1 2006-11-29 Duncan Sands <baldrick@free.fr>
3 PR tree-optimization/23744
4 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
6 2006-11-29 Duncan Sands <baldrick@free.fr>
8 PR tree-optimization/23744
9 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
11 2006-11-29 Duncan Sands <baldrick@free.fr>
13 PR tree-optimization/23744
14 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
16 2006-11-29 Jie Zhang <jie.zhang@analog.com>
18 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
20 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
22 * sh.opt (minline-ic_invalidate): New option.
23 (musermode): Adjust comment.
24 * sh.c (sh_initialize_trampoline): Emit library call unless
25 is set; if it is set, don't emit library call if we can use icbi
27 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
28 icbi for TARGET_SH4_300.
29 * t-sh (LIB1ASMFUNCS_CACHE): Set.
30 * doc/invoke.texi: Document -minline-ic_invalidate; Update
31 -musermode documentation.
33 2006-11-29 Jim Tison <jtison@us.ibm.com>
35 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
36 __gthread_recursive_mutex_init): Define.
38 2006-11-29 Joseph Myers <joseph@codesourcery.com>
40 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
41 STRICT_ALIGNMENT and the type is more aligned than the saved
42 registers, copy via a temporary.
44 2006-11-28 Andrew Pinski <pinskia@gmail.com>
47 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
50 2006-11-28 Bob Wilson <bob.wilson@acm.org>
52 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
54 2006-11-28 Jan Hubicka <jh@suse.cz>
56 Privatize SSA variables into gimple_df.
58 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
59 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
60 gimple_nonlocal_all): New accessors.
61 (first_referenced_var): Update.
62 (mark_stmt_modified): Update.
63 (is_call_clobbered): Update.
64 (mark_call_clobbered): Update.
65 (clear_call_clobbered): Update.
66 (mark_non_addressable): Update.
67 * tree-vrp.c (get_value_range): Update.
68 * tree-into-ssa.c (in_ssa_p): Kill.
69 (get_default_def_for): Update.
70 (rewrite_into_ssa): Update.
71 * tree-complex.c (init_parameter_lattice_values): Update.
72 (update_complex_assignment): Update.
73 (update_parameter_components): Update.
74 (expand_complex_libcall): Update.
75 (expand_complex_operations_1): Update.
76 * tree-tailcall.c (arg_needs_copy_p): Update.
77 (add_virtual_phis): Update.
78 (tree_optimize_tail_calls_1): Update.
79 * tree-ssa-dse.c (memory_ssa_name_same): Update.
80 * tree-ssa-copyrename.c
81 (copy_rename_partition_coalesce): Update.
82 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
83 * tree-ssa-propagate.c (set_rhs): Update.
84 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
85 addressable_vars, global_var):Kill.
86 (set_initial_properties): Update.
87 (init_alias_info): Update.
88 (finalize_ref_all_pointers): Update.
89 (setup_pointers_and_addressables): Update.
90 (maybe_create_global_var): Update.
91 (create_global_var): Update.
92 (dump_points_to_info): Update.
93 * function.h (struct gimple_df): Forward declare.
94 (struct function): Add GIMPLE_DF field.
95 * gimplify.c (force_gimple_operand): Update.
96 * tree-dfa.c (referenced_vars, default_defs): KIll.
97 (make_rename_temp): Update.
98 (dump_variable): Update.
99 (referenced_var_lookup): Update.
100 (referenced_var_check_and_insert): Update.
101 (default_def): Rename to ...
102 (gimple_default_def): ... this one; accept cfun argument.
103 (set_default_def): Update.
104 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
105 (cleanup_control_flow): Update.
106 * tree-ssa-pre.c (compute_avail): Update
107 * tree-ssa-live.c (calculate_live_on_entry): Update.
108 * tree-ssa.c (verify_use): Update.
109 (verify_call_clobbering): Update.
110 (verify_call_clobbering): Update.
111 (init_tree_ssa): Update.
112 (delete_tree_ssa): Update.
113 * tree-outof-ssa.c (coalesce_ssa_name): Update.
114 (rewrite_out_of_ssa): Update.
115 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
116 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
118 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
119 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
120 addressable_vars, aliases_computed_p): Kill.
121 (default_def): Rename to...
122 (gimple_default_def): ... this one.
123 (defaule_def_fn): Kill.
124 (num_referenced_vars, ssa_names, num_ssa_names): Update.
125 * tree-ssa-structalias.c (nonlocal_all): Kill.
126 (get_constraint_exp_from_ssa_var): Update.
127 (create_nonlocal_var): Update.
128 (get_constraint_for): Update.
129 (update_alias_info): Update.
130 (find_global_initializers): Update.
131 (intra_create_variable_infos): Update.
132 (intra_create_variable_infos):
133 (find_what_p_points_to): Update.
134 (init_alias_heapvars): Update.
135 * tree-cfg.c (remove_bb): Update.
136 (gimplify_val): Update.
137 * tree-ssa-reassoc.c (get_rank): Update.
138 (init_reassoc): Update.
139 * tree-ssanames.c: Do not include gt-tree-ssanames.h
140 (ssa_names, free_ssanames): Kill.
141 (init_ssanames): Update.
142 (make_ssa_name): Update.
143 (release_ssa_name): Update.
144 (release_defs): Update.
145 (replace_ssa_name_symbol): Update.
146 * tree-ssa-operands.c (access_can_touch_variable): Update.
147 (add_virtual_operand): Update.
148 (add_call_clobber_ops): Update.
149 (add_call_read_ops): Update.
150 (get_call_expr_operands): Update.
151 (get_asm_expr_operands): Update.
153 2006-11-28 Jan Hubicka <jh@suse.cz>
155 * builtins.c: Include tree-flow.h.
156 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
157 assignment; convert memmove to memcpy for sizes greater than 1 where
158 alignment of operands prohibit the partial overlap.
160 2006-11-28 Jan Hubicka <jh@suse.cz>
162 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
163 * cgraph.c (dump_cgraph_node): Dump stack usage.
164 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
165 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
166 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
167 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
168 (cgraph_check_inline_limits): Limit stack growth.
169 * cfgexpand.c: Include tree-inline.h.
170 (account_stack_vars): New function.
171 (expand_one_var): New param to just account the stack; return estimated
173 (expand_used_vars_for_block): Update call of expand_one_var.
174 (account_used_vars_for_block): New function.
175 (estimated_stack_frame_size): Likewise.
176 (init_vars_expansion, fini_vars_expansion): Break out from..
177 (expand_used_vars): ... here.
178 * tree-inline.h (estimated_stack_frame_size): Declare.
179 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
181 2006-11-28 Richard Guenther <rguenther@suse.de>
183 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
184 unsigned long for printing OBJECT_SIZE.
186 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
188 * alias.c (init_alias_analysis): Remove simplification loop
189 after propagating pointers.
191 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
193 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
196 2006-11-27 Bob Wilson <bob.wilson@acm.org>
198 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
200 2006-11-27 Roger Sayle <roger@eyesopen.com>
201 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
203 * c-common.c (constant_fits_type_p): Delete.
204 (unsigned_conversion_warning): Delete.
205 (conversion_warning): Integrate Wconversion warning from
206 unsigned_conversion_warning.
207 (convert_and_check): Integrate Woverflow warning from
208 unsigned_conversion_warning. Reorganize and simplify to avoid
209 dependence upon the middle-end setting TREE_OVERFLOW on integral
210 conversions, by using int_fits_type_p directly.
212 2006-11-27 Tobias Burnus <burnus@net-b.de>
214 * doc/invoke.texi: Fixed typo.
216 2006-11-27 Michael Matz <matz@suse.de>
217 Andreas Krebbel <krebbel1@de.ibm.com>
220 * config/s390/predicates.md (larl_operand): Check addend of larl
221 operand to be in range of -/+2GB.
222 * config/s390/s390.c (legitimize_pic_address): Likewise.
223 Changed type of variable even to HOST_WIDE_INT.
225 2006-11-27 Jan Hubicka <jh@suse.cz>
227 * expr.c (emit_block_move_via_libcall): Export.
228 (clear_storage_via_libcall): Rename to ...
229 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
230 (clear_storage): Update to set_storage_via_libcall.
231 * expr.h (emit_block_move_via_libcall): Declare
232 * config/i386/i386.h (stringop_alg): New enum.
233 (MAX_STRINGOP_ALGS): New constant.
234 (stringop_algs): New struct.
235 (processor_costs): Add memcpy/memset descriptors.
236 (TARGET_REP_MOVEL_OPTIMAL): Remove.
237 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
238 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
240 * config/i386/i386.opt (minline-stringops-dynamically,
241 mstringop-strategy): New
243 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
244 (ix86_expand-clrmem): Rename to ...
245 (ix86_expand_setmem): ... this one; update prototype.
246 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
247 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
248 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
249 nocona_cost, core2_cost, generic_cost, generic64_cost,
250 generic32_cost): Add memcpy/memset descriptors.
251 (x86_rep_movl_optimal): Remove.
252 (stringop_alg): New static variable.
253 (ix86_expand_aligntest): Handle predictions.
254 (override_options): Add strgop_alg handling.
255 (predict_jump): New function.
256 (scale_counter): New function.
257 (expand_set_or_movmem_via_loop): New function.
258 (expand_movmem_via_rep_mov): New function.
259 (expand_setmem_via_rep_stots): New function.
260 (emit_strmov): New function.
261 (expand_movmem_epilogue): New function.
262 (expand_setmem_epilogue_via_loop): New function.
263 (expand_setmem_epilogue): New function.
264 (expand_movmem_prologue): New function.
265 (expand_setmem_prologue): New function.
266 (decide_alg): New function.
267 (decide_alignment): New function.
268 (ix86_exand_movmem): Rewrite.
269 (promote_duplicated_reg): New function.
270 (ix86_expand_clrmem): Rename to ...
271 (ix86_expand_setmem): ... this one. Rewrite.
273 * invoke.texi (minline-stringops-dynamically): New command line option.
274 (mstringop-strategy): Likewise.
276 2006-11-27 Jan Hubicka <jh@suse.cz>
278 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
279 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
280 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
281 * insn-notes.def (FUNCTION_END): Remove.
282 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
283 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
285 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
286 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
287 * cfglayout.c (duplicate_insn_chain): Don't worry about
290 2006-11-27 Richard Guenther <rguenther@suse.de>
291 Zdenek Dvorak <dvorakz@suse.cz>
293 * target.h (struct gcc_target): Add builtin_vectorized_function
295 * target-def.h (TARGET_VECTORIZE): Likewise.
296 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
297 Document new target hook.
298 * targhooks.h (default_builtin_vectorized_function): Declare.
299 * targhooks.c (default_builtin_vectorized_function): Define.
300 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
301 (vectorizable_call): Declare.
302 * tree-vect-analyze.c (vect_analyze_operations): Call
304 * tree-vect-transform.c (vectorizable_function): New static function.
305 (build_vectorized_function_call): Likewise.
306 (vectorizable_call): New function.
307 (vect_transform_stmt): Handle vectorizable calls.
309 2006-11-27 Richard Guenther <rguenther@suse.de>
312 * builtins.c (expand_builtin_pow): Optimize non integer valued
313 constant exponents using sqrt or cbrt if possible. Always fall back
314 to expanding via optabs.
316 2006-11-27 Ira Rosen <irar@il.ibm.com>
318 PR tree-optimization/22372
319 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
320 the type of the base address.
321 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
322 it in the data-ref pointer creation.
323 (vect_init_vector): Add an argument, type of the init vector. Use it in
325 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
326 (get_initial_def_for_reduction): Likewise.
327 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
329 (vectorizable_assignment, vect_permute_store_chain): Likewise.
330 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
331 correct type in stmt creation.
332 (vect_setup_realignment): Use the correct type in stmt creation.
333 (vect_permute_load_chain): Change type of MODIFY_EXPR to
335 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
336 of MODIFY_EXPR to void_type_node.
337 (vectorizable_condition): Change type of MODIFY_EXPR to
339 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
342 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
345 2006-05-08 Uros Bizjak <uros@kss-loka.si>
346 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
347 standard 80387 constants, raise the cost to prevent
348 compress_float_constant() to generate load from memory.
350 * config/i386/i386.md: Add new splitter pattern to split
351 float_extended load of constant from constant pool into
354 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
356 * doc/install.texi: Move GMP/MPFR configure options from Fortran
357 section to general section. Remove documentation for
358 --with-mpfr-dir and --with-gmp-dir, add documentation for
359 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
362 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
364 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
366 * testsuite/gcc.dg/ipa/ipa-6.c: New.
368 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
370 PR tree-optimization/29122
371 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
372 for the new version. Assign NULL to DECL_RTL of the new version.
374 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
376 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
378 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
380 * cse.c (cse_altered): Remove.
381 (record_jump_equiv): Make true/false argument a bool instead
383 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
384 where appropriate. Emit a new jump before the existing one
385 instead of after so that delete_insn_and_edges removes the
386 dead edges properly. Check any_condjump_p before calling
388 (cse_basic_block): Check any_condjump_p before calling
390 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
392 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
394 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
395 -ffixed-line-length-* options.
397 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
399 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
400 (fprem1xf4): Rename to fprem1xf4_i387.
402 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
403 Rename patterns to fmod<mode>3. Use general_operand operand
404 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
405 patterns for SSE math.
406 (remaindersf3, remainderdf3): Ditto.
408 2006-11-25 Joseph Myers <joseph@codesourcery.com>
410 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
411 inside start_sequence / end_sequence pair.
413 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
415 * jump.c (mark_all_labels): Work in cfglayout mode.
416 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
417 when in cfglayout mode, because there are no dead jumptables
419 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
421 (commit_edge_insertions): Do not allow insertion of instructions
422 with control flow insns when in cfglayout mode.
424 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
426 * tree-vrp.c (execute_vrp): Do not pass loops structure through
428 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
429 unswitch_loop): Ditto.
430 * tree-loop-linear.c (linear_transform_loops): Ditto.
431 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
432 tree_ssa_lim): Ditto.
433 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
434 free_numbers_of_iterations_estimates): Ditto.
435 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
436 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
437 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
438 remove_path, add_loop, loopify, unloop, fix_loop_placements,
439 place_new_loop, duplicate_loop, duplicate_subloops,
440 update_single_exit_for_duplicated_loops, copy_loops_to,
441 duplicate_loop_to_header_edge, create_preheaders,
442 force_single_succ_latches, loop_version, fix_loop_structure):
444 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
445 tree_unroll_loop): Ditto.
446 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
447 * tree-scalar-evolution.c (select_loops_exit_conditions,
448 scev_initialize, scev_analysis): Ditto.
449 * tree-scalar-evolution.h (scev_initialize): Ditto.
450 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
451 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
452 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
453 * modulo-sched.c (sms_schedule): Ditto.
454 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
455 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
456 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
457 * ifcvt.c (if_convert): Ditto.
458 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
459 canonicalize_loop_induction_variables,
460 canonicalize_induction_variables,
461 tree_unroll_loops_completely, remove_empty_loops): Ditto.
462 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
463 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
464 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
465 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
466 tree_ssa_loop_done): Ditto.
467 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
468 estimate_bb_frequencies): Ditto.
469 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
470 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
471 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
472 decide_unrolling_and_peeling, peel_loop_completely,
473 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
474 peel_loop_simple, unroll_loop_stupid): Ditto.
475 * loop-doloop.c (doloop_optimize_loops): Ditto.
476 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
477 * loop-invariant.c (move_loop_invariants): Ditto.
478 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
479 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
480 tree_ssa_prefetch_arrays): Ditto.
481 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
483 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
484 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
485 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
486 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
487 verify_loop_structure): Ditto.
488 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
489 canonicalize_induction_variables, tree_unroll_loops_completely,
490 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
491 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
492 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
493 tree_unroll_loop, linear_transform_loops): Declaration changed.
494 * basic-block.h: Remove declaration of struct loops.
495 * cfghooks.h (struct cfg_hooks): Change type of
496 cfg_hook_duplicate_loop_to_header_edge.
497 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
498 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
499 vect_transform_loop): Declaration changed.
500 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
501 * cfgloop.h (flow_loops_dump, fix_loop_structure,
502 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
503 cancel_loop_tree, create_preheaders, force_single_succ_latches,
504 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
505 loopify, loop_version, remove_path, unswitch_loops,
506 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
509 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
511 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
512 (X87MODEF): New mode macro.
513 (ssemodefsuffix): New mode attribute.
514 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
515 (sqrt_extend<mode>xf2_i387): New insn pattern.
516 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
517 insn and truncate result back to original mode using
518 UNSPEC_TRUNC_NOOP truncation.
519 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
520 ssemodefsuffix mode attribute.
521 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
522 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
523 (*sqrtextenddfxf2_i387): Remove insn patterns.
525 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
528 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
530 2006-11-24 Jakub Jelinek <jakub@redhat.com>
533 * c-tree.h (c_maybe_initialize_eh): New prototype.
534 * c-decl.c (finish_decl): Move EH initialization...
535 (c_maybe_initialize_eh): ... here. New function.
536 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
537 if not #pragma omp atomic.
540 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
541 or UNION_TYPE inner types.
543 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
546 * ipa-pure-const.c (check_tree): If the original tree
547 is volatile return early and say the function is not pure
548 nor const. Remove the volatile check for writes.
549 (analyze_function): Print out the result of the local
552 2006-11-24 Joseph Myers <joseph@codesourcery.com>
554 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
556 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
557 * config/rs6000/rs6000.c (rs6000_override_options): Use
558 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
561 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
563 * config/s390.c (s390_emit_compare_and_swap): New function.
564 (s390_expand_cs_hqi, s390_expand_atomic): Call
565 s390_emit_compare_and_swap.
567 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
569 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
571 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
575 * c-common.c (conversion_warning): New.
576 (convert_and_check): Call conversion_warning unless there is an
578 * doc/invoke.texi (-Wconversion): Update description.
580 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
582 * tree-ssa-alias.c (tree_pointer_compare): New function.
583 (compact_name_tags): New function.
584 (group_aliases): Call compact_name_tags.
586 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
588 * real.h (real_isinteger): Declare.
589 * real.c (real_isinteger): Define.
590 * builtins.c (integer_valued_real_p): Use it.
592 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
595 * c.opt (Wtraditional-conversion): New.
596 (Wconversion): Update description.
597 * c-typeck.c (convert_arguments): Warnings for prototypes causing
598 type conversions different from what would happen in the absence
599 of prototype are now handled by Wtraditional-conversion.
600 * doc/invoke.texi (Wtraditional-conversion): New.
601 (Wconversion): Update description.
602 * doc/trouble.texi (Wconversion): Replace Wconversion by
603 Wtraditional-conversion.
605 2006-11-23 Andrew Pinski <pinskia@gmail.com>
607 * predict.c (tree_estimate_probability): Check to make
608 sure current_loops is non null before calling flow_loops_dump.
610 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
612 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
614 2006-11-23 David Ung <davidu@mips.com>
616 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
618 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
619 (ASM_SPEC): Pass along -mfp32 and -mfp64.
620 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
621 high part of FP register when in 64-bit FP register mode. Similarly
622 use gen_mfhc1 to load high part of FP register.
623 (override_options): Allow -mgp32 and -mfp64 combination if
624 ISA_HAS_MXHC1 (currently for O32 only).
625 (mips_cannot_change_mode_class): If floating-point registers are
626 bigger than word size. disallow conversion of float register from a
627 large integer mode to a float mode smaller than the float register
629 (mips_class_max_nregs): Handle float registers case seperately.
630 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
632 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
633 (movdf_hardfloat_32bit): Similarly.
634 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
635 support a full 64-bit fpu.
636 (mthc1): New pattern to generate MTHC1 instruction.
637 (mfhc1): New pattern to generate MFHC1 instruction.
638 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
639 option for the MIPS32R2 and mention its use under O32 ABI.
641 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
643 * var-tracking.c (emit_note_insn_var_location): Take care not to
644 cause verify_flow_info failures.
646 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
648 * tree-ssa-structalias.c: Remove edge weights in favor of just
649 processing them as complex constraints.
650 (struct constraint_graph): Remove weighted succs and preds. Rename
651 nonweighted succs and preds.
652 (constraint_edge): Removed.
653 (constraint_edge_t): Ditto.
654 (constraint_edge_pool): Ditto.
655 (new_constraint_edge): Ditto.
656 (constraint_edge_equal): Ditto.
657 (constraint_edge_less): Ditto.
658 (constraint_edge_vec_find): Ditto.
659 (erase_self_graph_edge): Ditto.
660 (add_graph_edge): Removed.
661 (get_graph_weights): Ditto.
662 (allocate_graph_weights): Ditto.
663 (valid_weighted_graph_edge): Ditto
664 (bitmap_other_than_zero_bit_set): Ditto.
665 (int_add_graph_edge): Renamed to add_graph_edge.
666 (clear_edges_for_node): Remove support for weighted edges.
667 (merge_graph_nodes): Ditto.
668 (valid_graph_edge): Ditto.
669 (build_constraint_graph): Ditto.
671 (collapse_nodes): Ditto.
672 (process_unification_queue): Ditto.
674 (do_ds_constraint): Ditto.
675 (perform_var_subsitution): Ditto.
676 (solve_graph): Ditto.
677 (init_alias_vars): Ditto.
678 (delete_points_to_sets): Ditto.
679 (do_complex_constraint): Support offsetted copies here.
681 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
683 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
685 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
687 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
690 2006-11-23 Ben Elliston <bje@au.ibm.com>
692 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
694 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
696 PR tree-optimization/29921
697 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
698 signed and unsigned zero equal.
700 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
702 * config/rs6000/rs6000.c (get_store_dest): New.
703 (adjacent_mem_locations): Use get_store_dest() to get
704 the rtl of the store destination.
706 2006-11-22 Joseph Myers <joseph@codesourcery.com>
708 * config/rs6000/spe.md (SPE64): New mode macro.
709 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
711 (mov_si<mode>_e500_subreg0_2): New.
712 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
714 (mov_si<mode>_e500_subreg4_2): New.
715 * config/rs6000/predicates.md (input_operand): Do not allow
716 invalid E500 subregs.
717 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
719 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
720 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
721 involving vector modes if TARGET_SPE.
723 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
726 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
727 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
729 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
731 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
732 mem_i_address_operand): New predicates.
733 * config/bfin/bfin.c (bfin_issue_rate): New function.
734 (TARGET_SCHED_ISSUE_RATE): New macro.
735 * config/bfin/bfin.md (addrtype): New attribute.
736 (slot0, slot1, slot2, store, pregs): New cpu_units.
737 (core): Now a define_reservation.
738 (alu): Remove some insn types from this reservation.
739 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
741 (dummy reservation): Don't trigger for mcld insns.
742 (absence_sets): Two new absence sets to enforce slot ordering.
743 (popsi_insn): Set addrtype.
745 2006-11-22 Ira Rosen <irar@il.ibm.com>
747 * doc/c-tree.texi: Document new tree codes.
748 * doc/md.texi: Document new optabs.
749 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
751 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
752 * optabs.h (optab_index): Add new.
753 (vec_extract_even_optab, vec_extract_odd_optab,
754 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
755 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
756 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
758 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
759 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
760 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
761 along with macros for their access.
762 * tree-data-ref.h (first_location_in_loop, data_reference): Update
764 * tree-vect-analyze.c (toplev.h): Include.
765 (vect_determine_vectorization_factor): Fix indentation.
766 (vect_insert_into_interleaving_chain,
767 vect_update_interleaving_chain, vect_equal_offsets): New functions.
768 (vect_analyze_data_ref_dependence): Add argument for interleaving
769 check. Check for interleaving if it's true.
770 (vect_check_dependences): New function.
771 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
772 every ddr. Call vect_analyze_data_ref_dependence with new argument.
773 (vect_update_misalignment_for_peel): Update for interleaving.
774 (vect_verify_datarefs_alignment): Check only first data-ref for
776 (vect_enhance_data_refs_alignment): Update for interleaving. Check
777 only first data-ref for interleaving.
778 (vect_analyze_data_ref_access): Check interleaving, update
780 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
781 with different parameters.
782 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
783 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
784 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
785 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
786 Update step in case of interleaving.
787 (vect_strided_store_supported, vect_permute_store_chain): New
789 (vectorizable_store): Handle strided stores.
790 (vect_strided_load_supported, vect_permute_load_chain,
791 vect_transform_strided_load): New functions.
792 (vectorizable_load): Handle strided loads.
793 (vect_transform_stmt): Add argument. Handle strided stores. Check
794 that vectorized stmt exists for patterns.
795 (vect_gen_niters_for_prolog_loop): Update calculation for
797 (vect_transform_loop): Remove stmt_vec_info for strided stores after
798 whole chain vectorization.
799 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
800 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
801 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
802 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
803 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
805 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
807 * cse.c (enum taken): Remove PATH_AROUND.
808 (addr_affects_sp_p, invalidate_skipped_set,
809 invalidate_skipped_block): Remove.
810 (cse_end_of_basic_block): Remove skip_blocks and related code.
811 (cse_main): Don't test for flag_cse_skip_blocks.
812 Update cse_end_of_basic_block call.
813 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
814 code to lengthen the path if a jump was simplified.
816 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
818 PR rtl-optimization/29924
819 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
820 (unroll_loop_runtime_iterations): Assert that the argument passed to
821 split_edge_and_insert is not NULL.
822 * loop-doloop.c (add_test): Ditto.
824 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
826 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
828 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
829 * cfgloopmanip.c (update_single_exits_after_duplication,
830 update_single_exit_for_duplicated_loop, loop_version): Ditto.
831 * tree-scalar-evolution.c (get_loop_exit_condition,
832 get_exit_conditions_rec, loop_closed_phi_def,
833 number_of_iterations_in_loop, scev_const_prop): Ditto.
834 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
835 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
837 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
839 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
840 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
841 slpeel_make_loop_iterate_ntimes,
842 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
843 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
845 * tree-if-conv.c (if_convertible_loop_p): Ditto.
846 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
847 vect_analyze_loop_form): Ditto.
848 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
849 can_convert_to_perfect_nest, perfect_nestify): Ditto.
850 * tree-vect-transform.c (vect_create_epilog_for_reduction,
851 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
852 vect_transform_loop): Ditto.
853 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
854 (single_exit, set_single_exit): New functions.
855 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
856 (single_exit, set_single_exit): Declare.
857 * doc/loop.texi: Undocument single_exit field. Document single_exit
860 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
862 PR tree-optimization/29902
863 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
864 any involved ssa name appears in abnormal phi node.
866 2006-11-21 Bob Wilson <bob.wilson@acm.org>
868 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
869 (xtensa_const_ok_for_letter_p): Delete.
870 (xtensa_extra_constraint): Delete.
871 (override_options): Delete xtensa_char_to_class initialization.
872 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
873 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
874 (EXTRA_CONSTRAINT): Delete.
875 * config/xtensa/xtensa.md: Include constraints.md.
876 (call_internal): Combine alternatives.
877 (call_value_internal): Likewise, and remove invalid constraints.
878 * config/xtensa/constraints.md: New file.
879 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
880 (xtensa_extra_constraint): Delete.
881 * doc/md.texi (Machine Constraints): Refer to constraints.md for
884 2006-11-21 Janis Johnson <janis187@us.ibm.com>
886 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
887 of conversion that doesn't fit.
889 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
890 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
891 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
893 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
895 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
897 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
899 2006-11-21 Richard Guenther <rguenther@suse.de>
901 * tree-vectorizer.h (NUM_PATTERNS): Increase.
902 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
903 vect_recog_pow_pattern.
904 (vect_recog_pow_pattern): New function.
906 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
908 * config/bfin/bfin.opt (mstack-check-l1): New.
909 * doc/invoke.texi (Blackfin Options): Document it.
910 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
911 stack bounds in L1 memory if the new option is enabled.
912 (override_options): Don't allow combinations of -fstack-limit and
914 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
917 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
919 (bfin_register_move_cost): Bump costs if trying to move plain
920 integer values through accumulators.
922 2006-11-21 Ben Elliston <bje@au.ibm.com>
924 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
926 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
927 Russell Olsen <Russell_Olsen@playstation.sony.com>
928 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
929 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
930 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
931 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
932 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
934 * config.gcc: Add target for SPU.
935 * config/spu/constraints.md: New file.
936 * config/spu/crt0.c: New file.
937 * config/spu/crtend.c: New file.
938 * config/spu/crti.asm: New file.
939 * config/spu/crtn.asm: New file.
940 * config/spu/float_unsdidf.c: New file.
941 * config/spu/float_unssidf.c: New file.
942 * config/spu/predicates.md: New file.
943 * config/spu/spu-builtins.def: New file.
944 * config/spu/spu-builtins.h: New file.
945 * config/spu/spu-builtins.md: New file.
946 * config/spu/spu-c.c: New file.
947 * config/spu/spu-elf.h: New file.
948 * config/spu/spu-modes.def: New file.
949 * config/spu/spu-protos.h: New file.
950 * config/spu/spu.c: New file.
951 * config/spu/spu.h: New file.
952 * config/spu/spu.md: New file.
953 * config/spu/spu.opt: New file.
954 * config/spu/spu_internals.h: New file.
955 * config/spu/spu_intrinsics.h: New file.
956 * config/spu/spu_mfcio.h: New file.
957 * config/spu/t-spu-elf: New file.
958 * config/spu/vec_types.h: New file.
959 * config/spu/vmx2spu.h: New file.
960 * doc/contrib.texi: Document SPU contributor.
961 * doc/extend.texi: Document SPU extensions.
962 * doc/invoke.texi: Document SPU options.
963 * doc/md.texi: Document SPU constraints.
965 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
967 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
969 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
971 (flow_loop_dump): Do not dump loop level.
972 (flow_loops_find): Do not call flow_loops_level_compute.
973 * cfgloop.h (struct loop): Remove level field.
975 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
977 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
978 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
979 Use vector of edges instead of array.
980 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
981 estimate_numbers_of_iterations_loop): Ditto.
982 * predict.c (predict_loops): Ditto.
983 * loop-unroll.c (analyze_insns_in_loop): Ditto.
984 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
986 * basic-block.h: Declare heap allocation for edge vectors.
987 * tree-outof-ssa.c: Ditto.
988 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
989 * cfgloop.h (get_loop_exit_edges): Declaration changed.
991 2006-11-20 Zack Weinberg <zackw@panix.com>
993 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
994 Add another out parameter, "skip".
995 (set_gc_used_type): Adjust calls to process_gc_options. If a field
996 is tagged "skip", do not mark its type used.
998 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1001 * tree-sra.c (single_scalar_field_in_record_p): New function.
1002 (decide_block_copy): Use it.
1004 2006-11-20 David Daney <ddaney@avtrex.com>
1006 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1007 PC to point to following instruction.
1009 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1013 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1015 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1017 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1019 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1020 Add sh/superh.h to tm_file.
1022 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1023 Mark Mitchell <mark@codesourcery.com>
1025 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1027 (cpp_relocated): New function.
1028 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1030 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1031 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1032 replace configured prefix with gcc_exec_prefix.
1034 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1036 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1037 bfin_legitimate_constant_p.
1038 * config/bfin/bfin.md (movsi expander): Check return value of
1040 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1041 (expand_move): Adjust prototype.
1042 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1043 invalid constants specially.
1044 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1046 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1048 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1049 sibcall_value_symbol): Allow these patterns if
1050 TARGET_LEAF_ID_SHARED_LIBRARY.
1051 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1052 (override_options): Turn on id shared library flags if -msep-data,
1053 but disallow the combination of these options on the command line.
1054 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1055 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1056 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1057 -mid-shared-library.
1058 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1059 * doc/invoke.texi (Blackfin Options): Document new switches.
1061 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1062 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1064 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1065 inflate costs for addresses with an out-of-bounds address.
1067 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1070 * fwprop.c (loops): Remove.
1071 (forward_propagate_into): Use current_loops instead of
1073 (fwprop_init): Call loop_optimizer_init instead of
1075 (fwprop_done): Call loop_optimizer_finalize instead of
1077 (fwprop): Use current_loops instead of loops.
1079 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1082 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1084 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1087 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1088 larger than BITS_PER_WORD.
1090 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1094 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1095 to MAX_FIXED_MODE_SIZE.
1097 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1099 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1100 (fold_builtin_fmin_fmax): New.
1101 (fold_builtin_1): Use it.
1103 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1105 2006-11-18 Richard Guenther <rguenther@suse.de>
1107 * config/i386/i386.c (ix86_builtins): New array for ix86
1108 builtin function decls.
1109 (def_builtin): New function.
1110 (def_builtin_const): Likewise.
1111 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1113 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1115 * doc/invoke.texi (core2): Add item.
1117 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1119 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1120 (TARGET_CPU_DEFAULT_generic): Change value.
1121 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1122 (processor_type): Add new constant PROCESSOR_CORE2.
1124 * config/i386/i386.md (cpu): Add core2.
1126 * config/i386/i386.c (core2_cost): New initialized variable.
1127 (m_CORE2): New macro.
1128 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1129 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1130 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1131 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1132 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1133 x86_accumulate_outgoing_args, x86_prologue_using_move,
1134 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1135 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1136 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1137 x86_pad_returns): Add m_CORE2.
1138 (override_options): Add entries for Core2.
1139 (ix86_issue_rate): Add case for Core2.
1141 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1143 * doc/invoke.texi: Fix mno-isel typo.
1145 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1147 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1148 easy vector constant loads.
1150 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1152 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1153 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1154 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1155 * config/rs6000/sync.md (lwsync): Emit plain sync if
1158 2006-11-17 DJ Delorie <dj@redhat.com>
1160 * reload1.c (reloads_unique_chain): New.
1161 (reloads_conflict): Call it.
1163 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1165 * config/xtensa/predicates.md (addsubx_operand): New.
1166 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1167 (xtensa_emit_bit_branch): New.
1168 (xtensa_emit_movcc): New.
1169 * config/xtensa/xtensa.md (any_minmax): New code macro.
1170 (minmax): New code attribute.
1171 (any_cond, any_scc, any_scc_sf): New code macros.
1172 (*addx2, *addx4, *addx8): Delete.
1174 (*subx2, *subx4, *subx8): Delete.
1176 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1177 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1178 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1179 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1180 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1181 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1182 (movsfcc_internal0, movsfcc_internal1): Likewise.
1183 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1184 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1185 (xtensa_emit_bit_branch): New.
1186 (xtensa_emit_movcc): New.
1187 (function_arg_boundary): Add missing prototype.
1189 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1191 * config/xtensa/xtensa.md (tstsi): Delete
1193 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1195 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1197 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1199 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1201 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1203 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1205 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1207 * tree-vrp.c (execute_vrp): Do not update current_loops.
1208 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1209 * doc/loop.texi: Remove documentation for cancelled functions.
1210 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1211 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1213 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1214 (remove_path): Ensure that in delete_basic_blocks, the loops
1215 are still allocated.
1216 (add_loop): Work on valid loop structures.
1217 (loopify): Modify call of add_loop.
1218 (mfb_update_loops): Removed.
1219 (create_preheader): Do not update loops explicitly.
1220 (force_single_succ_latches, loop_version): Do not use
1221 loop_split_edge_with.
1222 (loop_split_edge_with): Removed.
1223 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1224 Do not use bsi_insert_on_edge_immediate_loop.
1225 (split_loop_exit_edge, tree_unroll_loop): Do not use
1226 loop_split_edge_with.
1227 (bsi_insert_on_edge_immediate_loop): Removed.
1228 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1229 use loop_split_edge_with.
1230 * cfghooks.c: Include cfgloop.h.
1231 (verify_flow_info): Verify that loop_father is filled iff current_loops
1233 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1234 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1236 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1238 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1239 loop_split_edge_with.
1240 (sms_schedule): Use current_loops.
1241 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1242 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1244 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1245 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1246 * ifcvt.c (if_convert): Ditto.
1247 * predict.c (predict_loops): Do not clear current_loops.
1248 (tree_estimate_probability): Use current_loops.
1249 (propagate_freq): Receive head of the region to propagate instead of
1251 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1252 (estimate_loops): New function. Handle case current_loops == NULL.
1253 (estimate_bb_frequencies): Do not allocate tovisit. Use
1255 * tree-ssa-loop.c (current_loops): Removed.
1256 (tree_loop_optimizer_init): Do not return loops.
1257 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1258 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1259 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1260 Do not update loops explicitly.
1261 * function.h (struct function): Add x_current_loops field.
1262 (current_loops): New macro.
1263 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1264 * loop-unroll.c (split_edge_and_insert): New function.
1265 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1266 use loop_split_edge_with.
1267 * loop-doloop.c (add_test, doloop_modify): Ditto.
1268 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1269 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1270 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1271 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1273 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1274 (flow_loops_free): Do not free dfs_order and rc_order.
1275 (flow_loops_find): Do not set dfs_order and rc_order in loops
1276 structure. Do not call loops and flow info verification.
1277 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1278 already belongs to some loop.
1279 * cfgloop.h (struct loops): Remove struct cfg.
1280 (current_loops, loop_split_edge_with): Declaration removed.
1281 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1282 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1283 Declaration removed.
1284 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1285 * basic-block.h (split_edge_and_insert): Declare.
1286 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1288 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1290 PR tree-optimization/29801
1291 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1292 (get_default_value): Use get_symbol_constant_value.
1293 (set_lattice_value): ICE when the value of the constant is
1295 (visit_assignment): Ignore VDEFs of read-only variables.
1297 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1299 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1301 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1302 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1304 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1306 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1307 select subvars of var.
1309 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1312 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1313 optimize if DEF doesn't have integral type.
1315 2006-11-16 Mike Stump <mrs@apple.com>
1317 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1318 pre-darwin9 system, unless the user asks for it directly.
1319 (PREFERRED_DEBUGGING_TYPE): Likewise.
1320 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1321 * config.gcc: Add suppport for darwin9.h.
1322 * config/darwin9.h: Add.
1323 * doc/install.texi (Specific): Clarify darwin documentation.
1325 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1327 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1328 optimizing for size.
1330 2006-11-16 Mike Stump <mrs@apple.com>
1332 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1334 2006-11-16 Dirk Mueller <dmueller@suse.de>
1336 * tree-vrp.c (get_value_range): Use XCNEW instead
1338 (insert_range_assertions): Use XCNEWVEC instead
1339 of XNEWVEC and memset.
1340 (vrp_initialize): Same.
1341 (vrp_finalize): Same.
1342 * tree-ssa-ccp.c (ccp_initialize): Same.
1343 * predict.c (tree_bb_level_predictions): Same.
1344 * calls.c (expand_call): Same.
1345 * tree-ssa-copy.c (init_copy_prop): Same.
1346 (fini_copy_prop): Same.
1347 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1348 of GGC_NEW and memset.
1350 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1353 * gimplify.c (gimplify_expr): Only force a load for references to
1354 non-BLKmode volatile values.
1355 * doc/implement-c.texi (Qualifiers implementation): Document the
1356 interpretation of what a volatile access is.
1357 * doc/extend.texi (C++ Extensions): Rework same documentation.
1359 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1361 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1364 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1366 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1368 (arm_neg_abssi2): Renamed from neg_abssi2.
1369 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1371 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1373 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1374 number of arguments passed to local functions in SSE registers is 3.
1376 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1377 number of arguments passed in SSE registers to 3.
1379 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1382 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1384 (get_last_bb_insn): ... new global function.
1385 (basic_block.h): Declare it.
1386 * haifa-sched.c (create_recovery_block): Use it.
1388 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1391 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1393 2006-11-15 Paul Brook <paul@codesourcery.com>
1395 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1396 _Unwind_GetTextRelBase): Move from here ...
1397 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1398 _Unwind_GetTextRelBase): ... To here.
1400 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1402 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1403 addresses we generate for testing are aligned.
1405 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1408 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1409 to what is the const decl is a place holder for.
1411 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1413 * config/i386/i386.opt: New target option -mx87regparm.
1415 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1416 and float_in_x87 variables. mmx_words, sse_words: Remove.
1417 (X87_REGPARM_MAX): Define.
1419 * config/i386/i386.c (override_options): Error out for
1420 -mx87regparm but no 80387 support.
1421 (ix86_attribute_table): Add x87regparm.
1422 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1423 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1424 (ix86_function_x87regparm): New function.
1425 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1427 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1429 (function_arg_advance): Process x87_nregs and x87_regno when
1430 floating point argument is to be passed in 80387 register.
1431 (function_arg): Pass XFmode arguments in 80387 registers for local
1432 functions. Pass SFmode and DFmode arguments to local functions
1433 in 80387 registers when flag_unsafe_math_optimizations is set.
1435 * reg-stack.c (convert_regs_entry): Disable NaN load for
1436 stack registers that are used for argument passing.
1438 * doc/extend.texi: Document x87regparm function attribute.
1439 * doc/invoke.texi: Document -mx87regparm.
1441 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1443 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1444 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1445 arg MODE; all callers changed. Use it to determine validity per
1446 machine mode instead of using Pmode for all memory references.
1447 (get_address_cost): Likewise add and use new arg MEM_MODE.
1449 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1450 J"orn Rennecke <joern.rennecke@st.com>
1452 * combine.c (likely_spilled_retval_1): Fix masking operation.
1453 (likely_spilled_retval_p): Use proper pattern for call to
1454 likely_spilled_retval_1.
1456 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1458 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1460 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1461 that tests for CONSTANT_POOL_ADDRESS_P.
1463 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1465 PR tree-optimization/29581
1466 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1467 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1468 type is different between Y and USE, create a temporary
1469 variable, initialize it at the beginning of the body bb
1470 and use it as replacement instead of Y.
1472 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1475 * gimplify.c (fold_indirect_ref_rhs): Use
1476 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1478 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1480 * expmed.c (emit_store_flag_1): New function.
1481 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1483 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1484 Use do_compare_rtx_and_jump.
1485 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1486 * arm.md (cstoresi4): New define_expand.
1487 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1488 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1489 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1491 2006-11-14 Caroline Tice <ctice@apple.com>
1493 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1494 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1496 (pubname_table): Redefine as a vector.
1497 (pubtype_table): New static global variable, defined as a vector.
1498 (pubname_table_allocated): Remove static global variable.
1499 (pubname_table_in_use): Remove static global variable.
1500 (PUBNAME_TABLE_INCREMENT): Remove constant.
1501 (size_of_pubnames): Add parameter to deal with either pubnames or
1502 pubtypes, and change code to deal with table being a vector.
1503 (add_pubname): Change to deal with table being a vector.
1504 (add_pubtype): New function.
1505 (output_pubnames): Add parameter to deal with either pubnames or
1506 pubtypes, and change code to deal with table being a vector.
1507 (gen_array_type_die): Add call to add_pubtype.
1508 (gen_enumeration_type_die): Add call to add_pubtype.
1509 (gen_struct_or_union_type_die): Add call to add_pubtype.
1510 (gen_subroutine_type_die): Add call to add_pubtype.
1511 (gen_typedef_die): Add call to add_pubtype.
1512 (dwarf2out_init): Add code to initialize pubname_table and
1513 pubtype_table vectors; also initialize debug_pubtypes_section.
1514 (prune_unused_types): Change to deal with pubnames being a vector.
1515 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1516 pubnames table to call to output_pubnames; Add code to output pubtypes
1517 table if DEBUG_PUBTYPES_SECTION is defined.
1518 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1520 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1522 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1524 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1525 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1526 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1527 movv2si_internal): Support moves between core registers.
1529 2006-11-14 Eric Christopher <echristo@apple.com>
1531 * configure: Regenerate with autoconf 2.59.
1533 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1535 Fix PR tree-optimization/27755
1537 * tree-ssa-pre.c: Update comments.
1538 (bb_bitmap_sets): Add pa_in and deferred member.
1539 (BB_DEFERRED): New macro.
1540 (maximal_set): New variable.
1541 (pre_stats): Add pa_insert member.
1542 (bitmap_set_and): Short circuit orig == dest.
1543 (bitmap_set_subtract_values): New function.
1544 (bitmap_set_contains_expr): Ditto.
1545 (translate_vuses_through_block): Add phiblock argument.
1546 (dependent_clean): New function.
1547 (compute_antic_aux): Update for maximal_set changes.
1548 (compute_partial_antic_aux): New function.
1549 (compute_antic): Handle partial anticipation.
1550 (do_partial_partial_insertion): New function.
1551 (insert_aux): Handle partial anticipation.
1552 (add_to_sets): Add to maximal set.
1553 (compute_avail): Ditto.
1554 (init_pre): Initialize maximal_set.
1555 (execute_pre): Do partial anticipation if -O3+.
1557 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1559 PR rtl-optimization/29798
1561 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1562 TARGET_INSN before any other check.
1563 (fwprop_init): Always calculate dominators.
1564 (fwprop_done): Always free them.
1566 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1568 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1571 2006-11-13 DJ Delorie <dj@redhat.com>
1573 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1574 temporary for intermediates.
1576 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1578 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1579 (sh_optimize_target_register_callee_saved): #if 0 the code
1580 using NOTE_INSN_LOOP_{BEG,END}.
1582 2006-11-13 Roger Sayle <roger@eyesopen.com>
1584 * fold-const.c (optimize_bit_field_compare): Recursively call
1585 fold when simplifying non-constant comparisons between bit-fields.
1587 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1589 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1591 * configure: Rebuilt.
1593 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1595 * config/rs6000/cell.md: New file.
1596 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1598 (ppccell_cost): New cost matrix.
1599 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1600 (rs6000_override_options): Set rs6000_always_hint to false
1601 for cell. Also align functions/lables/loops to 8byte
1602 for the Cell. Use PROCESSOR_CELL.
1603 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1604 using_mtcr_multiple.
1605 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1606 on the Cell, return 0.
1607 (rs6000_adjust_cost): Add Cell cost adjustments.
1608 (is_microcoded_insn): Return true for Cell microcoded
1610 (is_nonpipeline_insn): New function.
1611 (rs6000_issue_rate): Add PROCESSOR_CELL.
1612 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1614 (rs6000_use_sched_lookahead_guard): New function.
1615 (rs6000_sched_reorder): Reorder the ready list, if the second
1616 to last ready insn is a nonepipeline insn on the Cell.
1617 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1618 (ASM_CPU_SPEC): Add Cell.
1619 * config/rs6000/rs6000.md (cpu): Add Cell.
1620 (cell_micro): New Attr.
1623 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1625 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1627 * configure: Rebuilt.
1629 2006-11-13 Richard Guenther <rguenther@suse.de>
1631 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1633 (ix86_expand_lfloorceil): Likewise.
1634 (ix86_expand_rint): Likewise.
1635 (ix86_expand_floorceildf_32): Likewise.
1636 (ix86_expand_floorceil): Likewise.
1637 (ix86_expand_rounddf_32): Likewise.
1638 (ix86_expand_truncdf_32): Likewise.
1639 (ix86_expand_round): Likewise.
1641 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1642 Mark Mitchell <mark@codesourcery.com>
1644 * gcc.c: Organize search path variables into $prefix relative,
1645 and well-known native. Add comments.
1646 (add_sysrooted_prefix): Add comment.
1647 (process_command): If !gcc_exec_prefix add $prefix based paths.
1648 If *cross_compile == '0', add native well-known paths.
1649 Assert tooldir_base_prefix is always relative.
1650 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1651 use this value for 'install:' path.
1652 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1654 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1656 * config/i386/i386.c: Fix a typo in comment.
1658 2006-11-13 Michael Matz <matz@suse.de>
1660 * genemit.c (gen_expand): Allocate enough memory.
1662 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1664 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1665 __GXX_TYPEINFO_EQUALITY_INLINE but not
1666 __GXX_MERGED_TYPEINFO_NAMES.
1667 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1668 __GXX_MERGED_TYPEINFO_NAMES.
1669 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1670 __GXX_TYPEINFO_EQUALITY_INLINE.
1672 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1673 Zdenek Dvorak <dvorakz@suse.cz>
1675 PR tree-optimization/29680
1676 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1679 2006-11-12 Jason Merrill <jason@redhat.com>
1680 Andrew Pinski <pinskia@physics.uc.edu>
1683 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1685 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1687 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1688 * tree.c (build_vector): Handle non-_CST elements.
1690 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1692 * genemit.c (gen_insn): Call gen_exp with a non-null used
1693 when handling multiple insns.
1694 (gen_expand): Likewise.
1695 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1696 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1697 (movsi_const_16bit+1): Copy operands[1].
1698 (call_pcrel): Copy the call_site pattern.
1699 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1701 2006-11-12 Roger Sayle <roger@eyesopen.com>
1703 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1704 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1705 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1706 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1708 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1710 Fix PR tree-optimization/29587
1711 * tree-ssa-structalias.c (process_constraint): Don't
1712 mark address taken due only to escaped vars constraint.
1714 2006-11-12 Michael Matz <matz@suse.de>
1715 Roger Sayle <roger@eyesopen.com>
1717 PR rtl-optimization/29797
1718 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1719 BITS_BIG_ENDIAN targets.
1721 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1723 * builtins.c (fold_builtin_cosh): New.
1724 (fold_builtin_1): Use it.
1725 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1726 trunc to the list of "odd" functions. Also add llrint, lrint,
1727 rint and nearbyint when flag_rounding_math is false.
1729 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1731 * tree-flow.h (name_mappings_registered_p): Declare.
1732 * tree-into-ssa.c (name_mappings_registered_p): New function.
1733 * tree-cfg.c (tree_can_merge_blocks_p): Check
1734 name_mappings_registered_p instead of need_ssa_update_p.
1736 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1738 * tree-ssa-loop.c (tree_vectorize): Return the result of
1740 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1741 if anything changed.
1742 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1743 * tree-flow.h (vectorize_loops): Declaration changed.
1745 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1747 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1749 (issue_prefetch_ref): Move assignment to write_p out of loop.
1750 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1751 SIMULTANEOUS_PREFETCHES into account.
1752 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1753 * lambda-code.c (lcm): Renamed to ...
1754 (least_common_multiple): ... and exported.
1755 * tree-flow.h (least_common_multiple): Declare.
1757 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1759 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1760 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1761 ud-chains. Handle AND_EXPR.
1762 (record_estimate): Record whether the estimate is realistic
1763 and whether it is derived from a loop exit.
1764 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1765 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1767 (compute_estimated_nb_iterations): Take only realistic bounds into
1768 account. Set estimate_state. Use double_ints.
1769 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1770 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1771 that do not have to be always executed.
1772 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1773 to determine whether to call infer_loop_bounds_from_undefined
1774 and compute_estimated_nb_iterations.
1775 (n_of_executions_at_most): Use double_ints.
1776 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1777 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1778 * double-int.c (double_int_to_tree): Improve comment.
1779 (double_int_fits_to_tree_p): New function.
1780 * double-int.h (double_int_fits_to_tree_p): Declare.
1781 * tree-data-ref.c: Include langhooks.h.
1782 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1783 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1784 (analyze_array): Do not pass estimate_only argument to
1785 analyze_array_indexes.
1786 (get_number_of_iters_for_loop): Build tree from the stored double_int
1788 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1789 (find_data_references_in_loop): Use find_data_references_in_stmt.
1790 * tree-data-ref.h (struct data_ref_loc_d): New.
1791 (get_references_in_stmt): Declare.
1792 (estimate_iters_using_array): Declaration removed.
1793 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1794 double_int. Improve comments. Add is_exit and realistic
1796 (struct loop): Changed type of estimated_nb_iterations to double_int.
1797 Added estimate_state field.
1798 (record_estimate): Declaration removed.
1800 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1802 * params.c (set_param_value): Initialize the "set" field.
1803 * params.h (struct param_info): Add "set" field.
1804 (PARAM_SET_P): New macro.
1805 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1806 L1_CACHE_LINE_SIZE): New macros.
1807 * toplev.c (DEFPARAM): Initialize the "set" field.
1808 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1809 SIMULTANEOUS_PREFETCHES): Removed.
1810 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1811 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1812 * config/sparc/sparc.c: Include params.h.
1813 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1814 L1_CACHE_LINE_SIZE parameters.
1815 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1817 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1819 * config/i386/i386.c: Include params.h.
1820 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1821 (override_options): Set SIMULTANEOUS_PREFETCHES and
1822 L1_CACHE_LINE_SIZE parameters.
1823 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1824 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1825 L1_CACHE_LINE_SIZE parameters.
1826 * config/ia64/ia64.c (ia64_optimization_options): Set
1827 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1828 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1830 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1831 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1832 * doc/invoke.texi: Document new params.
1834 2006-11-12 Roger Sayle <roger@eyesopen.com>
1836 PR tree-optimization/13827
1837 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1840 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1842 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1843 update_single_exit_for_duplicated_loops): New functions.
1844 (duplicate_loop_to_header_edge): Use
1845 update_single_exit_for_duplicated_loops.
1846 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1847 functions only with ENABLE_CHECKING.
1849 2006-11-12 Andreas Schwab <schwab@suse.de>
1851 * except.c (sjlj_emit_function_enter): Remove unused variable.
1853 2006-11-11 Roger Sayle <roger@eyesopen.com>
1855 * fold-const.c (int_binop_types_match_p): New function.
1856 (size_binop): Relax constraint that both arguments must both have
1857 exactly the same sizetype type. Instead use int_binop_types_match_p.
1858 (size_diffop): Likewise.
1860 (make_range): Use build_int_cst instead of fold_convert.
1861 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1862 integer constants of the correct type.
1863 (fold_div_compare): Likewise.
1864 (fold_single_bit_test): Likewise.
1865 (fold_binary): Likewise.
1866 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1867 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1869 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1872 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1873 non null value if the struct memory access is in the 0th
1876 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1879 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1880 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1883 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1884 instead of builtin_define for bfin and BFIN.
1886 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1888 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1891 2006-11-11 Jan Hubicka <jh@suse.cz>
1893 * extend.texi (__builtin_expect): We no longer require second argument
1895 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1896 * builtins.c (expand_builtin_expect): Simplify.
1897 (expand_builtin_expect_jump): Kill.
1898 * final.c (final_scan_insn): Do not skip the removed notes.
1899 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1900 EXPECTED_VALUE): Remove.
1901 * dojump.c (do_jump): Do not care about __builtin_expect.
1902 * predict.c (expected_value_to_br_prob): Kill.
1903 * function.c (expand_function_end): Do not expand
1904 NOTE_INSN_REPEATED_LINE_NUMBER.
1905 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1906 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1907 * cfgexpand.c (add_reg_br_prob_note): Export.
1908 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1909 expected_value_to_br_prob.
1910 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1911 * rtl.h (add_reg_br_prob_note): Declare.
1913 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1915 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1917 2006-11-11 Jan Hubicka <jh@suse.cz>
1919 * predict.c (predict_loops): Kill RTL variant.
1921 2006-11-11 Jan Hubicka <jh@suse.cz>
1923 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1924 * modulo-sched.c (find_line_note): Remove.
1925 (loop_canon_p): Do not worry about line number notes.
1926 (sms_schedule): Likewise.
1927 * cse.c (cse_main): Likewise.
1928 * regmove.c (fixup_match_1): Likewise
1929 * function.c (emit_return_info_block): Likewise.
1930 (expand_function_end): Likewise.
1931 (thread_prologue_an_epilogue_insns): Likewise.
1932 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1934 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1935 emit_note_copy_after): Kill.
1936 (emit_note_copy): Do not worry about line numbers.
1937 * jump.c (purge_line_number_notes): Kill.
1938 (pass_purge_lineno_notes): Kill.
1939 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1941 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1942 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1943 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1944 * tree-pass.h (pass_purge_lineno_notes): Kill.
1945 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1946 rm_redundant_line_notes.
1947 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1948 rm_redundant_line_notes.
1949 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1950 * haifa-sched.c: Update comment about handling notes.
1951 (unlink_line_notes): Kill.
1952 (rm_line_notes): Kill.
1953 (save_line_notes): Simplify.
1954 (rm_redundant_line_notes): Kill.
1956 2006-11-11 Richard Guenther <rguenther@suse.de>
1958 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1959 Remove unused tree codes.
1960 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1961 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1962 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1963 * tree.c (stabilize_reference): Likewise.
1964 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1965 fold_unary): Likewise.
1966 * tree-gimple.c (is_gimple_cast): Likewise.
1967 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1968 * expr.c (expand_expr_real_1): Likewise.
1969 * tree-eh.c (tree_could_trap_p): Likewise.
1970 * gimplify.c (gimplify_expr): Likewise.
1971 * tree-inline.c (estimate_num_insns_1): Likewise.
1972 * tree-cfg.c (verify_expr): Likewise.
1974 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1976 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1977 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1978 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1980 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1983 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
1984 constraints accept neither registers or memories.
1986 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1988 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
1989 (NO_PROFILE_COUNTERS): Define as 1.
1991 2006-11-10 Roger Sayle <roger@eyesopen.com>
1993 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
1994 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
1996 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
1998 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2000 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2002 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2003 (fold_builtin_hypot): Likewise.
2004 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2006 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2008 2006-11-10 Roger Sayle <roger@eyesopen.com>
2010 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2011 when attempting to build INTEGER_CSTs of non-integral types.
2012 * expmed.c (make_tree): Use the correct type, i.e. the inner
2013 type, when constructing the individual elements of a CONST_VECTOR.
2015 2006-11-10 Jan Hubicka <jh@suse.cz>
2017 * cse.c (cse_process_notes): Copy the propagated value.
2018 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2020 * gcse.c (try_replace_reg): Copy the replacement.
2021 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2022 (assign_386_stack_local): Always return copied memory expression
2023 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2026 2006-11-10 Jan Hubicka <jh@suse.cz>
2028 * final.c (final): Walk from first instruction.
2029 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2031 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2034 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2036 (umulv8hi3_highpart): Ditto.
2037 (vec_widen_smult_hi_v8hi): New expander.
2038 (vec_widen_smult_lo_v8hi): Ditto.
2040 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2043 * builtins.c (do_mpfr_arg3): New.
2044 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2046 2006-11-09 Eric Christopher <echristo@apple.com>
2051 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2052 * config.gcc (powerpc64-*-darwin*): New target.
2053 * config.host: Ditto.
2054 * config/rs6000/darwin64.h: New file.
2055 * config/rs6000/x-darwin64: Ditto.
2056 * config/rs6000/host-ppc64-darwin.c: Ditto.
2058 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2060 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2061 routines for integer division.
2063 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2065 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2067 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2070 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2072 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2074 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2075 simplify_subreg with BLKmode outer mode.
2077 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2079 * doc/invoke.texi: Minor formatting fixes in option lists.
2081 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2083 PR tree-optimization/29738
2084 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2085 (ccp_lattice_t): Remove UNKNOWN_VAL.
2086 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2087 Do not handle UNKNOWN_VAL.
2088 (get_default_value): Set initial value of virtual operands to
2090 (get_value): Always use get_default_value on uninitialized
2092 (set_value_varying, surely_varying_stmt_p): New functions.
2093 (set_lattice_value): Do not pass argument to get_value.
2094 Do not handle UNKNOWN_VAL.
2095 (likely_value): Follow the semantics described in the comment.
2096 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2097 phi nodes DONT_SIMULATE_AGAIN.
2098 (ccp_fold): Do not pass argument to get_value.
2099 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2102 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2104 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2105 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2107 2006-11-08 Roger Sayle <roger@eyesopen.com>
2109 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2110 test for inclusion rather than as a test for exclusion.
2111 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2112 the condition after calling fold_binary.
2113 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2114 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2115 * builtins.c (fold_builtin_isascii): Likewise.
2116 (fold_builtin_isdigit): Likewise.
2118 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2120 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2121 * configure: Regenerate.
2123 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2125 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2126 enum argument instead of bool.
2127 (vect_analyze_operations): Call vectorizable_type_promotion.
2128 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2129 stmt_vec_info_type value.
2130 (supportable_widening_operation, vectorizable_type_promotion): New
2131 function declarations.
2132 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2133 (vectorizable_type_promotion): New function.
2134 (vect_transform_stmt): Call vectorizable_type_promotion.
2135 * tree-vect-analyze.c (supportable_widening_operation): New function.
2136 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2138 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2141 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2142 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2143 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2145 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2146 * expr.c (expand_expr_real_1): Likewise.
2147 * optabs.c (optab_for_tree_code): Likewise.
2148 (init_optabs): Initialize new optabs.
2149 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2150 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2151 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2152 vec_unpacku_lo_optab): Initialize new optabs.
2153 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2154 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2155 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2157 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2158 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2159 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2160 (vec_unpacku_lo_optab): New optabs.
2161 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2162 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2163 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2164 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2165 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2166 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2168 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2169 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2170 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2171 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2172 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2173 implement the unsigned unpacking patterns.
2174 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2175 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2176 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2177 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2178 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2179 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2180 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2181 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2182 multiplication patterns.
2184 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2185 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2186 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2187 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2188 (rs6000_builtin_mul_widen_odd): New.
2189 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2190 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2191 * tree-vectorizer.h (enum vect_relevant): New enum type.
2192 (_stmt_vec_info): Field relevant chaned from bool to enum
2194 (STMT_VINFO_RELEVANT_P): Updated.
2195 (STMT_VINFO_RELEVANT): New.
2196 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2197 instead of STMT_VINFO_RELEVANT_P.
2198 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2199 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2200 and boolean variable with enum vect_relevant.
2201 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2202 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2203 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2205 2006-11-08 Richard Henderson <rth@redhat.com>
2207 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2208 vec_widen_umult_lo_v8hi): New.
2209 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2210 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2212 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2213 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2214 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2215 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2216 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2217 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2218 vec_unpacks_lo_v4si): New.
2220 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2222 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2223 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2224 (vect_analyze_operations): Call vectorizable_type_demotion.
2225 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2226 stmt_vec_info_type value.
2227 (vectorizable_type_demotion): New function declaration.
2228 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2231 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2232 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2234 * tree-iniline.c (estimate_num_insns_1): Likewise.
2235 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2236 * optabs.c (optab_for_tree_code): Likewise.
2238 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2239 compared against the predicate of the result is not 'mode' (the input
2240 to the function) but a mode with half the size of 'mode'.
2241 (init_optab): Initialize new optabs.
2242 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2244 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2246 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2247 (vec_pack_usat_optab): Initialize new optabs.
2248 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2249 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2251 2006-11-08 Richard Henderson <rth@redehat.com>
2253 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2254 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2255 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2256 (vec_interleave_highv4si, vec_interleave_lowv4si):
2257 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2259 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2261 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2263 (vect_transform_stmt): Removed redundant code.
2265 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2267 * tree-vect-transform.c (vectorizable_operation): Support multiple
2270 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2272 * tree-vect-transform.c (vect_align_data_ref): Removed.
2273 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2274 Updated function documentation. Return the increment stmt in ptr_incr.
2275 (bump_vector_ptr): New function.
2276 (vect_get_vec_def_for_stmt_copy): New function.
2277 (vect_finish_stmt_generation): Create a stmt_info to newly created
2279 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2281 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2282 VF is greater than the number of elements that can fit in one vector
2284 (vectorizable_operation, vectorizable_condition): Likewise.
2285 (vectorizable_store, vectorizable_load): Support the case that the VF
2286 is greater than the number of elements that can fit in one vector word.
2287 (vect_transform_loop): Don't fail in case of multiple data-types.
2288 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2289 in case of multiple data-types; the smallest type determines the VF.
2290 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2291 if they are of different sizes.
2292 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2293 number of elements rather than number of bytes.
2294 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2295 (vect_can_advance_ivs_p): Fix a dump printout
2297 2006-11-07 Eric Christopher <echristo@apple.com>
2299 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2300 (__bswapsi2): Ditto.
2301 * libgcc2.h: Remove transformation of bswap routines.
2302 * config/i386/i386.md (bswapsi2): New.
2305 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2307 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2308 (handle_gnu_inline_attribute): New function.
2309 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2310 (merge_decls, start_decl, start_function): Likewise.
2311 * doc/extend.texi: Document gnu_inline attribute.
2313 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2316 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2317 _fixunstfdi, and _floatditf
2319 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2321 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2323 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2324 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2325 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2326 which start in an odd register.
2328 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2330 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2332 2006-11-07 Josh Conner <jconner@apple.com>
2334 * doc/invoke.texi (fstrict-aliasing): Move implementation
2336 * doc/tree-ssa.texi (Alias analysis): ...here.
2338 2006-11-07 Richard Guenther <rguenther@suse.de>
2340 PR tree-optimization/29610
2341 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2342 of tree_purge_dead_eh_edges as it may free dominators.
2344 * g++.dg/other/pr29610.C: New testcase.
2346 2006-11-07 David Ung <davidu@mips.com>
2348 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2349 costs when optimizing for size.
2350 (override_options): Use mips_rtx_cost_optimize_size table for cost
2353 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2355 * gcc.c (process_command): Treat -b as normal switch if its argument
2358 2006-11-07 David Ung <davidu@mips.com>
2360 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2363 2006-11-06 Eric Christopher <echristo@apple.com>
2365 * config.gcc: Add x86_64-darwin host support.
2366 * config.host: Ditto.
2367 * config/i386/darwin64.h: New file.
2368 * config/i386/t-darwin64: Ditto.
2370 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2372 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2373 and output-exists-not.
2375 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2378 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2379 checking for overflow.
2381 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2383 * configure.ac: Fixed typo in case statement: :: changed to ;;
2385 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2387 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2388 count_leading_zeros, and count_trailing_zeros.
2389 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2390 (TARGET_FOLD_BUILTIN): Define.
2391 (TARGET_EXPAND_BUILTIN): Define.
2392 (xtensa_init_builtins): New.
2393 (xtensa_fold_builtin): New.
2394 (xtensa_expand_builtin): New.
2395 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2396 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2397 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2398 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2399 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2400 (any_extend): New code macro.
2401 (u, su): New code attributes.
2402 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2403 (nsau): Remove; replaced by clzsi2.
2404 (ffssi2): Use clzsi2.
2405 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2406 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2407 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2408 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2409 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2411 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2413 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2415 * config/arm/t-strongarm-elf: Likewise.
2416 * config/arm/t-pe: Likewise.
2417 * config/arm/t-arm-elf: Likewise.
2418 * config/arm/t-xscale-elf: Likewise.
2419 * config/arm/t-arm-coff: Likewise.
2420 * config/arm/t-xscale-coff: Likewise.
2421 * config/arm/t-wince-pe: Likewise.
2423 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2425 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2428 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2431 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2434 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2437 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2438 as a valid 80387 constant.
2439 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2440 * config/i386/i386.md (unnamed splitter): Split the load of
2441 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2444 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2446 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2447 from the soft-frame, argument and virtual registers.
2449 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2451 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2452 patterns for standard 80387 constants.
2454 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2455 Steven Bosscher <steven@gcc.gnu.org>
2457 * fwprop.c: New file.
2458 * Makefile.in: Add fwprop.o.
2459 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2460 * passes.c (init_optimization_passes): Schedule forward propagation.
2461 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2463 * timevar.def (TV_FWPROP): New.
2464 * common.opt (-fforward-propagate): New.
2465 * opts.c (decode_options): Enable forward propagation at -O2.
2466 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2467 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2468 canon_for_address, table_size): Remove.
