8747 code to fixup bitvectors.
8748 (df_ri_alloc): Cleared lifetime.
8749 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8750 df_create_unused_note): New function.
8751 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8752 REG_DEAD and REG_UNUSED notes as well as register information.
8753 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8754 df_chains_dump): Fixed crash if problem was never run.
8755 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8756 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8757 df_ri_add_problem): Processes flags in uniform manner.
8758 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8759 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8760 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8761 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8762 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8763 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8764 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8765 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8766 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8767 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8768 * see.c (see_initialize_data): Ditto.
8769 * final.c (rest_of_clean_state) Added regstack_completed.
8770 * rtl.h (regstack_completed): Ditto.
8771 * reg-stack.c (regstack_completed): Ditto.
8773 2006-05-19 Mike Stump <mrs@apple.com>
8775 * c-tree.h (default_conversion): Remove.
8776 * c-common.h (default_conversion): Add.
8778 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8780 * tree-vrp.c (valid_value_p): New function.
8781 (adjust_range_with_scev): Fail if the value of bound is not
8784 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8786 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8787 (mips_fallback_frame_state): Use syscall numbers to determine
8788 the appropriate li instruction for the current ABI. Only use
8789 __NR_sigreturn for o32.
8791 2006-05-19 Nicolas Setton <setton@adacore.com>
8793 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8794 * langhooks.c (lhd_dwarf_name): New function.
8795 * langhooks-def.h (lhd_dwarf_name): Declare.
8796 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8797 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8799 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8801 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8803 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8804 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8805 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8806 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8807 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8808 determine the size of Wtype, etc.
8809 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8810 (swfloatfuncs): New variable.
8811 (dwfloatfuncs): Likewise.
8812 (lib2funcs): Remove floating-point conversion functions from
8813 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8814 the set of conversion routines needed. Allow entries to specify
8815 an object name, filename and word size. Update users accordingly.
8816 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8817 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8821 2006-02-08 Roger Sayle <roger@eyesopen.com>
8824 * config/fixtfdi.c: New libgcc source file.
8825 * config/fixunstfdi.c: New source file.
8826 * config/floatditf.c: New source file.
8827 * config/floatunditf.c: New souce file.
8828 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8829 files above instead of config/mips/_tilib.c.
8830 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8832 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8834 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8835 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8837 2006-05-18 Mike Stump <mrs@apple.com>
8839 Fix up vla, vm and [*] sematics.
8845 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8846 (c_vla_unspec_p): Add.
8847 (c_vla_type_p): Add.
8848 * c-decl.c (struct c_scope): Add had_vla_unspec.
8849 (build_array_declarator): Add support for [*].
8850 (grokdeclarator): Likewise.
8851 (grokparms): Likewise.
8852 (get_parm_info): Likewise.
8853 * c-objc-common.c (c_vla_unspec_p): Likewise.
8854 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8855 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8856 typeof when argument is a variably modified type not inside sizeof or alignof.
8857 (c_parser_direct_declarator_inner): Propagate errors.
8858 (c_parser_sizeof_expression): Add support for [*].
8859 (c_parser_parms_declarator): Initialize had_vla_unspec.
8860 (c_parser_parms_list_declarator): Likewise.
8861 * c-typeck.c (c_vla_type_p): Add.
8862 (composite_type): Add support for vla compositing.
8863 (comptypes_internal): Add support for vla compatibility.
8864 (c_expr_sizeof_expr): Evaluate vla arguments.
8865 * tree.c (variably_modified_type_p): Update comment for [*].
8867 2006-05-18 Michael Matz <matz@suse.de>
8870 * config.host: Make assignments to host_xmake_file cumulative.
8871 * config.host (*-darwin*): Test $host, not $target.
8873 2006-05-12 Stuart Hastings <stuart@apple.com>
8875 * config/i386/i386.opt (-mstackrealign): New flag.
8876 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8877 (ix86_handle_cconv_attribute): Emit error when
8878 force_align_arg_pointer attribute collides with too many regparms.
8879 (ix86_function_regparm): Limit regparms when used with
8880 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8881 Support stack-realigning prologue in non-main functions. Emit
8882 warning for nested functions under -mstackrealign, emit error for
8883 nested functions with force_align_arg_pointer attribute.
8884 * doc/extend.texi (force_align_arg_pointer): Document it.
8885 * doc/invoke.texi (-mstackrealign): Document it.
8887 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8889 PR rtl-optimization/27477
8890 * combine.c (try_combine): Don't split a parallel consisting
8891 of two sets into two individual sets if both sets reference
8894 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8896 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8897 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8899 * doc/options.texi (VarExists): Updated.
8901 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8903 * unwind-dw2.c: Add declarations for uw_update_context and
8905 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8906 detected, advance frame state and context once to skip over stub.
8908 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8912 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8913 Call rewrite_into_loop_closed_ssa only when something changed.
8914 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8915 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8916 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8917 Test for perfect_nest_p here. Fix formating.
8918 (replace_uses_equiv_to_x_with_y): Fix formating.
8919 (stmt_uses_op): Removed.
8920 (can_convert_to_perfect_nest): Removed loopivs parameter.
8921 Complete the test by checking the scalar dependences.
8922 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8925 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8928 From Dan Kegel <dank@kegel.com>:
8929 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8931 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8933 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8934 if the element type is variably modified without recursing.
8936 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8939 * tree-loop-linear.c (try_interchange_loops): Test for
8940 no data dependences.
8942 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8944 PR tree-optimization/27548
8945 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8946 range of ssa names that appear on abnormal edges.
8947 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
8948 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
8950 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8953 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
8955 2006-05-17 Jakub Jelinek <jakub@redhat.com>
8958 * tree.h (OMP_PARALLEL_COMBINED): Define.
8959 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
8960 (new_omp_context): Add is_combined_parallel argument.
8961 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
8962 new_omp_context caller.
8963 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
8964 Adjust gimplify_scan_omp_clauses callers.
8965 (omp_is_private): Issue errors if iteration variable is firstprivate
8966 or reduction in the current context.
8967 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
8968 on combined parallel workshare constructs.
8970 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8972 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
8973 (gcc-options.o): New rule.
8975 * optc-gen.awk: Protect variables for gcc-options.o with
8976 #ifdef GCC_DRIVER/#endif.
8978 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
8980 Fix PR tree-optimization/27373
8981 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
8982 (forward_propagate_addr_expr): Update call.
8984 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8986 * doc/options.texi: Move the Negative option.
8988 2006-05-16 Richard Guenther <rguenther@suse.de>
8990 PR tree-optimization/22303
8991 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
8993 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
8994 ccp_fold did not simplify the statement.
8996 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
8999 * Makefile.in (GCC_OBJS): New.
9000 (OBJS-common): Add opts-common.o.
9001 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9002 (cpp$(exeext)): Likewise.
9003 (gcc.o): Also depend on opts.h.
9004 (opts-common.o): New.
9006 * common.opt (gcoff): Add Negative(gdwarf-2).
9007 (gdwarf-2): Add Negative(gstabs).
9008 (gstabs): Add Negative(gstabs+).
9009 (gstabs+): Add Negative(gvms).
9010 (gvms): Add Negative(gxcoff).
9011 (gxcoff): Add Negative(gxcoff+).
9012 (gxcoff+): Add Negative(gcoff).
9013 * config/i386/i386.opt (m32): Add Negative(m64).
9014 (m64): Add Negative(m32).
9016 * doc/options.texi: Document the Negative option.
9018 * gcc.c: Include "opts.h".
9019 (main): Call prune_options after expandargv.
9021 * optc-gen.awk: Generate common declarations for all flag
9022 variables in options.c. Output the neg_index field.
9024 * opts.c (find_opt): Moved to ...
9025 * opts-common.c: Here. New file.
9027 * opts.h (cl_option): Add a neg_index field.
9029 (prune_options): Likewise.
9031 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9034 * omp-low.c (expand_omp_parallel): Don't assert
9035 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9036 instead search for it.
9039 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9042 2006-05-16 Andreas Schwab <schwab@suse.de>
9044 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9047 2006-05-15 Roger Sayle <roger@eyesopen.com>
9050 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9051 integer constants other than zero are only legitimate on TARGET_64BIT.
9052 <CONST_VECTOR> Only zero vectors are legitimate.
9053 (ix86_cannot_force_const_mem): Integral and vector constants can
9054 always be put in the constant pool.
9056 2006-05-16 DJ Delorie <dj@redhat.com>
9058 * crtstuff.c (__dso_handle): Set section from
9059 TARGET_LBIGCC_SDATA_SECTION if defined.
9060 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9061 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9063 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9066 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9069 2006-05-16 Ben Elliston <bje@au.ibm.com>
9071 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9073 2006-05-15 Per Bothner <per@bothner.com>
9075 * tree.c: (last_annotated_node): Use source_locus typedef.
9076 This permits bootstrapping with --enable-mapped-location.
9078 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9080 PR tree-optimization/26830
9081 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9082 (info_for_ssa_name, current_info_for_ssa_name_age,
9083 blocks_to_update): New variables.
9084 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9085 (clear_ssa_name_info, initialize_flags_in_bb,
9086 mark_block_for_update): New functions.
9087 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9088 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9089 prepare_def_site_for): Use mark_block_for_update.
9090 (mark_def_interesting): Assert that the processed block is marked in
9091 blocks_to_update. Do not take blocks argument.
9092 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9094 (rewrite_update_init_block, rewrite_update_stmt): Only process
9095 blocks with statements to rewrite.
9096 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9097 (update_ssa): Initialize and free blocks_to_update. Do not
9098 clear flags on statements. Do not use blocks bitmap.
9099 * tree.h (SSA_NAME_AUX): Removed.
9100 (struct tree_ssa_name): Removed aux field.
9101 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9103 2006-05-15 Richard Guenther <rguenther@suse.de>
9105 PR tree-optimization/27603
9106 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9107 Do computations in original type.
9109 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9111 * see.c: Code style changes such as redundant paranthesis,
9112 redundant intialization of local variables etc.
9113 (see_main): Declared now as static.
9114 * doc/invoke.texi: Update that -fsee is not enabled by
9117 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9119 * omp-low.c (check_omp_nesting_restrictions): New function.
9120 (scan_omp_1): Call it.
9123 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9124 construct, return *VAR.
9126 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9128 PR rtl-optimization/27406
9129 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9132 2006-05-14 Roger Sayle <roger@eyesopen.com>
9134 PR rtl-optimization/27538
9135 * combine.c (expand_compound_operation): Call gen_lowpart
9136 before calling simplify_shift_const.
9138 2006-05-14 Roger Sayle <roger@eyesopen.com>
9140 PR rtl-optimization/22563
9141 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9142 a fixed width bitfield, always force the intermediates into psuedos.
9144 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9147 * mkconfig.sh: Use operator = instead of == for test.
9149 2006-05-13 Nick Clifton <nickc@redhat.com>
9151 * dwarf2out.c (dbx_reg_number): Check return value from
9152 LEAF_REG_REMAP and only use it if it is valid.
9153 (multiple_reg_loc_descriptor): Likewise.
9155 2006-05-13 Richard Guenther <rguenther@suse.de>
9157 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9160 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9162 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9163 information attached to non-INSNs such as NOTEs.
9164 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9166 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9168 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9170 * config/s390/s390.md: Adjust comment describing On constraint.
9172 2006-05-11 Jan Hubicka <jh@suse.cz>
9174 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9175 to be output at -O0.
9177 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9180 * fold-const.c (size_binop): Move sanity check for arguments to
9181 the beginning of the function.
9184 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9187 2006-05-11 Richard Guenther <rguenther@suse.de>
9190 * fold-const.c (fold_unary): Handle intermediate conversion
9191 to a pointer type like intermediate conversion to an integer
9192 type in folding of (T1)(T2)var to var.
9193 Match the code to the comment in the final conversion for
9194 (T1)(T2)var to (T1)var regarding to type precision. Rather
9195 than disallow T1 being of pointer type, assert that both T1
9196 and var are of pointer type or not. Make sure not to fall
9197 over the frontends lazyness wrt array to pointer decay though.
9199 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9201 * arm.c (arm_struct_value_rtx): Delete.
9202 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9203 (arm_init_cumulative_args): Always initialize nregs to zero.
9205 2006-05-10 Richard Guenther <rguenther@suse.de>
9207 PR tree-optimization/27532
9208 * tree-object-size.c (plus_expr_object_size): Fix typo.
9210 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9213 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9214 ashrdi_const, ashrdi3): Use a scratch register.
9216 2006-05-10 Richard Guenther <rguenther@suse.de>
9218 PR tree-optimization/27302
9219 * fold-const.c (operand_equal_p): For two comparisons,
9220 try comparison of one comparison code swapped if that yields
9223 2006-05-10 Ben Elliston <bje@au.ibm.com>
9225 * tree-pretty-print.c (pretty_print_string): No need to handle
9226 '\0' as a special character.
9228 * tree.h: Include "hashtab.h".
9229 (iterative_hash_expr): Use hashval_t in its prototype.
9230 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9232 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9235 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9236 (hppa*64*-*-hpux11*): Ditto.
9237 (hppa[12]*-*-hpux11*): Ditto.
9239 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9242 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9244 2006-05-09 Michael Matz <matz@suse.de>
9246 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9247 host_extra_gcc_objs and host_xmake_file.
9248 (<*-*-linux*>): Don't overwrite host_xmake_file.
9249 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9250 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9251 (host_detect_local_cpu): Declare.
9252 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9253 * config/i386/i386.c (override_options): Handle -mtune=native
9255 * config/i386/x-i386: New file.
9256 * config/i386/driver-i386.c: New file.
9257 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9260 2006-05-09 Dirk Mueller <dmueller@suse.de>
9261 Richard Guenther <rguenther@suse.de>
9264 * fold-const.c (fold_read_from_constant_string): Relax check
9265 for matching types to matching modes.
9267 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9269 PR rtl-optimization/27335
9270 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9273 2006-05-08 Chao-ying Fu <fu@mips.com>
9274 Richard Sandiford <richard@codesourcery.com>
9276 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9277 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9278 * config/mips/mips.md (UNSPEC_SCC): New constant.
9279 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9280 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9281 (mips_emit_compare): Use it.
9282 (mips_expand_vcondv2sf): New function.
9284 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9286 Fix PR tree-optimization/27093
9287 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9288 renaming when they become not-used_alone.
9290 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9292 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9293 relocation and relocation stubs.
9295 2006-05-08 Eric Christopher <echristo@apple.com>
9297 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9300 2006-05-08 Jan Hubicka <jh@suse.cz>
9303 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9304 unused static functions are needed.
9306 2006-05-08 Roger Sayle <roger@eyesopen.com>
9309 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9310 of a reg_equiv_constant if the result is a legitimate constant.
9312 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9315 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9316 standard 80387 constants, raise the cost to prevent
9317 compress_float_constant() to generate load from memory.
9319 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9321 * config/arm/constraints.md (c): Fix a typo.
9323 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9326 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9329 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9331 (_mm_mwait): Likewise.
9333 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9335 (sse3_monitor): Make it 32bit only.
9336 (sse3_monitor64): New. 64bit monitor.
9338 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9341 * config/i386/i386.c (classify_argument): Skip fields with invalid
9344 2006-05-07 Richard Guenther <rguenther@suse.de>
9346 PR tree-optimization/27409
9347 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9348 Do not try to find zero-sized subvars.
9350 2006-05-07 Richard Guenther <rguenther@suse.de>
9352 PR tree-optimization/27136
9353 * tree-ssa-loop-niter.c (get_val_for): Correct function
9354 comment, assert requirements.
9355 (loop_niter_by_eval): Stop processing if the iterated
9356 value did not simplify.
9358 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9360 * opts.c (flag_see): remove its setting at -O3.
9362 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9364 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9365 * arm/constraints.md: New file.
9366 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9367 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9368 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9369 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9370 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9371 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9372 * arm.md: Include constraints.md.
9373 (thumb_movsi_insn): Use satisfies_constraint_J.
9374 (movhi, movqi): Use satisfies_constraint_I.
9376 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9378 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9379 for atmeg a645 device.
9381 2006-05-06 Richard Guenther <rguenther@suse.de>
9383 PR tree-optimization/27151
9384 * tree-vect-transform.c (vectorizable_condition): Punt on
9385 values that have a different type than the condition.
9387 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9390 * c-parser.c (c_parser_cast_expression): Only insert casts into
9391 hash table if pointer.
9392 * function.c (used_types_insert_helper): Rename from
9394 (used_types_insert): Call used_types_insert_helper.
9395 * function.h (used_types_insert): Accept only one argument.
9397 2006-05-05 David Edelsohn <edesohn@gnu.org>
9399 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9400 scratch with output modifier.
9402 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9405 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9406 with output modifier.
9408 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9411 * config/mips/mips.c (mips_symbolic_address_p): Return true
9412 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9413 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9415 2006-05-04 Richard Guenther <rguenther@suse.de>
9417 PR tree-optimization/14287
9418 PR tree-optimization/14844
9419 PR tree-optimization/19792
9420 PR tree-optimization/21608
9421 PR tree-optimization/27090
9422 * tree-ssa-pre.c (try_combine_conversion): New function.
9423 (compute_avail): After constructing the value-handle
9424 expression, use try_combine_conversion to combine NOP_EXPRs
9425 with previous value-handle expressions and use the result if it
9428 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9430 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9432 2006-05-04 Jan Hubicka <jh@suse.cz>
9435 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9437 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9439 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9440 that this only matches CONST_INTs. All users changed to VOIDmode
9443 * config/bfin/bfin.c: Include "optabs.h".
9444 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9446 (enum bfin_builtins): Add a number of fractional and vector builtins.
9447 (bfin_init_builtins): Likewise.
9448 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9449 (safe_vector_operand, bfin_expand_binop_builtin,
9450 bfin_expand_unop_builtin): New functions.
9451 (bfin_expand_builtin): Handle the new builtins.
9452 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9455 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9458 * Makefile.in (OBJS-common): Add see.o.
9459 (see.o): Add dependencies.
9460 * common.opt (fsee): New flag for the see optimization was added.
9461 * opts.c (flag_see): Initialized.
9462 * passes.c (init_optimization_passes, pass_see): New pass.
9463 * rtl.h (see_main): Declaration as extern.
9464 * timevar.def (TV_SEE): New.
9465 * tree-pass.h (pass_see): Declaration as extern.
9466 * invoke.texi (-fsee): Document.
9467 * recog.c (validate_simplify_insn): New function.
9468 * recog.h (validate_simplify_insn): Declaration as extern.
9469 * df-problems.c (df_chain_dump): Check for NULL.
9471 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9472 Daniel Berlin <dberlin@dberlin.org>
9474 * cfgrtl.c (insert_insn_bb_end_new): New function.
9475 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9477 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9479 * df.h (struct web_entry): Moved from web.c.
9480 (union_defs): Declaration as extern.
9481 (unionfind_root): Likewise.
9482 (unionfind_union): Likewise.
9483 * web.c (struct web_entry): Moved to df.h.
9484 (unionfind_root): Remove static declaration.
9485 (unionfind_union): Likewise.
9486 (union_defs): Likewise and generalize to use callback function.
9487 (web_main): Update arguments for union_defs function call.
9489 2006-05-04 Richard Guenther <rguenther@suse.de>
9491 PR tree-optimization/26447
9492 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9493 produce SSA_NAME copies before the store stmt to avoid
9494 breaking exception handling.
9496 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9499 * gimplify.c (omp_is_private): If var is shared in some outer context,
9500 return false instead of true. Stop searching on parallel context
9503 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9506 * coverage.c: Use get_gcov_unsigned_t() instead of
9507 unsigned_type_node all over.
9509 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9511 PR tree-optimization/27381
9512 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9513 maintain the same immediate_use links.
9514 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9515 node rather than segfaulting.
9517 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9520 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9521 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9522 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9524 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9526 Fix PR tree-optimization/26626
9527 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9529 * tree-ssa-operands.c (access_can_touch_variable): Allow
9530 typecasting through union pointers.
9532 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9535 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9536 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9537 to find if var will be a global variable even in the nested context.
9538 (omp_copy_decl): Only check for global variable at the end, it might
9539 be overridden in outer contexts.
9540 (scan_sharing_clauses): For global variables don't create a field.
9541 (lower_rec_input_clauses): Do nothing for global shared variables.
9542 Emit a barrier at the end of ILIST if there were any decls in both
9543 firstprivate and lastprivate clauses.
9544 (lower_send_clauses): Do nothing for global variables except for
9547 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9549 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9550 of the correct signedness is returned.
9552 2006-05-02 Jeff Law <law@redhat.com>
9554 PR tree-optimization/27364
9555 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9556 multiply expressions.
9558 2006-05-02 Tom Tromey <tromey@redhat.com>
9560 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9562 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9565 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9566 -mthumb -fPIC are used.
9568 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9569 Joshua Kinard <kumba@gentoo.org>
9572 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9573 with 64-bit pointers.
9575 2006-05-02 Paul Brook <paul@codesourcery.com>
9577 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9579 (create_fix_barrier): Check that a suitable barrier location is
9581 (arm_reorg): Include ftmp->address in allowable range of addresses.
9583 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9586 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9589 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9592 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9593 around RESULT_DECL for result passed by reference.
9594 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9595 * omp-low.c (use_pointer_for_field): Don't look at
9596 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9597 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9598 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9599 time or var for passing by reference for
9600 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9601 TREE_ADDRESSABLE variables when passing by reference.
9603 * omp-low.c (dump_omp_region): Fix output formatting.
9606 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9607 (expand_omp_parallel): Likewise.
9608 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9611 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9612 on statement list containing also constructors and destructors.
9613 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9616 * except.c (duplicate_eh_regions): Fix clearing of
9617 cfun->eh->region_array entries.
9619 2006-05-01 DJ Delorie <dj@redhat.com>
9621 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9623 (gcc_cv_objdump): Likewise.
9624 * configure: Regenerated.
9626 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9629 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9630 templates for case 3 and 4.
9632 2006-05-01 DJ Delorie <dj@redhat.com>
9634 * vec.c: Include bconfig.h when appropriate.
9635 * Makefile.in (build/vec.o): Adjust dependencies.
9636 * mkconfig.sh: Make sure config.h isn't used for build machine
9639 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9641 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9643 (mark_phi_for_rewrite): New function.
9644 (insert_phi_nodes_for, mark_use_interesting): Call
9645 mark_phi_for_rewrite.
9646 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9647 (update_ssa): Initialize and free phis_to_rewrite.
9649 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9651 PR rtl-optimization/27291
9652 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9653 folded to a constant.
9655 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9657 PR tree-optimization/27283
9658 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9659 not whole # of iteration descriptions.
9660 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9661 uses abnormal ssa name.
9662 (niter_for_single_dom_exit): Ditto.
9663 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9664 return just the number of iterations.
9666 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9668 PR tree-optimization/27144
9669 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9670 (record_estimate): Only record constant upper bound.
9671 (infer_loop_bounds_from_undefined): Call
9672 compute_estimated_nb_iterations just once.
9673 (proved_non_wrapping_p): Renamed to ...
9674 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9675 (convert_step_widening, scev_probably_wraps_p): Call
9676 n_of_executions_at_most instead of proved_non_wrapping_p.
9677 (substitute_in_loop_info): Do not replace values in bounds.
9678 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9681 2006-05-01 Richard Henderson <rth@redhat.com>
9684 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9685 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9688 2006-05-01 Roger Sayle <roger@eyesopen.com>
9690 * c-typeck.c (parser_build_binary_op): Don't call the function
9691 unsigned_conversion_warning to spot operand/result type overflow.
9692 (build_binary_op): Instead, call convert_and_check instead of
9693 convert to report the problem when the operands are promoted.
9694 * c-common.c (unsigned_conversion_warning): Make static.
9695 * c-common.h (unsigned_conversion_warning): Delete prototype.
9697 2006-05-01 Richard Guenther <rguenther@suse.de>
9699 PR tree-optimization/26726
9700 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9702 (find_interesting_uses_address): ... we work around here
9703 by folding INDIRECT_REFs in the substituted base.
9705 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9707 * omp-low.c (dump_omp_region): Add newlines.
9709 2006-04-30 Roger Sayle <roger@eyesopen.com>
9711 * common.opt (Woverflow): New command line option.
9712 * c-common.c (constant_expression_warning): Check warn_overflow.
9713 (overflow_waring): Pass OPT_Woverflow to warning.
9714 (unsigned_conversion_warning): Likewise.
9715 (convert_and_check): Likewise.
9716 * doc/invoke.texi: Document new command line option.
9718 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9720 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9721 TARGET_NO_FP_IN_TOC for section anchors.
9722 (optimization_options): Enable section anchors for all
9723 non-"Objective" languages.
9725 2006-04-28 Eric Christopher <echristo@apple.com>
9727 * config/darwin-c.c (darwin_ms_struct): Move this
9728 (darwin_set_default_type_attributes): and this...
9729 * config/darwin.c: ... here.
9730 * config/darwin.h (darwin_ms_struct): Declare.
9732 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9734 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9736 2006-04-28 Roger Sayle <roger@eyesopen.com>
9739 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9740 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9741 an unsigned HOST_WIDE_INT.
9742 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9744 (really_start_incremental_init): No need to call convert because
9745 bitsize_zero_node is already of type bitsizetype.
9746 (push_init_level): Extract the value of constructor_index as an
9747 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9748 (process_init_element): Likewise.
9750 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9752 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9753 value before passing to make_relative_prefix.
9755 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9758 * builtins.c (expand_builtin_memset): Expand val in original mode.
9760 2006-04-27 Eric Christopher <echristo@apple.com>
9762 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9763 with #ifndef/#endif.
9764 * config/darwin-c.c (darwin_ms_struct): New.
9765 (darwin_pragma_ms_struct): Ditto.
9766 (darwin_set_default_type_attributes): Ditto.
9767 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9768 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9769 Register ms_struct pragma.
9770 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9771 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9772 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9773 darwin_set_default_type_attributes if TARGET_MACHO.
9775 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9777 PR tree-optimization/26854
9778 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9779 * doc/tree-ssa.texi: Update immuse iterator documentation.
9780 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9781 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9782 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9783 first_safe_imm_use, next_safe_imm_use): Remove.
9784 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9785 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9786 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9787 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9788 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9789 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9790 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9791 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9792 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9793 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9794 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9795 (perfect_nestify): Use new iterator.
9796 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9798 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9799 (next_imm_name): New field in struct immediate_use_iterator_d.
9800 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9801 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9802 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9803 * tree-cfg.c (replace_uses_by): Use new iterator.
9804 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9805 * tree-ssa-operands.c (correct_use_link): Remove.
9806 (finalize_ssa_use_ops): No longer call correct_use_link.
9808 2006-04-27 Stuart Hastings <stuart@apple.com>
9810 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9811 * config/t-darwin (crt3.o): Use it.
9812 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9813 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9814 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9815 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9816 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9819 2006-04-27 Roger Sayle <roger@eyesopen.com>
9821 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9822 size, force the intermediate into a new pseudo rather instead of
9823 performing both a bitwise AND and a bitwise IOR in memory.
9825 2006-04-27 Richard Guenther <rguenther@suse.de>
9827 PR rtl-optimization/26685
9828 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9829 this one "max-flow-memory-locations".
9831 2006-04-27 Richard Guenther <rguenther@suse.de>
9833 PR tree-optimization/25148
9834 * tree-vrp.c (compare_values): Remove code dealing with
9835 comparisons against type min/max value. Honour overflow
9836 and negative constants in code dealing with comparisons
9837 of plus and minus expressions.
9838 (value_inside_range): Use fold_binary with LE_EXPR and
9839 GE_EXPR rather than compare_values.
9841 2006-04-27 Dirk Mueller <dmueller@suse.de>
9843 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9846 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9848 * basic-block.h (safe_insert_insn_on_edge): Removed.
9849 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9851 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9852 Paolo Bonzini <bonzini@gnu.org>
9855 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9856 (simplify_and_const_int): Same.
9858 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9860 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9862 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9865 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9866 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9867 cgraph_global_info_ready.
9870 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9873 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9874 either decl or init is error_mark_node.
9877 * tree-flow.h (struct omp_region): Add sched_kind.
9878 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9879 instead of extracting omp for data.
9880 (expand_omp_for): Save extracted sched_kind.
9882 2006-04-25 Roger Sayle <roger@eyesopen.com>
9884 * expmed.c (store_bit_field): Also check whether the bitsize is
9885 valid for the machine's "insv" instruction before moving the
9886 target into a pseudo for use with the insv.
9887 * config/i386/predicates.md (const8_operand): New predicate.
9888 * config/i386/i386.md (extv, extzv, insv): Use the new
9889 const8_operand predicate where appropriate.
9891 2006-04-25 DJ Delorie <dj@redhat.com>
9893 * doc/install.texi (Specific): Clarify that this is not a list of
9894 supported hosts or targets.
9896 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9898 PR rtl-optimization/26725
9899 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9900 block's BB_DIRTY flag.
9902 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9904 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9907 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9908 to print an integer.
9910 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9912 * varasm.c (align_variable): New function.
9913 (get_block_for_decl): Apply align_variable to DECL before
9914 calculating section information.
9915 (assemble_variable): Split out alignment computation.
9917 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9919 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9922 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9924 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9925 MODE_PARTIAL_INT mode.
9926 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9927 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9929 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9930 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9932 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9934 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9936 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9937 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9938 MACFLAG_IH): Likewise.
9939 (movstricthi_1): Renamed from "*movstricthi".
9940 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9941 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9942 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9943 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9944 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9945 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9946 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
9947 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
9948 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
9949 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
9950 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
9951 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
9952 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
9953 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
9954 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
9956 * doc/rtl.texi (ss_ashift): Improve wording.
9958 2006-04-24 Geoffrey Keating <geoffk@apple.com>
9960 * dwarf2out.c (verify_marks_clear): New.
9961 (prune_unused_types): Call verify_marks_clear initially, not
9964 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
9966 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
9967 * doc/rtl.texi: Document them.
9968 * simplify-rtx.c (simplify_unary_operation,
9969 simplify_binary_operation_1): Don't abort when we see them.
9971 2006-04-24 Mark Mitchell <mark@codesourcery.com>
9974 2006-04-23 Mark Mitchell <mark@codesourcery.com>
9975 * configure.ac: Completely disregard languages that are not
9977 * configure: Regenerated.
9979 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9980 Richard Guenther <rguenther@suse.de>
9982 PR tree-optimization/27236
9983 * tree-inline.c (copy_body_r): Make sure to copy
9984 TREE_THIS_VOLATILE flag.
9986 2006-04-24 Richard Guenther <rguenther@suse.de>
9989 * tree-complex.c (update_parameter_components): Don't handle
9990 unused parameters which have no default def.
9992 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
9993 Richard Guenther <rguenther@suse.de>
9995 PR tree-optimization/27218
9996 * tree-inline.c (expand_call_inline): Strip useless type
9997 conversions for the return slot address.
9999 2006-04-24 Richard Guenther <rguenther@suse.de>
10001 * cfgloop.h (struct loops): Remove unused field array. Reorder
10003 (LOOP_PREFETCH): Remove.
10005 2006-04-24 Richard Guenther <rguenther@suse.de>
10007 PR tree-optimization/22525
10008 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10009 variable, adjust types of generated expressions.
10011 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10013 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10014 (tree-vect-patterns.o): Likewise.
10015 (jump.o): Likewise.
10016 (cselib.o): Likewise.
10017 (loop-doloop.o): Likewise.
10018 (regclass.o): Likewise.
10019 (reload1.o): Likewise.
10020 (explow.o): Replace target.h with $(TARGET_H).
10021 (ipa-prop.o): Likewise.
10022 (ipa-cp.o): Likewise.
10023 (ipa-inline.o): Likewise.
10024 (reorg.o): Likewise.
10025 (reg-stack.o): Likewise.
10027 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10029 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10031 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10033 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10035 * configure.ac: Completely disregard languages that are not
10037 * configure: Regenerated.
10040 * c-common.h (c_build_bitfield_integer_type): Declare.
10041 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10042 * c-common.c (c_build_bitfield_integer_type): ... here.
10044 2006-04-23 Roger Sayle <roger@eyesopen.com>
10047 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10048 a SImode SUBREG of a floating point register after no_new_pseudos.
10050 2006-04-23 Roger Sayle <roger@eyesopen.com>
10052 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10053 identify potentially eliminable registers to additionally catch
10054 VIRTUAL_INCOMING_ARGS_REGNUM.
10055 (addsi3): Update the conditions on when to use addsi_small_int.
10057 2006-04-23 Roger Sayle <roger@eyesopen.com>
10060 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10061 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10062 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10064 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10066 * fold-const.c (range_predecessor): Use operand_equal_p
10067 as the predicate for equality.
10068 (range_successor): Likewise.
10070 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10073 * config/soft-fp/op-common.h: Fix a typo.
10075 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10077 PR libmudflap/26864
10078 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10079 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10081 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10083 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10085 * doc/tm.texi: Fix a typo.
10087 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10089 * dwarf2out.c (struct die_struct): Document that die_sib makes
10090 a circular linked list.
10091 (FOR_EACH_CHILD): New.
10092 (reverse_die_lists): Delete.
10093 (reverse_all_dies): Delete.
10094 (add_dwarf_attr): Correct documentation.
10095 (remove_child_with_prev): New.
10096 (remove_child_TAG): Update for change to die_struct, use
10097 remove_child_with_prev.
10098 (add_child_die): Update for change to die_struct.
10099 (splice_child_die): Use remove_child_with_prev and add_child_die.
10100 (print_die): Use FOR_EACH_CHILD.
10101 (die_checksum): Likewise.
10102 (assign_symbol_names): Likewise.
10103 (output_location_lists): Likewise.
10104 (build_abbrev_table): Likewise.
10105 (calc_die_sizes): Likewise.
10106 (mark_dies): Likewise.
10107 (unmark_dies): Likewise.
10108 (unmark_all_dies): Likewise.
10109 (output_die): Likewise.
10110 (prune_unused_types_mark): Likewise.
10111 (prune_unused_types_walk): Likewise.
10112 (same_die_p): Update for change to die_struct.
10113 (break_out_includes): Likewise.
10114 (prune_unused_types_prune): Likewise.
10115 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10116 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10117 it's already clear.
10118 (dwarf2out_finish): Don't call reverse_all_dies.
10120 2006-04-21 Eric Christopher <echristo@apple.com>
10122 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10123 in comments and function names.
10125 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10128 * c-typeck.c (digest_init): Robustify.
10130 * c-typeck.c (pop_init_level): Simplify.
10132 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10134 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10136 2006-04-21 Paul Brook <paul@codesourcery.com>
10138 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10139 hardware floating point.
10141 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10143 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10146 2006-04-21 Nick Clifton <nickc@redhat.com>
10148 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10151 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10154 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10155 C++ lang type in traceback table for Objective-C++.
10157 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10159 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10161 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10163 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10166 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10167 were errors. Remove check for erroneous objects.
10169 2006-04-20 Jeff Law <law@redhat.com>
10171 PR tree-optimization/26854
10172 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10173 checking for zero or one use.
10174 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10175 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10176 * tree-ssa-reassoc.c (negate_value): Similarly.
10177 (reassociate_bb): Similarly.
10179 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10181 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10182 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10183 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10185 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10187 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10188 fp regs if the last fp arg doesn't fit in regs.
10190 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10193 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10194 that the last insn has the REG_INC note.
10196 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10197 Nathan Sidwell <nathan@codesourcery.com>
10200 * stor-layout.c (update_alignment_for_field): Do not align
10202 (place_union_field): Place union field at the start of the union.
10203 (place_field): Move ERROR_MARK check later, and use the current
10204 allocation position to maintain monotonicity.
10206 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10208 * dominance.c: Include timevar.h.
10209 (calculate_dominance_info): Use TV_DOMINANCE.
10210 * timevar.def (TV_DOMINANCE): New timevar.
10211 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10213 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10215 PR rtl-optimization/14261
10216 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10217 move would be an INSV insn.
10218 (noce_process_if_block): Don't optimize if the destination is a
10219 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10221 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10223 * config/s390/s390.md: Add comments with the instructions emitted
10224 by an insn pattern if macros are used.
10226 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10228 PR rtl-optimization/26026
10229 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10230 is a known power of two shifted left a variable amount.
10232 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10234 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10235 to hash table twice when the debug_str section has SECTION_MERGE.
10237 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10239 * config/soft-fp: New directory. From glibc.
10240 * config/soft-fp/t-softfp: New.
10241 * config/soft-fp/README: New.
10242 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10243 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10244 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10245 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10246 * config.gcc: Use rs6000/t-fprules-fpbit or
10247 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10249 * config/rs6000/sfp-machine.h: New. Based on glibc.
10250 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10252 * config/rs6000/t-fprules: Remove fp-bit rules.
10253 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10254 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10255 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10256 (softfp_wrap_start, softfp_wrap_end): New.
10258 2006-04-18 DJ Delorie <dj@redhat.com>
10260 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10262 2006-04-18 Devang Patel <dpatel@apple.com>
10264 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10266 2006-04-18 Nick Clifton <nickc@redhat.com>
10268 * config/sh/t-symbian: Add rule to build sh-c.o
10269 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10270 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10271 (sh_symbian_encode_section_info): Likewise.
10273 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10275 * builtins.c (expand_builtin_strcmp): Cover label definition of
10276 do_libcall with HAVE_cmpstrnsi.
10278 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10280 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10282 * function.h (temp_slot_p): New.
10283 (function): Change the type of x_used_temp_slots to
10284 VEC(temp_slot_p,gc) *.
10286 2006-04-18 Nick Clifton <nickc@redhat.com>
10288 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10289 flag_strength_reduce.
10291 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10293 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10297 Partial revert of revision 112637
10298 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10299 Dale Johannesen <dalej@apple.com>
10302 * regclass.c (struct reg_pref): Update documentation.
10303 (regclass): Set prefclass to NO_REGS if memory is the best option.
10304 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10306 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10308 PR tree-optimization/26821
10309 * tree-ssa-math-opts.c (get_constant_one): New.
10310 (insert_reciprocals): Use it.
10312 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10314 * dwarf2out.c (free_AT): Delete.
10315 (remove_AT): Update string ref counts.
10316 (remove_child_TAG): Don't call free_die.
10317 (free_die): Delete.
10318 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10319 or DW_TAG_GNU_EINCL.
10320 (prune_unused_types_walk_attribs): Reset string refcounts.
10321 (prune_unused_types_update_strings): New.
10322 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10323 call free_die. Do call prune_unused_types_update_strings.
10324 (prune_unused_types): Empty debug_str_hash.
10326 2006-04-17 Roger Sayle <roger@eyesopen.com>
10328 * expr.c (expand_assignment): Optimize away no-op moves where the
10329 source and destination are equal and have no side-effects.
10331 2006-04-17 Richard Guenther <rguenther@suse.de>
10334 * reload.c (push_reload): Guard calls to get_secondary_mem
10335 for memory subregs.
