1 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
4 * config/spu/spu.md (extend_compare<mode>): New pattern.
5 (extend_compare): Change to expand and use the above pattern.
7 2006-11-29 Janis Johnson <janis187@us.ibm.com>
9 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
11 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
12 (DFP_INIT_ROUNDMODE): Define.
13 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
14 * mklibgcc.in: Fix dependencies for dfp-bit.c.
16 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
18 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
20 (associate_line_notes_with_blocks): Kill.
21 (extend_bb): Remove basic block argument, put void instead.
22 Remove line number handling for each bb.
23 (save_line_notes): Kill.
24 (restore_line_notes): Kill.
25 (sched_init): Remove line_note_head initialization.
26 Change extend_bb call.
27 (sched_finish): Remove free of line_note_head.
28 (add_block): Change extend_bb call.
29 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
30 rm_line_notes and restore_line_notes calls.
31 (schedule_ebbs): Remove rm_redundant_line_notes.
32 * sched-int.h (struct haifa_insn_data): Remove line_note.
33 (save_line_notes): Remove declaration.
34 (restore_line_notes): Remove declaration.
35 * modulo-sched.c (loop_canon_p): Update debug info printing
36 by using insn locators instead of line note.
37 (sms_schedule): Update debug info printing, by using insn
38 locators instead of line note.
39 * sched-rgn.c (debug_dependencies): Remove handling of case
40 n>0 (line number), since it's a dead code.
41 (schedule_region): Remove save_line_notes and
42 restore_line_notes calls.
44 2006-11-29 Joseph Myers <joseph@codesourcery.com>
46 * config/rs6000/predicates.md (gpc_reg_operand): Check
48 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
49 SImode subregs of SPE vectors.
50 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
51 * jump.c (true_regnum): Require subregs to satisfy
52 subreg_offset_representable_p.
54 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
55 Steven Bosscher <stevenb.gcc@gmail.com>
57 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
58 since it no longer exists.
60 2006-11-29 Duncan Sands <baldrick@free.fr>
62 PR tree-optimization/23744
63 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
65 2006-11-29 Duncan Sands <baldrick@free.fr>
67 PR tree-optimization/23744
68 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
70 2006-11-29 Duncan Sands <baldrick@free.fr>
72 PR tree-optimization/23744
73 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
75 2006-11-29 Jie Zhang <jie.zhang@analog.com>
77 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
79 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
81 * sh.opt (minline-ic_invalidate): New option.
82 (musermode): Adjust comment.
83 * sh.c (sh_initialize_trampoline): Emit library call unless
84 is set; if it is set, don't emit library call if we can use icbi
86 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
87 icbi for TARGET_SH4_300.
88 * t-sh (LIB1ASMFUNCS_CACHE): Set.
89 * doc/invoke.texi: Document -minline-ic_invalidate; Update
90 -musermode documentation.
92 2006-11-29 Jim Tison <jtison@us.ibm.com>
94 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
95 __gthread_recursive_mutex_init): Define.
97 2006-11-29 Joseph Myers <joseph@codesourcery.com>
99 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
100 STRICT_ALIGNMENT and the type is more aligned than the saved
101 registers, copy via a temporary.
103 2006-11-28 Andrew Pinski <pinskia@gmail.com>
106 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
109 2006-11-28 Bob Wilson <bob.wilson@acm.org>
111 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
113 2006-11-28 Jan Hubicka <jh@suse.cz>
115 Privatize SSA variables into gimple_df.
117 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
118 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
119 gimple_nonlocal_all): New accessors.
120 (first_referenced_var): Update.
121 (mark_stmt_modified): Update.
122 (is_call_clobbered): Update.
123 (mark_call_clobbered): Update.
124 (clear_call_clobbered): Update.
125 (mark_non_addressable): Update.
126 * tree-vrp.c (get_value_range): Update.
127 * tree-into-ssa.c (in_ssa_p): Kill.
128 (get_default_def_for): Update.
129 (rewrite_into_ssa): Update.
130 * tree-complex.c (init_parameter_lattice_values): Update.
131 (update_complex_assignment): Update.
132 (update_parameter_components): Update.
133 (expand_complex_libcall): Update.
134 (expand_complex_operations_1): Update.
135 * tree-tailcall.c (arg_needs_copy_p): Update.
136 (add_virtual_phis): Update.
137 (tree_optimize_tail_calls_1): Update.
138 * tree-ssa-dse.c (memory_ssa_name_same): Update.
139 * tree-ssa-copyrename.c
140 (copy_rename_partition_coalesce): Update.
141 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
142 * tree-ssa-propagate.c (set_rhs): Update.
143 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
144 addressable_vars, global_var):Kill.
145 (set_initial_properties): Update.
146 (init_alias_info): Update.
147 (finalize_ref_all_pointers): Update.
148 (setup_pointers_and_addressables): Update.
149 (maybe_create_global_var): Update.
150 (create_global_var): Update.
151 (dump_points_to_info): Update.
152 * function.h (struct gimple_df): Forward declare.
153 (struct function): Add GIMPLE_DF field.
154 * gimplify.c (force_gimple_operand): Update.
155 * tree-dfa.c (referenced_vars, default_defs): KIll.
156 (make_rename_temp): Update.
157 (dump_variable): Update.
158 (referenced_var_lookup): Update.
159 (referenced_var_check_and_insert): Update.
160 (default_def): Rename to ...
161 (gimple_default_def): ... this one; accept cfun argument.
162 (set_default_def): Update.
163 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
164 (cleanup_control_flow): Update.
165 * tree-ssa-pre.c (compute_avail): Update
166 * tree-ssa-live.c (calculate_live_on_entry): Update.
167 * tree-ssa.c (verify_use): Update.
168 (verify_call_clobbering): Update.
169 (verify_call_clobbering): Update.
170 (init_tree_ssa): Update.
171 (delete_tree_ssa): Update.
172 * tree-outof-ssa.c (coalesce_ssa_name): Update.
173 (rewrite_out_of_ssa): Update.
174 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
175 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
177 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
178 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
179 addressable_vars, aliases_computed_p): Kill.
180 (default_def): Rename to...
181 (gimple_default_def): ... this one.
182 (defaule_def_fn): Kill.
183 (num_referenced_vars, ssa_names, num_ssa_names): Update.
184 * tree-ssa-structalias.c (nonlocal_all): Kill.
185 (get_constraint_exp_from_ssa_var): Update.
186 (create_nonlocal_var): Update.
187 (get_constraint_for): Update.
188 (update_alias_info): Update.
189 (find_global_initializers): Update.
190 (intra_create_variable_infos): Update.
191 (intra_create_variable_infos):
192 (find_what_p_points_to): Update.
193 (init_alias_heapvars): Update.
194 * tree-cfg.c (remove_bb): Update.
195 (gimplify_val): Update.
196 * tree-ssa-reassoc.c (get_rank): Update.
197 (init_reassoc): Update.
198 * tree-ssanames.c: Do not include gt-tree-ssanames.h
199 (ssa_names, free_ssanames): Kill.
200 (init_ssanames): Update.
201 (make_ssa_name): Update.
202 (release_ssa_name): Update.
203 (release_defs): Update.
204 (replace_ssa_name_symbol): Update.
205 * tree-ssa-operands.c (access_can_touch_variable): Update.
206 (add_virtual_operand): Update.
207 (add_call_clobber_ops): Update.
208 (add_call_read_ops): Update.
209 (get_call_expr_operands): Update.
210 (get_asm_expr_operands): Update.
212 2006-11-28 Jan Hubicka <jh@suse.cz>
214 * builtins.c: Include tree-flow.h.
215 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
216 assignment; convert memmove to memcpy for sizes greater than 1 where
217 alignment of operands prohibit the partial overlap.
219 2006-11-28 Jan Hubicka <jh@suse.cz>
221 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
222 * cgraph.c (dump_cgraph_node): Dump stack usage.
223 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
224 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
225 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
226 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
227 (cgraph_check_inline_limits): Limit stack growth.
228 * cfgexpand.c: Include tree-inline.h.
229 (account_stack_vars): New function.
230 (expand_one_var): New param to just account the stack; return estimated
232 (expand_used_vars_for_block): Update call of expand_one_var.
233 (account_used_vars_for_block): New function.
234 (estimated_stack_frame_size): Likewise.
235 (init_vars_expansion, fini_vars_expansion): Break out from..
236 (expand_used_vars): ... here.
237 * tree-inline.h (estimated_stack_frame_size): Declare.
238 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
240 2006-11-28 Richard Guenther <rguenther@suse.de>
242 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
243 unsigned long for printing OBJECT_SIZE.
245 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
247 * alias.c (init_alias_analysis): Remove simplification loop
248 after propagating pointers.
250 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
252 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
255 2006-11-27 Bob Wilson <bob.wilson@acm.org>
257 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
259 2006-11-27 Roger Sayle <roger@eyesopen.com>
260 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
262 * c-common.c (constant_fits_type_p): Delete.
263 (unsigned_conversion_warning): Delete.
264 (conversion_warning): Integrate Wconversion warning from
265 unsigned_conversion_warning.
266 (convert_and_check): Integrate Woverflow warning from
267 unsigned_conversion_warning. Reorganize and simplify to avoid
268 dependence upon the middle-end setting TREE_OVERFLOW on integral
269 conversions, by using int_fits_type_p directly.
271 2006-11-27 Tobias Burnus <burnus@net-b.de>
273 * doc/invoke.texi: Fixed typo.
275 2006-11-27 Michael Matz <matz@suse.de>
276 Andreas Krebbel <krebbel1@de.ibm.com>
279 * config/s390/predicates.md (larl_operand): Check addend of larl
280 operand to be in range of -/+2GB.
281 * config/s390/s390.c (legitimize_pic_address): Likewise.
282 Changed type of variable even to HOST_WIDE_INT.
284 2006-11-27 Jan Hubicka <jh@suse.cz>
286 * expr.c (emit_block_move_via_libcall): Export.
287 (clear_storage_via_libcall): Rename to ...
288 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
289 (clear_storage): Update to set_storage_via_libcall.
290 * expr.h (emit_block_move_via_libcall): Declare
291 * config/i386/i386.h (stringop_alg): New enum.
292 (MAX_STRINGOP_ALGS): New constant.
293 (stringop_algs): New struct.
294 (processor_costs): Add memcpy/memset descriptors.
295 (TARGET_REP_MOVEL_OPTIMAL): Remove.
296 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
297 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
299 * config/i386/i386.opt (minline-stringops-dynamically,
300 mstringop-strategy): New
302 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
303 (ix86_expand-clrmem): Rename to ...
304 (ix86_expand_setmem): ... this one; update prototype.
305 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
306 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
307 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
308 nocona_cost, core2_cost, generic_cost, generic64_cost,
309 generic32_cost): Add memcpy/memset descriptors.
310 (x86_rep_movl_optimal): Remove.
311 (stringop_alg): New static variable.
312 (ix86_expand_aligntest): Handle predictions.
313 (override_options): Add strgop_alg handling.
314 (predict_jump): New function.
315 (scale_counter): New function.
316 (expand_set_or_movmem_via_loop): New function.
317 (expand_movmem_via_rep_mov): New function.
318 (expand_setmem_via_rep_stots): New function.
319 (emit_strmov): New function.
320 (expand_movmem_epilogue): New function.
321 (expand_setmem_epilogue_via_loop): New function.
322 (expand_setmem_epilogue): New function.
323 (expand_movmem_prologue): New function.
324 (expand_setmem_prologue): New function.
325 (decide_alg): New function.
326 (decide_alignment): New function.
327 (ix86_exand_movmem): Rewrite.
328 (promote_duplicated_reg): New function.
329 (ix86_expand_clrmem): Rename to ...
330 (ix86_expand_setmem): ... this one. Rewrite.
332 * invoke.texi (minline-stringops-dynamically): New command line option.
333 (mstringop-strategy): Likewise.
335 2006-11-27 Jan Hubicka <jh@suse.cz>
337 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
338 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
339 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
340 * insn-notes.def (FUNCTION_END): Remove.
341 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
342 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
344 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
345 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
346 * cfglayout.c (duplicate_insn_chain): Don't worry about
349 2006-11-27 Richard Guenther <rguenther@suse.de>
350 Zdenek Dvorak <dvorakz@suse.cz>
352 * target.h (struct gcc_target): Add builtin_vectorized_function
354 * target-def.h (TARGET_VECTORIZE): Likewise.
355 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
356 Document new target hook.
357 * targhooks.h (default_builtin_vectorized_function): Declare.
358 * targhooks.c (default_builtin_vectorized_function): Define.
359 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
360 (vectorizable_call): Declare.
361 * tree-vect-analyze.c (vect_analyze_operations): Call
363 * tree-vect-transform.c (vectorizable_function): New static function.
364 (build_vectorized_function_call): Likewise.
365 (vectorizable_call): New function.
366 (vect_transform_stmt): Handle vectorizable calls.
368 2006-11-27 Richard Guenther <rguenther@suse.de>
371 * builtins.c (expand_builtin_pow): Optimize non integer valued
372 constant exponents using sqrt or cbrt if possible. Always fall back
373 to expanding via optabs.
375 2006-11-27 Ira Rosen <irar@il.ibm.com>
377 PR tree-optimization/22372
378 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
379 the type of the base address.
380 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
381 it in the data-ref pointer creation.
382 (vect_init_vector): Add an argument, type of the init vector. Use it in
384 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
385 (get_initial_def_for_reduction): Likewise.
386 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
388 (vectorizable_assignment, vect_permute_store_chain): Likewise.
389 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
390 correct type in stmt creation.
391 (vect_setup_realignment): Use the correct type in stmt creation.
392 (vect_permute_load_chain): Change type of MODIFY_EXPR to
394 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
395 of MODIFY_EXPR to void_type_node.
396 (vectorizable_condition): Change type of MODIFY_EXPR to
398 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
401 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
404 2006-05-08 Uros Bizjak <uros@kss-loka.si>
405 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
406 standard 80387 constants, raise the cost to prevent
407 compress_float_constant() to generate load from memory.
409 * config/i386/i386.md: Add new splitter pattern to split
410 float_extended load of constant from constant pool into
413 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
415 * doc/install.texi: Move GMP/MPFR configure options from Fortran
416 section to general section. Remove documentation for
417 --with-mpfr-dir and --with-gmp-dir, add documentation for
418 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
421 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
423 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
425 * testsuite/gcc.dg/ipa/ipa-6.c: New.
427 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
429 PR tree-optimization/29122
430 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
431 for the new version. Assign NULL to DECL_RTL of the new version.
433 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
435 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
437 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
439 * cse.c (cse_altered): Remove.
440 (record_jump_equiv): Make true/false argument a bool instead
442 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
443 where appropriate. Emit a new jump before the existing one
444 instead of after so that delete_insn_and_edges removes the
445 dead edges properly. Check any_condjump_p before calling
447 (cse_basic_block): Check any_condjump_p before calling
449 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
451 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
453 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
454 -ffixed-line-length-* options.
456 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
458 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
459 (fprem1xf4): Rename to fprem1xf4_i387.
461 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
462 Rename patterns to fmod<mode>3. Use general_operand operand
463 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
464 patterns for SSE math.
465 (remaindersf3, remainderdf3): Ditto.
467 2006-11-25 Joseph Myers <joseph@codesourcery.com>
469 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
470 inside start_sequence / end_sequence pair.
472 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
474 * jump.c (mark_all_labels): Work in cfglayout mode.
475 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
476 when in cfglayout mode, because there are no dead jumptables
478 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
480 (commit_edge_insertions): Do not allow insertion of instructions
481 with control flow insns when in cfglayout mode.
483 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
485 * tree-vrp.c (execute_vrp): Do not pass loops structure through
487 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
488 unswitch_loop): Ditto.
489 * tree-loop-linear.c (linear_transform_loops): Ditto.
490 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
491 tree_ssa_lim): Ditto.
492 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
493 free_numbers_of_iterations_estimates): Ditto.
494 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
495 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
496 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
497 remove_path, add_loop, loopify, unloop, fix_loop_placements,
498 place_new_loop, duplicate_loop, duplicate_subloops,
499 update_single_exit_for_duplicated_loops, copy_loops_to,
500 duplicate_loop_to_header_edge, create_preheaders,
501 force_single_succ_latches, loop_version, fix_loop_structure):
503 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
504 tree_unroll_loop): Ditto.
505 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
506 * tree-scalar-evolution.c (select_loops_exit_conditions,
507 scev_initialize, scev_analysis): Ditto.
508 * tree-scalar-evolution.h (scev_initialize): Ditto.
509 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
510 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
511 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
512 * modulo-sched.c (sms_schedule): Ditto.
513 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
514 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
515 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
516 * ifcvt.c (if_convert): Ditto.
517 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
518 canonicalize_loop_induction_variables,
519 canonicalize_induction_variables,
520 tree_unroll_loops_completely, remove_empty_loops): Ditto.
521 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
522 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
523 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
524 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
525 tree_ssa_loop_done): Ditto.
526 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
527 estimate_bb_frequencies): Ditto.
528 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
529 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
530 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
531 decide_unrolling_and_peeling, peel_loop_completely,
532 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
533 peel_loop_simple, unroll_loop_stupid): Ditto.
534 * loop-doloop.c (doloop_optimize_loops): Ditto.
535 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
536 * loop-invariant.c (move_loop_invariants): Ditto.
537 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
538 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
539 tree_ssa_prefetch_arrays): Ditto.
540 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
542 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
543 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
544 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
545 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
546 verify_loop_structure): Ditto.
547 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
548 canonicalize_induction_variables, tree_unroll_loops_completely,
549 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
550 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
551 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
552 tree_unroll_loop, linear_transform_loops): Declaration changed.
553 * basic-block.h: Remove declaration of struct loops.
554 * cfghooks.h (struct cfg_hooks): Change type of
555 cfg_hook_duplicate_loop_to_header_edge.
556 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
557 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
558 vect_transform_loop): Declaration changed.
559 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
560 * cfgloop.h (flow_loops_dump, fix_loop_structure,
561 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
562 cancel_loop_tree, create_preheaders, force_single_succ_latches,
563 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
564 loopify, loop_version, remove_path, unswitch_loops,
565 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
568 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
570 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
571 (X87MODEF): New mode macro.
572 (ssemodefsuffix): New mode attribute.
573 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
574 (sqrt_extend<mode>xf2_i387): New insn pattern.
575 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
576 insn and truncate result back to original mode using
577 UNSPEC_TRUNC_NOOP truncation.
578 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
579 ssemodefsuffix mode attribute.
580 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
581 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
582 (*sqrtextenddfxf2_i387): Remove insn patterns.
584 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
587 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
589 2006-11-24 Jakub Jelinek <jakub@redhat.com>
592 * c-tree.h (c_maybe_initialize_eh): New prototype.
593 * c-decl.c (finish_decl): Move EH initialization...
594 (c_maybe_initialize_eh): ... here. New function.
595 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
596 if not #pragma omp atomic.
599 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
600 or UNION_TYPE inner types.
602 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
605 * ipa-pure-const.c (check_tree): If the original tree
606 is volatile return early and say the function is not pure
607 nor const. Remove the volatile check for writes.
608 (analyze_function): Print out the result of the local
611 2006-11-24 Joseph Myers <joseph@codesourcery.com>
613 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
615 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
616 * config/rs6000/rs6000.c (rs6000_override_options): Use
617 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
620 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
622 * config/s390.c (s390_emit_compare_and_swap): New function.
623 (s390_expand_cs_hqi, s390_expand_atomic): Call
624 s390_emit_compare_and_swap.
626 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
628 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
630 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
634 * c-common.c (conversion_warning): New.
635 (convert_and_check): Call conversion_warning unless there is an
637 * doc/invoke.texi (-Wconversion): Update description.
639 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
641 * tree-ssa-alias.c (tree_pointer_compare): New function.
642 (compact_name_tags): New function.
643 (group_aliases): Call compact_name_tags.
645 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
647 * real.h (real_isinteger): Declare.
648 * real.c (real_isinteger): Define.
649 * builtins.c (integer_valued_real_p): Use it.
651 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
654 * c.opt (Wtraditional-conversion): New.
655 (Wconversion): Update description.
656 * c-typeck.c (convert_arguments): Warnings for prototypes causing
657 type conversions different from what would happen in the absence
658 of prototype are now handled by Wtraditional-conversion.
659 * doc/invoke.texi (Wtraditional-conversion): New.
660 (Wconversion): Update description.
661 * doc/trouble.texi (Wconversion): Replace Wconversion by
662 Wtraditional-conversion.
664 2006-11-23 Andrew Pinski <pinskia@gmail.com>
666 * predict.c (tree_estimate_probability): Check to make
667 sure current_loops is non null before calling flow_loops_dump.
669 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
671 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
673 2006-11-23 David Ung <davidu@mips.com>
675 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
677 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
678 (ASM_SPEC): Pass along -mfp32 and -mfp64.
679 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
680 high part of FP register when in 64-bit FP register mode. Similarly
681 use gen_mfhc1 to load high part of FP register.
682 (override_options): Allow -mgp32 and -mfp64 combination if
683 ISA_HAS_MXHC1 (currently for O32 only).
684 (mips_cannot_change_mode_class): If floating-point registers are
685 bigger than word size. disallow conversion of float register from a
686 large integer mode to a float mode smaller than the float register
688 (mips_class_max_nregs): Handle float registers case seperately.
689 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
691 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
692 (movdf_hardfloat_32bit): Similarly.
693 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
694 support a full 64-bit fpu.
695 (mthc1): New pattern to generate MTHC1 instruction.
696 (mfhc1): New pattern to generate MFHC1 instruction.
697 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
698 option for the MIPS32R2 and mention its use under O32 ABI.
700 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
702 * var-tracking.c (emit_note_insn_var_location): Take care not to
703 cause verify_flow_info failures.
705 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
707 * tree-ssa-structalias.c: Remove edge weights in favor of just
708 processing them as complex constraints.
709 (struct constraint_graph): Remove weighted succs and preds. Rename
710 nonweighted succs and preds.
711 (constraint_edge): Removed.
712 (constraint_edge_t): Ditto.
713 (constraint_edge_pool): Ditto.
714 (new_constraint_edge): Ditto.
715 (constraint_edge_equal): Ditto.
716 (constraint_edge_less): Ditto.
717 (constraint_edge_vec_find): Ditto.
718 (erase_self_graph_edge): Ditto.
719 (add_graph_edge): Removed.
720 (get_graph_weights): Ditto.
721 (allocate_graph_weights): Ditto.
722 (valid_weighted_graph_edge): Ditto
723 (bitmap_other_than_zero_bit_set): Ditto.
724 (int_add_graph_edge): Renamed to add_graph_edge.
725 (clear_edges_for_node): Remove support for weighted edges.
726 (merge_graph_nodes): Ditto.
727 (valid_graph_edge): Ditto.
728 (build_constraint_graph): Ditto.
730 (collapse_nodes): Ditto.
731 (process_unification_queue): Ditto.
733 (do_ds_constraint): Ditto.
734 (perform_var_subsitution): Ditto.
735 (solve_graph): Ditto.
736 (init_alias_vars): Ditto.
737 (delete_points_to_sets): Ditto.
738 (do_complex_constraint): Support offsetted copies here.
740 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
742 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
744 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
746 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
749 2006-11-23 Ben Elliston <bje@au.ibm.com>
751 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
753 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
755 PR tree-optimization/29921
756 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
757 signed and unsigned zero equal.
759 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
761 * config/rs6000/rs6000.c (get_store_dest): New.
762 (adjacent_mem_locations): Use get_store_dest() to get
763 the rtl of the store destination.
765 2006-11-22 Joseph Myers <joseph@codesourcery.com>
767 * config/rs6000/spe.md (SPE64): New mode macro.
768 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
770 (mov_si<mode>_e500_subreg0_2): New.
771 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
773 (mov_si<mode>_e500_subreg4_2): New.
774 * config/rs6000/predicates.md (input_operand): Do not allow
775 invalid E500 subregs.
776 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
778 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
779 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
780 involving vector modes if TARGET_SPE.
782 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
785 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
786 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
788 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
790 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
791 mem_i_address_operand): New predicates.
792 * config/bfin/bfin.c (bfin_issue_rate): New function.
793 (TARGET_SCHED_ISSUE_RATE): New macro.
794 * config/bfin/bfin.md (addrtype): New attribute.
795 (slot0, slot1, slot2, store, pregs): New cpu_units.
796 (core): Now a define_reservation.
797 (alu): Remove some insn types from this reservation.
798 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
800 (dummy reservation): Don't trigger for mcld insns.
801 (absence_sets): Two new absence sets to enforce slot ordering.
802 (popsi_insn): Set addrtype.
804 2006-11-22 Ira Rosen <irar@il.ibm.com>
806 * doc/c-tree.texi: Document new tree codes.
807 * doc/md.texi: Document new optabs.
808 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
810 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
811 * optabs.h (optab_index): Add new.
812 (vec_extract_even_optab, vec_extract_odd_optab,
813 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
814 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
815 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
817 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
818 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
819 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
820 along with macros for their access.
821 * tree-data-ref.h (first_location_in_loop, data_reference): Update
823 * tree-vect-analyze.c (toplev.h): Include.
824 (vect_determine_vectorization_factor): Fix indentation.
825 (vect_insert_into_interleaving_chain,
826 vect_update_interleaving_chain, vect_equal_offsets): New functions.
827 (vect_analyze_data_ref_dependence): Add argument for interleaving
828 check. Check for interleaving if it's true.
829 (vect_check_dependences): New function.
830 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
831 every ddr. Call vect_analyze_data_ref_dependence with new argument.
832 (vect_update_misalignment_for_peel): Update for interleaving.
833 (vect_verify_datarefs_alignment): Check only first data-ref for
835 (vect_enhance_data_refs_alignment): Update for interleaving. Check
836 only first data-ref for interleaving.
837 (vect_analyze_data_ref_access): Check interleaving, update
839 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
840 with different parameters.
841 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
842 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
843 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
844 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
845 Update step in case of interleaving.
846 (vect_strided_store_supported, vect_permute_store_chain): New
848 (vectorizable_store): Handle strided stores.
849 (vect_strided_load_supported, vect_permute_load_chain,
850 vect_transform_strided_load): New functions.
851 (vectorizable_load): Handle strided loads.
852 (vect_transform_stmt): Add argument. Handle strided stores. Check
853 that vectorized stmt exists for patterns.
854 (vect_gen_niters_for_prolog_loop): Update calculation for
856 (vect_transform_loop): Remove stmt_vec_info for strided stores after
857 whole chain vectorization.
858 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
859 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
860 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
861 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
862 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
864 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
866 * cse.c (enum taken): Remove PATH_AROUND.
867 (addr_affects_sp_p, invalidate_skipped_set,
868 invalidate_skipped_block): Remove.
869 (cse_end_of_basic_block): Remove skip_blocks and related code.
870 (cse_main): Don't test for flag_cse_skip_blocks.
871 Update cse_end_of_basic_block call.
872 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
873 code to lengthen the path if a jump was simplified.
875 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
877 PR rtl-optimization/29924
878 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
879 (unroll_loop_runtime_iterations): Assert that the argument passed to
880 split_edge_and_insert is not NULL.
881 * loop-doloop.c (add_test): Ditto.
883 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
885 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
887 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
888 * cfgloopmanip.c (update_single_exits_after_duplication,
889 update_single_exit_for_duplicated_loop, loop_version): Ditto.
890 * tree-scalar-evolution.c (get_loop_exit_condition,
891 get_exit_conditions_rec, loop_closed_phi_def,
892 number_of_iterations_in_loop, scev_const_prop): Ditto.
893 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
894 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
896 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
898 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
899 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
900 slpeel_make_loop_iterate_ntimes,
901 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
902 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
904 * tree-if-conv.c (if_convertible_loop_p): Ditto.
905 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
906 vect_analyze_loop_form): Ditto.
907 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
908 can_convert_to_perfect_nest, perfect_nestify): Ditto.
909 * tree-vect-transform.c (vect_create_epilog_for_reduction,
910 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
911 vect_transform_loop): Ditto.
912 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
913 (single_exit, set_single_exit): New functions.
914 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
915 (single_exit, set_single_exit): Declare.
916 * doc/loop.texi: Undocument single_exit field. Document single_exit
919 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
921 PR tree-optimization/29902
922 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
923 any involved ssa name appears in abnormal phi node.
925 2006-11-21 Bob Wilson <bob.wilson@acm.org>
927 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
928 (xtensa_const_ok_for_letter_p): Delete.
929 (xtensa_extra_constraint): Delete.
930 (override_options): Delete xtensa_char_to_class initialization.
931 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
932 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
933 (EXTRA_CONSTRAINT): Delete.
934 * config/xtensa/xtensa.md: Include constraints.md.
935 (call_internal): Combine alternatives.
936 (call_value_internal): Likewise, and remove invalid constraints.
937 * config/xtensa/constraints.md: New file.
938 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
939 (xtensa_extra_constraint): Delete.
940 * doc/md.texi (Machine Constraints): Refer to constraints.md for
943 2006-11-21 Janis Johnson <janis187@us.ibm.com>
945 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
946 of conversion that doesn't fit.
948 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
949 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
950 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
952 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
954 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
956 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
958 2006-11-21 Richard Guenther <rguenther@suse.de>
960 * tree-vectorizer.h (NUM_PATTERNS): Increase.
961 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
962 vect_recog_pow_pattern.
963 (vect_recog_pow_pattern): New function.
965 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
967 * config/bfin/bfin.opt (mstack-check-l1): New.
968 * doc/invoke.texi (Blackfin Options): Document it.
969 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
970 stack bounds in L1 memory if the new option is enabled.
971 (override_options): Don't allow combinations of -fstack-limit and
973 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
976 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
978 (bfin_register_move_cost): Bump costs if trying to move plain
979 integer values through accumulators.
981 2006-11-21 Ben Elliston <bje@au.ibm.com>
983 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
985 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
986 Russell Olsen <Russell_Olsen@playstation.sony.com>
987 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
988 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
989 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
990 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
991 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
993 * config.gcc: Add target for SPU.
994 * config/spu/constraints.md: New file.
995 * config/spu/crt0.c: New file.
996 * config/spu/crtend.c: New file.
997 * config/spu/crti.asm: New file.
998 * config/spu/crtn.asm: New file.
999 * config/spu/float_unsdidf.c: New file.
1000 * config/spu/float_unssidf.c: New file.
1001 * config/spu/predicates.md: New file.
1002 * config/spu/spu-builtins.def: New file.
1003 * config/spu/spu-builtins.h: New file.
1004 * config/spu/spu-builtins.md: New file.
1005 * config/spu/spu-c.c: New file.
1006 * config/spu/spu-elf.h: New file.
1007 * config/spu/spu-modes.def: New file.
1008 * config/spu/spu-protos.h: New file.
1009 * config/spu/spu.c: New file.
1010 * config/spu/spu.h: New file.
1011 * config/spu/spu.md: New file.
1012 * config/spu/spu.opt: New file.
1013 * config/spu/spu_internals.h: New file.
1014 * config/spu/spu_intrinsics.h: New file.
1015 * config/spu/spu_mfcio.h: New file.
1016 * config/spu/t-spu-elf: New file.
1017 * config/spu/vec_types.h: New file.
1018 * config/spu/vmx2spu.h: New file.
1019 * doc/contrib.texi: Document SPU contributor.
1020 * doc/extend.texi: Document SPU extensions.
1021 * doc/invoke.texi: Document SPU options.
1022 * doc/md.texi: Document SPU constraints.
1024 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1026 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1028 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1030 (flow_loop_dump): Do not dump loop level.
1031 (flow_loops_find): Do not call flow_loops_level_compute.
1032 * cfgloop.h (struct loop): Remove level field.
1034 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1036 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1037 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1038 Use vector of edges instead of array.
1039 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1040 estimate_numbers_of_iterations_loop): Ditto.
1041 * predict.c (predict_loops): Ditto.
1042 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1043 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1045 * basic-block.h: Declare heap allocation for edge vectors.
1046 * tree-outof-ssa.c: Ditto.
1047 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1048 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1050 2006-11-20 Zack Weinberg <zackw@panix.com>
1052 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1053 Add another out parameter, "skip".
1054 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1055 is tagged "skip", do not mark its type used.
1057 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1060 * tree-sra.c (single_scalar_field_in_record_p): New function.
1061 (decide_block_copy): Use it.
1063 2006-11-20 David Daney <ddaney@avtrex.com>
1065 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1066 PC to point to following instruction.
1068 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1072 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1074 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1076 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1078 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1079 Add sh/superh.h to tm_file.
1081 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1082 Mark Mitchell <mark@codesourcery.com>
1084 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1086 (cpp_relocated): New function.
1087 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1089 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1090 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1091 replace configured prefix with gcc_exec_prefix.
1093 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1095 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1096 bfin_legitimate_constant_p.
1097 * config/bfin/bfin.md (movsi expander): Check return value of
1099 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1100 (expand_move): Adjust prototype.
1101 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1102 invalid constants specially.
1103 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1105 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1107 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1108 sibcall_value_symbol): Allow these patterns if
1109 TARGET_LEAF_ID_SHARED_LIBRARY.
1110 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1111 (override_options): Turn on id shared library flags if -msep-data,
1112 but disallow the combination of these options on the command line.
1113 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1114 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1115 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1116 -mid-shared-library.
1117 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1118 * doc/invoke.texi (Blackfin Options): Document new switches.
1120 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1121 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1123 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1124 inflate costs for addresses with an out-of-bounds address.
1126 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1129 * fwprop.c (loops): Remove.
1130 (forward_propagate_into): Use current_loops instead of
1132 (fwprop_init): Call loop_optimizer_init instead of
1134 (fwprop_done): Call loop_optimizer_finalize instead of
1136 (fwprop): Use current_loops instead of loops.
1138 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1141 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1143 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1146 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1147 larger than BITS_PER_WORD.
1149 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1153 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1154 to MAX_FIXED_MODE_SIZE.
1156 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1158 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1159 (fold_builtin_fmin_fmax): New.
1160 (fold_builtin_1): Use it.
1162 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1164 2006-11-18 Richard Guenther <rguenther@suse.de>
1166 * config/i386/i386.c (ix86_builtins): New array for ix86
1167 builtin function decls.
1168 (def_builtin): New function.
1169 (def_builtin_const): Likewise.
1170 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1172 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1174 * doc/invoke.texi (core2): Add item.
1176 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1178 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1179 (TARGET_CPU_DEFAULT_generic): Change value.
1180 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1181 (processor_type): Add new constant PROCESSOR_CORE2.
1183 * config/i386/i386.md (cpu): Add core2.
1185 * config/i386/i386.c (core2_cost): New initialized variable.
1186 (m_CORE2): New macro.
1187 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1188 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1189 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1190 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1191 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1192 x86_accumulate_outgoing_args, x86_prologue_using_move,
1193 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1194 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1195 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1196 x86_pad_returns): Add m_CORE2.
1197 (override_options): Add entries for Core2.
1198 (ix86_issue_rate): Add case for Core2.
1200 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1202 * doc/invoke.texi: Fix mno-isel typo.
1204 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1206 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1207 easy vector constant loads.
1209 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1211 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1212 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1213 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1214 * config/rs6000/sync.md (lwsync): Emit plain sync if
1217 2006-11-17 DJ Delorie <dj@redhat.com>
1219 * reload1.c (reloads_unique_chain): New.
1220 (reloads_conflict): Call it.
1222 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1224 * config/xtensa/predicates.md (addsubx_operand): New.
1225 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1226 (xtensa_emit_bit_branch): New.
1227 (xtensa_emit_movcc): New.
1228 * config/xtensa/xtensa.md (any_minmax): New code macro.
1229 (minmax): New code attribute.
1230 (any_cond, any_scc, any_scc_sf): New code macros.
1231 (*addx2, *addx4, *addx8): Delete.
1233 (*subx2, *subx4, *subx8): Delete.
1235 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1236 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1237 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1238 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1239 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1240 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1241 (movsfcc_internal0, movsfcc_internal1): Likewise.
1242 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1243 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1244 (xtensa_emit_bit_branch): New.
1245 (xtensa_emit_movcc): New.
1246 (function_arg_boundary): Add missing prototype.
1248 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1250 * config/xtensa/xtensa.md (tstsi): Delete
1252 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1254 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1256 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1258 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1260 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1262 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1264 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1266 * tree-vrp.c (execute_vrp): Do not update current_loops.
1267 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1268 * doc/loop.texi: Remove documentation for cancelled functions.
1269 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1270 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1272 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1273 (remove_path): Ensure that in delete_basic_blocks, the loops
1274 are still allocated.
1275 (add_loop): Work on valid loop structures.
1276 (loopify): Modify call of add_loop.
1277 (mfb_update_loops): Removed.
1278 (create_preheader): Do not update loops explicitly.
1279 (force_single_succ_latches, loop_version): Do not use
1280 loop_split_edge_with.
1281 (loop_split_edge_with): Removed.
1282 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1283 Do not use bsi_insert_on_edge_immediate_loop.
1284 (split_loop_exit_edge, tree_unroll_loop): Do not use
1285 loop_split_edge_with.
1286 (bsi_insert_on_edge_immediate_loop): Removed.
1287 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1288 use loop_split_edge_with.
1289 * cfghooks.c: Include cfgloop.h.
1290 (verify_flow_info): Verify that loop_father is filled iff current_loops
1292 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1293 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1295 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1297 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1298 loop_split_edge_with.
1299 (sms_schedule): Use current_loops.
1300 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1301 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1303 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1304 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1305 * ifcvt.c (if_convert): Ditto.
1306 * predict.c (predict_loops): Do not clear current_loops.
1307 (tree_estimate_probability): Use current_loops.
1308 (propagate_freq): Receive head of the region to propagate instead of
1310 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1311 (estimate_loops): New function. Handle case current_loops == NULL.
1312 (estimate_bb_frequencies): Do not allocate tovisit. Use
1314 * tree-ssa-loop.c (current_loops): Removed.
1315 (tree_loop_optimizer_init): Do not return loops.
1316 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1317 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1318 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1319 Do not update loops explicitly.
1320 * function.h (struct function): Add x_current_loops field.
1321 (current_loops): New macro.
1322 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1323 * loop-unroll.c (split_edge_and_insert): New function.
1324 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1325 use loop_split_edge_with.
1326 * loop-doloop.c (add_test, doloop_modify): Ditto.
1327 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1328 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1329 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1330 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1332 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1333 (flow_loops_free): Do not free dfs_order and rc_order.
1334 (flow_loops_find): Do not set dfs_order and rc_order in loops
1335 structure. Do not call loops and flow info verification.
1336 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1337 already belongs to some loop.
1338 * cfgloop.h (struct loops): Remove struct cfg.
1339 (current_loops, loop_split_edge_with): Declaration removed.
1340 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1341 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1342 Declaration removed.
1343 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1344 * basic-block.h (split_edge_and_insert): Declare.
1345 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1347 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1349 PR tree-optimization/29801
1350 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1351 (get_default_value): Use get_symbol_constant_value.
1352 (set_lattice_value): ICE when the value of the constant is
1354 (visit_assignment): Ignore VDEFs of read-only variables.
1356 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1358 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1360 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1361 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1363 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1365 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1366 select subvars of var.
1368 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1371 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1372 optimize if DEF doesn't have integral type.
1374 2006-11-16 Mike Stump <mrs@apple.com>
1376 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1377 pre-darwin9 system, unless the user asks for it directly.
1378 (PREFERRED_DEBUGGING_TYPE): Likewise.
1379 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1380 * config.gcc: Add suppport for darwin9.h.
1381 * config/darwin9.h: Add.
1382 * doc/install.texi (Specific): Clarify darwin documentation.
1384 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1386 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1387 optimizing for size.
1389 2006-11-16 Mike Stump <mrs@apple.com>
1391 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1393 2006-11-16 Dirk Mueller <dmueller@suse.de>
1395 * tree-vrp.c (get_value_range): Use XCNEW instead
1397 (insert_range_assertions): Use XCNEWVEC instead
1398 of XNEWVEC and memset.
1399 (vrp_initialize): Same.
1400 (vrp_finalize): Same.
1401 * tree-ssa-ccp.c (ccp_initialize): Same.
1402 * predict.c (tree_bb_level_predictions): Same.
1403 * calls.c (expand_call): Same.
1404 * tree-ssa-copy.c (init_copy_prop): Same.
1405 (fini_copy_prop): Same.
1406 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1407 of GGC_NEW and memset.
1409 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1412 * gimplify.c (gimplify_expr): Only force a load for references to
1413 non-BLKmode volatile values.
1414 * doc/implement-c.texi (Qualifiers implementation): Document the
1415 interpretation of what a volatile access is.
1416 * doc/extend.texi (C++ Extensions): Rework same documentation.
1418 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1420 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1423 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1425 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1427 (arm_neg_abssi2): Renamed from neg_abssi2.
1428 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1430 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1432 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1433 number of arguments passed to local functions in SSE registers is 3.
1435 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1436 number of arguments passed in SSE registers to 3.
1438 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1441 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1443 (get_last_bb_insn): ... new global function.
1444 (basic_block.h): Declare it.
1445 * haifa-sched.c (create_recovery_block): Use it.
1447 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1450 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1452 2006-11-15 Paul Brook <paul@codesourcery.com>
1454 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1455 _Unwind_GetTextRelBase): Move from here ...
1456 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1457 _Unwind_GetTextRelBase): ... To here.
1459 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1461 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1462 addresses we generate for testing are aligned.
1464 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1467 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1468 to what is the const decl is a place holder for.
1470 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1472 * config/i386/i386.opt: New target option -mx87regparm.
1474 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1475 and float_in_x87 variables. mmx_words, sse_words: Remove.
1476 (X87_REGPARM_MAX): Define.
1478 * config/i386/i386.c (override_options): Error out for
1479 -mx87regparm but no 80387 support.
1480 (ix86_attribute_table): Add x87regparm.
1481 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1482 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1483 (ix86_function_x87regparm): New function.
1484 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1486 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1488 (function_arg_advance): Process x87_nregs and x87_regno when
1489 floating point argument is to be passed in 80387 register.
1490 (function_arg): Pass XFmode arguments in 80387 registers for local
1491 functions. Pass SFmode and DFmode arguments to local functions
1492 in 80387 registers when flag_unsafe_math_optimizations is set.
1494 * reg-stack.c (convert_regs_entry): Disable NaN load for
1495 stack registers that are used for argument passing.
1497 * doc/extend.texi: Document x87regparm function attribute.
1498 * doc/invoke.texi: Document -mx87regparm.
1500 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1502 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1503 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1504 arg MODE; all callers changed. Use it to determine validity per
1505 machine mode instead of using Pmode for all memory references.
1506 (get_address_cost): Likewise add and use new arg MEM_MODE.
1508 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1509 J"orn Rennecke <joern.rennecke@st.com>
1511 * combine.c (likely_spilled_retval_1): Fix masking operation.
1512 (likely_spilled_retval_p): Use proper pattern for call to
1513 likely_spilled_retval_1.
1515 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1517 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1519 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1520 that tests for CONSTANT_POOL_ADDRESS_P.
1522 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1524 PR tree-optimization/29581
1525 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1526 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1527 type is different between Y and USE, create a temporary
1528 variable, initialize it at the beginning of the body bb
1529 and use it as replacement instead of Y.
1531 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1534 * gimplify.c (fold_indirect_ref_rhs): Use
1535 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1537 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1539 * expmed.c (emit_store_flag_1): New function.
1540 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1542 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1543 Use do_compare_rtx_and_jump.
1544 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1545 * arm.md (cstoresi4): New define_expand.
1546 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1547 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1548 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1550 2006-11-14 Caroline Tice <ctice@apple.com>
1552 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1553 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1555 (pubname_table): Redefine as a vector.
1556 (pubtype_table): New static global variable, defined as a vector.
1557 (pubname_table_allocated): Remove static global variable.
1558 (pubname_table_in_use): Remove static global variable.
1559 (PUBNAME_TABLE_INCREMENT): Remove constant.
1560 (size_of_pubnames): Add parameter to deal with either pubnames or
1561 pubtypes, and change code to deal with table being a vector.
1562 (add_pubname): Change to deal with table being a vector.
1563 (add_pubtype): New function.
1564 (output_pubnames): Add parameter to deal with either pubnames or
1565 pubtypes, and change code to deal with table being a vector.
1566 (gen_array_type_die): Add call to add_pubtype.
1567 (gen_enumeration_type_die): Add call to add_pubtype.
1568 (gen_struct_or_union_type_die): Add call to add_pubtype.
1569 (gen_subroutine_type_die): Add call to add_pubtype.
1570 (gen_typedef_die): Add call to add_pubtype.
1571 (dwarf2out_init): Add code to initialize pubname_table and
1572 pubtype_table vectors; also initialize debug_pubtypes_section.
1573 (prune_unused_types): Change to deal with pubnames being a vector.
1574 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1575 pubnames table to call to output_pubnames; Add code to output pubtypes
1576 table if DEBUG_PUBTYPES_SECTION is defined.
1577 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1579 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1581 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1583 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1584 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1585 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1586 movv2si_internal): Support moves between core registers.
1588 2006-11-14 Eric Christopher <echristo@apple.com>
1590 * configure: Regenerate with autoconf 2.59.
1592 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1594 Fix PR tree-optimization/27755
1596 * tree-ssa-pre.c: Update comments.
1597 (bb_bitmap_sets): Add pa_in and deferred member.
1598 (BB_DEFERRED): New macro.
1599 (maximal_set): New variable.
1600 (pre_stats): Add pa_insert member.
1601 (bitmap_set_and): Short circuit orig == dest.
1602 (bitmap_set_subtract_values): New function.
1603 (bitmap_set_contains_expr): Ditto.
1604 (translate_vuses_through_block): Add phiblock argument.
1605 (dependent_clean): New function.
1606 (compute_antic_aux): Update for maximal_set changes.
1607 (compute_partial_antic_aux): New function.
1608 (compute_antic): Handle partial anticipation.
1609 (do_partial_partial_insertion): New function.
1610 (insert_aux): Handle partial anticipation.
1611 (add_to_sets): Add to maximal set.
1612 (compute_avail): Ditto.
1613 (init_pre): Initialize maximal_set.
1614 (execute_pre): Do partial anticipation if -O3+.
1616 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1618 PR rtl-optimization/29798
1620 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1621 TARGET_INSN before any other check.
1622 (fwprop_init): Always calculate dominators.
1623 (fwprop_done): Always free them.
1625 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1627 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1630 2006-11-13 DJ Delorie <dj@redhat.com>
1632 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1633 temporary for intermediates.
1635 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1637 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1638 (sh_optimize_target_register_callee_saved): #if 0 the code
1639 using NOTE_INSN_LOOP_{BEG,END}.
1641 2006-11-13 Roger Sayle <roger@eyesopen.com>
1643 * fold-const.c (optimize_bit_field_compare): Recursively call
1644 fold when simplifying non-constant comparisons between bit-fields.
1646 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1648 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1650 * configure: Rebuilt.
1652 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1654 * config/rs6000/cell.md: New file.
1655 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1657 (ppccell_cost): New cost matrix.
1658 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1659 (rs6000_override_options): Set rs6000_always_hint to false
1660 for cell. Also align functions/lables/loops to 8byte
1661 for the Cell. Use PROCESSOR_CELL.
1662 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1663 using_mtcr_multiple.
1664 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1665 on the Cell, return 0.
1666 (rs6000_adjust_cost): Add Cell cost adjustments.
1667 (is_microcoded_insn): Return true for Cell microcoded
1669 (is_nonpipeline_insn): New function.
1670 (rs6000_issue_rate): Add PROCESSOR_CELL.
1671 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1673 (rs6000_use_sched_lookahead_guard): New function.
1674 (rs6000_sched_reorder): Reorder the ready list, if the second
1675 to last ready insn is a nonepipeline insn on the Cell.
1676 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1677 (ASM_CPU_SPEC): Add Cell.
1678 * config/rs6000/rs6000.md (cpu): Add Cell.
1679 (cell_micro): New Attr.
1682 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1684 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1686 * configure: Rebuilt.
1688 2006-11-13 Richard Guenther <rguenther@suse.de>
1690 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1692 (ix86_expand_lfloorceil): Likewise.
1693 (ix86_expand_rint): Likewise.
1694 (ix86_expand_floorceildf_32): Likewise.
1695 (ix86_expand_floorceil): Likewise.
1696 (ix86_expand_rounddf_32): Likewise.
1697 (ix86_expand_truncdf_32): Likewise.
1698 (ix86_expand_round): Likewise.
1700 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1701 Mark Mitchell <mark@codesourcery.com>
1703 * gcc.c: Organize search path variables into $prefix relative,
1704 and well-known native. Add comments.
1705 (add_sysrooted_prefix): Add comment.
1706 (process_command): If !gcc_exec_prefix add $prefix based paths.
1707 If *cross_compile == '0', add native well-known paths.
1708 Assert tooldir_base_prefix is always relative.
1709 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1710 use this value for 'install:' path.
1711 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1713 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1715 * config/i386/i386.c: Fix a typo in comment.
1717 2006-11-13 Michael Matz <matz@suse.de>
1719 * genemit.c (gen_expand): Allocate enough memory.
1721 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1723 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1724 __GXX_TYPEINFO_EQUALITY_INLINE but not
1725 __GXX_MERGED_TYPEINFO_NAMES.
1726 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1727 __GXX_MERGED_TYPEINFO_NAMES.
1728 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1729 __GXX_TYPEINFO_EQUALITY_INLINE.
1731 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1732 Zdenek Dvorak <dvorakz@suse.cz>
1734 PR tree-optimization/29680
1735 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1738 2006-11-12 Jason Merrill <jason@redhat.com>
1739 Andrew Pinski <pinskia@physics.uc.edu>
1742 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1744 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1746 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1747 * tree.c (build_vector): Handle non-_CST elements.
1749 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1751 * genemit.c (gen_insn): Call gen_exp with a non-null used
1752 when handling multiple insns.
1753 (gen_expand): Likewise.
1754 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1755 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1756 (movsi_const_16bit+1): Copy operands[1].
1757 (call_pcrel): Copy the call_site pattern.
1758 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1760 2006-11-12 Roger Sayle <roger@eyesopen.com>
1762 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1763 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1764 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1765 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1767 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1769 Fix PR tree-optimization/29587
1770 * tree-ssa-structalias.c (process_constraint): Don't
1771 mark address taken due only to escaped vars constraint.
1773 2006-11-12 Michael Matz <matz@suse.de>
1774 Roger Sayle <roger@eyesopen.com>
1776 PR rtl-optimization/29797
1777 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1778 BITS_BIG_ENDIAN targets.
1780 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1782 * builtins.c (fold_builtin_cosh): New.
1783 (fold_builtin_1): Use it.
1784 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1785 trunc to the list of "odd" functions. Also add llrint, lrint,
1786 rint and nearbyint when flag_rounding_math is false.
1788 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1790 * tree-flow.h (name_mappings_registered_p): Declare.
1791 * tree-into-ssa.c (name_mappings_registered_p): New function.
1792 * tree-cfg.c (tree_can_merge_blocks_p): Check
1793 name_mappings_registered_p instead of need_ssa_update_p.
1795 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1797 * tree-ssa-loop.c (tree_vectorize): Return the result of
1799 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1800 if anything changed.
1801 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1802 * tree-flow.h (vectorize_loops): Declaration changed.
1804 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1806 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1808 (issue_prefetch_ref): Move assignment to write_p out of loop.
1809 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1810 SIMULTANEOUS_PREFETCHES into account.
1811 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1812 * lambda-code.c (lcm): Renamed to ...
1813 (least_common_multiple): ... and exported.
1814 * tree-flow.h (least_common_multiple): Declare.
1816 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1818 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1819 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1820 ud-chains. Handle AND_EXPR.
1821 (record_estimate): Record whether the estimate is realistic
1822 and whether it is derived from a loop exit.
1823 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1824 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1826 (compute_estimated_nb_iterations): Take only realistic bounds into
1827 account. Set estimate_state. Use double_ints.
1828 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1829 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1830 that do not have to be always executed.
1831 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1832 to determine whether to call infer_loop_bounds_from_undefined
1833 and compute_estimated_nb_iterations.
1834 (n_of_executions_at_most): Use double_ints.
1835 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1836 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1837 * double-int.c (double_int_to_tree): Improve comment.
1838 (double_int_fits_to_tree_p): New function.
1839 * double-int.h (double_int_fits_to_tree_p): Declare.
1840 * tree-data-ref.c: Include langhooks.h.
1841 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1842 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1843 (analyze_array): Do not pass estimate_only argument to
1844 analyze_array_indexes.
1845 (get_number_of_iters_for_loop): Build tree from the stored double_int
1847 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1848 (find_data_references_in_loop): Use find_data_references_in_stmt.
1849 * tree-data-ref.h (struct data_ref_loc_d): New.
1850 (get_references_in_stmt): Declare.
1851 (estimate_iters_using_array): Declaration removed.
1852 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1853 double_int. Improve comments. Add is_exit and realistic
1855 (struct loop): Changed type of estimated_nb_iterations to double_int.
1856 Added estimate_state field.
1857 (record_estimate): Declaration removed.
1859 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1861 * params.c (set_param_value): Initialize the "set" field.
1862 * params.h (struct param_info): Add "set" field.
1863 (PARAM_SET_P): New macro.
1864 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1865 L1_CACHE_LINE_SIZE): New macros.
1866 * toplev.c (DEFPARAM): Initialize the "set" field.
1867 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1868 SIMULTANEOUS_PREFETCHES): Removed.
1869 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1870 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1871 * config/sparc/sparc.c: Include params.h.
1872 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1873 L1_CACHE_LINE_SIZE parameters.
1874 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1876 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1878 * config/i386/i386.c: Include params.h.
1879 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1880 (override_options): Set SIMULTANEOUS_PREFETCHES and
1881 L1_CACHE_LINE_SIZE parameters.
1882 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1883 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1884 L1_CACHE_LINE_SIZE parameters.
1885 * config/ia64/ia64.c (ia64_optimization_options): Set
1886 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1887 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1889 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1890 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1891 * doc/invoke.texi: Document new params.
1893 2006-11-12 Roger Sayle <roger@eyesopen.com>
1895 PR tree-optimization/13827
1896 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1899 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1901 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1902 update_single_exit_for_duplicated_loops): New functions.
1903 (duplicate_loop_to_header_edge): Use
1904 update_single_exit_for_duplicated_loops.
1905 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1906 functions only with ENABLE_CHECKING.
1908 2006-11-12 Andreas Schwab <schwab@suse.de>
1910 * except.c (sjlj_emit_function_enter): Remove unused variable.
1912 2006-11-11 Roger Sayle <roger@eyesopen.com>
1914 * fold-const.c (int_binop_types_match_p): New function.
1915 (size_binop): Relax constraint that both arguments must both have
1916 exactly the same sizetype type. Instead use int_binop_types_match_p.
1917 (size_diffop): Likewise.
1919 (make_range): Use build_int_cst instead of fold_convert.
1920 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1921 integer constants of the correct type.
1922 (fold_div_compare): Likewise.
1923 (fold_single_bit_test): Likewise.
1924 (fold_binary): Likewise.
1925 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1926 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1928 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1931 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1932 non null value if the struct memory access is in the 0th
1935 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1938 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1939 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1942 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1943 instead of builtin_define for bfin and BFIN.
1945 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1947 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1950 2006-11-11 Jan Hubicka <jh@suse.cz>
1952 * extend.texi (__builtin_expect): We no longer require second argument
1954 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1955 * builtins.c (expand_builtin_expect): Simplify.
1956 (expand_builtin_expect_jump): Kill.
1957 * final.c (final_scan_insn): Do not skip the removed notes.
1958 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1959 EXPECTED_VALUE): Remove.
1960 * dojump.c (do_jump): Do not care about __builtin_expect.
1961 * predict.c (expected_value_to_br_prob): Kill.
1962 * function.c (expand_function_end): Do not expand
1963 NOTE_INSN_REPEATED_LINE_NUMBER.
1964 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1965 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1966 * cfgexpand.c (add_reg_br_prob_note): Export.
1967 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1968 expected_value_to_br_prob.
1969 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1970 * rtl.h (add_reg_br_prob_note): Declare.
1972 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1974 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1976 2006-11-11 Jan Hubicka <jh@suse.cz>
1978 * predict.c (predict_loops): Kill RTL variant.
1980 2006-11-11 Jan Hubicka <jh@suse.cz>
1982 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1983 * modulo-sched.c (find_line_note): Remove.
1984 (loop_canon_p): Do not worry about line number notes.
1985 (sms_schedule): Likewise.
1986 * cse.c (cse_main): Likewise.
1987 * regmove.c (fixup_match_1): Likewise
1988 * function.c (emit_return_info_block): Likewise.
1989 (expand_function_end): Likewise.
1990 (thread_prologue_an_epilogue_insns): Likewise.
1991 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
1993 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
1994 emit_note_copy_after): Kill.
1995 (emit_note_copy): Do not worry about line numbers.
1996 * jump.c (purge_line_number_notes): Kill.
1997 (pass_purge_lineno_notes): Kill.
1998 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2000 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2001 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2002 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2003 * tree-pass.h (pass_purge_lineno_notes): Kill.
2004 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2005 rm_redundant_line_notes.
2006 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2007 rm_redundant_line_notes.
2008 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2009 * haifa-sched.c: Update comment about handling notes.
2010 (unlink_line_notes): Kill.
2011 (rm_line_notes): Kill.
2012 (save_line_notes): Simplify.
2013 (rm_redundant_line_notes): Kill.
2015 2006-11-11 Richard Guenther <rguenther@suse.de>
2017 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2018 Remove unused tree codes.
2019 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2020 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2021 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2022 * tree.c (stabilize_reference): Likewise.
2023 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2024 fold_unary): Likewise.
2025 * tree-gimple.c (is_gimple_cast): Likewise.
2026 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2027 * expr.c (expand_expr_real_1): Likewise.
2028 * tree-eh.c (tree_could_trap_p): Likewise.
2029 * gimplify.c (gimplify_expr): Likewise.
2030 * tree-inline.c (estimate_num_insns_1): Likewise.
2031 * tree-cfg.c (verify_expr): Likewise.
2033 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2035 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2036 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2037 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2039 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2042 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2043 constraints accept neither registers or memories.
2045 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2047 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2048 (NO_PROFILE_COUNTERS): Define as 1.
2050 2006-11-10 Roger Sayle <roger@eyesopen.com>
2052 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2053 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2055 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2057 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2059 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2061 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2062 (fold_builtin_hypot): Likewise.
2063 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2065 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2067 2006-11-10 Roger Sayle <roger@eyesopen.com>
2069 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2070 when attempting to build INTEGER_CSTs of non-integral types.
2071 * expmed.c (make_tree): Use the correct type, i.e. the inner
2072 type, when constructing the individual elements of a CONST_VECTOR.
2074 2006-11-10 Jan Hubicka <jh@suse.cz>
2076 * cse.c (cse_process_notes): Copy the propagated value.
2077 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2079 * gcse.c (try_replace_reg): Copy the replacement.
2080 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2081 (assign_386_stack_local): Always return copied memory expression
2082 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2085 2006-11-10 Jan Hubicka <jh@suse.cz>
2087 * final.c (final): Walk from first instruction.
2088 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2090 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2093 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2095 (umulv8hi3_highpart): Ditto.
2096 (vec_widen_smult_hi_v8hi): New expander.
2097 (vec_widen_smult_lo_v8hi): Ditto.
2099 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * builtins.c (do_mpfr_arg3): New.
2103 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2105 2006-11-09 Eric Christopher <echristo@apple.com>
2110 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2111 * config.gcc (powerpc64-*-darwin*): New target.
2112 * config.host: Ditto.
2113 * config/rs6000/darwin64.h: New file.
2114 * config/rs6000/x-darwin64: Ditto.
2115 * config/rs6000/host-ppc64-darwin.c: Ditto.
2117 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2119 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2120 routines for integer division.
2122 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2124 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2126 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2129 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2131 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2133 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2134 simplify_subreg with BLKmode outer mode.
2136 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2138 * doc/invoke.texi: Minor formatting fixes in option lists.
2140 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2142 PR tree-optimization/29738
2143 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2144 (ccp_lattice_t): Remove UNKNOWN_VAL.
2145 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2146 Do not handle UNKNOWN_VAL.
2147 (get_default_value): Set initial value of virtual operands to
2149 (get_value): Always use get_default_value on uninitialized
2151 (set_value_varying, surely_varying_stmt_p): New functions.
2152 (set_lattice_value): Do not pass argument to get_value.
2153 Do not handle UNKNOWN_VAL.
2154 (likely_value): Follow the semantics described in the comment.
2155 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2156 phi nodes DONT_SIMULATE_AGAIN.
2157 (ccp_fold): Do not pass argument to get_value.
2158 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2161 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2163 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2164 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2166 2006-11-08 Roger Sayle <roger@eyesopen.com>
2168 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2169 test for inclusion rather than as a test for exclusion.
2170 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2171 the condition after calling fold_binary.
2172 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2173 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2174 * builtins.c (fold_builtin_isascii): Likewise.
2175 (fold_builtin_isdigit): Likewise.
2177 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2179 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2180 * configure: Regenerate.
2182 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2184 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2185 enum argument instead of bool.
2186 (vect_analyze_operations): Call vectorizable_type_promotion.
2187 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2188 stmt_vec_info_type value.
2189 (supportable_widening_operation, vectorizable_type_promotion): New
2190 function declarations.
2191 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2192 (vectorizable_type_promotion): New function.
2193 (vect_transform_stmt): Call vectorizable_type_promotion.
2194 * tree-vect-analyze.c (supportable_widening_operation): New function.
2195 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2197 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2200 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2201 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2202 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2204 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2205 * expr.c (expand_expr_real_1): Likewise.
2206 * optabs.c (optab_for_tree_code): Likewise.
2207 (init_optabs): Initialize new optabs.
2208 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2209 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2210 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2211 vec_unpacku_lo_optab): Initialize new optabs.
2212 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2213 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2214 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2216 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2217 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2218 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2219 (vec_unpacku_lo_optab): New optabs.
2220 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2221 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2222 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2223 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2224 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2225 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2227 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2228 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2229 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2230 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2231 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2232 implement the unsigned unpacking patterns.
2233 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2234 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2235 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2236 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2237 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2238 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2239 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2240 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2241 multiplication patterns.
2243 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2244 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2245 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2246 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2247 (rs6000_builtin_mul_widen_odd): New.
2248 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2249 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2250 * tree-vectorizer.h (enum vect_relevant): New enum type.
2251 (_stmt_vec_info): Field relevant chaned from bool to enum
2253 (STMT_VINFO_RELEVANT_P): Updated.
2254 (STMT_VINFO_RELEVANT): New.
2255 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2256 instead of STMT_VINFO_RELEVANT_P.
2257 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2258 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2259 and boolean variable with enum vect_relevant.
2260 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2261 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2262 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2264 2006-11-08 Richard Henderson <rth@redhat.com>
2266 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2267 vec_widen_umult_lo_v8hi): New.
2268 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2269 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2271 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2272 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2273 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2274 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2275 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2276 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2277 vec_unpacks_lo_v4si): New.
2279 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2281 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2282 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2283 (vect_analyze_operations): Call vectorizable_type_demotion.
2284 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2285 stmt_vec_info_type value.
2286 (vectorizable_type_demotion): New function declaration.
2287 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2290 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2291 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2293 * tree-iniline.c (estimate_num_insns_1): Likewise.
2294 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2295 * optabs.c (optab_for_tree_code): Likewise.
2297 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2298 compared against the predicate of the result is not 'mode' (the input
2299 to the function) but a mode with half the size of 'mode'.
2300 (init_optab): Initialize new optabs.
2301 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2303 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2305 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2306 (vec_pack_usat_optab): Initialize new optabs.
2307 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2308 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2310 2006-11-08 Richard Henderson <rth@redehat.com>
2312 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2313 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2314 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2315 (vec_interleave_highv4si, vec_interleave_lowv4si):
2316 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2318 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2320 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2322 (vect_transform_stmt): Removed redundant code.
2324 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2326 * tree-vect-transform.c (vectorizable_operation): Support multiple
2329 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2331 * tree-vect-transform.c (vect_align_data_ref): Removed.
2332 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2333 Updated function documentation. Return the increment stmt in ptr_incr.
2334 (bump_vector_ptr): New function.
2335 (vect_get_vec_def_for_stmt_copy): New function.
2336 (vect_finish_stmt_generation): Create a stmt_info to newly created
2338 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2340 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2341 VF is greater than the number of elements that can fit in one vector
2343 (vectorizable_operation, vectorizable_condition): Likewise.
2344 (vectorizable_store, vectorizable_load): Support the case that the VF
2345 is greater than the number of elements that can fit in one vector word.
2346 (vect_transform_loop): Don't fail in case of multiple data-types.
2347 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2348 in case of multiple data-types; the smallest type determines the VF.
2349 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2350 if they are of different sizes.
2351 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2352 number of elements rather than number of bytes.
2353 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2354 (vect_can_advance_ivs_p): Fix a dump printout
2356 2006-11-07 Eric Christopher <echristo@apple.com>
2358 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2359 (__bswapsi2): Ditto.
2360 * libgcc2.h: Remove transformation of bswap routines.
2361 * config/i386/i386.md (bswapsi2): New.
2364 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2366 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2367 (handle_gnu_inline_attribute): New function.
2368 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2369 (merge_decls, start_decl, start_function): Likewise.
2370 * doc/extend.texi: Document gnu_inline attribute.
2372 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2375 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2376 _fixunstfdi, and _floatditf
2378 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2380 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2382 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2383 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2384 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2385 which start in an odd register.
2387 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2389 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2391 2006-11-07 Josh Conner <jconner@apple.com>
2393 * doc/invoke.texi (fstrict-aliasing): Move implementation
2395 * doc/tree-ssa.texi (Alias analysis): ...here.
2397 2006-11-07 Richard Guenther <rguenther@suse.de>
2399 PR tree-optimization/29610
2400 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2401 of tree_purge_dead_eh_edges as it may free dominators.
2403 * g++.dg/other/pr29610.C: New testcase.
2405 2006-11-07 David Ung <davidu@mips.com>
2407 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2408 costs when optimizing for size.
2409 (override_options): Use mips_rtx_cost_optimize_size table for cost
2412 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2414 * gcc.c (process_command): Treat -b as normal switch if its argument
2417 2006-11-07 David Ung <davidu@mips.com>
2419 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2422 2006-11-06 Eric Christopher <echristo@apple.com>
2424 * config.gcc: Add x86_64-darwin host support.
2425 * config.host: Ditto.
2426 * config/i386/darwin64.h: New file.
2427 * config/i386/t-darwin64: Ditto.
2429 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2431 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2432 and output-exists-not.
2434 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2437 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2438 checking for overflow.
2440 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2442 * configure.ac: Fixed typo in case statement: :: changed to ;;
2444 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2446 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2447 count_leading_zeros, and count_trailing_zeros.
2448 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2449 (TARGET_FOLD_BUILTIN): Define.
2450 (TARGET_EXPAND_BUILTIN): Define.
2451 (xtensa_init_builtins): New.
2452 (xtensa_fold_builtin): New.
2453 (xtensa_expand_builtin): New.
2454 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2455 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2456 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2457 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2458 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2459 (any_extend): New code macro.