2469 (new_basic_block, insert, remove_from_table): Remove references to
2471 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2472 simplification loop more straightforward by not calling fold_rtx
2474 (equiv_constant): Move here a small part of fold_rtx_subreg,
2475 do not call fold_rtx. Call avoid_constant_pool_reference
2477 * recog.h (canonicalize_change_group): New.
2479 * doc/invoke.texi (Optimization Options): Document fwprop.
2480 * doc/passes.texi (RTL passes): Document fwprop.
2482 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2484 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2485 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2486 (grokdeclarator): Likewise.
2488 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2490 * tree-dump.c (dump_enable_all): Rename local variable
2491 ir_type to avoid name conflicts.
2492 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2493 instead of using ir_type().
2494 * profile.c (tree_register_profile_hooks): Likewise.
2495 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2496 * basic-block.h (struct edge_def): Likewise.
2497 * config/arm/arm.c (legitimize_pic_address): Likewise.
2498 * coretypes.h (ir_type): New enum of all intermediate languages
2500 * cfghooks.c (ir_type): Rename to...
2501 (current_ir_type): ...this. Distinguish between cfgrtl and
2502 cfglayout mode when the current IR is RTL. Return enum ir_type.
2503 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2505 2006-11-03 Paul Brook <paul@codesourcery.com>
2507 * config/arm/arm.c (arm_file_start): New function.
2508 (TARGET_ASM_FILE_START): Define.
2509 (arm_default_cpu): New variable.
2510 (arm_override_options): Set arm_default_cpu.
2512 2006-11-03 David Ung <davidu@mips.com>
2514 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2515 PROCESSOR_24KC and PROCESSOR_24KF.
2516 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2517 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2518 (mips_rtx_cost_data): Add costs for the 24kc.
2519 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2520 * config/mips/24k.md: Remove references to 24k and replace with
2521 uses of 24kc/24kf in the appropriate reservations.
2522 * doc/invoke.texi (MIPS Options): Updated.
2524 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2526 * config/sh/crt1.asm: Fix #ifdef indent.
2528 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2529 Merged from STMicroelectronics sources:
2530 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2531 * config/sh/crt1.asm (vbr_600): Add missing #if.
2532 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2533 * sh.opt (mfused-madd): New option.
2534 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2535 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2536 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2537 Remove pointless handler at VBR+0.
2538 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2539 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2540 fr7. Make sure the timer handler is called with the correct FPU
2541 precision setting, according to the ABI.
2542 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2543 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2544 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2545 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2546 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2547 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2548 zero as second operand.
2549 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2550 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2551 Fixed some bugs related to negative values, in particular -0
2552 and overflow at -0x80000000.
2553 * config/sh/divcost-analysis: Added sh4-300 figures.
2554 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2555 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2556 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2557 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2558 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2559 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2561 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2563 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2564 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2565 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2566 mac_mem, mem_mac, dfp_mul, fp_cmp.
2567 (insn_class, dfp_comp, any_fp_comp): Update.
2568 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2569 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2570 (muldf3_i): Likewise.
2571 (movsi_i): Split rI08 alternative into two separate alternatives.
2573 (movsi_ie, movsi_i_lowpart): Likewise.
2574 (movqi_i): Split ri alternative into two separate alternatives.
2576 * sh1.md (sh1_load_store, sh1_fp): Update.
2577 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2578 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2579 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2580 (sh4a_fp_double_arith): Likewise.
2581 * sh4-300.md: New file.
2582 * sh.c (sh_handle_option): Handle m4-300* options.
2583 (sh_adjust_cost): Fix latency of auto-increments.
2584 Handle SH4-300 differently than other SH4s. Check for new insn types.
2585 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2586 been set by an option.
2587 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2588 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2589 (mbranch-cost=): Likewise.
2590 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2592 * sh.md (mulsf3): Remove special expansion code.
2593 (mulsf3_ie): Now a define_insn_and_split.
2594 (macsf3): Allow for TARGET_SH4.
2596 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2597 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2598 (expand_cbranchdi4): Likewise.
2599 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2600 CONST_DOUBLE if the outer code is COMPARE.
2601 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2602 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2603 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2604 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2605 Remove redundant fp_{zero,one}_operand checks.
2606 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2607 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2608 (expand_cbranchdi4): Likewise.
2609 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2610 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2612 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2614 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2617 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2619 * doc/invoke.texi: Fix mfp-trap-mode typo.
2621 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2623 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2624 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2625 file_end_indicate_exec_stack.
2626 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2628 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2629 for a non-executable stack.
2630 * crti.asm: Likewise.
2631 * crtn.asm: Likewise.
2632 * libunwind.S: Likewise.
2634 2006-11-02 Ben Elliston <bje@au.ibm.com>
2636 * tree-ssa.c (warn_uninit): Use expand_location variables for
2637 locus and declaration locus.
2639 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2642 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2643 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2644 cmp{eq,gt,gtu}{si,di}_media.
2645 (*cmpne0si_media): Remove.
2646 (*movsicc_umin): Adjust gen_cmp*_media call.
2647 (unordered): Change the mode of unordered and operands[1] to
2649 (seq): Adjust gen_cmp*_media calls. Make the mode of
2650 a temporary result of compare SImode if needed. If the mode
2651 of operands[0] is DImode, extend the temporary result to DImode.
2652 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2653 (sunorderd): Change the mode of match_operand and unorderd to
2655 (cmpeq{sf,df}_media): Remove.
2656 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2657 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2658 and compare operation to SImode.
2660 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2662 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2664 (sparc64-sun-solaris2*): Likewise.
2666 2006-11-02 Paul Brook <paul@codesourcery.com>
2668 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2669 from priority argument. Use different section for non-default
2671 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2673 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2676 * except.c (switch_to_exception_section): Do not cache the section
2677 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2678 and flag_function_sections is set.
2680 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2683 * builtins.c (do_mpfr_sincos): New.
2684 (fold_builtin_1): Use it to fold builtin sincos.
2686 2006-11-01 Roger Sayle <roger@eyesopen.com>
2688 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2689 it into -D_REENTRANT.
2691 2006-11-01 Roger Sayle <roger@eyesopen.com>
2693 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2694 whether the assembler supports taking the difference of symbols in
2695 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2696 * configure: Regenerate.
2697 * config.in: Regenerate.
2698 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2699 the assembler doesn't support taking the difference of symbols in
2700 different sections, i.e. we're using the native solaris assembler.
2702 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2703 Peter Bergner <bergner@vnet.ibm.com>
2705 * doc/invoke.texi: Add cpu_type power6x
2706 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2707 * config.gcc: Add cpu_type power6x.
2708 * configure.ac: Add test for mf{t,f}gpr instructions.
2709 (HAVE_AS_MFPGPR): New.
2710 * config.in: Regenerate.
2711 * configure: Regenerate.
2712 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2713 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2714 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2715 and mftgpr attributes.
2716 (define_attr "cpu"): Add power6.
2717 Change instruction sequences to use new attributes.
2718 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2719 (fix_truncdfsi2_mfpgpr): New.
2720 (floatsidf_ppc64_mfpgpr): New.
2721 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2722 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2723 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2724 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2725 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2726 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2727 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2728 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2729 cntlz,exts and var_delayed_compare.
2730 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2731 _ARCH_PWR6X, if features enabled.
2732 * config/rs6000/rs6000.opt (mmfpgpr): New.
2733 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2734 (cached_can_issue_more): New variable.
2735 (processor_costs): Add power6_cost.
2736 (rs6000_sched_init): New function.
2737 (is_dispatch_slot_restricted): Deleted.
2738 (set_to_load_agen): New function.
2739 (is_load_insn,is_store_insn): New functions.
2740 (adjacent_mem_locations): New function.
2741 (insn_must_be_first_in_group): New function.
2742 (insn_must_be_last_in_group): New function.
2743 (rs6000_sched_reorder): New function.
2744 (rs6000_sched_reorder2): New function.
2745 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2746 TARGET_SCHED_REORDER2): Define.
2747 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2748 Add power6x. Add MASK_MFPGPR for power6x.
2749 (POWERPC_MASKS): Add MASK_MFPGPR.
2750 (rs6000_override_options): Set rs6000_always_hint to false
2751 for power6. Set rs6000_align_branch_targets. Replace
2752 rs6000_sched_groups check with rs6000_align_branch_targets.
2753 Use PROCESSOR_POWER6.
2754 (last_scheduled_insn): New variable.
2755 (load_store_pendulum): New variable.
2756 (rs6000_variable_issue): Set last_scheduled_insn and
2757 cached_can_issue_more.
2758 (rs6000_adjust_cost): Add power6 cost adjustments.
2759 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2760 with insn_must_be_first_in_group. Add power6 priority adjustments.
2761 (rs6000_issue_rate): Add CPU_POWER6.
2762 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2763 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2764 (TARGET_MFPGPR): New.
2765 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2766 (ASM_CPU_SPEC): Add power6x.
2767 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2769 * config/rs6000/power6.md: New file.
2771 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2773 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2774 HOST_WIDE_INT_PRINT to print high and low parts. Use
2775 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2776 printing a hexadecimal number prefix it with 0x.
2778 2006-11-01 Chris Johns <chris@contemporary.net.au>
2781 * Makefile.in (install-driver): Use exeext when installing
2782 $target-gcc-$version.
2784 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2786 * c-common.c (flag_cpp0x): New.
2787 * c-common.h (flag_cpp0x): New.
2788 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2789 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2790 * c-opts.c (set_std_cxx0x): New.
2791 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2792 * c.opt (std=c++0x): Document.
2793 (std=gnu++0x): Ditto.
2794 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2795 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2797 2006-11-01 Richard Guenther <rguenther@suse.de>
2799 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2801 (ix86_expand_floorceildf_32): Likewise.
2802 (ix86_expand_floorceil): Likewise.
2803 (ix86_expand_trunc): Likewise.
2805 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2807 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2810 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2812 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2814 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2816 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2818 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2819 * configure.ac (use_cxa_atexit): As a special case, don't test
2820 for libc definition of __cxa_atexit on mingw32
2821 * configure: Regenerate.
2822 * config.gcc (i[34567]86-pc-mingw32): Default to
2823 enable__cxa_atexit=yes.
2825 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2827 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2829 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2832 * c-decl.c (start_struct): Don't create self-containing
2834 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2836 * config/rs6000/rs6000-protos.h
2837 (darwin_rs6000_special_round_type_align): New.
2838 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2839 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2841 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2843 * toplev.c (compile_file): Call final_write_globals
2844 even if there have been errors.
2846 2006-10-31 Eric Christopher <echristo@apple.com>
2847 Falk Hueffner <falk@debian.org>
2849 * doc/extend.texi (__builtin_bswap32): Document.
2850 (__builtin_bswap64): Ditto.
2851 * doc/libgcc.texi (bswapsi2): Document.
2853 * doc/rtl.texi (bswap): Document.
2854 * optabs.c (expand_unop): Don't widen a bswap.
2855 (init_optabs): Init bswap. Set libfuncs explicitly
2856 for bswapsi2 and bswapdi2.
2857 * optabs.h (OTI_bswap): New.
2858 (bswap_optab): Ditto.
2859 * genopinit.c (optabs): Handle bswap_optab.
2860 * tree.h (tree_index): Add TI_UINT32_TYPE and
2862 (uint32_type_node): New.
2863 (uint64_type_node): Ditto.
2864 * tree.c (build_common_tree_nodes_2): Initialize
2865 uint32_type_node and uint64_type_node.
2866 * builtins.c (expand_builtin_bswap): New.
2867 (expand_builtin): Call.
2868 (fold_builtin_bswap): New.
2869 (fold_builtin_1): Call.
2870 * fold-const.c (tree_expr_nonnegative_p): Return true
2872 * builtin-types.def (BT_UINT32): New.
2874 (BT_FN_UINT32_UINT32): Ditto.
2875 (BT_FN_UINT64_UINT64): Ditto.
2876 * builtins.def (BUILT_IN_BSWAP32): New.
2877 (BUILT_IN_BSWAP64): Ditto.
2878 * rtl.def (BSWAP): New.
2879 * genattrtab.c (check_attr_value): New.
2880 * libgcc2.c (__bswapSI2): New.
2881 (__bswapDI2): Ditto.
2882 * libgcc2.h (__bswapSI2): Declare.
2883 (__bswapDI2): Ditto.
2884 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2885 * simplify-rtx.c (simplify_const_unary_operation): Return
2887 * libgcc-std.ver (__bwapsi2): Add.
2888 (__bswapdi2): Ditto.
2889 * reload1.c (eliminate_regs_1): Add bswap.
2890 (elimination_effects): Ditto.
2891 * config/i386/i386.h (x86_bswap): New.
2892 (TARGET_BSWAP): Use.
2893 * config/i386/i386.c (x86_bswap): Set.
2895 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2897 * coverage.c (coverage_checksum_string): Update comment.
2898 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2899 of get_file_function_name.
2900 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2901 of get_file_function_name_long.
2902 * tree.c (get_file_function_name): Rename from
2903 get_file_function_name_long; improve comment; handle 'I' and 'D'
2904 specially when the target has ctor/dtor support; remove special
2906 (get_file_function_name): Remove.
2907 * tree.h (get_file_function_name): Rename from
2908 get_file_function_name_long.
2909 (get_file_function_name): Remove prototype.
2911 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2913 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2914 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2916 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2917 Call dsymutil when compiling and linking one or more source files
2920 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2923 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2925 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2927 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2928 inline static functions in c99 mode.
2931 * doc/extend.texi (Inline): Update.
2932 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2933 * c-decl.c (current_extern_inline): Delete.
2934 (pop_scope): Adjust test for an undefined nested function.
2935 Add warning about undeclared inline function.
2936 (diagnose_mismatched_decls): Update comments. Disallow overriding
2937 of inline functions in a translation unit in C99. Allow inline
2938 declarations in C99 at any time.
2939 (merge_decls): Boolize variables. Handle C99 'extern inline'
2941 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2942 C99 inline semantics.
2943 (start_function): Don't clear current_extern_inline. Don't set
2945 (c_push_function_context): Don't push current_extern_inline.
2946 (c_pop_function_context): Don't restore current_extern_inline.
2949 * c-typeck.c (build_external_ref): Warn about static variables
2950 used in extern inline functions.
2951 * c-decl.c (start_decl): Warn about static variables declared
2952 in extern inline functions.
2954 2006-10-31 Roger Sayle <roger@eyesopen.com>
2957 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2958 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2959 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2960 or y is an even integer.
2962 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2965 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2966 * gthr-posix95.h (__gthread_active_p): Likewise.
2968 2006-10-31 Richard Guenther <rguenther@suse.de>
2970 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2971 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2972 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2973 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2974 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2975 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2976 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2977 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2980 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2982 * opts.c (decode_options): Disable CSE skip blocks.
2984 2006-10-30 Dirk Mueller <dmueller@suse.de>
2986 * c-common.h (strict_aliasing_warning): Fix whitespace.
2987 * c-decl (start_function): Move code for main decl warning ..
2988 * c-common.c (check_main_parameter_types): .. here.
2989 * c-common.h (check_main_parameter_types): Declare.
2991 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2994 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
2996 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
2998 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
2999 be a PARALLEL containing sets. Return false when out_pat is not
3002 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3004 * config/mips/mips.md (mul<mode>3): Split into...
3005 (mulsi3, muldi3): ...these separate patterns.
3007 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3009 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3010 but with each set of options separated by spaces.
3012 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3014 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3015 dwarf_reg_size_table has been initialized.
3017 2006-10-30 Roger Sayle <roger@eyesopen.com>
3019 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3020 * ddg.c (print_ddg_edge): Likewise.
3021 * dwarf2out.c (prune_unused_types_walk): Likewise.
3022 * ifcvt.c (noce_try_cmove_arith): Likewise.
3023 * langhooks.c (add_builtin_function): Likewise.
3024 * reg-stack.c (subst_stack_regs_pat): Likewise.
3025 * tree.c (expanded_location): Likewise.
3026 * tree-dump.c (dequeue_and_dump): Likewise.
3028 2006-10-30 David Daney <ddaney@avtrex.com>
3030 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3032 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3034 PR tree-optimization/29637
3035 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3036 of the innertype is the innertype itself.
3038 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3040 * dwarf2out.c (file_name_acquire): Correct typo.
3042 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3044 * tree.h (tree_value_handle): Remove struct value_set declaration.
3045 Change value_set to bitmap_set.
3046 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3047 * tree-vn.c (get_value_handle): Made inline and moved to
3049 * tree-flow-inline.h: (has_stmt_ann): New function.
3050 * tree-ssa-pre.c (expressions): New variable.
3051 (next_expression_id): Ditto.
3052 (alloc_expression_id): New function.
3053 (struct value_set): Remove.
3054 (get_expression_id): New function.
3055 (get_or_alloc_expression_id): Ditto.
3056 (expression_for_id): Ditto.
3057 (clear_expression_ids): Ditto.
3058 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3059 (bb_value_sets): Renamed to bb_bitmap_sets.
3060 All value sets replaced with bitmap_sets.
3062 (BB_VISITED): New macro.
3063 (postorder): New variable.
3064 (add_to_value): Removed.
3065 (value_exists_in_set_bitmap): Ditto.
3066 (value_insert_into_set_bitmap): Ditto.
3069 (set_remove): Ditto.
3070 (set_contains_value): Ditto.
3071 (insert_into_set): Ditto.
3073 (find_leader): Ditto.
3074 (bitmap_set_subtract_from_value_set): Ditto.
3075 (value_insert_into_set): Ditto.
3076 (print_value_set): Ditto.
3077 (debug_value_set): Ditto.
3078 (constant_expr_p): New function.
3079 (bitmap_remove_from_set): Ditto.
3080 (bitmap_insert_into_set): Ditto.
3081 (bitmap_set_free): Ditto.
3082 (vh_compare): Ditto.
3083 (sorted_array_from_bitmap_set): Ditto.
3084 (bitmap_set_subtract): Ditto.
3085 (bitmap_set_equal): Ditto.
3086 (debug_bitmap_set): Ditto.
3087 (find_leader_in_sets): Ditto.
3088 (bitmap_set_replace_value): Modify for bitmapped sets.
3089 (phi_translate): Ditto.
3090 (phi_translate_set): Ditto.
3091 (bitmap_find_leader): Ditto.
3092 (valid_in_sets): Ditto.
3093 (union_contains_value): Ditto.
3095 (compute_antic_aux): Ditto. Mark changed blocks.
3096 (compute_antic): Ditto. Iterate in postorder and only over
3098 (compute_rvuse_and_antic_safe): Reuse postorder.
3099 (create_component_ref_by_pieces): Modify for bitmapped sets.
3100 (find_or_generate_expression): Ditto.
3101 (create_expression_by_pieces): Ditto.
3102 (insert_into_preds_of_block): Ditto.
3103 (changed_blocks): New variable.
3104 (do_regular_insertion): Broken out from insert_aux.
3105 (insert_aux): Modified for bitmapped sets.
3106 (find_existing_value_expr): New function.
3107 (create_value_expr_from): Use it.
3108 (insert_extra_phis): Removed.
3109 (print_bitmap_set): Renamed from bitmap_print_value_set.
3110 (compute_avail): Handle RETURN_EXPR.
3111 (init_pre): Modify for bitmapped sets.
3112 * tree-flow.h (has_stmt_ann): New function.
3114 2006-10-29 Roger Sayle <roger@eyesopen.com>
3116 * builtins.c (fold_builtin_floor): Check for the availability of
3117 the C99 trunc function before transforming floor into trunc.
3119 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3121 * builtins.c (fold_builtin_hypot): Rearrange recursive
3122 transformation before others, and also do ABS_EXPR. When
3123 necessary, check flag_unsafe_math_optimizations. When necessary,
3126 2006-10-29 Roger Sayle <roger@eyesopen.com>
3128 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3129 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3130 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3131 Fold -X eq/ne -Y as X eq/ne Y.
3133 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3135 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3136 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3137 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3138 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3139 Use an inclusive test for "mult" rather than "mul".
3140 (rotr<mode>3): Depend on ISA_HAS_ROR.
3141 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3143 (GENERATE_MULT3_DI): Delete.
3144 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3145 (ISA_HAS_MUL3): New macro.
3146 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3147 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3148 (ISA_HAS_CLZ_CLO): Likewise.
3149 (ISA_HAS_DCLZ_DCLO): Delete.
3150 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3151 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3152 the VR4120 and VR4130.
3153 (ISA_HAS_MACCHI): Use consistent formatting.
3154 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3155 (ISA_HAS_ROR): ...this new macro.
3156 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3157 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3158 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3160 2006-10-29 Roger Sayle <roger@eyesopen.com>
3162 PR tree-optimization/15458
3163 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3166 2006-10-29 Richard Guenther <rguenther@suse.de>
3168 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3169 (ix86_expand_truncdf_32): Likewise.
3170 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3171 trunc inline for SSE math and -fno-trapping-math and if not
3172 optimizing for size.
3173 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3174 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3175 for expanding btrunc inline for SSE math.
3177 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3179 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3180 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3181 i[34567]86-*-solaris2.1[0-9]*.
3182 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3183 Define conditionally depending on TARGET_64BIT_DEFAULT.
3184 (SPEC_32, SPEC_64): Define.
3185 (LINK_SPEC): Use them.
3186 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3188 2006-10-29 Richard Guenther <rguenther@suse.de>
3190 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3191 (ix86_expand_rounddf_32): Likewise.
3192 * config/i386/i386.c (ix86_expand_round): New function expanding
3193 round inline for SSE math and -fno-trapping-math and if not
3194 optimizing for size.
3195 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3196 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3197 round via ix86_expand_round.
3199 2006-10-29 Richard Guenther <rguenther@suse.de>
3201 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3202 (ix86_expand_floorceildf_32): Likewise.
3203 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3204 static helper function.
3205 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3207 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3208 * config/i386/i386.md (floordf2): Adjust to enable floor
3209 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3210 -fno-trapping-math is enabled and if not optimizing for size.
3211 (floorsf2, ceildf2, ceilsf2): Likewise.
3212 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3213 (sse2_maskcmpdf3): Likewise.
3215 2006-10-29 Richard Guenther <rguenther@suse.de>
3217 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3218 rint in case -fno-trapping-math is enabled.
3219 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3220 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3221 (ix86_expand_sse_fabs): Likewise.
3222 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3223 * config/i386/i386.md (rintdf2): Enable for SSE math if
3224 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3225 (rintsf2): Likewise.
3227 2006-10-29 Richard Guenther <rguenther@suse.de>
3229 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3230 to conversion optabs.
3231 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3232 as conversion optab.
3233 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3234 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3235 (lfloor_optab, lceil_optab): Adjust defines.
3236 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3237 lfloor and lceil optabs now being conversion optabs.
3238 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3239 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3240 New static helper function.
3241 (ix86_expand_lfloorceil): New function to expand lfloor and
3243 * config/i386/i386.md (lfloor<mode>2): Split into ...
3244 (lfloorxf<mode>2): ... x87 variant
3245 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3246 using ix86_expand_lfloorceil.
3247 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3249 * doc/md.texi (lfloorMN, lceilMN): Document.
3251 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3253 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3254 -mno-shared assembler option on mips targets.
3255 * configure, config.in: Regenerate.
3256 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3257 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3258 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3260 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3262 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3263 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3265 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3267 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3268 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3271 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3274 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3275 (fold_builtin_pow): Evaluate constant arguments at compile-time
3277 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3278 (do_mpfr_ckconv): New helper function.
3279 (do_mpfr_arg1): Use do_mpfr_ckconv.
3280 (do_mpfr_arg2): New.
3282 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3285 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3286 (-fdump-rtl-sched): Rename to ..
3287 (-fdump-rtl-sched1): here. Also fix file extension number.
3289 2006-10-28 Richard Guenther <rguenther@suse.de>
3291 * fold-const.c (maybe_canonicalize_comparison): Fix code
3294 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3296 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3297 (NON_QI_REG_P): Use IN_RANGE.
3298 (REX_INT_REGNO_P): Use IN_RANGE.
3299 (FP_REGNO_P): Use IN_RANGE.
3300 (SSE_REGNO_P): Use IN_RANGE.
3301 (REX_SSE_REGNO_P): Use IN_RANGE.
3302 (MMX_REGNO_P): Use IN_RANGE.
3303 (STACK_REGNO_P): New macro.
3304 (STACK_REG_P): Use STACK_REGNO_P.
3305 (NON_STACK_REG_P): Use STACK_REGNO_P.
3306 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3307 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3308 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3309 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3310 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3312 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3314 * except.h (output_function_exception_table): Add 'const char*' param.
3315 * except.c (switch_to_exception_section): Add 'const char*' param.
3316 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3317 and flag_function_sections is set, use a function-specific section.
3318 (output_function_exception_table): Add 'const char*' param.
3319 Adjust call to switch_to_exception_section.
3320 * final.c (rest_of_handle_final): Adjust calls to
3321 output_function_exception_table.
3322 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3323 * config.in: Regenerate.
3324 * configure: Likewise.
3326 2006-10-28 Richard Guenther <rguenther@suse.de>
3329 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3330 for maybe_canonicalize_comparison.
3331 (maybe_canonicalize_comparison): New function for canonicalizing
3333 (fold_comparison): Call it to canonicalize comparisons with
3336 2006-10-28 Richard Guenther <rguenther@suse.de>
3339 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3340 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3341 (expand_builtin): Adjust likewise.
3342 * genopinit.c (optabs[]): Add lround optab.
3343 * optabs.c (init_optabs): Initialize lround_optab.
3344 * optabs.h (enum convert_optab_index): Add COI_lround.
3345 (lround_optab): Define.
3346 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3347 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3349 (ix86_expand_lround): New function.
3350 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3352 * doc/md.texi (lroundMN2): Document.
3354 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3357 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3358 argument to HOST_WIDE_INT. Update function prototype.
3359 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3360 "size" argument to HOST_WIDE_INT. Update function prototype.
3362 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3364 * config/i386/i386.c (output_387_ffreep): Create output from a
3365 template string for !HAVE_AS_IX86_FFREEP.
3367 2006-10-27 Eric Christopher <echristo@apple.com>
3369 * config/darwin.c: Fix formatting and grammar.
3371 2006-10-27 Jan Hubicka <jh@suse.cz>
3373 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3374 to be thrown away soon when IGNORE is set.
3375 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3376 indicating when return value shall not be computed.
3377 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3379 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3381 * config/i386/i386.h (TARGET_GEODE):
3382 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3383 (TARGET_CPU_DEFAULT_geode): New macro.
3384 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3385 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3386 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3387 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3388 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3390 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3391 (processor_type): Add PROCESSOR_GEODE.
3393 * config/i386/i386.md: Include geode.md.
3396 * config/i386/i386.c (geode_cost): New initialized global
3398 (m_GEODE, m_K6_GEODE): New macros.
3399 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3400 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3401 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3402 x86_schedule): Use m_K6_GEODE instead of m_K6.
3403 (x86_movx, x86_cmove): Set up m_GEODE.
3404 (x86_integer_DFmode_moves): Clear m_GEODE.
3405 (processor_target_table): Add entry for geode.
3406 (processor_alias_table): Ditto.
3408 * config/i386/geode.md: New file.
3410 * doc/invoke.texi: Add entry about geode processor.
3412 2006-10-27 Mike Stump <mrs@apple.com>
3414 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3415 __DYNAMIC__ from here back to ...
3416 * config/darwin.h (CPP_SPEC): ... here.
3418 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3419 Nathan Sidwell <nathan@codesourcery.com>
3421 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3422 when choosing the minimum heapsize.
3424 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3426 * gcc/unwind-dw2.h: Move cfa-related variables into
3427 struct frame_state_reg_info to ensure that the CFA is properly
3428 handled when executing DW_CFA_{remember,restore}_state.
3429 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3430 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3431 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3432 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3433 gcc/config/rs6000/linux-unwind.h,
3434 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3435 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3436 Modify to use new cfa_* fields.
3438 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3440 * config/s390/s390.c (s390_init_frame_layout): Check positive
3443 2006-10-26 Ben Elliston <bje@au.ibm.com>
3445 * gimplify.c (get_name): Remove extraneous break.
3446 (gimplify_omp_for): Initialise ret with GS_OK.
3448 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3450 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3451 Add unix98.o to link line.
3453 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3456 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3457 Calculate compile-time constants using MPFR.
3458 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3459 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3461 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3463 * config/xtensa/lib2funcs.S: Use C-style comments.
3465 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3467 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3468 (file_table_relative_p): Likewise.
3469 (dwarf2out_finish): Likewise.
3470 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3472 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3474 * tree-ssa-structalias.c (intra_create_variable_infos):
3475 Don't recreate nonlocal_all if it already exists.
3477 2006-10-25 Richard Guenther <rguenther@suse.de>
3480 * optabs.h (enum optab_index): Remove OTI_lrint.
3481 (enum convert_optab_index): Add COI_lrint.
3482 (lrint_optab): Adjust.
3483 (expand_sfix_optab): Declare.
3484 * optabs.c (expand_sfix_optab): New function.
3485 (init_optabs): Init lrint_optab as conversion optab.
3486 * genopinit.c (lrint_optab): Change to a conversion optab.
3487 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3488 expansion via conversion optab.
3489 * config/i386/i386.md (*fistdi2_1): Remove
3490 flag_unsafe_math_optimizations guard.
3491 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3492 fist<mode>2_with_temp): Likewise.
3493 (lrint<mode>2): Split into...
3494 (lrintxf<mode>2): ... x87 part
3495 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3496 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3497 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3498 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3499 * doc/md.texi (lrintMN2): Document.
3501 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3504 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3505 Use inc and dec instructions for TARGET_USE_INCDEC.
3506 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3507 ("sync_double_compare_and_swap<mode>"): Likewise.
3508 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3509 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3510 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3511 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3512 ("sync_old_add<mode>"): Likewise.
3513 ("sync_lock_test_and_set<mode>"): Likewise.
3514 ("sync_lock_test_and_set<mode>"): Likewise.
3515 ("sync_add<mode>"): Likewise.
3516 ("sync_sub<mode>"): Likewise.
3517 ("sync_ior<mode>"): Likewise.
3518 ("sync_and<mode>"): Likewise.
3519 ("sync_xor<mode>"): Likewise.
3521 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3523 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3524 (remainder_optab): Define corresponding macro.
3525 (drem_optab): Remove.
3526 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3527 drem_optab initialization.
3528 * genopinit.c (optabs): Implement remainder_optab using
3529 remainder?f3 patterns. Remove drem_optab.
3530 * builtins.c (expand_builtin_mathfn_2): Handle
3531 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3532 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3533 expand_builtin_mathfn_2.
3535 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3536 depend on flag_unsafe_math_optimizations.
3538 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3539 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3540 Do not depend on flag_unsafe_math_optimizations. Use
3541 truncxf?f expander instead of truncxf?f_i387_noop.
3543 ("fpremxf4", "fprem1xf4"): Do not depend on
3544 flag_unsafe_math_optimizations.
3545 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3546 flag_unsafe_math_optimizations. Use truncxf?f expander
3547 instead of truncxf?f_i387_noop.
3549 * doc/md.texi (fmod, remainder): Document standard named pattern.
3551 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3552 David Daney <ddaney@avtrex.com>
3555 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3557 2006-10-25 Ben Elliston <bje@au.ibm.com>
3559 * doc/extend.texi (Variable Attributes): Typo fix.
3561 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3563 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3564 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3565 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3566 (FRAME_POINTER_REGNUM): Update register number to 21.
3567 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3568 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3570 * config/i386/i386.c (regclass_map): Add fpcr entry.
3571 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3573 (print_reg): Assert REGNO (x) != FPCR_REG.
3575 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3576 (DIRFLAG_REG): Renumber.
3577 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3578 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3579 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3580 hardcoded SSE register numbers.
3582 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3583 hardcoded MMX register numbers.
3585 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3588 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3589 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3591 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3592 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3593 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3594 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3596 2006-10-24 Richard Guenther <rguenther@suse.de>
3599 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3600 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3601 for deciding optimizations in consistency with fold-const.c
3602 (fold_builtin_unordered_cmp): Likewise.
3604 2006-10-24 Richard Guenther <rguenther@suse.de>
3606 * builtins.c (fold_builtin_floor): Fold floor (x) where
3607 x is nonnegative to trunc (x).
3608 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3609 nonnegative to FIX_TRUNC_EXPR.
3611 2006-10-24 Richard Guenther <rguenther@suse.de>
3613 PR tree-optimization/29567
3614 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3615 for TRUTH_NOT_EXPR. Clarify comments.
3617 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3620 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3621 at compile-time using MPFR. Change parameter VALUE to FUNC,
3623 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3624 for overflow and underflow at all times and avoid folding in
3627 2006-10-24 Ben Elliston <bje@au.ibm.com>
3629 * reload1.c: Formatting fixes.
3631 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3633 PR tree-optimization/14784
3634 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3635 * tree-ssa-structalias.c (get_constraint_for,
3636 intra_create_variable_infos): Set is_heapvar.
3637 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3638 non-heapvar pointer variables specially.
3640 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3643 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3644 fold_builtin_tan): Fold all constant arguments. Take a "type"
3645 argument as necessary.
3646 (do_mpfr_arg1): New.
3647 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3649 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3651 * config/xtensa/lib1funcs.asm: Use C-style comments.
3653 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3655 * tree.c (local_define_builtin): Replace calls to
3656 lang_hooks.builtin_function with add_builtin_function.
3657 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3659 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3661 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3662 common code to add_builtin_function.
3663 * langhooks.c (add_builtin_function): New function.
3664 (lhd_builtin_function): New function.
3665 * langhooks.h (struct lang_hooks): Change the signature of
3667 (add_builtin_function): New function.
3668 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3669 calls to lang_hooks.builtin_function with add_builtin_function.
3670 * c-common.c (decl_builtin_1): Replace calls to
3671 lang_hooks.builtin_function with add_builtin_function.
3672 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3673 lang_hooks.builtin_function with add_builtin_function.
3674 * config/frv/frv.c (def_builtin): Replace calls to
3675 lang_hooks.builtin_function with add_builtin_function.
3676 * config/s390/s390.c (s390_init_builtins): Replace calls to
3677 lang_hooks.builtin_function with add_builtin_function.
3678 * config/sparc/sparc.c (def_builtin): Replace calls to
3679 lang_hooks.builtin_function with add_builtin_function.
3680 * config/i386/i386.c (def_builtin): Replace calls to
3681 lang_hooks.builtin_function with add_builtin_function.
3682 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3683 lang_hooks.builtin_function with add_builtin_function.
3684 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3685 lang_hooks.builtin_function with add_builtin_function.
3686 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3687 Replace calls to lang_hooks.builtin_function with
3688 add_builtin_function.
3689 * config/iq2000/iq2000.c (def_builtin):
3690 Replace calls to lang_hooks.builtin_function with
3691 add_builtin_function.
3692 * config/ia64/ia64.c (def_builtin): Replace calls to
3693 lang_hooks.builtin_function with add_builtin_function.
3694 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3695 lang_hooks.builtin_function with add_builtin_function.
3696 (altivec_init_builtins): Replace calls to
3697 lang_hooks.builtin_function with add_builtin_function.
3698 * config/arm/arm.c (def_mbuiltin): Replace calls to
3699 lang_hooks.builtin_function with add_builtin_function.
3700 (arm_init_tls_builtins): Replace calls to
3701 lang_hooks.builtin_function with add_builtin_function.
3702 * config/mips/mips.c (mips_init_builtins): Replace calls to
3703 lang_hooks.builtin_function with add_builtin_function.
3704 * config/bfin/bfin.c (def_builtin): Replace calls to
3705 lang_hooks.builtin_function with add_builtin_function.
3706 * langhooks-def.h (lhd_builtin_function): New function.
3707 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3709 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3711 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3712 BUILT_IN_STRNCAT_CHK.
3714 2006-10-23 Jan Hubicka <jh@suse.cz>
3716 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3717 don't do conversion from memmove to memcpy here.
3718 (expand_builtin_bcopy, expand_builtin): Update call of
3719 expand_builtin_memmove.
3720 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3722 2006-10-23 Paul Brook <paul@codesourcery.com>
3724 * stor-layout.c (start_record_layout): maximum_field_alignment
3725 overrides STRUCTURE_SIZE_BOUNDARY.
3727 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3729 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3730 nonlocal function symbols if flag_pic.
3732 2006-10-23 Richard Guenther <rguenther@suse.de>
3736 * builtins.c (fold_binary): Remove checks for flag_wrapv
3737 and flag_trapv where negate_expr_p covers these cases.
3739 2006-10-23 Richard Guenther <rguenther@suse.de>
3742 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3743 of two on the absolute value.
3744 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3745 and negating -C does not overflow.
3747 2006-10-23 Richard Guenther <rguenther@suse.de>
3750 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3751 only if not flag_rounding_math.
3753 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3754 Kaz Kojima <kkojima@gcc.gnu.org>
3757 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3758 SImode memory reference for the source of a movua.
3759 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3760 (movua): Use an unspec instead of sign_extract. Expect the source
3761 to have mode BLKmode.
3762 (extv, insv): Use a BLKmode rather than SImode memory reference
3763 for the source of a movua.
3765 2006-10-22 Jeff Law <law@redhat.com>
3766 Richard Guenther <rguenther@suse.de>
3768 PR tree-optimization/15911
3769 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3770 (register_edge_assert_for_1): Likewise.
3771 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3772 (find_conditional_asserts): Adjust for new function signature.
3773 (find_assert_locations): Likewise.
3775 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3777 * config/i386/tmmintrin.h: Remove the duplicated content.
3779 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3781 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3782 (x86_64-*-*): Likewise.
3784 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3785 (override_options): Check SSSE3.
3786 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3787 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3788 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3789 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3790 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3791 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3792 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3793 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3794 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3795 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3796 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3797 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3798 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3799 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3800 IX86_BUILTIN_PABSD128.
3801 (bdesc_2arg): Add SSSE3.
3802 (bdesc_1arg): Likewise.
3803 (ix86_init_mmx_sse_builtins): Support SSSE3.
3804 (ix86_expand_builtin): Likewise.
3805 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3807 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3808 (UNSPEC_PSIGN): Likewise.
3809 (UNSPEC_PALIGNR): Likewise.
3810 Include mmx.md before sse.md.
3812 * config/i386/i386.opt: Add -mssse3.
3814 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3815 (ssse3_phaddwv4hi3): Likewise.
3816 (ssse3_phadddv4si3): Likewise.
3817 (ssse3_phadddv2si3): Likewise.
3818 (ssse3_phaddswv8hi3): Likewise.
3819 (ssse3_phaddswv4hi3): Likewise.
3820 (ssse3_phsubwv8hi3): Likewise.
3821 (ssse3_phsubwv4hi3): Likewise.
3822 (ssse3_phsubdv4si3): Likewise.
3823 (ssse3_phsubdv2si3): Likewise.
3824 (ssse3_phsubswv8hi3): Likewise.
3825 (ssse3_phsubswv4hi3): Likewise.
3826 (ssse3_pmaddubswv8hi3): Likewise.
3827 (ssse3_pmaddubswv4hi3): Likewise.
3828 (ssse3_pmulhrswv8hi3): Likewise.
3829 (ssse3_pmulhrswv4hi3): Likewise.
3830 (ssse3_pshufbv16qi3): Likewise.
3831 (ssse3_pshufbv8qi3): Likewise.
3832 (ssse3_psign<mode>3): Likewise.
3833 (ssse3_psign<mode>3): Likewise.
3834 (ssse3_palignrti): Likewise.
3835 (ssse3_palignrdi): Likewise.
3836 (abs<mode>2): Likewise.
3837 (abs<mode>2): Likewise.
3839 * config/i386/tmmintrin.h: New file.
3841 * doc/extend.texi: Document SSSE3 built-in functions.
3843 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3845 2006-10-22 Ira Rosen <irar@il.ibm.com>
3847 * tree-vect-transform.c (vectorizable_load): Use the type of the
3848 return value of the mask_for_load builtin to create realign_load
3851 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3853 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3856 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3858 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3859 (UNSPEC_LDDQU): This.
3860 * config/i386/sse.md (sse3_lddqu): Updated.
3862 2006-10-21 Richard Guenther <rguenther@suse.de>
3864 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3865 (expand_builtin): Use it to expand lrint instead of
3866 expand_builtin_mathfn.
3868 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3871 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3872 flag_unsafe_math_optimizations is set.
3874 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3877 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3878 patterns to use memory input operand in x87->mem->XMM
3879 reload sequences. Skip transformation for TARGET_K8.
3881 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3883 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3884 force operand1 to register if both operands are memory operands.
3885 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3886 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3887 if both operands are memory operands.
3888 (truncdfsf2): Do not force operand1 to register if both operands
3889 are memory operands.
3891 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3893 * Makefile.in (LIBS): Add $(GMPLIBS).
3894 * doc/install.texi: Update GMP and MPFR requirements.
3895 * doc/sourcebuild.texi (need_gmp): Delete.
3897 2006-10-21 Richard Guenther <rguenther@suse.de>
3899 PR tree-optimization/3511
3900 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3901 got new invariant arguments during PHI translation.
3903 2006-10-21 Richard Guenther <rguenther@suse.de>
3906 * fold-const.c (fold_comparison): Fold signed comparisons
3907 of the form X +- C1 CMP Y +- C2.
3909 2006-10-21 Richard Guenther <rguenther@suse.de>
3912 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3913 if flag_unsafe_math_optimizations is specified. We have
3914 flag_finite_math_only for that.
3915 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3916 or flag_unsafe_math_optimizations.
3918 2006-10-21 Richard Guenther <rguenther@suse.de>
3920 * builtins.c (fold_builtin_classify): Fix typo.
3922 2006-10-21 Richard Guenther <rguenther@suse.de>
3925 * simplify-rtx.c (simplify_const_relational_operation):
3926 Do not constant-fold ORDERED and UNORDERED for
3927 flag_unsafe_math_optimizations but only we do not need to
3928 honor NaNs for the given mode.
3930 2006-10-21 Richard Guenther <rguenther@suse.de>
3933 * config/i386/i386.c (classify_argument): Remove redundant
3934 walking of the BINFOs.
3935 (contains_128bit_aligned_vector_p): Likewise.
3937 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3939 * BASE-VER: Set to 4.3.0.
3941 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3943 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3944 (tree_decl_with_vis): Remove artificial_pta_var flag.
3945 * tree-flow.h (referenced_var_check_and_insert): Expose.
3946 (nonlocal_all): New prototype.
3947 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3948 (nonlocal_all): Make global.
3949 (nonlocal_lookup): Remove.
3950 (nonlocal_insert): Ditto.
3951 (create_nonlocal_var): Do not call nonlocal_insert.
3952 (get_nonlocal_id_for_type): Remove.
3953 (find_global_initializers): Mark new vars we find for renaming.
3954 (intra_create_variable_infos): Only create one nonlocal.
3955 (expand_nonlocal_solutions): Remove.
3956 (compute_points_to_sets): Don't call it.
3957 (ipa_pta_execute): Ditto.
3958 (init_alias_heapvars): Don't create nonlocal_for_type.
3959 (delete_alias_heapvars): Don't remove it.
3960 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3963 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3965 * doc/install.texi (Downloading GCC): Clarify mention of
3966 Fortran in the "full distribution" description.
3968 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3970 Fix PR tree-optimization/28778
3971 Fix PR tree-optimization/29156
3972 Fix PR tree-optimization/29415
3973 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3974 (tree_decl_with_vis): Add artificial_pta_var flag.
3975 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3976 pushed into callers.
3977 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3978 (nonlocal_all): Ditto.
3979 (struct variable_info): Add directly_dereferenced member.
3980 (var_escaped_vars): New variable.
3981 (escaped_vars_tree): Ditto.
3982 (escaped_vars_id): Ditto.
3983 (nonlocal_vars_id): Ditto.
3984 (new_var_info): Set directly_dereferenced.
3985 (graph_size): New variable
3986 (build_constraint_graph): Use graph_size.
3987 (solve_graph): Don't process constraints that cannot change the
3988 solution, don't try to propagate an empty solution to our
3990 (process_constraint): Set directly_dereferenced.
3991 (could_have_pointers): New function.
3992 (get_constraint_for_component_ref): Don't process STRING_CST.
3993 (nonlocal_lookup): New function.
3994 (nonlocal_insert): Ditto.
3995 (create_nonlocal_var): Ditto.
3996 (get_nonlocal_id_for_type): Ditto.
3997 (get_constraint_for): Allow results vector to be empty in the case
3998 of string constants.
3999 Handle results of calls properly.
4000 (update_alias_info): Update alias info stats on number and type of
4002 (find_func_aliases): Use could_have_pointers.
4003 (make_constraint_from_escaped): Renamed from
4004 make_constraint_to_anything, and changed to make constraints from
4006 (make_constraint_to_escaped): New function.
4007 (find_global_initializers): Ditto.
4008 (create_variable_info_for): Make constraint from escaped to any
4009 global variable, and from any global variable to the set of
4011 (intra_create_variable_infos): Deal with escaped instead of
4012 pointing to anything.
4013 (set_uids_in_ptset): Do type pruning on directly dereferenced
4015 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4016 (init_base_vars): Fix comment, and initialize escaped_vars.
4017 (need_to_solve): Removed.
4018 (find_escape_constraints): New function.
4019 (expand_nonlocal_solutions): Ditto.
4020 (compute_points_to_sets): Call find_escape_constraints and
4021 expand_nonlocal_solutions.
4022 (delete_points_to_sets): Don't fall off the end of the graph.
4023 (init_alias_heapvars): Initialize nonlocal_for_type and
4025 (delete_alias_heapvars): Free nonlocal_for_type and null out
4028 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4030 * fold-const.c (add_double): Rename to add_double_with_sign.
4031 Add 'unsigned_p' parameter and take it into account for the overflow.
4032 (mul_double): Rename to mul_double_with_sign.
4033 Add 'unsigned_p' parameter and take it into account for the overflow.
4034 (fold_div_compare): Call add_double_with_sign instead of add_double
4035 and mul_double_with_sign instead of mul_double, passing them the
4036 unsignedness of the type.
4037 * tree.h (add_double): Macroize.
4038 (add_double_with_sign): New prototype.
4039 (mul_double): Macroize.
4040 (mul_double_with_sign): New prototype.
4042 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4044 * config/score/crti.asm: New file.
4045 * config/score/crtn.asm: New file.
4046 * config/score/elf.h: New file.
4047 * config/score/mac.md: New file.
4048 * config/score/misc.md: New file.
4049 * config/score/mul-div.S: New file.
4050 * config/score/predicates.md: New file.
4051 * config/score/score7.md: New file.
4052 * config/score/score.c: New file.
4053 * config/score/score-conv.h: New file.
4054 * config/score/score.h: New file.
4055 * config/score/score.md: New file.
4056 * config/score/score-mdaux.c: New file.
4057 * config/score/score-mdaux.h: New file.
4058 * config/score/score-modes.def: New file.
4059 * config/score/score.opt: New file.
4060 * config/score/score-protos.h: New file.
4061 * config/score/score-version.h: New file.
4062 * config/score/t-score-elf: New file.
4063 * config.gcc: Add score*-*-* configurations(Update before).
4064 * doc/invoke.texi (Score Options): New section.
4065 * doc/md.texi (Score family): New section to document constraints.
4067 2006-10-19 Nick Clifton <nickc@redhat.com>
4069 * config/arm/arm.c: Fix spelling typo.
4071 2006-10-18 Tom Tromey <tromey@redhat.com>
4073 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4075 2006-10-18 Jan Hubicka <jh@suse.cz>
4078 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4081 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4083 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4084 TSI_SAME_STMT, since that's the desired entity.
4086 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4088 * config/s390/contraints.md: New file.
4089 * config/s390/s390-protos.h (s390_mem_constraint,
4090 s390_O_constraint_str, s390_N_constraint_str,
4091 s390_float_const_zero_p): Function prototypes added.
4092 * config/s390/s390.c (s390_extra_constraint_str,
4093 s390_const_double_ok_for_constraint_p,
4094 s390_const_ok_for_constraint_p): Functions removed.
4095 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4096 s390_float_const_zero_p): New functions.
4097 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4098 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4099 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4100 Macro definitions removed.
4101 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4102 s390_extra_constraint_str): Functions removed.
4104 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4105 Richard Sandiford <richard@codesourcery.com>
4108 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4109 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4111 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4113 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4114 (DWARF2_FRAME_REG_OUT): Likewise.
4115 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4116 (DWARF2_FRAME_REG_OUT): Likewise.
4118 2006-10-17 Paul Brook <paul@codesourcery.com>
4120 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4122 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4124 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4125 Standardize on "GNU Fortran" as the official name of the Fortran
4128 2006-10-16 Mike Stump <mrs@apple.com>
4130 * doc/invoke.texi (Darwin Options): Document -mkernel.
4131 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4133 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4134 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4135 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4136 (OS_MISSING_ALTIVEC): Add.
4137 * config/i386/i386.c (override_options): Add
4138 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4139 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4140 -mkernel, -static or -mdynamic-no-pic is given.
4141 (C_COMMON_OVERRIDE_OPTIONS): Add.
4142 * config/darwin.opt (fapple-kext): Add.
4144 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4145 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4147 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4148 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4149 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4150 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4151 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4152 (flag_mkernel): Add.
4153 (flag_apple_kext): Add.
4154 (TARGET_KEXTABI): Add.
4155 * config/darwin.c (darwin_handle_kext_attribute): Add.
4156 (DARWIN_VTABLE_P): Add.
4157 (darwin_binds_local_p): Add partial support for rebinding vtables
4159 (darwin_kextabi_p): Add.
4160 (darwin_override_options): Add.
4161 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4162 (darwin_kextabi_p): Add.
4163 (darwin_override_options): Add.
4164 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4165 __DYNAMIC__ and __STATIC__ here.
4167 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4169 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4170 Added mention of "make pdf" target, and Texinfo requirements for
4173 2006-10-16 DJ Delorie <dj@redhat.com>
4175 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4176 into the GOT in case we need a subreg of the address.
4178 2006-10-16 Richard Guenther <rguenther@suse.de>
4181 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4182 SSE builtin documentation. Document SSE2 builtins.
4184 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4186 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4187 symbol in the output file for non-shared links when -nostdlib or
4188 -nodefaultlibs isn't specified.
4190 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4191 posix thread support.
4193 2006-10-15 Jan Hubicka <jh@suse.cz>
4196 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4197 declared always_inline even when not inlining.
4199 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4200 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4201 Andrew Pinski <pinskia@gmail.com>
4204 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4206 2006-10-15 Jan Hubicka <jh@suse.cz>
4207 Richard Guenther <rguenther@suse.de>
4210 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4211 process_function_and_variable_attributes on all variables, including
4212 those discovered during cgraph construction phase.
4214 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4216 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4218 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4220 * config/i386/athlon.md (athlon_fist): Add fisttp.
4222 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4223 Ian Lance Taylor <ian@airs.com>
4226 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4227 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4230 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4232 * config/score/score.c, config/score/score.h: Fix comment
4235 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4238 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4241 2006-10-13 Eric Christopher <echristo@apple.com>
4243 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4245 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4248 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4249 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4250 alignment supported by 32-bit ELF.
4252 2006-10-13 Eric Christopher <echristo@apple.com>
4254 * config/darwin.c (darwin_emit_unwind_label): Strip
4255 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4257 2006-10-13 Richard Guenther <rguenther@suse.de>
4259 PR tree-optimization/29446
4260 * tree-vrp.c (fix_equivalence_set): Remove.
4261 (extract_range_from_assert): Do not call fix_equivalence_set.
4262 (debug_value_range): Print a newline.
4263 (compare_name_with_value): For equivalence sets with
4264 inconsistent value ranges conservatively bail out.
4265 (compare_names): Likewise.
4267 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4269 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4270 and MPFR for gfortran.
4272 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4274 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4275 alignment supported by 32-bit ELF.
4277 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4281 * c-typeck.c (digest_init): Always allow initializing vectors
4282 that have static storage duration with compound literals.
4283 * tree.c (build_type_attribute_qual_variant): New, based on
4284 build_type_attribute_variant.
4285 (build_type_attribute_variant): Rewrite using the former.
4286 (make_vector_type): Use build_type_attribute_qual_variant to build
4287 type variants. Use type_hash_canon on the others.
4289 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4290 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4292 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4294 2006-10-12 Jan Hubicka <jh@suse.cz>
4297 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4298 current_function_decl is set but current_function_scope is not.
4300 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4302 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4303 emit_insn to emit eh_return_internal instruction.
4304 (eh_return_internal): Explicitly set pc.
4306 2006-10-11 Richard Guenther <rguenther@suse.de>
4308 PR tree-optimization/28230
4309 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4310 to the correct place.
4312 2006-10-11 Richard Guenther <rguenther@suse.de>
4315 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4318 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4320 * configure.ac: Added pdf to "Make-hooks"
4321 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4322 targets and *.pdf file patterns in cleanup targets.
4323 * configure: Regenerated.
4325 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4327 * config/avr/predicates.md: New file.
4328 * config/avr/avr.md: Include it.
4329 (REG_SP): New constant.
4330 (peepholes): Use predicates.
4331 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4332 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4333 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4335 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4337 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4340 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4343 * builtins.c (var_decl_component_p): New function.
4344 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4345 single entry optimization to variables and components thereof.
4347 2006-10-10 Richard Guenther <rguenther@suse.de>
4349 PR rtl-optimization/29323
4350 * except.c (set_nothrow_function_flags): For functions
4351 that do not bind local bail out early.
4353 2006-10-10 Ben Elliston <bje@au.ibm.com>
4355 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4358 2006-10-09 Richard Henderson <rth@redhat.com>
4360 Revert emutls patch.
4362 2006-10-09 Richard Guenther <rguenther@suse.de>
4365 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4368 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4371 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4372 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4373 * configure: Regenerate.
4374 * config.in: Regenerate.
4376 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4378 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4380 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4382 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4383 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4384 Remove stray newline.
4386 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4388 * config/mips/mips.c (mips_classify_symbol): Do not return
4389 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4390 (mips_in_small_data_p): Tweak comments.
4392 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4394 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4396 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4398 * gimplify.c, sched-int.h: Fix comment typos.
4400 * sched-int.h: Fix comment typos.
4402 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4404 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4406 * sched-ebb.c (begin_schedule_ready): Use them.
4407 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4408 add_to_speculative_block, create_check_block_twin, speculate_insn,
4409 fix_jump_move, move_block_after_check): Ditto.
4410 * sched-rgn.c (new_ready): Ditto.
4412 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4414 PR rtl-optimization/29128
4415 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4416 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4417 allow interblock movement of speculation checks.
4419 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4422 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4423 casted to integer type.
4424 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4425 if they are significantly more expensive than [reg + index] ones.
4427 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4429 PR tree-optimization/29330
4430 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4431 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4432 on newly allocated ddrs.
4433 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4434 to VEC (loop_p, heap) pointer.
4435 (compute_data_dependences_for_loop): Adjust caller.
4436 (free_dependence_relations): Free DDR_LOOP_NEST.
4438 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4439 free DEPENDENCE_RELATIONS and DATAREFS.
4442 * builtins.c (expand_builtin_sync_operation,
4443 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4444 Use convert_to_mode to handle promoted arguments.
4446 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4448 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4450 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4452 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4454 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4456 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4457 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4458 Use <modeconstraint> instead of "r" as operand 1 constraint.
4460 2006-10-06 Olivier Hainque <hainque@adacore.com>
4462 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4463 Don't recurse on the pointed-to type.
4464 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4465 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4466 types with components of variable size.
4468 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4470 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4472 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4474 PR tree-optimization/29290
4475 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4479 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4480 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4483 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4484 the number of vector elements fill the rest with zeros.
4486 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4488 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4489 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4492 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4494 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4495 unnamed pattern into subsi3. Use correct constraints/predicates.
4496 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4497 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4499 2006-10-05 Ira Rosen <irar@il.ibm.com>
4501 * doc/loop.texi: Add data references analysis description.
4503 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4505 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4507 2006-10-04 Richard Henderson <rth@redhat.com>
4508 Jakub Jelinek <jakub@redhat.com>
4510 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4511 * builtin-types.def (BT_WORD): Make unsigned.
4512 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4513 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4514 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4515 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4516 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4517 * cgraph.c (decide_is_variable_needed): Look at force_output.
4518 Recurse for emulated tls.
4519 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4520 checks redundant with decide_is_variable_needed.
4521 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4522 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4524 * expr.c (emutls_var_address): New.
4525 (expand_expr_real_1): Expand emulated tls.
4526 (expand_expr_addr_expr_1): Likewise.
4527 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4528 * output.h (emutls_finish): Declare.
4529 * toplev.c (compile_file): Call it.
4530 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4531 address before wrapping in CONST.
4532 * varasm.c (emutls_htab, emutls_object_type): New.
4533 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4534 (get_emutls_object_name, get_emutls_object_type): New.
4535 (get_emutls_init_templ_addr, emutls_decl): New.
4536 (emutls_common_1, emutls_finish): New.
4537 (assemble_variable): When emulating tls, swap decls; generate
4538 constructor for the emutls objects.
4539 (do_assemble_alias): When emulating tls, swap decl and target name.
4540 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4542 * emutls.c: New file.
4543 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4544 tls_object for real tls.
4546 2006-10-04 Zack Weinberg <zackw@panix.com>
4548 Fix bug in constraint-check generator, reported by Rask Ingemann
4550 * genpreds.c (add_constraint): Don't remove anything from the
4552 (write_tm_constrs_h): Detect whether "op" argument is used, and
4553 mark it ARG_UNUSED if it isn't.
4554 (write_insn_const_int_ok_for_constraint): Skip the part of the
4555 expression that would test whether "op" (which is not available
4556 here) is a CONST_INT.
4558 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4561 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4563 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4565 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4566 current Leopard versions.
4567 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4569 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4571 * doc/install.texi: Fix typos.
4573 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4575 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4576 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4577 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4579 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4581 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4582 arg to be struct mach_header_64* instead.
4584 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4587 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4588 side effects after the outer expression's post side effects.
4590 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4592 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4593 comments to reflect actual behavior and relationship between
4594 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4596 * doc/c-tree.texi (Working with declarations): Fix documentation
4597 of FIELD_DECL likewise.
4599 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4602 * doc/extend.texi: Add used variable attribute description.
4604 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4607 * c.opt (Woverride-init): New.
4608 * c-opts.c (c_common_post_options): Default warn_override_init to
4610 * c-typeck.c (add_pending_init, output_init_element): Warn for
4611 overriding initializers without side effects.
4612 * doc/invoke.texi (-Woverride-init): Document.
4615 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4617 PR rtl-optimization/28096
4618 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4619 assignment has already been used as a destination earlier in the block.
4621 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4623 * builtins.c (expand_builtin_setjmp): Delete.
4624 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4625 <BUILT_IN_SETJMP_SETUP>: New case.
4626 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4627 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4628 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4629 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4630 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4631 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4632 (lower_function_body): Initialize it to false. If it is set to true
4633 at the end of the processing, emit the setjmp dispatcher.
4634 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4635 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4636 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4637 on the rhs of the assignment.
4638 (lower_builtin_setjmp): New function.
4639 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4640 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4641 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4642 to detect calls that can go to non-local labels. Use specific
4643 helper to create the abnormal edges associated with them.
4644 <MODIFY_EXPR>: Likewise.
4645 (make_abnormal_goto_edges): New function extracted from...
4646 (make_goto_expr_edges): ...here. Call it for computed gotos.
4647 (simple_goto_p): Minor tweak.
4648 (tree_can_make_abnormal_goto): New predicate.
4649 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4650 (tree_purge_dead_abnormal_call_edges): New function.
4651 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4652 (tree_purge_dead_abnormal_call_edges): Likewise.
4653 (make_abnormal_goto_edges): Likewise.
4654 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4655 Purge all dead abnormal edges if the call was in the last statement.
4656 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4657 (execute_fixup_cfg): If there are non-local labels in the function,
4658 scan the basic blocks and split them at calls that can go to non-local
4659 labels or add missing abnormal call edges. Write down the CFG in the
4661 (pass_fixup_cfg): Remove TODO_dump_func flag.
4662 * unwind-sjlj.c: Poison setjmp.
4663 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4664 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4665 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4666 (DONT_USE_BUILTIN_SETJMP): Document it.
4668 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4671 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4672 to 1 when __ppc64__ is defined.
4673 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4675 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4677 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4679 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4680 * config/ia64/unwind-hpux.c: Delete.
4682 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4684 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4685 on the element before gimplifying it, instead of punting if it is of
4688 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4690 * doc/loop.texi: New file.
4691 * doc/gccint.texi: Reference loop.texi.
4692 * Makefile.in (loop.texi): Add.
4694 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4696 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4698 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4699 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4701 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4703 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4705 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4707 * doc/install.texi: Document required versions of GMP and MPFR.
4709 2006-09-27 Paul Brook <paul@codesourcery.com>
4712 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4714 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4716 * reload1.c (alter_reg): Require the alignment of the stack slot to
4717 be at least reg_max_ref_width bytes.
4718 (scan_paradoxical_subregs): Record the largest width in
4721 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4725 * tree-nested.c (struct nesting_info): Added static_chain_added.
4726 (convert_call_expr): Set static_chain_added when adding static
4727 chain. Handle OMP_PARALLEL and OMP_SECTION.
4729 2006-09-25 Matthias Klose <doko@debian.org>
4731 * doc/invoke.texi: Add missing full stop.
4733 2006-09-25 Richard Henderson <rth@redhat.com>
4735 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4736 before cgraph_function_flags_ready.
4738 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4739 Adam Nemet <anemet@caviumnetworks.com>
4741 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4742 determine_common_wider_type): New functions.
4743 (get_computation_aff): Use them to simplify arithmetic between
4744 UBASE and CBASE if they are shortened from the same type.
4746 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4749 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4750 -2147483647 - 1 instead of 0x80000000.
4752 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4754 * flags.h (HONOR_NANS): Fix typo in comment.
4756 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4758 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4760 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4764 * tree.c (merge_attributes, attribute_list_contained): If both
4765 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4767 * c-typeck.c (comptypes_internal): Don't consider aggregates
4768 in different TUs as compatible if there one set of attributes is
4769 not a subset of the other type's attributes.
4770 (composite_type): Try harder not to create a new aggregate type.
4772 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4774 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4775 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4776 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4777 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4778 than replicating condition above.
4779 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4781 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4782 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4783 the linker by default.
4785 2006-09-22 Mike Stump <mrs@apple.com>
4787 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4790 2006-09-22 Richard Guenther <rguenther@suse.de>
4793 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4794 sort of stack variables stable.
4796 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4799 * explow.c (force_reg): Set REG_POINTER flag according to
4802 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4804 PR tree-optimization/28888
4805 * tree-if-conv.c (combine_blocks): Rewritten.
4806 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4807 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4809 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4811 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4814 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4816 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4818 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4820 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4822 2006-09-21 Roger Sayle <roger@eyesopen.com>
4825 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4826 dw_fde_current_label, to be the start of the function, i.e. the same
4827 value as dw_fde_begin.
4829 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4831 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4832 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4833 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4834 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4835 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4836 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4837 (abs<mode>2, neg<mode>2): Likewise.
4838 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4839 (*mips_abs_ps): New define_insn.
4841 2006-09-20 Josh Conner <jconner@apple.com>
4844 * calls.c (expand_call): Allow reuse of structure return stack
4847 2006-09-20 Paul Brook <paul@codesourcery.com>
4849 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4852 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4854 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4855 clean up terminology.
4857 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4860 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4861 with tablejumps in them.
4863 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4866 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4867 wrap it into TARGET_EXPR.
4869 2006-09-20 Eric Christopher <echristo@apple.com>
4871 * config/i386/i386.c (x86_fisttp): Remove.
4872 * config/i386/i386.h (x86_fisttp): Ditto.
4873 (TARGET_FISTTP): Ditto.
4875 2006-09-19 Eric Christopher <echristo@apple.com>
4877 * doc/tm.texi (OBJC_JBLEN): Describe.
4878 * config/i386/darwin.h (OBJC_JBLEN): Define.
4879 * config/rs6000/darwin.h: Ditto.
4881 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4883 PR rtl-optimization/21299
4884 * reload1.c (reload): Purge invalid ASMs in the final pass.
4886 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4889 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4890 pointers as legitimate constants.
4892 2006-09-19 Paul Brook <paul@codesourcery.com>
4895 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4897 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4899 PR tree-optimization/28887
4900 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4901 component parts from the reference.
4902 (gather_memory_references_ref): Record the reference without the
4903 nonaddressable component parts.
4905 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4908 * c-opts.c (c_common_handle_option): Ignore the -std options
4909 if the input language is assembly.
4911 2006-09-17 Ira Rosen <irar@il.ibm.com>
4914 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4916 (ptr_ptr_may_alias_p): Likewise.
4917 (record_record_differ_p): New function.
4918 (base_object_differ_p): Call record_record_differ_p.
4920 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4923 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4924 away for the expr argument.
4926 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4929 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4930 before using it for dumping after vectorizing loops.
4932 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4933 Jack Howarth <howarth@bromo.med.uc.edu>
4936 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4937 skip on error_mark_node.
4938 (rs6000_darwin64_record_arg_recurse): Likewise.
4940 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4942 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4943 * doc/rtl.texi: Remove related documentation.
4945 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4947 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4950 2006-09-15 Jim Wilson <wilson@specifix.com>
4952 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4953 Handle symbol offsets same as they are handled in ia64_expand_move
4956 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4958 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4959 Add forgotten parameter to the fprintf call.
4961 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4963 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4965 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4967 * doc/contrib.texi: Add my entry.
4969 2006-09-15 Nick Clifton <nickc@redhat.com>
4971 * doc/md.texi (Processor pipeline description): Fix typo in
4972 example of how to use the absence_set directive and reword the
4973 description to make it slightly easier to read.
4975 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4977 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4978 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4979 expanding the number of iterations.
4980 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4982 * cfgrtl.c (emit_insn_at_entry): New function.
4983 * rtl.h (emit_insn_at_entry): Declare it.
4984 * integrate.c (emit_initial_value_sets): Use it.
4986 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
4988 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
4990 (struct loop_work and related VEC declarations): Delete.
4991 (bfin_dump_loops): Print out new member bad.
4992 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
4993 (bfin_scan_loop): Don't recurse.
4994 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
4995 loops. No longer need to update outer loops if the current one is
4996 found bad. Move some validitiy checks to bfin_discover_loop.
4997 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
4998 but changed not to check for nesting. Also changed to use the new bad
5000 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5001 time. Use bitmap based test to discover loop nesting.
5003 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5005 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5008 2006-09-14 Richard Guenther <rguenther@suse.de>
5009 Kazu Hirata <kazu@codesourcery.com>
5011 PR middle-end/28884.
5012 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5013 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5014 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5015 with TARGET_FUNCTION_VALUE.
5017 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5020 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5022 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5024 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5027 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5030 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5033 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5035 * basic_block.h (bb_has_eh_pred): Fix comment.