10337 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10339 * alias.c (reg_base_value, old_reg_base_value): Change the
10340 type to VEC(rtx,gc) *.
10341 (REG_BASE_VALUE, find_base_value, record_set,
10342 init_alias_analysis): Use VEC instead of VARRAY.
10344 * alias.c (alias_sets): Change the type to
10345 VEC(alias_set_entry,gc) *.
10346 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10347 VEC instead of VARRAY.
10348 (last_alias_set): Remove.
10350 * cgraph.h (cgraph_edge_p): New.
10351 Update the prototype of cgraph_function_versioning.
10352 * cgraphunit.c (cgraph_copy_node_for_versioning,
10353 cgraph_function_versioning): Use VEC instead of VARRAY.
10354 * ipa-cp.c (ipcp_insert_stage): Likewise.
10356 2006-04-16 Roger Sayle <roger@eyesopen.com>
10359 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10360 "A op B" or "A op C", we may need to convert A to the type of B and C.
10362 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10364 * target.h (struct gcc_target): Add mode_rep_extended.
10365 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10366 (init_num_sign_bit_copies_in_rep): Initialize it using
10368 (truncate_to_mode): Use it.
10369 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10370 * targhooks.h (default_mode_rep_extended): Declare it.
10371 * targhooks.c (default_mode_rep_extended): Define it.
10372 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10373 default_mode_rep_extended.
10374 (TARGET_INITIALIZER): Include it.
10375 * doc/tm.texi (Misc): Document it.
10376 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10377 (mips_truncated_to_mode): New function.
10379 2006-04-16 Roger Sayle <roger@eyesopen.com>
10381 PR middle-end/25474
10382 * expr.c (compress_float_constant): Copy the narrow constant into
10383 a new pseudo before extending it to its final width.
10385 2006-04-16 Roger Sayle <roger@eyesopen.com>
10386 Andrew Pinski <pinskia@gcc.gnu.org>
10387 Dale Johannesen <dalej@apple.com>
10390 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10391 special case code to implement V8HImode and V16QImode with SSE2.
10393 2006-04-15 Roger Sayle <roger@eyesopen.com>
10395 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10396 trees are constructed with a suitable tree type.
10398 2006-04-15 Roger Sayle <roger@eyesopen.com>
10400 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10401 (integer_onep): Likewise.
10402 (integer_all_onesp): Likewise.
10403 (integer_pow2p): Likewise.
10404 (integer_nonzerop): Likewise.
10405 (real_zerop): Likewise.
10406 (real_onep): Likewise.
10407 (real_twop): Likewise.
10408 (real_minus_onep): Likewise.
10409 (int_size_in_bytes): Likewise.
10410 (host_integerp): Likewise.
10412 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10414 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10415 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10416 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10418 * tree-ssa-structalias.h (alias_info): Remove num_references.
10420 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10422 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10423 (output_bvb patterns): Likewise.
10424 * pa.c (output_bb): Use 'bb' insn for long branch case.
10425 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10426 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10427 1. Correct length operand for alternatives 1 and 2.
10428 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10429 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10431 2006-04-14 Roger Sayle <roger@eyesopen.com>
10433 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10434 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10435 were accidentally reverted by r112959.
10437 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10439 PR middle-end/26823
10440 * except.h (eh_region_outermost): New prototype.
10441 * except.c (eh_region_outermost): New function.
10442 * tree-cfg.c (find_outermost_region_in_block): Use it.
10444 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10446 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10448 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10449 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10450 (init_reload, reload): Use VEC instead of VARRAY.
10451 * reload.h: Update the prototype for
10452 reg_equiv_memory_loc_varray.
10454 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10455 Eric Botcazou <ebotcazou@libertysurf.fr>
10457 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10458 register save area.
10460 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10462 PR middle-end/27134
10463 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10464 to expand fallback builtin function call.
10466 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10468 PR middle-end/27095
10469 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10470 and emit libcall here in case the builtin fails.
10471 (expand_builtin_strcmp): Always emit the libcall here on failure.
10473 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10475 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10476 * flow.c (reg_n_info): Change the type to
10477 VEC(reg_info_p,heap) *.
10478 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10480 * regs.h (reg_info_p): New.
10481 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10482 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10483 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10486 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10488 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10490 * params.h (MAX_SCHED_READY_INSNS): New macro.
10491 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10492 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10493 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10494 the ready list for 1 cycle during the first scheduling pass.
10495 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10497 2006-04-13 Richard Henderson <rth@redhat.com>
10500 * gimple-low.c (lower_omp_directive): Remove dead code.
10501 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10502 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10503 * omp-low.c (struct omp_region): Move to tree-flow.h.
10504 (root_omp_region): Export.
10505 (omp_regions, lookup_omp_region): Remove.
10506 (determine_parallel_type): Update for struct omp_region changes.
10507 (dump_omp_region): Dump regions with block numbers.
10508 (new_omp_region): Take type and block instead of stmt; malloc
10510 (free_omp_region_1, free_omp_regions): New.
10511 (expand_parallel_call): Take entry_stmt as argument; update for
10512 changes to omp_region.
10513 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10514 (remove_exit_barriers): New.
10515 (expand_omp_parallel): Update for struct omp_region changes.
10516 (expand_omp_synch): Likewise.
10517 (expand_omp): Likewise.
10518 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10519 (expand_omp_for_static_chunk): Likewise.
10520 (expand_omp_for): Likewise.
10521 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10522 (expand_omp_sections): Similarly, with GOMP_sections_end.
10523 (expand_omp_single): New.
10524 (build_omp_regions_1): Update for OMP_CONTINUE.
10525 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10526 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10527 OMP_SECTIONS_SECTIONS.
10528 (lower_omp_single_simple): Don't emit barrier here.
10529 (lower_omp_single_copy): Likewise.
10530 (lower_omp_single): Fix bindings, and lower to straightline now.
10531 (lower_omp_master, lower_omp_ordered): Likewise.
10532 (lower_omp_critical): Likewise.
10533 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10534 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10535 omp edges, free it afterward.
10536 (make_omp_sections_edges): Remove.
10537 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10538 (move_stmt_r): Handle OMP_CONTINUE.
10539 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10540 statement pointers to basic blocks. Add type member.
10541 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10542 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10543 * tree-inline.c (estimate_num_insns_1): Likewise.
10544 * tree-pretty-print.c (dump_generic_node): Likewise.
10545 * tree-ssa-operands.c (get_expr_operands): Likewise.
10546 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10547 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10548 (OMP_CONTINUE): New.
10549 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10550 (OMP_SECTIONS_SECTIONS): Remove.
10551 (OMP_SECTION_LAST): New.
10552 (OMP_RETURN_NOWAIT): New.
10554 2006-04-13 Roger Sayle <roger@eyesopen.com>
10556 * fold-const.c (native_encode_vector, native_interpret_real):
10557 Correct obvious mistakes in the previous check-in.
10559 2006-04-13 Roger Sayle <roger@eyesopen.com>
10561 * fold-const.c (native_encode_expr): New function to encode
10562 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10563 or VECTOR_CST into a specified buffer.
10564 (native_encode_int): New function.
10565 (native_encode_real): New function.
10566 (native_encode_complex): New function.
10567 (native_encode_vector): New function.
10568 (native_interpret_expr): Inverse of native_encode_expr to convert
10569 a target representation into an INTEGER_CST, REAL_CST etc...
10570 (native_interpret_int): New function.
10571 (native_interpret_real): New function.
10572 (native_interpret_complex): New function.
10573 (native_interpret_vector): New function.
10574 (fold_view_convert_expr): New function to constant fold/evaluate
10575 a VIEW_CONVERT_EXPR of a suitable constant expression.
10576 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10577 Change call of build1 to fold_build1 when constructing a
10580 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10581 Ulrich Weigand <uweigand@de.ibm.com>
10584 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10587 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10590 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10591 optimize to lo_sum for DFmode if !TARGET_FPRS.
10593 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10595 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10596 delete_alias_info, compute_flow_sensitive_aliasing,
10597 group_aliases): Use VEC instead of VARRAY.
10598 * tree-ssa-structalias.c (update_alias_info): Likewise.
10599 * tree-ssa-structalias.h (alias_info): Change the type of
10600 processed_ptrs to VEC(tree,heap) *.
10602 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10605 * config/sh/lib1funcs.h: New file, broken out of:
10606 * config/sh/lib1funcs.asm.
10607 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10609 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10610 * config/sh/lib1funcs-Os-4-200.asm: New file.
10611 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10612 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10613 (EXTRA_MULTILIB_PARTS): Include it.
10614 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10615 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10616 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10617 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10620 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10622 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10623 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10624 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10626 * tree-ssa-live.h: Include vecprim.h.
10627 (tree_partition_associator_d): Change the type of
10628 first_partition to VEC(int,heap) *.
10629 (tpa_first_partition): Use VEC instead of VARRAY.
10631 * Makefile.in (GTFILES): Move functions.h after tree.h.
10632 * function.c (reset_block_changes, record_block_change,
10633 check_block_change, free_block_changes): Use VEC instead of
10635 * function.h (function): Change the type of
10636 ib_boundaries_block to VEC(tree,gc) *.
10637 * tree-inline.c (copy_cfg_body): Initialize
10638 ib_boundaries_block to NULL instead of (varray_type) 0.
10640 2006-04-12 Roger Sayle <roger@eyesopen.com>
10642 * expr.c (emit_group_store): Correct operand order in call to
10643 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10644 a SUBREG_BYTE of zero.
10646 2006-04-12 Richard Guenther <rguenther@suse.de>
10648 * profile.c (compute_branch_probabilities): Remove code
10649 encapsulated in !ir_type (), which are remanents of the
10650 removed RTL profiling code.
10651 * rtl-profile.c: Remove.
10653 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10655 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10656 magic NULL_RTX comment.
10657 (function_arg): Store entire fp arg to mem if any part should go
10659 (rs6000_arg_partial_bytes): Adjust for above change.
10661 2006-04-11 Roger Sayle <roger@eyesopen.com>
10663 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10664 if it hasn't been initialized by dwarf2out_init.
10666 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10668 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10669 symbolic constants in branch patterns.
10671 2006-04-11 Roger Sayle <roger@eyesopen.com>
10673 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10675 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10677 PR rtl-optimization/27073
10678 * gcse.c (try_replace_reg): Revert last change. Continue to search
10679 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10682 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10684 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10685 aggregate types other than record and union types.
10686 (function_arg): Likewise.
10687 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10689 (function_value): In 64-bit mode, return objects that require it
10692 2006-04-11 Roger Sayle <roger@eyesopen.com>
10694 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10696 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10698 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10700 2006-04-03 Jeff Law <law@redhat.com>
10703 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10704 alias information too.
10706 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10708 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10710 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10713 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10714 (premark_used_types_helper): New.
10715 (premark_used_types): New.
10716 (gen_subprogram_die): Call premark_used_types.
10717 (prune_unused_types_walk): Do not prune perennial dies.
10718 * function.c (used_types_insert): New.
10719 * function.h (struct function): Add used_types_hash field.
10720 (used_types_insert): Add prototype.
10721 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10722 * c-parser.c (c_parser_cast_expression): Save casted types in used
10725 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10728 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10729 rs6000_explicit_options.float_gprs.
10731 2006-04-10 Roger Sayle <roger@eyesopen.com>
10733 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10734 from ix86_expand_vector_init_low_nonzero. Take an additional
10735 one_var argument indicating which element is non-zero. Support
10736 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10737 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10738 with one_var instead of ix86_expand_vector_init_low_nonzero.
10740 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10742 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10743 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10744 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10745 build/genextract.o): Depend on vecprim.h.
10746 * cfglayout.c, df-problems.c, function.c, genextract.c,
10747 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10748 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10752 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10754 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10755 Declare VECs of this type.
10756 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10757 (remove_children): Delete.
10758 (add_dwarf_attr): Use VEC routines.
10759 (add_AT_flag): Update for changes to add_dwarf_attr.
10760 (add_AT_int): Likewise.
10761 (add_AT_unsigned): Likewise.
10762 (add_AT_long_long): Likewise.
10763 (add_AT_vec): Likewise.
10764 (add_AT_string): Likewise.
10765 (add_AT_die_ref): Likewise.
10766 (add_AT_fde_ref): Likewise.
10767 (add_AT_loc): Likewise.
10768 (add_AT_loc_list): Likewise.
10769 (add_AT_addr): Likewise.
10770 (add_AT_lbl_id): Likewise.
10771 (add_AT_lineptr): Likewise.
10772 (add_AT_macptr): Likewise.
10773 (add_AT_offset): Likewise.
10774 (add_AT_range_list): Likewise.
10775 (get_AT): Use VEC_iterate.
10776 (remove_AT): Use VEC_ordered_remove.
10777 (free_die): Fold remove_children into here; have it use VEC_iterate.
10778 (print_die): Use VEC_iterate on attrs.
10779 (reverse_die_lists): Don't reverse attr lists.
10780 (die_checksum): Use VEC_iterate on attrs.
10781 (same_die_p): Likewise.
10782 (output_location_lists): Likewise.
10783 (build_abbrev_table): Likewise.
10784 (size_of_die): Likewise.
10785 (unmark_all_dies): Likewise.
10786 (output_abbrev_section): Likewise.
10787 (output_die): Likewise.
10788 (prune_unused_types_walk_attribs): Likewise.
10790 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10792 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10794 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10797 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10799 2006-04-09 Roger Sayle <roger@eyesopen.com>
10801 * expr.c (store_constructor): Don't bother clearing target if
10802 we're about to assign a vector to it using vec_init_optab.
10804 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10806 * tree-ssa-alias.c (lhs_may_store_to): New function.
10807 (recalculate_used_alone): Handle LHS of calls.
10809 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10813 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10814 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10815 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10816 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10817 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10818 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10819 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10820 stubs. Add ".align 8" directives before all ".dword" directives.
10821 (GTHREAD_USE_WEAK): Revise comment.
10822 (TARGET_ATTRIBUTE_WEAK): Define.
10823 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10824 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10825 * stublib.c: New file.
10830 * pa.md (cbranch patterns): Revise arguments used in calls to
10831 output_cbranch, output_bb and output_bvd. Add long branch length
10833 (fbranch patterns): Handle long branches.
10834 (jump): Revise length check. Revise arguments for output_lbranch call.
10835 Add long branch length attributes.
10836 (decrement_and_branch_until_zero): Add long branch length attributes.
10837 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10838 Likewise. Revise arguments for output_parallel_addb and
10839 output_parallel_movb calls.
10840 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10841 output_parallel_movb and output_parallel_addb): Update prototypes.
10842 * pa.c (output_cbranch): Revise arguments. Correct handling of
10843 nullification in long branches.
10844 (output_lbranch): Add new argument to control extraction of delay
10846 (output_bb): Handle long branches.
10847 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10848 output_parallel_addb): Likewise.
10850 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10852 PR rtl-optimization/27073
10853 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10856 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10858 * tree.h (tree_memory_tag): Add old_used_alone.
10859 (SMT_OLD_USED_ALONE): New macro.
10860 * tree-ssa-alias.c (recalculate_used_alone): Stop
10861 marking things for renaming unnecessarily.
10863 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10865 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10866 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10867 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10868 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10869 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10870 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10871 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10872 spelling convensions.
10873 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10874 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10875 typos. Follow spelling conventions.
10877 2006-04-07 DJ Delorie <dj@redhat.com>
10879 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10880 passed on the stack.
10881 (m32c_init_cumulative_args): When a function returns a structure,
10882 always pass the pointer to that return area on the stack.
10883 (m32c_function_arg_advance): Don't increment the parameter number
10884 if we're processing the returned structure pointer.
10885 (pushm_info): Reverse order of registers.
10887 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10889 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10890 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10891 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10892 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10893 build_int_cst_type.
10894 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10895 chrec_fold_multiply): Same.
10896 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10897 force_expr_to_var_cost): Same.
10898 * tree-mudflap.c (mf_xform_derefs_1): Same.
10899 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10901 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10903 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10904 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10907 2006-04-07 Jan Hubicka <jh@suse.cz>
10909 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10911 2006-04-07 Richard Guenther <rguenther@suse.de>
10913 PR tree-optimization/26135
10914 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10915 loads for store copy-prop.
10916 (copy_prop_visit_stmt): Likewise.
10918 2006-04-05 Robert Millan <robertmh@gnu.org>
10920 * config/i386/linux.h: Add a comment to mark macros that are
10921 being overriden in config/k*bsd-gnu.h.
10922 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10924 * config/knetbsd-gnu.h: Ditto.
10926 2006-04-06 Jan Hubicka <jh@suse.cz>
10930 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10933 2006-04-06 Mike Stump <mrs@apple.com>
10935 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10936 for HAVE_nonlocal_goto to be consistent.
10937 (expand_builtin_nonlocal_goto): Likewise.
10938 (expand_builtin_strcmp): Use #ifdef instead of #if
10939 for HAVE_cmpstrnsi to be consistent.
10941 2006-04-05 DJ Delorie <dj@redhat.com>
10943 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10946 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
10948 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
10949 got-relative addressing for anything but SImode.
10951 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
10952 even if the calling function doesn't modify them.
10954 2006-04-05 Richard Guenther <rguenther@suse.de>
10956 PR tree-optimization/26919
10957 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
10958 to cgraph_estimate_size_after_inlining.
10960 2006-04-05 Alan Modra <amodra@bigpond.net.au>
10962 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
10964 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
10966 PR tree-optimization/26996
10967 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
10968 VECTOR_TYPE variables.
10970 2006-04-05 Richard Guenther <rguenther@suse.de>
10972 PR tree-optimization/26763
10973 * fold-const.c (fold_comparison): Move folding of
10974 PTR + CST CMP PTR + CST ...
10975 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
10977 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
10979 * doc/install.texi (Prerequisites): Refine some wording on
10980 bootstrapping and ksh.
10981 Move the version numbers of DejaGnu here from the testing section
10982 and fix casing of names.
10983 Fix markup and clarify wording for autogen requirements.
10984 Refer to GCJ instead of just java.
10985 Refer to SVN instead of CVS.
10986 Describe diffutils as useful instead of necessary.
10987 (Downloading the source): Refer to SVN instead of CVS.
10988 Adjust a link to our web site accordingly.
10989 (Configuration): Fix casing of Bison.
10990 (Building): Refer to SVN instead of CVS.
10991 Fix a sentence on the use of Bison and remove duplicate (and
10992 incorrect) version number of Bison requirement.
10993 Remove one redundant list of packages needed for building.
10994 (Specific): Avoid reference to CVS.
10996 2006-04-04 Eric Christopher <echristo@apple.com>
10998 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
10999 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11000 (rs6000_handle_struct_attribute): New.
11001 (rs6000_ms_bitfield_layout_p): Ditto.
11003 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11005 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11006 NULL for dso parameter to atexit_common.
11008 2006-04-04 Eric Christopher <echristo@apple.com>
11010 * config/i386/i386.c (machopic_output_stub): Output \t
11011 between instructions and operands.
11013 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11015 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11016 satisfies_constraint_[IL] to explicit tests on value.
11018 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11020 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11021 set_nb_iterations_in_loop): Use build_int_cst instead of
11022 build_int_cst_type.
11023 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11024 build_int_cst instead of convert.
11026 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11028 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11029 new value 2 for incoming.
11030 * function.c (expand_function_start): Call struct_value_rtx
11031 with incoming as 2.
11032 * config/sparc/sparc.md: Comment updated_return.
11033 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11034 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11035 struct return if sparc_std_struct_return and incoming is 2.
11036 (print_operand): Do not adjust return if
11037 sparc_std_struct_return.
11039 2006-04-04 Roger Sayle <roger@eyesopen.com>
11041 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11042 convert in the middle-end.
11043 * expr.c (store_expr, store_constructor, get_inner_reference,
11044 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11046 * tree.c (build_range_type): Likewise.
11048 2006-04-04 Tom Tromey <tromey@redhat.com>
11050 * doc/install.texi (Prerequisites): Mention jar.
11052 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11054 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11057 2006-04-04 Matthias Klose <doko@debian.org>
11059 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11063 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11066 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11068 * doc/extend.texi (Function Attributes): Rewrite visibility
11069 attribute documentation.
11070 * doc/invoke.texi (C++ Dialect Options): Rewrite
11071 -fvisibility-inlines-hidden documentation to describe something
11072 entirely different, although in practise compatible.
11073 (Code Gen Options): Warn about system headers in -fvisibility=
11076 * doc/extend.texi (Other Builtins): Document that
11077 __builtin_nan is a compile-time constant only when its argument
11080 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11082 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11083 trying to remove TRUNCATE check if all bits outside the new mode
11084 are identical to the sign bit.
11086 2006-04-03 Jeff Law <law@redhat.com>
11088 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11089 and operand scanning in some common cases.
11091 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11092 Dale Johannesen <dalej@apple.com>
11095 * regclass.c (struct reg_pref): Update documentation.
11096 (regclass): Set prefclass to NO_REGS if memory is the best option.
11097 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11098 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11099 into account. For non-registers, equate an empty preferred
11100 reload class to a `!' in the constraint; move the if clause to
11101 do so after those that reject the insn.
11102 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11104 (find_dummy_reload): Likewise.
11105 * doc/tm.texi (Register Classes): Document what it means
11106 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11107 * config/i386/i386.c (ix86_preferred_reload_class): Force
11108 using SSE registers (and return NO_REGS for floating-point
11109 constants) if math is done with SSE.
11110 (ix86_preferred_output_reload_class): New.
11111 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11112 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11113 * config/i386/i386.md: Remove # register preferences.
11115 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11118 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11119 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11120 the type of nb_iter.
11121 (instantiate_parameters_1): Convert the operands before calling
11122 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11123 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11125 2006-04-02 Roger Sayle <roger@eyesopen.com>
11127 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11128 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11129 instead of convert.
11130 * dojump.c (do_jump): Likewise.
11131 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11132 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11133 gimplify_boolean_expr): Likewise.
11134 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11135 * varasm.c (array_size_for_constructor): Likewise.
11136 * tree-object-size.c (compute_object_offset): Likewise.
11138 2006-04-02 Roger Sayle <roger@eyesopen.com>
11140 PR middle-end/26977
11141 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11142 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11144 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11146 PR tree-optimization/26939
11147 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11149 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11151 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11152 at_stmt. Convert the type of operands before calling
11153 build_polynomial_chrec.
11154 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11155 add_to_evolution_1.
11156 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11157 (instantiate_parameters_1): Convert the type of operands before calling
11158 build_polynomial_chrec.
11159 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11160 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11161 reset_evolution_in_loop): Insert asserts to check the types of the
11163 (chrec_type): Moved...
11164 (eq_evolutions_p): Use operand_equal_p.
11165 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11166 the types of the operands.
11167 (chrec_type): ...here.
11168 * tree-data-ref.c (create_data_ref): Convert the operands before
11169 calling chrec_replace_initial_condition.
11170 (same_access_functions, analyze_subscript_affine_affine,
11171 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11172 (compute_subscript_distance, analyze_ziv_subscript,
11173 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11174 analyze_miv_subscript): Convert the operands before calling
11175 chrec_fold_minus or chrec_fold_plus.
11177 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11179 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11180 the dependence_relations vector.
11181 (compute_data_dependences_for_loop): Adjust call to
11182 compute_all_dependences.
11184 2006-04-01 Roger Sayle <roger@eyesopen.com>
11185 Richard Henderson <rth@redhat.com>
11187 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11188 gimple_boolify on the condition before calling gimplify_expr.
11190 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11192 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11193 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11194 the frame size. Update to use the new macros.
11195 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11196 * config/xtensa/ieee754-df.S: Likewise.
11198 2006-03-31 Richard Henderson <rth@redhat.com>
11200 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11201 (make_edges): ... here. Control fallthru creation with a local
11202 variable. Do not play with fake edges.
11203 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11204 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11207 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11209 * dwarf2.h (DW64_CIE_ID): Define.
11210 * dwarf2out.c (DWARF_CIE_ID): Define.
11211 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11212 length header. Use DWARF_CIE_ID.
11213 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11214 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11216 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11218 * config/sh/linux-atomic.asm: New file.
11219 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11221 2006-03-31 DJ Delorie <dj@redhat.com>
11223 * config/m32c/cond.md: Set condition flags properly throughout.
11224 * config/m32c/minmax.md: Likewise.
11225 * config/m32c/prologue.md: Likewise.
11226 * config/m32c/bitops.md: Likewise.
11227 * config/m32c/muldiv.md: Likewise.
11228 * config/m32c/mov.md: Likewise.
11229 * config/m32c/addsub.md: Likewise.
11230 * config/m32c/m32c.md: Likewise.
11231 * config/m32c/jump.md: Likewise.
11232 * config/m32c/shift.md: Likewise.
11234 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11235 conditionally output the pattern for this.
11236 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11237 (m32c_compare_redundant): New.
11238 (m32c_output_compare): New.
11239 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11241 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11242 dest, not src. Allow other 4-byte modes.
11244 2006-03-30 Denis Chertykov <denisc@overta.ru>
11246 * doc/md.texi: Refer to avr/constraints.md instead of
11249 2006-03-30 Roger Sayle <roger@eyesopen.com>
11251 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11252 signed vs. unsigned comparison failures on some hosts.
11254 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11257 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11258 change to FLOAT_REGS.
11260 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11261 (rs6000_override_options): Use it.
11262 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11263 only for -mabi=spe/no-spe and -mabi=altivec.
11265 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11267 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11270 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11272 * Makefile.in: Rename docdir to gcc_docdir.
11274 2006-03-30 Roger Sayle <roger@eyesopen.com>
11277 * expr.c (emit_group_store): Optimize group stores into a pseudo
11278 register by using a paradoxical subreg to initialize the destination
11279 if the first or last member of the group specifies a "low part".
11281 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11284 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11285 * target.h (struct gcc_target.speculate_insn): Change type of the
11286 second parameter to 'int'.
11287 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11288 the second operand of the DEPS_LIST.
11289 (copy_DEPS_LIST_list): Update reference to the second operand of the
11291 * rtl.h (alloc_DEPS_LIST): Update signature.
11292 * sched-int.h (ds_t): Change typedef to 'int'.
11293 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11295 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11297 * haifa-sched.c (try_ready): Change condition to restore
11298 non-speculative pattern of the instruction.
11299 (process_insn_depend_be_in_spec): Code to keep probability of the
11300 speculative dependence non-decreasing.
11302 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11304 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11305 (single_move_for_movmem): ... this. Also change all uses.
11306 (bfin_expand_strmov): Renamed to...
11307 (bfin_expand_movmem): ... this. Also change all uses.
11308 * config/bfin/bfin.md (movstrsi): Renamed to...
11309 (movstrsi): ...this.
11311 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11313 PR tree-optimization/26830
11315 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11316 (copy_prop_visit_stmt): Remove write-only variable ann.
11317 (init_copy_prop): Check variable loop depth here. Do not simulate
11318 memory-tag and virtual operand PHIs except for store copy prop.
11320 2006-03-30 Richard Guenther <rguenther@suse.de>
11322 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11323 variants with double arguments.
11325 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11327 * genpreds.c (write_tm_constrs_h): Delete variable p.
11328 * genconditions.c (write_header): Add tm-constrs.h to included
11330 * genpeep.c (main): Add toplev.h to included headers.
11331 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11332 (build/genpeep.o): Add toplev.h dependency.
11333 * config/rs6000/constraints.md: Add "W" constraint.
11335 2006-03-29 Roger Sayle <roger@eyesopen.com>
11337 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11338 sizes by correctly testing whether the size fits a host integer.
11339 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11340 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11341 SImode range for the default sizetype and bitsizetype.
11343 2006-03-29 Roger Sayle <roger@eyesopen.com>
11345 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11346 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11347 quickly if the argument is already of the correct type.
11348 Call fold_build1 instead of build1. Tidy up blank lines.
11350 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11352 * genemit.c (main): Add tm-constrs.h to included headers.
11353 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11354 * genpeep.c (main): Add tm-constrs.h to included headers.
11355 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11356 (write_tm_constrs_h): this and write complete file.
11357 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11358 (write_insn_preds_c): Add tm-constrs.h to included headers.
11359 (gen_constrs): New variable.
11360 (parse_option): Parse "-c".
11361 (main): Invoke write_tm_constrs_h.
11362 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11363 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11364 (object_out_file): Add tm-constrs.h dependency.
11365 (insn-emit.o): Same.
11366 (insn-output.o): Same.
11367 (insn-peep.o): Same.
11368 (insn-preds.o): Same.
11369 (insn-recog.o): Same.
11370 (tm-constsr.h): New target.
11371 (s-constrs-h): New target.
11373 * config/rs6000/constraints.md: New file.
11374 * config/rs6000/rs6000.c: Include tm-constrs.h.
11375 (num_insn_constant_wide): Convert to satisfies_constraint.
11376 (rs6000_rtx_costs): Convert to satisfies_constraint.
11377 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11378 (CONST_OK_FOR_LETTER_P): Delete.
11379 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11380 (EXTRA_CONSTRAINT): Delete.
11381 (EXTRA_MEMORY_CONSTRAINT): Delete.
11382 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11383 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11384 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11385 satisfies_constraint.
11387 * config/i386/i386.c: Include tm-constrs.h.
11389 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11391 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11392 * tree-data-ref.c (find_data_references_in_loop,
11393 compute_data_dependences_for_loop): Use pointers to VEC.
11394 (analyze_all_data_dependences): Adjust calls.
11395 * tree-data-ref.h (find_data_references_in_loop,
11396 compute_data_dependences_for_loop): Adjust declarations.
11397 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11398 compute_data_dependences_for_loop.
11400 2006-03-29 Paul Brook <paul@codesourcery.com>
11402 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11403 (movdf_vfp): Ditto.
11405 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11407 PR tree-optimization/26859
11408 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11410 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11411 for the step after fold_convert.
11413 2006-03-29 Paul Brook <paul@codesourcery.com>
11415 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11416 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11418 2006-03-29 Paul Brook <paul@codesourcery.com>
11420 PR middle-end/23623
11421 * targhooks.c (default_narrow_bitfield): New fuction.
11422 * targhooks.h (default_narrow_bitfield): add prototype.
11423 * target.h (gcc_target): Add narrow_volatile_bitfield.
11424 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11425 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11426 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11427 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11429 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11431 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11433 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11434 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11435 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11436 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11437 (s390_function_arg_float): Allow SDmode and DDmode values to be
11438 passed in floating point registers.
11439 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11440 check with SCALAR_FLOAT_MODE_P.
11441 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11443 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11445 PR tree-optimization/25985
11446 * tree-ssa-loop-niter.c (number_of_iterations_le,
11447 number_of_iterations_ne): Make comments more precise.
11448 (number_of_iterations_cond): Add only_exit argument. Use the
11449 fact that signed variables do not overflow only when only_exit
11451 (loop_only_exit_p): New.
11452 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11453 number_of_iterations_cond.
11455 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11457 PR tree-optimization/26643
11458 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11461 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11463 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11464 (divsi3_i4_int): Likewise.
11466 2006-03-28 Roger Sayle <roger@eyesopen.com>
11468 * expr.c (emit_group_store): Only create a new pseudo reg if the
11469 quantity it needs to hold isn't already a suitable pseudo.
11471 2006-03-28 Jeff Law <law@redhat.com>
11473 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11474 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11476 2006-03-28 Roger Sayle <roger@eyesopen.com>
11478 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11479 the equivalent ~X & Y, and the symmetry related transformations.
11480 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11481 ~X & Y, and symmetry related transforms.
11483 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11485 Revert my 2006-03-27 patches.
11487 2006-03-28 Roger Sayle <roger@eyesopen.com>
11489 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11490 ~(T1)X, when T1 and T2 are integer types of the same precision
11491 and (T2)X isn't an extension.
11493 2006-03-28 Jeff Law <law@redhat.com>
11495 PR tree-optimization/26796
11496 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11497 need EH edge cleanups rather than purging them immediately.
11498 (eliminate_degenerate_phis): Handle queued EH cleanups.
11500 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11502 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11505 2006-03-27 Roger Sayle <roger@eyesopen.com>
11507 PR middle-end/22524
11508 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11509 cast BIT_NOT_EXPR operand to the correct type.
11511 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11513 * tree-loop-linear.c: Don't include varray.h.
11514 (gather_interchange_stats, try_interchange_loops,
11515 linear_transform_loops): Use VEC instead of VARRAY.
11516 * lambda-mat.c: Don't include varray.h.
11517 * tree-chrec.c: Same.
11518 * lambda-trans.c: Same.
11519 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11520 VEC instead of VARRAY.
11521 * tree-vectorizer.h: Idem.
11522 * tree-data-ref.c (dump_data_references,
11523 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11524 initialize_data_dependence_relation, finalize_ddr_dependent,
11525 compute_all_dependences, find_data_references_in_loop,
11526 compute_data_dependences_for_loop, analyze_all_data_dependences,
11527 free_dependence_relation, free_dependence_relations,
11528 free_data_refs): Idem.
11529 * tree-data-ref.h (data_reference_p, subscript_p): New.
11530 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11531 VEC instead of VARRAY.
11532 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11533 (find_data_references_in_loop, compute_data_dependences_for_loop,
11534 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11535 dump_data_dependence_relations, free_dependence_relations,
11536 free_data_refs): Adjust declaration.
11537 (lambda_transform_legal_p): Move declaration here...
11538 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11539 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11540 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11541 vect_analyze_data_refs): Use VEC instead of VARRAY.
11542 * lambda.h (lambda_transform_legal_p): ...from here.
11543 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11544 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11545 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11546 tree-chrec.o): Don't depend on VARRAY_H.
11548 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11550 * rtl.def (Copyright): Update date.
11551 (DEPS_LIST): Change type of the second operand to 'int'.
11552 * target.h (Copyright): Update date.
11553 (struct gcc_target.speculate_insn): Change type of the second parameter
11555 * lists.c (Copyright): Update date.
11556 (alloc_DEPS_LIST): Change signature. Update reference to the second
11557 operand of the DEPS_LIST.
11558 (copy_DEPS_LIST_list): Update reference to the second operand of the
11560 * rtl.h (Copyright): Update date.
11561 (alloc_DEPS_LIST): Update signature.
11562 * sched-int.h (Copyright): Update date.
11563 (ds_t): Change typedef to 'int'.
11564 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11566 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11568 * haifa-sched.c (Copyright): Update date.
11569 (try_ready): Change condition to restore non-speculative pattern
11570 of the instruction.
11571 (process_insn_depend_be_in_spec): Code to keep probability of the
11572 speculative dependence non-decreasing.
11574 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11576 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11577 shut up the compiler.
11579 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11581 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11582 to use lib prefix for target.
11583 ($(T)libic_invalidate_array_4-200.a): Likewise.
11584 ($(T)libic_invalidate_array_4a.a): Likewise.
11586 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11587 J"orn Rennecke <joern.rennecke@st.com>
11589 * superh.opt: New file.
11590 * sh.c (boardtype, osruntime): Remove.
11591 * superh.h (SUBTARGET_OPTIONS): Remove.
11592 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11594 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11595 arguments with ^ and/or [].
11597 * config.gcc (sh-*-*): Add quoting to account for quirk of
11599 Replace == with = in enable_incomplete_targets test.
11601 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11602 with MASK_LITTLE_ENDIAN.
11604 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11605 * config/sh/sh.opt: Added to some comments.
11606 * config/sh/superh.h: Removed some chaff.
11608 * config/sh/sh.opt: Add m4-[1234]00* options.
11609 * config/sh/sh.c (sh_handle_option): Likewise.
11610 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11611 (ic_invalidate_array_4-100.o): New rule.
11612 ($(T)libic_invalidate_array_4-100.a): Likewise.
11613 (ic_invalidate_array_4-200.o): Likewise.
11614 ($(T)libic_invalidate_array_4-200.a): Likewise.
11615 (ic_invalidate_array_4a.o): Likewise.
11616 ($(T)libic_invalidate_array_4a.a): Likewise.
11617 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11618 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11620 * config/sh/crt1.asm: Merged in profiling code.
11621 * config/sh/superh.h (STARTFILE_SPEC): Override.
11622 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11623 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11624 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11626 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11627 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11628 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11630 * sh.opt (mpretend-cmove): New option.
11631 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11632 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11633 (movsicc): Add TARGET_PRETEND_CMOVE code.
11635 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11637 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11638 s390_class_max_nregs): New function prototypes.
11639 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11640 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11641 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11642 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11644 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11646 * dwarf2out.c (add_location_or_const_value_attribute): Call
11647 tree_add_const_value_attribute if nothing else works.
11648 (reference_to_unused): New.
11649 (rtl_for_decl_init): Use reference_to_unused to decide whether
11650 to output an initializer.
11652 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11655 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11656 peephole removing spe frob_di_df_2.
11658 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11660 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11661 (subscript_dependence_tester_1): Declared.
11662 (print_dir_vectors, print_dist_vectors): New.
11663 (debug_data_dependence_relation): New.
11664 (dump_data_dependence_relation): Print more details.
11665 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11666 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11667 (save_dist_v, save_dir_v, add_outer_distances,
11668 build_classic_dist_vector_1): New.
11669 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11670 Don't test for lambda_vector_lexico_pos.
11671 (same_access_functions, add_multivariate_self_dist,
11672 add_other_self_distances, dir_from_dist): New.
11673 (build_classic_dir_vector): Replace implementation almost identical to
11674 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11676 (subscript_dependence_tester_1): New.
11677 (subscript_dependence_tester): Handle the lexicographically negative
11678 distance vectors by recomputing the dependence relation.
11679 (compute_affine_dependence): Remove parameter loop_nest_depth.
11680 (compute_self_dependence): Don't call compute_subscript_distance.
11681 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11682 Add a parameter for the loop_nest.
11683 (find_loop_nest_1, find_loop_nest): New.
11684 (compute_data_dependences_for_loop): Compute the loop nest, and give
11685 up if the nest is not well formed.
11686 * tree-data-ref.h (loop_p): New.
11687 (struct data_dependence_relation): Replace size_vect field with
11688 loop_nest, a vec of loops.
11689 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11690 (DDR_LOOP_NEST): New.
11691 (print_dir_vectors, print_dist_vectors,
11692 debug_data_dependence_relation): Declared.
11693 (index_in_loop_nest): New.
11694 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11695 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11698 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11700 * simplify-rtx.c (simplify_relational_operation): Call
11701 simplify_relational_operation_1 even if mode is VOIDmode.
11703 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11705 PR tree-optimization/26804
11706 * tree.h (DECL_CALL_CLOBBERED): New macro.
11707 (tree_decl_common): Add call_clobbered_flag.
11708 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11709 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11710 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11711 (mark_non_addressable): Ditto.
11712 * tree-ssa.c (verify_call_clobbered): New function.
11713 (verify_alias_info): Use it.
11714 * tree-pass.h (pass_reset_cc_flags): New prototype.
11715 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11716 (reset_cc_flags): New function.
11717 * passes.c (init_optimization_passes): Call reset_cc_flags after
11718 initializing referenced_vars.