2460 (u, su): New code attributes.
2461 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2462 (nsau): Remove; replaced by clzsi2.
2463 (ffssi2): Use clzsi2.
2464 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2465 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2466 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2467 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2468 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2470 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2472 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2474 * config/arm/t-strongarm-elf: Likewise.
2475 * config/arm/t-pe: Likewise.
2476 * config/arm/t-arm-elf: Likewise.
2477 * config/arm/t-xscale-elf: Likewise.
2478 * config/arm/t-arm-coff: Likewise.
2479 * config/arm/t-xscale-coff: Likewise.
2480 * config/arm/t-wince-pe: Likewise.
2482 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2484 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2487 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2490 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2493 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2496 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2497 as a valid 80387 constant.
2498 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2499 * config/i386/i386.md (unnamed splitter): Split the load of
2500 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2503 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2505 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2506 from the soft-frame, argument and virtual registers.
2508 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2510 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2511 patterns for standard 80387 constants.
2513 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2514 Steven Bosscher <steven@gcc.gnu.org>
2516 * fwprop.c: New file.
2517 * Makefile.in: Add fwprop.o.
2518 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2519 * passes.c (init_optimization_passes): Schedule forward propagation.
2520 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2522 * timevar.def (TV_FWPROP): New.
2523 * common.opt (-fforward-propagate): New.
2524 * opts.c (decode_options): Enable forward propagation at -O2.
2525 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2526 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2527 canon_for_address, table_size): Remove.
2528 (new_basic_block, insert, remove_from_table): Remove references to
2530 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2531 simplification loop more straightforward by not calling fold_rtx
2533 (equiv_constant): Move here a small part of fold_rtx_subreg,
2534 do not call fold_rtx. Call avoid_constant_pool_reference
2536 * recog.h (canonicalize_change_group): New.
2538 * doc/invoke.texi (Optimization Options): Document fwprop.
2539 * doc/passes.texi (RTL passes): Document fwprop.
2541 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2543 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2544 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2545 (grokdeclarator): Likewise.
2547 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2549 * tree-dump.c (dump_enable_all): Rename local variable
2550 ir_type to avoid name conflicts.
2551 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2552 instead of using ir_type().
2553 * profile.c (tree_register_profile_hooks): Likewise.
2554 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2555 * basic-block.h (struct edge_def): Likewise.
2556 * config/arm/arm.c (legitimize_pic_address): Likewise.
2557 * coretypes.h (ir_type): New enum of all intermediate languages
2559 * cfghooks.c (ir_type): Rename to...
2560 (current_ir_type): ...this. Distinguish between cfgrtl and
2561 cfglayout mode when the current IR is RTL. Return enum ir_type.
2562 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2564 2006-11-03 Paul Brook <paul@codesourcery.com>
2566 * config/arm/arm.c (arm_file_start): New function.
2567 (TARGET_ASM_FILE_START): Define.
2568 (arm_default_cpu): New variable.
2569 (arm_override_options): Set arm_default_cpu.
2571 2006-11-03 David Ung <davidu@mips.com>
2573 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2574 PROCESSOR_24KC and PROCESSOR_24KF.
2575 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2576 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2577 (mips_rtx_cost_data): Add costs for the 24kc.
2578 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2579 * config/mips/24k.md: Remove references to 24k and replace with
2580 uses of 24kc/24kf in the appropriate reservations.
2581 * doc/invoke.texi (MIPS Options): Updated.
2583 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2585 * config/sh/crt1.asm: Fix #ifdef indent.
2587 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2588 Merged from STMicroelectronics sources:
2589 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2590 * config/sh/crt1.asm (vbr_600): Add missing #if.
2591 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2592 * sh.opt (mfused-madd): New option.
2593 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2594 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2595 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2596 Remove pointless handler at VBR+0.
2597 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2598 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2599 fr7. Make sure the timer handler is called with the correct FPU
2600 precision setting, according to the ABI.
2601 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2602 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2603 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2604 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2605 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2606 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2607 zero as second operand.
2608 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2609 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2610 Fixed some bugs related to negative values, in particular -0
2611 and overflow at -0x80000000.
2612 * config/sh/divcost-analysis: Added sh4-300 figures.
2613 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2614 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2615 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2616 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2617 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2618 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2620 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2622 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2623 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2624 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2625 mac_mem, mem_mac, dfp_mul, fp_cmp.
2626 (insn_class, dfp_comp, any_fp_comp): Update.
2627 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2628 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2629 (muldf3_i): Likewise.
2630 (movsi_i): Split rI08 alternative into two separate alternatives.
2632 (movsi_ie, movsi_i_lowpart): Likewise.
2633 (movqi_i): Split ri alternative into two separate alternatives.
2635 * sh1.md (sh1_load_store, sh1_fp): Update.
2636 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2637 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2638 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2639 (sh4a_fp_double_arith): Likewise.
2640 * sh4-300.md: New file.
2641 * sh.c (sh_handle_option): Handle m4-300* options.
2642 (sh_adjust_cost): Fix latency of auto-increments.
2643 Handle SH4-300 differently than other SH4s. Check for new insn types.
2644 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2645 been set by an option.
2646 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2647 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2648 (mbranch-cost=): Likewise.
2649 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2651 * sh.md (mulsf3): Remove special expansion code.
2652 (mulsf3_ie): Now a define_insn_and_split.
2653 (macsf3): Allow for TARGET_SH4.
2655 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2656 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2657 (expand_cbranchdi4): Likewise.
2658 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2659 CONST_DOUBLE if the outer code is COMPARE.
2660 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2661 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2662 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2663 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2664 Remove redundant fp_{zero,one}_operand checks.
2665 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2666 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2667 (expand_cbranchdi4): Likewise.
2668 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2669 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2671 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2673 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2676 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2678 * doc/invoke.texi: Fix mfp-trap-mode typo.
2680 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2682 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2683 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2684 file_end_indicate_exec_stack.
2685 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2687 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2688 for a non-executable stack.
2689 * crti.asm: Likewise.
2690 * crtn.asm: Likewise.
2691 * libunwind.S: Likewise.
2693 2006-11-02 Ben Elliston <bje@au.ibm.com>
2695 * tree-ssa.c (warn_uninit): Use expand_location variables for
2696 locus and declaration locus.
2698 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2701 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2702 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2703 cmp{eq,gt,gtu}{si,di}_media.
2704 (*cmpne0si_media): Remove.
2705 (*movsicc_umin): Adjust gen_cmp*_media call.
2706 (unordered): Change the mode of unordered and operands[1] to
2708 (seq): Adjust gen_cmp*_media calls. Make the mode of
2709 a temporary result of compare SImode if needed. If the mode
2710 of operands[0] is DImode, extend the temporary result to DImode.
2711 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2712 (sunorderd): Change the mode of match_operand and unorderd to
2714 (cmpeq{sf,df}_media): Remove.
2715 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2716 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2717 and compare operation to SImode.
2719 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2721 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2723 (sparc64-sun-solaris2*): Likewise.
2725 2006-11-02 Paul Brook <paul@codesourcery.com>
2727 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2728 from priority argument. Use different section for non-default
2730 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2732 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2735 * except.c (switch_to_exception_section): Do not cache the section
2736 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2737 and flag_function_sections is set.
2739 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2742 * builtins.c (do_mpfr_sincos): New.
2743 (fold_builtin_1): Use it to fold builtin sincos.
2745 2006-11-01 Roger Sayle <roger@eyesopen.com>
2747 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2748 it into -D_REENTRANT.
2750 2006-11-01 Roger Sayle <roger@eyesopen.com>
2752 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2753 whether the assembler supports taking the difference of symbols in
2754 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2755 * configure: Regenerate.
2756 * config.in: Regenerate.
2757 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2758 the assembler doesn't support taking the difference of symbols in
2759 different sections, i.e. we're using the native solaris assembler.
2761 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2762 Peter Bergner <bergner@vnet.ibm.com>
2764 * doc/invoke.texi: Add cpu_type power6x
2765 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2766 * config.gcc: Add cpu_type power6x.
2767 * configure.ac: Add test for mf{t,f}gpr instructions.
2768 (HAVE_AS_MFPGPR): New.
2769 * config.in: Regenerate.
2770 * configure: Regenerate.
2771 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2772 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2773 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2774 and mftgpr attributes.
2775 (define_attr "cpu"): Add power6.
2776 Change instruction sequences to use new attributes.
2777 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2778 (fix_truncdfsi2_mfpgpr): New.
2779 (floatsidf_ppc64_mfpgpr): New.
2780 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2781 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2782 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2783 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2784 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2785 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2786 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2787 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2788 cntlz,exts and var_delayed_compare.
2789 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2790 _ARCH_PWR6X, if features enabled.
2791 * config/rs6000/rs6000.opt (mmfpgpr): New.
2792 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2793 (cached_can_issue_more): New variable.
2794 (processor_costs): Add power6_cost.
2795 (rs6000_sched_init): New function.
2796 (is_dispatch_slot_restricted): Deleted.
2797 (set_to_load_agen): New function.
2798 (is_load_insn,is_store_insn): New functions.
2799 (adjacent_mem_locations): New function.
2800 (insn_must_be_first_in_group): New function.
2801 (insn_must_be_last_in_group): New function.
2802 (rs6000_sched_reorder): New function.
2803 (rs6000_sched_reorder2): New function.
2804 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2805 TARGET_SCHED_REORDER2): Define.
2806 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2807 Add power6x. Add MASK_MFPGPR for power6x.
2808 (POWERPC_MASKS): Add MASK_MFPGPR.
2809 (rs6000_override_options): Set rs6000_always_hint to false
2810 for power6. Set rs6000_align_branch_targets. Replace
2811 rs6000_sched_groups check with rs6000_align_branch_targets.
2812 Use PROCESSOR_POWER6.
2813 (last_scheduled_insn): New variable.
2814 (load_store_pendulum): New variable.
2815 (rs6000_variable_issue): Set last_scheduled_insn and
2816 cached_can_issue_more.
2817 (rs6000_adjust_cost): Add power6 cost adjustments.
2818 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2819 with insn_must_be_first_in_group. Add power6 priority adjustments.
2820 (rs6000_issue_rate): Add CPU_POWER6.
2821 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2822 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2823 (TARGET_MFPGPR): New.
2824 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2825 (ASM_CPU_SPEC): Add power6x.
2826 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2828 * config/rs6000/power6.md: New file.
2830 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2832 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2833 HOST_WIDE_INT_PRINT to print high and low parts. Use
2834 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2835 printing a hexadecimal number prefix it with 0x.
2837 2006-11-01 Chris Johns <chris@contemporary.net.au>
2840 * Makefile.in (install-driver): Use exeext when installing
2841 $target-gcc-$version.
2843 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2845 * c-common.c (flag_cpp0x): New.
2846 * c-common.h (flag_cpp0x): New.
2847 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2848 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2849 * c-opts.c (set_std_cxx0x): New.
2850 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2851 * c.opt (std=c++0x): Document.
2852 (std=gnu++0x): Ditto.
2853 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2854 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2856 2006-11-01 Richard Guenther <rguenther@suse.de>
2858 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2860 (ix86_expand_floorceildf_32): Likewise.
2861 (ix86_expand_floorceil): Likewise.
2862 (ix86_expand_trunc): Likewise.
2864 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2866 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2869 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2871 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2873 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2875 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2877 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2878 * configure.ac (use_cxa_atexit): As a special case, don't test
2879 for libc definition of __cxa_atexit on mingw32
2880 * configure: Regenerate.
2881 * config.gcc (i[34567]86-pc-mingw32): Default to
2882 enable__cxa_atexit=yes.
2884 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2886 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2888 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2891 * c-decl.c (start_struct): Don't create self-containing
2893 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2895 * config/rs6000/rs6000-protos.h
2896 (darwin_rs6000_special_round_type_align): New.
2897 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2898 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2900 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2902 * toplev.c (compile_file): Call final_write_globals
2903 even if there have been errors.
2905 2006-10-31 Eric Christopher <echristo@apple.com>
2906 Falk Hueffner <falk@debian.org>
2908 * doc/extend.texi (__builtin_bswap32): Document.
2909 (__builtin_bswap64): Ditto.
2910 * doc/libgcc.texi (bswapsi2): Document.
2912 * doc/rtl.texi (bswap): Document.
2913 * optabs.c (expand_unop): Don't widen a bswap.
2914 (init_optabs): Init bswap. Set libfuncs explicitly
2915 for bswapsi2 and bswapdi2.
2916 * optabs.h (OTI_bswap): New.
2917 (bswap_optab): Ditto.
2918 * genopinit.c (optabs): Handle bswap_optab.
2919 * tree.h (tree_index): Add TI_UINT32_TYPE and
2921 (uint32_type_node): New.
2922 (uint64_type_node): Ditto.
2923 * tree.c (build_common_tree_nodes_2): Initialize
2924 uint32_type_node and uint64_type_node.
2925 * builtins.c (expand_builtin_bswap): New.
2926 (expand_builtin): Call.
2927 (fold_builtin_bswap): New.
2928 (fold_builtin_1): Call.
2929 * fold-const.c (tree_expr_nonnegative_p): Return true
2931 * builtin-types.def (BT_UINT32): New.
2933 (BT_FN_UINT32_UINT32): Ditto.
2934 (BT_FN_UINT64_UINT64): Ditto.
2935 * builtins.def (BUILT_IN_BSWAP32): New.
2936 (BUILT_IN_BSWAP64): Ditto.
2937 * rtl.def (BSWAP): New.
2938 * genattrtab.c (check_attr_value): New.
2939 * libgcc2.c (__bswapSI2): New.
2940 (__bswapDI2): Ditto.
2941 * libgcc2.h (__bswapSI2): Declare.
2942 (__bswapDI2): Ditto.
2943 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2944 * simplify-rtx.c (simplify_const_unary_operation): Return
2946 * libgcc-std.ver (__bwapsi2): Add.
2947 (__bswapdi2): Ditto.
2948 * reload1.c (eliminate_regs_1): Add bswap.
2949 (elimination_effects): Ditto.
2950 * config/i386/i386.h (x86_bswap): New.
2951 (TARGET_BSWAP): Use.
2952 * config/i386/i386.c (x86_bswap): Set.
2954 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2956 * coverage.c (coverage_checksum_string): Update comment.
2957 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2958 of get_file_function_name.
2959 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2960 of get_file_function_name_long.
2961 * tree.c (get_file_function_name): Rename from
2962 get_file_function_name_long; improve comment; handle 'I' and 'D'
2963 specially when the target has ctor/dtor support; remove special
2965 (get_file_function_name): Remove.
2966 * tree.h (get_file_function_name): Rename from
2967 get_file_function_name_long.
2968 (get_file_function_name): Remove prototype.
2970 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2972 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2973 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2975 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2976 Call dsymutil when compiling and linking one or more source files
2979 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2982 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2984 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2986 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
2987 inline static functions in c99 mode.
2990 * doc/extend.texi (Inline): Update.
2991 * c-tree.h (struct language_function): Remove field 'extern_inline'.
2992 * c-decl.c (current_extern_inline): Delete.
2993 (pop_scope): Adjust test for an undefined nested function.
2994 Add warning about undeclared inline function.
2995 (diagnose_mismatched_decls): Update comments. Disallow overriding
2996 of inline functions in a translation unit in C99. Allow inline
2997 declarations in C99 at any time.
2998 (merge_decls): Boolize variables. Handle C99 'extern inline'
3000 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3001 C99 inline semantics.
3002 (start_function): Don't clear current_extern_inline. Don't set
3004 (c_push_function_context): Don't push current_extern_inline.
3005 (c_pop_function_context): Don't restore current_extern_inline.
3008 * c-typeck.c (build_external_ref): Warn about static variables
3009 used in extern inline functions.
3010 * c-decl.c (start_decl): Warn about static variables declared
3011 in extern inline functions.
3013 2006-10-31 Roger Sayle <roger@eyesopen.com>
3016 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3017 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3018 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3019 or y is an even integer.
3021 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3024 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3025 * gthr-posix95.h (__gthread_active_p): Likewise.
3027 2006-10-31 Richard Guenther <rguenther@suse.de>
3029 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3030 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3031 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3032 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3033 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3034 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3035 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3036 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3039 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3041 * opts.c (decode_options): Disable CSE skip blocks.
3043 2006-10-30 Dirk Mueller <dmueller@suse.de>
3045 * c-common.h (strict_aliasing_warning): Fix whitespace.
3046 * c-decl (start_function): Move code for main decl warning ..
3047 * c-common.c (check_main_parameter_types): .. here.
3048 * c-common.h (check_main_parameter_types): Declare.
3050 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3053 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3055 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3057 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3058 be a PARALLEL containing sets. Return false when out_pat is not
3061 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3063 * config/mips/mips.md (mul<mode>3): Split into...
3064 (mulsi3, muldi3): ...these separate patterns.
3066 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3068 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3069 but with each set of options separated by spaces.
3071 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3073 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3074 dwarf_reg_size_table has been initialized.
3076 2006-10-30 Roger Sayle <roger@eyesopen.com>
3078 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3079 * ddg.c (print_ddg_edge): Likewise.
3080 * dwarf2out.c (prune_unused_types_walk): Likewise.
3081 * ifcvt.c (noce_try_cmove_arith): Likewise.
3082 * langhooks.c (add_builtin_function): Likewise.
3083 * reg-stack.c (subst_stack_regs_pat): Likewise.
3084 * tree.c (expanded_location): Likewise.
3085 * tree-dump.c (dequeue_and_dump): Likewise.
3087 2006-10-30 David Daney <ddaney@avtrex.com>
3089 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3091 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3093 PR tree-optimization/29637
3094 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3095 of the innertype is the innertype itself.
3097 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3099 * dwarf2out.c (file_name_acquire): Correct typo.
3101 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3103 * tree.h (tree_value_handle): Remove struct value_set declaration.
3104 Change value_set to bitmap_set.
3105 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3106 * tree-vn.c (get_value_handle): Made inline and moved to
3108 * tree-flow-inline.h: (has_stmt_ann): New function.
3109 * tree-ssa-pre.c (expressions): New variable.
3110 (next_expression_id): Ditto.
3111 (alloc_expression_id): New function.
3112 (struct value_set): Remove.
3113 (get_expression_id): New function.
3114 (get_or_alloc_expression_id): Ditto.
3115 (expression_for_id): Ditto.
3116 (clear_expression_ids): Ditto.
3117 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3118 (bb_value_sets): Renamed to bb_bitmap_sets.
3119 All value sets replaced with bitmap_sets.
3121 (BB_VISITED): New macro.
3122 (postorder): New variable.
3123 (add_to_value): Removed.
3124 (value_exists_in_set_bitmap): Ditto.
3125 (value_insert_into_set_bitmap): Ditto.
3128 (set_remove): Ditto.
3129 (set_contains_value): Ditto.
3130 (insert_into_set): Ditto.
3132 (find_leader): Ditto.
3133 (bitmap_set_subtract_from_value_set): Ditto.
3134 (value_insert_into_set): Ditto.
3135 (print_value_set): Ditto.
3136 (debug_value_set): Ditto.
3137 (constant_expr_p): New function.
3138 (bitmap_remove_from_set): Ditto.
3139 (bitmap_insert_into_set): Ditto.
3140 (bitmap_set_free): Ditto.
3141 (vh_compare): Ditto.
3142 (sorted_array_from_bitmap_set): Ditto.
3143 (bitmap_set_subtract): Ditto.
3144 (bitmap_set_equal): Ditto.
3145 (debug_bitmap_set): Ditto.
3146 (find_leader_in_sets): Ditto.
3147 (bitmap_set_replace_value): Modify for bitmapped sets.
3148 (phi_translate): Ditto.
3149 (phi_translate_set): Ditto.
3150 (bitmap_find_leader): Ditto.
3151 (valid_in_sets): Ditto.
3152 (union_contains_value): Ditto.
3154 (compute_antic_aux): Ditto. Mark changed blocks.
3155 (compute_antic): Ditto. Iterate in postorder and only over
3157 (compute_rvuse_and_antic_safe): Reuse postorder.
3158 (create_component_ref_by_pieces): Modify for bitmapped sets.
3159 (find_or_generate_expression): Ditto.
3160 (create_expression_by_pieces): Ditto.
3161 (insert_into_preds_of_block): Ditto.
3162 (changed_blocks): New variable.
3163 (do_regular_insertion): Broken out from insert_aux.
3164 (insert_aux): Modified for bitmapped sets.
3165 (find_existing_value_expr): New function.
3166 (create_value_expr_from): Use it.
3167 (insert_extra_phis): Removed.
3168 (print_bitmap_set): Renamed from bitmap_print_value_set.
3169 (compute_avail): Handle RETURN_EXPR.
3170 (init_pre): Modify for bitmapped sets.
3171 * tree-flow.h (has_stmt_ann): New function.
3173 2006-10-29 Roger Sayle <roger@eyesopen.com>
3175 * builtins.c (fold_builtin_floor): Check for the availability of
3176 the C99 trunc function before transforming floor into trunc.
3178 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3180 * builtins.c (fold_builtin_hypot): Rearrange recursive
3181 transformation before others, and also do ABS_EXPR. When
3182 necessary, check flag_unsafe_math_optimizations. When necessary,
3185 2006-10-29 Roger Sayle <roger@eyesopen.com>
3187 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3188 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3189 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3190 Fold -X eq/ne -Y as X eq/ne Y.
3192 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3194 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3195 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3196 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3197 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3198 Use an inclusive test for "mult" rather than "mul".
3199 (rotr<mode>3): Depend on ISA_HAS_ROR.
3200 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3202 (GENERATE_MULT3_DI): Delete.
3203 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3204 (ISA_HAS_MUL3): New macro.
3205 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3206 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3207 (ISA_HAS_CLZ_CLO): Likewise.
3208 (ISA_HAS_DCLZ_DCLO): Delete.
3209 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3210 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3211 the VR4120 and VR4130.
3212 (ISA_HAS_MACCHI): Use consistent formatting.
3213 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3214 (ISA_HAS_ROR): ...this new macro.
3215 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3216 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3217 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3219 2006-10-29 Roger Sayle <roger@eyesopen.com>
3221 PR tree-optimization/15458
3222 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3225 2006-10-29 Richard Guenther <rguenther@suse.de>
3227 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3228 (ix86_expand_truncdf_32): Likewise.
3229 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3230 trunc inline for SSE math and -fno-trapping-math and if not
3231 optimizing for size.
3232 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3233 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3234 for expanding btrunc inline for SSE math.
3236 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3238 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3239 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3240 i[34567]86-*-solaris2.1[0-9]*.
3241 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3242 Define conditionally depending on TARGET_64BIT_DEFAULT.
3243 (SPEC_32, SPEC_64): Define.
3244 (LINK_SPEC): Use them.
3245 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3247 2006-10-29 Richard Guenther <rguenther@suse.de>
3249 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3250 (ix86_expand_rounddf_32): Likewise.
3251 * config/i386/i386.c (ix86_expand_round): New function expanding
3252 round inline for SSE math and -fno-trapping-math and if not
3253 optimizing for size.
3254 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3255 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3256 round via ix86_expand_round.
3258 2006-10-29 Richard Guenther <rguenther@suse.de>
3260 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3261 (ix86_expand_floorceildf_32): Likewise.
3262 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3263 static helper function.
3264 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3266 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3267 * config/i386/i386.md (floordf2): Adjust to enable floor
3268 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3269 -fno-trapping-math is enabled and if not optimizing for size.
3270 (floorsf2, ceildf2, ceilsf2): Likewise.
3271 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3272 (sse2_maskcmpdf3): Likewise.
3274 2006-10-29 Richard Guenther <rguenther@suse.de>
3276 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3277 rint in case -fno-trapping-math is enabled.
3278 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3279 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3280 (ix86_expand_sse_fabs): Likewise.
3281 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3282 * config/i386/i386.md (rintdf2): Enable for SSE math if
3283 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3284 (rintsf2): Likewise.
3286 2006-10-29 Richard Guenther <rguenther@suse.de>
3288 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3289 to conversion optabs.
3290 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3291 as conversion optab.
3292 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3293 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3294 (lfloor_optab, lceil_optab): Adjust defines.
3295 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3296 lfloor and lceil optabs now being conversion optabs.
3297 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3298 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3299 New static helper function.
3300 (ix86_expand_lfloorceil): New function to expand lfloor and
3302 * config/i386/i386.md (lfloor<mode>2): Split into ...
3303 (lfloorxf<mode>2): ... x87 variant
3304 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3305 using ix86_expand_lfloorceil.
3306 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3308 * doc/md.texi (lfloorMN, lceilMN): Document.
3310 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3312 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3313 -mno-shared assembler option on mips targets.
3314 * configure, config.in: Regenerate.
3315 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3316 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3317 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3319 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3321 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3322 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3324 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3326 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3327 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3330 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3333 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3334 (fold_builtin_pow): Evaluate constant arguments at compile-time
3336 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3337 (do_mpfr_ckconv): New helper function.
3338 (do_mpfr_arg1): Use do_mpfr_ckconv.
3339 (do_mpfr_arg2): New.
3341 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3344 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3345 (-fdump-rtl-sched): Rename to ..
3346 (-fdump-rtl-sched1): here. Also fix file extension number.
3348 2006-10-28 Richard Guenther <rguenther@suse.de>
3350 * fold-const.c (maybe_canonicalize_comparison): Fix code
3353 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3355 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3356 (NON_QI_REG_P): Use IN_RANGE.
3357 (REX_INT_REGNO_P): Use IN_RANGE.
3358 (FP_REGNO_P): Use IN_RANGE.
3359 (SSE_REGNO_P): Use IN_RANGE.
3360 (REX_SSE_REGNO_P): Use IN_RANGE.
3361 (MMX_REGNO_P): Use IN_RANGE.
3362 (STACK_REGNO_P): New macro.
3363 (STACK_REG_P): Use STACK_REGNO_P.
3364 (NON_STACK_REG_P): Use STACK_REGNO_P.
3365 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3366 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3367 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3368 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3369 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3371 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3373 * except.h (output_function_exception_table): Add 'const char*' param.
3374 * except.c (switch_to_exception_section): Add 'const char*' param.
3375 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3376 and flag_function_sections is set, use a function-specific section.
3377 (output_function_exception_table): Add 'const char*' param.
3378 Adjust call to switch_to_exception_section.
3379 * final.c (rest_of_handle_final): Adjust calls to
3380 output_function_exception_table.
3381 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3382 * config.in: Regenerate.
3383 * configure: Likewise.
3385 2006-10-28 Richard Guenther <rguenther@suse.de>
3388 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3389 for maybe_canonicalize_comparison.
3390 (maybe_canonicalize_comparison): New function for canonicalizing
3392 (fold_comparison): Call it to canonicalize comparisons with
3395 2006-10-28 Richard Guenther <rguenther@suse.de>
3398 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3399 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3400 (expand_builtin): Adjust likewise.
3401 * genopinit.c (optabs[]): Add lround optab.
3402 * optabs.c (init_optabs): Initialize lround_optab.
3403 * optabs.h (enum convert_optab_index): Add COI_lround.
3404 (lround_optab): Define.
3405 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3406 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3408 (ix86_expand_lround): New function.
3409 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3411 * doc/md.texi (lroundMN2): Document.
3413 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3416 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3417 argument to HOST_WIDE_INT. Update function prototype.
3418 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3419 "size" argument to HOST_WIDE_INT. Update function prototype.
3421 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3423 * config/i386/i386.c (output_387_ffreep): Create output from a
3424 template string for !HAVE_AS_IX86_FFREEP.
3426 2006-10-27 Eric Christopher <echristo@apple.com>
3428 * config/darwin.c: Fix formatting and grammar.
3430 2006-10-27 Jan Hubicka <jh@suse.cz>
3432 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3433 to be thrown away soon when IGNORE is set.
3434 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3435 indicating when return value shall not be computed.
3436 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3438 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3440 * config/i386/i386.h (TARGET_GEODE):
3441 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3442 (TARGET_CPU_DEFAULT_geode): New macro.
3443 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3444 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3445 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3446 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3447 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3449 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3450 (processor_type): Add PROCESSOR_GEODE.
3452 * config/i386/i386.md: Include geode.md.
3455 * config/i386/i386.c (geode_cost): New initialized global
3457 (m_GEODE, m_K6_GEODE): New macros.
3458 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3459 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3460 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3461 x86_schedule): Use m_K6_GEODE instead of m_K6.
3462 (x86_movx, x86_cmove): Set up m_GEODE.
3463 (x86_integer_DFmode_moves): Clear m_GEODE.
3464 (processor_target_table): Add entry for geode.
3465 (processor_alias_table): Ditto.
3467 * config/i386/geode.md: New file.
3469 * doc/invoke.texi: Add entry about geode processor.
3471 2006-10-27 Mike Stump <mrs@apple.com>
3473 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3474 __DYNAMIC__ from here back to ...
3475 * config/darwin.h (CPP_SPEC): ... here.
3477 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3478 Nathan Sidwell <nathan@codesourcery.com>
3480 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3481 when choosing the minimum heapsize.
3483 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3485 * gcc/unwind-dw2.h: Move cfa-related variables into
3486 struct frame_state_reg_info to ensure that the CFA is properly
3487 handled when executing DW_CFA_{remember,restore}_state.
3488 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3489 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3490 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3491 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3492 gcc/config/rs6000/linux-unwind.h,
3493 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3494 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3495 Modify to use new cfa_* fields.
3497 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3499 * config/s390/s390.c (s390_init_frame_layout): Check positive
3502 2006-10-26 Ben Elliston <bje@au.ibm.com>
3504 * gimplify.c (get_name): Remove extraneous break.
3505 (gimplify_omp_for): Initialise ret with GS_OK.
3507 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3509 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3510 Add unix98.o to link line.
3512 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3515 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3516 Calculate compile-time constants using MPFR.
3517 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3518 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3520 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3522 * config/xtensa/lib2funcs.S: Use C-style comments.
3524 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3526 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3527 (file_table_relative_p): Likewise.
3528 (dwarf2out_finish): Likewise.
3529 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3531 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3533 * tree-ssa-structalias.c (intra_create_variable_infos):
3534 Don't recreate nonlocal_all if it already exists.
3536 2006-10-25 Richard Guenther <rguenther@suse.de>
3539 * optabs.h (enum optab_index): Remove OTI_lrint.
3540 (enum convert_optab_index): Add COI_lrint.
3541 (lrint_optab): Adjust.
3542 (expand_sfix_optab): Declare.
3543 * optabs.c (expand_sfix_optab): New function.
3544 (init_optabs): Init lrint_optab as conversion optab.
3545 * genopinit.c (lrint_optab): Change to a conversion optab.
3546 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3547 expansion via conversion optab.
3548 * config/i386/i386.md (*fistdi2_1): Remove
3549 flag_unsafe_math_optimizations guard.
3550 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3551 fist<mode>2_with_temp): Likewise.
3552 (lrint<mode>2): Split into...
3553 (lrintxf<mode>2): ... x87 part
3554 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3555 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3556 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3557 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3558 * doc/md.texi (lrintMN2): Document.
3560 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3563 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3564 Use inc and dec instructions for TARGET_USE_INCDEC.
3565 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3566 ("sync_double_compare_and_swap<mode>"): Likewise.
3567 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3568 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3569 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3570 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3571 ("sync_old_add<mode>"): Likewise.
3572 ("sync_lock_test_and_set<mode>"): Likewise.
3573 ("sync_lock_test_and_set<mode>"): Likewise.
3574 ("sync_add<mode>"): Likewise.
3575 ("sync_sub<mode>"): Likewise.
3576 ("sync_ior<mode>"): Likewise.
3577 ("sync_and<mode>"): Likewise.
3578 ("sync_xor<mode>"): Likewise.
3580 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3582 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3583 (remainder_optab): Define corresponding macro.
3584 (drem_optab): Remove.
3585 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3586 drem_optab initialization.
3587 * genopinit.c (optabs): Implement remainder_optab using
3588 remainder?f3 patterns. Remove drem_optab.
3589 * builtins.c (expand_builtin_mathfn_2): Handle
3590 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3591 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3592 expand_builtin_mathfn_2.
3594 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3595 depend on flag_unsafe_math_optimizations.
3597 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3598 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3599 Do not depend on flag_unsafe_math_optimizations. Use
3600 truncxf?f expander instead of truncxf?f_i387_noop.
3602 ("fpremxf4", "fprem1xf4"): Do not depend on
3603 flag_unsafe_math_optimizations.
3604 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3605 flag_unsafe_math_optimizations. Use truncxf?f expander
3606 instead of truncxf?f_i387_noop.
3608 * doc/md.texi (fmod, remainder): Document standard named pattern.
3610 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3611 David Daney <ddaney@avtrex.com>
3614 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3616 2006-10-25 Ben Elliston <bje@au.ibm.com>
3618 * doc/extend.texi (Variable Attributes): Typo fix.
3620 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3622 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3623 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3624 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3625 (FRAME_POINTER_REGNUM): Update register number to 21.
3626 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3627 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3629 * config/i386/i386.c (regclass_map): Add fpcr entry.
3630 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3632 (print_reg): Assert REGNO (x) != FPCR_REG.
3634 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3635 (DIRFLAG_REG): Renumber.
3636 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3637 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3638 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3639 hardcoded SSE register numbers.
3641 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3642 hardcoded MMX register numbers.
3644 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3647 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3648 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3650 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3651 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3652 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3653 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3655 2006-10-24 Richard Guenther <rguenther@suse.de>
3658 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3659 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3660 for deciding optimizations in consistency with fold-const.c
3661 (fold_builtin_unordered_cmp): Likewise.
3663 2006-10-24 Richard Guenther <rguenther@suse.de>
3665 * builtins.c (fold_builtin_floor): Fold floor (x) where
3666 x is nonnegative to trunc (x).
3667 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3668 nonnegative to FIX_TRUNC_EXPR.
3670 2006-10-24 Richard Guenther <rguenther@suse.de>
3672 PR tree-optimization/29567
3673 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3674 for TRUTH_NOT_EXPR. Clarify comments.
3676 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3679 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3680 at compile-time using MPFR. Change parameter VALUE to FUNC,
3682 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3683 for overflow and underflow at all times and avoid folding in
3686 2006-10-24 Ben Elliston <bje@au.ibm.com>
3688 * reload1.c: Formatting fixes.
3690 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3692 PR tree-optimization/14784
3693 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3694 * tree-ssa-structalias.c (get_constraint_for,
3695 intra_create_variable_infos): Set is_heapvar.
3696 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3697 non-heapvar pointer variables specially.
3699 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3702 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3703 fold_builtin_tan): Fold all constant arguments. Take a "type"
3704 argument as necessary.
3705 (do_mpfr_arg1): New.
3706 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3708 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3710 * config/xtensa/lib1funcs.asm: Use C-style comments.
3712 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3714 * tree.c (local_define_builtin): Replace calls to
3715 lang_hooks.builtin_function with add_builtin_function.
3716 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3718 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3720 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3721 common code to add_builtin_function.
3722 * langhooks.c (add_builtin_function): New function.
3723 (lhd_builtin_function): New function.
3724 * langhooks.h (struct lang_hooks): Change the signature of
3726 (add_builtin_function): New function.
3727 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3728 calls to lang_hooks.builtin_function with add_builtin_function.
3729 * c-common.c (decl_builtin_1): Replace calls to
3730 lang_hooks.builtin_function with add_builtin_function.
3731 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3732 lang_hooks.builtin_function with add_builtin_function.
3733 * config/frv/frv.c (def_builtin): Replace calls to
3734 lang_hooks.builtin_function with add_builtin_function.
3735 * config/s390/s390.c (s390_init_builtins): Replace calls to
3736 lang_hooks.builtin_function with add_builtin_function.
3737 * config/sparc/sparc.c (def_builtin): Replace calls to
3738 lang_hooks.builtin_function with add_builtin_function.
3739 * config/i386/i386.c (def_builtin): Replace calls to
3740 lang_hooks.builtin_function with add_builtin_function.
3741 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3742 lang_hooks.builtin_function with add_builtin_function.
3743 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3744 lang_hooks.builtin_function with add_builtin_function.
3745 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3746 Replace calls to lang_hooks.builtin_function with
3747 add_builtin_function.
3748 * config/iq2000/iq2000.c (def_builtin):
3749 Replace calls to lang_hooks.builtin_function with
3750 add_builtin_function.
3751 * config/ia64/ia64.c (def_builtin): Replace calls to
3752 lang_hooks.builtin_function with add_builtin_function.
3753 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3754 lang_hooks.builtin_function with add_builtin_function.
3755 (altivec_init_builtins): Replace calls to
3756 lang_hooks.builtin_function with add_builtin_function.
3757 * config/arm/arm.c (def_mbuiltin): Replace calls to
3758 lang_hooks.builtin_function with add_builtin_function.
3759 (arm_init_tls_builtins): Replace calls to
3760 lang_hooks.builtin_function with add_builtin_function.
3761 * config/mips/mips.c (mips_init_builtins): Replace calls to
3762 lang_hooks.builtin_function with add_builtin_function.
3763 * config/bfin/bfin.c (def_builtin): Replace calls to
3764 lang_hooks.builtin_function with add_builtin_function.
3765 * langhooks-def.h (lhd_builtin_function): New function.
3766 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3768 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3770 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3771 BUILT_IN_STRNCAT_CHK.
3773 2006-10-23 Jan Hubicka <jh@suse.cz>
3775 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3776 don't do conversion from memmove to memcpy here.
3777 (expand_builtin_bcopy, expand_builtin): Update call of
3778 expand_builtin_memmove.
3779 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3781 2006-10-23 Paul Brook <paul@codesourcery.com>
3783 * stor-layout.c (start_record_layout): maximum_field_alignment
3784 overrides STRUCTURE_SIZE_BOUNDARY.
3786 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3788 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3789 nonlocal function symbols if flag_pic.
3791 2006-10-23 Richard Guenther <rguenther@suse.de>
3795 * builtins.c (fold_binary): Remove checks for flag_wrapv
3796 and flag_trapv where negate_expr_p covers these cases.
3798 2006-10-23 Richard Guenther <rguenther@suse.de>
3801 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3802 of two on the absolute value.
3803 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3804 and negating -C does not overflow.
3806 2006-10-23 Richard Guenther <rguenther@suse.de>
3809 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3810 only if not flag_rounding_math.
3812 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3813 Kaz Kojima <kkojima@gcc.gnu.org>
3816 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3817 SImode memory reference for the source of a movua.
3818 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3819 (movua): Use an unspec instead of sign_extract. Expect the source
3820 to have mode BLKmode.
3821 (extv, insv): Use a BLKmode rather than SImode memory reference
3822 for the source of a movua.
3824 2006-10-22 Jeff Law <law@redhat.com>
3825 Richard Guenther <rguenther@suse.de>
3827 PR tree-optimization/15911
3828 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3829 (register_edge_assert_for_1): Likewise.
3830 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3831 (find_conditional_asserts): Adjust for new function signature.
3832 (find_assert_locations): Likewise.
3834 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3836 * config/i386/tmmintrin.h: Remove the duplicated content.
3838 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3840 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3841 (x86_64-*-*): Likewise.
3843 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3844 (override_options): Check SSSE3.
3845 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3846 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3847 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3848 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3849 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3850 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3851 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3852 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3853 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3854 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3855 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3856 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3857 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3858 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3859 IX86_BUILTIN_PABSD128.
3860 (bdesc_2arg): Add SSSE3.
3861 (bdesc_1arg): Likewise.
3862 (ix86_init_mmx_sse_builtins): Support SSSE3.
3863 (ix86_expand_builtin): Likewise.
3864 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3866 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3867 (UNSPEC_PSIGN): Likewise.
3868 (UNSPEC_PALIGNR): Likewise.
3869 Include mmx.md before sse.md.
3871 * config/i386/i386.opt: Add -mssse3.
3873 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3874 (ssse3_phaddwv4hi3): Likewise.
3875 (ssse3_phadddv4si3): Likewise.
3876 (ssse3_phadddv2si3): Likewise.
3877 (ssse3_phaddswv8hi3): Likewise.
3878 (ssse3_phaddswv4hi3): Likewise.
3879 (ssse3_phsubwv8hi3): Likewise.
3880 (ssse3_phsubwv4hi3): Likewise.
3881 (ssse3_phsubdv4si3): Likewise.
3882 (ssse3_phsubdv2si3): Likewise.
3883 (ssse3_phsubswv8hi3): Likewise.
3884 (ssse3_phsubswv4hi3): Likewise.
3885 (ssse3_pmaddubswv8hi3): Likewise.
3886 (ssse3_pmaddubswv4hi3): Likewise.
3887 (ssse3_pmulhrswv8hi3): Likewise.
3888 (ssse3_pmulhrswv4hi3): Likewise.
3889 (ssse3_pshufbv16qi3): Likewise.
3890 (ssse3_pshufbv8qi3): Likewise.
3891 (ssse3_psign<mode>3): Likewise.
3892 (ssse3_psign<mode>3): Likewise.
3893 (ssse3_palignrti): Likewise.
3894 (ssse3_palignrdi): Likewise.
3895 (abs<mode>2): Likewise.
3896 (abs<mode>2): Likewise.
3898 * config/i386/tmmintrin.h: New file.
3900 * doc/extend.texi: Document SSSE3 built-in functions.
3902 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3904 2006-10-22 Ira Rosen <irar@il.ibm.com>
3906 * tree-vect-transform.c (vectorizable_load): Use the type of the
3907 return value of the mask_for_load builtin to create realign_load
3910 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3912 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3915 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3917 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3918 (UNSPEC_LDDQU): This.
3919 * config/i386/sse.md (sse3_lddqu): Updated.
3921 2006-10-21 Richard Guenther <rguenther@suse.de>
3923 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3924 (expand_builtin): Use it to expand lrint instead of
3925 expand_builtin_mathfn.
3927 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3930 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3931 flag_unsafe_math_optimizations is set.
3933 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3936 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3937 patterns to use memory input operand in x87->mem->XMM
3938 reload sequences. Skip transformation for TARGET_K8.
3940 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3942 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3943 force operand1 to register if both operands are memory operands.
3944 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3945 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3946 if both operands are memory operands.
3947 (truncdfsf2): Do not force operand1 to register if both operands
3948 are memory operands.
3950 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3952 * Makefile.in (LIBS): Add $(GMPLIBS).
3953 * doc/install.texi: Update GMP and MPFR requirements.
3954 * doc/sourcebuild.texi (need_gmp): Delete.
3956 2006-10-21 Richard Guenther <rguenther@suse.de>
3958 PR tree-optimization/3511
3959 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3960 got new invariant arguments during PHI translation.
3962 2006-10-21 Richard Guenther <rguenther@suse.de>
3965 * fold-const.c (fold_comparison): Fold signed comparisons
3966 of the form X +- C1 CMP Y +- C2.
3968 2006-10-21 Richard Guenther <rguenther@suse.de>
3971 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3972 if flag_unsafe_math_optimizations is specified. We have
3973 flag_finite_math_only for that.
3974 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3975 or flag_unsafe_math_optimizations.
3977 2006-10-21 Richard Guenther <rguenther@suse.de>
3979 * builtins.c (fold_builtin_classify): Fix typo.
3981 2006-10-21 Richard Guenther <rguenther@suse.de>
3984 * simplify-rtx.c (simplify_const_relational_operation):
3985 Do not constant-fold ORDERED and UNORDERED for
3986 flag_unsafe_math_optimizations but only we do not need to
3987 honor NaNs for the given mode.
3989 2006-10-21 Richard Guenther <rguenther@suse.de>
3992 * config/i386/i386.c (classify_argument): Remove redundant
3993 walking of the BINFOs.
3994 (contains_128bit_aligned_vector_p): Likewise.
3996 2006-10-20 Mark Mitchell <mark@codesourcery.com>
3998 * BASE-VER: Set to 4.3.0.
4000 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4002 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4003 (tree_decl_with_vis): Remove artificial_pta_var flag.
4004 * tree-flow.h (referenced_var_check_and_insert): Expose.
4005 (nonlocal_all): New prototype.
4006 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4007 (nonlocal_all): Make global.
4008 (nonlocal_lookup): Remove.
4009 (nonlocal_insert): Ditto.
4010 (create_nonlocal_var): Do not call nonlocal_insert.
4011 (get_nonlocal_id_for_type): Remove.
4012 (find_global_initializers): Mark new vars we find for renaming.
4013 (intra_create_variable_infos): Only create one nonlocal.
4014 (expand_nonlocal_solutions): Remove.
4015 (compute_points_to_sets): Don't call it.
4016 (ipa_pta_execute): Ditto.
4017 (init_alias_heapvars): Don't create nonlocal_for_type.
4018 (delete_alias_heapvars): Don't remove it.
4019 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4022 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4024 * doc/install.texi (Downloading GCC): Clarify mention of
4025 Fortran in the "full distribution" description.
4027 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4029 Fix PR tree-optimization/28778
4030 Fix PR tree-optimization/29156
4031 Fix PR tree-optimization/29415
4032 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4033 (tree_decl_with_vis): Add artificial_pta_var flag.
4034 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4035 pushed into callers.
4036 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4037 (nonlocal_all): Ditto.
4038 (struct variable_info): Add directly_dereferenced member.
4039 (var_escaped_vars): New variable.
4040 (escaped_vars_tree): Ditto.
4041 (escaped_vars_id): Ditto.
4042 (nonlocal_vars_id): Ditto.
4043 (new_var_info): Set directly_dereferenced.
4044 (graph_size): New variable
4045 (build_constraint_graph): Use graph_size.
4046 (solve_graph): Don't process constraints that cannot change the
4047 solution, don't try to propagate an empty solution to our
4049 (process_constraint): Set directly_dereferenced.
4050 (could_have_pointers): New function.
4051 (get_constraint_for_component_ref): Don't process STRING_CST.
4052 (nonlocal_lookup): New function.
4053 (nonlocal_insert): Ditto.
4054 (create_nonlocal_var): Ditto.
4055 (get_nonlocal_id_for_type): Ditto.
4056 (get_constraint_for): Allow results vector to be empty in the case
4057 of string constants.
4058 Handle results of calls properly.
4059 (update_alias_info): Update alias info stats on number and type of
4061 (find_func_aliases): Use could_have_pointers.
4062 (make_constraint_from_escaped): Renamed from
4063 make_constraint_to_anything, and changed to make constraints from
4065 (make_constraint_to_escaped): New function.
4066 (find_global_initializers): Ditto.
4067 (create_variable_info_for): Make constraint from escaped to any
4068 global variable, and from any global variable to the set of
4070 (intra_create_variable_infos): Deal with escaped instead of
4071 pointing to anything.
4072 (set_uids_in_ptset): Do type pruning on directly dereferenced
4074 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4075 (init_base_vars): Fix comment, and initialize escaped_vars.
4076 (need_to_solve): Removed.
4077 (find_escape_constraints): New function.
4078 (expand_nonlocal_solutions): Ditto.
4079 (compute_points_to_sets): Call find_escape_constraints and
4080 expand_nonlocal_solutions.
4081 (delete_points_to_sets): Don't fall off the end of the graph.
4082 (init_alias_heapvars): Initialize nonlocal_for_type and
4084 (delete_alias_heapvars): Free nonlocal_for_type and null out
4087 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4089 * fold-const.c (add_double): Rename to add_double_with_sign.
4090 Add 'unsigned_p' parameter and take it into account for the overflow.
4091 (mul_double): Rename to mul_double_with_sign.
4092 Add 'unsigned_p' parameter and take it into account for the overflow.
4093 (fold_div_compare): Call add_double_with_sign instead of add_double
4094 and mul_double_with_sign instead of mul_double, passing them the
4095 unsignedness of the type.
4096 * tree.h (add_double): Macroize.
4097 (add_double_with_sign): New prototype.
4098 (mul_double): Macroize.
4099 (mul_double_with_sign): New prototype.
4101 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4103 * config/score/crti.asm: New file.
4104 * config/score/crtn.asm: New file.
4105 * config/score/elf.h: New file.
4106 * config/score/mac.md: New file.
4107 * config/score/misc.md: New file.
4108 * config/score/mul-div.S: New file.
4109 * config/score/predicates.md: New file.
4110 * config/score/score7.md: New file.
4111 * config/score/score.c: New file.
4112 * config/score/score-conv.h: New file.
4113 * config/score/score.h: New file.
4114 * config/score/score.md: New file.
4115 * config/score/score-mdaux.c: New file.
4116 * config/score/score-mdaux.h: New file.
4117 * config/score/score-modes.def: New file.
4118 * config/score/score.opt: New file.
4119 * config/score/score-protos.h: New file.
4120 * config/score/score-version.h: New file.
4121 * config/score/t-score-elf: New file.
4122 * config.gcc: Add score*-*-* configurations(Update before).
4123 * doc/invoke.texi (Score Options): New section.
4124 * doc/md.texi (Score family): New section to document constraints.
4126 2006-10-19 Nick Clifton <nickc@redhat.com>
4128 * config/arm/arm.c: Fix spelling typo.
4130 2006-10-18 Tom Tromey <tromey@redhat.com>
4132 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4134 2006-10-18 Jan Hubicka <jh@suse.cz>
4137 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4140 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4142 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4143 TSI_SAME_STMT, since that's the desired entity.
4145 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4147 * config/s390/contraints.md: New file.
4148 * config/s390/s390-protos.h (s390_mem_constraint,
4149 s390_O_constraint_str, s390_N_constraint_str,
4150 s390_float_const_zero_p): Function prototypes added.
4151 * config/s390/s390.c (s390_extra_constraint_str,
4152 s390_const_double_ok_for_constraint_p,
4153 s390_const_ok_for_constraint_p): Functions removed.
4154 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4155 s390_float_const_zero_p): New functions.
4156 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4157 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4158 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4159 Macro definitions removed.
4160 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4161 s390_extra_constraint_str): Functions removed.
4163 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4164 Richard Sandiford <richard@codesourcery.com>
4167 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4168 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4170 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4172 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4173 (DWARF2_FRAME_REG_OUT): Likewise.
4174 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4175 (DWARF2_FRAME_REG_OUT): Likewise.
4177 2006-10-17 Paul Brook <paul@codesourcery.com>
4179 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4181 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4183 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4184 Standardize on "GNU Fortran" as the official name of the Fortran
4187 2006-10-16 Mike Stump <mrs@apple.com>
4189 * doc/invoke.texi (Darwin Options): Document -mkernel.
4190 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4192 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4193 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4194 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4195 (OS_MISSING_ALTIVEC): Add.
4196 * config/i386/i386.c (override_options): Add
4197 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4198 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4199 -mkernel, -static or -mdynamic-no-pic is given.
4200 (C_COMMON_OVERRIDE_OPTIONS): Add.
4201 * config/darwin.opt (fapple-kext): Add.
4203 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4204 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4206 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4207 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4208 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4209 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4210 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4211 (flag_mkernel): Add.
4212 (flag_apple_kext): Add.
4213 (TARGET_KEXTABI): Add.
4214 * config/darwin.c (darwin_handle_kext_attribute): Add.
4215 (DARWIN_VTABLE_P): Add.
4216 (darwin_binds_local_p): Add partial support for rebinding vtables
4218 (darwin_kextabi_p): Add.
4219 (darwin_override_options): Add.
4220 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4221 (darwin_kextabi_p): Add.
4222 (darwin_override_options): Add.
4223 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4224 __DYNAMIC__ and __STATIC__ here.
4226 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4228 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4229 Added mention of "make pdf" target, and Texinfo requirements for
4232 2006-10-16 DJ Delorie <dj@redhat.com>
4234 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4235 into the GOT in case we need a subreg of the address.
4237 2006-10-16 Richard Guenther <rguenther@suse.de>
4240 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4241 SSE builtin documentation. Document SSE2 builtins.
4243 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4245 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4246 symbol in the output file for non-shared links when -nostdlib or
4247 -nodefaultlibs isn't specified.
4249 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4250 posix thread support.
4252 2006-10-15 Jan Hubicka <jh@suse.cz>
4255 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4256 declared always_inline even when not inlining.
4258 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4259 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4260 Andrew Pinski <pinskia@gmail.com>
4263 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4265 2006-10-15 Jan Hubicka <jh@suse.cz>
4266 Richard Guenther <rguenther@suse.de>
4269 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4270 process_function_and_variable_attributes on all variables, including
4271 those discovered during cgraph construction phase.
4273 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4275 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4277 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4279 * config/i386/athlon.md (athlon_fist): Add fisttp.
4281 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4282 Ian Lance Taylor <ian@airs.com>
4285 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4286 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4289 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4291 * config/score/score.c, config/score/score.h: Fix comment
4294 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4297 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4300 2006-10-13 Eric Christopher <echristo@apple.com>
4302 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4304 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4307 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4308 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4309 alignment supported by 32-bit ELF.
4311 2006-10-13 Eric Christopher <echristo@apple.com>
4313 * config/darwin.c (darwin_emit_unwind_label): Strip
4314 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4316 2006-10-13 Richard Guenther <rguenther@suse.de>
4318 PR tree-optimization/29446
4319 * tree-vrp.c (fix_equivalence_set): Remove.
4320 (extract_range_from_assert): Do not call fix_equivalence_set.
4321 (debug_value_range): Print a newline.
4322 (compare_name_with_value): For equivalence sets with
4323 inconsistent value ranges conservatively bail out.
4324 (compare_names): Likewise.
4326 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4328 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4329 and MPFR for gfortran.
4331 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4333 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4334 alignment supported by 32-bit ELF.
4336 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4340 * c-typeck.c (digest_init): Always allow initializing vectors
4341 that have static storage duration with compound literals.
4342 * tree.c (build_type_attribute_qual_variant): New, based on
4343 build_type_attribute_variant.
4344 (build_type_attribute_variant): Rewrite using the former.
4345 (make_vector_type): Use build_type_attribute_qual_variant to build
4346 type variants. Use type_hash_canon on the others.
4348 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4349 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4351 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4353 2006-10-12 Jan Hubicka <jh@suse.cz>
4356 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4357 current_function_decl is set but current_function_scope is not.
4359 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4361 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4362 emit_insn to emit eh_return_internal instruction.
4363 (eh_return_internal): Explicitly set pc.
4365 2006-10-11 Richard Guenther <rguenther@suse.de>
4367 PR tree-optimization/28230
4368 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4369 to the correct place.
4371 2006-10-11 Richard Guenther <rguenther@suse.de>
4374 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4377 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4379 * configure.ac: Added pdf to "Make-hooks"
4380 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4381 targets and *.pdf file patterns in cleanup targets.
4382 * configure: Regenerated.
4384 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4386 * config/avr/predicates.md: New file.
4387 * config/avr/avr.md: Include it.
4388 (REG_SP): New constant.
4389 (peepholes): Use predicates.
4390 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4391 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4392 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4394 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4396 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4399 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4402 * builtins.c (var_decl_component_p): New function.
4403 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4404 single entry optimization to variables and components thereof.
4406 2006-10-10 Richard Guenther <rguenther@suse.de>
4408 PR rtl-optimization/29323
4409 * except.c (set_nothrow_function_flags): For functions
4410 that do not bind local bail out early.
4412 2006-10-10 Ben Elliston <bje@au.ibm.com>
4414 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4417 2006-10-09 Richard Henderson <rth@redhat.com>
4419 Revert emutls patch.
4421 2006-10-09 Richard Guenther <rguenther@suse.de>
4424 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4427 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4430 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4431 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4432 * configure: Regenerate.
4433 * config.in: Regenerate.
4435 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4437 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4439 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4441 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4442 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4443 Remove stray newline.
4445 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4447 * config/mips/mips.c (mips_classify_symbol): Do not return
4448 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4449 (mips_in_small_data_p): Tweak comments.
4451 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4453 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4455 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4457 * gimplify.c, sched-int.h: Fix comment typos.
4459 * sched-int.h: Fix comment typos.
4461 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4463 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4465 * sched-ebb.c (begin_schedule_ready): Use them.
4466 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4467 add_to_speculative_block, create_check_block_twin, speculate_insn,
4468 fix_jump_move, move_block_after_check): Ditto.
4469 * sched-rgn.c (new_ready): Ditto.
4471 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4473 PR rtl-optimization/29128
4474 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4475 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4476 allow interblock movement of speculation checks.
4478 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4481 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4482 casted to integer type.
4483 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4484 if they are significantly more expensive than [reg + index] ones.
4486 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4488 PR tree-optimization/29330
4489 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4490 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4491 on newly allocated ddrs.
4492 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4493 to VEC (loop_p, heap) pointer.
4494 (compute_data_dependences_for_loop): Adjust caller.
4495 (free_dependence_relations): Free DDR_LOOP_NEST.
4497 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4498 free DEPENDENCE_RELATIONS and DATAREFS.
4501 * builtins.c (expand_builtin_sync_operation,
4502 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4503 Use convert_to_mode to handle promoted arguments.
4505 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4507 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4509 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4511 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4513 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4515 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4516 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4517 Use <modeconstraint> instead of "r" as operand 1 constraint.
4519 2006-10-06 Olivier Hainque <hainque@adacore.com>
4521 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4522 Don't recurse on the pointed-to type.
4523 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4524 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4525 types with components of variable size.
4527 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4529 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4531 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4533 PR tree-optimization/29290
4534 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4538 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4539 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4542 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4543 the number of vector elements fill the rest with zeros.
4545 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4547 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4548 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4551 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4553 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4554 unnamed pattern into subsi3. Use correct constraints/predicates.
4555 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4556 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4558 2006-10-05 Ira Rosen <irar@il.ibm.com>
4560 * doc/loop.texi: Add data references analysis description.
4562 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4564 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4566 2006-10-04 Richard Henderson <rth@redhat.com>
4567 Jakub Jelinek <jakub@redhat.com>
4569 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4570 * builtin-types.def (BT_WORD): Make unsigned.
4571 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4572 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4573 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4574 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4575 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4576 * cgraph.c (decide_is_variable_needed): Look at force_output.
4577 Recurse for emulated tls.
4578 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4579 checks redundant with decide_is_variable_needed.
4580 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4581 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4583 * expr.c (emutls_var_address): New.
4584 (expand_expr_real_1): Expand emulated tls.
4585 (expand_expr_addr_expr_1): Likewise.
4586 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4587 * output.h (emutls_finish): Declare.
4588 * toplev.c (compile_file): Call it.
4589 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4590 address before wrapping in CONST.
4591 * varasm.c (emutls_htab, emutls_object_type): New.
4592 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4593 (get_emutls_object_name, get_emutls_object_type): New.
4594 (get_emutls_init_templ_addr, emutls_decl): New.
4595 (emutls_common_1, emutls_finish): New.
4596 (assemble_variable): When emulating tls, swap decls; generate
4597 constructor for the emutls objects.
4598 (do_assemble_alias): When emulating tls, swap decl and target name.
4599 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4601 * emutls.c: New file.
4602 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4603 tls_object for real tls.
4605 2006-10-04 Zack Weinberg <zackw@panix.com>
4607 Fix bug in constraint-check generator, reported by Rask Ingemann
4609 * genpreds.c (add_constraint): Don't remove anything from the
4611 (write_tm_constrs_h): Detect whether "op" argument is used, and
4612 mark it ARG_UNUSED if it isn't.
4613 (write_insn_const_int_ok_for_constraint): Skip the part of the
4614 expression that would test whether "op" (which is not available
4615 here) is a CONST_INT.
4617 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4620 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4622 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4624 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4625 current Leopard versions.
4626 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4628 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4630 * doc/install.texi: Fix typos.
4632 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4634 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4635 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4636 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4638 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4640 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4641 arg to be struct mach_header_64* instead.
4643 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4646 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4647 side effects after the outer expression's post side effects.
4649 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4651 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4652 comments to reflect actual behavior and relationship between
4653 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4655 * doc/c-tree.texi (Working with declarations): Fix documentation
4656 of FIELD_DECL likewise.
4658 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4661 * doc/extend.texi: Add used variable attribute description.
4663 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4666 * c.opt (Woverride-init): New.
4667 * c-opts.c (c_common_post_options): Default warn_override_init to
4669 * c-typeck.c (add_pending_init, output_init_element): Warn for
4670 overriding initializers without side effects.
4671 * doc/invoke.texi (-Woverride-init): Document.
4674 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4676 PR rtl-optimization/28096
4677 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4678 assignment has already been used as a destination earlier in the block.
4680 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4682 * builtins.c (expand_builtin_setjmp): Delete.
4683 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4684 <BUILT_IN_SETJMP_SETUP>: New case.
4685 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4686 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4687 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4688 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4689 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4690 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4691 (lower_function_body): Initialize it to false. If it is set to true
4692 at the end of the processing, emit the setjmp dispatcher.
4693 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4694 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4695 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4696 on the rhs of the assignment.
4697 (lower_builtin_setjmp): New function.
4698 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4699 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4700 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4701 to detect calls that can go to non-local labels. Use specific
4702 helper to create the abnormal edges associated with them.
4703 <MODIFY_EXPR>: Likewise.
4704 (make_abnormal_goto_edges): New function extracted from...
4705 (make_goto_expr_edges): ...here. Call it for computed gotos.
4706 (simple_goto_p): Minor tweak.
4707 (tree_can_make_abnormal_goto): New predicate.
4708 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4709 (tree_purge_dead_abnormal_call_edges): New function.
4710 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4711 (tree_purge_dead_abnormal_call_edges): Likewise.
4712 (make_abnormal_goto_edges): Likewise.
4713 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4714 Purge all dead abnormal edges if the call was in the last statement.
4715 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4716 (execute_fixup_cfg): If there are non-local labels in the function,
4717 scan the basic blocks and split them at calls that can go to non-local
4718 labels or add missing abnormal call edges. Write down the CFG in the
4720 (pass_fixup_cfg): Remove TODO_dump_func flag.
4721 * unwind-sjlj.c: Poison setjmp.
4722 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4723 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4724 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4725 (DONT_USE_BUILTIN_SETJMP): Document it.
4727 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4730 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4731 to 1 when __ppc64__ is defined.
4732 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4734 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4736 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4738 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4739 * config/ia64/unwind-hpux.c: Delete.
4741 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4743 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4744 on the element before gimplifying it, instead of punting if it is of
4747 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4749 * doc/loop.texi: New file.
4750 * doc/gccint.texi: Reference loop.texi.
4751 * Makefile.in (loop.texi): Add.
4753 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4755 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4757 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4758 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4760 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4762 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4764 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4766 * doc/install.texi: Document required versions of GMP and MPFR.
4768 2006-09-27 Paul Brook <paul@codesourcery.com>
4771 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4773 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4775 * reload1.c (alter_reg): Require the alignment of the stack slot to
4776 be at least reg_max_ref_width bytes.
4777 (scan_paradoxical_subregs): Record the largest width in
4780 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4784 * tree-nested.c (struct nesting_info): Added static_chain_added.
4785 (convert_call_expr): Set static_chain_added when adding static
4786 chain. Handle OMP_PARALLEL and OMP_SECTION.
4788 2006-09-25 Matthias Klose <doko@debian.org>
4790 * doc/invoke.texi: Add missing full stop.
4792 2006-09-25 Richard Henderson <rth@redhat.com>
4794 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4795 before cgraph_function_flags_ready.
4797 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4798 Adam Nemet <anemet@caviumnetworks.com>
4800 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4801 determine_common_wider_type): New functions.
4802 (get_computation_aff): Use them to simplify arithmetic between
4803 UBASE and CBASE if they are shortened from the same type.
4805 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4808 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4809 -2147483647 - 1 instead of 0x80000000.
4811 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4813 * flags.h (HONOR_NANS): Fix typo in comment.
4815 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4817 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4819 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4823 * tree.c (merge_attributes, attribute_list_contained): If both
4824 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4826 * c-typeck.c (comptypes_internal): Don't consider aggregates
4827 in different TUs as compatible if there one set of attributes is
4828 not a subset of the other type's attributes.
4829 (composite_type): Try harder not to create a new aggregate type.
4831 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4833 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4834 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4835 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4836 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4837 than replicating condition above.
4838 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4840 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4841 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4842 the linker by default.
4844 2006-09-22 Mike Stump <mrs@apple.com>
4846 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4849 2006-09-22 Richard Guenther <rguenther@suse.de>
4852 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4853 sort of stack variables stable.
4855 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4858 * explow.c (force_reg): Set REG_POINTER flag according to
4861 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4863 PR tree-optimization/28888
4864 * tree-if-conv.c (combine_blocks): Rewritten.
4865 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4866 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4868 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4870 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4873 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4875 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4877 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4879 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4881 2006-09-21 Roger Sayle <roger@eyesopen.com>
4884 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4885 dw_fde_current_label, to be the start of the function, i.e. the same
4886 value as dw_fde_begin.
4888 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4890 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4891 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4892 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4893 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4894 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4895 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4896 (abs<mode>2, neg<mode>2): Likewise.
4897 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4898 (*mips_abs_ps): New define_insn.
4900 2006-09-20 Josh Conner <jconner@apple.com>
4903 * calls.c (expand_call): Allow reuse of structure return stack
4906 2006-09-20 Paul Brook <paul@codesourcery.com>
4908 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4911 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4913 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4914 clean up terminology.
4916 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4919 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4920 with tablejumps in them.
4922 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4925 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4926 wrap it into TARGET_EXPR.
4928 2006-09-20 Eric Christopher <echristo@apple.com>
4930 * config/i386/i386.c (x86_fisttp): Remove.
4931 * config/i386/i386.h (x86_fisttp): Ditto.
4932 (TARGET_FISTTP): Ditto.
4934 2006-09-19 Eric Christopher <echristo@apple.com>
4936 * doc/tm.texi (OBJC_JBLEN): Describe.
4937 * config/i386/darwin.h (OBJC_JBLEN): Define.
4938 * config/rs6000/darwin.h: Ditto.
4940 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4942 PR rtl-optimization/21299
4943 * reload1.c (reload): Purge invalid ASMs in the final pass.
4945 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4948 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4949 pointers as legitimate constants.
4951 2006-09-19 Paul Brook <paul@codesourcery.com>
4954 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4956 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4958 PR tree-optimization/28887
4959 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4960 component parts from the reference.
4961 (gather_memory_references_ref): Record the reference without the
4962 nonaddressable component parts.
4964 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4967 * c-opts.c (c_common_handle_option): Ignore the -std options
4968 if the input language is assembly.
4970 2006-09-17 Ira Rosen <irar@il.ibm.com>
4973 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4975 (ptr_ptr_may_alias_p): Likewise.
4976 (record_record_differ_p): New function.
4977 (base_object_differ_p): Call record_record_differ_p.
4979 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4982 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4983 away for the expr argument.
4985 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
4988 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
4989 before using it for dumping after vectorizing loops.
4991 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4992 Jack Howarth <howarth@bromo.med.uc.edu>
4995 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
4996 skip on error_mark_node.
4997 (rs6000_darwin64_record_arg_recurse): Likewise.
4999 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5001 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5002 * doc/rtl.texi: Remove related documentation.
5004 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5006 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5009 2006-09-15 Jim Wilson <wilson@specifix.com>
5011 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5012 Handle symbol offsets same as they are handled in ia64_expand_move
5015 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5017 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5018 Add forgotten parameter to the fprintf call.
5020 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5022 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5024 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5026 * doc/contrib.texi: Add my entry.