5037 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5039 * flow.c (calculate_global_regs_live): Invalidate eh registers
5040 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5041 (propagate_block): Handle eh registers as if they were set at basic
5043 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5045 * global.c (global_conflicts): Make eh registers to conflict with
5046 pseudos live at basic block begin.
5047 * basic_block.h (bb_has_eh_pred): New function.
5049 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5051 PR rtl-optimization/28982
5052 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5053 index of a PRE_MODIFY or POST_MODIFY address.
5054 * reload1.c (inc_for_reload): Use find_replacement on the original
5055 base and index registers.
5057 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5059 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5060 for -Os. Update __m128 alignment requirement.
5062 2006-09-13 Jan Hubicka <jh@suse.cz>
5064 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5066 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5068 PR rtl-optimization/28243
5069 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5070 the insn to which the note was originally attached.
5072 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5073 Roger Sayle <roger@eyesopen.com>
5075 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5076 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5077 on platforms that don't use dwarf for debug info.
5079 2006-09-12 Jason Merrill <jason@redhat.com>
5082 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5083 hard_frame_pointer_rtx after using it to update the frame pointer.
5085 2006-09-12 Roger Sayle <roger@eyesopen.com>
5087 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5088 (TARGET_ASM_CLOSE_PAREN): Likewise.
5089 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5090 (TARGET_ASM_CLOSE_PAREN): Likewise.
5092 2006-09-12 Roger Sayle <roger@eyesopen.com>
5095 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5096 frame information for frames larger than 512 Kbytes on Tru64 when
5097 using the native assembler.
5099 2006-09-12 Roger Sayle <roger@eyesopen.com>
5103 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5104 and symbols. Instead use the implementation from cse.c's hash_rtx.
5106 2006-09-12 Jan Hubicka <jh@suse.cz>
5108 PR rtl-optimization/28071
5109 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5110 (vect_transform_loop): Likewise.
5111 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5112 (new_loop_vec_info): Likewise.
5113 (destroy_loop_vec_info): Likewise.
5114 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5115 (create_stmt_ann): Likewise.
5116 (create_tree_ann): Rename to ...
5117 (create_tree_common_ann): ... this one; allocate only the common part
5119 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5120 (get_value_handle): Likewise.
5121 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5122 get_tree_common_ann.
5123 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5124 (vinfo_for_stmt): Use stmt annotations.
5125 * tree-flow.h (tree_ann_common_t): New type.
5126 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5127 (tree_ann, get_tree_ann, create_tree_ann): New.
5128 * tree-flow-inline.h (get_function_ann): Do more type checking.
5129 (stmt_ann): Likewise.
5130 (tree_ann): Rename to ...
5131 (tree_common_ann): ... this one; return ony common_ann
5132 (get_tree_ann): Rename to ...
5133 (tree_common_ann): This one; return only common_ann.
5134 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5137 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5139 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5140 with_cpu by default.
5142 * dwarf2out.c (dwarf_file_data): New.
5143 (enum dw_val_class): Add dw_val_class_file.
5144 (struct dw_val_struct): Add val_file.
5145 (file_table): Change to a hash table.
5146 (file_table_emitted): Delete.
5147 (file_table_last_lookup_index): Delete.
5148 (emitcount): Delete.
5149 (last_emitted_file): New.
5150 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5151 (init_file_table): Delete.
5152 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5153 (AT_addr): Add comment.
5157 (print_die): Handle dw_val_class_file.
5158 (print_dwarf_line_table): Update for new file table structure.
5159 (attr_checksum): Do checksum a filename.
5160 (same_dw_val_p, same_attr_p): Do compare a filename.
5161 (size_of_die): Handle dw_val_class_file.
5162 (value_format): Likewise.
5163 (output_die): Likewise. Also, call maybe_emit_file here.
5164 (struct file_info): Constify filenames. Make file_idx a pointer
5165 to a struct dwarf_file_data.
5166 (struct dir_info): Constify directory names. Remove 'used' field.
5167 (struct file_name_acquire_data): New.
5168 (file_name_acquire): New.
5169 (output_file_names): Modify to handle new file data structures.
5170 (add_src_coords_attributes): Use add_AT_file.
5171 (add_call_src_coords_attributes): Likewise.
5172 (dwarf2out_imported_module_or_decl): Likewise.
5173 (gen_subprogram_die): Modify for new file data structures.
5174 (gen_variable_die): Likewise.
5175 (file_table_eq): New.
5176 (file_table_hash): New.
5177 (file_table_last_lookup): New.
5178 (lookup_filename): Rewrite to handle new file data structures.
5179 (maybe_emit_file): Rewrite to handle new file data structures.
5180 (dwarf2out_source_line): Always call lookup_filename and
5182 (dwarf2out_init): Create file_table here.
5183 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5184 (file_table_relative_p): New.
5185 (dwarf2out_finish): Change detection of relative filenames
5186 to work with new file data structures. Move output_line_info call
5187 after debug_info output.
5189 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5194 * config/i386/i386.c (override_options): Always default to 16
5195 byte stack boundary.
5197 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5200 * var-tracking.c (dump_dataflow_set): Start dumping at
5202 (clobber_variable_part): Kill only the variable part in
5203 registers holding it, leaving other variables alone.
5205 2006-09-11 Josh Triplett <josh@freedesktop.org>
5207 * doc/extend.texi (Other Builtins): Actually use the macro
5208 argument in the documentation example for
5209 __builtin_types_compatible_p.
5211 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5213 PR rtl-optimization/28726
5214 * sched-deps.c (sched_analyze_reg): New function extracted from...
5215 (sched_analyze_1): ...here. Call it to analyze references to
5216 registers. Treat again writes to a stack register as writing to the
5218 (sched_analyze_2): ...and here. Call it to analyze references to
5219 registers. Treat again reads of a stack register as reading the
5222 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5223 David Edelsohn <edelsohn@gnu.org>
5226 * config/rs6000/spe.md (frob_df_di): Remove %H.
5227 (frob_di_df): Remove %H. Change evmergelo to mr.
5228 (frob_di_df_2): Remove %H. Change evldd to two loads.
5230 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5232 * doc/cpp.texi: Fix names of charset options.
5234 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5237 * config/i386/i386.c (override_options): Use 128-bit
5238 stack boundary always for 64bits.
5240 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5242 PR rtl-optimization/28636
5243 * combine.c (force_to_mode): Test for side-effects before
5244 substituting by zero.
5245 (simplify_shift_const): Likewise for zero or other constants.
5247 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5250 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5253 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5256 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5257 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5258 returned by mode_for_size, rather than the mode of src itself,
5259 to choose between 32-bit and 64-bit patterns.
5260 (mips_mem_fits_mode_p): New function.
5261 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5262 that the size of the source matches the size of the destination.
5263 (mov_<store>l, mov_<store>r): Likewise.
5265 2006-09-10 Eric Christopher <echristo@apple.com>
5267 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5270 2006-09-09 Eric Christopher <echristo@apple.com>
5273 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5276 2006-09-09 Roger Sayle <roger@eyesopen.com>
5277 Nicolas Setton <setton@adacore.com>
5279 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5281 2006-09-10 Andreas Schwab <schwab@suse.de>
5283 * config/m68k/m68k.md (bungt_rev): New pattern.
5285 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5286 Dale Johannesen <dalej@apple.com>
5289 * regclass.c (struct reg_pref): Update documentation.
5290 (regclass): Set prefclass to NO_REGS if memory is the best option.
5291 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5293 2006-09-08 Eric Christopher <echristo@apple.com>
5295 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5296 * config/t-slibgcc-darwin: Support x86_64 multilib.
5297 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5298 Return 1 for x86_64-darwin.
5299 * config/i386/t-darwin: Add m64 multilib.
5300 (LIB2_SIDITI_CONV_FUNCS): Use.
5301 (LIB2FUNCS_EXTRA): Ditto.
5302 * config/i386/darwin.h: Support x86_64.
5303 * config/i386/i386.c (override_options): Turn on flag_pic
5304 for x86_64-darwin. Disable flag_omit_pointer.
5305 (get_pc_thunk_name): Assert !TARGET_64BIT.
5306 (legitimate_address_p): Disable machopic addressing for
5308 (legitimize_pic_address): Ditto.
5309 (ix86_expand_move): Ditto.
5310 (ix86_expand_call): Ditto.
5311 (machopic_output_stub): Ditto.
5312 * config/darwin.c (machopic_select_section): Support literal16.
5313 (machopic_select_rtx_section): Ditto.
5314 * config/darwin-sections.def: Ditto.
5315 * config/darwin-64.c: New.
5317 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5320 * c-tree.h (struct c_arg_info): Add pending_sizes.
5321 * c-parser.c (c_parser_parms_declarator,
5322 c_parser_parms_list_declarator): Initialize pending_sizes.
5323 * c-decl.c (get_parm_info): Initialize pending_sizes.
5324 (get_parm_info): Set pending_sizes.
5325 (grokdeclarator): Call put_pending_sizes for parameters for
5326 function definition only.
5328 2006-09-07 Jason Merrill <jason@redhat.com>
5331 * varasm.c (output_constant): Only strip actual no-op conversions.
5334 * config/i386/i386.c (override_options): Use 128-bit
5335 stack boundary if -msse.
5337 2006-09-07 Eric Christopher <echristo@apple.com>
5339 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5341 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5344 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5346 * dwarf2out.c: Remove strange characters from comment above
5347 dwarf2out_frame_debug_expr.
5349 2006-09-07 Eric Christopher <echristo@apple.com>
5351 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5352 * config/darwin.h: ... to here.
5354 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5356 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5358 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5359 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5361 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5362 TARGET_PARTIAL_FLAG_REG_STALL.
5363 (*ashldi3_cconly_rex64): Likewise.
5364 (*ashlsi3_cmp): Likewise.
5365 (*ashlsi3_cconly): Likewise.
5366 (*ashlsi3_cmp_zext): Likewise.
5367 (*ashlhi3_cmp): Likewise.
5368 (*ashlhi3_cconly): Likewise.
5369 (*ashlqi3_cmp): Likewise.
5370 (*ashlqi3_cconly): Likewise.
5371 (*ashrdi3_cmp_rex64): Likewise.
5372 (*ashrdi3_cconly_rex64): Likewise.
5373 (*ashrsi3_cmp): Likewise.
5374 (*ashrsi3_cconly): Likewise.
5375 (*ashrsi3_cmp_zext): Likewise.
5376 (*ashrhi3_cmp): Likewise.
5377 (*ashrhi3_cconly): Likewise.
5378 (*ashrqi3_cmp): Likewise.
5379 (*ashrqi3_cconly): Likewise.
5380 (*lshrdi3_cmp_rex64): Likewise.
5381 (*lshrdi3_cconly_rex64): Likewise.
5382 (*lshrsi3_cmp): Likewise.
5383 (*lshrsi3_cconly): Likewise.
5384 (*lshrsi3_cmp_zext): Likewise.
5385 (*lshrhi3_cmp): Likewise.
5386 (*lshrhi3_cconly): Likewise.
5387 (*lshrqi2_cmp): Likewise.
5388 (*lshrqi2_cconly): Likewise.
5390 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5393 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5394 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5395 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5396 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5397 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5398 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5399 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5400 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5401 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5402 implement only CC setting effects of shift instructions.
5404 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5406 * doc/contrib.texi: Add myself.
5408 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5411 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5412 was set by the user.
5414 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5417 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5418 (divsi_inv_m1): Use them.
5419 (UNSPEC_DIV_INV_TABLE): New constant.
5421 2006-09-06 James E Wilson <wilson@specifix.com>
5424 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5425 then call count_or_remove_death_notes.
5427 2006-09-06 Jason Merrill <jason@redhat.com>
5430 * tree-inline.c (copy_result_decl_to_var): New fn.
5431 (declare_return_variable): Use it. Call declare_inline_vars here.
5432 (expand_call_inline): Not here.
5434 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5436 * doc/contrib.texi: Update my entry.
5438 2006-09-06 Nick Clifton <nickc@redhat.com>
5440 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5442 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5445 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5446 (canonicalize_induction_variables): Likewise.
5447 (tree_unroll_loops_completely): Likewise.
5448 (tree_ssa_prefetch_arrays): Likewise.
5449 (remove_empty_loops): Likewise.
5450 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5451 TODO_cleanup_cfg instead of directly calling
5452 cleanup_tree_cfg_loop.
5453 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5455 (tree_unroll_loops_completely): Likewise.
5456 (remove_empty_loops): Likewise.
5457 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5458 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5459 of tree_ssa_unswitch_loops.
5460 (tree_ssa_loop_ivcanon): Use the return value of
5461 canonicalize_induction_variables.
5462 (tree_ssa_empty_loop): Use the return value of
5464 (tree_complete_unroll): Use the return value of
5465 tree_unroll_loops_completely.
5466 (tree_ssa_loop_prefetch): Use the return value of
5467 tree_ssa_prefetch_arrays.
5468 * passes.c (execute_todo): Before Cleanup CFG, set
5469 updating_used_alone and after cleanup CFG, call
5470 recalculate_used_alone.
5472 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5475 * tree-vect-transform.c (vectorizable_condition): Move the check
5476 for the type after the check for simple condition.
5478 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5479 Kaz Kojima <kkojima@gcc.gnu.org>
5482 * mode-switching.c (optimize_mode_switching): Make the destination
5483 block of an abnormal edge have no anticipatable mode. Don't
5484 insert mode switching code at the end of the source block of
5487 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5489 PR rtl-optimization/26847
5490 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5491 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5492 (simplify_plus_minus): Count n_constants while filling ops. Replace
5493 qsort with insertion sort. Before going through the array to simplify
5494 pairs, sort it. Delay early exit until after the first sort, exiting
5495 only if no swaps occurred. Simplify pairs in reversed order, without
5496 special-casing the first iteration. Pack ops after simplifying pairs.
5498 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5500 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5501 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5502 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5503 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5505 2006-09-05 Richard Guenther <rguenther@suse.de>
5507 PR tree-optimization/28900
5508 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5509 compound conditional before creating COND_EXPR condition.
5511 2006-09-05 Richard Guenther <rguenther@suse.de>
5513 PR tree-optimization/28905
5514 * tree-vrp.c (fix_equivalence_set): Manually implement
5515 !value_ranges_intersect_p to also handle symbolic ranges.
5517 2006-09-05 Richard Guenther <rguenther@suse.de>
5520 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5523 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5525 PR rtl-optimization/27616
5526 * cse.c (table_size): New static variable.
5527 (new_basic_block): Initialize it to 0.
5528 (remove_from_table): Decrement it.
5529 (insert): Increment it.
5530 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5531 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5532 fold_rtx_mem_1 if under the cap.
5533 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5534 the lookup of the equivalent expression and test for equality of the
5535 first operand of the equivalent expression before in turn looking up
5536 an equivalent constant for the second operand.
5538 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5541 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5542 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5543 pointer, instead of assuming it is possible to derive the
5544 correct args size from a call insn.
5546 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5549 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5550 (fold_builtin_mempcpy): Rename to...
5551 (fold_builtin_memory_op): ... this. Optimize one element copy
5553 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5555 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5556 (expand_builtin_memcpy, expand_builtin_mempcpy,
5557 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5558 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5559 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5560 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5562 2006-09-01 DJ Delorie <dj@redhat.com>
5564 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5565 (stzx_16): Likewise.
5566 ("stzx_24_<mode>"): Likewise.
5567 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5568 ("cmp<mode>_op"): New.
5569 (cmp<mode>): Change to expander; just save operands.
5571 (b<code>): Change to expander, emit compare here.
5572 (s<code>_op): Change to use split and expander.
5573 (s<code>_24_op): Likewise.
5574 (s<code>_<mode>): New.
5575 (s<code>_<mode>_24): New.
5576 (movqicc_<code>_<mode): New.
5577 (movhicc_<code>_<mode>): New.
5580 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5581 (m32c_pend_compare): New.
5582 (m32c_unpend_compare): New.
5583 (m32c_expand_scc): New.
5584 (m32c_expand_movcc): Emit the compare also.
5585 * config/m32c/predicates.md (mra_nopp_operand): New.
5587 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5588 Richard Guenther <rguenther@suse.de>
5589 Adam Nemet <anemet@caviumnetworks.com>
5592 * builtins.c (get_pointer_alignment): Handle more forms
5593 of base addresses that can be used to derive more precise
5594 information about alignment.
5596 2006-09-01 Jason Merrill <jason@redhat.com>
5599 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5602 * gimplify.c (voidify_wrapper_expr): Handle null type.
5604 2006-09-01 Josh Conner <jconner@apple.com>
5607 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5608 (execute_return_slot_opt): Use it.
5610 2006-08-31 Josh Conner <jconner@apple.com>
5613 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5614 returning aggregates.
5616 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5618 PR tree-optimization/28839
5619 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5620 blocks in that phi arguments appear.
5622 2006-08-31 Roger Sayle <roger@eyesopen.com>
5625 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5626 NULL, otherwise use an advance_loc4 to adjust relative to the
5628 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5629 (dwarf2out_switch_text_section): Reset the current label to avoid
5630 using advance_loc4 over section boundaries.
5632 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5635 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5636 r12 + SYMBOLIC_CONST.
5638 2006-08-30 Richard Guenther <rguenther@suse.de>
5640 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5642 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5644 PR rtl-optimization/27735
5645 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5646 Add new argument to keep track of whether an irreducible region
5647 was affected. All callers changed.
5648 (fix_irreducible_loops): Removed.
5649 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5650 flags were invalidated.
5652 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5654 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5655 instead of SF operands.
5656 (*fop_df_comm_sse): Likewise.
5657 (*fop_df_comm_i387): Likewise.
5658 (*fop_df_1_mixed): Likewise.
5659 (*fop_df_1_sse): Likewise.
5661 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5662 J"orn Rennecke <joern.rennecke@st.com>
5664 PR tree-optimization/17506
5665 * tree-ssa.c (warn_uninit): If warning about a location outside of
5666 the current function, note where the variable was declared.
5668 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5670 PR tree-optimization/28411
5671 * double-int.c (double_int_div): Use double_int_divmod.
5672 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5673 double_int_mod, double_int_smod, double_int_umod): New functions.
5674 * double-int.h (double_int_divmod, double_int_sdivmod,
5675 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5677 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5679 (get_computation_aff, get_computation_cost_at): Handle double_int
5680 return type of constant_multiple_of.
5682 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5685 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5686 an implicit conversion.
5688 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5690 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5692 2006-08-27 Roger Sayle <roger@eyesopen.com>
5694 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5697 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5699 * config/i386/crtfastmath.c: Fix a comment typo.
5701 2006-08-26 Roger Sayle <roger@eyesopen.com>
5703 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5704 temporary visit flags on CASE_LABEL_EXPRs.
5705 * c-common.c (match_case_to_enum): Add function comment. Avoid
5706 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5707 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5708 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5709 a constant, only warn if that constant value isn't handled.
5711 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5714 * input.h (restore_input_file_stack): Declare.
5715 (INPUT_FILE_STACK_BITS): Define.
5716 * toplev.c (fs_p, input_file_stack_history,
5717 input_file_stack_restored, restore_input_file_stack): New.
5718 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5719 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5720 (pop_srcloc): Don't free old state of stack.
5722 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5725 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5726 (PowerPC Type Attributes): New.
5728 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5730 * config/xtensa/xtensa.c (function_arg_boundary): New.
5731 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5733 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5734 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5736 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5739 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5742 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5744 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5745 (verify_local_live_at_start): Likewise.
5747 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5750 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5751 omp_add_variable): Treat sizes as variable whenever not
5754 2006-08-26 Richard Guenther <rguenther@suse.de>
5757 * fold-const.c (fold_binary): Fold temporary to correct
5758 type before constructing new comparison.
5760 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5763 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5764 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5766 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5769 * c-decl.c (start_function): Don't try to process prototype
5770 information from old declaration that isn't a function.
5772 2006-08-25 Jan Hubicka <jh@suse.cz>
5775 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5777 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5780 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5783 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5785 PR tree-optimization/16876
5786 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5787 exit if PARM doesn't match VALUE.
5789 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5791 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5792 literal_prefix directive.
5793 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5794 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5795 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5797 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5800 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5801 predicate to general_operand. Add 0->y and I->r alternatives.
5803 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5805 * doc/tm.texi: Fix a typo.
5806 * predict.c: Fix comment typos.
5808 2006-08-25 Nick Clifton <nickc@redhat.com>
5810 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5811 assertions of "cpu" and "machine".
5813 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5816 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5817 the access through a base which has an alias set of 0 cannot
5820 2006-08-24 Bill Wendling <wendling@apple.com>
5822 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5824 2006-08-24 Jan Hubicka <jh@suse.cz>
5826 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5828 2006-08-24 Jan Hubicka <jh@suse.cz>
5831 * cgraph.c: Fix comments.
5832 (cgraph_varpool_mark_needed_node): Mark only variables not already
5834 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5835 (cgraph_varpool_assembled_nodes_queue): New static variable.
5836 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5837 (cgraph_varpool_output_debug_info): New function.
5838 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5839 * Makefile.in: Add gt-cgraphunit.h
5841 2006-08-24 Jan Hubicka <jh@suse.cz>
5843 * predict.c (probability_reliable_p): New predicate.
5844 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5845 (predict_loops): Do not predict loop exit with less than 2%
5847 * basic-block.h (edge_probability_reliable_p,
5848 br_prob_note_reliable_p): Declare.
5849 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5850 prediction when static predictor is not reliable.
5851 * rs6000.c (output_cbranch): Likewise.
5853 2006-08-23 Stuart Hastings <stuart@apple.com>
5856 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5857 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5859 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5862 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5863 complex values, nor for generic vector values.
5865 2006-08-22 Richard Guenther <rguenther@suse.de>
5868 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5869 parameter. Convert arguments to arithmetic expression to the
5871 (analyze_scalar_evolution_1): Adjust caller.
5873 2006-08-22 Jan Hubicka <jh@suse.cz>
5875 Patch by Paolo Bonzini
5876 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5879 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5881 PR tree-optimization/28003
5882 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5883 before grouping aliases.
5885 2006-08-22 Roger Sayle <roger@eyesopen.com>
5887 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5888 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5890 2006-08-21 Jason Merrill <jason@redhat.com>
5893 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5894 wrapper. Loop to handle nested wrappers.
5895 (gimplify_bind_expr): Remove temp parameter.
5896 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5897 and STATEMENT_LIST on the rhs.
5898 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5899 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5900 (gimplify_target_expr): Remove special BIND_EXPR handling.
5902 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5904 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5907 2006-08-21 Olivier Hainque <hainque@adacore.com>
5909 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5910 Arrange for the temporary captures of components overlapping the lhs
5911 to happen before the lhs is possibly cleared.
5913 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5915 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5916 necessary places to pass the correct "number of registers" values
5919 2006-08-20 Jan Hubicka <jh@suse.cz>
5921 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5922 (create_name_tags): Instead of quadratic checking use hashtable.
5923 * bitmap.h: Include hashtab.h.
5924 (bitmap_hash): Declare.
5925 * bitmap.c (bitmap_hash): New function.
5927 2006-08-20 Jan Hubicka <jh@suse.cz>
5929 PR rtl-optimization/28071
5930 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5932 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5933 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5934 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5935 cgraph_decide_inlining_incrementally): Update use of
5936 cgraph_check_inline_limits.
5937 * cgraph.c (edge_hash, edge_eq): New function.
5938 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5939 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5940 cgraph_remove_node): Maintain call site hash.
5941 * cgraph.h (struct cgraph_node): Add call_site_hash.
5942 (cgraph_set_call_stmt): New function.
5944 2006-08-20 Jan Hubicka <jh@suse.cz>
5946 PR rtl-optimization/28071
5947 * reload1.c (reg_has_output_reload): Turn into regset.
5948 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5949 choose_reload_regs, emit_reload_insns): Update to new
5950 reg_has_output_reload.
5952 2006-08-20 Jan Hubicka <jh@suse.cz>
5955 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5956 function body sizes.
5957 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5959 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5962 * tree.c (handle_dll_attribute): Return early if not a
5963 var or function decl.
5965 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5968 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5969 alignment of SPE vector types.
5971 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5973 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5975 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5978 * cgraph.h (struct cgraph_node): Remove externally_visible
5980 * cgraphunit.c (process_function_and_variable_attributes): Set
5981 local.externally_visible rather than externally_visible.
5984 * c-common.c (handle_externally_visible_attribute): First look
5985 at TREE_CODE and only if it is function or var decl, check for
5986 non-public objects. Don't warn for DECL_EXTERNAL.
5987 * cgraphunit.c (process_function_and_variable_attributes): Warn
5988 if externally_visible attribute is used on non-public object.
5990 2006-08-17 Jan Hubicka <jh@suse.cz>
5992 PR tree-optimization/27865
5993 * reload1.c (forget_marked_reloads): New function.
5994 (forget_old_reloads_1): When data are passed, just mark the registers
5996 (reload_as_needed): Use the new mechanizm.
5998 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6001 * reload.h (reg_equiv_alt_mem_list): New declaration.
6002 * reload1.c (reg_equiv_alt_mem_list): New definition.
6003 (reload): Initialize it and release it.
6004 (delete_output_reload): Use it.
6005 * reload.c (push_reg_equiv_alt_mem): New function.
6006 (find_reloads_toplev): Call it.
6007 (find_reloads_address, find_reloads_address_1): Likewise.
6008 (find_reloads_subreg_address): Likewise.
6010 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6012 PR rtl-optimization/28489
6013 * sched-ebb.c (begin_schedule_ready): Create basic block
6015 (advance_target_bb): Skip empty blocks.
6016 * haifa-sched.c (bb_note): Make global.
6017 * sched-int.h (bb_note): Add prototype.
6019 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6021 PR tree-optimization/27865
6022 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6024 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6025 fold_used_pointer, pointer_used_p): New functions.
6026 (analyze_scalar_evolution_1): Use fold_used_pointer.
6027 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6028 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6031 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6034 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6035 or the INTEGER_CST. Fail on a CALL_EXPR.
6036 (fold_offsetof): Pass new argument to fold_offsetof_1.
6037 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6038 operand into an INDIRECT_REF.
6039 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6041 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6043 PR gcov/profile/26570
6044 * value-prof.c (static_values): Removed.
6045 (tree_find_values_to_profile): Do not set static_values.
6046 (find_values_to_profile): Do not free static_values.
6047 * profile.c (instrument_values): Do not free the values.
6048 (branch_prob): Free the values.
6050 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6052 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6054 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6057 * c-typeck.c (build_component_ref): Combine qualifiers of
6058 structure or union and field.
6060 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6062 PR rtl-optimization/28071
6063 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6064 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6065 * tree-into-ssa.c (struct dom_dfsnum): New.
6066 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6068 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6069 compute_global_livein.
6070 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6071 in phi nodes in the correct blocks.
6073 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6075 PR tree-optimization/28364
6076 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6078 (fold_affine_expr): New function.
6079 (may_eliminate_iv): Use fold_affine_expr.
6081 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6084 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6087 2006-08-16 Mike Stump <mrs@apple.com>
6089 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6090 * doc/cppopts.texi (-MD): Likewise.
6092 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6095 * c-common.c (handle_weak_attribute): Ignore and warn if
6096 not a FUNCTION_ or VAR_DECL.
6098 2006-07-15 Mike Stump <mrs@apple.com>
6101 * c-parser.c (c_parser_typeof_specifier): Don't use
6102 c_finish_expr_stmt, open code desired semantics instead.
6104 2006-08-15 Nick Clifton <nickc@redhat.com>
6106 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6107 fragment to tmake_file only if threads are enabled.
6108 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6109 * config/i386/t-gthr-win32: New file. ... here.
6111 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6114 * c-parser.c (c_parser_compound_statement_nostart): Reset
6115 parser->error after each statement.
6117 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6120 * omp-low.c (lower_omp_parallel): Convert t to
6121 receiver_decl's type.
6122 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6123 source before comparison.
6126 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6127 to itype in assignment to oldival2.
6129 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6133 * c-typeck.c (build_compound_expr): If the second expression
6134 is an error mark, then just return an error mark instead of
6135 creating a COMPOUND_EXPR.
6137 2006-07-14 Mike Stump <mrs@apple.com>
6139 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6141 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6143 * c-decl.c, var-tracking.c: Fix comment typos.
6145 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6147 PR rtl-optimization/28634
6148 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6149 for floating-point modes unless flag_unsafe_math_optimizations.
6151 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6152 Andrew Pinski <pinskia@physics.uc.edu>
6155 * tree.c (build_array_type): Unify array types with
6156 unspecified index_type.
6157 * c-decl.c (grokdeclarator): Make sure we do not modify a
6158 unified incomplete array type.
6159 * c-typeck.c (store_init_value): Create distinct type before
6160 filling in the index type in an initializer from a compound
6163 * c-decl.c (grokdeclarator): Remove code where we copy the
6166 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6168 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6169 into account for TODO_dump_cgraph.
6170 (TODO_update_ssa_no_phi): Likewise.
6171 (TODO_update_ssa_full_phi): Likewise.
6172 (TODO_update_ssa_only_virtuals): Likewise.
6173 (TODO_remove_unused_locals): Likewise.
6174 (TODO_set_props): Likewise.
6175 (TODO_update_stmt_usage): Likewise.
6177 2006-08-13 Dirk Mueller <dmueller@suse.de>
6179 * c-common.c (strict_aliasing_warning): Fix formatting.
6181 2006-08-13 Matthias Klose <doko@debian.org>
6183 * doc/invoke.texi: Fix spelling errors.
6185 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6187 PR rtl-optimization/23454
6188 * reorg.c (relax_delay_slots): Update comment.
6190 2006-08-11 Richard Guenther <rguenther@suse.de>
6193 * simplify-rtx.c (simplify_const_relational_operation):
6194 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6197 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6199 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6200 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6202 2006-08-10 Paul Brook <paul@codesourcery.com>
6204 * final.c (final_scan_insn): Clear current_insn_predicate before
6205 outputting inline asm.
6207 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6209 PR tree-optimization/26197
6210 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6211 get_ref_base_and_extent and overlap_subvar to add only relevant
6212 subvars as may-aliases.
6213 (add_may_alias_for_new_tag): New function, factored out of
6215 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6216 with additional argument.
6217 * tree-flow.h (new_type_alias): Takes additional argument.
6219 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6221 * gcov.c (no_data_file): New flag.
6222 (read_count_file): Set it if data file not present. Assume counts
6224 (output_lines): Don't name the data file, if there wasn't one.
6226 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6228 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6229 (rs6000_generate_compare): Tweak comments.
6230 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6232 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6234 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6235 (var_debug_decl): New function.
6236 (var_reg_set): Follow debug decl link. Add location even if
6237 reg is already known to hold some other variable.
6238 (var_mem_set): Follow debug decl link.
6239 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6240 decl link. Delete other known locations of the variable part
6242 (var_reg_delete, var_mem_delete): Delete other known locations
6243 of the variable part if requested.
6244 (same_variable_part_p): New function.
6245 (add_stores): Select MO_COPY when appropriate.
6246 (vt_initialize): Handle it.
6247 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6248 known locations for MO_SET and MO_CLOBBER.
6249 (find_variable_location_part): New function.
6250 (set_variable_part, delete_variable_part): Use it.
6251 (clobber_variable_part): New function.
6252 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6255 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6257 PR tree-optimization/26969
6258 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6259 with an empty list of PHIs.
6261 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6265 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6268 2006-08-06 Andreas Schwab <schwab@suse.de>
6270 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6271 string. Whitespace and comment fixup.
6273 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6276 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6280 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6283 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6285 2006-08-04 Jan Hubicka <jh@suse.cz>
6289 * reload.c (push_reload): Patch out the mismatching instruction;
6291 (find_reload): Bail out if the instruction was patched out.
6293 2006-08-04 Jan Hubicka <jh@suse.cz>
6295 PR tree-optimization/24888
6296 * tree-inline.c (expand_call_inline): Do not re-record variables.
6297 (declare_inline_vars): Add variable to unexpanded_var_list.
6299 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6300 Roger Sayle <roger@eyesopen.com>
6302 PR rtl-optimization/26244
6303 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6304 inner_const are negative or greater than or equal to the bitsize of
6305 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6306 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6307 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6308 CONST0_RTX (mode) when the new shift count is greater than or equal to
6309 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6312 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6314 * tree-cfg.c: Fix a comment typo.
6316 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6319 * varasm.c (output_constant): Give the front end another chance to
6320 expand constants, after stripping NOPs.
6322 2006-08-03 Jan Hubicka <jh@suse.cz>
6324 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6327 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6329 PR tree-optimization/27770
6330 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6331 declaration removed (moved to tree-flow.h).
6332 (vect_can_force_dr_alignment_p): Likewise.
6333 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6334 (moved from tree-vectorizer.h).
6335 (vect_can_force_dr_alignment_p): Likewise.
6336 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6337 from outside the vectorizer - in particular from cgraph stage.
6338 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6339 the alignment of global arrays when -fsection-anchors is enabled.
6340 * cgraphunit.c (cgraph_increase_alignment): New function.
6341 (cgraph_optimize): Call cgraph_increase_alignment.
6343 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6346 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6347 not reload a SPE symbol_ref into a lo_sum address.
6349 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6352 * dwarf2out.c (prune_unused_types_prune): Move call to
6353 prune_unused_types_update_strings to cover the parent DIE also.
6355 2006-08-02 Jan Hubicka <jh@suse.cz>
6357 PR gcov/profile/28480
6358 * tree-cfg.c (change_bb_for_stmt): New function.
6359 (tree_merge_blocks, tree_split_blocks): Use it.
6361 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6367 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6368 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6369 (cgraph_optimize): Likewise.
6371 2006-08-01 Stuart Hastings <stuart@apple.com>
6373 * rtl.h (UINTVAL) New.
6374 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6375 * testsuite/gcc.dg/20060801-1.c: New.
6377 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6380 * c-typeck.c (build_external_type): Mark used enum types.
6381 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6383 (gen_subprogram_die): Whitespace fix.
6385 2006-08-01 Jan Hubicka <jh@suse.cz>
6387 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6388 bitmap when not needed.
6389 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6392 2006-08-01 Dirk Mueller <dmueller@suse.de>
6394 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6396 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6398 * Makefile.in: Revert part of previous patch:
6399 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6402 2006-07-30 Eric Christopher <echristo@apple.com>
6405 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6406 (PowerPC Variable Attributes): New section.
6408 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6410 PR target/28126 (partial fix)
6411 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6413 2006-07-28 Jan Hubicka <jh@suse.cz>
6415 PR rtl-optimization/28071
6416 * cfgrtl.c (rtl_delete_block): Free regsets.
6417 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6419 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6421 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6422 and variables used in dependencies.
6424 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6426 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6427 %fs for -mcmodel=kernel.
6428 (stack_tls_protect_test_di): Likewise.
6430 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6432 * Makefile.in: Use mkinstalldirs.
6434 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6437 * opts-common.c (prune_options): Skip joined switches.
6439 2006-07-27 Jan Hubicka <jh@suse.cz>
6441 PR rtl-optimization/28071
6442 * cselib.c (cselib_process_insn): Don't remove useless values too
6443 often for very large hashtables.
6445 2006-07-27 Jan Hubicka <jh@suse.cz>
6447 PR rtl-optimization/28071
6448 * global.c (greg_obstack): New obstack.
6449 (allocate_bb_info): Use it.
6450 (free_bb_info): Likewise.
6451 (modify_reg_pav): Likewise.
6453 2006-07-27 Roger Sayle <roger@eyesopen.com>
6455 * builtins.c (fold_fixed_mathfn): When long and long long are the
6456 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6457 functions to their lceil*, lfloor*, lround* and lrint* forms.
6459 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6462 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6464 (rev_branch_insn): Likewise.
6466 2006-07-27 Jan Hubicka <jh@suse.cz>
6468 PR rtl-optimization/28071
6469 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6470 (reg_set_in_bb, max_reg_computed): New static variables.
6471 (regmove_optimize): Free the new array.
6472 (fixup_match_1): Update call of reg_is_remote_constant_p.
6474 2006-07-26 Jan Hubicka <jh@suse.cz>
6476 PR tree-optimization/27882
6477 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6479 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6481 (cgraph_analyze_compilation_unit): Likewise.
6482 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6483 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6484 (cgraph_early_inlinine): Make order garbage collected.
6485 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6487 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6489 * dbxout.c (output_types_sort): Add a comment.
6490 (output_used_types): Free the VEC.
6492 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6494 * function.c (reorder_fix_fragments): Delete.
6495 (reorder_blocks): Don't call it.
6496 (reorder_blocks_1): Put all subblocks under the origin block.
6498 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6500 PR rtl-optimization/27907
6501 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6504 2006-07-25 Roger Sayle <roger@eyesopen.com>
6507 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6508 bar(x) check that bar's result type can represent all the values of T.
6510 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6512 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6514 2006-07-25 Nick Clifton <nickc@redhat.com>
6516 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6517 size_lookup[] array.
6518 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6519 (ggc_pch_count_object): Likewise.
6520 (ggc_pch_alloc_object): Likewise.
6521 (ggc_pch_write_object): Likewise.
6522 (init_ggc): Do not attempt to initialize entries in the
6523 size_lookup[] array for objects whose size is greater than than
6524 the length of the array.
6526 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6528 * dbxout.c (output_used_types_helper): Push queued types
6530 (output_types_sort): New.
6531 (output_used_types): Collect used types on a VEC and sort them
6534 2006-07-24 Richard Guenther <rguenther@suse.de>
6537 * cgraph.c (cgraph_remove_node): Do not check if dumps
6539 * cgraphunit.c (cgraph_optimize): Likewise.
6541 2006-07-24 Jan Hubicka <jh@suse.cz>
6543 PR rtl-optimization/28071
6544 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6545 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6546 splitting before first stmt.
6548 2006-07-24 Jan Hubicka <jh@suse.cz>
6550 PR rtl-optimization/28071
6551 * ipa-inline.c (update_caller_keys): Remove edges that
6552 are no longer inline candidates.
6554 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6557 * dbxout.c (output_used_types_helper, output_used_types): New.
6558 (dbxout_symbol): Call output_used_types.
6560 2006-07-23 Jan Hubicka <jh@suse.cz>
6564 * cgraph.c (cgraph_varpool_nodes): Export.
6565 (decide_is_variable_needed): Ignored "used" attribute in
6566 unit-at-a-time mode.
6567 * cgraph.h (cgraph_varpool_nodes): Declare.
6568 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6569 unit-at-a-time mode.
6571 2006-07-23 Roger Sayle <roger@eyesopen.com>
6574 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6575 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6576 the __gthrw form of thr_keycreate.
6577 (__gthread_key_delete): Silence the unused argument warning.
6579 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6582 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6583 Cache the last found '\0' marker to avoid quadratic behavior.
6585 2006-07-23 Jan Hubicka <jh@suse.cz>
6587 * i386.md (subsi_3_zext): Fix output template.
6589 2006-07-21 Mike Stump <mrs@apple.com>
6591 * doc/invoke.texi (C++ Dialect Options): Note that
6592 -fvisibility-inlines-hidden doesn't affect explicitly
6593 instantiationed inline methods.
6595 2006-07-20 Roger Sayle <roger@eyesopen.com>
6597 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6598 if the target assembler is GNU binutils' gas.
6599 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6600 whether to pass GNU gas or native as command line options.
6602 2006-07-20 Jason Merrill <jason@redhat.com>
6604 * tree.c (remove_attribute): New fn.
6605 * tree.h: Declare it.
6607 2006-07-20 Paul Brook <paul@codesourcery.com>
6610 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6611 they are invalidated by this instruction.
6613 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6616 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6618 2006-07-20 Eric Christopher <echristo@apple.com>
6621 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6623 2006-07-19 Eric Christopher <echristo@apple.com>
6625 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6626 Rewrite dependencies for libgcc_s.1.dylib.
6628 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6630 * except.c (duplicate_eh_regions_1): Clear next_peer.
6632 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6634 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6635 -mlongcall does not guarantee all calls will be long.
6636 * doc/extend.texi (long_call/short_call): Document that longcall
6637 does not guarantee a long call will be used.
6638 (longcall/shortcall): Likewise.
6640 2006-07-18 Roger Sayle <roger@eyesopen.com>
6643 * expmed.c (expand_shift): Additionally check that the shift_cost
6644 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6645 before implementing a LSHIFT_EXPR as a sequence of additions.
6646 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6647 middle-end that DImode shifts need to be synthesized by expand.
6649 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6652 * tree-ssa-operands.c (access_can_touch_variable): Update
6654 Return true if ALIAS is .GLOBAL_VAR.
6656 2006-07-18 David Daney <ddaney@avtrex.com>
6658 * gcc.c (display_help): Fix typo in help text.
6660 2006-07-18 Olivier Hainque <hainque@adacore.com>
6662 * tree.h (categorize_ctor_elements): Adjust prototype and add
6663 descriptive comment, both in accordance with the interface change
6665 * varasm.c (constructor_static_from_elts_p): New function.
6666 Whether a constructor node is a valid static constant initializer
6667 if all its elements are.
6668 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6669 * output.h: Declare it.
6670 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6671 is a valid constant initializer instead of computing the number of
6672 non-constant elements. Use constructor_static_from_elts_p for this
6673 purpose. Replace the head comment with an indication that this is a
6674 helper for categorize_ctor_elements.
6675 (categorize_ctor_elements): Same interface change as for the _1
6676 helper. Former head comment from this helper moved here, adjusted to
6677 account for the interface changes.
6678 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6679 (all_zeros_p): Likewise.
6680 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6681 static versions of the constructor from the categorize_ctor_elements
6682 return value instead of the formerly computed number of non-constant
6685 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6687 * configure: Regenerate.
6688 * Makefile.in (build_libsubdir): New configure substitution
6689 (build_libobjdir): New variable.
6690 (BUILD_LIBIBERTY): Use it.
6692 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6695 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6697 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6700 * c-common.c (handle_weakref_attribute): Ignore attribute in
6701 the same conditions the alias attribute is ignored.
6703 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6705 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6706 (dbxout_begin_prologue): Increment scope_labelno.
6708 2006-07-17 Richard Henderson <rth@redhat.com>
6711 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6714 2006-07-17 Roger Sayle <roger@eyesopen.com>
6715 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6717 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6718 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6719 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6720 functions such as sbrk, write, etc.. Add function prototypes.
6721 Convert function declarations from K&R to ISO C. Cast pointers
6722 to "long" and "unsigned long" instead of "int" and "unsigned int".
6723 Convert tokens following #endif into comments.
6725 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6727 * invoke.texi: Remove mention of f77; Reformat table for
6728 inline parameter options correctly; mention that -malign-double
6729 is default on x86-64 targets.
6731 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6733 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6734 (convert_affine_scev, chrec_convert_aggressive): Use
6735 avoid_arithmetics_in_type_p. Do not check for the subtypes
6738 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6741 * optabs.c (expand_doubleword_shift): Wrap the call to
6742 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6744 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6747 * optabs.c (expand_binop): Pass next_methods rather than methods
6748 to expand_doubleword_shift.
6750 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6753 * tree.h (dump_addr): Declare.
6754 * print-tree.c (dump_addr): New function.
6755 (print_node_brief, print_node): Use it.
6756 * print-rtl.c (print_rtx): Likewise.
6757 * common.opt (-fdump-noaddr): New option.
6758 * doc/invoke.texi (-fdump-noaddr): Document.
6759 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6760 (ve_info_hash): Likewise.
6762 2006-07-13 Andrew Haley <aph@redhat.com>
6764 PR tree-optimization/19505
6765 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6766 edge leaving this block, make sure that the destination of this
6767 block has only one predecessor.
6769 2006-07-17 Richard Guenther <rguenther@suse.de>
6771 PR tree-optimization/28238
6772 * tree-inline.c (copy_bb): Check if we produced valid
6773 gimple copying and substituting a stmt. If not, gimplify
6776 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6778 * optabs.c (maybe_encapsulate_block): New function extracted from...
6779 (emit_libcall_block): ...here. Invoke it on the block of insns to
6780 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6781 (emit_no_conflict_block): Likewise.
6783 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6785 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6787 2006-07-15 Roger Sayle <roger@eyesopen.com>
6789 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6790 a new NOP_EXPR case of the switch statement.
6792 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6795 * stor-layout.c (place_field): Take the bit field with
6796 an excessive size into account in the ms-bitfiled case.
6799 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6800 the previous bit field.
6802 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6805 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6807 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6809 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6810 signal frames correctly even when the signal was installed with
6813 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6815 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6816 (dbxout_function_end): Use local label LFBB. Remove hook
6818 (dbxout_source_line): Use local label LFBB.
6819 (dbxout_block): Likewise.
6820 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6821 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6822 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6823 and DBX_OUTPUT_NFUN.
6825 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6827 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6829 2006-07-13 Jan Hubicka <jh@suse.cz>
6831 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6833 * output.h (align_variable): Declare.
6834 * varasm.c (align_variable): Export.
6835 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6836 when basic block changed.
6838 2006-07-13 Nick Clifton <nickc@redhat.com>
6840 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6841 walking the LOG_LINKS chain.
6843 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6845 * doc/invoke.texi (C++ Dialect Options): Explain difference
6846 between -fvisibility-inlines-hidden and setting hidden
6847 visibility explicitly.
6849 2006-07-12 Eric Christopher <echristo@apple.com>
6851 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6852 (stmp-lipo): Depend on libgcc.a.
6854 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6856 * tree.c: Fix a comment typo.
6858 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6860 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6862 (umulhisi3_r): Likewise.
6864 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6867 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6868 x < 19, vs wchar_t support.
6870 2006-07-12 Nick Clifton <nickc@redhat.com>
6872 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6873 instead of -isa=sh4.
6875 2006-07-12 Mike Stump <mrs@apple.com>
6877 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6879 2006-07-10 Eric Christopher <echristo@apple.com>
6881 * config/t-slibgcc-darwin: Rewrite.
6883 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6886 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6889 2006-07-08 Matthias Klose <doko@debian.org>
6891 * doc/sourcebuild.texi: Fix typo.
6893 2006-07-07 Mike Stump <mrs@apple.com>
6895 * toplev.c (process_options): Don't give -ffunction-sections may
6896 affect debugging warning for Mach-O.
6898 2006-07-07 James E Wilson <wilson@specifix.com>
6900 * config/mips/mips.md (cpu): Add sb1a.
6901 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6902 addition to sb1. Adjust comments to clarify SB-1A differences from
6904 (ir_sb1a_load): New. Modify bypasses to use it.
6905 (ir_sb1a_simple_alu): Likewise.
6906 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6907 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6908 (mips_issue_rate): Add PROCESSOR_SB1A.
6909 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6910 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6911 (TARGET_SB1): Add PROCESSOR_SB1A check.
6912 (TUNE_SB1): Likewise.
6914 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6915 * config/mips/mips.c (mips_store_data_bypass_p): New.
6916 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6917 store_data_bypass_p.
6919 2006-07-08 Paul Brook <paul@codesourcery.com>
6922 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6924 2006-07-07 Richard Guenther <rguenther@suse.de>
6927 * tree.h (build_one_cst): Declare.
6928 * tree.c (build_one_cst): New function.
6929 * tree-ssa-math-opts.c (get_constant_one): Remove.
6930 (insert_reciprocals): Use build_one_cst.
6931 * fold-const.c (fold_plusminus_mult): Likewise.
6933 2006-07-07 Roger Sayle <roger@eyesopen.com>
6935 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6936 * cfgloopanal.c (dump_graph): Likewise.
6937 * dojump.c (discard_pending_stack_adjust): Likewise.
6938 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6940 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6941 * function.c (finalize_block_changes): Likewise.
6942 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6943 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6944 * rtl.c (dump_rtx_statistics): Likewise.
6945 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6947 * varray.c (dump_varray_statistics): Likewise.
6948 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6949 decode_decimal64, encode_decimal128, decode_decimal128,
6950 decimal_real_to_decimal): Likewise.
6952 2006-07-07 Richard Guenther <rguenther@suse.de>
6954 PR tree-optimization/28187
6955 * tree-vrp.c (vrp_operand_equal_p): New function.
6956 (vrp_bitmap_equal_p): Likewise.
6957 (update_value_range): Use them to compare old and new
6960 2006-07-06 Roger Sayle <roger@eyesopen.com>
6962 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6963 a default case to switch statement to silence compiler warnings.
6965 2006-07-06 Roger Sayle <roger@eyesopen.com>
6968 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6969 the configured assembler supports the x87's ffreep mnemonic.
6970 * configure: Regenerate.
6971 * config.in: Regenerate.
6973 * config/i386/i386.c (output_387_ffreep): New function.
6974 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6975 (output_387_reg_move): Likewise.
6977 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6979 Port to hosts whose 'sort' and 'tail' implementations
6980 treat operands with leading '+' as file names, as POSIX
6981 has required since 2001. However, make sure the code still
6982 works on pre-POSIX hosts.
6983 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
6984 which says you should use "tail -c +N" rather than "tail +Nc".
6985 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
6987 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6989 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
6992 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6995 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
6996 PRE_{INC,DEC} of TFmode.
6998 2006-07-06 David Edelsohn <edelsohn@gnu.org>
6999 Alan Modra <amodra@bigpond.net.au>
7002 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7005 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7008 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7009 Remove duplicate gtu.
7011 2006-07-05 Jason Merrill <jason@redhat.com>
7015 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7016 * c-common.c (handle_packed_attribute): So don't copy it here.
7017 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7019 2006-07-05 Mike Stump <mrs@apple.com>
7021 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7023 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7026 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7028 2006-07-05 Richard Guenther <rguenther@suse.de>
7031 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7032 TARGET_SSE2 targets if using SSE math.
7033 (*absdf2_1): Likewise.
7035 2006-07-05 Richard Guenther <rguenther@suse.de>
7037 PR tree-optimization/28162
7038 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7039 make sure to convert the operands to the correct type.
7041 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7043 PR tree-optimization/28218
7045 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7046 to calculate and free the dominator information.
7048 2006-07-04 Peter O'Gorman <peter@pogma.com>
7050 * mklibgcc.in: chmod 644 before ranlib during install.
7052 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7053 J"orn Rennecke <joern.rennecke@st.com>
7055 * configure.ac (.eh_frame data check): Use diff -b.
7057 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7060 * Makefile.in (BUILD_RTL): Add build/vec.o.
7061 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7062 (build/genextract): Delete.
7063 (build/genautomata): Likewise.
7065 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7068 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7069 128-bit IBM long doubles for ABI_V4.
7071 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7073 * tree.c (range_in_array_bounds_p): New predicate.
7074 * tree.h (range_in_array_bounds_p): Declare it.
7075 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7076 return a less conservative answer.
7077 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7078 and flag 'is_group'.
7079 (IS_ELEMENT_FOR_GROUP): New macro.
7080 (FOR_EACH_ACTUAL_CHILD): Likewise.
7081 (next_child_for_group): New helper function.
7082 (can_completely_scalarize_p): Take into account groups.
7083 (sra_hash_tree): Handle RANGE_EXPR.
7084 (sra_elt_eq): Likewise.
7085 (lookup_element): Be prepared for handling groups.
7086 (is_valid_const_index): Delete.
7087 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7088 instead of is_valid_const_index.
7089 <ARRAY_RANGE_REF>: New case.
7090 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7091 is_valid_const_index.
7092 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7093 (scan_dump): Dump info for groups too.
7094 (decide_instantiation_1): Likewise.
7095 (decide_block_copy): Assert that the element is not a group.
7096 Propagate decision to groups.
7097 (generate_one_element_ref): Handle RANGE_EXPR.
7098 (mark_no_warning): Iterate over actual childs.
7099 (generate_copy_inout): Likewise.
7100 (generate_element_copy): Likewise.
7101 (generate_element_zero): Likewise.
7102 (generate_element_init_1): Likewise.
7103 (dump_sra_elt_name): Handle RANGE_EXPR.
7105 2006-07-03 Roger Sayle <roger@eyesopen.com>
7107 PR tree-optimization/26251
7108 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7109 (thread_block): When optimizing for size refuse to thread jumps
7110 that would require duplication of blocks other than redirection
7113 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7115 * configure.ac: Fix thinko in previous check-in.
7116 * configure: Regenerate.
7118 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7121 * configure.ac (for lang...): Simplify nesting of conditionals.
7122 Test subdir_requires for non-enabled languages. Move processing
7123 of lang_opt_files and lang_tree_fiels below that test.
7124 * configure: Regenerate.
7125 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7127 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7129 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7131 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7133 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7136 2006-06-29 Jason Merrill <jason@redhat.com>
7143 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7144 * c-common.c (c_determine_visibility): Handle it here.
7145 * c-decl.c (finish_decl): Call c_determine_visibility for
7147 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7149 * varasm.c (default_assemble_visibility): Likewise.
7150 * c-common.c (handle_visibility_attribute): Complain about trying
7151 to give visibility to an already defined class, or trying to change
7152 declared visibility. Always attach the attribute.
7157 * attribs.c (decl_attributes): Ignore type-in-place attributes
7158 once the type has been defined.
7160 2006-06-29 Roger Sayle <roger@eyesopen.com>
7163 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7164 to indicate the cpplib has issued an error message for us.
7166 2006-06-29 Asher Langton <langton2@llnl.gov>
7169 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7170 insert a label at the end of an function under Mach-O.
7172 2006-06-29 Eric Christopher <echristo@apple.com>
7173 Evan Cheng <evan.cheng@apple.com>
7175 * predicates.md (vector_all_ones_operand): New.
7176 (nonimmediate_or_sse_const_operand): Ditto.
7177 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7178 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7179 (standard_sse_mode_p): Ditto.
7180 (standard_sse_constant_p): Add case for -1 vector.
7181 (ix86_expand_vector_move): Try to use.
7182 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7183 Call standard_sse_constant_opcode.
7184 (*movv4sf_internal): Ditto.
7185 (*movv2df_internal): Ditto.
7187 2006-06-29 Roger Sayle <roger@eyesopen.com>
7189 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7190 of XEXP to extract the operands of a MATCH_CODE rtx.
7192 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7194 * tree.c (tree_size): Do not waste tail padding in
7195 struct tree_string and make the size be the same as
7196 build_string will generate.
7198 2006-06-28 Jason Merrill <jason@redhat.com>
7201 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7202 may_aliases already in the tag's annotations to the bitmap.
7204 2006-06-28 Roger Sayle <roger@eyesopen.com>
7206 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7208 2006-06-28 Roger Sayle <roger@eyesopen.com>
7210 * genpreds.c (generate_switch_p): New function.
7211 (add_mode_tests): Push the new mode test down inside an AND expr
7212 if this allows the switch-suitable MATCH_CODE to be near the root.
7213 (write_match_code_switch): New function to write a MATCH_CODE as
7215 (write_predicate_stmts): New function to write a predicate RTX
7216 expression as a sequence of statements.
7217 (write_one_predicate_function): Use write_predicate_stmts.
7218 (write_tm_constrs_h): Likewise.
7220 2006-06-26 Fred Fish <fnf@specifix.com>
7222 * config/mips/t-sb1: New file.
7223 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7226 2006-06-26 DJ Delorie <dj@redhat.com>
7228 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7230 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7231 Jayant Sonar <jayants@kpitcummins.com>
7232 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7234 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7235 (subsi3, subsi3_1, subsi3_2): New.
7236 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7237 * config/m32c/mov.md (SI mov peephole): New.
7238 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7239 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7241 2006-06-26 Olivier Hainque <hainque@adacore.com>
7243 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7244 a CALL_EXPR target function declaration.
7246 2006-06-26 Richard Guenther <rguenther@suse.de>
7248 * tree.c (build_string): Do not waste tail padding in
7251 2006-06-26 Richard Guenther <rguenther@suse.de>
7253 * ggc-page.c (init_ggc): Add missing element to size_lookup
7257 2006-06-23 Richard Guenther <rguenther@suse.de>
7259 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7260 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7261 alignment requests instead. Add verification code.
7262 Add struct tree_function_decl and struct tree_binfo size to
7263 extra_order_size_table. Add missing element to size_lookup
7266 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7269 * fold-const.c (const_binop): Be prepared for self returning zero.
7270 Simplify code handling complex values.
7272 2006-06-24 Olivier Hainque <hainque@adacore.com>
7274 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7275 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7278 2006-06-24 Olivier Hainque <hainque@adacore.com>
7280 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7281 ARRAY_REF, so have the callback called for the low bound expression.
7283 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7285 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7286 * c-typeck.c (c_common_type): Disallow operations on decimal float
7287 types and other float types.
7288 * convert.c (convert_to_real): Don't ignore conversions involving
7289 decimal float types.
7291 2006-06-23 Olivier Hainque <hainque@adacore.com>
7293 * tree.c (max_int_size_in_bytes): New function, inspired from
7294 code in function.c:assign_temp.
7295 * tree.h (max_int_size_in_bytes): Declare.
7296 * function.c (assign_temp): Use it.
7297 * gimplify.c (create_tmp_var): Relax the assertions on the type
7298 properties, not mandating constant size any more.
7299 (force_constant_size): New static function.
7300 (gimple_add_tmp_var): Use it, forcing variable size to a
7301 constant upper bound if it is not constant on entry.
7303 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7306 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7307 for initialization and setting of one_only flag to ...
7308 (i386_pe_encode_section_info): ...here.
7309 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7310 Recheck that the symbol has not been defined.
7312 2006-06-23 Richard Guenther <rguenther@suse.de>
7314 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7315 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7316 alignment requests instead. Add verification code.
7317 Add struct tree_function_decl and struct tree_binfo size to
7318 extra_order_size_table. Add missing element to size_lookup
7321 2006-06-22 Roger Sayle <roger@eyesopen.com>
7322 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7325 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7326 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7328 2006-06-23 Ben Elliston <bje@au.ibm.com>
7330 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7331 negate dn -- manipulate it directly.
7333 2006-06-22 Roger Sayle <roger@eyesopen.com>
7334 Steven Bosscher <stevenb.gcc@gmail.com>
7337 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7338 generated by gen_move_insn to add REG_LABEL notes if necessary.
7340 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7342 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7343 (leaf_entry): Remove use of MIN_ESA.
7345 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7347 PR rtl-optimization/28121
7348 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7351 2006-06-21 DJ Delorie <dj@redhat.com>
7353 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7355 (mulhisi3_r): Likewise.
7357 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7360 * coverage.c (coverage_counter_alloc): Leave the index type
7362 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7365 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7367 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7368 section from the "Options for Code Generation Conventions".
7370 2006-06-21 Richard Henderson <rth@redhat.com>
7374 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7376 (global_symbolic_operand): Allow weak symbols, even if local_p.
7378 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7380 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7381 (find_interesting_uses_address): Punt if above function returns true.
7383 2006-06-21 Richard Guenther <rguenther@suse.de>
7385 * configure: Regenerated.
7387 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7389 * config/mips/mips.c (function_arg): Where one part of a
7390 complex argument is in registers and the other part in the stack,
7391 return a REG not a PARALLEL.
7393 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7395 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7396 when cross-compiling. Do not substitute libstdcxx_incdir.
7397 * configure: Regenerated.
7399 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7401 * varasm.c (mergeable_string_section): Check for embedded NULs and
7402 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7403 rather than TREE_STRING_LENGTH bytes.
7405 2006-06-21 Richard Guenther <rguenther@suse.de>
7407 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7408 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7411 2006-06-21 Richrad Guenther <rguenther@suse.de>
7413 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7414 Limit iteration over the dominators.
7416 2006-06-20 Roger Sayle <roger@eyesopen.com>
7418 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7419 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7421 2006-06-20 Richard Guenther <rguenther@suse.de>
7422 Michael Matz <matz@suse.de>
7424 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7426 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7427 * et-forest.h (et_free_pools): Prototype new function.
7428 * et-forest.c (et_free_tree_force): Free parent occurrence.
7429 (et_free_pools): New function.
7430 * dominance.c (free_dominance_info): Free et-forest alloc
7433 2006-06-20 Roger Sayle <roger@eyesopen.com>
7435 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7436 integer modes, attempt to directly construct an integer constant.
7438 * fold-const.c (native_encode_vector): Determine the size of each
7439 element from the vector type instead of the first vector element.
7441 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7442 if all of its elements/components are constant.
7443 (build_constructor_from_list): Likewise.
7445 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7447 PR tree-optimization/27331
7448 * tree-data-ref.c (free_data_ref): New function.
7449 (create_data_ref): Fail if the data reference has unknown access
7451 (free_data_refs): Use free_data_ref.
7453 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7456 * tree-inline.c (setup_one_parameter): Strip useless
7457 type conversion before adding it to the IR.
7458 (declare_return_variable): Likewise.
7460 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7463 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7465 2006-06-19 Mike Stump <mrs@apple.com>
7467 * tree.c (variably_modified_type_p): VM arguments don't make the
7470 2006-06-19 Richard Guenther <rguenther@suse.de>
7472 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7473 type conversions after folding.
7475 2006-06-19 Richard Guenther <rguenther@suse.de>
7477 * ggc-page.c (extra_order_size_tab): Add entries with
7478 size of struct function and basic_block.
7479 (size_lookup): Extend to cover sizes up to 511.
7480 (ggc_alloc_stat): Adjust user.
7481 (ggc_pch_count_object): Likewise.
7482 (ggc_pch_alloc_object): Likewise.
7483 (ggc_pch_write_object): Likewise.
7485 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7487 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7488 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7491 2006-06-19 Denis Chertykov <denisc@overta.ru>
7493 * config/avr/libgcc.S : Correct my wrong previous commit.
7495 2006-06-19 Roger Sayle <roger@eyesopen.com>
7498 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7499 have stripped a SUBREG from the shift count, so we may need to
7500 convert_to_mode back to the type's mode before calling make_tree.
7501 Use new_amount instead of amount to avoid expanding a tree twice.
7503 2006-06-19 Richard Guenther <rguenther@suse.de>
7506 * fold-const.c (operand_equal_p): Check if the argument types
7507 have the same precision before stripping NOPs.
7509 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7511 Fix PR tree-optimization/27341
7512 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7514 * tree-complex.c (pass_lower_complex): Update SMT usage.
7516 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7518 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7519 Add a new alternative to the constraint strings. Add move of
7520 operand 1 to 3 to the splitter definition.
7521 ("doloop_si_long"): Second contraint alternative removed.
7523 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7525 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7526 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7528 (AVR_HAVE_MOVW) Define.
7529 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7530 (ASM_SPEC): Add avr25.
7531 (LINK_SPEC): Add avr25.
7532 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7533 (base_arch_s): Add new member 'have_movw_lpmx'.
7534 (avr_arch_types): Init 'have_movw_lpmx'.
7535 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7536 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7537 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7538 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7539 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7541 (avr_file_start): Do not output '.arh' derective.
7542 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7543 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7544 * config/avr/avr.md (mcu_enhanced): Delete.
7545 (mcu_have_movw): Define.
7546 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7547 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7548 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7549 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7550 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7551 attiny861 and at86rf401 devices.
7553 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7555 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7558 2006-06-17 Karl Berry <karl@gnu.org>
7560 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7561 doc/gccint.texi, doc/install.texi (@dircategory): Use
7562 "Software development" instead of "Programming", following
7563 the Free Software Directory.
7565 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7567 * config/i386/i386.c (legitimate_tls_address)
7568 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7569 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7570 (*tls_dynamic_gnu2_combine_64): Likewise.
7572 2006-06-16 Richard Guenther <rguenther@suse.de>
7575 * fold-const.c (negate_expr_p): Do not introduce undefined
7576 overflow in negating INTEGER_CSTs.
7577 (fold_negate_expr): Rename from negate_expr. Revert last
7578 change for folding BIT_NOT_EXPR. Change semantics to
7579 return NULL_TREE for non-simplified negations. Do not
7580 strip type conversions and unify type handling.
7581 (negate_expr): New function, wrap around fold_negate_expr
7582 but ensure building a tree always. Strip type conversions
7583 here, fold to result type.
7584 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7586 2006-06-16 Roger Sayle <roger@eyesopen.com>
7589 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7590 that (would) return their results in stack registers.
7592 2006-06-16 Michael Matz <matz@suse.de>
7593 Richard Guenther <rguenther@suse.de>
7595 * fold-const.c (fold_truthop): Only return new tree node if
7596 we canonicalized something.
7598 2006-06-16 Richard Guenther <rguenther@suse.de>
7600 * function.h (enum function_frequency): Move declaration
7601 out of struct function.
7602 (struct function): Move bool fields and the enum to the bitfield
7603 section. Reorder elements to avoid padding. Remove unused
7604 fields left over from the RTL inliner removal.
7605 * function.c (free_after_compilation): Do not zero removed fields.
7606 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7607 (ipa-type-escape.o): Likewise.
7609 2006-06-16 Richard Guenther <rguenther@suse.de>
7611 * cgraph.h (struct cgraph_local_info): Turn bool elements
7613 (struct cgraph_node): Likewise.
7614 (struct cgraph_varpool_node): Likewise.
7616 2006-06-15 Richard Guenther <rguenther@suse.de>
7618 * fold-const.c (fold_truth_not_expr): Rename from
7619 invert_truthvalue. Give it fold_* semantics to avoid
7621 (invert_truthvalue): New function. Wrapper around
7622 fold_truth_not_expr.
7623 (optimize_minmax_comparison): Avoid creating garbage.
7624 (fold_unary): Use fold_truth_not_expr for folding
7626 (fold_ternary): Replace uses of invert_truthvalue with
7627 fold_truth_not_expr where applicable.
7628 * tree.h (fold_truth_not_expr): Prototype.
7630 2006-06-16 Richard Guenther <rguenther@suse.de>
7632 PR tree-optimization/27781
7633 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7634 * ipa-pure-const.c (target.h): Include.
7635 (analyze_function): Do not analyze functions that do not
7638 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7641 * tree-dfa.c (referenced_vars_dup_list): Remove.
7642 (find_referenced_vars): Remove assert.
7643 (referenced_var_check_and_insert): Replace dup list with assert.
7644 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7645 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7647 2006-06-15 Richard Guenther <rguenther@suse.de>
7649 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7650 extra unused identifiers if not dumping.
7651 (create_variable_info_for): Likewise.
7653 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7655 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7656 (derive_constant_upper_bound): Derive more precise upper bound in
7657 common cases. Return type changed to double_int.
7658 (record_estimate): Reflect the changed return type of
7659 derive_constant_upper_bound.
7660 * double-int.c (double_int_zext, double_int_sext): Fix.
7662 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7664 * configure.ac (CFLAGS): Get them from the toplevel or from the
7665 configure invocation.
7666 * configure: Regenerate.
7667 * Makefile.in (CFLAGS): Substitute value provided by configure.
7669 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7672 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7673 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7674 rather than calling add_stmt on it.
7675 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7677 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7680 * reload1.c (reload): Remove registers returned by update_eliminables
7681 from used_spill_regs.
7683 2006-06-13 DJ Delorie <dj@redhat.com>
7685 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7687 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7689 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7690 html__strip_dir, html__mkdir_p. Enhance install-html target.
7691 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7692 * configure: Regenerate.