11720 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11721 Roger Sayle <roger@eyesopen.com>
11723 PR middle-end/26717
11724 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11725 to 1.0 for non-real operands. Implement A / A optimization for
11728 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11730 * config/i386/i386.c (size_cost): Correct the comment for
11731 cost of storing fp registers.
11732 (i386_cost): Likewise.
11733 (i486_cost): Likewise.
11734 (pentium_cost): Likewise.
11735 (pentiumpro_cost): Likewise.
11736 (k6_cost): Likewise.
11737 (athlon_cost): Likewise.
11738 (k8_cost): Likewise.
11739 (pentium4_cost): Likewise.
11740 (nocona_cost): Likewise.
11741 (generic64_cost): Likewise.
11742 (generic32_cost): Likewise.
11744 2006-03-24 Denis Chertykov <denisc@overta.ru>
11746 * config/avr/avr-protos.h (extra_constraint): Delete.
11747 (extra_constraint_Q): New declaration.
11748 * config/avr/constraints.md: New file.
11749 * config/avr/avr.md: Include it.
11750 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11751 (TMP_REGNO, ZERO_REGNO): Likewise.
11752 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11753 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11754 (extra_constraint): Delete.
11755 (extra_constraint_Q): Test for memory constraint 'Q'.
11756 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11757 (REG_CLASS_FROM_LETTER): Delete.
11758 (CONST_OK_FOR_LETTER_P): Delete.
11759 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11760 (EXTRA_CONSTRAINT): Delete.
11761 (TMP_REGNO): Delete.
11762 (ZERO_REGNO): Delete.
11764 2006-03-24 Jeff Law <law@redhat.com>
11766 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11767 directly. Call mark_new_vars_to_rename slightly earlier.
11769 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11771 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11772 (is_cxx): Likewise.
11773 (gen_compile_unit_die): Use new language types for Objective-C and
11775 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11776 DW_LANG_C_plus_plus.
11779 * config/t-darwin (crt3.o): Work around bug 26840.
11780 * config/darwin-crt3.c: Rewrite.
11781 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11783 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11785 * doc/invoke.texi: Document -femit-class-debug-always
11786 * common.opt: Add -femit-class-debug-always.
11788 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11790 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11791 index and base register.
11792 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11793 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11794 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11795 REGNO_OK_FOR_INDEX_P.
11796 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11798 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11799 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11800 REG_OK_FOR_BASE_P): Definitions removed.
11802 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11804 PR middle-end/26611
11805 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11806 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11807 set yet or weren't marked as local yet.
11809 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11811 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11814 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11816 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11817 (rs6000_legitimate_small_data_p): Delete.
11818 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11819 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11820 and make static. Add forward declaration. Update uses.
11821 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11822 of offsettable_memref_p.
11823 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11824 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11826 2006-03-24 Jeff Law <law@redhat.com>
11828 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11829 around bug in immediate-use iterator.
11831 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11834 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11835 or __LITTLE_ENDIAN__.
11837 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11839 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11840 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11841 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11842 * config/sh/sh.opt (mdiv=): Amend description.
11843 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11844 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11845 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11846 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11847 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11848 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11849 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11850 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11851 TARGET_DIVIDE_CALL_FP.
11853 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11855 * haifa-sched.c (choose_ready): Fix type of the local variable.
11856 Move local variables. Add comment.
11857 (check_reg_live): Change signature. Make callable from debugger.
11858 * sched-int.h (check_reg_live): Update signature.
11859 * sched-ebb.c (check_reg_live): Update parameters.
11860 * sched-rgn.c (check_reg_live): Ditto.
11861 (region_head_or_leaf_p): Check pointer before dereferencing.
11862 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11863 before reload on optimization levels below 1.
11865 2006-03-23 Richard Henderson <rth@redhat.com>
11867 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11871 * config/alpha/predicates.md (local_symbolic_operand): Reject
11874 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11877 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11878 expressions which have overflowed constants.
11880 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11882 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11884 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11886 * cfgloopmanip.c (create_loop_notes): Removed.
11887 * final.c (final_scan_insn): Do not handle loop notes.
11888 * jump.c (squeeze_notes): Ditto.
11889 * cfglayout.c (skip_insns_after_block,
11890 duplicate_insn_chain): Ditto.
11891 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11893 * cfgloop.h (create_loop_notes): Declaration removed.
11895 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11897 * varasm.c (output_constant_pool): Restore fnname and fndecl
11899 (assemble_start_function): Adjust call accordingly.
11900 (assemble_end_function): Likewise.
11902 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11905 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11908 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11910 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11913 * system.h (ICE_EXIT_CODE): New macro.
11914 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11915 (diagnostic_action_after_output): Likewise.
11916 * gcc.c (fatal_ice): New function.
11917 (execute): Use it instead of fatal.
11918 (fancy_abort): Likewise.
11919 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11921 2006-03-22 Jeff Law <law@redhat.com>
11923 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11924 iv_analyze_result returning false.
11926 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11928 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11930 2006-03-22 Richard Henderson <rth@redhat.com>
11932 PR middle-end/26084
11933 * except.c (duplicate_eh_regions_0): New.
11934 (duplicate_eh_region_1): Duplicate the children of the node as
11935 well as the node itself. Link them up properly.
11936 (duplicate_eh_region_2): Merge into ...
11937 (duplicate_eh_regions): ... here. Take copy_region argument, and
11938 copy only a sub-tree if asked. Simplify copying and fixup.
11939 (eh_region_outer_p): New.
11940 * except.h (duplicate_eh_regions): Update decl.
11941 (eh_region_outer_p): Declare.
11942 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11943 (lower_omp_master): Likewise.
11944 (lower_omp_ordered): Likewise.
11945 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11946 (move_stmt_r): Use it to remap labels. Handle recursion vs
11947 remap_decls_p properly.
11948 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
11949 (find_outermost_region_in_block): New.
11950 (new_label_mapper): New.
11951 (move_sese_region_to_fn): Copy eh information to the new function
11953 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
11955 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
11958 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11960 * doc/md.texi (-mshared): Mention that -mshared code can be linked
11961 into shared libraries.
11963 2006-03-22 Richard Sandiford <richard@codesourcery.com>
11965 * doc/md.texi: Refer to i386/constraints.md instead of
11966 i386/predicates.md.
11967 * config/i386/constraints.md: New file, extracted from...
11968 * config/i386/predicates.md: ...here.
11969 * config/i386/i386.md: Include constraints.md.
11971 2006-03-21 Jason Merrill <jason@redhat.com>
11973 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
11975 PR middle-end/20297
11976 * expr.c (init_block_move_fn): Force default visibility.
11977 (init_block_clear_fn): Likewise.
11978 * builtins.c (expand_builtin_fork_or_exec): Likewise.
11979 * targhooks.c (default_external_stack_protect_fail): Likewise.
11981 2006-03-21 Richard Sandiford <richard@codesourcery.com>
11983 * config/mips/predicates.md (const_call_insn_operand): Allow direct
11984 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
11985 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
11986 Use TARGET_OLDABI instead of !TARGET_NEWABI.
11987 (loadgp): Use mips_current_loadgp_style.
11988 (loadgp_noshared): New pattern.
11989 (sibcall_internal): Use MIPS_CALL.
11990 (sibcall_value_internal): Likewise.
11991 (sibcall_value_multiple_internal): Likewise.
11992 (call_internal): Likewise.
11993 (call_value_internal): Likewise.
11994 (call_value_multiple_internal): Likewise.
11995 (call_split): Use MIPS_CALL and add an 'S' constraint.
11996 (call_value_split): Likewise.
11997 (call_value_multiple_split): Likewise.
11998 * config/mips/mips.opt (-mabicalls): Tweak docstring.
11999 (-mshared): New option.
12000 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12001 (mips_current_loadgp_style): Declare.
12002 * config/mips/mips.c (mips_classify_symbol): Avoid using
12003 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12004 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12005 TARGET_ABSOLUTE_ABICALLS.
12006 (override_options): Adjust comments. Improve the warning that is
12007 issued when -mabicalls and -G are used together.
12008 (mips_file_start): Remove comment.
12009 (mips_current_loadgp_style): New function.
12010 (mips_gnu_local_gp): New variable.
12011 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12013 (mips_output_function_prologue): Use mips_current_laodgp_style.
12014 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12015 the cprestore instruction.
12016 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12017 live for TARGET_ABSOLUTE_ABICALLS.
12018 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12019 (ASM_SPEC): Pass down -mshared and -mno-shared.
12020 (MIPS_CALL): New macro.
12021 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12023 * doc/invoke.texi (-mabicalls): Update documentation.
12024 (-mshared): Document.
12026 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12028 * config/ia64/unwind-hpux.c: New file.
12029 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12031 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12034 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12036 2006-03-21 Jeff Law <law@redhat.com>
12038 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12039 type conversions of a VR_VARYING source to a wider type.
12041 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12043 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12044 tm_file on Solaris 10 and later.
12045 (sparc64-*-solaris2*): Likewise.
12046 (sparc-*-solaris2*): Likewise.
12047 * config/sol26.h: Rename to config/sol2-6.h.
12048 * config/sol2-10.h: New file.
12050 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12053 * tree-ssa-pre.c (create_component_ref_by_pieces):
12056 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12059 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12060 return it immediately.
12062 2006-03-21 Michael Matz <matz@suse.de>
12064 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12066 (remove_arc, add_arc): Update num_out_arcs member.
12067 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12069 (cache_presence): New function.
12070 (compare_states_for_equiv): New function.
12071 (state_is_differed): Don't take number of outargs, adjust callers.
12072 Use new invariant for speeding up.
12073 (init_equiv_class): Create initial classes based on sorted
12075 (partition_equiv_class): Don't track out_arcs_num.
12076 (evaluate_equiv_classes): Call cache_presence on all states and
12079 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12081 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12082 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12083 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12084 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12086 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12087 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12088 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12089 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12090 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12092 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12093 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12094 (REGNO_REG_CLASS): ARGP is in PREGS.
12095 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12097 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12098 to deal with those addresses.
12099 * addresses.h: New file.
12100 * caller-save.c: Include "addresses.h".
12101 (init_caller_save): Use new base_reg_class function.
12102 * rtl-factoring.c: Include "addresses.h".
12103 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12104 * recog.c: Include "addresses.h".
12105 (preprocess_constraints): Use new base_reg_class function.
12106 * regrename.c: Include "addresses.h".
12107 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12108 functions. Keep track of a new var INDEX_CODE to compute valid
12110 (replace_oldest_value_addr): Likewise.
12111 (replace_oldest_value_mem): Use base_reg_class.
12112 * reload.c: Include "addresses.h".
12113 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12114 (find_reloads): Use new base_reg_class function.
12115 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12116 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12117 all callers and prototype changed.
12118 * reload1.c: Include "addresses.h".
12119 (maybe_fix_stack_asms): Use base_reg_class.
12120 * regclass.c: Include "addresses.h".
12121 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12122 (init_reg_autoinc): Use new base_reg_class function.
12123 (record_reg_classes): Likewise.
12124 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12125 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12126 Use new args to compute necessary class.
12128 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12129 regrename.o, rtl-factoring.o): Update dependencies.
12130 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12131 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12132 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12133 REG_OK_FOR_INDEX_P): Delete documentation.
12135 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12137 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12138 from V7 to V9 for Solaris 7 and above.
12140 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12142 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12143 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12144 argument pointers may not alias any other storage.
12145 * common.opt: Define option -fargument-noalias-anything.
12146 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12147 alias semantics is specified by flag_argument_noalias > 2.
12149 2006-03-20 Jeff Law <law@redhat.com>
12151 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12152 (pass_phi_only_cprop): Declare.
12153 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12154 with phi_only_cprop
12155 * tree-ssa-dom.c (degenerate_phi_result): New function.
12156 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12157 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12158 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12159 (eliminate_degenerate_phis): Likewise.
12160 (pass_phi_only_cprop): New pass descriptor.
12161 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12162 support code. Callers updated.
12163 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12164 (store_copy_prop): Likewise.
12165 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12167 2006-03-20 Jason Merrill <jason@redhat.com>
12170 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12171 (push_visibility, pop_visibility): Likewise.
12172 * c-pragma.h: Declare them.
12174 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12176 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12178 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12179 parameter and use get_ebb_head_tail.
12180 (sh_md_init_global): Adjust uses of find_regmode_weight.
12182 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12184 * function.h (struct function) <x_tail_recursion_reentry>:
12185 Rename to x_stack_check_probe_note.
12186 (tail_recursion_reentry): Rename to stack_check_probe_note.
12187 * function.c: Replace tail_recursion_reentry with
12188 stack_check_probe_note everywhere.
12189 (expand_function_start): Only emit a note for
12190 stack_check_probe_note with -fstack-protect.
12191 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12193 * emit-rtl.c (remove_unnecessary_notes): Remove.
12194 (pass_remove_unnecessary_notes): Remove.
12195 * rtl.h (remove_unnecessary_notes): Remove prototype.
12196 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12197 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12198 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12200 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12203 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12204 (valid_in_set): Handle ARRAY_REF.
12205 Change "if min_variant or VH" to asserts.
12206 (create_component_ref_by_pieces): Handle ARRAY_REF.
12207 (create_expression_by_pieces): Likewise.
12208 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12210 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12212 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12213 is operand of switch, not str[0].
12215 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12217 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12218 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12220 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12222 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12223 end of insn_extra_address_constraint declaration.
12225 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12227 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12228 (no-sum-in-toc): Same.
12229 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12231 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12232 NO_FP_IN_TOC for -fPIC instead of mask.
12234 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12235 (BOOT_LDFLAGS): Delete.
12237 * config/rs6000/t-aix52: Same.
12239 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12240 (stmsi[345678]_power): New.
12242 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12244 * config/ia64/ia64.opt: Add empty line to end of file.
12246 2006-03-17 Richard Guenther <rguenther@suse.de>
12248 PR middle-end/26721
12249 * builtins.c (get_pointer_alignment): For component style references
12250 adjust alignment to the component type alignment. Make sure
12251 to adjust alignment for component access of constants.
12253 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12255 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12256 unconditional jump.
12258 2006-03-17 Paul Brook <paul@codesourcery.com>
12260 * doc/install.texi: Docuemnt --with-mode.
12261 * config.gcc: Add --with-mode for arm*-*-*.
12262 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12264 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12266 * sh.c (max_labelno_before_reorg): New variable.
12267 (sh_reorg): Initialize it.
12268 (find_barrier): Check max_labelno_before_reorg before using
12269 label_to_alignment. Take length of explicit alignment insns
12270 into account. When seeing a UNSPECV_CONST_END, return it.
12272 * sh.c (fixup_mova): Set mode of affected label to QImode.
12273 (untangle_mova): New function.
12274 (find_barrier): Use it. Check mode of label before decrementing
12276 (sh_reorg): Likewise.
12277 Set mode of all insns back to VOIDmode.
12279 * sh.c (MOVA_LABELREF): New macro.
12280 (mova_p, fixup_mova, sh_reorg): Use it.
12281 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12282 ADDR_DIFF_VEC matches mova.
12284 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12286 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12287 with ATTRIBUTE_UNUSED.
12289 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12291 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12292 pointer, instead of assuming it is possible to derive the
12293 correct args size from a call insn.
12295 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12297 * rtl.h (CONST_INT_P): Define.
12298 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12299 instead of GET_CODE(x) == CONST_INT.
12300 (vax_rtx_costs): Likewise.
12301 (vax_output_int_move): Likewise.
12302 (vax_output_int_add): Likewise.
12303 (legitimate_constant_address_p): Likewise.
12304 (index_term_p): Likewise.
12305 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12306 * config/vax/vax.md (and<mode>3): Likewise.
12307 (ashrsi3): Likewise.
12309 (movstricthi): Likewise.
12310 (movstrictqi): Likewise.
12311 (rotrsi3): Likewise.
12312 (five unnamed insns): Likewise.
12314 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12316 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12317 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12318 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12319 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12320 Pass to ASM_OUTPUT_DWARF_OFFSET.
12321 * dwarf2out.c (debug_frame_section): New.
12322 (output_call_frame_info): Use debug_frame_section. Pass it to
12323 dw2_asm_output_offset.
12324 (output_die): Pass appropriate section to dw2_asm_output_offset.
12325 (output_compilation_unit_header): Likewise.
12326 (output_pubnames): Likewise.
12327 (output_aranges): Likewise.
12328 (enum dw_val_class): Break dw_val_class_lbl_offset into
12329 dw_val_class_lineptr and dw_val_class_macptr.
12330 (add_AT_lbl_offset): Delete.
12331 (add_AT_lineptr): New.
12332 (add_AT_macptr): New.
12333 (AT_lbl): Expect a lineptr or macptr.
12334 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12335 (attr_checksum): Likewise.
12336 (same_dw_val_p): Likewise.
12337 (size_of_die): Likewise.
12338 (value_format): Likewise.
12339 (output_die): Likewise.
12340 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12342 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12343 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12344 * config/darwin-protos.h (darwin_file_start): New.
12345 (darwin_asm_output_dwarf_offset): New.
12346 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12347 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12349 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12350 if not EH section; simplify.
12351 (darwin_file_start): New.
12352 (darwin_asm_output_dwarf_offset): New.
12353 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12355 (DEBUG_INFO_SECTION): Likewise.
12356 (DEBUG_ABBREV_SECTION): Likewise.
12357 (DEBUG_ARANGES_SECTION): Likewise.
12358 (DEBUG_MACINFO_SECTION): Likewise.
12359 (DEBUG_LINE_SECTION): Likewise.
12360 (DEBUG_LOC_SECTION): Likewise.
12361 (DEBUG_PUBNAMES_SECTION): Likewise.
12362 (DEBUG_STR_SECTION): Likewise.
12363 (DEBUG_RANGES_SECTION): Likewise.
12364 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12365 (ASM_OUTPUT_DWARF_OFFSET): New.
12367 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12369 * config.gcc (tm_defines): Always add to previous value rather
12372 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12374 * config/mips/predicates.md (splittable_const_int_operand): New,
12375 split from move_operand.
12376 (splittable_symbolic_operand): New.
12377 (move_operand): Add commentary. Use splittable_const_int_operand.
12378 Inline mips_atomic_symbolic_constant_p.
12379 * config/mips/mips.md: Add combine splitters for handling moves
12380 of splittable_const_int_operands and splittable_symbolic_operands.
12381 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12382 (mips_split_symbol): Declare.
12383 (mips_move_integer): Declare.
12384 * config/mips/mips.c (mips_split_p): Make global.
12385 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12386 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12387 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12388 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12389 (mips_offset_within_object_p): Handle block symbols.
12390 (mips_atomic_symbolic_constant_p): Delete.
12391 (mips_cannot_force_const_mem): Return false for constants that
12392 mips_legitimize_move can handle.
12393 (mips_use_blocks_for_constant_p): New function.
12394 (mips_split_symbol): Make global.
12395 (mips_move_integer): Likewise. Add a temporary register argument.
12396 (mips_legitimize_const_move): Use splittable_const_int_operand and
12397 splittable_symbolic_operand.
12398 (mips_use_anchors_for_symbol_p): New function.
12399 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12400 (mips_split_p): Declare.
12402 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12404 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12405 (mips*-*-linux*): Likewise.
12407 2006-03-16 Roger Sayle <roger@eyesopen.com>
12408 Daniel Speyer <dspeyer@wam.umd.edu>
12410 PR middle-end/18259
12411 * tree-dump.c (dump_real): New function.
12412 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12413 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12414 (tree-dump.o): Add $(REAL_H) to the dependencies.
12416 2006-03-16 Roger Sayle <roger@eyesopen.com>
12418 PR middle-end/21781
12419 * real.c (real_from_string): If the mantissa is zero, don't bother
12420 parsing the exponent as the result should always be zero.
12422 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12424 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12426 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12428 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12429 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12430 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12431 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12432 ia64_sched_finish_global): New static functions to implement
12433 hooks from gcc_target.sched.
12434 (spec_check_no, max_uid, pending_data_specs): New static variables.
12435 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12436 ia64_spec_check_src_p): New static functions.
12437 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12438 (TARGET_SCHED_ADJUST_COST): Removed.
12439 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12440 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12441 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12442 TARGET_SCHED_GEN_CHECK,
12443 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12444 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12445 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12446 Fixed to handle speculation checks.
12447 (rtx_needs_barrier): Fixed to handle speculative loads and
12449 (ia64_variable_issue): Added code to count speculative loads and their
12451 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12453 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12455 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12457 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12458 (ia64_reorg): Reset stops_p to NULL after it is freed.
12459 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12460 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12461 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12463 (data_speculative, control_speculative, check_load): New attributes.
12464 (mov<mode>_advanced, mov<mode>_speculative,
12465 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12466 zero_extend<mode>di2_speculative,
12467 zero_extend<mode>di2_speculative_advanced): New patterns for
12468 data and control speculative loads.
12469 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12471 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12472 New pattern for data and control speculation checks.
12473 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12474 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12475 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12476 Auxiliary definitions for the patterns.
12477 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12478 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12480 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12482 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12483 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12484 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12485 New resource constraints.
12486 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12488 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12489 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12490 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12491 msched-in-control-spec, msched-ldc, msched-control-ldc,
12492 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12493 msched-prefer-non-control-spec-insns,
12494 msched-count-spec-in-critical-path): New flags to tune speculative
12496 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12497 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12498 msched-in-control-spec, msched-ldc, msched-control-ldc,
12499 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12500 msched-prefer-non-control-spec-insns,
12501 msched-count-spec-in-critical-path): Document new flags.
12503 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12505 * target.h (struct spec_info_def): New opaque declaration.
12506 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12507 speculate_insn, needs_block_p, gen_check,
12508 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12509 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12510 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12511 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12512 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12513 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12515 (TARGET_SCHED): Use new macros.
12516 * rtl.h (copy_DEPS_LIST_list): New prototype.
12517 * sched-int.h (struct sched_info): Change signature of new_ready field,
12518 adjust all initializations. New fields: add_remove_insn,
12519 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12520 region_head_or_leaf_p.
12521 (struct spec_info_def): New structure declaration.
12522 (spec_info_t): New typedef.
12523 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12524 recovery_block, orig_pat.
12525 (glat_start, glat_end): New variables declaraions.
12526 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12528 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12529 DETACH_LIFE_INFO, USE_GLAT.
12530 (enum SPEC_SCHED_FLAGS): New enumeration.
12531 (NOTE_NOTE_BB_P): New macro.
12532 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12533 attach_life_info, debug_spec_status, check_reg_live): New functions.
12534 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12535 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12537 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12538 * ddg.c (get_block_head_tail): Adjust all uses.
12539 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12540 (sms_sched_info): Initialize new fields.
12541 (contributes_to_priority): Removed.
12542 * haifa-sched.c (params.h): New include.
12543 (get_block_head_tail): Adjust all uses.
12544 (ISSUE_POINTS): New macro.
12545 (glat_start, glat_end): New global variables.
12546 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12547 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12548 old_last_basic_block, before_recovery, current_sched_info_var,
12549 rgn_n_insns, luid): New static variables.
12550 (insn_cost1): New function. Move logic from insn_cost to here.
12551 (find_insn_reg_weight1): New function. Move logic from
12552 find_insn_reg_weight to here.
12553 (reemit_notes, move_insn, max_issue): Change signature.
12554 (move_insn1): Removed.
12555 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12556 extend_bb): New static functions to support extension of scheduler's
12558 (generate_recovery_code, process_insn_depend_be_in_spec,
12559 begin_speculative_block, add_to_speculative_block,
12560 init_before_recovery, create_recovery_block, create_check_block_twin,
12561 fix_recovery_deps): New static functions to support
12562 generation of recovery code.
12563 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12564 restore_bb_notes, move_block_after_check, move_succs): New static
12565 functions to support ebb scheduling.
12566 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12567 functions to support handling of register live information.
12568 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12569 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12570 add_jump_dependencies): New static functions.
12571 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12572 consistancy checking.
12573 (debug_spec_status): New function to call from debugger.
12574 (priority): Added code to handle speculation checks.
12575 (rank_for_schedule): Added code to distinguish speculative instructions.
12576 (schedule_insn): Added code to handle speculation checks.
12577 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12578 Fixed to handle ebbs.
12579 (move_insn): Added code to handle ebb scheduling.
12580 (max_issue): Added code to use ISSUE_POINTS of instructions.
12581 (choose_ready): Added code to choose between speculative and
12582 non-speculative instructions.
12583 (schedule_block): Added code to handle ebb scheduling and scheduling of
12584 speculative instructions.
12585 (sched_init): Initialize new variables.
12586 (sched_finish): Free new variables. Print statistics.
12587 (try_ready): Added code to handle speculative instructions.
12588 * lists.c (copy_DEPS_LIST_list): New function.
12589 * sched-deps.c (extend_dependency_caches): New function. Move logic
12590 from create_dependency_caches to here.
12591 (get_dep_weak, ds_merge): Make global.
12592 * genattr.c (main): Code to output prototype for
12593 dfa_clear_single_insn_cache.
12594 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12595 (output_dfa_clean_insn_cache_func): Code to output
12596 dfa_clear_single_insn_cache function.
12597 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12599 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12601 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12602 New static variables.
12603 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12604 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12606 (ebb_sched_info): Initialize new fields.
12607 (get_block_head_tail): Adjust all uses.
12608 (compute_jump_reg_dependencies): Fixed to use glat_start.
12609 (schedule_ebb): Code to remove unreachable last block.
12610 (schedule_ebbs): Added code to update register live information.
12611 * sched-rgn.c (region_sched_info): Initialize new fields.
12612 (get_block_head_tail): Adjust all uses.
12613 (last_was_jump): Removed. Adjust users.
12614 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12615 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12616 Implement new hooks.
12617 (check_dead_notes1): New static function.
12618 (struct region): New fields: dont_calc_deps, has_real_ebb.
12619 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12620 (BB_TO_BLOCK): Fixed to handle EBBs.
12621 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12622 (ebb_head): New static variable.
12623 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12624 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12626 (compute_dom_prob_ps): New assertion.
12627 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12628 global_live_at_start.
12629 (init_ready_list): New assertions.
12630 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12631 (new_ready): Add support for BEGIN_CONTROL speculation.
12632 (schedule_insns): Fixed code that updates register live information
12634 (schedule_region): Fixed to handle EBBs.
12635 (init_regions): Use extend_regions and check_dead_notes1.
12636 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12637 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12638 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12639 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12640 TARGET_SCHED_GEN_CHECK,
12641 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12642 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12643 * doc/invoke.texi (max-sched-insn-conflict-delay,
12644 sched-spec-prob-cutoff): Document.
12646 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12648 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12649 inter_tick, queue_index.
12650 (struct sched_info): Change signature of init_ready_list field.
12651 Adjust all initializations.
12652 (RESOLVED_DEPS): New access macro.
12653 (ready_add): Remove prototype.
12654 (try_ready): Add prototype.
12655 * sched-rgn.c (init_ready_list): Use try_ready.
12656 (schedule_region): Initialize
12657 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12658 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12659 (init_ready_list): Use try_ready.
12660 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12661 * lists.c (remove_list_elem): Remove `static'.
12662 (remove_free_INSN_LIST_elem): New function.
12663 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12664 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12665 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12667 (readyp): New variable.
12668 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12669 change_queue_index, resolve_dep): New static functions.
12670 (try_ready): New function. Adjust callers in sched-rgn.c and
12671 sched-ebb.c to use it instead of ready_add.
12672 (clock_var): Move at the begining of file.
12673 (rank_for_schedule): Fix typo.
12674 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12675 (ready_lastpos): Enforce assertion.
12676 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12677 update all callers.
12678 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12679 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12680 (queue_to_ready): Use free_INSN_LIST_list.
12681 (early_queue_to_ready): Fix typo.
12682 (schedule_block): Init readyp. Move init_ready_list call after the
12683 initialization of clock_var. Fix error in rejecting insn by
12684 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12685 that previously corrected INSN_TICKs. Add code for handling
12687 (set_priorities): Fix typo.
12688 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12689 Clarify comment and code that keeps current_sched_info->next_tail
12692 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12694 * sched-rgn.c (extend_rgns): New static function.
12695 (find_rgns): Use it.
12696 (gather_region_statistics, print_region_statistics): New static
12698 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12699 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12701 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12702 Andrey Belevantsev <abel@ispras.ru>
12704 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12705 * lists.c (unused_deps_list): New variable.
12706 (free_list): Add assertions to verify the proper distinguishing
12707 between INSN_LISTs and DEPS_LISTs.
12708 (find_list_elem, remove_list_elem, remove_list_node): New static
12710 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12711 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12712 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12713 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12715 (free_INSN_LIST_node): Likewise.
12716 * modulo-sched.c (current_sched_info): Initialize flags field.
12717 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12718 * rtl.def (DEPS_LIST): Define.
12719 * rtl.h: Declare new functions from lists.c.
12720 * sched-deps.c (spec_dependency_cache): New static variable.
12721 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12722 (add_dependence): Change return type to void. Move the logic to ...
12723 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12724 (delete_all_dependences): Add comment about forward_dependency_cache.
12725 Handle spec_dependency_cache. Handle DEPS_LISTs.
12726 (fixup_sched_groups): Clarify the change of priority of output
12727 and anti dependencies.
12728 (sched_analyze_2): Adjust add_dependence calls to create data
12729 speculative dependence.
12730 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12731 Adjust all callers. Handle DEPS_LISTS.
12732 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12733 presence of speculation.
12734 (init_dependency_caches, free_dependency_caches):
12735 Handle spec_dependency_cache.
12736 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12737 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12738 New static functions.
12739 (add_or_update_back_dep, add_or_update_back_forw_dep,
12740 add_back_forw_dep, delete_back_forw_dep): New functions.
12741 * sched-int.h (ds_t, dw_t): New typedefs.
12742 (struct sched_info): Add new field flags.
12743 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12744 Prototype new sched-deps.c functions.
12745 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12746 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12747 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12748 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12749 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12750 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12752 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12754 * sched-rgn.c (current_sched_info): Initialize flags field.
12755 (schedule_insns): Initialize current_sched_info before the sched_init
12757 * sched-ebb.c (current_sched_info): Initialize flags field.
12758 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12759 Call add_or_update_back_dep instead of add_dependence.
12760 Create control speculative dependencies.
12761 (schedule_insns): Initialize current_sched_info before the sched_init
12764 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12766 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12768 (sh_fallback_frame_state): Likewise.
12770 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12772 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12773 Do switch on default_use_cxa_atexit.
12774 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12775 * config/darwin-crt3.o: New.
12776 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12777 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12778 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12780 * config/rs6000/t-darwin: Move crt2.o building to here.
12781 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12782 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12785 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12787 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12788 from '! xxx' to '!xxx' for coding-style conformance.
12789 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12790 (EXTRA_CONSTRAINT): Likewise.
12791 * config/vax/vax.md (four unnamed insns): Likewise.
12793 2006-03-15 Paul Brook <paul@codesourcery.com>
12795 * config/arm/arm.c (minipool_pad): New.
12796 (add_minipool_forward_ref): Include pool alignment padding in address
12798 (push_minipool_fix): Set minipool_pad.
12799 (minipool_pad): Ditto.
12801 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12803 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12804 instead of GET_CODE() == MEM and REG_P() instead of
12806 (print_operand_address): Likewise.
12807 (vax_address_cost): Likewise.
12808 (vax_rtx_costs): Likewise.
12809 (vax_notice_update_cc): Likewise.
12810 (vax_output_int_add): Likewise.
12811 (INDEX_REGISTER_P): Likewise.
12812 (BASE_REGISTER_P): Likewise.
12813 (nonindexed_address_p): Likewise.
12814 (vax_mode_dependent_address_p): Likewise.
12815 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12816 (PRINT_OPERAND): Likewise.
12817 * config/vax/vax.md (ashlsi3): Likewise.
12818 (ashlsi3): Likewise.
12819 (some more unnamed insns): Likewise.
12821 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12823 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12824 iterator-style macro.
12825 (mark_control_dependent_edges_necessary): Update the use of
12826 EXECUTE_IF_CONTROL_DEPENDENT.
12828 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12830 * config/sh/predicates.md (cache_address_operand): Special.
12831 (ua_address_operand): Likewise.
12833 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12835 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12837 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12839 2006-03-15 Andreas Schwab <schwab@suse.de>
12841 * gensupport.c (identify_predicable_attribute): Don't free p_false
12842 when it is still in use.
12844 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12846 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12847 the default setting here.
12849 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12851 * tree-pass.h (pass_cfg): Remove.
12852 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12853 * passes.c (pass_cfg): Don't run it.
12855 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12857 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12858 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12860 (stack_regs_mentioned): Update the uses of
12861 stack_regs_mentioned_data. Don't access the array beyond its
12863 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12864 Don't include gt-reg-stack.h.
12866 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12867 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12869 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12871 PR middle-end/26684
12872 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12875 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12877 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12879 2006-03-14 Richard Guenther <rguenther@suse.de>
12881 PR tree-optimization/26672
12882 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12885 2006-03-14 Richard Guenther <rguenther@suse.de>
12887 PR tree-optimization/26667
12888 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12889 node for the callees. Always allow inlining if it will shrink
12892 2006-03-14 Richard Guenther <rguenther@suse.de>
12894 PR middle-end/26659
12895 * builtins.c (get_pointer_alignment): Prefer alignment
12896 information from decls over that from types.
12898 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12901 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12903 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12905 * config/rs6000/rs6000.opt (mdlmzb): New option.
12906 (msched-prolog, msched-epilog): Use Var not Mask.
12907 * doc/invoke.texi (-mdlmzb): Document.
12908 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12910 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12911 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12913 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12915 PR rtl-optimization/25739
12916 * bt-load.c (augment_live_range): Free tos pointer.
12918 * gensupport.c (identify_predicable_attribute): Free
12920 * gcov.c (create_file_names): Free name pointer.
12922 2006-03-13 Roger Sayle <roger@eyesopen.com>
12924 PR middle-end/26557
12925 * stmt.c (emit_case_nodes): Handle the case where the index is a
12926 CONST_INT, where the comparison mode is specified by the index type.
12928 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12930 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12933 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12935 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12936 (*branch_fp_inverted): Likewise.
12938 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12940 PR middle-end/25989
12941 * omp-low.c (expand_omp_for_generic): Mark istart0
12942 and iend0 as addressable.
12944 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12946 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
12948 2006-03-13 Jeff Law <law@redhat.com>
12950 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
12951 virtual operands are interesting.
12952 (vrp_visit_stmt): Corresponding changes.
12954 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
12956 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
12958 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
12959 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
12960 * config/bfin/crti.S: Use it instead of __PIC__.
12961 * config/bfin/crtn.S: Likewise.
12963 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
12964 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
12966 Lose 'G' modifier for call operand.
12967 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
12968 recognize 'G' modifier.
12970 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
12972 PR middle-end/18859
12973 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
12974 * stmt.c (expand_case): Likewise.
12976 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12978 PR rtl-optimization/26254
12979 * loop-invariant.c (seq_insns_valid_p): New function.
12980 (move_invariant_reg): Only emit new code if it is valid.
12982 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12984 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
12986 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
12987 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
12988 (commit_one_edge_insertion): Do not look for loop notes.
12990 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12992 * jump.c (follow_jumps): Do not check for loop notes. Move check for
12993 flag_test_coverage out of loop.
12995 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
12997 * final.c (shorten_branches): Remove outdated comment, and turn
12998 the if branch that guards it to continue.
13000 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13002 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13003 * cfgloop.h (struct loop): Remove unused fields.
13005 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13007 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13008 (-dL, -fdump-rtl-loop2): Update the dump file names
13010 * doc/invoke.texi: Update dump file names.
13012 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13014 * predict.c (estimate_probability): Remove.
13015 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13016 * basic-block.h (estimate_probability): Remove prototype.
13017 * passes.c (finish_optimization_passes): Dump branch prediction or
13018 profiling heuristics to the .profile tree dump.
13019 (init_optimization_passes): Unqueue pass_branch_prob.
13021 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13023 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13025 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13026 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13028 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13030 * function.h (frame_offset_overflow): Declare.
13031 * function.c (frame_offset_overflow): New function.
13032 (assign_stack_local_1): Call it to detect that the offset overflows.
13033 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13035 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13037 * config/sh/sh.c: Include alloc-pool.h.
13038 (label_ref_list_pool): New alloc pool.
13039 (label_ref_list_t): New type for lists of labels.
13040 (struct pool_node): Make wend a label_ref_list_t.
13041 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13043 (dump_table): Likewise.
13044 (sh_reorg): Set up the alloc pool before using add_constant and
13045 dump_table, and destroy it when finishing.
13047 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13049 * config/mips/mips.c: Remove redundant comment.
13051 2006-03-10 Jason Merrill <jason@redhat.com>
13054 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13055 the target was declared 'register'.
13057 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13059 * genpreds.c (write_insn_constraint_len): Change definition of
13060 insn_constraint_len to return size_t to match the declaration.
13062 2006-03-10 DJ Delorie <dj@redhat.com>
13064 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13066 (m32c_expand_insv): Fix test for an AND mask.
13068 2006-03-10 Richard Guenther <rguenther@suse.de>
13070 PR middle-end/26565
13071 * builtins.c (get_pointer_alignment): Handle component
13072 references for field alignment.
13074 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13076 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13077 when building with libgloss.
13078 (sh*elf): Implement --without-fp option.
13079 (sh64-superh-linux*): Don't multilib.
13081 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13083 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13085 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13087 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13088 Set it when one of the replacement functions returned true.
13089 Return TODO_cleanup_cfg if cfgchanged is true.
13090 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13092 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13094 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13095 instead of gen_lowpart.
13097 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13099 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13101 (mips_output_order_conditional_branch): Declare.
13102 * config/mips/mips.h (MIPS_BRANCH): New macro.
13103 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13104 for the comparison. Use gen_condjump.
13105 (mips_output_conditional_branch): Rework interface to take the
13106 asm templates for a direct branch and the inverse of a direct branch.
13107 (mips_output_order_conditional_branch): New function.
13108 (mips_builtin_branch_and_move): New function.
13109 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13110 branch condition. Use gen_single_cc as the condition for
13111 __builtin_mips_upper_* or __builtin_mips_lower_*.
13112 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13113 Use VOIDmode for the branch condition.
13114 * config/mips/predicates.md (order_operator): New predicate.
13115 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13116 (branch_fp): Rename to...
13117 (*branch_fp): ...this. Remove mode from comparison operator.
13118 Use new mips_output_conditional_branch interface.
13119 (branch_fp_inverted): Rename to...
13120 (*branch_fp_inverted): ...this and update as for *branch_fp.
13121 (*branch_zero<mode>): Rename to...
13122 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13123 Use mips_output_order_conditional_branch. Only accept ordered
13125 (*branch_zero<mode>_inverted): Rename to...
13126 (*branch_order<mode>_inverted): ...this and update as for
13127 *branch_order<mode>.
13128 (*branch_equality<mode>): Accept zero as the second operand to
13129 the equality operator. Use the new mips_output_conditional_branch
13131 (*branch_equality<mode>_inverted): Likewise.