5028 2006-09-15 Nick Clifton <nickc@redhat.com>
5030 * doc/md.texi (Processor pipeline description): Fix typo in
5031 example of how to use the absence_set directive and reword the
5032 description to make it slightly easier to read.
5034 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5036 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5037 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5038 expanding the number of iterations.
5039 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5041 * cfgrtl.c (emit_insn_at_entry): New function.
5042 * rtl.h (emit_insn_at_entry): Declare it.
5043 * integrate.c (emit_initial_value_sets): Use it.
5045 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5047 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5049 (struct loop_work and related VEC declarations): Delete.
5050 (bfin_dump_loops): Print out new member bad.
5051 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5052 (bfin_scan_loop): Don't recurse.
5053 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5054 loops. No longer need to update outer loops if the current one is
5055 found bad. Move some validitiy checks to bfin_discover_loop.
5056 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5057 but changed not to check for nesting. Also changed to use the new bad
5059 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5060 time. Use bitmap based test to discover loop nesting.
5062 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5064 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5067 2006-09-14 Richard Guenther <rguenther@suse.de>
5068 Kazu Hirata <kazu@codesourcery.com>
5070 PR middle-end/28884.
5071 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5072 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5073 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5074 with TARGET_FUNCTION_VALUE.
5076 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5079 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5081 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5083 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5086 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5089 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5092 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5094 * basic_block.h (bb_has_eh_pred): Fix comment.
5096 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5098 * flow.c (calculate_global_regs_live): Invalidate eh registers
5099 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5100 (propagate_block): Handle eh registers as if they were set at basic
5102 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5104 * global.c (global_conflicts): Make eh registers to conflict with
5105 pseudos live at basic block begin.
5106 * basic_block.h (bb_has_eh_pred): New function.
5108 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5110 PR rtl-optimization/28982
5111 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5112 index of a PRE_MODIFY or POST_MODIFY address.
5113 * reload1.c (inc_for_reload): Use find_replacement on the original
5114 base and index registers.
5116 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5118 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5119 for -Os. Update __m128 alignment requirement.
5121 2006-09-13 Jan Hubicka <jh@suse.cz>
5123 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5125 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5127 PR rtl-optimization/28243
5128 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5129 the insn to which the note was originally attached.
5131 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5132 Roger Sayle <roger@eyesopen.com>
5134 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5135 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5136 on platforms that don't use dwarf for debug info.
5138 2006-09-12 Jason Merrill <jason@redhat.com>
5141 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5142 hard_frame_pointer_rtx after using it to update the frame pointer.
5144 2006-09-12 Roger Sayle <roger@eyesopen.com>
5146 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5147 (TARGET_ASM_CLOSE_PAREN): Likewise.
5148 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5149 (TARGET_ASM_CLOSE_PAREN): Likewise.
5151 2006-09-12 Roger Sayle <roger@eyesopen.com>
5154 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5155 frame information for frames larger than 512 Kbytes on Tru64 when
5156 using the native assembler.
5158 2006-09-12 Roger Sayle <roger@eyesopen.com>
5162 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5163 and symbols. Instead use the implementation from cse.c's hash_rtx.
5165 2006-09-12 Jan Hubicka <jh@suse.cz>
5167 PR rtl-optimization/28071
5168 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5169 (vect_transform_loop): Likewise.
5170 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5171 (new_loop_vec_info): Likewise.
5172 (destroy_loop_vec_info): Likewise.
5173 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5174 (create_stmt_ann): Likewise.
5175 (create_tree_ann): Rename to ...
5176 (create_tree_common_ann): ... this one; allocate only the common part
5178 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5179 (get_value_handle): Likewise.
5180 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5181 get_tree_common_ann.
5182 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5183 (vinfo_for_stmt): Use stmt annotations.
5184 * tree-flow.h (tree_ann_common_t): New type.
5185 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5186 (tree_ann, get_tree_ann, create_tree_ann): New.
5187 * tree-flow-inline.h (get_function_ann): Do more type checking.
5188 (stmt_ann): Likewise.
5189 (tree_ann): Rename to ...
5190 (tree_common_ann): ... this one; return ony common_ann
5191 (get_tree_ann): Rename to ...
5192 (tree_common_ann): This one; return only common_ann.
5193 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5196 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5198 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5199 with_cpu by default.
5201 * dwarf2out.c (dwarf_file_data): New.
5202 (enum dw_val_class): Add dw_val_class_file.
5203 (struct dw_val_struct): Add val_file.
5204 (file_table): Change to a hash table.
5205 (file_table_emitted): Delete.
5206 (file_table_last_lookup_index): Delete.
5207 (emitcount): Delete.
5208 (last_emitted_file): New.
5209 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5210 (init_file_table): Delete.
5211 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5212 (AT_addr): Add comment.
5216 (print_die): Handle dw_val_class_file.
5217 (print_dwarf_line_table): Update for new file table structure.
5218 (attr_checksum): Do checksum a filename.
5219 (same_dw_val_p, same_attr_p): Do compare a filename.
5220 (size_of_die): Handle dw_val_class_file.
5221 (value_format): Likewise.
5222 (output_die): Likewise. Also, call maybe_emit_file here.
5223 (struct file_info): Constify filenames. Make file_idx a pointer
5224 to a struct dwarf_file_data.
5225 (struct dir_info): Constify directory names. Remove 'used' field.
5226 (struct file_name_acquire_data): New.
5227 (file_name_acquire): New.
5228 (output_file_names): Modify to handle new file data structures.
5229 (add_src_coords_attributes): Use add_AT_file.
5230 (add_call_src_coords_attributes): Likewise.
5231 (dwarf2out_imported_module_or_decl): Likewise.
5232 (gen_subprogram_die): Modify for new file data structures.
5233 (gen_variable_die): Likewise.
5234 (file_table_eq): New.
5235 (file_table_hash): New.
5236 (file_table_last_lookup): New.
5237 (lookup_filename): Rewrite to handle new file data structures.
5238 (maybe_emit_file): Rewrite to handle new file data structures.
5239 (dwarf2out_source_line): Always call lookup_filename and
5241 (dwarf2out_init): Create file_table here.
5242 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5243 (file_table_relative_p): New.
5244 (dwarf2out_finish): Change detection of relative filenames
5245 to work with new file data structures. Move output_line_info call
5246 after debug_info output.
5248 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5253 * config/i386/i386.c (override_options): Always default to 16
5254 byte stack boundary.
5256 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5259 * var-tracking.c (dump_dataflow_set): Start dumping at
5261 (clobber_variable_part): Kill only the variable part in
5262 registers holding it, leaving other variables alone.
5264 2006-09-11 Josh Triplett <josh@freedesktop.org>
5266 * doc/extend.texi (Other Builtins): Actually use the macro
5267 argument in the documentation example for
5268 __builtin_types_compatible_p.
5270 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5272 PR rtl-optimization/28726
5273 * sched-deps.c (sched_analyze_reg): New function extracted from...
5274 (sched_analyze_1): ...here. Call it to analyze references to
5275 registers. Treat again writes to a stack register as writing to the
5277 (sched_analyze_2): ...and here. Call it to analyze references to
5278 registers. Treat again reads of a stack register as reading the
5281 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5282 David Edelsohn <edelsohn@gnu.org>
5285 * config/rs6000/spe.md (frob_df_di): Remove %H.
5286 (frob_di_df): Remove %H. Change evmergelo to mr.
5287 (frob_di_df_2): Remove %H. Change evldd to two loads.
5289 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5291 * doc/cpp.texi: Fix names of charset options.
5293 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5296 * config/i386/i386.c (override_options): Use 128-bit
5297 stack boundary always for 64bits.
5299 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5301 PR rtl-optimization/28636
5302 * combine.c (force_to_mode): Test for side-effects before
5303 substituting by zero.
5304 (simplify_shift_const): Likewise for zero or other constants.
5306 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5309 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5312 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5315 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5316 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5317 returned by mode_for_size, rather than the mode of src itself,
5318 to choose between 32-bit and 64-bit patterns.
5319 (mips_mem_fits_mode_p): New function.
5320 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5321 that the size of the source matches the size of the destination.
5322 (mov_<store>l, mov_<store>r): Likewise.
5324 2006-09-10 Eric Christopher <echristo@apple.com>
5326 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5329 2006-09-09 Eric Christopher <echristo@apple.com>
5332 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5335 2006-09-09 Roger Sayle <roger@eyesopen.com>
5336 Nicolas Setton <setton@adacore.com>
5338 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5340 2006-09-10 Andreas Schwab <schwab@suse.de>
5342 * config/m68k/m68k.md (bungt_rev): New pattern.
5344 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5345 Dale Johannesen <dalej@apple.com>
5348 * regclass.c (struct reg_pref): Update documentation.
5349 (regclass): Set prefclass to NO_REGS if memory is the best option.
5350 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5352 2006-09-08 Eric Christopher <echristo@apple.com>
5354 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5355 * config/t-slibgcc-darwin: Support x86_64 multilib.
5356 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5357 Return 1 for x86_64-darwin.
5358 * config/i386/t-darwin: Add m64 multilib.
5359 (LIB2_SIDITI_CONV_FUNCS): Use.
5360 (LIB2FUNCS_EXTRA): Ditto.
5361 * config/i386/darwin.h: Support x86_64.
5362 * config/i386/i386.c (override_options): Turn on flag_pic
5363 for x86_64-darwin. Disable flag_omit_pointer.
5364 (get_pc_thunk_name): Assert !TARGET_64BIT.
5365 (legitimate_address_p): Disable machopic addressing for
5367 (legitimize_pic_address): Ditto.
5368 (ix86_expand_move): Ditto.
5369 (ix86_expand_call): Ditto.
5370 (machopic_output_stub): Ditto.
5371 * config/darwin.c (machopic_select_section): Support literal16.
5372 (machopic_select_rtx_section): Ditto.
5373 * config/darwin-sections.def: Ditto.
5374 * config/darwin-64.c: New.
5376 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5379 * c-tree.h (struct c_arg_info): Add pending_sizes.
5380 * c-parser.c (c_parser_parms_declarator,
5381 c_parser_parms_list_declarator): Initialize pending_sizes.
5382 * c-decl.c (get_parm_info): Initialize pending_sizes.
5383 (get_parm_info): Set pending_sizes.
5384 (grokdeclarator): Call put_pending_sizes for parameters for
5385 function definition only.
5387 2006-09-07 Jason Merrill <jason@redhat.com>
5390 * varasm.c (output_constant): Only strip actual no-op conversions.
5393 * config/i386/i386.c (override_options): Use 128-bit
5394 stack boundary if -msse.
5396 2006-09-07 Eric Christopher <echristo@apple.com>
5398 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5400 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5403 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5405 * dwarf2out.c: Remove strange characters from comment above
5406 dwarf2out_frame_debug_expr.
5408 2006-09-07 Eric Christopher <echristo@apple.com>
5410 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5411 * config/darwin.h: ... to here.
5413 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5415 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5417 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5418 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5420 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5421 TARGET_PARTIAL_FLAG_REG_STALL.
5422 (*ashldi3_cconly_rex64): Likewise.
5423 (*ashlsi3_cmp): Likewise.
5424 (*ashlsi3_cconly): Likewise.
5425 (*ashlsi3_cmp_zext): Likewise.
5426 (*ashlhi3_cmp): Likewise.
5427 (*ashlhi3_cconly): Likewise.
5428 (*ashlqi3_cmp): Likewise.
5429 (*ashlqi3_cconly): Likewise.
5430 (*ashrdi3_cmp_rex64): Likewise.
5431 (*ashrdi3_cconly_rex64): Likewise.
5432 (*ashrsi3_cmp): Likewise.
5433 (*ashrsi3_cconly): Likewise.
5434 (*ashrsi3_cmp_zext): Likewise.
5435 (*ashrhi3_cmp): Likewise.
5436 (*ashrhi3_cconly): Likewise.
5437 (*ashrqi3_cmp): Likewise.
5438 (*ashrqi3_cconly): Likewise.
5439 (*lshrdi3_cmp_rex64): Likewise.
5440 (*lshrdi3_cconly_rex64): Likewise.
5441 (*lshrsi3_cmp): Likewise.
5442 (*lshrsi3_cconly): Likewise.
5443 (*lshrsi3_cmp_zext): Likewise.
5444 (*lshrhi3_cmp): Likewise.
5445 (*lshrhi3_cconly): Likewise.
5446 (*lshrqi2_cmp): Likewise.
5447 (*lshrqi2_cconly): Likewise.
5449 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5452 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5453 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5454 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5455 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5456 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5457 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5458 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5459 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5460 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5461 implement only CC setting effects of shift instructions.
5463 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5465 * doc/contrib.texi: Add myself.
5467 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5470 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5471 was set by the user.
5473 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5476 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5477 (divsi_inv_m1): Use them.
5478 (UNSPEC_DIV_INV_TABLE): New constant.
5480 2006-09-06 James E Wilson <wilson@specifix.com>
5483 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5484 then call count_or_remove_death_notes.
5486 2006-09-06 Jason Merrill <jason@redhat.com>
5489 * tree-inline.c (copy_result_decl_to_var): New fn.
5490 (declare_return_variable): Use it. Call declare_inline_vars here.
5491 (expand_call_inline): Not here.
5493 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5495 * doc/contrib.texi: Update my entry.
5497 2006-09-06 Nick Clifton <nickc@redhat.com>
5499 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5501 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5504 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5505 (canonicalize_induction_variables): Likewise.
5506 (tree_unroll_loops_completely): Likewise.
5507 (tree_ssa_prefetch_arrays): Likewise.
5508 (remove_empty_loops): Likewise.
5509 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5510 TODO_cleanup_cfg instead of directly calling
5511 cleanup_tree_cfg_loop.
5512 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5514 (tree_unroll_loops_completely): Likewise.
5515 (remove_empty_loops): Likewise.
5516 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5517 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5518 of tree_ssa_unswitch_loops.
5519 (tree_ssa_loop_ivcanon): Use the return value of
5520 canonicalize_induction_variables.
5521 (tree_ssa_empty_loop): Use the return value of
5523 (tree_complete_unroll): Use the return value of
5524 tree_unroll_loops_completely.
5525 (tree_ssa_loop_prefetch): Use the return value of
5526 tree_ssa_prefetch_arrays.
5527 * passes.c (execute_todo): Before Cleanup CFG, set
5528 updating_used_alone and after cleanup CFG, call
5529 recalculate_used_alone.
5531 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5534 * tree-vect-transform.c (vectorizable_condition): Move the check
5535 for the type after the check for simple condition.
5537 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5538 Kaz Kojima <kkojima@gcc.gnu.org>
5541 * mode-switching.c (optimize_mode_switching): Make the destination
5542 block of an abnormal edge have no anticipatable mode. Don't
5543 insert mode switching code at the end of the source block of
5546 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5548 PR rtl-optimization/26847
5549 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5550 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5551 (simplify_plus_minus): Count n_constants while filling ops. Replace
5552 qsort with insertion sort. Before going through the array to simplify
5553 pairs, sort it. Delay early exit until after the first sort, exiting
5554 only if no swaps occurred. Simplify pairs in reversed order, without
5555 special-casing the first iteration. Pack ops after simplifying pairs.
5557 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5559 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5560 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5561 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5562 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5564 2006-09-05 Richard Guenther <rguenther@suse.de>
5566 PR tree-optimization/28900
5567 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5568 compound conditional before creating COND_EXPR condition.
5570 2006-09-05 Richard Guenther <rguenther@suse.de>
5572 PR tree-optimization/28905
5573 * tree-vrp.c (fix_equivalence_set): Manually implement
5574 !value_ranges_intersect_p to also handle symbolic ranges.
5576 2006-09-05 Richard Guenther <rguenther@suse.de>
5579 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5582 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5584 PR rtl-optimization/27616
5585 * cse.c (table_size): New static variable.
5586 (new_basic_block): Initialize it to 0.
5587 (remove_from_table): Decrement it.
5588 (insert): Increment it.
5589 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5590 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5591 fold_rtx_mem_1 if under the cap.
5592 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5593 the lookup of the equivalent expression and test for equality of the
5594 first operand of the equivalent expression before in turn looking up
5595 an equivalent constant for the second operand.
5597 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5600 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5601 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5602 pointer, instead of assuming it is possible to derive the
5603 correct args size from a call insn.
5605 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5608 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5609 (fold_builtin_mempcpy): Rename to...
5610 (fold_builtin_memory_op): ... this. Optimize one element copy
5612 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5614 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5615 (expand_builtin_memcpy, expand_builtin_mempcpy,
5616 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5617 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5618 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5619 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5621 2006-09-01 DJ Delorie <dj@redhat.com>
5623 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5624 (stzx_16): Likewise.
5625 ("stzx_24_<mode>"): Likewise.
5626 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5627 ("cmp<mode>_op"): New.
5628 (cmp<mode>): Change to expander; just save operands.
5630 (b<code>): Change to expander, emit compare here.
5631 (s<code>_op): Change to use split and expander.
5632 (s<code>_24_op): Likewise.
5633 (s<code>_<mode>): New.
5634 (s<code>_<mode>_24): New.
5635 (movqicc_<code>_<mode): New.
5636 (movhicc_<code>_<mode>): New.
5639 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5640 (m32c_pend_compare): New.
5641 (m32c_unpend_compare): New.
5642 (m32c_expand_scc): New.
5643 (m32c_expand_movcc): Emit the compare also.
5644 * config/m32c/predicates.md (mra_nopp_operand): New.
5646 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5647 Richard Guenther <rguenther@suse.de>
5648 Adam Nemet <anemet@caviumnetworks.com>
5651 * builtins.c (get_pointer_alignment): Handle more forms
5652 of base addresses that can be used to derive more precise
5653 information about alignment.
5655 2006-09-01 Jason Merrill <jason@redhat.com>
5658 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5661 * gimplify.c (voidify_wrapper_expr): Handle null type.
5663 2006-09-01 Josh Conner <jconner@apple.com>
5666 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5667 (execute_return_slot_opt): Use it.
5669 2006-08-31 Josh Conner <jconner@apple.com>
5672 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5673 returning aggregates.
5675 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5677 PR tree-optimization/28839
5678 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5679 blocks in that phi arguments appear.
5681 2006-08-31 Roger Sayle <roger@eyesopen.com>
5684 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5685 NULL, otherwise use an advance_loc4 to adjust relative to the
5687 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5688 (dwarf2out_switch_text_section): Reset the current label to avoid
5689 using advance_loc4 over section boundaries.
5691 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5694 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5695 r12 + SYMBOLIC_CONST.
5697 2006-08-30 Richard Guenther <rguenther@suse.de>
5699 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5701 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5703 PR rtl-optimization/27735
5704 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5705 Add new argument to keep track of whether an irreducible region
5706 was affected. All callers changed.
5707 (fix_irreducible_loops): Removed.
5708 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5709 flags were invalidated.
5711 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5713 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5714 instead of SF operands.
5715 (*fop_df_comm_sse): Likewise.
5716 (*fop_df_comm_i387): Likewise.
5717 (*fop_df_1_mixed): Likewise.
5718 (*fop_df_1_sse): Likewise.
5720 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5721 J"orn Rennecke <joern.rennecke@st.com>
5723 PR tree-optimization/17506
5724 * tree-ssa.c (warn_uninit): If warning about a location outside of
5725 the current function, note where the variable was declared.
5727 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5729 PR tree-optimization/28411
5730 * double-int.c (double_int_div): Use double_int_divmod.
5731 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5732 double_int_mod, double_int_smod, double_int_umod): New functions.
5733 * double-int.h (double_int_divmod, double_int_sdivmod,
5734 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5736 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5738 (get_computation_aff, get_computation_cost_at): Handle double_int
5739 return type of constant_multiple_of.
5741 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5744 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5745 an implicit conversion.
5747 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5749 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5751 2006-08-27 Roger Sayle <roger@eyesopen.com>
5753 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5756 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5758 * config/i386/crtfastmath.c: Fix a comment typo.
5760 2006-08-26 Roger Sayle <roger@eyesopen.com>
5762 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5763 temporary visit flags on CASE_LABEL_EXPRs.
5764 * c-common.c (match_case_to_enum): Add function comment. Avoid
5765 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5766 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5767 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5768 a constant, only warn if that constant value isn't handled.
5770 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5773 * input.h (restore_input_file_stack): Declare.
5774 (INPUT_FILE_STACK_BITS): Define.
5775 * toplev.c (fs_p, input_file_stack_history,
5776 input_file_stack_restored, restore_input_file_stack): New.
5777 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5778 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5779 (pop_srcloc): Don't free old state of stack.
5781 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5784 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5785 (PowerPC Type Attributes): New.
5787 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5789 * config/xtensa/xtensa.c (function_arg_boundary): New.
5790 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5792 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5793 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5795 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5798 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5801 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5803 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5804 (verify_local_live_at_start): Likewise.
5806 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5809 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5810 omp_add_variable): Treat sizes as variable whenever not
5813 2006-08-26 Richard Guenther <rguenther@suse.de>
5816 * fold-const.c (fold_binary): Fold temporary to correct
5817 type before constructing new comparison.
5819 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5822 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5823 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5825 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5828 * c-decl.c (start_function): Don't try to process prototype
5829 information from old declaration that isn't a function.
5831 2006-08-25 Jan Hubicka <jh@suse.cz>
5834 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5836 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5839 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5842 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5844 PR tree-optimization/16876
5845 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5846 exit if PARM doesn't match VALUE.
5848 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5850 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5851 literal_prefix directive.
5852 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5853 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5854 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5856 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5859 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5860 predicate to general_operand. Add 0->y and I->r alternatives.
5862 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5864 * doc/tm.texi: Fix a typo.
5865 * predict.c: Fix comment typos.
5867 2006-08-25 Nick Clifton <nickc@redhat.com>
5869 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5870 assertions of "cpu" and "machine".
5872 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5875 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5876 the access through a base which has an alias set of 0 cannot
5879 2006-08-24 Bill Wendling <wendling@apple.com>
5881 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5883 2006-08-24 Jan Hubicka <jh@suse.cz>
5885 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5887 2006-08-24 Jan Hubicka <jh@suse.cz>
5890 * cgraph.c: Fix comments.
5891 (cgraph_varpool_mark_needed_node): Mark only variables not already
5893 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5894 (cgraph_varpool_assembled_nodes_queue): New static variable.
5895 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5896 (cgraph_varpool_output_debug_info): New function.
5897 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5898 * Makefile.in: Add gt-cgraphunit.h
5900 2006-08-24 Jan Hubicka <jh@suse.cz>
5902 * predict.c (probability_reliable_p): New predicate.
5903 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5904 (predict_loops): Do not predict loop exit with less than 2%
5906 * basic-block.h (edge_probability_reliable_p,
5907 br_prob_note_reliable_p): Declare.
5908 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5909 prediction when static predictor is not reliable.
5910 * rs6000.c (output_cbranch): Likewise.
5912 2006-08-23 Stuart Hastings <stuart@apple.com>
5915 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5916 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5918 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5921 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5922 complex values, nor for generic vector values.
5924 2006-08-22 Richard Guenther <rguenther@suse.de>
5927 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5928 parameter. Convert arguments to arithmetic expression to the
5930 (analyze_scalar_evolution_1): Adjust caller.
5932 2006-08-22 Jan Hubicka <jh@suse.cz>
5934 Patch by Paolo Bonzini
5935 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5938 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5940 PR tree-optimization/28003
5941 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5942 before grouping aliases.
5944 2006-08-22 Roger Sayle <roger@eyesopen.com>
5946 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5947 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5949 2006-08-21 Jason Merrill <jason@redhat.com>
5952 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5953 wrapper. Loop to handle nested wrappers.
5954 (gimplify_bind_expr): Remove temp parameter.
5955 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5956 and STATEMENT_LIST on the rhs.
5957 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5958 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5959 (gimplify_target_expr): Remove special BIND_EXPR handling.
5961 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5963 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5966 2006-08-21 Olivier Hainque <hainque@adacore.com>
5968 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5969 Arrange for the temporary captures of components overlapping the lhs
5970 to happen before the lhs is possibly cleared.
5972 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5974 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5975 necessary places to pass the correct "number of registers" values
5978 2006-08-20 Jan Hubicka <jh@suse.cz>
5980 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5981 (create_name_tags): Instead of quadratic checking use hashtable.
5982 * bitmap.h: Include hashtab.h.
5983 (bitmap_hash): Declare.
5984 * bitmap.c (bitmap_hash): New function.
5986 2006-08-20 Jan Hubicka <jh@suse.cz>
5988 PR rtl-optimization/28071
5989 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
5991 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
5992 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
5993 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
5994 cgraph_decide_inlining_incrementally): Update use of
5995 cgraph_check_inline_limits.
5996 * cgraph.c (edge_hash, edge_eq): New function.
5997 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
5998 cgraph_edge_remove_caller, cgraph_node_remove_callees,
5999 cgraph_remove_node): Maintain call site hash.
6000 * cgraph.h (struct cgraph_node): Add call_site_hash.
6001 (cgraph_set_call_stmt): New function.
6003 2006-08-20 Jan Hubicka <jh@suse.cz>
6005 PR rtl-optimization/28071
6006 * reload1.c (reg_has_output_reload): Turn into regset.
6007 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6008 choose_reload_regs, emit_reload_insns): Update to new
6009 reg_has_output_reload.
6011 2006-08-20 Jan Hubicka <jh@suse.cz>
6014 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6015 function body sizes.
6016 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6018 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6021 * tree.c (handle_dll_attribute): Return early if not a
6022 var or function decl.
6024 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6027 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6028 alignment of SPE vector types.
6030 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6032 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6034 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6037 * cgraph.h (struct cgraph_node): Remove externally_visible
6039 * cgraphunit.c (process_function_and_variable_attributes): Set
6040 local.externally_visible rather than externally_visible.
6043 * c-common.c (handle_externally_visible_attribute): First look
6044 at TREE_CODE and only if it is function or var decl, check for
6045 non-public objects. Don't warn for DECL_EXTERNAL.
6046 * cgraphunit.c (process_function_and_variable_attributes): Warn
6047 if externally_visible attribute is used on non-public object.
6049 2006-08-17 Jan Hubicka <jh@suse.cz>
6051 PR tree-optimization/27865
6052 * reload1.c (forget_marked_reloads): New function.
6053 (forget_old_reloads_1): When data are passed, just mark the registers
6055 (reload_as_needed): Use the new mechanizm.
6057 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6060 * reload.h (reg_equiv_alt_mem_list): New declaration.
6061 * reload1.c (reg_equiv_alt_mem_list): New definition.
6062 (reload): Initialize it and release it.
6063 (delete_output_reload): Use it.
6064 * reload.c (push_reg_equiv_alt_mem): New function.
6065 (find_reloads_toplev): Call it.
6066 (find_reloads_address, find_reloads_address_1): Likewise.
6067 (find_reloads_subreg_address): Likewise.
6069 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6071 PR rtl-optimization/28489
6072 * sched-ebb.c (begin_schedule_ready): Create basic block
6074 (advance_target_bb): Skip empty blocks.
6075 * haifa-sched.c (bb_note): Make global.
6076 * sched-int.h (bb_note): Add prototype.
6078 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6080 PR tree-optimization/27865
6081 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6083 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6084 fold_used_pointer, pointer_used_p): New functions.
6085 (analyze_scalar_evolution_1): Use fold_used_pointer.
6086 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6087 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6090 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6093 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6094 or the INTEGER_CST. Fail on a CALL_EXPR.
6095 (fold_offsetof): Pass new argument to fold_offsetof_1.
6096 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6097 operand into an INDIRECT_REF.
6098 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6100 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6102 PR gcov/profile/26570
6103 * value-prof.c (static_values): Removed.
6104 (tree_find_values_to_profile): Do not set static_values.
6105 (find_values_to_profile): Do not free static_values.
6106 * profile.c (instrument_values): Do not free the values.
6107 (branch_prob): Free the values.
6109 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6111 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6113 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6116 * c-typeck.c (build_component_ref): Combine qualifiers of
6117 structure or union and field.
6119 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6121 PR rtl-optimization/28071
6122 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6123 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6124 * tree-into-ssa.c (struct dom_dfsnum): New.
6125 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6127 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6128 compute_global_livein.
6129 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6130 in phi nodes in the correct blocks.
6132 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6134 PR tree-optimization/28364
6135 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6137 (fold_affine_expr): New function.
6138 (may_eliminate_iv): Use fold_affine_expr.
6140 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6143 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6146 2006-08-16 Mike Stump <mrs@apple.com>
6148 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6149 * doc/cppopts.texi (-MD): Likewise.
6151 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6154 * c-common.c (handle_weak_attribute): Ignore and warn if
6155 not a FUNCTION_ or VAR_DECL.
6157 2006-07-15 Mike Stump <mrs@apple.com>
6160 * c-parser.c (c_parser_typeof_specifier): Don't use
6161 c_finish_expr_stmt, open code desired semantics instead.
6163 2006-08-15 Nick Clifton <nickc@redhat.com>
6165 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6166 fragment to tmake_file only if threads are enabled.
6167 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6168 * config/i386/t-gthr-win32: New file. ... here.
6170 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6173 * c-parser.c (c_parser_compound_statement_nostart): Reset
6174 parser->error after each statement.
6176 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6179 * omp-low.c (lower_omp_parallel): Convert t to
6180 receiver_decl's type.
6181 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6182 source before comparison.
6185 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6186 to itype in assignment to oldival2.
6188 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6192 * c-typeck.c (build_compound_expr): If the second expression
6193 is an error mark, then just return an error mark instead of
6194 creating a COMPOUND_EXPR.
6196 2006-07-14 Mike Stump <mrs@apple.com>
6198 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6200 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6202 * c-decl.c, var-tracking.c: Fix comment typos.
6204 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6206 PR rtl-optimization/28634
6207 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6208 for floating-point modes unless flag_unsafe_math_optimizations.
6210 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6211 Andrew Pinski <pinskia@physics.uc.edu>
6214 * tree.c (build_array_type): Unify array types with
6215 unspecified index_type.
6216 * c-decl.c (grokdeclarator): Make sure we do not modify a
6217 unified incomplete array type.
6218 * c-typeck.c (store_init_value): Create distinct type before
6219 filling in the index type in an initializer from a compound
6222 * c-decl.c (grokdeclarator): Remove code where we copy the
6225 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6227 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6228 into account for TODO_dump_cgraph.
6229 (TODO_update_ssa_no_phi): Likewise.
6230 (TODO_update_ssa_full_phi): Likewise.
6231 (TODO_update_ssa_only_virtuals): Likewise.
6232 (TODO_remove_unused_locals): Likewise.
6233 (TODO_set_props): Likewise.
6234 (TODO_update_stmt_usage): Likewise.
6236 2006-08-13 Dirk Mueller <dmueller@suse.de>
6238 * c-common.c (strict_aliasing_warning): Fix formatting.
6240 2006-08-13 Matthias Klose <doko@debian.org>
6242 * doc/invoke.texi: Fix spelling errors.
6244 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6246 PR rtl-optimization/23454
6247 * reorg.c (relax_delay_slots): Update comment.
6249 2006-08-11 Richard Guenther <rguenther@suse.de>
6252 * simplify-rtx.c (simplify_const_relational_operation):
6253 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6256 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6258 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6259 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6261 2006-08-10 Paul Brook <paul@codesourcery.com>
6263 * final.c (final_scan_insn): Clear current_insn_predicate before
6264 outputting inline asm.
6266 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6268 PR tree-optimization/26197
6269 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6270 get_ref_base_and_extent and overlap_subvar to add only relevant
6271 subvars as may-aliases.
6272 (add_may_alias_for_new_tag): New function, factored out of
6274 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6275 with additional argument.
6276 * tree-flow.h (new_type_alias): Takes additional argument.
6278 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6280 * gcov.c (no_data_file): New flag.
6281 (read_count_file): Set it if data file not present. Assume counts
6283 (output_lines): Don't name the data file, if there wasn't one.
6285 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6287 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6288 (rs6000_generate_compare): Tweak comments.
6289 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6291 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6293 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6294 (var_debug_decl): New function.
6295 (var_reg_set): Follow debug decl link. Add location even if
6296 reg is already known to hold some other variable.
6297 (var_mem_set): Follow debug decl link.
6298 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6299 decl link. Delete other known locations of the variable part
6301 (var_reg_delete, var_mem_delete): Delete other known locations
6302 of the variable part if requested.
6303 (same_variable_part_p): New function.
6304 (add_stores): Select MO_COPY when appropriate.
6305 (vt_initialize): Handle it.
6306 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6307 known locations for MO_SET and MO_CLOBBER.
6308 (find_variable_location_part): New function.
6309 (set_variable_part, delete_variable_part): Use it.
6310 (clobber_variable_part): New function.
6311 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6314 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6316 PR tree-optimization/26969
6317 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6318 with an empty list of PHIs.
6320 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6324 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6327 2006-08-06 Andreas Schwab <schwab@suse.de>
6329 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6330 string. Whitespace and comment fixup.
6332 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6335 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6339 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6342 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6344 2006-08-04 Jan Hubicka <jh@suse.cz>
6348 * reload.c (push_reload): Patch out the mismatching instruction;
6350 (find_reload): Bail out if the instruction was patched out.
6352 2006-08-04 Jan Hubicka <jh@suse.cz>
6354 PR tree-optimization/24888
6355 * tree-inline.c (expand_call_inline): Do not re-record variables.
6356 (declare_inline_vars): Add variable to unexpanded_var_list.
6358 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6359 Roger Sayle <roger@eyesopen.com>
6361 PR rtl-optimization/26244
6362 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6363 inner_const are negative or greater than or equal to the bitsize of
6364 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6365 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6366 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6367 CONST0_RTX (mode) when the new shift count is greater than or equal to
6368 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6371 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6373 * tree-cfg.c: Fix a comment typo.
6375 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6378 * varasm.c (output_constant): Give the front end another chance to
6379 expand constants, after stripping NOPs.
6381 2006-08-03 Jan Hubicka <jh@suse.cz>
6383 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6386 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6388 PR tree-optimization/27770
6389 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6390 declaration removed (moved to tree-flow.h).
6391 (vect_can_force_dr_alignment_p): Likewise.
6392 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6393 (moved from tree-vectorizer.h).
6394 (vect_can_force_dr_alignment_p): Likewise.
6395 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6396 from outside the vectorizer - in particular from cgraph stage.
6397 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6398 the alignment of global arrays when -fsection-anchors is enabled.
6399 * cgraphunit.c (cgraph_increase_alignment): New function.
6400 (cgraph_optimize): Call cgraph_increase_alignment.
6402 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6405 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6406 not reload a SPE symbol_ref into a lo_sum address.
6408 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6411 * dwarf2out.c (prune_unused_types_prune): Move call to
6412 prune_unused_types_update_strings to cover the parent DIE also.
6414 2006-08-02 Jan Hubicka <jh@suse.cz>
6416 PR gcov/profile/28480
6417 * tree-cfg.c (change_bb_for_stmt): New function.
6418 (tree_merge_blocks, tree_split_blocks): Use it.
6420 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6426 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6427 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6428 (cgraph_optimize): Likewise.
6430 2006-08-01 Stuart Hastings <stuart@apple.com>
6432 * rtl.h (UINTVAL) New.
6433 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6434 * testsuite/gcc.dg/20060801-1.c: New.
6436 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6439 * c-typeck.c (build_external_type): Mark used enum types.
6440 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6442 (gen_subprogram_die): Whitespace fix.
6444 2006-08-01 Jan Hubicka <jh@suse.cz>
6446 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6447 bitmap when not needed.
6448 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6451 2006-08-01 Dirk Mueller <dmueller@suse.de>
6453 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6455 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6457 * Makefile.in: Revert part of previous patch:
6458 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6461 2006-07-30 Eric Christopher <echristo@apple.com>
6464 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6465 (PowerPC Variable Attributes): New section.
6467 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6469 PR target/28126 (partial fix)
6470 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6472 2006-07-28 Jan Hubicka <jh@suse.cz>
6474 PR rtl-optimization/28071
6475 * cfgrtl.c (rtl_delete_block): Free regsets.
6476 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6478 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6480 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6481 and variables used in dependencies.
6483 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6485 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6486 %fs for -mcmodel=kernel.
6487 (stack_tls_protect_test_di): Likewise.
6489 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6491 * Makefile.in: Use mkinstalldirs.
6493 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6496 * opts-common.c (prune_options): Skip joined switches.
6498 2006-07-27 Jan Hubicka <jh@suse.cz>
6500 PR rtl-optimization/28071
6501 * cselib.c (cselib_process_insn): Don't remove useless values too
6502 often for very large hashtables.
6504 2006-07-27 Jan Hubicka <jh@suse.cz>
6506 PR rtl-optimization/28071
6507 * global.c (greg_obstack): New obstack.
6508 (allocate_bb_info): Use it.
6509 (free_bb_info): Likewise.
6510 (modify_reg_pav): Likewise.
6512 2006-07-27 Roger Sayle <roger@eyesopen.com>
6514 * builtins.c (fold_fixed_mathfn): When long and long long are the
6515 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6516 functions to their lceil*, lfloor*, lround* and lrint* forms.
6518 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6521 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6523 (rev_branch_insn): Likewise.
6525 2006-07-27 Jan Hubicka <jh@suse.cz>
6527 PR rtl-optimization/28071
6528 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6529 (reg_set_in_bb, max_reg_computed): New static variables.
6530 (regmove_optimize): Free the new array.
6531 (fixup_match_1): Update call of reg_is_remote_constant_p.
6533 2006-07-26 Jan Hubicka <jh@suse.cz>
6535 PR tree-optimization/27882
6536 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6538 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6540 (cgraph_analyze_compilation_unit): Likewise.
6541 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6542 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6543 (cgraph_early_inlinine): Make order garbage collected.
6544 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6546 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6548 * dbxout.c (output_types_sort): Add a comment.
6549 (output_used_types): Free the VEC.
6551 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6553 * function.c (reorder_fix_fragments): Delete.
6554 (reorder_blocks): Don't call it.
6555 (reorder_blocks_1): Put all subblocks under the origin block.
6557 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6559 PR rtl-optimization/27907
6560 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6563 2006-07-25 Roger Sayle <roger@eyesopen.com>
6566 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6567 bar(x) check that bar's result type can represent all the values of T.
6569 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6571 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6573 2006-07-25 Nick Clifton <nickc@redhat.com>
6575 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6576 size_lookup[] array.
6577 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6578 (ggc_pch_count_object): Likewise.
6579 (ggc_pch_alloc_object): Likewise.
6580 (ggc_pch_write_object): Likewise.
6581 (init_ggc): Do not attempt to initialize entries in the
6582 size_lookup[] array for objects whose size is greater than than
6583 the length of the array.
6585 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6587 * dbxout.c (output_used_types_helper): Push queued types
6589 (output_types_sort): New.
6590 (output_used_types): Collect used types on a VEC and sort them
6593 2006-07-24 Richard Guenther <rguenther@suse.de>
6596 * cgraph.c (cgraph_remove_node): Do not check if dumps
6598 * cgraphunit.c (cgraph_optimize): Likewise.
6600 2006-07-24 Jan Hubicka <jh@suse.cz>
6602 PR rtl-optimization/28071
6603 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6604 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6605 splitting before first stmt.
6607 2006-07-24 Jan Hubicka <jh@suse.cz>
6609 PR rtl-optimization/28071
6610 * ipa-inline.c (update_caller_keys): Remove edges that
6611 are no longer inline candidates.
6613 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6616 * dbxout.c (output_used_types_helper, output_used_types): New.
6617 (dbxout_symbol): Call output_used_types.
6619 2006-07-23 Jan Hubicka <jh@suse.cz>
6623 * cgraph.c (cgraph_varpool_nodes): Export.
6624 (decide_is_variable_needed): Ignored "used" attribute in
6625 unit-at-a-time mode.
6626 * cgraph.h (cgraph_varpool_nodes): Declare.
6627 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6628 unit-at-a-time mode.
6630 2006-07-23 Roger Sayle <roger@eyesopen.com>
6633 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6634 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6635 the __gthrw form of thr_keycreate.
6636 (__gthread_key_delete): Silence the unused argument warning.
6638 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6641 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6642 Cache the last found '\0' marker to avoid quadratic behavior.
6644 2006-07-23 Jan Hubicka <jh@suse.cz>
6646 * i386.md (subsi_3_zext): Fix output template.
6648 2006-07-21 Mike Stump <mrs@apple.com>
6650 * doc/invoke.texi (C++ Dialect Options): Note that
6651 -fvisibility-inlines-hidden doesn't affect explicitly
6652 instantiationed inline methods.
6654 2006-07-20 Roger Sayle <roger@eyesopen.com>
6656 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6657 if the target assembler is GNU binutils' gas.
6658 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6659 whether to pass GNU gas or native as command line options.
6661 2006-07-20 Jason Merrill <jason@redhat.com>
6663 * tree.c (remove_attribute): New fn.
6664 * tree.h: Declare it.
6666 2006-07-20 Paul Brook <paul@codesourcery.com>
6669 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6670 they are invalidated by this instruction.
6672 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6675 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6677 2006-07-20 Eric Christopher <echristo@apple.com>
6680 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6682 2006-07-19 Eric Christopher <echristo@apple.com>
6684 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6685 Rewrite dependencies for libgcc_s.1.dylib.
6687 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6689 * except.c (duplicate_eh_regions_1): Clear next_peer.
6691 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6693 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6694 -mlongcall does not guarantee all calls will be long.
6695 * doc/extend.texi (long_call/short_call): Document that longcall
6696 does not guarantee a long call will be used.
6697 (longcall/shortcall): Likewise.
6699 2006-07-18 Roger Sayle <roger@eyesopen.com>
6702 * expmed.c (expand_shift): Additionally check that the shift_cost
6703 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6704 before implementing a LSHIFT_EXPR as a sequence of additions.
6705 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6706 middle-end that DImode shifts need to be synthesized by expand.
6708 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6711 * tree-ssa-operands.c (access_can_touch_variable): Update
6713 Return true if ALIAS is .GLOBAL_VAR.
6715 2006-07-18 David Daney <ddaney@avtrex.com>
6717 * gcc.c (display_help): Fix typo in help text.
6719 2006-07-18 Olivier Hainque <hainque@adacore.com>
6721 * tree.h (categorize_ctor_elements): Adjust prototype and add
6722 descriptive comment, both in accordance with the interface change
6724 * varasm.c (constructor_static_from_elts_p): New function.
6725 Whether a constructor node is a valid static constant initializer
6726 if all its elements are.
6727 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6728 * output.h: Declare it.
6729 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6730 is a valid constant initializer instead of computing the number of
6731 non-constant elements. Use constructor_static_from_elts_p for this
6732 purpose. Replace the head comment with an indication that this is a
6733 helper for categorize_ctor_elements.
6734 (categorize_ctor_elements): Same interface change as for the _1
6735 helper. Former head comment from this helper moved here, adjusted to
6736 account for the interface changes.
6737 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6738 (all_zeros_p): Likewise.
6739 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6740 static versions of the constructor from the categorize_ctor_elements
6741 return value instead of the formerly computed number of non-constant
6744 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6746 * configure: Regenerate.
6747 * Makefile.in (build_libsubdir): New configure substitution
6748 (build_libobjdir): New variable.
6749 (BUILD_LIBIBERTY): Use it.
6751 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6754 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6756 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6759 * c-common.c (handle_weakref_attribute): Ignore attribute in
6760 the same conditions the alias attribute is ignored.
6762 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6764 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6765 (dbxout_begin_prologue): Increment scope_labelno.
6767 2006-07-17 Richard Henderson <rth@redhat.com>
6770 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6773 2006-07-17 Roger Sayle <roger@eyesopen.com>
6774 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6776 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6777 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6778 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6779 functions such as sbrk, write, etc.. Add function prototypes.
6780 Convert function declarations from K&R to ISO C. Cast pointers
6781 to "long" and "unsigned long" instead of "int" and "unsigned int".
6782 Convert tokens following #endif into comments.
6784 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6786 * invoke.texi: Remove mention of f77; Reformat table for
6787 inline parameter options correctly; mention that -malign-double
6788 is default on x86-64 targets.
6790 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6792 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6793 (convert_affine_scev, chrec_convert_aggressive): Use
6794 avoid_arithmetics_in_type_p. Do not check for the subtypes
6797 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6800 * optabs.c (expand_doubleword_shift): Wrap the call to
6801 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6803 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6806 * optabs.c (expand_binop): Pass next_methods rather than methods
6807 to expand_doubleword_shift.
6809 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6812 * tree.h (dump_addr): Declare.
6813 * print-tree.c (dump_addr): New function.
6814 (print_node_brief, print_node): Use it.
6815 * print-rtl.c (print_rtx): Likewise.
6816 * common.opt (-fdump-noaddr): New option.
6817 * doc/invoke.texi (-fdump-noaddr): Document.
6818 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6819 (ve_info_hash): Likewise.
6821 2006-07-13 Andrew Haley <aph@redhat.com>
6823 PR tree-optimization/19505
6824 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6825 edge leaving this block, make sure that the destination of this
6826 block has only one predecessor.
6828 2006-07-17 Richard Guenther <rguenther@suse.de>
6830 PR tree-optimization/28238
6831 * tree-inline.c (copy_bb): Check if we produced valid
6832 gimple copying and substituting a stmt. If not, gimplify
6835 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6837 * optabs.c (maybe_encapsulate_block): New function extracted from...
6838 (emit_libcall_block): ...here. Invoke it on the block of insns to
6839 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6840 (emit_no_conflict_block): Likewise.
6842 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6844 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6846 2006-07-15 Roger Sayle <roger@eyesopen.com>
6848 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6849 a new NOP_EXPR case of the switch statement.
6851 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6854 * stor-layout.c (place_field): Take the bit field with
6855 an excessive size into account in the ms-bitfiled case.
6858 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6859 the previous bit field.
6861 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6864 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6866 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6868 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6869 signal frames correctly even when the signal was installed with
6872 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6874 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6875 (dbxout_function_end): Use local label LFBB. Remove hook
6877 (dbxout_source_line): Use local label LFBB.
6878 (dbxout_block): Likewise.
6879 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6880 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6881 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6882 and DBX_OUTPUT_NFUN.
6884 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6886 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6888 2006-07-13 Jan Hubicka <jh@suse.cz>
6890 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6892 * output.h (align_variable): Declare.
6893 * varasm.c (align_variable): Export.
6894 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6895 when basic block changed.
6897 2006-07-13 Nick Clifton <nickc@redhat.com>
6899 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6900 walking the LOG_LINKS chain.
6902 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6904 * doc/invoke.texi (C++ Dialect Options): Explain difference
6905 between -fvisibility-inlines-hidden and setting hidden
6906 visibility explicitly.
6908 2006-07-12 Eric Christopher <echristo@apple.com>
6910 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6911 (stmp-lipo): Depend on libgcc.a.
6913 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6915 * tree.c: Fix a comment typo.
6917 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6919 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6921 (umulhisi3_r): Likewise.
6923 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6926 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6927 x < 19, vs wchar_t support.
6929 2006-07-12 Nick Clifton <nickc@redhat.com>
6931 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6932 instead of -isa=sh4.
6934 2006-07-12 Mike Stump <mrs@apple.com>
6936 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6938 2006-07-10 Eric Christopher <echristo@apple.com>
6940 * config/t-slibgcc-darwin: Rewrite.
6942 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6945 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6948 2006-07-08 Matthias Klose <doko@debian.org>
6950 * doc/sourcebuild.texi: Fix typo.
6952 2006-07-07 Mike Stump <mrs@apple.com>
6954 * toplev.c (process_options): Don't give -ffunction-sections may
6955 affect debugging warning for Mach-O.
6957 2006-07-07 James E Wilson <wilson@specifix.com>
6959 * config/mips/mips.md (cpu): Add sb1a.
6960 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6961 addition to sb1. Adjust comments to clarify SB-1A differences from
6963 (ir_sb1a_load): New. Modify bypasses to use it.
6964 (ir_sb1a_simple_alu): Likewise.
6965 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6966 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6967 (mips_issue_rate): Add PROCESSOR_SB1A.
6968 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6969 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6970 (TARGET_SB1): Add PROCESSOR_SB1A check.
6971 (TUNE_SB1): Likewise.
6973 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6974 * config/mips/mips.c (mips_store_data_bypass_p): New.
6975 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6976 store_data_bypass_p.
6978 2006-07-08 Paul Brook <paul@codesourcery.com>
6981 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6983 2006-07-07 Richard Guenther <rguenther@suse.de>
6986 * tree.h (build_one_cst): Declare.
6987 * tree.c (build_one_cst): New function.
6988 * tree-ssa-math-opts.c (get_constant_one): Remove.
6989 (insert_reciprocals): Use build_one_cst.
6990 * fold-const.c (fold_plusminus_mult): Likewise.
6992 2006-07-07 Roger Sayle <roger@eyesopen.com>
6994 * pointer-set.c (pointer_set_destroy): Correct whitespace.
6995 * cfgloopanal.c (dump_graph): Likewise.
6996 * dojump.c (discard_pending_stack_adjust): Likewise.
6997 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
6999 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7000 * function.c (finalize_block_changes): Likewise.
7001 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7002 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7003 * rtl.c (dump_rtx_statistics): Likewise.
7004 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7006 * varray.c (dump_varray_statistics): Likewise.
7007 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7008 decode_decimal64, encode_decimal128, decode_decimal128,
7009 decimal_real_to_decimal): Likewise.
7011 2006-07-07 Richard Guenther <rguenther@suse.de>
7013 PR tree-optimization/28187
7014 * tree-vrp.c (vrp_operand_equal_p): New function.
7015 (vrp_bitmap_equal_p): Likewise.
7016 (update_value_range): Use them to compare old and new
7019 2006-07-06 Roger Sayle <roger@eyesopen.com>
7021 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7022 a default case to switch statement to silence compiler warnings.
7024 2006-07-06 Roger Sayle <roger@eyesopen.com>
7027 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7028 the configured assembler supports the x87's ffreep mnemonic.
7029 * configure: Regenerate.
7030 * config.in: Regenerate.
7032 * config/i386/i386.c (output_387_ffreep): New function.
7033 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7034 (output_387_reg_move): Likewise.
7036 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7038 Port to hosts whose 'sort' and 'tail' implementations
7039 treat operands with leading '+' as file names, as POSIX
7040 has required since 2001. However, make sure the code still
7041 works on pre-POSIX hosts.
7042 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7043 which says you should use "tail -c +N" rather than "tail +Nc".
7044 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7046 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7048 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7051 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7054 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7055 PRE_{INC,DEC} of TFmode.
7057 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7058 Alan Modra <amodra@bigpond.net.au>
7061 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7064 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7067 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7068 Remove duplicate gtu.
7070 2006-07-05 Jason Merrill <jason@redhat.com>
7074 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7075 * c-common.c (handle_packed_attribute): So don't copy it here.
7076 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7078 2006-07-05 Mike Stump <mrs@apple.com>
7080 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7082 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7085 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7087 2006-07-05 Richard Guenther <rguenther@suse.de>
7090 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7091 TARGET_SSE2 targets if using SSE math.
7092 (*absdf2_1): Likewise.
7094 2006-07-05 Richard Guenther <rguenther@suse.de>
7096 PR tree-optimization/28162
7097 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7098 make sure to convert the operands to the correct type.
7100 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7102 PR tree-optimization/28218
7104 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7105 to calculate and free the dominator information.
7107 2006-07-04 Peter O'Gorman <peter@pogma.com>
7109 * mklibgcc.in: chmod 644 before ranlib during install.
7111 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7112 J"orn Rennecke <joern.rennecke@st.com>
7114 * configure.ac (.eh_frame data check): Use diff -b.
7116 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7119 * Makefile.in (BUILD_RTL): Add build/vec.o.
7120 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7121 (build/genextract): Delete.
7122 (build/genautomata): Likewise.
7124 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7127 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7128 128-bit IBM long doubles for ABI_V4.
7130 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7132 * tree.c (range_in_array_bounds_p): New predicate.
7133 * tree.h (range_in_array_bounds_p): Declare it.
7134 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7135 return a less conservative answer.
7136 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7137 and flag 'is_group'.
7138 (IS_ELEMENT_FOR_GROUP): New macro.
7139 (FOR_EACH_ACTUAL_CHILD): Likewise.
7140 (next_child_for_group): New helper function.
7141 (can_completely_scalarize_p): Take into account groups.
7142 (sra_hash_tree): Handle RANGE_EXPR.
7143 (sra_elt_eq): Likewise.
7144 (lookup_element): Be prepared for handling groups.
7145 (is_valid_const_index): Delete.
7146 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7147 instead of is_valid_const_index.
7148 <ARRAY_RANGE_REF>: New case.
7149 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7150 is_valid_const_index.
7151 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7152 (scan_dump): Dump info for groups too.
7153 (decide_instantiation_1): Likewise.
7154 (decide_block_copy): Assert that the element is not a group.
7155 Propagate decision to groups.
7156 (generate_one_element_ref): Handle RANGE_EXPR.
7157 (mark_no_warning): Iterate over actual childs.
7158 (generate_copy_inout): Likewise.
7159 (generate_element_copy): Likewise.
7160 (generate_element_zero): Likewise.
7161 (generate_element_init_1): Likewise.
7162 (dump_sra_elt_name): Handle RANGE_EXPR.
7164 2006-07-03 Roger Sayle <roger@eyesopen.com>
7166 PR tree-optimization/26251
7167 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7168 (thread_block): When optimizing for size refuse to thread jumps
7169 that would require duplication of blocks other than redirection
7172 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7174 * configure.ac: Fix thinko in previous check-in.
7175 * configure: Regenerate.
7177 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7180 * configure.ac (for lang...): Simplify nesting of conditionals.
7181 Test subdir_requires for non-enabled languages. Move processing
7182 of lang_opt_files and lang_tree_fiels below that test.
7183 * configure: Regenerate.
7184 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7186 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7188 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7190 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7192 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7195 2006-06-29 Jason Merrill <jason@redhat.com>
7202 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7203 * c-common.c (c_determine_visibility): Handle it here.
7204 * c-decl.c (finish_decl): Call c_determine_visibility for
7206 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7208 * varasm.c (default_assemble_visibility): Likewise.
7209 * c-common.c (handle_visibility_attribute): Complain about trying
7210 to give visibility to an already defined class, or trying to change
7211 declared visibility. Always attach the attribute.
7216 * attribs.c (decl_attributes): Ignore type-in-place attributes
7217 once the type has been defined.
7219 2006-06-29 Roger Sayle <roger@eyesopen.com>
7222 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7223 to indicate the cpplib has issued an error message for us.
7225 2006-06-29 Asher Langton <langton2@llnl.gov>
7228 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7229 insert a label at the end of an function under Mach-O.
7231 2006-06-29 Eric Christopher <echristo@apple.com>
7232 Evan Cheng <evan.cheng@apple.com>
7234 * predicates.md (vector_all_ones_operand): New.
7235 (nonimmediate_or_sse_const_operand): Ditto.
7236 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7237 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7238 (standard_sse_mode_p): Ditto.
7239 (standard_sse_constant_p): Add case for -1 vector.
7240 (ix86_expand_vector_move): Try to use.
7241 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7242 Call standard_sse_constant_opcode.
7243 (*movv4sf_internal): Ditto.
7244 (*movv2df_internal): Ditto.
7246 2006-06-29 Roger Sayle <roger@eyesopen.com>
7248 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7249 of XEXP to extract the operands of a MATCH_CODE rtx.
7251 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7253 * tree.c (tree_size): Do not waste tail padding in
7254 struct tree_string and make the size be the same as
7255 build_string will generate.
7257 2006-06-28 Jason Merrill <jason@redhat.com>
7260 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7261 may_aliases already in the tag's annotations to the bitmap.
7263 2006-06-28 Roger Sayle <roger@eyesopen.com>
7265 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7267 2006-06-28 Roger Sayle <roger@eyesopen.com>
7269 * genpreds.c (generate_switch_p): New function.
7270 (add_mode_tests): Push the new mode test down inside an AND expr
7271 if this allows the switch-suitable MATCH_CODE to be near the root.
7272 (write_match_code_switch): New function to write a MATCH_CODE as
7274 (write_predicate_stmts): New function to write a predicate RTX
7275 expression as a sequence of statements.
7276 (write_one_predicate_function): Use write_predicate_stmts.
7277 (write_tm_constrs_h): Likewise.
7279 2006-06-26 Fred Fish <fnf@specifix.com>
7281 * config/mips/t-sb1: New file.
7282 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7285 2006-06-26 DJ Delorie <dj@redhat.com>
7287 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7289 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7290 Jayant Sonar <jayants@kpitcummins.com>
7291 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7293 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7294 (subsi3, subsi3_1, subsi3_2): New.
7295 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7296 * config/m32c/mov.md (SI mov peephole): New.
7297 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7298 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7300 2006-06-26 Olivier Hainque <hainque@adacore.com>
7302 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7303 a CALL_EXPR target function declaration.
7305 2006-06-26 Richard Guenther <rguenther@suse.de>
7307 * tree.c (build_string): Do not waste tail padding in
7310 2006-06-26 Richard Guenther <rguenther@suse.de>
7312 * ggc-page.c (init_ggc): Add missing element to size_lookup
7316 2006-06-23 Richard Guenther <rguenther@suse.de>
7318 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7319 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7320 alignment requests instead. Add verification code.
7321 Add struct tree_function_decl and struct tree_binfo size to
7322 extra_order_size_table. Add missing element to size_lookup
7325 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7328 * fold-const.c (const_binop): Be prepared for self returning zero.
7329 Simplify code handling complex values.
7331 2006-06-24 Olivier Hainque <hainque@adacore.com>
7333 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7334 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7337 2006-06-24 Olivier Hainque <hainque@adacore.com>
7339 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7340 ARRAY_REF, so have the callback called for the low bound expression.
7342 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7344 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7345 * c-typeck.c (c_common_type): Disallow operations on decimal float
7346 types and other float types.
7347 * convert.c (convert_to_real): Don't ignore conversions involving
7348 decimal float types.
7350 2006-06-23 Olivier Hainque <hainque@adacore.com>
7352 * tree.c (max_int_size_in_bytes): New function, inspired from
7353 code in function.c:assign_temp.
7354 * tree.h (max_int_size_in_bytes): Declare.
7355 * function.c (assign_temp): Use it.
7356 * gimplify.c (create_tmp_var): Relax the assertions on the type
7357 properties, not mandating constant size any more.
7358 (force_constant_size): New static function.
7359 (gimple_add_tmp_var): Use it, forcing variable size to a
7360 constant upper bound if it is not constant on entry.
7362 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7365 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7366 for initialization and setting of one_only flag to ...
7367 (i386_pe_encode_section_info): ...here.
7368 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7369 Recheck that the symbol has not been defined.
7371 2006-06-23 Richard Guenther <rguenther@suse.de>
7373 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7374 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7375 alignment requests instead. Add verification code.
7376 Add struct tree_function_decl and struct tree_binfo size to
7377 extra_order_size_table. Add missing element to size_lookup
7380 2006-06-22 Roger Sayle <roger@eyesopen.com>
7381 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7384 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7385 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7387 2006-06-23 Ben Elliston <bje@au.ibm.com>
7389 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7390 negate dn -- manipulate it directly.
7392 2006-06-22 Roger Sayle <roger@eyesopen.com>
7393 Steven Bosscher <stevenb.gcc@gmail.com>
7396 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7397 generated by gen_move_insn to add REG_LABEL notes if necessary.
7399 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7401 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7402 (leaf_entry): Remove use of MIN_ESA.
7404 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7406 PR rtl-optimization/28121
7407 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7410 2006-06-21 DJ Delorie <dj@redhat.com>
7412 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7414 (mulhisi3_r): Likewise.
7416 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7419 * coverage.c (coverage_counter_alloc): Leave the index type
7421 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7424 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7426 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7427 section from the "Options for Code Generation Conventions".
7429 2006-06-21 Richard Henderson <rth@redhat.com>
7433 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7435 (global_symbolic_operand): Allow weak symbols, even if local_p.
7437 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7439 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7440 (find_interesting_uses_address): Punt if above function returns true.
7442 2006-06-21 Richard Guenther <rguenther@suse.de>
7444 * configure: Regenerated.
7446 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7448 * config/mips/mips.c (function_arg): Where one part of a
7449 complex argument is in registers and the other part in the stack,
7450 return a REG not a PARALLEL.
7452 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7454 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7455 when cross-compiling. Do not substitute libstdcxx_incdir.
7456 * configure: Regenerated.
7458 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7460 * varasm.c (mergeable_string_section): Check for embedded NULs and
7461 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7462 rather than TREE_STRING_LENGTH bytes.
7464 2006-06-21 Richard Guenther <rguenther@suse.de>
7466 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7467 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7470 2006-06-21 Richrad Guenther <rguenther@suse.de>
7472 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7473 Limit iteration over the dominators.
7475 2006-06-20 Roger Sayle <roger@eyesopen.com>
7477 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7478 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7480 2006-06-20 Richard Guenther <rguenther@suse.de>
7481 Michael Matz <matz@suse.de>
7483 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7485 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7486 * et-forest.h (et_free_pools): Prototype new function.
7487 * et-forest.c (et_free_tree_force): Free parent occurrence.
7488 (et_free_pools): New function.
7489 * dominance.c (free_dominance_info): Free et-forest alloc
7492 2006-06-20 Roger Sayle <roger@eyesopen.com>
7494 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7495 integer modes, attempt to directly construct an integer constant.
7497 * fold-const.c (native_encode_vector): Determine the size of each
7498 element from the vector type instead of the first vector element.
7500 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7501 if all of its elements/components are constant.
7502 (build_constructor_from_list): Likewise.
7504 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7506 PR tree-optimization/27331
7507 * tree-data-ref.c (free_data_ref): New function.
7508 (create_data_ref): Fail if the data reference has unknown access
7510 (free_data_refs): Use free_data_ref.
7512 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7515 * tree-inline.c (setup_one_parameter): Strip useless
7516 type conversion before adding it to the IR.
7517 (declare_return_variable): Likewise.
7519 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7522 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7524 2006-06-19 Mike Stump <mrs@apple.com>
7526 * tree.c (variably_modified_type_p): VM arguments don't make the
7529 2006-06-19 Richard Guenther <rguenther@suse.de>
7531 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7532 type conversions after folding.
7534 2006-06-19 Richard Guenther <rguenther@suse.de>
7536 * ggc-page.c (extra_order_size_tab): Add entries with
7537 size of struct function and basic_block.
7538 (size_lookup): Extend to cover sizes up to 511.
7539 (ggc_alloc_stat): Adjust user.
7540 (ggc_pch_count_object): Likewise.
7541 (ggc_pch_alloc_object): Likewise.
7542 (ggc_pch_write_object): Likewise.
7544 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7546 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7547 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7550 2006-06-19 Denis Chertykov <denisc@overta.ru>
7552 * config/avr/libgcc.S : Correct my wrong previous commit.
7554 2006-06-19 Roger Sayle <roger@eyesopen.com>
7557 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7558 have stripped a SUBREG from the shift count, so we may need to
7559 convert_to_mode back to the type's mode before calling make_tree.
7560 Use new_amount instead of amount to avoid expanding a tree twice.
7562 2006-06-19 Richard Guenther <rguenther@suse.de>
7565 * fold-const.c (operand_equal_p): Check if the argument types
7566 have the same precision before stripping NOPs.
7568 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7570 Fix PR tree-optimization/27341
7571 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7573 * tree-complex.c (pass_lower_complex): Update SMT usage.
7575 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7577 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7578 Add a new alternative to the constraint strings. Add move of
7579 operand 1 to 3 to the splitter definition.
7580 ("doloop_si_long"): Second contraint alternative removed.
7582 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7584 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7585 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7587 (AVR_HAVE_MOVW) Define.
7588 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7589 (ASM_SPEC): Add avr25.
7590 (LINK_SPEC): Add avr25.
7591 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7592 (base_arch_s): Add new member 'have_movw_lpmx'.
7593 (avr_arch_types): Init 'have_movw_lpmx'.
7594 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7595 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7596 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7597 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7598 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7600 (avr_file_start): Do not output '.arh' derective.
7601 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7602 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7603 * config/avr/avr.md (mcu_enhanced): Delete.
7604 (mcu_have_movw): Define.
7605 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7606 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7607 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7608 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7609 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7610 attiny861 and at86rf401 devices.
7612 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7614 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7617 2006-06-17 Karl Berry <karl@gnu.org>
7619 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7620 doc/gccint.texi, doc/install.texi (@dircategory): Use
7621 "Software development" instead of "Programming", following
7622 the Free Software Directory.
7624 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7626 * config/i386/i386.c (legitimate_tls_address)
7627 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7628 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7629 (*tls_dynamic_gnu2_combine_64): Likewise.
7631 2006-06-16 Richard Guenther <rguenther@suse.de>
7634 * fold-const.c (negate_expr_p): Do not introduce undefined
7635 overflow in negating INTEGER_CSTs.
7636 (fold_negate_expr): Rename from negate_expr. Revert last
7637 change for folding BIT_NOT_EXPR. Change semantics to
7638 return NULL_TREE for non-simplified negations. Do not
7639 strip type conversions and unify type handling.
7640 (negate_expr): New function, wrap around fold_negate_expr
7641 but ensure building a tree always. Strip type conversions
7642 here, fold to result type.
7643 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7645 2006-06-16 Roger Sayle <roger@eyesopen.com>
7648 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7649 that (would) return their results in stack registers.
7651 2006-06-16 Michael Matz <matz@suse.de>
7652 Richard Guenther <rguenther@suse.de>
7654 * fold-const.c (fold_truthop): Only return new tree node if
7655 we canonicalized something.
7657 2006-06-16 Richard Guenther <rguenther@suse.de>
7659 * function.h (enum function_frequency): Move declaration
7660 out of struct function.
7661 (struct function): Move bool fields and the enum to the bitfield
7662 section. Reorder elements to avoid padding. Remove unused
7663 fields left over from the RTL inliner removal.
7664 * function.c (free_after_compilation): Do not zero removed fields.
7665 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7666 (ipa-type-escape.o): Likewise.
7668 2006-06-16 Richard Guenther <rguenther@suse.de>
7670 * cgraph.h (struct cgraph_local_info): Turn bool elements
7672 (struct cgraph_node): Likewise.
7673 (struct cgraph_varpool_node): Likewise.
7675 2006-06-15 Richard Guenther <rguenther@suse.de>
7677 * fold-const.c (fold_truth_not_expr): Rename from
7678 invert_truthvalue. Give it fold_* semantics to avoid
7680 (invert_truthvalue): New function. Wrapper around
7681 fold_truth_not_expr.
7682 (optimize_minmax_comparison): Avoid creating garbage.
7683 (fold_unary): Use fold_truth_not_expr for folding
7685 (fold_ternary): Replace uses of invert_truthvalue with
7686 fold_truth_not_expr where applicable.
7687 * tree.h (fold_truth_not_expr): Prototype.
7689 2006-06-16 Richard Guenther <rguenther@suse.de>
7691 PR tree-optimization/27781
7692 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7693 * ipa-pure-const.c (target.h): Include.
7694 (analyze_function): Do not analyze functions that do not
7697 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7700 * tree-dfa.c (referenced_vars_dup_list): Remove.
7701 (find_referenced_vars): Remove assert.
7702 (referenced_var_check_and_insert): Replace dup list with assert.
