1 2006-11-29 Joseph Myers <joseph@codesourcery.com>
3 * config/rs6000/predicates.md (gpc_reg_operand): Check
5 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
6 SImode subregs of SPE vectors.
7 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
8 * jump.c (true_regnum): Require subregs to satisfy
9 subreg_offset_representable_p.
11 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
12 Steven Bosscher <stevenb.gcc@gmail.com>
14 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
15 since it no longer exists.
17 2006-11-29 Duncan Sands <baldrick@free.fr>
19 PR tree-optimization/23744
20 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
22 2006-11-29 Duncan Sands <baldrick@free.fr>
24 PR tree-optimization/23744
25 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
27 2006-11-29 Duncan Sands <baldrick@free.fr>
29 PR tree-optimization/23744
30 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
32 2006-11-29 Jie Zhang <jie.zhang@analog.com>
34 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
36 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
38 * sh.opt (minline-ic_invalidate): New option.
39 (musermode): Adjust comment.
40 * sh.c (sh_initialize_trampoline): Emit library call unless
41 is set; if it is set, don't emit library call if we can use icbi
43 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
44 icbi for TARGET_SH4_300.
45 * t-sh (LIB1ASMFUNCS_CACHE): Set.
46 * doc/invoke.texi: Document -minline-ic_invalidate; Update
47 -musermode documentation.
49 2006-11-29 Jim Tison <jtison@us.ibm.com>
51 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
52 __gthread_recursive_mutex_init): Define.
54 2006-11-29 Joseph Myers <joseph@codesourcery.com>
56 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
57 STRICT_ALIGNMENT and the type is more aligned than the saved
58 registers, copy via a temporary.
60 2006-11-28 Andrew Pinski <pinskia@gmail.com>
63 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
66 2006-11-28 Bob Wilson <bob.wilson@acm.org>
68 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
70 2006-11-28 Jan Hubicka <jh@suse.cz>
72 Privatize SSA variables into gimple_df.
74 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
75 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
76 gimple_nonlocal_all): New accessors.
77 (first_referenced_var): Update.
78 (mark_stmt_modified): Update.
79 (is_call_clobbered): Update.
80 (mark_call_clobbered): Update.
81 (clear_call_clobbered): Update.
82 (mark_non_addressable): Update.
83 * tree-vrp.c (get_value_range): Update.
84 * tree-into-ssa.c (in_ssa_p): Kill.
85 (get_default_def_for): Update.
86 (rewrite_into_ssa): Update.
87 * tree-complex.c (init_parameter_lattice_values): Update.
88 (update_complex_assignment): Update.
89 (update_parameter_components): Update.
90 (expand_complex_libcall): Update.
91 (expand_complex_operations_1): Update.
92 * tree-tailcall.c (arg_needs_copy_p): Update.
93 (add_virtual_phis): Update.
94 (tree_optimize_tail_calls_1): Update.
95 * tree-ssa-dse.c (memory_ssa_name_same): Update.
96 * tree-ssa-copyrename.c
97 (copy_rename_partition_coalesce): Update.
98 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
99 * tree-ssa-propagate.c (set_rhs): Update.
100 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
101 addressable_vars, global_var):Kill.
102 (set_initial_properties): Update.
103 (init_alias_info): Update.
104 (finalize_ref_all_pointers): Update.
105 (setup_pointers_and_addressables): Update.
106 (maybe_create_global_var): Update.
107 (create_global_var): Update.
108 (dump_points_to_info): Update.
109 * function.h (struct gimple_df): Forward declare.
110 (struct function): Add GIMPLE_DF field.
111 * gimplify.c (force_gimple_operand): Update.
112 * tree-dfa.c (referenced_vars, default_defs): KIll.
113 (make_rename_temp): Update.
114 (dump_variable): Update.
115 (referenced_var_lookup): Update.
116 (referenced_var_check_and_insert): Update.
117 (default_def): Rename to ...
118 (gimple_default_def): ... this one; accept cfun argument.
119 (set_default_def): Update.
120 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
121 (cleanup_control_flow): Update.
122 * tree-ssa-pre.c (compute_avail): Update
123 * tree-ssa-live.c (calculate_live_on_entry): Update.
124 * tree-ssa.c (verify_use): Update.
125 (verify_call_clobbering): Update.
126 (verify_call_clobbering): Update.
127 (init_tree_ssa): Update.
128 (delete_tree_ssa): Update.
129 * tree-outof-ssa.c (coalesce_ssa_name): Update.
130 (rewrite_out_of_ssa): Update.
131 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
132 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
134 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
135 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
136 addressable_vars, aliases_computed_p): Kill.
137 (default_def): Rename to...
138 (gimple_default_def): ... this one.
139 (defaule_def_fn): Kill.
140 (num_referenced_vars, ssa_names, num_ssa_names): Update.
141 * tree-ssa-structalias.c (nonlocal_all): Kill.
142 (get_constraint_exp_from_ssa_var): Update.
143 (create_nonlocal_var): Update.
144 (get_constraint_for): Update.
145 (update_alias_info): Update.
146 (find_global_initializers): Update.
147 (intra_create_variable_infos): Update.
148 (intra_create_variable_infos):
149 (find_what_p_points_to): Update.
150 (init_alias_heapvars): Update.
151 * tree-cfg.c (remove_bb): Update.
152 (gimplify_val): Update.
153 * tree-ssa-reassoc.c (get_rank): Update.
154 (init_reassoc): Update.
155 * tree-ssanames.c: Do not include gt-tree-ssanames.h
156 (ssa_names, free_ssanames): Kill.
157 (init_ssanames): Update.
158 (make_ssa_name): Update.
159 (release_ssa_name): Update.
160 (release_defs): Update.
161 (replace_ssa_name_symbol): Update.
162 * tree-ssa-operands.c (access_can_touch_variable): Update.
163 (add_virtual_operand): Update.
164 (add_call_clobber_ops): Update.
165 (add_call_read_ops): Update.
166 (get_call_expr_operands): Update.
167 (get_asm_expr_operands): Update.
169 2006-11-28 Jan Hubicka <jh@suse.cz>
171 * builtins.c: Include tree-flow.h.
172 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
173 assignment; convert memmove to memcpy for sizes greater than 1 where
174 alignment of operands prohibit the partial overlap.
176 2006-11-28 Jan Hubicka <jh@suse.cz>
178 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
179 * cgraph.c (dump_cgraph_node): Dump stack usage.
180 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
181 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
182 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
183 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
184 (cgraph_check_inline_limits): Limit stack growth.
185 * cfgexpand.c: Include tree-inline.h.
186 (account_stack_vars): New function.
187 (expand_one_var): New param to just account the stack; return estimated
189 (expand_used_vars_for_block): Update call of expand_one_var.
190 (account_used_vars_for_block): New function.
191 (estimated_stack_frame_size): Likewise.
192 (init_vars_expansion, fini_vars_expansion): Break out from..
193 (expand_used_vars): ... here.
194 * tree-inline.h (estimated_stack_frame_size): Declare.
195 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
197 2006-11-28 Richard Guenther <rguenther@suse.de>
199 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
200 unsigned long for printing OBJECT_SIZE.
202 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
204 * alias.c (init_alias_analysis): Remove simplification loop
205 after propagating pointers.
207 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
209 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
212 2006-11-27 Bob Wilson <bob.wilson@acm.org>
214 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
216 2006-11-27 Roger Sayle <roger@eyesopen.com>
217 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
219 * c-common.c (constant_fits_type_p): Delete.
220 (unsigned_conversion_warning): Delete.
221 (conversion_warning): Integrate Wconversion warning from
222 unsigned_conversion_warning.
223 (convert_and_check): Integrate Woverflow warning from
224 unsigned_conversion_warning. Reorganize and simplify to avoid
225 dependence upon the middle-end setting TREE_OVERFLOW on integral
226 conversions, by using int_fits_type_p directly.
228 2006-11-27 Tobias Burnus <burnus@net-b.de>
230 * doc/invoke.texi: Fixed typo.
232 2006-11-27 Michael Matz <matz@suse.de>
233 Andreas Krebbel <krebbel1@de.ibm.com>
236 * config/s390/predicates.md (larl_operand): Check addend of larl
237 operand to be in range of -/+2GB.
238 * config/s390/s390.c (legitimize_pic_address): Likewise.
239 Changed type of variable even to HOST_WIDE_INT.
241 2006-11-27 Jan Hubicka <jh@suse.cz>
243 * expr.c (emit_block_move_via_libcall): Export.
244 (clear_storage_via_libcall): Rename to ...
245 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
246 (clear_storage): Update to set_storage_via_libcall.
247 * expr.h (emit_block_move_via_libcall): Declare
248 * config/i386/i386.h (stringop_alg): New enum.
249 (MAX_STRINGOP_ALGS): New constant.
250 (stringop_algs): New struct.
251 (processor_costs): Add memcpy/memset descriptors.
252 (TARGET_REP_MOVEL_OPTIMAL): Remove.
253 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
254 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
256 * config/i386/i386.opt (minline-stringops-dynamically,
257 mstringop-strategy): New
259 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
260 (ix86_expand-clrmem): Rename to ...
261 (ix86_expand_setmem): ... this one; update prototype.
262 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
263 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
264 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
265 nocona_cost, core2_cost, generic_cost, generic64_cost,
266 generic32_cost): Add memcpy/memset descriptors.
267 (x86_rep_movl_optimal): Remove.
268 (stringop_alg): New static variable.
269 (ix86_expand_aligntest): Handle predictions.
270 (override_options): Add strgop_alg handling.
271 (predict_jump): New function.
272 (scale_counter): New function.
273 (expand_set_or_movmem_via_loop): New function.
274 (expand_movmem_via_rep_mov): New function.
275 (expand_setmem_via_rep_stots): New function.
276 (emit_strmov): New function.
277 (expand_movmem_epilogue): New function.
278 (expand_setmem_epilogue_via_loop): New function.
279 (expand_setmem_epilogue): New function.
280 (expand_movmem_prologue): New function.
281 (expand_setmem_prologue): New function.
282 (decide_alg): New function.
283 (decide_alignment): New function.
284 (ix86_exand_movmem): Rewrite.
285 (promote_duplicated_reg): New function.
286 (ix86_expand_clrmem): Rename to ...
287 (ix86_expand_setmem): ... this one. Rewrite.
289 * invoke.texi (minline-stringops-dynamically): New command line option.
290 (mstringop-strategy): Likewise.
292 2006-11-27 Jan Hubicka <jh@suse.cz>
294 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
295 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
296 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
297 * insn-notes.def (FUNCTION_END): Remove.
298 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
299 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
301 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
302 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
303 * cfglayout.c (duplicate_insn_chain): Don't worry about
306 2006-11-27 Richard Guenther <rguenther@suse.de>
307 Zdenek Dvorak <dvorakz@suse.cz>
309 * target.h (struct gcc_target): Add builtin_vectorized_function
311 * target-def.h (TARGET_VECTORIZE): Likewise.
312 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
313 Document new target hook.
314 * targhooks.h (default_builtin_vectorized_function): Declare.
315 * targhooks.c (default_builtin_vectorized_function): Define.
316 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
317 (vectorizable_call): Declare.
318 * tree-vect-analyze.c (vect_analyze_operations): Call
320 * tree-vect-transform.c (vectorizable_function): New static function.
321 (build_vectorized_function_call): Likewise.
322 (vectorizable_call): New function.
323 (vect_transform_stmt): Handle vectorizable calls.
325 2006-11-27 Richard Guenther <rguenther@suse.de>
328 * builtins.c (expand_builtin_pow): Optimize non integer valued
329 constant exponents using sqrt or cbrt if possible. Always fall back
330 to expanding via optabs.
332 2006-11-27 Ira Rosen <irar@il.ibm.com>
334 PR tree-optimization/22372
335 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
336 the type of the base address.
337 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
338 it in the data-ref pointer creation.
339 (vect_init_vector): Add an argument, type of the init vector. Use it in
341 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
342 (get_initial_def_for_reduction): Likewise.
343 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
345 (vectorizable_assignment, vect_permute_store_chain): Likewise.
346 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
347 correct type in stmt creation.
348 (vect_setup_realignment): Use the correct type in stmt creation.
349 (vect_permute_load_chain): Change type of MODIFY_EXPR to
351 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
352 of MODIFY_EXPR to void_type_node.
353 (vectorizable_condition): Change type of MODIFY_EXPR to
355 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
358 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
361 2006-05-08 Uros Bizjak <uros@kss-loka.si>
362 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
363 standard 80387 constants, raise the cost to prevent
364 compress_float_constant() to generate load from memory.
366 * config/i386/i386.md: Add new splitter pattern to split
367 float_extended load of constant from constant pool into
370 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
372 * doc/install.texi: Move GMP/MPFR configure options from Fortran
373 section to general section. Remove documentation for
374 --with-mpfr-dir and --with-gmp-dir, add documentation for
375 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
378 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
380 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
382 * testsuite/gcc.dg/ipa/ipa-6.c: New.
384 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
386 PR tree-optimization/29122
387 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
388 for the new version. Assign NULL to DECL_RTL of the new version.
390 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
392 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
394 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
396 * cse.c (cse_altered): Remove.
397 (record_jump_equiv): Make true/false argument a bool instead
399 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
400 where appropriate. Emit a new jump before the existing one
401 instead of after so that delete_insn_and_edges removes the
402 dead edges properly. Check any_condjump_p before calling
404 (cse_basic_block): Check any_condjump_p before calling
406 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
408 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
410 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
411 -ffixed-line-length-* options.
413 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
415 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
416 (fprem1xf4): Rename to fprem1xf4_i387.
418 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
419 Rename patterns to fmod<mode>3. Use general_operand operand
420 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
421 patterns for SSE math.
422 (remaindersf3, remainderdf3): Ditto.
424 2006-11-25 Joseph Myers <joseph@codesourcery.com>
426 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
427 inside start_sequence / end_sequence pair.
429 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
431 * jump.c (mark_all_labels): Work in cfglayout mode.
432 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
433 when in cfglayout mode, because there are no dead jumptables
435 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
437 (commit_edge_insertions): Do not allow insertion of instructions
438 with control flow insns when in cfglayout mode.
440 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
442 * tree-vrp.c (execute_vrp): Do not pass loops structure through
444 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
445 unswitch_loop): Ditto.
446 * tree-loop-linear.c (linear_transform_loops): Ditto.
447 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
448 tree_ssa_lim): Ditto.
449 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
450 free_numbers_of_iterations_estimates): Ditto.
451 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
452 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
453 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
454 remove_path, add_loop, loopify, unloop, fix_loop_placements,
455 place_new_loop, duplicate_loop, duplicate_subloops,
456 update_single_exit_for_duplicated_loops, copy_loops_to,
457 duplicate_loop_to_header_edge, create_preheaders,
458 force_single_succ_latches, loop_version, fix_loop_structure):
460 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
461 tree_unroll_loop): Ditto.
462 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
463 * tree-scalar-evolution.c (select_loops_exit_conditions,
464 scev_initialize, scev_analysis): Ditto.
465 * tree-scalar-evolution.h (scev_initialize): Ditto.
466 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
467 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
468 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
469 * modulo-sched.c (sms_schedule): Ditto.
470 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
471 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
472 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
473 * ifcvt.c (if_convert): Ditto.
474 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
475 canonicalize_loop_induction_variables,
476 canonicalize_induction_variables,
477 tree_unroll_loops_completely, remove_empty_loops): Ditto.
478 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
479 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
480 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
481 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
482 tree_ssa_loop_done): Ditto.
483 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
484 estimate_bb_frequencies): Ditto.
485 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
486 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
487 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
488 decide_unrolling_and_peeling, peel_loop_completely,
489 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
490 peel_loop_simple, unroll_loop_stupid): Ditto.
491 * loop-doloop.c (doloop_optimize_loops): Ditto.
492 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
493 * loop-invariant.c (move_loop_invariants): Ditto.
494 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
495 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
496 tree_ssa_prefetch_arrays): Ditto.
497 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
499 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
500 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
501 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
502 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
503 verify_loop_structure): Ditto.
504 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
505 canonicalize_induction_variables, tree_unroll_loops_completely,
506 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
507 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
508 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
509 tree_unroll_loop, linear_transform_loops): Declaration changed.
510 * basic-block.h: Remove declaration of struct loops.
511 * cfghooks.h (struct cfg_hooks): Change type of
512 cfg_hook_duplicate_loop_to_header_edge.
513 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
514 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
515 vect_transform_loop): Declaration changed.
516 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
517 * cfgloop.h (flow_loops_dump, fix_loop_structure,
518 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
519 cancel_loop_tree, create_preheaders, force_single_succ_latches,
520 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
521 loopify, loop_version, remove_path, unswitch_loops,
522 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
525 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
527 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
528 (X87MODEF): New mode macro.
529 (ssemodefsuffix): New mode attribute.
530 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
531 (sqrt_extend<mode>xf2_i387): New insn pattern.
532 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
533 insn and truncate result back to original mode using
534 UNSPEC_TRUNC_NOOP truncation.
535 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
536 ssemodefsuffix mode attribute.
537 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
538 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
539 (*sqrtextenddfxf2_i387): Remove insn patterns.
541 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
544 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
546 2006-11-24 Jakub Jelinek <jakub@redhat.com>
549 * c-tree.h (c_maybe_initialize_eh): New prototype.
550 * c-decl.c (finish_decl): Move EH initialization...
551 (c_maybe_initialize_eh): ... here. New function.
552 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
553 if not #pragma omp atomic.
556 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
557 or UNION_TYPE inner types.
559 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
562 * ipa-pure-const.c (check_tree): If the original tree
563 is volatile return early and say the function is not pure
564 nor const. Remove the volatile check for writes.
565 (analyze_function): Print out the result of the local
568 2006-11-24 Joseph Myers <joseph@codesourcery.com>
570 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
572 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
573 * config/rs6000/rs6000.c (rs6000_override_options): Use
574 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
577 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
579 * config/s390.c (s390_emit_compare_and_swap): New function.
580 (s390_expand_cs_hqi, s390_expand_atomic): Call
581 s390_emit_compare_and_swap.
583 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
585 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
587 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
591 * c-common.c (conversion_warning): New.
592 (convert_and_check): Call conversion_warning unless there is an
594 * doc/invoke.texi (-Wconversion): Update description.
596 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
598 * tree-ssa-alias.c (tree_pointer_compare): New function.
599 (compact_name_tags): New function.
600 (group_aliases): Call compact_name_tags.
602 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
604 * real.h (real_isinteger): Declare.
605 * real.c (real_isinteger): Define.
606 * builtins.c (integer_valued_real_p): Use it.
608 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
611 * c.opt (Wtraditional-conversion): New.
612 (Wconversion): Update description.
613 * c-typeck.c (convert_arguments): Warnings for prototypes causing
614 type conversions different from what would happen in the absence
615 of prototype are now handled by Wtraditional-conversion.
616 * doc/invoke.texi (Wtraditional-conversion): New.
617 (Wconversion): Update description.
618 * doc/trouble.texi (Wconversion): Replace Wconversion by
619 Wtraditional-conversion.
621 2006-11-23 Andrew Pinski <pinskia@gmail.com>
623 * predict.c (tree_estimate_probability): Check to make
624 sure current_loops is non null before calling flow_loops_dump.
626 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
628 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
630 2006-11-23 David Ung <davidu@mips.com>
632 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
634 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
635 (ASM_SPEC): Pass along -mfp32 and -mfp64.
636 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
637 high part of FP register when in 64-bit FP register mode. Similarly
638 use gen_mfhc1 to load high part of FP register.
639 (override_options): Allow -mgp32 and -mfp64 combination if
640 ISA_HAS_MXHC1 (currently for O32 only).
641 (mips_cannot_change_mode_class): If floating-point registers are
642 bigger than word size. disallow conversion of float register from a
643 large integer mode to a float mode smaller than the float register
645 (mips_class_max_nregs): Handle float registers case seperately.
646 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
648 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
649 (movdf_hardfloat_32bit): Similarly.
650 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
651 support a full 64-bit fpu.
652 (mthc1): New pattern to generate MTHC1 instruction.
653 (mfhc1): New pattern to generate MFHC1 instruction.
654 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
655 option for the MIPS32R2 and mention its use under O32 ABI.
657 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
659 * var-tracking.c (emit_note_insn_var_location): Take care not to
660 cause verify_flow_info failures.
662 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
664 * tree-ssa-structalias.c: Remove edge weights in favor of just
665 processing them as complex constraints.
666 (struct constraint_graph): Remove weighted succs and preds. Rename
667 nonweighted succs and preds.
668 (constraint_edge): Removed.
669 (constraint_edge_t): Ditto.
670 (constraint_edge_pool): Ditto.
671 (new_constraint_edge): Ditto.
672 (constraint_edge_equal): Ditto.
673 (constraint_edge_less): Ditto.
674 (constraint_edge_vec_find): Ditto.
675 (erase_self_graph_edge): Ditto.
676 (add_graph_edge): Removed.
677 (get_graph_weights): Ditto.
678 (allocate_graph_weights): Ditto.
679 (valid_weighted_graph_edge): Ditto
680 (bitmap_other_than_zero_bit_set): Ditto.
681 (int_add_graph_edge): Renamed to add_graph_edge.
682 (clear_edges_for_node): Remove support for weighted edges.
683 (merge_graph_nodes): Ditto.
684 (valid_graph_edge): Ditto.
685 (build_constraint_graph): Ditto.
687 (collapse_nodes): Ditto.
688 (process_unification_queue): Ditto.
690 (do_ds_constraint): Ditto.
691 (perform_var_subsitution): Ditto.
692 (solve_graph): Ditto.
693 (init_alias_vars): Ditto.
694 (delete_points_to_sets): Ditto.
695 (do_complex_constraint): Support offsetted copies here.
697 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
699 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
701 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
703 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
706 2006-11-23 Ben Elliston <bje@au.ibm.com>
708 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
710 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
712 PR tree-optimization/29921
713 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
714 signed and unsigned zero equal.
716 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
718 * config/rs6000/rs6000.c (get_store_dest): New.
719 (adjacent_mem_locations): Use get_store_dest() to get
720 the rtl of the store destination.
722 2006-11-22 Joseph Myers <joseph@codesourcery.com>
724 * config/rs6000/spe.md (SPE64): New mode macro.
725 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
727 (mov_si<mode>_e500_subreg0_2): New.
728 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
730 (mov_si<mode>_e500_subreg4_2): New.
731 * config/rs6000/predicates.md (input_operand): Do not allow
732 invalid E500 subregs.
733 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
735 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
736 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
737 involving vector modes if TARGET_SPE.
739 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
742 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
743 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
745 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
747 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
748 mem_i_address_operand): New predicates.
749 * config/bfin/bfin.c (bfin_issue_rate): New function.
750 (TARGET_SCHED_ISSUE_RATE): New macro.
751 * config/bfin/bfin.md (addrtype): New attribute.
752 (slot0, slot1, slot2, store, pregs): New cpu_units.
753 (core): Now a define_reservation.
754 (alu): Remove some insn types from this reservation.
755 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
757 (dummy reservation): Don't trigger for mcld insns.
758 (absence_sets): Two new absence sets to enforce slot ordering.
759 (popsi_insn): Set addrtype.
761 2006-11-22 Ira Rosen <irar@il.ibm.com>
763 * doc/c-tree.texi: Document new tree codes.
764 * doc/md.texi: Document new optabs.
765 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
767 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
768 * optabs.h (optab_index): Add new.
769 (vec_extract_even_optab, vec_extract_odd_optab,
770 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
771 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
772 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
774 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
775 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
776 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
777 along with macros for their access.
778 * tree-data-ref.h (first_location_in_loop, data_reference): Update
780 * tree-vect-analyze.c (toplev.h): Include.
781 (vect_determine_vectorization_factor): Fix indentation.
782 (vect_insert_into_interleaving_chain,
783 vect_update_interleaving_chain, vect_equal_offsets): New functions.
784 (vect_analyze_data_ref_dependence): Add argument for interleaving
785 check. Check for interleaving if it's true.
786 (vect_check_dependences): New function.
787 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
788 every ddr. Call vect_analyze_data_ref_dependence with new argument.
789 (vect_update_misalignment_for_peel): Update for interleaving.
790 (vect_verify_datarefs_alignment): Check only first data-ref for
792 (vect_enhance_data_refs_alignment): Update for interleaving. Check
793 only first data-ref for interleaving.
794 (vect_analyze_data_ref_access): Check interleaving, update
796 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
797 with different parameters.
798 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
799 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
800 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
801 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
802 Update step in case of interleaving.
803 (vect_strided_store_supported, vect_permute_store_chain): New
805 (vectorizable_store): Handle strided stores.
806 (vect_strided_load_supported, vect_permute_load_chain,
807 vect_transform_strided_load): New functions.
808 (vectorizable_load): Handle strided loads.
809 (vect_transform_stmt): Add argument. Handle strided stores. Check
810 that vectorized stmt exists for patterns.
811 (vect_gen_niters_for_prolog_loop): Update calculation for
813 (vect_transform_loop): Remove stmt_vec_info for strided stores after
814 whole chain vectorization.
815 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
816 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
817 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
818 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
819 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
821 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
823 * cse.c (enum taken): Remove PATH_AROUND.
824 (addr_affects_sp_p, invalidate_skipped_set,
825 invalidate_skipped_block): Remove.
826 (cse_end_of_basic_block): Remove skip_blocks and related code.
827 (cse_main): Don't test for flag_cse_skip_blocks.
828 Update cse_end_of_basic_block call.
829 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
830 code to lengthen the path if a jump was simplified.
832 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
834 PR rtl-optimization/29924
835 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
836 (unroll_loop_runtime_iterations): Assert that the argument passed to
837 split_edge_and_insert is not NULL.
838 * loop-doloop.c (add_test): Ditto.
840 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
842 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
844 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
845 * cfgloopmanip.c (update_single_exits_after_duplication,
846 update_single_exit_for_duplicated_loop, loop_version): Ditto.
847 * tree-scalar-evolution.c (get_loop_exit_condition,
848 get_exit_conditions_rec, loop_closed_phi_def,
849 number_of_iterations_in_loop, scev_const_prop): Ditto.
850 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
851 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
853 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
855 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
856 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
857 slpeel_make_loop_iterate_ntimes,
858 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
859 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
861 * tree-if-conv.c (if_convertible_loop_p): Ditto.
862 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
863 vect_analyze_loop_form): Ditto.
864 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
865 can_convert_to_perfect_nest, perfect_nestify): Ditto.
866 * tree-vect-transform.c (vect_create_epilog_for_reduction,
867 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
868 vect_transform_loop): Ditto.
869 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
870 (single_exit, set_single_exit): New functions.
871 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
872 (single_exit, set_single_exit): Declare.
873 * doc/loop.texi: Undocument single_exit field. Document single_exit
876 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
878 PR tree-optimization/29902
879 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
880 any involved ssa name appears in abnormal phi node.
882 2006-11-21 Bob Wilson <bob.wilson@acm.org>
884 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
885 (xtensa_const_ok_for_letter_p): Delete.
886 (xtensa_extra_constraint): Delete.
887 (override_options): Delete xtensa_char_to_class initialization.
888 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
889 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
890 (EXTRA_CONSTRAINT): Delete.
891 * config/xtensa/xtensa.md: Include constraints.md.
892 (call_internal): Combine alternatives.
893 (call_value_internal): Likewise, and remove invalid constraints.
894 * config/xtensa/constraints.md: New file.
895 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
896 (xtensa_extra_constraint): Delete.
897 * doc/md.texi (Machine Constraints): Refer to constraints.md for
900 2006-11-21 Janis Johnson <janis187@us.ibm.com>
902 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
903 of conversion that doesn't fit.
905 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
906 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
907 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
909 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
911 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
913 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
915 2006-11-21 Richard Guenther <rguenther@suse.de>
917 * tree-vectorizer.h (NUM_PATTERNS): Increase.
918 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
919 vect_recog_pow_pattern.
920 (vect_recog_pow_pattern): New function.
922 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
924 * config/bfin/bfin.opt (mstack-check-l1): New.
925 * doc/invoke.texi (Blackfin Options): Document it.
926 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
927 stack bounds in L1 memory if the new option is enabled.
928 (override_options): Don't allow combinations of -fstack-limit and
930 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
933 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
935 (bfin_register_move_cost): Bump costs if trying to move plain
936 integer values through accumulators.
938 2006-11-21 Ben Elliston <bje@au.ibm.com>
940 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
942 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
943 Russell Olsen <Russell_Olsen@playstation.sony.com>
944 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
945 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
946 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
947 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
948 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
950 * config.gcc: Add target for SPU.
951 * config/spu/constraints.md: New file.
952 * config/spu/crt0.c: New file.
953 * config/spu/crtend.c: New file.
954 * config/spu/crti.asm: New file.
955 * config/spu/crtn.asm: New file.
956 * config/spu/float_unsdidf.c: New file.
957 * config/spu/float_unssidf.c: New file.
958 * config/spu/predicates.md: New file.
959 * config/spu/spu-builtins.def: New file.
960 * config/spu/spu-builtins.h: New file.
961 * config/spu/spu-builtins.md: New file.
962 * config/spu/spu-c.c: New file.
963 * config/spu/spu-elf.h: New file.
964 * config/spu/spu-modes.def: New file.
965 * config/spu/spu-protos.h: New file.
966 * config/spu/spu.c: New file.
967 * config/spu/spu.h: New file.
968 * config/spu/spu.md: New file.
969 * config/spu/spu.opt: New file.
970 * config/spu/spu_internals.h: New file.
971 * config/spu/spu_intrinsics.h: New file.
972 * config/spu/spu_mfcio.h: New file.
973 * config/spu/t-spu-elf: New file.
974 * config/spu/vec_types.h: New file.
975 * config/spu/vmx2spu.h: New file.
976 * doc/contrib.texi: Document SPU contributor.
977 * doc/extend.texi: Document SPU extensions.
978 * doc/invoke.texi: Document SPU options.
979 * doc/md.texi: Document SPU constraints.
981 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
983 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
985 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
987 (flow_loop_dump): Do not dump loop level.
988 (flow_loops_find): Do not call flow_loops_level_compute.
989 * cfgloop.h (struct loop): Remove level field.
991 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
993 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
994 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
995 Use vector of edges instead of array.
996 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
997 estimate_numbers_of_iterations_loop): Ditto.
998 * predict.c (predict_loops): Ditto.
999 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1000 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1002 * basic-block.h: Declare heap allocation for edge vectors.
1003 * tree-outof-ssa.c: Ditto.
1004 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1005 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1007 2006-11-20 Zack Weinberg <zackw@panix.com>
1009 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1010 Add another out parameter, "skip".
1011 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1012 is tagged "skip", do not mark its type used.
1014 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1017 * tree-sra.c (single_scalar_field_in_record_p): New function.
1018 (decide_block_copy): Use it.
1020 2006-11-20 David Daney <ddaney@avtrex.com>
1022 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1023 PC to point to following instruction.
1025 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1029 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1031 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1033 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1035 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1036 Add sh/superh.h to tm_file.
1038 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1039 Mark Mitchell <mark@codesourcery.com>
1041 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1043 (cpp_relocated): New function.
1044 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1046 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1047 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1048 replace configured prefix with gcc_exec_prefix.
1050 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1052 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1053 bfin_legitimate_constant_p.
1054 * config/bfin/bfin.md (movsi expander): Check return value of
1056 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1057 (expand_move): Adjust prototype.
1058 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1059 invalid constants specially.
1060 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1062 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1064 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1065 sibcall_value_symbol): Allow these patterns if
1066 TARGET_LEAF_ID_SHARED_LIBRARY.
1067 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1068 (override_options): Turn on id shared library flags if -msep-data,
1069 but disallow the combination of these options on the command line.
1070 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1071 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1072 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1073 -mid-shared-library.
1074 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1075 * doc/invoke.texi (Blackfin Options): Document new switches.
1077 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1078 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1080 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1081 inflate costs for addresses with an out-of-bounds address.
1083 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1086 * fwprop.c (loops): Remove.
1087 (forward_propagate_into): Use current_loops instead of
1089 (fwprop_init): Call loop_optimizer_init instead of
1091 (fwprop_done): Call loop_optimizer_finalize instead of
1093 (fwprop): Use current_loops instead of loops.
1095 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1098 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1100 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1103 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1104 larger than BITS_PER_WORD.
1106 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1110 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1111 to MAX_FIXED_MODE_SIZE.
1113 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1115 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1116 (fold_builtin_fmin_fmax): New.
1117 (fold_builtin_1): Use it.
1119 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1121 2006-11-18 Richard Guenther <rguenther@suse.de>
1123 * config/i386/i386.c (ix86_builtins): New array for ix86
1124 builtin function decls.
1125 (def_builtin): New function.
1126 (def_builtin_const): Likewise.
1127 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1129 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1131 * doc/invoke.texi (core2): Add item.
1133 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1135 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1136 (TARGET_CPU_DEFAULT_generic): Change value.
1137 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1138 (processor_type): Add new constant PROCESSOR_CORE2.
1140 * config/i386/i386.md (cpu): Add core2.
1142 * config/i386/i386.c (core2_cost): New initialized variable.
1143 (m_CORE2): New macro.
1144 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1145 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1146 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1147 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1148 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1149 x86_accumulate_outgoing_args, x86_prologue_using_move,
1150 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1151 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1152 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1153 x86_pad_returns): Add m_CORE2.
1154 (override_options): Add entries for Core2.
1155 (ix86_issue_rate): Add case for Core2.
1157 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1159 * doc/invoke.texi: Fix mno-isel typo.
1161 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1163 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1164 easy vector constant loads.
1166 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1168 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1169 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1170 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1171 * config/rs6000/sync.md (lwsync): Emit plain sync if
1174 2006-11-17 DJ Delorie <dj@redhat.com>
1176 * reload1.c (reloads_unique_chain): New.
1177 (reloads_conflict): Call it.
1179 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1181 * config/xtensa/predicates.md (addsubx_operand): New.
1182 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1183 (xtensa_emit_bit_branch): New.
1184 (xtensa_emit_movcc): New.
1185 * config/xtensa/xtensa.md (any_minmax): New code macro.
1186 (minmax): New code attribute.
1187 (any_cond, any_scc, any_scc_sf): New code macros.
1188 (*addx2, *addx4, *addx8): Delete.
1190 (*subx2, *subx4, *subx8): Delete.
1192 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1193 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1194 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1195 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1196 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1197 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1198 (movsfcc_internal0, movsfcc_internal1): Likewise.
1199 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1200 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1201 (xtensa_emit_bit_branch): New.
1202 (xtensa_emit_movcc): New.
1203 (function_arg_boundary): Add missing prototype.
1205 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1207 * config/xtensa/xtensa.md (tstsi): Delete
1209 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1211 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1213 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1215 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1217 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1219 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1221 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1223 * tree-vrp.c (execute_vrp): Do not update current_loops.
1224 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1225 * doc/loop.texi: Remove documentation for cancelled functions.
1226 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1227 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1229 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1230 (remove_path): Ensure that in delete_basic_blocks, the loops
1231 are still allocated.
1232 (add_loop): Work on valid loop structures.
1233 (loopify): Modify call of add_loop.
1234 (mfb_update_loops): Removed.
1235 (create_preheader): Do not update loops explicitly.
1236 (force_single_succ_latches, loop_version): Do not use
1237 loop_split_edge_with.
1238 (loop_split_edge_with): Removed.
1239 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1240 Do not use bsi_insert_on_edge_immediate_loop.
1241 (split_loop_exit_edge, tree_unroll_loop): Do not use
1242 loop_split_edge_with.
1243 (bsi_insert_on_edge_immediate_loop): Removed.
1244 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1245 use loop_split_edge_with.
1246 * cfghooks.c: Include cfgloop.h.
1247 (verify_flow_info): Verify that loop_father is filled iff current_loops
1249 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1250 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1252 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1254 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1255 loop_split_edge_with.
1256 (sms_schedule): Use current_loops.
1257 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1258 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1260 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1261 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1262 * ifcvt.c (if_convert): Ditto.
1263 * predict.c (predict_loops): Do not clear current_loops.
1264 (tree_estimate_probability): Use current_loops.
1265 (propagate_freq): Receive head of the region to propagate instead of
1267 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1268 (estimate_loops): New function. Handle case current_loops == NULL.
1269 (estimate_bb_frequencies): Do not allocate tovisit. Use
1271 * tree-ssa-loop.c (current_loops): Removed.
1272 (tree_loop_optimizer_init): Do not return loops.
1273 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1274 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1275 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1276 Do not update loops explicitly.
1277 * function.h (struct function): Add x_current_loops field.
1278 (current_loops): New macro.
1279 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1280 * loop-unroll.c (split_edge_and_insert): New function.
1281 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1282 use loop_split_edge_with.
1283 * loop-doloop.c (add_test, doloop_modify): Ditto.
1284 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1285 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1286 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1287 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1289 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1290 (flow_loops_free): Do not free dfs_order and rc_order.
1291 (flow_loops_find): Do not set dfs_order and rc_order in loops
1292 structure. Do not call loops and flow info verification.
1293 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1294 already belongs to some loop.
1295 * cfgloop.h (struct loops): Remove struct cfg.
1296 (current_loops, loop_split_edge_with): Declaration removed.
1297 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1298 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1299 Declaration removed.
1300 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1301 * basic-block.h (split_edge_and_insert): Declare.
1302 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1304 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1306 PR tree-optimization/29801
1307 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1308 (get_default_value): Use get_symbol_constant_value.
1309 (set_lattice_value): ICE when the value of the constant is
1311 (visit_assignment): Ignore VDEFs of read-only variables.
1313 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1315 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1317 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1318 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1320 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1322 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1323 select subvars of var.
1325 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1328 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1329 optimize if DEF doesn't have integral type.
1331 2006-11-16 Mike Stump <mrs@apple.com>
1333 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1334 pre-darwin9 system, unless the user asks for it directly.
1335 (PREFERRED_DEBUGGING_TYPE): Likewise.
1336 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1337 * config.gcc: Add suppport for darwin9.h.
1338 * config/darwin9.h: Add.
1339 * doc/install.texi (Specific): Clarify darwin documentation.
1341 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1343 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1344 optimizing for size.
1346 2006-11-16 Mike Stump <mrs@apple.com>
1348 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1350 2006-11-16 Dirk Mueller <dmueller@suse.de>
1352 * tree-vrp.c (get_value_range): Use XCNEW instead
1354 (insert_range_assertions): Use XCNEWVEC instead
1355 of XNEWVEC and memset.
1356 (vrp_initialize): Same.
1357 (vrp_finalize): Same.
1358 * tree-ssa-ccp.c (ccp_initialize): Same.
1359 * predict.c (tree_bb_level_predictions): Same.
1360 * calls.c (expand_call): Same.
1361 * tree-ssa-copy.c (init_copy_prop): Same.
1362 (fini_copy_prop): Same.
1363 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1364 of GGC_NEW and memset.
1366 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1369 * gimplify.c (gimplify_expr): Only force a load for references to
1370 non-BLKmode volatile values.
1371 * doc/implement-c.texi (Qualifiers implementation): Document the
1372 interpretation of what a volatile access is.
1373 * doc/extend.texi (C++ Extensions): Rework same documentation.
1375 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1377 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1380 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1382 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1384 (arm_neg_abssi2): Renamed from neg_abssi2.
1385 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1387 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1389 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1390 number of arguments passed to local functions in SSE registers is 3.
1392 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1393 number of arguments passed in SSE registers to 3.
1395 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1398 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1400 (get_last_bb_insn): ... new global function.
1401 (basic_block.h): Declare it.
1402 * haifa-sched.c (create_recovery_block): Use it.
1404 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1407 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1409 2006-11-15 Paul Brook <paul@codesourcery.com>
1411 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1412 _Unwind_GetTextRelBase): Move from here ...
1413 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1414 _Unwind_GetTextRelBase): ... To here.
1416 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1418 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1419 addresses we generate for testing are aligned.
1421 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1424 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1425 to what is the const decl is a place holder for.
1427 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1429 * config/i386/i386.opt: New target option -mx87regparm.
1431 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1432 and float_in_x87 variables. mmx_words, sse_words: Remove.
1433 (X87_REGPARM_MAX): Define.
1435 * config/i386/i386.c (override_options): Error out for
1436 -mx87regparm but no 80387 support.
1437 (ix86_attribute_table): Add x87regparm.
1438 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1439 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1440 (ix86_function_x87regparm): New function.
1441 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1443 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1445 (function_arg_advance): Process x87_nregs and x87_regno when
1446 floating point argument is to be passed in 80387 register.
1447 (function_arg): Pass XFmode arguments in 80387 registers for local
1448 functions. Pass SFmode and DFmode arguments to local functions
1449 in 80387 registers when flag_unsafe_math_optimizations is set.
1451 * reg-stack.c (convert_regs_entry): Disable NaN load for
1452 stack registers that are used for argument passing.
1454 * doc/extend.texi: Document x87regparm function attribute.
1455 * doc/invoke.texi: Document -mx87regparm.
1457 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1459 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1460 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1461 arg MODE; all callers changed. Use it to determine validity per
1462 machine mode instead of using Pmode for all memory references.
1463 (get_address_cost): Likewise add and use new arg MEM_MODE.
1465 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1466 J"orn Rennecke <joern.rennecke@st.com>
1468 * combine.c (likely_spilled_retval_1): Fix masking operation.
1469 (likely_spilled_retval_p): Use proper pattern for call to
1470 likely_spilled_retval_1.
1472 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1474 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1476 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1477 that tests for CONSTANT_POOL_ADDRESS_P.
1479 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1481 PR tree-optimization/29581
1482 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1483 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1484 type is different between Y and USE, create a temporary
1485 variable, initialize it at the beginning of the body bb
1486 and use it as replacement instead of Y.
1488 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1491 * gimplify.c (fold_indirect_ref_rhs): Use
1492 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1494 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1496 * expmed.c (emit_store_flag_1): New function.
1497 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1499 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1500 Use do_compare_rtx_and_jump.
1501 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1502 * arm.md (cstoresi4): New define_expand.
1503 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1504 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1505 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1507 2006-11-14 Caroline Tice <ctice@apple.com>
1509 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1510 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1512 (pubname_table): Redefine as a vector.
1513 (pubtype_table): New static global variable, defined as a vector.
1514 (pubname_table_allocated): Remove static global variable.
1515 (pubname_table_in_use): Remove static global variable.
1516 (PUBNAME_TABLE_INCREMENT): Remove constant.
1517 (size_of_pubnames): Add parameter to deal with either pubnames or
1518 pubtypes, and change code to deal with table being a vector.
1519 (add_pubname): Change to deal with table being a vector.
1520 (add_pubtype): New function.
1521 (output_pubnames): Add parameter to deal with either pubnames or
1522 pubtypes, and change code to deal with table being a vector.
1523 (gen_array_type_die): Add call to add_pubtype.
1524 (gen_enumeration_type_die): Add call to add_pubtype.
1525 (gen_struct_or_union_type_die): Add call to add_pubtype.
1526 (gen_subroutine_type_die): Add call to add_pubtype.
1527 (gen_typedef_die): Add call to add_pubtype.
1528 (dwarf2out_init): Add code to initialize pubname_table and
1529 pubtype_table vectors; also initialize debug_pubtypes_section.
1530 (prune_unused_types): Change to deal with pubnames being a vector.
1531 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1532 pubnames table to call to output_pubnames; Add code to output pubtypes
1533 table if DEBUG_PUBTYPES_SECTION is defined.
1534 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1536 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1538 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1540 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1541 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1542 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1543 movv2si_internal): Support moves between core registers.
1545 2006-11-14 Eric Christopher <echristo@apple.com>
1547 * configure: Regenerate with autoconf 2.59.
1549 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1551 Fix PR tree-optimization/27755
1553 * tree-ssa-pre.c: Update comments.
1554 (bb_bitmap_sets): Add pa_in and deferred member.
1555 (BB_DEFERRED): New macro.
1556 (maximal_set): New variable.
1557 (pre_stats): Add pa_insert member.
1558 (bitmap_set_and): Short circuit orig == dest.
1559 (bitmap_set_subtract_values): New function.
1560 (bitmap_set_contains_expr): Ditto.
1561 (translate_vuses_through_block): Add phiblock argument.
1562 (dependent_clean): New function.
1563 (compute_antic_aux): Update for maximal_set changes.
1564 (compute_partial_antic_aux): New function.
1565 (compute_antic): Handle partial anticipation.
1566 (do_partial_partial_insertion): New function.
1567 (insert_aux): Handle partial anticipation.
1568 (add_to_sets): Add to maximal set.
1569 (compute_avail): Ditto.
1570 (init_pre): Initialize maximal_set.
1571 (execute_pre): Do partial anticipation if -O3+.
1573 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1575 PR rtl-optimization/29798
1577 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1578 TARGET_INSN before any other check.
1579 (fwprop_init): Always calculate dominators.
1580 (fwprop_done): Always free them.
1582 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1584 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1587 2006-11-13 DJ Delorie <dj@redhat.com>
1589 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1590 temporary for intermediates.
1592 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1594 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1595 (sh_optimize_target_register_callee_saved): #if 0 the code
1596 using NOTE_INSN_LOOP_{BEG,END}.
1598 2006-11-13 Roger Sayle <roger@eyesopen.com>
1600 * fold-const.c (optimize_bit_field_compare): Recursively call
1601 fold when simplifying non-constant comparisons between bit-fields.
1603 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1605 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1607 * configure: Rebuilt.
1609 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1611 * config/rs6000/cell.md: New file.
1612 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1614 (ppccell_cost): New cost matrix.
1615 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1616 (rs6000_override_options): Set rs6000_always_hint to false
1617 for cell. Also align functions/lables/loops to 8byte
1618 for the Cell. Use PROCESSOR_CELL.
1619 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1620 using_mtcr_multiple.
1621 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1622 on the Cell, return 0.
1623 (rs6000_adjust_cost): Add Cell cost adjustments.
1624 (is_microcoded_insn): Return true for Cell microcoded
1626 (is_nonpipeline_insn): New function.
1627 (rs6000_issue_rate): Add PROCESSOR_CELL.
1628 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1630 (rs6000_use_sched_lookahead_guard): New function.
1631 (rs6000_sched_reorder): Reorder the ready list, if the second
1632 to last ready insn is a nonepipeline insn on the Cell.
1633 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1634 (ASM_CPU_SPEC): Add Cell.
1635 * config/rs6000/rs6000.md (cpu): Add Cell.
1636 (cell_micro): New Attr.
1639 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1641 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1643 * configure: Rebuilt.
1645 2006-11-13 Richard Guenther <rguenther@suse.de>
1647 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1649 (ix86_expand_lfloorceil): Likewise.
1650 (ix86_expand_rint): Likewise.
1651 (ix86_expand_floorceildf_32): Likewise.
1652 (ix86_expand_floorceil): Likewise.
1653 (ix86_expand_rounddf_32): Likewise.
1654 (ix86_expand_truncdf_32): Likewise.
1655 (ix86_expand_round): Likewise.
1657 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1658 Mark Mitchell <mark@codesourcery.com>
1660 * gcc.c: Organize search path variables into $prefix relative,
1661 and well-known native. Add comments.
1662 (add_sysrooted_prefix): Add comment.
1663 (process_command): If !gcc_exec_prefix add $prefix based paths.
1664 If *cross_compile == '0', add native well-known paths.
1665 Assert tooldir_base_prefix is always relative.
1666 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1667 use this value for 'install:' path.
1668 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1670 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1672 * config/i386/i386.c: Fix a typo in comment.
1674 2006-11-13 Michael Matz <matz@suse.de>
1676 * genemit.c (gen_expand): Allocate enough memory.
1678 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1680 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1681 __GXX_TYPEINFO_EQUALITY_INLINE but not
1682 __GXX_MERGED_TYPEINFO_NAMES.
1683 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1684 __GXX_MERGED_TYPEINFO_NAMES.
1685 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1686 __GXX_TYPEINFO_EQUALITY_INLINE.
1688 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1689 Zdenek Dvorak <dvorakz@suse.cz>
1691 PR tree-optimization/29680
1692 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1695 2006-11-12 Jason Merrill <jason@redhat.com>
1696 Andrew Pinski <pinskia@physics.uc.edu>
1699 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1701 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1703 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1704 * tree.c (build_vector): Handle non-_CST elements.
1706 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1708 * genemit.c (gen_insn): Call gen_exp with a non-null used
1709 when handling multiple insns.
1710 (gen_expand): Likewise.
1711 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1712 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1713 (movsi_const_16bit+1): Copy operands[1].
1714 (call_pcrel): Copy the call_site pattern.
1715 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1717 2006-11-12 Roger Sayle <roger@eyesopen.com>
1719 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1720 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1721 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1722 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1724 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1726 Fix PR tree-optimization/29587
1727 * tree-ssa-structalias.c (process_constraint): Don't
1728 mark address taken due only to escaped vars constraint.
1730 2006-11-12 Michael Matz <matz@suse.de>
1731 Roger Sayle <roger@eyesopen.com>
1733 PR rtl-optimization/29797
1734 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1735 BITS_BIG_ENDIAN targets.
1737 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1739 * builtins.c (fold_builtin_cosh): New.
1740 (fold_builtin_1): Use it.
1741 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1742 trunc to the list of "odd" functions. Also add llrint, lrint,
1743 rint and nearbyint when flag_rounding_math is false.
1745 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1747 * tree-flow.h (name_mappings_registered_p): Declare.
1748 * tree-into-ssa.c (name_mappings_registered_p): New function.
1749 * tree-cfg.c (tree_can_merge_blocks_p): Check
1750 name_mappings_registered_p instead of need_ssa_update_p.
1752 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1754 * tree-ssa-loop.c (tree_vectorize): Return the result of
1756 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1757 if anything changed.
1758 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1759 * tree-flow.h (vectorize_loops): Declaration changed.
1761 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1763 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1765 (issue_prefetch_ref): Move assignment to write_p out of loop.
1766 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1767 SIMULTANEOUS_PREFETCHES into account.
1768 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1769 * lambda-code.c (lcm): Renamed to ...
1770 (least_common_multiple): ... and exported.
1771 * tree-flow.h (least_common_multiple): Declare.
1773 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1775 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1776 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1777 ud-chains. Handle AND_EXPR.
1778 (record_estimate): Record whether the estimate is realistic
1779 and whether it is derived from a loop exit.
1780 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1781 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1783 (compute_estimated_nb_iterations): Take only realistic bounds into
1784 account. Set estimate_state. Use double_ints.
1785 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1786 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1787 that do not have to be always executed.
1788 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1789 to determine whether to call infer_loop_bounds_from_undefined
1790 and compute_estimated_nb_iterations.
1791 (n_of_executions_at_most): Use double_ints.
1792 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1793 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1794 * double-int.c (double_int_to_tree): Improve comment.
1795 (double_int_fits_to_tree_p): New function.
1796 * double-int.h (double_int_fits_to_tree_p): Declare.
1797 * tree-data-ref.c: Include langhooks.h.
1798 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1799 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1800 (analyze_array): Do not pass estimate_only argument to
1801 analyze_array_indexes.
1802 (get_number_of_iters_for_loop): Build tree from the stored double_int
1804 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1805 (find_data_references_in_loop): Use find_data_references_in_stmt.
1806 * tree-data-ref.h (struct data_ref_loc_d): New.
1807 (get_references_in_stmt): Declare.
1808 (estimate_iters_using_array): Declaration removed.
1809 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1810 double_int. Improve comments. Add is_exit and realistic
1812 (struct loop): Changed type of estimated_nb_iterations to double_int.
1813 Added estimate_state field.
1814 (record_estimate): Declaration removed.
1816 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1818 * params.c (set_param_value): Initialize the "set" field.
1819 * params.h (struct param_info): Add "set" field.
1820 (PARAM_SET_P): New macro.
1821 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1822 L1_CACHE_LINE_SIZE): New macros.
1823 * toplev.c (DEFPARAM): Initialize the "set" field.
1824 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1825 SIMULTANEOUS_PREFETCHES): Removed.
1826 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1827 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1828 * config/sparc/sparc.c: Include params.h.
1829 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1830 L1_CACHE_LINE_SIZE parameters.
1831 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1833 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1835 * config/i386/i386.c: Include params.h.
1836 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1837 (override_options): Set SIMULTANEOUS_PREFETCHES and
1838 L1_CACHE_LINE_SIZE parameters.
1839 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1840 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1841 L1_CACHE_LINE_SIZE parameters.
1842 * config/ia64/ia64.c (ia64_optimization_options): Set
1843 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1844 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1846 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1847 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1848 * doc/invoke.texi: Document new params.
1850 2006-11-12 Roger Sayle <roger@eyesopen.com>
1852 PR tree-optimization/13827
1853 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1856 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1858 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1859 update_single_exit_for_duplicated_loops): New functions.
1860 (duplicate_loop_to_header_edge): Use
1861 update_single_exit_for_duplicated_loops.
1862 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1863 functions only with ENABLE_CHECKING.
1865 2006-11-12 Andreas Schwab <schwab@suse.de>
1867 * except.c (sjlj_emit_function_enter): Remove unused variable.
1869 2006-11-11 Roger Sayle <roger@eyesopen.com>
1871 * fold-const.c (int_binop_types_match_p): New function.
1872 (size_binop): Relax constraint that both arguments must both have
1873 exactly the same sizetype type. Instead use int_binop_types_match_p.
1874 (size_diffop): Likewise.
1876 (make_range): Use build_int_cst instead of fold_convert.
1877 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1878 integer constants of the correct type.
1879 (fold_div_compare): Likewise.
1880 (fold_single_bit_test): Likewise.
1881 (fold_binary): Likewise.
1882 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1883 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1885 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1888 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1889 non null value if the struct memory access is in the 0th
1892 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1895 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1896 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1899 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1900 instead of builtin_define for bfin and BFIN.
1902 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1904 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1907 2006-11-11 Jan Hubicka <jh@suse.cz>
1909 * extend.texi (__builtin_expect): We no longer require second argument
1911 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1912 * builtins.c (expand_builtin_expect): Simplify.
1913 (expand_builtin_expect_jump): Kill.
1914 * final.c (final_scan_insn): Do not skip the removed notes.
1915 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1916 EXPECTED_VALUE): Remove.
1917 * dojump.c (do_jump): Do not care about __builtin_expect.
1918 * predict.c (expected_value_to_br_prob): Kill.
1919 * function.c (expand_function_end): Do not expand
1920 NOTE_INSN_REPEATED_LINE_NUMBER.
1921 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1922 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1923 * cfgexpand.c (add_reg_br_prob_note): Export.
1924 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1925 expected_value_to_br_prob.
1926 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1927 * rtl.h (add_reg_br_prob_note): Declare.
1929 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1931 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1933 2006-11-11 Jan Hubicka <jh@suse.cz>
1935 * predict.c (predict_loops): Kill RTL variant.
1937 2006-11-11 Jan Hubicka <jh@suse.cz>
1939 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1940 * modulo-sched.c (find_line_note): Remove.
1941 (loop_canon_p): Do not worry about line number notes.
1942 (sms_schedule): Likewise.
1943 * cse.c (cse_main): Likewise.
1944 * regmove.c (fixup_match_1): Likewise
1945 * function.c (emit_return_info_block): Likewise.
1946 (expand_function_end): Likewise.
1947 (thread_prologue_an_epilogue_insns): Likewise.
1948 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1950 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1951 emit_note_copy_after): Kill.
1952 (emit_note_copy): Do not worry about line numbers.
1953 * jump.c (purge_line_number_notes): Kill.
1954 (pass_purge_lineno_notes): Kill.
1955 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
1957 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
1958 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
1959 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
1960 * tree-pass.h (pass_purge_lineno_notes): Kill.
1961 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
1962 rm_redundant_line_notes.
1963 * sched-rgb.c (schedule_region): Don't rm_line_notes,
1964 rm_redundant_line_notes.
1965 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
1966 * haifa-sched.c: Update comment about handling notes.
1967 (unlink_line_notes): Kill.
1968 (rm_line_notes): Kill.
1969 (save_line_notes): Simplify.
1970 (rm_redundant_line_notes): Kill.
1972 2006-11-11 Richard Guenther <rguenther@suse.de>
1974 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
1975 Remove unused tree codes.
1976 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
1977 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
1978 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
1979 * tree.c (stabilize_reference): Likewise.
1980 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
1981 fold_unary): Likewise.
1982 * tree-gimple.c (is_gimple_cast): Likewise.
1983 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
1984 * expr.c (expand_expr_real_1): Likewise.
1985 * tree-eh.c (tree_could_trap_p): Likewise.
1986 * gimplify.c (gimplify_expr): Likewise.
1987 * tree-inline.c (estimate_num_insns_1): Likewise.
1988 * tree-cfg.c (verify_expr): Likewise.
1990 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
1992 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
1993 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
1994 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
1996 2006-11-11 Richard Sandiford <richard@codesourcery.com>
1999 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2000 constraints accept neither registers or memories.
2002 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2004 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2005 (NO_PROFILE_COUNTERS): Define as 1.
2007 2006-11-10 Roger Sayle <roger@eyesopen.com>
2009 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2010 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2012 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2014 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2016 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2018 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2019 (fold_builtin_hypot): Likewise.
2020 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2022 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2024 2006-11-10 Roger Sayle <roger@eyesopen.com>
2026 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2027 when attempting to build INTEGER_CSTs of non-integral types.
2028 * expmed.c (make_tree): Use the correct type, i.e. the inner
2029 type, when constructing the individual elements of a CONST_VECTOR.
2031 2006-11-10 Jan Hubicka <jh@suse.cz>
2033 * cse.c (cse_process_notes): Copy the propagated value.
2034 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2036 * gcse.c (try_replace_reg): Copy the replacement.
2037 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2038 (assign_386_stack_local): Always return copied memory expression
2039 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2042 2006-11-10 Jan Hubicka <jh@suse.cz>
2044 * final.c (final): Walk from first instruction.
2045 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2047 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2050 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2052 (umulv8hi3_highpart): Ditto.
2053 (vec_widen_smult_hi_v8hi): New expander.
2054 (vec_widen_smult_lo_v8hi): Ditto.
2056 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2059 * builtins.c (do_mpfr_arg3): New.
2060 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2062 2006-11-09 Eric Christopher <echristo@apple.com>
2067 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2068 * config.gcc (powerpc64-*-darwin*): New target.
2069 * config.host: Ditto.
2070 * config/rs6000/darwin64.h: New file.
2071 * config/rs6000/x-darwin64: Ditto.
2072 * config/rs6000/host-ppc64-darwin.c: Ditto.
2074 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2076 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2077 routines for integer division.
2079 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2081 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2083 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2086 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2088 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2090 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2091 simplify_subreg with BLKmode outer mode.
2093 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2095 * doc/invoke.texi: Minor formatting fixes in option lists.
2097 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2099 PR tree-optimization/29738
2100 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2101 (ccp_lattice_t): Remove UNKNOWN_VAL.
2102 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2103 Do not handle UNKNOWN_VAL.
2104 (get_default_value): Set initial value of virtual operands to
2106 (get_value): Always use get_default_value on uninitialized
2108 (set_value_varying, surely_varying_stmt_p): New functions.
2109 (set_lattice_value): Do not pass argument to get_value.
2110 Do not handle UNKNOWN_VAL.
2111 (likely_value): Follow the semantics described in the comment.
2112 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2113 phi nodes DONT_SIMULATE_AGAIN.
2114 (ccp_fold): Do not pass argument to get_value.
2115 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2118 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2120 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2121 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2123 2006-11-08 Roger Sayle <roger@eyesopen.com>
2125 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2126 test for inclusion rather than as a test for exclusion.
2127 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2128 the condition after calling fold_binary.
2129 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2130 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2131 * builtins.c (fold_builtin_isascii): Likewise.
2132 (fold_builtin_isdigit): Likewise.
2134 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2136 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2137 * configure: Regenerate.
2139 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2141 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2142 enum argument instead of bool.
2143 (vect_analyze_operations): Call vectorizable_type_promotion.
2144 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2145 stmt_vec_info_type value.
2146 (supportable_widening_operation, vectorizable_type_promotion): New
2147 function declarations.
2148 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2149 (vectorizable_type_promotion): New function.
2150 (vect_transform_stmt): Call vectorizable_type_promotion.
2151 * tree-vect-analyze.c (supportable_widening_operation): New function.
2152 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2154 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2157 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2158 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2159 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2161 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2162 * expr.c (expand_expr_real_1): Likewise.
2163 * optabs.c (optab_for_tree_code): Likewise.
2164 (init_optabs): Initialize new optabs.
2165 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2166 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2167 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2168 vec_unpacku_lo_optab): Initialize new optabs.
2169 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2170 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2171 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2173 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2174 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2175 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2176 (vec_unpacku_lo_optab): New optabs.
2177 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2178 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2179 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2180 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2181 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2182 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2184 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2185 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2186 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2187 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2188 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2189 implement the unsigned unpacking patterns.
2190 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2191 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2192 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2193 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2194 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2195 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2196 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2197 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2198 multiplication patterns.
2200 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2201 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2202 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2203 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2204 (rs6000_builtin_mul_widen_odd): New.
2205 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2206 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2207 * tree-vectorizer.h (enum vect_relevant): New enum type.
2208 (_stmt_vec_info): Field relevant chaned from bool to enum
2210 (STMT_VINFO_RELEVANT_P): Updated.
2211 (STMT_VINFO_RELEVANT): New.
2212 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2213 instead of STMT_VINFO_RELEVANT_P.
2214 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2215 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2216 and boolean variable with enum vect_relevant.
2217 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2218 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2219 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2221 2006-11-08 Richard Henderson <rth@redhat.com>
2223 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2224 vec_widen_umult_lo_v8hi): New.
2225 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2226 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2228 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2229 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2230 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2231 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2232 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2233 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2234 vec_unpacks_lo_v4si): New.
2236 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2238 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2239 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2240 (vect_analyze_operations): Call vectorizable_type_demotion.
2241 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2242 stmt_vec_info_type value.
2243 (vectorizable_type_demotion): New function declaration.
2244 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2247 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2248 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2250 * tree-iniline.c (estimate_num_insns_1): Likewise.
2251 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2252 * optabs.c (optab_for_tree_code): Likewise.
2254 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2255 compared against the predicate of the result is not 'mode' (the input
2256 to the function) but a mode with half the size of 'mode'.
2257 (init_optab): Initialize new optabs.
2258 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2260 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2262 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2263 (vec_pack_usat_optab): Initialize new optabs.
2264 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2265 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2267 2006-11-08 Richard Henderson <rth@redehat.com>
2269 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2270 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2271 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2272 (vec_interleave_highv4si, vec_interleave_lowv4si):
2273 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2275 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2277 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2279 (vect_transform_stmt): Removed redundant code.
2281 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2283 * tree-vect-transform.c (vectorizable_operation): Support multiple
2286 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2288 * tree-vect-transform.c (vect_align_data_ref): Removed.
2289 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2290 Updated function documentation. Return the increment stmt in ptr_incr.
2291 (bump_vector_ptr): New function.
2292 (vect_get_vec_def_for_stmt_copy): New function.
2293 (vect_finish_stmt_generation): Create a stmt_info to newly created
2295 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2297 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2298 VF is greater than the number of elements that can fit in one vector
2300 (vectorizable_operation, vectorizable_condition): Likewise.
2301 (vectorizable_store, vectorizable_load): Support the case that the VF
2302 is greater than the number of elements that can fit in one vector word.
2303 (vect_transform_loop): Don't fail in case of multiple data-types.
2304 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2305 in case of multiple data-types; the smallest type determines the VF.
2306 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2307 if they are of different sizes.
2308 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2309 number of elements rather than number of bytes.
2310 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2311 (vect_can_advance_ivs_p): Fix a dump printout
2313 2006-11-07 Eric Christopher <echristo@apple.com>
2315 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2316 (__bswapsi2): Ditto.
2317 * libgcc2.h: Remove transformation of bswap routines.
2318 * config/i386/i386.md (bswapsi2): New.
2321 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2323 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2324 (handle_gnu_inline_attribute): New function.
2325 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2326 (merge_decls, start_decl, start_function): Likewise.
2327 * doc/extend.texi: Document gnu_inline attribute.
2329 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2332 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2333 _fixunstfdi, and _floatditf
2335 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2337 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2339 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2340 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2341 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2342 which start in an odd register.
2344 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2346 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2348 2006-11-07 Josh Conner <jconner@apple.com>
2350 * doc/invoke.texi (fstrict-aliasing): Move implementation
2352 * doc/tree-ssa.texi (Alias analysis): ...here.
2354 2006-11-07 Richard Guenther <rguenther@suse.de>
2356 PR tree-optimization/29610
2357 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2358 of tree_purge_dead_eh_edges as it may free dominators.
2360 * g++.dg/other/pr29610.C: New testcase.
2362 2006-11-07 David Ung <davidu@mips.com>
2364 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2365 costs when optimizing for size.
2366 (override_options): Use mips_rtx_cost_optimize_size table for cost
2369 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2371 * gcc.c (process_command): Treat -b as normal switch if its argument
2374 2006-11-07 David Ung <davidu@mips.com>
2376 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2379 2006-11-06 Eric Christopher <echristo@apple.com>
2381 * config.gcc: Add x86_64-darwin host support.
2382 * config.host: Ditto.
2383 * config/i386/darwin64.h: New file.
2384 * config/i386/t-darwin64: Ditto.
2386 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2388 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2389 and output-exists-not.
2391 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2394 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2395 checking for overflow.
2397 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2399 * configure.ac: Fixed typo in case statement: :: changed to ;;
2401 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2403 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2404 count_leading_zeros, and count_trailing_zeros.
2405 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2406 (TARGET_FOLD_BUILTIN): Define.
2407 (TARGET_EXPAND_BUILTIN): Define.
2408 (xtensa_init_builtins): New.
2409 (xtensa_fold_builtin): New.
2410 (xtensa_expand_builtin): New.
2411 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2412 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2413 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2414 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2415 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2416 (any_extend): New code macro.
2417 (u, su): New code attributes.
2418 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2419 (nsau): Remove; replaced by clzsi2.
2420 (ffssi2): Use clzsi2.
2421 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2422 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2423 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2424 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2425 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2427 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2429 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2431 * config/arm/t-strongarm-elf: Likewise.
2432 * config/arm/t-pe: Likewise.
2433 * config/arm/t-arm-elf: Likewise.
2434 * config/arm/t-xscale-elf: Likewise.
2435 * config/arm/t-arm-coff: Likewise.
2436 * config/arm/t-xscale-coff: Likewise.
2437 * config/arm/t-wince-pe: Likewise.
2439 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2441 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2444 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2447 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2450 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2453 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2454 as a valid 80387 constant.
2455 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2456 * config/i386/i386.md (unnamed splitter): Split the load of
2457 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2460 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2462 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2463 from the soft-frame, argument and virtual registers.
2465 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2467 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2468 patterns for standard 80387 constants.
2470 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2471 Steven Bosscher <steven@gcc.gnu.org>
2473 * fwprop.c: New file.
2474 * Makefile.in: Add fwprop.o.
2475 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2476 * passes.c (init_optimization_passes): Schedule forward propagation.
2477 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2479 * timevar.def (TV_FWPROP): New.
2480 * common.opt (-fforward-propagate): New.
2481 * opts.c (decode_options): Enable forward propagation at -O2.
