1 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
3 * config/spu/crt0.c (__dso_handle): Define.
5 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
7 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
8 when clearing the used flags.
10 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
12 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
14 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
17 * config/spu/spu.md (extend_compare<mode>): New pattern.
18 (extend_compare): Change to expand and use the above pattern.
20 2006-11-29 Janis Johnson <janis187@us.ibm.com>
22 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
24 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
25 (DFP_INIT_ROUNDMODE): Define.
26 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
27 * mklibgcc.in: Fix dependencies for dfp-bit.c.
29 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
31 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
33 (associate_line_notes_with_blocks): Kill.
34 (extend_bb): Remove basic block argument, put void instead.
35 Remove line number handling for each bb.
36 (save_line_notes): Kill.
37 (restore_line_notes): Kill.
38 (sched_init): Remove line_note_head initialization.
39 Change extend_bb call.
40 (sched_finish): Remove free of line_note_head.
41 (add_block): Change extend_bb call.
42 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
43 rm_line_notes and restore_line_notes calls.
44 (schedule_ebbs): Remove rm_redundant_line_notes.
45 * sched-int.h (struct haifa_insn_data): Remove line_note.
46 (save_line_notes): Remove declaration.
47 (restore_line_notes): Remove declaration.
48 * modulo-sched.c (loop_canon_p): Update debug info printing
49 by using insn locators instead of line note.
50 (sms_schedule): Update debug info printing, by using insn
51 locators instead of line note.
52 * sched-rgn.c (debug_dependencies): Remove handling of case
53 n>0 (line number), since it's a dead code.
54 (schedule_region): Remove save_line_notes and
55 restore_line_notes calls.
57 2006-11-29 Joseph Myers <joseph@codesourcery.com>
59 * config/rs6000/predicates.md (gpc_reg_operand): Check
61 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
62 SImode subregs of SPE vectors.
63 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
64 * jump.c (true_regnum): Require subregs to satisfy
65 subreg_offset_representable_p.
67 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
68 Steven Bosscher <stevenb.gcc@gmail.com>
70 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
71 since it no longer exists.
73 2006-11-29 Duncan Sands <baldrick@free.fr>
75 PR tree-optimization/23744
76 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
78 2006-11-29 Duncan Sands <baldrick@free.fr>
80 PR tree-optimization/23744
81 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
83 2006-11-29 Duncan Sands <baldrick@free.fr>
85 PR tree-optimization/23744
86 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
88 2006-11-29 Jie Zhang <jie.zhang@analog.com>
90 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
92 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
94 * sh.opt (minline-ic_invalidate): New option.
95 (musermode): Adjust comment.
96 * sh.c (sh_initialize_trampoline): Emit library call unless
97 is set; if it is set, don't emit library call if we can use icbi
99 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
100 icbi for TARGET_SH4_300.
101 * t-sh (LIB1ASMFUNCS_CACHE): Set.
102 * doc/invoke.texi: Document -minline-ic_invalidate; Update
103 -musermode documentation.
105 2006-11-29 Jim Tison <jtison@us.ibm.com>
107 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
108 __gthread_recursive_mutex_init): Define.
110 2006-11-29 Joseph Myers <joseph@codesourcery.com>
112 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
113 STRICT_ALIGNMENT and the type is more aligned than the saved
114 registers, copy via a temporary.
116 2006-11-28 Andrew Pinski <pinskia@gmail.com>
119 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
122 2006-11-28 Bob Wilson <bob.wilson@acm.org>
124 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
126 2006-11-28 Jan Hubicka <jh@suse.cz>
128 Privatize SSA variables into gimple_df.
130 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
131 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
132 gimple_nonlocal_all): New accessors.
133 (first_referenced_var): Update.
134 (mark_stmt_modified): Update.
135 (is_call_clobbered): Update.
136 (mark_call_clobbered): Update.
137 (clear_call_clobbered): Update.
138 (mark_non_addressable): Update.
139 * tree-vrp.c (get_value_range): Update.
140 * tree-into-ssa.c (in_ssa_p): Kill.
141 (get_default_def_for): Update.
142 (rewrite_into_ssa): Update.
143 * tree-complex.c (init_parameter_lattice_values): Update.
144 (update_complex_assignment): Update.
145 (update_parameter_components): Update.
146 (expand_complex_libcall): Update.
147 (expand_complex_operations_1): Update.
148 * tree-tailcall.c (arg_needs_copy_p): Update.
149 (add_virtual_phis): Update.
150 (tree_optimize_tail_calls_1): Update.
151 * tree-ssa-dse.c (memory_ssa_name_same): Update.
152 * tree-ssa-copyrename.c
153 (copy_rename_partition_coalesce): Update.
154 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
155 * tree-ssa-propagate.c (set_rhs): Update.
156 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
157 addressable_vars, global_var):Kill.
158 (set_initial_properties): Update.
159 (init_alias_info): Update.
160 (finalize_ref_all_pointers): Update.
161 (setup_pointers_and_addressables): Update.
162 (maybe_create_global_var): Update.
163 (create_global_var): Update.
164 (dump_points_to_info): Update.
165 * function.h (struct gimple_df): Forward declare.
166 (struct function): Add GIMPLE_DF field.
167 * gimplify.c (force_gimple_operand): Update.
168 * tree-dfa.c (referenced_vars, default_defs): KIll.
169 (make_rename_temp): Update.
170 (dump_variable): Update.
171 (referenced_var_lookup): Update.
172 (referenced_var_check_and_insert): Update.
173 (default_def): Rename to ...
174 (gimple_default_def): ... this one; accept cfun argument.
175 (set_default_def): Update.
176 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
177 (cleanup_control_flow): Update.
178 * tree-ssa-pre.c (compute_avail): Update
179 * tree-ssa-live.c (calculate_live_on_entry): Update.
180 * tree-ssa.c (verify_use): Update.
181 (verify_call_clobbering): Update.
182 (verify_call_clobbering): Update.
183 (init_tree_ssa): Update.
184 (delete_tree_ssa): Update.
185 * tree-outof-ssa.c (coalesce_ssa_name): Update.
186 (rewrite_out_of_ssa): Update.
187 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
188 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
190 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
191 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
192 addressable_vars, aliases_computed_p): Kill.
193 (default_def): Rename to...
194 (gimple_default_def): ... this one.
195 (defaule_def_fn): Kill.
196 (num_referenced_vars, ssa_names, num_ssa_names): Update.
197 * tree-ssa-structalias.c (nonlocal_all): Kill.
198 (get_constraint_exp_from_ssa_var): Update.
199 (create_nonlocal_var): Update.
200 (get_constraint_for): Update.
201 (update_alias_info): Update.
202 (find_global_initializers): Update.
203 (intra_create_variable_infos): Update.
204 (intra_create_variable_infos):
205 (find_what_p_points_to): Update.
206 (init_alias_heapvars): Update.
207 * tree-cfg.c (remove_bb): Update.
208 (gimplify_val): Update.
209 * tree-ssa-reassoc.c (get_rank): Update.
210 (init_reassoc): Update.
211 * tree-ssanames.c: Do not include gt-tree-ssanames.h
212 (ssa_names, free_ssanames): Kill.
213 (init_ssanames): Update.
214 (make_ssa_name): Update.
215 (release_ssa_name): Update.
216 (release_defs): Update.
217 (replace_ssa_name_symbol): Update.
218 * tree-ssa-operands.c (access_can_touch_variable): Update.
219 (add_virtual_operand): Update.
220 (add_call_clobber_ops): Update.
221 (add_call_read_ops): Update.
222 (get_call_expr_operands): Update.
223 (get_asm_expr_operands): Update.
225 2006-11-28 Jan Hubicka <jh@suse.cz>
227 * builtins.c: Include tree-flow.h.
228 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
229 assignment; convert memmove to memcpy for sizes greater than 1 where
230 alignment of operands prohibit the partial overlap.
232 2006-11-28 Jan Hubicka <jh@suse.cz>
234 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
235 * cgraph.c (dump_cgraph_node): Dump stack usage.
236 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
237 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
238 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
239 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
240 (cgraph_check_inline_limits): Limit stack growth.
241 * cfgexpand.c: Include tree-inline.h.
242 (account_stack_vars): New function.
243 (expand_one_var): New param to just account the stack; return estimated
245 (expand_used_vars_for_block): Update call of expand_one_var.
246 (account_used_vars_for_block): New function.
247 (estimated_stack_frame_size): Likewise.
248 (init_vars_expansion, fini_vars_expansion): Break out from..
249 (expand_used_vars): ... here.
250 * tree-inline.h (estimated_stack_frame_size): Declare.
251 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
253 2006-11-28 Richard Guenther <rguenther@suse.de>
255 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
256 unsigned long for printing OBJECT_SIZE.
258 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
260 * alias.c (init_alias_analysis): Remove simplification loop
261 after propagating pointers.
263 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
265 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
268 2006-11-27 Bob Wilson <bob.wilson@acm.org>
270 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
272 2006-11-27 Roger Sayle <roger@eyesopen.com>
273 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
275 * c-common.c (constant_fits_type_p): Delete.
276 (unsigned_conversion_warning): Delete.
277 (conversion_warning): Integrate Wconversion warning from
278 unsigned_conversion_warning.
279 (convert_and_check): Integrate Woverflow warning from
280 unsigned_conversion_warning. Reorganize and simplify to avoid
281 dependence upon the middle-end setting TREE_OVERFLOW on integral
282 conversions, by using int_fits_type_p directly.
284 2006-11-27 Tobias Burnus <burnus@net-b.de>
286 * doc/invoke.texi: Fixed typo.
288 2006-11-27 Michael Matz <matz@suse.de>
289 Andreas Krebbel <krebbel1@de.ibm.com>
292 * config/s390/predicates.md (larl_operand): Check addend of larl
293 operand to be in range of -/+2GB.
294 * config/s390/s390.c (legitimize_pic_address): Likewise.
295 Changed type of variable even to HOST_WIDE_INT.
297 2006-11-27 Jan Hubicka <jh@suse.cz>
299 * expr.c (emit_block_move_via_libcall): Export.
300 (clear_storage_via_libcall): Rename to ...
301 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
302 (clear_storage): Update to set_storage_via_libcall.
303 * expr.h (emit_block_move_via_libcall): Declare
304 * config/i386/i386.h (stringop_alg): New enum.
305 (MAX_STRINGOP_ALGS): New constant.
306 (stringop_algs): New struct.
307 (processor_costs): Add memcpy/memset descriptors.
308 (TARGET_REP_MOVEL_OPTIMAL): Remove.
309 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
310 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
312 * config/i386/i386.opt (minline-stringops-dynamically,
313 mstringop-strategy): New
315 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
316 (ix86_expand-clrmem): Rename to ...
317 (ix86_expand_setmem): ... this one; update prototype.
318 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
319 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
320 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
321 nocona_cost, core2_cost, generic_cost, generic64_cost,
322 generic32_cost): Add memcpy/memset descriptors.
323 (x86_rep_movl_optimal): Remove.
324 (stringop_alg): New static variable.
325 (ix86_expand_aligntest): Handle predictions.
326 (override_options): Add strgop_alg handling.
327 (predict_jump): New function.
328 (scale_counter): New function.
329 (expand_set_or_movmem_via_loop): New function.
330 (expand_movmem_via_rep_mov): New function.
331 (expand_setmem_via_rep_stots): New function.
332 (emit_strmov): New function.
333 (expand_movmem_epilogue): New function.
334 (expand_setmem_epilogue_via_loop): New function.
335 (expand_setmem_epilogue): New function.
336 (expand_movmem_prologue): New function.
337 (expand_setmem_prologue): New function.
338 (decide_alg): New function.
339 (decide_alignment): New function.
340 (ix86_exand_movmem): Rewrite.
341 (promote_duplicated_reg): New function.
342 (ix86_expand_clrmem): Rename to ...
343 (ix86_expand_setmem): ... this one. Rewrite.
345 * invoke.texi (minline-stringops-dynamically): New command line option.
346 (mstringop-strategy): Likewise.
348 2006-11-27 Jan Hubicka <jh@suse.cz>
350 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
351 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
352 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
353 * insn-notes.def (FUNCTION_END): Remove.
354 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
355 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
357 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
358 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
359 * cfglayout.c (duplicate_insn_chain): Don't worry about
362 2006-11-27 Richard Guenther <rguenther@suse.de>
363 Zdenek Dvorak <dvorakz@suse.cz>
365 * target.h (struct gcc_target): Add builtin_vectorized_function
367 * target-def.h (TARGET_VECTORIZE): Likewise.
368 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
369 Document new target hook.
370 * targhooks.h (default_builtin_vectorized_function): Declare.
371 * targhooks.c (default_builtin_vectorized_function): Define.
372 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
373 (vectorizable_call): Declare.
374 * tree-vect-analyze.c (vect_analyze_operations): Call
376 * tree-vect-transform.c (vectorizable_function): New static function.
377 (build_vectorized_function_call): Likewise.
378 (vectorizable_call): New function.
379 (vect_transform_stmt): Handle vectorizable calls.
381 2006-11-27 Richard Guenther <rguenther@suse.de>
384 * builtins.c (expand_builtin_pow): Optimize non integer valued
385 constant exponents using sqrt or cbrt if possible. Always fall back
386 to expanding via optabs.
388 2006-11-27 Ira Rosen <irar@il.ibm.com>
390 PR tree-optimization/22372
391 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
392 the type of the base address.
393 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
394 it in the data-ref pointer creation.
395 (vect_init_vector): Add an argument, type of the init vector. Use it in
397 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
398 (get_initial_def_for_reduction): Likewise.
399 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
401 (vectorizable_assignment, vect_permute_store_chain): Likewise.
402 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
403 correct type in stmt creation.
404 (vect_setup_realignment): Use the correct type in stmt creation.
405 (vect_permute_load_chain): Change type of MODIFY_EXPR to
407 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
408 of MODIFY_EXPR to void_type_node.
409 (vectorizable_condition): Change type of MODIFY_EXPR to
411 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
414 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
417 2006-05-08 Uros Bizjak <uros@kss-loka.si>
418 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
419 standard 80387 constants, raise the cost to prevent
420 compress_float_constant() to generate load from memory.
422 * config/i386/i386.md: Add new splitter pattern to split
423 float_extended load of constant from constant pool into
426 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
428 * doc/install.texi: Move GMP/MPFR configure options from Fortran
429 section to general section. Remove documentation for
430 --with-mpfr-dir and --with-gmp-dir, add documentation for
431 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
434 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
436 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
438 * testsuite/gcc.dg/ipa/ipa-6.c: New.
440 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
442 PR tree-optimization/29122
443 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
444 for the new version. Assign NULL to DECL_RTL of the new version.
446 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
448 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
450 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
452 * cse.c (cse_altered): Remove.
453 (record_jump_equiv): Make true/false argument a bool instead
455 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
456 where appropriate. Emit a new jump before the existing one
457 instead of after so that delete_insn_and_edges removes the
458 dead edges properly. Check any_condjump_p before calling
460 (cse_basic_block): Check any_condjump_p before calling
462 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
464 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
466 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
467 -ffixed-line-length-* options.
469 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
471 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
472 (fprem1xf4): Rename to fprem1xf4_i387.
474 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
475 Rename patterns to fmod<mode>3. Use general_operand operand
476 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
477 patterns for SSE math.
478 (remaindersf3, remainderdf3): Ditto.
480 2006-11-25 Joseph Myers <joseph@codesourcery.com>
482 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
483 inside start_sequence / end_sequence pair.
485 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
487 * jump.c (mark_all_labels): Work in cfglayout mode.
488 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
489 when in cfglayout mode, because there are no dead jumptables
491 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
493 (commit_edge_insertions): Do not allow insertion of instructions
494 with control flow insns when in cfglayout mode.
496 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
498 * tree-vrp.c (execute_vrp): Do not pass loops structure through
500 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
501 unswitch_loop): Ditto.
502 * tree-loop-linear.c (linear_transform_loops): Ditto.
503 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
504 tree_ssa_lim): Ditto.
505 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
506 free_numbers_of_iterations_estimates): Ditto.
507 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
508 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
509 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
510 remove_path, add_loop, loopify, unloop, fix_loop_placements,
511 place_new_loop, duplicate_loop, duplicate_subloops,
512 update_single_exit_for_duplicated_loops, copy_loops_to,
513 duplicate_loop_to_header_edge, create_preheaders,
514 force_single_succ_latches, loop_version, fix_loop_structure):
516 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
517 tree_unroll_loop): Ditto.
518 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
519 * tree-scalar-evolution.c (select_loops_exit_conditions,
520 scev_initialize, scev_analysis): Ditto.
521 * tree-scalar-evolution.h (scev_initialize): Ditto.
522 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
523 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
524 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
525 * modulo-sched.c (sms_schedule): Ditto.
526 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
527 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
528 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
529 * ifcvt.c (if_convert): Ditto.
530 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
531 canonicalize_loop_induction_variables,
532 canonicalize_induction_variables,
533 tree_unroll_loops_completely, remove_empty_loops): Ditto.
534 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
535 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
536 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
537 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
538 tree_ssa_loop_done): Ditto.
539 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
540 estimate_bb_frequencies): Ditto.
541 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
542 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
543 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
544 decide_unrolling_and_peeling, peel_loop_completely,
545 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
546 peel_loop_simple, unroll_loop_stupid): Ditto.
547 * loop-doloop.c (doloop_optimize_loops): Ditto.
548 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
549 * loop-invariant.c (move_loop_invariants): Ditto.
550 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
551 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
552 tree_ssa_prefetch_arrays): Ditto.
553 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
555 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
556 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
557 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
558 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
559 verify_loop_structure): Ditto.
560 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
561 canonicalize_induction_variables, tree_unroll_loops_completely,
562 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
563 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
564 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
565 tree_unroll_loop, linear_transform_loops): Declaration changed.
566 * basic-block.h: Remove declaration of struct loops.
567 * cfghooks.h (struct cfg_hooks): Change type of
568 cfg_hook_duplicate_loop_to_header_edge.
569 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
570 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
571 vect_transform_loop): Declaration changed.
572 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
573 * cfgloop.h (flow_loops_dump, fix_loop_structure,
574 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
575 cancel_loop_tree, create_preheaders, force_single_succ_latches,
576 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
577 loopify, loop_version, remove_path, unswitch_loops,
578 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
581 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
583 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
584 (X87MODEF): New mode macro.
585 (ssemodefsuffix): New mode attribute.
586 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
587 (sqrt_extend<mode>xf2_i387): New insn pattern.
588 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
589 insn and truncate result back to original mode using
590 UNSPEC_TRUNC_NOOP truncation.
591 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
592 ssemodefsuffix mode attribute.
593 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
594 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
595 (*sqrtextenddfxf2_i387): Remove insn patterns.
597 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
600 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
602 2006-11-24 Jakub Jelinek <jakub@redhat.com>
605 * c-tree.h (c_maybe_initialize_eh): New prototype.
606 * c-decl.c (finish_decl): Move EH initialization...
607 (c_maybe_initialize_eh): ... here. New function.
608 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
609 if not #pragma omp atomic.
612 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
613 or UNION_TYPE inner types.
615 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
618 * ipa-pure-const.c (check_tree): If the original tree
619 is volatile return early and say the function is not pure
620 nor const. Remove the volatile check for writes.
621 (analyze_function): Print out the result of the local
624 2006-11-24 Joseph Myers <joseph@codesourcery.com>
626 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
628 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
629 * config/rs6000/rs6000.c (rs6000_override_options): Use
630 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
633 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
635 * config/s390.c (s390_emit_compare_and_swap): New function.
636 (s390_expand_cs_hqi, s390_expand_atomic): Call
637 s390_emit_compare_and_swap.
639 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
641 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
643 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
647 * c-common.c (conversion_warning): New.
648 (convert_and_check): Call conversion_warning unless there is an
650 * doc/invoke.texi (-Wconversion): Update description.
652 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
654 * tree-ssa-alias.c (tree_pointer_compare): New function.
655 (compact_name_tags): New function.
656 (group_aliases): Call compact_name_tags.
658 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
660 * real.h (real_isinteger): Declare.
661 * real.c (real_isinteger): Define.
662 * builtins.c (integer_valued_real_p): Use it.
664 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
667 * c.opt (Wtraditional-conversion): New.
668 (Wconversion): Update description.
669 * c-typeck.c (convert_arguments): Warnings for prototypes causing
670 type conversions different from what would happen in the absence
671 of prototype are now handled by Wtraditional-conversion.
672 * doc/invoke.texi (Wtraditional-conversion): New.
673 (Wconversion): Update description.
674 * doc/trouble.texi (Wconversion): Replace Wconversion by
675 Wtraditional-conversion.
677 2006-11-23 Andrew Pinski <pinskia@gmail.com>
679 * predict.c (tree_estimate_probability): Check to make
680 sure current_loops is non null before calling flow_loops_dump.
682 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
684 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
686 2006-11-23 David Ung <davidu@mips.com>
688 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
690 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
691 (ASM_SPEC): Pass along -mfp32 and -mfp64.
692 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
693 high part of FP register when in 64-bit FP register mode. Similarly
694 use gen_mfhc1 to load high part of FP register.
695 (override_options): Allow -mgp32 and -mfp64 combination if
696 ISA_HAS_MXHC1 (currently for O32 only).
697 (mips_cannot_change_mode_class): If floating-point registers are
698 bigger than word size. disallow conversion of float register from a
699 large integer mode to a float mode smaller than the float register
701 (mips_class_max_nregs): Handle float registers case seperately.
702 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
704 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
705 (movdf_hardfloat_32bit): Similarly.
706 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
707 support a full 64-bit fpu.
708 (mthc1): New pattern to generate MTHC1 instruction.
709 (mfhc1): New pattern to generate MFHC1 instruction.
710 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
711 option for the MIPS32R2 and mention its use under O32 ABI.
713 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
715 * var-tracking.c (emit_note_insn_var_location): Take care not to
716 cause verify_flow_info failures.
718 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
720 * tree-ssa-structalias.c: Remove edge weights in favor of just
721 processing them as complex constraints.
722 (struct constraint_graph): Remove weighted succs and preds. Rename
723 nonweighted succs and preds.
724 (constraint_edge): Removed.
725 (constraint_edge_t): Ditto.
726 (constraint_edge_pool): Ditto.
727 (new_constraint_edge): Ditto.
728 (constraint_edge_equal): Ditto.
729 (constraint_edge_less): Ditto.
730 (constraint_edge_vec_find): Ditto.
731 (erase_self_graph_edge): Ditto.
732 (add_graph_edge): Removed.
733 (get_graph_weights): Ditto.
734 (allocate_graph_weights): Ditto.
735 (valid_weighted_graph_edge): Ditto
736 (bitmap_other_than_zero_bit_set): Ditto.
737 (int_add_graph_edge): Renamed to add_graph_edge.
738 (clear_edges_for_node): Remove support for weighted edges.
739 (merge_graph_nodes): Ditto.
740 (valid_graph_edge): Ditto.
741 (build_constraint_graph): Ditto.
743 (collapse_nodes): Ditto.
744 (process_unification_queue): Ditto.
746 (do_ds_constraint): Ditto.
747 (perform_var_subsitution): Ditto.
748 (solve_graph): Ditto.
749 (init_alias_vars): Ditto.
750 (delete_points_to_sets): Ditto.
751 (do_complex_constraint): Support offsetted copies here.
753 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
755 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
757 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
759 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
762 2006-11-23 Ben Elliston <bje@au.ibm.com>
764 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
766 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
768 PR tree-optimization/29921
769 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
770 signed and unsigned zero equal.
772 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
774 * config/rs6000/rs6000.c (get_store_dest): New.
775 (adjacent_mem_locations): Use get_store_dest() to get
776 the rtl of the store destination.
778 2006-11-22 Joseph Myers <joseph@codesourcery.com>
780 * config/rs6000/spe.md (SPE64): New mode macro.
781 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
783 (mov_si<mode>_e500_subreg0_2): New.
784 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
786 (mov_si<mode>_e500_subreg4_2): New.
787 * config/rs6000/predicates.md (input_operand): Do not allow
788 invalid E500 subregs.
789 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
791 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
792 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
793 involving vector modes if TARGET_SPE.
795 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
798 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
799 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
801 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
803 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
804 mem_i_address_operand): New predicates.
805 * config/bfin/bfin.c (bfin_issue_rate): New function.
806 (TARGET_SCHED_ISSUE_RATE): New macro.
807 * config/bfin/bfin.md (addrtype): New attribute.
808 (slot0, slot1, slot2, store, pregs): New cpu_units.
809 (core): Now a define_reservation.
810 (alu): Remove some insn types from this reservation.
811 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
813 (dummy reservation): Don't trigger for mcld insns.
814 (absence_sets): Two new absence sets to enforce slot ordering.
815 (popsi_insn): Set addrtype.
817 2006-11-22 Ira Rosen <irar@il.ibm.com>
819 * doc/c-tree.texi: Document new tree codes.
820 * doc/md.texi: Document new optabs.
821 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
823 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
824 * optabs.h (optab_index): Add new.
825 (vec_extract_even_optab, vec_extract_odd_optab,
826 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
827 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
828 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
830 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
831 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
832 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
833 along with macros for their access.
834 * tree-data-ref.h (first_location_in_loop, data_reference): Update
836 * tree-vect-analyze.c (toplev.h): Include.
837 (vect_determine_vectorization_factor): Fix indentation.
838 (vect_insert_into_interleaving_chain,
839 vect_update_interleaving_chain, vect_equal_offsets): New functions.
840 (vect_analyze_data_ref_dependence): Add argument for interleaving
841 check. Check for interleaving if it's true.
842 (vect_check_dependences): New function.
843 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
844 every ddr. Call vect_analyze_data_ref_dependence with new argument.
845 (vect_update_misalignment_for_peel): Update for interleaving.
846 (vect_verify_datarefs_alignment): Check only first data-ref for
848 (vect_enhance_data_refs_alignment): Update for interleaving. Check
849 only first data-ref for interleaving.
850 (vect_analyze_data_ref_access): Check interleaving, update
852 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
853 with different parameters.
854 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
855 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
856 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
857 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
858 Update step in case of interleaving.
859 (vect_strided_store_supported, vect_permute_store_chain): New
861 (vectorizable_store): Handle strided stores.
862 (vect_strided_load_supported, vect_permute_load_chain,
863 vect_transform_strided_load): New functions.
864 (vectorizable_load): Handle strided loads.
865 (vect_transform_stmt): Add argument. Handle strided stores. Check
866 that vectorized stmt exists for patterns.
867 (vect_gen_niters_for_prolog_loop): Update calculation for
869 (vect_transform_loop): Remove stmt_vec_info for strided stores after
870 whole chain vectorization.
871 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
872 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
873 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
874 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
875 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
877 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
879 * cse.c (enum taken): Remove PATH_AROUND.
880 (addr_affects_sp_p, invalidate_skipped_set,
881 invalidate_skipped_block): Remove.
882 (cse_end_of_basic_block): Remove skip_blocks and related code.
883 (cse_main): Don't test for flag_cse_skip_blocks.
884 Update cse_end_of_basic_block call.
885 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
886 code to lengthen the path if a jump was simplified.
888 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
890 PR rtl-optimization/29924
891 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
892 (unroll_loop_runtime_iterations): Assert that the argument passed to
893 split_edge_and_insert is not NULL.
894 * loop-doloop.c (add_test): Ditto.
896 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
898 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
900 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
901 * cfgloopmanip.c (update_single_exits_after_duplication,
902 update_single_exit_for_duplicated_loop, loop_version): Ditto.
903 * tree-scalar-evolution.c (get_loop_exit_condition,
904 get_exit_conditions_rec, loop_closed_phi_def,
905 number_of_iterations_in_loop, scev_const_prop): Ditto.
906 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
907 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
909 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
911 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
912 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
913 slpeel_make_loop_iterate_ntimes,
914 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
915 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
917 * tree-if-conv.c (if_convertible_loop_p): Ditto.
918 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
919 vect_analyze_loop_form): Ditto.
920 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
921 can_convert_to_perfect_nest, perfect_nestify): Ditto.
922 * tree-vect-transform.c (vect_create_epilog_for_reduction,
923 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
924 vect_transform_loop): Ditto.
925 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
926 (single_exit, set_single_exit): New functions.
927 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
928 (single_exit, set_single_exit): Declare.
929 * doc/loop.texi: Undocument single_exit field. Document single_exit
932 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
934 PR tree-optimization/29902
935 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
936 any involved ssa name appears in abnormal phi node.
938 2006-11-21 Bob Wilson <bob.wilson@acm.org>
940 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
941 (xtensa_const_ok_for_letter_p): Delete.
942 (xtensa_extra_constraint): Delete.
943 (override_options): Delete xtensa_char_to_class initialization.
944 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
945 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
946 (EXTRA_CONSTRAINT): Delete.
947 * config/xtensa/xtensa.md: Include constraints.md.
948 (call_internal): Combine alternatives.
949 (call_value_internal): Likewise, and remove invalid constraints.
950 * config/xtensa/constraints.md: New file.
951 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
952 (xtensa_extra_constraint): Delete.
953 * doc/md.texi (Machine Constraints): Refer to constraints.md for
956 2006-11-21 Janis Johnson <janis187@us.ibm.com>
958 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
959 of conversion that doesn't fit.
961 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
962 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
963 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
965 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
967 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
969 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
971 2006-11-21 Richard Guenther <rguenther@suse.de>
973 * tree-vectorizer.h (NUM_PATTERNS): Increase.
974 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
975 vect_recog_pow_pattern.
976 (vect_recog_pow_pattern): New function.
978 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
980 * config/bfin/bfin.opt (mstack-check-l1): New.
981 * doc/invoke.texi (Blackfin Options): Document it.
982 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
983 stack bounds in L1 memory if the new option is enabled.
984 (override_options): Don't allow combinations of -fstack-limit and
986 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
989 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
991 (bfin_register_move_cost): Bump costs if trying to move plain
992 integer values through accumulators.
994 2006-11-21 Ben Elliston <bje@au.ibm.com>
996 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
998 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
999 Russell Olsen <Russell_Olsen@playstation.sony.com>
1000 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1001 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1002 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1003 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1004 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1006 * config.gcc: Add target for SPU.
1007 * config/spu/constraints.md: New file.
1008 * config/spu/crt0.c: New file.
1009 * config/spu/crtend.c: New file.
1010 * config/spu/crti.asm: New file.
1011 * config/spu/crtn.asm: New file.
1012 * config/spu/float_unsdidf.c: New file.
1013 * config/spu/float_unssidf.c: New file.
1014 * config/spu/predicates.md: New file.
1015 * config/spu/spu-builtins.def: New file.
1016 * config/spu/spu-builtins.h: New file.
1017 * config/spu/spu-builtins.md: New file.
1018 * config/spu/spu-c.c: New file.
1019 * config/spu/spu-elf.h: New file.
1020 * config/spu/spu-modes.def: New file.
1021 * config/spu/spu-protos.h: New file.
1022 * config/spu/spu.c: New file.
1023 * config/spu/spu.h: New file.
1024 * config/spu/spu.md: New file.
1025 * config/spu/spu.opt: New file.
1026 * config/spu/spu_internals.h: New file.
1027 * config/spu/spu_intrinsics.h: New file.
1028 * config/spu/spu_mfcio.h: New file.
1029 * config/spu/t-spu-elf: New file.
1030 * config/spu/vec_types.h: New file.
1031 * config/spu/vmx2spu.h: New file.
1032 * doc/contrib.texi: Document SPU contributor.
1033 * doc/extend.texi: Document SPU extensions.
1034 * doc/invoke.texi: Document SPU options.
1035 * doc/md.texi: Document SPU constraints.
1037 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1039 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1041 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1043 (flow_loop_dump): Do not dump loop level.
1044 (flow_loops_find): Do not call flow_loops_level_compute.
1045 * cfgloop.h (struct loop): Remove level field.
1047 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1049 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1050 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1051 Use vector of edges instead of array.
1052 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1053 estimate_numbers_of_iterations_loop): Ditto.
1054 * predict.c (predict_loops): Ditto.
1055 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1056 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1058 * basic-block.h: Declare heap allocation for edge vectors.
1059 * tree-outof-ssa.c: Ditto.
1060 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1061 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1063 2006-11-20 Zack Weinberg <zackw@panix.com>
1065 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1066 Add another out parameter, "skip".
1067 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1068 is tagged "skip", do not mark its type used.
1070 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1073 * tree-sra.c (single_scalar_field_in_record_p): New function.
1074 (decide_block_copy): Use it.
1076 2006-11-20 David Daney <ddaney@avtrex.com>
1078 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1079 PC to point to following instruction.
1081 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1085 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1087 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1089 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1091 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1092 Add sh/superh.h to tm_file.
1094 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1095 Mark Mitchell <mark@codesourcery.com>
1097 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1099 (cpp_relocated): New function.
1100 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1102 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1103 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1104 replace configured prefix with gcc_exec_prefix.
1106 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1108 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1109 bfin_legitimate_constant_p.
1110 * config/bfin/bfin.md (movsi expander): Check return value of
1112 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1113 (expand_move): Adjust prototype.
1114 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1115 invalid constants specially.
1116 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1118 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1120 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1121 sibcall_value_symbol): Allow these patterns if
1122 TARGET_LEAF_ID_SHARED_LIBRARY.
1123 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1124 (override_options): Turn on id shared library flags if -msep-data,
1125 but disallow the combination of these options on the command line.
1126 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1127 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1128 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1129 -mid-shared-library.
1130 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1131 * doc/invoke.texi (Blackfin Options): Document new switches.
1133 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1134 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1136 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1137 inflate costs for addresses with an out-of-bounds address.
1139 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1142 * fwprop.c (loops): Remove.
1143 (forward_propagate_into): Use current_loops instead of
1145 (fwprop_init): Call loop_optimizer_init instead of
1147 (fwprop_done): Call loop_optimizer_finalize instead of
1149 (fwprop): Use current_loops instead of loops.
1151 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1154 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1156 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1159 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1160 larger than BITS_PER_WORD.
1162 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1166 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1167 to MAX_FIXED_MODE_SIZE.
1169 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1171 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1172 (fold_builtin_fmin_fmax): New.
1173 (fold_builtin_1): Use it.
1175 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1177 2006-11-18 Richard Guenther <rguenther@suse.de>
1179 * config/i386/i386.c (ix86_builtins): New array for ix86
1180 builtin function decls.
1181 (def_builtin): New function.
1182 (def_builtin_const): Likewise.
1183 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1185 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1187 * doc/invoke.texi (core2): Add item.
1189 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1191 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1192 (TARGET_CPU_DEFAULT_generic): Change value.
1193 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1194 (processor_type): Add new constant PROCESSOR_CORE2.
1196 * config/i386/i386.md (cpu): Add core2.
1198 * config/i386/i386.c (core2_cost): New initialized variable.
1199 (m_CORE2): New macro.
1200 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1201 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1202 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1203 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1204 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1205 x86_accumulate_outgoing_args, x86_prologue_using_move,
1206 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1207 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1208 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1209 x86_pad_returns): Add m_CORE2.
1210 (override_options): Add entries for Core2.
1211 (ix86_issue_rate): Add case for Core2.
1213 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1215 * doc/invoke.texi: Fix mno-isel typo.
1217 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1219 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1220 easy vector constant loads.
1222 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1224 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1225 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1226 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1227 * config/rs6000/sync.md (lwsync): Emit plain sync if
1230 2006-11-17 DJ Delorie <dj@redhat.com>
1232 * reload1.c (reloads_unique_chain): New.
1233 (reloads_conflict): Call it.
1235 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1237 * config/xtensa/predicates.md (addsubx_operand): New.
1238 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1239 (xtensa_emit_bit_branch): New.
1240 (xtensa_emit_movcc): New.
1241 * config/xtensa/xtensa.md (any_minmax): New code macro.
1242 (minmax): New code attribute.
1243 (any_cond, any_scc, any_scc_sf): New code macros.
1244 (*addx2, *addx4, *addx8): Delete.
1246 (*subx2, *subx4, *subx8): Delete.
1248 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1249 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1250 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1251 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1252 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1253 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1254 (movsfcc_internal0, movsfcc_internal1): Likewise.
1255 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1256 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1257 (xtensa_emit_bit_branch): New.
1258 (xtensa_emit_movcc): New.
1259 (function_arg_boundary): Add missing prototype.
1261 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1263 * config/xtensa/xtensa.md (tstsi): Delete
1265 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1267 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1269 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1271 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1273 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1275 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1277 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1279 * tree-vrp.c (execute_vrp): Do not update current_loops.
1280 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1281 * doc/loop.texi: Remove documentation for cancelled functions.
1282 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1283 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1285 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1286 (remove_path): Ensure that in delete_basic_blocks, the loops
1287 are still allocated.
1288 (add_loop): Work on valid loop structures.
1289 (loopify): Modify call of add_loop.
1290 (mfb_update_loops): Removed.
1291 (create_preheader): Do not update loops explicitly.
1292 (force_single_succ_latches, loop_version): Do not use
1293 loop_split_edge_with.
1294 (loop_split_edge_with): Removed.
1295 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1296 Do not use bsi_insert_on_edge_immediate_loop.
1297 (split_loop_exit_edge, tree_unroll_loop): Do not use
1298 loop_split_edge_with.
1299 (bsi_insert_on_edge_immediate_loop): Removed.
1300 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1301 use loop_split_edge_with.
1302 * cfghooks.c: Include cfgloop.h.
1303 (verify_flow_info): Verify that loop_father is filled iff current_loops
1305 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1306 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1308 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1310 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1311 loop_split_edge_with.
1312 (sms_schedule): Use current_loops.
1313 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1314 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1316 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1317 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1318 * ifcvt.c (if_convert): Ditto.
1319 * predict.c (predict_loops): Do not clear current_loops.
1320 (tree_estimate_probability): Use current_loops.
1321 (propagate_freq): Receive head of the region to propagate instead of
1323 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1324 (estimate_loops): New function. Handle case current_loops == NULL.
1325 (estimate_bb_frequencies): Do not allocate tovisit. Use
1327 * tree-ssa-loop.c (current_loops): Removed.
1328 (tree_loop_optimizer_init): Do not return loops.
1329 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1330 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1331 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1332 Do not update loops explicitly.
1333 * function.h (struct function): Add x_current_loops field.
1334 (current_loops): New macro.
1335 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1336 * loop-unroll.c (split_edge_and_insert): New function.
1337 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1338 use loop_split_edge_with.
1339 * loop-doloop.c (add_test, doloop_modify): Ditto.
1340 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1341 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1342 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1343 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1345 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1346 (flow_loops_free): Do not free dfs_order and rc_order.
1347 (flow_loops_find): Do not set dfs_order and rc_order in loops
1348 structure. Do not call loops and flow info verification.
1349 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1350 already belongs to some loop.
1351 * cfgloop.h (struct loops): Remove struct cfg.
1352 (current_loops, loop_split_edge_with): Declaration removed.
1353 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1354 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1355 Declaration removed.
1356 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1357 * basic-block.h (split_edge_and_insert): Declare.
1358 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1360 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1362 PR tree-optimization/29801
1363 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1364 (get_default_value): Use get_symbol_constant_value.
1365 (set_lattice_value): ICE when the value of the constant is
1367 (visit_assignment): Ignore VDEFs of read-only variables.
1369 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1371 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1373 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1374 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1376 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1378 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1379 select subvars of var.
1381 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1384 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1385 optimize if DEF doesn't have integral type.
1387 2006-11-16 Mike Stump <mrs@apple.com>
1389 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1390 pre-darwin9 system, unless the user asks for it directly.
1391 (PREFERRED_DEBUGGING_TYPE): Likewise.
1392 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1393 * config.gcc: Add suppport for darwin9.h.
1394 * config/darwin9.h: Add.
1395 * doc/install.texi (Specific): Clarify darwin documentation.
1397 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1399 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1400 optimizing for size.
1402 2006-11-16 Mike Stump <mrs@apple.com>
1404 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1406 2006-11-16 Dirk Mueller <dmueller@suse.de>
1408 * tree-vrp.c (get_value_range): Use XCNEW instead
1410 (insert_range_assertions): Use XCNEWVEC instead
1411 of XNEWVEC and memset.
1412 (vrp_initialize): Same.
1413 (vrp_finalize): Same.
1414 * tree-ssa-ccp.c (ccp_initialize): Same.
1415 * predict.c (tree_bb_level_predictions): Same.
1416 * calls.c (expand_call): Same.
1417 * tree-ssa-copy.c (init_copy_prop): Same.
1418 (fini_copy_prop): Same.
1419 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1420 of GGC_NEW and memset.
1422 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1425 * gimplify.c (gimplify_expr): Only force a load for references to
1426 non-BLKmode volatile values.
1427 * doc/implement-c.texi (Qualifiers implementation): Document the
1428 interpretation of what a volatile access is.
1429 * doc/extend.texi (C++ Extensions): Rework same documentation.
1431 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1433 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1436 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1438 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1440 (arm_neg_abssi2): Renamed from neg_abssi2.
1441 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1443 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1445 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1446 number of arguments passed to local functions in SSE registers is 3.
1448 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1449 number of arguments passed in SSE registers to 3.
1451 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1454 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1456 (get_last_bb_insn): ... new global function.
1457 (basic_block.h): Declare it.
1458 * haifa-sched.c (create_recovery_block): Use it.
1460 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1463 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1465 2006-11-15 Paul Brook <paul@codesourcery.com>
1467 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1468 _Unwind_GetTextRelBase): Move from here ...
1469 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1470 _Unwind_GetTextRelBase): ... To here.
1472 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1474 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1475 addresses we generate for testing are aligned.
1477 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1480 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1481 to what is the const decl is a place holder for.
1483 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1485 * config/i386/i386.opt: New target option -mx87regparm.
1487 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1488 and float_in_x87 variables. mmx_words, sse_words: Remove.
1489 (X87_REGPARM_MAX): Define.
1491 * config/i386/i386.c (override_options): Error out for
1492 -mx87regparm but no 80387 support.
1493 (ix86_attribute_table): Add x87regparm.
1494 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1495 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1496 (ix86_function_x87regparm): New function.
1497 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1499 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1501 (function_arg_advance): Process x87_nregs and x87_regno when
1502 floating point argument is to be passed in 80387 register.
1503 (function_arg): Pass XFmode arguments in 80387 registers for local
1504 functions. Pass SFmode and DFmode arguments to local functions
1505 in 80387 registers when flag_unsafe_math_optimizations is set.
1507 * reg-stack.c (convert_regs_entry): Disable NaN load for
1508 stack registers that are used for argument passing.
1510 * doc/extend.texi: Document x87regparm function attribute.
1511 * doc/invoke.texi: Document -mx87regparm.
1513 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1515 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1516 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1517 arg MODE; all callers changed. Use it to determine validity per
1518 machine mode instead of using Pmode for all memory references.
1519 (get_address_cost): Likewise add and use new arg MEM_MODE.
1521 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1522 J"orn Rennecke <joern.rennecke@st.com>
1524 * combine.c (likely_spilled_retval_1): Fix masking operation.
1525 (likely_spilled_retval_p): Use proper pattern for call to
1526 likely_spilled_retval_1.
1528 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1530 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1532 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1533 that tests for CONSTANT_POOL_ADDRESS_P.
1535 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1537 PR tree-optimization/29581
1538 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1539 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1540 type is different between Y and USE, create a temporary
1541 variable, initialize it at the beginning of the body bb
1542 and use it as replacement instead of Y.
1544 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1547 * gimplify.c (fold_indirect_ref_rhs): Use
1548 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1550 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1552 * expmed.c (emit_store_flag_1): New function.
1553 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1555 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1556 Use do_compare_rtx_and_jump.
1557 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1558 * arm.md (cstoresi4): New define_expand.
1559 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1560 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1561 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1563 2006-11-14 Caroline Tice <ctice@apple.com>
1565 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1566 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1568 (pubname_table): Redefine as a vector.
1569 (pubtype_table): New static global variable, defined as a vector.
1570 (pubname_table_allocated): Remove static global variable.
1571 (pubname_table_in_use): Remove static global variable.
1572 (PUBNAME_TABLE_INCREMENT): Remove constant.
1573 (size_of_pubnames): Add parameter to deal with either pubnames or
1574 pubtypes, and change code to deal with table being a vector.
1575 (add_pubname): Change to deal with table being a vector.
1576 (add_pubtype): New function.
1577 (output_pubnames): Add parameter to deal with either pubnames or
1578 pubtypes, and change code to deal with table being a vector.
1579 (gen_array_type_die): Add call to add_pubtype.
1580 (gen_enumeration_type_die): Add call to add_pubtype.
1581 (gen_struct_or_union_type_die): Add call to add_pubtype.
1582 (gen_subroutine_type_die): Add call to add_pubtype.
1583 (gen_typedef_die): Add call to add_pubtype.
1584 (dwarf2out_init): Add code to initialize pubname_table and
1585 pubtype_table vectors; also initialize debug_pubtypes_section.
1586 (prune_unused_types): Change to deal with pubnames being a vector.
1587 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1588 pubnames table to call to output_pubnames; Add code to output pubtypes
1589 table if DEBUG_PUBTYPES_SECTION is defined.
1590 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1592 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1594 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1596 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1597 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1598 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1599 movv2si_internal): Support moves between core registers.
1601 2006-11-14 Eric Christopher <echristo@apple.com>
1603 * configure: Regenerate with autoconf 2.59.
1605 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1607 Fix PR tree-optimization/27755
1609 * tree-ssa-pre.c: Update comments.
1610 (bb_bitmap_sets): Add pa_in and deferred member.
1611 (BB_DEFERRED): New macro.
1612 (maximal_set): New variable.
1613 (pre_stats): Add pa_insert member.
1614 (bitmap_set_and): Short circuit orig == dest.
1615 (bitmap_set_subtract_values): New function.
1616 (bitmap_set_contains_expr): Ditto.
1617 (translate_vuses_through_block): Add phiblock argument.
1618 (dependent_clean): New function.
1619 (compute_antic_aux): Update for maximal_set changes.
1620 (compute_partial_antic_aux): New function.
1621 (compute_antic): Handle partial anticipation.
1622 (do_partial_partial_insertion): New function.
1623 (insert_aux): Handle partial anticipation.
1624 (add_to_sets): Add to maximal set.
1625 (compute_avail): Ditto.
1626 (init_pre): Initialize maximal_set.
1627 (execute_pre): Do partial anticipation if -O3+.
1629 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1631 PR rtl-optimization/29798
1633 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1634 TARGET_INSN before any other check.
1635 (fwprop_init): Always calculate dominators.
1636 (fwprop_done): Always free them.
1638 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1640 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1643 2006-11-13 DJ Delorie <dj@redhat.com>
1645 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1646 temporary for intermediates.
1648 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1650 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1651 (sh_optimize_target_register_callee_saved): #if 0 the code
1652 using NOTE_INSN_LOOP_{BEG,END}.
1654 2006-11-13 Roger Sayle <roger@eyesopen.com>
1656 * fold-const.c (optimize_bit_field_compare): Recursively call
1657 fold when simplifying non-constant comparisons between bit-fields.
1659 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1661 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1663 * configure: Rebuilt.
1665 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1667 * config/rs6000/cell.md: New file.
1668 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1670 (ppccell_cost): New cost matrix.
1671 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1672 (rs6000_override_options): Set rs6000_always_hint to false
1673 for cell. Also align functions/lables/loops to 8byte
1674 for the Cell. Use PROCESSOR_CELL.
1675 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1676 using_mtcr_multiple.
1677 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1678 on the Cell, return 0.
1679 (rs6000_adjust_cost): Add Cell cost adjustments.
1680 (is_microcoded_insn): Return true for Cell microcoded
1682 (is_nonpipeline_insn): New function.
1683 (rs6000_issue_rate): Add PROCESSOR_CELL.
1684 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1686 (rs6000_use_sched_lookahead_guard): New function.
1687 (rs6000_sched_reorder): Reorder the ready list, if the second
1688 to last ready insn is a nonepipeline insn on the Cell.
1689 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1690 (ASM_CPU_SPEC): Add Cell.
1691 * config/rs6000/rs6000.md (cpu): Add Cell.
1692 (cell_micro): New Attr.
1695 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1697 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1699 * configure: Rebuilt.
1701 2006-11-13 Richard Guenther <rguenther@suse.de>
1703 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1705 (ix86_expand_lfloorceil): Likewise.
1706 (ix86_expand_rint): Likewise.
1707 (ix86_expand_floorceildf_32): Likewise.
1708 (ix86_expand_floorceil): Likewise.
1709 (ix86_expand_rounddf_32): Likewise.
1710 (ix86_expand_truncdf_32): Likewise.
1711 (ix86_expand_round): Likewise.
1713 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1714 Mark Mitchell <mark@codesourcery.com>
1716 * gcc.c: Organize search path variables into $prefix relative,
1717 and well-known native. Add comments.
1718 (add_sysrooted_prefix): Add comment.
1719 (process_command): If !gcc_exec_prefix add $prefix based paths.
1720 If *cross_compile == '0', add native well-known paths.
1721 Assert tooldir_base_prefix is always relative.
1722 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1723 use this value for 'install:' path.
1724 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1726 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1728 * config/i386/i386.c: Fix a typo in comment.
1730 2006-11-13 Michael Matz <matz@suse.de>
1732 * genemit.c (gen_expand): Allocate enough memory.
1734 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1736 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1737 __GXX_TYPEINFO_EQUALITY_INLINE but not
1738 __GXX_MERGED_TYPEINFO_NAMES.
1739 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1740 __GXX_MERGED_TYPEINFO_NAMES.
1741 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1742 __GXX_TYPEINFO_EQUALITY_INLINE.
1744 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1745 Zdenek Dvorak <dvorakz@suse.cz>
1747 PR tree-optimization/29680
1748 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1751 2006-11-12 Jason Merrill <jason@redhat.com>
1752 Andrew Pinski <pinskia@physics.uc.edu>
1755 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1757 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1759 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1760 * tree.c (build_vector): Handle non-_CST elements.
1762 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1764 * genemit.c (gen_insn): Call gen_exp with a non-null used
1765 when handling multiple insns.
1766 (gen_expand): Likewise.
1767 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1768 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1769 (movsi_const_16bit+1): Copy operands[1].
1770 (call_pcrel): Copy the call_site pattern.
1771 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1773 2006-11-12 Roger Sayle <roger@eyesopen.com>
1775 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1776 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1777 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1778 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1780 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1782 Fix PR tree-optimization/29587
1783 * tree-ssa-structalias.c (process_constraint): Don't
1784 mark address taken due only to escaped vars constraint.
1786 2006-11-12 Michael Matz <matz@suse.de>
1787 Roger Sayle <roger@eyesopen.com>
1789 PR rtl-optimization/29797
1790 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1791 BITS_BIG_ENDIAN targets.
1793 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1795 * builtins.c (fold_builtin_cosh): New.
1796 (fold_builtin_1): Use it.
1797 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1798 trunc to the list of "odd" functions. Also add llrint, lrint,
1799 rint and nearbyint when flag_rounding_math is false.
1801 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1803 * tree-flow.h (name_mappings_registered_p): Declare.
1804 * tree-into-ssa.c (name_mappings_registered_p): New function.
1805 * tree-cfg.c (tree_can_merge_blocks_p): Check
1806 name_mappings_registered_p instead of need_ssa_update_p.
1808 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1810 * tree-ssa-loop.c (tree_vectorize): Return the result of
1812 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1813 if anything changed.
1814 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1815 * tree-flow.h (vectorize_loops): Declaration changed.
1817 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1819 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1821 (issue_prefetch_ref): Move assignment to write_p out of loop.
1822 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1823 SIMULTANEOUS_PREFETCHES into account.
1824 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1825 * lambda-code.c (lcm): Renamed to ...
1826 (least_common_multiple): ... and exported.
1827 * tree-flow.h (least_common_multiple): Declare.
1829 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1831 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1832 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1833 ud-chains. Handle AND_EXPR.
1834 (record_estimate): Record whether the estimate is realistic
1835 and whether it is derived from a loop exit.
1836 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1837 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1839 (compute_estimated_nb_iterations): Take only realistic bounds into
1840 account. Set estimate_state. Use double_ints.
1841 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1842 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1843 that do not have to be always executed.
1844 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1845 to determine whether to call infer_loop_bounds_from_undefined
1846 and compute_estimated_nb_iterations.
1847 (n_of_executions_at_most): Use double_ints.
1848 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1849 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1850 * double-int.c (double_int_to_tree): Improve comment.
1851 (double_int_fits_to_tree_p): New function.
1852 * double-int.h (double_int_fits_to_tree_p): Declare.
1853 * tree-data-ref.c: Include langhooks.h.
1854 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1855 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1856 (analyze_array): Do not pass estimate_only argument to
1857 analyze_array_indexes.
1858 (get_number_of_iters_for_loop): Build tree from the stored double_int
1860 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1861 (find_data_references_in_loop): Use find_data_references_in_stmt.
1862 * tree-data-ref.h (struct data_ref_loc_d): New.
1863 (get_references_in_stmt): Declare.
1864 (estimate_iters_using_array): Declaration removed.
1865 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1866 double_int. Improve comments. Add is_exit and realistic
1868 (struct loop): Changed type of estimated_nb_iterations to double_int.
1869 Added estimate_state field.
1870 (record_estimate): Declaration removed.
1872 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1874 * params.c (set_param_value): Initialize the "set" field.
1875 * params.h (struct param_info): Add "set" field.
1876 (PARAM_SET_P): New macro.
1877 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1878 L1_CACHE_LINE_SIZE): New macros.
1879 * toplev.c (DEFPARAM): Initialize the "set" field.
1880 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1881 SIMULTANEOUS_PREFETCHES): Removed.
1882 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1883 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1884 * config/sparc/sparc.c: Include params.h.
1885 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1886 L1_CACHE_LINE_SIZE parameters.
1887 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1889 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1891 * config/i386/i386.c: Include params.h.
1892 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1893 (override_options): Set SIMULTANEOUS_PREFETCHES and
1894 L1_CACHE_LINE_SIZE parameters.
1895 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1896 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1897 L1_CACHE_LINE_SIZE parameters.
1898 * config/ia64/ia64.c (ia64_optimization_options): Set
1899 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1900 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1902 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1903 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1904 * doc/invoke.texi: Document new params.
1906 2006-11-12 Roger Sayle <roger@eyesopen.com>
1908 PR tree-optimization/13827
1909 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
1912 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1914 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
1915 update_single_exit_for_duplicated_loops): New functions.
1916 (duplicate_loop_to_header_edge): Use
1917 update_single_exit_for_duplicated_loops.
1918 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
1919 functions only with ENABLE_CHECKING.
1921 2006-11-12 Andreas Schwab <schwab@suse.de>
1923 * except.c (sjlj_emit_function_enter): Remove unused variable.
1925 2006-11-11 Roger Sayle <roger@eyesopen.com>
1927 * fold-const.c (int_binop_types_match_p): New function.
1928 (size_binop): Relax constraint that both arguments must both have
1929 exactly the same sizetype type. Instead use int_binop_types_match_p.
1930 (size_diffop): Likewise.
1932 (make_range): Use build_int_cst instead of fold_convert.
1933 (fold_cond_expr_with_comparison): Use build_int_cst to construct
1934 integer constants of the correct type.
1935 (fold_div_compare): Likewise.
1936 (fold_single_bit_test): Likewise.
1937 (fold_binary): Likewise.
1938 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
1939 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
1941 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
1944 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
1945 non null value if the struct memory access is in the 0th
1948 2006-11-12 Jie Zhang <jie.zhang@analog.com>
1951 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1952 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1955 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
1956 instead of builtin_define for bfin and BFIN.
1958 2006-11-11 Jie Zhang <jie.zhang@analog.com>
1960 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
1963 2006-11-11 Jan Hubicka <jh@suse.cz>
1965 * extend.texi (__builtin_expect): We no longer require second argument
1967 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
1968 * builtins.c (expand_builtin_expect): Simplify.
1969 (expand_builtin_expect_jump): Kill.
1970 * final.c (final_scan_insn): Do not skip the removed notes.
1971 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
1972 EXPECTED_VALUE): Remove.
1973 * dojump.c (do_jump): Do not care about __builtin_expect.
1974 * predict.c (expected_value_to_br_prob): Kill.
1975 * function.c (expand_function_end): Do not expand
1976 NOTE_INSN_REPEATED_LINE_NUMBER.
1977 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
1978 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
1979 * cfgexpand.c (add_reg_br_prob_note): Export.
1980 * cfgcleanup.c (rest_of_handle_jump2): Do not call
1981 expected_value_to_br_prob.
1982 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
1983 * rtl.h (add_reg_br_prob_note): Declare.
1985 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1987 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
1989 2006-11-11 Jan Hubicka <jh@suse.cz>
1991 * predict.c (predict_loops): Kill RTL variant.
1993 2006-11-11 Jan Hubicka <jh@suse.cz>
1995 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
1996 * modulo-sched.c (find_line_note): Remove.
1997 (loop_canon_p): Do not worry about line number notes.
1998 (sms_schedule): Likewise.
1999 * cse.c (cse_main): Likewise.
2000 * regmove.c (fixup_match_1): Likewise
2001 * function.c (emit_return_info_block): Likewise.
2002 (expand_function_end): Likewise.
2003 (thread_prologue_an_epilogue_insns): Likewise.
2004 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2006 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2007 emit_note_copy_after): Kill.
2008 (emit_note_copy): Do not worry about line numbers.
2009 * jump.c (purge_line_number_notes): Kill.
2010 (pass_purge_lineno_notes): Kill.
2011 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2013 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2014 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2015 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2016 * tree-pass.h (pass_purge_lineno_notes): Kill.
2017 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2018 rm_redundant_line_notes.
2019 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2020 rm_redundant_line_notes.
2021 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2022 * haifa-sched.c: Update comment about handling notes.
2023 (unlink_line_notes): Kill.
2024 (rm_line_notes): Kill.
2025 (save_line_notes): Simplify.
2026 (rm_redundant_line_notes): Kill.
2028 2006-11-11 Richard Guenther <rguenther@suse.de>
2030 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2031 Remove unused tree codes.
2032 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2033 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2034 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2035 * tree.c (stabilize_reference): Likewise.
2036 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2037 fold_unary): Likewise.
2038 * tree-gimple.c (is_gimple_cast): Likewise.
2039 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2040 * expr.c (expand_expr_real_1): Likewise.
2041 * tree-eh.c (tree_could_trap_p): Likewise.
2042 * gimplify.c (gimplify_expr): Likewise.
2043 * tree-inline.c (estimate_num_insns_1): Likewise.
2044 * tree-cfg.c (verify_expr): Likewise.
2046 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2048 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2049 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2050 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2052 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2055 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2056 constraints accept neither registers or memories.
2058 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2060 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2061 (NO_PROFILE_COUNTERS): Define as 1.
2063 2006-11-10 Roger Sayle <roger@eyesopen.com>
2065 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2066 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2068 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2070 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2072 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2074 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2075 (fold_builtin_hypot): Likewise.
2076 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2078 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2080 2006-11-10 Roger Sayle <roger@eyesopen.com>
2082 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2083 when attempting to build INTEGER_CSTs of non-integral types.
2084 * expmed.c (make_tree): Use the correct type, i.e. the inner
2085 type, when constructing the individual elements of a CONST_VECTOR.
2087 2006-11-10 Jan Hubicka <jh@suse.cz>
2089 * cse.c (cse_process_notes): Copy the propagated value.
2090 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2092 * gcse.c (try_replace_reg): Copy the replacement.
2093 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2094 (assign_386_stack_local): Always return copied memory expression
2095 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2098 2006-11-10 Jan Hubicka <jh@suse.cz>
2100 * final.c (final): Walk from first instruction.
2101 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2103 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2106 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2108 (umulv8hi3_highpart): Ditto.
2109 (vec_widen_smult_hi_v8hi): New expander.
2110 (vec_widen_smult_lo_v8hi): Ditto.
2112 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2115 * builtins.c (do_mpfr_arg3): New.
2116 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2118 2006-11-09 Eric Christopher <echristo@apple.com>
2123 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2124 * config.gcc (powerpc64-*-darwin*): New target.
2125 * config.host: Ditto.
2126 * config/rs6000/darwin64.h: New file.
2127 * config/rs6000/x-darwin64: Ditto.
2128 * config/rs6000/host-ppc64-darwin.c: Ditto.
2130 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2132 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2133 routines for integer division.
2135 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2137 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2139 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2142 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2144 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2146 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2147 simplify_subreg with BLKmode outer mode.
2149 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2151 * doc/invoke.texi: Minor formatting fixes in option lists.
2153 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2155 PR tree-optimization/29738
2156 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2157 (ccp_lattice_t): Remove UNKNOWN_VAL.
2158 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2159 Do not handle UNKNOWN_VAL.
2160 (get_default_value): Set initial value of virtual operands to
2162 (get_value): Always use get_default_value on uninitialized
2164 (set_value_varying, surely_varying_stmt_p): New functions.
2165 (set_lattice_value): Do not pass argument to get_value.
2166 Do not handle UNKNOWN_VAL.
2167 (likely_value): Follow the semantics described in the comment.
2168 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2169 phi nodes DONT_SIMULATE_AGAIN.
2170 (ccp_fold): Do not pass argument to get_value.
2171 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2174 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2176 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2177 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2179 2006-11-08 Roger Sayle <roger@eyesopen.com>
2181 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2182 test for inclusion rather than as a test for exclusion.
2183 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2184 the condition after calling fold_binary.
2185 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2186 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2187 * builtins.c (fold_builtin_isascii): Likewise.
2188 (fold_builtin_isdigit): Likewise.
2190 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2192 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2193 * configure: Regenerate.
2195 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2197 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2198 enum argument instead of bool.
2199 (vect_analyze_operations): Call vectorizable_type_promotion.
2200 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2201 stmt_vec_info_type value.
2202 (supportable_widening_operation, vectorizable_type_promotion): New
2203 function declarations.
2204 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2205 (vectorizable_type_promotion): New function.
2206 (vect_transform_stmt): Call vectorizable_type_promotion.
2207 * tree-vect-analyze.c (supportable_widening_operation): New function.
2208 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2210 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2213 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2214 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2215 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2217 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2218 * expr.c (expand_expr_real_1): Likewise.
2219 * optabs.c (optab_for_tree_code): Likewise.
2220 (init_optabs): Initialize new optabs.
2221 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2222 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2223 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2224 vec_unpacku_lo_optab): Initialize new optabs.
2225 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2226 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2227 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2229 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2230 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2231 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2232 (vec_unpacku_lo_optab): New optabs.
2233 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2234 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2235 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2236 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2237 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2238 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2240 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2241 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2242 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2243 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2244 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2245 implement the unsigned unpacking patterns.
2246 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2247 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2248 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2249 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2250 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2251 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2252 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2253 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2254 multiplication patterns.
2256 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2257 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2258 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2259 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2260 (rs6000_builtin_mul_widen_odd): New.
2261 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2262 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2263 * tree-vectorizer.h (enum vect_relevant): New enum type.
2264 (_stmt_vec_info): Field relevant chaned from bool to enum
2266 (STMT_VINFO_RELEVANT_P): Updated.
2267 (STMT_VINFO_RELEVANT): New.
2268 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2269 instead of STMT_VINFO_RELEVANT_P.
2270 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2271 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2272 and boolean variable with enum vect_relevant.
2273 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2274 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2275 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2277 2006-11-08 Richard Henderson <rth@redhat.com>
2279 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2280 vec_widen_umult_lo_v8hi): New.
2281 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2282 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2284 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2285 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2286 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2287 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2288 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2289 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2290 vec_unpacks_lo_v4si): New.
2292 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2294 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2295 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2296 (vect_analyze_operations): Call vectorizable_type_demotion.
2297 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2298 stmt_vec_info_type value.
2299 (vectorizable_type_demotion): New function declaration.
2300 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2303 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2304 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2306 * tree-iniline.c (estimate_num_insns_1): Likewise.
2307 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2308 * optabs.c (optab_for_tree_code): Likewise.
2310 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2311 compared against the predicate of the result is not 'mode' (the input
2312 to the function) but a mode with half the size of 'mode'.
2313 (init_optab): Initialize new optabs.
2314 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2316 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2318 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2319 (vec_pack_usat_optab): Initialize new optabs.
2320 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2321 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2323 2006-11-08 Richard Henderson <rth@redehat.com>
2325 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2326 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2327 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2328 (vec_interleave_highv4si, vec_interleave_lowv4si):
2329 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2331 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2333 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2335 (vect_transform_stmt): Removed redundant code.
2337 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2339 * tree-vect-transform.c (vectorizable_operation): Support multiple
2342 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2344 * tree-vect-transform.c (vect_align_data_ref): Removed.
2345 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2346 Updated function documentation. Return the increment stmt in ptr_incr.
2347 (bump_vector_ptr): New function.
2348 (vect_get_vec_def_for_stmt_copy): New function.
2349 (vect_finish_stmt_generation): Create a stmt_info to newly created
2351 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2353 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2354 VF is greater than the number of elements that can fit in one vector
2356 (vectorizable_operation, vectorizable_condition): Likewise.
2357 (vectorizable_store, vectorizable_load): Support the case that the VF
2358 is greater than the number of elements that can fit in one vector word.
2359 (vect_transform_loop): Don't fail in case of multiple data-types.
2360 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2361 in case of multiple data-types; the smallest type determines the VF.
2362 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2363 if they are of different sizes.
2364 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2365 number of elements rather than number of bytes.
2366 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2367 (vect_can_advance_ivs_p): Fix a dump printout
2369 2006-11-07 Eric Christopher <echristo@apple.com>
2371 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2372 (__bswapsi2): Ditto.
2373 * libgcc2.h: Remove transformation of bswap routines.
2374 * config/i386/i386.md (bswapsi2): New.
2377 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2379 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2380 (handle_gnu_inline_attribute): New function.
2381 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2382 (merge_decls, start_decl, start_function): Likewise.
2383 * doc/extend.texi: Document gnu_inline attribute.
2385 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2388 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2389 _fixunstfdi, and _floatditf
2391 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2393 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2395 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2396 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2397 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2398 which start in an odd register.
2400 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2402 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2404 2006-11-07 Josh Conner <jconner@apple.com>
2406 * doc/invoke.texi (fstrict-aliasing): Move implementation
2408 * doc/tree-ssa.texi (Alias analysis): ...here.
2410 2006-11-07 Richard Guenther <rguenther@suse.de>
2412 PR tree-optimization/29610
2413 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2414 of tree_purge_dead_eh_edges as it may free dominators.
2416 * g++.dg/other/pr29610.C: New testcase.
2418 2006-11-07 David Ung <davidu@mips.com>
2420 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2421 costs when optimizing for size.
2422 (override_options): Use mips_rtx_cost_optimize_size table for cost
2425 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2427 * gcc.c (process_command): Treat -b as normal switch if its argument
2430 2006-11-07 David Ung <davidu@mips.com>
2432 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2435 2006-11-06 Eric Christopher <echristo@apple.com>
2437 * config.gcc: Add x86_64-darwin host support.
2438 * config.host: Ditto.
2439 * config/i386/darwin64.h: New file.
2440 * config/i386/t-darwin64: Ditto.
2442 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2444 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2445 and output-exists-not.
2447 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2450 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2451 checking for overflow.
2453 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2455 * configure.ac: Fixed typo in case statement: :: changed to ;;
2457 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2459 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2460 count_leading_zeros, and count_trailing_zeros.
2461 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2462 (TARGET_FOLD_BUILTIN): Define.
2463 (TARGET_EXPAND_BUILTIN): Define.
2464 (xtensa_init_builtins): New.
2465 (xtensa_fold_builtin): New.
2466 (xtensa_expand_builtin): New.
2467 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2468 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2469 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2470 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2471 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2472 (any_extend): New code macro.
2473 (u, su): New code attributes.
2474 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2475 (nsau): Remove; replaced by clzsi2.