13132 (condjump): New expander.
13133 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13135 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13136 (bc1any2t, bc1any2f): Likewise.
13137 (single_cc): New expander.
13138 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13140 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13142 * doc/md.texi: Update documentation of MIPS constraints.
13143 * config/mips/constraints.md: New file.
13144 * config/mips/mips.md: Include it.
13145 * config/mips/mips.c (mips_char_to_class): Delete.
13146 (override_options): Don't initialize mips_char_to_class.
13147 * config/mips/mips.h (mips_char_to_class): Delete.
13148 (REG_CLASS_FROM_LETTER): Delete.
13149 (CONST_OK_FOR_LETTER_P): Delete.
13150 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13151 (EXTRA_CONSTRAINT_Y): Delete.
13152 (EXTRA_CONSTRAINT_STR): Delete.
13153 (CONSTRAINT_LEN): Delete.
13154 (EXTRA_MEMORY_CONSTRAINT): Delete.
13156 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13158 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13159 original fn's eh regions.
13161 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13163 * fold-const.c (build_range_check): Make sure to use a valid type to
13164 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13167 (range_predecessor): New static function.
13168 (range_successor): Likewise.
13169 (merge_ranges): Use them to compute predecessors and successors of
13172 2006-03-09 Roger Sayle <roger@eyesopen.com>
13174 PR middle-end/26561
13175 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13176 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13178 2006-03-08 DJ Delorie <dj@redhat.com>
13180 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13181 (addpsi3): Expand to include memory operands. Remove
13182 reload-specific splits.
13183 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13184 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13185 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13186 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13187 (shift1_qi, shift1_hi, insv): New.
13188 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13189 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13190 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13192 * config/m32c/m32c-protos.h: Update as needed.
13193 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13194 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13195 Fail for unrecognized R* constraints.
13196 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13197 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13198 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13200 (m32c_init_libfuncs): New.
13201 (m32c_legitimate_address_p): Add debug wrapper.
13202 (m32c_rtx_costs): New.
13203 (m32c_address_cost): New.
13204 (conversions): Add 'B' prefix.
13205 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13206 operands, or word regnames for QI operands. 'B' prints bit
13208 (m32c_expand_setmemhi): New.
13209 (m32c_expand_movmemhi): New.
13210 (m32c_expand_movstr): New.
13211 (m32c_expand_cmpstr): New.
13212 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13213 (m32c_expand_neg_mulpsi3): Handle non-ints.
13214 (m32c_cmp_flg_0): New.
13215 (m32c_expand_movcc): New.
13216 (m32c_expand_insv): New.
13217 (m32c_scc_pattern): New.
13218 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13219 a0/a1 out of SIregs.
13220 (STORE_FLAG_VALUE): New.
13221 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13224 * config/m32c/mov.md: Make constraints more liberal.
13225 (zero_extendqihi2): Optimize r0/r1 case.
13226 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13227 * config/m32c/predicates.md (m32c_any_operand): New.
13228 (m32c_nonimmediate_operand): New.
13229 (m32c_hl_operand): New.
13230 (m32c_r3_operand): New.
13233 (memsym_operand): New.
13234 (memimmed_operand): New.
13235 (a_qi_operand): New.
13236 (m32c_eqne_operator): New.
13237 (m32c_1bit8_operand): New.
13238 (m32c_1bit16_operand): New.
13239 (m32c_1mask8_operand): New.
13240 (m32c_1mask16_operand): New.
13241 * config/m32c/blkmov.md: New file.
13242 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13244 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13246 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13247 unsigned to fix signed/unsigned comparison issue in
13248 DWARF2_FRAME_REG_OUT.
13249 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13250 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13252 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13253 of ptr into the ENABLE_CHECKING section.
13255 2006-03-08 Jeff Law <law@redhat.com>
13257 * tree-vrp.c (infer_value_range): Only count pointer uses
13258 and dereferences if -fdelete-null-pointer-checks is enabled.
13260 * tree-vrp.c (find_assert_locations): Infer value ranges for
13261 single use pointers, but do not create ASSERT_EXPRs for them.
13262 When a non-null range is inferred for a pointer, backwards
13263 propagate that range to other equivalent pointers through the
13266 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13269 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13270 language hook targets.
13271 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13272 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13273 if language hook targets were missing.
13275 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13277 * tree-ssa-opfinalize.h: Removed.
13278 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13280 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13281 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13282 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13283 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13284 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13285 finalize_ssa_v_must_def_ops): New.
13287 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13289 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13290 block as parameter.
13292 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13294 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13296 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13297 addresses with offsets; reorganize.
13299 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13300 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13301 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13303 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13306 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13308 2006-03-08 Ben Elliston <bje@au.ibm.com>
13310 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13312 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13315 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13318 2006-03-07 Richard Guenther <rguenther@suse.de>
13320 PR tree-optimization/26587
13321 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13323 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13325 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13327 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13329 * hooks.c (hook_bool_mode_rtx_true): New function.
13330 * hooks.h (hook_bool_mode_rtx_true): Declare.
13331 * toplev.c (compile_file): Call output_shared_constant_pool.
13332 * varasm.c (shared_constant_pool): New variable.
13333 (assemble_start_function, assemble_end_function): Remove arguments
13334 from call to output_constant_pool.
13335 (create_constant_pool): New function, split out from...
13336 (init_varasm_status): ...here.
13337 (force_const_mem): Choose between the shared and per-function constant
13338 pools. Set current_function_uses_const_pool when reusing old entries
13339 as well as when creating new ones.
13340 (mark_constant): Ignore data argument.
13341 (mark_constants): Remove pool argument.
13342 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13343 to decide whether the function uses a constant pool.
13344 (output_constant_pool_contents): New function, split out from...
13345 (output_constant_pool): ...here.
13346 (output_shared_constant_pool): New function.
13347 (init_varasm_once): Initialize shared_constant_pool.
13348 * output.h (output_constant_pool): Delete.
13349 (output_shared_constant_pool): Declare.
13350 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13351 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13353 2006-03-06 Nick Clifton <nickc@redhat.com>
13355 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13356 flag_strength_reduce.
13358 2006-03-06 Ben Elliston <bje@au.ibm.com>
13360 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13361 x86_64-*-linux* configurations.
13363 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13364 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13366 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13368 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13370 * basic-block.h: Remove the extern for
13371 rediscover_loops_after_threading.
13373 * cfgloop.c (cancel_loop): Make it static.
13374 * cfgloop.h: Remove the prototype for cancel_loop.
13376 * flow.c (recompute_reg_usage): Make it static.
13377 * rtl.h: Remove the prototype for recompute_reg_usage.
13379 * function.c (use_return_register): Make it static.
13380 * function.h: Remove the prototype.
13382 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13384 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13386 * recog.h: Remove the prototype for
13387 validate_change_maybe_volatile.
13389 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13391 * rtlanal.c (replace_reg): Remove.
13392 * rtl.h: Remove the prototype for replace_reg.
13394 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13396 * regclass.c (reg_scan_update): Remove.
13397 (reg_scan_mark_refs): Remove the last argument.
13398 * rtl.h: Remove the prototype for reg_scan_update.
13400 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13402 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13403 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13404 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13405 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13406 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13407 loop-invariant.c, omp-low.c, opts.c, passes.c,
13408 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13409 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13410 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13411 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13412 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13413 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13415 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13417 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13418 * dwarf2out.h: Remove the prototype for
13419 dwarf2out_add_library_unit_info.
13421 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13423 * tree.c (add_var_to_bind_expr): Remove.
13424 * tree.h: Remove the prototype for add_var_to_bind_expr.
13426 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13428 * regclass.c (n_non_fixed_regs): Remove.
13429 (init_reg_sets_1, globalize_reg): Remove all uses of
13431 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13433 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13435 * rtlanal.c (insns_safe_to_move_p): Remove.
13436 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13438 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13440 * expmed.c (expand_mult_add): Remove.
13441 * expr.h: Remove the prototype for expand_mult_add.
13443 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13445 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13446 and REG_SAVED_VAL_EXP constants.
13447 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13448 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13449 Handle regs stored by value.
13450 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13451 (execute_cfa_program): Handle DW_CFA_val_offset,
13452 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13453 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13454 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13455 (uw_install_context_1): Handle target regs stored by value.
13457 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13459 * tree-sra.c (tree_sra): Return todoflags;
13460 (generate_one_element): Set TODO_update_smt_usage if needed.
13461 (pass_sra): Remove TODO_update_smt_usage.
13462 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13464 (tree_ssa_forward_propagate_single_use_vars): Return
13465 TODO_update_smt_usage if we need to update SMT usage.
13466 (pass_forwprop): Remove TODO_update_smt_usage.
13468 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13470 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13471 (correct_use_link): Remove reference to get_stmt_operands.
13472 (update_stmt_operands): Likewise.
13473 (get_modify_expr_operands): New function factored out of
13474 parse_ssa_operands and get_expr_operands.
13475 Try to create V_MUST_DEFs for LHS by default.
13476 (get_expr_operands) <case MODIFY_EXPR>: Call
13477 get_modify_expr_operands.
13478 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13479 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13480 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13481 get_modify_expr_operands.
13483 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13485 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13486 * tree-flow.h: Remove the prototype for
13487 referenced_var_lookup_if_exists.
13489 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13491 PR rtl-optimization/26345
13493 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13495 2006-03-03 Roger Sayle <roger@eyesopen.com>
13497 PR tree-optimization/26524
13498 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13499 fold_convert to create a constant of the appropriate type.
13501 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13503 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13504 SYMBOL_REF_IN_BLOCK_P.
13505 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13506 of SYMBOL_FLAG_IN_BLOCK.
13507 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13508 instead of SYMBOL_REF_IN_BLOCK_P.
13509 * explow.c (use_anchored_address): Likewise.
13510 * rtl.c (rtx_size): Likewise.
13511 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13512 instead of SYMBOL_FLAG_IN_BLOCK.
13513 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13514 SYMBOL_REF_IN_BLOCK_P.
13515 (assemble_variable): Likewise.
13516 (output_constant_def_contents): Likewise.
13517 (output_constant_pool): Likewise.
13518 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13519 instead of SYMBOL_FLAG_IN_BLOCK.
13520 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13521 SYMBOL_REF_IN_BLOCK_P.
13522 (SYMBOL_REF_BLOCK): Likewise.
13523 (SYMBOL_REF_OFFSET): Likewise.
13524 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13525 SYMBOL_REF_IN_BLOCK_P.
13526 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13527 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13528 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13529 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13531 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13533 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13535 2006-03-02 Roger Sayle <roger@eyesopen.com>
13537 * simplify-rtx.c (simplify_unary_operation): When simplifying
13538 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13539 that we perform the right shift in the appropriate mode, and
13540 then extend or truncate the result to requested mode.
13542 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13544 * gengtype.c (main): Handle double_int type.
13545 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13546 * double-int.c: New file.
13547 * double-int.h: New file.
13548 * system.h: Include doubleint.h.
13549 * Makefile.in (SYSTEM_H): Include double-int.h.
13550 (double-int.o): Add.
13552 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13555 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13558 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13560 * tree-vrp.c (remove_range_assertions): Do not update statements
13563 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13565 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13567 * gcse.c (rest_of_handle_gcse): Ditto.
13568 * except.c (gate_handle_eh): Ditto.
13569 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13570 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13572 2006-03-02 Eric Christopher <echristo@apple.com>
13574 * config/i386/i386.c (machopic_output_stub): Add indirection to
13577 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13581 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13583 Sun Niagara specific optimizations.
13584 * config.gcc: Recognize niagara as target.
13585 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13586 (TARGET_CPU_niagara): Define.
13587 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13588 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13589 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13590 (ASM_CPU_SPEC): Likewise.
13591 (PROCESSOR_NIAGARA): New enum entry.
13592 (REGISTER_MOVE_COST): Handle Niagara.
13593 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13594 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13595 (sparc_override_options): Recognize "niagara", set appropriate
13596 default MASK_* values for it, and align functions to 32-bytes
13597 by default just like ULTRASPARC/ULTRASPARC3.
13598 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13599 (sparc64_initialize_trampoline): Likewise.
13600 (sparc_use_sched_lookahead): Use zero for niagara.
13601 (sparc_issue_rate): Use one for niagara.
13602 * config/sparc/niagara.md: New file.
13603 * config/sparc/sparc.md: Include it.
13604 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13605 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13606 when default cpu is niagara.
13607 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13608 (ASM_CPU_SPEC): Likewise.
13609 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13610 when default cpu is niagara.
13611 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13612 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13613 just like v9/ultrasparc/ultrasparc3.
13614 * doc/invoke.texi: Add documentation for "niagara" and improve
13615 existing documentation for ultrasparc variants.
13617 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13619 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13621 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13623 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13624 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13625 and say that only one is needed.
13626 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13627 * target.h (have_switchable_bss_sections): New hook.
13628 * explow.c (use_anchored_address): Check that the symbol is in a block.
13629 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13630 (bss_noswitch_section): New variables.
13631 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13632 (get_noswitch_section): New function.
13633 (get_block_for_section): Allow SECT to be null.
13634 (unlikely_text_section_p): Use SECTION_STYLE.
13635 (bss_initializer_p): New function.
13636 (get_variable_section): Move earlier in file. Take a new argument,
13637 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13638 Return one of the new *_sections in such cases.
13639 (get_block_for_decl): New function, extracting some logic from
13640 use_blocks_for_decl_p.
13641 (change_symbol_section): Remove in favor of...
13642 (change_symbol_block): ...this new function.
13643 (use_blocks_for_decl_p): Remove checks now performed by
13644 get_block_for_decl.
13645 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13646 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13647 (emit_local, emit_bss, emit_common): ...these new functions.
13648 Return true if the alignment was honored.
13649 (emit_tls_common): New function.
13650 (asm_emit_uninitialised): Delete.
13651 (assemble_variable_noswitch): New function, split out from...
13652 (assemble_variable): ...here. Don't make decisions about common
13653 variables here. Globalize all public decls that go into non-common
13654 sections. Check whether SYMBOL_REF_BLOCK is null.
13655 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13656 (output_constant_pool): Likewise.
13657 (init_varasm_once): Initialize the new section variables.
13658 (have_global_bss_p): New function.
13659 (categorize_decl_for_section): Use bss_initializer_p.
13660 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13661 (place_block_symbol): Assert that the symbol must be in a block.
13662 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13663 (TARGET_INITIALIZER): Include it.
13664 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13665 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13666 (SECTION_MACH_DEP): Bump by two.
13667 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13668 (unnamed_section): Mention SECTION_UNNAMED in comment.
13669 (named_section): Likewise SECTION_NAMED.
13670 (noswitch_section_callback): New type.
13671 (noswitch_section): New structure.
13672 (section): Add a noswitch_section alternative.
13673 (SECTION_STYLE): New macro.
13674 (tls_comm_section, comm_section, lcomm_section): Declare.
13675 (bss_noswitch_section, have_global_bss_p): Declare.
13676 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13677 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13679 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13680 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13683 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13685 * tree-vrp.c (execute_vrp): Return value.
13686 * regrename.c (rest_of_handle_regrename): Ditto.
13687 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13688 * tree-complex.c (tree_lower_complex): Ditto.
13689 (tree_lower_complex_O0): Ditto.
13690 * tracer.c (rest_of_handle_tracer): Ditto.
13691 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13692 * postreload.c (rest_of_handle_postreload): Ditto.
13693 * tree-tailcall.c (execute_tail_recursion): Ditto.
13694 (execute_tail_calls): Ditto.
13695 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13696 * tree.h (init_function_for_compilation): Ditto.
13697 * ipa-cp.c (ipcp_driver): Ditto.
13698 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13699 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13700 * final.c (compute_alignments): Ditto.
13701 (rest_of_handle_final): Ditto.
13702 (rest_of_handle_shorten_branches): Ditto.
13703 (rest_of_clean_state): Ditto.
13704 * omp-low.c (execute_expand_omp): Ditto.
13705 (execute_lower_omp): Ditto.
13706 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13707 * ipa-reference.c (static_execute): Ditto.
13708 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13709 * reorg.c (rest_of_handle_delay_slots): Ditto.
13710 (rest_of_handle_machine_reorg): Ditto.
13711 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13712 * flow.c (recompute_reg_usage): Ditto.
13713 (rest_of_handle_remove_death_notes): Ditto.
13714 (rest_of_handle_life): Ditto.
13715 (rest_of_handle_flow2): Ditto.
13716 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13717 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13718 (do_ssa_store_ccp): Ditto.
13719 (execute_fold_all_builtins): Ditto.
13720 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13721 * modulo-sched.c (rest_of_handle_sms): Ditto.
13722 * ipa-pure-const.c (static_execute): Ditto.
13723 * cse.c (rest_of_handle_cse): Ditto.
13724 (rest_of_handle_cse2): Ditto.
13725 * web.c (rest_of_handle_web): Ditto.
13726 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13727 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13728 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13729 * tree-nrv.c (tree_nrv): Ditto.
13730 (execute_return_slot_opt): Ditto.
13731 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13732 (create_structure_vars): Ditto.
13733 * loop-init.c (rtl_loop_init): Ditto.
13734 (rtl_loop_done): Ditto.
13735 (rtl_move_loop_invariants): Ditto.
13736 (rtl_unswitch): Ditto.
13737 (rtl_unroll_and_peel_loops): Ditto.
13738 (rtl_doloop): Ditto.
13739 * gimple-low.c (lower_function_body): Ditto.
13740 (mark_used_blocks): Ditto.
13741 * tree-ssa-sink.c (execute_sink_code): Ditto.
13742 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13743 (cgraph_early_inlining): Ditto.
13744 * global.c (rest_of_handle_global_alloc): Ditto.
13745 * jump.c (cleanup_barriers): Ditto.
13746 (purge_line_number_notes): Ditto.
13747 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13748 (rest_of_handle_if_after_reload): Ditto.
13749 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13750 (tree_ssa_loop_im): Ditto.
13751 (tree_ssa_loop_unswitch): Ditto.
13752 (tree_vectorize): Ditto.
13753 (tree_linear_transform): Ditto.
13754 (tree_ssa_loop_ivcanon): Ditto.
13755 (tree_ssa_empty_loop): Ditto.
13756 (tree_ssa_loop_bounds): Ditto.
13757 (tree_complete_unroll): Ditto.
13758 (tree_ssa_loop_prefetch): Ditto.
13759 (tree_ssa_loop_ivopts): Ditto.
13760 (tree_ssa_loop_done): Ditto.
13761 * predict.c (tree_estimate_probability): Ditto.
13762 * recog.c (split_all_insns_noflow): Ditto.
13763 (rest_of_handle_peephole2): Ditto.
13764 (rest_of_handle_split_all_insns): Ditto.
13765 * tree-eh.c (lower_eh_constructs): Ditto.
13766 * regmove.c (rest_of_handle_regmove): Ditto.
13767 (rest_of_handle_stack_adjustments): Ditto.
13768 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13769 * function.c (instantiate_virtual_regs): Ditto.
13770 (init_function_for_compilation): Ditto.
13771 (rest_of_handle_check_leaf_regs): Ditto.
13772 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13773 (rest_of_handle_gcse): Ditto.
13774 * ipa-type-escape.c (type_escape_execute): Ditto.
13775 * alias.c (rest_of_handle_cfg): Ditto.
13776 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13777 * profile.c (rest_of_handle_branch_prob): Ditto.
13778 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13779 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13780 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13781 * tree-dfa.c (find_referenced_vars): Ditto.
13782 * except.c (set_nothrow_function_flags): Ditto.
13783 (convert_to_eh_region_ranges): Ditto.
13784 (rest_of_handle_eh): Ditto.
13785 * emit-rtl.c (unshare_all_rtl): Ditto.
13786 (remove_unnecessary_notes): Ditto.
13787 * except.h (set_nothrow_function_flags): Ditto.
13788 (convert_to_eh_region_ranges): Ditto.
13789 * cfgexpand.c (tree_expand_cfg): Ditto.
13790 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13791 * tree-ssa-pre.c (do_pre): Ditto.
13792 (execute_fre): Ditto.
13793 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13794 (rest_of_handle_jump2): Ditto.
13795 * tree-sra.c (tree_sra): Ditto.
13796 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13797 (execute_mudflap_function_decls): Ditto.
13798 * tree-ssa-copy.c (do_copy_prop): Ditto.
13799 (do_store_copy_prop): Ditto.
13800 * ipa-prop.h (ipcp_driver): Ditto.
13801 * cfglayout.c (insn_locators_initialize): Ditto.
13802 * tree-ssa-forwprop.c
13803 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13804 * cfglayout.h (insn_locators_initialize): Ditto.
13805 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13806 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13807 (execute_late_warn_uninitialized): Ditto.
13808 * rtl.h (cleanup_barriers): Ditto.
13809 (split_all_insns_noflow): Ditto.
13810 (purge_line_number_notes): Ditto.
13811 (unshare_all_rtl): Ditto.
13812 (remove_unnecessary_notes): Ditto.
13813 (recompute_reg_usage): Ditto.
13814 (variable_tracking_main): Ditto.
13815 * integrate.c (emit_initial_value_sets): Ditto.
13816 * integrate.h (emit_initial_value_sets): Ditto.
13817 * tree-optimize.c (execute_free_datastructures): Ditto
13818 (execute_free_cfg_annotations): Ditto.
13819 (execute_fixup_cfg): Ditto.
13820 (execute_cleanup_cfg_pre_ipa): Ditto.
13821 (execute_cleanup_cfg_post_optimizing): Ditto.
13822 (execute_init_datastructures): Ditto.
13823 * tree-object-size.c (compute_object_sizes): Ditto.
13824 * combine.c (rest_of_handle_combine): Ditto.
13825 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13826 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13827 (rest_of_handle_reorder_blocks): Ditto.
13828 (rest_of_handle_partition_blocks): Ditto.
13829 * var-tracking.c (variable_tracking_main): Ditto.
13830 * tree-profile.c (tree_profiling): Ditto.
13831 * tree-vect-generic.c (expand_vector_operations): Ditto.
13832 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13833 * sched-rgn.c (rest_of_handle_sched): Ditto.
13834 (rest_of_handle_sched2): Ditto.
13835 * basic-block.h (free_bb_insn): Ditto.
13836 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13837 * tree-cfg.c (execute_build_cfg): Ditto.
13838 (remove_useless_stmts): Ditto.
13839 (split_critical_edges): Ditto.
13840 (execute_warn_function_return): Ditto.
13841 (execute_warn_function_noreturn): Ditto.
13842 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13843 * cfgrtl.c (free_bb_for_insn): Ditto.
13844 * passes.c (execute_one_pass): Run additional
13845 todos returned by execute function.
13846 * tree-pass.h (struct tree_opt_pass): Make execute
13849 2006-03-02 Richard Guenther <rguenther@suse.de>
13851 * tree-ssa-alias.c (find_used_portions): Consider taking
13852 the address as making the variable not write-only.
13854 2006-03-02 Nick Clifton <nickc@redhat.com>
13856 * config.gcc (default_use_cxa_atexit): Extend the description of
13857 this configure variable. Set its default value to "yes" for
13858 Linux, NetBSD and ELF targets on the assumption that they will
13859 use C libraries with the __cxa_atexit function.
13861 2006-03-02 Ben Elliston <bje@au.ibm.com>
13863 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13864 parameter as unused to suppress a build warning.
13866 2006-03-02 Ben Elliston <bje@au.ibm.com>
13868 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13871 2006-03-01 Roger Sayle <roger@eyesopen.com>
13874 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13875 declared name, the weak reference name, and the typeof name.
13876 (__gthrw): Avoid expanding the declared name suffix.
13877 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13879 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13881 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13883 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13884 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13885 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13886 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13887 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13888 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13889 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13890 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13891 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13892 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13893 (DW_END_default, DW_END_big, DW_END_little): New.
13894 (DW_END_lo_user, DW_END_hi_user): Define.
13895 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13896 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13897 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13900 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13902 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13904 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13906 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13908 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13910 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13911 to 'symbol_mem_tag'.
13913 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13916 2006-03-01 Roger Sayle <roger@eyesopen.com>
13918 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13920 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13923 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13924 MACHO_DYNAMIC_NO_PIC_P.
13925 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13927 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13930 * config/darwin-protos.h (darwin_asm_output_anchor):
13932 * config/darwin-sections.def (cstring_section):
13933 Add SECTION_MERGE to the flags.
13934 (literal4_section): Likewise.
13935 (literal8_section): Likewise.
13936 (objc_selector_refs_section): Likewise.
13937 (objc_cls_refs_section): Likewise.
13938 * config/darwin.c (darwin_asm_output_anchor): New
13940 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13942 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13944 Fix PR tree-optimization/26443
13945 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13946 to todo and PROP_tmt_usage to properties_destroyed.
13947 * tree-ssa-ccp.c (pass_ccp): Ditto.
13948 (pass_store_ccp): Ditto.
13949 * tree-ssa-dom.c (pass_dominator): Ditto.
13951 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13953 * tree-ssa-operands.c: Cleanup whitespace.
13954 (get_asm_expr_operands): Move before first invocation.
13955 (get_indirect_ref_operands): Likewise.
13956 (get_tmr_operands): Likewise.
13957 (get_call_expr_operands): Likewise.
13958 (append_def): Likewise.
13959 (append_use): Likewise.
13960 (append_v_may_def): Likewise.
13961 (append_v_must_def): Likewise.
13962 (add_call_clobber_ops): Likewise.
13963 (add_call_read_ops): Likewise.
13964 (add_stmt_operand): Likewise.
13965 (add_virtual_operand): Likewise.
13966 (build_ssa_operands): Likewise.
13968 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13970 PR middle-end/26022
13972 PR middle-end/24437
13973 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13974 with a call expr to ...
13975 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13977 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13979 * tree-vrp.c (extract_range_from_assert): Remove special
13980 handling for types with super-types.
13982 2006-03-01 Ben Elliston <bje@au.ibm.com>
13984 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
13985 and powerpc64-*-linux* configurations.
13986 * config/t-dfprules: New file.
13988 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
13989 Compile dfp-bit.c from the source directory using -DWIDTH and
13990 $DFP_CFLAGS to control the compilation of that file, rather than
13991 generating width-specific versions in the build directory.
13992 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
13993 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
13995 2006-02-28 Zack Weinberg <zackw@panix.com>
13997 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14000 2006-02-28 Eric Christopher <echristo@apple.com>
14002 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14003 Set up IN_LIBGCC definition of TARGET_64BIT.
14004 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14006 2006-02-28 Roger Sayle <roger@eyesopen.com>
14008 PR middle-end/14752
14009 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14010 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14011 cases via the construction of "expr != 0".
14013 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14015 * alias.c (alias_invariant, alias_invariant_size): Remove.
14016 (record_base_value): Remove.
14017 (memrefs_conflict_p): Don't look at alias_invariant.
14018 (end_alias_analysis): Don't free it.
14019 * alias.h (record_base_value): Remove prototype.
14021 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14022 Adam Nemet <anemet@caviumnetworks.com>
14024 * rtl.h (truncated_to_mode): Declare it.
14025 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14026 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14027 (RTL_HOOKS_INITIALIZER): Include it.
14028 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14029 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14030 reg_truncated_to_mode.
14031 * rtlanal.c (truncated_to_mode): Define it.
14032 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14034 2006-02-28 Jeff Law <law@redhat.com>
14036 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14037 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14038 the range allowed by TYPE_PRECISION.
14040 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14042 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14044 PR tree-optimization/26419
14045 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14048 2006-02-27 Zack Weinberg <zackw@panix.com>
14050 * doc/md.texi: Fix typo in previous change.
14052 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14056 2006-02-27 Zack Weinberg <zackw@panix.com>
14058 * rtl.def (define_constraint, define_register_constraint)
14059 (define_memory_constraint, define_address_constraint): New MD forms.
14060 * gensupport.c (process_rtx): Put define_constraint etc on the
14062 * genpreds.c (process_define_predicate): Adjust comment. Validate
14063 the name, and call validate_exp to validate the expression.
14064 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14065 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14066 all callers changed.
14067 (validate_exp, needs_variable, struct constraint_data)
14068 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14069 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14070 (const_dbl_constraints, constraint_max_namelen)
14071 (have_register_constraints, have_memory_constraints)
14072 (have_address_constraints, have_address_constraints)
14073 (have_extra_constraints, have_const_int_constraints)
14074 (have_const_dbl_constraints, mangle, add_constraint)
14075 (process_define_constraint, process_define_register_constraint)
14076 (write_enum_constraint_num, write_lookup_constraint)
14077 (write_insn_constraint_len, write_regclass_for_constraint)
14078 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14079 (write_insn_extra_memory_constraint)
14080 (write_insn_extra_address_constraint)
14081 (write_satisfies_constraint_fns): New.
14082 (write_tm_preds_h): If we have new-style constraint definitions,
14083 prototype the functions generated from them, and define the
14084 old constraint interface (still used by generic code) in terms of
14086 (write_insn_preds_c): If we have new-style constraint definitions,
14087 generate all relevant functions from those definitions.
14088 (main): Handle define_constraint etc.
14089 * genoutput.c (struct constraint_data, indep_constraints)
14090 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14091 (mdep_constraint_len): New data structures and functions, defined
14092 #ifdef USE_MD_CONSTRAINTS.
14093 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14094 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14095 use new logic to validate operand constraints against constraint
14097 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14099 * defaults.h: If none of the old-style constraint macros are
14100 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14101 old-style macros; and poison REG_CLASS_FROM_LETTER,
14102 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14104 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14105 * doc/md.texi: Document new constraint-definition mechanism and the
14106 C interface it provides. Remove references to old mechanism
14107 elsewhere in the document.
14108 (Machine Constraints): Use pathnames relative to gcc directory,
14109 i.e. config/ARCH/FILE. Change i386 section to refer to
14110 config/i386/predicates.md; update that section to match docstrings.
14111 * doc/tm.texi: Move all documentation of the old constraint-
14112 definition macros to their own section, clearly mark as obsolete.
14114 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14115 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14117 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14118 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14119 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14120 constraint strings.
14121 (splits and peepholes): Use satisfies_constraint_*.
14122 * config/i386/i386.c (memory_address_length)
14123 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14125 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14127 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14128 scalar operation to be put back into the loop.
14130 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14133 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14134 (extract_cie_info): Handle S flag in augmentation string.
14135 (execute_cfa_program): If context->signal_frame, execute also
14136 fs->pc == context->ra instructions.
14137 (uw_frame_state_for): If context->signal_frame, don't subtract one
14138 from context->ra to find FDE.
14139 (uw_update_context_1): Set context->signal_frame to
14141 (_Unwind_GetIPInfo): New function.
14142 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14143 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14145 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14146 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14147 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14148 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14149 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14150 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14151 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14152 x86_64_fallback_frame_state): Set fs->signal_frame.
14153 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14154 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14155 (frob_update_context): Likewise. Workaround missing S flag in
14156 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14157 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14158 Remove the psw_addr + 1 hack.
14160 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14162 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14163 with aggregates here.
14164 (find_func_aliases): Remove code for &<aggregate> from here.
14166 2006-02-26 Roger Sayle <roger@eyesopen.com>
14168 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14169 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14170 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14171 as (X & C) ne/eq 0.
14173 2006-02-26 Roger Sayle <roger@eyesopen.com>
14175 PR middle-end/19983
14176 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14178 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14180 * opts.c (decode_options): Do not handle flag_strength_reduce.
14181 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14182 and OPT_fstrength_reduce.
14183 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14184 flag_prefetch_loop_arrays for being nonzero.
14185 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14187 (fprefetch-loop-arrays-rtl): Removed.
14188 (flag_prefetch_loop_arrays): Do not specify the value.
14190 * doc/passes.texi: Update documentation of loop optimizer
14192 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14193 -frerun-loop-opt): Remove.
14195 2006-02-26 Richard Guenther <rguenther@suse.de>
14197 PR tree-optimization/26421
14198 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14199 in function calls that are ADDR_EXPRs as using the whole structure.
14201 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14203 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14204 * tree-pass.h (pass_loop_optimize): Remove.
14205 * passes.c (pass_loop_optimize): Never run it.
14206 * toplev.c (backend_init): Don't call init_loop.
14207 * opts.c (flag_loop_optimize_set): Remove.
14208 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14209 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14210 the old RTL loop optimizer when profiling enabled.
14211 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14212 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14213 pre-headers for the sake of the old RTL loop optimizer.
14214 * Makefile.in: Remove all references to loop.o.
14216 * doc/invoke.texi: Remove all references to -floop-optimize
14217 and -frerun-loop-opt.
14219 2006-02-26 Zack Weinberg <zackw@panix.com>
14221 * doc/md.texi (Machine Constraints): Refer to all files with paths
14222 relative to gcc directory (i.e. config/CPU/file). Add missing
14223 @table @code ... @end table to M32C subsection.
14225 2006-02-26 Roger Sayle <roger@eyesopen.com>
14227 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14229 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14231 2006-02-26 Roger Sayle <roger@eyesopen.com>
14232 James A. Morrison <phython@gcc.gnu.org>
14234 PR middle-end/21137
14235 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14236 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14237 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14238 signedness of the shift operation.
14240 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14242 PR tree-optimization/26359
14243 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14245 2006-02-25 Roger Sayle <roger@eyesopen.com>
14247 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14248 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14249 as X == 0, and some symmetry related transformations.
14250 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14252 2006-02-25 Roger Sayle <roger@eyesopen.com>
14254 PR middle-end/23673
14255 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14256 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14257 symmetry related transformations. Fold (X^C1) == C2 as
14260 2006-02-25 Juergen Weigert <jw@suse.de>
14261 Richard Guenther <rguenther@suse.de>
14263 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14265 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14267 * combine.c (gen_lowpart_or_truncate): Call
14268 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14270 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14272 * doc/invoke.texi: Move -fopenmp description to "Options for
14274 Remove reference to -lgomp.
14276 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14278 * doc/install.texi: Require GNU tar version 1.14.
14280 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14282 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14283 * doc/invoke.texi (C++ Dialect Options): Document
14284 -fno-use-cxa-get-exception-ptr.
14285 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14286 * configure: Regenerate.
14287 * c.opt (fuse-cxa-get-exception-ptr): New.
14288 * c-opts.c (c_common_handle_option): Handle
14289 OPT_fuse_cxa_get_exception_ptr.
14290 * c-common.c (flag_use_cxa_atexit): Update documentation.
14291 (flag_use_cxa_get_exception_ptr): New.
14292 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14293 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14295 (C_COMMON_OVERRIDE_OPTIONS): New.
14297 2006-02-24 Roger Sayle <roger@eyesopen.com>
14299 PR middle-end/24952
14300 * combine.c (try_combine): Explicitly check whether GET_CODE is
14301 a SET or a CLOBBER, instead on checking that it isn't a USE.
14303 2006-02-24 Roger Sayle <roger@eyesopen.com>
14305 * fold-const.c (fold_comparison): New subroutine of fold_binary
14306 containing transformations common to both the equality and
14307 ordering relational operators, factored out of fold_binary.
14308 (fold_binary): Separate out the equality operators (EQ_EXPR
14309 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14310 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14311 transformations common to both.
14312 (fold_div_compare): Fix latent bugs in the previously unreachable
14313 LT_EXPR and GE_EXPR cases.
14315 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14317 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14318 decl libname for clog to __clog on AIX.
14320 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14322 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14325 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14326 output traceback table for thunks. Localise rs6000_stack_info call.
14328 2006-02-23 Roger Sayle <roger@eyesopen.com>
14329 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14331 * gthr-posix.h (__gthrw): Fix typo in comment.
14333 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14335 * doc/cpp.texi (Character sets): Document that we do support
14336 input files to be in any character set.
14338 2006-02-23 Jeff Law <law@redhat.com>
14340 * tree.h (PHI_ARG_NONZERO): Remove.
14341 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14342 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14343 node to the new node.
14345 PR tree-optimization/26425
14346 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14347 min/max, then assume its varying.
14349 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14351 PR rtl-optimization/26316
14352 * rtlanal.c (enum may_trap_p_flags): New.
14353 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14354 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14355 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14356 (may_trap_after_code_motion_p): New function.
14357 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14358 (find_invariant_insn): Use may_trap_after_code_motion_p.
14359 * rtl.h (may_trap_after_code_motion_p): Declare.
14361 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14363 * emit-rtl.c (immed_double_const): Cleanup.
14365 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14367 Fix PR tree-optimization/26376
14368 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14371 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14373 PR middle-end/26412
14374 * gimplify.c (omp_add_variable): Guard variable size decl test with
14375 DECL_SIZE (decl) check.
14377 2006-02-23 Richard Guenther <rguenther@suse.de>
14379 PR middle-end/26439
14380 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14381 like aggregate types.
14383 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14385 * configure.ac: Add --with{,out}-long-double-128 configure option.
14386 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14387 * configure: Rebuilt.
14388 * config.in: Rebuilt.
14389 * doc/install.texi (Options specification): Document
14390 --with-long-double-128.
14392 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14393 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14394 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14395 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14397 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14399 * config/s390/s390.c (override_options): Handle
14400 TARGET_DEFAULT_LONG_DOUBLE_128.
14402 * config/alpha/alpha.c (override_options): Handle
14403 TARGET_DEFAULT_LONG_DOUBLE_128.
14405 * config/sparc/sparc.c (sparc_override_options): Handle
14406 TARGET_DEFAULT_LONG_DOUBLE_128.
14408 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14410 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14411 (real-install-headers-tar, real-install-headers-cpio)
14412 (real-install-headers-cp): New targets.
14414 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14416 * tree.h (variable_section): Delete.
14417 * varasm.c (variable_section): Delete.
14419 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14421 * install.texi: Add notes on install.texi2html.
14422 (Building in parallel): Do not use footnotes.
14424 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14427 * doc/install.texi (Configuration): Document --disable-libgomp.
14429 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14431 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14433 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14435 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14436 (vec_extractv2df_0_sse): New.
14438 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14440 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14441 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14442 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14443 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14444 to the result of the expression.
14445 (def_cfa_1): Adjust.
14446 (frame_pointer_cfa_offset): Rename to...
14447 (frame_pointer_fb_offset): ... this. Adjust all uses.
14448 (convert_cfa_to_loc_list): Rename to...
14449 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14450 Pass it on to build_cfa_loc.
14451 (compute_frame_pointer_to_cfa_displacement): Rename to...
14452 (compute_frame_pointer_to_fb_displacement): ... this. New
14453 offset parameter. Use it in computation.
14454 (gen_subprogram_die): Compute cfa_fb_offset with the new
14455 macro, and use it to compute the fb loc list and the
14458 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14460 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14461 replaced with register_operand.
14462 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14463 non-DREG is expensive.
14464 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14465 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14468 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14470 * doc/install.texi2html: Use set -e.
14472 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14474 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14475 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14476 * doc/invoke.texi (-fshared-data): Delete.
14477 * common.opt (fshared-data): Delete.
