1 2006-11-30 Jan Hubicka <jh@suse.cz>
4 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
5 memmove/bcopy->memcpy conversion.
7 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
9 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
10 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
11 Default is the largest alignment supported for 32-bit ELF and
12 representable on a 32-bit host.
14 2006-11-30 Janis Johnson <janis187@us.ibm.com>
16 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
18 2006-11-30 Jan Hubicka <jh@suse.cz>
20 * tree-ssa-operands.h (struct ssa_operands): New.
21 * tree-flow-inline.h (gimple_ssa_operands): New function.
22 * tree-flow.h: (struct gimple_df): Add ssa_operands.
23 * Makefile.in: Remove gt-tree-ssa-operands.h
24 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
25 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
26 operand_memory, operand_memory_index, ops_active): Remove statics.
27 (ALLOC_OPTYPE): Update.
28 (operand_build_sort_virtual): Update.
29 (ssa_operands_active): Update.
30 (init_ssa_operands): Update.
31 (fini_ssa_operands): Update.
32 (ssa_operand_alloc): Update.
33 (INITIALIZE_USE): Update.
34 (finalize_ssa_use_ops): Update.
35 (finalize_ssa_v_may_def_ops): Update.
36 (finalize_ssa_vuse_ops): Update.
37 (finalize_ssa_v_must_def_ops): Update.
39 2006-11-30 Richard Guenther <rguenther@suse.de>
41 * tree-vectorizer.h (vectorizable_function): Export.
42 * tree-vect-transform.c (vectorizable_function): Likewise.
43 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
44 type_in to scalar type in recognition of squaring.
45 Make sure the target can vectorize sqrt in recognition
46 of sqrt, set type_in to vector type in this case.
48 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
50 * config/i386/i386.md (R10_REG): New constant.
51 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
52 (ix86_emit_restore_regs_using_mov): Ditto.
53 (ix86_expand_call): Ditto.
54 (x86_output_mi_thunk): Ditto. Also use R10_REG.
56 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
58 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
59 * alias.c (canon_true_dependence): Update comment.
61 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
63 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
64 at the end of a diagnostics message.
66 * alloc-pool.c (pool_free): Postpone clearing the pool entry
67 until after asserting that it was allocated in the right pool.
69 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
70 successor edge information as well. Make output of live regs
71 on exit consistent with live regs on entry.
73 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
76 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
77 insn patterns for TARGET_80387.
78 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
79 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
80 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
81 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
82 Generate truncxf<mode>2 insn patterns for strict SSE math.
84 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
86 * config/i386/i386.md (movsf_1): Enable pattern for standard
87 80387 constants before reload when optimizing for size.
88 (*movdf_nointeger, *movdf_integer): Ditto.
89 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
90 80387 constants before reload when not optimizing for size.
92 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
93 extension of XFmode input operands.
95 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
97 * config/spu/crt0.c (__dso_handle): Define.
99 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
101 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
102 when clearing the used flags.
104 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
106 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
108 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
111 * config/spu/spu.md (extend_compare<mode>): New pattern.
112 (extend_compare): Change to expand and use the above pattern.
114 2006-11-29 Janis Johnson <janis187@us.ibm.com>
116 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
118 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
119 (DFP_INIT_ROUNDMODE): Define.
120 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
121 * mklibgcc.in: Fix dependencies for dfp-bit.c.
123 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
125 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
126 Update documentation.
127 (associate_line_notes_with_blocks): Kill.
128 (extend_bb): Remove basic block argument, put void instead.
129 Remove line number handling for each bb.
130 (save_line_notes): Kill.
131 (restore_line_notes): Kill.
132 (sched_init): Remove line_note_head initialization.
133 Change extend_bb call.
134 (sched_finish): Remove free of line_note_head.
135 (add_block): Change extend_bb call.
136 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
137 rm_line_notes and restore_line_notes calls.
138 (schedule_ebbs): Remove rm_redundant_line_notes.
139 * sched-int.h (struct haifa_insn_data): Remove line_note.
140 (save_line_notes): Remove declaration.
141 (restore_line_notes): Remove declaration.
142 * modulo-sched.c (loop_canon_p): Update debug info printing
143 by using insn locators instead of line note.
144 (sms_schedule): Update debug info printing, by using insn
145 locators instead of line note.
146 * sched-rgn.c (debug_dependencies): Remove handling of case
147 n>0 (line number), since it's a dead code.
148 (schedule_region): Remove save_line_notes and
149 restore_line_notes calls.
151 2006-11-29 Joseph Myers <joseph@codesourcery.com>
153 * config/rs6000/predicates.md (gpc_reg_operand): Check
155 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
156 SImode subregs of SPE vectors.
157 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
158 * jump.c (true_regnum): Require subregs to satisfy
159 subreg_offset_representable_p.
161 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
162 Steven Bosscher <stevenb.gcc@gmail.com>
164 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
165 since it no longer exists.
167 2006-11-29 Duncan Sands <baldrick@free.fr>
169 PR tree-optimization/23744
170 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
172 2006-11-29 Duncan Sands <baldrick@free.fr>
174 PR tree-optimization/23744
175 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
177 2006-11-29 Duncan Sands <baldrick@free.fr>
179 PR tree-optimization/23744
180 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
182 2006-11-29 Jie Zhang <jie.zhang@analog.com>
184 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
186 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
188 * sh.opt (minline-ic_invalidate): New option.
189 (musermode): Adjust comment.
190 * sh.c (sh_initialize_trampoline): Emit library call unless
191 is set; if it is set, don't emit library call if we can use icbi
193 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
194 icbi for TARGET_SH4_300.
195 * t-sh (LIB1ASMFUNCS_CACHE): Set.
196 * doc/invoke.texi: Document -minline-ic_invalidate; Update
197 -musermode documentation.
199 2006-11-29 Jim Tison <jtison@us.ibm.com>
201 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
202 __gthread_recursive_mutex_init): Define.
204 2006-11-29 Joseph Myers <joseph@codesourcery.com>
206 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
207 STRICT_ALIGNMENT and the type is more aligned than the saved
208 registers, copy via a temporary.
210 2006-11-28 Andrew Pinski <pinskia@gmail.com>
213 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
216 2006-11-28 Bob Wilson <bob.wilson@acm.org>
218 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
220 2006-11-28 Jan Hubicka <jh@suse.cz>
222 Privatize SSA variables into gimple_df.
224 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
225 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
226 gimple_nonlocal_all): New accessors.
227 (first_referenced_var): Update.
228 (mark_stmt_modified): Update.
229 (is_call_clobbered): Update.
230 (mark_call_clobbered): Update.
231 (clear_call_clobbered): Update.
232 (mark_non_addressable): Update.
233 * tree-vrp.c (get_value_range): Update.
234 * tree-into-ssa.c (in_ssa_p): Kill.
235 (get_default_def_for): Update.
236 (rewrite_into_ssa): Update.
237 * tree-complex.c (init_parameter_lattice_values): Update.
238 (update_complex_assignment): Update.
239 (update_parameter_components): Update.
240 (expand_complex_libcall): Update.
241 (expand_complex_operations_1): Update.
242 * tree-tailcall.c (arg_needs_copy_p): Update.
243 (add_virtual_phis): Update.
244 (tree_optimize_tail_calls_1): Update.
245 * tree-ssa-dse.c (memory_ssa_name_same): Update.
246 * tree-ssa-copyrename.c
247 (copy_rename_partition_coalesce): Update.
248 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
249 * tree-ssa-propagate.c (set_rhs): Update.
250 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
251 addressable_vars, global_var):Kill.
252 (set_initial_properties): Update.
253 (init_alias_info): Update.
254 (finalize_ref_all_pointers): Update.
255 (setup_pointers_and_addressables): Update.
256 (maybe_create_global_var): Update.
257 (create_global_var): Update.
258 (dump_points_to_info): Update.
259 * function.h (struct gimple_df): Forward declare.
260 (struct function): Add GIMPLE_DF field.
261 * gimplify.c (force_gimple_operand): Update.
262 * tree-dfa.c (referenced_vars, default_defs): KIll.
263 (make_rename_temp): Update.
264 (dump_variable): Update.
265 (referenced_var_lookup): Update.
266 (referenced_var_check_and_insert): Update.
267 (default_def): Rename to ...
268 (gimple_default_def): ... this one; accept cfun argument.
269 (set_default_def): Update.
270 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
271 (cleanup_control_flow): Update.
272 * tree-ssa-pre.c (compute_avail): Update
273 * tree-ssa-live.c (calculate_live_on_entry): Update.
274 * tree-ssa.c (verify_use): Update.
275 (verify_call_clobbering): Update.
276 (verify_call_clobbering): Update.
277 (init_tree_ssa): Update.
278 (delete_tree_ssa): Update.
279 * tree-outof-ssa.c (coalesce_ssa_name): Update.
280 (rewrite_out_of_ssa): Update.
281 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
282 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
284 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
285 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
286 addressable_vars, aliases_computed_p): Kill.
287 (default_def): Rename to...
288 (gimple_default_def): ... this one.
289 (defaule_def_fn): Kill.
290 (num_referenced_vars, ssa_names, num_ssa_names): Update.
291 * tree-ssa-structalias.c (nonlocal_all): Kill.
292 (get_constraint_exp_from_ssa_var): Update.
293 (create_nonlocal_var): Update.
294 (get_constraint_for): Update.
295 (update_alias_info): Update.
296 (find_global_initializers): Update.
297 (intra_create_variable_infos): Update.
298 (intra_create_variable_infos):
299 (find_what_p_points_to): Update.
300 (init_alias_heapvars): Update.
301 * tree-cfg.c (remove_bb): Update.
302 (gimplify_val): Update.
303 * tree-ssa-reassoc.c (get_rank): Update.
304 (init_reassoc): Update.
305 * tree-ssanames.c: Do not include gt-tree-ssanames.h
306 (ssa_names, free_ssanames): Kill.
307 (init_ssanames): Update.
308 (make_ssa_name): Update.
309 (release_ssa_name): Update.
310 (release_defs): Update.
311 (replace_ssa_name_symbol): Update.
312 * tree-ssa-operands.c (access_can_touch_variable): Update.
313 (add_virtual_operand): Update.
314 (add_call_clobber_ops): Update.
315 (add_call_read_ops): Update.
316 (get_call_expr_operands): Update.
317 (get_asm_expr_operands): Update.
319 2006-11-28 Jan Hubicka <jh@suse.cz>
321 * builtins.c: Include tree-flow.h.
322 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
323 assignment; convert memmove to memcpy for sizes greater than 1 where
324 alignment of operands prohibit the partial overlap.
326 2006-11-28 Jan Hubicka <jh@suse.cz>
328 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
329 * cgraph.c (dump_cgraph_node): Dump stack usage.
330 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
331 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
332 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
333 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
334 (cgraph_check_inline_limits): Limit stack growth.
335 * cfgexpand.c: Include tree-inline.h.
336 (account_stack_vars): New function.
337 (expand_one_var): New param to just account the stack; return estimated
339 (expand_used_vars_for_block): Update call of expand_one_var.
340 (account_used_vars_for_block): New function.
341 (estimated_stack_frame_size): Likewise.
342 (init_vars_expansion, fini_vars_expansion): Break out from..
343 (expand_used_vars): ... here.
344 * tree-inline.h (estimated_stack_frame_size): Declare.
345 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
347 2006-11-28 Richard Guenther <rguenther@suse.de>
349 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
350 unsigned long for printing OBJECT_SIZE.
352 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
354 * alias.c (init_alias_analysis): Remove simplification loop
355 after propagating pointers.
357 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
359 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
362 2006-11-27 Bob Wilson <bob.wilson@acm.org>
364 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
366 2006-11-27 Roger Sayle <roger@eyesopen.com>
367 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
369 * c-common.c (constant_fits_type_p): Delete.
370 (unsigned_conversion_warning): Delete.
371 (conversion_warning): Integrate Wconversion warning from
372 unsigned_conversion_warning.
373 (convert_and_check): Integrate Woverflow warning from
374 unsigned_conversion_warning. Reorganize and simplify to avoid
375 dependence upon the middle-end setting TREE_OVERFLOW on integral
376 conversions, by using int_fits_type_p directly.
378 2006-11-27 Tobias Burnus <burnus@net-b.de>
380 * doc/invoke.texi: Fixed typo.
382 2006-11-27 Michael Matz <matz@suse.de>
383 Andreas Krebbel <krebbel1@de.ibm.com>
386 * config/s390/predicates.md (larl_operand): Check addend of larl
387 operand to be in range of -/+2GB.
388 * config/s390/s390.c (legitimize_pic_address): Likewise.
389 Changed type of variable even to HOST_WIDE_INT.
391 2006-11-27 Jan Hubicka <jh@suse.cz>
393 * expr.c (emit_block_move_via_libcall): Export.
394 (clear_storage_via_libcall): Rename to ...
395 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
396 (clear_storage): Update to set_storage_via_libcall.
397 * expr.h (emit_block_move_via_libcall): Declare
398 * config/i386/i386.h (stringop_alg): New enum.
399 (MAX_STRINGOP_ALGS): New constant.
400 (stringop_algs): New struct.
401 (processor_costs): Add memcpy/memset descriptors.
402 (TARGET_REP_MOVEL_OPTIMAL): Remove.
403 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
404 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
406 * config/i386/i386.opt (minline-stringops-dynamically,
407 mstringop-strategy): New
409 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
410 (ix86_expand-clrmem): Rename to ...
411 (ix86_expand_setmem): ... this one; update prototype.
412 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
413 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
414 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
415 nocona_cost, core2_cost, generic_cost, generic64_cost,
416 generic32_cost): Add memcpy/memset descriptors.
417 (x86_rep_movl_optimal): Remove.
418 (stringop_alg): New static variable.
419 (ix86_expand_aligntest): Handle predictions.
420 (override_options): Add strgop_alg handling.
421 (predict_jump): New function.
422 (scale_counter): New function.
423 (expand_set_or_movmem_via_loop): New function.
424 (expand_movmem_via_rep_mov): New function.
425 (expand_setmem_via_rep_stots): New function.
426 (emit_strmov): New function.
427 (expand_movmem_epilogue): New function.
428 (expand_setmem_epilogue_via_loop): New function.
429 (expand_setmem_epilogue): New function.
430 (expand_movmem_prologue): New function.
431 (expand_setmem_prologue): New function.
432 (decide_alg): New function.
433 (decide_alignment): New function.
434 (ix86_exand_movmem): Rewrite.
435 (promote_duplicated_reg): New function.
436 (ix86_expand_clrmem): Rename to ...
437 (ix86_expand_setmem): ... this one. Rewrite.
439 * invoke.texi (minline-stringops-dynamically): New command line option.
440 (mstringop-strategy): Likewise.
442 2006-11-27 Jan Hubicka <jh@suse.cz>
444 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
445 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
446 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
447 * insn-notes.def (FUNCTION_END): Remove.
448 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
449 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
451 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
452 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
453 * cfglayout.c (duplicate_insn_chain): Don't worry about
456 2006-11-27 Richard Guenther <rguenther@suse.de>
457 Zdenek Dvorak <dvorakz@suse.cz>
459 * target.h (struct gcc_target): Add builtin_vectorized_function
461 * target-def.h (TARGET_VECTORIZE): Likewise.
462 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
463 Document new target hook.
464 * targhooks.h (default_builtin_vectorized_function): Declare.
465 * targhooks.c (default_builtin_vectorized_function): Define.
466 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
467 (vectorizable_call): Declare.
468 * tree-vect-analyze.c (vect_analyze_operations): Call
470 * tree-vect-transform.c (vectorizable_function): New static function.
471 (build_vectorized_function_call): Likewise.
472 (vectorizable_call): New function.
473 (vect_transform_stmt): Handle vectorizable calls.
475 2006-11-27 Richard Guenther <rguenther@suse.de>
478 * builtins.c (expand_builtin_pow): Optimize non integer valued
479 constant exponents using sqrt or cbrt if possible. Always fall back
480 to expanding via optabs.
482 2006-11-27 Ira Rosen <irar@il.ibm.com>
484 PR tree-optimization/22372
485 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
486 the type of the base address.
487 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
488 it in the data-ref pointer creation.
489 (vect_init_vector): Add an argument, type of the init vector. Use it in
491 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
492 (get_initial_def_for_reduction): Likewise.
493 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
495 (vectorizable_assignment, vect_permute_store_chain): Likewise.
496 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
497 correct type in stmt creation.
498 (vect_setup_realignment): Use the correct type in stmt creation.
499 (vect_permute_load_chain): Change type of MODIFY_EXPR to
501 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
502 of MODIFY_EXPR to void_type_node.
503 (vectorizable_condition): Change type of MODIFY_EXPR to
505 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
508 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
511 2006-05-08 Uros Bizjak <uros@kss-loka.si>
512 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
513 standard 80387 constants, raise the cost to prevent
514 compress_float_constant() to generate load from memory.
516 * config/i386/i386.md: Add new splitter pattern to split
517 float_extended load of constant from constant pool into
520 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
522 * doc/install.texi: Move GMP/MPFR configure options from Fortran
523 section to general section. Remove documentation for
524 --with-mpfr-dir and --with-gmp-dir, add documentation for
525 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
528 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
530 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
532 * testsuite/gcc.dg/ipa/ipa-6.c: New.
534 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
536 PR tree-optimization/29122
537 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
538 for the new version. Assign NULL to DECL_RTL of the new version.
540 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
542 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
544 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
546 * cse.c (cse_altered): Remove.
547 (record_jump_equiv): Make true/false argument a bool instead
549 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
550 where appropriate. Emit a new jump before the existing one
551 instead of after so that delete_insn_and_edges removes the
552 dead edges properly. Check any_condjump_p before calling
554 (cse_basic_block): Check any_condjump_p before calling
556 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
558 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
560 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
561 -ffixed-line-length-* options.
563 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
565 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
566 (fprem1xf4): Rename to fprem1xf4_i387.
568 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
569 Rename patterns to fmod<mode>3. Use general_operand operand
570 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
571 patterns for SSE math.
572 (remaindersf3, remainderdf3): Ditto.
574 2006-11-25 Joseph Myers <joseph@codesourcery.com>
576 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
577 inside start_sequence / end_sequence pair.
579 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
581 * jump.c (mark_all_labels): Work in cfglayout mode.
582 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
583 when in cfglayout mode, because there are no dead jumptables
585 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
587 (commit_edge_insertions): Do not allow insertion of instructions
588 with control flow insns when in cfglayout mode.
590 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
592 * tree-vrp.c (execute_vrp): Do not pass loops structure through
594 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
595 unswitch_loop): Ditto.
596 * tree-loop-linear.c (linear_transform_loops): Ditto.
597 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
598 tree_ssa_lim): Ditto.
599 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
600 free_numbers_of_iterations_estimates): Ditto.
601 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
602 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
603 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
604 remove_path, add_loop, loopify, unloop, fix_loop_placements,
605 place_new_loop, duplicate_loop, duplicate_subloops,
606 update_single_exit_for_duplicated_loops, copy_loops_to,
607 duplicate_loop_to_header_edge, create_preheaders,
608 force_single_succ_latches, loop_version, fix_loop_structure):
610 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
611 tree_unroll_loop): Ditto.
612 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
613 * tree-scalar-evolution.c (select_loops_exit_conditions,
614 scev_initialize, scev_analysis): Ditto.
615 * tree-scalar-evolution.h (scev_initialize): Ditto.
616 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
617 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
618 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
619 * modulo-sched.c (sms_schedule): Ditto.
620 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
621 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
622 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
623 * ifcvt.c (if_convert): Ditto.
624 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
625 canonicalize_loop_induction_variables,
626 canonicalize_induction_variables,
627 tree_unroll_loops_completely, remove_empty_loops): Ditto.
628 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
629 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
630 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
631 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
632 tree_ssa_loop_done): Ditto.
633 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
634 estimate_bb_frequencies): Ditto.
635 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
636 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
637 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
638 decide_unrolling_and_peeling, peel_loop_completely,
639 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
640 peel_loop_simple, unroll_loop_stupid): Ditto.
641 * loop-doloop.c (doloop_optimize_loops): Ditto.
642 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
643 * loop-invariant.c (move_loop_invariants): Ditto.
644 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
645 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
646 tree_ssa_prefetch_arrays): Ditto.
647 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
649 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
650 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
651 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
652 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
653 verify_loop_structure): Ditto.
654 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
655 canonicalize_induction_variables, tree_unroll_loops_completely,
656 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
657 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
658 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
659 tree_unroll_loop, linear_transform_loops): Declaration changed.
660 * basic-block.h: Remove declaration of struct loops.
661 * cfghooks.h (struct cfg_hooks): Change type of
662 cfg_hook_duplicate_loop_to_header_edge.
663 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
664 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
665 vect_transform_loop): Declaration changed.
666 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
667 * cfgloop.h (flow_loops_dump, fix_loop_structure,
668 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
669 cancel_loop_tree, create_preheaders, force_single_succ_latches,
670 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
671 loopify, loop_version, remove_path, unswitch_loops,
672 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
675 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
677 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
678 (X87MODEF): New mode macro.
679 (ssemodefsuffix): New mode attribute.
680 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
681 (sqrt_extend<mode>xf2_i387): New insn pattern.
682 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
683 insn and truncate result back to original mode using
684 UNSPEC_TRUNC_NOOP truncation.
685 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
686 ssemodefsuffix mode attribute.
687 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
688 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
689 (*sqrtextenddfxf2_i387): Remove insn patterns.
691 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
694 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
696 2006-11-24 Jakub Jelinek <jakub@redhat.com>
699 * c-tree.h (c_maybe_initialize_eh): New prototype.
700 * c-decl.c (finish_decl): Move EH initialization...
701 (c_maybe_initialize_eh): ... here. New function.
702 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
703 if not #pragma omp atomic.
706 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
707 or UNION_TYPE inner types.
709 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
712 * ipa-pure-const.c (check_tree): If the original tree
713 is volatile return early and say the function is not pure
714 nor const. Remove the volatile check for writes.
715 (analyze_function): Print out the result of the local
718 2006-11-24 Joseph Myers <joseph@codesourcery.com>
720 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
722 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
723 * config/rs6000/rs6000.c (rs6000_override_options): Use
724 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
727 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
729 * config/s390.c (s390_emit_compare_and_swap): New function.
730 (s390_expand_cs_hqi, s390_expand_atomic): Call
731 s390_emit_compare_and_swap.
733 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
735 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
737 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
741 * c-common.c (conversion_warning): New.
742 (convert_and_check): Call conversion_warning unless there is an
744 * doc/invoke.texi (-Wconversion): Update description.
746 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
748 * tree-ssa-alias.c (tree_pointer_compare): New function.
749 (compact_name_tags): New function.
750 (group_aliases): Call compact_name_tags.
752 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
754 * real.h (real_isinteger): Declare.
755 * real.c (real_isinteger): Define.
756 * builtins.c (integer_valued_real_p): Use it.
758 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
761 * c.opt (Wtraditional-conversion): New.
762 (Wconversion): Update description.
763 * c-typeck.c (convert_arguments): Warnings for prototypes causing
764 type conversions different from what would happen in the absence
765 of prototype are now handled by Wtraditional-conversion.
766 * doc/invoke.texi (Wtraditional-conversion): New.
767 (Wconversion): Update description.
768 * doc/trouble.texi (Wconversion): Replace Wconversion by
769 Wtraditional-conversion.
771 2006-11-23 Andrew Pinski <pinskia@gmail.com>
773 * predict.c (tree_estimate_probability): Check to make
774 sure current_loops is non null before calling flow_loops_dump.
776 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
778 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
780 2006-11-23 David Ung <davidu@mips.com>
782 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
784 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
785 (ASM_SPEC): Pass along -mfp32 and -mfp64.
786 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
787 high part of FP register when in 64-bit FP register mode. Similarly
788 use gen_mfhc1 to load high part of FP register.
789 (override_options): Allow -mgp32 and -mfp64 combination if
790 ISA_HAS_MXHC1 (currently for O32 only).
791 (mips_cannot_change_mode_class): If floating-point registers are
792 bigger than word size. disallow conversion of float register from a
793 large integer mode to a float mode smaller than the float register
795 (mips_class_max_nregs): Handle float registers case seperately.
796 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
798 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
799 (movdf_hardfloat_32bit): Similarly.
800 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
801 support a full 64-bit fpu.
802 (mthc1): New pattern to generate MTHC1 instruction.
803 (mfhc1): New pattern to generate MFHC1 instruction.
804 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
805 option for the MIPS32R2 and mention its use under O32 ABI.
807 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
809 * var-tracking.c (emit_note_insn_var_location): Take care not to
810 cause verify_flow_info failures.
812 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
814 * tree-ssa-structalias.c: Remove edge weights in favor of just
815 processing them as complex constraints.
816 (struct constraint_graph): Remove weighted succs and preds. Rename
817 nonweighted succs and preds.
818 (constraint_edge): Removed.
819 (constraint_edge_t): Ditto.
820 (constraint_edge_pool): Ditto.
821 (new_constraint_edge): Ditto.
822 (constraint_edge_equal): Ditto.
823 (constraint_edge_less): Ditto.
824 (constraint_edge_vec_find): Ditto.
825 (erase_self_graph_edge): Ditto.
826 (add_graph_edge): Removed.
827 (get_graph_weights): Ditto.
828 (allocate_graph_weights): Ditto.
829 (valid_weighted_graph_edge): Ditto
830 (bitmap_other_than_zero_bit_set): Ditto.
831 (int_add_graph_edge): Renamed to add_graph_edge.
832 (clear_edges_for_node): Remove support for weighted edges.
833 (merge_graph_nodes): Ditto.
834 (valid_graph_edge): Ditto.
835 (build_constraint_graph): Ditto.
837 (collapse_nodes): Ditto.
838 (process_unification_queue): Ditto.
840 (do_ds_constraint): Ditto.
841 (perform_var_subsitution): Ditto.
842 (solve_graph): Ditto.
843 (init_alias_vars): Ditto.
844 (delete_points_to_sets): Ditto.
845 (do_complex_constraint): Support offsetted copies here.
847 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
849 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
851 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
853 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
856 2006-11-23 Ben Elliston <bje@au.ibm.com>
858 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
860 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
862 PR tree-optimization/29921
863 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
864 signed and unsigned zero equal.
866 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
868 * config/rs6000/rs6000.c (get_store_dest): New.
869 (adjacent_mem_locations): Use get_store_dest() to get
870 the rtl of the store destination.
872 2006-11-22 Joseph Myers <joseph@codesourcery.com>
874 * config/rs6000/spe.md (SPE64): New mode macro.
875 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
877 (mov_si<mode>_e500_subreg0_2): New.
878 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
880 (mov_si<mode>_e500_subreg4_2): New.
881 * config/rs6000/predicates.md (input_operand): Do not allow
882 invalid E500 subregs.
883 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
885 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
886 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
887 involving vector modes if TARGET_SPE.
889 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
892 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
893 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
895 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
897 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
898 mem_i_address_operand): New predicates.
899 * config/bfin/bfin.c (bfin_issue_rate): New function.
900 (TARGET_SCHED_ISSUE_RATE): New macro.
901 * config/bfin/bfin.md (addrtype): New attribute.
902 (slot0, slot1, slot2, store, pregs): New cpu_units.
903 (core): Now a define_reservation.
904 (alu): Remove some insn types from this reservation.
905 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
907 (dummy reservation): Don't trigger for mcld insns.
908 (absence_sets): Two new absence sets to enforce slot ordering.
909 (popsi_insn): Set addrtype.
911 2006-11-22 Ira Rosen <irar@il.ibm.com>
913 * doc/c-tree.texi: Document new tree codes.
914 * doc/md.texi: Document new optabs.
915 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
917 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
918 * optabs.h (optab_index): Add new.
919 (vec_extract_even_optab, vec_extract_odd_optab,
920 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
921 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
922 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
924 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
925 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
926 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
927 along with macros for their access.
928 * tree-data-ref.h (first_location_in_loop, data_reference): Update
930 * tree-vect-analyze.c (toplev.h): Include.
931 (vect_determine_vectorization_factor): Fix indentation.
932 (vect_insert_into_interleaving_chain,
933 vect_update_interleaving_chain, vect_equal_offsets): New functions.
934 (vect_analyze_data_ref_dependence): Add argument for interleaving
935 check. Check for interleaving if it's true.
936 (vect_check_dependences): New function.
937 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
938 every ddr. Call vect_analyze_data_ref_dependence with new argument.
939 (vect_update_misalignment_for_peel): Update for interleaving.
940 (vect_verify_datarefs_alignment): Check only first data-ref for
942 (vect_enhance_data_refs_alignment): Update for interleaving. Check
943 only first data-ref for interleaving.
944 (vect_analyze_data_ref_access): Check interleaving, update
946 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
947 with different parameters.
948 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
949 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
950 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
951 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
952 Update step in case of interleaving.
953 (vect_strided_store_supported, vect_permute_store_chain): New
955 (vectorizable_store): Handle strided stores.
956 (vect_strided_load_supported, vect_permute_load_chain,
957 vect_transform_strided_load): New functions.
958 (vectorizable_load): Handle strided loads.
959 (vect_transform_stmt): Add argument. Handle strided stores. Check
960 that vectorized stmt exists for patterns.
961 (vect_gen_niters_for_prolog_loop): Update calculation for
963 (vect_transform_loop): Remove stmt_vec_info for strided stores after
964 whole chain vectorization.
965 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
966 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
967 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
968 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
969 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
971 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
973 * cse.c (enum taken): Remove PATH_AROUND.
974 (addr_affects_sp_p, invalidate_skipped_set,
975 invalidate_skipped_block): Remove.
976 (cse_end_of_basic_block): Remove skip_blocks and related code.
977 (cse_main): Don't test for flag_cse_skip_blocks.
978 Update cse_end_of_basic_block call.
979 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
980 code to lengthen the path if a jump was simplified.
982 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
984 PR rtl-optimization/29924
985 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
986 (unroll_loop_runtime_iterations): Assert that the argument passed to
987 split_edge_and_insert is not NULL.
988 * loop-doloop.c (add_test): Ditto.
990 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
992 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
994 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
995 * cfgloopmanip.c (update_single_exits_after_duplication,
996 update_single_exit_for_duplicated_loop, loop_version): Ditto.
997 * tree-scalar-evolution.c (get_loop_exit_condition,
998 get_exit_conditions_rec, loop_closed_phi_def,
999 number_of_iterations_in_loop, scev_const_prop): Ditto.
1000 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1001 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1003 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1005 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1006 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1007 slpeel_make_loop_iterate_ntimes,
1008 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1009 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1011 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1012 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1013 vect_analyze_loop_form): Ditto.
1014 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1015 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1016 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1017 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1018 vect_transform_loop): Ditto.
1019 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1020 (single_exit, set_single_exit): New functions.
1021 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1022 (single_exit, set_single_exit): Declare.
1023 * doc/loop.texi: Undocument single_exit field. Document single_exit
1026 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1028 PR tree-optimization/29902
1029 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1030 any involved ssa name appears in abnormal phi node.
1032 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1034 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1035 (xtensa_const_ok_for_letter_p): Delete.
1036 (xtensa_extra_constraint): Delete.
1037 (override_options): Delete xtensa_char_to_class initialization.
1038 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1039 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1040 (EXTRA_CONSTRAINT): Delete.
1041 * config/xtensa/xtensa.md: Include constraints.md.
1042 (call_internal): Combine alternatives.
1043 (call_value_internal): Likewise, and remove invalid constraints.
1044 * config/xtensa/constraints.md: New file.
1045 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1046 (xtensa_extra_constraint): Delete.
1047 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1050 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1052 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1053 of conversion that doesn't fit.
1055 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1056 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1057 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1059 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1061 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1063 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1065 2006-11-21 Richard Guenther <rguenther@suse.de>
1067 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1068 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1069 vect_recog_pow_pattern.
1070 (vect_recog_pow_pattern): New function.
1072 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1074 * config/bfin/bfin.opt (mstack-check-l1): New.
1075 * doc/invoke.texi (Blackfin Options): Document it.
1076 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1077 stack bounds in L1 memory if the new option is enabled.
1078 (override_options): Don't allow combinations of -fstack-limit and
1080 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1083 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1085 (bfin_register_move_cost): Bump costs if trying to move plain
1086 integer values through accumulators.
1088 2006-11-21 Ben Elliston <bje@au.ibm.com>
1090 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1092 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1093 Russell Olsen <Russell_Olsen@playstation.sony.com>
1094 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1095 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1096 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1097 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1098 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1100 * config.gcc: Add target for SPU.
1101 * config/spu/constraints.md: New file.
1102 * config/spu/crt0.c: New file.
1103 * config/spu/crtend.c: New file.
1104 * config/spu/crti.asm: New file.
1105 * config/spu/crtn.asm: New file.
1106 * config/spu/float_unsdidf.c: New file.
1107 * config/spu/float_unssidf.c: New file.
1108 * config/spu/predicates.md: New file.
1109 * config/spu/spu-builtins.def: New file.
1110 * config/spu/spu-builtins.h: New file.
1111 * config/spu/spu-builtins.md: New file.
1112 * config/spu/spu-c.c: New file.
1113 * config/spu/spu-elf.h: New file.
1114 * config/spu/spu-modes.def: New file.
1115 * config/spu/spu-protos.h: New file.
1116 * config/spu/spu.c: New file.
1117 * config/spu/spu.h: New file.
1118 * config/spu/spu.md: New file.
1119 * config/spu/spu.opt: New file.
1120 * config/spu/spu_internals.h: New file.
1121 * config/spu/spu_intrinsics.h: New file.
1122 * config/spu/spu_mfcio.h: New file.
1123 * config/spu/t-spu-elf: New file.
1124 * config/spu/vec_types.h: New file.
1125 * config/spu/vmx2spu.h: New file.
1126 * doc/contrib.texi: Document SPU contributor.
1127 * doc/extend.texi: Document SPU extensions.
1128 * doc/invoke.texi: Document SPU options.
1129 * doc/md.texi: Document SPU constraints.
1131 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1133 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1135 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1137 (flow_loop_dump): Do not dump loop level.
1138 (flow_loops_find): Do not call flow_loops_level_compute.
1139 * cfgloop.h (struct loop): Remove level field.
1141 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1143 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1144 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1145 Use vector of edges instead of array.
1146 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1147 estimate_numbers_of_iterations_loop): Ditto.
1148 * predict.c (predict_loops): Ditto.
1149 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1150 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1152 * basic-block.h: Declare heap allocation for edge vectors.
1153 * tree-outof-ssa.c: Ditto.
1154 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1155 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1157 2006-11-20 Zack Weinberg <zackw@panix.com>
1159 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1160 Add another out parameter, "skip".
1161 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1162 is tagged "skip", do not mark its type used.
1164 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1167 * tree-sra.c (single_scalar_field_in_record_p): New function.
1168 (decide_block_copy): Use it.
1170 2006-11-20 David Daney <ddaney@avtrex.com>
1172 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1173 PC to point to following instruction.
1175 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1179 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1181 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1183 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1185 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1186 Add sh/superh.h to tm_file.
1188 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1189 Mark Mitchell <mark@codesourcery.com>
1191 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1193 (cpp_relocated): New function.
1194 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1196 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1197 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1198 replace configured prefix with gcc_exec_prefix.
1200 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1202 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1203 bfin_legitimate_constant_p.
1204 * config/bfin/bfin.md (movsi expander): Check return value of
1206 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1207 (expand_move): Adjust prototype.
1208 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1209 invalid constants specially.
1210 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1212 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1214 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1215 sibcall_value_symbol): Allow these patterns if
1216 TARGET_LEAF_ID_SHARED_LIBRARY.
1217 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1218 (override_options): Turn on id shared library flags if -msep-data,
1219 but disallow the combination of these options on the command line.
1220 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1221 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1222 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1223 -mid-shared-library.
1224 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1225 * doc/invoke.texi (Blackfin Options): Document new switches.
1227 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1228 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1230 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1231 inflate costs for addresses with an out-of-bounds address.
1233 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1236 * fwprop.c (loops): Remove.
1237 (forward_propagate_into): Use current_loops instead of
1239 (fwprop_init): Call loop_optimizer_init instead of
1241 (fwprop_done): Call loop_optimizer_finalize instead of
1243 (fwprop): Use current_loops instead of loops.
1245 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1248 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1250 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1253 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1254 larger than BITS_PER_WORD.
1256 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1260 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1261 to MAX_FIXED_MODE_SIZE.
1263 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1265 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1266 (fold_builtin_fmin_fmax): New.
1267 (fold_builtin_1): Use it.
1269 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1271 2006-11-18 Richard Guenther <rguenther@suse.de>
1273 * config/i386/i386.c (ix86_builtins): New array for ix86
1274 builtin function decls.
1275 (def_builtin): New function.
1276 (def_builtin_const): Likewise.
1277 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1279 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1281 * doc/invoke.texi (core2): Add item.
1283 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1285 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1286 (TARGET_CPU_DEFAULT_generic): Change value.
1287 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1288 (processor_type): Add new constant PROCESSOR_CORE2.
1290 * config/i386/i386.md (cpu): Add core2.
1292 * config/i386/i386.c (core2_cost): New initialized variable.
1293 (m_CORE2): New macro.
1294 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1295 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1296 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1297 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1298 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1299 x86_accumulate_outgoing_args, x86_prologue_using_move,
1300 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1301 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1302 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1303 x86_pad_returns): Add m_CORE2.
1304 (override_options): Add entries for Core2.
1305 (ix86_issue_rate): Add case for Core2.
1307 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1309 * doc/invoke.texi: Fix mno-isel typo.
1311 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1313 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1314 easy vector constant loads.
1316 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1318 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1319 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1320 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1321 * config/rs6000/sync.md (lwsync): Emit plain sync if
1324 2006-11-17 DJ Delorie <dj@redhat.com>
1326 * reload1.c (reloads_unique_chain): New.
1327 (reloads_conflict): Call it.
1329 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1331 * config/xtensa/predicates.md (addsubx_operand): New.
1332 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1333 (xtensa_emit_bit_branch): New.
1334 (xtensa_emit_movcc): New.
1335 * config/xtensa/xtensa.md (any_minmax): New code macro.
1336 (minmax): New code attribute.
1337 (any_cond, any_scc, any_scc_sf): New code macros.
1338 (*addx2, *addx4, *addx8): Delete.
1340 (*subx2, *subx4, *subx8): Delete.
1342 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1343 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1344 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1345 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1346 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1347 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1348 (movsfcc_internal0, movsfcc_internal1): Likewise.
1349 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1350 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1351 (xtensa_emit_bit_branch): New.
1352 (xtensa_emit_movcc): New.
1353 (function_arg_boundary): Add missing prototype.
1355 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1357 * config/xtensa/xtensa.md (tstsi): Delete
1359 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1361 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1363 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1365 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1367 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1369 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1371 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1373 * tree-vrp.c (execute_vrp): Do not update current_loops.
1374 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1375 * doc/loop.texi: Remove documentation for cancelled functions.
1376 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1377 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1379 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1380 (remove_path): Ensure that in delete_basic_blocks, the loops
1381 are still allocated.
1382 (add_loop): Work on valid loop structures.
1383 (loopify): Modify call of add_loop.
1384 (mfb_update_loops): Removed.
1385 (create_preheader): Do not update loops explicitly.
1386 (force_single_succ_latches, loop_version): Do not use
1387 loop_split_edge_with.
1388 (loop_split_edge_with): Removed.
1389 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1390 Do not use bsi_insert_on_edge_immediate_loop.
1391 (split_loop_exit_edge, tree_unroll_loop): Do not use
1392 loop_split_edge_with.
1393 (bsi_insert_on_edge_immediate_loop): Removed.
1394 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1395 use loop_split_edge_with.
1396 * cfghooks.c: Include cfgloop.h.
1397 (verify_flow_info): Verify that loop_father is filled iff current_loops
1399 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1400 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1402 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1404 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1405 loop_split_edge_with.
1406 (sms_schedule): Use current_loops.
1407 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1408 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1410 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1411 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1412 * ifcvt.c (if_convert): Ditto.
1413 * predict.c (predict_loops): Do not clear current_loops.
1414 (tree_estimate_probability): Use current_loops.
1415 (propagate_freq): Receive head of the region to propagate instead of
1417 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1418 (estimate_loops): New function. Handle case current_loops == NULL.
1419 (estimate_bb_frequencies): Do not allocate tovisit. Use
1421 * tree-ssa-loop.c (current_loops): Removed.