7703 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7704 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7706 2006-06-15 Richard Guenther <rguenther@suse.de>
7708 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7709 extra unused identifiers if not dumping.
7710 (create_variable_info_for): Likewise.
7712 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7714 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7715 (derive_constant_upper_bound): Derive more precise upper bound in
7716 common cases. Return type changed to double_int.
7717 (record_estimate): Reflect the changed return type of
7718 derive_constant_upper_bound.
7719 * double-int.c (double_int_zext, double_int_sext): Fix.
7721 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7723 * configure.ac (CFLAGS): Get them from the toplevel or from the
7724 configure invocation.
7725 * configure: Regenerate.
7726 * Makefile.in (CFLAGS): Substitute value provided by configure.
7728 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7731 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7732 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7733 rather than calling add_stmt on it.
7734 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7736 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7739 * reload1.c (reload): Remove registers returned by update_eliminables
7740 from used_spill_regs.
7742 2006-06-13 DJ Delorie <dj@redhat.com>
7744 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7746 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7748 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7749 html__strip_dir, html__mkdir_p. Enhance install-html target.
7750 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7751 * configure: Regenerate.
7753 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7755 * fold-const.c (fold_cond_expr_with_comparison): Check for
7756 Objective-C++ as language in deciding COND_EXPR transformation.
7758 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7761 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7762 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7763 * config/sh/lib1funcs.h (SL, SL1): Define.
7764 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7765 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7766 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7767 (OBJS_Os_4_200): New variable.
7768 ($(T)libgcc-Os-4-200.a): Use it.
7769 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7770 when dividing 1 and/or by 0.
7772 2006-06-13 Roger Sayle <roger@eyesopen.com>
7774 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7775 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7776 * configure: Regenerate.
7778 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7780 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7781 for real instruction.
7783 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7786 * haifa-sched.c (check_cfg): Handle special case.
7788 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7791 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7792 Add debug_info parameter. Chain the vars to the BLOCK instead
7793 of the BIND_EXPR if debug info are requested for them.
7794 (pop_gimplify_context): Adjust for above change.
7795 (gimple_add_tmp_var): Likewise.
7796 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7798 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7799 (convert_local_reference): Likewise.
7800 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7801 (finalize_nesting_tree_1): Request that debug info be emitted
7802 for debug_var_chain.
7804 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7806 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7807 for PR target/27863.
7809 2006-06-13 Richard Guenther <rguenther@suse.de>
7812 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7814 2006-06-13 Richard Guenther <rguenther@suse.de>
7816 PR tree-optimization/27830
7817 * tree-inline.c (copy_body_r): For copying the operand
7818 of an ADDR_EXPR make sure to fold &* afterwards.
7820 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7822 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7823 lvalues in the fb_none case with side-effects.
7825 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7827 * tree-flow.h: Remove the prototype for
7828 compute_phi_arg_on_exit.
7829 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7830 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7833 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7835 * builtins.c (expand_builtin_return_addr): Only use
7836 frame_pointer_rtx when count == 0 and we are expanding
7837 __builtin_return_address.
7839 2006-06-12 Fred Fish <fnf@specifix.com>
7841 * config/mips/mips.c (mips_file_start): Create special section
7842 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7844 2006-06-11 Eric Christopher <echristo@apple.com>
7847 * stor-layout.c (place_field): Remove check for
7848 remaining_in_alignment when aligning at the end of a run.
7850 2006-06-11 Eric Christopher <echristo@apple.com>
7853 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7856 2006-06-11 Roger Sayle <roger@eyesopen.com>
7859 Revert incorrect fix for PR target/27158
7860 2006-05-08 Roger Sayle <roger@eyesopen.com>
7861 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7862 of a reg_equiv_constant if the result is a legitimate constant.
7864 2006-06-11 Roger Sayle <roger@eyesopen.com>
7867 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7868 extract a CONST_VECTOR element and interpret it as an integer.
7869 (vspltis_constant): Use const_vector_elt_as_int instead of the
7870 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7871 * config/rs6000/predicates.md (easy_vector_const): Consider
7872 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7874 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7877 * stor-layout.c (update_alignment_for_field): Don't add extra
7878 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7881 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7883 * config/mips/t-rtems: Add EL/EB multilib variants.
7885 2006-06-09 Mike Stump <mrs@apple.com>
7887 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7889 2006-06-09 David Daney <ddaney@avtrex.com>
7891 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7893 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7895 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7897 2006-06-09 Richard Guenther <rguenther@suse.de>
7899 PR tree-optimization/26998
7900 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7901 of signed types, only TYPE_MIN_VALUE is special, but for both,
7902 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7903 in this case, as is -fwrapv.
7905 2006-06-08 Mike Stump <mrs@apple.com>
7908 * config/darwin.c (darwin_asm_output_anchor): Disable
7909 -fsection-anchors on darwin for now.
7910 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7911 * rs6000/rs6000.c (optimization_options): Likewise.
7913 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7916 * config/i386/i386.c (classify_argument): Skip fields with invalid
7919 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7921 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7922 (cse_insn): Likewise for the stack_pointer_rtx.
7924 2006-06-08 Roger Sayle <roger@eyesopen.com>
7926 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7927 conditions from floating point comparisons.
7929 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7932 * expmed.c (struct alg_hash_entry): Fix type of field T
7933 to match synth_mult argument.
7934 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7936 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7939 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7942 2006-06-08 Richard Guenther <rguenther@suse.de>
7945 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7946 only, if overflow is defined and not trapping.
7947 (negate_expr): Likewise.
7949 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7951 PR tree-optimization/27872
7952 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7953 flag on the new exit edge of the unrolled loop.
7955 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7957 PR rtl-optimization/26449
7958 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7960 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7963 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7964 referenced_variables with matching DECL_UID's.
7965 (find_referenced_vars): Make sure duplicate list is empty to start.
7966 (referenced_var_p): Remove.
7967 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7968 Check if var is in the list, and add if needed. Update the duplicate
7969 list if a different var is in the list with the same DECL_UID.
7970 (add_referenced_var): Call routine to check and insert.
7971 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7972 * tree-flow.h (referenced_vars_dup_list): External declaration.
7974 2006-06-07 Fred Fish <fnf@specifix.com>
7976 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7979 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7982 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7983 the imaginary and real parts of a clobbered register.
7984 Emit insn to set the imaginary part.
7986 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
7988 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
7989 in lieu of unwind-dw2-fde.c.
7991 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7993 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
7995 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
7998 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
7999 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8000 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8001 V4SImode temporaries and operations instead.
8003 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8005 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8008 2006-06-06 Mike Stump <mrs@apple.com>
8010 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8011 installing during build.
8013 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8015 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8017 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8018 * config/ia64/ia64.c (params.h): New header.
8019 (ia64_optimization_options): New function to adjust parameters.
8020 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8021 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8022 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8024 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8026 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8028 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8031 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8033 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8034 Victor Kaplansky <victork@il.ibm.com>
8036 PR tree-optimization/26360
8037 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8040 2006-06-04 Roger Sayle <roger@eyesopen.com>
8041 Andrew Pinski <pinskia@physics.uc.edu>
8044 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8045 for LABEL_DECL before calling DECL_WEAK.
8048 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8049 LABEL_DECL and PARM_DECL.
8051 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8055 * c-decl.c (grokdeclarator): Disallow variably modified types at
8056 file scope. Avoid marking shared array type of constant size as
8059 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8062 * c-common.c (fold_offsetof_1): Handle static members.
8064 2006-06-04 Eric Christopher <echristo@apple.com>
8066 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8067 (debug_rli): Output value for remaining_in_alignment.
8068 (update_alignment_for_field): Unconditionalize
8069 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8070 extra alignment code.
8071 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8072 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8073 * tree.h (record_layout_info_s): Remove prev_packed.
8074 * doc/extend.texi (ms_struct): Add documentation of format.
8076 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8078 * tree.h: Declare folding_initializer.
8079 * builtins.c (fold_builtin_constant_p): Give definite answer
8080 if folding inside an initializer.
8081 * fold-const.c: Define folding_initializer.
8082 (START_FOLD_INIT): Save and then set folding_initializer.
8083 (END_FOLD_INIT): Restore folding_initializer.
8085 2006-06-04 Richard Guenther <rguenther@suse.de>
8087 PR tree-optimization/27039
8088 * fold-const.c (fold_comparison): Handle pointer comparison
8089 again for all comparison codes. Compare offsets in signed
8091 (fold_binary): Move code from here.
8093 2006-06-03 Roger Sayle <roger@eyesopen.com>
8096 * config/i386/i386.c (construct_container): Split static issued_error
8097 flag into issued_sse_arg_error, issued_sse_ret_error and
8098 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8099 requires the use of x87 registers and the user explicitly
8100 specified the -mno-80387 command line option.
8102 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8104 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8105 HAVE_DECL_SIGALTSTACK.
8107 (segv_handler): Use MC_FLD.
8108 * configure.ac: Check for a sigaltstack declaration.
8109 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8110 * configure: Regenerate.
8111 * config.in: Regenerate.
8113 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8116 * Makefile.in (stmp-fixinc): Fix typo.
8118 2006-06-02 Roger Sayle <roger@eyesopen.com>
8120 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8121 are type correct. Clean-up.
8122 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8123 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8125 2006-06-01 DJ Delorie <dj@redhat.com>
8127 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8128 shift, as we've disabled the "switch" insn that needs it.
8130 2006-06-01 Per Bothner <bothner@bothner.com>
8132 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8133 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8134 * c-ppoutput.c (cb_define): Don't increment line 0.
8136 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8138 * doc/invoke.texi: Add cpu_type power6.
8139 * config.gcc: Add cpu_type power6.
8140 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8141 to power5+ with Altivec.
8142 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8143 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8145 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8147 * config/avr/avr.h (SET_ASM_OP): Define.
8149 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8151 * config/bfin/bfin.c: Fix comment typos.
8153 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8156 * doc/install.texi: Document --enable-bootstrap and
8157 --disable-bootstrap.
8159 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8161 * doc/install.texi: Document that InfoZIP can replace jar.
8163 2006-05-31 Roger Sayle <roger@eyesopen.com>
8165 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8166 isn't available, directly generate the simpler x87 patterns without
8167 the (use (const_int 0)).
8168 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8169 implementation isn't available.
8170 (*negdf2_1): Likewise.
8171 (*negxf2_1): XF mode negation is always done using the x87.
8172 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8174 2006-05-31 Roger Sayle <roger@eyesopen.com>
8176 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8177 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8179 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8181 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8183 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8184 * config/bfin/bfin.c (basic-block.h): Include.
8185 (struct machine_function): New.
8186 (bfin_init_machine_status): New.
8187 (override_options): Initialize init_machine_status.
8188 (bfin_hardware_loop): New.
8189 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8190 (DEF_VEC_P (loop_info)): New.
8191 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8192 (struct loop_info): New.
8193 (loop_info): New typedef.
8194 (struct loop_work): New.
8195 (loop_work): New typedef.
8196 (DEF_VEC_O (loop_work)): New.
8197 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8198 (bfin_dump_loops): New.
8199 (bfin_bb_in_loop): New.
8200 (bfin_scan_loop): New.
8201 (bfin_optimize_loop): New.
8202 (bfin_reorg_loops): New.
8203 (bfin_reorg): Use bfin_reorg_loops.
8204 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8206 (I_REGNO_P): Simplify.
8207 (DP_REGNO_P, DPREG_P): New macros.
8208 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8209 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8210 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8211 Add LT_REGS, LC_REGS, LB_REGS.
8212 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8214 (REGNO_REG_CLASS): Deal with loop registers.
8215 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8217 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8218 New constants for loop registers.
8219 (UNSPEC_LSETUP_END): New.
8220 (seq_insns): New define_attr. Set it for appropriate insns.
8221 (movsi_insn): Add alternatives for move from/to
8222 loop count registers.
8223 (doloop_end): New define_expand.
8224 (loop_end): New define_insn.
8225 (define_split for bad doloop_end): New.
8226 (lsetup_with_autoinit): New define_insn.
8227 (lsetup_without_autoinit): New define_insn.
8228 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8229 * config/bfin/predicates.md (lc_register_operand): New.
8230 (lt_register_operand): New.
8231 (lb_register_operand): New.
8232 (nondp_register_operand): New.
8233 (nondp_reg_or_memory_operand): New.
8234 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8236 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8238 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8239 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8241 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8243 * Makefile.in (CATALOGS): Add po/ prefix.
8244 * configure: Regenerated.
8246 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8249 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8250 a shift operand before calling shift_op. Avoid redundant call of
8253 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8254 DJ Delorie <dj@redhat.com>
8256 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8257 we're inserting is a singlt-bit constant.
8259 2006-05-30 Roger Sayle <roger@eyesopen.com>
8261 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8262 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8264 2006-05-30 Roger Sayle <roger@eyesopen.com>
8266 PR tree-optimization/23452
8267 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8268 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8269 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8270 complex values and with -ffast-math for FP complex values.
8272 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8274 * c-common.h: Remove the prototype for yyparse.
8275 * rtl.h: Remove the prototype for init_loop.
8277 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8279 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8282 2006-05-30 Roger Sayle <roger@eyesopen.com>
8284 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8286 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8287 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8289 2006-05-30 Dirk Mueller <dmueller@suse.de>
8292 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8293 for CONSTANT_CLASS_P expresisons.
8295 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8298 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8300 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8302 PR tree-optimization/27779
8303 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8304 initial_condition instead of CHREC_LEFT.
8306 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8308 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8309 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8310 Make prototypes ISO C90.
8312 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8313 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8315 * see.c (see_analyze_one_def): Correct check.
8316 (see_get_extension_data): Check if extension is parallel.
8317 (see_get_extension_reg): Likewise.
8319 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8322 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8323 into register for (code == GTU).
8325 2006-05-29 Roger Sayle <roger@eyesopen.com>
8327 PR tree-optimization/24964
8328 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8329 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8330 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8331 abs(x)*abs(x) as x*x for scalar floating point modes.
8333 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8336 * lambda-code.c (perfect_nestify): Don't copy statements
8337 in the inner loop: move them to the inner loop header.
8339 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8342 * c-tree.texi: Document OpenMP directives and clauses.
8344 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8346 * varasm.c (globalize_decl): Fix indentation.
8348 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8351 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8352 pass_fre, pass_store_ccp, pass_copy_prop,
8353 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8354 pass_return_slot, pass_object_size, pass_lim,
8355 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8356 pass_loop_prefetch and pass_stdarg.
8358 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8360 * config/bfin/bfin.opt (mfdpic): New option.
8361 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8362 (EXTRA_MULTILIB_PARTS): Likewise.
8363 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8364 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8366 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8367 (CRT_CALL_STATIC_FUNCTION): New.
8368 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8370 (CRT_CALL_STATIC_FUNCTION): New.
8371 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8373 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8374 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8375 (initialize_trampoline): Changed to handle FD-PIC code generation.
8376 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8377 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8378 (override_options): Disallow -mid-shared-library -mfdpic combination.
8379 Can't do unaligned ops if FD-PIC.
8380 Turn off flag_pic if trying to generate non-id-shared-library
8381 non-fdpic code, since it's not supported.
8382 (bfin_assemble_integer): New function.
8383 (TARGET_ASM_INTEGER): Define.
8384 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8386 * config/bfin/crtn.s: Restore them.
8387 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8389 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8390 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8391 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8392 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8393 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8395 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8396 FDPIC_REGS and FDPIC_FPTR_REGS.
8397 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8398 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8399 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8400 (load_funcdescsi): New pattern.
8401 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8402 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8403 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8405 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8407 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8410 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8412 * tree-flow.h: Remove the prototype for add_type_alias.
8413 * tree-ssa-alias.c (add_type_alias): Remove.
8415 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8417 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8418 config/fr30/fr30.md, config/i386/i386-interix.h,
8419 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8420 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8421 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8422 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8423 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8424 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8425 Follow spelling conventions.
8426 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8427 Follow spelling conventions.
8429 2006-05-27 Richard Guenther <rguenther@suse.de>
8432 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8433 to produce a constant of value 1 of generic type.
8435 2006-05-27 Dirk Mueller <dmueller@suse.de>
8437 * cgraphunit.c (decide_is_function_needed): Fix wrong
8440 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8442 PR rtl-optimization/27661
8443 * reload.c (find_reloads): When reloading a VOIDmode constant
8444 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8445 use Pmode as mode of the reload register.
8447 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8449 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8450 is enabled at -O and above.
8452 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8455 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8458 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8461 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8462 for anonymous variables explicitly declared by front ends.
8464 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8466 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8467 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8468 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8469 ref-all pointers, run a finalization pass for them.
8470 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8471 (finalize_ref_all_pointers): New function.
8472 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8473 regular pointer type to a ref-all pointer type.
8474 (get_tmt_for): Return the special memory tag for ref-all pointers.
8476 2006-05-25 Richard Guenther <rguenther@suse.de>
8479 * fold-const.c (fold_binary): Do not look at the stripped
8480 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8482 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8484 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8485 for LT and GT if the computed range is effectively empty.
8487 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8490 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8491 mips_quad_format formats instead of ieee_single_format,
8492 ieee_double_format and ieee_quad_format formats, respectively.
8494 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8496 PR tree-optimization/27639
8497 PR tree-optimization/26719
8498 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8499 call to scev_probably_wraps_p.
8500 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8501 used_in_pointer_arithmetic_p, convert_step): Removed.
8502 (nowrap_type_p): New function.
8503 (scev_probably_wraps_p): Rewritten.
8504 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8505 chrec_convert if chrec_convert_aggressive might have been used.
8506 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8507 scev_direction): New functions.
8508 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8509 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8510 instead of convert_step.
8511 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8512 (convert_step): Declaration removed.
8513 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8515 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8517 * df-core.c: Added to header comments.
8518 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8519 df_ur_bb_info, df_urec_bb_info): Added comments.
8520 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8521 urec, ri problems): Fixed header comments.
8522 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8523 code from df_rd_transfer_function.
8525 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8527 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8528 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8529 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8531 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8533 * expr.c (undefined_operand_subword_p): New.
8534 (emit_move_multi_word): Do not generate move from undefined bits
8535 of a paradoxical subreg.
8537 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8539 PR rtl-optimization/27736
8540 * combine.c (replaced_rhs_value): New variable.
8541 (combine_instructions): Set it.
8542 (distribute_notes): When distributing a note in replaced_rhs_insn,
8543 check whether the value was used in replaced_rhs_value.
8545 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8548 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8549 add_referenced_var instead of add_referenced_tmp_var.
8550 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8551 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8553 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8554 tree_optimize_tail_calls_1): Use add_referenced_var.
8555 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8556 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8557 Use add_referenced_var.
8558 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8559 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8560 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8561 Use add_referenced_var.
8562 * tree-dfa.c (struct walk_state): Remove.
8563 (find_referenced_vars): Remove walk state and vars_found hash table.
8564 (make_rename_temp): Use add_referenced_var.
8565 (find_vars_r): Pass less parameters to add_referenced_var.
8566 (referenced_var_p): New. Is var in referenced_var hash table.
8567 (referenced_var_insert): Assert var isn't already in hash table.
8568 (add_referenced_var): Don't need walk_state parameter. Add var if it
8569 isn't already in the hash table.
8570 (add_referenced_tmp_var): Remove.
8571 (find_new_referenced_vars_1): Use add_referenced_var.
8572 * tree-ssa-pre.c (create_expression_by_pieces,
8573 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8574 Use add_referenced_var.
8575 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8576 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8577 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8579 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8580 vect_create_data_ref_ptr, vect_create_destination_var,
8581 vect_init_vector, vect_build_loop_niters,
8582 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8583 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8584 Use add_referenced_var.
8585 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8586 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8587 (add_referenced_var): Add prototype.
8588 * tree-ssa-structalias.c (get_constraint_for,
8589 intra_create_variable_infos): Use add_referenced_var.
8591 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8593 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8594 big-endian paradoxical subregs.
8595 * var-tracking.c (struct micro_operation_def): Document that,
8596 for modify micro operations, insn is the subsequent instruction.
8597 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8598 (var_reg_set, var_mem_set): ... new functions.
8599 (add_stores): Record subsequent insn.
8600 (compute_bb_dataflow): Use new functions for MO_USE.
8601 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8602 notes after the insn, and modify notes before the insn known
8603 to be the subsequent one.
8604 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8606 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8609 * config/i386/i386.c (ix86_expand_builtin): Use
8610 gen_sse3_monitor64 for TARGET_64BIT.
8612 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8614 PR rtl-optimization/26375
8615 PR rtl-optimization/26855
8616 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8618 (df_ru_bb_local_compute): Reversed statements and removed bogus
8619 comment explaining why they should be in wrong order.
8620 (df_ru_dump, df_rd_dump): Enhanced debug info.
8621 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8623 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8624 reaching uses and fixed space problem.
8626 2006-05-23 Jan Hubicka <jh@suse.cz>
8628 * cgraphunit.c (decide_is_function_needed): Also nested functions
8629 and functions declared inline can be optimized out at -O0.
8631 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8633 * doc/install.texi (Configuration): Remove reference to CrossGCC
8637 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8640 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8641 ix86_compare_emitted is non-NULL.
8643 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8646 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8649 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8651 PR rtl-optimization/25514
8652 * combine.c (replaced_rhs_insn): New variable.
8653 (combine_instructions): Set replaced_rhs_insn when trying to replace
8654 a SET_SRC with a REG_EQUAL note.
8655 (distribute_notes): Use replaced_rhs_insn when determining the live
8656 range of a REG_DEAD register.
8658 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8659 Anatoly Sokolov <aesok@post.ru>
8661 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8662 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8663 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8664 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8665 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8666 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8667 at90usb647, at90usb1286 and at90usb1287 devices.
8668 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8669 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8671 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8673 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8675 2006-05-22 Richard Guenther <rguenther@suse.de>
8678 2006-01-31 Richard Guenther <rguenther@suse.de>
8679 Paolo Bonzini <bonzini@gnu.org>
8681 * doc/install.texi (--disable-libgcc-math): Document.
8683 2006-05-22 Richard Guenther <rguenther@suse.de>
8686 2006-01-31 Richard Guenther <rguenther@suse.de>
8688 * doc/invoke.texi (-msselibm): Document.
8689 * target.h (expand_library_builtin): New target hook.
8690 * builtins.c (expand_builtin): Use expand_library_builtin.
8691 (default_expand_library_builtin): New function.
8692 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8693 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8694 (link_gcc_math_spec): Declare.
8695 (static_specs): Add link_gcc_math_spec.
8696 * expr.h (default_expand_library_builtin): Declare.
8697 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8698 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8699 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8700 * config/i386/i386.opt (msselibm): New target option.
8701 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8702 (ix86_init_sse_abi_builtins): New function.
8703 (ix86_expand_library_builtin): Likewise.
8704 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8705 (override_options): Handle error conditions wrt -msselibm.
8706 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8707 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8708 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8711 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8714 * c-common.c (self_promoting_args_p): Skip erroneous args.
8717 * c-decl.c (finish_struct): Skip erroneous fields.
8719 2006-05-22 Nick Clifton <nickc@redhat.com>
8721 * config/cris/cris.opt (march): Remove VarExists attribute.
8722 (max-stackframe=): Likewise.
8724 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8726 * doc/rtl.texi: Fix a typo.
8727 * see.c: Fix comment typos.
8729 * tree-ssa-structalias.h (alias_info): Remove num_references.
8731 2006-05-21 Mike Stump <mrs@apple.com>
8733 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8735 (darwin_pragma_options): Use BAD instead.
8736 (darwin_pragma_unused): Likewise.
8737 (darwin_pragma_ms_struct): Likewise.
8739 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8741 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8743 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8745 PR rtl-optimization/27671
8746 * simplify-rtx.c (simplify_relational_operation_1): Fix
8747 simplifications of (eq/ne (xor x y) y) and
8748 (eq/ne (xor x y) x).
8750 PR tree-optimization/26622.
8751 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8754 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8756 * tree-cfg.c: Prune whitespace.
8757 (debug_tree_cfg): Point to correct header containing the
8760 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8763 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8765 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8768 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8769 or sorry count is non zero.
8771 2006-05-20 Andreas Schwab <schwab@suse.de>
8773 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8775 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8776 Kenneth Zadeck <zadeck@naturalbridge.com>
8778 PR rtl-optimization/26855
8780 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8782 (df_scan_alloc): Added code to properly handle multiword hard
8783 registers and add all_blocks parameter.
8784 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8785 code to properly handle multiword hard registers.
8786 (df_rescan_blocks): Added code to remove deleted blocks from
8788 (df_ref_create_structure, df_ref_record): Added code to properly
8790 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8791 and set DF_REF_PARTIAL.
8792 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8793 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8794 (df_scan_add_problem): Added flags parameter.
8795 (df_ref_create_structure): Changed switching structure.
8796 (df_bb_refs_record): Fixed case where duplicate artificial refs
8797 were created. Changed location of flags.
8798 (df_record_entry_block_defs): Added code to make stack pointer
8799 live in entry block. Refined cases where frame pointer is needed.
8800 Changed location of flags.
8801 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8802 (df_set_state): Removed function.
8803 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8804 df_insn_create_insn_record, df_insn_refs_delete,
8805 df_ref_create_structure): Formatting changes.
8806 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8807 df_delete_basic_block): New function.
8808 (df_init): Changed location of flags.
8809 (df_add_problem): Added flags parameter and the way flags are
8811 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8812 debug_df_chain): Improved debugging output.
8813 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8814 (df_refs_chain_dump): Removed df parameter.
8815 (df_iterative_dataflow): Added consistency check.
8816 (df_prune_to_subcfg): Made public.
8817 (df_analyze_problem): Added blocks_to_init parameter and made
8819 (df_ref_record, df_bb_refs_record, df_mark_reg,
8820 df_record_exit_block_uses): Whitespace changes.
8821 (df_dump): Whitespace changes.
8822 * df.h: Some reordering to remove forward references.
8823 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8824 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8825 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8826 (dataflow.flags): New field.
8827 (df.flag): Deleted field.
8828 (df_alloc_function): Added additional bitmap parameter.
8829 (df_dependent_problem_function): New type.
8830 (df_problem.changeable_flags): New field.
8831 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8832 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8833 (df_mw_hardreg): New struct.
8834 (DF_INSN_UID_MWS): New macro.
8835 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8837 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8838 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8839 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8840 (df_set_state): Removed function.
8841 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8842 * df-problems.c (df_chain_dump): Removed df parameter.
8843 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8844 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8846 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8847 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8848 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8849 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8850 DF_REF_MUST_CLOBBER cases.
8851 (df_ru_bb_local_compute_process_def,
8852 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8853 df_lr_bb_local_compute, df_ur_bb_local_compute,
8854 df_chain_create_bb): Made subreg aware.
8855 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8856 df_lr_bb_local_compute, df_lr_bb_local_compute,
8857 df_chain_create_bb): Cleanup to use proper macros.
8858 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8859 code to fixup bitvectors.
8860 (df_ri_alloc): Cleared lifetime.
8861 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8862 df_create_unused_note): New function.
8863 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8864 REG_DEAD and REG_UNUSED notes as well as register information.
8865 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8866 df_chains_dump): Fixed crash if problem was never run.
8867 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8868 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8869 df_ri_add_problem): Processes flags in uniform manner.
8870 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8871 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8872 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8873 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8874 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8875 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8876 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8877 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8878 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8879 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8880 * see.c (see_initialize_data): Ditto.
8881 * final.c (rest_of_clean_state) Added regstack_completed.
8882 * rtl.h (regstack_completed): Ditto.
8883 * reg-stack.c (regstack_completed): Ditto.
8885 2006-05-19 Mike Stump <mrs@apple.com>
8887 * c-tree.h (default_conversion): Remove.
8888 * c-common.h (default_conversion): Add.
8890 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8892 * tree-vrp.c (valid_value_p): New function.
8893 (adjust_range_with_scev): Fail if the value of bound is not
8896 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8898 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8899 (mips_fallback_frame_state): Use syscall numbers to determine
8900 the appropriate li instruction for the current ABI. Only use
8901 __NR_sigreturn for o32.
8903 2006-05-19 Nicolas Setton <setton@adacore.com>
8905 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8906 * langhooks.c (lhd_dwarf_name): New function.
8907 * langhooks-def.h (lhd_dwarf_name): Declare.
8908 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8909 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8911 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8913 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8915 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8916 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8917 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8918 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8919 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8920 determine the size of Wtype, etc.
8921 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8922 (swfloatfuncs): New variable.
8923 (dwfloatfuncs): Likewise.
8924 (lib2funcs): Remove floating-point conversion functions from
8925 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8926 the set of conversion routines needed. Allow entries to specify
8927 an object name, filename and word size. Update users accordingly.
8928 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8929 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8933 2006-02-08 Roger Sayle <roger@eyesopen.com>
8936 * config/fixtfdi.c: New libgcc source file.
8937 * config/fixunstfdi.c: New source file.
8938 * config/floatditf.c: New source file.
8939 * config/floatunditf.c: New souce file.
8940 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8941 files above instead of config/mips/_tilib.c.
8942 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8944 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8946 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8947 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8949 2006-05-18 Mike Stump <mrs@apple.com>
8951 Fix up vla, vm and [*] sematics.
8957 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8958 (c_vla_unspec_p): Add.
8959 (c_vla_type_p): Add.
8960 * c-decl.c (struct c_scope): Add had_vla_unspec.
8961 (build_array_declarator): Add support for [*].
8962 (grokdeclarator): Likewise.
8963 (grokparms): Likewise.
8964 (get_parm_info): Likewise.
8965 * c-objc-common.c (c_vla_unspec_p): Likewise.
8966 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8967 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8968 typeof when argument is a variably modified type not inside sizeof or alignof.
8969 (c_parser_direct_declarator_inner): Propagate errors.
8970 (c_parser_sizeof_expression): Add support for [*].
8971 (c_parser_parms_declarator): Initialize had_vla_unspec.
8972 (c_parser_parms_list_declarator): Likewise.
8973 * c-typeck.c (c_vla_type_p): Add.
8974 (composite_type): Add support for vla compositing.
8975 (comptypes_internal): Add support for vla compatibility.
8976 (c_expr_sizeof_expr): Evaluate vla arguments.
8977 * tree.c (variably_modified_type_p): Update comment for [*].
8979 2006-05-18 Michael Matz <matz@suse.de>
8982 * config.host: Make assignments to host_xmake_file cumulative.
8983 * config.host (*-darwin*): Test $host, not $target.
8985 2006-05-12 Stuart Hastings <stuart@apple.com>
8987 * config/i386/i386.opt (-mstackrealign): New flag.
8988 * config/i386/i386.c (force_align_arg_pointer): New attribute.
8989 (ix86_handle_cconv_attribute): Emit error when
8990 force_align_arg_pointer attribute collides with too many regparms.
8991 (ix86_function_regparm): Limit regparms when used with
8992 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
8993 Support stack-realigning prologue in non-main functions. Emit
8994 warning for nested functions under -mstackrealign, emit error for
8995 nested functions with force_align_arg_pointer attribute.
8996 * doc/extend.texi (force_align_arg_pointer): Document it.
8997 * doc/invoke.texi (-mstackrealign): Document it.
8999 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9001 PR rtl-optimization/27477
9002 * combine.c (try_combine): Don't split a parallel consisting
9003 of two sets into two individual sets if both sets reference
9006 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9008 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9009 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9011 * doc/options.texi (VarExists): Updated.
9013 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9015 * unwind-dw2.c: Add declarations for uw_update_context and
9017 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9018 detected, advance frame state and context once to skip over stub.
9020 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9024 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9025 Call rewrite_into_loop_closed_ssa only when something changed.
9026 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9027 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9028 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9029 Test for perfect_nest_p here. Fix formating.
9030 (replace_uses_equiv_to_x_with_y): Fix formating.
9031 (stmt_uses_op): Removed.
9032 (can_convert_to_perfect_nest): Removed loopivs parameter.
9033 Complete the test by checking the scalar dependences.
9034 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9037 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9040 From Dan Kegel <dank@kegel.com>:
9041 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9043 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9045 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9046 if the element type is variably modified without recursing.
9048 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9051 * tree-loop-linear.c (try_interchange_loops): Test for
9052 no data dependences.
9054 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9056 PR tree-optimization/27548
9057 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9058 range of ssa names that appear on abnormal edges.
9059 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9060 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9062 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9065 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9067 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9070 * tree.h (OMP_PARALLEL_COMBINED): Define.
9071 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9072 (new_omp_context): Add is_combined_parallel argument.
9073 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9074 new_omp_context caller.
9075 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9076 Adjust gimplify_scan_omp_clauses callers.
9077 (omp_is_private): Issue errors if iteration variable is firstprivate
9078 or reduction in the current context.
9079 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9080 on combined parallel workshare constructs.
9082 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9084 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9085 (gcc-options.o): New rule.
9087 * optc-gen.awk: Protect variables for gcc-options.o with
9088 #ifdef GCC_DRIVER/#endif.
9090 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9092 Fix PR tree-optimization/27373
9093 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9094 (forward_propagate_addr_expr): Update call.
9096 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9098 * doc/options.texi: Move the Negative option.
9100 2006-05-16 Richard Guenther <rguenther@suse.de>
9102 PR tree-optimization/22303
9103 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9105 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9106 ccp_fold did not simplify the statement.
9108 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9111 * Makefile.in (GCC_OBJS): New.
9112 (OBJS-common): Add opts-common.o.
9113 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9114 (cpp$(exeext)): Likewise.
9115 (gcc.o): Also depend on opts.h.
9116 (opts-common.o): New.
9118 * common.opt (gcoff): Add Negative(gdwarf-2).
9119 (gdwarf-2): Add Negative(gstabs).
9120 (gstabs): Add Negative(gstabs+).
9121 (gstabs+): Add Negative(gvms).
9122 (gvms): Add Negative(gxcoff).
9123 (gxcoff): Add Negative(gxcoff+).
9124 (gxcoff+): Add Negative(gcoff).
9125 * config/i386/i386.opt (m32): Add Negative(m64).
9126 (m64): Add Negative(m32).
9128 * doc/options.texi: Document the Negative option.
9130 * gcc.c: Include "opts.h".
9131 (main): Call prune_options after expandargv.
9133 * optc-gen.awk: Generate common declarations for all flag
9134 variables in options.c. Output the neg_index field.
9136 * opts.c (find_opt): Moved to ...
9137 * opts-common.c: Here. New file.
9139 * opts.h (cl_option): Add a neg_index field.
9141 (prune_options): Likewise.
9143 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9146 * omp-low.c (expand_omp_parallel): Don't assert
9147 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9148 instead search for it.
9151 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9154 2006-05-16 Andreas Schwab <schwab@suse.de>
9156 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9159 2006-05-15 Roger Sayle <roger@eyesopen.com>
9162 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9163 integer constants other than zero are only legitimate on TARGET_64BIT.
9164 <CONST_VECTOR> Only zero vectors are legitimate.
9165 (ix86_cannot_force_const_mem): Integral and vector constants can
9166 always be put in the constant pool.
9168 2006-05-16 DJ Delorie <dj@redhat.com>
9170 * crtstuff.c (__dso_handle): Set section from
9171 TARGET_LBIGCC_SDATA_SECTION if defined.
9172 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9173 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9175 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9178 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9181 2006-05-16 Ben Elliston <bje@au.ibm.com>
9183 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9185 2006-05-15 Per Bothner <per@bothner.com>
9187 * tree.c: (last_annotated_node): Use source_locus typedef.
9188 This permits bootstrapping with --enable-mapped-location.
9190 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9192 PR tree-optimization/26830
9193 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9194 (info_for_ssa_name, current_info_for_ssa_name_age,
9195 blocks_to_update): New variables.
9196 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9197 (clear_ssa_name_info, initialize_flags_in_bb,
9198 mark_block_for_update): New functions.
9199 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9200 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9201 prepare_def_site_for): Use mark_block_for_update.
9202 (mark_def_interesting): Assert that the processed block is marked in
9203 blocks_to_update. Do not take blocks argument.
9204 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9206 (rewrite_update_init_block, rewrite_update_stmt): Only process
9207 blocks with statements to rewrite.
9208 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9209 (update_ssa): Initialize and free blocks_to_update. Do not
9210 clear flags on statements. Do not use blocks bitmap.
9211 * tree.h (SSA_NAME_AUX): Removed.
9212 (struct tree_ssa_name): Removed aux field.
9213 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9215 2006-05-15 Richard Guenther <rguenther@suse.de>
9217 PR tree-optimization/27603
9218 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9219 Do computations in original type.
9221 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9223 * see.c: Code style changes such as redundant paranthesis,
9224 redundant intialization of local variables etc.
9225 (see_main): Declared now as static.
9226 * doc/invoke.texi: Update that -fsee is not enabled by
9229 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9231 * omp-low.c (check_omp_nesting_restrictions): New function.
9232 (scan_omp_1): Call it.
9235 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9236 construct, return *VAR.
9238 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9240 PR rtl-optimization/27406
9241 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9244 2006-05-14 Roger Sayle <roger@eyesopen.com>
9246 PR rtl-optimization/27538
9247 * combine.c (expand_compound_operation): Call gen_lowpart
9248 before calling simplify_shift_const.
9250 2006-05-14 Roger Sayle <roger@eyesopen.com>
9252 PR rtl-optimization/22563
9253 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9254 a fixed width bitfield, always force the intermediates into psuedos.
9256 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9259 * mkconfig.sh: Use operator = instead of == for test.
9261 2006-05-13 Nick Clifton <nickc@redhat.com>
9263 * dwarf2out.c (dbx_reg_number): Check return value from
9264 LEAF_REG_REMAP and only use it if it is valid.
9265 (multiple_reg_loc_descriptor): Likewise.
9267 2006-05-13 Richard Guenther <rguenther@suse.de>
9269 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9272 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9274 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9275 information attached to non-INSNs such as NOTEs.
9276 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9278 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9280 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9282 * config/s390/s390.md: Adjust comment describing On constraint.
9284 2006-05-11 Jan Hubicka <jh@suse.cz>
9286 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9287 to be output at -O0.
9289 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9292 * fold-const.c (size_binop): Move sanity check for arguments to
9293 the beginning of the function.
9296 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9299 2006-05-11 Richard Guenther <rguenther@suse.de>
9302 * fold-const.c (fold_unary): Handle intermediate conversion
9303 to a pointer type like intermediate conversion to an integer
9304 type in folding of (T1)(T2)var to var.
9305 Match the code to the comment in the final conversion for
9306 (T1)(T2)var to (T1)var regarding to type precision. Rather
9307 than disallow T1 being of pointer type, assert that both T1
9308 and var are of pointer type or not. Make sure not to fall
9309 over the frontends lazyness wrt array to pointer decay though.
9311 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9313 * arm.c (arm_struct_value_rtx): Delete.
9314 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9315 (arm_init_cumulative_args): Always initialize nregs to zero.
9317 2006-05-10 Richard Guenther <rguenther@suse.de>
9319 PR tree-optimization/27532
9320 * tree-object-size.c (plus_expr_object_size): Fix typo.
9322 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9325 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9326 ashrdi_const, ashrdi3): Use a scratch register.
9328 2006-05-10 Richard Guenther <rguenther@suse.de>
9330 PR tree-optimization/27302
9331 * fold-const.c (operand_equal_p): For two comparisons,
9332 try comparison of one comparison code swapped if that yields
9335 2006-05-10 Ben Elliston <bje@au.ibm.com>
9337 * tree-pretty-print.c (pretty_print_string): No need to handle
9338 '\0' as a special character.
9340 * tree.h: Include "hashtab.h".
9341 (iterative_hash_expr): Use hashval_t in its prototype.
9342 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9344 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9347 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9348 (hppa*64*-*-hpux11*): Ditto.
9349 (hppa[12]*-*-hpux11*): Ditto.
9351 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9354 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9356 2006-05-09 Michael Matz <matz@suse.de>
9358 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9359 host_extra_gcc_objs and host_xmake_file.
9360 (<*-*-linux*>): Don't overwrite host_xmake_file.
9361 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9362 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9363 (host_detect_local_cpu): Declare.
9364 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9365 * config/i386/i386.c (override_options): Handle -mtune=native
9367 * config/i386/x-i386: New file.
9368 * config/i386/driver-i386.c: New file.
9369 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9372 2006-05-09 Dirk Mueller <dmueller@suse.de>
9373 Richard Guenther <rguenther@suse.de>
9376 * fold-const.c (fold_read_from_constant_string): Relax check
9377 for matching types to matching modes.
9379 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9381 PR rtl-optimization/27335
9382 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9385 2006-05-08 Chao-ying Fu <fu@mips.com>
9386 Richard Sandiford <richard@codesourcery.com>
9388 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9389 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9390 * config/mips/mips.md (UNSPEC_SCC): New constant.
9391 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9392 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9393 (mips_emit_compare): Use it.
9394 (mips_expand_vcondv2sf): New function.
9396 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9398 Fix PR tree-optimization/27093
9399 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9400 renaming when they become not-used_alone.
9402 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9404 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9405 relocation and relocation stubs.
9407 2006-05-08 Eric Christopher <echristo@apple.com>
9409 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9412 2006-05-08 Jan Hubicka <jh@suse.cz>
9415 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9416 unused static functions are needed.
9418 2006-05-08 Roger Sayle <roger@eyesopen.com>
9421 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9422 of a reg_equiv_constant if the result is a legitimate constant.
9424 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9427 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9428 standard 80387 constants, raise the cost to prevent
9429 compress_float_constant() to generate load from memory.
9431 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9433 * config/arm/constraints.md (c): Fix a typo.
9435 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9438 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9441 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9443 (_mm_mwait): Likewise.
9445 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9447 (sse3_monitor): Make it 32bit only.
9448 (sse3_monitor64): New. 64bit monitor.
9450 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9453 * config/i386/i386.c (classify_argument): Skip fields with invalid
9456 2006-05-07 Richard Guenther <rguenther@suse.de>
9458 PR tree-optimization/27409
9459 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9460 Do not try to find zero-sized subvars.
9462 2006-05-07 Richard Guenther <rguenther@suse.de>
9464 PR tree-optimization/27136
9465 * tree-ssa-loop-niter.c (get_val_for): Correct function
9466 comment, assert requirements.
9467 (loop_niter_by_eval): Stop processing if the iterated
9468 value did not simplify.
9470 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9472 * opts.c (flag_see): remove its setting at -O3.
9474 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9476 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9477 * arm/constraints.md: New file.
9478 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9479 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9480 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9481 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9482 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9483 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9484 * arm.md: Include constraints.md.
9485 (thumb_movsi_insn): Use satisfies_constraint_J.
9486 (movhi, movqi): Use satisfies_constraint_I.
9488 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9490 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9491 for atmeg a645 device.
9493 2006-05-06 Richard Guenther <rguenther@suse.de>
9495 PR tree-optimization/27151
9496 * tree-vect-transform.c (vectorizable_condition): Punt on
9497 values that have a different type than the condition.
9499 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9502 * c-parser.c (c_parser_cast_expression): Only insert casts into
9503 hash table if pointer.
9504 * function.c (used_types_insert_helper): Rename from
9506 (used_types_insert): Call used_types_insert_helper.
9507 * function.h (used_types_insert): Accept only one argument.
9509 2006-05-05 David Edelsohn <edesohn@gnu.org>
9511 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9512 scratch with output modifier.
9514 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9517 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9518 with output modifier.
9520 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9523 * config/mips/mips.c (mips_symbolic_address_p): Return true
9524 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9525 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9527 2006-05-04 Richard Guenther <rguenther@suse.de>
9529 PR tree-optimization/14287
9530 PR tree-optimization/14844
9531 PR tree-optimization/19792
9532 PR tree-optimization/21608
9533 PR tree-optimization/27090
9534 * tree-ssa-pre.c (try_combine_conversion): New function.
9535 (compute_avail): After constructing the value-handle
9536 expression, use try_combine_conversion to combine NOP_EXPRs
9537 with previous value-handle expressions and use the result if it
9540 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9542 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9544 2006-05-04 Jan Hubicka <jh@suse.cz>
9547 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9549 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9551 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9552 that this only matches CONST_INTs. All users changed to VOIDmode
9555 * config/bfin/bfin.c: Include "optabs.h".
9556 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9558 (enum bfin_builtins): Add a number of fractional and vector builtins.
9559 (bfin_init_builtins): Likewise.
9560 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9561 (safe_vector_operand, bfin_expand_binop_builtin,
9562 bfin_expand_unop_builtin): New functions.
9563 (bfin_expand_builtin): Handle the new builtins.
9564 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9567 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9570 * Makefile.in (OBJS-common): Add see.o.
9571 (see.o): Add dependencies.
9572 * common.opt (fsee): New flag for the see optimization was added.
9573 * opts.c (flag_see): Initialized.
9574 * passes.c (init_optimization_passes, pass_see): New pass.
9575 * rtl.h (see_main): Declaration as extern.
9576 * timevar.def (TV_SEE): New.
9577 * tree-pass.h (pass_see): Declaration as extern.
9578 * invoke.texi (-fsee): Document.
9579 * recog.c (validate_simplify_insn): New function.
9580 * recog.h (validate_simplify_insn): Declaration as extern.
9581 * df-problems.c (df_chain_dump): Check for NULL.
9583 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9584 Daniel Berlin <dberlin@dberlin.org>
9586 * cfgrtl.c (insert_insn_bb_end_new): New function.
9587 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9589 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9591 * df.h (struct web_entry): Moved from web.c.
9592 (union_defs): Declaration as extern.
9593 (unionfind_root): Likewise.
9594 (unionfind_union): Likewise.
9595 * web.c (struct web_entry): Moved to df.h.
9596 (unionfind_root): Remove static declaration.
9597 (unionfind_union): Likewise.
9598 (union_defs): Likewise and generalize to use callback function.
9599 (web_main): Update arguments for union_defs function call.
9601 2006-05-04 Richard Guenther <rguenther@suse.de>
9603 PR tree-optimization/26447
9604 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9605 produce SSA_NAME copies before the store stmt to avoid
9606 breaking exception handling.
9608 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9611 * gimplify.c (omp_is_private): If var is shared in some outer context,
9612 return false instead of true. Stop searching on parallel context
9615 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9618 * coverage.c: Use get_gcov_unsigned_t() instead of
9619 unsigned_type_node all over.
9621 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9623 PR tree-optimization/27381
9624 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9625 maintain the same immediate_use links.
9626 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9627 node rather than segfaulting.
9629 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9632 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9633 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9634 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9636 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9638 Fix PR tree-optimization/26626
9639 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9641 * tree-ssa-operands.c (access_can_touch_variable): Allow
9642 typecasting through union pointers.
9644 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9647 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9648 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9649 to find if var will be a global variable even in the nested context.
9650 (omp_copy_decl): Only check for global variable at the end, it might
9651 be overridden in outer contexts.
9652 (scan_sharing_clauses): For global variables don't create a field.
9653 (lower_rec_input_clauses): Do nothing for global shared variables.
9654 Emit a barrier at the end of ILIST if there were any decls in both
9655 firstprivate and lastprivate clauses.
9656 (lower_send_clauses): Do nothing for global variables except for
9659 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9661 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9662 of the correct signedness is returned.
9664 2006-05-02 Jeff Law <law@redhat.com>
9666 PR tree-optimization/27364
9667 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9668 multiply expressions.
9670 2006-05-02 Tom Tromey <tromey@redhat.com>
9672 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9674 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9677 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9678 -mthumb -fPIC are used.
9680 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9681 Joshua Kinard <kumba@gentoo.org>
9684 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9685 with 64-bit pointers.
9687 2006-05-02 Paul Brook <paul@codesourcery.com>
9689 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9691 (create_fix_barrier): Check that a suitable barrier location is
9693 (arm_reorg): Include ftmp->address in allowable range of addresses.
9695 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9698 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9701 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9704 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9705 around RESULT_DECL for result passed by reference.
9706 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9707 * omp-low.c (use_pointer_for_field): Don't look at
9708 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9709 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9710 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9711 time or var for passing by reference for
9712 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9713 TREE_ADDRESSABLE variables when passing by reference.
9715 * omp-low.c (dump_omp_region): Fix output formatting.
9718 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9719 (expand_omp_parallel): Likewise.
9720 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9723 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9724 on statement list containing also constructors and destructors.
9725 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9728 * except.c (duplicate_eh_regions): Fix clearing of
9729 cfun->eh->region_array entries.
9731 2006-05-01 DJ Delorie <dj@redhat.com>
9733 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9735 (gcc_cv_objdump): Likewise.
9736 * configure: Regenerated.
9738 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9741 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9742 templates for case 3 and 4.
9744 2006-05-01 DJ Delorie <dj@redhat.com>
9746 * vec.c: Include bconfig.h when appropriate.
9747 * Makefile.in (build/vec.o): Adjust dependencies.
9748 * mkconfig.sh: Make sure config.h isn't used for build machine
9751 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9753 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9755 (mark_phi_for_rewrite): New function.
9756 (insert_phi_nodes_for, mark_use_interesting): Call
9757 mark_phi_for_rewrite.
9758 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9759 (update_ssa): Initialize and free phis_to_rewrite.
9761 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9763 PR rtl-optimization/27291
9764 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9765 folded to a constant.
9767 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9769 PR tree-optimization/27283
9770 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9771 not whole # of iteration descriptions.
9772 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9773 uses abnormal ssa name.
9774 (niter_for_single_dom_exit): Ditto.
9775 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9776 return just the number of iterations.
9778 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9780 PR tree-optimization/27144
9781 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9782 (record_estimate): Only record constant upper bound.
9783 (infer_loop_bounds_from_undefined): Call
9784 compute_estimated_nb_iterations just once.
9785 (proved_non_wrapping_p): Renamed to ...
9786 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9787 (convert_step_widening, scev_probably_wraps_p): Call
9788 n_of_executions_at_most instead of proved_non_wrapping_p.
9789 (substitute_in_loop_info): Do not replace values in bounds.
9790 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9793 2006-05-01 Richard Henderson <rth@redhat.com>
9796 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9797 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9800 2006-05-01 Roger Sayle <roger@eyesopen.com>
9802 * c-typeck.c (parser_build_binary_op): Don't call the function
9803 unsigned_conversion_warning to spot operand/result type overflow.
9804 (build_binary_op): Instead, call convert_and_check instead of
9805 convert to report the problem when the operands are promoted.
9806 * c-common.c (unsigned_conversion_warning): Make static.
9807 * c-common.h (unsigned_conversion_warning): Delete prototype.
9809 2006-05-01 Richard Guenther <rguenther@suse.de>
9811 PR tree-optimization/26726
9812 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9814 (find_interesting_uses_address): ... we work around here
9815 by folding INDIRECT_REFs in the substituted base.
9817 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9819 * omp-low.c (dump_omp_region): Add newlines.
9821 2006-04-30 Roger Sayle <roger@eyesopen.com>
9823 * common.opt (Woverflow): New command line option.
9824 * c-common.c (constant_expression_warning): Check warn_overflow.
9825 (overflow_waring): Pass OPT_Woverflow to warning.
9826 (unsigned_conversion_warning): Likewise.
9827 (convert_and_check): Likewise.
9828 * doc/invoke.texi: Document new command line option.
9830 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9832 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9833 TARGET_NO_FP_IN_TOC for section anchors.
9834 (optimization_options): Enable section anchors for all
9835 non-"Objective" languages.
9837 2006-04-28 Eric Christopher <echristo@apple.com>
9839 * config/darwin-c.c (darwin_ms_struct): Move this
9840 (darwin_set_default_type_attributes): and this...
9841 * config/darwin.c: ... here.
9842 * config/darwin.h (darwin_ms_struct): Declare.
9844 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9846 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9848 2006-04-28 Roger Sayle <roger@eyesopen.com>
9851 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9852 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9853 an unsigned HOST_WIDE_INT.
9854 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9856 (really_start_incremental_init): No need to call convert because
9857 bitsize_zero_node is already of type bitsizetype.
9858 (push_init_level): Extract the value of constructor_index as an
9859 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9860 (process_init_element): Likewise.
9862 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9864 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9865 value before passing to make_relative_prefix.
9867 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9870 * builtins.c (expand_builtin_memset): Expand val in original mode.
9872 2006-04-27 Eric Christopher <echristo@apple.com>
9874 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9875 with #ifndef/#endif.
9876 * config/darwin-c.c (darwin_ms_struct): New.
9877 (darwin_pragma_ms_struct): Ditto.
9878 (darwin_set_default_type_attributes): Ditto.
9879 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9880 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9881 Register ms_struct pragma.
9882 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9883 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9884 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9885 darwin_set_default_type_attributes if TARGET_MACHO.
9887 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9889 PR tree-optimization/26854
9890 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9891 * doc/tree-ssa.texi: Update immuse iterator documentation.
9892 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9894 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9895 first_safe_imm_use, next_safe_imm_use): Remove.
9896 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9897 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9898 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9899 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9900 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9901 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9902 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9903 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9904 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9905 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9906 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9907 (perfect_nestify): Use new iterator.
9908 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9910 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9911 (next_imm_name): New field in struct immediate_use_iterator_d.
9912 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9913 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9914 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9915 * tree-cfg.c (replace_uses_by): Use new iterator.
9916 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9917 * tree-ssa-operands.c (correct_use_link): Remove.
9918 (finalize_ssa_use_ops): No longer call correct_use_link.
9920 2006-04-27 Stuart Hastings <stuart@apple.com>
9922 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9923 * config/t-darwin (crt3.o): Use it.
9924 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9925 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9926 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9927 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9928 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9931 2006-04-27 Roger Sayle <roger@eyesopen.com>
9933 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9934 size, force the intermediate into a new pseudo rather instead of
9935 performing both a bitwise AND and a bitwise IOR in memory.
9937 2006-04-27 Richard Guenther <rguenther@suse.de>
9939 PR rtl-optimization/26685
9940 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9941 this one "max-flow-memory-locations".
9943 2006-04-27 Richard Guenther <rguenther@suse.de>
9945 PR tree-optimization/25148
9946 * tree-vrp.c (compare_values): Remove code dealing with
9947 comparisons against type min/max value. Honour overflow
9948 and negative constants in code dealing with comparisons
9949 of plus and minus expressions.
9950 (value_inside_range): Use fold_binary with LE_EXPR and
9951 GE_EXPR rather than compare_values.
9953 2006-04-27 Dirk Mueller <dmueller@suse.de>
9955 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9958 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9960 * basic-block.h (safe_insert_insn_on_edge): Removed.
9961 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9963 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9964 Paolo Bonzini <bonzini@gnu.org>
9967 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9968 (simplify_and_const_int): Same.
9970 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9972 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9974 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9977 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9978 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9979 cgraph_global_info_ready.
9982 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9985 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9986 either decl or init is error_mark_node.
9989 * tree-flow.h (struct omp_region): Add sched_kind.
9990 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
9991 instead of extracting omp for data.
9992 (expand_omp_for): Save extracted sched_kind.
9994 2006-04-25 Roger Sayle <roger@eyesopen.com>
9996 * expmed.c (store_bit_field): Also check whether the bitsize is
9997 valid for the machine's "insv" instruction before moving the
9998 target into a pseudo for use with the insv.
9999 * config/i386/predicates.md (const8_operand): New predicate.
10000 * config/i386/i386.md (extv, extzv, insv): Use the new
10001 const8_operand predicate where appropriate.
10003 2006-04-25 DJ Delorie <dj@redhat.com>
10005 * doc/install.texi (Specific): Clarify that this is not a list of
10006 supported hosts or targets.
10008 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10010 PR rtl-optimization/26725
10011 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10012 block's BB_DIRTY flag.
10014 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10016 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10019 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10020 to print an integer.
10022 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10024 * varasm.c (align_variable): New function.
10025 (get_block_for_decl): Apply align_variable to DECL before
10026 calculating section information.
10027 (assemble_variable): Split out alignment computation.
10029 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10031 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10034 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10036 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10037 MODE_PARTIAL_INT mode.
10038 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10039 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10041 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10042 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10044 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10046 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10048 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10049 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10050 MACFLAG_IH): Likewise.
10051 (movstricthi_1): Renamed from "*movstricthi".
10052 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10053 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10054 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10055 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10056 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10057 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10058 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10059 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10060 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10061 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10062 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10063 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10064 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10065 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10066 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10068 * doc/rtl.texi (ss_ashift): Improve wording.
10070 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10072 * dwarf2out.c (verify_marks_clear): New.
10073 (prune_unused_types): Call verify_marks_clear initially, not
10076 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10078 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10079 * doc/rtl.texi: Document them.
10080 * simplify-rtx.c (simplify_unary_operation,
10081 simplify_binary_operation_1): Don't abort when we see them.
10083 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10086 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10087 * configure.ac: Completely disregard languages that are not
10089 * configure: Regenerated.
10091 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10092 Richard Guenther <rguenther@suse.de>
10094 PR tree-optimization/27236
10095 * tree-inline.c (copy_body_r): Make sure to copy
10096 TREE_THIS_VOLATILE flag.
10098 2006-04-24 Richard Guenther <rguenther@suse.de>
10100 PR middle-end/26869
10101 * tree-complex.c (update_parameter_components): Don't handle
10102 unused parameters which have no default def.
10104 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10105 Richard Guenther <rguenther@suse.de>
10107 PR tree-optimization/27218
10108 * tree-inline.c (expand_call_inline): Strip useless type
10109 conversions for the return slot address.
10111 2006-04-24 Richard Guenther <rguenther@suse.de>
10113 * cfgloop.h (struct loops): Remove unused field array. Reorder
10115 (LOOP_PREFETCH): Remove.
10117 2006-04-24 Richard Guenther <rguenther@suse.de>
10119 PR tree-optimization/22525
10120 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10121 variable, adjust types of generated expressions.
10123 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10125 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10126 (tree-vect-patterns.o): Likewise.
10127 (jump.o): Likewise.
10128 (cselib.o): Likewise.
10129 (loop-doloop.o): Likewise.
10130 (regclass.o): Likewise.
10131 (reload1.o): Likewise.
10132 (explow.o): Replace target.h with $(TARGET_H).
10133 (ipa-prop.o): Likewise.
10134 (ipa-cp.o): Likewise.
10135 (ipa-inline.o): Likewise.
10136 (reorg.o): Likewise.
10137 (reg-stack.o): Likewise.
10139 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10141 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10143 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10145 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10147 * configure.ac: Completely disregard languages that are not
10149 * configure: Regenerated.
10152 * c-common.h (c_build_bitfield_integer_type): Declare.
10153 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10154 * c-common.c (c_build_bitfield_integer_type): ... here.
10156 2006-04-23 Roger Sayle <roger@eyesopen.com>
10159 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10160 a SImode SUBREG of a floating point register after no_new_pseudos.
10162 2006-04-23 Roger Sayle <roger@eyesopen.com>
10164 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10165 identify potentially eliminable registers to additionally catch
10166 VIRTUAL_INCOMING_ARGS_REGNUM.
10167 (addsi3): Update the conditions on when to use addsi_small_int.
10169 2006-04-23 Roger Sayle <roger@eyesopen.com>
10172 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10173 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10174 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10176 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10178 * fold-const.c (range_predecessor): Use operand_equal_p
10179 as the predicate for equality.
10180 (range_successor): Likewise.
10182 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10185 * config/soft-fp/op-common.h: Fix a typo.
10187 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10189 PR libmudflap/26864
10190 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10191 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10193 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10195 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10197 * doc/tm.texi: Fix a typo.
10199 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10201 * dwarf2out.c (struct die_struct): Document that die_sib makes
10202 a circular linked list.
10203 (FOR_EACH_CHILD): New.
10204 (reverse_die_lists): Delete.
10205 (reverse_all_dies): Delete.
10206 (add_dwarf_attr): Correct documentation.
10207 (remove_child_with_prev): New.
10208 (remove_child_TAG): Update for change to die_struct, use
10209 remove_child_with_prev.
10210 (add_child_die): Update for change to die_struct.
10211 (splice_child_die): Use remove_child_with_prev and add_child_die.
10212 (print_die): Use FOR_EACH_CHILD.
10213 (die_checksum): Likewise.
10214 (assign_symbol_names): Likewise.
10215 (output_location_lists): Likewise.
10216 (build_abbrev_table): Likewise.
10217 (calc_die_sizes): Likewise.
10218 (mark_dies): Likewise.
10219 (unmark_dies): Likewise.
10220 (unmark_all_dies): Likewise.
10221 (output_die): Likewise.
10222 (prune_unused_types_mark): Likewise.
10223 (prune_unused_types_walk): Likewise.
10224 (same_die_p): Update for change to die_struct.
10225 (break_out_includes): Likewise.
10226 (prune_unused_types_prune): Likewise.
10227 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10228 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10229 it's already clear.
10230 (dwarf2out_finish): Don't call reverse_all_dies.
10232 2006-04-21 Eric Christopher <echristo@apple.com>
10234 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10235 in comments and function names.
10237 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10240 * c-typeck.c (digest_init): Robustify.
10242 * c-typeck.c (pop_init_level): Simplify.
10244 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10246 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10248 2006-04-21 Paul Brook <paul@codesourcery.com>
10250 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10251 hardware floating point.
10253 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10255 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10258 2006-04-21 Nick Clifton <nickc@redhat.com>
10260 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10263 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10266 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10267 C++ lang type in traceback table for Objective-C++.
10269 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10271 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10273 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10275 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10278 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10279 were errors. Remove check for erroneous objects.
10281 2006-04-20 Jeff Law <law@redhat.com>
10283 PR tree-optimization/26854
10284 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10285 checking for zero or one use.
10286 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10287 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10288 * tree-ssa-reassoc.c (negate_value): Similarly.
10289 (reassociate_bb): Similarly.
10291 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10293 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10294 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10295 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10297 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10299 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10300 fp regs if the last fp arg doesn't fit in regs.
10302 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10305 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10306 that the last insn has the REG_INC note.
10308 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10309 Nathan Sidwell <nathan@codesourcery.com>
10312 * stor-layout.c (update_alignment_for_field): Do not align
10314 (place_union_field): Place union field at the start of the union.
10315 (place_field): Move ERROR_MARK check later, and use the current
10316 allocation position to maintain monotonicity.
10318 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10320 * dominance.c: Include timevar.h.
10321 (calculate_dominance_info): Use TV_DOMINANCE.
10322 * timevar.def (TV_DOMINANCE): New timevar.
10323 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10325 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10327 PR rtl-optimization/14261
10328 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10329 move would be an INSV insn.
10330 (noce_process_if_block): Don't optimize if the destination is a
10331 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10333 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10335 * config/s390/s390.md: Add comments with the instructions emitted
10336 by an insn pattern if macros are used.
10338 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10340 PR rtl-optimization/26026
10341 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10342 is a known power of two shifted left a variable amount.
10344 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10346 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10347 to hash table twice when the debug_str section has SECTION_MERGE.
10349 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10351 * config/soft-fp: New directory. From glibc.
10352 * config/soft-fp/t-softfp: New.
10353 * config/soft-fp/README: New.
10354 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10355 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10356 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10357 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10358 * config.gcc: Use rs6000/t-fprules-fpbit or
10359 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10361 * config/rs6000/sfp-machine.h: New. Based on glibc.
10362 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10364 * config/rs6000/t-fprules: Remove fp-bit rules.
10365 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10366 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10367 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10368 (softfp_wrap_start, softfp_wrap_end): New.
10370 2006-04-18 DJ Delorie <dj@redhat.com>
10372 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10374 2006-04-18 Devang Patel <dpatel@apple.com>
10376 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10378 2006-04-18 Nick Clifton <nickc@redhat.com>
10380 * config/sh/t-symbian: Add rule to build sh-c.o
10381 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10382 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10383 (sh_symbian_encode_section_info): Likewise.
10385 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10387 * builtins.c (expand_builtin_strcmp): Cover label definition of
10388 do_libcall with HAVE_cmpstrnsi.
10390 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10392 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10394 * function.h (temp_slot_p): New.
10395 (function): Change the type of x_used_temp_slots to
10396 VEC(temp_slot_p,gc) *.
10398 2006-04-18 Nick Clifton <nickc@redhat.com>
10400 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10401 flag_strength_reduce.
10403 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10405 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10409 Partial revert of revision 112637
10410 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10411 Dale Johannesen <dalej@apple.com>
10414 * regclass.c (struct reg_pref): Update documentation.
10415 (regclass): Set prefclass to NO_REGS if memory is the best option.
10416 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10418 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10420 PR tree-optimization/26821
10421 * tree-ssa-math-opts.c (get_constant_one): New.
10422 (insert_reciprocals): Use it.
10424 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10426 * dwarf2out.c (free_AT): Delete.
10427 (remove_AT): Update string ref counts.
10428 (remove_child_TAG): Don't call free_die.
10429 (free_die): Delete.
10430 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10431 or DW_TAG_GNU_EINCL.
10432 (prune_unused_types_walk_attribs): Reset string refcounts.
10433 (prune_unused_types_update_strings): New.
10434 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10435 call free_die. Do call prune_unused_types_update_strings.
10436 (prune_unused_types): Empty debug_str_hash.
10438 2006-04-17 Roger Sayle <roger@eyesopen.com>
10440 * expr.c (expand_assignment): Optimize away no-op moves where the
10441 source and destination are equal and have no side-effects.
10443 2006-04-17 Richard Guenther <rguenther@suse.de>
10446 * reload.c (push_reload): Guard calls to get_secondary_mem
10447 for memory subregs.
10449 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10451 * alias.c (reg_base_value, old_reg_base_value): Change the
10452 type to VEC(rtx,gc) *.
10453 (REG_BASE_VALUE, find_base_value, record_set,
10454 init_alias_analysis): Use VEC instead of VARRAY.
10456 * alias.c (alias_sets): Change the type to
10457 VEC(alias_set_entry,gc) *.
10458 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10459 VEC instead of VARRAY.
10460 (last_alias_set): Remove.
10462 * cgraph.h (cgraph_edge_p): New.
10463 Update the prototype of cgraph_function_versioning.
10464 * cgraphunit.c (cgraph_copy_node_for_versioning,
10465 cgraph_function_versioning): Use VEC instead of VARRAY.
10466 * ipa-cp.c (ipcp_insert_stage): Likewise.
10468 2006-04-16 Roger Sayle <roger@eyesopen.com>
10471 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10472 "A op B" or "A op C", we may need to convert A to the type of B and C.
10474 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10476 * target.h (struct gcc_target): Add mode_rep_extended.
10477 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10478 (init_num_sign_bit_copies_in_rep): Initialize it using
10480 (truncate_to_mode): Use it.
10481 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10482 * targhooks.h (default_mode_rep_extended): Declare it.
10483 * targhooks.c (default_mode_rep_extended): Define it.
10484 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10485 default_mode_rep_extended.
10486 (TARGET_INITIALIZER): Include it.
10487 * doc/tm.texi (Misc): Document it.
10488 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10489 (mips_truncated_to_mode): New function.
10491 2006-04-16 Roger Sayle <roger@eyesopen.com>
10493 PR middle-end/25474
10494 * expr.c (compress_float_constant): Copy the narrow constant into
10495 a new pseudo before extending it to its final width.
10497 2006-04-16 Roger Sayle <roger@eyesopen.com>
10498 Andrew Pinski <pinskia@gcc.gnu.org>
10499 Dale Johannesen <dalej@apple.com>
10502 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10503 special case code to implement V8HImode and V16QImode with SSE2.