7694 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7696 * fold-const.c (fold_cond_expr_with_comparison): Check for
7697 Objective-C++ as language in deciding COND_EXPR transformation.
7699 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7702 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7703 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7704 * config/sh/lib1funcs.h (SL, SL1): Define.
7705 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7706 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7707 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7708 (OBJS_Os_4_200): New variable.
7709 ($(T)libgcc-Os-4-200.a): Use it.
7710 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7711 when dividing 1 and/or by 0.
7713 2006-06-13 Roger Sayle <roger@eyesopen.com>
7715 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7716 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7717 * configure: Regenerate.
7719 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7721 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7722 for real instruction.
7724 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7727 * haifa-sched.c (check_cfg): Handle special case.
7729 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7732 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7733 Add debug_info parameter. Chain the vars to the BLOCK instead
7734 of the BIND_EXPR if debug info are requested for them.
7735 (pop_gimplify_context): Adjust for above change.
7736 (gimple_add_tmp_var): Likewise.
7737 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7739 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7740 (convert_local_reference): Likewise.
7741 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7742 (finalize_nesting_tree_1): Request that debug info be emitted
7743 for debug_var_chain.
7745 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7747 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7748 for PR target/27863.
7750 2006-06-13 Richard Guenther <rguenther@suse.de>
7753 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7755 2006-06-13 Richard Guenther <rguenther@suse.de>
7757 PR tree-optimization/27830
7758 * tree-inline.c (copy_body_r): For copying the operand
7759 of an ADDR_EXPR make sure to fold &* afterwards.
7761 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7763 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7764 lvalues in the fb_none case with side-effects.
7766 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7768 * tree-flow.h: Remove the prototype for
7769 compute_phi_arg_on_exit.
7770 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7771 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7774 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7776 * builtins.c (expand_builtin_return_addr): Only use
7777 frame_pointer_rtx when count == 0 and we are expanding
7778 __builtin_return_address.
7780 2006-06-12 Fred Fish <fnf@specifix.com>
7782 * config/mips/mips.c (mips_file_start): Create special section
7783 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7785 2006-06-11 Eric Christopher <echristo@apple.com>
7788 * stor-layout.c (place_field): Remove check for
7789 remaining_in_alignment when aligning at the end of a run.
7791 2006-06-11 Eric Christopher <echristo@apple.com>
7794 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7797 2006-06-11 Roger Sayle <roger@eyesopen.com>
7800 Revert incorrect fix for PR target/27158
7801 2006-05-08 Roger Sayle <roger@eyesopen.com>
7802 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7803 of a reg_equiv_constant if the result is a legitimate constant.
7805 2006-06-11 Roger Sayle <roger@eyesopen.com>
7808 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7809 extract a CONST_VECTOR element and interpret it as an integer.
7810 (vspltis_constant): Use const_vector_elt_as_int instead of the
7811 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7812 * config/rs6000/predicates.md (easy_vector_const): Consider
7813 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7815 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7818 * stor-layout.c (update_alignment_for_field): Don't add extra
7819 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7822 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7824 * config/mips/t-rtems: Add EL/EB multilib variants.
7826 2006-06-09 Mike Stump <mrs@apple.com>
7828 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7830 2006-06-09 David Daney <ddaney@avtrex.com>
7832 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7834 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7836 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7838 2006-06-09 Richard Guenther <rguenther@suse.de>
7840 PR tree-optimization/26998
7841 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7842 of signed types, only TYPE_MIN_VALUE is special, but for both,
7843 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7844 in this case, as is -fwrapv.
7846 2006-06-08 Mike Stump <mrs@apple.com>
7849 * config/darwin.c (darwin_asm_output_anchor): Disable
7850 -fsection-anchors on darwin for now.
7851 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7852 * rs6000/rs6000.c (optimization_options): Likewise.
7854 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7857 * config/i386/i386.c (classify_argument): Skip fields with invalid
7860 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7862 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7863 (cse_insn): Likewise for the stack_pointer_rtx.
7865 2006-06-08 Roger Sayle <roger@eyesopen.com>
7867 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7868 conditions from floating point comparisons.
7870 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7873 * expmed.c (struct alg_hash_entry): Fix type of field T
7874 to match synth_mult argument.
7875 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7877 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7880 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7883 2006-06-08 Richard Guenther <rguenther@suse.de>
7886 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7887 only, if overflow is defined and not trapping.
7888 (negate_expr): Likewise.
7890 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7892 PR tree-optimization/27872
7893 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7894 flag on the new exit edge of the unrolled loop.
7896 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7898 PR rtl-optimization/26449
7899 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7901 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7904 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7905 referenced_variables with matching DECL_UID's.
7906 (find_referenced_vars): Make sure duplicate list is empty to start.
7907 (referenced_var_p): Remove.
7908 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7909 Check if var is in the list, and add if needed. Update the duplicate
7910 list if a different var is in the list with the same DECL_UID.
7911 (add_referenced_var): Call routine to check and insert.
7912 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7913 * tree-flow.h (referenced_vars_dup_list): External declaration.
7915 2006-06-07 Fred Fish <fnf@specifix.com>
7917 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7920 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7923 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7924 the imaginary and real parts of a clobbered register.
7925 Emit insn to set the imaginary part.
7927 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7929 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7930 in lieu of unwind-dw2-fde.c.
7932 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7934 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7936 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7939 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7940 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7941 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7942 V4SImode temporaries and operations instead.
7944 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7946 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7949 2006-06-06 Mike Stump <mrs@apple.com>
7951 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7952 installing during build.
7954 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7956 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7958 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7959 * config/ia64/ia64.c (params.h): New header.
7960 (ia64_optimization_options): New function to adjust parameters.
7961 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7962 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7963 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7965 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7967 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7969 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7972 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7974 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7975 Victor Kaplansky <victork@il.ibm.com>
7977 PR tree-optimization/26360
7978 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7981 2006-06-04 Roger Sayle <roger@eyesopen.com>
7982 Andrew Pinski <pinskia@physics.uc.edu>
7985 * c-common.c (c_common_truthvalue_conversion): Explicitly check
7986 for LABEL_DECL before calling DECL_WEAK.
7989 * c-typeck.c (build_binary_op): Likewise, explicitly check for
7990 LABEL_DECL and PARM_DECL.
7992 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
7996 * c-decl.c (grokdeclarator): Disallow variably modified types at
7997 file scope. Avoid marking shared array type of constant size as
8000 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8003 * c-common.c (fold_offsetof_1): Handle static members.
8005 2006-06-04 Eric Christopher <echristo@apple.com>
8007 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8008 (debug_rli): Output value for remaining_in_alignment.
8009 (update_alignment_for_field): Unconditionalize
8010 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8011 extra alignment code.
8012 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8013 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8014 * tree.h (record_layout_info_s): Remove prev_packed.
8015 * doc/extend.texi (ms_struct): Add documentation of format.
8017 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8019 * tree.h: Declare folding_initializer.
8020 * builtins.c (fold_builtin_constant_p): Give definite answer
8021 if folding inside an initializer.
8022 * fold-const.c: Define folding_initializer.
8023 (START_FOLD_INIT): Save and then set folding_initializer.
8024 (END_FOLD_INIT): Restore folding_initializer.
8026 2006-06-04 Richard Guenther <rguenther@suse.de>
8028 PR tree-optimization/27039
8029 * fold-const.c (fold_comparison): Handle pointer comparison
8030 again for all comparison codes. Compare offsets in signed
8032 (fold_binary): Move code from here.
8034 2006-06-03 Roger Sayle <roger@eyesopen.com>
8037 * config/i386/i386.c (construct_container): Split static issued_error
8038 flag into issued_sse_arg_error, issued_sse_ret_error and
8039 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8040 requires the use of x87 registers and the user explicitly
8041 specified the -mno-80387 command line option.
8043 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8045 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8046 HAVE_DECL_SIGALTSTACK.
8048 (segv_handler): Use MC_FLD.
8049 * configure.ac: Check for a sigaltstack declaration.
8050 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8051 * configure: Regenerate.
8052 * config.in: Regenerate.
8054 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8057 * Makefile.in (stmp-fixinc): Fix typo.
8059 2006-06-02 Roger Sayle <roger@eyesopen.com>
8061 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8062 are type correct. Clean-up.
8063 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8064 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8066 2006-06-01 DJ Delorie <dj@redhat.com>
8068 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8069 shift, as we've disabled the "switch" insn that needs it.
8071 2006-06-01 Per Bothner <bothner@bothner.com>
8073 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8074 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8075 * c-ppoutput.c (cb_define): Don't increment line 0.
8077 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8079 * doc/invoke.texi: Add cpu_type power6.
8080 * config.gcc: Add cpu_type power6.
8081 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8082 to power5+ with Altivec.
8083 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8084 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8086 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8088 * config/avr/avr.h (SET_ASM_OP): Define.
8090 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8092 * config/bfin/bfin.c: Fix comment typos.
8094 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8097 * doc/install.texi: Document --enable-bootstrap and
8098 --disable-bootstrap.
8100 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8102 * doc/install.texi: Document that InfoZIP can replace jar.
8104 2006-05-31 Roger Sayle <roger@eyesopen.com>
8106 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8107 isn't available, directly generate the simpler x87 patterns without
8108 the (use (const_int 0)).
8109 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8110 implementation isn't available.
8111 (*negdf2_1): Likewise.
8112 (*negxf2_1): XF mode negation is always done using the x87.
8113 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8115 2006-05-31 Roger Sayle <roger@eyesopen.com>
8117 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8118 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8120 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8122 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8124 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8125 * config/bfin/bfin.c (basic-block.h): Include.
8126 (struct machine_function): New.
8127 (bfin_init_machine_status): New.
8128 (override_options): Initialize init_machine_status.
8129 (bfin_hardware_loop): New.
8130 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8131 (DEF_VEC_P (loop_info)): New.
8132 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8133 (struct loop_info): New.
8134 (loop_info): New typedef.
8135 (struct loop_work): New.
8136 (loop_work): New typedef.
8137 (DEF_VEC_O (loop_work)): New.
8138 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8139 (bfin_dump_loops): New.
8140 (bfin_bb_in_loop): New.
8141 (bfin_scan_loop): New.
8142 (bfin_optimize_loop): New.
8143 (bfin_reorg_loops): New.
8144 (bfin_reorg): Use bfin_reorg_loops.
8145 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8147 (I_REGNO_P): Simplify.
8148 (DP_REGNO_P, DPREG_P): New macros.
8149 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8150 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8151 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8152 Add LT_REGS, LC_REGS, LB_REGS.
8153 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8155 (REGNO_REG_CLASS): Deal with loop registers.
8156 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8158 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8159 New constants for loop registers.
8160 (UNSPEC_LSETUP_END): New.
8161 (seq_insns): New define_attr. Set it for appropriate insns.
8162 (movsi_insn): Add alternatives for move from/to
8163 loop count registers.
8164 (doloop_end): New define_expand.
8165 (loop_end): New define_insn.
8166 (define_split for bad doloop_end): New.
8167 (lsetup_with_autoinit): New define_insn.
8168 (lsetup_without_autoinit): New define_insn.
8169 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8170 * config/bfin/predicates.md (lc_register_operand): New.
8171 (lt_register_operand): New.
8172 (lb_register_operand): New.
8173 (nondp_register_operand): New.
8174 (nondp_reg_or_memory_operand): New.
8175 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8177 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8179 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8180 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8182 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8184 * Makefile.in (CATALOGS): Add po/ prefix.
8185 * configure: Regenerated.
8187 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8190 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8191 a shift operand before calling shift_op. Avoid redundant call of
8194 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8195 DJ Delorie <dj@redhat.com>
8197 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8198 we're inserting is a singlt-bit constant.
8200 2006-05-30 Roger Sayle <roger@eyesopen.com>
8202 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8203 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8205 2006-05-30 Roger Sayle <roger@eyesopen.com>
8207 PR tree-optimization/23452
8208 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8209 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8210 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8211 complex values and with -ffast-math for FP complex values.
8213 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8215 * c-common.h: Remove the prototype for yyparse.
8216 * rtl.h: Remove the prototype for init_loop.
8218 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8220 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8223 2006-05-30 Roger Sayle <roger@eyesopen.com>
8225 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8227 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8228 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8230 2006-05-30 Dirk Mueller <dmueller@suse.de>
8233 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8234 for CONSTANT_CLASS_P expresisons.
8236 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8239 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8241 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8243 PR tree-optimization/27779
8244 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8245 initial_condition instead of CHREC_LEFT.
8247 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8249 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8250 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8251 Make prototypes ISO C90.
8253 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8254 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8256 * see.c (see_analyze_one_def): Correct check.
8257 (see_get_extension_data): Check if extension is parallel.
8258 (see_get_extension_reg): Likewise.
8260 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8263 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8264 into register for (code == GTU).
8266 2006-05-29 Roger Sayle <roger@eyesopen.com>
8268 PR tree-optimization/24964
8269 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8270 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8271 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8272 abs(x)*abs(x) as x*x for scalar floating point modes.
8274 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8277 * lambda-code.c (perfect_nestify): Don't copy statements
8278 in the inner loop: move them to the inner loop header.
8280 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8283 * c-tree.texi: Document OpenMP directives and clauses.
8285 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8287 * varasm.c (globalize_decl): Fix indentation.
8289 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8292 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8293 pass_fre, pass_store_ccp, pass_copy_prop,
8294 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8295 pass_return_slot, pass_object_size, pass_lim,
8296 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8297 pass_loop_prefetch and pass_stdarg.
8299 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8301 * config/bfin/bfin.opt (mfdpic): New option.
8302 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8303 (EXTRA_MULTILIB_PARTS): Likewise.
8304 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8305 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8307 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8308 (CRT_CALL_STATIC_FUNCTION): New.
8309 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8311 (CRT_CALL_STATIC_FUNCTION): New.
8312 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8314 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8315 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8316 (initialize_trampoline): Changed to handle FD-PIC code generation.
8317 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8318 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8319 (override_options): Disallow -mid-shared-library -mfdpic combination.
8320 Can't do unaligned ops if FD-PIC.
8321 Turn off flag_pic if trying to generate non-id-shared-library
8322 non-fdpic code, since it's not supported.
8323 (bfin_assemble_integer): New function.
8324 (TARGET_ASM_INTEGER): Define.
8325 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8327 * config/bfin/crtn.s: Restore them.
8328 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8330 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8331 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8332 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8333 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8334 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8336 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8337 FDPIC_REGS and FDPIC_FPTR_REGS.
8338 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8339 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8340 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8341 (load_funcdescsi): New pattern.
8342 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8343 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8344 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8346 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8348 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8351 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8353 * tree-flow.h: Remove the prototype for add_type_alias.
8354 * tree-ssa-alias.c (add_type_alias): Remove.
8356 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8358 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8359 config/fr30/fr30.md, config/i386/i386-interix.h,
8360 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8361 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8362 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8363 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8364 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8365 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8366 Follow spelling conventions.
8367 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8368 Follow spelling conventions.
8370 2006-05-27 Richard Guenther <rguenther@suse.de>
8373 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8374 to produce a constant of value 1 of generic type.
8376 2006-05-27 Dirk Mueller <dmueller@suse.de>
8378 * cgraphunit.c (decide_is_function_needed): Fix wrong
8381 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8383 PR rtl-optimization/27661
8384 * reload.c (find_reloads): When reloading a VOIDmode constant
8385 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8386 use Pmode as mode of the reload register.
8388 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8390 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8391 is enabled at -O and above.
8393 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8396 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8399 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8402 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8403 for anonymous variables explicitly declared by front ends.
8405 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8407 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8408 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8409 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8410 ref-all pointers, run a finalization pass for them.
8411 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8412 (finalize_ref_all_pointers): New function.
8413 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8414 regular pointer type to a ref-all pointer type.
8415 (get_tmt_for): Return the special memory tag for ref-all pointers.
8417 2006-05-25 Richard Guenther <rguenther@suse.de>
8420 * fold-const.c (fold_binary): Do not look at the stripped
8421 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8423 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8425 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8426 for LT and GT if the computed range is effectively empty.
8428 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8431 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8432 mips_quad_format formats instead of ieee_single_format,
8433 ieee_double_format and ieee_quad_format formats, respectively.
8435 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8437 PR tree-optimization/27639
8438 PR tree-optimization/26719
8439 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8440 call to scev_probably_wraps_p.
8441 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8442 used_in_pointer_arithmetic_p, convert_step): Removed.
8443 (nowrap_type_p): New function.
8444 (scev_probably_wraps_p): Rewritten.
8445 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8446 chrec_convert if chrec_convert_aggressive might have been used.
8447 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8448 scev_direction): New functions.
8449 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8450 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8451 instead of convert_step.
8452 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8453 (convert_step): Declaration removed.
8454 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8456 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8458 * df-core.c: Added to header comments.
8459 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8460 df_ur_bb_info, df_urec_bb_info): Added comments.
8461 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8462 urec, ri problems): Fixed header comments.
8463 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8464 code from df_rd_transfer_function.
8466 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8468 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8469 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8470 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8472 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8474 * expr.c (undefined_operand_subword_p): New.
8475 (emit_move_multi_word): Do not generate move from undefined bits
8476 of a paradoxical subreg.
8478 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8480 PR rtl-optimization/27736
8481 * combine.c (replaced_rhs_value): New variable.
8482 (combine_instructions): Set it.
8483 (distribute_notes): When distributing a note in replaced_rhs_insn,
8484 check whether the value was used in replaced_rhs_value.
8486 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8489 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8490 add_referenced_var instead of add_referenced_tmp_var.
8491 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8492 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8494 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8495 tree_optimize_tail_calls_1): Use add_referenced_var.
8496 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8497 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8498 Use add_referenced_var.
8499 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8500 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8501 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8502 Use add_referenced_var.
8503 * tree-dfa.c (struct walk_state): Remove.
8504 (find_referenced_vars): Remove walk state and vars_found hash table.
8505 (make_rename_temp): Use add_referenced_var.
8506 (find_vars_r): Pass less parameters to add_referenced_var.
8507 (referenced_var_p): New. Is var in referenced_var hash table.
8508 (referenced_var_insert): Assert var isn't already in hash table.
8509 (add_referenced_var): Don't need walk_state parameter. Add var if it
8510 isn't already in the hash table.
8511 (add_referenced_tmp_var): Remove.
8512 (find_new_referenced_vars_1): Use add_referenced_var.
8513 * tree-ssa-pre.c (create_expression_by_pieces,
8514 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8515 Use add_referenced_var.
8516 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8517 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8518 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8520 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8521 vect_create_data_ref_ptr, vect_create_destination_var,
8522 vect_init_vector, vect_build_loop_niters,
8523 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8524 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8525 Use add_referenced_var.
8526 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8527 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8528 (add_referenced_var): Add prototype.
8529 * tree-ssa-structalias.c (get_constraint_for,
8530 intra_create_variable_infos): Use add_referenced_var.
8532 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8534 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8535 big-endian paradoxical subregs.
8536 * var-tracking.c (struct micro_operation_def): Document that,
8537 for modify micro operations, insn is the subsequent instruction.
8538 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8539 (var_reg_set, var_mem_set): ... new functions.
8540 (add_stores): Record subsequent insn.
8541 (compute_bb_dataflow): Use new functions for MO_USE.
8542 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8543 notes after the insn, and modify notes before the insn known
8544 to be the subsequent one.
8545 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8547 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8550 * config/i386/i386.c (ix86_expand_builtin): Use
8551 gen_sse3_monitor64 for TARGET_64BIT.
8553 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8555 PR rtl-optimization/26375
8556 PR rtl-optimization/26855
8557 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8559 (df_ru_bb_local_compute): Reversed statements and removed bogus
8560 comment explaining why they should be in wrong order.
8561 (df_ru_dump, df_rd_dump): Enhanced debug info.
8562 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8564 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8565 reaching uses and fixed space problem.
8567 2006-05-23 Jan Hubicka <jh@suse.cz>
8569 * cgraphunit.c (decide_is_function_needed): Also nested functions
8570 and functions declared inline can be optimized out at -O0.
8572 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8574 * doc/install.texi (Configuration): Remove reference to CrossGCC
8578 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8581 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8582 ix86_compare_emitted is non-NULL.
8584 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8587 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8590 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8592 PR rtl-optimization/25514
8593 * combine.c (replaced_rhs_insn): New variable.
8594 (combine_instructions): Set replaced_rhs_insn when trying to replace
8595 a SET_SRC with a REG_EQUAL note.
8596 (distribute_notes): Use replaced_rhs_insn when determining the live
8597 range of a REG_DEAD register.
8599 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8600 Anatoly Sokolov <aesok@post.ru>
8602 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8603 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8604 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8605 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8606 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8607 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8608 at90usb647, at90usb1286 and at90usb1287 devices.
8609 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8610 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8612 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8614 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8616 2006-05-22 Richard Guenther <rguenther@suse.de>
8619 2006-01-31 Richard Guenther <rguenther@suse.de>
8620 Paolo Bonzini <bonzini@gnu.org>
8622 * doc/install.texi (--disable-libgcc-math): Document.
8624 2006-05-22 Richard Guenther <rguenther@suse.de>
8627 2006-01-31 Richard Guenther <rguenther@suse.de>
8629 * doc/invoke.texi (-msselibm): Document.
8630 * target.h (expand_library_builtin): New target hook.
8631 * builtins.c (expand_builtin): Use expand_library_builtin.
8632 (default_expand_library_builtin): New function.
8633 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8634 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8635 (link_gcc_math_spec): Declare.
8636 (static_specs): Add link_gcc_math_spec.
8637 * expr.h (default_expand_library_builtin): Declare.
8638 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8639 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8640 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8641 * config/i386/i386.opt (msselibm): New target option.
8642 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8643 (ix86_init_sse_abi_builtins): New function.
8644 (ix86_expand_library_builtin): Likewise.
8645 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8646 (override_options): Handle error conditions wrt -msselibm.
8647 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8648 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8649 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8652 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8655 * c-common.c (self_promoting_args_p): Skip erroneous args.
8658 * c-decl.c (finish_struct): Skip erroneous fields.
8660 2006-05-22 Nick Clifton <nickc@redhat.com>
8662 * config/cris/cris.opt (march): Remove VarExists attribute.
8663 (max-stackframe=): Likewise.
8665 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8667 * doc/rtl.texi: Fix a typo.
8668 * see.c: Fix comment typos.
8670 * tree-ssa-structalias.h (alias_info): Remove num_references.
8672 2006-05-21 Mike Stump <mrs@apple.com>
8674 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8676 (darwin_pragma_options): Use BAD instead.
8677 (darwin_pragma_unused): Likewise.
8678 (darwin_pragma_ms_struct): Likewise.
8680 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8682 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8684 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8686 PR rtl-optimization/27671
8687 * simplify-rtx.c (simplify_relational_operation_1): Fix
8688 simplifications of (eq/ne (xor x y) y) and
8689 (eq/ne (xor x y) x).
8691 PR tree-optimization/26622.
8692 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8695 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8697 * tree-cfg.c: Prune whitespace.
8698 (debug_tree_cfg): Point to correct header containing the
8701 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8704 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8706 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8709 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8710 or sorry count is non zero.
8712 2006-05-20 Andreas Schwab <schwab@suse.de>
8714 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8716 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8717 Kenneth Zadeck <zadeck@naturalbridge.com>
8719 PR rtl-optimization/26855
8721 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8723 (df_scan_alloc): Added code to properly handle multiword hard
8724 registers and add all_blocks parameter.
8725 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8726 code to properly handle multiword hard registers.
8727 (df_rescan_blocks): Added code to remove deleted blocks from
8729 (df_ref_create_structure, df_ref_record): Added code to properly
8731 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8732 and set DF_REF_PARTIAL.
8733 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8734 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8735 (df_scan_add_problem): Added flags parameter.
8736 (df_ref_create_structure): Changed switching structure.
8737 (df_bb_refs_record): Fixed case where duplicate artificial refs
8738 were created. Changed location of flags.
8739 (df_record_entry_block_defs): Added code to make stack pointer
8740 live in entry block. Refined cases where frame pointer is needed.
8741 Changed location of flags.
8742 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8743 (df_set_state): Removed function.
8744 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8745 df_insn_create_insn_record, df_insn_refs_delete,
8746 df_ref_create_structure): Formatting changes.
8747 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8748 df_delete_basic_block): New function.
8749 (df_init): Changed location of flags.
8750 (df_add_problem): Added flags parameter and the way flags are
8752 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8753 debug_df_chain): Improved debugging output.
8754 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8755 (df_refs_chain_dump): Removed df parameter.
8756 (df_iterative_dataflow): Added consistency check.
8757 (df_prune_to_subcfg): Made public.
8758 (df_analyze_problem): Added blocks_to_init parameter and made
8760 (df_ref_record, df_bb_refs_record, df_mark_reg,
8761 df_record_exit_block_uses): Whitespace changes.
8762 (df_dump): Whitespace changes.
8763 * df.h: Some reordering to remove forward references.
8764 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8765 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8766 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8767 (dataflow.flags): New field.
8768 (df.flag): Deleted field.
8769 (df_alloc_function): Added additional bitmap parameter.
8770 (df_dependent_problem_function): New type.
8771 (df_problem.changeable_flags): New field.
8772 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8773 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8774 (df_mw_hardreg): New struct.
8775 (DF_INSN_UID_MWS): New macro.
8776 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8778 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8779 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8780 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8781 (df_set_state): Removed function.
8782 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8783 * df-problems.c (df_chain_dump): Removed df parameter.
8784 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8785 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8787 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8788 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8789 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8790 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8791 DF_REF_MUST_CLOBBER cases.
8792 (df_ru_bb_local_compute_process_def,
8793 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8794 df_lr_bb_local_compute, df_ur_bb_local_compute,
8795 df_chain_create_bb): Made subreg aware.
8796 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8797 df_lr_bb_local_compute, df_lr_bb_local_compute,
8798 df_chain_create_bb): Cleanup to use proper macros.
8799 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8800 code to fixup bitvectors.
8801 (df_ri_alloc): Cleared lifetime.
8802 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8803 df_create_unused_note): New function.
8804 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8805 REG_DEAD and REG_UNUSED notes as well as register information.
8806 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8807 df_chains_dump): Fixed crash if problem was never run.
8808 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8809 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8810 df_ri_add_problem): Processes flags in uniform manner.
8811 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8812 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8813 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8814 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8815 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8816 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8817 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8818 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8819 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8820 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8821 * see.c (see_initialize_data): Ditto.
8822 * final.c (rest_of_clean_state) Added regstack_completed.
8823 * rtl.h (regstack_completed): Ditto.
8824 * reg-stack.c (regstack_completed): Ditto.
8826 2006-05-19 Mike Stump <mrs@apple.com>
8828 * c-tree.h (default_conversion): Remove.
8829 * c-common.h (default_conversion): Add.
8831 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8833 * tree-vrp.c (valid_value_p): New function.
8834 (adjust_range_with_scev): Fail if the value of bound is not
8837 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8839 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8840 (mips_fallback_frame_state): Use syscall numbers to determine
8841 the appropriate li instruction for the current ABI. Only use
8842 __NR_sigreturn for o32.
8844 2006-05-19 Nicolas Setton <setton@adacore.com>
8846 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8847 * langhooks.c (lhd_dwarf_name): New function.
8848 * langhooks-def.h (lhd_dwarf_name): Declare.
8849 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8850 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8852 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8854 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8856 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8857 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8858 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8859 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8860 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8861 determine the size of Wtype, etc.
8862 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8863 (swfloatfuncs): New variable.
8864 (dwfloatfuncs): Likewise.
8865 (lib2funcs): Remove floating-point conversion functions from
8866 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8867 the set of conversion routines needed. Allow entries to specify
8868 an object name, filename and word size. Update users accordingly.
8869 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8870 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8874 2006-02-08 Roger Sayle <roger@eyesopen.com>
8877 * config/fixtfdi.c: New libgcc source file.
8878 * config/fixunstfdi.c: New source file.
8879 * config/floatditf.c: New source file.
8880 * config/floatunditf.c: New souce file.
8881 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8882 files above instead of config/mips/_tilib.c.
8883 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8885 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8887 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8888 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8890 2006-05-18 Mike Stump <mrs@apple.com>
8892 Fix up vla, vm and [*] sematics.
8898 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8899 (c_vla_unspec_p): Add.
8900 (c_vla_type_p): Add.
8901 * c-decl.c (struct c_scope): Add had_vla_unspec.
8902 (build_array_declarator): Add support for [*].
8903 (grokdeclarator): Likewise.
8904 (grokparms): Likewise.
8905 (get_parm_info): Likewise.
8906 * c-objc-common.c (c_vla_unspec_p): Likewise.
8907 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8908 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8909 typeof when argument is a variably modified type not inside sizeof or alignof.
8910 (c_parser_direct_declarator_inner): Propagate errors.
8911 (c_parser_sizeof_expression): Add support for [*].
8912 (c_parser_parms_declarator): Initialize had_vla_unspec.
8913 (c_parser_parms_list_declarator): Likewise.
8914 * c-typeck.c (c_vla_type_p): Add.
8915 (composite_type): Add support for vla compositing.
8916 (comptypes_internal): Add support for vla compatibility.
8917 (c_expr_sizeof_expr): Evaluate vla arguments.
8918 * tree.c (variably_modified_type_p): Update comment for [*].
8920 2006-05-18 Michael Matz <matz@suse.de>
8923 * config.host: Make assignments to host_xmake_file cumulative.
8924 * config.host (*-darwin*): Test $host, not $target.
8926 2006-05-12 Stuart Hastings <stuart@apple.com>
8928 * config/i386/i386.opt (-mstackrealign): New flag.
8929 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8930 (ix86_handle_cconv_attribute): Emit error when
8931 force_align_arg_pointer attribute collides with too many regparms.
8932 (ix86_function_regparm): Limit regparms when used with
8933 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8934 Support stack-realigning prologue in non-main functions. Emit
8935 warning for nested functions under -mstackrealign, emit error for
8936 nested functions with force_align_arg_pointer attribute.
8937 * doc/extend.texi (force_align_arg_pointer): Document it.
8938 * doc/invoke.texi (-mstackrealign): Document it.
8940 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8942 PR rtl-optimization/27477
8943 * combine.c (try_combine): Don't split a parallel consisting
8944 of two sets into two individual sets if both sets reference
8947 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8949 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8950 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8952 * doc/options.texi (VarExists): Updated.
8954 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8956 * unwind-dw2.c: Add declarations for uw_update_context and
8958 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8959 detected, advance frame state and context once to skip over stub.
8961 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8965 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8966 Call rewrite_into_loop_closed_ssa only when something changed.
8967 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8968 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8969 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8970 Test for perfect_nest_p here. Fix formating.
8971 (replace_uses_equiv_to_x_with_y): Fix formating.
8972 (stmt_uses_op): Removed.
8973 (can_convert_to_perfect_nest): Removed loopivs parameter.
8974 Complete the test by checking the scalar dependences.
8975 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8978 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8981 From Dan Kegel <dank@kegel.com>:
8982 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
8984 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
8986 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
8987 if the element type is variably modified without recursing.
8989 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8992 * tree-loop-linear.c (try_interchange_loops): Test for
8993 no data dependences.
8995 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
8997 PR tree-optimization/27548
8998 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
8999 range of ssa names that appear on abnormal edges.
9000 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9001 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9003 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9006 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9008 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9011 * tree.h (OMP_PARALLEL_COMBINED): Define.
9012 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9013 (new_omp_context): Add is_combined_parallel argument.
9014 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9015 new_omp_context caller.
9016 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9017 Adjust gimplify_scan_omp_clauses callers.
9018 (omp_is_private): Issue errors if iteration variable is firstprivate
9019 or reduction in the current context.
9020 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9021 on combined parallel workshare constructs.
9023 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9025 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9026 (gcc-options.o): New rule.
9028 * optc-gen.awk: Protect variables for gcc-options.o with
9029 #ifdef GCC_DRIVER/#endif.
9031 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9033 Fix PR tree-optimization/27373
9034 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9035 (forward_propagate_addr_expr): Update call.
9037 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9039 * doc/options.texi: Move the Negative option.
9041 2006-05-16 Richard Guenther <rguenther@suse.de>
9043 PR tree-optimization/22303
9044 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9046 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9047 ccp_fold did not simplify the statement.
9049 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9052 * Makefile.in (GCC_OBJS): New.
9053 (OBJS-common): Add opts-common.o.
9054 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9055 (cpp$(exeext)): Likewise.
9056 (gcc.o): Also depend on opts.h.
9057 (opts-common.o): New.
9059 * common.opt (gcoff): Add Negative(gdwarf-2).
9060 (gdwarf-2): Add Negative(gstabs).
9061 (gstabs): Add Negative(gstabs+).
9062 (gstabs+): Add Negative(gvms).
9063 (gvms): Add Negative(gxcoff).
9064 (gxcoff): Add Negative(gxcoff+).
9065 (gxcoff+): Add Negative(gcoff).
9066 * config/i386/i386.opt (m32): Add Negative(m64).
9067 (m64): Add Negative(m32).
9069 * doc/options.texi: Document the Negative option.
9071 * gcc.c: Include "opts.h".
9072 (main): Call prune_options after expandargv.
9074 * optc-gen.awk: Generate common declarations for all flag
9075 variables in options.c. Output the neg_index field.
9077 * opts.c (find_opt): Moved to ...
9078 * opts-common.c: Here. New file.
9080 * opts.h (cl_option): Add a neg_index field.
9082 (prune_options): Likewise.
9084 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9087 * omp-low.c (expand_omp_parallel): Don't assert
9088 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9089 instead search for it.
9092 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9095 2006-05-16 Andreas Schwab <schwab@suse.de>
9097 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9100 2006-05-15 Roger Sayle <roger@eyesopen.com>
9103 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9104 integer constants other than zero are only legitimate on TARGET_64BIT.
9105 <CONST_VECTOR> Only zero vectors are legitimate.
9106 (ix86_cannot_force_const_mem): Integral and vector constants can
9107 always be put in the constant pool.
9109 2006-05-16 DJ Delorie <dj@redhat.com>
9111 * crtstuff.c (__dso_handle): Set section from
9112 TARGET_LBIGCC_SDATA_SECTION if defined.
9113 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9114 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9116 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9119 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9122 2006-05-16 Ben Elliston <bje@au.ibm.com>
9124 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9126 2006-05-15 Per Bothner <per@bothner.com>
9128 * tree.c: (last_annotated_node): Use source_locus typedef.
9129 This permits bootstrapping with --enable-mapped-location.
9131 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9133 PR tree-optimization/26830
9134 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9135 (info_for_ssa_name, current_info_for_ssa_name_age,
9136 blocks_to_update): New variables.
9137 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9138 (clear_ssa_name_info, initialize_flags_in_bb,
9139 mark_block_for_update): New functions.
9140 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9141 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9142 prepare_def_site_for): Use mark_block_for_update.
9143 (mark_def_interesting): Assert that the processed block is marked in
9144 blocks_to_update. Do not take blocks argument.
9145 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9147 (rewrite_update_init_block, rewrite_update_stmt): Only process
9148 blocks with statements to rewrite.
9149 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9150 (update_ssa): Initialize and free blocks_to_update. Do not
9151 clear flags on statements. Do not use blocks bitmap.
9152 * tree.h (SSA_NAME_AUX): Removed.
9153 (struct tree_ssa_name): Removed aux field.
9154 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9156 2006-05-15 Richard Guenther <rguenther@suse.de>
9158 PR tree-optimization/27603
9159 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9160 Do computations in original type.
9162 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9164 * see.c: Code style changes such as redundant paranthesis,
9165 redundant intialization of local variables etc.
9166 (see_main): Declared now as static.
9167 * doc/invoke.texi: Update that -fsee is not enabled by
9170 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9172 * omp-low.c (check_omp_nesting_restrictions): New function.
9173 (scan_omp_1): Call it.
9176 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9177 construct, return *VAR.
9179 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9181 PR rtl-optimization/27406
9182 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9185 2006-05-14 Roger Sayle <roger@eyesopen.com>
9187 PR rtl-optimization/27538
9188 * combine.c (expand_compound_operation): Call gen_lowpart
9189 before calling simplify_shift_const.
9191 2006-05-14 Roger Sayle <roger@eyesopen.com>
9193 PR rtl-optimization/22563
9194 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9195 a fixed width bitfield, always force the intermediates into psuedos.
9197 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9200 * mkconfig.sh: Use operator = instead of == for test.
9202 2006-05-13 Nick Clifton <nickc@redhat.com>
9204 * dwarf2out.c (dbx_reg_number): Check return value from
9205 LEAF_REG_REMAP and only use it if it is valid.
9206 (multiple_reg_loc_descriptor): Likewise.
9208 2006-05-13 Richard Guenther <rguenther@suse.de>
9210 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9213 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9215 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9216 information attached to non-INSNs such as NOTEs.
9217 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9219 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9221 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9223 * config/s390/s390.md: Adjust comment describing On constraint.
9225 2006-05-11 Jan Hubicka <jh@suse.cz>
9227 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9228 to be output at -O0.
9230 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9233 * fold-const.c (size_binop): Move sanity check for arguments to
9234 the beginning of the function.
9237 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9240 2006-05-11 Richard Guenther <rguenther@suse.de>
9243 * fold-const.c (fold_unary): Handle intermediate conversion
9244 to a pointer type like intermediate conversion to an integer
9245 type in folding of (T1)(T2)var to var.
9246 Match the code to the comment in the final conversion for
9247 (T1)(T2)var to (T1)var regarding to type precision. Rather
9248 than disallow T1 being of pointer type, assert that both T1
9249 and var are of pointer type or not. Make sure not to fall
9250 over the frontends lazyness wrt array to pointer decay though.
9252 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9254 * arm.c (arm_struct_value_rtx): Delete.
9255 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9256 (arm_init_cumulative_args): Always initialize nregs to zero.
9258 2006-05-10 Richard Guenther <rguenther@suse.de>
9260 PR tree-optimization/27532
9261 * tree-object-size.c (plus_expr_object_size): Fix typo.
9263 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9266 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9267 ashrdi_const, ashrdi3): Use a scratch register.
9269 2006-05-10 Richard Guenther <rguenther@suse.de>
9271 PR tree-optimization/27302
9272 * fold-const.c (operand_equal_p): For two comparisons,
9273 try comparison of one comparison code swapped if that yields
9276 2006-05-10 Ben Elliston <bje@au.ibm.com>
9278 * tree-pretty-print.c (pretty_print_string): No need to handle
9279 '\0' as a special character.
9281 * tree.h: Include "hashtab.h".
9282 (iterative_hash_expr): Use hashval_t in its prototype.
9283 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9285 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9288 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9289 (hppa*64*-*-hpux11*): Ditto.
9290 (hppa[12]*-*-hpux11*): Ditto.
9292 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9295 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9297 2006-05-09 Michael Matz <matz@suse.de>
9299 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9300 host_extra_gcc_objs and host_xmake_file.
9301 (<*-*-linux*>): Don't overwrite host_xmake_file.
9302 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9303 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9304 (host_detect_local_cpu): Declare.
9305 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9306 * config/i386/i386.c (override_options): Handle -mtune=native
9308 * config/i386/x-i386: New file.
9309 * config/i386/driver-i386.c: New file.
9310 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9313 2006-05-09 Dirk Mueller <dmueller@suse.de>
9314 Richard Guenther <rguenther@suse.de>
9317 * fold-const.c (fold_read_from_constant_string): Relax check
9318 for matching types to matching modes.
9320 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9322 PR rtl-optimization/27335
9323 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9326 2006-05-08 Chao-ying Fu <fu@mips.com>
9327 Richard Sandiford <richard@codesourcery.com>
9329 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9330 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9331 * config/mips/mips.md (UNSPEC_SCC): New constant.
9332 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9333 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9334 (mips_emit_compare): Use it.
9335 (mips_expand_vcondv2sf): New function.
9337 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9339 Fix PR tree-optimization/27093
9340 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9341 renaming when they become not-used_alone.
9343 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9345 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9346 relocation and relocation stubs.
9348 2006-05-08 Eric Christopher <echristo@apple.com>
9350 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9353 2006-05-08 Jan Hubicka <jh@suse.cz>
9356 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9357 unused static functions are needed.
9359 2006-05-08 Roger Sayle <roger@eyesopen.com>
9362 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9363 of a reg_equiv_constant if the result is a legitimate constant.
9365 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9368 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9369 standard 80387 constants, raise the cost to prevent
9370 compress_float_constant() to generate load from memory.
9372 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9374 * config/arm/constraints.md (c): Fix a typo.
9376 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9379 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9382 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9384 (_mm_mwait): Likewise.
9386 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9388 (sse3_monitor): Make it 32bit only.
9389 (sse3_monitor64): New. 64bit monitor.
9391 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9394 * config/i386/i386.c (classify_argument): Skip fields with invalid
9397 2006-05-07 Richard Guenther <rguenther@suse.de>
9399 PR tree-optimization/27409
9400 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9401 Do not try to find zero-sized subvars.
9403 2006-05-07 Richard Guenther <rguenther@suse.de>
9405 PR tree-optimization/27136
9406 * tree-ssa-loop-niter.c (get_val_for): Correct function
9407 comment, assert requirements.
9408 (loop_niter_by_eval): Stop processing if the iterated
9409 value did not simplify.
9411 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9413 * opts.c (flag_see): remove its setting at -O3.
9415 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9417 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9418 * arm/constraints.md: New file.
9419 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9420 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9421 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9422 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9423 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9424 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9425 * arm.md: Include constraints.md.
9426 (thumb_movsi_insn): Use satisfies_constraint_J.
9427 (movhi, movqi): Use satisfies_constraint_I.
9429 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9431 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9432 for atmeg a645 device.
9434 2006-05-06 Richard Guenther <rguenther@suse.de>
9436 PR tree-optimization/27151
9437 * tree-vect-transform.c (vectorizable_condition): Punt on
9438 values that have a different type than the condition.
9440 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9443 * c-parser.c (c_parser_cast_expression): Only insert casts into
9444 hash table if pointer.
9445 * function.c (used_types_insert_helper): Rename from
9447 (used_types_insert): Call used_types_insert_helper.
9448 * function.h (used_types_insert): Accept only one argument.
9450 2006-05-05 David Edelsohn <edesohn@gnu.org>
9452 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9453 scratch with output modifier.
9455 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9458 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9459 with output modifier.
9461 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9464 * config/mips/mips.c (mips_symbolic_address_p): Return true
9465 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9466 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9468 2006-05-04 Richard Guenther <rguenther@suse.de>
9470 PR tree-optimization/14287
9471 PR tree-optimization/14844
9472 PR tree-optimization/19792
9473 PR tree-optimization/21608
9474 PR tree-optimization/27090
9475 * tree-ssa-pre.c (try_combine_conversion): New function.
9476 (compute_avail): After constructing the value-handle
9477 expression, use try_combine_conversion to combine NOP_EXPRs
9478 with previous value-handle expressions and use the result if it
9481 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9483 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9485 2006-05-04 Jan Hubicka <jh@suse.cz>
9488 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9490 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9492 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9493 that this only matches CONST_INTs. All users changed to VOIDmode
9496 * config/bfin/bfin.c: Include "optabs.h".
9497 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9499 (enum bfin_builtins): Add a number of fractional and vector builtins.
9500 (bfin_init_builtins): Likewise.
9501 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9502 (safe_vector_operand, bfin_expand_binop_builtin,
9503 bfin_expand_unop_builtin): New functions.
9504 (bfin_expand_builtin): Handle the new builtins.
9505 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9508 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9511 * Makefile.in (OBJS-common): Add see.o.
9512 (see.o): Add dependencies.
9513 * common.opt (fsee): New flag for the see optimization was added.
9514 * opts.c (flag_see): Initialized.
9515 * passes.c (init_optimization_passes, pass_see): New pass.
9516 * rtl.h (see_main): Declaration as extern.
9517 * timevar.def (TV_SEE): New.
9518 * tree-pass.h (pass_see): Declaration as extern.
9519 * invoke.texi (-fsee): Document.
9520 * recog.c (validate_simplify_insn): New function.
9521 * recog.h (validate_simplify_insn): Declaration as extern.
9522 * df-problems.c (df_chain_dump): Check for NULL.
9524 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9525 Daniel Berlin <dberlin@dberlin.org>
9527 * cfgrtl.c (insert_insn_bb_end_new): New function.
9528 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9530 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9532 * df.h (struct web_entry): Moved from web.c.
9533 (union_defs): Declaration as extern.
9534 (unionfind_root): Likewise.
9535 (unionfind_union): Likewise.
9536 * web.c (struct web_entry): Moved to df.h.
9537 (unionfind_root): Remove static declaration.
9538 (unionfind_union): Likewise.
9539 (union_defs): Likewise and generalize to use callback function.
9540 (web_main): Update arguments for union_defs function call.
9542 2006-05-04 Richard Guenther <rguenther@suse.de>
9544 PR tree-optimization/26447
9545 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9546 produce SSA_NAME copies before the store stmt to avoid
9547 breaking exception handling.
9549 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9552 * gimplify.c (omp_is_private): If var is shared in some outer context,
9553 return false instead of true. Stop searching on parallel context
9556 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9559 * coverage.c: Use get_gcov_unsigned_t() instead of
9560 unsigned_type_node all over.
9562 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9564 PR tree-optimization/27381
9565 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9566 maintain the same immediate_use links.
9567 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9568 node rather than segfaulting.
9570 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9573 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9574 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9575 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9577 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9579 Fix PR tree-optimization/26626
9580 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9582 * tree-ssa-operands.c (access_can_touch_variable): Allow
9583 typecasting through union pointers.
9585 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9588 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9589 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9590 to find if var will be a global variable even in the nested context.
9591 (omp_copy_decl): Only check for global variable at the end, it might
9592 be overridden in outer contexts.
9593 (scan_sharing_clauses): For global variables don't create a field.
9594 (lower_rec_input_clauses): Do nothing for global shared variables.
9595 Emit a barrier at the end of ILIST if there were any decls in both
9596 firstprivate and lastprivate clauses.
9597 (lower_send_clauses): Do nothing for global variables except for
9600 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9602 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9603 of the correct signedness is returned.
9605 2006-05-02 Jeff Law <law@redhat.com>
9607 PR tree-optimization/27364
9608 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9609 multiply expressions.
9611 2006-05-02 Tom Tromey <tromey@redhat.com>
9613 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9615 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9618 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9619 -mthumb -fPIC are used.
9621 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9622 Joshua Kinard <kumba@gentoo.org>
9625 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9626 with 64-bit pointers.
9628 2006-05-02 Paul Brook <paul@codesourcery.com>
9630 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9632 (create_fix_barrier): Check that a suitable barrier location is
9634 (arm_reorg): Include ftmp->address in allowable range of addresses.
9636 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9639 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9642 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9645 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9646 around RESULT_DECL for result passed by reference.
9647 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9648 * omp-low.c (use_pointer_for_field): Don't look at
9649 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9650 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9651 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9652 time or var for passing by reference for
9653 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9654 TREE_ADDRESSABLE variables when passing by reference.
9656 * omp-low.c (dump_omp_region): Fix output formatting.
9659 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9660 (expand_omp_parallel): Likewise.
9661 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9664 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9665 on statement list containing also constructors and destructors.
9666 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9669 * except.c (duplicate_eh_regions): Fix clearing of
9670 cfun->eh->region_array entries.
9672 2006-05-01 DJ Delorie <dj@redhat.com>
9674 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9676 (gcc_cv_objdump): Likewise.
9677 * configure: Regenerated.
9679 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9682 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9683 templates for case 3 and 4.
9685 2006-05-01 DJ Delorie <dj@redhat.com>
9687 * vec.c: Include bconfig.h when appropriate.
9688 * Makefile.in (build/vec.o): Adjust dependencies.
9689 * mkconfig.sh: Make sure config.h isn't used for build machine
9692 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9694 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9696 (mark_phi_for_rewrite): New function.
9697 (insert_phi_nodes_for, mark_use_interesting): Call
9698 mark_phi_for_rewrite.
9699 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9700 (update_ssa): Initialize and free phis_to_rewrite.
9702 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9704 PR rtl-optimization/27291
9705 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9706 folded to a constant.
9708 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9710 PR tree-optimization/27283
9711 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9712 not whole # of iteration descriptions.
9713 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9714 uses abnormal ssa name.
9715 (niter_for_single_dom_exit): Ditto.
9716 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9717 return just the number of iterations.
9719 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9721 PR tree-optimization/27144
9722 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9723 (record_estimate): Only record constant upper bound.
9724 (infer_loop_bounds_from_undefined): Call
9725 compute_estimated_nb_iterations just once.
9726 (proved_non_wrapping_p): Renamed to ...
9727 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9728 (convert_step_widening, scev_probably_wraps_p): Call
9729 n_of_executions_at_most instead of proved_non_wrapping_p.
9730 (substitute_in_loop_info): Do not replace values in bounds.
9731 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9734 2006-05-01 Richard Henderson <rth@redhat.com>
9737 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9738 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9741 2006-05-01 Roger Sayle <roger@eyesopen.com>
9743 * c-typeck.c (parser_build_binary_op): Don't call the function
9744 unsigned_conversion_warning to spot operand/result type overflow.
9745 (build_binary_op): Instead, call convert_and_check instead of
9746 convert to report the problem when the operands are promoted.
9747 * c-common.c (unsigned_conversion_warning): Make static.
9748 * c-common.h (unsigned_conversion_warning): Delete prototype.
9750 2006-05-01 Richard Guenther <rguenther@suse.de>
9752 PR tree-optimization/26726
9753 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9755 (find_interesting_uses_address): ... we work around here
9756 by folding INDIRECT_REFs in the substituted base.
9758 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9760 * omp-low.c (dump_omp_region): Add newlines.
9762 2006-04-30 Roger Sayle <roger@eyesopen.com>
9764 * common.opt (Woverflow): New command line option.
9765 * c-common.c (constant_expression_warning): Check warn_overflow.
9766 (overflow_waring): Pass OPT_Woverflow to warning.
9767 (unsigned_conversion_warning): Likewise.
9768 (convert_and_check): Likewise.
9769 * doc/invoke.texi: Document new command line option.
9771 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9773 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9774 TARGET_NO_FP_IN_TOC for section anchors.
9775 (optimization_options): Enable section anchors for all
9776 non-"Objective" languages.
9778 2006-04-28 Eric Christopher <echristo@apple.com>
9780 * config/darwin-c.c (darwin_ms_struct): Move this
9781 (darwin_set_default_type_attributes): and this...
9782 * config/darwin.c: ... here.
9783 * config/darwin.h (darwin_ms_struct): Declare.
9785 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9787 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9789 2006-04-28 Roger Sayle <roger@eyesopen.com>
9792 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9793 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9794 an unsigned HOST_WIDE_INT.
9795 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9797 (really_start_incremental_init): No need to call convert because
9798 bitsize_zero_node is already of type bitsizetype.
9799 (push_init_level): Extract the value of constructor_index as an
9800 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9801 (process_init_element): Likewise.
9803 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9805 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9806 value before passing to make_relative_prefix.
9808 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9811 * builtins.c (expand_builtin_memset): Expand val in original mode.
9813 2006-04-27 Eric Christopher <echristo@apple.com>
9815 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9816 with #ifndef/#endif.
9817 * config/darwin-c.c (darwin_ms_struct): New.
9818 (darwin_pragma_ms_struct): Ditto.
9819 (darwin_set_default_type_attributes): Ditto.
9820 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9821 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9822 Register ms_struct pragma.
9823 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9824 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9825 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9826 darwin_set_default_type_attributes if TARGET_MACHO.
9828 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9830 PR tree-optimization/26854
9831 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9832 * doc/tree-ssa.texi: Update immuse iterator documentation.
9833 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9834 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9835 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9836 first_safe_imm_use, next_safe_imm_use): Remove.
9837 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9838 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9839 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9840 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9841 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9842 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9843 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9844 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9845 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9846 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9847 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9848 (perfect_nestify): Use new iterator.
9849 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9851 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9852 (next_imm_name): New field in struct immediate_use_iterator_d.
9853 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9854 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9855 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9856 * tree-cfg.c (replace_uses_by): Use new iterator.
9857 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9858 * tree-ssa-operands.c (correct_use_link): Remove.
9859 (finalize_ssa_use_ops): No longer call correct_use_link.
9861 2006-04-27 Stuart Hastings <stuart@apple.com>
9863 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9864 * config/t-darwin (crt3.o): Use it.
9865 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9866 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9867 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9868 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9869 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9872 2006-04-27 Roger Sayle <roger@eyesopen.com>
9874 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9875 size, force the intermediate into a new pseudo rather instead of
9876 performing both a bitwise AND and a bitwise IOR in memory.
9878 2006-04-27 Richard Guenther <rguenther@suse.de>
9880 PR rtl-optimization/26685
9881 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9882 this one "max-flow-memory-locations".
9884 2006-04-27 Richard Guenther <rguenther@suse.de>
9886 PR tree-optimization/25148
9887 * tree-vrp.c (compare_values): Remove code dealing with
9888 comparisons against type min/max value. Honour overflow
9889 and negative constants in code dealing with comparisons
9890 of plus and minus expressions.
9891 (value_inside_range): Use fold_binary with LE_EXPR and
9892 GE_EXPR rather than compare_values.
9894 2006-04-27 Dirk Mueller <dmueller@suse.de>
9896 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9899 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9901 * basic-block.h (safe_insert_insn_on_edge): Removed.
9902 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9904 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9905 Paolo Bonzini <bonzini@gnu.org>
9908 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9909 (simplify_and_const_int): Same.
9911 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9913 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9915 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9918 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9919 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9920 cgraph_global_info_ready.
9923 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9926 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9927 either decl or init is error_mark_node.
9930 * tree-flow.h (struct omp_region): Add sched_kind.
9931 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9932 instead of extracting omp for data.
9933 (expand_omp_for): Save extracted sched_kind.
9935 2006-04-25 Roger Sayle <roger@eyesopen.com>
9937 * expmed.c (store_bit_field): Also check whether the bitsize is
9938 valid for the machine's "insv" instruction before moving the
9939 target into a pseudo for use with the insv.
9940 * config/i386/predicates.md (const8_operand): New predicate.
9941 * config/i386/i386.md (extv, extzv, insv): Use the new
9942 const8_operand predicate where appropriate.
9944 2006-04-25 DJ Delorie <dj@redhat.com>
9946 * doc/install.texi (Specific): Clarify that this is not a list of
9947 supported hosts or targets.
9949 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9951 PR rtl-optimization/26725
9952 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9953 block's BB_DIRTY flag.
9955 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9957 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9960 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9961 to print an integer.
9963 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9965 * varasm.c (align_variable): New function.
9966 (get_block_for_decl): Apply align_variable to DECL before
9967 calculating section information.
9968 (assemble_variable): Split out alignment computation.
9970 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9972 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9975 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9977 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9978 MODE_PARTIAL_INT mode.
9979 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9980 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9982 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9983 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
9985 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
9987 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
9989 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
9990 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
9991 MACFLAG_IH): Likewise.
9992 (movstricthi_1): Renamed from "*movstricthi".
9993 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
9994 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
9995 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
9996 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
9997 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
9998 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
9999 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10000 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10001 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10002 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10003 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10004 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10005 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10006 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10007 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10009 * doc/rtl.texi (ss_ashift): Improve wording.
10011 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10013 * dwarf2out.c (verify_marks_clear): New.
10014 (prune_unused_types): Call verify_marks_clear initially, not
10017 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10019 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10020 * doc/rtl.texi: Document them.
10021 * simplify-rtx.c (simplify_unary_operation,
10022 simplify_binary_operation_1): Don't abort when we see them.
10024 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10027 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10028 * configure.ac: Completely disregard languages that are not
10030 * configure: Regenerated.
10032 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10033 Richard Guenther <rguenther@suse.de>
10035 PR tree-optimization/27236
10036 * tree-inline.c (copy_body_r): Make sure to copy
10037 TREE_THIS_VOLATILE flag.
10039 2006-04-24 Richard Guenther <rguenther@suse.de>
10041 PR middle-end/26869
10042 * tree-complex.c (update_parameter_components): Don't handle
10043 unused parameters which have no default def.
10045 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10046 Richard Guenther <rguenther@suse.de>
10048 PR tree-optimization/27218
10049 * tree-inline.c (expand_call_inline): Strip useless type
10050 conversions for the return slot address.
10052 2006-04-24 Richard Guenther <rguenther@suse.de>
10054 * cfgloop.h (struct loops): Remove unused field array. Reorder
10056 (LOOP_PREFETCH): Remove.
10058 2006-04-24 Richard Guenther <rguenther@suse.de>
10060 PR tree-optimization/22525
10061 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10062 variable, adjust types of generated expressions.
10064 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10066 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10067 (tree-vect-patterns.o): Likewise.
10068 (jump.o): Likewise.
10069 (cselib.o): Likewise.
10070 (loop-doloop.o): Likewise.
10071 (regclass.o): Likewise.
10072 (reload1.o): Likewise.
10073 (explow.o): Replace target.h with $(TARGET_H).
10074 (ipa-prop.o): Likewise.
10075 (ipa-cp.o): Likewise.
10076 (ipa-inline.o): Likewise.
10077 (reorg.o): Likewise.
10078 (reg-stack.o): Likewise.
10080 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10082 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10084 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10086 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10088 * configure.ac: Completely disregard languages that are not
10090 * configure: Regenerated.
10093 * c-common.h (c_build_bitfield_integer_type): Declare.
10094 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10095 * c-common.c (c_build_bitfield_integer_type): ... here.
10097 2006-04-23 Roger Sayle <roger@eyesopen.com>
10100 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10101 a SImode SUBREG of a floating point register after no_new_pseudos.
10103 2006-04-23 Roger Sayle <roger@eyesopen.com>
10105 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10106 identify potentially eliminable registers to additionally catch
10107 VIRTUAL_INCOMING_ARGS_REGNUM.
10108 (addsi3): Update the conditions on when to use addsi_small_int.
10110 2006-04-23 Roger Sayle <roger@eyesopen.com>
10113 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10114 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10115 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10117 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10119 * fold-const.c (range_predecessor): Use operand_equal_p
10120 as the predicate for equality.
10121 (range_successor): Likewise.
10123 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10126 * config/soft-fp/op-common.h: Fix a typo.
10128 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10130 PR libmudflap/26864
10131 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10132 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10134 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10136 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10138 * doc/tm.texi: Fix a typo.
10140 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10142 * dwarf2out.c (struct die_struct): Document that die_sib makes
10143 a circular linked list.
10144 (FOR_EACH_CHILD): New.
10145 (reverse_die_lists): Delete.
10146 (reverse_all_dies): Delete.
10147 (add_dwarf_attr): Correct documentation.
10148 (remove_child_with_prev): New.
10149 (remove_child_TAG): Update for change to die_struct, use
10150 remove_child_with_prev.
10151 (add_child_die): Update for change to die_struct.
10152 (splice_child_die): Use remove_child_with_prev and add_child_die.
10153 (print_die): Use FOR_EACH_CHILD.
10154 (die_checksum): Likewise.
10155 (assign_symbol_names): Likewise.
10156 (output_location_lists): Likewise.
10157 (build_abbrev_table): Likewise.
10158 (calc_die_sizes): Likewise.
10159 (mark_dies): Likewise.
10160 (unmark_dies): Likewise.
10161 (unmark_all_dies): Likewise.
10162 (output_die): Likewise.
10163 (prune_unused_types_mark): Likewise.
10164 (prune_unused_types_walk): Likewise.
10165 (same_die_p): Update for change to die_struct.
10166 (break_out_includes): Likewise.
10167 (prune_unused_types_prune): Likewise.
10168 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10169 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10170 it's already clear.
10171 (dwarf2out_finish): Don't call reverse_all_dies.
10173 2006-04-21 Eric Christopher <echristo@apple.com>
10175 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10176 in comments and function names.
10178 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10181 * c-typeck.c (digest_init): Robustify.
10183 * c-typeck.c (pop_init_level): Simplify.
10185 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10187 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10189 2006-04-21 Paul Brook <paul@codesourcery.com>
10191 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10192 hardware floating point.
10194 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10196 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10199 2006-04-21 Nick Clifton <nickc@redhat.com>
10201 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10204 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10207 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10208 C++ lang type in traceback table for Objective-C++.
10210 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10212 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10214 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10216 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10219 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10220 were errors. Remove check for erroneous objects.
10222 2006-04-20 Jeff Law <law@redhat.com>
10224 PR tree-optimization/26854
10225 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10226 checking for zero or one use.
10227 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10228 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10229 * tree-ssa-reassoc.c (negate_value): Similarly.
10230 (reassociate_bb): Similarly.
10232 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10234 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10235 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10236 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10238 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10240 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10241 fp regs if the last fp arg doesn't fit in regs.
10243 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10246 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10247 that the last insn has the REG_INC note.
10249 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10250 Nathan Sidwell <nathan@codesourcery.com>
10253 * stor-layout.c (update_alignment_for_field): Do not align
10255 (place_union_field): Place union field at the start of the union.
10256 (place_field): Move ERROR_MARK check later, and use the current
10257 allocation position to maintain monotonicity.
10259 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10261 * dominance.c: Include timevar.h.
10262 (calculate_dominance_info): Use TV_DOMINANCE.
10263 * timevar.def (TV_DOMINANCE): New timevar.
10264 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10266 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10268 PR rtl-optimization/14261
10269 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10270 move would be an INSV insn.
10271 (noce_process_if_block): Don't optimize if the destination is a
10272 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10274 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10276 * config/s390/s390.md: Add comments with the instructions emitted
10277 by an insn pattern if macros are used.
10279 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10281 PR rtl-optimization/26026
10282 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10283 is a known power of two shifted left a variable amount.
10285 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10287 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10288 to hash table twice when the debug_str section has SECTION_MERGE.
10290 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10292 * config/soft-fp: New directory. From glibc.
10293 * config/soft-fp/t-softfp: New.
10294 * config/soft-fp/README: New.
10295 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10296 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10297 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10298 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10299 * config.gcc: Use rs6000/t-fprules-fpbit or
10300 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10302 * config/rs6000/sfp-machine.h: New. Based on glibc.
10303 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10305 * config/rs6000/t-fprules: Remove fp-bit rules.
10306 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10307 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10308 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10309 (softfp_wrap_start, softfp_wrap_end): New.
10311 2006-04-18 DJ Delorie <dj@redhat.com>
10313 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10315 2006-04-18 Devang Patel <dpatel@apple.com>
10317 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10319 2006-04-18 Nick Clifton <nickc@redhat.com>
10321 * config/sh/t-symbian: Add rule to build sh-c.o
10322 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10323 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10324 (sh_symbian_encode_section_info): Likewise.
10326 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10328 * builtins.c (expand_builtin_strcmp): Cover label definition of
10329 do_libcall with HAVE_cmpstrnsi.
10331 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10333 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10335 * function.h (temp_slot_p): New.
10336 (function): Change the type of x_used_temp_slots to
10337 VEC(temp_slot_p,gc) *.
10339 2006-04-18 Nick Clifton <nickc@redhat.com>
10341 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10342 flag_strength_reduce.
10344 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10346 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10350 Partial revert of revision 112637
10351 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10352 Dale Johannesen <dalej@apple.com>
10355 * regclass.c (struct reg_pref): Update documentation.
10356 (regclass): Set prefclass to NO_REGS if memory is the best option.
10357 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10359 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10361 PR tree-optimization/26821
10362 * tree-ssa-math-opts.c (get_constant_one): New.
10363 (insert_reciprocals): Use it.
10365 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10367 * dwarf2out.c (free_AT): Delete.
10368 (remove_AT): Update string ref counts.
10369 (remove_child_TAG): Don't call free_die.
10370 (free_die): Delete.
10371 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10372 or DW_TAG_GNU_EINCL.
10373 (prune_unused_types_walk_attribs): Reset string refcounts.
10374 (prune_unused_types_update_strings): New.
10375 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10376 call free_die. Do call prune_unused_types_update_strings.
10377 (prune_unused_types): Empty debug_str_hash.
10379 2006-04-17 Roger Sayle <roger@eyesopen.com>
10381 * expr.c (expand_assignment): Optimize away no-op moves where the
10382 source and destination are equal and have no side-effects.
10384 2006-04-17 Richard Guenther <rguenther@suse.de>
10387 * reload.c (push_reload): Guard calls to get_secondary_mem
10388 for memory subregs.
10390 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10392 * alias.c (reg_base_value, old_reg_base_value): Change the
10393 type to VEC(rtx,gc) *.
10394 (REG_BASE_VALUE, find_base_value, record_set,
10395 init_alias_analysis): Use VEC instead of VARRAY.
10397 * alias.c (alias_sets): Change the type to
10398 VEC(alias_set_entry,gc) *.
10399 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10400 VEC instead of VARRAY.
10401 (last_alias_set): Remove.
10403 * cgraph.h (cgraph_edge_p): New.
10404 Update the prototype of cgraph_function_versioning.
10405 * cgraphunit.c (cgraph_copy_node_for_versioning,
10406 cgraph_function_versioning): Use VEC instead of VARRAY.
10407 * ipa-cp.c (ipcp_insert_stage): Likewise.
10409 2006-04-16 Roger Sayle <roger@eyesopen.com>
10412 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10413 "A op B" or "A op C", we may need to convert A to the type of B and C.
10415 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10417 * target.h (struct gcc_target): Add mode_rep_extended.
10418 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10419 (init_num_sign_bit_copies_in_rep): Initialize it using
10421 (truncate_to_mode): Use it.
10422 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10423 * targhooks.h (default_mode_rep_extended): Declare it.
10424 * targhooks.c (default_mode_rep_extended): Define it.
10425 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10426 default_mode_rep_extended.
10427 (TARGET_INITIALIZER): Include it.
10428 * doc/tm.texi (Misc): Document it.
10429 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10430 (mips_truncated_to_mode): New function.
10432 2006-04-16 Roger Sayle <roger@eyesopen.com>
10434 PR middle-end/25474
10435 * expr.c (compress_float_constant): Copy the narrow constant into
10436 a new pseudo before extending it to its final width.
10438 2006-04-16 Roger Sayle <roger@eyesopen.com>
10439 Andrew Pinski <pinskia@gcc.gnu.org>
10440 Dale Johannesen <dalej@apple.com>
10443 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10444 special case code to implement V8HImode and V16QImode with SSE2.
10446 2006-04-15 Roger Sayle <roger@eyesopen.com>
10448 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10449 trees are constructed with a suitable tree type.
10451 2006-04-15 Roger Sayle <roger@eyesopen.com>
10453 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10454 (integer_onep): Likewise.
10455 (integer_all_onesp): Likewise.
10456 (integer_pow2p): Likewise.
10457 (integer_nonzerop): Likewise.
10458 (real_zerop): Likewise.
10459 (real_onep): Likewise.
10460 (real_twop): Likewise.
10461 (real_minus_onep): Likewise.
10462 (int_size_in_bytes): Likewise.
10463 (host_integerp): Likewise.
10465 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10467 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10468 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10469 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10471 * tree-ssa-structalias.h (alias_info): Remove num_references.
10473 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10475 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10476 (output_bvb patterns): Likewise.