2476 (ffssi2): Use clzsi2.
2477 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2478 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2479 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2480 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2481 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2483 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2485 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2487 * config/arm/t-strongarm-elf: Likewise.
2488 * config/arm/t-pe: Likewise.
2489 * config/arm/t-arm-elf: Likewise.
2490 * config/arm/t-xscale-elf: Likewise.
2491 * config/arm/t-arm-coff: Likewise.
2492 * config/arm/t-xscale-coff: Likewise.
2493 * config/arm/t-wince-pe: Likewise.
2495 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2497 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2500 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2503 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2506 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2509 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2510 as a valid 80387 constant.
2511 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2512 * config/i386/i386.md (unnamed splitter): Split the load of
2513 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2516 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2518 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2519 from the soft-frame, argument and virtual registers.
2521 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2523 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2524 patterns for standard 80387 constants.
2526 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2527 Steven Bosscher <steven@gcc.gnu.org>
2529 * fwprop.c: New file.
2530 * Makefile.in: Add fwprop.o.
2531 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2532 * passes.c (init_optimization_passes): Schedule forward propagation.
2533 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2535 * timevar.def (TV_FWPROP): New.
2536 * common.opt (-fforward-propagate): New.
2537 * opts.c (decode_options): Enable forward propagation at -O2.
2538 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2539 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2540 canon_for_address, table_size): Remove.
2541 (new_basic_block, insert, remove_from_table): Remove references to
2543 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2544 simplification loop more straightforward by not calling fold_rtx
2546 (equiv_constant): Move here a small part of fold_rtx_subreg,
2547 do not call fold_rtx. Call avoid_constant_pool_reference
2549 * recog.h (canonicalize_change_group): New.
2551 * doc/invoke.texi (Optimization Options): Document fwprop.
2552 * doc/passes.texi (RTL passes): Document fwprop.
2554 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2556 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2557 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2558 (grokdeclarator): Likewise.
2560 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2562 * tree-dump.c (dump_enable_all): Rename local variable
2563 ir_type to avoid name conflicts.
2564 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2565 instead of using ir_type().
2566 * profile.c (tree_register_profile_hooks): Likewise.
2567 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2568 * basic-block.h (struct edge_def): Likewise.
2569 * config/arm/arm.c (legitimize_pic_address): Likewise.
2570 * coretypes.h (ir_type): New enum of all intermediate languages
2572 * cfghooks.c (ir_type): Rename to...
2573 (current_ir_type): ...this. Distinguish between cfgrtl and
2574 cfglayout mode when the current IR is RTL. Return enum ir_type.
2575 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2577 2006-11-03 Paul Brook <paul@codesourcery.com>
2579 * config/arm/arm.c (arm_file_start): New function.
2580 (TARGET_ASM_FILE_START): Define.
2581 (arm_default_cpu): New variable.
2582 (arm_override_options): Set arm_default_cpu.
2584 2006-11-03 David Ung <davidu@mips.com>
2586 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2587 PROCESSOR_24KC and PROCESSOR_24KF.
2588 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2589 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2590 (mips_rtx_cost_data): Add costs for the 24kc.
2591 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2592 * config/mips/24k.md: Remove references to 24k and replace with
2593 uses of 24kc/24kf in the appropriate reservations.
2594 * doc/invoke.texi (MIPS Options): Updated.
2596 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2598 * config/sh/crt1.asm: Fix #ifdef indent.
2600 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2601 Merged from STMicroelectronics sources:
2602 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2603 * config/sh/crt1.asm (vbr_600): Add missing #if.
2604 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2605 * sh.opt (mfused-madd): New option.
2606 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2607 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2608 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2609 Remove pointless handler at VBR+0.
2610 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2611 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2612 fr7. Make sure the timer handler is called with the correct FPU
2613 precision setting, according to the ABI.
2614 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2615 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2616 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2617 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2618 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2619 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2620 zero as second operand.
2621 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2622 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2623 Fixed some bugs related to negative values, in particular -0
2624 and overflow at -0x80000000.
2625 * config/sh/divcost-analysis: Added sh4-300 figures.
2626 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2627 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2628 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2629 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2630 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2631 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2633 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2635 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2636 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2637 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2638 mac_mem, mem_mac, dfp_mul, fp_cmp.
2639 (insn_class, dfp_comp, any_fp_comp): Update.
2640 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2641 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2642 (muldf3_i): Likewise.
2643 (movsi_i): Split rI08 alternative into two separate alternatives.
2645 (movsi_ie, movsi_i_lowpart): Likewise.
2646 (movqi_i): Split ri alternative into two separate alternatives.
2648 * sh1.md (sh1_load_store, sh1_fp): Update.
2649 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2650 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2651 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2652 (sh4a_fp_double_arith): Likewise.
2653 * sh4-300.md: New file.
2654 * sh.c (sh_handle_option): Handle m4-300* options.
2655 (sh_adjust_cost): Fix latency of auto-increments.
2656 Handle SH4-300 differently than other SH4s. Check for new insn types.
2657 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2658 been set by an option.
2659 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2660 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2661 (mbranch-cost=): Likewise.
2662 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2664 * sh.md (mulsf3): Remove special expansion code.
2665 (mulsf3_ie): Now a define_insn_and_split.
2666 (macsf3): Allow for TARGET_SH4.
2668 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2669 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2670 (expand_cbranchdi4): Likewise.
2671 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2672 CONST_DOUBLE if the outer code is COMPARE.
2673 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2674 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2675 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2676 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2677 Remove redundant fp_{zero,one}_operand checks.
2678 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2679 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2680 (expand_cbranchdi4): Likewise.
2681 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2682 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2684 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2686 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2689 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2691 * doc/invoke.texi: Fix mfp-trap-mode typo.
2693 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2695 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2696 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2697 file_end_indicate_exec_stack.
2698 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2700 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2701 for a non-executable stack.
2702 * crti.asm: Likewise.
2703 * crtn.asm: Likewise.
2704 * libunwind.S: Likewise.
2706 2006-11-02 Ben Elliston <bje@au.ibm.com>
2708 * tree-ssa.c (warn_uninit): Use expand_location variables for
2709 locus and declaration locus.
2711 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2714 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2715 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2716 cmp{eq,gt,gtu}{si,di}_media.
2717 (*cmpne0si_media): Remove.
2718 (*movsicc_umin): Adjust gen_cmp*_media call.
2719 (unordered): Change the mode of unordered and operands[1] to
2721 (seq): Adjust gen_cmp*_media calls. Make the mode of
2722 a temporary result of compare SImode if needed. If the mode
2723 of operands[0] is DImode, extend the temporary result to DImode.
2724 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2725 (sunorderd): Change the mode of match_operand and unorderd to
2727 (cmpeq{sf,df}_media): Remove.
2728 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2729 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2730 and compare operation to SImode.
2732 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2734 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2736 (sparc64-sun-solaris2*): Likewise.
2738 2006-11-02 Paul Brook <paul@codesourcery.com>
2740 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2741 from priority argument. Use different section for non-default
2743 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2745 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2748 * except.c (switch_to_exception_section): Do not cache the section
2749 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2750 and flag_function_sections is set.
2752 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2755 * builtins.c (do_mpfr_sincos): New.
2756 (fold_builtin_1): Use it to fold builtin sincos.
2758 2006-11-01 Roger Sayle <roger@eyesopen.com>
2760 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2761 it into -D_REENTRANT.
2763 2006-11-01 Roger Sayle <roger@eyesopen.com>
2765 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2766 whether the assembler supports taking the difference of symbols in
2767 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2768 * configure: Regenerate.
2769 * config.in: Regenerate.
2770 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2771 the assembler doesn't support taking the difference of symbols in
2772 different sections, i.e. we're using the native solaris assembler.
2774 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2775 Peter Bergner <bergner@vnet.ibm.com>
2777 * doc/invoke.texi: Add cpu_type power6x
2778 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2779 * config.gcc: Add cpu_type power6x.
2780 * configure.ac: Add test for mf{t,f}gpr instructions.
2781 (HAVE_AS_MFPGPR): New.
2782 * config.in: Regenerate.
2783 * configure: Regenerate.
2784 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2785 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2786 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2787 and mftgpr attributes.
2788 (define_attr "cpu"): Add power6.
2789 Change instruction sequences to use new attributes.
2790 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2791 (fix_truncdfsi2_mfpgpr): New.
2792 (floatsidf_ppc64_mfpgpr): New.
2793 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2794 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2795 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2796 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2797 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2798 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2799 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2800 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2801 cntlz,exts and var_delayed_compare.
2802 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2803 _ARCH_PWR6X, if features enabled.
2804 * config/rs6000/rs6000.opt (mmfpgpr): New.
2805 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2806 (cached_can_issue_more): New variable.
2807 (processor_costs): Add power6_cost.
2808 (rs6000_sched_init): New function.
2809 (is_dispatch_slot_restricted): Deleted.
2810 (set_to_load_agen): New function.
2811 (is_load_insn,is_store_insn): New functions.
2812 (adjacent_mem_locations): New function.
2813 (insn_must_be_first_in_group): New function.
2814 (insn_must_be_last_in_group): New function.
2815 (rs6000_sched_reorder): New function.
2816 (rs6000_sched_reorder2): New function.
2817 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2818 TARGET_SCHED_REORDER2): Define.
2819 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2820 Add power6x. Add MASK_MFPGPR for power6x.
2821 (POWERPC_MASKS): Add MASK_MFPGPR.
2822 (rs6000_override_options): Set rs6000_always_hint to false
2823 for power6. Set rs6000_align_branch_targets. Replace
2824 rs6000_sched_groups check with rs6000_align_branch_targets.
2825 Use PROCESSOR_POWER6.
2826 (last_scheduled_insn): New variable.
2827 (load_store_pendulum): New variable.
2828 (rs6000_variable_issue): Set last_scheduled_insn and
2829 cached_can_issue_more.
2830 (rs6000_adjust_cost): Add power6 cost adjustments.
2831 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2832 with insn_must_be_first_in_group. Add power6 priority adjustments.
2833 (rs6000_issue_rate): Add CPU_POWER6.
2834 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2835 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2836 (TARGET_MFPGPR): New.
2837 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2838 (ASM_CPU_SPEC): Add power6x.
2839 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2841 * config/rs6000/power6.md: New file.
2843 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2845 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2846 HOST_WIDE_INT_PRINT to print high and low parts. Use
2847 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2848 printing a hexadecimal number prefix it with 0x.
2850 2006-11-01 Chris Johns <chris@contemporary.net.au>
2853 * Makefile.in (install-driver): Use exeext when installing
2854 $target-gcc-$version.
2856 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2858 * c-common.c (flag_cpp0x): New.
2859 * c-common.h (flag_cpp0x): New.
2860 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2861 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2862 * c-opts.c (set_std_cxx0x): New.
2863 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2864 * c.opt (std=c++0x): Document.
2865 (std=gnu++0x): Ditto.
2866 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2867 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2869 2006-11-01 Richard Guenther <rguenther@suse.de>
2871 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2873 (ix86_expand_floorceildf_32): Likewise.
2874 (ix86_expand_floorceil): Likewise.
2875 (ix86_expand_trunc): Likewise.
2877 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2879 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2882 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2884 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2886 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2888 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2890 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2891 * configure.ac (use_cxa_atexit): As a special case, don't test
2892 for libc definition of __cxa_atexit on mingw32
2893 * configure: Regenerate.
2894 * config.gcc (i[34567]86-pc-mingw32): Default to
2895 enable__cxa_atexit=yes.
2897 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2899 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2901 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2904 * c-decl.c (start_struct): Don't create self-containing
2906 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2908 * config/rs6000/rs6000-protos.h
2909 (darwin_rs6000_special_round_type_align): New.
2910 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
2911 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
2913 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2915 * toplev.c (compile_file): Call final_write_globals
2916 even if there have been errors.
2918 2006-10-31 Eric Christopher <echristo@apple.com>
2919 Falk Hueffner <falk@debian.org>
2921 * doc/extend.texi (__builtin_bswap32): Document.
2922 (__builtin_bswap64): Ditto.
2923 * doc/libgcc.texi (bswapsi2): Document.
2925 * doc/rtl.texi (bswap): Document.
2926 * optabs.c (expand_unop): Don't widen a bswap.
2927 (init_optabs): Init bswap. Set libfuncs explicitly
2928 for bswapsi2 and bswapdi2.
2929 * optabs.h (OTI_bswap): New.
2930 (bswap_optab): Ditto.
2931 * genopinit.c (optabs): Handle bswap_optab.
2932 * tree.h (tree_index): Add TI_UINT32_TYPE and
2934 (uint32_type_node): New.
2935 (uint64_type_node): Ditto.
2936 * tree.c (build_common_tree_nodes_2): Initialize
2937 uint32_type_node and uint64_type_node.
2938 * builtins.c (expand_builtin_bswap): New.
2939 (expand_builtin): Call.
2940 (fold_builtin_bswap): New.
2941 (fold_builtin_1): Call.
2942 * fold-const.c (tree_expr_nonnegative_p): Return true
2944 * builtin-types.def (BT_UINT32): New.
2946 (BT_FN_UINT32_UINT32): Ditto.
2947 (BT_FN_UINT64_UINT64): Ditto.
2948 * builtins.def (BUILT_IN_BSWAP32): New.
2949 (BUILT_IN_BSWAP64): Ditto.
2950 * rtl.def (BSWAP): New.
2951 * genattrtab.c (check_attr_value): New.
2952 * libgcc2.c (__bswapSI2): New.
2953 (__bswapDI2): Ditto.
2954 * libgcc2.h (__bswapSI2): Declare.
2955 (__bswapDI2): Ditto.
2956 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
2957 * simplify-rtx.c (simplify_const_unary_operation): Return
2959 * libgcc-std.ver (__bwapsi2): Add.
2960 (__bswapdi2): Ditto.
2961 * reload1.c (eliminate_regs_1): Add bswap.
2962 (elimination_effects): Ditto.
2963 * config/i386/i386.h (x86_bswap): New.
2964 (TARGET_BSWAP): Use.
2965 * config/i386/i386.c (x86_bswap): Set.
2967 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2969 * coverage.c (coverage_checksum_string): Update comment.
2970 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
2971 of get_file_function_name.
2972 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
2973 of get_file_function_name_long.
2974 * tree.c (get_file_function_name): Rename from
2975 get_file_function_name_long; improve comment; handle 'I' and 'D'
2976 specially when the target has ctor/dtor support; remove special
2978 (get_file_function_name): Remove.
2979 * tree.h (get_file_function_name): Rename from
2980 get_file_function_name_long.
2981 (get_file_function_name): Remove prototype.
2983 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2985 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
2986 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
2988 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
2989 Call dsymutil when compiling and linking one or more source files
2992 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2995 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
2997 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2999 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3000 inline static functions in c99 mode.
3003 * doc/extend.texi (Inline): Update.
3004 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3005 * c-decl.c (current_extern_inline): Delete.
3006 (pop_scope): Adjust test for an undefined nested function.
3007 Add warning about undeclared inline function.
3008 (diagnose_mismatched_decls): Update comments. Disallow overriding
3009 of inline functions in a translation unit in C99. Allow inline
3010 declarations in C99 at any time.
3011 (merge_decls): Boolize variables. Handle C99 'extern inline'
3013 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3014 C99 inline semantics.
3015 (start_function): Don't clear current_extern_inline. Don't set
3017 (c_push_function_context): Don't push current_extern_inline.
3018 (c_pop_function_context): Don't restore current_extern_inline.
3021 * c-typeck.c (build_external_ref): Warn about static variables
3022 used in extern inline functions.
3023 * c-decl.c (start_decl): Warn about static variables declared
3024 in extern inline functions.
3026 2006-10-31 Roger Sayle <roger@eyesopen.com>
3029 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3030 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3031 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3032 or y is an even integer.
3034 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3037 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3038 * gthr-posix95.h (__gthread_active_p): Likewise.
3040 2006-10-31 Richard Guenther <rguenther@suse.de>
3042 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3043 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3044 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3045 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3046 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3047 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3048 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3049 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3052 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3054 * opts.c (decode_options): Disable CSE skip blocks.
3056 2006-10-30 Dirk Mueller <dmueller@suse.de>
3058 * c-common.h (strict_aliasing_warning): Fix whitespace.
3059 * c-decl (start_function): Move code for main decl warning ..
3060 * c-common.c (check_main_parameter_types): .. here.
3061 * c-common.h (check_main_parameter_types): Declare.
3063 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3066 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3068 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3070 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3071 be a PARALLEL containing sets. Return false when out_pat is not
3074 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3076 * config/mips/mips.md (mul<mode>3): Split into...
3077 (mulsi3, muldi3): ...these separate patterns.
3079 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3081 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3082 but with each set of options separated by spaces.
3084 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3086 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3087 dwarf_reg_size_table has been initialized.
3089 2006-10-30 Roger Sayle <roger@eyesopen.com>
3091 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3092 * ddg.c (print_ddg_edge): Likewise.
3093 * dwarf2out.c (prune_unused_types_walk): Likewise.
3094 * ifcvt.c (noce_try_cmove_arith): Likewise.
3095 * langhooks.c (add_builtin_function): Likewise.
3096 * reg-stack.c (subst_stack_regs_pat): Likewise.
3097 * tree.c (expanded_location): Likewise.
3098 * tree-dump.c (dequeue_and_dump): Likewise.
3100 2006-10-30 David Daney <ddaney@avtrex.com>
3102 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3104 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3106 PR tree-optimization/29637
3107 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3108 of the innertype is the innertype itself.
3110 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3112 * dwarf2out.c (file_name_acquire): Correct typo.
3114 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3116 * tree.h (tree_value_handle): Remove struct value_set declaration.
3117 Change value_set to bitmap_set.
3118 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3119 * tree-vn.c (get_value_handle): Made inline and moved to
3121 * tree-flow-inline.h: (has_stmt_ann): New function.
3122 * tree-ssa-pre.c (expressions): New variable.
3123 (next_expression_id): Ditto.
3124 (alloc_expression_id): New function.
3125 (struct value_set): Remove.
3126 (get_expression_id): New function.
3127 (get_or_alloc_expression_id): Ditto.
3128 (expression_for_id): Ditto.
3129 (clear_expression_ids): Ditto.
3130 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3131 (bb_value_sets): Renamed to bb_bitmap_sets.
3132 All value sets replaced with bitmap_sets.
3134 (BB_VISITED): New macro.
3135 (postorder): New variable.
3136 (add_to_value): Removed.
3137 (value_exists_in_set_bitmap): Ditto.
3138 (value_insert_into_set_bitmap): Ditto.
3141 (set_remove): Ditto.
3142 (set_contains_value): Ditto.
3143 (insert_into_set): Ditto.
3145 (find_leader): Ditto.
3146 (bitmap_set_subtract_from_value_set): Ditto.
3147 (value_insert_into_set): Ditto.
3148 (print_value_set): Ditto.
3149 (debug_value_set): Ditto.
3150 (constant_expr_p): New function.
3151 (bitmap_remove_from_set): Ditto.
3152 (bitmap_insert_into_set): Ditto.
3153 (bitmap_set_free): Ditto.
3154 (vh_compare): Ditto.
3155 (sorted_array_from_bitmap_set): Ditto.
3156 (bitmap_set_subtract): Ditto.
3157 (bitmap_set_equal): Ditto.
3158 (debug_bitmap_set): Ditto.
3159 (find_leader_in_sets): Ditto.
3160 (bitmap_set_replace_value): Modify for bitmapped sets.
3161 (phi_translate): Ditto.
3162 (phi_translate_set): Ditto.
3163 (bitmap_find_leader): Ditto.
3164 (valid_in_sets): Ditto.
3165 (union_contains_value): Ditto.
3167 (compute_antic_aux): Ditto. Mark changed blocks.
3168 (compute_antic): Ditto. Iterate in postorder and only over
3170 (compute_rvuse_and_antic_safe): Reuse postorder.
3171 (create_component_ref_by_pieces): Modify for bitmapped sets.
3172 (find_or_generate_expression): Ditto.
3173 (create_expression_by_pieces): Ditto.
3174 (insert_into_preds_of_block): Ditto.
3175 (changed_blocks): New variable.
3176 (do_regular_insertion): Broken out from insert_aux.
3177 (insert_aux): Modified for bitmapped sets.
3178 (find_existing_value_expr): New function.
3179 (create_value_expr_from): Use it.
3180 (insert_extra_phis): Removed.
3181 (print_bitmap_set): Renamed from bitmap_print_value_set.
3182 (compute_avail): Handle RETURN_EXPR.
3183 (init_pre): Modify for bitmapped sets.
3184 * tree-flow.h (has_stmt_ann): New function.
3186 2006-10-29 Roger Sayle <roger@eyesopen.com>
3188 * builtins.c (fold_builtin_floor): Check for the availability of
3189 the C99 trunc function before transforming floor into trunc.
3191 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3193 * builtins.c (fold_builtin_hypot): Rearrange recursive
3194 transformation before others, and also do ABS_EXPR. When
3195 necessary, check flag_unsafe_math_optimizations. When necessary,
3198 2006-10-29 Roger Sayle <roger@eyesopen.com>
3200 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3201 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3202 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3203 Fold -X eq/ne -Y as X eq/ne Y.
3205 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3207 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3208 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3209 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3210 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3211 Use an inclusive test for "mult" rather than "mul".
3212 (rotr<mode>3): Depend on ISA_HAS_ROR.
3213 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3215 (GENERATE_MULT3_DI): Delete.
3216 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3217 (ISA_HAS_MUL3): New macro.
3218 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3219 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3220 (ISA_HAS_CLZ_CLO): Likewise.
3221 (ISA_HAS_DCLZ_DCLO): Delete.
3222 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3223 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3224 the VR4120 and VR4130.
3225 (ISA_HAS_MACCHI): Use consistent formatting.
3226 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3227 (ISA_HAS_ROR): ...this new macro.
3228 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3229 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3230 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3232 2006-10-29 Roger Sayle <roger@eyesopen.com>
3234 PR tree-optimization/15458
3235 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3238 2006-10-29 Richard Guenther <rguenther@suse.de>
3240 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3241 (ix86_expand_truncdf_32): Likewise.
3242 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3243 trunc inline for SSE math and -fno-trapping-math and if not
3244 optimizing for size.
3245 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3246 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3247 for expanding btrunc inline for SSE math.
3249 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3251 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3252 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3253 i[34567]86-*-solaris2.1[0-9]*.
3254 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3255 Define conditionally depending on TARGET_64BIT_DEFAULT.
3256 (SPEC_32, SPEC_64): Define.
3257 (LINK_SPEC): Use them.
3258 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3260 2006-10-29 Richard Guenther <rguenther@suse.de>
3262 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3263 (ix86_expand_rounddf_32): Likewise.
3264 * config/i386/i386.c (ix86_expand_round): New function expanding
3265 round inline for SSE math and -fno-trapping-math and if not
3266 optimizing for size.
3267 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3268 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3269 round via ix86_expand_round.
3271 2006-10-29 Richard Guenther <rguenther@suse.de>
3273 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3274 (ix86_expand_floorceildf_32): Likewise.
3275 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3276 static helper function.
3277 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3279 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3280 * config/i386/i386.md (floordf2): Adjust to enable floor
3281 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3282 -fno-trapping-math is enabled and if not optimizing for size.
3283 (floorsf2, ceildf2, ceilsf2): Likewise.
3284 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3285 (sse2_maskcmpdf3): Likewise.
3287 2006-10-29 Richard Guenther <rguenther@suse.de>
3289 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3290 rint in case -fno-trapping-math is enabled.
3291 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3292 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3293 (ix86_expand_sse_fabs): Likewise.
3294 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3295 * config/i386/i386.md (rintdf2): Enable for SSE math if
3296 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3297 (rintsf2): Likewise.
3299 2006-10-29 Richard Guenther <rguenther@suse.de>
3301 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3302 to conversion optabs.
3303 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3304 as conversion optab.
3305 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3306 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3307 (lfloor_optab, lceil_optab): Adjust defines.
3308 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3309 lfloor and lceil optabs now being conversion optabs.
3310 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3311 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3312 New static helper function.
3313 (ix86_expand_lfloorceil): New function to expand lfloor and
3315 * config/i386/i386.md (lfloor<mode>2): Split into ...
3316 (lfloorxf<mode>2): ... x87 variant
3317 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3318 using ix86_expand_lfloorceil.
3319 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3321 * doc/md.texi (lfloorMN, lceilMN): Document.
3323 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3325 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3326 -mno-shared assembler option on mips targets.
3327 * configure, config.in: Regenerate.
3328 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3329 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3330 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3332 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3334 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3335 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3337 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3339 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3340 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3343 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3346 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3347 (fold_builtin_pow): Evaluate constant arguments at compile-time
3349 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3350 (do_mpfr_ckconv): New helper function.
3351 (do_mpfr_arg1): Use do_mpfr_ckconv.
3352 (do_mpfr_arg2): New.
3354 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3357 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3358 (-fdump-rtl-sched): Rename to ..
3359 (-fdump-rtl-sched1): here. Also fix file extension number.
3361 2006-10-28 Richard Guenther <rguenther@suse.de>
3363 * fold-const.c (maybe_canonicalize_comparison): Fix code
3366 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3368 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3369 (NON_QI_REG_P): Use IN_RANGE.
3370 (REX_INT_REGNO_P): Use IN_RANGE.
3371 (FP_REGNO_P): Use IN_RANGE.
3372 (SSE_REGNO_P): Use IN_RANGE.
3373 (REX_SSE_REGNO_P): Use IN_RANGE.
3374 (MMX_REGNO_P): Use IN_RANGE.
3375 (STACK_REGNO_P): New macro.
3376 (STACK_REG_P): Use STACK_REGNO_P.
3377 (NON_STACK_REG_P): Use STACK_REGNO_P.
3378 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3379 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3380 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3381 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3382 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3384 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3386 * except.h (output_function_exception_table): Add 'const char*' param.
3387 * except.c (switch_to_exception_section): Add 'const char*' param.
3388 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3389 and flag_function_sections is set, use a function-specific section.
3390 (output_function_exception_table): Add 'const char*' param.
3391 Adjust call to switch_to_exception_section.
3392 * final.c (rest_of_handle_final): Adjust calls to
3393 output_function_exception_table.
3394 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3395 * config.in: Regenerate.
3396 * configure: Likewise.
3398 2006-10-28 Richard Guenther <rguenther@suse.de>
3401 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3402 for maybe_canonicalize_comparison.
3403 (maybe_canonicalize_comparison): New function for canonicalizing
3405 (fold_comparison): Call it to canonicalize comparisons with
3408 2006-10-28 Richard Guenther <rguenther@suse.de>
3411 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3412 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3413 (expand_builtin): Adjust likewise.
3414 * genopinit.c (optabs[]): Add lround optab.
3415 * optabs.c (init_optabs): Initialize lround_optab.
3416 * optabs.h (enum convert_optab_index): Add COI_lround.
3417 (lround_optab): Define.
3418 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3419 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3421 (ix86_expand_lround): New function.
3422 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3424 * doc/md.texi (lroundMN2): Document.
3426 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3429 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3430 argument to HOST_WIDE_INT. Update function prototype.
3431 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3432 "size" argument to HOST_WIDE_INT. Update function prototype.
3434 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3436 * config/i386/i386.c (output_387_ffreep): Create output from a
3437 template string for !HAVE_AS_IX86_FFREEP.
3439 2006-10-27 Eric Christopher <echristo@apple.com>
3441 * config/darwin.c: Fix formatting and grammar.
3443 2006-10-27 Jan Hubicka <jh@suse.cz>
3445 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3446 to be thrown away soon when IGNORE is set.
3447 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3448 indicating when return value shall not be computed.
3449 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3451 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3453 * config/i386/i386.h (TARGET_GEODE):
3454 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3455 (TARGET_CPU_DEFAULT_geode): New macro.
3456 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3457 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3458 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3459 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3460 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3462 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3463 (processor_type): Add PROCESSOR_GEODE.
3465 * config/i386/i386.md: Include geode.md.
3468 * config/i386/i386.c (geode_cost): New initialized global
3470 (m_GEODE, m_K6_GEODE): New macros.
3471 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3472 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3473 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3474 x86_schedule): Use m_K6_GEODE instead of m_K6.
3475 (x86_movx, x86_cmove): Set up m_GEODE.
3476 (x86_integer_DFmode_moves): Clear m_GEODE.
3477 (processor_target_table): Add entry for geode.
3478 (processor_alias_table): Ditto.
3480 * config/i386/geode.md: New file.
3482 * doc/invoke.texi: Add entry about geode processor.
3484 2006-10-27 Mike Stump <mrs@apple.com>
3486 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3487 __DYNAMIC__ from here back to ...
3488 * config/darwin.h (CPP_SPEC): ... here.
3490 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3491 Nathan Sidwell <nathan@codesourcery.com>
3493 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3494 when choosing the minimum heapsize.
3496 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3498 * gcc/unwind-dw2.h: Move cfa-related variables into
3499 struct frame_state_reg_info to ensure that the CFA is properly
3500 handled when executing DW_CFA_{remember,restore}_state.
3501 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3502 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3503 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3504 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3505 gcc/config/rs6000/linux-unwind.h,
3506 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3507 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3508 Modify to use new cfa_* fields.
3510 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3512 * config/s390/s390.c (s390_init_frame_layout): Check positive
3515 2006-10-26 Ben Elliston <bje@au.ibm.com>
3517 * gimplify.c (get_name): Remove extraneous break.
3518 (gimplify_omp_for): Initialise ret with GS_OK.
3520 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3522 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3523 Add unix98.o to link line.
3525 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3528 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3529 Calculate compile-time constants using MPFR.
3530 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3531 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3533 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3535 * config/xtensa/lib2funcs.S: Use C-style comments.
3537 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3539 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3540 (file_table_relative_p): Likewise.
3541 (dwarf2out_finish): Likewise.
3542 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3544 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3546 * tree-ssa-structalias.c (intra_create_variable_infos):
3547 Don't recreate nonlocal_all if it already exists.
3549 2006-10-25 Richard Guenther <rguenther@suse.de>
3552 * optabs.h (enum optab_index): Remove OTI_lrint.
3553 (enum convert_optab_index): Add COI_lrint.
3554 (lrint_optab): Adjust.
3555 (expand_sfix_optab): Declare.
3556 * optabs.c (expand_sfix_optab): New function.
3557 (init_optabs): Init lrint_optab as conversion optab.
3558 * genopinit.c (lrint_optab): Change to a conversion optab.
3559 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3560 expansion via conversion optab.
3561 * config/i386/i386.md (*fistdi2_1): Remove
3562 flag_unsafe_math_optimizations guard.
3563 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3564 fist<mode>2_with_temp): Likewise.
3565 (lrint<mode>2): Split into...
3566 (lrintxf<mode>2): ... x87 part
3567 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3568 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3569 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3570 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3571 * doc/md.texi (lrintMN2): Document.
3573 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3576 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3577 Use inc and dec instructions for TARGET_USE_INCDEC.
3578 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3579 ("sync_double_compare_and_swap<mode>"): Likewise.
3580 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3581 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3582 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3583 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3584 ("sync_old_add<mode>"): Likewise.
3585 ("sync_lock_test_and_set<mode>"): Likewise.
3586 ("sync_lock_test_and_set<mode>"): Likewise.
3587 ("sync_add<mode>"): Likewise.
3588 ("sync_sub<mode>"): Likewise.
3589 ("sync_ior<mode>"): Likewise.
3590 ("sync_and<mode>"): Likewise.
3591 ("sync_xor<mode>"): Likewise.
3593 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3595 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3596 (remainder_optab): Define corresponding macro.
3597 (drem_optab): Remove.
3598 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3599 drem_optab initialization.
3600 * genopinit.c (optabs): Implement remainder_optab using
3601 remainder?f3 patterns. Remove drem_optab.
3602 * builtins.c (expand_builtin_mathfn_2): Handle
3603 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3604 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3605 expand_builtin_mathfn_2.
3607 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3608 depend on flag_unsafe_math_optimizations.
3610 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3611 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3612 Do not depend on flag_unsafe_math_optimizations. Use
3613 truncxf?f expander instead of truncxf?f_i387_noop.
3615 ("fpremxf4", "fprem1xf4"): Do not depend on
3616 flag_unsafe_math_optimizations.
3617 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3618 flag_unsafe_math_optimizations. Use truncxf?f expander
3619 instead of truncxf?f_i387_noop.
3621 * doc/md.texi (fmod, remainder): Document standard named pattern.
3623 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3624 David Daney <ddaney@avtrex.com>
3627 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3629 2006-10-25 Ben Elliston <bje@au.ibm.com>
3631 * doc/extend.texi (Variable Attributes): Typo fix.
3633 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3635 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3636 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3637 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3638 (FRAME_POINTER_REGNUM): Update register number to 21.
3639 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3640 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3642 * config/i386/i386.c (regclass_map): Add fpcr entry.
3643 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3645 (print_reg): Assert REGNO (x) != FPCR_REG.
3647 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3648 (DIRFLAG_REG): Renumber.
3649 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3650 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3651 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3652 hardcoded SSE register numbers.
3654 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3655 hardcoded MMX register numbers.
3657 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3660 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3661 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3663 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3664 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3665 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3666 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3668 2006-10-24 Richard Guenther <rguenther@suse.de>
3671 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3672 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3673 for deciding optimizations in consistency with fold-const.c
3674 (fold_builtin_unordered_cmp): Likewise.
3676 2006-10-24 Richard Guenther <rguenther@suse.de>
3678 * builtins.c (fold_builtin_floor): Fold floor (x) where
3679 x is nonnegative to trunc (x).
3680 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3681 nonnegative to FIX_TRUNC_EXPR.
3683 2006-10-24 Richard Guenther <rguenther@suse.de>
3685 PR tree-optimization/29567
3686 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3687 for TRUTH_NOT_EXPR. Clarify comments.
3689 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3692 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3693 at compile-time using MPFR. Change parameter VALUE to FUNC,
3695 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3696 for overflow and underflow at all times and avoid folding in
3699 2006-10-24 Ben Elliston <bje@au.ibm.com>
3701 * reload1.c: Formatting fixes.
3703 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3705 PR tree-optimization/14784
3706 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3707 * tree-ssa-structalias.c (get_constraint_for,
3708 intra_create_variable_infos): Set is_heapvar.
3709 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3710 non-heapvar pointer variables specially.
3712 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3715 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3716 fold_builtin_tan): Fold all constant arguments. Take a "type"
3717 argument as necessary.
3718 (do_mpfr_arg1): New.
3719 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3721 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3723 * config/xtensa/lib1funcs.asm: Use C-style comments.
3725 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3727 * tree.c (local_define_builtin): Replace calls to
3728 lang_hooks.builtin_function with add_builtin_function.
3729 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3731 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3733 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3734 common code to add_builtin_function.
3735 * langhooks.c (add_builtin_function): New function.
3736 (lhd_builtin_function): New function.
3737 * langhooks.h (struct lang_hooks): Change the signature of
3739 (add_builtin_function): New function.
3740 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3741 calls to lang_hooks.builtin_function with add_builtin_function.
3742 * c-common.c (decl_builtin_1): Replace calls to
3743 lang_hooks.builtin_function with add_builtin_function.
3744 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3745 lang_hooks.builtin_function with add_builtin_function.
3746 * config/frv/frv.c (def_builtin): Replace calls to
3747 lang_hooks.builtin_function with add_builtin_function.
3748 * config/s390/s390.c (s390_init_builtins): Replace calls to
3749 lang_hooks.builtin_function with add_builtin_function.
3750 * config/sparc/sparc.c (def_builtin): Replace calls to
3751 lang_hooks.builtin_function with add_builtin_function.
3752 * config/i386/i386.c (def_builtin): Replace calls to
3753 lang_hooks.builtin_function with add_builtin_function.
3754 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3755 lang_hooks.builtin_function with add_builtin_function.
3756 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3757 lang_hooks.builtin_function with add_builtin_function.
3758 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3759 Replace calls to lang_hooks.builtin_function with
3760 add_builtin_function.
3761 * config/iq2000/iq2000.c (def_builtin):
3762 Replace calls to lang_hooks.builtin_function with
3763 add_builtin_function.
3764 * config/ia64/ia64.c (def_builtin): Replace calls to
3765 lang_hooks.builtin_function with add_builtin_function.
3766 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3767 lang_hooks.builtin_function with add_builtin_function.
3768 (altivec_init_builtins): Replace calls to
3769 lang_hooks.builtin_function with add_builtin_function.
3770 * config/arm/arm.c (def_mbuiltin): Replace calls to
3771 lang_hooks.builtin_function with add_builtin_function.
3772 (arm_init_tls_builtins): Replace calls to
3773 lang_hooks.builtin_function with add_builtin_function.
3774 * config/mips/mips.c (mips_init_builtins): Replace calls to
3775 lang_hooks.builtin_function with add_builtin_function.
3776 * config/bfin/bfin.c (def_builtin): Replace calls to
3777 lang_hooks.builtin_function with add_builtin_function.
3778 * langhooks-def.h (lhd_builtin_function): New function.
3779 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3781 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3783 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3784 BUILT_IN_STRNCAT_CHK.
3786 2006-10-23 Jan Hubicka <jh@suse.cz>
3788 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3789 don't do conversion from memmove to memcpy here.
3790 (expand_builtin_bcopy, expand_builtin): Update call of
3791 expand_builtin_memmove.
3792 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3794 2006-10-23 Paul Brook <paul@codesourcery.com>
3796 * stor-layout.c (start_record_layout): maximum_field_alignment
3797 overrides STRUCTURE_SIZE_BOUNDARY.
3799 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3801 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3802 nonlocal function symbols if flag_pic.
3804 2006-10-23 Richard Guenther <rguenther@suse.de>
3808 * builtins.c (fold_binary): Remove checks for flag_wrapv
3809 and flag_trapv where negate_expr_p covers these cases.
3811 2006-10-23 Richard Guenther <rguenther@suse.de>
3814 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3815 of two on the absolute value.
3816 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3817 and negating -C does not overflow.
3819 2006-10-23 Richard Guenther <rguenther@suse.de>
3822 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3823 only if not flag_rounding_math.
3825 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3826 Kaz Kojima <kkojima@gcc.gnu.org>
3829 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3830 SImode memory reference for the source of a movua.
3831 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3832 (movua): Use an unspec instead of sign_extract. Expect the source
3833 to have mode BLKmode.
3834 (extv, insv): Use a BLKmode rather than SImode memory reference
3835 for the source of a movua.
3837 2006-10-22 Jeff Law <law@redhat.com>
3838 Richard Guenther <rguenther@suse.de>
3840 PR tree-optimization/15911
3841 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3842 (register_edge_assert_for_1): Likewise.
3843 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3844 (find_conditional_asserts): Adjust for new function signature.
3845 (find_assert_locations): Likewise.
3847 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3849 * config/i386/tmmintrin.h: Remove the duplicated content.
3851 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3853 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3854 (x86_64-*-*): Likewise.
3856 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3857 (override_options): Check SSSE3.
3858 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3859 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3860 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3861 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3862 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3863 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3864 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3865 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3866 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3867 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3868 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3869 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3870 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3871 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3872 IX86_BUILTIN_PABSD128.
3873 (bdesc_2arg): Add SSSE3.
3874 (bdesc_1arg): Likewise.
3875 (ix86_init_mmx_sse_builtins): Support SSSE3.
3876 (ix86_expand_builtin): Likewise.
3877 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3879 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3880 (UNSPEC_PSIGN): Likewise.
3881 (UNSPEC_PALIGNR): Likewise.
3882 Include mmx.md before sse.md.
3884 * config/i386/i386.opt: Add -mssse3.
3886 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3887 (ssse3_phaddwv4hi3): Likewise.
3888 (ssse3_phadddv4si3): Likewise.
3889 (ssse3_phadddv2si3): Likewise.
3890 (ssse3_phaddswv8hi3): Likewise.
3891 (ssse3_phaddswv4hi3): Likewise.
3892 (ssse3_phsubwv8hi3): Likewise.
3893 (ssse3_phsubwv4hi3): Likewise.
3894 (ssse3_phsubdv4si3): Likewise.
3895 (ssse3_phsubdv2si3): Likewise.
3896 (ssse3_phsubswv8hi3): Likewise.
3897 (ssse3_phsubswv4hi3): Likewise.
3898 (ssse3_pmaddubswv8hi3): Likewise.
3899 (ssse3_pmaddubswv4hi3): Likewise.
3900 (ssse3_pmulhrswv8hi3): Likewise.
3901 (ssse3_pmulhrswv4hi3): Likewise.
3902 (ssse3_pshufbv16qi3): Likewise.
3903 (ssse3_pshufbv8qi3): Likewise.
3904 (ssse3_psign<mode>3): Likewise.
3905 (ssse3_psign<mode>3): Likewise.
3906 (ssse3_palignrti): Likewise.
3907 (ssse3_palignrdi): Likewise.
3908 (abs<mode>2): Likewise.
3909 (abs<mode>2): Likewise.
3911 * config/i386/tmmintrin.h: New file.
3913 * doc/extend.texi: Document SSSE3 built-in functions.
3915 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
3917 2006-10-22 Ira Rosen <irar@il.ibm.com>
3919 * tree-vect-transform.c (vectorizable_load): Use the type of the
3920 return value of the mask_for_load builtin to create realign_load
3923 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3925 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
3928 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
3930 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
3931 (UNSPEC_LDDQU): This.
3932 * config/i386/sse.md (sse3_lddqu): Updated.
3934 2006-10-21 Richard Guenther <rguenther@suse.de>
3936 * builtins.c (expand_builtin_int_roundingfn_2): New function.
3937 (expand_builtin): Use it to expand lrint instead of
3938 expand_builtin_mathfn.
3940 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3943 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
3944 flag_unsafe_math_optimizations is set.
3946 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3949 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
3950 patterns to use memory input operand in x87->mem->XMM
3951 reload sequences. Skip transformation for TARGET_K8.
3953 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3955 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
3956 force operand1 to register if both operands are memory operands.
3957 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
3958 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
3959 if both operands are memory operands.
3960 (truncdfsf2): Do not force operand1 to register if both operands
3961 are memory operands.
3963 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3965 * Makefile.in (LIBS): Add $(GMPLIBS).
3966 * doc/install.texi: Update GMP and MPFR requirements.
3967 * doc/sourcebuild.texi (need_gmp): Delete.
3969 2006-10-21 Richard Guenther <rguenther@suse.de>
3971 PR tree-optimization/3511
3972 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
3973 got new invariant arguments during PHI translation.
3975 2006-10-21 Richard Guenther <rguenther@suse.de>
3978 * fold-const.c (fold_comparison): Fold signed comparisons
3979 of the form X +- C1 CMP Y +- C2.
3981 2006-10-21 Richard Guenther <rguenther@suse.de>
3984 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
3985 if flag_unsafe_math_optimizations is specified. We have
3986 flag_finite_math_only for that.
3987 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
3988 or flag_unsafe_math_optimizations.
3990 2006-10-21 Richard Guenther <rguenther@suse.de>
3992 * builtins.c (fold_builtin_classify): Fix typo.
3994 2006-10-21 Richard Guenther <rguenther@suse.de>
3997 * simplify-rtx.c (simplify_const_relational_operation):
3998 Do not constant-fold ORDERED and UNORDERED for
3999 flag_unsafe_math_optimizations but only we do not need to
4000 honor NaNs for the given mode.
4002 2006-10-21 Richard Guenther <rguenther@suse.de>
4005 * config/i386/i386.c (classify_argument): Remove redundant
4006 walking of the BINFOs.
4007 (contains_128bit_aligned_vector_p): Likewise.
4009 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4011 * BASE-VER: Set to 4.3.0.
4013 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4015 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4016 (tree_decl_with_vis): Remove artificial_pta_var flag.
4017 * tree-flow.h (referenced_var_check_and_insert): Expose.
4018 (nonlocal_all): New prototype.
4019 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4020 (nonlocal_all): Make global.
4021 (nonlocal_lookup): Remove.
4022 (nonlocal_insert): Ditto.
4023 (create_nonlocal_var): Do not call nonlocal_insert.
4024 (get_nonlocal_id_for_type): Remove.
4025 (find_global_initializers): Mark new vars we find for renaming.
4026 (intra_create_variable_infos): Only create one nonlocal.
4027 (expand_nonlocal_solutions): Remove.
4028 (compute_points_to_sets): Don't call it.
4029 (ipa_pta_execute): Ditto.
4030 (init_alias_heapvars): Don't create nonlocal_for_type.
4031 (delete_alias_heapvars): Don't remove it.
4032 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4035 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4037 * doc/install.texi (Downloading GCC): Clarify mention of
4038 Fortran in the "full distribution" description.
4040 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4042 Fix PR tree-optimization/28778
4043 Fix PR tree-optimization/29156
4044 Fix PR tree-optimization/29415
4045 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4046 (tree_decl_with_vis): Add artificial_pta_var flag.
4047 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4048 pushed into callers.
4049 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4050 (nonlocal_all): Ditto.
4051 (struct variable_info): Add directly_dereferenced member.
4052 (var_escaped_vars): New variable.
4053 (escaped_vars_tree): Ditto.
4054 (escaped_vars_id): Ditto.
4055 (nonlocal_vars_id): Ditto.
4056 (new_var_info): Set directly_dereferenced.
4057 (graph_size): New variable
4058 (build_constraint_graph): Use graph_size.
4059 (solve_graph): Don't process constraints that cannot change the
4060 solution, don't try to propagate an empty solution to our
4062 (process_constraint): Set directly_dereferenced.
4063 (could_have_pointers): New function.
4064 (get_constraint_for_component_ref): Don't process STRING_CST.
4065 (nonlocal_lookup): New function.
4066 (nonlocal_insert): Ditto.
4067 (create_nonlocal_var): Ditto.
4068 (get_nonlocal_id_for_type): Ditto.
4069 (get_constraint_for): Allow results vector to be empty in the case
4070 of string constants.
4071 Handle results of calls properly.
4072 (update_alias_info): Update alias info stats on number and type of
4074 (find_func_aliases): Use could_have_pointers.
4075 (make_constraint_from_escaped): Renamed from
4076 make_constraint_to_anything, and changed to make constraints from
4078 (make_constraint_to_escaped): New function.
4079 (find_global_initializers): Ditto.
4080 (create_variable_info_for): Make constraint from escaped to any
4081 global variable, and from any global variable to the set of
4083 (intra_create_variable_infos): Deal with escaped instead of
4084 pointing to anything.
4085 (set_uids_in_ptset): Do type pruning on directly dereferenced
4087 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4088 (init_base_vars): Fix comment, and initialize escaped_vars.
4089 (need_to_solve): Removed.
4090 (find_escape_constraints): New function.
4091 (expand_nonlocal_solutions): Ditto.
4092 (compute_points_to_sets): Call find_escape_constraints and
4093 expand_nonlocal_solutions.
4094 (delete_points_to_sets): Don't fall off the end of the graph.
4095 (init_alias_heapvars): Initialize nonlocal_for_type and
4097 (delete_alias_heapvars): Free nonlocal_for_type and null out
4100 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4102 * fold-const.c (add_double): Rename to add_double_with_sign.
4103 Add 'unsigned_p' parameter and take it into account for the overflow.
4104 (mul_double): Rename to mul_double_with_sign.
4105 Add 'unsigned_p' parameter and take it into account for the overflow.
4106 (fold_div_compare): Call add_double_with_sign instead of add_double
4107 and mul_double_with_sign instead of mul_double, passing them the
4108 unsignedness of the type.
4109 * tree.h (add_double): Macroize.
4110 (add_double_with_sign): New prototype.
4111 (mul_double): Macroize.
4112 (mul_double_with_sign): New prototype.
4114 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4116 * config/score/crti.asm: New file.
4117 * config/score/crtn.asm: New file.
4118 * config/score/elf.h: New file.
4119 * config/score/mac.md: New file.
4120 * config/score/misc.md: New file.
4121 * config/score/mul-div.S: New file.
4122 * config/score/predicates.md: New file.
4123 * config/score/score7.md: New file.
4124 * config/score/score.c: New file.
4125 * config/score/score-conv.h: New file.
4126 * config/score/score.h: New file.
4127 * config/score/score.md: New file.
4128 * config/score/score-mdaux.c: New file.
4129 * config/score/score-mdaux.h: New file.
4130 * config/score/score-modes.def: New file.
4131 * config/score/score.opt: New file.
4132 * config/score/score-protos.h: New file.
4133 * config/score/score-version.h: New file.
4134 * config/score/t-score-elf: New file.
4135 * config.gcc: Add score*-*-* configurations(Update before).
4136 * doc/invoke.texi (Score Options): New section.
4137 * doc/md.texi (Score family): New section to document constraints.
4139 2006-10-19 Nick Clifton <nickc@redhat.com>
4141 * config/arm/arm.c: Fix spelling typo.
4143 2006-10-18 Tom Tromey <tromey@redhat.com>
4145 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4147 2006-10-18 Jan Hubicka <jh@suse.cz>
4150 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4153 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4155 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4156 TSI_SAME_STMT, since that's the desired entity.
4158 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4160 * config/s390/contraints.md: New file.
4161 * config/s390/s390-protos.h (s390_mem_constraint,
4162 s390_O_constraint_str, s390_N_constraint_str,
4163 s390_float_const_zero_p): Function prototypes added.
4164 * config/s390/s390.c (s390_extra_constraint_str,
4165 s390_const_double_ok_for_constraint_p,
4166 s390_const_ok_for_constraint_p): Functions removed.
4167 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4168 s390_float_const_zero_p): New functions.
4169 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4170 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4171 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4172 Macro definitions removed.
4173 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4174 s390_extra_constraint_str): Functions removed.
4176 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4177 Richard Sandiford <richard@codesourcery.com>
4180 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4181 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4183 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4185 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4186 (DWARF2_FRAME_REG_OUT): Likewise.
4187 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4188 (DWARF2_FRAME_REG_OUT): Likewise.
4190 2006-10-17 Paul Brook <paul@codesourcery.com>
4192 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4194 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4196 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4197 Standardize on "GNU Fortran" as the official name of the Fortran
4200 2006-10-16 Mike Stump <mrs@apple.com>
4202 * doc/invoke.texi (Darwin Options): Document -mkernel.
4203 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4205 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4206 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4207 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4208 (OS_MISSING_ALTIVEC): Add.
4209 * config/i386/i386.c (override_options): Add
4210 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4211 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4212 -mkernel, -static or -mdynamic-no-pic is given.
4213 (C_COMMON_OVERRIDE_OPTIONS): Add.
4214 * config/darwin.opt (fapple-kext): Add.
4216 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4217 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4219 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4220 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4221 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4222 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4223 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4224 (flag_mkernel): Add.
4225 (flag_apple_kext): Add.
4226 (TARGET_KEXTABI): Add.
4227 * config/darwin.c (darwin_handle_kext_attribute): Add.
4228 (DARWIN_VTABLE_P): Add.
4229 (darwin_binds_local_p): Add partial support for rebinding vtables
4231 (darwin_kextabi_p): Add.
4232 (darwin_override_options): Add.
4233 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4234 (darwin_kextabi_p): Add.
4235 (darwin_override_options): Add.
4236 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4237 __DYNAMIC__ and __STATIC__ here.
4239 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4241 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4242 Added mention of "make pdf" target, and Texinfo requirements for
4245 2006-10-16 DJ Delorie <dj@redhat.com>
4247 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4248 into the GOT in case we need a subreg of the address.
4250 2006-10-16 Richard Guenther <rguenther@suse.de>
4253 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4254 SSE builtin documentation. Document SSE2 builtins.
4256 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4258 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4259 symbol in the output file for non-shared links when -nostdlib or
4260 -nodefaultlibs isn't specified.
4262 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4263 posix thread support.
4265 2006-10-15 Jan Hubicka <jh@suse.cz>
4268 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4269 declared always_inline even when not inlining.
4271 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4272 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4273 Andrew Pinski <pinskia@gmail.com>
4276 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4278 2006-10-15 Jan Hubicka <jh@suse.cz>
4279 Richard Guenther <rguenther@suse.de>
4282 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4283 process_function_and_variable_attributes on all variables, including
4284 those discovered during cgraph construction phase.
4286 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4288 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4290 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4292 * config/i386/athlon.md (athlon_fist): Add fisttp.
4294 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4295 Ian Lance Taylor <ian@airs.com>
4298 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4299 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4302 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4304 * config/score/score.c, config/score/score.h: Fix comment
4307 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4310 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4313 2006-10-13 Eric Christopher <echristo@apple.com>
4315 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4317 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4320 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4321 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4322 alignment supported by 32-bit ELF.
4324 2006-10-13 Eric Christopher <echristo@apple.com>
4326 * config/darwin.c (darwin_emit_unwind_label): Strip
4327 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4329 2006-10-13 Richard Guenther <rguenther@suse.de>
4331 PR tree-optimization/29446
4332 * tree-vrp.c (fix_equivalence_set): Remove.
4333 (extract_range_from_assert): Do not call fix_equivalence_set.
4334 (debug_value_range): Print a newline.
4335 (compare_name_with_value): For equivalence sets with
4336 inconsistent value ranges conservatively bail out.
4337 (compare_names): Likewise.
4339 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4341 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4342 and MPFR for gfortran.
4344 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4346 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4347 alignment supported by 32-bit ELF.
4349 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4353 * c-typeck.c (digest_init): Always allow initializing vectors
4354 that have static storage duration with compound literals.
4355 * tree.c (build_type_attribute_qual_variant): New, based on
4356 build_type_attribute_variant.
4357 (build_type_attribute_variant): Rewrite using the former.
4358 (make_vector_type): Use build_type_attribute_qual_variant to build
4359 type variants. Use type_hash_canon on the others.
4361 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4362 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4364 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4366 2006-10-12 Jan Hubicka <jh@suse.cz>
4369 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4370 current_function_decl is set but current_function_scope is not.
4372 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4374 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4375 emit_insn to emit eh_return_internal instruction.
4376 (eh_return_internal): Explicitly set pc.
4378 2006-10-11 Richard Guenther <rguenther@suse.de>
4380 PR tree-optimization/28230
4381 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4382 to the correct place.
4384 2006-10-11 Richard Guenther <rguenther@suse.de>
4387 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4390 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4392 * configure.ac: Added pdf to "Make-hooks"
4393 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4394 targets and *.pdf file patterns in cleanup targets.
4395 * configure: Regenerated.
4397 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4399 * config/avr/predicates.md: New file.
4400 * config/avr/avr.md: Include it.
4401 (REG_SP): New constant.
4402 (peepholes): Use predicates.
4403 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4404 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4405 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4407 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4409 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4412 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4415 * builtins.c (var_decl_component_p): New function.
4416 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4417 single entry optimization to variables and components thereof.
4419 2006-10-10 Richard Guenther <rguenther@suse.de>
4421 PR rtl-optimization/29323
4422 * except.c (set_nothrow_function_flags): For functions
4423 that do not bind local bail out early.
4425 2006-10-10 Ben Elliston <bje@au.ibm.com>
4427 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4430 2006-10-09 Richard Henderson <rth@redhat.com>
4432 Revert emutls patch.
4434 2006-10-09 Richard Guenther <rguenther@suse.de>
4437 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4440 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4443 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4444 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4445 * configure: Regenerate.
4446 * config.in: Regenerate.
4448 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4450 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4452 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4454 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4455 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4456 Remove stray newline.
4458 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4460 * config/mips/mips.c (mips_classify_symbol): Do not return
4461 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4462 (mips_in_small_data_p): Tweak comments.
4464 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4466 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4468 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4470 * gimplify.c, sched-int.h: Fix comment typos.
4472 * sched-int.h: Fix comment typos.
4474 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4476 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4478 * sched-ebb.c (begin_schedule_ready): Use them.
4479 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4480 add_to_speculative_block, create_check_block_twin, speculate_insn,
4481 fix_jump_move, move_block_after_check): Ditto.
4482 * sched-rgn.c (new_ready): Ditto.
4484 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4486 PR rtl-optimization/29128
4487 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4488 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4489 allow interblock movement of speculation checks.
4491 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4494 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4495 casted to integer type.
4496 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4497 if they are significantly more expensive than [reg + index] ones.
4499 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4501 PR tree-optimization/29330
4502 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4503 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4504 on newly allocated ddrs.
4505 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4506 to VEC (loop_p, heap) pointer.
4507 (compute_data_dependences_for_loop): Adjust caller.
4508 (free_dependence_relations): Free DDR_LOOP_NEST.
4510 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4511 free DEPENDENCE_RELATIONS and DATAREFS.
4514 * builtins.c (expand_builtin_sync_operation,
4515 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4516 Use convert_to_mode to handle promoted arguments.
4518 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4520 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4522 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4524 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4526 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4528 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4529 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4530 Use <modeconstraint> instead of "r" as operand 1 constraint.
4532 2006-10-06 Olivier Hainque <hainque@adacore.com>
4534 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4535 Don't recurse on the pointed-to type.
4536 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4537 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4538 types with components of variable size.
4540 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4542 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4544 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4546 PR tree-optimization/29290
4547 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4551 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4552 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4555 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4556 the number of vector elements fill the rest with zeros.
4558 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4560 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4561 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4564 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4566 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4567 unnamed pattern into subsi3. Use correct constraints/predicates.
4568 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4569 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4571 2006-10-05 Ira Rosen <irar@il.ibm.com>
4573 * doc/loop.texi: Add data references analysis description.
4575 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4577 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4579 2006-10-04 Richard Henderson <rth@redhat.com>
4580 Jakub Jelinek <jakub@redhat.com>
4582 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4583 * builtin-types.def (BT_WORD): Make unsigned.
4584 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4585 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4586 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4587 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4588 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4589 * cgraph.c (decide_is_variable_needed): Look at force_output.
4590 Recurse for emulated tls.
4591 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4592 checks redundant with decide_is_variable_needed.
4593 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4594 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4596 * expr.c (emutls_var_address): New.
4597 (expand_expr_real_1): Expand emulated tls.
4598 (expand_expr_addr_expr_1): Likewise.
4599 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4600 * output.h (emutls_finish): Declare.
4601 * toplev.c (compile_file): Call it.
4602 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4603 address before wrapping in CONST.
4604 * varasm.c (emutls_htab, emutls_object_type): New.
4605 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4606 (get_emutls_object_name, get_emutls_object_type): New.
4607 (get_emutls_init_templ_addr, emutls_decl): New.
4608 (emutls_common_1, emutls_finish): New.
4609 (assemble_variable): When emulating tls, swap decls; generate
4610 constructor for the emutls objects.
4611 (do_assemble_alias): When emulating tls, swap decl and target name.
4612 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4614 * emutls.c: New file.
4615 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4616 tls_object for real tls.
4618 2006-10-04 Zack Weinberg <zackw@panix.com>
4620 Fix bug in constraint-check generator, reported by Rask Ingemann
4622 * genpreds.c (add_constraint): Don't remove anything from the
4624 (write_tm_constrs_h): Detect whether "op" argument is used, and
4625 mark it ARG_UNUSED if it isn't.
4626 (write_insn_const_int_ok_for_constraint): Skip the part of the
4627 expression that would test whether "op" (which is not available
4628 here) is a CONST_INT.
4630 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4633 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4635 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4637 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4638 current Leopard versions.
4639 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4641 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4643 * doc/install.texi: Fix typos.
4645 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4647 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4648 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4649 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4651 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4653 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4654 arg to be struct mach_header_64* instead.
4656 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4659 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4660 side effects after the outer expression's post side effects.
4662 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4664 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4665 comments to reflect actual behavior and relationship between
4666 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4668 * doc/c-tree.texi (Working with declarations): Fix documentation
4669 of FIELD_DECL likewise.
4671 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4674 * doc/extend.texi: Add used variable attribute description.
4676 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4679 * c.opt (Woverride-init): New.
4680 * c-opts.c (c_common_post_options): Default warn_override_init to
4682 * c-typeck.c (add_pending_init, output_init_element): Warn for
4683 overriding initializers without side effects.
4684 * doc/invoke.texi (-Woverride-init): Document.
4687 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4689 PR rtl-optimization/28096
4690 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4691 assignment has already been used as a destination earlier in the block.
4693 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4695 * builtins.c (expand_builtin_setjmp): Delete.
4696 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4697 <BUILT_IN_SETJMP_SETUP>: New case.
4698 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4699 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4700 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4701 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4702 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4703 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4704 (lower_function_body): Initialize it to false. If it is set to true
4705 at the end of the processing, emit the setjmp dispatcher.
4706 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4707 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4708 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4709 on the rhs of the assignment.
4710 (lower_builtin_setjmp): New function.
4711 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4712 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4713 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4714 to detect calls that can go to non-local labels. Use specific
4715 helper to create the abnormal edges associated with them.
4716 <MODIFY_EXPR>: Likewise.
4717 (make_abnormal_goto_edges): New function extracted from...
4718 (make_goto_expr_edges): ...here. Call it for computed gotos.
4719 (simple_goto_p): Minor tweak.
4720 (tree_can_make_abnormal_goto): New predicate.
4721 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4722 (tree_purge_dead_abnormal_call_edges): New function.
4723 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4724 (tree_purge_dead_abnormal_call_edges): Likewise.
4725 (make_abnormal_goto_edges): Likewise.
4726 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4727 Purge all dead abnormal edges if the call was in the last statement.
4728 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4729 (execute_fixup_cfg): If there are non-local labels in the function,
4730 scan the basic blocks and split them at calls that can go to non-local
4731 labels or add missing abnormal call edges. Write down the CFG in the
4733 (pass_fixup_cfg): Remove TODO_dump_func flag.
4734 * unwind-sjlj.c: Poison setjmp.
4735 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4736 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4737 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4738 (DONT_USE_BUILTIN_SETJMP): Document it.
4740 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4743 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4744 to 1 when __ppc64__ is defined.
4745 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4747 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4749 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4751 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4752 * config/ia64/unwind-hpux.c: Delete.
4754 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4756 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4757 on the element before gimplifying it, instead of punting if it is of
4760 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4762 * doc/loop.texi: New file.
4763 * doc/gccint.texi: Reference loop.texi.
4764 * Makefile.in (loop.texi): Add.
4766 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4768 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4770 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4771 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4773 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4775 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4777 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4779 * doc/install.texi: Document required versions of GMP and MPFR.
4781 2006-09-27 Paul Brook <paul@codesourcery.com>
4784 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4786 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4788 * reload1.c (alter_reg): Require the alignment of the stack slot to
4789 be at least reg_max_ref_width bytes.
4790 (scan_paradoxical_subregs): Record the largest width in
4793 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4797 * tree-nested.c (struct nesting_info): Added static_chain_added.
4798 (convert_call_expr): Set static_chain_added when adding static
4799 chain. Handle OMP_PARALLEL and OMP_SECTION.
4801 2006-09-25 Matthias Klose <doko@debian.org>
4803 * doc/invoke.texi: Add missing full stop.
4805 2006-09-25 Richard Henderson <rth@redhat.com>
4807 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4808 before cgraph_function_flags_ready.
4810 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4811 Adam Nemet <anemet@caviumnetworks.com>
4813 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4814 determine_common_wider_type): New functions.
4815 (get_computation_aff): Use them to simplify arithmetic between
4816 UBASE and CBASE if they are shortened from the same type.
4818 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4821 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4822 -2147483647 - 1 instead of 0x80000000.
4824 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4826 * flags.h (HONOR_NANS): Fix typo in comment.
4828 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4830 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4832 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4836 * tree.c (merge_attributes, attribute_list_contained): If both
4837 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4839 * c-typeck.c (comptypes_internal): Don't consider aggregates
4840 in different TUs as compatible if there one set of attributes is
4841 not a subset of the other type's attributes.
4842 (composite_type): Try harder not to create a new aggregate type.
4844 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4846 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4847 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4848 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4849 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4850 than replicating condition above.
4851 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4853 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4854 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4855 the linker by default.
4857 2006-09-22 Mike Stump <mrs@apple.com>
4859 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4862 2006-09-22 Richard Guenther <rguenther@suse.de>
4865 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4866 sort of stack variables stable.
4868 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4871 * explow.c (force_reg): Set REG_POINTER flag according to
4874 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4876 PR tree-optimization/28888
4877 * tree-if-conv.c (combine_blocks): Rewritten.
4878 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4879 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4881 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4883 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4886 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4888 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4890 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4892 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4894 2006-09-21 Roger Sayle <roger@eyesopen.com>
4897 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4898 dw_fde_current_label, to be the start of the function, i.e. the same
4899 value as dw_fde_begin.
4901 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4903 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4904 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4905 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
4906 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
4907 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
4908 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
4909 (abs<mode>2, neg<mode>2): Likewise.
4910 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
4911 (*mips_abs_ps): New define_insn.
4913 2006-09-20 Josh Conner <jconner@apple.com>
4916 * calls.c (expand_call): Allow reuse of structure return stack
4919 2006-09-20 Paul Brook <paul@codesourcery.com>
4921 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
4924 2006-09-20 Janis Johnson <janis187@us.ibm.com>
4926 * doc/extend.texi (Decimal Float): Update for latest draft TR,
4927 clean up terminology.
4929 2006-09-20 Steve Ellcey <sje@cup.hp.com>
4932 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
4933 with tablejumps in them.
4935 2006-09-20 Jakub Jelinek <jakub@redhat.com>
4938 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
4939 wrap it into TARGET_EXPR.
4941 2006-09-20 Eric Christopher <echristo@apple.com>
4943 * config/i386/i386.c (x86_fisttp): Remove.
4944 * config/i386/i386.h (x86_fisttp): Ditto.
4945 (TARGET_FISTTP): Ditto.
4947 2006-09-19 Eric Christopher <echristo@apple.com>
4949 * doc/tm.texi (OBJC_JBLEN): Describe.
4950 * config/i386/darwin.h (OBJC_JBLEN): Define.
4951 * config/rs6000/darwin.h: Ditto.
4953 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
4955 PR rtl-optimization/21299
4956 * reload1.c (reload): Purge invalid ASMs in the final pass.
4958 2006-09-19 Steve Ellcey <sje@cup.hp.com>
4961 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
4962 pointers as legitimate constants.
4964 2006-09-19 Paul Brook <paul@codesourcery.com>
4967 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
4969 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
4971 PR tree-optimization/28887
4972 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
4973 component parts from the reference.
4974 (gather_memory_references_ref): Record the reference without the
4975 nonaddressable component parts.
4977 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
4980 * c-opts.c (c_common_handle_option): Ignore the -std options
4981 if the input language is assembly.
4983 2006-09-17 Ira Rosen <irar@il.ibm.com>
4986 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
4988 (ptr_ptr_may_alias_p): Likewise.
4989 (record_record_differ_p): New function.
4990 (base_object_differ_p): Call record_record_differ_p.
4992 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
4995 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
4996 away for the expr argument.
4998 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5001 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5002 before using it for dumping after vectorizing loops.
5004 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5005 Jack Howarth <howarth@bromo.med.uc.edu>
5008 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5009 skip on error_mark_node.
5010 (rs6000_darwin64_record_arg_recurse): Likewise.
5012 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5014 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5015 * doc/rtl.texi: Remove related documentation.
5017 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5019 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5022 2006-09-15 Jim Wilson <wilson@specifix.com>
5024 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5025 Handle symbol offsets same as they are handled in ia64_expand_move
5028 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5030 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5031 Add forgotten parameter to the fprintf call.
5033 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5035 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5037 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5039 * doc/contrib.texi: Add my entry.
5041 2006-09-15 Nick Clifton <nickc@redhat.com>
5043 * doc/md.texi (Processor pipeline description): Fix typo in
5044 example of how to use the absence_set directive and reword the
5045 description to make it slightly easier to read.
5047 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5049 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5050 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5051 expanding the number of iterations.
5052 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5054 * cfgrtl.c (emit_insn_at_entry): New function.
5055 * rtl.h (emit_insn_at_entry): Declare it.