14478 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14479 (assemble_static_space): Remove #if 0 code.
14480 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14481 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14482 * config/cris/cris.h: Remove FIXME.
14484 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14486 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14489 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14491 PR middle-end/26379
14492 * combine.c (simplify_shift_const_1): Disable nested shifts
14493 optimization for vector shifts.
14495 2006-02-20 Roger Sayle <roger@eyesopen.com>
14497 PR tree-optimization/26361
14498 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14499 of unsigned integer types.
14501 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14503 * tree-chrec.c (eq_evolutions_p): New.
14504 * tree-chrec.h (eq_evolutions_p): Declared.
14505 * tree-data-ref.c: Fix formatting.
14506 (datadep_stats, dependence_stats): New.
14508 (print_direction_vector): New.
14509 (dump_data_dependence_relation): Use print_direction_vector.
14510 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14511 (compute_subscript_distance): Static.
14512 (initialize_data_dependence_relation): Static. Get the number
14513 of loops surrounding the references from the callers, and initialize
14514 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14515 base_object_differ_p analyzers.
14516 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14517 compute_overlap_steps_for_affine_1_2,
14518 analyze_subscript_affine_affine): Count the classified dependences.
14519 Print a message when a test failed.
14520 (can_use_analyze_subscript_affine_affine): New.
14521 (analyze_siv_subscript): Compute the data dependences on symbolic
14522 scevs that verify can_use_analyze_subscript_affine_affine.
14523 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14524 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14525 Handle symbolic scevs.
14526 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14528 (subscript_dependence_tester): Moved...
14529 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14530 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14531 DDR_SIZE_VECT instead of getting it in parameter.
14532 (subscript_dependence_tester): ... here. Take as a parameter
14533 loop_nest_depth. Call build_classic_dist_vector and
14534 build_classic_dir_vector.
14535 (compute_affine_dependence): Update subscript_dependence_tester
14536 parameters. Update datadep_stats counters. Call
14537 compute_subscript_distance.
14538 (compute_self_dependence): Save the dist and dir vectors. Call
14539 compute_subscript_distance.
14540 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14541 (compute_all_dependences): Reorder parameters as they were before
14542 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14543 compute_subscript_distance. Update the use of
14544 compute_affine_dependence and initialize_data_dependence_relation.
14545 (find_data_references_in_loop): Handle COMPONENT_REF.
14546 (compute_data_dependences_for_loop): Initialize dependence_stats.
14547 Don't call build_classic_dist_vector and build_classic_dir_vector.
14548 Update the parameters of initialize_data_dependence_relation and
14549 compute_all_dependences. Print the statistics from datadep_stats.
14550 (analyze_all_data_dependences): Static. Not used until the pass for
14551 checking the data dependences is contributed.
14552 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14553 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14554 (initialize_data_dependence_relation, compute_affine_dependence,
14555 analyze_all_data_dependences, compute_subscript_distance): Removed.
14556 (print_direction_vector): New.
14557 * lambda.h (gcd): ... here.
14558 (lambda_vector_gcd): Moved here from gcd_vector.
14559 * lambda-code.c (gcd, gcd_vector): Removed.
14560 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14561 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14563 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14565 * ipa-type-escape.c: Tidy some comments and white space.
14566 * tree-ssa-operands.c: Likewise.
14568 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14571 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14572 (dump_decl_name): Do not walk the decl tree chains.
14573 * tree-pass.h (TDF_CHAIN): Remove.
14575 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14577 * Makefile.in (C): Remove
14579 (.PHONY): Remove C and PROTO
14581 2006-02-20 Roger Sayle <roger@eyesopen.com>
14583 PR middle-end/26236
14584 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14585 deprecated CHAR_TYPE tree code.
14587 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14589 * configure.ac (target_list): Add install-info, dvi, html.
14590 * configure: Regenerate.
14592 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14593 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14594 treelang/Make-lang.in: Do not use double-colon rules.
14596 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14598 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14599 (TMT_USED_ALONE): New macro.
14600 * tree-pass.h (PROP_tmt_usage): New property.
14601 (TODO_update_tmt_usage): New todo.
14602 * tree-ssa-alias.c (updating_used_alone): New variable.
14603 (recalculate_used_alone): New function.
14604 (compute_may_aliases): Set updating_used_alone, call
14605 recalculate_used_alone.
14606 * tree-sra.c (pass_sra): Note that this pass destroys
14607 PROP_tmt_usage, and add TODO_update_tmt_usage.
14608 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14609 * tree-flow.h (updating_used_alone): Prototype.
14610 (recalculate_used_alone): Ditto.
14611 * passes.c (execute_todo): Add code to set updating_used_alone,
14612 and call recalculate.
14613 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14614 for clobber if used alone, and add assert to verify used_alone
14617 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14619 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14620 for non tls symbols added.
14621 (legitimize_address): Do nothing for PLUS expressions if one of the
14622 addends is a tls symbol reference.
14624 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14628 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14630 * Makefile.in (BOOTSTRAPPING): New.
14631 (quickstrap): New definition if BOOTSTRAPPING=yes.
14633 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14634 * configure.ac: Substitute all_selected_languages with the languages
14635 that were configured. For all the other variables except
14636 lang_specs_files, include all the languages in the tree.
14637 * configure: Regenerate.
14639 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14640 if there is one. Run the commands to run fixincludes in the same
14643 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14644 * doc/install.texi: Document exact conventions for searching target tools.
14645 Document --with-build-time-tools. Document toplevel bootstrap. Document
14646 something more about building an Ada cross-compiler. Don't list GNU Make
14647 requirements which affect all platforms.
14649 2006-02-19 Roger Sayle <roger@eyesopen.com>
14651 PR middle-end/19543
14652 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14653 only equivalent if the have both the same mode and precision.
14655 2006-02-20 Ben Elliston <bje@au.ibm.com>
14657 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14659 2006-02-19 Roger Sayle <roger@eyesopen.com>
14660 Steven Bosscher <stevenb.gcc@gmail.com>
14662 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14663 constant pool references to identify stack mode constants.
14664 * rtlanal.c (constant_pool_constant_p): New predicate to check
14665 whether operand is a floating point constant in the pool.
14666 * rtl.h (constant_pool_constant_p): Prototype here.
14667 * loop.c (scan_loop): Avoid hoisting constants from the constant
14668 pool on STACK_REGS targets.
14669 (load_mems): Likewise.
14670 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14671 loads into x87 registers expensive in terms of register pressure.
14673 2006-02-19 Roger Sayle <roger@eyesopen.com>
14675 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14676 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14678 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14680 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14681 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14683 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14685 * doc/invoke.texi: Document -fipa-pta.
14686 * common.opt: Add ipa-pta option.
14687 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14688 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14689 (do_ds_constraint): Ditto.
14690 (get_constraint_for): Only add to referenced_vars if
14691 referenced_vars exists.
14692 (insert_into_field_list): Rewrite to do this unsorted.
14693 (insert_into_field_list_sorted): Rename old insert_into_field_list
14695 (create_function_info_for): Use insert_into_field_list_sorted.
14696 (create_variable_info_for): Rewrite so it uses unsorted version,
14697 since the field list is sorted.
14698 (intra_create_variable_infos): Only add to referenced_vars if
14699 referenced_vars exists.
14700 (ipa_pta_execute): Init heapvars, and delete when done.
14701 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14703 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14705 * doc/install.texi: Add missing `@samp'.
14707 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14709 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14712 2006-02-18 Mark Wielaard <mark@klomp.org>
14714 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14715 who added new 4.1 features, bug fixes and integration support.
14717 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14720 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14721 MEM for ABI_V4 pic.
14723 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14725 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14726 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14727 (copy_insn_1): Likewise. Don't copy each field individually.
14729 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14731 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14732 * rtl.c (rtx_size): Rename variable to...
14733 (rtx_code_size): ...this.
14734 (rtx_size): New function.
14735 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14736 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14738 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14739 * rtl.h (rtx_code_size): New variable.
14740 (rtx_size): Change from a variable to a function.
14741 (RTX_SIZE): Rename to...
14742 (RTX_CODE_SIZE): ...this.
14745 PR tree-optimization/17106
14746 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14747 (Anchored Addresses): New section.
14748 * doc/invoke.texi (-fsection-anchors): Document.
14749 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14750 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14751 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14752 * hooks.c (hook_bool_mode_rtx_false): New function.
14753 * hooks.h (hook_bool_mode_rtx_false): Declare.
14754 * gengtype.c (create_optional_field): New function.
14755 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14756 SYMBOL_REF_IN_BLOCK_P is true.
14757 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14758 (min_anchor_offset, max_anchor_offset): Likewise.
14759 (use_anchors_for_symbol_p): New hook.
14760 * toplev.c (compile_file): Call output_object_blocks.
14761 (target_supports_section_anchors_p): New function.
14762 (process_options): Check that -fsection-anchors is only used on
14763 targets that support it and when -funit-at-a-time is in effect.
14764 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14765 if the decl doesn't have one.
14766 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14767 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14768 of force_const_mem through use_anchored_address.
14769 (expand_expr_constant): New function.
14770 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14771 calling expand_expr for INDIRECT_REF.
14772 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14773 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14774 * expr.h (use_anchored_address): Declare.
14775 * loop-unroll.c: Don't declare rtx vectors here.
14776 * explow.c: Include output.h.
14777 (validize_mem): Call use_anchored_address.
14778 (use_anchored_address): New function.
14779 * common.opt (-fsection-anchors): New switch.
14780 * varasm.c (object_block_htab, anchor_labelno): New variables.
14781 (hash_section, object_block_entry_eq, object_block_entry_hash)
14782 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14783 (use_blocks_for_decl_p, change_symbol_section): New functions.
14784 (get_variable_section): New function, split out from assemble_variable.
14785 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14786 use_blocks_for_decl_p say so. Use change_symbol_section if the
14787 symbol has already been created.
14788 (assemble_variable_contents): New function, split out from...
14789 (assemble_variable): ...here. Don't output any code for
14790 block symbols; just pass them to place_block_symbol.
14791 Use get_variable_section and assemble_variable_contents.
14792 (get_constant_alignment, get_constant_section, get_constant_size): New
14793 functions, split from output_constant_def_contents.
14794 (build_constant_desc): Create a block symbol if use_object_blocks_p
14795 says so. Or into SYMBOL_REF_FLAGS.
14796 (assemble_constant_contents): New function, split from...
14797 (output_constant_def_contents): ...here. Don't output any code
14798 for block symbols; just pass them to place_section_symbol.
14799 Use get_constant_section and get_constant_alignment.
14800 (force_const_mem): Create a block symbol if use_object_blocks_p and
14801 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14802 (output_constant_pool_1): Add an explicit alignment argument.
14803 Don't switch sections here.
14804 (output_constant_pool): Adjust call to output_constant_pool_1.
14805 Switch sections here instead. Don't output anything for block symbols;
14806 just pass them to place_block_symbol.
14807 (init_varasm_once): Initialize object_block_htab.
14808 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14809 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14810 (place_block_symbol, get_section_anchor, output_object_block)
14811 (output_object_block_htab, output_object_blocks): New functions.
14812 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14813 (TARGET_ASM_OUT): Include it.
14814 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14815 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14816 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14817 (TARGET_INITIALIZER): Include them.
14818 * rtl.c (rtl_check_failed_block_symbol): New function.
14819 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14820 (block_symbol, object_block): New structures.
14821 (rtx_def): Add a block_symbol field to the union.
14822 (BLOCK_SYMBOL_CHECK): New macro.
14823 (rtl_check_failed_block_symbol): Declare.
14824 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14825 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14826 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14827 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14828 * output.h (output_section_symbols): Declare.
14829 (object_block): Name structure.
14830 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14831 (default_use_anchors_for_symbol_p): Declare.
14832 * Makefile.in (RTL_BASE_H): Add vec.h.
14833 (explow.o): Depend on output.h.
14834 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14835 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14836 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14837 (rs6000_use_blocks_for_constant_p): New function.
14839 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14841 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14843 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14846 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14849 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14851 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14855 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14857 PR middle-end/26334
14858 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14859 instead of DECL_REGISTER.
14861 2006-02-18 Olivier Hainque <hainque@adacore.com>
14864 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14866 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14869 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14870 * opth-gen.awk: Handle Var and InverseMask together.
14871 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14872 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14873 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14874 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14876 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14877 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14878 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14879 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14880 LINUX_DYNAMIC_LINKER): Define.
14881 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14882 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14884 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14885 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14886 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14887 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14888 (TARGET_C99_FUNCTIONS): Don't define.
14889 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14890 GLIBC_DYNAMIC_LINKER.
14891 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14892 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14893 GLIBC_DYNAMIC_LINKER64): Define.
14894 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14895 LINUX_DYNAMIC_LINKER64.
14896 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14897 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14898 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14899 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14900 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14901 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14902 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14903 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14904 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14905 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14906 and LINUX_DYNAMIC_LINKER32.
14907 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14908 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14909 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14910 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14911 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14913 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14914 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14915 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14916 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14917 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14918 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14919 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14920 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14921 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14922 LINUX_DYNAMIC_LINKER): Define.
14923 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14924 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14925 GLIBC_DYNAMIC_LINKER64): Define.
14926 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14927 LINUX_DYNAMIC_LINKER64.
14928 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14929 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14930 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14931 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14932 LINUX_DYNAMIC_LINKER): Define.
14933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14934 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14935 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14936 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14937 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14938 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14939 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14940 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14941 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14942 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14943 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14944 * doc/invoke.texi (-muclibc): Remove caveat about supported
14947 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
14949 * doc/cpp.texi (__TIMESTAMP__): Document.
14951 2006-02-17 Roger Sayle <roger@eyesopen.com>
14953 PR middle-end/25600
14954 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
14955 C is one less than the width of X (and related transformations).
14956 * simplify-rtx.c (simplify_unary_operation_1): Transform
14957 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
14958 depending on STORE_FLAG_VALUE, were C is one less then the
14961 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
14963 Fix PR tree-optimization/26341
14964 * tree-ssa-operands.c (add_virtual_operand): Remove assert
14965 about NAME_MEMORY_TAG's.
14967 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14970 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
14971 with hardware float support, and software float support. Add fcpy
14972 alternative to hardware patterns. Add alternatives to copy between
14973 general and floating-point registers to the 32-bit pattern.
14974 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
14975 secondary reload to load a QI or HI mode constant into a floating
14977 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
14978 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
14980 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
14983 * config/rs6000/darwin.md (load_macho_picbase_si): Add
14985 (load_macho_picbase_di): Likewise.
14987 2006-02-16 Jeff Law <law@redhat.com>
14989 * tree-vrp.c (set_value_range_to_nonnegative): New function.
14990 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
14991 (ssa_name_nonzero_p): Likewise.
14992 (get_value_range): Return NULL if VRP is not running.
14993 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
14994 VRP routines do not discover a range.
14995 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
14996 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
14997 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
14998 (tree_expr_nonnegative_p): Similarly.
14999 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15000 (restore_nonzero_vars_to_original_value): Remove.
15001 (unsafe_associative_fp_binop): Remove.
15002 (tree_ssa_dominator_optimize): Remove initialization and
15003 finalization of nonzero_vars and nonzero_vars_stack.
15004 (dom_opt_initialize_block): No longer push marker on
15005 nonzero_vars_stack.
15006 (dom_opt_finalize_block): No longer call
15007 restore_nonzero_vars_to_original_value.
15008 (record_equivalences_from_phis): No longer look for
15009 nonzero PHI arguments.
15010 (cprop_into_successor_phis): No longer propagate nonzero
15011 property into PHI arguments. Lose unused argument. Caller
15013 (record_equivalences_from_stmt): No longer record nonzero
15014 values for SSA_NAMEs.
15015 (lookup_avail_expr): No longer use nonzero_vars.
15017 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15018 for sizetype when sizetype is unsigned.
15020 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15022 PR rtl-optimization/25603
15023 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15024 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15025 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15026 with new meaning of SETS.
15028 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15033 * config/linux.opt: New file.
15034 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15035 LINUX_DYNAMIC_LINKER): Define.
15036 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15037 * config.gcc (*-*-linux*): Define extra_options.
15038 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15039 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15040 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15041 GLIBC_DYNAMIC_LINKER.
15042 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15043 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15044 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15045 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15046 * doc/invoke.texi (GNU/Linux Options): New section.
15048 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15050 * config/sparc/sparc.md (setjmp): Rewrite.
15051 (setjmp_32): Delete.
15052 (setjmp_64): Likewise.
15054 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15056 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15059 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15061 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15064 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15066 PR rtl-optimization/26296
15067 * Makefile.in (loop-invariant.c): Add except.h dependency.
15068 * loop-invariant.c: Include except.h.
15069 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15071 2005-02-16 Paul Brook <paul@codesourcery.com>
15073 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15076 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15078 PR rtl-optimization/25636
15079 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15080 when deciding whether an insn is an initializing insn.
15082 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15084 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15085 (tree_code_size): Ditto.
15086 * tree.h (struct tree_memory_tag): Remove parent_var.
15087 (struct tree_struct_field_tag): New.
15090 (union tree_node): Add sft member.
15091 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15093 (create_sft): Add size and offset argument, set SFT_OFFSET and
15095 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15096 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15097 * tree-flow-inline.h (get_subvar_at): Update for
15098 SFT_OFFSET/SFT_SIZE.
15099 (var_can_have_subvars): Ditto.
15100 (overlap_subvar): Ditto.
15101 * print-tree.c (print_node): Print out interesting things for
15103 * tree-flow.h (struct subvar): Remove offset and size members.
15104 * tree-ssa-operands.c (get_expr_operands): Update for
15105 get_indirect_ref_operands changes.
15106 (get_indirect_ref_operands): Call add_virtual_operand instead of
15107 add_stmt_operand. Only recurse on base var if requested.
15108 (access_can_touch_variable): New function.
15109 (add_stmt_operand): Split virtual operand handling into ...
15110 (add_virtual_operand): Here. Add offset, size, and for_clobber
15111 arguments. Prune alias sets.
15112 (add_call_clobber_ops): Call add_virtual_operand.
15114 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15116 PR middle-end/26300
15117 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15119 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15120 than TREE_CODE as index into omp_clause_num_ops array.
15122 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15124 PR rtl-optimization/26184
15125 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15127 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15128 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15129 must_precede, must_follow and tobe_scheduled.
15132 * opts.c (common_handle_option): Free new_option pointer.
15133 * df-core.c (df_analyze): Free postorder pointer.
15135 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15137 * Makefile.in: Fix the examples about the use of stamps
15139 2006-02-15 Michael Matz <matz@suse.de>
15141 PR middle-end/22275
15143 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15144 influenced by maximum_field_alignment or DECL_PACKED.
15145 (update_alignment_for_field): Ditto.
15146 (place_field): Ditto.
15147 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15150 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15152 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15153 (debug_flow_info): Pass it.
15154 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15155 * bb-reorder.c (reorder_basic_blocks): Likewise.
15156 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15157 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15158 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15159 * gcse.c (gcse_main, bypass_jumps): Likewise.
15160 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15161 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15162 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15163 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15164 * rtl.h (dump_flow_info): Adjust prototype.
15165 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15166 * var-tracking.c (variable_tracking_main): Likewise.
15167 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15168 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15171 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15173 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15176 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15178 PR tree-optimization/26209
15179 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15180 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15182 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15184 2006-02-14 Roger Sayle <roger@eyesopen.com>
15186 PR middle-end/23670
15187 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15188 (X,Y) and the corresponding symmetry related transformations.
15189 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15190 (X,Y) and its symmetry related transformations.
15192 2006-02-14 Roger Sayle <roger@eyesopen.com>
15194 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15197 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15199 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15201 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15204 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15205 support COMDAT group.
15206 * configure: Regenerate.
15208 2006-02-14 Roger Sayle <roger@eyesopen.com>
15210 PR middle-end/26279
15211 PR middle-end/26280
15212 PR middle-end/26283
15213 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15215 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15217 Fix PR tree-optimization/26260
15219 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15221 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15222 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15223 * tree-ssa-structalias.c (create_variable_info_for): Use
15224 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15226 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15228 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15230 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15231 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15232 of the ending condition.
15233 * tree-ssa-loop-manip.c: Include params.h.
15234 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15235 tree_unroll_loop): New functions.
15236 * tree-pass.h (pass_loop_prefetch): Declare.
15237 * loop.c (rest_of_handle_loop_optimize): Test for
15238 -fprefetch-loop-arrays-rtl.
15239 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15240 * timevar.def (TV_TREE_PREFETCH): New timevar.
15241 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15242 pass_loop_prefetch): New.
15243 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15244 (cleanup_tree_cfg_loop): Call scev_reset.
15245 * common.opt (fprefetch-loop-arrays-rtl): Add.
15246 * tree-ssa-loop-prefetch.c: New file.
15247 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15248 (new_temp_expr_table): Initialize expr_vars.
15249 (free_temp_expr_table): Cleanup expr_vars.
15250 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15251 expressions from being merged into one.
15252 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15253 (struct tree_niter_desc): Add control, bound and cmp fields.
15254 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15256 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15257 (tree-cfgcleanup.o): Add SCEV_H dependency.
15258 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15259 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15261 2006-02-14 Richard Guenther <rguenther@suse.de>
15263 PR tree-optimization/26258
15264 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15265 in PHI argument processing.
15267 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15269 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15270 new expression in the requested machine mode.
15272 2006-02-13 Roger Sayle <roger@eyesopen.com>
15274 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15275 directly, instead let do_compare_rtx_and_jump handle this for us.
15276 * expr.c (expand_expr_real_1): Likewise.
15277 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15278 before do_jump_by_parts_greater.
15279 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15280 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15282 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15284 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15286 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15288 PR rtl-optimization/26235
15289 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15290 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15293 2006-02-13 Jeff Law <law@redhat.com>
15295 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15298 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15300 PR middle-end/26092
15301 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15302 twice if decl is a builtin. When trying again, call get_callee_fndecl
15303 first to verify it is still a builtin.
15305 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15307 * dwarf2out.c (base_type_die): Don't add AT_name here.
15308 (subrange_type_die): Don't add AT_name here.
15309 (modified_type_die): Rearrange code flow. Do add AT_name here.
15311 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15313 PR rtl-optimization/26247
15314 PR rtl-optimization/26248
15315 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15317 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15319 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15320 * config/fixtfdi.c: Likewise.
15321 * config/fixunstfdi.c: Likewise.
15322 * config/floatditf.c: Likewise.
15324 2006-02-13 Roger Sayle <roger@eyesopen.com>
15326 PR middle-end/24427
15327 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15328 into (X,C2) if C1 is a subset of the bits of C2. Transform
15329 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15331 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15333 2006-02-13 Josh Conner <jconner@apple.com>
15336 * varasm.c (function_section): Check for section name before
15337 calling select_section on targets that define
15338 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15339 unlikely_text_section instead of hot_function_section if
15340 first_function_block_is_cold.
15342 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15344 PR middle-end/25335
15345 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15347 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15349 PR rtl-optimization/26222
15350 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15351 after tree->rtl expansion.
15352 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15353 before passing it to emit_move_insn.
15355 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15357 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15359 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15360 Clarify documentation.
15361 * c-common.h (warn_write_strings): Remove.
15362 * c-common.c (warn_write_strings): Likewise.
15363 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15366 2006-02-12 Roger Sayle <roger@eyesopen.com>
15368 PR middle-end/25724
15369 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15370 (do_jump_parts_zero_rtx): New function renamed from
15371 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15372 (do_jump_parts_equality_rtx): New function split out from
15373 do_jump_parts_equality. Old implementation renamed as above.
15374 Call do_jump_parts_zero_rtx if either operand is zero.
15375 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15376 do all of the heavy lifting.
15377 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15378 calling either do_jump_by_parts_greater_rtx or
15379 do_jump_by_parts_equality_rtx.
15380 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15381 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15382 moved to do_compare_rtx_and_jump, call it directly.
15383 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15384 mode argument. Call do_compare_rtx_and_jump.
15385 (emit_case_nodes): Update calls to do_jump_if_equal.
15387 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15389 PR rtl-optimization/26225
15390 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15392 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15394 PR rtl-optimization/26232
15395 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15397 2006-02-11 Jason Merrill <jason@redhat.com>
15400 * tree-inline.c (declare_return_variable): Just don't use the
15401 modify target if it's a gimple complex reg and the return slot
15404 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15406 * doc/contrib.texi: Update my entry.
15408 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15410 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15412 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15414 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15417 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15419 * doc/invoke.texi (-floop-optimize2): Removed.
15420 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15421 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15422 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15423 * common.opt (floop-optimize2): Removed.
15424 (fmove-loop-invariants): Enabled by default.
15426 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15428 * tree-if-conv.c (combine_blocks): Free the result of
15429 get_loop_exit_edges.
15431 2006-02-10 Jeff Law <law@redhat.com>
15433 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15435 PR tree-optimization/26213
15436 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15437 loop trying to follow SSA_NAME_VALUE chains.
15439 2006-02-10 Richard Guenther <rguenther@suse.de>
15441 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15442 deal with structures that end in implicitly variable sized arrays.
15444 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15446 PR rtl-optimization/24762
15447 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15450 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15452 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15453 (struct ivopts_data): Add regs_used field.
15454 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15455 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15456 instead of loop_data->regs_used;
15457 (free_loop_data): Do not free aux fields for loops.
15458 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15459 and tree_ssa_iv_optimize_finalize.
15461 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15463 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15465 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15468 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15469 computing the effective result type.
15471 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15473 PR inline-asm/16194
15474 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15475 (tree_overlaps_hard_reg_set): Declare.
15476 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15477 type and signature to match function type expected by walk_tree.
15478 (tree_overlaps_hard_reg_set): New function.
15479 (decl_conflicts_with_clobbers_p): Rename to:
15480 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15481 Use tree_overlaps_hard_reg_set. Changed caller.
15482 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15483 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15484 * cris.c (cris_md_asm_clobbers): Likewise.
15486 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15488 * reload1.c (emit_input_reload_insns): Delete code that tries to
15489 inherit using find_equiv_reg.
15491 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15493 * c-common.h (flag_const_strings): Don't declare.
15494 * c-common.c (flag_const_strings): Remove.
15495 * c.opt (fconst_strings): Remove.
15496 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15497 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15498 (c_common_init_options): Don't set flag_const_strings.
15499 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15501 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15503 * arm.md (tlobits_cbranch): New pattern.
15504 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15505 testing a single bit.
15507 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15510 * tree-ssa-pre.c (create_component_ref_by_pieces):
15511 Handle RETURN_DECL like VAR_DECL.
15513 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15515 PR middle-end/26134
15516 * fold-const.c (fold_indirect_ref_1): Fold
15517 "*(foo *)&complexfoo" to "__real__ complexfoo"
15518 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15520 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15522 * tree-flow-inline.h (var_can_have_subvars):
15523 Volatile variables should not have subvariables.
15525 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15528 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15529 multiplying unsigned values.
15532 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15534 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15536 2006-02-08 Jason Merrill <jason@redhat.com>
15539 * tree.def: Elaborate on difference from MODIFY_EXPR.
15540 * doc/c-tree.texi (INIT_EXPR): Likewise.
15541 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15542 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15543 (gimplify_target_expr): Likewise.
15544 (gimplify_cond_expr): Remove target handling.
15545 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15546 (gimplify_expr): Clobber it here.
15547 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15548 Do return slot optimization if we have an INIT_EXPR.
15551 * tree-inline.c (declare_return_variable): Also clear
15552 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15555 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15557 PR middle-end/22439
15558 * gimplify.c (gimplify_one_sizepos): Fix typo.
15560 2006-02-08 Jeff Law <law@redhat.com>
15562 PR tree-optimization/21417
15563 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15564 across a backedge if the control statement at the end of the
15565 block is data dependent on other statements in the same block.
15566 (record_temporary_equivalences_from_stmts): Remove over-conservative
15567 test for threading across backedges.
15569 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15570 control statement, handle all three special cases in the same
15571 manner as they all have the same desired solution. No longer
15572 special case edge flag updating when the post dominator is
15575 2006-02-08 Roger Sayle <roger@eyesopen.com>
15577 * tree.def (CHAR_TYPE): Remove.
15578 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15579 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15580 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15581 (gen_string_type_die): Delete unreachable function.
15583 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15584 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15585 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15586 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15587 * builtins.c (type_to_class): Likewise.
15588 * fold-const.c (fold_convert, build_range_check,
15589 merge_ranges): Likewise.
15590 * expr.c (count_type_elements): Likewise.
15591 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15592 * stor-layout.c (layout_type): Likewise.
15593 * ipa-type-escape.c (type_to_consider): Likewise.
15594 * gimplify.c (omp_firstprivatize_type_sizes,
15595 gimplify_type_sizes): Likewise.
15596 * explow.c (promote_mode): Likewise.
15597 * tree-sra.c (is_sra_scalar_type): Likewise.
15598 * varasm.c (output_constant): Likewise.
15599 * tree-inline.c (remap_type_1): Likewise.
15600 * convert.c (convert_to_pointer, convert_to_real,
15601 convert_to_integer, convert_to_complex): Likewise.
15603 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15605 * df-scan.c (df_def_record_1): A set destination may
15606 be a parallel regardless of mode.
15608 2006-02-08 Roger Sayle <roger@eyesopen.com>
15611 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15612 * config/mips/_tilib.c: Remove.
15613 * config/fixtfdi.c: New libgcc source file.
15614 * config/fixunstfdi.c: New source file.
15615 * config/floatditf.c: New source file.
15616 * config/floatunditf.c: New souce file.
15617 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15618 files above instead of config/mips/_tilib.c.
15619 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15621 2006-02-08 Jeff Law <law@redhat.com>
15623 PR tree-optimization/26169
15624 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15627 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15629 * df.h (DF_REG_SIZE): Return the length of the initialized
15632 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15634 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15635 __muldf3): Return a correctly signed zero.
15637 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15639 * passes.c (register_one_dump_file): Accept the current properties
15640 instead of pass number. Adjust call to dump_register. Remove
15642 (register_dump_files): Now a wrapper around...
15643 (register_dump_files_1): ... this one. Do not modify the pass
15645 (next_pass_1): Cosmetic fix.
15646 (execute_todo): Keep second parameter only. Use curr_properties
15647 instead of fetching it from the pass structure. Check and set
15649 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15650 instead of fetching it from the pass structure. Fix calls to
15651 execute_todo. Update curr_properties and initialize .vcg RTL dump
15652 after running the pass. Reset last_verified.
15653 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15655 (FIRST_AUTO_NUMBERED_DUMP): New.
15656 (dump_register): Remove "num" parameter, assign it within the
15658 (get_dump_file_name): Modify template for dumps.
15659 * tree-dump.h (dump_register): Adjust prototype.
15660 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15661 (PROP_trees): Add PROP_gimple_lomp.
15662 (TODO_set_props): New.
15663 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15664 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15665 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15667 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15669 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15670 (sparc64-*-linux*): Likewise.
15671 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15672 * config/sparc/t-linux: New file.
15673 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15674 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15675 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15676 -m32 -mlong-double-128.
15678 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15679 * config/alpha/t-linux: New file.
15680 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15682 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15683 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15684 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15685 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15686 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15687 (CPP_ARCH32_SPEC): Remove.
15689 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15691 PR tree-optimization/26145
15692 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15695 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15698 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15699 >= 240000 when generating code for SOM runtime.
15700 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15701 to $$dyncall when generating code for SOM runtime..
15703 2006-02-07 Dirk Mueller <dmueller@suse.com>
15706 * doc/invoke.texi (-Wsequence-point): Update documentation
15707 that -Wsequence-point is implemented for C++ as well.
15709 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15711 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15712 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15713 (LIB_SPEC): Likewise.
15714 * doc/invoke.texi (SPARC options): Document -pthread.
15716 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15718 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15721 2006-02-07 Roger Sayle <roger@eyesopen.com>
15723 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15724 Correct comment describing BOOLEAN_TYPE.
15726 2006-02-07 Dirk Mueller <dmueller@suse.com>
15728 * c.opt: C++ frontend supports -Wdiv-by-zero.
15729 * c-opts.c (c_common_handle_option): Remove dead case.
15731 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15733 * configure.ac (TLS assembler check): Do not enable TLS by
15734 default on SPARC/Solaris before version 10.
15735 * configure: Regenerate.
15737 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15739 * doc/invoke.texi (xl-compat): Document conversion and support
15742 2006-02-07 Jeff Law <law@redhat.com>
15744 * tree-vrp.c (find_conditional_asserts): Update comments.
15745 (simplify_stmt_for_jump_threading): New.
15746 (identify_jump_threads, finalize_jump_threads): New.
15747 (vrp_finalize): Call identify_jump_threads.
15748 (execute_vrp): Call finalize_jump_threads.
15749 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15750 (vrp_element, vrp_data, vrp_element_p): Remove.
15751 (vrp_hash_elt, vrp_variables_stack): Remove.
15752 (vrp_hash, vrp_eq, record_range): Remove.
15753 (simplify_cond_and_lookup_avail_expr): Remove.
15754 (extract_range_from_cond): Remove.
15755 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15756 (simplify_stmt_for_jump_threading): New.
15757 (dom_thread_across_edge): New wrapper.
15758 (tree_ssa_dominator_optimize): No longer initialize or
15759 finalize any of the VRP datastructures. Remove iteration
15760 step and simplify as a result of removal of iteration step.
15761 (pass_dominator): Perform a cfg cleanup after DOM.
15762 (dom_opt_finalize_block): Use the new common routines
15763 for threading jumps. Simplify stack management slightly.
15764 No longer need to unwind VRP state.
15765 (record_equivalences_from_incoming_edge): No longer record
15767 (eliminate_redundant_computations): No longer call
15768 simplify_cond_and_lookup_avail_expr.
15769 * tree-flow.h (potentially_threadable_block): Prototype.
15770 (thread_across_edge): Likewise.
15771 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15772 (tree-ssa-threadedge.o): Add dependencies.
15773 * tree-ssa-threadedge.c: New file.
15774 * passes.c (init_optimization_passes): Merge PHIs before
15775 calling VRP. Run VRP again late in the SSA optimization pipeline.
15777 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15779 * df-core.c (df_set_blocks): Do not dereference function pointers.
15780 (df_finish1): Likewise.
15781 (df_hybrid_search_forward): Likewise.
15782 (df_hybrid_search_backward): Likewise.
15783 (df_iterative_dataflow): Likewise.
15784 (df_analyze_problem): Likewise.
15785 (df_compact_blocks): Likewise.
15786 (df_dump): Likewise.
15787 * df-scan.c (df_rescan_blocks): Likewise.
15788 (df_record_entry_block_defs): Likewise.
15790 * genconditions.c (write_conditions): Guard the definition of
15791 'insn_conditions' with the check on GCC version.
15792 (write_writer): Guard the traversal 'insn_conditions' with
15793 the check on GCC version.
15795 2006-02-07 Richard Guenther <rguenther@suse.de>
15799 2006-01-30 Richard Guenther <rguenther@suse.de>
15801 * gimplify.c (gimplify_target_expr): Handle easy cases
15802 without creating a temporary.
15804 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15806 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15807 use of float in probability computations. Use edge probabilities
15808 in place of statically computed probabilities.
15809 (min_spec_prob): New static variable.
15810 (schedule_insns): Initialize it.
15811 (GET_SRC_PROB): Removed.
15812 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15814 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15817 * config/ia64/unwind-ia64.c: Revert last change.
15818 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15819 (INCOMING_FRAME_SP_OFFSET): Define.
15821 2006-02-06 Roger Sayle <roger@eyesopen.com>
15823 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15825 2006-02-07 Ben Elliston <bje@au.ibm.com>
15827 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15828 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15829 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15830 (ix86_return_in_memory): Handle TDmode.
15831 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15832 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15834 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15836 * reorg.c (dbr_schedule): Use dump_file instead of file.
15838 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15841 * config/ia64/predicates.md (extr_len_operand): New predicate.
15842 * config/ia64/ia64.md (extv): Tighten constraints.
15844 (*tbit_and_2): Ditto.
15845 (*tbit_and_3): Ditto.
15846 (*tbit_or_2): Ditto.
15847 (*tbit_or_3): Ditto.
15848 (*bit_zero): Ditto.
15851 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15854 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15856 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15858 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15859 loop_optimizer_init and loop_optimizer_finalize
15860 * tree-ssa-sink.c (execute_sink_code): Ditto.
15861 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15862 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15863 tree_ssa_loop_done): Ditto.
15864 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15865 * sched-ebb.c: Include output.h.
15866 (schedule_ebbs): Do not use dump argument.
15867 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15868 * loop.c (loop_dump_stream): Removed.
15869 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15871 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15872 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15873 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15874 loop_iterations, strength_reduce, record_biv, record_giv,
15875 final_giv_value, check_final_value, check_ext_dependent_givs,
15876 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15877 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15878 dump_file instead of loop_dump_stream.
15879 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15880 argument dump_file.
15881 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15883 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15884 * haifa-sched.c: Include output.h
15885 (schedule_insns, sched_init): Do not use dump argument.
15886 * mode-switching.c (optimize_mode_switching): Ditto.
15887 * modulo-sched.c (stats_file): Removed.
15888 (print_node_sched_params): Do not call argument dump_file.
15889 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15890 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15892 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15894 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15895 rtl_loop_init, rtl_loop_done): Ditto.
15896 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15897 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15899 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15900 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15901 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15902 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15903 * emit-rtl.c (renumber_insns): Ditto.
15904 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15905 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15906 * regclass.c (regclass): Ditto.
15907 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15908 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15909 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15910 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15912 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15913 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15915 * gcse.c (gcse_file, debug_stderr): Removed.
15916 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15917 rest_of_handle_gcse): Do not use dump argument.
15918 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15919 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15920 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15921 compute_code_hoist_vbeinout, compute_code_hoist_data,
15922 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15923 compute_store_table, build_store_vectors, insert_insn_start_bb,
15924 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15925 store_motion): Use dump_file instead of gcse_file.
15926 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15927 * profile.c (profile_dump_file): Removed.
15928 (branch_prob): Use dump_file instead of profile_dump_file.
15929 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15931 * tree-ssa-copy.c (dump_copy_of): Ditto.
15932 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15933 dump file to life_analysis.
15934 * bt-load.c (branch_target_load_optimize): Ditto.
15935 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15937 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15938 regclass, dbr_schedule): Declaration changed.
15939 * sched-int.h (sched_init): Declaration changed.
15940 * tree-profile.c (tree_profile_dump_file): Removed.
15941 (tree_profile_hooks): Removed profile_dump_file hook.
15942 * rtl-profile (rtl_profile_dump_file): Removed.
15943 (rtl_profile_hooks): emoved profile_dump_file hook.
15944 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15946 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
15947 * tree-cfg.c (build_tree_cfg): Ditto.
15948 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
15949 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
15950 Declaration changed.
15951 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
15952 life_analysis and schedule_insns.
15953 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
15955 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
15957 * config/mips/mips.c (mips_reorg): Ditto.