10477 * pa.c (output_bb): Use 'bb' insn for long branch case.
10478 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10479 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10480 1. Correct length operand for alternatives 1 and 2.
10481 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10482 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10484 2006-04-14 Roger Sayle <roger@eyesopen.com>
10486 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10487 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10488 were accidentally reverted by r112959.
10490 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10492 PR middle-end/26823
10493 * except.h (eh_region_outermost): New prototype.
10494 * except.c (eh_region_outermost): New function.
10495 * tree-cfg.c (find_outermost_region_in_block): Use it.
10497 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10499 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10501 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10502 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10503 (init_reload, reload): Use VEC instead of VARRAY.
10504 * reload.h: Update the prototype for
10505 reg_equiv_memory_loc_varray.
10507 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10508 Eric Botcazou <ebotcazou@libertysurf.fr>
10510 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10511 register save area.
10513 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10515 PR middle-end/27134
10516 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10517 to expand fallback builtin function call.
10519 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10521 PR middle-end/27095
10522 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10523 and emit libcall here in case the builtin fails.
10524 (expand_builtin_strcmp): Always emit the libcall here on failure.
10526 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10528 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10529 * flow.c (reg_n_info): Change the type to
10530 VEC(reg_info_p,heap) *.
10531 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10533 * regs.h (reg_info_p): New.
10534 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10535 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10536 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10539 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10541 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10543 * params.h (MAX_SCHED_READY_INSNS): New macro.
10544 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10545 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10546 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10547 the ready list for 1 cycle during the first scheduling pass.
10548 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10550 2006-04-13 Richard Henderson <rth@redhat.com>
10553 * gimple-low.c (lower_omp_directive): Remove dead code.
10554 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10555 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10556 * omp-low.c (struct omp_region): Move to tree-flow.h.
10557 (root_omp_region): Export.
10558 (omp_regions, lookup_omp_region): Remove.
10559 (determine_parallel_type): Update for struct omp_region changes.
10560 (dump_omp_region): Dump regions with block numbers.
10561 (new_omp_region): Take type and block instead of stmt; malloc
10563 (free_omp_region_1, free_omp_regions): New.
10564 (expand_parallel_call): Take entry_stmt as argument; update for
10565 changes to omp_region.
10566 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10567 (remove_exit_barriers): New.
10568 (expand_omp_parallel): Update for struct omp_region changes.
10569 (expand_omp_synch): Likewise.
10570 (expand_omp): Likewise.
10571 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10572 (expand_omp_for_static_chunk): Likewise.
10573 (expand_omp_for): Likewise.
10574 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10575 (expand_omp_sections): Similarly, with GOMP_sections_end.
10576 (expand_omp_single): New.
10577 (build_omp_regions_1): Update for OMP_CONTINUE.
10578 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10579 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10580 OMP_SECTIONS_SECTIONS.
10581 (lower_omp_single_simple): Don't emit barrier here.
10582 (lower_omp_single_copy): Likewise.
10583 (lower_omp_single): Fix bindings, and lower to straightline now.
10584 (lower_omp_master, lower_omp_ordered): Likewise.
10585 (lower_omp_critical): Likewise.
10586 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10587 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10588 omp edges, free it afterward.
10589 (make_omp_sections_edges): Remove.
10590 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10591 (move_stmt_r): Handle OMP_CONTINUE.
10592 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10593 statement pointers to basic blocks. Add type member.
10594 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10595 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10596 * tree-inline.c (estimate_num_insns_1): Likewise.
10597 * tree-pretty-print.c (dump_generic_node): Likewise.
10598 * tree-ssa-operands.c (get_expr_operands): Likewise.
10599 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10600 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10601 (OMP_CONTINUE): New.
10602 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10603 (OMP_SECTIONS_SECTIONS): Remove.
10604 (OMP_SECTION_LAST): New.
10605 (OMP_RETURN_NOWAIT): New.
10607 2006-04-13 Roger Sayle <roger@eyesopen.com>
10609 * fold-const.c (native_encode_vector, native_interpret_real):
10610 Correct obvious mistakes in the previous check-in.
10612 2006-04-13 Roger Sayle <roger@eyesopen.com>
10614 * fold-const.c (native_encode_expr): New function to encode
10615 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10616 or VECTOR_CST into a specified buffer.
10617 (native_encode_int): New function.
10618 (native_encode_real): New function.
10619 (native_encode_complex): New function.
10620 (native_encode_vector): New function.
10621 (native_interpret_expr): Inverse of native_encode_expr to convert
10622 a target representation into an INTEGER_CST, REAL_CST etc...
10623 (native_interpret_int): New function.
10624 (native_interpret_real): New function.
10625 (native_interpret_complex): New function.
10626 (native_interpret_vector): New function.
10627 (fold_view_convert_expr): New function to constant fold/evaluate
10628 a VIEW_CONVERT_EXPR of a suitable constant expression.
10629 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10630 Change call of build1 to fold_build1 when constructing a
10633 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10634 Ulrich Weigand <uweigand@de.ibm.com>
10637 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10640 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10643 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10644 optimize to lo_sum for DFmode if !TARGET_FPRS.
10646 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10648 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10649 delete_alias_info, compute_flow_sensitive_aliasing,
10650 group_aliases): Use VEC instead of VARRAY.
10651 * tree-ssa-structalias.c (update_alias_info): Likewise.
10652 * tree-ssa-structalias.h (alias_info): Change the type of
10653 processed_ptrs to VEC(tree,heap) *.
10655 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10658 * config/sh/lib1funcs.h: New file, broken out of:
10659 * config/sh/lib1funcs.asm.
10660 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10662 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10663 * config/sh/lib1funcs-Os-4-200.asm: New file.
10664 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10665 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10666 (EXTRA_MULTILIB_PARTS): Include it.
10667 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10668 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10669 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10670 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10673 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10675 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10676 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10677 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10679 * tree-ssa-live.h: Include vecprim.h.
10680 (tree_partition_associator_d): Change the type of
10681 first_partition to VEC(int,heap) *.
10682 (tpa_first_partition): Use VEC instead of VARRAY.
10684 * Makefile.in (GTFILES): Move functions.h after tree.h.
10685 * function.c (reset_block_changes, record_block_change,
10686 check_block_change, free_block_changes): Use VEC instead of
10688 * function.h (function): Change the type of
10689 ib_boundaries_block to VEC(tree,gc) *.
10690 * tree-inline.c (copy_cfg_body): Initialize
10691 ib_boundaries_block to NULL instead of (varray_type) 0.
10693 2006-04-12 Roger Sayle <roger@eyesopen.com>
10695 * expr.c (emit_group_store): Correct operand order in call to
10696 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10697 a SUBREG_BYTE of zero.
10699 2006-04-12 Richard Guenther <rguenther@suse.de>
10701 * profile.c (compute_branch_probabilities): Remove code
10702 encapsulated in !ir_type (), which are remanents of the
10703 removed RTL profiling code.
10704 * rtl-profile.c: Remove.
10706 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10708 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10709 magic NULL_RTX comment.
10710 (function_arg): Store entire fp arg to mem if any part should go
10712 (rs6000_arg_partial_bytes): Adjust for above change.
10714 2006-04-11 Roger Sayle <roger@eyesopen.com>
10716 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10717 if it hasn't been initialized by dwarf2out_init.
10719 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10721 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10722 symbolic constants in branch patterns.
10724 2006-04-11 Roger Sayle <roger@eyesopen.com>
10726 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10728 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10730 PR rtl-optimization/27073
10731 * gcse.c (try_replace_reg): Revert last change. Continue to search
10732 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10735 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10737 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10738 aggregate types other than record and union types.
10739 (function_arg): Likewise.
10740 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10742 (function_value): In 64-bit mode, return objects that require it
10745 2006-04-11 Roger Sayle <roger@eyesopen.com>
10747 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10749 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10751 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10753 2006-04-03 Jeff Law <law@redhat.com>
10756 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10757 alias information too.
10759 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10761 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10763 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10766 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10767 (premark_used_types_helper): New.
10768 (premark_used_types): New.
10769 (gen_subprogram_die): Call premark_used_types.
10770 (prune_unused_types_walk): Do not prune perennial dies.
10771 * function.c (used_types_insert): New.
10772 * function.h (struct function): Add used_types_hash field.
10773 (used_types_insert): Add prototype.
10774 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10775 * c-parser.c (c_parser_cast_expression): Save casted types in used
10778 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10781 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10782 rs6000_explicit_options.float_gprs.
10784 2006-04-10 Roger Sayle <roger@eyesopen.com>
10786 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10787 from ix86_expand_vector_init_low_nonzero. Take an additional
10788 one_var argument indicating which element is non-zero. Support
10789 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10790 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10791 with one_var instead of ix86_expand_vector_init_low_nonzero.
10793 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10795 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10796 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10797 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10798 build/genextract.o): Depend on vecprim.h.
10799 * cfglayout.c, df-problems.c, function.c, genextract.c,
10800 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10801 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10805 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10807 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10808 Declare VECs of this type.
10809 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10810 (remove_children): Delete.
10811 (add_dwarf_attr): Use VEC routines.
10812 (add_AT_flag): Update for changes to add_dwarf_attr.
10813 (add_AT_int): Likewise.
10814 (add_AT_unsigned): Likewise.
10815 (add_AT_long_long): Likewise.
10816 (add_AT_vec): Likewise.
10817 (add_AT_string): Likewise.
10818 (add_AT_die_ref): Likewise.
10819 (add_AT_fde_ref): Likewise.
10820 (add_AT_loc): Likewise.
10821 (add_AT_loc_list): Likewise.
10822 (add_AT_addr): Likewise.
10823 (add_AT_lbl_id): Likewise.
10824 (add_AT_lineptr): Likewise.
10825 (add_AT_macptr): Likewise.
10826 (add_AT_offset): Likewise.
10827 (add_AT_range_list): Likewise.
10828 (get_AT): Use VEC_iterate.
10829 (remove_AT): Use VEC_ordered_remove.
10830 (free_die): Fold remove_children into here; have it use VEC_iterate.
10831 (print_die): Use VEC_iterate on attrs.
10832 (reverse_die_lists): Don't reverse attr lists.
10833 (die_checksum): Use VEC_iterate on attrs.
10834 (same_die_p): Likewise.
10835 (output_location_lists): Likewise.
10836 (build_abbrev_table): Likewise.
10837 (size_of_die): Likewise.
10838 (unmark_all_dies): Likewise.
10839 (output_abbrev_section): Likewise.
10840 (output_die): Likewise.
10841 (prune_unused_types_walk_attribs): Likewise.
10843 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10845 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10847 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10850 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10852 2006-04-09 Roger Sayle <roger@eyesopen.com>
10854 * expr.c (store_constructor): Don't bother clearing target if
10855 we're about to assign a vector to it using vec_init_optab.
10857 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10859 * tree-ssa-alias.c (lhs_may_store_to): New function.
10860 (recalculate_used_alone): Handle LHS of calls.
10862 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10866 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10867 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10868 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10869 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10870 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10871 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10872 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10873 stubs. Add ".align 8" directives before all ".dword" directives.
10874 (GTHREAD_USE_WEAK): Revise comment.
10875 (TARGET_ATTRIBUTE_WEAK): Define.
10876 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10877 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10878 * stublib.c: New file.
10883 * pa.md (cbranch patterns): Revise arguments used in calls to
10884 output_cbranch, output_bb and output_bvd. Add long branch length
10886 (fbranch patterns): Handle long branches.
10887 (jump): Revise length check. Revise arguments for output_lbranch call.
10888 Add long branch length attributes.
10889 (decrement_and_branch_until_zero): Add long branch length attributes.
10890 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10891 Likewise. Revise arguments for output_parallel_addb and
10892 output_parallel_movb calls.
10893 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10894 output_parallel_movb and output_parallel_addb): Update prototypes.
10895 * pa.c (output_cbranch): Revise arguments. Correct handling of
10896 nullification in long branches.
10897 (output_lbranch): Add new argument to control extraction of delay
10899 (output_bb): Handle long branches.
10900 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10901 output_parallel_addb): Likewise.
10903 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10905 PR rtl-optimization/27073
10906 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10909 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10911 * tree.h (tree_memory_tag): Add old_used_alone.
10912 (SMT_OLD_USED_ALONE): New macro.
10913 * tree-ssa-alias.c (recalculate_used_alone): Stop
10914 marking things for renaming unnecessarily.
10916 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10918 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10919 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10920 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10921 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10922 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10923 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10924 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10925 spelling convensions.
10926 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10927 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10928 typos. Follow spelling conventions.
10930 2006-04-07 DJ Delorie <dj@redhat.com>
10932 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10933 passed on the stack.
10934 (m32c_init_cumulative_args): When a function returns a structure,
10935 always pass the pointer to that return area on the stack.
10936 (m32c_function_arg_advance): Don't increment the parameter number
10937 if we're processing the returned structure pointer.
10938 (pushm_info): Reverse order of registers.
10940 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10942 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10943 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10944 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10945 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10946 build_int_cst_type.
10947 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10948 chrec_fold_multiply): Same.
10949 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10950 force_expr_to_var_cost): Same.
10951 * tree-mudflap.c (mf_xform_derefs_1): Same.
10952 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10954 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10956 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10957 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10960 2006-04-07 Jan Hubicka <jh@suse.cz>
10962 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10964 2006-04-07 Richard Guenther <rguenther@suse.de>
10966 PR tree-optimization/26135
10967 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10968 loads for store copy-prop.
10969 (copy_prop_visit_stmt): Likewise.
10971 2006-04-05 Robert Millan <robertmh@gnu.org>
10973 * config/i386/linux.h: Add a comment to mark macros that are
10974 being overriden in config/k*bsd-gnu.h.
10975 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10977 * config/knetbsd-gnu.h: Ditto.
10979 2006-04-06 Jan Hubicka <jh@suse.cz>
10983 * coverage.c (coverage_checksum_string): Reorganize loop to not read
10986 2006-04-06 Mike Stump <mrs@apple.com>
10988 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
10989 for HAVE_nonlocal_goto to be consistent.
10990 (expand_builtin_nonlocal_goto): Likewise.
10991 (expand_builtin_strcmp): Use #ifdef instead of #if
10992 for HAVE_cmpstrnsi to be consistent.
10994 2006-04-05 DJ Delorie <dj@redhat.com>
10996 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
10999 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11001 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11002 got-relative addressing for anything but SImode.
11004 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11005 even if the calling function doesn't modify them.
11007 2006-04-05 Richard Guenther <rguenther@suse.de>
11009 PR tree-optimization/26919
11010 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11011 to cgraph_estimate_size_after_inlining.
11013 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11015 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11017 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11019 PR tree-optimization/26996
11020 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11021 VECTOR_TYPE variables.
11023 2006-04-05 Richard Guenther <rguenther@suse.de>
11025 PR tree-optimization/26763
11026 * fold-const.c (fold_comparison): Move folding of
11027 PTR + CST CMP PTR + CST ...
11028 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11030 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11032 * doc/install.texi (Prerequisites): Refine some wording on
11033 bootstrapping and ksh.
11034 Move the version numbers of DejaGnu here from the testing section
11035 and fix casing of names.
11036 Fix markup and clarify wording for autogen requirements.
11037 Refer to GCJ instead of just java.
11038 Refer to SVN instead of CVS.
11039 Describe diffutils as useful instead of necessary.
11040 (Downloading the source): Refer to SVN instead of CVS.
11041 Adjust a link to our web site accordingly.
11042 (Configuration): Fix casing of Bison.
11043 (Building): Refer to SVN instead of CVS.
11044 Fix a sentence on the use of Bison and remove duplicate (and
11045 incorrect) version number of Bison requirement.
11046 Remove one redundant list of packages needed for building.
11047 (Specific): Avoid reference to CVS.
11049 2006-04-04 Eric Christopher <echristo@apple.com>
11051 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11052 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11053 (rs6000_handle_struct_attribute): New.
11054 (rs6000_ms_bitfield_layout_p): Ditto.
11056 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11058 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11059 NULL for dso parameter to atexit_common.
11061 2006-04-04 Eric Christopher <echristo@apple.com>
11063 * config/i386/i386.c (machopic_output_stub): Output \t
11064 between instructions and operands.
11066 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11068 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11069 satisfies_constraint_[IL] to explicit tests on value.
11071 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11073 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11074 set_nb_iterations_in_loop): Use build_int_cst instead of
11075 build_int_cst_type.
11076 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11077 build_int_cst instead of convert.
11079 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11081 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11082 new value 2 for incoming.
11083 * function.c (expand_function_start): Call struct_value_rtx
11084 with incoming as 2.
11085 * config/sparc/sparc.md: Comment updated_return.
11086 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11087 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11088 struct return if sparc_std_struct_return and incoming is 2.
11089 (print_operand): Do not adjust return if
11090 sparc_std_struct_return.
11092 2006-04-04 Roger Sayle <roger@eyesopen.com>
11094 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11095 convert in the middle-end.
11096 * expr.c (store_expr, store_constructor, get_inner_reference,
11097 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11099 * tree.c (build_range_type): Likewise.
11101 2006-04-04 Tom Tromey <tromey@redhat.com>
11103 * doc/install.texi (Prerequisites): Mention jar.
11105 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11107 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11110 2006-04-04 Matthias Klose <doko@debian.org>
11112 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11116 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11119 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11121 * doc/extend.texi (Function Attributes): Rewrite visibility
11122 attribute documentation.
11123 * doc/invoke.texi (C++ Dialect Options): Rewrite
11124 -fvisibility-inlines-hidden documentation to describe something
11125 entirely different, although in practise compatible.
11126 (Code Gen Options): Warn about system headers in -fvisibility=
11129 * doc/extend.texi (Other Builtins): Document that
11130 __builtin_nan is a compile-time constant only when its argument
11133 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11135 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11136 trying to remove TRUNCATE check if all bits outside the new mode
11137 are identical to the sign bit.
11139 2006-04-03 Jeff Law <law@redhat.com>
11141 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11142 and operand scanning in some common cases.
11144 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11145 Dale Johannesen <dalej@apple.com>
11148 * regclass.c (struct reg_pref): Update documentation.
11149 (regclass): Set prefclass to NO_REGS if memory is the best option.
11150 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11151 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11152 into account. For non-registers, equate an empty preferred
11153 reload class to a `!' in the constraint; move the if clause to
11154 do so after those that reject the insn.
11155 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11157 (find_dummy_reload): Likewise.
11158 * doc/tm.texi (Register Classes): Document what it means
11159 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11160 * config/i386/i386.c (ix86_preferred_reload_class): Force
11161 using SSE registers (and return NO_REGS for floating-point
11162 constants) if math is done with SSE.
11163 (ix86_preferred_output_reload_class): New.
11164 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11165 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11166 * config/i386/i386.md: Remove # register preferences.
11168 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11171 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11172 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11173 the type of nb_iter.
11174 (instantiate_parameters_1): Convert the operands before calling
11175 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11176 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11178 2006-04-02 Roger Sayle <roger@eyesopen.com>
11180 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11181 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11182 instead of convert.
11183 * dojump.c (do_jump): Likewise.
11184 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11185 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11186 gimplify_boolean_expr): Likewise.
11187 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11188 * varasm.c (array_size_for_constructor): Likewise.
11189 * tree-object-size.c (compute_object_offset): Likewise.
11191 2006-04-02 Roger Sayle <roger@eyesopen.com>
11193 PR middle-end/26977
11194 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11195 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11197 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11199 PR tree-optimization/26939
11200 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11202 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11204 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11205 at_stmt. Convert the type of operands before calling
11206 build_polynomial_chrec.
11207 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11208 add_to_evolution_1.
11209 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11210 (instantiate_parameters_1): Convert the type of operands before calling
11211 build_polynomial_chrec.
11212 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11213 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11214 reset_evolution_in_loop): Insert asserts to check the types of the
11216 (chrec_type): Moved...
11217 (eq_evolutions_p): Use operand_equal_p.
11218 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11219 the types of the operands.
11220 (chrec_type): ...here.
11221 * tree-data-ref.c (create_data_ref): Convert the operands before
11222 calling chrec_replace_initial_condition.
11223 (same_access_functions, analyze_subscript_affine_affine,
11224 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11225 (compute_subscript_distance, analyze_ziv_subscript,
11226 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11227 analyze_miv_subscript): Convert the operands before calling
11228 chrec_fold_minus or chrec_fold_plus.
11230 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11232 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11233 the dependence_relations vector.
11234 (compute_data_dependences_for_loop): Adjust call to
11235 compute_all_dependences.
11237 2006-04-01 Roger Sayle <roger@eyesopen.com>
11238 Richard Henderson <rth@redhat.com>
11240 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11241 gimple_boolify on the condition before calling gimplify_expr.
11243 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11245 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11246 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11247 the frame size. Update to use the new macros.
11248 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11249 * config/xtensa/ieee754-df.S: Likewise.
11251 2006-03-31 Richard Henderson <rth@redhat.com>
11253 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11254 (make_edges): ... here. Control fallthru creation with a local
11255 variable. Do not play with fake edges.
11256 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11257 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11260 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11262 * dwarf2.h (DW64_CIE_ID): Define.
11263 * dwarf2out.c (DWARF_CIE_ID): Define.
11264 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11265 length header. Use DWARF_CIE_ID.
11266 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11267 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11269 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11271 * config/sh/linux-atomic.asm: New file.
11272 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11274 2006-03-31 DJ Delorie <dj@redhat.com>
11276 * config/m32c/cond.md: Set condition flags properly throughout.
11277 * config/m32c/minmax.md: Likewise.
11278 * config/m32c/prologue.md: Likewise.
11279 * config/m32c/bitops.md: Likewise.
11280 * config/m32c/muldiv.md: Likewise.
11281 * config/m32c/mov.md: Likewise.
11282 * config/m32c/addsub.md: Likewise.
11283 * config/m32c/m32c.md: Likewise.
11284 * config/m32c/jump.md: Likewise.
11285 * config/m32c/shift.md: Likewise.
11287 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11288 conditionally output the pattern for this.
11289 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11290 (m32c_compare_redundant): New.
11291 (m32c_output_compare): New.
11292 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11294 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11295 dest, not src. Allow other 4-byte modes.
11297 2006-03-30 Denis Chertykov <denisc@overta.ru>
11299 * doc/md.texi: Refer to avr/constraints.md instead of
11302 2006-03-30 Roger Sayle <roger@eyesopen.com>
11304 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11305 signed vs. unsigned comparison failures on some hosts.
11307 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11310 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11311 change to FLOAT_REGS.
11313 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11314 (rs6000_override_options): Use it.
11315 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11316 only for -mabi=spe/no-spe and -mabi=altivec.
11318 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11320 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11323 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11325 * Makefile.in: Rename docdir to gcc_docdir.
11327 2006-03-30 Roger Sayle <roger@eyesopen.com>
11330 * expr.c (emit_group_store): Optimize group stores into a pseudo
11331 register by using a paradoxical subreg to initialize the destination
11332 if the first or last member of the group specifies a "low part".
11334 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11337 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11338 * target.h (struct gcc_target.speculate_insn): Change type of the
11339 second parameter to 'int'.
11340 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11341 the second operand of the DEPS_LIST.
11342 (copy_DEPS_LIST_list): Update reference to the second operand of the
11344 * rtl.h (alloc_DEPS_LIST): Update signature.
11345 * sched-int.h (ds_t): Change typedef to 'int'.
11346 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11348 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11350 * haifa-sched.c (try_ready): Change condition to restore
11351 non-speculative pattern of the instruction.
11352 (process_insn_depend_be_in_spec): Code to keep probability of the
11353 speculative dependence non-decreasing.
11355 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11357 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11358 (single_move_for_movmem): ... this. Also change all uses.
11359 (bfin_expand_strmov): Renamed to...
11360 (bfin_expand_movmem): ... this. Also change all uses.
11361 * config/bfin/bfin.md (movstrsi): Renamed to...
11362 (movstrsi): ...this.
11364 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11366 PR tree-optimization/26830
11368 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11369 (copy_prop_visit_stmt): Remove write-only variable ann.
11370 (init_copy_prop): Check variable loop depth here. Do not simulate
11371 memory-tag and virtual operand PHIs except for store copy prop.
11373 2006-03-30 Richard Guenther <rguenther@suse.de>
11375 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11376 variants with double arguments.
11378 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11380 * genpreds.c (write_tm_constrs_h): Delete variable p.
11381 * genconditions.c (write_header): Add tm-constrs.h to included
11383 * genpeep.c (main): Add toplev.h to included headers.
11384 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11385 (build/genpeep.o): Add toplev.h dependency.
11386 * config/rs6000/constraints.md: Add "W" constraint.
11388 2006-03-29 Roger Sayle <roger@eyesopen.com>
11390 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11391 sizes by correctly testing whether the size fits a host integer.
11392 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11393 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11394 SImode range for the default sizetype and bitsizetype.
11396 2006-03-29 Roger Sayle <roger@eyesopen.com>
11398 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11399 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11400 quickly if the argument is already of the correct type.
11401 Call fold_build1 instead of build1. Tidy up blank lines.
11403 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11405 * genemit.c (main): Add tm-constrs.h to included headers.
11406 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11407 * genpeep.c (main): Add tm-constrs.h to included headers.
11408 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11409 (write_tm_constrs_h): this and write complete file.
11410 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11411 (write_insn_preds_c): Add tm-constrs.h to included headers.
11412 (gen_constrs): New variable.
11413 (parse_option): Parse "-c".
11414 (main): Invoke write_tm_constrs_h.
11415 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11416 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11417 (object_out_file): Add tm-constrs.h dependency.
11418 (insn-emit.o): Same.
11419 (insn-output.o): Same.
11420 (insn-peep.o): Same.
11421 (insn-preds.o): Same.
11422 (insn-recog.o): Same.
11423 (tm-constsr.h): New target.
11424 (s-constrs-h): New target.
11426 * config/rs6000/constraints.md: New file.
11427 * config/rs6000/rs6000.c: Include tm-constrs.h.
11428 (num_insn_constant_wide): Convert to satisfies_constraint.
11429 (rs6000_rtx_costs): Convert to satisfies_constraint.
11430 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11431 (CONST_OK_FOR_LETTER_P): Delete.
11432 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11433 (EXTRA_CONSTRAINT): Delete.
11434 (EXTRA_MEMORY_CONSTRAINT): Delete.
11435 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11436 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11437 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11438 satisfies_constraint.
11440 * config/i386/i386.c: Include tm-constrs.h.
11442 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11444 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11445 * tree-data-ref.c (find_data_references_in_loop,
11446 compute_data_dependences_for_loop): Use pointers to VEC.
11447 (analyze_all_data_dependences): Adjust calls.
11448 * tree-data-ref.h (find_data_references_in_loop,
11449 compute_data_dependences_for_loop): Adjust declarations.
11450 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11451 compute_data_dependences_for_loop.
11453 2006-03-29 Paul Brook <paul@codesourcery.com>
11455 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11456 (movdf_vfp): Ditto.
11458 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11460 PR tree-optimization/26859
11461 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11463 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11464 for the step after fold_convert.
11466 2006-03-29 Paul Brook <paul@codesourcery.com>
11468 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11469 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11471 2006-03-29 Paul Brook <paul@codesourcery.com>
11473 PR middle-end/23623
11474 * targhooks.c (default_narrow_bitfield): New fuction.
11475 * targhooks.h (default_narrow_bitfield): add prototype.
11476 * target.h (gcc_target): Add narrow_volatile_bitfield.
11477 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11478 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11479 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11480 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11482 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11484 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11486 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11487 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11488 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11489 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11490 (s390_function_arg_float): Allow SDmode and DDmode values to be
11491 passed in floating point registers.
11492 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11493 check with SCALAR_FLOAT_MODE_P.
11494 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11496 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11498 PR tree-optimization/25985
11499 * tree-ssa-loop-niter.c (number_of_iterations_le,
11500 number_of_iterations_ne): Make comments more precise.
11501 (number_of_iterations_cond): Add only_exit argument. Use the
11502 fact that signed variables do not overflow only when only_exit
11504 (loop_only_exit_p): New.
11505 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11506 number_of_iterations_cond.
11508 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11510 PR tree-optimization/26643
11511 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11514 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11516 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11517 (divsi3_i4_int): Likewise.
11519 2006-03-28 Roger Sayle <roger@eyesopen.com>
11521 * expr.c (emit_group_store): Only create a new pseudo reg if the
11522 quantity it needs to hold isn't already a suitable pseudo.
11524 2006-03-28 Jeff Law <law@redhat.com>
11526 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11527 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11529 2006-03-28 Roger Sayle <roger@eyesopen.com>
11531 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11532 the equivalent ~X & Y, and the symmetry related transformations.
11533 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11534 ~X & Y, and symmetry related transforms.
11536 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11538 Revert my 2006-03-27 patches.
11540 2006-03-28 Roger Sayle <roger@eyesopen.com>
11542 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11543 ~(T1)X, when T1 and T2 are integer types of the same precision
11544 and (T2)X isn't an extension.
11546 2006-03-28 Jeff Law <law@redhat.com>
11548 PR tree-optimization/26796
11549 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11550 need EH edge cleanups rather than purging them immediately.
11551 (eliminate_degenerate_phis): Handle queued EH cleanups.
11553 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11555 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11558 2006-03-27 Roger Sayle <roger@eyesopen.com>
11560 PR middle-end/22524
11561 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11562 cast BIT_NOT_EXPR operand to the correct type.
11564 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11566 * tree-loop-linear.c: Don't include varray.h.
11567 (gather_interchange_stats, try_interchange_loops,
11568 linear_transform_loops): Use VEC instead of VARRAY.
11569 * lambda-mat.c: Don't include varray.h.
11570 * tree-chrec.c: Same.
11571 * lambda-trans.c: Same.
11572 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11573 VEC instead of VARRAY.
11574 * tree-vectorizer.h: Idem.
11575 * tree-data-ref.c (dump_data_references,
11576 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11577 initialize_data_dependence_relation, finalize_ddr_dependent,
11578 compute_all_dependences, find_data_references_in_loop,
11579 compute_data_dependences_for_loop, analyze_all_data_dependences,
11580 free_dependence_relation, free_dependence_relations,
11581 free_data_refs): Idem.
11582 * tree-data-ref.h (data_reference_p, subscript_p): New.
11583 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11584 VEC instead of VARRAY.
11585 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11586 (find_data_references_in_loop, compute_data_dependences_for_loop,
11587 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11588 dump_data_dependence_relations, free_dependence_relations,
11589 free_data_refs): Adjust declaration.
11590 (lambda_transform_legal_p): Move declaration here...
11591 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11592 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11593 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11594 vect_analyze_data_refs): Use VEC instead of VARRAY.
11595 * lambda.h (lambda_transform_legal_p): ...from here.
11596 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11597 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11598 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11599 tree-chrec.o): Don't depend on VARRAY_H.
11601 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11603 * rtl.def (Copyright): Update date.
11604 (DEPS_LIST): Change type of the second operand to 'int'.
11605 * target.h (Copyright): Update date.
11606 (struct gcc_target.speculate_insn): Change type of the second parameter
11608 * lists.c (Copyright): Update date.
11609 (alloc_DEPS_LIST): Change signature. Update reference to the second
11610 operand of the DEPS_LIST.
11611 (copy_DEPS_LIST_list): Update reference to the second operand of the
11613 * rtl.h (Copyright): Update date.
11614 (alloc_DEPS_LIST): Update signature.
11615 * sched-int.h (Copyright): Update date.
11616 (ds_t): Change typedef to 'int'.
11617 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11619 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11621 * haifa-sched.c (Copyright): Update date.
11622 (try_ready): Change condition to restore non-speculative pattern
11623 of the instruction.
11624 (process_insn_depend_be_in_spec): Code to keep probability of the
11625 speculative dependence non-decreasing.
11627 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11629 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11630 shut up the compiler.
11632 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11634 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11635 to use lib prefix for target.
11636 ($(T)libic_invalidate_array_4-200.a): Likewise.
11637 ($(T)libic_invalidate_array_4a.a): Likewise.
11639 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11640 J"orn Rennecke <joern.rennecke@st.com>
11642 * superh.opt: New file.
11643 * sh.c (boardtype, osruntime): Remove.
11644 * superh.h (SUBTARGET_OPTIONS): Remove.
11645 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11647 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11648 arguments with ^ and/or [].
11650 * config.gcc (sh-*-*): Add quoting to account for quirk of
11652 Replace == with = in enable_incomplete_targets test.
11654 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11655 with MASK_LITTLE_ENDIAN.
11657 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11658 * config/sh/sh.opt: Added to some comments.
11659 * config/sh/superh.h: Removed some chaff.
11661 * config/sh/sh.opt: Add m4-[1234]00* options.
11662 * config/sh/sh.c (sh_handle_option): Likewise.
11663 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11664 (ic_invalidate_array_4-100.o): New rule.
11665 ($(T)libic_invalidate_array_4-100.a): Likewise.
11666 (ic_invalidate_array_4-200.o): Likewise.
11667 ($(T)libic_invalidate_array_4-200.a): Likewise.
11668 (ic_invalidate_array_4a.o): Likewise.
11669 ($(T)libic_invalidate_array_4a.a): Likewise.
11670 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11671 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11673 * config/sh/crt1.asm: Merged in profiling code.
11674 * config/sh/superh.h (STARTFILE_SPEC): Override.
11675 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11676 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11677 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11679 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11680 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11681 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11683 * sh.opt (mpretend-cmove): New option.
11684 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11685 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11686 (movsicc): Add TARGET_PRETEND_CMOVE code.
11688 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11690 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11691 s390_class_max_nregs): New function prototypes.
11692 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11693 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11694 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11695 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11697 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11699 * dwarf2out.c (add_location_or_const_value_attribute): Call
11700 tree_add_const_value_attribute if nothing else works.
11701 (reference_to_unused): New.
11702 (rtl_for_decl_init): Use reference_to_unused to decide whether
11703 to output an initializer.
11705 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11708 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11709 peephole removing spe frob_di_df_2.
11711 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11713 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11714 (subscript_dependence_tester_1): Declared.
11715 (print_dir_vectors, print_dist_vectors): New.
11716 (debug_data_dependence_relation): New.
11717 (dump_data_dependence_relation): Print more details.
11718 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11719 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11720 (save_dist_v, save_dir_v, add_outer_distances,
11721 build_classic_dist_vector_1): New.
11722 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11723 Don't test for lambda_vector_lexico_pos.
11724 (same_access_functions, add_multivariate_self_dist,
11725 add_other_self_distances, dir_from_dist): New.
11726 (build_classic_dir_vector): Replace implementation almost identical to
11727 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11729 (subscript_dependence_tester_1): New.
11730 (subscript_dependence_tester): Handle the lexicographically negative
11731 distance vectors by recomputing the dependence relation.
11732 (compute_affine_dependence): Remove parameter loop_nest_depth.
11733 (compute_self_dependence): Don't call compute_subscript_distance.
11734 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11735 Add a parameter for the loop_nest.
11736 (find_loop_nest_1, find_loop_nest): New.
11737 (compute_data_dependences_for_loop): Compute the loop nest, and give
11738 up if the nest is not well formed.
11739 * tree-data-ref.h (loop_p): New.
11740 (struct data_dependence_relation): Replace size_vect field with
11741 loop_nest, a vec of loops.
11742 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11743 (DDR_LOOP_NEST): New.
11744 (print_dir_vectors, print_dist_vectors,
11745 debug_data_dependence_relation): Declared.
11746 (index_in_loop_nest): New.
11747 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11748 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11751 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11753 * simplify-rtx.c (simplify_relational_operation): Call
11754 simplify_relational_operation_1 even if mode is VOIDmode.
11756 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11758 PR tree-optimization/26804
11759 * tree.h (DECL_CALL_CLOBBERED): New macro.
11760 (tree_decl_common): Add call_clobbered_flag.
11761 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11762 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11763 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11764 (mark_non_addressable): Ditto.
11765 * tree-ssa.c (verify_call_clobbered): New function.
11766 (verify_alias_info): Use it.
11767 * tree-pass.h (pass_reset_cc_flags): New prototype.
11768 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11769 (reset_cc_flags): New function.
11770 * passes.c (init_optimization_passes): Call reset_cc_flags after
11771 initializing referenced_vars.
11773 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11774 Roger Sayle <roger@eyesopen.com>
11776 PR middle-end/26717
11777 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11778 to 1.0 for non-real operands. Implement A / A optimization for
11781 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11783 * config/i386/i386.c (size_cost): Correct the comment for
11784 cost of storing fp registers.
11785 (i386_cost): Likewise.
11786 (i486_cost): Likewise.
11787 (pentium_cost): Likewise.
11788 (pentiumpro_cost): Likewise.
11789 (k6_cost): Likewise.
11790 (athlon_cost): Likewise.
11791 (k8_cost): Likewise.
11792 (pentium4_cost): Likewise.
11793 (nocona_cost): Likewise.
11794 (generic64_cost): Likewise.
11795 (generic32_cost): Likewise.
11797 2006-03-24 Denis Chertykov <denisc@overta.ru>
11799 * config/avr/avr-protos.h (extra_constraint): Delete.
11800 (extra_constraint_Q): New declaration.
11801 * config/avr/constraints.md: New file.
11802 * config/avr/avr.md: Include it.
11803 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11804 (TMP_REGNO, ZERO_REGNO): Likewise.
11805 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11806 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11807 (extra_constraint): Delete.
11808 (extra_constraint_Q): Test for memory constraint 'Q'.
11809 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11810 (REG_CLASS_FROM_LETTER): Delete.
11811 (CONST_OK_FOR_LETTER_P): Delete.
11812 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11813 (EXTRA_CONSTRAINT): Delete.
11814 (TMP_REGNO): Delete.
11815 (ZERO_REGNO): Delete.
11817 2006-03-24 Jeff Law <law@redhat.com>
11819 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11820 directly. Call mark_new_vars_to_rename slightly earlier.
11822 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11824 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11825 (is_cxx): Likewise.
11826 (gen_compile_unit_die): Use new language types for Objective-C and
11828 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11829 DW_LANG_C_plus_plus.
11832 * config/t-darwin (crt3.o): Work around bug 26840.
11833 * config/darwin-crt3.c: Rewrite.
11834 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11836 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11838 * doc/invoke.texi: Document -femit-class-debug-always
11839 * common.opt: Add -femit-class-debug-always.
11841 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11843 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11844 index and base register.
11845 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11846 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11847 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11848 REGNO_OK_FOR_INDEX_P.
11849 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11851 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11852 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11853 REG_OK_FOR_BASE_P): Definitions removed.
11855 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11857 PR middle-end/26611
11858 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11859 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11860 set yet or weren't marked as local yet.
11862 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11864 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11867 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11869 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11870 (rs6000_legitimate_small_data_p): Delete.
11871 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11872 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11873 and make static. Add forward declaration. Update uses.
11874 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11875 of offsettable_memref_p.
11876 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11877 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11879 2006-03-24 Jeff Law <law@redhat.com>
11881 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11882 around bug in immediate-use iterator.
11884 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11887 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11888 or __LITTLE_ENDIAN__.
11890 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11892 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11893 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11894 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11895 * config/sh/sh.opt (mdiv=): Amend description.
11896 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11897 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11898 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11899 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11900 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11901 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11902 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11903 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11904 TARGET_DIVIDE_CALL_FP.
11906 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11908 * haifa-sched.c (choose_ready): Fix type of the local variable.
11909 Move local variables. Add comment.
11910 (check_reg_live): Change signature. Make callable from debugger.
11911 * sched-int.h (check_reg_live): Update signature.
11912 * sched-ebb.c (check_reg_live): Update parameters.
11913 * sched-rgn.c (check_reg_live): Ditto.
11914 (region_head_or_leaf_p): Check pointer before dereferencing.
11915 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11916 before reload on optimization levels below 1.
11918 2006-03-23 Richard Henderson <rth@redhat.com>
11920 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11924 * config/alpha/predicates.md (local_symbolic_operand): Reject
11927 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11930 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11931 expressions which have overflowed constants.
11933 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11935 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11937 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11939 * cfgloopmanip.c (create_loop_notes): Removed.
11940 * final.c (final_scan_insn): Do not handle loop notes.
11941 * jump.c (squeeze_notes): Ditto.
11942 * cfglayout.c (skip_insns_after_block,
11943 duplicate_insn_chain): Ditto.
11944 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11946 * cfgloop.h (create_loop_notes): Declaration removed.
11948 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11950 * varasm.c (output_constant_pool): Restore fnname and fndecl
11952 (assemble_start_function): Adjust call accordingly.
11953 (assemble_end_function): Likewise.
11955 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11958 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11961 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11963 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11966 * system.h (ICE_EXIT_CODE): New macro.
11967 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11968 (diagnostic_action_after_output): Likewise.
11969 * gcc.c (fatal_ice): New function.
11970 (execute): Use it instead of fatal.
11971 (fancy_abort): Likewise.
11972 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11974 2006-03-22 Jeff Law <law@redhat.com>
11976 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11977 iv_analyze_result returning false.
11979 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11981 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11983 2006-03-22 Richard Henderson <rth@redhat.com>
11985 PR middle-end/26084
11986 * except.c (duplicate_eh_regions_0): New.
11987 (duplicate_eh_region_1): Duplicate the children of the node as
11988 well as the node itself. Link them up properly.
11989 (duplicate_eh_region_2): Merge into ...
11990 (duplicate_eh_regions): ... here. Take copy_region argument, and
11991 copy only a sub-tree if asked. Simplify copying and fixup.
11992 (eh_region_outer_p): New.
11993 * except.h (duplicate_eh_regions): Update decl.
11994 (eh_region_outer_p): Declare.
11995 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
11996 (lower_omp_master): Likewise.
11997 (lower_omp_ordered): Likewise.
11998 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
11999 (move_stmt_r): Use it to remap labels. Handle recursion vs
12000 remap_decls_p properly.
12001 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12002 (find_outermost_region_in_block): New.
12003 (new_label_mapper): New.
12004 (move_sese_region_to_fn): Copy eh information to the new function
12006 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12008 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12011 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12013 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12014 into shared libraries.
12016 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12018 * doc/md.texi: Refer to i386/constraints.md instead of
12019 i386/predicates.md.
12020 * config/i386/constraints.md: New file, extracted from...
12021 * config/i386/predicates.md: ...here.
12022 * config/i386/i386.md: Include constraints.md.
12024 2006-03-21 Jason Merrill <jason@redhat.com>
12026 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12028 PR middle-end/20297
12029 * expr.c (init_block_move_fn): Force default visibility.
12030 (init_block_clear_fn): Likewise.
12031 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12032 * targhooks.c (default_external_stack_protect_fail): Likewise.
12034 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12036 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12037 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12038 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12039 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12040 (loadgp): Use mips_current_loadgp_style.
12041 (loadgp_noshared): New pattern.
12042 (sibcall_internal): Use MIPS_CALL.
12043 (sibcall_value_internal): Likewise.
12044 (sibcall_value_multiple_internal): Likewise.
12045 (call_internal): Likewise.
12046 (call_value_internal): Likewise.
12047 (call_value_multiple_internal): Likewise.
12048 (call_split): Use MIPS_CALL and add an 'S' constraint.
12049 (call_value_split): Likewise.
12050 (call_value_multiple_split): Likewise.
12051 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12052 (-mshared): New option.
12053 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12054 (mips_current_loadgp_style): Declare.
12055 * config/mips/mips.c (mips_classify_symbol): Avoid using
12056 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12057 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12058 TARGET_ABSOLUTE_ABICALLS.
12059 (override_options): Adjust comments. Improve the warning that is
12060 issued when -mabicalls and -G are used together.
12061 (mips_file_start): Remove comment.
12062 (mips_current_loadgp_style): New function.
12063 (mips_gnu_local_gp): New variable.
12064 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12066 (mips_output_function_prologue): Use mips_current_laodgp_style.
12067 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12068 the cprestore instruction.
12069 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12070 live for TARGET_ABSOLUTE_ABICALLS.
12071 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12072 (ASM_SPEC): Pass down -mshared and -mno-shared.
12073 (MIPS_CALL): New macro.
12074 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12076 * doc/invoke.texi (-mabicalls): Update documentation.
12077 (-mshared): Document.
12079 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12081 * config/ia64/unwind-hpux.c: New file.
12082 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12084 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12087 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12089 2006-03-21 Jeff Law <law@redhat.com>
12091 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12092 type conversions of a VR_VARYING source to a wider type.
12094 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12096 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12097 tm_file on Solaris 10 and later.
12098 (sparc64-*-solaris2*): Likewise.
12099 (sparc-*-solaris2*): Likewise.
12100 * config/sol26.h: Rename to config/sol2-6.h.
12101 * config/sol2-10.h: New file.
12103 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12106 * tree-ssa-pre.c (create_component_ref_by_pieces):
12109 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12112 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12113 return it immediately.
12115 2006-03-21 Michael Matz <matz@suse.de>
12117 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12119 (remove_arc, add_arc): Update num_out_arcs member.
12120 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12122 (cache_presence): New function.
12123 (compare_states_for_equiv): New function.
12124 (state_is_differed): Don't take number of outargs, adjust callers.
12125 Use new invariant for speeding up.
12126 (init_equiv_class): Create initial classes based on sorted
12128 (partition_equiv_class): Don't track out_arcs_num.
12129 (evaluate_equiv_classes): Call cache_presence on all states and
12132 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12134 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12135 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12136 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12137 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12139 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12140 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12141 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12142 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12143 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12145 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12146 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12147 (REGNO_REG_CLASS): ARGP is in PREGS.
12148 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12150 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12151 to deal with those addresses.
12152 * addresses.h: New file.
12153 * caller-save.c: Include "addresses.h".
12154 (init_caller_save): Use new base_reg_class function.
12155 * rtl-factoring.c: Include "addresses.h".
12156 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12157 * recog.c: Include "addresses.h".
12158 (preprocess_constraints): Use new base_reg_class function.
12159 * regrename.c: Include "addresses.h".
12160 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12161 functions. Keep track of a new var INDEX_CODE to compute valid
12163 (replace_oldest_value_addr): Likewise.
12164 (replace_oldest_value_mem): Use base_reg_class.
12165 * reload.c: Include "addresses.h".
12166 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12167 (find_reloads): Use new base_reg_class function.
12168 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12169 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12170 all callers and prototype changed.
12171 * reload1.c: Include "addresses.h".
12172 (maybe_fix_stack_asms): Use base_reg_class.
12173 * regclass.c: Include "addresses.h".
12174 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12175 (init_reg_autoinc): Use new base_reg_class function.
12176 (record_reg_classes): Likewise.
12177 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12178 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12179 Use new args to compute necessary class.
12181 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12182 regrename.o, rtl-factoring.o): Update dependencies.
12183 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12184 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12185 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12186 REG_OK_FOR_INDEX_P): Delete documentation.
12188 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12190 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12191 from V7 to V9 for Solaris 7 and above.
12193 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12195 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12196 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12197 argument pointers may not alias any other storage.
12198 * common.opt: Define option -fargument-noalias-anything.
12199 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12200 alias semantics is specified by flag_argument_noalias > 2.
12202 2006-03-20 Jeff Law <law@redhat.com>
12204 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12205 (pass_phi_only_cprop): Declare.
12206 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12207 with phi_only_cprop
12208 * tree-ssa-dom.c (degenerate_phi_result): New function.
12209 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12210 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12211 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12212 (eliminate_degenerate_phis): Likewise.
12213 (pass_phi_only_cprop): New pass descriptor.
12214 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12215 support code. Callers updated.
12216 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12217 (store_copy_prop): Likewise.
12218 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12220 2006-03-20 Jason Merrill <jason@redhat.com>
12223 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12224 (push_visibility, pop_visibility): Likewise.
12225 * c-pragma.h: Declare them.
12227 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12229 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12231 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12232 parameter and use get_ebb_head_tail.
12233 (sh_md_init_global): Adjust uses of find_regmode_weight.
12235 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12237 * function.h (struct function) <x_tail_recursion_reentry>:
12238 Rename to x_stack_check_probe_note.
12239 (tail_recursion_reentry): Rename to stack_check_probe_note.
12240 * function.c: Replace tail_recursion_reentry with
12241 stack_check_probe_note everywhere.
12242 (expand_function_start): Only emit a note for
12243 stack_check_probe_note with -fstack-protect.
12244 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12246 * emit-rtl.c (remove_unnecessary_notes): Remove.
12247 (pass_remove_unnecessary_notes): Remove.
12248 * rtl.h (remove_unnecessary_notes): Remove prototype.
12249 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12250 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12251 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12253 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12256 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12257 (valid_in_set): Handle ARRAY_REF.
12258 Change "if min_variant or VH" to asserts.
12259 (create_component_ref_by_pieces): Handle ARRAY_REF.
12260 (create_expression_by_pieces): Likewise.
12261 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12263 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12265 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12266 is operand of switch, not str[0].
12268 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12270 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12271 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12273 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12275 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12276 end of insn_extra_address_constraint declaration.
12278 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12280 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12281 (no-sum-in-toc): Same.
12282 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12284 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12285 NO_FP_IN_TOC for -fPIC instead of mask.
12287 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12288 (BOOT_LDFLAGS): Delete.
12290 * config/rs6000/t-aix52: Same.
12292 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12293 (stmsi[345678]_power): New.
12295 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12297 * config/ia64/ia64.opt: Add empty line to end of file.
12299 2006-03-17 Richard Guenther <rguenther@suse.de>
12301 PR middle-end/26721
12302 * builtins.c (get_pointer_alignment): For component style references
12303 adjust alignment to the component type alignment. Make sure
12304 to adjust alignment for component access of constants.
12306 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12308 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12309 unconditional jump.
12311 2006-03-17 Paul Brook <paul@codesourcery.com>
12313 * doc/install.texi: Docuemnt --with-mode.
12314 * config.gcc: Add --with-mode for arm*-*-*.
12315 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12317 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12319 * sh.c (max_labelno_before_reorg): New variable.
12320 (sh_reorg): Initialize it.
12321 (find_barrier): Check max_labelno_before_reorg before using
12322 label_to_alignment. Take length of explicit alignment insns
12323 into account. When seeing a UNSPECV_CONST_END, return it.
12325 * sh.c (fixup_mova): Set mode of affected label to QImode.
12326 (untangle_mova): New function.
12327 (find_barrier): Use it. Check mode of label before decrementing
12329 (sh_reorg): Likewise.
12330 Set mode of all insns back to VOIDmode.
12332 * sh.c (MOVA_LABELREF): New macro.
12333 (mova_p, fixup_mova, sh_reorg): Use it.
12334 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12335 ADDR_DIFF_VEC matches mova.
12337 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12339 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12340 with ATTRIBUTE_UNUSED.
12342 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12344 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12345 pointer, instead of assuming it is possible to derive the
12346 correct args size from a call insn.
12348 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12350 * rtl.h (CONST_INT_P): Define.
12351 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12352 instead of GET_CODE(x) == CONST_INT.
12353 (vax_rtx_costs): Likewise.
12354 (vax_output_int_move): Likewise.
12355 (vax_output_int_add): Likewise.
12356 (legitimate_constant_address_p): Likewise.
12357 (index_term_p): Likewise.
12358 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12359 * config/vax/vax.md (and<mode>3): Likewise.
12360 (ashrsi3): Likewise.
12362 (movstricthi): Likewise.
12363 (movstrictqi): Likewise.
12364 (rotrsi3): Likewise.
12365 (five unnamed insns): Likewise.
12367 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12369 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12370 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12371 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12372 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12373 Pass to ASM_OUTPUT_DWARF_OFFSET.
12374 * dwarf2out.c (debug_frame_section): New.
12375 (output_call_frame_info): Use debug_frame_section. Pass it to
12376 dw2_asm_output_offset.
12377 (output_die): Pass appropriate section to dw2_asm_output_offset.
12378 (output_compilation_unit_header): Likewise.
12379 (output_pubnames): Likewise.
12380 (output_aranges): Likewise.
12381 (enum dw_val_class): Break dw_val_class_lbl_offset into
12382 dw_val_class_lineptr and dw_val_class_macptr.
12383 (add_AT_lbl_offset): Delete.
12384 (add_AT_lineptr): New.
12385 (add_AT_macptr): New.
12386 (AT_lbl): Expect a lineptr or macptr.
12387 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12388 (attr_checksum): Likewise.
12389 (same_dw_val_p): Likewise.
12390 (size_of_die): Likewise.
12391 (value_format): Likewise.
12392 (output_die): Likewise.
12393 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12395 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12396 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12397 * config/darwin-protos.h (darwin_file_start): New.
12398 (darwin_asm_output_dwarf_offset): New.
12399 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12400 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12402 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12403 if not EH section; simplify.
12404 (darwin_file_start): New.
12405 (darwin_asm_output_dwarf_offset): New.
12406 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12408 (DEBUG_INFO_SECTION): Likewise.
12409 (DEBUG_ABBREV_SECTION): Likewise.
12410 (DEBUG_ARANGES_SECTION): Likewise.
12411 (DEBUG_MACINFO_SECTION): Likewise.
12412 (DEBUG_LINE_SECTION): Likewise.
12413 (DEBUG_LOC_SECTION): Likewise.
12414 (DEBUG_PUBNAMES_SECTION): Likewise.
12415 (DEBUG_STR_SECTION): Likewise.
12416 (DEBUG_RANGES_SECTION): Likewise.
12417 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12418 (ASM_OUTPUT_DWARF_OFFSET): New.
12420 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12422 * config.gcc (tm_defines): Always add to previous value rather
12425 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12427 * config/mips/predicates.md (splittable_const_int_operand): New,
12428 split from move_operand.
12429 (splittable_symbolic_operand): New.
12430 (move_operand): Add commentary. Use splittable_const_int_operand.
12431 Inline mips_atomic_symbolic_constant_p.
12432 * config/mips/mips.md: Add combine splitters for handling moves
12433 of splittable_const_int_operands and splittable_symbolic_operands.
12434 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12435 (mips_split_symbol): Declare.
12436 (mips_move_integer): Declare.
12437 * config/mips/mips.c (mips_split_p): Make global.
12438 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12439 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12440 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12441 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12442 (mips_offset_within_object_p): Handle block symbols.
12443 (mips_atomic_symbolic_constant_p): Delete.
12444 (mips_cannot_force_const_mem): Return false for constants that
12445 mips_legitimize_move can handle.
12446 (mips_use_blocks_for_constant_p): New function.
12447 (mips_split_symbol): Make global.
12448 (mips_move_integer): Likewise. Add a temporary register argument.
12449 (mips_legitimize_const_move): Use splittable_const_int_operand and
12450 splittable_symbolic_operand.
12451 (mips_use_anchors_for_symbol_p): New function.
12452 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12453 (mips_split_p): Declare.
12455 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12457 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12458 (mips*-*-linux*): Likewise.
12460 2006-03-16 Roger Sayle <roger@eyesopen.com>
12461 Daniel Speyer <dspeyer@wam.umd.edu>
12463 PR middle-end/18259
12464 * tree-dump.c (dump_real): New function.
12465 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12466 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12467 (tree-dump.o): Add $(REAL_H) to the dependencies.
12469 2006-03-16 Roger Sayle <roger@eyesopen.com>
12471 PR middle-end/21781
12472 * real.c (real_from_string): If the mantissa is zero, don't bother
12473 parsing the exponent as the result should always be zero.
12475 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12477 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12479 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12481 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12482 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12483 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12484 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12485 ia64_sched_finish_global): New static functions to implement
12486 hooks from gcc_target.sched.
12487 (spec_check_no, max_uid, pending_data_specs): New static variables.
12488 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12489 ia64_spec_check_src_p): New static functions.
12490 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12491 (TARGET_SCHED_ADJUST_COST): Removed.
12492 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12493 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12494 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12495 TARGET_SCHED_GEN_CHECK,
12496 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12497 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12498 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12499 Fixed to handle speculation checks.
12500 (rtx_needs_barrier): Fixed to handle speculative loads and
12502 (ia64_variable_issue): Added code to count speculative loads and their
12504 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12506 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12508 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12510 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12511 (ia64_reorg): Reset stops_p to NULL after it is freed.
12512 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12513 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12514 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12516 (data_speculative, control_speculative, check_load): New attributes.
12517 (mov<mode>_advanced, mov<mode>_speculative,
12518 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12519 zero_extend<mode>di2_speculative,
12520 zero_extend<mode>di2_speculative_advanced): New patterns for
12521 data and control speculative loads.
12522 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12524 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12525 New pattern for data and control speculation checks.
12526 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12527 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12528 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12529 Auxiliary definitions for the patterns.
12530 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12531 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12533 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12535 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12536 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12537 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12538 New resource constraints.
12539 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12541 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12542 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12543 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12544 msched-in-control-spec, msched-ldc, msched-control-ldc,
12545 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12546 msched-prefer-non-control-spec-insns,
12547 msched-count-spec-in-critical-path): New flags to tune speculative
12549 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12550 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12551 msched-in-control-spec, msched-ldc, msched-control-ldc,
12552 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12553 msched-prefer-non-control-spec-insns,
12554 msched-count-spec-in-critical-path): Document new flags.
12556 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12558 * target.h (struct spec_info_def): New opaque declaration.
12559 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12560 speculate_insn, needs_block_p, gen_check,
12561 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12562 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12563 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12564 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12565 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12566 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12568 (TARGET_SCHED): Use new macros.
12569 * rtl.h (copy_DEPS_LIST_list): New prototype.
12570 * sched-int.h (struct sched_info): Change signature of new_ready field,
12571 adjust all initializations. New fields: add_remove_insn,
12572 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12573 region_head_or_leaf_p.
12574 (struct spec_info_def): New structure declaration.
12575 (spec_info_t): New typedef.
12576 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12577 recovery_block, orig_pat.
12578 (glat_start, glat_end): New variables declaraions.
12579 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12581 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12582 DETACH_LIFE_INFO, USE_GLAT.
12583 (enum SPEC_SCHED_FLAGS): New enumeration.
12584 (NOTE_NOTE_BB_P): New macro.
12585 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12586 attach_life_info, debug_spec_status, check_reg_live): New functions.
12587 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12588 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12590 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12591 * ddg.c (get_block_head_tail): Adjust all uses.
12592 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12593 (sms_sched_info): Initialize new fields.
12594 (contributes_to_priority): Removed.
12595 * haifa-sched.c (params.h): New include.
12596 (get_block_head_tail): Adjust all uses.
12597 (ISSUE_POINTS): New macro.
12598 (glat_start, glat_end): New global variables.
12599 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12600 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12601 old_last_basic_block, before_recovery, current_sched_info_var,
12602 rgn_n_insns, luid): New static variables.
12603 (insn_cost1): New function. Move logic from insn_cost to here.
12604 (find_insn_reg_weight1): New function. Move logic from
12605 find_insn_reg_weight to here.
12606 (reemit_notes, move_insn, max_issue): Change signature.
12607 (move_insn1): Removed.
12608 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12609 extend_bb): New static functions to support extension of scheduler's
12611 (generate_recovery_code, process_insn_depend_be_in_spec,
12612 begin_speculative_block, add_to_speculative_block,
12613 init_before_recovery, create_recovery_block, create_check_block_twin,
12614 fix_recovery_deps): New static functions to support
12615 generation of recovery code.
12616 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12617 restore_bb_notes, move_block_after_check, move_succs): New static
12618 functions to support ebb scheduling.
12619 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12620 functions to support handling of register live information.
12621 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12622 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12623 add_jump_dependencies): New static functions.
12624 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12625 consistancy checking.
12626 (debug_spec_status): New function to call from debugger.
12627 (priority): Added code to handle speculation checks.
12628 (rank_for_schedule): Added code to distinguish speculative instructions.
12629 (schedule_insn): Added code to handle speculation checks.
12630 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12631 Fixed to handle ebbs.
12632 (move_insn): Added code to handle ebb scheduling.
12633 (max_issue): Added code to use ISSUE_POINTS of instructions.
12634 (choose_ready): Added code to choose between speculative and
12635 non-speculative instructions.
12636 (schedule_block): Added code to handle ebb scheduling and scheduling of
12637 speculative instructions.
12638 (sched_init): Initialize new variables.
12639 (sched_finish): Free new variables. Print statistics.
12640 (try_ready): Added code to handle speculative instructions.
12641 * lists.c (copy_DEPS_LIST_list): New function.
12642 * sched-deps.c (extend_dependency_caches): New function. Move logic
12643 from create_dependency_caches to here.
12644 (get_dep_weak, ds_merge): Make global.
12645 * genattr.c (main): Code to output prototype for
12646 dfa_clear_single_insn_cache.
12647 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12648 (output_dfa_clean_insn_cache_func): Code to output
12649 dfa_clear_single_insn_cache function.
12650 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12652 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12654 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12655 New static variables.
12656 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12657 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12659 (ebb_sched_info): Initialize new fields.
12660 (get_block_head_tail): Adjust all uses.
12661 (compute_jump_reg_dependencies): Fixed to use glat_start.
12662 (schedule_ebb): Code to remove unreachable last block.
12663 (schedule_ebbs): Added code to update register live information.
12664 * sched-rgn.c (region_sched_info): Initialize new fields.
12665 (get_block_head_tail): Adjust all uses.
12666 (last_was_jump): Removed. Adjust users.
12667 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12668 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12669 Implement new hooks.
12670 (check_dead_notes1): New static function.
12671 (struct region): New fields: dont_calc_deps, has_real_ebb.
12672 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12673 (BB_TO_BLOCK): Fixed to handle EBBs.
12674 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12675 (ebb_head): New static variable.
12676 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12677 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12679 (compute_dom_prob_ps): New assertion.
12680 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12681 global_live_at_start.
12682 (init_ready_list): New assertions.
12683 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12684 (new_ready): Add support for BEGIN_CONTROL speculation.
12685 (schedule_insns): Fixed code that updates register live information
12687 (schedule_region): Fixed to handle EBBs.
12688 (init_regions): Use extend_regions and check_dead_notes1.
12689 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12690 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12691 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12692 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12693 TARGET_SCHED_GEN_CHECK,
12694 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12695 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12696 * doc/invoke.texi (max-sched-insn-conflict-delay,
12697 sched-spec-prob-cutoff): Document.
12699 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12701 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12702 inter_tick, queue_index.
12703 (struct sched_info): Change signature of init_ready_list field.
12704 Adjust all initializations.
12705 (RESOLVED_DEPS): New access macro.
12706 (ready_add): Remove prototype.
12707 (try_ready): Add prototype.
12708 * sched-rgn.c (init_ready_list): Use try_ready.
12709 (schedule_region): Initialize
12710 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12711 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12712 (init_ready_list): Use try_ready.
12713 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12714 * lists.c (remove_list_elem): Remove `static'.
12715 (remove_free_INSN_LIST_elem): New function.
12716 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12717 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12718 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12720 (readyp): New variable.
12721 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12722 change_queue_index, resolve_dep): New static functions.
12723 (try_ready): New function. Adjust callers in sched-rgn.c and
12724 sched-ebb.c to use it instead of ready_add.
12725 (clock_var): Move at the begining of file.
12726 (rank_for_schedule): Fix typo.
12727 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12728 (ready_lastpos): Enforce assertion.
12729 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12730 update all callers.
12731 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12732 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12733 (queue_to_ready): Use free_INSN_LIST_list.
12734 (early_queue_to_ready): Fix typo.
12735 (schedule_block): Init readyp. Move init_ready_list call after the
12736 initialization of clock_var. Fix error in rejecting insn by
12737 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12738 that previously corrected INSN_TICKs. Add code for handling
12740 (set_priorities): Fix typo.
12741 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12742 Clarify comment and code that keeps current_sched_info->next_tail
12745 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12747 * sched-rgn.c (extend_rgns): New static function.
12748 (find_rgns): Use it.
12749 (gather_region_statistics, print_region_statistics): New static
12751 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12752 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12754 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12755 Andrey Belevantsev <abel@ispras.ru>
12757 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12758 * lists.c (unused_deps_list): New variable.
12759 (free_list): Add assertions to verify the proper distinguishing
12760 between INSN_LISTs and DEPS_LISTs.
12761 (find_list_elem, remove_list_elem, remove_list_node): New static
12763 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12764 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12765 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12766 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12768 (free_INSN_LIST_node): Likewise.
12769 * modulo-sched.c (current_sched_info): Initialize flags field.
12770 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12771 * rtl.def (DEPS_LIST): Define.
12772 * rtl.h: Declare new functions from lists.c.
12773 * sched-deps.c (spec_dependency_cache): New static variable.
12774 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12775 (add_dependence): Change return type to void. Move the logic to ...
12776 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12777 (delete_all_dependences): Add comment about forward_dependency_cache.
12778 Handle spec_dependency_cache. Handle DEPS_LISTs.
12779 (fixup_sched_groups): Clarify the change of priority of output
12780 and anti dependencies.
12781 (sched_analyze_2): Adjust add_dependence calls to create data
12782 speculative dependence.
12783 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12784 Adjust all callers. Handle DEPS_LISTS.
12785 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12786 presence of speculation.
12787 (init_dependency_caches, free_dependency_caches):
12788 Handle spec_dependency_cache.
12789 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12790 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12791 New static functions.
12792 (add_or_update_back_dep, add_or_update_back_forw_dep,
12793 add_back_forw_dep, delete_back_forw_dep): New functions.
12794 * sched-int.h (ds_t, dw_t): New typedefs.
12795 (struct sched_info): Add new field flags.
12796 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12797 Prototype new sched-deps.c functions.
12798 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12799 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12800 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12801 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12802 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12803 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12805 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12807 * sched-rgn.c (current_sched_info): Initialize flags field.
12808 (schedule_insns): Initialize current_sched_info before the sched_init
12810 * sched-ebb.c (current_sched_info): Initialize flags field.
12811 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12812 Call add_or_update_back_dep instead of add_dependence.
12813 Create control speculative dependencies.
12814 (schedule_insns): Initialize current_sched_info before the sched_init
12817 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12819 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12821 (sh_fallback_frame_state): Likewise.
12823 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12825 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12826 Do switch on default_use_cxa_atexit.
12827 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12828 * config/darwin-crt3.o: New.
12829 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12830 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12831 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12833 * config/rs6000/t-darwin: Move crt2.o building to here.
12834 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12835 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12838 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12840 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12841 from '! xxx' to '!xxx' for coding-style conformance.
12842 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12843 (EXTRA_CONSTRAINT): Likewise.
12844 * config/vax/vax.md (four unnamed insns): Likewise.
12846 2006-03-15 Paul Brook <paul@codesourcery.com>
12848 * config/arm/arm.c (minipool_pad): New.
12849 (add_minipool_forward_ref): Include pool alignment padding in address
12851 (push_minipool_fix): Set minipool_pad.
12852 (minipool_pad): Ditto.
12854 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12856 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12857 instead of GET_CODE() == MEM and REG_P() instead of
12859 (print_operand_address): Likewise.
12860 (vax_address_cost): Likewise.
12861 (vax_rtx_costs): Likewise.
12862 (vax_notice_update_cc): Likewise.
12863 (vax_output_int_add): Likewise.
12864 (INDEX_REGISTER_P): Likewise.
12865 (BASE_REGISTER_P): Likewise.