5056 * integrate.c (emit_initial_value_sets): Use it.
5058 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5060 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5062 (struct loop_work and related VEC declarations): Delete.
5063 (bfin_dump_loops): Print out new member bad.
5064 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5065 (bfin_scan_loop): Don't recurse.
5066 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5067 loops. No longer need to update outer loops if the current one is
5068 found bad. Move some validitiy checks to bfin_discover_loop.
5069 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5070 but changed not to check for nesting. Also changed to use the new bad
5072 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5073 time. Use bitmap based test to discover loop nesting.
5075 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5077 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5080 2006-09-14 Richard Guenther <rguenther@suse.de>
5081 Kazu Hirata <kazu@codesourcery.com>
5083 PR middle-end/28884.
5084 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5085 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5086 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5087 with TARGET_FUNCTION_VALUE.
5089 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5092 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5094 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5096 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5099 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5102 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5105 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5107 * basic_block.h (bb_has_eh_pred): Fix comment.
5109 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5111 * flow.c (calculate_global_regs_live): Invalidate eh registers
5112 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5113 (propagate_block): Handle eh registers as if they were set at basic
5115 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5117 * global.c (global_conflicts): Make eh registers to conflict with
5118 pseudos live at basic block begin.
5119 * basic_block.h (bb_has_eh_pred): New function.
5121 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5123 PR rtl-optimization/28982
5124 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5125 index of a PRE_MODIFY or POST_MODIFY address.
5126 * reload1.c (inc_for_reload): Use find_replacement on the original
5127 base and index registers.
5129 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5131 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5132 for -Os. Update __m128 alignment requirement.
5134 2006-09-13 Jan Hubicka <jh@suse.cz>
5136 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5138 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5140 PR rtl-optimization/28243
5141 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5142 the insn to which the note was originally attached.
5144 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5145 Roger Sayle <roger@eyesopen.com>
5147 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5148 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5149 on platforms that don't use dwarf for debug info.
5151 2006-09-12 Jason Merrill <jason@redhat.com>
5154 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5155 hard_frame_pointer_rtx after using it to update the frame pointer.
5157 2006-09-12 Roger Sayle <roger@eyesopen.com>
5159 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5160 (TARGET_ASM_CLOSE_PAREN): Likewise.
5161 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5162 (TARGET_ASM_CLOSE_PAREN): Likewise.
5164 2006-09-12 Roger Sayle <roger@eyesopen.com>
5167 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5168 frame information for frames larger than 512 Kbytes on Tru64 when
5169 using the native assembler.
5171 2006-09-12 Roger Sayle <roger@eyesopen.com>
5175 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5176 and symbols. Instead use the implementation from cse.c's hash_rtx.
5178 2006-09-12 Jan Hubicka <jh@suse.cz>
5180 PR rtl-optimization/28071
5181 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5182 (vect_transform_loop): Likewise.
5183 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5184 (new_loop_vec_info): Likewise.
5185 (destroy_loop_vec_info): Likewise.
5186 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5187 (create_stmt_ann): Likewise.
5188 (create_tree_ann): Rename to ...
5189 (create_tree_common_ann): ... this one; allocate only the common part
5191 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5192 (get_value_handle): Likewise.
5193 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5194 get_tree_common_ann.
5195 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5196 (vinfo_for_stmt): Use stmt annotations.
5197 * tree-flow.h (tree_ann_common_t): New type.
5198 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5199 (tree_ann, get_tree_ann, create_tree_ann): New.
5200 * tree-flow-inline.h (get_function_ann): Do more type checking.
5201 (stmt_ann): Likewise.
5202 (tree_ann): Rename to ...
5203 (tree_common_ann): ... this one; return ony common_ann
5204 (get_tree_ann): Rename to ...
5205 (tree_common_ann): This one; return only common_ann.
5206 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5209 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5211 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5212 with_cpu by default.
5214 * dwarf2out.c (dwarf_file_data): New.
5215 (enum dw_val_class): Add dw_val_class_file.
5216 (struct dw_val_struct): Add val_file.
5217 (file_table): Change to a hash table.
5218 (file_table_emitted): Delete.
5219 (file_table_last_lookup_index): Delete.
5220 (emitcount): Delete.
5221 (last_emitted_file): New.
5222 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5223 (init_file_table): Delete.
5224 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5225 (AT_addr): Add comment.
5229 (print_die): Handle dw_val_class_file.
5230 (print_dwarf_line_table): Update for new file table structure.
5231 (attr_checksum): Do checksum a filename.
5232 (same_dw_val_p, same_attr_p): Do compare a filename.
5233 (size_of_die): Handle dw_val_class_file.
5234 (value_format): Likewise.
5235 (output_die): Likewise. Also, call maybe_emit_file here.
5236 (struct file_info): Constify filenames. Make file_idx a pointer
5237 to a struct dwarf_file_data.
5238 (struct dir_info): Constify directory names. Remove 'used' field.
5239 (struct file_name_acquire_data): New.
5240 (file_name_acquire): New.
5241 (output_file_names): Modify to handle new file data structures.
5242 (add_src_coords_attributes): Use add_AT_file.
5243 (add_call_src_coords_attributes): Likewise.
5244 (dwarf2out_imported_module_or_decl): Likewise.
5245 (gen_subprogram_die): Modify for new file data structures.
5246 (gen_variable_die): Likewise.
5247 (file_table_eq): New.
5248 (file_table_hash): New.
5249 (file_table_last_lookup): New.
5250 (lookup_filename): Rewrite to handle new file data structures.
5251 (maybe_emit_file): Rewrite to handle new file data structures.
5252 (dwarf2out_source_line): Always call lookup_filename and
5254 (dwarf2out_init): Create file_table here.
5255 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5256 (file_table_relative_p): New.
5257 (dwarf2out_finish): Change detection of relative filenames
5258 to work with new file data structures. Move output_line_info call
5259 after debug_info output.
5261 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5266 * config/i386/i386.c (override_options): Always default to 16
5267 byte stack boundary.
5269 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5272 * var-tracking.c (dump_dataflow_set): Start dumping at
5274 (clobber_variable_part): Kill only the variable part in
5275 registers holding it, leaving other variables alone.
5277 2006-09-11 Josh Triplett <josh@freedesktop.org>
5279 * doc/extend.texi (Other Builtins): Actually use the macro
5280 argument in the documentation example for
5281 __builtin_types_compatible_p.
5283 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5285 PR rtl-optimization/28726
5286 * sched-deps.c (sched_analyze_reg): New function extracted from...
5287 (sched_analyze_1): ...here. Call it to analyze references to
5288 registers. Treat again writes to a stack register as writing to the
5290 (sched_analyze_2): ...and here. Call it to analyze references to
5291 registers. Treat again reads of a stack register as reading the
5294 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5295 David Edelsohn <edelsohn@gnu.org>
5298 * config/rs6000/spe.md (frob_df_di): Remove %H.
5299 (frob_di_df): Remove %H. Change evmergelo to mr.
5300 (frob_di_df_2): Remove %H. Change evldd to two loads.
5302 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5304 * doc/cpp.texi: Fix names of charset options.
5306 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5309 * config/i386/i386.c (override_options): Use 128-bit
5310 stack boundary always for 64bits.
5312 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5314 PR rtl-optimization/28636
5315 * combine.c (force_to_mode): Test for side-effects before
5316 substituting by zero.
5317 (simplify_shift_const): Likewise for zero or other constants.
5319 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5322 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5325 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5328 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5329 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5330 returned by mode_for_size, rather than the mode of src itself,
5331 to choose between 32-bit and 64-bit patterns.
5332 (mips_mem_fits_mode_p): New function.
5333 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5334 that the size of the source matches the size of the destination.
5335 (mov_<store>l, mov_<store>r): Likewise.
5337 2006-09-10 Eric Christopher <echristo@apple.com>
5339 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5342 2006-09-09 Eric Christopher <echristo@apple.com>
5345 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5348 2006-09-09 Roger Sayle <roger@eyesopen.com>
5349 Nicolas Setton <setton@adacore.com>
5351 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5353 2006-09-10 Andreas Schwab <schwab@suse.de>
5355 * config/m68k/m68k.md (bungt_rev): New pattern.
5357 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5358 Dale Johannesen <dalej@apple.com>
5361 * regclass.c (struct reg_pref): Update documentation.
5362 (regclass): Set prefclass to NO_REGS if memory is the best option.
5363 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5365 2006-09-08 Eric Christopher <echristo@apple.com>
5367 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5368 * config/t-slibgcc-darwin: Support x86_64 multilib.
5369 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5370 Return 1 for x86_64-darwin.
5371 * config/i386/t-darwin: Add m64 multilib.
5372 (LIB2_SIDITI_CONV_FUNCS): Use.
5373 (LIB2FUNCS_EXTRA): Ditto.
5374 * config/i386/darwin.h: Support x86_64.
5375 * config/i386/i386.c (override_options): Turn on flag_pic
5376 for x86_64-darwin. Disable flag_omit_pointer.
5377 (get_pc_thunk_name): Assert !TARGET_64BIT.
5378 (legitimate_address_p): Disable machopic addressing for
5380 (legitimize_pic_address): Ditto.
5381 (ix86_expand_move): Ditto.
5382 (ix86_expand_call): Ditto.
5383 (machopic_output_stub): Ditto.
5384 * config/darwin.c (machopic_select_section): Support literal16.
5385 (machopic_select_rtx_section): Ditto.
5386 * config/darwin-sections.def: Ditto.
5387 * config/darwin-64.c: New.
5389 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5392 * c-tree.h (struct c_arg_info): Add pending_sizes.
5393 * c-parser.c (c_parser_parms_declarator,
5394 c_parser_parms_list_declarator): Initialize pending_sizes.
5395 * c-decl.c (get_parm_info): Initialize pending_sizes.
5396 (get_parm_info): Set pending_sizes.
5397 (grokdeclarator): Call put_pending_sizes for parameters for
5398 function definition only.
5400 2006-09-07 Jason Merrill <jason@redhat.com>
5403 * varasm.c (output_constant): Only strip actual no-op conversions.
5406 * config/i386/i386.c (override_options): Use 128-bit
5407 stack boundary if -msse.
5409 2006-09-07 Eric Christopher <echristo@apple.com>
5411 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5413 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5416 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5418 * dwarf2out.c: Remove strange characters from comment above
5419 dwarf2out_frame_debug_expr.
5421 2006-09-07 Eric Christopher <echristo@apple.com>
5423 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5424 * config/darwin.h: ... to here.
5426 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5428 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5430 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5431 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5433 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5434 TARGET_PARTIAL_FLAG_REG_STALL.
5435 (*ashldi3_cconly_rex64): Likewise.
5436 (*ashlsi3_cmp): Likewise.
5437 (*ashlsi3_cconly): Likewise.
5438 (*ashlsi3_cmp_zext): Likewise.
5439 (*ashlhi3_cmp): Likewise.
5440 (*ashlhi3_cconly): Likewise.
5441 (*ashlqi3_cmp): Likewise.
5442 (*ashlqi3_cconly): Likewise.
5443 (*ashrdi3_cmp_rex64): Likewise.
5444 (*ashrdi3_cconly_rex64): Likewise.
5445 (*ashrsi3_cmp): Likewise.
5446 (*ashrsi3_cconly): Likewise.
5447 (*ashrsi3_cmp_zext): Likewise.
5448 (*ashrhi3_cmp): Likewise.
5449 (*ashrhi3_cconly): Likewise.
5450 (*ashrqi3_cmp): Likewise.
5451 (*ashrqi3_cconly): Likewise.
5452 (*lshrdi3_cmp_rex64): Likewise.
5453 (*lshrdi3_cconly_rex64): Likewise.
5454 (*lshrsi3_cmp): Likewise.
5455 (*lshrsi3_cconly): Likewise.
5456 (*lshrsi3_cmp_zext): Likewise.
5457 (*lshrhi3_cmp): Likewise.
5458 (*lshrhi3_cconly): Likewise.
5459 (*lshrqi2_cmp): Likewise.
5460 (*lshrqi2_cconly): Likewise.
5462 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5465 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5466 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5467 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5468 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5469 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5470 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5471 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5472 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5473 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5474 implement only CC setting effects of shift instructions.
5476 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5478 * doc/contrib.texi: Add myself.
5480 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5483 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5484 was set by the user.
5486 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5489 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5490 (divsi_inv_m1): Use them.
5491 (UNSPEC_DIV_INV_TABLE): New constant.
5493 2006-09-06 James E Wilson <wilson@specifix.com>
5496 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5497 then call count_or_remove_death_notes.
5499 2006-09-06 Jason Merrill <jason@redhat.com>
5502 * tree-inline.c (copy_result_decl_to_var): New fn.
5503 (declare_return_variable): Use it. Call declare_inline_vars here.
5504 (expand_call_inline): Not here.
5506 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5508 * doc/contrib.texi: Update my entry.
5510 2006-09-06 Nick Clifton <nickc@redhat.com>
5512 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5514 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5517 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5518 (canonicalize_induction_variables): Likewise.
5519 (tree_unroll_loops_completely): Likewise.
5520 (tree_ssa_prefetch_arrays): Likewise.
5521 (remove_empty_loops): Likewise.
5522 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5523 TODO_cleanup_cfg instead of directly calling
5524 cleanup_tree_cfg_loop.
5525 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5527 (tree_unroll_loops_completely): Likewise.
5528 (remove_empty_loops): Likewise.
5529 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5530 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5531 of tree_ssa_unswitch_loops.
5532 (tree_ssa_loop_ivcanon): Use the return value of
5533 canonicalize_induction_variables.
5534 (tree_ssa_empty_loop): Use the return value of
5536 (tree_complete_unroll): Use the return value of
5537 tree_unroll_loops_completely.
5538 (tree_ssa_loop_prefetch): Use the return value of
5539 tree_ssa_prefetch_arrays.
5540 * passes.c (execute_todo): Before Cleanup CFG, set
5541 updating_used_alone and after cleanup CFG, call
5542 recalculate_used_alone.
5544 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5547 * tree-vect-transform.c (vectorizable_condition): Move the check
5548 for the type after the check for simple condition.
5550 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5551 Kaz Kojima <kkojima@gcc.gnu.org>
5554 * mode-switching.c (optimize_mode_switching): Make the destination
5555 block of an abnormal edge have no anticipatable mode. Don't
5556 insert mode switching code at the end of the source block of
5559 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5561 PR rtl-optimization/26847
5562 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5563 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5564 (simplify_plus_minus): Count n_constants while filling ops. Replace
5565 qsort with insertion sort. Before going through the array to simplify
5566 pairs, sort it. Delay early exit until after the first sort, exiting
5567 only if no swaps occurred. Simplify pairs in reversed order, without
5568 special-casing the first iteration. Pack ops after simplifying pairs.
5570 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5572 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5573 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5574 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5575 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5577 2006-09-05 Richard Guenther <rguenther@suse.de>
5579 PR tree-optimization/28900
5580 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5581 compound conditional before creating COND_EXPR condition.
5583 2006-09-05 Richard Guenther <rguenther@suse.de>
5585 PR tree-optimization/28905
5586 * tree-vrp.c (fix_equivalence_set): Manually implement
5587 !value_ranges_intersect_p to also handle symbolic ranges.
5589 2006-09-05 Richard Guenther <rguenther@suse.de>
5592 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5595 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5597 PR rtl-optimization/27616
5598 * cse.c (table_size): New static variable.
5599 (new_basic_block): Initialize it to 0.
5600 (remove_from_table): Decrement it.
5601 (insert): Increment it.
5602 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5603 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5604 fold_rtx_mem_1 if under the cap.
5605 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5606 the lookup of the equivalent expression and test for equality of the
5607 first operand of the equivalent expression before in turn looking up
5608 an equivalent constant for the second operand.
5610 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5613 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5614 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5615 pointer, instead of assuming it is possible to derive the
5616 correct args size from a call insn.
5618 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5621 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5622 (fold_builtin_mempcpy): Rename to...
5623 (fold_builtin_memory_op): ... this. Optimize one element copy
5625 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5627 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5628 (expand_builtin_memcpy, expand_builtin_mempcpy,
5629 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5630 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5631 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5632 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5634 2006-09-01 DJ Delorie <dj@redhat.com>
5636 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5637 (stzx_16): Likewise.
5638 ("stzx_24_<mode>"): Likewise.
5639 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5640 ("cmp<mode>_op"): New.
5641 (cmp<mode>): Change to expander; just save operands.
5643 (b<code>): Change to expander, emit compare here.
5644 (s<code>_op): Change to use split and expander.
5645 (s<code>_24_op): Likewise.
5646 (s<code>_<mode>): New.
5647 (s<code>_<mode>_24): New.
5648 (movqicc_<code>_<mode): New.
5649 (movhicc_<code>_<mode>): New.
5652 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5653 (m32c_pend_compare): New.
5654 (m32c_unpend_compare): New.
5655 (m32c_expand_scc): New.
5656 (m32c_expand_movcc): Emit the compare also.
5657 * config/m32c/predicates.md (mra_nopp_operand): New.
5659 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5660 Richard Guenther <rguenther@suse.de>
5661 Adam Nemet <anemet@caviumnetworks.com>
5664 * builtins.c (get_pointer_alignment): Handle more forms
5665 of base addresses that can be used to derive more precise
5666 information about alignment.
5668 2006-09-01 Jason Merrill <jason@redhat.com>
5671 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5674 * gimplify.c (voidify_wrapper_expr): Handle null type.
5676 2006-09-01 Josh Conner <jconner@apple.com>
5679 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5680 (execute_return_slot_opt): Use it.
5682 2006-08-31 Josh Conner <jconner@apple.com>
5685 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5686 returning aggregates.
5688 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5690 PR tree-optimization/28839
5691 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5692 blocks in that phi arguments appear.
5694 2006-08-31 Roger Sayle <roger@eyesopen.com>
5697 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5698 NULL, otherwise use an advance_loc4 to adjust relative to the
5700 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5701 (dwarf2out_switch_text_section): Reset the current label to avoid
5702 using advance_loc4 over section boundaries.
5704 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5707 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5708 r12 + SYMBOLIC_CONST.
5710 2006-08-30 Richard Guenther <rguenther@suse.de>
5712 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5714 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5716 PR rtl-optimization/27735
5717 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5718 Add new argument to keep track of whether an irreducible region
5719 was affected. All callers changed.
5720 (fix_irreducible_loops): Removed.
5721 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5722 flags were invalidated.
5724 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5726 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5727 instead of SF operands.
5728 (*fop_df_comm_sse): Likewise.
5729 (*fop_df_comm_i387): Likewise.
5730 (*fop_df_1_mixed): Likewise.
5731 (*fop_df_1_sse): Likewise.
5733 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5734 J"orn Rennecke <joern.rennecke@st.com>
5736 PR tree-optimization/17506
5737 * tree-ssa.c (warn_uninit): If warning about a location outside of
5738 the current function, note where the variable was declared.
5740 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5742 PR tree-optimization/28411
5743 * double-int.c (double_int_div): Use double_int_divmod.
5744 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5745 double_int_mod, double_int_smod, double_int_umod): New functions.
5746 * double-int.h (double_int_divmod, double_int_sdivmod,
5747 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5749 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5751 (get_computation_aff, get_computation_cost_at): Handle double_int
5752 return type of constant_multiple_of.
5754 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5757 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5758 an implicit conversion.
5760 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5762 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5764 2006-08-27 Roger Sayle <roger@eyesopen.com>
5766 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5769 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5771 * config/i386/crtfastmath.c: Fix a comment typo.
5773 2006-08-26 Roger Sayle <roger@eyesopen.com>
5775 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5776 temporary visit flags on CASE_LABEL_EXPRs.
5777 * c-common.c (match_case_to_enum): Add function comment. Avoid
5778 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5779 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5780 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5781 a constant, only warn if that constant value isn't handled.
5783 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5786 * input.h (restore_input_file_stack): Declare.
5787 (INPUT_FILE_STACK_BITS): Define.
5788 * toplev.c (fs_p, input_file_stack_history,
5789 input_file_stack_restored, restore_input_file_stack): New.
5790 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5791 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5792 (pop_srcloc): Don't free old state of stack.
5794 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5797 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5798 (PowerPC Type Attributes): New.
5800 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5802 * config/xtensa/xtensa.c (function_arg_boundary): New.
5803 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5805 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5806 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5808 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5811 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5814 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5816 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5817 (verify_local_live_at_start): Likewise.
5819 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5822 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5823 omp_add_variable): Treat sizes as variable whenever not
5826 2006-08-26 Richard Guenther <rguenther@suse.de>
5829 * fold-const.c (fold_binary): Fold temporary to correct
5830 type before constructing new comparison.
5832 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5835 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5836 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5838 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5841 * c-decl.c (start_function): Don't try to process prototype
5842 information from old declaration that isn't a function.
5844 2006-08-25 Jan Hubicka <jh@suse.cz>
5847 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5849 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5852 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5855 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5857 PR tree-optimization/16876
5858 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5859 exit if PARM doesn't match VALUE.
5861 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5863 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5864 literal_prefix directive.
5865 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5866 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5867 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5869 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5872 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5873 predicate to general_operand. Add 0->y and I->r alternatives.
5875 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5877 * doc/tm.texi: Fix a typo.
5878 * predict.c: Fix comment typos.
5880 2006-08-25 Nick Clifton <nickc@redhat.com>
5882 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5883 assertions of "cpu" and "machine".
5885 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5888 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5889 the access through a base which has an alias set of 0 cannot
5892 2006-08-24 Bill Wendling <wendling@apple.com>
5894 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5896 2006-08-24 Jan Hubicka <jh@suse.cz>
5898 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5900 2006-08-24 Jan Hubicka <jh@suse.cz>
5903 * cgraph.c: Fix comments.
5904 (cgraph_varpool_mark_needed_node): Mark only variables not already
5906 * cgraphunit.c: Update comments; include gt-cgraphunit.h
5907 (cgraph_varpool_assembled_nodes_queue): New static variable.
5908 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
5909 (cgraph_varpool_output_debug_info): New function.
5910 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
5911 * Makefile.in: Add gt-cgraphunit.h
5913 2006-08-24 Jan Hubicka <jh@suse.cz>
5915 * predict.c (probability_reliable_p): New predicate.
5916 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
5917 (predict_loops): Do not predict loop exit with less than 2%
5919 * basic-block.h (edge_probability_reliable_p,
5920 br_prob_note_reliable_p): Declare.
5921 * ia64.h (ia64_print_operand): Do not disable on-chip branch
5922 prediction when static predictor is not reliable.
5923 * rs6000.c (output_cbranch): Likewise.
5925 2006-08-23 Stuart Hastings <stuart@apple.com>
5928 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
5929 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
5931 2006-08-21 Geoffrey Keating <geoffk@apple.com>
5934 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
5935 complex values, nor for generic vector values.
5937 2006-08-22 Richard Guenther <rguenther@suse.de>
5940 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
5941 parameter. Convert arguments to arithmetic expression to the
5943 (analyze_scalar_evolution_1): Adjust caller.
5945 2006-08-22 Jan Hubicka <jh@suse.cz>
5947 Patch by Paolo Bonzini
5948 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
5951 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
5953 PR tree-optimization/28003
5954 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
5955 before grouping aliases.
5957 2006-08-22 Roger Sayle <roger@eyesopen.com>
5959 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
5960 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
5962 2006-08-21 Jason Merrill <jason@redhat.com>
5965 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
5966 wrapper. Loop to handle nested wrappers.
5967 (gimplify_bind_expr): Remove temp parameter.
5968 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
5969 and STATEMENT_LIST on the rhs.
5970 (gimplify_statement_list): Voidify the STATEMENT_LIST.
5971 (gimplify_expr): Pass pre_p to gimplify_statement_list.
5972 (gimplify_target_expr): Remove special BIND_EXPR handling.
5974 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
5976 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
5979 2006-08-21 Olivier Hainque <hainque@adacore.com>
5981 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
5982 Arrange for the temporary captures of components overlapping the lhs
5983 to happen before the lhs is possibly cleared.
5985 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
5987 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
5988 necessary places to pass the correct "number of registers" values
5991 2006-08-20 Jan Hubicka <jh@suse.cz>
5993 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
5994 (create_name_tags): Instead of quadratic checking use hashtable.
5995 * bitmap.h: Include hashtab.h.
5996 (bitmap_hash): Declare.
5997 * bitmap.c (bitmap_hash): New function.
5999 2006-08-20 Jan Hubicka <jh@suse.cz>
6001 PR rtl-optimization/28071
6002 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6004 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6005 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6006 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6007 cgraph_decide_inlining_incrementally): Update use of
6008 cgraph_check_inline_limits.
6009 * cgraph.c (edge_hash, edge_eq): New function.
6010 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6011 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6012 cgraph_remove_node): Maintain call site hash.
6013 * cgraph.h (struct cgraph_node): Add call_site_hash.
6014 (cgraph_set_call_stmt): New function.
6016 2006-08-20 Jan Hubicka <jh@suse.cz>
6018 PR rtl-optimization/28071
6019 * reload1.c (reg_has_output_reload): Turn into regset.
6020 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6021 choose_reload_regs, emit_reload_insns): Update to new
6022 reg_has_output_reload.
6024 2006-08-20 Jan Hubicka <jh@suse.cz>
6027 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6028 function body sizes.
6029 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6031 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6034 * tree.c (handle_dll_attribute): Return early if not a
6035 var or function decl.
6037 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6040 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6041 alignment of SPE vector types.
6043 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6045 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6047 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6050 * cgraph.h (struct cgraph_node): Remove externally_visible
6052 * cgraphunit.c (process_function_and_variable_attributes): Set
6053 local.externally_visible rather than externally_visible.
6056 * c-common.c (handle_externally_visible_attribute): First look
6057 at TREE_CODE and only if it is function or var decl, check for
6058 non-public objects. Don't warn for DECL_EXTERNAL.
6059 * cgraphunit.c (process_function_and_variable_attributes): Warn
6060 if externally_visible attribute is used on non-public object.
6062 2006-08-17 Jan Hubicka <jh@suse.cz>
6064 PR tree-optimization/27865
6065 * reload1.c (forget_marked_reloads): New function.
6066 (forget_old_reloads_1): When data are passed, just mark the registers
6068 (reload_as_needed): Use the new mechanizm.
6070 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6073 * reload.h (reg_equiv_alt_mem_list): New declaration.
6074 * reload1.c (reg_equiv_alt_mem_list): New definition.
6075 (reload): Initialize it and release it.
6076 (delete_output_reload): Use it.
6077 * reload.c (push_reg_equiv_alt_mem): New function.
6078 (find_reloads_toplev): Call it.
6079 (find_reloads_address, find_reloads_address_1): Likewise.
6080 (find_reloads_subreg_address): Likewise.
6082 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6084 PR rtl-optimization/28489
6085 * sched-ebb.c (begin_schedule_ready): Create basic block
6087 (advance_target_bb): Skip empty blocks.
6088 * haifa-sched.c (bb_note): Make global.
6089 * sched-int.h (bb_note): Add prototype.
6091 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6093 PR tree-optimization/27865
6094 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6096 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6097 fold_used_pointer, pointer_used_p): New functions.
6098 (analyze_scalar_evolution_1): Use fold_used_pointer.
6099 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6100 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6103 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6106 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6107 or the INTEGER_CST. Fail on a CALL_EXPR.
6108 (fold_offsetof): Pass new argument to fold_offsetof_1.
6109 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6110 operand into an INDIRECT_REF.
6111 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6113 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6115 PR gcov/profile/26570
6116 * value-prof.c (static_values): Removed.
6117 (tree_find_values_to_profile): Do not set static_values.
6118 (find_values_to_profile): Do not free static_values.
6119 * profile.c (instrument_values): Do not free the values.
6120 (branch_prob): Free the values.
6122 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6124 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6126 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6129 * c-typeck.c (build_component_ref): Combine qualifiers of
6130 structure or union and field.
6132 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6134 PR rtl-optimization/28071
6135 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6136 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6137 * tree-into-ssa.c (struct dom_dfsnum): New.
6138 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6140 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6141 compute_global_livein.
6142 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6143 in phi nodes in the correct blocks.
6145 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6147 PR tree-optimization/28364
6148 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6150 (fold_affine_expr): New function.
6151 (may_eliminate_iv): Use fold_affine_expr.
6153 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6156 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6159 2006-08-16 Mike Stump <mrs@apple.com>
6161 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6162 * doc/cppopts.texi (-MD): Likewise.
6164 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6167 * c-common.c (handle_weak_attribute): Ignore and warn if
6168 not a FUNCTION_ or VAR_DECL.
6170 2006-07-15 Mike Stump <mrs@apple.com>
6173 * c-parser.c (c_parser_typeof_specifier): Don't use
6174 c_finish_expr_stmt, open code desired semantics instead.
6176 2006-08-15 Nick Clifton <nickc@redhat.com>
6178 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6179 fragment to tmake_file only if threads are enabled.
6180 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6181 * config/i386/t-gthr-win32: New file. ... here.
6183 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6186 * c-parser.c (c_parser_compound_statement_nostart): Reset
6187 parser->error after each statement.
6189 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6192 * omp-low.c (lower_omp_parallel): Convert t to
6193 receiver_decl's type.
6194 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6195 source before comparison.
6198 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6199 to itype in assignment to oldival2.
6201 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6205 * c-typeck.c (build_compound_expr): If the second expression
6206 is an error mark, then just return an error mark instead of
6207 creating a COMPOUND_EXPR.
6209 2006-07-14 Mike Stump <mrs@apple.com>
6211 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6213 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6215 * c-decl.c, var-tracking.c: Fix comment typos.
6217 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6219 PR rtl-optimization/28634
6220 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6221 for floating-point modes unless flag_unsafe_math_optimizations.
6223 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6224 Andrew Pinski <pinskia@physics.uc.edu>
6227 * tree.c (build_array_type): Unify array types with
6228 unspecified index_type.
6229 * c-decl.c (grokdeclarator): Make sure we do not modify a
6230 unified incomplete array type.
6231 * c-typeck.c (store_init_value): Create distinct type before
6232 filling in the index type in an initializer from a compound
6235 * c-decl.c (grokdeclarator): Remove code where we copy the
6238 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6240 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6241 into account for TODO_dump_cgraph.
6242 (TODO_update_ssa_no_phi): Likewise.
6243 (TODO_update_ssa_full_phi): Likewise.
6244 (TODO_update_ssa_only_virtuals): Likewise.
6245 (TODO_remove_unused_locals): Likewise.
6246 (TODO_set_props): Likewise.
6247 (TODO_update_stmt_usage): Likewise.
6249 2006-08-13 Dirk Mueller <dmueller@suse.de>
6251 * c-common.c (strict_aliasing_warning): Fix formatting.
6253 2006-08-13 Matthias Klose <doko@debian.org>
6255 * doc/invoke.texi: Fix spelling errors.
6257 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6259 PR rtl-optimization/23454
6260 * reorg.c (relax_delay_slots): Update comment.
6262 2006-08-11 Richard Guenther <rguenther@suse.de>
6265 * simplify-rtx.c (simplify_const_relational_operation):
6266 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6269 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6271 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6272 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6274 2006-08-10 Paul Brook <paul@codesourcery.com>
6276 * final.c (final_scan_insn): Clear current_insn_predicate before
6277 outputting inline asm.
6279 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6281 PR tree-optimization/26197
6282 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6283 get_ref_base_and_extent and overlap_subvar to add only relevant
6284 subvars as may-aliases.
6285 (add_may_alias_for_new_tag): New function, factored out of
6287 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6288 with additional argument.
6289 * tree-flow.h (new_type_alias): Takes additional argument.
6291 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6293 * gcov.c (no_data_file): New flag.
6294 (read_count_file): Set it if data file not present. Assume counts
6296 (output_lines): Don't name the data file, if there wasn't one.
6298 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6300 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6301 (rs6000_generate_compare): Tweak comments.
6302 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6304 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6306 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6307 (var_debug_decl): New function.
6308 (var_reg_set): Follow debug decl link. Add location even if
6309 reg is already known to hold some other variable.
6310 (var_mem_set): Follow debug decl link.
6311 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6312 decl link. Delete other known locations of the variable part
6314 (var_reg_delete, var_mem_delete): Delete other known locations
6315 of the variable part if requested.
6316 (same_variable_part_p): New function.
6317 (add_stores): Select MO_COPY when appropriate.
6318 (vt_initialize): Handle it.
6319 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6320 known locations for MO_SET and MO_CLOBBER.
6321 (find_variable_location_part): New function.
6322 (set_variable_part, delete_variable_part): Use it.
6323 (clobber_variable_part): New function.
6324 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6327 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6329 PR tree-optimization/26969
6330 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6331 with an empty list of PHIs.
6333 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6337 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6340 2006-08-06 Andreas Schwab <schwab@suse.de>
6342 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6343 string. Whitespace and comment fixup.
6345 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6348 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6352 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6355 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6357 2006-08-04 Jan Hubicka <jh@suse.cz>
6361 * reload.c (push_reload): Patch out the mismatching instruction;
6363 (find_reload): Bail out if the instruction was patched out.
6365 2006-08-04 Jan Hubicka <jh@suse.cz>
6367 PR tree-optimization/24888
6368 * tree-inline.c (expand_call_inline): Do not re-record variables.
6369 (declare_inline_vars): Add variable to unexpanded_var_list.
6371 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6372 Roger Sayle <roger@eyesopen.com>
6374 PR rtl-optimization/26244
6375 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6376 inner_const are negative or greater than or equal to the bitsize of
6377 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6378 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6379 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6380 CONST0_RTX (mode) when the new shift count is greater than or equal to
6381 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6384 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6386 * tree-cfg.c: Fix a comment typo.
6388 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6391 * varasm.c (output_constant): Give the front end another chance to
6392 expand constants, after stripping NOPs.
6394 2006-08-03 Jan Hubicka <jh@suse.cz>
6396 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6399 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6401 PR tree-optimization/27770
6402 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6403 declaration removed (moved to tree-flow.h).
6404 (vect_can_force_dr_alignment_p): Likewise.
6405 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6406 (moved from tree-vectorizer.h).
6407 (vect_can_force_dr_alignment_p): Likewise.
6408 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6409 from outside the vectorizer - in particular from cgraph stage.
6410 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6411 the alignment of global arrays when -fsection-anchors is enabled.
6412 * cgraphunit.c (cgraph_increase_alignment): New function.
6413 (cgraph_optimize): Call cgraph_increase_alignment.
6415 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6418 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6419 not reload a SPE symbol_ref into a lo_sum address.
6421 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6424 * dwarf2out.c (prune_unused_types_prune): Move call to
6425 prune_unused_types_update_strings to cover the parent DIE also.
6427 2006-08-02 Jan Hubicka <jh@suse.cz>
6429 PR gcov/profile/28480
6430 * tree-cfg.c (change_bb_for_stmt): New function.
6431 (tree_merge_blocks, tree_split_blocks): Use it.
6433 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6439 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6440 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6441 (cgraph_optimize): Likewise.
6443 2006-08-01 Stuart Hastings <stuart@apple.com>
6445 * rtl.h (UINTVAL) New.
6446 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6447 * testsuite/gcc.dg/20060801-1.c: New.
6449 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6452 * c-typeck.c (build_external_type): Mark used enum types.
6453 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6455 (gen_subprogram_die): Whitespace fix.
6457 2006-08-01 Jan Hubicka <jh@suse.cz>
6459 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6460 bitmap when not needed.
6461 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6464 2006-08-01 Dirk Mueller <dmueller@suse.de>
6466 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6468 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6470 * Makefile.in: Revert part of previous patch:
6471 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6474 2006-07-30 Eric Christopher <echristo@apple.com>
6477 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6478 (PowerPC Variable Attributes): New section.
6480 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6482 PR target/28126 (partial fix)
6483 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6485 2006-07-28 Jan Hubicka <jh@suse.cz>
6487 PR rtl-optimization/28071
6488 * cfgrtl.c (rtl_delete_block): Free regsets.
6489 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6491 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6493 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6494 and variables used in dependencies.
6496 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6498 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6499 %fs for -mcmodel=kernel.
6500 (stack_tls_protect_test_di): Likewise.
6502 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6504 * Makefile.in: Use mkinstalldirs.
6506 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6509 * opts-common.c (prune_options): Skip joined switches.
6511 2006-07-27 Jan Hubicka <jh@suse.cz>
6513 PR rtl-optimization/28071
6514 * cselib.c (cselib_process_insn): Don't remove useless values too
6515 often for very large hashtables.
6517 2006-07-27 Jan Hubicka <jh@suse.cz>
6519 PR rtl-optimization/28071
6520 * global.c (greg_obstack): New obstack.
6521 (allocate_bb_info): Use it.
6522 (free_bb_info): Likewise.
6523 (modify_reg_pav): Likewise.
6525 2006-07-27 Roger Sayle <roger@eyesopen.com>
6527 * builtins.c (fold_fixed_mathfn): When long and long long are the
6528 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6529 functions to their lceil*, lfloor*, lround* and lrint* forms.
6531 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6534 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6536 (rev_branch_insn): Likewise.
6538 2006-07-27 Jan Hubicka <jh@suse.cz>
6540 PR rtl-optimization/28071
6541 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6542 (reg_set_in_bb, max_reg_computed): New static variables.
6543 (regmove_optimize): Free the new array.
6544 (fixup_match_1): Update call of reg_is_remote_constant_p.
6546 2006-07-26 Jan Hubicka <jh@suse.cz>
6548 PR tree-optimization/27882
6549 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6551 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6553 (cgraph_analyze_compilation_unit): Likewise.
6554 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6555 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6556 (cgraph_early_inlinine): Make order garbage collected.
6557 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6559 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6561 * dbxout.c (output_types_sort): Add a comment.
6562 (output_used_types): Free the VEC.
6564 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6566 * function.c (reorder_fix_fragments): Delete.
6567 (reorder_blocks): Don't call it.
6568 (reorder_blocks_1): Put all subblocks under the origin block.
6570 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6572 PR rtl-optimization/27907
6573 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6576 2006-07-25 Roger Sayle <roger@eyesopen.com>
6579 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6580 bar(x) check that bar's result type can represent all the values of T.
6582 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6584 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6586 2006-07-25 Nick Clifton <nickc@redhat.com>
6588 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6589 size_lookup[] array.
6590 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6591 (ggc_pch_count_object): Likewise.
6592 (ggc_pch_alloc_object): Likewise.
6593 (ggc_pch_write_object): Likewise.
6594 (init_ggc): Do not attempt to initialize entries in the
6595 size_lookup[] array for objects whose size is greater than than
6596 the length of the array.
6598 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6600 * dbxout.c (output_used_types_helper): Push queued types
6602 (output_types_sort): New.
6603 (output_used_types): Collect used types on a VEC and sort them
6606 2006-07-24 Richard Guenther <rguenther@suse.de>
6609 * cgraph.c (cgraph_remove_node): Do not check if dumps
6611 * cgraphunit.c (cgraph_optimize): Likewise.
6613 2006-07-24 Jan Hubicka <jh@suse.cz>
6615 PR rtl-optimization/28071
6616 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6617 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6618 splitting before first stmt.
6620 2006-07-24 Jan Hubicka <jh@suse.cz>
6622 PR rtl-optimization/28071
6623 * ipa-inline.c (update_caller_keys): Remove edges that
6624 are no longer inline candidates.
6626 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6629 * dbxout.c (output_used_types_helper, output_used_types): New.
6630 (dbxout_symbol): Call output_used_types.
6632 2006-07-23 Jan Hubicka <jh@suse.cz>
6636 * cgraph.c (cgraph_varpool_nodes): Export.
6637 (decide_is_variable_needed): Ignored "used" attribute in
6638 unit-at-a-time mode.
6639 * cgraph.h (cgraph_varpool_nodes): Declare.
6640 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6641 unit-at-a-time mode.
6643 2006-07-23 Roger Sayle <roger@eyesopen.com>
6646 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6647 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6648 the __gthrw form of thr_keycreate.
6649 (__gthread_key_delete): Silence the unused argument warning.
6651 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6654 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6655 Cache the last found '\0' marker to avoid quadratic behavior.
6657 2006-07-23 Jan Hubicka <jh@suse.cz>
6659 * i386.md (subsi_3_zext): Fix output template.
6661 2006-07-21 Mike Stump <mrs@apple.com>
6663 * doc/invoke.texi (C++ Dialect Options): Note that
6664 -fvisibility-inlines-hidden doesn't affect explicitly
6665 instantiationed inline methods.
6667 2006-07-20 Roger Sayle <roger@eyesopen.com>
6669 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6670 if the target assembler is GNU binutils' gas.
6671 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6672 whether to pass GNU gas or native as command line options.
6674 2006-07-20 Jason Merrill <jason@redhat.com>
6676 * tree.c (remove_attribute): New fn.
6677 * tree.h: Declare it.
6679 2006-07-20 Paul Brook <paul@codesourcery.com>
6682 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6683 they are invalidated by this instruction.
6685 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6688 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6690 2006-07-20 Eric Christopher <echristo@apple.com>
6693 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6695 2006-07-19 Eric Christopher <echristo@apple.com>
6697 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6698 Rewrite dependencies for libgcc_s.1.dylib.
6700 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6702 * except.c (duplicate_eh_regions_1): Clear next_peer.
6704 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6706 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6707 -mlongcall does not guarantee all calls will be long.
6708 * doc/extend.texi (long_call/short_call): Document that longcall
6709 does not guarantee a long call will be used.
6710 (longcall/shortcall): Likewise.
6712 2006-07-18 Roger Sayle <roger@eyesopen.com>
6715 * expmed.c (expand_shift): Additionally check that the shift_cost
6716 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6717 before implementing a LSHIFT_EXPR as a sequence of additions.
6718 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6719 middle-end that DImode shifts need to be synthesized by expand.
6721 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6724 * tree-ssa-operands.c (access_can_touch_variable): Update
6726 Return true if ALIAS is .GLOBAL_VAR.
6728 2006-07-18 David Daney <ddaney@avtrex.com>
6730 * gcc.c (display_help): Fix typo in help text.
6732 2006-07-18 Olivier Hainque <hainque@adacore.com>
6734 * tree.h (categorize_ctor_elements): Adjust prototype and add
6735 descriptive comment, both in accordance with the interface change
6737 * varasm.c (constructor_static_from_elts_p): New function.
6738 Whether a constructor node is a valid static constant initializer
6739 if all its elements are.
6740 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6741 * output.h: Declare it.
6742 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6743 is a valid constant initializer instead of computing the number of
6744 non-constant elements. Use constructor_static_from_elts_p for this
6745 purpose. Replace the head comment with an indication that this is a
6746 helper for categorize_ctor_elements.
6747 (categorize_ctor_elements): Same interface change as for the _1
6748 helper. Former head comment from this helper moved here, adjusted to
6749 account for the interface changes.
6750 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6751 (all_zeros_p): Likewise.
6752 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6753 static versions of the constructor from the categorize_ctor_elements
6754 return value instead of the formerly computed number of non-constant
6757 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6759 * configure: Regenerate.
6760 * Makefile.in (build_libsubdir): New configure substitution
6761 (build_libobjdir): New variable.
6762 (BUILD_LIBIBERTY): Use it.
6764 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6767 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6769 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6772 * c-common.c (handle_weakref_attribute): Ignore attribute in
6773 the same conditions the alias attribute is ignored.
6775 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6777 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6778 (dbxout_begin_prologue): Increment scope_labelno.
6780 2006-07-17 Richard Henderson <rth@redhat.com>
6783 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6786 2006-07-17 Roger Sayle <roger@eyesopen.com>
6787 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6789 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6790 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6791 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6792 functions such as sbrk, write, etc.. Add function prototypes.
6793 Convert function declarations from K&R to ISO C. Cast pointers
6794 to "long" and "unsigned long" instead of "int" and "unsigned int".
6795 Convert tokens following #endif into comments.
6797 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6799 * invoke.texi: Remove mention of f77; Reformat table for
6800 inline parameter options correctly; mention that -malign-double
6801 is default on x86-64 targets.
6803 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6805 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6806 (convert_affine_scev, chrec_convert_aggressive): Use
6807 avoid_arithmetics_in_type_p. Do not check for the subtypes
6810 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6813 * optabs.c (expand_doubleword_shift): Wrap the call to
6814 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6816 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6819 * optabs.c (expand_binop): Pass next_methods rather than methods
6820 to expand_doubleword_shift.
6822 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6825 * tree.h (dump_addr): Declare.
6826 * print-tree.c (dump_addr): New function.
6827 (print_node_brief, print_node): Use it.
6828 * print-rtl.c (print_rtx): Likewise.
6829 * common.opt (-fdump-noaddr): New option.
6830 * doc/invoke.texi (-fdump-noaddr): Document.
6831 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6832 (ve_info_hash): Likewise.
6834 2006-07-13 Andrew Haley <aph@redhat.com>
6836 PR tree-optimization/19505
6837 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6838 edge leaving this block, make sure that the destination of this
6839 block has only one predecessor.
6841 2006-07-17 Richard Guenther <rguenther@suse.de>
6843 PR tree-optimization/28238
6844 * tree-inline.c (copy_bb): Check if we produced valid
6845 gimple copying and substituting a stmt. If not, gimplify
6848 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6850 * optabs.c (maybe_encapsulate_block): New function extracted from...
6851 (emit_libcall_block): ...here. Invoke it on the block of insns to
6852 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6853 (emit_no_conflict_block): Likewise.
6855 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6857 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6859 2006-07-15 Roger Sayle <roger@eyesopen.com>
6861 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6862 a new NOP_EXPR case of the switch statement.
6864 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6867 * stor-layout.c (place_field): Take the bit field with
6868 an excessive size into account in the ms-bitfiled case.
6871 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6872 the previous bit field.
6874 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6877 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6879 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6881 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6882 signal frames correctly even when the signal was installed with
6885 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6887 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6888 (dbxout_function_end): Use local label LFBB. Remove hook
6890 (dbxout_source_line): Use local label LFBB.
6891 (dbxout_block): Likewise.
6892 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6893 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6894 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6895 and DBX_OUTPUT_NFUN.
6897 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6899 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6901 2006-07-13 Jan Hubicka <jh@suse.cz>
6903 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6905 * output.h (align_variable): Declare.
6906 * varasm.c (align_variable): Export.
6907 * value-prof.c (tree_value_profile_transformations): Recompute iterator
6908 when basic block changed.
6910 2006-07-13 Nick Clifton <nickc@redhat.com>
6912 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
6913 walking the LOG_LINKS chain.
6915 2006-07-12 Geoffrey Keating <geoffk@apple.com>
6917 * doc/invoke.texi (C++ Dialect Options): Explain difference
6918 between -fvisibility-inlines-hidden and setting hidden
6919 visibility explicitly.
6921 2006-07-12 Eric Christopher <echristo@apple.com>
6923 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
6924 (stmp-lipo): Depend on libgcc.a.
6926 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
6928 * tree.c: Fix a comment typo.
6930 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
6932 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
6934 (umulhisi3_r): Likewise.
6936 2006-07-12 Paolo Carlini <pcarlini@suse.de>
6939 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
6940 x < 19, vs wchar_t support.
6942 2006-07-12 Nick Clifton <nickc@redhat.com>
6944 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
6945 instead of -isa=sh4.
6947 2006-07-12 Mike Stump <mrs@apple.com>
6949 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
6951 2006-07-10 Eric Christopher <echristo@apple.com>
6953 * config/t-slibgcc-darwin: Rewrite.
6955 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
6958 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
6961 2006-07-08 Matthias Klose <doko@debian.org>
6963 * doc/sourcebuild.texi: Fix typo.
6965 2006-07-07 Mike Stump <mrs@apple.com>
6967 * toplev.c (process_options): Don't give -ffunction-sections may
6968 affect debugging warning for Mach-O.
6970 2006-07-07 James E Wilson <wilson@specifix.com>
6972 * config/mips/mips.md (cpu): Add sb1a.
6973 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
6974 addition to sb1. Adjust comments to clarify SB-1A differences from
6976 (ir_sb1a_load): New. Modify bypasses to use it.
6977 (ir_sb1a_simple_alu): Likewise.
6978 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
6979 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
6980 (mips_issue_rate): Add PROCESSOR_SB1A.
6981 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
6982 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
6983 (TARGET_SB1): Add PROCESSOR_SB1A check.
6984 (TUNE_SB1): Likewise.
6986 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
6987 * config/mips/mips.c (mips_store_data_bypass_p): New.
6988 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
6989 store_data_bypass_p.
6991 2006-07-08 Paul Brook <paul@codesourcery.com>
6994 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
6996 2006-07-07 Richard Guenther <rguenther@suse.de>
6999 * tree.h (build_one_cst): Declare.
7000 * tree.c (build_one_cst): New function.
7001 * tree-ssa-math-opts.c (get_constant_one): Remove.
7002 (insert_reciprocals): Use build_one_cst.
7003 * fold-const.c (fold_plusminus_mult): Likewise.
7005 2006-07-07 Roger Sayle <roger@eyesopen.com>
7007 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7008 * cfgloopanal.c (dump_graph): Likewise.
7009 * dojump.c (discard_pending_stack_adjust): Likewise.
7010 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7012 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7013 * function.c (finalize_block_changes): Likewise.
7014 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7015 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7016 * rtl.c (dump_rtx_statistics): Likewise.
7017 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7019 * varray.c (dump_varray_statistics): Likewise.
7020 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7021 decode_decimal64, encode_decimal128, decode_decimal128,
7022 decimal_real_to_decimal): Likewise.
7024 2006-07-07 Richard Guenther <rguenther@suse.de>
7026 PR tree-optimization/28187
7027 * tree-vrp.c (vrp_operand_equal_p): New function.
7028 (vrp_bitmap_equal_p): Likewise.
7029 (update_value_range): Use them to compare old and new
7032 2006-07-06 Roger Sayle <roger@eyesopen.com>
7034 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7035 a default case to switch statement to silence compiler warnings.
7037 2006-07-06 Roger Sayle <roger@eyesopen.com>
7040 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7041 the configured assembler supports the x87's ffreep mnemonic.
7042 * configure: Regenerate.
7043 * config.in: Regenerate.
7045 * config/i386/i386.c (output_387_ffreep): New function.
7046 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7047 (output_387_reg_move): Likewise.
7049 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7051 Port to hosts whose 'sort' and 'tail' implementations
7052 treat operands with leading '+' as file names, as POSIX
7053 has required since 2001. However, make sure the code still
7054 works on pre-POSIX hosts.
7055 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7056 which says you should use "tail -c +N" rather than "tail +Nc".
7057 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7059 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7061 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7064 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7067 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7068 PRE_{INC,DEC} of TFmode.
7070 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7071 Alan Modra <amodra@bigpond.net.au>
7074 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7077 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7080 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7081 Remove duplicate gtu.
7083 2006-07-05 Jason Merrill <jason@redhat.com>
7087 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7088 * c-common.c (handle_packed_attribute): So don't copy it here.
7089 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7091 2006-07-05 Mike Stump <mrs@apple.com>
7093 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7095 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7098 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7100 2006-07-05 Richard Guenther <rguenther@suse.de>
7103 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7104 TARGET_SSE2 targets if using SSE math.
7105 (*absdf2_1): Likewise.
7107 2006-07-05 Richard Guenther <rguenther@suse.de>
7109 PR tree-optimization/28162
7110 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7111 make sure to convert the operands to the correct type.
7113 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7115 PR tree-optimization/28218
7117 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7118 to calculate and free the dominator information.
7120 2006-07-04 Peter O'Gorman <peter@pogma.com>
7122 * mklibgcc.in: chmod 644 before ranlib during install.
7124 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7125 J"orn Rennecke <joern.rennecke@st.com>
7127 * configure.ac (.eh_frame data check): Use diff -b.
7129 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7132 * Makefile.in (BUILD_RTL): Add build/vec.o.
7133 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7134 (build/genextract): Delete.
7135 (build/genautomata): Likewise.
7137 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7140 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7141 128-bit IBM long doubles for ABI_V4.
7143 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7145 * tree.c (range_in_array_bounds_p): New predicate.
7146 * tree.h (range_in_array_bounds_p): Declare it.
7147 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7148 return a less conservative answer.
7149 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7150 and flag 'is_group'.
7151 (IS_ELEMENT_FOR_GROUP): New macro.
7152 (FOR_EACH_ACTUAL_CHILD): Likewise.
7153 (next_child_for_group): New helper function.
7154 (can_completely_scalarize_p): Take into account groups.
7155 (sra_hash_tree): Handle RANGE_EXPR.
7156 (sra_elt_eq): Likewise.
7157 (lookup_element): Be prepared for handling groups.
7158 (is_valid_const_index): Delete.
7159 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7160 instead of is_valid_const_index.
7161 <ARRAY_RANGE_REF>: New case.
7162 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7163 is_valid_const_index.
7164 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7165 (scan_dump): Dump info for groups too.
7166 (decide_instantiation_1): Likewise.
7167 (decide_block_copy): Assert that the element is not a group.
7168 Propagate decision to groups.
7169 (generate_one_element_ref): Handle RANGE_EXPR.
7170 (mark_no_warning): Iterate over actual childs.
7171 (generate_copy_inout): Likewise.
7172 (generate_element_copy): Likewise.
7173 (generate_element_zero): Likewise.
7174 (generate_element_init_1): Likewise.
7175 (dump_sra_elt_name): Handle RANGE_EXPR.
7177 2006-07-03 Roger Sayle <roger@eyesopen.com>
7179 PR tree-optimization/26251
7180 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7181 (thread_block): When optimizing for size refuse to thread jumps
7182 that would require duplication of blocks other than redirection
7185 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7187 * configure.ac: Fix thinko in previous check-in.
7188 * configure: Regenerate.
7190 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7193 * configure.ac (for lang...): Simplify nesting of conditionals.
7194 Test subdir_requires for non-enabled languages. Move processing
7195 of lang_opt_files and lang_tree_fiels below that test.
7196 * configure: Regenerate.
7197 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7199 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7201 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7203 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7205 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7208 2006-06-29 Jason Merrill <jason@redhat.com>
7215 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7216 * c-common.c (c_determine_visibility): Handle it here.
7217 * c-decl.c (finish_decl): Call c_determine_visibility for
7219 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7221 * varasm.c (default_assemble_visibility): Likewise.
7222 * c-common.c (handle_visibility_attribute): Complain about trying
7223 to give visibility to an already defined class, or trying to change
7224 declared visibility. Always attach the attribute.
7229 * attribs.c (decl_attributes): Ignore type-in-place attributes
7230 once the type has been defined.
7232 2006-06-29 Roger Sayle <roger@eyesopen.com>
7235 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7236 to indicate the cpplib has issued an error message for us.
7238 2006-06-29 Asher Langton <langton2@llnl.gov>
7241 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7242 insert a label at the end of an function under Mach-O.
7244 2006-06-29 Eric Christopher <echristo@apple.com>
7245 Evan Cheng <evan.cheng@apple.com>
7247 * predicates.md (vector_all_ones_operand): New.
7248 (nonimmediate_or_sse_const_operand): Ditto.
7249 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7250 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7251 (standard_sse_mode_p): Ditto.
7252 (standard_sse_constant_p): Add case for -1 vector.
7253 (ix86_expand_vector_move): Try to use.
7254 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7255 Call standard_sse_constant_opcode.
7256 (*movv4sf_internal): Ditto.
7257 (*movv2df_internal): Ditto.
7259 2006-06-29 Roger Sayle <roger@eyesopen.com>
7261 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7262 of XEXP to extract the operands of a MATCH_CODE rtx.
7264 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7266 * tree.c (tree_size): Do not waste tail padding in
7267 struct tree_string and make the size be the same as
7268 build_string will generate.
7270 2006-06-28 Jason Merrill <jason@redhat.com>
7273 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7274 may_aliases already in the tag's annotations to the bitmap.
7276 2006-06-28 Roger Sayle <roger@eyesopen.com>
7278 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7280 2006-06-28 Roger Sayle <roger@eyesopen.com>
7282 * genpreds.c (generate_switch_p): New function.
7283 (add_mode_tests): Push the new mode test down inside an AND expr
7284 if this allows the switch-suitable MATCH_CODE to be near the root.
7285 (write_match_code_switch): New function to write a MATCH_CODE as
7287 (write_predicate_stmts): New function to write a predicate RTX
7288 expression as a sequence of statements.
7289 (write_one_predicate_function): Use write_predicate_stmts.
7290 (write_tm_constrs_h): Likewise.
7292 2006-06-26 Fred Fish <fnf@specifix.com>
7294 * config/mips/t-sb1: New file.
7295 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7298 2006-06-26 DJ Delorie <dj@redhat.com>
7300 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7302 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7303 Jayant Sonar <jayants@kpitcummins.com>
7304 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7306 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7307 (subsi3, subsi3_1, subsi3_2): New.
7308 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7309 * config/m32c/mov.md (SI mov peephole): New.
7310 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7311 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7313 2006-06-26 Olivier Hainque <hainque@adacore.com>
7315 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7316 a CALL_EXPR target function declaration.
7318 2006-06-26 Richard Guenther <rguenther@suse.de>
7320 * tree.c (build_string): Do not waste tail padding in
7323 2006-06-26 Richard Guenther <rguenther@suse.de>
7325 * ggc-page.c (init_ggc): Add missing element to size_lookup
7329 2006-06-23 Richard Guenther <rguenther@suse.de>
7331 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7332 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7333 alignment requests instead. Add verification code.
7334 Add struct tree_function_decl and struct tree_binfo size to
7335 extra_order_size_table. Add missing element to size_lookup
7338 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7341 * fold-const.c (const_binop): Be prepared for self returning zero.
7342 Simplify code handling complex values.
7344 2006-06-24 Olivier Hainque <hainque@adacore.com>
7346 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7347 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7350 2006-06-24 Olivier Hainque <hainque@adacore.com>
7352 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7353 ARRAY_REF, so have the callback called for the low bound expression.
7355 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7357 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7358 * c-typeck.c (c_common_type): Disallow operations on decimal float
7359 types and other float types.
7360 * convert.c (convert_to_real): Don't ignore conversions involving
7361 decimal float types.
7363 2006-06-23 Olivier Hainque <hainque@adacore.com>
7365 * tree.c (max_int_size_in_bytes): New function, inspired from
7366 code in function.c:assign_temp.
7367 * tree.h (max_int_size_in_bytes): Declare.
7368 * function.c (assign_temp): Use it.
7369 * gimplify.c (create_tmp_var): Relax the assertions on the type
7370 properties, not mandating constant size any more.
7371 (force_constant_size): New static function.
7372 (gimple_add_tmp_var): Use it, forcing variable size to a
7373 constant upper bound if it is not constant on entry.
7375 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7378 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7379 for initialization and setting of one_only flag to ...
7380 (i386_pe_encode_section_info): ...here.
7381 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7382 Recheck that the symbol has not been defined.
7384 2006-06-23 Richard Guenther <rguenther@suse.de>
7386 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7387 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7388 alignment requests instead. Add verification code.
7389 Add struct tree_function_decl and struct tree_binfo size to
7390 extra_order_size_table. Add missing element to size_lookup
7393 2006-06-22 Roger Sayle <roger@eyesopen.com>
7394 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7397 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7398 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7400 2006-06-23 Ben Elliston <bje@au.ibm.com>
7402 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7403 negate dn -- manipulate it directly.
7405 2006-06-22 Roger Sayle <roger@eyesopen.com>
7406 Steven Bosscher <stevenb.gcc@gmail.com>
7409 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7410 generated by gen_move_insn to add REG_LABEL notes if necessary.
7412 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7414 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7415 (leaf_entry): Remove use of MIN_ESA.
7417 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7419 PR rtl-optimization/28121
7420 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7423 2006-06-21 DJ Delorie <dj@redhat.com>
7425 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7427 (mulhisi3_r): Likewise.
7429 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7432 * coverage.c (coverage_counter_alloc): Leave the index type
7434 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7437 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7439 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7440 section from the "Options for Code Generation Conventions".
7442 2006-06-21 Richard Henderson <rth@redhat.com>
7446 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7448 (global_symbolic_operand): Allow weak symbols, even if local_p.
7450 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7452 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7453 (find_interesting_uses_address): Punt if above function returns true.
7455 2006-06-21 Richard Guenther <rguenther@suse.de>
7457 * configure: Regenerated.
7459 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7461 * config/mips/mips.c (function_arg): Where one part of a
7462 complex argument is in registers and the other part in the stack,
7463 return a REG not a PARALLEL.
7465 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7467 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7468 when cross-compiling. Do not substitute libstdcxx_incdir.
7469 * configure: Regenerated.
7471 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7473 * varasm.c (mergeable_string_section): Check for embedded NULs and
7474 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7475 rather than TREE_STRING_LENGTH bytes.
7477 2006-06-21 Richard Guenther <rguenther@suse.de>
7479 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7480 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7483 2006-06-21 Richrad Guenther <rguenther@suse.de>
7485 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7486 Limit iteration over the dominators.
7488 2006-06-20 Roger Sayle <roger@eyesopen.com>
7490 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7491 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7493 2006-06-20 Richard Guenther <rguenther@suse.de>
7494 Michael Matz <matz@suse.de>
7496 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7498 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7499 * et-forest.h (et_free_pools): Prototype new function.
7500 * et-forest.c (et_free_tree_force): Free parent occurrence.
7501 (et_free_pools): New function.
7502 * dominance.c (free_dominance_info): Free et-forest alloc
7505 2006-06-20 Roger Sayle <roger@eyesopen.com>
7507 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7508 integer modes, attempt to directly construct an integer constant.
7510 * fold-const.c (native_encode_vector): Determine the size of each
7511 element from the vector type instead of the first vector element.
7513 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7514 if all of its elements/components are constant.
7515 (build_constructor_from_list): Likewise.
7517 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7519 PR tree-optimization/27331
7520 * tree-data-ref.c (free_data_ref): New function.
7521 (create_data_ref): Fail if the data reference has unknown access
7523 (free_data_refs): Use free_data_ref.
7525 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7528 * tree-inline.c (setup_one_parameter): Strip useless
7529 type conversion before adding it to the IR.
7530 (declare_return_variable): Likewise.
7532 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7535 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7537 2006-06-19 Mike Stump <mrs@apple.com>
7539 * tree.c (variably_modified_type_p): VM arguments don't make the
7542 2006-06-19 Richard Guenther <rguenther@suse.de>
7544 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7545 type conversions after folding.
7547 2006-06-19 Richard Guenther <rguenther@suse.de>
7549 * ggc-page.c (extra_order_size_tab): Add entries with
7550 size of struct function and basic_block.
7551 (size_lookup): Extend to cover sizes up to 511.
7552 (ggc_alloc_stat): Adjust user.
7553 (ggc_pch_count_object): Likewise.
7554 (ggc_pch_alloc_object): Likewise.
7555 (ggc_pch_write_object): Likewise.
7557 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7559 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7560 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7563 2006-06-19 Denis Chertykov <denisc@overta.ru>
7565 * config/avr/libgcc.S : Correct my wrong previous commit.
7567 2006-06-19 Roger Sayle <roger@eyesopen.com>
7570 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7571 have stripped a SUBREG from the shift count, so we may need to
7572 convert_to_mode back to the type's mode before calling make_tree.
7573 Use new_amount instead of amount to avoid expanding a tree twice.
7575 2006-06-19 Richard Guenther <rguenther@suse.de>
7578 * fold-const.c (operand_equal_p): Check if the argument types
7579 have the same precision before stripping NOPs.
7581 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7583 Fix PR tree-optimization/27341
7584 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7586 * tree-complex.c (pass_lower_complex): Update SMT usage.
7588 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7590 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7591 Add a new alternative to the constraint strings. Add move of
7592 operand 1 to 3 to the splitter definition.
7593 ("doloop_si_long"): Second contraint alternative removed.
7595 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7597 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7598 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7600 (AVR_HAVE_MOVW) Define.
7601 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7602 (ASM_SPEC): Add avr25.
7603 (LINK_SPEC): Add avr25.
7604 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7605 (base_arch_s): Add new member 'have_movw_lpmx'.
7606 (avr_arch_types): Init 'have_movw_lpmx'.
7607 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7608 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7609 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7610 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7611 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7613 (avr_file_start): Do not output '.arh' derective.
7614 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7615 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7616 * config/avr/avr.md (mcu_enhanced): Delete.
7617 (mcu_have_movw): Define.
7618 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7619 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7620 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7621 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7622 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7623 attiny861 and at86rf401 devices.
7625 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7627 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7630 2006-06-17 Karl Berry <karl@gnu.org>
7632 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7633 doc/gccint.texi, doc/install.texi (@dircategory): Use
7634 "Software development" instead of "Programming", following
7635 the Free Software Directory.
7637 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7639 * config/i386/i386.c (legitimate_tls_address)
7640 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7641 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7642 (*tls_dynamic_gnu2_combine_64): Likewise.
7644 2006-06-16 Richard Guenther <rguenther@suse.de>
7647 * fold-const.c (negate_expr_p): Do not introduce undefined
7648 overflow in negating INTEGER_CSTs.
7649 (fold_negate_expr): Rename from negate_expr. Revert last
7650 change for folding BIT_NOT_EXPR. Change semantics to
7651 return NULL_TREE for non-simplified negations. Do not
7652 strip type conversions and unify type handling.
7653 (negate_expr): New function, wrap around fold_negate_expr
7654 but ensure building a tree always. Strip type conversions
7655 here, fold to result type.
7656 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7658 2006-06-16 Roger Sayle <roger@eyesopen.com>
7661 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7662 that (would) return their results in stack registers.
7664 2006-06-16 Michael Matz <matz@suse.de>
7665 Richard Guenther <rguenther@suse.de>
7667 * fold-const.c (fold_truthop): Only return new tree node if
7668 we canonicalized something.
7670 2006-06-16 Richard Guenther <rguenther@suse.de>
7672 * function.h (enum function_frequency): Move declaration
7673 out of struct function.
7674 (struct function): Move bool fields and the enum to the bitfield
7675 section. Reorder elements to avoid padding. Remove unused
7676 fields left over from the RTL inliner removal.
7677 * function.c (free_after_compilation): Do not zero removed fields.
7678 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7679 (ipa-type-escape.o): Likewise.
7681 2006-06-16 Richard Guenther <rguenther@suse.de>
7683 * cgraph.h (struct cgraph_local_info): Turn bool elements
7685 (struct cgraph_node): Likewise.
7686 (struct cgraph_varpool_node): Likewise.
7688 2006-06-15 Richard Guenther <rguenther@suse.de>
7690 * fold-const.c (fold_truth_not_expr): Rename from
7691 invert_truthvalue. Give it fold_* semantics to avoid
7693 (invert_truthvalue): New function. Wrapper around
7694 fold_truth_not_expr.
7695 (optimize_minmax_comparison): Avoid creating garbage.
7696 (fold_unary): Use fold_truth_not_expr for folding
7698 (fold_ternary): Replace uses of invert_truthvalue with
7699 fold_truth_not_expr where applicable.
7700 * tree.h (fold_truth_not_expr): Prototype.
7702 2006-06-16 Richard Guenther <rguenther@suse.de>
7704 PR tree-optimization/27781
7705 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7706 * ipa-pure-const.c (target.h): Include.
7707 (analyze_function): Do not analyze functions that do not
7710 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7713 * tree-dfa.c (referenced_vars_dup_list): Remove.
7714 (find_referenced_vars): Remove assert.
7715 (referenced_var_check_and_insert): Replace dup list with assert.
7716 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7717 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7719 2006-06-15 Richard Guenther <rguenther@suse.de>
7721 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7722 extra unused identifiers if not dumping.
7723 (create_variable_info_for): Likewise.
7725 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7727 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7728 (derive_constant_upper_bound): Derive more precise upper bound in
7729 common cases. Return type changed to double_int.
7730 (record_estimate): Reflect the changed return type of
7731 derive_constant_upper_bound.
7732 * double-int.c (double_int_zext, double_int_sext): Fix.