1422 (tree_loop_optimizer_init): Do not return loops.
1423 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1424 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1425 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1426 Do not update loops explicitly.
1427 * function.h (struct function): Add x_current_loops field.
1428 (current_loops): New macro.
1429 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1430 * loop-unroll.c (split_edge_and_insert): New function.
1431 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1432 use loop_split_edge_with.
1433 * loop-doloop.c (add_test, doloop_modify): Ditto.
1434 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1435 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1436 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1437 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1439 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1440 (flow_loops_free): Do not free dfs_order and rc_order.
1441 (flow_loops_find): Do not set dfs_order and rc_order in loops
1442 structure. Do not call loops and flow info verification.
1443 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1444 already belongs to some loop.
1445 * cfgloop.h (struct loops): Remove struct cfg.
1446 (current_loops, loop_split_edge_with): Declaration removed.
1447 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1448 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1449 Declaration removed.
1450 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1451 * basic-block.h (split_edge_and_insert): Declare.
1452 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1454 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1456 PR tree-optimization/29801
1457 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1458 (get_default_value): Use get_symbol_constant_value.
1459 (set_lattice_value): ICE when the value of the constant is
1461 (visit_assignment): Ignore VDEFs of read-only variables.
1463 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1465 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1467 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1468 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1470 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1472 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1473 select subvars of var.
1475 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1478 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1479 optimize if DEF doesn't have integral type.
1481 2006-11-16 Mike Stump <mrs@apple.com>
1483 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1484 pre-darwin9 system, unless the user asks for it directly.
1485 (PREFERRED_DEBUGGING_TYPE): Likewise.
1486 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1487 * config.gcc: Add suppport for darwin9.h.
1488 * config/darwin9.h: Add.
1489 * doc/install.texi (Specific): Clarify darwin documentation.
1491 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1493 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1494 optimizing for size.
1496 2006-11-16 Mike Stump <mrs@apple.com>
1498 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1500 2006-11-16 Dirk Mueller <dmueller@suse.de>
1502 * tree-vrp.c (get_value_range): Use XCNEW instead
1504 (insert_range_assertions): Use XCNEWVEC instead
1505 of XNEWVEC and memset.
1506 (vrp_initialize): Same.
1507 (vrp_finalize): Same.
1508 * tree-ssa-ccp.c (ccp_initialize): Same.
1509 * predict.c (tree_bb_level_predictions): Same.
1510 * calls.c (expand_call): Same.
1511 * tree-ssa-copy.c (init_copy_prop): Same.
1512 (fini_copy_prop): Same.
1513 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1514 of GGC_NEW and memset.
1516 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1519 * gimplify.c (gimplify_expr): Only force a load for references to
1520 non-BLKmode volatile values.
1521 * doc/implement-c.texi (Qualifiers implementation): Document the
1522 interpretation of what a volatile access is.
1523 * doc/extend.texi (C++ Extensions): Rework same documentation.
1525 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1527 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1530 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1532 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1534 (arm_neg_abssi2): Renamed from neg_abssi2.
1535 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1537 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1539 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1540 number of arguments passed to local functions in SSE registers is 3.
1542 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1543 number of arguments passed in SSE registers to 3.
1545 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1548 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1550 (get_last_bb_insn): ... new global function.
1551 (basic_block.h): Declare it.
1552 * haifa-sched.c (create_recovery_block): Use it.
1554 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1557 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1559 2006-11-15 Paul Brook <paul@codesourcery.com>
1561 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1562 _Unwind_GetTextRelBase): Move from here ...
1563 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1564 _Unwind_GetTextRelBase): ... To here.
1566 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1568 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1569 addresses we generate for testing are aligned.
1571 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1574 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1575 to what is the const decl is a place holder for.
1577 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1579 * config/i386/i386.opt: New target option -mx87regparm.
1581 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1582 and float_in_x87 variables. mmx_words, sse_words: Remove.
1583 (X87_REGPARM_MAX): Define.
1585 * config/i386/i386.c (override_options): Error out for
1586 -mx87regparm but no 80387 support.
1587 (ix86_attribute_table): Add x87regparm.
1588 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1589 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1590 (ix86_function_x87regparm): New function.
1591 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1593 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1595 (function_arg_advance): Process x87_nregs and x87_regno when
1596 floating point argument is to be passed in 80387 register.
1597 (function_arg): Pass XFmode arguments in 80387 registers for local
1598 functions. Pass SFmode and DFmode arguments to local functions
1599 in 80387 registers when flag_unsafe_math_optimizations is set.
1601 * reg-stack.c (convert_regs_entry): Disable NaN load for
1602 stack registers that are used for argument passing.
1604 * doc/extend.texi: Document x87regparm function attribute.
1605 * doc/invoke.texi: Document -mx87regparm.
1607 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1609 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1610 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1611 arg MODE; all callers changed. Use it to determine validity per
1612 machine mode instead of using Pmode for all memory references.
1613 (get_address_cost): Likewise add and use new arg MEM_MODE.
1615 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1616 J"orn Rennecke <joern.rennecke@st.com>
1618 * combine.c (likely_spilled_retval_1): Fix masking operation.
1619 (likely_spilled_retval_p): Use proper pattern for call to
1620 likely_spilled_retval_1.
1622 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1624 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1626 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1627 that tests for CONSTANT_POOL_ADDRESS_P.
1629 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1631 PR tree-optimization/29581
1632 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1633 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1634 type is different between Y and USE, create a temporary
1635 variable, initialize it at the beginning of the body bb
1636 and use it as replacement instead of Y.
1638 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1641 * gimplify.c (fold_indirect_ref_rhs): Use
1642 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1644 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1646 * expmed.c (emit_store_flag_1): New function.
1647 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1649 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1650 Use do_compare_rtx_and_jump.
1651 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1652 * arm.md (cstoresi4): New define_expand.
1653 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1654 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1655 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1657 2006-11-14 Caroline Tice <ctice@apple.com>
1659 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1660 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1662 (pubname_table): Redefine as a vector.
1663 (pubtype_table): New static global variable, defined as a vector.
1664 (pubname_table_allocated): Remove static global variable.
1665 (pubname_table_in_use): Remove static global variable.
1666 (PUBNAME_TABLE_INCREMENT): Remove constant.
1667 (size_of_pubnames): Add parameter to deal with either pubnames or
1668 pubtypes, and change code to deal with table being a vector.
1669 (add_pubname): Change to deal with table being a vector.
1670 (add_pubtype): New function.
1671 (output_pubnames): Add parameter to deal with either pubnames or
1672 pubtypes, and change code to deal with table being a vector.
1673 (gen_array_type_die): Add call to add_pubtype.
1674 (gen_enumeration_type_die): Add call to add_pubtype.
1675 (gen_struct_or_union_type_die): Add call to add_pubtype.
1676 (gen_subroutine_type_die): Add call to add_pubtype.
1677 (gen_typedef_die): Add call to add_pubtype.
1678 (dwarf2out_init): Add code to initialize pubname_table and
1679 pubtype_table vectors; also initialize debug_pubtypes_section.
1680 (prune_unused_types): Change to deal with pubnames being a vector.
1681 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1682 pubnames table to call to output_pubnames; Add code to output pubtypes
1683 table if DEBUG_PUBTYPES_SECTION is defined.
1684 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1686 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1688 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1690 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1691 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1692 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1693 movv2si_internal): Support moves between core registers.
1695 2006-11-14 Eric Christopher <echristo@apple.com>
1697 * configure: Regenerate with autoconf 2.59.
1699 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1701 Fix PR tree-optimization/27755
1703 * tree-ssa-pre.c: Update comments.
1704 (bb_bitmap_sets): Add pa_in and deferred member.
1705 (BB_DEFERRED): New macro.
1706 (maximal_set): New variable.
1707 (pre_stats): Add pa_insert member.
1708 (bitmap_set_and): Short circuit orig == dest.
1709 (bitmap_set_subtract_values): New function.
1710 (bitmap_set_contains_expr): Ditto.
1711 (translate_vuses_through_block): Add phiblock argument.
1712 (dependent_clean): New function.
1713 (compute_antic_aux): Update for maximal_set changes.
1714 (compute_partial_antic_aux): New function.
1715 (compute_antic): Handle partial anticipation.
1716 (do_partial_partial_insertion): New function.
1717 (insert_aux): Handle partial anticipation.
1718 (add_to_sets): Add to maximal set.
1719 (compute_avail): Ditto.
1720 (init_pre): Initialize maximal_set.
1721 (execute_pre): Do partial anticipation if -O3+.
1723 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1725 PR rtl-optimization/29798
1727 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1728 TARGET_INSN before any other check.
1729 (fwprop_init): Always calculate dominators.
1730 (fwprop_done): Always free them.
1732 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1734 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1737 2006-11-13 DJ Delorie <dj@redhat.com>
1739 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1740 temporary for intermediates.
1742 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1744 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1745 (sh_optimize_target_register_callee_saved): #if 0 the code
1746 using NOTE_INSN_LOOP_{BEG,END}.
1748 2006-11-13 Roger Sayle <roger@eyesopen.com>
1750 * fold-const.c (optimize_bit_field_compare): Recursively call
1751 fold when simplifying non-constant comparisons between bit-fields.
1753 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1755 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1757 * configure: Rebuilt.
1759 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1761 * config/rs6000/cell.md: New file.
1762 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1764 (ppccell_cost): New cost matrix.
1765 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1766 (rs6000_override_options): Set rs6000_always_hint to false
1767 for cell. Also align functions/lables/loops to 8byte
1768 for the Cell. Use PROCESSOR_CELL.
1769 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1770 using_mtcr_multiple.
1771 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1772 on the Cell, return 0.
1773 (rs6000_adjust_cost): Add Cell cost adjustments.
1774 (is_microcoded_insn): Return true for Cell microcoded
1776 (is_nonpipeline_insn): New function.
1777 (rs6000_issue_rate): Add PROCESSOR_CELL.
1778 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1780 (rs6000_use_sched_lookahead_guard): New function.
1781 (rs6000_sched_reorder): Reorder the ready list, if the second
1782 to last ready insn is a nonepipeline insn on the Cell.
1783 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1784 (ASM_CPU_SPEC): Add Cell.
1785 * config/rs6000/rs6000.md (cpu): Add Cell.
1786 (cell_micro): New Attr.
1789 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1791 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1793 * configure: Rebuilt.
1795 2006-11-13 Richard Guenther <rguenther@suse.de>
1797 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1799 (ix86_expand_lfloorceil): Likewise.
1800 (ix86_expand_rint): Likewise.
1801 (ix86_expand_floorceildf_32): Likewise.
1802 (ix86_expand_floorceil): Likewise.
1803 (ix86_expand_rounddf_32): Likewise.
1804 (ix86_expand_truncdf_32): Likewise.
1805 (ix86_expand_round): Likewise.
1807 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1808 Mark Mitchell <mark@codesourcery.com>
1810 * gcc.c: Organize search path variables into $prefix relative,
1811 and well-known native. Add comments.
1812 (add_sysrooted_prefix): Add comment.
1813 (process_command): If !gcc_exec_prefix add $prefix based paths.
1814 If *cross_compile == '0', add native well-known paths.
1815 Assert tooldir_base_prefix is always relative.
1816 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1817 use this value for 'install:' path.
1818 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1820 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1822 * config/i386/i386.c: Fix a typo in comment.
1824 2006-11-13 Michael Matz <matz@suse.de>
1826 * genemit.c (gen_expand): Allocate enough memory.
1828 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1830 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1831 __GXX_TYPEINFO_EQUALITY_INLINE but not
1832 __GXX_MERGED_TYPEINFO_NAMES.
1833 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1834 __GXX_MERGED_TYPEINFO_NAMES.
1835 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1836 __GXX_TYPEINFO_EQUALITY_INLINE.
1838 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1839 Zdenek Dvorak <dvorakz@suse.cz>
1841 PR tree-optimization/29680
1842 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1845 2006-11-12 Jason Merrill <jason@redhat.com>
1846 Andrew Pinski <pinskia@physics.uc.edu>
1849 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1851 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1853 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1854 * tree.c (build_vector): Handle non-_CST elements.
1856 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1858 * genemit.c (gen_insn): Call gen_exp with a non-null used
1859 when handling multiple insns.
1860 (gen_expand): Likewise.
1861 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1862 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1863 (movsi_const_16bit+1): Copy operands[1].
1864 (call_pcrel): Copy the call_site pattern.
1865 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1867 2006-11-12 Roger Sayle <roger@eyesopen.com>
1869 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1870 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1871 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1872 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1874 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1876 Fix PR tree-optimization/29587
1877 * tree-ssa-structalias.c (process_constraint): Don't
1878 mark address taken due only to escaped vars constraint.
1880 2006-11-12 Michael Matz <matz@suse.de>
1881 Roger Sayle <roger@eyesopen.com>
1883 PR rtl-optimization/29797
1884 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1885 BITS_BIG_ENDIAN targets.
1887 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1889 * builtins.c (fold_builtin_cosh): New.
1890 (fold_builtin_1): Use it.
1891 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1892 trunc to the list of "odd" functions. Also add llrint, lrint,
1893 rint and nearbyint when flag_rounding_math is false.
1895 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1897 * tree-flow.h (name_mappings_registered_p): Declare.
1898 * tree-into-ssa.c (name_mappings_registered_p): New function.
1899 * tree-cfg.c (tree_can_merge_blocks_p): Check
1900 name_mappings_registered_p instead of need_ssa_update_p.
1902 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1904 * tree-ssa-loop.c (tree_vectorize): Return the result of
1906 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1907 if anything changed.
1908 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1909 * tree-flow.h (vectorize_loops): Declaration changed.
1911 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1913 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1915 (issue_prefetch_ref): Move assignment to write_p out of loop.
1916 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1917 SIMULTANEOUS_PREFETCHES into account.
1918 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1919 * lambda-code.c (lcm): Renamed to ...
1920 (least_common_multiple): ... and exported.
1921 * tree-flow.h (least_common_multiple): Declare.
1923 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1925 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
1926 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
1927 ud-chains. Handle AND_EXPR.
1928 (record_estimate): Record whether the estimate is realistic
1929 and whether it is derived from a loop exit.
1930 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
1931 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
1933 (compute_estimated_nb_iterations): Take only realistic bounds into
1934 account. Set estimate_state. Use double_ints.
1935 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
1936 and infer_loop_bounds_from_signedness. Do not consider basic blocks
1937 that do not have to be always executed.
1938 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
1939 to determine whether to call infer_loop_bounds_from_undefined
1940 and compute_estimated_nb_iterations.
1941 (n_of_executions_at_most): Use double_ints.
1942 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
1943 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
1944 * double-int.c (double_int_to_tree): Improve comment.
1945 (double_int_fits_to_tree_p): New function.
1946 * double-int.h (double_int_fits_to_tree_p): Declare.
1947 * tree-data-ref.c: Include langhooks.h.
1948 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
1949 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
1950 (analyze_array): Do not pass estimate_only argument to
1951 analyze_array_indexes.
1952 (get_number_of_iters_for_loop): Build tree from the stored double_int
1954 (get_references_in_stmt, find_data_references_in_stmt): New functions.
1955 (find_data_references_in_loop): Use find_data_references_in_stmt.
1956 * tree-data-ref.h (struct data_ref_loc_d): New.
1957 (get_references_in_stmt): Declare.
1958 (estimate_iters_using_array): Declaration removed.
1959 * cfgloop.h (struct nb_iter_bound): Change type of bound to
1960 double_int. Improve comments. Add is_exit and realistic
1962 (struct loop): Changed type of estimated_nb_iterations to double_int.
1963 Added estimate_state field.
1964 (record_estimate): Declaration removed.
1966 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1968 * params.c (set_param_value): Initialize the "set" field.
1969 * params.h (struct param_info): Add "set" field.
1970 (PARAM_SET_P): New macro.
1971 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
1972 L1_CACHE_LINE_SIZE): New macros.
1973 * toplev.c (DEFPARAM): Initialize the "set" field.
1974 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
1975 SIMULTANEOUS_PREFETCHES): Removed.
1976 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
1977 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
1978 * config/sparc/sparc.c: Include params.h.
1979 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
1980 L1_CACHE_LINE_SIZE parameters.
1981 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1983 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
1985 * config/i386/i386.c: Include params.h.
1986 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
1987 (override_options): Set SIMULTANEOUS_PREFETCHES and
1988 L1_CACHE_LINE_SIZE parameters.
1989 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
1990 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
1991 L1_CACHE_LINE_SIZE parameters.
1992 * config/ia64/ia64.c (ia64_optimization_options): Set
1993 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
1994 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
1996 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
1997 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
1998 * doc/invoke.texi: Document new params.
2000 2006-11-12 Roger Sayle <roger@eyesopen.com>
2002 PR tree-optimization/13827
2003 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2006 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2008 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2009 update_single_exit_for_duplicated_loops): New functions.
2010 (duplicate_loop_to_header_edge): Use
2011 update_single_exit_for_duplicated_loops.
2012 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2013 functions only with ENABLE_CHECKING.
2015 2006-11-12 Andreas Schwab <schwab@suse.de>
2017 * except.c (sjlj_emit_function_enter): Remove unused variable.
2019 2006-11-11 Roger Sayle <roger@eyesopen.com>
2021 * fold-const.c (int_binop_types_match_p): New function.
2022 (size_binop): Relax constraint that both arguments must both have
2023 exactly the same sizetype type. Instead use int_binop_types_match_p.
2024 (size_diffop): Likewise.
2026 (make_range): Use build_int_cst instead of fold_convert.
2027 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2028 integer constants of the correct type.
2029 (fold_div_compare): Likewise.
2030 (fold_single_bit_test): Likewise.
2031 (fold_binary): Likewise.
2032 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2033 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2035 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2038 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2039 non null value if the struct memory access is in the 0th
2042 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2045 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2046 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2049 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2050 instead of builtin_define for bfin and BFIN.
2052 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2054 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2057 2006-11-11 Jan Hubicka <jh@suse.cz>
2059 * extend.texi (__builtin_expect): We no longer require second argument
2061 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2062 * builtins.c (expand_builtin_expect): Simplify.
2063 (expand_builtin_expect_jump): Kill.
2064 * final.c (final_scan_insn): Do not skip the removed notes.
2065 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2066 EXPECTED_VALUE): Remove.
2067 * dojump.c (do_jump): Do not care about __builtin_expect.
2068 * predict.c (expected_value_to_br_prob): Kill.
2069 * function.c (expand_function_end): Do not expand
2070 NOTE_INSN_REPEATED_LINE_NUMBER.
2071 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2072 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2073 * cfgexpand.c (add_reg_br_prob_note): Export.
2074 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2075 expected_value_to_br_prob.
2076 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2077 * rtl.h (add_reg_br_prob_note): Declare.
2079 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2081 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2083 2006-11-11 Jan Hubicka <jh@suse.cz>
2085 * predict.c (predict_loops): Kill RTL variant.
2087 2006-11-11 Jan Hubicka <jh@suse.cz>
2089 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2090 * modulo-sched.c (find_line_note): Remove.
2091 (loop_canon_p): Do not worry about line number notes.
2092 (sms_schedule): Likewise.
2093 * cse.c (cse_main): Likewise.
2094 * regmove.c (fixup_match_1): Likewise
2095 * function.c (emit_return_info_block): Likewise.
2096 (expand_function_end): Likewise.
2097 (thread_prologue_an_epilogue_insns): Likewise.
2098 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2100 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2101 emit_note_copy_after): Kill.
2102 (emit_note_copy): Do not worry about line numbers.
2103 * jump.c (purge_line_number_notes): Kill.
2104 (pass_purge_lineno_notes): Kill.
2105 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2107 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2108 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2109 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2110 * tree-pass.h (pass_purge_lineno_notes): Kill.
2111 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2112 rm_redundant_line_notes.
2113 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2114 rm_redundant_line_notes.
2115 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2116 * haifa-sched.c: Update comment about handling notes.
2117 (unlink_line_notes): Kill.
2118 (rm_line_notes): Kill.
2119 (save_line_notes): Simplify.
2120 (rm_redundant_line_notes): Kill.
2122 2006-11-11 Richard Guenther <rguenther@suse.de>
2124 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2125 Remove unused tree codes.
2126 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2127 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2128 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2129 * tree.c (stabilize_reference): Likewise.
2130 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2131 fold_unary): Likewise.
2132 * tree-gimple.c (is_gimple_cast): Likewise.
2133 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2134 * expr.c (expand_expr_real_1): Likewise.
2135 * tree-eh.c (tree_could_trap_p): Likewise.
2136 * gimplify.c (gimplify_expr): Likewise.
2137 * tree-inline.c (estimate_num_insns_1): Likewise.
2138 * tree-cfg.c (verify_expr): Likewise.
2140 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2142 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2143 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2144 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2146 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2149 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2150 constraints accept neither registers or memories.
2152 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2154 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2155 (NO_PROFILE_COUNTERS): Define as 1.
2157 2006-11-10 Roger Sayle <roger@eyesopen.com>
2159 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2160 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2162 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2164 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2166 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2168 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2169 (fold_builtin_hypot): Likewise.
2170 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2172 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2174 2006-11-10 Roger Sayle <roger@eyesopen.com>
2176 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2177 when attempting to build INTEGER_CSTs of non-integral types.
2178 * expmed.c (make_tree): Use the correct type, i.e. the inner
2179 type, when constructing the individual elements of a CONST_VECTOR.
2181 2006-11-10 Jan Hubicka <jh@suse.cz>
2183 * cse.c (cse_process_notes): Copy the propagated value.
2184 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2186 * gcse.c (try_replace_reg): Copy the replacement.
2187 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2188 (assign_386_stack_local): Always return copied memory expression
2189 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2192 2006-11-10 Jan Hubicka <jh@suse.cz>
2194 * final.c (final): Walk from first instruction.
2195 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2197 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2200 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2202 (umulv8hi3_highpart): Ditto.
2203 (vec_widen_smult_hi_v8hi): New expander.
2204 (vec_widen_smult_lo_v8hi): Ditto.
2206 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2209 * builtins.c (do_mpfr_arg3): New.
2210 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2212 2006-11-09 Eric Christopher <echristo@apple.com>
2217 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2218 * config.gcc (powerpc64-*-darwin*): New target.
2219 * config.host: Ditto.
2220 * config/rs6000/darwin64.h: New file.
2221 * config/rs6000/x-darwin64: Ditto.
2222 * config/rs6000/host-ppc64-darwin.c: Ditto.
2224 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2226 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2227 routines for integer division.
2229 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2231 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2233 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2236 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2238 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2240 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2241 simplify_subreg with BLKmode outer mode.
2243 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2245 * doc/invoke.texi: Minor formatting fixes in option lists.
2247 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2249 PR tree-optimization/29738
2250 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2251 (ccp_lattice_t): Remove UNKNOWN_VAL.
2252 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2253 Do not handle UNKNOWN_VAL.
2254 (get_default_value): Set initial value of virtual operands to
2256 (get_value): Always use get_default_value on uninitialized
2258 (set_value_varying, surely_varying_stmt_p): New functions.
2259 (set_lattice_value): Do not pass argument to get_value.
2260 Do not handle UNKNOWN_VAL.
2261 (likely_value): Follow the semantics described in the comment.
2262 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2263 phi nodes DONT_SIMULATE_AGAIN.
2264 (ccp_fold): Do not pass argument to get_value.
2265 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2268 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2270 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2271 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2273 2006-11-08 Roger Sayle <roger@eyesopen.com>
2275 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2276 test for inclusion rather than as a test for exclusion.
2277 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2278 the condition after calling fold_binary.
2279 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2280 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2281 * builtins.c (fold_builtin_isascii): Likewise.
2282 (fold_builtin_isdigit): Likewise.
2284 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2286 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2287 * configure: Regenerate.
2289 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2291 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2292 enum argument instead of bool.
2293 (vect_analyze_operations): Call vectorizable_type_promotion.
2294 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2295 stmt_vec_info_type value.
2296 (supportable_widening_operation, vectorizable_type_promotion): New
2297 function declarations.
2298 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2299 (vectorizable_type_promotion): New function.
2300 (vect_transform_stmt): Call vectorizable_type_promotion.
2301 * tree-vect-analyze.c (supportable_widening_operation): New function.
2302 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2304 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2307 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2308 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2309 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2311 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2312 * expr.c (expand_expr_real_1): Likewise.
2313 * optabs.c (optab_for_tree_code): Likewise.
2314 (init_optabs): Initialize new optabs.
2315 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2316 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2317 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2318 vec_unpacku_lo_optab): Initialize new optabs.
2319 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2320 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2321 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2323 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2324 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2325 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2326 (vec_unpacku_lo_optab): New optabs.
2327 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2328 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2329 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2330 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2331 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2332 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2334 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2335 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2336 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2337 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2338 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2339 implement the unsigned unpacking patterns.
2340 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2341 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2342 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2343 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2344 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2345 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2346 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2347 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2348 multiplication patterns.
2350 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2351 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2352 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2353 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2354 (rs6000_builtin_mul_widen_odd): New.
2355 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2356 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2357 * tree-vectorizer.h (enum vect_relevant): New enum type.
2358 (_stmt_vec_info): Field relevant chaned from bool to enum
2360 (STMT_VINFO_RELEVANT_P): Updated.
2361 (STMT_VINFO_RELEVANT): New.
2362 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2363 instead of STMT_VINFO_RELEVANT_P.
2364 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2365 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2366 and boolean variable with enum vect_relevant.
2367 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2368 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2369 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2371 2006-11-08 Richard Henderson <rth@redhat.com>
2373 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2374 vec_widen_umult_lo_v8hi): New.
2375 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2376 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2378 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2379 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2380 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2381 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2382 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2383 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2384 vec_unpacks_lo_v4si): New.
2386 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2388 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2389 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2390 (vect_analyze_operations): Call vectorizable_type_demotion.
2391 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2392 stmt_vec_info_type value.
2393 (vectorizable_type_demotion): New function declaration.
2394 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2397 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2398 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2400 * tree-iniline.c (estimate_num_insns_1): Likewise.
2401 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2402 * optabs.c (optab_for_tree_code): Likewise.
2404 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2405 compared against the predicate of the result is not 'mode' (the input
2406 to the function) but a mode with half the size of 'mode'.
2407 (init_optab): Initialize new optabs.
2408 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2410 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2412 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2413 (vec_pack_usat_optab): Initialize new optabs.
2414 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2415 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2417 2006-11-08 Richard Henderson <rth@redehat.com>
2419 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2420 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2421 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2422 (vec_interleave_highv4si, vec_interleave_lowv4si):
2423 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2425 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2427 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2429 (vect_transform_stmt): Removed redundant code.
2431 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2433 * tree-vect-transform.c (vectorizable_operation): Support multiple
2436 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2438 * tree-vect-transform.c (vect_align_data_ref): Removed.
2439 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2440 Updated function documentation. Return the increment stmt in ptr_incr.
2441 (bump_vector_ptr): New function.
2442 (vect_get_vec_def_for_stmt_copy): New function.
2443 (vect_finish_stmt_generation): Create a stmt_info to newly created
2445 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2447 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2448 VF is greater than the number of elements that can fit in one vector
2450 (vectorizable_operation, vectorizable_condition): Likewise.
2451 (vectorizable_store, vectorizable_load): Support the case that the VF
2452 is greater than the number of elements that can fit in one vector word.
2453 (vect_transform_loop): Don't fail in case of multiple data-types.
2454 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2455 in case of multiple data-types; the smallest type determines the VF.
2456 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2457 if they are of different sizes.
2458 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2459 number of elements rather than number of bytes.
2460 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2461 (vect_can_advance_ivs_p): Fix a dump printout
2463 2006-11-07 Eric Christopher <echristo@apple.com>
2465 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2466 (__bswapsi2): Ditto.
2467 * libgcc2.h: Remove transformation of bswap routines.
2468 * config/i386/i386.md (bswapsi2): New.
2471 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2473 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2474 (handle_gnu_inline_attribute): New function.
2475 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2476 (merge_decls, start_decl, start_function): Likewise.
2477 * doc/extend.texi: Document gnu_inline attribute.
2479 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2482 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2483 _fixunstfdi, and _floatditf
2485 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2487 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2489 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2490 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2491 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2492 which start in an odd register.
2494 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2496 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2498 2006-11-07 Josh Conner <jconner@apple.com>
2500 * doc/invoke.texi (fstrict-aliasing): Move implementation
2502 * doc/tree-ssa.texi (Alias analysis): ...here.
2504 2006-11-07 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/29610
2507 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2508 of tree_purge_dead_eh_edges as it may free dominators.
2510 * g++.dg/other/pr29610.C: New testcase.
2512 2006-11-07 David Ung <davidu@mips.com>
2514 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2515 costs when optimizing for size.
2516 (override_options): Use mips_rtx_cost_optimize_size table for cost
2519 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2521 * gcc.c (process_command): Treat -b as normal switch if its argument
2524 2006-11-07 David Ung <davidu@mips.com>
2526 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2529 2006-11-06 Eric Christopher <echristo@apple.com>
2531 * config.gcc: Add x86_64-darwin host support.
2532 * config.host: Ditto.
2533 * config/i386/darwin64.h: New file.
2534 * config/i386/t-darwin64: Ditto.
2536 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2538 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2539 and output-exists-not.
2541 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2544 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2545 checking for overflow.
2547 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2549 * configure.ac: Fixed typo in case statement: :: changed to ;;
2551 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2553 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2554 count_leading_zeros, and count_trailing_zeros.
2555 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2556 (TARGET_FOLD_BUILTIN): Define.
2557 (TARGET_EXPAND_BUILTIN): Define.
2558 (xtensa_init_builtins): New.
2559 (xtensa_fold_builtin): New.
2560 (xtensa_expand_builtin): New.
2561 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2562 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2563 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2564 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2565 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2566 (any_extend): New code macro.
2567 (u, su): New code attributes.
2568 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2569 (nsau): Remove; replaced by clzsi2.
2570 (ffssi2): Use clzsi2.
2571 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2572 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2573 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2574 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2575 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2577 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2579 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2581 * config/arm/t-strongarm-elf: Likewise.
2582 * config/arm/t-pe: Likewise.
2583 * config/arm/t-arm-elf: Likewise.
2584 * config/arm/t-xscale-elf: Likewise.
2585 * config/arm/t-arm-coff: Likewise.
2586 * config/arm/t-xscale-coff: Likewise.
2587 * config/arm/t-wince-pe: Likewise.
2589 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2591 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2594 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2597 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2600 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2603 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2604 as a valid 80387 constant.
2605 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2606 * config/i386/i386.md (unnamed splitter): Split the load of
2607 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2610 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2612 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2613 from the soft-frame, argument and virtual registers.
2615 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2617 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2618 patterns for standard 80387 constants.
2620 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2621 Steven Bosscher <steven@gcc.gnu.org>
2623 * fwprop.c: New file.
2624 * Makefile.in: Add fwprop.o.
2625 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2626 * passes.c (init_optimization_passes): Schedule forward propagation.
2627 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2629 * timevar.def (TV_FWPROP): New.
2630 * common.opt (-fforward-propagate): New.
2631 * opts.c (decode_options): Enable forward propagation at -O2.
2632 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2633 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2634 canon_for_address, table_size): Remove.
2635 (new_basic_block, insert, remove_from_table): Remove references to
2637 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2638 simplification loop more straightforward by not calling fold_rtx
2640 (equiv_constant): Move here a small part of fold_rtx_subreg,
2641 do not call fold_rtx. Call avoid_constant_pool_reference
2643 * recog.h (canonicalize_change_group): New.
2645 * doc/invoke.texi (Optimization Options): Document fwprop.
2646 * doc/passes.texi (RTL passes): Document fwprop.
2648 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2650 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2651 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2652 (grokdeclarator): Likewise.
2654 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2656 * tree-dump.c (dump_enable_all): Rename local variable
2657 ir_type to avoid name conflicts.
2658 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2659 instead of using ir_type().
2660 * profile.c (tree_register_profile_hooks): Likewise.
2661 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2662 * basic-block.h (struct edge_def): Likewise.
2663 * config/arm/arm.c (legitimize_pic_address): Likewise.
2664 * coretypes.h (ir_type): New enum of all intermediate languages
2666 * cfghooks.c (ir_type): Rename to...
2667 (current_ir_type): ...this. Distinguish between cfgrtl and
2668 cfglayout mode when the current IR is RTL. Return enum ir_type.
2669 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2671 2006-11-03 Paul Brook <paul@codesourcery.com>
2673 * config/arm/arm.c (arm_file_start): New function.
2674 (TARGET_ASM_FILE_START): Define.
2675 (arm_default_cpu): New variable.
2676 (arm_override_options): Set arm_default_cpu.
2678 2006-11-03 David Ung <davidu@mips.com>
2680 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2681 PROCESSOR_24KC and PROCESSOR_24KF.
2682 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2683 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2684 (mips_rtx_cost_data): Add costs for the 24kc.
2685 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2686 * config/mips/24k.md: Remove references to 24k and replace with
2687 uses of 24kc/24kf in the appropriate reservations.
2688 * doc/invoke.texi (MIPS Options): Updated.
2690 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2692 * config/sh/crt1.asm: Fix #ifdef indent.
2694 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2695 Merged from STMicroelectronics sources:
2696 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2697 * config/sh/crt1.asm (vbr_600): Add missing #if.
2698 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2699 * sh.opt (mfused-madd): New option.
2700 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2701 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2702 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2703 Remove pointless handler at VBR+0.
2704 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2705 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2706 fr7. Make sure the timer handler is called with the correct FPU
2707 precision setting, according to the ABI.
2708 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2709 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2710 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2711 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2712 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2713 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2714 zero as second operand.
2715 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2716 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2717 Fixed some bugs related to negative values, in particular -0
2718 and overflow at -0x80000000.
2719 * config/sh/divcost-analysis: Added sh4-300 figures.
2720 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2721 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2722 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2723 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2724 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2725 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2727 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2729 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2730 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2731 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2732 mac_mem, mem_mac, dfp_mul, fp_cmp.
2733 (insn_class, dfp_comp, any_fp_comp): Update.
2734 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2735 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2736 (muldf3_i): Likewise.
2737 (movsi_i): Split rI08 alternative into two separate alternatives.
2739 (movsi_ie, movsi_i_lowpart): Likewise.
2740 (movqi_i): Split ri alternative into two separate alternatives.
2742 * sh1.md (sh1_load_store, sh1_fp): Update.
2743 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2744 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2745 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2746 (sh4a_fp_double_arith): Likewise.
2747 * sh4-300.md: New file.
2748 * sh.c (sh_handle_option): Handle m4-300* options.
2749 (sh_adjust_cost): Fix latency of auto-increments.
2750 Handle SH4-300 differently than other SH4s. Check for new insn types.
2751 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2752 been set by an option.
2753 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2754 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2755 (mbranch-cost=): Likewise.
2756 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2758 * sh.md (mulsf3): Remove special expansion code.
2759 (mulsf3_ie): Now a define_insn_and_split.
2760 (macsf3): Allow for TARGET_SH4.
2762 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2763 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2764 (expand_cbranchdi4): Likewise.
2765 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2766 CONST_DOUBLE if the outer code is COMPARE.
2767 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2768 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2769 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2770 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2771 Remove redundant fp_{zero,one}_operand checks.
2772 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2773 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2774 (expand_cbranchdi4): Likewise.
2775 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2776 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2778 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2780 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2783 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2785 * doc/invoke.texi: Fix mfp-trap-mode typo.
2787 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2789 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2790 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2791 file_end_indicate_exec_stack.
2792 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2794 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2795 for a non-executable stack.
2796 * crti.asm: Likewise.
2797 * crtn.asm: Likewise.
2798 * libunwind.S: Likewise.
2800 2006-11-02 Ben Elliston <bje@au.ibm.com>
2802 * tree-ssa.c (warn_uninit): Use expand_location variables for
2803 locus and declaration locus.
2805 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2808 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2809 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2810 cmp{eq,gt,gtu}{si,di}_media.
2811 (*cmpne0si_media): Remove.
2812 (*movsicc_umin): Adjust gen_cmp*_media call.
2813 (unordered): Change the mode of unordered and operands[1] to
2815 (seq): Adjust gen_cmp*_media calls. Make the mode of
2816 a temporary result of compare SImode if needed. If the mode
2817 of operands[0] is DImode, extend the temporary result to DImode.
2818 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2819 (sunorderd): Change the mode of match_operand and unorderd to
2821 (cmpeq{sf,df}_media): Remove.
2822 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2823 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2824 and compare operation to SImode.
2826 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2828 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2830 (sparc64-sun-solaris2*): Likewise.
2832 2006-11-02 Paul Brook <paul@codesourcery.com>
2834 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2835 from priority argument. Use different section for non-default
2837 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2839 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2842 * except.c (switch_to_exception_section): Do not cache the section
2843 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2844 and flag_function_sections is set.
2846 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2849 * builtins.c (do_mpfr_sincos): New.
2850 (fold_builtin_1): Use it to fold builtin sincos.
2852 2006-11-01 Roger Sayle <roger@eyesopen.com>
2854 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2855 it into -D_REENTRANT.
2857 2006-11-01 Roger Sayle <roger@eyesopen.com>
2859 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2860 whether the assembler supports taking the difference of symbols in
2861 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2862 * configure: Regenerate.
2863 * config.in: Regenerate.
2864 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2865 the assembler doesn't support taking the difference of symbols in
2866 different sections, i.e. we're using the native solaris assembler.
2868 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2869 Peter Bergner <bergner@vnet.ibm.com>
2871 * doc/invoke.texi: Add cpu_type power6x
2872 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2873 * config.gcc: Add cpu_type power6x.
2874 * configure.ac: Add test for mf{t,f}gpr instructions.
2875 (HAVE_AS_MFPGPR): New.
2876 * config.in: Regenerate.
2877 * configure: Regenerate.
2878 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2879 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2880 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2881 and mftgpr attributes.
2882 (define_attr "cpu"): Add power6.
2883 Change instruction sequences to use new attributes.
2884 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2885 (fix_truncdfsi2_mfpgpr): New.
2886 (floatsidf_ppc64_mfpgpr): New.
2887 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2888 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2889 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2890 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2891 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2892 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2893 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2894 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2895 cntlz,exts and var_delayed_compare.
2896 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2897 _ARCH_PWR6X, if features enabled.
2898 * config/rs6000/rs6000.opt (mmfpgpr): New.
2899 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2900 (cached_can_issue_more): New variable.
2901 (processor_costs): Add power6_cost.
2902 (rs6000_sched_init): New function.
2903 (is_dispatch_slot_restricted): Deleted.
2904 (set_to_load_agen): New function.
2905 (is_load_insn,is_store_insn): New functions.
2906 (adjacent_mem_locations): New function.
2907 (insn_must_be_first_in_group): New function.
2908 (insn_must_be_last_in_group): New function.
2909 (rs6000_sched_reorder): New function.
2910 (rs6000_sched_reorder2): New function.
2911 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2912 TARGET_SCHED_REORDER2): Define.
2913 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2914 Add power6x. Add MASK_MFPGPR for power6x.
2915 (POWERPC_MASKS): Add MASK_MFPGPR.
2916 (rs6000_override_options): Set rs6000_always_hint to false
2917 for power6. Set rs6000_align_branch_targets. Replace
2918 rs6000_sched_groups check with rs6000_align_branch_targets.
2919 Use PROCESSOR_POWER6.
2920 (last_scheduled_insn): New variable.
2921 (load_store_pendulum): New variable.
2922 (rs6000_variable_issue): Set last_scheduled_insn and
2923 cached_can_issue_more.
2924 (rs6000_adjust_cost): Add power6 cost adjustments.
2925 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
2926 with insn_must_be_first_in_group. Add power6 priority adjustments.
2927 (rs6000_issue_rate): Add CPU_POWER6.
2928 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
2929 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
2930 (TARGET_MFPGPR): New.
2931 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
2932 (ASM_CPU_SPEC): Add power6x.
2933 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
2935 * config/rs6000/power6.md: New file.
2937 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
2939 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2940 HOST_WIDE_INT_PRINT to print high and low parts. Use
2941 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
2942 printing a hexadecimal number prefix it with 0x.
2944 2006-11-01 Chris Johns <chris@contemporary.net.au>
2947 * Makefile.in (install-driver): Use exeext when installing
2948 $target-gcc-$version.
2950 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
2952 * c-common.c (flag_cpp0x): New.
2953 * c-common.h (flag_cpp0x): New.