2482 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2483 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2484 canon_for_address, table_size): Remove.
2485 (new_basic_block, insert, remove_from_table): Remove references to
2487 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2488 simplification loop more straightforward by not calling fold_rtx
2490 (equiv_constant): Move here a small part of fold_rtx_subreg,
2491 do not call fold_rtx. Call avoid_constant_pool_reference
2493 * recog.h (canonicalize_change_group): New.
2495 * doc/invoke.texi (Optimization Options): Document fwprop.
2496 * doc/passes.texi (RTL passes): Document fwprop.
2498 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2500 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2501 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2502 (grokdeclarator): Likewise.
2504 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2506 * tree-dump.c (dump_enable_all): Rename local variable
2507 ir_type to avoid name conflicts.
2508 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2509 instead of using ir_type().
2510 * profile.c (tree_register_profile_hooks): Likewise.
2511 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2512 * basic-block.h (struct edge_def): Likewise.
2513 * config/arm/arm.c (legitimize_pic_address): Likewise.
2514 * coretypes.h (ir_type): New enum of all intermediate languages
2516 * cfghooks.c (ir_type): Rename to...
2517 (current_ir_type): ...this. Distinguish between cfgrtl and
2518 cfglayout mode when the current IR is RTL. Return enum ir_type.
2519 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2521 2006-11-03 Paul Brook <paul@codesourcery.com>
2523 * config/arm/arm.c (arm_file_start): New function.
2524 (TARGET_ASM_FILE_START): Define.
2525 (arm_default_cpu): New variable.
2526 (arm_override_options): Set arm_default_cpu.
2528 2006-11-03 David Ung <davidu@mips.com>
2530 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2531 PROCESSOR_24KC and PROCESSOR_24KF.
2532 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2533 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2534 (mips_rtx_cost_data): Add costs for the 24kc.
2535 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2536 * config/mips/24k.md: Remove references to 24k and replace with
2537 uses of 24kc/24kf in the appropriate reservations.
2538 * doc/invoke.texi (MIPS Options): Updated.
2540 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2542 * config/sh/crt1.asm: Fix #ifdef indent.
2544 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2545 Merged from STMicroelectronics sources:
2546 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2547 * config/sh/crt1.asm (vbr_600): Add missing #if.
2548 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2549 * sh.opt (mfused-madd): New option.
2550 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2551 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2552 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2553 Remove pointless handler at VBR+0.
2554 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2555 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2556 fr7. Make sure the timer handler is called with the correct FPU
2557 precision setting, according to the ABI.
2558 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2559 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2560 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2561 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2562 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2563 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2564 zero as second operand.
2565 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2566 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2567 Fixed some bugs related to negative values, in particular -0
2568 and overflow at -0x80000000.
2569 * config/sh/divcost-analysis: Added sh4-300 figures.
2570 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2571 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2572 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2573 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2574 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2575 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2577 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2579 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2580 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2581 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2582 mac_mem, mem_mac, dfp_mul, fp_cmp.
2583 (insn_class, dfp_comp, any_fp_comp): Update.
2584 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2585 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2586 (muldf3_i): Likewise.
2587 (movsi_i): Split rI08 alternative into two separate alternatives.
2589 (movsi_ie, movsi_i_lowpart): Likewise.
2590 (movqi_i): Split ri alternative into two separate alternatives.
2592 * sh1.md (sh1_load_store, sh1_fp): Update.
2593 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2594 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2595 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2596 (sh4a_fp_double_arith): Likewise.
2597 * sh4-300.md: New file.
2598 * sh.c (sh_handle_option): Handle m4-300* options.
2599 (sh_adjust_cost): Fix latency of auto-increments.
2600 Handle SH4-300 differently than other SH4s. Check for new insn types.
2601 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2602 been set by an option.
2603 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2604 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2605 (mbranch-cost=): Likewise.
2606 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2608 * sh.md (mulsf3): Remove special expansion code.
2609 (mulsf3_ie): Now a define_insn_and_split.
2610 (macsf3): Allow for TARGET_SH4.
2612 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2613 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2614 (expand_cbranchdi4): Likewise.
2615 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2616 CONST_DOUBLE if the outer code is COMPARE.
2617 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2618 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2619 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2620 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2621 Remove redundant fp_{zero,one}_operand checks.
2622 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2623 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2624 (expand_cbranchdi4): Likewise.
2625 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2626 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2628 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2630 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2633 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2635 * doc/invoke.texi: Fix mfp-trap-mode typo.
2637 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2639 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2640 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2641 file_end_indicate_exec_stack.
2642 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2644 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2645 for a non-executable stack.
2646 * crti.asm: Likewise.
2647 * crtn.asm: Likewise.
2648 * libunwind.S: Likewise.
2650 2006-11-02 Ben Elliston <bje@au.ibm.com>
2652 * tree-ssa.c (warn_uninit): Use expand_location variables for
2653 locus and declaration locus.
2655 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2658 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2659 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2660 cmp{eq,gt,gtu}{si,di}_media.
2661 (*cmpne0si_media): Remove.
2662 (*movsicc_umin): Adjust gen_cmp*_media call.
2663 (unordered): Change the mode of unordered and operands[1] to
2665 (seq): Adjust gen_cmp*_media calls. Make the mode of
2666 a temporary result of compare SImode if needed. If the mode
2667 of operands[0] is DImode, extend the temporary result to DImode.
2668 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2669 (sunorderd): Change the mode of match_operand and unorderd to
2671 (cmpeq{sf,df}_media): Remove.
2672 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2673 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2674 and compare operation to SImode.
2676 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2678 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2680 (sparc64-sun-solaris2*): Likewise.
2682 2006-11-02 Paul Brook <paul@codesourcery.com>
2684 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2685 from priority argument. Use different section for non-default
2687 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2689 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2692 * except.c (switch_to_exception_section): Do not cache the section
2693 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2694 and flag_function_sections is set.
2696 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2699 * builtins.c (do_mpfr_sincos): New.
2700 (fold_builtin_1): Use it to fold builtin sincos.
2702 2006-11-01 Roger Sayle <roger@eyesopen.com>
2704 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2705 it into -D_REENTRANT.
2707 2006-11-01 Roger Sayle <roger@eyesopen.com>
2709 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2710 whether the assembler supports taking the difference of symbols in
2711 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2712 * configure: Regenerate.
2713 * config.in: Regenerate.
2714 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2715 the assembler doesn't support taking the difference of symbols in
2716 different sections, i.e. we're using the native solaris assembler.
2718 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2719 Peter Bergner <bergner@vnet.ibm.com>
2721 * doc/invoke.texi: Add cpu_type power6x
2722 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2723 * config.gcc: Add cpu_type power6x.
2724 * configure.ac: Add test for mf{t,f}gpr instructions.
2725 (HAVE_AS_MFPGPR): New.
2726 * config.in: Regenerate.
2727 * configure: Regenerate.
2728 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2729 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2730 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2731 and mftgpr attributes.
2732 (define_attr "cpu"): Add power6.
2733 Change instruction sequences to use new attributes.
2734 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2735 (fix_truncdfsi2_mfpgpr): New.
2736 (floatsidf_ppc64_mfpgpr): New.
2737 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2738 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2739 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2740 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2741 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2742 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2743 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2744 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2745 cntlz,exts and var_delayed_compare.
2746 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2747 _ARCH_PWR6X, if features enabled.
2748 * config/rs6000/rs6000.opt (mmfpgpr): New.
2749 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2750 (cached_can_issue_more): New variable.
2751 (processor_costs): Add power6_cost.
2752 (rs6000_sched_init): New function.
2753 (is_dispatch_slot_restricted): Deleted.
2754 (set_to_load_agen): New function.
2755 (is_load_insn,is_store_insn): New functions.
2756 (adjacent_mem_locations): New function.
2757 (insn_must_be_first_in_group): New function.
2758 (insn_must_be_last_in_group): New function.
2759 (rs6000_sched_reorder): New function.
2760 (rs6000_sched_reorder2): New function.
2761 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2762 TARGET_SCHED_REORDER2): Define.
2763 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2764 Add power6x. Add MASK_MFPGPR for power6x.
2765 (POWERPC_MASKS): Add MASK_MFPGPR.
2766 (rs6000_override_options): Set rs6000_always_hint to false
2767 for power6. Set rs6000_align_branch_targets. Replace
2768 rs6000_sched_groups check with rs6000_align_branch_targets.
2769 Use PROCESSOR_POWER6.
2770 (last_scheduled_insn): New variable.
2771 (load_store_pendulum): New variable.
2772 (rs6000_variable_issue): Set last_scheduled_insn and
2773 cached_can_issue_more.
2774 (rs6000_adjust_cost): Add power6 cost adjustments.
2775 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2776 with insn_must_be_first_in_group. Add power6 priority adjustments.
2777 (rs6000_issue_rate): Add CPU_POWER6.
2778 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2779 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2780 (TARGET_MFPGPR): New.
2781 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2782 (ASM_CPU_SPEC): Add power6x.
2783 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2785 * config/rs6000/power6.md: New file.
2787 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2789 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2790 HOST_WIDE_INT_PRINT to print high and low parts. Use
2791 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2792 printing a hexadecimal number prefix it with 0x.
2794 2006-11-01 Chris Johns <chris@contemporary.net.au>
2797 * Makefile.in (install-driver): Use exeext when installing
2798 $target-gcc-$version.
2800 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2802 * c-common.c (flag_cpp0x): New.
2803 * c-common.h (flag_cpp0x): New.
2804 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2805 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2806 * c-opts.c (set_std_cxx0x): New.
2807 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2808 * c.opt (std=c++0x): Document.
2809 (std=gnu++0x): Ditto.
2810 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2811 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2813 2006-11-01 Richard Guenther <rguenther@suse.de>
2815 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2817 (ix86_expand_floorceildf_32): Likewise.
2818 (ix86_expand_floorceil): Likewise.
2819 (ix86_expand_trunc): Likewise.
2821 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2823 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2826 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2828 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2830 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2832 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2834 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2835 * configure.ac (use_cxa_atexit): As a special case, don't test
2836 for libc definition of __cxa_atexit on mingw32
2837 * configure: Regenerate.
2838 * config.gcc (i[34567]86-pc-mingw32): Default to
2839 enable__cxa_atexit=yes.
2841 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2843 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2845 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2848 * c-decl.c (start_struct): Don't create self-containing
2850 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2852 * config/rs6000/rs6000-protos.h
2853 (darwin_rs6000_special_round_type_align): New.
2854 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2855 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2857 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2859 * toplev.c (compile_file): Call final_write_globals
2860 even if there have been errors.
2862 2006-10-31 Eric Christopher <echristo@apple.com>
2863 Falk Hueffner <falk@debian.org>
2865 * doc/extend.texi (__builtin_bswap32): Document.
2866 (__builtin_bswap64): Ditto.
2867 * doc/libgcc.texi (bswapsi2): Document.
2869 * doc/rtl.texi (bswap): Document.
2870 * optabs.c (expand_unop): Don't widen a bswap.
2871 (init_optabs): Init bswap. Set libfuncs explicitly
2872 for bswapsi2 and bswapdi2.
2873 * optabs.h (OTI_bswap): New.
2874 (bswap_optab): Ditto.
2875 * genopinit.c (optabs): Handle bswap_optab.
2876 * tree.h (tree_index): Add TI_UINT32_TYPE and
2878 (uint32_type_node): New.
2879 (uint64_type_node): Ditto.
2880 * tree.c (build_common_tree_nodes_2): Initialize
2881 uint32_type_node and uint64_type_node.
2882 * builtins.c (expand_builtin_bswap): New.
2883 (expand_builtin): Call.
2884 (fold_builtin_bswap): New.
2885 (fold_builtin_1): Call.
2886 * fold-const.c (tree_expr_nonnegative_p): Return true
2888 * builtin-types.def (BT_UINT32): New.
2890 (BT_FN_UINT32_UINT32): Ditto.
2891 (BT_FN_UINT64_UINT64): Ditto.
2892 * builtins.def (BUILT_IN_BSWAP32): New.
2893 (BUILT_IN_BSWAP64): Ditto.
2894 * rtl.def (BSWAP): New.
2895 * genattrtab.c (check_attr_value): New.
2896 * libgcc2.c (__bswapSI2): New.
2897 (__bswapDI2): Ditto.
2898 * libgcc2.h (__bswapSI2): Declare.
2899 (__bswapDI2): Ditto.
2900 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2901 * simplify-rtx.c (simplify_const_unary_operation): Return
2903 * libgcc-std.ver (__bwapsi2): Add.
2904 (__bswapdi2): Ditto.
2905 * reload1.c (eliminate_regs_1): Add bswap.
2906 (elimination_effects): Ditto.
2907 * config/i386/i386.h (x86_bswap): New.
2908 (TARGET_BSWAP): Use.
2909 * config/i386/i386.c (x86_bswap): Set.
2911 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2913 * coverage.c (coverage_checksum_string): Update comment.
2914 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2915 of get_file_function_name.
2916 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2917 of get_file_function_name_long.
2918 * tree.c (get_file_function_name): Rename from
2919 get_file_function_name_long; improve comment; handle 'I' and 'D'
2920 specially when the target has ctor/dtor support; remove special
2922 (get_file_function_name): Remove.
2923 * tree.h (get_file_function_name): Rename from
2924 get_file_function_name_long.
2925 (get_file_function_name): Remove prototype.
2927 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2929 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2930 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2932 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2933 Call dsymutil when compiling and linking one or more source files
2936 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2939 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2941 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2943 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2944 inline static functions in c99 mode.
2947 * doc/extend.texi (Inline): Update.
2948 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2949 * c-decl.c (current_extern_inline): Delete.
2950 (pop_scope): Adjust test for an undefined nested function.
2951 Add warning about undeclared inline function.
2952 (diagnose_mismatched_decls): Update comments. Disallow overriding
2953 of inline functions in a translation unit in C99. Allow inline
2954 declarations in C99 at any time.
2955 (merge_decls): Boolize variables. Handle C99 'extern inline'
2957 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
2958 C99 inline semantics.
2959 (start_function): Don't clear current_extern_inline. Don't set
2961 (c_push_function_context): Don't push current_extern_inline.
2962 (c_pop_function_context): Don't restore current_extern_inline.
2965 * c-typeck.c (build_external_ref): Warn about static variables
2966 used in extern inline functions.
2967 * c-decl.c (start_decl): Warn about static variables declared
2968 in extern inline functions.
2970 2006-10-31 Roger Sayle <roger@eyesopen.com>
2973 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
2974 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
2975 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
2976 or y is an even integer.
2978 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
2981 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
2982 * gthr-posix95.h (__gthread_active_p): Likewise.
2984 2006-10-31 Richard Guenther <rguenther@suse.de>
2986 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
2987 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
2988 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
2989 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
2990 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
2991 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
2992 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
2993 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
2996 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
2998 * opts.c (decode_options): Disable CSE skip blocks.
3000 2006-10-30 Dirk Mueller <dmueller@suse.de>
3002 * c-common.h (strict_aliasing_warning): Fix whitespace.
3003 * c-decl (start_function): Move code for main decl warning ..
3004 * c-common.c (check_main_parameter_types): .. here.
3005 * c-common.h (check_main_parameter_types): Declare.
3007 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3010 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3012 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3014 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3015 be a PARALLEL containing sets. Return false when out_pat is not
3018 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3020 * config/mips/mips.md (mul<mode>3): Split into...
3021 (mulsi3, muldi3): ...these separate patterns.
3023 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3025 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3026 but with each set of options separated by spaces.
3028 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3030 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3031 dwarf_reg_size_table has been initialized.
3033 2006-10-30 Roger Sayle <roger@eyesopen.com>
3035 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3036 * ddg.c (print_ddg_edge): Likewise.
3037 * dwarf2out.c (prune_unused_types_walk): Likewise.
3038 * ifcvt.c (noce_try_cmove_arith): Likewise.
3039 * langhooks.c (add_builtin_function): Likewise.
3040 * reg-stack.c (subst_stack_regs_pat): Likewise.
3041 * tree.c (expanded_location): Likewise.
3042 * tree-dump.c (dequeue_and_dump): Likewise.
3044 2006-10-30 David Daney <ddaney@avtrex.com>
3046 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3048 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3050 PR tree-optimization/29637
3051 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3052 of the innertype is the innertype itself.
3054 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3056 * dwarf2out.c (file_name_acquire): Correct typo.
3058 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3060 * tree.h (tree_value_handle): Remove struct value_set declaration.
3061 Change value_set to bitmap_set.
3062 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3063 * tree-vn.c (get_value_handle): Made inline and moved to
3065 * tree-flow-inline.h: (has_stmt_ann): New function.
3066 * tree-ssa-pre.c (expressions): New variable.
3067 (next_expression_id): Ditto.
3068 (alloc_expression_id): New function.
3069 (struct value_set): Remove.
3070 (get_expression_id): New function.
3071 (get_or_alloc_expression_id): Ditto.
3072 (expression_for_id): Ditto.
3073 (clear_expression_ids): Ditto.
3074 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3075 (bb_value_sets): Renamed to bb_bitmap_sets.
3076 All value sets replaced with bitmap_sets.
3078 (BB_VISITED): New macro.
3079 (postorder): New variable.
3080 (add_to_value): Removed.
3081 (value_exists_in_set_bitmap): Ditto.
3082 (value_insert_into_set_bitmap): Ditto.
3085 (set_remove): Ditto.
3086 (set_contains_value): Ditto.
3087 (insert_into_set): Ditto.
3089 (find_leader): Ditto.
3090 (bitmap_set_subtract_from_value_set): Ditto.
3091 (value_insert_into_set): Ditto.
3092 (print_value_set): Ditto.
3093 (debug_value_set): Ditto.
3094 (constant_expr_p): New function.
3095 (bitmap_remove_from_set): Ditto.
3096 (bitmap_insert_into_set): Ditto.
3097 (bitmap_set_free): Ditto.
3098 (vh_compare): Ditto.
3099 (sorted_array_from_bitmap_set): Ditto.
3100 (bitmap_set_subtract): Ditto.
3101 (bitmap_set_equal): Ditto.
3102 (debug_bitmap_set): Ditto.
3103 (find_leader_in_sets): Ditto.
3104 (bitmap_set_replace_value): Modify for bitmapped sets.
3105 (phi_translate): Ditto.
3106 (phi_translate_set): Ditto.
3107 (bitmap_find_leader): Ditto.
3108 (valid_in_sets): Ditto.
3109 (union_contains_value): Ditto.
3111 (compute_antic_aux): Ditto. Mark changed blocks.
3112 (compute_antic): Ditto. Iterate in postorder and only over
3114 (compute_rvuse_and_antic_safe): Reuse postorder.
3115 (create_component_ref_by_pieces): Modify for bitmapped sets.
3116 (find_or_generate_expression): Ditto.
3117 (create_expression_by_pieces): Ditto.
3118 (insert_into_preds_of_block): Ditto.
3119 (changed_blocks): New variable.
3120 (do_regular_insertion): Broken out from insert_aux.
3121 (insert_aux): Modified for bitmapped sets.
3122 (find_existing_value_expr): New function.
3123 (create_value_expr_from): Use it.
3124 (insert_extra_phis): Removed.
3125 (print_bitmap_set): Renamed from bitmap_print_value_set.
3126 (compute_avail): Handle RETURN_EXPR.
3127 (init_pre): Modify for bitmapped sets.
3128 * tree-flow.h (has_stmt_ann): New function.
3130 2006-10-29 Roger Sayle <roger@eyesopen.com>
3132 * builtins.c (fold_builtin_floor): Check for the availability of
3133 the C99 trunc function before transforming floor into trunc.
3135 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3137 * builtins.c (fold_builtin_hypot): Rearrange recursive
3138 transformation before others, and also do ABS_EXPR. When
3139 necessary, check flag_unsafe_math_optimizations. When necessary,
3142 2006-10-29 Roger Sayle <roger@eyesopen.com>
3144 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3145 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3146 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3147 Fold -X eq/ne -Y as X eq/ne Y.
3149 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3151 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3152 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3153 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3154 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3155 Use an inclusive test for "mult" rather than "mul".
3156 (rotr<mode>3): Depend on ISA_HAS_ROR.
3157 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3159 (GENERATE_MULT3_DI): Delete.
3160 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3161 (ISA_HAS_MUL3): New macro.
3162 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3163 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3164 (ISA_HAS_CLZ_CLO): Likewise.
3165 (ISA_HAS_DCLZ_DCLO): Delete.
3166 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3167 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3168 the VR4120 and VR4130.
3169 (ISA_HAS_MACCHI): Use consistent formatting.
3170 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3171 (ISA_HAS_ROR): ...this new macro.
3172 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3173 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3174 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3176 2006-10-29 Roger Sayle <roger@eyesopen.com>
3178 PR tree-optimization/15458
3179 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3182 2006-10-29 Richard Guenther <rguenther@suse.de>
3184 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3185 (ix86_expand_truncdf_32): Likewise.
3186 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3187 trunc inline for SSE math and -fno-trapping-math and if not
3188 optimizing for size.
3189 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3190 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3191 for expanding btrunc inline for SSE math.
3193 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3195 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3196 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3197 i[34567]86-*-solaris2.1[0-9]*.
3198 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3199 Define conditionally depending on TARGET_64BIT_DEFAULT.
3200 (SPEC_32, SPEC_64): Define.
3201 (LINK_SPEC): Use them.
3202 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3204 2006-10-29 Richard Guenther <rguenther@suse.de>
3206 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3207 (ix86_expand_rounddf_32): Likewise.
3208 * config/i386/i386.c (ix86_expand_round): New function expanding
3209 round inline for SSE math and -fno-trapping-math and if not
3210 optimizing for size.
3211 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3212 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3213 round via ix86_expand_round.
3215 2006-10-29 Richard Guenther <rguenther@suse.de>
3217 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3218 (ix86_expand_floorceildf_32): Likewise.
3219 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3220 static helper function.
3221 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3223 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3224 * config/i386/i386.md (floordf2): Adjust to enable floor
3225 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3226 -fno-trapping-math is enabled and if not optimizing for size.
3227 (floorsf2, ceildf2, ceilsf2): Likewise.
3228 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3229 (sse2_maskcmpdf3): Likewise.
3231 2006-10-29 Richard Guenther <rguenther@suse.de>
3233 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3234 rint in case -fno-trapping-math is enabled.
3235 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3236 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3237 (ix86_expand_sse_fabs): Likewise.
3238 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3239 * config/i386/i386.md (rintdf2): Enable for SSE math if
3240 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3241 (rintsf2): Likewise.
3243 2006-10-29 Richard Guenther <rguenther@suse.de>
3245 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3246 to conversion optabs.
3247 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3248 as conversion optab.
3249 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3250 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3251 (lfloor_optab, lceil_optab): Adjust defines.
3252 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3253 lfloor and lceil optabs now being conversion optabs.
3254 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3255 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3256 New static helper function.
3257 (ix86_expand_lfloorceil): New function to expand lfloor and
3259 * config/i386/i386.md (lfloor<mode>2): Split into ...
3260 (lfloorxf<mode>2): ... x87 variant
3261 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3262 using ix86_expand_lfloorceil.
3263 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3265 * doc/md.texi (lfloorMN, lceilMN): Document.
3267 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3269 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3270 -mno-shared assembler option on mips targets.
3271 * configure, config.in: Regenerate.
3272 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3273 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3274 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3276 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3278 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3279 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3281 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3283 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3284 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3287 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3290 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3291 (fold_builtin_pow): Evaluate constant arguments at compile-time
3293 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3294 (do_mpfr_ckconv): New helper function.
3295 (do_mpfr_arg1): Use do_mpfr_ckconv.
3296 (do_mpfr_arg2): New.
3298 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3301 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3302 (-fdump-rtl-sched): Rename to ..
3303 (-fdump-rtl-sched1): here. Also fix file extension number.
3305 2006-10-28 Richard Guenther <rguenther@suse.de>
3307 * fold-const.c (maybe_canonicalize_comparison): Fix code
3310 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3312 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3313 (NON_QI_REG_P): Use IN_RANGE.
3314 (REX_INT_REGNO_P): Use IN_RANGE.
3315 (FP_REGNO_P): Use IN_RANGE.
3316 (SSE_REGNO_P): Use IN_RANGE.
3317 (REX_SSE_REGNO_P): Use IN_RANGE.
3318 (MMX_REGNO_P): Use IN_RANGE.
3319 (STACK_REGNO_P): New macro.
3320 (STACK_REG_P): Use STACK_REGNO_P.
3321 (NON_STACK_REG_P): Use STACK_REGNO_P.
3322 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3323 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3324 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3325 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3326 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3328 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3330 * except.h (output_function_exception_table): Add 'const char*' param.
3331 * except.c (switch_to_exception_section): Add 'const char*' param.
3332 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3333 and flag_function_sections is set, use a function-specific section.
3334 (output_function_exception_table): Add 'const char*' param.
3335 Adjust call to switch_to_exception_section.
3336 * final.c (rest_of_handle_final): Adjust calls to
3337 output_function_exception_table.
3338 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3339 * config.in: Regenerate.
3340 * configure: Likewise.
3342 2006-10-28 Richard Guenther <rguenther@suse.de>
3345 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3346 for maybe_canonicalize_comparison.
3347 (maybe_canonicalize_comparison): New function for canonicalizing
3349 (fold_comparison): Call it to canonicalize comparisons with
3352 2006-10-28 Richard Guenther <rguenther@suse.de>
3355 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3356 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3357 (expand_builtin): Adjust likewise.
3358 * genopinit.c (optabs[]): Add lround optab.
3359 * optabs.c (init_optabs): Initialize lround_optab.
3360 * optabs.h (enum convert_optab_index): Add COI_lround.
3361 (lround_optab): Define.
3362 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3363 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3365 (ix86_expand_lround): New function.
3366 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3368 * doc/md.texi (lroundMN2): Document.
3370 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3373 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3374 argument to HOST_WIDE_INT. Update function prototype.
3375 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3376 "size" argument to HOST_WIDE_INT. Update function prototype.
3378 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3380 * config/i386/i386.c (output_387_ffreep): Create output from a
3381 template string for !HAVE_AS_IX86_FFREEP.
3383 2006-10-27 Eric Christopher <echristo@apple.com>
3385 * config/darwin.c: Fix formatting and grammar.
3387 2006-10-27 Jan Hubicka <jh@suse.cz>
3389 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3390 to be thrown away soon when IGNORE is set.
3391 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3392 indicating when return value shall not be computed.
3393 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3395 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3397 * config/i386/i386.h (TARGET_GEODE):
3398 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3399 (TARGET_CPU_DEFAULT_geode): New macro.
3400 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3401 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3402 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3403 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3404 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3406 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3407 (processor_type): Add PROCESSOR_GEODE.
3409 * config/i386/i386.md: Include geode.md.
3412 * config/i386/i386.c (geode_cost): New initialized global
3414 (m_GEODE, m_K6_GEODE): New macros.
3415 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3416 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3417 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3418 x86_schedule): Use m_K6_GEODE instead of m_K6.
3419 (x86_movx, x86_cmove): Set up m_GEODE.
3420 (x86_integer_DFmode_moves): Clear m_GEODE.
3421 (processor_target_table): Add entry for geode.
3422 (processor_alias_table): Ditto.
3424 * config/i386/geode.md: New file.
3426 * doc/invoke.texi: Add entry about geode processor.
3428 2006-10-27 Mike Stump <mrs@apple.com>
3430 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3431 __DYNAMIC__ from here back to ...
3432 * config/darwin.h (CPP_SPEC): ... here.
3434 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3435 Nathan Sidwell <nathan@codesourcery.com>
3437 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3438 when choosing the minimum heapsize.
3440 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3442 * gcc/unwind-dw2.h: Move cfa-related variables into
3443 struct frame_state_reg_info to ensure that the CFA is properly
3444 handled when executing DW_CFA_{remember,restore}_state.
3445 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3446 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3447 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3448 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3449 gcc/config/rs6000/linux-unwind.h,
3450 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3451 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3452 Modify to use new cfa_* fields.
3454 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3456 * config/s390/s390.c (s390_init_frame_layout): Check positive
3459 2006-10-26 Ben Elliston <bje@au.ibm.com>
3461 * gimplify.c (get_name): Remove extraneous break.
3462 (gimplify_omp_for): Initialise ret with GS_OK.
3464 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3466 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3467 Add unix98.o to link line.
3469 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3472 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3473 Calculate compile-time constants using MPFR.
3474 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3475 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3477 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3479 * config/xtensa/lib2funcs.S: Use C-style comments.
3481 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3483 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3484 (file_table_relative_p): Likewise.
3485 (dwarf2out_finish): Likewise.
3486 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3488 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3490 * tree-ssa-structalias.c (intra_create_variable_infos):
3491 Don't recreate nonlocal_all if it already exists.
3493 2006-10-25 Richard Guenther <rguenther@suse.de>
3496 * optabs.h (enum optab_index): Remove OTI_lrint.
3497 (enum convert_optab_index): Add COI_lrint.
3498 (lrint_optab): Adjust.
3499 (expand_sfix_optab): Declare.
3500 * optabs.c (expand_sfix_optab): New function.
3501 (init_optabs): Init lrint_optab as conversion optab.
3502 * genopinit.c (lrint_optab): Change to a conversion optab.
3503 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3504 expansion via conversion optab.
3505 * config/i386/i386.md (*fistdi2_1): Remove
3506 flag_unsafe_math_optimizations guard.
3507 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3508 fist<mode>2_with_temp): Likewise.
3509 (lrint<mode>2): Split into...
3510 (lrintxf<mode>2): ... x87 part
3511 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3512 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3513 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3514 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3515 * doc/md.texi (lrintMN2): Document.
3517 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3520 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3521 Use inc and dec instructions for TARGET_USE_INCDEC.
3522 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3523 ("sync_double_compare_and_swap<mode>"): Likewise.
3524 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3525 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3526 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3527 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3528 ("sync_old_add<mode>"): Likewise.
3529 ("sync_lock_test_and_set<mode>"): Likewise.
3530 ("sync_lock_test_and_set<mode>"): Likewise.
3531 ("sync_add<mode>"): Likewise.
3532 ("sync_sub<mode>"): Likewise.
3533 ("sync_ior<mode>"): Likewise.
3534 ("sync_and<mode>"): Likewise.
3535 ("sync_xor<mode>"): Likewise.
3537 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3539 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3540 (remainder_optab): Define corresponding macro.
3541 (drem_optab): Remove.
3542 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3543 drem_optab initialization.
3544 * genopinit.c (optabs): Implement remainder_optab using
3545 remainder?f3 patterns. Remove drem_optab.
3546 * builtins.c (expand_builtin_mathfn_2): Handle
3547 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3548 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3549 expand_builtin_mathfn_2.
3551 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3552 depend on flag_unsafe_math_optimizations.
3554 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3555 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3556 Do not depend on flag_unsafe_math_optimizations. Use
3557 truncxf?f expander instead of truncxf?f_i387_noop.
3559 ("fpremxf4", "fprem1xf4"): Do not depend on
3560 flag_unsafe_math_optimizations.
3561 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3562 flag_unsafe_math_optimizations. Use truncxf?f expander
3563 instead of truncxf?f_i387_noop.
3565 * doc/md.texi (fmod, remainder): Document standard named pattern.
3567 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3568 David Daney <ddaney@avtrex.com>
3571 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3573 2006-10-25 Ben Elliston <bje@au.ibm.com>
3575 * doc/extend.texi (Variable Attributes): Typo fix.
3577 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3579 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3580 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3581 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3582 (FRAME_POINTER_REGNUM): Update register number to 21.
3583 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3584 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3586 * config/i386/i386.c (regclass_map): Add fpcr entry.
3587 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3589 (print_reg): Assert REGNO (x) != FPCR_REG.
3591 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3592 (DIRFLAG_REG): Renumber.
3593 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3594 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3595 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3596 hardcoded SSE register numbers.
3598 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3599 hardcoded MMX register numbers.
3601 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3604 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3605 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3607 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3608 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3609 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3610 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3612 2006-10-24 Richard Guenther <rguenther@suse.de>
3615 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3616 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3617 for deciding optimizations in consistency with fold-const.c
3618 (fold_builtin_unordered_cmp): Likewise.
3620 2006-10-24 Richard Guenther <rguenther@suse.de>
3622 * builtins.c (fold_builtin_floor): Fold floor (x) where
3623 x is nonnegative to trunc (x).
3624 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3625 nonnegative to FIX_TRUNC_EXPR.
3627 2006-10-24 Richard Guenther <rguenther@suse.de>
3629 PR tree-optimization/29567
3630 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3631 for TRUTH_NOT_EXPR. Clarify comments.
3633 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3636 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3637 at compile-time using MPFR. Change parameter VALUE to FUNC,
3639 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3640 for overflow and underflow at all times and avoid folding in
3643 2006-10-24 Ben Elliston <bje@au.ibm.com>
3645 * reload1.c: Formatting fixes.
3647 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3649 PR tree-optimization/14784
3650 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3651 * tree-ssa-structalias.c (get_constraint_for,
3652 intra_create_variable_infos): Set is_heapvar.
3653 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3654 non-heapvar pointer variables specially.
3656 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3659 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3660 fold_builtin_tan): Fold all constant arguments. Take a "type"
3661 argument as necessary.
3662 (do_mpfr_arg1): New.
3663 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3665 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3667 * config/xtensa/lib1funcs.asm: Use C-style comments.
3669 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3671 * tree.c (local_define_builtin): Replace calls to
3672 lang_hooks.builtin_function with add_builtin_function.
3673 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3675 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3677 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3678 common code to add_builtin_function.
3679 * langhooks.c (add_builtin_function): New function.
3680 (lhd_builtin_function): New function.
3681 * langhooks.h (struct lang_hooks): Change the signature of
3683 (add_builtin_function): New function.
3684 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3685 calls to lang_hooks.builtin_function with add_builtin_function.
3686 * c-common.c (decl_builtin_1): Replace calls to
3687 lang_hooks.builtin_function with add_builtin_function.
3688 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3689 lang_hooks.builtin_function with add_builtin_function.
3690 * config/frv/frv.c (def_builtin): Replace calls to
3691 lang_hooks.builtin_function with add_builtin_function.
3692 * config/s390/s390.c (s390_init_builtins): Replace calls to
3693 lang_hooks.builtin_function with add_builtin_function.
3694 * config/sparc/sparc.c (def_builtin): Replace calls to
3695 lang_hooks.builtin_function with add_builtin_function.
3696 * config/i386/i386.c (def_builtin): Replace calls to
3697 lang_hooks.builtin_function with add_builtin_function.
3698 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3699 lang_hooks.builtin_function with add_builtin_function.
3700 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3701 lang_hooks.builtin_function with add_builtin_function.
3702 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3703 Replace calls to lang_hooks.builtin_function with
3704 add_builtin_function.
3705 * config/iq2000/iq2000.c (def_builtin):
3706 Replace calls to lang_hooks.builtin_function with
3707 add_builtin_function.
3708 * config/ia64/ia64.c (def_builtin): Replace calls to
3709 lang_hooks.builtin_function with add_builtin_function.
3710 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3711 lang_hooks.builtin_function with add_builtin_function.
3712 (altivec_init_builtins): Replace calls to
3713 lang_hooks.builtin_function with add_builtin_function.
3714 * config/arm/arm.c (def_mbuiltin): Replace calls to
3715 lang_hooks.builtin_function with add_builtin_function.
3716 (arm_init_tls_builtins): Replace calls to
3717 lang_hooks.builtin_function with add_builtin_function.
3718 * config/mips/mips.c (mips_init_builtins): Replace calls to
3719 lang_hooks.builtin_function with add_builtin_function.
3720 * config/bfin/bfin.c (def_builtin): Replace calls to
3721 lang_hooks.builtin_function with add_builtin_function.
3722 * langhooks-def.h (lhd_builtin_function): New function.
3723 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3725 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3727 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3728 BUILT_IN_STRNCAT_CHK.
3730 2006-10-23 Jan Hubicka <jh@suse.cz>
3732 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3733 don't do conversion from memmove to memcpy here.
3734 (expand_builtin_bcopy, expand_builtin): Update call of
3735 expand_builtin_memmove.
3736 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3738 2006-10-23 Paul Brook <paul@codesourcery.com>
3740 * stor-layout.c (start_record_layout): maximum_field_alignment
3741 overrides STRUCTURE_SIZE_BOUNDARY.
3743 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3745 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3746 nonlocal function symbols if flag_pic.
3748 2006-10-23 Richard Guenther <rguenther@suse.de>
3752 * builtins.c (fold_binary): Remove checks for flag_wrapv
3753 and flag_trapv where negate_expr_p covers these cases.
3755 2006-10-23 Richard Guenther <rguenther@suse.de>
3758 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3759 of two on the absolute value.
3760 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3761 and negating -C does not overflow.
3763 2006-10-23 Richard Guenther <rguenther@suse.de>
3766 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3767 only if not flag_rounding_math.
3769 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3770 Kaz Kojima <kkojima@gcc.gnu.org>
3773 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3774 SImode memory reference for the source of a movua.
3775 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3776 (movua): Use an unspec instead of sign_extract. Expect the source
3777 to have mode BLKmode.
3778 (extv, insv): Use a BLKmode rather than SImode memory reference
3779 for the source of a movua.
3781 2006-10-22 Jeff Law <law@redhat.com>
3782 Richard Guenther <rguenther@suse.de>
3784 PR tree-optimization/15911
3785 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3786 (register_edge_assert_for_1): Likewise.
3787 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3788 (find_conditional_asserts): Adjust for new function signature.
3789 (find_assert_locations): Likewise.
3791 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3793 * config/i386/tmmintrin.h: Remove the duplicated content.
3795 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3797 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3798 (x86_64-*-*): Likewise.
3800 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3801 (override_options): Check SSSE3.
3802 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3803 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3804 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3805 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3806 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3807 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3808 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3809 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3810 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3811 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3812 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3813 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3814 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3815 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3816 IX86_BUILTIN_PABSD128.
3817 (bdesc_2arg): Add SSSE3.
3818 (bdesc_1arg): Likewise.
3819 (ix86_init_mmx_sse_builtins): Support SSSE3.
3820 (ix86_expand_builtin): Likewise.
3821 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3823 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3824 (UNSPEC_PSIGN): Likewise.
3825 (UNSPEC_PALIGNR): Likewise.
3826 Include mmx.md before sse.md.
3828 * config/i386/i386.opt: Add -mssse3.
3830 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3831 (ssse3_phaddwv4hi3): Likewise.
3832 (ssse3_phadddv4si3): Likewise.
3833 (ssse3_phadddv2si3): Likewise.
3834 (ssse3_phaddswv8hi3): Likewise.
3835 (ssse3_phaddswv4hi3): Likewise.
3836 (ssse3_phsubwv8hi3): Likewise.
3837 (ssse3_phsubwv4hi3): Likewise.
3838 (ssse3_phsubdv4si3): Likewise.
3839 (ssse3_phsubdv2si3): Likewise.
3840 (ssse3_phsubswv8hi3): Likewise.
3841 (ssse3_phsubswv4hi3): Likewise.
3842 (ssse3_pmaddubswv8hi3): Likewise.
3843 (ssse3_pmaddubswv4hi3): Likewise.
3844 (ssse3_pmulhrswv8hi3): Likewise.
3845 (ssse3_pmulhrswv4hi3): Likewise.
3846 (ssse3_pshufbv16qi3): Likewise.
3847 (ssse3_pshufbv8qi3): Likewise.
3848 (ssse3_psign<mode>3): Likewise.
3849 (ssse3_psign<mode>3): Likewise.
3850 (ssse3_palignrti): Likewise.
3851 (ssse3_palignrdi): Likewise.
3852 (abs<mode>2): Likewise.
3853 (abs<mode>2): Likewise.
3855 * config/i386/tmmintrin.h: New file.
3857 * doc/extend.texi: Document SSSE3 built-in functions.
3859 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3861 2006-10-22 Ira Rosen <irar@il.ibm.com>
3863 * tree-vect-transform.c (vectorizable_load): Use the type of the
3864 return value of the mask_for_load builtin to create realign_load
3867 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3869 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3872 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3874 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3875 (UNSPEC_LDDQU): This.
3876 * config/i386/sse.md (sse3_lddqu): Updated.
3878 2006-10-21 Richard Guenther <rguenther@suse.de>
3880 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3881 (expand_builtin): Use it to expand lrint instead of
3882 expand_builtin_mathfn.
3884 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3887 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3888 flag_unsafe_math_optimizations is set.
3890 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3893 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3894 patterns to use memory input operand in x87->mem->XMM
3895 reload sequences. Skip transformation for TARGET_K8.
3897 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3899 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3900 force operand1 to register if both operands are memory operands.
3901 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3902 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3903 if both operands are memory operands.
3904 (truncdfsf2): Do not force operand1 to register if both operands
3905 are memory operands.
3907 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3909 * Makefile.in (LIBS): Add $(GMPLIBS).
3910 * doc/install.texi: Update GMP and MPFR requirements.
3911 * doc/sourcebuild.texi (need_gmp): Delete.
3913 2006-10-21 Richard Guenther <rguenther@suse.de>
3915 PR tree-optimization/3511
3916 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3917 got new invariant arguments during PHI translation.
3919 2006-10-21 Richard Guenther <rguenther@suse.de>
3922 * fold-const.c (fold_comparison): Fold signed comparisons
3923 of the form X +- C1 CMP Y +- C2.
3925 2006-10-21 Richard Guenther <rguenther@suse.de>
3928 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3929 if flag_unsafe_math_optimizations is specified. We have
3930 flag_finite_math_only for that.
3931 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3932 or flag_unsafe_math_optimizations.
3934 2006-10-21 Richard Guenther <rguenther@suse.de>
3936 * builtins.c (fold_builtin_classify): Fix typo.
3938 2006-10-21 Richard Guenther <rguenther@suse.de>
3941 * simplify-rtx.c (simplify_const_relational_operation):
3942 Do not constant-fold ORDERED and UNORDERED for
3943 flag_unsafe_math_optimizations but only we do not need to
3944 honor NaNs for the given mode.
3946 2006-10-21 Richard Guenther <rguenther@suse.de>
3949 * config/i386/i386.c (classify_argument): Remove redundant
3950 walking of the BINFOs.
3951 (contains_128bit_aligned_vector_p): Likewise.
3953 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3955 * BASE-VER: Set to 4.3.0.
3957 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
3959 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
3960 (tree_decl_with_vis): Remove artificial_pta_var flag.
3961 * tree-flow.h (referenced_var_check_and_insert): Expose.
3962 (nonlocal_all): New prototype.
3963 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
3964 (nonlocal_all): Make global.
3965 (nonlocal_lookup): Remove.
3966 (nonlocal_insert): Ditto.
3967 (create_nonlocal_var): Do not call nonlocal_insert.
3968 (get_nonlocal_id_for_type): Remove.
3969 (find_global_initializers): Mark new vars we find for renaming.
3970 (intra_create_variable_infos): Only create one nonlocal.
3971 (expand_nonlocal_solutions): Remove.
3972 (compute_points_to_sets): Don't call it.
3973 (ipa_pta_execute): Ditto.
3974 (init_alias_heapvars): Don't create nonlocal_for_type.
3975 (delete_alias_heapvars): Don't remove it.
3976 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
3979 2006-10-19 Brooks Moses <bmoses@stanford.edu>
3981 * doc/install.texi (Downloading GCC): Clarify mention of
3982 Fortran in the "full distribution" description.
3984 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
3986 Fix PR tree-optimization/28778
3987 Fix PR tree-optimization/29156
3988 Fix PR tree-optimization/29415
3989 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
3990 (tree_decl_with_vis): Add artificial_pta_var flag.
3991 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
3992 pushed into callers.
3993 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
3994 (nonlocal_all): Ditto.
3995 (struct variable_info): Add directly_dereferenced member.
3996 (var_escaped_vars): New variable.
3997 (escaped_vars_tree): Ditto.
3998 (escaped_vars_id): Ditto.
3999 (nonlocal_vars_id): Ditto.
4000 (new_var_info): Set directly_dereferenced.
4001 (graph_size): New variable
4002 (build_constraint_graph): Use graph_size.
4003 (solve_graph): Don't process constraints that cannot change the
4004 solution, don't try to propagate an empty solution to our
4006 (process_constraint): Set directly_dereferenced.
4007 (could_have_pointers): New function.
4008 (get_constraint_for_component_ref): Don't process STRING_CST.
4009 (nonlocal_lookup): New function.
4010 (nonlocal_insert): Ditto.
4011 (create_nonlocal_var): Ditto.
4012 (get_nonlocal_id_for_type): Ditto.
4013 (get_constraint_for): Allow results vector to be empty in the case
4014 of string constants.
4015 Handle results of calls properly.
4016 (update_alias_info): Update alias info stats on number and type of
4018 (find_func_aliases): Use could_have_pointers.
4019 (make_constraint_from_escaped): Renamed from
4020 make_constraint_to_anything, and changed to make constraints from
4022 (make_constraint_to_escaped): New function.
4023 (find_global_initializers): Ditto.
4024 (create_variable_info_for): Make constraint from escaped to any
4025 global variable, and from any global variable to the set of
4027 (intra_create_variable_infos): Deal with escaped instead of
4028 pointing to anything.
4029 (set_uids_in_ptset): Do type pruning on directly dereferenced
4031 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4032 (init_base_vars): Fix comment, and initialize escaped_vars.
4033 (need_to_solve): Removed.
4034 (find_escape_constraints): New function.
4035 (expand_nonlocal_solutions): Ditto.
4036 (compute_points_to_sets): Call find_escape_constraints and
4037 expand_nonlocal_solutions.
4038 (delete_points_to_sets): Don't fall off the end of the graph.
4039 (init_alias_heapvars): Initialize nonlocal_for_type and
4041 (delete_alias_heapvars): Free nonlocal_for_type and null out
4044 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4046 * fold-const.c (add_double): Rename to add_double_with_sign.
4047 Add 'unsigned_p' parameter and take it into account for the overflow.
4048 (mul_double): Rename to mul_double_with_sign.
4049 Add 'unsigned_p' parameter and take it into account for the overflow.
4050 (fold_div_compare): Call add_double_with_sign instead of add_double
4051 and mul_double_with_sign instead of mul_double, passing them the
4052 unsignedness of the type.
4053 * tree.h (add_double): Macroize.
4054 (add_double_with_sign): New prototype.
4055 (mul_double): Macroize.
4056 (mul_double_with_sign): New prototype.
4058 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4060 * config/score/crti.asm: New file.
4061 * config/score/crtn.asm: New file.
4062 * config/score/elf.h: New file.
4063 * config/score/mac.md: New file.
4064 * config/score/misc.md: New file.
4065 * config/score/mul-div.S: New file.
4066 * config/score/predicates.md: New file.
4067 * config/score/score7.md: New file.
4068 * config/score/score.c: New file.
4069 * config/score/score-conv.h: New file.
4070 * config/score/score.h: New file.
4071 * config/score/score.md: New file.
4072 * config/score/score-mdaux.c: New file.
4073 * config/score/score-mdaux.h: New file.
4074 * config/score/score-modes.def: New file.
4075 * config/score/score.opt: New file.
4076 * config/score/score-protos.h: New file.
4077 * config/score/score-version.h: New file.
4078 * config/score/t-score-elf: New file.
4079 * config.gcc: Add score*-*-* configurations(Update before).
4080 * doc/invoke.texi (Score Options): New section.
4081 * doc/md.texi (Score family): New section to document constraints.
4083 2006-10-19 Nick Clifton <nickc@redhat.com>
4085 * config/arm/arm.c: Fix spelling typo.
4087 2006-10-18 Tom Tromey <tromey@redhat.com>
4089 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4091 2006-10-18 Jan Hubicka <jh@suse.cz>
4094 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4097 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4099 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4100 TSI_SAME_STMT, since that's the desired entity.
4102 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4104 * config/s390/contraints.md: New file.
4105 * config/s390/s390-protos.h (s390_mem_constraint,
4106 s390_O_constraint_str, s390_N_constraint_str,
4107 s390_float_const_zero_p): Function prototypes added.
4108 * config/s390/s390.c (s390_extra_constraint_str,
4109 s390_const_double_ok_for_constraint_p,
4110 s390_const_ok_for_constraint_p): Functions removed.
4111 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4112 s390_float_const_zero_p): New functions.
4113 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4114 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4115 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4116 Macro definitions removed.
4117 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4118 s390_extra_constraint_str): Functions removed.
4120 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4121 Richard Sandiford <richard@codesourcery.com>
4124 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4125 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4127 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4129 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4130 (DWARF2_FRAME_REG_OUT): Likewise.
4131 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4132 (DWARF2_FRAME_REG_OUT): Likewise.
4134 2006-10-17 Paul Brook <paul@codesourcery.com>
4136 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4138 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4140 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4141 Standardize on "GNU Fortran" as the official name of the Fortran
4144 2006-10-16 Mike Stump <mrs@apple.com>
4146 * doc/invoke.texi (Darwin Options): Document -mkernel.
4147 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4149 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4150 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4151 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4152 (OS_MISSING_ALTIVEC): Add.
4153 * config/i386/i386.c (override_options): Add
4154 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4155 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4156 -mkernel, -static or -mdynamic-no-pic is given.
4157 (C_COMMON_OVERRIDE_OPTIONS): Add.
4158 * config/darwin.opt (fapple-kext): Add.
4160 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4161 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4163 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4164 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4165 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4166 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4167 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4168 (flag_mkernel): Add.
4169 (flag_apple_kext): Add.
4170 (TARGET_KEXTABI): Add.
4171 * config/darwin.c (darwin_handle_kext_attribute): Add.
4172 (DARWIN_VTABLE_P): Add.
4173 (darwin_binds_local_p): Add partial support for rebinding vtables
4175 (darwin_kextabi_p): Add.
4176 (darwin_override_options): Add.
4177 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4178 (darwin_kextabi_p): Add.
4179 (darwin_override_options): Add.
4180 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4181 __DYNAMIC__ and __STATIC__ here.
4183 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4185 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4186 Added mention of "make pdf" target, and Texinfo requirements for
4189 2006-10-16 DJ Delorie <dj@redhat.com>
4191 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4192 into the GOT in case we need a subreg of the address.
4194 2006-10-16 Richard Guenther <rguenther@suse.de>
4197 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4198 SSE builtin documentation. Document SSE2 builtins.
4200 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4202 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4203 symbol in the output file for non-shared links when -nostdlib or
4204 -nodefaultlibs isn't specified.
4206 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4207 posix thread support.
4209 2006-10-15 Jan Hubicka <jh@suse.cz>
4212 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4213 declared always_inline even when not inlining.
4215 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4216 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4217 Andrew Pinski <pinskia@gmail.com>
4220 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4222 2006-10-15 Jan Hubicka <jh@suse.cz>
4223 Richard Guenther <rguenther@suse.de>
4226 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4227 process_function_and_variable_attributes on all variables, including
4228 those discovered during cgraph construction phase.
4230 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4232 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4234 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4236 * config/i386/athlon.md (athlon_fist): Add fisttp.
4238 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4239 Ian Lance Taylor <ian@airs.com>
4242 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4243 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4246 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4248 * config/score/score.c, config/score/score.h: Fix comment
4251 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4254 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4257 2006-10-13 Eric Christopher <echristo@apple.com>
4259 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4261 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4264 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4265 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4266 alignment supported by 32-bit ELF.
4268 2006-10-13 Eric Christopher <echristo@apple.com>
4270 * config/darwin.c (darwin_emit_unwind_label): Strip
4271 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4273 2006-10-13 Richard Guenther <rguenther@suse.de>
4275 PR tree-optimization/29446
4276 * tree-vrp.c (fix_equivalence_set): Remove.
4277 (extract_range_from_assert): Do not call fix_equivalence_set.
4278 (debug_value_range): Print a newline.
4279 (compare_name_with_value): For equivalence sets with
4280 inconsistent value ranges conservatively bail out.
4281 (compare_names): Likewise.
4283 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4285 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4286 and MPFR for gfortran.
4288 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4290 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4291 alignment supported by 32-bit ELF.
4293 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4297 * c-typeck.c (digest_init): Always allow initializing vectors
4298 that have static storage duration with compound literals.
4299 * tree.c (build_type_attribute_qual_variant): New, based on
4300 build_type_attribute_variant.
4301 (build_type_attribute_variant): Rewrite using the former.
4302 (make_vector_type): Use build_type_attribute_qual_variant to build
4303 type variants. Use type_hash_canon on the others.
4305 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4306 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4308 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4310 2006-10-12 Jan Hubicka <jh@suse.cz>
4313 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4314 current_function_decl is set but current_function_scope is not.
4316 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4318 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4319 emit_insn to emit eh_return_internal instruction.
4320 (eh_return_internal): Explicitly set pc.
4322 2006-10-11 Richard Guenther <rguenther@suse.de>
4324 PR tree-optimization/28230
4325 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4326 to the correct place.
4328 2006-10-11 Richard Guenther <rguenther@suse.de>
4331 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4334 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4336 * configure.ac: Added pdf to "Make-hooks"
4337 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4338 targets and *.pdf file patterns in cleanup targets.
4339 * configure: Regenerated.
4341 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4343 * config/avr/predicates.md: New file.
4344 * config/avr/avr.md: Include it.
4345 (REG_SP): New constant.
4346 (peepholes): Use predicates.
4347 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4348 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4349 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4351 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4353 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4356 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4359 * builtins.c (var_decl_component_p): New function.
4360 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4361 single entry optimization to variables and components thereof.
4363 2006-10-10 Richard Guenther <rguenther@suse.de>
4365 PR rtl-optimization/29323
4366 * except.c (set_nothrow_function_flags): For functions
4367 that do not bind local bail out early.
4369 2006-10-10 Ben Elliston <bje@au.ibm.com>
4371 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4374 2006-10-09 Richard Henderson <rth@redhat.com>
4376 Revert emutls patch.
4378 2006-10-09 Richard Guenther <rguenther@suse.de>
4381 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4384 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4387 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4388 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4389 * configure: Regenerate.
4390 * config.in: Regenerate.
4392 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4394 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4396 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4398 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4399 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4400 Remove stray newline.
4402 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4404 * config/mips/mips.c (mips_classify_symbol): Do not return
4405 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4406 (mips_in_small_data_p): Tweak comments.
4408 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4410 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4412 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4414 * gimplify.c, sched-int.h: Fix comment typos.
4416 * sched-int.h: Fix comment typos.
4418 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4420 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4422 * sched-ebb.c (begin_schedule_ready): Use them.
4423 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4424 add_to_speculative_block, create_check_block_twin, speculate_insn,
4425 fix_jump_move, move_block_after_check): Ditto.
4426 * sched-rgn.c (new_ready): Ditto.
4428 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4430 PR rtl-optimization/29128
4431 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4432 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4433 allow interblock movement of speculation checks.
4435 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4438 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4439 casted to integer type.
4440 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4441 if they are significantly more expensive than [reg + index] ones.
4443 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4445 PR tree-optimization/29330
4446 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4447 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4448 on newly allocated ddrs.
4449 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4450 to VEC (loop_p, heap) pointer.
4451 (compute_data_dependences_for_loop): Adjust caller.
4452 (free_dependence_relations): Free DDR_LOOP_NEST.
4454 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4455 free DEPENDENCE_RELATIONS and DATAREFS.
4458 * builtins.c (expand_builtin_sync_operation,
4459 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4460 Use convert_to_mode to handle promoted arguments.
4462 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4464 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4466 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4468 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4470 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4472 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4473 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4474 Use <modeconstraint> instead of "r" as operand 1 constraint.
4476 2006-10-06 Olivier Hainque <hainque@adacore.com>
4478 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4479 Don't recurse on the pointed-to type.
4480 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4481 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4482 types with components of variable size.
4484 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4486 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4488 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4490 PR tree-optimization/29290
4491 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4495 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4496 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4499 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4500 the number of vector elements fill the rest with zeros.
4502 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4504 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4505 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4508 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4510 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4511 unnamed pattern into subsi3. Use correct constraints/predicates.
4512 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4513 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4515 2006-10-05 Ira Rosen <irar@il.ibm.com>
4517 * doc/loop.texi: Add data references analysis description.
4519 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4521 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4523 2006-10-04 Richard Henderson <rth@redhat.com>
4524 Jakub Jelinek <jakub@redhat.com>
4526 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4527 * builtin-types.def (BT_WORD): Make unsigned.
4528 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4529 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4530 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4531 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4532 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4533 * cgraph.c (decide_is_variable_needed): Look at force_output.
4534 Recurse for emulated tls.
4535 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4536 checks redundant with decide_is_variable_needed.
4537 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4538 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4540 * expr.c (emutls_var_address): New.
4541 (expand_expr_real_1): Expand emulated tls.
4542 (expand_expr_addr_expr_1): Likewise.
4543 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4544 * output.h (emutls_finish): Declare.
4545 * toplev.c (compile_file): Call it.
4546 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4547 address before wrapping in CONST.
4548 * varasm.c (emutls_htab, emutls_object_type): New.
4549 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4550 (get_emutls_object_name, get_emutls_object_type): New.
4551 (get_emutls_init_templ_addr, emutls_decl): New.
4552 (emutls_common_1, emutls_finish): New.
4553 (assemble_variable): When emulating tls, swap decls; generate
4554 constructor for the emutls objects.
4555 (do_assemble_alias): When emulating tls, swap decl and target name.
4556 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4558 * emutls.c: New file.
4559 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4560 tls_object for real tls.
4562 2006-10-04 Zack Weinberg <zackw@panix.com>
4564 Fix bug in constraint-check generator, reported by Rask Ingemann
4566 * genpreds.c (add_constraint): Don't remove anything from the
4568 (write_tm_constrs_h): Detect whether "op" argument is used, and
4569 mark it ARG_UNUSED if it isn't.
4570 (write_insn_const_int_ok_for_constraint): Skip the part of the
4571 expression that would test whether "op" (which is not available
4572 here) is a CONST_INT.
4574 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4577 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4579 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4581 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4582 current Leopard versions.
4583 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4585 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4587 * doc/install.texi: Fix typos.
4589 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4591 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4592 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4593 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4595 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4597 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4598 arg to be struct mach_header_64* instead.
4600 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4603 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4604 side effects after the outer expression's post side effects.
4606 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4608 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4609 comments to reflect actual behavior and relationship between
4610 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4612 * doc/c-tree.texi (Working with declarations): Fix documentation
4613 of FIELD_DECL likewise.
4615 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4618 * doc/extend.texi: Add used variable attribute description.
4620 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4623 * c.opt (Woverride-init): New.
4624 * c-opts.c (c_common_post_options): Default warn_override_init to
4626 * c-typeck.c (add_pending_init, output_init_element): Warn for
4627 overriding initializers without side effects.
4628 * doc/invoke.texi (-Woverride-init): Document.
4631 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4633 PR rtl-optimization/28096
4634 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4635 assignment has already been used as a destination earlier in the block.
4637 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4639 * builtins.c (expand_builtin_setjmp): Delete.
4640 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4641 <BUILT_IN_SETJMP_SETUP>: New case.
4642 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4643 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4644 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4645 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4646 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4647 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4648 (lower_function_body): Initialize it to false. If it is set to true
4649 at the end of the processing, emit the setjmp dispatcher.
4650 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4651 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4652 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4653 on the rhs of the assignment.
4654 (lower_builtin_setjmp): New function.
4655 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4656 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4657 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4658 to detect calls that can go to non-local labels. Use specific
4659 helper to create the abnormal edges associated with them.
4660 <MODIFY_EXPR>: Likewise.
4661 (make_abnormal_goto_edges): New function extracted from...
4662 (make_goto_expr_edges): ...here. Call it for computed gotos.
4663 (simple_goto_p): Minor tweak.
4664 (tree_can_make_abnormal_goto): New predicate.
4665 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4666 (tree_purge_dead_abnormal_call_edges): New function.
4667 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4668 (tree_purge_dead_abnormal_call_edges): Likewise.
4669 (make_abnormal_goto_edges): Likewise.
4670 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4671 Purge all dead abnormal edges if the call was in the last statement.
4672 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4673 (execute_fixup_cfg): If there are non-local labels in the function,
4674 scan the basic blocks and split them at calls that can go to non-local
4675 labels or add missing abnormal call edges. Write down the CFG in the
4677 (pass_fixup_cfg): Remove TODO_dump_func flag.
4678 * unwind-sjlj.c: Poison setjmp.
4679 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4680 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4681 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4682 (DONT_USE_BUILTIN_SETJMP): Document it.
4684 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4687 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4688 to 1 when __ppc64__ is defined.
4689 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4691 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4693 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4695 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4696 * config/ia64/unwind-hpux.c: Delete.
4698 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4700 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4701 on the element before gimplifying it, instead of punting if it is of
4704 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4706 * doc/loop.texi: New file.
4707 * doc/gccint.texi: Reference loop.texi.
4708 * Makefile.in (loop.texi): Add.
4710 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4712 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4714 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4715 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4717 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4719 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4721 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4723 * doc/install.texi: Document required versions of GMP and MPFR.
4725 2006-09-27 Paul Brook <paul@codesourcery.com>
4728 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4730 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4732 * reload1.c (alter_reg): Require the alignment of the stack slot to
4733 be at least reg_max_ref_width bytes.
4734 (scan_paradoxical_subregs): Record the largest width in
4737 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4741 * tree-nested.c (struct nesting_info): Added static_chain_added.
4742 (convert_call_expr): Set static_chain_added when adding static
4743 chain. Handle OMP_PARALLEL and OMP_SECTION.
4745 2006-09-25 Matthias Klose <doko@debian.org>
4747 * doc/invoke.texi: Add missing full stop.
4749 2006-09-25 Richard Henderson <rth@redhat.com>
4751 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4752 before cgraph_function_flags_ready.
4754 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4755 Adam Nemet <anemet@caviumnetworks.com>
4757 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4758 determine_common_wider_type): New functions.
4759 (get_computation_aff): Use them to simplify arithmetic between
4760 UBASE and CBASE if they are shortened from the same type.
4762 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4765 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4766 -2147483647 - 1 instead of 0x80000000.
4768 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4770 * flags.h (HONOR_NANS): Fix typo in comment.
4772 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4774 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4776 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4780 * tree.c (merge_attributes, attribute_list_contained): If both
4781 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4783 * c-typeck.c (comptypes_internal): Don't consider aggregates
4784 in different TUs as compatible if there one set of attributes is
4785 not a subset of the other type's attributes.
4786 (composite_type): Try harder not to create a new aggregate type.
4788 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4790 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4791 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4792 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4793 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4794 than replicating condition above.
4795 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4797 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4798 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4799 the linker by default.
4801 2006-09-22 Mike Stump <mrs@apple.com>
4803 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4806 2006-09-22 Richard Guenther <rguenther@suse.de>
4809 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4810 sort of stack variables stable.
4812 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4815 * explow.c (force_reg): Set REG_POINTER flag according to
4818 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4820 PR tree-optimization/28888
4821 * tree-if-conv.c (combine_blocks): Rewritten.
4822 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4823 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4825 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4827 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4830 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4832 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4834 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4836 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4838 2006-09-21 Roger Sayle <roger@eyesopen.com>
4841 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4842 dw_fde_current_label, to be the start of the function, i.e. the same
4843 value as dw_fde_begin.
4845 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4847 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4848 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4849 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4850 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4851 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4852 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4853 (abs<mode>2, neg<mode>2): Likewise.
4854 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4855 (*mips_abs_ps): New define_insn.
4857 2006-09-20 Josh Conner <jconner@apple.com>
4860 * calls.c (expand_call): Allow reuse of structure return stack
4863 2006-09-20 Paul Brook <paul@codesourcery.com>
4865 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4868 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4870 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4871 clean up terminology.
4873 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4876 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4877 with tablejumps in them.
4879 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4882 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4883 wrap it into TARGET_EXPR.
4885 2006-09-20 Eric Christopher <echristo@apple.com>
4887 * config/i386/i386.c (x86_fisttp): Remove.
4888 * config/i386/i386.h (x86_fisttp): Ditto.
4889 (TARGET_FISTTP): Ditto.
4891 2006-09-19 Eric Christopher <echristo@apple.com>
4893 * doc/tm.texi (OBJC_JBLEN): Describe.
4894 * config/i386/darwin.h (OBJC_JBLEN): Define.
4895 * config/rs6000/darwin.h: Ditto.
4897 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4899 PR rtl-optimization/21299
4900 * reload1.c (reload): Purge invalid ASMs in the final pass.
4902 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4905 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4906 pointers as legitimate constants.
4908 2006-09-19 Paul Brook <paul@codesourcery.com>
4911 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4913 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4915 PR tree-optimization/28887
4916 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4917 component parts from the reference.
4918 (gather_memory_references_ref): Record the reference without the
4919 nonaddressable component parts.
4921 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4924 * c-opts.c (c_common_handle_option): Ignore the -std options
4925 if the input language is assembly.
4927 2006-09-17 Ira Rosen <irar@il.ibm.com>
4930 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4932 (ptr_ptr_may_alias_p): Likewise.
4933 (record_record_differ_p): New function.
4934 (base_object_differ_p): Call record_record_differ_p.
4936 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4939 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4940 away for the expr argument.
4942 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4945 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4946 before using it for dumping after vectorizing loops.
4948 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4949 Jack Howarth <howarth@bromo.med.uc.edu>
4952 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4953 skip on error_mark_node.
4954 (rs6000_darwin64_record_arg_recurse): Likewise.
4956 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4958 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
4959 * doc/rtl.texi: Remove related documentation.
4961 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
4963 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
4966 2006-09-15 Jim Wilson <wilson@specifix.com>
4968 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
4969 Handle symbol offsets same as they are handled in ia64_expand_move
4972 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
4974 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
4975 Add forgotten parameter to the fprintf call.
4977 2006-09-15 Steve Ellcey <sje@cup.hp.com>
4979 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
4981 2006-09-15 Uros Bizjak <uros@kss-loka.si>
4983 * doc/contrib.texi: Add my entry.
4985 2006-09-15 Nick Clifton <nickc@redhat.com>
4987 * doc/md.texi (Processor pipeline description): Fix typo in
4988 example of how to use the absence_set directive and reword the
4989 description to make it slightly easier to read.
4991 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
4993 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
4994 * loop-doloop.c (doloop_optimize): Use it to limit costs of
4995 expanding the number of iterations.
4996 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
4998 * cfgrtl.c (emit_insn_at_entry): New function.
4999 * rtl.h (emit_insn_at_entry): Declare it.
5000 * integrate.c (emit_initial_value_sets): Use it.
5002 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5004 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5006 (struct loop_work and related VEC declarations): Delete.
5007 (bfin_dump_loops): Print out new member bad.
5008 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5009 (bfin_scan_loop): Don't recurse.
5010 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5011 loops. No longer need to update outer loops if the current one is
5012 found bad. Move some validitiy checks to bfin_discover_loop.
5013 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5014 but changed not to check for nesting. Also changed to use the new bad
5016 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5017 time. Use bitmap based test to discover loop nesting.
5019 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5021 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5024 2006-09-14 Richard Guenther <rguenther@suse.de>
5025 Kazu Hirata <kazu@codesourcery.com>
5027 PR middle-end/28884.
5028 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5029 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5030 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5031 with TARGET_FUNCTION_VALUE.
5033 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5036 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5038 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5040 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5043 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5046 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5049 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5051 * basic_block.h (bb_has_eh_pred): Fix comment.