7734 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7736 * configure.ac (CFLAGS): Get them from the toplevel or from the
7737 configure invocation.
7738 * configure: Regenerate.
7739 * Makefile.in (CFLAGS): Substitute value provided by configure.
7741 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7744 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7745 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7746 rather than calling add_stmt on it.
7747 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7749 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7752 * reload1.c (reload): Remove registers returned by update_eliminables
7753 from used_spill_regs.
7755 2006-06-13 DJ Delorie <dj@redhat.com>
7757 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7759 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7761 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7762 html__strip_dir, html__mkdir_p. Enhance install-html target.
7763 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7764 * configure: Regenerate.
7766 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7768 * fold-const.c (fold_cond_expr_with_comparison): Check for
7769 Objective-C++ as language in deciding COND_EXPR transformation.
7771 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7774 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7775 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7776 * config/sh/lib1funcs.h (SL, SL1): Define.
7777 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7778 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7779 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7780 (OBJS_Os_4_200): New variable.
7781 ($(T)libgcc-Os-4-200.a): Use it.
7782 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7783 when dividing 1 and/or by 0.
7785 2006-06-13 Roger Sayle <roger@eyesopen.com>
7787 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7788 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7789 * configure: Regenerate.
7791 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7793 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7794 for real instruction.
7796 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7799 * haifa-sched.c (check_cfg): Handle special case.
7801 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7804 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7805 Add debug_info parameter. Chain the vars to the BLOCK instead
7806 of the BIND_EXPR if debug info are requested for them.
7807 (pop_gimplify_context): Adjust for above change.
7808 (gimple_add_tmp_var): Likewise.
7809 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7811 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7812 (convert_local_reference): Likewise.
7813 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7814 (finalize_nesting_tree_1): Request that debug info be emitted
7815 for debug_var_chain.
7817 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7819 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7820 for PR target/27863.
7822 2006-06-13 Richard Guenther <rguenther@suse.de>
7825 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7827 2006-06-13 Richard Guenther <rguenther@suse.de>
7829 PR tree-optimization/27830
7830 * tree-inline.c (copy_body_r): For copying the operand
7831 of an ADDR_EXPR make sure to fold &* afterwards.
7833 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7835 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7836 lvalues in the fb_none case with side-effects.
7838 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7840 * tree-flow.h: Remove the prototype for
7841 compute_phi_arg_on_exit.
7842 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7843 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7846 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7848 * builtins.c (expand_builtin_return_addr): Only use
7849 frame_pointer_rtx when count == 0 and we are expanding
7850 __builtin_return_address.
7852 2006-06-12 Fred Fish <fnf@specifix.com>
7854 * config/mips/mips.c (mips_file_start): Create special section
7855 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7857 2006-06-11 Eric Christopher <echristo@apple.com>
7860 * stor-layout.c (place_field): Remove check for
7861 remaining_in_alignment when aligning at the end of a run.
7863 2006-06-11 Eric Christopher <echristo@apple.com>
7866 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7869 2006-06-11 Roger Sayle <roger@eyesopen.com>
7872 Revert incorrect fix for PR target/27158
7873 2006-05-08 Roger Sayle <roger@eyesopen.com>
7874 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7875 of a reg_equiv_constant if the result is a legitimate constant.
7877 2006-06-11 Roger Sayle <roger@eyesopen.com>
7880 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7881 extract a CONST_VECTOR element and interpret it as an integer.
7882 (vspltis_constant): Use const_vector_elt_as_int instead of the
7883 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7884 * config/rs6000/predicates.md (easy_vector_const): Consider
7885 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7887 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7890 * stor-layout.c (update_alignment_for_field): Don't add extra
7891 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7894 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7896 * config/mips/t-rtems: Add EL/EB multilib variants.
7898 2006-06-09 Mike Stump <mrs@apple.com>
7900 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7902 2006-06-09 David Daney <ddaney@avtrex.com>
7904 * doc/install.texi: Add binutils version recommendation for mips-*-*.
7906 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
7908 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
7910 2006-06-09 Richard Guenther <rguenther@suse.de>
7912 PR tree-optimization/26998
7913 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
7914 of signed types, only TYPE_MIN_VALUE is special, but for both,
7915 minimum and maximum value. Likewise VR_ANTI_RANGE is special
7916 in this case, as is -fwrapv.
7918 2006-06-08 Mike Stump <mrs@apple.com>
7921 * config/darwin.c (darwin_asm_output_anchor): Disable
7922 -fsection-anchors on darwin for now.
7923 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
7924 * rs6000/rs6000.c (optimization_options): Likewise.
7926 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7929 * config/i386/i386.c (classify_argument): Skip fields with invalid
7932 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
7934 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
7935 (cse_insn): Likewise for the stack_pointer_rtx.
7937 2006-06-08 Roger Sayle <roger@eyesopen.com>
7939 * tree-ssa-dom.c (record_conditions): Only record "unordered"
7940 conditions from floating point comparisons.
7942 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
7945 * expmed.c (struct alg_hash_entry): Fix type of field T
7946 to match synth_mult argument.
7947 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
7949 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7952 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
7955 2006-06-08 Richard Guenther <rguenther@suse.de>
7958 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
7959 only, if overflow is defined and not trapping.
7960 (negate_expr): Likewise.
7962 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7964 PR tree-optimization/27872
7965 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
7966 flag on the new exit edge of the unrolled loop.
7968 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
7970 PR rtl-optimization/26449
7971 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
7973 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
7976 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
7977 referenced_variables with matching DECL_UID's.
7978 (find_referenced_vars): Make sure duplicate list is empty to start.
7979 (referenced_var_p): Remove.
7980 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
7981 Check if var is in the list, and add if needed. Update the duplicate
7982 list if a different var is in the list with the same DECL_UID.
7983 (add_referenced_var): Call routine to check and insert.
7984 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
7985 * tree-flow.h (referenced_vars_dup_list): External declaration.
7987 2006-06-07 Fred Fish <fnf@specifix.com>
7989 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
7992 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
7995 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
7996 the imaginary and real parts of a clobbered register.
7997 Emit insn to set the imaginary part.
7999 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8001 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8002 in lieu of unwind-dw2-fde.c.
8004 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8006 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8008 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8011 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8012 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8013 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8014 V4SImode temporaries and operations instead.
8016 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8018 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8021 2006-06-06 Mike Stump <mrs@apple.com>
8023 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8024 installing during build.
8026 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8028 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8030 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8031 * config/ia64/ia64.c (params.h): New header.
8032 (ia64_optimization_options): New function to adjust parameters.
8033 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8034 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8035 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8037 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8039 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8041 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8044 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8046 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8047 Victor Kaplansky <victork@il.ibm.com>
8049 PR tree-optimization/26360
8050 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8053 2006-06-04 Roger Sayle <roger@eyesopen.com>
8054 Andrew Pinski <pinskia@physics.uc.edu>
8057 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8058 for LABEL_DECL before calling DECL_WEAK.
8061 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8062 LABEL_DECL and PARM_DECL.
8064 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8068 * c-decl.c (grokdeclarator): Disallow variably modified types at
8069 file scope. Avoid marking shared array type of constant size as
8072 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8075 * c-common.c (fold_offsetof_1): Handle static members.
8077 2006-06-04 Eric Christopher <echristo@apple.com>
8079 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8080 (debug_rli): Output value for remaining_in_alignment.
8081 (update_alignment_for_field): Unconditionalize
8082 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8083 extra alignment code.
8084 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8085 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8086 * tree.h (record_layout_info_s): Remove prev_packed.
8087 * doc/extend.texi (ms_struct): Add documentation of format.
8089 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8091 * tree.h: Declare folding_initializer.
8092 * builtins.c (fold_builtin_constant_p): Give definite answer
8093 if folding inside an initializer.
8094 * fold-const.c: Define folding_initializer.
8095 (START_FOLD_INIT): Save and then set folding_initializer.
8096 (END_FOLD_INIT): Restore folding_initializer.
8098 2006-06-04 Richard Guenther <rguenther@suse.de>
8100 PR tree-optimization/27039
8101 * fold-const.c (fold_comparison): Handle pointer comparison
8102 again for all comparison codes. Compare offsets in signed
8104 (fold_binary): Move code from here.
8106 2006-06-03 Roger Sayle <roger@eyesopen.com>
8109 * config/i386/i386.c (construct_container): Split static issued_error
8110 flag into issued_sse_arg_error, issued_sse_ret_error and
8111 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8112 requires the use of x87 registers and the user explicitly
8113 specified the -mno-80387 command line option.
8115 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8117 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8118 HAVE_DECL_SIGALTSTACK.
8120 (segv_handler): Use MC_FLD.
8121 * configure.ac: Check for a sigaltstack declaration.
8122 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8123 * configure: Regenerate.
8124 * config.in: Regenerate.
8126 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8129 * Makefile.in (stmp-fixinc): Fix typo.
8131 2006-06-02 Roger Sayle <roger@eyesopen.com>
8133 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8134 are type correct. Clean-up.
8135 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8136 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8138 2006-06-01 DJ Delorie <dj@redhat.com>
8140 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8141 shift, as we've disabled the "switch" insn that needs it.
8143 2006-06-01 Per Bothner <bothner@bothner.com>
8145 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8146 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8147 * c-ppoutput.c (cb_define): Don't increment line 0.
8149 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8151 * doc/invoke.texi: Add cpu_type power6.
8152 * config.gcc: Add cpu_type power6.
8153 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8154 to power5+ with Altivec.
8155 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8156 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8158 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8160 * config/avr/avr.h (SET_ASM_OP): Define.
8162 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8164 * config/bfin/bfin.c: Fix comment typos.
8166 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8169 * doc/install.texi: Document --enable-bootstrap and
8170 --disable-bootstrap.
8172 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8174 * doc/install.texi: Document that InfoZIP can replace jar.
8176 2006-05-31 Roger Sayle <roger@eyesopen.com>
8178 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8179 isn't available, directly generate the simpler x87 patterns without
8180 the (use (const_int 0)).
8181 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8182 implementation isn't available.
8183 (*negdf2_1): Likewise.
8184 (*negxf2_1): XF mode negation is always done using the x87.
8185 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8187 2006-05-31 Roger Sayle <roger@eyesopen.com>
8189 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8190 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8192 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8194 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8196 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8197 * config/bfin/bfin.c (basic-block.h): Include.
8198 (struct machine_function): New.
8199 (bfin_init_machine_status): New.
8200 (override_options): Initialize init_machine_status.
8201 (bfin_hardware_loop): New.
8202 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8203 (DEF_VEC_P (loop_info)): New.
8204 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8205 (struct loop_info): New.
8206 (loop_info): New typedef.
8207 (struct loop_work): New.
8208 (loop_work): New typedef.
8209 (DEF_VEC_O (loop_work)): New.
8210 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8211 (bfin_dump_loops): New.
8212 (bfin_bb_in_loop): New.
8213 (bfin_scan_loop): New.
8214 (bfin_optimize_loop): New.
8215 (bfin_reorg_loops): New.
8216 (bfin_reorg): Use bfin_reorg_loops.
8217 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8219 (I_REGNO_P): Simplify.
8220 (DP_REGNO_P, DPREG_P): New macros.
8221 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8222 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8223 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8224 Add LT_REGS, LC_REGS, LB_REGS.
8225 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8227 (REGNO_REG_CLASS): Deal with loop registers.
8228 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8230 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8231 New constants for loop registers.
8232 (UNSPEC_LSETUP_END): New.
8233 (seq_insns): New define_attr. Set it for appropriate insns.
8234 (movsi_insn): Add alternatives for move from/to
8235 loop count registers.
8236 (doloop_end): New define_expand.
8237 (loop_end): New define_insn.
8238 (define_split for bad doloop_end): New.
8239 (lsetup_with_autoinit): New define_insn.
8240 (lsetup_without_autoinit): New define_insn.
8241 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8242 * config/bfin/predicates.md (lc_register_operand): New.
8243 (lt_register_operand): New.
8244 (lb_register_operand): New.
8245 (nondp_register_operand): New.
8246 (nondp_reg_or_memory_operand): New.
8247 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8249 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8251 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8252 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8254 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8256 * Makefile.in (CATALOGS): Add po/ prefix.
8257 * configure: Regenerated.
8259 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8262 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8263 a shift operand before calling shift_op. Avoid redundant call of
8266 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8267 DJ Delorie <dj@redhat.com>
8269 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8270 we're inserting is a singlt-bit constant.
8272 2006-05-30 Roger Sayle <roger@eyesopen.com>
8274 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8275 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8277 2006-05-30 Roger Sayle <roger@eyesopen.com>
8279 PR tree-optimization/23452
8280 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8281 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8282 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8283 complex values and with -ffast-math for FP complex values.
8285 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8287 * c-common.h: Remove the prototype for yyparse.
8288 * rtl.h: Remove the prototype for init_loop.
8290 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8292 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8295 2006-05-30 Roger Sayle <roger@eyesopen.com>
8297 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8299 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8300 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8302 2006-05-30 Dirk Mueller <dmueller@suse.de>
8305 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8306 for CONSTANT_CLASS_P expresisons.
8308 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8311 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8313 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8315 PR tree-optimization/27779
8316 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8317 initial_condition instead of CHREC_LEFT.
8319 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8321 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8322 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8323 Make prototypes ISO C90.
8325 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8326 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8328 * see.c (see_analyze_one_def): Correct check.
8329 (see_get_extension_data): Check if extension is parallel.
8330 (see_get_extension_reg): Likewise.
8332 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8335 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8336 into register for (code == GTU).
8338 2006-05-29 Roger Sayle <roger@eyesopen.com>
8340 PR tree-optimization/24964
8341 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8342 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8343 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8344 abs(x)*abs(x) as x*x for scalar floating point modes.
8346 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8349 * lambda-code.c (perfect_nestify): Don't copy statements
8350 in the inner loop: move them to the inner loop header.
8352 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8355 * c-tree.texi: Document OpenMP directives and clauses.
8357 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8359 * varasm.c (globalize_decl): Fix indentation.
8361 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8364 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8365 pass_fre, pass_store_ccp, pass_copy_prop,
8366 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8367 pass_return_slot, pass_object_size, pass_lim,
8368 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8369 pass_loop_prefetch and pass_stdarg.
8371 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8373 * config/bfin/bfin.opt (mfdpic): New option.
8374 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8375 (EXTRA_MULTILIB_PARTS): Likewise.
8376 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8377 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8379 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8380 (CRT_CALL_STATIC_FUNCTION): New.
8381 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8383 (CRT_CALL_STATIC_FUNCTION): New.
8384 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8386 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8387 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8388 (initialize_trampoline): Changed to handle FD-PIC code generation.
8389 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8390 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8391 (override_options): Disallow -mid-shared-library -mfdpic combination.
8392 Can't do unaligned ops if FD-PIC.
8393 Turn off flag_pic if trying to generate non-id-shared-library
8394 non-fdpic code, since it's not supported.
8395 (bfin_assemble_integer): New function.
8396 (TARGET_ASM_INTEGER): Define.
8397 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8399 * config/bfin/crtn.s: Restore them.
8400 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8402 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8403 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8404 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8405 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8406 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8408 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8409 FDPIC_REGS and FDPIC_FPTR_REGS.
8410 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8411 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8412 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8413 (load_funcdescsi): New pattern.
8414 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8415 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8416 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8418 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8420 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8423 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8425 * tree-flow.h: Remove the prototype for add_type_alias.
8426 * tree-ssa-alias.c (add_type_alias): Remove.
8428 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8430 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8431 config/fr30/fr30.md, config/i386/i386-interix.h,
8432 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8433 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8434 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8435 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8436 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8437 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8438 Follow spelling conventions.
8439 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8440 Follow spelling conventions.
8442 2006-05-27 Richard Guenther <rguenther@suse.de>
8445 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8446 to produce a constant of value 1 of generic type.
8448 2006-05-27 Dirk Mueller <dmueller@suse.de>
8450 * cgraphunit.c (decide_is_function_needed): Fix wrong
8453 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8455 PR rtl-optimization/27661
8456 * reload.c (find_reloads): When reloading a VOIDmode constant
8457 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8458 use Pmode as mode of the reload register.
8460 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8462 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8463 is enabled at -O and above.
8465 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8468 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8471 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8474 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8475 for anonymous variables explicitly declared by front ends.
8477 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8479 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8480 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8481 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8482 ref-all pointers, run a finalization pass for them.
8483 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8484 (finalize_ref_all_pointers): New function.
8485 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8486 regular pointer type to a ref-all pointer type.
8487 (get_tmt_for): Return the special memory tag for ref-all pointers.
8489 2006-05-25 Richard Guenther <rguenther@suse.de>
8492 * fold-const.c (fold_binary): Do not look at the stripped
8493 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8495 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8497 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8498 for LT and GT if the computed range is effectively empty.
8500 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8503 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8504 mips_quad_format formats instead of ieee_single_format,
8505 ieee_double_format and ieee_quad_format formats, respectively.
8507 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8509 PR tree-optimization/27639
8510 PR tree-optimization/26719
8511 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8512 call to scev_probably_wraps_p.
8513 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8514 used_in_pointer_arithmetic_p, convert_step): Removed.
8515 (nowrap_type_p): New function.
8516 (scev_probably_wraps_p): Rewritten.
8517 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8518 chrec_convert if chrec_convert_aggressive might have been used.
8519 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8520 scev_direction): New functions.
8521 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8522 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8523 instead of convert_step.
8524 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8525 (convert_step): Declaration removed.
8526 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8528 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8530 * df-core.c: Added to header comments.
8531 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8532 df_ur_bb_info, df_urec_bb_info): Added comments.
8533 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8534 urec, ri problems): Fixed header comments.
8535 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8536 code from df_rd_transfer_function.
8538 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8540 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8541 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8542 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8544 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8546 * expr.c (undefined_operand_subword_p): New.
8547 (emit_move_multi_word): Do not generate move from undefined bits
8548 of a paradoxical subreg.
8550 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8552 PR rtl-optimization/27736
8553 * combine.c (replaced_rhs_value): New variable.
8554 (combine_instructions): Set it.
8555 (distribute_notes): When distributing a note in replaced_rhs_insn,
8556 check whether the value was used in replaced_rhs_value.
8558 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8561 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8562 add_referenced_var instead of add_referenced_tmp_var.
8563 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8564 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8566 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8567 tree_optimize_tail_calls_1): Use add_referenced_var.
8568 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8569 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8570 Use add_referenced_var.
8571 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8572 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8573 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8574 Use add_referenced_var.
8575 * tree-dfa.c (struct walk_state): Remove.
8576 (find_referenced_vars): Remove walk state and vars_found hash table.
8577 (make_rename_temp): Use add_referenced_var.
8578 (find_vars_r): Pass less parameters to add_referenced_var.
8579 (referenced_var_p): New. Is var in referenced_var hash table.
8580 (referenced_var_insert): Assert var isn't already in hash table.
8581 (add_referenced_var): Don't need walk_state parameter. Add var if it
8582 isn't already in the hash table.
8583 (add_referenced_tmp_var): Remove.
8584 (find_new_referenced_vars_1): Use add_referenced_var.
8585 * tree-ssa-pre.c (create_expression_by_pieces,
8586 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8587 Use add_referenced_var.
8588 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8589 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8590 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8592 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8593 vect_create_data_ref_ptr, vect_create_destination_var,
8594 vect_init_vector, vect_build_loop_niters,
8595 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8596 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8597 Use add_referenced_var.
8598 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8599 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8600 (add_referenced_var): Add prototype.
8601 * tree-ssa-structalias.c (get_constraint_for,
8602 intra_create_variable_infos): Use add_referenced_var.
8604 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8606 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8607 big-endian paradoxical subregs.
8608 * var-tracking.c (struct micro_operation_def): Document that,
8609 for modify micro operations, insn is the subsequent instruction.
8610 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8611 (var_reg_set, var_mem_set): ... new functions.
8612 (add_stores): Record subsequent insn.
8613 (compute_bb_dataflow): Use new functions for MO_USE.
8614 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8615 notes after the insn, and modify notes before the insn known
8616 to be the subsequent one.
8617 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8619 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8622 * config/i386/i386.c (ix86_expand_builtin): Use
8623 gen_sse3_monitor64 for TARGET_64BIT.
8625 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8627 PR rtl-optimization/26375
8628 PR rtl-optimization/26855
8629 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8631 (df_ru_bb_local_compute): Reversed statements and removed bogus
8632 comment explaining why they should be in wrong order.
8633 (df_ru_dump, df_rd_dump): Enhanced debug info.
8634 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8636 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8637 reaching uses and fixed space problem.
8639 2006-05-23 Jan Hubicka <jh@suse.cz>
8641 * cgraphunit.c (decide_is_function_needed): Also nested functions
8642 and functions declared inline can be optimized out at -O0.
8644 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8646 * doc/install.texi (Configuration): Remove reference to CrossGCC
8650 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8653 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8654 ix86_compare_emitted is non-NULL.
8656 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8659 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8662 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8664 PR rtl-optimization/25514
8665 * combine.c (replaced_rhs_insn): New variable.
8666 (combine_instructions): Set replaced_rhs_insn when trying to replace
8667 a SET_SRC with a REG_EQUAL note.
8668 (distribute_notes): Use replaced_rhs_insn when determining the live
8669 range of a REG_DEAD register.
8671 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8672 Anatoly Sokolov <aesok@post.ru>
8674 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8675 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8676 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8677 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8678 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8679 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8680 at90usb647, at90usb1286 and at90usb1287 devices.
8681 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8682 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8684 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8686 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8688 2006-05-22 Richard Guenther <rguenther@suse.de>
8691 2006-01-31 Richard Guenther <rguenther@suse.de>
8692 Paolo Bonzini <bonzini@gnu.org>
8694 * doc/install.texi (--disable-libgcc-math): Document.
8696 2006-05-22 Richard Guenther <rguenther@suse.de>
8699 2006-01-31 Richard Guenther <rguenther@suse.de>
8701 * doc/invoke.texi (-msselibm): Document.
8702 * target.h (expand_library_builtin): New target hook.
8703 * builtins.c (expand_builtin): Use expand_library_builtin.
8704 (default_expand_library_builtin): New function.
8705 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8706 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8707 (link_gcc_math_spec): Declare.
8708 (static_specs): Add link_gcc_math_spec.
8709 * expr.h (default_expand_library_builtin): Declare.
8710 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8711 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8712 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8713 * config/i386/i386.opt (msselibm): New target option.
8714 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8715 (ix86_init_sse_abi_builtins): New function.
8716 (ix86_expand_library_builtin): Likewise.
8717 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8718 (override_options): Handle error conditions wrt -msselibm.
8719 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8720 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8721 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8724 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8727 * c-common.c (self_promoting_args_p): Skip erroneous args.
8730 * c-decl.c (finish_struct): Skip erroneous fields.
8732 2006-05-22 Nick Clifton <nickc@redhat.com>
8734 * config/cris/cris.opt (march): Remove VarExists attribute.
8735 (max-stackframe=): Likewise.
8737 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8739 * doc/rtl.texi: Fix a typo.
8740 * see.c: Fix comment typos.
8742 * tree-ssa-structalias.h (alias_info): Remove num_references.
8744 2006-05-21 Mike Stump <mrs@apple.com>
8746 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8748 (darwin_pragma_options): Use BAD instead.
8749 (darwin_pragma_unused): Likewise.
8750 (darwin_pragma_ms_struct): Likewise.
8752 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8754 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8756 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8758 PR rtl-optimization/27671
8759 * simplify-rtx.c (simplify_relational_operation_1): Fix
8760 simplifications of (eq/ne (xor x y) y) and
8761 (eq/ne (xor x y) x).
8763 PR tree-optimization/26622.
8764 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8767 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8769 * tree-cfg.c: Prune whitespace.
8770 (debug_tree_cfg): Point to correct header containing the
8773 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8776 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8778 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8781 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8782 or sorry count is non zero.
8784 2006-05-20 Andreas Schwab <schwab@suse.de>
8786 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8788 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8789 Kenneth Zadeck <zadeck@naturalbridge.com>
8791 PR rtl-optimization/26855
8793 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8795 (df_scan_alloc): Added code to properly handle multiword hard
8796 registers and add all_blocks parameter.
8797 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8798 code to properly handle multiword hard registers.
8799 (df_rescan_blocks): Added code to remove deleted blocks from
8801 (df_ref_create_structure, df_ref_record): Added code to properly
8803 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8804 and set DF_REF_PARTIAL.
8805 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8806 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8807 (df_scan_add_problem): Added flags parameter.
8808 (df_ref_create_structure): Changed switching structure.
8809 (df_bb_refs_record): Fixed case where duplicate artificial refs
8810 were created. Changed location of flags.
8811 (df_record_entry_block_defs): Added code to make stack pointer
8812 live in entry block. Refined cases where frame pointer is needed.
8813 Changed location of flags.
8814 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8815 (df_set_state): Removed function.
8816 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8817 df_insn_create_insn_record, df_insn_refs_delete,
8818 df_ref_create_structure): Formatting changes.
8819 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8820 df_delete_basic_block): New function.
8821 (df_init): Changed location of flags.
8822 (df_add_problem): Added flags parameter and the way flags are
8824 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8825 debug_df_chain): Improved debugging output.
8826 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8827 (df_refs_chain_dump): Removed df parameter.
8828 (df_iterative_dataflow): Added consistency check.
8829 (df_prune_to_subcfg): Made public.
8830 (df_analyze_problem): Added blocks_to_init parameter and made
8832 (df_ref_record, df_bb_refs_record, df_mark_reg,
8833 df_record_exit_block_uses): Whitespace changes.
8834 (df_dump): Whitespace changes.
8835 * df.h: Some reordering to remove forward references.
8836 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8837 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8838 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8839 (dataflow.flags): New field.
8840 (df.flag): Deleted field.
8841 (df_alloc_function): Added additional bitmap parameter.
8842 (df_dependent_problem_function): New type.
8843 (df_problem.changeable_flags): New field.
8844 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8845 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8846 (df_mw_hardreg): New struct.
8847 (DF_INSN_UID_MWS): New macro.
8848 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8850 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8851 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8852 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8853 (df_set_state): Removed function.
8854 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8855 * df-problems.c (df_chain_dump): Removed df parameter.
8856 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8857 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8859 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8860 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8861 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8862 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8863 DF_REF_MUST_CLOBBER cases.
8864 (df_ru_bb_local_compute_process_def,
8865 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8866 df_lr_bb_local_compute, df_ur_bb_local_compute,
8867 df_chain_create_bb): Made subreg aware.
8868 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8869 df_lr_bb_local_compute, df_lr_bb_local_compute,
8870 df_chain_create_bb): Cleanup to use proper macros.
8871 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8872 code to fixup bitvectors.
8873 (df_ri_alloc): Cleared lifetime.
8874 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8875 df_create_unused_note): New function.
8876 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8877 REG_DEAD and REG_UNUSED notes as well as register information.
8878 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8879 df_chains_dump): Fixed crash if problem was never run.
8880 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8881 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8882 df_ri_add_problem): Processes flags in uniform manner.
8883 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8884 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8885 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8886 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8887 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8888 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8889 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8890 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8891 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8892 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8893 * see.c (see_initialize_data): Ditto.
8894 * final.c (rest_of_clean_state) Added regstack_completed.
8895 * rtl.h (regstack_completed): Ditto.
8896 * reg-stack.c (regstack_completed): Ditto.
8898 2006-05-19 Mike Stump <mrs@apple.com>
8900 * c-tree.h (default_conversion): Remove.
8901 * c-common.h (default_conversion): Add.
8903 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8905 * tree-vrp.c (valid_value_p): New function.
8906 (adjust_range_with_scev): Fail if the value of bound is not
8909 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8911 * config/mips/linux-unwind.h: Include <asm/unistd.h>
8912 (mips_fallback_frame_state): Use syscall numbers to determine
8913 the appropriate li instruction for the current ABI. Only use
8914 __NR_sigreturn for o32.
8916 2006-05-19 Nicolas Setton <setton@adacore.com>
8918 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
8919 * langhooks.c (lhd_dwarf_name): New function.
8920 * langhooks-def.h (lhd_dwarf_name): Declare.
8921 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
8922 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
8924 2006-05-19 Richard Sandiford <richard@codesourcery.com>
8926 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
8928 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
8929 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
8930 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
8931 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
8932 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
8933 determine the size of Wtype, etc.
8934 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
8935 (swfloatfuncs): New variable.
8936 (dwfloatfuncs): Likewise.
8937 (lib2funcs): Remove floating-point conversion functions from
8938 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
8939 the set of conversion routines needed. Allow entries to specify
8940 an object name, filename and word size. Update users accordingly.
8941 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
8942 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
8946 2006-02-08 Roger Sayle <roger@eyesopen.com>
8949 * config/fixtfdi.c: New libgcc source file.
8950 * config/fixunstfdi.c: New source file.
8951 * config/floatditf.c: New source file.
8952 * config/floatunditf.c: New souce file.
8953 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
8954 files above instead of config/mips/_tilib.c.
8955 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
8957 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8959 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
8960 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
8962 2006-05-18 Mike Stump <mrs@apple.com>
8964 Fix up vla, vm and [*] sematics.
8970 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
8971 (c_vla_unspec_p): Add.
8972 (c_vla_type_p): Add.
8973 * c-decl.c (struct c_scope): Add had_vla_unspec.
8974 (build_array_declarator): Add support for [*].
8975 (grokdeclarator): Likewise.
8976 (grokparms): Likewise.
8977 (get_parm_info): Likewise.
8978 * c-objc-common.c (c_vla_unspec_p): Likewise.
8979 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
8980 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
8981 typeof when argument is a variably modified type not inside sizeof or alignof.
8982 (c_parser_direct_declarator_inner): Propagate errors.
8983 (c_parser_sizeof_expression): Add support for [*].
8984 (c_parser_parms_declarator): Initialize had_vla_unspec.
8985 (c_parser_parms_list_declarator): Likewise.
8986 * c-typeck.c (c_vla_type_p): Add.
8987 (composite_type): Add support for vla compositing.
8988 (comptypes_internal): Add support for vla compatibility.
8989 (c_expr_sizeof_expr): Evaluate vla arguments.
8990 * tree.c (variably_modified_type_p): Update comment for [*].
8992 2006-05-18 Michael Matz <matz@suse.de>
8995 * config.host: Make assignments to host_xmake_file cumulative.
8996 * config.host (*-darwin*): Test $host, not $target.
8998 2006-05-12 Stuart Hastings <stuart@apple.com>
9000 * config/i386/i386.opt (-mstackrealign): New flag.
9001 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9002 (ix86_handle_cconv_attribute): Emit error when
9003 force_align_arg_pointer attribute collides with too many regparms.
9004 (ix86_function_regparm): Limit regparms when used with
9005 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9006 Support stack-realigning prologue in non-main functions. Emit
9007 warning for nested functions under -mstackrealign, emit error for
9008 nested functions with force_align_arg_pointer attribute.
9009 * doc/extend.texi (force_align_arg_pointer): Document it.
9010 * doc/invoke.texi (-mstackrealign): Document it.
9012 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9014 PR rtl-optimization/27477
9015 * combine.c (try_combine): Don't split a parallel consisting
9016 of two sets into two individual sets if both sets reference
9019 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9021 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9022 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9024 * doc/options.texi (VarExists): Updated.
9026 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9028 * unwind-dw2.c: Add declarations for uw_update_context and
9030 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9031 detected, advance frame state and context once to skip over stub.
9033 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9037 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9038 Call rewrite_into_loop_closed_ssa only when something changed.
9039 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9040 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9041 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9042 Test for perfect_nest_p here. Fix formating.
9043 (replace_uses_equiv_to_x_with_y): Fix formating.
9044 (stmt_uses_op): Removed.
9045 (can_convert_to_perfect_nest): Removed loopivs parameter.
9046 Complete the test by checking the scalar dependences.
9047 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9050 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9053 From Dan Kegel <dank@kegel.com>:
9054 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9056 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9058 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9059 if the element type is variably modified without recursing.
9061 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9064 * tree-loop-linear.c (try_interchange_loops): Test for
9065 no data dependences.
9067 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9069 PR tree-optimization/27548
9070 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9071 range of ssa names that appear on abnormal edges.
9072 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9073 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9075 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9078 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9080 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9083 * tree.h (OMP_PARALLEL_COMBINED): Define.
9084 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9085 (new_omp_context): Add is_combined_parallel argument.
9086 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9087 new_omp_context caller.
9088 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9089 Adjust gimplify_scan_omp_clauses callers.
9090 (omp_is_private): Issue errors if iteration variable is firstprivate
9091 or reduction in the current context.
9092 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9093 on combined parallel workshare constructs.
9095 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9097 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9098 (gcc-options.o): New rule.
9100 * optc-gen.awk: Protect variables for gcc-options.o with
9101 #ifdef GCC_DRIVER/#endif.
9103 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9105 Fix PR tree-optimization/27373
9106 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9107 (forward_propagate_addr_expr): Update call.
9109 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9111 * doc/options.texi: Move the Negative option.
9113 2006-05-16 Richard Guenther <rguenther@suse.de>
9115 PR tree-optimization/22303
9116 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9118 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9119 ccp_fold did not simplify the statement.
9121 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9124 * Makefile.in (GCC_OBJS): New.
9125 (OBJS-common): Add opts-common.o.
9126 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9127 (cpp$(exeext)): Likewise.
9128 (gcc.o): Also depend on opts.h.
9129 (opts-common.o): New.
9131 * common.opt (gcoff): Add Negative(gdwarf-2).
9132 (gdwarf-2): Add Negative(gstabs).
9133 (gstabs): Add Negative(gstabs+).
9134 (gstabs+): Add Negative(gvms).
9135 (gvms): Add Negative(gxcoff).
9136 (gxcoff): Add Negative(gxcoff+).
9137 (gxcoff+): Add Negative(gcoff).
9138 * config/i386/i386.opt (m32): Add Negative(m64).
9139 (m64): Add Negative(m32).
9141 * doc/options.texi: Document the Negative option.
9143 * gcc.c: Include "opts.h".
9144 (main): Call prune_options after expandargv.
9146 * optc-gen.awk: Generate common declarations for all flag
9147 variables in options.c. Output the neg_index field.
9149 * opts.c (find_opt): Moved to ...
9150 * opts-common.c: Here. New file.
9152 * opts.h (cl_option): Add a neg_index field.
9154 (prune_options): Likewise.
9156 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9159 * omp-low.c (expand_omp_parallel): Don't assert
9160 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9161 instead search for it.
9164 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9167 2006-05-16 Andreas Schwab <schwab@suse.de>
9169 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9172 2006-05-15 Roger Sayle <roger@eyesopen.com>
9175 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9176 integer constants other than zero are only legitimate on TARGET_64BIT.
9177 <CONST_VECTOR> Only zero vectors are legitimate.
9178 (ix86_cannot_force_const_mem): Integral and vector constants can
9179 always be put in the constant pool.
9181 2006-05-16 DJ Delorie <dj@redhat.com>
9183 * crtstuff.c (__dso_handle): Set section from
9184 TARGET_LBIGCC_SDATA_SECTION if defined.
9185 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9186 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9188 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9191 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9194 2006-05-16 Ben Elliston <bje@au.ibm.com>
9196 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9198 2006-05-15 Per Bothner <per@bothner.com>
9200 * tree.c: (last_annotated_node): Use source_locus typedef.
9201 This permits bootstrapping with --enable-mapped-location.
9203 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9205 PR tree-optimization/26830
9206 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9207 (info_for_ssa_name, current_info_for_ssa_name_age,
9208 blocks_to_update): New variables.
9209 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9210 (clear_ssa_name_info, initialize_flags_in_bb,
9211 mark_block_for_update): New functions.
9212 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9213 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9214 prepare_def_site_for): Use mark_block_for_update.
9215 (mark_def_interesting): Assert that the processed block is marked in
9216 blocks_to_update. Do not take blocks argument.
9217 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9219 (rewrite_update_init_block, rewrite_update_stmt): Only process
9220 blocks with statements to rewrite.
9221 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9222 (update_ssa): Initialize and free blocks_to_update. Do not
9223 clear flags on statements. Do not use blocks bitmap.
9224 * tree.h (SSA_NAME_AUX): Removed.
9225 (struct tree_ssa_name): Removed aux field.
9226 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9228 2006-05-15 Richard Guenther <rguenther@suse.de>
9230 PR tree-optimization/27603
9231 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9232 Do computations in original type.
9234 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9236 * see.c: Code style changes such as redundant paranthesis,
9237 redundant intialization of local variables etc.
9238 (see_main): Declared now as static.
9239 * doc/invoke.texi: Update that -fsee is not enabled by
9242 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9244 * omp-low.c (check_omp_nesting_restrictions): New function.
9245 (scan_omp_1): Call it.
9248 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9249 construct, return *VAR.
9251 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9253 PR rtl-optimization/27406
9254 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9257 2006-05-14 Roger Sayle <roger@eyesopen.com>
9259 PR rtl-optimization/27538
9260 * combine.c (expand_compound_operation): Call gen_lowpart
9261 before calling simplify_shift_const.
9263 2006-05-14 Roger Sayle <roger@eyesopen.com>
9265 PR rtl-optimization/22563
9266 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9267 a fixed width bitfield, always force the intermediates into psuedos.
9269 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9272 * mkconfig.sh: Use operator = instead of == for test.
9274 2006-05-13 Nick Clifton <nickc@redhat.com>
9276 * dwarf2out.c (dbx_reg_number): Check return value from
9277 LEAF_REG_REMAP and only use it if it is valid.
9278 (multiple_reg_loc_descriptor): Likewise.
9280 2006-05-13 Richard Guenther <rguenther@suse.de>
9282 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9285 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9287 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9288 information attached to non-INSNs such as NOTEs.
9289 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9291 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9293 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9295 * config/s390/s390.md: Adjust comment describing On constraint.
9297 2006-05-11 Jan Hubicka <jh@suse.cz>
9299 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9300 to be output at -O0.
9302 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9305 * fold-const.c (size_binop): Move sanity check for arguments to
9306 the beginning of the function.
9309 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9312 2006-05-11 Richard Guenther <rguenther@suse.de>
9315 * fold-const.c (fold_unary): Handle intermediate conversion
9316 to a pointer type like intermediate conversion to an integer
9317 type in folding of (T1)(T2)var to var.
9318 Match the code to the comment in the final conversion for
9319 (T1)(T2)var to (T1)var regarding to type precision. Rather
9320 than disallow T1 being of pointer type, assert that both T1
9321 and var are of pointer type or not. Make sure not to fall
9322 over the frontends lazyness wrt array to pointer decay though.
9324 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9326 * arm.c (arm_struct_value_rtx): Delete.
9327 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9328 (arm_init_cumulative_args): Always initialize nregs to zero.
9330 2006-05-10 Richard Guenther <rguenther@suse.de>
9332 PR tree-optimization/27532
9333 * tree-object-size.c (plus_expr_object_size): Fix typo.
9335 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9338 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9339 ashrdi_const, ashrdi3): Use a scratch register.
9341 2006-05-10 Richard Guenther <rguenther@suse.de>
9343 PR tree-optimization/27302
9344 * fold-const.c (operand_equal_p): For two comparisons,
9345 try comparison of one comparison code swapped if that yields
9348 2006-05-10 Ben Elliston <bje@au.ibm.com>
9350 * tree-pretty-print.c (pretty_print_string): No need to handle
9351 '\0' as a special character.
9353 * tree.h: Include "hashtab.h".
9354 (iterative_hash_expr): Use hashval_t in its prototype.
9355 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9357 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9360 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9361 (hppa*64*-*-hpux11*): Ditto.
9362 (hppa[12]*-*-hpux11*): Ditto.
9364 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9367 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9369 2006-05-09 Michael Matz <matz@suse.de>
9371 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9372 host_extra_gcc_objs and host_xmake_file.
9373 (<*-*-linux*>): Don't overwrite host_xmake_file.
9374 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9375 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9376 (host_detect_local_cpu): Declare.
9377 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9378 * config/i386/i386.c (override_options): Handle -mtune=native
9380 * config/i386/x-i386: New file.
9381 * config/i386/driver-i386.c: New file.
9382 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9385 2006-05-09 Dirk Mueller <dmueller@suse.de>
9386 Richard Guenther <rguenther@suse.de>
9389 * fold-const.c (fold_read_from_constant_string): Relax check
9390 for matching types to matching modes.
9392 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9394 PR rtl-optimization/27335
9395 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9398 2006-05-08 Chao-ying Fu <fu@mips.com>
9399 Richard Sandiford <richard@codesourcery.com>
9401 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9402 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9403 * config/mips/mips.md (UNSPEC_SCC): New constant.
9404 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9405 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9406 (mips_emit_compare): Use it.
9407 (mips_expand_vcondv2sf): New function.
9409 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9411 Fix PR tree-optimization/27093
9412 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9413 renaming when they become not-used_alone.
9415 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9417 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9418 relocation and relocation stubs.
9420 2006-05-08 Eric Christopher <echristo@apple.com>
9422 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9425 2006-05-08 Jan Hubicka <jh@suse.cz>
9428 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9429 unused static functions are needed.
9431 2006-05-08 Roger Sayle <roger@eyesopen.com>
9434 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9435 of a reg_equiv_constant if the result is a legitimate constant.
9437 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9440 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9441 standard 80387 constants, raise the cost to prevent
9442 compress_float_constant() to generate load from memory.
9444 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9446 * config/arm/constraints.md (c): Fix a typo.
9448 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9451 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9454 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9456 (_mm_mwait): Likewise.
9458 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9460 (sse3_monitor): Make it 32bit only.
9461 (sse3_monitor64): New. 64bit monitor.
9463 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9466 * config/i386/i386.c (classify_argument): Skip fields with invalid
9469 2006-05-07 Richard Guenther <rguenther@suse.de>
9471 PR tree-optimization/27409
9472 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9473 Do not try to find zero-sized subvars.
9475 2006-05-07 Richard Guenther <rguenther@suse.de>
9477 PR tree-optimization/27136
9478 * tree-ssa-loop-niter.c (get_val_for): Correct function
9479 comment, assert requirements.
9480 (loop_niter_by_eval): Stop processing if the iterated
9481 value did not simplify.
9483 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9485 * opts.c (flag_see): remove its setting at -O3.
9487 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9489 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9490 * arm/constraints.md: New file.
9491 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9492 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9493 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9494 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9495 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9496 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9497 * arm.md: Include constraints.md.
9498 (thumb_movsi_insn): Use satisfies_constraint_J.
9499 (movhi, movqi): Use satisfies_constraint_I.
9501 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9503 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9504 for atmeg a645 device.
9506 2006-05-06 Richard Guenther <rguenther@suse.de>
9508 PR tree-optimization/27151
9509 * tree-vect-transform.c (vectorizable_condition): Punt on
9510 values that have a different type than the condition.
9512 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9515 * c-parser.c (c_parser_cast_expression): Only insert casts into
9516 hash table if pointer.
9517 * function.c (used_types_insert_helper): Rename from
9519 (used_types_insert): Call used_types_insert_helper.
9520 * function.h (used_types_insert): Accept only one argument.
9522 2006-05-05 David Edelsohn <edesohn@gnu.org>
9524 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9525 scratch with output modifier.
9527 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9530 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9531 with output modifier.
9533 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9536 * config/mips/mips.c (mips_symbolic_address_p): Return true
9537 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9538 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9540 2006-05-04 Richard Guenther <rguenther@suse.de>
9542 PR tree-optimization/14287
9543 PR tree-optimization/14844
9544 PR tree-optimization/19792
9545 PR tree-optimization/21608
9546 PR tree-optimization/27090
9547 * tree-ssa-pre.c (try_combine_conversion): New function.
9548 (compute_avail): After constructing the value-handle
9549 expression, use try_combine_conversion to combine NOP_EXPRs
9550 with previous value-handle expressions and use the result if it
9553 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9555 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9557 2006-05-04 Jan Hubicka <jh@suse.cz>
9560 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9562 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9564 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9565 that this only matches CONST_INTs. All users changed to VOIDmode
9568 * config/bfin/bfin.c: Include "optabs.h".
9569 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9571 (enum bfin_builtins): Add a number of fractional and vector builtins.
9572 (bfin_init_builtins): Likewise.
9573 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9574 (safe_vector_operand, bfin_expand_binop_builtin,
9575 bfin_expand_unop_builtin): New functions.
9576 (bfin_expand_builtin): Handle the new builtins.
9577 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9580 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9583 * Makefile.in (OBJS-common): Add see.o.
9584 (see.o): Add dependencies.
9585 * common.opt (fsee): New flag for the see optimization was added.
9586 * opts.c (flag_see): Initialized.
9587 * passes.c (init_optimization_passes, pass_see): New pass.
9588 * rtl.h (see_main): Declaration as extern.
9589 * timevar.def (TV_SEE): New.
9590 * tree-pass.h (pass_see): Declaration as extern.
9591 * invoke.texi (-fsee): Document.
9592 * recog.c (validate_simplify_insn): New function.
9593 * recog.h (validate_simplify_insn): Declaration as extern.
9594 * df-problems.c (df_chain_dump): Check for NULL.
9596 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9597 Daniel Berlin <dberlin@dberlin.org>
9599 * cfgrtl.c (insert_insn_bb_end_new): New function.
9600 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9602 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9604 * df.h (struct web_entry): Moved from web.c.
9605 (union_defs): Declaration as extern.
9606 (unionfind_root): Likewise.
9607 (unionfind_union): Likewise.
9608 * web.c (struct web_entry): Moved to df.h.
9609 (unionfind_root): Remove static declaration.
9610 (unionfind_union): Likewise.
9611 (union_defs): Likewise and generalize to use callback function.
9612 (web_main): Update arguments for union_defs function call.
9614 2006-05-04 Richard Guenther <rguenther@suse.de>
9616 PR tree-optimization/26447
9617 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9618 produce SSA_NAME copies before the store stmt to avoid
9619 breaking exception handling.
9621 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9624 * gimplify.c (omp_is_private): If var is shared in some outer context,
9625 return false instead of true. Stop searching on parallel context
9628 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9631 * coverage.c: Use get_gcov_unsigned_t() instead of
9632 unsigned_type_node all over.
9634 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9636 PR tree-optimization/27381
9637 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9638 maintain the same immediate_use links.
9639 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9640 node rather than segfaulting.
9642 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9645 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9646 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9647 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9649 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9651 Fix PR tree-optimization/26626
9652 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9654 * tree-ssa-operands.c (access_can_touch_variable): Allow
9655 typecasting through union pointers.
9657 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9660 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9661 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9662 to find if var will be a global variable even in the nested context.
9663 (omp_copy_decl): Only check for global variable at the end, it might
9664 be overridden in outer contexts.
9665 (scan_sharing_clauses): For global variables don't create a field.
9666 (lower_rec_input_clauses): Do nothing for global shared variables.
9667 Emit a barrier at the end of ILIST if there were any decls in both
9668 firstprivate and lastprivate clauses.
9669 (lower_send_clauses): Do nothing for global variables except for
9672 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9674 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9675 of the correct signedness is returned.
9677 2006-05-02 Jeff Law <law@redhat.com>
9679 PR tree-optimization/27364
9680 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9681 multiply expressions.
9683 2006-05-02 Tom Tromey <tromey@redhat.com>
9685 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9687 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9690 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9691 -mthumb -fPIC are used.
9693 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9694 Joshua Kinard <kumba@gentoo.org>
9697 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9698 with 64-bit pointers.
9700 2006-05-02 Paul Brook <paul@codesourcery.com>
9702 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9704 (create_fix_barrier): Check that a suitable barrier location is
9706 (arm_reorg): Include ftmp->address in allowable range of addresses.
9708 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9711 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9714 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9717 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9718 around RESULT_DECL for result passed by reference.
9719 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9720 * omp-low.c (use_pointer_for_field): Don't look at
9721 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9722 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9723 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9724 time or var for passing by reference for
9725 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9726 TREE_ADDRESSABLE variables when passing by reference.
9728 * omp-low.c (dump_omp_region): Fix output formatting.
9731 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9732 (expand_omp_parallel): Likewise.
9733 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9736 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9737 on statement list containing also constructors and destructors.
9738 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9741 * except.c (duplicate_eh_regions): Fix clearing of
9742 cfun->eh->region_array entries.
9744 2006-05-01 DJ Delorie <dj@redhat.com>
9746 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9748 (gcc_cv_objdump): Likewise.
9749 * configure: Regenerated.
9751 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9754 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9755 templates for case 3 and 4.
9757 2006-05-01 DJ Delorie <dj@redhat.com>
9759 * vec.c: Include bconfig.h when appropriate.
9760 * Makefile.in (build/vec.o): Adjust dependencies.
9761 * mkconfig.sh: Make sure config.h isn't used for build machine
9764 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9766 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9768 (mark_phi_for_rewrite): New function.
9769 (insert_phi_nodes_for, mark_use_interesting): Call
9770 mark_phi_for_rewrite.
9771 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9772 (update_ssa): Initialize and free phis_to_rewrite.
9774 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9776 PR rtl-optimization/27291
9777 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9778 folded to a constant.
9780 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9782 PR tree-optimization/27283
9783 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9784 not whole # of iteration descriptions.
9785 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9786 uses abnormal ssa name.
9787 (niter_for_single_dom_exit): Ditto.
9788 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9789 return just the number of iterations.
9791 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9793 PR tree-optimization/27144
9794 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9795 (record_estimate): Only record constant upper bound.
9796 (infer_loop_bounds_from_undefined): Call
9797 compute_estimated_nb_iterations just once.
9798 (proved_non_wrapping_p): Renamed to ...
9799 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9800 (convert_step_widening, scev_probably_wraps_p): Call
9801 n_of_executions_at_most instead of proved_non_wrapping_p.
9802 (substitute_in_loop_info): Do not replace values in bounds.
9803 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9806 2006-05-01 Richard Henderson <rth@redhat.com>
9809 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9810 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9813 2006-05-01 Roger Sayle <roger@eyesopen.com>
9815 * c-typeck.c (parser_build_binary_op): Don't call the function
9816 unsigned_conversion_warning to spot operand/result type overflow.
9817 (build_binary_op): Instead, call convert_and_check instead of
9818 convert to report the problem when the operands are promoted.
9819 * c-common.c (unsigned_conversion_warning): Make static.
9820 * c-common.h (unsigned_conversion_warning): Delete prototype.
9822 2006-05-01 Richard Guenther <rguenther@suse.de>
9824 PR tree-optimization/26726
9825 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9827 (find_interesting_uses_address): ... we work around here
9828 by folding INDIRECT_REFs in the substituted base.
9830 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9832 * omp-low.c (dump_omp_region): Add newlines.
9834 2006-04-30 Roger Sayle <roger@eyesopen.com>
9836 * common.opt (Woverflow): New command line option.
9837 * c-common.c (constant_expression_warning): Check warn_overflow.
9838 (overflow_waring): Pass OPT_Woverflow to warning.
9839 (unsigned_conversion_warning): Likewise.
9840 (convert_and_check): Likewise.
9841 * doc/invoke.texi: Document new command line option.
9843 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9845 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9846 TARGET_NO_FP_IN_TOC for section anchors.
9847 (optimization_options): Enable section anchors for all
9848 non-"Objective" languages.
9850 2006-04-28 Eric Christopher <echristo@apple.com>
9852 * config/darwin-c.c (darwin_ms_struct): Move this
9853 (darwin_set_default_type_attributes): and this...
9854 * config/darwin.c: ... here.
9855 * config/darwin.h (darwin_ms_struct): Declare.
9857 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9859 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9861 2006-04-28 Roger Sayle <roger@eyesopen.com>
9864 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9865 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9866 an unsigned HOST_WIDE_INT.
9867 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9869 (really_start_incremental_init): No need to call convert because
9870 bitsize_zero_node is already of type bitsizetype.
9871 (push_init_level): Extract the value of constructor_index as an
9872 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9873 (process_init_element): Likewise.
9875 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9877 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9878 value before passing to make_relative_prefix.
9880 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9883 * builtins.c (expand_builtin_memset): Expand val in original mode.
9885 2006-04-27 Eric Christopher <echristo@apple.com>
9887 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9888 with #ifndef/#endif.
9889 * config/darwin-c.c (darwin_ms_struct): New.
9890 (darwin_pragma_ms_struct): Ditto.
9891 (darwin_set_default_type_attributes): Ditto.
9892 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9893 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9894 Register ms_struct pragma.
9895 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9896 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9897 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9898 darwin_set_default_type_attributes if TARGET_MACHO.
9900 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9902 PR tree-optimization/26854
9903 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9904 * doc/tree-ssa.texi: Update immuse iterator documentation.
9905 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
9906 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
9907 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
9908 first_safe_imm_use, next_safe_imm_use): Remove.
9909 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
9910 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
9911 (move_use_after_head): New. Helper function to sort immuses in a stmt.
9912 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
9913 (first_imm_use_stmt): New. Get first stmt in an immuse list.
9914 (next_imm_use_stmt): New. Get next stmt in an immuse list.
9915 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
9916 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
9917 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
9918 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
9919 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
9920 (perfect_nestify): Use new iterator.
9921 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
9923 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
9924 (next_imm_name): New field in struct immediate_use_iterator_d.
9925 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
9926 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
9927 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
9928 * tree-cfg.c (replace_uses_by): Use new iterator.
9929 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
9930 * tree-ssa-operands.c (correct_use_link): Remove.
9931 (finalize_ssa_use_ops): No longer call correct_use_link.
9933 2006-04-27 Stuart Hastings <stuart@apple.com>
9935 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
9936 * config/t-darwin (crt3.o): Use it.
9937 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
9938 'pmode', use Pmode instead of SImode for SYMBOL_REF.
9939 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
9940 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
9941 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
9944 2006-04-27 Roger Sayle <roger@eyesopen.com>
9946 * expmed.c (store_fixed_bit_field): If we're not optimizing for
9947 size, force the intermediate into a new pseudo rather instead of
9948 performing both a bitwise AND and a bitwise IOR in memory.
9950 2006-04-27 Richard Guenther <rguenther@suse.de>
9952 PR rtl-optimization/26685
9953 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
9954 this one "max-flow-memory-locations".
9956 2006-04-27 Richard Guenther <rguenther@suse.de>
9958 PR tree-optimization/25148
9959 * tree-vrp.c (compare_values): Remove code dealing with
9960 comparisons against type min/max value. Honour overflow
9961 and negative constants in code dealing with comparisons
9962 of plus and minus expressions.
9963 (value_inside_range): Use fold_binary with LE_EXPR and
9964 GE_EXPR rather than compare_values.
9966 2006-04-27 Dirk Mueller <dmueller@suse.de>
9968 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
9971 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
9973 * basic-block.h (safe_insert_insn_on_edge): Removed.
9974 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
9976 2006-04-26 David Edelsohn <edelsohn@gnu.org>
9977 Paolo Bonzini <bonzini@gnu.org>
9980 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
9981 (simplify_and_const_int): Same.
9983 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
9985 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
9987 2006-04-26 Jakub Jelinek <jakub@redhat.com>
9990 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
9991 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
9992 cgraph_global_info_ready.
9995 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
9998 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
9999 either decl or init is error_mark_node.
10001 PR middle-end/25989
10002 * tree-flow.h (struct omp_region): Add sched_kind.
10003 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10004 instead of extracting omp for data.
10005 (expand_omp_for): Save extracted sched_kind.
10007 2006-04-25 Roger Sayle <roger@eyesopen.com>
10009 * expmed.c (store_bit_field): Also check whether the bitsize is
10010 valid for the machine's "insv" instruction before moving the
10011 target into a pseudo for use with the insv.
10012 * config/i386/predicates.md (const8_operand): New predicate.
10013 * config/i386/i386.md (extv, extzv, insv): Use the new
10014 const8_operand predicate where appropriate.
10016 2006-04-25 DJ Delorie <dj@redhat.com>
10018 * doc/install.texi (Specific): Clarify that this is not a list of
10019 supported hosts or targets.
10021 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10023 PR rtl-optimization/26725
10024 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10025 block's BB_DIRTY flag.
10027 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10029 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10032 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10033 to print an integer.
10035 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10037 * varasm.c (align_variable): New function.
10038 (get_block_for_decl): Apply align_variable to DECL before
10039 calculating section information.
10040 (assemble_variable): Split out alignment computation.
10042 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10044 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10047 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10049 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10050 MODE_PARTIAL_INT mode.
10051 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10052 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10054 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10055 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10057 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10059 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10061 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10062 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10063 MACFLAG_IH): Likewise.
10064 (movstricthi_1): Renamed from "*movstricthi".
10065 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10066 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10067 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10068 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10069 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10070 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10071 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10072 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10073 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10074 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10075 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10076 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10077 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10078 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10079 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10081 * doc/rtl.texi (ss_ashift): Improve wording.
10083 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10085 * dwarf2out.c (verify_marks_clear): New.
10086 (prune_unused_types): Call verify_marks_clear initially, not
10089 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10091 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10092 * doc/rtl.texi: Document them.
10093 * simplify-rtx.c (simplify_unary_operation,
10094 simplify_binary_operation_1): Don't abort when we see them.
10096 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10099 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10100 * configure.ac: Completely disregard languages that are not
10102 * configure: Regenerated.
10104 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10105 Richard Guenther <rguenther@suse.de>
10107 PR tree-optimization/27236
10108 * tree-inline.c (copy_body_r): Make sure to copy
10109 TREE_THIS_VOLATILE flag.
10111 2006-04-24 Richard Guenther <rguenther@suse.de>
10113 PR middle-end/26869
10114 * tree-complex.c (update_parameter_components): Don't handle
10115 unused parameters which have no default def.
10117 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10118 Richard Guenther <rguenther@suse.de>
10120 PR tree-optimization/27218
10121 * tree-inline.c (expand_call_inline): Strip useless type
10122 conversions for the return slot address.
10124 2006-04-24 Richard Guenther <rguenther@suse.de>
10126 * cfgloop.h (struct loops): Remove unused field array. Reorder
10128 (LOOP_PREFETCH): Remove.
10130 2006-04-24 Richard Guenther <rguenther@suse.de>
10132 PR tree-optimization/22525
10133 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10134 variable, adjust types of generated expressions.
10136 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10138 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10139 (tree-vect-patterns.o): Likewise.
10140 (jump.o): Likewise.
10141 (cselib.o): Likewise.
10142 (loop-doloop.o): Likewise.
10143 (regclass.o): Likewise.
10144 (reload1.o): Likewise.
10145 (explow.o): Replace target.h with $(TARGET_H).
10146 (ipa-prop.o): Likewise.
10147 (ipa-cp.o): Likewise.
10148 (ipa-inline.o): Likewise.
10149 (reorg.o): Likewise.
10150 (reg-stack.o): Likewise.
10152 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10154 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10156 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10158 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10160 * configure.ac: Completely disregard languages that are not
10162 * configure: Regenerated.
10165 * c-common.h (c_build_bitfield_integer_type): Declare.
10166 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10167 * c-common.c (c_build_bitfield_integer_type): ... here.
10169 2006-04-23 Roger Sayle <roger@eyesopen.com>
10172 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10173 a SImode SUBREG of a floating point register after no_new_pseudos.
10175 2006-04-23 Roger Sayle <roger@eyesopen.com>
10177 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10178 identify potentially eliminable registers to additionally catch
10179 VIRTUAL_INCOMING_ARGS_REGNUM.
10180 (addsi3): Update the conditions on when to use addsi_small_int.
10182 2006-04-23 Roger Sayle <roger@eyesopen.com>
10185 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10186 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10187 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10189 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10191 * fold-const.c (range_predecessor): Use operand_equal_p
10192 as the predicate for equality.
10193 (range_successor): Likewise.
10195 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10198 * config/soft-fp/op-common.h: Fix a typo.
10200 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10202 PR libmudflap/26864
10203 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10204 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10206 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10208 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10210 * doc/tm.texi: Fix a typo.
10212 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10214 * dwarf2out.c (struct die_struct): Document that die_sib makes
10215 a circular linked list.
10216 (FOR_EACH_CHILD): New.
10217 (reverse_die_lists): Delete.
10218 (reverse_all_dies): Delete.
10219 (add_dwarf_attr): Correct documentation.
10220 (remove_child_with_prev): New.
10221 (remove_child_TAG): Update for change to die_struct, use
10222 remove_child_with_prev.
10223 (add_child_die): Update for change to die_struct.
10224 (splice_child_die): Use remove_child_with_prev and add_child_die.
10225 (print_die): Use FOR_EACH_CHILD.
10226 (die_checksum): Likewise.
10227 (assign_symbol_names): Likewise.
10228 (output_location_lists): Likewise.
10229 (build_abbrev_table): Likewise.
10230 (calc_die_sizes): Likewise.
10231 (mark_dies): Likewise.
10232 (unmark_dies): Likewise.
10233 (unmark_all_dies): Likewise.
10234 (output_die): Likewise.
10235 (prune_unused_types_mark): Likewise.
10236 (prune_unused_types_walk): Likewise.
10237 (same_die_p): Update for change to die_struct.
10238 (break_out_includes): Likewise.
10239 (prune_unused_types_prune): Likewise.
10240 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10241 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10242 it's already clear.
10243 (dwarf2out_finish): Don't call reverse_all_dies.
10245 2006-04-21 Eric Christopher <echristo@apple.com>
10247 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10248 in comments and function names.
10250 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10253 * c-typeck.c (digest_init): Robustify.
10255 * c-typeck.c (pop_init_level): Simplify.
10257 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10259 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10261 2006-04-21 Paul Brook <paul@codesourcery.com>
10263 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10264 hardware floating point.
10266 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10268 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10271 2006-04-21 Nick Clifton <nickc@redhat.com>
10273 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10276 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10279 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10280 C++ lang type in traceback table for Objective-C++.
10282 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10284 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10286 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10288 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10291 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10292 were errors. Remove check for erroneous objects.
10294 2006-04-20 Jeff Law <law@redhat.com>
10296 PR tree-optimization/26854
10297 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10298 checking for zero or one use.
10299 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10300 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10301 * tree-ssa-reassoc.c (negate_value): Similarly.
10302 (reassociate_bb): Similarly.
10304 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10306 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10307 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10308 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10310 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10312 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10313 fp regs if the last fp arg doesn't fit in regs.
10315 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10318 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10319 that the last insn has the REG_INC note.
10321 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10322 Nathan Sidwell <nathan@codesourcery.com>
10325 * stor-layout.c (update_alignment_for_field): Do not align
10327 (place_union_field): Place union field at the start of the union.
10328 (place_field): Move ERROR_MARK check later, and use the current
10329 allocation position to maintain monotonicity.
10331 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10333 * dominance.c: Include timevar.h.
10334 (calculate_dominance_info): Use TV_DOMINANCE.
10335 * timevar.def (TV_DOMINANCE): New timevar.
10336 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10338 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10340 PR rtl-optimization/14261
10341 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10342 move would be an INSV insn.
10343 (noce_process_if_block): Don't optimize if the destination is a
10344 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10346 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10348 * config/s390/s390.md: Add comments with the instructions emitted
10349 by an insn pattern if macros are used.
10351 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10353 PR rtl-optimization/26026
10354 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10355 is a known power of two shifted left a variable amount.
10357 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10359 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10360 to hash table twice when the debug_str section has SECTION_MERGE.
10362 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10364 * config/soft-fp: New directory. From glibc.
10365 * config/soft-fp/t-softfp: New.
10366 * config/soft-fp/README: New.
10367 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10368 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10369 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10370 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10371 * config.gcc: Use rs6000/t-fprules-fpbit or
10372 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10374 * config/rs6000/sfp-machine.h: New. Based on glibc.
10375 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10377 * config/rs6000/t-fprules: Remove fp-bit rules.
10378 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10379 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10380 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10381 (softfp_wrap_start, softfp_wrap_end): New.
10383 2006-04-18 DJ Delorie <dj@redhat.com>
10385 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10387 2006-04-18 Devang Patel <dpatel@apple.com>
10389 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10391 2006-04-18 Nick Clifton <nickc@redhat.com>
10393 * config/sh/t-symbian: Add rule to build sh-c.o
10394 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10395 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10396 (sh_symbian_encode_section_info): Likewise.
10398 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10400 * builtins.c (expand_builtin_strcmp): Cover label definition of
10401 do_libcall with HAVE_cmpstrnsi.
10403 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10405 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10407 * function.h (temp_slot_p): New.
10408 (function): Change the type of x_used_temp_slots to
10409 VEC(temp_slot_p,gc) *.
10411 2006-04-18 Nick Clifton <nickc@redhat.com>
10413 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10414 flag_strength_reduce.
10416 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10418 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10422 Partial revert of revision 112637
10423 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10424 Dale Johannesen <dalej@apple.com>
10427 * regclass.c (struct reg_pref): Update documentation.
10428 (regclass): Set prefclass to NO_REGS if memory is the best option.
10429 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10431 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10433 PR tree-optimization/26821
10434 * tree-ssa-math-opts.c (get_constant_one): New.
10435 (insert_reciprocals): Use it.
10437 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10439 * dwarf2out.c (free_AT): Delete.
10440 (remove_AT): Update string ref counts.
10441 (remove_child_TAG): Don't call free_die.
10442 (free_die): Delete.
10443 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10444 or DW_TAG_GNU_EINCL.
10445 (prune_unused_types_walk_attribs): Reset string refcounts.
10446 (prune_unused_types_update_strings): New.
10447 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10448 call free_die. Do call prune_unused_types_update_strings.
10449 (prune_unused_types): Empty debug_str_hash.
10451 2006-04-17 Roger Sayle <roger@eyesopen.com>
10453 * expr.c (expand_assignment): Optimize away no-op moves where the
10454 source and destination are equal and have no side-effects.
10456 2006-04-17 Richard Guenther <rguenther@suse.de>
10459 * reload.c (push_reload): Guard calls to get_secondary_mem
10460 for memory subregs.
10462 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10464 * alias.c (reg_base_value, old_reg_base_value): Change the
10465 type to VEC(rtx,gc) *.
10466 (REG_BASE_VALUE, find_base_value, record_set,
10467 init_alias_analysis): Use VEC instead of VARRAY.
10469 * alias.c (alias_sets): Change the type to
10470 VEC(alias_set_entry,gc) *.
10471 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10472 VEC instead of VARRAY.
10473 (last_alias_set): Remove.
10475 * cgraph.h (cgraph_edge_p): New.
10476 Update the prototype of cgraph_function_versioning.
10477 * cgraphunit.c (cgraph_copy_node_for_versioning,
10478 cgraph_function_versioning): Use VEC instead of VARRAY.
10479 * ipa-cp.c (ipcp_insert_stage): Likewise.
10481 2006-04-16 Roger Sayle <roger@eyesopen.com>
10484 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10485 "A op B" or "A op C", we may need to convert A to the type of B and C.
10487 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10489 * target.h (struct gcc_target): Add mode_rep_extended.
10490 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10491 (init_num_sign_bit_copies_in_rep): Initialize it using
10493 (truncate_to_mode): Use it.
10494 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10495 * targhooks.h (default_mode_rep_extended): Declare it.
10496 * targhooks.c (default_mode_rep_extended): Define it.
10497 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10498 default_mode_rep_extended.
10499 (TARGET_INITIALIZER): Include it.
10500 * doc/tm.texi (Misc): Document it.
10501 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10502 (mips_truncated_to_mode): New function.
10504 2006-04-16 Roger Sayle <roger@eyesopen.com>
10506 PR middle-end/25474
10507 * expr.c (compress_float_constant): Copy the narrow constant into
10508 a new pseudo before extending it to its final width.
10510 2006-04-16 Roger Sayle <roger@eyesopen.com>
10511 Andrew Pinski <pinskia@gcc.gnu.org>
10512 Dale Johannesen <dalej@apple.com>
10515 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10516 special case code to implement V8HImode and V16QImode with SSE2.
10518 2006-04-15 Roger Sayle <roger@eyesopen.com>
10520 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10521 trees are constructed with a suitable tree type.