10505 2006-04-15 Roger Sayle <roger@eyesopen.com>
10507 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10508 trees are constructed with a suitable tree type.
10510 2006-04-15 Roger Sayle <roger@eyesopen.com>
10512 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10513 (integer_onep): Likewise.
10514 (integer_all_onesp): Likewise.
10515 (integer_pow2p): Likewise.
10516 (integer_nonzerop): Likewise.
10517 (real_zerop): Likewise.
10518 (real_onep): Likewise.
10519 (real_twop): Likewise.
10520 (real_minus_onep): Likewise.
10521 (int_size_in_bytes): Likewise.
10522 (host_integerp): Likewise.
10524 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10526 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10527 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10528 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10530 * tree-ssa-structalias.h (alias_info): Remove num_references.
10532 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10534 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10535 (output_bvb patterns): Likewise.
10536 * pa.c (output_bb): Use 'bb' insn for long branch case.
10537 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10538 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10539 1. Correct length operand for alternatives 1 and 2.
10540 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10541 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10543 2006-04-14 Roger Sayle <roger@eyesopen.com>
10545 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10546 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10547 were accidentally reverted by r112959.
10549 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10551 PR middle-end/26823
10552 * except.h (eh_region_outermost): New prototype.
10553 * except.c (eh_region_outermost): New function.
10554 * tree-cfg.c (find_outermost_region_in_block): Use it.
10556 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10558 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10560 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10561 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10562 (init_reload, reload): Use VEC instead of VARRAY.
10563 * reload.h: Update the prototype for
10564 reg_equiv_memory_loc_varray.
10566 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10567 Eric Botcazou <ebotcazou@libertysurf.fr>
10569 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10570 register save area.
10572 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10574 PR middle-end/27134
10575 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10576 to expand fallback builtin function call.
10578 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10580 PR middle-end/27095
10581 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10582 and emit libcall here in case the builtin fails.
10583 (expand_builtin_strcmp): Always emit the libcall here on failure.
10585 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10587 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10588 * flow.c (reg_n_info): Change the type to
10589 VEC(reg_info_p,heap) *.
10590 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10592 * regs.h (reg_info_p): New.
10593 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10594 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10595 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10598 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10600 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10602 * params.h (MAX_SCHED_READY_INSNS): New macro.
10603 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10604 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10605 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10606 the ready list for 1 cycle during the first scheduling pass.
10607 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10609 2006-04-13 Richard Henderson <rth@redhat.com>
10612 * gimple-low.c (lower_omp_directive): Remove dead code.
10613 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10614 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10615 * omp-low.c (struct omp_region): Move to tree-flow.h.
10616 (root_omp_region): Export.
10617 (omp_regions, lookup_omp_region): Remove.
10618 (determine_parallel_type): Update for struct omp_region changes.
10619 (dump_omp_region): Dump regions with block numbers.
10620 (new_omp_region): Take type and block instead of stmt; malloc
10622 (free_omp_region_1, free_omp_regions): New.
10623 (expand_parallel_call): Take entry_stmt as argument; update for
10624 changes to omp_region.
10625 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10626 (remove_exit_barriers): New.
10627 (expand_omp_parallel): Update for struct omp_region changes.
10628 (expand_omp_synch): Likewise.
10629 (expand_omp): Likewise.
10630 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10631 (expand_omp_for_static_chunk): Likewise.
10632 (expand_omp_for): Likewise.
10633 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10634 (expand_omp_sections): Similarly, with GOMP_sections_end.
10635 (expand_omp_single): New.
10636 (build_omp_regions_1): Update for OMP_CONTINUE.
10637 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10638 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10639 OMP_SECTIONS_SECTIONS.
10640 (lower_omp_single_simple): Don't emit barrier here.
10641 (lower_omp_single_copy): Likewise.
10642 (lower_omp_single): Fix bindings, and lower to straightline now.
10643 (lower_omp_master, lower_omp_ordered): Likewise.
10644 (lower_omp_critical): Likewise.
10645 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10646 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10647 omp edges, free it afterward.
10648 (make_omp_sections_edges): Remove.
10649 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10650 (move_stmt_r): Handle OMP_CONTINUE.
10651 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10652 statement pointers to basic blocks. Add type member.
10653 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10654 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10655 * tree-inline.c (estimate_num_insns_1): Likewise.
10656 * tree-pretty-print.c (dump_generic_node): Likewise.
10657 * tree-ssa-operands.c (get_expr_operands): Likewise.
10658 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10659 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10660 (OMP_CONTINUE): New.
10661 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10662 (OMP_SECTIONS_SECTIONS): Remove.
10663 (OMP_SECTION_LAST): New.
10664 (OMP_RETURN_NOWAIT): New.
10666 2006-04-13 Roger Sayle <roger@eyesopen.com>
10668 * fold-const.c (native_encode_vector, native_interpret_real):
10669 Correct obvious mistakes in the previous check-in.
10671 2006-04-13 Roger Sayle <roger@eyesopen.com>
10673 * fold-const.c (native_encode_expr): New function to encode
10674 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10675 or VECTOR_CST into a specified buffer.
10676 (native_encode_int): New function.
10677 (native_encode_real): New function.
10678 (native_encode_complex): New function.
10679 (native_encode_vector): New function.
10680 (native_interpret_expr): Inverse of native_encode_expr to convert
10681 a target representation into an INTEGER_CST, REAL_CST etc...
10682 (native_interpret_int): New function.
10683 (native_interpret_real): New function.
10684 (native_interpret_complex): New function.
10685 (native_interpret_vector): New function.
10686 (fold_view_convert_expr): New function to constant fold/evaluate
10687 a VIEW_CONVERT_EXPR of a suitable constant expression.
10688 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10689 Change call of build1 to fold_build1 when constructing a
10692 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10693 Ulrich Weigand <uweigand@de.ibm.com>
10696 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10699 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10702 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10703 optimize to lo_sum for DFmode if !TARGET_FPRS.
10705 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10707 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10708 delete_alias_info, compute_flow_sensitive_aliasing,
10709 group_aliases): Use VEC instead of VARRAY.
10710 * tree-ssa-structalias.c (update_alias_info): Likewise.
10711 * tree-ssa-structalias.h (alias_info): Change the type of
10712 processed_ptrs to VEC(tree,heap) *.
10714 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10717 * config/sh/lib1funcs.h: New file, broken out of:
10718 * config/sh/lib1funcs.asm.
10719 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10721 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10722 * config/sh/lib1funcs-Os-4-200.asm: New file.
10723 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10724 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10725 (EXTRA_MULTILIB_PARTS): Include it.
10726 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10727 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10728 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10729 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10732 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10734 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10735 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10736 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10738 * tree-ssa-live.h: Include vecprim.h.
10739 (tree_partition_associator_d): Change the type of
10740 first_partition to VEC(int,heap) *.
10741 (tpa_first_partition): Use VEC instead of VARRAY.
10743 * Makefile.in (GTFILES): Move functions.h after tree.h.
10744 * function.c (reset_block_changes, record_block_change,
10745 check_block_change, free_block_changes): Use VEC instead of
10747 * function.h (function): Change the type of
10748 ib_boundaries_block to VEC(tree,gc) *.
10749 * tree-inline.c (copy_cfg_body): Initialize
10750 ib_boundaries_block to NULL instead of (varray_type) 0.
10752 2006-04-12 Roger Sayle <roger@eyesopen.com>
10754 * expr.c (emit_group_store): Correct operand order in call to
10755 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10756 a SUBREG_BYTE of zero.
10758 2006-04-12 Richard Guenther <rguenther@suse.de>
10760 * profile.c (compute_branch_probabilities): Remove code
10761 encapsulated in !ir_type (), which are remanents of the
10762 removed RTL profiling code.
10763 * rtl-profile.c: Remove.
10765 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10767 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10768 magic NULL_RTX comment.
10769 (function_arg): Store entire fp arg to mem if any part should go
10771 (rs6000_arg_partial_bytes): Adjust for above change.
10773 2006-04-11 Roger Sayle <roger@eyesopen.com>
10775 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10776 if it hasn't been initialized by dwarf2out_init.
10778 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10780 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10781 symbolic constants in branch patterns.
10783 2006-04-11 Roger Sayle <roger@eyesopen.com>
10785 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10787 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10789 PR rtl-optimization/27073
10790 * gcse.c (try_replace_reg): Revert last change. Continue to search
10791 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10794 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10796 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10797 aggregate types other than record and union types.
10798 (function_arg): Likewise.
10799 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10801 (function_value): In 64-bit mode, return objects that require it
10804 2006-04-11 Roger Sayle <roger@eyesopen.com>
10806 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10808 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10810 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10812 2006-04-03 Jeff Law <law@redhat.com>
10815 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10816 alias information too.
10818 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10820 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10822 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10825 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10826 (premark_used_types_helper): New.
10827 (premark_used_types): New.
10828 (gen_subprogram_die): Call premark_used_types.
10829 (prune_unused_types_walk): Do not prune perennial dies.
10830 * function.c (used_types_insert): New.
10831 * function.h (struct function): Add used_types_hash field.
10832 (used_types_insert): Add prototype.
10833 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10834 * c-parser.c (c_parser_cast_expression): Save casted types in used
10837 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10840 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10841 rs6000_explicit_options.float_gprs.
10843 2006-04-10 Roger Sayle <roger@eyesopen.com>
10845 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10846 from ix86_expand_vector_init_low_nonzero. Take an additional
10847 one_var argument indicating which element is non-zero. Support
10848 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10849 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10850 with one_var instead of ix86_expand_vector_init_low_nonzero.
10852 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10854 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10855 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10856 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10857 build/genextract.o): Depend on vecprim.h.
10858 * cfglayout.c, df-problems.c, function.c, genextract.c,
10859 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10860 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10864 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10866 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10867 Declare VECs of this type.
10868 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10869 (remove_children): Delete.
10870 (add_dwarf_attr): Use VEC routines.
10871 (add_AT_flag): Update for changes to add_dwarf_attr.
10872 (add_AT_int): Likewise.
10873 (add_AT_unsigned): Likewise.
10874 (add_AT_long_long): Likewise.
10875 (add_AT_vec): Likewise.
10876 (add_AT_string): Likewise.
10877 (add_AT_die_ref): Likewise.
10878 (add_AT_fde_ref): Likewise.
10879 (add_AT_loc): Likewise.
10880 (add_AT_loc_list): Likewise.
10881 (add_AT_addr): Likewise.
10882 (add_AT_lbl_id): Likewise.
10883 (add_AT_lineptr): Likewise.
10884 (add_AT_macptr): Likewise.
10885 (add_AT_offset): Likewise.
10886 (add_AT_range_list): Likewise.
10887 (get_AT): Use VEC_iterate.
10888 (remove_AT): Use VEC_ordered_remove.
10889 (free_die): Fold remove_children into here; have it use VEC_iterate.
10890 (print_die): Use VEC_iterate on attrs.
10891 (reverse_die_lists): Don't reverse attr lists.
10892 (die_checksum): Use VEC_iterate on attrs.
10893 (same_die_p): Likewise.
10894 (output_location_lists): Likewise.
10895 (build_abbrev_table): Likewise.
10896 (size_of_die): Likewise.
10897 (unmark_all_dies): Likewise.
10898 (output_abbrev_section): Likewise.
10899 (output_die): Likewise.
10900 (prune_unused_types_walk_attribs): Likewise.
10902 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10904 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10906 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10909 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10911 2006-04-09 Roger Sayle <roger@eyesopen.com>
10913 * expr.c (store_constructor): Don't bother clearing target if
10914 we're about to assign a vector to it using vec_init_optab.
10916 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10918 * tree-ssa-alias.c (lhs_may_store_to): New function.
10919 (recalculate_used_alone): Handle LHS of calls.
10921 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10925 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10926 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10927 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10928 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10929 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10930 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10931 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10932 stubs. Add ".align 8" directives before all ".dword" directives.
10933 (GTHREAD_USE_WEAK): Revise comment.
10934 (TARGET_ATTRIBUTE_WEAK): Define.
10935 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10936 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10937 * stublib.c: New file.
10942 * pa.md (cbranch patterns): Revise arguments used in calls to
10943 output_cbranch, output_bb and output_bvd. Add long branch length
10945 (fbranch patterns): Handle long branches.
10946 (jump): Revise length check. Revise arguments for output_lbranch call.
10947 Add long branch length attributes.
10948 (decrement_and_branch_until_zero): Add long branch length attributes.
10949 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10950 Likewise. Revise arguments for output_parallel_addb and
10951 output_parallel_movb calls.
10952 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10953 output_parallel_movb and output_parallel_addb): Update prototypes.
10954 * pa.c (output_cbranch): Revise arguments. Correct handling of
10955 nullification in long branches.
10956 (output_lbranch): Add new argument to control extraction of delay
10958 (output_bb): Handle long branches.
10959 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10960 output_parallel_addb): Likewise.
10962 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10964 PR rtl-optimization/27073
10965 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10968 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10970 * tree.h (tree_memory_tag): Add old_used_alone.
10971 (SMT_OLD_USED_ALONE): New macro.
10972 * tree-ssa-alias.c (recalculate_used_alone): Stop
10973 marking things for renaming unnecessarily.
10975 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10977 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10978 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10979 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10980 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10981 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10982 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10983 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10984 spelling convensions.
10985 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10986 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
10987 typos. Follow spelling conventions.
10989 2006-04-07 DJ Delorie <dj@redhat.com>
10991 * config/m32c/m32c.c (m32c_function_arg): Structures are always
10992 passed on the stack.
10993 (m32c_init_cumulative_args): When a function returns a structure,
10994 always pass the pointer to that return area on the stack.
10995 (m32c_function_arg_advance): Don't increment the parameter number
10996 if we're processing the returned structure pointer.
10997 (pushm_info): Reverse order of registers.
10999 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11001 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11002 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11003 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11004 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11005 build_int_cst_type.
11006 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11007 chrec_fold_multiply): Same.
11008 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11009 force_expr_to_var_cost): Same.
11010 * tree-mudflap.c (mf_xform_derefs_1): Same.
11011 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11013 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11015 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11016 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11019 2006-04-07 Jan Hubicka <jh@suse.cz>
11021 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11023 2006-04-07 Richard Guenther <rguenther@suse.de>
11025 PR tree-optimization/26135
11026 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11027 loads for store copy-prop.
11028 (copy_prop_visit_stmt): Likewise.
11030 2006-04-05 Robert Millan <robertmh@gnu.org>
11032 * config/i386/linux.h: Add a comment to mark macros that are
11033 being overriden in config/k*bsd-gnu.h.
11034 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11036 * config/knetbsd-gnu.h: Ditto.
11038 2006-04-06 Jan Hubicka <jh@suse.cz>
11042 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11045 2006-04-06 Mike Stump <mrs@apple.com>
11047 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11048 for HAVE_nonlocal_goto to be consistent.
11049 (expand_builtin_nonlocal_goto): Likewise.
11050 (expand_builtin_strcmp): Use #ifdef instead of #if
11051 for HAVE_cmpstrnsi to be consistent.
11053 2006-04-05 DJ Delorie <dj@redhat.com>
11055 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11058 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11060 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11061 got-relative addressing for anything but SImode.
11063 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11064 even if the calling function doesn't modify them.
11066 2006-04-05 Richard Guenther <rguenther@suse.de>
11068 PR tree-optimization/26919
11069 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11070 to cgraph_estimate_size_after_inlining.
11072 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11074 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11076 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11078 PR tree-optimization/26996
11079 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11080 VECTOR_TYPE variables.
11082 2006-04-05 Richard Guenther <rguenther@suse.de>
11084 PR tree-optimization/26763
11085 * fold-const.c (fold_comparison): Move folding of
11086 PTR + CST CMP PTR + CST ...
11087 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11089 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11091 * doc/install.texi (Prerequisites): Refine some wording on
11092 bootstrapping and ksh.
11093 Move the version numbers of DejaGnu here from the testing section
11094 and fix casing of names.
11095 Fix markup and clarify wording for autogen requirements.
11096 Refer to GCJ instead of just java.
11097 Refer to SVN instead of CVS.
11098 Describe diffutils as useful instead of necessary.
11099 (Downloading the source): Refer to SVN instead of CVS.
11100 Adjust a link to our web site accordingly.
11101 (Configuration): Fix casing of Bison.
11102 (Building): Refer to SVN instead of CVS.
11103 Fix a sentence on the use of Bison and remove duplicate (and
11104 incorrect) version number of Bison requirement.
11105 Remove one redundant list of packages needed for building.
11106 (Specific): Avoid reference to CVS.
11108 2006-04-04 Eric Christopher <echristo@apple.com>
11110 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11111 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11112 (rs6000_handle_struct_attribute): New.
11113 (rs6000_ms_bitfield_layout_p): Ditto.
11115 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11117 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11118 NULL for dso parameter to atexit_common.
11120 2006-04-04 Eric Christopher <echristo@apple.com>
11122 * config/i386/i386.c (machopic_output_stub): Output \t
11123 between instructions and operands.
11125 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11127 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11128 satisfies_constraint_[IL] to explicit tests on value.
11130 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11132 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11133 set_nb_iterations_in_loop): Use build_int_cst instead of
11134 build_int_cst_type.
11135 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11136 build_int_cst instead of convert.
11138 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11140 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11141 new value 2 for incoming.
11142 * function.c (expand_function_start): Call struct_value_rtx
11143 with incoming as 2.
11144 * config/sparc/sparc.md: Comment updated_return.
11145 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11146 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11147 struct return if sparc_std_struct_return and incoming is 2.
11148 (print_operand): Do not adjust return if
11149 sparc_std_struct_return.
11151 2006-04-04 Roger Sayle <roger@eyesopen.com>
11153 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11154 convert in the middle-end.
11155 * expr.c (store_expr, store_constructor, get_inner_reference,
11156 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11158 * tree.c (build_range_type): Likewise.
11160 2006-04-04 Tom Tromey <tromey@redhat.com>
11162 * doc/install.texi (Prerequisites): Mention jar.
11164 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11166 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11169 2006-04-04 Matthias Klose <doko@debian.org>
11171 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11175 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11178 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11180 * doc/extend.texi (Function Attributes): Rewrite visibility
11181 attribute documentation.
11182 * doc/invoke.texi (C++ Dialect Options): Rewrite
11183 -fvisibility-inlines-hidden documentation to describe something
11184 entirely different, although in practise compatible.
11185 (Code Gen Options): Warn about system headers in -fvisibility=
11188 * doc/extend.texi (Other Builtins): Document that
11189 __builtin_nan is a compile-time constant only when its argument
11192 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11194 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11195 trying to remove TRUNCATE check if all bits outside the new mode
11196 are identical to the sign bit.
11198 2006-04-03 Jeff Law <law@redhat.com>
11200 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11201 and operand scanning in some common cases.
11203 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11204 Dale Johannesen <dalej@apple.com>
11207 * regclass.c (struct reg_pref): Update documentation.
11208 (regclass): Set prefclass to NO_REGS if memory is the best option.
11209 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11210 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11211 into account. For non-registers, equate an empty preferred
11212 reload class to a `!' in the constraint; move the if clause to
11213 do so after those that reject the insn.
11214 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11216 (find_dummy_reload): Likewise.
11217 * doc/tm.texi (Register Classes): Document what it means
11218 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11219 * config/i386/i386.c (ix86_preferred_reload_class): Force
11220 using SSE registers (and return NO_REGS for floating-point
11221 constants) if math is done with SSE.
11222 (ix86_preferred_output_reload_class): New.
11223 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11224 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11225 * config/i386/i386.md: Remove # register preferences.
11227 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11230 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11231 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11232 the type of nb_iter.
11233 (instantiate_parameters_1): Convert the operands before calling
11234 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11235 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11237 2006-04-02 Roger Sayle <roger@eyesopen.com>
11239 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11240 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11241 instead of convert.
11242 * dojump.c (do_jump): Likewise.
11243 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11244 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11245 gimplify_boolean_expr): Likewise.
11246 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11247 * varasm.c (array_size_for_constructor): Likewise.
11248 * tree-object-size.c (compute_object_offset): Likewise.
11250 2006-04-02 Roger Sayle <roger@eyesopen.com>
11252 PR middle-end/26977
11253 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11254 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11256 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11258 PR tree-optimization/26939
11259 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11261 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11263 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11264 at_stmt. Convert the type of operands before calling
11265 build_polynomial_chrec.
11266 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11267 add_to_evolution_1.
11268 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11269 (instantiate_parameters_1): Convert the type of operands before calling
11270 build_polynomial_chrec.
11271 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11272 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11273 reset_evolution_in_loop): Insert asserts to check the types of the
11275 (chrec_type): Moved...
11276 (eq_evolutions_p): Use operand_equal_p.
11277 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11278 the types of the operands.
11279 (chrec_type): ...here.
11280 * tree-data-ref.c (create_data_ref): Convert the operands before
11281 calling chrec_replace_initial_condition.
11282 (same_access_functions, analyze_subscript_affine_affine,
11283 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11284 (compute_subscript_distance, analyze_ziv_subscript,
11285 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11286 analyze_miv_subscript): Convert the operands before calling
11287 chrec_fold_minus or chrec_fold_plus.
11289 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11291 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11292 the dependence_relations vector.
11293 (compute_data_dependences_for_loop): Adjust call to
11294 compute_all_dependences.
11296 2006-04-01 Roger Sayle <roger@eyesopen.com>
11297 Richard Henderson <rth@redhat.com>
11299 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11300 gimple_boolify on the condition before calling gimplify_expr.
11302 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11304 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11305 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11306 the frame size. Update to use the new macros.
11307 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11308 * config/xtensa/ieee754-df.S: Likewise.
11310 2006-03-31 Richard Henderson <rth@redhat.com>
11312 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11313 (make_edges): ... here. Control fallthru creation with a local
11314 variable. Do not play with fake edges.
11315 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11316 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11319 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11321 * dwarf2.h (DW64_CIE_ID): Define.
11322 * dwarf2out.c (DWARF_CIE_ID): Define.
11323 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11324 length header. Use DWARF_CIE_ID.
11325 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11326 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11328 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11330 * config/sh/linux-atomic.asm: New file.
11331 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11333 2006-03-31 DJ Delorie <dj@redhat.com>
11335 * config/m32c/cond.md: Set condition flags properly throughout.
11336 * config/m32c/minmax.md: Likewise.
11337 * config/m32c/prologue.md: Likewise.
11338 * config/m32c/bitops.md: Likewise.
11339 * config/m32c/muldiv.md: Likewise.
11340 * config/m32c/mov.md: Likewise.
11341 * config/m32c/addsub.md: Likewise.
11342 * config/m32c/m32c.md: Likewise.
11343 * config/m32c/jump.md: Likewise.
11344 * config/m32c/shift.md: Likewise.
11346 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11347 conditionally output the pattern for this.
11348 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11349 (m32c_compare_redundant): New.
11350 (m32c_output_compare): New.
11351 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11353 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11354 dest, not src. Allow other 4-byte modes.
11356 2006-03-30 Denis Chertykov <denisc@overta.ru>
11358 * doc/md.texi: Refer to avr/constraints.md instead of
11361 2006-03-30 Roger Sayle <roger@eyesopen.com>
11363 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11364 signed vs. unsigned comparison failures on some hosts.
11366 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11369 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11370 change to FLOAT_REGS.
11372 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11373 (rs6000_override_options): Use it.
11374 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11375 only for -mabi=spe/no-spe and -mabi=altivec.
11377 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11379 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11382 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11384 * Makefile.in: Rename docdir to gcc_docdir.
11386 2006-03-30 Roger Sayle <roger@eyesopen.com>
11389 * expr.c (emit_group_store): Optimize group stores into a pseudo
11390 register by using a paradoxical subreg to initialize the destination
11391 if the first or last member of the group specifies a "low part".
11393 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11396 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11397 * target.h (struct gcc_target.speculate_insn): Change type of the
11398 second parameter to 'int'.
11399 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11400 the second operand of the DEPS_LIST.
11401 (copy_DEPS_LIST_list): Update reference to the second operand of the
11403 * rtl.h (alloc_DEPS_LIST): Update signature.
11404 * sched-int.h (ds_t): Change typedef to 'int'.
11405 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11407 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11409 * haifa-sched.c (try_ready): Change condition to restore
11410 non-speculative pattern of the instruction.
11411 (process_insn_depend_be_in_spec): Code to keep probability of the
11412 speculative dependence non-decreasing.
11414 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11416 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11417 (single_move_for_movmem): ... this. Also change all uses.
11418 (bfin_expand_strmov): Renamed to...
11419 (bfin_expand_movmem): ... this. Also change all uses.
11420 * config/bfin/bfin.md (movstrsi): Renamed to...
11421 (movstrsi): ...this.
11423 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11425 PR tree-optimization/26830
11427 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11428 (copy_prop_visit_stmt): Remove write-only variable ann.
11429 (init_copy_prop): Check variable loop depth here. Do not simulate
11430 memory-tag and virtual operand PHIs except for store copy prop.
11432 2006-03-30 Richard Guenther <rguenther@suse.de>
11434 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11435 variants with double arguments.
11437 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11439 * genpreds.c (write_tm_constrs_h): Delete variable p.
11440 * genconditions.c (write_header): Add tm-constrs.h to included
11442 * genpeep.c (main): Add toplev.h to included headers.
11443 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11444 (build/genpeep.o): Add toplev.h dependency.
11445 * config/rs6000/constraints.md: Add "W" constraint.
11447 2006-03-29 Roger Sayle <roger@eyesopen.com>
11449 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11450 sizes by correctly testing whether the size fits a host integer.
11451 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11452 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11453 SImode range for the default sizetype and bitsizetype.
11455 2006-03-29 Roger Sayle <roger@eyesopen.com>
11457 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11458 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11459 quickly if the argument is already of the correct type.
11460 Call fold_build1 instead of build1. Tidy up blank lines.
11462 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11464 * genemit.c (main): Add tm-constrs.h to included headers.
11465 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11466 * genpeep.c (main): Add tm-constrs.h to included headers.
11467 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11468 (write_tm_constrs_h): this and write complete file.
11469 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11470 (write_insn_preds_c): Add tm-constrs.h to included headers.
11471 (gen_constrs): New variable.
11472 (parse_option): Parse "-c".
11473 (main): Invoke write_tm_constrs_h.
11474 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11475 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11476 (object_out_file): Add tm-constrs.h dependency.
11477 (insn-emit.o): Same.
11478 (insn-output.o): Same.
11479 (insn-peep.o): Same.
11480 (insn-preds.o): Same.
11481 (insn-recog.o): Same.
11482 (tm-constsr.h): New target.
11483 (s-constrs-h): New target.
11485 * config/rs6000/constraints.md: New file.
11486 * config/rs6000/rs6000.c: Include tm-constrs.h.
11487 (num_insn_constant_wide): Convert to satisfies_constraint.
11488 (rs6000_rtx_costs): Convert to satisfies_constraint.
11489 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11490 (CONST_OK_FOR_LETTER_P): Delete.
11491 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11492 (EXTRA_CONSTRAINT): Delete.
11493 (EXTRA_MEMORY_CONSTRAINT): Delete.
11494 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11495 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11496 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11497 satisfies_constraint.
11499 * config/i386/i386.c: Include tm-constrs.h.
11501 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11503 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11504 * tree-data-ref.c (find_data_references_in_loop,
11505 compute_data_dependences_for_loop): Use pointers to VEC.
11506 (analyze_all_data_dependences): Adjust calls.
11507 * tree-data-ref.h (find_data_references_in_loop,
11508 compute_data_dependences_for_loop): Adjust declarations.
11509 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11510 compute_data_dependences_for_loop.
11512 2006-03-29 Paul Brook <paul@codesourcery.com>
11514 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11515 (movdf_vfp): Ditto.
11517 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11519 PR tree-optimization/26859
11520 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11522 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11523 for the step after fold_convert.
11525 2006-03-29 Paul Brook <paul@codesourcery.com>
11527 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11528 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11530 2006-03-29 Paul Brook <paul@codesourcery.com>
11532 PR middle-end/23623
11533 * targhooks.c (default_narrow_bitfield): New fuction.
11534 * targhooks.h (default_narrow_bitfield): add prototype.
11535 * target.h (gcc_target): Add narrow_volatile_bitfield.
11536 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11537 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11538 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11539 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11541 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11543 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11545 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11546 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11547 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11548 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11549 (s390_function_arg_float): Allow SDmode and DDmode values to be
11550 passed in floating point registers.
11551 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11552 check with SCALAR_FLOAT_MODE_P.
11553 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11555 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11557 PR tree-optimization/25985
11558 * tree-ssa-loop-niter.c (number_of_iterations_le,
11559 number_of_iterations_ne): Make comments more precise.
11560 (number_of_iterations_cond): Add only_exit argument. Use the
11561 fact that signed variables do not overflow only when only_exit
11563 (loop_only_exit_p): New.
11564 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11565 number_of_iterations_cond.
11567 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11569 PR tree-optimization/26643
11570 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11573 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11575 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11576 (divsi3_i4_int): Likewise.
11578 2006-03-28 Roger Sayle <roger@eyesopen.com>
11580 * expr.c (emit_group_store): Only create a new pseudo reg if the
11581 quantity it needs to hold isn't already a suitable pseudo.
11583 2006-03-28 Jeff Law <law@redhat.com>
11585 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11586 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11588 2006-03-28 Roger Sayle <roger@eyesopen.com>
11590 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11591 the equivalent ~X & Y, and the symmetry related transformations.
11592 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11593 ~X & Y, and symmetry related transforms.
11595 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11597 Revert my 2006-03-27 patches.
11599 2006-03-28 Roger Sayle <roger@eyesopen.com>
11601 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11602 ~(T1)X, when T1 and T2 are integer types of the same precision
11603 and (T2)X isn't an extension.
11605 2006-03-28 Jeff Law <law@redhat.com>
11607 PR tree-optimization/26796
11608 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11609 need EH edge cleanups rather than purging them immediately.
11610 (eliminate_degenerate_phis): Handle queued EH cleanups.
11612 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11614 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11617 2006-03-27 Roger Sayle <roger@eyesopen.com>
11619 PR middle-end/22524
11620 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11621 cast BIT_NOT_EXPR operand to the correct type.
11623 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11625 * tree-loop-linear.c: Don't include varray.h.
11626 (gather_interchange_stats, try_interchange_loops,
11627 linear_transform_loops): Use VEC instead of VARRAY.
11628 * lambda-mat.c: Don't include varray.h.
11629 * tree-chrec.c: Same.
11630 * lambda-trans.c: Same.
11631 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11632 VEC instead of VARRAY.
11633 * tree-vectorizer.h: Idem.
11634 * tree-data-ref.c (dump_data_references,
11635 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11636 initialize_data_dependence_relation, finalize_ddr_dependent,
11637 compute_all_dependences, find_data_references_in_loop,
11638 compute_data_dependences_for_loop, analyze_all_data_dependences,
11639 free_dependence_relation, free_dependence_relations,
11640 free_data_refs): Idem.
11641 * tree-data-ref.h (data_reference_p, subscript_p): New.
11642 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11643 VEC instead of VARRAY.
11644 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11645 (find_data_references_in_loop, compute_data_dependences_for_loop,
11646 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11647 dump_data_dependence_relations, free_dependence_relations,
11648 free_data_refs): Adjust declaration.
11649 (lambda_transform_legal_p): Move declaration here...
11650 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11651 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11652 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11653 vect_analyze_data_refs): Use VEC instead of VARRAY.
11654 * lambda.h (lambda_transform_legal_p): ...from here.
11655 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11656 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11657 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11658 tree-chrec.o): Don't depend on VARRAY_H.
11660 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11662 * rtl.def (Copyright): Update date.
11663 (DEPS_LIST): Change type of the second operand to 'int'.
11664 * target.h (Copyright): Update date.
11665 (struct gcc_target.speculate_insn): Change type of the second parameter
11667 * lists.c (Copyright): Update date.
11668 (alloc_DEPS_LIST): Change signature. Update reference to the second
11669 operand of the DEPS_LIST.
11670 (copy_DEPS_LIST_list): Update reference to the second operand of the
11672 * rtl.h (Copyright): Update date.
11673 (alloc_DEPS_LIST): Update signature.
11674 * sched-int.h (Copyright): Update date.
11675 (ds_t): Change typedef to 'int'.
11676 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11678 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11680 * haifa-sched.c (Copyright): Update date.
11681 (try_ready): Change condition to restore non-speculative pattern
11682 of the instruction.
11683 (process_insn_depend_be_in_spec): Code to keep probability of the
11684 speculative dependence non-decreasing.
11686 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11688 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11689 shut up the compiler.
11691 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11693 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11694 to use lib prefix for target.
11695 ($(T)libic_invalidate_array_4-200.a): Likewise.
11696 ($(T)libic_invalidate_array_4a.a): Likewise.
11698 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11699 J"orn Rennecke <joern.rennecke@st.com>
11701 * superh.opt: New file.
11702 * sh.c (boardtype, osruntime): Remove.
11703 * superh.h (SUBTARGET_OPTIONS): Remove.
11704 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11706 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11707 arguments with ^ and/or [].
11709 * config.gcc (sh-*-*): Add quoting to account for quirk of
11711 Replace == with = in enable_incomplete_targets test.
11713 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11714 with MASK_LITTLE_ENDIAN.
11716 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11717 * config/sh/sh.opt: Added to some comments.
11718 * config/sh/superh.h: Removed some chaff.
11720 * config/sh/sh.opt: Add m4-[1234]00* options.
11721 * config/sh/sh.c (sh_handle_option): Likewise.
11722 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11723 (ic_invalidate_array_4-100.o): New rule.
11724 ($(T)libic_invalidate_array_4-100.a): Likewise.
11725 (ic_invalidate_array_4-200.o): Likewise.
11726 ($(T)libic_invalidate_array_4-200.a): Likewise.
11727 (ic_invalidate_array_4a.o): Likewise.
11728 ($(T)libic_invalidate_array_4a.a): Likewise.
11729 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11730 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11732 * config/sh/crt1.asm: Merged in profiling code.
11733 * config/sh/superh.h (STARTFILE_SPEC): Override.
11734 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11735 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11736 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11738 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11739 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11740 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11742 * sh.opt (mpretend-cmove): New option.
11743 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11744 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11745 (movsicc): Add TARGET_PRETEND_CMOVE code.
11747 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11749 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11750 s390_class_max_nregs): New function prototypes.
11751 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11752 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11753 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11754 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11756 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11758 * dwarf2out.c (add_location_or_const_value_attribute): Call
11759 tree_add_const_value_attribute if nothing else works.
11760 (reference_to_unused): New.
11761 (rtl_for_decl_init): Use reference_to_unused to decide whether
11762 to output an initializer.
11764 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11767 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11768 peephole removing spe frob_di_df_2.
11770 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11772 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11773 (subscript_dependence_tester_1): Declared.
11774 (print_dir_vectors, print_dist_vectors): New.
11775 (debug_data_dependence_relation): New.
11776 (dump_data_dependence_relation): Print more details.
11777 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11778 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11779 (save_dist_v, save_dir_v, add_outer_distances,
11780 build_classic_dist_vector_1): New.
11781 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11782 Don't test for lambda_vector_lexico_pos.
11783 (same_access_functions, add_multivariate_self_dist,
11784 add_other_self_distances, dir_from_dist): New.
11785 (build_classic_dir_vector): Replace implementation almost identical to
11786 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11788 (subscript_dependence_tester_1): New.
11789 (subscript_dependence_tester): Handle the lexicographically negative
11790 distance vectors by recomputing the dependence relation.
11791 (compute_affine_dependence): Remove parameter loop_nest_depth.
11792 (compute_self_dependence): Don't call compute_subscript_distance.
11793 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11794 Add a parameter for the loop_nest.
11795 (find_loop_nest_1, find_loop_nest): New.
11796 (compute_data_dependences_for_loop): Compute the loop nest, and give
11797 up if the nest is not well formed.
11798 * tree-data-ref.h (loop_p): New.
11799 (struct data_dependence_relation): Replace size_vect field with
11800 loop_nest, a vec of loops.
11801 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11802 (DDR_LOOP_NEST): New.
11803 (print_dir_vectors, print_dist_vectors,
11804 debug_data_dependence_relation): Declared.
11805 (index_in_loop_nest): New.
11806 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11807 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11810 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11812 * simplify-rtx.c (simplify_relational_operation): Call
11813 simplify_relational_operation_1 even if mode is VOIDmode.
11815 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11817 PR tree-optimization/26804
11818 * tree.h (DECL_CALL_CLOBBERED): New macro.
11819 (tree_decl_common): Add call_clobbered_flag.
11820 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11821 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11822 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11823 (mark_non_addressable): Ditto.
11824 * tree-ssa.c (verify_call_clobbered): New function.
11825 (verify_alias_info): Use it.
11826 * tree-pass.h (pass_reset_cc_flags): New prototype.
11827 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11828 (reset_cc_flags): New function.
11829 * passes.c (init_optimization_passes): Call reset_cc_flags after
11830 initializing referenced_vars.
11832 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11833 Roger Sayle <roger@eyesopen.com>
11835 PR middle-end/26717
11836 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11837 to 1.0 for non-real operands. Implement A / A optimization for
11840 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11842 * config/i386/i386.c (size_cost): Correct the comment for
11843 cost of storing fp registers.
11844 (i386_cost): Likewise.
11845 (i486_cost): Likewise.
11846 (pentium_cost): Likewise.
11847 (pentiumpro_cost): Likewise.
11848 (k6_cost): Likewise.
11849 (athlon_cost): Likewise.
11850 (k8_cost): Likewise.
11851 (pentium4_cost): Likewise.
11852 (nocona_cost): Likewise.
11853 (generic64_cost): Likewise.
11854 (generic32_cost): Likewise.
11856 2006-03-24 Denis Chertykov <denisc@overta.ru>
11858 * config/avr/avr-protos.h (extra_constraint): Delete.
11859 (extra_constraint_Q): New declaration.
11860 * config/avr/constraints.md: New file.
11861 * config/avr/avr.md: Include it.
11862 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11863 (TMP_REGNO, ZERO_REGNO): Likewise.
11864 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11865 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11866 (extra_constraint): Delete.
11867 (extra_constraint_Q): Test for memory constraint 'Q'.
11868 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11869 (REG_CLASS_FROM_LETTER): Delete.
11870 (CONST_OK_FOR_LETTER_P): Delete.
11871 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11872 (EXTRA_CONSTRAINT): Delete.
11873 (TMP_REGNO): Delete.
11874 (ZERO_REGNO): Delete.
11876 2006-03-24 Jeff Law <law@redhat.com>
11878 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11879 directly. Call mark_new_vars_to_rename slightly earlier.
11881 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11883 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11884 (is_cxx): Likewise.
11885 (gen_compile_unit_die): Use new language types for Objective-C and
11887 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11888 DW_LANG_C_plus_plus.
11891 * config/t-darwin (crt3.o): Work around bug 26840.
11892 * config/darwin-crt3.c: Rewrite.
11893 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11895 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11897 * doc/invoke.texi: Document -femit-class-debug-always
11898 * common.opt: Add -femit-class-debug-always.
11900 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11902 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11903 index and base register.
11904 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11905 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11906 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11907 REGNO_OK_FOR_INDEX_P.
11908 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11910 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11911 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11912 REG_OK_FOR_BASE_P): Definitions removed.
11914 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11916 PR middle-end/26611
11917 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11918 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11919 set yet or weren't marked as local yet.
11921 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11923 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11926 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11928 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11929 (rs6000_legitimate_small_data_p): Delete.
11930 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11931 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11932 and make static. Add forward declaration. Update uses.
11933 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11934 of offsettable_memref_p.
11935 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11936 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11938 2006-03-24 Jeff Law <law@redhat.com>
11940 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11941 around bug in immediate-use iterator.
11943 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11946 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11947 or __LITTLE_ENDIAN__.
11949 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11951 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11952 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11953 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11954 * config/sh/sh.opt (mdiv=): Amend description.
11955 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11956 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11957 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11958 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11959 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11960 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11961 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11962 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11963 TARGET_DIVIDE_CALL_FP.
11965 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11967 * haifa-sched.c (choose_ready): Fix type of the local variable.
11968 Move local variables. Add comment.
11969 (check_reg_live): Change signature. Make callable from debugger.
11970 * sched-int.h (check_reg_live): Update signature.
11971 * sched-ebb.c (check_reg_live): Update parameters.
11972 * sched-rgn.c (check_reg_live): Ditto.
11973 (region_head_or_leaf_p): Check pointer before dereferencing.
11974 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11975 before reload on optimization levels below 1.
11977 2006-03-23 Richard Henderson <rth@redhat.com>
11979 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11983 * config/alpha/predicates.md (local_symbolic_operand): Reject
11986 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
11989 * tree-ssa-pre.c (create_value_expr_from): Don't reject
11990 expressions which have overflowed constants.
11992 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11994 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
11996 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
11998 * cfgloopmanip.c (create_loop_notes): Removed.
11999 * final.c (final_scan_insn): Do not handle loop notes.
12000 * jump.c (squeeze_notes): Ditto.
12001 * cfglayout.c (skip_insns_after_block,
12002 duplicate_insn_chain): Ditto.
12003 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12005 * cfgloop.h (create_loop_notes): Declaration removed.
12007 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12009 * varasm.c (output_constant_pool): Restore fnname and fndecl
12011 (assemble_start_function): Adjust call accordingly.
12012 (assemble_end_function): Likewise.
12014 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12017 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12020 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12022 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12025 * system.h (ICE_EXIT_CODE): New macro.
12026 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12027 (diagnostic_action_after_output): Likewise.
12028 * gcc.c (fatal_ice): New function.
12029 (execute): Use it instead of fatal.
12030 (fancy_abort): Likewise.
12031 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12033 2006-03-22 Jeff Law <law@redhat.com>
12035 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12036 iv_analyze_result returning false.
12038 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12040 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12042 2006-03-22 Richard Henderson <rth@redhat.com>
12044 PR middle-end/26084
12045 * except.c (duplicate_eh_regions_0): New.
12046 (duplicate_eh_region_1): Duplicate the children of the node as
12047 well as the node itself. Link them up properly.
12048 (duplicate_eh_region_2): Merge into ...
12049 (duplicate_eh_regions): ... here. Take copy_region argument, and
12050 copy only a sub-tree if asked. Simplify copying and fixup.
12051 (eh_region_outer_p): New.
12052 * except.h (duplicate_eh_regions): Update decl.
12053 (eh_region_outer_p): Declare.
12054 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12055 (lower_omp_master): Likewise.
12056 (lower_omp_ordered): Likewise.
12057 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12058 (move_stmt_r): Use it to remap labels. Handle recursion vs
12059 remap_decls_p properly.
12060 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12061 (find_outermost_region_in_block): New.
12062 (new_label_mapper): New.
12063 (move_sese_region_to_fn): Copy eh information to the new function
12065 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12067 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12070 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12072 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12073 into shared libraries.
12075 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12077 * doc/md.texi: Refer to i386/constraints.md instead of
12078 i386/predicates.md.
12079 * config/i386/constraints.md: New file, extracted from...
12080 * config/i386/predicates.md: ...here.
12081 * config/i386/i386.md: Include constraints.md.
12083 2006-03-21 Jason Merrill <jason@redhat.com>
12085 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12087 PR middle-end/20297
12088 * expr.c (init_block_move_fn): Force default visibility.
12089 (init_block_clear_fn): Likewise.
12090 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12091 * targhooks.c (default_external_stack_protect_fail): Likewise.
12093 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12095 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12096 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12097 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12098 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12099 (loadgp): Use mips_current_loadgp_style.
12100 (loadgp_noshared): New pattern.
12101 (sibcall_internal): Use MIPS_CALL.
12102 (sibcall_value_internal): Likewise.
12103 (sibcall_value_multiple_internal): Likewise.
12104 (call_internal): Likewise.
12105 (call_value_internal): Likewise.
12106 (call_value_multiple_internal): Likewise.
12107 (call_split): Use MIPS_CALL and add an 'S' constraint.
12108 (call_value_split): Likewise.
12109 (call_value_multiple_split): Likewise.
12110 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12111 (-mshared): New option.
12112 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12113 (mips_current_loadgp_style): Declare.
12114 * config/mips/mips.c (mips_classify_symbol): Avoid using
12115 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12116 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12117 TARGET_ABSOLUTE_ABICALLS.
12118 (override_options): Adjust comments. Improve the warning that is
12119 issued when -mabicalls and -G are used together.
12120 (mips_file_start): Remove comment.
12121 (mips_current_loadgp_style): New function.
12122 (mips_gnu_local_gp): New variable.
12123 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12125 (mips_output_function_prologue): Use mips_current_laodgp_style.
12126 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12127 the cprestore instruction.
12128 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12129 live for TARGET_ABSOLUTE_ABICALLS.
12130 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12131 (ASM_SPEC): Pass down -mshared and -mno-shared.
12132 (MIPS_CALL): New macro.
12133 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12135 * doc/invoke.texi (-mabicalls): Update documentation.
12136 (-mshared): Document.
12138 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12140 * config/ia64/unwind-hpux.c: New file.
12141 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12143 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12146 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12148 2006-03-21 Jeff Law <law@redhat.com>
12150 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12151 type conversions of a VR_VARYING source to a wider type.
12153 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12155 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12156 tm_file on Solaris 10 and later.
12157 (sparc64-*-solaris2*): Likewise.
12158 (sparc-*-solaris2*): Likewise.
12159 * config/sol26.h: Rename to config/sol2-6.h.
12160 * config/sol2-10.h: New file.
12162 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12165 * tree-ssa-pre.c (create_component_ref_by_pieces):
12168 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12171 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12172 return it immediately.
12174 2006-03-21 Michael Matz <matz@suse.de>
12176 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12178 (remove_arc, add_arc): Update num_out_arcs member.
12179 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12181 (cache_presence): New function.
12182 (compare_states_for_equiv): New function.
12183 (state_is_differed): Don't take number of outargs, adjust callers.
12184 Use new invariant for speeding up.
12185 (init_equiv_class): Create initial classes based on sorted
12187 (partition_equiv_class): Don't track out_arcs_num.
12188 (evaluate_equiv_classes): Call cache_presence on all states and
12191 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12193 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12194 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12195 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12196 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12198 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12199 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12200 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12201 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12202 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12204 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12205 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12206 (REGNO_REG_CLASS): ARGP is in PREGS.
12207 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12209 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12210 to deal with those addresses.
12211 * addresses.h: New file.
12212 * caller-save.c: Include "addresses.h".
12213 (init_caller_save): Use new base_reg_class function.
12214 * rtl-factoring.c: Include "addresses.h".
12215 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12216 * recog.c: Include "addresses.h".
12217 (preprocess_constraints): Use new base_reg_class function.
12218 * regrename.c: Include "addresses.h".
12219 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12220 functions. Keep track of a new var INDEX_CODE to compute valid
12222 (replace_oldest_value_addr): Likewise.
12223 (replace_oldest_value_mem): Use base_reg_class.
12224 * reload.c: Include "addresses.h".
12225 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12226 (find_reloads): Use new base_reg_class function.
12227 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12228 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12229 all callers and prototype changed.
12230 * reload1.c: Include "addresses.h".
12231 (maybe_fix_stack_asms): Use base_reg_class.
12232 * regclass.c: Include "addresses.h".
12233 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12234 (init_reg_autoinc): Use new base_reg_class function.
12235 (record_reg_classes): Likewise.
12236 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12237 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12238 Use new args to compute necessary class.
12240 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12241 regrename.o, rtl-factoring.o): Update dependencies.
12242 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12243 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12244 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12245 REG_OK_FOR_INDEX_P): Delete documentation.
12247 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12249 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12250 from V7 to V9 for Solaris 7 and above.
12252 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12254 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12255 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12256 argument pointers may not alias any other storage.
12257 * common.opt: Define option -fargument-noalias-anything.
12258 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12259 alias semantics is specified by flag_argument_noalias > 2.
12261 2006-03-20 Jeff Law <law@redhat.com>
12263 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12264 (pass_phi_only_cprop): Declare.
12265 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12266 with phi_only_cprop
12267 * tree-ssa-dom.c (degenerate_phi_result): New function.
12268 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12269 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12270 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12271 (eliminate_degenerate_phis): Likewise.
12272 (pass_phi_only_cprop): New pass descriptor.
12273 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12274 support code. Callers updated.
12275 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12276 (store_copy_prop): Likewise.
12277 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12279 2006-03-20 Jason Merrill <jason@redhat.com>
12282 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12283 (push_visibility, pop_visibility): Likewise.
12284 * c-pragma.h: Declare them.
12286 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12288 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12290 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12291 parameter and use get_ebb_head_tail.
12292 (sh_md_init_global): Adjust uses of find_regmode_weight.
12294 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12296 * function.h (struct function) <x_tail_recursion_reentry>:
12297 Rename to x_stack_check_probe_note.
12298 (tail_recursion_reentry): Rename to stack_check_probe_note.
12299 * function.c: Replace tail_recursion_reentry with
12300 stack_check_probe_note everywhere.
12301 (expand_function_start): Only emit a note for
12302 stack_check_probe_note with -fstack-protect.
12303 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12305 * emit-rtl.c (remove_unnecessary_notes): Remove.
12306 (pass_remove_unnecessary_notes): Remove.
12307 * rtl.h (remove_unnecessary_notes): Remove prototype.
12308 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12309 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12310 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12312 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12315 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12316 (valid_in_set): Handle ARRAY_REF.
12317 Change "if min_variant or VH" to asserts.
12318 (create_component_ref_by_pieces): Handle ARRAY_REF.
12319 (create_expression_by_pieces): Likewise.
12320 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12322 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12324 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12325 is operand of switch, not str[0].
12327 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12329 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12330 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12332 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12334 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12335 end of insn_extra_address_constraint declaration.
12337 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12339 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12340 (no-sum-in-toc): Same.
12341 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12343 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12344 NO_FP_IN_TOC for -fPIC instead of mask.
12346 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12347 (BOOT_LDFLAGS): Delete.
12349 * config/rs6000/t-aix52: Same.
12351 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12352 (stmsi[345678]_power): New.
12354 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12356 * config/ia64/ia64.opt: Add empty line to end of file.
12358 2006-03-17 Richard Guenther <rguenther@suse.de>
12360 PR middle-end/26721
12361 * builtins.c (get_pointer_alignment): For component style references
12362 adjust alignment to the component type alignment. Make sure
12363 to adjust alignment for component access of constants.
12365 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12367 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12368 unconditional jump.
12370 2006-03-17 Paul Brook <paul@codesourcery.com>
12372 * doc/install.texi: Docuemnt --with-mode.
12373 * config.gcc: Add --with-mode for arm*-*-*.
12374 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12376 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12378 * sh.c (max_labelno_before_reorg): New variable.
12379 (sh_reorg): Initialize it.
12380 (find_barrier): Check max_labelno_before_reorg before using
12381 label_to_alignment. Take length of explicit alignment insns
12382 into account. When seeing a UNSPECV_CONST_END, return it.
12384 * sh.c (fixup_mova): Set mode of affected label to QImode.
12385 (untangle_mova): New function.
12386 (find_barrier): Use it. Check mode of label before decrementing
12388 (sh_reorg): Likewise.
12389 Set mode of all insns back to VOIDmode.
12391 * sh.c (MOVA_LABELREF): New macro.
12392 (mova_p, fixup_mova, sh_reorg): Use it.
12393 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12394 ADDR_DIFF_VEC matches mova.
12396 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12398 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12399 with ATTRIBUTE_UNUSED.
12401 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12403 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12404 pointer, instead of assuming it is possible to derive the
12405 correct args size from a call insn.
12407 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12409 * rtl.h (CONST_INT_P): Define.
12410 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12411 instead of GET_CODE(x) == CONST_INT.
12412 (vax_rtx_costs): Likewise.
12413 (vax_output_int_move): Likewise.
12414 (vax_output_int_add): Likewise.
12415 (legitimate_constant_address_p): Likewise.
12416 (index_term_p): Likewise.
12417 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12418 * config/vax/vax.md (and<mode>3): Likewise.
12419 (ashrsi3): Likewise.
12421 (movstricthi): Likewise.
12422 (movstrictqi): Likewise.
12423 (rotrsi3): Likewise.
12424 (five unnamed insns): Likewise.
12426 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12428 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12429 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12430 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12431 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12432 Pass to ASM_OUTPUT_DWARF_OFFSET.
12433 * dwarf2out.c (debug_frame_section): New.
12434 (output_call_frame_info): Use debug_frame_section. Pass it to
12435 dw2_asm_output_offset.
12436 (output_die): Pass appropriate section to dw2_asm_output_offset.
12437 (output_compilation_unit_header): Likewise.
12438 (output_pubnames): Likewise.
12439 (output_aranges): Likewise.
12440 (enum dw_val_class): Break dw_val_class_lbl_offset into
12441 dw_val_class_lineptr and dw_val_class_macptr.
12442 (add_AT_lbl_offset): Delete.
12443 (add_AT_lineptr): New.
12444 (add_AT_macptr): New.
12445 (AT_lbl): Expect a lineptr or macptr.
12446 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12447 (attr_checksum): Likewise.
12448 (same_dw_val_p): Likewise.
12449 (size_of_die): Likewise.
12450 (value_format): Likewise.
12451 (output_die): Likewise.
12452 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12454 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12455 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12456 * config/darwin-protos.h (darwin_file_start): New.
12457 (darwin_asm_output_dwarf_offset): New.
12458 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12459 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12461 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12462 if not EH section; simplify.
12463 (darwin_file_start): New.
12464 (darwin_asm_output_dwarf_offset): New.
12465 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12467 (DEBUG_INFO_SECTION): Likewise.
12468 (DEBUG_ABBREV_SECTION): Likewise.
12469 (DEBUG_ARANGES_SECTION): Likewise.
12470 (DEBUG_MACINFO_SECTION): Likewise.
12471 (DEBUG_LINE_SECTION): Likewise.
12472 (DEBUG_LOC_SECTION): Likewise.
12473 (DEBUG_PUBNAMES_SECTION): Likewise.
12474 (DEBUG_STR_SECTION): Likewise.
12475 (DEBUG_RANGES_SECTION): Likewise.
12476 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12477 (ASM_OUTPUT_DWARF_OFFSET): New.
12479 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12481 * config.gcc (tm_defines): Always add to previous value rather
12484 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12486 * config/mips/predicates.md (splittable_const_int_operand): New,
12487 split from move_operand.
12488 (splittable_symbolic_operand): New.
12489 (move_operand): Add commentary. Use splittable_const_int_operand.
12490 Inline mips_atomic_symbolic_constant_p.
12491 * config/mips/mips.md: Add combine splitters for handling moves
12492 of splittable_const_int_operands and splittable_symbolic_operands.
12493 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12494 (mips_split_symbol): Declare.
12495 (mips_move_integer): Declare.
12496 * config/mips/mips.c (mips_split_p): Make global.
12497 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12498 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12499 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12500 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12501 (mips_offset_within_object_p): Handle block symbols.
12502 (mips_atomic_symbolic_constant_p): Delete.
12503 (mips_cannot_force_const_mem): Return false for constants that
12504 mips_legitimize_move can handle.
12505 (mips_use_blocks_for_constant_p): New function.
12506 (mips_split_symbol): Make global.
12507 (mips_move_integer): Likewise. Add a temporary register argument.
12508 (mips_legitimize_const_move): Use splittable_const_int_operand and
12509 splittable_symbolic_operand.
12510 (mips_use_anchors_for_symbol_p): New function.
12511 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12512 (mips_split_p): Declare.
12514 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12516 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12517 (mips*-*-linux*): Likewise.
12519 2006-03-16 Roger Sayle <roger@eyesopen.com>
12520 Daniel Speyer <dspeyer@wam.umd.edu>
12522 PR middle-end/18259
12523 * tree-dump.c (dump_real): New function.
12524 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12525 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12526 (tree-dump.o): Add $(REAL_H) to the dependencies.
12528 2006-03-16 Roger Sayle <roger@eyesopen.com>
12530 PR middle-end/21781
12531 * real.c (real_from_string): If the mantissa is zero, don't bother
12532 parsing the exponent as the result should always be zero.
12534 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12536 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12538 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12540 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12541 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12542 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12543 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12544 ia64_sched_finish_global): New static functions to implement
12545 hooks from gcc_target.sched.
12546 (spec_check_no, max_uid, pending_data_specs): New static variables.
12547 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12548 ia64_spec_check_src_p): New static functions.
12549 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12550 (TARGET_SCHED_ADJUST_COST): Removed.
12551 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12552 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12553 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12554 TARGET_SCHED_GEN_CHECK,
12555 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12556 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12557 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12558 Fixed to handle speculation checks.
12559 (rtx_needs_barrier): Fixed to handle speculative loads and
12561 (ia64_variable_issue): Added code to count speculative loads and their
12563 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12565 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12567 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12569 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12570 (ia64_reorg): Reset stops_p to NULL after it is freed.
12571 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12572 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12573 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12575 (data_speculative, control_speculative, check_load): New attributes.
12576 (mov<mode>_advanced, mov<mode>_speculative,
12577 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12578 zero_extend<mode>di2_speculative,
12579 zero_extend<mode>di2_speculative_advanced): New patterns for
12580 data and control speculative loads.
12581 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12583 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12584 New pattern for data and control speculation checks.
12585 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12586 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12587 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12588 Auxiliary definitions for the patterns.
12589 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12590 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12592 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12594 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12595 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12596 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12597 New resource constraints.
12598 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12600 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12601 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12602 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12603 msched-in-control-spec, msched-ldc, msched-control-ldc,
12604 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12605 msched-prefer-non-control-spec-insns,
12606 msched-count-spec-in-critical-path): New flags to tune speculative
12608 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12609 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12610 msched-in-control-spec, msched-ldc, msched-control-ldc,
12611 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12612 msched-prefer-non-control-spec-insns,
12613 msched-count-spec-in-critical-path): Document new flags.
12615 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12617 * target.h (struct spec_info_def): New opaque declaration.
12618 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12619 speculate_insn, needs_block_p, gen_check,
12620 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12621 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12622 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12623 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12624 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12625 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12627 (TARGET_SCHED): Use new macros.
12628 * rtl.h (copy_DEPS_LIST_list): New prototype.
12629 * sched-int.h (struct sched_info): Change signature of new_ready field,
12630 adjust all initializations. New fields: add_remove_insn,
12631 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12632 region_head_or_leaf_p.
12633 (struct spec_info_def): New structure declaration.
12634 (spec_info_t): New typedef.
12635 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12636 recovery_block, orig_pat.
12637 (glat_start, glat_end): New variables declaraions.
12638 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12640 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12641 DETACH_LIFE_INFO, USE_GLAT.
12642 (enum SPEC_SCHED_FLAGS): New enumeration.
12643 (NOTE_NOTE_BB_P): New macro.
12644 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12645 attach_life_info, debug_spec_status, check_reg_live): New functions.
12646 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12647 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12649 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12650 * ddg.c (get_block_head_tail): Adjust all uses.
12651 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12652 (sms_sched_info): Initialize new fields.
12653 (contributes_to_priority): Removed.
12654 * haifa-sched.c (params.h): New include.
12655 (get_block_head_tail): Adjust all uses.
12656 (ISSUE_POINTS): New macro.
12657 (glat_start, glat_end): New global variables.
12658 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12659 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12660 old_last_basic_block, before_recovery, current_sched_info_var,
12661 rgn_n_insns, luid): New static variables.
12662 (insn_cost1): New function. Move logic from insn_cost to here.
12663 (find_insn_reg_weight1): New function. Move logic from
12664 find_insn_reg_weight to here.
12665 (reemit_notes, move_insn, max_issue): Change signature.
12666 (move_insn1): Removed.
12667 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12668 extend_bb): New static functions to support extension of scheduler's
12670 (generate_recovery_code, process_insn_depend_be_in_spec,
12671 begin_speculative_block, add_to_speculative_block,
12672 init_before_recovery, create_recovery_block, create_check_block_twin,
12673 fix_recovery_deps): New static functions to support
12674 generation of recovery code.
12675 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12676 restore_bb_notes, move_block_after_check, move_succs): New static
12677 functions to support ebb scheduling.
12678 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12679 functions to support handling of register live information.
12680 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12681 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12682 add_jump_dependencies): New static functions.
12683 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12684 consistancy checking.
12685 (debug_spec_status): New function to call from debugger.
12686 (priority): Added code to handle speculation checks.
12687 (rank_for_schedule): Added code to distinguish speculative instructions.
12688 (schedule_insn): Added code to handle speculation checks.
12689 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12690 Fixed to handle ebbs.
12691 (move_insn): Added code to handle ebb scheduling.
12692 (max_issue): Added code to use ISSUE_POINTS of instructions.
12693 (choose_ready): Added code to choose between speculative and
12694 non-speculative instructions.
12695 (schedule_block): Added code to handle ebb scheduling and scheduling of
12696 speculative instructions.
12697 (sched_init): Initialize new variables.
12698 (sched_finish): Free new variables. Print statistics.
12699 (try_ready): Added code to handle speculative instructions.
12700 * lists.c (copy_DEPS_LIST_list): New function.
12701 * sched-deps.c (extend_dependency_caches): New function. Move logic
12702 from create_dependency_caches to here.
12703 (get_dep_weak, ds_merge): Make global.
12704 * genattr.c (main): Code to output prototype for
12705 dfa_clear_single_insn_cache.
12706 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12707 (output_dfa_clean_insn_cache_func): Code to output
12708 dfa_clear_single_insn_cache function.
12709 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12711 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12713 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12714 New static variables.
12715 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12716 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12718 (ebb_sched_info): Initialize new fields.
12719 (get_block_head_tail): Adjust all uses.
12720 (compute_jump_reg_dependencies): Fixed to use glat_start.
12721 (schedule_ebb): Code to remove unreachable last block.
12722 (schedule_ebbs): Added code to update register live information.
12723 * sched-rgn.c (region_sched_info): Initialize new fields.
12724 (get_block_head_tail): Adjust all uses.
12725 (last_was_jump): Removed. Adjust users.
12726 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12727 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12728 Implement new hooks.
12729 (check_dead_notes1): New static function.
12730 (struct region): New fields: dont_calc_deps, has_real_ebb.
12731 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12732 (BB_TO_BLOCK): Fixed to handle EBBs.
12733 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12734 (ebb_head): New static variable.
12735 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12736 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12738 (compute_dom_prob_ps): New assertion.
12739 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12740 global_live_at_start.
12741 (init_ready_list): New assertions.
12742 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12743 (new_ready): Add support for BEGIN_CONTROL speculation.
12744 (schedule_insns): Fixed code that updates register live information
12746 (schedule_region): Fixed to handle EBBs.
12747 (init_regions): Use extend_regions and check_dead_notes1.
12748 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12749 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12750 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12751 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12752 TARGET_SCHED_GEN_CHECK,
12753 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12754 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12755 * doc/invoke.texi (max-sched-insn-conflict-delay,
12756 sched-spec-prob-cutoff): Document.
12758 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12760 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12761 inter_tick, queue_index.
12762 (struct sched_info): Change signature of init_ready_list field.
12763 Adjust all initializations.
12764 (RESOLVED_DEPS): New access macro.
12765 (ready_add): Remove prototype.
12766 (try_ready): Add prototype.
12767 * sched-rgn.c (init_ready_list): Use try_ready.
12768 (schedule_region): Initialize
12769 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12770 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12771 (init_ready_list): Use try_ready.
12772 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12773 * lists.c (remove_list_elem): Remove `static'.
12774 (remove_free_INSN_LIST_elem): New function.
12775 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12776 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12777 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12779 (readyp): New variable.
12780 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12781 change_queue_index, resolve_dep): New static functions.
12782 (try_ready): New function. Adjust callers in sched-rgn.c and
12783 sched-ebb.c to use it instead of ready_add.
12784 (clock_var): Move at the begining of file.
12785 (rank_for_schedule): Fix typo.
12786 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12787 (ready_lastpos): Enforce assertion.
12788 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12789 update all callers.
12790 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12791 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12792 (queue_to_ready): Use free_INSN_LIST_list.
12793 (early_queue_to_ready): Fix typo.
12794 (schedule_block): Init readyp. Move init_ready_list call after the
12795 initialization of clock_var. Fix error in rejecting insn by
12796 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12797 that previously corrected INSN_TICKs. Add code for handling
12799 (set_priorities): Fix typo.
12800 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12801 Clarify comment and code that keeps current_sched_info->next_tail
12804 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12806 * sched-rgn.c (extend_rgns): New static function.
12807 (find_rgns): Use it.
12808 (gather_region_statistics, print_region_statistics): New static
12810 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12811 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12813 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12814 Andrey Belevantsev <abel@ispras.ru>
12816 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12817 * lists.c (unused_deps_list): New variable.
12818 (free_list): Add assertions to verify the proper distinguishing
12819 between INSN_LISTs and DEPS_LISTs.
12820 (find_list_elem, remove_list_elem, remove_list_node): New static
12822 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12823 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12824 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12825 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12827 (free_INSN_LIST_node): Likewise.
12828 * modulo-sched.c (current_sched_info): Initialize flags field.
12829 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12830 * rtl.def (DEPS_LIST): Define.
12831 * rtl.h: Declare new functions from lists.c.
12832 * sched-deps.c (spec_dependency_cache): New static variable.
12833 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12834 (add_dependence): Change return type to void. Move the logic to ...
12835 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12836 (delete_all_dependences): Add comment about forward_dependency_cache.
12837 Handle spec_dependency_cache. Handle DEPS_LISTs.
12838 (fixup_sched_groups): Clarify the change of priority of output
12839 and anti dependencies.
12840 (sched_analyze_2): Adjust add_dependence calls to create data
12841 speculative dependence.
12842 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12843 Adjust all callers. Handle DEPS_LISTS.
12844 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12845 presence of speculation.
12846 (init_dependency_caches, free_dependency_caches):
12847 Handle spec_dependency_cache.
12848 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12849 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12850 New static functions.
12851 (add_or_update_back_dep, add_or_update_back_forw_dep,
12852 add_back_forw_dep, delete_back_forw_dep): New functions.
12853 * sched-int.h (ds_t, dw_t): New typedefs.
12854 (struct sched_info): Add new field flags.
12855 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12856 Prototype new sched-deps.c functions.
12857 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12858 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12859 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12860 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12861 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12862 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12864 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12866 * sched-rgn.c (current_sched_info): Initialize flags field.
12867 (schedule_insns): Initialize current_sched_info before the sched_init
12869 * sched-ebb.c (current_sched_info): Initialize flags field.
12870 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12871 Call add_or_update_back_dep instead of add_dependence.
12872 Create control speculative dependencies.
12873 (schedule_insns): Initialize current_sched_info before the sched_init
12876 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12878 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12880 (sh_fallback_frame_state): Likewise.
12882 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12884 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12885 Do switch on default_use_cxa_atexit.
12886 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12887 * config/darwin-crt3.o: New.
12888 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12889 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12890 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12892 * config/rs6000/t-darwin: Move crt2.o building to here.
12893 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12894 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12897 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12899 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12900 from '! xxx' to '!xxx' for coding-style conformance.
12901 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12902 (EXTRA_CONSTRAINT): Likewise.
12903 * config/vax/vax.md (four unnamed insns): Likewise.