2954 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
2955 supported, define __GXX_EXPERIMENTAL_CPP0X__.
2956 * c-opts.c (set_std_cxx0x): New.
2957 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
2958 * c.opt (std=c++0x): Document.
2959 (std=gnu++0x): Ditto.
2960 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
2961 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
2963 2006-11-01 Richard Guenther <rguenther@suse.de>
2965 * config/i386/i386.c (ix86_expand_rint): Fix issues with
2967 (ix86_expand_floorceildf_32): Likewise.
2968 (ix86_expand_floorceil): Likewise.
2969 (ix86_expand_trunc): Likewise.
2971 2006-10-31 Andrew Pinski <pinskia@gmail.com>
2973 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
2976 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
2978 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
2980 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
2982 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
2984 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
2985 * configure.ac (use_cxa_atexit): As a special case, don't test
2986 for libc definition of __cxa_atexit on mingw32
2987 * configure: Regenerate.
2988 * config.gcc (i[34567]86-pc-mingw32): Default to
2989 enable__cxa_atexit=yes.
2991 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2993 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
2995 2006-10-31 Geoffrey Keating <geoffk@apple.com>
2998 * c-decl.c (start_struct): Don't create self-containing
3000 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3002 * config/rs6000/rs6000-protos.h
3003 (darwin_rs6000_special_round_type_align): New.
3004 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3005 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3007 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3009 * toplev.c (compile_file): Call final_write_globals
3010 even if there have been errors.
3012 2006-10-31 Eric Christopher <echristo@apple.com>
3013 Falk Hueffner <falk@debian.org>
3015 * doc/extend.texi (__builtin_bswap32): Document.
3016 (__builtin_bswap64): Ditto.
3017 * doc/libgcc.texi (bswapsi2): Document.
3019 * doc/rtl.texi (bswap): Document.
3020 * optabs.c (expand_unop): Don't widen a bswap.
3021 (init_optabs): Init bswap. Set libfuncs explicitly
3022 for bswapsi2 and bswapdi2.
3023 * optabs.h (OTI_bswap): New.
3024 (bswap_optab): Ditto.
3025 * genopinit.c (optabs): Handle bswap_optab.
3026 * tree.h (tree_index): Add TI_UINT32_TYPE and
3028 (uint32_type_node): New.
3029 (uint64_type_node): Ditto.
3030 * tree.c (build_common_tree_nodes_2): Initialize
3031 uint32_type_node and uint64_type_node.
3032 * builtins.c (expand_builtin_bswap): New.
3033 (expand_builtin): Call.
3034 (fold_builtin_bswap): New.
3035 (fold_builtin_1): Call.
3036 * fold-const.c (tree_expr_nonnegative_p): Return true
3038 * builtin-types.def (BT_UINT32): New.
3040 (BT_FN_UINT32_UINT32): Ditto.
3041 (BT_FN_UINT64_UINT64): Ditto.
3042 * builtins.def (BUILT_IN_BSWAP32): New.
3043 (BUILT_IN_BSWAP64): Ditto.
3044 * rtl.def (BSWAP): New.
3045 * genattrtab.c (check_attr_value): New.
3046 * libgcc2.c (__bswapSI2): New.
3047 (__bswapDI2): Ditto.
3048 * libgcc2.h (__bswapSI2): Declare.
3049 (__bswapDI2): Ditto.
3050 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3051 * simplify-rtx.c (simplify_const_unary_operation): Return
3053 * libgcc-std.ver (__bwapsi2): Add.
3054 (__bswapdi2): Ditto.
3055 * reload1.c (eliminate_regs_1): Add bswap.
3056 (elimination_effects): Ditto.
3057 * config/i386/i386.h (x86_bswap): New.
3058 (TARGET_BSWAP): Use.
3059 * config/i386/i386.c (x86_bswap): Set.
3061 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3063 * coverage.c (coverage_checksum_string): Update comment.
3064 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3065 of get_file_function_name.
3066 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3067 of get_file_function_name_long.
3068 * tree.c (get_file_function_name): Rename from
3069 get_file_function_name_long; improve comment; handle 'I' and 'D'
3070 specially when the target has ctor/dtor support; remove special
3072 (get_file_function_name): Remove.
3073 * tree.h (get_file_function_name): Rename from
3074 get_file_function_name_long.
3075 (get_file_function_name): Remove prototype.
3077 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3079 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3080 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3082 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3083 Call dsymutil when compiling and linking one or more source files
3086 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3089 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3091 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3093 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3094 inline static functions in c99 mode.
3097 * doc/extend.texi (Inline): Update.
3098 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3099 * c-decl.c (current_extern_inline): Delete.
3100 (pop_scope): Adjust test for an undefined nested function.
3101 Add warning about undeclared inline function.
3102 (diagnose_mismatched_decls): Update comments. Disallow overriding
3103 of inline functions in a translation unit in C99. Allow inline
3104 declarations in C99 at any time.
3105 (merge_decls): Boolize variables. Handle C99 'extern inline'
3107 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3108 C99 inline semantics.
3109 (start_function): Don't clear current_extern_inline. Don't set
3111 (c_push_function_context): Don't push current_extern_inline.
3112 (c_pop_function_context): Don't restore current_extern_inline.
3115 * c-typeck.c (build_external_ref): Warn about static variables
3116 used in extern inline functions.
3117 * c-decl.c (start_decl): Warn about static variables declared
3118 in extern inline functions.
3120 2006-10-31 Roger Sayle <roger@eyesopen.com>
3123 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3124 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3125 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3126 or y is an even integer.
3128 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3131 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3132 * gthr-posix95.h (__gthread_active_p): Likewise.
3134 2006-10-31 Richard Guenther <rguenther@suse.de>
3136 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3137 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3138 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3139 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3140 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3141 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3142 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3143 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3146 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3148 * opts.c (decode_options): Disable CSE skip blocks.
3150 2006-10-30 Dirk Mueller <dmueller@suse.de>
3152 * c-common.h (strict_aliasing_warning): Fix whitespace.
3153 * c-decl (start_function): Move code for main decl warning ..
3154 * c-common.c (check_main_parameter_types): .. here.
3155 * c-common.h (check_main_parameter_types): Declare.
3157 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3160 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3162 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3164 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3165 be a PARALLEL containing sets. Return false when out_pat is not
3168 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3170 * config/mips/mips.md (mul<mode>3): Split into...
3171 (mulsi3, muldi3): ...these separate patterns.
3173 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3175 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3176 but with each set of options separated by spaces.
3178 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3180 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3181 dwarf_reg_size_table has been initialized.
3183 2006-10-30 Roger Sayle <roger@eyesopen.com>
3185 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3186 * ddg.c (print_ddg_edge): Likewise.
3187 * dwarf2out.c (prune_unused_types_walk): Likewise.
3188 * ifcvt.c (noce_try_cmove_arith): Likewise.
3189 * langhooks.c (add_builtin_function): Likewise.
3190 * reg-stack.c (subst_stack_regs_pat): Likewise.
3191 * tree.c (expanded_location): Likewise.
3192 * tree-dump.c (dequeue_and_dump): Likewise.
3194 2006-10-30 David Daney <ddaney@avtrex.com>
3196 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3198 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3200 PR tree-optimization/29637
3201 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3202 of the innertype is the innertype itself.
3204 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3206 * dwarf2out.c (file_name_acquire): Correct typo.
3208 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3210 * tree.h (tree_value_handle): Remove struct value_set declaration.
3211 Change value_set to bitmap_set.
3212 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3213 * tree-vn.c (get_value_handle): Made inline and moved to
3215 * tree-flow-inline.h: (has_stmt_ann): New function.
3216 * tree-ssa-pre.c (expressions): New variable.
3217 (next_expression_id): Ditto.
3218 (alloc_expression_id): New function.
3219 (struct value_set): Remove.
3220 (get_expression_id): New function.
3221 (get_or_alloc_expression_id): Ditto.
3222 (expression_for_id): Ditto.
3223 (clear_expression_ids): Ditto.
3224 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3225 (bb_value_sets): Renamed to bb_bitmap_sets.
3226 All value sets replaced with bitmap_sets.
3228 (BB_VISITED): New macro.
3229 (postorder): New variable.
3230 (add_to_value): Removed.
3231 (value_exists_in_set_bitmap): Ditto.
3232 (value_insert_into_set_bitmap): Ditto.
3235 (set_remove): Ditto.
3236 (set_contains_value): Ditto.
3237 (insert_into_set): Ditto.
3239 (find_leader): Ditto.
3240 (bitmap_set_subtract_from_value_set): Ditto.
3241 (value_insert_into_set): Ditto.
3242 (print_value_set): Ditto.
3243 (debug_value_set): Ditto.
3244 (constant_expr_p): New function.
3245 (bitmap_remove_from_set): Ditto.
3246 (bitmap_insert_into_set): Ditto.
3247 (bitmap_set_free): Ditto.
3248 (vh_compare): Ditto.
3249 (sorted_array_from_bitmap_set): Ditto.
3250 (bitmap_set_subtract): Ditto.
3251 (bitmap_set_equal): Ditto.
3252 (debug_bitmap_set): Ditto.
3253 (find_leader_in_sets): Ditto.
3254 (bitmap_set_replace_value): Modify for bitmapped sets.
3255 (phi_translate): Ditto.
3256 (phi_translate_set): Ditto.
3257 (bitmap_find_leader): Ditto.
3258 (valid_in_sets): Ditto.
3259 (union_contains_value): Ditto.
3261 (compute_antic_aux): Ditto. Mark changed blocks.
3262 (compute_antic): Ditto. Iterate in postorder and only over
3264 (compute_rvuse_and_antic_safe): Reuse postorder.
3265 (create_component_ref_by_pieces): Modify for bitmapped sets.
3266 (find_or_generate_expression): Ditto.
3267 (create_expression_by_pieces): Ditto.
3268 (insert_into_preds_of_block): Ditto.
3269 (changed_blocks): New variable.
3270 (do_regular_insertion): Broken out from insert_aux.
3271 (insert_aux): Modified for bitmapped sets.
3272 (find_existing_value_expr): New function.
3273 (create_value_expr_from): Use it.
3274 (insert_extra_phis): Removed.
3275 (print_bitmap_set): Renamed from bitmap_print_value_set.
3276 (compute_avail): Handle RETURN_EXPR.
3277 (init_pre): Modify for bitmapped sets.
3278 * tree-flow.h (has_stmt_ann): New function.
3280 2006-10-29 Roger Sayle <roger@eyesopen.com>
3282 * builtins.c (fold_builtin_floor): Check for the availability of
3283 the C99 trunc function before transforming floor into trunc.
3285 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3287 * builtins.c (fold_builtin_hypot): Rearrange recursive
3288 transformation before others, and also do ABS_EXPR. When
3289 necessary, check flag_unsafe_math_optimizations. When necessary,
3292 2006-10-29 Roger Sayle <roger@eyesopen.com>
3294 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3295 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3296 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3297 Fold -X eq/ne -Y as X eq/ne Y.
3299 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3301 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3302 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3303 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3304 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3305 Use an inclusive test for "mult" rather than "mul".
3306 (rotr<mode>3): Depend on ISA_HAS_ROR.
3307 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3309 (GENERATE_MULT3_DI): Delete.
3310 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3311 (ISA_HAS_MUL3): New macro.
3312 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3313 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3314 (ISA_HAS_CLZ_CLO): Likewise.
3315 (ISA_HAS_DCLZ_DCLO): Delete.
3316 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3317 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3318 the VR4120 and VR4130.
3319 (ISA_HAS_MACCHI): Use consistent formatting.
3320 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3321 (ISA_HAS_ROR): ...this new macro.
3322 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3323 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3324 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3326 2006-10-29 Roger Sayle <roger@eyesopen.com>
3328 PR tree-optimization/15458
3329 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3332 2006-10-29 Richard Guenther <rguenther@suse.de>
3334 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3335 (ix86_expand_truncdf_32): Likewise.
3336 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3337 trunc inline for SSE math and -fno-trapping-math and if not
3338 optimizing for size.
3339 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3340 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3341 for expanding btrunc inline for SSE math.
3343 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3345 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3346 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3347 i[34567]86-*-solaris2.1[0-9]*.
3348 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3349 Define conditionally depending on TARGET_64BIT_DEFAULT.
3350 (SPEC_32, SPEC_64): Define.
3351 (LINK_SPEC): Use them.
3352 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3354 2006-10-29 Richard Guenther <rguenther@suse.de>
3356 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3357 (ix86_expand_rounddf_32): Likewise.
3358 * config/i386/i386.c (ix86_expand_round): New function expanding
3359 round inline for SSE math and -fno-trapping-math and if not
3360 optimizing for size.
3361 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3362 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3363 round via ix86_expand_round.
3365 2006-10-29 Richard Guenther <rguenther@suse.de>
3367 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3368 (ix86_expand_floorceildf_32): Likewise.
3369 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3370 static helper function.
3371 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3373 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3374 * config/i386/i386.md (floordf2): Adjust to enable floor
3375 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3376 -fno-trapping-math is enabled and if not optimizing for size.
3377 (floorsf2, ceildf2, ceilsf2): Likewise.
3378 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3379 (sse2_maskcmpdf3): Likewise.
3381 2006-10-29 Richard Guenther <rguenther@suse.de>
3383 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3384 rint in case -fno-trapping-math is enabled.
3385 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3386 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3387 (ix86_expand_sse_fabs): Likewise.
3388 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3389 * config/i386/i386.md (rintdf2): Enable for SSE math if
3390 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3391 (rintsf2): Likewise.
3393 2006-10-29 Richard Guenther <rguenther@suse.de>
3395 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3396 to conversion optabs.
3397 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3398 as conversion optab.
3399 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3400 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3401 (lfloor_optab, lceil_optab): Adjust defines.
3402 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3403 lfloor and lceil optabs now being conversion optabs.
3404 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3405 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3406 New static helper function.
3407 (ix86_expand_lfloorceil): New function to expand lfloor and
3409 * config/i386/i386.md (lfloor<mode>2): Split into ...
3410 (lfloorxf<mode>2): ... x87 variant
3411 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3412 using ix86_expand_lfloorceil.
3413 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3415 * doc/md.texi (lfloorMN, lceilMN): Document.
3417 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3419 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3420 -mno-shared assembler option on mips targets.
3421 * configure, config.in: Regenerate.
3422 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3423 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3424 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3426 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3428 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3429 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3431 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3433 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3434 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3437 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3440 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3441 (fold_builtin_pow): Evaluate constant arguments at compile-time
3443 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3444 (do_mpfr_ckconv): New helper function.
3445 (do_mpfr_arg1): Use do_mpfr_ckconv.
3446 (do_mpfr_arg2): New.
3448 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3451 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3452 (-fdump-rtl-sched): Rename to ..
3453 (-fdump-rtl-sched1): here. Also fix file extension number.
3455 2006-10-28 Richard Guenther <rguenther@suse.de>
3457 * fold-const.c (maybe_canonicalize_comparison): Fix code
3460 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3462 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3463 (NON_QI_REG_P): Use IN_RANGE.
3464 (REX_INT_REGNO_P): Use IN_RANGE.
3465 (FP_REGNO_P): Use IN_RANGE.
3466 (SSE_REGNO_P): Use IN_RANGE.
3467 (REX_SSE_REGNO_P): Use IN_RANGE.
3468 (MMX_REGNO_P): Use IN_RANGE.
3469 (STACK_REGNO_P): New macro.
3470 (STACK_REG_P): Use STACK_REGNO_P.
3471 (NON_STACK_REG_P): Use STACK_REGNO_P.
3472 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3473 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3474 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3475 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3476 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3478 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3480 * except.h (output_function_exception_table): Add 'const char*' param.
3481 * except.c (switch_to_exception_section): Add 'const char*' param.
3482 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3483 and flag_function_sections is set, use a function-specific section.
3484 (output_function_exception_table): Add 'const char*' param.
3485 Adjust call to switch_to_exception_section.
3486 * final.c (rest_of_handle_final): Adjust calls to
3487 output_function_exception_table.
3488 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3489 * config.in: Regenerate.
3490 * configure: Likewise.
3492 2006-10-28 Richard Guenther <rguenther@suse.de>
3495 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3496 for maybe_canonicalize_comparison.
3497 (maybe_canonicalize_comparison): New function for canonicalizing
3499 (fold_comparison): Call it to canonicalize comparisons with
3502 2006-10-28 Richard Guenther <rguenther@suse.de>
3505 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3506 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3507 (expand_builtin): Adjust likewise.
3508 * genopinit.c (optabs[]): Add lround optab.
3509 * optabs.c (init_optabs): Initialize lround_optab.
3510 * optabs.h (enum convert_optab_index): Add COI_lround.
3511 (lround_optab): Define.
3512 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3513 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3515 (ix86_expand_lround): New function.
3516 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3518 * doc/md.texi (lroundMN2): Document.
3520 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3523 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3524 argument to HOST_WIDE_INT. Update function prototype.
3525 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3526 "size" argument to HOST_WIDE_INT. Update function prototype.
3528 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3530 * config/i386/i386.c (output_387_ffreep): Create output from a
3531 template string for !HAVE_AS_IX86_FFREEP.
3533 2006-10-27 Eric Christopher <echristo@apple.com>
3535 * config/darwin.c: Fix formatting and grammar.
3537 2006-10-27 Jan Hubicka <jh@suse.cz>
3539 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3540 to be thrown away soon when IGNORE is set.
3541 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3542 indicating when return value shall not be computed.
3543 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3545 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3547 * config/i386/i386.h (TARGET_GEODE):
3548 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3549 (TARGET_CPU_DEFAULT_geode): New macro.
3550 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3551 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3552 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3553 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3554 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3556 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3557 (processor_type): Add PROCESSOR_GEODE.
3559 * config/i386/i386.md: Include geode.md.
3562 * config/i386/i386.c (geode_cost): New initialized global
3564 (m_GEODE, m_K6_GEODE): New macros.
3565 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3566 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3567 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3568 x86_schedule): Use m_K6_GEODE instead of m_K6.
3569 (x86_movx, x86_cmove): Set up m_GEODE.
3570 (x86_integer_DFmode_moves): Clear m_GEODE.
3571 (processor_target_table): Add entry for geode.
3572 (processor_alias_table): Ditto.
3574 * config/i386/geode.md: New file.
3576 * doc/invoke.texi: Add entry about geode processor.
3578 2006-10-27 Mike Stump <mrs@apple.com>
3580 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3581 __DYNAMIC__ from here back to ...
3582 * config/darwin.h (CPP_SPEC): ... here.
3584 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3585 Nathan Sidwell <nathan@codesourcery.com>
3587 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3588 when choosing the minimum heapsize.
3590 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3592 * gcc/unwind-dw2.h: Move cfa-related variables into
3593 struct frame_state_reg_info to ensure that the CFA is properly
3594 handled when executing DW_CFA_{remember,restore}_state.
3595 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3596 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3597 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3598 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3599 gcc/config/rs6000/linux-unwind.h,
3600 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3601 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3602 Modify to use new cfa_* fields.
3604 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3606 * config/s390/s390.c (s390_init_frame_layout): Check positive
3609 2006-10-26 Ben Elliston <bje@au.ibm.com>
3611 * gimplify.c (get_name): Remove extraneous break.
3612 (gimplify_omp_for): Initialise ret with GS_OK.
3614 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3616 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3617 Add unix98.o to link line.
3619 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3622 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3623 Calculate compile-time constants using MPFR.
3624 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3625 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3627 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3629 * config/xtensa/lib2funcs.S: Use C-style comments.
3631 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3633 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3634 (file_table_relative_p): Likewise.
3635 (dwarf2out_finish): Likewise.
3636 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3638 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3640 * tree-ssa-structalias.c (intra_create_variable_infos):
3641 Don't recreate nonlocal_all if it already exists.
3643 2006-10-25 Richard Guenther <rguenther@suse.de>
3646 * optabs.h (enum optab_index): Remove OTI_lrint.
3647 (enum convert_optab_index): Add COI_lrint.
3648 (lrint_optab): Adjust.
3649 (expand_sfix_optab): Declare.
3650 * optabs.c (expand_sfix_optab): New function.
3651 (init_optabs): Init lrint_optab as conversion optab.
3652 * genopinit.c (lrint_optab): Change to a conversion optab.
3653 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3654 expansion via conversion optab.
3655 * config/i386/i386.md (*fistdi2_1): Remove
3656 flag_unsafe_math_optimizations guard.
3657 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3658 fist<mode>2_with_temp): Likewise.
3659 (lrint<mode>2): Split into...
3660 (lrintxf<mode>2): ... x87 part
3661 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3662 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3663 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3664 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3665 * doc/md.texi (lrintMN2): Document.
3667 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3670 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3671 Use inc and dec instructions for TARGET_USE_INCDEC.
3672 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3673 ("sync_double_compare_and_swap<mode>"): Likewise.
3674 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3675 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3676 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3677 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3678 ("sync_old_add<mode>"): Likewise.
3679 ("sync_lock_test_and_set<mode>"): Likewise.
3680 ("sync_lock_test_and_set<mode>"): Likewise.
3681 ("sync_add<mode>"): Likewise.
3682 ("sync_sub<mode>"): Likewise.
3683 ("sync_ior<mode>"): Likewise.
3684 ("sync_and<mode>"): Likewise.
3685 ("sync_xor<mode>"): Likewise.
3687 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3689 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3690 (remainder_optab): Define corresponding macro.
3691 (drem_optab): Remove.
3692 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3693 drem_optab initialization.
3694 * genopinit.c (optabs): Implement remainder_optab using
3695 remainder?f3 patterns. Remove drem_optab.
3696 * builtins.c (expand_builtin_mathfn_2): Handle
3697 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3698 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3699 expand_builtin_mathfn_2.
3701 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3702 depend on flag_unsafe_math_optimizations.
3704 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3705 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3706 Do not depend on flag_unsafe_math_optimizations. Use
3707 truncxf?f expander instead of truncxf?f_i387_noop.
3709 ("fpremxf4", "fprem1xf4"): Do not depend on
3710 flag_unsafe_math_optimizations.
3711 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3712 flag_unsafe_math_optimizations. Use truncxf?f expander
3713 instead of truncxf?f_i387_noop.
3715 * doc/md.texi (fmod, remainder): Document standard named pattern.
3717 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3718 David Daney <ddaney@avtrex.com>
3721 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3723 2006-10-25 Ben Elliston <bje@au.ibm.com>
3725 * doc/extend.texi (Variable Attributes): Typo fix.
3727 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3729 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3730 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3731 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3732 (FRAME_POINTER_REGNUM): Update register number to 21.
3733 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3734 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3736 * config/i386/i386.c (regclass_map): Add fpcr entry.
3737 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3739 (print_reg): Assert REGNO (x) != FPCR_REG.
3741 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3742 (DIRFLAG_REG): Renumber.
3743 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3744 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3745 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3746 hardcoded SSE register numbers.
3748 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3749 hardcoded MMX register numbers.
3751 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3754 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3755 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3757 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3758 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3759 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3760 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3762 2006-10-24 Richard Guenther <rguenther@suse.de>
3765 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3766 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3767 for deciding optimizations in consistency with fold-const.c
3768 (fold_builtin_unordered_cmp): Likewise.
3770 2006-10-24 Richard Guenther <rguenther@suse.de>
3772 * builtins.c (fold_builtin_floor): Fold floor (x) where
3773 x is nonnegative to trunc (x).
3774 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3775 nonnegative to FIX_TRUNC_EXPR.
3777 2006-10-24 Richard Guenther <rguenther@suse.de>
3779 PR tree-optimization/29567
3780 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3781 for TRUTH_NOT_EXPR. Clarify comments.
3783 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3786 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3787 at compile-time using MPFR. Change parameter VALUE to FUNC,
3789 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3790 for overflow and underflow at all times and avoid folding in
3793 2006-10-24 Ben Elliston <bje@au.ibm.com>
3795 * reload1.c: Formatting fixes.
3797 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3799 PR tree-optimization/14784
3800 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3801 * tree-ssa-structalias.c (get_constraint_for,
3802 intra_create_variable_infos): Set is_heapvar.
3803 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3804 non-heapvar pointer variables specially.
3806 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3809 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3810 fold_builtin_tan): Fold all constant arguments. Take a "type"
3811 argument as necessary.
3812 (do_mpfr_arg1): New.
3813 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3815 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3817 * config/xtensa/lib1funcs.asm: Use C-style comments.
3819 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3821 * tree.c (local_define_builtin): Replace calls to
3822 lang_hooks.builtin_function with add_builtin_function.
3823 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3825 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3827 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3828 common code to add_builtin_function.
3829 * langhooks.c (add_builtin_function): New function.
3830 (lhd_builtin_function): New function.
3831 * langhooks.h (struct lang_hooks): Change the signature of
3833 (add_builtin_function): New function.
3834 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3835 calls to lang_hooks.builtin_function with add_builtin_function.
3836 * c-common.c (decl_builtin_1): Replace calls to
3837 lang_hooks.builtin_function with add_builtin_function.
3838 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3839 lang_hooks.builtin_function with add_builtin_function.
3840 * config/frv/frv.c (def_builtin): Replace calls to
3841 lang_hooks.builtin_function with add_builtin_function.
3842 * config/s390/s390.c (s390_init_builtins): Replace calls to
3843 lang_hooks.builtin_function with add_builtin_function.
3844 * config/sparc/sparc.c (def_builtin): Replace calls to
3845 lang_hooks.builtin_function with add_builtin_function.
3846 * config/i386/i386.c (def_builtin): Replace calls to
3847 lang_hooks.builtin_function with add_builtin_function.
3848 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3849 lang_hooks.builtin_function with add_builtin_function.
3850 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3851 lang_hooks.builtin_function with add_builtin_function.
3852 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3853 Replace calls to lang_hooks.builtin_function with
3854 add_builtin_function.
3855 * config/iq2000/iq2000.c (def_builtin):
3856 Replace calls to lang_hooks.builtin_function with
3857 add_builtin_function.
3858 * config/ia64/ia64.c (def_builtin): Replace calls to
3859 lang_hooks.builtin_function with add_builtin_function.
3860 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3861 lang_hooks.builtin_function with add_builtin_function.
3862 (altivec_init_builtins): Replace calls to
3863 lang_hooks.builtin_function with add_builtin_function.
3864 * config/arm/arm.c (def_mbuiltin): Replace calls to
3865 lang_hooks.builtin_function with add_builtin_function.
3866 (arm_init_tls_builtins): Replace calls to
3867 lang_hooks.builtin_function with add_builtin_function.
3868 * config/mips/mips.c (mips_init_builtins): Replace calls to
3869 lang_hooks.builtin_function with add_builtin_function.
3870 * config/bfin/bfin.c (def_builtin): Replace calls to
3871 lang_hooks.builtin_function with add_builtin_function.
3872 * langhooks-def.h (lhd_builtin_function): New function.
3873 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3875 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3877 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3878 BUILT_IN_STRNCAT_CHK.
3880 2006-10-23 Jan Hubicka <jh@suse.cz>
3882 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3883 don't do conversion from memmove to memcpy here.
3884 (expand_builtin_bcopy, expand_builtin): Update call of
3885 expand_builtin_memmove.
3886 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3888 2006-10-23 Paul Brook <paul@codesourcery.com>
3890 * stor-layout.c (start_record_layout): maximum_field_alignment
3891 overrides STRUCTURE_SIZE_BOUNDARY.
3893 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3895 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3896 nonlocal function symbols if flag_pic.
3898 2006-10-23 Richard Guenther <rguenther@suse.de>
3902 * builtins.c (fold_binary): Remove checks for flag_wrapv
3903 and flag_trapv where negate_expr_p covers these cases.
3905 2006-10-23 Richard Guenther <rguenther@suse.de>
3908 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3909 of two on the absolute value.
3910 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3911 and negating -C does not overflow.
3913 2006-10-23 Richard Guenther <rguenther@suse.de>
3916 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3917 only if not flag_rounding_math.
3919 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3920 Kaz Kojima <kkojima@gcc.gnu.org>
3923 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
3924 SImode memory reference for the source of a movua.
3925 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
3926 (movua): Use an unspec instead of sign_extract. Expect the source
3927 to have mode BLKmode.
3928 (extv, insv): Use a BLKmode rather than SImode memory reference
3929 for the source of a movua.
3931 2006-10-22 Jeff Law <law@redhat.com>
3932 Richard Guenther <rguenther@suse.de>
3934 PR tree-optimization/15911
3935 * tree-vrp.c (extract_code_and_val_from_cond): New function.
3936 (register_edge_assert_for_1): Likewise.
3937 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
3938 (find_conditional_asserts): Adjust for new function signature.
3939 (find_assert_locations): Likewise.
3941 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3943 * config/i386/tmmintrin.h: Remove the duplicated content.
3945 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
3947 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
3948 (x86_64-*-*): Likewise.
3950 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
3951 (override_options): Check SSSE3.
3952 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
3953 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
3954 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
3955 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
3956 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
3957 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
3958 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
3959 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
3960 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
3961 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
3962 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
3963 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
3964 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
3965 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
3966 IX86_BUILTIN_PABSD128.
3967 (bdesc_2arg): Add SSSE3.
3968 (bdesc_1arg): Likewise.
3969 (ix86_init_mmx_sse_builtins): Support SSSE3.
3970 (ix86_expand_builtin): Likewise.
3971 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
3973 * config/i386/i386.md (UNSPEC_PSHUFB): New.
3974 (UNSPEC_PSIGN): Likewise.
3975 (UNSPEC_PALIGNR): Likewise.
3976 Include mmx.md before sse.md.
3978 * config/i386/i386.opt: Add -mssse3.
3980 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
3981 (ssse3_phaddwv4hi3): Likewise.
3982 (ssse3_phadddv4si3): Likewise.
3983 (ssse3_phadddv2si3): Likewise.
3984 (ssse3_phaddswv8hi3): Likewise.
3985 (ssse3_phaddswv4hi3): Likewise.
3986 (ssse3_phsubwv8hi3): Likewise.
3987 (ssse3_phsubwv4hi3): Likewise.
3988 (ssse3_phsubdv4si3): Likewise.
3989 (ssse3_phsubdv2si3): Likewise.
3990 (ssse3_phsubswv8hi3): Likewise.
3991 (ssse3_phsubswv4hi3): Likewise.
3992 (ssse3_pmaddubswv8hi3): Likewise.
3993 (ssse3_pmaddubswv4hi3): Likewise.
3994 (ssse3_pmulhrswv8hi3): Likewise.
3995 (ssse3_pmulhrswv4hi3): Likewise.
3996 (ssse3_pshufbv16qi3): Likewise.
3997 (ssse3_pshufbv8qi3): Likewise.
3998 (ssse3_psign<mode>3): Likewise.
3999 (ssse3_psign<mode>3): Likewise.
4000 (ssse3_palignrti): Likewise.
4001 (ssse3_palignrdi): Likewise.
4002 (abs<mode>2): Likewise.
4003 (abs<mode>2): Likewise.
4005 * config/i386/tmmintrin.h: New file.
4007 * doc/extend.texi: Document SSSE3 built-in functions.
4009 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4011 2006-10-22 Ira Rosen <irar@il.ibm.com>
4013 * tree-vect-transform.c (vectorizable_load): Use the type of the
4014 return value of the mask_for_load builtin to create realign_load
4017 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4019 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4022 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4024 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4025 (UNSPEC_LDDQU): This.
4026 * config/i386/sse.md (sse3_lddqu): Updated.
4028 2006-10-21 Richard Guenther <rguenther@suse.de>
4030 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4031 (expand_builtin): Use it to expand lrint instead of
4032 expand_builtin_mathfn.
4034 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4037 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4038 flag_unsafe_math_optimizations is set.
4040 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4043 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4044 patterns to use memory input operand in x87->mem->XMM
4045 reload sequences. Skip transformation for TARGET_K8.
4047 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4049 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4050 force operand1 to register if both operands are memory operands.
4051 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4052 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4053 if both operands are memory operands.
4054 (truncdfsf2): Do not force operand1 to register if both operands
4055 are memory operands.
4057 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4059 * Makefile.in (LIBS): Add $(GMPLIBS).
4060 * doc/install.texi: Update GMP and MPFR requirements.
4061 * doc/sourcebuild.texi (need_gmp): Delete.
4063 2006-10-21 Richard Guenther <rguenther@suse.de>
4065 PR tree-optimization/3511
4066 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4067 got new invariant arguments during PHI translation.
4069 2006-10-21 Richard Guenther <rguenther@suse.de>
4072 * fold-const.c (fold_comparison): Fold signed comparisons
4073 of the form X +- C1 CMP Y +- C2.
4075 2006-10-21 Richard Guenther <rguenther@suse.de>
4078 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4079 if flag_unsafe_math_optimizations is specified. We have
4080 flag_finite_math_only for that.
4081 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4082 or flag_unsafe_math_optimizations.
4084 2006-10-21 Richard Guenther <rguenther@suse.de>
4086 * builtins.c (fold_builtin_classify): Fix typo.
4088 2006-10-21 Richard Guenther <rguenther@suse.de>
4091 * simplify-rtx.c (simplify_const_relational_operation):
4092 Do not constant-fold ORDERED and UNORDERED for
4093 flag_unsafe_math_optimizations but only we do not need to
4094 honor NaNs for the given mode.
4096 2006-10-21 Richard Guenther <rguenther@suse.de>
4099 * config/i386/i386.c (classify_argument): Remove redundant
4100 walking of the BINFOs.
4101 (contains_128bit_aligned_vector_p): Likewise.
4103 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4105 * BASE-VER: Set to 4.3.0.
4107 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4109 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4110 (tree_decl_with_vis): Remove artificial_pta_var flag.
4111 * tree-flow.h (referenced_var_check_and_insert): Expose.
4112 (nonlocal_all): New prototype.
4113 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4114 (nonlocal_all): Make global.
4115 (nonlocal_lookup): Remove.
4116 (nonlocal_insert): Ditto.
4117 (create_nonlocal_var): Do not call nonlocal_insert.
4118 (get_nonlocal_id_for_type): Remove.
4119 (find_global_initializers): Mark new vars we find for renaming.
4120 (intra_create_variable_infos): Only create one nonlocal.
4121 (expand_nonlocal_solutions): Remove.
4122 (compute_points_to_sets): Don't call it.
4123 (ipa_pta_execute): Ditto.
4124 (init_alias_heapvars): Don't create nonlocal_for_type.
4125 (delete_alias_heapvars): Don't remove it.
4126 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4129 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4131 * doc/install.texi (Downloading GCC): Clarify mention of
4132 Fortran in the "full distribution" description.
4134 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4136 Fix PR tree-optimization/28778
4137 Fix PR tree-optimization/29156
4138 Fix PR tree-optimization/29415
4139 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4140 (tree_decl_with_vis): Add artificial_pta_var flag.
4141 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4142 pushed into callers.
4143 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4144 (nonlocal_all): Ditto.
4145 (struct variable_info): Add directly_dereferenced member.
4146 (var_escaped_vars): New variable.
4147 (escaped_vars_tree): Ditto.
4148 (escaped_vars_id): Ditto.
4149 (nonlocal_vars_id): Ditto.
4150 (new_var_info): Set directly_dereferenced.
4151 (graph_size): New variable
4152 (build_constraint_graph): Use graph_size.
4153 (solve_graph): Don't process constraints that cannot change the
4154 solution, don't try to propagate an empty solution to our
4156 (process_constraint): Set directly_dereferenced.
4157 (could_have_pointers): New function.
4158 (get_constraint_for_component_ref): Don't process STRING_CST.
4159 (nonlocal_lookup): New function.
4160 (nonlocal_insert): Ditto.
4161 (create_nonlocal_var): Ditto.
4162 (get_nonlocal_id_for_type): Ditto.
4163 (get_constraint_for): Allow results vector to be empty in the case
4164 of string constants.
4165 Handle results of calls properly.
4166 (update_alias_info): Update alias info stats on number and type of
4168 (find_func_aliases): Use could_have_pointers.
4169 (make_constraint_from_escaped): Renamed from
4170 make_constraint_to_anything, and changed to make constraints from
4172 (make_constraint_to_escaped): New function.
4173 (find_global_initializers): Ditto.
4174 (create_variable_info_for): Make constraint from escaped to any
4175 global variable, and from any global variable to the set of
4177 (intra_create_variable_infos): Deal with escaped instead of
4178 pointing to anything.
4179 (set_uids_in_ptset): Do type pruning on directly dereferenced
4181 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4182 (init_base_vars): Fix comment, and initialize escaped_vars.
4183 (need_to_solve): Removed.
4184 (find_escape_constraints): New function.
4185 (expand_nonlocal_solutions): Ditto.
4186 (compute_points_to_sets): Call find_escape_constraints and
4187 expand_nonlocal_solutions.
4188 (delete_points_to_sets): Don't fall off the end of the graph.
4189 (init_alias_heapvars): Initialize nonlocal_for_type and
4191 (delete_alias_heapvars): Free nonlocal_for_type and null out
4194 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4196 * fold-const.c (add_double): Rename to add_double_with_sign.
4197 Add 'unsigned_p' parameter and take it into account for the overflow.
4198 (mul_double): Rename to mul_double_with_sign.
4199 Add 'unsigned_p' parameter and take it into account for the overflow.
4200 (fold_div_compare): Call add_double_with_sign instead of add_double
4201 and mul_double_with_sign instead of mul_double, passing them the
4202 unsignedness of the type.
4203 * tree.h (add_double): Macroize.
4204 (add_double_with_sign): New prototype.
4205 (mul_double): Macroize.
4206 (mul_double_with_sign): New prototype.
4208 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4210 * config/score/crti.asm: New file.
4211 * config/score/crtn.asm: New file.
4212 * config/score/elf.h: New file.
4213 * config/score/mac.md: New file.
4214 * config/score/misc.md: New file.
4215 * config/score/mul-div.S: New file.
4216 * config/score/predicates.md: New file.
4217 * config/score/score7.md: New file.
4218 * config/score/score.c: New file.
4219 * config/score/score-conv.h: New file.
4220 * config/score/score.h: New file.
4221 * config/score/score.md: New file.
4222 * config/score/score-mdaux.c: New file.
4223 * config/score/score-mdaux.h: New file.
4224 * config/score/score-modes.def: New file.
4225 * config/score/score.opt: New file.
4226 * config/score/score-protos.h: New file.
4227 * config/score/score-version.h: New file.
4228 * config/score/t-score-elf: New file.
4229 * config.gcc: Add score*-*-* configurations(Update before).
4230 * doc/invoke.texi (Score Options): New section.
4231 * doc/md.texi (Score family): New section to document constraints.
4233 2006-10-19 Nick Clifton <nickc@redhat.com>
4235 * config/arm/arm.c: Fix spelling typo.
4237 2006-10-18 Tom Tromey <tromey@redhat.com>
4239 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4241 2006-10-18 Jan Hubicka <jh@suse.cz>
4244 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4247 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4249 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4250 TSI_SAME_STMT, since that's the desired entity.
4252 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4254 * config/s390/contraints.md: New file.
4255 * config/s390/s390-protos.h (s390_mem_constraint,
4256 s390_O_constraint_str, s390_N_constraint_str,
4257 s390_float_const_zero_p): Function prototypes added.
4258 * config/s390/s390.c (s390_extra_constraint_str,
4259 s390_const_double_ok_for_constraint_p,
4260 s390_const_ok_for_constraint_p): Functions removed.
4261 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4262 s390_float_const_zero_p): New functions.
4263 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4264 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4265 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4266 Macro definitions removed.
4267 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4268 s390_extra_constraint_str): Functions removed.
4270 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4271 Richard Sandiford <richard@codesourcery.com>
4274 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4275 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4277 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4279 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4280 (DWARF2_FRAME_REG_OUT): Likewise.
4281 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4282 (DWARF2_FRAME_REG_OUT): Likewise.
4284 2006-10-17 Paul Brook <paul@codesourcery.com>
4286 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4288 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4290 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4291 Standardize on "GNU Fortran" as the official name of the Fortran
4294 2006-10-16 Mike Stump <mrs@apple.com>
4296 * doc/invoke.texi (Darwin Options): Document -mkernel.
4297 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4299 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4300 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4301 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4302 (OS_MISSING_ALTIVEC): Add.
4303 * config/i386/i386.c (override_options): Add
4304 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4305 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4306 -mkernel, -static or -mdynamic-no-pic is given.
4307 (C_COMMON_OVERRIDE_OPTIONS): Add.
4308 * config/darwin.opt (fapple-kext): Add.