12866 (nonindexed_address_p): Likewise.
12867 (vax_mode_dependent_address_p): Likewise.
12868 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12869 (PRINT_OPERAND): Likewise.
12870 * config/vax/vax.md (ashlsi3): Likewise.
12871 (ashlsi3): Likewise.
12872 (some more unnamed insns): Likewise.
12874 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12876 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12877 iterator-style macro.
12878 (mark_control_dependent_edges_necessary): Update the use of
12879 EXECUTE_IF_CONTROL_DEPENDENT.
12881 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12883 * config/sh/predicates.md (cache_address_operand): Special.
12884 (ua_address_operand): Likewise.
12886 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12888 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12890 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12892 2006-03-15 Andreas Schwab <schwab@suse.de>
12894 * gensupport.c (identify_predicable_attribute): Don't free p_false
12895 when it is still in use.
12897 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12899 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12900 the default setting here.
12902 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12904 * tree-pass.h (pass_cfg): Remove.
12905 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12906 * passes.c (pass_cfg): Don't run it.
12908 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12910 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12911 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12913 (stack_regs_mentioned): Update the uses of
12914 stack_regs_mentioned_data. Don't access the array beyond its
12916 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12917 Don't include gt-reg-stack.h.
12919 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12920 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12922 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12924 PR middle-end/26684
12925 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12928 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12930 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12932 2006-03-14 Richard Guenther <rguenther@suse.de>
12934 PR tree-optimization/26672
12935 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12938 2006-03-14 Richard Guenther <rguenther@suse.de>
12940 PR tree-optimization/26667
12941 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12942 node for the callees. Always allow inlining if it will shrink
12945 2006-03-14 Richard Guenther <rguenther@suse.de>
12947 PR middle-end/26659
12948 * builtins.c (get_pointer_alignment): Prefer alignment
12949 information from decls over that from types.
12951 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12954 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12956 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12958 * config/rs6000/rs6000.opt (mdlmzb): New option.
12959 (msched-prolog, msched-epilog): Use Var not Mask.
12960 * doc/invoke.texi (-mdlmzb): Document.
12961 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12963 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12964 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12966 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12968 PR rtl-optimization/25739
12969 * bt-load.c (augment_live_range): Free tos pointer.
12971 * gensupport.c (identify_predicable_attribute): Free
12973 * gcov.c (create_file_names): Free name pointer.
12975 2006-03-13 Roger Sayle <roger@eyesopen.com>
12977 PR middle-end/26557
12978 * stmt.c (emit_case_nodes): Handle the case where the index is a
12979 CONST_INT, where the comparison mode is specified by the index type.
12981 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12983 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
12986 2006-03-13 Richard Sandiford <richard@codesourcery.com>
12988 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
12989 (*branch_fp_inverted): Likewise.
12991 2006-03-13 Jakub Jelinek <jakub@redhat.com>
12993 PR middle-end/25989
12994 * omp-low.c (expand_omp_for_generic): Mark istart0
12995 and iend0 as addressable.
12997 2006-03-13 Jie Zhang <jie.zhang@analog.com>
12999 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13001 2006-03-13 Jeff Law <law@redhat.com>
13003 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13004 virtual operands are interesting.
13005 (vrp_visit_stmt): Corresponding changes.
13007 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13009 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13011 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13012 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13013 * config/bfin/crti.S: Use it instead of __PIC__.
13014 * config/bfin/crtn.S: Likewise.
13016 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13017 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13019 Lose 'G' modifier for call operand.
13020 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13021 recognize 'G' modifier.
13023 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13025 PR middle-end/18859
13026 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13027 * stmt.c (expand_case): Likewise.
13029 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13031 PR rtl-optimization/26254
13032 * loop-invariant.c (seq_insns_valid_p): New function.
13033 (move_invariant_reg): Only emit new code if it is valid.
13035 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13037 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13039 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13040 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13041 (commit_one_edge_insertion): Do not look for loop notes.
13043 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13045 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13046 flag_test_coverage out of loop.
13048 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13050 * final.c (shorten_branches): Remove outdated comment, and turn
13051 the if branch that guards it to continue.
13053 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13055 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13056 * cfgloop.h (struct loop): Remove unused fields.
13058 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13060 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13061 (-dL, -fdump-rtl-loop2): Update the dump file names
13063 * doc/invoke.texi: Update dump file names.
13065 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13067 * predict.c (estimate_probability): Remove.
13068 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13069 * basic-block.h (estimate_probability): Remove prototype.
13070 * passes.c (finish_optimization_passes): Dump branch prediction or
13071 profiling heuristics to the .profile tree dump.
13072 (init_optimization_passes): Unqueue pass_branch_prob.
13074 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13076 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13078 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13079 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13081 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13083 * function.h (frame_offset_overflow): Declare.
13084 * function.c (frame_offset_overflow): New function.
13085 (assign_stack_local_1): Call it to detect that the offset overflows.
13086 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13088 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13090 * config/sh/sh.c: Include alloc-pool.h.
13091 (label_ref_list_pool): New alloc pool.
13092 (label_ref_list_t): New type for lists of labels.
13093 (struct pool_node): Make wend a label_ref_list_t.
13094 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13096 (dump_table): Likewise.
13097 (sh_reorg): Set up the alloc pool before using add_constant and
13098 dump_table, and destroy it when finishing.
13100 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13102 * config/mips/mips.c: Remove redundant comment.
13104 2006-03-10 Jason Merrill <jason@redhat.com>
13107 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13108 the target was declared 'register'.
13110 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13112 * genpreds.c (write_insn_constraint_len): Change definition of
13113 insn_constraint_len to return size_t to match the declaration.
13115 2006-03-10 DJ Delorie <dj@redhat.com>
13117 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13119 (m32c_expand_insv): Fix test for an AND mask.
13121 2006-03-10 Richard Guenther <rguenther@suse.de>
13123 PR middle-end/26565
13124 * builtins.c (get_pointer_alignment): Handle component
13125 references for field alignment.
13127 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13129 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13130 when building with libgloss.
13131 (sh*elf): Implement --without-fp option.
13132 (sh64-superh-linux*): Don't multilib.
13134 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13136 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13138 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13140 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13141 Set it when one of the replacement functions returned true.
13142 Return TODO_cleanup_cfg if cfgchanged is true.
13143 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13145 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13147 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13148 instead of gen_lowpart.
13150 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13152 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13154 (mips_output_order_conditional_branch): Declare.
13155 * config/mips/mips.h (MIPS_BRANCH): New macro.
13156 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13157 for the comparison. Use gen_condjump.
13158 (mips_output_conditional_branch): Rework interface to take the
13159 asm templates for a direct branch and the inverse of a direct branch.
13160 (mips_output_order_conditional_branch): New function.
13161 (mips_builtin_branch_and_move): New function.
13162 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13163 branch condition. Use gen_single_cc as the condition for
13164 __builtin_mips_upper_* or __builtin_mips_lower_*.
13165 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13166 Use VOIDmode for the branch condition.
13167 * config/mips/predicates.md (order_operator): New predicate.
13168 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13169 (branch_fp): Rename to...
13170 (*branch_fp): ...this. Remove mode from comparison operator.
13171 Use new mips_output_conditional_branch interface.
13172 (branch_fp_inverted): Rename to...
13173 (*branch_fp_inverted): ...this and update as for *branch_fp.
13174 (*branch_zero<mode>): Rename to...
13175 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13176 Use mips_output_order_conditional_branch. Only accept ordered
13178 (*branch_zero<mode>_inverted): Rename to...
13179 (*branch_order<mode>_inverted): ...this and update as for
13180 *branch_order<mode>.
13181 (*branch_equality<mode>): Accept zero as the second operand to
13182 the equality operator. Use the new mips_output_conditional_branch
13184 (*branch_equality<mode>_inverted): Likewise.
13185 (condjump): New expander.
13186 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13188 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13189 (bc1any2t, bc1any2f): Likewise.
13190 (single_cc): New expander.
13191 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13193 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13195 * doc/md.texi: Update documentation of MIPS constraints.
13196 * config/mips/constraints.md: New file.
13197 * config/mips/mips.md: Include it.
13198 * config/mips/mips.c (mips_char_to_class): Delete.
13199 (override_options): Don't initialize mips_char_to_class.
13200 * config/mips/mips.h (mips_char_to_class): Delete.
13201 (REG_CLASS_FROM_LETTER): Delete.
13202 (CONST_OK_FOR_LETTER_P): Delete.
13203 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13204 (EXTRA_CONSTRAINT_Y): Delete.
13205 (EXTRA_CONSTRAINT_STR): Delete.
13206 (CONSTRAINT_LEN): Delete.
13207 (EXTRA_MEMORY_CONSTRAINT): Delete.
13209 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13211 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13212 original fn's eh regions.
13214 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13216 * fold-const.c (build_range_check): Make sure to use a valid type to
13217 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13220 (range_predecessor): New static function.
13221 (range_successor): Likewise.
13222 (merge_ranges): Use them to compute predecessors and successors of
13225 2006-03-09 Roger Sayle <roger@eyesopen.com>
13227 PR middle-end/26561
13228 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13229 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13231 2006-03-08 DJ Delorie <dj@redhat.com>
13233 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13234 (addpsi3): Expand to include memory operands. Remove
13235 reload-specific splits.
13236 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13237 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13238 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13239 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13240 (shift1_qi, shift1_hi, insv): New.
13241 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13242 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13243 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13245 * config/m32c/m32c-protos.h: Update as needed.
13246 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13247 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13248 Fail for unrecognized R* constraints.
13249 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13250 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13251 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13253 (m32c_init_libfuncs): New.
13254 (m32c_legitimate_address_p): Add debug wrapper.
13255 (m32c_rtx_costs): New.
13256 (m32c_address_cost): New.
13257 (conversions): Add 'B' prefix.
13258 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13259 operands, or word regnames for QI operands. 'B' prints bit
13261 (m32c_expand_setmemhi): New.
13262 (m32c_expand_movmemhi): New.
13263 (m32c_expand_movstr): New.
13264 (m32c_expand_cmpstr): New.
13265 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13266 (m32c_expand_neg_mulpsi3): Handle non-ints.
13267 (m32c_cmp_flg_0): New.
13268 (m32c_expand_movcc): New.
13269 (m32c_expand_insv): New.
13270 (m32c_scc_pattern): New.
13271 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13272 a0/a1 out of SIregs.
13273 (STORE_FLAG_VALUE): New.
13274 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13277 * config/m32c/mov.md: Make constraints more liberal.
13278 (zero_extendqihi2): Optimize r0/r1 case.
13279 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13280 * config/m32c/predicates.md (m32c_any_operand): New.
13281 (m32c_nonimmediate_operand): New.
13282 (m32c_hl_operand): New.
13283 (m32c_r3_operand): New.
13286 (memsym_operand): New.
13287 (memimmed_operand): New.
13288 (a_qi_operand): New.
13289 (m32c_eqne_operator): New.
13290 (m32c_1bit8_operand): New.
13291 (m32c_1bit16_operand): New.
13292 (m32c_1mask8_operand): New.
13293 (m32c_1mask16_operand): New.
13294 * config/m32c/blkmov.md: New file.
13295 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13297 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13299 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13300 unsigned to fix signed/unsigned comparison issue in
13301 DWARF2_FRAME_REG_OUT.
13302 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13303 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13305 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13306 of ptr into the ENABLE_CHECKING section.
13308 2006-03-08 Jeff Law <law@redhat.com>
13310 * tree-vrp.c (infer_value_range): Only count pointer uses
13311 and dereferences if -fdelete-null-pointer-checks is enabled.
13313 * tree-vrp.c (find_assert_locations): Infer value ranges for
13314 single use pointers, but do not create ASSERT_EXPRs for them.
13315 When a non-null range is inferred for a pointer, backwards
13316 propagate that range to other equivalent pointers through the
13319 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13322 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13323 language hook targets.
13324 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13325 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13326 if language hook targets were missing.
13328 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13330 * tree-ssa-opfinalize.h: Removed.
13331 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13333 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13334 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13335 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13336 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13337 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13338 finalize_ssa_v_must_def_ops): New.
13340 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13342 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13343 block as parameter.
13345 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13347 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13349 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13350 addresses with offsets; reorganize.
13352 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13353 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13354 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13356 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13359 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13361 2006-03-08 Ben Elliston <bje@au.ibm.com>
13363 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13365 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13368 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13371 2006-03-07 Richard Guenther <rguenther@suse.de>
13373 PR tree-optimization/26587
13374 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13376 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13378 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13380 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13382 * hooks.c (hook_bool_mode_rtx_true): New function.
13383 * hooks.h (hook_bool_mode_rtx_true): Declare.
13384 * toplev.c (compile_file): Call output_shared_constant_pool.
13385 * varasm.c (shared_constant_pool): New variable.
13386 (assemble_start_function, assemble_end_function): Remove arguments
13387 from call to output_constant_pool.
13388 (create_constant_pool): New function, split out from...
13389 (init_varasm_status): ...here.
13390 (force_const_mem): Choose between the shared and per-function constant
13391 pools. Set current_function_uses_const_pool when reusing old entries
13392 as well as when creating new ones.
13393 (mark_constant): Ignore data argument.
13394 (mark_constants): Remove pool argument.
13395 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13396 to decide whether the function uses a constant pool.
13397 (output_constant_pool_contents): New function, split out from...
13398 (output_constant_pool): ...here.
13399 (output_shared_constant_pool): New function.
13400 (init_varasm_once): Initialize shared_constant_pool.
13401 * output.h (output_constant_pool): Delete.
13402 (output_shared_constant_pool): Declare.
13403 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13404 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13406 2006-03-06 Nick Clifton <nickc@redhat.com>
13408 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13409 flag_strength_reduce.
13411 2006-03-06 Ben Elliston <bje@au.ibm.com>
13413 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13414 x86_64-*-linux* configurations.
13416 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13417 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13419 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13421 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13423 * basic-block.h: Remove the extern for
13424 rediscover_loops_after_threading.
13426 * cfgloop.c (cancel_loop): Make it static.
13427 * cfgloop.h: Remove the prototype for cancel_loop.
13429 * flow.c (recompute_reg_usage): Make it static.
13430 * rtl.h: Remove the prototype for recompute_reg_usage.
13432 * function.c (use_return_register): Make it static.
13433 * function.h: Remove the prototype.
13435 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13437 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13439 * recog.h: Remove the prototype for
13440 validate_change_maybe_volatile.
13442 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13444 * rtlanal.c (replace_reg): Remove.
13445 * rtl.h: Remove the prototype for replace_reg.
13447 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13449 * regclass.c (reg_scan_update): Remove.
13450 (reg_scan_mark_refs): Remove the last argument.
13451 * rtl.h: Remove the prototype for reg_scan_update.
13453 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13455 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13456 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13457 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13458 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13459 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13460 loop-invariant.c, omp-low.c, opts.c, passes.c,
13461 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13462 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13463 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13464 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13465 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13466 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13468 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13470 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13471 * dwarf2out.h: Remove the prototype for
13472 dwarf2out_add_library_unit_info.
13474 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13476 * tree.c (add_var_to_bind_expr): Remove.
13477 * tree.h: Remove the prototype for add_var_to_bind_expr.
13479 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13481 * regclass.c (n_non_fixed_regs): Remove.
13482 (init_reg_sets_1, globalize_reg): Remove all uses of
13484 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13486 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13488 * rtlanal.c (insns_safe_to_move_p): Remove.
13489 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13491 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13493 * expmed.c (expand_mult_add): Remove.
13494 * expr.h: Remove the prototype for expand_mult_add.
13496 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13498 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13499 and REG_SAVED_VAL_EXP constants.
13500 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13501 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13502 Handle regs stored by value.
13503 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13504 (execute_cfa_program): Handle DW_CFA_val_offset,
13505 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13506 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13507 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13508 (uw_install_context_1): Handle target regs stored by value.
13510 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13512 * tree-sra.c (tree_sra): Return todoflags;
13513 (generate_one_element): Set TODO_update_smt_usage if needed.
13514 (pass_sra): Remove TODO_update_smt_usage.
13515 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13517 (tree_ssa_forward_propagate_single_use_vars): Return
13518 TODO_update_smt_usage if we need to update SMT usage.
13519 (pass_forwprop): Remove TODO_update_smt_usage.
13521 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13523 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13524 (correct_use_link): Remove reference to get_stmt_operands.
13525 (update_stmt_operands): Likewise.
13526 (get_modify_expr_operands): New function factored out of
13527 parse_ssa_operands and get_expr_operands.
13528 Try to create V_MUST_DEFs for LHS by default.
13529 (get_expr_operands) <case MODIFY_EXPR>: Call
13530 get_modify_expr_operands.
13531 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13532 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13533 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13534 get_modify_expr_operands.
13536 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13538 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13539 * tree-flow.h: Remove the prototype for
13540 referenced_var_lookup_if_exists.
13542 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13544 PR rtl-optimization/26345
13546 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13548 2006-03-03 Roger Sayle <roger@eyesopen.com>
13550 PR tree-optimization/26524
13551 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13552 fold_convert to create a constant of the appropriate type.
13554 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13556 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13557 SYMBOL_REF_IN_BLOCK_P.
13558 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13559 of SYMBOL_FLAG_IN_BLOCK.
13560 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13561 instead of SYMBOL_REF_IN_BLOCK_P.
13562 * explow.c (use_anchored_address): Likewise.
13563 * rtl.c (rtx_size): Likewise.
13564 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13565 instead of SYMBOL_FLAG_IN_BLOCK.
13566 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13567 SYMBOL_REF_IN_BLOCK_P.
13568 (assemble_variable): Likewise.
13569 (output_constant_def_contents): Likewise.
13570 (output_constant_pool): Likewise.
13571 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13572 instead of SYMBOL_FLAG_IN_BLOCK.
13573 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13574 SYMBOL_REF_IN_BLOCK_P.
13575 (SYMBOL_REF_BLOCK): Likewise.
13576 (SYMBOL_REF_OFFSET): Likewise.
13577 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13578 SYMBOL_REF_IN_BLOCK_P.
13579 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13580 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13581 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13582 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13584 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13586 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13588 2006-03-02 Roger Sayle <roger@eyesopen.com>
13590 * simplify-rtx.c (simplify_unary_operation): When simplifying
13591 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13592 that we perform the right shift in the appropriate mode, and
13593 then extend or truncate the result to requested mode.
13595 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13597 * gengtype.c (main): Handle double_int type.
13598 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13599 * double-int.c: New file.
13600 * double-int.h: New file.
13601 * system.h: Include doubleint.h.
13602 * Makefile.in (SYSTEM_H): Include double-int.h.
13603 (double-int.o): Add.
13605 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13608 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13611 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13613 * tree-vrp.c (remove_range_assertions): Do not update statements
13616 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13618 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13620 * gcse.c (rest_of_handle_gcse): Ditto.
13621 * except.c (gate_handle_eh): Ditto.
13622 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13623 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13625 2006-03-02 Eric Christopher <echristo@apple.com>
13627 * config/i386/i386.c (machopic_output_stub): Add indirection to
13630 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13634 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13636 Sun Niagara specific optimizations.
13637 * config.gcc: Recognize niagara as target.
13638 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13639 (TARGET_CPU_niagara): Define.
13640 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13641 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13642 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13643 (ASM_CPU_SPEC): Likewise.
13644 (PROCESSOR_NIAGARA): New enum entry.
13645 (REGISTER_MOVE_COST): Handle Niagara.
13646 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13647 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13648 (sparc_override_options): Recognize "niagara", set appropriate
13649 default MASK_* values for it, and align functions to 32-bytes
13650 by default just like ULTRASPARC/ULTRASPARC3.
13651 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13652 (sparc64_initialize_trampoline): Likewise.
13653 (sparc_use_sched_lookahead): Use zero for niagara.
13654 (sparc_issue_rate): Use one for niagara.
13655 * config/sparc/niagara.md: New file.
13656 * config/sparc/sparc.md: Include it.
13657 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13658 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13659 when default cpu is niagara.
13660 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13661 (ASM_CPU_SPEC): Likewise.
13662 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13663 when default cpu is niagara.
13664 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13665 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13666 just like v9/ultrasparc/ultrasparc3.
13667 * doc/invoke.texi: Add documentation for "niagara" and improve
13668 existing documentation for ultrasparc variants.
13670 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13672 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13674 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13676 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13677 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13678 and say that only one is needed.
13679 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13680 * target.h (have_switchable_bss_sections): New hook.
13681 * explow.c (use_anchored_address): Check that the symbol is in a block.
13682 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13683 (bss_noswitch_section): New variables.
13684 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13685 (get_noswitch_section): New function.
13686 (get_block_for_section): Allow SECT to be null.
13687 (unlikely_text_section_p): Use SECTION_STYLE.
13688 (bss_initializer_p): New function.
13689 (get_variable_section): Move earlier in file. Take a new argument,
13690 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13691 Return one of the new *_sections in such cases.
13692 (get_block_for_decl): New function, extracting some logic from
13693 use_blocks_for_decl_p.
13694 (change_symbol_section): Remove in favor of...
13695 (change_symbol_block): ...this new function.
13696 (use_blocks_for_decl_p): Remove checks now performed by
13697 get_block_for_decl.
13698 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13699 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13700 (emit_local, emit_bss, emit_common): ...these new functions.
13701 Return true if the alignment was honored.
13702 (emit_tls_common): New function.
13703 (asm_emit_uninitialised): Delete.
13704 (assemble_variable_noswitch): New function, split out from...
13705 (assemble_variable): ...here. Don't make decisions about common
13706 variables here. Globalize all public decls that go into non-common
13707 sections. Check whether SYMBOL_REF_BLOCK is null.
13708 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13709 (output_constant_pool): Likewise.
13710 (init_varasm_once): Initialize the new section variables.
13711 (have_global_bss_p): New function.
13712 (categorize_decl_for_section): Use bss_initializer_p.
13713 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13714 (place_block_symbol): Assert that the symbol must be in a block.
13715 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13716 (TARGET_INITIALIZER): Include it.
13717 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13718 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13719 (SECTION_MACH_DEP): Bump by two.
13720 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13721 (unnamed_section): Mention SECTION_UNNAMED in comment.
13722 (named_section): Likewise SECTION_NAMED.
13723 (noswitch_section_callback): New type.
13724 (noswitch_section): New structure.
13725 (section): Add a noswitch_section alternative.
13726 (SECTION_STYLE): New macro.
13727 (tls_comm_section, comm_section, lcomm_section): Declare.
13728 (bss_noswitch_section, have_global_bss_p): Declare.
13729 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13730 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13732 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13733 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13736 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13738 * tree-vrp.c (execute_vrp): Return value.
13739 * regrename.c (rest_of_handle_regrename): Ditto.
13740 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13741 * tree-complex.c (tree_lower_complex): Ditto.
13742 (tree_lower_complex_O0): Ditto.
13743 * tracer.c (rest_of_handle_tracer): Ditto.
13744 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13745 * postreload.c (rest_of_handle_postreload): Ditto.
13746 * tree-tailcall.c (execute_tail_recursion): Ditto.
13747 (execute_tail_calls): Ditto.
13748 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13749 * tree.h (init_function_for_compilation): Ditto.
13750 * ipa-cp.c (ipcp_driver): Ditto.
13751 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13752 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13753 * final.c (compute_alignments): Ditto.
13754 (rest_of_handle_final): Ditto.
13755 (rest_of_handle_shorten_branches): Ditto.
13756 (rest_of_clean_state): Ditto.
13757 * omp-low.c (execute_expand_omp): Ditto.
13758 (execute_lower_omp): Ditto.
13759 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13760 * ipa-reference.c (static_execute): Ditto.
13761 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13762 * reorg.c (rest_of_handle_delay_slots): Ditto.
13763 (rest_of_handle_machine_reorg): Ditto.
13764 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13765 * flow.c (recompute_reg_usage): Ditto.
13766 (rest_of_handle_remove_death_notes): Ditto.
13767 (rest_of_handle_life): Ditto.
13768 (rest_of_handle_flow2): Ditto.
13769 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13770 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13771 (do_ssa_store_ccp): Ditto.
13772 (execute_fold_all_builtins): Ditto.
13773 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13774 * modulo-sched.c (rest_of_handle_sms): Ditto.
13775 * ipa-pure-const.c (static_execute): Ditto.
13776 * cse.c (rest_of_handle_cse): Ditto.
13777 (rest_of_handle_cse2): Ditto.
13778 * web.c (rest_of_handle_web): Ditto.
13779 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13780 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13781 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13782 * tree-nrv.c (tree_nrv): Ditto.
13783 (execute_return_slot_opt): Ditto.
13784 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13785 (create_structure_vars): Ditto.
13786 * loop-init.c (rtl_loop_init): Ditto.
13787 (rtl_loop_done): Ditto.
13788 (rtl_move_loop_invariants): Ditto.
13789 (rtl_unswitch): Ditto.
13790 (rtl_unroll_and_peel_loops): Ditto.
13791 (rtl_doloop): Ditto.
13792 * gimple-low.c (lower_function_body): Ditto.
13793 (mark_used_blocks): Ditto.
13794 * tree-ssa-sink.c (execute_sink_code): Ditto.
13795 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13796 (cgraph_early_inlining): Ditto.
13797 * global.c (rest_of_handle_global_alloc): Ditto.
13798 * jump.c (cleanup_barriers): Ditto.
13799 (purge_line_number_notes): Ditto.
13800 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13801 (rest_of_handle_if_after_reload): Ditto.
13802 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13803 (tree_ssa_loop_im): Ditto.
13804 (tree_ssa_loop_unswitch): Ditto.
13805 (tree_vectorize): Ditto.
13806 (tree_linear_transform): Ditto.
13807 (tree_ssa_loop_ivcanon): Ditto.
13808 (tree_ssa_empty_loop): Ditto.
13809 (tree_ssa_loop_bounds): Ditto.
13810 (tree_complete_unroll): Ditto.
13811 (tree_ssa_loop_prefetch): Ditto.
13812 (tree_ssa_loop_ivopts): Ditto.
13813 (tree_ssa_loop_done): Ditto.
13814 * predict.c (tree_estimate_probability): Ditto.
13815 * recog.c (split_all_insns_noflow): Ditto.
13816 (rest_of_handle_peephole2): Ditto.
13817 (rest_of_handle_split_all_insns): Ditto.
13818 * tree-eh.c (lower_eh_constructs): Ditto.
13819 * regmove.c (rest_of_handle_regmove): Ditto.
13820 (rest_of_handle_stack_adjustments): Ditto.
13821 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13822 * function.c (instantiate_virtual_regs): Ditto.
13823 (init_function_for_compilation): Ditto.
13824 (rest_of_handle_check_leaf_regs): Ditto.
13825 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13826 (rest_of_handle_gcse): Ditto.
13827 * ipa-type-escape.c (type_escape_execute): Ditto.
13828 * alias.c (rest_of_handle_cfg): Ditto.
13829 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13830 * profile.c (rest_of_handle_branch_prob): Ditto.
13831 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13832 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13833 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13834 * tree-dfa.c (find_referenced_vars): Ditto.
13835 * except.c (set_nothrow_function_flags): Ditto.
13836 (convert_to_eh_region_ranges): Ditto.
13837 (rest_of_handle_eh): Ditto.
13838 * emit-rtl.c (unshare_all_rtl): Ditto.
13839 (remove_unnecessary_notes): Ditto.
13840 * except.h (set_nothrow_function_flags): Ditto.
13841 (convert_to_eh_region_ranges): Ditto.
13842 * cfgexpand.c (tree_expand_cfg): Ditto.
13843 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13844 * tree-ssa-pre.c (do_pre): Ditto.
13845 (execute_fre): Ditto.
13846 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13847 (rest_of_handle_jump2): Ditto.
13848 * tree-sra.c (tree_sra): Ditto.
13849 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13850 (execute_mudflap_function_decls): Ditto.
13851 * tree-ssa-copy.c (do_copy_prop): Ditto.
13852 (do_store_copy_prop): Ditto.
13853 * ipa-prop.h (ipcp_driver): Ditto.
13854 * cfglayout.c (insn_locators_initialize): Ditto.
13855 * tree-ssa-forwprop.c
13856 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13857 * cfglayout.h (insn_locators_initialize): Ditto.
13858 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13859 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13860 (execute_late_warn_uninitialized): Ditto.
13861 * rtl.h (cleanup_barriers): Ditto.
13862 (split_all_insns_noflow): Ditto.
13863 (purge_line_number_notes): Ditto.
13864 (unshare_all_rtl): Ditto.
13865 (remove_unnecessary_notes): Ditto.
13866 (recompute_reg_usage): Ditto.
13867 (variable_tracking_main): Ditto.
13868 * integrate.c (emit_initial_value_sets): Ditto.
13869 * integrate.h (emit_initial_value_sets): Ditto.
13870 * tree-optimize.c (execute_free_datastructures): Ditto
13871 (execute_free_cfg_annotations): Ditto.
13872 (execute_fixup_cfg): Ditto.
13873 (execute_cleanup_cfg_pre_ipa): Ditto.
13874 (execute_cleanup_cfg_post_optimizing): Ditto.
13875 (execute_init_datastructures): Ditto.
13876 * tree-object-size.c (compute_object_sizes): Ditto.
13877 * combine.c (rest_of_handle_combine): Ditto.
13878 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13879 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13880 (rest_of_handle_reorder_blocks): Ditto.
13881 (rest_of_handle_partition_blocks): Ditto.
13882 * var-tracking.c (variable_tracking_main): Ditto.
13883 * tree-profile.c (tree_profiling): Ditto.
13884 * tree-vect-generic.c (expand_vector_operations): Ditto.
13885 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13886 * sched-rgn.c (rest_of_handle_sched): Ditto.
13887 (rest_of_handle_sched2): Ditto.
13888 * basic-block.h (free_bb_insn): Ditto.
13889 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13890 * tree-cfg.c (execute_build_cfg): Ditto.
13891 (remove_useless_stmts): Ditto.
13892 (split_critical_edges): Ditto.
13893 (execute_warn_function_return): Ditto.
13894 (execute_warn_function_noreturn): Ditto.
13895 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13896 * cfgrtl.c (free_bb_for_insn): Ditto.
13897 * passes.c (execute_one_pass): Run additional
13898 todos returned by execute function.
13899 * tree-pass.h (struct tree_opt_pass): Make execute
13902 2006-03-02 Richard Guenther <rguenther@suse.de>
13904 * tree-ssa-alias.c (find_used_portions): Consider taking
13905 the address as making the variable not write-only.
13907 2006-03-02 Nick Clifton <nickc@redhat.com>
13909 * config.gcc (default_use_cxa_atexit): Extend the description of
13910 this configure variable. Set its default value to "yes" for
13911 Linux, NetBSD and ELF targets on the assumption that they will
13912 use C libraries with the __cxa_atexit function.
13914 2006-03-02 Ben Elliston <bje@au.ibm.com>
13916 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13917 parameter as unused to suppress a build warning.
13919 2006-03-02 Ben Elliston <bje@au.ibm.com>
13921 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13924 2006-03-01 Roger Sayle <roger@eyesopen.com>
13927 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13928 declared name, the weak reference name, and the typeof name.
13929 (__gthrw): Avoid expanding the declared name suffix.
13930 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13932 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13934 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13936 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13937 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13938 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13939 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13940 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13941 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13942 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13943 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13944 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13945 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13946 (DW_END_default, DW_END_big, DW_END_little): New.
13947 (DW_END_lo_user, DW_END_hi_user): Define.
13948 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13949 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13950 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13953 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13955 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13957 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13959 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13961 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13963 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13964 to 'symbol_mem_tag'.
13966 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13969 2006-03-01 Roger Sayle <roger@eyesopen.com>
13971 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13973 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13976 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13977 MACHO_DYNAMIC_NO_PIC_P.
13978 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13980 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13983 * config/darwin-protos.h (darwin_asm_output_anchor):
13985 * config/darwin-sections.def (cstring_section):
13986 Add SECTION_MERGE to the flags.
13987 (literal4_section): Likewise.
13988 (literal8_section): Likewise.
13989 (objc_selector_refs_section): Likewise.
13990 (objc_cls_refs_section): Likewise.
13991 * config/darwin.c (darwin_asm_output_anchor): New
13993 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
13995 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
13997 Fix PR tree-optimization/26443
13998 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
13999 to todo and PROP_tmt_usage to properties_destroyed.
14000 * tree-ssa-ccp.c (pass_ccp): Ditto.
14001 (pass_store_ccp): Ditto.
14002 * tree-ssa-dom.c (pass_dominator): Ditto.
14004 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14006 * tree-ssa-operands.c: Cleanup whitespace.
14007 (get_asm_expr_operands): Move before first invocation.
14008 (get_indirect_ref_operands): Likewise.
14009 (get_tmr_operands): Likewise.
14010 (get_call_expr_operands): Likewise.
14011 (append_def): Likewise.
14012 (append_use): Likewise.
14013 (append_v_may_def): Likewise.
14014 (append_v_must_def): Likewise.
14015 (add_call_clobber_ops): Likewise.
14016 (add_call_read_ops): Likewise.
14017 (add_stmt_operand): Likewise.
14018 (add_virtual_operand): Likewise.
14019 (build_ssa_operands): Likewise.
14021 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14023 PR middle-end/26022
14025 PR middle-end/24437
14026 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14027 with a call expr to ...
14028 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14030 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14032 * tree-vrp.c (extract_range_from_assert): Remove special
14033 handling for types with super-types.
14035 2006-03-01 Ben Elliston <bje@au.ibm.com>
14037 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14038 and powerpc64-*-linux* configurations.
14039 * config/t-dfprules: New file.
14041 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14042 Compile dfp-bit.c from the source directory using -DWIDTH and
14043 $DFP_CFLAGS to control the compilation of that file, rather than
14044 generating width-specific versions in the build directory.
14045 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14046 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14048 2006-02-28 Zack Weinberg <zackw@panix.com>
14050 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14053 2006-02-28 Eric Christopher <echristo@apple.com>
14055 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14056 Set up IN_LIBGCC definition of TARGET_64BIT.
14057 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14059 2006-02-28 Roger Sayle <roger@eyesopen.com>
14061 PR middle-end/14752
14062 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14063 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14064 cases via the construction of "expr != 0".
14066 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14068 * alias.c (alias_invariant, alias_invariant_size): Remove.
14069 (record_base_value): Remove.
14070 (memrefs_conflict_p): Don't look at alias_invariant.
14071 (end_alias_analysis): Don't free it.
14072 * alias.h (record_base_value): Remove prototype.
14074 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14075 Adam Nemet <anemet@caviumnetworks.com>
14077 * rtl.h (truncated_to_mode): Declare it.
14078 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14079 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14080 (RTL_HOOKS_INITIALIZER): Include it.
14081 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14082 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14083 reg_truncated_to_mode.
14084 * rtlanal.c (truncated_to_mode): Define it.
14085 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14087 2006-02-28 Jeff Law <law@redhat.com>
14089 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14090 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14091 the range allowed by TYPE_PRECISION.
14093 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14095 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14097 PR tree-optimization/26419
14098 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14101 2006-02-27 Zack Weinberg <zackw@panix.com>
14103 * doc/md.texi: Fix typo in previous change.
14105 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14109 2006-02-27 Zack Weinberg <zackw@panix.com>
14111 * rtl.def (define_constraint, define_register_constraint)
14112 (define_memory_constraint, define_address_constraint): New MD forms.
14113 * gensupport.c (process_rtx): Put define_constraint etc on the
14115 * genpreds.c (process_define_predicate): Adjust comment. Validate
14116 the name, and call validate_exp to validate the expression.
14117 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14118 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14119 all callers changed.
14120 (validate_exp, needs_variable, struct constraint_data)
14121 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14122 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14123 (const_dbl_constraints, constraint_max_namelen)
14124 (have_register_constraints, have_memory_constraints)
14125 (have_address_constraints, have_address_constraints)
14126 (have_extra_constraints, have_const_int_constraints)
14127 (have_const_dbl_constraints, mangle, add_constraint)
14128 (process_define_constraint, process_define_register_constraint)
14129 (write_enum_constraint_num, write_lookup_constraint)
14130 (write_insn_constraint_len, write_regclass_for_constraint)
14131 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14132 (write_insn_extra_memory_constraint)
14133 (write_insn_extra_address_constraint)
14134 (write_satisfies_constraint_fns): New.
14135 (write_tm_preds_h): If we have new-style constraint definitions,
14136 prototype the functions generated from them, and define the
14137 old constraint interface (still used by generic code) in terms of
14139 (write_insn_preds_c): If we have new-style constraint definitions,
14140 generate all relevant functions from those definitions.
14141 (main): Handle define_constraint etc.
14142 * genoutput.c (struct constraint_data, indep_constraints)
14143 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14144 (mdep_constraint_len): New data structures and functions, defined
14145 #ifdef USE_MD_CONSTRAINTS.
14146 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14147 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14148 use new logic to validate operand constraints against constraint
14150 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14152 * defaults.h: If none of the old-style constraint macros are
14153 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14154 old-style macros; and poison REG_CLASS_FROM_LETTER,
14155 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14157 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14158 * doc/md.texi: Document new constraint-definition mechanism and the
14159 C interface it provides. Remove references to old mechanism
14160 elsewhere in the document.
14161 (Machine Constraints): Use pathnames relative to gcc directory,
14162 i.e. config/ARCH/FILE. Change i386 section to refer to
14163 config/i386/predicates.md; update that section to match docstrings.
14164 * doc/tm.texi: Move all documentation of the old constraint-
14165 definition macros to their own section, clearly mark as obsolete.
14167 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14168 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14170 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14171 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14172 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14173 constraint strings.
14174 (splits and peepholes): Use satisfies_constraint_*.
14175 * config/i386/i386.c (memory_address_length)
14176 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14178 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14180 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14181 scalar operation to be put back into the loop.
14183 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14186 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14187 (extract_cie_info): Handle S flag in augmentation string.
14188 (execute_cfa_program): If context->signal_frame, execute also
14189 fs->pc == context->ra instructions.
14190 (uw_frame_state_for): If context->signal_frame, don't subtract one
14191 from context->ra to find FDE.
14192 (uw_update_context_1): Set context->signal_frame to
14194 (_Unwind_GetIPInfo): New function.
14195 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14196 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14198 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14199 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14200 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14201 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14202 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14203 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14204 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14205 x86_64_fallback_frame_state): Set fs->signal_frame.
14206 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14207 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14208 (frob_update_context): Likewise. Workaround missing S flag in
14209 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14210 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14211 Remove the psw_addr + 1 hack.
14213 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14215 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14216 with aggregates here.
14217 (find_func_aliases): Remove code for &<aggregate> from here.
14219 2006-02-26 Roger Sayle <roger@eyesopen.com>
14221 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14222 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14223 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14224 as (X & C) ne/eq 0.
14226 2006-02-26 Roger Sayle <roger@eyesopen.com>
14228 PR middle-end/19983
14229 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14231 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14233 * opts.c (decode_options): Do not handle flag_strength_reduce.
14234 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14235 and OPT_fstrength_reduce.
14236 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14237 flag_prefetch_loop_arrays for being nonzero.
14238 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14240 (fprefetch-loop-arrays-rtl): Removed.
14241 (flag_prefetch_loop_arrays): Do not specify the value.
14243 * doc/passes.texi: Update documentation of loop optimizer
14245 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14246 -frerun-loop-opt): Remove.
14248 2006-02-26 Richard Guenther <rguenther@suse.de>
14250 PR tree-optimization/26421
14251 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14252 in function calls that are ADDR_EXPRs as using the whole structure.
14254 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14256 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14257 * tree-pass.h (pass_loop_optimize): Remove.
14258 * passes.c (pass_loop_optimize): Never run it.
14259 * toplev.c (backend_init): Don't call init_loop.
14260 * opts.c (flag_loop_optimize_set): Remove.
14261 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14262 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14263 the old RTL loop optimizer when profiling enabled.
14264 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14265 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14266 pre-headers for the sake of the old RTL loop optimizer.
14267 * Makefile.in: Remove all references to loop.o.
14269 * doc/invoke.texi: Remove all references to -floop-optimize
14270 and -frerun-loop-opt.
14272 2006-02-26 Zack Weinberg <zackw@panix.com>
14274 * doc/md.texi (Machine Constraints): Refer to all files with paths
14275 relative to gcc directory (i.e. config/CPU/file). Add missing
14276 @table @code ... @end table to M32C subsection.
14278 2006-02-26 Roger Sayle <roger@eyesopen.com>
14280 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14282 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14284 2006-02-26 Roger Sayle <roger@eyesopen.com>
14285 James A. Morrison <phython@gcc.gnu.org>
14287 PR middle-end/21137
14288 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14289 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14290 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14291 signedness of the shift operation.
14293 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14295 PR tree-optimization/26359
14296 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14298 2006-02-25 Roger Sayle <roger@eyesopen.com>
14300 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14301 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14302 as X == 0, and some symmetry related transformations.
14303 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14305 2006-02-25 Roger Sayle <roger@eyesopen.com>
14307 PR middle-end/23673
14308 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14309 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14310 symmetry related transformations. Fold (X^C1) == C2 as
14313 2006-02-25 Juergen Weigert <jw@suse.de>
14314 Richard Guenther <rguenther@suse.de>
14316 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14318 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14320 * combine.c (gen_lowpart_or_truncate): Call
14321 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14323 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14325 * doc/invoke.texi: Move -fopenmp description to "Options for
14327 Remove reference to -lgomp.
14329 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14331 * doc/install.texi: Require GNU tar version 1.14.
14333 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14335 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14336 * doc/invoke.texi (C++ Dialect Options): Document
14337 -fno-use-cxa-get-exception-ptr.
14338 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14339 * configure: Regenerate.
14340 * c.opt (fuse-cxa-get-exception-ptr): New.
14341 * c-opts.c (c_common_handle_option): Handle
14342 OPT_fuse_cxa_get_exception_ptr.
14343 * c-common.c (flag_use_cxa_atexit): Update documentation.
14344 (flag_use_cxa_get_exception_ptr): New.
14345 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14346 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14348 (C_COMMON_OVERRIDE_OPTIONS): New.
14350 2006-02-24 Roger Sayle <roger@eyesopen.com>
14352 PR middle-end/24952
14353 * combine.c (try_combine): Explicitly check whether GET_CODE is
14354 a SET or a CLOBBER, instead on checking that it isn't a USE.
14356 2006-02-24 Roger Sayle <roger@eyesopen.com>
14358 * fold-const.c (fold_comparison): New subroutine of fold_binary
14359 containing transformations common to both the equality and
14360 ordering relational operators, factored out of fold_binary.
14361 (fold_binary): Separate out the equality operators (EQ_EXPR
14362 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14363 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14364 transformations common to both.
14365 (fold_div_compare): Fix latent bugs in the previously unreachable
14366 LT_EXPR and GE_EXPR cases.
14368 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14370 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14371 decl libname for clog to __clog on AIX.
14373 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14375 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14378 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14379 output traceback table for thunks. Localise rs6000_stack_info call.
14381 2006-02-23 Roger Sayle <roger@eyesopen.com>
14382 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14384 * gthr-posix.h (__gthrw): Fix typo in comment.
14386 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14388 * doc/cpp.texi (Character sets): Document that we do support
14389 input files to be in any character set.
14391 2006-02-23 Jeff Law <law@redhat.com>
14393 * tree.h (PHI_ARG_NONZERO): Remove.
14394 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14395 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14396 node to the new node.
14398 PR tree-optimization/26425
14399 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14400 min/max, then assume its varying.
14402 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14404 PR rtl-optimization/26316
14405 * rtlanal.c (enum may_trap_p_flags): New.
14406 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14407 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14408 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14409 (may_trap_after_code_motion_p): New function.
14410 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14411 (find_invariant_insn): Use may_trap_after_code_motion_p.
14412 * rtl.h (may_trap_after_code_motion_p): Declare.
14414 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14416 * emit-rtl.c (immed_double_const): Cleanup.
14418 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14420 Fix PR tree-optimization/26376
14421 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14424 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14426 PR middle-end/26412
14427 * gimplify.c (omp_add_variable): Guard variable size decl test with
14428 DECL_SIZE (decl) check.
14430 2006-02-23 Richard Guenther <rguenther@suse.de>
14432 PR middle-end/26439
14433 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14434 like aggregate types.
14436 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14438 * configure.ac: Add --with{,out}-long-double-128 configure option.
14439 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14440 * configure: Rebuilt.
14441 * config.in: Rebuilt.
14442 * doc/install.texi (Options specification): Document
14443 --with-long-double-128.
14445 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14446 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14447 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14448 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14450 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14452 * config/s390/s390.c (override_options): Handle
14453 TARGET_DEFAULT_LONG_DOUBLE_128.
14455 * config/alpha/alpha.c (override_options): Handle
14456 TARGET_DEFAULT_LONG_DOUBLE_128.
14458 * config/sparc/sparc.c (sparc_override_options): Handle
14459 TARGET_DEFAULT_LONG_DOUBLE_128.
14461 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14463 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14464 (real-install-headers-tar, real-install-headers-cpio)
14465 (real-install-headers-cp): New targets.
14467 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14469 * tree.h (variable_section): Delete.
14470 * varasm.c (variable_section): Delete.
14472 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14474 * install.texi: Add notes on install.texi2html.
14475 (Building in parallel): Do not use footnotes.
14477 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14480 * doc/install.texi (Configuration): Document --disable-libgomp.
14482 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14484 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14486 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14488 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14489 (vec_extractv2df_0_sse): New.
14491 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14493 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14494 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14495 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14496 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14497 to the result of the expression.
14498 (def_cfa_1): Adjust.
14499 (frame_pointer_cfa_offset): Rename to...
14500 (frame_pointer_fb_offset): ... this. Adjust all uses.
14501 (convert_cfa_to_loc_list): Rename to...
14502 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14503 Pass it on to build_cfa_loc.
14504 (compute_frame_pointer_to_cfa_displacement): Rename to...
14505 (compute_frame_pointer_to_fb_displacement): ... this. New
14506 offset parameter. Use it in computation.
14507 (gen_subprogram_die): Compute cfa_fb_offset with the new
14508 macro, and use it to compute the fb loc list and the
14511 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14513 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14514 replaced with register_operand.
14515 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14516 non-DREG is expensive.
14517 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14518 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14521 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14523 * doc/install.texi2html: Use set -e.
14525 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14527 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14528 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14529 * doc/invoke.texi (-fshared-data): Delete.
14530 * common.opt (fshared-data): Delete.
14531 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14532 (assemble_static_space): Remove #if 0 code.
14533 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14534 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14535 * config/cris/cris.h: Remove FIXME.
14537 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14539 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14542 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14544 PR middle-end/26379
14545 * combine.c (simplify_shift_const_1): Disable nested shifts
14546 optimization for vector shifts.
14548 2006-02-20 Roger Sayle <roger@eyesopen.com>
14550 PR tree-optimization/26361
14551 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14552 of unsigned integer types.
14554 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14556 * tree-chrec.c (eq_evolutions_p): New.
14557 * tree-chrec.h (eq_evolutions_p): Declared.
14558 * tree-data-ref.c: Fix formatting.
14559 (datadep_stats, dependence_stats): New.
14561 (print_direction_vector): New.
14562 (dump_data_dependence_relation): Use print_direction_vector.
14563 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14564 (compute_subscript_distance): Static.
14565 (initialize_data_dependence_relation): Static. Get the number
14566 of loops surrounding the references from the callers, and initialize
14567 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14568 base_object_differ_p analyzers.
14569 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14570 compute_overlap_steps_for_affine_1_2,
14571 analyze_subscript_affine_affine): Count the classified dependences.
14572 Print a message when a test failed.
14573 (can_use_analyze_subscript_affine_affine): New.
14574 (analyze_siv_subscript): Compute the data dependences on symbolic
14575 scevs that verify can_use_analyze_subscript_affine_affine.
14576 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14577 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14578 Handle symbolic scevs.
14579 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14581 (subscript_dependence_tester): Moved...
14582 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14583 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14584 DDR_SIZE_VECT instead of getting it in parameter.
14585 (subscript_dependence_tester): ... here. Take as a parameter
14586 loop_nest_depth. Call build_classic_dist_vector and
14587 build_classic_dir_vector.
14588 (compute_affine_dependence): Update subscript_dependence_tester
14589 parameters. Update datadep_stats counters. Call
14590 compute_subscript_distance.
14591 (compute_self_dependence): Save the dist and dir vectors. Call
14592 compute_subscript_distance.
14593 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14594 (compute_all_dependences): Reorder parameters as they were before
14595 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14596 compute_subscript_distance. Update the use of
14597 compute_affine_dependence and initialize_data_dependence_relation.
14598 (find_data_references_in_loop): Handle COMPONENT_REF.
14599 (compute_data_dependences_for_loop): Initialize dependence_stats.
14600 Don't call build_classic_dist_vector and build_classic_dir_vector.
14601 Update the parameters of initialize_data_dependence_relation and
14602 compute_all_dependences. Print the statistics from datadep_stats.
14603 (analyze_all_data_dependences): Static. Not used until the pass for
14604 checking the data dependences is contributed.
14605 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14606 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14607 (initialize_data_dependence_relation, compute_affine_dependence,
14608 analyze_all_data_dependences, compute_subscript_distance): Removed.
14609 (print_direction_vector): New.
14610 * lambda.h (gcd): ... here.
14611 (lambda_vector_gcd): Moved here from gcd_vector.
14612 * lambda-code.c (gcd, gcd_vector): Removed.
14613 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14614 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14616 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14618 * ipa-type-escape.c: Tidy some comments and white space.
14619 * tree-ssa-operands.c: Likewise.
14621 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14624 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14625 (dump_decl_name): Do not walk the decl tree chains.
14626 * tree-pass.h (TDF_CHAIN): Remove.
14628 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14630 * Makefile.in (C): Remove
14632 (.PHONY): Remove C and PROTO
14634 2006-02-20 Roger Sayle <roger@eyesopen.com>
14636 PR middle-end/26236
14637 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14638 deprecated CHAR_TYPE tree code.
14640 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14642 * configure.ac (target_list): Add install-info, dvi, html.
14643 * configure: Regenerate.
14645 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14646 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14647 treelang/Make-lang.in: Do not use double-colon rules.
14649 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14651 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14652 (TMT_USED_ALONE): New macro.
14653 * tree-pass.h (PROP_tmt_usage): New property.
14654 (TODO_update_tmt_usage): New todo.
14655 * tree-ssa-alias.c (updating_used_alone): New variable.
14656 (recalculate_used_alone): New function.
14657 (compute_may_aliases): Set updating_used_alone, call
14658 recalculate_used_alone.
14659 * tree-sra.c (pass_sra): Note that this pass destroys
14660 PROP_tmt_usage, and add TODO_update_tmt_usage.
14661 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14662 * tree-flow.h (updating_used_alone): Prototype.
14663 (recalculate_used_alone): Ditto.
14664 * passes.c (execute_todo): Add code to set updating_used_alone,
14665 and call recalculate.
14666 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14667 for clobber if used alone, and add assert to verify used_alone
14670 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14672 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14673 for non tls symbols added.
14674 (legitimize_address): Do nothing for PLUS expressions if one of the
14675 addends is a tls symbol reference.
14677 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14681 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14683 * Makefile.in (BOOTSTRAPPING): New.
14684 (quickstrap): New definition if BOOTSTRAPPING=yes.
14686 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14687 * configure.ac: Substitute all_selected_languages with the languages
14688 that were configured. For all the other variables except
14689 lang_specs_files, include all the languages in the tree.
14690 * configure: Regenerate.
14692 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14693 if there is one. Run the commands to run fixincludes in the same
14696 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14697 * doc/install.texi: Document exact conventions for searching target tools.
14698 Document --with-build-time-tools. Document toplevel bootstrap. Document
14699 something more about building an Ada cross-compiler. Don't list GNU Make
14700 requirements which affect all platforms.
14702 2006-02-19 Roger Sayle <roger@eyesopen.com>
14704 PR middle-end/19543
14705 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14706 only equivalent if the have both the same mode and precision.
14708 2006-02-20 Ben Elliston <bje@au.ibm.com>
14710 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14712 2006-02-19 Roger Sayle <roger@eyesopen.com>
14713 Steven Bosscher <stevenb.gcc@gmail.com>
14715 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14716 constant pool references to identify stack mode constants.
14717 * rtlanal.c (constant_pool_constant_p): New predicate to check
14718 whether operand is a floating point constant in the pool.
14719 * rtl.h (constant_pool_constant_p): Prototype here.
14720 * loop.c (scan_loop): Avoid hoisting constants from the constant
14721 pool on STACK_REGS targets.
14722 (load_mems): Likewise.
14723 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14724 loads into x87 registers expensive in terms of register pressure.
14726 2006-02-19 Roger Sayle <roger@eyesopen.com>
14728 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14729 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14731 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14733 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14734 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14736 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14738 * doc/invoke.texi: Document -fipa-pta.
14739 * common.opt: Add ipa-pta option.
14740 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14741 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14742 (do_ds_constraint): Ditto.
14743 (get_constraint_for): Only add to referenced_vars if
14744 referenced_vars exists.
14745 (insert_into_field_list): Rewrite to do this unsorted.
14746 (insert_into_field_list_sorted): Rename old insert_into_field_list
14748 (create_function_info_for): Use insert_into_field_list_sorted.
14749 (create_variable_info_for): Rewrite so it uses unsorted version,
14750 since the field list is sorted.
14751 (intra_create_variable_infos): Only add to referenced_vars if
14752 referenced_vars exists.
14753 (ipa_pta_execute): Init heapvars, and delete when done.
14754 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14756 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14758 * doc/install.texi: Add missing `@samp'.
14760 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14762 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14765 2006-02-18 Mark Wielaard <mark@klomp.org>
14767 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14768 who added new 4.1 features, bug fixes and integration support.
14770 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14773 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14774 MEM for ABI_V4 pic.
14776 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14778 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14779 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14780 (copy_insn_1): Likewise. Don't copy each field individually.
14782 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14784 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14785 * rtl.c (rtx_size): Rename variable to...
14786 (rtx_code_size): ...this.
14787 (rtx_size): New function.
14788 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14789 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14791 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14792 * rtl.h (rtx_code_size): New variable.
14793 (rtx_size): Change from a variable to a function.
14794 (RTX_SIZE): Rename to...
14795 (RTX_CODE_SIZE): ...this.
14798 PR tree-optimization/17106
14799 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14800 (Anchored Addresses): New section.
14801 * doc/invoke.texi (-fsection-anchors): Document.
14802 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14803 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14804 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14805 * hooks.c (hook_bool_mode_rtx_false): New function.
14806 * hooks.h (hook_bool_mode_rtx_false): Declare.
14807 * gengtype.c (create_optional_field): New function.
14808 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14809 SYMBOL_REF_IN_BLOCK_P is true.
14810 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14811 (min_anchor_offset, max_anchor_offset): Likewise.
14812 (use_anchors_for_symbol_p): New hook.
14813 * toplev.c (compile_file): Call output_object_blocks.
14814 (target_supports_section_anchors_p): New function.
14815 (process_options): Check that -fsection-anchors is only used on
14816 targets that support it and when -funit-at-a-time is in effect.
14817 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14818 if the decl doesn't have one.
14819 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14820 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14821 of force_const_mem through use_anchored_address.
14822 (expand_expr_constant): New function.
14823 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14824 calling expand_expr for INDIRECT_REF.
14825 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14826 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14827 * expr.h (use_anchored_address): Declare.
14828 * loop-unroll.c: Don't declare rtx vectors here.
14829 * explow.c: Include output.h.
14830 (validize_mem): Call use_anchored_address.
14831 (use_anchored_address): New function.
14832 * common.opt (-fsection-anchors): New switch.
14833 * varasm.c (object_block_htab, anchor_labelno): New variables.
14834 (hash_section, object_block_entry_eq, object_block_entry_hash)
14835 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14836 (use_blocks_for_decl_p, change_symbol_section): New functions.
14837 (get_variable_section): New function, split out from assemble_variable.
14838 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14839 use_blocks_for_decl_p say so. Use change_symbol_section if the
14840 symbol has already been created.
14841 (assemble_variable_contents): New function, split out from...
14842 (assemble_variable): ...here. Don't output any code for
14843 block symbols; just pass them to place_block_symbol.
14844 Use get_variable_section and assemble_variable_contents.
14845 (get_constant_alignment, get_constant_section, get_constant_size): New
14846 functions, split from output_constant_def_contents.
14847 (build_constant_desc): Create a block symbol if use_object_blocks_p
14848 says so. Or into SYMBOL_REF_FLAGS.
14849 (assemble_constant_contents): New function, split from...
14850 (output_constant_def_contents): ...here. Don't output any code
14851 for block symbols; just pass them to place_section_symbol.
14852 Use get_constant_section and get_constant_alignment.
14853 (force_const_mem): Create a block symbol if use_object_blocks_p and
14854 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14855 (output_constant_pool_1): Add an explicit alignment argument.
14856 Don't switch sections here.
14857 (output_constant_pool): Adjust call to output_constant_pool_1.
14858 Switch sections here instead. Don't output anything for block symbols;
14859 just pass them to place_block_symbol.
14860 (init_varasm_once): Initialize object_block_htab.
14861 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14862 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14863 (place_block_symbol, get_section_anchor, output_object_block)
14864 (output_object_block_htab, output_object_blocks): New functions.
14865 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14866 (TARGET_ASM_OUT): Include it.
14867 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14868 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14869 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14870 (TARGET_INITIALIZER): Include them.
14871 * rtl.c (rtl_check_failed_block_symbol): New function.
14872 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14873 (block_symbol, object_block): New structures.
14874 (rtx_def): Add a block_symbol field to the union.
14875 (BLOCK_SYMBOL_CHECK): New macro.
14876 (rtl_check_failed_block_symbol): Declare.
14877 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14878 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14879 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14880 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14881 * output.h (output_section_symbols): Declare.
14882 (object_block): Name structure.
14883 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14884 (default_use_anchors_for_symbol_p): Declare.
14885 * Makefile.in (RTL_BASE_H): Add vec.h.
14886 (explow.o): Depend on output.h.
14887 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14888 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14889 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14890 (rs6000_use_blocks_for_constant_p): New function.
14892 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14894 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14896 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14899 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14902 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14904 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14908 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14910 PR middle-end/26334
14911 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14912 instead of DECL_REGISTER.
14914 2006-02-18 Olivier Hainque <hainque@adacore.com>
14917 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14919 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14922 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14923 * opth-gen.awk: Handle Var and InverseMask together.
14924 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14925 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14926 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14927 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14929 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14930 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14931 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14932 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14933 LINUX_DYNAMIC_LINKER): Define.
14934 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14935 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14937 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14938 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14939 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14940 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14941 (TARGET_C99_FUNCTIONS): Don't define.
14942 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14943 GLIBC_DYNAMIC_LINKER.
14944 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14945 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14946 GLIBC_DYNAMIC_LINKER64): Define.
14947 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14948 LINUX_DYNAMIC_LINKER64.
14949 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14950 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14951 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14952 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14953 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14955 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14956 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14957 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14958 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14959 and LINUX_DYNAMIC_LINKER32.
14960 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14962 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14963 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14964 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14966 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14967 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14968 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14969 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14970 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14971 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14972 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14973 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14974 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14975 LINUX_DYNAMIC_LINKER): Define.
14976 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14977 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14978 GLIBC_DYNAMIC_LINKER64): Define.
14979 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14980 LINUX_DYNAMIC_LINKER64.
14981 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14982 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14983 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
14984 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14985 LINUX_DYNAMIC_LINKER): Define.
14986 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14987 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14988 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
14989 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
14990 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
14991 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14992 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
14993 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
14994 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
14995 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14996 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14997 * doc/invoke.texi (-muclibc): Remove caveat about supported
15000 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15002 * doc/cpp.texi (__TIMESTAMP__): Document.
15004 2006-02-17 Roger Sayle <roger@eyesopen.com>
15006 PR middle-end/25600
15007 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15008 C is one less than the width of X (and related transformations).
15009 * simplify-rtx.c (simplify_unary_operation_1): Transform
15010 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15011 depending on STORE_FLAG_VALUE, were C is one less then the
15014 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15016 Fix PR tree-optimization/26341
15017 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15018 about NAME_MEMORY_TAG's.
15020 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15023 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15024 with hardware float support, and software float support. Add fcpy
15025 alternative to hardware patterns. Add alternatives to copy between
15026 general and floating-point registers to the 32-bit pattern.
15027 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15028 secondary reload to load a QI or HI mode constant into a floating
15030 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15031 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15033 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15036 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15038 (load_macho_picbase_di): Likewise.
15040 2006-02-16 Jeff Law <law@redhat.com>
15042 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15043 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15044 (ssa_name_nonzero_p): Likewise.
15045 (get_value_range): Return NULL if VRP is not running.
15046 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15047 VRP routines do not discover a range.
15048 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15049 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15050 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15051 (tree_expr_nonnegative_p): Similarly.
15052 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15053 (restore_nonzero_vars_to_original_value): Remove.
15054 (unsafe_associative_fp_binop): Remove.
15055 (tree_ssa_dominator_optimize): Remove initialization and
15056 finalization of nonzero_vars and nonzero_vars_stack.
15057 (dom_opt_initialize_block): No longer push marker on
15058 nonzero_vars_stack.
15059 (dom_opt_finalize_block): No longer call
15060 restore_nonzero_vars_to_original_value.
15061 (record_equivalences_from_phis): No longer look for
15062 nonzero PHI arguments.
15063 (cprop_into_successor_phis): No longer propagate nonzero
15064 property into PHI arguments. Lose unused argument. Caller
15066 (record_equivalences_from_stmt): No longer record nonzero
15067 values for SSA_NAMEs.
15068 (lookup_avail_expr): No longer use nonzero_vars.
15070 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15071 for sizetype when sizetype is unsigned.
15073 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15075 PR rtl-optimization/25603
15076 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15077 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15078 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15079 with new meaning of SETS.
15081 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15086 * config/linux.opt: New file.
15087 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15088 LINUX_DYNAMIC_LINKER): Define.
15089 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15090 * config.gcc (*-*-linux*): Define extra_options.
15091 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15092 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15093 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15094 GLIBC_DYNAMIC_LINKER.
15095 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15096 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15097 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15098 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15099 * doc/invoke.texi (GNU/Linux Options): New section.
15101 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15103 * config/sparc/sparc.md (setjmp): Rewrite.
15104 (setjmp_32): Delete.
15105 (setjmp_64): Likewise.
15107 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15109 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15112 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15114 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15117 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15119 PR rtl-optimization/26296
15120 * Makefile.in (loop-invariant.c): Add except.h dependency.
15121 * loop-invariant.c: Include except.h.
15122 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15124 2005-02-16 Paul Brook <paul@codesourcery.com>
15126 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15129 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15131 PR rtl-optimization/25636
15132 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15133 when deciding whether an insn is an initializing insn.
15135 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15137 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15138 (tree_code_size): Ditto.
15139 * tree.h (struct tree_memory_tag): Remove parent_var.
15140 (struct tree_struct_field_tag): New.
15143 (union tree_node): Add sft member.
15144 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15146 (create_sft): Add size and offset argument, set SFT_OFFSET and
15148 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15149 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15150 * tree-flow-inline.h (get_subvar_at): Update for
15151 SFT_OFFSET/SFT_SIZE.
15152 (var_can_have_subvars): Ditto.
15153 (overlap_subvar): Ditto.
15154 * print-tree.c (print_node): Print out interesting things for
15156 * tree-flow.h (struct subvar): Remove offset and size members.
15157 * tree-ssa-operands.c (get_expr_operands): Update for
15158 get_indirect_ref_operands changes.
15159 (get_indirect_ref_operands): Call add_virtual_operand instead of
15160 add_stmt_operand. Only recurse on base var if requested.
15161 (access_can_touch_variable): New function.
15162 (add_stmt_operand): Split virtual operand handling into ...
15163 (add_virtual_operand): Here. Add offset, size, and for_clobber
15164 arguments. Prune alias sets.
15165 (add_call_clobber_ops): Call add_virtual_operand.
15167 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15169 PR middle-end/26300
15170 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15172 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15173 than TREE_CODE as index into omp_clause_num_ops array.
15175 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15177 PR rtl-optimization/26184
15178 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15180 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15181 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15182 must_precede, must_follow and tobe_scheduled.
15185 * opts.c (common_handle_option): Free new_option pointer.
15186 * df-core.c (df_analyze): Free postorder pointer.
15188 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15190 * Makefile.in: Fix the examples about the use of stamps
15192 2006-02-15 Michael Matz <matz@suse.de>
15194 PR middle-end/22275
15196 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15197 influenced by maximum_field_alignment or DECL_PACKED.
15198 (update_alignment_for_field): Ditto.
15199 (place_field): Ditto.
15200 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15203 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15205 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15206 (debug_flow_info): Pass it.
15207 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15208 * bb-reorder.c (reorder_basic_blocks): Likewise.
15209 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15210 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15211 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15212 * gcse.c (gcse_main, bypass_jumps): Likewise.
15213 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15214 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15215 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15216 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15217 * rtl.h (dump_flow_info): Adjust prototype.
15218 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15219 * var-tracking.c (variable_tracking_main): Likewise.
15220 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15221 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15224 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15226 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15229 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15231 PR tree-optimization/26209
15232 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15233 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15235 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15237 2006-02-14 Roger Sayle <roger@eyesopen.com>
15239 PR middle-end/23670
15240 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15241 (X,Y) and the corresponding symmetry related transformations.
15242 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15243 (X,Y) and its symmetry related transformations.
15245 2006-02-14 Roger Sayle <roger@eyesopen.com>
15247 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15250 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15252 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15254 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15257 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15258 support COMDAT group.
15259 * configure: Regenerate.
15261 2006-02-14 Roger Sayle <roger@eyesopen.com>
15263 PR middle-end/26279
15264 PR middle-end/26280
15265 PR middle-end/26283
15266 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15268 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15270 Fix PR tree-optimization/26260
15272 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15274 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15275 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15276 * tree-ssa-structalias.c (create_variable_info_for): Use
15277 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15279 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15281 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15283 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15284 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15285 of the ending condition.
15286 * tree-ssa-loop-manip.c: Include params.h.
15287 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15288 tree_unroll_loop): New functions.
15289 * tree-pass.h (pass_loop_prefetch): Declare.
15290 * loop.c (rest_of_handle_loop_optimize): Test for
15291 -fprefetch-loop-arrays-rtl.
15292 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15293 * timevar.def (TV_TREE_PREFETCH): New timevar.
15294 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15295 pass_loop_prefetch): New.
15296 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15297 (cleanup_tree_cfg_loop): Call scev_reset.
15298 * common.opt (fprefetch-loop-arrays-rtl): Add.
15299 * tree-ssa-loop-prefetch.c: New file.
15300 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15301 (new_temp_expr_table): Initialize expr_vars.
15302 (free_temp_expr_table): Cleanup expr_vars.
15303 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15304 expressions from being merged into one.
15305 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15306 (struct tree_niter_desc): Add control, bound and cmp fields.