5053 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5055 * flow.c (calculate_global_regs_live): Invalidate eh registers
5056 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5057 (propagate_block): Handle eh registers as if they were set at basic
5059 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5061 * global.c (global_conflicts): Make eh registers to conflict with
5062 pseudos live at basic block begin.
5063 * basic_block.h (bb_has_eh_pred): New function.
5065 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5067 PR rtl-optimization/28982
5068 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5069 index of a PRE_MODIFY or POST_MODIFY address.
5070 * reload1.c (inc_for_reload): Use find_replacement on the original
5071 base and index registers.
5073 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5075 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5076 for -Os. Update __m128 alignment requirement.
5078 2006-09-13 Jan Hubicka <jh@suse.cz>
5080 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5082 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5084 PR rtl-optimization/28243
5085 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5086 the insn to which the note was originally attached.
5088 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5089 Roger Sayle <roger@eyesopen.com>
5091 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5092 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5093 on platforms that don't use dwarf for debug info.
5095 2006-09-12 Jason Merrill <jason@redhat.com>
5098 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5099 hard_frame_pointer_rtx after using it to update the frame pointer.
5101 2006-09-12 Roger Sayle <roger@eyesopen.com>
5103 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5104 (TARGET_ASM_CLOSE_PAREN): Likewise.
5105 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5106 (TARGET_ASM_CLOSE_PAREN): Likewise.
5108 2006-09-12 Roger Sayle <roger@eyesopen.com>
5111 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5112 frame information for frames larger than 512 Kbytes on Tru64 when
5113 using the native assembler.
5115 2006-09-12 Roger Sayle <roger@eyesopen.com>
5119 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5120 and symbols. Instead use the implementation from cse.c's hash_rtx.
5122 2006-09-12 Jan Hubicka <jh@suse.cz>
5124 PR rtl-optimization/28071
5125 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5126 (vect_transform_loop): Likewise.
5127 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5128 (new_loop_vec_info): Likewise.
5129 (destroy_loop_vec_info): Likewise.
5130 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5131 (create_stmt_ann): Likewise.
5132 (create_tree_ann): Rename to ...
5133 (create_tree_common_ann): ... this one; allocate only the common part
5135 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5136 (get_value_handle): Likewise.
5137 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5138 get_tree_common_ann.
5139 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5140 (vinfo_for_stmt): Use stmt annotations.
5141 * tree-flow.h (tree_ann_common_t): New type.
5142 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5143 (tree_ann, get_tree_ann, create_tree_ann): New.
5144 * tree-flow-inline.h (get_function_ann): Do more type checking.
5145 (stmt_ann): Likewise.
5146 (tree_ann): Rename to ...
5147 (tree_common_ann): ... this one; return ony common_ann
5148 (get_tree_ann): Rename to ...
5149 (tree_common_ann): This one; return only common_ann.
5150 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5153 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5155 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5156 with_cpu by default.
5158 * dwarf2out.c (dwarf_file_data): New.
5159 (enum dw_val_class): Add dw_val_class_file.
5160 (struct dw_val_struct): Add val_file.
5161 (file_table): Change to a hash table.
5162 (file_table_emitted): Delete.
5163 (file_table_last_lookup_index): Delete.
5164 (emitcount): Delete.
5165 (last_emitted_file): New.
5166 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5167 (init_file_table): Delete.
5168 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5169 (AT_addr): Add comment.
5173 (print_die): Handle dw_val_class_file.
5174 (print_dwarf_line_table): Update for new file table structure.
5175 (attr_checksum): Do checksum a filename.
5176 (same_dw_val_p, same_attr_p): Do compare a filename.
5177 (size_of_die): Handle dw_val_class_file.
5178 (value_format): Likewise.
5179 (output_die): Likewise. Also, call maybe_emit_file here.
5180 (struct file_info): Constify filenames. Make file_idx a pointer
5181 to a struct dwarf_file_data.
5182 (struct dir_info): Constify directory names. Remove 'used' field.
5183 (struct file_name_acquire_data): New.
5184 (file_name_acquire): New.
5185 (output_file_names): Modify to handle new file data structures.
5186 (add_src_coords_attributes): Use add_AT_file.
5187 (add_call_src_coords_attributes): Likewise.
5188 (dwarf2out_imported_module_or_decl): Likewise.
5189 (gen_subprogram_die): Modify for new file data structures.
5190 (gen_variable_die): Likewise.
5191 (file_table_eq): New.
5192 (file_table_hash): New.
5193 (file_table_last_lookup): New.
5194 (lookup_filename): Rewrite to handle new file data structures.
5195 (maybe_emit_file): Rewrite to handle new file data structures.
5196 (dwarf2out_source_line): Always call lookup_filename and
5198 (dwarf2out_init): Create file_table here.
5199 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5200 (file_table_relative_p): New.
5201 (dwarf2out_finish): Change detection of relative filenames
5202 to work with new file data structures. Move output_line_info call
5203 after debug_info output.
5205 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5210 * config/i386/i386.c (override_options): Always default to 16
5211 byte stack boundary.
5213 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5216 * var-tracking.c (dump_dataflow_set): Start dumping at
5218 (clobber_variable_part): Kill only the variable part in
5219 registers holding it, leaving other variables alone.
5221 2006-09-11 Josh Triplett <josh@freedesktop.org>
5223 * doc/extend.texi (Other Builtins): Actually use the macro
5224 argument in the documentation example for
5225 __builtin_types_compatible_p.
5227 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5229 PR rtl-optimization/28726
5230 * sched-deps.c (sched_analyze_reg): New function extracted from...
5231 (sched_analyze_1): ...here. Call it to analyze references to
5232 registers. Treat again writes to a stack register as writing to the
5234 (sched_analyze_2): ...and here. Call it to analyze references to
5235 registers. Treat again reads of a stack register as reading the
5238 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5239 David Edelsohn <edelsohn@gnu.org>
5242 * config/rs6000/spe.md (frob_df_di): Remove %H.
5243 (frob_di_df): Remove %H. Change evmergelo to mr.
5244 (frob_di_df_2): Remove %H. Change evldd to two loads.
5246 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5248 * doc/cpp.texi: Fix names of charset options.
5250 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5253 * config/i386/i386.c (override_options): Use 128-bit
5254 stack boundary always for 64bits.
5256 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5258 PR rtl-optimization/28636
5259 * combine.c (force_to_mode): Test for side-effects before
5260 substituting by zero.
5261 (simplify_shift_const): Likewise for zero or other constants.
5263 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5266 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5269 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5272 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5273 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5274 returned by mode_for_size, rather than the mode of src itself,
5275 to choose between 32-bit and 64-bit patterns.
5276 (mips_mem_fits_mode_p): New function.
5277 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5278 that the size of the source matches the size of the destination.
5279 (mov_<store>l, mov_<store>r): Likewise.
5281 2006-09-10 Eric Christopher <echristo@apple.com>
5283 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5286 2006-09-09 Eric Christopher <echristo@apple.com>
5289 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5292 2006-09-09 Roger Sayle <roger@eyesopen.com>
5293 Nicolas Setton <setton@adacore.com>
5295 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5297 2006-09-10 Andreas Schwab <schwab@suse.de>
5299 * config/m68k/m68k.md (bungt_rev): New pattern.
5301 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5302 Dale Johannesen <dalej@apple.com>
5305 * regclass.c (struct reg_pref): Update documentation.
5306 (regclass): Set prefclass to NO_REGS if memory is the best option.
5307 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5309 2006-09-08 Eric Christopher <echristo@apple.com>
5311 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5312 * config/t-slibgcc-darwin: Support x86_64 multilib.
5313 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5314 Return 1 for x86_64-darwin.
5315 * config/i386/t-darwin: Add m64 multilib.
5316 (LIB2_SIDITI_CONV_FUNCS): Use.
5317 (LIB2FUNCS_EXTRA): Ditto.
5318 * config/i386/darwin.h: Support x86_64.
5319 * config/i386/i386.c (override_options): Turn on flag_pic
5320 for x86_64-darwin. Disable flag_omit_pointer.
5321 (get_pc_thunk_name): Assert !TARGET_64BIT.
5322 (legitimate_address_p): Disable machopic addressing for
5324 (legitimize_pic_address): Ditto.
5325 (ix86_expand_move): Ditto.
5326 (ix86_expand_call): Ditto.
5327 (machopic_output_stub): Ditto.
5328 * config/darwin.c (machopic_select_section): Support literal16.
5329 (machopic_select_rtx_section): Ditto.
5330 * config/darwin-sections.def: Ditto.
5331 * config/darwin-64.c: New.
5333 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5336 * c-tree.h (struct c_arg_info): Add pending_sizes.
5337 * c-parser.c (c_parser_parms_declarator,
5338 c_parser_parms_list_declarator): Initialize pending_sizes.
5339 * c-decl.c (get_parm_info): Initialize pending_sizes.
5340 (get_parm_info): Set pending_sizes.
5341 (grokdeclarator): Call put_pending_sizes for parameters for
5342 function definition only.
5344 2006-09-07 Jason Merrill <jason@redhat.com>
5347 * varasm.c (output_constant): Only strip actual no-op conversions.
5350 * config/i386/i386.c (override_options): Use 128-bit
5351 stack boundary if -msse.
5353 2006-09-07 Eric Christopher <echristo@apple.com>
5355 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5357 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5360 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5362 * dwarf2out.c: Remove strange characters from comment above
5363 dwarf2out_frame_debug_expr.
5365 2006-09-07 Eric Christopher <echristo@apple.com>
5367 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5368 * config/darwin.h: ... to here.
5370 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5372 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5374 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5375 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5377 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5378 TARGET_PARTIAL_FLAG_REG_STALL.
5379 (*ashldi3_cconly_rex64): Likewise.
5380 (*ashlsi3_cmp): Likewise.
5381 (*ashlsi3_cconly): Likewise.
5382 (*ashlsi3_cmp_zext): Likewise.
5383 (*ashlhi3_cmp): Likewise.
5384 (*ashlhi3_cconly): Likewise.
5385 (*ashlqi3_cmp): Likewise.
5386 (*ashlqi3_cconly): Likewise.
5387 (*ashrdi3_cmp_rex64): Likewise.
5388 (*ashrdi3_cconly_rex64): Likewise.
5389 (*ashrsi3_cmp): Likewise.
5390 (*ashrsi3_cconly): Likewise.
5391 (*ashrsi3_cmp_zext): Likewise.
5392 (*ashrhi3_cmp): Likewise.
5393 (*ashrhi3_cconly): Likewise.
5394 (*ashrqi3_cmp): Likewise.
5395 (*ashrqi3_cconly): Likewise.
5396 (*lshrdi3_cmp_rex64): Likewise.
5397 (*lshrdi3_cconly_rex64): Likewise.
5398 (*lshrsi3_cmp): Likewise.
5399 (*lshrsi3_cconly): Likewise.
5400 (*lshrsi3_cmp_zext): Likewise.
5401 (*lshrhi3_cmp): Likewise.
5402 (*lshrhi3_cconly): Likewise.
5403 (*lshrqi2_cmp): Likewise.
5404 (*lshrqi2_cconly): Likewise.
5406 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5409 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5410 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5411 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5412 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5413 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5414 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5415 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5416 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5417 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5418 implement only CC setting effects of shift instructions.
5420 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5422 * doc/contrib.texi: Add myself.
5424 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5427 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5428 was set by the user.
5430 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5433 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5434 (divsi_inv_m1): Use them.
5435 (UNSPEC_DIV_INV_TABLE): New constant.
5437 2006-09-06 James E Wilson <wilson@specifix.com>
5440 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5441 then call count_or_remove_death_notes.
5443 2006-09-06 Jason Merrill <jason@redhat.com>
5446 * tree-inline.c (copy_result_decl_to_var): New fn.
5447 (declare_return_variable): Use it. Call declare_inline_vars here.
5448 (expand_call_inline): Not here.
5450 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5452 * doc/contrib.texi: Update my entry.
5454 2006-09-06 Nick Clifton <nickc@redhat.com>
5456 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5458 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5461 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5462 (canonicalize_induction_variables): Likewise.
5463 (tree_unroll_loops_completely): Likewise.
5464 (tree_ssa_prefetch_arrays): Likewise.
5465 (remove_empty_loops): Likewise.
5466 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5467 TODO_cleanup_cfg instead of directly calling
5468 cleanup_tree_cfg_loop.
5469 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5471 (tree_unroll_loops_completely): Likewise.
5472 (remove_empty_loops): Likewise.
5473 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5474 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5475 of tree_ssa_unswitch_loops.
5476 (tree_ssa_loop_ivcanon): Use the return value of
5477 canonicalize_induction_variables.
5478 (tree_ssa_empty_loop): Use the return value of
5480 (tree_complete_unroll): Use the return value of
5481 tree_unroll_loops_completely.
5482 (tree_ssa_loop_prefetch): Use the return value of
5483 tree_ssa_prefetch_arrays.
5484 * passes.c (execute_todo): Before Cleanup CFG, set
5485 updating_used_alone and after cleanup CFG, call
5486 recalculate_used_alone.
5488 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5491 * tree-vect-transform.c (vectorizable_condition): Move the check
5492 for the type after the check for simple condition.
5494 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5495 Kaz Kojima <kkojima@gcc.gnu.org>
5498 * mode-switching.c (optimize_mode_switching): Make the destination
5499 block of an abnormal edge have no anticipatable mode. Don't
5500 insert mode switching code at the end of the source block of
5503 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5505 PR rtl-optimization/26847
5506 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5507 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5508 (simplify_plus_minus): Count n_constants while filling ops. Replace
5509 qsort with insertion sort. Before going through the array to simplify
5510 pairs, sort it. Delay early exit until after the first sort, exiting
5511 only if no swaps occurred. Simplify pairs in reversed order, without
5512 special-casing the first iteration. Pack ops after simplifying pairs.
5514 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5516 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5517 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5518 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5519 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5521 2006-09-05 Richard Guenther <rguenther@suse.de>
5523 PR tree-optimization/28900
5524 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5525 compound conditional before creating COND_EXPR condition.
5527 2006-09-05 Richard Guenther <rguenther@suse.de>
5529 PR tree-optimization/28905
5530 * tree-vrp.c (fix_equivalence_set): Manually implement
5531 !value_ranges_intersect_p to also handle symbolic ranges.
5533 2006-09-05 Richard Guenther <rguenther@suse.de>
5536 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5539 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5541 PR rtl-optimization/27616
5542 * cse.c (table_size): New static variable.
5543 (new_basic_block): Initialize it to 0.
5544 (remove_from_table): Decrement it.
5545 (insert): Increment it.
5546 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5547 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5548 fold_rtx_mem_1 if under the cap.
5549 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5550 the lookup of the equivalent expression and test for equality of the
5551 first operand of the equivalent expression before in turn looking up
5552 an equivalent constant for the second operand.
5554 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5557 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5558 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5559 pointer, instead of assuming it is possible to derive the
5560 correct args size from a call insn.
5562 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5565 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5566 (fold_builtin_mempcpy): Rename to...
5567 (fold_builtin_memory_op): ... this. Optimize one element copy
5569 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5571 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5572 (expand_builtin_memcpy, expand_builtin_mempcpy,
5573 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5574 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5575 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5576 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5578 2006-09-01 DJ Delorie <dj@redhat.com>
5580 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5581 (stzx_16): Likewise.
5582 ("stzx_24_<mode>"): Likewise.
5583 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5584 ("cmp<mode>_op"): New.
5585 (cmp<mode>): Change to expander; just save operands.
5587 (b<code>): Change to expander, emit compare here.
5588 (s<code>_op): Change to use split and expander.
5589 (s<code>_24_op): Likewise.
5590 (s<code>_<mode>): New.
5591 (s<code>_<mode>_24): New.
5592 (movqicc_<code>_<mode): New.
5593 (movhicc_<code>_<mode>): New.
5596 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5597 (m32c_pend_compare): New.
5598 (m32c_unpend_compare): New.
5599 (m32c_expand_scc): New.
5600 (m32c_expand_movcc): Emit the compare also.
5601 * config/m32c/predicates.md (mra_nopp_operand): New.
5603 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5604 Richard Guenther <rguenther@suse.de>
5605 Adam Nemet <anemet@caviumnetworks.com>
5608 * builtins.c (get_pointer_alignment): Handle more forms
5609 of base addresses that can be used to derive more precise
5610 information about alignment.
5612 2006-09-01 Jason Merrill <jason@redhat.com>
5615 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5618 * gimplify.c (voidify_wrapper_expr): Handle null type.
5620 2006-09-01 Josh Conner <jconner@apple.com>
5623 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5624 (execute_return_slot_opt): Use it.
5626 2006-08-31 Josh Conner <jconner@apple.com>
5629 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5630 returning aggregates.
5632 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5634 PR tree-optimization/28839
5635 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5636 blocks in that phi arguments appear.
5638 2006-08-31 Roger Sayle <roger@eyesopen.com>
5641 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5642 NULL, otherwise use an advance_loc4 to adjust relative to the
5644 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5645 (dwarf2out_switch_text_section): Reset the current label to avoid
5646 using advance_loc4 over section boundaries.
5648 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5651 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5652 r12 + SYMBOLIC_CONST.
5654 2006-08-30 Richard Guenther <rguenther@suse.de>
5656 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5658 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5660 PR rtl-optimization/27735
5661 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5662 Add new argument to keep track of whether an irreducible region
5663 was affected. All callers changed.
5664 (fix_irreducible_loops): Removed.
5665 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5666 flags were invalidated.
5668 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5670 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5671 instead of SF operands.
5672 (*fop_df_comm_sse): Likewise.
5673 (*fop_df_comm_i387): Likewise.
5674 (*fop_df_1_mixed): Likewise.
5675 (*fop_df_1_sse): Likewise.
5677 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5678 J"orn Rennecke <joern.rennecke@st.com>
5680 PR tree-optimization/17506
5681 * tree-ssa.c (warn_uninit): If warning about a location outside of
5682 the current function, note where the variable was declared.
5684 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5686 PR tree-optimization/28411
5687 * double-int.c (double_int_div): Use double_int_divmod.
5688 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5689 double_int_mod, double_int_smod, double_int_umod): New functions.
5690 * double-int.h (double_int_divmod, double_int_sdivmod,
5691 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5693 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5695 (get_computation_aff, get_computation_cost_at): Handle double_int
5696 return type of constant_multiple_of.
5698 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5701 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5702 an implicit conversion.
5704 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5706 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5708 2006-08-27 Roger Sayle <roger@eyesopen.com>
5710 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5713 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5715 * config/i386/crtfastmath.c: Fix a comment typo.
5717 2006-08-26 Roger Sayle <roger@eyesopen.com>
5719 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5720 temporary visit flags on CASE_LABEL_EXPRs.
5721 * c-common.c (match_case_to_enum): Add function comment. Avoid
5722 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5723 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5724 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5725 a constant, only warn if that constant value isn't handled.
5727 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5730 * input.h (restore_input_file_stack): Declare.
5731 (INPUT_FILE_STACK_BITS): Define.
5732 * toplev.c (fs_p, input_file_stack_history,
5733 input_file_stack_restored, restore_input_file_stack): New.
5734 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5735 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5736 (pop_srcloc): Don't free old state of stack.
5738 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5741 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5742 (PowerPC Type Attributes): New.
5744 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5746 * config/xtensa/xtensa.c (function_arg_boundary): New.
5747 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5749 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5750 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5752 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5755 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5758 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5760 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5761 (verify_local_live_at_start): Likewise.
5763 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5766 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5767 omp_add_variable): Treat sizes as variable whenever not
5770 2006-08-26 Richard Guenther <rguenther@suse.de>
5773 * fold-const.c (fold_binary): Fold temporary to correct
5774 type before constructing new comparison.
5776 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5779 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5780 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5782 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5785 * c-decl.c (start_function): Don't try to process prototype
5786 information from old declaration that isn't a function.
5788 2006-08-25 Jan Hubicka <jh@suse.cz>
5791 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5793 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5796 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5799 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5801 PR tree-optimization/16876
5802 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5803 exit if PARM doesn't match VALUE.
5805 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5807 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5808 literal_prefix directive.
5809 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5810 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5811 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5813 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5816 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5817 predicate to general_operand. Add 0->y and I->r alternatives.
5819 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5821 * doc/tm.texi: Fix a typo.
5822 * predict.c: Fix comment typos.
5824 2006-08-25 Nick Clifton <nickc@redhat.com>
5826 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5827 assertions of "cpu" and "machine".
5829 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5832 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5833 the access through a base which has an alias set of 0 cannot
5836 2006-08-24 Bill Wendling <wendling@apple.com>
5838 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5840 2006-08-24 Jan Hubicka <jh@suse.cz>
5842 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5844 2006-08-24 Jan Hubicka <jh@suse.cz>
5847 * cgraph.c: Fix comments.
5848 (cgraph_varpool_mark_needed_node): Mark only variables not already
5850 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5851 (cgraph_varpool_assembled_nodes_queue): New static variable.
5852 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5853 (cgraph_varpool_output_debug_info): New function.
5854 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5855 * Makefile.in: Add gt-cgraphunit.h
5857 2006-08-24 Jan Hubicka <jh@suse.cz>
5859 * predict.c (probability_reliable_p): New predicate.
5860 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5861 (predict_loops): Do not predict loop exit with less than 2%
5863 * basic-block.h (edge_probability_reliable_p,
5864 br_prob_note_reliable_p): Declare.
5865 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5866 prediction when static predictor is not reliable.
5867 * rs6000.c (output_cbranch): Likewise.
5869 2006-08-23 Stuart Hastings <stuart@apple.com>
5872 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5873 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5875 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5878 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5879 complex values, nor for generic vector values.
5881 2006-08-22 Richard Guenther <rguenther@suse.de>
5884 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5885 parameter. Convert arguments to arithmetic expression to the
5887 (analyze_scalar_evolution_1): Adjust caller.
5889 2006-08-22 Jan Hubicka <jh@suse.cz>
5891 Patch by Paolo Bonzini
5892 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5895 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5897 PR tree-optimization/28003
5898 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5899 before grouping aliases.
5901 2006-08-22 Roger Sayle <roger@eyesopen.com>
5903 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5904 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5906 2006-08-21 Jason Merrill <jason@redhat.com>
5909 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5910 wrapper. Loop to handle nested wrappers.
5911 (gimplify_bind_expr): Remove temp parameter.
5912 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5913 and STATEMENT_LIST on the rhs.
5914 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5915 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5916 (gimplify_target_expr): Remove special BIND_EXPR handling.
5918 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5920 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5923 2006-08-21 Olivier Hainque <hainque@adacore.com>
5925 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5926 Arrange for the temporary captures of components overlapping the lhs
5927 to happen before the lhs is possibly cleared.
5929 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5931 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5932 necessary places to pass the correct "number of registers" values
5935 2006-08-20 Jan Hubicka <jh@suse.cz>
5937 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5938 (create_name_tags): Instead of quadratic checking use hashtable.
5939 * bitmap.h: Include hashtab.h.
5940 (bitmap_hash): Declare.
5941 * bitmap.c (bitmap_hash): New function.
5943 2006-08-20 Jan Hubicka <jh@suse.cz>
5945 PR rtl-optimization/28071
5946 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5948 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5949 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5950 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5951 cgraph_decide_inlining_incrementally): Update use of
5952 cgraph_check_inline_limits.
5953 * cgraph.c (edge_hash, edge_eq): New function.
5954 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5955 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5956 cgraph_remove_node): Maintain call site hash.
5957 * cgraph.h (struct cgraph_node): Add call_site_hash.
5958 (cgraph_set_call_stmt): New function.
5960 2006-08-20 Jan Hubicka <jh@suse.cz>
5962 PR rtl-optimization/28071
5963 * reload1.c (reg_has_output_reload): Turn into regset.
5964 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
5965 choose_reload_regs, emit_reload_insns): Update to new
5966 reg_has_output_reload.
5968 2006-08-20 Jan Hubicka <jh@suse.cz>
5971 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
5972 function body sizes.
5973 * cgraphunit.c (cgraph_analyze_function): Don't do so.
5975 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
5978 * tree.c (handle_dll_attribute): Return early if not a
5979 var or function decl.
5981 2006-08-18 Joseph Myers <joseph@codesourcery.com>
5984 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
5985 alignment of SPE vector types.
5987 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
5989 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
5991 2006-08-17 Jakub Jelinek <jakub@redhat.com>
5994 * cgraph.h (struct cgraph_node): Remove externally_visible
5996 * cgraphunit.c (process_function_and_variable_attributes): Set
5997 local.externally_visible rather than externally_visible.
6000 * c-common.c (handle_externally_visible_attribute): First look
6001 at TREE_CODE and only if it is function or var decl, check for
6002 non-public objects. Don't warn for DECL_EXTERNAL.
6003 * cgraphunit.c (process_function_and_variable_attributes): Warn
6004 if externally_visible attribute is used on non-public object.
6006 2006-08-17 Jan Hubicka <jh@suse.cz>
6008 PR tree-optimization/27865
6009 * reload1.c (forget_marked_reloads): New function.
6010 (forget_old_reloads_1): When data are passed, just mark the registers
6012 (reload_as_needed): Use the new mechanizm.
6014 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6017 * reload.h (reg_equiv_alt_mem_list): New declaration.
6018 * reload1.c (reg_equiv_alt_mem_list): New definition.
6019 (reload): Initialize it and release it.
6020 (delete_output_reload): Use it.
6021 * reload.c (push_reg_equiv_alt_mem): New function.
6022 (find_reloads_toplev): Call it.
6023 (find_reloads_address, find_reloads_address_1): Likewise.
6024 (find_reloads_subreg_address): Likewise.
6026 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6028 PR rtl-optimization/28489
6029 * sched-ebb.c (begin_schedule_ready): Create basic block
6031 (advance_target_bb): Skip empty blocks.
6032 * haifa-sched.c (bb_note): Make global.
6033 * sched-int.h (bb_note): Add prototype.
6035 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6037 PR tree-optimization/27865
6038 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6040 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6041 fold_used_pointer, pointer_used_p): New functions.
6042 (analyze_scalar_evolution_1): Use fold_used_pointer.
6043 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6044 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6047 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6050 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6051 or the INTEGER_CST. Fail on a CALL_EXPR.
6052 (fold_offsetof): Pass new argument to fold_offsetof_1.
6053 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6054 operand into an INDIRECT_REF.
6055 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6057 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6059 PR gcov/profile/26570
6060 * value-prof.c (static_values): Removed.
6061 (tree_find_values_to_profile): Do not set static_values.
6062 (find_values_to_profile): Do not free static_values.
6063 * profile.c (instrument_values): Do not free the values.
6064 (branch_prob): Free the values.
6066 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6068 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6070 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6073 * c-typeck.c (build_component_ref): Combine qualifiers of
6074 structure or union and field.
6076 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6078 PR rtl-optimization/28071
6079 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6080 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6081 * tree-into-ssa.c (struct dom_dfsnum): New.
6082 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6084 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6085 compute_global_livein.
6086 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6087 in phi nodes in the correct blocks.
6089 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6091 PR tree-optimization/28364
6092 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6094 (fold_affine_expr): New function.
6095 (may_eliminate_iv): Use fold_affine_expr.
6097 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6100 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6103 2006-08-16 Mike Stump <mrs@apple.com>
6105 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6106 * doc/cppopts.texi (-MD): Likewise.
6108 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6111 * c-common.c (handle_weak_attribute): Ignore and warn if
6112 not a FUNCTION_ or VAR_DECL.
6114 2006-07-15 Mike Stump <mrs@apple.com>
6117 * c-parser.c (c_parser_typeof_specifier): Don't use
6118 c_finish_expr_stmt, open code desired semantics instead.
6120 2006-08-15 Nick Clifton <nickc@redhat.com>
6122 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6123 fragment to tmake_file only if threads are enabled.
6124 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6125 * config/i386/t-gthr-win32: New file. ... here.
6127 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6130 * c-parser.c (c_parser_compound_statement_nostart): Reset
6131 parser->error after each statement.
6133 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6136 * omp-low.c (lower_omp_parallel): Convert t to
6137 receiver_decl's type.
6138 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6139 source before comparison.
6142 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6143 to itype in assignment to oldival2.
6145 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6149 * c-typeck.c (build_compound_expr): If the second expression
6150 is an error mark, then just return an error mark instead of
6151 creating a COMPOUND_EXPR.
6153 2006-07-14 Mike Stump <mrs@apple.com>
6155 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6157 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6159 * c-decl.c, var-tracking.c: Fix comment typos.
6161 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6163 PR rtl-optimization/28634
6164 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6165 for floating-point modes unless flag_unsafe_math_optimizations.
6167 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6168 Andrew Pinski <pinskia@physics.uc.edu>
6171 * tree.c (build_array_type): Unify array types with
6172 unspecified index_type.
6173 * c-decl.c (grokdeclarator): Make sure we do not modify a
6174 unified incomplete array type.
6175 * c-typeck.c (store_init_value): Create distinct type before
6176 filling in the index type in an initializer from a compound
6179 * c-decl.c (grokdeclarator): Remove code where we copy the
6182 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6184 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6185 into account for TODO_dump_cgraph.
6186 (TODO_update_ssa_no_phi): Likewise.
6187 (TODO_update_ssa_full_phi): Likewise.
6188 (TODO_update_ssa_only_virtuals): Likewise.
6189 (TODO_remove_unused_locals): Likewise.
6190 (TODO_set_props): Likewise.
6191 (TODO_update_stmt_usage): Likewise.
6193 2006-08-13 Dirk Mueller <dmueller@suse.de>
6195 * c-common.c (strict_aliasing_warning): Fix formatting.
6197 2006-08-13 Matthias Klose <doko@debian.org>
6199 * doc/invoke.texi: Fix spelling errors.
6201 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6203 PR rtl-optimization/23454
6204 * reorg.c (relax_delay_slots): Update comment.
6206 2006-08-11 Richard Guenther <rguenther@suse.de>
6209 * simplify-rtx.c (simplify_const_relational_operation):
6210 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6213 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6215 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6216 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6218 2006-08-10 Paul Brook <paul@codesourcery.com>
6220 * final.c (final_scan_insn): Clear current_insn_predicate before
6221 outputting inline asm.
6223 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6225 PR tree-optimization/26197
6226 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6227 get_ref_base_and_extent and overlap_subvar to add only relevant
6228 subvars as may-aliases.
6229 (add_may_alias_for_new_tag): New function, factored out of
6231 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6232 with additional argument.
6233 * tree-flow.h (new_type_alias): Takes additional argument.
6235 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6237 * gcov.c (no_data_file): New flag.
6238 (read_count_file): Set it if data file not present. Assume counts
6240 (output_lines): Don't name the data file, if there wasn't one.
6242 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6244 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6245 (rs6000_generate_compare): Tweak comments.
6246 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6248 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6250 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6251 (var_debug_decl): New function.
6252 (var_reg_set): Follow debug decl link. Add location even if
6253 reg is already known to hold some other variable.
6254 (var_mem_set): Follow debug decl link.
6255 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6256 decl link. Delete other known locations of the variable part
6258 (var_reg_delete, var_mem_delete): Delete other known locations
6259 of the variable part if requested.
6260 (same_variable_part_p): New function.
6261 (add_stores): Select MO_COPY when appropriate.
6262 (vt_initialize): Handle it.
6263 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6264 known locations for MO_SET and MO_CLOBBER.
6265 (find_variable_location_part): New function.
6266 (set_variable_part, delete_variable_part): Use it.
6267 (clobber_variable_part): New function.
6268 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6271 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6273 PR tree-optimization/26969
6274 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6275 with an empty list of PHIs.
6277 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6281 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6284 2006-08-06 Andreas Schwab <schwab@suse.de>
6286 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6287 string. Whitespace and comment fixup.
6289 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6292 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6296 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6299 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6301 2006-08-04 Jan Hubicka <jh@suse.cz>
6305 * reload.c (push_reload): Patch out the mismatching instruction;
6307 (find_reload): Bail out if the instruction was patched out.
6309 2006-08-04 Jan Hubicka <jh@suse.cz>
6311 PR tree-optimization/24888
6312 * tree-inline.c (expand_call_inline): Do not re-record variables.
6313 (declare_inline_vars): Add variable to unexpanded_var_list.
6315 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6316 Roger Sayle <roger@eyesopen.com>
6318 PR rtl-optimization/26244
6319 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6320 inner_const are negative or greater than or equal to the bitsize of
6321 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6322 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6323 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6324 CONST0_RTX (mode) when the new shift count is greater than or equal to
6325 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6328 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6330 * tree-cfg.c: Fix a comment typo.
6332 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6335 * varasm.c (output_constant): Give the front end another chance to
6336 expand constants, after stripping NOPs.
6338 2006-08-03 Jan Hubicka <jh@suse.cz>
6340 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6343 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6345 PR tree-optimization/27770
6346 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6347 declaration removed (moved to tree-flow.h).
6348 (vect_can_force_dr_alignment_p): Likewise.
6349 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6350 (moved from tree-vectorizer.h).
6351 (vect_can_force_dr_alignment_p): Likewise.
6352 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6353 from outside the vectorizer - in particular from cgraph stage.
6354 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6355 the alignment of global arrays when -fsection-anchors is enabled.
6356 * cgraphunit.c (cgraph_increase_alignment): New function.
6357 (cgraph_optimize): Call cgraph_increase_alignment.
6359 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6362 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6363 not reload a SPE symbol_ref into a lo_sum address.
6365 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6368 * dwarf2out.c (prune_unused_types_prune): Move call to
6369 prune_unused_types_update_strings to cover the parent DIE also.
6371 2006-08-02 Jan Hubicka <jh@suse.cz>
6373 PR gcov/profile/28480
6374 * tree-cfg.c (change_bb_for_stmt): New function.
6375 (tree_merge_blocks, tree_split_blocks): Use it.
6377 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6383 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6384 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6385 (cgraph_optimize): Likewise.
6387 2006-08-01 Stuart Hastings <stuart@apple.com>
6389 * rtl.h (UINTVAL) New.
6390 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6391 * testsuite/gcc.dg/20060801-1.c: New.
6393 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6396 * c-typeck.c (build_external_type): Mark used enum types.
6397 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6399 (gen_subprogram_die): Whitespace fix.
6401 2006-08-01 Jan Hubicka <jh@suse.cz>
6403 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6404 bitmap when not needed.
6405 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6408 2006-08-01 Dirk Mueller <dmueller@suse.de>
6410 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6412 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6414 * Makefile.in: Revert part of previous patch:
6415 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6418 2006-07-30 Eric Christopher <echristo@apple.com>
6421 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6422 (PowerPC Variable Attributes): New section.
6424 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6426 PR target/28126 (partial fix)
6427 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6429 2006-07-28 Jan Hubicka <jh@suse.cz>
6431 PR rtl-optimization/28071
6432 * cfgrtl.c (rtl_delete_block): Free regsets.
6433 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6435 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6437 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6438 and variables used in dependencies.
6440 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6442 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6443 %fs for -mcmodel=kernel.
6444 (stack_tls_protect_test_di): Likewise.
6446 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6448 * Makefile.in: Use mkinstalldirs.
6450 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6453 * opts-common.c (prune_options): Skip joined switches.
6455 2006-07-27 Jan Hubicka <jh@suse.cz>
6457 PR rtl-optimization/28071
6458 * cselib.c (cselib_process_insn): Don't remove useless values too
6459 often for very large hashtables.
6461 2006-07-27 Jan Hubicka <jh@suse.cz>
6463 PR rtl-optimization/28071
6464 * global.c (greg_obstack): New obstack.
6465 (allocate_bb_info): Use it.
6466 (free_bb_info): Likewise.
6467 (modify_reg_pav): Likewise.
6469 2006-07-27 Roger Sayle <roger@eyesopen.com>
6471 * builtins.c (fold_fixed_mathfn): When long and long long are the
6472 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6473 functions to their lceil*, lfloor*, lround* and lrint* forms.
6475 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6478 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6480 (rev_branch_insn): Likewise.
6482 2006-07-27 Jan Hubicka <jh@suse.cz>
6484 PR rtl-optimization/28071
6485 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6486 (reg_set_in_bb, max_reg_computed): New static variables.
6487 (regmove_optimize): Free the new array.
6488 (fixup_match_1): Update call of reg_is_remote_constant_p.
6490 2006-07-26 Jan Hubicka <jh@suse.cz>
6492 PR tree-optimization/27882
6493 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6495 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6497 (cgraph_analyze_compilation_unit): Likewise.
6498 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6499 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6500 (cgraph_early_inlinine): Make order garbage collected.
6501 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6503 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6505 * dbxout.c (output_types_sort): Add a comment.
6506 (output_used_types): Free the VEC.
6508 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6510 * function.c (reorder_fix_fragments): Delete.
6511 (reorder_blocks): Don't call it.
6512 (reorder_blocks_1): Put all subblocks under the origin block.
6514 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6516 PR rtl-optimization/27907
6517 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6520 2006-07-25 Roger Sayle <roger@eyesopen.com>
6523 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6524 bar(x) check that bar's result type can represent all the values of T.
6526 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6528 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6530 2006-07-25 Nick Clifton <nickc@redhat.com>
6532 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6533 size_lookup[] array.
6534 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6535 (ggc_pch_count_object): Likewise.
6536 (ggc_pch_alloc_object): Likewise.
6537 (ggc_pch_write_object): Likewise.
6538 (init_ggc): Do not attempt to initialize entries in the
6539 size_lookup[] array for objects whose size is greater than than
6540 the length of the array.
6542 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6544 * dbxout.c (output_used_types_helper): Push queued types
6546 (output_types_sort): New.
6547 (output_used_types): Collect used types on a VEC and sort them
6550 2006-07-24 Richard Guenther <rguenther@suse.de>
6553 * cgraph.c (cgraph_remove_node): Do not check if dumps
6555 * cgraphunit.c (cgraph_optimize): Likewise.
6557 2006-07-24 Jan Hubicka <jh@suse.cz>
6559 PR rtl-optimization/28071
6560 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6561 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6562 splitting before first stmt.
6564 2006-07-24 Jan Hubicka <jh@suse.cz>
6566 PR rtl-optimization/28071
6567 * ipa-inline.c (update_caller_keys): Remove edges that
6568 are no longer inline candidates.
6570 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6573 * dbxout.c (output_used_types_helper, output_used_types): New.
6574 (dbxout_symbol): Call output_used_types.
6576 2006-07-23 Jan Hubicka <jh@suse.cz>
6580 * cgraph.c (cgraph_varpool_nodes): Export.
6581 (decide_is_variable_needed): Ignored "used" attribute in
6582 unit-at-a-time mode.
6583 * cgraph.h (cgraph_varpool_nodes): Declare.
6584 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6585 unit-at-a-time mode.
6587 2006-07-23 Roger Sayle <roger@eyesopen.com>
6590 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6591 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6592 the __gthrw form of thr_keycreate.
6593 (__gthread_key_delete): Silence the unused argument warning.
6595 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6598 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6599 Cache the last found '\0' marker to avoid quadratic behavior.
6601 2006-07-23 Jan Hubicka <jh@suse.cz>
6603 * i386.md (subsi_3_zext): Fix output template.
6605 2006-07-21 Mike Stump <mrs@apple.com>
6607 * doc/invoke.texi (C++ Dialect Options): Note that
6608 -fvisibility-inlines-hidden doesn't affect explicitly
6609 instantiationed inline methods.
6611 2006-07-20 Roger Sayle <roger@eyesopen.com>
6613 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6614 if the target assembler is GNU binutils' gas.
6615 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6616 whether to pass GNU gas or native as command line options.
6618 2006-07-20 Jason Merrill <jason@redhat.com>
6620 * tree.c (remove_attribute): New fn.
6621 * tree.h: Declare it.
6623 2006-07-20 Paul Brook <paul@codesourcery.com>
6626 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6627 they are invalidated by this instruction.
6629 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6632 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6634 2006-07-20 Eric Christopher <echristo@apple.com>
6637 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6639 2006-07-19 Eric Christopher <echristo@apple.com>
6641 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6642 Rewrite dependencies for libgcc_s.1.dylib.
6644 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6646 * except.c (duplicate_eh_regions_1): Clear next_peer.
6648 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6650 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6651 -mlongcall does not guarantee all calls will be long.
6652 * doc/extend.texi (long_call/short_call): Document that longcall
6653 does not guarantee a long call will be used.
6654 (longcall/shortcall): Likewise.
6656 2006-07-18 Roger Sayle <roger@eyesopen.com>
6659 * expmed.c (expand_shift): Additionally check that the shift_cost
6660 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6661 before implementing a LSHIFT_EXPR as a sequence of additions.
6662 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6663 middle-end that DImode shifts need to be synthesized by expand.
6665 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6668 * tree-ssa-operands.c (access_can_touch_variable): Update
6670 Return true if ALIAS is .GLOBAL_VAR.
6672 2006-07-18 David Daney <ddaney@avtrex.com>
6674 * gcc.c (display_help): Fix typo in help text.
6676 2006-07-18 Olivier Hainque <hainque@adacore.com>
6678 * tree.h (categorize_ctor_elements): Adjust prototype and add
6679 descriptive comment, both in accordance with the interface change
6681 * varasm.c (constructor_static_from_elts_p): New function.
6682 Whether a constructor node is a valid static constant initializer
6683 if all its elements are.
6684 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6685 * output.h: Declare it.
6686 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6687 is a valid constant initializer instead of computing the number of
6688 non-constant elements. Use constructor_static_from_elts_p for this
6689 purpose. Replace the head comment with an indication that this is a
6690 helper for categorize_ctor_elements.
6691 (categorize_ctor_elements): Same interface change as for the _1
6692 helper. Former head comment from this helper moved here, adjusted to
6693 account for the interface changes.
6694 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6695 (all_zeros_p): Likewise.
6696 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6697 static versions of the constructor from the categorize_ctor_elements
6698 return value instead of the formerly computed number of non-constant
6701 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6703 * configure: Regenerate.
6704 * Makefile.in (build_libsubdir): New configure substitution
6705 (build_libobjdir): New variable.
6706 (BUILD_LIBIBERTY): Use it.
6708 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6711 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6713 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6716 * c-common.c (handle_weakref_attribute): Ignore attribute in
6717 the same conditions the alias attribute is ignored.
6719 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6721 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6722 (dbxout_begin_prologue): Increment scope_labelno.
6724 2006-07-17 Richard Henderson <rth@redhat.com>
6727 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6730 2006-07-17 Roger Sayle <roger@eyesopen.com>
6731 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6733 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6734 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6735 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6736 functions such as sbrk, write, etc.. Add function prototypes.
6737 Convert function declarations from K&R to ISO C. Cast pointers
6738 to "long" and "unsigned long" instead of "int" and "unsigned int".
6739 Convert tokens following #endif into comments.
6741 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6743 * invoke.texi: Remove mention of f77; Reformat table for
6744 inline parameter options correctly; mention that -malign-double
6745 is default on x86-64 targets.
6747 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6749 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6750 (convert_affine_scev, chrec_convert_aggressive): Use
6751 avoid_arithmetics_in_type_p. Do not check for the subtypes
6754 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6757 * optabs.c (expand_doubleword_shift): Wrap the call to
6758 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6760 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6763 * optabs.c (expand_binop): Pass next_methods rather than methods
6764 to expand_doubleword_shift.
6766 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6769 * tree.h (dump_addr): Declare.
6770 * print-tree.c (dump_addr): New function.
6771 (print_node_brief, print_node): Use it.
6772 * print-rtl.c (print_rtx): Likewise.
6773 * common.opt (-fdump-noaddr): New option.
6774 * doc/invoke.texi (-fdump-noaddr): Document.
6775 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6776 (ve_info_hash): Likewise.
6778 2006-07-13 Andrew Haley <aph@redhat.com>
6780 PR tree-optimization/19505
6781 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6782 edge leaving this block, make sure that the destination of this
6783 block has only one predecessor.
6785 2006-07-17 Richard Guenther <rguenther@suse.de>
6787 PR tree-optimization/28238
6788 * tree-inline.c (copy_bb): Check if we produced valid
6789 gimple copying and substituting a stmt. If not, gimplify
6792 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6794 * optabs.c (maybe_encapsulate_block): New function extracted from...
6795 (emit_libcall_block): ...here. Invoke it on the block of insns to
6796 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6797 (emit_no_conflict_block): Likewise.
6799 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6801 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6803 2006-07-15 Roger Sayle <roger@eyesopen.com>
6805 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6806 a new NOP_EXPR case of the switch statement.
6808 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6811 * stor-layout.c (place_field): Take the bit field with
6812 an excessive size into account in the ms-bitfiled case.
6815 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6816 the previous bit field.
6818 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6821 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6823 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6825 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6826 signal frames correctly even when the signal was installed with
6829 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6831 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6832 (dbxout_function_end): Use local label LFBB. Remove hook
6834 (dbxout_source_line): Use local label LFBB.
6835 (dbxout_block): Likewise.
6836 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6837 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6838 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6839 and DBX_OUTPUT_NFUN.
6841 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6843 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6845 2006-07-13 Jan Hubicka <jh@suse.cz>
6847 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6849 * output.h (align_variable): Declare.
6850 * varasm.c (align_variable): Export.
6851 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6852 when basic block changed.
6854 2006-07-13 Nick Clifton <nickc@redhat.com>
6856 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6857 walking the LOG_LINKS chain.
6859 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6861 * doc/invoke.texi (C++ Dialect Options): Explain difference
6862 between -fvisibility-inlines-hidden and setting hidden
6863 visibility explicitly.
6865 2006-07-12 Eric Christopher <echristo@apple.com>
6867 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6868 (stmp-lipo): Depend on libgcc.a.
6870 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6872 * tree.c: Fix a comment typo.
6874 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6876 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6878 (umulhisi3_r): Likewise.
6880 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6883 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6884 x < 19, vs wchar_t support.
6886 2006-07-12 Nick Clifton <nickc@redhat.com>
6888 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6889 instead of -isa=sh4.
6891 2006-07-12 Mike Stump <mrs@apple.com>
6893 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6895 2006-07-10 Eric Christopher <echristo@apple.com>
6897 * config/t-slibgcc-darwin: Rewrite.
6899 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6902 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6905 2006-07-08 Matthias Klose <doko@debian.org>
6907 * doc/sourcebuild.texi: Fix typo.
6909 2006-07-07 Mike Stump <mrs@apple.com>
6911 * toplev.c (process_options): Don't give -ffunction-sections may
6912 affect debugging warning for Mach-O.
6914 2006-07-07 James E Wilson <wilson@specifix.com>
6916 * config/mips/mips.md (cpu): Add sb1a.
6917 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6918 addition to sb1. Adjust comments to clarify SB-1A differences from
6920 (ir_sb1a_load): New. Modify bypasses to use it.
6921 (ir_sb1a_simple_alu): Likewise.
6922 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6923 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6924 (mips_issue_rate): Add PROCESSOR_SB1A.
6925 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6926 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6927 (TARGET_SB1): Add PROCESSOR_SB1A check.
6928 (TUNE_SB1): Likewise.
6930 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6931 * config/mips/mips.c (mips_store_data_bypass_p): New.
6932 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6933 store_data_bypass_p.
6935 2006-07-08 Paul Brook <paul@codesourcery.com>
6938 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6940 2006-07-07 Richard Guenther <rguenther@suse.de>
6943 * tree.h (build_one_cst): Declare.
6944 * tree.c (build_one_cst): New function.
6945 * tree-ssa-math-opts.c (get_constant_one): Remove.
6946 (insert_reciprocals): Use build_one_cst.
6947 * fold-const.c (fold_plusminus_mult): Likewise.
6949 2006-07-07 Roger Sayle <roger@eyesopen.com>
6951 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6952 * cfgloopanal.c (dump_graph): Likewise.
6953 * dojump.c (discard_pending_stack_adjust): Likewise.
6954 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6956 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
6957 * function.c (finalize_block_changes): Likewise.
6958 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
6959 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
6960 * rtl.c (dump_rtx_statistics): Likewise.
6961 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
6963 * varray.c (dump_varray_statistics): Likewise.
6964 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
6965 decode_decimal64, encode_decimal128, decode_decimal128,
6966 decimal_real_to_decimal): Likewise.
6968 2006-07-07 Richard Guenther <rguenther@suse.de>
6970 PR tree-optimization/28187
6971 * tree-vrp.c (vrp_operand_equal_p): New function.
6972 (vrp_bitmap_equal_p): Likewise.
6973 (update_value_range): Use them to compare old and new
6976 2006-07-06 Roger Sayle <roger@eyesopen.com>
6978 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
6979 a default case to switch statement to silence compiler warnings.
6981 2006-07-06 Roger Sayle <roger@eyesopen.com>
6984 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
6985 the configured assembler supports the x87's ffreep mnemonic.
6986 * configure: Regenerate.
6987 * config.in: Regenerate.
6989 * config/i386/i386.c (output_387_ffreep): New function.
6990 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
6991 (output_387_reg_move): Likewise.
6993 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
6995 Port to hosts whose 'sort' and 'tail' implementations
6996 treat operands with leading '+' as file names, as POSIX
6997 has required since 2001. However, make sure the code still
6998 works on pre-POSIX hosts.
6999 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7000 which says you should use "tail -c +N" rather than "tail +Nc".
7001 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7003 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7005 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7008 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7011 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7012 PRE_{INC,DEC} of TFmode.
7014 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7015 Alan Modra <amodra@bigpond.net.au>
7018 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7021 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7024 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7025 Remove duplicate gtu.
7027 2006-07-05 Jason Merrill <jason@redhat.com>
7031 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7032 * c-common.c (handle_packed_attribute): So don't copy it here.
7033 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7035 2006-07-05 Mike Stump <mrs@apple.com>
7037 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7039 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7042 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7044 2006-07-05 Richard Guenther <rguenther@suse.de>
7047 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7048 TARGET_SSE2 targets if using SSE math.
7049 (*absdf2_1): Likewise.
7051 2006-07-05 Richard Guenther <rguenther@suse.de>
7053 PR tree-optimization/28162
7054 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7055 make sure to convert the operands to the correct type.
7057 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7059 PR tree-optimization/28218
7061 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7062 to calculate and free the dominator information.
7064 2006-07-04 Peter O'Gorman <peter@pogma.com>
7066 * mklibgcc.in: chmod 644 before ranlib during install.
7068 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7069 J"orn Rennecke <joern.rennecke@st.com>
7071 * configure.ac (.eh_frame data check): Use diff -b.
7073 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7076 * Makefile.in (BUILD_RTL): Add build/vec.o.
7077 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7078 (build/genextract): Delete.
7079 (build/genautomata): Likewise.
7081 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7084 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7085 128-bit IBM long doubles for ABI_V4.
7087 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7089 * tree.c (range_in_array_bounds_p): New predicate.
7090 * tree.h (range_in_array_bounds_p): Declare it.
7091 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7092 return a less conservative answer.
7093 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7094 and flag 'is_group'.
7095 (IS_ELEMENT_FOR_GROUP): New macro.
7096 (FOR_EACH_ACTUAL_CHILD): Likewise.
7097 (next_child_for_group): New helper function.
7098 (can_completely_scalarize_p): Take into account groups.
7099 (sra_hash_tree): Handle RANGE_EXPR.
7100 (sra_elt_eq): Likewise.
7101 (lookup_element): Be prepared for handling groups.
7102 (is_valid_const_index): Delete.
7103 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7104 instead of is_valid_const_index.
7105 <ARRAY_RANGE_REF>: New case.
7106 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7107 is_valid_const_index.
7108 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7109 (scan_dump): Dump info for groups too.
7110 (decide_instantiation_1): Likewise.
7111 (decide_block_copy): Assert that the element is not a group.
7112 Propagate decision to groups.
7113 (generate_one_element_ref): Handle RANGE_EXPR.
7114 (mark_no_warning): Iterate over actual childs.
7115 (generate_copy_inout): Likewise.
7116 (generate_element_copy): Likewise.
7117 (generate_element_zero): Likewise.
7118 (generate_element_init_1): Likewise.
7119 (dump_sra_elt_name): Handle RANGE_EXPR.
7121 2006-07-03 Roger Sayle <roger@eyesopen.com>
7123 PR tree-optimization/26251
7124 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7125 (thread_block): When optimizing for size refuse to thread jumps
7126 that would require duplication of blocks other than redirection
7129 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7131 * configure.ac: Fix thinko in previous check-in.
7132 * configure: Regenerate.
7134 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7137 * configure.ac (for lang...): Simplify nesting of conditionals.
7138 Test subdir_requires for non-enabled languages. Move processing
7139 of lang_opt_files and lang_tree_fiels below that test.
7140 * configure: Regenerate.
7141 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7143 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7145 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7147 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7149 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7152 2006-06-29 Jason Merrill <jason@redhat.com>
7159 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7160 * c-common.c (c_determine_visibility): Handle it here.
7161 * c-decl.c (finish_decl): Call c_determine_visibility for
7163 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7165 * varasm.c (default_assemble_visibility): Likewise.
7166 * c-common.c (handle_visibility_attribute): Complain about trying
7167 to give visibility to an already defined class, or trying to change
7168 declared visibility. Always attach the attribute.
7173 * attribs.c (decl_attributes): Ignore type-in-place attributes
7174 once the type has been defined.
7176 2006-06-29 Roger Sayle <roger@eyesopen.com>
7179 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7180 to indicate the cpplib has issued an error message for us.
7182 2006-06-29 Asher Langton <langton2@llnl.gov>
7185 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7186 insert a label at the end of an function under Mach-O.
7188 2006-06-29 Eric Christopher <echristo@apple.com>
7189 Evan Cheng <evan.cheng@apple.com>
7191 * predicates.md (vector_all_ones_operand): New.
7192 (nonimmediate_or_sse_const_operand): Ditto.
7193 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7194 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7195 (standard_sse_mode_p): Ditto.
7196 (standard_sse_constant_p): Add case for -1 vector.
7197 (ix86_expand_vector_move): Try to use.
7198 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7199 Call standard_sse_constant_opcode.
7200 (*movv4sf_internal): Ditto.
7201 (*movv2df_internal): Ditto.
7203 2006-06-29 Roger Sayle <roger@eyesopen.com>
7205 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7206 of XEXP to extract the operands of a MATCH_CODE rtx.
7208 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7210 * tree.c (tree_size): Do not waste tail padding in
7211 struct tree_string and make the size be the same as
7212 build_string will generate.
7214 2006-06-28 Jason Merrill <jason@redhat.com>
7217 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7218 may_aliases already in the tag's annotations to the bitmap.
7220 2006-06-28 Roger Sayle <roger@eyesopen.com>
7222 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7224 2006-06-28 Roger Sayle <roger@eyesopen.com>
7226 * genpreds.c (generate_switch_p): New function.
7227 (add_mode_tests): Push the new mode test down inside an AND expr
7228 if this allows the switch-suitable MATCH_CODE to be near the root.
7229 (write_match_code_switch): New function to write a MATCH_CODE as
7231 (write_predicate_stmts): New function to write a predicate RTX
7232 expression as a sequence of statements.
7233 (write_one_predicate_function): Use write_predicate_stmts.
7234 (write_tm_constrs_h): Likewise.
7236 2006-06-26 Fred Fish <fnf@specifix.com>
7238 * config/mips/t-sb1: New file.
7239 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7242 2006-06-26 DJ Delorie <dj@redhat.com>
7244 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7246 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7247 Jayant Sonar <jayants@kpitcummins.com>
7248 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7250 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7251 (subsi3, subsi3_1, subsi3_2): New.
7252 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7253 * config/m32c/mov.md (SI mov peephole): New.
7254 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7255 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7257 2006-06-26 Olivier Hainque <hainque@adacore.com>
7259 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7260 a CALL_EXPR target function declaration.
7262 2006-06-26 Richard Guenther <rguenther@suse.de>
7264 * tree.c (build_string): Do not waste tail padding in
7267 2006-06-26 Richard Guenther <rguenther@suse.de>
7269 * ggc-page.c (init_ggc): Add missing element to size_lookup
7273 2006-06-23 Richard Guenther <rguenther@suse.de>
7275 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7276 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7277 alignment requests instead. Add verification code.
7278 Add struct tree_function_decl and struct tree_binfo size to
7279 extra_order_size_table. Add missing element to size_lookup
7282 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7285 * fold-const.c (const_binop): Be prepared for self returning zero.
7286 Simplify code handling complex values.
7288 2006-06-24 Olivier Hainque <hainque@adacore.com>
7290 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7291 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7294 2006-06-24 Olivier Hainque <hainque@adacore.com>
7296 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7297 ARRAY_REF, so have the callback called for the low bound expression.
7299 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7301 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7302 * c-typeck.c (c_common_type): Disallow operations on decimal float
7303 types and other float types.
7304 * convert.c (convert_to_real): Don't ignore conversions involving
7305 decimal float types.
7307 2006-06-23 Olivier Hainque <hainque@adacore.com>
7309 * tree.c (max_int_size_in_bytes): New function, inspired from
7310 code in function.c:assign_temp.
7311 * tree.h (max_int_size_in_bytes): Declare.
7312 * function.c (assign_temp): Use it.
7313 * gimplify.c (create_tmp_var): Relax the assertions on the type
7314 properties, not mandating constant size any more.
7315 (force_constant_size): New static function.
7316 (gimple_add_tmp_var): Use it, forcing variable size to a
7317 constant upper bound if it is not constant on entry.
7319 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7322 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7323 for initialization and setting of one_only flag to ...
7324 (i386_pe_encode_section_info): ...here.
7325 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7326 Recheck that the symbol has not been defined.
7328 2006-06-23 Richard Guenther <rguenther@suse.de>
7330 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7331 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7332 alignment requests instead. Add verification code.
7333 Add struct tree_function_decl and struct tree_binfo size to
7334 extra_order_size_table. Add missing element to size_lookup
7337 2006-06-22 Roger Sayle <roger@eyesopen.com>
7338 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7341 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7342 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7344 2006-06-23 Ben Elliston <bje@au.ibm.com>
7346 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7347 negate dn -- manipulate it directly.
7349 2006-06-22 Roger Sayle <roger@eyesopen.com>
7350 Steven Bosscher <stevenb.gcc@gmail.com>
7353 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7354 generated by gen_move_insn to add REG_LABEL notes if necessary.
7356 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7358 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7359 (leaf_entry): Remove use of MIN_ESA.
7361 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7363 PR rtl-optimization/28121
7364 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7367 2006-06-21 DJ Delorie <dj@redhat.com>
7369 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7371 (mulhisi3_r): Likewise.
7373 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7376 * coverage.c (coverage_counter_alloc): Leave the index type
7378 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7381 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7383 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7384 section from the "Options for Code Generation Conventions".
7386 2006-06-21 Richard Henderson <rth@redhat.com>
7390 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7392 (global_symbolic_operand): Allow weak symbols, even if local_p.
7394 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7396 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7397 (find_interesting_uses_address): Punt if above function returns true.
7399 2006-06-21 Richard Guenther <rguenther@suse.de>
7401 * configure: Regenerated.
7403 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7405 * config/mips/mips.c (function_arg): Where one part of a
7406 complex argument is in registers and the other part in the stack,
7407 return a REG not a PARALLEL.
7409 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7411 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7412 when cross-compiling. Do not substitute libstdcxx_incdir.
7413 * configure: Regenerated.
7415 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7417 * varasm.c (mergeable_string_section): Check for embedded NULs and
7418 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7419 rather than TREE_STRING_LENGTH bytes.
7421 2006-06-21 Richard Guenther <rguenther@suse.de>
7423 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7424 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7427 2006-06-21 Richrad Guenther <rguenther@suse.de>
7429 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7430 Limit iteration over the dominators.
7432 2006-06-20 Roger Sayle <roger@eyesopen.com>
7434 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7435 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7437 2006-06-20 Richard Guenther <rguenther@suse.de>
7438 Michael Matz <matz@suse.de>
7440 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7442 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7443 * et-forest.h (et_free_pools): Prototype new function.
7444 * et-forest.c (et_free_tree_force): Free parent occurrence.
7445 (et_free_pools): New function.
7446 * dominance.c (free_dominance_info): Free et-forest alloc
7449 2006-06-20 Roger Sayle <roger@eyesopen.com>
7451 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7452 integer modes, attempt to directly construct an integer constant.
7454 * fold-const.c (native_encode_vector): Determine the size of each
7455 element from the vector type instead of the first vector element.
7457 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7458 if all of its elements/components are constant.
7459 (build_constructor_from_list): Likewise.
7461 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7463 PR tree-optimization/27331
7464 * tree-data-ref.c (free_data_ref): New function.
7465 (create_data_ref): Fail if the data reference has unknown access
7467 (free_data_refs): Use free_data_ref.
7469 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7472 * tree-inline.c (setup_one_parameter): Strip useless
7473 type conversion before adding it to the IR.
7474 (declare_return_variable): Likewise.
7476 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7479 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7481 2006-06-19 Mike Stump <mrs@apple.com>
7483 * tree.c (variably_modified_type_p): VM arguments don't make the
7486 2006-06-19 Richard Guenther <rguenther@suse.de>
7488 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7489 type conversions after folding.
7491 2006-06-19 Richard Guenther <rguenther@suse.de>
7493 * ggc-page.c (extra_order_size_tab): Add entries with
7494 size of struct function and basic_block.
7495 (size_lookup): Extend to cover sizes up to 511.
7496 (ggc_alloc_stat): Adjust user.
7497 (ggc_pch_count_object): Likewise.
7498 (ggc_pch_alloc_object): Likewise.
7499 (ggc_pch_write_object): Likewise.
7501 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7503 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7504 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7507 2006-06-19 Denis Chertykov <denisc@overta.ru>
7509 * config/avr/libgcc.S : Correct my wrong previous commit.
7511 2006-06-19 Roger Sayle <roger@eyesopen.com>
7514 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7515 have stripped a SUBREG from the shift count, so we may need to
7516 convert_to_mode back to the type's mode before calling make_tree.
7517 Use new_amount instead of amount to avoid expanding a tree twice.
7519 2006-06-19 Richard Guenther <rguenther@suse.de>
7522 * fold-const.c (operand_equal_p): Check if the argument types
7523 have the same precision before stripping NOPs.
7525 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7527 Fix PR tree-optimization/27341
7528 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7530 * tree-complex.c (pass_lower_complex): Update SMT usage.
7532 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7534 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7535 Add a new alternative to the constraint strings. Add move of
7536 operand 1 to 3 to the splitter definition.
7537 ("doloop_si_long"): Second contraint alternative removed.
7539 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7541 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7542 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7544 (AVR_HAVE_MOVW) Define.
7545 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7546 (ASM_SPEC): Add avr25.
7547 (LINK_SPEC): Add avr25.
7548 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7549 (base_arch_s): Add new member 'have_movw_lpmx'.
7550 (avr_arch_types): Init 'have_movw_lpmx'.
7551 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7552 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7553 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7554 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7555 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7557 (avr_file_start): Do not output '.arh' derective.
7558 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7559 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7560 * config/avr/avr.md (mcu_enhanced): Delete.
7561 (mcu_have_movw): Define.
7562 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7563 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7564 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7565 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7566 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7567 attiny861 and at86rf401 devices.
7569 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7571 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7574 2006-06-17 Karl Berry <karl@gnu.org>
7576 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7577 doc/gccint.texi, doc/install.texi (@dircategory): Use
7578 "Software development" instead of "Programming", following
7579 the Free Software Directory.
7581 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7583 * config/i386/i386.c (legitimate_tls_address)
7584 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7585 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7586 (*tls_dynamic_gnu2_combine_64): Likewise.
7588 2006-06-16 Richard Guenther <rguenther@suse.de>
7591 * fold-const.c (negate_expr_p): Do not introduce undefined
7592 overflow in negating INTEGER_CSTs.
7593 (fold_negate_expr): Rename from negate_expr. Revert last
7594 change for folding BIT_NOT_EXPR. Change semantics to
7595 return NULL_TREE for non-simplified negations. Do not
7596 strip type conversions and unify type handling.
7597 (negate_expr): New function, wrap around fold_negate_expr
7598 but ensure building a tree always. Strip type conversions
7599 here, fold to result type.
7600 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7602 2006-06-16 Roger Sayle <roger@eyesopen.com>
7605 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7606 that (would) return their results in stack registers.
7608 2006-06-16 Michael Matz <matz@suse.de>
7609 Richard Guenther <rguenther@suse.de>
7611 * fold-const.c (fold_truthop): Only return new tree node if
7612 we canonicalized something.
7614 2006-06-16 Richard Guenther <rguenther@suse.de>
7616 * function.h (enum function_frequency): Move declaration
7617 out of struct function.
7618 (struct function): Move bool fields and the enum to the bitfield
7619 section. Reorder elements to avoid padding. Remove unused
7620 fields left over from the RTL inliner removal.
7621 * function.c (free_after_compilation): Do not zero removed fields.
7622 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7623 (ipa-type-escape.o): Likewise.
7625 2006-06-16 Richard Guenther <rguenther@suse.de>
7627 * cgraph.h (struct cgraph_local_info): Turn bool elements
7629 (struct cgraph_node): Likewise.
7630 (struct cgraph_varpool_node): Likewise.
7632 2006-06-15 Richard Guenther <rguenther@suse.de>
7634 * fold-const.c (fold_truth_not_expr): Rename from
7635 invert_truthvalue. Give it fold_* semantics to avoid
7637 (invert_truthvalue): New function. Wrapper around
7638 fold_truth_not_expr.
7639 (optimize_minmax_comparison): Avoid creating garbage.
7640 (fold_unary): Use fold_truth_not_expr for folding
7642 (fold_ternary): Replace uses of invert_truthvalue with
7643 fold_truth_not_expr where applicable.
7644 * tree.h (fold_truth_not_expr): Prototype.
7646 2006-06-16 Richard Guenther <rguenther@suse.de>
7648 PR tree-optimization/27781
7649 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7650 * ipa-pure-const.c (target.h): Include.
7651 (analyze_function): Do not analyze functions that do not
7654 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7657 * tree-dfa.c (referenced_vars_dup_list): Remove.
7658 (find_referenced_vars): Remove assert.
7659 (referenced_var_check_and_insert): Replace dup list with assert.
7660 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7661 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7663 2006-06-15 Richard Guenther <rguenther@suse.de>
7665 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7666 extra unused identifiers if not dumping.
7667 (create_variable_info_for): Likewise.
7669 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7671 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7672 (derive_constant_upper_bound): Derive more precise upper bound in
7673 common cases. Return type changed to double_int.
7674 (record_estimate): Reflect the changed return type of
7675 derive_constant_upper_bound.
7676 * double-int.c (double_int_zext, double_int_sext): Fix.
7678 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7680 * configure.ac (CFLAGS): Get them from the toplevel or from the
7681 configure invocation.
7682 * configure: Regenerate.
7683 * Makefile.in (CFLAGS): Substitute value provided by configure.
7685 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7688 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7689 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7690 rather than calling add_stmt on it.
7691 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7693 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7696 * reload1.c (reload): Remove registers returned by update_eliminables
7697 from used_spill_regs.
7699 2006-06-13 DJ Delorie <dj@redhat.com>
7701 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7703 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7705 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7706 html__strip_dir, html__mkdir_p. Enhance install-html target.
7707 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7708 * configure: Regenerate.