10523 2006-04-15 Roger Sayle <roger@eyesopen.com>
10525 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10526 (integer_onep): Likewise.
10527 (integer_all_onesp): Likewise.
10528 (integer_pow2p): Likewise.
10529 (integer_nonzerop): Likewise.
10530 (real_zerop): Likewise.
10531 (real_onep): Likewise.
10532 (real_twop): Likewise.
10533 (real_minus_onep): Likewise.
10534 (int_size_in_bytes): Likewise.
10535 (host_integerp): Likewise.
10537 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10539 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10540 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10541 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10543 * tree-ssa-structalias.h (alias_info): Remove num_references.
10545 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10547 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10548 (output_bvb patterns): Likewise.
10549 * pa.c (output_bb): Use 'bb' insn for long branch case.
10550 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10551 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10552 1. Correct length operand for alternatives 1 and 2.
10553 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10554 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10556 2006-04-14 Roger Sayle <roger@eyesopen.com>
10558 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10559 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10560 were accidentally reverted by r112959.
10562 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10564 PR middle-end/26823
10565 * except.h (eh_region_outermost): New prototype.
10566 * except.c (eh_region_outermost): New function.
10567 * tree-cfg.c (find_outermost_region_in_block): Use it.
10569 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10571 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10573 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10574 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10575 (init_reload, reload): Use VEC instead of VARRAY.
10576 * reload.h: Update the prototype for
10577 reg_equiv_memory_loc_varray.
10579 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10580 Eric Botcazou <ebotcazou@libertysurf.fr>
10582 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10583 register save area.
10585 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10587 PR middle-end/27134
10588 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10589 to expand fallback builtin function call.
10591 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10593 PR middle-end/27095
10594 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10595 and emit libcall here in case the builtin fails.
10596 (expand_builtin_strcmp): Always emit the libcall here on failure.
10598 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10600 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10601 * flow.c (reg_n_info): Change the type to
10602 VEC(reg_info_p,heap) *.
10603 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10605 * regs.h (reg_info_p): New.
10606 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10607 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10608 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10611 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10613 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10615 * params.h (MAX_SCHED_READY_INSNS): New macro.
10616 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10617 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10618 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10619 the ready list for 1 cycle during the first scheduling pass.
10620 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10622 2006-04-13 Richard Henderson <rth@redhat.com>
10625 * gimple-low.c (lower_omp_directive): Remove dead code.
10626 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10627 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10628 * omp-low.c (struct omp_region): Move to tree-flow.h.
10629 (root_omp_region): Export.
10630 (omp_regions, lookup_omp_region): Remove.
10631 (determine_parallel_type): Update for struct omp_region changes.
10632 (dump_omp_region): Dump regions with block numbers.
10633 (new_omp_region): Take type and block instead of stmt; malloc
10635 (free_omp_region_1, free_omp_regions): New.
10636 (expand_parallel_call): Take entry_stmt as argument; update for
10637 changes to omp_region.
10638 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10639 (remove_exit_barriers): New.
10640 (expand_omp_parallel): Update for struct omp_region changes.
10641 (expand_omp_synch): Likewise.
10642 (expand_omp): Likewise.
10643 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10644 (expand_omp_for_static_chunk): Likewise.
10645 (expand_omp_for): Likewise.
10646 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10647 (expand_omp_sections): Similarly, with GOMP_sections_end.
10648 (expand_omp_single): New.
10649 (build_omp_regions_1): Update for OMP_CONTINUE.
10650 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10651 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10652 OMP_SECTIONS_SECTIONS.
10653 (lower_omp_single_simple): Don't emit barrier here.
10654 (lower_omp_single_copy): Likewise.
10655 (lower_omp_single): Fix bindings, and lower to straightline now.
10656 (lower_omp_master, lower_omp_ordered): Likewise.
10657 (lower_omp_critical): Likewise.
10658 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10659 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10660 omp edges, free it afterward.
10661 (make_omp_sections_edges): Remove.
10662 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10663 (move_stmt_r): Handle OMP_CONTINUE.
10664 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10665 statement pointers to basic blocks. Add type member.
10666 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10667 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10668 * tree-inline.c (estimate_num_insns_1): Likewise.
10669 * tree-pretty-print.c (dump_generic_node): Likewise.
10670 * tree-ssa-operands.c (get_expr_operands): Likewise.
10671 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10672 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10673 (OMP_CONTINUE): New.
10674 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10675 (OMP_SECTIONS_SECTIONS): Remove.
10676 (OMP_SECTION_LAST): New.
10677 (OMP_RETURN_NOWAIT): New.
10679 2006-04-13 Roger Sayle <roger@eyesopen.com>
10681 * fold-const.c (native_encode_vector, native_interpret_real):
10682 Correct obvious mistakes in the previous check-in.
10684 2006-04-13 Roger Sayle <roger@eyesopen.com>
10686 * fold-const.c (native_encode_expr): New function to encode
10687 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10688 or VECTOR_CST into a specified buffer.
10689 (native_encode_int): New function.
10690 (native_encode_real): New function.
10691 (native_encode_complex): New function.
10692 (native_encode_vector): New function.
10693 (native_interpret_expr): Inverse of native_encode_expr to convert
10694 a target representation into an INTEGER_CST, REAL_CST etc...
10695 (native_interpret_int): New function.
10696 (native_interpret_real): New function.
10697 (native_interpret_complex): New function.
10698 (native_interpret_vector): New function.
10699 (fold_view_convert_expr): New function to constant fold/evaluate
10700 a VIEW_CONVERT_EXPR of a suitable constant expression.
10701 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10702 Change call of build1 to fold_build1 when constructing a
10705 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10706 Ulrich Weigand <uweigand@de.ibm.com>
10709 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10712 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10715 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10716 optimize to lo_sum for DFmode if !TARGET_FPRS.
10718 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10720 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10721 delete_alias_info, compute_flow_sensitive_aliasing,
10722 group_aliases): Use VEC instead of VARRAY.
10723 * tree-ssa-structalias.c (update_alias_info): Likewise.
10724 * tree-ssa-structalias.h (alias_info): Change the type of
10725 processed_ptrs to VEC(tree,heap) *.
10727 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10730 * config/sh/lib1funcs.h: New file, broken out of:
10731 * config/sh/lib1funcs.asm.
10732 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10734 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10735 * config/sh/lib1funcs-Os-4-200.asm: New file.
10736 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10737 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10738 (EXTRA_MULTILIB_PARTS): Include it.
10739 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10740 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10741 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10742 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10745 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10747 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10748 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10749 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10751 * tree-ssa-live.h: Include vecprim.h.
10752 (tree_partition_associator_d): Change the type of
10753 first_partition to VEC(int,heap) *.
10754 (tpa_first_partition): Use VEC instead of VARRAY.
10756 * Makefile.in (GTFILES): Move functions.h after tree.h.
10757 * function.c (reset_block_changes, record_block_change,
10758 check_block_change, free_block_changes): Use VEC instead of
10760 * function.h (function): Change the type of
10761 ib_boundaries_block to VEC(tree,gc) *.
10762 * tree-inline.c (copy_cfg_body): Initialize
10763 ib_boundaries_block to NULL instead of (varray_type) 0.
10765 2006-04-12 Roger Sayle <roger@eyesopen.com>
10767 * expr.c (emit_group_store): Correct operand order in call to
10768 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10769 a SUBREG_BYTE of zero.
10771 2006-04-12 Richard Guenther <rguenther@suse.de>
10773 * profile.c (compute_branch_probabilities): Remove code
10774 encapsulated in !ir_type (), which are remanents of the
10775 removed RTL profiling code.
10776 * rtl-profile.c: Remove.
10778 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10780 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10781 magic NULL_RTX comment.
10782 (function_arg): Store entire fp arg to mem if any part should go
10784 (rs6000_arg_partial_bytes): Adjust for above change.
10786 2006-04-11 Roger Sayle <roger@eyesopen.com>
10788 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10789 if it hasn't been initialized by dwarf2out_init.
10791 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10793 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10794 symbolic constants in branch patterns.
10796 2006-04-11 Roger Sayle <roger@eyesopen.com>
10798 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10800 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10802 PR rtl-optimization/27073
10803 * gcse.c (try_replace_reg): Revert last change. Continue to search
10804 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10807 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10809 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10810 aggregate types other than record and union types.
10811 (function_arg): Likewise.
10812 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10814 (function_value): In 64-bit mode, return objects that require it
10817 2006-04-11 Roger Sayle <roger@eyesopen.com>
10819 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10821 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10823 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10825 2006-04-03 Jeff Law <law@redhat.com>
10828 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10829 alias information too.
10831 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10833 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10835 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10838 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10839 (premark_used_types_helper): New.
10840 (premark_used_types): New.
10841 (gen_subprogram_die): Call premark_used_types.
10842 (prune_unused_types_walk): Do not prune perennial dies.
10843 * function.c (used_types_insert): New.
10844 * function.h (struct function): Add used_types_hash field.
10845 (used_types_insert): Add prototype.
10846 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10847 * c-parser.c (c_parser_cast_expression): Save casted types in used
10850 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10853 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10854 rs6000_explicit_options.float_gprs.
10856 2006-04-10 Roger Sayle <roger@eyesopen.com>
10858 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10859 from ix86_expand_vector_init_low_nonzero. Take an additional
10860 one_var argument indicating which element is non-zero. Support
10861 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10862 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10863 with one_var instead of ix86_expand_vector_init_low_nonzero.
10865 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10867 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10868 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10869 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10870 build/genextract.o): Depend on vecprim.h.
10871 * cfglayout.c, df-problems.c, function.c, genextract.c,
10872 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10873 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10877 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10879 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10880 Declare VECs of this type.
10881 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10882 (remove_children): Delete.
10883 (add_dwarf_attr): Use VEC routines.
10884 (add_AT_flag): Update for changes to add_dwarf_attr.
10885 (add_AT_int): Likewise.
10886 (add_AT_unsigned): Likewise.
10887 (add_AT_long_long): Likewise.
10888 (add_AT_vec): Likewise.
10889 (add_AT_string): Likewise.
10890 (add_AT_die_ref): Likewise.
10891 (add_AT_fde_ref): Likewise.
10892 (add_AT_loc): Likewise.
10893 (add_AT_loc_list): Likewise.
10894 (add_AT_addr): Likewise.
10895 (add_AT_lbl_id): Likewise.
10896 (add_AT_lineptr): Likewise.
10897 (add_AT_macptr): Likewise.
10898 (add_AT_offset): Likewise.
10899 (add_AT_range_list): Likewise.
10900 (get_AT): Use VEC_iterate.
10901 (remove_AT): Use VEC_ordered_remove.
10902 (free_die): Fold remove_children into here; have it use VEC_iterate.
10903 (print_die): Use VEC_iterate on attrs.
10904 (reverse_die_lists): Don't reverse attr lists.
10905 (die_checksum): Use VEC_iterate on attrs.
10906 (same_die_p): Likewise.
10907 (output_location_lists): Likewise.
10908 (build_abbrev_table): Likewise.
10909 (size_of_die): Likewise.
10910 (unmark_all_dies): Likewise.
10911 (output_abbrev_section): Likewise.
10912 (output_die): Likewise.
10913 (prune_unused_types_walk_attribs): Likewise.
10915 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
10917 * doc/install.texi (*-*-solaris2*): Point to the configure page.
10919 2006-04-10 Jakub Jelinek <jakub@redhat.com>
10922 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
10924 2006-04-09 Roger Sayle <roger@eyesopen.com>
10926 * expr.c (store_constructor): Don't bother clearing target if
10927 we're about to assign a vector to it using vec_init_optab.
10929 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
10931 * tree-ssa-alias.c (lhs_may_store_to): New function.
10932 (recalculate_used_alone): Handle LHS of calls.
10934 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10938 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
10939 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
10940 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
10941 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
10942 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
10943 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
10944 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
10945 stubs. Add ".align 8" directives before all ".dword" directives.
10946 (GTHREAD_USE_WEAK): Revise comment.
10947 (TARGET_ATTRIBUTE_WEAK): Define.
10948 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
10949 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
10950 * stublib.c: New file.
10955 * pa.md (cbranch patterns): Revise arguments used in calls to
10956 output_cbranch, output_bb and output_bvd. Add long branch length
10958 (fbranch patterns): Handle long branches.
10959 (jump): Revise length check. Revise arguments for output_lbranch call.
10960 Add long branch length attributes.
10961 (decrement_and_branch_until_zero): Add long branch length attributes.
10962 (output_movb, output_parallel_addb and output_parallel_movb patterns):
10963 Likewise. Revise arguments for output_parallel_addb and
10964 output_parallel_movb calls.
10965 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
10966 output_parallel_movb and output_parallel_addb): Update prototypes.
10967 * pa.c (output_cbranch): Revise arguments. Correct handling of
10968 nullification in long branches.
10969 (output_lbranch): Add new argument to control extraction of delay
10971 (output_bb): Handle long branches.
10972 (output_bvb, output_dbra, output_movb, output_parallel_movb,
10973 output_parallel_addb): Likewise.
10975 2006-04-09 Richard Sandiford <richard@codesourcery.com>
10977 PR rtl-optimization/27073
10978 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
10981 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
10983 * tree.h (tree_memory_tag): Add old_used_alone.
10984 (SMT_OLD_USED_ALONE): New macro.
10985 * tree-ssa-alias.c (recalculate_used_alone): Stop
10986 marking things for renaming unnecessarily.
10988 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
10990 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
10991 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
10992 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
10993 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
10994 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
10995 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
10996 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
10997 spelling convensions.
10998 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
10999 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11000 typos. Follow spelling conventions.
11002 2006-04-07 DJ Delorie <dj@redhat.com>
11004 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11005 passed on the stack.
11006 (m32c_init_cumulative_args): When a function returns a structure,
11007 always pass the pointer to that return area on the stack.
11008 (m32c_function_arg_advance): Don't increment the parameter number
11009 if we're processing the returned structure pointer.
11010 (pushm_info): Reverse order of registers.
11012 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11014 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11015 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11016 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11017 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11018 build_int_cst_type.
11019 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11020 chrec_fold_multiply): Same.
11021 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11022 force_expr_to_var_cost): Same.
11023 * tree-mudflap.c (mf_xform_derefs_1): Same.
11024 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11026 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11028 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11029 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11032 2006-04-07 Jan Hubicka <jh@suse.cz>
11034 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11036 2006-04-07 Richard Guenther <rguenther@suse.de>
11038 PR tree-optimization/26135
11039 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11040 loads for store copy-prop.
11041 (copy_prop_visit_stmt): Likewise.
11043 2006-04-05 Robert Millan <robertmh@gnu.org>
11045 * config/i386/linux.h: Add a comment to mark macros that are
11046 being overriden in config/k*bsd-gnu.h.
11047 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11049 * config/knetbsd-gnu.h: Ditto.
11051 2006-04-06 Jan Hubicka <jh@suse.cz>
11055 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11058 2006-04-06 Mike Stump <mrs@apple.com>
11060 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11061 for HAVE_nonlocal_goto to be consistent.
11062 (expand_builtin_nonlocal_goto): Likewise.
11063 (expand_builtin_strcmp): Use #ifdef instead of #if
11064 for HAVE_cmpstrnsi to be consistent.
11066 2006-04-05 DJ Delorie <dj@redhat.com>
11068 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11071 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11073 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11074 got-relative addressing for anything but SImode.
11076 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11077 even if the calling function doesn't modify them.
11079 2006-04-05 Richard Guenther <rguenther@suse.de>
11081 PR tree-optimization/26919
11082 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11083 to cgraph_estimate_size_after_inlining.
11085 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11087 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11089 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11091 PR tree-optimization/26996
11092 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11093 VECTOR_TYPE variables.
11095 2006-04-05 Richard Guenther <rguenther@suse.de>
11097 PR tree-optimization/26763
11098 * fold-const.c (fold_comparison): Move folding of
11099 PTR + CST CMP PTR + CST ...
11100 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11102 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11104 * doc/install.texi (Prerequisites): Refine some wording on
11105 bootstrapping and ksh.
11106 Move the version numbers of DejaGnu here from the testing section
11107 and fix casing of names.
11108 Fix markup and clarify wording for autogen requirements.
11109 Refer to GCJ instead of just java.
11110 Refer to SVN instead of CVS.
11111 Describe diffutils as useful instead of necessary.
11112 (Downloading the source): Refer to SVN instead of CVS.
11113 Adjust a link to our web site accordingly.
11114 (Configuration): Fix casing of Bison.
11115 (Building): Refer to SVN instead of CVS.
11116 Fix a sentence on the use of Bison and remove duplicate (and
11117 incorrect) version number of Bison requirement.
11118 Remove one redundant list of packages needed for building.
11119 (Specific): Avoid reference to CVS.
11121 2006-04-04 Eric Christopher <echristo@apple.com>
11123 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11124 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11125 (rs6000_handle_struct_attribute): New.
11126 (rs6000_ms_bitfield_layout_p): Ditto.
11128 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11130 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11131 NULL for dso parameter to atexit_common.
11133 2006-04-04 Eric Christopher <echristo@apple.com>
11135 * config/i386/i386.c (machopic_output_stub): Output \t
11136 between instructions and operands.
11138 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11140 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11141 satisfies_constraint_[IL] to explicit tests on value.
11143 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11145 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11146 set_nb_iterations_in_loop): Use build_int_cst instead of
11147 build_int_cst_type.
11148 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11149 build_int_cst instead of convert.
11151 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11153 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11154 new value 2 for incoming.
11155 * function.c (expand_function_start): Call struct_value_rtx
11156 with incoming as 2.
11157 * config/sparc/sparc.md: Comment updated_return.
11158 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11159 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11160 struct return if sparc_std_struct_return and incoming is 2.
11161 (print_operand): Do not adjust return if
11162 sparc_std_struct_return.
11164 2006-04-04 Roger Sayle <roger@eyesopen.com>
11166 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11167 convert in the middle-end.
11168 * expr.c (store_expr, store_constructor, get_inner_reference,
11169 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11171 * tree.c (build_range_type): Likewise.
11173 2006-04-04 Tom Tromey <tromey@redhat.com>
11175 * doc/install.texi (Prerequisites): Mention jar.
11177 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11179 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11182 2006-04-04 Matthias Klose <doko@debian.org>
11184 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11188 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11191 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11193 * doc/extend.texi (Function Attributes): Rewrite visibility
11194 attribute documentation.
11195 * doc/invoke.texi (C++ Dialect Options): Rewrite
11196 -fvisibility-inlines-hidden documentation to describe something
11197 entirely different, although in practise compatible.
11198 (Code Gen Options): Warn about system headers in -fvisibility=
11201 * doc/extend.texi (Other Builtins): Document that
11202 __builtin_nan is a compile-time constant only when its argument
11205 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11207 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11208 trying to remove TRUNCATE check if all bits outside the new mode
11209 are identical to the sign bit.
11211 2006-04-03 Jeff Law <law@redhat.com>
11213 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11214 and operand scanning in some common cases.
11216 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11217 Dale Johannesen <dalej@apple.com>
11220 * regclass.c (struct reg_pref): Update documentation.
11221 (regclass): Set prefclass to NO_REGS if memory is the best option.
11222 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11223 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11224 into account. For non-registers, equate an empty preferred
11225 reload class to a `!' in the constraint; move the if clause to
11226 do so after those that reject the insn.
11227 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11229 (find_dummy_reload): Likewise.
11230 * doc/tm.texi (Register Classes): Document what it means
11231 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11232 * config/i386/i386.c (ix86_preferred_reload_class): Force
11233 using SSE registers (and return NO_REGS for floating-point
11234 constants) if math is done with SSE.
11235 (ix86_preferred_output_reload_class): New.
11236 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11237 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11238 * config/i386/i386.md: Remove # register preferences.
11240 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11243 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11244 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11245 the type of nb_iter.
11246 (instantiate_parameters_1): Convert the operands before calling
11247 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11248 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11250 2006-04-02 Roger Sayle <roger@eyesopen.com>
11252 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11253 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11254 instead of convert.
11255 * dojump.c (do_jump): Likewise.
11256 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11257 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11258 gimplify_boolean_expr): Likewise.
11259 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11260 * varasm.c (array_size_for_constructor): Likewise.
11261 * tree-object-size.c (compute_object_offset): Likewise.
11263 2006-04-02 Roger Sayle <roger@eyesopen.com>
11265 PR middle-end/26977
11266 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11267 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11269 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11271 PR tree-optimization/26939
11272 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11274 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11276 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11277 at_stmt. Convert the type of operands before calling
11278 build_polynomial_chrec.
11279 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11280 add_to_evolution_1.
11281 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11282 (instantiate_parameters_1): Convert the type of operands before calling
11283 build_polynomial_chrec.
11284 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11285 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11286 reset_evolution_in_loop): Insert asserts to check the types of the
11288 (chrec_type): Moved...
11289 (eq_evolutions_p): Use operand_equal_p.
11290 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11291 the types of the operands.
11292 (chrec_type): ...here.
11293 * tree-data-ref.c (create_data_ref): Convert the operands before
11294 calling chrec_replace_initial_condition.
11295 (same_access_functions, analyze_subscript_affine_affine,
11296 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11297 (compute_subscript_distance, analyze_ziv_subscript,
11298 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11299 analyze_miv_subscript): Convert the operands before calling
11300 chrec_fold_minus or chrec_fold_plus.
11302 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11304 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11305 the dependence_relations vector.
11306 (compute_data_dependences_for_loop): Adjust call to
11307 compute_all_dependences.
11309 2006-04-01 Roger Sayle <roger@eyesopen.com>
11310 Richard Henderson <rth@redhat.com>
11312 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11313 gimple_boolify on the condition before calling gimplify_expr.
11315 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11317 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11318 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11319 the frame size. Update to use the new macros.
11320 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11321 * config/xtensa/ieee754-df.S: Likewise.
11323 2006-03-31 Richard Henderson <rth@redhat.com>
11325 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11326 (make_edges): ... here. Control fallthru creation with a local
11327 variable. Do not play with fake edges.
11328 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11329 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11332 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11334 * dwarf2.h (DW64_CIE_ID): Define.
11335 * dwarf2out.c (DWARF_CIE_ID): Define.
11336 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11337 length header. Use DWARF_CIE_ID.
11338 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11339 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11341 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11343 * config/sh/linux-atomic.asm: New file.
11344 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11346 2006-03-31 DJ Delorie <dj@redhat.com>
11348 * config/m32c/cond.md: Set condition flags properly throughout.
11349 * config/m32c/minmax.md: Likewise.
11350 * config/m32c/prologue.md: Likewise.
11351 * config/m32c/bitops.md: Likewise.
11352 * config/m32c/muldiv.md: Likewise.
11353 * config/m32c/mov.md: Likewise.
11354 * config/m32c/addsub.md: Likewise.
11355 * config/m32c/m32c.md: Likewise.
11356 * config/m32c/jump.md: Likewise.
11357 * config/m32c/shift.md: Likewise.
11359 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11360 conditionally output the pattern for this.
11361 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11362 (m32c_compare_redundant): New.
11363 (m32c_output_compare): New.
11364 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11366 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11367 dest, not src. Allow other 4-byte modes.
11369 2006-03-30 Denis Chertykov <denisc@overta.ru>
11371 * doc/md.texi: Refer to avr/constraints.md instead of
11374 2006-03-30 Roger Sayle <roger@eyesopen.com>
11376 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11377 signed vs. unsigned comparison failures on some hosts.
11379 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11382 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11383 change to FLOAT_REGS.
11385 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11386 (rs6000_override_options): Use it.
11387 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11388 only for -mabi=spe/no-spe and -mabi=altivec.
11390 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11392 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11395 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11397 * Makefile.in: Rename docdir to gcc_docdir.
11399 2006-03-30 Roger Sayle <roger@eyesopen.com>
11402 * expr.c (emit_group_store): Optimize group stores into a pseudo
11403 register by using a paradoxical subreg to initialize the destination
11404 if the first or last member of the group specifies a "low part".
11406 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11409 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11410 * target.h (struct gcc_target.speculate_insn): Change type of the
11411 second parameter to 'int'.
11412 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11413 the second operand of the DEPS_LIST.
11414 (copy_DEPS_LIST_list): Update reference to the second operand of the
11416 * rtl.h (alloc_DEPS_LIST): Update signature.
11417 * sched-int.h (ds_t): Change typedef to 'int'.
11418 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11420 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11422 * haifa-sched.c (try_ready): Change condition to restore
11423 non-speculative pattern of the instruction.
11424 (process_insn_depend_be_in_spec): Code to keep probability of the
11425 speculative dependence non-decreasing.
11427 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11429 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11430 (single_move_for_movmem): ... this. Also change all uses.
11431 (bfin_expand_strmov): Renamed to...
11432 (bfin_expand_movmem): ... this. Also change all uses.
11433 * config/bfin/bfin.md (movstrsi): Renamed to...
11434 (movstrsi): ...this.
11436 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11438 PR tree-optimization/26830
11440 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11441 (copy_prop_visit_stmt): Remove write-only variable ann.
11442 (init_copy_prop): Check variable loop depth here. Do not simulate
11443 memory-tag and virtual operand PHIs except for store copy prop.
11445 2006-03-30 Richard Guenther <rguenther@suse.de>
11447 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11448 variants with double arguments.
11450 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11452 * genpreds.c (write_tm_constrs_h): Delete variable p.
11453 * genconditions.c (write_header): Add tm-constrs.h to included
11455 * genpeep.c (main): Add toplev.h to included headers.
11456 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11457 (build/genpeep.o): Add toplev.h dependency.
11458 * config/rs6000/constraints.md: Add "W" constraint.
11460 2006-03-29 Roger Sayle <roger@eyesopen.com>
11462 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11463 sizes by correctly testing whether the size fits a host integer.
11464 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11465 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11466 SImode range for the default sizetype and bitsizetype.
11468 2006-03-29 Roger Sayle <roger@eyesopen.com>
11470 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11471 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11472 quickly if the argument is already of the correct type.
11473 Call fold_build1 instead of build1. Tidy up blank lines.
11475 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11477 * genemit.c (main): Add tm-constrs.h to included headers.
11478 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11479 * genpeep.c (main): Add tm-constrs.h to included headers.
11480 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11481 (write_tm_constrs_h): this and write complete file.
11482 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11483 (write_insn_preds_c): Add tm-constrs.h to included headers.
11484 (gen_constrs): New variable.
11485 (parse_option): Parse "-c".
11486 (main): Invoke write_tm_constrs_h.
11487 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11488 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11489 (object_out_file): Add tm-constrs.h dependency.
11490 (insn-emit.o): Same.
11491 (insn-output.o): Same.
11492 (insn-peep.o): Same.
11493 (insn-preds.o): Same.
11494 (insn-recog.o): Same.
11495 (tm-constsr.h): New target.
11496 (s-constrs-h): New target.
11498 * config/rs6000/constraints.md: New file.
11499 * config/rs6000/rs6000.c: Include tm-constrs.h.
11500 (num_insn_constant_wide): Convert to satisfies_constraint.
11501 (rs6000_rtx_costs): Convert to satisfies_constraint.
11502 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11503 (CONST_OK_FOR_LETTER_P): Delete.
11504 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11505 (EXTRA_CONSTRAINT): Delete.
11506 (EXTRA_MEMORY_CONSTRAINT): Delete.
11507 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11508 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11509 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11510 satisfies_constraint.
11512 * config/i386/i386.c: Include tm-constrs.h.
11514 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11516 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11517 * tree-data-ref.c (find_data_references_in_loop,
11518 compute_data_dependences_for_loop): Use pointers to VEC.
11519 (analyze_all_data_dependences): Adjust calls.
11520 * tree-data-ref.h (find_data_references_in_loop,
11521 compute_data_dependences_for_loop): Adjust declarations.
11522 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11523 compute_data_dependences_for_loop.
11525 2006-03-29 Paul Brook <paul@codesourcery.com>
11527 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11528 (movdf_vfp): Ditto.
11530 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11532 PR tree-optimization/26859
11533 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11535 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11536 for the step after fold_convert.
11538 2006-03-29 Paul Brook <paul@codesourcery.com>
11540 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11541 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11543 2006-03-29 Paul Brook <paul@codesourcery.com>
11545 PR middle-end/23623
11546 * targhooks.c (default_narrow_bitfield): New fuction.
11547 * targhooks.h (default_narrow_bitfield): add prototype.
11548 * target.h (gcc_target): Add narrow_volatile_bitfield.
11549 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11550 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11551 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11552 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11554 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11556 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11558 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11559 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11560 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11561 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11562 (s390_function_arg_float): Allow SDmode and DDmode values to be
11563 passed in floating point registers.
11564 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11565 check with SCALAR_FLOAT_MODE_P.
11566 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11568 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11570 PR tree-optimization/25985
11571 * tree-ssa-loop-niter.c (number_of_iterations_le,
11572 number_of_iterations_ne): Make comments more precise.
11573 (number_of_iterations_cond): Add only_exit argument. Use the
11574 fact that signed variables do not overflow only when only_exit
11576 (loop_only_exit_p): New.
11577 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11578 number_of_iterations_cond.
11580 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11582 PR tree-optimization/26643
11583 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11586 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11588 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11589 (divsi3_i4_int): Likewise.
11591 2006-03-28 Roger Sayle <roger@eyesopen.com>
11593 * expr.c (emit_group_store): Only create a new pseudo reg if the
11594 quantity it needs to hold isn't already a suitable pseudo.
11596 2006-03-28 Jeff Law <law@redhat.com>
11598 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11599 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11601 2006-03-28 Roger Sayle <roger@eyesopen.com>
11603 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11604 the equivalent ~X & Y, and the symmetry related transformations.
11605 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11606 ~X & Y, and symmetry related transforms.
11608 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11610 Revert my 2006-03-27 patches.
11612 2006-03-28 Roger Sayle <roger@eyesopen.com>
11614 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11615 ~(T1)X, when T1 and T2 are integer types of the same precision
11616 and (T2)X isn't an extension.
11618 2006-03-28 Jeff Law <law@redhat.com>
11620 PR tree-optimization/26796
11621 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11622 need EH edge cleanups rather than purging them immediately.
11623 (eliminate_degenerate_phis): Handle queued EH cleanups.
11625 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11627 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11630 2006-03-27 Roger Sayle <roger@eyesopen.com>
11632 PR middle-end/22524
11633 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11634 cast BIT_NOT_EXPR operand to the correct type.
11636 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11638 * tree-loop-linear.c: Don't include varray.h.
11639 (gather_interchange_stats, try_interchange_loops,
11640 linear_transform_loops): Use VEC instead of VARRAY.
11641 * lambda-mat.c: Don't include varray.h.
11642 * tree-chrec.c: Same.
11643 * lambda-trans.c: Same.
11644 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11645 VEC instead of VARRAY.
11646 * tree-vectorizer.h: Idem.
11647 * tree-data-ref.c (dump_data_references,
11648 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11649 initialize_data_dependence_relation, finalize_ddr_dependent,
11650 compute_all_dependences, find_data_references_in_loop,
11651 compute_data_dependences_for_loop, analyze_all_data_dependences,
11652 free_dependence_relation, free_dependence_relations,
11653 free_data_refs): Idem.
11654 * tree-data-ref.h (data_reference_p, subscript_p): New.
11655 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11656 VEC instead of VARRAY.
11657 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11658 (find_data_references_in_loop, compute_data_dependences_for_loop,
11659 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11660 dump_data_dependence_relations, free_dependence_relations,
11661 free_data_refs): Adjust declaration.
11662 (lambda_transform_legal_p): Move declaration here...
11663 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11664 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11665 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11666 vect_analyze_data_refs): Use VEC instead of VARRAY.
11667 * lambda.h (lambda_transform_legal_p): ...from here.
11668 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11669 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11670 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11671 tree-chrec.o): Don't depend on VARRAY_H.
11673 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11675 * rtl.def (Copyright): Update date.
11676 (DEPS_LIST): Change type of the second operand to 'int'.
11677 * target.h (Copyright): Update date.
11678 (struct gcc_target.speculate_insn): Change type of the second parameter
11680 * lists.c (Copyright): Update date.
11681 (alloc_DEPS_LIST): Change signature. Update reference to the second
11682 operand of the DEPS_LIST.
11683 (copy_DEPS_LIST_list): Update reference to the second operand of the
11685 * rtl.h (Copyright): Update date.
11686 (alloc_DEPS_LIST): Update signature.
11687 * sched-int.h (Copyright): Update date.
11688 (ds_t): Change typedef to 'int'.
11689 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11691 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11693 * haifa-sched.c (Copyright): Update date.
11694 (try_ready): Change condition to restore non-speculative pattern
11695 of the instruction.
11696 (process_insn_depend_be_in_spec): Code to keep probability of the
11697 speculative dependence non-decreasing.
11699 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11701 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11702 shut up the compiler.
11704 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11706 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11707 to use lib prefix for target.
11708 ($(T)libic_invalidate_array_4-200.a): Likewise.
11709 ($(T)libic_invalidate_array_4a.a): Likewise.
11711 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11712 J"orn Rennecke <joern.rennecke@st.com>
11714 * superh.opt: New file.
11715 * sh.c (boardtype, osruntime): Remove.
11716 * superh.h (SUBTARGET_OPTIONS): Remove.
11717 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11719 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11720 arguments with ^ and/or [].
11722 * config.gcc (sh-*-*): Add quoting to account for quirk of
11724 Replace == with = in enable_incomplete_targets test.
11726 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11727 with MASK_LITTLE_ENDIAN.
11729 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11730 * config/sh/sh.opt: Added to some comments.
11731 * config/sh/superh.h: Removed some chaff.
11733 * config/sh/sh.opt: Add m4-[1234]00* options.
11734 * config/sh/sh.c (sh_handle_option): Likewise.
11735 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11736 (ic_invalidate_array_4-100.o): New rule.
11737 ($(T)libic_invalidate_array_4-100.a): Likewise.
11738 (ic_invalidate_array_4-200.o): Likewise.
11739 ($(T)libic_invalidate_array_4-200.a): Likewise.
11740 (ic_invalidate_array_4a.o): Likewise.
11741 ($(T)libic_invalidate_array_4a.a): Likewise.
11742 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11743 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11745 * config/sh/crt1.asm: Merged in profiling code.
11746 * config/sh/superh.h (STARTFILE_SPEC): Override.
11747 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11748 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11749 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11751 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11752 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11753 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11755 * sh.opt (mpretend-cmove): New option.
11756 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11757 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11758 (movsicc): Add TARGET_PRETEND_CMOVE code.
11760 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11762 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11763 s390_class_max_nregs): New function prototypes.
11764 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11765 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11766 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11767 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11769 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11771 * dwarf2out.c (add_location_or_const_value_attribute): Call
11772 tree_add_const_value_attribute if nothing else works.
11773 (reference_to_unused): New.
11774 (rtl_for_decl_init): Use reference_to_unused to decide whether
11775 to output an initializer.
11777 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11780 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11781 peephole removing spe frob_di_df_2.
11783 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11785 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11786 (subscript_dependence_tester_1): Declared.
11787 (print_dir_vectors, print_dist_vectors): New.
11788 (debug_data_dependence_relation): New.
11789 (dump_data_dependence_relation): Print more details.
11790 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11791 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11792 (save_dist_v, save_dir_v, add_outer_distances,
11793 build_classic_dist_vector_1): New.
11794 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11795 Don't test for lambda_vector_lexico_pos.
11796 (same_access_functions, add_multivariate_self_dist,
11797 add_other_self_distances, dir_from_dist): New.
11798 (build_classic_dir_vector): Replace implementation almost identical to
11799 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11801 (subscript_dependence_tester_1): New.
11802 (subscript_dependence_tester): Handle the lexicographically negative
11803 distance vectors by recomputing the dependence relation.
11804 (compute_affine_dependence): Remove parameter loop_nest_depth.
11805 (compute_self_dependence): Don't call compute_subscript_distance.
11806 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11807 Add a parameter for the loop_nest.
11808 (find_loop_nest_1, find_loop_nest): New.
11809 (compute_data_dependences_for_loop): Compute the loop nest, and give
11810 up if the nest is not well formed.
11811 * tree-data-ref.h (loop_p): New.
11812 (struct data_dependence_relation): Replace size_vect field with
11813 loop_nest, a vec of loops.
11814 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11815 (DDR_LOOP_NEST): New.
11816 (print_dir_vectors, print_dist_vectors,
11817 debug_data_dependence_relation): Declared.
11818 (index_in_loop_nest): New.
11819 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11820 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11823 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11825 * simplify-rtx.c (simplify_relational_operation): Call
11826 simplify_relational_operation_1 even if mode is VOIDmode.
11828 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11830 PR tree-optimization/26804
11831 * tree.h (DECL_CALL_CLOBBERED): New macro.
11832 (tree_decl_common): Add call_clobbered_flag.
11833 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11834 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11835 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11836 (mark_non_addressable): Ditto.
11837 * tree-ssa.c (verify_call_clobbered): New function.
11838 (verify_alias_info): Use it.
11839 * tree-pass.h (pass_reset_cc_flags): New prototype.
11840 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11841 (reset_cc_flags): New function.
11842 * passes.c (init_optimization_passes): Call reset_cc_flags after
11843 initializing referenced_vars.
11845 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11846 Roger Sayle <roger@eyesopen.com>
11848 PR middle-end/26717
11849 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11850 to 1.0 for non-real operands. Implement A / A optimization for
11853 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11855 * config/i386/i386.c (size_cost): Correct the comment for
11856 cost of storing fp registers.
11857 (i386_cost): Likewise.
11858 (i486_cost): Likewise.
11859 (pentium_cost): Likewise.
11860 (pentiumpro_cost): Likewise.
11861 (k6_cost): Likewise.
11862 (athlon_cost): Likewise.
11863 (k8_cost): Likewise.
11864 (pentium4_cost): Likewise.
11865 (nocona_cost): Likewise.
11866 (generic64_cost): Likewise.
11867 (generic32_cost): Likewise.
11869 2006-03-24 Denis Chertykov <denisc@overta.ru>
11871 * config/avr/avr-protos.h (extra_constraint): Delete.
11872 (extra_constraint_Q): New declaration.
11873 * config/avr/constraints.md: New file.
11874 * config/avr/avr.md: Include it.
11875 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11876 (TMP_REGNO, ZERO_REGNO): Likewise.
11877 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11878 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11879 (extra_constraint): Delete.
11880 (extra_constraint_Q): Test for memory constraint 'Q'.
11881 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11882 (REG_CLASS_FROM_LETTER): Delete.
11883 (CONST_OK_FOR_LETTER_P): Delete.
11884 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11885 (EXTRA_CONSTRAINT): Delete.
11886 (TMP_REGNO): Delete.
11887 (ZERO_REGNO): Delete.
11889 2006-03-24 Jeff Law <law@redhat.com>
11891 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11892 directly. Call mark_new_vars_to_rename slightly earlier.
11894 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11896 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11897 (is_cxx): Likewise.
11898 (gen_compile_unit_die): Use new language types for Objective-C and
11900 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11901 DW_LANG_C_plus_plus.
11904 * config/t-darwin (crt3.o): Work around bug 26840.
11905 * config/darwin-crt3.c: Rewrite.
11906 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
11908 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
11910 * doc/invoke.texi: Document -femit-class-debug-always
11911 * common.opt: Add -femit-class-debug-always.
11913 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
11915 * config/s390/s390.c (s390_decompose_address): Allow SImode for
11916 index and base register.
11917 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
11918 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
11919 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
11920 REGNO_OK_FOR_INDEX_P.
11921 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
11923 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
11924 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
11925 REG_OK_FOR_BASE_P): Definitions removed.
11927 2006-03-24 Jakub Jelinek <jakub@redhat.com>
11929 PR middle-end/26611
11930 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
11931 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
11932 set yet or weren't marked as local yet.
11934 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
11936 * regrename.c (scan_rtx_address): Initialize a variable to shut up
11939 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
11941 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
11942 (rs6000_legitimate_small_data_p): Delete.
11943 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
11944 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
11945 and make static. Add forward declaration. Update uses.
11946 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
11947 of offsettable_memref_p.
11948 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
11949 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
11951 2006-03-24 Jeff Law <law@redhat.com>
11953 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
11954 around bug in immediate-use iterator.
11956 2006-03-24 Alan Modra <amodra@bigpond.net.au>
11959 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
11960 or __LITTLE_ENDIAN__.
11962 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
11964 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
11965 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
11966 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
11967 * config/sh/sh.opt (mdiv=): Amend description.
11968 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
11969 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
11970 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
11971 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
11972 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
11973 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
11974 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
11975 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
11976 TARGET_DIVIDE_CALL_FP.
11978 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11980 * haifa-sched.c (choose_ready): Fix type of the local variable.
11981 Move local variables. Add comment.
11982 (check_reg_live): Change signature. Make callable from debugger.
11983 * sched-int.h (check_reg_live): Update signature.
11984 * sched-ebb.c (check_reg_live): Update parameters.
11985 * sched-rgn.c (check_reg_live): Ditto.
11986 (region_head_or_leaf_p): Check pointer before dereferencing.
11987 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
11988 before reload on optimization levels below 1.
11990 2006-03-23 Richard Henderson <rth@redhat.com>
11992 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
11996 * config/alpha/predicates.md (local_symbolic_operand): Reject
11999 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12002 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12003 expressions which have overflowed constants.
12005 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12007 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12009 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12011 * cfgloopmanip.c (create_loop_notes): Removed.
12012 * final.c (final_scan_insn): Do not handle loop notes.
12013 * jump.c (squeeze_notes): Ditto.
12014 * cfglayout.c (skip_insns_after_block,
12015 duplicate_insn_chain): Ditto.
12016 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12018 * cfgloop.h (create_loop_notes): Declaration removed.
12020 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12022 * varasm.c (output_constant_pool): Restore fnname and fndecl
12024 (assemble_start_function): Adjust call accordingly.
12025 (assemble_end_function): Likewise.
12027 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12030 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12033 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12035 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12038 * system.h (ICE_EXIT_CODE): New macro.
12039 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12040 (diagnostic_action_after_output): Likewise.
12041 * gcc.c (fatal_ice): New function.
12042 (execute): Use it instead of fatal.
12043 (fancy_abort): Likewise.
12044 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12046 2006-03-22 Jeff Law <law@redhat.com>
12048 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12049 iv_analyze_result returning false.
12051 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12053 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12055 2006-03-22 Richard Henderson <rth@redhat.com>
12057 PR middle-end/26084
12058 * except.c (duplicate_eh_regions_0): New.
12059 (duplicate_eh_region_1): Duplicate the children of the node as
12060 well as the node itself. Link them up properly.
12061 (duplicate_eh_region_2): Merge into ...
12062 (duplicate_eh_regions): ... here. Take copy_region argument, and
12063 copy only a sub-tree if asked. Simplify copying and fixup.
12064 (eh_region_outer_p): New.
12065 * except.h (duplicate_eh_regions): Update decl.
12066 (eh_region_outer_p): Declare.
12067 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12068 (lower_omp_master): Likewise.
12069 (lower_omp_ordered): Likewise.
12070 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12071 (move_stmt_r): Use it to remap labels. Handle recursion vs
12072 remap_decls_p properly.
12073 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12074 (find_outermost_region_in_block): New.
12075 (new_label_mapper): New.
12076 (move_sese_region_to_fn): Copy eh information to the new function
12078 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12080 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12083 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12085 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12086 into shared libraries.
12088 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12090 * doc/md.texi: Refer to i386/constraints.md instead of
12091 i386/predicates.md.
12092 * config/i386/constraints.md: New file, extracted from...
12093 * config/i386/predicates.md: ...here.
12094 * config/i386/i386.md: Include constraints.md.
12096 2006-03-21 Jason Merrill <jason@redhat.com>
12098 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12100 PR middle-end/20297
12101 * expr.c (init_block_move_fn): Force default visibility.
12102 (init_block_clear_fn): Likewise.
12103 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12104 * targhooks.c (default_external_stack_protect_fail): Likewise.
12106 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12108 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12109 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12110 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12111 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12112 (loadgp): Use mips_current_loadgp_style.
12113 (loadgp_noshared): New pattern.
12114 (sibcall_internal): Use MIPS_CALL.
12115 (sibcall_value_internal): Likewise.
12116 (sibcall_value_multiple_internal): Likewise.
12117 (call_internal): Likewise.
12118 (call_value_internal): Likewise.
12119 (call_value_multiple_internal): Likewise.
12120 (call_split): Use MIPS_CALL and add an 'S' constraint.
12121 (call_value_split): Likewise.
12122 (call_value_multiple_split): Likewise.
12123 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12124 (-mshared): New option.
12125 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12126 (mips_current_loadgp_style): Declare.
12127 * config/mips/mips.c (mips_classify_symbol): Avoid using
12128 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12129 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12130 TARGET_ABSOLUTE_ABICALLS.
12131 (override_options): Adjust comments. Improve the warning that is
12132 issued when -mabicalls and -G are used together.
12133 (mips_file_start): Remove comment.
12134 (mips_current_loadgp_style): New function.
12135 (mips_gnu_local_gp): New variable.
12136 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12138 (mips_output_function_prologue): Use mips_current_laodgp_style.
12139 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12140 the cprestore instruction.
12141 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12142 live for TARGET_ABSOLUTE_ABICALLS.
12143 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12144 (ASM_SPEC): Pass down -mshared and -mno-shared.
12145 (MIPS_CALL): New macro.
12146 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12148 * doc/invoke.texi (-mabicalls): Update documentation.
12149 (-mshared): Document.
12151 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12153 * config/ia64/unwind-hpux.c: New file.
12154 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12156 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12159 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12161 2006-03-21 Jeff Law <law@redhat.com>
12163 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12164 type conversions of a VR_VARYING source to a wider type.
12166 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12168 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12169 tm_file on Solaris 10 and later.
12170 (sparc64-*-solaris2*): Likewise.
12171 (sparc-*-solaris2*): Likewise.
12172 * config/sol26.h: Rename to config/sol2-6.h.
12173 * config/sol2-10.h: New file.
12175 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12178 * tree-ssa-pre.c (create_component_ref_by_pieces):
12181 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12184 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12185 return it immediately.
12187 2006-03-21 Michael Matz <matz@suse.de>
12189 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12191 (remove_arc, add_arc): Update num_out_arcs member.
12192 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12194 (cache_presence): New function.
12195 (compare_states_for_equiv): New function.
12196 (state_is_differed): Don't take number of outargs, adjust callers.
12197 Use new invariant for speeding up.
12198 (init_equiv_class): Create initial classes based on sorted
12200 (partition_equiv_class): Don't track out_arcs_num.
12201 (evaluate_equiv_classes): Call cache_presence on all states and
12204 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12206 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12207 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12208 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12209 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12211 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12212 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12213 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12214 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12215 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12217 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12218 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12219 (REGNO_REG_CLASS): ARGP is in PREGS.
12220 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12222 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12223 to deal with those addresses.
12224 * addresses.h: New file.
12225 * caller-save.c: Include "addresses.h".
12226 (init_caller_save): Use new base_reg_class function.
12227 * rtl-factoring.c: Include "addresses.h".
12228 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12229 * recog.c: Include "addresses.h".
12230 (preprocess_constraints): Use new base_reg_class function.
12231 * regrename.c: Include "addresses.h".
12232 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12233 functions. Keep track of a new var INDEX_CODE to compute valid
12235 (replace_oldest_value_addr): Likewise.
12236 (replace_oldest_value_mem): Use base_reg_class.
12237 * reload.c: Include "addresses.h".
12238 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12239 (find_reloads): Use new base_reg_class function.
12240 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12241 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12242 all callers and prototype changed.
12243 * reload1.c: Include "addresses.h".
12244 (maybe_fix_stack_asms): Use base_reg_class.
12245 * regclass.c: Include "addresses.h".
12246 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12247 (init_reg_autoinc): Use new base_reg_class function.
12248 (record_reg_classes): Likewise.
12249 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12250 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12251 Use new args to compute necessary class.
12253 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12254 regrename.o, rtl-factoring.o): Update dependencies.
12255 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12256 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12257 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12258 REG_OK_FOR_INDEX_P): Delete documentation.
12260 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12262 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12263 from V7 to V9 for Solaris 7 and above.
12265 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12267 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12268 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12269 argument pointers may not alias any other storage.
12270 * common.opt: Define option -fargument-noalias-anything.
12271 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12272 alias semantics is specified by flag_argument_noalias > 2.
12274 2006-03-20 Jeff Law <law@redhat.com>
12276 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12277 (pass_phi_only_cprop): Declare.
12278 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12279 with phi_only_cprop
12280 * tree-ssa-dom.c (degenerate_phi_result): New function.
12281 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12282 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12283 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12284 (eliminate_degenerate_phis): Likewise.
12285 (pass_phi_only_cprop): New pass descriptor.
12286 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12287 support code. Callers updated.
12288 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12289 (store_copy_prop): Likewise.
12290 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12292 2006-03-20 Jason Merrill <jason@redhat.com>
12295 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12296 (push_visibility, pop_visibility): Likewise.
12297 * c-pragma.h: Declare them.
12299 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12301 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12303 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12304 parameter and use get_ebb_head_tail.
12305 (sh_md_init_global): Adjust uses of find_regmode_weight.
12307 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12309 * function.h (struct function) <x_tail_recursion_reentry>:
12310 Rename to x_stack_check_probe_note.
12311 (tail_recursion_reentry): Rename to stack_check_probe_note.
12312 * function.c: Replace tail_recursion_reentry with
12313 stack_check_probe_note everywhere.
12314 (expand_function_start): Only emit a note for
12315 stack_check_probe_note with -fstack-protect.
12316 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12318 * emit-rtl.c (remove_unnecessary_notes): Remove.
12319 (pass_remove_unnecessary_notes): Remove.
12320 * rtl.h (remove_unnecessary_notes): Remove prototype.
12321 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12322 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12323 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12325 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12328 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12329 (valid_in_set): Handle ARRAY_REF.
12330 Change "if min_variant or VH" to asserts.
12331 (create_component_ref_by_pieces): Handle ARRAY_REF.
12332 (create_expression_by_pieces): Likewise.
12333 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12335 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12337 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12338 is operand of switch, not str[0].
12340 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12342 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12343 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12345 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12347 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12348 end of insn_extra_address_constraint declaration.
12350 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12352 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12353 (no-sum-in-toc): Same.
12354 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12356 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12357 NO_FP_IN_TOC for -fPIC instead of mask.
12359 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12360 (BOOT_LDFLAGS): Delete.
12362 * config/rs6000/t-aix52: Same.
12364 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12365 (stmsi[345678]_power): New.
12367 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12369 * config/ia64/ia64.opt: Add empty line to end of file.
12371 2006-03-17 Richard Guenther <rguenther@suse.de>
12373 PR middle-end/26721
12374 * builtins.c (get_pointer_alignment): For component style references
12375 adjust alignment to the component type alignment. Make sure
12376 to adjust alignment for component access of constants.
12378 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12380 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12381 unconditional jump.
12383 2006-03-17 Paul Brook <paul@codesourcery.com>
12385 * doc/install.texi: Docuemnt --with-mode.
12386 * config.gcc: Add --with-mode for arm*-*-*.
12387 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12389 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12391 * sh.c (max_labelno_before_reorg): New variable.
12392 (sh_reorg): Initialize it.
12393 (find_barrier): Check max_labelno_before_reorg before using
12394 label_to_alignment. Take length of explicit alignment insns
12395 into account. When seeing a UNSPECV_CONST_END, return it.
12397 * sh.c (fixup_mova): Set mode of affected label to QImode.
12398 (untangle_mova): New function.
12399 (find_barrier): Use it. Check mode of label before decrementing
12401 (sh_reorg): Likewise.
12402 Set mode of all insns back to VOIDmode.
12404 * sh.c (MOVA_LABELREF): New macro.
12405 (mova_p, fixup_mova, sh_reorg): Use it.
12406 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12407 ADDR_DIFF_VEC matches mova.
12409 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12411 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12412 with ATTRIBUTE_UNUSED.
12414 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12416 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12417 pointer, instead of assuming it is possible to derive the
12418 correct args size from a call insn.
12420 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12422 * rtl.h (CONST_INT_P): Define.
12423 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12424 instead of GET_CODE(x) == CONST_INT.
12425 (vax_rtx_costs): Likewise.
12426 (vax_output_int_move): Likewise.
12427 (vax_output_int_add): Likewise.
12428 (legitimate_constant_address_p): Likewise.
12429 (index_term_p): Likewise.
12430 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12431 * config/vax/vax.md (and<mode>3): Likewise.
12432 (ashrsi3): Likewise.
12434 (movstricthi): Likewise.
12435 (movstrictqi): Likewise.
12436 (rotrsi3): Likewise.
12437 (five unnamed insns): Likewise.
12439 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12441 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12442 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12443 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12444 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12445 Pass to ASM_OUTPUT_DWARF_OFFSET.
12446 * dwarf2out.c (debug_frame_section): New.
12447 (output_call_frame_info): Use debug_frame_section. Pass it to
12448 dw2_asm_output_offset.
12449 (output_die): Pass appropriate section to dw2_asm_output_offset.
12450 (output_compilation_unit_header): Likewise.
12451 (output_pubnames): Likewise.
12452 (output_aranges): Likewise.
12453 (enum dw_val_class): Break dw_val_class_lbl_offset into
12454 dw_val_class_lineptr and dw_val_class_macptr.
12455 (add_AT_lbl_offset): Delete.
12456 (add_AT_lineptr): New.
12457 (add_AT_macptr): New.
12458 (AT_lbl): Expect a lineptr or macptr.
12459 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12460 (attr_checksum): Likewise.
12461 (same_dw_val_p): Likewise.
12462 (size_of_die): Likewise.
12463 (value_format): Likewise.
12464 (output_die): Likewise.
12465 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12467 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12468 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12469 * config/darwin-protos.h (darwin_file_start): New.
12470 (darwin_asm_output_dwarf_offset): New.
12471 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12472 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12474 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12475 if not EH section; simplify.
12476 (darwin_file_start): New.
12477 (darwin_asm_output_dwarf_offset): New.
12478 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12480 (DEBUG_INFO_SECTION): Likewise.
12481 (DEBUG_ABBREV_SECTION): Likewise.
12482 (DEBUG_ARANGES_SECTION): Likewise.
12483 (DEBUG_MACINFO_SECTION): Likewise.
12484 (DEBUG_LINE_SECTION): Likewise.
12485 (DEBUG_LOC_SECTION): Likewise.
12486 (DEBUG_PUBNAMES_SECTION): Likewise.
12487 (DEBUG_STR_SECTION): Likewise.
12488 (DEBUG_RANGES_SECTION): Likewise.
12489 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12490 (ASM_OUTPUT_DWARF_OFFSET): New.
12492 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12494 * config.gcc (tm_defines): Always add to previous value rather
12497 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12499 * config/mips/predicates.md (splittable_const_int_operand): New,
12500 split from move_operand.
12501 (splittable_symbolic_operand): New.
12502 (move_operand): Add commentary. Use splittable_const_int_operand.
12503 Inline mips_atomic_symbolic_constant_p.
12504 * config/mips/mips.md: Add combine splitters for handling moves
12505 of splittable_const_int_operands and splittable_symbolic_operands.
12506 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12507 (mips_split_symbol): Declare.
12508 (mips_move_integer): Declare.
12509 * config/mips/mips.c (mips_split_p): Make global.
12510 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12511 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12512 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12513 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12514 (mips_offset_within_object_p): Handle block symbols.
12515 (mips_atomic_symbolic_constant_p): Delete.
12516 (mips_cannot_force_const_mem): Return false for constants that
12517 mips_legitimize_move can handle.
12518 (mips_use_blocks_for_constant_p): New function.
12519 (mips_split_symbol): Make global.
12520 (mips_move_integer): Likewise. Add a temporary register argument.
12521 (mips_legitimize_const_move): Use splittable_const_int_operand and
12522 splittable_symbolic_operand.
12523 (mips_use_anchors_for_symbol_p): New function.
12524 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12525 (mips_split_p): Declare.
12527 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12529 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12530 (mips*-*-linux*): Likewise.
12532 2006-03-16 Roger Sayle <roger@eyesopen.com>
12533 Daniel Speyer <dspeyer@wam.umd.edu>
12535 PR middle-end/18259
12536 * tree-dump.c (dump_real): New function.
12537 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12538 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12539 (tree-dump.o): Add $(REAL_H) to the dependencies.
12541 2006-03-16 Roger Sayle <roger@eyesopen.com>
12543 PR middle-end/21781
12544 * real.c (real_from_string): If the mantissa is zero, don't bother
12545 parsing the exponent as the result should always be zero.
12547 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12549 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12551 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12553 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12554 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12555 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12556 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12557 ia64_sched_finish_global): New static functions to implement
12558 hooks from gcc_target.sched.
12559 (spec_check_no, max_uid, pending_data_specs): New static variables.
12560 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12561 ia64_spec_check_src_p): New static functions.
12562 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12563 (TARGET_SCHED_ADJUST_COST): Removed.
12564 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12565 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12566 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12567 TARGET_SCHED_GEN_CHECK,
12568 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12569 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12570 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12571 Fixed to handle speculation checks.
12572 (rtx_needs_barrier): Fixed to handle speculative loads and
12574 (ia64_variable_issue): Added code to count speculative loads and their
12576 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12578 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12580 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12582 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12583 (ia64_reorg): Reset stops_p to NULL after it is freed.
12584 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12585 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12586 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12588 (data_speculative, control_speculative, check_load): New attributes.
12589 (mov<mode>_advanced, mov<mode>_speculative,
12590 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12591 zero_extend<mode>di2_speculative,
12592 zero_extend<mode>di2_speculative_advanced): New patterns for
12593 data and control speculative loads.
12594 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12596 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12597 New pattern for data and control speculation checks.
12598 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12599 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12600 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12601 Auxiliary definitions for the patterns.
12602 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12603 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12605 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12607 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12608 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12609 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12610 New resource constraints.
12611 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12613 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12614 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12615 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12616 msched-in-control-spec, msched-ldc, msched-control-ldc,
12617 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12618 msched-prefer-non-control-spec-insns,
12619 msched-count-spec-in-critical-path): New flags to tune speculative
12621 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12622 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12623 msched-in-control-spec, msched-ldc, msched-control-ldc,
12624 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12625 msched-prefer-non-control-spec-insns,
12626 msched-count-spec-in-critical-path): Document new flags.
12628 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12630 * target.h (struct spec_info_def): New opaque declaration.
12631 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12632 speculate_insn, needs_block_p, gen_check,
12633 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12634 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12635 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12636 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12637 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12638 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12640 (TARGET_SCHED): Use new macros.
12641 * rtl.h (copy_DEPS_LIST_list): New prototype.
12642 * sched-int.h (struct sched_info): Change signature of new_ready field,
12643 adjust all initializations. New fields: add_remove_insn,
12644 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12645 region_head_or_leaf_p.
12646 (struct spec_info_def): New structure declaration.
12647 (spec_info_t): New typedef.
12648 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12649 recovery_block, orig_pat.
12650 (glat_start, glat_end): New variables declaraions.
12651 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12653 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12654 DETACH_LIFE_INFO, USE_GLAT.
12655 (enum SPEC_SCHED_FLAGS): New enumeration.
12656 (NOTE_NOTE_BB_P): New macro.
12657 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12658 attach_life_info, debug_spec_status, check_reg_live): New functions.
12659 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12660 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12662 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12663 * ddg.c (get_block_head_tail): Adjust all uses.
12664 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12665 (sms_sched_info): Initialize new fields.
12666 (contributes_to_priority): Removed.
12667 * haifa-sched.c (params.h): New include.
12668 (get_block_head_tail): Adjust all uses.
12669 (ISSUE_POINTS): New macro.
12670 (glat_start, glat_end): New global variables.
12671 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12672 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12673 old_last_basic_block, before_recovery, current_sched_info_var,
12674 rgn_n_insns, luid): New static variables.
12675 (insn_cost1): New function. Move logic from insn_cost to here.
12676 (find_insn_reg_weight1): New function. Move logic from
12677 find_insn_reg_weight to here.
12678 (reemit_notes, move_insn, max_issue): Change signature.
12679 (move_insn1): Removed.
12680 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12681 extend_bb): New static functions to support extension of scheduler's
12683 (generate_recovery_code, process_insn_depend_be_in_spec,
12684 begin_speculative_block, add_to_speculative_block,
12685 init_before_recovery, create_recovery_block, create_check_block_twin,
12686 fix_recovery_deps): New static functions to support
12687 generation of recovery code.
12688 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12689 restore_bb_notes, move_block_after_check, move_succs): New static
12690 functions to support ebb scheduling.
12691 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12692 functions to support handling of register live information.
12693 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12694 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12695 add_jump_dependencies): New static functions.
12696 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12697 consistancy checking.
12698 (debug_spec_status): New function to call from debugger.
12699 (priority): Added code to handle speculation checks.
12700 (rank_for_schedule): Added code to distinguish speculative instructions.
12701 (schedule_insn): Added code to handle speculation checks.
12702 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12703 Fixed to handle ebbs.
12704 (move_insn): Added code to handle ebb scheduling.
12705 (max_issue): Added code to use ISSUE_POINTS of instructions.
12706 (choose_ready): Added code to choose between speculative and
12707 non-speculative instructions.
12708 (schedule_block): Added code to handle ebb scheduling and scheduling of
12709 speculative instructions.
12710 (sched_init): Initialize new variables.
12711 (sched_finish): Free new variables. Print statistics.
12712 (try_ready): Added code to handle speculative instructions.
12713 * lists.c (copy_DEPS_LIST_list): New function.
12714 * sched-deps.c (extend_dependency_caches): New function. Move logic
12715 from create_dependency_caches to here.
12716 (get_dep_weak, ds_merge): Make global.
12717 * genattr.c (main): Code to output prototype for
12718 dfa_clear_single_insn_cache.
12719 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12720 (output_dfa_clean_insn_cache_func): Code to output
12721 dfa_clear_single_insn_cache function.
12722 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12724 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12726 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12727 New static variables.
12728 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12729 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12731 (ebb_sched_info): Initialize new fields.
12732 (get_block_head_tail): Adjust all uses.
12733 (compute_jump_reg_dependencies): Fixed to use glat_start.
12734 (schedule_ebb): Code to remove unreachable last block.
12735 (schedule_ebbs): Added code to update register live information.
12736 * sched-rgn.c (region_sched_info): Initialize new fields.
12737 (get_block_head_tail): Adjust all uses.
12738 (last_was_jump): Removed. Adjust users.
12739 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12740 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12741 Implement new hooks.
12742 (check_dead_notes1): New static function.
12743 (struct region): New fields: dont_calc_deps, has_real_ebb.
12744 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12745 (BB_TO_BLOCK): Fixed to handle EBBs.
12746 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12747 (ebb_head): New static variable.
12748 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12749 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12751 (compute_dom_prob_ps): New assertion.
12752 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12753 global_live_at_start.
12754 (init_ready_list): New assertions.
12755 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12756 (new_ready): Add support for BEGIN_CONTROL speculation.
12757 (schedule_insns): Fixed code that updates register live information
12759 (schedule_region): Fixed to handle EBBs.
12760 (init_regions): Use extend_regions and check_dead_notes1.
12761 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12762 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12763 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12764 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12765 TARGET_SCHED_GEN_CHECK,
12766 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12767 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12768 * doc/invoke.texi (max-sched-insn-conflict-delay,
12769 sched-spec-prob-cutoff): Document.
12771 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12773 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12774 inter_tick, queue_index.
12775 (struct sched_info): Change signature of init_ready_list field.
12776 Adjust all initializations.
12777 (RESOLVED_DEPS): New access macro.
12778 (ready_add): Remove prototype.
12779 (try_ready): Add prototype.
12780 * sched-rgn.c (init_ready_list): Use try_ready.
12781 (schedule_region): Initialize
12782 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12783 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12784 (init_ready_list): Use try_ready.
12785 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12786 * lists.c (remove_list_elem): Remove `static'.
12787 (remove_free_INSN_LIST_elem): New function.
12788 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12789 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12790 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12792 (readyp): New variable.
12793 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12794 change_queue_index, resolve_dep): New static functions.
12795 (try_ready): New function. Adjust callers in sched-rgn.c and
12796 sched-ebb.c to use it instead of ready_add.
12797 (clock_var): Move at the begining of file.
12798 (rank_for_schedule): Fix typo.
12799 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12800 (ready_lastpos): Enforce assertion.
12801 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12802 update all callers.
12803 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12804 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12805 (queue_to_ready): Use free_INSN_LIST_list.
12806 (early_queue_to_ready): Fix typo.
12807 (schedule_block): Init readyp. Move init_ready_list call after the
12808 initialization of clock_var. Fix error in rejecting insn by
12809 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12810 that previously corrected INSN_TICKs. Add code for handling
12812 (set_priorities): Fix typo.
12813 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12814 Clarify comment and code that keeps current_sched_info->next_tail
12817 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12819 * sched-rgn.c (extend_rgns): New static function.
12820 (find_rgns): Use it.
12821 (gather_region_statistics, print_region_statistics): New static
12823 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12824 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12826 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12827 Andrey Belevantsev <abel@ispras.ru>
12829 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12830 * lists.c (unused_deps_list): New variable.
12831 (free_list): Add assertions to verify the proper distinguishing
12832 between INSN_LISTs and DEPS_LISTs.
12833 (find_list_elem, remove_list_elem, remove_list_node): New static
12835 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12836 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12837 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12838 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12840 (free_INSN_LIST_node): Likewise.
12841 * modulo-sched.c (current_sched_info): Initialize flags field.
12842 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12843 * rtl.def (DEPS_LIST): Define.
12844 * rtl.h: Declare new functions from lists.c.
12845 * sched-deps.c (spec_dependency_cache): New static variable.
12846 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12847 (add_dependence): Change return type to void. Move the logic to ...
12848 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12849 (delete_all_dependences): Add comment about forward_dependency_cache.
12850 Handle spec_dependency_cache. Handle DEPS_LISTs.
12851 (fixup_sched_groups): Clarify the change of priority of output
12852 and anti dependencies.
12853 (sched_analyze_2): Adjust add_dependence calls to create data
12854 speculative dependence.
12855 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12856 Adjust all callers. Handle DEPS_LISTS.
12857 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12858 presence of speculation.
12859 (init_dependency_caches, free_dependency_caches):
12860 Handle spec_dependency_cache.
12861 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12862 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12863 New static functions.
12864 (add_or_update_back_dep, add_or_update_back_forw_dep,
12865 add_back_forw_dep, delete_back_forw_dep): New functions.
12866 * sched-int.h (ds_t, dw_t): New typedefs.
12867 (struct sched_info): Add new field flags.
12868 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12869 Prototype new sched-deps.c functions.
12870 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12871 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12872 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12873 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12874 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12875 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12877 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12879 * sched-rgn.c (current_sched_info): Initialize flags field.
12880 (schedule_insns): Initialize current_sched_info before the sched_init
12882 * sched-ebb.c (current_sched_info): Initialize flags field.
12883 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12884 Call add_or_update_back_dep instead of add_dependence.
12885 Create control speculative dependencies.
12886 (schedule_insns): Initialize current_sched_info before the sched_init
12889 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12891 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12893 (sh_fallback_frame_state): Likewise.
12895 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12897 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12898 Do switch on default_use_cxa_atexit.
12899 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12900 * config/darwin-crt3.o: New.
12901 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12902 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12903 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12905 * config/rs6000/t-darwin: Move crt2.o building to here.
12906 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
12907 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
12910 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12912 * config/vax/vax.c (nonindexed_address_p): Change logical negation
12913 from '! xxx' to '!xxx' for coding-style conformance.
12914 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
12915 (EXTRA_CONSTRAINT): Likewise.
12916 * config/vax/vax.md (four unnamed insns): Likewise.
12918 2006-03-15 Paul Brook <paul@codesourcery.com>
12920 * config/arm/arm.c (minipool_pad): New.