15307 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15309 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15310 (tree-cfgcleanup.o): Add SCEV_H dependency.
15311 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15312 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15314 2006-02-14 Richard Guenther <rguenther@suse.de>
15316 PR tree-optimization/26258
15317 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15318 in PHI argument processing.
15320 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15322 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15323 new expression in the requested machine mode.
15325 2006-02-13 Roger Sayle <roger@eyesopen.com>
15327 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15328 directly, instead let do_compare_rtx_and_jump handle this for us.
15329 * expr.c (expand_expr_real_1): Likewise.
15330 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15331 before do_jump_by_parts_greater.
15332 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15333 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15335 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15337 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15339 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15341 PR rtl-optimization/26235
15342 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15343 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15346 2006-02-13 Jeff Law <law@redhat.com>
15348 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15351 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15353 PR middle-end/26092
15354 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15355 twice if decl is a builtin. When trying again, call get_callee_fndecl
15356 first to verify it is still a builtin.
15358 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15360 * dwarf2out.c (base_type_die): Don't add AT_name here.
15361 (subrange_type_die): Don't add AT_name here.
15362 (modified_type_die): Rearrange code flow. Do add AT_name here.
15364 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15366 PR rtl-optimization/26247
15367 PR rtl-optimization/26248
15368 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15370 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15372 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15373 * config/fixtfdi.c: Likewise.
15374 * config/fixunstfdi.c: Likewise.
15375 * config/floatditf.c: Likewise.
15377 2006-02-13 Roger Sayle <roger@eyesopen.com>
15379 PR middle-end/24427
15380 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15381 into (X,C2) if C1 is a subset of the bits of C2. Transform
15382 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15384 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15386 2006-02-13 Josh Conner <jconner@apple.com>
15389 * varasm.c (function_section): Check for section name before
15390 calling select_section on targets that define
15391 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15392 unlikely_text_section instead of hot_function_section if
15393 first_function_block_is_cold.
15395 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15397 PR middle-end/25335
15398 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15400 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15402 PR rtl-optimization/26222
15403 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15404 after tree->rtl expansion.
15405 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15406 before passing it to emit_move_insn.
15408 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15410 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15412 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15413 Clarify documentation.
15414 * c-common.h (warn_write_strings): Remove.
15415 * c-common.c (warn_write_strings): Likewise.
15416 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15419 2006-02-12 Roger Sayle <roger@eyesopen.com>
15421 PR middle-end/25724
15422 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15423 (do_jump_parts_zero_rtx): New function renamed from
15424 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15425 (do_jump_parts_equality_rtx): New function split out from
15426 do_jump_parts_equality. Old implementation renamed as above.
15427 Call do_jump_parts_zero_rtx if either operand is zero.
15428 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15429 do all of the heavy lifting.
15430 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15431 calling either do_jump_by_parts_greater_rtx or
15432 do_jump_by_parts_equality_rtx.
15433 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15434 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15435 moved to do_compare_rtx_and_jump, call it directly.
15436 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15437 mode argument. Call do_compare_rtx_and_jump.
15438 (emit_case_nodes): Update calls to do_jump_if_equal.
15440 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15442 PR rtl-optimization/26225
15443 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15445 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15447 PR rtl-optimization/26232
15448 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15450 2006-02-11 Jason Merrill <jason@redhat.com>
15453 * tree-inline.c (declare_return_variable): Just don't use the
15454 modify target if it's a gimple complex reg and the return slot
15457 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15459 * doc/contrib.texi: Update my entry.
15461 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15463 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15465 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15467 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15470 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15472 * doc/invoke.texi (-floop-optimize2): Removed.
15473 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15474 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15475 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15476 * common.opt (floop-optimize2): Removed.
15477 (fmove-loop-invariants): Enabled by default.
15479 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15481 * tree-if-conv.c (combine_blocks): Free the result of
15482 get_loop_exit_edges.
15484 2006-02-10 Jeff Law <law@redhat.com>
15486 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15488 PR tree-optimization/26213
15489 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15490 loop trying to follow SSA_NAME_VALUE chains.
15492 2006-02-10 Richard Guenther <rguenther@suse.de>
15494 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15495 deal with structures that end in implicitly variable sized arrays.
15497 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15499 PR rtl-optimization/24762
15500 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15503 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15505 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15506 (struct ivopts_data): Add regs_used field.
15507 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15508 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15509 instead of loop_data->regs_used;
15510 (free_loop_data): Do not free aux fields for loops.
15511 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15512 and tree_ssa_iv_optimize_finalize.
15514 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15516 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15518 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15521 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15522 computing the effective result type.
15524 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15526 PR inline-asm/16194
15527 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15528 (tree_overlaps_hard_reg_set): Declare.
15529 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15530 type and signature to match function type expected by walk_tree.
15531 (tree_overlaps_hard_reg_set): New function.
15532 (decl_conflicts_with_clobbers_p): Rename to:
15533 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15534 Use tree_overlaps_hard_reg_set. Changed caller.
15535 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15536 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15537 * cris.c (cris_md_asm_clobbers): Likewise.
15539 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15541 * reload1.c (emit_input_reload_insns): Delete code that tries to
15542 inherit using find_equiv_reg.
15544 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15546 * c-common.h (flag_const_strings): Don't declare.
15547 * c-common.c (flag_const_strings): Remove.
15548 * c.opt (fconst_strings): Remove.
15549 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15550 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15551 (c_common_init_options): Don't set flag_const_strings.
15552 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15554 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15556 * arm.md (tlobits_cbranch): New pattern.
15557 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15558 testing a single bit.
15560 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15563 * tree-ssa-pre.c (create_component_ref_by_pieces):
15564 Handle RETURN_DECL like VAR_DECL.
15566 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15568 PR middle-end/26134
15569 * fold-const.c (fold_indirect_ref_1): Fold
15570 "*(foo *)&complexfoo" to "__real__ complexfoo"
15571 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15573 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15575 * tree-flow-inline.h (var_can_have_subvars):
15576 Volatile variables should not have subvariables.
15578 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15581 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15582 multiplying unsigned values.
15585 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15587 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15589 2006-02-08 Jason Merrill <jason@redhat.com>
15592 * tree.def: Elaborate on difference from MODIFY_EXPR.
15593 * doc/c-tree.texi (INIT_EXPR): Likewise.
15594 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15595 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15596 (gimplify_target_expr): Likewise.
15597 (gimplify_cond_expr): Remove target handling.
15598 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15599 (gimplify_expr): Clobber it here.
15600 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15601 Do return slot optimization if we have an INIT_EXPR.
15604 * tree-inline.c (declare_return_variable): Also clear
15605 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15608 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15610 PR middle-end/22439
15611 * gimplify.c (gimplify_one_sizepos): Fix typo.
15613 2006-02-08 Jeff Law <law@redhat.com>
15615 PR tree-optimization/21417
15616 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15617 across a backedge if the control statement at the end of the
15618 block is data dependent on other statements in the same block.
15619 (record_temporary_equivalences_from_stmts): Remove over-conservative
15620 test for threading across backedges.
15622 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15623 control statement, handle all three special cases in the same
15624 manner as they all have the same desired solution. No longer
15625 special case edge flag updating when the post dominator is
15628 2006-02-08 Roger Sayle <roger@eyesopen.com>
15630 * tree.def (CHAR_TYPE): Remove.
15631 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15632 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15633 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15634 (gen_string_type_die): Delete unreachable function.
15636 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15637 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15638 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15639 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15640 * builtins.c (type_to_class): Likewise.
15641 * fold-const.c (fold_convert, build_range_check,
15642 merge_ranges): Likewise.
15643 * expr.c (count_type_elements): Likewise.
15644 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15645 * stor-layout.c (layout_type): Likewise.
15646 * ipa-type-escape.c (type_to_consider): Likewise.
15647 * gimplify.c (omp_firstprivatize_type_sizes,
15648 gimplify_type_sizes): Likewise.
15649 * explow.c (promote_mode): Likewise.
15650 * tree-sra.c (is_sra_scalar_type): Likewise.
15651 * varasm.c (output_constant): Likewise.
15652 * tree-inline.c (remap_type_1): Likewise.
15653 * convert.c (convert_to_pointer, convert_to_real,
15654 convert_to_integer, convert_to_complex): Likewise.
15656 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15658 * df-scan.c (df_def_record_1): A set destination may
15659 be a parallel regardless of mode.
15661 2006-02-08 Roger Sayle <roger@eyesopen.com>
15664 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15665 * config/mips/_tilib.c: Remove.
15666 * config/fixtfdi.c: New libgcc source file.
15667 * config/fixunstfdi.c: New source file.
15668 * config/floatditf.c: New source file.
15669 * config/floatunditf.c: New souce file.
15670 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15671 files above instead of config/mips/_tilib.c.
15672 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15674 2006-02-08 Jeff Law <law@redhat.com>
15676 PR tree-optimization/26169
15677 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15680 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15682 * df.h (DF_REG_SIZE): Return the length of the initialized
15685 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15687 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15688 __muldf3): Return a correctly signed zero.
15690 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15692 * passes.c (register_one_dump_file): Accept the current properties
15693 instead of pass number. Adjust call to dump_register. Remove
15695 (register_dump_files): Now a wrapper around...
15696 (register_dump_files_1): ... this one. Do not modify the pass
15698 (next_pass_1): Cosmetic fix.
15699 (execute_todo): Keep second parameter only. Use curr_properties
15700 instead of fetching it from the pass structure. Check and set
15702 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15703 instead of fetching it from the pass structure. Fix calls to
15704 execute_todo. Update curr_properties and initialize .vcg RTL dump
15705 after running the pass. Reset last_verified.
15706 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15708 (FIRST_AUTO_NUMBERED_DUMP): New.
15709 (dump_register): Remove "num" parameter, assign it within the
15711 (get_dump_file_name): Modify template for dumps.
15712 * tree-dump.h (dump_register): Adjust prototype.
15713 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15714 (PROP_trees): Add PROP_gimple_lomp.
15715 (TODO_set_props): New.
15716 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15717 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15718 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15720 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15722 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15723 (sparc64-*-linux*): Likewise.
15724 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15725 * config/sparc/t-linux: New file.
15726 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15727 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15728 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15729 -m32 -mlong-double-128.
15731 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15732 * config/alpha/t-linux: New file.
15733 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15735 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15736 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15737 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15738 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15739 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15740 (CPP_ARCH32_SPEC): Remove.
15742 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15744 PR tree-optimization/26145
15745 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15748 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15751 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15752 >= 240000 when generating code for SOM runtime.
15753 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15754 to $$dyncall when generating code for SOM runtime..
15756 2006-02-07 Dirk Mueller <dmueller@suse.com>
15759 * doc/invoke.texi (-Wsequence-point): Update documentation
15760 that -Wsequence-point is implemented for C++ as well.
15762 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15764 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15765 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15766 (LIB_SPEC): Likewise.
15767 * doc/invoke.texi (SPARC options): Document -pthread.
15769 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15771 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15774 2006-02-07 Roger Sayle <roger@eyesopen.com>
15776 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15777 Correct comment describing BOOLEAN_TYPE.
15779 2006-02-07 Dirk Mueller <dmueller@suse.com>
15781 * c.opt: C++ frontend supports -Wdiv-by-zero.
15782 * c-opts.c (c_common_handle_option): Remove dead case.
15784 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15786 * configure.ac (TLS assembler check): Do not enable TLS by
15787 default on SPARC/Solaris before version 10.
15788 * configure: Regenerate.
15790 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15792 * doc/invoke.texi (xl-compat): Document conversion and support
15795 2006-02-07 Jeff Law <law@redhat.com>
15797 * tree-vrp.c (find_conditional_asserts): Update comments.
15798 (simplify_stmt_for_jump_threading): New.
15799 (identify_jump_threads, finalize_jump_threads): New.
15800 (vrp_finalize): Call identify_jump_threads.
15801 (execute_vrp): Call finalize_jump_threads.
15802 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15803 (vrp_element, vrp_data, vrp_element_p): Remove.
15804 (vrp_hash_elt, vrp_variables_stack): Remove.
15805 (vrp_hash, vrp_eq, record_range): Remove.
15806 (simplify_cond_and_lookup_avail_expr): Remove.
15807 (extract_range_from_cond): Remove.
15808 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15809 (simplify_stmt_for_jump_threading): New.
15810 (dom_thread_across_edge): New wrapper.
15811 (tree_ssa_dominator_optimize): No longer initialize or
15812 finalize any of the VRP datastructures. Remove iteration
15813 step and simplify as a result of removal of iteration step.
15814 (pass_dominator): Perform a cfg cleanup after DOM.
15815 (dom_opt_finalize_block): Use the new common routines
15816 for threading jumps. Simplify stack management slightly.
15817 No longer need to unwind VRP state.
15818 (record_equivalences_from_incoming_edge): No longer record
15820 (eliminate_redundant_computations): No longer call
15821 simplify_cond_and_lookup_avail_expr.
15822 * tree-flow.h (potentially_threadable_block): Prototype.
15823 (thread_across_edge): Likewise.
15824 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15825 (tree-ssa-threadedge.o): Add dependencies.
15826 * tree-ssa-threadedge.c: New file.
15827 * passes.c (init_optimization_passes): Merge PHIs before
15828 calling VRP. Run VRP again late in the SSA optimization pipeline.
15830 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15832 * df-core.c (df_set_blocks): Do not dereference function pointers.
15833 (df_finish1): Likewise.
15834 (df_hybrid_search_forward): Likewise.
15835 (df_hybrid_search_backward): Likewise.
15836 (df_iterative_dataflow): Likewise.
15837 (df_analyze_problem): Likewise.
15838 (df_compact_blocks): Likewise.
15839 (df_dump): Likewise.
15840 * df-scan.c (df_rescan_blocks): Likewise.
15841 (df_record_entry_block_defs): Likewise.
15843 * genconditions.c (write_conditions): Guard the definition of
15844 'insn_conditions' with the check on GCC version.
15845 (write_writer): Guard the traversal 'insn_conditions' with
15846 the check on GCC version.
15848 2006-02-07 Richard Guenther <rguenther@suse.de>
15852 2006-01-30 Richard Guenther <rguenther@suse.de>
15854 * gimplify.c (gimplify_target_expr): Handle easy cases
15855 without creating a temporary.
15857 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15859 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15860 use of float in probability computations. Use edge probabilities
15861 in place of statically computed probabilities.
15862 (min_spec_prob): New static variable.
15863 (schedule_insns): Initialize it.
15864 (GET_SRC_PROB): Removed.
15865 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15867 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15870 * config/ia64/unwind-ia64.c: Revert last change.
15871 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15872 (INCOMING_FRAME_SP_OFFSET): Define.
15874 2006-02-06 Roger Sayle <roger@eyesopen.com>
15876 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15878 2006-02-07 Ben Elliston <bje@au.ibm.com>
15880 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15881 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15882 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15883 (ix86_return_in_memory): Handle TDmode.
15884 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15885 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15887 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15889 * reorg.c (dbr_schedule): Use dump_file instead of file.
15891 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15894 * config/ia64/predicates.md (extr_len_operand): New predicate.
15895 * config/ia64/ia64.md (extv): Tighten constraints.
15897 (*tbit_and_2): Ditto.
15898 (*tbit_and_3): Ditto.
15899 (*tbit_or_2): Ditto.
15900 (*tbit_or_3): Ditto.
15901 (*bit_zero): Ditto.
15904 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15907 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15909 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15911 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15912 loop_optimizer_init and loop_optimizer_finalize
15913 * tree-ssa-sink.c (execute_sink_code): Ditto.
15914 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15915 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15916 tree_ssa_loop_done): Ditto.
15917 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15918 * sched-ebb.c: Include output.h.
15919 (schedule_ebbs): Do not use dump argument.
15920 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15921 * loop.c (loop_dump_stream): Removed.
15922 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15924 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15925 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15926 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15927 loop_iterations, strength_reduce, record_biv, record_giv,
15928 final_giv_value, check_final_value, check_ext_dependent_givs,
15929 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15930 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15931 dump_file instead of loop_dump_stream.
15932 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15933 argument dump_file.
15934 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15936 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15937 * haifa-sched.c: Include output.h
15938 (schedule_insns, sched_init): Do not use dump argument.
15939 * mode-switching.c (optimize_mode_switching): Ditto.
15940 * modulo-sched.c (stats_file): Removed.
15941 (print_node_sched_params): Do not call argument dump_file.
15942 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15943 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15945 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15947 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15948 rtl_loop_init, rtl_loop_done): Ditto.
15949 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15950 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15952 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15953 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15954 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15955 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15956 * emit-rtl.c (renumber_insns): Ditto.
15957 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15958 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15959 * regclass.c (regclass): Ditto.
15960 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15961 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15962 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15963 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15965 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15966 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15968 * gcse.c (gcse_file, debug_stderr): Removed.
15969 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15970 rest_of_handle_gcse): Do not use dump argument.
15971 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15972 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15973 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15974 compute_code_hoist_vbeinout, compute_code_hoist_data,
15975 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15976 compute_store_table, build_store_vectors, insert_insn_start_bb,
15977 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15978 store_motion): Use dump_file instead of gcse_file.
15979 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15980 * profile.c (profile_dump_file): Removed.
15981 (branch_prob): Use dump_file instead of profile_dump_file.
15982 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
15984 * tree-ssa-copy.c (dump_copy_of): Ditto.
15985 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
15986 dump file to life_analysis.
15987 * bt-load.c (branch_target_load_optimize): Ditto.
15988 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
15990 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
15991 regclass, dbr_schedule): Declaration changed.
15992 * sched-int.h (sched_init): Declaration changed.
15993 * tree-profile.c (tree_profile_dump_file): Removed.
15994 (tree_profile_hooks): Removed profile_dump_file hook.
15995 * rtl-profile (rtl_profile_dump_file): Removed.
15996 (rtl_profile_hooks): emoved profile_dump_file hook.
15997 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
15999 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16000 * tree-cfg.c (build_tree_cfg): Ditto.
16001 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16002 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16003 Declaration changed.
16004 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16005 life_analysis and schedule_insns.
16006 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16008 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16010 * config/mips/mips.c (mips_reorg): Ditto.
16011 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16014 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16016 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16017 (s390_mangle_fundamental_type): New.
16018 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16021 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16022 (alpha_mangle_fundamental_type): New.
16023 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16026 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16028 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16030 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16031 (sparc_mangle_fundamental_type): New.
16033 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16035 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16036 (s390x-*-linux*): Likewise.
16037 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16038 * config/s390/t-linux: New file.
16040 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16042 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16043 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16045 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16047 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16048 (ANTIC_SAFE_LOADS): New macro.
16049 (find_or_generate_expression): Add prototype.
16050 (set_contains_value): Allow null set for sake of not always having
16051 to allocate ANTIC_SAFE_LOADS.
16052 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16053 Allow COMPONENT_REF too.
16054 (valid_in_set): Allow COMPONENT_REF.
16055 Check ANTIC_SAFE_LOADS too.
16056 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16057 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16059 (can_PRE_operation): Add COMPONENT_REF.
16060 (create_component_ref_by_pieces): New function.
16061 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16062 (insert_aux): Move AGGREGATE_TYPE_P check here.
16063 (compute_avail): Set bb local stmt uids.
16064 (pass_pre): Use TODO_update_ssa_only_virtuals.
16066 2006-02-06 Ben Elliston <bje@au.ibm.com>
16068 * configure.ac: Unconditionally disable decimal float by default.
16069 * configure: Regenerate.
16071 2006-02-06 Ben Elliston <bje@au.ibm.com>
16073 * read-rtl.c (read_name): Terminate reading on EOF.
16075 2006-02-06 Ben Elliston <bje@au.ibm.com>
16077 * dfp.c (decimal_real_arithmetic): Change second argument type
16078 from int to enum tree_code. Do not always return true, but now
16079 return result of any call to decimal_do helper functions.
16080 * dfp.h (decimal_real_arithmetic): Update prototype.
16082 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16084 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16086 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16089 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16092 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16094 * tree-vrp.c (cfg_loops): Removed.
16095 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16096 Use current_loops instead of cfg_loops. Pass flags to
16097 loop_optimizer_init.
16098 * cfgloopmanip.c (fix_loop_structure): Update only available
16100 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16101 loop_optimizer_init.
16102 * modulo-sched.c (build_loops_structure): Removed.
16103 (sms_schedule): Use loop_optimizer_init.
16104 * loop-init.c (loop_optimizer_init): Use flags to determine
16105 which properties of loops to prepare.
16106 (rtl_loop_init): Pass flags to loop_optimizer_init.
16107 * tree-ssa-sink.c (execute_sink_code): Ditto.
16108 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16109 * tree-ssa-pre.c (init_pre): Ditto.
16110 * cfgloop.h (LOOPS_NORMAL): New.
16111 (loop_optimizer_init): Declaration changed.
16113 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16115 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16116 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16118 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16120 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16122 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16123 * pa/t-pa64: Delete quadlib.c rule.
16124 * pa/x-ada: Revert last change.
16125 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16127 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16129 PR rtl-optimization/26087
16130 * rtlanal.c (canonicalize_condition): Do not cross basic block
16133 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16136 * config/ia64/ia64.c: Include debug.h.
16137 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16138 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16139 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16140 (process_epilogue, process_set, process_for_unwind_directive):
16141 Output unwind info only if requested. Add CFA info if requested.
16142 Add new arguments as needed. Adjust callers.
16143 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16145 (DWARF2_FRAME_INFO): Define to zero.
16146 * config/ia64/unwind-ia64.c: Remove code that compensated for
16147 the CFA offset error fixed above.
16148 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16149 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16150 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16151 -funwind-tables and -fexceptions to enable frame info.
16152 (dwarf2out_frame_init): Define initial CFA even if
16153 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16154 DWARF2_UNWIND_INFO is nonzero, not just defined.
16155 (dwarf2out_frame_finish): Output non-EH call frame info only
16156 if DWARF2_FRAME_INFO is nonzero.
16157 (convert_cfa_to_loc_list,
16158 compute_frame_pointer_to_cfa_displacement): Define even if
16159 unwind info is not supported.
16160 (gen_subprogram_die): Use the above unconditionally. Remove
16161 legacy alternate code.
16162 * toplev.c (compile_file): Compile in call to
16163 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16164 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16166 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16167 Jakub Jelinek <jakub@redhat.com>
16169 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16170 IBM extended float format long double as "g" on powerpc*-linux.
16172 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16175 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16176 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16178 2006-02-03 Jason Merrill <jason@redhat.com>
16181 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16183 PR middle-end/25977
16184 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16185 on the return slot if it's an NRV.
16187 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16189 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16190 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16191 rewrite_use): Do not handle USE_OUTER.
16192 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16193 add_iv_outer_candidates, may_replace_final_value,
16194 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16195 (find_interesting_uses_op): Functionality of
16196 find_interesting_uses_outer_or_nonlin moved here.
16197 (find_interesting_uses_outside): Use find_interesting_uses_op.
16199 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16202 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16204 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16205 Ulrich Weigand <uweigand@de.ibm.com>
16208 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16209 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16210 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16211 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16213 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16214 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16215 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16216 Define secondary reloads for TFmode moves.
16217 (constant_modes): Add TFmode.
16218 (NR_C_MODES): Set to 8.
16219 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16221 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16222 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16223 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16224 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16225 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16226 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16227 (FPR mode macro): Add TFmode.
16228 (DSF mode macro): New.
16229 (<de>, <dee> mode attributes): Removed.
16230 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16231 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16232 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16233 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16234 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16235 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16236 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16237 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16238 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16239 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16240 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16241 "*negabs<mode>2", "sqrt<mode>2"):
16242 Changed <de> to <xde>. R constraint replaced by <Rf>.
16243 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16245 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16246 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16247 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16249 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16250 "extenddftf2", "extendsftf2"): New expanders.
16251 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16252 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16253 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16254 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16256 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16257 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16258 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16259 __floatditf): Add a GCC_4.1.0 symbol version tag.
16260 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16263 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16266 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16267 Use targetm.binds_local_p instead of TREE_PUBLIC.
16269 2006-02-02 Roger Sayle <roger@eyesopen.com>
16271 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16272 on INTEGER_TYPEs to indicate that it denotes a character type.
16273 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16274 signed_char_type_node, unsigned_char_type_node and char_type_node.
16275 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16276 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16277 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16279 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16280 Daniel Berlin <dberlin@dberlin.org>
16282 * tree-tailcall.c (arg_needs_copy_p): New function.
16283 (eliminate_tail_call): Use arg_needs_copy_p.
16284 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16285 (add_virtual_phis): New function.
16287 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16289 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16290 #ignore instead of #scratch for %g7 .register directive.
16292 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16294 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16297 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16299 * flow.c (calculate_global_regs_live): Assert that there aren't any
16302 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16304 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16305 what its name says.
16306 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16307 bsi_after_labels iterator.
16308 * tree-if-conv.c (find_phi_replacement_condition,
16309 replace_phi_with_cond_modify_expr): Likewise.
16310 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16311 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16313 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16315 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16317 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16320 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16321 array after growing it.
16323 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16325 PR middle-end/24901
16326 * fold-const.c (fold_checksum_tree): Change type of buf.
16328 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16330 * reload.c (push_secondary_reload): Initialize t_icode.
16332 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16334 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16335 -msoft-float -mlong-double-128 only issue a warning, but don't
16336 swich to DFmode long double.
16338 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16340 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16341 has a constant equivalent, iterate over equivalents for arg0,
16342 calling simplify_relational_operation and if there's a result
16343 cheaper than X, apply fold_rtx and return the result.
16345 2006-02-01 Jan Hubicka <jh@suse.cz>
16347 * opts.c (no_unit_at_a_time_default): New global variable.
16348 (decode_options): Use it.
16349 * opts.h (no_unit_at_a_time_default): Declare.
16351 2006-02-01 Paul Brook <paul@codesourcery.com>
16353 * function.c (assign_parm_setup_reg): Use function argument promotion
16355 * expr.c (expand_expr_real_1): Use function argument promotion rules
16358 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16360 * gcc.c (process_command): Change j to 'unsigned int'.
16362 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16364 PR middle-end/26001
16365 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16366 Use the corrected index for the character
16367 out of the string constant.
16369 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16371 * mode-switching.c (optimize_mode_switching): Fix size
16372 allocated for bb_info[n_entities].
16374 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16376 * gcc.c (main): Correct type that is allocated for
16377 explicit_link_files.
16379 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16381 * config/s390/s390.c (init_alignment_context): Set
16382 ALIAS_SET_MEMORY_BARRIER on the MEM.
16383 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16385 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16387 PR middle-end/25933
16388 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16390 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16393 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16395 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16396 * regrename.c: Ditto.
16397 * tree-ssa-loop-im.c: Ditto.
16398 * tree-dump.c: Ditto.
16399 * tree-complex.c: Ditto.
16400 * genrecog.c: Ditto.
16401 * tree-ssa-threadupdate.c: Ditto.
16403 * java/class.c: Ditto.
16404 * java/jcf-parse.c: Ditto.
16405 * java/resource.c: Ditto.
16406 * java/except.c: Ditto.
16407 * java/jvspec.c: Ditto.
16408 * java/jcf-write.c: Ditto.
16409 * java/jcf-path.c: Ditto.
16410 * java/gjavah.c: Ditto.
16411 * java/zextract.c: Ditto.
16412 * java/jcf-io.c: Ditto.
16413 * java/jcf.h: Ditto.
16414 * java/buffer.c: Ditto.
16415 * java/lang.c: Ditto.
16416 * java/parse-scan.y: Ditto.
16417 * java/lex.c: Ditto.
16418 * java/lex.h: Ditto.
16419 * cfgloopmanip.c: Ditto.
16420 * postreload-gcse.c: Ditto.
16421 * tree-ssa-loop-manip.c: Ditto.
16422 * postreload.c: Ditto.
16423 * tree-ssa-loop-ch.c: Ditto.
16426 * cppspec.c: Ditto.
16427 * diagnostic.c: Ditto.
16429 * genoutput.c: Ditto.
16431 * cfghooks.c: Ditto.
16432 * cfgloopanal.c: Ditto.
16433 * objc/objc-act.c: Ditto.
16435 * genextract.c: Ditto.
16436 * genautomata.c: Ditto.
16437 * pretty-print.c: Ditto.
16438 * genemit.c: Ditto.
16439 * cgraphunit.c: Ditto.
16441 * df-scan.c: Ditto.
16442 * haifa-sched.c: Ditto.
16443 * dominance.c: Ditto.
16445 * tree-ssa-loop-ivopts.c: Ditto.
16446 * df-core.c: Ditto.
16447 * mode-switching.c: Ditto.
16448 * modulo-sched.c: Ditto.
16450 * ipa-pure-const.c: Ditto.
16452 * fix-header.c: Ditto.
16454 * tree-stdarg.c: Ditto.
16455 * ipa-utils.c: Ditto.
16456 * loop-init.c: Ditto.
16457 * ipa-inline.c: Ditto.
16458 * cfganal.c: Ditto.
16460 * alloc-pool.c: Ditto.
16461 * dwarf2out.c: Ditto.
16463 * genattrtab.c: Ditto.
16464 * tree-ssa-loop-ivcanon.c: Ditto.
16465 * predict.c: Ditto.
16466 * timevar.c: Ditto.
16468 * fortran/gfortranspec.c: Ditto.
16469 * regmove.c: Ditto.
16470 * local-alloc.c: Ditto.
16471 * langhooks.c: Ditto.
16472 * function.c: Ditto.
16473 * tree-vectorizer.c: Ditto.
16475 * ipa-type-escape.c: Ditto.
16477 * tree-if-conv.c: Ditto.
16478 * profile.c: Ditto.
16480 * tree-data-ref.c: Ditto.
16481 * loop-unroll.c: Ditto.
16482 * treelang/treetree.c: Ditto.
16484 * bt-load.c: Ditto.
16485 * ggc-common.c: Ditto.
16487 * coverage.c: Ditto.
16489 * tree-cfgcleanup.c: Ditto.
16490 * tree-ssa-pre.c: Ditto.
16491 * cfgcleanup.c: Ditto.
16492 * loop-invariant.c: Ditto.
16493 * loop-iv.c: Ditto.
16494 * ipa-prop.c: Ditto.
16495 * print-tree.c: Ditto.
16496 * conflict.c: Ditto.
16497 * ggc-page.c: Ditto.
16498 * sched-deps.c: Ditto.
16499 * regclass.c: Ditto.
16500 * tree-object-size.c: Ditto.
16501 * combine.c: Ditto.
16502 * bb-reorder.c: Ditto.
16503 * resource.c: Ditto.
16504 * var-tracking.c: Ditto.
16505 * cfgloop.c: Ditto.
16506 * df-problems.c: Ditto.
16507 * reg-stack.c: Ditto.
16509 * gccspec.c: Ditto.
16510 * sched-rgn.c: Ditto.
16511 * tree-ssa-structalias.c: Ditto.
16512 * tree-ssa-reassoc.c: Ditto.
16513 * config/darwin-c.c: Ditto.
16514 * config/darwin.c: Ditto.
16515 * config/arm/arm.c: Ditto.
16517 * collect2.c: Ditto.
16518 * reload1.c: Ditto.
16520 2006-01-31 Nicolas Pitre <nico@cam.org>
16522 * arm.md (smaxsi3): Make aware of smax_m1.
16525 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16527 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16529 2006-01-31 Richard Guenther <rguenther@suse.de>
16531 * doc/invoke.texi (-msselibm): Document.
16532 * target.h (expand_library_builtin): New target hook.
16533 * builtins.c (expand_builtin): Use expand_library_builtin.
16534 (default_expand_library_builtin): New function.
16535 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16536 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16537 (link_gcc_math_spec): Declare.
16538 (static_specs): Add link_gcc_math_spec.
16539 * expr.h (default_expand_library_builtin): Declare.
16540 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16541 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16542 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16543 * config/i386/i386.opt (msselibm): New target option.
16544 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16545 (ix86_init_sse_abi_builtins): New function.
16546 (ix86_expand_library_builtin): Likewise.
16547 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16548 (override_options): Handle error conditions wrt -msselibm.
16549 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16550 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16551 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16554 2006-01-31 Richard Guenther <rguenther@suse.de>
16555 Paolo Bonzini <bonzini@gnu.org>
16557 * doc/install.texi (--disable-libgcc-math): Document.
16559 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16561 * expr.h (expand_normal): new inline function.
16562 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16563 * dojump.c: use it.
16564 * dwarf2out.c: use it.
16567 * expmed.c: use it.
16568 * except.c: use it.
16569 * config/sparc/sparc.c: use it.
16570 * config/i386/i386.c: use it.
16571 * config/rs6000/rs6000.c: use it.
16572 * config/arm/arm.c: use it.
16573 * config/mips/mips.c: use it.
16574 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16576 2006-01-30 Roger Sayle <roger@eyesopen.com>
16578 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16579 argv to the appropriate type.
16581 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16583 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16586 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16589 * config/s390/s390.c (struct machine_function): New flag
16590 decomposed_literal_pool_addresses_ok_p.
16591 (s390_reorg): Set it before final stage of literal pool transforms.
16592 (s390_decompose_address): Only accept displacements of the form
16593 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16595 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16597 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16598 the comparison routine return.
16600 2006-01-30 Michael Matz <matz@suse.de>
16602 * global.c (find_reg): Only evict for global regs.
16603 Take n_refs into account and dump more info.
16605 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16608 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16609 (pragma_trap, pragma_nosave_low_regs): Likewise.
16610 (current_function_anonymous_args): Likewise.
16611 (sh_deferred_function_attributes): New variable.
16612 (sh_deferred_function_attributes_tail): Likewise.
16613 (print_operand): For '@', look up trap_exit attribute.
16614 (calc_live_regs): Look up trapa_handler attribute. For trapa
16615 handlers, save/restore fpscr, but don't do any other
16616 interrupt-specific saves.
16617 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16618 Fix check for partially saved registers to check for SHmedia.
16619 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16620 (sh_output_function_epilogue): Don't clear any of the removed
16622 (sh_insert_attributes): Don't check pragma_interrupt.
16623 Insert deferred attributes. Check that interrupt attribute is
16624 present for other attributes that require its presence.
16625 (sh_attribute_table): Add new attributes trapa_handler and
16627 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16628 Don't check for pragma_interrupt. Don't store argument.
16629 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16630 (sh_deferred_function_attributes): Declare.
16631 (sh_deferred_function_attributes_tail): Likewise.
16632 * sh.md (sp_switch_1): Add operand. Change generator caller.
16633 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16634 (*return_i): Don't use when trap_exit attribute is in effect.
16635 (*return_trapa): New insn pattern.
16636 * sh-c.c: New file.
16637 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16638 setting c_target_objs and cxx_target_objs.
16639 * t-sh: Add rule for sh-c.o.
16641 2006-01-30 Richard Guenther <rguenther@suse.de>
16644 * gimplify.c (gimplify_target_expr): Handle easy cases
16645 without creating a temporary.
16647 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16649 * vec.h (safe_grow): Remove duplicated line.
16651 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16654 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16655 (expand_omp): ... here.
16656 (expand_omp_parallel): Only remove barriers for combined
16657 parallel+workshare constructs.
16659 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16663 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16664 * tree.c (build_qualified_type): Chain the new type to the original
16665 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16666 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16667 (build_pointer_type_for_mode): Only return unqualified types.
16668 (build_reference_type_for_mode): Likewise.
16670 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16672 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16673 * Makefile.in (CXX_COMPAT_WARN): Define.
16674 * configure: Regenerate.
16676 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16679 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16682 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16684 * toplev.c: Fix thinko.
16686 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16687 Marcin Dalecki <martin@dalecki.de>
16689 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16690 (push_srcloc): Use XNEW.
16691 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16693 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16695 * df-core.c (df_set_blocks): Deleted all variable.
16697 2006-01-28 Ian Lance Taylor <ian@airs.com>
16699 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16700 cgraph_output_pending_asms.
16702 2006-01-28 Zack Weinberg <zackw@panix.com>
16704 * c.opt: Add -W(no-)overlength-strings.
16705 * doc/invoke.texi: Document it.
16706 * c-opts.c (c_common_handle_option): -pedantic implies
16707 -Woverlength-strings, if not explicitly disabled already.
16708 (c_common_post_options): -Woverlength-strings defaults to off, and
16709 is always off for C++.
16710 * c-common.c (fix_string_type): Issue warning about strings longer
16711 than is portable only if warn_overlength_strings. Rearrange code
16712 a little for clarity.
16713 * configure.in: Check for -Wno-overlength-strings as well before
16714 enabling -pedantic in stage 1.
16715 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16716 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16718 * genconditions.c (write_header, write_one_condition)
16719 (write_conditions, write_writer): Consolidate very long strings
16720 that were broken up to fit in C89 portable limit. Don't use
16721 printf when fputs will do.
16723 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16725 * combine.c (simplify_comparison <AND>): Check
16726 TRULY_NOOP_TRUNCATION before start using a subreg.
16728 * config/mips/mips.md (*branch_zero<mode>,
16729 *branch_zero<mode>_inverted, *branch_equality<mode>,
16730 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16731 Remove mode check from comparisons.
16733 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16735 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16737 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16739 * expmed.c (const_mult_add_overflow_p): Remove.
16740 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16742 * recog.c (validate_replace_rtx_subexp): Remove.
16743 * recog.h: Remove the prototype for
16744 validate_replace_rtx_subexp.
16746 * integrate.h: Remove the prototype for
16747 copy_decl_for_inlining.
16748 * rtl.h: Remove the prototype for mark_constant_function.
16749 * tree-vectorizer.h: Remove the prototype for
16750 vect_strip_conversion.
16752 * modulo-sched.c (create_partial_schedule,
16753 free_partial_schedule, reset_partial_schedule): Make them
16756 * hooks.c (hook_bool_rtx_int_false): Remove.
16757 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16759 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16761 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16762 and -mlong-double-128 are incompatible.
16763 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16764 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16765 (TARGET_LIBGCC2_CFLAGS): Define.
16766 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16767 (TARGET_LIBGCC2_CFLAGS): Same.
16768 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16770 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16773 * c-typeck.c (build_binary_op): Perform implicit casts of
16774 operands before shortening them.
16776 * cfgloopmanip.c (split_loop_bb): Remove.
16777 * cfgloop.h: Remove the prototype for split_loop_bb.
16779 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16780 * cfgloop.h: Remove the prototype for
16781 flow_loop_outside_edge_p.
16783 * emit-rtl.c (init_virtual_regs): Make it static.
16784 * function.h: Remove the prototype for init_virtual_regs.
16786 * recog.c (peephole2_optimize): Make it static.
16787 * recog.h: Remove the prototype for peephole2_optimize.
16789 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16791 * df-scan.c (df_record_entry_block_defs): Check if
16792 INCOMING_RETURN_ADDR_RTX is defined.
16794 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16795 Kenneth Zadeck <zadeck@naturalbridge.com>
16797 PR rtl-optimization/24762
16798 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16799 * targhooks.c (hook_void_bitmap): New hook prototype.
16800 * targhoohs.h (hook_void_bitmap): Ditto.
16801 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16802 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16803 * target.h (live_on_entry): New function pointer.
16804 * df-scan.c (df_all_hard_regs): Removed.
16805 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16806 (df_scan_free_internal): Added df->entry_block_defs.
16807 (df_scan_alloc): Ditto.
16808 (df_scan_dump): Ditto.
16809 (df_uses_record): Plumbed flag field properly thru calls.
16810 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16811 This part fixes PR24762.
16812 (df_bb_refs_record): Added code to make the frame and arg
16813 pointers live in EH blocks.
16814 (df_refs_record): Added call to df_record_entry_block_defs.
16815 (df_record_entry_block_defs): New function.
16816 * df-core.c: Added comments to describe new artifical defs.
16817 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16818 (entry_block_defs): New field in struct df.
16819 (df_all_hard_regs): Deleted.
16820 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16821 * df-problems.c (df_ru_bb_local_compute_process_def):
16822 Added code to handle artifical defs in the entry to a function.
16823 (df_ru_bb_local_compute): Ditto.
16824 (df_rd_bb_local_compute_process_def): Ditto.
16825 (df_rd_bb_local_compute): Ditto.
16826 (df_lr_bb_local_compute): Ditto.
16827 (df_ur_bb_local_compute): Ditto.
16828 (df_urec_bb_local_compute): Ditto.
16829 (df_chain_create_bb): Ditto.
16830 (df_ur_local_finalize): Removed entry.
16831 (df_urec_init): Ditto.
16832 (df_urec_local_finalize): Ditto.
16833 (df_ri_bb_compute): Added detection of last use of pseudos.
16834 * Makefile.in (df-scan.o): Updated dependencies.
16835 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16836 * config/mips/mips.c (mips_set_live_on_entry): Added.
16837 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16839 * dce.c (marked_insn_p): Added code to handle artifical defs.
16841 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16843 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16845 (_mm_cvtsi128_si64): Likewise.
16846 (_mm_cvtsd_si64): Likewise.
16847 (_mm_cvttsd_si64): Likewise.
16848 (_mm_cvtsi64_sd): Likewise.
16849 (_mm_cvtsi64_si128): Likewise.
16850 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16851 (_mm_cvtsi64_m64): Likewise.
16852 (_m_to_int64): Likewise.
16853 (_mm_cvtm64_si64): Likewise.
16854 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16855 (_mm_cvttss_si64): Likewise.
16856 (_mm_cvtsi64_ss): Likewise.
16857 (_mm_cvtss_f32): Likewise.
16859 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16861 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16862 for pragma redefine_extname.
16864 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16867 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16868 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16869 -mno-minimal-toc to previous content.
16870 (bispecs): Remove goal.
16871 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16872 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16873 compatibility aliases on powerpc-*-*gnu*.
16874 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16875 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16876 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16877 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16878 (ldblspecs): New goal.
16879 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16880 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16882 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16883 L_sf_to_tf or L_df_to_tf is defined.
16885 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16886 Alan Modra <amodra@bigpond.net.au>
16889 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16890 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16891 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16892 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16893 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16894 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16895 (rs6000_override_options): Initialize rs6000_ieeequad.
16896 Initialize TFmode format to ibm_extended_format if not
16898 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16900 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16901 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16902 (function_arg_advance): IBM long double passed in two FPRs, not
16904 (function_arg): IBM long double passed in FPRs.
16905 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16906 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16907 Only multireg GPR aligned.
16908 (rs6000_init_libfuncs): Enable IBM long double functions if not
16910 (rs6000_generate_compare): Use IBM long double compare if not
16912 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16913 (TARGET_IEEEQUAD): Define.
16914 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16915 not TARGET_IEEEQUAD.
16916 * config/rs6000/rs6000.md: Enable TFmode patterns if
16918 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16919 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16920 and -mlong-double-128 are incompatible.
16921 * doc/invoke.texi (-mabi): Collect options together. Add
16922 ibmlongdouble and ieeelongdouble.
16924 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16926 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16928 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16929 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16930 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16931 * rtl.h (rtunion_def): Remove rt_ptr.
16933 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16934 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16935 * config/i386/winnt.c (i386_pe_mark_dllexport)
16936 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16938 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16940 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16942 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16946 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16947 pthread_key_delete. From John David Anglin. gthrw-ify
16948 pthread_getunique_np only if it it's not a macro. Delete
16950 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16951 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16952 __gthread_objc_condition_signal, __gthread_key_delete): Add
16953 "__attribute__ ((__unused__))" to unused arguments.
16954 (__gthread_recursive_mutex_init_function): Add missing return.
16955 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16956 gthr-posix95.h: Use macro-based approach for name redirection
16957 on targets missing weakref.
16959 2006-01-26 Zack Weinberg <zackw@panix.com>
16961 * genconditions.c (write_header): In generated code, #ifdef out
16962 all includes and fake declarations, except includes of bconfig.h
16963 and system.h, unless GCC_VERSION >= 3001. Do not include
16964 gensupport.h in any case.
16965 (write_conditions): Generate a definition of struct c_test. Add
16966 a comment to the generated #endif.
16967 (write_one_condition): Escape backslashes in string too.
16968 (write_writer): Generated code must escape backslashes and quote
16969 marks (but not newlines) in the strings it writes.
16970 * Makefile.in (build/gencondmd.o): Update dependencies.
16972 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16975 * Makefile.in (insn-automata.o): Add header file dependencies.
16976 * genautomata.c: Add includes.
16978 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16981 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16983 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
16985 * configure.ac: Expect target tools paths to be passed from the toplevel
16986 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
16988 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
16990 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16993 * c.opt (Wpointer-sign): Init to -1.
16994 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
16995 OPT_pedantic, to 0 otherwise.
16996 * doc/invoke.texi: Update.
16998 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17000 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17001 constants provided by 80387 instructions in the destination mode.
17003 2006-01-26 Richard Guenther <rguenther@suse.de>
17004 Andrew Pinski <pinskia@physics.uc.edu>
17007 partial PR tree-opt/17064
17008 * tree-ssa-structalias.c (intra_create_variable_infos):
17009 Create heap variables for incoming parameters if
17010 flag_argument_noalias > 1.
17011 (find_what_p_points_to): Look through default defs of
17014 2006-01-26 Jeff Law <law@redhat.com>
17017 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17018 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17019 within the VR_RANGE, use the VR_RANGE as the result, not the
17021 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17022 bounds for the type.
17024 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17026 * tree-ssa-alias.c (maybe_create_global_var): Change
17027 subvar walking to an assertion that we don't have subvar'd variables.
17029 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17032 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17033 Use a new variable, inner. PARM_DECLs are always non-weak.
17035 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17037 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17038 --disable-checking.
17040 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17042 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17044 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17046 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17047 (smax_insn, smin_insn, smax_0, smin_0): New.
17049 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17052 * config/cris/cris.c (cris_order_for_addsi3): New function.
17053 * config/cris/cris-protos.h: Prototype it.
17054 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17055 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17056 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17057 (split for "op.S1 [rx=rx+i],ry (swapped)")
17058 (split for "op(s|u).S1 [rx=rx+i],ry")
17059 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17060 Apply cris_order_for_addsi3 when generating addsi3 insns.
17062 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17064 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17065 (TREE_BLOCK): Add call to EXPR_CHECK.
17067 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17070 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17071 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17072 (dump_omp_clauses): ... here.
17073 (dump_generic_node): Handle OMP_CLAUSE.
17074 * tree.c (omp_clause_num_ops): New.
17075 (omp_clause_code_name): New.
17076 (tree_code_size): Handle OMP_CLAUSE.
17077 (tree_size): Likewise.
17078 (make_node): Document handling of OMP_CLAUSE.
17079 (tree_node_structure): Handle OMP_CLAUSE.
17080 (omp_clause_check_failed): New.
17081 (omp_clause_range_check_failed): New.
17082 (omp_clause_operand_check_failed): New.
17083 (build_omp_clause): New.
17084 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17085 * tree.h (enum omp_clause_code): Declare.
17086 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17087 (OMP_CLAUSE_RANGE_CHECK): Define.
17088 (OMP_CLAUSE_ELT_CHECK): Define.
17089 (omp_clause_check_failed): Declare.
17090 (omp_clause_operand_check_failed): Declare.
17091 (omp_clause_range_check_failed): Declare.
17092 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17093 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17094 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17095 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17096 (OMP_CLAUSE_IF_EXPR): Likewise.
17097 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17098 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17099 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17100 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17101 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17102 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17103 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17104 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17105 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17106 (OMP_CLAUSE_CODE): Define.
17107 (OMP_CLAUSE_SET_CODE): Define.
17108 (OMP_CLAUSE_CODE): Define.
17109 (OMP_CLAUSE_OPERAND): Define.
17110 (struct tree_omp_clause): Declare.
17111 (union tree_node): Add field 'omp_clause'.
17112 * treestruct.def (TS_OMP_CLAUSE): Define.
17113 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17114 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17115 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17116 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17117 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17118 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17119 (OMP_CLAUSE): Define.
17120 * print-tree.c (print_node): Handle OMP_CLAUSE.
17121 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17122 * c-typeck.c: Likewise.
17123 * gimplify.c: Likewise.
17124 * c-omp.c: Likewise.
17125 * tree-nested.c: Likewise.
17126 * tree-inline.c: Likewise.
17127 * c-parser.c: Likewise.
17128 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17131 2006-01-25 Roger Sayle <roger@eyesopen.com>
17133 PR rtl-optimization/25703
17134 * combine.c (try_combine): Handle zero_extract and strict_low_part
17135 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17137 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17139 * global.c: Fix comment typos.
17141 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17144 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17145 Use output_addr_const instead of assemble_name.
17147 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17149 * Makefile.in (sched-vis.o): Update dependencies.
17150 * haifa-sched.c (sched_finish): Clear current_sched_info.
17151 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17152 (dump_flow_info): Call it.
17153 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17155 * basic-block.h (dump_bb_info): Declare.
17156 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17157 option, and apply options only for dump files whose TDF_RTL,
17158 TDF_TREE, or TDF_IPA bits match.
17159 * rtl.h: Declare new functions exported from sched-vis.c.
17160 * sched-vis.c: Enable also if scheduling is not used.
17161 (print_value): Print the mode of registers if not inside scheduling.
17162 (print_insn): Make it work outside the scheduler. Beautify the output
17164 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17166 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17168 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17169 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17170 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17171 depending on the value of CONSTANT_POOL_ADDRESS_P.
17172 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17174 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17175 rather than SYMBOL_REF_DECL.
17176 (rtx_constant_pool): Remove const_rtx_sym_htab.
17177 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17178 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17179 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17180 Remove handling of const_rtx_sym_htab.
17181 (find_pool_constant): Delete.
17182 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17183 rather than find_pool_constant.
17184 (get_pool_constant_for_function): Delete.
17185 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17186 find_pool_constant.
17187 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17188 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17189 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17190 (SYMBOL_REF_CONSTANT): New macro.
17191 (get_pool_constant_for_function): Delete.
17192 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17193 rather than SYMBOL_REF_DECL.
17194 (i386_pe_mark_dllimport): Likewise.
17195 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17196 rather than SYMBOL_REF_DECL.
17197 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17198 (machopic_indirect_call_target): Likewise.
17200 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17202 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17204 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17206 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17208 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17210 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17212 2006-01-24 David Daney <ddaney@avtrex.com>
17215 * configure.ac (enable_tls): New enable option.
17216 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17217 * configure: Regenerate.
17218 * doc/install.texi (--enable-tls): Document new option.
17219 (--disable-tls): Ditto.
17221 2006-01-24 Richard Henderson <rth@redehat.com>
17223 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17224 * alias.c (true_dependence): Respect it.
17225 (canon_true_dependence, write_dependence_p): Likewise.
17226 * builtins.c (get_builtin_sync_mem): Set it.
17228 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17230 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17233 2006-01-24 DJ Delorie <dj@redhat.com>
17235 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17236 for storing constants in single-bit bitfields.
17238 2006-01-25 Ben Elliston <bje@au.ibm.com>
17240 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17242 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17245 * tree-ssa-pre.c (phi_translate): Return NULL
17246 for AGGREGATE_TYPE's.
17248 2006-01-24 Zack Weinberg <zackw@panix.com>
17250 * genautomata.c (process_state_for_insn_equiv_partition):
17251 Use xcalloc for insn_arcs_array.
17252 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17253 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17255 2006-01-24 Richard Henderson <rth@redhat.com>
17257 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17258 update all callers.
17260 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17262 PR rtl-optimization/25890
17263 PR rtl-optimization/25905
17264 * combine.c (expand_compound_operation, expand_field_assignment):
17265 Fail if the bitfield's final position is out of bounds.
17267 2006-01-24 Ian Lance Taylor <ian@airs.com>
17269 PR middle-end/25930
17270 * cgraphunit.c (cgraph_output_in_order): Don't clear
17271 cgraph_asm_nodes until after asm strings have been output.
17273 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17275 * fix-header.c (read_scan_file): Add new parameter imultilib when
17276 calling register_include_chains.
17278 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17280 * omp-low.c: Update documentation.
17282 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17283 Daniel Berlin <dberlin@dberlin.org>
17287 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17288 return from the function.
17290 2006-01-22 Zack Weinberg <zackw@panix.com>
17292 * rtl.def (match_code): Add second argument.
17293 * genpreds.c (write_extract_subexp): New function.
17294 (write_match_code): Add path argument. Use write_extract_subexp.
17295 (write_predicate_expr): Pass path to write_match_code.
17296 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17297 not perform a mode test.
17298 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17299 a subexpression does not constrain the top-level code set.
17300 * read-rtl.c (read_rtx_variadic): New function.
17301 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17302 * doc/md.texi: Document new notation.
17303 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17304 (cmpsi_operand): ... here, using new notation.
17306 2006-01-22 Zack Weinberg <zackw@panix.com>
17308 * varray.c: Remove GENERATOR_FILE #ifdefs.
17310 2006-01-22 Zack Weinberg <zackw@panix.com>
17312 * genautomata.c (output_reserved_units_table): Emit nothing if
17313 description->query_units_num is zero. Remove extra blank line.
17314 (output_cpu_unit_reservation_p): Short circuit
17315 if description->query_units_num is zero.
17317 2006-01-22 Zack Weinberg <zackw@panix.com>
17319 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17320 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17321 nor any of the random handful of variables that used to be necessary
17322 when this program was linked with rtlanal.o. Prune set of forward
17323 function declarations.
17324 (struct attr_desc): Remove static_p field.
17325 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17326 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17327 (attr_string): Do not read the character one past the length of
17329 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17330 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17331 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17332 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17333 (make_automaton_attrs): New.
17334 (main): Do not call into genautomata. Call local gen_bypass
17335 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17336 Remove special case for insn_alts.
17337 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17338 varray.h (leftover from previous change). Prune set of forward
17339 function declarations. Remove state_alts fields from all
17340 structures. Remove state_alts_table from struct automaton.
17341 Make everything except main static. Do not maintain num_dfa_decls.
17342 Do not maintain state_alts fields of various structures.
17343 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17344 (add_arc): Remove state_alts argument. All callers updated.
17345 (output_reserved_units_table): Emit #ifdef here...
17346 (output_tables): ...not here. Don't generate state_alts tables.
17347 (expand_automata): Don't generate attributes.
17348 (write_automata): Don't generate state_alts functions.
17349 (main): New function.
17350 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17351 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17352 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17353 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17354 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17355 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17356 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17357 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17359 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17360 * genattrtab.h: Delete file.
17361 * Makefile.in (OBJS-common): Add insn-automata.o.
17362 (insn-automata.o): New rule.
17363 (simple_generated_c): Add insn-automata.c.
17364 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17365 (genprogmd): Add automata.
17366 (build/genattrtab): Needs no extra objects nor libraries.
17367 (build/genautomata): Needs build/vec.o and -lm.
17369 2006-01-22 Zack Weinberg <zackw@panix.com>
17371 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17372 (output_dfa_max_issue_rate, locked_states_num): Delete.
17373 (struct automaton): Add locked_states field.
17374 (output_dead_lock_vect): Save number of locked states in
17375 automaton->locked_states. If it is zero, don't print anything.
17376 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17377 (output_internal_dead_lock_func): Only test the dead_lock_vect
17378 for automata that have locked states.
17379 (output_statistics): Always print the number of locked states for
17380 each automaton. Calculate total number of locked states here.
17381 (write_automata): Don't call output_dfa_max_issue_rate.
17382 * genattrtab.c: Define length_unit_log as a const variable.
17383 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17384 max_insn_queue_index const.
17385 * final.c (length_unit_log): Declare const.
17386 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17388 2006-01-22 Zack Weinberg <zackw@panix.com>
17390 * genautomata.c: Include vec.h, not varray.h.
17391 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17392 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17393 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17394 VEC_* macros operating on appropriately typed vectors, or to
17395 malloced arrays when the size is known in advance. Const-ify
17396 many char* variables and function arguments. No functional changes.
17397 * Makefile.in (build/varray.o): Delete rule.
17398 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17399 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17401 2006-01-22 Zack Weinberg <zackw@panix.com>
17403 * gensupport.c: Define get_insn_name and record_insn_name here.
17404 (read_md_rtx): Call record_insn_name as appropriate.
17405 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17406 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17407 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17409 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17410 (BUILD_VARRAY): Delete.
17411 (genprognormal): Rename genprogmd. Fold in all programs from
17412 genprognoprint; also attrtab.
17413 (build/genattrtab): Just mention genautomata.o and varray.o.
17414 Reorganize a bit, add comments to make the categories clearer.
17416 2006-01-22 Zack Weinberg <zackw@panix.com>
17418 * genconditions.c (condition_table, add_condition): Delete.
17419 (write_conditions): Don't emit n_insn_conditions nor
17420 insn_elision_unavailable. Issue the gcc version #ifdef here,
17421 inside the table, with no #else clause ...
17422 (write_header): ...not here.
17423 (write_writer): New function.
17424 (main): Don't initialize condition_table. Use add_c_test.
17426 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17427 files on the command line.
17428 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17429 Return -1 if there is no entry in the table, don't abort.
17430 (add_c_test, traverse_c_tests): New functions.
17431 * gensupport.h (insn_elision_unavailable, insn_conditions)
17432 (n_insn_conditions): Delete declarations.
17433 (add_c_test, traverse_c_tests): Declare.
17434 * read-rtl.c: Include gensupport.h.
17435 (read_conditions): New function.
17436 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17437 (read_rtx_1): If we get EOF when we were looking for an initial
17438 open paren, return 0. Call read_conditions when appropriate.
17439 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17440 dummy-conditions.o. Eliminate references to insn-conditions.o,
17441 or change them to build/gencondmd.o, as appropriate. Remove
17442 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17443 from $(simple_generated_c). For all files remaining in those
17444 two lists, add insn-conditions.md to the generator command line.
17445 Give insn-constants.h/s-constants their own rules. Add rules
17446 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17447 (build/read-rtl.o): Depend on gensupport.h.
17448 (genprognormal): Include preds.
17449 (genprogearly): Rename genprognoprint; only difference is now that
17450 they don't link with $(BUILD_PRINT).
17451 * dummy-conditions.c: Delete.
17453 2006-01-22 Zack Weinberg <zackw@panix.com>
17455 * genextract.c: Don't include insn-config.h. Do include vec.h.
17456 Declare vectors of int, char, and locstr.
17457 (locstr): New typedef.
17458 (struct extraction): Make all array fields into bare pointers.
17459 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17460 (insn_code_number): Delete.
17461 (accum_extract): New struct.
17462 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17463 (gen_insn): Take insn_code_number as an argument. Use an
17464 accum_extract structure instead of loading data directly into
17465 a struct extraction, and having to know how big it might get.
17466 (walk_rtx): Operate entirely on an accum_extract structure.
17467 (print_path): Avoid unnecessary use of printf.
17468 (print_header): New function, split out of main. Distinguish
17469 more carefully between an unrecognizable insn and an insn that
17470 has the code number of a define_expand.
17471 (main): Pass insn_code_number to gen_insn. Call print_header
17472 only after parsing. Avoid unnecessary use of printf.
17473 * Makefile.in (build/vec.o): New rule.
17474 (build/genextract): Depend on build/vec.o.
17475 (build/genextract.o): Don't depend on insn-config.h.
17477 2006-01-22 Zack Weinberg <zackw@panix.com>
17479 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17480 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17481 practical. Eliminate per-generator-program link rules.
17483 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17485 PR middle-end/24437
17486 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17487 with a call expr to ...
17488 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17490 2006-01-23 Richard Guenther <rguenther@suse.de>
17492 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17493 before make_edge with conditional EDGE_TRUE_VALUE.
17495 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17496 Jan Hubicka <jh@suse.cz>
17497 Richard Guenther <rguenther@suse.de>
17499 PR rtl-optimization/25654
17500 * cfgexpand.c (aggregate_contains_union_type): New function.
17501 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17502 for structure variables that contain a union type.
17504 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17506 * gengtype.c (new_structure): Return the structure.
17507 (create_option): Add an extra "next" argument.
17508 (create_field): New function.
17509 (adjust_field_rtx_def): Use create_option and create_field.
17510 Remove a now-unnecessary call to find_structure.
17511 (adjust_field_tree_def): Likewise.
17512 (note_yacc_type): Remove an unnecessary call to find_structure.
17513 * gengtype.h (new_structure): Return the structure.
17514 (create_option): Add an extra argument.
17515 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17516 (option): Adjust calls to create_option.
17518 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17520 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17522 2006-01-22 Paul Brook <paul@codesourcery.com>
17523 Peter Barada <peter@the-baradas.com>
17525 * config/m68k/m68k.md: Add Coldfire FPU support.
17526 Define FP mode macro and associated attributes.
17527 Use it for float mode patterns.
17528 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17529 (LIBCALL_VALUE): Use m68k_libcall_value.
17530 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17531 (m68k_function_value): Ditto.
17532 (emit_move_sequence): Ditto.
17533 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17534 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17535 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17536 (MULTILIB_EXCEPTIONS): Ditto.
17537 * config/m68k/m68k.opt: Add mcfv4e.
17538 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17539 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17540 (m68k_output_function_prologue): Save ColdFire FPU registers.
17541 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17542 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17543 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17544 ColdFire FPU registers.
17545 (m68k_libcall_value, m68k_function_value): New functions.
17546 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17547 (LIBCALL_VALUE): Use m68k_libcall_value.
17548 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17549 (MASK_COLDFIRE): Add MASK_CFV4E.
17550 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17551 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17552 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17553 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17554 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17555 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17556 * doc/invoke.tex: Document -mcfv4e on m68k.
17558 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17560 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17563 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17566 * c-opts.c (c_common_handle_option): Don't include
17567 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17568 * doc/invoke.texi (C++ Dialect Options): Document that
17569 -Wnon-virtual-dtor is no longer included in -Wall.
17571 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17573 * gcov.c (print_version), gcov-dump.c (print_version),
17574 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17577 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17579 * df-scan.c (problem_SCAN): Added NULL reset function.
17580 (df_scan_reset_blocks): Added code to call reset block function
17581 (df_bb_refs_delete) Fixed comment.
17582 (df_insn_refs_delete): Made tolerant of deleting non existent info
17583 for dataflow problems that need to be reset.
17584 * df-core.c (df_set_blocks): Ditto.
17585 * df.h (struct df_problem): Added reset_fun.
17586 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17587 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17588 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17589 functions to clear out all references to def-use or use-def chains.
17591 2006-01-21 Ben Elliston <bje@au.ibm.com>
17593 * varasm.c (assemble_real): Initialise data array.
17595 2006-01-20 Paul Brook <paul@codesourcery.com>
17597 Merge from csl-arm-branch.
17598 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17599 * config/arm/arm.md (movdi): Force operands[1] to a register
17600 if we have a non-register source.
17601 (*arm_movdi, *movdf_soft_insn): Require that one of the
17602 operands be a register.
17603 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17604 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17606 2006-01-20 DJ Delorie <dj@redhat.com>
17608 * varasm.c (initializer_constant_valid_p): Allow pointers
17609 initialized from integer constants of lesser precision.
17610 (output_constant): Allow non-int-sized pointer modes to be
17611 initialized from integer constants.
17613 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17616 * cppdefault.h (struct default_include): Add multilib flag.
17617 * cppdefault.c (cpp_include_defaults): Set it.
17618 * c.opt (-imultilib): New option.
17619 * c-opts.c (imultilib): New.
17620 (c_common_handle_option): Handle -imultilib.
17621 (c_common_post_options): Likewise.
17622 * c-incpath.c (add_standard_paths, register_include_chains):
17624 * c-incpath.h (register_include_chains): Add extra parameter.
17625 * gcc.c (do_spec_1): Generate -imultilib option.
17626 (The Specs Language): Update %I description.
17627 (process_command): Update copyright notice.
17628 * doc/cppopts.texi (-imultilib): Document.
17629 * doc/invoke.texi (-imultilib): Include in option summary.
17630 (%I): Update specs documentation.
17632 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17634 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17636 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17638 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17641 2006-01-20 Richard Guenther <rguenther@suse.de>
17642 Steven Bosscher <stevenb.gcc@gmail.com>
17644 PR rtl-optimization/24626
17645 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17646 EDGE_TRUE_VALUE if in RTL mode.
17649 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17650 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17652 2006-01-20 Dirk Mueller <dmueller@suse.com>
17655 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17656 instead of a special NOP marker.
17657 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17658 NOP marker handling.
17659 * c-common.h (empty_body_warning): Add forward declaration.
17660 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17661 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17663 2006-01-20 Paul Brook <paul@codesourcery.com>
17665 * Makefile.in (lang_checks): Keep going if mkdir fails.
17667 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17669 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17670 be able to clean out basic block when not necessary.
17671 (df_scan_free): Fixed to properly delete information if df is
17672 unused before calling df_finish.
17673 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17674 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17676 (df_bb_refs_delete): New function.
17677 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17678 * df-core.c (df_set_blocks): Added code to properly clean out
17679 unused blocks if they are not part of the blocks to consider.
17680 Added additional null check.
17681 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17682 be able to clean out basic block when not necessary
17683 * df.h (df_free_bb_function): Ditto.
17684 (df_bb_refs_delete): New function.
17685 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17686 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17687 basic block parameter to be able to clean out basic block when not
17689 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17690 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17691 Fixed to properly delete information if df is unused before
17694 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17696 PR rtl-optimization/25799
17697 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17698 Corrected confluence operator to remove bits from op2 before oring
17699 with op1 rather than removing bits from op1.
17700 (df_ru_transfer_function): Corrected test on wrong bitmap which
17701 caused infinite loop. Both of these problems were introduced in
17702 the dataflow rewrite.
17704 2006-01-19 DJ Delorie <dj@redhat.com>
17706 * reload1.c (find_reload_regs): Note the details of reload
17707 failures in the dump file.
17708 (spill_failure): Likewise.
17710 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17712 * loop-iv.c: Include df.h and hashtab.h.
17713 (enum iv_grd_result): New enum.
17714 (DF_REF_IV, DF_REF_IV_SET): New macros.
17715 (struct biv_entry): New.
17716 (df, bivs): New global variables.
17717 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17718 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17720 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17721 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17722 analyzed_for_bivness_p, record_biv): New functions.
17723 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17724 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17725 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17727 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17729 (iv_number_of_iterations): Use new interface to iv analysis.
17730 * loop-unroll.c: Do not include varray.h.
17731 (analyze_iv_to_split_insn): Use new interface to iv
17733 * loop-unswitch.c (may_unswitch_on): Ditto.
17734 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17736 (df_bb_modify): Realloc tables to the new index.
17737 (df_find_use): New function.
17738 * df.h (df_find_use): Declare.
17739 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17741 * cfgloop.h (struct rtx_iv): Remove analysed field.
17742 (iv_get_reaching_def): Removed.
17743 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17744 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17745 (loop-iv.o): Add df.h and hashtab.h dependency.
17746 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17748 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17751 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17753 (__floatundisf, __floatundidf): Likewise.
17754 * libgcc2.h (IS_IBM_EXTENDED): Define.
17756 2006-01-19 DJ Delorie <dj@redhat.com>
17758 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17760 2006-01-19 Paul Brook <paul@codesourcery.com>
17762 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17763 as nothrow when unwinding tables are disabled.