12905 2006-03-15 Paul Brook <paul@codesourcery.com>
12907 * config/arm/arm.c (minipool_pad): New.
12908 (add_minipool_forward_ref): Include pool alignment padding in address
12910 (push_minipool_fix): Set minipool_pad.
12911 (minipool_pad): Ditto.
12913 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12915 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12916 instead of GET_CODE() == MEM and REG_P() instead of
12918 (print_operand_address): Likewise.
12919 (vax_address_cost): Likewise.
12920 (vax_rtx_costs): Likewise.
12921 (vax_notice_update_cc): Likewise.
12922 (vax_output_int_add): Likewise.
12923 (INDEX_REGISTER_P): Likewise.
12924 (BASE_REGISTER_P): Likewise.
12925 (nonindexed_address_p): Likewise.
12926 (vax_mode_dependent_address_p): Likewise.
12927 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12928 (PRINT_OPERAND): Likewise.
12929 * config/vax/vax.md (ashlsi3): Likewise.
12930 (ashlsi3): Likewise.
12931 (some more unnamed insns): Likewise.
12933 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12935 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12936 iterator-style macro.
12937 (mark_control_dependent_edges_necessary): Update the use of
12938 EXECUTE_IF_CONTROL_DEPENDENT.
12940 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12942 * config/sh/predicates.md (cache_address_operand): Special.
12943 (ua_address_operand): Likewise.
12945 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12947 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12949 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12951 2006-03-15 Andreas Schwab <schwab@suse.de>
12953 * gensupport.c (identify_predicable_attribute): Don't free p_false
12954 when it is still in use.
12956 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12958 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12959 the default setting here.
12961 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12963 * tree-pass.h (pass_cfg): Remove.
12964 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12965 * passes.c (pass_cfg): Don't run it.
12967 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12969 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12970 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12972 (stack_regs_mentioned): Update the uses of
12973 stack_regs_mentioned_data. Don't access the array beyond its
12975 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12976 Don't include gt-reg-stack.h.
12978 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12979 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12981 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12983 PR middle-end/26684
12984 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
12987 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12989 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
12991 2006-03-14 Richard Guenther <rguenther@suse.de>
12993 PR tree-optimization/26672
12994 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
12997 2006-03-14 Richard Guenther <rguenther@suse.de>
12999 PR tree-optimization/26667
13000 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13001 node for the callees. Always allow inlining if it will shrink
13004 2006-03-14 Richard Guenther <rguenther@suse.de>
13006 PR middle-end/26659
13007 * builtins.c (get_pointer_alignment): Prefer alignment
13008 information from decls over that from types.
13010 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13013 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13015 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13017 * config/rs6000/rs6000.opt (mdlmzb): New option.
13018 (msched-prolog, msched-epilog): Use Var not Mask.
13019 * doc/invoke.texi (-mdlmzb): Document.
13020 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13022 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13023 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13025 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13027 PR rtl-optimization/25739
13028 * bt-load.c (augment_live_range): Free tos pointer.
13030 * gensupport.c (identify_predicable_attribute): Free
13032 * gcov.c (create_file_names): Free name pointer.
13034 2006-03-13 Roger Sayle <roger@eyesopen.com>
13036 PR middle-end/26557
13037 * stmt.c (emit_case_nodes): Handle the case where the index is a
13038 CONST_INT, where the comparison mode is specified by the index type.
13040 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13042 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13045 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13047 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13048 (*branch_fp_inverted): Likewise.
13050 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13052 PR middle-end/25989
13053 * omp-low.c (expand_omp_for_generic): Mark istart0
13054 and iend0 as addressable.
13056 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13058 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13060 2006-03-13 Jeff Law <law@redhat.com>
13062 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13063 virtual operands are interesting.
13064 (vrp_visit_stmt): Corresponding changes.
13066 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13068 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13070 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13071 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13072 * config/bfin/crti.S: Use it instead of __PIC__.
13073 * config/bfin/crtn.S: Likewise.
13075 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13076 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13078 Lose 'G' modifier for call operand.
13079 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13080 recognize 'G' modifier.
13082 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13084 PR middle-end/18859
13085 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13086 * stmt.c (expand_case): Likewise.
13088 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13090 PR rtl-optimization/26254
13091 * loop-invariant.c (seq_insns_valid_p): New function.
13092 (move_invariant_reg): Only emit new code if it is valid.
13094 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13096 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13098 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13099 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13100 (commit_one_edge_insertion): Do not look for loop notes.
13102 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13104 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13105 flag_test_coverage out of loop.
13107 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13109 * final.c (shorten_branches): Remove outdated comment, and turn
13110 the if branch that guards it to continue.
13112 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13114 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13115 * cfgloop.h (struct loop): Remove unused fields.
13117 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13119 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13120 (-dL, -fdump-rtl-loop2): Update the dump file names
13122 * doc/invoke.texi: Update dump file names.
13124 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13126 * predict.c (estimate_probability): Remove.
13127 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13128 * basic-block.h (estimate_probability): Remove prototype.
13129 * passes.c (finish_optimization_passes): Dump branch prediction or
13130 profiling heuristics to the .profile tree dump.
13131 (init_optimization_passes): Unqueue pass_branch_prob.
13133 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13135 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13137 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13138 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13140 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13142 * function.h (frame_offset_overflow): Declare.
13143 * function.c (frame_offset_overflow): New function.
13144 (assign_stack_local_1): Call it to detect that the offset overflows.
13145 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13147 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13149 * config/sh/sh.c: Include alloc-pool.h.
13150 (label_ref_list_pool): New alloc pool.
13151 (label_ref_list_t): New type for lists of labels.
13152 (struct pool_node): Make wend a label_ref_list_t.
13153 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13155 (dump_table): Likewise.
13156 (sh_reorg): Set up the alloc pool before using add_constant and
13157 dump_table, and destroy it when finishing.
13159 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13161 * config/mips/mips.c: Remove redundant comment.
13163 2006-03-10 Jason Merrill <jason@redhat.com>
13166 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13167 the target was declared 'register'.
13169 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13171 * genpreds.c (write_insn_constraint_len): Change definition of
13172 insn_constraint_len to return size_t to match the declaration.
13174 2006-03-10 DJ Delorie <dj@redhat.com>
13176 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13178 (m32c_expand_insv): Fix test for an AND mask.
13180 2006-03-10 Richard Guenther <rguenther@suse.de>
13182 PR middle-end/26565
13183 * builtins.c (get_pointer_alignment): Handle component
13184 references for field alignment.
13186 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13188 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13189 when building with libgloss.
13190 (sh*elf): Implement --without-fp option.
13191 (sh64-superh-linux*): Don't multilib.
13193 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13195 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13197 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13199 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13200 Set it when one of the replacement functions returned true.
13201 Return TODO_cleanup_cfg if cfgchanged is true.
13202 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13204 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13206 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13207 instead of gen_lowpart.
13209 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13211 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13213 (mips_output_order_conditional_branch): Declare.
13214 * config/mips/mips.h (MIPS_BRANCH): New macro.
13215 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13216 for the comparison. Use gen_condjump.
13217 (mips_output_conditional_branch): Rework interface to take the
13218 asm templates for a direct branch and the inverse of a direct branch.
13219 (mips_output_order_conditional_branch): New function.
13220 (mips_builtin_branch_and_move): New function.
13221 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13222 branch condition. Use gen_single_cc as the condition for
13223 __builtin_mips_upper_* or __builtin_mips_lower_*.
13224 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13225 Use VOIDmode for the branch condition.
13226 * config/mips/predicates.md (order_operator): New predicate.
13227 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13228 (branch_fp): Rename to...
13229 (*branch_fp): ...this. Remove mode from comparison operator.
13230 Use new mips_output_conditional_branch interface.
13231 (branch_fp_inverted): Rename to...
13232 (*branch_fp_inverted): ...this and update as for *branch_fp.
13233 (*branch_zero<mode>): Rename to...
13234 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13235 Use mips_output_order_conditional_branch. Only accept ordered
13237 (*branch_zero<mode>_inverted): Rename to...
13238 (*branch_order<mode>_inverted): ...this and update as for
13239 *branch_order<mode>.
13240 (*branch_equality<mode>): Accept zero as the second operand to
13241 the equality operator. Use the new mips_output_conditional_branch
13243 (*branch_equality<mode>_inverted): Likewise.
13244 (condjump): New expander.
13245 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13247 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13248 (bc1any2t, bc1any2f): Likewise.
13249 (single_cc): New expander.
13250 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13252 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13254 * doc/md.texi: Update documentation of MIPS constraints.
13255 * config/mips/constraints.md: New file.
13256 * config/mips/mips.md: Include it.
13257 * config/mips/mips.c (mips_char_to_class): Delete.
13258 (override_options): Don't initialize mips_char_to_class.
13259 * config/mips/mips.h (mips_char_to_class): Delete.
13260 (REG_CLASS_FROM_LETTER): Delete.
13261 (CONST_OK_FOR_LETTER_P): Delete.
13262 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13263 (EXTRA_CONSTRAINT_Y): Delete.
13264 (EXTRA_CONSTRAINT_STR): Delete.
13265 (CONSTRAINT_LEN): Delete.
13266 (EXTRA_MEMORY_CONSTRAINT): Delete.
13268 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13270 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13271 original fn's eh regions.
13273 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13275 * fold-const.c (build_range_check): Make sure to use a valid type to
13276 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13279 (range_predecessor): New static function.
13280 (range_successor): Likewise.
13281 (merge_ranges): Use them to compute predecessors and successors of
13284 2006-03-09 Roger Sayle <roger@eyesopen.com>
13286 PR middle-end/26561
13287 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13288 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13290 2006-03-08 DJ Delorie <dj@redhat.com>
13292 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13293 (addpsi3): Expand to include memory operands. Remove
13294 reload-specific splits.
13295 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13296 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13297 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13298 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13299 (shift1_qi, shift1_hi, insv): New.
13300 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13301 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13302 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13304 * config/m32c/m32c-protos.h: Update as needed.
13305 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13306 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13307 Fail for unrecognized R* constraints.
13308 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13309 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13310 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13312 (m32c_init_libfuncs): New.
13313 (m32c_legitimate_address_p): Add debug wrapper.
13314 (m32c_rtx_costs): New.
13315 (m32c_address_cost): New.
13316 (conversions): Add 'B' prefix.
13317 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13318 operands, or word regnames for QI operands. 'B' prints bit
13320 (m32c_expand_setmemhi): New.
13321 (m32c_expand_movmemhi): New.
13322 (m32c_expand_movstr): New.
13323 (m32c_expand_cmpstr): New.
13324 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13325 (m32c_expand_neg_mulpsi3): Handle non-ints.
13326 (m32c_cmp_flg_0): New.
13327 (m32c_expand_movcc): New.
13328 (m32c_expand_insv): New.
13329 (m32c_scc_pattern): New.
13330 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13331 a0/a1 out of SIregs.
13332 (STORE_FLAG_VALUE): New.
13333 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13336 * config/m32c/mov.md: Make constraints more liberal.
13337 (zero_extendqihi2): Optimize r0/r1 case.
13338 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13339 * config/m32c/predicates.md (m32c_any_operand): New.
13340 (m32c_nonimmediate_operand): New.
13341 (m32c_hl_operand): New.
13342 (m32c_r3_operand): New.
13345 (memsym_operand): New.
13346 (memimmed_operand): New.
13347 (a_qi_operand): New.
13348 (m32c_eqne_operator): New.
13349 (m32c_1bit8_operand): New.
13350 (m32c_1bit16_operand): New.
13351 (m32c_1mask8_operand): New.
13352 (m32c_1mask16_operand): New.
13353 * config/m32c/blkmov.md: New file.
13354 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13356 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13358 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13359 unsigned to fix signed/unsigned comparison issue in
13360 DWARF2_FRAME_REG_OUT.
13361 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13362 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13364 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13365 of ptr into the ENABLE_CHECKING section.
13367 2006-03-08 Jeff Law <law@redhat.com>
13369 * tree-vrp.c (infer_value_range): Only count pointer uses
13370 and dereferences if -fdelete-null-pointer-checks is enabled.
13372 * tree-vrp.c (find_assert_locations): Infer value ranges for
13373 single use pointers, but do not create ASSERT_EXPRs for them.
13374 When a non-null range is inferred for a pointer, backwards
13375 propagate that range to other equivalent pointers through the
13378 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13381 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13382 language hook targets.
13383 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13384 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13385 if language hook targets were missing.
13387 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13389 * tree-ssa-opfinalize.h: Removed.
13390 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13392 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13393 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13394 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13395 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13396 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13397 finalize_ssa_v_must_def_ops): New.
13399 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13401 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13402 block as parameter.
13404 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13406 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13408 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13409 addresses with offsets; reorganize.
13411 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13412 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13413 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13415 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13418 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13420 2006-03-08 Ben Elliston <bje@au.ibm.com>
13422 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13424 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13427 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13430 2006-03-07 Richard Guenther <rguenther@suse.de>
13432 PR tree-optimization/26587
13433 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13435 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13437 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13439 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13441 * hooks.c (hook_bool_mode_rtx_true): New function.
13442 * hooks.h (hook_bool_mode_rtx_true): Declare.
13443 * toplev.c (compile_file): Call output_shared_constant_pool.
13444 * varasm.c (shared_constant_pool): New variable.
13445 (assemble_start_function, assemble_end_function): Remove arguments
13446 from call to output_constant_pool.
13447 (create_constant_pool): New function, split out from...
13448 (init_varasm_status): ...here.
13449 (force_const_mem): Choose between the shared and per-function constant
13450 pools. Set current_function_uses_const_pool when reusing old entries
13451 as well as when creating new ones.
13452 (mark_constant): Ignore data argument.
13453 (mark_constants): Remove pool argument.
13454 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13455 to decide whether the function uses a constant pool.
13456 (output_constant_pool_contents): New function, split out from...
13457 (output_constant_pool): ...here.
13458 (output_shared_constant_pool): New function.
13459 (init_varasm_once): Initialize shared_constant_pool.
13460 * output.h (output_constant_pool): Delete.
13461 (output_shared_constant_pool): Declare.
13462 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13463 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13465 2006-03-06 Nick Clifton <nickc@redhat.com>
13467 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13468 flag_strength_reduce.
13470 2006-03-06 Ben Elliston <bje@au.ibm.com>
13472 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13473 x86_64-*-linux* configurations.
13475 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13476 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13478 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13480 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13482 * basic-block.h: Remove the extern for
13483 rediscover_loops_after_threading.
13485 * cfgloop.c (cancel_loop): Make it static.
13486 * cfgloop.h: Remove the prototype for cancel_loop.
13488 * flow.c (recompute_reg_usage): Make it static.
13489 * rtl.h: Remove the prototype for recompute_reg_usage.
13491 * function.c (use_return_register): Make it static.
13492 * function.h: Remove the prototype.
13494 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13496 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13498 * recog.h: Remove the prototype for
13499 validate_change_maybe_volatile.
13501 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13503 * rtlanal.c (replace_reg): Remove.
13504 * rtl.h: Remove the prototype for replace_reg.
13506 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13508 * regclass.c (reg_scan_update): Remove.
13509 (reg_scan_mark_refs): Remove the last argument.
13510 * rtl.h: Remove the prototype for reg_scan_update.
13512 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13514 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13515 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13516 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13517 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13518 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13519 loop-invariant.c, omp-low.c, opts.c, passes.c,
13520 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13521 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13522 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13523 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13524 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13525 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13527 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13529 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13530 * dwarf2out.h: Remove the prototype for
13531 dwarf2out_add_library_unit_info.
13533 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13535 * tree.c (add_var_to_bind_expr): Remove.
13536 * tree.h: Remove the prototype for add_var_to_bind_expr.
13538 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13540 * regclass.c (n_non_fixed_regs): Remove.
13541 (init_reg_sets_1, globalize_reg): Remove all uses of
13543 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13545 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13547 * rtlanal.c (insns_safe_to_move_p): Remove.
13548 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13550 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13552 * expmed.c (expand_mult_add): Remove.
13553 * expr.h: Remove the prototype for expand_mult_add.
13555 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13557 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13558 and REG_SAVED_VAL_EXP constants.
13559 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13560 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13561 Handle regs stored by value.
13562 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13563 (execute_cfa_program): Handle DW_CFA_val_offset,
13564 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13565 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13566 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13567 (uw_install_context_1): Handle target regs stored by value.
13569 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13571 * tree-sra.c (tree_sra): Return todoflags;
13572 (generate_one_element): Set TODO_update_smt_usage if needed.
13573 (pass_sra): Remove TODO_update_smt_usage.
13574 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13576 (tree_ssa_forward_propagate_single_use_vars): Return
13577 TODO_update_smt_usage if we need to update SMT usage.
13578 (pass_forwprop): Remove TODO_update_smt_usage.
13580 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13582 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13583 (correct_use_link): Remove reference to get_stmt_operands.
13584 (update_stmt_operands): Likewise.
13585 (get_modify_expr_operands): New function factored out of
13586 parse_ssa_operands and get_expr_operands.
13587 Try to create V_MUST_DEFs for LHS by default.
13588 (get_expr_operands) <case MODIFY_EXPR>: Call
13589 get_modify_expr_operands.
13590 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13591 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13592 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13593 get_modify_expr_operands.
13595 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13597 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13598 * tree-flow.h: Remove the prototype for
13599 referenced_var_lookup_if_exists.
13601 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13603 PR rtl-optimization/26345
13605 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13607 2006-03-03 Roger Sayle <roger@eyesopen.com>
13609 PR tree-optimization/26524
13610 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13611 fold_convert to create a constant of the appropriate type.
13613 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13615 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13616 SYMBOL_REF_IN_BLOCK_P.
13617 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13618 of SYMBOL_FLAG_IN_BLOCK.
13619 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13620 instead of SYMBOL_REF_IN_BLOCK_P.
13621 * explow.c (use_anchored_address): Likewise.
13622 * rtl.c (rtx_size): Likewise.
13623 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13624 instead of SYMBOL_FLAG_IN_BLOCK.
13625 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13626 SYMBOL_REF_IN_BLOCK_P.
13627 (assemble_variable): Likewise.
13628 (output_constant_def_contents): Likewise.
13629 (output_constant_pool): Likewise.
13630 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13631 instead of SYMBOL_FLAG_IN_BLOCK.
13632 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13633 SYMBOL_REF_IN_BLOCK_P.
13634 (SYMBOL_REF_BLOCK): Likewise.
13635 (SYMBOL_REF_OFFSET): Likewise.
13636 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13637 SYMBOL_REF_IN_BLOCK_P.
13638 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13639 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13640 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13641 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13643 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13645 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13647 2006-03-02 Roger Sayle <roger@eyesopen.com>
13649 * simplify-rtx.c (simplify_unary_operation): When simplifying
13650 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13651 that we perform the right shift in the appropriate mode, and
13652 then extend or truncate the result to requested mode.
13654 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13656 * gengtype.c (main): Handle double_int type.
13657 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13658 * double-int.c: New file.
13659 * double-int.h: New file.
13660 * system.h: Include doubleint.h.
13661 * Makefile.in (SYSTEM_H): Include double-int.h.
13662 (double-int.o): Add.
13664 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13667 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13670 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13672 * tree-vrp.c (remove_range_assertions): Do not update statements
13675 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13677 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13679 * gcse.c (rest_of_handle_gcse): Ditto.
13680 * except.c (gate_handle_eh): Ditto.
13681 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13682 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13684 2006-03-02 Eric Christopher <echristo@apple.com>
13686 * config/i386/i386.c (machopic_output_stub): Add indirection to
13689 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13693 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13695 Sun Niagara specific optimizations.
13696 * config.gcc: Recognize niagara as target.
13697 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13698 (TARGET_CPU_niagara): Define.
13699 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13700 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13701 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13702 (ASM_CPU_SPEC): Likewise.
13703 (PROCESSOR_NIAGARA): New enum entry.
13704 (REGISTER_MOVE_COST): Handle Niagara.
13705 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13706 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13707 (sparc_override_options): Recognize "niagara", set appropriate
13708 default MASK_* values for it, and align functions to 32-bytes
13709 by default just like ULTRASPARC/ULTRASPARC3.
13710 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13711 (sparc64_initialize_trampoline): Likewise.
13712 (sparc_use_sched_lookahead): Use zero for niagara.
13713 (sparc_issue_rate): Use one for niagara.
13714 * config/sparc/niagara.md: New file.
13715 * config/sparc/sparc.md: Include it.
13716 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13717 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13718 when default cpu is niagara.
13719 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13720 (ASM_CPU_SPEC): Likewise.
13721 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13722 when default cpu is niagara.
13723 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13724 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13725 just like v9/ultrasparc/ultrasparc3.
13726 * doc/invoke.texi: Add documentation for "niagara" and improve
13727 existing documentation for ultrasparc variants.
13729 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13731 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13733 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13735 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13736 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13737 and say that only one is needed.
13738 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13739 * target.h (have_switchable_bss_sections): New hook.
13740 * explow.c (use_anchored_address): Check that the symbol is in a block.
13741 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13742 (bss_noswitch_section): New variables.
13743 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13744 (get_noswitch_section): New function.
13745 (get_block_for_section): Allow SECT to be null.
13746 (unlikely_text_section_p): Use SECTION_STYLE.
13747 (bss_initializer_p): New function.
13748 (get_variable_section): Move earlier in file. Take a new argument,
13749 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13750 Return one of the new *_sections in such cases.
13751 (get_block_for_decl): New function, extracting some logic from
13752 use_blocks_for_decl_p.
13753 (change_symbol_section): Remove in favor of...
13754 (change_symbol_block): ...this new function.
13755 (use_blocks_for_decl_p): Remove checks now performed by
13756 get_block_for_decl.
13757 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13758 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13759 (emit_local, emit_bss, emit_common): ...these new functions.
13760 Return true if the alignment was honored.
13761 (emit_tls_common): New function.
13762 (asm_emit_uninitialised): Delete.
13763 (assemble_variable_noswitch): New function, split out from...
13764 (assemble_variable): ...here. Don't make decisions about common
13765 variables here. Globalize all public decls that go into non-common
13766 sections. Check whether SYMBOL_REF_BLOCK is null.
13767 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13768 (output_constant_pool): Likewise.
13769 (init_varasm_once): Initialize the new section variables.
13770 (have_global_bss_p): New function.
13771 (categorize_decl_for_section): Use bss_initializer_p.
13772 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13773 (place_block_symbol): Assert that the symbol must be in a block.
13774 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13775 (TARGET_INITIALIZER): Include it.
13776 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13777 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13778 (SECTION_MACH_DEP): Bump by two.
13779 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13780 (unnamed_section): Mention SECTION_UNNAMED in comment.
13781 (named_section): Likewise SECTION_NAMED.
13782 (noswitch_section_callback): New type.
13783 (noswitch_section): New structure.
13784 (section): Add a noswitch_section alternative.
13785 (SECTION_STYLE): New macro.
13786 (tls_comm_section, comm_section, lcomm_section): Declare.
13787 (bss_noswitch_section, have_global_bss_p): Declare.
13788 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13789 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13791 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13792 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13795 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13797 * tree-vrp.c (execute_vrp): Return value.
13798 * regrename.c (rest_of_handle_regrename): Ditto.
13799 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13800 * tree-complex.c (tree_lower_complex): Ditto.
13801 (tree_lower_complex_O0): Ditto.
13802 * tracer.c (rest_of_handle_tracer): Ditto.
13803 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13804 * postreload.c (rest_of_handle_postreload): Ditto.
13805 * tree-tailcall.c (execute_tail_recursion): Ditto.
13806 (execute_tail_calls): Ditto.
13807 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13808 * tree.h (init_function_for_compilation): Ditto.
13809 * ipa-cp.c (ipcp_driver): Ditto.
13810 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13811 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13812 * final.c (compute_alignments): Ditto.
13813 (rest_of_handle_final): Ditto.
13814 (rest_of_handle_shorten_branches): Ditto.
13815 (rest_of_clean_state): Ditto.
13816 * omp-low.c (execute_expand_omp): Ditto.
13817 (execute_lower_omp): Ditto.
13818 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13819 * ipa-reference.c (static_execute): Ditto.
13820 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13821 * reorg.c (rest_of_handle_delay_slots): Ditto.
13822 (rest_of_handle_machine_reorg): Ditto.
13823 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13824 * flow.c (recompute_reg_usage): Ditto.
13825 (rest_of_handle_remove_death_notes): Ditto.
13826 (rest_of_handle_life): Ditto.
13827 (rest_of_handle_flow2): Ditto.
13828 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13829 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13830 (do_ssa_store_ccp): Ditto.
13831 (execute_fold_all_builtins): Ditto.
13832 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13833 * modulo-sched.c (rest_of_handle_sms): Ditto.
13834 * ipa-pure-const.c (static_execute): Ditto.
13835 * cse.c (rest_of_handle_cse): Ditto.
13836 (rest_of_handle_cse2): Ditto.
13837 * web.c (rest_of_handle_web): Ditto.
13838 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13839 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13840 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13841 * tree-nrv.c (tree_nrv): Ditto.
13842 (execute_return_slot_opt): Ditto.
13843 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13844 (create_structure_vars): Ditto.
13845 * loop-init.c (rtl_loop_init): Ditto.
13846 (rtl_loop_done): Ditto.
13847 (rtl_move_loop_invariants): Ditto.
13848 (rtl_unswitch): Ditto.
13849 (rtl_unroll_and_peel_loops): Ditto.
13850 (rtl_doloop): Ditto.
13851 * gimple-low.c (lower_function_body): Ditto.
13852 (mark_used_blocks): Ditto.
13853 * tree-ssa-sink.c (execute_sink_code): Ditto.
13854 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13855 (cgraph_early_inlining): Ditto.
13856 * global.c (rest_of_handle_global_alloc): Ditto.
13857 * jump.c (cleanup_barriers): Ditto.
13858 (purge_line_number_notes): Ditto.
13859 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13860 (rest_of_handle_if_after_reload): Ditto.
13861 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13862 (tree_ssa_loop_im): Ditto.
13863 (tree_ssa_loop_unswitch): Ditto.
13864 (tree_vectorize): Ditto.
13865 (tree_linear_transform): Ditto.
13866 (tree_ssa_loop_ivcanon): Ditto.
13867 (tree_ssa_empty_loop): Ditto.
13868 (tree_ssa_loop_bounds): Ditto.
13869 (tree_complete_unroll): Ditto.
13870 (tree_ssa_loop_prefetch): Ditto.
13871 (tree_ssa_loop_ivopts): Ditto.
13872 (tree_ssa_loop_done): Ditto.
13873 * predict.c (tree_estimate_probability): Ditto.
13874 * recog.c (split_all_insns_noflow): Ditto.
13875 (rest_of_handle_peephole2): Ditto.
13876 (rest_of_handle_split_all_insns): Ditto.
13877 * tree-eh.c (lower_eh_constructs): Ditto.
13878 * regmove.c (rest_of_handle_regmove): Ditto.
13879 (rest_of_handle_stack_adjustments): Ditto.
13880 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13881 * function.c (instantiate_virtual_regs): Ditto.
13882 (init_function_for_compilation): Ditto.
13883 (rest_of_handle_check_leaf_regs): Ditto.
13884 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13885 (rest_of_handle_gcse): Ditto.
13886 * ipa-type-escape.c (type_escape_execute): Ditto.
13887 * alias.c (rest_of_handle_cfg): Ditto.
13888 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13889 * profile.c (rest_of_handle_branch_prob): Ditto.
13890 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13891 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13892 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13893 * tree-dfa.c (find_referenced_vars): Ditto.
13894 * except.c (set_nothrow_function_flags): Ditto.
13895 (convert_to_eh_region_ranges): Ditto.
13896 (rest_of_handle_eh): Ditto.
13897 * emit-rtl.c (unshare_all_rtl): Ditto.
13898 (remove_unnecessary_notes): Ditto.
13899 * except.h (set_nothrow_function_flags): Ditto.
13900 (convert_to_eh_region_ranges): Ditto.
13901 * cfgexpand.c (tree_expand_cfg): Ditto.
13902 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13903 * tree-ssa-pre.c (do_pre): Ditto.
13904 (execute_fre): Ditto.
13905 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13906 (rest_of_handle_jump2): Ditto.
13907 * tree-sra.c (tree_sra): Ditto.
13908 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13909 (execute_mudflap_function_decls): Ditto.
13910 * tree-ssa-copy.c (do_copy_prop): Ditto.
13911 (do_store_copy_prop): Ditto.
13912 * ipa-prop.h (ipcp_driver): Ditto.
13913 * cfglayout.c (insn_locators_initialize): Ditto.
13914 * tree-ssa-forwprop.c
13915 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13916 * cfglayout.h (insn_locators_initialize): Ditto.
13917 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13918 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13919 (execute_late_warn_uninitialized): Ditto.
13920 * rtl.h (cleanup_barriers): Ditto.
13921 (split_all_insns_noflow): Ditto.
13922 (purge_line_number_notes): Ditto.
13923 (unshare_all_rtl): Ditto.
13924 (remove_unnecessary_notes): Ditto.
13925 (recompute_reg_usage): Ditto.
13926 (variable_tracking_main): Ditto.
13927 * integrate.c (emit_initial_value_sets): Ditto.
13928 * integrate.h (emit_initial_value_sets): Ditto.
13929 * tree-optimize.c (execute_free_datastructures): Ditto
13930 (execute_free_cfg_annotations): Ditto.
13931 (execute_fixup_cfg): Ditto.
13932 (execute_cleanup_cfg_pre_ipa): Ditto.
13933 (execute_cleanup_cfg_post_optimizing): Ditto.
13934 (execute_init_datastructures): Ditto.
13935 * tree-object-size.c (compute_object_sizes): Ditto.
13936 * combine.c (rest_of_handle_combine): Ditto.
13937 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13938 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13939 (rest_of_handle_reorder_blocks): Ditto.
13940 (rest_of_handle_partition_blocks): Ditto.
13941 * var-tracking.c (variable_tracking_main): Ditto.
13942 * tree-profile.c (tree_profiling): Ditto.
13943 * tree-vect-generic.c (expand_vector_operations): Ditto.
13944 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13945 * sched-rgn.c (rest_of_handle_sched): Ditto.
13946 (rest_of_handle_sched2): Ditto.
13947 * basic-block.h (free_bb_insn): Ditto.
13948 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13949 * tree-cfg.c (execute_build_cfg): Ditto.
13950 (remove_useless_stmts): Ditto.
13951 (split_critical_edges): Ditto.
13952 (execute_warn_function_return): Ditto.
13953 (execute_warn_function_noreturn): Ditto.
13954 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13955 * cfgrtl.c (free_bb_for_insn): Ditto.
13956 * passes.c (execute_one_pass): Run additional
13957 todos returned by execute function.
13958 * tree-pass.h (struct tree_opt_pass): Make execute
13961 2006-03-02 Richard Guenther <rguenther@suse.de>
13963 * tree-ssa-alias.c (find_used_portions): Consider taking
13964 the address as making the variable not write-only.
13966 2006-03-02 Nick Clifton <nickc@redhat.com>
13968 * config.gcc (default_use_cxa_atexit): Extend the description of
13969 this configure variable. Set its default value to "yes" for
13970 Linux, NetBSD and ELF targets on the assumption that they will
13971 use C libraries with the __cxa_atexit function.
13973 2006-03-02 Ben Elliston <bje@au.ibm.com>
13975 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13976 parameter as unused to suppress a build warning.
13978 2006-03-02 Ben Elliston <bje@au.ibm.com>
13980 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13983 2006-03-01 Roger Sayle <roger@eyesopen.com>
13986 * gthr-posix.h (__gthrw2): Define to take three parameters, the
13987 declared name, the weak reference name, and the typeof name.
13988 (__gthrw): Avoid expanding the declared name suffix.
13989 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
13991 2006-03-01 Jakub Jelinek <jakub@redhat.com>
13993 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
13995 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
13996 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
13997 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
13998 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
13999 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14000 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14001 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14002 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14003 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14004 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14005 (DW_END_default, DW_END_big, DW_END_little): New.
14006 (DW_END_lo_user, DW_END_hi_user): Define.
14007 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14008 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14009 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14012 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14014 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14016 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14018 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14020 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14022 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14023 to 'symbol_mem_tag'.
14025 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14028 2006-03-01 Roger Sayle <roger@eyesopen.com>
14030 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14032 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14035 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14036 MACHO_DYNAMIC_NO_PIC_P.
14037 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14039 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14042 * config/darwin-protos.h (darwin_asm_output_anchor):
14044 * config/darwin-sections.def (cstring_section):
14045 Add SECTION_MERGE to the flags.
14046 (literal4_section): Likewise.
14047 (literal8_section): Likewise.
14048 (objc_selector_refs_section): Likewise.
14049 (objc_cls_refs_section): Likewise.
14050 * config/darwin.c (darwin_asm_output_anchor): New
14052 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14054 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14056 Fix PR tree-optimization/26443
14057 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14058 to todo and PROP_tmt_usage to properties_destroyed.
14059 * tree-ssa-ccp.c (pass_ccp): Ditto.
14060 (pass_store_ccp): Ditto.
14061 * tree-ssa-dom.c (pass_dominator): Ditto.
14063 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14065 * tree-ssa-operands.c: Cleanup whitespace.
14066 (get_asm_expr_operands): Move before first invocation.
14067 (get_indirect_ref_operands): Likewise.
14068 (get_tmr_operands): Likewise.
14069 (get_call_expr_operands): Likewise.
14070 (append_def): Likewise.
14071 (append_use): Likewise.
14072 (append_v_may_def): Likewise.
14073 (append_v_must_def): Likewise.
14074 (add_call_clobber_ops): Likewise.
14075 (add_call_read_ops): Likewise.
14076 (add_stmt_operand): Likewise.
14077 (add_virtual_operand): Likewise.
14078 (build_ssa_operands): Likewise.
14080 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14082 PR middle-end/26022
14084 PR middle-end/24437
14085 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14086 with a call expr to ...
14087 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14089 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14091 * tree-vrp.c (extract_range_from_assert): Remove special
14092 handling for types with super-types.
14094 2006-03-01 Ben Elliston <bje@au.ibm.com>
14096 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14097 and powerpc64-*-linux* configurations.
14098 * config/t-dfprules: New file.
14100 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14101 Compile dfp-bit.c from the source directory using -DWIDTH and
14102 $DFP_CFLAGS to control the compilation of that file, rather than
14103 generating width-specific versions in the build directory.
14104 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14105 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14107 2006-02-28 Zack Weinberg <zackw@panix.com>
14109 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14112 2006-02-28 Eric Christopher <echristo@apple.com>
14114 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14115 Set up IN_LIBGCC definition of TARGET_64BIT.
14116 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14118 2006-02-28 Roger Sayle <roger@eyesopen.com>
14120 PR middle-end/14752
14121 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14122 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14123 cases via the construction of "expr != 0".
14125 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14127 * alias.c (alias_invariant, alias_invariant_size): Remove.
14128 (record_base_value): Remove.
14129 (memrefs_conflict_p): Don't look at alias_invariant.
14130 (end_alias_analysis): Don't free it.
14131 * alias.h (record_base_value): Remove prototype.
14133 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14134 Adam Nemet <anemet@caviumnetworks.com>
14136 * rtl.h (truncated_to_mode): Declare it.
14137 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14138 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14139 (RTL_HOOKS_INITIALIZER): Include it.
14140 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14141 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14142 reg_truncated_to_mode.
14143 * rtlanal.c (truncated_to_mode): Define it.
14144 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14146 2006-02-28 Jeff Law <law@redhat.com>
14148 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14149 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14150 the range allowed by TYPE_PRECISION.
14152 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14154 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14156 PR tree-optimization/26419
14157 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14160 2006-02-27 Zack Weinberg <zackw@panix.com>
14162 * doc/md.texi: Fix typo in previous change.
14164 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14168 2006-02-27 Zack Weinberg <zackw@panix.com>
14170 * rtl.def (define_constraint, define_register_constraint)
14171 (define_memory_constraint, define_address_constraint): New MD forms.
14172 * gensupport.c (process_rtx): Put define_constraint etc on the
14174 * genpreds.c (process_define_predicate): Adjust comment. Validate
14175 the name, and call validate_exp to validate the expression.
14176 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14177 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14178 all callers changed.
14179 (validate_exp, needs_variable, struct constraint_data)
14180 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14181 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14182 (const_dbl_constraints, constraint_max_namelen)
14183 (have_register_constraints, have_memory_constraints)
14184 (have_address_constraints, have_address_constraints)
14185 (have_extra_constraints, have_const_int_constraints)
14186 (have_const_dbl_constraints, mangle, add_constraint)
14187 (process_define_constraint, process_define_register_constraint)
14188 (write_enum_constraint_num, write_lookup_constraint)
14189 (write_insn_constraint_len, write_regclass_for_constraint)
14190 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14191 (write_insn_extra_memory_constraint)
14192 (write_insn_extra_address_constraint)
14193 (write_satisfies_constraint_fns): New.
14194 (write_tm_preds_h): If we have new-style constraint definitions,
14195 prototype the functions generated from them, and define the
14196 old constraint interface (still used by generic code) in terms of
14198 (write_insn_preds_c): If we have new-style constraint definitions,
14199 generate all relevant functions from those definitions.
14200 (main): Handle define_constraint etc.
14201 * genoutput.c (struct constraint_data, indep_constraints)
14202 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14203 (mdep_constraint_len): New data structures and functions, defined
14204 #ifdef USE_MD_CONSTRAINTS.
14205 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14206 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14207 use new logic to validate operand constraints against constraint
14209 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14211 * defaults.h: If none of the old-style constraint macros are
14212 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14213 old-style macros; and poison REG_CLASS_FROM_LETTER,
14214 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14216 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14217 * doc/md.texi: Document new constraint-definition mechanism and the
14218 C interface it provides. Remove references to old mechanism
14219 elsewhere in the document.
14220 (Machine Constraints): Use pathnames relative to gcc directory,
14221 i.e. config/ARCH/FILE. Change i386 section to refer to
14222 config/i386/predicates.md; update that section to match docstrings.
14223 * doc/tm.texi: Move all documentation of the old constraint-
14224 definition macros to their own section, clearly mark as obsolete.
14226 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14227 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14229 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14230 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14231 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14232 constraint strings.
14233 (splits and peepholes): Use satisfies_constraint_*.
14234 * config/i386/i386.c (memory_address_length)
14235 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14237 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14239 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14240 scalar operation to be put back into the loop.
14242 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14245 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14246 (extract_cie_info): Handle S flag in augmentation string.
14247 (execute_cfa_program): If context->signal_frame, execute also
14248 fs->pc == context->ra instructions.
14249 (uw_frame_state_for): If context->signal_frame, don't subtract one
14250 from context->ra to find FDE.
14251 (uw_update_context_1): Set context->signal_frame to
14253 (_Unwind_GetIPInfo): New function.
14254 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14255 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14257 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14258 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14259 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14260 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14261 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14262 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14263 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14264 x86_64_fallback_frame_state): Set fs->signal_frame.
14265 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14266 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14267 (frob_update_context): Likewise. Workaround missing S flag in
14268 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14269 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14270 Remove the psw_addr + 1 hack.
14272 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14274 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14275 with aggregates here.
14276 (find_func_aliases): Remove code for &<aggregate> from here.
14278 2006-02-26 Roger Sayle <roger@eyesopen.com>
14280 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14281 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14282 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14283 as (X & C) ne/eq 0.
14285 2006-02-26 Roger Sayle <roger@eyesopen.com>
14287 PR middle-end/19983
14288 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14290 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14292 * opts.c (decode_options): Do not handle flag_strength_reduce.
14293 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14294 and OPT_fstrength_reduce.
14295 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14296 flag_prefetch_loop_arrays for being nonzero.
14297 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14299 (fprefetch-loop-arrays-rtl): Removed.
14300 (flag_prefetch_loop_arrays): Do not specify the value.
14302 * doc/passes.texi: Update documentation of loop optimizer
14304 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14305 -frerun-loop-opt): Remove.
14307 2006-02-26 Richard Guenther <rguenther@suse.de>
14309 PR tree-optimization/26421
14310 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14311 in function calls that are ADDR_EXPRs as using the whole structure.
14313 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14315 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14316 * tree-pass.h (pass_loop_optimize): Remove.
14317 * passes.c (pass_loop_optimize): Never run it.
14318 * toplev.c (backend_init): Don't call init_loop.
14319 * opts.c (flag_loop_optimize_set): Remove.
14320 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14321 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14322 the old RTL loop optimizer when profiling enabled.
14323 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14324 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14325 pre-headers for the sake of the old RTL loop optimizer.
14326 * Makefile.in: Remove all references to loop.o.
14328 * doc/invoke.texi: Remove all references to -floop-optimize
14329 and -frerun-loop-opt.
14331 2006-02-26 Zack Weinberg <zackw@panix.com>
14333 * doc/md.texi (Machine Constraints): Refer to all files with paths
14334 relative to gcc directory (i.e. config/CPU/file). Add missing
14335 @table @code ... @end table to M32C subsection.
14337 2006-02-26 Roger Sayle <roger@eyesopen.com>
14339 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14341 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14343 2006-02-26 Roger Sayle <roger@eyesopen.com>
14344 James A. Morrison <phython@gcc.gnu.org>
14346 PR middle-end/21137
14347 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14348 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14349 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14350 signedness of the shift operation.
14352 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14354 PR tree-optimization/26359
14355 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14357 2006-02-25 Roger Sayle <roger@eyesopen.com>
14359 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14360 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14361 as X == 0, and some symmetry related transformations.
14362 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14364 2006-02-25 Roger Sayle <roger@eyesopen.com>
14366 PR middle-end/23673
14367 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14368 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14369 symmetry related transformations. Fold (X^C1) == C2 as
14372 2006-02-25 Juergen Weigert <jw@suse.de>
14373 Richard Guenther <rguenther@suse.de>
14375 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14377 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14379 * combine.c (gen_lowpart_or_truncate): Call
14380 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14382 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14384 * doc/invoke.texi: Move -fopenmp description to "Options for
14386 Remove reference to -lgomp.
14388 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14390 * doc/install.texi: Require GNU tar version 1.14.
14392 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14394 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14395 * doc/invoke.texi (C++ Dialect Options): Document
14396 -fno-use-cxa-get-exception-ptr.
14397 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14398 * configure: Regenerate.
14399 * c.opt (fuse-cxa-get-exception-ptr): New.
14400 * c-opts.c (c_common_handle_option): Handle
14401 OPT_fuse_cxa_get_exception_ptr.
14402 * c-common.c (flag_use_cxa_atexit): Update documentation.
14403 (flag_use_cxa_get_exception_ptr): New.
14404 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14405 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14407 (C_COMMON_OVERRIDE_OPTIONS): New.
14409 2006-02-24 Roger Sayle <roger@eyesopen.com>
14411 PR middle-end/24952
14412 * combine.c (try_combine): Explicitly check whether GET_CODE is
14413 a SET or a CLOBBER, instead on checking that it isn't a USE.
14415 2006-02-24 Roger Sayle <roger@eyesopen.com>
14417 * fold-const.c (fold_comparison): New subroutine of fold_binary
14418 containing transformations common to both the equality and
14419 ordering relational operators, factored out of fold_binary.
14420 (fold_binary): Separate out the equality operators (EQ_EXPR
14421 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14422 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14423 transformations common to both.
14424 (fold_div_compare): Fix latent bugs in the previously unreachable
14425 LT_EXPR and GE_EXPR cases.
14427 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14429 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14430 decl libname for clog to __clog on AIX.
14432 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14434 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14437 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14438 output traceback table for thunks. Localise rs6000_stack_info call.
14440 2006-02-23 Roger Sayle <roger@eyesopen.com>
14441 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14443 * gthr-posix.h (__gthrw): Fix typo in comment.
14445 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14447 * doc/cpp.texi (Character sets): Document that we do support
14448 input files to be in any character set.
14450 2006-02-23 Jeff Law <law@redhat.com>
14452 * tree.h (PHI_ARG_NONZERO): Remove.
14453 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14454 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14455 node to the new node.
14457 PR tree-optimization/26425
14458 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14459 min/max, then assume its varying.
14461 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14463 PR rtl-optimization/26316
14464 * rtlanal.c (enum may_trap_p_flags): New.
14465 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14466 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14467 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14468 (may_trap_after_code_motion_p): New function.
14469 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14470 (find_invariant_insn): Use may_trap_after_code_motion_p.
14471 * rtl.h (may_trap_after_code_motion_p): Declare.
14473 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14475 * emit-rtl.c (immed_double_const): Cleanup.
14477 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14479 Fix PR tree-optimization/26376
14480 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14483 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14485 PR middle-end/26412
14486 * gimplify.c (omp_add_variable): Guard variable size decl test with
14487 DECL_SIZE (decl) check.
14489 2006-02-23 Richard Guenther <rguenther@suse.de>
14491 PR middle-end/26439
14492 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14493 like aggregate types.
14495 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14497 * configure.ac: Add --with{,out}-long-double-128 configure option.
14498 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14499 * configure: Rebuilt.
14500 * config.in: Rebuilt.
14501 * doc/install.texi (Options specification): Document
14502 --with-long-double-128.
14504 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14505 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14506 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14507 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14509 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14511 * config/s390/s390.c (override_options): Handle
14512 TARGET_DEFAULT_LONG_DOUBLE_128.
14514 * config/alpha/alpha.c (override_options): Handle
14515 TARGET_DEFAULT_LONG_DOUBLE_128.
14517 * config/sparc/sparc.c (sparc_override_options): Handle
14518 TARGET_DEFAULT_LONG_DOUBLE_128.
14520 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14522 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14523 (real-install-headers-tar, real-install-headers-cpio)
14524 (real-install-headers-cp): New targets.
14526 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14528 * tree.h (variable_section): Delete.
14529 * varasm.c (variable_section): Delete.
14531 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14533 * install.texi: Add notes on install.texi2html.
14534 (Building in parallel): Do not use footnotes.
14536 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14539 * doc/install.texi (Configuration): Document --disable-libgomp.
14541 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14543 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14545 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14547 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14548 (vec_extractv2df_0_sse): New.
14550 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14552 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14553 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14554 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14555 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14556 to the result of the expression.
14557 (def_cfa_1): Adjust.
14558 (frame_pointer_cfa_offset): Rename to...
14559 (frame_pointer_fb_offset): ... this. Adjust all uses.
14560 (convert_cfa_to_loc_list): Rename to...
14561 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14562 Pass it on to build_cfa_loc.
14563 (compute_frame_pointer_to_cfa_displacement): Rename to...
14564 (compute_frame_pointer_to_fb_displacement): ... this. New
14565 offset parameter. Use it in computation.
14566 (gen_subprogram_die): Compute cfa_fb_offset with the new
14567 macro, and use it to compute the fb loc list and the
14570 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14572 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14573 replaced with register_operand.
14574 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14575 non-DREG is expensive.
14576 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14577 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14580 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14582 * doc/install.texi2html: Use set -e.
14584 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14586 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14587 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14588 * doc/invoke.texi (-fshared-data): Delete.
14589 * common.opt (fshared-data): Delete.
14590 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14591 (assemble_static_space): Remove #if 0 code.
14592 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14593 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14594 * config/cris/cris.h: Remove FIXME.
14596 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14598 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14601 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14603 PR middle-end/26379
14604 * combine.c (simplify_shift_const_1): Disable nested shifts
14605 optimization for vector shifts.
14607 2006-02-20 Roger Sayle <roger@eyesopen.com>
14609 PR tree-optimization/26361
14610 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14611 of unsigned integer types.
14613 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14615 * tree-chrec.c (eq_evolutions_p): New.
14616 * tree-chrec.h (eq_evolutions_p): Declared.
14617 * tree-data-ref.c: Fix formatting.
14618 (datadep_stats, dependence_stats): New.
14620 (print_direction_vector): New.
14621 (dump_data_dependence_relation): Use print_direction_vector.
14622 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14623 (compute_subscript_distance): Static.
14624 (initialize_data_dependence_relation): Static. Get the number
14625 of loops surrounding the references from the callers, and initialize
14626 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14627 base_object_differ_p analyzers.
14628 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14629 compute_overlap_steps_for_affine_1_2,
14630 analyze_subscript_affine_affine): Count the classified dependences.
14631 Print a message when a test failed.
14632 (can_use_analyze_subscript_affine_affine): New.
14633 (analyze_siv_subscript): Compute the data dependences on symbolic
14634 scevs that verify can_use_analyze_subscript_affine_affine.
14635 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14636 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14637 Handle symbolic scevs.
14638 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14640 (subscript_dependence_tester): Moved...
14641 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14642 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14643 DDR_SIZE_VECT instead of getting it in parameter.
14644 (subscript_dependence_tester): ... here. Take as a parameter
14645 loop_nest_depth. Call build_classic_dist_vector and
14646 build_classic_dir_vector.
14647 (compute_affine_dependence): Update subscript_dependence_tester
14648 parameters. Update datadep_stats counters. Call
14649 compute_subscript_distance.
14650 (compute_self_dependence): Save the dist and dir vectors. Call
14651 compute_subscript_distance.
14652 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14653 (compute_all_dependences): Reorder parameters as they were before
14654 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14655 compute_subscript_distance. Update the use of
14656 compute_affine_dependence and initialize_data_dependence_relation.
14657 (find_data_references_in_loop): Handle COMPONENT_REF.
14658 (compute_data_dependences_for_loop): Initialize dependence_stats.
14659 Don't call build_classic_dist_vector and build_classic_dir_vector.
14660 Update the parameters of initialize_data_dependence_relation and
14661 compute_all_dependences. Print the statistics from datadep_stats.
14662 (analyze_all_data_dependences): Static. Not used until the pass for
14663 checking the data dependences is contributed.
14664 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14665 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14666 (initialize_data_dependence_relation, compute_affine_dependence,
14667 analyze_all_data_dependences, compute_subscript_distance): Removed.
14668 (print_direction_vector): New.
14669 * lambda.h (gcd): ... here.
14670 (lambda_vector_gcd): Moved here from gcd_vector.
14671 * lambda-code.c (gcd, gcd_vector): Removed.
14672 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14673 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14675 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14677 * ipa-type-escape.c: Tidy some comments and white space.
14678 * tree-ssa-operands.c: Likewise.
14680 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14683 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14684 (dump_decl_name): Do not walk the decl tree chains.
14685 * tree-pass.h (TDF_CHAIN): Remove.
14687 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14689 * Makefile.in (C): Remove
14691 (.PHONY): Remove C and PROTO
14693 2006-02-20 Roger Sayle <roger@eyesopen.com>
14695 PR middle-end/26236
14696 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14697 deprecated CHAR_TYPE tree code.
14699 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14701 * configure.ac (target_list): Add install-info, dvi, html.
14702 * configure: Regenerate.
14704 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14705 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14706 treelang/Make-lang.in: Do not use double-colon rules.
14708 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14710 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14711 (TMT_USED_ALONE): New macro.
14712 * tree-pass.h (PROP_tmt_usage): New property.
14713 (TODO_update_tmt_usage): New todo.
14714 * tree-ssa-alias.c (updating_used_alone): New variable.
14715 (recalculate_used_alone): New function.
14716 (compute_may_aliases): Set updating_used_alone, call
14717 recalculate_used_alone.
14718 * tree-sra.c (pass_sra): Note that this pass destroys
14719 PROP_tmt_usage, and add TODO_update_tmt_usage.
14720 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14721 * tree-flow.h (updating_used_alone): Prototype.
14722 (recalculate_used_alone): Ditto.
14723 * passes.c (execute_todo): Add code to set updating_used_alone,
14724 and call recalculate.
14725 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14726 for clobber if used alone, and add assert to verify used_alone
14729 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14731 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14732 for non tls symbols added.
14733 (legitimize_address): Do nothing for PLUS expressions if one of the
14734 addends is a tls symbol reference.
14736 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14740 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14742 * Makefile.in (BOOTSTRAPPING): New.
14743 (quickstrap): New definition if BOOTSTRAPPING=yes.
14745 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14746 * configure.ac: Substitute all_selected_languages with the languages
14747 that were configured. For all the other variables except
14748 lang_specs_files, include all the languages in the tree.
14749 * configure: Regenerate.
14751 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14752 if there is one. Run the commands to run fixincludes in the same
14755 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14756 * doc/install.texi: Document exact conventions for searching target tools.
14757 Document --with-build-time-tools. Document toplevel bootstrap. Document
14758 something more about building an Ada cross-compiler. Don't list GNU Make
14759 requirements which affect all platforms.
14761 2006-02-19 Roger Sayle <roger@eyesopen.com>
14763 PR middle-end/19543
14764 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14765 only equivalent if the have both the same mode and precision.
14767 2006-02-20 Ben Elliston <bje@au.ibm.com>
14769 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14771 2006-02-19 Roger Sayle <roger@eyesopen.com>
14772 Steven Bosscher <stevenb.gcc@gmail.com>
14774 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14775 constant pool references to identify stack mode constants.
14776 * rtlanal.c (constant_pool_constant_p): New predicate to check
14777 whether operand is a floating point constant in the pool.
14778 * rtl.h (constant_pool_constant_p): Prototype here.
14779 * loop.c (scan_loop): Avoid hoisting constants from the constant
14780 pool on STACK_REGS targets.
14781 (load_mems): Likewise.
14782 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14783 loads into x87 registers expensive in terms of register pressure.
14785 2006-02-19 Roger Sayle <roger@eyesopen.com>
14787 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14788 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14790 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14792 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14793 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14795 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14797 * doc/invoke.texi: Document -fipa-pta.
14798 * common.opt: Add ipa-pta option.
14799 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14800 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14801 (do_ds_constraint): Ditto.
14802 (get_constraint_for): Only add to referenced_vars if
14803 referenced_vars exists.
14804 (insert_into_field_list): Rewrite to do this unsorted.
14805 (insert_into_field_list_sorted): Rename old insert_into_field_list
14807 (create_function_info_for): Use insert_into_field_list_sorted.
14808 (create_variable_info_for): Rewrite so it uses unsorted version,
14809 since the field list is sorted.
14810 (intra_create_variable_infos): Only add to referenced_vars if
14811 referenced_vars exists.
14812 (ipa_pta_execute): Init heapvars, and delete when done.
14813 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14815 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14817 * doc/install.texi: Add missing `@samp'.
14819 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14821 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14824 2006-02-18 Mark Wielaard <mark@klomp.org>
14826 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14827 who added new 4.1 features, bug fixes and integration support.
14829 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14832 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14833 MEM for ABI_V4 pic.
14835 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14837 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14838 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14839 (copy_insn_1): Likewise. Don't copy each field individually.
14841 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14843 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14844 * rtl.c (rtx_size): Rename variable to...
14845 (rtx_code_size): ...this.
14846 (rtx_size): New function.
14847 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14848 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14850 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14851 * rtl.h (rtx_code_size): New variable.
14852 (rtx_size): Change from a variable to a function.
14853 (RTX_SIZE): Rename to...
14854 (RTX_CODE_SIZE): ...this.
14857 PR tree-optimization/17106
14858 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14859 (Anchored Addresses): New section.
14860 * doc/invoke.texi (-fsection-anchors): Document.
14861 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14862 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14863 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14864 * hooks.c (hook_bool_mode_rtx_false): New function.
14865 * hooks.h (hook_bool_mode_rtx_false): Declare.
14866 * gengtype.c (create_optional_field): New function.
14867 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14868 SYMBOL_REF_IN_BLOCK_P is true.
14869 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14870 (min_anchor_offset, max_anchor_offset): Likewise.
14871 (use_anchors_for_symbol_p): New hook.
14872 * toplev.c (compile_file): Call output_object_blocks.
14873 (target_supports_section_anchors_p): New function.
14874 (process_options): Check that -fsection-anchors is only used on
14875 targets that support it and when -funit-at-a-time is in effect.
14876 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14877 if the decl doesn't have one.
14878 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14879 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14880 of force_const_mem through use_anchored_address.
14881 (expand_expr_constant): New function.
14882 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14883 calling expand_expr for INDIRECT_REF.
14884 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14885 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14886 * expr.h (use_anchored_address): Declare.
14887 * loop-unroll.c: Don't declare rtx vectors here.
14888 * explow.c: Include output.h.
14889 (validize_mem): Call use_anchored_address.
14890 (use_anchored_address): New function.
14891 * common.opt (-fsection-anchors): New switch.
14892 * varasm.c (object_block_htab, anchor_labelno): New variables.
14893 (hash_section, object_block_entry_eq, object_block_entry_hash)
14894 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14895 (use_blocks_for_decl_p, change_symbol_section): New functions.
14896 (get_variable_section): New function, split out from assemble_variable.
14897 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14898 use_blocks_for_decl_p say so. Use change_symbol_section if the
14899 symbol has already been created.
14900 (assemble_variable_contents): New function, split out from...
14901 (assemble_variable): ...here. Don't output any code for
14902 block symbols; just pass them to place_block_symbol.
14903 Use get_variable_section and assemble_variable_contents.
14904 (get_constant_alignment, get_constant_section, get_constant_size): New
14905 functions, split from output_constant_def_contents.
14906 (build_constant_desc): Create a block symbol if use_object_blocks_p
14907 says so. Or into SYMBOL_REF_FLAGS.
14908 (assemble_constant_contents): New function, split from...
14909 (output_constant_def_contents): ...here. Don't output any code
14910 for block symbols; just pass them to place_section_symbol.
14911 Use get_constant_section and get_constant_alignment.
14912 (force_const_mem): Create a block symbol if use_object_blocks_p and
14913 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14914 (output_constant_pool_1): Add an explicit alignment argument.
14915 Don't switch sections here.
14916 (output_constant_pool): Adjust call to output_constant_pool_1.
14917 Switch sections here instead. Don't output anything for block symbols;
14918 just pass them to place_block_symbol.
14919 (init_varasm_once): Initialize object_block_htab.
14920 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14921 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14922 (place_block_symbol, get_section_anchor, output_object_block)
14923 (output_object_block_htab, output_object_blocks): New functions.
14924 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14925 (TARGET_ASM_OUT): Include it.
14926 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14927 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14928 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14929 (TARGET_INITIALIZER): Include them.
14930 * rtl.c (rtl_check_failed_block_symbol): New function.
14931 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14932 (block_symbol, object_block): New structures.
14933 (rtx_def): Add a block_symbol field to the union.
14934 (BLOCK_SYMBOL_CHECK): New macro.
14935 (rtl_check_failed_block_symbol): Declare.
14936 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14937 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14938 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14939 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14940 * output.h (output_section_symbols): Declare.
14941 (object_block): Name structure.
14942 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14943 (default_use_anchors_for_symbol_p): Declare.
14944 * Makefile.in (RTL_BASE_H): Add vec.h.
14945 (explow.o): Depend on output.h.
14946 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14947 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14948 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14949 (rs6000_use_blocks_for_constant_p): New function.
14951 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14953 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14955 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14958 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14961 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14963 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14967 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14969 PR middle-end/26334
14970 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14971 instead of DECL_REGISTER.
14973 2006-02-18 Olivier Hainque <hainque@adacore.com>
14976 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14978 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14981 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14982 * opth-gen.awk: Handle Var and InverseMask together.
14983 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14984 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14985 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14986 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
14988 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
14989 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
14990 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
14991 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
14992 LINUX_DYNAMIC_LINKER): Define.
14993 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
14994 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
14996 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14997 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
14998 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
14999 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15000 (TARGET_C99_FUNCTIONS): Don't define.
15001 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15002 GLIBC_DYNAMIC_LINKER.
15003 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15004 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15005 GLIBC_DYNAMIC_LINKER64): Define.
15006 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15007 LINUX_DYNAMIC_LINKER64.
15008 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15009 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15010 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15011 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15012 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15013 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15014 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15015 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15016 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15017 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15018 and LINUX_DYNAMIC_LINKER32.
15019 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15020 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15021 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15022 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15023 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15025 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15026 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15027 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15028 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15029 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15030 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15031 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15032 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15033 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15034 LINUX_DYNAMIC_LINKER): Define.
15035 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15036 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15037 GLIBC_DYNAMIC_LINKER64): Define.
15038 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15039 LINUX_DYNAMIC_LINKER64.
15040 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15041 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15042 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15043 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15044 LINUX_DYNAMIC_LINKER): Define.
15045 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15046 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15047 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15048 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15049 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15050 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15051 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15052 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15053 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15054 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15055 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15056 * doc/invoke.texi (-muclibc): Remove caveat about supported
15059 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15061 * doc/cpp.texi (__TIMESTAMP__): Document.
15063 2006-02-17 Roger Sayle <roger@eyesopen.com>
15065 PR middle-end/25600
15066 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15067 C is one less than the width of X (and related transformations).
15068 * simplify-rtx.c (simplify_unary_operation_1): Transform
15069 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15070 depending on STORE_FLAG_VALUE, were C is one less then the
15073 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15075 Fix PR tree-optimization/26341
15076 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15077 about NAME_MEMORY_TAG's.
15079 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15082 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15083 with hardware float support, and software float support. Add fcpy
15084 alternative to hardware patterns. Add alternatives to copy between
15085 general and floating-point registers to the 32-bit pattern.
15086 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15087 secondary reload to load a QI or HI mode constant into a floating
15089 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15090 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15092 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15095 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15097 (load_macho_picbase_di): Likewise.
15099 2006-02-16 Jeff Law <law@redhat.com>
15101 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15102 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15103 (ssa_name_nonzero_p): Likewise.
15104 (get_value_range): Return NULL if VRP is not running.
15105 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15106 VRP routines do not discover a range.
15107 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15108 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15109 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15110 (tree_expr_nonnegative_p): Similarly.
15111 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15112 (restore_nonzero_vars_to_original_value): Remove.
15113 (unsafe_associative_fp_binop): Remove.
15114 (tree_ssa_dominator_optimize): Remove initialization and
15115 finalization of nonzero_vars and nonzero_vars_stack.
15116 (dom_opt_initialize_block): No longer push marker on
15117 nonzero_vars_stack.
15118 (dom_opt_finalize_block): No longer call
15119 restore_nonzero_vars_to_original_value.
15120 (record_equivalences_from_phis): No longer look for
15121 nonzero PHI arguments.
15122 (cprop_into_successor_phis): No longer propagate nonzero
15123 property into PHI arguments. Lose unused argument. Caller
15125 (record_equivalences_from_stmt): No longer record nonzero
15126 values for SSA_NAMEs.
15127 (lookup_avail_expr): No longer use nonzero_vars.
15129 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15130 for sizetype when sizetype is unsigned.
15132 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15134 PR rtl-optimization/25603
15135 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15136 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15137 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15138 with new meaning of SETS.
15140 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15145 * config/linux.opt: New file.
15146 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15147 LINUX_DYNAMIC_LINKER): Define.
15148 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15149 * config.gcc (*-*-linux*): Define extra_options.
15150 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15151 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15152 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15153 GLIBC_DYNAMIC_LINKER.
15154 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15155 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15156 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15157 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15158 * doc/invoke.texi (GNU/Linux Options): New section.
15160 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15162 * config/sparc/sparc.md (setjmp): Rewrite.
15163 (setjmp_32): Delete.
15164 (setjmp_64): Likewise.
15166 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15168 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15171 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15173 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15176 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15178 PR rtl-optimization/26296
15179 * Makefile.in (loop-invariant.c): Add except.h dependency.
15180 * loop-invariant.c: Include except.h.
15181 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15183 2005-02-16 Paul Brook <paul@codesourcery.com>
15185 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15188 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15190 PR rtl-optimization/25636
15191 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15192 when deciding whether an insn is an initializing insn.
15194 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15196 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15197 (tree_code_size): Ditto.
15198 * tree.h (struct tree_memory_tag): Remove parent_var.
15199 (struct tree_struct_field_tag): New.
15202 (union tree_node): Add sft member.
15203 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15205 (create_sft): Add size and offset argument, set SFT_OFFSET and
15207 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15208 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15209 * tree-flow-inline.h (get_subvar_at): Update for
15210 SFT_OFFSET/SFT_SIZE.
15211 (var_can_have_subvars): Ditto.
15212 (overlap_subvar): Ditto.
15213 * print-tree.c (print_node): Print out interesting things for
15215 * tree-flow.h (struct subvar): Remove offset and size members.
15216 * tree-ssa-operands.c (get_expr_operands): Update for
15217 get_indirect_ref_operands changes.
15218 (get_indirect_ref_operands): Call add_virtual_operand instead of
15219 add_stmt_operand. Only recurse on base var if requested.
15220 (access_can_touch_variable): New function.
15221 (add_stmt_operand): Split virtual operand handling into ...
15222 (add_virtual_operand): Here. Add offset, size, and for_clobber
15223 arguments. Prune alias sets.
15224 (add_call_clobber_ops): Call add_virtual_operand.
15226 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15228 PR middle-end/26300
15229 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15231 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15232 than TREE_CODE as index into omp_clause_num_ops array.
15234 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15236 PR rtl-optimization/26184
15237 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15239 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15240 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15241 must_precede, must_follow and tobe_scheduled.
15244 * opts.c (common_handle_option): Free new_option pointer.
15245 * df-core.c (df_analyze): Free postorder pointer.
15247 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15249 * Makefile.in: Fix the examples about the use of stamps
15251 2006-02-15 Michael Matz <matz@suse.de>
15253 PR middle-end/22275
15255 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15256 influenced by maximum_field_alignment or DECL_PACKED.
15257 (update_alignment_for_field): Ditto.
15258 (place_field): Ditto.
15259 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15262 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15264 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15265 (debug_flow_info): Pass it.
15266 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15267 * bb-reorder.c (reorder_basic_blocks): Likewise.
15268 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15269 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15270 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15271 * gcse.c (gcse_main, bypass_jumps): Likewise.
15272 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15273 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15274 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15275 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15276 * rtl.h (dump_flow_info): Adjust prototype.
15277 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15278 * var-tracking.c (variable_tracking_main): Likewise.
15279 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15280 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15283 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15285 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15288 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15290 PR tree-optimization/26209
15291 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15292 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15294 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15296 2006-02-14 Roger Sayle <roger@eyesopen.com>
15298 PR middle-end/23670
15299 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15300 (X,Y) and the corresponding symmetry related transformations.
15301 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15302 (X,Y) and its symmetry related transformations.
15304 2006-02-14 Roger Sayle <roger@eyesopen.com>
15306 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15309 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15311 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15313 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15316 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15317 support COMDAT group.
15318 * configure: Regenerate.
15320 2006-02-14 Roger Sayle <roger@eyesopen.com>
15322 PR middle-end/26279
15323 PR middle-end/26280
15324 PR middle-end/26283
15325 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15327 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15329 Fix PR tree-optimization/26260
15331 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15333 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15334 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15335 * tree-ssa-structalias.c (create_variable_info_for): Use
15336 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15338 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15340 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15342 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15343 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15344 of the ending condition.
15345 * tree-ssa-loop-manip.c: Include params.h.
15346 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15347 tree_unroll_loop): New functions.
15348 * tree-pass.h (pass_loop_prefetch): Declare.
15349 * loop.c (rest_of_handle_loop_optimize): Test for
15350 -fprefetch-loop-arrays-rtl.
15351 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15352 * timevar.def (TV_TREE_PREFETCH): New timevar.
15353 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15354 pass_loop_prefetch): New.
15355 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15356 (cleanup_tree_cfg_loop): Call scev_reset.