7710 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7712 * fold-const.c (fold_cond_expr_with_comparison): Check for
7713 Objective-C++ as language in deciding COND_EXPR transformation.
7715 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7718 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7719 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7720 * config/sh/lib1funcs.h (SL, SL1): Define.
7721 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7722 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7723 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7724 (OBJS_Os_4_200): New variable.
7725 ($(T)libgcc-Os-4-200.a): Use it.
7726 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7727 when dividing 1 and/or by 0.
7729 2006-06-13 Roger Sayle <roger@eyesopen.com>
7731 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7732 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7733 * configure: Regenerate.
7735 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7737 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7738 for real instruction.
7740 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7743 * haifa-sched.c (check_cfg): Handle special case.
7745 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7748 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7749 Add debug_info parameter. Chain the vars to the BLOCK instead
7750 of the BIND_EXPR if debug info are requested for them.
7751 (pop_gimplify_context): Adjust for above change.
7752 (gimple_add_tmp_var): Likewise.
7753 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7755 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7756 (convert_local_reference): Likewise.
7757 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7758 (finalize_nesting_tree_1): Request that debug info be emitted
7759 for debug_var_chain.
7761 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7763 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7764 for PR target/27863.
7766 2006-06-13 Richard Guenther <rguenther@suse.de>
7769 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7771 2006-06-13 Richard Guenther <rguenther@suse.de>
7773 PR tree-optimization/27830
7774 * tree-inline.c (copy_body_r): For copying the operand
7775 of an ADDR_EXPR make sure to fold &* afterwards.
7777 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7779 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7780 lvalues in the fb_none case with side-effects.
7782 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7784 * tree-flow.h: Remove the prototype for
7785 compute_phi_arg_on_exit.
7786 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7787 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7790 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7792 * builtins.c (expand_builtin_return_addr): Only use
7793 frame_pointer_rtx when count == 0 and we are expanding
7794 __builtin_return_address.
7796 2006-06-12 Fred Fish <fnf@specifix.com>
7798 * config/mips/mips.c (mips_file_start): Create special section
7799 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7801 2006-06-11 Eric Christopher <echristo@apple.com>
7804 * stor-layout.c (place_field): Remove check for
7805 remaining_in_alignment when aligning at the end of a run.
7807 2006-06-11 Eric Christopher <echristo@apple.com>
7810 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7813 2006-06-11 Roger Sayle <roger@eyesopen.com>
7816 Revert incorrect fix for PR target/27158
7817 2006-05-08 Roger Sayle <roger@eyesopen.com>
7818 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7819 of a reg_equiv_constant if the result is a legitimate constant.
7821 2006-06-11 Roger Sayle <roger@eyesopen.com>
7824 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7825 extract a CONST_VECTOR element and interpret it as an integer.
7826 (vspltis_constant): Use const_vector_elt_as_int instead of the
7827 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7828 * config/rs6000/predicates.md (easy_vector_const): Consider
7829 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7831 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7834 * stor-layout.c (update_alignment_for_field): Don't add extra
7835 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7838 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7840 * config/mips/t-rtems: Add EL/EB multilib variants.
7842 2006-06-09 Mike Stump <mrs@apple.com>
7844 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7846 2006-06-09 David Daney <ddaney@avtrex.com>
7848 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7850 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7852 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7854 2006-06-09 Richard Guenther <rguenther@suse.de>
7856 PR tree-optimization/26998
7857 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7858 of signed types, only TYPE_MIN_VALUE is special, but for both,
7859 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7860 in this case, as is -fwrapv.
7862 2006-06-08 Mike Stump <mrs@apple.com>
7865 * config/darwin.c (darwin_asm_output_anchor): Disable
7866 -fsection-anchors on darwin for now.
7867 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7868 * rs6000/rs6000.c (optimization_options): Likewise.
7870 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7873 * config/i386/i386.c (classify_argument): Skip fields with invalid
7876 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7878 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7879 (cse_insn): Likewise for the stack_pointer_rtx.
7881 2006-06-08 Roger Sayle <roger@eyesopen.com>
7883 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7884 conditions from floating point comparisons.
7886 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7889 * expmed.c (struct alg_hash_entry): Fix type of field T
7890 to match synth_mult argument.
7891 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7893 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7896 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7899 2006-06-08 Richard Guenther <rguenther@suse.de>
7902 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7903 only, if overflow is defined and not trapping.
7904 (negate_expr): Likewise.
7906 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7908 PR tree-optimization/27872
7909 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7910 flag on the new exit edge of the unrolled loop.
7912 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7914 PR rtl-optimization/26449
7915 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7917 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7920 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7921 referenced_variables with matching DECL_UID's.
7922 (find_referenced_vars): Make sure duplicate list is empty to start.
7923 (referenced_var_p): Remove.
7924 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7925 Check if var is in the list, and add if needed. Update the duplicate
7926 list if a different var is in the list with the same DECL_UID.
7927 (add_referenced_var): Call routine to check and insert.
7928 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7929 * tree-flow.h (referenced_vars_dup_list): External declaration.
7931 2006-06-07 Fred Fish <fnf@specifix.com>
7933 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7936 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7939 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7940 the imaginary and real parts of a clobbered register.
7941 Emit insn to set the imaginary part.
7943 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7945 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7946 in lieu of unwind-dw2-fde.c.
7948 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7950 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7952 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7955 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7956 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
7957 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
7958 V4SImode temporaries and operations instead.
7960 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
7962 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
7965 2006-06-06 Mike Stump <mrs@apple.com>
7967 * Makefile.in: Rename to htmldir to build_htmldir to avoid
7968 installing during build.
7970 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7972 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
7974 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
7975 * config/ia64/ia64.c (params.h): New header.
7976 (ia64_optimization_options): New function to adjust parameters.
7977 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
7978 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
7979 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
7981 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
7983 * stor-layout.c (debug_rli): Fix a typo in a debug message.
7985 2006-06-05 Steve Ellcey <sje@cup.hp.com>
7988 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
7990 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
7991 Victor Kaplansky <victork@il.ibm.com>
7993 PR tree-optimization/26360
7994 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
7997 2006-06-04 Roger Sayle <roger@eyesopen.com>
7998 Andrew Pinski <pinskia@physics.uc.edu>
8001 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8002 for LABEL_DECL before calling DECL_WEAK.
8005 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8006 LABEL_DECL and PARM_DECL.
8008 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8012 * c-decl.c (grokdeclarator): Disallow variably modified types at
8013 file scope. Avoid marking shared array type of constant size as
8016 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8019 * c-common.c (fold_offsetof_1): Handle static members.
8021 2006-06-04 Eric Christopher <echristo@apple.com>
8023 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8024 (debug_rli): Output value for remaining_in_alignment.
8025 (update_alignment_for_field): Unconditionalize
8026 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8027 extra alignment code.
8028 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8029 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8030 * tree.h (record_layout_info_s): Remove prev_packed.
8031 * doc/extend.texi (ms_struct): Add documentation of format.
8033 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8035 * tree.h: Declare folding_initializer.
8036 * builtins.c (fold_builtin_constant_p): Give definite answer
8037 if folding inside an initializer.
8038 * fold-const.c: Define folding_initializer.
8039 (START_FOLD_INIT): Save and then set folding_initializer.
8040 (END_FOLD_INIT): Restore folding_initializer.
8042 2006-06-04 Richard Guenther <rguenther@suse.de>
8044 PR tree-optimization/27039
8045 * fold-const.c (fold_comparison): Handle pointer comparison
8046 again for all comparison codes. Compare offsets in signed
8048 (fold_binary): Move code from here.
8050 2006-06-03 Roger Sayle <roger@eyesopen.com>
8053 * config/i386/i386.c (construct_container): Split static issued_error
8054 flag into issued_sse_arg_error, issued_sse_ret_error and
8055 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8056 requires the use of x87 registers and the user explicitly
8057 specified the -mno-80387 command line option.
8059 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8061 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8062 HAVE_DECL_SIGALTSTACK.
8064 (segv_handler): Use MC_FLD.
8065 * configure.ac: Check for a sigaltstack declaration.
8066 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8067 * configure: Regenerate.
8068 * config.in: Regenerate.
8070 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8073 * Makefile.in (stmp-fixinc): Fix typo.
8075 2006-06-02 Roger Sayle <roger@eyesopen.com>
8077 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8078 are type correct. Clean-up.
8079 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8080 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8082 2006-06-01 DJ Delorie <dj@redhat.com>
8084 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8085 shift, as we've disabled the "switch" insn that needs it.
8087 2006-06-01 Per Bothner <bothner@bothner.com>
8089 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8090 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8091 * c-ppoutput.c (cb_define): Don't increment line 0.
8093 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8095 * doc/invoke.texi: Add cpu_type power6.
8096 * config.gcc: Add cpu_type power6.
8097 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8098 to power5+ with Altivec.
8099 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8100 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8102 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8104 * config/avr/avr.h (SET_ASM_OP): Define.
8106 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8108 * config/bfin/bfin.c: Fix comment typos.
8110 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8113 * doc/install.texi: Document --enable-bootstrap and
8114 --disable-bootstrap.
8116 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8118 * doc/install.texi: Document that InfoZIP can replace jar.
8120 2006-05-31 Roger Sayle <roger@eyesopen.com>
8122 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8123 isn't available, directly generate the simpler x87 patterns without
8124 the (use (const_int 0)).
8125 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8126 implementation isn't available.
8127 (*negdf2_1): Likewise.
8128 (*negxf2_1): XF mode negation is always done using the x87.
8129 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8131 2006-05-31 Roger Sayle <roger@eyesopen.com>
8133 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8134 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8136 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8138 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8140 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8141 * config/bfin/bfin.c (basic-block.h): Include.
8142 (struct machine_function): New.
8143 (bfin_init_machine_status): New.
8144 (override_options): Initialize init_machine_status.
8145 (bfin_hardware_loop): New.
8146 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8147 (DEF_VEC_P (loop_info)): New.
8148 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8149 (struct loop_info): New.
8150 (loop_info): New typedef.
8151 (struct loop_work): New.
8152 (loop_work): New typedef.
8153 (DEF_VEC_O (loop_work)): New.
8154 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8155 (bfin_dump_loops): New.
8156 (bfin_bb_in_loop): New.
8157 (bfin_scan_loop): New.
8158 (bfin_optimize_loop): New.
8159 (bfin_reorg_loops): New.
8160 (bfin_reorg): Use bfin_reorg_loops.
8161 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8163 (I_REGNO_P): Simplify.
8164 (DP_REGNO_P, DPREG_P): New macros.
8165 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8166 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8167 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8168 Add LT_REGS, LC_REGS, LB_REGS.
8169 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8171 (REGNO_REG_CLASS): Deal with loop registers.
8172 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8174 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8175 New constants for loop registers.
8176 (UNSPEC_LSETUP_END): New.
8177 (seq_insns): New define_attr. Set it for appropriate insns.
8178 (movsi_insn): Add alternatives for move from/to
8179 loop count registers.
8180 (doloop_end): New define_expand.
8181 (loop_end): New define_insn.
8182 (define_split for bad doloop_end): New.
8183 (lsetup_with_autoinit): New define_insn.
8184 (lsetup_without_autoinit): New define_insn.
8185 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8186 * config/bfin/predicates.md (lc_register_operand): New.
8187 (lt_register_operand): New.
8188 (lb_register_operand): New.
8189 (nondp_register_operand): New.
8190 (nondp_reg_or_memory_operand): New.
8191 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8193 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8195 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8196 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8198 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8200 * Makefile.in (CATALOGS): Add po/ prefix.
8201 * configure: Regenerated.
8203 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8206 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8207 a shift operand before calling shift_op. Avoid redundant call of
8210 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8211 DJ Delorie <dj@redhat.com>
8213 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8214 we're inserting is a singlt-bit constant.
8216 2006-05-30 Roger Sayle <roger@eyesopen.com>
8218 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8219 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8221 2006-05-30 Roger Sayle <roger@eyesopen.com>
8223 PR tree-optimization/23452
8224 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8225 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8226 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8227 complex values and with -ffast-math for FP complex values.
8229 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8231 * c-common.h: Remove the prototype for yyparse.
8232 * rtl.h: Remove the prototype for init_loop.
8234 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8236 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8239 2006-05-30 Roger Sayle <roger@eyesopen.com>
8241 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8243 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8244 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8246 2006-05-30 Dirk Mueller <dmueller@suse.de>
8249 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8250 for CONSTANT_CLASS_P expresisons.
8252 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8255 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8257 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8259 PR tree-optimization/27779
8260 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8261 initial_condition instead of CHREC_LEFT.
8263 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8265 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8266 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8267 Make prototypes ISO C90.
8269 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8270 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8272 * see.c (see_analyze_one_def): Correct check.
8273 (see_get_extension_data): Check if extension is parallel.
8274 (see_get_extension_reg): Likewise.
8276 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8279 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8280 into register for (code == GTU).
8282 2006-05-29 Roger Sayle <roger@eyesopen.com>
8284 PR tree-optimization/24964
8285 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8286 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8287 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8288 abs(x)*abs(x) as x*x for scalar floating point modes.
8290 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8293 * lambda-code.c (perfect_nestify): Don't copy statements
8294 in the inner loop: move them to the inner loop header.
8296 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8299 * c-tree.texi: Document OpenMP directives and clauses.
8301 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8303 * varasm.c (globalize_decl): Fix indentation.
8305 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8308 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8309 pass_fre, pass_store_ccp, pass_copy_prop,
8310 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8311 pass_return_slot, pass_object_size, pass_lim,
8312 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8313 pass_loop_prefetch and pass_stdarg.
8315 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8317 * config/bfin/bfin.opt (mfdpic): New option.
8318 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8319 (EXTRA_MULTILIB_PARTS): Likewise.
8320 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8321 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8323 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8324 (CRT_CALL_STATIC_FUNCTION): New.
8325 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8327 (CRT_CALL_STATIC_FUNCTION): New.
8328 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8330 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8331 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8332 (initialize_trampoline): Changed to handle FD-PIC code generation.
8333 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8334 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8335 (override_options): Disallow -mid-shared-library -mfdpic combination.
8336 Can't do unaligned ops if FD-PIC.
8337 Turn off flag_pic if trying to generate non-id-shared-library
8338 non-fdpic code, since it's not supported.
8339 (bfin_assemble_integer): New function.
8340 (TARGET_ASM_INTEGER): Define.
8341 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8343 * config/bfin/crtn.s: Restore them.
8344 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8346 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8347 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8348 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8349 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8350 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8352 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8353 FDPIC_REGS and FDPIC_FPTR_REGS.
8354 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8355 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8356 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8357 (load_funcdescsi): New pattern.
8358 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8359 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8360 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8362 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8364 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8367 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8369 * tree-flow.h: Remove the prototype for add_type_alias.
8370 * tree-ssa-alias.c (add_type_alias): Remove.
8372 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8374 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8375 config/fr30/fr30.md, config/i386/i386-interix.h,
8376 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8377 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8378 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8379 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8380 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8381 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8382 Follow spelling conventions.
8383 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8384 Follow spelling conventions.
8386 2006-05-27 Richard Guenther <rguenther@suse.de>
8389 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8390 to produce a constant of value 1 of generic type.
8392 2006-05-27 Dirk Mueller <dmueller@suse.de>
8394 * cgraphunit.c (decide_is_function_needed): Fix wrong
8397 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8399 PR rtl-optimization/27661
8400 * reload.c (find_reloads): When reloading a VOIDmode constant
8401 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8402 use Pmode as mode of the reload register.
8404 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8406 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8407 is enabled at -O and above.
8409 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8412 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8415 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8418 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8419 for anonymous variables explicitly declared by front ends.
8421 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8423 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8424 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8425 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8426 ref-all pointers, run a finalization pass for them.
8427 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8428 (finalize_ref_all_pointers): New function.
8429 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8430 regular pointer type to a ref-all pointer type.
8431 (get_tmt_for): Return the special memory tag for ref-all pointers.
8433 2006-05-25 Richard Guenther <rguenther@suse.de>
8436 * fold-const.c (fold_binary): Do not look at the stripped
8437 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8439 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8441 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8442 for LT and GT if the computed range is effectively empty.
8444 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8447 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8448 mips_quad_format formats instead of ieee_single_format,
8449 ieee_double_format and ieee_quad_format formats, respectively.
8451 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8453 PR tree-optimization/27639
8454 PR tree-optimization/26719
8455 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8456 call to scev_probably_wraps_p.
8457 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8458 used_in_pointer_arithmetic_p, convert_step): Removed.
8459 (nowrap_type_p): New function.
8460 (scev_probably_wraps_p): Rewritten.
8461 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8462 chrec_convert if chrec_convert_aggressive might have been used.
8463 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8464 scev_direction): New functions.
8465 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8466 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8467 instead of convert_step.
8468 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8469 (convert_step): Declaration removed.
8470 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8472 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8474 * df-core.c: Added to header comments.
8475 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8476 df_ur_bb_info, df_urec_bb_info): Added comments.
8477 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8478 urec, ri problems): Fixed header comments.
8479 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8480 code from df_rd_transfer_function.
8482 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8484 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8485 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8486 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8488 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8490 * expr.c (undefined_operand_subword_p): New.
8491 (emit_move_multi_word): Do not generate move from undefined bits
8492 of a paradoxical subreg.
8494 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8496 PR rtl-optimization/27736
8497 * combine.c (replaced_rhs_value): New variable.
8498 (combine_instructions): Set it.
8499 (distribute_notes): When distributing a note in replaced_rhs_insn,
8500 check whether the value was used in replaced_rhs_value.
8502 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8505 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8506 add_referenced_var instead of add_referenced_tmp_var.
8507 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8508 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8510 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8511 tree_optimize_tail_calls_1): Use add_referenced_var.
8512 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8513 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8514 Use add_referenced_var.
8515 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8516 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8517 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8518 Use add_referenced_var.
8519 * tree-dfa.c (struct walk_state): Remove.
8520 (find_referenced_vars): Remove walk state and vars_found hash table.
8521 (make_rename_temp): Use add_referenced_var.
8522 (find_vars_r): Pass less parameters to add_referenced_var.
8523 (referenced_var_p): New. Is var in referenced_var hash table.
8524 (referenced_var_insert): Assert var isn't already in hash table.
8525 (add_referenced_var): Don't need walk_state parameter. Add var if it
8526 isn't already in the hash table.
8527 (add_referenced_tmp_var): Remove.
8528 (find_new_referenced_vars_1): Use add_referenced_var.
8529 * tree-ssa-pre.c (create_expression_by_pieces,
8530 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8531 Use add_referenced_var.
8532 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8533 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8534 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8536 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8537 vect_create_data_ref_ptr, vect_create_destination_var,
8538 vect_init_vector, vect_build_loop_niters,
8539 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8540 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8541 Use add_referenced_var.
8542 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8543 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8544 (add_referenced_var): Add prototype.
8545 * tree-ssa-structalias.c (get_constraint_for,
8546 intra_create_variable_infos): Use add_referenced_var.
8548 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8550 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8551 big-endian paradoxical subregs.
8552 * var-tracking.c (struct micro_operation_def): Document that,
8553 for modify micro operations, insn is the subsequent instruction.
8554 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8555 (var_reg_set, var_mem_set): ... new functions.
8556 (add_stores): Record subsequent insn.
8557 (compute_bb_dataflow): Use new functions for MO_USE.
8558 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8559 notes after the insn, and modify notes before the insn known
8560 to be the subsequent one.
8561 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8563 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8566 * config/i386/i386.c (ix86_expand_builtin): Use
8567 gen_sse3_monitor64 for TARGET_64BIT.
8569 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8571 PR rtl-optimization/26375
8572 PR rtl-optimization/26855
8573 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8575 (df_ru_bb_local_compute): Reversed statements and removed bogus
8576 comment explaining why they should be in wrong order.
8577 (df_ru_dump, df_rd_dump): Enhanced debug info.
8578 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8580 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8581 reaching uses and fixed space problem.
8583 2006-05-23 Jan Hubicka <jh@suse.cz>
8585 * cgraphunit.c (decide_is_function_needed): Also nested functions
8586 and functions declared inline can be optimized out at -O0.
8588 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8590 * doc/install.texi (Configuration): Remove reference to CrossGCC
8594 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8597 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8598 ix86_compare_emitted is non-NULL.
8600 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8603 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8606 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8608 PR rtl-optimization/25514
8609 * combine.c (replaced_rhs_insn): New variable.
8610 (combine_instructions): Set replaced_rhs_insn when trying to replace
8611 a SET_SRC with a REG_EQUAL note.
8612 (distribute_notes): Use replaced_rhs_insn when determining the live
8613 range of a REG_DEAD register.
8615 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8616 Anatoly Sokolov <aesok@post.ru>
8618 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8619 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8620 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8621 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8622 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8623 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8624 at90usb647, at90usb1286 and at90usb1287 devices.
8625 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8626 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8628 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8630 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8632 2006-05-22 Richard Guenther <rguenther@suse.de>
8635 2006-01-31 Richard Guenther <rguenther@suse.de>
8636 Paolo Bonzini <bonzini@gnu.org>
8638 * doc/install.texi (--disable-libgcc-math): Document.
8640 2006-05-22 Richard Guenther <rguenther@suse.de>
8643 2006-01-31 Richard Guenther <rguenther@suse.de>
8645 * doc/invoke.texi (-msselibm): Document.
8646 * target.h (expand_library_builtin): New target hook.
8647 * builtins.c (expand_builtin): Use expand_library_builtin.
8648 (default_expand_library_builtin): New function.
8649 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8650 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8651 (link_gcc_math_spec): Declare.
8652 (static_specs): Add link_gcc_math_spec.
8653 * expr.h (default_expand_library_builtin): Declare.
8654 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8655 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8656 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8657 * config/i386/i386.opt (msselibm): New target option.
8658 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8659 (ix86_init_sse_abi_builtins): New function.
8660 (ix86_expand_library_builtin): Likewise.
8661 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8662 (override_options): Handle error conditions wrt -msselibm.
8663 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8664 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8665 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8668 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8671 * c-common.c (self_promoting_args_p): Skip erroneous args.
8674 * c-decl.c (finish_struct): Skip erroneous fields.
8676 2006-05-22 Nick Clifton <nickc@redhat.com>
8678 * config/cris/cris.opt (march): Remove VarExists attribute.
8679 (max-stackframe=): Likewise.
8681 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8683 * doc/rtl.texi: Fix a typo.
8684 * see.c: Fix comment typos.
8686 * tree-ssa-structalias.h (alias_info): Remove num_references.
8688 2006-05-21 Mike Stump <mrs@apple.com>
8690 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8692 (darwin_pragma_options): Use BAD instead.
8693 (darwin_pragma_unused): Likewise.
8694 (darwin_pragma_ms_struct): Likewise.
8696 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8698 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8700 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8702 PR rtl-optimization/27671
8703 * simplify-rtx.c (simplify_relational_operation_1): Fix
8704 simplifications of (eq/ne (xor x y) y) and
8705 (eq/ne (xor x y) x).
8707 PR tree-optimization/26622.
8708 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8711 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8713 * tree-cfg.c: Prune whitespace.
8714 (debug_tree_cfg): Point to correct header containing the
8717 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8720 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8722 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8725 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8726 or sorry count is non zero.
8728 2006-05-20 Andreas Schwab <schwab@suse.de>
8730 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8732 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8733 Kenneth Zadeck <zadeck@naturalbridge.com>
8735 PR rtl-optimization/26855
8737 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8739 (df_scan_alloc): Added code to properly handle multiword hard
8740 registers and add all_blocks parameter.
8741 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8742 code to properly handle multiword hard registers.
8743 (df_rescan_blocks): Added code to remove deleted blocks from
8745 (df_ref_create_structure, df_ref_record): Added code to properly
8747 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8748 and set DF_REF_PARTIAL.
8749 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8750 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8751 (df_scan_add_problem): Added flags parameter.
8752 (df_ref_create_structure): Changed switching structure.
8753 (df_bb_refs_record): Fixed case where duplicate artificial refs
8754 were created. Changed location of flags.
8755 (df_record_entry_block_defs): Added code to make stack pointer
8756 live in entry block. Refined cases where frame pointer is needed.
8757 Changed location of flags.
8758 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8759 (df_set_state): Removed function.
8760 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8761 df_insn_create_insn_record, df_insn_refs_delete,
8762 df_ref_create_structure): Formatting changes.
8763 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8764 df_delete_basic_block): New function.
8765 (df_init): Changed location of flags.
8766 (df_add_problem): Added flags parameter and the way flags are
8768 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8769 debug_df_chain): Improved debugging output.
8770 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8771 (df_refs_chain_dump): Removed df parameter.
8772 (df_iterative_dataflow): Added consistency check.
8773 (df_prune_to_subcfg): Made public.
8774 (df_analyze_problem): Added blocks_to_init parameter and made
8776 (df_ref_record, df_bb_refs_record, df_mark_reg,
8777 df_record_exit_block_uses): Whitespace changes.
8778 (df_dump): Whitespace changes.
8779 * df.h: Some reordering to remove forward references.
8780 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8781 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8782 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8783 (dataflow.flags): New field.
8784 (df.flag): Deleted field.
8785 (df_alloc_function): Added additional bitmap parameter.
8786 (df_dependent_problem_function): New type.
8787 (df_problem.changeable_flags): New field.
8788 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8789 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8790 (df_mw_hardreg): New struct.
8791 (DF_INSN_UID_MWS): New macro.
8792 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8794 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8795 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8796 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8797 (df_set_state): Removed function.
8798 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8799 * df-problems.c (df_chain_dump): Removed df parameter.
8800 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8801 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8803 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8804 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8805 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8806 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8807 DF_REF_MUST_CLOBBER cases.
8808 (df_ru_bb_local_compute_process_def,
8809 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8810 df_lr_bb_local_compute, df_ur_bb_local_compute,
8811 df_chain_create_bb): Made subreg aware.
8812 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8813 df_lr_bb_local_compute, df_lr_bb_local_compute,
8814 df_chain_create_bb): Cleanup to use proper macros.
8815 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8816 code to fixup bitvectors.
8817 (df_ri_alloc): Cleared lifetime.
8818 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8819 df_create_unused_note): New function.
8820 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8821 REG_DEAD and REG_UNUSED notes as well as register information.
8822 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8823 df_chains_dump): Fixed crash if problem was never run.
8824 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8825 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8826 df_ri_add_problem): Processes flags in uniform manner.
8827 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8828 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8829 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8830 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8831 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8832 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8833 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8834 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8835 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8836 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8837 * see.c (see_initialize_data): Ditto.
8838 * final.c (rest_of_clean_state) Added regstack_completed.
8839 * rtl.h (regstack_completed): Ditto.
8840 * reg-stack.c (regstack_completed): Ditto.
8842 2006-05-19 Mike Stump <mrs@apple.com>
8844 * c-tree.h (default_conversion): Remove.
8845 * c-common.h (default_conversion): Add.
8847 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8849 * tree-vrp.c (valid_value_p): New function.
8850 (adjust_range_with_scev): Fail if the value of bound is not
8853 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8855 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8856 (mips_fallback_frame_state): Use syscall numbers to determine
8857 the appropriate li instruction for the current ABI. Only use
8858 __NR_sigreturn for o32.
8860 2006-05-19 Nicolas Setton <setton@adacore.com>
8862 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8863 * langhooks.c (lhd_dwarf_name): New function.
8864 * langhooks-def.h (lhd_dwarf_name): Declare.
8865 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8866 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8868 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8870 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8872 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8873 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8874 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8875 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8876 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8877 determine the size of Wtype, etc.
8878 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8879 (swfloatfuncs): New variable.
8880 (dwfloatfuncs): Likewise.
8881 (lib2funcs): Remove floating-point conversion functions from
8882 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8883 the set of conversion routines needed. Allow entries to specify
8884 an object name, filename and word size. Update users accordingly.
8885 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8886 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8890 2006-02-08 Roger Sayle <roger@eyesopen.com>
8893 * config/fixtfdi.c: New libgcc source file.
8894 * config/fixunstfdi.c: New source file.
8895 * config/floatditf.c: New source file.
8896 * config/floatunditf.c: New souce file.
8897 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8898 files above instead of config/mips/_tilib.c.
8899 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8901 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8903 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8904 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8906 2006-05-18 Mike Stump <mrs@apple.com>
8908 Fix up vla, vm and [*] sematics.
8914 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8915 (c_vla_unspec_p): Add.
8916 (c_vla_type_p): Add.
8917 * c-decl.c (struct c_scope): Add had_vla_unspec.
8918 (build_array_declarator): Add support for [*].
8919 (grokdeclarator): Likewise.
8920 (grokparms): Likewise.
8921 (get_parm_info): Likewise.
8922 * c-objc-common.c (c_vla_unspec_p): Likewise.
8923 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8924 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8925 typeof when argument is a variably modified type not inside sizeof or alignof.
8926 (c_parser_direct_declarator_inner): Propagate errors.
8927 (c_parser_sizeof_expression): Add support for [*].
8928 (c_parser_parms_declarator): Initialize had_vla_unspec.
8929 (c_parser_parms_list_declarator): Likewise.
8930 * c-typeck.c (c_vla_type_p): Add.
8931 (composite_type): Add support for vla compositing.
8932 (comptypes_internal): Add support for vla compatibility.
8933 (c_expr_sizeof_expr): Evaluate vla arguments.
8934 * tree.c (variably_modified_type_p): Update comment for [*].
8936 2006-05-18 Michael Matz <matz@suse.de>
8939 * config.host: Make assignments to host_xmake_file cumulative.
8940 * config.host (*-darwin*): Test $host, not $target.
8942 2006-05-12 Stuart Hastings <stuart@apple.com>
8944 * config/i386/i386.opt (-mstackrealign): New flag.
8945 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8946 (ix86_handle_cconv_attribute): Emit error when
8947 force_align_arg_pointer attribute collides with too many regparms.
8948 (ix86_function_regparm): Limit regparms when used with
8949 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8950 Support stack-realigning prologue in non-main functions. Emit
8951 warning for nested functions under -mstackrealign, emit error for
8952 nested functions with force_align_arg_pointer attribute.
8953 * doc/extend.texi (force_align_arg_pointer): Document it.
8954 * doc/invoke.texi (-mstackrealign): Document it.
8956 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
8958 PR rtl-optimization/27477
8959 * combine.c (try_combine): Don't split a parallel consisting
8960 of two sets into two individual sets if both sets reference
8963 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
8965 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
8966 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
8968 * doc/options.texi (VarExists): Updated.
8970 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8972 * unwind-dw2.c: Add declarations for uw_update_context and
8974 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
8975 detected, advance frame state and context once to skip over stub.
8977 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
8981 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
8982 Call rewrite_into_loop_closed_ssa only when something changed.
8983 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
8984 * lambda-code.c (can_convert_to_perfect_nest): Declared.
8985 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
8986 Test for perfect_nest_p here. Fix formating.
8987 (replace_uses_equiv_to_x_with_y): Fix formating.
8988 (stmt_uses_op): Removed.
8989 (can_convert_to_perfect_nest): Removed loopivs parameter.
8990 Complete the test by checking the scalar dependences.
8991 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
8994 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
8997 From Dan Kegel <dank@kegel.com>:
8998 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9000 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9002 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9003 if the element type is variably modified without recursing.
9005 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9008 * tree-loop-linear.c (try_interchange_loops): Test for
9009 no data dependences.
9011 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9013 PR tree-optimization/27548
9014 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9015 range of ssa names that appear on abnormal edges.
9016 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9017 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9019 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9022 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9024 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9027 * tree.h (OMP_PARALLEL_COMBINED): Define.
9028 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9029 (new_omp_context): Add is_combined_parallel argument.
9030 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9031 new_omp_context caller.
9032 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9033 Adjust gimplify_scan_omp_clauses callers.
9034 (omp_is_private): Issue errors if iteration variable is firstprivate
9035 or reduction in the current context.
9036 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9037 on combined parallel workshare constructs.
9039 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9041 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9042 (gcc-options.o): New rule.
9044 * optc-gen.awk: Protect variables for gcc-options.o with
9045 #ifdef GCC_DRIVER/#endif.
9047 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9049 Fix PR tree-optimization/27373
9050 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9051 (forward_propagate_addr_expr): Update call.
9053 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9055 * doc/options.texi: Move the Negative option.
9057 2006-05-16 Richard Guenther <rguenther@suse.de>
9059 PR tree-optimization/22303
9060 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9062 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9063 ccp_fold did not simplify the statement.
9065 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9068 * Makefile.in (GCC_OBJS): New.
9069 (OBJS-common): Add opts-common.o.
9070 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9071 (cpp$(exeext)): Likewise.
9072 (gcc.o): Also depend on opts.h.
9073 (opts-common.o): New.
9075 * common.opt (gcoff): Add Negative(gdwarf-2).
9076 (gdwarf-2): Add Negative(gstabs).
9077 (gstabs): Add Negative(gstabs+).
9078 (gstabs+): Add Negative(gvms).
9079 (gvms): Add Negative(gxcoff).
9080 (gxcoff): Add Negative(gxcoff+).
9081 (gxcoff+): Add Negative(gcoff).
9082 * config/i386/i386.opt (m32): Add Negative(m64).
9083 (m64): Add Negative(m32).
9085 * doc/options.texi: Document the Negative option.
9087 * gcc.c: Include "opts.h".
9088 (main): Call prune_options after expandargv.
9090 * optc-gen.awk: Generate common declarations for all flag
9091 variables in options.c. Output the neg_index field.
9093 * opts.c (find_opt): Moved to ...
9094 * opts-common.c: Here. New file.
9096 * opts.h (cl_option): Add a neg_index field.
9098 (prune_options): Likewise.
9100 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9103 * omp-low.c (expand_omp_parallel): Don't assert
9104 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9105 instead search for it.
9108 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9111 2006-05-16 Andreas Schwab <schwab@suse.de>
9113 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9116 2006-05-15 Roger Sayle <roger@eyesopen.com>
9119 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9120 integer constants other than zero are only legitimate on TARGET_64BIT.
9121 <CONST_VECTOR> Only zero vectors are legitimate.
9122 (ix86_cannot_force_const_mem): Integral and vector constants can
9123 always be put in the constant pool.
9125 2006-05-16 DJ Delorie <dj@redhat.com>
9127 * crtstuff.c (__dso_handle): Set section from
9128 TARGET_LBIGCC_SDATA_SECTION if defined.
9129 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9130 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9132 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9135 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9138 2006-05-16 Ben Elliston <bje@au.ibm.com>
9140 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9142 2006-05-15 Per Bothner <per@bothner.com>
9144 * tree.c: (last_annotated_node): Use source_locus typedef.
9145 This permits bootstrapping with --enable-mapped-location.
9147 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9149 PR tree-optimization/26830
9150 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9151 (info_for_ssa_name, current_info_for_ssa_name_age,
9152 blocks_to_update): New variables.
9153 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9154 (clear_ssa_name_info, initialize_flags_in_bb,
9155 mark_block_for_update): New functions.
9156 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9157 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9158 prepare_def_site_for): Use mark_block_for_update.
9159 (mark_def_interesting): Assert that the processed block is marked in
9160 blocks_to_update. Do not take blocks argument.
9161 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9163 (rewrite_update_init_block, rewrite_update_stmt): Only process
9164 blocks with statements to rewrite.
9165 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9166 (update_ssa): Initialize and free blocks_to_update. Do not
9167 clear flags on statements. Do not use blocks bitmap.
9168 * tree.h (SSA_NAME_AUX): Removed.
9169 (struct tree_ssa_name): Removed aux field.
9170 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9172 2006-05-15 Richard Guenther <rguenther@suse.de>
9174 PR tree-optimization/27603
9175 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9176 Do computations in original type.
9178 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9180 * see.c: Code style changes such as redundant paranthesis,
9181 redundant intialization of local variables etc.
9182 (see_main): Declared now as static.
9183 * doc/invoke.texi: Update that -fsee is not enabled by
9186 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9188 * omp-low.c (check_omp_nesting_restrictions): New function.
9189 (scan_omp_1): Call it.
9192 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9193 construct, return *VAR.
9195 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9197 PR rtl-optimization/27406
9198 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9201 2006-05-14 Roger Sayle <roger@eyesopen.com>
9203 PR rtl-optimization/27538
9204 * combine.c (expand_compound_operation): Call gen_lowpart
9205 before calling simplify_shift_const.
9207 2006-05-14 Roger Sayle <roger@eyesopen.com>
9209 PR rtl-optimization/22563
9210 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9211 a fixed width bitfield, always force the intermediates into psuedos.
9213 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9216 * mkconfig.sh: Use operator = instead of == for test.
9218 2006-05-13 Nick Clifton <nickc@redhat.com>
9220 * dwarf2out.c (dbx_reg_number): Check return value from
9221 LEAF_REG_REMAP and only use it if it is valid.
9222 (multiple_reg_loc_descriptor): Likewise.
9224 2006-05-13 Richard Guenther <rguenther@suse.de>
9226 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9229 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9231 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9232 information attached to non-INSNs such as NOTEs.
9233 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9235 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9237 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9239 * config/s390/s390.md: Adjust comment describing On constraint.
9241 2006-05-11 Jan Hubicka <jh@suse.cz>
9243 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9244 to be output at -O0.
9246 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9249 * fold-const.c (size_binop): Move sanity check for arguments to
9250 the beginning of the function.
9253 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9256 2006-05-11 Richard Guenther <rguenther@suse.de>
9259 * fold-const.c (fold_unary): Handle intermediate conversion
9260 to a pointer type like intermediate conversion to an integer
9261 type in folding of (T1)(T2)var to var.
9262 Match the code to the comment in the final conversion for
9263 (T1)(T2)var to (T1)var regarding to type precision. Rather
9264 than disallow T1 being of pointer type, assert that both T1
9265 and var are of pointer type or not. Make sure not to fall
9266 over the frontends lazyness wrt array to pointer decay though.
9268 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9270 * arm.c (arm_struct_value_rtx): Delete.
9271 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9272 (arm_init_cumulative_args): Always initialize nregs to zero.
9274 2006-05-10 Richard Guenther <rguenther@suse.de>
9276 PR tree-optimization/27532
9277 * tree-object-size.c (plus_expr_object_size): Fix typo.
9279 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9282 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9283 ashrdi_const, ashrdi3): Use a scratch register.
9285 2006-05-10 Richard Guenther <rguenther@suse.de>
9287 PR tree-optimization/27302
9288 * fold-const.c (operand_equal_p): For two comparisons,
9289 try comparison of one comparison code swapped if that yields
9292 2006-05-10 Ben Elliston <bje@au.ibm.com>
9294 * tree-pretty-print.c (pretty_print_string): No need to handle
9295 '\0' as a special character.
9297 * tree.h: Include "hashtab.h".
9298 (iterative_hash_expr): Use hashval_t in its prototype.
9299 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9301 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9304 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9305 (hppa*64*-*-hpux11*): Ditto.
9306 (hppa[12]*-*-hpux11*): Ditto.
9308 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9311 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9313 2006-05-09 Michael Matz <matz@suse.de>
9315 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9316 host_extra_gcc_objs and host_xmake_file.
9317 (<*-*-linux*>): Don't overwrite host_xmake_file.
9318 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9319 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9320 (host_detect_local_cpu): Declare.
9321 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9322 * config/i386/i386.c (override_options): Handle -mtune=native
9324 * config/i386/x-i386: New file.
9325 * config/i386/driver-i386.c: New file.
9326 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9329 2006-05-09 Dirk Mueller <dmueller@suse.de>
9330 Richard Guenther <rguenther@suse.de>
9333 * fold-const.c (fold_read_from_constant_string): Relax check
9334 for matching types to matching modes.
9336 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9338 PR rtl-optimization/27335
9339 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9342 2006-05-08 Chao-ying Fu <fu@mips.com>
9343 Richard Sandiford <richard@codesourcery.com>
9345 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9346 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9347 * config/mips/mips.md (UNSPEC_SCC): New constant.
9348 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9349 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9350 (mips_emit_compare): Use it.
9351 (mips_expand_vcondv2sf): New function.
9353 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9355 Fix PR tree-optimization/27093
9356 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9357 renaming when they become not-used_alone.
9359 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9361 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9362 relocation and relocation stubs.
9364 2006-05-08 Eric Christopher <echristo@apple.com>
9366 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9369 2006-05-08 Jan Hubicka <jh@suse.cz>
9372 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9373 unused static functions are needed.
9375 2006-05-08 Roger Sayle <roger@eyesopen.com>
9378 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9379 of a reg_equiv_constant if the result is a legitimate constant.
9381 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9384 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9385 standard 80387 constants, raise the cost to prevent
9386 compress_float_constant() to generate load from memory.
9388 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9390 * config/arm/constraints.md (c): Fix a typo.
9392 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9395 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9398 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9400 (_mm_mwait): Likewise.
9402 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9404 (sse3_monitor): Make it 32bit only.
9405 (sse3_monitor64): New. 64bit monitor.
9407 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9410 * config/i386/i386.c (classify_argument): Skip fields with invalid
9413 2006-05-07 Richard Guenther <rguenther@suse.de>
9415 PR tree-optimization/27409
9416 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9417 Do not try to find zero-sized subvars.
9419 2006-05-07 Richard Guenther <rguenther@suse.de>
9421 PR tree-optimization/27136
9422 * tree-ssa-loop-niter.c (get_val_for): Correct function
9423 comment, assert requirements.
9424 (loop_niter_by_eval): Stop processing if the iterated
9425 value did not simplify.
9427 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9429 * opts.c (flag_see): remove its setting at -O3.
9431 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9433 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9434 * arm/constraints.md: New file.
9435 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9436 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9437 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9438 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9439 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9440 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9441 * arm.md: Include constraints.md.
9442 (thumb_movsi_insn): Use satisfies_constraint_J.
9443 (movhi, movqi): Use satisfies_constraint_I.
9445 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9447 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9448 for atmeg a645 device.
9450 2006-05-06 Richard Guenther <rguenther@suse.de>
9452 PR tree-optimization/27151
9453 * tree-vect-transform.c (vectorizable_condition): Punt on
9454 values that have a different type than the condition.
9456 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9459 * c-parser.c (c_parser_cast_expression): Only insert casts into
9460 hash table if pointer.
9461 * function.c (used_types_insert_helper): Rename from
9463 (used_types_insert): Call used_types_insert_helper.
9464 * function.h (used_types_insert): Accept only one argument.
9466 2006-05-05 David Edelsohn <edesohn@gnu.org>
9468 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9469 scratch with output modifier.
9471 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9474 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9475 with output modifier.
9477 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9480 * config/mips/mips.c (mips_symbolic_address_p): Return true
9481 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9482 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9484 2006-05-04 Richard Guenther <rguenther@suse.de>
9486 PR tree-optimization/14287
9487 PR tree-optimization/14844
9488 PR tree-optimization/19792
9489 PR tree-optimization/21608
9490 PR tree-optimization/27090
9491 * tree-ssa-pre.c (try_combine_conversion): New function.
9492 (compute_avail): After constructing the value-handle
9493 expression, use try_combine_conversion to combine NOP_EXPRs
9494 with previous value-handle expressions and use the result if it
9497 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9499 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9501 2006-05-04 Jan Hubicka <jh@suse.cz>
9504 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9506 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9508 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9509 that this only matches CONST_INTs. All users changed to VOIDmode
9512 * config/bfin/bfin.c: Include "optabs.h".
9513 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9515 (enum bfin_builtins): Add a number of fractional and vector builtins.
9516 (bfin_init_builtins): Likewise.
9517 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9518 (safe_vector_operand, bfin_expand_binop_builtin,
9519 bfin_expand_unop_builtin): New functions.
9520 (bfin_expand_builtin): Handle the new builtins.
9521 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9524 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9527 * Makefile.in (OBJS-common): Add see.o.
9528 (see.o): Add dependencies.
9529 * common.opt (fsee): New flag for the see optimization was added.
9530 * opts.c (flag_see): Initialized.
9531 * passes.c (init_optimization_passes, pass_see): New pass.
9532 * rtl.h (see_main): Declaration as extern.
9533 * timevar.def (TV_SEE): New.
9534 * tree-pass.h (pass_see): Declaration as extern.
9535 * invoke.texi (-fsee): Document.
9536 * recog.c (validate_simplify_insn): New function.
9537 * recog.h (validate_simplify_insn): Declaration as extern.
9538 * df-problems.c (df_chain_dump): Check for NULL.
9540 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9541 Daniel Berlin <dberlin@dberlin.org>
9543 * cfgrtl.c (insert_insn_bb_end_new): New function.
9544 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9546 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9548 * df.h (struct web_entry): Moved from web.c.
9549 (union_defs): Declaration as extern.
9550 (unionfind_root): Likewise.
9551 (unionfind_union): Likewise.
9552 * web.c (struct web_entry): Moved to df.h.
9553 (unionfind_root): Remove static declaration.
9554 (unionfind_union): Likewise.
9555 (union_defs): Likewise and generalize to use callback function.
9556 (web_main): Update arguments for union_defs function call.
9558 2006-05-04 Richard Guenther <rguenther@suse.de>
9560 PR tree-optimization/26447
9561 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9562 produce SSA_NAME copies before the store stmt to avoid
9563 breaking exception handling.
9565 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9568 * gimplify.c (omp_is_private): If var is shared in some outer context,
9569 return false instead of true. Stop searching on parallel context
9572 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9575 * coverage.c: Use get_gcov_unsigned_t() instead of
9576 unsigned_type_node all over.
9578 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9580 PR tree-optimization/27381
9581 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9582 maintain the same immediate_use links.
9583 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9584 node rather than segfaulting.
9586 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9589 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9590 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9591 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9593 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9595 Fix PR tree-optimization/26626
9596 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9598 * tree-ssa-operands.c (access_can_touch_variable): Allow
9599 typecasting through union pointers.
9601 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9604 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9605 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9606 to find if var will be a global variable even in the nested context.
9607 (omp_copy_decl): Only check for global variable at the end, it might
9608 be overridden in outer contexts.
9609 (scan_sharing_clauses): For global variables don't create a field.
9610 (lower_rec_input_clauses): Do nothing for global shared variables.
9611 Emit a barrier at the end of ILIST if there were any decls in both
9612 firstprivate and lastprivate clauses.
9613 (lower_send_clauses): Do nothing for global variables except for
9616 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9618 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9619 of the correct signedness is returned.
9621 2006-05-02 Jeff Law <law@redhat.com>
9623 PR tree-optimization/27364
9624 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9625 multiply expressions.
9627 2006-05-02 Tom Tromey <tromey@redhat.com>
9629 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9631 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9634 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9635 -mthumb -fPIC are used.
9637 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9638 Joshua Kinard <kumba@gentoo.org>
9641 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9642 with 64-bit pointers.
9644 2006-05-02 Paul Brook <paul@codesourcery.com>
9646 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9648 (create_fix_barrier): Check that a suitable barrier location is
9650 (arm_reorg): Include ftmp->address in allowable range of addresses.
9652 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9655 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9658 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9661 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9662 around RESULT_DECL for result passed by reference.
9663 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9664 * omp-low.c (use_pointer_for_field): Don't look at
9665 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9666 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9667 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9668 time or var for passing by reference for
9669 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9670 TREE_ADDRESSABLE variables when passing by reference.
9672 * omp-low.c (dump_omp_region): Fix output formatting.
9675 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9676 (expand_omp_parallel): Likewise.
9677 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9680 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9681 on statement list containing also constructors and destructors.
9682 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9685 * except.c (duplicate_eh_regions): Fix clearing of
9686 cfun->eh->region_array entries.
9688 2006-05-01 DJ Delorie <dj@redhat.com>
9690 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9692 (gcc_cv_objdump): Likewise.
9693 * configure: Regenerated.
9695 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9698 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9699 templates for case 3 and 4.
9701 2006-05-01 DJ Delorie <dj@redhat.com>
9703 * vec.c: Include bconfig.h when appropriate.
9704 * Makefile.in (build/vec.o): Adjust dependencies.
9705 * mkconfig.sh: Make sure config.h isn't used for build machine
9708 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9710 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9712 (mark_phi_for_rewrite): New function.
9713 (insert_phi_nodes_for, mark_use_interesting): Call
9714 mark_phi_for_rewrite.
9715 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9716 (update_ssa): Initialize and free phis_to_rewrite.
9718 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9720 PR rtl-optimization/27291
9721 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9722 folded to a constant.
9724 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9726 PR tree-optimization/27283
9727 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9728 not whole # of iteration descriptions.
9729 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9730 uses abnormal ssa name.
9731 (niter_for_single_dom_exit): Ditto.
9732 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9733 return just the number of iterations.
9735 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9737 PR tree-optimization/27144
9738 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9739 (record_estimate): Only record constant upper bound.
9740 (infer_loop_bounds_from_undefined): Call
9741 compute_estimated_nb_iterations just once.
9742 (proved_non_wrapping_p): Renamed to ...
9743 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9744 (convert_step_widening, scev_probably_wraps_p): Call
9745 n_of_executions_at_most instead of proved_non_wrapping_p.
9746 (substitute_in_loop_info): Do not replace values in bounds.
9747 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9750 2006-05-01 Richard Henderson <rth@redhat.com>
9753 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9754 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9757 2006-05-01 Roger Sayle <roger@eyesopen.com>
9759 * c-typeck.c (parser_build_binary_op): Don't call the function
9760 unsigned_conversion_warning to spot operand/result type overflow.
9761 (build_binary_op): Instead, call convert_and_check instead of
9762 convert to report the problem when the operands are promoted.
9763 * c-common.c (unsigned_conversion_warning): Make static.
9764 * c-common.h (unsigned_conversion_warning): Delete prototype.
9766 2006-05-01 Richard Guenther <rguenther@suse.de>
9768 PR tree-optimization/26726
9769 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9771 (find_interesting_uses_address): ... we work around here
9772 by folding INDIRECT_REFs in the substituted base.
9774 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9776 * omp-low.c (dump_omp_region): Add newlines.
9778 2006-04-30 Roger Sayle <roger@eyesopen.com>
9780 * common.opt (Woverflow): New command line option.
9781 * c-common.c (constant_expression_warning): Check warn_overflow.
9782 (overflow_waring): Pass OPT_Woverflow to warning.
9783 (unsigned_conversion_warning): Likewise.
9784 (convert_and_check): Likewise.
9785 * doc/invoke.texi: Document new command line option.
9787 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9789 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9790 TARGET_NO_FP_IN_TOC for section anchors.
9791 (optimization_options): Enable section anchors for all
9792 non-"Objective" languages.
9794 2006-04-28 Eric Christopher <echristo@apple.com>
9796 * config/darwin-c.c (darwin_ms_struct): Move this
9797 (darwin_set_default_type_attributes): and this...
9798 * config/darwin.c: ... here.
9799 * config/darwin.h (darwin_ms_struct): Declare.
9801 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9803 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9805 2006-04-28 Roger Sayle <roger@eyesopen.com>
9808 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9809 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9810 an unsigned HOST_WIDE_INT.
9811 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9813 (really_start_incremental_init): No need to call convert because
9814 bitsize_zero_node is already of type bitsizetype.
9815 (push_init_level): Extract the value of constructor_index as an
9816 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9817 (process_init_element): Likewise.
9819 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9821 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9822 value before passing to make_relative_prefix.
9824 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9827 * builtins.c (expand_builtin_memset): Expand val in original mode.
9829 2006-04-27 Eric Christopher <echristo@apple.com>
9831 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9832 with #ifndef/#endif.
9833 * config/darwin-c.c (darwin_ms_struct): New.
9834 (darwin_pragma_ms_struct): Ditto.
9835 (darwin_set_default_type_attributes): Ditto.
9836 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9837 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9838 Register ms_struct pragma.
9839 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9840 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9841 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9842 darwin_set_default_type_attributes if TARGET_MACHO.
9844 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9846 PR tree-optimization/26854
9847 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9848 * doc/tree-ssa.texi: Update immuse iterator documentation.
9849 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9850 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9851 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9852 first_safe_imm_use, next_safe_imm_use): Remove.
9853 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9854 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9855 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9856 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9857 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9858 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9859 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9860 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9861 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9862 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9863 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9864 (perfect_nestify): Use new iterator.
9865 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9867 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9868 (next_imm_name): New field in struct immediate_use_iterator_d.
9869 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9870 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9871 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9872 * tree-cfg.c (replace_uses_by): Use new iterator.
9873 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9874 * tree-ssa-operands.c (correct_use_link): Remove.
9875 (finalize_ssa_use_ops): No longer call correct_use_link.
9877 2006-04-27 Stuart Hastings <stuart@apple.com>
9879 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9880 * config/t-darwin (crt3.o): Use it.
9881 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9882 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9883 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9884 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9885 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9888 2006-04-27 Roger Sayle <roger@eyesopen.com>
9890 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9891 size, force the intermediate into a new pseudo rather instead of
9892 performing both a bitwise AND and a bitwise IOR in memory.
9894 2006-04-27 Richard Guenther <rguenther@suse.de>
9896 PR rtl-optimization/26685
9897 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9898 this one "max-flow-memory-locations".
9900 2006-04-27 Richard Guenther <rguenther@suse.de>
9902 PR tree-optimization/25148
9903 * tree-vrp.c (compare_values): Remove code dealing with
9904 comparisons against type min/max value. Honour overflow
9905 and negative constants in code dealing with comparisons
9906 of plus and minus expressions.
9907 (value_inside_range): Use fold_binary with LE_EXPR and
9908 GE_EXPR rather than compare_values.
9910 2006-04-27 Dirk Mueller <dmueller@suse.de>
9912 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9915 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9917 * basic-block.h (safe_insert_insn_on_edge): Removed.
9918 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9920 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9921 Paolo Bonzini <bonzini@gnu.org>
9924 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9925 (simplify_and_const_int): Same.
9927 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9929 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9931 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9934 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9935 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9936 cgraph_global_info_ready.
9939 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9942 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9943 either decl or init is error_mark_node.
9946 * tree-flow.h (struct omp_region): Add sched_kind.
9947 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9948 instead of extracting omp for data.
9949 (expand_omp_for): Save extracted sched_kind.
9951 2006-04-25 Roger Sayle <roger@eyesopen.com>
9953 * expmed.c (store_bit_field): Also check whether the bitsize is
9954 valid for the machine's "insv" instruction before moving the
9955 target into a pseudo for use with the insv.
9956 * config/i386/predicates.md (const8_operand): New predicate.
9957 * config/i386/i386.md (extv, extzv, insv): Use the new
9958 const8_operand predicate where appropriate.
9960 2006-04-25 DJ Delorie <dj@redhat.com>
9962 * doc/install.texi (Specific): Clarify that this is not a list of
9963 supported hosts or targets.
9965 2006-04-25 Richard Sandiford <richard@codesourcery.com>
9967 PR rtl-optimization/26725
9968 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
9969 block's BB_DIRTY flag.
9971 2006-04-25 Geoffrey Keating <geoffk@apple.com>
9973 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
9976 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
9977 to print an integer.
9979 2006-04-25 David Edelsohn <edelsohn@gnu.org>
9981 * varasm.c (align_variable): New function.
9982 (get_block_for_decl): Apply align_variable to DECL before
9983 calculating section information.
9984 (assemble_variable): Split out alignment computation.
9986 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
9988 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
9991 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
9993 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
9994 MODE_PARTIAL_INT mode.
9995 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
9996 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
9998 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
9999 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10001 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10003 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10005 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10006 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10007 MACFLAG_IH): Likewise.
10008 (movstricthi_1): Renamed from "*movstricthi".
10009 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10010 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10011 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10012 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10013 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10014 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10015 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10016 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10017 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10018 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10019 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10020 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10021 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10022 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10023 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10025 * doc/rtl.texi (ss_ashift): Improve wording.
10027 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10029 * dwarf2out.c (verify_marks_clear): New.
10030 (prune_unused_types): Call verify_marks_clear initially, not
10033 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10035 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10036 * doc/rtl.texi: Document them.
10037 * simplify-rtx.c (simplify_unary_operation,
10038 simplify_binary_operation_1): Don't abort when we see them.
10040 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10043 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10044 * configure.ac: Completely disregard languages that are not
10046 * configure: Regenerated.
10048 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10049 Richard Guenther <rguenther@suse.de>
10051 PR tree-optimization/27236
10052 * tree-inline.c (copy_body_r): Make sure to copy
10053 TREE_THIS_VOLATILE flag.
10055 2006-04-24 Richard Guenther <rguenther@suse.de>
10057 PR middle-end/26869
10058 * tree-complex.c (update_parameter_components): Don't handle
10059 unused parameters which have no default def.
10061 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10062 Richard Guenther <rguenther@suse.de>
10064 PR tree-optimization/27218
10065 * tree-inline.c (expand_call_inline): Strip useless type
10066 conversions for the return slot address.
10068 2006-04-24 Richard Guenther <rguenther@suse.de>
10070 * cfgloop.h (struct loops): Remove unused field array. Reorder
10072 (LOOP_PREFETCH): Remove.
10074 2006-04-24 Richard Guenther <rguenther@suse.de>
10076 PR tree-optimization/22525
10077 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10078 variable, adjust types of generated expressions.
10080 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10082 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10083 (tree-vect-patterns.o): Likewise.
10084 (jump.o): Likewise.
10085 (cselib.o): Likewise.
10086 (loop-doloop.o): Likewise.
10087 (regclass.o): Likewise.
10088 (reload1.o): Likewise.
10089 (explow.o): Replace target.h with $(TARGET_H).
10090 (ipa-prop.o): Likewise.
10091 (ipa-cp.o): Likewise.
10092 (ipa-inline.o): Likewise.
10093 (reorg.o): Likewise.
10094 (reg-stack.o): Likewise.
10096 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10098 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10100 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10102 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10104 * configure.ac: Completely disregard languages that are not
10106 * configure: Regenerated.
10109 * c-common.h (c_build_bitfield_integer_type): Declare.
10110 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10111 * c-common.c (c_build_bitfield_integer_type): ... here.
10113 2006-04-23 Roger Sayle <roger@eyesopen.com>
10116 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10117 a SImode SUBREG of a floating point register after no_new_pseudos.
10119 2006-04-23 Roger Sayle <roger@eyesopen.com>
10121 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10122 identify potentially eliminable registers to additionally catch
10123 VIRTUAL_INCOMING_ARGS_REGNUM.
10124 (addsi3): Update the conditions on when to use addsi_small_int.
10126 2006-04-23 Roger Sayle <roger@eyesopen.com>
10129 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10130 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10131 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10133 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10135 * fold-const.c (range_predecessor): Use operand_equal_p
10136 as the predicate for equality.
10137 (range_successor): Likewise.
10139 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10142 * config/soft-fp/op-common.h: Fix a typo.
10144 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10146 PR libmudflap/26864
10147 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10148 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10150 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10152 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10154 * doc/tm.texi: Fix a typo.
10156 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10158 * dwarf2out.c (struct die_struct): Document that die_sib makes
10159 a circular linked list.
10160 (FOR_EACH_CHILD): New.
10161 (reverse_die_lists): Delete.
10162 (reverse_all_dies): Delete.
10163 (add_dwarf_attr): Correct documentation.
10164 (remove_child_with_prev): New.
10165 (remove_child_TAG): Update for change to die_struct, use
10166 remove_child_with_prev.
10167 (add_child_die): Update for change to die_struct.
10168 (splice_child_die): Use remove_child_with_prev and add_child_die.
10169 (print_die): Use FOR_EACH_CHILD.
10170 (die_checksum): Likewise.
10171 (assign_symbol_names): Likewise.
10172 (output_location_lists): Likewise.
10173 (build_abbrev_table): Likewise.
10174 (calc_die_sizes): Likewise.
10175 (mark_dies): Likewise.
10176 (unmark_dies): Likewise.
10177 (unmark_all_dies): Likewise.
10178 (output_die): Likewise.
10179 (prune_unused_types_mark): Likewise.
10180 (prune_unused_types_walk): Likewise.
10181 (same_die_p): Update for change to die_struct.
10182 (break_out_includes): Likewise.
10183 (prune_unused_types_prune): Likewise.
10184 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10185 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10186 it's already clear.
10187 (dwarf2out_finish): Don't call reverse_all_dies.
10189 2006-04-21 Eric Christopher <echristo@apple.com>
10191 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10192 in comments and function names.
10194 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10197 * c-typeck.c (digest_init): Robustify.
10199 * c-typeck.c (pop_init_level): Simplify.
10201 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10203 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10205 2006-04-21 Paul Brook <paul@codesourcery.com>
10207 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10208 hardware floating point.
10210 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10212 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10215 2006-04-21 Nick Clifton <nickc@redhat.com>
10217 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10220 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10223 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10224 C++ lang type in traceback table for Objective-C++.
10226 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10228 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10230 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10232 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10235 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10236 were errors. Remove check for erroneous objects.
10238 2006-04-20 Jeff Law <law@redhat.com>
10240 PR tree-optimization/26854
10241 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10242 checking for zero or one use.
10243 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10244 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10245 * tree-ssa-reassoc.c (negate_value): Similarly.
10246 (reassociate_bb): Similarly.
10248 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10250 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10251 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10252 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10254 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10256 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10257 fp regs if the last fp arg doesn't fit in regs.
10259 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10262 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10263 that the last insn has the REG_INC note.
10265 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10266 Nathan Sidwell <nathan@codesourcery.com>
10269 * stor-layout.c (update_alignment_for_field): Do not align
10271 (place_union_field): Place union field at the start of the union.
10272 (place_field): Move ERROR_MARK check later, and use the current
10273 allocation position to maintain monotonicity.
10275 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10277 * dominance.c: Include timevar.h.
10278 (calculate_dominance_info): Use TV_DOMINANCE.
10279 * timevar.def (TV_DOMINANCE): New timevar.
10280 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10282 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10284 PR rtl-optimization/14261
10285 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10286 move would be an INSV insn.
10287 (noce_process_if_block): Don't optimize if the destination is a
10288 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10290 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10292 * config/s390/s390.md: Add comments with the instructions emitted
10293 by an insn pattern if macros are used.
10295 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10297 PR rtl-optimization/26026
10298 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10299 is a known power of two shifted left a variable amount.
10301 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10303 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10304 to hash table twice when the debug_str section has SECTION_MERGE.
10306 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10308 * config/soft-fp: New directory. From glibc.
10309 * config/soft-fp/t-softfp: New.
10310 * config/soft-fp/README: New.
10311 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10312 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10313 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10314 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10315 * config.gcc: Use rs6000/t-fprules-fpbit or
10316 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10318 * config/rs6000/sfp-machine.h: New. Based on glibc.
10319 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10321 * config/rs6000/t-fprules: Remove fp-bit rules.
10322 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10323 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10324 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10325 (softfp_wrap_start, softfp_wrap_end): New.
10327 2006-04-18 DJ Delorie <dj@redhat.com>
10329 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10331 2006-04-18 Devang Patel <dpatel@apple.com>
10333 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10335 2006-04-18 Nick Clifton <nickc@redhat.com>
10337 * config/sh/t-symbian: Add rule to build sh-c.o
10338 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10339 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10340 (sh_symbian_encode_section_info): Likewise.
10342 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10344 * builtins.c (expand_builtin_strcmp): Cover label definition of
10345 do_libcall with HAVE_cmpstrnsi.
10347 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10349 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10351 * function.h (temp_slot_p): New.
10352 (function): Change the type of x_used_temp_slots to
10353 VEC(temp_slot_p,gc) *.
10355 2006-04-18 Nick Clifton <nickc@redhat.com>
10357 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10358 flag_strength_reduce.
10360 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10362 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10366 Partial revert of revision 112637
10367 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10368 Dale Johannesen <dalej@apple.com>
10371 * regclass.c (struct reg_pref): Update documentation.
10372 (regclass): Set prefclass to NO_REGS if memory is the best option.
10373 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10375 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10377 PR tree-optimization/26821
10378 * tree-ssa-math-opts.c (get_constant_one): New.
10379 (insert_reciprocals): Use it.
10381 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10383 * dwarf2out.c (free_AT): Delete.
10384 (remove_AT): Update string ref counts.
10385 (remove_child_TAG): Don't call free_die.
10386 (free_die): Delete.
10387 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10388 or DW_TAG_GNU_EINCL.
10389 (prune_unused_types_walk_attribs): Reset string refcounts.
10390 (prune_unused_types_update_strings): New.
10391 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10392 call free_die. Do call prune_unused_types_update_strings.
10393 (prune_unused_types): Empty debug_str_hash.
10395 2006-04-17 Roger Sayle <roger@eyesopen.com>
10397 * expr.c (expand_assignment): Optimize away no-op moves where the
10398 source and destination are equal and have no side-effects.
10400 2006-04-17 Richard Guenther <rguenther@suse.de>
10403 * reload.c (push_reload): Guard calls to get_secondary_mem
10404 for memory subregs.
10406 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10408 * alias.c (reg_base_value, old_reg_base_value): Change the
10409 type to VEC(rtx,gc) *.
10410 (REG_BASE_VALUE, find_base_value, record_set,
10411 init_alias_analysis): Use VEC instead of VARRAY.
10413 * alias.c (alias_sets): Change the type to
10414 VEC(alias_set_entry,gc) *.
10415 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10416 VEC instead of VARRAY.
10417 (last_alias_set): Remove.
10419 * cgraph.h (cgraph_edge_p): New.
10420 Update the prototype of cgraph_function_versioning.
10421 * cgraphunit.c (cgraph_copy_node_for_versioning,
10422 cgraph_function_versioning): Use VEC instead of VARRAY.
10423 * ipa-cp.c (ipcp_insert_stage): Likewise.
10425 2006-04-16 Roger Sayle <roger@eyesopen.com>
10428 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10429 "A op B" or "A op C", we may need to convert A to the type of B and C.
10431 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10433 * target.h (struct gcc_target): Add mode_rep_extended.
10434 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10435 (init_num_sign_bit_copies_in_rep): Initialize it using
10437 (truncate_to_mode): Use it.
10438 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10439 * targhooks.h (default_mode_rep_extended): Declare it.
10440 * targhooks.c (default_mode_rep_extended): Define it.
10441 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10442 default_mode_rep_extended.
10443 (TARGET_INITIALIZER): Include it.
10444 * doc/tm.texi (Misc): Document it.
10445 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10446 (mips_truncated_to_mode): New function.
10448 2006-04-16 Roger Sayle <roger@eyesopen.com>
10450 PR middle-end/25474
10451 * expr.c (compress_float_constant): Copy the narrow constant into
10452 a new pseudo before extending it to its final width.
10454 2006-04-16 Roger Sayle <roger@eyesopen.com>
10455 Andrew Pinski <pinskia@gcc.gnu.org>
10456 Dale Johannesen <dalej@apple.com>
10459 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10460 special case code to implement V8HImode and V16QImode with SSE2.
10462 2006-04-15 Roger Sayle <roger@eyesopen.com>
10464 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10465 trees are constructed with a suitable tree type.
10467 2006-04-15 Roger Sayle <roger@eyesopen.com>
10469 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10470 (integer_onep): Likewise.
10471 (integer_all_onesp): Likewise.
10472 (integer_pow2p): Likewise.
10473 (integer_nonzerop): Likewise.
10474 (real_zerop): Likewise.
10475 (real_onep): Likewise.
10476 (real_twop): Likewise.
10477 (real_minus_onep): Likewise.
10478 (int_size_in_bytes): Likewise.
10479 (host_integerp): Likewise.
10481 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10483 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10484 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10485 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10487 * tree-ssa-structalias.h (alias_info): Remove num_references.