17765 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17768 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17769 of bit-field" when in system header.
17771 2006-01-19 DJ Delorie <dj@redhat.com>
17773 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17774 the 16 bit shift limit of the m16c.
17776 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17779 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17780 * config/i386/i386.c (output_set_got): Output the label if we have one
17781 for the TARGET_DEEP_BRANCH_PREDICTION case.
17783 2006-01-19 Jan Hubicka <jh@suse.cz>
17784 H.J. Lu <hongjiu.lu@intel.com>
17785 Evandro Menezes <evandro.menezes@amd.com>
17787 * invoke.texi (generic): Document
17789 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17790 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17791 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17792 (x86_use_incdec, x86_pad_returns): New variables
17793 (TARGET_CPU_DEFAULT_generic): New constant
17794 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17795 (enum processor_type): Add generic32 and generic64.
17796 * i386.md (cpu attribute): Add generic32/generic64
17797 (movhi splitter): Behave sanely when both partial_reg_dependency and
17798 partial_reg_stall are set.
17799 (K8 splitters): Enable for generic as well.
17800 * predicates.md (incdec_operand): Use TARGET_INCDEC
17801 (aligned_operand): Avoid memory mismatch stalls.
17802 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17803 * ppro.md: Enable for generic32
17804 * i386.c (generic64_cost, generic32_cost): New.
17805 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17806 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17807 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17808 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17809 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17810 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17811 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17812 x86_accumulate_outgoing_args, x86_prologue_using_move,
17813 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17814 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17815 Enable for generic.
17816 (x86_use_incdec, x86_pad_returns): New.
17817 (override_options): Add generic32 and generic64, translate "generic"
17818 to generic32/generic64 and "i686" to "generic32", refuse
17819 "generic32"/"generic64" as arch target.
17820 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17821 (ix86_reorg): Honor PAD_RETURNS.
17823 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17825 * tree-pretty-print.c (dump_generic_node): Handle
17826 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17827 * cgraph.c (cgraph_expand_queue): Rename from
17828 cgraph_analyze_queue. Update all users.
17829 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17830 cgraph_expand_queue.
17831 (cgraph_expand_all_functions): Likewise.
17832 (cgraph_finalize_pending_functions): Remove. Update callers.
17834 * tree.h (OMP_DIRECTIVE_P): Define.
17835 (OMP_PARALLEL_FN): Define.
17836 (OMP_PARALLEL_DATA_ARG): Define.
17837 (OMP_SECTIONS_SECTIONS): Define.
17838 * tree-pass.h (pass_expand_omp): Declare.
17839 * omp-low.c (struct omp_region): Declare.
17840 (struct omp_context): Remove fields 'parallel_type',
17841 'parallel_start_ix' and 'parallel_start_additional_args'.
17843 (struct omp_for_data): Rename from struct expand_omp_for_data.
17844 (omp_regions): New static variable.
17845 (root_omp_region): New static variable.
17846 (find_omp_clause): Make static.
17847 (is_in_combined_parallel_ctx): Remove.
17848 (is_combined_parallel): New.
17849 (extract_omp_for_data): Move earlier in the file.
17850 (workshare_safe_to_combine_p): New.
17851 (get_ws_args_for): New.
17852 (determine_parallel_type): Move earlier in the file.
17853 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17855 (omp_copy_decl): Likewise.
17856 (create_omp_child_function): Likewise.
17857 (lookup_omp_region): New.
17858 (dump_omp_region): New.
17859 (debug_omp_region): New.
17860 (debug_all_omp_regions): New.
17861 (new_omp_region): New.
17862 (scan_omp_parallel): If parallel_nesting_level > 1, the
17863 directive is nested within another parallel directive.
17864 Set OMP_PARALLEL_FN.
17865 (scan_omp_for): Do not try to handle combined parallel+for
17867 Remove FIXME comment.
17868 (scan_omp_nested): Remove.
17869 (scan_omp_1): Do not call scan_omp_nested when
17870 parallel_nesting_level is > 1.
17871 Do not change the DECL_CONTEXT of local variables found.
17872 (lookup_decl_in_outer_ctx): New.
17873 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17874 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17875 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17876 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17877 If CTX is nested, lookup VAR in the outer context when
17878 building copy assignment.
17879 (lower_send_clauses): Rename from expand_send_clauses.
17880 If CTX is nested, lookup VAR in the outer context when
17881 building copy assignments.
17882 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17883 If CTX is nested, lookup VAR in the outer context when
17884 building copy assignments.
17885 (expand_parallel_call): Rename from build_parallel_call.
17886 Handle combined parallel+workshare cases.
17887 Re-implement to emit code into the CFG.
17889 (expand_omp_parallel): Re-implement to emit code into the CFG.
17890 Call move_sese_region_to_fn to outline the sub-graph
17891 containing the parallel region.
17892 (expand_omp_for_1): Remove.
17893 (expand_omp_for_generic): Re-implement to emit code into the
17895 (expand_omp_for_static_nochunk): Likewise.
17896 (expand_omp_for_static_chunk): Likewise.
17897 (expand_omp_for): Likewise.
17898 (expand_omp_sections): Likewise.
17899 (remove_exit_barriers): New.
17900 (expand_omp_synch): New.
17902 (build_omp_regions_1): New.
17903 (build_omp_regions): New.
17904 (execute_expand_omp): New.
17905 (gate_expand_omp): New.
17906 (pass_expand_omp): Define.
17907 (lower_omp_sections): Rename from expand_omp_sections.
17908 Set OMP_SECTIONS_SECTIONS.
17909 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17910 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17911 (lower_omp_single): Rename from expand_omp_simple.
17912 (lower_omp_master): Rename from expand_omp_master.
17913 (lower_omp_ordered): Rename from expand_omp_ordered.
17914 (lower_omp_critical): Rename from expand_omp_critical.
17915 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17916 (lower_omp_for): Re-implement.
17917 (lower_omp_parallel): Re-implement.
17918 (lower_regimplify): Rename from expand_regimplify.
17919 (lower_omp_1): Rename from expand_omp_1.
17920 If there are syntax errors in the program, replace every
17921 OpenMP directive with NOP.
17922 Call lower_omp_* instead of expand_omp_*.
17923 (lower_omp): Rename from expand_omp.
17925 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17926 * tree-gimple.h (enum omp_parallel_type): Remove.
17927 (gimple_boolify): Declare extern.
17928 (find_omp_clause, determine_parallel_type): Remove.
17930 * gimple-low.c (lower_omp_directive): New.
17931 (lower_stmt): Call it.
17932 (record_vars_into): Move from ...
17933 (record_vars): ... here.
17934 Call record_vars_into with current_function_decl.
17936 * gimplify.c (struct gimplify_ctx): Remove fields
17937 combined_pre_p and combined_ctxp. Update users.
17938 (get_formal_tmp_var): Add documentation.
17939 (gimple_boolify): Make extern.
17940 (gimplify_expr_in_ctx): Remove. Update callers.
17941 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17942 will always be a BIND_EXPR.
17943 (gimplify_expr): Handle OMP_RETURN_EXPR.
17944 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17945 (OMP_PARALLEL): Add 3 operands.
17946 (OMP_SECTIONS): Add 1 operand.
17947 (OMP_RETURN_EXPR): Define.
17949 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17950 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17951 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17952 creating a circular free list.
17953 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17955 * tree-flow.h (move_sese_region_to_fn): Declare.
17956 (record_vars_into): Declare.
17957 * tree-cfg.c (make_omp_sections_edges): New.
17958 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17959 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17960 OMP_SECTIONS and OMP_SECTION.
17961 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17962 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17963 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17964 (gather_blocks_in_sese_region): New.
17965 (struct move_stmt_d): Declare.
17966 (move_stmt_r): New.
17967 (move_block_to_fn): New.
17968 (move_sese_region_to_fn): New.
17970 * passes.c (init_optimization_passes): Schedule
17971 pass_expand_omp after pass_init_datastructures.
17973 * tree-ssa-operands.c (get_expr_operands): Handle
17974 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17975 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17977 2006-01-19 Jeff Law <law@redhat.com>
17979 * tree-vrp.c (extract_range_from_assert): Refine the result range
17980 if the variable referenced by the ASSERT_EXPR has a range and
17981 either the tentative result range or the previous range is a
17984 2006-01-19 Richard Sandiford <richard@codesourcery.com>
17986 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
17988 2006-01-19 Jan Hubicka <jh@suse.cz>
17990 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
17992 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
17994 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
17995 (expand_compound_operation, expand_field_assignment): Fail if the
17996 bit lengths of an extract operation are out of range.
17997 (make_extraction): Compute wanted_inner_mode based on the position
17998 and length of the extraction. Make it extraction_mode for non-constant
17999 positions, and do not modify offset in that case. When generating a
18000 new MEM, use a mode that can hold the extraction while keeping correct
18001 alignment. Remove code that supported MEMs wrapped by USEs.
18002 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18004 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18006 * config/s390/s390.md ("Y", "y"): New mode attribute.
18007 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18008 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18009 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18010 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18011 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18012 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18013 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18014 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18015 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18016 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18017 "addsi3", "subsi3"): Insn patterns removed.
18018 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18019 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18020 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18021 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18022 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18023 "*sub<mode>3_cconly2"): New insn patterns.
18024 ("addsi3", "subsi3"): New expanders.
18026 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18028 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18029 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18030 existing STMT_VINFO_VECTYPE if available.
18031 (vect_mark_relevant): Add special handling for stmts that are
18032 marked as STMT_VINFO_IN_PATTERN_P.
18033 (vect_analyze_loop): Call vect_pattern_recog.
18034 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18035 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18037 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18038 (vect_recog_func_ptr): New function-pointer type.
18039 * tree-vect-patterns.c: New file.
18040 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18041 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18042 (vect_pattern_recog_1): New functions.
18043 (vect_pattern_recog_funcs): New array of function pointers.
18045 * tree-vectorizer.h (ternary_op): New enum value.
18046 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18047 declaration. Revised documentation. Removed redundant dump prints.
18048 Removed redundant argument. Added support for reduction patterns.
18049 (vectorizable_reduction): Added support for reduction patterns.
18050 (vect_transform_stmt): Added support for patterns.
18052 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18053 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18054 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18055 (expand_widen_pattern_expr): New function.
18056 (init_optabs): Initialize new optabs udot_prod_optab,
18058 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18059 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18060 (expand_widen_pattern_expr): New function declaration.
18061 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18063 * tree-inline.c (estimate_num_insns_1): Added cases for new
18064 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18065 * tree-pretty-print.c (dump_generic_node): Likewise.
18066 (op_prio): Likewise.
18067 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18068 * tree-ssa-operands.c (get_expr_operands): Added case for
18070 * tree-vect-patterns.c (widened_name_p): New function.
18071 (vect_recog_dot_prod_pattern): Added function implementation.
18072 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18073 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18074 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18075 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18077 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18078 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18079 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18080 (init_optabs): Initialize new optabs widen_ssum_optab,
18082 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18083 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18084 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18085 use instead of type of def.
18086 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18087 function implementation.
18088 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18089 widen_ssumv8hi): New.
18091 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18094 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18097 * c-decl.c (add_flexible_array_elts_to_size): New function.
18098 (finish_decl): Use it.
18100 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18102 * diagnostic.h: Include options.h.
18103 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18104 dependancies for diagnostic.h.
18105 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18107 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18109 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18110 (ssa_ro_call_cache_valid): Ditto.
18111 * tree-ssa-alias.c (sort_tags_by_id): New function.
18112 (init_transitive_clobber_worklist): Ditto.
18113 (add_to_worklist): Ditto.
18114 (mark_aliases_call_clobbered): Ditto.
18115 (compute_tag_properties): Ditto.
18116 (set_initial_properties): Ditto.
18117 (compute_call_clobbered): Ditto.
18118 (compute_may_aliases): Call compute_call_clobbered and grouping.
18119 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18120 (compute_flow_insensitive_aliasing): Grouping now happens in our
18122 (setup_pointers_and_addressables): Remove clobbering related code.
18123 (add_may_alias): Ditto.
18124 (replace_may_alias): Ditto.
18125 (get_nmt_for): Ditto.
18126 (create_global_var):
18127 (is_escape_site): Return an escape_type enumeration.
18128 * tree-flow-inline.h (is_call_clobbered): Global var does not
18129 imply call clobbered.
18130 (mark_call_clobbered): Take a reason for marking this. Remove
18131 marking of globalness, and cache invalidation.
18132 (clear_call_clobbered): Remove cache invalidation code.
18133 * tree-dfa.c (dump_variable): If details is on, dump the reason
18135 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18137 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18138 (struct var_ann_d): Ditto.
18139 (enum escape_type): New.
18140 (mark_call_clobbered): Adjust prototype.
18141 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18142 are never call clobbered.
18143 Record reasons for escaping.
18144 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18145 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18146 (ssa_ro_call_cache_valid): Ditto.
18147 (clobbered_v_may_defs): Ditto.
18148 (clobbered_vuses): Ditto.
18149 (ro_call_vuses): Ditto.
18150 (clobber_stats): New.
18151 (init_ssa_operands): Zero out clobber stats.
18152 (fini_ssa_operands): Print out clobber stats.
18153 (get_call_expr_operands): Pass callee fndecl to
18154 add_call_read_ops).
18155 (add_call_clobber_ops): Remove use of cache.
18156 Add use of PURE_CONST information.
18157 (add_call_read_ops): Remove use of cache.
18158 Add use of static not_read information.
18160 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18162 Introduce TLS descriptors for i386 and x86_64.
18163 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18164 (TARGET_ANY_GNU_TLS): New macro.
18165 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18166 (struct machine_function): Add tls_descriptor_call_expanded_p.
18167 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18168 (ix86_current_function_calls_tls_descriptor): Likewise.
18169 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18170 (override_options): Introduce gnu2 tls dialect.
18171 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18173 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18175 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18176 (ix86_init_machine_status): Initialize new field.
18177 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18178 (ix86_tls_module_base): New.
18179 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18180 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18181 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18182 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18183 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18184 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18185 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18186 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18187 * config/i386/predicates.md (tls_modbase_operand): New.
18188 (tp_or_register_operand): New.
18190 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18192 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18193 (look_for_address_of): Ditto.
18194 (ipa_init): Walk the function decls.
18195 (static_execute): Don't set readonly on FUNCTION_DECL's.
18197 2006-01-18 Roger Sayle <roger@eyesopen.com>
18199 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18200 for shifts where the source and destination registers are different.
18202 2006-01-18 Paul Brook <paul@codesourcery.com>
18204 Merge from csl-arm-branch.
18205 2005-03-14 Julian Brown <julian@codesourcery.com>
18206 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18207 (aeabi_llsl): Likewise.
18208 (ashrdi3): Likewise.
18209 (aeabi_lasr): Likewise.
18210 (lshrdi3): Likewise.
18211 (aeabi_llsr): Likewise.
18212 2005-03-10 Julian Brown <julian@codesourcery.com>
18213 * config.gcc: Disable shared libgcc for SymbianOS.
18214 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18216 2006-01-18 DJ Delorie <dj@redhat.com>
18218 * c-pragma.c (handle_pragma_diagnostic): New.
18219 (init_pragma): Register it.
18220 * doc/extend.texi: Document it.
18222 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18223 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18224 (diagnostic_context): Add classify_diagnostic[].
18225 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18226 as errors if they're overridden to DK_WARNING.
18227 (diagnostic_initialize): Initialize classify_diagnostic[].
18228 (diagnostic_set_kind_override): New.
18229 (diagnostic_report_diagnostic): Check for kind changes.
18230 * opts.c (common_handle_option): Take lang_mask. Update callers.
18231 Handle OPT_Werror_.
18232 * common.opt (Werror=): New.
18233 * doc/invoke.texi: Document -Werror=*
18235 2006-01-18 Jeff Law <law@redhat.com>
18237 * tree-vrp.c (test_for_singularity): Correct test for new
18238 min limit. Use operand_equal_p rather than pointer equality
18239 for testing if new min/max values are equal.
18241 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18242 using range information until after propagation and folding.
18244 2006-01-18 Richard Henderson <rth@redhat.com>
18245 Aldy Hernandez <aldyh@redhat.com>
18246 Jakub Jelinek <jakub@redhat.com>
18247 Diego Novillo <dnovillo@redhat.com>
18249 * omp-low.c: New file.
18250 * c-omp.c: New file.
18252 2006-01-18 Richard Henderson <rth@redhat.com>
18253 Jakub Jelinek <jakub@redhat.com>
18254 Diego Novillo <dnovillo@redhat.com>
18256 * doc/invoke.texi: Document -fopenmp.
18257 * tree-dump.h (debug_function): Declare.
18258 * hooks.c (hook_bool_tree_bool_false): New function.
18259 (hook_tree_tree_null): Remove.
18260 (hook_tree_tree_tree_null): New.
18261 * hooks.h: Update to match.
18262 * tree-pretty-print.c (debug_tree_chain): New.
18263 (print_generic_expr): Handle TDF_CHAIN.
18264 (dump_generic_node): Handle BLOCK.
18265 Do not abort with incomplete SWITCH_EXPRs.
18266 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18267 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18268 print space after directive name.
18269 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18270 Handle OMP_MASTER and OMP_ORDERED.
18271 Handle printing of OMP_BODY just in one place, goto
18272 dump_omp_body in the rest of OMP_* nodes that have
18274 Don't handle clause nodes here. Update omp statements to
18275 use dump_omp_clauses.
18276 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18277 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18278 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18279 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18280 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18281 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18282 Adjust output for GOMP_PARALLEL.
18283 (dump_omp_clauses): New.
18284 (print_declaration): Dump DECL_VALUE_EXPR.
18285 (op_symbol_1): Split out of op_symbol.
18286 (dumping_stmts): Remove. Update all users.
18287 * cgraph.c (cgraph_analyze_queue): New.
18288 (cgraph_add_new_function): New.
18289 * cgraph.h (cgraph_analyze_queue): Declare.
18290 (cgraph_add_new_function): Declare.
18291 (cgraph_lower_function): Remove.
18292 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18293 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18294 and TYPE_P nodes in its default clause.
18295 (empty_body_p): New.
18296 (tree_range_check_failed): New.
18297 (build5_stat): New.
18298 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18299 OMP_CLAUSE_REDUCTION_MERGE,
18300 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18301 OMP_CLAUSE_PRIVATE_DEBUG,
18302 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18303 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18304 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18305 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18306 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18307 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18308 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18309 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18310 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18311 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18312 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18313 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18314 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18315 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18316 (TREE_RANGE_CHECK): New.
18317 (empty_body_p): Declare.
18318 (enum omp_clause_default_kind): New.
18319 (build_string_literal): Declare.
18320 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18321 (build5_stat, build5): Declare.
18322 * tree-pass.h (TDF_CHAIN): Define.
18323 * tree-pass.h (PROP_gimple_lomp): Define.
18324 (pass_lower_omp): Declare.
18325 * diagnostic.h (debug_tree_chain): Declare.
18326 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18328 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18329 * builtins.c (build_string_literal): Make extern.
18330 * gcc.c (include_spec_function): New.
18331 (static_spec_functions): Add it.
18332 (main): Move load of libgomp.spec ...
18333 (LINK_COMMAND_SPEC): ... here.
18334 (link_gomp_spec): New.
18335 (static_specs): Include it.
18336 (LINK_COMMAND_SPEC): Add link_gomp.
18337 (GOMP_SELF_SPECS): New.
18338 (driver_self_specs): Include it.
18339 (switch_matches): Don't mark inline.
18340 (main): Load libgomp.spec.
18341 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18342 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18343 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18344 * tree-gimple.h (enum omp_parallel): Declare.
18345 (determine_parallel_type): Declare.
18346 (omp_firstprivatize_variable): Declare.
18347 (omp_reduction_init): Declare.
18348 (diagnose_omp_structured_block_errors): Declare.
18349 (struct walk_stmt_info): Add want_return_expr.
18350 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18351 (find_omp_clause): Declare.
18352 (insert_field_into_struct): Declare.
18353 (struct walk_stmt_info): Move from tree-nested.c
18354 (walk_stmts): Declare.
18355 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18357 * cgraphunit.c (cgraph_lower_function): Make static.
18358 (cgraph_finalize_pending_functions): New.
18359 (cgraph_finalize_function): Call it.
18360 (cgraph_finalize_compilation_unit): Likewise.
18361 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18362 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18363 (BT_FN_UINT_UINT): New.
18364 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18365 DEF_FUNCTION_TYPE_VAR_4): Document.
18366 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18367 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18368 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18369 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18370 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18371 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18372 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18373 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18374 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18375 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18376 into separate files.
18377 (DEF_GOMP_BUILTIN): New.
18378 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18379 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18380 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18381 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18382 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18383 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18384 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18385 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18386 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18387 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18388 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18389 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18390 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18391 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18392 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18393 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18394 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18395 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18396 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18397 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18398 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18399 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18400 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18401 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18402 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18403 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18404 * sync-builtins.def: New file, moved from builtins.def.
18405 * omp-builtins.def: New file, moved from builtins.def.
18406 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18407 * gimple-low.c (lower_function_body): Clear data.
18408 (lower_stmt): Do not handle COMPOUND_EXPR.
18409 Remove call to print_node_brief.
18410 * c-tree.h (c_finish_omp_clauses): New prototype.
18411 (C_DECL_THREADPRIVATE_P): Define.
18412 (lookup_name_no_remap, c_omp_remap_private): Remove
18413 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18414 (check_for_loop_decls): Update decl.
18415 (lookup_name_no_remap, c_omp_remap_private): Declare.
18416 (build_indirect_ref, build_modify_expr, pushdecl,
18417 pushdecl_top_level): Move to c-common.h.
18418 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18419 before the switch, but just in the 2 places that need it.
18420 * c-decl.c (diagnose_mismatched_decls): Do not check for
18421 mismatched thread-local attributes when OLDDECL is marked
18422 threadprivate and NEWDECL has no thread-local attributes.
18423 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18424 (c_gimple_diagnostics_recursively): Rename from
18425 c_warn_unused_result_recursively. Invoke
18426 diagnose_omp_structured_block_errors.
18427 (check_for_loop_decls): Return a singular decl found.
18428 * langhooks.c (lhd_omp_predetermined_sharing): Return
18429 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18430 (lhd_omp_firstprivatize_type_sizes): New.
18431 (lhd_omp_assignment): New.
18432 (lhd_omp_predetermined_sharing): New.
18433 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18434 (struct lang_hooks_for_types): Add
18435 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18436 omp_predetermined_sharing, omp_disregard_value_expr,
18437 omp_private_debug_clause, omp_clause_default_ctor,
18438 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18439 (c_finish_omp_clauses): New.
18440 (c_finish_bc_stmt): Diagnose break within omp for.
18441 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18442 (build_unary_op): Return error_mark after reporting
18444 (build_modify_expr): Likewise.
18445 * gimplify.c: Include optabs.h and pointer-set.h.
18446 (enum gimplify_omp_var_data): Declare.
18447 (struct gimplify_omp_ctx): Declare.
18448 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18450 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18451 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18452 (splay_tree_compare_decl_uid): New.
18453 (new_omp_context): New.
18454 (delete_omp_context): New.
18455 (gimple_add_tmp_var): Call omp_add_variable.
18456 (gimplify_bind_expr): Likewise.
18457 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18458 true, disregard DECL_VALUE_EXPR on the decl if any.
18459 (gimplify_expr_in_ctx): New.
18460 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18461 omp_add_variable, omp_notice_variable, omp_is_private
18462 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18463 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18464 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18465 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18466 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18467 gimplify_omp_atomic): New.
18468 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18469 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18470 OMP_CRITICAL and OMP_ATOMIC.
18471 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18472 * c-pragma.h (enum pragma_kind): Add
18473 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18474 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18475 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18476 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18477 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18478 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18479 PRAGMA_OMP_THREADPRIVATE.
18480 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18481 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18482 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18483 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18484 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18485 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18486 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18487 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18488 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18489 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18490 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18491 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18492 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18494 (struct nesting_info): Add field_map,
18495 suppress_expansion, debug_var_chain.
18496 (create_nesting_tree): Initialize them.
18497 (lookup_field_for_decl): Use field_map.
18498 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18499 (convert_local_omp_clauses): New.
18500 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18501 (walk_body): Split out of walk_function.
18502 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18503 (convert_nonlocal_reference): Handle omp statements.
18504 (convert_local_reference): Likewise.
18505 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18506 (unnest_nesting_tree): New.
18507 (lower_nested_functions): Call it.
18508 (insert_field_into_struct): Make extern.
18509 (struct walk_stmt_info): Move to tree-gimple.h.
18510 (walk_stmts): Make extern.
18511 * omp-builtins.def: New file.
18512 * tree-iterator.c (expr_only): Clarify comment.
18513 * c-common.h (pushdecl_top_level, pushdecl,
18514 build_modify_expr, build_indirect_ref,
18515 c_finish_omp_master, c_finish_omp_critical,
18516 c_finish_omp_ordered, c_finish_omp_barrier,
18517 c_finish_omp_atomic, c_finish_omp_flush,
18518 c_finish_omp_for, c_split_parallel_clauses,
18519 omp_clause_default_kind, c_omp_sharing_predetermined,
18520 c_omp_remap_decl): Declare.
18521 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18522 (OBJS-common): Add omp-low.o.
18523 (c-omp.o, omp-low.o): Add.
18524 (gimplify.o): Add dependency on $(OPTABS_H).
18525 (GTFILES): Add omp-low.c.
18526 (gt-stringpool.h): Add.
18527 * tree-cfg.c (set_bb_for_stmt): Do not update the
18528 block-to-labels map if we are currently expanding to RTL.
18529 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18531 Handle IDENTIFIER_NODE.
18532 (tree_verify_flow_info): Do not ICE when emitting error
18533 messages about invalid labels.
18534 (dump_function_to_file): Reset CFUN before emitting the body
18536 (debug_function): New.
18537 * passes.c (init_optimization_passes): Schedule
18539 * langhooks-def.h (lhd_omp_predetermined_sharing,
18540 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18542 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18543 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18544 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18545 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18546 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18547 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18548 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18549 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18550 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18551 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18552 (LANG_HOOK_DECLS): Use them.
18554 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18555 Richard Henderson <rth@redhat.com>
18556 Jakub Jelinek <jakub@redhat.com>
18557 Diego Novillo <dnovillo@redhat.com>
18559 * c-parser.c (pragma_omp_clause): Define.
18560 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18561 (c_parser_compound_statement): Likewise.
18562 (c_parser_statement): Likewise.
18563 (c_parser_pragma): Handle omp pragmas.
18564 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18565 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18566 (c_parser_omp_clause_name, check_no_duplicate_clause,
18567 c_parser_omp_variable_list,
18568 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18569 c_parser_omp_clause_copyprivate,
18570 c_parser_omp_clause_default,
18571 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18572 c_parser_omp_clause_lastprivate,
18573 c_parser_omp_clause_nowait,
18574 c_parser_omp_clause_num_threads,
18575 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18576 c_parser_omp_clause_reduction,
18577 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18578 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18579 c_parser_omp_atomic, c_parser_omp_barrier,
18580 c_parser_omp_critical, c_parser_omp_flush,
18581 c_parser_omp_for_loop, c_parser_omp_for,
18582 c_parser_omp_master, c_parser_omp_ordered,
18583 c_parser_omp_sections_scope, c_parser_omp_sections,
18584 c_parser_omp_parallel, c_parser_omp_single,
18585 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18586 * c-pragma.c (init_pragma): Do omp pragma registration here.
18587 * c.opt (fopenmp): New flag.
18589 2006-01-18 Eric Christopher <echristo@apple.com>
18591 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18592 * config/darwin.h (GOMP_SELF_SPECS): Define.
18594 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18596 * rtl.h: Remove the prototype for reg_alloc.
18598 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18601 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18602 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18603 sjlj and dwarf2 exception handling.
18604 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18605 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18606 * pa/pa.c (function_value): Treat complex and vector types as
18608 (function_arg): Likewise. Only pass scalar floats in the floating
18609 point argument registers.
18610 * pa/t-slibgcc-dwarf-ver: New file.
18611 * pa/t-slibgcc-sjlj-ver: New file.
18612 * pa/t-slibgcc-elf-ver: Delete file.
18614 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18616 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18617 unlikely_test_section_p test.
18619 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18621 * mode-switching.c (optimize_mode_switching): Make it static.
18622 * basic-block.h: Remove the prototype for
18623 optimize_mode_switching.
18625 * modulo-sched.c (sms_schedule): Make it static.
18626 * rtl.h: Remove the prototype for sms_schedule.
18628 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18629 * rtl.h: Remove the prototype for gcse_after_reload_main.
18631 * reg-stack.c (reg_to_stack): Make it static.
18632 * rtl.h: Remove the prototype for reg_to_stack.
18634 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18636 * rtl.h: Remove the prototypes for regrename_optimize and
18637 copyprop_hardreg_forward.
18639 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18641 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18642 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18643 Test against the appropriate null constant for the mode.
18644 If 'fixup_overlap' is true, swap the operands if they overlap.
18645 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18646 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18647 alpha_split_tmode_pair and adjust for above change.
18648 * config/alpha/alpha.md (movtf_internal): Adjust call to
18649 alpha_split_tfmode_pair and rely on it to swap the operands.
18650 (movti_internal): New insn and post-reload splitter.
18651 (movti): New expander.
18653 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18655 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18658 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18660 * rtlanal.c (global_reg_mentioned_p_1,
18661 global_reg_mentioned_p): Remove.
18662 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18664 * flow.c (initialize_uninitialized_subregs): Make it static.
18665 * rtl.h: Remove the prototype for
18666 initialize_uninitialized_subregs.
18668 * function.c (instantiate_virtual_regs): Make it static.
18669 * function.h: Remove the prototype for
18670 instantiate_virtual_regs.
18672 * regmove.c (regmove_optimize, combine_stack_adjustments):
18674 * rtl.h: Remove the prototypes for regmove_optimize and
18675 combine_stack_adjustments.
18677 2006-01-17 Roger Sayle <roger@eyesopen.com>
18679 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18680 (size_cost): Encode costs in bytes so that a reg-reg addition is
18681 equivalent to COSTS_N_INSNS(1).
18682 (override_options): Use the size_cost.branch_cost as the default
18683 ix86_branch_cost when optimizing for size.
18685 2006-01-18 Ben Elliston <bje@au.ibm.com>
18687 * Makefile.in (D32PBIT_FUNCS): New.
18688 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18689 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18690 D64PBIT_FUNCS and D128PBIT_FUNCS.
18691 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18692 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18694 (decnumber_dep): Define.
18695 * doc/libgcc.texi (Decimal float library routines): New node.
18696 * config/dfp-bit.h, config/dfp-bit.c: New files.
18698 2006-01-18 Ben Elliston <bje@au.ibm.com>
18700 * expr.c (emit_move_change_mode): Always adjust addresses, not
18701 just during reload. Copy replacements only during reload.
18702 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18703 emit_move_via_integer.
18705 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18707 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18708 instead of $(srcdir) and ${srcdir}.
18710 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18713 PR middle-end/11135
18714 * arm.h (struct machine_function): Add pic_reg.
18715 * arm.c (arm_pic_register): Make unsigned.
18716 (arm_override_options): Only set arm_pic_register if
18717 TARGET_SINGLE_PIC_BASE.
18718 (use_return_insn): Only test for a pic register if it is fixed.
18719 (arm_compute_save_reg0_reg12_mask): Likewise.
18720 (thumb_compute_save_reg_mask): Likewise.
18721 (legitimate_pic_operand): Factor out some known invariants.
18722 (legitimize_pic_address): If we don't have a fixed pic register,
18723 then set up a pseudo in the function entry sequence. Handle the
18724 pic base being in a pseudo.
18725 (arm_load_pic_register): Handle the pic register being in a pseudo.
18726 (arm_expand_prologue): Only set up the pic register if it is fixed.
18727 (thumb_expand_prologue): Likewise.
18728 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18729 (pic_load_addr_based_insn): Likewise.
18730 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18733 2006-01-18 Ben Elliston <bje@au.ibm.com>
18735 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18736 decimal float modes for all floating point registers.
18738 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18739 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18741 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18744 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18745 even when the pointer is not NULL.
18747 2006-01-16 Ian Lance Taylor <ian@airs.com>
18749 * common.opt (ftoplevel-reorder): New option.
18750 * cgraph.c (cgraph_asm_nodes): New global variable.
18751 (cgraph_asm_last_node): New static variable.
18752 (cgraph_order): New global variable.
18753 (cgraph_create_node): Set new order field.
18754 (cgraph_varpool_node): Likewise.
18755 (decide_is_variable_needed): Return true if not
18756 flag_toplevel_reorder.
18757 (cgraph_add_asm_node): New function.
18758 * cgraph.h (struct cgraph_node): Add order field.
18759 (struct cgraph_varpool_node): Add order field.
18760 (struct cgraph_asm_node): Define.
18761 (cgraph_asm_nodes, cgraph_order): Declare.
18762 (cgraph_add_asm_node): Declare.
18763 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18765 (cgraph_varpool_assemble_pending_decls): Call it.
18766 (cgraph_output_pending_asms): New static function.
18767 (cgraph_finalize_compilation_unit): Call it.
18768 (struct cgraph_order_sort): Define.
18769 (cgraph_output_in_order): New static function.
18770 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18771 !flag_toplevel_reorder case.
18772 * c-parser.c: Include "cgraph.h".
18773 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18775 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18776 than -fno-unit-at-a-time.
18777 * doc/invoke.texi (Option Summary): Mention
18778 -fno-toplevel-reorder.
18779 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18780 -funit-at-a-time documentation.
18782 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18783 Kazu Hirata <kazu@codesourcery.com>
18785 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18787 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18789 * Makefile.in (FUNCTION_H): New. Use it instead of
18790 function.h throughout the file.
18791 * function.h: Include tree.h.
18793 2006-01-17 Ben Elliston <bje@au.ibm.com>
18795 * recog.c: Separate some functions with whitespace.
18797 2006-01-16 Richard Henderson <rth@redhat.com>
18799 Merge from gomp branch:
18800 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18801 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18802 and rename from struct inline_data. Rename callee* to dst*;
18803 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18804 transform_new_cfg, transform_return_to_modify, and
18805 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18807 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18808 (copy_decl_for_dup): Remove.
18809 * tree-inline.c (struct inline_data): Move to header.
18810 (insert_decl_map): Export.
18811 (remap_decl): Update for member name changes. Use copy_decl hook.
18812 Allow for replacement to be a non-decl. Remove dead code.
18813 (remap_type_1): Check for existing mapping.
18814 (remap_type): Export.
18815 (remap_decls): Update for member name changes.
18816 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18817 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18818 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18819 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18820 (tree_function_versioning, build_duplicate_type): Likewise.
18821 (copy_body_r): Likewise. Export.
18822 (copy_decl_for_dup): Split into ...
18823 (copy_decl_for_dup_finish, copy_decl_to_var,
18824 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18825 (replace_ref_tree, inlining_p): Remove.
18827 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18829 * ifcvt.c (if_convert): Make it static.
18830 * rtl.h: Remove the prototype for if_convert.
18832 * local-alloc.c (local_alloc): Make it static.
18833 * rtl.h: Remove the prototype for local_alloc.
18835 * loop.c (loop_optimize): Make it static.
18836 * cfgloop.h: Remove the prototype for loop_optimize.
18839 2006-01-16 DJ Delorie <dj@redhat.com>
18841 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18844 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18846 * pa.md: Disparage copies between general and floating-point registers
18847 in 32-bit move patterns.
18849 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18852 * Makefile.in (check-%): Depend on site.exp instead of
18853 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18856 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18858 * global.c (global_alloc): Make it static.
18859 * rtl.h: Remove the prototype for global_alloc.
18861 2006-01-16 Richard Guenther <rguenther@suse.de>
18863 * tree-ssa-alias.c (struct used_part): Add write_only field.
18864 (get_or_create_used_part_for): Initialize it to true.
18865 (create_overlap_variables_for): Don't create structure variables
18866 for structures that only are written to.
18867 (find_used_portions): Handle MODIFY_EXPR to track whether a
18868 structure is only written to.
18870 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18872 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18874 * basic-block.h: Remove the prototype for
18875 partition_hot_cold_basic_blocks.
18877 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18879 * cppspec.c (lang_specific_spec_functions): Remove.
18880 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18881 * gcc.h (lang_specific_spec_functions): Remove.
18882 * gccspec.c (lang_specific_spec_functions): Remove.
18884 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18886 * combine.c (record_value_for_reg): Invalidate registers
18888 (record_dead_and_set_regs_1): Likewise, by passing them to
18889 record_value_for_reg.
18890 (record_dead_and_set_regs): Invalidate stores made by a
18891 call. We do not combine across a call, but we still
18892 relied on equivalences.
18894 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18896 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18897 vrp_int_const_binop returning non-constant nodes.
18899 2006-01-16 Paul Brook <paul@codesourcery.com>
18901 * config/m68k/m68k.c (output_move_const_into_data_reg):
18902 Output correct mnemonic for mvz and mvs.
18904 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18906 * rtl-factoring.c: Add sequence abstraction algorithm.
18907 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18908 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18910 (block_has_preserve_label): New function.
18911 * common.opt: Register new pass.
18912 * Makefile.in: Ditto.
18914 * timevar.def: Ditto.
18915 * tree-pass.h: Ditto.
18916 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18917 * rtl.h (make_jump_insn_raw): Add forward decl.
18918 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18920 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18921 Roger Sayle <roger@eyesopen.com>
18923 * fold-const.c (fold_minmax): New static function.
18924 (fold_binary) <MIN_EXPR>: Call it.
18925 <MAX_EXPR>: Likewise.
18926 * stor-layout.c (place_field): Use DECL_SIZE consistently
18927 in the computation of the new record size.
18929 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18931 * cse.c (cse_condition_code_reg): Make it static.
18932 * rtl.h: Remove the prototype for cse_condition_code_reg.
18934 * combine.c (combine_instructions): Make it static.
18935 * rtl.h: Remove the prototype for combine_instructions.
18937 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18940 * tree.c (get_file_function_name_long): Concatenate the first global
18941 object name with a string derived from the input filename of the object
18944 2006-01-16 Ben Elliston <bje@au.ibm.com>
18946 * config/i386/winnt-stubs.c: Update FSF address.
18947 * config/xtensa/ieee754-df.S: Ditto.
18948 * config/xtensa/ieee754-sf.S: Ditto.
18950 2006-01-14 Ian Lance Taylor <ian@airs.com>
18952 * ifcvt.c (noce_init_if_info): New static function, broken out of
18953 noce_process_if_block.
18954 (noce_process_if_block): Call noce_init_if_info.
18955 (check_cond_move_block): New static function.
18956 (cond_move_process_if_block): New static function.
18957 (process_if_block): Call cond_move_process_if_block.
18959 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18961 * cselib.c (hash_table): Rename to cselib_hash_table.
18962 (cselib_clear_table, discard_useless_values,
18963 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18964 cselib_init, cselib_finish): Adjust uses of hash_table.
18966 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18968 PR tree-optimization/25485
18969 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18970 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18971 is known to be false and true, respectively.
18973 2006-01-14 Richard Guenther <rguenther@suse.de>
18975 PR tree-optimization/22548
18976 PR tree-optimization/22555
18977 PR tree-optimization/22501
18978 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18979 * params.def (salias-max-array-elements): New parameter.
18980 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18981 * doc/invoke.texi (salias-max-array-elements): Document.
18982 * tree-flow-inline.h (var_can_have_subvars): We also handle
18984 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
18986 * tree-ssa-structalias.c (params.h): Include.
18987 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
18988 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
18989 (get_constraint_for): For ADDR_EXPR operating on something
18990 containing an ARRAY_REF, add all subvars to the solution.
18991 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
18992 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
18993 for creating MUST_DEFs.
18994 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
18996 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18998 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19000 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19001 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19002 number_of_iterations_le): New functions.
19003 (number_of_iterations_special): Removed.
19004 (number_of_iterations_exit): Do not use number_of_iterations_special.
19005 * tree.c (unsigned_type_for): Always return integer type.
19007 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19008 Richard Guenther <rguenther@suse.de>
19010 PR rtl-optimization/24257
19011 * gcse.c (find_moveable_store): Only consider a store movable
19012 when the SET_SRC of the insn can be assigned to a register.
19014 2006-01-14 Ian Lance Taylor <ian@airs.com>
19016 * tree.c (tree_not_class_check_failed): New function.
19017 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19018 (tree_not_class_check_failed): Declare.
19020 2006-01-13 Ian Lance Taylor <ian@airs.com>
19022 * reload1.c (do_output_reload): Add assertion rejecting a
19025 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19027 * combine.c (struct reg_stat): Add new fields truncation_label and
19029 (record_value_for_reg): Reset truncated_to_mode.
19030 (record_truncated_value): New function.
19031 (check_promoted_subreg): Call it. Rename to check_conversions.
19032 (combine_instructions): Rename check_promoted_subreg to
19034 (reg_truncated_to_mode): New function.
19035 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19036 (gen_lowpart_or_truncate): New function.
19037 (force_to_mode): Use it instead of gen_lowpart.
19039 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19041 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19042 VAR is a tag, not its type tag.
19044 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19046 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19047 alternatives to match style of other entries.
19048 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19050 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19052 PR tree-optimization/25771
19053 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19056 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19059 * tree-inline.c (declare_return_variable): If the return variable
19060 was marked as a non gimple complex, set the return slot variable
19061 to be a non gimple comple variable.
19063 2006-01-13 Richard Guenther <rguenther@suse.de>
19065 * builtins.c (expand_builtin_sincos): New function.
19066 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19068 (expand_builtin): Expand sincos using expand_builtin_sincos.
19070 2006-01-12 DJ Delorie <dj@redhat.com>
19072 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19073 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19074 so that constant shifts can be split.
19075 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19076 (m32c_valid_pointer_mode): Make static.
19077 (shift_gen_func_for): New.
19078 (m32c_prepare_shift): Use it. Split large const shifts into
19080 * config/m32c/predicates.md (shiftcount_operand): Allow more
19082 (longshiftcount_operand): New.
19083 * doc/md.texi (Machine Constraints): Document In6.
19085 2006-01-13 Ben Elliston <bje@au.ibm.com>
19087 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19088 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19091 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19093 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19094 to try to avoid clobbering pieces of structures when we know
19095 something about the whole structure.
19096 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19098 2006-01-13 Ben Elliston <bje@au.ibm.com>
19100 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19101 return in memory, as this is no limitation is no longer present.
19103 2006-01-12 DJ Delorie <dj@redhat.com>
19105 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19106 mova with fb, and for fb+0 -> An.
19108 * config/m32c/mov.md (peephole2): Fix enabling logic.
19110 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19111 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19112 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19113 FINI_ARRAY_SECTION_ASM_OP): Define.
19115 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19117 (m32c_legitimize_reload_address): New logic to reload FB to An.
19118 (m32c_output_reg_push): Add newline.
19119 (m32c_output_reg_pop): Likewise.
19121 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19123 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19125 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19127 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19129 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19131 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19134 2006-01-11 Ben Elliston <bje@au.ibm.com>
19136 * rtlanal.c (find_reg_note): Assert insn is not null.
19138 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19140 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19143 2006-01-11 Jeff Law <law@redhat.com>
19145 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19147 (mark_threaded_blocks, register_jump_thread): New functions.
19148 (thread_through_all_blocks): Remove unwanted argument. No
19149 longer rely on e->aux to communicate thread target info.
19150 Call mark_threaded_blocks. Release the threaded_blocks
19151 bitmap and threaded_edges vector when complete.
19152 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19153 (threaded_blocks): Remove.
19154 (tree_ssa_dominator_optimize): Remove initialization and
19155 finalization of threaded_blocks. Simplify call to
19156 thread_through_all_blocks.
19157 (thread_across_edge): Call register_jump_thread rather than
19158 storing thread information into e->aux.
19159 (free_all_edge_infos): Simplify now that e->aux is no longer
19160 used to communicate with thread_through_all_blocks.
19161 * tree-flow.h (thread_through_all_blocks): Update prototype.
19162 (register_jump_thread): Prototype.
19164 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19166 * df-core.c (df_compact_blocks, df_bb_replace): Use
19167 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19169 2006-01-11 Richard Guenther <rguenther@suse.de>
19171 PR tree-optimization/25734
19172 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19173 stop propagation after successful propagation to the LHS.
19175 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19177 * basic-block.h (control_flow_graph): Change the type of
19178 x_basic_block_info to VEC(basic_block,gc) *.
19179 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19181 (SET_BASIC_BLOCK): New.
19182 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19183 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19184 * cfgbuild.c (find_basic_blocks): Likewise.
19185 * cfglayout.c (fixup_reorder_chain): Likewise.
19186 * cfgrtl.c (create_basic_block_structure,
19187 rtl_create_basic_block): Likewise.
19188 * ifcvt.c (find_if_case_1): Likewise.
19189 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19192 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19194 * Makefile.in: Removed rotted odf.c entry.
19196 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19199 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19200 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19201 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19202 output pattern modifier, not %e.
19203 * config/cris/cris.c (cris_op_str): Update comment about pattern
19205 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19206 before falling through into...
19207 <case 'E'>: Redefined from old 'e' case.
19209 2006-01-11 Jan Hubicka <jh@suse.cz>
19212 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19214 2006-01-11 Jan Hubicka <jh@suse.cz>
19216 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19217 * i386.c (x86_decompose_lea): Kill.
19218 (ix86_rtx_costs): Kill.
19220 2006-01-11 Jan Hubicka <jh@suse.cz>
19222 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19223 * cgraph.h (cgraph_node): Add inline_decl.
19224 (cgraph_insert_node_to_hashtable): Declare.
19225 (save_inline_function_body): Declare.
19226 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19228 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19229 (cgraph_function_versioning): Update call of tree_function_versioning.
19230 (save_inline_function_body): New function.
19231 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19232 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19233 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19234 (cgraph_default_inline_p): Likewise.
19235 (cgraph_decide_inlining_incrementally): Likewise.
19236 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19237 (copy_bb): Kill saving; do updating of clones.
19238 (copy_cfg_body): Kill saving.
19239 (initialize_inlined-parameters): Likewise.
19240 (expand_call_inline): Likewise.
19242 (tree_function_versioning): New parameter "update_clones".
19243 (inlining_p): Kill saving.
19244 * tree-inline.h (tree_function_versioning): Update prototype.
19245 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19248 2006-01-11 Ian Lance Taylor <ian@airs.com>
19250 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19251 Allow undoing set of machine mode.
19252 (do_SUBST): Use enums instead of is_int.
19253 (do_SUBST_MODE): New function.
19254 (SUBST_MODE): New macro.
19255 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19256 reg and trying to replace reg_regno_rtx with a new register.
19257 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19258 (simplify_set): Use SUBST_MODE.
19259 (distribute_notes): Remove code that tried to update reg notes
19260 for regno_reg_rtx changes.
19262 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19264 PR tree-optimization/23109
19265 PR tree-optimization/23948
19266 PR tree-optimization/24123
19268 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19269 * tree-cfg.c (single_noncomplex_succ): New.
19270 * tree-flow.h (single_noncomplex_succ): Declare it.
19271 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19272 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19273 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19274 insert_bb, register_division_in, insert_reciprocals,
19275 replace_reciprocal, free_bb): New.
19276 (execute_cse_reciprocals_1): Rewritten.
19277 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19278 Do not commit any edge insertion. Always compute dominators and
19279 create the allocation pool.
19280 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19281 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19282 * targhooks.c (default_min_divistions_for_recip_mul): New.
19283 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19284 * passes.c (init_optimization_passes): Run recip after tree loop
19286 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19288 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19289 Kenneth Zadeck <zadeck@naturalbridge.com>
19291 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19292 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19293 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19294 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19295 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19296 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19297 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19298 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19299 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19300 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19301 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19302 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19303 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19304 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19305 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19306 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19307 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19308 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19309 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19310 DF_SCAN_POST_ALLOC): New macros.
19311 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19312 df_free_bb_function, df_local_compute_function, df_init_function,
19313 df_dataflow_function, df_confluence_function_0,
19314 df_confluence_function_n, df_transfer_function,
19315 df_finalizer_function, df_free_function, df_dump_problem_function,
19316 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19317 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19318 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19319 df_urec_bb_info, ) New types.
19320 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19322 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19323 df_analyze_simple_change_some_blocks,
19324 df_analyze_simple_change_one_block, df_compact_blocks,
19325 df_bb_replace, df_bb_regno_last_use_find,
19326 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19327 df_insn_regno_def_p, df_find_def, df_find_use,
19328 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19329 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19330 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19331 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19332 debug_df_chain, df_get_dependent_problem, df_chain_create,
19333 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19334 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19335 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19336 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19337 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19338 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19339 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19340 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19341 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19342 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19343 df_reorganize_refs, df_set_state, df_hard_reg_init,
19344 df_read_modify_subreg_p) New public functions.
19345 * df-core.c: The core dataflow solver and glue routines for rtl
19347 (df_init, df_add_problem, df_set_blocks, df_finish,
19348 df_hybrid_search_forward, df_hybrid_search_backward,
19349 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19350 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19351 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19352 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19353 df_reg_defined, df_find_use, df_reg_used, df_dump,
19354 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19355 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19356 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19357 debug_df_useno, reset_df_after_reload): New functions.
19358 * df-scan.c: The scanning fuctions, once in df.c, completely
19359 rewritten so that they now fully model the functionality of
19360 register usage at the backend.
19361 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19362 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19363 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19364 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19365 df_get_artificial_defs, df_get_artificial_uses,
19366 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19367 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19368 df_refs_delete, df_reorganize_refs, df_set_state,
19369 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19370 df_def_record_1, df_defs_record, df_uses_record,
19371 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19372 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19373 df_record_exit_block_uses, df_hard_reg_init): New functions.
19375 * df-problems.c: Seven concrete dataflow problems that use the
19376 scanning in df-scan.c and are solved by the engine in df-core.c.
19377 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19378 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19379 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19380 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19381 df_ru_free_bb_info, df_ru_alloc,
19382 df_ru_bb_local_compute_process_def,
19383 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19384 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19385 df_ru_transfer_function, df_ru_free, df_ru_dump,
19386 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19387 df_rd_free_bb_info, df_rd_alloc,
19388 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19389 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19390 df_rd_transfer_function, df_rd_free, df_rd_dump,
19391 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19392 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19393 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19394 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19395 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19396 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19397 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19398 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19399 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19400 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19401 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19402 df_urec_mark_reg_use_for_earlyclobber,
19403 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19404 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19405 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19406 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19407 df_chain_create_bb_process_use, df_chain_create_bb,
19408 df_chain_finalize, df_chain_free, df_chains_dump,
19409 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19410 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19411 df_reg_lifetime): New functions.
19412 * df.c: Deleted file.
19413 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19414 consistent with new df api.
19415 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19416 rest_of_handle_sms): Ditto.
19417 * web.c (unionfind_union, union_defs, entry_register, web_main):
19419 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19420 invariant_expr_equal_p, find_defs, check_dependencies,
19421 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19422 free_inv_motion_data, move_loop_invariants): Ditto.
19423 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19424 Update dependencies.
19425 (odf.c): Added defective entry that was deleted later in day.
19426 * sched-deps.c (sched_analyze_1): Ditto.
19428 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19430 * tree-ssa-operands.c (get_expr_operands): Record addressable
19431 variables directly. Do not call add_stmt_operands for CONST_DECLs
19433 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19434 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19436 2006-01-11 Ben Elliston <bje@au.ibm.com>
19438 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19439 function returns true in the positive case.
19441 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19444 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19445 for SI, DI, SF and DF modes. Add alternatives to copy between
19446 general and floating point registers to the 32-bit patterns.
19447 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19448 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19449 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19450 generating 64-bit code.
19451 * config/pa/pa.c (output_move_double): Handle copies between general
19452 and floating registers.
19454 2006-01-10 Stuart Hastings <stuart@apple.com>
19456 * config/i386/i386.md (set_got): Update.
19457 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19458 (builtin_setjmp_receiver): Mach-O support.
19459 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19460 (GOT_SYMBOL_NAME): Define.
19461 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19462 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19463 * config/i386/i386.c (override_options): Revise for Darwin.
19464 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19465 support. (darwin_x86_file_end): New. (output_set_got): Add label
19466 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19467 * config/i386/i386-protos.h (output_set_got): Likewise.
19468 * config/darwin.c (machopic_legitimize_pic_address): Update
19471 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19473 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19474 when MODE isn't BLKmode.
19476 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19478 PR rtl-optimization/25367
19479 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19481 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19484 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19485 for a negative bound.
19487 2006-01-10 Richard Guenther <rguenther@suse.de>
19489 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19490 Never override with anything constraint.
19492 2006-01-10 Jan Beulich <jbeulich@novell.com>
19494 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19495 256 bits when optimize_size.
19497 2006-01-10 Jan Beulich <jbeulich@novell.com>
19499 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19501 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19502 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19505 2006-01-10 Ben Elliston <bje@au.ibm.com>
19507 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19509 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19510 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19511 (USE_FP_FOR_ARG): Reject decimal float modes.
19512 (function_arg_advance): Likewise.
19513 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19514 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19515 point types in AltiVec vectors.
19516 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19517 (rs6000_libcall_value): Likewise.
19519 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19521 * config/xtensa/ieee754-df.S: New file.
19522 * config/xtensa/ieee754-sf.S: New file.
19523 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19524 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19525 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19527 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19529 * config/sh/predicates.md (binary_float_operator,
19530 binary_logical_operator, commutative_float_operator,
19531 equality_comparison_operator, greater_comparison_operator,
19532 less_comparison_operator, logical_operator,
19533 noncommutative_float_operator, shift_operator,
19534 symbol_ref_operand, unary_float_operator): Remove redundant
19537 2006-01-09 Jeff Law <law@redhat.com>
19539 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19540 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19541 now unused arguments. Callers updated.
19542 (eliminate_redundant_computations): Remove now unused arguments,
19544 (local_fold): Remove, no longer used.
19545 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19547 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19548 (simplify_cond): New function.
19549 (forward_propagate_into_cond): Call simplify_cond.
19551 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19553 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19554 (*vec_extractv2di_1_sse): New.
19556 2006-01-09 Ben Elliston <bje@au.ibm.com>
19558 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19560 2006-01-08 Richard Guenther <rguenther@suse.de>
19562 * tree-ssa-structalias.c (get_constraint_for): Remove
19563 anyoffset argument.
19564 (get_constraint_for_component_ref): Likewise.
19565 (do_deref): Likewise.
19566 (get_constraint_for): Likewise.
19567 (do_structure_copy): Likewise.
19568 (handle_ptr_arith): Likewise.
19569 (find_func_aliases): Likewise. Remove unused need_anyoffset
19572 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19573 Kaz Kojima <kkojima@gcc.gnu.org>
19575 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19576 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19577 (EXTRA_CONSTRAINT_C16): Remove.
19578 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19579 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19580 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19581 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19582 constants of SHmedia. Handle nested constant expressions of
19584 (andcosts): Fix the costs for SHmedia constants.
19585 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19586 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19587 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19588 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19589 (movv4hi_i, movv2si_i): Likewise.
19590 (movsi_const): Adjust the second operand of ior so to match with
19591 the Csu constraint.
19592 (movdi_const, movdi_const_32bit): Likewise.
19593 (movdi_const_16bit+1): Don't sign-extend LOW.
19594 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19596 (*double_shori): Fix the split condition. Use GEN_INT instead
19597 of get_int_mode calls. Mask lower 16-bit of the argument of
19599 (sym2GOTPLT): Remove.
19600 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19602 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19603 instead of EXTRA_CONSTRAINT_C16.
19605 2006-01-07 Ian Lance Taylor <ian@airs.com>
19606 David Edelsohn <edelsohn@gnu.org>
19608 PR rtl-optimization/25662
19609 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19610 for constant operands instead of simplify_gen_binary.
19611 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19612 after trying simplify_binary_operation
19614 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19616 * tree.c (iterative_hash_expr): Hash decls based on UID.
19618 2006-01-06 Eric Christopher <echristo@apple.com>
19620 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19621 (TARGET_UNWIND_EMIT): Fix spelling.
19622 * target.h (gcc_target): Add except_table_label.
19623 * except.c (output_function_exception_table): Use.
19624 * varasm.c (default_emit_except_table_label): New.
19625 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19627 (asm_out): Add here.
19628 * output.h (default_emit_except_table_label): Prototype.
19629 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19630 * config/darwin.c (darwin_emit_except_table_label): Define.
19631 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19633 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19635 PR tree-optimization/18527
19636 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19637 number_of_iterations_special, number_of_iterations_exit):
19638 Move base and step of an iv to a single structure. Add
19639 no_overflow flag, and use it in # of iterations analysis.
19640 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19641 folded_casts argument.
19642 (simple_iv): Pass base and step in a structure. Set no_overflow
19644 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19645 Evaluate expensiveness of computing # of iterations instead of
19646 the final expression.
19647 * tree-scalar-evolution.h (affine_iv): New structure.
19648 (simple_iv): Declaration changed.
19649 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19650 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19651 find_givs_in_stmt): Changed due to simple_iv change.
19653 2006-01-06 Jeff Law <law@redhat.com>
19656 * tree-cfg.c (bsi_replace): Rename final argument from
19657 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19658 change (stmt -> orig_stmt).
19659 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19660 (bsi_remove): Add new argument. Remove EH information
19662 (verify_eh_throw_table_statements): New function.
19663 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19665 * tree-optimize.c (execute_free_cfg_annotations): Verify
19666 the EH throw statement table after removing annotations.
19667 * except.h (verify_eh_throw_table_statements): Prototype.
19668 * tree-flow.h (bsi_remove): Update prototype.
19669 * tree-vrp.c (remove_range_assertions): Add new argument to
19671 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19672 * tree-complex.c (expand_complex_div_wide): Likewise.
19673 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19674 * tree-tailcall.c (eliminate_tailcall): Likewise.
19675 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19676 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19677 * tree-nrv.c (tree_nrv): Likewise.
19678 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19679 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19680 (combine_blocks): Likewise.
19681 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19682 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19683 (cleanup_control_flow): Likewise.
19684 (remove_forwarder_block): Likewise.
19685 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19686 * tree-sra.c (sra_replace): Likewise.
19687 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19688 (forward_propagate_single_use_vars): Likewise.
19689 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19690 * tree-inline.c (expand_call_inline): Likewise.
19691 * tree-vect-transform.c (vect_transform_loop): Likewise.
19692 * tree-outof-ssa.c (rewrite_trees): Likewise.
19693 * tree-cfg.c (make_goto_expr_edges): Likewise.
19694 (cleanup_dead_labels): Likewise.
19695 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19696 (bsi_move_before, bsi_move_after): Likewise.
19697 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19698 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19700 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19703 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19705 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19706 on non gimple variables. Also add checks at the top for decls and
19708 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19710 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19711 and IMAGPART_EXPR for creating MUST_DEFs.
19712 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19713 and NAME_MEMORY_TAG separately from the DECLs.
19715 2006-01-06 Richard Guenther <rguenther@suse.de>
19717 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19718 annotation, if necessary.
19719 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19720 redundant calls to update_stmt.
19721 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19724 2006-01-05 Richard Henderson <rth@redhat.com>
19726 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19728 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19730 * c-typeck.c: Update copyright date.
19732 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19734 * c-typeck.c (build_c_cast): Always warn when casting
19735 from a pointer to an integer of different size, even if
19736 the node was constant.
19738 2006-01-05 Richard Guenther <rguenther@suse.de>
19740 PR tree-optimization/22555
19741 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19742 if one structure field is an array.
19743 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19744 operands even if we found a subvar, but ignore VOPs in this
19746 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19748 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19750 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19752 PR middle-end/24998
19753 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19755 2006-01-05 Richard Guenther <rguenther@suse.de>
19756 Diego Novillo <dnovillo@redhat.com>
19758 * tree-pass.h (TODO_remove_unused_locals): Define.
19759 * gimple-low.c (expand_var_p, remove_useless_vars,
19760 pass_remove_useless_vars): Remove. Update all users.
19761 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19762 (remove_unused_locals): New function.
19763 * tree-flow.h (remove_unused_locals): Declare.
19764 * passes.c (execute_todo): Call remove_unused_locals if
19765 TODO_remove_unused_locals is set.
19766 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19767 * tree-ssa-dce.c (pass_dce): Likewise.
19768 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19770 2006-01-05 Richard Guenther <rguenther@suse.de>
19772 * tree-flow.h (struct fieldoff): Decompose field to
19773 type, size and decl.
19774 * tree-ssa-alias.c (create_sft): Take type as parameter.
19775 (create_overlap_variables_for): Store type, size and decl
19776 in the fieldoff structure.
19777 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19778 of struct fieldoff.
19779 (push_fields_onto_fieldstack): Likewise.
19780 (create_variable_info_for): Likewise. Use offset for the
19781 SFT name if the decl is not available.
19783 2006-01-04 Paul Brook <paul@codesourcery.com>
19785 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19787 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19789 * lambda-code.c (can_put_in_inner_loop): Relax
19791 (can_put_after_inner_loop): New function.
19792 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19793 (perfect_nestify): Change to make copies and modify uses.
19795 2006-01-04 Richard Henderson <rth@redhat.com>
19797 Merge from gomp branch:
19798 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19799 via integer constant.
19800 (pragma_lex): Remove.
19801 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19802 rather than parsing it.
19803 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19804 handle_pragma_extern_prefix): Add %< %> quotes.
19805 (registered_pragmas): New.
19806 (c_register_pragma_1): New.
19807 (c_register_pragma): Use it.
19808 (c_register_pragma_with_expansion): Likewise.
19809 (c_invoke_pragma_handler): New.
19810 (init_pragma): Use cpp_register_deferred_pragma directly for
19812 * c-pragma.h (enum pragma_kind): New.
19813 (pragma_handler): New.
19814 (c_invoke_pragma_handler): Declare.
19815 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19817 * c-common.h (c_common_pch_pragma): Update decl.
19818 * Makefile.in (c-parser.o): Update dependencies.
19819 (GTFILES): Add c-pragma.h.
19820 * c-parser.c (struct c_token): Add pragma_kind.
19821 (struct c_parser): Add in_pragma.
19822 (c_lex_one_token): Always initialize keyword and pragma_kind.
19823 Extract data for CPP_PRAGMA.
19824 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19825 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19826 Don't allow CPP_PRAGMA_EOL if in_pragma.
19827 (c_parser_consume_pragma): New.
19828 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19829 (c_parser_skip_to_end_of_parameter): Likewise.
19830 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19831 (c_parser_skip_to_pragma_eol): New.
19832 (c_parser_external_declaration): Handle CPP_PRAGMA.
19833 (c_parser_compound_statement_nostart): Likewise.
19834 (c_parser_statement_after_labels): Likewise.
19835 (c_parser_pragma): New.
19836 (pragma_lex): Likewise.
19837 (c_parser_pragma_pch_preprocess): New.
19838 (c_parser_new): Merge into ...
19839 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19841 2006-01-04 Jeff Law <law@redhat.com>
19844 * tree-cfg.c (bsi_replace): Remove the original statement
19845 from the EH throw statement table.
19847 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19849 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19850 make the prototype extern "C" and add throw ().
19853 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19854 and pos non-negative and pos + len <= 32.
19855 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19856 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19857 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19860 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19861 as well as sizes not multiple of component size.
19864 * function.c (instantiate_expr): New function.
19865 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19866 walk its DECL_VALUE_EXPR with instantiate_expr.
19868 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19869 DW_OP_deref{,_size} if address isn't going to be added.
19871 2006-01-04 Ben Elliston <bje@au.ibm.com>
19873 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19874 * config/fp-bit.c: Likewise.
19876 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19878 * dominance.c: Add comment about why we use DFS numbering
19881 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19882 Richard Henderson <rth@redhat.com>
19884 Merge from gomp-branch:
19885 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19886 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19888 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19890 PR rtl-optimization/25578
19891 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19892 pass a parameter to simplify_shift_const if changing ASHIFTRT
19895 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19897 * builtins.c (get_builtin_sync_mem): New function.
19898 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19899 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19900 Call get_builtin_sync_mem to generate mem rtx.
19902 2006-01-03 Richard Guenther <rguenther@suse.de>
19905 * stmt.c (add_case_node): Make sure to clear overflow flags
19908 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19910 Merge from gomp-branch.
19911 * config/sparc/sync.md: New file.
19912 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19913 UNSPECV_LDSTUB): New constants.
19914 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19915 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19916 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19919 2006-01-03 Roger Sayle <roger@eyesopen.com>
19921 * combine.c (reg_subword_p): New predicate to test whether the
19922 destination of a set refers to a subword/piece of a register.
19923 (try_combine): Generalize the code to merge the setting of a
19924 pseudo to a constant followed by a set of a subword of that
19925 register to a constant.
19927 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19929 * basic-block.h (control_flow_graph): Change the type of
19930 x_label_to_block_map to VEC(basic_block,gc) *.
19931 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19932 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19934 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19935 VEC(basic_block,heap) *.
19936 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19937 ssa_prop_fini): Adjust the uses of cfg_blocks.
19939 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19941 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19943 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19944 hashing trees instead of a pointer hash.
19945 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19946 compare for MEM_EXPR.
19948 PR rtl-optimization/25130
19949 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19950 when comparing MEMs for GCSE
19952 2006-01-03 Ben Elliston <bje@au.ibm.com>
19954 * targhooks.h (default_decimal_float_supported_p): Declare.
19955 * targhooks.c (default_decimal_float_supported_p): Define.
19956 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19957 `default_decimal_float_supported_p'.
19958 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19960 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19962 * combine.c (apply_distributive_law <SUBREG>): Check
19963 TRULY_NOOP_TRUNCATION.
19965 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19967 * dwarf2out.c (have_switched_text_section): Delete.
19968 (have_multiple_function_sections): New.
19969 (have_location_lists): Make 'bool'.
19970 (add_AT_loc_list): Use 'true' not '1'.
19971 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19972 (output_loc_list): Use have_multiple_function_sections.
19973 (output_ranges): Likewise.
19974 (dwarf2out_begin_function): Set have_multiple_function_sections if
19976 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19977 Check function_section rather than DECL_SECTION_NAME.
19978 (dwarf2out_finish): Use have_multiple_function_sections.
19979 Don't clear have_location_lists.
19981 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19982 Jan Hubicka <jh@suse.cz>
19984 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
19985 case of conditional jump jumping to the next instruction.
19986 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
19987 cases of conditional jump jumping to the next instruction.
19989 2006-01-02 Jan Hubicka <jh@suse.cz>
19991 * i386.c (*_cost): Add COSTS_N_INSNS.
19992 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
19994 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
19997 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
19999 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20001 * config/arm/arm.c (all_fpus): Fix comment typo.
20002 * config/darwin.c: Likewise.
20003 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20004 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20005 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20007 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20009 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20010 (rs6000_split_compare_and_swapqhi): New.
20011 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20012 (sync_compare_and_swapqhi_internal): New.
20013 * config/rs6000/rs6000-protos.h: Declare.