4310 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4311 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4313 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4314 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4315 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4316 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4317 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4318 (flag_mkernel): Add.
4319 (flag_apple_kext): Add.
4320 (TARGET_KEXTABI): Add.
4321 * config/darwin.c (darwin_handle_kext_attribute): Add.
4322 (DARWIN_VTABLE_P): Add.
4323 (darwin_binds_local_p): Add partial support for rebinding vtables
4325 (darwin_kextabi_p): Add.
4326 (darwin_override_options): Add.
4327 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4328 (darwin_kextabi_p): Add.
4329 (darwin_override_options): Add.
4330 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4331 __DYNAMIC__ and __STATIC__ here.
4333 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4335 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4336 Added mention of "make pdf" target, and Texinfo requirements for
4339 2006-10-16 DJ Delorie <dj@redhat.com>
4341 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4342 into the GOT in case we need a subreg of the address.
4344 2006-10-16 Richard Guenther <rguenther@suse.de>
4347 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4348 SSE builtin documentation. Document SSE2 builtins.
4350 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4352 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4353 symbol in the output file for non-shared links when -nostdlib or
4354 -nodefaultlibs isn't specified.
4356 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4357 posix thread support.
4359 2006-10-15 Jan Hubicka <jh@suse.cz>
4362 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4363 declared always_inline even when not inlining.
4365 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4366 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4367 Andrew Pinski <pinskia@gmail.com>
4370 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4372 2006-10-15 Jan Hubicka <jh@suse.cz>
4373 Richard Guenther <rguenther@suse.de>
4376 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4377 process_function_and_variable_attributes on all variables, including
4378 those discovered during cgraph construction phase.
4380 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4382 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4384 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4386 * config/i386/athlon.md (athlon_fist): Add fisttp.
4388 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4389 Ian Lance Taylor <ian@airs.com>
4392 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4393 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4396 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4398 * config/score/score.c, config/score/score.h: Fix comment
4401 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4404 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4407 2006-10-13 Eric Christopher <echristo@apple.com>
4409 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4411 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4414 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4415 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4416 alignment supported by 32-bit ELF.
4418 2006-10-13 Eric Christopher <echristo@apple.com>
4420 * config/darwin.c (darwin_emit_unwind_label): Strip
4421 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4423 2006-10-13 Richard Guenther <rguenther@suse.de>
4425 PR tree-optimization/29446
4426 * tree-vrp.c (fix_equivalence_set): Remove.
4427 (extract_range_from_assert): Do not call fix_equivalence_set.
4428 (debug_value_range): Print a newline.
4429 (compare_name_with_value): For equivalence sets with
4430 inconsistent value ranges conservatively bail out.
4431 (compare_names): Likewise.
4433 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4435 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4436 and MPFR for gfortran.
4438 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4440 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4441 alignment supported by 32-bit ELF.
4443 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4447 * c-typeck.c (digest_init): Always allow initializing vectors
4448 that have static storage duration with compound literals.
4449 * tree.c (build_type_attribute_qual_variant): New, based on
4450 build_type_attribute_variant.
4451 (build_type_attribute_variant): Rewrite using the former.
4452 (make_vector_type): Use build_type_attribute_qual_variant to build
4453 type variants. Use type_hash_canon on the others.
4455 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4456 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4458 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4460 2006-10-12 Jan Hubicka <jh@suse.cz>
4463 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4464 current_function_decl is set but current_function_scope is not.
4466 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4468 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4469 emit_insn to emit eh_return_internal instruction.
4470 (eh_return_internal): Explicitly set pc.
4472 2006-10-11 Richard Guenther <rguenther@suse.de>
4474 PR tree-optimization/28230
4475 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4476 to the correct place.
4478 2006-10-11 Richard Guenther <rguenther@suse.de>
4481 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4484 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4486 * configure.ac: Added pdf to "Make-hooks"
4487 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4488 targets and *.pdf file patterns in cleanup targets.
4489 * configure: Regenerated.
4491 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4493 * config/avr/predicates.md: New file.
4494 * config/avr/avr.md: Include it.
4495 (REG_SP): New constant.
4496 (peepholes): Use predicates.
4497 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4498 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4499 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4501 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4503 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4506 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4509 * builtins.c (var_decl_component_p): New function.
4510 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4511 single entry optimization to variables and components thereof.
4513 2006-10-10 Richard Guenther <rguenther@suse.de>
4515 PR rtl-optimization/29323
4516 * except.c (set_nothrow_function_flags): For functions
4517 that do not bind local bail out early.
4519 2006-10-10 Ben Elliston <bje@au.ibm.com>
4521 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4524 2006-10-09 Richard Henderson <rth@redhat.com>
4526 Revert emutls patch.
4528 2006-10-09 Richard Guenther <rguenther@suse.de>
4531 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4534 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4537 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4538 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4539 * configure: Regenerate.
4540 * config.in: Regenerate.
4542 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4544 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4546 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4548 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4549 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4550 Remove stray newline.
4552 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4554 * config/mips/mips.c (mips_classify_symbol): Do not return
4555 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4556 (mips_in_small_data_p): Tweak comments.
4558 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4560 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4562 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4564 * gimplify.c, sched-int.h: Fix comment typos.
4566 * sched-int.h: Fix comment typos.
4568 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4570 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4572 * sched-ebb.c (begin_schedule_ready): Use them.
4573 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4574 add_to_speculative_block, create_check_block_twin, speculate_insn,
4575 fix_jump_move, move_block_after_check): Ditto.
4576 * sched-rgn.c (new_ready): Ditto.
4578 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4580 PR rtl-optimization/29128
4581 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4582 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4583 allow interblock movement of speculation checks.
4585 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4588 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4589 casted to integer type.
4590 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4591 if they are significantly more expensive than [reg + index] ones.
4593 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4595 PR tree-optimization/29330
4596 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4597 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4598 on newly allocated ddrs.
4599 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4600 to VEC (loop_p, heap) pointer.
4601 (compute_data_dependences_for_loop): Adjust caller.
4602 (free_dependence_relations): Free DDR_LOOP_NEST.
4604 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4605 free DEPENDENCE_RELATIONS and DATAREFS.
4608 * builtins.c (expand_builtin_sync_operation,
4609 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4610 Use convert_to_mode to handle promoted arguments.
4612 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4614 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4616 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4618 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4620 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4622 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4623 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4624 Use <modeconstraint> instead of "r" as operand 1 constraint.
4626 2006-10-06 Olivier Hainque <hainque@adacore.com>
4628 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4629 Don't recurse on the pointed-to type.
4630 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4631 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4632 types with components of variable size.
4634 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4636 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4638 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4640 PR tree-optimization/29290
4641 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4645 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4646 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4649 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4650 the number of vector elements fill the rest with zeros.
4652 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4654 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4655 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4658 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4660 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4661 unnamed pattern into subsi3. Use correct constraints/predicates.
4662 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4663 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4665 2006-10-05 Ira Rosen <irar@il.ibm.com>
4667 * doc/loop.texi: Add data references analysis description.
4669 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4671 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4673 2006-10-04 Richard Henderson <rth@redhat.com>
4674 Jakub Jelinek <jakub@redhat.com>
4676 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4677 * builtin-types.def (BT_WORD): Make unsigned.
4678 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4679 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4680 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4681 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4682 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4683 * cgraph.c (decide_is_variable_needed): Look at force_output.
4684 Recurse for emulated tls.
4685 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4686 checks redundant with decide_is_variable_needed.
4687 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4688 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4690 * expr.c (emutls_var_address): New.
4691 (expand_expr_real_1): Expand emulated tls.
4692 (expand_expr_addr_expr_1): Likewise.
4693 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4694 * output.h (emutls_finish): Declare.
4695 * toplev.c (compile_file): Call it.
4696 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4697 address before wrapping in CONST.
4698 * varasm.c (emutls_htab, emutls_object_type): New.
4699 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4700 (get_emutls_object_name, get_emutls_object_type): New.
4701 (get_emutls_init_templ_addr, emutls_decl): New.
4702 (emutls_common_1, emutls_finish): New.
4703 (assemble_variable): When emulating tls, swap decls; generate
4704 constructor for the emutls objects.
4705 (do_assemble_alias): When emulating tls, swap decl and target name.
4706 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4708 * emutls.c: New file.
4709 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4710 tls_object for real tls.
4712 2006-10-04 Zack Weinberg <zackw@panix.com>
4714 Fix bug in constraint-check generator, reported by Rask Ingemann
4716 * genpreds.c (add_constraint): Don't remove anything from the
4718 (write_tm_constrs_h): Detect whether "op" argument is used, and
4719 mark it ARG_UNUSED if it isn't.
4720 (write_insn_const_int_ok_for_constraint): Skip the part of the
4721 expression that would test whether "op" (which is not available
4722 here) is a CONST_INT.
4724 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4727 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4729 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4731 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4732 current Leopard versions.
4733 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4735 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4737 * doc/install.texi: Fix typos.
4739 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4741 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4742 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4743 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4745 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4747 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4748 arg to be struct mach_header_64* instead.
4750 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4753 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4754 side effects after the outer expression's post side effects.
4756 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4758 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4759 comments to reflect actual behavior and relationship between
4760 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4762 * doc/c-tree.texi (Working with declarations): Fix documentation
4763 of FIELD_DECL likewise.
4765 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4768 * doc/extend.texi: Add used variable attribute description.
4770 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4773 * c.opt (Woverride-init): New.
4774 * c-opts.c (c_common_post_options): Default warn_override_init to
4776 * c-typeck.c (add_pending_init, output_init_element): Warn for
4777 overriding initializers without side effects.
4778 * doc/invoke.texi (-Woverride-init): Document.
4781 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4783 PR rtl-optimization/28096
4784 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4785 assignment has already been used as a destination earlier in the block.
4787 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4789 * builtins.c (expand_builtin_setjmp): Delete.
4790 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4791 <BUILT_IN_SETJMP_SETUP>: New case.
4792 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4793 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4794 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4795 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4796 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4797 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4798 (lower_function_body): Initialize it to false. If it is set to true
4799 at the end of the processing, emit the setjmp dispatcher.
4800 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4801 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4802 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4803 on the rhs of the assignment.
4804 (lower_builtin_setjmp): New function.
4805 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4806 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4807 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4808 to detect calls that can go to non-local labels. Use specific
4809 helper to create the abnormal edges associated with them.
4810 <MODIFY_EXPR>: Likewise.
4811 (make_abnormal_goto_edges): New function extracted from...
4812 (make_goto_expr_edges): ...here. Call it for computed gotos.
4813 (simple_goto_p): Minor tweak.
4814 (tree_can_make_abnormal_goto): New predicate.
4815 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4816 (tree_purge_dead_abnormal_call_edges): New function.
4817 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4818 (tree_purge_dead_abnormal_call_edges): Likewise.
4819 (make_abnormal_goto_edges): Likewise.
4820 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4821 Purge all dead abnormal edges if the call was in the last statement.
4822 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4823 (execute_fixup_cfg): If there are non-local labels in the function,
4824 scan the basic blocks and split them at calls that can go to non-local
4825 labels or add missing abnormal call edges. Write down the CFG in the
4827 (pass_fixup_cfg): Remove TODO_dump_func flag.
4828 * unwind-sjlj.c: Poison setjmp.
4829 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4830 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4831 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4832 (DONT_USE_BUILTIN_SETJMP): Document it.
4834 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4837 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4838 to 1 when __ppc64__ is defined.
4839 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4841 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4843 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4845 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4846 * config/ia64/unwind-hpux.c: Delete.
4848 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4850 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4851 on the element before gimplifying it, instead of punting if it is of
4854 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4856 * doc/loop.texi: New file.
4857 * doc/gccint.texi: Reference loop.texi.
4858 * Makefile.in (loop.texi): Add.
4860 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4862 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4864 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4865 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4867 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4869 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4871 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4873 * doc/install.texi: Document required versions of GMP and MPFR.
4875 2006-09-27 Paul Brook <paul@codesourcery.com>
4878 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4880 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4882 * reload1.c (alter_reg): Require the alignment of the stack slot to
4883 be at least reg_max_ref_width bytes.
4884 (scan_paradoxical_subregs): Record the largest width in
4887 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4891 * tree-nested.c (struct nesting_info): Added static_chain_added.
4892 (convert_call_expr): Set static_chain_added when adding static
4893 chain. Handle OMP_PARALLEL and OMP_SECTION.
4895 2006-09-25 Matthias Klose <doko@debian.org>
4897 * doc/invoke.texi: Add missing full stop.
4899 2006-09-25 Richard Henderson <rth@redhat.com>
4901 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4902 before cgraph_function_flags_ready.
4904 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4905 Adam Nemet <anemet@caviumnetworks.com>
4907 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4908 determine_common_wider_type): New functions.
4909 (get_computation_aff): Use them to simplify arithmetic between
4910 UBASE and CBASE if they are shortened from the same type.
4912 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4915 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4916 -2147483647 - 1 instead of 0x80000000.
4918 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4920 * flags.h (HONOR_NANS): Fix typo in comment.
4922 2006-09-23 Uros Bizjak <uros@kss-loka.si>
4924 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
4926 2006-09-23 Jakub Jelinek <jakub@redhat.com>
4930 * tree.c (merge_attributes, attribute_list_contained): If both
4931 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
4933 * c-typeck.c (comptypes_internal): Don't consider aggregates
4934 in different TUs as compatible if there one set of attributes is
4935 not a subset of the other type's attributes.
4936 (composite_type): Try harder not to create a new aggregate type.
4938 2006-09-22 Geoffrey Keating <geoffk@apple.com>
4940 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
4941 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
4942 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
4943 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
4944 than replicating condition above.
4945 * config.host (i[34567]86-*-*): Always use driver-i386.o.
4947 * config/darwin.h (LINK_SYSROOT_SPEC): New.
4948 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
4949 the linker by default.
4951 2006-09-22 Mike Stump <mrs@apple.com>
4953 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
4956 2006-09-22 Richard Guenther <rguenther@suse.de>
4959 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
4960 sort of stack variables stable.
4962 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
4965 * explow.c (force_reg): Set REG_POINTER flag according to
4968 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
4970 PR tree-optimization/28888
4971 * tree-if-conv.c (combine_blocks): Rewritten.
4972 * tree-cfg.c (tree_verify_flow_info): Check that edges with
4973 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
4975 2006-09-22 Jakub Jelinek <jakub@redhat.com>
4977 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
4980 2006-09-21 Richard Sandiford <richard@codesourcery.com>
4982 * varasm.c (copy_constant): Fix reversed gcc_assert check.
4984 2006-09-21 Janis Johnson <janis187@us.ibm.com>
4986 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
4988 2006-09-21 Roger Sayle <roger@eyesopen.com>
4991 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
4992 dw_fde_current_label, to be the start of the function, i.e. the same
4993 value as dw_fde_begin.
4995 2006-09-20 Richard Sandiford <richard@codesourcery.com>
4997 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
4998 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
4999 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5000 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5001 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5002 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5003 (abs<mode>2, neg<mode>2): Likewise.
5004 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5005 (*mips_abs_ps): New define_insn.
5007 2006-09-20 Josh Conner <jconner@apple.com>
5010 * calls.c (expand_call): Allow reuse of structure return stack
5013 2006-09-20 Paul Brook <paul@codesourcery.com>
5015 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5018 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5020 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5021 clean up terminology.
5023 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5026 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5027 with tablejumps in them.
5029 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5032 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5033 wrap it into TARGET_EXPR.
5035 2006-09-20 Eric Christopher <echristo@apple.com>
5037 * config/i386/i386.c (x86_fisttp): Remove.
5038 * config/i386/i386.h (x86_fisttp): Ditto.
5039 (TARGET_FISTTP): Ditto.
5041 2006-09-19 Eric Christopher <echristo@apple.com>
5043 * doc/tm.texi (OBJC_JBLEN): Describe.
5044 * config/i386/darwin.h (OBJC_JBLEN): Define.
5045 * config/rs6000/darwin.h: Ditto.
5047 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5049 PR rtl-optimization/21299
5050 * reload1.c (reload): Purge invalid ASMs in the final pass.
5052 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5055 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5056 pointers as legitimate constants.
5058 2006-09-19 Paul Brook <paul@codesourcery.com>
5061 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5063 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5065 PR tree-optimization/28887
5066 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5067 component parts from the reference.
5068 (gather_memory_references_ref): Record the reference without the
5069 nonaddressable component parts.
5071 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5074 * c-opts.c (c_common_handle_option): Ignore the -std options
5075 if the input language is assembly.
5077 2006-09-17 Ira Rosen <irar@il.ibm.com>
5080 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5082 (ptr_ptr_may_alias_p): Likewise.
5083 (record_record_differ_p): New function.
5084 (base_object_differ_p): Call record_record_differ_p.
5086 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5089 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5090 away for the expr argument.
5092 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5095 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5096 before using it for dumping after vectorizing loops.
5098 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5099 Jack Howarth <howarth@bromo.med.uc.edu>
5102 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5103 skip on error_mark_node.
5104 (rs6000_darwin64_record_arg_recurse): Likewise.
5106 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5108 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5109 * doc/rtl.texi: Remove related documentation.
5111 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5113 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5116 2006-09-15 Jim Wilson <wilson@specifix.com>
5118 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5119 Handle symbol offsets same as they are handled in ia64_expand_move
5122 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5124 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5125 Add forgotten parameter to the fprintf call.
5127 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5129 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5131 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5133 * doc/contrib.texi: Add my entry.
5135 2006-09-15 Nick Clifton <nickc@redhat.com>
5137 * doc/md.texi (Processor pipeline description): Fix typo in
5138 example of how to use the absence_set directive and reword the
5139 description to make it slightly easier to read.
5141 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5143 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5144 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5145 expanding the number of iterations.
5146 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5148 * cfgrtl.c (emit_insn_at_entry): New function.
5149 * rtl.h (emit_insn_at_entry): Declare it.
5150 * integrate.c (emit_initial_value_sets): Use it.
5152 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5154 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5156 (struct loop_work and related VEC declarations): Delete.
5157 (bfin_dump_loops): Print out new member bad.
5158 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5159 (bfin_scan_loop): Don't recurse.
5160 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5161 loops. No longer need to update outer loops if the current one is
5162 found bad. Move some validitiy checks to bfin_discover_loop.
5163 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5164 but changed not to check for nesting. Also changed to use the new bad
5166 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5167 time. Use bitmap based test to discover loop nesting.
5169 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5171 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5174 2006-09-14 Richard Guenther <rguenther@suse.de>
5175 Kazu Hirata <kazu@codesourcery.com>
5177 PR middle-end/28884.
5178 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5179 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5180 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5181 with TARGET_FUNCTION_VALUE.
5183 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5186 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5188 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5190 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5193 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5196 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5199 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5201 * basic_block.h (bb_has_eh_pred): Fix comment.
5203 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5205 * flow.c (calculate_global_regs_live): Invalidate eh registers
5206 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5207 (propagate_block): Handle eh registers as if they were set at basic
5209 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5211 * global.c (global_conflicts): Make eh registers to conflict with
5212 pseudos live at basic block begin.
5213 * basic_block.h (bb_has_eh_pred): New function.
5215 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5217 PR rtl-optimization/28982
5218 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5219 index of a PRE_MODIFY or POST_MODIFY address.
5220 * reload1.c (inc_for_reload): Use find_replacement on the original
5221 base and index registers.
5223 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5225 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5226 for -Os. Update __m128 alignment requirement.
5228 2006-09-13 Jan Hubicka <jh@suse.cz>
5230 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5232 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5234 PR rtl-optimization/28243
5235 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5236 the insn to which the note was originally attached.
5238 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5239 Roger Sayle <roger@eyesopen.com>
5241 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5242 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5243 on platforms that don't use dwarf for debug info.
5245 2006-09-12 Jason Merrill <jason@redhat.com>
5248 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5249 hard_frame_pointer_rtx after using it to update the frame pointer.
5251 2006-09-12 Roger Sayle <roger@eyesopen.com>
5253 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5254 (TARGET_ASM_CLOSE_PAREN): Likewise.
5255 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5256 (TARGET_ASM_CLOSE_PAREN): Likewise.
5258 2006-09-12 Roger Sayle <roger@eyesopen.com>
5261 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5262 frame information for frames larger than 512 Kbytes on Tru64 when
5263 using the native assembler.
5265 2006-09-12 Roger Sayle <roger@eyesopen.com>
5269 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5270 and symbols. Instead use the implementation from cse.c's hash_rtx.
5272 2006-09-12 Jan Hubicka <jh@suse.cz>
5274 PR rtl-optimization/28071
5275 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5276 (vect_transform_loop): Likewise.
5277 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5278 (new_loop_vec_info): Likewise.
5279 (destroy_loop_vec_info): Likewise.
5280 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5281 (create_stmt_ann): Likewise.
5282 (create_tree_ann): Rename to ...
5283 (create_tree_common_ann): ... this one; allocate only the common part
5285 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5286 (get_value_handle): Likewise.
5287 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5288 get_tree_common_ann.
5289 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5290 (vinfo_for_stmt): Use stmt annotations.
5291 * tree-flow.h (tree_ann_common_t): New type.
5292 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5293 (tree_ann, get_tree_ann, create_tree_ann): New.
5294 * tree-flow-inline.h (get_function_ann): Do more type checking.
5295 (stmt_ann): Likewise.
5296 (tree_ann): Rename to ...
5297 (tree_common_ann): ... this one; return ony common_ann
5298 (get_tree_ann): Rename to ...
5299 (tree_common_ann): This one; return only common_ann.
5300 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5303 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5305 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5306 with_cpu by default.
5308 * dwarf2out.c (dwarf_file_data): New.
5309 (enum dw_val_class): Add dw_val_class_file.
5310 (struct dw_val_struct): Add val_file.
5311 (file_table): Change to a hash table.
5312 (file_table_emitted): Delete.
5313 (file_table_last_lookup_index): Delete.
5314 (emitcount): Delete.
5315 (last_emitted_file): New.
5316 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5317 (init_file_table): Delete.
5318 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5319 (AT_addr): Add comment.
5323 (print_die): Handle dw_val_class_file.
5324 (print_dwarf_line_table): Update for new file table structure.
5325 (attr_checksum): Do checksum a filename.
5326 (same_dw_val_p, same_attr_p): Do compare a filename.
5327 (size_of_die): Handle dw_val_class_file.
5328 (value_format): Likewise.
5329 (output_die): Likewise. Also, call maybe_emit_file here.
5330 (struct file_info): Constify filenames. Make file_idx a pointer
5331 to a struct dwarf_file_data.
5332 (struct dir_info): Constify directory names. Remove 'used' field.
5333 (struct file_name_acquire_data): New.
5334 (file_name_acquire): New.
5335 (output_file_names): Modify to handle new file data structures.
5336 (add_src_coords_attributes): Use add_AT_file.
5337 (add_call_src_coords_attributes): Likewise.
5338 (dwarf2out_imported_module_or_decl): Likewise.
5339 (gen_subprogram_die): Modify for new file data structures.
5340 (gen_variable_die): Likewise.
5341 (file_table_eq): New.
5342 (file_table_hash): New.
5343 (file_table_last_lookup): New.
5344 (lookup_filename): Rewrite to handle new file data structures.
5345 (maybe_emit_file): Rewrite to handle new file data structures.
5346 (dwarf2out_source_line): Always call lookup_filename and
5348 (dwarf2out_init): Create file_table here.
5349 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5350 (file_table_relative_p): New.
5351 (dwarf2out_finish): Change detection of relative filenames
5352 to work with new file data structures. Move output_line_info call
5353 after debug_info output.
5355 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5360 * config/i386/i386.c (override_options): Always default to 16
5361 byte stack boundary.
5363 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5366 * var-tracking.c (dump_dataflow_set): Start dumping at
5368 (clobber_variable_part): Kill only the variable part in
5369 registers holding it, leaving other variables alone.
5371 2006-09-11 Josh Triplett <josh@freedesktop.org>
5373 * doc/extend.texi (Other Builtins): Actually use the macro
5374 argument in the documentation example for
5375 __builtin_types_compatible_p.
5377 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5379 PR rtl-optimization/28726
5380 * sched-deps.c (sched_analyze_reg): New function extracted from...
5381 (sched_analyze_1): ...here. Call it to analyze references to
5382 registers. Treat again writes to a stack register as writing to the
5384 (sched_analyze_2): ...and here. Call it to analyze references to
5385 registers. Treat again reads of a stack register as reading the
5388 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5389 David Edelsohn <edelsohn@gnu.org>
5392 * config/rs6000/spe.md (frob_df_di): Remove %H.
5393 (frob_di_df): Remove %H. Change evmergelo to mr.
5394 (frob_di_df_2): Remove %H. Change evldd to two loads.
5396 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5398 * doc/cpp.texi: Fix names of charset options.
5400 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5403 * config/i386/i386.c (override_options): Use 128-bit
5404 stack boundary always for 64bits.
5406 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5408 PR rtl-optimization/28636
5409 * combine.c (force_to_mode): Test for side-effects before
5410 substituting by zero.
5411 (simplify_shift_const): Likewise for zero or other constants.
5413 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5416 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5419 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5422 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5423 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5424 returned by mode_for_size, rather than the mode of src itself,
5425 to choose between 32-bit and 64-bit patterns.
5426 (mips_mem_fits_mode_p): New function.
5427 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5428 that the size of the source matches the size of the destination.
5429 (mov_<store>l, mov_<store>r): Likewise.
5431 2006-09-10 Eric Christopher <echristo@apple.com>
5433 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5436 2006-09-09 Eric Christopher <echristo@apple.com>
5439 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5442 2006-09-09 Roger Sayle <roger@eyesopen.com>
5443 Nicolas Setton <setton@adacore.com>
5445 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5447 2006-09-10 Andreas Schwab <schwab@suse.de>
5449 * config/m68k/m68k.md (bungt_rev): New pattern.
5451 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5452 Dale Johannesen <dalej@apple.com>
5455 * regclass.c (struct reg_pref): Update documentation.
5456 (regclass): Set prefclass to NO_REGS if memory is the best option.
5457 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5459 2006-09-08 Eric Christopher <echristo@apple.com>
5461 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5462 * config/t-slibgcc-darwin: Support x86_64 multilib.
5463 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5464 Return 1 for x86_64-darwin.
5465 * config/i386/t-darwin: Add m64 multilib.
5466 (LIB2_SIDITI_CONV_FUNCS): Use.
5467 (LIB2FUNCS_EXTRA): Ditto.
5468 * config/i386/darwin.h: Support x86_64.
5469 * config/i386/i386.c (override_options): Turn on flag_pic
5470 for x86_64-darwin. Disable flag_omit_pointer.
5471 (get_pc_thunk_name): Assert !TARGET_64BIT.
5472 (legitimate_address_p): Disable machopic addressing for
5474 (legitimize_pic_address): Ditto.
5475 (ix86_expand_move): Ditto.
5476 (ix86_expand_call): Ditto.
5477 (machopic_output_stub): Ditto.
5478 * config/darwin.c (machopic_select_section): Support literal16.
5479 (machopic_select_rtx_section): Ditto.
5480 * config/darwin-sections.def: Ditto.
5481 * config/darwin-64.c: New.
5483 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5486 * c-tree.h (struct c_arg_info): Add pending_sizes.
5487 * c-parser.c (c_parser_parms_declarator,
5488 c_parser_parms_list_declarator): Initialize pending_sizes.
5489 * c-decl.c (get_parm_info): Initialize pending_sizes.
5490 (get_parm_info): Set pending_sizes.
5491 (grokdeclarator): Call put_pending_sizes for parameters for
5492 function definition only.
5494 2006-09-07 Jason Merrill <jason@redhat.com>
5497 * varasm.c (output_constant): Only strip actual no-op conversions.
5500 * config/i386/i386.c (override_options): Use 128-bit
5501 stack boundary if -msse.
5503 2006-09-07 Eric Christopher <echristo@apple.com>
5505 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5507 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5510 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5512 * dwarf2out.c: Remove strange characters from comment above
5513 dwarf2out_frame_debug_expr.
5515 2006-09-07 Eric Christopher <echristo@apple.com>
5517 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5518 * config/darwin.h: ... to here.
5520 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5522 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5524 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5525 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5527 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5528 TARGET_PARTIAL_FLAG_REG_STALL.
5529 (*ashldi3_cconly_rex64): Likewise.
5530 (*ashlsi3_cmp): Likewise.
5531 (*ashlsi3_cconly): Likewise.
5532 (*ashlsi3_cmp_zext): Likewise.
5533 (*ashlhi3_cmp): Likewise.
5534 (*ashlhi3_cconly): Likewise.
5535 (*ashlqi3_cmp): Likewise.
5536 (*ashlqi3_cconly): Likewise.
5537 (*ashrdi3_cmp_rex64): Likewise.
5538 (*ashrdi3_cconly_rex64): Likewise.
5539 (*ashrsi3_cmp): Likewise.
5540 (*ashrsi3_cconly): Likewise.
5541 (*ashrsi3_cmp_zext): Likewise.
5542 (*ashrhi3_cmp): Likewise.
5543 (*ashrhi3_cconly): Likewise.
5544 (*ashrqi3_cmp): Likewise.
5545 (*ashrqi3_cconly): Likewise.
5546 (*lshrdi3_cmp_rex64): Likewise.
5547 (*lshrdi3_cconly_rex64): Likewise.
5548 (*lshrsi3_cmp): Likewise.
5549 (*lshrsi3_cconly): Likewise.
5550 (*lshrsi3_cmp_zext): Likewise.
5551 (*lshrhi3_cmp): Likewise.
5552 (*lshrhi3_cconly): Likewise.
5553 (*lshrqi2_cmp): Likewise.
5554 (*lshrqi2_cconly): Likewise.
5556 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5559 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5560 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5561 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5562 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5563 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5564 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5565 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5566 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5567 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5568 implement only CC setting effects of shift instructions.
5570 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5572 * doc/contrib.texi: Add myself.
5574 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5577 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5578 was set by the user.
5580 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5583 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5584 (divsi_inv_m1): Use them.
5585 (UNSPEC_DIV_INV_TABLE): New constant.
5587 2006-09-06 James E Wilson <wilson@specifix.com>
5590 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5591 then call count_or_remove_death_notes.
5593 2006-09-06 Jason Merrill <jason@redhat.com>
5596 * tree-inline.c (copy_result_decl_to_var): New fn.
5597 (declare_return_variable): Use it. Call declare_inline_vars here.
5598 (expand_call_inline): Not here.
5600 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5602 * doc/contrib.texi: Update my entry.
5604 2006-09-06 Nick Clifton <nickc@redhat.com>
5606 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5608 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5611 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5612 (canonicalize_induction_variables): Likewise.
5613 (tree_unroll_loops_completely): Likewise.
5614 (tree_ssa_prefetch_arrays): Likewise.
5615 (remove_empty_loops): Likewise.
5616 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5617 TODO_cleanup_cfg instead of directly calling
5618 cleanup_tree_cfg_loop.
5619 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5621 (tree_unroll_loops_completely): Likewise.
5622 (remove_empty_loops): Likewise.
5623 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5624 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5625 of tree_ssa_unswitch_loops.
5626 (tree_ssa_loop_ivcanon): Use the return value of
5627 canonicalize_induction_variables.
5628 (tree_ssa_empty_loop): Use the return value of
5630 (tree_complete_unroll): Use the return value of
5631 tree_unroll_loops_completely.
5632 (tree_ssa_loop_prefetch): Use the return value of
5633 tree_ssa_prefetch_arrays.
5634 * passes.c (execute_todo): Before Cleanup CFG, set
5635 updating_used_alone and after cleanup CFG, call
5636 recalculate_used_alone.
5638 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5641 * tree-vect-transform.c (vectorizable_condition): Move the check
5642 for the type after the check for simple condition.
5644 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5645 Kaz Kojima <kkojima@gcc.gnu.org>
5648 * mode-switching.c (optimize_mode_switching): Make the destination
5649 block of an abnormal edge have no anticipatable mode. Don't
5650 insert mode switching code at the end of the source block of
5653 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5655 PR rtl-optimization/26847
5656 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5657 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5658 (simplify_plus_minus): Count n_constants while filling ops. Replace
5659 qsort with insertion sort. Before going through the array to simplify
5660 pairs, sort it. Delay early exit until after the first sort, exiting
5661 only if no swaps occurred. Simplify pairs in reversed order, without
5662 special-casing the first iteration. Pack ops after simplifying pairs.
5664 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5666 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5667 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5668 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5669 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5671 2006-09-05 Richard Guenther <rguenther@suse.de>
5673 PR tree-optimization/28900
5674 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5675 compound conditional before creating COND_EXPR condition.
5677 2006-09-05 Richard Guenther <rguenther@suse.de>
5679 PR tree-optimization/28905
5680 * tree-vrp.c (fix_equivalence_set): Manually implement
5681 !value_ranges_intersect_p to also handle symbolic ranges.
5683 2006-09-05 Richard Guenther <rguenther@suse.de>
5686 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5689 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5691 PR rtl-optimization/27616
5692 * cse.c (table_size): New static variable.
5693 (new_basic_block): Initialize it to 0.
5694 (remove_from_table): Decrement it.
5695 (insert): Increment it.
5696 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5697 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5698 fold_rtx_mem_1 if under the cap.
5699 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5700 the lookup of the equivalent expression and test for equality of the
5701 first operand of the equivalent expression before in turn looking up
5702 an equivalent constant for the second operand.
5704 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5707 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5708 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5709 pointer, instead of assuming it is possible to derive the
5710 correct args size from a call insn.
5712 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5715 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5716 (fold_builtin_mempcpy): Rename to...
5717 (fold_builtin_memory_op): ... this. Optimize one element copy
5719 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5721 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5722 (expand_builtin_memcpy, expand_builtin_mempcpy,
5723 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5724 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5725 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5726 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5728 2006-09-01 DJ Delorie <dj@redhat.com>
5730 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5731 (stzx_16): Likewise.
5732 ("stzx_24_<mode>"): Likewise.
5733 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5734 ("cmp<mode>_op"): New.
5735 (cmp<mode>): Change to expander; just save operands.
5737 (b<code>): Change to expander, emit compare here.
5738 (s<code>_op): Change to use split and expander.
5739 (s<code>_24_op): Likewise.
5740 (s<code>_<mode>): New.
5741 (s<code>_<mode>_24): New.
5742 (movqicc_<code>_<mode): New.
5743 (movhicc_<code>_<mode>): New.
5746 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5747 (m32c_pend_compare): New.
5748 (m32c_unpend_compare): New.
5749 (m32c_expand_scc): New.
5750 (m32c_expand_movcc): Emit the compare also.
5751 * config/m32c/predicates.md (mra_nopp_operand): New.
5753 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5754 Richard Guenther <rguenther@suse.de>
5755 Adam Nemet <anemet@caviumnetworks.com>
5758 * builtins.c (get_pointer_alignment): Handle more forms
5759 of base addresses that can be used to derive more precise
5760 information about alignment.
5762 2006-09-01 Jason Merrill <jason@redhat.com>
5765 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5768 * gimplify.c (voidify_wrapper_expr): Handle null type.
5770 2006-09-01 Josh Conner <jconner@apple.com>
5773 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5774 (execute_return_slot_opt): Use it.
5776 2006-08-31 Josh Conner <jconner@apple.com>
5779 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5780 returning aggregates.
5782 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5784 PR tree-optimization/28839
5785 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5786 blocks in that phi arguments appear.
5788 2006-08-31 Roger Sayle <roger@eyesopen.com>
5791 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5792 NULL, otherwise use an advance_loc4 to adjust relative to the
5794 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5795 (dwarf2out_switch_text_section): Reset the current label to avoid
5796 using advance_loc4 over section boundaries.
5798 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5801 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5802 r12 + SYMBOLIC_CONST.
5804 2006-08-30 Richard Guenther <rguenther@suse.de>
5806 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5808 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5810 PR rtl-optimization/27735
5811 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5812 Add new argument to keep track of whether an irreducible region
5813 was affected. All callers changed.
5814 (fix_irreducible_loops): Removed.
5815 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5816 flags were invalidated.
5818 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5820 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5821 instead of SF operands.
5822 (*fop_df_comm_sse): Likewise.
5823 (*fop_df_comm_i387): Likewise.
5824 (*fop_df_1_mixed): Likewise.
5825 (*fop_df_1_sse): Likewise.
5827 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5828 J"orn Rennecke <joern.rennecke@st.com>
5830 PR tree-optimization/17506
5831 * tree-ssa.c (warn_uninit): If warning about a location outside of
5832 the current function, note where the variable was declared.
5834 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5836 PR tree-optimization/28411
5837 * double-int.c (double_int_div): Use double_int_divmod.
5838 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5839 double_int_mod, double_int_smod, double_int_umod): New functions.
5840 * double-int.h (double_int_divmod, double_int_sdivmod,
5841 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5843 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5845 (get_computation_aff, get_computation_cost_at): Handle double_int
5846 return type of constant_multiple_of.
5848 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5851 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5852 an implicit conversion.
5854 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5856 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5858 2006-08-27 Roger Sayle <roger@eyesopen.com>
5860 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5863 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5865 * config/i386/crtfastmath.c: Fix a comment typo.
5867 2006-08-26 Roger Sayle <roger@eyesopen.com>
5869 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5870 temporary visit flags on CASE_LABEL_EXPRs.
5871 * c-common.c (match_case_to_enum): Add function comment. Avoid
5872 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5873 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5874 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5875 a constant, only warn if that constant value isn't handled.
5877 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5880 * input.h (restore_input_file_stack): Declare.
5881 (INPUT_FILE_STACK_BITS): Define.
5882 * toplev.c (fs_p, input_file_stack_history,
5883 input_file_stack_restored, restore_input_file_stack): New.
5884 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5885 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5886 (pop_srcloc): Don't free old state of stack.
5888 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5891 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5892 (PowerPC Type Attributes): New.
5894 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5896 * config/xtensa/xtensa.c (function_arg_boundary): New.
5897 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5899 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5900 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5902 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5905 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5908 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5910 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5911 (verify_local_live_at_start): Likewise.
5913 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5916 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5917 omp_add_variable): Treat sizes as variable whenever not
5920 2006-08-26 Richard Guenther <rguenther@suse.de>
5923 * fold-const.c (fold_binary): Fold temporary to correct
5924 type before constructing new comparison.
5926 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
5929 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
5930 variable again if DECL_SEEN_IN_BIND_EXPR_P.
5932 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5935 * c-decl.c (start_function): Don't try to process prototype
5936 information from old declaration that isn't a function.
5938 2006-08-25 Jan Hubicka <jh@suse.cz>
5941 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
5943 2006-08-25 Alan Modra <amodra@bigpond.net.au>
5946 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
5949 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
5951 PR tree-optimization/16876
5952 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
5953 exit if PARM doesn't match VALUE.
5955 2006-08-25 Bob Wilson <bob.wilson@acm.org>
5957 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
5958 literal_prefix directive.
5959 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
5960 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5961 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
5963 2006-08-25 David Edelsohn <edelsohn@gnu.org>
5966 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
5967 predicate to general_operand. Add 0->y and I->r alternatives.
5969 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
5971 * doc/tm.texi: Fix a typo.
5972 * predict.c: Fix comment typos.
5974 2006-08-25 Nick Clifton <nickc@redhat.com>
5976 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
5977 assertions of "cpu" and "machine".
5979 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
5982 * tree-ssa-operands.c (access_can_touch_variable): Don't say
5983 the access through a base which has an alias set of 0 cannot
5986 2006-08-24 Bill Wendling <wendling@apple.com>
5988 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
5990 2006-08-24 Jan Hubicka <jh@suse.cz>
5992 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
5994 2006-08-24 Jan Hubicka <jh@suse.cz>
5997 * cgraph.c: Fix comments.
5998 (cgraph_varpool_mark_needed_node): Mark only variables not already
6000 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6001 (cgraph_varpool_assembled_nodes_queue): New static variable.
6002 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6003 (cgraph_varpool_output_debug_info): New function.
6004 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6005 * Makefile.in: Add gt-cgraphunit.h
6007 2006-08-24 Jan Hubicka <jh@suse.cz>
6009 * predict.c (probability_reliable_p): New predicate.
6010 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6011 (predict_loops): Do not predict loop exit with less than 2%
6013 * basic-block.h (edge_probability_reliable_p,
6014 br_prob_note_reliable_p): Declare.
6015 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6016 prediction when static predictor is not reliable.
6017 * rs6000.c (output_cbranch): Likewise.