15958 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
15961 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
15963 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15964 (s390_mangle_fundamental_type): New.
15965 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15968 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15969 (alpha_mangle_fundamental_type): New.
15970 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15973 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15975 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
15977 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
15978 (sparc_mangle_fundamental_type): New.
15980 2006-02-06 Jakub Jelinek <jakub@redhat.com>
15982 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
15983 (s390x-*-linux*): Likewise.
15984 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
15985 * config/s390/t-linux: New file.
15987 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
15989 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
15990 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
15992 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
15994 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
15995 (ANTIC_SAFE_LOADS): New macro.
15996 (find_or_generate_expression): Add prototype.
15997 (set_contains_value): Allow null set for sake of not always having
15998 to allocate ANTIC_SAFE_LOADS.
15999 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16000 Allow COMPONENT_REF too.
16001 (valid_in_set): Allow COMPONENT_REF.
16002 Check ANTIC_SAFE_LOADS too.
16003 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16004 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16006 (can_PRE_operation): Add COMPONENT_REF.
16007 (create_component_ref_by_pieces): New function.
16008 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16009 (insert_aux): Move AGGREGATE_TYPE_P check here.
16010 (compute_avail): Set bb local stmt uids.
16011 (pass_pre): Use TODO_update_ssa_only_virtuals.
16013 2006-02-06 Ben Elliston <bje@au.ibm.com>
16015 * configure.ac: Unconditionally disable decimal float by default.
16016 * configure: Regenerate.
16018 2006-02-06 Ben Elliston <bje@au.ibm.com>
16020 * read-rtl.c (read_name): Terminate reading on EOF.
16022 2006-02-06 Ben Elliston <bje@au.ibm.com>
16024 * dfp.c (decimal_real_arithmetic): Change second argument type
16025 from int to enum tree_code. Do not always return true, but now
16026 return result of any call to decimal_do helper functions.
16027 * dfp.h (decimal_real_arithmetic): Update prototype.
16029 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16031 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16033 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16036 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16039 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16041 * tree-vrp.c (cfg_loops): Removed.
16042 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16043 Use current_loops instead of cfg_loops. Pass flags to
16044 loop_optimizer_init.
16045 * cfgloopmanip.c (fix_loop_structure): Update only available
16047 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16048 loop_optimizer_init.
16049 * modulo-sched.c (build_loops_structure): Removed.
16050 (sms_schedule): Use loop_optimizer_init.
16051 * loop-init.c (loop_optimizer_init): Use flags to determine
16052 which properties of loops to prepare.
16053 (rtl_loop_init): Pass flags to loop_optimizer_init.
16054 * tree-ssa-sink.c (execute_sink_code): Ditto.
16055 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16056 * tree-ssa-pre.c (init_pre): Ditto.
16057 * cfgloop.h (LOOPS_NORMAL): New.
16058 (loop_optimizer_init): Declaration changed.
16060 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16062 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16063 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16065 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16067 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16069 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16070 * pa/t-pa64: Delete quadlib.c rule.
16071 * pa/x-ada: Revert last change.
16072 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16074 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16076 PR rtl-optimization/26087
16077 * rtlanal.c (canonicalize_condition): Do not cross basic block
16080 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16083 * config/ia64/ia64.c: Include debug.h.
16084 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16085 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16086 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16087 (process_epilogue, process_set, process_for_unwind_directive):
16088 Output unwind info only if requested. Add CFA info if requested.
16089 Add new arguments as needed. Adjust callers.
16090 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16092 (DWARF2_FRAME_INFO): Define to zero.
16093 * config/ia64/unwind-ia64.c: Remove code that compensated for
16094 the CFA offset error fixed above.
16095 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16096 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16097 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16098 -funwind-tables and -fexceptions to enable frame info.
16099 (dwarf2out_frame_init): Define initial CFA even if
16100 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16101 DWARF2_UNWIND_INFO is nonzero, not just defined.
16102 (dwarf2out_frame_finish): Output non-EH call frame info only
16103 if DWARF2_FRAME_INFO is nonzero.
16104 (convert_cfa_to_loc_list,
16105 compute_frame_pointer_to_cfa_displacement): Define even if
16106 unwind info is not supported.
16107 (gen_subprogram_die): Use the above unconditionally. Remove
16108 legacy alternate code.
16109 * toplev.c (compile_file): Compile in call to
16110 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16111 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16113 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16114 Jakub Jelinek <jakub@redhat.com>
16116 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16117 IBM extended float format long double as "g" on powerpc*-linux.
16119 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16122 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16123 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16125 2006-02-03 Jason Merrill <jason@redhat.com>
16128 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16130 PR middle-end/25977
16131 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16132 on the return slot if it's an NRV.
16134 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16136 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16137 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16138 rewrite_use): Do not handle USE_OUTER.
16139 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16140 add_iv_outer_candidates, may_replace_final_value,
16141 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16142 (find_interesting_uses_op): Functionality of
16143 find_interesting_uses_outer_or_nonlin moved here.
16144 (find_interesting_uses_outside): Use find_interesting_uses_op.
16146 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16149 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16151 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16152 Ulrich Weigand <uweigand@de.ibm.com>
16155 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16156 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16157 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16158 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16160 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16161 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16162 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16163 Define secondary reloads for TFmode moves.
16164 (constant_modes): Add TFmode.
16165 (NR_C_MODES): Set to 8.
16166 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16168 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16169 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16170 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16171 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16172 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16173 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16174 (FPR mode macro): Add TFmode.
16175 (DSF mode macro): New.
16176 (<de>, <dee> mode attributes): Removed.
16177 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16178 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16179 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16180 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16181 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16182 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16183 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16184 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16185 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16186 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16187 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16188 "*negabs<mode>2", "sqrt<mode>2"):
16189 Changed <de> to <xde>. R constraint replaced by <Rf>.
16190 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16192 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16193 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16194 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16196 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16197 "extenddftf2", "extendsftf2"): New expanders.
16198 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16199 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16200 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16201 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16203 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16204 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16205 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16206 __floatditf): Add a GCC_4.1.0 symbol version tag.
16207 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16210 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16213 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16214 Use targetm.binds_local_p instead of TREE_PUBLIC.
16216 2006-02-02 Roger Sayle <roger@eyesopen.com>
16218 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16219 on INTEGER_TYPEs to indicate that it denotes a character type.
16220 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16221 signed_char_type_node, unsigned_char_type_node and char_type_node.
16222 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16223 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16224 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16226 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16227 Daniel Berlin <dberlin@dberlin.org>
16229 * tree-tailcall.c (arg_needs_copy_p): New function.
16230 (eliminate_tail_call): Use arg_needs_copy_p.
16231 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16232 (add_virtual_phis): New function.
16234 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16236 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16237 #ignore instead of #scratch for %g7 .register directive.
16239 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16241 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16244 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16246 * flow.c (calculate_global_regs_live): Assert that there aren't any
16249 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16251 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16252 what its name says.
16253 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16254 bsi_after_labels iterator.
16255 * tree-if-conv.c (find_phi_replacement_condition,
16256 replace_phi_with_cond_modify_expr): Likewise.
16257 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16258 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16260 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16262 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16264 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16267 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16268 array after growing it.
16270 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16272 PR middle-end/24901
16273 * fold-const.c (fold_checksum_tree): Change type of buf.
16275 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16277 * reload.c (push_secondary_reload): Initialize t_icode.
16279 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16281 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16282 -msoft-float -mlong-double-128 only issue a warning, but don't
16283 swich to DFmode long double.
16285 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16287 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16288 has a constant equivalent, iterate over equivalents for arg0,
16289 calling simplify_relational_operation and if there's a result
16290 cheaper than X, apply fold_rtx and return the result.
16292 2006-02-01 Jan Hubicka <jh@suse.cz>
16294 * opts.c (no_unit_at_a_time_default): New global variable.
16295 (decode_options): Use it.
16296 * opts.h (no_unit_at_a_time_default): Declare.
16298 2006-02-01 Paul Brook <paul@codesourcery.com>
16300 * function.c (assign_parm_setup_reg): Use function argument promotion
16302 * expr.c (expand_expr_real_1): Use function argument promotion rules
16305 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16307 * gcc.c (process_command): Change j to 'unsigned int'.
16309 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16311 PR middle-end/26001
16312 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16313 Use the corrected index for the character
16314 out of the string constant.
16316 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16318 * mode-switching.c (optimize_mode_switching): Fix size
16319 allocated for bb_info[n_entities].
16321 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16323 * gcc.c (main): Correct type that is allocated for
16324 explicit_link_files.
16326 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16328 * config/s390/s390.c (init_alignment_context): Set
16329 ALIAS_SET_MEMORY_BARRIER on the MEM.
16330 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16332 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16334 PR middle-end/25933
16335 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16337 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16340 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16342 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16343 * regrename.c: Ditto.
16344 * tree-ssa-loop-im.c: Ditto.
16345 * tree-dump.c: Ditto.
16346 * tree-complex.c: Ditto.
16347 * genrecog.c: Ditto.
16348 * tree-ssa-threadupdate.c: Ditto.
16350 * java/class.c: Ditto.
16351 * java/jcf-parse.c: Ditto.
16352 * java/resource.c: Ditto.
16353 * java/except.c: Ditto.
16354 * java/jvspec.c: Ditto.
16355 * java/jcf-write.c: Ditto.
16356 * java/jcf-path.c: Ditto.
16357 * java/gjavah.c: Ditto.
16358 * java/zextract.c: Ditto.
16359 * java/jcf-io.c: Ditto.
16360 * java/jcf.h: Ditto.
16361 * java/buffer.c: Ditto.
16362 * java/lang.c: Ditto.
16363 * java/parse-scan.y: Ditto.
16364 * java/lex.c: Ditto.
16365 * java/lex.h: Ditto.
16366 * cfgloopmanip.c: Ditto.
16367 * postreload-gcse.c: Ditto.
16368 * tree-ssa-loop-manip.c: Ditto.
16369 * postreload.c: Ditto.
16370 * tree-ssa-loop-ch.c: Ditto.
16373 * cppspec.c: Ditto.
16374 * diagnostic.c: Ditto.
16376 * genoutput.c: Ditto.
16378 * cfghooks.c: Ditto.
16379 * cfgloopanal.c: Ditto.
16380 * objc/objc-act.c: Ditto.
16382 * genextract.c: Ditto.
16383 * genautomata.c: Ditto.
16384 * pretty-print.c: Ditto.
16385 * genemit.c: Ditto.
16386 * cgraphunit.c: Ditto.
16388 * df-scan.c: Ditto.
16389 * haifa-sched.c: Ditto.
16390 * dominance.c: Ditto.
16392 * tree-ssa-loop-ivopts.c: Ditto.
16393 * df-core.c: Ditto.
16394 * mode-switching.c: Ditto.
16395 * modulo-sched.c: Ditto.
16397 * ipa-pure-const.c: Ditto.
16399 * fix-header.c: Ditto.
16401 * tree-stdarg.c: Ditto.
16402 * ipa-utils.c: Ditto.
16403 * loop-init.c: Ditto.
16404 * ipa-inline.c: Ditto.
16405 * cfganal.c: Ditto.
16407 * alloc-pool.c: Ditto.
16408 * dwarf2out.c: Ditto.
16410 * genattrtab.c: Ditto.
16411 * tree-ssa-loop-ivcanon.c: Ditto.
16412 * predict.c: Ditto.
16413 * timevar.c: Ditto.
16415 * fortran/gfortranspec.c: Ditto.
16416 * regmove.c: Ditto.
16417 * local-alloc.c: Ditto.
16418 * langhooks.c: Ditto.
16419 * function.c: Ditto.
16420 * tree-vectorizer.c: Ditto.
16422 * ipa-type-escape.c: Ditto.
16424 * tree-if-conv.c: Ditto.
16425 * profile.c: Ditto.
16427 * tree-data-ref.c: Ditto.
16428 * loop-unroll.c: Ditto.
16429 * treelang/treetree.c: Ditto.
16431 * bt-load.c: Ditto.
16432 * ggc-common.c: Ditto.
16434 * coverage.c: Ditto.
16436 * tree-cfgcleanup.c: Ditto.
16437 * tree-ssa-pre.c: Ditto.
16438 * cfgcleanup.c: Ditto.
16439 * loop-invariant.c: Ditto.
16440 * loop-iv.c: Ditto.
16441 * ipa-prop.c: Ditto.
16442 * print-tree.c: Ditto.
16443 * conflict.c: Ditto.
16444 * ggc-page.c: Ditto.
16445 * sched-deps.c: Ditto.
16446 * regclass.c: Ditto.
16447 * tree-object-size.c: Ditto.
16448 * combine.c: Ditto.
16449 * bb-reorder.c: Ditto.
16450 * resource.c: Ditto.
16451 * var-tracking.c: Ditto.
16452 * cfgloop.c: Ditto.
16453 * df-problems.c: Ditto.
16454 * reg-stack.c: Ditto.
16456 * gccspec.c: Ditto.
16457 * sched-rgn.c: Ditto.
16458 * tree-ssa-structalias.c: Ditto.
16459 * tree-ssa-reassoc.c: Ditto.
16460 * config/darwin-c.c: Ditto.
16461 * config/darwin.c: Ditto.
16462 * config/arm/arm.c: Ditto.
16464 * collect2.c: Ditto.
16465 * reload1.c: Ditto.
16467 2006-01-31 Nicolas Pitre <nico@cam.org>
16469 * arm.md (smaxsi3): Make aware of smax_m1.
16472 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16474 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16476 2006-01-31 Richard Guenther <rguenther@suse.de>
16478 * doc/invoke.texi (-msselibm): Document.
16479 * target.h (expand_library_builtin): New target hook.
16480 * builtins.c (expand_builtin): Use expand_library_builtin.
16481 (default_expand_library_builtin): New function.
16482 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16483 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16484 (link_gcc_math_spec): Declare.
16485 (static_specs): Add link_gcc_math_spec.
16486 * expr.h (default_expand_library_builtin): Declare.
16487 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16488 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16489 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16490 * config/i386/i386.opt (msselibm): New target option.
16491 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16492 (ix86_init_sse_abi_builtins): New function.
16493 (ix86_expand_library_builtin): Likewise.
16494 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16495 (override_options): Handle error conditions wrt -msselibm.
16496 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16497 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16498 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16501 2006-01-31 Richard Guenther <rguenther@suse.de>
16502 Paolo Bonzini <bonzini@gnu.org>
16504 * doc/install.texi (--disable-libgcc-math): Document.
16506 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16508 * expr.h (expand_normal): new inline function.
16509 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16510 * dojump.c: use it.
16511 * dwarf2out.c: use it.
16514 * expmed.c: use it.
16515 * except.c: use it.
16516 * config/sparc/sparc.c: use it.
16517 * config/i386/i386.c: use it.
16518 * config/rs6000/rs6000.c: use it.
16519 * config/arm/arm.c: use it.
16520 * config/mips/mips.c: use it.
16521 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16523 2006-01-30 Roger Sayle <roger@eyesopen.com>
16525 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16526 argv to the appropriate type.
16528 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16530 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16533 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16536 * config/s390/s390.c (struct machine_function): New flag
16537 decomposed_literal_pool_addresses_ok_p.
16538 (s390_reorg): Set it before final stage of literal pool transforms.
16539 (s390_decompose_address): Only accept displacements of the form
16540 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16542 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16544 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16545 the comparison routine return.
16547 2006-01-30 Michael Matz <matz@suse.de>
16549 * global.c (find_reg): Only evict for global regs.
16550 Take n_refs into account and dump more info.
16552 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16555 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16556 (pragma_trap, pragma_nosave_low_regs): Likewise.
16557 (current_function_anonymous_args): Likewise.
16558 (sh_deferred_function_attributes): New variable.
16559 (sh_deferred_function_attributes_tail): Likewise.
16560 (print_operand): For '@', look up trap_exit attribute.
16561 (calc_live_regs): Look up trapa_handler attribute. For trapa
16562 handlers, save/restore fpscr, but don't do any other
16563 interrupt-specific saves.
16564 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16565 Fix check for partially saved registers to check for SHmedia.
16566 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16567 (sh_output_function_epilogue): Don't clear any of the removed
16569 (sh_insert_attributes): Don't check pragma_interrupt.
16570 Insert deferred attributes. Check that interrupt attribute is
16571 present for other attributes that require its presence.
16572 (sh_attribute_table): Add new attributes trapa_handler and
16574 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16575 Don't check for pragma_interrupt. Don't store argument.
16576 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16577 (sh_deferred_function_attributes): Declare.
16578 (sh_deferred_function_attributes_tail): Likewise.
16579 * sh.md (sp_switch_1): Add operand. Change generator caller.
16580 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16581 (*return_i): Don't use when trap_exit attribute is in effect.
16582 (*return_trapa): New insn pattern.
16583 * sh-c.c: New file.
16584 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16585 setting c_target_objs and cxx_target_objs.
16586 * t-sh: Add rule for sh-c.o.
16588 2006-01-30 Richard Guenther <rguenther@suse.de>
16591 * gimplify.c (gimplify_target_expr): Handle easy cases
16592 without creating a temporary.
16594 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16596 * vec.h (safe_grow): Remove duplicated line.
16598 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16601 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16602 (expand_omp): ... here.
16603 (expand_omp_parallel): Only remove barriers for combined
16604 parallel+workshare constructs.
16606 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16610 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16611 * tree.c (build_qualified_type): Chain the new type to the original
16612 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16613 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16614 (build_pointer_type_for_mode): Only return unqualified types.
16615 (build_reference_type_for_mode): Likewise.
16617 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16619 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16620 * Makefile.in (CXX_COMPAT_WARN): Define.
16621 * configure: Regenerate.
16623 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16626 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16629 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16631 * toplev.c: Fix thinko.
16633 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16634 Marcin Dalecki <martin@dalecki.de>
16636 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16637 (push_srcloc): Use XNEW.
16638 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16640 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16642 * df-core.c (df_set_blocks): Deleted all variable.
16644 2006-01-28 Ian Lance Taylor <ian@airs.com>
16646 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16647 cgraph_output_pending_asms.
16649 2006-01-28 Zack Weinberg <zackw@panix.com>
16651 * c.opt: Add -W(no-)overlength-strings.
16652 * doc/invoke.texi: Document it.
16653 * c-opts.c (c_common_handle_option): -pedantic implies
16654 -Woverlength-strings, if not explicitly disabled already.
16655 (c_common_post_options): -Woverlength-strings defaults to off, and
16656 is always off for C++.
16657 * c-common.c (fix_string_type): Issue warning about strings longer
16658 than is portable only if warn_overlength_strings. Rearrange code
16659 a little for clarity.
16660 * configure.in: Check for -Wno-overlength-strings as well before
16661 enabling -pedantic in stage 1.
16662 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16663 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16665 * genconditions.c (write_header, write_one_condition)
16666 (write_conditions, write_writer): Consolidate very long strings
16667 that were broken up to fit in C89 portable limit. Don't use
16668 printf when fputs will do.
16670 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16672 * combine.c (simplify_comparison <AND>): Check
16673 TRULY_NOOP_TRUNCATION before start using a subreg.
16675 * config/mips/mips.md (*branch_zero<mode>,
16676 *branch_zero<mode>_inverted, *branch_equality<mode>,
16677 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16678 Remove mode check from comparisons.
16680 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16682 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16684 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16686 * expmed.c (const_mult_add_overflow_p): Remove.
16687 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16689 * recog.c (validate_replace_rtx_subexp): Remove.
16690 * recog.h: Remove the prototype for
16691 validate_replace_rtx_subexp.
16693 * integrate.h: Remove the prototype for
16694 copy_decl_for_inlining.
16695 * rtl.h: Remove the prototype for mark_constant_function.
16696 * tree-vectorizer.h: Remove the prototype for
16697 vect_strip_conversion.
16699 * modulo-sched.c (create_partial_schedule,
16700 free_partial_schedule, reset_partial_schedule): Make them
16703 * hooks.c (hook_bool_rtx_int_false): Remove.
16704 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16706 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16708 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16709 and -mlong-double-128 are incompatible.
16710 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16711 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16712 (TARGET_LIBGCC2_CFLAGS): Define.
16713 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16714 (TARGET_LIBGCC2_CFLAGS): Same.
16715 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16717 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16720 * c-typeck.c (build_binary_op): Perform implicit casts of
16721 operands before shortening them.
16723 * cfgloopmanip.c (split_loop_bb): Remove.
16724 * cfgloop.h: Remove the prototype for split_loop_bb.
16726 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16727 * cfgloop.h: Remove the prototype for
16728 flow_loop_outside_edge_p.
16730 * emit-rtl.c (init_virtual_regs): Make it static.
16731 * function.h: Remove the prototype for init_virtual_regs.
16733 * recog.c (peephole2_optimize): Make it static.
16734 * recog.h: Remove the prototype for peephole2_optimize.
16736 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16738 * df-scan.c (df_record_entry_block_defs): Check if
16739 INCOMING_RETURN_ADDR_RTX is defined.
16741 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16742 Kenneth Zadeck <zadeck@naturalbridge.com>
16744 PR rtl-optimization/24762
16745 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16746 * targhooks.c (hook_void_bitmap): New hook prototype.
16747 * targhoohs.h (hook_void_bitmap): Ditto.
16748 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16749 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16750 * target.h (live_on_entry): New function pointer.
16751 * df-scan.c (df_all_hard_regs): Removed.
16752 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16753 (df_scan_free_internal): Added df->entry_block_defs.
16754 (df_scan_alloc): Ditto.
16755 (df_scan_dump): Ditto.
16756 (df_uses_record): Plumbed flag field properly thru calls.
16757 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16758 This part fixes PR24762.
16759 (df_bb_refs_record): Added code to make the frame and arg
16760 pointers live in EH blocks.
16761 (df_refs_record): Added call to df_record_entry_block_defs.
16762 (df_record_entry_block_defs): New function.
16763 * df-core.c: Added comments to describe new artifical defs.
16764 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16765 (entry_block_defs): New field in struct df.
16766 (df_all_hard_regs): Deleted.
16767 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16768 * df-problems.c (df_ru_bb_local_compute_process_def):
16769 Added code to handle artifical defs in the entry to a function.
16770 (df_ru_bb_local_compute): Ditto.
16771 (df_rd_bb_local_compute_process_def): Ditto.
16772 (df_rd_bb_local_compute): Ditto.
16773 (df_lr_bb_local_compute): Ditto.
16774 (df_ur_bb_local_compute): Ditto.
16775 (df_urec_bb_local_compute): Ditto.
16776 (df_chain_create_bb): Ditto.
16777 (df_ur_local_finalize): Removed entry.
16778 (df_urec_init): Ditto.
16779 (df_urec_local_finalize): Ditto.
16780 (df_ri_bb_compute): Added detection of last use of pseudos.
16781 * Makefile.in (df-scan.o): Updated dependencies.
16782 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16783 * config/mips/mips.c (mips_set_live_on_entry): Added.
16784 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16786 * dce.c (marked_insn_p): Added code to handle artifical defs.
16788 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16790 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16792 (_mm_cvtsi128_si64): Likewise.
16793 (_mm_cvtsd_si64): Likewise.
16794 (_mm_cvttsd_si64): Likewise.
16795 (_mm_cvtsi64_sd): Likewise.
16796 (_mm_cvtsi64_si128): Likewise.
16797 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16798 (_mm_cvtsi64_m64): Likewise.
16799 (_m_to_int64): Likewise.
16800 (_mm_cvtm64_si64): Likewise.
16801 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16802 (_mm_cvttss_si64): Likewise.
16803 (_mm_cvtsi64_ss): Likewise.
16804 (_mm_cvtss_f32): Likewise.
16806 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16808 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16809 for pragma redefine_extname.
16811 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16814 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16815 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16816 -mno-minimal-toc to previous content.
16817 (bispecs): Remove goal.
16818 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16819 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16820 compatibility aliases on powerpc-*-*gnu*.
16821 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16822 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16823 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16824 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16825 (ldblspecs): New goal.
16826 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16827 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16829 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16830 L_sf_to_tf or L_df_to_tf is defined.
16832 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16833 Alan Modra <amodra@bigpond.net.au>
16836 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16837 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16838 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16839 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16840 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16841 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16842 (rs6000_override_options): Initialize rs6000_ieeequad.
16843 Initialize TFmode format to ibm_extended_format if not
16845 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16847 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16848 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16849 (function_arg_advance): IBM long double passed in two FPRs, not
16851 (function_arg): IBM long double passed in FPRs.
16852 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16853 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16854 Only multireg GPR aligned.
16855 (rs6000_init_libfuncs): Enable IBM long double functions if not
16857 (rs6000_generate_compare): Use IBM long double compare if not
16859 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16860 (TARGET_IEEEQUAD): Define.
16861 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16862 not TARGET_IEEEQUAD.
16863 * config/rs6000/rs6000.md: Enable TFmode patterns if
16865 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16866 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16867 and -mlong-double-128 are incompatible.
16868 * doc/invoke.texi (-mabi): Collect options together. Add
16869 ibmlongdouble and ieeelongdouble.
16871 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16873 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16875 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16876 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16877 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16878 * rtl.h (rtunion_def): Remove rt_ptr.
16880 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16881 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16882 * config/i386/winnt.c (i386_pe_mark_dllexport)
16883 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16885 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16887 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16889 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16893 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16894 pthread_key_delete. From John David Anglin. gthrw-ify
16895 pthread_getunique_np only if it it's not a macro. Delete
16897 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16898 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16899 __gthread_objc_condition_signal, __gthread_key_delete): Add
16900 "__attribute__ ((__unused__))" to unused arguments.
16901 (__gthread_recursive_mutex_init_function): Add missing return.
16902 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16903 gthr-posix95.h: Use macro-based approach for name redirection
16904 on targets missing weakref.
16906 2006-01-26 Zack Weinberg <zackw@panix.com>
16908 * genconditions.c (write_header): In generated code, #ifdef out
16909 all includes and fake declarations, except includes of bconfig.h
16910 and system.h, unless GCC_VERSION >= 3001. Do not include
16911 gensupport.h in any case.
16912 (write_conditions): Generate a definition of struct c_test. Add
16913 a comment to the generated #endif.
16914 (write_one_condition): Escape backslashes in string too.
16915 (write_writer): Generated code must escape backslashes and quote
16916 marks (but not newlines) in the strings it writes.
16917 * Makefile.in (build/gencondmd.o): Update dependencies.
16919 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16922 * Makefile.in (insn-automata.o): Add header file dependencies.
16923 * genautomata.c: Add includes.
16925 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16928 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16930 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16932 * configure.ac: Expect target tools paths to be passed from the toplevel
16933 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16935 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16937 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16940 * c.opt (Wpointer-sign): Init to -1.
16941 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16942 OPT_pedantic, to 0 otherwise.
16943 * doc/invoke.texi: Update.
16945 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16947 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
16948 constants provided by 80387 instructions in the destination mode.
16950 2006-01-26 Richard Guenther <rguenther@suse.de>
16951 Andrew Pinski <pinskia@physics.uc.edu>
16954 partial PR tree-opt/17064
16955 * tree-ssa-structalias.c (intra_create_variable_infos):
16956 Create heap variables for incoming parameters if
16957 flag_argument_noalias > 1.
16958 (find_what_p_points_to): Look through default defs of
16961 2006-01-26 Jeff Law <law@redhat.com>
16964 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
16965 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
16966 within the VR_RANGE, use the VR_RANGE as the result, not the
16968 (adjust_range_with_scev): Reject ranges from SCEV which are out of
16969 bounds for the type.
16971 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
16973 * tree-ssa-alias.c (maybe_create_global_var): Change
16974 subvar walking to an assertion that we don't have subvar'd variables.
16976 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
16979 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
16980 Use a new variable, inner. PARM_DECLs are always non-weak.
16982 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
16984 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
16985 --disable-checking.
16987 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
16989 * config/mips/mips.md (*clear_upper32): New combiner pattern.
16991 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
16993 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
16994 (smax_insn, smin_insn, smax_0, smin_0): New.
16996 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
16999 * config/cris/cris.c (cris_order_for_addsi3): New function.
17000 * config/cris/cris-protos.h: Prototype it.
17001 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17002 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17003 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17004 (split for "op.S1 [rx=rx+i],ry (swapped)")
17005 (split for "op(s|u).S1 [rx=rx+i],ry")
17006 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17007 Apply cris_order_for_addsi3 when generating addsi3 insns.
17009 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17011 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17012 (TREE_BLOCK): Add call to EXPR_CHECK.
17014 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17017 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17018 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17019 (dump_omp_clauses): ... here.
17020 (dump_generic_node): Handle OMP_CLAUSE.
17021 * tree.c (omp_clause_num_ops): New.
17022 (omp_clause_code_name): New.
17023 (tree_code_size): Handle OMP_CLAUSE.
17024 (tree_size): Likewise.
17025 (make_node): Document handling of OMP_CLAUSE.
17026 (tree_node_structure): Handle OMP_CLAUSE.
17027 (omp_clause_check_failed): New.
17028 (omp_clause_range_check_failed): New.
17029 (omp_clause_operand_check_failed): New.
17030 (build_omp_clause): New.
17031 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17032 * tree.h (enum omp_clause_code): Declare.
17033 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17034 (OMP_CLAUSE_RANGE_CHECK): Define.
17035 (OMP_CLAUSE_ELT_CHECK): Define.
17036 (omp_clause_check_failed): Declare.
17037 (omp_clause_operand_check_failed): Declare.
17038 (omp_clause_range_check_failed): Declare.
17039 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17040 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17041 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17042 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17043 (OMP_CLAUSE_IF_EXPR): Likewise.
17044 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17045 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17046 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17047 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17048 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17049 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17050 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17051 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17052 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17053 (OMP_CLAUSE_CODE): Define.
17054 (OMP_CLAUSE_SET_CODE): Define.
17055 (OMP_CLAUSE_CODE): Define.
17056 (OMP_CLAUSE_OPERAND): Define.
17057 (struct tree_omp_clause): Declare.
17058 (union tree_node): Add field 'omp_clause'.
17059 * treestruct.def (TS_OMP_CLAUSE): Define.
17060 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17061 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17062 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17063 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17064 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17065 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17066 (OMP_CLAUSE): Define.
17067 * print-tree.c (print_node): Handle OMP_CLAUSE.
17068 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17069 * c-typeck.c: Likewise.
17070 * gimplify.c: Likewise.
17071 * c-omp.c: Likewise.
17072 * tree-nested.c: Likewise.
17073 * tree-inline.c: Likewise.
17074 * c-parser.c: Likewise.
17075 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17078 2006-01-25 Roger Sayle <roger@eyesopen.com>
17080 PR rtl-optimization/25703
17081 * combine.c (try_combine): Handle zero_extract and strict_low_part
17082 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17084 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17086 * global.c: Fix comment typos.
17088 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17091 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17092 Use output_addr_const instead of assemble_name.
17094 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17096 * Makefile.in (sched-vis.o): Update dependencies.
17097 * haifa-sched.c (sched_finish): Clear current_sched_info.
17098 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17099 (dump_flow_info): Call it.
17100 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17102 * basic-block.h (dump_bb_info): Declare.
17103 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17104 option, and apply options only for dump files whose TDF_RTL,
17105 TDF_TREE, or TDF_IPA bits match.
17106 * rtl.h: Declare new functions exported from sched-vis.c.
17107 * sched-vis.c: Enable also if scheduling is not used.
17108 (print_value): Print the mode of registers if not inside scheduling.
17109 (print_insn): Make it work outside the scheduler. Beautify the output
17111 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17113 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17115 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17116 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17117 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17118 depending on the value of CONSTANT_POOL_ADDRESS_P.
17119 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17121 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17122 rather than SYMBOL_REF_DECL.
17123 (rtx_constant_pool): Remove const_rtx_sym_htab.
17124 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17125 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17126 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17127 Remove handling of const_rtx_sym_htab.
17128 (find_pool_constant): Delete.
17129 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17130 rather than find_pool_constant.
17131 (get_pool_constant_for_function): Delete.
17132 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17133 find_pool_constant.
17134 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17135 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17136 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17137 (SYMBOL_REF_CONSTANT): New macro.
17138 (get_pool_constant_for_function): Delete.
17139 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17140 rather than SYMBOL_REF_DECL.
17141 (i386_pe_mark_dllimport): Likewise.
17142 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17143 rather than SYMBOL_REF_DECL.
17144 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17145 (machopic_indirect_call_target): Likewise.
17147 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17149 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17151 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17153 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17155 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17157 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17159 2006-01-24 David Daney <ddaney@avtrex.com>
17162 * configure.ac (enable_tls): New enable option.
17163 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17164 * configure: Regenerate.
17165 * doc/install.texi (--enable-tls): Document new option.
17166 (--disable-tls): Ditto.
17168 2006-01-24 Richard Henderson <rth@redehat.com>
17170 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17171 * alias.c (true_dependence): Respect it.
17172 (canon_true_dependence, write_dependence_p): Likewise.
17173 * builtins.c (get_builtin_sync_mem): Set it.
17175 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17177 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17180 2006-01-24 DJ Delorie <dj@redhat.com>
17182 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17183 for storing constants in single-bit bitfields.
17185 2006-01-25 Ben Elliston <bje@au.ibm.com>
17187 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17189 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17192 * tree-ssa-pre.c (phi_translate): Return NULL
17193 for AGGREGATE_TYPE's.
17195 2006-01-24 Zack Weinberg <zackw@panix.com>
17197 * genautomata.c (process_state_for_insn_equiv_partition):
17198 Use xcalloc for insn_arcs_array.
17199 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17200 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17202 2006-01-24 Richard Henderson <rth@redhat.com>
17204 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17205 update all callers.
17207 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17209 PR rtl-optimization/25890
17210 PR rtl-optimization/25905
17211 * combine.c (expand_compound_operation, expand_field_assignment):
17212 Fail if the bitfield's final position is out of bounds.
17214 2006-01-24 Ian Lance Taylor <ian@airs.com>
17216 PR middle-end/25930
17217 * cgraphunit.c (cgraph_output_in_order): Don't clear
17218 cgraph_asm_nodes until after asm strings have been output.
17220 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17222 * fix-header.c (read_scan_file): Add new parameter imultilib when
17223 calling register_include_chains.
17225 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17227 * omp-low.c: Update documentation.
17229 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17230 Daniel Berlin <dberlin@dberlin.org>
17234 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17235 return from the function.
17237 2006-01-22 Zack Weinberg <zackw@panix.com>
17239 * rtl.def (match_code): Add second argument.
17240 * genpreds.c (write_extract_subexp): New function.
17241 (write_match_code): Add path argument. Use write_extract_subexp.
17242 (write_predicate_expr): Pass path to write_match_code.
17243 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17244 not perform a mode test.
17245 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17246 a subexpression does not constrain the top-level code set.
17247 * read-rtl.c (read_rtx_variadic): New function.
17248 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17249 * doc/md.texi: Document new notation.
17250 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17251 (cmpsi_operand): ... here, using new notation.
17253 2006-01-22 Zack Weinberg <zackw@panix.com>
17255 * varray.c: Remove GENERATOR_FILE #ifdefs.
17257 2006-01-22 Zack Weinberg <zackw@panix.com>
17259 * genautomata.c (output_reserved_units_table): Emit nothing if
17260 description->query_units_num is zero. Remove extra blank line.
17261 (output_cpu_unit_reservation_p): Short circuit
17262 if description->query_units_num is zero.
17264 2006-01-22 Zack Weinberg <zackw@panix.com>
17266 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17267 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17268 nor any of the random handful of variables that used to be necessary
17269 when this program was linked with rtlanal.o. Prune set of forward
17270 function declarations.
17271 (struct attr_desc): Remove static_p field.
17272 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17273 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17274 (attr_string): Do not read the character one past the length of
17276 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17277 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17278 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17279 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17280 (make_automaton_attrs): New.
17281 (main): Do not call into genautomata. Call local gen_bypass
17282 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17283 Remove special case for insn_alts.
17284 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17285 varray.h (leftover from previous change). Prune set of forward
17286 function declarations. Remove state_alts fields from all
17287 structures. Remove state_alts_table from struct automaton.
17288 Make everything except main static. Do not maintain num_dfa_decls.
17289 Do not maintain state_alts fields of various structures.
17290 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17291 (add_arc): Remove state_alts argument. All callers updated.
17292 (output_reserved_units_table): Emit #ifdef here...
17293 (output_tables): ...not here. Don't generate state_alts tables.
17294 (expand_automata): Don't generate attributes.
17295 (write_automata): Don't generate state_alts functions.
17296 (main): New function.
17297 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17298 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17299 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17300 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17301 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17302 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17303 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17304 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17306 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17307 * genattrtab.h: Delete file.
17308 * Makefile.in (OBJS-common): Add insn-automata.o.
17309 (insn-automata.o): New rule.
17310 (simple_generated_c): Add insn-automata.c.
17311 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17312 (genprogmd): Add automata.
17313 (build/genattrtab): Needs no extra objects nor libraries.
17314 (build/genautomata): Needs build/vec.o and -lm.
17316 2006-01-22 Zack Weinberg <zackw@panix.com>
17318 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17319 (output_dfa_max_issue_rate, locked_states_num): Delete.
17320 (struct automaton): Add locked_states field.
17321 (output_dead_lock_vect): Save number of locked states in
17322 automaton->locked_states. If it is zero, don't print anything.
17323 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17324 (output_internal_dead_lock_func): Only test the dead_lock_vect
17325 for automata that have locked states.
17326 (output_statistics): Always print the number of locked states for
17327 each automaton. Calculate total number of locked states here.
17328 (write_automata): Don't call output_dfa_max_issue_rate.
17329 * genattrtab.c: Define length_unit_log as a const variable.
17330 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17331 max_insn_queue_index const.
17332 * final.c (length_unit_log): Declare const.
17333 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17335 2006-01-22 Zack Weinberg <zackw@panix.com>
17337 * genautomata.c: Include vec.h, not varray.h.
17338 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17339 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17340 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17341 VEC_* macros operating on appropriately typed vectors, or to
17342 malloced arrays when the size is known in advance. Const-ify
17343 many char* variables and function arguments. No functional changes.
17344 * Makefile.in (build/varray.o): Delete rule.
17345 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17346 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17348 2006-01-22 Zack Weinberg <zackw@panix.com>
17350 * gensupport.c: Define get_insn_name and record_insn_name here.
17351 (read_md_rtx): Call record_insn_name as appropriate.
17352 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17353 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17354 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17356 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17357 (BUILD_VARRAY): Delete.
17358 (genprognormal): Rename genprogmd. Fold in all programs from
17359 genprognoprint; also attrtab.
17360 (build/genattrtab): Just mention genautomata.o and varray.o.
17361 Reorganize a bit, add comments to make the categories clearer.
17363 2006-01-22 Zack Weinberg <zackw@panix.com>
17365 * genconditions.c (condition_table, add_condition): Delete.
17366 (write_conditions): Don't emit n_insn_conditions nor
17367 insn_elision_unavailable. Issue the gcc version #ifdef here,
17368 inside the table, with no #else clause ...