12921 (add_minipool_forward_ref): Include pool alignment padding in address
12923 (push_minipool_fix): Set minipool_pad.
12924 (minipool_pad): Ditto.
12926 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12928 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
12929 instead of GET_CODE() == MEM and REG_P() instead of
12931 (print_operand_address): Likewise.
12932 (vax_address_cost): Likewise.
12933 (vax_rtx_costs): Likewise.
12934 (vax_notice_update_cc): Likewise.
12935 (vax_output_int_add): Likewise.
12936 (INDEX_REGISTER_P): Likewise.
12937 (BASE_REGISTER_P): Likewise.
12938 (nonindexed_address_p): Likewise.
12939 (vax_mode_dependent_address_p): Likewise.
12940 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
12941 (PRINT_OPERAND): Likewise.
12942 * config/vax/vax.md (ashlsi3): Likewise.
12943 (ashlsi3): Likewise.
12944 (some more unnamed insns): Likewise.
12946 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
12948 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
12949 iterator-style macro.
12950 (mark_control_dependent_edges_necessary): Update the use of
12951 EXECUTE_IF_CONTROL_DEPENDENT.
12953 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
12955 * config/sh/predicates.md (cache_address_operand): Special.
12956 (ua_address_operand): Likewise.
12958 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
12960 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
12962 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
12964 2006-03-15 Andreas Schwab <schwab@suse.de>
12966 * gensupport.c (identify_predicable_attribute): Don't free p_false
12967 when it is still in use.
12969 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
12971 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
12972 the default setting here.
12974 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
12976 * tree-pass.h (pass_cfg): Remove.
12977 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
12978 * passes.c (pass_cfg): Don't run it.
12980 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
12982 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
12983 * reg-stack.c (stack_regs_mentioned_data): Change the type to
12985 (stack_regs_mentioned): Update the uses of
12986 stack_regs_mentioned_data. Don't access the array beyond its
12988 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
12989 Don't include gt-reg-stack.h.
12991 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
12992 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
12994 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
12996 PR middle-end/26684
12997 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13000 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13002 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13004 2006-03-14 Richard Guenther <rguenther@suse.de>
13006 PR tree-optimization/26672
13007 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13010 2006-03-14 Richard Guenther <rguenther@suse.de>
13012 PR tree-optimization/26667
13013 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13014 node for the callees. Always allow inlining if it will shrink
13017 2006-03-14 Richard Guenther <rguenther@suse.de>
13019 PR middle-end/26659
13020 * builtins.c (get_pointer_alignment): Prefer alignment
13021 information from decls over that from types.
13023 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13026 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13028 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13030 * config/rs6000/rs6000.opt (mdlmzb): New option.
13031 (msched-prolog, msched-epilog): Use Var not Mask.
13032 * doc/invoke.texi (-mdlmzb): Document.
13033 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13035 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13036 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13038 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13040 PR rtl-optimization/25739
13041 * bt-load.c (augment_live_range): Free tos pointer.
13043 * gensupport.c (identify_predicable_attribute): Free
13045 * gcov.c (create_file_names): Free name pointer.
13047 2006-03-13 Roger Sayle <roger@eyesopen.com>
13049 PR middle-end/26557
13050 * stmt.c (emit_case_nodes): Handle the case where the index is a
13051 CONST_INT, where the comparison mode is specified by the index type.
13053 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13055 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13058 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13060 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13061 (*branch_fp_inverted): Likewise.
13063 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13065 PR middle-end/25989
13066 * omp-low.c (expand_omp_for_generic): Mark istart0
13067 and iend0 as addressable.
13069 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13071 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13073 2006-03-13 Jeff Law <law@redhat.com>
13075 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13076 virtual operands are interesting.
13077 (vrp_visit_stmt): Corresponding changes.
13079 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13081 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13083 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13084 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13085 * config/bfin/crti.S: Use it instead of __PIC__.
13086 * config/bfin/crtn.S: Likewise.
13088 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13089 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13091 Lose 'G' modifier for call operand.
13092 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13093 recognize 'G' modifier.
13095 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13097 PR middle-end/18859
13098 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13099 * stmt.c (expand_case): Likewise.
13101 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13103 PR rtl-optimization/26254
13104 * loop-invariant.c (seq_insns_valid_p): New function.
13105 (move_invariant_reg): Only emit new code if it is valid.
13107 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13109 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13111 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13112 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13113 (commit_one_edge_insertion): Do not look for loop notes.
13115 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13117 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13118 flag_test_coverage out of loop.
13120 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13122 * final.c (shorten_branches): Remove outdated comment, and turn
13123 the if branch that guards it to continue.
13125 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13127 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13128 * cfgloop.h (struct loop): Remove unused fields.
13130 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13132 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13133 (-dL, -fdump-rtl-loop2): Update the dump file names
13135 * doc/invoke.texi: Update dump file names.
13137 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13139 * predict.c (estimate_probability): Remove.
13140 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13141 * basic-block.h (estimate_probability): Remove prototype.
13142 * passes.c (finish_optimization_passes): Dump branch prediction or
13143 profiling heuristics to the .profile tree dump.
13144 (init_optimization_passes): Unqueue pass_branch_prob.
13146 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13148 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13150 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13151 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13153 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13155 * function.h (frame_offset_overflow): Declare.
13156 * function.c (frame_offset_overflow): New function.
13157 (assign_stack_local_1): Call it to detect that the offset overflows.
13158 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13160 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13162 * config/sh/sh.c: Include alloc-pool.h.
13163 (label_ref_list_pool): New alloc pool.
13164 (label_ref_list_t): New type for lists of labels.
13165 (struct pool_node): Make wend a label_ref_list_t.
13166 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13168 (dump_table): Likewise.
13169 (sh_reorg): Set up the alloc pool before using add_constant and
13170 dump_table, and destroy it when finishing.
13172 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13174 * config/mips/mips.c: Remove redundant comment.
13176 2006-03-10 Jason Merrill <jason@redhat.com>
13179 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13180 the target was declared 'register'.
13182 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13184 * genpreds.c (write_insn_constraint_len): Change definition of
13185 insn_constraint_len to return size_t to match the declaration.
13187 2006-03-10 DJ Delorie <dj@redhat.com>
13189 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13191 (m32c_expand_insv): Fix test for an AND mask.
13193 2006-03-10 Richard Guenther <rguenther@suse.de>
13195 PR middle-end/26565
13196 * builtins.c (get_pointer_alignment): Handle component
13197 references for field alignment.
13199 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13201 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13202 when building with libgloss.
13203 (sh*elf): Implement --without-fp option.
13204 (sh64-superh-linux*): Don't multilib.
13206 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13208 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13210 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13212 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13213 Set it when one of the replacement functions returned true.
13214 Return TODO_cleanup_cfg if cfgchanged is true.
13215 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13217 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13219 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13220 instead of gen_lowpart.
13222 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13224 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13226 (mips_output_order_conditional_branch): Declare.
13227 * config/mips/mips.h (MIPS_BRANCH): New macro.
13228 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13229 for the comparison. Use gen_condjump.
13230 (mips_output_conditional_branch): Rework interface to take the
13231 asm templates for a direct branch and the inverse of a direct branch.
13232 (mips_output_order_conditional_branch): New function.
13233 (mips_builtin_branch_and_move): New function.
13234 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13235 branch condition. Use gen_single_cc as the condition for
13236 __builtin_mips_upper_* or __builtin_mips_lower_*.
13237 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13238 Use VOIDmode for the branch condition.
13239 * config/mips/predicates.md (order_operator): New predicate.
13240 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13241 (branch_fp): Rename to...
13242 (*branch_fp): ...this. Remove mode from comparison operator.
13243 Use new mips_output_conditional_branch interface.
13244 (branch_fp_inverted): Rename to...
13245 (*branch_fp_inverted): ...this and update as for *branch_fp.
13246 (*branch_zero<mode>): Rename to...
13247 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13248 Use mips_output_order_conditional_branch. Only accept ordered
13250 (*branch_zero<mode>_inverted): Rename to...
13251 (*branch_order<mode>_inverted): ...this and update as for
13252 *branch_order<mode>.
13253 (*branch_equality<mode>): Accept zero as the second operand to
13254 the equality operator. Use the new mips_output_conditional_branch
13256 (*branch_equality<mode>_inverted): Likewise.
13257 (condjump): New expander.
13258 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13260 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13261 (bc1any2t, bc1any2f): Likewise.
13262 (single_cc): New expander.
13263 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13265 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13267 * doc/md.texi: Update documentation of MIPS constraints.
13268 * config/mips/constraints.md: New file.
13269 * config/mips/mips.md: Include it.
13270 * config/mips/mips.c (mips_char_to_class): Delete.
13271 (override_options): Don't initialize mips_char_to_class.
13272 * config/mips/mips.h (mips_char_to_class): Delete.
13273 (REG_CLASS_FROM_LETTER): Delete.
13274 (CONST_OK_FOR_LETTER_P): Delete.
13275 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13276 (EXTRA_CONSTRAINT_Y): Delete.
13277 (EXTRA_CONSTRAINT_STR): Delete.
13278 (CONSTRAINT_LEN): Delete.
13279 (EXTRA_MEMORY_CONSTRAINT): Delete.
13281 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13283 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13284 original fn's eh regions.
13286 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13288 * fold-const.c (build_range_check): Make sure to use a valid type to
13289 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13292 (range_predecessor): New static function.
13293 (range_successor): Likewise.
13294 (merge_ranges): Use them to compute predecessors and successors of
13297 2006-03-09 Roger Sayle <roger@eyesopen.com>
13299 PR middle-end/26561
13300 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13301 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13303 2006-03-08 DJ Delorie <dj@redhat.com>
13305 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13306 (addpsi3): Expand to include memory operands. Remove
13307 reload-specific splits.
13308 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13309 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13310 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13311 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13312 (shift1_qi, shift1_hi, insv): New.
13313 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13314 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13315 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13317 * config/m32c/m32c-protos.h: Update as needed.
13318 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13319 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13320 Fail for unrecognized R* constraints.
13321 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13322 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13323 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13325 (m32c_init_libfuncs): New.
13326 (m32c_legitimate_address_p): Add debug wrapper.
13327 (m32c_rtx_costs): New.
13328 (m32c_address_cost): New.
13329 (conversions): Add 'B' prefix.
13330 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13331 operands, or word regnames for QI operands. 'B' prints bit
13333 (m32c_expand_setmemhi): New.
13334 (m32c_expand_movmemhi): New.
13335 (m32c_expand_movstr): New.
13336 (m32c_expand_cmpstr): New.
13337 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13338 (m32c_expand_neg_mulpsi3): Handle non-ints.
13339 (m32c_cmp_flg_0): New.
13340 (m32c_expand_movcc): New.
13341 (m32c_expand_insv): New.
13342 (m32c_scc_pattern): New.
13343 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13344 a0/a1 out of SIregs.
13345 (STORE_FLAG_VALUE): New.
13346 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13349 * config/m32c/mov.md: Make constraints more liberal.
13350 (zero_extendqihi2): Optimize r0/r1 case.
13351 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13352 * config/m32c/predicates.md (m32c_any_operand): New.
13353 (m32c_nonimmediate_operand): New.
13354 (m32c_hl_operand): New.
13355 (m32c_r3_operand): New.
13358 (memsym_operand): New.
13359 (memimmed_operand): New.
13360 (a_qi_operand): New.
13361 (m32c_eqne_operator): New.
13362 (m32c_1bit8_operand): New.
13363 (m32c_1bit16_operand): New.
13364 (m32c_1mask8_operand): New.
13365 (m32c_1mask16_operand): New.
13366 * config/m32c/blkmov.md: New file.
13367 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13369 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13371 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13372 unsigned to fix signed/unsigned comparison issue in
13373 DWARF2_FRAME_REG_OUT.
13374 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13375 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13377 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13378 of ptr into the ENABLE_CHECKING section.
13380 2006-03-08 Jeff Law <law@redhat.com>
13382 * tree-vrp.c (infer_value_range): Only count pointer uses
13383 and dereferences if -fdelete-null-pointer-checks is enabled.
13385 * tree-vrp.c (find_assert_locations): Infer value ranges for
13386 single use pointers, but do not create ASSERT_EXPRs for them.
13387 When a non-null range is inferred for a pointer, backwards
13388 propagate that range to other equivalent pointers through the
13391 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13394 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13395 language hook targets.
13396 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13397 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13398 if language hook targets were missing.
13400 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13402 * tree-ssa-opfinalize.h: Removed.
13403 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13405 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13406 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13407 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13408 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13409 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13410 finalize_ssa_v_must_def_ops): New.
13412 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13414 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13415 block as parameter.
13417 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13419 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13421 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13422 addresses with offsets; reorganize.
13424 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13425 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13426 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13428 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13431 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13433 2006-03-08 Ben Elliston <bje@au.ibm.com>
13435 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13437 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13440 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13443 2006-03-07 Richard Guenther <rguenther@suse.de>
13445 PR tree-optimization/26587
13446 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13448 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13450 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13452 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13454 * hooks.c (hook_bool_mode_rtx_true): New function.
13455 * hooks.h (hook_bool_mode_rtx_true): Declare.
13456 * toplev.c (compile_file): Call output_shared_constant_pool.
13457 * varasm.c (shared_constant_pool): New variable.
13458 (assemble_start_function, assemble_end_function): Remove arguments
13459 from call to output_constant_pool.
13460 (create_constant_pool): New function, split out from...
13461 (init_varasm_status): ...here.
13462 (force_const_mem): Choose between the shared and per-function constant
13463 pools. Set current_function_uses_const_pool when reusing old entries
13464 as well as when creating new ones.
13465 (mark_constant): Ignore data argument.
13466 (mark_constants): Remove pool argument.
13467 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13468 to decide whether the function uses a constant pool.
13469 (output_constant_pool_contents): New function, split out from...
13470 (output_constant_pool): ...here.
13471 (output_shared_constant_pool): New function.
13472 (init_varasm_once): Initialize shared_constant_pool.
13473 * output.h (output_constant_pool): Delete.
13474 (output_shared_constant_pool): Declare.
13475 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13476 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13478 2006-03-06 Nick Clifton <nickc@redhat.com>
13480 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13481 flag_strength_reduce.
13483 2006-03-06 Ben Elliston <bje@au.ibm.com>
13485 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13486 x86_64-*-linux* configurations.
13488 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13489 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13491 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13493 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13495 * basic-block.h: Remove the extern for
13496 rediscover_loops_after_threading.
13498 * cfgloop.c (cancel_loop): Make it static.
13499 * cfgloop.h: Remove the prototype for cancel_loop.
13501 * flow.c (recompute_reg_usage): Make it static.
13502 * rtl.h: Remove the prototype for recompute_reg_usage.
13504 * function.c (use_return_register): Make it static.
13505 * function.h: Remove the prototype.
13507 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13509 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13511 * recog.h: Remove the prototype for
13512 validate_change_maybe_volatile.
13514 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13516 * rtlanal.c (replace_reg): Remove.
13517 * rtl.h: Remove the prototype for replace_reg.
13519 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13521 * regclass.c (reg_scan_update): Remove.
13522 (reg_scan_mark_refs): Remove the last argument.
13523 * rtl.h: Remove the prototype for reg_scan_update.
13525 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13527 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13528 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13529 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13530 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13531 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13532 loop-invariant.c, omp-low.c, opts.c, passes.c,
13533 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13534 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13535 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13536 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13537 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13538 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13540 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13542 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13543 * dwarf2out.h: Remove the prototype for
13544 dwarf2out_add_library_unit_info.
13546 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13548 * tree.c (add_var_to_bind_expr): Remove.
13549 * tree.h: Remove the prototype for add_var_to_bind_expr.
13551 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13553 * regclass.c (n_non_fixed_regs): Remove.
13554 (init_reg_sets_1, globalize_reg): Remove all uses of
13556 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13558 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13560 * rtlanal.c (insns_safe_to_move_p): Remove.
13561 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13563 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13565 * expmed.c (expand_mult_add): Remove.
13566 * expr.h: Remove the prototype for expand_mult_add.
13568 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13570 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13571 and REG_SAVED_VAL_EXP constants.
13572 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13573 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13574 Handle regs stored by value.
13575 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13576 (execute_cfa_program): Handle DW_CFA_val_offset,
13577 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13578 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13579 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13580 (uw_install_context_1): Handle target regs stored by value.
13582 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13584 * tree-sra.c (tree_sra): Return todoflags;
13585 (generate_one_element): Set TODO_update_smt_usage if needed.
13586 (pass_sra): Remove TODO_update_smt_usage.
13587 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13589 (tree_ssa_forward_propagate_single_use_vars): Return
13590 TODO_update_smt_usage if we need to update SMT usage.
13591 (pass_forwprop): Remove TODO_update_smt_usage.
13593 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13595 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13596 (correct_use_link): Remove reference to get_stmt_operands.
13597 (update_stmt_operands): Likewise.
13598 (get_modify_expr_operands): New function factored out of
13599 parse_ssa_operands and get_expr_operands.
13600 Try to create V_MUST_DEFs for LHS by default.
13601 (get_expr_operands) <case MODIFY_EXPR>: Call
13602 get_modify_expr_operands.
13603 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13604 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13605 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13606 get_modify_expr_operands.
13608 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13610 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13611 * tree-flow.h: Remove the prototype for
13612 referenced_var_lookup_if_exists.
13614 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13616 PR rtl-optimization/26345
13618 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13620 2006-03-03 Roger Sayle <roger@eyesopen.com>
13622 PR tree-optimization/26524
13623 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13624 fold_convert to create a constant of the appropriate type.
13626 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13628 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13629 SYMBOL_REF_IN_BLOCK_P.
13630 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13631 of SYMBOL_FLAG_IN_BLOCK.
13632 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13633 instead of SYMBOL_REF_IN_BLOCK_P.
13634 * explow.c (use_anchored_address): Likewise.
13635 * rtl.c (rtx_size): Likewise.
13636 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13637 instead of SYMBOL_FLAG_IN_BLOCK.
13638 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13639 SYMBOL_REF_IN_BLOCK_P.
13640 (assemble_variable): Likewise.
13641 (output_constant_def_contents): Likewise.
13642 (output_constant_pool): Likewise.
13643 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13644 instead of SYMBOL_FLAG_IN_BLOCK.
13645 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13646 SYMBOL_REF_IN_BLOCK_P.
13647 (SYMBOL_REF_BLOCK): Likewise.
13648 (SYMBOL_REF_OFFSET): Likewise.
13649 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13650 SYMBOL_REF_IN_BLOCK_P.
13651 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13652 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13653 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13654 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13656 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13658 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13660 2006-03-02 Roger Sayle <roger@eyesopen.com>
13662 * simplify-rtx.c (simplify_unary_operation): When simplifying
13663 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13664 that we perform the right shift in the appropriate mode, and
13665 then extend or truncate the result to requested mode.
13667 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13669 * gengtype.c (main): Handle double_int type.
13670 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13671 * double-int.c: New file.
13672 * double-int.h: New file.
13673 * system.h: Include doubleint.h.
13674 * Makefile.in (SYSTEM_H): Include double-int.h.
13675 (double-int.o): Add.
13677 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13680 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13683 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13685 * tree-vrp.c (remove_range_assertions): Do not update statements
13688 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13690 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13692 * gcse.c (rest_of_handle_gcse): Ditto.
13693 * except.c (gate_handle_eh): Ditto.
13694 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13695 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13697 2006-03-02 Eric Christopher <echristo@apple.com>
13699 * config/i386/i386.c (machopic_output_stub): Add indirection to
13702 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13706 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13708 Sun Niagara specific optimizations.
13709 * config.gcc: Recognize niagara as target.
13710 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13711 (TARGET_CPU_niagara): Define.
13712 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13713 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13714 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13715 (ASM_CPU_SPEC): Likewise.
13716 (PROCESSOR_NIAGARA): New enum entry.
13717 (REGISTER_MOVE_COST): Handle Niagara.
13718 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13719 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13720 (sparc_override_options): Recognize "niagara", set appropriate
13721 default MASK_* values for it, and align functions to 32-bytes
13722 by default just like ULTRASPARC/ULTRASPARC3.
13723 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13724 (sparc64_initialize_trampoline): Likewise.
13725 (sparc_use_sched_lookahead): Use zero for niagara.
13726 (sparc_issue_rate): Use one for niagara.
13727 * config/sparc/niagara.md: New file.
13728 * config/sparc/sparc.md: Include it.
13729 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13730 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13731 when default cpu is niagara.
13732 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13733 (ASM_CPU_SPEC): Likewise.
13734 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13735 when default cpu is niagara.
13736 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13737 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13738 just like v9/ultrasparc/ultrasparc3.
13739 * doc/invoke.texi: Add documentation for "niagara" and improve
13740 existing documentation for ultrasparc variants.
13742 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13744 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13746 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13748 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13749 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13750 and say that only one is needed.
13751 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13752 * target.h (have_switchable_bss_sections): New hook.
13753 * explow.c (use_anchored_address): Check that the symbol is in a block.
13754 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13755 (bss_noswitch_section): New variables.
13756 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13757 (get_noswitch_section): New function.
13758 (get_block_for_section): Allow SECT to be null.
13759 (unlikely_text_section_p): Use SECTION_STYLE.
13760 (bss_initializer_p): New function.
13761 (get_variable_section): Move earlier in file. Take a new argument,
13762 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13763 Return one of the new *_sections in such cases.
13764 (get_block_for_decl): New function, extracting some logic from
13765 use_blocks_for_decl_p.
13766 (change_symbol_section): Remove in favor of...
13767 (change_symbol_block): ...this new function.
13768 (use_blocks_for_decl_p): Remove checks now performed by
13769 get_block_for_decl.
13770 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13771 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13772 (emit_local, emit_bss, emit_common): ...these new functions.
13773 Return true if the alignment was honored.
13774 (emit_tls_common): New function.
13775 (asm_emit_uninitialised): Delete.
13776 (assemble_variable_noswitch): New function, split out from...
13777 (assemble_variable): ...here. Don't make decisions about common
13778 variables here. Globalize all public decls that go into non-common
13779 sections. Check whether SYMBOL_REF_BLOCK is null.
13780 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13781 (output_constant_pool): Likewise.
13782 (init_varasm_once): Initialize the new section variables.
13783 (have_global_bss_p): New function.
13784 (categorize_decl_for_section): Use bss_initializer_p.
13785 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13786 (place_block_symbol): Assert that the symbol must be in a block.
13787 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13788 (TARGET_INITIALIZER): Include it.
13789 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13790 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13791 (SECTION_MACH_DEP): Bump by two.
13792 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13793 (unnamed_section): Mention SECTION_UNNAMED in comment.
13794 (named_section): Likewise SECTION_NAMED.
13795 (noswitch_section_callback): New type.
13796 (noswitch_section): New structure.
13797 (section): Add a noswitch_section alternative.
13798 (SECTION_STYLE): New macro.
13799 (tls_comm_section, comm_section, lcomm_section): Declare.
13800 (bss_noswitch_section, have_global_bss_p): Declare.
13801 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13802 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13804 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13805 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13808 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13810 * tree-vrp.c (execute_vrp): Return value.
13811 * regrename.c (rest_of_handle_regrename): Ditto.
13812 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13813 * tree-complex.c (tree_lower_complex): Ditto.
13814 (tree_lower_complex_O0): Ditto.
13815 * tracer.c (rest_of_handle_tracer): Ditto.
13816 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13817 * postreload.c (rest_of_handle_postreload): Ditto.
13818 * tree-tailcall.c (execute_tail_recursion): Ditto.
13819 (execute_tail_calls): Ditto.
13820 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13821 * tree.h (init_function_for_compilation): Ditto.
13822 * ipa-cp.c (ipcp_driver): Ditto.
13823 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13824 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13825 * final.c (compute_alignments): Ditto.
13826 (rest_of_handle_final): Ditto.
13827 (rest_of_handle_shorten_branches): Ditto.
13828 (rest_of_clean_state): Ditto.
13829 * omp-low.c (execute_expand_omp): Ditto.
13830 (execute_lower_omp): Ditto.
13831 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13832 * ipa-reference.c (static_execute): Ditto.
13833 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13834 * reorg.c (rest_of_handle_delay_slots): Ditto.
13835 (rest_of_handle_machine_reorg): Ditto.
13836 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13837 * flow.c (recompute_reg_usage): Ditto.
13838 (rest_of_handle_remove_death_notes): Ditto.
13839 (rest_of_handle_life): Ditto.
13840 (rest_of_handle_flow2): Ditto.
13841 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13842 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13843 (do_ssa_store_ccp): Ditto.
13844 (execute_fold_all_builtins): Ditto.
13845 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13846 * modulo-sched.c (rest_of_handle_sms): Ditto.
13847 * ipa-pure-const.c (static_execute): Ditto.
13848 * cse.c (rest_of_handle_cse): Ditto.
13849 (rest_of_handle_cse2): Ditto.
13850 * web.c (rest_of_handle_web): Ditto.
13851 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13852 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13853 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13854 * tree-nrv.c (tree_nrv): Ditto.
13855 (execute_return_slot_opt): Ditto.
13856 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13857 (create_structure_vars): Ditto.
13858 * loop-init.c (rtl_loop_init): Ditto.
13859 (rtl_loop_done): Ditto.
13860 (rtl_move_loop_invariants): Ditto.
13861 (rtl_unswitch): Ditto.
13862 (rtl_unroll_and_peel_loops): Ditto.
13863 (rtl_doloop): Ditto.
13864 * gimple-low.c (lower_function_body): Ditto.
13865 (mark_used_blocks): Ditto.
13866 * tree-ssa-sink.c (execute_sink_code): Ditto.
13867 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13868 (cgraph_early_inlining): Ditto.
13869 * global.c (rest_of_handle_global_alloc): Ditto.
13870 * jump.c (cleanup_barriers): Ditto.
13871 (purge_line_number_notes): Ditto.
13872 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13873 (rest_of_handle_if_after_reload): Ditto.
13874 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13875 (tree_ssa_loop_im): Ditto.
13876 (tree_ssa_loop_unswitch): Ditto.
13877 (tree_vectorize): Ditto.
13878 (tree_linear_transform): Ditto.
13879 (tree_ssa_loop_ivcanon): Ditto.
13880 (tree_ssa_empty_loop): Ditto.
13881 (tree_ssa_loop_bounds): Ditto.
13882 (tree_complete_unroll): Ditto.
13883 (tree_ssa_loop_prefetch): Ditto.
13884 (tree_ssa_loop_ivopts): Ditto.
13885 (tree_ssa_loop_done): Ditto.
13886 * predict.c (tree_estimate_probability): Ditto.
13887 * recog.c (split_all_insns_noflow): Ditto.
13888 (rest_of_handle_peephole2): Ditto.
13889 (rest_of_handle_split_all_insns): Ditto.
13890 * tree-eh.c (lower_eh_constructs): Ditto.
13891 * regmove.c (rest_of_handle_regmove): Ditto.
13892 (rest_of_handle_stack_adjustments): Ditto.
13893 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13894 * function.c (instantiate_virtual_regs): Ditto.
13895 (init_function_for_compilation): Ditto.
13896 (rest_of_handle_check_leaf_regs): Ditto.
13897 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13898 (rest_of_handle_gcse): Ditto.
13899 * ipa-type-escape.c (type_escape_execute): Ditto.
13900 * alias.c (rest_of_handle_cfg): Ditto.
13901 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13902 * profile.c (rest_of_handle_branch_prob): Ditto.
13903 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13904 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13905 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
13906 * tree-dfa.c (find_referenced_vars): Ditto.
13907 * except.c (set_nothrow_function_flags): Ditto.
13908 (convert_to_eh_region_ranges): Ditto.
13909 (rest_of_handle_eh): Ditto.
13910 * emit-rtl.c (unshare_all_rtl): Ditto.
13911 (remove_unnecessary_notes): Ditto.
13912 * except.h (set_nothrow_function_flags): Ditto.
13913 (convert_to_eh_region_ranges): Ditto.
13914 * cfgexpand.c (tree_expand_cfg): Ditto.
13915 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
13916 * tree-ssa-pre.c (do_pre): Ditto.
13917 (execute_fre): Ditto.
13918 * cfgcleanup.c (rest_of_handle_jump): Ditto.
13919 (rest_of_handle_jump2): Ditto.
13920 * tree-sra.c (tree_sra): Ditto.
13921 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
13922 (execute_mudflap_function_decls): Ditto.
13923 * tree-ssa-copy.c (do_copy_prop): Ditto.
13924 (do_store_copy_prop): Ditto.
13925 * ipa-prop.h (ipcp_driver): Ditto.
13926 * cfglayout.c (insn_locators_initialize): Ditto.
13927 * tree-ssa-forwprop.c
13928 (tree_ssa_forward_propagate_single_use_vars): Ditto.
13929 * cfglayout.h (insn_locators_initialize): Ditto.
13930 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
13931 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
13932 (execute_late_warn_uninitialized): Ditto.
13933 * rtl.h (cleanup_barriers): Ditto.
13934 (split_all_insns_noflow): Ditto.
13935 (purge_line_number_notes): Ditto.
13936 (unshare_all_rtl): Ditto.
13937 (remove_unnecessary_notes): Ditto.
13938 (recompute_reg_usage): Ditto.
13939 (variable_tracking_main): Ditto.
13940 * integrate.c (emit_initial_value_sets): Ditto.
13941 * integrate.h (emit_initial_value_sets): Ditto.
13942 * tree-optimize.c (execute_free_datastructures): Ditto
13943 (execute_free_cfg_annotations): Ditto.
13944 (execute_fixup_cfg): Ditto.
13945 (execute_cleanup_cfg_pre_ipa): Ditto.
13946 (execute_cleanup_cfg_post_optimizing): Ditto.
13947 (execute_init_datastructures): Ditto.
13948 * tree-object-size.c (compute_object_sizes): Ditto.
13949 * combine.c (rest_of_handle_combine): Ditto.
13950 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
13951 * bb-reorder.c (duplicate_computed_gotos): Ditto.
13952 (rest_of_handle_reorder_blocks): Ditto.
13953 (rest_of_handle_partition_blocks): Ditto.
13954 * var-tracking.c (variable_tracking_main): Ditto.
13955 * tree-profile.c (tree_profiling): Ditto.
13956 * tree-vect-generic.c (expand_vector_operations): Ditto.
13957 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
13958 * sched-rgn.c (rest_of_handle_sched): Ditto.
13959 (rest_of_handle_sched2): Ditto.
13960 * basic-block.h (free_bb_insn): Ditto.
13961 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
13962 * tree-cfg.c (execute_build_cfg): Ditto.
13963 (remove_useless_stmts): Ditto.
13964 (split_critical_edges): Ditto.
13965 (execute_warn_function_return): Ditto.
13966 (execute_warn_function_noreturn): Ditto.
13967 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
13968 * cfgrtl.c (free_bb_for_insn): Ditto.
13969 * passes.c (execute_one_pass): Run additional
13970 todos returned by execute function.
13971 * tree-pass.h (struct tree_opt_pass): Make execute
13974 2006-03-02 Richard Guenther <rguenther@suse.de>
13976 * tree-ssa-alias.c (find_used_portions): Consider taking
13977 the address as making the variable not write-only.
13979 2006-03-02 Nick Clifton <nickc@redhat.com>
13981 * config.gcc (default_use_cxa_atexit): Extend the description of
13982 this configure variable. Set its default value to "yes" for
13983 Linux, NetBSD and ELF targets on the assumption that they will
13984 use C libraries with the __cxa_atexit function.
13986 2006-03-02 Ben Elliston <bje@au.ibm.com>
13988 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
13989 parameter as unused to suppress a build warning.
13991 2006-03-02 Ben Elliston <bje@au.ibm.com>
13993 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
13996 2006-03-01 Roger Sayle <roger@eyesopen.com>
13999 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14000 declared name, the weak reference name, and the typeof name.
14001 (__gthrw): Avoid expanding the declared name suffix.
14002 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14004 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14006 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14008 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14009 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14010 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14011 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14012 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14013 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14014 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14015 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14016 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14017 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14018 (DW_END_default, DW_END_big, DW_END_little): New.
14019 (DW_END_lo_user, DW_END_hi_user): Define.
14020 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14021 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14022 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14025 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14027 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14029 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14031 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14033 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14035 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14036 to 'symbol_mem_tag'.
14038 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14041 2006-03-01 Roger Sayle <roger@eyesopen.com>
14043 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14045 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14048 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14049 MACHO_DYNAMIC_NO_PIC_P.
14050 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14052 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14055 * config/darwin-protos.h (darwin_asm_output_anchor):
14057 * config/darwin-sections.def (cstring_section):
14058 Add SECTION_MERGE to the flags.
14059 (literal4_section): Likewise.
14060 (literal8_section): Likewise.
14061 (objc_selector_refs_section): Likewise.
14062 (objc_cls_refs_section): Likewise.
14063 * config/darwin.c (darwin_asm_output_anchor): New
14065 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14067 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14069 Fix PR tree-optimization/26443
14070 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14071 to todo and PROP_tmt_usage to properties_destroyed.
14072 * tree-ssa-ccp.c (pass_ccp): Ditto.
14073 (pass_store_ccp): Ditto.
14074 * tree-ssa-dom.c (pass_dominator): Ditto.
14076 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14078 * tree-ssa-operands.c: Cleanup whitespace.
14079 (get_asm_expr_operands): Move before first invocation.
14080 (get_indirect_ref_operands): Likewise.
14081 (get_tmr_operands): Likewise.
14082 (get_call_expr_operands): Likewise.
14083 (append_def): Likewise.
14084 (append_use): Likewise.
14085 (append_v_may_def): Likewise.
14086 (append_v_must_def): Likewise.
14087 (add_call_clobber_ops): Likewise.
14088 (add_call_read_ops): Likewise.
14089 (add_stmt_operand): Likewise.
14090 (add_virtual_operand): Likewise.
14091 (build_ssa_operands): Likewise.
14093 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14095 PR middle-end/26022
14097 PR middle-end/24437
14098 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14099 with a call expr to ...
14100 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14102 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14104 * tree-vrp.c (extract_range_from_assert): Remove special
14105 handling for types with super-types.
14107 2006-03-01 Ben Elliston <bje@au.ibm.com>
14109 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14110 and powerpc64-*-linux* configurations.
14111 * config/t-dfprules: New file.
14113 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14114 Compile dfp-bit.c from the source directory using -DWIDTH and
14115 $DFP_CFLAGS to control the compilation of that file, rather than
14116 generating width-specific versions in the build directory.
14117 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14118 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14120 2006-02-28 Zack Weinberg <zackw@panix.com>
14122 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14125 2006-02-28 Eric Christopher <echristo@apple.com>
14127 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14128 Set up IN_LIBGCC definition of TARGET_64BIT.
14129 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14131 2006-02-28 Roger Sayle <roger@eyesopen.com>
14133 PR middle-end/14752
14134 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14135 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14136 cases via the construction of "expr != 0".
14138 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14140 * alias.c (alias_invariant, alias_invariant_size): Remove.
14141 (record_base_value): Remove.
14142 (memrefs_conflict_p): Don't look at alias_invariant.
14143 (end_alias_analysis): Don't free it.
14144 * alias.h (record_base_value): Remove prototype.
14146 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14147 Adam Nemet <anemet@caviumnetworks.com>
14149 * rtl.h (truncated_to_mode): Declare it.
14150 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14151 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14152 (RTL_HOOKS_INITIALIZER): Include it.
14153 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14154 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14155 reg_truncated_to_mode.
14156 * rtlanal.c (truncated_to_mode): Define it.
14157 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14159 2006-02-28 Jeff Law <law@redhat.com>
14161 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14162 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14163 the range allowed by TYPE_PRECISION.
14165 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14167 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14169 PR tree-optimization/26419
14170 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14173 2006-02-27 Zack Weinberg <zackw@panix.com>
14175 * doc/md.texi: Fix typo in previous change.
14177 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14181 2006-02-27 Zack Weinberg <zackw@panix.com>
14183 * rtl.def (define_constraint, define_register_constraint)
14184 (define_memory_constraint, define_address_constraint): New MD forms.
14185 * gensupport.c (process_rtx): Put define_constraint etc on the
14187 * genpreds.c (process_define_predicate): Adjust comment. Validate
14188 the name, and call validate_exp to validate the expression.
14189 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14190 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14191 all callers changed.
14192 (validate_exp, needs_variable, struct constraint_data)
14193 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14194 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14195 (const_dbl_constraints, constraint_max_namelen)
14196 (have_register_constraints, have_memory_constraints)
14197 (have_address_constraints, have_address_constraints)
14198 (have_extra_constraints, have_const_int_constraints)
14199 (have_const_dbl_constraints, mangle, add_constraint)
14200 (process_define_constraint, process_define_register_constraint)
14201 (write_enum_constraint_num, write_lookup_constraint)
14202 (write_insn_constraint_len, write_regclass_for_constraint)
14203 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14204 (write_insn_extra_memory_constraint)
14205 (write_insn_extra_address_constraint)
14206 (write_satisfies_constraint_fns): New.
14207 (write_tm_preds_h): If we have new-style constraint definitions,
14208 prototype the functions generated from them, and define the
14209 old constraint interface (still used by generic code) in terms of
14211 (write_insn_preds_c): If we have new-style constraint definitions,
14212 generate all relevant functions from those definitions.
14213 (main): Handle define_constraint etc.
14214 * genoutput.c (struct constraint_data, indep_constraints)
14215 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14216 (mdep_constraint_len): New data structures and functions, defined
14217 #ifdef USE_MD_CONSTRAINTS.
14218 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14219 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14220 use new logic to validate operand constraints against constraint
14222 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14224 * defaults.h: If none of the old-style constraint macros are
14225 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14226 old-style macros; and poison REG_CLASS_FROM_LETTER,
14227 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14229 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14230 * doc/md.texi: Document new constraint-definition mechanism and the
14231 C interface it provides. Remove references to old mechanism
14232 elsewhere in the document.
14233 (Machine Constraints): Use pathnames relative to gcc directory,
14234 i.e. config/ARCH/FILE. Change i386 section to refer to
14235 config/i386/predicates.md; update that section to match docstrings.
14236 * doc/tm.texi: Move all documentation of the old constraint-
14237 definition macros to their own section, clearly mark as obsolete.
14239 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14240 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14242 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14243 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14244 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14245 constraint strings.
14246 (splits and peepholes): Use satisfies_constraint_*.
14247 * config/i386/i386.c (memory_address_length)
14248 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14250 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14252 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14253 scalar operation to be put back into the loop.
14255 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14258 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14259 (extract_cie_info): Handle S flag in augmentation string.
14260 (execute_cfa_program): If context->signal_frame, execute also
14261 fs->pc == context->ra instructions.
14262 (uw_frame_state_for): If context->signal_frame, don't subtract one
14263 from context->ra to find FDE.
14264 (uw_update_context_1): Set context->signal_frame to
14266 (_Unwind_GetIPInfo): New function.
14267 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14268 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14270 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14271 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14272 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14273 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14274 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14275 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14276 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14277 x86_64_fallback_frame_state): Set fs->signal_frame.
14278 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14279 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14280 (frob_update_context): Likewise. Workaround missing S flag in
14281 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14282 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14283 Remove the psw_addr + 1 hack.
14285 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14287 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14288 with aggregates here.
14289 (find_func_aliases): Remove code for &<aggregate> from here.
14291 2006-02-26 Roger Sayle <roger@eyesopen.com>
14293 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14294 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14295 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14296 as (X & C) ne/eq 0.
14298 2006-02-26 Roger Sayle <roger@eyesopen.com>
14300 PR middle-end/19983
14301 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14303 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14305 * opts.c (decode_options): Do not handle flag_strength_reduce.
14306 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14307 and OPT_fstrength_reduce.
14308 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14309 flag_prefetch_loop_arrays for being nonzero.
14310 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14312 (fprefetch-loop-arrays-rtl): Removed.
14313 (flag_prefetch_loop_arrays): Do not specify the value.
14315 * doc/passes.texi: Update documentation of loop optimizer
14317 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14318 -frerun-loop-opt): Remove.
14320 2006-02-26 Richard Guenther <rguenther@suse.de>
14322 PR tree-optimization/26421
14323 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14324 in function calls that are ADDR_EXPRs as using the whole structure.
14326 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14328 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14329 * tree-pass.h (pass_loop_optimize): Remove.
14330 * passes.c (pass_loop_optimize): Never run it.
14331 * toplev.c (backend_init): Don't call init_loop.
14332 * opts.c (flag_loop_optimize_set): Remove.
14333 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14334 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14335 the old RTL loop optimizer when profiling enabled.
14336 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14337 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14338 pre-headers for the sake of the old RTL loop optimizer.
14339 * Makefile.in: Remove all references to loop.o.
14341 * doc/invoke.texi: Remove all references to -floop-optimize
14342 and -frerun-loop-opt.
14344 2006-02-26 Zack Weinberg <zackw@panix.com>
14346 * doc/md.texi (Machine Constraints): Refer to all files with paths
14347 relative to gcc directory (i.e. config/CPU/file). Add missing
14348 @table @code ... @end table to M32C subsection.
14350 2006-02-26 Roger Sayle <roger@eyesopen.com>
14352 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14354 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14356 2006-02-26 Roger Sayle <roger@eyesopen.com>
14357 James A. Morrison <phython@gcc.gnu.org>
14359 PR middle-end/21137
14360 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14361 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14362 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14363 signedness of the shift operation.
14365 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14367 PR tree-optimization/26359
14368 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14370 2006-02-25 Roger Sayle <roger@eyesopen.com>
14372 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14373 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14374 as X == 0, and some symmetry related transformations.
14375 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14377 2006-02-25 Roger Sayle <roger@eyesopen.com>
14379 PR middle-end/23673
14380 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14381 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14382 symmetry related transformations. Fold (X^C1) == C2 as
14385 2006-02-25 Juergen Weigert <jw@suse.de>
14386 Richard Guenther <rguenther@suse.de>
14388 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14390 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14392 * combine.c (gen_lowpart_or_truncate): Call
14393 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14395 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14397 * doc/invoke.texi: Move -fopenmp description to "Options for
14399 Remove reference to -lgomp.
14401 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14403 * doc/install.texi: Require GNU tar version 1.14.
14405 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14407 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14408 * doc/invoke.texi (C++ Dialect Options): Document
14409 -fno-use-cxa-get-exception-ptr.
14410 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14411 * configure: Regenerate.
14412 * c.opt (fuse-cxa-get-exception-ptr): New.
14413 * c-opts.c (c_common_handle_option): Handle
14414 OPT_fuse_cxa_get_exception_ptr.
14415 * c-common.c (flag_use_cxa_atexit): Update documentation.
14416 (flag_use_cxa_get_exception_ptr): New.
14417 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14418 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14420 (C_COMMON_OVERRIDE_OPTIONS): New.
14422 2006-02-24 Roger Sayle <roger@eyesopen.com>
14424 PR middle-end/24952
14425 * combine.c (try_combine): Explicitly check whether GET_CODE is
14426 a SET or a CLOBBER, instead on checking that it isn't a USE.
14428 2006-02-24 Roger Sayle <roger@eyesopen.com>
14430 * fold-const.c (fold_comparison): New subroutine of fold_binary
14431 containing transformations common to both the equality and
14432 ordering relational operators, factored out of fold_binary.
14433 (fold_binary): Separate out the equality operators (EQ_EXPR
14434 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14435 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14436 transformations common to both.
14437 (fold_div_compare): Fix latent bugs in the previously unreachable
14438 LT_EXPR and GE_EXPR cases.
14440 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14442 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14443 decl libname for clog to __clog on AIX.
14445 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14447 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14450 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14451 output traceback table for thunks. Localise rs6000_stack_info call.
14453 2006-02-23 Roger Sayle <roger@eyesopen.com>
14454 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14456 * gthr-posix.h (__gthrw): Fix typo in comment.
14458 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14460 * doc/cpp.texi (Character sets): Document that we do support
14461 input files to be in any character set.
14463 2006-02-23 Jeff Law <law@redhat.com>
14465 * tree.h (PHI_ARG_NONZERO): Remove.
14466 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14467 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14468 node to the new node.
14470 PR tree-optimization/26425
14471 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14472 min/max, then assume its varying.
14474 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14476 PR rtl-optimization/26316
14477 * rtlanal.c (enum may_trap_p_flags): New.
14478 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14479 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14480 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14481 (may_trap_after_code_motion_p): New function.
14482 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14483 (find_invariant_insn): Use may_trap_after_code_motion_p.
14484 * rtl.h (may_trap_after_code_motion_p): Declare.
14486 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14488 * emit-rtl.c (immed_double_const): Cleanup.
14490 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14492 Fix PR tree-optimization/26376
14493 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14496 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14498 PR middle-end/26412
14499 * gimplify.c (omp_add_variable): Guard variable size decl test with
14500 DECL_SIZE (decl) check.
14502 2006-02-23 Richard Guenther <rguenther@suse.de>
14504 PR middle-end/26439
14505 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14506 like aggregate types.
14508 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14510 * configure.ac: Add --with{,out}-long-double-128 configure option.
14511 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14512 * configure: Rebuilt.
14513 * config.in: Rebuilt.
14514 * doc/install.texi (Options specification): Document
14515 --with-long-double-128.
14517 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14518 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14519 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14520 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14522 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14524 * config/s390/s390.c (override_options): Handle
14525 TARGET_DEFAULT_LONG_DOUBLE_128.
14527 * config/alpha/alpha.c (override_options): Handle
14528 TARGET_DEFAULT_LONG_DOUBLE_128.
14530 * config/sparc/sparc.c (sparc_override_options): Handle
14531 TARGET_DEFAULT_LONG_DOUBLE_128.
14533 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14535 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14536 (real-install-headers-tar, real-install-headers-cpio)
14537 (real-install-headers-cp): New targets.
14539 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14541 * tree.h (variable_section): Delete.
14542 * varasm.c (variable_section): Delete.
14544 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14546 * install.texi: Add notes on install.texi2html.
14547 (Building in parallel): Do not use footnotes.
14549 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14552 * doc/install.texi (Configuration): Document --disable-libgomp.
14554 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14556 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14558 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14560 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14561 (vec_extractv2df_0_sse): New.
14563 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14565 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14566 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14567 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14568 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14569 to the result of the expression.
14570 (def_cfa_1): Adjust.
14571 (frame_pointer_cfa_offset): Rename to...
14572 (frame_pointer_fb_offset): ... this. Adjust all uses.
14573 (convert_cfa_to_loc_list): Rename to...
14574 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14575 Pass it on to build_cfa_loc.
14576 (compute_frame_pointer_to_cfa_displacement): Rename to...
14577 (compute_frame_pointer_to_fb_displacement): ... this. New
14578 offset parameter. Use it in computation.
14579 (gen_subprogram_die): Compute cfa_fb_offset with the new
14580 macro, and use it to compute the fb loc list and the
14583 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14585 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14586 replaced with register_operand.
14587 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14588 non-DREG is expensive.
14589 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14590 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14593 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14595 * doc/install.texi2html: Use set -e.
14597 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14599 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14600 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14601 * doc/invoke.texi (-fshared-data): Delete.
14602 * common.opt (fshared-data): Delete.
14603 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14604 (assemble_static_space): Remove #if 0 code.
14605 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14606 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14607 * config/cris/cris.h: Remove FIXME.
14609 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14611 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14614 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14616 PR middle-end/26379
14617 * combine.c (simplify_shift_const_1): Disable nested shifts
14618 optimization for vector shifts.
14620 2006-02-20 Roger Sayle <roger@eyesopen.com>
14622 PR tree-optimization/26361
14623 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14624 of unsigned integer types.
14626 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14628 * tree-chrec.c (eq_evolutions_p): New.
14629 * tree-chrec.h (eq_evolutions_p): Declared.
14630 * tree-data-ref.c: Fix formatting.
14631 (datadep_stats, dependence_stats): New.
14633 (print_direction_vector): New.
14634 (dump_data_dependence_relation): Use print_direction_vector.
14635 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14636 (compute_subscript_distance): Static.
14637 (initialize_data_dependence_relation): Static. Get the number
14638 of loops surrounding the references from the callers, and initialize
14639 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14640 base_object_differ_p analyzers.
14641 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14642 compute_overlap_steps_for_affine_1_2,
14643 analyze_subscript_affine_affine): Count the classified dependences.
14644 Print a message when a test failed.
14645 (can_use_analyze_subscript_affine_affine): New.
14646 (analyze_siv_subscript): Compute the data dependences on symbolic
14647 scevs that verify can_use_analyze_subscript_affine_affine.
14648 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14649 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14650 Handle symbolic scevs.
14651 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14653 (subscript_dependence_tester): Moved...
14654 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14655 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14656 DDR_SIZE_VECT instead of getting it in parameter.
14657 (subscript_dependence_tester): ... here. Take as a parameter
14658 loop_nest_depth. Call build_classic_dist_vector and
14659 build_classic_dir_vector.
14660 (compute_affine_dependence): Update subscript_dependence_tester
14661 parameters. Update datadep_stats counters. Call
14662 compute_subscript_distance.
14663 (compute_self_dependence): Save the dist and dir vectors. Call
14664 compute_subscript_distance.
14665 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14666 (compute_all_dependences): Reorder parameters as they were before
14667 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14668 compute_subscript_distance. Update the use of
14669 compute_affine_dependence and initialize_data_dependence_relation.
14670 (find_data_references_in_loop): Handle COMPONENT_REF.
14671 (compute_data_dependences_for_loop): Initialize dependence_stats.
14672 Don't call build_classic_dist_vector and build_classic_dir_vector.
14673 Update the parameters of initialize_data_dependence_relation and
14674 compute_all_dependences. Print the statistics from datadep_stats.
14675 (analyze_all_data_dependences): Static. Not used until the pass for
14676 checking the data dependences is contributed.
14677 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14678 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14679 (initialize_data_dependence_relation, compute_affine_dependence,
14680 analyze_all_data_dependences, compute_subscript_distance): Removed.
14681 (print_direction_vector): New.
14682 * lambda.h (gcd): ... here.
14683 (lambda_vector_gcd): Moved here from gcd_vector.
14684 * lambda-code.c (gcd, gcd_vector): Removed.
14685 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14686 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14688 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14690 * ipa-type-escape.c: Tidy some comments and white space.
14691 * tree-ssa-operands.c: Likewise.
14693 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14696 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14697 (dump_decl_name): Do not walk the decl tree chains.
14698 * tree-pass.h (TDF_CHAIN): Remove.
14700 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14702 * Makefile.in (C): Remove
14704 (.PHONY): Remove C and PROTO
14706 2006-02-20 Roger Sayle <roger@eyesopen.com>
14708 PR middle-end/26236
14709 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14710 deprecated CHAR_TYPE tree code.
14712 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14714 * configure.ac (target_list): Add install-info, dvi, html.
14715 * configure: Regenerate.
14717 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14718 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14719 treelang/Make-lang.in: Do not use double-colon rules.
14721 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14723 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14724 (TMT_USED_ALONE): New macro.
14725 * tree-pass.h (PROP_tmt_usage): New property.
14726 (TODO_update_tmt_usage): New todo.
14727 * tree-ssa-alias.c (updating_used_alone): New variable.
14728 (recalculate_used_alone): New function.
14729 (compute_may_aliases): Set updating_used_alone, call
14730 recalculate_used_alone.
14731 * tree-sra.c (pass_sra): Note that this pass destroys
14732 PROP_tmt_usage, and add TODO_update_tmt_usage.
14733 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14734 * tree-flow.h (updating_used_alone): Prototype.
14735 (recalculate_used_alone): Ditto.
14736 * passes.c (execute_todo): Add code to set updating_used_alone,
14737 and call recalculate.
14738 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14739 for clobber if used alone, and add assert to verify used_alone
14742 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14744 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14745 for non tls symbols added.
14746 (legitimize_address): Do nothing for PLUS expressions if one of the
14747 addends is a tls symbol reference.
14749 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14753 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14755 * Makefile.in (BOOTSTRAPPING): New.
14756 (quickstrap): New definition if BOOTSTRAPPING=yes.
14758 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14759 * configure.ac: Substitute all_selected_languages with the languages
14760 that were configured. For all the other variables except
14761 lang_specs_files, include all the languages in the tree.
14762 * configure: Regenerate.
14764 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14765 if there is one. Run the commands to run fixincludes in the same
14768 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14769 * doc/install.texi: Document exact conventions for searching target tools.
14770 Document --with-build-time-tools. Document toplevel bootstrap. Document
14771 something more about building an Ada cross-compiler. Don't list GNU Make
14772 requirements which affect all platforms.
14774 2006-02-19 Roger Sayle <roger@eyesopen.com>
14776 PR middle-end/19543
14777 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14778 only equivalent if the have both the same mode and precision.
14780 2006-02-20 Ben Elliston <bje@au.ibm.com>
14782 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14784 2006-02-19 Roger Sayle <roger@eyesopen.com>
14785 Steven Bosscher <stevenb.gcc@gmail.com>
14787 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14788 constant pool references to identify stack mode constants.
14789 * rtlanal.c (constant_pool_constant_p): New predicate to check
14790 whether operand is a floating point constant in the pool.
14791 * rtl.h (constant_pool_constant_p): Prototype here.
14792 * loop.c (scan_loop): Avoid hoisting constants from the constant
14793 pool on STACK_REGS targets.
14794 (load_mems): Likewise.
14795 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14796 loads into x87 registers expensive in terms of register pressure.
14798 2006-02-19 Roger Sayle <roger@eyesopen.com>
14800 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14801 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14803 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14805 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14806 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14808 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14810 * doc/invoke.texi: Document -fipa-pta.
14811 * common.opt: Add ipa-pta option.
14812 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14813 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14814 (do_ds_constraint): Ditto.
14815 (get_constraint_for): Only add to referenced_vars if
14816 referenced_vars exists.
14817 (insert_into_field_list): Rewrite to do this unsorted.
14818 (insert_into_field_list_sorted): Rename old insert_into_field_list
14820 (create_function_info_for): Use insert_into_field_list_sorted.
14821 (create_variable_info_for): Rewrite so it uses unsorted version,
14822 since the field list is sorted.
14823 (intra_create_variable_infos): Only add to referenced_vars if
14824 referenced_vars exists.
14825 (ipa_pta_execute): Init heapvars, and delete when done.
14826 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14828 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14830 * doc/install.texi: Add missing `@samp'.
14832 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14834 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14837 2006-02-18 Mark Wielaard <mark@klomp.org>
14839 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14840 who added new 4.1 features, bug fixes and integration support.
14842 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14845 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14846 MEM for ABI_V4 pic.
14848 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14850 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14851 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14852 (copy_insn_1): Likewise. Don't copy each field individually.
14854 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14856 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14857 * rtl.c (rtx_size): Rename variable to...
14858 (rtx_code_size): ...this.
14859 (rtx_size): New function.
14860 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14861 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14863 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14864 * rtl.h (rtx_code_size): New variable.
14865 (rtx_size): Change from a variable to a function.
14866 (RTX_SIZE): Rename to...
14867 (RTX_CODE_SIZE): ...this.
14870 PR tree-optimization/17106
14871 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14872 (Anchored Addresses): New section.
14873 * doc/invoke.texi (-fsection-anchors): Document.
14874 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14875 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14876 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14877 * hooks.c (hook_bool_mode_rtx_false): New function.
14878 * hooks.h (hook_bool_mode_rtx_false): Declare.
14879 * gengtype.c (create_optional_field): New function.
14880 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14881 SYMBOL_REF_IN_BLOCK_P is true.
14882 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14883 (min_anchor_offset, max_anchor_offset): Likewise.
14884 (use_anchors_for_symbol_p): New hook.
14885 * toplev.c (compile_file): Call output_object_blocks.
14886 (target_supports_section_anchors_p): New function.
14887 (process_options): Check that -fsection-anchors is only used on
14888 targets that support it and when -funit-at-a-time is in effect.
14889 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14890 if the decl doesn't have one.
14891 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14892 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14893 of force_const_mem through use_anchored_address.
14894 (expand_expr_constant): New function.
14895 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14896 calling expand_expr for INDIRECT_REF.
14897 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14898 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14899 * expr.h (use_anchored_address): Declare.
14900 * loop-unroll.c: Don't declare rtx vectors here.
14901 * explow.c: Include output.h.
14902 (validize_mem): Call use_anchored_address.
14903 (use_anchored_address): New function.
14904 * common.opt (-fsection-anchors): New switch.
14905 * varasm.c (object_block_htab, anchor_labelno): New variables.
14906 (hash_section, object_block_entry_eq, object_block_entry_hash)
14907 (use_object_blocks_p, get_block_for_section, create_block_symbol)
14908 (use_blocks_for_decl_p, change_symbol_section): New functions.
14909 (get_variable_section): New function, split out from assemble_variable.
14910 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
14911 use_blocks_for_decl_p say so. Use change_symbol_section if the
14912 symbol has already been created.
14913 (assemble_variable_contents): New function, split out from...
14914 (assemble_variable): ...here. Don't output any code for
14915 block symbols; just pass them to place_block_symbol.
14916 Use get_variable_section and assemble_variable_contents.
14917 (get_constant_alignment, get_constant_section, get_constant_size): New
14918 functions, split from output_constant_def_contents.
14919 (build_constant_desc): Create a block symbol if use_object_blocks_p
14920 says so. Or into SYMBOL_REF_FLAGS.
14921 (assemble_constant_contents): New function, split from...
14922 (output_constant_def_contents): ...here. Don't output any code
14923 for block symbols; just pass them to place_section_symbol.
14924 Use get_constant_section and get_constant_alignment.
14925 (force_const_mem): Create a block symbol if use_object_blocks_p and
14926 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
14927 (output_constant_pool_1): Add an explicit alignment argument.
14928 Don't switch sections here.
14929 (output_constant_pool): Adjust call to output_constant_pool_1.
14930 Switch sections here instead. Don't output anything for block symbols;
14931 just pass them to place_block_symbol.
14932 (init_varasm_once): Initialize object_block_htab.
14933 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
14934 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
14935 (place_block_symbol, get_section_anchor, output_object_block)
14936 (output_object_block_htab, output_object_blocks): New functions.
14937 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
14938 (TARGET_ASM_OUT): Include it.
14939 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
14940 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
14941 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
14942 (TARGET_INITIALIZER): Include them.
14943 * rtl.c (rtl_check_failed_block_symbol): New function.
14944 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
14945 (block_symbol, object_block): New structures.
14946 (rtx_def): Add a block_symbol field to the union.
14947 (BLOCK_SYMBOL_CHECK): New macro.
14948 (rtl_check_failed_block_symbol): Declare.
14949 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
14950 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
14951 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
14952 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
14953 * output.h (output_section_symbols): Declare.
14954 (object_block): Name structure.
14955 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
14956 (default_use_anchors_for_symbol_p): Declare.
14957 * Makefile.in (RTL_BASE_H): Add vec.h.
14958 (explow.o): Depend on output.h.
14959 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
14960 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
14961 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
14962 (rs6000_use_blocks_for_constant_p): New function.
14964 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14966 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
14968 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14971 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
14974 2006-02-18 Diego Novillo <dnovillo@redhat.com>
14976 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
14980 2006-02-18 Jakub Jelinek <jakub@redhat.com>
14982 PR middle-end/26334
14983 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
14984 instead of DECL_REGISTER.
14986 2006-02-18 Olivier Hainque <hainque@adacore.com>
14989 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
14991 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
14994 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
14995 * opth-gen.awk: Handle Var and InverseMask together.
14996 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
14997 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
14998 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
14999 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15001 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15002 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15003 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15004 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15005 LINUX_DYNAMIC_LINKER): Define.
15006 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15007 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15009 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15010 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15011 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15012 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15013 (TARGET_C99_FUNCTIONS): Don't define.
15014 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15015 GLIBC_DYNAMIC_LINKER.
15016 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15017 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15018 GLIBC_DYNAMIC_LINKER64): Define.
15019 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15020 LINUX_DYNAMIC_LINKER64.
15021 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15022 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15023 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15024 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15025 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15026 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15027 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15028 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15029 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15030 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15031 and LINUX_DYNAMIC_LINKER32.
15032 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15033 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15034 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15035 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15036 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15038 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15039 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15040 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15041 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15042 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15043 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15044 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15045 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15046 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15047 LINUX_DYNAMIC_LINKER): Define.
15048 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15049 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15050 GLIBC_DYNAMIC_LINKER64): Define.
15051 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15052 LINUX_DYNAMIC_LINKER64.
15053 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15054 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15055 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15056 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15057 LINUX_DYNAMIC_LINKER): Define.
15058 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15059 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15060 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15061 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15062 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15063 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15064 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15065 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15066 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15067 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15068 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15069 * doc/invoke.texi (-muclibc): Remove caveat about supported
15072 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15074 * doc/cpp.texi (__TIMESTAMP__): Document.
15076 2006-02-17 Roger Sayle <roger@eyesopen.com>
15078 PR middle-end/25600
15079 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15080 C is one less than the width of X (and related transformations).
15081 * simplify-rtx.c (simplify_unary_operation_1): Transform
15082 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15083 depending on STORE_FLAG_VALUE, were C is one less then the
15086 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15088 Fix PR tree-optimization/26341
15089 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15090 about NAME_MEMORY_TAG's.
15092 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15095 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15096 with hardware float support, and software float support. Add fcpy
15097 alternative to hardware patterns. Add alternatives to copy between
15098 general and floating-point registers to the 32-bit pattern.
15099 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15100 secondary reload to load a QI or HI mode constant into a floating
15102 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15103 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15105 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15108 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15110 (load_macho_picbase_di): Likewise.
15112 2006-02-16 Jeff Law <law@redhat.com>
15114 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15115 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15116 (ssa_name_nonzero_p): Likewise.
15117 (get_value_range): Return NULL if VRP is not running.
15118 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15119 VRP routines do not discover a range.
15120 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15121 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15122 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15123 (tree_expr_nonnegative_p): Similarly.
15124 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15125 (restore_nonzero_vars_to_original_value): Remove.
15126 (unsafe_associative_fp_binop): Remove.
15127 (tree_ssa_dominator_optimize): Remove initialization and
15128 finalization of nonzero_vars and nonzero_vars_stack.
15129 (dom_opt_initialize_block): No longer push marker on
15130 nonzero_vars_stack.
15131 (dom_opt_finalize_block): No longer call
15132 restore_nonzero_vars_to_original_value.
15133 (record_equivalences_from_phis): No longer look for
15134 nonzero PHI arguments.
15135 (cprop_into_successor_phis): No longer propagate nonzero
15136 property into PHI arguments. Lose unused argument. Caller
15138 (record_equivalences_from_stmt): No longer record nonzero
15139 values for SSA_NAMEs.
15140 (lookup_avail_expr): No longer use nonzero_vars.
15142 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15143 for sizetype when sizetype is unsigned.
15145 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15147 PR rtl-optimization/25603
15148 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15149 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15150 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15151 with new meaning of SETS.
15153 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15158 * config/linux.opt: New file.
15159 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15160 LINUX_DYNAMIC_LINKER): Define.
15161 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15162 * config.gcc (*-*-linux*): Define extra_options.
15163 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15164 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15165 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15166 GLIBC_DYNAMIC_LINKER.
15167 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15168 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15169 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15170 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15171 * doc/invoke.texi (GNU/Linux Options): New section.
15173 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15175 * config/sparc/sparc.md (setjmp): Rewrite.
15176 (setjmp_32): Delete.
15177 (setjmp_64): Likewise.
15179 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15181 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15184 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15186 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15189 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15191 PR rtl-optimization/26296
15192 * Makefile.in (loop-invariant.c): Add except.h dependency.
15193 * loop-invariant.c: Include except.h.
15194 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15196 2005-02-16 Paul Brook <paul@codesourcery.com>
15198 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15201 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15203 PR rtl-optimization/25636
15204 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15205 when deciding whether an insn is an initializing insn.
15207 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15209 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15210 (tree_code_size): Ditto.
15211 * tree.h (struct tree_memory_tag): Remove parent_var.
15212 (struct tree_struct_field_tag): New.
15215 (union tree_node): Add sft member.
15216 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15218 (create_sft): Add size and offset argument, set SFT_OFFSET and
15220 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15221 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15222 * tree-flow-inline.h (get_subvar_at): Update for
15223 SFT_OFFSET/SFT_SIZE.
15224 (var_can_have_subvars): Ditto.
15225 (overlap_subvar): Ditto.
15226 * print-tree.c (print_node): Print out interesting things for
15228 * tree-flow.h (struct subvar): Remove offset and size members.
15229 * tree-ssa-operands.c (get_expr_operands): Update for
15230 get_indirect_ref_operands changes.
15231 (get_indirect_ref_operands): Call add_virtual_operand instead of
15232 add_stmt_operand. Only recurse on base var if requested.
15233 (access_can_touch_variable): New function.
15234 (add_stmt_operand): Split virtual operand handling into ...
15235 (add_virtual_operand): Here. Add offset, size, and for_clobber
15236 arguments. Prune alias sets.
15237 (add_call_clobber_ops): Call add_virtual_operand.
15239 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15241 PR middle-end/26300
15242 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15244 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15245 than TREE_CODE as index into omp_clause_num_ops array.
15247 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15249 PR rtl-optimization/26184
15250 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15252 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15253 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15254 must_precede, must_follow and tobe_scheduled.
15257 * opts.c (common_handle_option): Free new_option pointer.
15258 * df-core.c (df_analyze): Free postorder pointer.
15260 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15262 * Makefile.in: Fix the examples about the use of stamps
15264 2006-02-15 Michael Matz <matz@suse.de>
15266 PR middle-end/22275
15268 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15269 influenced by maximum_field_alignment or DECL_PACKED.
15270 (update_alignment_for_field): Ditto.
15271 (place_field): Ditto.
15272 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15275 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15277 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15278 (debug_flow_info): Pass it.
15279 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15280 * bb-reorder.c (reorder_basic_blocks): Likewise.
15281 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15282 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15283 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15284 * gcse.c (gcse_main, bypass_jumps): Likewise.
15285 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15286 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15287 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15288 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15289 * rtl.h (dump_flow_info): Adjust prototype.
15290 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15291 * var-tracking.c (variable_tracking_main): Likewise.
15292 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15293 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15296 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15298 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15301 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15303 PR tree-optimization/26209
15304 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15305 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15307 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15309 2006-02-14 Roger Sayle <roger@eyesopen.com>
15311 PR middle-end/23670
15312 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15313 (X,Y) and the corresponding symmetry related transformations.
15314 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15315 (X,Y) and its symmetry related transformations.
15317 2006-02-14 Roger Sayle <roger@eyesopen.com>
15319 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15322 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15324 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15326 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15329 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15330 support COMDAT group.
15331 * configure: Regenerate.
15333 2006-02-14 Roger Sayle <roger@eyesopen.com>
15335 PR middle-end/26279
15336 PR middle-end/26280
15337 PR middle-end/26283
15338 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15340 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15342 Fix PR tree-optimization/26260
15344 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15346 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15347 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15348 * tree-ssa-structalias.c (create_variable_info_for): Use
15349 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15351 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15353 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15355 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15356 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15357 of the ending condition.
15358 * tree-ssa-loop-manip.c: Include params.h.
15359 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15360 tree_unroll_loop): New functions.
15361 * tree-pass.h (pass_loop_prefetch): Declare.
15362 * loop.c (rest_of_handle_loop_optimize): Test for
15363 -fprefetch-loop-arrays-rtl.
15364 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15365 * timevar.def (TV_TREE_PREFETCH): New timevar.
15366 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15367 pass_loop_prefetch): New.
15368 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15369 (cleanup_tree_cfg_loop): Call scev_reset.
15370 * common.opt (fprefetch-loop-arrays-rtl): Add.
15371 * tree-ssa-loop-prefetch.c: New file.
15372 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15373 (new_temp_expr_table): Initialize expr_vars.