6019 2006-08-23 Stuart Hastings <stuart@apple.com>
6022 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6023 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6025 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6028 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6029 complex values, nor for generic vector values.
6031 2006-08-22 Richard Guenther <rguenther@suse.de>
6034 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6035 parameter. Convert arguments to arithmetic expression to the
6037 (analyze_scalar_evolution_1): Adjust caller.
6039 2006-08-22 Jan Hubicka <jh@suse.cz>
6041 Patch by Paolo Bonzini
6042 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6045 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6047 PR tree-optimization/28003
6048 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6049 before grouping aliases.
6051 2006-08-22 Roger Sayle <roger@eyesopen.com>
6053 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6054 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6056 2006-08-21 Jason Merrill <jason@redhat.com>
6059 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6060 wrapper. Loop to handle nested wrappers.
6061 (gimplify_bind_expr): Remove temp parameter.
6062 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6063 and STATEMENT_LIST on the rhs.
6064 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6065 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6066 (gimplify_target_expr): Remove special BIND_EXPR handling.
6068 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6070 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6073 2006-08-21 Olivier Hainque <hainque@adacore.com>
6075 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6076 Arrange for the temporary captures of components overlapping the lhs
6077 to happen before the lhs is possibly cleared.
6079 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6081 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6082 necessary places to pass the correct "number of registers" values
6085 2006-08-20 Jan Hubicka <jh@suse.cz>
6087 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6088 (create_name_tags): Instead of quadratic checking use hashtable.
6089 * bitmap.h: Include hashtab.h.
6090 (bitmap_hash): Declare.
6091 * bitmap.c (bitmap_hash): New function.
6093 2006-08-20 Jan Hubicka <jh@suse.cz>
6095 PR rtl-optimization/28071
6096 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6098 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6099 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6100 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6101 cgraph_decide_inlining_incrementally): Update use of
6102 cgraph_check_inline_limits.
6103 * cgraph.c (edge_hash, edge_eq): New function.
6104 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6105 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6106 cgraph_remove_node): Maintain call site hash.
6107 * cgraph.h (struct cgraph_node): Add call_site_hash.
6108 (cgraph_set_call_stmt): New function.
6110 2006-08-20 Jan Hubicka <jh@suse.cz>
6112 PR rtl-optimization/28071
6113 * reload1.c (reg_has_output_reload): Turn into regset.
6114 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6115 choose_reload_regs, emit_reload_insns): Update to new
6116 reg_has_output_reload.
6118 2006-08-20 Jan Hubicka <jh@suse.cz>
6121 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6122 function body sizes.
6123 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6125 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6128 * tree.c (handle_dll_attribute): Return early if not a
6129 var or function decl.
6131 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6134 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6135 alignment of SPE vector types.
6137 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6139 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6141 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6144 * cgraph.h (struct cgraph_node): Remove externally_visible
6146 * cgraphunit.c (process_function_and_variable_attributes): Set
6147 local.externally_visible rather than externally_visible.
6150 * c-common.c (handle_externally_visible_attribute): First look
6151 at TREE_CODE and only if it is function or var decl, check for
6152 non-public objects. Don't warn for DECL_EXTERNAL.
6153 * cgraphunit.c (process_function_and_variable_attributes): Warn
6154 if externally_visible attribute is used on non-public object.
6156 2006-08-17 Jan Hubicka <jh@suse.cz>
6158 PR tree-optimization/27865
6159 * reload1.c (forget_marked_reloads): New function.
6160 (forget_old_reloads_1): When data are passed, just mark the registers
6162 (reload_as_needed): Use the new mechanizm.
6164 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6167 * reload.h (reg_equiv_alt_mem_list): New declaration.
6168 * reload1.c (reg_equiv_alt_mem_list): New definition.
6169 (reload): Initialize it and release it.
6170 (delete_output_reload): Use it.
6171 * reload.c (push_reg_equiv_alt_mem): New function.
6172 (find_reloads_toplev): Call it.
6173 (find_reloads_address, find_reloads_address_1): Likewise.
6174 (find_reloads_subreg_address): Likewise.
6176 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6178 PR rtl-optimization/28489
6179 * sched-ebb.c (begin_schedule_ready): Create basic block
6181 (advance_target_bb): Skip empty blocks.
6182 * haifa-sched.c (bb_note): Make global.
6183 * sched-int.h (bb_note): Add prototype.
6185 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6187 PR tree-optimization/27865
6188 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6190 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6191 fold_used_pointer, pointer_used_p): New functions.
6192 (analyze_scalar_evolution_1): Use fold_used_pointer.
6193 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6194 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6197 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6200 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6201 or the INTEGER_CST. Fail on a CALL_EXPR.
6202 (fold_offsetof): Pass new argument to fold_offsetof_1.
6203 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6204 operand into an INDIRECT_REF.
6205 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6207 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6209 PR gcov/profile/26570
6210 * value-prof.c (static_values): Removed.
6211 (tree_find_values_to_profile): Do not set static_values.
6212 (find_values_to_profile): Do not free static_values.
6213 * profile.c (instrument_values): Do not free the values.
6214 (branch_prob): Free the values.
6216 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6218 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6220 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6223 * c-typeck.c (build_component_ref): Combine qualifiers of
6224 structure or union and field.
6226 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6228 PR rtl-optimization/28071
6229 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6230 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6231 * tree-into-ssa.c (struct dom_dfsnum): New.
6232 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6234 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6235 compute_global_livein.
6236 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6237 in phi nodes in the correct blocks.
6239 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6241 PR tree-optimization/28364
6242 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6244 (fold_affine_expr): New function.
6245 (may_eliminate_iv): Use fold_affine_expr.
6247 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6250 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6253 2006-08-16 Mike Stump <mrs@apple.com>
6255 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6256 * doc/cppopts.texi (-MD): Likewise.
6258 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6261 * c-common.c (handle_weak_attribute): Ignore and warn if
6262 not a FUNCTION_ or VAR_DECL.
6264 2006-07-15 Mike Stump <mrs@apple.com>
6267 * c-parser.c (c_parser_typeof_specifier): Don't use
6268 c_finish_expr_stmt, open code desired semantics instead.
6270 2006-08-15 Nick Clifton <nickc@redhat.com>
6272 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6273 fragment to tmake_file only if threads are enabled.
6274 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6275 * config/i386/t-gthr-win32: New file. ... here.
6277 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6280 * c-parser.c (c_parser_compound_statement_nostart): Reset
6281 parser->error after each statement.
6283 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6286 * omp-low.c (lower_omp_parallel): Convert t to
6287 receiver_decl's type.
6288 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6289 source before comparison.
6292 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6293 to itype in assignment to oldival2.
6295 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6299 * c-typeck.c (build_compound_expr): If the second expression
6300 is an error mark, then just return an error mark instead of
6301 creating a COMPOUND_EXPR.
6303 2006-07-14 Mike Stump <mrs@apple.com>
6305 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6307 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6309 * c-decl.c, var-tracking.c: Fix comment typos.
6311 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6313 PR rtl-optimization/28634
6314 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6315 for floating-point modes unless flag_unsafe_math_optimizations.
6317 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6318 Andrew Pinski <pinskia@physics.uc.edu>
6321 * tree.c (build_array_type): Unify array types with
6322 unspecified index_type.
6323 * c-decl.c (grokdeclarator): Make sure we do not modify a
6324 unified incomplete array type.
6325 * c-typeck.c (store_init_value): Create distinct type before
6326 filling in the index type in an initializer from a compound
6329 * c-decl.c (grokdeclarator): Remove code where we copy the
6332 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6334 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6335 into account for TODO_dump_cgraph.
6336 (TODO_update_ssa_no_phi): Likewise.
6337 (TODO_update_ssa_full_phi): Likewise.
6338 (TODO_update_ssa_only_virtuals): Likewise.
6339 (TODO_remove_unused_locals): Likewise.
6340 (TODO_set_props): Likewise.
6341 (TODO_update_stmt_usage): Likewise.
6343 2006-08-13 Dirk Mueller <dmueller@suse.de>
6345 * c-common.c (strict_aliasing_warning): Fix formatting.
6347 2006-08-13 Matthias Klose <doko@debian.org>
6349 * doc/invoke.texi: Fix spelling errors.
6351 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6353 PR rtl-optimization/23454
6354 * reorg.c (relax_delay_slots): Update comment.
6356 2006-08-11 Richard Guenther <rguenther@suse.de>
6359 * simplify-rtx.c (simplify_const_relational_operation):
6360 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6363 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6365 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6366 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6368 2006-08-10 Paul Brook <paul@codesourcery.com>
6370 * final.c (final_scan_insn): Clear current_insn_predicate before
6371 outputting inline asm.
6373 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6375 PR tree-optimization/26197
6376 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6377 get_ref_base_and_extent and overlap_subvar to add only relevant
6378 subvars as may-aliases.
6379 (add_may_alias_for_new_tag): New function, factored out of
6381 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6382 with additional argument.
6383 * tree-flow.h (new_type_alias): Takes additional argument.
6385 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6387 * gcov.c (no_data_file): New flag.
6388 (read_count_file): Set it if data file not present. Assume counts
6390 (output_lines): Don't name the data file, if there wasn't one.
6392 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6394 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6395 (rs6000_generate_compare): Tweak comments.
6396 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6398 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6400 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6401 (var_debug_decl): New function.
6402 (var_reg_set): Follow debug decl link. Add location even if
6403 reg is already known to hold some other variable.
6404 (var_mem_set): Follow debug decl link.
6405 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6406 decl link. Delete other known locations of the variable part
6408 (var_reg_delete, var_mem_delete): Delete other known locations
6409 of the variable part if requested.
6410 (same_variable_part_p): New function.
6411 (add_stores): Select MO_COPY when appropriate.
6412 (vt_initialize): Handle it.
6413 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6414 known locations for MO_SET and MO_CLOBBER.
6415 (find_variable_location_part): New function.
6416 (set_variable_part, delete_variable_part): Use it.
6417 (clobber_variable_part): New function.
6418 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6421 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6423 PR tree-optimization/26969
6424 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6425 with an empty list of PHIs.
6427 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6431 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6434 2006-08-06 Andreas Schwab <schwab@suse.de>
6436 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6437 string. Whitespace and comment fixup.
6439 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6442 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6446 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6449 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6451 2006-08-04 Jan Hubicka <jh@suse.cz>
6455 * reload.c (push_reload): Patch out the mismatching instruction;
6457 (find_reload): Bail out if the instruction was patched out.
6459 2006-08-04 Jan Hubicka <jh@suse.cz>
6461 PR tree-optimization/24888
6462 * tree-inline.c (expand_call_inline): Do not re-record variables.
6463 (declare_inline_vars): Add variable to unexpanded_var_list.
6465 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6466 Roger Sayle <roger@eyesopen.com>
6468 PR rtl-optimization/26244
6469 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6470 inner_const are negative or greater than or equal to the bitsize of
6471 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6472 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6473 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6474 CONST0_RTX (mode) when the new shift count is greater than or equal to
6475 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6478 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6480 * tree-cfg.c: Fix a comment typo.
6482 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6485 * varasm.c (output_constant): Give the front end another chance to
6486 expand constants, after stripping NOPs.
6488 2006-08-03 Jan Hubicka <jh@suse.cz>
6490 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6493 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6495 PR tree-optimization/27770
6496 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6497 declaration removed (moved to tree-flow.h).
6498 (vect_can_force_dr_alignment_p): Likewise.
6499 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6500 (moved from tree-vectorizer.h).
6501 (vect_can_force_dr_alignment_p): Likewise.
6502 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6503 from outside the vectorizer - in particular from cgraph stage.
6504 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6505 the alignment of global arrays when -fsection-anchors is enabled.
6506 * cgraphunit.c (cgraph_increase_alignment): New function.
6507 (cgraph_optimize): Call cgraph_increase_alignment.
6509 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6512 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6513 not reload a SPE symbol_ref into a lo_sum address.
6515 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6518 * dwarf2out.c (prune_unused_types_prune): Move call to
6519 prune_unused_types_update_strings to cover the parent DIE also.
6521 2006-08-02 Jan Hubicka <jh@suse.cz>
6523 PR gcov/profile/28480
6524 * tree-cfg.c (change_bb_for_stmt): New function.
6525 (tree_merge_blocks, tree_split_blocks): Use it.
6527 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6533 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6534 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6535 (cgraph_optimize): Likewise.
6537 2006-08-01 Stuart Hastings <stuart@apple.com>
6539 * rtl.h (UINTVAL) New.
6540 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6541 * testsuite/gcc.dg/20060801-1.c: New.
6543 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6546 * c-typeck.c (build_external_type): Mark used enum types.
6547 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6549 (gen_subprogram_die): Whitespace fix.
6551 2006-08-01 Jan Hubicka <jh@suse.cz>
6553 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6554 bitmap when not needed.
6555 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6558 2006-08-01 Dirk Mueller <dmueller@suse.de>
6560 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6562 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6564 * Makefile.in: Revert part of previous patch:
6565 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6568 2006-07-30 Eric Christopher <echristo@apple.com>
6571 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6572 (PowerPC Variable Attributes): New section.
6574 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6576 PR target/28126 (partial fix)
6577 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6579 2006-07-28 Jan Hubicka <jh@suse.cz>
6581 PR rtl-optimization/28071
6582 * cfgrtl.c (rtl_delete_block): Free regsets.
6583 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6585 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6587 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6588 and variables used in dependencies.
6590 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6592 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6593 %fs for -mcmodel=kernel.
6594 (stack_tls_protect_test_di): Likewise.
6596 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6598 * Makefile.in: Use mkinstalldirs.
6600 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6603 * opts-common.c (prune_options): Skip joined switches.
6605 2006-07-27 Jan Hubicka <jh@suse.cz>
6607 PR rtl-optimization/28071
6608 * cselib.c (cselib_process_insn): Don't remove useless values too
6609 often for very large hashtables.
6611 2006-07-27 Jan Hubicka <jh@suse.cz>
6613 PR rtl-optimization/28071
6614 * global.c (greg_obstack): New obstack.
6615 (allocate_bb_info): Use it.
6616 (free_bb_info): Likewise.
6617 (modify_reg_pav): Likewise.
6619 2006-07-27 Roger Sayle <roger@eyesopen.com>
6621 * builtins.c (fold_fixed_mathfn): When long and long long are the
6622 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6623 functions to their lceil*, lfloor*, lround* and lrint* forms.
6625 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6628 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6630 (rev_branch_insn): Likewise.
6632 2006-07-27 Jan Hubicka <jh@suse.cz>
6634 PR rtl-optimization/28071
6635 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6636 (reg_set_in_bb, max_reg_computed): New static variables.
6637 (regmove_optimize): Free the new array.
6638 (fixup_match_1): Update call of reg_is_remote_constant_p.
6640 2006-07-26 Jan Hubicka <jh@suse.cz>
6642 PR tree-optimization/27882
6643 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6645 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6647 (cgraph_analyze_compilation_unit): Likewise.
6648 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6649 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6650 (cgraph_early_inlinine): Make order garbage collected.
6651 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6653 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6655 * dbxout.c (output_types_sort): Add a comment.
6656 (output_used_types): Free the VEC.
6658 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6660 * function.c (reorder_fix_fragments): Delete.
6661 (reorder_blocks): Don't call it.
6662 (reorder_blocks_1): Put all subblocks under the origin block.
6664 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6666 PR rtl-optimization/27907
6667 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6670 2006-07-25 Roger Sayle <roger@eyesopen.com>
6673 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6674 bar(x) check that bar's result type can represent all the values of T.
6676 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6678 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6680 2006-07-25 Nick Clifton <nickc@redhat.com>
6682 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6683 size_lookup[] array.
6684 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6685 (ggc_pch_count_object): Likewise.
6686 (ggc_pch_alloc_object): Likewise.
6687 (ggc_pch_write_object): Likewise.
6688 (init_ggc): Do not attempt to initialize entries in the
6689 size_lookup[] array for objects whose size is greater than than
6690 the length of the array.
6692 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6694 * dbxout.c (output_used_types_helper): Push queued types
6696 (output_types_sort): New.
6697 (output_used_types): Collect used types on a VEC and sort them
6700 2006-07-24 Richard Guenther <rguenther@suse.de>
6703 * cgraph.c (cgraph_remove_node): Do not check if dumps
6705 * cgraphunit.c (cgraph_optimize): Likewise.
6707 2006-07-24 Jan Hubicka <jh@suse.cz>
6709 PR rtl-optimization/28071
6710 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6711 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6712 splitting before first stmt.
6714 2006-07-24 Jan Hubicka <jh@suse.cz>
6716 PR rtl-optimization/28071
6717 * ipa-inline.c (update_caller_keys): Remove edges that
6718 are no longer inline candidates.
6720 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6723 * dbxout.c (output_used_types_helper, output_used_types): New.
6724 (dbxout_symbol): Call output_used_types.
6726 2006-07-23 Jan Hubicka <jh@suse.cz>
6730 * cgraph.c (cgraph_varpool_nodes): Export.
6731 (decide_is_variable_needed): Ignored "used" attribute in
6732 unit-at-a-time mode.
6733 * cgraph.h (cgraph_varpool_nodes): Declare.
6734 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6735 unit-at-a-time mode.
6737 2006-07-23 Roger Sayle <roger@eyesopen.com>
6740 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6741 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6742 the __gthrw form of thr_keycreate.
6743 (__gthread_key_delete): Silence the unused argument warning.
6745 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6748 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6749 Cache the last found '\0' marker to avoid quadratic behavior.
6751 2006-07-23 Jan Hubicka <jh@suse.cz>
6753 * i386.md (subsi_3_zext): Fix output template.
6755 2006-07-21 Mike Stump <mrs@apple.com>
6757 * doc/invoke.texi (C++ Dialect Options): Note that
6758 -fvisibility-inlines-hidden doesn't affect explicitly
6759 instantiationed inline methods.
6761 2006-07-20 Roger Sayle <roger@eyesopen.com>
6763 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6764 if the target assembler is GNU binutils' gas.
6765 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6766 whether to pass GNU gas or native as command line options.
6768 2006-07-20 Jason Merrill <jason@redhat.com>
6770 * tree.c (remove_attribute): New fn.
6771 * tree.h: Declare it.
6773 2006-07-20 Paul Brook <paul@codesourcery.com>
6776 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6777 they are invalidated by this instruction.
6779 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6782 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6784 2006-07-20 Eric Christopher <echristo@apple.com>
6787 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6789 2006-07-19 Eric Christopher <echristo@apple.com>
6791 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6792 Rewrite dependencies for libgcc_s.1.dylib.
6794 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6796 * except.c (duplicate_eh_regions_1): Clear next_peer.
6798 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6800 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6801 -mlongcall does not guarantee all calls will be long.
6802 * doc/extend.texi (long_call/short_call): Document that longcall
6803 does not guarantee a long call will be used.
6804 (longcall/shortcall): Likewise.
6806 2006-07-18 Roger Sayle <roger@eyesopen.com>
6809 * expmed.c (expand_shift): Additionally check that the shift_cost
6810 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6811 before implementing a LSHIFT_EXPR as a sequence of additions.
6812 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6813 middle-end that DImode shifts need to be synthesized by expand.
6815 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6818 * tree-ssa-operands.c (access_can_touch_variable): Update
6820 Return true if ALIAS is .GLOBAL_VAR.
6822 2006-07-18 David Daney <ddaney@avtrex.com>
6824 * gcc.c (display_help): Fix typo in help text.
6826 2006-07-18 Olivier Hainque <hainque@adacore.com>
6828 * tree.h (categorize_ctor_elements): Adjust prototype and add
6829 descriptive comment, both in accordance with the interface change
6831 * varasm.c (constructor_static_from_elts_p): New function.
6832 Whether a constructor node is a valid static constant initializer
6833 if all its elements are.
6834 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6835 * output.h: Declare it.
6836 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6837 is a valid constant initializer instead of computing the number of
6838 non-constant elements. Use constructor_static_from_elts_p for this
6839 purpose. Replace the head comment with an indication that this is a
6840 helper for categorize_ctor_elements.
6841 (categorize_ctor_elements): Same interface change as for the _1
6842 helper. Former head comment from this helper moved here, adjusted to
6843 account for the interface changes.
6844 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6845 (all_zeros_p): Likewise.
6846 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6847 static versions of the constructor from the categorize_ctor_elements
6848 return value instead of the formerly computed number of non-constant
6851 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6853 * configure: Regenerate.
6854 * Makefile.in (build_libsubdir): New configure substitution
6855 (build_libobjdir): New variable.
6856 (BUILD_LIBIBERTY): Use it.
6858 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6861 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6863 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6866 * c-common.c (handle_weakref_attribute): Ignore attribute in
6867 the same conditions the alias attribute is ignored.
6869 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6871 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6872 (dbxout_begin_prologue): Increment scope_labelno.
6874 2006-07-17 Richard Henderson <rth@redhat.com>
6877 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6880 2006-07-17 Roger Sayle <roger@eyesopen.com>
6881 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6883 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6884 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6885 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6886 functions such as sbrk, write, etc.. Add function prototypes.
6887 Convert function declarations from K&R to ISO C. Cast pointers
6888 to "long" and "unsigned long" instead of "int" and "unsigned int".
6889 Convert tokens following #endif into comments.
6891 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6893 * invoke.texi: Remove mention of f77; Reformat table for
6894 inline parameter options correctly; mention that -malign-double
6895 is default on x86-64 targets.
6897 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6899 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6900 (convert_affine_scev, chrec_convert_aggressive): Use
6901 avoid_arithmetics_in_type_p. Do not check for the subtypes
6904 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6907 * optabs.c (expand_doubleword_shift): Wrap the call to
6908 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6910 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6913 * optabs.c (expand_binop): Pass next_methods rather than methods
6914 to expand_doubleword_shift.
6916 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6919 * tree.h (dump_addr): Declare.
6920 * print-tree.c (dump_addr): New function.
6921 (print_node_brief, print_node): Use it.
6922 * print-rtl.c (print_rtx): Likewise.
6923 * common.opt (-fdump-noaddr): New option.
6924 * doc/invoke.texi (-fdump-noaddr): Document.
6925 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
6926 (ve_info_hash): Likewise.
6928 2006-07-13 Andrew Haley <aph@redhat.com>
6930 PR tree-optimization/19505
6931 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
6932 edge leaving this block, make sure that the destination of this
6933 block has only one predecessor.
6935 2006-07-17 Richard Guenther <rguenther@suse.de>
6937 PR tree-optimization/28238
6938 * tree-inline.c (copy_bb): Check if we produced valid
6939 gimple copying and substituting a stmt. If not, gimplify
6942 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
6944 * optabs.c (maybe_encapsulate_block): New function extracted from...
6945 (emit_libcall_block): ...here. Invoke it on the block of insns to
6946 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
6947 (emit_no_conflict_block): Likewise.
6949 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
6951 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
6953 2006-07-15 Roger Sayle <roger@eyesopen.com>
6955 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
6956 a new NOP_EXPR case of the switch statement.
6958 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
6961 * stor-layout.c (place_field): Take the bit field with
6962 an excessive size into account in the ms-bitfiled case.
6965 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
6966 the previous bit field.
6968 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
6971 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
6973 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6975 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
6976 signal frames correctly even when the signal was installed with
6979 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
6981 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
6982 (dbxout_function_end): Use local label LFBB. Remove hook
6984 (dbxout_source_line): Use local label LFBB.
6985 (dbxout_block): Likewise.
6986 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
6987 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
6988 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
6989 and DBX_OUTPUT_NFUN.
6991 2006-07-13 Janis Johnson <janis187@us.ibm.com>
6993 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
6995 2006-07-13 Jan Hubicka <jh@suse.cz>
6997 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
6999 * output.h (align_variable): Declare.
7000 * varasm.c (align_variable): Export.
7001 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7002 when basic block changed.
7004 2006-07-13 Nick Clifton <nickc@redhat.com>
7006 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7007 walking the LOG_LINKS chain.
7009 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7011 * doc/invoke.texi (C++ Dialect Options): Explain difference
7012 between -fvisibility-inlines-hidden and setting hidden
7013 visibility explicitly.
7015 2006-07-12 Eric Christopher <echristo@apple.com>
7017 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7018 (stmp-lipo): Depend on libgcc.a.
7020 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7022 * tree.c: Fix a comment typo.
7024 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7026 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7028 (umulhisi3_r): Likewise.
7030 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7033 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7034 x < 19, vs wchar_t support.
7036 2006-07-12 Nick Clifton <nickc@redhat.com>
7038 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7039 instead of -isa=sh4.
7041 2006-07-12 Mike Stump <mrs@apple.com>
7043 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7045 2006-07-10 Eric Christopher <echristo@apple.com>
7047 * config/t-slibgcc-darwin: Rewrite.
7049 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7052 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7055 2006-07-08 Matthias Klose <doko@debian.org>
7057 * doc/sourcebuild.texi: Fix typo.
7059 2006-07-07 Mike Stump <mrs@apple.com>
7061 * toplev.c (process_options): Don't give -ffunction-sections may
7062 affect debugging warning for Mach-O.
7064 2006-07-07 James E Wilson <wilson@specifix.com>
7066 * config/mips/mips.md (cpu): Add sb1a.
7067 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7068 addition to sb1. Adjust comments to clarify SB-1A differences from
7070 (ir_sb1a_load): New. Modify bypasses to use it.
7071 (ir_sb1a_simple_alu): Likewise.
7072 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7073 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7074 (mips_issue_rate): Add PROCESSOR_SB1A.
7075 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7076 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7077 (TARGET_SB1): Add PROCESSOR_SB1A check.
7078 (TUNE_SB1): Likewise.
7080 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7081 * config/mips/mips.c (mips_store_data_bypass_p): New.
7082 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7083 store_data_bypass_p.
7085 2006-07-08 Paul Brook <paul@codesourcery.com>
7088 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7090 2006-07-07 Richard Guenther <rguenther@suse.de>
7093 * tree.h (build_one_cst): Declare.
7094 * tree.c (build_one_cst): New function.
7095 * tree-ssa-math-opts.c (get_constant_one): Remove.
7096 (insert_reciprocals): Use build_one_cst.
7097 * fold-const.c (fold_plusminus_mult): Likewise.
7099 2006-07-07 Roger Sayle <roger@eyesopen.com>
7101 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7102 * cfgloopanal.c (dump_graph): Likewise.
7103 * dojump.c (discard_pending_stack_adjust): Likewise.
7104 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7106 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7107 * function.c (finalize_block_changes): Likewise.
7108 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7109 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7110 * rtl.c (dump_rtx_statistics): Likewise.
7111 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7113 * varray.c (dump_varray_statistics): Likewise.
7114 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7115 decode_decimal64, encode_decimal128, decode_decimal128,
7116 decimal_real_to_decimal): Likewise.
7118 2006-07-07 Richard Guenther <rguenther@suse.de>
7120 PR tree-optimization/28187
7121 * tree-vrp.c (vrp_operand_equal_p): New function.
7122 (vrp_bitmap_equal_p): Likewise.
7123 (update_value_range): Use them to compare old and new
7126 2006-07-06 Roger Sayle <roger@eyesopen.com>
7128 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7129 a default case to switch statement to silence compiler warnings.
7131 2006-07-06 Roger Sayle <roger@eyesopen.com>
7134 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7135 the configured assembler supports the x87's ffreep mnemonic.
7136 * configure: Regenerate.
7137 * config.in: Regenerate.
7139 * config/i386/i386.c (output_387_ffreep): New function.
7140 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7141 (output_387_reg_move): Likewise.
7143 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7145 Port to hosts whose 'sort' and 'tail' implementations
7146 treat operands with leading '+' as file names, as POSIX
7147 has required since 2001. However, make sure the code still
7148 works on pre-POSIX hosts.
7149 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7150 which says you should use "tail -c +N" rather than "tail +Nc".
7151 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7153 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7155 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7158 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7161 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7162 PRE_{INC,DEC} of TFmode.
7164 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7165 Alan Modra <amodra@bigpond.net.au>
7168 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7171 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7174 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7175 Remove duplicate gtu.
7177 2006-07-05 Jason Merrill <jason@redhat.com>
7181 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7182 * c-common.c (handle_packed_attribute): So don't copy it here.
7183 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7185 2006-07-05 Mike Stump <mrs@apple.com>
7187 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7189 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7192 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7194 2006-07-05 Richard Guenther <rguenther@suse.de>
7197 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7198 TARGET_SSE2 targets if using SSE math.
7199 (*absdf2_1): Likewise.
7201 2006-07-05 Richard Guenther <rguenther@suse.de>
7203 PR tree-optimization/28162
7204 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7205 make sure to convert the operands to the correct type.
7207 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7209 PR tree-optimization/28218
7211 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7212 to calculate and free the dominator information.
7214 2006-07-04 Peter O'Gorman <peter@pogma.com>
7216 * mklibgcc.in: chmod 644 before ranlib during install.
7218 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7219 J"orn Rennecke <joern.rennecke@st.com>
7221 * configure.ac (.eh_frame data check): Use diff -b.
7223 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7226 * Makefile.in (BUILD_RTL): Add build/vec.o.
7227 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7228 (build/genextract): Delete.
7229 (build/genautomata): Likewise.
7231 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7234 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7235 128-bit IBM long doubles for ABI_V4.
7237 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7239 * tree.c (range_in_array_bounds_p): New predicate.
7240 * tree.h (range_in_array_bounds_p): Declare it.
7241 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7242 return a less conservative answer.
7243 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7244 and flag 'is_group'.
7245 (IS_ELEMENT_FOR_GROUP): New macro.
7246 (FOR_EACH_ACTUAL_CHILD): Likewise.
7247 (next_child_for_group): New helper function.
7248 (can_completely_scalarize_p): Take into account groups.
7249 (sra_hash_tree): Handle RANGE_EXPR.
7250 (sra_elt_eq): Likewise.
7251 (lookup_element): Be prepared for handling groups.
7252 (is_valid_const_index): Delete.
7253 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7254 instead of is_valid_const_index.
7255 <ARRAY_RANGE_REF>: New case.
7256 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7257 is_valid_const_index.
7258 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7259 (scan_dump): Dump info for groups too.
7260 (decide_instantiation_1): Likewise.
7261 (decide_block_copy): Assert that the element is not a group.
7262 Propagate decision to groups.
7263 (generate_one_element_ref): Handle RANGE_EXPR.
7264 (mark_no_warning): Iterate over actual childs.
7265 (generate_copy_inout): Likewise.
7266 (generate_element_copy): Likewise.
7267 (generate_element_zero): Likewise.
7268 (generate_element_init_1): Likewise.
7269 (dump_sra_elt_name): Handle RANGE_EXPR.
7271 2006-07-03 Roger Sayle <roger@eyesopen.com>
7273 PR tree-optimization/26251
7274 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7275 (thread_block): When optimizing for size refuse to thread jumps
7276 that would require duplication of blocks other than redirection
7279 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7281 * configure.ac: Fix thinko in previous check-in.
7282 * configure: Regenerate.
7284 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7287 * configure.ac (for lang...): Simplify nesting of conditionals.
7288 Test subdir_requires for non-enabled languages. Move processing
7289 of lang_opt_files and lang_tree_fiels below that test.
7290 * configure: Regenerate.
7291 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7293 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7295 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7297 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7299 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7302 2006-06-29 Jason Merrill <jason@redhat.com>
7309 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7310 * c-common.c (c_determine_visibility): Handle it here.
7311 * c-decl.c (finish_decl): Call c_determine_visibility for
7313 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7315 * varasm.c (default_assemble_visibility): Likewise.
7316 * c-common.c (handle_visibility_attribute): Complain about trying
7317 to give visibility to an already defined class, or trying to change
7318 declared visibility. Always attach the attribute.
7323 * attribs.c (decl_attributes): Ignore type-in-place attributes
7324 once the type has been defined.
7326 2006-06-29 Roger Sayle <roger@eyesopen.com>
7329 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7330 to indicate the cpplib has issued an error message for us.
7332 2006-06-29 Asher Langton <langton2@llnl.gov>
7335 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7336 insert a label at the end of an function under Mach-O.
7338 2006-06-29 Eric Christopher <echristo@apple.com>
7339 Evan Cheng <evan.cheng@apple.com>
7341 * predicates.md (vector_all_ones_operand): New.
7342 (nonimmediate_or_sse_const_operand): Ditto.
7343 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7344 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7345 (standard_sse_mode_p): Ditto.
7346 (standard_sse_constant_p): Add case for -1 vector.
7347 (ix86_expand_vector_move): Try to use.
7348 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7349 Call standard_sse_constant_opcode.
7350 (*movv4sf_internal): Ditto.
7351 (*movv2df_internal): Ditto.
7353 2006-06-29 Roger Sayle <roger@eyesopen.com>
7355 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7356 of XEXP to extract the operands of a MATCH_CODE rtx.
7358 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7360 * tree.c (tree_size): Do not waste tail padding in
7361 struct tree_string and make the size be the same as
7362 build_string will generate.
7364 2006-06-28 Jason Merrill <jason@redhat.com>
7367 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7368 may_aliases already in the tag's annotations to the bitmap.
7370 2006-06-28 Roger Sayle <roger@eyesopen.com>
7372 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7374 2006-06-28 Roger Sayle <roger@eyesopen.com>
7376 * genpreds.c (generate_switch_p): New function.
7377 (add_mode_tests): Push the new mode test down inside an AND expr
7378 if this allows the switch-suitable MATCH_CODE to be near the root.
7379 (write_match_code_switch): New function to write a MATCH_CODE as
7381 (write_predicate_stmts): New function to write a predicate RTX
7382 expression as a sequence of statements.
7383 (write_one_predicate_function): Use write_predicate_stmts.
7384 (write_tm_constrs_h): Likewise.
7386 2006-06-26 Fred Fish <fnf@specifix.com>
7388 * config/mips/t-sb1: New file.
7389 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7392 2006-06-26 DJ Delorie <dj@redhat.com>
7394 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7396 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7397 Jayant Sonar <jayants@kpitcummins.com>
7398 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7400 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7401 (subsi3, subsi3_1, subsi3_2): New.
7402 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7403 * config/m32c/mov.md (SI mov peephole): New.
7404 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7405 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7407 2006-06-26 Olivier Hainque <hainque@adacore.com>
7409 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7410 a CALL_EXPR target function declaration.
7412 2006-06-26 Richard Guenther <rguenther@suse.de>
7414 * tree.c (build_string): Do not waste tail padding in
7417 2006-06-26 Richard Guenther <rguenther@suse.de>
7419 * ggc-page.c (init_ggc): Add missing element to size_lookup
7423 2006-06-23 Richard Guenther <rguenther@suse.de>
7425 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7426 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7427 alignment requests instead. Add verification code.
7428 Add struct tree_function_decl and struct tree_binfo size to
7429 extra_order_size_table. Add missing element to size_lookup
7432 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7435 * fold-const.c (const_binop): Be prepared for self returning zero.
7436 Simplify code handling complex values.
7438 2006-06-24 Olivier Hainque <hainque@adacore.com>
7440 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7441 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7444 2006-06-24 Olivier Hainque <hainque@adacore.com>
7446 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7447 ARRAY_REF, so have the callback called for the low bound expression.
7449 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7451 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7452 * c-typeck.c (c_common_type): Disallow operations on decimal float
7453 types and other float types.
7454 * convert.c (convert_to_real): Don't ignore conversions involving
7455 decimal float types.
7457 2006-06-23 Olivier Hainque <hainque@adacore.com>
7459 * tree.c (max_int_size_in_bytes): New function, inspired from
7460 code in function.c:assign_temp.
7461 * tree.h (max_int_size_in_bytes): Declare.
7462 * function.c (assign_temp): Use it.
7463 * gimplify.c (create_tmp_var): Relax the assertions on the type
7464 properties, not mandating constant size any more.
7465 (force_constant_size): New static function.
7466 (gimple_add_tmp_var): Use it, forcing variable size to a
7467 constant upper bound if it is not constant on entry.
7469 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7472 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7473 for initialization and setting of one_only flag to ...
7474 (i386_pe_encode_section_info): ...here.
7475 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7476 Recheck that the symbol has not been defined.
7478 2006-06-23 Richard Guenther <rguenther@suse.de>
7480 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7481 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7482 alignment requests instead. Add verification code.
7483 Add struct tree_function_decl and struct tree_binfo size to
7484 extra_order_size_table. Add missing element to size_lookup
7487 2006-06-22 Roger Sayle <roger@eyesopen.com>
7488 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7491 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7492 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7494 2006-06-23 Ben Elliston <bje@au.ibm.com>
7496 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7497 negate dn -- manipulate it directly.
7499 2006-06-22 Roger Sayle <roger@eyesopen.com>
7500 Steven Bosscher <stevenb.gcc@gmail.com>
7503 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7504 generated by gen_move_insn to add REG_LABEL notes if necessary.
7506 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7508 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7509 (leaf_entry): Remove use of MIN_ESA.
7511 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7513 PR rtl-optimization/28121
7514 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7517 2006-06-21 DJ Delorie <dj@redhat.com>
7519 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7521 (mulhisi3_r): Likewise.
7523 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7526 * coverage.c (coverage_counter_alloc): Leave the index type
7528 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7531 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7533 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7534 section from the "Options for Code Generation Conventions".
7536 2006-06-21 Richard Henderson <rth@redhat.com>
7540 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7542 (global_symbolic_operand): Allow weak symbols, even if local_p.
7544 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7546 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7547 (find_interesting_uses_address): Punt if above function returns true.
7549 2006-06-21 Richard Guenther <rguenther@suse.de>
7551 * configure: Regenerated.
7553 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7555 * config/mips/mips.c (function_arg): Where one part of a
7556 complex argument is in registers and the other part in the stack,
7557 return a REG not a PARALLEL.
7559 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7561 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7562 when cross-compiling. Do not substitute libstdcxx_incdir.
7563 * configure: Regenerated.
7565 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7567 * varasm.c (mergeable_string_section): Check for embedded NULs and
7568 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7569 rather than TREE_STRING_LENGTH bytes.
7571 2006-06-21 Richard Guenther <rguenther@suse.de>
7573 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7574 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7577 2006-06-21 Richrad Guenther <rguenther@suse.de>
7579 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7580 Limit iteration over the dominators.
7582 2006-06-20 Roger Sayle <roger@eyesopen.com>
7584 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7585 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7587 2006-06-20 Richard Guenther <rguenther@suse.de>
7588 Michael Matz <matz@suse.de>
7590 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7592 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7593 * et-forest.h (et_free_pools): Prototype new function.
7594 * et-forest.c (et_free_tree_force): Free parent occurrence.
7595 (et_free_pools): New function.
7596 * dominance.c (free_dominance_info): Free et-forest alloc
7599 2006-06-20 Roger Sayle <roger@eyesopen.com>
7601 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7602 integer modes, attempt to directly construct an integer constant.
7604 * fold-const.c (native_encode_vector): Determine the size of each
7605 element from the vector type instead of the first vector element.
7607 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7608 if all of its elements/components are constant.
7609 (build_constructor_from_list): Likewise.
7611 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7613 PR tree-optimization/27331
7614 * tree-data-ref.c (free_data_ref): New function.
7615 (create_data_ref): Fail if the data reference has unknown access
7617 (free_data_refs): Use free_data_ref.
7619 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7622 * tree-inline.c (setup_one_parameter): Strip useless
7623 type conversion before adding it to the IR.
7624 (declare_return_variable): Likewise.
7626 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7629 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7631 2006-06-19 Mike Stump <mrs@apple.com>
7633 * tree.c (variably_modified_type_p): VM arguments don't make the
7636 2006-06-19 Richard Guenther <rguenther@suse.de>
7638 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7639 type conversions after folding.
7641 2006-06-19 Richard Guenther <rguenther@suse.de>
7643 * ggc-page.c (extra_order_size_tab): Add entries with
7644 size of struct function and basic_block.
7645 (size_lookup): Extend to cover sizes up to 511.
7646 (ggc_alloc_stat): Adjust user.
7647 (ggc_pch_count_object): Likewise.
7648 (ggc_pch_alloc_object): Likewise.
7649 (ggc_pch_write_object): Likewise.
7651 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7653 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7654 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7657 2006-06-19 Denis Chertykov <denisc@overta.ru>
7659 * config/avr/libgcc.S : Correct my wrong previous commit.
7661 2006-06-19 Roger Sayle <roger@eyesopen.com>
7664 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7665 have stripped a SUBREG from the shift count, so we may need to
7666 convert_to_mode back to the type's mode before calling make_tree.