10489 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10491 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10492 (output_bvb patterns): Likewise.
10493 * pa.c (output_bb): Use 'bb' insn for long branch case.
10494 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10495 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10496 1. Correct length operand for alternatives 1 and 2.
10497 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10498 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10500 2006-04-14 Roger Sayle <roger@eyesopen.com>
10502 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10503 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10504 were accidentally reverted by r112959.
10506 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10508 PR middle-end/26823
10509 * except.h (eh_region_outermost): New prototype.
10510 * except.c (eh_region_outermost): New function.
10511 * tree-cfg.c (find_outermost_region_in_block): Use it.
10513 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10515 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10517 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10518 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10519 (init_reload, reload): Use VEC instead of VARRAY.
10520 * reload.h: Update the prototype for
10521 reg_equiv_memory_loc_varray.
10523 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10524 Eric Botcazou <ebotcazou@libertysurf.fr>
10526 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10527 register save area.
10529 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10531 PR middle-end/27134
10532 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10533 to expand fallback builtin function call.
10535 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10537 PR middle-end/27095
10538 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10539 and emit libcall here in case the builtin fails.
10540 (expand_builtin_strcmp): Always emit the libcall here on failure.
10542 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10544 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10545 * flow.c (reg_n_info): Change the type to
10546 VEC(reg_info_p,heap) *.
10547 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10549 * regs.h (reg_info_p): New.
10550 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10551 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10552 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10555 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10557 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10559 * params.h (MAX_SCHED_READY_INSNS): New macro.
10560 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10561 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10562 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10563 the ready list for 1 cycle during the first scheduling pass.
10564 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10566 2006-04-13 Richard Henderson <rth@redhat.com>
10569 * gimple-low.c (lower_omp_directive): Remove dead code.
10570 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10571 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10572 * omp-low.c (struct omp_region): Move to tree-flow.h.
10573 (root_omp_region): Export.
10574 (omp_regions, lookup_omp_region): Remove.
10575 (determine_parallel_type): Update for struct omp_region changes.
10576 (dump_omp_region): Dump regions with block numbers.
10577 (new_omp_region): Take type and block instead of stmt; malloc
10579 (free_omp_region_1, free_omp_regions): New.
10580 (expand_parallel_call): Take entry_stmt as argument; update for
10581 changes to omp_region.
10582 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10583 (remove_exit_barriers): New.
10584 (expand_omp_parallel): Update for struct omp_region changes.
10585 (expand_omp_synch): Likewise.
10586 (expand_omp): Likewise.
10587 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10588 (expand_omp_for_static_chunk): Likewise.
10589 (expand_omp_for): Likewise.
10590 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10591 (expand_omp_sections): Similarly, with GOMP_sections_end.
10592 (expand_omp_single): New.
10593 (build_omp_regions_1): Update for OMP_CONTINUE.
10594 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10595 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10596 OMP_SECTIONS_SECTIONS.
10597 (lower_omp_single_simple): Don't emit barrier here.
10598 (lower_omp_single_copy): Likewise.
10599 (lower_omp_single): Fix bindings, and lower to straightline now.
10600 (lower_omp_master, lower_omp_ordered): Likewise.
10601 (lower_omp_critical): Likewise.
10602 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10603 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10604 omp edges, free it afterward.
10605 (make_omp_sections_edges): Remove.
10606 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10607 (move_stmt_r): Handle OMP_CONTINUE.
10608 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10609 statement pointers to basic blocks. Add type member.
10610 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10611 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10612 * tree-inline.c (estimate_num_insns_1): Likewise.
10613 * tree-pretty-print.c (dump_generic_node): Likewise.
10614 * tree-ssa-operands.c (get_expr_operands): Likewise.
10615 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10616 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10617 (OMP_CONTINUE): New.
10618 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10619 (OMP_SECTIONS_SECTIONS): Remove.
10620 (OMP_SECTION_LAST): New.
10621 (OMP_RETURN_NOWAIT): New.
10623 2006-04-13 Roger Sayle <roger@eyesopen.com>
10625 * fold-const.c (native_encode_vector, native_interpret_real):
10626 Correct obvious mistakes in the previous check-in.
10628 2006-04-13 Roger Sayle <roger@eyesopen.com>
10630 * fold-const.c (native_encode_expr): New function to encode
10631 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10632 or VECTOR_CST into a specified buffer.
10633 (native_encode_int): New function.
10634 (native_encode_real): New function.
10635 (native_encode_complex): New function.
10636 (native_encode_vector): New function.
10637 (native_interpret_expr): Inverse of native_encode_expr to convert
10638 a target representation into an INTEGER_CST, REAL_CST etc...
10639 (native_interpret_int): New function.
10640 (native_interpret_real): New function.
10641 (native_interpret_complex): New function.
10642 (native_interpret_vector): New function.
10643 (fold_view_convert_expr): New function to constant fold/evaluate
10644 a VIEW_CONVERT_EXPR of a suitable constant expression.
10645 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10646 Change call of build1 to fold_build1 when constructing a
10649 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10650 Ulrich Weigand <uweigand@de.ibm.com>
10653 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10656 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10659 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10660 optimize to lo_sum for DFmode if !TARGET_FPRS.
10662 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10664 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10665 delete_alias_info, compute_flow_sensitive_aliasing,
10666 group_aliases): Use VEC instead of VARRAY.
10667 * tree-ssa-structalias.c (update_alias_info): Likewise.
10668 * tree-ssa-structalias.h (alias_info): Change the type of
10669 processed_ptrs to VEC(tree,heap) *.
10671 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10674 * config/sh/lib1funcs.h: New file, broken out of:
10675 * config/sh/lib1funcs.asm.
10676 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10678 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10679 * config/sh/lib1funcs-Os-4-200.asm: New file.
10680 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10681 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10682 (EXTRA_MULTILIB_PARTS): Include it.
10683 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10684 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10685 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10686 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10689 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10691 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10692 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10693 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10695 * tree-ssa-live.h: Include vecprim.h.
10696 (tree_partition_associator_d): Change the type of
10697 first_partition to VEC(int,heap) *.
10698 (tpa_first_partition): Use VEC instead of VARRAY.
10700 * Makefile.in (GTFILES): Move functions.h after tree.h.
10701 * function.c (reset_block_changes, record_block_change,
10702 check_block_change, free_block_changes): Use VEC instead of
10704 * function.h (function): Change the type of
10705 ib_boundaries_block to VEC(tree,gc) *.
10706 * tree-inline.c (copy_cfg_body): Initialize
10707 ib_boundaries_block to NULL instead of (varray_type) 0.
10709 2006-04-12 Roger Sayle <roger@eyesopen.com>
10711 * expr.c (emit_group_store): Correct operand order in call to
10712 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10713 a SUBREG_BYTE of zero.
10715 2006-04-12 Richard Guenther <rguenther@suse.de>
10717 * profile.c (compute_branch_probabilities): Remove code
10718 encapsulated in !ir_type (), which are remanents of the
10719 removed RTL profiling code.
10720 * rtl-profile.c: Remove.
10722 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10724 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10725 magic NULL_RTX comment.
10726 (function_arg): Store entire fp arg to mem if any part should go
10728 (rs6000_arg_partial_bytes): Adjust for above change.
10730 2006-04-11 Roger Sayle <roger@eyesopen.com>
10732 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10733 if it hasn't been initialized by dwarf2out_init.
10735 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10737 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10738 symbolic constants in branch patterns.
10740 2006-04-11 Roger Sayle <roger@eyesopen.com>
10742 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10744 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10746 PR rtl-optimization/27073
10747 * gcse.c (try_replace_reg): Revert last change. Continue to search
10748 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10751 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10753 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10754 aggregate types other than record and union types.
10755 (function_arg): Likewise.
10756 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10758 (function_value): In 64-bit mode, return objects that require it
10761 2006-04-11 Roger Sayle <roger@eyesopen.com>
10763 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10765 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10767 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10769 2006-04-03 Jeff Law <law@redhat.com>
10772 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10773 alias information too.
10775 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10777 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10779 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10782 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10783 (premark_used_types_helper): New.
10784 (premark_used_types): New.
10785 (gen_subprogram_die): Call premark_used_types.
10786 (prune_unused_types_walk): Do not prune perennial dies.
10787 * function.c (used_types_insert): New.
10788 * function.h (struct function): Add used_types_hash field.
10789 (used_types_insert): Add prototype.
10790 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10791 * c-parser.c (c_parser_cast_expression): Save casted types in used
10794 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10797 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10798 rs6000_explicit_options.float_gprs.
10800 2006-04-10 Roger Sayle <roger@eyesopen.com>
10802 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10803 from ix86_expand_vector_init_low_nonzero. Take an additional
10804 one_var argument indicating which element is non-zero. Support
10805 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10806 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10807 with one_var instead of ix86_expand_vector_init_low_nonzero.
10809 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10811 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10812 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10813 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10814 build/genextract.o): Depend on vecprim.h.
10815 * cfglayout.c, df-problems.c, function.c, genextract.c,
10816 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10817 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10821 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10823 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10824 Declare VECs of this type.
10825 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10826 (remove_children): Delete.
10827 (add_dwarf_attr): Use VEC routines.
10828 (add_AT_flag): Update for changes to add_dwarf_attr.
10829 (add_AT_int): Likewise.
10830 (add_AT_unsigned): Likewise.
10831 (add_AT_long_long): Likewise.
10832 (add_AT_vec): Likewise.
10833 (add_AT_string): Likewise.
10834 (add_AT_die_ref): Likewise.
10835 (add_AT_fde_ref): Likewise.
10836 (add_AT_loc): Likewise.
10837 (add_AT_loc_list): Likewise.
10838 (add_AT_addr): Likewise.
10839 (add_AT_lbl_id): Likewise.
10840 (add_AT_lineptr): Likewise.
10841 (add_AT_macptr): Likewise.
10842 (add_AT_offset): Likewise.
10843 (add_AT_range_list): Likewise.
10844 (get_AT): Use VEC_iterate.
10845 (remove_AT): Use VEC_ordered_remove.
10846 (free_die): Fold remove_children into here; have it use VEC_iterate.
10847 (print_die): Use VEC_iterate on attrs.
10848 (reverse_die_lists): Don't reverse attr lists.
10849 (die_checksum): Use VEC_iterate on attrs.
10850 (same_die_p): Likewise.
10851 (output_location_lists): Likewise.
10852 (build_abbrev_table): Likewise.
10853 (size_of_die): Likewise.
10854 (unmark_all_dies): Likewise.
10855 (output_abbrev_section): Likewise.
10856 (output_die): Likewise.
10857 (prune_unused_types_walk_attribs): Likewise.
10859 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10861 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10863 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10866 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10868 2006-04-09 Roger Sayle <roger@eyesopen.com>
10870 * expr.c (store_constructor): Don't bother clearing target if
10871 we're about to assign a vector to it using vec_init_optab.
10873 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10875 * tree-ssa-alias.c (lhs_may_store_to): New function.
10876 (recalculate_used_alone): Handle LHS of calls.
10878 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10882 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10883 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10884 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10885 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10886 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10887 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10888 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10889 stubs. Add ".align 8" directives before all ".dword" directives.
10890 (GTHREAD_USE_WEAK): Revise comment.
10891 (TARGET_ATTRIBUTE_WEAK): Define.
10892 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10893 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10894 * stublib.c: New file.
10899 * pa.md (cbranch patterns): Revise arguments used in calls to
10900 output_cbranch, output_bb and output_bvd. Add long branch length
10902 (fbranch patterns): Handle long branches.
10903 (jump): Revise length check. Revise arguments for output_lbranch call.
10904 Add long branch length attributes.
10905 (decrement_and_branch_until_zero): Add long branch length attributes.
10906 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10907 Likewise. Revise arguments for output_parallel_addb and
10908 output_parallel_movb calls.
10909 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10910 output_parallel_movb and output_parallel_addb): Update prototypes.
10911 * pa.c (output_cbranch): Revise arguments. Correct handling of
10912 nullification in long branches.
10913 (output_lbranch): Add new argument to control extraction of delay
10915 (output_bb): Handle long branches.
10916 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10917 output_parallel_addb): Likewise.
10919 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10921 PR rtl-optimization/27073
10922 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10925 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10927 * tree.h (tree_memory_tag): Add old_used_alone.
10928 (SMT_OLD_USED_ALONE): New macro.
10929 * tree-ssa-alias.c (recalculate_used_alone): Stop
10930 marking things for renaming unnecessarily.
10932 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10934 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10935 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10936 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10937 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10938 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10939 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10940 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10941 spelling convensions.
10942 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10943 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10944 typos. Follow spelling conventions.
10946 2006-04-07 DJ Delorie <dj@redhat.com>
10948 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10949 passed on the stack.
10950 (m32c_init_cumulative_args): When a function returns a structure,
10951 always pass the pointer to that return area on the stack.
10952 (m32c_function_arg_advance): Don't increment the parameter number
10953 if we're processing the returned structure pointer.
10954 (pushm_info): Reverse order of registers.
10956 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
10958 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
10959 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
10960 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
10961 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
10962 build_int_cst_type.
10963 * tree-chrec.c (chrec_fold_multiply_poly_poly,
10964 chrec_fold_multiply): Same.
10965 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
10966 force_expr_to_var_cost): Same.
10967 * tree-mudflap.c (mf_xform_derefs_1): Same.
10968 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
10970 2006-04-07 David Edelsohn <edelsohn@gnu.org>
10972 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
10973 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
10976 2006-04-07 Jan Hubicka <jh@suse.cz>
10978 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
10980 2006-04-07 Richard Guenther <rguenther@suse.de>
10982 PR tree-optimization/26135
10983 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
10984 loads for store copy-prop.
10985 (copy_prop_visit_stmt): Likewise.
10987 2006-04-05 Robert Millan <robertmh@gnu.org>
10989 * config/i386/linux.h: Add a comment to mark macros that are
10990 being overriden in config/k*bsd-gnu.h.
10991 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
10993 * config/knetbsd-gnu.h: Ditto.
10995 2006-04-06 Jan Hubicka <jh@suse.cz>
10999 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11002 2006-04-06 Mike Stump <mrs@apple.com>
11004 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11005 for HAVE_nonlocal_goto to be consistent.
11006 (expand_builtin_nonlocal_goto): Likewise.
11007 (expand_builtin_strcmp): Use #ifdef instead of #if
11008 for HAVE_cmpstrnsi to be consistent.
11010 2006-04-05 DJ Delorie <dj@redhat.com>
11012 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11015 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11017 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11018 got-relative addressing for anything but SImode.
11020 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11021 even if the calling function doesn't modify them.
11023 2006-04-05 Richard Guenther <rguenther@suse.de>
11025 PR tree-optimization/26919
11026 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11027 to cgraph_estimate_size_after_inlining.
11029 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11031 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11033 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11035 PR tree-optimization/26996
11036 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11037 VECTOR_TYPE variables.
11039 2006-04-05 Richard Guenther <rguenther@suse.de>
11041 PR tree-optimization/26763
11042 * fold-const.c (fold_comparison): Move folding of
11043 PTR + CST CMP PTR + CST ...
11044 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11046 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11048 * doc/install.texi (Prerequisites): Refine some wording on
11049 bootstrapping and ksh.
11050 Move the version numbers of DejaGnu here from the testing section
11051 and fix casing of names.
11052 Fix markup and clarify wording for autogen requirements.
11053 Refer to GCJ instead of just java.
11054 Refer to SVN instead of CVS.
11055 Describe diffutils as useful instead of necessary.
11056 (Downloading the source): Refer to SVN instead of CVS.
11057 Adjust a link to our web site accordingly.
11058 (Configuration): Fix casing of Bison.
11059 (Building): Refer to SVN instead of CVS.
11060 Fix a sentence on the use of Bison and remove duplicate (and
11061 incorrect) version number of Bison requirement.
11062 Remove one redundant list of packages needed for building.
11063 (Specific): Avoid reference to CVS.
11065 2006-04-04 Eric Christopher <echristo@apple.com>
11067 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11068 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11069 (rs6000_handle_struct_attribute): New.
11070 (rs6000_ms_bitfield_layout_p): Ditto.
11072 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11074 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11075 NULL for dso parameter to atexit_common.
11077 2006-04-04 Eric Christopher <echristo@apple.com>
11079 * config/i386/i386.c (machopic_output_stub): Output \t
11080 between instructions and operands.
11082 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11084 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11085 satisfies_constraint_[IL] to explicit tests on value.
11087 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11089 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11090 set_nb_iterations_in_loop): Use build_int_cst instead of
11091 build_int_cst_type.
11092 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11093 build_int_cst instead of convert.
11095 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11097 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11098 new value 2 for incoming.
11099 * function.c (expand_function_start): Call struct_value_rtx
11100 with incoming as 2.
11101 * config/sparc/sparc.md: Comment updated_return.
11102 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11103 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11104 struct return if sparc_std_struct_return and incoming is 2.
11105 (print_operand): Do not adjust return if
11106 sparc_std_struct_return.
11108 2006-04-04 Roger Sayle <roger@eyesopen.com>
11110 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11111 convert in the middle-end.
11112 * expr.c (store_expr, store_constructor, get_inner_reference,
11113 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11115 * tree.c (build_range_type): Likewise.
11117 2006-04-04 Tom Tromey <tromey@redhat.com>
11119 * doc/install.texi (Prerequisites): Mention jar.
11121 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11123 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11126 2006-04-04 Matthias Klose <doko@debian.org>
11128 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11132 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11135 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11137 * doc/extend.texi (Function Attributes): Rewrite visibility
11138 attribute documentation.
11139 * doc/invoke.texi (C++ Dialect Options): Rewrite
11140 -fvisibility-inlines-hidden documentation to describe something
11141 entirely different, although in practise compatible.
11142 (Code Gen Options): Warn about system headers in -fvisibility=
11145 * doc/extend.texi (Other Builtins): Document that
11146 __builtin_nan is a compile-time constant only when its argument
11149 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11151 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11152 trying to remove TRUNCATE check if all bits outside the new mode
11153 are identical to the sign bit.
11155 2006-04-03 Jeff Law <law@redhat.com>
11157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11158 and operand scanning in some common cases.
11160 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11161 Dale Johannesen <dalej@apple.com>
11164 * regclass.c (struct reg_pref): Update documentation.
11165 (regclass): Set prefclass to NO_REGS if memory is the best option.
11166 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11167 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11168 into account. For non-registers, equate an empty preferred
11169 reload class to a `!' in the constraint; move the if clause to
11170 do so after those that reject the insn.
11171 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11173 (find_dummy_reload): Likewise.
11174 * doc/tm.texi (Register Classes): Document what it means
11175 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11176 * config/i386/i386.c (ix86_preferred_reload_class): Force
11177 using SSE registers (and return NO_REGS for floating-point
11178 constants) if math is done with SSE.
11179 (ix86_preferred_output_reload_class): New.
11180 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11181 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11182 * config/i386/i386.md: Remove # register preferences.
11184 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11187 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11188 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11189 the type of nb_iter.
11190 (instantiate_parameters_1): Convert the operands before calling
11191 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11192 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11194 2006-04-02 Roger Sayle <roger@eyesopen.com>
11196 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11197 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11198 instead of convert.
11199 * dojump.c (do_jump): Likewise.
11200 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11201 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11202 gimplify_boolean_expr): Likewise.
11203 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11204 * varasm.c (array_size_for_constructor): Likewise.
11205 * tree-object-size.c (compute_object_offset): Likewise.
11207 2006-04-02 Roger Sayle <roger@eyesopen.com>
11209 PR middle-end/26977
11210 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11211 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11213 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11215 PR tree-optimization/26939
11216 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11218 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11220 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11221 at_stmt. Convert the type of operands before calling
11222 build_polynomial_chrec.
11223 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11224 add_to_evolution_1.
11225 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11226 (instantiate_parameters_1): Convert the type of operands before calling
11227 build_polynomial_chrec.
11228 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11229 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11230 reset_evolution_in_loop): Insert asserts to check the types of the
11232 (chrec_type): Moved...
11233 (eq_evolutions_p): Use operand_equal_p.
11234 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11235 the types of the operands.
11236 (chrec_type): ...here.
11237 * tree-data-ref.c (create_data_ref): Convert the operands before
11238 calling chrec_replace_initial_condition.
11239 (same_access_functions, analyze_subscript_affine_affine,
11240 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11241 (compute_subscript_distance, analyze_ziv_subscript,
11242 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11243 analyze_miv_subscript): Convert the operands before calling
11244 chrec_fold_minus or chrec_fold_plus.
11246 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11248 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11249 the dependence_relations vector.
11250 (compute_data_dependences_for_loop): Adjust call to
11251 compute_all_dependences.
11253 2006-04-01 Roger Sayle <roger@eyesopen.com>
11254 Richard Henderson <rth@redhat.com>
11256 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11257 gimple_boolify on the condition before calling gimplify_expr.
11259 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11261 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11262 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11263 the frame size. Update to use the new macros.
11264 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11265 * config/xtensa/ieee754-df.S: Likewise.
11267 2006-03-31 Richard Henderson <rth@redhat.com>
11269 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11270 (make_edges): ... here. Control fallthru creation with a local
11271 variable. Do not play with fake edges.
11272 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11273 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11276 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11278 * dwarf2.h (DW64_CIE_ID): Define.
11279 * dwarf2out.c (DWARF_CIE_ID): Define.
11280 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11281 length header. Use DWARF_CIE_ID.
11282 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11283 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11285 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11287 * config/sh/linux-atomic.asm: New file.
11288 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11290 2006-03-31 DJ Delorie <dj@redhat.com>
11292 * config/m32c/cond.md: Set condition flags properly throughout.
11293 * config/m32c/minmax.md: Likewise.
11294 * config/m32c/prologue.md: Likewise.
11295 * config/m32c/bitops.md: Likewise.
11296 * config/m32c/muldiv.md: Likewise.
11297 * config/m32c/mov.md: Likewise.
11298 * config/m32c/addsub.md: Likewise.
11299 * config/m32c/m32c.md: Likewise.
11300 * config/m32c/jump.md: Likewise.
11301 * config/m32c/shift.md: Likewise.
11303 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11304 conditionally output the pattern for this.
11305 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11306 (m32c_compare_redundant): New.
11307 (m32c_output_compare): New.
11308 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11310 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11311 dest, not src. Allow other 4-byte modes.
11313 2006-03-30 Denis Chertykov <denisc@overta.ru>
11315 * doc/md.texi: Refer to avr/constraints.md instead of
11318 2006-03-30 Roger Sayle <roger@eyesopen.com>
11320 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11321 signed vs. unsigned comparison failures on some hosts.
11323 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11326 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11327 change to FLOAT_REGS.
11329 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11330 (rs6000_override_options): Use it.
11331 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11332 only for -mabi=spe/no-spe and -mabi=altivec.
11334 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11336 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11339 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11341 * Makefile.in: Rename docdir to gcc_docdir.
11343 2006-03-30 Roger Sayle <roger@eyesopen.com>
11346 * expr.c (emit_group_store): Optimize group stores into a pseudo
11347 register by using a paradoxical subreg to initialize the destination
11348 if the first or last member of the group specifies a "low part".
11350 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11353 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11354 * target.h (struct gcc_target.speculate_insn): Change type of the
11355 second parameter to 'int'.
11356 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11357 the second operand of the DEPS_LIST.
11358 (copy_DEPS_LIST_list): Update reference to the second operand of the
11360 * rtl.h (alloc_DEPS_LIST): Update signature.
11361 * sched-int.h (ds_t): Change typedef to 'int'.
11362 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11364 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11366 * haifa-sched.c (try_ready): Change condition to restore
11367 non-speculative pattern of the instruction.
11368 (process_insn_depend_be_in_spec): Code to keep probability of the
11369 speculative dependence non-decreasing.
11371 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11373 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11374 (single_move_for_movmem): ... this. Also change all uses.
11375 (bfin_expand_strmov): Renamed to...
11376 (bfin_expand_movmem): ... this. Also change all uses.
11377 * config/bfin/bfin.md (movstrsi): Renamed to...
11378 (movstrsi): ...this.
11380 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11382 PR tree-optimization/26830
11384 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11385 (copy_prop_visit_stmt): Remove write-only variable ann.
11386 (init_copy_prop): Check variable loop depth here. Do not simulate
11387 memory-tag and virtual operand PHIs except for store copy prop.
11389 2006-03-30 Richard Guenther <rguenther@suse.de>
11391 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11392 variants with double arguments.
11394 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11396 * genpreds.c (write_tm_constrs_h): Delete variable p.
11397 * genconditions.c (write_header): Add tm-constrs.h to included
11399 * genpeep.c (main): Add toplev.h to included headers.
11400 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11401 (build/genpeep.o): Add toplev.h dependency.
11402 * config/rs6000/constraints.md: Add "W" constraint.
11404 2006-03-29 Roger Sayle <roger@eyesopen.com>
11406 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11407 sizes by correctly testing whether the size fits a host integer.
11408 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11409 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11410 SImode range for the default sizetype and bitsizetype.
11412 2006-03-29 Roger Sayle <roger@eyesopen.com>
11414 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11415 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11416 quickly if the argument is already of the correct type.
11417 Call fold_build1 instead of build1. Tidy up blank lines.
11419 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11421 * genemit.c (main): Add tm-constrs.h to included headers.
11422 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11423 * genpeep.c (main): Add tm-constrs.h to included headers.
11424 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11425 (write_tm_constrs_h): this and write complete file.
11426 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11427 (write_insn_preds_c): Add tm-constrs.h to included headers.
11428 (gen_constrs): New variable.
11429 (parse_option): Parse "-c".
11430 (main): Invoke write_tm_constrs_h.
11431 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11432 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11433 (object_out_file): Add tm-constrs.h dependency.
11434 (insn-emit.o): Same.
11435 (insn-output.o): Same.
11436 (insn-peep.o): Same.
11437 (insn-preds.o): Same.
11438 (insn-recog.o): Same.
11439 (tm-constsr.h): New target.
11440 (s-constrs-h): New target.
11442 * config/rs6000/constraints.md: New file.
11443 * config/rs6000/rs6000.c: Include tm-constrs.h.
11444 (num_insn_constant_wide): Convert to satisfies_constraint.
11445 (rs6000_rtx_costs): Convert to satisfies_constraint.
11446 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11447 (CONST_OK_FOR_LETTER_P): Delete.
11448 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11449 (EXTRA_CONSTRAINT): Delete.
11450 (EXTRA_MEMORY_CONSTRAINT): Delete.
11451 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11452 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11453 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11454 satisfies_constraint.
11456 * config/i386/i386.c: Include tm-constrs.h.
11458 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11460 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11461 * tree-data-ref.c (find_data_references_in_loop,
11462 compute_data_dependences_for_loop): Use pointers to VEC.
11463 (analyze_all_data_dependences): Adjust calls.
11464 * tree-data-ref.h (find_data_references_in_loop,
11465 compute_data_dependences_for_loop): Adjust declarations.
11466 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11467 compute_data_dependences_for_loop.
11469 2006-03-29 Paul Brook <paul@codesourcery.com>
11471 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11472 (movdf_vfp): Ditto.
11474 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11476 PR tree-optimization/26859
11477 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11479 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11480 for the step after fold_convert.
11482 2006-03-29 Paul Brook <paul@codesourcery.com>
11484 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11485 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11487 2006-03-29 Paul Brook <paul@codesourcery.com>
11489 PR middle-end/23623
11490 * targhooks.c (default_narrow_bitfield): New fuction.
11491 * targhooks.h (default_narrow_bitfield): add prototype.
11492 * target.h (gcc_target): Add narrow_volatile_bitfield.
11493 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11494 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11495 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11496 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11498 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11500 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11502 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11503 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11504 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11505 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11506 (s390_function_arg_float): Allow SDmode and DDmode values to be
11507 passed in floating point registers.
11508 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11509 check with SCALAR_FLOAT_MODE_P.
11510 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11512 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11514 PR tree-optimization/25985
11515 * tree-ssa-loop-niter.c (number_of_iterations_le,
11516 number_of_iterations_ne): Make comments more precise.
11517 (number_of_iterations_cond): Add only_exit argument. Use the
11518 fact that signed variables do not overflow only when only_exit
11520 (loop_only_exit_p): New.
11521 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11522 number_of_iterations_cond.
11524 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11526 PR tree-optimization/26643
11527 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11530 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11532 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11533 (divsi3_i4_int): Likewise.
11535 2006-03-28 Roger Sayle <roger@eyesopen.com>
11537 * expr.c (emit_group_store): Only create a new pseudo reg if the
11538 quantity it needs to hold isn't already a suitable pseudo.
11540 2006-03-28 Jeff Law <law@redhat.com>
11542 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11543 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11545 2006-03-28 Roger Sayle <roger@eyesopen.com>
11547 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11548 the equivalent ~X & Y, and the symmetry related transformations.
11549 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11550 ~X & Y, and symmetry related transforms.
11552 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11554 Revert my 2006-03-27 patches.
11556 2006-03-28 Roger Sayle <roger@eyesopen.com>
11558 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11559 ~(T1)X, when T1 and T2 are integer types of the same precision
11560 and (T2)X isn't an extension.
11562 2006-03-28 Jeff Law <law@redhat.com>
11564 PR tree-optimization/26796
11565 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11566 need EH edge cleanups rather than purging them immediately.
11567 (eliminate_degenerate_phis): Handle queued EH cleanups.
11569 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11571 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11574 2006-03-27 Roger Sayle <roger@eyesopen.com>
11576 PR middle-end/22524
11577 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11578 cast BIT_NOT_EXPR operand to the correct type.
11580 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11582 * tree-loop-linear.c: Don't include varray.h.
11583 (gather_interchange_stats, try_interchange_loops,
11584 linear_transform_loops): Use VEC instead of VARRAY.
11585 * lambda-mat.c: Don't include varray.h.
11586 * tree-chrec.c: Same.
11587 * lambda-trans.c: Same.
11588 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11589 VEC instead of VARRAY.
11590 * tree-vectorizer.h: Idem.
11591 * tree-data-ref.c (dump_data_references,
11592 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11593 initialize_data_dependence_relation, finalize_ddr_dependent,
11594 compute_all_dependences, find_data_references_in_loop,
11595 compute_data_dependences_for_loop, analyze_all_data_dependences,
11596 free_dependence_relation, free_dependence_relations,
11597 free_data_refs): Idem.
11598 * tree-data-ref.h (data_reference_p, subscript_p): New.
11599 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11600 VEC instead of VARRAY.
11601 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11602 (find_data_references_in_loop, compute_data_dependences_for_loop,
11603 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11604 dump_data_dependence_relations, free_dependence_relations,
11605 free_data_refs): Adjust declaration.
11606 (lambda_transform_legal_p): Move declaration here...
11607 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11608 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11609 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11610 vect_analyze_data_refs): Use VEC instead of VARRAY.
11611 * lambda.h (lambda_transform_legal_p): ...from here.
11612 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11613 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11614 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11615 tree-chrec.o): Don't depend on VARRAY_H.
11617 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11619 * rtl.def (Copyright): Update date.
11620 (DEPS_LIST): Change type of the second operand to 'int'.
11621 * target.h (Copyright): Update date.
11622 (struct gcc_target.speculate_insn): Change type of the second parameter
11624 * lists.c (Copyright): Update date.
11625 (alloc_DEPS_LIST): Change signature. Update reference to the second
11626 operand of the DEPS_LIST.
11627 (copy_DEPS_LIST_list): Update reference to the second operand of the
11629 * rtl.h (Copyright): Update date.
11630 (alloc_DEPS_LIST): Update signature.
11631 * sched-int.h (Copyright): Update date.
11632 (ds_t): Change typedef to 'int'.
11633 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11635 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11637 * haifa-sched.c (Copyright): Update date.
11638 (try_ready): Change condition to restore non-speculative pattern
11639 of the instruction.
11640 (process_insn_depend_be_in_spec): Code to keep probability of the
11641 speculative dependence non-decreasing.
11643 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11645 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11646 shut up the compiler.
11648 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11650 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11651 to use lib prefix for target.
11652 ($(T)libic_invalidate_array_4-200.a): Likewise.
11653 ($(T)libic_invalidate_array_4a.a): Likewise.
11655 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11656 J"orn Rennecke <joern.rennecke@st.com>
11658 * superh.opt: New file.
11659 * sh.c (boardtype, osruntime): Remove.
11660 * superh.h (SUBTARGET_OPTIONS): Remove.
11661 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11663 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11664 arguments with ^ and/or [].
11666 * config.gcc (sh-*-*): Add quoting to account for quirk of
11668 Replace == with = in enable_incomplete_targets test.
11670 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11671 with MASK_LITTLE_ENDIAN.
11673 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11674 * config/sh/sh.opt: Added to some comments.
11675 * config/sh/superh.h: Removed some chaff.
11677 * config/sh/sh.opt: Add m4-[1234]00* options.
11678 * config/sh/sh.c (sh_handle_option): Likewise.
11679 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11680 (ic_invalidate_array_4-100.o): New rule.
11681 ($(T)libic_invalidate_array_4-100.a): Likewise.
11682 (ic_invalidate_array_4-200.o): Likewise.
11683 ($(T)libic_invalidate_array_4-200.a): Likewise.
11684 (ic_invalidate_array_4a.o): Likewise.
11685 ($(T)libic_invalidate_array_4a.a): Likewise.
11686 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11687 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11689 * config/sh/crt1.asm: Merged in profiling code.
11690 * config/sh/superh.h (STARTFILE_SPEC): Override.
11691 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11692 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11693 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11695 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11696 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11697 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11699 * sh.opt (mpretend-cmove): New option.
11700 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11701 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11702 (movsicc): Add TARGET_PRETEND_CMOVE code.
11704 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11706 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11707 s390_class_max_nregs): New function prototypes.
11708 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11709 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11710 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11711 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11713 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11715 * dwarf2out.c (add_location_or_const_value_attribute): Call
11716 tree_add_const_value_attribute if nothing else works.
11717 (reference_to_unused): New.
11718 (rtl_for_decl_init): Use reference_to_unused to decide whether
11719 to output an initializer.
11721 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11724 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11725 peephole removing spe frob_di_df_2.
11727 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11729 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11730 (subscript_dependence_tester_1): Declared.
11731 (print_dir_vectors, print_dist_vectors): New.
11732 (debug_data_dependence_relation): New.
11733 (dump_data_dependence_relation): Print more details.
11734 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11735 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11736 (save_dist_v, save_dir_v, add_outer_distances,
11737 build_classic_dist_vector_1): New.
11738 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11739 Don't test for lambda_vector_lexico_pos.
11740 (same_access_functions, add_multivariate_self_dist,
11741 add_other_self_distances, dir_from_dist): New.
11742 (build_classic_dir_vector): Replace implementation almost identical to
11743 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11745 (subscript_dependence_tester_1): New.
11746 (subscript_dependence_tester): Handle the lexicographically negative
11747 distance vectors by recomputing the dependence relation.
11748 (compute_affine_dependence): Remove parameter loop_nest_depth.
11749 (compute_self_dependence): Don't call compute_subscript_distance.
11750 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11751 Add a parameter for the loop_nest.
11752 (find_loop_nest_1, find_loop_nest): New.
11753 (compute_data_dependences_for_loop): Compute the loop nest, and give
11754 up if the nest is not well formed.
11755 * tree-data-ref.h (loop_p): New.
11756 (struct data_dependence_relation): Replace size_vect field with
11757 loop_nest, a vec of loops.
11758 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11759 (DDR_LOOP_NEST): New.
11760 (print_dir_vectors, print_dist_vectors,
11761 debug_data_dependence_relation): Declared.
11762 (index_in_loop_nest): New.
11763 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11764 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11767 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11769 * simplify-rtx.c (simplify_relational_operation): Call
11770 simplify_relational_operation_1 even if mode is VOIDmode.
11772 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11774 PR tree-optimization/26804
11775 * tree.h (DECL_CALL_CLOBBERED): New macro.
11776 (tree_decl_common): Add call_clobbered_flag.
11777 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11778 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11779 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11780 (mark_non_addressable): Ditto.
11781 * tree-ssa.c (verify_call_clobbered): New function.
11782 (verify_alias_info): Use it.
11783 * tree-pass.h (pass_reset_cc_flags): New prototype.
11784 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11785 (reset_cc_flags): New function.
11786 * passes.c (init_optimization_passes): Call reset_cc_flags after
11787 initializing referenced_vars.
11789 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11790 Roger Sayle <roger@eyesopen.com>
11792 PR middle-end/26717
11793 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11794 to 1.0 for non-real operands. Implement A / A optimization for
11797 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11799 * config/i386/i386.c (size_cost): Correct the comment for
11800 cost of storing fp registers.
11801 (i386_cost): Likewise.
11802 (i486_cost): Likewise.
11803 (pentium_cost): Likewise.
11804 (pentiumpro_cost): Likewise.
11805 (k6_cost): Likewise.
11806 (athlon_cost): Likewise.
11807 (k8_cost): Likewise.
11808 (pentium4_cost): Likewise.
11809 (nocona_cost): Likewise.
11810 (generic64_cost): Likewise.
11811 (generic32_cost): Likewise.
11813 2006-03-24 Denis Chertykov <denisc@overta.ru>
11815 * config/avr/avr-protos.h (extra_constraint): Delete.
11816 (extra_constraint_Q): New declaration.
11817 * config/avr/constraints.md: New file.
11818 * config/avr/avr.md: Include it.
11819 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11820 (TMP_REGNO, ZERO_REGNO): Likewise.
11821 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11822 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11823 (extra_constraint): Delete.
11824 (extra_constraint_Q): Test for memory constraint 'Q'.
11825 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11826 (REG_CLASS_FROM_LETTER): Delete.
11827 (CONST_OK_FOR_LETTER_P): Delete.
11828 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11829 (EXTRA_CONSTRAINT): Delete.
11830 (TMP_REGNO): Delete.
11831 (ZERO_REGNO): Delete.
11833 2006-03-24 Jeff Law <law@redhat.com>
11835 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11836 directly. Call mark_new_vars_to_rename slightly earlier.
11838 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11840 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11841 (is_cxx): Likewise.
11842 (gen_compile_unit_die): Use new language types for Objective-C and
11844 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11845 DW_LANG_C_plus_plus.
11848 * config/t-darwin (crt3.o): Work around bug 26840.
11849 * config/darwin-crt3.c: Rewrite.
11850 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11852 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11854 * doc/invoke.texi: Document -femit-class-debug-always
11855 * common.opt: Add -femit-class-debug-always.
11857 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11859 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11860 index and base register.
11861 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11862 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11863 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11864 REGNO_OK_FOR_INDEX_P.
11865 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11867 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11868 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11869 REG_OK_FOR_BASE_P): Definitions removed.
11871 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11873 PR middle-end/26611
11874 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11875 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11876 set yet or weren't marked as local yet.
11878 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11880 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11883 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11885 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11886 (rs6000_legitimate_small_data_p): Delete.
11887 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11888 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11889 and make static. Add forward declaration. Update uses.
11890 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11891 of offsettable_memref_p.
11892 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11893 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11895 2006-03-24 Jeff Law <law@redhat.com>
11897 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11898 around bug in immediate-use iterator.
11900 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11903 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11904 or __LITTLE_ENDIAN__.
11906 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11908 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11909 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11910 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11911 * config/sh/sh.opt (mdiv=): Amend description.
11912 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11913 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11914 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11915 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11916 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11917 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11918 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11919 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11920 TARGET_DIVIDE_CALL_FP.
11922 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11924 * haifa-sched.c (choose_ready): Fix type of the local variable.
11925 Move local variables. Add comment.
11926 (check_reg_live): Change signature. Make callable from debugger.
11927 * sched-int.h (check_reg_live): Update signature.
11928 * sched-ebb.c (check_reg_live): Update parameters.
11929 * sched-rgn.c (check_reg_live): Ditto.
11930 (region_head_or_leaf_p): Check pointer before dereferencing.
11931 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11932 before reload on optimization levels below 1.
11934 2006-03-23 Richard Henderson <rth@redhat.com>
11936 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11940 * config/alpha/predicates.md (local_symbolic_operand): Reject
11943 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11946 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11947 expressions which have overflowed constants.
11949 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11951 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11953 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11955 * cfgloopmanip.c (create_loop_notes): Removed.
11956 * final.c (final_scan_insn): Do not handle loop notes.
11957 * jump.c (squeeze_notes): Ditto.
11958 * cfglayout.c (skip_insns_after_block,
11959 duplicate_insn_chain): Ditto.
11960 * cfgcleanup.c (rest_of_handle_jump2): Do not call
11962 * cfgloop.h (create_loop_notes): Declaration removed.
11964 2006-03-23 Richard Sandiford <richard@codesourcery.com>
11966 * varasm.c (output_constant_pool): Restore fnname and fndecl
11968 (assemble_start_function): Adjust call accordingly.
11969 (assemble_end_function): Likewise.
11971 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11974 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
11977 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
11979 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
11982 * system.h (ICE_EXIT_CODE): New macro.
11983 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
11984 (diagnostic_action_after_output): Likewise.
11985 * gcc.c (fatal_ice): New function.
11986 (execute): Use it instead of fatal.
11987 (fancy_abort): Likewise.
11988 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
11990 2006-03-22 Jeff Law <law@redhat.com>
11992 * loop-unroll.c (analyze_iv_to_split_insn): Handle
11993 iv_analyze_result returning false.
11995 2006-03-22 Jie Zhang <jie.zhang@analog.com>
11997 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
11999 2006-03-22 Richard Henderson <rth@redhat.com>
12001 PR middle-end/26084
12002 * except.c (duplicate_eh_regions_0): New.
12003 (duplicate_eh_region_1): Duplicate the children of the node as
12004 well as the node itself. Link them up properly.
12005 (duplicate_eh_region_2): Merge into ...
12006 (duplicate_eh_regions): ... here. Take copy_region argument, and
12007 copy only a sub-tree if asked. Simplify copying and fixup.
12008 (eh_region_outer_p): New.
12009 * except.h (duplicate_eh_regions): Update decl.
12010 (eh_region_outer_p): Declare.
12011 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12012 (lower_omp_master): Likewise.
12013 (lower_omp_ordered): Likewise.
12014 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12015 (move_stmt_r): Use it to remap labels. Handle recursion vs
12016 remap_decls_p properly.
12017 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12018 (find_outermost_region_in_block): New.
12019 (new_label_mapper): New.
12020 (move_sese_region_to_fn): Copy eh information to the new function
12022 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12024 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12027 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12029 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12030 into shared libraries.
12032 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12034 * doc/md.texi: Refer to i386/constraints.md instead of
12035 i386/predicates.md.
12036 * config/i386/constraints.md: New file, extracted from...
12037 * config/i386/predicates.md: ...here.
12038 * config/i386/i386.md: Include constraints.md.
12040 2006-03-21 Jason Merrill <jason@redhat.com>
12042 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12044 PR middle-end/20297
12045 * expr.c (init_block_move_fn): Force default visibility.
12046 (init_block_clear_fn): Likewise.
12047 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12048 * targhooks.c (default_external_stack_protect_fail): Likewise.
12050 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12052 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12053 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12054 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12055 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12056 (loadgp): Use mips_current_loadgp_style.
12057 (loadgp_noshared): New pattern.
12058 (sibcall_internal): Use MIPS_CALL.
12059 (sibcall_value_internal): Likewise.
12060 (sibcall_value_multiple_internal): Likewise.
12061 (call_internal): Likewise.
12062 (call_value_internal): Likewise.
12063 (call_value_multiple_internal): Likewise.
12064 (call_split): Use MIPS_CALL and add an 'S' constraint.
12065 (call_value_split): Likewise.
12066 (call_value_multiple_split): Likewise.
12067 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12068 (-mshared): New option.
12069 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12070 (mips_current_loadgp_style): Declare.
12071 * config/mips/mips.c (mips_classify_symbol): Avoid using
12072 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12073 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12074 TARGET_ABSOLUTE_ABICALLS.
12075 (override_options): Adjust comments. Improve the warning that is
12076 issued when -mabicalls and -G are used together.
12077 (mips_file_start): Remove comment.
12078 (mips_current_loadgp_style): New function.
12079 (mips_gnu_local_gp): New variable.
12080 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12082 (mips_output_function_prologue): Use mips_current_laodgp_style.
12083 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12084 the cprestore instruction.
12085 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12086 live for TARGET_ABSOLUTE_ABICALLS.
12087 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12088 (ASM_SPEC): Pass down -mshared and -mno-shared.
12089 (MIPS_CALL): New macro.
12090 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12092 * doc/invoke.texi (-mabicalls): Update documentation.
12093 (-mshared): Document.
12095 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12097 * config/ia64/unwind-hpux.c: New file.
12098 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12100 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12103 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12105 2006-03-21 Jeff Law <law@redhat.com>
12107 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12108 type conversions of a VR_VARYING source to a wider type.
12110 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12112 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12113 tm_file on Solaris 10 and later.
12114 (sparc64-*-solaris2*): Likewise.
12115 (sparc-*-solaris2*): Likewise.
12116 * config/sol26.h: Rename to config/sol2-6.h.
12117 * config/sol2-10.h: New file.
12119 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12122 * tree-ssa-pre.c (create_component_ref_by_pieces):
12125 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12128 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12129 return it immediately.
12131 2006-03-21 Michael Matz <matz@suse.de>
12133 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12135 (remove_arc, add_arc): Update num_out_arcs member.
12136 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12138 (cache_presence): New function.
12139 (compare_states_for_equiv): New function.
12140 (state_is_differed): Don't take number of outargs, adjust callers.
12141 Use new invariant for speeding up.
12142 (init_equiv_class): Create initial classes based on sorted
12144 (partition_equiv_class): Don't track out_arcs_num.
12145 (evaluate_equiv_classes): Call cache_presence on all states and
12148 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12150 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12151 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12152 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12153 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12155 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12156 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12157 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12158 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12159 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12161 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12162 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12163 (REGNO_REG_CLASS): ARGP is in PREGS.
12164 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12166 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12167 to deal with those addresses.
12168 * addresses.h: New file.
12169 * caller-save.c: Include "addresses.h".
12170 (init_caller_save): Use new base_reg_class function.
12171 * rtl-factoring.c: Include "addresses.h".
12172 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12173 * recog.c: Include "addresses.h".
12174 (preprocess_constraints): Use new base_reg_class function.
12175 * regrename.c: Include "addresses.h".
12176 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12177 functions. Keep track of a new var INDEX_CODE to compute valid
12179 (replace_oldest_value_addr): Likewise.
12180 (replace_oldest_value_mem): Use base_reg_class.
12181 * reload.c: Include "addresses.h".
12182 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12183 (find_reloads): Use new base_reg_class function.
12184 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12185 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12186 all callers and prototype changed.
12187 * reload1.c: Include "addresses.h".
12188 (maybe_fix_stack_asms): Use base_reg_class.
12189 * regclass.c: Include "addresses.h".
12190 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12191 (init_reg_autoinc): Use new base_reg_class function.
12192 (record_reg_classes): Likewise.
12193 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12194 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12195 Use new args to compute necessary class.
12197 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12198 regrename.o, rtl-factoring.o): Update dependencies.
12199 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12200 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12201 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12202 REG_OK_FOR_INDEX_P): Delete documentation.
12204 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12206 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12207 from V7 to V9 for Solaris 7 and above.
12209 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12211 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12212 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12213 argument pointers may not alias any other storage.
12214 * common.opt: Define option -fargument-noalias-anything.
12215 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12216 alias semantics is specified by flag_argument_noalias > 2.
12218 2006-03-20 Jeff Law <law@redhat.com>
12220 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12221 (pass_phi_only_cprop): Declare.
12222 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12223 with phi_only_cprop
12224 * tree-ssa-dom.c (degenerate_phi_result): New function.
12225 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12226 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12227 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12228 (eliminate_degenerate_phis): Likewise.
12229 (pass_phi_only_cprop): New pass descriptor.
12230 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12231 support code. Callers updated.
12232 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12233 (store_copy_prop): Likewise.
12234 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12236 2006-03-20 Jason Merrill <jason@redhat.com>
12239 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12240 (push_visibility, pop_visibility): Likewise.
12241 * c-pragma.h: Declare them.
12243 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12245 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12247 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12248 parameter and use get_ebb_head_tail.
12249 (sh_md_init_global): Adjust uses of find_regmode_weight.
12251 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12253 * function.h (struct function) <x_tail_recursion_reentry>:
12254 Rename to x_stack_check_probe_note.
12255 (tail_recursion_reentry): Rename to stack_check_probe_note.
12256 * function.c: Replace tail_recursion_reentry with
12257 stack_check_probe_note everywhere.
12258 (expand_function_start): Only emit a note for
12259 stack_check_probe_note with -fstack-protect.
12260 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12262 * emit-rtl.c (remove_unnecessary_notes): Remove.
12263 (pass_remove_unnecessary_notes): Remove.
12264 * rtl.h (remove_unnecessary_notes): Remove prototype.
12265 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12266 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12267 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12269 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12272 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12273 (valid_in_set): Handle ARRAY_REF.
12274 Change "if min_variant or VH" to asserts.
12275 (create_component_ref_by_pieces): Handle ARRAY_REF.
12276 (create_expression_by_pieces): Likewise.
12277 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12279 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12281 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12282 is operand of switch, not str[0].
12284 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12286 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12287 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12289 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12291 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12292 end of insn_extra_address_constraint declaration.
12294 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12296 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12297 (no-sum-in-toc): Same.
12298 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12300 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12301 NO_FP_IN_TOC for -fPIC instead of mask.
12303 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12304 (BOOT_LDFLAGS): Delete.
12306 * config/rs6000/t-aix52: Same.
12308 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12309 (stmsi[345678]_power): New.
12311 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12313 * config/ia64/ia64.opt: Add empty line to end of file.
12315 2006-03-17 Richard Guenther <rguenther@suse.de>
12317 PR middle-end/26721
12318 * builtins.c (get_pointer_alignment): For component style references
12319 adjust alignment to the component type alignment. Make sure
12320 to adjust alignment for component access of constants.
12322 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12324 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12325 unconditional jump.
12327 2006-03-17 Paul Brook <paul@codesourcery.com>
12329 * doc/install.texi: Docuemnt --with-mode.
12330 * config.gcc: Add --with-mode for arm*-*-*.
12331 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12333 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12335 * sh.c (max_labelno_before_reorg): New variable.
12336 (sh_reorg): Initialize it.
12337 (find_barrier): Check max_labelno_before_reorg before using
12338 label_to_alignment. Take length of explicit alignment insns
12339 into account. When seeing a UNSPECV_CONST_END, return it.
12341 * sh.c (fixup_mova): Set mode of affected label to QImode.
12342 (untangle_mova): New function.
12343 (find_barrier): Use it. Check mode of label before decrementing
12345 (sh_reorg): Likewise.
12346 Set mode of all insns back to VOIDmode.
12348 * sh.c (MOVA_LABELREF): New macro.
12349 (mova_p, fixup_mova, sh_reorg): Use it.
12350 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12351 ADDR_DIFF_VEC matches mova.
12353 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12355 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12356 with ATTRIBUTE_UNUSED.
12358 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12360 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12361 pointer, instead of assuming it is possible to derive the
12362 correct args size from a call insn.
12364 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12366 * rtl.h (CONST_INT_P): Define.
12367 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12368 instead of GET_CODE(x) == CONST_INT.
12369 (vax_rtx_costs): Likewise.
12370 (vax_output_int_move): Likewise.
12371 (vax_output_int_add): Likewise.
12372 (legitimate_constant_address_p): Likewise.
12373 (index_term_p): Likewise.
12374 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12375 * config/vax/vax.md (and<mode>3): Likewise.
12376 (ashrsi3): Likewise.
12378 (movstricthi): Likewise.
12379 (movstrictqi): Likewise.
12380 (rotrsi3): Likewise.
12381 (five unnamed insns): Likewise.
12383 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12385 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12386 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12387 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12388 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12389 Pass to ASM_OUTPUT_DWARF_OFFSET.
12390 * dwarf2out.c (debug_frame_section): New.
12391 (output_call_frame_info): Use debug_frame_section. Pass it to
12392 dw2_asm_output_offset.
12393 (output_die): Pass appropriate section to dw2_asm_output_offset.
12394 (output_compilation_unit_header): Likewise.
12395 (output_pubnames): Likewise.
12396 (output_aranges): Likewise.
12397 (enum dw_val_class): Break dw_val_class_lbl_offset into
12398 dw_val_class_lineptr and dw_val_class_macptr.
12399 (add_AT_lbl_offset): Delete.
12400 (add_AT_lineptr): New.
12401 (add_AT_macptr): New.
12402 (AT_lbl): Expect a lineptr or macptr.
12403 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12404 (attr_checksum): Likewise.
12405 (same_dw_val_p): Likewise.
12406 (size_of_die): Likewise.
12407 (value_format): Likewise.
12408 (output_die): Likewise.
12409 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12411 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12412 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12413 * config/darwin-protos.h (darwin_file_start): New.
12414 (darwin_asm_output_dwarf_offset): New.
12415 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12416 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12418 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12419 if not EH section; simplify.
12420 (darwin_file_start): New.
12421 (darwin_asm_output_dwarf_offset): New.
12422 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12424 (DEBUG_INFO_SECTION): Likewise.
12425 (DEBUG_ABBREV_SECTION): Likewise.
12426 (DEBUG_ARANGES_SECTION): Likewise.
12427 (DEBUG_MACINFO_SECTION): Likewise.
12428 (DEBUG_LINE_SECTION): Likewise.
12429 (DEBUG_LOC_SECTION): Likewise.
12430 (DEBUG_PUBNAMES_SECTION): Likewise.
12431 (DEBUG_STR_SECTION): Likewise.
12432 (DEBUG_RANGES_SECTION): Likewise.
12433 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12434 (ASM_OUTPUT_DWARF_OFFSET): New.
12436 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12438 * config.gcc (tm_defines): Always add to previous value rather
12441 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12443 * config/mips/predicates.md (splittable_const_int_operand): New,
12444 split from move_operand.
12445 (splittable_symbolic_operand): New.
12446 (move_operand): Add commentary. Use splittable_const_int_operand.
12447 Inline mips_atomic_symbolic_constant_p.
12448 * config/mips/mips.md: Add combine splitters for handling moves
12449 of splittable_const_int_operands and splittable_symbolic_operands.
12450 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12451 (mips_split_symbol): Declare.
12452 (mips_move_integer): Declare.
12453 * config/mips/mips.c (mips_split_p): Make global.
12454 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12455 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12456 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12457 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12458 (mips_offset_within_object_p): Handle block symbols.
12459 (mips_atomic_symbolic_constant_p): Delete.
12460 (mips_cannot_force_const_mem): Return false for constants that
12461 mips_legitimize_move can handle.
12462 (mips_use_blocks_for_constant_p): New function.
12463 (mips_split_symbol): Make global.
12464 (mips_move_integer): Likewise. Add a temporary register argument.
12465 (mips_legitimize_const_move): Use splittable_const_int_operand and
12466 splittable_symbolic_operand.
12467 (mips_use_anchors_for_symbol_p): New function.
12468 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12469 (mips_split_p): Declare.
12471 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12473 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12474 (mips*-*-linux*): Likewise.
12476 2006-03-16 Roger Sayle <roger@eyesopen.com>
12477 Daniel Speyer <dspeyer@wam.umd.edu>
12479 PR middle-end/18259
12480 * tree-dump.c (dump_real): New function.
12481 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12482 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12483 (tree-dump.o): Add $(REAL_H) to the dependencies.
12485 2006-03-16 Roger Sayle <roger@eyesopen.com>
12487 PR middle-end/21781
12488 * real.c (real_from_string): If the mantissa is zero, don't bother
12489 parsing the exponent as the result should always be zero.
12491 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12493 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12495 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12497 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12498 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12499 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12500 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12501 ia64_sched_finish_global): New static functions to implement
12502 hooks from gcc_target.sched.
12503 (spec_check_no, max_uid, pending_data_specs): New static variables.
12504 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12505 ia64_spec_check_src_p): New static functions.
12506 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12507 (TARGET_SCHED_ADJUST_COST): Removed.
12508 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12509 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12510 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12511 TARGET_SCHED_GEN_CHECK,
12512 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12513 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12514 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12515 Fixed to handle speculation checks.
12516 (rtx_needs_barrier): Fixed to handle speculative loads and
12518 (ia64_variable_issue): Added code to count speculative loads and their
12520 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12522 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12524 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12526 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12527 (ia64_reorg): Reset stops_p to NULL after it is freed.
12528 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12529 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12530 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12532 (data_speculative, control_speculative, check_load): New attributes.
12533 (mov<mode>_advanced, mov<mode>_speculative,
12534 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12535 zero_extend<mode>di2_speculative,
12536 zero_extend<mode>di2_speculative_advanced): New patterns for
12537 data and control speculative loads.
12538 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12540 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12541 New pattern for data and control speculation checks.
12542 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12543 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12544 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12545 Auxiliary definitions for the patterns.
12546 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12547 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12549 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12551 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12552 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12553 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12554 New resource constraints.
12555 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12557 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12558 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12559 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12560 msched-in-control-spec, msched-ldc, msched-control-ldc,
12561 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12562 msched-prefer-non-control-spec-insns,
12563 msched-count-spec-in-critical-path): New flags to tune speculative
12565 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12566 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12567 msched-in-control-spec, msched-ldc, msched-control-ldc,
12568 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12569 msched-prefer-non-control-spec-insns,
12570 msched-count-spec-in-critical-path): Document new flags.
12572 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12574 * target.h (struct spec_info_def): New opaque declaration.
12575 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12576 speculate_insn, needs_block_p, gen_check,
12577 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12578 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12579 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12580 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12581 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12582 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12584 (TARGET_SCHED): Use new macros.
12585 * rtl.h (copy_DEPS_LIST_list): New prototype.
12586 * sched-int.h (struct sched_info): Change signature of new_ready field,
12587 adjust all initializations. New fields: add_remove_insn,
12588 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12589 region_head_or_leaf_p.
12590 (struct spec_info_def): New structure declaration.
12591 (spec_info_t): New typedef.
12592 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12593 recovery_block, orig_pat.
12594 (glat_start, glat_end): New variables declaraions.
12595 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12597 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12598 DETACH_LIFE_INFO, USE_GLAT.
12599 (enum SPEC_SCHED_FLAGS): New enumeration.
12600 (NOTE_NOTE_BB_P): New macro.
12601 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12602 attach_life_info, debug_spec_status, check_reg_live): New functions.
12603 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12604 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12606 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12607 * ddg.c (get_block_head_tail): Adjust all uses.
12608 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12609 (sms_sched_info): Initialize new fields.
12610 (contributes_to_priority): Removed.
12611 * haifa-sched.c (params.h): New include.
12612 (get_block_head_tail): Adjust all uses.
12613 (ISSUE_POINTS): New macro.
12614 (glat_start, glat_end): New global variables.
12615 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12616 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12617 old_last_basic_block, before_recovery, current_sched_info_var,
12618 rgn_n_insns, luid): New static variables.
12619 (insn_cost1): New function. Move logic from insn_cost to here.
12620 (find_insn_reg_weight1): New function. Move logic from
12621 find_insn_reg_weight to here.
12622 (reemit_notes, move_insn, max_issue): Change signature.
12623 (move_insn1): Removed.
12624 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12625 extend_bb): New static functions to support extension of scheduler's
12627 (generate_recovery_code, process_insn_depend_be_in_spec,
12628 begin_speculative_block, add_to_speculative_block,
12629 init_before_recovery, create_recovery_block, create_check_block_twin,
12630 fix_recovery_deps): New static functions to support
12631 generation of recovery code.
12632 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12633 restore_bb_notes, move_block_after_check, move_succs): New static
12634 functions to support ebb scheduling.
12635 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12636 functions to support handling of register live information.
12637 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12638 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12639 add_jump_dependencies): New static functions.
12640 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12641 consistancy checking.
12642 (debug_spec_status): New function to call from debugger.
12643 (priority): Added code to handle speculation checks.
12644 (rank_for_schedule): Added code to distinguish speculative instructions.
12645 (schedule_insn): Added code to handle speculation checks.
12646 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12647 Fixed to handle ebbs.
12648 (move_insn): Added code to handle ebb scheduling.
12649 (max_issue): Added code to use ISSUE_POINTS of instructions.
12650 (choose_ready): Added code to choose between speculative and
12651 non-speculative instructions.
12652 (schedule_block): Added code to handle ebb scheduling and scheduling of
12653 speculative instructions.
12654 (sched_init): Initialize new variables.
12655 (sched_finish): Free new variables. Print statistics.
12656 (try_ready): Added code to handle speculative instructions.
12657 * lists.c (copy_DEPS_LIST_list): New function.
12658 * sched-deps.c (extend_dependency_caches): New function. Move logic
12659 from create_dependency_caches to here.
12660 (get_dep_weak, ds_merge): Make global.
12661 * genattr.c (main): Code to output prototype for
12662 dfa_clear_single_insn_cache.
12663 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12664 (output_dfa_clean_insn_cache_func): Code to output
12665 dfa_clear_single_insn_cache function.
12666 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12668 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12670 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12671 New static variables.
12672 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12673 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12675 (ebb_sched_info): Initialize new fields.
12676 (get_block_head_tail): Adjust all uses.
12677 (compute_jump_reg_dependencies): Fixed to use glat_start.
12678 (schedule_ebb): Code to remove unreachable last block.
12679 (schedule_ebbs): Added code to update register live information.
12680 * sched-rgn.c (region_sched_info): Initialize new fields.
12681 (get_block_head_tail): Adjust all uses.
12682 (last_was_jump): Removed. Adjust users.
12683 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12684 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12685 Implement new hooks.
12686 (check_dead_notes1): New static function.
12687 (struct region): New fields: dont_calc_deps, has_real_ebb.
12688 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12689 (BB_TO_BLOCK): Fixed to handle EBBs.
12690 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12691 (ebb_head): New static variable.
12692 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12693 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12695 (compute_dom_prob_ps): New assertion.
12696 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12697 global_live_at_start.
12698 (init_ready_list): New assertions.
12699 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12700 (new_ready): Add support for BEGIN_CONTROL speculation.
12701 (schedule_insns): Fixed code that updates register live information
12703 (schedule_region): Fixed to handle EBBs.
12704 (init_regions): Use extend_regions and check_dead_notes1.
12705 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12706 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12707 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12708 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12709 TARGET_SCHED_GEN_CHECK,
12710 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12711 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12712 * doc/invoke.texi (max-sched-insn-conflict-delay,
12713 sched-spec-prob-cutoff): Document.
12715 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12717 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12718 inter_tick, queue_index.
12719 (struct sched_info): Change signature of init_ready_list field.
12720 Adjust all initializations.
12721 (RESOLVED_DEPS): New access macro.
12722 (ready_add): Remove prototype.
12723 (try_ready): Add prototype.
12724 * sched-rgn.c (init_ready_list): Use try_ready.
12725 (schedule_region): Initialize
12726 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12727 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12728 (init_ready_list): Use try_ready.
12729 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12730 * lists.c (remove_list_elem): Remove `static'.
12731 (remove_free_INSN_LIST_elem): New function.
12732 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12733 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12734 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12736 (readyp): New variable.
12737 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12738 change_queue_index, resolve_dep): New static functions.
12739 (try_ready): New function. Adjust callers in sched-rgn.c and
12740 sched-ebb.c to use it instead of ready_add.
12741 (clock_var): Move at the begining of file.
12742 (rank_for_schedule): Fix typo.
12743 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12744 (ready_lastpos): Enforce assertion.
12745 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12746 update all callers.
12747 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12748 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12749 (queue_to_ready): Use free_INSN_LIST_list.
12750 (early_queue_to_ready): Fix typo.
12751 (schedule_block): Init readyp. Move init_ready_list call after the
12752 initialization of clock_var. Fix error in rejecting insn by
12753 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12754 that previously corrected INSN_TICKs. Add code for handling
12756 (set_priorities): Fix typo.
12757 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12758 Clarify comment and code that keeps current_sched_info->next_tail
12761 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12763 * sched-rgn.c (extend_rgns): New static function.
12764 (find_rgns): Use it.
12765 (gather_region_statistics, print_region_statistics): New static
12767 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12768 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12770 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12771 Andrey Belevantsev <abel@ispras.ru>
12773 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12774 * lists.c (unused_deps_list): New variable.
12775 (free_list): Add assertions to verify the proper distinguishing
12776 between INSN_LISTs and DEPS_LISTs.
12777 (find_list_elem, remove_list_elem, remove_list_node): New static
12779 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12780 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12781 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12782 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12784 (free_INSN_LIST_node): Likewise.
12785 * modulo-sched.c (current_sched_info): Initialize flags field.
12786 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12787 * rtl.def (DEPS_LIST): Define.
12788 * rtl.h: Declare new functions from lists.c.
12789 * sched-deps.c (spec_dependency_cache): New static variable.
12790 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12791 (add_dependence): Change return type to void. Move the logic to ...
12792 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12793 (delete_all_dependences): Add comment about forward_dependency_cache.
12794 Handle spec_dependency_cache. Handle DEPS_LISTs.
12795 (fixup_sched_groups): Clarify the change of priority of output
12796 and anti dependencies.
12797 (sched_analyze_2): Adjust add_dependence calls to create data
12798 speculative dependence.
12799 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12800 Adjust all callers. Handle DEPS_LISTS.
12801 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12802 presence of speculation.
12803 (init_dependency_caches, free_dependency_caches):
12804 Handle spec_dependency_cache.
12805 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12806 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12807 New static functions.
12808 (add_or_update_back_dep, add_or_update_back_forw_dep,
12809 add_back_forw_dep, delete_back_forw_dep): New functions.
12810 * sched-int.h (ds_t, dw_t): New typedefs.
12811 (struct sched_info): Add new field flags.
12812 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12813 Prototype new sched-deps.c functions.
12814 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12815 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12816 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12817 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12818 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12819 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12821 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12823 * sched-rgn.c (current_sched_info): Initialize flags field.
12824 (schedule_insns): Initialize current_sched_info before the sched_init
12826 * sched-ebb.c (current_sched_info): Initialize flags field.
12827 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12828 Call add_or_update_back_dep instead of add_dependence.
12829 Create control speculative dependencies.
12830 (schedule_insns): Initialize current_sched_info before the sched_init
12833 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12835 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12837 (sh_fallback_frame_state): Likewise.
12839 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12841 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12842 Do switch on default_use_cxa_atexit.
12843 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12844 * config/darwin-crt3.o: New.
12845 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12846 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12847 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12849 * config/rs6000/t-darwin: Move crt2.o building to here.
12850 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12851 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12854 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12856 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12857 from '! xxx' to '!xxx' for coding-style conformance.
12858 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12859 (EXTRA_CONSTRAINT): Likewise.
12860 * config/vax/vax.md (four unnamed insns): Likewise.
12862 2006-03-15 Paul Brook <paul@codesourcery.com>
12864 * config/arm/arm.c (minipool_pad): New.
12865 (add_minipool_forward_ref): Include pool alignment padding in address
12867 (push_minipool_fix): Set minipool_pad.
12868 (minipool_pad): Ditto.
12870 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12872 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12873 instead of GET_CODE() == MEM and REG_P() instead of
12875 (print_operand_address): Likewise.
12876 (vax_address_cost): Likewise.
12877 (vax_rtx_costs): Likewise.