15357 * common.opt (fprefetch-loop-arrays-rtl): Add.
15358 * tree-ssa-loop-prefetch.c: New file.
15359 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15360 (new_temp_expr_table): Initialize expr_vars.
15361 (free_temp_expr_table): Cleanup expr_vars.
15362 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15363 expressions from being merged into one.
15364 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15365 (struct tree_niter_desc): Add control, bound and cmp fields.
15366 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15368 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15369 (tree-cfgcleanup.o): Add SCEV_H dependency.
15370 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15371 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15373 2006-02-14 Richard Guenther <rguenther@suse.de>
15375 PR tree-optimization/26258
15376 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15377 in PHI argument processing.
15379 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15381 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15382 new expression in the requested machine mode.
15384 2006-02-13 Roger Sayle <roger@eyesopen.com>
15386 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15387 directly, instead let do_compare_rtx_and_jump handle this for us.
15388 * expr.c (expand_expr_real_1): Likewise.
15389 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15390 before do_jump_by_parts_greater.
15391 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15392 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15394 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15396 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15398 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15400 PR rtl-optimization/26235
15401 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15402 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15405 2006-02-13 Jeff Law <law@redhat.com>
15407 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15410 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15412 PR middle-end/26092
15413 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15414 twice if decl is a builtin. When trying again, call get_callee_fndecl
15415 first to verify it is still a builtin.
15417 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15419 * dwarf2out.c (base_type_die): Don't add AT_name here.
15420 (subrange_type_die): Don't add AT_name here.
15421 (modified_type_die): Rearrange code flow. Do add AT_name here.
15423 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15425 PR rtl-optimization/26247
15426 PR rtl-optimization/26248
15427 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15429 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15431 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15432 * config/fixtfdi.c: Likewise.
15433 * config/fixunstfdi.c: Likewise.
15434 * config/floatditf.c: Likewise.
15436 2006-02-13 Roger Sayle <roger@eyesopen.com>
15438 PR middle-end/24427
15439 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15440 into (X,C2) if C1 is a subset of the bits of C2. Transform
15441 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15443 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15445 2006-02-13 Josh Conner <jconner@apple.com>
15448 * varasm.c (function_section): Check for section name before
15449 calling select_section on targets that define
15450 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15451 unlikely_text_section instead of hot_function_section if
15452 first_function_block_is_cold.
15454 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15456 PR middle-end/25335
15457 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15459 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15461 PR rtl-optimization/26222
15462 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15463 after tree->rtl expansion.
15464 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15465 before passing it to emit_move_insn.
15467 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15469 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15471 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15472 Clarify documentation.
15473 * c-common.h (warn_write_strings): Remove.
15474 * c-common.c (warn_write_strings): Likewise.
15475 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15478 2006-02-12 Roger Sayle <roger@eyesopen.com>
15480 PR middle-end/25724
15481 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15482 (do_jump_parts_zero_rtx): New function renamed from
15483 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15484 (do_jump_parts_equality_rtx): New function split out from
15485 do_jump_parts_equality. Old implementation renamed as above.
15486 Call do_jump_parts_zero_rtx if either operand is zero.
15487 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15488 do all of the heavy lifting.
15489 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15490 calling either do_jump_by_parts_greater_rtx or
15491 do_jump_by_parts_equality_rtx.
15492 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15493 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15494 moved to do_compare_rtx_and_jump, call it directly.
15495 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15496 mode argument. Call do_compare_rtx_and_jump.
15497 (emit_case_nodes): Update calls to do_jump_if_equal.
15499 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15501 PR rtl-optimization/26225
15502 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15504 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15506 PR rtl-optimization/26232
15507 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15509 2006-02-11 Jason Merrill <jason@redhat.com>
15512 * tree-inline.c (declare_return_variable): Just don't use the
15513 modify target if it's a gimple complex reg and the return slot
15516 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15518 * doc/contrib.texi: Update my entry.
15520 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15522 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15524 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15526 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15529 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15531 * doc/invoke.texi (-floop-optimize2): Removed.
15532 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15533 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15534 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15535 * common.opt (floop-optimize2): Removed.
15536 (fmove-loop-invariants): Enabled by default.
15538 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15540 * tree-if-conv.c (combine_blocks): Free the result of
15541 get_loop_exit_edges.
15543 2006-02-10 Jeff Law <law@redhat.com>
15545 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15547 PR tree-optimization/26213
15548 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15549 loop trying to follow SSA_NAME_VALUE chains.
15551 2006-02-10 Richard Guenther <rguenther@suse.de>
15553 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15554 deal with structures that end in implicitly variable sized arrays.
15556 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15558 PR rtl-optimization/24762
15559 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15562 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15564 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15565 (struct ivopts_data): Add regs_used field.
15566 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15567 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15568 instead of loop_data->regs_used;
15569 (free_loop_data): Do not free aux fields for loops.
15570 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15571 and tree_ssa_iv_optimize_finalize.
15573 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15575 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15577 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15580 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15581 computing the effective result type.
15583 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15585 PR inline-asm/16194
15586 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15587 (tree_overlaps_hard_reg_set): Declare.
15588 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15589 type and signature to match function type expected by walk_tree.
15590 (tree_overlaps_hard_reg_set): New function.
15591 (decl_conflicts_with_clobbers_p): Rename to:
15592 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15593 Use tree_overlaps_hard_reg_set. Changed caller.
15594 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15595 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15596 * cris.c (cris_md_asm_clobbers): Likewise.
15598 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15600 * reload1.c (emit_input_reload_insns): Delete code that tries to
15601 inherit using find_equiv_reg.
15603 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15605 * c-common.h (flag_const_strings): Don't declare.
15606 * c-common.c (flag_const_strings): Remove.
15607 * c.opt (fconst_strings): Remove.
15608 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15609 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15610 (c_common_init_options): Don't set flag_const_strings.
15611 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15613 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15615 * arm.md (tlobits_cbranch): New pattern.
15616 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15617 testing a single bit.
15619 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15622 * tree-ssa-pre.c (create_component_ref_by_pieces):
15623 Handle RETURN_DECL like VAR_DECL.
15625 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15627 PR middle-end/26134
15628 * fold-const.c (fold_indirect_ref_1): Fold
15629 "*(foo *)&complexfoo" to "__real__ complexfoo"
15630 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15632 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15634 * tree-flow-inline.h (var_can_have_subvars):
15635 Volatile variables should not have subvariables.
15637 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15640 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15641 multiplying unsigned values.
15644 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15646 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15648 2006-02-08 Jason Merrill <jason@redhat.com>
15651 * tree.def: Elaborate on difference from MODIFY_EXPR.
15652 * doc/c-tree.texi (INIT_EXPR): Likewise.
15653 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15654 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15655 (gimplify_target_expr): Likewise.
15656 (gimplify_cond_expr): Remove target handling.
15657 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15658 (gimplify_expr): Clobber it here.
15659 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15660 Do return slot optimization if we have an INIT_EXPR.
15663 * tree-inline.c (declare_return_variable): Also clear
15664 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15667 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15669 PR middle-end/22439
15670 * gimplify.c (gimplify_one_sizepos): Fix typo.
15672 2006-02-08 Jeff Law <law@redhat.com>
15674 PR tree-optimization/21417
15675 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15676 across a backedge if the control statement at the end of the
15677 block is data dependent on other statements in the same block.
15678 (record_temporary_equivalences_from_stmts): Remove over-conservative
15679 test for threading across backedges.
15681 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15682 control statement, handle all three special cases in the same
15683 manner as they all have the same desired solution. No longer
15684 special case edge flag updating when the post dominator is
15687 2006-02-08 Roger Sayle <roger@eyesopen.com>
15689 * tree.def (CHAR_TYPE): Remove.
15690 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15691 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15692 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15693 (gen_string_type_die): Delete unreachable function.
15695 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15696 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15697 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15698 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15699 * builtins.c (type_to_class): Likewise.
15700 * fold-const.c (fold_convert, build_range_check,
15701 merge_ranges): Likewise.
15702 * expr.c (count_type_elements): Likewise.
15703 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15704 * stor-layout.c (layout_type): Likewise.
15705 * ipa-type-escape.c (type_to_consider): Likewise.
15706 * gimplify.c (omp_firstprivatize_type_sizes,
15707 gimplify_type_sizes): Likewise.
15708 * explow.c (promote_mode): Likewise.
15709 * tree-sra.c (is_sra_scalar_type): Likewise.
15710 * varasm.c (output_constant): Likewise.
15711 * tree-inline.c (remap_type_1): Likewise.
15712 * convert.c (convert_to_pointer, convert_to_real,
15713 convert_to_integer, convert_to_complex): Likewise.
15715 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15717 * df-scan.c (df_def_record_1): A set destination may
15718 be a parallel regardless of mode.
15720 2006-02-08 Roger Sayle <roger@eyesopen.com>
15723 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15724 * config/mips/_tilib.c: Remove.
15725 * config/fixtfdi.c: New libgcc source file.
15726 * config/fixunstfdi.c: New source file.
15727 * config/floatditf.c: New source file.
15728 * config/floatunditf.c: New souce file.
15729 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15730 files above instead of config/mips/_tilib.c.
15731 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15733 2006-02-08 Jeff Law <law@redhat.com>
15735 PR tree-optimization/26169
15736 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15739 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15741 * df.h (DF_REG_SIZE): Return the length of the initialized
15744 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15746 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15747 __muldf3): Return a correctly signed zero.
15749 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15751 * passes.c (register_one_dump_file): Accept the current properties
15752 instead of pass number. Adjust call to dump_register. Remove
15754 (register_dump_files): Now a wrapper around...
15755 (register_dump_files_1): ... this one. Do not modify the pass
15757 (next_pass_1): Cosmetic fix.
15758 (execute_todo): Keep second parameter only. Use curr_properties
15759 instead of fetching it from the pass structure. Check and set
15761 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15762 instead of fetching it from the pass structure. Fix calls to
15763 execute_todo. Update curr_properties and initialize .vcg RTL dump
15764 after running the pass. Reset last_verified.
15765 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15767 (FIRST_AUTO_NUMBERED_DUMP): New.
15768 (dump_register): Remove "num" parameter, assign it within the
15770 (get_dump_file_name): Modify template for dumps.
15771 * tree-dump.h (dump_register): Adjust prototype.
15772 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15773 (PROP_trees): Add PROP_gimple_lomp.
15774 (TODO_set_props): New.
15775 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15776 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15777 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15779 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15781 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15782 (sparc64-*-linux*): Likewise.
15783 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15784 * config/sparc/t-linux: New file.
15785 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15786 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15787 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15788 -m32 -mlong-double-128.
15790 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15791 * config/alpha/t-linux: New file.
15792 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15794 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15795 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15796 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15797 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15798 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15799 (CPP_ARCH32_SPEC): Remove.
15801 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15803 PR tree-optimization/26145
15804 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15807 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15810 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15811 >= 240000 when generating code for SOM runtime.
15812 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15813 to $$dyncall when generating code for SOM runtime..
15815 2006-02-07 Dirk Mueller <dmueller@suse.com>
15818 * doc/invoke.texi (-Wsequence-point): Update documentation
15819 that -Wsequence-point is implemented for C++ as well.
15821 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15823 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15824 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15825 (LIB_SPEC): Likewise.
15826 * doc/invoke.texi (SPARC options): Document -pthread.
15828 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15830 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15833 2006-02-07 Roger Sayle <roger@eyesopen.com>
15835 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15836 Correct comment describing BOOLEAN_TYPE.
15838 2006-02-07 Dirk Mueller <dmueller@suse.com>
15840 * c.opt: C++ frontend supports -Wdiv-by-zero.
15841 * c-opts.c (c_common_handle_option): Remove dead case.
15843 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15845 * configure.ac (TLS assembler check): Do not enable TLS by
15846 default on SPARC/Solaris before version 10.
15847 * configure: Regenerate.
15849 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15851 * doc/invoke.texi (xl-compat): Document conversion and support
15854 2006-02-07 Jeff Law <law@redhat.com>
15856 * tree-vrp.c (find_conditional_asserts): Update comments.
15857 (simplify_stmt_for_jump_threading): New.
15858 (identify_jump_threads, finalize_jump_threads): New.
15859 (vrp_finalize): Call identify_jump_threads.
15860 (execute_vrp): Call finalize_jump_threads.
15861 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15862 (vrp_element, vrp_data, vrp_element_p): Remove.
15863 (vrp_hash_elt, vrp_variables_stack): Remove.
15864 (vrp_hash, vrp_eq, record_range): Remove.
15865 (simplify_cond_and_lookup_avail_expr): Remove.
15866 (extract_range_from_cond): Remove.
15867 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15868 (simplify_stmt_for_jump_threading): New.
15869 (dom_thread_across_edge): New wrapper.
15870 (tree_ssa_dominator_optimize): No longer initialize or
15871 finalize any of the VRP datastructures. Remove iteration
15872 step and simplify as a result of removal of iteration step.
15873 (pass_dominator): Perform a cfg cleanup after DOM.
15874 (dom_opt_finalize_block): Use the new common routines
15875 for threading jumps. Simplify stack management slightly.
15876 No longer need to unwind VRP state.
15877 (record_equivalences_from_incoming_edge): No longer record
15879 (eliminate_redundant_computations): No longer call
15880 simplify_cond_and_lookup_avail_expr.
15881 * tree-flow.h (potentially_threadable_block): Prototype.
15882 (thread_across_edge): Likewise.
15883 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15884 (tree-ssa-threadedge.o): Add dependencies.
15885 * tree-ssa-threadedge.c: New file.
15886 * passes.c (init_optimization_passes): Merge PHIs before
15887 calling VRP. Run VRP again late in the SSA optimization pipeline.
15889 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15891 * df-core.c (df_set_blocks): Do not dereference function pointers.
15892 (df_finish1): Likewise.
15893 (df_hybrid_search_forward): Likewise.
15894 (df_hybrid_search_backward): Likewise.
15895 (df_iterative_dataflow): Likewise.
15896 (df_analyze_problem): Likewise.
15897 (df_compact_blocks): Likewise.
15898 (df_dump): Likewise.
15899 * df-scan.c (df_rescan_blocks): Likewise.
15900 (df_record_entry_block_defs): Likewise.
15902 * genconditions.c (write_conditions): Guard the definition of
15903 'insn_conditions' with the check on GCC version.
15904 (write_writer): Guard the traversal 'insn_conditions' with
15905 the check on GCC version.
15907 2006-02-07 Richard Guenther <rguenther@suse.de>
15911 2006-01-30 Richard Guenther <rguenther@suse.de>
15913 * gimplify.c (gimplify_target_expr): Handle easy cases
15914 without creating a temporary.
15916 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15918 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15919 use of float in probability computations. Use edge probabilities
15920 in place of statically computed probabilities.
15921 (min_spec_prob): New static variable.
15922 (schedule_insns): Initialize it.
15923 (GET_SRC_PROB): Removed.
15924 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15926 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15929 * config/ia64/unwind-ia64.c: Revert last change.
15930 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15931 (INCOMING_FRAME_SP_OFFSET): Define.
15933 2006-02-06 Roger Sayle <roger@eyesopen.com>
15935 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15937 2006-02-07 Ben Elliston <bje@au.ibm.com>
15939 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15940 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15941 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15942 (ix86_return_in_memory): Handle TDmode.
15943 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15944 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15946 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15948 * reorg.c (dbr_schedule): Use dump_file instead of file.
15950 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15953 * config/ia64/predicates.md (extr_len_operand): New predicate.
15954 * config/ia64/ia64.md (extv): Tighten constraints.
15956 (*tbit_and_2): Ditto.
15957 (*tbit_and_3): Ditto.
15958 (*tbit_or_2): Ditto.
15959 (*tbit_or_3): Ditto.
15960 (*bit_zero): Ditto.
15963 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15966 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15968 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15970 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15971 loop_optimizer_init and loop_optimizer_finalize
15972 * tree-ssa-sink.c (execute_sink_code): Ditto.
15973 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15974 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15975 tree_ssa_loop_done): Ditto.
15976 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15977 * sched-ebb.c: Include output.h.
15978 (schedule_ebbs): Do not use dump argument.
15979 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15980 * loop.c (loop_dump_stream): Removed.
15981 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15983 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15984 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15985 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15986 loop_iterations, strength_reduce, record_biv, record_giv,
15987 final_giv_value, check_final_value, check_ext_dependent_givs,
15988 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
15989 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
15990 dump_file instead of loop_dump_stream.
15991 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
15992 argument dump_file.
15993 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
15995 * flow.c (life_analysis, rest_of_handle_life): Ditto.
15996 * haifa-sched.c: Include output.h
15997 (schedule_insns, sched_init): Do not use dump argument.
15998 * mode-switching.c (optimize_mode_switching): Ditto.
15999 * modulo-sched.c (stats_file): Removed.
16000 (print_node_sched_params): Do not call argument dump_file.
16001 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16002 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16004 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16006 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16007 rtl_loop_init, rtl_loop_done): Ditto.
16008 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16009 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16011 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16012 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16013 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16014 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16015 * emit-rtl.c (renumber_insns): Ditto.
16016 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16017 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16018 * regclass.c (regclass): Ditto.
16019 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16020 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16021 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16022 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16024 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16025 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16027 * gcse.c (gcse_file, debug_stderr): Removed.
16028 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16029 rest_of_handle_gcse): Do not use dump argument.
16030 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16031 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16032 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16033 compute_code_hoist_vbeinout, compute_code_hoist_data,
16034 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16035 compute_store_table, build_store_vectors, insert_insn_start_bb,
16036 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16037 store_motion): Use dump_file instead of gcse_file.
16038 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16039 * profile.c (profile_dump_file): Removed.
16040 (branch_prob): Use dump_file instead of profile_dump_file.
16041 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16043 * tree-ssa-copy.c (dump_copy_of): Ditto.
16044 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16045 dump file to life_analysis.
16046 * bt-load.c (branch_target_load_optimize): Ditto.
16047 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16049 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16050 regclass, dbr_schedule): Declaration changed.
16051 * sched-int.h (sched_init): Declaration changed.
16052 * tree-profile.c (tree_profile_dump_file): Removed.
16053 (tree_profile_hooks): Removed profile_dump_file hook.
16054 * rtl-profile (rtl_profile_dump_file): Removed.
16055 (rtl_profile_hooks): emoved profile_dump_file hook.
16056 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16058 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16059 * tree-cfg.c (build_tree_cfg): Ditto.
16060 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16061 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16062 Declaration changed.
16063 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16064 life_analysis and schedule_insns.
16065 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16067 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16069 * config/mips/mips.c (mips_reorg): Ditto.
16070 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16073 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16075 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16076 (s390_mangle_fundamental_type): New.
16077 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16080 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16081 (alpha_mangle_fundamental_type): New.
16082 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16085 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16087 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16089 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16090 (sparc_mangle_fundamental_type): New.
16092 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16094 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16095 (s390x-*-linux*): Likewise.
16096 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16097 * config/s390/t-linux: New file.
16099 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16101 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16102 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16104 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16106 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16107 (ANTIC_SAFE_LOADS): New macro.
16108 (find_or_generate_expression): Add prototype.
16109 (set_contains_value): Allow null set for sake of not always having
16110 to allocate ANTIC_SAFE_LOADS.
16111 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16112 Allow COMPONENT_REF too.
16113 (valid_in_set): Allow COMPONENT_REF.
16114 Check ANTIC_SAFE_LOADS too.
16115 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16116 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16118 (can_PRE_operation): Add COMPONENT_REF.
16119 (create_component_ref_by_pieces): New function.
16120 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16121 (insert_aux): Move AGGREGATE_TYPE_P check here.
16122 (compute_avail): Set bb local stmt uids.
16123 (pass_pre): Use TODO_update_ssa_only_virtuals.
16125 2006-02-06 Ben Elliston <bje@au.ibm.com>
16127 * configure.ac: Unconditionally disable decimal float by default.
16128 * configure: Regenerate.
16130 2006-02-06 Ben Elliston <bje@au.ibm.com>
16132 * read-rtl.c (read_name): Terminate reading on EOF.
16134 2006-02-06 Ben Elliston <bje@au.ibm.com>
16136 * dfp.c (decimal_real_arithmetic): Change second argument type
16137 from int to enum tree_code. Do not always return true, but now
16138 return result of any call to decimal_do helper functions.
16139 * dfp.h (decimal_real_arithmetic): Update prototype.
16141 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16143 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16145 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16148 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16151 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16153 * tree-vrp.c (cfg_loops): Removed.
16154 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16155 Use current_loops instead of cfg_loops. Pass flags to
16156 loop_optimizer_init.
16157 * cfgloopmanip.c (fix_loop_structure): Update only available
16159 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16160 loop_optimizer_init.
16161 * modulo-sched.c (build_loops_structure): Removed.
16162 (sms_schedule): Use loop_optimizer_init.
16163 * loop-init.c (loop_optimizer_init): Use flags to determine
16164 which properties of loops to prepare.
16165 (rtl_loop_init): Pass flags to loop_optimizer_init.
16166 * tree-ssa-sink.c (execute_sink_code): Ditto.
16167 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16168 * tree-ssa-pre.c (init_pre): Ditto.
16169 * cfgloop.h (LOOPS_NORMAL): New.
16170 (loop_optimizer_init): Declaration changed.
16172 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16174 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16175 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16177 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16179 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16181 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16182 * pa/t-pa64: Delete quadlib.c rule.
16183 * pa/x-ada: Revert last change.
16184 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16186 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16188 PR rtl-optimization/26087
16189 * rtlanal.c (canonicalize_condition): Do not cross basic block
16192 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16195 * config/ia64/ia64.c: Include debug.h.
16196 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16197 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16198 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16199 (process_epilogue, process_set, process_for_unwind_directive):
16200 Output unwind info only if requested. Add CFA info if requested.
16201 Add new arguments as needed. Adjust callers.
16202 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16204 (DWARF2_FRAME_INFO): Define to zero.
16205 * config/ia64/unwind-ia64.c: Remove code that compensated for
16206 the CFA offset error fixed above.
16207 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16208 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16209 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16210 -funwind-tables and -fexceptions to enable frame info.
16211 (dwarf2out_frame_init): Define initial CFA even if
16212 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16213 DWARF2_UNWIND_INFO is nonzero, not just defined.
16214 (dwarf2out_frame_finish): Output non-EH call frame info only
16215 if DWARF2_FRAME_INFO is nonzero.
16216 (convert_cfa_to_loc_list,
16217 compute_frame_pointer_to_cfa_displacement): Define even if
16218 unwind info is not supported.
16219 (gen_subprogram_die): Use the above unconditionally. Remove
16220 legacy alternate code.
16221 * toplev.c (compile_file): Compile in call to
16222 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16223 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16225 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16226 Jakub Jelinek <jakub@redhat.com>
16228 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16229 IBM extended float format long double as "g" on powerpc*-linux.
16231 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16234 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16235 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16237 2006-02-03 Jason Merrill <jason@redhat.com>
16240 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16242 PR middle-end/25977
16243 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16244 on the return slot if it's an NRV.
16246 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16248 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16249 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16250 rewrite_use): Do not handle USE_OUTER.
16251 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16252 add_iv_outer_candidates, may_replace_final_value,
16253 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16254 (find_interesting_uses_op): Functionality of
16255 find_interesting_uses_outer_or_nonlin moved here.
16256 (find_interesting_uses_outside): Use find_interesting_uses_op.
16258 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16261 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16263 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16264 Ulrich Weigand <uweigand@de.ibm.com>
16267 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16268 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16269 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16270 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16272 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16273 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16274 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16275 Define secondary reloads for TFmode moves.
16276 (constant_modes): Add TFmode.
16277 (NR_C_MODES): Set to 8.
16278 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16280 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16281 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16282 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16283 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16284 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16285 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16286 (FPR mode macro): Add TFmode.
16287 (DSF mode macro): New.
16288 (<de>, <dee> mode attributes): Removed.
16289 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16290 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16291 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16292 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16293 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16294 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16295 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16296 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16297 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16298 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16299 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16300 "*negabs<mode>2", "sqrt<mode>2"):
16301 Changed <de> to <xde>. R constraint replaced by <Rf>.
16302 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16304 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16305 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16306 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16308 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16309 "extenddftf2", "extendsftf2"): New expanders.
16310 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16311 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16312 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16313 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16315 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16316 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16317 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16318 __floatditf): Add a GCC_4.1.0 symbol version tag.
16319 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16322 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16325 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16326 Use targetm.binds_local_p instead of TREE_PUBLIC.
16328 2006-02-02 Roger Sayle <roger@eyesopen.com>
16330 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16331 on INTEGER_TYPEs to indicate that it denotes a character type.
16332 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16333 signed_char_type_node, unsigned_char_type_node and char_type_node.
16334 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16335 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16336 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16338 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16339 Daniel Berlin <dberlin@dberlin.org>
16341 * tree-tailcall.c (arg_needs_copy_p): New function.
16342 (eliminate_tail_call): Use arg_needs_copy_p.
16343 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16344 (add_virtual_phis): New function.
16346 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16348 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16349 #ignore instead of #scratch for %g7 .register directive.
16351 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16353 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16356 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16358 * flow.c (calculate_global_regs_live): Assert that there aren't any
16361 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16363 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16364 what its name says.
16365 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16366 bsi_after_labels iterator.
16367 * tree-if-conv.c (find_phi_replacement_condition,
16368 replace_phi_with_cond_modify_expr): Likewise.
16369 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16370 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16372 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16374 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16376 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16379 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16380 array after growing it.
16382 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16384 PR middle-end/24901
16385 * fold-const.c (fold_checksum_tree): Change type of buf.
16387 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16389 * reload.c (push_secondary_reload): Initialize t_icode.
16391 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16393 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16394 -msoft-float -mlong-double-128 only issue a warning, but don't
16395 swich to DFmode long double.
16397 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16399 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16400 has a constant equivalent, iterate over equivalents for arg0,
16401 calling simplify_relational_operation and if there's a result
16402 cheaper than X, apply fold_rtx and return the result.
16404 2006-02-01 Jan Hubicka <jh@suse.cz>
16406 * opts.c (no_unit_at_a_time_default): New global variable.
16407 (decode_options): Use it.
16408 * opts.h (no_unit_at_a_time_default): Declare.
16410 2006-02-01 Paul Brook <paul@codesourcery.com>
16412 * function.c (assign_parm_setup_reg): Use function argument promotion
16414 * expr.c (expand_expr_real_1): Use function argument promotion rules
16417 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16419 * gcc.c (process_command): Change j to 'unsigned int'.
16421 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16423 PR middle-end/26001
16424 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16425 Use the corrected index for the character
16426 out of the string constant.
16428 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16430 * mode-switching.c (optimize_mode_switching): Fix size
16431 allocated for bb_info[n_entities].
16433 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16435 * gcc.c (main): Correct type that is allocated for
16436 explicit_link_files.
16438 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16440 * config/s390/s390.c (init_alignment_context): Set
16441 ALIAS_SET_MEMORY_BARRIER on the MEM.
16442 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16444 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16446 PR middle-end/25933
16447 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16449 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16452 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16454 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16455 * regrename.c: Ditto.
16456 * tree-ssa-loop-im.c: Ditto.
16457 * tree-dump.c: Ditto.
16458 * tree-complex.c: Ditto.
16459 * genrecog.c: Ditto.
16460 * tree-ssa-threadupdate.c: Ditto.
16462 * java/class.c: Ditto.
16463 * java/jcf-parse.c: Ditto.
16464 * java/resource.c: Ditto.
16465 * java/except.c: Ditto.
16466 * java/jvspec.c: Ditto.
16467 * java/jcf-write.c: Ditto.
16468 * java/jcf-path.c: Ditto.
16469 * java/gjavah.c: Ditto.
16470 * java/zextract.c: Ditto.
16471 * java/jcf-io.c: Ditto.
16472 * java/jcf.h: Ditto.
16473 * java/buffer.c: Ditto.
16474 * java/lang.c: Ditto.
16475 * java/parse-scan.y: Ditto.
16476 * java/lex.c: Ditto.
16477 * java/lex.h: Ditto.
16478 * cfgloopmanip.c: Ditto.
16479 * postreload-gcse.c: Ditto.
16480 * tree-ssa-loop-manip.c: Ditto.
16481 * postreload.c: Ditto.
16482 * tree-ssa-loop-ch.c: Ditto.
16485 * cppspec.c: Ditto.
16486 * diagnostic.c: Ditto.
16488 * genoutput.c: Ditto.
16490 * cfghooks.c: Ditto.
16491 * cfgloopanal.c: Ditto.
16492 * objc/objc-act.c: Ditto.
16494 * genextract.c: Ditto.
16495 * genautomata.c: Ditto.
16496 * pretty-print.c: Ditto.
16497 * genemit.c: Ditto.
16498 * cgraphunit.c: Ditto.
16500 * df-scan.c: Ditto.
16501 * haifa-sched.c: Ditto.
16502 * dominance.c: Ditto.
16504 * tree-ssa-loop-ivopts.c: Ditto.
16505 * df-core.c: Ditto.
16506 * mode-switching.c: Ditto.
16507 * modulo-sched.c: Ditto.
16509 * ipa-pure-const.c: Ditto.
16511 * fix-header.c: Ditto.
16513 * tree-stdarg.c: Ditto.
16514 * ipa-utils.c: Ditto.
16515 * loop-init.c: Ditto.
16516 * ipa-inline.c: Ditto.
16517 * cfganal.c: Ditto.
16519 * alloc-pool.c: Ditto.
16520 * dwarf2out.c: Ditto.
16522 * genattrtab.c: Ditto.
16523 * tree-ssa-loop-ivcanon.c: Ditto.
16524 * predict.c: Ditto.
16525 * timevar.c: Ditto.
16527 * fortran/gfortranspec.c: Ditto.
16528 * regmove.c: Ditto.
16529 * local-alloc.c: Ditto.
16530 * langhooks.c: Ditto.
16531 * function.c: Ditto.
16532 * tree-vectorizer.c: Ditto.
16534 * ipa-type-escape.c: Ditto.
16536 * tree-if-conv.c: Ditto.
16537 * profile.c: Ditto.
16539 * tree-data-ref.c: Ditto.
16540 * loop-unroll.c: Ditto.
16541 * treelang/treetree.c: Ditto.
16543 * bt-load.c: Ditto.
16544 * ggc-common.c: Ditto.
16546 * coverage.c: Ditto.
16548 * tree-cfgcleanup.c: Ditto.
16549 * tree-ssa-pre.c: Ditto.
16550 * cfgcleanup.c: Ditto.
16551 * loop-invariant.c: Ditto.
16552 * loop-iv.c: Ditto.
16553 * ipa-prop.c: Ditto.
16554 * print-tree.c: Ditto.
16555 * conflict.c: Ditto.
16556 * ggc-page.c: Ditto.
16557 * sched-deps.c: Ditto.
16558 * regclass.c: Ditto.
16559 * tree-object-size.c: Ditto.
16560 * combine.c: Ditto.
16561 * bb-reorder.c: Ditto.
16562 * resource.c: Ditto.
16563 * var-tracking.c: Ditto.
16564 * cfgloop.c: Ditto.
16565 * df-problems.c: Ditto.
16566 * reg-stack.c: Ditto.
16568 * gccspec.c: Ditto.
16569 * sched-rgn.c: Ditto.
16570 * tree-ssa-structalias.c: Ditto.
16571 * tree-ssa-reassoc.c: Ditto.
16572 * config/darwin-c.c: Ditto.
16573 * config/darwin.c: Ditto.
16574 * config/arm/arm.c: Ditto.
16576 * collect2.c: Ditto.
16577 * reload1.c: Ditto.
16579 2006-01-31 Nicolas Pitre <nico@cam.org>
16581 * arm.md (smaxsi3): Make aware of smax_m1.
16584 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16586 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16588 2006-01-31 Richard Guenther <rguenther@suse.de>
16590 * doc/invoke.texi (-msselibm): Document.
16591 * target.h (expand_library_builtin): New target hook.
16592 * builtins.c (expand_builtin): Use expand_library_builtin.
16593 (default_expand_library_builtin): New function.
16594 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16595 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16596 (link_gcc_math_spec): Declare.
16597 (static_specs): Add link_gcc_math_spec.
16598 * expr.h (default_expand_library_builtin): Declare.
16599 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16600 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16601 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16602 * config/i386/i386.opt (msselibm): New target option.
16603 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16604 (ix86_init_sse_abi_builtins): New function.
16605 (ix86_expand_library_builtin): Likewise.
16606 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16607 (override_options): Handle error conditions wrt -msselibm.
16608 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16609 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16610 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16613 2006-01-31 Richard Guenther <rguenther@suse.de>
16614 Paolo Bonzini <bonzini@gnu.org>
16616 * doc/install.texi (--disable-libgcc-math): Document.
16618 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16620 * expr.h (expand_normal): new inline function.
16621 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16622 * dojump.c: use it.
16623 * dwarf2out.c: use it.
16626 * expmed.c: use it.
16627 * except.c: use it.
16628 * config/sparc/sparc.c: use it.
16629 * config/i386/i386.c: use it.
16630 * config/rs6000/rs6000.c: use it.
16631 * config/arm/arm.c: use it.
16632 * config/mips/mips.c: use it.
16633 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16635 2006-01-30 Roger Sayle <roger@eyesopen.com>
16637 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16638 argv to the appropriate type.
16640 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16642 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16645 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16648 * config/s390/s390.c (struct machine_function): New flag
16649 decomposed_literal_pool_addresses_ok_p.
16650 (s390_reorg): Set it before final stage of literal pool transforms.
16651 (s390_decompose_address): Only accept displacements of the form
16652 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16654 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16656 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16657 the comparison routine return.
16659 2006-01-30 Michael Matz <matz@suse.de>
16661 * global.c (find_reg): Only evict for global regs.
16662 Take n_refs into account and dump more info.
16664 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16667 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16668 (pragma_trap, pragma_nosave_low_regs): Likewise.
16669 (current_function_anonymous_args): Likewise.
16670 (sh_deferred_function_attributes): New variable.
16671 (sh_deferred_function_attributes_tail): Likewise.
16672 (print_operand): For '@', look up trap_exit attribute.
16673 (calc_live_regs): Look up trapa_handler attribute. For trapa
16674 handlers, save/restore fpscr, but don't do any other
16675 interrupt-specific saves.
16676 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16677 Fix check for partially saved registers to check for SHmedia.
16678 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16679 (sh_output_function_epilogue): Don't clear any of the removed
16681 (sh_insert_attributes): Don't check pragma_interrupt.
16682 Insert deferred attributes. Check that interrupt attribute is
16683 present for other attributes that require its presence.
16684 (sh_attribute_table): Add new attributes trapa_handler and
16686 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16687 Don't check for pragma_interrupt. Don't store argument.
16688 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16689 (sh_deferred_function_attributes): Declare.
16690 (sh_deferred_function_attributes_tail): Likewise.
16691 * sh.md (sp_switch_1): Add operand. Change generator caller.
16692 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16693 (*return_i): Don't use when trap_exit attribute is in effect.
16694 (*return_trapa): New insn pattern.
16695 * sh-c.c: New file.
16696 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16697 setting c_target_objs and cxx_target_objs.
16698 * t-sh: Add rule for sh-c.o.
16700 2006-01-30 Richard Guenther <rguenther@suse.de>
16703 * gimplify.c (gimplify_target_expr): Handle easy cases
16704 without creating a temporary.
16706 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16708 * vec.h (safe_grow): Remove duplicated line.
16710 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16713 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16714 (expand_omp): ... here.
16715 (expand_omp_parallel): Only remove barriers for combined
16716 parallel+workshare constructs.
16718 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16722 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16723 * tree.c (build_qualified_type): Chain the new type to the original
16724 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16725 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16726 (build_pointer_type_for_mode): Only return unqualified types.
16727 (build_reference_type_for_mode): Likewise.
16729 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16731 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16732 * Makefile.in (CXX_COMPAT_WARN): Define.
16733 * configure: Regenerate.
16735 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16738 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16741 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16743 * toplev.c: Fix thinko.
16745 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16746 Marcin Dalecki <martin@dalecki.de>
16748 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16749 (push_srcloc): Use XNEW.
16750 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16752 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16754 * df-core.c (df_set_blocks): Deleted all variable.
16756 2006-01-28 Ian Lance Taylor <ian@airs.com>
16758 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16759 cgraph_output_pending_asms.
16761 2006-01-28 Zack Weinberg <zackw@panix.com>
16763 * c.opt: Add -W(no-)overlength-strings.
16764 * doc/invoke.texi: Document it.
16765 * c-opts.c (c_common_handle_option): -pedantic implies
16766 -Woverlength-strings, if not explicitly disabled already.
16767 (c_common_post_options): -Woverlength-strings defaults to off, and
16768 is always off for C++.
16769 * c-common.c (fix_string_type): Issue warning about strings longer
16770 than is portable only if warn_overlength_strings. Rearrange code
16771 a little for clarity.
16772 * configure.in: Check for -Wno-overlength-strings as well before
16773 enabling -pedantic in stage 1.
16774 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16775 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16777 * genconditions.c (write_header, write_one_condition)
16778 (write_conditions, write_writer): Consolidate very long strings
16779 that were broken up to fit in C89 portable limit. Don't use
16780 printf when fputs will do.
16782 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16784 * combine.c (simplify_comparison <AND>): Check
16785 TRULY_NOOP_TRUNCATION before start using a subreg.
16787 * config/mips/mips.md (*branch_zero<mode>,
16788 *branch_zero<mode>_inverted, *branch_equality<mode>,
16789 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16790 Remove mode check from comparisons.
16792 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16794 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16796 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16798 * expmed.c (const_mult_add_overflow_p): Remove.
16799 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16801 * recog.c (validate_replace_rtx_subexp): Remove.
16802 * recog.h: Remove the prototype for
16803 validate_replace_rtx_subexp.
16805 * integrate.h: Remove the prototype for
16806 copy_decl_for_inlining.
16807 * rtl.h: Remove the prototype for mark_constant_function.
16808 * tree-vectorizer.h: Remove the prototype for
16809 vect_strip_conversion.
16811 * modulo-sched.c (create_partial_schedule,
16812 free_partial_schedule, reset_partial_schedule): Make them
16815 * hooks.c (hook_bool_rtx_int_false): Remove.
16816 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16818 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16820 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16821 and -mlong-double-128 are incompatible.
16822 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16823 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16824 (TARGET_LIBGCC2_CFLAGS): Define.
16825 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16826 (TARGET_LIBGCC2_CFLAGS): Same.
16827 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16829 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16832 * c-typeck.c (build_binary_op): Perform implicit casts of
16833 operands before shortening them.
16835 * cfgloopmanip.c (split_loop_bb): Remove.
16836 * cfgloop.h: Remove the prototype for split_loop_bb.
16838 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16839 * cfgloop.h: Remove the prototype for
16840 flow_loop_outside_edge_p.
16842 * emit-rtl.c (init_virtual_regs): Make it static.
16843 * function.h: Remove the prototype for init_virtual_regs.
16845 * recog.c (peephole2_optimize): Make it static.
16846 * recog.h: Remove the prototype for peephole2_optimize.
16848 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16850 * df-scan.c (df_record_entry_block_defs): Check if
16851 INCOMING_RETURN_ADDR_RTX is defined.
16853 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16854 Kenneth Zadeck <zadeck@naturalbridge.com>
16856 PR rtl-optimization/24762
16857 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16858 * targhooks.c (hook_void_bitmap): New hook prototype.
16859 * targhoohs.h (hook_void_bitmap): Ditto.
16860 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16861 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16862 * target.h (live_on_entry): New function pointer.
16863 * df-scan.c (df_all_hard_regs): Removed.
16864 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16865 (df_scan_free_internal): Added df->entry_block_defs.
16866 (df_scan_alloc): Ditto.
16867 (df_scan_dump): Ditto.
16868 (df_uses_record): Plumbed flag field properly thru calls.
16869 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16870 This part fixes PR24762.
16871 (df_bb_refs_record): Added code to make the frame and arg
16872 pointers live in EH blocks.
16873 (df_refs_record): Added call to df_record_entry_block_defs.
16874 (df_record_entry_block_defs): New function.
16875 * df-core.c: Added comments to describe new artifical defs.
16876 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16877 (entry_block_defs): New field in struct df.
16878 (df_all_hard_regs): Deleted.
16879 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16880 * df-problems.c (df_ru_bb_local_compute_process_def):
16881 Added code to handle artifical defs in the entry to a function.
16882 (df_ru_bb_local_compute): Ditto.
16883 (df_rd_bb_local_compute_process_def): Ditto.
16884 (df_rd_bb_local_compute): Ditto.
16885 (df_lr_bb_local_compute): Ditto.
16886 (df_ur_bb_local_compute): Ditto.
16887 (df_urec_bb_local_compute): Ditto.
16888 (df_chain_create_bb): Ditto.
16889 (df_ur_local_finalize): Removed entry.
16890 (df_urec_init): Ditto.
16891 (df_urec_local_finalize): Ditto.
16892 (df_ri_bb_compute): Added detection of last use of pseudos.
16893 * Makefile.in (df-scan.o): Updated dependencies.
16894 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16895 * config/mips/mips.c (mips_set_live_on_entry): Added.
16896 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16898 * dce.c (marked_insn_p): Added code to handle artifical defs.
16900 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16902 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16904 (_mm_cvtsi128_si64): Likewise.
16905 (_mm_cvtsd_si64): Likewise.
16906 (_mm_cvttsd_si64): Likewise.
16907 (_mm_cvtsi64_sd): Likewise.
16908 (_mm_cvtsi64_si128): Likewise.
16909 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16910 (_mm_cvtsi64_m64): Likewise.
16911 (_m_to_int64): Likewise.
16912 (_mm_cvtm64_si64): Likewise.
16913 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16914 (_mm_cvttss_si64): Likewise.
16915 (_mm_cvtsi64_ss): Likewise.
16916 (_mm_cvtss_f32): Likewise.
16918 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16920 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16921 for pragma redefine_extname.
16923 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16926 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16927 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16928 -mno-minimal-toc to previous content.
16929 (bispecs): Remove goal.
16930 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16931 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16932 compatibility aliases on powerpc-*-*gnu*.
16933 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16934 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16935 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16936 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16937 (ldblspecs): New goal.
16938 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16939 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16941 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16942 L_sf_to_tf or L_df_to_tf is defined.
16944 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16945 Alan Modra <amodra@bigpond.net.au>
16948 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16949 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16950 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16951 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16952 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16953 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16954 (rs6000_override_options): Initialize rs6000_ieeequad.
16955 Initialize TFmode format to ibm_extended_format if not
16957 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16959 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16960 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16961 (function_arg_advance): IBM long double passed in two FPRs, not
16963 (function_arg): IBM long double passed in FPRs.
16964 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16965 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16966 Only multireg GPR aligned.
16967 (rs6000_init_libfuncs): Enable IBM long double functions if not
16969 (rs6000_generate_compare): Use IBM long double compare if not
16971 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16972 (TARGET_IEEEQUAD): Define.
16973 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16974 not TARGET_IEEEQUAD.
16975 * config/rs6000/rs6000.md: Enable TFmode patterns if
16977 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16978 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16979 and -mlong-double-128 are incompatible.
16980 * doc/invoke.texi (-mabi): Collect options together. Add
16981 ibmlongdouble and ieeelongdouble.
16983 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16985 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
16987 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
16988 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
16989 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
16990 * rtl.h (rtunion_def): Remove rt_ptr.
16992 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
16993 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
16994 * config/i386/winnt.c (i386_pe_mark_dllexport)
16995 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
16997 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
16999 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17001 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17005 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17006 pthread_key_delete. From John David Anglin. gthrw-ify
17007 pthread_getunique_np only if it it's not a macro. Delete
17009 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17010 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17011 __gthread_objc_condition_signal, __gthread_key_delete): Add
17012 "__attribute__ ((__unused__))" to unused arguments.
17013 (__gthread_recursive_mutex_init_function): Add missing return.
17014 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17015 gthr-posix95.h: Use macro-based approach for name redirection
17016 on targets missing weakref.
17018 2006-01-26 Zack Weinberg <zackw@panix.com>
17020 * genconditions.c (write_header): In generated code, #ifdef out
17021 all includes and fake declarations, except includes of bconfig.h
17022 and system.h, unless GCC_VERSION >= 3001. Do not include
17023 gensupport.h in any case.
17024 (write_conditions): Generate a definition of struct c_test. Add
17025 a comment to the generated #endif.
17026 (write_one_condition): Escape backslashes in string too.
17027 (write_writer): Generated code must escape backslashes and quote
17028 marks (but not newlines) in the strings it writes.
17029 * Makefile.in (build/gencondmd.o): Update dependencies.
17031 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17034 * Makefile.in (insn-automata.o): Add header file dependencies.
17035 * genautomata.c: Add includes.
17037 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17040 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17042 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17044 * configure.ac: Expect target tools paths to be passed from the toplevel
17045 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17047 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17049 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17052 * c.opt (Wpointer-sign): Init to -1.
17053 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17054 OPT_pedantic, to 0 otherwise.
17055 * doc/invoke.texi: Update.
17057 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17059 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17060 constants provided by 80387 instructions in the destination mode.
17062 2006-01-26 Richard Guenther <rguenther@suse.de>
17063 Andrew Pinski <pinskia@physics.uc.edu>
17066 partial PR tree-opt/17064
17067 * tree-ssa-structalias.c (intra_create_variable_infos):
17068 Create heap variables for incoming parameters if
17069 flag_argument_noalias > 1.
17070 (find_what_p_points_to): Look through default defs of
17073 2006-01-26 Jeff Law <law@redhat.com>
17076 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17077 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17078 within the VR_RANGE, use the VR_RANGE as the result, not the
17080 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17081 bounds for the type.
17083 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17085 * tree-ssa-alias.c (maybe_create_global_var): Change
17086 subvar walking to an assertion that we don't have subvar'd variables.
17088 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17091 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17092 Use a new variable, inner. PARM_DECLs are always non-weak.
17094 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17096 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17097 --disable-checking.
17099 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17101 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17103 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17105 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17106 (smax_insn, smin_insn, smax_0, smin_0): New.
17108 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17111 * config/cris/cris.c (cris_order_for_addsi3): New function.
17112 * config/cris/cris-protos.h: Prototype it.
17113 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17114 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17115 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17116 (split for "op.S1 [rx=rx+i],ry (swapped)")
17117 (split for "op(s|u).S1 [rx=rx+i],ry")
17118 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17119 Apply cris_order_for_addsi3 when generating addsi3 insns.
17121 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17123 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17124 (TREE_BLOCK): Add call to EXPR_CHECK.
17126 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17129 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17130 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17131 (dump_omp_clauses): ... here.
17132 (dump_generic_node): Handle OMP_CLAUSE.
17133 * tree.c (omp_clause_num_ops): New.
17134 (omp_clause_code_name): New.
17135 (tree_code_size): Handle OMP_CLAUSE.
17136 (tree_size): Likewise.
17137 (make_node): Document handling of OMP_CLAUSE.
17138 (tree_node_structure): Handle OMP_CLAUSE.
17139 (omp_clause_check_failed): New.
17140 (omp_clause_range_check_failed): New.
17141 (omp_clause_operand_check_failed): New.
17142 (build_omp_clause): New.
17143 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17144 * tree.h (enum omp_clause_code): Declare.
17145 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17146 (OMP_CLAUSE_RANGE_CHECK): Define.
17147 (OMP_CLAUSE_ELT_CHECK): Define.
17148 (omp_clause_check_failed): Declare.
17149 (omp_clause_operand_check_failed): Declare.
17150 (omp_clause_range_check_failed): Declare.
17151 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17152 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17153 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17154 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17155 (OMP_CLAUSE_IF_EXPR): Likewise.
17156 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17157 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17158 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17159 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17160 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17161 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17162 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17163 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17164 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17165 (OMP_CLAUSE_CODE): Define.
17166 (OMP_CLAUSE_SET_CODE): Define.
17167 (OMP_CLAUSE_CODE): Define.
17168 (OMP_CLAUSE_OPERAND): Define.
17169 (struct tree_omp_clause): Declare.
17170 (union tree_node): Add field 'omp_clause'.
17171 * treestruct.def (TS_OMP_CLAUSE): Define.
17172 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17173 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17174 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17175 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17176 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17177 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17178 (OMP_CLAUSE): Define.
17179 * print-tree.c (print_node): Handle OMP_CLAUSE.
17180 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17181 * c-typeck.c: Likewise.
17182 * gimplify.c: Likewise.
17183 * c-omp.c: Likewise.
17184 * tree-nested.c: Likewise.
17185 * tree-inline.c: Likewise.
17186 * c-parser.c: Likewise.
17187 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17190 2006-01-25 Roger Sayle <roger@eyesopen.com>
17192 PR rtl-optimization/25703
17193 * combine.c (try_combine): Handle zero_extract and strict_low_part
17194 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17196 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17198 * global.c: Fix comment typos.
17200 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17203 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17204 Use output_addr_const instead of assemble_name.
17206 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17208 * Makefile.in (sched-vis.o): Update dependencies.
17209 * haifa-sched.c (sched_finish): Clear current_sched_info.
17210 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17211 (dump_flow_info): Call it.
17212 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17214 * basic-block.h (dump_bb_info): Declare.
17215 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17216 option, and apply options only for dump files whose TDF_RTL,
17217 TDF_TREE, or TDF_IPA bits match.
17218 * rtl.h: Declare new functions exported from sched-vis.c.
17219 * sched-vis.c: Enable also if scheduling is not used.
17220 (print_value): Print the mode of registers if not inside scheduling.
17221 (print_insn): Make it work outside the scheduler. Beautify the output
17223 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17225 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17227 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17228 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17229 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17230 depending on the value of CONSTANT_POOL_ADDRESS_P.
17231 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17233 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17234 rather than SYMBOL_REF_DECL.
17235 (rtx_constant_pool): Remove const_rtx_sym_htab.
17236 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17237 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17238 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17239 Remove handling of const_rtx_sym_htab.
17240 (find_pool_constant): Delete.
17241 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17242 rather than find_pool_constant.
17243 (get_pool_constant_for_function): Delete.
17244 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17245 find_pool_constant.
17246 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17247 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17248 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17249 (SYMBOL_REF_CONSTANT): New macro.
17250 (get_pool_constant_for_function): Delete.
17251 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17252 rather than SYMBOL_REF_DECL.
17253 (i386_pe_mark_dllimport): Likewise.
17254 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17255 rather than SYMBOL_REF_DECL.
17256 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17257 (machopic_indirect_call_target): Likewise.
17259 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17261 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17263 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17265 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17267 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17269 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17271 2006-01-24 David Daney <ddaney@avtrex.com>
17274 * configure.ac (enable_tls): New enable option.
17275 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17276 * configure: Regenerate.
17277 * doc/install.texi (--enable-tls): Document new option.
17278 (--disable-tls): Ditto.
17280 2006-01-24 Richard Henderson <rth@redehat.com>
17282 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17283 * alias.c (true_dependence): Respect it.
17284 (canon_true_dependence, write_dependence_p): Likewise.
17285 * builtins.c (get_builtin_sync_mem): Set it.
17287 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17289 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17292 2006-01-24 DJ Delorie <dj@redhat.com>
17294 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17295 for storing constants in single-bit bitfields.
17297 2006-01-25 Ben Elliston <bje@au.ibm.com>
17299 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17301 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17304 * tree-ssa-pre.c (phi_translate): Return NULL
17305 for AGGREGATE_TYPE's.
17307 2006-01-24 Zack Weinberg <zackw@panix.com>
17309 * genautomata.c (process_state_for_insn_equiv_partition):
17310 Use xcalloc for insn_arcs_array.
17311 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17312 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17314 2006-01-24 Richard Henderson <rth@redhat.com>
17316 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17317 update all callers.
17319 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17321 PR rtl-optimization/25890
17322 PR rtl-optimization/25905
17323 * combine.c (expand_compound_operation, expand_field_assignment):
17324 Fail if the bitfield's final position is out of bounds.
17326 2006-01-24 Ian Lance Taylor <ian@airs.com>
17328 PR middle-end/25930
17329 * cgraphunit.c (cgraph_output_in_order): Don't clear
17330 cgraph_asm_nodes until after asm strings have been output.
17332 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17334 * fix-header.c (read_scan_file): Add new parameter imultilib when
17335 calling register_include_chains.
17337 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17339 * omp-low.c: Update documentation.
17341 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17342 Daniel Berlin <dberlin@dberlin.org>
17346 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17347 return from the function.
17349 2006-01-22 Zack Weinberg <zackw@panix.com>
17351 * rtl.def (match_code): Add second argument.
17352 * genpreds.c (write_extract_subexp): New function.
17353 (write_match_code): Add path argument. Use write_extract_subexp.
17354 (write_predicate_expr): Pass path to write_match_code.
17355 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17356 not perform a mode test.
17357 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17358 a subexpression does not constrain the top-level code set.
17359 * read-rtl.c (read_rtx_variadic): New function.
17360 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17361 * doc/md.texi: Document new notation.
17362 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17363 (cmpsi_operand): ... here, using new notation.
17365 2006-01-22 Zack Weinberg <zackw@panix.com>
17367 * varray.c: Remove GENERATOR_FILE #ifdefs.
17369 2006-01-22 Zack Weinberg <zackw@panix.com>
17371 * genautomata.c (output_reserved_units_table): Emit nothing if
17372 description->query_units_num is zero. Remove extra blank line.
17373 (output_cpu_unit_reservation_p): Short circuit
17374 if description->query_units_num is zero.
17376 2006-01-22 Zack Weinberg <zackw@panix.com>
17378 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17379 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17380 nor any of the random handful of variables that used to be necessary
17381 when this program was linked with rtlanal.o. Prune set of forward
17382 function declarations.
17383 (struct attr_desc): Remove static_p field.
17384 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17385 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17386 (attr_string): Do not read the character one past the length of
17388 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17389 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17390 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17391 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17392 (make_automaton_attrs): New.
17393 (main): Do not call into genautomata. Call local gen_bypass
17394 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17395 Remove special case for insn_alts.
17396 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17397 varray.h (leftover from previous change). Prune set of forward
17398 function declarations. Remove state_alts fields from all
17399 structures. Remove state_alts_table from struct automaton.
17400 Make everything except main static. Do not maintain num_dfa_decls.
17401 Do not maintain state_alts fields of various structures.
17402 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17403 (add_arc): Remove state_alts argument. All callers updated.
17404 (output_reserved_units_table): Emit #ifdef here...
17405 (output_tables): ...not here. Don't generate state_alts tables.
17406 (expand_automata): Don't generate attributes.
17407 (write_automata): Don't generate state_alts functions.
17408 (main): New function.
17409 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17410 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17411 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17412 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17413 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17414 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17415 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17416 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17418 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17419 * genattrtab.h: Delete file.
17420 * Makefile.in (OBJS-common): Add insn-automata.o.
17421 (insn-automata.o): New rule.
17422 (simple_generated_c): Add insn-automata.c.
17423 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17424 (genprogmd): Add automata.
17425 (build/genattrtab): Needs no extra objects nor libraries.
17426 (build/genautomata): Needs build/vec.o and -lm.
17428 2006-01-22 Zack Weinberg <zackw@panix.com>
17430 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17431 (output_dfa_max_issue_rate, locked_states_num): Delete.
17432 (struct automaton): Add locked_states field.
17433 (output_dead_lock_vect): Save number of locked states in
17434 automaton->locked_states. If it is zero, don't print anything.
17435 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17436 (output_internal_dead_lock_func): Only test the dead_lock_vect
17437 for automata that have locked states.
17438 (output_statistics): Always print the number of locked states for
17439 each automaton. Calculate total number of locked states here.
17440 (write_automata): Don't call output_dfa_max_issue_rate.
17441 * genattrtab.c: Define length_unit_log as a const variable.
17442 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17443 max_insn_queue_index const.
17444 * final.c (length_unit_log): Declare const.
17445 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17447 2006-01-22 Zack Weinberg <zackw@panix.com>
17449 * genautomata.c: Include vec.h, not varray.h.
17450 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17451 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17452 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17453 VEC_* macros operating on appropriately typed vectors, or to
17454 malloced arrays when the size is known in advance. Const-ify
17455 many char* variables and function arguments. No functional changes.
17456 * Makefile.in (build/varray.o): Delete rule.
17457 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17458 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17460 2006-01-22 Zack Weinberg <zackw@panix.com>
17462 * gensupport.c: Define get_insn_name and record_insn_name here.
17463 (read_md_rtx): Call record_insn_name as appropriate.
17464 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17465 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17466 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17468 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17469 (BUILD_VARRAY): Delete.
17470 (genprognormal): Rename genprogmd. Fold in all programs from
17471 genprognoprint; also attrtab.
17472 (build/genattrtab): Just mention genautomata.o and varray.o.
17473 Reorganize a bit, add comments to make the categories clearer.
17475 2006-01-22 Zack Weinberg <zackw@panix.com>
17477 * genconditions.c (condition_table, add_condition): Delete.
17478 (write_conditions): Don't emit n_insn_conditions nor
17479 insn_elision_unavailable. Issue the gcc version #ifdef here,
17480 inside the table, with no #else clause ...
17481 (write_header): ...not here.
17482 (write_writer): New function.
17483 (main): Don't initialize condition_table. Use add_c_test.
17485 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17486 files on the command line.
17487 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17488 Return -1 if there is no entry in the table, don't abort.
17489 (add_c_test, traverse_c_tests): New functions.
17490 * gensupport.h (insn_elision_unavailable, insn_conditions)
17491 (n_insn_conditions): Delete declarations.
17492 (add_c_test, traverse_c_tests): Declare.
17493 * read-rtl.c: Include gensupport.h.
17494 (read_conditions): New function.
17495 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17496 (read_rtx_1): If we get EOF when we were looking for an initial
17497 open paren, return 0. Call read_conditions when appropriate.
17498 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17499 dummy-conditions.o. Eliminate references to insn-conditions.o,
17500 or change them to build/gencondmd.o, as appropriate. Remove
17501 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17502 from $(simple_generated_c). For all files remaining in those
17503 two lists, add insn-conditions.md to the generator command line.
17504 Give insn-constants.h/s-constants their own rules. Add rules
17505 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17506 (build/read-rtl.o): Depend on gensupport.h.
17507 (genprognormal): Include preds.
17508 (genprogearly): Rename genprognoprint; only difference is now that
17509 they don't link with $(BUILD_PRINT).
17510 * dummy-conditions.c: Delete.
17512 2006-01-22 Zack Weinberg <zackw@panix.com>
17514 * genextract.c: Don't include insn-config.h. Do include vec.h.
17515 Declare vectors of int, char, and locstr.
17516 (locstr): New typedef.
17517 (struct extraction): Make all array fields into bare pointers.
17518 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17519 (insn_code_number): Delete.
17520 (accum_extract): New struct.
17521 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17522 (gen_insn): Take insn_code_number as an argument. Use an
17523 accum_extract structure instead of loading data directly into
17524 a struct extraction, and having to know how big it might get.
17525 (walk_rtx): Operate entirely on an accum_extract structure.
17526 (print_path): Avoid unnecessary use of printf.
17527 (print_header): New function, split out of main. Distinguish
17528 more carefully between an unrecognizable insn and an insn that
17529 has the code number of a define_expand.
17530 (main): Pass insn_code_number to gen_insn. Call print_header
17531 only after parsing. Avoid unnecessary use of printf.
17532 * Makefile.in (build/vec.o): New rule.
17533 (build/genextract): Depend on build/vec.o.
17534 (build/genextract.o): Don't depend on insn-config.h.
17536 2006-01-22 Zack Weinberg <zackw@panix.com>
17538 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17539 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17540 practical. Eliminate per-generator-program link rules.
17542 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17544 PR middle-end/24437
17545 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17546 with a call expr to ...
17547 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17549 2006-01-23 Richard Guenther <rguenther@suse.de>
17551 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17552 before make_edge with conditional EDGE_TRUE_VALUE.
17554 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17555 Jan Hubicka <jh@suse.cz>
17556 Richard Guenther <rguenther@suse.de>
17558 PR rtl-optimization/25654
17559 * cfgexpand.c (aggregate_contains_union_type): New function.
17560 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17561 for structure variables that contain a union type.
17563 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17565 * gengtype.c (new_structure): Return the structure.
17566 (create_option): Add an extra "next" argument.
17567 (create_field): New function.
17568 (adjust_field_rtx_def): Use create_option and create_field.
17569 Remove a now-unnecessary call to find_structure.
17570 (adjust_field_tree_def): Likewise.
17571 (note_yacc_type): Remove an unnecessary call to find_structure.
17572 * gengtype.h (new_structure): Return the structure.
17573 (create_option): Add an extra argument.
17574 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17575 (option): Adjust calls to create_option.
17577 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17579 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17581 2006-01-22 Paul Brook <paul@codesourcery.com>
17582 Peter Barada <peter@the-baradas.com>
17584 * config/m68k/m68k.md: Add Coldfire FPU support.
17585 Define FP mode macro and associated attributes.
17586 Use it for float mode patterns.
17587 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17588 (LIBCALL_VALUE): Use m68k_libcall_value.
17589 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17590 (m68k_function_value): Ditto.
17591 (emit_move_sequence): Ditto.
17592 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17593 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17594 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17595 (MULTILIB_EXCEPTIONS): Ditto.
17596 * config/m68k/m68k.opt: Add mcfv4e.
17597 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17598 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17599 (m68k_output_function_prologue): Save ColdFire FPU registers.
17600 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17601 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17602 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17603 ColdFire FPU registers.
17604 (m68k_libcall_value, m68k_function_value): New functions.
17605 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17606 (LIBCALL_VALUE): Use m68k_libcall_value.
17607 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17608 (MASK_COLDFIRE): Add MASK_CFV4E.
17609 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17610 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17611 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17612 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17613 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17614 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17615 * doc/invoke.tex: Document -mcfv4e on m68k.
17617 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17619 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17622 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17625 * c-opts.c (c_common_handle_option): Don't include
17626 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17627 * doc/invoke.texi (C++ Dialect Options): Document that
17628 -Wnon-virtual-dtor is no longer included in -Wall.
17630 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17632 * gcov.c (print_version), gcov-dump.c (print_version),
17633 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17636 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17638 * df-scan.c (problem_SCAN): Added NULL reset function.
17639 (df_scan_reset_blocks): Added code to call reset block function
17640 (df_bb_refs_delete) Fixed comment.
17641 (df_insn_refs_delete): Made tolerant of deleting non existent info
17642 for dataflow problems that need to be reset.
17643 * df-core.c (df_set_blocks): Ditto.
17644 * df.h (struct df_problem): Added reset_fun.
17645 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17646 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17647 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17648 functions to clear out all references to def-use or use-def chains.
17650 2006-01-21 Ben Elliston <bje@au.ibm.com>
17652 * varasm.c (assemble_real): Initialise data array.
17654 2006-01-20 Paul Brook <paul@codesourcery.com>
17656 Merge from csl-arm-branch.
17657 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17658 * config/arm/arm.md (movdi): Force operands[1] to a register
17659 if we have a non-register source.
17660 (*arm_movdi, *movdf_soft_insn): Require that one of the
17661 operands be a register.
17662 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17663 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17665 2006-01-20 DJ Delorie <dj@redhat.com>
17667 * varasm.c (initializer_constant_valid_p): Allow pointers
17668 initialized from integer constants of lesser precision.
17669 (output_constant): Allow non-int-sized pointer modes to be
17670 initialized from integer constants.
17672 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17675 * cppdefault.h (struct default_include): Add multilib flag.
17676 * cppdefault.c (cpp_include_defaults): Set it.
17677 * c.opt (-imultilib): New option.
17678 * c-opts.c (imultilib): New.
17679 (c_common_handle_option): Handle -imultilib.
17680 (c_common_post_options): Likewise.
17681 * c-incpath.c (add_standard_paths, register_include_chains):
17683 * c-incpath.h (register_include_chains): Add extra parameter.
17684 * gcc.c (do_spec_1): Generate -imultilib option.
17685 (The Specs Language): Update %I description.
17686 (process_command): Update copyright notice.
17687 * doc/cppopts.texi (-imultilib): Document.
17688 * doc/invoke.texi (-imultilib): Include in option summary.
17689 (%I): Update specs documentation.
17691 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17693 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17695 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17697 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17700 2006-01-20 Richard Guenther <rguenther@suse.de>
17701 Steven Bosscher <stevenb.gcc@gmail.com>
17703 PR rtl-optimization/24626
17704 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17705 EDGE_TRUE_VALUE if in RTL mode.
17708 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17709 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17711 2006-01-20 Dirk Mueller <dmueller@suse.com>
17714 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17715 instead of a special NOP marker.
17716 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17717 NOP marker handling.
17718 * c-common.h (empty_body_warning): Add forward declaration.
17719 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17720 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17722 2006-01-20 Paul Brook <paul@codesourcery.com>
17724 * Makefile.in (lang_checks): Keep going if mkdir fails.
17726 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17728 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17729 be able to clean out basic block when not necessary.
17730 (df_scan_free): Fixed to properly delete information if df is
17731 unused before calling df_finish.
17732 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17733 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17735 (df_bb_refs_delete): New function.
17736 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17737 * df-core.c (df_set_blocks): Added code to properly clean out
17738 unused blocks if they are not part of the blocks to consider.
17739 Added additional null check.
17740 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17741 be able to clean out basic block when not necessary
17742 * df.h (df_free_bb_function): Ditto.
17743 (df_bb_refs_delete): New function.
17744 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17745 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17746 basic block parameter to be able to clean out basic block when not
17748 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17749 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17750 Fixed to properly delete information if df is unused before
17753 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17755 PR rtl-optimization/25799
17756 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17757 Corrected confluence operator to remove bits from op2 before oring
17758 with op1 rather than removing bits from op1.
17759 (df_ru_transfer_function): Corrected test on wrong bitmap which
17760 caused infinite loop. Both of these problems were introduced in
17761 the dataflow rewrite.
17763 2006-01-19 DJ Delorie <dj@redhat.com>
17765 * reload1.c (find_reload_regs): Note the details of reload
17766 failures in the dump file.
17767 (spill_failure): Likewise.
17769 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17771 * loop-iv.c: Include df.h and hashtab.h.
17772 (enum iv_grd_result): New enum.
17773 (DF_REF_IV, DF_REF_IV_SET): New macros.
17774 (struct biv_entry): New.
17775 (df, bivs): New global variables.
17776 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17777 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17779 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17780 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17781 analyzed_for_bivness_p, record_biv): New functions.
17782 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17783 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17784 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17786 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17788 (iv_number_of_iterations): Use new interface to iv analysis.
17789 * loop-unroll.c: Do not include varray.h.
17790 (analyze_iv_to_split_insn): Use new interface to iv
17792 * loop-unswitch.c (may_unswitch_on): Ditto.
17793 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17795 (df_bb_modify): Realloc tables to the new index.
17796 (df_find_use): New function.
17797 * df.h (df_find_use): Declare.
17798 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17800 * cfgloop.h (struct rtx_iv): Remove analysed field.
17801 (iv_get_reaching_def): Removed.
17802 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17803 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17804 (loop-iv.o): Add df.h and hashtab.h dependency.
17805 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17807 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17810 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17812 (__floatundisf, __floatundidf): Likewise.