15374 (free_temp_expr_table): Cleanup expr_vars.
15375 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15376 expressions from being merged into one.
15377 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15378 (struct tree_niter_desc): Add control, bound and cmp fields.
15379 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15381 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15382 (tree-cfgcleanup.o): Add SCEV_H dependency.
15383 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15384 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15386 2006-02-14 Richard Guenther <rguenther@suse.de>
15388 PR tree-optimization/26258
15389 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15390 in PHI argument processing.
15392 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15394 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15395 new expression in the requested machine mode.
15397 2006-02-13 Roger Sayle <roger@eyesopen.com>
15399 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15400 directly, instead let do_compare_rtx_and_jump handle this for us.
15401 * expr.c (expand_expr_real_1): Likewise.
15402 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15403 before do_jump_by_parts_greater.
15404 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15405 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15407 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15409 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15411 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15413 PR rtl-optimization/26235
15414 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15415 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15418 2006-02-13 Jeff Law <law@redhat.com>
15420 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15423 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15425 PR middle-end/26092
15426 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15427 twice if decl is a builtin. When trying again, call get_callee_fndecl
15428 first to verify it is still a builtin.
15430 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15432 * dwarf2out.c (base_type_die): Don't add AT_name here.
15433 (subrange_type_die): Don't add AT_name here.
15434 (modified_type_die): Rearrange code flow. Do add AT_name here.
15436 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15438 PR rtl-optimization/26247
15439 PR rtl-optimization/26248
15440 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15442 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15444 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15445 * config/fixtfdi.c: Likewise.
15446 * config/fixunstfdi.c: Likewise.
15447 * config/floatditf.c: Likewise.
15449 2006-02-13 Roger Sayle <roger@eyesopen.com>
15451 PR middle-end/24427
15452 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15453 into (X,C2) if C1 is a subset of the bits of C2. Transform
15454 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15456 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15458 2006-02-13 Josh Conner <jconner@apple.com>
15461 * varasm.c (function_section): Check for section name before
15462 calling select_section on targets that define
15463 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15464 unlikely_text_section instead of hot_function_section if
15465 first_function_block_is_cold.
15467 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15469 PR middle-end/25335
15470 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15472 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15474 PR rtl-optimization/26222
15475 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15476 after tree->rtl expansion.
15477 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15478 before passing it to emit_move_insn.
15480 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15482 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15484 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15485 Clarify documentation.
15486 * c-common.h (warn_write_strings): Remove.
15487 * c-common.c (warn_write_strings): Likewise.
15488 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15491 2006-02-12 Roger Sayle <roger@eyesopen.com>
15493 PR middle-end/25724
15494 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15495 (do_jump_parts_zero_rtx): New function renamed from
15496 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15497 (do_jump_parts_equality_rtx): New function split out from
15498 do_jump_parts_equality. Old implementation renamed as above.
15499 Call do_jump_parts_zero_rtx if either operand is zero.
15500 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15501 do all of the heavy lifting.
15502 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15503 calling either do_jump_by_parts_greater_rtx or
15504 do_jump_by_parts_equality_rtx.
15505 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15506 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15507 moved to do_compare_rtx_and_jump, call it directly.
15508 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15509 mode argument. Call do_compare_rtx_and_jump.
15510 (emit_case_nodes): Update calls to do_jump_if_equal.
15512 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15514 PR rtl-optimization/26225
15515 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15517 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15519 PR rtl-optimization/26232
15520 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15522 2006-02-11 Jason Merrill <jason@redhat.com>
15525 * tree-inline.c (declare_return_variable): Just don't use the
15526 modify target if it's a gimple complex reg and the return slot
15529 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15531 * doc/contrib.texi: Update my entry.
15533 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15535 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15537 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15539 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15542 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15544 * doc/invoke.texi (-floop-optimize2): Removed.
15545 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15546 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15547 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15548 * common.opt (floop-optimize2): Removed.
15549 (fmove-loop-invariants): Enabled by default.
15551 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15553 * tree-if-conv.c (combine_blocks): Free the result of
15554 get_loop_exit_edges.
15556 2006-02-10 Jeff Law <law@redhat.com>
15558 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15560 PR tree-optimization/26213
15561 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15562 loop trying to follow SSA_NAME_VALUE chains.
15564 2006-02-10 Richard Guenther <rguenther@suse.de>
15566 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15567 deal with structures that end in implicitly variable sized arrays.
15569 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15571 PR rtl-optimization/24762
15572 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15575 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15577 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15578 (struct ivopts_data): Add regs_used field.
15579 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15580 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15581 instead of loop_data->regs_used;
15582 (free_loop_data): Do not free aux fields for loops.
15583 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15584 and tree_ssa_iv_optimize_finalize.
15586 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15588 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15590 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15593 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15594 computing the effective result type.
15596 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15598 PR inline-asm/16194
15599 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15600 (tree_overlaps_hard_reg_set): Declare.
15601 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15602 type and signature to match function type expected by walk_tree.
15603 (tree_overlaps_hard_reg_set): New function.
15604 (decl_conflicts_with_clobbers_p): Rename to:
15605 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15606 Use tree_overlaps_hard_reg_set. Changed caller.
15607 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15608 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15609 * cris.c (cris_md_asm_clobbers): Likewise.
15611 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15613 * reload1.c (emit_input_reload_insns): Delete code that tries to
15614 inherit using find_equiv_reg.
15616 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15618 * c-common.h (flag_const_strings): Don't declare.
15619 * c-common.c (flag_const_strings): Remove.
15620 * c.opt (fconst_strings): Remove.
15621 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15622 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15623 (c_common_init_options): Don't set flag_const_strings.
15624 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15626 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15628 * arm.md (tlobits_cbranch): New pattern.
15629 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15630 testing a single bit.
15632 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15635 * tree-ssa-pre.c (create_component_ref_by_pieces):
15636 Handle RETURN_DECL like VAR_DECL.
15638 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15640 PR middle-end/26134
15641 * fold-const.c (fold_indirect_ref_1): Fold
15642 "*(foo *)&complexfoo" to "__real__ complexfoo"
15643 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15645 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15647 * tree-flow-inline.h (var_can_have_subvars):
15648 Volatile variables should not have subvariables.
15650 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15653 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15654 multiplying unsigned values.
15657 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15659 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15661 2006-02-08 Jason Merrill <jason@redhat.com>
15664 * tree.def: Elaborate on difference from MODIFY_EXPR.
15665 * doc/c-tree.texi (INIT_EXPR): Likewise.
15666 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15667 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15668 (gimplify_target_expr): Likewise.
15669 (gimplify_cond_expr): Remove target handling.
15670 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15671 (gimplify_expr): Clobber it here.
15672 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15673 Do return slot optimization if we have an INIT_EXPR.
15676 * tree-inline.c (declare_return_variable): Also clear
15677 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15680 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15682 PR middle-end/22439
15683 * gimplify.c (gimplify_one_sizepos): Fix typo.
15685 2006-02-08 Jeff Law <law@redhat.com>
15687 PR tree-optimization/21417
15688 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15689 across a backedge if the control statement at the end of the
15690 block is data dependent on other statements in the same block.
15691 (record_temporary_equivalences_from_stmts): Remove over-conservative
15692 test for threading across backedges.
15694 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15695 control statement, handle all three special cases in the same
15696 manner as they all have the same desired solution. No longer
15697 special case edge flag updating when the post dominator is
15700 2006-02-08 Roger Sayle <roger@eyesopen.com>
15702 * tree.def (CHAR_TYPE): Remove.
15703 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15704 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15705 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15706 (gen_string_type_die): Delete unreachable function.
15708 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15709 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15710 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15711 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15712 * builtins.c (type_to_class): Likewise.
15713 * fold-const.c (fold_convert, build_range_check,
15714 merge_ranges): Likewise.
15715 * expr.c (count_type_elements): Likewise.
15716 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15717 * stor-layout.c (layout_type): Likewise.
15718 * ipa-type-escape.c (type_to_consider): Likewise.
15719 * gimplify.c (omp_firstprivatize_type_sizes,
15720 gimplify_type_sizes): Likewise.
15721 * explow.c (promote_mode): Likewise.
15722 * tree-sra.c (is_sra_scalar_type): Likewise.
15723 * varasm.c (output_constant): Likewise.
15724 * tree-inline.c (remap_type_1): Likewise.
15725 * convert.c (convert_to_pointer, convert_to_real,
15726 convert_to_integer, convert_to_complex): Likewise.
15728 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15730 * df-scan.c (df_def_record_1): A set destination may
15731 be a parallel regardless of mode.
15733 2006-02-08 Roger Sayle <roger@eyesopen.com>
15736 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15737 * config/mips/_tilib.c: Remove.
15738 * config/fixtfdi.c: New libgcc source file.
15739 * config/fixunstfdi.c: New source file.
15740 * config/floatditf.c: New source file.
15741 * config/floatunditf.c: New souce file.
15742 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15743 files above instead of config/mips/_tilib.c.
15744 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15746 2006-02-08 Jeff Law <law@redhat.com>
15748 PR tree-optimization/26169
15749 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15752 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15754 * df.h (DF_REG_SIZE): Return the length of the initialized
15757 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15759 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15760 __muldf3): Return a correctly signed zero.
15762 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15764 * passes.c (register_one_dump_file): Accept the current properties
15765 instead of pass number. Adjust call to dump_register. Remove
15767 (register_dump_files): Now a wrapper around...
15768 (register_dump_files_1): ... this one. Do not modify the pass
15770 (next_pass_1): Cosmetic fix.
15771 (execute_todo): Keep second parameter only. Use curr_properties
15772 instead of fetching it from the pass structure. Check and set
15774 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15775 instead of fetching it from the pass structure. Fix calls to
15776 execute_todo. Update curr_properties and initialize .vcg RTL dump
15777 after running the pass. Reset last_verified.
15778 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15780 (FIRST_AUTO_NUMBERED_DUMP): New.
15781 (dump_register): Remove "num" parameter, assign it within the
15783 (get_dump_file_name): Modify template for dumps.
15784 * tree-dump.h (dump_register): Adjust prototype.
15785 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15786 (PROP_trees): Add PROP_gimple_lomp.
15787 (TODO_set_props): New.
15788 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15789 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15790 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15792 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15794 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15795 (sparc64-*-linux*): Likewise.
15796 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15797 * config/sparc/t-linux: New file.
15798 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15799 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15800 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15801 -m32 -mlong-double-128.
15803 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15804 * config/alpha/t-linux: New file.
15805 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15807 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15808 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15809 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15810 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15811 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15812 (CPP_ARCH32_SPEC): Remove.
15814 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15816 PR tree-optimization/26145
15817 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15820 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15823 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15824 >= 240000 when generating code for SOM runtime.
15825 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15826 to $$dyncall when generating code for SOM runtime..
15828 2006-02-07 Dirk Mueller <dmueller@suse.com>
15831 * doc/invoke.texi (-Wsequence-point): Update documentation
15832 that -Wsequence-point is implemented for C++ as well.
15834 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15836 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15837 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15838 (LIB_SPEC): Likewise.
15839 * doc/invoke.texi (SPARC options): Document -pthread.
15841 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15843 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15846 2006-02-07 Roger Sayle <roger@eyesopen.com>
15848 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15849 Correct comment describing BOOLEAN_TYPE.
15851 2006-02-07 Dirk Mueller <dmueller@suse.com>
15853 * c.opt: C++ frontend supports -Wdiv-by-zero.
15854 * c-opts.c (c_common_handle_option): Remove dead case.
15856 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15858 * configure.ac (TLS assembler check): Do not enable TLS by
15859 default on SPARC/Solaris before version 10.
15860 * configure: Regenerate.
15862 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15864 * doc/invoke.texi (xl-compat): Document conversion and support
15867 2006-02-07 Jeff Law <law@redhat.com>
15869 * tree-vrp.c (find_conditional_asserts): Update comments.
15870 (simplify_stmt_for_jump_threading): New.
15871 (identify_jump_threads, finalize_jump_threads): New.
15872 (vrp_finalize): Call identify_jump_threads.
15873 (execute_vrp): Call finalize_jump_threads.
15874 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15875 (vrp_element, vrp_data, vrp_element_p): Remove.
15876 (vrp_hash_elt, vrp_variables_stack): Remove.
15877 (vrp_hash, vrp_eq, record_range): Remove.
15878 (simplify_cond_and_lookup_avail_expr): Remove.
15879 (extract_range_from_cond): Remove.
15880 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15881 (simplify_stmt_for_jump_threading): New.
15882 (dom_thread_across_edge): New wrapper.
15883 (tree_ssa_dominator_optimize): No longer initialize or
15884 finalize any of the VRP datastructures. Remove iteration
15885 step and simplify as a result of removal of iteration step.
15886 (pass_dominator): Perform a cfg cleanup after DOM.
15887 (dom_opt_finalize_block): Use the new common routines
15888 for threading jumps. Simplify stack management slightly.
15889 No longer need to unwind VRP state.
15890 (record_equivalences_from_incoming_edge): No longer record
15892 (eliminate_redundant_computations): No longer call
15893 simplify_cond_and_lookup_avail_expr.
15894 * tree-flow.h (potentially_threadable_block): Prototype.
15895 (thread_across_edge): Likewise.
15896 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15897 (tree-ssa-threadedge.o): Add dependencies.
15898 * tree-ssa-threadedge.c: New file.
15899 * passes.c (init_optimization_passes): Merge PHIs before
15900 calling VRP. Run VRP again late in the SSA optimization pipeline.
15902 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15904 * df-core.c (df_set_blocks): Do not dereference function pointers.
15905 (df_finish1): Likewise.
15906 (df_hybrid_search_forward): Likewise.
15907 (df_hybrid_search_backward): Likewise.
15908 (df_iterative_dataflow): Likewise.
15909 (df_analyze_problem): Likewise.
15910 (df_compact_blocks): Likewise.
15911 (df_dump): Likewise.
15912 * df-scan.c (df_rescan_blocks): Likewise.
15913 (df_record_entry_block_defs): Likewise.
15915 * genconditions.c (write_conditions): Guard the definition of
15916 'insn_conditions' with the check on GCC version.
15917 (write_writer): Guard the traversal 'insn_conditions' with
15918 the check on GCC version.
15920 2006-02-07 Richard Guenther <rguenther@suse.de>
15924 2006-01-30 Richard Guenther <rguenther@suse.de>
15926 * gimplify.c (gimplify_target_expr): Handle easy cases
15927 without creating a temporary.
15929 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
15931 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
15932 use of float in probability computations. Use edge probabilities
15933 in place of statically computed probabilities.
15934 (min_spec_prob): New static variable.
15935 (schedule_insns): Initialize it.
15936 (GET_SRC_PROB): Removed.
15937 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
15939 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
15942 * config/ia64/unwind-ia64.c: Revert last change.
15943 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
15944 (INCOMING_FRAME_SP_OFFSET): Define.
15946 2006-02-06 Roger Sayle <roger@eyesopen.com>
15948 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
15950 2006-02-07 Ben Elliston <bje@au.ibm.com>
15952 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
15953 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
15954 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
15955 (ix86_return_in_memory): Handle TDmode.
15956 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
15957 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
15959 2006-02-06 Richard Sandiford <richard@codesourcery.com>
15961 * reorg.c (dbr_schedule): Use dump_file instead of file.
15963 2006-02-06 Steve Ellcey <sje@cup.hp.com>
15966 * config/ia64/predicates.md (extr_len_operand): New predicate.
15967 * config/ia64/ia64.md (extv): Tighten constraints.
15969 (*tbit_and_2): Ditto.
15970 (*tbit_and_3): Ditto.
15971 (*tbit_or_2): Ditto.
15972 (*tbit_or_3): Ditto.
15973 (*bit_zero): Ditto.
15976 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
15979 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
15981 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15983 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
15984 loop_optimizer_init and loop_optimizer_finalize
15985 * tree-ssa-sink.c (execute_sink_code): Ditto.
15986 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
15987 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
15988 tree_ssa_loop_done): Ditto.
15989 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
15990 * sched-ebb.c: Include output.h.
15991 (schedule_ebbs): Do not use dump argument.
15992 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
15993 * loop.c (loop_dump_stream): Removed.
15994 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
15996 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
15997 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
15998 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
15999 loop_iterations, strength_reduce, record_biv, record_giv,
16000 final_giv_value, check_final_value, check_ext_dependent_givs,
16001 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16002 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16003 dump_file instead of loop_dump_stream.
16004 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16005 argument dump_file.
16006 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16008 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16009 * haifa-sched.c: Include output.h
16010 (schedule_insns, sched_init): Do not use dump argument.
16011 * mode-switching.c (optimize_mode_switching): Ditto.
16012 * modulo-sched.c (stats_file): Removed.
16013 (print_node_sched_params): Do not call argument dump_file.
16014 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16015 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16017 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16019 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16020 rtl_loop_init, rtl_loop_done): Ditto.
16021 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16022 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16024 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16025 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16026 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16027 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16028 * emit-rtl.c (renumber_insns): Ditto.
16029 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16030 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16031 * regclass.c (regclass): Ditto.
16032 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16033 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16034 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16035 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16037 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16038 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16040 * gcse.c (gcse_file, debug_stderr): Removed.
16041 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16042 rest_of_handle_gcse): Do not use dump argument.
16043 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16044 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16045 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16046 compute_code_hoist_vbeinout, compute_code_hoist_data,
16047 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16048 compute_store_table, build_store_vectors, insert_insn_start_bb,
16049 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16050 store_motion): Use dump_file instead of gcse_file.
16051 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16052 * profile.c (profile_dump_file): Removed.
16053 (branch_prob): Use dump_file instead of profile_dump_file.
16054 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16056 * tree-ssa-copy.c (dump_copy_of): Ditto.
16057 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16058 dump file to life_analysis.
16059 * bt-load.c (branch_target_load_optimize): Ditto.
16060 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16062 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16063 regclass, dbr_schedule): Declaration changed.
16064 * sched-int.h (sched_init): Declaration changed.
16065 * tree-profile.c (tree_profile_dump_file): Removed.
16066 (tree_profile_hooks): Removed profile_dump_file hook.
16067 * rtl-profile (rtl_profile_dump_file): Removed.
16068 (rtl_profile_hooks): emoved profile_dump_file hook.
16069 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16071 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16072 * tree-cfg.c (build_tree_cfg): Ditto.
16073 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16074 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16075 Declaration changed.
16076 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16077 life_analysis and schedule_insns.
16078 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16080 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16082 * config/mips/mips.c (mips_reorg): Ditto.
16083 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16086 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16088 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16089 (s390_mangle_fundamental_type): New.
16090 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16093 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16094 (alpha_mangle_fundamental_type): New.
16095 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16098 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16100 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16102 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16103 (sparc_mangle_fundamental_type): New.
16105 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16107 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16108 (s390x-*-linux*): Likewise.
16109 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16110 * config/s390/t-linux: New file.
16112 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16114 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16115 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16117 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16119 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16120 (ANTIC_SAFE_LOADS): New macro.
16121 (find_or_generate_expression): Add prototype.
16122 (set_contains_value): Allow null set for sake of not always having
16123 to allocate ANTIC_SAFE_LOADS.
16124 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16125 Allow COMPONENT_REF too.
16126 (valid_in_set): Allow COMPONENT_REF.
16127 Check ANTIC_SAFE_LOADS too.
16128 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16129 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16131 (can_PRE_operation): Add COMPONENT_REF.
16132 (create_component_ref_by_pieces): New function.
16133 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16134 (insert_aux): Move AGGREGATE_TYPE_P check here.
16135 (compute_avail): Set bb local stmt uids.
16136 (pass_pre): Use TODO_update_ssa_only_virtuals.
16138 2006-02-06 Ben Elliston <bje@au.ibm.com>
16140 * configure.ac: Unconditionally disable decimal float by default.
16141 * configure: Regenerate.
16143 2006-02-06 Ben Elliston <bje@au.ibm.com>
16145 * read-rtl.c (read_name): Terminate reading on EOF.
16147 2006-02-06 Ben Elliston <bje@au.ibm.com>
16149 * dfp.c (decimal_real_arithmetic): Change second argument type
16150 from int to enum tree_code. Do not always return true, but now
16151 return result of any call to decimal_do helper functions.
16152 * dfp.h (decimal_real_arithmetic): Update prototype.
16154 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16156 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16158 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16161 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16164 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16166 * tree-vrp.c (cfg_loops): Removed.
16167 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16168 Use current_loops instead of cfg_loops. Pass flags to
16169 loop_optimizer_init.
16170 * cfgloopmanip.c (fix_loop_structure): Update only available
16172 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16173 loop_optimizer_init.
16174 * modulo-sched.c (build_loops_structure): Removed.
16175 (sms_schedule): Use loop_optimizer_init.
16176 * loop-init.c (loop_optimizer_init): Use flags to determine
16177 which properties of loops to prepare.
16178 (rtl_loop_init): Pass flags to loop_optimizer_init.
16179 * tree-ssa-sink.c (execute_sink_code): Ditto.
16180 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16181 * tree-ssa-pre.c (init_pre): Ditto.
16182 * cfgloop.h (LOOPS_NORMAL): New.
16183 (loop_optimizer_init): Declaration changed.
16185 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16187 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16188 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16190 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16192 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16194 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16195 * pa/t-pa64: Delete quadlib.c rule.
16196 * pa/x-ada: Revert last change.
16197 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16199 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16201 PR rtl-optimization/26087
16202 * rtlanal.c (canonicalize_condition): Do not cross basic block
16205 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16208 * config/ia64/ia64.c: Include debug.h.
16209 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16210 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16211 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16212 (process_epilogue, process_set, process_for_unwind_directive):
16213 Output unwind info only if requested. Add CFA info if requested.
16214 Add new arguments as needed. Adjust callers.
16215 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16217 (DWARF2_FRAME_INFO): Define to zero.
16218 * config/ia64/unwind-ia64.c: Remove code that compensated for
16219 the CFA offset error fixed above.
16220 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16221 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16222 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16223 -funwind-tables and -fexceptions to enable frame info.
16224 (dwarf2out_frame_init): Define initial CFA even if
16225 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16226 DWARF2_UNWIND_INFO is nonzero, not just defined.
16227 (dwarf2out_frame_finish): Output non-EH call frame info only
16228 if DWARF2_FRAME_INFO is nonzero.
16229 (convert_cfa_to_loc_list,
16230 compute_frame_pointer_to_cfa_displacement): Define even if
16231 unwind info is not supported.
16232 (gen_subprogram_die): Use the above unconditionally. Remove
16233 legacy alternate code.
16234 * toplev.c (compile_file): Compile in call to
16235 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16236 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16238 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16239 Jakub Jelinek <jakub@redhat.com>
16241 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16242 IBM extended float format long double as "g" on powerpc*-linux.
16244 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16247 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16248 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16250 2006-02-03 Jason Merrill <jason@redhat.com>
16253 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16255 PR middle-end/25977
16256 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16257 on the return slot if it's an NRV.
16259 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16261 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16262 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16263 rewrite_use): Do not handle USE_OUTER.
16264 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16265 add_iv_outer_candidates, may_replace_final_value,
16266 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16267 (find_interesting_uses_op): Functionality of
16268 find_interesting_uses_outer_or_nonlin moved here.
16269 (find_interesting_uses_outside): Use find_interesting_uses_op.
16271 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16274 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16276 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16277 Ulrich Weigand <uweigand@de.ibm.com>
16280 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16281 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16282 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16283 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16285 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16286 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16287 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16288 Define secondary reloads for TFmode moves.
16289 (constant_modes): Add TFmode.
16290 (NR_C_MODES): Set to 8.
16291 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16293 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16294 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16295 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16296 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16297 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16298 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16299 (FPR mode macro): Add TFmode.
16300 (DSF mode macro): New.
16301 (<de>, <dee> mode attributes): Removed.
16302 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16303 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16304 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16305 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16306 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16307 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16308 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16309 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16310 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16311 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16312 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16313 "*negabs<mode>2", "sqrt<mode>2"):
16314 Changed <de> to <xde>. R constraint replaced by <Rf>.
16315 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16317 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16318 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16319 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16321 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16322 "extenddftf2", "extendsftf2"): New expanders.
16323 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16324 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16325 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16326 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16328 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16329 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16330 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16331 __floatditf): Add a GCC_4.1.0 symbol version tag.
16332 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16335 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16338 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16339 Use targetm.binds_local_p instead of TREE_PUBLIC.
16341 2006-02-02 Roger Sayle <roger@eyesopen.com>
16343 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16344 on INTEGER_TYPEs to indicate that it denotes a character type.
16345 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16346 signed_char_type_node, unsigned_char_type_node and char_type_node.
16347 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16348 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16349 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16351 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16352 Daniel Berlin <dberlin@dberlin.org>
16354 * tree-tailcall.c (arg_needs_copy_p): New function.
16355 (eliminate_tail_call): Use arg_needs_copy_p.
16356 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16357 (add_virtual_phis): New function.
16359 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16361 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16362 #ignore instead of #scratch for %g7 .register directive.
16364 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16366 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16369 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16371 * flow.c (calculate_global_regs_live): Assert that there aren't any
16374 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16376 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16377 what its name says.
16378 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16379 bsi_after_labels iterator.
16380 * tree-if-conv.c (find_phi_replacement_condition,
16381 replace_phi_with_cond_modify_expr): Likewise.
16382 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16383 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16385 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16387 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16389 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16392 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16393 array after growing it.
16395 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16397 PR middle-end/24901
16398 * fold-const.c (fold_checksum_tree): Change type of buf.
16400 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16402 * reload.c (push_secondary_reload): Initialize t_icode.
16404 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16406 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16407 -msoft-float -mlong-double-128 only issue a warning, but don't
16408 swich to DFmode long double.
16410 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16412 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16413 has a constant equivalent, iterate over equivalents for arg0,
16414 calling simplify_relational_operation and if there's a result
16415 cheaper than X, apply fold_rtx and return the result.
16417 2006-02-01 Jan Hubicka <jh@suse.cz>
16419 * opts.c (no_unit_at_a_time_default): New global variable.
16420 (decode_options): Use it.
16421 * opts.h (no_unit_at_a_time_default): Declare.
16423 2006-02-01 Paul Brook <paul@codesourcery.com>
16425 * function.c (assign_parm_setup_reg): Use function argument promotion
16427 * expr.c (expand_expr_real_1): Use function argument promotion rules
16430 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16432 * gcc.c (process_command): Change j to 'unsigned int'.
16434 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16436 PR middle-end/26001
16437 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16438 Use the corrected index for the character
16439 out of the string constant.
16441 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16443 * mode-switching.c (optimize_mode_switching): Fix size
16444 allocated for bb_info[n_entities].
16446 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16448 * gcc.c (main): Correct type that is allocated for
16449 explicit_link_files.
16451 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16453 * config/s390/s390.c (init_alignment_context): Set
16454 ALIAS_SET_MEMORY_BARRIER on the MEM.
16455 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16457 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16459 PR middle-end/25933
16460 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16462 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16465 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16467 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16468 * regrename.c: Ditto.
16469 * tree-ssa-loop-im.c: Ditto.
16470 * tree-dump.c: Ditto.
16471 * tree-complex.c: Ditto.
16472 * genrecog.c: Ditto.
16473 * tree-ssa-threadupdate.c: Ditto.
16475 * java/class.c: Ditto.
16476 * java/jcf-parse.c: Ditto.
16477 * java/resource.c: Ditto.
16478 * java/except.c: Ditto.
16479 * java/jvspec.c: Ditto.
16480 * java/jcf-write.c: Ditto.
16481 * java/jcf-path.c: Ditto.
16482 * java/gjavah.c: Ditto.
16483 * java/zextract.c: Ditto.
16484 * java/jcf-io.c: Ditto.
16485 * java/jcf.h: Ditto.
16486 * java/buffer.c: Ditto.
16487 * java/lang.c: Ditto.
16488 * java/parse-scan.y: Ditto.
16489 * java/lex.c: Ditto.
16490 * java/lex.h: Ditto.
16491 * cfgloopmanip.c: Ditto.
16492 * postreload-gcse.c: Ditto.
16493 * tree-ssa-loop-manip.c: Ditto.
16494 * postreload.c: Ditto.
16495 * tree-ssa-loop-ch.c: Ditto.
16498 * cppspec.c: Ditto.
16499 * diagnostic.c: Ditto.
16501 * genoutput.c: Ditto.
16503 * cfghooks.c: Ditto.
16504 * cfgloopanal.c: Ditto.
16505 * objc/objc-act.c: Ditto.
16507 * genextract.c: Ditto.
16508 * genautomata.c: Ditto.
16509 * pretty-print.c: Ditto.
16510 * genemit.c: Ditto.
16511 * cgraphunit.c: Ditto.
16513 * df-scan.c: Ditto.
16514 * haifa-sched.c: Ditto.
16515 * dominance.c: Ditto.
16517 * tree-ssa-loop-ivopts.c: Ditto.
16518 * df-core.c: Ditto.
16519 * mode-switching.c: Ditto.
16520 * modulo-sched.c: Ditto.
16522 * ipa-pure-const.c: Ditto.
16524 * fix-header.c: Ditto.
16526 * tree-stdarg.c: Ditto.
16527 * ipa-utils.c: Ditto.
16528 * loop-init.c: Ditto.
16529 * ipa-inline.c: Ditto.
16530 * cfganal.c: Ditto.
16532 * alloc-pool.c: Ditto.
16533 * dwarf2out.c: Ditto.
16535 * genattrtab.c: Ditto.
16536 * tree-ssa-loop-ivcanon.c: Ditto.
16537 * predict.c: Ditto.
16538 * timevar.c: Ditto.
16540 * fortran/gfortranspec.c: Ditto.
16541 * regmove.c: Ditto.
16542 * local-alloc.c: Ditto.
16543 * langhooks.c: Ditto.
16544 * function.c: Ditto.
16545 * tree-vectorizer.c: Ditto.
16547 * ipa-type-escape.c: Ditto.
16549 * tree-if-conv.c: Ditto.
16550 * profile.c: Ditto.
16552 * tree-data-ref.c: Ditto.
16553 * loop-unroll.c: Ditto.
16554 * treelang/treetree.c: Ditto.
16556 * bt-load.c: Ditto.
16557 * ggc-common.c: Ditto.
16559 * coverage.c: Ditto.
16561 * tree-cfgcleanup.c: Ditto.
16562 * tree-ssa-pre.c: Ditto.
16563 * cfgcleanup.c: Ditto.
16564 * loop-invariant.c: Ditto.
16565 * loop-iv.c: Ditto.
16566 * ipa-prop.c: Ditto.
16567 * print-tree.c: Ditto.
16568 * conflict.c: Ditto.
16569 * ggc-page.c: Ditto.
16570 * sched-deps.c: Ditto.
16571 * regclass.c: Ditto.
16572 * tree-object-size.c: Ditto.
16573 * combine.c: Ditto.
16574 * bb-reorder.c: Ditto.
16575 * resource.c: Ditto.
16576 * var-tracking.c: Ditto.
16577 * cfgloop.c: Ditto.
16578 * df-problems.c: Ditto.
16579 * reg-stack.c: Ditto.
16581 * gccspec.c: Ditto.
16582 * sched-rgn.c: Ditto.
16583 * tree-ssa-structalias.c: Ditto.
16584 * tree-ssa-reassoc.c: Ditto.
16585 * config/darwin-c.c: Ditto.
16586 * config/darwin.c: Ditto.
16587 * config/arm/arm.c: Ditto.
16589 * collect2.c: Ditto.
16590 * reload1.c: Ditto.
16592 2006-01-31 Nicolas Pitre <nico@cam.org>
16594 * arm.md (smaxsi3): Make aware of smax_m1.
16597 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16599 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16601 2006-01-31 Richard Guenther <rguenther@suse.de>
16603 * doc/invoke.texi (-msselibm): Document.
16604 * target.h (expand_library_builtin): New target hook.
16605 * builtins.c (expand_builtin): Use expand_library_builtin.
16606 (default_expand_library_builtin): New function.
16607 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16608 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16609 (link_gcc_math_spec): Declare.
16610 (static_specs): Add link_gcc_math_spec.
16611 * expr.h (default_expand_library_builtin): Declare.
16612 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16613 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16614 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16615 * config/i386/i386.opt (msselibm): New target option.
16616 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16617 (ix86_init_sse_abi_builtins): New function.
16618 (ix86_expand_library_builtin): Likewise.
16619 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16620 (override_options): Handle error conditions wrt -msselibm.
16621 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16622 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16623 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16626 2006-01-31 Richard Guenther <rguenther@suse.de>
16627 Paolo Bonzini <bonzini@gnu.org>
16629 * doc/install.texi (--disable-libgcc-math): Document.
16631 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16633 * expr.h (expand_normal): new inline function.
16634 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16635 * dojump.c: use it.
16636 * dwarf2out.c: use it.
16639 * expmed.c: use it.
16640 * except.c: use it.
16641 * config/sparc/sparc.c: use it.
16642 * config/i386/i386.c: use it.
16643 * config/rs6000/rs6000.c: use it.
16644 * config/arm/arm.c: use it.
16645 * config/mips/mips.c: use it.
16646 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16648 2006-01-30 Roger Sayle <roger@eyesopen.com>
16650 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16651 argv to the appropriate type.
16653 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16655 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16658 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16661 * config/s390/s390.c (struct machine_function): New flag
16662 decomposed_literal_pool_addresses_ok_p.
16663 (s390_reorg): Set it before final stage of literal pool transforms.
16664 (s390_decompose_address): Only accept displacements of the form
16665 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16667 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16669 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16670 the comparison routine return.
16672 2006-01-30 Michael Matz <matz@suse.de>
16674 * global.c (find_reg): Only evict for global regs.
16675 Take n_refs into account and dump more info.
16677 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16680 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16681 (pragma_trap, pragma_nosave_low_regs): Likewise.
16682 (current_function_anonymous_args): Likewise.
16683 (sh_deferred_function_attributes): New variable.
16684 (sh_deferred_function_attributes_tail): Likewise.
16685 (print_operand): For '@', look up trap_exit attribute.
16686 (calc_live_regs): Look up trapa_handler attribute. For trapa
16687 handlers, save/restore fpscr, but don't do any other
16688 interrupt-specific saves.
16689 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16690 Fix check for partially saved registers to check for SHmedia.
16691 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16692 (sh_output_function_epilogue): Don't clear any of the removed
16694 (sh_insert_attributes): Don't check pragma_interrupt.
16695 Insert deferred attributes. Check that interrupt attribute is
16696 present for other attributes that require its presence.
16697 (sh_attribute_table): Add new attributes trapa_handler and
16699 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16700 Don't check for pragma_interrupt. Don't store argument.
16701 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16702 (sh_deferred_function_attributes): Declare.
16703 (sh_deferred_function_attributes_tail): Likewise.
16704 * sh.md (sp_switch_1): Add operand. Change generator caller.
16705 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16706 (*return_i): Don't use when trap_exit attribute is in effect.
16707 (*return_trapa): New insn pattern.
16708 * sh-c.c: New file.
16709 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16710 setting c_target_objs and cxx_target_objs.
16711 * t-sh: Add rule for sh-c.o.
16713 2006-01-30 Richard Guenther <rguenther@suse.de>
16716 * gimplify.c (gimplify_target_expr): Handle easy cases
16717 without creating a temporary.
16719 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16721 * vec.h (safe_grow): Remove duplicated line.
16723 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16726 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16727 (expand_omp): ... here.
16728 (expand_omp_parallel): Only remove barriers for combined
16729 parallel+workshare constructs.
16731 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16735 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16736 * tree.c (build_qualified_type): Chain the new type to the original
16737 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16738 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16739 (build_pointer_type_for_mode): Only return unqualified types.
16740 (build_reference_type_for_mode): Likewise.
16742 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16744 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16745 * Makefile.in (CXX_COMPAT_WARN): Define.
16746 * configure: Regenerate.
16748 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16751 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16754 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16756 * toplev.c: Fix thinko.
16758 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16759 Marcin Dalecki <martin@dalecki.de>
16761 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16762 (push_srcloc): Use XNEW.
16763 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16765 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16767 * df-core.c (df_set_blocks): Deleted all variable.
16769 2006-01-28 Ian Lance Taylor <ian@airs.com>
16771 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16772 cgraph_output_pending_asms.
16774 2006-01-28 Zack Weinberg <zackw@panix.com>
16776 * c.opt: Add -W(no-)overlength-strings.
16777 * doc/invoke.texi: Document it.
16778 * c-opts.c (c_common_handle_option): -pedantic implies
16779 -Woverlength-strings, if not explicitly disabled already.
16780 (c_common_post_options): -Woverlength-strings defaults to off, and
16781 is always off for C++.
16782 * c-common.c (fix_string_type): Issue warning about strings longer
16783 than is portable only if warn_overlength_strings. Rearrange code
16784 a little for clarity.
16785 * configure.in: Check for -Wno-overlength-strings as well before
16786 enabling -pedantic in stage 1.
16787 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16788 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16790 * genconditions.c (write_header, write_one_condition)
16791 (write_conditions, write_writer): Consolidate very long strings
16792 that were broken up to fit in C89 portable limit. Don't use
16793 printf when fputs will do.
16795 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16797 * combine.c (simplify_comparison <AND>): Check
16798 TRULY_NOOP_TRUNCATION before start using a subreg.
16800 * config/mips/mips.md (*branch_zero<mode>,
16801 *branch_zero<mode>_inverted, *branch_equality<mode>,
16802 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16803 Remove mode check from comparisons.
16805 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16807 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16809 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16811 * expmed.c (const_mult_add_overflow_p): Remove.
16812 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16814 * recog.c (validate_replace_rtx_subexp): Remove.
16815 * recog.h: Remove the prototype for
16816 validate_replace_rtx_subexp.
16818 * integrate.h: Remove the prototype for
16819 copy_decl_for_inlining.
16820 * rtl.h: Remove the prototype for mark_constant_function.
16821 * tree-vectorizer.h: Remove the prototype for
16822 vect_strip_conversion.
16824 * modulo-sched.c (create_partial_schedule,
16825 free_partial_schedule, reset_partial_schedule): Make them
16828 * hooks.c (hook_bool_rtx_int_false): Remove.
16829 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16831 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16833 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16834 and -mlong-double-128 are incompatible.
16835 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16836 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16837 (TARGET_LIBGCC2_CFLAGS): Define.
16838 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16839 (TARGET_LIBGCC2_CFLAGS): Same.
16840 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16842 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16845 * c-typeck.c (build_binary_op): Perform implicit casts of
16846 operands before shortening them.
16848 * cfgloopmanip.c (split_loop_bb): Remove.
16849 * cfgloop.h: Remove the prototype for split_loop_bb.
16851 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16852 * cfgloop.h: Remove the prototype for
16853 flow_loop_outside_edge_p.
16855 * emit-rtl.c (init_virtual_regs): Make it static.
16856 * function.h: Remove the prototype for init_virtual_regs.
16858 * recog.c (peephole2_optimize): Make it static.
16859 * recog.h: Remove the prototype for peephole2_optimize.
16861 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16863 * df-scan.c (df_record_entry_block_defs): Check if
16864 INCOMING_RETURN_ADDR_RTX is defined.
16866 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16867 Kenneth Zadeck <zadeck@naturalbridge.com>
16869 PR rtl-optimization/24762
16870 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16871 * targhooks.c (hook_void_bitmap): New hook prototype.
16872 * targhoohs.h (hook_void_bitmap): Ditto.
16873 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16874 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16875 * target.h (live_on_entry): New function pointer.
16876 * df-scan.c (df_all_hard_regs): Removed.
16877 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16878 (df_scan_free_internal): Added df->entry_block_defs.
16879 (df_scan_alloc): Ditto.
16880 (df_scan_dump): Ditto.
16881 (df_uses_record): Plumbed flag field properly thru calls.
16882 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16883 This part fixes PR24762.
16884 (df_bb_refs_record): Added code to make the frame and arg
16885 pointers live in EH blocks.
16886 (df_refs_record): Added call to df_record_entry_block_defs.
16887 (df_record_entry_block_defs): New function.
16888 * df-core.c: Added comments to describe new artifical defs.
16889 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16890 (entry_block_defs): New field in struct df.
16891 (df_all_hard_regs): Deleted.
16892 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16893 * df-problems.c (df_ru_bb_local_compute_process_def):
16894 Added code to handle artifical defs in the entry to a function.
16895 (df_ru_bb_local_compute): Ditto.
16896 (df_rd_bb_local_compute_process_def): Ditto.
16897 (df_rd_bb_local_compute): Ditto.
16898 (df_lr_bb_local_compute): Ditto.
16899 (df_ur_bb_local_compute): Ditto.
16900 (df_urec_bb_local_compute): Ditto.
16901 (df_chain_create_bb): Ditto.
16902 (df_ur_local_finalize): Removed entry.
16903 (df_urec_init): Ditto.
16904 (df_urec_local_finalize): Ditto.
16905 (df_ri_bb_compute): Added detection of last use of pseudos.
16906 * Makefile.in (df-scan.o): Updated dependencies.
16907 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
16908 * config/mips/mips.c (mips_set_live_on_entry): Added.
16909 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
16911 * dce.c (marked_insn_p): Added code to handle artifical defs.
16913 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16915 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
16917 (_mm_cvtsi128_si64): Likewise.
16918 (_mm_cvtsd_si64): Likewise.
16919 (_mm_cvttsd_si64): Likewise.
16920 (_mm_cvtsi64_sd): Likewise.
16921 (_mm_cvtsi64_si128): Likewise.
16922 * config/i386/mmintrin.h (_m_from_int64): Likewise.
16923 (_mm_cvtsi64_m64): Likewise.
16924 (_m_to_int64): Likewise.
16925 (_mm_cvtm64_si64): Likewise.
16926 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
16927 (_mm_cvttss_si64): Likewise.
16928 (_mm_cvtsi64_ss): Likewise.
16929 (_mm_cvtss_f32): Likewise.
16931 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
16933 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
16934 for pragma redefine_extname.
16936 2006-01-27 Jakub Jelinek <jakub@redhat.com>
16939 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
16940 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
16941 -mno-minimal-toc to previous content.
16942 (bispecs): Remove goal.
16943 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
16944 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
16945 compatibility aliases on powerpc-*-*gnu*.
16946 * config/rs6000/libgcc-ppc-glibc.ver: New file.
16947 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
16948 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
16949 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
16950 (ldblspecs): New goal.
16951 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
16952 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
16954 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
16955 L_sf_to_tf or L_df_to_tf is defined.
16957 2006-01-27 David Edelsohn <edelsohn@gnu.org>
16958 Alan Modra <amodra@bigpond.net.au>
16961 * config/rs6000/linux.h (POWERPC_LINUX): Define.
16962 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
16963 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
16964 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
16965 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
16966 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
16967 (rs6000_override_options): Initialize rs6000_ieeequad.
16968 Initialize TFmode format to ibm_extended_format if not
16970 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
16972 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
16973 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
16974 (function_arg_advance): IBM long double passed in two FPRs, not
16976 (function_arg): IBM long double passed in FPRs.
16977 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
16978 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
16979 Only multireg GPR aligned.
16980 (rs6000_init_libfuncs): Enable IBM long double functions if not
16982 (rs6000_generate_compare): Use IBM long double compare if not
16984 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
16985 (TARGET_IEEEQUAD): Define.
16986 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
16987 not TARGET_IEEEQUAD.
16988 * config/rs6000/rs6000.md: Enable TFmode patterns if
16990 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
16991 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16992 and -mlong-double-128 are incompatible.
16993 * doc/invoke.texi (-mabi): Collect options together. Add
16994 ibmlongdouble and ieeelongdouble.
16996 2006-01-27 Richard Sandiford <richard@codesourcery.com>
16998 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17000 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17001 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17002 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17003 * rtl.h (rtunion_def): Remove rt_ptr.
17005 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17006 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17007 * config/i386/winnt.c (i386_pe_mark_dllexport)
17008 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17010 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17012 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17014 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17018 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17019 pthread_key_delete. From John David Anglin. gthrw-ify
17020 pthread_getunique_np only if it it's not a macro. Delete
17022 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17023 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17024 __gthread_objc_condition_signal, __gthread_key_delete): Add
17025 "__attribute__ ((__unused__))" to unused arguments.
17026 (__gthread_recursive_mutex_init_function): Add missing return.
17027 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17028 gthr-posix95.h: Use macro-based approach for name redirection
17029 on targets missing weakref.
17031 2006-01-26 Zack Weinberg <zackw@panix.com>
17033 * genconditions.c (write_header): In generated code, #ifdef out
17034 all includes and fake declarations, except includes of bconfig.h
17035 and system.h, unless GCC_VERSION >= 3001. Do not include
17036 gensupport.h in any case.
17037 (write_conditions): Generate a definition of struct c_test. Add
17038 a comment to the generated #endif.
17039 (write_one_condition): Escape backslashes in string too.
17040 (write_writer): Generated code must escape backslashes and quote
17041 marks (but not newlines) in the strings it writes.
17042 * Makefile.in (build/gencondmd.o): Update dependencies.
17044 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17047 * Makefile.in (insn-automata.o): Add header file dependencies.
17048 * genautomata.c: Add includes.
17050 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17053 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17055 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17057 * configure.ac: Expect target tools paths to be passed from the toplevel
17058 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17060 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17062 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17065 * c.opt (Wpointer-sign): Init to -1.
17066 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17067 OPT_pedantic, to 0 otherwise.
17068 * doc/invoke.texi: Update.
17070 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17072 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17073 constants provided by 80387 instructions in the destination mode.
17075 2006-01-26 Richard Guenther <rguenther@suse.de>
17076 Andrew Pinski <pinskia@physics.uc.edu>
17079 partial PR tree-opt/17064
17080 * tree-ssa-structalias.c (intra_create_variable_infos):
17081 Create heap variables for incoming parameters if
17082 flag_argument_noalias > 1.
17083 (find_what_p_points_to): Look through default defs of
17086 2006-01-26 Jeff Law <law@redhat.com>
17089 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17090 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17091 within the VR_RANGE, use the VR_RANGE as the result, not the
17093 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17094 bounds for the type.
17096 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17098 * tree-ssa-alias.c (maybe_create_global_var): Change
17099 subvar walking to an assertion that we don't have subvar'd variables.
17101 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17104 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17105 Use a new variable, inner. PARM_DECLs are always non-weak.
17107 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17109 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17110 --disable-checking.
17112 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17114 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17116 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17118 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17119 (smax_insn, smin_insn, smax_0, smin_0): New.
17121 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17124 * config/cris/cris.c (cris_order_for_addsi3): New function.
17125 * config/cris/cris-protos.h: Prototype it.
17126 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17127 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17128 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17129 (split for "op.S1 [rx=rx+i],ry (swapped)")
17130 (split for "op(s|u).S1 [rx=rx+i],ry")
17131 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17132 Apply cris_order_for_addsi3 when generating addsi3 insns.
17134 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17136 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17137 (TREE_BLOCK): Add call to EXPR_CHECK.
17139 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17142 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17143 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17144 (dump_omp_clauses): ... here.
17145 (dump_generic_node): Handle OMP_CLAUSE.
17146 * tree.c (omp_clause_num_ops): New.
17147 (omp_clause_code_name): New.
17148 (tree_code_size): Handle OMP_CLAUSE.
17149 (tree_size): Likewise.
17150 (make_node): Document handling of OMP_CLAUSE.
17151 (tree_node_structure): Handle OMP_CLAUSE.
17152 (omp_clause_check_failed): New.
17153 (omp_clause_range_check_failed): New.
17154 (omp_clause_operand_check_failed): New.
17155 (build_omp_clause): New.
17156 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17157 * tree.h (enum omp_clause_code): Declare.
17158 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17159 (OMP_CLAUSE_RANGE_CHECK): Define.
17160 (OMP_CLAUSE_ELT_CHECK): Define.
17161 (omp_clause_check_failed): Declare.
17162 (omp_clause_operand_check_failed): Declare.
17163 (omp_clause_range_check_failed): Declare.
17164 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17165 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17166 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17167 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17168 (OMP_CLAUSE_IF_EXPR): Likewise.
17169 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17170 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17171 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17172 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17173 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17174 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17175 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17176 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17177 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17178 (OMP_CLAUSE_CODE): Define.
17179 (OMP_CLAUSE_SET_CODE): Define.
17180 (OMP_CLAUSE_CODE): Define.
17181 (OMP_CLAUSE_OPERAND): Define.
17182 (struct tree_omp_clause): Declare.
17183 (union tree_node): Add field 'omp_clause'.
17184 * treestruct.def (TS_OMP_CLAUSE): Define.
17185 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17186 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17187 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17188 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17189 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17190 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17191 (OMP_CLAUSE): Define.
17192 * print-tree.c (print_node): Handle OMP_CLAUSE.
17193 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17194 * c-typeck.c: Likewise.
17195 * gimplify.c: Likewise.
17196 * c-omp.c: Likewise.
17197 * tree-nested.c: Likewise.
17198 * tree-inline.c: Likewise.
17199 * c-parser.c: Likewise.
17200 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17203 2006-01-25 Roger Sayle <roger@eyesopen.com>
17205 PR rtl-optimization/25703
17206 * combine.c (try_combine): Handle zero_extract and strict_low_part
17207 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17209 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17211 * global.c: Fix comment typos.
17213 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17216 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17217 Use output_addr_const instead of assemble_name.
17219 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17221 * Makefile.in (sched-vis.o): Update dependencies.
17222 * haifa-sched.c (sched_finish): Clear current_sched_info.
17223 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17224 (dump_flow_info): Call it.
17225 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17227 * basic-block.h (dump_bb_info): Declare.
17228 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17229 option, and apply options only for dump files whose TDF_RTL,
17230 TDF_TREE, or TDF_IPA bits match.
17231 * rtl.h: Declare new functions exported from sched-vis.c.
17232 * sched-vis.c: Enable also if scheduling is not used.
17233 (print_value): Print the mode of registers if not inside scheduling.
17234 (print_insn): Make it work outside the scheduler. Beautify the output
17236 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17238 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17240 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17241 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17242 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17243 depending on the value of CONSTANT_POOL_ADDRESS_P.
17244 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17246 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17247 rather than SYMBOL_REF_DECL.
17248 (rtx_constant_pool): Remove const_rtx_sym_htab.
17249 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17250 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17251 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17252 Remove handling of const_rtx_sym_htab.
17253 (find_pool_constant): Delete.
17254 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17255 rather than find_pool_constant.
17256 (get_pool_constant_for_function): Delete.
17257 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17258 find_pool_constant.
17259 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17260 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17261 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17262 (SYMBOL_REF_CONSTANT): New macro.
17263 (get_pool_constant_for_function): Delete.
17264 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17265 rather than SYMBOL_REF_DECL.
17266 (i386_pe_mark_dllimport): Likewise.
17267 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17268 rather than SYMBOL_REF_DECL.
17269 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17270 (machopic_indirect_call_target): Likewise.
17272 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17274 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17276 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17278 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17280 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17282 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17284 2006-01-24 David Daney <ddaney@avtrex.com>
17287 * configure.ac (enable_tls): New enable option.
17288 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17289 * configure: Regenerate.
17290 * doc/install.texi (--enable-tls): Document new option.
17291 (--disable-tls): Ditto.
17293 2006-01-24 Richard Henderson <rth@redehat.com>
17295 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17296 * alias.c (true_dependence): Respect it.
17297 (canon_true_dependence, write_dependence_p): Likewise.
17298 * builtins.c (get_builtin_sync_mem): Set it.
17300 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17302 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17305 2006-01-24 DJ Delorie <dj@redhat.com>
17307 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17308 for storing constants in single-bit bitfields.
17310 2006-01-25 Ben Elliston <bje@au.ibm.com>
17312 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17314 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17317 * tree-ssa-pre.c (phi_translate): Return NULL
17318 for AGGREGATE_TYPE's.
17320 2006-01-24 Zack Weinberg <zackw@panix.com>
17322 * genautomata.c (process_state_for_insn_equiv_partition):
17323 Use xcalloc for insn_arcs_array.
17324 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17325 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17327 2006-01-24 Richard Henderson <rth@redhat.com>
17329 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17330 update all callers.
17332 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17334 PR rtl-optimization/25890
17335 PR rtl-optimization/25905
17336 * combine.c (expand_compound_operation, expand_field_assignment):
17337 Fail if the bitfield's final position is out of bounds.
17339 2006-01-24 Ian Lance Taylor <ian@airs.com>
17341 PR middle-end/25930
17342 * cgraphunit.c (cgraph_output_in_order): Don't clear
17343 cgraph_asm_nodes until after asm strings have been output.
17345 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17347 * fix-header.c (read_scan_file): Add new parameter imultilib when
17348 calling register_include_chains.
17350 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17352 * omp-low.c: Update documentation.
17354 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17355 Daniel Berlin <dberlin@dberlin.org>
17359 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17360 return from the function.
17362 2006-01-22 Zack Weinberg <zackw@panix.com>
17364 * rtl.def (match_code): Add second argument.
17365 * genpreds.c (write_extract_subexp): New function.
17366 (write_match_code): Add path argument. Use write_extract_subexp.
17367 (write_predicate_expr): Pass path to write_match_code.
17368 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17369 not perform a mode test.
17370 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17371 a subexpression does not constrain the top-level code set.
17372 * read-rtl.c (read_rtx_variadic): New function.
17373 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17374 * doc/md.texi: Document new notation.
17375 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17376 (cmpsi_operand): ... here, using new notation.
17378 2006-01-22 Zack Weinberg <zackw@panix.com>
17380 * varray.c: Remove GENERATOR_FILE #ifdefs.
17382 2006-01-22 Zack Weinberg <zackw@panix.com>
17384 * genautomata.c (output_reserved_units_table): Emit nothing if
17385 description->query_units_num is zero. Remove extra blank line.
17386 (output_cpu_unit_reservation_p): Short circuit
17387 if description->query_units_num is zero.
17389 2006-01-22 Zack Weinberg <zackw@panix.com>
17391 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17392 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17393 nor any of the random handful of variables that used to be necessary
17394 when this program was linked with rtlanal.o. Prune set of forward
17395 function declarations.
17396 (struct attr_desc): Remove static_p field.
17397 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17398 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17399 (attr_string): Do not read the character one past the length of
17401 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17402 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17403 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17404 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17405 (make_automaton_attrs): New.
17406 (main): Do not call into genautomata. Call local gen_bypass
17407 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17408 Remove special case for insn_alts.
17409 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17410 varray.h (leftover from previous change). Prune set of forward
17411 function declarations. Remove state_alts fields from all
17412 structures. Remove state_alts_table from struct automaton.
17413 Make everything except main static. Do not maintain num_dfa_decls.
17414 Do not maintain state_alts fields of various structures.
17415 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17416 (add_arc): Remove state_alts argument. All callers updated.
17417 (output_reserved_units_table): Emit #ifdef here...
17418 (output_tables): ...not here. Don't generate state_alts tables.
17419 (expand_automata): Don't generate attributes.
17420 (write_automata): Don't generate state_alts functions.
17421 (main): New function.
17422 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17423 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17424 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17425 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17426 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17427 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17428 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17429 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17431 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17432 * genattrtab.h: Delete file.
17433 * Makefile.in (OBJS-common): Add insn-automata.o.
17434 (insn-automata.o): New rule.
17435 (simple_generated_c): Add insn-automata.c.
17436 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17437 (genprogmd): Add automata.
17438 (build/genattrtab): Needs no extra objects nor libraries.
17439 (build/genautomata): Needs build/vec.o and -lm.
17441 2006-01-22 Zack Weinberg <zackw@panix.com>
17443 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17444 (output_dfa_max_issue_rate, locked_states_num): Delete.
17445 (struct automaton): Add locked_states field.
17446 (output_dead_lock_vect): Save number of locked states in
17447 automaton->locked_states. If it is zero, don't print anything.
17448 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17449 (output_internal_dead_lock_func): Only test the dead_lock_vect
17450 for automata that have locked states.
17451 (output_statistics): Always print the number of locked states for
17452 each automaton. Calculate total number of locked states here.
17453 (write_automata): Don't call output_dfa_max_issue_rate.
17454 * genattrtab.c: Define length_unit_log as a const variable.
17455 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17456 max_insn_queue_index const.
17457 * final.c (length_unit_log): Declare const.
17458 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17460 2006-01-22 Zack Weinberg <zackw@panix.com>
17462 * genautomata.c: Include vec.h, not varray.h.
17463 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17464 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17465 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17466 VEC_* macros operating on appropriately typed vectors, or to
17467 malloced arrays when the size is known in advance. Const-ify
17468 many char* variables and function arguments. No functional changes.
17469 * Makefile.in (build/varray.o): Delete rule.
17470 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17471 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17473 2006-01-22 Zack Weinberg <zackw@panix.com>
17475 * gensupport.c: Define get_insn_name and record_insn_name here.
17476 (read_md_rtx): Call record_insn_name as appropriate.
17477 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17478 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17479 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17481 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17482 (BUILD_VARRAY): Delete.
17483 (genprognormal): Rename genprogmd. Fold in all programs from
17484 genprognoprint; also attrtab.
17485 (build/genattrtab): Just mention genautomata.o and varray.o.
17486 Reorganize a bit, add comments to make the categories clearer.
17488 2006-01-22 Zack Weinberg <zackw@panix.com>
17490 * genconditions.c (condition_table, add_condition): Delete.
17491 (write_conditions): Don't emit n_insn_conditions nor
17492 insn_elision_unavailable. Issue the gcc version #ifdef here,
17493 inside the table, with no #else clause ...
17494 (write_header): ...not here.
17495 (write_writer): New function.
17496 (main): Don't initialize condition_table. Use add_c_test.
17498 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17499 files on the command line.
17500 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17501 Return -1 if there is no entry in the table, don't abort.
17502 (add_c_test, traverse_c_tests): New functions.
17503 * gensupport.h (insn_elision_unavailable, insn_conditions)
17504 (n_insn_conditions): Delete declarations.
17505 (add_c_test, traverse_c_tests): Declare.
17506 * read-rtl.c: Include gensupport.h.
17507 (read_conditions): New function.
17508 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17509 (read_rtx_1): If we get EOF when we were looking for an initial
17510 open paren, return 0. Call read_conditions when appropriate.
17511 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17512 dummy-conditions.o. Eliminate references to insn-conditions.o,
17513 or change them to build/gencondmd.o, as appropriate. Remove
17514 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17515 from $(simple_generated_c). For all files remaining in those
17516 two lists, add insn-conditions.md to the generator command line.
17517 Give insn-constants.h/s-constants their own rules. Add rules
17518 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17519 (build/read-rtl.o): Depend on gensupport.h.
17520 (genprognormal): Include preds.
17521 (genprogearly): Rename genprognoprint; only difference is now that
17522 they don't link with $(BUILD_PRINT).
17523 * dummy-conditions.c: Delete.
17525 2006-01-22 Zack Weinberg <zackw@panix.com>
17527 * genextract.c: Don't include insn-config.h. Do include vec.h.
17528 Declare vectors of int, char, and locstr.
17529 (locstr): New typedef.
17530 (struct extraction): Make all array fields into bare pointers.
17531 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17532 (insn_code_number): Delete.
17533 (accum_extract): New struct.
17534 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17535 (gen_insn): Take insn_code_number as an argument. Use an
17536 accum_extract structure instead of loading data directly into
17537 a struct extraction, and having to know how big it might get.
17538 (walk_rtx): Operate entirely on an accum_extract structure.
17539 (print_path): Avoid unnecessary use of printf.
17540 (print_header): New function, split out of main. Distinguish
17541 more carefully between an unrecognizable insn and an insn that
17542 has the code number of a define_expand.
17543 (main): Pass insn_code_number to gen_insn. Call print_header
17544 only after parsing. Avoid unnecessary use of printf.
17545 * Makefile.in (build/vec.o): New rule.
17546 (build/genextract): Depend on build/vec.o.
17547 (build/genextract.o): Don't depend on insn-config.h.
17549 2006-01-22 Zack Weinberg <zackw@panix.com>
17551 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17552 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17553 practical. Eliminate per-generator-program link rules.
17555 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17557 PR middle-end/24437
17558 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17559 with a call expr to ...
17560 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17562 2006-01-23 Richard Guenther <rguenther@suse.de>
17564 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17565 before make_edge with conditional EDGE_TRUE_VALUE.
17567 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17568 Jan Hubicka <jh@suse.cz>
17569 Richard Guenther <rguenther@suse.de>
17571 PR rtl-optimization/25654
17572 * cfgexpand.c (aggregate_contains_union_type): New function.
17573 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17574 for structure variables that contain a union type.
17576 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17578 * gengtype.c (new_structure): Return the structure.
17579 (create_option): Add an extra "next" argument.
17580 (create_field): New function.
17581 (adjust_field_rtx_def): Use create_option and create_field.
17582 Remove a now-unnecessary call to find_structure.
17583 (adjust_field_tree_def): Likewise.
17584 (note_yacc_type): Remove an unnecessary call to find_structure.
17585 * gengtype.h (new_structure): Return the structure.
17586 (create_option): Add an extra argument.
17587 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17588 (option): Adjust calls to create_option.
17590 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17592 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17594 2006-01-22 Paul Brook <paul@codesourcery.com>
17595 Peter Barada <peter@the-baradas.com>
17597 * config/m68k/m68k.md: Add Coldfire FPU support.
17598 Define FP mode macro and associated attributes.
17599 Use it for float mode patterns.
17600 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17601 (LIBCALL_VALUE): Use m68k_libcall_value.
17602 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17603 (m68k_function_value): Ditto.
17604 (emit_move_sequence): Ditto.
17605 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17606 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17607 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17608 (MULTILIB_EXCEPTIONS): Ditto.
17609 * config/m68k/m68k.opt: Add mcfv4e.
17610 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17611 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17612 (m68k_output_function_prologue): Save ColdFire FPU registers.
17613 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17614 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17615 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17616 ColdFire FPU registers.
17617 (m68k_libcall_value, m68k_function_value): New functions.
17618 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17619 (LIBCALL_VALUE): Use m68k_libcall_value.
17620 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17621 (MASK_COLDFIRE): Add MASK_CFV4E.
17622 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17623 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17624 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17625 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17626 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17627 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17628 * doc/invoke.tex: Document -mcfv4e on m68k.
17630 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17632 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17635 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17638 * c-opts.c (c_common_handle_option): Don't include
17639 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17640 * doc/invoke.texi (C++ Dialect Options): Document that
17641 -Wnon-virtual-dtor is no longer included in -Wall.
17643 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17645 * gcov.c (print_version), gcov-dump.c (print_version),
17646 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17649 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17651 * df-scan.c (problem_SCAN): Added NULL reset function.
17652 (df_scan_reset_blocks): Added code to call reset block function
17653 (df_bb_refs_delete) Fixed comment.
17654 (df_insn_refs_delete): Made tolerant of deleting non existent info
17655 for dataflow problems that need to be reset.
17656 * df-core.c (df_set_blocks): Ditto.
17657 * df.h (struct df_problem): Added reset_fun.
17658 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17659 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17660 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17661 functions to clear out all references to def-use or use-def chains.
17663 2006-01-21 Ben Elliston <bje@au.ibm.com>
17665 * varasm.c (assemble_real): Initialise data array.
17667 2006-01-20 Paul Brook <paul@codesourcery.com>
17669 Merge from csl-arm-branch.
17670 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17671 * config/arm/arm.md (movdi): Force operands[1] to a register
17672 if we have a non-register source.
17673 (*arm_movdi, *movdf_soft_insn): Require that one of the
17674 operands be a register.
17675 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17676 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17678 2006-01-20 DJ Delorie <dj@redhat.com>
17680 * varasm.c (initializer_constant_valid_p): Allow pointers
17681 initialized from integer constants of lesser precision.
17682 (output_constant): Allow non-int-sized pointer modes to be
17683 initialized from integer constants.
17685 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17688 * cppdefault.h (struct default_include): Add multilib flag.
17689 * cppdefault.c (cpp_include_defaults): Set it.
17690 * c.opt (-imultilib): New option.
17691 * c-opts.c (imultilib): New.
17692 (c_common_handle_option): Handle -imultilib.
17693 (c_common_post_options): Likewise.
17694 * c-incpath.c (add_standard_paths, register_include_chains):
17696 * c-incpath.h (register_include_chains): Add extra parameter.
17697 * gcc.c (do_spec_1): Generate -imultilib option.
17698 (The Specs Language): Update %I description.
17699 (process_command): Update copyright notice.
17700 * doc/cppopts.texi (-imultilib): Document.
17701 * doc/invoke.texi (-imultilib): Include in option summary.
17702 (%I): Update specs documentation.
17704 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17706 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17708 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17710 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17713 2006-01-20 Richard Guenther <rguenther@suse.de>
17714 Steven Bosscher <stevenb.gcc@gmail.com>
17716 PR rtl-optimization/24626
17717 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17718 EDGE_TRUE_VALUE if in RTL mode.
17721 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17722 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17724 2006-01-20 Dirk Mueller <dmueller@suse.com>
17727 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17728 instead of a special NOP marker.
17729 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17730 NOP marker handling.
17731 * c-common.h (empty_body_warning): Add forward declaration.
17732 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17733 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17735 2006-01-20 Paul Brook <paul@codesourcery.com>
17737 * Makefile.in (lang_checks): Keep going if mkdir fails.
17739 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17741 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17742 be able to clean out basic block when not necessary.
17743 (df_scan_free): Fixed to properly delete information if df is
17744 unused before calling df_finish.
17745 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17746 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17748 (df_bb_refs_delete): New function.
17749 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17750 * df-core.c (df_set_blocks): Added code to properly clean out
17751 unused blocks if they are not part of the blocks to consider.
17752 Added additional null check.
17753 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17754 be able to clean out basic block when not necessary
17755 * df.h (df_free_bb_function): Ditto.
17756 (df_bb_refs_delete): New function.
17757 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17758 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17759 basic block parameter to be able to clean out basic block when not
17761 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17762 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17763 Fixed to properly delete information if df is unused before
17766 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17768 PR rtl-optimization/25799
17769 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17770 Corrected confluence operator to remove bits from op2 before oring
17771 with op1 rather than removing bits from op1.
17772 (df_ru_transfer_function): Corrected test on wrong bitmap which
17773 caused infinite loop. Both of these problems were introduced in
17774 the dataflow rewrite.
17776 2006-01-19 DJ Delorie <dj@redhat.com>
17778 * reload1.c (find_reload_regs): Note the details of reload
17779 failures in the dump file.
17780 (spill_failure): Likewise.
17782 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17784 * loop-iv.c: Include df.h and hashtab.h.
17785 (enum iv_grd_result): New enum.
17786 (DF_REF_IV, DF_REF_IV_SET): New macros.
17787 (struct biv_entry): New.
17788 (df, bivs): New global variables.
17789 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17790 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17792 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17793 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17794 analyzed_for_bivness_p, record_biv): New functions.
17795 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17796 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17797 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17799 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17801 (iv_number_of_iterations): Use new interface to iv analysis.
17802 * loop-unroll.c: Do not include varray.h.
17803 (analyze_iv_to_split_insn): Use new interface to iv
17805 * loop-unswitch.c (may_unswitch_on): Ditto.
17806 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17808 (df_bb_modify): Realloc tables to the new index.
17809 (df_find_use): New function.
17810 * df.h (df_find_use): Declare.
17811 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17813 * cfgloop.h (struct rtx_iv): Remove analysed field.
17814 (iv_get_reaching_def): Removed.
17815 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17816 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17817 (loop-iv.o): Add df.h and hashtab.h dependency.
17818 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17820 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17823 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17825 (__floatundisf, __floatundidf): Likewise.
17826 * libgcc2.h (IS_IBM_EXTENDED): Define.
17828 2006-01-19 DJ Delorie <dj@redhat.com>
17830 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17832 2006-01-19 Paul Brook <paul@codesourcery.com>
17834 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17835 as nothrow when unwinding tables are disabled.