12878 (vax_notice_update_cc): Likewise.
12879 (vax_output_int_add): Likewise.
12880 (INDEX_REGISTER_P): Likewise.
12881 (BASE_REGISTER_P): Likewise.
12882 (nonindexed_address_p): Likewise.
12883 (vax_mode_dependent_address_p): Likewise.
12884 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12885 (PRINT_OPERAND): Likewise.
12886 * config/vax/vax.md (ashlsi3): Likewise.
12887 (ashlsi3): Likewise.
12888 (some more unnamed insns): Likewise.
12890 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12892 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12893 iterator-style macro.
12894 (mark_control_dependent_edges_necessary): Update the use of
12895 EXECUTE_IF_CONTROL_DEPENDENT.
12897 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12899 * config/sh/predicates.md (cache_address_operand): Special.
12900 (ua_address_operand): Likewise.
12902 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12904 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12906 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12908 2006-03-15 Andreas Schwab <schwab@suse.de>
12910 * gensupport.c (identify_predicable_attribute): Don't free p_false
12911 when it is still in use.
12913 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12915 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12916 the default setting here.
12918 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12920 * tree-pass.h (pass_cfg): Remove.
12921 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12922 * passes.c (pass_cfg): Don't run it.
12924 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12926 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12927 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12929 (stack_regs_mentioned): Update the uses of
12930 stack_regs_mentioned_data. Don't access the array beyond its
12932 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12933 Don't include gt-reg-stack.h.
12935 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12936 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12938 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12940 PR middle-end/26684
12941 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12944 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12946 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12948 2006-03-14 Richard Guenther <rguenther@suse.de>
12950 PR tree-optimization/26672
12951 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12954 2006-03-14 Richard Guenther <rguenther@suse.de>
12956 PR tree-optimization/26667
12957 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
12958 node for the callees. Always allow inlining if it will shrink
12961 2006-03-14 Richard Guenther <rguenther@suse.de>
12963 PR middle-end/26659
12964 * builtins.c (get_pointer_alignment): Prefer alignment
12965 information from decls over that from types.
12967 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
12970 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
12972 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
12974 * config/rs6000/rs6000.opt (mdlmzb): New option.
12975 (msched-prolog, msched-epilog): Use Var not Mask.
12976 * doc/invoke.texi (-mdlmzb): Document.
12977 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12979 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
12980 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
12982 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
12984 PR rtl-optimization/25739
12985 * bt-load.c (augment_live_range): Free tos pointer.
12987 * gensupport.c (identify_predicable_attribute): Free
12989 * gcov.c (create_file_names): Free name pointer.
12991 2006-03-13 Roger Sayle <roger@eyesopen.com>
12993 PR middle-end/26557
12994 * stmt.c (emit_case_nodes): Handle the case where the index is a
12995 CONST_INT, where the comparison mode is specified by the index type.
12997 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12999 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13002 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13004 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13005 (*branch_fp_inverted): Likewise.
13007 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13009 PR middle-end/25989
13010 * omp-low.c (expand_omp_for_generic): Mark istart0
13011 and iend0 as addressable.
13013 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13015 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13017 2006-03-13 Jeff Law <law@redhat.com>
13019 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13020 virtual operands are interesting.
13021 (vrp_visit_stmt): Corresponding changes.
13023 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13025 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13027 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13028 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13029 * config/bfin/crti.S: Use it instead of __PIC__.
13030 * config/bfin/crtn.S: Likewise.
13032 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13033 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13035 Lose 'G' modifier for call operand.
13036 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13037 recognize 'G' modifier.
13039 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13041 PR middle-end/18859
13042 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13043 * stmt.c (expand_case): Likewise.
13045 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13047 PR rtl-optimization/26254
13048 * loop-invariant.c (seq_insns_valid_p): New function.
13049 (move_invariant_reg): Only emit new code if it is valid.
13051 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13053 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13055 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13056 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13057 (commit_one_edge_insertion): Do not look for loop notes.
13059 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13061 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13062 flag_test_coverage out of loop.
13064 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13066 * final.c (shorten_branches): Remove outdated comment, and turn
13067 the if branch that guards it to continue.
13069 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13071 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13072 * cfgloop.h (struct loop): Remove unused fields.
13074 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13076 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13077 (-dL, -fdump-rtl-loop2): Update the dump file names
13079 * doc/invoke.texi: Update dump file names.
13081 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13083 * predict.c (estimate_probability): Remove.
13084 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13085 * basic-block.h (estimate_probability): Remove prototype.
13086 * passes.c (finish_optimization_passes): Dump branch prediction or
13087 profiling heuristics to the .profile tree dump.
13088 (init_optimization_passes): Unqueue pass_branch_prob.
13090 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13092 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13094 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13095 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13097 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13099 * function.h (frame_offset_overflow): Declare.
13100 * function.c (frame_offset_overflow): New function.
13101 (assign_stack_local_1): Call it to detect that the offset overflows.
13102 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13104 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13106 * config/sh/sh.c: Include alloc-pool.h.
13107 (label_ref_list_pool): New alloc pool.
13108 (label_ref_list_t): New type for lists of labels.
13109 (struct pool_node): Make wend a label_ref_list_t.
13110 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13112 (dump_table): Likewise.
13113 (sh_reorg): Set up the alloc pool before using add_constant and
13114 dump_table, and destroy it when finishing.
13116 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13118 * config/mips/mips.c: Remove redundant comment.
13120 2006-03-10 Jason Merrill <jason@redhat.com>
13123 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13124 the target was declared 'register'.
13126 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13128 * genpreds.c (write_insn_constraint_len): Change definition of
13129 insn_constraint_len to return size_t to match the declaration.
13131 2006-03-10 DJ Delorie <dj@redhat.com>
13133 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13135 (m32c_expand_insv): Fix test for an AND mask.
13137 2006-03-10 Richard Guenther <rguenther@suse.de>
13139 PR middle-end/26565
13140 * builtins.c (get_pointer_alignment): Handle component
13141 references for field alignment.
13143 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13145 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13146 when building with libgloss.
13147 (sh*elf): Implement --without-fp option.
13148 (sh64-superh-linux*): Don't multilib.
13150 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13152 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13154 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13156 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13157 Set it when one of the replacement functions returned true.
13158 Return TODO_cleanup_cfg if cfgchanged is true.
13159 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13161 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13163 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13164 instead of gen_lowpart.
13166 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13168 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13170 (mips_output_order_conditional_branch): Declare.
13171 * config/mips/mips.h (MIPS_BRANCH): New macro.
13172 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13173 for the comparison. Use gen_condjump.
13174 (mips_output_conditional_branch): Rework interface to take the
13175 asm templates for a direct branch and the inverse of a direct branch.
13176 (mips_output_order_conditional_branch): New function.
13177 (mips_builtin_branch_and_move): New function.
13178 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13179 branch condition. Use gen_single_cc as the condition for
13180 __builtin_mips_upper_* or __builtin_mips_lower_*.
13181 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13182 Use VOIDmode for the branch condition.
13183 * config/mips/predicates.md (order_operator): New predicate.
13184 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13185 (branch_fp): Rename to...
13186 (*branch_fp): ...this. Remove mode from comparison operator.
13187 Use new mips_output_conditional_branch interface.
13188 (branch_fp_inverted): Rename to...
13189 (*branch_fp_inverted): ...this and update as for *branch_fp.
13190 (*branch_zero<mode>): Rename to...
13191 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13192 Use mips_output_order_conditional_branch. Only accept ordered
13194 (*branch_zero<mode>_inverted): Rename to...
13195 (*branch_order<mode>_inverted): ...this and update as for
13196 *branch_order<mode>.
13197 (*branch_equality<mode>): Accept zero as the second operand to
13198 the equality operator. Use the new mips_output_conditional_branch
13200 (*branch_equality<mode>_inverted): Likewise.
13201 (condjump): New expander.
13202 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13204 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13205 (bc1any2t, bc1any2f): Likewise.
13206 (single_cc): New expander.
13207 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13209 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13211 * doc/md.texi: Update documentation of MIPS constraints.
13212 * config/mips/constraints.md: New file.
13213 * config/mips/mips.md: Include it.
13214 * config/mips/mips.c (mips_char_to_class): Delete.
13215 (override_options): Don't initialize mips_char_to_class.
13216 * config/mips/mips.h (mips_char_to_class): Delete.
13217 (REG_CLASS_FROM_LETTER): Delete.
13218 (CONST_OK_FOR_LETTER_P): Delete.
13219 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13220 (EXTRA_CONSTRAINT_Y): Delete.
13221 (EXTRA_CONSTRAINT_STR): Delete.
13222 (CONSTRAINT_LEN): Delete.
13223 (EXTRA_MEMORY_CONSTRAINT): Delete.
13225 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13227 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13228 original fn's eh regions.
13230 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13232 * fold-const.c (build_range_check): Make sure to use a valid type to
13233 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13236 (range_predecessor): New static function.
13237 (range_successor): Likewise.
13238 (merge_ranges): Use them to compute predecessors and successors of
13241 2006-03-09 Roger Sayle <roger@eyesopen.com>
13243 PR middle-end/26561
13244 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13245 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13247 2006-03-08 DJ Delorie <dj@redhat.com>
13249 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13250 (addpsi3): Expand to include memory operands. Remove
13251 reload-specific splits.
13252 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13253 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13254 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13255 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13256 (shift1_qi, shift1_hi, insv): New.
13257 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13258 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13259 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13261 * config/m32c/m32c-protos.h: Update as needed.
13262 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13263 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13264 Fail for unrecognized R* constraints.
13265 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13266 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13267 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13269 (m32c_init_libfuncs): New.
13270 (m32c_legitimate_address_p): Add debug wrapper.
13271 (m32c_rtx_costs): New.
13272 (m32c_address_cost): New.
13273 (conversions): Add 'B' prefix.
13274 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13275 operands, or word regnames for QI operands. 'B' prints bit
13277 (m32c_expand_setmemhi): New.
13278 (m32c_expand_movmemhi): New.
13279 (m32c_expand_movstr): New.
13280 (m32c_expand_cmpstr): New.
13281 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13282 (m32c_expand_neg_mulpsi3): Handle non-ints.
13283 (m32c_cmp_flg_0): New.
13284 (m32c_expand_movcc): New.
13285 (m32c_expand_insv): New.
13286 (m32c_scc_pattern): New.
13287 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13288 a0/a1 out of SIregs.
13289 (STORE_FLAG_VALUE): New.
13290 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13293 * config/m32c/mov.md: Make constraints more liberal.
13294 (zero_extendqihi2): Optimize r0/r1 case.
13295 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13296 * config/m32c/predicates.md (m32c_any_operand): New.
13297 (m32c_nonimmediate_operand): New.
13298 (m32c_hl_operand): New.
13299 (m32c_r3_operand): New.
13302 (memsym_operand): New.
13303 (memimmed_operand): New.
13304 (a_qi_operand): New.
13305 (m32c_eqne_operator): New.
13306 (m32c_1bit8_operand): New.
13307 (m32c_1bit16_operand): New.
13308 (m32c_1mask8_operand): New.
13309 (m32c_1mask16_operand): New.
13310 * config/m32c/blkmov.md: New file.
13311 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13313 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13315 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13316 unsigned to fix signed/unsigned comparison issue in
13317 DWARF2_FRAME_REG_OUT.
13318 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13319 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13321 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13322 of ptr into the ENABLE_CHECKING section.
13324 2006-03-08 Jeff Law <law@redhat.com>
13326 * tree-vrp.c (infer_value_range): Only count pointer uses
13327 and dereferences if -fdelete-null-pointer-checks is enabled.
13329 * tree-vrp.c (find_assert_locations): Infer value ranges for
13330 single use pointers, but do not create ASSERT_EXPRs for them.
13331 When a non-null range is inferred for a pointer, backwards
13332 propagate that range to other equivalent pointers through the
13335 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13338 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13339 language hook targets.
13340 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13341 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13342 if language hook targets were missing.
13344 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13346 * tree-ssa-opfinalize.h: Removed.
13347 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13349 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13350 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13351 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13352 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13353 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13354 finalize_ssa_v_must_def_ops): New.
13356 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13358 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13359 block as parameter.
13361 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13363 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13365 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13366 addresses with offsets; reorganize.
13368 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13369 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13370 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13372 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13375 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13377 2006-03-08 Ben Elliston <bje@au.ibm.com>
13379 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13381 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13384 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13387 2006-03-07 Richard Guenther <rguenther@suse.de>
13389 PR tree-optimization/26587
13390 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13392 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13394 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13396 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13398 * hooks.c (hook_bool_mode_rtx_true): New function.
13399 * hooks.h (hook_bool_mode_rtx_true): Declare.
13400 * toplev.c (compile_file): Call output_shared_constant_pool.
13401 * varasm.c (shared_constant_pool): New variable.
13402 (assemble_start_function, assemble_end_function): Remove arguments
13403 from call to output_constant_pool.
13404 (create_constant_pool): New function, split out from...
13405 (init_varasm_status): ...here.
13406 (force_const_mem): Choose between the shared and per-function constant
13407 pools. Set current_function_uses_const_pool when reusing old entries
13408 as well as when creating new ones.
13409 (mark_constant): Ignore data argument.
13410 (mark_constants): Remove pool argument.
13411 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13412 to decide whether the function uses a constant pool.
13413 (output_constant_pool_contents): New function, split out from...
13414 (output_constant_pool): ...here.
13415 (output_shared_constant_pool): New function.
13416 (init_varasm_once): Initialize shared_constant_pool.
13417 * output.h (output_constant_pool): Delete.
13418 (output_shared_constant_pool): Declare.
13419 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13420 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13422 2006-03-06 Nick Clifton <nickc@redhat.com>
13424 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13425 flag_strength_reduce.
13427 2006-03-06 Ben Elliston <bje@au.ibm.com>
13429 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13430 x86_64-*-linux* configurations.
13432 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13433 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13435 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13437 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13439 * basic-block.h: Remove the extern for
13440 rediscover_loops_after_threading.
13442 * cfgloop.c (cancel_loop): Make it static.
13443 * cfgloop.h: Remove the prototype for cancel_loop.
13445 * flow.c (recompute_reg_usage): Make it static.
13446 * rtl.h: Remove the prototype for recompute_reg_usage.
13448 * function.c (use_return_register): Make it static.
13449 * function.h: Remove the prototype.
13451 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13453 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13455 * recog.h: Remove the prototype for
13456 validate_change_maybe_volatile.
13458 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13460 * rtlanal.c (replace_reg): Remove.
13461 * rtl.h: Remove the prototype for replace_reg.
13463 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13465 * regclass.c (reg_scan_update): Remove.
13466 (reg_scan_mark_refs): Remove the last argument.
13467 * rtl.h: Remove the prototype for reg_scan_update.
13469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13471 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13472 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13473 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13474 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13475 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13476 loop-invariant.c, omp-low.c, opts.c, passes.c,
13477 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13478 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13479 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13480 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13481 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13482 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13484 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13486 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13487 * dwarf2out.h: Remove the prototype for
13488 dwarf2out_add_library_unit_info.
13490 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13492 * tree.c (add_var_to_bind_expr): Remove.
13493 * tree.h: Remove the prototype for add_var_to_bind_expr.
13495 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13497 * regclass.c (n_non_fixed_regs): Remove.
13498 (init_reg_sets_1, globalize_reg): Remove all uses of
13500 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13502 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13504 * rtlanal.c (insns_safe_to_move_p): Remove.
13505 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13507 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13509 * expmed.c (expand_mult_add): Remove.
13510 * expr.h: Remove the prototype for expand_mult_add.
13512 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13514 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13515 and REG_SAVED_VAL_EXP constants.
13516 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13517 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13518 Handle regs stored by value.
13519 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13520 (execute_cfa_program): Handle DW_CFA_val_offset,
13521 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13522 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13523 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13524 (uw_install_context_1): Handle target regs stored by value.
13526 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13528 * tree-sra.c (tree_sra): Return todoflags;
13529 (generate_one_element): Set TODO_update_smt_usage if needed.
13530 (pass_sra): Remove TODO_update_smt_usage.
13531 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13533 (tree_ssa_forward_propagate_single_use_vars): Return
13534 TODO_update_smt_usage if we need to update SMT usage.
13535 (pass_forwprop): Remove TODO_update_smt_usage.
13537 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13539 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13540 (correct_use_link): Remove reference to get_stmt_operands.
13541 (update_stmt_operands): Likewise.
13542 (get_modify_expr_operands): New function factored out of
13543 parse_ssa_operands and get_expr_operands.
13544 Try to create V_MUST_DEFs for LHS by default.
13545 (get_expr_operands) <case MODIFY_EXPR>: Call
13546 get_modify_expr_operands.
13547 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13548 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13549 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13550 get_modify_expr_operands.
13552 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13554 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13555 * tree-flow.h: Remove the prototype for
13556 referenced_var_lookup_if_exists.
13558 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13560 PR rtl-optimization/26345
13562 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13564 2006-03-03 Roger Sayle <roger@eyesopen.com>
13566 PR tree-optimization/26524
13567 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13568 fold_convert to create a constant of the appropriate type.
13570 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13572 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13573 SYMBOL_REF_IN_BLOCK_P.
13574 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13575 of SYMBOL_FLAG_IN_BLOCK.
13576 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13577 instead of SYMBOL_REF_IN_BLOCK_P.
13578 * explow.c (use_anchored_address): Likewise.
13579 * rtl.c (rtx_size): Likewise.
13580 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13581 instead of SYMBOL_FLAG_IN_BLOCK.
13582 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13583 SYMBOL_REF_IN_BLOCK_P.
13584 (assemble_variable): Likewise.
13585 (output_constant_def_contents): Likewise.
13586 (output_constant_pool): Likewise.
13587 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13588 instead of SYMBOL_FLAG_IN_BLOCK.
13589 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13590 SYMBOL_REF_IN_BLOCK_P.
13591 (SYMBOL_REF_BLOCK): Likewise.
13592 (SYMBOL_REF_OFFSET): Likewise.
13593 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13594 SYMBOL_REF_IN_BLOCK_P.
13595 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13596 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13597 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13598 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13600 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13602 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13604 2006-03-02 Roger Sayle <roger@eyesopen.com>
13606 * simplify-rtx.c (simplify_unary_operation): When simplifying
13607 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13608 that we perform the right shift in the appropriate mode, and
13609 then extend or truncate the result to requested mode.
13611 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13613 * gengtype.c (main): Handle double_int type.
13614 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13615 * double-int.c: New file.
13616 * double-int.h: New file.
13617 * system.h: Include doubleint.h.
13618 * Makefile.in (SYSTEM_H): Include double-int.h.
13619 (double-int.o): Add.
13621 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13624 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13627 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13629 * tree-vrp.c (remove_range_assertions): Do not update statements
13632 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13634 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13636 * gcse.c (rest_of_handle_gcse): Ditto.
13637 * except.c (gate_handle_eh): Ditto.
13638 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13639 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13641 2006-03-02 Eric Christopher <echristo@apple.com>
13643 * config/i386/i386.c (machopic_output_stub): Add indirection to
13646 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13650 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13652 Sun Niagara specific optimizations.
13653 * config.gcc: Recognize niagara as target.
13654 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13655 (TARGET_CPU_niagara): Define.
13656 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13657 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13658 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13659 (ASM_CPU_SPEC): Likewise.
13660 (PROCESSOR_NIAGARA): New enum entry.
13661 (REGISTER_MOVE_COST): Handle Niagara.
13662 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13663 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13664 (sparc_override_options): Recognize "niagara", set appropriate
13665 default MASK_* values for it, and align functions to 32-bytes
13666 by default just like ULTRASPARC/ULTRASPARC3.
13667 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13668 (sparc64_initialize_trampoline): Likewise.
13669 (sparc_use_sched_lookahead): Use zero for niagara.
13670 (sparc_issue_rate): Use one for niagara.
13671 * config/sparc/niagara.md: New file.
13672 * config/sparc/sparc.md: Include it.
13673 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13674 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13675 when default cpu is niagara.
13676 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13677 (ASM_CPU_SPEC): Likewise.
13678 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13679 when default cpu is niagara.
13680 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13681 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13682 just like v9/ultrasparc/ultrasparc3.
13683 * doc/invoke.texi: Add documentation for "niagara" and improve
13684 existing documentation for ultrasparc variants.
13686 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13688 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13690 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13692 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13693 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13694 and say that only one is needed.
13695 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13696 * target.h (have_switchable_bss_sections): New hook.
13697 * explow.c (use_anchored_address): Check that the symbol is in a block.
13698 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13699 (bss_noswitch_section): New variables.
13700 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13701 (get_noswitch_section): New function.
13702 (get_block_for_section): Allow SECT to be null.
13703 (unlikely_text_section_p): Use SECTION_STYLE.
13704 (bss_initializer_p): New function.
13705 (get_variable_section): Move earlier in file. Take a new argument,
13706 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13707 Return one of the new *_sections in such cases.
13708 (get_block_for_decl): New function, extracting some logic from
13709 use_blocks_for_decl_p.
13710 (change_symbol_section): Remove in favor of...
13711 (change_symbol_block): ...this new function.
13712 (use_blocks_for_decl_p): Remove checks now performed by
13713 get_block_for_decl.
13714 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13715 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13716 (emit_local, emit_bss, emit_common): ...these new functions.
13717 Return true if the alignment was honored.
13718 (emit_tls_common): New function.
13719 (asm_emit_uninitialised): Delete.
13720 (assemble_variable_noswitch): New function, split out from...
13721 (assemble_variable): ...here. Don't make decisions about common
13722 variables here. Globalize all public decls that go into non-common
13723 sections. Check whether SYMBOL_REF_BLOCK is null.
13724 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13725 (output_constant_pool): Likewise.
13726 (init_varasm_once): Initialize the new section variables.
13727 (have_global_bss_p): New function.
13728 (categorize_decl_for_section): Use bss_initializer_p.
13729 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13730 (place_block_symbol): Assert that the symbol must be in a block.
13731 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13732 (TARGET_INITIALIZER): Include it.
13733 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13734 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13735 (SECTION_MACH_DEP): Bump by two.
13736 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13737 (unnamed_section): Mention SECTION_UNNAMED in comment.
13738 (named_section): Likewise SECTION_NAMED.
13739 (noswitch_section_callback): New type.
13740 (noswitch_section): New structure.
13741 (section): Add a noswitch_section alternative.
13742 (SECTION_STYLE): New macro.
13743 (tls_comm_section, comm_section, lcomm_section): Declare.
13744 (bss_noswitch_section, have_global_bss_p): Declare.
13745 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13746 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13748 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13749 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13752 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13754 * tree-vrp.c (execute_vrp): Return value.
13755 * regrename.c (rest_of_handle_regrename): Ditto.
13756 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13757 * tree-complex.c (tree_lower_complex): Ditto.
13758 (tree_lower_complex_O0): Ditto.
13759 * tracer.c (rest_of_handle_tracer): Ditto.
13760 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13761 * postreload.c (rest_of_handle_postreload): Ditto.
13762 * tree-tailcall.c (execute_tail_recursion): Ditto.
13763 (execute_tail_calls): Ditto.
13764 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13765 * tree.h (init_function_for_compilation): Ditto.
13766 * ipa-cp.c (ipcp_driver): Ditto.
13767 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13768 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13769 * final.c (compute_alignments): Ditto.
13770 (rest_of_handle_final): Ditto.
13771 (rest_of_handle_shorten_branches): Ditto.
13772 (rest_of_clean_state): Ditto.
13773 * omp-low.c (execute_expand_omp): Ditto.
13774 (execute_lower_omp): Ditto.
13775 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13776 * ipa-reference.c (static_execute): Ditto.
13777 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13778 * reorg.c (rest_of_handle_delay_slots): Ditto.
13779 (rest_of_handle_machine_reorg): Ditto.
13780 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13781 * flow.c (recompute_reg_usage): Ditto.
13782 (rest_of_handle_remove_death_notes): Ditto.
13783 (rest_of_handle_life): Ditto.
13784 (rest_of_handle_flow2): Ditto.
13785 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13786 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13787 (do_ssa_store_ccp): Ditto.
13788 (execute_fold_all_builtins): Ditto.
13789 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13790 * modulo-sched.c (rest_of_handle_sms): Ditto.
13791 * ipa-pure-const.c (static_execute): Ditto.
13792 * cse.c (rest_of_handle_cse): Ditto.
13793 (rest_of_handle_cse2): Ditto.
13794 * web.c (rest_of_handle_web): Ditto.
13795 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13796 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13797 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13798 * tree-nrv.c (tree_nrv): Ditto.
13799 (execute_return_slot_opt): Ditto.
13800 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13801 (create_structure_vars): Ditto.
13802 * loop-init.c (rtl_loop_init): Ditto.
13803 (rtl_loop_done): Ditto.
13804 (rtl_move_loop_invariants): Ditto.
13805 (rtl_unswitch): Ditto.
13806 (rtl_unroll_and_peel_loops): Ditto.
13807 (rtl_doloop): Ditto.
13808 * gimple-low.c (lower_function_body): Ditto.
13809 (mark_used_blocks): Ditto.
13810 * tree-ssa-sink.c (execute_sink_code): Ditto.
13811 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13812 (cgraph_early_inlining): Ditto.
13813 * global.c (rest_of_handle_global_alloc): Ditto.
13814 * jump.c (cleanup_barriers): Ditto.
13815 (purge_line_number_notes): Ditto.
13816 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13817 (rest_of_handle_if_after_reload): Ditto.
13818 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13819 (tree_ssa_loop_im): Ditto.
13820 (tree_ssa_loop_unswitch): Ditto.
13821 (tree_vectorize): Ditto.
13822 (tree_linear_transform): Ditto.
13823 (tree_ssa_loop_ivcanon): Ditto.
13824 (tree_ssa_empty_loop): Ditto.
13825 (tree_ssa_loop_bounds): Ditto.
13826 (tree_complete_unroll): Ditto.
13827 (tree_ssa_loop_prefetch): Ditto.
13828 (tree_ssa_loop_ivopts): Ditto.
13829 (tree_ssa_loop_done): Ditto.
13830 * predict.c (tree_estimate_probability): Ditto.
13831 * recog.c (split_all_insns_noflow): Ditto.
13832 (rest_of_handle_peephole2): Ditto.
13833 (rest_of_handle_split_all_insns): Ditto.
13834 * tree-eh.c (lower_eh_constructs): Ditto.
13835 * regmove.c (rest_of_handle_regmove): Ditto.
13836 (rest_of_handle_stack_adjustments): Ditto.
13837 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13838 * function.c (instantiate_virtual_regs): Ditto.
13839 (init_function_for_compilation): Ditto.
13840 (rest_of_handle_check_leaf_regs): Ditto.
13841 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13842 (rest_of_handle_gcse): Ditto.
13843 * ipa-type-escape.c (type_escape_execute): Ditto.
13844 * alias.c (rest_of_handle_cfg): Ditto.
13845 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13846 * profile.c (rest_of_handle_branch_prob): Ditto.
13847 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13848 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13849 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13850 * tree-dfa.c (find_referenced_vars): Ditto.
13851 * except.c (set_nothrow_function_flags): Ditto.
13852 (convert_to_eh_region_ranges): Ditto.
13853 (rest_of_handle_eh): Ditto.
13854 * emit-rtl.c (unshare_all_rtl): Ditto.
13855 (remove_unnecessary_notes): Ditto.
13856 * except.h (set_nothrow_function_flags): Ditto.
13857 (convert_to_eh_region_ranges): Ditto.
13858 * cfgexpand.c (tree_expand_cfg): Ditto.
13859 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13860 * tree-ssa-pre.c (do_pre): Ditto.
13861 (execute_fre): Ditto.
13862 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13863 (rest_of_handle_jump2): Ditto.
13864 * tree-sra.c (tree_sra): Ditto.
13865 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13866 (execute_mudflap_function_decls): Ditto.
13867 * tree-ssa-copy.c (do_copy_prop): Ditto.
13868 (do_store_copy_prop): Ditto.
13869 * ipa-prop.h (ipcp_driver): Ditto.
13870 * cfglayout.c (insn_locators_initialize): Ditto.
13871 * tree-ssa-forwprop.c
13872 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13873 * cfglayout.h (insn_locators_initialize): Ditto.
13874 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13875 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13876 (execute_late_warn_uninitialized): Ditto.
13877 * rtl.h (cleanup_barriers): Ditto.
13878 (split_all_insns_noflow): Ditto.
13879 (purge_line_number_notes): Ditto.
13880 (unshare_all_rtl): Ditto.
13881 (remove_unnecessary_notes): Ditto.
13882 (recompute_reg_usage): Ditto.
13883 (variable_tracking_main): Ditto.
13884 * integrate.c (emit_initial_value_sets): Ditto.
13885 * integrate.h (emit_initial_value_sets): Ditto.
13886 * tree-optimize.c (execute_free_datastructures): Ditto
13887 (execute_free_cfg_annotations): Ditto.
13888 (execute_fixup_cfg): Ditto.
13889 (execute_cleanup_cfg_pre_ipa): Ditto.
13890 (execute_cleanup_cfg_post_optimizing): Ditto.
13891 (execute_init_datastructures): Ditto.
13892 * tree-object-size.c (compute_object_sizes): Ditto.
13893 * combine.c (rest_of_handle_combine): Ditto.
13894 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13895 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13896 (rest_of_handle_reorder_blocks): Ditto.
13897 (rest_of_handle_partition_blocks): Ditto.
13898 * var-tracking.c (variable_tracking_main): Ditto.
13899 * tree-profile.c (tree_profiling): Ditto.
13900 * tree-vect-generic.c (expand_vector_operations): Ditto.
13901 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13902 * sched-rgn.c (rest_of_handle_sched): Ditto.
13903 (rest_of_handle_sched2): Ditto.
13904 * basic-block.h (free_bb_insn): Ditto.
13905 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13906 * tree-cfg.c (execute_build_cfg): Ditto.
13907 (remove_useless_stmts): Ditto.
13908 (split_critical_edges): Ditto.
13909 (execute_warn_function_return): Ditto.
13910 (execute_warn_function_noreturn): Ditto.
13911 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13912 * cfgrtl.c (free_bb_for_insn): Ditto.
13913 * passes.c (execute_one_pass): Run additional
13914 todos returned by execute function.
13915 * tree-pass.h (struct tree_opt_pass): Make execute
13918 2006-03-02 Richard Guenther <rguenther@suse.de>
13920 * tree-ssa-alias.c (find_used_portions): Consider taking
13921 the address as making the variable not write-only.
13923 2006-03-02 Nick Clifton <nickc@redhat.com>
13925 * config.gcc (default_use_cxa_atexit): Extend the description of
13926 this configure variable. Set its default value to "yes" for
13927 Linux, NetBSD and ELF targets on the assumption that they will
13928 use C libraries with the __cxa_atexit function.
13930 2006-03-02 Ben Elliston <bje@au.ibm.com>
13932 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13933 parameter as unused to suppress a build warning.
13935 2006-03-02 Ben Elliston <bje@au.ibm.com>
13937 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13940 2006-03-01 Roger Sayle <roger@eyesopen.com>
13943 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13944 declared name, the weak reference name, and the typeof name.
13945 (__gthrw): Avoid expanding the declared name suffix.
13946 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13948 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13950 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13952 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13953 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13954 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13955 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13956 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
13957 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
13958 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
13959 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
13960 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
13961 DW_DS_leading_separate, DW_DS_trailing_separate): New.
13962 (DW_END_default, DW_END_big, DW_END_little): New.
13963 (DW_END_lo_user, DW_END_hi_user): Define.
13964 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
13965 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
13966 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
13969 2006-03-01 Diego Novillo <dnovillo@redhat.com>
13971 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
13973 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
13975 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
13977 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
13979 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
13980 to 'symbol_mem_tag'.
13982 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
13985 2006-03-01 Roger Sayle <roger@eyesopen.com>
13987 * builtins.c (fold_builtin_copysign): Delete unreachable code.
13989 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13992 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
13993 MACHO_DYNAMIC_NO_PIC_P.
13994 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
13996 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
13999 * config/darwin-protos.h (darwin_asm_output_anchor):
14001 * config/darwin-sections.def (cstring_section):
14002 Add SECTION_MERGE to the flags.
14003 (literal4_section): Likewise.
14004 (literal8_section): Likewise.
14005 (objc_selector_refs_section): Likewise.
14006 (objc_cls_refs_section): Likewise.
14007 * config/darwin.c (darwin_asm_output_anchor): New
14009 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14011 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14013 Fix PR tree-optimization/26443
14014 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14015 to todo and PROP_tmt_usage to properties_destroyed.
14016 * tree-ssa-ccp.c (pass_ccp): Ditto.
14017 (pass_store_ccp): Ditto.
14018 * tree-ssa-dom.c (pass_dominator): Ditto.
14020 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14022 * tree-ssa-operands.c: Cleanup whitespace.
14023 (get_asm_expr_operands): Move before first invocation.
14024 (get_indirect_ref_operands): Likewise.
14025 (get_tmr_operands): Likewise.
14026 (get_call_expr_operands): Likewise.
14027 (append_def): Likewise.
14028 (append_use): Likewise.
14029 (append_v_may_def): Likewise.
14030 (append_v_must_def): Likewise.
14031 (add_call_clobber_ops): Likewise.
14032 (add_call_read_ops): Likewise.
14033 (add_stmt_operand): Likewise.
14034 (add_virtual_operand): Likewise.
14035 (build_ssa_operands): Likewise.
14037 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14039 PR middle-end/26022
14041 PR middle-end/24437
14042 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14043 with a call expr to ...
14044 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14046 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14048 * tree-vrp.c (extract_range_from_assert): Remove special
14049 handling for types with super-types.
14051 2006-03-01 Ben Elliston <bje@au.ibm.com>
14053 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14054 and powerpc64-*-linux* configurations.
14055 * config/t-dfprules: New file.
14057 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14058 Compile dfp-bit.c from the source directory using -DWIDTH and
14059 $DFP_CFLAGS to control the compilation of that file, rather than
14060 generating width-specific versions in the build directory.
14061 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14062 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14064 2006-02-28 Zack Weinberg <zackw@panix.com>
14066 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14069 2006-02-28 Eric Christopher <echristo@apple.com>
14071 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14072 Set up IN_LIBGCC definition of TARGET_64BIT.
14073 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14075 2006-02-28 Roger Sayle <roger@eyesopen.com>
14077 PR middle-end/14752
14078 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14079 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14080 cases via the construction of "expr != 0".
14082 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14084 * alias.c (alias_invariant, alias_invariant_size): Remove.
14085 (record_base_value): Remove.
14086 (memrefs_conflict_p): Don't look at alias_invariant.
14087 (end_alias_analysis): Don't free it.
14088 * alias.h (record_base_value): Remove prototype.
14090 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14091 Adam Nemet <anemet@caviumnetworks.com>
14093 * rtl.h (truncated_to_mode): Declare it.
14094 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14095 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14096 (RTL_HOOKS_INITIALIZER): Include it.
14097 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14098 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14099 reg_truncated_to_mode.
14100 * rtlanal.c (truncated_to_mode): Define it.
14101 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14103 2006-02-28 Jeff Law <law@redhat.com>
14105 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14106 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14107 the range allowed by TYPE_PRECISION.
14109 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14111 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14113 PR tree-optimization/26419
14114 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14117 2006-02-27 Zack Weinberg <zackw@panix.com>
14119 * doc/md.texi: Fix typo in previous change.
14121 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14125 2006-02-27 Zack Weinberg <zackw@panix.com>
14127 * rtl.def (define_constraint, define_register_constraint)
14128 (define_memory_constraint, define_address_constraint): New MD forms.
14129 * gensupport.c (process_rtx): Put define_constraint etc on the
14131 * genpreds.c (process_define_predicate): Adjust comment. Validate
14132 the name, and call validate_exp to validate the expression.
14133 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14134 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14135 all callers changed.
14136 (validate_exp, needs_variable, struct constraint_data)
14137 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14138 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14139 (const_dbl_constraints, constraint_max_namelen)
14140 (have_register_constraints, have_memory_constraints)
14141 (have_address_constraints, have_address_constraints)
14142 (have_extra_constraints, have_const_int_constraints)
14143 (have_const_dbl_constraints, mangle, add_constraint)
14144 (process_define_constraint, process_define_register_constraint)
14145 (write_enum_constraint_num, write_lookup_constraint)
14146 (write_insn_constraint_len, write_regclass_for_constraint)
14147 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14148 (write_insn_extra_memory_constraint)
14149 (write_insn_extra_address_constraint)
14150 (write_satisfies_constraint_fns): New.
14151 (write_tm_preds_h): If we have new-style constraint definitions,
14152 prototype the functions generated from them, and define the
14153 old constraint interface (still used by generic code) in terms of
14155 (write_insn_preds_c): If we have new-style constraint definitions,
14156 generate all relevant functions from those definitions.
14157 (main): Handle define_constraint etc.
14158 * genoutput.c (struct constraint_data, indep_constraints)
14159 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14160 (mdep_constraint_len): New data structures and functions, defined
14161 #ifdef USE_MD_CONSTRAINTS.
14162 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14163 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14164 use new logic to validate operand constraints against constraint
14166 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14168 * defaults.h: If none of the old-style constraint macros are
14169 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14170 old-style macros; and poison REG_CLASS_FROM_LETTER,
14171 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14173 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14174 * doc/md.texi: Document new constraint-definition mechanism and the
14175 C interface it provides. Remove references to old mechanism
14176 elsewhere in the document.
14177 (Machine Constraints): Use pathnames relative to gcc directory,
14178 i.e. config/ARCH/FILE. Change i386 section to refer to
14179 config/i386/predicates.md; update that section to match docstrings.
14180 * doc/tm.texi: Move all documentation of the old constraint-
14181 definition macros to their own section, clearly mark as obsolete.
14183 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14184 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14186 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14187 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14188 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14189 constraint strings.
14190 (splits and peepholes): Use satisfies_constraint_*.
14191 * config/i386/i386.c (memory_address_length)
14192 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14194 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14196 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14197 scalar operation to be put back into the loop.
14199 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14202 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14203 (extract_cie_info): Handle S flag in augmentation string.
14204 (execute_cfa_program): If context->signal_frame, execute also
14205 fs->pc == context->ra instructions.
14206 (uw_frame_state_for): If context->signal_frame, don't subtract one
14207 from context->ra to find FDE.
14208 (uw_update_context_1): Set context->signal_frame to
14210 (_Unwind_GetIPInfo): New function.
14211 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14212 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14214 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14215 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14216 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14217 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14218 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14219 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14220 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14221 x86_64_fallback_frame_state): Set fs->signal_frame.
14222 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14223 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14224 (frob_update_context): Likewise. Workaround missing S flag in
14225 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14226 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14227 Remove the psw_addr + 1 hack.
14229 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14231 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14232 with aggregates here.
14233 (find_func_aliases): Remove code for &<aggregate> from here.
14235 2006-02-26 Roger Sayle <roger@eyesopen.com>
14237 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14238 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14239 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14240 as (X & C) ne/eq 0.
14242 2006-02-26 Roger Sayle <roger@eyesopen.com>
14244 PR middle-end/19983
14245 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14247 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14249 * opts.c (decode_options): Do not handle flag_strength_reduce.
14250 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14251 and OPT_fstrength_reduce.
14252 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14253 flag_prefetch_loop_arrays for being nonzero.
14254 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14256 (fprefetch-loop-arrays-rtl): Removed.
14257 (flag_prefetch_loop_arrays): Do not specify the value.
14259 * doc/passes.texi: Update documentation of loop optimizer
14261 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14262 -frerun-loop-opt): Remove.
14264 2006-02-26 Richard Guenther <rguenther@suse.de>
14266 PR tree-optimization/26421
14267 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14268 in function calls that are ADDR_EXPRs as using the whole structure.
14270 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14272 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14273 * tree-pass.h (pass_loop_optimize): Remove.
14274 * passes.c (pass_loop_optimize): Never run it.
14275 * toplev.c (backend_init): Don't call init_loop.
14276 * opts.c (flag_loop_optimize_set): Remove.
14277 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14278 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14279 the old RTL loop optimizer when profiling enabled.
14280 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14281 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14282 pre-headers for the sake of the old RTL loop optimizer.
14283 * Makefile.in: Remove all references to loop.o.
14285 * doc/invoke.texi: Remove all references to -floop-optimize
14286 and -frerun-loop-opt.
14288 2006-02-26 Zack Weinberg <zackw@panix.com>
14290 * doc/md.texi (Machine Constraints): Refer to all files with paths
14291 relative to gcc directory (i.e. config/CPU/file). Add missing
14292 @table @code ... @end table to M32C subsection.
14294 2006-02-26 Roger Sayle <roger@eyesopen.com>
14296 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14298 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14300 2006-02-26 Roger Sayle <roger@eyesopen.com>
14301 James A. Morrison <phython@gcc.gnu.org>
14303 PR middle-end/21137
14304 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14305 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14306 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14307 signedness of the shift operation.
14309 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14311 PR tree-optimization/26359
14312 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14314 2006-02-25 Roger Sayle <roger@eyesopen.com>
14316 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14317 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14318 as X == 0, and some symmetry related transformations.
14319 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14321 2006-02-25 Roger Sayle <roger@eyesopen.com>
14323 PR middle-end/23673
14324 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14325 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14326 symmetry related transformations. Fold (X^C1) == C2 as
14329 2006-02-25 Juergen Weigert <jw@suse.de>
14330 Richard Guenther <rguenther@suse.de>
14332 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14334 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14336 * combine.c (gen_lowpart_or_truncate): Call
14337 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14339 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14341 * doc/invoke.texi: Move -fopenmp description to "Options for
14343 Remove reference to -lgomp.
14345 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14347 * doc/install.texi: Require GNU tar version 1.14.
14349 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14351 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14352 * doc/invoke.texi (C++ Dialect Options): Document
14353 -fno-use-cxa-get-exception-ptr.
14354 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14355 * configure: Regenerate.
14356 * c.opt (fuse-cxa-get-exception-ptr): New.
14357 * c-opts.c (c_common_handle_option): Handle
14358 OPT_fuse_cxa_get_exception_ptr.
14359 * c-common.c (flag_use_cxa_atexit): Update documentation.
14360 (flag_use_cxa_get_exception_ptr): New.
14361 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14362 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14364 (C_COMMON_OVERRIDE_OPTIONS): New.
14366 2006-02-24 Roger Sayle <roger@eyesopen.com>
14368 PR middle-end/24952
14369 * combine.c (try_combine): Explicitly check whether GET_CODE is
14370 a SET or a CLOBBER, instead on checking that it isn't a USE.
14372 2006-02-24 Roger Sayle <roger@eyesopen.com>
14374 * fold-const.c (fold_comparison): New subroutine of fold_binary
14375 containing transformations common to both the equality and
14376 ordering relational operators, factored out of fold_binary.
14377 (fold_binary): Separate out the equality operators (EQ_EXPR
14378 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14379 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14380 transformations common to both.
14381 (fold_div_compare): Fix latent bugs in the previously unreachable
14382 LT_EXPR and GE_EXPR cases.
14384 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14386 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14387 decl libname for clog to __clog on AIX.
14389 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14391 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14394 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14395 output traceback table for thunks. Localise rs6000_stack_info call.
14397 2006-02-23 Roger Sayle <roger@eyesopen.com>
14398 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14400 * gthr-posix.h (__gthrw): Fix typo in comment.
14402 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14404 * doc/cpp.texi (Character sets): Document that we do support
14405 input files to be in any character set.
14407 2006-02-23 Jeff Law <law@redhat.com>
14409 * tree.h (PHI_ARG_NONZERO): Remove.
14410 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14411 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14412 node to the new node.
14414 PR tree-optimization/26425
14415 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14416 min/max, then assume its varying.
14418 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14420 PR rtl-optimization/26316
14421 * rtlanal.c (enum may_trap_p_flags): New.
14422 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14423 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14424 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14425 (may_trap_after_code_motion_p): New function.
14426 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14427 (find_invariant_insn): Use may_trap_after_code_motion_p.
14428 * rtl.h (may_trap_after_code_motion_p): Declare.
14430 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14432 * emit-rtl.c (immed_double_const): Cleanup.
14434 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14436 Fix PR tree-optimization/26376
14437 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14440 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14442 PR middle-end/26412
14443 * gimplify.c (omp_add_variable): Guard variable size decl test with
14444 DECL_SIZE (decl) check.
14446 2006-02-23 Richard Guenther <rguenther@suse.de>
14448 PR middle-end/26439
14449 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14450 like aggregate types.
14452 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14454 * configure.ac: Add --with{,out}-long-double-128 configure option.
14455 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14456 * configure: Rebuilt.
14457 * config.in: Rebuilt.
14458 * doc/install.texi (Options specification): Document
14459 --with-long-double-128.
14461 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14462 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14463 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14464 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14466 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14468 * config/s390/s390.c (override_options): Handle
14469 TARGET_DEFAULT_LONG_DOUBLE_128.
14471 * config/alpha/alpha.c (override_options): Handle
14472 TARGET_DEFAULT_LONG_DOUBLE_128.
14474 * config/sparc/sparc.c (sparc_override_options): Handle
14475 TARGET_DEFAULT_LONG_DOUBLE_128.
14477 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14479 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14480 (real-install-headers-tar, real-install-headers-cpio)
14481 (real-install-headers-cp): New targets.
14483 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14485 * tree.h (variable_section): Delete.
14486 * varasm.c (variable_section): Delete.
14488 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14490 * install.texi: Add notes on install.texi2html.
14491 (Building in parallel): Do not use footnotes.
14493 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14496 * doc/install.texi (Configuration): Document --disable-libgomp.
14498 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14500 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14502 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14504 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14505 (vec_extractv2df_0_sse): New.
14507 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14509 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14510 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14511 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14512 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14513 to the result of the expression.
14514 (def_cfa_1): Adjust.
14515 (frame_pointer_cfa_offset): Rename to...
14516 (frame_pointer_fb_offset): ... this. Adjust all uses.
14517 (convert_cfa_to_loc_list): Rename to...
14518 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14519 Pass it on to build_cfa_loc.
14520 (compute_frame_pointer_to_cfa_displacement): Rename to...
14521 (compute_frame_pointer_to_fb_displacement): ... this. New
14522 offset parameter. Use it in computation.
14523 (gen_subprogram_die): Compute cfa_fb_offset with the new
14524 macro, and use it to compute the fb loc list and the
14527 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14529 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14530 replaced with register_operand.
14531 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14532 non-DREG is expensive.
14533 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14534 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14537 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14539 * doc/install.texi2html: Use set -e.
14541 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14543 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14544 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14545 * doc/invoke.texi (-fshared-data): Delete.
14546 * common.opt (fshared-data): Delete.
14547 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14548 (assemble_static_space): Remove #if 0 code.
14549 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14550 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14551 * config/cris/cris.h: Remove FIXME.
14553 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14555 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14558 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14560 PR middle-end/26379
14561 * combine.c (simplify_shift_const_1): Disable nested shifts
14562 optimization for vector shifts.
14564 2006-02-20 Roger Sayle <roger@eyesopen.com>
14566 PR tree-optimization/26361
14567 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14568 of unsigned integer types.
14570 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14572 * tree-chrec.c (eq_evolutions_p): New.
14573 * tree-chrec.h (eq_evolutions_p): Declared.
14574 * tree-data-ref.c: Fix formatting.
14575 (datadep_stats, dependence_stats): New.
14577 (print_direction_vector): New.
14578 (dump_data_dependence_relation): Use print_direction_vector.
14579 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14580 (compute_subscript_distance): Static.
14581 (initialize_data_dependence_relation): Static. Get the number
14582 of loops surrounding the references from the callers, and initialize
14583 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14584 base_object_differ_p analyzers.
14585 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14586 compute_overlap_steps_for_affine_1_2,
14587 analyze_subscript_affine_affine): Count the classified dependences.
14588 Print a message when a test failed.
14589 (can_use_analyze_subscript_affine_affine): New.
14590 (analyze_siv_subscript): Compute the data dependences on symbolic
14591 scevs that verify can_use_analyze_subscript_affine_affine.
14592 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14593 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14594 Handle symbolic scevs.
14595 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14597 (subscript_dependence_tester): Moved...
14598 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14599 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14600 DDR_SIZE_VECT instead of getting it in parameter.
14601 (subscript_dependence_tester): ... here. Take as a parameter
14602 loop_nest_depth. Call build_classic_dist_vector and
14603 build_classic_dir_vector.
14604 (compute_affine_dependence): Update subscript_dependence_tester
14605 parameters. Update datadep_stats counters. Call
14606 compute_subscript_distance.
14607 (compute_self_dependence): Save the dist and dir vectors. Call
14608 compute_subscript_distance.
14609 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14610 (compute_all_dependences): Reorder parameters as they were before
14611 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14612 compute_subscript_distance. Update the use of
14613 compute_affine_dependence and initialize_data_dependence_relation.
14614 (find_data_references_in_loop): Handle COMPONENT_REF.
14615 (compute_data_dependences_for_loop): Initialize dependence_stats.
14616 Don't call build_classic_dist_vector and build_classic_dir_vector.
14617 Update the parameters of initialize_data_dependence_relation and
14618 compute_all_dependences. Print the statistics from datadep_stats.
14619 (analyze_all_data_dependences): Static. Not used until the pass for
14620 checking the data dependences is contributed.
14621 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14622 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14623 (initialize_data_dependence_relation, compute_affine_dependence,
14624 analyze_all_data_dependences, compute_subscript_distance): Removed.
14625 (print_direction_vector): New.
14626 * lambda.h (gcd): ... here.
14627 (lambda_vector_gcd): Moved here from gcd_vector.
14628 * lambda-code.c (gcd, gcd_vector): Removed.
14629 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14630 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14632 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14634 * ipa-type-escape.c: Tidy some comments and white space.
14635 * tree-ssa-operands.c: Likewise.
14637 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14640 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14641 (dump_decl_name): Do not walk the decl tree chains.
14642 * tree-pass.h (TDF_CHAIN): Remove.
14644 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14646 * Makefile.in (C): Remove
14648 (.PHONY): Remove C and PROTO
14650 2006-02-20 Roger Sayle <roger@eyesopen.com>
14652 PR middle-end/26236
14653 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14654 deprecated CHAR_TYPE tree code.
14656 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14658 * configure.ac (target_list): Add install-info, dvi, html.
14659 * configure: Regenerate.
14661 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14662 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14663 treelang/Make-lang.in: Do not use double-colon rules.
14665 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14667 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14668 (TMT_USED_ALONE): New macro.
14669 * tree-pass.h (PROP_tmt_usage): New property.
14670 (TODO_update_tmt_usage): New todo.
14671 * tree-ssa-alias.c (updating_used_alone): New variable.
14672 (recalculate_used_alone): New function.
14673 (compute_may_aliases): Set updating_used_alone, call
14674 recalculate_used_alone.
14675 * tree-sra.c (pass_sra): Note that this pass destroys
14676 PROP_tmt_usage, and add TODO_update_tmt_usage.
14677 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14678 * tree-flow.h (updating_used_alone): Prototype.
14679 (recalculate_used_alone): Ditto.
14680 * passes.c (execute_todo): Add code to set updating_used_alone,
14681 and call recalculate.
14682 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14683 for clobber if used alone, and add assert to verify used_alone
14686 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14688 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14689 for non tls symbols added.
14690 (legitimize_address): Do nothing for PLUS expressions if one of the
14691 addends is a tls symbol reference.
14693 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14697 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14699 * Makefile.in (BOOTSTRAPPING): New.
14700 (quickstrap): New definition if BOOTSTRAPPING=yes.
14702 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14703 * configure.ac: Substitute all_selected_languages with the languages
14704 that were configured. For all the other variables except
14705 lang_specs_files, include all the languages in the tree.
14706 * configure: Regenerate.
14708 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14709 if there is one. Run the commands to run fixincludes in the same
14712 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14713 * doc/install.texi: Document exact conventions for searching target tools.
14714 Document --with-build-time-tools. Document toplevel bootstrap. Document
14715 something more about building an Ada cross-compiler. Don't list GNU Make
14716 requirements which affect all platforms.
14718 2006-02-19 Roger Sayle <roger@eyesopen.com>
14720 PR middle-end/19543
14721 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14722 only equivalent if the have both the same mode and precision.
14724 2006-02-20 Ben Elliston <bje@au.ibm.com>
14726 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14728 2006-02-19 Roger Sayle <roger@eyesopen.com>
14729 Steven Bosscher <stevenb.gcc@gmail.com>
14731 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14732 constant pool references to identify stack mode constants.
14733 * rtlanal.c (constant_pool_constant_p): New predicate to check
14734 whether operand is a floating point constant in the pool.
14735 * rtl.h (constant_pool_constant_p): Prototype here.
14736 * loop.c (scan_loop): Avoid hoisting constants from the constant
14737 pool on STACK_REGS targets.
14738 (load_mems): Likewise.
14739 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14740 loads into x87 registers expensive in terms of register pressure.
14742 2006-02-19 Roger Sayle <roger@eyesopen.com>
14744 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14745 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14747 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14749 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14750 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14752 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14754 * doc/invoke.texi: Document -fipa-pta.
14755 * common.opt: Add ipa-pta option.
14756 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14757 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14758 (do_ds_constraint): Ditto.
14759 (get_constraint_for): Only add to referenced_vars if
14760 referenced_vars exists.
14761 (insert_into_field_list): Rewrite to do this unsorted.
14762 (insert_into_field_list_sorted): Rename old insert_into_field_list
14764 (create_function_info_for): Use insert_into_field_list_sorted.
14765 (create_variable_info_for): Rewrite so it uses unsorted version,
14766 since the field list is sorted.
14767 (intra_create_variable_infos): Only add to referenced_vars if
14768 referenced_vars exists.
14769 (ipa_pta_execute): Init heapvars, and delete when done.
14770 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14772 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14774 * doc/install.texi: Add missing `@samp'.
14776 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14778 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14781 2006-02-18 Mark Wielaard <mark@klomp.org>
14783 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14784 who added new 4.1 features, bug fixes and integration support.
14786 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14789 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14790 MEM for ABI_V4 pic.
14792 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14794 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14795 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14796 (copy_insn_1): Likewise. Don't copy each field individually.
14798 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14800 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14801 * rtl.c (rtx_size): Rename variable to...
14802 (rtx_code_size): ...this.
14803 (rtx_size): New function.
14804 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14805 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14807 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14808 * rtl.h (rtx_code_size): New variable.
14809 (rtx_size): Change from a variable to a function.
14810 (RTX_SIZE): Rename to...
14811 (RTX_CODE_SIZE): ...this.
14814 PR tree-optimization/17106
14815 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14816 (Anchored Addresses): New section.
14817 * doc/invoke.texi (-fsection-anchors): Document.
14818 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14819 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14820 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14821 * hooks.c (hook_bool_mode_rtx_false): New function.
14822 * hooks.h (hook_bool_mode_rtx_false): Declare.
14823 * gengtype.c (create_optional_field): New function.
14824 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14825 SYMBOL_REF_IN_BLOCK_P is true.
14826 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14827 (min_anchor_offset, max_anchor_offset): Likewise.
14828 (use_anchors_for_symbol_p): New hook.
14829 * toplev.c (compile_file): Call output_object_blocks.
14830 (target_supports_section_anchors_p): New function.
14831 (process_options): Check that -fsection-anchors is only used on
14832 targets that support it and when -funit-at-a-time is in effect.
14833 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14834 if the decl doesn't have one.
14835 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14836 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14837 of force_const_mem through use_anchored_address.
14838 (expand_expr_constant): New function.
14839 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14840 calling expand_expr for INDIRECT_REF.
14841 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14842 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14843 * expr.h (use_anchored_address): Declare.
14844 * loop-unroll.c: Don't declare rtx vectors here.
14845 * explow.c: Include output.h.
14846 (validize_mem): Call use_anchored_address.
14847 (use_anchored_address): New function.
14848 * common.opt (-fsection-anchors): New switch.
14849 * varasm.c (object_block_htab, anchor_labelno): New variables.
14850 (hash_section, object_block_entry_eq, object_block_entry_hash)
14851 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14852 (use_blocks_for_decl_p, change_symbol_section): New functions.
14853 (get_variable_section): New function, split out from assemble_variable.
14854 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14855 use_blocks_for_decl_p say so. Use change_symbol_section if the
14856 symbol has already been created.
14857 (assemble_variable_contents): New function, split out from...
14858 (assemble_variable): ...here. Don't output any code for
14859 block symbols; just pass them to place_block_symbol.
14860 Use get_variable_section and assemble_variable_contents.
14861 (get_constant_alignment, get_constant_section, get_constant_size): New
14862 functions, split from output_constant_def_contents.
14863 (build_constant_desc): Create a block symbol if use_object_blocks_p
14864 says so. Or into SYMBOL_REF_FLAGS.
14865 (assemble_constant_contents): New function, split from...
14866 (output_constant_def_contents): ...here. Don't output any code
14867 for block symbols; just pass them to place_section_symbol.
14868 Use get_constant_section and get_constant_alignment.
14869 (force_const_mem): Create a block symbol if use_object_blocks_p and
14870 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14871 (output_constant_pool_1): Add an explicit alignment argument.
14872 Don't switch sections here.
14873 (output_constant_pool): Adjust call to output_constant_pool_1.
14874 Switch sections here instead. Don't output anything for block symbols;
14875 just pass them to place_block_symbol.
14876 (init_varasm_once): Initialize object_block_htab.
14877 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14878 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14879 (place_block_symbol, get_section_anchor, output_object_block)
14880 (output_object_block_htab, output_object_blocks): New functions.
14881 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14882 (TARGET_ASM_OUT): Include it.
14883 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14884 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14885 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14886 (TARGET_INITIALIZER): Include them.
14887 * rtl.c (rtl_check_failed_block_symbol): New function.
14888 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14889 (block_symbol, object_block): New structures.
14890 (rtx_def): Add a block_symbol field to the union.
14891 (BLOCK_SYMBOL_CHECK): New macro.
14892 (rtl_check_failed_block_symbol): Declare.
14893 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14894 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14895 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14896 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14897 * output.h (output_section_symbols): Declare.
14898 (object_block): Name structure.
14899 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14900 (default_use_anchors_for_symbol_p): Declare.
14901 * Makefile.in (RTL_BASE_H): Add vec.h.
14902 (explow.o): Depend on output.h.
14903 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14904 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14905 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14906 (rs6000_use_blocks_for_constant_p): New function.
14908 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14910 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14912 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14915 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14918 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14920 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14924 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14926 PR middle-end/26334
14927 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14928 instead of DECL_REGISTER.
14930 2006-02-18 Olivier Hainque <hainque@adacore.com>
14933 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14935 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14938 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14939 * opth-gen.awk: Handle Var and InverseMask together.
14940 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14941 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14942 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14943 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14945 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14946 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14947 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14948 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14949 LINUX_DYNAMIC_LINKER): Define.
14950 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14951 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14953 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14954 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14955 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14956 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14957 (TARGET_C99_FUNCTIONS): Don't define.
14958 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
14959 GLIBC_DYNAMIC_LINKER.
14960 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
14961 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
14962 GLIBC_DYNAMIC_LINKER64): Define.
14963 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14964 LINUX_DYNAMIC_LINKER64.
14965 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14966 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14967 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
14968 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14969 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14970 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14971 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
14972 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
14973 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
14974 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
14975 and LINUX_DYNAMIC_LINKER32.
14976 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14977 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14978 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
14979 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14980 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
14982 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
14983 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
14984 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14985 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14986 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14987 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
14988 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
14989 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
14990 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14991 LINUX_DYNAMIC_LINKER): Define.
14992 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
14993 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
14994 GLIBC_DYNAMIC_LINKER64): Define.
14995 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
14996 LINUX_DYNAMIC_LINKER64.
14997 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14998 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
14999 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15000 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15001 LINUX_DYNAMIC_LINKER): Define.
15002 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15003 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15004 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15005 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15006 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15007 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15008 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15009 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15010 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15011 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15012 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15013 * doc/invoke.texi (-muclibc): Remove caveat about supported
15016 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15018 * doc/cpp.texi (__TIMESTAMP__): Document.
15020 2006-02-17 Roger Sayle <roger@eyesopen.com>
15022 PR middle-end/25600
15023 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15024 C is one less than the width of X (and related transformations).
15025 * simplify-rtx.c (simplify_unary_operation_1): Transform
15026 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15027 depending on STORE_FLAG_VALUE, were C is one less then the
15030 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15032 Fix PR tree-optimization/26341
15033 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15034 about NAME_MEMORY_TAG's.
15036 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15039 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15040 with hardware float support, and software float support. Add fcpy
15041 alternative to hardware patterns. Add alternatives to copy between
15042 general and floating-point registers to the 32-bit pattern.
15043 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15044 secondary reload to load a QI or HI mode constant into a floating
15046 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15047 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15049 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15052 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15054 (load_macho_picbase_di): Likewise.
15056 2006-02-16 Jeff Law <law@redhat.com>
15058 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15059 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15060 (ssa_name_nonzero_p): Likewise.
15061 (get_value_range): Return NULL if VRP is not running.
15062 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15063 VRP routines do not discover a range.
15064 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15065 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15066 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15067 (tree_expr_nonnegative_p): Similarly.
15068 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15069 (restore_nonzero_vars_to_original_value): Remove.
15070 (unsafe_associative_fp_binop): Remove.
15071 (tree_ssa_dominator_optimize): Remove initialization and
15072 finalization of nonzero_vars and nonzero_vars_stack.
15073 (dom_opt_initialize_block): No longer push marker on
15074 nonzero_vars_stack.
15075 (dom_opt_finalize_block): No longer call
15076 restore_nonzero_vars_to_original_value.
15077 (record_equivalences_from_phis): No longer look for
15078 nonzero PHI arguments.
15079 (cprop_into_successor_phis): No longer propagate nonzero
15080 property into PHI arguments. Lose unused argument. Caller
15082 (record_equivalences_from_stmt): No longer record nonzero
15083 values for SSA_NAMEs.
15084 (lookup_avail_expr): No longer use nonzero_vars.
15086 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15087 for sizetype when sizetype is unsigned.
15089 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15091 PR rtl-optimization/25603
15092 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15093 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15094 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15095 with new meaning of SETS.
15097 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15102 * config/linux.opt: New file.
15103 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15104 LINUX_DYNAMIC_LINKER): Define.
15105 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15106 * config.gcc (*-*-linux*): Define extra_options.
15107 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15108 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15109 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15110 GLIBC_DYNAMIC_LINKER.
15111 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15112 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15113 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15114 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15115 * doc/invoke.texi (GNU/Linux Options): New section.
15117 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15119 * config/sparc/sparc.md (setjmp): Rewrite.
15120 (setjmp_32): Delete.
15121 (setjmp_64): Likewise.
15123 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15125 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15128 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15130 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15133 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15135 PR rtl-optimization/26296
15136 * Makefile.in (loop-invariant.c): Add except.h dependency.
15137 * loop-invariant.c: Include except.h.
15138 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15140 2005-02-16 Paul Brook <paul@codesourcery.com>
15142 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15145 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15147 PR rtl-optimization/25636
15148 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15149 when deciding whether an insn is an initializing insn.
15151 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15153 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15154 (tree_code_size): Ditto.
15155 * tree.h (struct tree_memory_tag): Remove parent_var.
15156 (struct tree_struct_field_tag): New.
15159 (union tree_node): Add sft member.
15160 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15162 (create_sft): Add size and offset argument, set SFT_OFFSET and
15164 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15165 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15166 * tree-flow-inline.h (get_subvar_at): Update for
15167 SFT_OFFSET/SFT_SIZE.
15168 (var_can_have_subvars): Ditto.
15169 (overlap_subvar): Ditto.
15170 * print-tree.c (print_node): Print out interesting things for
15172 * tree-flow.h (struct subvar): Remove offset and size members.
15173 * tree-ssa-operands.c (get_expr_operands): Update for
15174 get_indirect_ref_operands changes.
15175 (get_indirect_ref_operands): Call add_virtual_operand instead of
15176 add_stmt_operand. Only recurse on base var if requested.
15177 (access_can_touch_variable): New function.
15178 (add_stmt_operand): Split virtual operand handling into ...
15179 (add_virtual_operand): Here. Add offset, size, and for_clobber
15180 arguments. Prune alias sets.
15181 (add_call_clobber_ops): Call add_virtual_operand.
15183 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15185 PR middle-end/26300
15186 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15188 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15189 than TREE_CODE as index into omp_clause_num_ops array.
15191 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15193 PR rtl-optimization/26184
15194 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15196 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15197 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15198 must_precede, must_follow and tobe_scheduled.
15201 * opts.c (common_handle_option): Free new_option pointer.
15202 * df-core.c (df_analyze): Free postorder pointer.
15204 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15206 * Makefile.in: Fix the examples about the use of stamps
15208 2006-02-15 Michael Matz <matz@suse.de>
15210 PR middle-end/22275
15212 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15213 influenced by maximum_field_alignment or DECL_PACKED.
15214 (update_alignment_for_field): Ditto.
15215 (place_field): Ditto.
15216 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15219 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15221 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15222 (debug_flow_info): Pass it.
15223 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15224 * bb-reorder.c (reorder_basic_blocks): Likewise.
15225 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15226 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15227 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15228 * gcse.c (gcse_main, bypass_jumps): Likewise.
15229 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15230 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15231 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15232 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15233 * rtl.h (dump_flow_info): Adjust prototype.
15234 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15235 * var-tracking.c (variable_tracking_main): Likewise.
15236 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15237 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15240 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15242 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15245 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15247 PR tree-optimization/26209
15248 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15249 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15251 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15253 2006-02-14 Roger Sayle <roger@eyesopen.com>
15255 PR middle-end/23670
15256 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15257 (X,Y) and the corresponding symmetry related transformations.
15258 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15259 (X,Y) and its symmetry related transformations.
15261 2006-02-14 Roger Sayle <roger@eyesopen.com>
15263 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15266 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15268 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15270 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15273 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15274 support COMDAT group.
15275 * configure: Regenerate.
15277 2006-02-14 Roger Sayle <roger@eyesopen.com>
15279 PR middle-end/26279
15280 PR middle-end/26280
15281 PR middle-end/26283
15282 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15284 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15286 Fix PR tree-optimization/26260
15288 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15290 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15291 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15292 * tree-ssa-structalias.c (create_variable_info_for): Use
15293 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15295 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15297 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15299 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15300 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15301 of the ending condition.
15302 * tree-ssa-loop-manip.c: Include params.h.
15303 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15304 tree_unroll_loop): New functions.
15305 * tree-pass.h (pass_loop_prefetch): Declare.
15306 * loop.c (rest_of_handle_loop_optimize): Test for
15307 -fprefetch-loop-arrays-rtl.
15308 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15309 * timevar.def (TV_TREE_PREFETCH): New timevar.
15310 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15311 pass_loop_prefetch): New.
15312 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15313 (cleanup_tree_cfg_loop): Call scev_reset.
15314 * common.opt (fprefetch-loop-arrays-rtl): Add.
15315 * tree-ssa-loop-prefetch.c: New file.
15316 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15317 (new_temp_expr_table): Initialize expr_vars.
15318 (free_temp_expr_table): Cleanup expr_vars.
15319 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15320 expressions from being merged into one.
15321 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15322 (struct tree_niter_desc): Add control, bound and cmp fields.