7667 Use new_amount instead of amount to avoid expanding a tree twice.
7669 2006-06-19 Richard Guenther <rguenther@suse.de>
7672 * fold-const.c (operand_equal_p): Check if the argument types
7673 have the same precision before stripping NOPs.
7675 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7677 Fix PR tree-optimization/27341
7678 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7680 * tree-complex.c (pass_lower_complex): Update SMT usage.
7682 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7684 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7685 Add a new alternative to the constraint strings. Add move of
7686 operand 1 to 3 to the splitter definition.
7687 ("doloop_si_long"): Second contraint alternative removed.
7689 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7691 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7692 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7694 (AVR_HAVE_MOVW) Define.
7695 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7696 (ASM_SPEC): Add avr25.
7697 (LINK_SPEC): Add avr25.
7698 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7699 (base_arch_s): Add new member 'have_movw_lpmx'.
7700 (avr_arch_types): Init 'have_movw_lpmx'.
7701 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7702 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7703 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7704 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7705 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7707 (avr_file_start): Do not output '.arh' derective.
7708 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7709 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7710 * config/avr/avr.md (mcu_enhanced): Delete.
7711 (mcu_have_movw): Define.
7712 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7713 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7714 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7715 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7716 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7717 attiny861 and at86rf401 devices.
7719 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7721 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7724 2006-06-17 Karl Berry <karl@gnu.org>
7726 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7727 doc/gccint.texi, doc/install.texi (@dircategory): Use
7728 "Software development" instead of "Programming", following
7729 the Free Software Directory.
7731 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7733 * config/i386/i386.c (legitimate_tls_address)
7734 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7735 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7736 (*tls_dynamic_gnu2_combine_64): Likewise.
7738 2006-06-16 Richard Guenther <rguenther@suse.de>
7741 * fold-const.c (negate_expr_p): Do not introduce undefined
7742 overflow in negating INTEGER_CSTs.
7743 (fold_negate_expr): Rename from negate_expr. Revert last
7744 change for folding BIT_NOT_EXPR. Change semantics to
7745 return NULL_TREE for non-simplified negations. Do not
7746 strip type conversions and unify type handling.
7747 (negate_expr): New function, wrap around fold_negate_expr
7748 but ensure building a tree always. Strip type conversions
7749 here, fold to result type.
7750 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7752 2006-06-16 Roger Sayle <roger@eyesopen.com>
7755 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7756 that (would) return their results in stack registers.
7758 2006-06-16 Michael Matz <matz@suse.de>
7759 Richard Guenther <rguenther@suse.de>
7761 * fold-const.c (fold_truthop): Only return new tree node if
7762 we canonicalized something.
7764 2006-06-16 Richard Guenther <rguenther@suse.de>
7766 * function.h (enum function_frequency): Move declaration
7767 out of struct function.
7768 (struct function): Move bool fields and the enum to the bitfield
7769 section. Reorder elements to avoid padding. Remove unused
7770 fields left over from the RTL inliner removal.
7771 * function.c (free_after_compilation): Do not zero removed fields.
7772 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7773 (ipa-type-escape.o): Likewise.
7775 2006-06-16 Richard Guenther <rguenther@suse.de>
7777 * cgraph.h (struct cgraph_local_info): Turn bool elements
7779 (struct cgraph_node): Likewise.
7780 (struct cgraph_varpool_node): Likewise.
7782 2006-06-15 Richard Guenther <rguenther@suse.de>
7784 * fold-const.c (fold_truth_not_expr): Rename from
7785 invert_truthvalue. Give it fold_* semantics to avoid
7787 (invert_truthvalue): New function. Wrapper around
7788 fold_truth_not_expr.
7789 (optimize_minmax_comparison): Avoid creating garbage.
7790 (fold_unary): Use fold_truth_not_expr for folding
7792 (fold_ternary): Replace uses of invert_truthvalue with
7793 fold_truth_not_expr where applicable.
7794 * tree.h (fold_truth_not_expr): Prototype.
7796 2006-06-16 Richard Guenther <rguenther@suse.de>
7798 PR tree-optimization/27781
7799 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7800 * ipa-pure-const.c (target.h): Include.
7801 (analyze_function): Do not analyze functions that do not
7804 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7807 * tree-dfa.c (referenced_vars_dup_list): Remove.
7808 (find_referenced_vars): Remove assert.
7809 (referenced_var_check_and_insert): Replace dup list with assert.
7810 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7811 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7813 2006-06-15 Richard Guenther <rguenther@suse.de>
7815 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7816 extra unused identifiers if not dumping.
7817 (create_variable_info_for): Likewise.
7819 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7821 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7822 (derive_constant_upper_bound): Derive more precise upper bound in
7823 common cases. Return type changed to double_int.
7824 (record_estimate): Reflect the changed return type of
7825 derive_constant_upper_bound.
7826 * double-int.c (double_int_zext, double_int_sext): Fix.
7828 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7830 * configure.ac (CFLAGS): Get them from the toplevel or from the
7831 configure invocation.
7832 * configure: Regenerate.
7833 * Makefile.in (CFLAGS): Substitute value provided by configure.
7835 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7838 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7839 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7840 rather than calling add_stmt on it.
7841 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7843 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7846 * reload1.c (reload): Remove registers returned by update_eliminables
7847 from used_spill_regs.
7849 2006-06-13 DJ Delorie <dj@redhat.com>
7851 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7853 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7855 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7856 html__strip_dir, html__mkdir_p. Enhance install-html target.
7857 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7858 * configure: Regenerate.
7860 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7862 * fold-const.c (fold_cond_expr_with_comparison): Check for
7863 Objective-C++ as language in deciding COND_EXPR transformation.
7865 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7868 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7869 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7870 * config/sh/lib1funcs.h (SL, SL1): Define.
7871 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7872 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7873 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7874 (OBJS_Os_4_200): New variable.
7875 ($(T)libgcc-Os-4-200.a): Use it.
7876 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7877 when dividing 1 and/or by 0.
7879 2006-06-13 Roger Sayle <roger@eyesopen.com>
7881 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7882 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7883 * configure: Regenerate.
7885 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7887 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7888 for real instruction.
7890 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7893 * haifa-sched.c (check_cfg): Handle special case.
7895 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7898 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7899 Add debug_info parameter. Chain the vars to the BLOCK instead
7900 of the BIND_EXPR if debug info are requested for them.
7901 (pop_gimplify_context): Adjust for above change.
7902 (gimple_add_tmp_var): Likewise.
7903 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7905 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7906 (convert_local_reference): Likewise.
7907 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7908 (finalize_nesting_tree_1): Request that debug info be emitted
7909 for debug_var_chain.
7911 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7913 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7914 for PR target/27863.
7916 2006-06-13 Richard Guenther <rguenther@suse.de>
7919 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7921 2006-06-13 Richard Guenther <rguenther@suse.de>
7923 PR tree-optimization/27830
7924 * tree-inline.c (copy_body_r): For copying the operand
7925 of an ADDR_EXPR make sure to fold &* afterwards.
7927 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
7929 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
7930 lvalues in the fb_none case with side-effects.
7932 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
7934 * tree-flow.h: Remove the prototype for
7935 compute_phi_arg_on_exit.
7936 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
7937 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
7940 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
7942 * builtins.c (expand_builtin_return_addr): Only use
7943 frame_pointer_rtx when count == 0 and we are expanding
7944 __builtin_return_address.
7946 2006-06-12 Fred Fish <fnf@specifix.com>
7948 * config/mips/mips.c (mips_file_start): Create special section
7949 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
7951 2006-06-11 Eric Christopher <echristo@apple.com>
7954 * stor-layout.c (place_field): Remove check for
7955 remaining_in_alignment when aligning at the end of a run.
7957 2006-06-11 Eric Christopher <echristo@apple.com>
7960 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
7963 2006-06-11 Roger Sayle <roger@eyesopen.com>
7966 Revert incorrect fix for PR target/27158
7967 2006-05-08 Roger Sayle <roger@eyesopen.com>
7968 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
7969 of a reg_equiv_constant if the result is a legitimate constant.
7971 2006-06-11 Roger Sayle <roger@eyesopen.com>
7974 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
7975 extract a CONST_VECTOR element and interpret it as an integer.
7976 (vspltis_constant): Use const_vector_elt_as_int instead of the
7977 macro CONST_VECTOR_ELT in order to handle FP vector modes.
7978 * config/rs6000/predicates.md (easy_vector_const): Consider
7979 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
7981 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
7984 * stor-layout.c (update_alignment_for_field): Don't add extra
7985 alignment for packed non-bitfield fields in ms_bitfield_layout_p
7988 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
7990 * config/mips/t-rtems: Add EL/EB multilib variants.
7992 2006-06-09 Mike Stump <mrs@apple.com>
7994 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
7996 2006-06-09 David Daney <ddaney@avtrex.com>
7998 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8000 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8002 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8004 2006-06-09 Richard Guenther <rguenther@suse.de>
8006 PR tree-optimization/26998
8007 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8008 of signed types, only TYPE_MIN_VALUE is special, but for both,
8009 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8010 in this case, as is -fwrapv.
8012 2006-06-08 Mike Stump <mrs@apple.com>
8015 * config/darwin.c (darwin_asm_output_anchor): Disable
8016 -fsection-anchors on darwin for now.
8017 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8018 * rs6000/rs6000.c (optimization_options): Likewise.
8020 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8023 * config/i386/i386.c (classify_argument): Skip fields with invalid
8026 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8028 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8029 (cse_insn): Likewise for the stack_pointer_rtx.
8031 2006-06-08 Roger Sayle <roger@eyesopen.com>
8033 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8034 conditions from floating point comparisons.
8036 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8039 * expmed.c (struct alg_hash_entry): Fix type of field T
8040 to match synth_mult argument.
8041 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8043 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8046 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8049 2006-06-08 Richard Guenther <rguenther@suse.de>
8052 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8053 only, if overflow is defined and not trapping.
8054 (negate_expr): Likewise.
8056 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8058 PR tree-optimization/27872
8059 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8060 flag on the new exit edge of the unrolled loop.
8062 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8064 PR rtl-optimization/26449
8065 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8067 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8070 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8071 referenced_variables with matching DECL_UID's.
8072 (find_referenced_vars): Make sure duplicate list is empty to start.
8073 (referenced_var_p): Remove.
8074 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8075 Check if var is in the list, and add if needed. Update the duplicate
8076 list if a different var is in the list with the same DECL_UID.
8077 (add_referenced_var): Call routine to check and insert.
8078 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8079 * tree-flow.h (referenced_vars_dup_list): External declaration.
8081 2006-06-07 Fred Fish <fnf@specifix.com>
8083 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8086 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8089 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8090 the imaginary and real parts of a clobbered register.
8091 Emit insn to set the imaginary part.
8093 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8095 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8096 in lieu of unwind-dw2-fde.c.
8098 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8100 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8102 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8105 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8106 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8107 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8108 V4SImode temporaries and operations instead.
8110 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8112 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8115 2006-06-06 Mike Stump <mrs@apple.com>
8117 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8118 installing during build.
8120 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8122 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8124 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8125 * config/ia64/ia64.c (params.h): New header.
8126 (ia64_optimization_options): New function to adjust parameters.
8127 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8128 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8129 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8131 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8133 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8135 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8138 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8140 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8141 Victor Kaplansky <victork@il.ibm.com>
8143 PR tree-optimization/26360
8144 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8147 2006-06-04 Roger Sayle <roger@eyesopen.com>
8148 Andrew Pinski <pinskia@physics.uc.edu>
8151 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8152 for LABEL_DECL before calling DECL_WEAK.
8155 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8156 LABEL_DECL and PARM_DECL.
8158 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8162 * c-decl.c (grokdeclarator): Disallow variably modified types at
8163 file scope. Avoid marking shared array type of constant size as
8166 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8169 * c-common.c (fold_offsetof_1): Handle static members.
8171 2006-06-04 Eric Christopher <echristo@apple.com>
8173 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8174 (debug_rli): Output value for remaining_in_alignment.
8175 (update_alignment_for_field): Unconditionalize
8176 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8177 extra alignment code.
8178 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8179 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8180 * tree.h (record_layout_info_s): Remove prev_packed.
8181 * doc/extend.texi (ms_struct): Add documentation of format.
8183 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8185 * tree.h: Declare folding_initializer.
8186 * builtins.c (fold_builtin_constant_p): Give definite answer
8187 if folding inside an initializer.
8188 * fold-const.c: Define folding_initializer.
8189 (START_FOLD_INIT): Save and then set folding_initializer.
8190 (END_FOLD_INIT): Restore folding_initializer.
8192 2006-06-04 Richard Guenther <rguenther@suse.de>
8194 PR tree-optimization/27039
8195 * fold-const.c (fold_comparison): Handle pointer comparison
8196 again for all comparison codes. Compare offsets in signed
8198 (fold_binary): Move code from here.
8200 2006-06-03 Roger Sayle <roger@eyesopen.com>
8203 * config/i386/i386.c (construct_container): Split static issued_error
8204 flag into issued_sse_arg_error, issued_sse_ret_error and
8205 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8206 requires the use of x87 registers and the user explicitly
8207 specified the -mno-80387 command line option.
8209 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8211 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8212 HAVE_DECL_SIGALTSTACK.
8214 (segv_handler): Use MC_FLD.
8215 * configure.ac: Check for a sigaltstack declaration.
8216 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8217 * configure: Regenerate.
8218 * config.in: Regenerate.
8220 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8223 * Makefile.in (stmp-fixinc): Fix typo.
8225 2006-06-02 Roger Sayle <roger@eyesopen.com>
8227 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8228 are type correct. Clean-up.
8229 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8230 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8232 2006-06-01 DJ Delorie <dj@redhat.com>
8234 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8235 shift, as we've disabled the "switch" insn that needs it.
8237 2006-06-01 Per Bothner <bothner@bothner.com>
8239 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8240 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8241 * c-ppoutput.c (cb_define): Don't increment line 0.
8243 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8245 * doc/invoke.texi: Add cpu_type power6.
8246 * config.gcc: Add cpu_type power6.
8247 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8248 to power5+ with Altivec.
8249 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8250 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8252 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8254 * config/avr/avr.h (SET_ASM_OP): Define.
8256 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8258 * config/bfin/bfin.c: Fix comment typos.
8260 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8263 * doc/install.texi: Document --enable-bootstrap and
8264 --disable-bootstrap.
8266 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8268 * doc/install.texi: Document that InfoZIP can replace jar.
8270 2006-05-31 Roger Sayle <roger@eyesopen.com>
8272 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8273 isn't available, directly generate the simpler x87 patterns without
8274 the (use (const_int 0)).
8275 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8276 implementation isn't available.
8277 (*negdf2_1): Likewise.
8278 (*negxf2_1): XF mode negation is always done using the x87.
8279 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8281 2006-05-31 Roger Sayle <roger@eyesopen.com>
8283 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8284 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8286 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8288 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8290 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8291 * config/bfin/bfin.c (basic-block.h): Include.
8292 (struct machine_function): New.
8293 (bfin_init_machine_status): New.
8294 (override_options): Initialize init_machine_status.
8295 (bfin_hardware_loop): New.
8296 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8297 (DEF_VEC_P (loop_info)): New.
8298 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8299 (struct loop_info): New.
8300 (loop_info): New typedef.
8301 (struct loop_work): New.
8302 (loop_work): New typedef.
8303 (DEF_VEC_O (loop_work)): New.
8304 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8305 (bfin_dump_loops): New.
8306 (bfin_bb_in_loop): New.
8307 (bfin_scan_loop): New.
8308 (bfin_optimize_loop): New.
8309 (bfin_reorg_loops): New.
8310 (bfin_reorg): Use bfin_reorg_loops.
8311 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8313 (I_REGNO_P): Simplify.
8314 (DP_REGNO_P, DPREG_P): New macros.
8315 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8316 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8317 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8318 Add LT_REGS, LC_REGS, LB_REGS.
8319 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8321 (REGNO_REG_CLASS): Deal with loop registers.
8322 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8324 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8325 New constants for loop registers.
8326 (UNSPEC_LSETUP_END): New.
8327 (seq_insns): New define_attr. Set it for appropriate insns.
8328 (movsi_insn): Add alternatives for move from/to
8329 loop count registers.
8330 (doloop_end): New define_expand.
8331 (loop_end): New define_insn.
8332 (define_split for bad doloop_end): New.
8333 (lsetup_with_autoinit): New define_insn.
8334 (lsetup_without_autoinit): New define_insn.
8335 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8336 * config/bfin/predicates.md (lc_register_operand): New.
8337 (lt_register_operand): New.
8338 (lb_register_operand): New.
8339 (nondp_register_operand): New.
8340 (nondp_reg_or_memory_operand): New.
8341 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8343 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8345 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8346 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8348 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8350 * Makefile.in (CATALOGS): Add po/ prefix.
8351 * configure: Regenerated.
8353 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8356 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8357 a shift operand before calling shift_op. Avoid redundant call of
8360 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8361 DJ Delorie <dj@redhat.com>
8363 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8364 we're inserting is a singlt-bit constant.
8366 2006-05-30 Roger Sayle <roger@eyesopen.com>
8368 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8369 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8371 2006-05-30 Roger Sayle <roger@eyesopen.com>
8373 PR tree-optimization/23452
8374 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8375 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8376 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8377 complex values and with -ffast-math for FP complex values.
8379 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8381 * c-common.h: Remove the prototype for yyparse.
8382 * rtl.h: Remove the prototype for init_loop.
8384 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8386 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8389 2006-05-30 Roger Sayle <roger@eyesopen.com>
8391 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8393 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8394 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8396 2006-05-30 Dirk Mueller <dmueller@suse.de>
8399 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8400 for CONSTANT_CLASS_P expresisons.
8402 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8405 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8407 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8409 PR tree-optimization/27779
8410 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8411 initial_condition instead of CHREC_LEFT.
8413 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8415 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8416 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8417 Make prototypes ISO C90.
8419 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8420 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8422 * see.c (see_analyze_one_def): Correct check.
8423 (see_get_extension_data): Check if extension is parallel.
8424 (see_get_extension_reg): Likewise.
8426 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8429 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8430 into register for (code == GTU).
8432 2006-05-29 Roger Sayle <roger@eyesopen.com>
8434 PR tree-optimization/24964
8435 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8436 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8437 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8438 abs(x)*abs(x) as x*x for scalar floating point modes.
8440 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8443 * lambda-code.c (perfect_nestify): Don't copy statements
8444 in the inner loop: move them to the inner loop header.
8446 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8449 * c-tree.texi: Document OpenMP directives and clauses.
8451 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8453 * varasm.c (globalize_decl): Fix indentation.
8455 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8458 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8459 pass_fre, pass_store_ccp, pass_copy_prop,
8460 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8461 pass_return_slot, pass_object_size, pass_lim,
8462 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8463 pass_loop_prefetch and pass_stdarg.
8465 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8467 * config/bfin/bfin.opt (mfdpic): New option.
8468 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8469 (EXTRA_MULTILIB_PARTS): Likewise.
8470 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8471 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8473 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8474 (CRT_CALL_STATIC_FUNCTION): New.
8475 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8477 (CRT_CALL_STATIC_FUNCTION): New.
8478 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8480 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8481 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8482 (initialize_trampoline): Changed to handle FD-PIC code generation.
8483 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8484 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8485 (override_options): Disallow -mid-shared-library -mfdpic combination.
8486 Can't do unaligned ops if FD-PIC.
8487 Turn off flag_pic if trying to generate non-id-shared-library
8488 non-fdpic code, since it's not supported.
8489 (bfin_assemble_integer): New function.
8490 (TARGET_ASM_INTEGER): Define.
8491 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8493 * config/bfin/crtn.s: Restore them.
8494 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8496 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8497 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8498 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8499 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8500 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8502 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8503 FDPIC_REGS and FDPIC_FPTR_REGS.
8504 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8505 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8506 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8507 (load_funcdescsi): New pattern.
8508 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8509 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8510 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8512 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8514 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8517 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8519 * tree-flow.h: Remove the prototype for add_type_alias.
8520 * tree-ssa-alias.c (add_type_alias): Remove.
8522 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8524 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8525 config/fr30/fr30.md, config/i386/i386-interix.h,
8526 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8527 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8528 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8529 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8530 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8531 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8532 Follow spelling conventions.
8533 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8534 Follow spelling conventions.
8536 2006-05-27 Richard Guenther <rguenther@suse.de>
8539 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8540 to produce a constant of value 1 of generic type.
8542 2006-05-27 Dirk Mueller <dmueller@suse.de>
8544 * cgraphunit.c (decide_is_function_needed): Fix wrong
8547 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8549 PR rtl-optimization/27661
8550 * reload.c (find_reloads): When reloading a VOIDmode constant
8551 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8552 use Pmode as mode of the reload register.
8554 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8556 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8557 is enabled at -O and above.
8559 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8562 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8565 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8568 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8569 for anonymous variables explicitly declared by front ends.
8571 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8573 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8574 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8575 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8576 ref-all pointers, run a finalization pass for them.
8577 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8578 (finalize_ref_all_pointers): New function.
8579 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8580 regular pointer type to a ref-all pointer type.
8581 (get_tmt_for): Return the special memory tag for ref-all pointers.
8583 2006-05-25 Richard Guenther <rguenther@suse.de>
8586 * fold-const.c (fold_binary): Do not look at the stripped
8587 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8589 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8591 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8592 for LT and GT if the computed range is effectively empty.
8594 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8597 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8598 mips_quad_format formats instead of ieee_single_format,
8599 ieee_double_format and ieee_quad_format formats, respectively.
8601 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8603 PR tree-optimization/27639
8604 PR tree-optimization/26719
8605 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8606 call to scev_probably_wraps_p.
8607 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8608 used_in_pointer_arithmetic_p, convert_step): Removed.
8609 (nowrap_type_p): New function.
8610 (scev_probably_wraps_p): Rewritten.
8611 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8612 chrec_convert if chrec_convert_aggressive might have been used.
8613 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8614 scev_direction): New functions.
8615 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8616 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8617 instead of convert_step.
8618 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8619 (convert_step): Declaration removed.
8620 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8622 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8624 * df-core.c: Added to header comments.
8625 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8626 df_ur_bb_info, df_urec_bb_info): Added comments.
8627 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8628 urec, ri problems): Fixed header comments.
8629 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8630 code from df_rd_transfer_function.
8632 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8634 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8635 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8636 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8638 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8640 * expr.c (undefined_operand_subword_p): New.
8641 (emit_move_multi_word): Do not generate move from undefined bits
8642 of a paradoxical subreg.
8644 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8646 PR rtl-optimization/27736
8647 * combine.c (replaced_rhs_value): New variable.
8648 (combine_instructions): Set it.
8649 (distribute_notes): When distributing a note in replaced_rhs_insn,
8650 check whether the value was used in replaced_rhs_value.
8652 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8655 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8656 add_referenced_var instead of add_referenced_tmp_var.
8657 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8658 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8660 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8661 tree_optimize_tail_calls_1): Use add_referenced_var.
8662 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8663 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8664 Use add_referenced_var.
8665 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8666 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8667 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8668 Use add_referenced_var.
8669 * tree-dfa.c (struct walk_state): Remove.
8670 (find_referenced_vars): Remove walk state and vars_found hash table.
8671 (make_rename_temp): Use add_referenced_var.
8672 (find_vars_r): Pass less parameters to add_referenced_var.
8673 (referenced_var_p): New. Is var in referenced_var hash table.
8674 (referenced_var_insert): Assert var isn't already in hash table.
8675 (add_referenced_var): Don't need walk_state parameter. Add var if it
8676 isn't already in the hash table.
8677 (add_referenced_tmp_var): Remove.
8678 (find_new_referenced_vars_1): Use add_referenced_var.
8679 * tree-ssa-pre.c (create_expression_by_pieces,
8680 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8681 Use add_referenced_var.
8682 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8683 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8684 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8686 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8687 vect_create_data_ref_ptr, vect_create_destination_var,
8688 vect_init_vector, vect_build_loop_niters,
8689 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8690 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8691 Use add_referenced_var.
8692 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8693 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8694 (add_referenced_var): Add prototype.
8695 * tree-ssa-structalias.c (get_constraint_for,
8696 intra_create_variable_infos): Use add_referenced_var.
8698 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8700 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8701 big-endian paradoxical subregs.
8702 * var-tracking.c (struct micro_operation_def): Document that,
8703 for modify micro operations, insn is the subsequent instruction.
8704 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8705 (var_reg_set, var_mem_set): ... new functions.
8706 (add_stores): Record subsequent insn.
8707 (compute_bb_dataflow): Use new functions for MO_USE.
8708 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8709 notes after the insn, and modify notes before the insn known
8710 to be the subsequent one.
8711 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8713 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8716 * config/i386/i386.c (ix86_expand_builtin): Use
8717 gen_sse3_monitor64 for TARGET_64BIT.
8719 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8721 PR rtl-optimization/26375
8722 PR rtl-optimization/26855
8723 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8725 (df_ru_bb_local_compute): Reversed statements and removed bogus
8726 comment explaining why they should be in wrong order.
8727 (df_ru_dump, df_rd_dump): Enhanced debug info.
8728 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8730 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8731 reaching uses and fixed space problem.
8733 2006-05-23 Jan Hubicka <jh@suse.cz>
8735 * cgraphunit.c (decide_is_function_needed): Also nested functions
8736 and functions declared inline can be optimized out at -O0.
8738 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8740 * doc/install.texi (Configuration): Remove reference to CrossGCC
8744 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8747 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8748 ix86_compare_emitted is non-NULL.
8750 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8753 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8756 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8758 PR rtl-optimization/25514
8759 * combine.c (replaced_rhs_insn): New variable.
8760 (combine_instructions): Set replaced_rhs_insn when trying to replace
8761 a SET_SRC with a REG_EQUAL note.
8762 (distribute_notes): Use replaced_rhs_insn when determining the live
8763 range of a REG_DEAD register.
8765 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8766 Anatoly Sokolov <aesok@post.ru>
8768 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8769 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8770 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8771 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8772 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8773 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8774 at90usb647, at90usb1286 and at90usb1287 devices.
8775 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8776 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8778 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8780 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8782 2006-05-22 Richard Guenther <rguenther@suse.de>
8785 2006-01-31 Richard Guenther <rguenther@suse.de>
8786 Paolo Bonzini <bonzini@gnu.org>
8788 * doc/install.texi (--disable-libgcc-math): Document.
8790 2006-05-22 Richard Guenther <rguenther@suse.de>
8793 2006-01-31 Richard Guenther <rguenther@suse.de>
8795 * doc/invoke.texi (-msselibm): Document.
8796 * target.h (expand_library_builtin): New target hook.
8797 * builtins.c (expand_builtin): Use expand_library_builtin.
8798 (default_expand_library_builtin): New function.
8799 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8800 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8801 (link_gcc_math_spec): Declare.
8802 (static_specs): Add link_gcc_math_spec.
8803 * expr.h (default_expand_library_builtin): Declare.
8804 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8805 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8806 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8807 * config/i386/i386.opt (msselibm): New target option.
8808 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8809 (ix86_init_sse_abi_builtins): New function.
8810 (ix86_expand_library_builtin): Likewise.
8811 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8812 (override_options): Handle error conditions wrt -msselibm.
8813 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8814 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8815 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8818 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8821 * c-common.c (self_promoting_args_p): Skip erroneous args.
8824 * c-decl.c (finish_struct): Skip erroneous fields.
8826 2006-05-22 Nick Clifton <nickc@redhat.com>
8828 * config/cris/cris.opt (march): Remove VarExists attribute.
8829 (max-stackframe=): Likewise.
8831 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8833 * doc/rtl.texi: Fix a typo.
8834 * see.c: Fix comment typos.
8836 * tree-ssa-structalias.h (alias_info): Remove num_references.
8838 2006-05-21 Mike Stump <mrs@apple.com>
8840 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8842 (darwin_pragma_options): Use BAD instead.
8843 (darwin_pragma_unused): Likewise.
8844 (darwin_pragma_ms_struct): Likewise.
8846 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8848 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8850 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8852 PR rtl-optimization/27671
8853 * simplify-rtx.c (simplify_relational_operation_1): Fix
8854 simplifications of (eq/ne (xor x y) y) and
8855 (eq/ne (xor x y) x).
8857 PR tree-optimization/26622.
8858 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8861 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8863 * tree-cfg.c: Prune whitespace.
8864 (debug_tree_cfg): Point to correct header containing the
8867 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8870 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8872 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8875 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8876 or sorry count is non zero.
8878 2006-05-20 Andreas Schwab <schwab@suse.de>
8880 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8882 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8883 Kenneth Zadeck <zadeck@naturalbridge.com>
8885 PR rtl-optimization/26855
8887 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8889 (df_scan_alloc): Added code to properly handle multiword hard
8890 registers and add all_blocks parameter.
8891 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8892 code to properly handle multiword hard registers.
8893 (df_rescan_blocks): Added code to remove deleted blocks from
8895 (df_ref_create_structure, df_ref_record): Added code to properly
8897 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8898 and set DF_REF_PARTIAL.
8899 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8900 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8901 (df_scan_add_problem): Added flags parameter.
8902 (df_ref_create_structure): Changed switching structure.
8903 (df_bb_refs_record): Fixed case where duplicate artificial refs
8904 were created. Changed location of flags.
8905 (df_record_entry_block_defs): Added code to make stack pointer
8906 live in entry block. Refined cases where frame pointer is needed.
8907 Changed location of flags.
8908 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8909 (df_set_state): Removed function.
8910 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8911 df_insn_create_insn_record, df_insn_refs_delete,
8912 df_ref_create_structure): Formatting changes.
8913 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8914 df_delete_basic_block): New function.
8915 (df_init): Changed location of flags.
8916 (df_add_problem): Added flags parameter and the way flags are
8918 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8919 debug_df_chain): Improved debugging output.
8920 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8921 (df_refs_chain_dump): Removed df parameter.
8922 (df_iterative_dataflow): Added consistency check.
8923 (df_prune_to_subcfg): Made public.
8924 (df_analyze_problem): Added blocks_to_init parameter and made
8926 (df_ref_record, df_bb_refs_record, df_mark_reg,
8927 df_record_exit_block_uses): Whitespace changes.
8928 (df_dump): Whitespace changes.
8929 * df.h: Some reordering to remove forward references.
8930 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
8931 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
8932 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
8933 (dataflow.flags): New field.
8934 (df.flag): Deleted field.
8935 (df_alloc_function): Added additional bitmap parameter.
8936 (df_dependent_problem_function): New type.
8937 (df_problem.changeable_flags): New field.
8938 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
8939 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
8940 (df_mw_hardreg): New struct.
8941 (DF_INSN_UID_MWS): New macro.
8942 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
8944 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
8945 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
8946 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
8947 (df_set_state): Removed function.
8948 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
8949 * df-problems.c (df_chain_dump): Removed df parameter.
8950 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
8951 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
8953 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
8954 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
8955 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
8956 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
8957 DF_REF_MUST_CLOBBER cases.
8958 (df_ru_bb_local_compute_process_def,
8959 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
8960 df_lr_bb_local_compute, df_ur_bb_local_compute,
8961 df_chain_create_bb): Made subreg aware.
8962 (df_ru_bb_local_compute, df_rd_bb_local_compute,
8963 df_lr_bb_local_compute, df_lr_bb_local_compute,
8964 df_chain_create_bb): Cleanup to use proper macros.
8965 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
8966 code to fixup bitvectors.
8967 (df_ri_alloc): Cleared lifetime.
8968 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
8969 df_create_unused_note): New function.
8970 (df_ri_bb_compute, df_ri_compute): Added code to create/update
8971 REG_DEAD and REG_UNUSED notes as well as register information.
8972 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
8973 df_chains_dump): Fixed crash if problem was never run.
8974 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
8975 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
8976 df_ri_add_problem): Processes flags in uniform manner.
8977 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
8978 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
8979 df_rd_dump, df_urec_free_bb_info): Formatting changes.
8980 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
8981 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
8982 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
8983 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
8984 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
8985 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
8986 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
8987 * see.c (see_initialize_data): Ditto.
8988 * final.c (rest_of_clean_state) Added regstack_completed.
8989 * rtl.h (regstack_completed): Ditto.
8990 * reg-stack.c (regstack_completed): Ditto.
8992 2006-05-19 Mike Stump <mrs@apple.com>
8994 * c-tree.h (default_conversion): Remove.
8995 * c-common.h (default_conversion): Add.
8997 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
8999 * tree-vrp.c (valid_value_p): New function.
9000 (adjust_range_with_scev): Fail if the value of bound is not
9003 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9005 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9006 (mips_fallback_frame_state): Use syscall numbers to determine
9007 the appropriate li instruction for the current ABI. Only use
9008 __NR_sigreturn for o32.
9010 2006-05-19 Nicolas Setton <setton@adacore.com>
9012 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9013 * langhooks.c (lhd_dwarf_name): New function.
9014 * langhooks-def.h (lhd_dwarf_name): Declare.
9015 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9016 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9018 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9020 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9022 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9023 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9024 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9025 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9026 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9027 determine the size of Wtype, etc.
9028 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9029 (swfloatfuncs): New variable.
9030 (dwfloatfuncs): Likewise.
9031 (lib2funcs): Remove floating-point conversion functions from
9032 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9033 the set of conversion routines needed. Allow entries to specify
9034 an object name, filename and word size. Update users accordingly.
9035 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9036 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9040 2006-02-08 Roger Sayle <roger@eyesopen.com>
9043 * config/fixtfdi.c: New libgcc source file.
9044 * config/fixunstfdi.c: New source file.
9045 * config/floatditf.c: New source file.
9046 * config/floatunditf.c: New souce file.
9047 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9048 files above instead of config/mips/_tilib.c.
9049 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9051 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9053 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9054 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9056 2006-05-18 Mike Stump <mrs@apple.com>
9058 Fix up vla, vm and [*] sematics.
9064 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9065 (c_vla_unspec_p): Add.
9066 (c_vla_type_p): Add.
9067 * c-decl.c (struct c_scope): Add had_vla_unspec.
9068 (build_array_declarator): Add support for [*].
9069 (grokdeclarator): Likewise.
9070 (grokparms): Likewise.
9071 (get_parm_info): Likewise.
9072 * c-objc-common.c (c_vla_unspec_p): Likewise.
9073 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9074 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9075 typeof when argument is a variably modified type not inside sizeof or alignof.
9076 (c_parser_direct_declarator_inner): Propagate errors.
9077 (c_parser_sizeof_expression): Add support for [*].
9078 (c_parser_parms_declarator): Initialize had_vla_unspec.
9079 (c_parser_parms_list_declarator): Likewise.
9080 * c-typeck.c (c_vla_type_p): Add.
9081 (composite_type): Add support for vla compositing.
9082 (comptypes_internal): Add support for vla compatibility.
9083 (c_expr_sizeof_expr): Evaluate vla arguments.
9084 * tree.c (variably_modified_type_p): Update comment for [*].
9086 2006-05-18 Michael Matz <matz@suse.de>
9089 * config.host: Make assignments to host_xmake_file cumulative.
9090 * config.host (*-darwin*): Test $host, not $target.
9092 2006-05-12 Stuart Hastings <stuart@apple.com>
9094 * config/i386/i386.opt (-mstackrealign): New flag.
9095 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9096 (ix86_handle_cconv_attribute): Emit error when
9097 force_align_arg_pointer attribute collides with too many regparms.
9098 (ix86_function_regparm): Limit regparms when used with
9099 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9100 Support stack-realigning prologue in non-main functions. Emit
9101 warning for nested functions under -mstackrealign, emit error for
9102 nested functions with force_align_arg_pointer attribute.
9103 * doc/extend.texi (force_align_arg_pointer): Document it.
9104 * doc/invoke.texi (-mstackrealign): Document it.
9106 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9108 PR rtl-optimization/27477
9109 * combine.c (try_combine): Don't split a parallel consisting
9110 of two sets into two individual sets if both sets reference
9113 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9115 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9116 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9118 * doc/options.texi (VarExists): Updated.
9120 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9122 * unwind-dw2.c: Add declarations for uw_update_context and
9124 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9125 detected, advance frame state and context once to skip over stub.
9127 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9131 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9132 Call rewrite_into_loop_closed_ssa only when something changed.
9133 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9134 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9135 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9136 Test for perfect_nest_p here. Fix formating.
9137 (replace_uses_equiv_to_x_with_y): Fix formating.
9138 (stmt_uses_op): Removed.
9139 (can_convert_to_perfect_nest): Removed loopivs parameter.
9140 Complete the test by checking the scalar dependences.
9141 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9144 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9147 From Dan Kegel <dank@kegel.com>:
9148 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9150 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9152 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9153 if the element type is variably modified without recursing.
9155 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9158 * tree-loop-linear.c (try_interchange_loops): Test for
9159 no data dependences.
9161 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9163 PR tree-optimization/27548
9164 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9165 range of ssa names that appear on abnormal edges.
9166 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9167 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9169 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9172 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9174 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9177 * tree.h (OMP_PARALLEL_COMBINED): Define.
9178 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9179 (new_omp_context): Add is_combined_parallel argument.
9180 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9181 new_omp_context caller.
9182 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9183 Adjust gimplify_scan_omp_clauses callers.
9184 (omp_is_private): Issue errors if iteration variable is firstprivate
9185 or reduction in the current context.
9186 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9187 on combined parallel workshare constructs.
9189 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9191 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9192 (gcc-options.o): New rule.
9194 * optc-gen.awk: Protect variables for gcc-options.o with
9195 #ifdef GCC_DRIVER/#endif.
9197 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9199 Fix PR tree-optimization/27373
9200 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9201 (forward_propagate_addr_expr): Update call.
9203 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9205 * doc/options.texi: Move the Negative option.
9207 2006-05-16 Richard Guenther <rguenther@suse.de>
9209 PR tree-optimization/22303
9210 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9212 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9213 ccp_fold did not simplify the statement.
9215 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9218 * Makefile.in (GCC_OBJS): New.
9219 (OBJS-common): Add opts-common.o.
9220 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9221 (cpp$(exeext)): Likewise.
9222 (gcc.o): Also depend on opts.h.
9223 (opts-common.o): New.
9225 * common.opt (gcoff): Add Negative(gdwarf-2).
9226 (gdwarf-2): Add Negative(gstabs).
9227 (gstabs): Add Negative(gstabs+).
9228 (gstabs+): Add Negative(gvms).
9229 (gvms): Add Negative(gxcoff).
9230 (gxcoff): Add Negative(gxcoff+).
9231 (gxcoff+): Add Negative(gcoff).
9232 * config/i386/i386.opt (m32): Add Negative(m64).
9233 (m64): Add Negative(m32).
9235 * doc/options.texi: Document the Negative option.
9237 * gcc.c: Include "opts.h".
9238 (main): Call prune_options after expandargv.
9240 * optc-gen.awk: Generate common declarations for all flag
9241 variables in options.c. Output the neg_index field.
9243 * opts.c (find_opt): Moved to ...
9244 * opts-common.c: Here. New file.
9246 * opts.h (cl_option): Add a neg_index field.
9248 (prune_options): Likewise.
9250 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9253 * omp-low.c (expand_omp_parallel): Don't assert
9254 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9255 instead search for it.
9258 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9261 2006-05-16 Andreas Schwab <schwab@suse.de>
9263 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9266 2006-05-15 Roger Sayle <roger@eyesopen.com>
9269 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9270 integer constants other than zero are only legitimate on TARGET_64BIT.
9271 <CONST_VECTOR> Only zero vectors are legitimate.
9272 (ix86_cannot_force_const_mem): Integral and vector constants can
9273 always be put in the constant pool.
9275 2006-05-16 DJ Delorie <dj@redhat.com>
9277 * crtstuff.c (__dso_handle): Set section from
9278 TARGET_LBIGCC_SDATA_SECTION if defined.
9279 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9280 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9282 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9285 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9288 2006-05-16 Ben Elliston <bje@au.ibm.com>
9290 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9292 2006-05-15 Per Bothner <per@bothner.com>
9294 * tree.c: (last_annotated_node): Use source_locus typedef.
9295 This permits bootstrapping with --enable-mapped-location.
9297 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9299 PR tree-optimization/26830
9300 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9301 (info_for_ssa_name, current_info_for_ssa_name_age,
9302 blocks_to_update): New variables.
9303 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9304 (clear_ssa_name_info, initialize_flags_in_bb,
9305 mark_block_for_update): New functions.