17837 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17840 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17841 of bit-field" when in system header.
17843 2006-01-19 DJ Delorie <dj@redhat.com>
17845 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17846 the 16 bit shift limit of the m16c.
17848 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17851 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17852 * config/i386/i386.c (output_set_got): Output the label if we have one
17853 for the TARGET_DEEP_BRANCH_PREDICTION case.
17855 2006-01-19 Jan Hubicka <jh@suse.cz>
17856 H.J. Lu <hongjiu.lu@intel.com>
17857 Evandro Menezes <evandro.menezes@amd.com>
17859 * invoke.texi (generic): Document
17861 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17862 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17863 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17864 (x86_use_incdec, x86_pad_returns): New variables
17865 (TARGET_CPU_DEFAULT_generic): New constant
17866 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17867 (enum processor_type): Add generic32 and generic64.
17868 * i386.md (cpu attribute): Add generic32/generic64
17869 (movhi splitter): Behave sanely when both partial_reg_dependency and
17870 partial_reg_stall are set.
17871 (K8 splitters): Enable for generic as well.
17872 * predicates.md (incdec_operand): Use TARGET_INCDEC
17873 (aligned_operand): Avoid memory mismatch stalls.
17874 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17875 * ppro.md: Enable for generic32
17876 * i386.c (generic64_cost, generic32_cost): New.
17877 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17878 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17879 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17880 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17881 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17882 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17883 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17884 x86_accumulate_outgoing_args, x86_prologue_using_move,
17885 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17886 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17887 Enable for generic.
17888 (x86_use_incdec, x86_pad_returns): New.
17889 (override_options): Add generic32 and generic64, translate "generic"
17890 to generic32/generic64 and "i686" to "generic32", refuse
17891 "generic32"/"generic64" as arch target.
17892 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17893 (ix86_reorg): Honor PAD_RETURNS.
17895 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17897 * tree-pretty-print.c (dump_generic_node): Handle
17898 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17899 * cgraph.c (cgraph_expand_queue): Rename from
17900 cgraph_analyze_queue. Update all users.
17901 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17902 cgraph_expand_queue.
17903 (cgraph_expand_all_functions): Likewise.
17904 (cgraph_finalize_pending_functions): Remove. Update callers.
17906 * tree.h (OMP_DIRECTIVE_P): Define.
17907 (OMP_PARALLEL_FN): Define.
17908 (OMP_PARALLEL_DATA_ARG): Define.
17909 (OMP_SECTIONS_SECTIONS): Define.
17910 * tree-pass.h (pass_expand_omp): Declare.
17911 * omp-low.c (struct omp_region): Declare.
17912 (struct omp_context): Remove fields 'parallel_type',
17913 'parallel_start_ix' and 'parallel_start_additional_args'.
17915 (struct omp_for_data): Rename from struct expand_omp_for_data.
17916 (omp_regions): New static variable.
17917 (root_omp_region): New static variable.
17918 (find_omp_clause): Make static.
17919 (is_in_combined_parallel_ctx): Remove.
17920 (is_combined_parallel): New.
17921 (extract_omp_for_data): Move earlier in the file.
17922 (workshare_safe_to_combine_p): New.
17923 (get_ws_args_for): New.
17924 (determine_parallel_type): Move earlier in the file.
17925 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
17927 (omp_copy_decl): Likewise.
17928 (create_omp_child_function): Likewise.
17929 (lookup_omp_region): New.
17930 (dump_omp_region): New.
17931 (debug_omp_region): New.
17932 (debug_all_omp_regions): New.
17933 (new_omp_region): New.
17934 (scan_omp_parallel): If parallel_nesting_level > 1, the
17935 directive is nested within another parallel directive.
17936 Set OMP_PARALLEL_FN.
17937 (scan_omp_for): Do not try to handle combined parallel+for
17939 Remove FIXME comment.
17940 (scan_omp_nested): Remove.
17941 (scan_omp_1): Do not call scan_omp_nested when
17942 parallel_nesting_level is > 1.
17943 Do not change the DECL_CONTEXT of local variables found.
17944 (lookup_decl_in_outer_ctx): New.
17945 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
17946 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
17947 (lower_reduction_clauses): Rename from expand_reduction_clauses.
17948 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
17949 If CTX is nested, lookup VAR in the outer context when
17950 building copy assignment.
17951 (lower_send_clauses): Rename from expand_send_clauses.
17952 If CTX is nested, lookup VAR in the outer context when
17953 building copy assignments.
17954 (lower_send_shared_vars): Rename from expand_send_shared_vars.
17955 If CTX is nested, lookup VAR in the outer context when
17956 building copy assignments.
17957 (expand_parallel_call): Rename from build_parallel_call.
17958 Handle combined parallel+workshare cases.
17959 Re-implement to emit code into the CFG.
17961 (expand_omp_parallel): Re-implement to emit code into the CFG.
17962 Call move_sese_region_to_fn to outline the sub-graph
17963 containing the parallel region.
17964 (expand_omp_for_1): Remove.
17965 (expand_omp_for_generic): Re-implement to emit code into the
17967 (expand_omp_for_static_nochunk): Likewise.
17968 (expand_omp_for_static_chunk): Likewise.
17969 (expand_omp_for): Likewise.
17970 (expand_omp_sections): Likewise.
17971 (remove_exit_barriers): New.
17972 (expand_omp_synch): New.
17974 (build_omp_regions_1): New.
17975 (build_omp_regions): New.
17976 (execute_expand_omp): New.
17977 (gate_expand_omp): New.
17978 (pass_expand_omp): Define.
17979 (lower_omp_sections): Rename from expand_omp_sections.
17980 Set OMP_SECTIONS_SECTIONS.
17981 (lower_omp_single_simple): Rename from expand_omp_single_simple.
17982 (lower_omp_single_copy): Rename from expand_omp_single_copy.
17983 (lower_omp_single): Rename from expand_omp_simple.
17984 (lower_omp_master): Rename from expand_omp_master.
17985 (lower_omp_ordered): Rename from expand_omp_ordered.
17986 (lower_omp_critical): Rename from expand_omp_critical.
17987 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
17988 (lower_omp_for): Re-implement.
17989 (lower_omp_parallel): Re-implement.
17990 (lower_regimplify): Rename from expand_regimplify.
17991 (lower_omp_1): Rename from expand_omp_1.
17992 If there are syntax errors in the program, replace every
17993 OpenMP directive with NOP.
17994 Call lower_omp_* instead of expand_omp_*.
17995 (lower_omp): Rename from expand_omp.
17997 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
17998 * tree-gimple.h (enum omp_parallel_type): Remove.
17999 (gimple_boolify): Declare extern.
18000 (find_omp_clause, determine_parallel_type): Remove.
18002 * gimple-low.c (lower_omp_directive): New.
18003 (lower_stmt): Call it.
18004 (record_vars_into): Move from ...
18005 (record_vars): ... here.
18006 Call record_vars_into with current_function_decl.
18008 * gimplify.c (struct gimplify_ctx): Remove fields
18009 combined_pre_p and combined_ctxp. Update users.
18010 (get_formal_tmp_var): Add documentation.
18011 (gimple_boolify): Make extern.
18012 (gimplify_expr_in_ctx): Remove. Update callers.
18013 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18014 will always be a BIND_EXPR.
18015 (gimplify_expr): Handle OMP_RETURN_EXPR.
18016 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18017 (OMP_PARALLEL): Add 3 operands.
18018 (OMP_SECTIONS): Add 1 operand.
18019 (OMP_RETURN_EXPR): Define.
18021 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18022 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18023 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18024 creating a circular free list.
18025 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18027 * tree-flow.h (move_sese_region_to_fn): Declare.
18028 (record_vars_into): Declare.
18029 * tree-cfg.c (make_omp_sections_edges): New.
18030 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18031 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18032 OMP_SECTIONS and OMP_SECTION.
18033 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18034 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18035 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18036 (gather_blocks_in_sese_region): New.
18037 (struct move_stmt_d): Declare.
18038 (move_stmt_r): New.
18039 (move_block_to_fn): New.
18040 (move_sese_region_to_fn): New.
18042 * passes.c (init_optimization_passes): Schedule
18043 pass_expand_omp after pass_init_datastructures.
18045 * tree-ssa-operands.c (get_expr_operands): Handle
18046 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18047 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18049 2006-01-19 Jeff Law <law@redhat.com>
18051 * tree-vrp.c (extract_range_from_assert): Refine the result range
18052 if the variable referenced by the ASSERT_EXPR has a range and
18053 either the tentative result range or the previous range is a
18056 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18058 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18060 2006-01-19 Jan Hubicka <jh@suse.cz>
18062 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18064 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18066 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18067 (expand_compound_operation, expand_field_assignment): Fail if the
18068 bit lengths of an extract operation are out of range.
18069 (make_extraction): Compute wanted_inner_mode based on the position
18070 and length of the extraction. Make it extraction_mode for non-constant
18071 positions, and do not modify offset in that case. When generating a
18072 new MEM, use a mode that can hold the extraction while keeping correct
18073 alignment. Remove code that supported MEMs wrapped by USEs.
18074 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18076 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18078 * config/s390/s390.md ("Y", "y"): New mode attribute.
18079 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18080 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18081 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18082 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18083 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18084 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18085 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18086 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18087 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18088 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18089 "addsi3", "subsi3"): Insn patterns removed.
18090 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18091 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18092 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18093 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18094 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18095 "*sub<mode>3_cconly2"): New insn patterns.
18096 ("addsi3", "subsi3"): New expanders.
18098 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18100 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18101 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18102 existing STMT_VINFO_VECTYPE if available.
18103 (vect_mark_relevant): Add special handling for stmts that are
18104 marked as STMT_VINFO_IN_PATTERN_P.
18105 (vect_analyze_loop): Call vect_pattern_recog.
18106 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18107 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18109 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18110 (vect_recog_func_ptr): New function-pointer type.
18111 * tree-vect-patterns.c: New file.
18112 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18113 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18114 (vect_pattern_recog_1): New functions.
18115 (vect_pattern_recog_funcs): New array of function pointers.
18117 * tree-vectorizer.h (ternary_op): New enum value.
18118 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18119 declaration. Revised documentation. Removed redundant dump prints.
18120 Removed redundant argument. Added support for reduction patterns.
18121 (vectorizable_reduction): Added support for reduction patterns.
18122 (vect_transform_stmt): Added support for patterns.
18124 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18125 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18126 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18127 (expand_widen_pattern_expr): New function.
18128 (init_optabs): Initialize new optabs udot_prod_optab,
18130 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18131 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18132 (expand_widen_pattern_expr): New function declaration.
18133 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18135 * tree-inline.c (estimate_num_insns_1): Added cases for new
18136 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18137 * tree-pretty-print.c (dump_generic_node): Likewise.
18138 (op_prio): Likewise.
18139 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18140 * tree-ssa-operands.c (get_expr_operands): Added case for
18142 * tree-vect-patterns.c (widened_name_p): New function.
18143 (vect_recog_dot_prod_pattern): Added function implementation.
18144 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18145 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18146 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18147 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18149 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18150 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18151 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18152 (init_optabs): Initialize new optabs widen_ssum_optab,
18154 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18155 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18156 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18157 use instead of type of def.
18158 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18159 function implementation.
18160 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18161 widen_ssumv8hi): New.
18163 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18166 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18169 * c-decl.c (add_flexible_array_elts_to_size): New function.
18170 (finish_decl): Use it.
18172 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18174 * diagnostic.h: Include options.h.
18175 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18176 dependancies for diagnostic.h.
18177 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18179 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18181 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18182 (ssa_ro_call_cache_valid): Ditto.
18183 * tree-ssa-alias.c (sort_tags_by_id): New function.
18184 (init_transitive_clobber_worklist): Ditto.
18185 (add_to_worklist): Ditto.
18186 (mark_aliases_call_clobbered): Ditto.
18187 (compute_tag_properties): Ditto.
18188 (set_initial_properties): Ditto.
18189 (compute_call_clobbered): Ditto.
18190 (compute_may_aliases): Call compute_call_clobbered and grouping.
18191 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18192 (compute_flow_insensitive_aliasing): Grouping now happens in our
18194 (setup_pointers_and_addressables): Remove clobbering related code.
18195 (add_may_alias): Ditto.
18196 (replace_may_alias): Ditto.
18197 (get_nmt_for): Ditto.
18198 (create_global_var):
18199 (is_escape_site): Return an escape_type enumeration.
18200 * tree-flow-inline.h (is_call_clobbered): Global var does not
18201 imply call clobbered.
18202 (mark_call_clobbered): Take a reason for marking this. Remove
18203 marking of globalness, and cache invalidation.
18204 (clear_call_clobbered): Remove cache invalidation code.
18205 * tree-dfa.c (dump_variable): If details is on, dump the reason
18207 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18209 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18210 (struct var_ann_d): Ditto.
18211 (enum escape_type): New.
18212 (mark_call_clobbered): Adjust prototype.
18213 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18214 are never call clobbered.
18215 Record reasons for escaping.
18216 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18217 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18218 (ssa_ro_call_cache_valid): Ditto.
18219 (clobbered_v_may_defs): Ditto.
18220 (clobbered_vuses): Ditto.
18221 (ro_call_vuses): Ditto.
18222 (clobber_stats): New.
18223 (init_ssa_operands): Zero out clobber stats.
18224 (fini_ssa_operands): Print out clobber stats.
18225 (get_call_expr_operands): Pass callee fndecl to
18226 add_call_read_ops).
18227 (add_call_clobber_ops): Remove use of cache.
18228 Add use of PURE_CONST information.
18229 (add_call_read_ops): Remove use of cache.
18230 Add use of static not_read information.
18232 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18234 Introduce TLS descriptors for i386 and x86_64.
18235 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18236 (TARGET_ANY_GNU_TLS): New macro.
18237 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18238 (struct machine_function): Add tls_descriptor_call_expanded_p.
18239 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18240 (ix86_current_function_calls_tls_descriptor): Likewise.
18241 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18242 (override_options): Introduce gnu2 tls dialect.
18243 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18245 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18247 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18248 (ix86_init_machine_status): Initialize new field.
18249 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18250 (ix86_tls_module_base): New.
18251 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18252 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18253 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18254 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18255 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18256 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18257 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18258 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18259 * config/i386/predicates.md (tls_modbase_operand): New.
18260 (tp_or_register_operand): New.
18262 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18264 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18265 (look_for_address_of): Ditto.
18266 (ipa_init): Walk the function decls.
18267 (static_execute): Don't set readonly on FUNCTION_DECL's.
18269 2006-01-18 Roger Sayle <roger@eyesopen.com>
18271 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18272 for shifts where the source and destination registers are different.
18274 2006-01-18 Paul Brook <paul@codesourcery.com>
18276 Merge from csl-arm-branch.
18277 2005-03-14 Julian Brown <julian@codesourcery.com>
18278 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18279 (aeabi_llsl): Likewise.
18280 (ashrdi3): Likewise.
18281 (aeabi_lasr): Likewise.
18282 (lshrdi3): Likewise.
18283 (aeabi_llsr): Likewise.
18284 2005-03-10 Julian Brown <julian@codesourcery.com>
18285 * config.gcc: Disable shared libgcc for SymbianOS.
18286 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18288 2006-01-18 DJ Delorie <dj@redhat.com>
18290 * c-pragma.c (handle_pragma_diagnostic): New.
18291 (init_pragma): Register it.
18292 * doc/extend.texi: Document it.
18294 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18295 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18296 (diagnostic_context): Add classify_diagnostic[].
18297 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18298 as errors if they're overridden to DK_WARNING.
18299 (diagnostic_initialize): Initialize classify_diagnostic[].
18300 (diagnostic_set_kind_override): New.
18301 (diagnostic_report_diagnostic): Check for kind changes.
18302 * opts.c (common_handle_option): Take lang_mask. Update callers.
18303 Handle OPT_Werror_.
18304 * common.opt (Werror=): New.
18305 * doc/invoke.texi: Document -Werror=*
18307 2006-01-18 Jeff Law <law@redhat.com>
18309 * tree-vrp.c (test_for_singularity): Correct test for new
18310 min limit. Use operand_equal_p rather than pointer equality
18311 for testing if new min/max values are equal.
18313 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18314 using range information until after propagation and folding.
18316 2006-01-18 Richard Henderson <rth@redhat.com>
18317 Aldy Hernandez <aldyh@redhat.com>
18318 Jakub Jelinek <jakub@redhat.com>
18319 Diego Novillo <dnovillo@redhat.com>
18321 * omp-low.c: New file.
18322 * c-omp.c: New file.
18324 2006-01-18 Richard Henderson <rth@redhat.com>
18325 Jakub Jelinek <jakub@redhat.com>
18326 Diego Novillo <dnovillo@redhat.com>
18328 * doc/invoke.texi: Document -fopenmp.
18329 * tree-dump.h (debug_function): Declare.
18330 * hooks.c (hook_bool_tree_bool_false): New function.
18331 (hook_tree_tree_null): Remove.
18332 (hook_tree_tree_tree_null): New.
18333 * hooks.h: Update to match.
18334 * tree-pretty-print.c (debug_tree_chain): New.
18335 (print_generic_expr): Handle TDF_CHAIN.
18336 (dump_generic_node): Handle BLOCK.
18337 Do not abort with incomplete SWITCH_EXPRs.
18338 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18339 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18340 print space after directive name.
18341 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18342 Handle OMP_MASTER and OMP_ORDERED.
18343 Handle printing of OMP_BODY just in one place, goto
18344 dump_omp_body in the rest of OMP_* nodes that have
18346 Don't handle clause nodes here. Update omp statements to
18347 use dump_omp_clauses.
18348 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18349 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18350 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18351 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18352 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18353 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18354 Adjust output for GOMP_PARALLEL.
18355 (dump_omp_clauses): New.
18356 (print_declaration): Dump DECL_VALUE_EXPR.
18357 (op_symbol_1): Split out of op_symbol.
18358 (dumping_stmts): Remove. Update all users.
18359 * cgraph.c (cgraph_analyze_queue): New.
18360 (cgraph_add_new_function): New.
18361 * cgraph.h (cgraph_analyze_queue): Declare.
18362 (cgraph_add_new_function): Declare.
18363 (cgraph_lower_function): Remove.
18364 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18365 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18366 and TYPE_P nodes in its default clause.
18367 (empty_body_p): New.
18368 (tree_range_check_failed): New.
18369 (build5_stat): New.
18370 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18371 OMP_CLAUSE_REDUCTION_MERGE,
18372 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18373 OMP_CLAUSE_PRIVATE_DEBUG,
18374 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18375 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18376 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18377 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18378 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18379 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18380 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18381 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18382 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18383 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18384 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18385 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18386 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18387 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18388 (TREE_RANGE_CHECK): New.
18389 (empty_body_p): Declare.
18390 (enum omp_clause_default_kind): New.
18391 (build_string_literal): Declare.
18392 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18393 (build5_stat, build5): Declare.
18394 * tree-pass.h (TDF_CHAIN): Define.
18395 * tree-pass.h (PROP_gimple_lomp): Define.
18396 (pass_lower_omp): Declare.
18397 * diagnostic.h (debug_tree_chain): Declare.
18398 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18400 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18401 * builtins.c (build_string_literal): Make extern.
18402 * gcc.c (include_spec_function): New.
18403 (static_spec_functions): Add it.
18404 (main): Move load of libgomp.spec ...
18405 (LINK_COMMAND_SPEC): ... here.
18406 (link_gomp_spec): New.
18407 (static_specs): Include it.
18408 (LINK_COMMAND_SPEC): Add link_gomp.
18409 (GOMP_SELF_SPECS): New.
18410 (driver_self_specs): Include it.
18411 (switch_matches): Don't mark inline.
18412 (main): Load libgomp.spec.
18413 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18414 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18415 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18416 * tree-gimple.h (enum omp_parallel): Declare.
18417 (determine_parallel_type): Declare.
18418 (omp_firstprivatize_variable): Declare.
18419 (omp_reduction_init): Declare.
18420 (diagnose_omp_structured_block_errors): Declare.
18421 (struct walk_stmt_info): Add want_return_expr.
18422 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18423 (find_omp_clause): Declare.
18424 (insert_field_into_struct): Declare.
18425 (struct walk_stmt_info): Move from tree-nested.c
18426 (walk_stmts): Declare.
18427 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18429 * cgraphunit.c (cgraph_lower_function): Make static.
18430 (cgraph_finalize_pending_functions): New.
18431 (cgraph_finalize_function): Call it.
18432 (cgraph_finalize_compilation_unit): Likewise.
18433 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18434 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18435 (BT_FN_UINT_UINT): New.
18436 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18437 DEF_FUNCTION_TYPE_VAR_4): Document.
18438 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18439 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18440 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18441 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18442 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18443 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18444 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18445 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18446 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18447 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18448 into separate files.
18449 (DEF_GOMP_BUILTIN): New.
18450 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18451 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18452 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18453 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18454 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18455 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18456 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18457 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18458 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18459 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18460 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18461 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18462 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18463 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18464 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18465 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18466 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18467 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18468 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18469 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18470 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18471 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18472 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18473 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18474 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18475 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18476 * sync-builtins.def: New file, moved from builtins.def.
18477 * omp-builtins.def: New file, moved from builtins.def.
18478 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18479 * gimple-low.c (lower_function_body): Clear data.
18480 (lower_stmt): Do not handle COMPOUND_EXPR.
18481 Remove call to print_node_brief.
18482 * c-tree.h (c_finish_omp_clauses): New prototype.
18483 (C_DECL_THREADPRIVATE_P): Define.
18484 (lookup_name_no_remap, c_omp_remap_private): Remove
18485 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18486 (check_for_loop_decls): Update decl.
18487 (lookup_name_no_remap, c_omp_remap_private): Declare.
18488 (build_indirect_ref, build_modify_expr, pushdecl,
18489 pushdecl_top_level): Move to c-common.h.
18490 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18491 before the switch, but just in the 2 places that need it.
18492 * c-decl.c (diagnose_mismatched_decls): Do not check for
18493 mismatched thread-local attributes when OLDDECL is marked
18494 threadprivate and NEWDECL has no thread-local attributes.
18495 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18496 (c_gimple_diagnostics_recursively): Rename from
18497 c_warn_unused_result_recursively. Invoke
18498 diagnose_omp_structured_block_errors.
18499 (check_for_loop_decls): Return a singular decl found.
18500 * langhooks.c (lhd_omp_predetermined_sharing): Return
18501 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18502 (lhd_omp_firstprivatize_type_sizes): New.
18503 (lhd_omp_assignment): New.
18504 (lhd_omp_predetermined_sharing): New.
18505 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18506 (struct lang_hooks_for_types): Add
18507 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18508 omp_predetermined_sharing, omp_disregard_value_expr,
18509 omp_private_debug_clause, omp_clause_default_ctor,
18510 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18511 (c_finish_omp_clauses): New.
18512 (c_finish_bc_stmt): Diagnose break within omp for.
18513 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18514 (build_unary_op): Return error_mark after reporting
18516 (build_modify_expr): Likewise.
18517 * gimplify.c: Include optabs.h and pointer-set.h.
18518 (enum gimplify_omp_var_data): Declare.
18519 (struct gimplify_omp_ctx): Declare.
18520 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18522 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18523 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18524 (splay_tree_compare_decl_uid): New.
18525 (new_omp_context): New.
18526 (delete_omp_context): New.
18527 (gimple_add_tmp_var): Call omp_add_variable.
18528 (gimplify_bind_expr): Likewise.
18529 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18530 true, disregard DECL_VALUE_EXPR on the decl if any.
18531 (gimplify_expr_in_ctx): New.
18532 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18533 omp_add_variable, omp_notice_variable, omp_is_private
18534 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18535 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18536 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18537 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18538 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18539 gimplify_omp_atomic): New.
18540 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18541 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18542 OMP_CRITICAL and OMP_ATOMIC.
18543 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18544 * c-pragma.h (enum pragma_kind): Add
18545 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18546 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18547 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18548 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18549 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18550 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18551 PRAGMA_OMP_THREADPRIVATE.
18552 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18553 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18554 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18555 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18556 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18557 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18558 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18559 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18560 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18561 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18562 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18563 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18564 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18566 (struct nesting_info): Add field_map,
18567 suppress_expansion, debug_var_chain.
18568 (create_nesting_tree): Initialize them.
18569 (lookup_field_for_decl): Use field_map.
18570 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18571 (convert_local_omp_clauses): New.
18572 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18573 (walk_body): Split out of walk_function.
18574 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18575 (convert_nonlocal_reference): Handle omp statements.
18576 (convert_local_reference): Likewise.
18577 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18578 (unnest_nesting_tree): New.
18579 (lower_nested_functions): Call it.
18580 (insert_field_into_struct): Make extern.
18581 (struct walk_stmt_info): Move to tree-gimple.h.
18582 (walk_stmts): Make extern.
18583 * omp-builtins.def: New file.
18584 * tree-iterator.c (expr_only): Clarify comment.
18585 * c-common.h (pushdecl_top_level, pushdecl,
18586 build_modify_expr, build_indirect_ref,
18587 c_finish_omp_master, c_finish_omp_critical,
18588 c_finish_omp_ordered, c_finish_omp_barrier,
18589 c_finish_omp_atomic, c_finish_omp_flush,
18590 c_finish_omp_for, c_split_parallel_clauses,
18591 omp_clause_default_kind, c_omp_sharing_predetermined,
18592 c_omp_remap_decl): Declare.
18593 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18594 (OBJS-common): Add omp-low.o.
18595 (c-omp.o, omp-low.o): Add.
18596 (gimplify.o): Add dependency on $(OPTABS_H).
18597 (GTFILES): Add omp-low.c.
18598 (gt-stringpool.h): Add.
18599 * tree-cfg.c (set_bb_for_stmt): Do not update the
18600 block-to-labels map if we are currently expanding to RTL.
18601 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18603 Handle IDENTIFIER_NODE.
18604 (tree_verify_flow_info): Do not ICE when emitting error
18605 messages about invalid labels.
18606 (dump_function_to_file): Reset CFUN before emitting the body
18608 (debug_function): New.
18609 * passes.c (init_optimization_passes): Schedule
18611 * langhooks-def.h (lhd_omp_predetermined_sharing,
18612 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18614 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18615 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18616 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18617 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18618 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18619 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18620 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18621 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18622 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18623 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18624 (LANG_HOOK_DECLS): Use them.
18626 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18627 Richard Henderson <rth@redhat.com>
18628 Jakub Jelinek <jakub@redhat.com>
18629 Diego Novillo <dnovillo@redhat.com>
18631 * c-parser.c (pragma_omp_clause): Define.
18632 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18633 (c_parser_compound_statement): Likewise.
18634 (c_parser_statement): Likewise.
18635 (c_parser_pragma): Handle omp pragmas.
18636 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18637 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18638 (c_parser_omp_clause_name, check_no_duplicate_clause,
18639 c_parser_omp_variable_list,
18640 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18641 c_parser_omp_clause_copyprivate,
18642 c_parser_omp_clause_default,
18643 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18644 c_parser_omp_clause_lastprivate,
18645 c_parser_omp_clause_nowait,
18646 c_parser_omp_clause_num_threads,
18647 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18648 c_parser_omp_clause_reduction,
18649 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18650 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18651 c_parser_omp_atomic, c_parser_omp_barrier,
18652 c_parser_omp_critical, c_parser_omp_flush,
18653 c_parser_omp_for_loop, c_parser_omp_for,
18654 c_parser_omp_master, c_parser_omp_ordered,
18655 c_parser_omp_sections_scope, c_parser_omp_sections,
18656 c_parser_omp_parallel, c_parser_omp_single,
18657 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18658 * c-pragma.c (init_pragma): Do omp pragma registration here.
18659 * c.opt (fopenmp): New flag.
18661 2006-01-18 Eric Christopher <echristo@apple.com>
18663 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18664 * config/darwin.h (GOMP_SELF_SPECS): Define.
18666 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18668 * rtl.h: Remove the prototype for reg_alloc.
18670 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18673 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18674 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18675 sjlj and dwarf2 exception handling.
18676 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18677 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18678 * pa/pa.c (function_value): Treat complex and vector types as
18680 (function_arg): Likewise. Only pass scalar floats in the floating
18681 point argument registers.
18682 * pa/t-slibgcc-dwarf-ver: New file.
18683 * pa/t-slibgcc-sjlj-ver: New file.
18684 * pa/t-slibgcc-elf-ver: Delete file.
18686 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18688 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18689 unlikely_test_section_p test.
18691 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18693 * mode-switching.c (optimize_mode_switching): Make it static.
18694 * basic-block.h: Remove the prototype for
18695 optimize_mode_switching.
18697 * modulo-sched.c (sms_schedule): Make it static.
18698 * rtl.h: Remove the prototype for sms_schedule.
18700 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18701 * rtl.h: Remove the prototype for gcse_after_reload_main.
18703 * reg-stack.c (reg_to_stack): Make it static.
18704 * rtl.h: Remove the prototype for reg_to_stack.
18706 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18708 * rtl.h: Remove the prototypes for regrename_optimize and
18709 copyprop_hardreg_forward.
18711 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18713 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18714 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18715 Test against the appropriate null constant for the mode.
18716 If 'fixup_overlap' is true, swap the operands if they overlap.
18717 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18718 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18719 alpha_split_tmode_pair and adjust for above change.
18720 * config/alpha/alpha.md (movtf_internal): Adjust call to
18721 alpha_split_tfmode_pair and rely on it to swap the operands.
18722 (movti_internal): New insn and post-reload splitter.
18723 (movti): New expander.
18725 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18727 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18730 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18732 * rtlanal.c (global_reg_mentioned_p_1,
18733 global_reg_mentioned_p): Remove.
18734 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18736 * flow.c (initialize_uninitialized_subregs): Make it static.
18737 * rtl.h: Remove the prototype for
18738 initialize_uninitialized_subregs.
18740 * function.c (instantiate_virtual_regs): Make it static.
18741 * function.h: Remove the prototype for
18742 instantiate_virtual_regs.
18744 * regmove.c (regmove_optimize, combine_stack_adjustments):
18746 * rtl.h: Remove the prototypes for regmove_optimize and
18747 combine_stack_adjustments.
18749 2006-01-17 Roger Sayle <roger@eyesopen.com>
18751 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18752 (size_cost): Encode costs in bytes so that a reg-reg addition is
18753 equivalent to COSTS_N_INSNS(1).
18754 (override_options): Use the size_cost.branch_cost as the default
18755 ix86_branch_cost when optimizing for size.
18757 2006-01-18 Ben Elliston <bje@au.ibm.com>
18759 * Makefile.in (D32PBIT_FUNCS): New.
18760 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18761 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18762 D64PBIT_FUNCS and D128PBIT_FUNCS.
18763 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18764 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18766 (decnumber_dep): Define.
18767 * doc/libgcc.texi (Decimal float library routines): New node.
18768 * config/dfp-bit.h, config/dfp-bit.c: New files.
18770 2006-01-18 Ben Elliston <bje@au.ibm.com>
18772 * expr.c (emit_move_change_mode): Always adjust addresses, not
18773 just during reload. Copy replacements only during reload.
18774 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18775 emit_move_via_integer.
18777 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18779 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18780 instead of $(srcdir) and ${srcdir}.
18782 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18785 PR middle-end/11135
18786 * arm.h (struct machine_function): Add pic_reg.
18787 * arm.c (arm_pic_register): Make unsigned.
18788 (arm_override_options): Only set arm_pic_register if
18789 TARGET_SINGLE_PIC_BASE.
18790 (use_return_insn): Only test for a pic register if it is fixed.
18791 (arm_compute_save_reg0_reg12_mask): Likewise.
18792 (thumb_compute_save_reg_mask): Likewise.
18793 (legitimate_pic_operand): Factor out some known invariants.
18794 (legitimize_pic_address): If we don't have a fixed pic register,
18795 then set up a pseudo in the function entry sequence. Handle the
18796 pic base being in a pseudo.
18797 (arm_load_pic_register): Handle the pic register being in a pseudo.
18798 (arm_expand_prologue): Only set up the pic register if it is fixed.
18799 (thumb_expand_prologue): Likewise.
18800 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18801 (pic_load_addr_based_insn): Likewise.
18802 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18805 2006-01-18 Ben Elliston <bje@au.ibm.com>
18807 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18808 decimal float modes for all floating point registers.
18810 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18811 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18813 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18816 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18817 even when the pointer is not NULL.
18819 2006-01-16 Ian Lance Taylor <ian@airs.com>
18821 * common.opt (ftoplevel-reorder): New option.
18822 * cgraph.c (cgraph_asm_nodes): New global variable.
18823 (cgraph_asm_last_node): New static variable.
18824 (cgraph_order): New global variable.
18825 (cgraph_create_node): Set new order field.
18826 (cgraph_varpool_node): Likewise.
18827 (decide_is_variable_needed): Return true if not
18828 flag_toplevel_reorder.
18829 (cgraph_add_asm_node): New function.
18830 * cgraph.h (struct cgraph_node): Add order field.
18831 (struct cgraph_varpool_node): Add order field.
18832 (struct cgraph_asm_node): Define.
18833 (cgraph_asm_nodes, cgraph_order): Declare.
18834 (cgraph_add_asm_node): Declare.
18835 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18837 (cgraph_varpool_assemble_pending_decls): Call it.
18838 (cgraph_output_pending_asms): New static function.
18839 (cgraph_finalize_compilation_unit): Call it.
18840 (struct cgraph_order_sort): Define.
18841 (cgraph_output_in_order): New static function.
18842 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18843 !flag_toplevel_reorder case.
18844 * c-parser.c: Include "cgraph.h".
18845 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18847 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18848 than -fno-unit-at-a-time.
18849 * doc/invoke.texi (Option Summary): Mention
18850 -fno-toplevel-reorder.
18851 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18852 -funit-at-a-time documentation.
18854 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18855 Kazu Hirata <kazu@codesourcery.com>
18857 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18859 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18861 * Makefile.in (FUNCTION_H): New. Use it instead of
18862 function.h throughout the file.
18863 * function.h: Include tree.h.
18865 2006-01-17 Ben Elliston <bje@au.ibm.com>
18867 * recog.c: Separate some functions with whitespace.
18869 2006-01-16 Richard Henderson <rth@redhat.com>
18871 Merge from gomp branch:
18872 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18873 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18874 and rename from struct inline_data. Rename callee* to dst*;
18875 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18876 transform_new_cfg, transform_return_to_modify, and
18877 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18879 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18880 (copy_decl_for_dup): Remove.
18881 * tree-inline.c (struct inline_data): Move to header.
18882 (insert_decl_map): Export.
18883 (remap_decl): Update for member name changes. Use copy_decl hook.
18884 Allow for replacement to be a non-decl. Remove dead code.
18885 (remap_type_1): Check for existing mapping.
18886 (remap_type): Export.
18887 (remap_decls): Update for member name changes.
18888 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18889 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18890 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18891 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18892 (tree_function_versioning, build_duplicate_type): Likewise.
18893 (copy_body_r): Likewise. Export.
18894 (copy_decl_for_dup): Split into ...
18895 (copy_decl_for_dup_finish, copy_decl_to_var,
18896 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18897 (replace_ref_tree, inlining_p): Remove.
18899 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18901 * ifcvt.c (if_convert): Make it static.
18902 * rtl.h: Remove the prototype for if_convert.
18904 * local-alloc.c (local_alloc): Make it static.
18905 * rtl.h: Remove the prototype for local_alloc.
18907 * loop.c (loop_optimize): Make it static.
18908 * cfgloop.h: Remove the prototype for loop_optimize.
18911 2006-01-16 DJ Delorie <dj@redhat.com>
18913 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
18916 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18918 * pa.md: Disparage copies between general and floating-point registers
18919 in 32-bit move patterns.
18921 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
18924 * Makefile.in (check-%): Depend on site.exp instead of
18925 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
18928 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18930 * global.c (global_alloc): Make it static.
18931 * rtl.h: Remove the prototype for global_alloc.
18933 2006-01-16 Richard Guenther <rguenther@suse.de>
18935 * tree-ssa-alias.c (struct used_part): Add write_only field.
18936 (get_or_create_used_part_for): Initialize it to true.
18937 (create_overlap_variables_for): Don't create structure variables
18938 for structures that only are written to.
18939 (find_used_portions): Handle MODIFY_EXPR to track whether a
18940 structure is only written to.
18942 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18944 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
18946 * basic-block.h: Remove the prototype for
18947 partition_hot_cold_basic_blocks.
18949 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
18951 * cppspec.c (lang_specific_spec_functions): Remove.
18952 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
18953 * gcc.h (lang_specific_spec_functions): Remove.
18954 * gccspec.c (lang_specific_spec_functions): Remove.
18956 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
18958 * combine.c (record_value_for_reg): Invalidate registers
18960 (record_dead_and_set_regs_1): Likewise, by passing them to
18961 record_value_for_reg.
18962 (record_dead_and_set_regs): Invalidate stores made by a
18963 call. We do not combine across a call, but we still
18964 relied on equivalences.
18966 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18968 * tree-vrp.c (extract_range_from_binary_expr): Cope with
18969 vrp_int_const_binop returning non-constant nodes.
18971 2006-01-16 Paul Brook <paul@codesourcery.com>
18973 * config/m68k/m68k.c (output_move_const_into_data_reg):
18974 Output correct mnemonic for mvz and mvs.
18976 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
18978 * rtl-factoring.c: Add sequence abstraction algorithm.
18979 * cfgcleanup.c (outgoing_edges_match): Extra checks.
18980 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
18982 (block_has_preserve_label): New function.
18983 * common.opt: Register new pass.
18984 * Makefile.in: Ditto.
18986 * timevar.def: Ditto.
18987 * tree-pass.h: Ditto.
18988 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
18989 * rtl.h (make_jump_insn_raw): Add forward decl.
18990 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
18992 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
18993 Roger Sayle <roger@eyesopen.com>
18995 * fold-const.c (fold_minmax): New static function.
18996 (fold_binary) <MIN_EXPR>: Call it.
18997 <MAX_EXPR>: Likewise.
18998 * stor-layout.c (place_field): Use DECL_SIZE consistently
18999 in the computation of the new record size.
19001 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19003 * cse.c (cse_condition_code_reg): Make it static.
19004 * rtl.h: Remove the prototype for cse_condition_code_reg.
19006 * combine.c (combine_instructions): Make it static.
19007 * rtl.h: Remove the prototype for combine_instructions.
19009 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19012 * tree.c (get_file_function_name_long): Concatenate the first global
19013 object name with a string derived from the input filename of the object
19016 2006-01-16 Ben Elliston <bje@au.ibm.com>
19018 * config/i386/winnt-stubs.c: Update FSF address.
19019 * config/xtensa/ieee754-df.S: Ditto.
19020 * config/xtensa/ieee754-sf.S: Ditto.
19022 2006-01-14 Ian Lance Taylor <ian@airs.com>
19024 * ifcvt.c (noce_init_if_info): New static function, broken out of
19025 noce_process_if_block.
19026 (noce_process_if_block): Call noce_init_if_info.
19027 (check_cond_move_block): New static function.
19028 (cond_move_process_if_block): New static function.
19029 (process_if_block): Call cond_move_process_if_block.
19031 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19033 * cselib.c (hash_table): Rename to cselib_hash_table.
19034 (cselib_clear_table, discard_useless_values,
19035 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19036 cselib_init, cselib_finish): Adjust uses of hash_table.
19038 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19040 PR tree-optimization/25485
19041 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19042 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19043 is known to be false and true, respectively.
19045 2006-01-14 Richard Guenther <rguenther@suse.de>
19047 PR tree-optimization/22548
19048 PR tree-optimization/22555
19049 PR tree-optimization/22501
19050 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19051 * params.def (salias-max-array-elements): New parameter.
19052 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19053 * doc/invoke.texi (salias-max-array-elements): Document.
19054 * tree-flow-inline.h (var_can_have_subvars): We also handle
19056 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19058 * tree-ssa-structalias.c (params.h): Include.
19059 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19060 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19061 (get_constraint_for): For ADDR_EXPR operating on something
19062 containing an ARRAY_REF, add all subvars to the solution.
19063 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19064 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19065 for creating MUST_DEFs.
19066 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19068 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19070 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19072 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19073 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19074 number_of_iterations_le): New functions.
19075 (number_of_iterations_special): Removed.
19076 (number_of_iterations_exit): Do not use number_of_iterations_special.
19077 * tree.c (unsigned_type_for): Always return integer type.
19079 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19080 Richard Guenther <rguenther@suse.de>
19082 PR rtl-optimization/24257
19083 * gcse.c (find_moveable_store): Only consider a store movable
19084 when the SET_SRC of the insn can be assigned to a register.
19086 2006-01-14 Ian Lance Taylor <ian@airs.com>
19088 * tree.c (tree_not_class_check_failed): New function.
19089 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19090 (tree_not_class_check_failed): Declare.
19092 2006-01-13 Ian Lance Taylor <ian@airs.com>
19094 * reload1.c (do_output_reload): Add assertion rejecting a
19097 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19099 * combine.c (struct reg_stat): Add new fields truncation_label and
19101 (record_value_for_reg): Reset truncated_to_mode.
19102 (record_truncated_value): New function.
19103 (check_promoted_subreg): Call it. Rename to check_conversions.
19104 (combine_instructions): Rename check_promoted_subreg to
19106 (reg_truncated_to_mode): New function.
19107 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19108 (gen_lowpart_or_truncate): New function.
19109 (force_to_mode): Use it instead of gen_lowpart.
19111 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19113 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19114 VAR is a tag, not its type tag.
19116 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19118 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19119 alternatives to match style of other entries.
19120 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19122 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19124 PR tree-optimization/25771
19125 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19128 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19131 * tree-inline.c (declare_return_variable): If the return variable
19132 was marked as a non gimple complex, set the return slot variable
19133 to be a non gimple comple variable.
19135 2006-01-13 Richard Guenther <rguenther@suse.de>
19137 * builtins.c (expand_builtin_sincos): New function.
19138 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19140 (expand_builtin): Expand sincos using expand_builtin_sincos.
19142 2006-01-12 DJ Delorie <dj@redhat.com>
19144 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19145 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19146 so that constant shifts can be split.
19147 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19148 (m32c_valid_pointer_mode): Make static.
19149 (shift_gen_func_for): New.
19150 (m32c_prepare_shift): Use it. Split large const shifts into
19152 * config/m32c/predicates.md (shiftcount_operand): Allow more
19154 (longshiftcount_operand): New.
19155 * doc/md.texi (Machine Constraints): Document In6.
19157 2006-01-13 Ben Elliston <bje@au.ibm.com>
19159 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19160 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19163 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19165 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19166 to try to avoid clobbering pieces of structures when we know
19167 something about the whole structure.
19168 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19170 2006-01-13 Ben Elliston <bje@au.ibm.com>
19172 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19173 return in memory, as this is no limitation is no longer present.
19175 2006-01-12 DJ Delorie <dj@redhat.com>
19177 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19178 mova with fb, and for fb+0 -> An.
19180 * config/m32c/mov.md (peephole2): Fix enabling logic.
19182 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19183 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19184 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19185 FINI_ARRAY_SECTION_ASM_OP): Define.
19187 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19189 (m32c_legitimize_reload_address): New logic to reload FB to An.
19190 (m32c_output_reg_push): Add newline.
19191 (m32c_output_reg_pop): Likewise.
19193 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19195 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19197 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19199 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19201 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19203 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19206 2006-01-11 Ben Elliston <bje@au.ibm.com>
19208 * rtlanal.c (find_reg_note): Assert insn is not null.
19210 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19212 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19215 2006-01-11 Jeff Law <law@redhat.com>
19217 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19219 (mark_threaded_blocks, register_jump_thread): New functions.
19220 (thread_through_all_blocks): Remove unwanted argument. No
19221 longer rely on e->aux to communicate thread target info.
19222 Call mark_threaded_blocks. Release the threaded_blocks
19223 bitmap and threaded_edges vector when complete.
19224 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19225 (threaded_blocks): Remove.
19226 (tree_ssa_dominator_optimize): Remove initialization and
19227 finalization of threaded_blocks. Simplify call to
19228 thread_through_all_blocks.
19229 (thread_across_edge): Call register_jump_thread rather than
19230 storing thread information into e->aux.
19231 (free_all_edge_infos): Simplify now that e->aux is no longer
19232 used to communicate with thread_through_all_blocks.
19233 * tree-flow.h (thread_through_all_blocks): Update prototype.
19234 (register_jump_thread): Prototype.
19236 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19238 * df-core.c (df_compact_blocks, df_bb_replace): Use
19239 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19241 2006-01-11 Richard Guenther <rguenther@suse.de>
19243 PR tree-optimization/25734
19244 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19245 stop propagation after successful propagation to the LHS.
19247 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19249 * basic-block.h (control_flow_graph): Change the type of
19250 x_basic_block_info to VEC(basic_block,gc) *.
19251 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19253 (SET_BASIC_BLOCK): New.
19254 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19255 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19256 * cfgbuild.c (find_basic_blocks): Likewise.
19257 * cfglayout.c (fixup_reorder_chain): Likewise.
19258 * cfgrtl.c (create_basic_block_structure,
19259 rtl_create_basic_block): Likewise.
19260 * ifcvt.c (find_if_case_1): Likewise.
19261 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19264 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19266 * Makefile.in: Removed rotted odf.c entry.
19268 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19271 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19272 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19273 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19274 output pattern modifier, not %e.
19275 * config/cris/cris.c (cris_op_str): Update comment about pattern
19277 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19278 before falling through into...
19279 <case 'E'>: Redefined from old 'e' case.
19281 2006-01-11 Jan Hubicka <jh@suse.cz>
19284 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19286 2006-01-11 Jan Hubicka <jh@suse.cz>
19288 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19289 * i386.c (x86_decompose_lea): Kill.
19290 (ix86_rtx_costs): Kill.
19292 2006-01-11 Jan Hubicka <jh@suse.cz>
19294 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19295 * cgraph.h (cgraph_node): Add inline_decl.
19296 (cgraph_insert_node_to_hashtable): Declare.
19297 (save_inline_function_body): Declare.
19298 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19300 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19301 (cgraph_function_versioning): Update call of tree_function_versioning.
19302 (save_inline_function_body): New function.
19303 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19304 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19305 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19306 (cgraph_default_inline_p): Likewise.
19307 (cgraph_decide_inlining_incrementally): Likewise.
19308 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19309 (copy_bb): Kill saving; do updating of clones.
19310 (copy_cfg_body): Kill saving.
19311 (initialize_inlined-parameters): Likewise.
19312 (expand_call_inline): Likewise.
19314 (tree_function_versioning): New parameter "update_clones".
19315 (inlining_p): Kill saving.
19316 * tree-inline.h (tree_function_versioning): Update prototype.
19317 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19320 2006-01-11 Ian Lance Taylor <ian@airs.com>
19322 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19323 Allow undoing set of machine mode.
19324 (do_SUBST): Use enums instead of is_int.
19325 (do_SUBST_MODE): New function.
19326 (SUBST_MODE): New macro.
19327 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19328 reg and trying to replace reg_regno_rtx with a new register.
19329 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19330 (simplify_set): Use SUBST_MODE.
19331 (distribute_notes): Remove code that tried to update reg notes
19332 for regno_reg_rtx changes.
19334 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19336 PR tree-optimization/23109
19337 PR tree-optimization/23948
19338 PR tree-optimization/24123
19340 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19341 * tree-cfg.c (single_noncomplex_succ): New.
19342 * tree-flow.h (single_noncomplex_succ): Declare it.
19343 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19344 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19345 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19346 insert_bb, register_division_in, insert_reciprocals,
19347 replace_reciprocal, free_bb): New.
19348 (execute_cse_reciprocals_1): Rewritten.
19349 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19350 Do not commit any edge insertion. Always compute dominators and
19351 create the allocation pool.
19352 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19353 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19354 * targhooks.c (default_min_divistions_for_recip_mul): New.
19355 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19356 * passes.c (init_optimization_passes): Run recip after tree loop
19358 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19360 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19361 Kenneth Zadeck <zadeck@naturalbridge.com>
19363 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19364 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19365 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19366 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19367 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19368 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19369 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19370 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19371 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19372 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19373 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19374 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19375 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19376 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19377 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19378 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19379 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19380 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19381 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19382 DF_SCAN_POST_ALLOC): New macros.
19383 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19384 df_free_bb_function, df_local_compute_function, df_init_function,
19385 df_dataflow_function, df_confluence_function_0,
19386 df_confluence_function_n, df_transfer_function,
19387 df_finalizer_function, df_free_function, df_dump_problem_function,
19388 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19389 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19390 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19391 df_urec_bb_info, ) New types.
19392 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19394 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19395 df_analyze_simple_change_some_blocks,
19396 df_analyze_simple_change_one_block, df_compact_blocks,
19397 df_bb_replace, df_bb_regno_last_use_find,
19398 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19399 df_insn_regno_def_p, df_find_def, df_find_use,
19400 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19401 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19402 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19403 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19404 debug_df_chain, df_get_dependent_problem, df_chain_create,
19405 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19406 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19407 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19408 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19409 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19410 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19411 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19412 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19413 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19414 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19415 df_reorganize_refs, df_set_state, df_hard_reg_init,
19416 df_read_modify_subreg_p) New public functions.
19417 * df-core.c: The core dataflow solver and glue routines for rtl
19419 (df_init, df_add_problem, df_set_blocks, df_finish,
19420 df_hybrid_search_forward, df_hybrid_search_backward,
19421 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19422 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19423 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19424 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19425 df_reg_defined, df_find_use, df_reg_used, df_dump,
19426 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19427 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19428 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19429 debug_df_useno, reset_df_after_reload): New functions.
19430 * df-scan.c: The scanning fuctions, once in df.c, completely
19431 rewritten so that they now fully model the functionality of
19432 register usage at the backend.
19433 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19434 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19435 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19436 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19437 df_get_artificial_defs, df_get_artificial_uses,
19438 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19439 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19440 df_refs_delete, df_reorganize_refs, df_set_state,
19441 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19442 df_def_record_1, df_defs_record, df_uses_record,
19443 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19444 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19445 df_record_exit_block_uses, df_hard_reg_init): New functions.
19447 * df-problems.c: Seven concrete dataflow problems that use the
19448 scanning in df-scan.c and are solved by the engine in df-core.c.
19449 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19450 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19451 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19452 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19453 df_ru_free_bb_info, df_ru_alloc,
19454 df_ru_bb_local_compute_process_def,
19455 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19456 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19457 df_ru_transfer_function, df_ru_free, df_ru_dump,
19458 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19459 df_rd_free_bb_info, df_rd_alloc,
19460 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19461 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19462 df_rd_transfer_function, df_rd_free, df_rd_dump,
19463 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19464 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19465 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19466 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19467 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19468 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19469 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19470 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19471 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19472 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19473 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19474 df_urec_mark_reg_use_for_earlyclobber,
19475 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19476 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19477 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19478 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19479 df_chain_create_bb_process_use, df_chain_create_bb,
19480 df_chain_finalize, df_chain_free, df_chains_dump,
19481 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19482 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19483 df_reg_lifetime): New functions.
19484 * df.c: Deleted file.
19485 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19486 consistent with new df api.
19487 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19488 rest_of_handle_sms): Ditto.
19489 * web.c (unionfind_union, union_defs, entry_register, web_main):
19491 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19492 invariant_expr_equal_p, find_defs, check_dependencies,
19493 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19494 free_inv_motion_data, move_loop_invariants): Ditto.
19495 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19496 Update dependencies.
19497 (odf.c): Added defective entry that was deleted later in day.
19498 * sched-deps.c (sched_analyze_1): Ditto.
19500 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19502 * tree-ssa-operands.c (get_expr_operands): Record addressable
19503 variables directly. Do not call add_stmt_operands for CONST_DECLs
19505 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19506 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19508 2006-01-11 Ben Elliston <bje@au.ibm.com>
19510 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19511 function returns true in the positive case.
19513 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19516 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19517 for SI, DI, SF and DF modes. Add alternatives to copy between
19518 general and floating point registers to the 32-bit patterns.
19519 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19520 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19521 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19522 generating 64-bit code.
19523 * config/pa/pa.c (output_move_double): Handle copies between general
19524 and floating registers.
19526 2006-01-10 Stuart Hastings <stuart@apple.com>
19528 * config/i386/i386.md (set_got): Update.
19529 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19530 (builtin_setjmp_receiver): Mach-O support.
19531 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19532 (GOT_SYMBOL_NAME): Define.
19533 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19534 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19535 * config/i386/i386.c (override_options): Revise for Darwin.
19536 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19537 support. (darwin_x86_file_end): New. (output_set_got): Add label
19538 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19539 * config/i386/i386-protos.h (output_set_got): Likewise.
19540 * config/darwin.c (machopic_legitimize_pic_address): Update
19543 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19545 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19546 when MODE isn't BLKmode.
19548 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19550 PR rtl-optimization/25367
19551 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19553 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19556 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19557 for a negative bound.
19559 2006-01-10 Richard Guenther <rguenther@suse.de>
19561 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19562 Never override with anything constraint.
19564 2006-01-10 Jan Beulich <jbeulich@novell.com>
19566 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19567 256 bits when optimize_size.
19569 2006-01-10 Jan Beulich <jbeulich@novell.com>
19571 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19573 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19574 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19577 2006-01-10 Ben Elliston <bje@au.ibm.com>
19579 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19581 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19582 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19583 (USE_FP_FOR_ARG): Reject decimal float modes.
19584 (function_arg_advance): Likewise.
19585 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19586 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19587 point types in AltiVec vectors.
19588 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19589 (rs6000_libcall_value): Likewise.
19591 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19593 * config/xtensa/ieee754-df.S: New file.
19594 * config/xtensa/ieee754-sf.S: New file.
19595 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19596 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19597 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19599 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19601 * config/sh/predicates.md (binary_float_operator,
19602 binary_logical_operator, commutative_float_operator,
19603 equality_comparison_operator, greater_comparison_operator,
19604 less_comparison_operator, logical_operator,
19605 noncommutative_float_operator, shift_operator,
19606 symbol_ref_operand, unary_float_operator): Remove redundant
19609 2006-01-09 Jeff Law <law@redhat.com>
19611 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19612 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19613 now unused arguments. Callers updated.
19614 (eliminate_redundant_computations): Remove now unused arguments,
19616 (local_fold): Remove, no longer used.
19617 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19619 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19620 (simplify_cond): New function.
19621 (forward_propagate_into_cond): Call simplify_cond.
19623 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19625 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19626 (*vec_extractv2di_1_sse): New.
19628 2006-01-09 Ben Elliston <bje@au.ibm.com>
19630 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19632 2006-01-08 Richard Guenther <rguenther@suse.de>
19634 * tree-ssa-structalias.c (get_constraint_for): Remove
19635 anyoffset argument.
19636 (get_constraint_for_component_ref): Likewise.
19637 (do_deref): Likewise.
19638 (get_constraint_for): Likewise.
19639 (do_structure_copy): Likewise.
19640 (handle_ptr_arith): Likewise.
19641 (find_func_aliases): Likewise. Remove unused need_anyoffset
19644 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19645 Kaz Kojima <kkojima@gcc.gnu.org>
19647 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19648 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19649 (EXTRA_CONSTRAINT_C16): Remove.
19650 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19651 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19652 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19653 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19654 constants of SHmedia. Handle nested constant expressions of
19656 (andcosts): Fix the costs for SHmedia constants.
19657 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19658 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19659 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19660 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19661 (movv4hi_i, movv2si_i): Likewise.
19662 (movsi_const): Adjust the second operand of ior so to match with
19663 the Csu constraint.
19664 (movdi_const, movdi_const_32bit): Likewise.
19665 (movdi_const_16bit+1): Don't sign-extend LOW.
19666 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19668 (*double_shori): Fix the split condition. Use GEN_INT instead
19669 of get_int_mode calls. Mask lower 16-bit of the argument of
19671 (sym2GOTPLT): Remove.
19672 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19674 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19675 instead of EXTRA_CONSTRAINT_C16.
19677 2006-01-07 Ian Lance Taylor <ian@airs.com>
19678 David Edelsohn <edelsohn@gnu.org>
19680 PR rtl-optimization/25662
19681 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19682 for constant operands instead of simplify_gen_binary.
19683 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19684 after trying simplify_binary_operation
19686 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19688 * tree.c (iterative_hash_expr): Hash decls based on UID.
19690 2006-01-06 Eric Christopher <echristo@apple.com>
19692 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19693 (TARGET_UNWIND_EMIT): Fix spelling.
19694 * target.h (gcc_target): Add except_table_label.
19695 * except.c (output_function_exception_table): Use.
19696 * varasm.c (default_emit_except_table_label): New.
19697 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19699 (asm_out): Add here.
19700 * output.h (default_emit_except_table_label): Prototype.
19701 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19702 * config/darwin.c (darwin_emit_except_table_label): Define.
19703 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19705 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19707 PR tree-optimization/18527
19708 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19709 number_of_iterations_special, number_of_iterations_exit):
19710 Move base and step of an iv to a single structure. Add
19711 no_overflow flag, and use it in # of iterations analysis.
19712 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19713 folded_casts argument.
19714 (simple_iv): Pass base and step in a structure. Set no_overflow
19716 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19717 Evaluate expensiveness of computing # of iterations instead of
19718 the final expression.
19719 * tree-scalar-evolution.h (affine_iv): New structure.
19720 (simple_iv): Declaration changed.
19721 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19722 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19723 find_givs_in_stmt): Changed due to simple_iv change.
19725 2006-01-06 Jeff Law <law@redhat.com>
19728 * tree-cfg.c (bsi_replace): Rename final argument from
19729 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19730 change (stmt -> orig_stmt).
19731 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19732 (bsi_remove): Add new argument. Remove EH information
19734 (verify_eh_throw_table_statements): New function.
19735 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19737 * tree-optimize.c (execute_free_cfg_annotations): Verify
19738 the EH throw statement table after removing annotations.
19739 * except.h (verify_eh_throw_table_statements): Prototype.
19740 * tree-flow.h (bsi_remove): Update prototype.
19741 * tree-vrp.c (remove_range_assertions): Add new argument to
19743 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19744 * tree-complex.c (expand_complex_div_wide): Likewise.
19745 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19746 * tree-tailcall.c (eliminate_tailcall): Likewise.
19747 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19748 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19749 * tree-nrv.c (tree_nrv): Likewise.
19750 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19751 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19752 (combine_blocks): Likewise.
19753 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19754 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19755 (cleanup_control_flow): Likewise.
19756 (remove_forwarder_block): Likewise.
19757 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19758 * tree-sra.c (sra_replace): Likewise.
19759 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19760 (forward_propagate_single_use_vars): Likewise.
19761 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19762 * tree-inline.c (expand_call_inline): Likewise.
19763 * tree-vect-transform.c (vect_transform_loop): Likewise.
19764 * tree-outof-ssa.c (rewrite_trees): Likewise.
19765 * tree-cfg.c (make_goto_expr_edges): Likewise.
19766 (cleanup_dead_labels): Likewise.
19767 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19768 (bsi_move_before, bsi_move_after): Likewise.
19769 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19770 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19772 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19775 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19777 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19778 on non gimple variables. Also add checks at the top for decls and
19780 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19782 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19783 and IMAGPART_EXPR for creating MUST_DEFs.
19784 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19785 and NAME_MEMORY_TAG separately from the DECLs.
19787 2006-01-06 Richard Guenther <rguenther@suse.de>
19789 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19790 annotation, if necessary.
19791 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19792 redundant calls to update_stmt.
19793 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19796 2006-01-05 Richard Henderson <rth@redhat.com>
19798 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19800 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19802 * c-typeck.c: Update copyright date.
19804 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19806 * c-typeck.c (build_c_cast): Always warn when casting
19807 from a pointer to an integer of different size, even if
19808 the node was constant.
19810 2006-01-05 Richard Guenther <rguenther@suse.de>
19812 PR tree-optimization/22555
19813 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19814 if one structure field is an array.
19815 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19816 operands even if we found a subvar, but ignore VOPs in this
19818 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19820 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19822 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19824 PR middle-end/24998
19825 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19827 2006-01-05 Richard Guenther <rguenther@suse.de>
19828 Diego Novillo <dnovillo@redhat.com>
19830 * tree-pass.h (TODO_remove_unused_locals): Define.
19831 * gimple-low.c (expand_var_p, remove_useless_vars,
19832 pass_remove_useless_vars): Remove. Update all users.
19833 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19834 (remove_unused_locals): New function.
19835 * tree-flow.h (remove_unused_locals): Declare.
19836 * passes.c (execute_todo): Call remove_unused_locals if
19837 TODO_remove_unused_locals is set.
19838 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19839 * tree-ssa-dce.c (pass_dce): Likewise.
19840 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19842 2006-01-05 Richard Guenther <rguenther@suse.de>
19844 * tree-flow.h (struct fieldoff): Decompose field to
19845 type, size and decl.
19846 * tree-ssa-alias.c (create_sft): Take type as parameter.
19847 (create_overlap_variables_for): Store type, size and decl
19848 in the fieldoff structure.
19849 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19850 of struct fieldoff.
19851 (push_fields_onto_fieldstack): Likewise.
19852 (create_variable_info_for): Likewise. Use offset for the
19853 SFT name if the decl is not available.
19855 2006-01-04 Paul Brook <paul@codesourcery.com>
19857 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19859 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19861 * lambda-code.c (can_put_in_inner_loop): Relax
19863 (can_put_after_inner_loop): New function.
19864 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19865 (perfect_nestify): Change to make copies and modify uses.
19867 2006-01-04 Richard Henderson <rth@redhat.com>
19869 Merge from gomp branch:
19870 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19871 via integer constant.
19872 (pragma_lex): Remove.
19873 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19874 rather than parsing it.
19875 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19876 handle_pragma_extern_prefix): Add %< %> quotes.
19877 (registered_pragmas): New.
19878 (c_register_pragma_1): New.
19879 (c_register_pragma): Use it.
19880 (c_register_pragma_with_expansion): Likewise.
19881 (c_invoke_pragma_handler): New.
19882 (init_pragma): Use cpp_register_deferred_pragma directly for
19884 * c-pragma.h (enum pragma_kind): New.
19885 (pragma_handler): New.
19886 (c_invoke_pragma_handler): Declare.
19887 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19889 * c-common.h (c_common_pch_pragma): Update decl.
19890 * Makefile.in (c-parser.o): Update dependencies.
19891 (GTFILES): Add c-pragma.h.
19892 * c-parser.c (struct c_token): Add pragma_kind.
19893 (struct c_parser): Add in_pragma.
19894 (c_lex_one_token): Always initialize keyword and pragma_kind.
19895 Extract data for CPP_PRAGMA.
19896 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19897 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19898 Don't allow CPP_PRAGMA_EOL if in_pragma.
19899 (c_parser_consume_pragma): New.
19900 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19901 (c_parser_skip_to_end_of_parameter): Likewise.
19902 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19903 (c_parser_skip_to_pragma_eol): New.
19904 (c_parser_external_declaration): Handle CPP_PRAGMA.
19905 (c_parser_compound_statement_nostart): Likewise.
19906 (c_parser_statement_after_labels): Likewise.
19907 (c_parser_pragma): New.
19908 (pragma_lex): Likewise.
19909 (c_parser_pragma_pch_preprocess): New.
19910 (c_parser_new): Merge into ...
19911 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
19913 2006-01-04 Jeff Law <law@redhat.com>
19916 * tree-cfg.c (bsi_replace): Remove the original statement
19917 from the EH throw statement table.
19919 2006-01-04 Jakub Jelinek <jakub@redhat.com>
19921 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
19922 make the prototype extern "C" and add throw ().
19925 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
19926 and pos non-negative and pos + len <= 32.
19927 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
19928 drop pos + len < HOST_BITS_PER_WIDE_INT test.
19929 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
19932 * c-common.c (handle_vector_size_attribute): Reject zero vector size
19933 as well as sizes not multiple of component size.
19936 * function.c (instantiate_expr): New function.
19937 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
19938 walk its DECL_VALUE_EXPR with instantiate_expr.
19940 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
19941 DW_OP_deref{,_size} if address isn't going to be added.
19943 2006-01-04 Ben Elliston <bje@au.ibm.com>
19945 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
19946 * config/fp-bit.c: Likewise.
19948 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
19950 * dominance.c: Add comment about why we use DFS numbering
19953 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19954 Richard Henderson <rth@redhat.com>
19956 Merge from gomp-branch:
19957 * varasm.c (assemble_variable): Handle thread-local COMMON data.
19958 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
19960 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
19962 PR rtl-optimization/25578
19963 * combine.c (combine_simplify_rtx, force_to_mode): Don't
19964 pass a parameter to simplify_shift_const if changing ASHIFTRT
19967 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
19969 * builtins.c (get_builtin_sync_mem): New function.
19970 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
19971 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
19972 Call get_builtin_sync_mem to generate mem rtx.
19974 2006-01-03 Richard Guenther <rguenther@suse.de>
19977 * stmt.c (add_case_node): Make sure to clear overflow flags
19980 2006-01-03 Jakub Jelinek <jakub@redhat.com>
19982 Merge from gomp-branch.
19983 * config/sparc/sync.md: New file.
19984 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
19985 UNSPECV_LDSTUB): New constants.
19986 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
19987 * config/sparc/predicates.md (memory_reg_operand): New predicate.
19988 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
19991 2006-01-03 Roger Sayle <roger@eyesopen.com>
19993 * combine.c (reg_subword_p): New predicate to test whether the
19994 destination of a set refers to a subword/piece of a register.
19995 (try_combine): Generalize the code to merge the setting of a
19996 pseudo to a constant followed by a set of a subword of that
19997 register to a constant.
19999 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20001 * basic-block.h (control_flow_graph): Change the type of
20002 x_label_to_block_map to VEC(basic_block,gc) *.
20003 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20004 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20006 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20007 VEC(basic_block,heap) *.
20008 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20009 ssa_prop_fini): Adjust the uses of cfg_blocks.
20011 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20013 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20015 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20016 hashing trees instead of a pointer hash.
20017 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20018 compare for MEM_EXPR.
20020 PR rtl-optimization/25130
20021 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20022 when comparing MEMs for GCSE
20024 2006-01-03 Ben Elliston <bje@au.ibm.com>
20026 * targhooks.h (default_decimal_float_supported_p): Declare.
20027 * targhooks.c (default_decimal_float_supported_p): Define.
20028 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20029 `default_decimal_float_supported_p'.
20030 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20032 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20034 * combine.c (apply_distributive_law <SUBREG>): Check
20035 TRULY_NOOP_TRUNCATION.
20037 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20039 * dwarf2out.c (have_switched_text_section): Delete.
20040 (have_multiple_function_sections): New.
20041 (have_location_lists): Make 'bool'.
20042 (add_AT_loc_list): Use 'true' not '1'.
20043 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20044 (output_loc_list): Use have_multiple_function_sections.
20045 (output_ranges): Likewise.
20046 (dwarf2out_begin_function): Set have_multiple_function_sections if
20048 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20049 Check function_section rather than DECL_SECTION_NAME.
20050 (dwarf2out_finish): Use have_multiple_function_sections.
20051 Don't clear have_location_lists.
20053 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20054 Jan Hubicka <jh@suse.cz>
20056 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20057 case of conditional jump jumping to the next instruction.
20058 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20059 cases of conditional jump jumping to the next instruction.
20061 2006-01-02 Jan Hubicka <jh@suse.cz>
20063 * i386.c (*_cost): Add COSTS_N_INSNS.
20064 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20066 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20069 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20071 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20073 * config/arm/arm.c (all_fpus): Fix comment typo.
20074 * config/darwin.c: Likewise.
20075 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20076 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20077 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20079 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20081 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20082 (rs6000_split_compare_and_swapqhi): New.
20083 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20084 (sync_compare_and_swapqhi_internal): New.
20085 * config/rs6000/rs6000-protos.h: Declare.