15323 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15325 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15326 (tree-cfgcleanup.o): Add SCEV_H dependency.
15327 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15328 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15330 2006-02-14 Richard Guenther <rguenther@suse.de>
15332 PR tree-optimization/26258
15333 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15334 in PHI argument processing.
15336 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15338 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15339 new expression in the requested machine mode.
15341 2006-02-13 Roger Sayle <roger@eyesopen.com>
15343 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15344 directly, instead let do_compare_rtx_and_jump handle this for us.
15345 * expr.c (expand_expr_real_1): Likewise.
15346 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15347 before do_jump_by_parts_greater.
15348 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15349 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15351 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15353 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15355 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15357 PR rtl-optimization/26235
15358 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15359 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15362 2006-02-13 Jeff Law <law@redhat.com>
15364 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15367 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15369 PR middle-end/26092
15370 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15371 twice if decl is a builtin. When trying again, call get_callee_fndecl
15372 first to verify it is still a builtin.
15374 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15376 * dwarf2out.c (base_type_die): Don't add AT_name here.
15377 (subrange_type_die): Don't add AT_name here.
15378 (modified_type_die): Rearrange code flow. Do add AT_name here.
15380 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15382 PR rtl-optimization/26247
15383 PR rtl-optimization/26248
15384 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15386 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15388 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15389 * config/fixtfdi.c: Likewise.
15390 * config/fixunstfdi.c: Likewise.
15391 * config/floatditf.c: Likewise.
15393 2006-02-13 Roger Sayle <roger@eyesopen.com>
15395 PR middle-end/24427
15396 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15397 into (X,C2) if C1 is a subset of the bits of C2. Transform
15398 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15400 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15402 2006-02-13 Josh Conner <jconner@apple.com>
15405 * varasm.c (function_section): Check for section name before
15406 calling select_section on targets that define
15407 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15408 unlikely_text_section instead of hot_function_section if
15409 first_function_block_is_cold.
15411 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15413 PR middle-end/25335
15414 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15416 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15418 PR rtl-optimization/26222
15419 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15420 after tree->rtl expansion.
15421 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15422 before passing it to emit_move_insn.
15424 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15426 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15428 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15429 Clarify documentation.
15430 * c-common.h (warn_write_strings): Remove.
15431 * c-common.c (warn_write_strings): Likewise.
15432 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15435 2006-02-12 Roger Sayle <roger@eyesopen.com>
15437 PR middle-end/25724
15438 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15439 (do_jump_parts_zero_rtx): New function renamed from
15440 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15441 (do_jump_parts_equality_rtx): New function split out from
15442 do_jump_parts_equality. Old implementation renamed as above.
15443 Call do_jump_parts_zero_rtx if either operand is zero.
15444 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15445 do all of the heavy lifting.
15446 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15447 calling either do_jump_by_parts_greater_rtx or
15448 do_jump_by_parts_equality_rtx.
15449 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15450 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15451 moved to do_compare_rtx_and_jump, call it directly.
15452 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15453 mode argument. Call do_compare_rtx_and_jump.
15454 (emit_case_nodes): Update calls to do_jump_if_equal.
15456 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15458 PR rtl-optimization/26225
15459 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15461 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15463 PR rtl-optimization/26232
15464 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15466 2006-02-11 Jason Merrill <jason@redhat.com>
15469 * tree-inline.c (declare_return_variable): Just don't use the
15470 modify target if it's a gimple complex reg and the return slot
15473 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15475 * doc/contrib.texi: Update my entry.
15477 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15479 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15481 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15483 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15486 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15488 * doc/invoke.texi (-floop-optimize2): Removed.
15489 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15490 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15491 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15492 * common.opt (floop-optimize2): Removed.
15493 (fmove-loop-invariants): Enabled by default.
15495 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15497 * tree-if-conv.c (combine_blocks): Free the result of
15498 get_loop_exit_edges.
15500 2006-02-10 Jeff Law <law@redhat.com>
15502 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15504 PR tree-optimization/26213
15505 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15506 loop trying to follow SSA_NAME_VALUE chains.
15508 2006-02-10 Richard Guenther <rguenther@suse.de>
15510 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15511 deal with structures that end in implicitly variable sized arrays.
15513 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15515 PR rtl-optimization/24762
15516 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15519 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15521 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15522 (struct ivopts_data): Add regs_used field.
15523 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15524 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15525 instead of loop_data->regs_used;
15526 (free_loop_data): Do not free aux fields for loops.
15527 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15528 and tree_ssa_iv_optimize_finalize.
15530 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15532 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15534 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15537 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15538 computing the effective result type.
15540 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15542 PR inline-asm/16194
15543 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15544 (tree_overlaps_hard_reg_set): Declare.
15545 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15546 type and signature to match function type expected by walk_tree.
15547 (tree_overlaps_hard_reg_set): New function.
15548 (decl_conflicts_with_clobbers_p): Rename to:
15549 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15550 Use tree_overlaps_hard_reg_set. Changed caller.
15551 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15552 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15553 * cris.c (cris_md_asm_clobbers): Likewise.
15555 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15557 * reload1.c (emit_input_reload_insns): Delete code that tries to
15558 inherit using find_equiv_reg.
15560 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15562 * c-common.h (flag_const_strings): Don't declare.
15563 * c-common.c (flag_const_strings): Remove.
15564 * c.opt (fconst_strings): Remove.
15565 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15566 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15567 (c_common_init_options): Don't set flag_const_strings.
15568 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15570 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15572 * arm.md (tlobits_cbranch): New pattern.
15573 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15574 testing a single bit.
15576 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15579 * tree-ssa-pre.c (create_component_ref_by_pieces):
15580 Handle RETURN_DECL like VAR_DECL.
15582 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15584 PR middle-end/26134
15585 * fold-const.c (fold_indirect_ref_1): Fold
15586 "*(foo *)&complexfoo" to "__real__ complexfoo"
15587 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15589 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15591 * tree-flow-inline.h (var_can_have_subvars):
15592 Volatile variables should not have subvariables.
15594 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15597 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15598 multiplying unsigned values.
15601 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15603 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15605 2006-02-08 Jason Merrill <jason@redhat.com>
15608 * tree.def: Elaborate on difference from MODIFY_EXPR.
15609 * doc/c-tree.texi (INIT_EXPR): Likewise.
15610 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15611 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15612 (gimplify_target_expr): Likewise.
15613 (gimplify_cond_expr): Remove target handling.
15614 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15615 (gimplify_expr): Clobber it here.
15616 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15617 Do return slot optimization if we have an INIT_EXPR.
15620 * tree-inline.c (declare_return_variable): Also clear
15621 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15624 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15626 PR middle-end/22439
15627 * gimplify.c (gimplify_one_sizepos): Fix typo.
15629 2006-02-08 Jeff Law <law@redhat.com>
15631 PR tree-optimization/21417
15632 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15633 across a backedge if the control statement at the end of the
15634 block is data dependent on other statements in the same block.
15635 (record_temporary_equivalences_from_stmts): Remove over-conservative
15636 test for threading across backedges.
15638 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15639 control statement, handle all three special cases in the same
15640 manner as they all have the same desired solution. No longer
15641 special case edge flag updating when the post dominator is
15644 2006-02-08 Roger Sayle <roger@eyesopen.com>
15646 * tree.def (CHAR_TYPE): Remove.
15647 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15648 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15649 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15650 (gen_string_type_die): Delete unreachable function.
15652 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15653 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15654 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15655 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15656 * builtins.c (type_to_class): Likewise.
15657 * fold-const.c (fold_convert, build_range_check,
15658 merge_ranges): Likewise.
15659 * expr.c (count_type_elements): Likewise.
15660 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15661 * stor-layout.c (layout_type): Likewise.
15662 * ipa-type-escape.c (type_to_consider): Likewise.
15663 * gimplify.c (omp_firstprivatize_type_sizes,
15664 gimplify_type_sizes): Likewise.
15665 * explow.c (promote_mode): Likewise.
15666 * tree-sra.c (is_sra_scalar_type): Likewise.
15667 * varasm.c (output_constant): Likewise.
15668 * tree-inline.c (remap_type_1): Likewise.
15669 * convert.c (convert_to_pointer, convert_to_real,
15670 convert_to_integer, convert_to_complex): Likewise.
15672 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15674 * df-scan.c (df_def_record_1): A set destination may
15675 be a parallel regardless of mode.
15677 2006-02-08 Roger Sayle <roger@eyesopen.com>
15680 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15681 * config/mips/_tilib.c: Remove.
15682 * config/fixtfdi.c: New libgcc source file.
15683 * config/fixunstfdi.c: New source file.
15684 * config/floatditf.c: New source file.
15685 * config/floatunditf.c: New souce file.
15686 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15687 files above instead of config/mips/_tilib.c.
15688 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15690 2006-02-08 Jeff Law <law@redhat.com>
15692 PR tree-optimization/26169
15693 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15696 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15698 * df.h (DF_REG_SIZE): Return the length of the initialized
15701 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15703 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15704 __muldf3): Return a correctly signed zero.
15706 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15708 * passes.c (register_one_dump_file): Accept the current properties
15709 instead of pass number. Adjust call to dump_register. Remove
15711 (register_dump_files): Now a wrapper around...
15712 (register_dump_files_1): ... this one. Do not modify the pass
15714 (next_pass_1): Cosmetic fix.
15715 (execute_todo): Keep second parameter only. Use curr_properties
15716 instead of fetching it from the pass structure. Check and set
15718 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15719 instead of fetching it from the pass structure. Fix calls to
15720 execute_todo. Update curr_properties and initialize .vcg RTL dump
15721 after running the pass. Reset last_verified.
15722 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15724 (FIRST_AUTO_NUMBERED_DUMP): New.
15725 (dump_register): Remove "num" parameter, assign it within the
15727 (get_dump_file_name): Modify template for dumps.
15728 * tree-dump.h (dump_register): Adjust prototype.
15729 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15730 (PROP_trees): Add PROP_gimple_lomp.
15731 (TODO_set_props): New.
15732 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15733 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15734 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15736 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15738 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15739 (sparc64-*-linux*): Likewise.
15740 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15741 * config/sparc/t-linux: New file.
15742 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15743 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15744 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15745 -m32 -mlong-double-128.
15747 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15748 * config/alpha/t-linux: New file.
15749 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15751 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15752 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15753 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15754 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15755 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15756 (CPP_ARCH32_SPEC): Remove.
15758 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15760 PR tree-optimization/26145
15761 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15764 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15767 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15768 >= 240000 when generating code for SOM runtime.
15769 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15770 to $$dyncall when generating code for SOM runtime..
15772 2006-02-07 Dirk Mueller <dmueller@suse.com>
15775 * doc/invoke.texi (-Wsequence-point): Update documentation
15776 that -Wsequence-point is implemented for C++ as well.
15778 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15780 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15781 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15782 (LIB_SPEC): Likewise.
15783 * doc/invoke.texi (SPARC options): Document -pthread.
15785 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15787 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15790 2006-02-07 Roger Sayle <roger@eyesopen.com>
15792 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15793 Correct comment describing BOOLEAN_TYPE.
15795 2006-02-07 Dirk Mueller <dmueller@suse.com>
15797 * c.opt: C++ frontend supports -Wdiv-by-zero.
15798 * c-opts.c (c_common_handle_option): Remove dead case.
15800 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15802 * configure.ac (TLS assembler check): Do not enable TLS by
15803 default on SPARC/Solaris before version 10.
15804 * configure: Regenerate.
15806 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15808 * doc/invoke.texi (xl-compat): Document conversion and support
15811 2006-02-07 Jeff Law <law@redhat.com>
15813 * tree-vrp.c (find_conditional_asserts): Update comments.
15814 (simplify_stmt_for_jump_threading): New.
15815 (identify_jump_threads, finalize_jump_threads): New.
15816 (vrp_finalize): Call identify_jump_threads.
15817 (execute_vrp): Call finalize_jump_threads.
15818 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15819 (vrp_element, vrp_data, vrp_element_p): Remove.
15820 (vrp_hash_elt, vrp_variables_stack): Remove.
15821 (vrp_hash, vrp_eq, record_range): Remove.
15822 (simplify_cond_and_lookup_avail_expr): Remove.
15823 (extract_range_from_cond): Remove.
15824 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15825 (simplify_stmt_for_jump_threading): New.
15826 (dom_thread_across_edge): New wrapper.
15827 (tree_ssa_dominator_optimize): No longer initialize or
15828 finalize any of the VRP datastructures. Remove iteration
15829 step and simplify as a result of removal of iteration step.
15830 (pass_dominator): Perform a cfg cleanup after DOM.
15831 (dom_opt_finalize_block): Use the new common routines
15832 for threading jumps. Simplify stack management slightly.
15833 No longer need to unwind VRP state.
15834 (record_equivalences_from_incoming_edge): No longer record
15836 (eliminate_redundant_computations): No longer call
15837 simplify_cond_and_lookup_avail_expr.
15838 * tree-flow.h (potentially_threadable_block): Prototype.
15839 (thread_across_edge): Likewise.
15840 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15841 (tree-ssa-threadedge.o): Add dependencies.
15842 * tree-ssa-threadedge.c: New file.
15843 * passes.c (init_optimization_passes): Merge PHIs before
15844 calling VRP. Run VRP again late in the SSA optimization pipeline.
15846 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15848 * df-core.c (df_set_blocks): Do not dereference function pointers.
15849 (df_finish1): Likewise.
15850 (df_hybrid_search_forward): Likewise.
15851 (df_hybrid_search_backward): Likewise.
15852 (df_iterative_dataflow): Likewise.
15853 (df_analyze_problem): Likewise.
15854 (df_compact_blocks): Likewise.
15855 (df_dump): Likewise.
15856 * df-scan.c (df_rescan_blocks): Likewise.
15857 (df_record_entry_block_defs): Likewise.
15859 * genconditions.c (write_conditions): Guard the definition of
15860 'insn_conditions' with the check on GCC version.
15861 (write_writer): Guard the traversal 'insn_conditions' with
15862 the check on GCC version.
15864 2006-02-07 Richard Guenther <rguenther@suse.de>
15868 2006-01-30 Richard Guenther <rguenther@suse.de>
15870 * gimplify.c (gimplify_target_expr): Handle easy cases
15871 without creating a temporary.
15873 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15875 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15876 use of float in probability computations. Use edge probabilities
15877 in place of statically computed probabilities.
15878 (min_spec_prob): New static variable.
15879 (schedule_insns): Initialize it.
15880 (GET_SRC_PROB): Removed.
15881 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15883 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15886 * config/ia64/unwind-ia64.c: Revert last change.
15887 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15888 (INCOMING_FRAME_SP_OFFSET): Define.
15890 2006-02-06 Roger Sayle <roger@eyesopen.com>
15892 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15894 2006-02-07 Ben Elliston <bje@au.ibm.com>
15896 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15897 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15898 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15899 (ix86_return_in_memory): Handle TDmode.
15900 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15901 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15903 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15905 * reorg.c (dbr_schedule): Use dump_file instead of file.
15907 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15910 * config/ia64/predicates.md (extr_len_operand): New predicate.
15911 * config/ia64/ia64.md (extv): Tighten constraints.
15913 (*tbit_and_2): Ditto.
15914 (*tbit_and_3): Ditto.
15915 (*tbit_or_2): Ditto.
15916 (*tbit_or_3): Ditto.
15917 (*bit_zero): Ditto.
15920 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15923 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15925 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15927 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15928 loop_optimizer_init and loop_optimizer_finalize
15929 * tree-ssa-sink.c (execute_sink_code): Ditto.
15930 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15931 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15932 tree_ssa_loop_done): Ditto.
15933 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15934 * sched-ebb.c: Include output.h.
15935 (schedule_ebbs): Do not use dump argument.
15936 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15937 * loop.c (loop_dump_stream): Removed.
15938 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15940 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15941 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15942 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15943 loop_iterations, strength_reduce, record_biv, record_giv,
15944 final_giv_value, check_final_value, check_ext_dependent_givs,
15945 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15946 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15947 dump_file instead of loop_dump_stream.
15948 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15949 argument dump_file.
15950 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15952 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15953 * haifa-sched.c: Include output.h
15954 (schedule_insns, sched_init): Do not use dump argument.
15955 * mode-switching.c (optimize_mode_switching): Ditto.
15956 * modulo-sched.c (stats_file): Removed.
15957 (print_node_sched_params): Do not call argument dump_file.
15958 (sms_schedule_by_order, loop_canon_p, sms_schedule,
15959 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
15961 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
15963 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
15964 rtl_loop_init, rtl_loop_done): Ditto.
15965 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
15966 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
15968 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
15969 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
15970 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
15971 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
15972 * emit-rtl.c (renumber_insns): Ditto.
15973 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
15974 expand_gimple_basic_block, tree_expand_cfg): Ditto.
15975 * regclass.c (regclass): Ditto.
15976 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
15977 remove_ssa_form, rewrite_out_of_ssa): Ditto.
15978 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
15979 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
15981 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
15982 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
15984 * gcse.c (gcse_file, debug_stderr): Removed.
15985 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
15986 rest_of_handle_gcse): Do not use dump argument.
15987 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
15988 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
15989 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
15990 compute_code_hoist_vbeinout, compute_code_hoist_data,
15991 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
15992 compute_store_table, build_store_vectors, insert_insn_start_bb,
15993 insert_store, remove_reachable_equiv_notes, replace_store_insn,
15994 store_motion): Use dump_file instead of gcse_file.
15995 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
15996 * profile.c (profile_dump_file): Removed.
15997 (branch_prob): Use dump_file instead of profile_dump_file.
15998 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16000 * tree-ssa-copy.c (dump_copy_of): Ditto.
16001 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16002 dump file to life_analysis.
16003 * bt-load.c (branch_target_load_optimize): Ditto.
16004 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16006 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16007 regclass, dbr_schedule): Declaration changed.
16008 * sched-int.h (sched_init): Declaration changed.
16009 * tree-profile.c (tree_profile_dump_file): Removed.
16010 (tree_profile_hooks): Removed profile_dump_file hook.
16011 * rtl-profile (rtl_profile_dump_file): Removed.
16012 (rtl_profile_hooks): emoved profile_dump_file hook.
16013 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16015 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16016 * tree-cfg.c (build_tree_cfg): Ditto.
16017 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16018 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16019 Declaration changed.
16020 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16021 life_analysis and schedule_insns.
16022 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16024 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16026 * config/mips/mips.c (mips_reorg): Ditto.
16027 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16030 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16032 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16033 (s390_mangle_fundamental_type): New.
16034 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16037 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16038 (alpha_mangle_fundamental_type): New.
16039 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16042 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16044 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16046 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16047 (sparc_mangle_fundamental_type): New.
16049 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16051 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16052 (s390x-*-linux*): Likewise.
16053 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16054 * config/s390/t-linux: New file.
16056 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16058 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16059 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16061 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16063 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16064 (ANTIC_SAFE_LOADS): New macro.
16065 (find_or_generate_expression): Add prototype.
16066 (set_contains_value): Allow null set for sake of not always having
16067 to allocate ANTIC_SAFE_LOADS.
16068 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16069 Allow COMPONENT_REF too.
16070 (valid_in_set): Allow COMPONENT_REF.
16071 Check ANTIC_SAFE_LOADS too.
16072 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16073 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16075 (can_PRE_operation): Add COMPONENT_REF.
16076 (create_component_ref_by_pieces): New function.
16077 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16078 (insert_aux): Move AGGREGATE_TYPE_P check here.
16079 (compute_avail): Set bb local stmt uids.
16080 (pass_pre): Use TODO_update_ssa_only_virtuals.
16082 2006-02-06 Ben Elliston <bje@au.ibm.com>
16084 * configure.ac: Unconditionally disable decimal float by default.
16085 * configure: Regenerate.
16087 2006-02-06 Ben Elliston <bje@au.ibm.com>
16089 * read-rtl.c (read_name): Terminate reading on EOF.
16091 2006-02-06 Ben Elliston <bje@au.ibm.com>
16093 * dfp.c (decimal_real_arithmetic): Change second argument type
16094 from int to enum tree_code. Do not always return true, but now
16095 return result of any call to decimal_do helper functions.
16096 * dfp.h (decimal_real_arithmetic): Update prototype.
16098 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16100 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16102 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16105 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16108 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16110 * tree-vrp.c (cfg_loops): Removed.
16111 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16112 Use current_loops instead of cfg_loops. Pass flags to
16113 loop_optimizer_init.
16114 * cfgloopmanip.c (fix_loop_structure): Update only available
16116 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16117 loop_optimizer_init.
16118 * modulo-sched.c (build_loops_structure): Removed.
16119 (sms_schedule): Use loop_optimizer_init.
16120 * loop-init.c (loop_optimizer_init): Use flags to determine
16121 which properties of loops to prepare.
16122 (rtl_loop_init): Pass flags to loop_optimizer_init.
16123 * tree-ssa-sink.c (execute_sink_code): Ditto.
16124 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16125 * tree-ssa-pre.c (init_pre): Ditto.
16126 * cfgloop.h (LOOPS_NORMAL): New.
16127 (loop_optimizer_init): Declaration changed.
16129 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16131 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16132 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16134 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16136 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16138 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16139 * pa/t-pa64: Delete quadlib.c rule.
16140 * pa/x-ada: Revert last change.
16141 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16143 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16145 PR rtl-optimization/26087
16146 * rtlanal.c (canonicalize_condition): Do not cross basic block
16149 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16152 * config/ia64/ia64.c: Include debug.h.
16153 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16154 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16155 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16156 (process_epilogue, process_set, process_for_unwind_directive):
16157 Output unwind info only if requested. Add CFA info if requested.
16158 Add new arguments as needed. Adjust callers.
16159 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16161 (DWARF2_FRAME_INFO): Define to zero.
16162 * config/ia64/unwind-ia64.c: Remove code that compensated for
16163 the CFA offset error fixed above.
16164 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16165 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16166 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16167 -funwind-tables and -fexceptions to enable frame info.
16168 (dwarf2out_frame_init): Define initial CFA even if
16169 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16170 DWARF2_UNWIND_INFO is nonzero, not just defined.
16171 (dwarf2out_frame_finish): Output non-EH call frame info only
16172 if DWARF2_FRAME_INFO is nonzero.
16173 (convert_cfa_to_loc_list,
16174 compute_frame_pointer_to_cfa_displacement): Define even if
16175 unwind info is not supported.
16176 (gen_subprogram_die): Use the above unconditionally. Remove
16177 legacy alternate code.
16178 * toplev.c (compile_file): Compile in call to
16179 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16180 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16182 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16183 Jakub Jelinek <jakub@redhat.com>
16185 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16186 IBM extended float format long double as "g" on powerpc*-linux.
16188 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16191 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16192 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16194 2006-02-03 Jason Merrill <jason@redhat.com>
16197 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16199 PR middle-end/25977
16200 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16201 on the return slot if it's an NRV.
16203 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16205 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16206 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16207 rewrite_use): Do not handle USE_OUTER.
16208 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16209 add_iv_outer_candidates, may_replace_final_value,
16210 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16211 (find_interesting_uses_op): Functionality of
16212 find_interesting_uses_outer_or_nonlin moved here.
16213 (find_interesting_uses_outside): Use find_interesting_uses_op.
16215 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16218 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16220 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16221 Ulrich Weigand <uweigand@de.ibm.com>
16224 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16225 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16226 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16227 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16229 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16230 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16231 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16232 Define secondary reloads for TFmode moves.
16233 (constant_modes): Add TFmode.
16234 (NR_C_MODES): Set to 8.
16235 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16237 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16238 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16239 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16240 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16241 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16242 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16243 (FPR mode macro): Add TFmode.
16244 (DSF mode macro): New.
16245 (<de>, <dee> mode attributes): Removed.
16246 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16247 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16248 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16249 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16250 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16251 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16252 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16253 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16254 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16255 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16256 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16257 "*negabs<mode>2", "sqrt<mode>2"):
16258 Changed <de> to <xde>. R constraint replaced by <Rf>.
16259 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16261 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16262 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16263 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16265 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16266 "extenddftf2", "extendsftf2"): New expanders.
16267 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16268 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16269 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16270 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16272 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16273 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16274 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16275 __floatditf): Add a GCC_4.1.0 symbol version tag.
16276 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16279 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16282 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16283 Use targetm.binds_local_p instead of TREE_PUBLIC.
16285 2006-02-02 Roger Sayle <roger@eyesopen.com>
16287 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16288 on INTEGER_TYPEs to indicate that it denotes a character type.
16289 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16290 signed_char_type_node, unsigned_char_type_node and char_type_node.
16291 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16292 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16293 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16295 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16296 Daniel Berlin <dberlin@dberlin.org>
16298 * tree-tailcall.c (arg_needs_copy_p): New function.
16299 (eliminate_tail_call): Use arg_needs_copy_p.
16300 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16301 (add_virtual_phis): New function.
16303 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16305 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16306 #ignore instead of #scratch for %g7 .register directive.
16308 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16310 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16313 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16315 * flow.c (calculate_global_regs_live): Assert that there aren't any
16318 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16320 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16321 what its name says.
16322 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16323 bsi_after_labels iterator.
16324 * tree-if-conv.c (find_phi_replacement_condition,
16325 replace_phi_with_cond_modify_expr): Likewise.
16326 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16327 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16329 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16331 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16333 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16336 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16337 array after growing it.
16339 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16341 PR middle-end/24901
16342 * fold-const.c (fold_checksum_tree): Change type of buf.
16344 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16346 * reload.c (push_secondary_reload): Initialize t_icode.
16348 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16350 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16351 -msoft-float -mlong-double-128 only issue a warning, but don't
16352 swich to DFmode long double.
16354 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16356 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16357 has a constant equivalent, iterate over equivalents for arg0,
16358 calling simplify_relational_operation and if there's a result
16359 cheaper than X, apply fold_rtx and return the result.
16361 2006-02-01 Jan Hubicka <jh@suse.cz>
16363 * opts.c (no_unit_at_a_time_default): New global variable.
16364 (decode_options): Use it.
16365 * opts.h (no_unit_at_a_time_default): Declare.
16367 2006-02-01 Paul Brook <paul@codesourcery.com>
16369 * function.c (assign_parm_setup_reg): Use function argument promotion
16371 * expr.c (expand_expr_real_1): Use function argument promotion rules
16374 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16376 * gcc.c (process_command): Change j to 'unsigned int'.
16378 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16380 PR middle-end/26001
16381 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16382 Use the corrected index for the character
16383 out of the string constant.
16385 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16387 * mode-switching.c (optimize_mode_switching): Fix size
16388 allocated for bb_info[n_entities].
16390 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16392 * gcc.c (main): Correct type that is allocated for
16393 explicit_link_files.
16395 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16397 * config/s390/s390.c (init_alignment_context): Set
16398 ALIAS_SET_MEMORY_BARRIER on the MEM.
16399 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16401 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16403 PR middle-end/25933
16404 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16406 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16409 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16411 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16412 * regrename.c: Ditto.
16413 * tree-ssa-loop-im.c: Ditto.
16414 * tree-dump.c: Ditto.
16415 * tree-complex.c: Ditto.
16416 * genrecog.c: Ditto.
16417 * tree-ssa-threadupdate.c: Ditto.
16419 * java/class.c: Ditto.
16420 * java/jcf-parse.c: Ditto.
16421 * java/resource.c: Ditto.
16422 * java/except.c: Ditto.
16423 * java/jvspec.c: Ditto.
16424 * java/jcf-write.c: Ditto.
16425 * java/jcf-path.c: Ditto.
16426 * java/gjavah.c: Ditto.
16427 * java/zextract.c: Ditto.
16428 * java/jcf-io.c: Ditto.
16429 * java/jcf.h: Ditto.
16430 * java/buffer.c: Ditto.
16431 * java/lang.c: Ditto.
16432 * java/parse-scan.y: Ditto.
16433 * java/lex.c: Ditto.
16434 * java/lex.h: Ditto.
16435 * cfgloopmanip.c: Ditto.
16436 * postreload-gcse.c: Ditto.
16437 * tree-ssa-loop-manip.c: Ditto.
16438 * postreload.c: Ditto.
16439 * tree-ssa-loop-ch.c: Ditto.
16442 * cppspec.c: Ditto.
16443 * diagnostic.c: Ditto.
16445 * genoutput.c: Ditto.
16447 * cfghooks.c: Ditto.
16448 * cfgloopanal.c: Ditto.
16449 * objc/objc-act.c: Ditto.
16451 * genextract.c: Ditto.
16452 * genautomata.c: Ditto.
16453 * pretty-print.c: Ditto.
16454 * genemit.c: Ditto.
16455 * cgraphunit.c: Ditto.
16457 * df-scan.c: Ditto.
16458 * haifa-sched.c: Ditto.
16459 * dominance.c: Ditto.
16461 * tree-ssa-loop-ivopts.c: Ditto.
16462 * df-core.c: Ditto.
16463 * mode-switching.c: Ditto.
16464 * modulo-sched.c: Ditto.
16466 * ipa-pure-const.c: Ditto.
16468 * fix-header.c: Ditto.
16470 * tree-stdarg.c: Ditto.
16471 * ipa-utils.c: Ditto.
16472 * loop-init.c: Ditto.
16473 * ipa-inline.c: Ditto.
16474 * cfganal.c: Ditto.
16476 * alloc-pool.c: Ditto.
16477 * dwarf2out.c: Ditto.
16479 * genattrtab.c: Ditto.
16480 * tree-ssa-loop-ivcanon.c: Ditto.
16481 * predict.c: Ditto.
16482 * timevar.c: Ditto.
16484 * fortran/gfortranspec.c: Ditto.
16485 * regmove.c: Ditto.
16486 * local-alloc.c: Ditto.
16487 * langhooks.c: Ditto.
16488 * function.c: Ditto.
16489 * tree-vectorizer.c: Ditto.
16491 * ipa-type-escape.c: Ditto.
16493 * tree-if-conv.c: Ditto.
16494 * profile.c: Ditto.
16496 * tree-data-ref.c: Ditto.
16497 * loop-unroll.c: Ditto.
16498 * treelang/treetree.c: Ditto.
16500 * bt-load.c: Ditto.
16501 * ggc-common.c: Ditto.
16503 * coverage.c: Ditto.
16505 * tree-cfgcleanup.c: Ditto.
16506 * tree-ssa-pre.c: Ditto.
16507 * cfgcleanup.c: Ditto.
16508 * loop-invariant.c: Ditto.
16509 * loop-iv.c: Ditto.
16510 * ipa-prop.c: Ditto.
16511 * print-tree.c: Ditto.
16512 * conflict.c: Ditto.
16513 * ggc-page.c: Ditto.
16514 * sched-deps.c: Ditto.
16515 * regclass.c: Ditto.
16516 * tree-object-size.c: Ditto.
16517 * combine.c: Ditto.
16518 * bb-reorder.c: Ditto.
16519 * resource.c: Ditto.
16520 * var-tracking.c: Ditto.
16521 * cfgloop.c: Ditto.
16522 * df-problems.c: Ditto.
16523 * reg-stack.c: Ditto.
16525 * gccspec.c: Ditto.
16526 * sched-rgn.c: Ditto.
16527 * tree-ssa-structalias.c: Ditto.
16528 * tree-ssa-reassoc.c: Ditto.
16529 * config/darwin-c.c: Ditto.
16530 * config/darwin.c: Ditto.
16531 * config/arm/arm.c: Ditto.
16533 * collect2.c: Ditto.
16534 * reload1.c: Ditto.
16536 2006-01-31 Nicolas Pitre <nico@cam.org>
16538 * arm.md (smaxsi3): Make aware of smax_m1.
16541 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16543 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16545 2006-01-31 Richard Guenther <rguenther@suse.de>
16547 * doc/invoke.texi (-msselibm): Document.
16548 * target.h (expand_library_builtin): New target hook.
16549 * builtins.c (expand_builtin): Use expand_library_builtin.
16550 (default_expand_library_builtin): New function.
16551 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16552 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16553 (link_gcc_math_spec): Declare.
16554 (static_specs): Add link_gcc_math_spec.
16555 * expr.h (default_expand_library_builtin): Declare.
16556 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16557 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16558 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16559 * config/i386/i386.opt (msselibm): New target option.
16560 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16561 (ix86_init_sse_abi_builtins): New function.
16562 (ix86_expand_library_builtin): Likewise.
16563 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16564 (override_options): Handle error conditions wrt -msselibm.
16565 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16566 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16567 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16570 2006-01-31 Richard Guenther <rguenther@suse.de>
16571 Paolo Bonzini <bonzini@gnu.org>
16573 * doc/install.texi (--disable-libgcc-math): Document.
16575 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16577 * expr.h (expand_normal): new inline function.
16578 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16579 * dojump.c: use it.
16580 * dwarf2out.c: use it.
16583 * expmed.c: use it.
16584 * except.c: use it.
16585 * config/sparc/sparc.c: use it.
16586 * config/i386/i386.c: use it.
16587 * config/rs6000/rs6000.c: use it.
16588 * config/arm/arm.c: use it.
16589 * config/mips/mips.c: use it.
16590 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16592 2006-01-30 Roger Sayle <roger@eyesopen.com>
16594 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16595 argv to the appropriate type.
16597 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16599 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16602 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16605 * config/s390/s390.c (struct machine_function): New flag
16606 decomposed_literal_pool_addresses_ok_p.
16607 (s390_reorg): Set it before final stage of literal pool transforms.
16608 (s390_decompose_address): Only accept displacements of the form
16609 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16611 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16613 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16614 the comparison routine return.
16616 2006-01-30 Michael Matz <matz@suse.de>
16618 * global.c (find_reg): Only evict for global regs.
16619 Take n_refs into account and dump more info.
16621 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16624 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16625 (pragma_trap, pragma_nosave_low_regs): Likewise.
16626 (current_function_anonymous_args): Likewise.
16627 (sh_deferred_function_attributes): New variable.
16628 (sh_deferred_function_attributes_tail): Likewise.
16629 (print_operand): For '@', look up trap_exit attribute.
16630 (calc_live_regs): Look up trapa_handler attribute. For trapa
16631 handlers, save/restore fpscr, but don't do any other
16632 interrupt-specific saves.
16633 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16634 Fix check for partially saved registers to check for SHmedia.
16635 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16636 (sh_output_function_epilogue): Don't clear any of the removed
16638 (sh_insert_attributes): Don't check pragma_interrupt.
16639 Insert deferred attributes. Check that interrupt attribute is
16640 present for other attributes that require its presence.
16641 (sh_attribute_table): Add new attributes trapa_handler and
16643 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16644 Don't check for pragma_interrupt. Don't store argument.
16645 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16646 (sh_deferred_function_attributes): Declare.
16647 (sh_deferred_function_attributes_tail): Likewise.
16648 * sh.md (sp_switch_1): Add operand. Change generator caller.
16649 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16650 (*return_i): Don't use when trap_exit attribute is in effect.
16651 (*return_trapa): New insn pattern.
16652 * sh-c.c: New file.
16653 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16654 setting c_target_objs and cxx_target_objs.
16655 * t-sh: Add rule for sh-c.o.
16657 2006-01-30 Richard Guenther <rguenther@suse.de>
16660 * gimplify.c (gimplify_target_expr): Handle easy cases
16661 without creating a temporary.
16663 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16665 * vec.h (safe_grow): Remove duplicated line.
16667 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16670 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16671 (expand_omp): ... here.
16672 (expand_omp_parallel): Only remove barriers for combined
16673 parallel+workshare constructs.
16675 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16679 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16680 * tree.c (build_qualified_type): Chain the new type to the original
16681 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16682 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16683 (build_pointer_type_for_mode): Only return unqualified types.
16684 (build_reference_type_for_mode): Likewise.
16686 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16688 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16689 * Makefile.in (CXX_COMPAT_WARN): Define.
16690 * configure: Regenerate.
16692 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16695 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16698 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16700 * toplev.c: Fix thinko.
16702 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16703 Marcin Dalecki <martin@dalecki.de>
16705 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16706 (push_srcloc): Use XNEW.
16707 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16709 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16711 * df-core.c (df_set_blocks): Deleted all variable.
16713 2006-01-28 Ian Lance Taylor <ian@airs.com>
16715 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16716 cgraph_output_pending_asms.
16718 2006-01-28 Zack Weinberg <zackw@panix.com>
16720 * c.opt: Add -W(no-)overlength-strings.
16721 * doc/invoke.texi: Document it.
16722 * c-opts.c (c_common_handle_option): -pedantic implies
16723 -Woverlength-strings, if not explicitly disabled already.
16724 (c_common_post_options): -Woverlength-strings defaults to off, and
16725 is always off for C++.
16726 * c-common.c (fix_string_type): Issue warning about strings longer
16727 than is portable only if warn_overlength_strings. Rearrange code
16728 a little for clarity.
16729 * configure.in: Check for -Wno-overlength-strings as well before
16730 enabling -pedantic in stage 1.
16731 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16732 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16734 * genconditions.c (write_header, write_one_condition)
16735 (write_conditions, write_writer): Consolidate very long strings
16736 that were broken up to fit in C89 portable limit. Don't use
16737 printf when fputs will do.
16739 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16741 * combine.c (simplify_comparison <AND>): Check
16742 TRULY_NOOP_TRUNCATION before start using a subreg.
16744 * config/mips/mips.md (*branch_zero<mode>,
16745 *branch_zero<mode>_inverted, *branch_equality<mode>,
16746 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16747 Remove mode check from comparisons.
16749 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16751 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16753 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16755 * expmed.c (const_mult_add_overflow_p): Remove.
16756 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16758 * recog.c (validate_replace_rtx_subexp): Remove.
16759 * recog.h: Remove the prototype for
16760 validate_replace_rtx_subexp.
16762 * integrate.h: Remove the prototype for
16763 copy_decl_for_inlining.
16764 * rtl.h: Remove the prototype for mark_constant_function.
16765 * tree-vectorizer.h: Remove the prototype for
16766 vect_strip_conversion.
16768 * modulo-sched.c (create_partial_schedule,
16769 free_partial_schedule, reset_partial_schedule): Make them
16772 * hooks.c (hook_bool_rtx_int_false): Remove.
16773 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16775 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16777 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16778 and -mlong-double-128 are incompatible.
16779 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16780 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16781 (TARGET_LIBGCC2_CFLAGS): Define.
16782 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16783 (TARGET_LIBGCC2_CFLAGS): Same.
16784 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16786 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16789 * c-typeck.c (build_binary_op): Perform implicit casts of
16790 operands before shortening them.
16792 * cfgloopmanip.c (split_loop_bb): Remove.
16793 * cfgloop.h: Remove the prototype for split_loop_bb.
16795 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16796 * cfgloop.h: Remove the prototype for
16797 flow_loop_outside_edge_p.
16799 * emit-rtl.c (init_virtual_regs): Make it static.
16800 * function.h: Remove the prototype for init_virtual_regs.
16802 * recog.c (peephole2_optimize): Make it static.
16803 * recog.h: Remove the prototype for peephole2_optimize.
16805 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16807 * df-scan.c (df_record_entry_block_defs): Check if
16808 INCOMING_RETURN_ADDR_RTX is defined.
16810 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16811 Kenneth Zadeck <zadeck@naturalbridge.com>
16813 PR rtl-optimization/24762
16814 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16815 * targhooks.c (hook_void_bitmap): New hook prototype.
16816 * targhoohs.h (hook_void_bitmap): Ditto.
16817 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16818 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16819 * target.h (live_on_entry): New function pointer.
16820 * df-scan.c (df_all_hard_regs): Removed.
16821 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16822 (df_scan_free_internal): Added df->entry_block_defs.
16823 (df_scan_alloc): Ditto.
16824 (df_scan_dump): Ditto.
16825 (df_uses_record): Plumbed flag field properly thru calls.
16826 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16827 This part fixes PR24762.
16828 (df_bb_refs_record): Added code to make the frame and arg
16829 pointers live in EH blocks.
16830 (df_refs_record): Added call to df_record_entry_block_defs.
16831 (df_record_entry_block_defs): New function.
16832 * df-core.c: Added comments to describe new artifical defs.
16833 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16834 (entry_block_defs): New field in struct df.
16835 (df_all_hard_regs): Deleted.
16836 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16837 * df-problems.c (df_ru_bb_local_compute_process_def):
16838 Added code to handle artifical defs in the entry to a function.
16839 (df_ru_bb_local_compute): Ditto.
16840 (df_rd_bb_local_compute_process_def): Ditto.
16841 (df_rd_bb_local_compute): Ditto.
16842 (df_lr_bb_local_compute): Ditto.
16843 (df_ur_bb_local_compute): Ditto.
16844 (df_urec_bb_local_compute): Ditto.
16845 (df_chain_create_bb): Ditto.
16846 (df_ur_local_finalize): Removed entry.
16847 (df_urec_init): Ditto.
16848 (df_urec_local_finalize): Ditto.
16849 (df_ri_bb_compute): Added detection of last use of pseudos.
16850 * Makefile.in (df-scan.o): Updated dependencies.
16851 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16852 * config/mips/mips.c (mips_set_live_on_entry): Added.
16853 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16855 * dce.c (marked_insn_p): Added code to handle artifical defs.
16857 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16859 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16861 (_mm_cvtsi128_si64): Likewise.
16862 (_mm_cvtsd_si64): Likewise.
16863 (_mm_cvttsd_si64): Likewise.
16864 (_mm_cvtsi64_sd): Likewise.
16865 (_mm_cvtsi64_si128): Likewise.
16866 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16867 (_mm_cvtsi64_m64): Likewise.
16868 (_m_to_int64): Likewise.
16869 (_mm_cvtm64_si64): Likewise.
16870 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16871 (_mm_cvttss_si64): Likewise.
16872 (_mm_cvtsi64_ss): Likewise.
16873 (_mm_cvtss_f32): Likewise.
16875 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16877 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16878 for pragma redefine_extname.
16880 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16883 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16884 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16885 -mno-minimal-toc to previous content.
16886 (bispecs): Remove goal.
16887 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16888 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16889 compatibility aliases on powerpc-*-*gnu*.
16890 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16891 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16892 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16893 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16894 (ldblspecs): New goal.
16895 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16896 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16898 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16899 L_sf_to_tf or L_df_to_tf is defined.
16901 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16902 Alan Modra <amodra@bigpond.net.au>
16905 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16906 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16907 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16908 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16909 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16910 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16911 (rs6000_override_options): Initialize rs6000_ieeequad.
16912 Initialize TFmode format to ibm_extended_format if not
16914 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16916 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16917 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16918 (function_arg_advance): IBM long double passed in two FPRs, not
16920 (function_arg): IBM long double passed in FPRs.
16921 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16922 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16923 Only multireg GPR aligned.
16924 (rs6000_init_libfuncs): Enable IBM long double functions if not
16926 (rs6000_generate_compare): Use IBM long double compare if not
16928 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16929 (TARGET_IEEEQUAD): Define.
16930 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16931 not TARGET_IEEEQUAD.
16932 * config/rs6000/rs6000.md: Enable TFmode patterns if
16934 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16935 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16936 and -mlong-double-128 are incompatible.
16937 * doc/invoke.texi (-mabi): Collect options together. Add
16938 ibmlongdouble and ieeelongdouble.
16940 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16942 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16944 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16945 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16946 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16947 * rtl.h (rtunion_def): Remove rt_ptr.
16949 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16950 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16951 * config/i386/winnt.c (i386_pe_mark_dllexport)
16952 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16954 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16956 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
16958 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
16962 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
16963 pthread_key_delete. From John David Anglin. gthrw-ify
16964 pthread_getunique_np only if it it's not a macro. Delete
16966 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
16967 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
16968 __gthread_objc_condition_signal, __gthread_key_delete): Add
16969 "__attribute__ ((__unused__))" to unused arguments.
16970 (__gthread_recursive_mutex_init_function): Add missing return.
16971 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
16972 gthr-posix95.h: Use macro-based approach for name redirection
16973 on targets missing weakref.
16975 2006-01-26 Zack Weinberg <zackw@panix.com>
16977 * genconditions.c (write_header): In generated code, #ifdef out
16978 all includes and fake declarations, except includes of bconfig.h
16979 and system.h, unless GCC_VERSION >= 3001. Do not include
16980 gensupport.h in any case.
16981 (write_conditions): Generate a definition of struct c_test. Add
16982 a comment to the generated #endif.
16983 (write_one_condition): Escape backslashes in string too.
16984 (write_writer): Generated code must escape backslashes and quote
16985 marks (but not newlines) in the strings it writes.
16986 * Makefile.in (build/gencondmd.o): Update dependencies.
16988 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16991 * Makefile.in (insn-automata.o): Add header file dependencies.
16992 * genautomata.c: Add includes.
16994 2006-01-26 Steve Ellcey <sje@cup.hp.com>
16997 * Makefile.in (insn-automata.o): Add -Wno-error flag.
16999 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17001 * configure.ac: Expect target tools paths to be passed from the toplevel
17002 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17004 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17006 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17009 * c.opt (Wpointer-sign): Init to -1.
17010 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17011 OPT_pedantic, to 0 otherwise.
17012 * doc/invoke.texi: Update.
17014 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17016 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17017 constants provided by 80387 instructions in the destination mode.
17019 2006-01-26 Richard Guenther <rguenther@suse.de>
17020 Andrew Pinski <pinskia@physics.uc.edu>
17023 partial PR tree-opt/17064
17024 * tree-ssa-structalias.c (intra_create_variable_infos):
17025 Create heap variables for incoming parameters if
17026 flag_argument_noalias > 1.
17027 (find_what_p_points_to): Look through default defs of
17030 2006-01-26 Jeff Law <law@redhat.com>
17033 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17034 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17035 within the VR_RANGE, use the VR_RANGE as the result, not the
17037 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17038 bounds for the type.
17040 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17042 * tree-ssa-alias.c (maybe_create_global_var): Change
17043 subvar walking to an assertion that we don't have subvar'd variables.
17045 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17048 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17049 Use a new variable, inner. PARM_DECLs are always non-weak.
17051 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17053 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17054 --disable-checking.
17056 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17058 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17060 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17062 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17063 (smax_insn, smin_insn, smax_0, smin_0): New.
17065 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17068 * config/cris/cris.c (cris_order_for_addsi3): New function.
17069 * config/cris/cris-protos.h: Prototype it.
17070 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17071 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17072 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17073 (split for "op.S1 [rx=rx+i],ry (swapped)")
17074 (split for "op(s|u).S1 [rx=rx+i],ry")
17075 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17076 Apply cris_order_for_addsi3 when generating addsi3 insns.
17078 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17080 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17081 (TREE_BLOCK): Add call to EXPR_CHECK.
17083 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17086 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17087 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17088 (dump_omp_clauses): ... here.
17089 (dump_generic_node): Handle OMP_CLAUSE.
17090 * tree.c (omp_clause_num_ops): New.
17091 (omp_clause_code_name): New.
17092 (tree_code_size): Handle OMP_CLAUSE.
17093 (tree_size): Likewise.
17094 (make_node): Document handling of OMP_CLAUSE.
17095 (tree_node_structure): Handle OMP_CLAUSE.
17096 (omp_clause_check_failed): New.
17097 (omp_clause_range_check_failed): New.
17098 (omp_clause_operand_check_failed): New.
17099 (build_omp_clause): New.
17100 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17101 * tree.h (enum omp_clause_code): Declare.
17102 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17103 (OMP_CLAUSE_RANGE_CHECK): Define.
17104 (OMP_CLAUSE_ELT_CHECK): Define.
17105 (omp_clause_check_failed): Declare.
17106 (omp_clause_operand_check_failed): Declare.
17107 (omp_clause_range_check_failed): Declare.
17108 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17109 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17110 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17111 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17112 (OMP_CLAUSE_IF_EXPR): Likewise.
17113 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17114 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17115 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17116 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17117 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17118 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17119 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17120 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17121 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17122 (OMP_CLAUSE_CODE): Define.
17123 (OMP_CLAUSE_SET_CODE): Define.
17124 (OMP_CLAUSE_CODE): Define.
17125 (OMP_CLAUSE_OPERAND): Define.
17126 (struct tree_omp_clause): Declare.
17127 (union tree_node): Add field 'omp_clause'.
17128 * treestruct.def (TS_OMP_CLAUSE): Define.
17129 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17130 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17131 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17132 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17133 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17134 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17135 (OMP_CLAUSE): Define.
17136 * print-tree.c (print_node): Handle OMP_CLAUSE.
17137 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17138 * c-typeck.c: Likewise.
17139 * gimplify.c: Likewise.
17140 * c-omp.c: Likewise.
17141 * tree-nested.c: Likewise.
17142 * tree-inline.c: Likewise.
17143 * c-parser.c: Likewise.
17144 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17147 2006-01-25 Roger Sayle <roger@eyesopen.com>
17149 PR rtl-optimization/25703
17150 * combine.c (try_combine): Handle zero_extract and strict_low_part
17151 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17153 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17155 * global.c: Fix comment typos.
17157 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17160 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17161 Use output_addr_const instead of assemble_name.
17163 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17165 * Makefile.in (sched-vis.o): Update dependencies.
17166 * haifa-sched.c (sched_finish): Clear current_sched_info.
17167 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17168 (dump_flow_info): Call it.
17169 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17171 * basic-block.h (dump_bb_info): Declare.
17172 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17173 option, and apply options only for dump files whose TDF_RTL,
17174 TDF_TREE, or TDF_IPA bits match.
17175 * rtl.h: Declare new functions exported from sched-vis.c.
17176 * sched-vis.c: Enable also if scheduling is not used.
17177 (print_value): Print the mode of registers if not inside scheduling.
17178 (print_insn): Make it work outside the scheduler. Beautify the output
17180 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17182 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17184 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17185 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17186 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17187 depending on the value of CONSTANT_POOL_ADDRESS_P.
17188 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17190 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17191 rather than SYMBOL_REF_DECL.
17192 (rtx_constant_pool): Remove const_rtx_sym_htab.
17193 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17194 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17195 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17196 Remove handling of const_rtx_sym_htab.
17197 (find_pool_constant): Delete.
17198 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17199 rather than find_pool_constant.
17200 (get_pool_constant_for_function): Delete.
17201 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17202 find_pool_constant.
17203 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17204 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17205 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17206 (SYMBOL_REF_CONSTANT): New macro.
17207 (get_pool_constant_for_function): Delete.
17208 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17209 rather than SYMBOL_REF_DECL.
17210 (i386_pe_mark_dllimport): Likewise.
17211 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17212 rather than SYMBOL_REF_DECL.
17213 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17214 (machopic_indirect_call_target): Likewise.
17216 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17218 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17220 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17222 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17224 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17226 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17228 2006-01-24 David Daney <ddaney@avtrex.com>
17231 * configure.ac (enable_tls): New enable option.
17232 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17233 * configure: Regenerate.
17234 * doc/install.texi (--enable-tls): Document new option.
17235 (--disable-tls): Ditto.
17237 2006-01-24 Richard Henderson <rth@redehat.com>
17239 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17240 * alias.c (true_dependence): Respect it.
17241 (canon_true_dependence, write_dependence_p): Likewise.
17242 * builtins.c (get_builtin_sync_mem): Set it.
17244 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17246 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17249 2006-01-24 DJ Delorie <dj@redhat.com>
17251 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17252 for storing constants in single-bit bitfields.
17254 2006-01-25 Ben Elliston <bje@au.ibm.com>
17256 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17258 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17261 * tree-ssa-pre.c (phi_translate): Return NULL
17262 for AGGREGATE_TYPE's.
17264 2006-01-24 Zack Weinberg <zackw@panix.com>
17266 * genautomata.c (process_state_for_insn_equiv_partition):
17267 Use xcalloc for insn_arcs_array.
17268 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17269 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17271 2006-01-24 Richard Henderson <rth@redhat.com>
17273 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17274 update all callers.
17276 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17278 PR rtl-optimization/25890
17279 PR rtl-optimization/25905
17280 * combine.c (expand_compound_operation, expand_field_assignment):
17281 Fail if the bitfield's final position is out of bounds.
17283 2006-01-24 Ian Lance Taylor <ian@airs.com>
17285 PR middle-end/25930
17286 * cgraphunit.c (cgraph_output_in_order): Don't clear
17287 cgraph_asm_nodes until after asm strings have been output.
17289 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17291 * fix-header.c (read_scan_file): Add new parameter imultilib when
17292 calling register_include_chains.
17294 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17296 * omp-low.c: Update documentation.
17298 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17299 Daniel Berlin <dberlin@dberlin.org>
17303 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17304 return from the function.
17306 2006-01-22 Zack Weinberg <zackw@panix.com>
17308 * rtl.def (match_code): Add second argument.
17309 * genpreds.c (write_extract_subexp): New function.
17310 (write_match_code): Add path argument. Use write_extract_subexp.
17311 (write_predicate_expr): Pass path to write_match_code.
17312 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17313 not perform a mode test.
17314 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17315 a subexpression does not constrain the top-level code set.
17316 * read-rtl.c (read_rtx_variadic): New function.
17317 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17318 * doc/md.texi: Document new notation.
17319 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17320 (cmpsi_operand): ... here, using new notation.
17322 2006-01-22 Zack Weinberg <zackw@panix.com>
17324 * varray.c: Remove GENERATOR_FILE #ifdefs.
17326 2006-01-22 Zack Weinberg <zackw@panix.com>
17328 * genautomata.c (output_reserved_units_table): Emit nothing if
17329 description->query_units_num is zero. Remove extra blank line.
17330 (output_cpu_unit_reservation_p): Short circuit
17331 if description->query_units_num is zero.
17333 2006-01-22 Zack Weinberg <zackw@panix.com>
17335 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17336 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17337 nor any of the random handful of variables that used to be necessary
17338 when this program was linked with rtlanal.o. Prune set of forward
17339 function declarations.
17340 (struct attr_desc): Remove static_p field.
17341 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17342 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17343 (attr_string): Do not read the character one past the length of
17345 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17346 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17347 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17348 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17349 (make_automaton_attrs): New.
17350 (main): Do not call into genautomata. Call local gen_bypass
17351 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17352 Remove special case for insn_alts.
17353 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17354 varray.h (leftover from previous change). Prune set of forward
17355 function declarations. Remove state_alts fields from all
17356 structures. Remove state_alts_table from struct automaton.
17357 Make everything except main static. Do not maintain num_dfa_decls.
17358 Do not maintain state_alts fields of various structures.
17359 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17360 (add_arc): Remove state_alts argument. All callers updated.
17361 (output_reserved_units_table): Emit #ifdef here...
17362 (output_tables): ...not here. Don't generate state_alts tables.
17363 (expand_automata): Don't generate attributes.
17364 (write_automata): Don't generate state_alts functions.
17365 (main): New function.
17366 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17367 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17368 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17369 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17370 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17371 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17372 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17373 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17375 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17376 * genattrtab.h: Delete file.
17377 * Makefile.in (OBJS-common): Add insn-automata.o.
17378 (insn-automata.o): New rule.
17379 (simple_generated_c): Add insn-automata.c.
17380 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17381 (genprogmd): Add automata.
17382 (build/genattrtab): Needs no extra objects nor libraries.
17383 (build/genautomata): Needs build/vec.o and -lm.
17385 2006-01-22 Zack Weinberg <zackw@panix.com>
17387 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17388 (output_dfa_max_issue_rate, locked_states_num): Delete.
17389 (struct automaton): Add locked_states field.
17390 (output_dead_lock_vect): Save number of locked states in
17391 automaton->locked_states. If it is zero, don't print anything.
17392 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17393 (output_internal_dead_lock_func): Only test the dead_lock_vect
17394 for automata that have locked states.
17395 (output_statistics): Always print the number of locked states for
17396 each automaton. Calculate total number of locked states here.
17397 (write_automata): Don't call output_dfa_max_issue_rate.
17398 * genattrtab.c: Define length_unit_log as a const variable.
17399 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17400 max_insn_queue_index const.
17401 * final.c (length_unit_log): Declare const.
17402 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17404 2006-01-22 Zack Weinberg <zackw@panix.com>
17406 * genautomata.c: Include vec.h, not varray.h.
17407 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17408 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17409 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17410 VEC_* macros operating on appropriately typed vectors, or to
17411 malloced arrays when the size is known in advance. Const-ify
17412 many char* variables and function arguments. No functional changes.
17413 * Makefile.in (build/varray.o): Delete rule.
17414 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17415 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17417 2006-01-22 Zack Weinberg <zackw@panix.com>
17419 * gensupport.c: Define get_insn_name and record_insn_name here.
17420 (read_md_rtx): Call record_insn_name as appropriate.
17421 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17422 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17423 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17425 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17426 (BUILD_VARRAY): Delete.
17427 (genprognormal): Rename genprogmd. Fold in all programs from
17428 genprognoprint; also attrtab.
17429 (build/genattrtab): Just mention genautomata.o and varray.o.
17430 Reorganize a bit, add comments to make the categories clearer.
17432 2006-01-22 Zack Weinberg <zackw@panix.com>
17434 * genconditions.c (condition_table, add_condition): Delete.
17435 (write_conditions): Don't emit n_insn_conditions nor
17436 insn_elision_unavailable. Issue the gcc version #ifdef here,
17437 inside the table, with no #else clause ...
17438 (write_header): ...not here.
17439 (write_writer): New function.
17440 (main): Don't initialize condition_table. Use add_c_test.
17442 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17443 files on the command line.
17444 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17445 Return -1 if there is no entry in the table, don't abort.
17446 (add_c_test, traverse_c_tests): New functions.
17447 * gensupport.h (insn_elision_unavailable, insn_conditions)
17448 (n_insn_conditions): Delete declarations.
17449 (add_c_test, traverse_c_tests): Declare.
17450 * read-rtl.c: Include gensupport.h.
17451 (read_conditions): New function.
17452 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17453 (read_rtx_1): If we get EOF when we were looking for an initial
17454 open paren, return 0. Call read_conditions when appropriate.
17455 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17456 dummy-conditions.o. Eliminate references to insn-conditions.o,
17457 or change them to build/gencondmd.o, as appropriate. Remove
17458 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17459 from $(simple_generated_c). For all files remaining in those
17460 two lists, add insn-conditions.md to the generator command line.
17461 Give insn-constants.h/s-constants their own rules. Add rules
17462 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17463 (build/read-rtl.o): Depend on gensupport.h.
17464 (genprognormal): Include preds.
17465 (genprogearly): Rename genprognoprint; only difference is now that
17466 they don't link with $(BUILD_PRINT).
17467 * dummy-conditions.c: Delete.
17469 2006-01-22 Zack Weinberg <zackw@panix.com>
17471 * genextract.c: Don't include insn-config.h. Do include vec.h.
17472 Declare vectors of int, char, and locstr.
17473 (locstr): New typedef.
17474 (struct extraction): Make all array fields into bare pointers.
17475 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17476 (insn_code_number): Delete.
17477 (accum_extract): New struct.
17478 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17479 (gen_insn): Take insn_code_number as an argument. Use an
17480 accum_extract structure instead of loading data directly into
17481 a struct extraction, and having to know how big it might get.
17482 (walk_rtx): Operate entirely on an accum_extract structure.
17483 (print_path): Avoid unnecessary use of printf.
17484 (print_header): New function, split out of main. Distinguish
17485 more carefully between an unrecognizable insn and an insn that
17486 has the code number of a define_expand.
17487 (main): Pass insn_code_number to gen_insn. Call print_header
17488 only after parsing. Avoid unnecessary use of printf.
17489 * Makefile.in (build/vec.o): New rule.
17490 (build/genextract): Depend on build/vec.o.
17491 (build/genextract.o): Don't depend on insn-config.h.
17493 2006-01-22 Zack Weinberg <zackw@panix.com>
17495 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17496 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17497 practical. Eliminate per-generator-program link rules.
17499 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17501 PR middle-end/24437
17502 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17503 with a call expr to ...
17504 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17506 2006-01-23 Richard Guenther <rguenther@suse.de>
17508 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17509 before make_edge with conditional EDGE_TRUE_VALUE.
17511 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17512 Jan Hubicka <jh@suse.cz>
17513 Richard Guenther <rguenther@suse.de>
17515 PR rtl-optimization/25654
17516 * cfgexpand.c (aggregate_contains_union_type): New function.
17517 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17518 for structure variables that contain a union type.
17520 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17522 * gengtype.c (new_structure): Return the structure.
17523 (create_option): Add an extra "next" argument.
17524 (create_field): New function.
17525 (adjust_field_rtx_def): Use create_option and create_field.
17526 Remove a now-unnecessary call to find_structure.
17527 (adjust_field_tree_def): Likewise.
17528 (note_yacc_type): Remove an unnecessary call to find_structure.
17529 * gengtype.h (new_structure): Return the structure.
17530 (create_option): Add an extra argument.
17531 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17532 (option): Adjust calls to create_option.
17534 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17536 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17538 2006-01-22 Paul Brook <paul@codesourcery.com>
17539 Peter Barada <peter@the-baradas.com>
17541 * config/m68k/m68k.md: Add Coldfire FPU support.
17542 Define FP mode macro and associated attributes.
17543 Use it for float mode patterns.
17544 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17545 (LIBCALL_VALUE): Use m68k_libcall_value.
17546 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17547 (m68k_function_value): Ditto.
17548 (emit_move_sequence): Ditto.
17549 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17550 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17551 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17552 (MULTILIB_EXCEPTIONS): Ditto.
17553 * config/m68k/m68k.opt: Add mcfv4e.
17554 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17555 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17556 (m68k_output_function_prologue): Save ColdFire FPU registers.
17557 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17558 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17559 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17560 ColdFire FPU registers.
17561 (m68k_libcall_value, m68k_function_value): New functions.
17562 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17563 (LIBCALL_VALUE): Use m68k_libcall_value.
17564 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17565 (MASK_COLDFIRE): Add MASK_CFV4E.
17566 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17567 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17568 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17569 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17570 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17571 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17572 * doc/invoke.tex: Document -mcfv4e on m68k.
17574 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17576 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17579 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17582 * c-opts.c (c_common_handle_option): Don't include
17583 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17584 * doc/invoke.texi (C++ Dialect Options): Document that
17585 -Wnon-virtual-dtor is no longer included in -Wall.
17587 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17589 * gcov.c (print_version), gcov-dump.c (print_version),
17590 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17593 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17595 * df-scan.c (problem_SCAN): Added NULL reset function.
17596 (df_scan_reset_blocks): Added code to call reset block function
17597 (df_bb_refs_delete) Fixed comment.
17598 (df_insn_refs_delete): Made tolerant of deleting non existent info
17599 for dataflow problems that need to be reset.
17600 * df-core.c (df_set_blocks): Ditto.
17601 * df.h (struct df_problem): Added reset_fun.
17602 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17603 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17604 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17605 functions to clear out all references to def-use or use-def chains.
17607 2006-01-21 Ben Elliston <bje@au.ibm.com>
17609 * varasm.c (assemble_real): Initialise data array.
17611 2006-01-20 Paul Brook <paul@codesourcery.com>
17613 Merge from csl-arm-branch.
17614 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17615 * config/arm/arm.md (movdi): Force operands[1] to a register
17616 if we have a non-register source.
17617 (*arm_movdi, *movdf_soft_insn): Require that one of the
17618 operands be a register.
17619 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17620 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17622 2006-01-20 DJ Delorie <dj@redhat.com>
17624 * varasm.c (initializer_constant_valid_p): Allow pointers
17625 initialized from integer constants of lesser precision.
17626 (output_constant): Allow non-int-sized pointer modes to be
17627 initialized from integer constants.
17629 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17632 * cppdefault.h (struct default_include): Add multilib flag.
17633 * cppdefault.c (cpp_include_defaults): Set it.
17634 * c.opt (-imultilib): New option.
17635 * c-opts.c (imultilib): New.
17636 (c_common_handle_option): Handle -imultilib.
17637 (c_common_post_options): Likewise.
17638 * c-incpath.c (add_standard_paths, register_include_chains):
17640 * c-incpath.h (register_include_chains): Add extra parameter.
17641 * gcc.c (do_spec_1): Generate -imultilib option.
17642 (The Specs Language): Update %I description.
17643 (process_command): Update copyright notice.
17644 * doc/cppopts.texi (-imultilib): Document.
17645 * doc/invoke.texi (-imultilib): Include in option summary.
17646 (%I): Update specs documentation.
17648 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17650 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17652 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17654 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17657 2006-01-20 Richard Guenther <rguenther@suse.de>
17658 Steven Bosscher <stevenb.gcc@gmail.com>
17660 PR rtl-optimization/24626
17661 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17662 EDGE_TRUE_VALUE if in RTL mode.
17665 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17666 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17668 2006-01-20 Dirk Mueller <dmueller@suse.com>
17671 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17672 instead of a special NOP marker.
17673 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17674 NOP marker handling.
17675 * c-common.h (empty_body_warning): Add forward declaration.
17676 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17677 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17679 2006-01-20 Paul Brook <paul@codesourcery.com>
17681 * Makefile.in (lang_checks): Keep going if mkdir fails.
17683 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17685 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17686 be able to clean out basic block when not necessary.
17687 (df_scan_free): Fixed to properly delete information if df is
17688 unused before calling df_finish.
17689 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17690 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17692 (df_bb_refs_delete): New function.
17693 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17694 * df-core.c (df_set_blocks): Added code to properly clean out
17695 unused blocks if they are not part of the blocks to consider.
17696 Added additional null check.
17697 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17698 be able to clean out basic block when not necessary
17699 * df.h (df_free_bb_function): Ditto.
17700 (df_bb_refs_delete): New function.
17701 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17702 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17703 basic block parameter to be able to clean out basic block when not
17705 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17706 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17707 Fixed to properly delete information if df is unused before
17710 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17712 PR rtl-optimization/25799
17713 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17714 Corrected confluence operator to remove bits from op2 before oring
17715 with op1 rather than removing bits from op1.
17716 (df_ru_transfer_function): Corrected test on wrong bitmap which
17717 caused infinite loop. Both of these problems were introduced in
17718 the dataflow rewrite.
17720 2006-01-19 DJ Delorie <dj@redhat.com>
17722 * reload1.c (find_reload_regs): Note the details of reload
17723 failures in the dump file.
17724 (spill_failure): Likewise.
17726 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17728 * loop-iv.c: Include df.h and hashtab.h.
17729 (enum iv_grd_result): New enum.
17730 (DF_REF_IV, DF_REF_IV_SET): New macros.
17731 (struct biv_entry): New.
17732 (df, bivs): New global variables.
17733 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17734 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17736 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17737 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17738 analyzed_for_bivness_p, record_biv): New functions.
17739 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17740 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17741 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17743 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17745 (iv_number_of_iterations): Use new interface to iv analysis.
17746 * loop-unroll.c: Do not include varray.h.
17747 (analyze_iv_to_split_insn): Use new interface to iv
17749 * loop-unswitch.c (may_unswitch_on): Ditto.
17750 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17752 (df_bb_modify): Realloc tables to the new index.
17753 (df_find_use): New function.
17754 * df.h (df_find_use): Declare.
17755 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17757 * cfgloop.h (struct rtx_iv): Remove analysed field.
17758 (iv_get_reaching_def): Removed.
17759 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17760 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17761 (loop-iv.o): Add df.h and hashtab.h dependency.
17762 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17764 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17767 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17769 (__floatundisf, __floatundidf): Likewise.
17770 * libgcc2.h (IS_IBM_EXTENDED): Define.