9306 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9307 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9308 prepare_def_site_for): Use mark_block_for_update.
9309 (mark_def_interesting): Assert that the processed block is marked in
9310 blocks_to_update. Do not take blocks argument.
9311 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9313 (rewrite_update_init_block, rewrite_update_stmt): Only process
9314 blocks with statements to rewrite.
9315 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9316 (update_ssa): Initialize and free blocks_to_update. Do not
9317 clear flags on statements. Do not use blocks bitmap.
9318 * tree.h (SSA_NAME_AUX): Removed.
9319 (struct tree_ssa_name): Removed aux field.
9320 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9322 2006-05-15 Richard Guenther <rguenther@suse.de>
9324 PR tree-optimization/27603
9325 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9326 Do computations in original type.
9328 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9330 * see.c: Code style changes such as redundant paranthesis,
9331 redundant intialization of local variables etc.
9332 (see_main): Declared now as static.
9333 * doc/invoke.texi: Update that -fsee is not enabled by
9336 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9338 * omp-low.c (check_omp_nesting_restrictions): New function.
9339 (scan_omp_1): Call it.
9342 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9343 construct, return *VAR.
9345 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9347 PR rtl-optimization/27406
9348 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9351 2006-05-14 Roger Sayle <roger@eyesopen.com>
9353 PR rtl-optimization/27538
9354 * combine.c (expand_compound_operation): Call gen_lowpart
9355 before calling simplify_shift_const.
9357 2006-05-14 Roger Sayle <roger@eyesopen.com>
9359 PR rtl-optimization/22563
9360 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9361 a fixed width bitfield, always force the intermediates into psuedos.
9363 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9366 * mkconfig.sh: Use operator = instead of == for test.
9368 2006-05-13 Nick Clifton <nickc@redhat.com>
9370 * dwarf2out.c (dbx_reg_number): Check return value from
9371 LEAF_REG_REMAP and only use it if it is valid.
9372 (multiple_reg_loc_descriptor): Likewise.
9374 2006-05-13 Richard Guenther <rguenther@suse.de>
9376 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9379 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9381 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9382 information attached to non-INSNs such as NOTEs.
9383 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9385 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9387 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9389 * config/s390/s390.md: Adjust comment describing On constraint.
9391 2006-05-11 Jan Hubicka <jh@suse.cz>
9393 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9394 to be output at -O0.
9396 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9399 * fold-const.c (size_binop): Move sanity check for arguments to
9400 the beginning of the function.
9403 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9406 2006-05-11 Richard Guenther <rguenther@suse.de>
9409 * fold-const.c (fold_unary): Handle intermediate conversion
9410 to a pointer type like intermediate conversion to an integer
9411 type in folding of (T1)(T2)var to var.
9412 Match the code to the comment in the final conversion for
9413 (T1)(T2)var to (T1)var regarding to type precision. Rather
9414 than disallow T1 being of pointer type, assert that both T1
9415 and var are of pointer type or not. Make sure not to fall
9416 over the frontends lazyness wrt array to pointer decay though.
9418 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9420 * arm.c (arm_struct_value_rtx): Delete.
9421 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9422 (arm_init_cumulative_args): Always initialize nregs to zero.
9424 2006-05-10 Richard Guenther <rguenther@suse.de>
9426 PR tree-optimization/27532
9427 * tree-object-size.c (plus_expr_object_size): Fix typo.
9429 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9432 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9433 ashrdi_const, ashrdi3): Use a scratch register.
9435 2006-05-10 Richard Guenther <rguenther@suse.de>
9437 PR tree-optimization/27302
9438 * fold-const.c (operand_equal_p): For two comparisons,
9439 try comparison of one comparison code swapped if that yields
9442 2006-05-10 Ben Elliston <bje@au.ibm.com>
9444 * tree-pretty-print.c (pretty_print_string): No need to handle
9445 '\0' as a special character.
9447 * tree.h: Include "hashtab.h".
9448 (iterative_hash_expr): Use hashval_t in its prototype.
9449 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9451 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9454 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9455 (hppa*64*-*-hpux11*): Ditto.
9456 (hppa[12]*-*-hpux11*): Ditto.
9458 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9461 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9463 2006-05-09 Michael Matz <matz@suse.de>
9465 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9466 host_extra_gcc_objs and host_xmake_file.
9467 (<*-*-linux*>): Don't overwrite host_xmake_file.
9468 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9469 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9470 (host_detect_local_cpu): Declare.
9471 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9472 * config/i386/i386.c (override_options): Handle -mtune=native
9474 * config/i386/x-i386: New file.
9475 * config/i386/driver-i386.c: New file.
9476 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9479 2006-05-09 Dirk Mueller <dmueller@suse.de>
9480 Richard Guenther <rguenther@suse.de>
9483 * fold-const.c (fold_read_from_constant_string): Relax check
9484 for matching types to matching modes.
9486 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9488 PR rtl-optimization/27335
9489 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9492 2006-05-08 Chao-ying Fu <fu@mips.com>
9493 Richard Sandiford <richard@codesourcery.com>
9495 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9496 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9497 * config/mips/mips.md (UNSPEC_SCC): New constant.
9498 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9499 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9500 (mips_emit_compare): Use it.
9501 (mips_expand_vcondv2sf): New function.
9503 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9505 Fix PR tree-optimization/27093
9506 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9507 renaming when they become not-used_alone.
9509 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9511 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9512 relocation and relocation stubs.
9514 2006-05-08 Eric Christopher <echristo@apple.com>
9516 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9519 2006-05-08 Jan Hubicka <jh@suse.cz>
9522 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9523 unused static functions are needed.
9525 2006-05-08 Roger Sayle <roger@eyesopen.com>
9528 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9529 of a reg_equiv_constant if the result is a legitimate constant.
9531 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9534 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9535 standard 80387 constants, raise the cost to prevent
9536 compress_float_constant() to generate load from memory.
9538 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9540 * config/arm/constraints.md (c): Fix a typo.
9542 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9545 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9548 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9550 (_mm_mwait): Likewise.
9552 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9554 (sse3_monitor): Make it 32bit only.
9555 (sse3_monitor64): New. 64bit monitor.
9557 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9560 * config/i386/i386.c (classify_argument): Skip fields with invalid
9563 2006-05-07 Richard Guenther <rguenther@suse.de>
9565 PR tree-optimization/27409
9566 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9567 Do not try to find zero-sized subvars.
9569 2006-05-07 Richard Guenther <rguenther@suse.de>
9571 PR tree-optimization/27136
9572 * tree-ssa-loop-niter.c (get_val_for): Correct function
9573 comment, assert requirements.
9574 (loop_niter_by_eval): Stop processing if the iterated
9575 value did not simplify.
9577 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9579 * opts.c (flag_see): remove its setting at -O3.
9581 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9583 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9584 * arm/constraints.md: New file.
9585 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9586 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9587 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9588 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9589 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9590 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9591 * arm.md: Include constraints.md.
9592 (thumb_movsi_insn): Use satisfies_constraint_J.
9593 (movhi, movqi): Use satisfies_constraint_I.
9595 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9597 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9598 for atmeg a645 device.
9600 2006-05-06 Richard Guenther <rguenther@suse.de>
9602 PR tree-optimization/27151
9603 * tree-vect-transform.c (vectorizable_condition): Punt on
9604 values that have a different type than the condition.
9606 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9609 * c-parser.c (c_parser_cast_expression): Only insert casts into
9610 hash table if pointer.
9611 * function.c (used_types_insert_helper): Rename from
9613 (used_types_insert): Call used_types_insert_helper.
9614 * function.h (used_types_insert): Accept only one argument.
9616 2006-05-05 David Edelsohn <edesohn@gnu.org>
9618 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9619 scratch with output modifier.
9621 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9624 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9625 with output modifier.
9627 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9630 * config/mips/mips.c (mips_symbolic_address_p): Return true
9631 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9632 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9634 2006-05-04 Richard Guenther <rguenther@suse.de>
9636 PR tree-optimization/14287
9637 PR tree-optimization/14844
9638 PR tree-optimization/19792
9639 PR tree-optimization/21608
9640 PR tree-optimization/27090
9641 * tree-ssa-pre.c (try_combine_conversion): New function.
9642 (compute_avail): After constructing the value-handle
9643 expression, use try_combine_conversion to combine NOP_EXPRs
9644 with previous value-handle expressions and use the result if it
9647 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9649 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9651 2006-05-04 Jan Hubicka <jh@suse.cz>
9654 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9656 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9658 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9659 that this only matches CONST_INTs. All users changed to VOIDmode
9662 * config/bfin/bfin.c: Include "optabs.h".
9663 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9665 (enum bfin_builtins): Add a number of fractional and vector builtins.
9666 (bfin_init_builtins): Likewise.
9667 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9668 (safe_vector_operand, bfin_expand_binop_builtin,
9669 bfin_expand_unop_builtin): New functions.
9670 (bfin_expand_builtin): Handle the new builtins.
9671 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9674 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9677 * Makefile.in (OBJS-common): Add see.o.
9678 (see.o): Add dependencies.
9679 * common.opt (fsee): New flag for the see optimization was added.
9680 * opts.c (flag_see): Initialized.
9681 * passes.c (init_optimization_passes, pass_see): New pass.
9682 * rtl.h (see_main): Declaration as extern.
9683 * timevar.def (TV_SEE): New.
9684 * tree-pass.h (pass_see): Declaration as extern.
9685 * invoke.texi (-fsee): Document.
9686 * recog.c (validate_simplify_insn): New function.
9687 * recog.h (validate_simplify_insn): Declaration as extern.
9688 * df-problems.c (df_chain_dump): Check for NULL.
9690 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9691 Daniel Berlin <dberlin@dberlin.org>
9693 * cfgrtl.c (insert_insn_bb_end_new): New function.
9694 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9696 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9698 * df.h (struct web_entry): Moved from web.c.
9699 (union_defs): Declaration as extern.
9700 (unionfind_root): Likewise.
9701 (unionfind_union): Likewise.
9702 * web.c (struct web_entry): Moved to df.h.
9703 (unionfind_root): Remove static declaration.
9704 (unionfind_union): Likewise.
9705 (union_defs): Likewise and generalize to use callback function.
9706 (web_main): Update arguments for union_defs function call.
9708 2006-05-04 Richard Guenther <rguenther@suse.de>
9710 PR tree-optimization/26447
9711 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9712 produce SSA_NAME copies before the store stmt to avoid
9713 breaking exception handling.
9715 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9718 * gimplify.c (omp_is_private): If var is shared in some outer context,
9719 return false instead of true. Stop searching on parallel context
9722 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9725 * coverage.c: Use get_gcov_unsigned_t() instead of
9726 unsigned_type_node all over.
9728 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9730 PR tree-optimization/27381
9731 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9732 maintain the same immediate_use links.
9733 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9734 node rather than segfaulting.
9736 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9739 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9740 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9741 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9743 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9745 Fix PR tree-optimization/26626
9746 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9748 * tree-ssa-operands.c (access_can_touch_variable): Allow
9749 typecasting through union pointers.
9751 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9754 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9755 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9756 to find if var will be a global variable even in the nested context.
9757 (omp_copy_decl): Only check for global variable at the end, it might
9758 be overridden in outer contexts.
9759 (scan_sharing_clauses): For global variables don't create a field.
9760 (lower_rec_input_clauses): Do nothing for global shared variables.
9761 Emit a barrier at the end of ILIST if there were any decls in both
9762 firstprivate and lastprivate clauses.
9763 (lower_send_clauses): Do nothing for global variables except for
9766 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9768 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9769 of the correct signedness is returned.
9771 2006-05-02 Jeff Law <law@redhat.com>
9773 PR tree-optimization/27364
9774 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9775 multiply expressions.
9777 2006-05-02 Tom Tromey <tromey@redhat.com>
9779 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9781 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9784 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9785 -mthumb -fPIC are used.
9787 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9788 Joshua Kinard <kumba@gentoo.org>
9791 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9792 with 64-bit pointers.
9794 2006-05-02 Paul Brook <paul@codesourcery.com>
9796 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9798 (create_fix_barrier): Check that a suitable barrier location is
9800 (arm_reorg): Include ftmp->address in allowable range of addresses.
9802 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9805 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9808 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9811 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9812 around RESULT_DECL for result passed by reference.
9813 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9814 * omp-low.c (use_pointer_for_field): Don't look at
9815 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9816 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9817 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9818 time or var for passing by reference for
9819 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9820 TREE_ADDRESSABLE variables when passing by reference.
9822 * omp-low.c (dump_omp_region): Fix output formatting.
9825 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9826 (expand_omp_parallel): Likewise.
9827 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9830 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9831 on statement list containing also constructors and destructors.
9832 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9835 * except.c (duplicate_eh_regions): Fix clearing of
9836 cfun->eh->region_array entries.
9838 2006-05-01 DJ Delorie <dj@redhat.com>
9840 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9842 (gcc_cv_objdump): Likewise.
9843 * configure: Regenerated.
9845 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9848 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9849 templates for case 3 and 4.
9851 2006-05-01 DJ Delorie <dj@redhat.com>
9853 * vec.c: Include bconfig.h when appropriate.
9854 * Makefile.in (build/vec.o): Adjust dependencies.
9855 * mkconfig.sh: Make sure config.h isn't used for build machine
9858 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9860 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9862 (mark_phi_for_rewrite): New function.
9863 (insert_phi_nodes_for, mark_use_interesting): Call
9864 mark_phi_for_rewrite.
9865 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9866 (update_ssa): Initialize and free phis_to_rewrite.
9868 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9870 PR rtl-optimization/27291
9871 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9872 folded to a constant.
9874 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9876 PR tree-optimization/27283
9877 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9878 not whole # of iteration descriptions.
9879 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9880 uses abnormal ssa name.
9881 (niter_for_single_dom_exit): Ditto.
9882 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9883 return just the number of iterations.
9885 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9887 PR tree-optimization/27144
9888 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9889 (record_estimate): Only record constant upper bound.
9890 (infer_loop_bounds_from_undefined): Call
9891 compute_estimated_nb_iterations just once.
9892 (proved_non_wrapping_p): Renamed to ...
9893 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9894 (convert_step_widening, scev_probably_wraps_p): Call
9895 n_of_executions_at_most instead of proved_non_wrapping_p.
9896 (substitute_in_loop_info): Do not replace values in bounds.
9897 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9900 2006-05-01 Richard Henderson <rth@redhat.com>
9903 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9904 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9907 2006-05-01 Roger Sayle <roger@eyesopen.com>
9909 * c-typeck.c (parser_build_binary_op): Don't call the function
9910 unsigned_conversion_warning to spot operand/result type overflow.
9911 (build_binary_op): Instead, call convert_and_check instead of
9912 convert to report the problem when the operands are promoted.
9913 * c-common.c (unsigned_conversion_warning): Make static.
9914 * c-common.h (unsigned_conversion_warning): Delete prototype.
9916 2006-05-01 Richard Guenther <rguenther@suse.de>
9918 PR tree-optimization/26726
9919 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9921 (find_interesting_uses_address): ... we work around here
9922 by folding INDIRECT_REFs in the substituted base.
9924 2006-05-01 Diego Novillo <dnovillo@redhat.com>
9926 * omp-low.c (dump_omp_region): Add newlines.
9928 2006-04-30 Roger Sayle <roger@eyesopen.com>
9930 * common.opt (Woverflow): New command line option.
9931 * c-common.c (constant_expression_warning): Check warn_overflow.
9932 (overflow_waring): Pass OPT_Woverflow to warning.
9933 (unsigned_conversion_warning): Likewise.
9934 (convert_and_check): Likewise.
9935 * doc/invoke.texi: Document new command line option.
9937 2006-04-30 David Edelsohn <edelsohn@gnu.org>
9939 * config/rs6000/rs6000.c (rs6000_override_options): Enable
9940 TARGET_NO_FP_IN_TOC for section anchors.
9941 (optimization_options): Enable section anchors for all
9942 non-"Objective" languages.
9944 2006-04-28 Eric Christopher <echristo@apple.com>
9946 * config/darwin-c.c (darwin_ms_struct): Move this
9947 (darwin_set_default_type_attributes): and this...
9948 * config/darwin.c: ... here.
9949 * config/darwin.h (darwin_ms_struct): Declare.
9951 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
9953 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
9955 2006-04-28 Roger Sayle <roger@eyesopen.com>
9958 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
9959 (push_array_bounds): Delete prototype. Change BOUNDS argument to
9960 an unsigned HOST_WIDE_INT.
9961 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
9963 (really_start_incremental_init): No need to call convert because
9964 bitsize_zero_node is already of type bitsizetype.
9965 (push_init_level): Extract the value of constructor_index as an
9966 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
9967 (process_init_element): Likewise.
9969 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
9971 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
9972 value before passing to make_relative_prefix.
9974 2006-04-28 Alan Modra <amodra@bigpond.net.au>
9977 * builtins.c (expand_builtin_memset): Expand val in original mode.
9979 2006-04-27 Eric Christopher <echristo@apple.com>
9981 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
9982 with #ifndef/#endif.
9983 * config/darwin-c.c (darwin_ms_struct): New.
9984 (darwin_pragma_ms_struct): Ditto.
9985 (darwin_set_default_type_attributes): Ditto.
9986 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
9987 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
9988 Register ms_struct pragma.
9989 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
9990 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
9991 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
9992 darwin_set_default_type_attributes if TARGET_MACHO.
9994 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
9996 PR tree-optimization/26854
9997 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
9998 * doc/tree-ssa.texi: Update immuse iterator documentation.
9999 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10000 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10001 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10002 first_safe_imm_use, next_safe_imm_use): Remove.
10003 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10004 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10005 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10006 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10007 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10008 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10009 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10010 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10011 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10012 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10013 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10014 (perfect_nestify): Use new iterator.
10015 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10017 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10018 (next_imm_name): New field in struct immediate_use_iterator_d.
10019 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10020 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10021 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10022 * tree-cfg.c (replace_uses_by): Use new iterator.
10023 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10024 * tree-ssa-operands.c (correct_use_link): Remove.
10025 (finalize_ssa_use_ops): No longer call correct_use_link.
10027 2006-04-27 Stuart Hastings <stuart@apple.com>
10029 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10030 * config/t-darwin (crt3.o): Use it.
10031 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10032 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10033 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10034 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10035 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10038 2006-04-27 Roger Sayle <roger@eyesopen.com>
10040 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10041 size, force the intermediate into a new pseudo rather instead of
10042 performing both a bitwise AND and a bitwise IOR in memory.
10044 2006-04-27 Richard Guenther <rguenther@suse.de>
10046 PR rtl-optimization/26685
10047 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10048 this one "max-flow-memory-locations".
10050 2006-04-27 Richard Guenther <rguenther@suse.de>
10052 PR tree-optimization/25148
10053 * tree-vrp.c (compare_values): Remove code dealing with
10054 comparisons against type min/max value. Honour overflow
10055 and negative constants in code dealing with comparisons
10056 of plus and minus expressions.
10057 (value_inside_range): Use fold_binary with LE_EXPR and
10058 GE_EXPR rather than compare_values.
10060 2006-04-27 Dirk Mueller <dmueller@suse.de>
10062 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10065 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10067 * basic-block.h (safe_insert_insn_on_edge): Removed.
10068 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10070 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10071 Paolo Bonzini <bonzini@gnu.org>
10073 PR middle-end/27282
10074 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10075 (simplify_and_const_int): Same.
10077 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10079 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10081 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10084 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10085 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10086 cgraph_global_info_ready.
10088 PR middle-end/26913
10089 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10092 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10093 either decl or init is error_mark_node.
10095 PR middle-end/25989
10096 * tree-flow.h (struct omp_region): Add sched_kind.
10097 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10098 instead of extracting omp for data.
10099 (expand_omp_for): Save extracted sched_kind.
10101 2006-04-25 Roger Sayle <roger@eyesopen.com>
10103 * expmed.c (store_bit_field): Also check whether the bitsize is
10104 valid for the machine's "insv" instruction before moving the
10105 target into a pseudo for use with the insv.
10106 * config/i386/predicates.md (const8_operand): New predicate.
10107 * config/i386/i386.md (extv, extzv, insv): Use the new
10108 const8_operand predicate where appropriate.
10110 2006-04-25 DJ Delorie <dj@redhat.com>
10112 * doc/install.texi (Specific): Clarify that this is not a list of
10113 supported hosts or targets.
10115 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10117 PR rtl-optimization/26725
10118 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10119 block's BB_DIRTY flag.
10121 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10123 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10126 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10127 to print an integer.
10129 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10131 * varasm.c (align_variable): New function.
10132 (get_block_for_decl): Apply align_variable to DECL before
10133 calculating section information.
10134 (assemble_variable): Split out alignment computation.
10136 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10138 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10141 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10143 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10144 MODE_PARTIAL_INT mode.
10145 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10146 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10148 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10149 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10151 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10153 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10155 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10156 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10157 MACFLAG_IH): Likewise.
10158 (movstricthi_1): Renamed from "*movstricthi".
10159 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10160 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10161 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10162 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10163 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10164 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10165 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10166 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10167 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10168 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10169 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10170 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10171 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10172 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10173 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10175 * doc/rtl.texi (ss_ashift): Improve wording.
10177 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10179 * dwarf2out.c (verify_marks_clear): New.
10180 (prune_unused_types): Call verify_marks_clear initially, not
10183 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10185 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10186 * doc/rtl.texi: Document them.
10187 * simplify-rtx.c (simplify_unary_operation,
10188 simplify_binary_operation_1): Don't abort when we see them.
10190 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10193 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10194 * configure.ac: Completely disregard languages that are not
10196 * configure: Regenerated.
10198 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10199 Richard Guenther <rguenther@suse.de>
10201 PR tree-optimization/27236
10202 * tree-inline.c (copy_body_r): Make sure to copy
10203 TREE_THIS_VOLATILE flag.
10205 2006-04-24 Richard Guenther <rguenther@suse.de>
10207 PR middle-end/26869
10208 * tree-complex.c (update_parameter_components): Don't handle
10209 unused parameters which have no default def.
10211 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10212 Richard Guenther <rguenther@suse.de>
10214 PR tree-optimization/27218
10215 * tree-inline.c (expand_call_inline): Strip useless type
10216 conversions for the return slot address.
10218 2006-04-24 Richard Guenther <rguenther@suse.de>
10220 * cfgloop.h (struct loops): Remove unused field array. Reorder
10222 (LOOP_PREFETCH): Remove.
10224 2006-04-24 Richard Guenther <rguenther@suse.de>
10226 PR tree-optimization/22525
10227 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10228 variable, adjust types of generated expressions.
10230 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10232 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10233 (tree-vect-patterns.o): Likewise.
10234 (jump.o): Likewise.
10235 (cselib.o): Likewise.
10236 (loop-doloop.o): Likewise.
10237 (regclass.o): Likewise.
10238 (reload1.o): Likewise.
10239 (explow.o): Replace target.h with $(TARGET_H).
10240 (ipa-prop.o): Likewise.
10241 (ipa-cp.o): Likewise.
10242 (ipa-inline.o): Likewise.
10243 (reorg.o): Likewise.
10244 (reg-stack.o): Likewise.
10246 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10248 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10250 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10252 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10254 * configure.ac: Completely disregard languages that are not
10256 * configure: Regenerated.
10259 * c-common.h (c_build_bitfield_integer_type): Declare.
10260 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10261 * c-common.c (c_build_bitfield_integer_type): ... here.
10263 2006-04-23 Roger Sayle <roger@eyesopen.com>
10266 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10267 a SImode SUBREG of a floating point register after no_new_pseudos.
10269 2006-04-23 Roger Sayle <roger@eyesopen.com>
10271 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10272 identify potentially eliminable registers to additionally catch
10273 VIRTUAL_INCOMING_ARGS_REGNUM.
10274 (addsi3): Update the conditions on when to use addsi_small_int.
10276 2006-04-23 Roger Sayle <roger@eyesopen.com>
10279 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10280 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10281 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10283 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10285 * fold-const.c (range_predecessor): Use operand_equal_p
10286 as the predicate for equality.
10287 (range_successor): Likewise.
10289 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10292 * config/soft-fp/op-common.h: Fix a typo.
10294 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10296 PR libmudflap/26864
10297 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10298 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10300 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10302 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10304 * doc/tm.texi: Fix a typo.
10306 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10308 * dwarf2out.c (struct die_struct): Document that die_sib makes
10309 a circular linked list.
10310 (FOR_EACH_CHILD): New.
10311 (reverse_die_lists): Delete.
10312 (reverse_all_dies): Delete.
10313 (add_dwarf_attr): Correct documentation.
10314 (remove_child_with_prev): New.
10315 (remove_child_TAG): Update for change to die_struct, use
10316 remove_child_with_prev.
10317 (add_child_die): Update for change to die_struct.
10318 (splice_child_die): Use remove_child_with_prev and add_child_die.
10319 (print_die): Use FOR_EACH_CHILD.
10320 (die_checksum): Likewise.
10321 (assign_symbol_names): Likewise.
10322 (output_location_lists): Likewise.
10323 (build_abbrev_table): Likewise.
10324 (calc_die_sizes): Likewise.
10325 (mark_dies): Likewise.
10326 (unmark_dies): Likewise.
10327 (unmark_all_dies): Likewise.
10328 (output_die): Likewise.
10329 (prune_unused_types_mark): Likewise.
10330 (prune_unused_types_walk): Likewise.
10331 (same_die_p): Update for change to die_struct.
10332 (break_out_includes): Likewise.
10333 (prune_unused_types_prune): Likewise.
10334 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10335 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10336 it's already clear.
10337 (dwarf2out_finish): Don't call reverse_all_dies.
10339 2006-04-21 Eric Christopher <echristo@apple.com>
10341 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10342 in comments and function names.
10344 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10347 * c-typeck.c (digest_init): Robustify.
10349 * c-typeck.c (pop_init_level): Simplify.
10351 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10353 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10355 2006-04-21 Paul Brook <paul@codesourcery.com>
10357 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10358 hardware floating point.
10360 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10362 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10365 2006-04-21 Nick Clifton <nickc@redhat.com>
10367 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10370 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10373 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10374 C++ lang type in traceback table for Objective-C++.
10376 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10378 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10380 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10382 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10385 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10386 were errors. Remove check for erroneous objects.
10388 2006-04-20 Jeff Law <law@redhat.com>
10390 PR tree-optimization/26854
10391 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10392 checking for zero or one use.
10393 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10394 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10395 * tree-ssa-reassoc.c (negate_value): Similarly.
10396 (reassociate_bb): Similarly.
10398 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10400 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10401 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10402 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10404 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10406 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10407 fp regs if the last fp arg doesn't fit in regs.
10409 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10412 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10413 that the last insn has the REG_INC note.
10415 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10416 Nathan Sidwell <nathan@codesourcery.com>
10419 * stor-layout.c (update_alignment_for_field): Do not align
10421 (place_union_field): Place union field at the start of the union.
10422 (place_field): Move ERROR_MARK check later, and use the current
10423 allocation position to maintain monotonicity.
10425 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10427 * dominance.c: Include timevar.h.
10428 (calculate_dominance_info): Use TV_DOMINANCE.
10429 * timevar.def (TV_DOMINANCE): New timevar.
10430 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10432 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10434 PR rtl-optimization/14261
10435 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10436 move would be an INSV insn.
10437 (noce_process_if_block): Don't optimize if the destination is a
10438 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10440 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10442 * config/s390/s390.md: Add comments with the instructions emitted
10443 by an insn pattern if macros are used.
10445 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10447 PR rtl-optimization/26026
10448 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10449 is a known power of two shifted left a variable amount.
10451 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10453 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10454 to hash table twice when the debug_str section has SECTION_MERGE.
10456 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10458 * config/soft-fp: New directory. From glibc.
10459 * config/soft-fp/t-softfp: New.
10460 * config/soft-fp/README: New.
10461 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10462 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10463 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10464 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10465 * config.gcc: Use rs6000/t-fprules-fpbit or
10466 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10468 * config/rs6000/sfp-machine.h: New. Based on glibc.
10469 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10471 * config/rs6000/t-fprules: Remove fp-bit rules.
10472 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10473 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10474 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10475 (softfp_wrap_start, softfp_wrap_end): New.
10477 2006-04-18 DJ Delorie <dj@redhat.com>
10479 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10481 2006-04-18 Devang Patel <dpatel@apple.com>
10483 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10485 2006-04-18 Nick Clifton <nickc@redhat.com>
10487 * config/sh/t-symbian: Add rule to build sh-c.o
10488 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10489 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10490 (sh_symbian_encode_section_info): Likewise.
10492 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10494 * builtins.c (expand_builtin_strcmp): Cover label definition of
10495 do_libcall with HAVE_cmpstrnsi.
10497 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10499 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10501 * function.h (temp_slot_p): New.
10502 (function): Change the type of x_used_temp_slots to
10503 VEC(temp_slot_p,gc) *.
10505 2006-04-18 Nick Clifton <nickc@redhat.com>
10507 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10508 flag_strength_reduce.
10510 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10512 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10516 Partial revert of revision 112637
10517 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10518 Dale Johannesen <dalej@apple.com>
10521 * regclass.c (struct reg_pref): Update documentation.
10522 (regclass): Set prefclass to NO_REGS if memory is the best option.
10523 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10525 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10527 PR tree-optimization/26821
10528 * tree-ssa-math-opts.c (get_constant_one): New.
10529 (insert_reciprocals): Use it.
10531 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10533 * dwarf2out.c (free_AT): Delete.
10534 (remove_AT): Update string ref counts.
10535 (remove_child_TAG): Don't call free_die.
10536 (free_die): Delete.
10537 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10538 or DW_TAG_GNU_EINCL.
10539 (prune_unused_types_walk_attribs): Reset string refcounts.
10540 (prune_unused_types_update_strings): New.
10541 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10542 call free_die. Do call prune_unused_types_update_strings.
10543 (prune_unused_types): Empty debug_str_hash.
10545 2006-04-17 Roger Sayle <roger@eyesopen.com>
10547 * expr.c (expand_assignment): Optimize away no-op moves where the
10548 source and destination are equal and have no side-effects.
10550 2006-04-17 Richard Guenther <rguenther@suse.de>
10553 * reload.c (push_reload): Guard calls to get_secondary_mem
10554 for memory subregs.
10556 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10558 * alias.c (reg_base_value, old_reg_base_value): Change the
10559 type to VEC(rtx,gc) *.
10560 (REG_BASE_VALUE, find_base_value, record_set,
10561 init_alias_analysis): Use VEC instead of VARRAY.
10563 * alias.c (alias_sets): Change the type to
10564 VEC(alias_set_entry,gc) *.
10565 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10566 VEC instead of VARRAY.
10567 (last_alias_set): Remove.
10569 * cgraph.h (cgraph_edge_p): New.
10570 Update the prototype of cgraph_function_versioning.
10571 * cgraphunit.c (cgraph_copy_node_for_versioning,
10572 cgraph_function_versioning): Use VEC instead of VARRAY.
10573 * ipa-cp.c (ipcp_insert_stage): Likewise.
10575 2006-04-16 Roger Sayle <roger@eyesopen.com>
10578 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10579 "A op B" or "A op C", we may need to convert A to the type of B and C.
10581 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10583 * target.h (struct gcc_target): Add mode_rep_extended.
10584 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10585 (init_num_sign_bit_copies_in_rep): Initialize it using
10587 (truncate_to_mode): Use it.
10588 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10589 * targhooks.h (default_mode_rep_extended): Declare it.
10590 * targhooks.c (default_mode_rep_extended): Define it.
10591 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10592 default_mode_rep_extended.
10593 (TARGET_INITIALIZER): Include it.
10594 * doc/tm.texi (Misc): Document it.
10595 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10596 (mips_truncated_to_mode): New function.
10598 2006-04-16 Roger Sayle <roger@eyesopen.com>
10600 PR middle-end/25474
10601 * expr.c (compress_float_constant): Copy the narrow constant into
10602 a new pseudo before extending it to its final width.
10604 2006-04-16 Roger Sayle <roger@eyesopen.com>
10605 Andrew Pinski <pinskia@gcc.gnu.org>
10606 Dale Johannesen <dalej@apple.com>
10609 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10610 special case code to implement V8HImode and V16QImode with SSE2.
10612 2006-04-15 Roger Sayle <roger@eyesopen.com>
10614 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10615 trees are constructed with a suitable tree type.
10617 2006-04-15 Roger Sayle <roger@eyesopen.com>
10619 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10620 (integer_onep): Likewise.
10621 (integer_all_onesp): Likewise.
10622 (integer_pow2p): Likewise.
10623 (integer_nonzerop): Likewise.
10624 (real_zerop): Likewise.
10625 (real_onep): Likewise.
10626 (real_twop): Likewise.
10627 (real_minus_onep): Likewise.
10628 (int_size_in_bytes): Likewise.
10629 (host_integerp): Likewise.
10631 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10633 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10634 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10635 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10637 * tree-ssa-structalias.h (alias_info): Remove num_references.
10639 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10641 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10642 (output_bvb patterns): Likewise.
10643 * pa.c (output_bb): Use 'bb' insn for long branch case.
10644 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10645 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10646 1. Correct length operand for alternatives 1 and 2.
10647 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10648 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10650 2006-04-14 Roger Sayle <roger@eyesopen.com>
10652 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10653 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10654 were accidentally reverted by r112959.
10656 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10658 PR middle-end/26823
10659 * except.h (eh_region_outermost): New prototype.
10660 * except.c (eh_region_outermost): New function.
10661 * tree-cfg.c (find_outermost_region_in_block): Use it.
10663 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10665 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10667 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10668 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10669 (init_reload, reload): Use VEC instead of VARRAY.
10670 * reload.h: Update the prototype for
10671 reg_equiv_memory_loc_varray.
10673 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10674 Eric Botcazou <ebotcazou@libertysurf.fr>
10676 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10677 register save area.
10679 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10681 PR middle-end/27134
10682 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10683 to expand fallback builtin function call.
10685 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10687 PR middle-end/27095
10688 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10689 and emit libcall here in case the builtin fails.
10690 (expand_builtin_strcmp): Always emit the libcall here on failure.
10692 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10694 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10695 * flow.c (reg_n_info): Change the type to
10696 VEC(reg_info_p,heap) *.
10697 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10699 * regs.h (reg_info_p): New.
10700 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10701 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10702 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10705 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10707 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10709 * params.h (MAX_SCHED_READY_INSNS): New macro.
10710 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10711 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10712 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10713 the ready list for 1 cycle during the first scheduling pass.
10714 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10716 2006-04-13 Richard Henderson <rth@redhat.com>
10719 * gimple-low.c (lower_omp_directive): Remove dead code.
10720 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10721 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10722 * omp-low.c (struct omp_region): Move to tree-flow.h.
10723 (root_omp_region): Export.
10724 (omp_regions, lookup_omp_region): Remove.
10725 (determine_parallel_type): Update for struct omp_region changes.
10726 (dump_omp_region): Dump regions with block numbers.
10727 (new_omp_region): Take type and block instead of stmt; malloc
10729 (free_omp_region_1, free_omp_regions): New.
10730 (expand_parallel_call): Take entry_stmt as argument; update for
10731 changes to omp_region.
10732 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10733 (remove_exit_barriers): New.
10734 (expand_omp_parallel): Update for struct omp_region changes.
10735 (expand_omp_synch): Likewise.
10736 (expand_omp): Likewise.
10737 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10738 (expand_omp_for_static_chunk): Likewise.
10739 (expand_omp_for): Likewise.
10740 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10741 (expand_omp_sections): Similarly, with GOMP_sections_end.
10742 (expand_omp_single): New.
10743 (build_omp_regions_1): Update for OMP_CONTINUE.
10744 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10745 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10746 OMP_SECTIONS_SECTIONS.
10747 (lower_omp_single_simple): Don't emit barrier here.
10748 (lower_omp_single_copy): Likewise.
10749 (lower_omp_single): Fix bindings, and lower to straightline now.
10750 (lower_omp_master, lower_omp_ordered): Likewise.
10751 (lower_omp_critical): Likewise.
10752 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10753 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10754 omp edges, free it afterward.
10755 (make_omp_sections_edges): Remove.
10756 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10757 (move_stmt_r): Handle OMP_CONTINUE.
10758 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10759 statement pointers to basic blocks. Add type member.
10760 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10761 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10762 * tree-inline.c (estimate_num_insns_1): Likewise.
10763 * tree-pretty-print.c (dump_generic_node): Likewise.
10764 * tree-ssa-operands.c (get_expr_operands): Likewise.
10765 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10766 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10767 (OMP_CONTINUE): New.
10768 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10769 (OMP_SECTIONS_SECTIONS): Remove.
10770 (OMP_SECTION_LAST): New.
10771 (OMP_RETURN_NOWAIT): New.
10773 2006-04-13 Roger Sayle <roger@eyesopen.com>
10775 * fold-const.c (native_encode_vector, native_interpret_real):
10776 Correct obvious mistakes in the previous check-in.
10778 2006-04-13 Roger Sayle <roger@eyesopen.com>
10780 * fold-const.c (native_encode_expr): New function to encode
10781 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10782 or VECTOR_CST into a specified buffer.
10783 (native_encode_int): New function.
10784 (native_encode_real): New function.
10785 (native_encode_complex): New function.
10786 (native_encode_vector): New function.
10787 (native_interpret_expr): Inverse of native_encode_expr to convert
10788 a target representation into an INTEGER_CST, REAL_CST etc...
10789 (native_interpret_int): New function.
10790 (native_interpret_real): New function.
10791 (native_interpret_complex): New function.
10792 (native_interpret_vector): New function.
10793 (fold_view_convert_expr): New function to constant fold/evaluate
10794 a VIEW_CONVERT_EXPR of a suitable constant expression.
10795 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10796 Change call of build1 to fold_build1 when constructing a
10799 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10800 Ulrich Weigand <uweigand@de.ibm.com>
10803 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10806 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10809 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10810 optimize to lo_sum for DFmode if !TARGET_FPRS.
10812 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10814 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10815 delete_alias_info, compute_flow_sensitive_aliasing,
10816 group_aliases): Use VEC instead of VARRAY.
10817 * tree-ssa-structalias.c (update_alias_info): Likewise.
10818 * tree-ssa-structalias.h (alias_info): Change the type of
10819 processed_ptrs to VEC(tree,heap) *.
10821 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10824 * config/sh/lib1funcs.h: New file, broken out of:
10825 * config/sh/lib1funcs.asm.
10826 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10828 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10829 * config/sh/lib1funcs-Os-4-200.asm: New file.
10830 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10831 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10832 (EXTRA_MULTILIB_PARTS): Include it.
10833 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10834 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10835 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10836 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10839 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10841 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10842 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10843 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10845 * tree-ssa-live.h: Include vecprim.h.
10846 (tree_partition_associator_d): Change the type of
10847 first_partition to VEC(int,heap) *.
10848 (tpa_first_partition): Use VEC instead of VARRAY.
10850 * Makefile.in (GTFILES): Move functions.h after tree.h.
10851 * function.c (reset_block_changes, record_block_change,
10852 check_block_change, free_block_changes): Use VEC instead of
10854 * function.h (function): Change the type of
10855 ib_boundaries_block to VEC(tree,gc) *.
10856 * tree-inline.c (copy_cfg_body): Initialize
10857 ib_boundaries_block to NULL instead of (varray_type) 0.
10859 2006-04-12 Roger Sayle <roger@eyesopen.com>
10861 * expr.c (emit_group_store): Correct operand order in call to
10862 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10863 a SUBREG_BYTE of zero.
10865 2006-04-12 Richard Guenther <rguenther@suse.de>
10867 * profile.c (compute_branch_probabilities): Remove code
10868 encapsulated in !ir_type (), which are remanents of the
10869 removed RTL profiling code.
10870 * rtl-profile.c: Remove.
10872 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10874 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10875 magic NULL_RTX comment.
10876 (function_arg): Store entire fp arg to mem if any part should go
10878 (rs6000_arg_partial_bytes): Adjust for above change.
10880 2006-04-11 Roger Sayle <roger@eyesopen.com>
10882 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10883 if it hasn't been initialized by dwarf2out_init.
10885 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10887 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10888 symbolic constants in branch patterns.
10890 2006-04-11 Roger Sayle <roger@eyesopen.com>
10892 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10894 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10896 PR rtl-optimization/27073
10897 * gcse.c (try_replace_reg): Revert last change. Continue to search
10898 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10901 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10903 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10904 aggregate types other than record and union types.
10905 (function_arg): Likewise.