17369 (write_header): ...not here.
17370 (write_writer): New function.
17371 (main): Don't initialize condition_table. Use add_c_test.
17373 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17374 files on the command line.
17375 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17376 Return -1 if there is no entry in the table, don't abort.
17377 (add_c_test, traverse_c_tests): New functions.
17378 * gensupport.h (insn_elision_unavailable, insn_conditions)
17379 (n_insn_conditions): Delete declarations.
17380 (add_c_test, traverse_c_tests): Declare.
17381 * read-rtl.c: Include gensupport.h.
17382 (read_conditions): New function.
17383 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17384 (read_rtx_1): If we get EOF when we were looking for an initial
17385 open paren, return 0. Call read_conditions when appropriate.
17386 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17387 dummy-conditions.o. Eliminate references to insn-conditions.o,
17388 or change them to build/gencondmd.o, as appropriate. Remove
17389 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17390 from $(simple_generated_c). For all files remaining in those
17391 two lists, add insn-conditions.md to the generator command line.
17392 Give insn-constants.h/s-constants their own rules. Add rules
17393 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17394 (build/read-rtl.o): Depend on gensupport.h.
17395 (genprognormal): Include preds.
17396 (genprogearly): Rename genprognoprint; only difference is now that
17397 they don't link with $(BUILD_PRINT).
17398 * dummy-conditions.c: Delete.
17400 2006-01-22 Zack Weinberg <zackw@panix.com>
17402 * genextract.c: Don't include insn-config.h. Do include vec.h.
17403 Declare vectors of int, char, and locstr.
17404 (locstr): New typedef.
17405 (struct extraction): Make all array fields into bare pointers.
17406 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17407 (insn_code_number): Delete.
17408 (accum_extract): New struct.
17409 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17410 (gen_insn): Take insn_code_number as an argument. Use an
17411 accum_extract structure instead of loading data directly into
17412 a struct extraction, and having to know how big it might get.
17413 (walk_rtx): Operate entirely on an accum_extract structure.
17414 (print_path): Avoid unnecessary use of printf.
17415 (print_header): New function, split out of main. Distinguish
17416 more carefully between an unrecognizable insn and an insn that
17417 has the code number of a define_expand.
17418 (main): Pass insn_code_number to gen_insn. Call print_header
17419 only after parsing. Avoid unnecessary use of printf.
17420 * Makefile.in (build/vec.o): New rule.
17421 (build/genextract): Depend on build/vec.o.
17422 (build/genextract.o): Don't depend on insn-config.h.
17424 2006-01-22 Zack Weinberg <zackw@panix.com>
17426 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17427 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17428 practical. Eliminate per-generator-program link rules.
17430 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17432 PR middle-end/24437
17433 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17434 with a call expr to ...
17435 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17437 2006-01-23 Richard Guenther <rguenther@suse.de>
17439 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17440 before make_edge with conditional EDGE_TRUE_VALUE.
17442 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17443 Jan Hubicka <jh@suse.cz>
17444 Richard Guenther <rguenther@suse.de>
17446 PR rtl-optimization/25654
17447 * cfgexpand.c (aggregate_contains_union_type): New function.
17448 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17449 for structure variables that contain a union type.
17451 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17453 * gengtype.c (new_structure): Return the structure.
17454 (create_option): Add an extra "next" argument.
17455 (create_field): New function.
17456 (adjust_field_rtx_def): Use create_option and create_field.
17457 Remove a now-unnecessary call to find_structure.
17458 (adjust_field_tree_def): Likewise.
17459 (note_yacc_type): Remove an unnecessary call to find_structure.
17460 * gengtype.h (new_structure): Return the structure.
17461 (create_option): Add an extra argument.
17462 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17463 (option): Adjust calls to create_option.
17465 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17467 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17469 2006-01-22 Paul Brook <paul@codesourcery.com>
17470 Peter Barada <peter@the-baradas.com>
17472 * config/m68k/m68k.md: Add Coldfire FPU support.
17473 Define FP mode macro and associated attributes.
17474 Use it for float mode patterns.
17475 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17476 (LIBCALL_VALUE): Use m68k_libcall_value.
17477 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17478 (m68k_function_value): Ditto.
17479 (emit_move_sequence): Ditto.
17480 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17481 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17482 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17483 (MULTILIB_EXCEPTIONS): Ditto.
17484 * config/m68k/m68k.opt: Add mcfv4e.
17485 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17486 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17487 (m68k_output_function_prologue): Save ColdFire FPU registers.
17488 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17489 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17490 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17491 ColdFire FPU registers.
17492 (m68k_libcall_value, m68k_function_value): New functions.
17493 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17494 (LIBCALL_VALUE): Use m68k_libcall_value.
17495 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17496 (MASK_COLDFIRE): Add MASK_CFV4E.
17497 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17498 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17499 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17500 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17501 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17502 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17503 * doc/invoke.tex: Document -mcfv4e on m68k.
17505 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17507 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17510 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17513 * c-opts.c (c_common_handle_option): Don't include
17514 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17515 * doc/invoke.texi (C++ Dialect Options): Document that
17516 -Wnon-virtual-dtor is no longer included in -Wall.
17518 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17520 * gcov.c (print_version), gcov-dump.c (print_version),
17521 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17524 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17526 * df-scan.c (problem_SCAN): Added NULL reset function.
17527 (df_scan_reset_blocks): Added code to call reset block function
17528 (df_bb_refs_delete) Fixed comment.
17529 (df_insn_refs_delete): Made tolerant of deleting non existent info
17530 for dataflow problems that need to be reset.
17531 * df-core.c (df_set_blocks): Ditto.
17532 * df.h (struct df_problem): Added reset_fun.
17533 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17534 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17535 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17536 functions to clear out all references to def-use or use-def chains.
17538 2006-01-21 Ben Elliston <bje@au.ibm.com>
17540 * varasm.c (assemble_real): Initialise data array.
17542 2006-01-20 Paul Brook <paul@codesourcery.com>
17544 Merge from csl-arm-branch.
17545 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17546 * config/arm/arm.md (movdi): Force operands[1] to a register
17547 if we have a non-register source.
17548 (*arm_movdi, *movdf_soft_insn): Require that one of the
17549 operands be a register.
17550 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17551 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17553 2006-01-20 DJ Delorie <dj@redhat.com>
17555 * varasm.c (initializer_constant_valid_p): Allow pointers
17556 initialized from integer constants of lesser precision.
17557 (output_constant): Allow non-int-sized pointer modes to be
17558 initialized from integer constants.
17560 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17563 * cppdefault.h (struct default_include): Add multilib flag.
17564 * cppdefault.c (cpp_include_defaults): Set it.
17565 * c.opt (-imultilib): New option.
17566 * c-opts.c (imultilib): New.
17567 (c_common_handle_option): Handle -imultilib.
17568 (c_common_post_options): Likewise.
17569 * c-incpath.c (add_standard_paths, register_include_chains):
17571 * c-incpath.h (register_include_chains): Add extra parameter.
17572 * gcc.c (do_spec_1): Generate -imultilib option.
17573 (The Specs Language): Update %I description.
17574 (process_command): Update copyright notice.
17575 * doc/cppopts.texi (-imultilib): Document.
17576 * doc/invoke.texi (-imultilib): Include in option summary.
17577 (%I): Update specs documentation.
17579 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17581 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17583 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17585 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17588 2006-01-20 Richard Guenther <rguenther@suse.de>
17589 Steven Bosscher <stevenb.gcc@gmail.com>
17591 PR rtl-optimization/24626
17592 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17593 EDGE_TRUE_VALUE if in RTL mode.
17596 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17597 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17599 2006-01-20 Dirk Mueller <dmueller@suse.com>
17602 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17603 instead of a special NOP marker.
17604 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17605 NOP marker handling.
17606 * c-common.h (empty_body_warning): Add forward declaration.
17607 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17608 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17610 2006-01-20 Paul Brook <paul@codesourcery.com>
17612 * Makefile.in (lang_checks): Keep going if mkdir fails.
17614 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17616 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17617 be able to clean out basic block when not necessary.
17618 (df_scan_free): Fixed to properly delete information if df is
17619 unused before calling df_finish.
17620 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17621 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17623 (df_bb_refs_delete): New function.
17624 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17625 * df-core.c (df_set_blocks): Added code to properly clean out
17626 unused blocks if they are not part of the blocks to consider.
17627 Added additional null check.
17628 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17629 be able to clean out basic block when not necessary
17630 * df.h (df_free_bb_function): Ditto.
17631 (df_bb_refs_delete): New function.
17632 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17633 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17634 basic block parameter to be able to clean out basic block when not
17636 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17637 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17638 Fixed to properly delete information if df is unused before
17641 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17643 PR rtl-optimization/25799
17644 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17645 Corrected confluence operator to remove bits from op2 before oring
17646 with op1 rather than removing bits from op1.
17647 (df_ru_transfer_function): Corrected test on wrong bitmap which
17648 caused infinite loop. Both of these problems were introduced in
17649 the dataflow rewrite.
17651 2006-01-19 DJ Delorie <dj@redhat.com>
17653 * reload1.c (find_reload_regs): Note the details of reload
17654 failures in the dump file.
17655 (spill_failure): Likewise.
17657 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17659 * loop-iv.c: Include df.h and hashtab.h.
17660 (enum iv_grd_result): New enum.
17661 (DF_REF_IV, DF_REF_IV_SET): New macros.
17662 (struct biv_entry): New.
17663 (df, bivs): New global variables.
17664 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17665 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17667 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17668 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17669 analyzed_for_bivness_p, record_biv): New functions.
17670 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17671 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17672 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17674 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17676 (iv_number_of_iterations): Use new interface to iv analysis.
17677 * loop-unroll.c: Do not include varray.h.
17678 (analyze_iv_to_split_insn): Use new interface to iv
17680 * loop-unswitch.c (may_unswitch_on): Ditto.
17681 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17683 (df_bb_modify): Realloc tables to the new index.
17684 (df_find_use): New function.
17685 * df.h (df_find_use): Declare.
17686 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17688 * cfgloop.h (struct rtx_iv): Remove analysed field.
17689 (iv_get_reaching_def): Removed.
17690 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17691 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17692 (loop-iv.o): Add df.h and hashtab.h dependency.
17693 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17695 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17698 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17700 (__floatundisf, __floatundidf): Likewise.
17701 * libgcc2.h (IS_IBM_EXTENDED): Define.
17703 2006-01-19 DJ Delorie <dj@redhat.com>
17705 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17707 2006-01-19 Paul Brook <paul@codesourcery.com>
17709 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17710 as nothrow when unwinding tables are disabled.
17712 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17715 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17716 of bit-field" when in system header.
17718 2006-01-19 DJ Delorie <dj@redhat.com>
17720 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17721 the 16 bit shift limit of the m16c.
17723 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17726 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17727 * config/i386/i386.c (output_set_got): Output the label if we have one
17728 for the TARGET_DEEP_BRANCH_PREDICTION case.
17730 2006-01-19 Jan Hubicka <jh@suse.cz>
17731 H.J. Lu <hongjiu.lu@intel.com>
17732 Evandro Menezes <evandro.menezes@amd.com>
17734 * invoke.texi (generic): Document
17736 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17737 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17738 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17739 (x86_use_incdec, x86_pad_returns): New variables
17740 (TARGET_CPU_DEFAULT_generic): New constant
17741 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17742 (enum processor_type): Add generic32 and generic64.
17743 * i386.md (cpu attribute): Add generic32/generic64
17744 (movhi splitter): Behave sanely when both partial_reg_dependency and
17745 partial_reg_stall are set.
17746 (K8 splitters): Enable for generic as well.
17747 * predicates.md (incdec_operand): Use TARGET_INCDEC
17748 (aligned_operand): Avoid memory mismatch stalls.
17749 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17750 * ppro.md: Enable for generic32
17751 * i386.c (generic64_cost, generic32_cost): New.
17752 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17753 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17754 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17755 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17756 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17757 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17758 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17759 x86_accumulate_outgoing_args, x86_prologue_using_move,
17760 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17761 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17762 Enable for generic.
17763 (x86_use_incdec, x86_pad_returns): New.
17764 (override_options): Add generic32 and generic64, translate "generic"
17765 to generic32/generic64 and "i686" to "generic32", refuse
17766 "generic32"/"generic64" as arch target.
17767 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17768 (ix86_reorg): Honor PAD_RETURNS.
17770 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17772 * tree-pretty-print.c (dump_generic_node): Handle
17773 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17774 * cgraph.c (cgraph_expand_queue): Rename from
17775 cgraph_analyze_queue. Update all users.
17776 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17777 cgraph_expand_queue.
17778 (cgraph_expand_all_functions): Likewise.
17779 (cgraph_finalize_pending_functions): Remove. Update callers.
17781 * tree.h (OMP_DIRECTIVE_P): Define.
17782 (OMP_PARALLEL_FN): Define.
17783 (OMP_PARALLEL_DATA_ARG): Define.
17784 (OMP_SECTIONS_SECTIONS): Define.
17785 * tree-pass.h (pass_expand_omp): Declare.
17786 * omp-low.c (struct omp_region): Declare.
17787 (struct omp_context): Remove fields 'parallel_type',
17788 'parallel_start_ix' and 'parallel_start_additional_args'.
17790 (struct omp_for_data): Rename from struct expand_omp_for_data.
17791 (omp_regions): New static variable.
17792 (root_omp_region): New static variable.
17793 (find_omp_clause): Make static.
17794 (is_in_combined_parallel_ctx): Remove.
17795 (is_combined_parallel): New.
17796 (extract_omp_for_data): Move earlier in the file.
17797 (workshare_safe_to_combine_p): New.
17798 (get_ws_args_for): New.
17799 (determine_parallel_type): Move earlier in the file.
17800 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17802 (omp_copy_decl): Likewise.
17803 (create_omp_child_function): Likewise.
17804 (lookup_omp_region): New.
17805 (dump_omp_region): New.
17806 (debug_omp_region): New.
17807 (debug_all_omp_regions): New.
17808 (new_omp_region): New.
17809 (scan_omp_parallel): If parallel_nesting_level > 1, the
17810 directive is nested within another parallel directive.
17811 Set OMP_PARALLEL_FN.
17812 (scan_omp_for): Do not try to handle combined parallel+for
17814 Remove FIXME comment.
17815 (scan_omp_nested): Remove.
17816 (scan_omp_1): Do not call scan_omp_nested when
17817 parallel_nesting_level is > 1.
17818 Do not change the DECL_CONTEXT of local variables found.
17819 (lookup_decl_in_outer_ctx): New.
17820 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17821 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17822 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17823 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17824 If CTX is nested, lookup VAR in the outer context when
17825 building copy assignment.
17826 (lower_send_clauses): Rename from expand_send_clauses.
17827 If CTX is nested, lookup VAR in the outer context when
17828 building copy assignments.
17829 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17830 If CTX is nested, lookup VAR in the outer context when
17831 building copy assignments.
17832 (expand_parallel_call): Rename from build_parallel_call.
17833 Handle combined parallel+workshare cases.
17834 Re-implement to emit code into the CFG.
17836 (expand_omp_parallel): Re-implement to emit code into the CFG.
17837 Call move_sese_region_to_fn to outline the sub-graph
17838 containing the parallel region.
17839 (expand_omp_for_1): Remove.
17840 (expand_omp_for_generic): Re-implement to emit code into the
17842 (expand_omp_for_static_nochunk): Likewise.
17843 (expand_omp_for_static_chunk): Likewise.
17844 (expand_omp_for): Likewise.
17845 (expand_omp_sections): Likewise.
17846 (remove_exit_barriers): New.
17847 (expand_omp_synch): New.
17849 (build_omp_regions_1): New.
17850 (build_omp_regions): New.
17851 (execute_expand_omp): New.
17852 (gate_expand_omp): New.
17853 (pass_expand_omp): Define.
17854 (lower_omp_sections): Rename from expand_omp_sections.
17855 Set OMP_SECTIONS_SECTIONS.
17856 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17857 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17858 (lower_omp_single): Rename from expand_omp_simple.
17859 (lower_omp_master): Rename from expand_omp_master.
17860 (lower_omp_ordered): Rename from expand_omp_ordered.
17861 (lower_omp_critical): Rename from expand_omp_critical.
17862 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17863 (lower_omp_for): Re-implement.
17864 (lower_omp_parallel): Re-implement.
17865 (lower_regimplify): Rename from expand_regimplify.
17866 (lower_omp_1): Rename from expand_omp_1.
17867 If there are syntax errors in the program, replace every
17868 OpenMP directive with NOP.
17869 Call lower_omp_* instead of expand_omp_*.
17870 (lower_omp): Rename from expand_omp.
17872 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17873 * tree-gimple.h (enum omp_parallel_type): Remove.
17874 (gimple_boolify): Declare extern.
17875 (find_omp_clause, determine_parallel_type): Remove.
17877 * gimple-low.c (lower_omp_directive): New.
17878 (lower_stmt): Call it.
17879 (record_vars_into): Move from ...
17880 (record_vars): ... here.
17881 Call record_vars_into with current_function_decl.
17883 * gimplify.c (struct gimplify_ctx): Remove fields
17884 combined_pre_p and combined_ctxp. Update users.
17885 (get_formal_tmp_var): Add documentation.
17886 (gimple_boolify): Make extern.
17887 (gimplify_expr_in_ctx): Remove. Update callers.
17888 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17889 will always be a BIND_EXPR.
17890 (gimplify_expr): Handle OMP_RETURN_EXPR.
17891 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17892 (OMP_PARALLEL): Add 3 operands.
17893 (OMP_SECTIONS): Add 1 operand.
17894 (OMP_RETURN_EXPR): Define.
17896 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17897 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17898 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17899 creating a circular free list.
17900 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17902 * tree-flow.h (move_sese_region_to_fn): Declare.
17903 (record_vars_into): Declare.
17904 * tree-cfg.c (make_omp_sections_edges): New.
17905 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17906 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17907 OMP_SECTIONS and OMP_SECTION.
17908 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17909 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17910 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17911 (gather_blocks_in_sese_region): New.
17912 (struct move_stmt_d): Declare.
17913 (move_stmt_r): New.
17914 (move_block_to_fn): New.
17915 (move_sese_region_to_fn): New.
17917 * passes.c (init_optimization_passes): Schedule
17918 pass_expand_omp after pass_init_datastructures.
17920 * tree-ssa-operands.c (get_expr_operands): Handle
17921 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17922 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17924 2006-01-19 Jeff Law <law@redhat.com>
17926 * tree-vrp.c (extract_range_from_assert): Refine the result range
17927 if the variable referenced by the ASSERT_EXPR has a range and
17928 either the tentative result range or the previous range is a
17931 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17933 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17935 2006-01-19 Jan Hubicka <jh@suse.cz>
17937 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17939 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17941 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17942 (expand_compound_operation, expand_field_assignment): Fail if the
17943 bit lengths of an extract operation are out of range.
17944 (make_extraction): Compute wanted_inner_mode based on the position
17945 and length of the extraction. Make it extraction_mode for non-constant
17946 positions, and do not modify offset in that case. When generating a
17947 new MEM, use a mode that can hold the extraction while keeping correct
17948 alignment. Remove code that supported MEMs wrapped by USEs.
17949 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
17951 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
17953 * config/s390/s390.md ("Y", "y"): New mode attribute.
17954 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
17955 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
17956 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
17957 "*addsi3_imm_cc", "*addsi3_carry1_cc",
17958 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
17959 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
17960 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
17961 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
17962 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
17963 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
17964 "addsi3", "subsi3"): Insn patterns removed.
17965 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
17966 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
17967 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
17968 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
17969 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
17970 "*sub<mode>3_cconly2"): New insn patterns.
17971 ("addsi3", "subsi3"): New expanders.
17973 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
17975 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
17976 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
17977 existing STMT_VINFO_VECTYPE if available.
17978 (vect_mark_relevant): Add special handling for stmts that are
17979 marked as STMT_VINFO_IN_PATTERN_P.
17980 (vect_analyze_loop): Call vect_pattern_recog.
17981 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
17982 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
17984 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
17985 (vect_recog_func_ptr): New function-pointer type.
17986 * tree-vect-patterns.c: New file.
17987 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
17988 (vect_recog_dot_prod_pattern, vect_pattern_recog):
17989 (vect_pattern_recog_1): New functions.
17990 (vect_pattern_recog_funcs): New array of function pointers.
17992 * tree-vectorizer.h (ternary_op): New enum value.
17993 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
17994 declaration. Revised documentation. Removed redundant dump prints.
17995 Removed redundant argument. Added support for reduction patterns.
17996 (vectorizable_reduction): Added support for reduction patterns.
17997 (vect_transform_stmt): Added support for patterns.
17999 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18000 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18001 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18002 (expand_widen_pattern_expr): New function.
18003 (init_optabs): Initialize new optabs udot_prod_optab,
18005 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18006 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18007 (expand_widen_pattern_expr): New function declaration.
18008 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18010 * tree-inline.c (estimate_num_insns_1): Added cases for new
18011 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18012 * tree-pretty-print.c (dump_generic_node): Likewise.
18013 (op_prio): Likewise.
18014 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18015 * tree-ssa-operands.c (get_expr_operands): Added case for
18017 * tree-vect-patterns.c (widened_name_p): New function.
18018 (vect_recog_dot_prod_pattern): Added function implementation.
18019 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18020 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18021 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18022 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18024 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18025 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18026 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18027 (init_optabs): Initialize new optabs widen_ssum_optab,
18029 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18030 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18031 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18032 use instead of type of def.
18033 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18034 function implementation.
18035 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18036 widen_ssumv8hi): New.
18038 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18041 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18044 * c-decl.c (add_flexible_array_elts_to_size): New function.
18045 (finish_decl): Use it.
18047 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18049 * diagnostic.h: Include options.h.
18050 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18051 dependancies for diagnostic.h.
18052 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18054 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18056 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18057 (ssa_ro_call_cache_valid): Ditto.
18058 * tree-ssa-alias.c (sort_tags_by_id): New function.
18059 (init_transitive_clobber_worklist): Ditto.
18060 (add_to_worklist): Ditto.
18061 (mark_aliases_call_clobbered): Ditto.
18062 (compute_tag_properties): Ditto.
18063 (set_initial_properties): Ditto.
18064 (compute_call_clobbered): Ditto.
18065 (compute_may_aliases): Call compute_call_clobbered and grouping.
18066 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18067 (compute_flow_insensitive_aliasing): Grouping now happens in our
18069 (setup_pointers_and_addressables): Remove clobbering related code.
18070 (add_may_alias): Ditto.
18071 (replace_may_alias): Ditto.
18072 (get_nmt_for): Ditto.
18073 (create_global_var):
18074 (is_escape_site): Return an escape_type enumeration.
18075 * tree-flow-inline.h (is_call_clobbered): Global var does not
18076 imply call clobbered.
18077 (mark_call_clobbered): Take a reason for marking this. Remove
18078 marking of globalness, and cache invalidation.
18079 (clear_call_clobbered): Remove cache invalidation code.
18080 * tree-dfa.c (dump_variable): If details is on, dump the reason
18082 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18084 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18085 (struct var_ann_d): Ditto.
18086 (enum escape_type): New.
18087 (mark_call_clobbered): Adjust prototype.
18088 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18089 are never call clobbered.
18090 Record reasons for escaping.
18091 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18092 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18093 (ssa_ro_call_cache_valid): Ditto.
18094 (clobbered_v_may_defs): Ditto.
18095 (clobbered_vuses): Ditto.
18096 (ro_call_vuses): Ditto.
18097 (clobber_stats): New.
18098 (init_ssa_operands): Zero out clobber stats.
18099 (fini_ssa_operands): Print out clobber stats.
18100 (get_call_expr_operands): Pass callee fndecl to
18101 add_call_read_ops).
18102 (add_call_clobber_ops): Remove use of cache.
18103 Add use of PURE_CONST information.
18104 (add_call_read_ops): Remove use of cache.
18105 Add use of static not_read information.
18107 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18109 Introduce TLS descriptors for i386 and x86_64.
18110 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18111 (TARGET_ANY_GNU_TLS): New macro.
18112 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18113 (struct machine_function): Add tls_descriptor_call_expanded_p.
18114 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18115 (ix86_current_function_calls_tls_descriptor): Likewise.
18116 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18117 (override_options): Introduce gnu2 tls dialect.
18118 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18120 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18122 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18123 (ix86_init_machine_status): Initialize new field.
18124 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18125 (ix86_tls_module_base): New.
18126 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18127 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18128 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18129 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18130 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18131 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18132 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18133 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18134 * config/i386/predicates.md (tls_modbase_operand): New.
18135 (tp_or_register_operand): New.
18137 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18139 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18140 (look_for_address_of): Ditto.
18141 (ipa_init): Walk the function decls.
18142 (static_execute): Don't set readonly on FUNCTION_DECL's.
18144 2006-01-18 Roger Sayle <roger@eyesopen.com>
18146 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18147 for shifts where the source and destination registers are different.
18149 2006-01-18 Paul Brook <paul@codesourcery.com>
18151 Merge from csl-arm-branch.
18152 2005-03-14 Julian Brown <julian@codesourcery.com>
18153 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18154 (aeabi_llsl): Likewise.
18155 (ashrdi3): Likewise.
18156 (aeabi_lasr): Likewise.
18157 (lshrdi3): Likewise.
18158 (aeabi_llsr): Likewise.
18159 2005-03-10 Julian Brown <julian@codesourcery.com>
18160 * config.gcc: Disable shared libgcc for SymbianOS.
18161 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18163 2006-01-18 DJ Delorie <dj@redhat.com>
18165 * c-pragma.c (handle_pragma_diagnostic): New.
18166 (init_pragma): Register it.
18167 * doc/extend.texi: Document it.
18169 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18170 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18171 (diagnostic_context): Add classify_diagnostic[].
18172 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18173 as errors if they're overridden to DK_WARNING.
18174 (diagnostic_initialize): Initialize classify_diagnostic[].
18175 (diagnostic_set_kind_override): New.
18176 (diagnostic_report_diagnostic): Check for kind changes.
18177 * opts.c (common_handle_option): Take lang_mask. Update callers.
18178 Handle OPT_Werror_.
18179 * common.opt (Werror=): New.
18180 * doc/invoke.texi: Document -Werror=*
18182 2006-01-18 Jeff Law <law@redhat.com>
18184 * tree-vrp.c (test_for_singularity): Correct test for new
18185 min limit. Use operand_equal_p rather than pointer equality
18186 for testing if new min/max values are equal.
18188 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18189 using range information until after propagation and folding.
18191 2006-01-18 Richard Henderson <rth@redhat.com>
18192 Aldy Hernandez <aldyh@redhat.com>
18193 Jakub Jelinek <jakub@redhat.com>
18194 Diego Novillo <dnovillo@redhat.com>
18196 * omp-low.c: New file.
18197 * c-omp.c: New file.
18199 2006-01-18 Richard Henderson <rth@redhat.com>
18200 Jakub Jelinek <jakub@redhat.com>
18201 Diego Novillo <dnovillo@redhat.com>
18203 * doc/invoke.texi: Document -fopenmp.
18204 * tree-dump.h (debug_function): Declare.
18205 * hooks.c (hook_bool_tree_bool_false): New function.
18206 (hook_tree_tree_null): Remove.
18207 (hook_tree_tree_tree_null): New.
18208 * hooks.h: Update to match.
18209 * tree-pretty-print.c (debug_tree_chain): New.
18210 (print_generic_expr): Handle TDF_CHAIN.
18211 (dump_generic_node): Handle BLOCK.
18212 Do not abort with incomplete SWITCH_EXPRs.
18213 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18214 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18215 print space after directive name.
18216 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18217 Handle OMP_MASTER and OMP_ORDERED.
18218 Handle printing of OMP_BODY just in one place, goto
18219 dump_omp_body in the rest of OMP_* nodes that have
18221 Don't handle clause nodes here. Update omp statements to
18222 use dump_omp_clauses.
18223 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18224 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18225 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18226 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18227 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18228 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18229 Adjust output for GOMP_PARALLEL.
18230 (dump_omp_clauses): New.
18231 (print_declaration): Dump DECL_VALUE_EXPR.
18232 (op_symbol_1): Split out of op_symbol.
18233 (dumping_stmts): Remove. Update all users.
18234 * cgraph.c (cgraph_analyze_queue): New.
18235 (cgraph_add_new_function): New.
18236 * cgraph.h (cgraph_analyze_queue): Declare.
18237 (cgraph_add_new_function): Declare.
18238 (cgraph_lower_function): Remove.
18239 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18240 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18241 and TYPE_P nodes in its default clause.
18242 (empty_body_p): New.
18243 (tree_range_check_failed): New.
18244 (build5_stat): New.
18245 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18246 OMP_CLAUSE_REDUCTION_MERGE,
18247 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18248 OMP_CLAUSE_PRIVATE_DEBUG,
18249 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18250 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18251 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18252 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18253 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18254 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18255 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18256 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18257 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18258 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18259 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18260 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18261 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18262 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18263 (TREE_RANGE_CHECK): New.
18264 (empty_body_p): Declare.
18265 (enum omp_clause_default_kind): New.
18266 (build_string_literal): Declare.
18267 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18268 (build5_stat, build5): Declare.
18269 * tree-pass.h (TDF_CHAIN): Define.
18270 * tree-pass.h (PROP_gimple_lomp): Define.
18271 (pass_lower_omp): Declare.
18272 * diagnostic.h (debug_tree_chain): Declare.
18273 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18275 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18276 * builtins.c (build_string_literal): Make extern.
18277 * gcc.c (include_spec_function): New.
18278 (static_spec_functions): Add it.
18279 (main): Move load of libgomp.spec ...
18280 (LINK_COMMAND_SPEC): ... here.
18281 (link_gomp_spec): New.
18282 (static_specs): Include it.
18283 (LINK_COMMAND_SPEC): Add link_gomp.
18284 (GOMP_SELF_SPECS): New.
18285 (driver_self_specs): Include it.
18286 (switch_matches): Don't mark inline.
18287 (main): Load libgomp.spec.
18288 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18289 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18290 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18291 * tree-gimple.h (enum omp_parallel): Declare.
18292 (determine_parallel_type): Declare.
18293 (omp_firstprivatize_variable): Declare.
18294 (omp_reduction_init): Declare.
18295 (diagnose_omp_structured_block_errors): Declare.
18296 (struct walk_stmt_info): Add want_return_expr.
18297 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18298 (find_omp_clause): Declare.
18299 (insert_field_into_struct): Declare.
18300 (struct walk_stmt_info): Move from tree-nested.c
18301 (walk_stmts): Declare.
18302 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18304 * cgraphunit.c (cgraph_lower_function): Make static.
18305 (cgraph_finalize_pending_functions): New.
18306 (cgraph_finalize_function): Call it.
18307 (cgraph_finalize_compilation_unit): Likewise.
18308 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18309 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18310 (BT_FN_UINT_UINT): New.
18311 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18312 DEF_FUNCTION_TYPE_VAR_4): Document.
18313 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18314 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18315 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18316 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18317 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18318 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18319 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18320 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18321 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18322 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18323 into separate files.
18324 (DEF_GOMP_BUILTIN): New.
18325 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18326 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18327 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18328 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18329 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18330 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18331 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18332 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18333 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18334 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18335 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18336 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18337 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18338 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18339 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18340 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18341 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18342 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18343 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18344 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18345 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18346 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18347 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18348 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18349 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18350 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18351 * sync-builtins.def: New file, moved from builtins.def.
18352 * omp-builtins.def: New file, moved from builtins.def.
18353 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18354 * gimple-low.c (lower_function_body): Clear data.
18355 (lower_stmt): Do not handle COMPOUND_EXPR.
18356 Remove call to print_node_brief.
18357 * c-tree.h (c_finish_omp_clauses): New prototype.
18358 (C_DECL_THREADPRIVATE_P): Define.
18359 (lookup_name_no_remap, c_omp_remap_private): Remove
18360 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18361 (check_for_loop_decls): Update decl.
18362 (lookup_name_no_remap, c_omp_remap_private): Declare.
18363 (build_indirect_ref, build_modify_expr, pushdecl,
18364 pushdecl_top_level): Move to c-common.h.
18365 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18366 before the switch, but just in the 2 places that need it.
18367 * c-decl.c (diagnose_mismatched_decls): Do not check for
18368 mismatched thread-local attributes when OLDDECL is marked
18369 threadprivate and NEWDECL has no thread-local attributes.
18370 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18371 (c_gimple_diagnostics_recursively): Rename from
18372 c_warn_unused_result_recursively. Invoke
18373 diagnose_omp_structured_block_errors.
18374 (check_for_loop_decls): Return a singular decl found.
18375 * langhooks.c (lhd_omp_predetermined_sharing): Return
18376 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18377 (lhd_omp_firstprivatize_type_sizes): New.
18378 (lhd_omp_assignment): New.
18379 (lhd_omp_predetermined_sharing): New.
18380 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18381 (struct lang_hooks_for_types): Add
18382 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18383 omp_predetermined_sharing, omp_disregard_value_expr,
18384 omp_private_debug_clause, omp_clause_default_ctor,
18385 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18386 (c_finish_omp_clauses): New.
18387 (c_finish_bc_stmt): Diagnose break within omp for.
18388 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18389 (build_unary_op): Return error_mark after reporting
18391 (build_modify_expr): Likewise.
18392 * gimplify.c: Include optabs.h and pointer-set.h.
18393 (enum gimplify_omp_var_data): Declare.
18394 (struct gimplify_omp_ctx): Declare.
18395 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18397 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18398 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18399 (splay_tree_compare_decl_uid): New.
18400 (new_omp_context): New.
18401 (delete_omp_context): New.
18402 (gimple_add_tmp_var): Call omp_add_variable.
18403 (gimplify_bind_expr): Likewise.
18404 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18405 true, disregard DECL_VALUE_EXPR on the decl if any.
18406 (gimplify_expr_in_ctx): New.
18407 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18408 omp_add_variable, omp_notice_variable, omp_is_private
18409 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18410 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18411 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18412 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18413 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18414 gimplify_omp_atomic): New.
18415 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18416 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18417 OMP_CRITICAL and OMP_ATOMIC.
18418 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18419 * c-pragma.h (enum pragma_kind): Add
18420 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18421 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18422 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18423 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18424 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18425 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18426 PRAGMA_OMP_THREADPRIVATE.
18427 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18428 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18429 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18430 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18431 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18432 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18433 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18434 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18435 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18436 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18437 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18438 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18439 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18441 (struct nesting_info): Add field_map,
18442 suppress_expansion, debug_var_chain.
18443 (create_nesting_tree): Initialize them.
18444 (lookup_field_for_decl): Use field_map.
18445 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18446 (convert_local_omp_clauses): New.
18447 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18448 (walk_body): Split out of walk_function.
18449 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18450 (convert_nonlocal_reference): Handle omp statements.
18451 (convert_local_reference): Likewise.
18452 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18453 (unnest_nesting_tree): New.
18454 (lower_nested_functions): Call it.
18455 (insert_field_into_struct): Make extern.
18456 (struct walk_stmt_info): Move to tree-gimple.h.
18457 (walk_stmts): Make extern.
18458 * omp-builtins.def: New file.
18459 * tree-iterator.c (expr_only): Clarify comment.
18460 * c-common.h (pushdecl_top_level, pushdecl,
18461 build_modify_expr, build_indirect_ref,
18462 c_finish_omp_master, c_finish_omp_critical,
18463 c_finish_omp_ordered, c_finish_omp_barrier,
18464 c_finish_omp_atomic, c_finish_omp_flush,
18465 c_finish_omp_for, c_split_parallel_clauses,
18466 omp_clause_default_kind, c_omp_sharing_predetermined,
18467 c_omp_remap_decl): Declare.
18468 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18469 (OBJS-common): Add omp-low.o.
18470 (c-omp.o, omp-low.o): Add.
18471 (gimplify.o): Add dependency on $(OPTABS_H).
18472 (GTFILES): Add omp-low.c.
18473 (gt-stringpool.h): Add.
18474 * tree-cfg.c (set_bb_for_stmt): Do not update the
18475 block-to-labels map if we are currently expanding to RTL.
18476 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18478 Handle IDENTIFIER_NODE.
18479 (tree_verify_flow_info): Do not ICE when emitting error
18480 messages about invalid labels.
18481 (dump_function_to_file): Reset CFUN before emitting the body
18483 (debug_function): New.
18484 * passes.c (init_optimization_passes): Schedule
18486 * langhooks-def.h (lhd_omp_predetermined_sharing,
18487 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18489 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18490 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18491 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18492 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18493 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18494 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18495 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18496 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18497 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18498 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18499 (LANG_HOOK_DECLS): Use them.
18501 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18502 Richard Henderson <rth@redhat.com>
18503 Jakub Jelinek <jakub@redhat.com>
18504 Diego Novillo <dnovillo@redhat.com>
18506 * c-parser.c (pragma_omp_clause): Define.
18507 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18508 (c_parser_compound_statement): Likewise.
18509 (c_parser_statement): Likewise.
18510 (c_parser_pragma): Handle omp pragmas.
18511 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18512 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18513 (c_parser_omp_clause_name, check_no_duplicate_clause,
18514 c_parser_omp_variable_list,
18515 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18516 c_parser_omp_clause_copyprivate,
18517 c_parser_omp_clause_default,
18518 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18519 c_parser_omp_clause_lastprivate,
18520 c_parser_omp_clause_nowait,
18521 c_parser_omp_clause_num_threads,
18522 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18523 c_parser_omp_clause_reduction,
18524 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18525 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18526 c_parser_omp_atomic, c_parser_omp_barrier,
18527 c_parser_omp_critical, c_parser_omp_flush,
18528 c_parser_omp_for_loop, c_parser_omp_for,
18529 c_parser_omp_master, c_parser_omp_ordered,
18530 c_parser_omp_sections_scope, c_parser_omp_sections,
18531 c_parser_omp_parallel, c_parser_omp_single,
18532 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18533 * c-pragma.c (init_pragma): Do omp pragma registration here.
18534 * c.opt (fopenmp): New flag.
18536 2006-01-18 Eric Christopher <echristo@apple.com>
18538 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18539 * config/darwin.h (GOMP_SELF_SPECS): Define.
18541 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18543 * rtl.h: Remove the prototype for reg_alloc.
18545 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18548 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18549 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18550 sjlj and dwarf2 exception handling.
18551 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18552 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18553 * pa/pa.c (function_value): Treat complex and vector types as
18555 (function_arg): Likewise. Only pass scalar floats in the floating
18556 point argument registers.
18557 * pa/t-slibgcc-dwarf-ver: New file.
18558 * pa/t-slibgcc-sjlj-ver: New file.
18559 * pa/t-slibgcc-elf-ver: Delete file.
18561 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18563 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18564 unlikely_test_section_p test.
18566 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18568 * mode-switching.c (optimize_mode_switching): Make it static.
18569 * basic-block.h: Remove the prototype for
18570 optimize_mode_switching.