17772 2006-01-19 DJ Delorie <dj@redhat.com>
17774 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17776 2006-01-19 Paul Brook <paul@codesourcery.com>
17778 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17779 as nothrow when unwinding tables are disabled.
17781 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17784 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17785 of bit-field" when in system header.
17787 2006-01-19 DJ Delorie <dj@redhat.com>
17789 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17790 the 16 bit shift limit of the m16c.
17792 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17795 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17796 * config/i386/i386.c (output_set_got): Output the label if we have one
17797 for the TARGET_DEEP_BRANCH_PREDICTION case.
17799 2006-01-19 Jan Hubicka <jh@suse.cz>
17800 H.J. Lu <hongjiu.lu@intel.com>
17801 Evandro Menezes <evandro.menezes@amd.com>
17803 * invoke.texi (generic): Document
17805 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17806 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17807 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17808 (x86_use_incdec, x86_pad_returns): New variables
17809 (TARGET_CPU_DEFAULT_generic): New constant
17810 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17811 (enum processor_type): Add generic32 and generic64.
17812 * i386.md (cpu attribute): Add generic32/generic64
17813 (movhi splitter): Behave sanely when both partial_reg_dependency and
17814 partial_reg_stall are set.
17815 (K8 splitters): Enable for generic as well.
17816 * predicates.md (incdec_operand): Use TARGET_INCDEC
17817 (aligned_operand): Avoid memory mismatch stalls.
17818 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17819 * ppro.md: Enable for generic32
17820 * i386.c (generic64_cost, generic32_cost): New.
17821 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17822 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17823 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17824 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17825 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17826 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17827 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17828 x86_accumulate_outgoing_args, x86_prologue_using_move,
17829 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17830 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17831 Enable for generic.
17832 (x86_use_incdec, x86_pad_returns): New.
17833 (override_options): Add generic32 and generic64, translate "generic"
17834 to generic32/generic64 and "i686" to "generic32", refuse
17835 "generic32"/"generic64" as arch target.
17836 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17837 (ix86_reorg): Honor PAD_RETURNS.
17839 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17841 * tree-pretty-print.c (dump_generic_node): Handle
17842 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17843 * cgraph.c (cgraph_expand_queue): Rename from
17844 cgraph_analyze_queue. Update all users.
17845 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17846 cgraph_expand_queue.
17847 (cgraph_expand_all_functions): Likewise.
17848 (cgraph_finalize_pending_functions): Remove. Update callers.
17850 * tree.h (OMP_DIRECTIVE_P): Define.
17851 (OMP_PARALLEL_FN): Define.
17852 (OMP_PARALLEL_DATA_ARG): Define.
17853 (OMP_SECTIONS_SECTIONS): Define.
17854 * tree-pass.h (pass_expand_omp): Declare.
17855 * omp-low.c (struct omp_region): Declare.
17856 (struct omp_context): Remove fields 'parallel_type',
17857 'parallel_start_ix' and 'parallel_start_additional_args'.
17859 (struct omp_for_data): Rename from struct expand_omp_for_data.
17860 (omp_regions): New static variable.
17861 (root_omp_region): New static variable.
17862 (find_omp_clause): Make static.
17863 (is_in_combined_parallel_ctx): Remove.
17864 (is_combined_parallel): New.
17865 (extract_omp_for_data): Move earlier in the file.
17866 (workshare_safe_to_combine_p): New.
17867 (get_ws_args_for): New.
17868 (determine_parallel_type): Move earlier in the file.
17869 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17871 (omp_copy_decl): Likewise.
17872 (create_omp_child_function): Likewise.
17873 (lookup_omp_region): New.
17874 (dump_omp_region): New.
17875 (debug_omp_region): New.
17876 (debug_all_omp_regions): New.
17877 (new_omp_region): New.
17878 (scan_omp_parallel): If parallel_nesting_level > 1, the
17879 directive is nested within another parallel directive.
17880 Set OMP_PARALLEL_FN.
17881 (scan_omp_for): Do not try to handle combined parallel+for
17883 Remove FIXME comment.
17884 (scan_omp_nested): Remove.
17885 (scan_omp_1): Do not call scan_omp_nested when
17886 parallel_nesting_level is > 1.
17887 Do not change the DECL_CONTEXT of local variables found.
17888 (lookup_decl_in_outer_ctx): New.
17889 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17890 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17891 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17892 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17893 If CTX is nested, lookup VAR in the outer context when
17894 building copy assignment.
17895 (lower_send_clauses): Rename from expand_send_clauses.
17896 If CTX is nested, lookup VAR in the outer context when
17897 building copy assignments.
17898 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17899 If CTX is nested, lookup VAR in the outer context when
17900 building copy assignments.
17901 (expand_parallel_call): Rename from build_parallel_call.
17902 Handle combined parallel+workshare cases.
17903 Re-implement to emit code into the CFG.
17905 (expand_omp_parallel): Re-implement to emit code into the CFG.
17906 Call move_sese_region_to_fn to outline the sub-graph
17907 containing the parallel region.
17908 (expand_omp_for_1): Remove.
17909 (expand_omp_for_generic): Re-implement to emit code into the
17911 (expand_omp_for_static_nochunk): Likewise.
17912 (expand_omp_for_static_chunk): Likewise.
17913 (expand_omp_for): Likewise.
17914 (expand_omp_sections): Likewise.
17915 (remove_exit_barriers): New.
17916 (expand_omp_synch): New.
17918 (build_omp_regions_1): New.
17919 (build_omp_regions): New.
17920 (execute_expand_omp): New.
17921 (gate_expand_omp): New.
17922 (pass_expand_omp): Define.
17923 (lower_omp_sections): Rename from expand_omp_sections.
17924 Set OMP_SECTIONS_SECTIONS.
17925 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17926 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17927 (lower_omp_single): Rename from expand_omp_simple.
17928 (lower_omp_master): Rename from expand_omp_master.
17929 (lower_omp_ordered): Rename from expand_omp_ordered.
17930 (lower_omp_critical): Rename from expand_omp_critical.
17931 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17932 (lower_omp_for): Re-implement.
17933 (lower_omp_parallel): Re-implement.
17934 (lower_regimplify): Rename from expand_regimplify.
17935 (lower_omp_1): Rename from expand_omp_1.
17936 If there are syntax errors in the program, replace every
17937 OpenMP directive with NOP.
17938 Call lower_omp_* instead of expand_omp_*.
17939 (lower_omp): Rename from expand_omp.
17941 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17942 * tree-gimple.h (enum omp_parallel_type): Remove.
17943 (gimple_boolify): Declare extern.
17944 (find_omp_clause, determine_parallel_type): Remove.
17946 * gimple-low.c (lower_omp_directive): New.
17947 (lower_stmt): Call it.
17948 (record_vars_into): Move from ...
17949 (record_vars): ... here.
17950 Call record_vars_into with current_function_decl.
17952 * gimplify.c (struct gimplify_ctx): Remove fields
17953 combined_pre_p and combined_ctxp. Update users.
17954 (get_formal_tmp_var): Add documentation.
17955 (gimple_boolify): Make extern.
17956 (gimplify_expr_in_ctx): Remove. Update callers.
17957 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
17958 will always be a BIND_EXPR.
17959 (gimplify_expr): Handle OMP_RETURN_EXPR.
17960 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
17961 (OMP_PARALLEL): Add 3 operands.
17962 (OMP_SECTIONS): Add 1 operand.
17963 (OMP_RETURN_EXPR): Define.
17965 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
17966 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
17967 * tree-iterator.c (alloc_stmt_list): Assert that we are not
17968 creating a circular free list.
17969 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
17971 * tree-flow.h (move_sese_region_to_fn): Declare.
17972 (record_vars_into): Declare.
17973 * tree-cfg.c (make_omp_sections_edges): New.
17974 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
17975 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
17976 OMP_SECTIONS and OMP_SECTION.
17977 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
17978 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
17979 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
17980 (gather_blocks_in_sese_region): New.
17981 (struct move_stmt_d): Declare.
17982 (move_stmt_r): New.
17983 (move_block_to_fn): New.
17984 (move_sese_region_to_fn): New.
17986 * passes.c (init_optimization_passes): Schedule
17987 pass_expand_omp after pass_init_datastructures.
17989 * tree-ssa-operands.c (get_expr_operands): Handle
17990 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
17991 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
17993 2006-01-19 Jeff Law <law@redhat.com>
17995 * tree-vrp.c (extract_range_from_assert): Refine the result range
17996 if the variable referenced by the ASSERT_EXPR has a range and
17997 either the tentative result range or the previous range is a
18000 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18002 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18004 2006-01-19 Jan Hubicka <jh@suse.cz>
18006 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18008 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18010 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18011 (expand_compound_operation, expand_field_assignment): Fail if the
18012 bit lengths of an extract operation are out of range.
18013 (make_extraction): Compute wanted_inner_mode based on the position
18014 and length of the extraction. Make it extraction_mode for non-constant
18015 positions, and do not modify offset in that case. When generating a
18016 new MEM, use a mode that can hold the extraction while keeping correct
18017 alignment. Remove code that supported MEMs wrapped by USEs.
18018 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18020 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18022 * config/s390/s390.md ("Y", "y"): New mode attribute.
18023 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18024 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18025 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18026 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18027 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18028 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18029 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18030 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18031 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18032 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18033 "addsi3", "subsi3"): Insn patterns removed.
18034 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18035 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18036 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18037 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18038 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18039 "*sub<mode>3_cconly2"): New insn patterns.
18040 ("addsi3", "subsi3"): New expanders.
18042 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18044 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18045 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18046 existing STMT_VINFO_VECTYPE if available.
18047 (vect_mark_relevant): Add special handling for stmts that are
18048 marked as STMT_VINFO_IN_PATTERN_P.
18049 (vect_analyze_loop): Call vect_pattern_recog.
18050 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18051 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18053 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18054 (vect_recog_func_ptr): New function-pointer type.
18055 * tree-vect-patterns.c: New file.
18056 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18057 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18058 (vect_pattern_recog_1): New functions.
18059 (vect_pattern_recog_funcs): New array of function pointers.
18061 * tree-vectorizer.h (ternary_op): New enum value.
18062 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18063 declaration. Revised documentation. Removed redundant dump prints.
18064 Removed redundant argument. Added support for reduction patterns.
18065 (vectorizable_reduction): Added support for reduction patterns.
18066 (vect_transform_stmt): Added support for patterns.
18068 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18069 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18070 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18071 (expand_widen_pattern_expr): New function.
18072 (init_optabs): Initialize new optabs udot_prod_optab,
18074 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18075 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18076 (expand_widen_pattern_expr): New function declaration.
18077 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18079 * tree-inline.c (estimate_num_insns_1): Added cases for new
18080 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18081 * tree-pretty-print.c (dump_generic_node): Likewise.
18082 (op_prio): Likewise.
18083 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18084 * tree-ssa-operands.c (get_expr_operands): Added case for
18086 * tree-vect-patterns.c (widened_name_p): New function.
18087 (vect_recog_dot_prod_pattern): Added function implementation.
18088 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18089 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18090 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18091 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18093 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18094 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18095 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18096 (init_optabs): Initialize new optabs widen_ssum_optab,
18098 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18099 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18100 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18101 use instead of type of def.
18102 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18103 function implementation.
18104 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18105 widen_ssumv8hi): New.
18107 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18110 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18113 * c-decl.c (add_flexible_array_elts_to_size): New function.
18114 (finish_decl): Use it.
18116 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18118 * diagnostic.h: Include options.h.
18119 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18120 dependancies for diagnostic.h.
18121 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18123 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18125 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18126 (ssa_ro_call_cache_valid): Ditto.
18127 * tree-ssa-alias.c (sort_tags_by_id): New function.
18128 (init_transitive_clobber_worklist): Ditto.
18129 (add_to_worklist): Ditto.
18130 (mark_aliases_call_clobbered): Ditto.
18131 (compute_tag_properties): Ditto.
18132 (set_initial_properties): Ditto.
18133 (compute_call_clobbered): Ditto.
18134 (compute_may_aliases): Call compute_call_clobbered and grouping.
18135 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18136 (compute_flow_insensitive_aliasing): Grouping now happens in our
18138 (setup_pointers_and_addressables): Remove clobbering related code.
18139 (add_may_alias): Ditto.
18140 (replace_may_alias): Ditto.
18141 (get_nmt_for): Ditto.
18142 (create_global_var):
18143 (is_escape_site): Return an escape_type enumeration.
18144 * tree-flow-inline.h (is_call_clobbered): Global var does not
18145 imply call clobbered.
18146 (mark_call_clobbered): Take a reason for marking this. Remove
18147 marking of globalness, and cache invalidation.
18148 (clear_call_clobbered): Remove cache invalidation code.
18149 * tree-dfa.c (dump_variable): If details is on, dump the reason
18151 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18153 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18154 (struct var_ann_d): Ditto.
18155 (enum escape_type): New.
18156 (mark_call_clobbered): Adjust prototype.
18157 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18158 are never call clobbered.
18159 Record reasons for escaping.
18160 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18161 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18162 (ssa_ro_call_cache_valid): Ditto.
18163 (clobbered_v_may_defs): Ditto.
18164 (clobbered_vuses): Ditto.
18165 (ro_call_vuses): Ditto.
18166 (clobber_stats): New.
18167 (init_ssa_operands): Zero out clobber stats.
18168 (fini_ssa_operands): Print out clobber stats.
18169 (get_call_expr_operands): Pass callee fndecl to
18170 add_call_read_ops).
18171 (add_call_clobber_ops): Remove use of cache.
18172 Add use of PURE_CONST information.
18173 (add_call_read_ops): Remove use of cache.
18174 Add use of static not_read information.
18176 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18178 Introduce TLS descriptors for i386 and x86_64.
18179 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18180 (TARGET_ANY_GNU_TLS): New macro.
18181 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18182 (struct machine_function): Add tls_descriptor_call_expanded_p.
18183 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18184 (ix86_current_function_calls_tls_descriptor): Likewise.
18185 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18186 (override_options): Introduce gnu2 tls dialect.
18187 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18189 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18191 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18192 (ix86_init_machine_status): Initialize new field.
18193 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18194 (ix86_tls_module_base): New.
18195 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18196 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18197 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18198 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18199 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18200 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18201 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18202 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18203 * config/i386/predicates.md (tls_modbase_operand): New.
18204 (tp_or_register_operand): New.
18206 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18208 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18209 (look_for_address_of): Ditto.
18210 (ipa_init): Walk the function decls.
18211 (static_execute): Don't set readonly on FUNCTION_DECL's.
18213 2006-01-18 Roger Sayle <roger@eyesopen.com>
18215 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18216 for shifts where the source and destination registers are different.
18218 2006-01-18 Paul Brook <paul@codesourcery.com>
18220 Merge from csl-arm-branch.
18221 2005-03-14 Julian Brown <julian@codesourcery.com>
18222 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18223 (aeabi_llsl): Likewise.
18224 (ashrdi3): Likewise.
18225 (aeabi_lasr): Likewise.
18226 (lshrdi3): Likewise.
18227 (aeabi_llsr): Likewise.
18228 2005-03-10 Julian Brown <julian@codesourcery.com>
18229 * config.gcc: Disable shared libgcc for SymbianOS.
18230 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18232 2006-01-18 DJ Delorie <dj@redhat.com>
18234 * c-pragma.c (handle_pragma_diagnostic): New.
18235 (init_pragma): Register it.
18236 * doc/extend.texi: Document it.
18238 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18239 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18240 (diagnostic_context): Add classify_diagnostic[].
18241 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18242 as errors if they're overridden to DK_WARNING.
18243 (diagnostic_initialize): Initialize classify_diagnostic[].
18244 (diagnostic_set_kind_override): New.
18245 (diagnostic_report_diagnostic): Check for kind changes.
18246 * opts.c (common_handle_option): Take lang_mask. Update callers.
18247 Handle OPT_Werror_.
18248 * common.opt (Werror=): New.
18249 * doc/invoke.texi: Document -Werror=*
18251 2006-01-18 Jeff Law <law@redhat.com>
18253 * tree-vrp.c (test_for_singularity): Correct test for new
18254 min limit. Use operand_equal_p rather than pointer equality
18255 for testing if new min/max values are equal.
18257 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18258 using range information until after propagation and folding.
18260 2006-01-18 Richard Henderson <rth@redhat.com>
18261 Aldy Hernandez <aldyh@redhat.com>
18262 Jakub Jelinek <jakub@redhat.com>
18263 Diego Novillo <dnovillo@redhat.com>
18265 * omp-low.c: New file.
18266 * c-omp.c: New file.
18268 2006-01-18 Richard Henderson <rth@redhat.com>
18269 Jakub Jelinek <jakub@redhat.com>
18270 Diego Novillo <dnovillo@redhat.com>
18272 * doc/invoke.texi: Document -fopenmp.
18273 * tree-dump.h (debug_function): Declare.
18274 * hooks.c (hook_bool_tree_bool_false): New function.
18275 (hook_tree_tree_null): Remove.
18276 (hook_tree_tree_tree_null): New.
18277 * hooks.h: Update to match.
18278 * tree-pretty-print.c (debug_tree_chain): New.
18279 (print_generic_expr): Handle TDF_CHAIN.
18280 (dump_generic_node): Handle BLOCK.
18281 Do not abort with incomplete SWITCH_EXPRs.
18282 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18283 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18284 print space after directive name.
18285 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18286 Handle OMP_MASTER and OMP_ORDERED.
18287 Handle printing of OMP_BODY just in one place, goto
18288 dump_omp_body in the rest of OMP_* nodes that have
18290 Don't handle clause nodes here. Update omp statements to
18291 use dump_omp_clauses.
18292 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18293 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18294 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18295 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18296 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18297 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18298 Adjust output for GOMP_PARALLEL.
18299 (dump_omp_clauses): New.
18300 (print_declaration): Dump DECL_VALUE_EXPR.
18301 (op_symbol_1): Split out of op_symbol.
18302 (dumping_stmts): Remove. Update all users.
18303 * cgraph.c (cgraph_analyze_queue): New.
18304 (cgraph_add_new_function): New.
18305 * cgraph.h (cgraph_analyze_queue): Declare.
18306 (cgraph_add_new_function): Declare.
18307 (cgraph_lower_function): Remove.
18308 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18309 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18310 and TYPE_P nodes in its default clause.
18311 (empty_body_p): New.
18312 (tree_range_check_failed): New.
18313 (build5_stat): New.
18314 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18315 OMP_CLAUSE_REDUCTION_MERGE,
18316 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18317 OMP_CLAUSE_PRIVATE_DEBUG,
18318 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18319 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18320 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18321 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18322 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18323 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18324 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18325 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18326 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18327 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18328 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18329 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18330 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18331 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18332 (TREE_RANGE_CHECK): New.
18333 (empty_body_p): Declare.
18334 (enum omp_clause_default_kind): New.
18335 (build_string_literal): Declare.
18336 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18337 (build5_stat, build5): Declare.
18338 * tree-pass.h (TDF_CHAIN): Define.
18339 * tree-pass.h (PROP_gimple_lomp): Define.
18340 (pass_lower_omp): Declare.
18341 * diagnostic.h (debug_tree_chain): Declare.
18342 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18344 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18345 * builtins.c (build_string_literal): Make extern.
18346 * gcc.c (include_spec_function): New.
18347 (static_spec_functions): Add it.
18348 (main): Move load of libgomp.spec ...
18349 (LINK_COMMAND_SPEC): ... here.
18350 (link_gomp_spec): New.
18351 (static_specs): Include it.
18352 (LINK_COMMAND_SPEC): Add link_gomp.
18353 (GOMP_SELF_SPECS): New.
18354 (driver_self_specs): Include it.
18355 (switch_matches): Don't mark inline.
18356 (main): Load libgomp.spec.
18357 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18358 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18359 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18360 * tree-gimple.h (enum omp_parallel): Declare.
18361 (determine_parallel_type): Declare.
18362 (omp_firstprivatize_variable): Declare.
18363 (omp_reduction_init): Declare.
18364 (diagnose_omp_structured_block_errors): Declare.
18365 (struct walk_stmt_info): Add want_return_expr.
18366 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18367 (find_omp_clause): Declare.
18368 (insert_field_into_struct): Declare.
18369 (struct walk_stmt_info): Move from tree-nested.c
18370 (walk_stmts): Declare.
18371 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18373 * cgraphunit.c (cgraph_lower_function): Make static.
18374 (cgraph_finalize_pending_functions): New.
18375 (cgraph_finalize_function): Call it.
18376 (cgraph_finalize_compilation_unit): Likewise.
18377 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18378 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18379 (BT_FN_UINT_UINT): New.
18380 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18381 DEF_FUNCTION_TYPE_VAR_4): Document.
18382 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18383 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18384 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18385 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18386 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18387 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18388 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18389 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18390 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18391 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18392 into separate files.
18393 (DEF_GOMP_BUILTIN): New.
18394 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18395 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18396 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18397 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18398 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18399 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18400 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18401 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18402 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18403 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18404 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18405 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18406 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18407 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18408 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18409 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18410 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18411 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18412 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18413 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18414 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18415 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18416 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18417 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18418 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18419 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18420 * sync-builtins.def: New file, moved from builtins.def.
18421 * omp-builtins.def: New file, moved from builtins.def.
18422 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18423 * gimple-low.c (lower_function_body): Clear data.
18424 (lower_stmt): Do not handle COMPOUND_EXPR.
18425 Remove call to print_node_brief.
18426 * c-tree.h (c_finish_omp_clauses): New prototype.
18427 (C_DECL_THREADPRIVATE_P): Define.
18428 (lookup_name_no_remap, c_omp_remap_private): Remove
18429 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18430 (check_for_loop_decls): Update decl.
18431 (lookup_name_no_remap, c_omp_remap_private): Declare.
18432 (build_indirect_ref, build_modify_expr, pushdecl,
18433 pushdecl_top_level): Move to c-common.h.
18434 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18435 before the switch, but just in the 2 places that need it.
18436 * c-decl.c (diagnose_mismatched_decls): Do not check for
18437 mismatched thread-local attributes when OLDDECL is marked
18438 threadprivate and NEWDECL has no thread-local attributes.
18439 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18440 (c_gimple_diagnostics_recursively): Rename from
18441 c_warn_unused_result_recursively. Invoke
18442 diagnose_omp_structured_block_errors.
18443 (check_for_loop_decls): Return a singular decl found.
18444 * langhooks.c (lhd_omp_predetermined_sharing): Return
18445 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18446 (lhd_omp_firstprivatize_type_sizes): New.
18447 (lhd_omp_assignment): New.
18448 (lhd_omp_predetermined_sharing): New.
18449 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18450 (struct lang_hooks_for_types): Add
18451 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18452 omp_predetermined_sharing, omp_disregard_value_expr,
18453 omp_private_debug_clause, omp_clause_default_ctor,
18454 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18455 (c_finish_omp_clauses): New.
18456 (c_finish_bc_stmt): Diagnose break within omp for.
18457 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18458 (build_unary_op): Return error_mark after reporting
18460 (build_modify_expr): Likewise.
18461 * gimplify.c: Include optabs.h and pointer-set.h.
18462 (enum gimplify_omp_var_data): Declare.
18463 (struct gimplify_omp_ctx): Declare.
18464 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18466 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18467 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18468 (splay_tree_compare_decl_uid): New.
18469 (new_omp_context): New.
18470 (delete_omp_context): New.
18471 (gimple_add_tmp_var): Call omp_add_variable.
18472 (gimplify_bind_expr): Likewise.
18473 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18474 true, disregard DECL_VALUE_EXPR on the decl if any.
18475 (gimplify_expr_in_ctx): New.
18476 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18477 omp_add_variable, omp_notice_variable, omp_is_private
18478 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18479 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18480 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18481 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18482 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18483 gimplify_omp_atomic): New.
18484 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18485 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18486 OMP_CRITICAL and OMP_ATOMIC.
18487 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18488 * c-pragma.h (enum pragma_kind): Add
18489 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18490 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18491 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18492 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18493 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18494 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18495 PRAGMA_OMP_THREADPRIVATE.
18496 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18497 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18498 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18499 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18500 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18501 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18502 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18503 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18504 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18505 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18506 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18507 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18508 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18510 (struct nesting_info): Add field_map,
18511 suppress_expansion, debug_var_chain.
18512 (create_nesting_tree): Initialize them.
18513 (lookup_field_for_decl): Use field_map.
18514 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18515 (convert_local_omp_clauses): New.
18516 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18517 (walk_body): Split out of walk_function.
18518 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18519 (convert_nonlocal_reference): Handle omp statements.
18520 (convert_local_reference): Likewise.
18521 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18522 (unnest_nesting_tree): New.
18523 (lower_nested_functions): Call it.
18524 (insert_field_into_struct): Make extern.
18525 (struct walk_stmt_info): Move to tree-gimple.h.
18526 (walk_stmts): Make extern.
18527 * omp-builtins.def: New file.
18528 * tree-iterator.c (expr_only): Clarify comment.
18529 * c-common.h (pushdecl_top_level, pushdecl,
18530 build_modify_expr, build_indirect_ref,
18531 c_finish_omp_master, c_finish_omp_critical,
18532 c_finish_omp_ordered, c_finish_omp_barrier,
18533 c_finish_omp_atomic, c_finish_omp_flush,
18534 c_finish_omp_for, c_split_parallel_clauses,
18535 omp_clause_default_kind, c_omp_sharing_predetermined,
18536 c_omp_remap_decl): Declare.
18537 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18538 (OBJS-common): Add omp-low.o.
18539 (c-omp.o, omp-low.o): Add.
18540 (gimplify.o): Add dependency on $(OPTABS_H).
18541 (GTFILES): Add omp-low.c.
18542 (gt-stringpool.h): Add.
18543 * tree-cfg.c (set_bb_for_stmt): Do not update the
18544 block-to-labels map if we are currently expanding to RTL.
18545 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18547 Handle IDENTIFIER_NODE.
18548 (tree_verify_flow_info): Do not ICE when emitting error
18549 messages about invalid labels.
18550 (dump_function_to_file): Reset CFUN before emitting the body
18552 (debug_function): New.
18553 * passes.c (init_optimization_passes): Schedule
18555 * langhooks-def.h (lhd_omp_predetermined_sharing,
18556 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18558 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18559 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18560 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18561 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18562 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18563 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18564 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18565 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18566 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18567 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18568 (LANG_HOOK_DECLS): Use them.
18570 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18571 Richard Henderson <rth@redhat.com>
18572 Jakub Jelinek <jakub@redhat.com>
18573 Diego Novillo <dnovillo@redhat.com>
18575 * c-parser.c (pragma_omp_clause): Define.
18576 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18577 (c_parser_compound_statement): Likewise.
18578 (c_parser_statement): Likewise.
18579 (c_parser_pragma): Handle omp pragmas.
18580 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18581 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18582 (c_parser_omp_clause_name, check_no_duplicate_clause,
18583 c_parser_omp_variable_list,
18584 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18585 c_parser_omp_clause_copyprivate,
18586 c_parser_omp_clause_default,
18587 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18588 c_parser_omp_clause_lastprivate,
18589 c_parser_omp_clause_nowait,
18590 c_parser_omp_clause_num_threads,
18591 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18592 c_parser_omp_clause_reduction,
18593 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18594 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18595 c_parser_omp_atomic, c_parser_omp_barrier,
18596 c_parser_omp_critical, c_parser_omp_flush,
18597 c_parser_omp_for_loop, c_parser_omp_for,
18598 c_parser_omp_master, c_parser_omp_ordered,
18599 c_parser_omp_sections_scope, c_parser_omp_sections,
18600 c_parser_omp_parallel, c_parser_omp_single,
18601 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18602 * c-pragma.c (init_pragma): Do omp pragma registration here.
18603 * c.opt (fopenmp): New flag.
18605 2006-01-18 Eric Christopher <echristo@apple.com>
18607 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18608 * config/darwin.h (GOMP_SELF_SPECS): Define.
18610 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18612 * rtl.h: Remove the prototype for reg_alloc.
18614 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18617 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18618 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18619 sjlj and dwarf2 exception handling.
18620 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18621 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18622 * pa/pa.c (function_value): Treat complex and vector types as
18624 (function_arg): Likewise. Only pass scalar floats in the floating
18625 point argument registers.
18626 * pa/t-slibgcc-dwarf-ver: New file.
18627 * pa/t-slibgcc-sjlj-ver: New file.
18628 * pa/t-slibgcc-elf-ver: Delete file.
18630 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18632 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18633 unlikely_test_section_p test.
18635 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18637 * mode-switching.c (optimize_mode_switching): Make it static.
18638 * basic-block.h: Remove the prototype for
18639 optimize_mode_switching.
18641 * modulo-sched.c (sms_schedule): Make it static.
18642 * rtl.h: Remove the prototype for sms_schedule.
18644 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18645 * rtl.h: Remove the prototype for gcse_after_reload_main.
18647 * reg-stack.c (reg_to_stack): Make it static.
18648 * rtl.h: Remove the prototype for reg_to_stack.
18650 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18652 * rtl.h: Remove the prototypes for regrename_optimize and
18653 copyprop_hardreg_forward.
18655 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18657 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18658 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18659 Test against the appropriate null constant for the mode.
18660 If 'fixup_overlap' is true, swap the operands if they overlap.
18661 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18662 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18663 alpha_split_tmode_pair and adjust for above change.
18664 * config/alpha/alpha.md (movtf_internal): Adjust call to
18665 alpha_split_tfmode_pair and rely on it to swap the operands.
18666 (movti_internal): New insn and post-reload splitter.
18667 (movti): New expander.
18669 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18671 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18674 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18676 * rtlanal.c (global_reg_mentioned_p_1,
18677 global_reg_mentioned_p): Remove.
18678 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18680 * flow.c (initialize_uninitialized_subregs): Make it static.
18681 * rtl.h: Remove the prototype for
18682 initialize_uninitialized_subregs.
18684 * function.c (instantiate_virtual_regs): Make it static.
18685 * function.h: Remove the prototype for
18686 instantiate_virtual_regs.
18688 * regmove.c (regmove_optimize, combine_stack_adjustments):
18690 * rtl.h: Remove the prototypes for regmove_optimize and
18691 combine_stack_adjustments.
18693 2006-01-17 Roger Sayle <roger@eyesopen.com>
18695 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18696 (size_cost): Encode costs in bytes so that a reg-reg addition is
18697 equivalent to COSTS_N_INSNS(1).
18698 (override_options): Use the size_cost.branch_cost as the default
18699 ix86_branch_cost when optimizing for size.
18701 2006-01-18 Ben Elliston <bje@au.ibm.com>
18703 * Makefile.in (D32PBIT_FUNCS): New.
18704 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18705 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18706 D64PBIT_FUNCS and D128PBIT_FUNCS.
18707 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18708 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18710 (decnumber_dep): Define.
18711 * doc/libgcc.texi (Decimal float library routines): New node.
18712 * config/dfp-bit.h, config/dfp-bit.c: New files.
18714 2006-01-18 Ben Elliston <bje@au.ibm.com>
18716 * expr.c (emit_move_change_mode): Always adjust addresses, not
18717 just during reload. Copy replacements only during reload.
18718 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18719 emit_move_via_integer.
18721 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18723 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18724 instead of $(srcdir) and ${srcdir}.
18726 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18729 PR middle-end/11135
18730 * arm.h (struct machine_function): Add pic_reg.
18731 * arm.c (arm_pic_register): Make unsigned.
18732 (arm_override_options): Only set arm_pic_register if
18733 TARGET_SINGLE_PIC_BASE.
18734 (use_return_insn): Only test for a pic register if it is fixed.
18735 (arm_compute_save_reg0_reg12_mask): Likewise.
18736 (thumb_compute_save_reg_mask): Likewise.
18737 (legitimate_pic_operand): Factor out some known invariants.
18738 (legitimize_pic_address): If we don't have a fixed pic register,
18739 then set up a pseudo in the function entry sequence. Handle the
18740 pic base being in a pseudo.
18741 (arm_load_pic_register): Handle the pic register being in a pseudo.
18742 (arm_expand_prologue): Only set up the pic register if it is fixed.
18743 (thumb_expand_prologue): Likewise.
18744 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18745 (pic_load_addr_based_insn): Likewise.
18746 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18749 2006-01-18 Ben Elliston <bje@au.ibm.com>
18751 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18752 decimal float modes for all floating point registers.
18754 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18755 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18757 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18760 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18761 even when the pointer is not NULL.
18763 2006-01-16 Ian Lance Taylor <ian@airs.com>
18765 * common.opt (ftoplevel-reorder): New option.
18766 * cgraph.c (cgraph_asm_nodes): New global variable.
18767 (cgraph_asm_last_node): New static variable.
18768 (cgraph_order): New global variable.
18769 (cgraph_create_node): Set new order field.
18770 (cgraph_varpool_node): Likewise.
18771 (decide_is_variable_needed): Return true if not
18772 flag_toplevel_reorder.
18773 (cgraph_add_asm_node): New function.
18774 * cgraph.h (struct cgraph_node): Add order field.
18775 (struct cgraph_varpool_node): Add order field.
18776 (struct cgraph_asm_node): Define.
18777 (cgraph_asm_nodes, cgraph_order): Declare.
18778 (cgraph_add_asm_node): Declare.
18779 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18781 (cgraph_varpool_assemble_pending_decls): Call it.
18782 (cgraph_output_pending_asms): New static function.
18783 (cgraph_finalize_compilation_unit): Call it.
18784 (struct cgraph_order_sort): Define.
18785 (cgraph_output_in_order): New static function.
18786 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18787 !flag_toplevel_reorder case.
18788 * c-parser.c: Include "cgraph.h".
18789 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18791 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18792 than -fno-unit-at-a-time.
18793 * doc/invoke.texi (Option Summary): Mention
18794 -fno-toplevel-reorder.
18795 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18796 -funit-at-a-time documentation.
18798 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18799 Kazu Hirata <kazu@codesourcery.com>
18801 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18803 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18805 * Makefile.in (FUNCTION_H): New. Use it instead of
18806 function.h throughout the file.
18807 * function.h: Include tree.h.
18809 2006-01-17 Ben Elliston <bje@au.ibm.com>
18811 * recog.c: Separate some functions with whitespace.
18813 2006-01-16 Richard Henderson <rth@redhat.com>
18815 Merge from gomp branch:
18816 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18817 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18818 and rename from struct inline_data. Rename callee* to dst*;
18819 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18820 transform_new_cfg, transform_return_to_modify, and
18821 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18823 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18824 (copy_decl_for_dup): Remove.
18825 * tree-inline.c (struct inline_data): Move to header.
18826 (insert_decl_map): Export.
18827 (remap_decl): Update for member name changes. Use copy_decl hook.
18828 Allow for replacement to be a non-decl. Remove dead code.
18829 (remap_type_1): Check for existing mapping.
18830 (remap_type): Export.
18831 (remap_decls): Update for member name changes.
18832 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18833 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18834 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18835 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18836 (tree_function_versioning, build_duplicate_type): Likewise.
18837 (copy_body_r): Likewise. Export.
18838 (copy_decl_for_dup): Split into ...
18839 (copy_decl_for_dup_finish, copy_decl_to_var,
18840 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18841 (replace_ref_tree, inlining_p): Remove.
18843 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18845 * ifcvt.c (if_convert): Make it static.
18846 * rtl.h: Remove the prototype for if_convert.
18848 * local-alloc.c (local_alloc): Make it static.
18849 * rtl.h: Remove the prototype for local_alloc.
18851 * loop.c (loop_optimize): Make it static.
18852 * cfgloop.h: Remove the prototype for loop_optimize.
18855 2006-01-16 DJ Delorie <dj@redhat.com>
18857 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18860 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18862 * pa.md: Disparage copies between general and floating-point registers
18863 in 32-bit move patterns.
18865 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18868 * Makefile.in (check-%): Depend on site.exp instead of
18869 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18872 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18874 * global.c (global_alloc): Make it static.
18875 * rtl.h: Remove the prototype for global_alloc.
18877 2006-01-16 Richard Guenther <rguenther@suse.de>
18879 * tree-ssa-alias.c (struct used_part): Add write_only field.
18880 (get_or_create_used_part_for): Initialize it to true.
18881 (create_overlap_variables_for): Don't create structure variables
18882 for structures that only are written to.
18883 (find_used_portions): Handle MODIFY_EXPR to track whether a
18884 structure is only written to.
18886 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18888 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18890 * basic-block.h: Remove the prototype for
18891 partition_hot_cold_basic_blocks.
18893 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18895 * cppspec.c (lang_specific_spec_functions): Remove.
18896 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18897 * gcc.h (lang_specific_spec_functions): Remove.
18898 * gccspec.c (lang_specific_spec_functions): Remove.
18900 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18902 * combine.c (record_value_for_reg): Invalidate registers
18904 (record_dead_and_set_regs_1): Likewise, by passing them to
18905 record_value_for_reg.
18906 (record_dead_and_set_regs): Invalidate stores made by a
18907 call. We do not combine across a call, but we still
18908 relied on equivalences.
18910 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18912 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18913 vrp_int_const_binop returning non-constant nodes.
18915 2006-01-16 Paul Brook <paul@codesourcery.com>
18917 * config/m68k/m68k.c (output_move_const_into_data_reg):
18918 Output correct mnemonic for mvz and mvs.
18920 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18922 * rtl-factoring.c: Add sequence abstraction algorithm.
18923 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18924 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18926 (block_has_preserve_label): New function.
18927 * common.opt: Register new pass.
18928 * Makefile.in: Ditto.
18930 * timevar.def: Ditto.
18931 * tree-pass.h: Ditto.
18932 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18933 * rtl.h (make_jump_insn_raw): Add forward decl.
18934 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18936 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18937 Roger Sayle <roger@eyesopen.com>
18939 * fold-const.c (fold_minmax): New static function.
18940 (fold_binary) <MIN_EXPR>: Call it.
18941 <MAX_EXPR>: Likewise.
18942 * stor-layout.c (place_field): Use DECL_SIZE consistently
18943 in the computation of the new record size.
18945 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18947 * cse.c (cse_condition_code_reg): Make it static.
18948 * rtl.h: Remove the prototype for cse_condition_code_reg.
18950 * combine.c (combine_instructions): Make it static.
18951 * rtl.h: Remove the prototype for combine_instructions.
18953 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18956 * tree.c (get_file_function_name_long): Concatenate the first global
18957 object name with a string derived from the input filename of the object
18960 2006-01-16 Ben Elliston <bje@au.ibm.com>
18962 * config/i386/winnt-stubs.c: Update FSF address.
18963 * config/xtensa/ieee754-df.S: Ditto.
18964 * config/xtensa/ieee754-sf.S: Ditto.
18966 2006-01-14 Ian Lance Taylor <ian@airs.com>
18968 * ifcvt.c (noce_init_if_info): New static function, broken out of
18969 noce_process_if_block.
18970 (noce_process_if_block): Call noce_init_if_info.
18971 (check_cond_move_block): New static function.
18972 (cond_move_process_if_block): New static function.
18973 (process_if_block): Call cond_move_process_if_block.
18975 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
18977 * cselib.c (hash_table): Rename to cselib_hash_table.
18978 (cselib_clear_table, discard_useless_values,
18979 remove_useless_values, cselib_lookup_mem, cselib_lookup,
18980 cselib_init, cselib_finish): Adjust uses of hash_table.
18982 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
18984 PR tree-optimization/25485
18985 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
18986 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
18987 is known to be false and true, respectively.
18989 2006-01-14 Richard Guenther <rguenther@suse.de>
18991 PR tree-optimization/22548
18992 PR tree-optimization/22555
18993 PR tree-optimization/22501
18994 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
18995 * params.def (salias-max-array-elements): New parameter.
18996 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
18997 * doc/invoke.texi (salias-max-array-elements): Document.
18998 * tree-flow-inline.h (var_can_have_subvars): We also handle
19000 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19002 * tree-ssa-structalias.c (params.h): Include.
19003 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19004 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19005 (get_constraint_for): For ADDR_EXPR operating on something
19006 containing an ARRAY_REF, add all subvars to the solution.
19007 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19008 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19009 for creating MUST_DEFs.
19010 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19012 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19014 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19016 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19017 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19018 number_of_iterations_le): New functions.
19019 (number_of_iterations_special): Removed.
19020 (number_of_iterations_exit): Do not use number_of_iterations_special.
19021 * tree.c (unsigned_type_for): Always return integer type.
19023 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19024 Richard Guenther <rguenther@suse.de>
19026 PR rtl-optimization/24257
19027 * gcse.c (find_moveable_store): Only consider a store movable
19028 when the SET_SRC of the insn can be assigned to a register.
19030 2006-01-14 Ian Lance Taylor <ian@airs.com>
19032 * tree.c (tree_not_class_check_failed): New function.
19033 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19034 (tree_not_class_check_failed): Declare.
19036 2006-01-13 Ian Lance Taylor <ian@airs.com>
19038 * reload1.c (do_output_reload): Add assertion rejecting a
19041 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19043 * combine.c (struct reg_stat): Add new fields truncation_label and
19045 (record_value_for_reg): Reset truncated_to_mode.
19046 (record_truncated_value): New function.
19047 (check_promoted_subreg): Call it. Rename to check_conversions.
19048 (combine_instructions): Rename check_promoted_subreg to
19050 (reg_truncated_to_mode): New function.
19051 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19052 (gen_lowpart_or_truncate): New function.
19053 (force_to_mode): Use it instead of gen_lowpart.
19055 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19057 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19058 VAR is a tag, not its type tag.
19060 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19062 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19063 alternatives to match style of other entries.
19064 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19066 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19068 PR tree-optimization/25771
19069 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19072 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19075 * tree-inline.c (declare_return_variable): If the return variable
19076 was marked as a non gimple complex, set the return slot variable
19077 to be a non gimple comple variable.
19079 2006-01-13 Richard Guenther <rguenther@suse.de>
19081 * builtins.c (expand_builtin_sincos): New function.
19082 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19084 (expand_builtin): Expand sincos using expand_builtin_sincos.
19086 2006-01-12 DJ Delorie <dj@redhat.com>
19088 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19089 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19090 so that constant shifts can be split.
19091 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19092 (m32c_valid_pointer_mode): Make static.
19093 (shift_gen_func_for): New.
19094 (m32c_prepare_shift): Use it. Split large const shifts into
19096 * config/m32c/predicates.md (shiftcount_operand): Allow more
19098 (longshiftcount_operand): New.
19099 * doc/md.texi (Machine Constraints): Document In6.
19101 2006-01-13 Ben Elliston <bje@au.ibm.com>
19103 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19104 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19107 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19109 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19110 to try to avoid clobbering pieces of structures when we know
19111 something about the whole structure.
19112 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19114 2006-01-13 Ben Elliston <bje@au.ibm.com>
19116 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19117 return in memory, as this is no limitation is no longer present.
19119 2006-01-12 DJ Delorie <dj@redhat.com>
19121 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19122 mova with fb, and for fb+0 -> An.
19124 * config/m32c/mov.md (peephole2): Fix enabling logic.
19126 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19127 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19128 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19129 FINI_ARRAY_SECTION_ASM_OP): Define.
19131 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19133 (m32c_legitimize_reload_address): New logic to reload FB to An.
19134 (m32c_output_reg_push): Add newline.
19135 (m32c_output_reg_pop): Likewise.
19137 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19139 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19141 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19143 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19145 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19147 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19150 2006-01-11 Ben Elliston <bje@au.ibm.com>
19152 * rtlanal.c (find_reg_note): Assert insn is not null.
19154 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19156 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19159 2006-01-11 Jeff Law <law@redhat.com>
19161 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19163 (mark_threaded_blocks, register_jump_thread): New functions.
19164 (thread_through_all_blocks): Remove unwanted argument. No
19165 longer rely on e->aux to communicate thread target info.
19166 Call mark_threaded_blocks. Release the threaded_blocks
19167 bitmap and threaded_edges vector when complete.
19168 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19169 (threaded_blocks): Remove.
19170 (tree_ssa_dominator_optimize): Remove initialization and
19171 finalization of threaded_blocks. Simplify call to
19172 thread_through_all_blocks.
19173 (thread_across_edge): Call register_jump_thread rather than
19174 storing thread information into e->aux.
19175 (free_all_edge_infos): Simplify now that e->aux is no longer
19176 used to communicate with thread_through_all_blocks.
19177 * tree-flow.h (thread_through_all_blocks): Update prototype.
19178 (register_jump_thread): Prototype.
19180 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19182 * df-core.c (df_compact_blocks, df_bb_replace): Use
19183 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19185 2006-01-11 Richard Guenther <rguenther@suse.de>
19187 PR tree-optimization/25734
19188 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19189 stop propagation after successful propagation to the LHS.
19191 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19193 * basic-block.h (control_flow_graph): Change the type of
19194 x_basic_block_info to VEC(basic_block,gc) *.
19195 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19197 (SET_BASIC_BLOCK): New.
19198 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19199 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19200 * cfgbuild.c (find_basic_blocks): Likewise.
19201 * cfglayout.c (fixup_reorder_chain): Likewise.
19202 * cfgrtl.c (create_basic_block_structure,
19203 rtl_create_basic_block): Likewise.
19204 * ifcvt.c (find_if_case_1): Likewise.
19205 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19208 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19210 * Makefile.in: Removed rotted odf.c entry.
19212 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19215 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19216 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19217 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19218 output pattern modifier, not %e.
19219 * config/cris/cris.c (cris_op_str): Update comment about pattern
19221 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19222 before falling through into...
19223 <case 'E'>: Redefined from old 'e' case.
19225 2006-01-11 Jan Hubicka <jh@suse.cz>
19228 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19230 2006-01-11 Jan Hubicka <jh@suse.cz>
19232 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19233 * i386.c (x86_decompose_lea): Kill.
19234 (ix86_rtx_costs): Kill.
19236 2006-01-11 Jan Hubicka <jh@suse.cz>
19238 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19239 * cgraph.h (cgraph_node): Add inline_decl.
19240 (cgraph_insert_node_to_hashtable): Declare.
19241 (save_inline_function_body): Declare.
19242 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19244 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19245 (cgraph_function_versioning): Update call of tree_function_versioning.
19246 (save_inline_function_body): New function.
19247 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19248 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19249 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19250 (cgraph_default_inline_p): Likewise.
19251 (cgraph_decide_inlining_incrementally): Likewise.
19252 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19253 (copy_bb): Kill saving; do updating of clones.
19254 (copy_cfg_body): Kill saving.
19255 (initialize_inlined-parameters): Likewise.
19256 (expand_call_inline): Likewise.
19258 (tree_function_versioning): New parameter "update_clones".
19259 (inlining_p): Kill saving.
19260 * tree-inline.h (tree_function_versioning): Update prototype.
19261 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19264 2006-01-11 Ian Lance Taylor <ian@airs.com>
19266 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19267 Allow undoing set of machine mode.
19268 (do_SUBST): Use enums instead of is_int.
19269 (do_SUBST_MODE): New function.
19270 (SUBST_MODE): New macro.
19271 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19272 reg and trying to replace reg_regno_rtx with a new register.
19273 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19274 (simplify_set): Use SUBST_MODE.
19275 (distribute_notes): Remove code that tried to update reg notes
19276 for regno_reg_rtx changes.
19278 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19280 PR tree-optimization/23109
19281 PR tree-optimization/23948
19282 PR tree-optimization/24123
19284 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19285 * tree-cfg.c (single_noncomplex_succ): New.
19286 * tree-flow.h (single_noncomplex_succ): Declare it.
19287 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19288 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19289 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19290 insert_bb, register_division_in, insert_reciprocals,
19291 replace_reciprocal, free_bb): New.
19292 (execute_cse_reciprocals_1): Rewritten.
19293 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19294 Do not commit any edge insertion. Always compute dominators and
19295 create the allocation pool.
19296 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19297 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19298 * targhooks.c (default_min_divistions_for_recip_mul): New.
19299 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19300 * passes.c (init_optimization_passes): Run recip after tree loop
19302 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19304 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19305 Kenneth Zadeck <zadeck@naturalbridge.com>
19307 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19308 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19309 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19310 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19311 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19312 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19313 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19314 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19315 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19316 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19317 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19318 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19319 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19320 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19321 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19322 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19323 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19324 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19325 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19326 DF_SCAN_POST_ALLOC): New macros.
19327 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19328 df_free_bb_function, df_local_compute_function, df_init_function,
19329 df_dataflow_function, df_confluence_function_0,
19330 df_confluence_function_n, df_transfer_function,
19331 df_finalizer_function, df_free_function, df_dump_problem_function,
19332 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19333 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19334 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19335 df_urec_bb_info, ) New types.
19336 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19338 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19339 df_analyze_simple_change_some_blocks,
19340 df_analyze_simple_change_one_block, df_compact_blocks,
19341 df_bb_replace, df_bb_regno_last_use_find,
19342 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19343 df_insn_regno_def_p, df_find_def, df_find_use,
19344 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19345 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19346 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19347 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19348 debug_df_chain, df_get_dependent_problem, df_chain_create,
19349 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19350 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19351 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19352 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19353 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19354 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19355 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19356 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19357 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19358 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19359 df_reorganize_refs, df_set_state, df_hard_reg_init,
19360 df_read_modify_subreg_p) New public functions.
19361 * df-core.c: The core dataflow solver and glue routines for rtl
19363 (df_init, df_add_problem, df_set_blocks, df_finish,
19364 df_hybrid_search_forward, df_hybrid_search_backward,
19365 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19366 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19367 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19368 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19369 df_reg_defined, df_find_use, df_reg_used, df_dump,
19370 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19371 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19372 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19373 debug_df_useno, reset_df_after_reload): New functions.
19374 * df-scan.c: The scanning fuctions, once in df.c, completely
19375 rewritten so that they now fully model the functionality of
19376 register usage at the backend.
19377 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19378 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19379 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19380 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19381 df_get_artificial_defs, df_get_artificial_uses,
19382 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19383 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19384 df_refs_delete, df_reorganize_refs, df_set_state,
19385 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19386 df_def_record_1, df_defs_record, df_uses_record,
19387 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19388 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19389 df_record_exit_block_uses, df_hard_reg_init): New functions.
19391 * df-problems.c: Seven concrete dataflow problems that use the
19392 scanning in df-scan.c and are solved by the engine in df-core.c.
19393 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19394 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19395 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19396 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19397 df_ru_free_bb_info, df_ru_alloc,
19398 df_ru_bb_local_compute_process_def,
19399 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19400 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19401 df_ru_transfer_function, df_ru_free, df_ru_dump,
19402 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19403 df_rd_free_bb_info, df_rd_alloc,
19404 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19405 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19406 df_rd_transfer_function, df_rd_free, df_rd_dump,
19407 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19408 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19409 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19410 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19411 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19412 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19413 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19414 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19415 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19416 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19417 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19418 df_urec_mark_reg_use_for_earlyclobber,
19419 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19420 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19421 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19422 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19423 df_chain_create_bb_process_use, df_chain_create_bb,
19424 df_chain_finalize, df_chain_free, df_chains_dump,
19425 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19426 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19427 df_reg_lifetime): New functions.
19428 * df.c: Deleted file.
19429 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19430 consistent with new df api.
19431 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19432 rest_of_handle_sms): Ditto.
19433 * web.c (unionfind_union, union_defs, entry_register, web_main):
19435 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19436 invariant_expr_equal_p, find_defs, check_dependencies,
19437 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19438 free_inv_motion_data, move_loop_invariants): Ditto.
19439 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19440 Update dependencies.
19441 (odf.c): Added defective entry that was deleted later in day.
19442 * sched-deps.c (sched_analyze_1): Ditto.
19444 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19446 * tree-ssa-operands.c (get_expr_operands): Record addressable
19447 variables directly. Do not call add_stmt_operands for CONST_DECLs
19449 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19450 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19452 2006-01-11 Ben Elliston <bje@au.ibm.com>
19454 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19455 function returns true in the positive case.
19457 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19460 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19461 for SI, DI, SF and DF modes. Add alternatives to copy between
19462 general and floating point registers to the 32-bit patterns.
19463 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19464 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19465 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19466 generating 64-bit code.
19467 * config/pa/pa.c (output_move_double): Handle copies between general
19468 and floating registers.
19470 2006-01-10 Stuart Hastings <stuart@apple.com>
19472 * config/i386/i386.md (set_got): Update.
19473 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19474 (builtin_setjmp_receiver): Mach-O support.
19475 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19476 (GOT_SYMBOL_NAME): Define.
19477 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19478 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19479 * config/i386/i386.c (override_options): Revise for Darwin.
19480 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19481 support. (darwin_x86_file_end): New. (output_set_got): Add label
19482 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19483 * config/i386/i386-protos.h (output_set_got): Likewise.
19484 * config/darwin.c (machopic_legitimize_pic_address): Update
19487 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19489 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19490 when MODE isn't BLKmode.
19492 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19494 PR rtl-optimization/25367
19495 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19497 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19500 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19501 for a negative bound.
19503 2006-01-10 Richard Guenther <rguenther@suse.de>
19505 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19506 Never override with anything constraint.
19508 2006-01-10 Jan Beulich <jbeulich@novell.com>
19510 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19511 256 bits when optimize_size.
19513 2006-01-10 Jan Beulich <jbeulich@novell.com>
19515 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19517 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19518 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19521 2006-01-10 Ben Elliston <bje@au.ibm.com>
19523 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19525 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19526 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19527 (USE_FP_FOR_ARG): Reject decimal float modes.
19528 (function_arg_advance): Likewise.
19529 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19530 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19531 point types in AltiVec vectors.
19532 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19533 (rs6000_libcall_value): Likewise.
19535 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19537 * config/xtensa/ieee754-df.S: New file.
19538 * config/xtensa/ieee754-sf.S: New file.
19539 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19540 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19541 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19543 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19545 * config/sh/predicates.md (binary_float_operator,
19546 binary_logical_operator, commutative_float_operator,
19547 equality_comparison_operator, greater_comparison_operator,
19548 less_comparison_operator, logical_operator,
19549 noncommutative_float_operator, shift_operator,
19550 symbol_ref_operand, unary_float_operator): Remove redundant
19553 2006-01-09 Jeff Law <law@redhat.com>
19555 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19556 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19557 now unused arguments. Callers updated.
19558 (eliminate_redundant_computations): Remove now unused arguments,
19560 (local_fold): Remove, no longer used.
19561 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19563 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19564 (simplify_cond): New function.
19565 (forward_propagate_into_cond): Call simplify_cond.
19567 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19569 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19570 (*vec_extractv2di_1_sse): New.
19572 2006-01-09 Ben Elliston <bje@au.ibm.com>
19574 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19576 2006-01-08 Richard Guenther <rguenther@suse.de>
19578 * tree-ssa-structalias.c (get_constraint_for): Remove
19579 anyoffset argument.
19580 (get_constraint_for_component_ref): Likewise.
19581 (do_deref): Likewise.
19582 (get_constraint_for): Likewise.
19583 (do_structure_copy): Likewise.
19584 (handle_ptr_arith): Likewise.
19585 (find_func_aliases): Likewise. Remove unused need_anyoffset
19588 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19589 Kaz Kojima <kkojima@gcc.gnu.org>
19591 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19592 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19593 (EXTRA_CONSTRAINT_C16): Remove.
19594 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19595 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19596 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19597 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19598 constants of SHmedia. Handle nested constant expressions of
19600 (andcosts): Fix the costs for SHmedia constants.
19601 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19602 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19603 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19604 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19605 (movv4hi_i, movv2si_i): Likewise.
19606 (movsi_const): Adjust the second operand of ior so to match with
19607 the Csu constraint.
19608 (movdi_const, movdi_const_32bit): Likewise.
19609 (movdi_const_16bit+1): Don't sign-extend LOW.
19610 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19612 (*double_shori): Fix the split condition. Use GEN_INT instead
19613 of get_int_mode calls. Mask lower 16-bit of the argument of
19615 (sym2GOTPLT): Remove.
19616 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19618 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19619 instead of EXTRA_CONSTRAINT_C16.
19621 2006-01-07 Ian Lance Taylor <ian@airs.com>
19622 David Edelsohn <edelsohn@gnu.org>
19624 PR rtl-optimization/25662
19625 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19626 for constant operands instead of simplify_gen_binary.
19627 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19628 after trying simplify_binary_operation
19630 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19632 * tree.c (iterative_hash_expr): Hash decls based on UID.
19634 2006-01-06 Eric Christopher <echristo@apple.com>
19636 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19637 (TARGET_UNWIND_EMIT): Fix spelling.
19638 * target.h (gcc_target): Add except_table_label.
19639 * except.c (output_function_exception_table): Use.
19640 * varasm.c (default_emit_except_table_label): New.
19641 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19643 (asm_out): Add here.
19644 * output.h (default_emit_except_table_label): Prototype.
19645 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19646 * config/darwin.c (darwin_emit_except_table_label): Define.
19647 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19649 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19651 PR tree-optimization/18527
19652 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19653 number_of_iterations_special, number_of_iterations_exit):
19654 Move base and step of an iv to a single structure. Add
19655 no_overflow flag, and use it in # of iterations analysis.
19656 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19657 folded_casts argument.
19658 (simple_iv): Pass base and step in a structure. Set no_overflow
19660 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19661 Evaluate expensiveness of computing # of iterations instead of
19662 the final expression.
19663 * tree-scalar-evolution.h (affine_iv): New structure.
19664 (simple_iv): Declaration changed.
19665 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19666 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19667 find_givs_in_stmt): Changed due to simple_iv change.
19669 2006-01-06 Jeff Law <law@redhat.com>
19672 * tree-cfg.c (bsi_replace): Rename final argument from
19673 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19674 change (stmt -> orig_stmt).
19675 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19676 (bsi_remove): Add new argument. Remove EH information
19678 (verify_eh_throw_table_statements): New function.
19679 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19681 * tree-optimize.c (execute_free_cfg_annotations): Verify
19682 the EH throw statement table after removing annotations.
19683 * except.h (verify_eh_throw_table_statements): Prototype.
19684 * tree-flow.h (bsi_remove): Update prototype.
19685 * tree-vrp.c (remove_range_assertions): Add new argument to
19687 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19688 * tree-complex.c (expand_complex_div_wide): Likewise.
19689 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19690 * tree-tailcall.c (eliminate_tailcall): Likewise.
19691 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19692 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19693 * tree-nrv.c (tree_nrv): Likewise.
19694 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19695 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19696 (combine_blocks): Likewise.
19697 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19698 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19699 (cleanup_control_flow): Likewise.
19700 (remove_forwarder_block): Likewise.
19701 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19702 * tree-sra.c (sra_replace): Likewise.
19703 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19704 (forward_propagate_single_use_vars): Likewise.
19705 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19706 * tree-inline.c (expand_call_inline): Likewise.
19707 * tree-vect-transform.c (vect_transform_loop): Likewise.
19708 * tree-outof-ssa.c (rewrite_trees): Likewise.
19709 * tree-cfg.c (make_goto_expr_edges): Likewise.
19710 (cleanup_dead_labels): Likewise.
19711 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19712 (bsi_move_before, bsi_move_after): Likewise.
19713 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19714 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19716 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19719 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19721 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19722 on non gimple variables. Also add checks at the top for decls and
19724 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19726 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19727 and IMAGPART_EXPR for creating MUST_DEFs.
19728 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19729 and NAME_MEMORY_TAG separately from the DECLs.
19731 2006-01-06 Richard Guenther <rguenther@suse.de>
19733 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19734 annotation, if necessary.
19735 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19736 redundant calls to update_stmt.
19737 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19740 2006-01-05 Richard Henderson <rth@redhat.com>
19742 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19744 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19746 * c-typeck.c: Update copyright date.
19748 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19750 * c-typeck.c (build_c_cast): Always warn when casting
19751 from a pointer to an integer of different size, even if
19752 the node was constant.
19754 2006-01-05 Richard Guenther <rguenther@suse.de>
19756 PR tree-optimization/22555
19757 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19758 if one structure field is an array.
19759 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19760 operands even if we found a subvar, but ignore VOPs in this
19762 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19764 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19766 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19768 PR middle-end/24998
19769 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19771 2006-01-05 Richard Guenther <rguenther@suse.de>
19772 Diego Novillo <dnovillo@redhat.com>
19774 * tree-pass.h (TODO_remove_unused_locals): Define.
19775 * gimple-low.c (expand_var_p, remove_useless_vars,
19776 pass_remove_useless_vars): Remove. Update all users.
19777 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19778 (remove_unused_locals): New function.
19779 * tree-flow.h (remove_unused_locals): Declare.
19780 * passes.c (execute_todo): Call remove_unused_locals if
19781 TODO_remove_unused_locals is set.
19782 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19783 * tree-ssa-dce.c (pass_dce): Likewise.
19784 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19786 2006-01-05 Richard Guenther <rguenther@suse.de>
19788 * tree-flow.h (struct fieldoff): Decompose field to
19789 type, size and decl.
19790 * tree-ssa-alias.c (create_sft): Take type as parameter.
19791 (create_overlap_variables_for): Store type, size and decl
19792 in the fieldoff structure.
19793 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19794 of struct fieldoff.
19795 (push_fields_onto_fieldstack): Likewise.
19796 (create_variable_info_for): Likewise. Use offset for the
19797 SFT name if the decl is not available.
19799 2006-01-04 Paul Brook <paul@codesourcery.com>
19801 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19803 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19805 * lambda-code.c (can_put_in_inner_loop): Relax
19807 (can_put_after_inner_loop): New function.
19808 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19809 (perfect_nestify): Change to make copies and modify uses.
19811 2006-01-04 Richard Henderson <rth@redhat.com>
19813 Merge from gomp branch:
19814 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19815 via integer constant.
19816 (pragma_lex): Remove.
19817 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19818 rather than parsing it.
19819 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19820 handle_pragma_extern_prefix): Add %< %> quotes.
19821 (registered_pragmas): New.
19822 (c_register_pragma_1): New.
19823 (c_register_pragma): Use it.
19824 (c_register_pragma_with_expansion): Likewise.
19825 (c_invoke_pragma_handler): New.
19826 (init_pragma): Use cpp_register_deferred_pragma directly for
19828 * c-pragma.h (enum pragma_kind): New.
19829 (pragma_handler): New.
19830 (c_invoke_pragma_handler): Declare.
19831 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19833 * c-common.h (c_common_pch_pragma): Update decl.
19834 * Makefile.in (c-parser.o): Update dependencies.
19835 (GTFILES): Add c-pragma.h.
19836 * c-parser.c (struct c_token): Add pragma_kind.
19837 (struct c_parser): Add in_pragma.
19838 (c_lex_one_token): Always initialize keyword and pragma_kind.
19839 Extract data for CPP_PRAGMA.
19840 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19841 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19842 Don't allow CPP_PRAGMA_EOL if in_pragma.
19843 (c_parser_consume_pragma): New.
19844 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19845 (c_parser_skip_to_end_of_parameter): Likewise.
19846 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19847 (c_parser_skip_to_pragma_eol): New.
19848 (c_parser_external_declaration): Handle CPP_PRAGMA.
19849 (c_parser_compound_statement_nostart): Likewise.
19850 (c_parser_statement_after_labels): Likewise.
19851 (c_parser_pragma): New.
19852 (pragma_lex): Likewise.
19853 (c_parser_pragma_pch_preprocess): New.
19854 (c_parser_new): Merge into ...
19855 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19857 2006-01-04 Jeff Law <law@redhat.com>
19860 * tree-cfg.c (bsi_replace): Remove the original statement
19861 from the EH throw statement table.
19863 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19865 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19866 make the prototype extern "C" and add throw ().
19869 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19870 and pos non-negative and pos + len <= 32.
19871 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19872 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19873 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19876 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19877 as well as sizes not multiple of component size.
19880 * function.c (instantiate_expr): New function.
19881 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19882 walk its DECL_VALUE_EXPR with instantiate_expr.
19884 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19885 DW_OP_deref{,_size} if address isn't going to be added.
19887 2006-01-04 Ben Elliston <bje@au.ibm.com>
19889 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19890 * config/fp-bit.c: Likewise.
19892 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19894 * dominance.c: Add comment about why we use DFS numbering
19897 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19898 Richard Henderson <rth@redhat.com>
19900 Merge from gomp-branch:
19901 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19902 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19904 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19906 PR rtl-optimization/25578
19907 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19908 pass a parameter to simplify_shift_const if changing ASHIFTRT
19911 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19913 * builtins.c (get_builtin_sync_mem): New function.
19914 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19915 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19916 Call get_builtin_sync_mem to generate mem rtx.
19918 2006-01-03 Richard Guenther <rguenther@suse.de>
19921 * stmt.c (add_case_node): Make sure to clear overflow flags
19924 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19926 Merge from gomp-branch.
19927 * config/sparc/sync.md: New file.
19928 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19929 UNSPECV_LDSTUB): New constants.
19930 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19931 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19932 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19935 2006-01-03 Roger Sayle <roger@eyesopen.com>
19937 * combine.c (reg_subword_p): New predicate to test whether the
19938 destination of a set refers to a subword/piece of a register.
19939 (try_combine): Generalize the code to merge the setting of a
19940 pseudo to a constant followed by a set of a subword of that
19941 register to a constant.
19943 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19945 * basic-block.h (control_flow_graph): Change the type of
19946 x_label_to_block_map to VEC(basic_block,gc) *.
19947 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19948 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19950 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19951 VEC(basic_block,heap) *.
19952 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19953 ssa_prop_fini): Adjust the uses of cfg_blocks.
19955 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
19957 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
19959 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
19960 hashing trees instead of a pointer hash.
19961 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
19962 compare for MEM_EXPR.
19964 PR rtl-optimization/25130
19965 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
19966 when comparing MEMs for GCSE
19968 2006-01-03 Ben Elliston <bje@au.ibm.com>
19970 * targhooks.h (default_decimal_float_supported_p): Declare.
19971 * targhooks.c (default_decimal_float_supported_p): Define.
19972 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
19973 `default_decimal_float_supported_p'.
19974 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
19976 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
19978 * combine.c (apply_distributive_law <SUBREG>): Check
19979 TRULY_NOOP_TRUNCATION.
19981 2006-01-02 Geoffrey Keating <geoffk@apple.com>
19983 * dwarf2out.c (have_switched_text_section): Delete.
19984 (have_multiple_function_sections): New.
19985 (have_location_lists): Make 'bool'.
19986 (add_AT_loc_list): Use 'true' not '1'.
19987 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
19988 (output_loc_list): Use have_multiple_function_sections.
19989 (output_ranges): Likewise.
19990 (dwarf2out_begin_function): Set have_multiple_function_sections if
19992 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
19993 Check function_section rather than DECL_SECTION_NAME.
19994 (dwarf2out_finish): Use have_multiple_function_sections.
19995 Don't clear have_location_lists.
19997 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
19998 Jan Hubicka <jh@suse.cz>
20000 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20001 case of conditional jump jumping to the next instruction.
20002 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20003 cases of conditional jump jumping to the next instruction.
20005 2006-01-02 Jan Hubicka <jh@suse.cz>
20007 * i386.c (*_cost): Add COSTS_N_INSNS.
20008 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20010 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20013 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20015 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20017 * config/arm/arm.c (all_fpus): Fix comment typo.
20018 * config/darwin.c: Likewise.
20019 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20020 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20021 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20023 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20025 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20026 (rs6000_split_compare_and_swapqhi): New.
20027 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20028 (sync_compare_and_swapqhi_internal): New.
20029 * config/rs6000/rs6000-protos.h: Declare.