17813 * libgcc2.h (IS_IBM_EXTENDED): Define.
17815 2006-01-19 DJ Delorie <dj@redhat.com>
17817 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17819 2006-01-19 Paul Brook <paul@codesourcery.com>
17821 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17822 as nothrow when unwinding tables are disabled.
17824 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17827 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17828 of bit-field" when in system header.
17830 2006-01-19 DJ Delorie <dj@redhat.com>
17832 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17833 the 16 bit shift limit of the m16c.
17835 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17838 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17839 * config/i386/i386.c (output_set_got): Output the label if we have one
17840 for the TARGET_DEEP_BRANCH_PREDICTION case.
17842 2006-01-19 Jan Hubicka <jh@suse.cz>
17843 H.J. Lu <hongjiu.lu@intel.com>
17844 Evandro Menezes <evandro.menezes@amd.com>
17846 * invoke.texi (generic): Document
17848 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17849 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17850 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17851 (x86_use_incdec, x86_pad_returns): New variables
17852 (TARGET_CPU_DEFAULT_generic): New constant
17853 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17854 (enum processor_type): Add generic32 and generic64.
17855 * i386.md (cpu attribute): Add generic32/generic64
17856 (movhi splitter): Behave sanely when both partial_reg_dependency and
17857 partial_reg_stall are set.
17858 (K8 splitters): Enable for generic as well.
17859 * predicates.md (incdec_operand): Use TARGET_INCDEC
17860 (aligned_operand): Avoid memory mismatch stalls.
17861 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17862 * ppro.md: Enable for generic32
17863 * i386.c (generic64_cost, generic32_cost): New.
17864 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17865 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17866 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17867 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17868 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17869 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17870 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17871 x86_accumulate_outgoing_args, x86_prologue_using_move,
17872 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17873 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17874 Enable for generic.
17875 (x86_use_incdec, x86_pad_returns): New.
17876 (override_options): Add generic32 and generic64, translate "generic"
17877 to generic32/generic64 and "i686" to "generic32", refuse
17878 "generic32"/"generic64" as arch target.
17879 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17880 (ix86_reorg): Honor PAD_RETURNS.
17882 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17884 * tree-pretty-print.c (dump_generic_node): Handle
17885 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17886 * cgraph.c (cgraph_expand_queue): Rename from
17887 cgraph_analyze_queue. Update all users.
17888 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17889 cgraph_expand_queue.
17890 (cgraph_expand_all_functions): Likewise.
17891 (cgraph_finalize_pending_functions): Remove. Update callers.
17893 * tree.h (OMP_DIRECTIVE_P): Define.
17894 (OMP_PARALLEL_FN): Define.
17895 (OMP_PARALLEL_DATA_ARG): Define.
17896 (OMP_SECTIONS_SECTIONS): Define.
17897 * tree-pass.h (pass_expand_omp): Declare.
17898 * omp-low.c (struct omp_region): Declare.
17899 (struct omp_context): Remove fields 'parallel_type',
17900 'parallel_start_ix' and 'parallel_start_additional_args'.
17902 (struct omp_for_data): Rename from struct expand_omp_for_data.
17903 (omp_regions): New static variable.
17904 (root_omp_region): New static variable.
17905 (find_omp_clause): Make static.
17906 (is_in_combined_parallel_ctx): Remove.
17907 (is_combined_parallel): New.
17908 (extract_omp_for_data): Move earlier in the file.
17909 (workshare_safe_to_combine_p): New.
17910 (get_ws_args_for): New.
17911 (determine_parallel_type): Move earlier in the file.
17912 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17914 (omp_copy_decl): Likewise.
17915 (create_omp_child_function): Likewise.
17916 (lookup_omp_region): New.
17917 (dump_omp_region): New.
17918 (debug_omp_region): New.
17919 (debug_all_omp_regions): New.
17920 (new_omp_region): New.
17921 (scan_omp_parallel): If parallel_nesting_level > 1, the
17922 directive is nested within another parallel directive.
17923 Set OMP_PARALLEL_FN.
17924 (scan_omp_for): Do not try to handle combined parallel+for
17926 Remove FIXME comment.
17927 (scan_omp_nested): Remove.
17928 (scan_omp_1): Do not call scan_omp_nested when
17929 parallel_nesting_level is > 1.
17930 Do not change the DECL_CONTEXT of local variables found.
17931 (lookup_decl_in_outer_ctx): New.
17932 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17933 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17934 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17935 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17936 If CTX is nested, lookup VAR in the outer context when
17937 building copy assignment.
17938 (lower_send_clauses): Rename from expand_send_clauses.
17939 If CTX is nested, lookup VAR in the outer context when
17940 building copy assignments.
17941 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17942 If CTX is nested, lookup VAR in the outer context when
17943 building copy assignments.
17944 (expand_parallel_call): Rename from build_parallel_call.
17945 Handle combined parallel+workshare cases.
17946 Re-implement to emit code into the CFG.
17948 (expand_omp_parallel): Re-implement to emit code into the CFG.
17949 Call move_sese_region_to_fn to outline the sub-graph
17950 containing the parallel region.
17951 (expand_omp_for_1): Remove.
17952 (expand_omp_for_generic): Re-implement to emit code into the
17954 (expand_omp_for_static_nochunk): Likewise.
17955 (expand_omp_for_static_chunk): Likewise.
17956 (expand_omp_for): Likewise.
17957 (expand_omp_sections): Likewise.
17958 (remove_exit_barriers): New.
17959 (expand_omp_synch): New.
17961 (build_omp_regions_1): New.
17962 (build_omp_regions): New.
17963 (execute_expand_omp): New.
17964 (gate_expand_omp): New.
17965 (pass_expand_omp): Define.
17966 (lower_omp_sections): Rename from expand_omp_sections.
17967 Set OMP_SECTIONS_SECTIONS.
17968 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17969 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17970 (lower_omp_single): Rename from expand_omp_simple.
17971 (lower_omp_master): Rename from expand_omp_master.
17972 (lower_omp_ordered): Rename from expand_omp_ordered.
17973 (lower_omp_critical): Rename from expand_omp_critical.
17974 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17975 (lower_omp_for): Re-implement.
17976 (lower_omp_parallel): Re-implement.
17977 (lower_regimplify): Rename from expand_regimplify.
17978 (lower_omp_1): Rename from expand_omp_1.
17979 If there are syntax errors in the program, replace every
17980 OpenMP directive with NOP.
17981 Call lower_omp_* instead of expand_omp_*.
17982 (lower_omp): Rename from expand_omp.
17984 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17985 * tree-gimple.h (enum omp_parallel_type): Remove.
17986 (gimple_boolify): Declare extern.
17987 (find_omp_clause, determine_parallel_type): Remove.
17989 * gimple-low.c (lower_omp_directive): New.
17990 (lower_stmt): Call it.
17991 (record_vars_into): Move from ...
17992 (record_vars): ... here.
17993 Call record_vars_into with current_function_decl.
17995 * gimplify.c (struct gimplify_ctx): Remove fields
17996 combined_pre_p and combined_ctxp. Update users.
17997 (get_formal_tmp_var): Add documentation.
17998 (gimple_boolify): Make extern.
17999 (gimplify_expr_in_ctx): Remove. Update callers.
18000 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18001 will always be a BIND_EXPR.
18002 (gimplify_expr): Handle OMP_RETURN_EXPR.
18003 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18004 (OMP_PARALLEL): Add 3 operands.
18005 (OMP_SECTIONS): Add 1 operand.
18006 (OMP_RETURN_EXPR): Define.
18008 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18009 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18010 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18011 creating a circular free list.
18012 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18014 * tree-flow.h (move_sese_region_to_fn): Declare.
18015 (record_vars_into): Declare.
18016 * tree-cfg.c (make_omp_sections_edges): New.
18017 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18018 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18019 OMP_SECTIONS and OMP_SECTION.
18020 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18021 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18022 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18023 (gather_blocks_in_sese_region): New.
18024 (struct move_stmt_d): Declare.
18025 (move_stmt_r): New.
18026 (move_block_to_fn): New.
18027 (move_sese_region_to_fn): New.
18029 * passes.c (init_optimization_passes): Schedule
18030 pass_expand_omp after pass_init_datastructures.
18032 * tree-ssa-operands.c (get_expr_operands): Handle
18033 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18034 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18036 2006-01-19 Jeff Law <law@redhat.com>
18038 * tree-vrp.c (extract_range_from_assert): Refine the result range
18039 if the variable referenced by the ASSERT_EXPR has a range and
18040 either the tentative result range or the previous range is a
18043 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18045 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18047 2006-01-19 Jan Hubicka <jh@suse.cz>
18049 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18051 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18053 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18054 (expand_compound_operation, expand_field_assignment): Fail if the
18055 bit lengths of an extract operation are out of range.
18056 (make_extraction): Compute wanted_inner_mode based on the position
18057 and length of the extraction. Make it extraction_mode for non-constant
18058 positions, and do not modify offset in that case. When generating a
18059 new MEM, use a mode that can hold the extraction while keeping correct
18060 alignment. Remove code that supported MEMs wrapped by USEs.
18061 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18063 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18065 * config/s390/s390.md ("Y", "y"): New mode attribute.
18066 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18067 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18068 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18069 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18070 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18071 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18072 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18073 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18074 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18075 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18076 "addsi3", "subsi3"): Insn patterns removed.
18077 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18078 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18079 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18080 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18081 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18082 "*sub<mode>3_cconly2"): New insn patterns.
18083 ("addsi3", "subsi3"): New expanders.
18085 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18087 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18088 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18089 existing STMT_VINFO_VECTYPE if available.
18090 (vect_mark_relevant): Add special handling for stmts that are
18091 marked as STMT_VINFO_IN_PATTERN_P.
18092 (vect_analyze_loop): Call vect_pattern_recog.
18093 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18094 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18096 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18097 (vect_recog_func_ptr): New function-pointer type.
18098 * tree-vect-patterns.c: New file.
18099 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18100 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18101 (vect_pattern_recog_1): New functions.
18102 (vect_pattern_recog_funcs): New array of function pointers.
18104 * tree-vectorizer.h (ternary_op): New enum value.
18105 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18106 declaration. Revised documentation. Removed redundant dump prints.
18107 Removed redundant argument. Added support for reduction patterns.
18108 (vectorizable_reduction): Added support for reduction patterns.
18109 (vect_transform_stmt): Added support for patterns.
18111 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18112 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18113 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18114 (expand_widen_pattern_expr): New function.
18115 (init_optabs): Initialize new optabs udot_prod_optab,
18117 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18118 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18119 (expand_widen_pattern_expr): New function declaration.
18120 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18122 * tree-inline.c (estimate_num_insns_1): Added cases for new
18123 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18124 * tree-pretty-print.c (dump_generic_node): Likewise.
18125 (op_prio): Likewise.
18126 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18127 * tree-ssa-operands.c (get_expr_operands): Added case for
18129 * tree-vect-patterns.c (widened_name_p): New function.
18130 (vect_recog_dot_prod_pattern): Added function implementation.
18131 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18132 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18133 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18134 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18136 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18137 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18138 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18139 (init_optabs): Initialize new optabs widen_ssum_optab,
18141 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18142 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18143 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18144 use instead of type of def.
18145 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18146 function implementation.
18147 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18148 widen_ssumv8hi): New.
18150 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18153 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18156 * c-decl.c (add_flexible_array_elts_to_size): New function.
18157 (finish_decl): Use it.
18159 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18161 * diagnostic.h: Include options.h.
18162 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18163 dependancies for diagnostic.h.
18164 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18166 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18168 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18169 (ssa_ro_call_cache_valid): Ditto.
18170 * tree-ssa-alias.c (sort_tags_by_id): New function.
18171 (init_transitive_clobber_worklist): Ditto.
18172 (add_to_worklist): Ditto.
18173 (mark_aliases_call_clobbered): Ditto.
18174 (compute_tag_properties): Ditto.
18175 (set_initial_properties): Ditto.
18176 (compute_call_clobbered): Ditto.
18177 (compute_may_aliases): Call compute_call_clobbered and grouping.
18178 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18179 (compute_flow_insensitive_aliasing): Grouping now happens in our
18181 (setup_pointers_and_addressables): Remove clobbering related code.
18182 (add_may_alias): Ditto.
18183 (replace_may_alias): Ditto.
18184 (get_nmt_for): Ditto.
18185 (create_global_var):
18186 (is_escape_site): Return an escape_type enumeration.
18187 * tree-flow-inline.h (is_call_clobbered): Global var does not
18188 imply call clobbered.
18189 (mark_call_clobbered): Take a reason for marking this. Remove
18190 marking of globalness, and cache invalidation.
18191 (clear_call_clobbered): Remove cache invalidation code.
18192 * tree-dfa.c (dump_variable): If details is on, dump the reason
18194 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18196 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18197 (struct var_ann_d): Ditto.
18198 (enum escape_type): New.
18199 (mark_call_clobbered): Adjust prototype.
18200 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18201 are never call clobbered.
18202 Record reasons for escaping.
18203 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18204 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18205 (ssa_ro_call_cache_valid): Ditto.
18206 (clobbered_v_may_defs): Ditto.
18207 (clobbered_vuses): Ditto.
18208 (ro_call_vuses): Ditto.
18209 (clobber_stats): New.
18210 (init_ssa_operands): Zero out clobber stats.
18211 (fini_ssa_operands): Print out clobber stats.
18212 (get_call_expr_operands): Pass callee fndecl to
18213 add_call_read_ops).
18214 (add_call_clobber_ops): Remove use of cache.
18215 Add use of PURE_CONST information.
18216 (add_call_read_ops): Remove use of cache.
18217 Add use of static not_read information.
18219 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18221 Introduce TLS descriptors for i386 and x86_64.
18222 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18223 (TARGET_ANY_GNU_TLS): New macro.
18224 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18225 (struct machine_function): Add tls_descriptor_call_expanded_p.
18226 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18227 (ix86_current_function_calls_tls_descriptor): Likewise.
18228 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18229 (override_options): Introduce gnu2 tls dialect.
18230 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18232 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18234 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18235 (ix86_init_machine_status): Initialize new field.
18236 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18237 (ix86_tls_module_base): New.
18238 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18239 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18240 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18241 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18242 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18243 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18244 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18245 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18246 * config/i386/predicates.md (tls_modbase_operand): New.
18247 (tp_or_register_operand): New.
18249 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18251 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18252 (look_for_address_of): Ditto.
18253 (ipa_init): Walk the function decls.
18254 (static_execute): Don't set readonly on FUNCTION_DECL's.
18256 2006-01-18 Roger Sayle <roger@eyesopen.com>
18258 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18259 for shifts where the source and destination registers are different.
18261 2006-01-18 Paul Brook <paul@codesourcery.com>
18263 Merge from csl-arm-branch.
18264 2005-03-14 Julian Brown <julian@codesourcery.com>
18265 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18266 (aeabi_llsl): Likewise.
18267 (ashrdi3): Likewise.
18268 (aeabi_lasr): Likewise.
18269 (lshrdi3): Likewise.
18270 (aeabi_llsr): Likewise.
18271 2005-03-10 Julian Brown <julian@codesourcery.com>
18272 * config.gcc: Disable shared libgcc for SymbianOS.
18273 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18275 2006-01-18 DJ Delorie <dj@redhat.com>
18277 * c-pragma.c (handle_pragma_diagnostic): New.
18278 (init_pragma): Register it.
18279 * doc/extend.texi: Document it.
18281 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18282 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18283 (diagnostic_context): Add classify_diagnostic[].
18284 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18285 as errors if they're overridden to DK_WARNING.
18286 (diagnostic_initialize): Initialize classify_diagnostic[].
18287 (diagnostic_set_kind_override): New.
18288 (diagnostic_report_diagnostic): Check for kind changes.
18289 * opts.c (common_handle_option): Take lang_mask. Update callers.
18290 Handle OPT_Werror_.
18291 * common.opt (Werror=): New.
18292 * doc/invoke.texi: Document -Werror=*
18294 2006-01-18 Jeff Law <law@redhat.com>
18296 * tree-vrp.c (test_for_singularity): Correct test for new
18297 min limit. Use operand_equal_p rather than pointer equality
18298 for testing if new min/max values are equal.
18300 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18301 using range information until after propagation and folding.
18303 2006-01-18 Richard Henderson <rth@redhat.com>
18304 Aldy Hernandez <aldyh@redhat.com>
18305 Jakub Jelinek <jakub@redhat.com>
18306 Diego Novillo <dnovillo@redhat.com>
18308 * omp-low.c: New file.
18309 * c-omp.c: New file.
18311 2006-01-18 Richard Henderson <rth@redhat.com>
18312 Jakub Jelinek <jakub@redhat.com>
18313 Diego Novillo <dnovillo@redhat.com>
18315 * doc/invoke.texi: Document -fopenmp.
18316 * tree-dump.h (debug_function): Declare.
18317 * hooks.c (hook_bool_tree_bool_false): New function.
18318 (hook_tree_tree_null): Remove.
18319 (hook_tree_tree_tree_null): New.
18320 * hooks.h: Update to match.
18321 * tree-pretty-print.c (debug_tree_chain): New.
18322 (print_generic_expr): Handle TDF_CHAIN.
18323 (dump_generic_node): Handle BLOCK.
18324 Do not abort with incomplete SWITCH_EXPRs.
18325 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18326 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18327 print space after directive name.
18328 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18329 Handle OMP_MASTER and OMP_ORDERED.
18330 Handle printing of OMP_BODY just in one place, goto
18331 dump_omp_body in the rest of OMP_* nodes that have
18333 Don't handle clause nodes here. Update omp statements to
18334 use dump_omp_clauses.
18335 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18336 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18337 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18338 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18339 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18340 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18341 Adjust output for GOMP_PARALLEL.
18342 (dump_omp_clauses): New.
18343 (print_declaration): Dump DECL_VALUE_EXPR.
18344 (op_symbol_1): Split out of op_symbol.
18345 (dumping_stmts): Remove. Update all users.
18346 * cgraph.c (cgraph_analyze_queue): New.
18347 (cgraph_add_new_function): New.
18348 * cgraph.h (cgraph_analyze_queue): Declare.
18349 (cgraph_add_new_function): Declare.
18350 (cgraph_lower_function): Remove.
18351 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18352 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18353 and TYPE_P nodes in its default clause.
18354 (empty_body_p): New.
18355 (tree_range_check_failed): New.
18356 (build5_stat): New.
18357 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18358 OMP_CLAUSE_REDUCTION_MERGE,
18359 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18360 OMP_CLAUSE_PRIVATE_DEBUG,
18361 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18362 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18363 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18364 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18365 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18366 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18367 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18368 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18369 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18370 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18371 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18372 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18373 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18374 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18375 (TREE_RANGE_CHECK): New.
18376 (empty_body_p): Declare.
18377 (enum omp_clause_default_kind): New.
18378 (build_string_literal): Declare.
18379 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18380 (build5_stat, build5): Declare.
18381 * tree-pass.h (TDF_CHAIN): Define.
18382 * tree-pass.h (PROP_gimple_lomp): Define.
18383 (pass_lower_omp): Declare.
18384 * diagnostic.h (debug_tree_chain): Declare.
18385 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18387 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18388 * builtins.c (build_string_literal): Make extern.
18389 * gcc.c (include_spec_function): New.
18390 (static_spec_functions): Add it.
18391 (main): Move load of libgomp.spec ...
18392 (LINK_COMMAND_SPEC): ... here.
18393 (link_gomp_spec): New.
18394 (static_specs): Include it.
18395 (LINK_COMMAND_SPEC): Add link_gomp.
18396 (GOMP_SELF_SPECS): New.
18397 (driver_self_specs): Include it.
18398 (switch_matches): Don't mark inline.
18399 (main): Load libgomp.spec.
18400 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18401 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18402 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18403 * tree-gimple.h (enum omp_parallel): Declare.
18404 (determine_parallel_type): Declare.
18405 (omp_firstprivatize_variable): Declare.
18406 (omp_reduction_init): Declare.
18407 (diagnose_omp_structured_block_errors): Declare.
18408 (struct walk_stmt_info): Add want_return_expr.
18409 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18410 (find_omp_clause): Declare.
18411 (insert_field_into_struct): Declare.
18412 (struct walk_stmt_info): Move from tree-nested.c
18413 (walk_stmts): Declare.
18414 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18416 * cgraphunit.c (cgraph_lower_function): Make static.
18417 (cgraph_finalize_pending_functions): New.
18418 (cgraph_finalize_function): Call it.
18419 (cgraph_finalize_compilation_unit): Likewise.
18420 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18421 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18422 (BT_FN_UINT_UINT): New.
18423 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18424 DEF_FUNCTION_TYPE_VAR_4): Document.
18425 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18426 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18427 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18428 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18429 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18430 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18431 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18432 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18433 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18434 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18435 into separate files.
18436 (DEF_GOMP_BUILTIN): New.
18437 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18438 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18439 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18440 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18441 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18442 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18443 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18444 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18445 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18446 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18447 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18448 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18449 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18450 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18451 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18452 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18453 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18454 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18455 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18456 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18457 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18458 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18459 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18460 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18461 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18462 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18463 * sync-builtins.def: New file, moved from builtins.def.
18464 * omp-builtins.def: New file, moved from builtins.def.
18465 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18466 * gimple-low.c (lower_function_body): Clear data.
18467 (lower_stmt): Do not handle COMPOUND_EXPR.
18468 Remove call to print_node_brief.
18469 * c-tree.h (c_finish_omp_clauses): New prototype.
18470 (C_DECL_THREADPRIVATE_P): Define.
18471 (lookup_name_no_remap, c_omp_remap_private): Remove
18472 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18473 (check_for_loop_decls): Update decl.
18474 (lookup_name_no_remap, c_omp_remap_private): Declare.
18475 (build_indirect_ref, build_modify_expr, pushdecl,
18476 pushdecl_top_level): Move to c-common.h.
18477 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18478 before the switch, but just in the 2 places that need it.
18479 * c-decl.c (diagnose_mismatched_decls): Do not check for
18480 mismatched thread-local attributes when OLDDECL is marked
18481 threadprivate and NEWDECL has no thread-local attributes.
18482 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18483 (c_gimple_diagnostics_recursively): Rename from
18484 c_warn_unused_result_recursively. Invoke
18485 diagnose_omp_structured_block_errors.
18486 (check_for_loop_decls): Return a singular decl found.
18487 * langhooks.c (lhd_omp_predetermined_sharing): Return
18488 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18489 (lhd_omp_firstprivatize_type_sizes): New.
18490 (lhd_omp_assignment): New.
18491 (lhd_omp_predetermined_sharing): New.
18492 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18493 (struct lang_hooks_for_types): Add
18494 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18495 omp_predetermined_sharing, omp_disregard_value_expr,
18496 omp_private_debug_clause, omp_clause_default_ctor,
18497 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18498 (c_finish_omp_clauses): New.
18499 (c_finish_bc_stmt): Diagnose break within omp for.
18500 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18501 (build_unary_op): Return error_mark after reporting
18503 (build_modify_expr): Likewise.
18504 * gimplify.c: Include optabs.h and pointer-set.h.
18505 (enum gimplify_omp_var_data): Declare.
18506 (struct gimplify_omp_ctx): Declare.
18507 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18509 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18510 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18511 (splay_tree_compare_decl_uid): New.
18512 (new_omp_context): New.
18513 (delete_omp_context): New.
18514 (gimple_add_tmp_var): Call omp_add_variable.
18515 (gimplify_bind_expr): Likewise.
18516 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18517 true, disregard DECL_VALUE_EXPR on the decl if any.
18518 (gimplify_expr_in_ctx): New.
18519 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18520 omp_add_variable, omp_notice_variable, omp_is_private
18521 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18522 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18523 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18524 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18525 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18526 gimplify_omp_atomic): New.
18527 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18528 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18529 OMP_CRITICAL and OMP_ATOMIC.
18530 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18531 * c-pragma.h (enum pragma_kind): Add
18532 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18533 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18534 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18535 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18536 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18537 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18538 PRAGMA_OMP_THREADPRIVATE.
18539 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18540 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18541 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18542 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18543 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18544 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18545 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18546 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18547 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18548 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18549 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18550 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18551 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18553 (struct nesting_info): Add field_map,
18554 suppress_expansion, debug_var_chain.
18555 (create_nesting_tree): Initialize them.
18556 (lookup_field_for_decl): Use field_map.
18557 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18558 (convert_local_omp_clauses): New.
18559 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18560 (walk_body): Split out of walk_function.
18561 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18562 (convert_nonlocal_reference): Handle omp statements.
18563 (convert_local_reference): Likewise.
18564 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18565 (unnest_nesting_tree): New.
18566 (lower_nested_functions): Call it.
18567 (insert_field_into_struct): Make extern.
18568 (struct walk_stmt_info): Move to tree-gimple.h.
18569 (walk_stmts): Make extern.
18570 * omp-builtins.def: New file.
18571 * tree-iterator.c (expr_only): Clarify comment.
18572 * c-common.h (pushdecl_top_level, pushdecl,
18573 build_modify_expr, build_indirect_ref,
18574 c_finish_omp_master, c_finish_omp_critical,
18575 c_finish_omp_ordered, c_finish_omp_barrier,
18576 c_finish_omp_atomic, c_finish_omp_flush,
18577 c_finish_omp_for, c_split_parallel_clauses,
18578 omp_clause_default_kind, c_omp_sharing_predetermined,
18579 c_omp_remap_decl): Declare.
18580 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18581 (OBJS-common): Add omp-low.o.
18582 (c-omp.o, omp-low.o): Add.
18583 (gimplify.o): Add dependency on $(OPTABS_H).
18584 (GTFILES): Add omp-low.c.
18585 (gt-stringpool.h): Add.
18586 * tree-cfg.c (set_bb_for_stmt): Do not update the
18587 block-to-labels map if we are currently expanding to RTL.
18588 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18590 Handle IDENTIFIER_NODE.
18591 (tree_verify_flow_info): Do not ICE when emitting error
18592 messages about invalid labels.
18593 (dump_function_to_file): Reset CFUN before emitting the body
18595 (debug_function): New.
18596 * passes.c (init_optimization_passes): Schedule
18598 * langhooks-def.h (lhd_omp_predetermined_sharing,
18599 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18601 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18602 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18603 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18604 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18605 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18606 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18607 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18608 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18609 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18610 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18611 (LANG_HOOK_DECLS): Use them.
18613 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18614 Richard Henderson <rth@redhat.com>
18615 Jakub Jelinek <jakub@redhat.com>
18616 Diego Novillo <dnovillo@redhat.com>
18618 * c-parser.c (pragma_omp_clause): Define.
18619 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18620 (c_parser_compound_statement): Likewise.
18621 (c_parser_statement): Likewise.
18622 (c_parser_pragma): Handle omp pragmas.
18623 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18624 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18625 (c_parser_omp_clause_name, check_no_duplicate_clause,
18626 c_parser_omp_variable_list,
18627 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18628 c_parser_omp_clause_copyprivate,
18629 c_parser_omp_clause_default,
18630 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18631 c_parser_omp_clause_lastprivate,
18632 c_parser_omp_clause_nowait,
18633 c_parser_omp_clause_num_threads,
18634 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18635 c_parser_omp_clause_reduction,
18636 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18637 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18638 c_parser_omp_atomic, c_parser_omp_barrier,
18639 c_parser_omp_critical, c_parser_omp_flush,
18640 c_parser_omp_for_loop, c_parser_omp_for,
18641 c_parser_omp_master, c_parser_omp_ordered,
18642 c_parser_omp_sections_scope, c_parser_omp_sections,
18643 c_parser_omp_parallel, c_parser_omp_single,
18644 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18645 * c-pragma.c (init_pragma): Do omp pragma registration here.
18646 * c.opt (fopenmp): New flag.
18648 2006-01-18 Eric Christopher <echristo@apple.com>
18650 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18651 * config/darwin.h (GOMP_SELF_SPECS): Define.
18653 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18655 * rtl.h: Remove the prototype for reg_alloc.
18657 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18660 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18661 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18662 sjlj and dwarf2 exception handling.
18663 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18664 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18665 * pa/pa.c (function_value): Treat complex and vector types as
18667 (function_arg): Likewise. Only pass scalar floats in the floating
18668 point argument registers.
18669 * pa/t-slibgcc-dwarf-ver: New file.
18670 * pa/t-slibgcc-sjlj-ver: New file.
18671 * pa/t-slibgcc-elf-ver: Delete file.
18673 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18675 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18676 unlikely_test_section_p test.
18678 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18680 * mode-switching.c (optimize_mode_switching): Make it static.
18681 * basic-block.h: Remove the prototype for
18682 optimize_mode_switching.
18684 * modulo-sched.c (sms_schedule): Make it static.
18685 * rtl.h: Remove the prototype for sms_schedule.
18687 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18688 * rtl.h: Remove the prototype for gcse_after_reload_main.
18690 * reg-stack.c (reg_to_stack): Make it static.
18691 * rtl.h: Remove the prototype for reg_to_stack.
18693 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18695 * rtl.h: Remove the prototypes for regrename_optimize and
18696 copyprop_hardreg_forward.
18698 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18700 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18701 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18702 Test against the appropriate null constant for the mode.
18703 If 'fixup_overlap' is true, swap the operands if they overlap.
18704 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18705 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18706 alpha_split_tmode_pair and adjust for above change.
18707 * config/alpha/alpha.md (movtf_internal): Adjust call to
18708 alpha_split_tfmode_pair and rely on it to swap the operands.
18709 (movti_internal): New insn and post-reload splitter.
18710 (movti): New expander.
18712 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18714 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18717 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18719 * rtlanal.c (global_reg_mentioned_p_1,
18720 global_reg_mentioned_p): Remove.
18721 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18723 * flow.c (initialize_uninitialized_subregs): Make it static.
18724 * rtl.h: Remove the prototype for
18725 initialize_uninitialized_subregs.
18727 * function.c (instantiate_virtual_regs): Make it static.
18728 * function.h: Remove the prototype for
18729 instantiate_virtual_regs.
18731 * regmove.c (regmove_optimize, combine_stack_adjustments):
18733 * rtl.h: Remove the prototypes for regmove_optimize and
18734 combine_stack_adjustments.
18736 2006-01-17 Roger Sayle <roger@eyesopen.com>
18738 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18739 (size_cost): Encode costs in bytes so that a reg-reg addition is
18740 equivalent to COSTS_N_INSNS(1).
18741 (override_options): Use the size_cost.branch_cost as the default
18742 ix86_branch_cost when optimizing for size.
18744 2006-01-18 Ben Elliston <bje@au.ibm.com>
18746 * Makefile.in (D32PBIT_FUNCS): New.
18747 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18748 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18749 D64PBIT_FUNCS and D128PBIT_FUNCS.
18750 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18751 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18753 (decnumber_dep): Define.
18754 * doc/libgcc.texi (Decimal float library routines): New node.
18755 * config/dfp-bit.h, config/dfp-bit.c: New files.
18757 2006-01-18 Ben Elliston <bje@au.ibm.com>
18759 * expr.c (emit_move_change_mode): Always adjust addresses, not
18760 just during reload. Copy replacements only during reload.
18761 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18762 emit_move_via_integer.
18764 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18766 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18767 instead of $(srcdir) and ${srcdir}.
18769 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18772 PR middle-end/11135
18773 * arm.h (struct machine_function): Add pic_reg.
18774 * arm.c (arm_pic_register): Make unsigned.
18775 (arm_override_options): Only set arm_pic_register if
18776 TARGET_SINGLE_PIC_BASE.
18777 (use_return_insn): Only test for a pic register if it is fixed.
18778 (arm_compute_save_reg0_reg12_mask): Likewise.
18779 (thumb_compute_save_reg_mask): Likewise.
18780 (legitimate_pic_operand): Factor out some known invariants.
18781 (legitimize_pic_address): If we don't have a fixed pic register,
18782 then set up a pseudo in the function entry sequence. Handle the
18783 pic base being in a pseudo.
18784 (arm_load_pic_register): Handle the pic register being in a pseudo.
18785 (arm_expand_prologue): Only set up the pic register if it is fixed.
18786 (thumb_expand_prologue): Likewise.
18787 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18788 (pic_load_addr_based_insn): Likewise.
18789 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18792 2006-01-18 Ben Elliston <bje@au.ibm.com>
18794 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18795 decimal float modes for all floating point registers.
18797 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18798 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18800 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18803 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18804 even when the pointer is not NULL.
18806 2006-01-16 Ian Lance Taylor <ian@airs.com>
18808 * common.opt (ftoplevel-reorder): New option.
18809 * cgraph.c (cgraph_asm_nodes): New global variable.
18810 (cgraph_asm_last_node): New static variable.
18811 (cgraph_order): New global variable.
18812 (cgraph_create_node): Set new order field.
18813 (cgraph_varpool_node): Likewise.
18814 (decide_is_variable_needed): Return true if not
18815 flag_toplevel_reorder.
18816 (cgraph_add_asm_node): New function.
18817 * cgraph.h (struct cgraph_node): Add order field.
18818 (struct cgraph_varpool_node): Add order field.
18819 (struct cgraph_asm_node): Define.
18820 (cgraph_asm_nodes, cgraph_order): Declare.
18821 (cgraph_add_asm_node): Declare.
18822 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18824 (cgraph_varpool_assemble_pending_decls): Call it.
18825 (cgraph_output_pending_asms): New static function.
18826 (cgraph_finalize_compilation_unit): Call it.
18827 (struct cgraph_order_sort): Define.
18828 (cgraph_output_in_order): New static function.
18829 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18830 !flag_toplevel_reorder case.
18831 * c-parser.c: Include "cgraph.h".
18832 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18834 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18835 than -fno-unit-at-a-time.
18836 * doc/invoke.texi (Option Summary): Mention
18837 -fno-toplevel-reorder.
18838 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18839 -funit-at-a-time documentation.
18841 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18842 Kazu Hirata <kazu@codesourcery.com>
18844 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18846 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18848 * Makefile.in (FUNCTION_H): New. Use it instead of
18849 function.h throughout the file.
18850 * function.h: Include tree.h.
18852 2006-01-17 Ben Elliston <bje@au.ibm.com>
18854 * recog.c: Separate some functions with whitespace.
18856 2006-01-16 Richard Henderson <rth@redhat.com>
18858 Merge from gomp branch:
18859 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18860 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18861 and rename from struct inline_data. Rename callee* to dst*;
18862 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18863 transform_new_cfg, transform_return_to_modify, and
18864 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18866 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18867 (copy_decl_for_dup): Remove.
18868 * tree-inline.c (struct inline_data): Move to header.
18869 (insert_decl_map): Export.
18870 (remap_decl): Update for member name changes. Use copy_decl hook.
18871 Allow for replacement to be a non-decl. Remove dead code.
18872 (remap_type_1): Check for existing mapping.
18873 (remap_type): Export.
18874 (remap_decls): Update for member name changes.
18875 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18876 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18877 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18878 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18879 (tree_function_versioning, build_duplicate_type): Likewise.
18880 (copy_body_r): Likewise. Export.
18881 (copy_decl_for_dup): Split into ...
18882 (copy_decl_for_dup_finish, copy_decl_to_var,
18883 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18884 (replace_ref_tree, inlining_p): Remove.
18886 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18888 * ifcvt.c (if_convert): Make it static.
18889 * rtl.h: Remove the prototype for if_convert.
18891 * local-alloc.c (local_alloc): Make it static.
18892 * rtl.h: Remove the prototype for local_alloc.
18894 * loop.c (loop_optimize): Make it static.
18895 * cfgloop.h: Remove the prototype for loop_optimize.
18898 2006-01-16 DJ Delorie <dj@redhat.com>
18900 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18903 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18905 * pa.md: Disparage copies between general and floating-point registers
18906 in 32-bit move patterns.
18908 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18911 * Makefile.in (check-%): Depend on site.exp instead of
18912 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18915 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18917 * global.c (global_alloc): Make it static.
18918 * rtl.h: Remove the prototype for global_alloc.
18920 2006-01-16 Richard Guenther <rguenther@suse.de>
18922 * tree-ssa-alias.c (struct used_part): Add write_only field.
18923 (get_or_create_used_part_for): Initialize it to true.
18924 (create_overlap_variables_for): Don't create structure variables
18925 for structures that only are written to.
18926 (find_used_portions): Handle MODIFY_EXPR to track whether a
18927 structure is only written to.
18929 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18931 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18933 * basic-block.h: Remove the prototype for
18934 partition_hot_cold_basic_blocks.
18936 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18938 * cppspec.c (lang_specific_spec_functions): Remove.
18939 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18940 * gcc.h (lang_specific_spec_functions): Remove.
18941 * gccspec.c (lang_specific_spec_functions): Remove.
18943 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18945 * combine.c (record_value_for_reg): Invalidate registers
18947 (record_dead_and_set_regs_1): Likewise, by passing them to
18948 record_value_for_reg.
18949 (record_dead_and_set_regs): Invalidate stores made by a
18950 call. We do not combine across a call, but we still
18951 relied on equivalences.
18953 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18955 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18956 vrp_int_const_binop returning non-constant nodes.
18958 2006-01-16 Paul Brook <paul@codesourcery.com>
18960 * config/m68k/m68k.c (output_move_const_into_data_reg):
18961 Output correct mnemonic for mvz and mvs.
18963 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18965 * rtl-factoring.c: Add sequence abstraction algorithm.
18966 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18967 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18969 (block_has_preserve_label): New function.
18970 * common.opt: Register new pass.
18971 * Makefile.in: Ditto.
18973 * timevar.def: Ditto.
18974 * tree-pass.h: Ditto.
18975 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18976 * rtl.h (make_jump_insn_raw): Add forward decl.
18977 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18979 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18980 Roger Sayle <roger@eyesopen.com>
18982 * fold-const.c (fold_minmax): New static function.
18983 (fold_binary) <MIN_EXPR>: Call it.
18984 <MAX_EXPR>: Likewise.
18985 * stor-layout.c (place_field): Use DECL_SIZE consistently
18986 in the computation of the new record size.
18988 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18990 * cse.c (cse_condition_code_reg): Make it static.
18991 * rtl.h: Remove the prototype for cse_condition_code_reg.
18993 * combine.c (combine_instructions): Make it static.
18994 * rtl.h: Remove the prototype for combine_instructions.
18996 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18999 * tree.c (get_file_function_name_long): Concatenate the first global
19000 object name with a string derived from the input filename of the object
19003 2006-01-16 Ben Elliston <bje@au.ibm.com>
19005 * config/i386/winnt-stubs.c: Update FSF address.
19006 * config/xtensa/ieee754-df.S: Ditto.
19007 * config/xtensa/ieee754-sf.S: Ditto.
19009 2006-01-14 Ian Lance Taylor <ian@airs.com>
19011 * ifcvt.c (noce_init_if_info): New static function, broken out of
19012 noce_process_if_block.
19013 (noce_process_if_block): Call noce_init_if_info.
19014 (check_cond_move_block): New static function.
19015 (cond_move_process_if_block): New static function.
19016 (process_if_block): Call cond_move_process_if_block.
19018 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19020 * cselib.c (hash_table): Rename to cselib_hash_table.
19021 (cselib_clear_table, discard_useless_values,
19022 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19023 cselib_init, cselib_finish): Adjust uses of hash_table.
19025 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19027 PR tree-optimization/25485
19028 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19029 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19030 is known to be false and true, respectively.
19032 2006-01-14 Richard Guenther <rguenther@suse.de>
19034 PR tree-optimization/22548
19035 PR tree-optimization/22555
19036 PR tree-optimization/22501
19037 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19038 * params.def (salias-max-array-elements): New parameter.
19039 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19040 * doc/invoke.texi (salias-max-array-elements): Document.
19041 * tree-flow-inline.h (var_can_have_subvars): We also handle
19043 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19045 * tree-ssa-structalias.c (params.h): Include.
19046 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19047 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19048 (get_constraint_for): For ADDR_EXPR operating on something
19049 containing an ARRAY_REF, add all subvars to the solution.
19050 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19051 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19052 for creating MUST_DEFs.
19053 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19055 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19057 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19059 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19060 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19061 number_of_iterations_le): New functions.
19062 (number_of_iterations_special): Removed.
19063 (number_of_iterations_exit): Do not use number_of_iterations_special.
19064 * tree.c (unsigned_type_for): Always return integer type.
19066 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19067 Richard Guenther <rguenther@suse.de>
19069 PR rtl-optimization/24257
19070 * gcse.c (find_moveable_store): Only consider a store movable
19071 when the SET_SRC of the insn can be assigned to a register.
19073 2006-01-14 Ian Lance Taylor <ian@airs.com>
19075 * tree.c (tree_not_class_check_failed): New function.
19076 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19077 (tree_not_class_check_failed): Declare.
19079 2006-01-13 Ian Lance Taylor <ian@airs.com>
19081 * reload1.c (do_output_reload): Add assertion rejecting a
19084 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19086 * combine.c (struct reg_stat): Add new fields truncation_label and
19088 (record_value_for_reg): Reset truncated_to_mode.
19089 (record_truncated_value): New function.
19090 (check_promoted_subreg): Call it. Rename to check_conversions.
19091 (combine_instructions): Rename check_promoted_subreg to
19093 (reg_truncated_to_mode): New function.
19094 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19095 (gen_lowpart_or_truncate): New function.
19096 (force_to_mode): Use it instead of gen_lowpart.
19098 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19100 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19101 VAR is a tag, not its type tag.
19103 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19105 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19106 alternatives to match style of other entries.
19107 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19109 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19111 PR tree-optimization/25771
19112 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19115 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19118 * tree-inline.c (declare_return_variable): If the return variable
19119 was marked as a non gimple complex, set the return slot variable
19120 to be a non gimple comple variable.
19122 2006-01-13 Richard Guenther <rguenther@suse.de>
19124 * builtins.c (expand_builtin_sincos): New function.
19125 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19127 (expand_builtin): Expand sincos using expand_builtin_sincos.
19129 2006-01-12 DJ Delorie <dj@redhat.com>
19131 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19132 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19133 so that constant shifts can be split.
19134 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19135 (m32c_valid_pointer_mode): Make static.
19136 (shift_gen_func_for): New.
19137 (m32c_prepare_shift): Use it. Split large const shifts into
19139 * config/m32c/predicates.md (shiftcount_operand): Allow more
19141 (longshiftcount_operand): New.
19142 * doc/md.texi (Machine Constraints): Document In6.
19144 2006-01-13 Ben Elliston <bje@au.ibm.com>
19146 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19147 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19150 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19152 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19153 to try to avoid clobbering pieces of structures when we know
19154 something about the whole structure.
19155 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19157 2006-01-13 Ben Elliston <bje@au.ibm.com>
19159 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19160 return in memory, as this is no limitation is no longer present.
19162 2006-01-12 DJ Delorie <dj@redhat.com>
19164 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19165 mova with fb, and for fb+0 -> An.
19167 * config/m32c/mov.md (peephole2): Fix enabling logic.
19169 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19170 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19171 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19172 FINI_ARRAY_SECTION_ASM_OP): Define.
19174 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19176 (m32c_legitimize_reload_address): New logic to reload FB to An.
19177 (m32c_output_reg_push): Add newline.
19178 (m32c_output_reg_pop): Likewise.
19180 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19182 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19184 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19186 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19188 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19190 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19193 2006-01-11 Ben Elliston <bje@au.ibm.com>
19195 * rtlanal.c (find_reg_note): Assert insn is not null.
19197 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19199 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19202 2006-01-11 Jeff Law <law@redhat.com>
19204 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19206 (mark_threaded_blocks, register_jump_thread): New functions.
19207 (thread_through_all_blocks): Remove unwanted argument. No
19208 longer rely on e->aux to communicate thread target info.
19209 Call mark_threaded_blocks. Release the threaded_blocks
19210 bitmap and threaded_edges vector when complete.
19211 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19212 (threaded_blocks): Remove.
19213 (tree_ssa_dominator_optimize): Remove initialization and
19214 finalization of threaded_blocks. Simplify call to
19215 thread_through_all_blocks.
19216 (thread_across_edge): Call register_jump_thread rather than
19217 storing thread information into e->aux.
19218 (free_all_edge_infos): Simplify now that e->aux is no longer
19219 used to communicate with thread_through_all_blocks.
19220 * tree-flow.h (thread_through_all_blocks): Update prototype.
19221 (register_jump_thread): Prototype.
19223 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19225 * df-core.c (df_compact_blocks, df_bb_replace): Use
19226 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19228 2006-01-11 Richard Guenther <rguenther@suse.de>
19230 PR tree-optimization/25734
19231 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19232 stop propagation after successful propagation to the LHS.
19234 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19236 * basic-block.h (control_flow_graph): Change the type of
19237 x_basic_block_info to VEC(basic_block,gc) *.
19238 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19240 (SET_BASIC_BLOCK): New.
19241 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19242 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19243 * cfgbuild.c (find_basic_blocks): Likewise.
19244 * cfglayout.c (fixup_reorder_chain): Likewise.
19245 * cfgrtl.c (create_basic_block_structure,
19246 rtl_create_basic_block): Likewise.
19247 * ifcvt.c (find_if_case_1): Likewise.
19248 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19251 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19253 * Makefile.in: Removed rotted odf.c entry.
19255 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19258 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19259 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19260 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19261 output pattern modifier, not %e.
19262 * config/cris/cris.c (cris_op_str): Update comment about pattern
19264 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19265 before falling through into...
19266 <case 'E'>: Redefined from old 'e' case.
19268 2006-01-11 Jan Hubicka <jh@suse.cz>
19271 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19273 2006-01-11 Jan Hubicka <jh@suse.cz>
19275 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19276 * i386.c (x86_decompose_lea): Kill.
19277 (ix86_rtx_costs): Kill.
19279 2006-01-11 Jan Hubicka <jh@suse.cz>
19281 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19282 * cgraph.h (cgraph_node): Add inline_decl.
19283 (cgraph_insert_node_to_hashtable): Declare.
19284 (save_inline_function_body): Declare.
19285 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19287 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19288 (cgraph_function_versioning): Update call of tree_function_versioning.
19289 (save_inline_function_body): New function.
19290 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19291 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19292 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19293 (cgraph_default_inline_p): Likewise.
19294 (cgraph_decide_inlining_incrementally): Likewise.
19295 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19296 (copy_bb): Kill saving; do updating of clones.
19297 (copy_cfg_body): Kill saving.
19298 (initialize_inlined-parameters): Likewise.
19299 (expand_call_inline): Likewise.
19301 (tree_function_versioning): New parameter "update_clones".
19302 (inlining_p): Kill saving.
19303 * tree-inline.h (tree_function_versioning): Update prototype.
19304 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19307 2006-01-11 Ian Lance Taylor <ian@airs.com>
19309 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19310 Allow undoing set of machine mode.
19311 (do_SUBST): Use enums instead of is_int.
19312 (do_SUBST_MODE): New function.
19313 (SUBST_MODE): New macro.
19314 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19315 reg and trying to replace reg_regno_rtx with a new register.
19316 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19317 (simplify_set): Use SUBST_MODE.
19318 (distribute_notes): Remove code that tried to update reg notes
19319 for regno_reg_rtx changes.
19321 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19323 PR tree-optimization/23109
19324 PR tree-optimization/23948
19325 PR tree-optimization/24123
19327 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19328 * tree-cfg.c (single_noncomplex_succ): New.
19329 * tree-flow.h (single_noncomplex_succ): Declare it.
19330 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19331 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19332 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19333 insert_bb, register_division_in, insert_reciprocals,
19334 replace_reciprocal, free_bb): New.
19335 (execute_cse_reciprocals_1): Rewritten.
19336 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19337 Do not commit any edge insertion. Always compute dominators and
19338 create the allocation pool.
19339 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19340 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19341 * targhooks.c (default_min_divistions_for_recip_mul): New.
19342 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19343 * passes.c (init_optimization_passes): Run recip after tree loop
19345 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19347 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19348 Kenneth Zadeck <zadeck@naturalbridge.com>
19350 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19351 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19352 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19353 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19354 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19355 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19356 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19357 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19358 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19359 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19360 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19361 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19362 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19363 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19364 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19365 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19366 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19367 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19368 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19369 DF_SCAN_POST_ALLOC): New macros.
19370 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19371 df_free_bb_function, df_local_compute_function, df_init_function,
19372 df_dataflow_function, df_confluence_function_0,
19373 df_confluence_function_n, df_transfer_function,
19374 df_finalizer_function, df_free_function, df_dump_problem_function,
19375 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19376 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19377 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19378 df_urec_bb_info, ) New types.
19379 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19381 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19382 df_analyze_simple_change_some_blocks,
19383 df_analyze_simple_change_one_block, df_compact_blocks,
19384 df_bb_replace, df_bb_regno_last_use_find,
19385 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19386 df_insn_regno_def_p, df_find_def, df_find_use,
19387 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19388 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19389 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19390 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19391 debug_df_chain, df_get_dependent_problem, df_chain_create,
19392 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19393 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19394 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19395 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19396 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19397 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19398 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19399 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19400 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19401 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19402 df_reorganize_refs, df_set_state, df_hard_reg_init,
19403 df_read_modify_subreg_p) New public functions.
19404 * df-core.c: The core dataflow solver and glue routines for rtl
19406 (df_init, df_add_problem, df_set_blocks, df_finish,
19407 df_hybrid_search_forward, df_hybrid_search_backward,
19408 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19409 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19410 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19411 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19412 df_reg_defined, df_find_use, df_reg_used, df_dump,
19413 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19414 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19415 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19416 debug_df_useno, reset_df_after_reload): New functions.
19417 * df-scan.c: The scanning fuctions, once in df.c, completely
19418 rewritten so that they now fully model the functionality of
19419 register usage at the backend.
19420 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19421 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19422 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19423 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19424 df_get_artificial_defs, df_get_artificial_uses,
19425 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19426 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19427 df_refs_delete, df_reorganize_refs, df_set_state,
19428 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19429 df_def_record_1, df_defs_record, df_uses_record,
19430 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19431 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19432 df_record_exit_block_uses, df_hard_reg_init): New functions.
19434 * df-problems.c: Seven concrete dataflow problems that use the
19435 scanning in df-scan.c and are solved by the engine in df-core.c.
19436 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19437 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19438 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19439 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19440 df_ru_free_bb_info, df_ru_alloc,
19441 df_ru_bb_local_compute_process_def,
19442 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19443 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19444 df_ru_transfer_function, df_ru_free, df_ru_dump,
19445 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19446 df_rd_free_bb_info, df_rd_alloc,
19447 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19448 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19449 df_rd_transfer_function, df_rd_free, df_rd_dump,
19450 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19451 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19452 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19453 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19454 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19455 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19456 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19457 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19458 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19459 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19460 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19461 df_urec_mark_reg_use_for_earlyclobber,
19462 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19463 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19464 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19465 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19466 df_chain_create_bb_process_use, df_chain_create_bb,
19467 df_chain_finalize, df_chain_free, df_chains_dump,
19468 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19469 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19470 df_reg_lifetime): New functions.
19471 * df.c: Deleted file.
19472 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19473 consistent with new df api.
19474 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19475 rest_of_handle_sms): Ditto.
19476 * web.c (unionfind_union, union_defs, entry_register, web_main):
19478 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19479 invariant_expr_equal_p, find_defs, check_dependencies,
19480 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19481 free_inv_motion_data, move_loop_invariants): Ditto.
19482 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19483 Update dependencies.
19484 (odf.c): Added defective entry that was deleted later in day.
19485 * sched-deps.c (sched_analyze_1): Ditto.
19487 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19489 * tree-ssa-operands.c (get_expr_operands): Record addressable
19490 variables directly. Do not call add_stmt_operands for CONST_DECLs
19492 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19493 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19495 2006-01-11 Ben Elliston <bje@au.ibm.com>
19497 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19498 function returns true in the positive case.
19500 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19503 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19504 for SI, DI, SF and DF modes. Add alternatives to copy between
19505 general and floating point registers to the 32-bit patterns.
19506 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19507 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19508 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19509 generating 64-bit code.
19510 * config/pa/pa.c (output_move_double): Handle copies between general
19511 and floating registers.
19513 2006-01-10 Stuart Hastings <stuart@apple.com>
19515 * config/i386/i386.md (set_got): Update.
19516 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19517 (builtin_setjmp_receiver): Mach-O support.
19518 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19519 (GOT_SYMBOL_NAME): Define.
19520 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19521 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19522 * config/i386/i386.c (override_options): Revise for Darwin.
19523 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19524 support. (darwin_x86_file_end): New. (output_set_got): Add label
19525 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19526 * config/i386/i386-protos.h (output_set_got): Likewise.
19527 * config/darwin.c (machopic_legitimize_pic_address): Update
19530 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19532 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19533 when MODE isn't BLKmode.
19535 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19537 PR rtl-optimization/25367
19538 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19540 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19543 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19544 for a negative bound.
19546 2006-01-10 Richard Guenther <rguenther@suse.de>
19548 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19549 Never override with anything constraint.
19551 2006-01-10 Jan Beulich <jbeulich@novell.com>
19553 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19554 256 bits when optimize_size.
19556 2006-01-10 Jan Beulich <jbeulich@novell.com>
19558 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19560 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19561 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19564 2006-01-10 Ben Elliston <bje@au.ibm.com>
19566 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19568 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19569 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19570 (USE_FP_FOR_ARG): Reject decimal float modes.
19571 (function_arg_advance): Likewise.
19572 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19573 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19574 point types in AltiVec vectors.
19575 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19576 (rs6000_libcall_value): Likewise.
19578 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19580 * config/xtensa/ieee754-df.S: New file.
19581 * config/xtensa/ieee754-sf.S: New file.
19582 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19583 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19584 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19586 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19588 * config/sh/predicates.md (binary_float_operator,
19589 binary_logical_operator, commutative_float_operator,
19590 equality_comparison_operator, greater_comparison_operator,
19591 less_comparison_operator, logical_operator,
19592 noncommutative_float_operator, shift_operator,
19593 symbol_ref_operand, unary_float_operator): Remove redundant
19596 2006-01-09 Jeff Law <law@redhat.com>
19598 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19599 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19600 now unused arguments. Callers updated.
19601 (eliminate_redundant_computations): Remove now unused arguments,
19603 (local_fold): Remove, no longer used.
19604 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19606 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19607 (simplify_cond): New function.
19608 (forward_propagate_into_cond): Call simplify_cond.
19610 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19612 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19613 (*vec_extractv2di_1_sse): New.
19615 2006-01-09 Ben Elliston <bje@au.ibm.com>
19617 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19619 2006-01-08 Richard Guenther <rguenther@suse.de>
19621 * tree-ssa-structalias.c (get_constraint_for): Remove
19622 anyoffset argument.
19623 (get_constraint_for_component_ref): Likewise.
19624 (do_deref): Likewise.
19625 (get_constraint_for): Likewise.
19626 (do_structure_copy): Likewise.
19627 (handle_ptr_arith): Likewise.
19628 (find_func_aliases): Likewise. Remove unused need_anyoffset
19631 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19632 Kaz Kojima <kkojima@gcc.gnu.org>
19634 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19635 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19636 (EXTRA_CONSTRAINT_C16): Remove.
19637 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19638 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19639 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19640 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19641 constants of SHmedia. Handle nested constant expressions of
19643 (andcosts): Fix the costs for SHmedia constants.
19644 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19645 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19646 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19647 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19648 (movv4hi_i, movv2si_i): Likewise.
19649 (movsi_const): Adjust the second operand of ior so to match with
19650 the Csu constraint.
19651 (movdi_const, movdi_const_32bit): Likewise.
19652 (movdi_const_16bit+1): Don't sign-extend LOW.
19653 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19655 (*double_shori): Fix the split condition. Use GEN_INT instead
19656 of get_int_mode calls. Mask lower 16-bit of the argument of
19658 (sym2GOTPLT): Remove.
19659 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19661 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19662 instead of EXTRA_CONSTRAINT_C16.
19664 2006-01-07 Ian Lance Taylor <ian@airs.com>
19665 David Edelsohn <edelsohn@gnu.org>
19667 PR rtl-optimization/25662
19668 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19669 for constant operands instead of simplify_gen_binary.
19670 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19671 after trying simplify_binary_operation
19673 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19675 * tree.c (iterative_hash_expr): Hash decls based on UID.
19677 2006-01-06 Eric Christopher <echristo@apple.com>
19679 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19680 (TARGET_UNWIND_EMIT): Fix spelling.
19681 * target.h (gcc_target): Add except_table_label.
19682 * except.c (output_function_exception_table): Use.
19683 * varasm.c (default_emit_except_table_label): New.
19684 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19686 (asm_out): Add here.
19687 * output.h (default_emit_except_table_label): Prototype.
19688 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19689 * config/darwin.c (darwin_emit_except_table_label): Define.
19690 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19692 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19694 PR tree-optimization/18527
19695 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19696 number_of_iterations_special, number_of_iterations_exit):
19697 Move base and step of an iv to a single structure. Add
19698 no_overflow flag, and use it in # of iterations analysis.
19699 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19700 folded_casts argument.
19701 (simple_iv): Pass base and step in a structure. Set no_overflow
19703 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19704 Evaluate expensiveness of computing # of iterations instead of
19705 the final expression.
19706 * tree-scalar-evolution.h (affine_iv): New structure.
19707 (simple_iv): Declaration changed.
19708 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19709 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19710 find_givs_in_stmt): Changed due to simple_iv change.
19712 2006-01-06 Jeff Law <law@redhat.com>
19715 * tree-cfg.c (bsi_replace): Rename final argument from
19716 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19717 change (stmt -> orig_stmt).
19718 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19719 (bsi_remove): Add new argument. Remove EH information
19721 (verify_eh_throw_table_statements): New function.
19722 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19724 * tree-optimize.c (execute_free_cfg_annotations): Verify
19725 the EH throw statement table after removing annotations.
19726 * except.h (verify_eh_throw_table_statements): Prototype.
19727 * tree-flow.h (bsi_remove): Update prototype.
19728 * tree-vrp.c (remove_range_assertions): Add new argument to
19730 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19731 * tree-complex.c (expand_complex_div_wide): Likewise.
19732 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19733 * tree-tailcall.c (eliminate_tailcall): Likewise.
19734 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19735 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19736 * tree-nrv.c (tree_nrv): Likewise.
19737 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19738 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19739 (combine_blocks): Likewise.
19740 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19741 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19742 (cleanup_control_flow): Likewise.
19743 (remove_forwarder_block): Likewise.
19744 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19745 * tree-sra.c (sra_replace): Likewise.
19746 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19747 (forward_propagate_single_use_vars): Likewise.
19748 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19749 * tree-inline.c (expand_call_inline): Likewise.
19750 * tree-vect-transform.c (vect_transform_loop): Likewise.
19751 * tree-outof-ssa.c (rewrite_trees): Likewise.
19752 * tree-cfg.c (make_goto_expr_edges): Likewise.
19753 (cleanup_dead_labels): Likewise.
19754 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19755 (bsi_move_before, bsi_move_after): Likewise.
19756 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19757 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19759 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19762 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19764 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19765 on non gimple variables. Also add checks at the top for decls and
19767 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19769 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19770 and IMAGPART_EXPR for creating MUST_DEFs.
19771 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19772 and NAME_MEMORY_TAG separately from the DECLs.
19774 2006-01-06 Richard Guenther <rguenther@suse.de>
19776 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19777 annotation, if necessary.
19778 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19779 redundant calls to update_stmt.
19780 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19783 2006-01-05 Richard Henderson <rth@redhat.com>
19785 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19787 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19789 * c-typeck.c: Update copyright date.
19791 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19793 * c-typeck.c (build_c_cast): Always warn when casting
19794 from a pointer to an integer of different size, even if
19795 the node was constant.
19797 2006-01-05 Richard Guenther <rguenther@suse.de>
19799 PR tree-optimization/22555
19800 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19801 if one structure field is an array.
19802 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19803 operands even if we found a subvar, but ignore VOPs in this
19805 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19807 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19809 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19811 PR middle-end/24998
19812 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19814 2006-01-05 Richard Guenther <rguenther@suse.de>
19815 Diego Novillo <dnovillo@redhat.com>
19817 * tree-pass.h (TODO_remove_unused_locals): Define.
19818 * gimple-low.c (expand_var_p, remove_useless_vars,
19819 pass_remove_useless_vars): Remove. Update all users.
19820 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19821 (remove_unused_locals): New function.
19822 * tree-flow.h (remove_unused_locals): Declare.
19823 * passes.c (execute_todo): Call remove_unused_locals if
19824 TODO_remove_unused_locals is set.
19825 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19826 * tree-ssa-dce.c (pass_dce): Likewise.
19827 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19829 2006-01-05 Richard Guenther <rguenther@suse.de>
19831 * tree-flow.h (struct fieldoff): Decompose field to
19832 type, size and decl.
19833 * tree-ssa-alias.c (create_sft): Take type as parameter.
19834 (create_overlap_variables_for): Store type, size and decl
19835 in the fieldoff structure.
19836 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19837 of struct fieldoff.
19838 (push_fields_onto_fieldstack): Likewise.
19839 (create_variable_info_for): Likewise. Use offset for the
19840 SFT name if the decl is not available.
19842 2006-01-04 Paul Brook <paul@codesourcery.com>
19844 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19846 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19848 * lambda-code.c (can_put_in_inner_loop): Relax
19850 (can_put_after_inner_loop): New function.
19851 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19852 (perfect_nestify): Change to make copies and modify uses.
19854 2006-01-04 Richard Henderson <rth@redhat.com>
19856 Merge from gomp branch:
19857 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19858 via integer constant.
19859 (pragma_lex): Remove.
19860 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19861 rather than parsing it.
19862 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19863 handle_pragma_extern_prefix): Add %< %> quotes.
19864 (registered_pragmas): New.
19865 (c_register_pragma_1): New.
19866 (c_register_pragma): Use it.
19867 (c_register_pragma_with_expansion): Likewise.
19868 (c_invoke_pragma_handler): New.
19869 (init_pragma): Use cpp_register_deferred_pragma directly for
19871 * c-pragma.h (enum pragma_kind): New.
19872 (pragma_handler): New.
19873 (c_invoke_pragma_handler): Declare.
19874 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19876 * c-common.h (c_common_pch_pragma): Update decl.
19877 * Makefile.in (c-parser.o): Update dependencies.
19878 (GTFILES): Add c-pragma.h.
19879 * c-parser.c (struct c_token): Add pragma_kind.
19880 (struct c_parser): Add in_pragma.
19881 (c_lex_one_token): Always initialize keyword and pragma_kind.
19882 Extract data for CPP_PRAGMA.
19883 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19884 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19885 Don't allow CPP_PRAGMA_EOL if in_pragma.
19886 (c_parser_consume_pragma): New.
19887 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19888 (c_parser_skip_to_end_of_parameter): Likewise.
19889 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19890 (c_parser_skip_to_pragma_eol): New.
19891 (c_parser_external_declaration): Handle CPP_PRAGMA.
19892 (c_parser_compound_statement_nostart): Likewise.
19893 (c_parser_statement_after_labels): Likewise.
19894 (c_parser_pragma): New.
19895 (pragma_lex): Likewise.
19896 (c_parser_pragma_pch_preprocess): New.
19897 (c_parser_new): Merge into ...
19898 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19900 2006-01-04 Jeff Law <law@redhat.com>
19903 * tree-cfg.c (bsi_replace): Remove the original statement
19904 from the EH throw statement table.
19906 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19908 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19909 make the prototype extern "C" and add throw ().
19912 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19913 and pos non-negative and pos + len <= 32.
19914 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19915 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19916 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19919 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19920 as well as sizes not multiple of component size.
19923 * function.c (instantiate_expr): New function.
19924 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19925 walk its DECL_VALUE_EXPR with instantiate_expr.
19927 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19928 DW_OP_deref{,_size} if address isn't going to be added.
19930 2006-01-04 Ben Elliston <bje@au.ibm.com>
19932 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19933 * config/fp-bit.c: Likewise.
19935 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19937 * dominance.c: Add comment about why we use DFS numbering
19940 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19941 Richard Henderson <rth@redhat.com>
19943 Merge from gomp-branch:
19944 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19945 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19947 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19949 PR rtl-optimization/25578
19950 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19951 pass a parameter to simplify_shift_const if changing ASHIFTRT
19954 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19956 * builtins.c (get_builtin_sync_mem): New function.
19957 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19958 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19959 Call get_builtin_sync_mem to generate mem rtx.
19961 2006-01-03 Richard Guenther <rguenther@suse.de>
19964 * stmt.c (add_case_node): Make sure to clear overflow flags
19967 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19969 Merge from gomp-branch.
19970 * config/sparc/sync.md: New file.
19971 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19972 UNSPECV_LDSTUB): New constants.
19973 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19974 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19975 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19978 2006-01-03 Roger Sayle <roger@eyesopen.com>
19980 * combine.c (reg_subword_p): New predicate to test whether the
19981 destination of a set refers to a subword/piece of a register.
19982 (try_combine): Generalize the code to merge the setting of a
19983 pseudo to a constant followed by a set of a subword of that
19984 register to a constant.
19986 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
19988 * basic-block.h (control_flow_graph): Change the type of
19989 x_label_to_block_map to VEC(basic_block,gc) *.
19990 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
19991 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
19993 * tree-ssa-propagate.c (cfg_blocks): Change the type to
19994 VEC(basic_block,heap) *.
19995 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
19996 ssa_prop_fini): Adjust the uses of cfg_blocks.
19998 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20000 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20002 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20003 hashing trees instead of a pointer hash.
20004 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20005 compare for MEM_EXPR.
20007 PR rtl-optimization/25130
20008 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20009 when comparing MEMs for GCSE
20011 2006-01-03 Ben Elliston <bje@au.ibm.com>
20013 * targhooks.h (default_decimal_float_supported_p): Declare.
20014 * targhooks.c (default_decimal_float_supported_p): Define.
20015 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20016 `default_decimal_float_supported_p'.
20017 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20019 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20021 * combine.c (apply_distributive_law <SUBREG>): Check
20022 TRULY_NOOP_TRUNCATION.
20024 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20026 * dwarf2out.c (have_switched_text_section): Delete.
20027 (have_multiple_function_sections): New.
20028 (have_location_lists): Make 'bool'.
20029 (add_AT_loc_list): Use 'true' not '1'.
20030 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20031 (output_loc_list): Use have_multiple_function_sections.
20032 (output_ranges): Likewise.
20033 (dwarf2out_begin_function): Set have_multiple_function_sections if
20035 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20036 Check function_section rather than DECL_SECTION_NAME.
20037 (dwarf2out_finish): Use have_multiple_function_sections.
20038 Don't clear have_location_lists.
20040 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20041 Jan Hubicka <jh@suse.cz>
20043 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20044 case of conditional jump jumping to the next instruction.
20045 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20046 cases of conditional jump jumping to the next instruction.
20048 2006-01-02 Jan Hubicka <jh@suse.cz>
20050 * i386.c (*_cost): Add COSTS_N_INSNS.
20051 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20053 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20056 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20058 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20060 * config/arm/arm.c (all_fpus): Fix comment typo.
20061 * config/darwin.c: Likewise.
20062 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20063 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20064 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20066 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20068 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20069 (rs6000_split_compare_and_swapqhi): New.
20070 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20071 (sync_compare_and_swapqhi_internal): New.
20072 * config/rs6000/rs6000-protos.h: Declare.