18572 * modulo-sched.c (sms_schedule): Make it static.
18573 * rtl.h: Remove the prototype for sms_schedule.
18575 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18576 * rtl.h: Remove the prototype for gcse_after_reload_main.
18578 * reg-stack.c (reg_to_stack): Make it static.
18579 * rtl.h: Remove the prototype for reg_to_stack.
18581 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18583 * rtl.h: Remove the prototypes for regrename_optimize and
18584 copyprop_hardreg_forward.
18586 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18588 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18589 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18590 Test against the appropriate null constant for the mode.
18591 If 'fixup_overlap' is true, swap the operands if they overlap.
18592 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18593 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18594 alpha_split_tmode_pair and adjust for above change.
18595 * config/alpha/alpha.md (movtf_internal): Adjust call to
18596 alpha_split_tfmode_pair and rely on it to swap the operands.
18597 (movti_internal): New insn and post-reload splitter.
18598 (movti): New expander.
18600 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18602 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18605 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18607 * rtlanal.c (global_reg_mentioned_p_1,
18608 global_reg_mentioned_p): Remove.
18609 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18611 * flow.c (initialize_uninitialized_subregs): Make it static.
18612 * rtl.h: Remove the prototype for
18613 initialize_uninitialized_subregs.
18615 * function.c (instantiate_virtual_regs): Make it static.
18616 * function.h: Remove the prototype for
18617 instantiate_virtual_regs.
18619 * regmove.c (regmove_optimize, combine_stack_adjustments):
18621 * rtl.h: Remove the prototypes for regmove_optimize and
18622 combine_stack_adjustments.
18624 2006-01-17 Roger Sayle <roger@eyesopen.com>
18626 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18627 (size_cost): Encode costs in bytes so that a reg-reg addition is
18628 equivalent to COSTS_N_INSNS(1).
18629 (override_options): Use the size_cost.branch_cost as the default
18630 ix86_branch_cost when optimizing for size.
18632 2006-01-18 Ben Elliston <bje@au.ibm.com>
18634 * Makefile.in (D32PBIT_FUNCS): New.
18635 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18636 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18637 D64PBIT_FUNCS and D128PBIT_FUNCS.
18638 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18639 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18641 (decnumber_dep): Define.
18642 * doc/libgcc.texi (Decimal float library routines): New node.
18643 * config/dfp-bit.h, config/dfp-bit.c: New files.
18645 2006-01-18 Ben Elliston <bje@au.ibm.com>
18647 * expr.c (emit_move_change_mode): Always adjust addresses, not
18648 just during reload. Copy replacements only during reload.
18649 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18650 emit_move_via_integer.
18652 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18654 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18655 instead of $(srcdir) and ${srcdir}.
18657 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18660 PR middle-end/11135
18661 * arm.h (struct machine_function): Add pic_reg.
18662 * arm.c (arm_pic_register): Make unsigned.
18663 (arm_override_options): Only set arm_pic_register if
18664 TARGET_SINGLE_PIC_BASE.
18665 (use_return_insn): Only test for a pic register if it is fixed.
18666 (arm_compute_save_reg0_reg12_mask): Likewise.
18667 (thumb_compute_save_reg_mask): Likewise.
18668 (legitimate_pic_operand): Factor out some known invariants.
18669 (legitimize_pic_address): If we don't have a fixed pic register,
18670 then set up a pseudo in the function entry sequence. Handle the
18671 pic base being in a pseudo.
18672 (arm_load_pic_register): Handle the pic register being in a pseudo.
18673 (arm_expand_prologue): Only set up the pic register if it is fixed.
18674 (thumb_expand_prologue): Likewise.
18675 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18676 (pic_load_addr_based_insn): Likewise.
18677 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18680 2006-01-18 Ben Elliston <bje@au.ibm.com>
18682 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18683 decimal float modes for all floating point registers.
18685 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18686 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18688 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18691 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18692 even when the pointer is not NULL.
18694 2006-01-16 Ian Lance Taylor <ian@airs.com>
18696 * common.opt (ftoplevel-reorder): New option.
18697 * cgraph.c (cgraph_asm_nodes): New global variable.
18698 (cgraph_asm_last_node): New static variable.
18699 (cgraph_order): New global variable.
18700 (cgraph_create_node): Set new order field.
18701 (cgraph_varpool_node): Likewise.
18702 (decide_is_variable_needed): Return true if not
18703 flag_toplevel_reorder.
18704 (cgraph_add_asm_node): New function.
18705 * cgraph.h (struct cgraph_node): Add order field.
18706 (struct cgraph_varpool_node): Add order field.
18707 (struct cgraph_asm_node): Define.
18708 (cgraph_asm_nodes, cgraph_order): Declare.
18709 (cgraph_add_asm_node): Declare.
18710 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18712 (cgraph_varpool_assemble_pending_decls): Call it.
18713 (cgraph_output_pending_asms): New static function.
18714 (cgraph_finalize_compilation_unit): Call it.
18715 (struct cgraph_order_sort): Define.
18716 (cgraph_output_in_order): New static function.
18717 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18718 !flag_toplevel_reorder case.
18719 * c-parser.c: Include "cgraph.h".
18720 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18722 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18723 than -fno-unit-at-a-time.
18724 * doc/invoke.texi (Option Summary): Mention
18725 -fno-toplevel-reorder.
18726 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18727 -funit-at-a-time documentation.
18729 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18730 Kazu Hirata <kazu@codesourcery.com>
18732 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18734 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18736 * Makefile.in (FUNCTION_H): New. Use it instead of
18737 function.h throughout the file.
18738 * function.h: Include tree.h.
18740 2006-01-17 Ben Elliston <bje@au.ibm.com>
18742 * recog.c: Separate some functions with whitespace.
18744 2006-01-16 Richard Henderson <rth@redhat.com>
18746 Merge from gomp branch:
18747 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18748 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18749 and rename from struct inline_data. Rename callee* to dst*;
18750 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18751 transform_new_cfg, transform_return_to_modify, and
18752 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18754 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18755 (copy_decl_for_dup): Remove.
18756 * tree-inline.c (struct inline_data): Move to header.
18757 (insert_decl_map): Export.
18758 (remap_decl): Update for member name changes. Use copy_decl hook.
18759 Allow for replacement to be a non-decl. Remove dead code.
18760 (remap_type_1): Check for existing mapping.
18761 (remap_type): Export.
18762 (remap_decls): Update for member name changes.
18763 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18764 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18765 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18766 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18767 (tree_function_versioning, build_duplicate_type): Likewise.
18768 (copy_body_r): Likewise. Export.
18769 (copy_decl_for_dup): Split into ...
18770 (copy_decl_for_dup_finish, copy_decl_to_var,
18771 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18772 (replace_ref_tree, inlining_p): Remove.
18774 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18776 * ifcvt.c (if_convert): Make it static.
18777 * rtl.h: Remove the prototype for if_convert.
18779 * local-alloc.c (local_alloc): Make it static.
18780 * rtl.h: Remove the prototype for local_alloc.
18782 * loop.c (loop_optimize): Make it static.
18783 * cfgloop.h: Remove the prototype for loop_optimize.
18786 2006-01-16 DJ Delorie <dj@redhat.com>
18788 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18791 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18793 * pa.md: Disparage copies between general and floating-point registers
18794 in 32-bit move patterns.
18796 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18799 * Makefile.in (check-%): Depend on site.exp instead of
18800 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18803 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18805 * global.c (global_alloc): Make it static.
18806 * rtl.h: Remove the prototype for global_alloc.
18808 2006-01-16 Richard Guenther <rguenther@suse.de>
18810 * tree-ssa-alias.c (struct used_part): Add write_only field.
18811 (get_or_create_used_part_for): Initialize it to true.
18812 (create_overlap_variables_for): Don't create structure variables
18813 for structures that only are written to.
18814 (find_used_portions): Handle MODIFY_EXPR to track whether a
18815 structure is only written to.
18817 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18819 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18821 * basic-block.h: Remove the prototype for
18822 partition_hot_cold_basic_blocks.
18824 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18826 * cppspec.c (lang_specific_spec_functions): Remove.
18827 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18828 * gcc.h (lang_specific_spec_functions): Remove.
18829 * gccspec.c (lang_specific_spec_functions): Remove.
18831 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18833 * combine.c (record_value_for_reg): Invalidate registers
18835 (record_dead_and_set_regs_1): Likewise, by passing them to
18836 record_value_for_reg.
18837 (record_dead_and_set_regs): Invalidate stores made by a
18838 call. We do not combine across a call, but we still
18839 relied on equivalences.
18841 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18843 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18844 vrp_int_const_binop returning non-constant nodes.
18846 2006-01-16 Paul Brook <paul@codesourcery.com>
18848 * config/m68k/m68k.c (output_move_const_into_data_reg):
18849 Output correct mnemonic for mvz and mvs.
18851 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18853 * rtl-factoring.c: Add sequence abstraction algorithm.
18854 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18855 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18857 (block_has_preserve_label): New function.
18858 * common.opt: Register new pass.
18859 * Makefile.in: Ditto.
18861 * timevar.def: Ditto.
18862 * tree-pass.h: Ditto.
18863 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18864 * rtl.h (make_jump_insn_raw): Add forward decl.
18865 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18867 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18868 Roger Sayle <roger@eyesopen.com>
18870 * fold-const.c (fold_minmax): New static function.
18871 (fold_binary) <MIN_EXPR>: Call it.
18872 <MAX_EXPR>: Likewise.
18873 * stor-layout.c (place_field): Use DECL_SIZE consistently
18874 in the computation of the new record size.
18876 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18878 * cse.c (cse_condition_code_reg): Make it static.
18879 * rtl.h: Remove the prototype for cse_condition_code_reg.
18881 * combine.c (combine_instructions): Make it static.
18882 * rtl.h: Remove the prototype for combine_instructions.
18884 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18887 * tree.c (get_file_function_name_long): Concatenate the first global
18888 object name with a string derived from the input filename of the object
18891 2006-01-16 Ben Elliston <bje@au.ibm.com>
18893 * config/i386/winnt-stubs.c: Update FSF address.
18894 * config/xtensa/ieee754-df.S: Ditto.
18895 * config/xtensa/ieee754-sf.S: Ditto.
18897 2006-01-14 Ian Lance Taylor <ian@airs.com>
18899 * ifcvt.c (noce_init_if_info): New static function, broken out of
18900 noce_process_if_block.
18901 (noce_process_if_block): Call noce_init_if_info.
18902 (check_cond_move_block): New static function.
18903 (cond_move_process_if_block): New static function.
18904 (process_if_block): Call cond_move_process_if_block.
18906 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18908 * cselib.c (hash_table): Rename to cselib_hash_table.
18909 (cselib_clear_table, discard_useless_values,
18910 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18911 cselib_init, cselib_finish): Adjust uses of hash_table.
18913 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18915 PR tree-optimization/25485
18916 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18917 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18918 is known to be false and true, respectively.
18920 2006-01-14 Richard Guenther <rguenther@suse.de>
18922 PR tree-optimization/22548
18923 PR tree-optimization/22555
18924 PR tree-optimization/22501
18925 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18926 * params.def (salias-max-array-elements): New parameter.
18927 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18928 * doc/invoke.texi (salias-max-array-elements): Document.
18929 * tree-flow-inline.h (var_can_have_subvars): We also handle
18931 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18933 * tree-ssa-structalias.c (params.h): Include.
18934 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18935 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18936 (get_constraint_for): For ADDR_EXPR operating on something
18937 containing an ARRAY_REF, add all subvars to the solution.
18938 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18939 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18940 for creating MUST_DEFs.
18941 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18943 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18945 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
18947 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
18948 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
18949 number_of_iterations_le): New functions.
18950 (number_of_iterations_special): Removed.
18951 (number_of_iterations_exit): Do not use number_of_iterations_special.
18952 * tree.c (unsigned_type_for): Always return integer type.
18954 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
18955 Richard Guenther <rguenther@suse.de>
18957 PR rtl-optimization/24257
18958 * gcse.c (find_moveable_store): Only consider a store movable
18959 when the SET_SRC of the insn can be assigned to a register.
18961 2006-01-14 Ian Lance Taylor <ian@airs.com>
18963 * tree.c (tree_not_class_check_failed): New function.
18964 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
18965 (tree_not_class_check_failed): Declare.
18967 2006-01-13 Ian Lance Taylor <ian@airs.com>
18969 * reload1.c (do_output_reload): Add assertion rejecting a
18972 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
18974 * combine.c (struct reg_stat): Add new fields truncation_label and
18976 (record_value_for_reg): Reset truncated_to_mode.
18977 (record_truncated_value): New function.
18978 (check_promoted_subreg): Call it. Rename to check_conversions.
18979 (combine_instructions): Rename check_promoted_subreg to
18981 (reg_truncated_to_mode): New function.
18982 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
18983 (gen_lowpart_or_truncate): New function.
18984 (force_to_mode): Use it instead of gen_lowpart.
18986 2006-01-13 Diego Novillo <dnovillo@redhat.com>
18988 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
18989 VAR is a tag, not its type tag.
18991 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
18993 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
18994 alternatives to match style of other entries.
18995 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
18997 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
18999 PR tree-optimization/25771
19000 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19003 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19006 * tree-inline.c (declare_return_variable): If the return variable
19007 was marked as a non gimple complex, set the return slot variable
19008 to be a non gimple comple variable.
19010 2006-01-13 Richard Guenther <rguenther@suse.de>
19012 * builtins.c (expand_builtin_sincos): New function.
19013 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19015 (expand_builtin): Expand sincos using expand_builtin_sincos.
19017 2006-01-12 DJ Delorie <dj@redhat.com>
19019 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19020 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19021 so that constant shifts can be split.
19022 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19023 (m32c_valid_pointer_mode): Make static.
19024 (shift_gen_func_for): New.
19025 (m32c_prepare_shift): Use it. Split large const shifts into
19027 * config/m32c/predicates.md (shiftcount_operand): Allow more
19029 (longshiftcount_operand): New.
19030 * doc/md.texi (Machine Constraints): Document In6.
19032 2006-01-13 Ben Elliston <bje@au.ibm.com>
19034 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19035 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19038 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19040 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19041 to try to avoid clobbering pieces of structures when we know
19042 something about the whole structure.
19043 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19045 2006-01-13 Ben Elliston <bje@au.ibm.com>
19047 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19048 return in memory, as this is no limitation is no longer present.
19050 2006-01-12 DJ Delorie <dj@redhat.com>
19052 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19053 mova with fb, and for fb+0 -> An.
19055 * config/m32c/mov.md (peephole2): Fix enabling logic.
19057 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19058 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19059 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19060 FINI_ARRAY_SECTION_ASM_OP): Define.
19062 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19064 (m32c_legitimize_reload_address): New logic to reload FB to An.
19065 (m32c_output_reg_push): Add newline.
19066 (m32c_output_reg_pop): Likewise.
19068 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19070 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19072 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19074 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19076 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19078 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19081 2006-01-11 Ben Elliston <bje@au.ibm.com>
19083 * rtlanal.c (find_reg_note): Assert insn is not null.
19085 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19087 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19090 2006-01-11 Jeff Law <law@redhat.com>
19092 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19094 (mark_threaded_blocks, register_jump_thread): New functions.
19095 (thread_through_all_blocks): Remove unwanted argument. No
19096 longer rely on e->aux to communicate thread target info.
19097 Call mark_threaded_blocks. Release the threaded_blocks
19098 bitmap and threaded_edges vector when complete.
19099 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19100 (threaded_blocks): Remove.
19101 (tree_ssa_dominator_optimize): Remove initialization and
19102 finalization of threaded_blocks. Simplify call to
19103 thread_through_all_blocks.
19104 (thread_across_edge): Call register_jump_thread rather than
19105 storing thread information into e->aux.
19106 (free_all_edge_infos): Simplify now that e->aux is no longer
19107 used to communicate with thread_through_all_blocks.
19108 * tree-flow.h (thread_through_all_blocks): Update prototype.
19109 (register_jump_thread): Prototype.
19111 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19113 * df-core.c (df_compact_blocks, df_bb_replace): Use
19114 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19116 2006-01-11 Richard Guenther <rguenther@suse.de>
19118 PR tree-optimization/25734
19119 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19120 stop propagation after successful propagation to the LHS.
19122 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19124 * basic-block.h (control_flow_graph): Change the type of
19125 x_basic_block_info to VEC(basic_block,gc) *.
19126 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19128 (SET_BASIC_BLOCK): New.
19129 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19130 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19131 * cfgbuild.c (find_basic_blocks): Likewise.
19132 * cfglayout.c (fixup_reorder_chain): Likewise.
19133 * cfgrtl.c (create_basic_block_structure,
19134 rtl_create_basic_block): Likewise.
19135 * ifcvt.c (find_if_case_1): Likewise.
19136 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19139 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19141 * Makefile.in: Removed rotted odf.c entry.
19143 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19146 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19147 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19148 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19149 output pattern modifier, not %e.
19150 * config/cris/cris.c (cris_op_str): Update comment about pattern
19152 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19153 before falling through into...
19154 <case 'E'>: Redefined from old 'e' case.
19156 2006-01-11 Jan Hubicka <jh@suse.cz>
19159 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19161 2006-01-11 Jan Hubicka <jh@suse.cz>
19163 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19164 * i386.c (x86_decompose_lea): Kill.
19165 (ix86_rtx_costs): Kill.
19167 2006-01-11 Jan Hubicka <jh@suse.cz>
19169 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19170 * cgraph.h (cgraph_node): Add inline_decl.
19171 (cgraph_insert_node_to_hashtable): Declare.
19172 (save_inline_function_body): Declare.
19173 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19175 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19176 (cgraph_function_versioning): Update call of tree_function_versioning.
19177 (save_inline_function_body): New function.
19178 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19179 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19180 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19181 (cgraph_default_inline_p): Likewise.
19182 (cgraph_decide_inlining_incrementally): Likewise.
19183 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19184 (copy_bb): Kill saving; do updating of clones.
19185 (copy_cfg_body): Kill saving.
19186 (initialize_inlined-parameters): Likewise.
19187 (expand_call_inline): Likewise.
19189 (tree_function_versioning): New parameter "update_clones".
19190 (inlining_p): Kill saving.
19191 * tree-inline.h (tree_function_versioning): Update prototype.
19192 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19195 2006-01-11 Ian Lance Taylor <ian@airs.com>
19197 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19198 Allow undoing set of machine mode.
19199 (do_SUBST): Use enums instead of is_int.
19200 (do_SUBST_MODE): New function.
19201 (SUBST_MODE): New macro.
19202 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19203 reg and trying to replace reg_regno_rtx with a new register.
19204 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19205 (simplify_set): Use SUBST_MODE.
19206 (distribute_notes): Remove code that tried to update reg notes
19207 for regno_reg_rtx changes.
19209 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19211 PR tree-optimization/23109
19212 PR tree-optimization/23948
19213 PR tree-optimization/24123
19215 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19216 * tree-cfg.c (single_noncomplex_succ): New.
19217 * tree-flow.h (single_noncomplex_succ): Declare it.
19218 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19219 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19220 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19221 insert_bb, register_division_in, insert_reciprocals,
19222 replace_reciprocal, free_bb): New.
19223 (execute_cse_reciprocals_1): Rewritten.
19224 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19225 Do not commit any edge insertion. Always compute dominators and
19226 create the allocation pool.
19227 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19228 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19229 * targhooks.c (default_min_divistions_for_recip_mul): New.
19230 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19231 * passes.c (init_optimization_passes): Run recip after tree loop
19233 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19235 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19236 Kenneth Zadeck <zadeck@naturalbridge.com>
19238 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19239 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19240 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19241 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19242 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19243 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19244 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19245 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19246 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19247 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19248 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19249 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19250 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19251 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19252 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19253 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19254 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19255 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19256 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19257 DF_SCAN_POST_ALLOC): New macros.
19258 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19259 df_free_bb_function, df_local_compute_function, df_init_function,
19260 df_dataflow_function, df_confluence_function_0,
19261 df_confluence_function_n, df_transfer_function,
19262 df_finalizer_function, df_free_function, df_dump_problem_function,
19263 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19264 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19265 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19266 df_urec_bb_info, ) New types.
19267 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19269 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19270 df_analyze_simple_change_some_blocks,
19271 df_analyze_simple_change_one_block, df_compact_blocks,
19272 df_bb_replace, df_bb_regno_last_use_find,
19273 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19274 df_insn_regno_def_p, df_find_def, df_find_use,
19275 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19276 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19277 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19278 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19279 debug_df_chain, df_get_dependent_problem, df_chain_create,
19280 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19281 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19282 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19283 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19284 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19285 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19286 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19287 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19288 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19289 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19290 df_reorganize_refs, df_set_state, df_hard_reg_init,
19291 df_read_modify_subreg_p) New public functions.
19292 * df-core.c: The core dataflow solver and glue routines for rtl
19294 (df_init, df_add_problem, df_set_blocks, df_finish,
19295 df_hybrid_search_forward, df_hybrid_search_backward,
19296 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19297 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19298 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19299 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19300 df_reg_defined, df_find_use, df_reg_used, df_dump,
19301 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19302 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19303 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19304 debug_df_useno, reset_df_after_reload): New functions.
19305 * df-scan.c: The scanning fuctions, once in df.c, completely
19306 rewritten so that they now fully model the functionality of
19307 register usage at the backend.
19308 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19309 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19310 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19311 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19312 df_get_artificial_defs, df_get_artificial_uses,
19313 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19314 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19315 df_refs_delete, df_reorganize_refs, df_set_state,
19316 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19317 df_def_record_1, df_defs_record, df_uses_record,
19318 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19319 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19320 df_record_exit_block_uses, df_hard_reg_init): New functions.
19322 * df-problems.c: Seven concrete dataflow problems that use the
19323 scanning in df-scan.c and are solved by the engine in df-core.c.
19324 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19325 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19326 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19327 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19328 df_ru_free_bb_info, df_ru_alloc,
19329 df_ru_bb_local_compute_process_def,
19330 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19331 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19332 df_ru_transfer_function, df_ru_free, df_ru_dump,
19333 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19334 df_rd_free_bb_info, df_rd_alloc,
19335 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19336 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19337 df_rd_transfer_function, df_rd_free, df_rd_dump,
19338 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19339 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19340 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19341 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19342 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19343 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19344 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19345 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19346 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19347 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19348 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19349 df_urec_mark_reg_use_for_earlyclobber,
19350 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19351 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19352 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19353 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19354 df_chain_create_bb_process_use, df_chain_create_bb,
19355 df_chain_finalize, df_chain_free, df_chains_dump,
19356 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19357 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19358 df_reg_lifetime): New functions.
19359 * df.c: Deleted file.
19360 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19361 consistent with new df api.
19362 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19363 rest_of_handle_sms): Ditto.
19364 * web.c (unionfind_union, union_defs, entry_register, web_main):
19366 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19367 invariant_expr_equal_p, find_defs, check_dependencies,
19368 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19369 free_inv_motion_data, move_loop_invariants): Ditto.
19370 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19371 Update dependencies.
19372 (odf.c): Added defective entry that was deleted later in day.
19373 * sched-deps.c (sched_analyze_1): Ditto.
19375 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19377 * tree-ssa-operands.c (get_expr_operands): Record addressable
19378 variables directly. Do not call add_stmt_operands for CONST_DECLs
19380 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19381 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19383 2006-01-11 Ben Elliston <bje@au.ibm.com>
19385 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19386 function returns true in the positive case.
19388 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19391 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19392 for SI, DI, SF and DF modes. Add alternatives to copy between
19393 general and floating point registers to the 32-bit patterns.
19394 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19395 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19396 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19397 generating 64-bit code.
19398 * config/pa/pa.c (output_move_double): Handle copies between general
19399 and floating registers.
19401 2006-01-10 Stuart Hastings <stuart@apple.com>
19403 * config/i386/i386.md (set_got): Update.
19404 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19405 (builtin_setjmp_receiver): Mach-O support.
19406 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19407 (GOT_SYMBOL_NAME): Define.
19408 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19409 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19410 * config/i386/i386.c (override_options): Revise for Darwin.
19411 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19412 support. (darwin_x86_file_end): New. (output_set_got): Add label
19413 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19414 * config/i386/i386-protos.h (output_set_got): Likewise.
19415 * config/darwin.c (machopic_legitimize_pic_address): Update
19418 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19420 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19421 when MODE isn't BLKmode.
19423 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19425 PR rtl-optimization/25367
19426 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19428 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19431 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19432 for a negative bound.
19434 2006-01-10 Richard Guenther <rguenther@suse.de>
19436 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19437 Never override with anything constraint.
19439 2006-01-10 Jan Beulich <jbeulich@novell.com>
19441 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19442 256 bits when optimize_size.
19444 2006-01-10 Jan Beulich <jbeulich@novell.com>
19446 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19448 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19449 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19452 2006-01-10 Ben Elliston <bje@au.ibm.com>
19454 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19456 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19457 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19458 (USE_FP_FOR_ARG): Reject decimal float modes.
19459 (function_arg_advance): Likewise.
19460 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19461 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19462 point types in AltiVec vectors.
19463 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19464 (rs6000_libcall_value): Likewise.
19466 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19468 * config/xtensa/ieee754-df.S: New file.
19469 * config/xtensa/ieee754-sf.S: New file.
19470 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19471 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19472 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19474 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19476 * config/sh/predicates.md (binary_float_operator,
19477 binary_logical_operator, commutative_float_operator,
19478 equality_comparison_operator, greater_comparison_operator,
19479 less_comparison_operator, logical_operator,
19480 noncommutative_float_operator, shift_operator,
19481 symbol_ref_operand, unary_float_operator): Remove redundant
19484 2006-01-09 Jeff Law <law@redhat.com>
19486 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19487 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19488 now unused arguments. Callers updated.
19489 (eliminate_redundant_computations): Remove now unused arguments,
19491 (local_fold): Remove, no longer used.
19492 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19494 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19495 (simplify_cond): New function.
19496 (forward_propagate_into_cond): Call simplify_cond.
19498 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19500 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19501 (*vec_extractv2di_1_sse): New.
19503 2006-01-09 Ben Elliston <bje@au.ibm.com>
19505 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19507 2006-01-08 Richard Guenther <rguenther@suse.de>
19509 * tree-ssa-structalias.c (get_constraint_for): Remove
19510 anyoffset argument.
19511 (get_constraint_for_component_ref): Likewise.
19512 (do_deref): Likewise.
19513 (get_constraint_for): Likewise.
19514 (do_structure_copy): Likewise.
19515 (handle_ptr_arith): Likewise.
19516 (find_func_aliases): Likewise. Remove unused need_anyoffset
19519 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19520 Kaz Kojima <kkojima@gcc.gnu.org>
19522 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19523 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19524 (EXTRA_CONSTRAINT_C16): Remove.
19525 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19526 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19527 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19528 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19529 constants of SHmedia. Handle nested constant expressions of
19531 (andcosts): Fix the costs for SHmedia constants.
19532 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19533 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19534 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19535 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19536 (movv4hi_i, movv2si_i): Likewise.
19537 (movsi_const): Adjust the second operand of ior so to match with
19538 the Csu constraint.
19539 (movdi_const, movdi_const_32bit): Likewise.
19540 (movdi_const_16bit+1): Don't sign-extend LOW.
19541 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19543 (*double_shori): Fix the split condition. Use GEN_INT instead
19544 of get_int_mode calls. Mask lower 16-bit of the argument of
19546 (sym2GOTPLT): Remove.
19547 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19549 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19550 instead of EXTRA_CONSTRAINT_C16.
19552 2006-01-07 Ian Lance Taylor <ian@airs.com>
19553 David Edelsohn <edelsohn@gnu.org>
19555 PR rtl-optimization/25662
19556 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19557 for constant operands instead of simplify_gen_binary.
19558 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19559 after trying simplify_binary_operation
19561 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19563 * tree.c (iterative_hash_expr): Hash decls based on UID.
19565 2006-01-06 Eric Christopher <echristo@apple.com>
19567 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19568 (TARGET_UNWIND_EMIT): Fix spelling.
19569 * target.h (gcc_target): Add except_table_label.
19570 * except.c (output_function_exception_table): Use.
19571 * varasm.c (default_emit_except_table_label): New.
19572 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19574 (asm_out): Add here.
19575 * output.h (default_emit_except_table_label): Prototype.
19576 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19577 * config/darwin.c (darwin_emit_except_table_label): Define.
19578 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19580 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19582 PR tree-optimization/18527
19583 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19584 number_of_iterations_special, number_of_iterations_exit):
19585 Move base and step of an iv to a single structure. Add
19586 no_overflow flag, and use it in # of iterations analysis.
19587 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19588 folded_casts argument.
19589 (simple_iv): Pass base and step in a structure. Set no_overflow
19591 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19592 Evaluate expensiveness of computing # of iterations instead of
19593 the final expression.
19594 * tree-scalar-evolution.h (affine_iv): New structure.
19595 (simple_iv): Declaration changed.
19596 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19597 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19598 find_givs_in_stmt): Changed due to simple_iv change.
19600 2006-01-06 Jeff Law <law@redhat.com>
19603 * tree-cfg.c (bsi_replace): Rename final argument from
19604 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19605 change (stmt -> orig_stmt).
19606 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19607 (bsi_remove): Add new argument. Remove EH information
19609 (verify_eh_throw_table_statements): New function.
19610 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19612 * tree-optimize.c (execute_free_cfg_annotations): Verify
19613 the EH throw statement table after removing annotations.
19614 * except.h (verify_eh_throw_table_statements): Prototype.
19615 * tree-flow.h (bsi_remove): Update prototype.
19616 * tree-vrp.c (remove_range_assertions): Add new argument to
19618 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19619 * tree-complex.c (expand_complex_div_wide): Likewise.
19620 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19621 * tree-tailcall.c (eliminate_tailcall): Likewise.
19622 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19623 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19624 * tree-nrv.c (tree_nrv): Likewise.
19625 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19626 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19627 (combine_blocks): Likewise.
19628 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19629 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19630 (cleanup_control_flow): Likewise.
19631 (remove_forwarder_block): Likewise.
19632 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19633 * tree-sra.c (sra_replace): Likewise.
19634 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19635 (forward_propagate_single_use_vars): Likewise.
19636 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19637 * tree-inline.c (expand_call_inline): Likewise.
19638 * tree-vect-transform.c (vect_transform_loop): Likewise.
19639 * tree-outof-ssa.c (rewrite_trees): Likewise.
19640 * tree-cfg.c (make_goto_expr_edges): Likewise.
19641 (cleanup_dead_labels): Likewise.
19642 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19643 (bsi_move_before, bsi_move_after): Likewise.
19644 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19645 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19647 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19650 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19652 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19653 on non gimple variables. Also add checks at the top for decls and
19655 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19657 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19658 and IMAGPART_EXPR for creating MUST_DEFs.
19659 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19660 and NAME_MEMORY_TAG separately from the DECLs.
19662 2006-01-06 Richard Guenther <rguenther@suse.de>
19664 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19665 annotation, if necessary.
19666 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19667 redundant calls to update_stmt.
19668 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19671 2006-01-05 Richard Henderson <rth@redhat.com>
19673 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19675 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19677 * c-typeck.c: Update copyright date.
19679 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19681 * c-typeck.c (build_c_cast): Always warn when casting
19682 from a pointer to an integer of different size, even if
19683 the node was constant.
19685 2006-01-05 Richard Guenther <rguenther@suse.de>
19687 PR tree-optimization/22555
19688 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19689 if one structure field is an array.
19690 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19691 operands even if we found a subvar, but ignore VOPs in this
19693 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19695 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19697 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19699 PR middle-end/24998
19700 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19702 2006-01-05 Richard Guenther <rguenther@suse.de>
19703 Diego Novillo <dnovillo@redhat.com>
19705 * tree-pass.h (TODO_remove_unused_locals): Define.
19706 * gimple-low.c (expand_var_p, remove_useless_vars,
19707 pass_remove_useless_vars): Remove. Update all users.
19708 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19709 (remove_unused_locals): New function.
19710 * tree-flow.h (remove_unused_locals): Declare.
19711 * passes.c (execute_todo): Call remove_unused_locals if
19712 TODO_remove_unused_locals is set.
19713 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19714 * tree-ssa-dce.c (pass_dce): Likewise.
19715 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19717 2006-01-05 Richard Guenther <rguenther@suse.de>
19719 * tree-flow.h (struct fieldoff): Decompose field to
19720 type, size and decl.
19721 * tree-ssa-alias.c (create_sft): Take type as parameter.
19722 (create_overlap_variables_for): Store type, size and decl
19723 in the fieldoff structure.
19724 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19725 of struct fieldoff.
19726 (push_fields_onto_fieldstack): Likewise.
19727 (create_variable_info_for): Likewise. Use offset for the
19728 SFT name if the decl is not available.
19730 2006-01-04 Paul Brook <paul@codesourcery.com>
19732 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19734 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19736 * lambda-code.c (can_put_in_inner_loop): Relax
19738 (can_put_after_inner_loop): New function.
19739 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19740 (perfect_nestify): Change to make copies and modify uses.
19742 2006-01-04 Richard Henderson <rth@redhat.com>
19744 Merge from gomp branch:
19745 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19746 via integer constant.
19747 (pragma_lex): Remove.
19748 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19749 rather than parsing it.
19750 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19751 handle_pragma_extern_prefix): Add %< %> quotes.
19752 (registered_pragmas): New.
19753 (c_register_pragma_1): New.
19754 (c_register_pragma): Use it.
19755 (c_register_pragma_with_expansion): Likewise.
19756 (c_invoke_pragma_handler): New.
19757 (init_pragma): Use cpp_register_deferred_pragma directly for
19759 * c-pragma.h (enum pragma_kind): New.
19760 (pragma_handler): New.
19761 (c_invoke_pragma_handler): Declare.
19762 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19764 * c-common.h (c_common_pch_pragma): Update decl.
19765 * Makefile.in (c-parser.o): Update dependencies.
19766 (GTFILES): Add c-pragma.h.
19767 * c-parser.c (struct c_token): Add pragma_kind.
19768 (struct c_parser): Add in_pragma.
19769 (c_lex_one_token): Always initialize keyword and pragma_kind.
19770 Extract data for CPP_PRAGMA.
19771 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19772 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19773 Don't allow CPP_PRAGMA_EOL if in_pragma.
19774 (c_parser_consume_pragma): New.
19775 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19776 (c_parser_skip_to_end_of_parameter): Likewise.
19777 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19778 (c_parser_skip_to_pragma_eol): New.
19779 (c_parser_external_declaration): Handle CPP_PRAGMA.
19780 (c_parser_compound_statement_nostart): Likewise.
19781 (c_parser_statement_after_labels): Likewise.
19782 (c_parser_pragma): New.
19783 (pragma_lex): Likewise.
19784 (c_parser_pragma_pch_preprocess): New.
19785 (c_parser_new): Merge into ...
19786 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19788 2006-01-04 Jeff Law <law@redhat.com>
19791 * tree-cfg.c (bsi_replace): Remove the original statement
19792 from the EH throw statement table.
19794 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19796 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19797 make the prototype extern "C" and add throw ().
19800 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19801 and pos non-negative and pos + len <= 32.
19802 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19803 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19804 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19807 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19808 as well as sizes not multiple of component size.
19811 * function.c (instantiate_expr): New function.
19812 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19813 walk its DECL_VALUE_EXPR with instantiate_expr.
19815 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19816 DW_OP_deref{,_size} if address isn't going to be added.
19818 2006-01-04 Ben Elliston <bje@au.ibm.com>
19820 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19821 * config/fp-bit.c: Likewise.
19823 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19825 * dominance.c: Add comment about why we use DFS numbering
19828 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19829 Richard Henderson <rth@redhat.com>
19831 Merge from gomp-branch:
19832 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19833 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19835 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19837 PR rtl-optimization/25578
19838 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19839 pass a parameter to simplify_shift_const if changing ASHIFTRT
19842 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19844 * builtins.c (get_builtin_sync_mem): New function.
19845 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19846 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19847 Call get_builtin_sync_mem to generate mem rtx.
19849 2006-01-03 Richard Guenther <rguenther@suse.de>
19852 * stmt.c (add_case_node): Make sure to clear overflow flags
19855 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19857 Merge from gomp-branch.
19858 * config/sparc/sync.md: New file.
19859 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19860 UNSPECV_LDSTUB): New constants.
19861 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19862 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19863 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19866 2006-01-03 Roger Sayle <roger@eyesopen.com>
19868 * combine.c (reg_subword_p): New predicate to test whether the
19869 destination of a set refers to a subword/piece of a register.
19870 (try_combine): Generalize the code to merge the setting of a
19871 pseudo to a constant followed by a set of a subword of that
19872 register to a constant.
19874 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19876 * basic-block.h (control_flow_graph): Change the type of
19877 x_label_to_block_map to VEC(basic_block,gc) *.
19878 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19879 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19881 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19882 VEC(basic_block,heap) *.
19883 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19884 ssa_prop_fini): Adjust the uses of cfg_blocks.
19886 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19888 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19890 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19891 hashing trees instead of a pointer hash.
19892 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19893 compare for MEM_EXPR.
19895 PR rtl-optimization/25130
19896 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19897 when comparing MEMs for GCSE
19899 2006-01-03 Ben Elliston <bje@au.ibm.com>
19901 * targhooks.h (default_decimal_float_supported_p): Declare.
19902 * targhooks.c (default_decimal_float_supported_p): Define.
19903 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19904 `default_decimal_float_supported_p'.
19905 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19907 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19909 * combine.c (apply_distributive_law <SUBREG>): Check
19910 TRULY_NOOP_TRUNCATION.
19912 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19914 * dwarf2out.c (have_switched_text_section): Delete.
19915 (have_multiple_function_sections): New.
19916 (have_location_lists): Make 'bool'.
19917 (add_AT_loc_list): Use 'true' not '1'.
19918 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19919 (output_loc_list): Use have_multiple_function_sections.
19920 (output_ranges): Likewise.
19921 (dwarf2out_begin_function): Set have_multiple_function_sections if
19923 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19924 Check function_section rather than DECL_SECTION_NAME.
19925 (dwarf2out_finish): Use have_multiple_function_sections.
19926 Don't clear have_location_lists.
19928 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19929 Jan Hubicka <jh@suse.cz>
19931 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19932 case of conditional jump jumping to the next instruction.
19933 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19934 cases of conditional jump jumping to the next instruction.
19936 2006-01-02 Jan Hubicka <jh@suse.cz>
19938 * i386.c (*_cost): Add COSTS_N_INSNS.
19939 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19941 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19944 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19946 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19948 * config/arm/arm.c (all_fpus): Fix comment typo.
19949 * config/darwin.c: Likewise.
19950 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
19951 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
19952 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
19954 2006-01-01 David Edelsohn <edelsohn@gnu.org>
19956 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
19957 (rs6000_split_compare_and_swapqhi): New.
19958 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
19959 (sync_compare_and_swapqhi_internal): New.
19960 * config/rs6000/rs6000-protos.h: Declare.