10906 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10908 (function_value): In 64-bit mode, return objects that require it
10911 2006-04-11 Roger Sayle <roger@eyesopen.com>
10913 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10915 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10917 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10919 2006-04-03 Jeff Law <law@redhat.com>
10922 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
10923 alias information too.
10925 2006-04-10 Mike Frysinger <vapier@gentoo.org>
10927 * Makefile.in (gcc-cross): Add $(exeext) to target name.
10929 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
10932 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
10933 (premark_used_types_helper): New.
10934 (premark_used_types): New.
10935 (gen_subprogram_die): Call premark_used_types.
10936 (prune_unused_types_walk): Do not prune perennial dies.
10937 * function.c (used_types_insert): New.
10938 * function.h (struct function): Add used_types_hash field.
10939 (used_types_insert): Add prototype.
10940 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
10941 * c-parser.c (c_parser_cast_expression): Save casted types in used
10944 2006-04-11 Mark Mitchell <mark@codesourcery.com>
10947 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
10948 rs6000_explicit_options.float_gprs.
10950 2006-04-10 Roger Sayle <roger@eyesopen.com>
10952 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
10953 from ix86_expand_vector_init_low_nonzero. Take an additional
10954 one_var argument indicating which element is non-zero. Support
10955 one_var != 0 for V4SFmode and V4SImode by permuting the result.
10956 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
10957 with one_var instead of ix86_expand_vector_init_low_nonzero.
10959 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
10961 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
10962 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
10963 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
10964 build/genextract.o): Depend on vecprim.h.
10965 * cfglayout.c, df-problems.c, function.c, genextract.c,
10966 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
10967 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
10971 2006-04-10 Geoffrey Keating <geoffk@apple.com>
10973 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
10974 Declare VECs of this type.
10975 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
10976 (remove_children): Delete.
10977 (add_dwarf_attr): Use VEC routines.
10978 (add_AT_flag): Update for changes to add_dwarf_attr.
10979 (add_AT_int): Likewise.
10980 (add_AT_unsigned): Likewise.
10981 (add_AT_long_long): Likewise.
10982 (add_AT_vec): Likewise.
10983 (add_AT_string): Likewise.
10984 (add_AT_die_ref): Likewise.
10985 (add_AT_fde_ref): Likewise.
10986 (add_AT_loc): Likewise.
10987 (add_AT_loc_list): Likewise.
10988 (add_AT_addr): Likewise.
10989 (add_AT_lbl_id): Likewise.
10990 (add_AT_lineptr): Likewise.
10991 (add_AT_macptr): Likewise.
10992 (add_AT_offset): Likewise.
10993 (add_AT_range_list): Likewise.
10994 (get_AT): Use VEC_iterate.
10995 (remove_AT): Use VEC_ordered_remove.
10996 (free_die): Fold remove_children into here; have it use VEC_iterate.
10997 (print_die): Use VEC_iterate on attrs.
10998 (reverse_die_lists): Don't reverse attr lists.
10999 (die_checksum): Use VEC_iterate on attrs.
11000 (same_die_p): Likewise.
11001 (output_location_lists): Likewise.
11002 (build_abbrev_table): Likewise.
11003 (size_of_die): Likewise.
11004 (unmark_all_dies): Likewise.
11005 (output_abbrev_section): Likewise.
11006 (output_die): Likewise.
11007 (prune_unused_types_walk_attribs): Likewise.
11009 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11011 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11013 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11016 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11018 2006-04-09 Roger Sayle <roger@eyesopen.com>
11020 * expr.c (store_constructor): Don't bother clearing target if
11021 we're about to assign a vector to it using vec_init_optab.
11023 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11025 * tree-ssa-alias.c (lhs_may_store_to): New function.
11026 (recalculate_used_alone): Handle LHS of calls.
11028 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11032 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11033 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11034 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11035 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11036 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11037 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11038 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11039 stubs. Add ".align 8" directives before all ".dword" directives.
11040 (GTHREAD_USE_WEAK): Revise comment.
11041 (TARGET_ATTRIBUTE_WEAK): Define.
11042 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11043 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11044 * stublib.c: New file.
11049 * pa.md (cbranch patterns): Revise arguments used in calls to
11050 output_cbranch, output_bb and output_bvd. Add long branch length
11052 (fbranch patterns): Handle long branches.
11053 (jump): Revise length check. Revise arguments for output_lbranch call.
11054 Add long branch length attributes.
11055 (decrement_and_branch_until_zero): Add long branch length attributes.
11056 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11057 Likewise. Revise arguments for output_parallel_addb and
11058 output_parallel_movb calls.
11059 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11060 output_parallel_movb and output_parallel_addb): Update prototypes.
11061 * pa.c (output_cbranch): Revise arguments. Correct handling of
11062 nullification in long branches.
11063 (output_lbranch): Add new argument to control extraction of delay
11065 (output_bb): Handle long branches.
11066 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11067 output_parallel_addb): Likewise.
11069 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11071 PR rtl-optimization/27073
11072 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11075 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11077 * tree.h (tree_memory_tag): Add old_used_alone.
11078 (SMT_OLD_USED_ALONE): New macro.
11079 * tree-ssa-alias.c (recalculate_used_alone): Stop
11080 marking things for renaming unnecessarily.
11082 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11084 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11085 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11086 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11087 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11088 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11089 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11090 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11091 spelling convensions.
11092 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11093 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11094 typos. Follow spelling conventions.
11096 2006-04-07 DJ Delorie <dj@redhat.com>
11098 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11099 passed on the stack.
11100 (m32c_init_cumulative_args): When a function returns a structure,
11101 always pass the pointer to that return area on the stack.
11102 (m32c_function_arg_advance): Don't increment the parameter number
11103 if we're processing the returned structure pointer.
11104 (pushm_info): Reverse order of registers.
11106 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11108 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11109 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11110 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11111 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11112 build_int_cst_type.
11113 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11114 chrec_fold_multiply): Same.
11115 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11116 force_expr_to_var_cost): Same.
11117 * tree-mudflap.c (mf_xform_derefs_1): Same.
11118 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11120 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11122 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11123 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11126 2006-04-07 Jan Hubicka <jh@suse.cz>
11128 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11130 2006-04-07 Richard Guenther <rguenther@suse.de>
11132 PR tree-optimization/26135
11133 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11134 loads for store copy-prop.
11135 (copy_prop_visit_stmt): Likewise.
11137 2006-04-05 Robert Millan <robertmh@gnu.org>
11139 * config/i386/linux.h: Add a comment to mark macros that are
11140 being overriden in config/k*bsd-gnu.h.
11141 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11143 * config/knetbsd-gnu.h: Ditto.
11145 2006-04-06 Jan Hubicka <jh@suse.cz>
11149 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11152 2006-04-06 Mike Stump <mrs@apple.com>
11154 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11155 for HAVE_nonlocal_goto to be consistent.
11156 (expand_builtin_nonlocal_goto): Likewise.
11157 (expand_builtin_strcmp): Use #ifdef instead of #if
11158 for HAVE_cmpstrnsi to be consistent.
11160 2006-04-05 DJ Delorie <dj@redhat.com>
11162 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11165 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11167 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11168 got-relative addressing for anything but SImode.
11170 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11171 even if the calling function doesn't modify them.
11173 2006-04-05 Richard Guenther <rguenther@suse.de>
11175 PR tree-optimization/26919
11176 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11177 to cgraph_estimate_size_after_inlining.
11179 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11181 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11183 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11185 PR tree-optimization/26996
11186 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11187 VECTOR_TYPE variables.
11189 2006-04-05 Richard Guenther <rguenther@suse.de>
11191 PR tree-optimization/26763
11192 * fold-const.c (fold_comparison): Move folding of
11193 PTR + CST CMP PTR + CST ...
11194 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11196 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11198 * doc/install.texi (Prerequisites): Refine some wording on
11199 bootstrapping and ksh.
11200 Move the version numbers of DejaGnu here from the testing section
11201 and fix casing of names.
11202 Fix markup and clarify wording for autogen requirements.
11203 Refer to GCJ instead of just java.
11204 Refer to SVN instead of CVS.
11205 Describe diffutils as useful instead of necessary.
11206 (Downloading the source): Refer to SVN instead of CVS.
11207 Adjust a link to our web site accordingly.
11208 (Configuration): Fix casing of Bison.
11209 (Building): Refer to SVN instead of CVS.
11210 Fix a sentence on the use of Bison and remove duplicate (and
11211 incorrect) version number of Bison requirement.
11212 Remove one redundant list of packages needed for building.
11213 (Specific): Avoid reference to CVS.
11215 2006-04-04 Eric Christopher <echristo@apple.com>
11217 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11218 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11219 (rs6000_handle_struct_attribute): New.
11220 (rs6000_ms_bitfield_layout_p): Ditto.
11222 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11224 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11225 NULL for dso parameter to atexit_common.
11227 2006-04-04 Eric Christopher <echristo@apple.com>
11229 * config/i386/i386.c (machopic_output_stub): Output \t
11230 between instructions and operands.
11232 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11234 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11235 satisfies_constraint_[IL] to explicit tests on value.
11237 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11239 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11240 set_nb_iterations_in_loop): Use build_int_cst instead of
11241 build_int_cst_type.
11242 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11243 build_int_cst instead of convert.
11245 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11247 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11248 new value 2 for incoming.
11249 * function.c (expand_function_start): Call struct_value_rtx
11250 with incoming as 2.
11251 * config/sparc/sparc.md: Comment updated_return.
11252 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11253 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11254 struct return if sparc_std_struct_return and incoming is 2.
11255 (print_operand): Do not adjust return if
11256 sparc_std_struct_return.
11258 2006-04-04 Roger Sayle <roger@eyesopen.com>
11260 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11261 convert in the middle-end.
11262 * expr.c (store_expr, store_constructor, get_inner_reference,
11263 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11265 * tree.c (build_range_type): Likewise.
11267 2006-04-04 Tom Tromey <tromey@redhat.com>
11269 * doc/install.texi (Prerequisites): Mention jar.
11271 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11273 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11276 2006-04-04 Matthias Klose <doko@debian.org>
11278 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11282 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11285 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11287 * doc/extend.texi (Function Attributes): Rewrite visibility
11288 attribute documentation.
11289 * doc/invoke.texi (C++ Dialect Options): Rewrite
11290 -fvisibility-inlines-hidden documentation to describe something
11291 entirely different, although in practise compatible.
11292 (Code Gen Options): Warn about system headers in -fvisibility=
11295 * doc/extend.texi (Other Builtins): Document that
11296 __builtin_nan is a compile-time constant only when its argument
11299 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11301 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11302 trying to remove TRUNCATE check if all bits outside the new mode
11303 are identical to the sign bit.
11305 2006-04-03 Jeff Law <law@redhat.com>
11307 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11308 and operand scanning in some common cases.
11310 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11311 Dale Johannesen <dalej@apple.com>
11314 * regclass.c (struct reg_pref): Update documentation.
11315 (regclass): Set prefclass to NO_REGS if memory is the best option.
11316 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11317 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11318 into account. For non-registers, equate an empty preferred
11319 reload class to a `!' in the constraint; move the if clause to
11320 do so after those that reject the insn.
11321 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11323 (find_dummy_reload): Likewise.
11324 * doc/tm.texi (Register Classes): Document what it means
11325 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11326 * config/i386/i386.c (ix86_preferred_reload_class): Force
11327 using SSE registers (and return NO_REGS for floating-point
11328 constants) if math is done with SSE.
11329 (ix86_preferred_output_reload_class): New.
11330 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11331 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11332 * config/i386/i386.md: Remove # register preferences.
11334 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11337 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11338 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11339 the type of nb_iter.
11340 (instantiate_parameters_1): Convert the operands before calling
11341 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11342 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11344 2006-04-02 Roger Sayle <roger@eyesopen.com>
11346 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11347 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11348 instead of convert.
11349 * dojump.c (do_jump): Likewise.
11350 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11351 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11352 gimplify_boolean_expr): Likewise.
11353 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11354 * varasm.c (array_size_for_constructor): Likewise.
11355 * tree-object-size.c (compute_object_offset): Likewise.
11357 2006-04-02 Roger Sayle <roger@eyesopen.com>
11359 PR middle-end/26977
11360 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11361 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11363 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11365 PR tree-optimization/26939
11366 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11368 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11370 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11371 at_stmt. Convert the type of operands before calling
11372 build_polynomial_chrec.
11373 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11374 add_to_evolution_1.
11375 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11376 (instantiate_parameters_1): Convert the type of operands before calling
11377 build_polynomial_chrec.
11378 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11379 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11380 reset_evolution_in_loop): Insert asserts to check the types of the
11382 (chrec_type): Moved...
11383 (eq_evolutions_p): Use operand_equal_p.
11384 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11385 the types of the operands.
11386 (chrec_type): ...here.
11387 * tree-data-ref.c (create_data_ref): Convert the operands before
11388 calling chrec_replace_initial_condition.
11389 (same_access_functions, analyze_subscript_affine_affine,
11390 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11391 (compute_subscript_distance, analyze_ziv_subscript,
11392 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11393 analyze_miv_subscript): Convert the operands before calling
11394 chrec_fold_minus or chrec_fold_plus.
11396 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11398 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11399 the dependence_relations vector.
11400 (compute_data_dependences_for_loop): Adjust call to
11401 compute_all_dependences.
11403 2006-04-01 Roger Sayle <roger@eyesopen.com>
11404 Richard Henderson <rth@redhat.com>
11406 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11407 gimple_boolify on the condition before calling gimplify_expr.
11409 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11411 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11412 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11413 the frame size. Update to use the new macros.
11414 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11415 * config/xtensa/ieee754-df.S: Likewise.
11417 2006-03-31 Richard Henderson <rth@redhat.com>
11419 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11420 (make_edges): ... here. Control fallthru creation with a local
11421 variable. Do not play with fake edges.
11422 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11423 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11426 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11428 * dwarf2.h (DW64_CIE_ID): Define.
11429 * dwarf2out.c (DWARF_CIE_ID): Define.
11430 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11431 length header. Use DWARF_CIE_ID.
11432 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11433 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11435 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11437 * config/sh/linux-atomic.asm: New file.
11438 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11440 2006-03-31 DJ Delorie <dj@redhat.com>
11442 * config/m32c/cond.md: Set condition flags properly throughout.
11443 * config/m32c/minmax.md: Likewise.
11444 * config/m32c/prologue.md: Likewise.
11445 * config/m32c/bitops.md: Likewise.
11446 * config/m32c/muldiv.md: Likewise.
11447 * config/m32c/mov.md: Likewise.
11448 * config/m32c/addsub.md: Likewise.
11449 * config/m32c/m32c.md: Likewise.
11450 * config/m32c/jump.md: Likewise.
11451 * config/m32c/shift.md: Likewise.
11453 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11454 conditionally output the pattern for this.
11455 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11456 (m32c_compare_redundant): New.
11457 (m32c_output_compare): New.
11458 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11460 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11461 dest, not src. Allow other 4-byte modes.
11463 2006-03-30 Denis Chertykov <denisc@overta.ru>
11465 * doc/md.texi: Refer to avr/constraints.md instead of
11468 2006-03-30 Roger Sayle <roger@eyesopen.com>
11470 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11471 signed vs. unsigned comparison failures on some hosts.
11473 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11476 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11477 change to FLOAT_REGS.
11479 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11480 (rs6000_override_options): Use it.
11481 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11482 only for -mabi=spe/no-spe and -mabi=altivec.
11484 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11486 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11489 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11491 * Makefile.in: Rename docdir to gcc_docdir.
11493 2006-03-30 Roger Sayle <roger@eyesopen.com>
11496 * expr.c (emit_group_store): Optimize group stores into a pseudo
11497 register by using a paradoxical subreg to initialize the destination
11498 if the first or last member of the group specifies a "low part".
11500 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11503 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11504 * target.h (struct gcc_target.speculate_insn): Change type of the
11505 second parameter to 'int'.
11506 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11507 the second operand of the DEPS_LIST.
11508 (copy_DEPS_LIST_list): Update reference to the second operand of the
11510 * rtl.h (alloc_DEPS_LIST): Update signature.
11511 * sched-int.h (ds_t): Change typedef to 'int'.
11512 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11514 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11516 * haifa-sched.c (try_ready): Change condition to restore
11517 non-speculative pattern of the instruction.
11518 (process_insn_depend_be_in_spec): Code to keep probability of the
11519 speculative dependence non-decreasing.
11521 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11523 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11524 (single_move_for_movmem): ... this. Also change all uses.
11525 (bfin_expand_strmov): Renamed to...
11526 (bfin_expand_movmem): ... this. Also change all uses.
11527 * config/bfin/bfin.md (movstrsi): Renamed to...
11528 (movstrsi): ...this.
11530 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11532 PR tree-optimization/26830
11534 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11535 (copy_prop_visit_stmt): Remove write-only variable ann.
11536 (init_copy_prop): Check variable loop depth here. Do not simulate
11537 memory-tag and virtual operand PHIs except for store copy prop.
11539 2006-03-30 Richard Guenther <rguenther@suse.de>
11541 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11542 variants with double arguments.
11544 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11546 * genpreds.c (write_tm_constrs_h): Delete variable p.
11547 * genconditions.c (write_header): Add tm-constrs.h to included
11549 * genpeep.c (main): Add toplev.h to included headers.
11550 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11551 (build/genpeep.o): Add toplev.h dependency.
11552 * config/rs6000/constraints.md: Add "W" constraint.
11554 2006-03-29 Roger Sayle <roger@eyesopen.com>
11556 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11557 sizes by correctly testing whether the size fits a host integer.
11558 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11559 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11560 SImode range for the default sizetype and bitsizetype.
11562 2006-03-29 Roger Sayle <roger@eyesopen.com>
11564 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11565 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11566 quickly if the argument is already of the correct type.
11567 Call fold_build1 instead of build1. Tidy up blank lines.
11569 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11571 * genemit.c (main): Add tm-constrs.h to included headers.
11572 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11573 * genpeep.c (main): Add tm-constrs.h to included headers.
11574 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11575 (write_tm_constrs_h): this and write complete file.
11576 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11577 (write_insn_preds_c): Add tm-constrs.h to included headers.
11578 (gen_constrs): New variable.
11579 (parse_option): Parse "-c".
11580 (main): Invoke write_tm_constrs_h.
11581 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11582 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11583 (object_out_file): Add tm-constrs.h dependency.
11584 (insn-emit.o): Same.
11585 (insn-output.o): Same.
11586 (insn-peep.o): Same.
11587 (insn-preds.o): Same.
11588 (insn-recog.o): Same.
11589 (tm-constsr.h): New target.
11590 (s-constrs-h): New target.
11592 * config/rs6000/constraints.md: New file.
11593 * config/rs6000/rs6000.c: Include tm-constrs.h.
11594 (num_insn_constant_wide): Convert to satisfies_constraint.
11595 (rs6000_rtx_costs): Convert to satisfies_constraint.
11596 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11597 (CONST_OK_FOR_LETTER_P): Delete.
11598 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11599 (EXTRA_CONSTRAINT): Delete.
11600 (EXTRA_MEMORY_CONSTRAINT): Delete.
11601 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11602 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11603 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11604 satisfies_constraint.
11606 * config/i386/i386.c: Include tm-constrs.h.
11608 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11610 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11611 * tree-data-ref.c (find_data_references_in_loop,
11612 compute_data_dependences_for_loop): Use pointers to VEC.
11613 (analyze_all_data_dependences): Adjust calls.
11614 * tree-data-ref.h (find_data_references_in_loop,
11615 compute_data_dependences_for_loop): Adjust declarations.
11616 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11617 compute_data_dependences_for_loop.
11619 2006-03-29 Paul Brook <paul@codesourcery.com>
11621 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11622 (movdf_vfp): Ditto.
11624 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11626 PR tree-optimization/26859
11627 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11629 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11630 for the step after fold_convert.
11632 2006-03-29 Paul Brook <paul@codesourcery.com>
11634 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11635 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11637 2006-03-29 Paul Brook <paul@codesourcery.com>
11639 PR middle-end/23623
11640 * targhooks.c (default_narrow_bitfield): New fuction.
11641 * targhooks.h (default_narrow_bitfield): add prototype.
11642 * target.h (gcc_target): Add narrow_volatile_bitfield.
11643 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11644 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11645 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11646 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11648 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11650 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11652 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11653 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11654 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11655 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11656 (s390_function_arg_float): Allow SDmode and DDmode values to be
11657 passed in floating point registers.
11658 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11659 check with SCALAR_FLOAT_MODE_P.
11660 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11662 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11664 PR tree-optimization/25985
11665 * tree-ssa-loop-niter.c (number_of_iterations_le,
11666 number_of_iterations_ne): Make comments more precise.
11667 (number_of_iterations_cond): Add only_exit argument. Use the
11668 fact that signed variables do not overflow only when only_exit
11670 (loop_only_exit_p): New.
11671 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11672 number_of_iterations_cond.
11674 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11676 PR tree-optimization/26643
11677 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11680 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11682 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11683 (divsi3_i4_int): Likewise.
11685 2006-03-28 Roger Sayle <roger@eyesopen.com>
11687 * expr.c (emit_group_store): Only create a new pseudo reg if the
11688 quantity it needs to hold isn't already a suitable pseudo.
11690 2006-03-28 Jeff Law <law@redhat.com>
11692 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11693 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11695 2006-03-28 Roger Sayle <roger@eyesopen.com>
11697 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11698 the equivalent ~X & Y, and the symmetry related transformations.
11699 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11700 ~X & Y, and symmetry related transforms.
11702 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11704 Revert my 2006-03-27 patches.
11706 2006-03-28 Roger Sayle <roger@eyesopen.com>
11708 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11709 ~(T1)X, when T1 and T2 are integer types of the same precision
11710 and (T2)X isn't an extension.
11712 2006-03-28 Jeff Law <law@redhat.com>
11714 PR tree-optimization/26796
11715 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11716 need EH edge cleanups rather than purging them immediately.
11717 (eliminate_degenerate_phis): Handle queued EH cleanups.
11719 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11721 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11724 2006-03-27 Roger Sayle <roger@eyesopen.com>
11726 PR middle-end/22524
11727 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11728 cast BIT_NOT_EXPR operand to the correct type.
11730 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11732 * tree-loop-linear.c: Don't include varray.h.
11733 (gather_interchange_stats, try_interchange_loops,
11734 linear_transform_loops): Use VEC instead of VARRAY.
11735 * lambda-mat.c: Don't include varray.h.
11736 * tree-chrec.c: Same.
11737 * lambda-trans.c: Same.
11738 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11739 VEC instead of VARRAY.
11740 * tree-vectorizer.h: Idem.
11741 * tree-data-ref.c (dump_data_references,
11742 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11743 initialize_data_dependence_relation, finalize_ddr_dependent,
11744 compute_all_dependences, find_data_references_in_loop,
11745 compute_data_dependences_for_loop, analyze_all_data_dependences,
11746 free_dependence_relation, free_dependence_relations,
11747 free_data_refs): Idem.
11748 * tree-data-ref.h (data_reference_p, subscript_p): New.
11749 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11750 VEC instead of VARRAY.
11751 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11752 (find_data_references_in_loop, compute_data_dependences_for_loop,
11753 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11754 dump_data_dependence_relations, free_dependence_relations,
11755 free_data_refs): Adjust declaration.
11756 (lambda_transform_legal_p): Move declaration here...
11757 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11758 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11759 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11760 vect_analyze_data_refs): Use VEC instead of VARRAY.
11761 * lambda.h (lambda_transform_legal_p): ...from here.
11762 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11763 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11764 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11765 tree-chrec.o): Don't depend on VARRAY_H.
11767 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11769 * rtl.def (Copyright): Update date.
11770 (DEPS_LIST): Change type of the second operand to 'int'.
11771 * target.h (Copyright): Update date.
11772 (struct gcc_target.speculate_insn): Change type of the second parameter
11774 * lists.c (Copyright): Update date.
11775 (alloc_DEPS_LIST): Change signature. Update reference to the second
11776 operand of the DEPS_LIST.
11777 (copy_DEPS_LIST_list): Update reference to the second operand of the
11779 * rtl.h (Copyright): Update date.
11780 (alloc_DEPS_LIST): Update signature.
11781 * sched-int.h (Copyright): Update date.
11782 (ds_t): Change typedef to 'int'.
11783 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11785 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11787 * haifa-sched.c (Copyright): Update date.
11788 (try_ready): Change condition to restore non-speculative pattern
11789 of the instruction.
11790 (process_insn_depend_be_in_spec): Code to keep probability of the
11791 speculative dependence non-decreasing.
11793 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11795 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11796 shut up the compiler.
11798 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11800 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11801 to use lib prefix for target.
11802 ($(T)libic_invalidate_array_4-200.a): Likewise.
11803 ($(T)libic_invalidate_array_4a.a): Likewise.
11805 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11806 J"orn Rennecke <joern.rennecke@st.com>
11808 * superh.opt: New file.
11809 * sh.c (boardtype, osruntime): Remove.
11810 * superh.h (SUBTARGET_OPTIONS): Remove.
11811 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11813 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11814 arguments with ^ and/or [].
11816 * config.gcc (sh-*-*): Add quoting to account for quirk of
11818 Replace == with = in enable_incomplete_targets test.
11820 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11821 with MASK_LITTLE_ENDIAN.
11823 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11824 * config/sh/sh.opt: Added to some comments.
11825 * config/sh/superh.h: Removed some chaff.
11827 * config/sh/sh.opt: Add m4-[1234]00* options.
11828 * config/sh/sh.c (sh_handle_option): Likewise.
11829 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11830 (ic_invalidate_array_4-100.o): New rule.
11831 ($(T)libic_invalidate_array_4-100.a): Likewise.
11832 (ic_invalidate_array_4-200.o): Likewise.
11833 ($(T)libic_invalidate_array_4-200.a): Likewise.
11834 (ic_invalidate_array_4a.o): Likewise.
11835 ($(T)libic_invalidate_array_4a.a): Likewise.
11836 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11837 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11839 * config/sh/crt1.asm: Merged in profiling code.
11840 * config/sh/superh.h (STARTFILE_SPEC): Override.
11841 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11842 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11843 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11845 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11846 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11847 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11849 * sh.opt (mpretend-cmove): New option.
11850 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11851 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11852 (movsicc): Add TARGET_PRETEND_CMOVE code.
11854 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11856 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11857 s390_class_max_nregs): New function prototypes.
11858 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11859 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11860 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11861 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11863 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11865 * dwarf2out.c (add_location_or_const_value_attribute): Call
11866 tree_add_const_value_attribute if nothing else works.
11867 (reference_to_unused): New.
11868 (rtl_for_decl_init): Use reference_to_unused to decide whether
11869 to output an initializer.
11871 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11874 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11875 peephole removing spe frob_di_df_2.
11877 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11879 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11880 (subscript_dependence_tester_1): Declared.
11881 (print_dir_vectors, print_dist_vectors): New.
11882 (debug_data_dependence_relation): New.
11883 (dump_data_dependence_relation): Print more details.
11884 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11885 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11886 (save_dist_v, save_dir_v, add_outer_distances,
11887 build_classic_dist_vector_1): New.
11888 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11889 Don't test for lambda_vector_lexico_pos.
11890 (same_access_functions, add_multivariate_self_dist,
11891 add_other_self_distances, dir_from_dist): New.
11892 (build_classic_dir_vector): Replace implementation almost identical to
11893 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11895 (subscript_dependence_tester_1): New.
11896 (subscript_dependence_tester): Handle the lexicographically negative
11897 distance vectors by recomputing the dependence relation.
11898 (compute_affine_dependence): Remove parameter loop_nest_depth.
11899 (compute_self_dependence): Don't call compute_subscript_distance.
11900 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11901 Add a parameter for the loop_nest.
11902 (find_loop_nest_1, find_loop_nest): New.
11903 (compute_data_dependences_for_loop): Compute the loop nest, and give
11904 up if the nest is not well formed.
11905 * tree-data-ref.h (loop_p): New.
11906 (struct data_dependence_relation): Replace size_vect field with
11907 loop_nest, a vec of loops.
11908 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11909 (DDR_LOOP_NEST): New.
11910 (print_dir_vectors, print_dist_vectors,
11911 debug_data_dependence_relation): Declared.
11912 (index_in_loop_nest): New.
11913 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11914 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11917 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11919 * simplify-rtx.c (simplify_relational_operation): Call
11920 simplify_relational_operation_1 even if mode is VOIDmode.
11922 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
11924 PR tree-optimization/26804
11925 * tree.h (DECL_CALL_CLOBBERED): New macro.
11926 (tree_decl_common): Add call_clobbered_flag.
11927 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
11928 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
11929 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
11930 (mark_non_addressable): Ditto.
11931 * tree-ssa.c (verify_call_clobbered): New function.
11932 (verify_alias_info): Use it.
11933 * tree-pass.h (pass_reset_cc_flags): New prototype.
11934 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
11935 (reset_cc_flags): New function.
11936 * passes.c (init_optimization_passes): Call reset_cc_flags after
11937 initializing referenced_vars.
11939 2006-03-25 Uros Bizjak <uros@kss-loka.si>
11940 Roger Sayle <roger@eyesopen.com>
11942 PR middle-end/26717
11943 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
11944 to 1.0 for non-real operands. Implement A / A optimization for
11947 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
11949 * config/i386/i386.c (size_cost): Correct the comment for
11950 cost of storing fp registers.
11951 (i386_cost): Likewise.
11952 (i486_cost): Likewise.
11953 (pentium_cost): Likewise.
11954 (pentiumpro_cost): Likewise.
11955 (k6_cost): Likewise.
11956 (athlon_cost): Likewise.
11957 (k8_cost): Likewise.
11958 (pentium4_cost): Likewise.
11959 (nocona_cost): Likewise.
11960 (generic64_cost): Likewise.
11961 (generic32_cost): Likewise.
11963 2006-03-24 Denis Chertykov <denisc@overta.ru>
11965 * config/avr/avr-protos.h (extra_constraint): Delete.
11966 (extra_constraint_Q): New declaration.
11967 * config/avr/constraints.md: New file.
11968 * config/avr/avr.md: Include it.
11969 (REG_X, REG_Y, REG_Z, REG_W): New constants.
11970 (TMP_REGNO, ZERO_REGNO): Likewise.
11971 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
11972 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
11973 (extra_constraint): Delete.
11974 (extra_constraint_Q): Test for memory constraint 'Q'.
11975 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
11976 (REG_CLASS_FROM_LETTER): Delete.
11977 (CONST_OK_FOR_LETTER_P): Delete.
11978 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11979 (EXTRA_CONSTRAINT): Delete.
11980 (TMP_REGNO): Delete.
11981 (ZERO_REGNO): Delete.
11983 2006-03-24 Jeff Law <law@redhat.com>
11985 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
11986 directly. Call mark_new_vars_to_rename slightly earlier.
11988 2006-03-24 Geoffrey Keating <geoffk@apple.com>
11990 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
11991 (is_cxx): Likewise.
11992 (gen_compile_unit_die): Use new language types for Objective-C and
11994 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
11995 DW_LANG_C_plus_plus.
11998 * config/t-darwin (crt3.o): Work around bug 26840.
11999 * config/darwin-crt3.c: Rewrite.
12000 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12002 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12004 * doc/invoke.texi: Document -femit-class-debug-always
12005 * common.opt: Add -femit-class-debug-always.
12007 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12009 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12010 index and base register.
12011 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12012 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12013 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12014 REGNO_OK_FOR_INDEX_P.
12015 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12017 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12018 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12019 REG_OK_FOR_BASE_P): Definitions removed.
12021 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12023 PR middle-end/26611
12024 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12025 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12026 set yet or weren't marked as local yet.
12028 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12030 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12033 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12035 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12036 (rs6000_legitimate_small_data_p): Delete.
12037 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12038 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12039 and make static. Add forward declaration. Update uses.
12040 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12041 of offsettable_memref_p.
12042 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12043 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12045 2006-03-24 Jeff Law <law@redhat.com>
12047 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12048 around bug in immediate-use iterator.
12050 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12053 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12054 or __LITTLE_ENDIAN__.
12056 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12058 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12059 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12060 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12061 * config/sh/sh.opt (mdiv=): Amend description.
12062 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12063 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12064 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12065 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12066 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12067 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12068 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12069 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12070 TARGET_DIVIDE_CALL_FP.
12072 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12074 * haifa-sched.c (choose_ready): Fix type of the local variable.
12075 Move local variables. Add comment.
12076 (check_reg_live): Change signature. Make callable from debugger.
12077 * sched-int.h (check_reg_live): Update signature.
12078 * sched-ebb.c (check_reg_live): Update parameters.
12079 * sched-rgn.c (check_reg_live): Ditto.
12080 (region_head_or_leaf_p): Check pointer before dereferencing.
12081 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12082 before reload on optimization levels below 1.
12084 2006-03-23 Richard Henderson <rth@redhat.com>
12086 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12090 * config/alpha/predicates.md (local_symbolic_operand): Reject
12093 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12096 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12097 expressions which have overflowed constants.
12099 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12101 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12103 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12105 * cfgloopmanip.c (create_loop_notes): Removed.
12106 * final.c (final_scan_insn): Do not handle loop notes.
12107 * jump.c (squeeze_notes): Ditto.
12108 * cfglayout.c (skip_insns_after_block,
12109 duplicate_insn_chain): Ditto.
12110 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12112 * cfgloop.h (create_loop_notes): Declaration removed.
12114 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12116 * varasm.c (output_constant_pool): Restore fnname and fndecl
12118 (assemble_start_function): Adjust call accordingly.
12119 (assemble_end_function): Likewise.
12121 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12124 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12127 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12129 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12132 * system.h (ICE_EXIT_CODE): New macro.
12133 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12134 (diagnostic_action_after_output): Likewise.
12135 * gcc.c (fatal_ice): New function.
12136 (execute): Use it instead of fatal.
12137 (fancy_abort): Likewise.
12138 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12140 2006-03-22 Jeff Law <law@redhat.com>
12142 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12143 iv_analyze_result returning false.
12145 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12147 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12149 2006-03-22 Richard Henderson <rth@redhat.com>
12151 PR middle-end/26084
12152 * except.c (duplicate_eh_regions_0): New.
12153 (duplicate_eh_region_1): Duplicate the children of the node as
12154 well as the node itself. Link them up properly.
12155 (duplicate_eh_region_2): Merge into ...
12156 (duplicate_eh_regions): ... here. Take copy_region argument, and
12157 copy only a sub-tree if asked. Simplify copying and fixup.
12158 (eh_region_outer_p): New.
12159 * except.h (duplicate_eh_regions): Update decl.
12160 (eh_region_outer_p): Declare.
12161 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12162 (lower_omp_master): Likewise.
12163 (lower_omp_ordered): Likewise.
12164 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12165 (move_stmt_r): Use it to remap labels. Handle recursion vs
12166 remap_decls_p properly.
12167 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12168 (find_outermost_region_in_block): New.
12169 (new_label_mapper): New.
12170 (move_sese_region_to_fn): Copy eh information to the new function
12172 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12174 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12177 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12179 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12180 into shared libraries.
12182 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12184 * doc/md.texi: Refer to i386/constraints.md instead of
12185 i386/predicates.md.
12186 * config/i386/constraints.md: New file, extracted from...
12187 * config/i386/predicates.md: ...here.
12188 * config/i386/i386.md: Include constraints.md.
12190 2006-03-21 Jason Merrill <jason@redhat.com>
12192 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12194 PR middle-end/20297
12195 * expr.c (init_block_move_fn): Force default visibility.
12196 (init_block_clear_fn): Likewise.
12197 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12198 * targhooks.c (default_external_stack_protect_fail): Likewise.
12200 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12202 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12203 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12204 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12205 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12206 (loadgp): Use mips_current_loadgp_style.
12207 (loadgp_noshared): New pattern.
12208 (sibcall_internal): Use MIPS_CALL.
12209 (sibcall_value_internal): Likewise.
12210 (sibcall_value_multiple_internal): Likewise.
12211 (call_internal): Likewise.
12212 (call_value_internal): Likewise.
12213 (call_value_multiple_internal): Likewise.
12214 (call_split): Use MIPS_CALL and add an 'S' constraint.
12215 (call_value_split): Likewise.
12216 (call_value_multiple_split): Likewise.
12217 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12218 (-mshared): New option.
12219 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12220 (mips_current_loadgp_style): Declare.
12221 * config/mips/mips.c (mips_classify_symbol): Avoid using
12222 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12223 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12224 TARGET_ABSOLUTE_ABICALLS.
12225 (override_options): Adjust comments. Improve the warning that is
12226 issued when -mabicalls and -G are used together.
12227 (mips_file_start): Remove comment.
12228 (mips_current_loadgp_style): New function.
12229 (mips_gnu_local_gp): New variable.
12230 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12232 (mips_output_function_prologue): Use mips_current_laodgp_style.
12233 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12234 the cprestore instruction.
12235 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12236 live for TARGET_ABSOLUTE_ABICALLS.
12237 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12238 (ASM_SPEC): Pass down -mshared and -mno-shared.
12239 (MIPS_CALL): New macro.
12240 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12242 * doc/invoke.texi (-mabicalls): Update documentation.
12243 (-mshared): Document.
12245 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12247 * config/ia64/unwind-hpux.c: New file.
12248 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12250 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12253 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12255 2006-03-21 Jeff Law <law@redhat.com>
12257 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12258 type conversions of a VR_VARYING source to a wider type.
12260 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12262 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12263 tm_file on Solaris 10 and later.
12264 (sparc64-*-solaris2*): Likewise.
12265 (sparc-*-solaris2*): Likewise.
12266 * config/sol26.h: Rename to config/sol2-6.h.
12267 * config/sol2-10.h: New file.
12269 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12272 * tree-ssa-pre.c (create_component_ref_by_pieces):
12275 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12278 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12279 return it immediately.
12281 2006-03-21 Michael Matz <matz@suse.de>
12283 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12285 (remove_arc, add_arc): Update num_out_arcs member.
12286 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12288 (cache_presence): New function.
12289 (compare_states_for_equiv): New function.
12290 (state_is_differed): Don't take number of outargs, adjust callers.
12291 Use new invariant for speeding up.
12292 (init_equiv_class): Create initial classes based on sorted
12294 (partition_equiv_class): Don't track out_arcs_num.
12295 (evaluate_equiv_classes): Call cache_presence on all states and
12298 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12300 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12301 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12302 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12303 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12305 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12306 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12307 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12308 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12309 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12311 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12312 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12313 (REGNO_REG_CLASS): ARGP is in PREGS.
12314 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12316 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12317 to deal with those addresses.
12318 * addresses.h: New file.
12319 * caller-save.c: Include "addresses.h".
12320 (init_caller_save): Use new base_reg_class function.
12321 * rtl-factoring.c: Include "addresses.h".
12322 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12323 * recog.c: Include "addresses.h".
12324 (preprocess_constraints): Use new base_reg_class function.
12325 * regrename.c: Include "addresses.h".
12326 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12327 functions. Keep track of a new var INDEX_CODE to compute valid
12329 (replace_oldest_value_addr): Likewise.
12330 (replace_oldest_value_mem): Use base_reg_class.
12331 * reload.c: Include "addresses.h".
12332 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12333 (find_reloads): Use new base_reg_class function.
12334 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12335 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12336 all callers and prototype changed.
12337 * reload1.c: Include "addresses.h".
12338 (maybe_fix_stack_asms): Use base_reg_class.
12339 * regclass.c: Include "addresses.h".
12340 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12341 (init_reg_autoinc): Use new base_reg_class function.
12342 (record_reg_classes): Likewise.
12343 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12344 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12345 Use new args to compute necessary class.
12347 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12348 regrename.o, rtl-factoring.o): Update dependencies.
12349 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12350 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12351 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12352 REG_OK_FOR_INDEX_P): Delete documentation.
12354 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12356 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12357 from V7 to V9 for Solaris 7 and above.
12359 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12361 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12362 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12363 argument pointers may not alias any other storage.
12364 * common.opt: Define option -fargument-noalias-anything.
12365 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12366 alias semantics is specified by flag_argument_noalias > 2.
12368 2006-03-20 Jeff Law <law@redhat.com>
12370 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12371 (pass_phi_only_cprop): Declare.
12372 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12373 with phi_only_cprop
12374 * tree-ssa-dom.c (degenerate_phi_result): New function.
12375 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12376 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12377 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12378 (eliminate_degenerate_phis): Likewise.
12379 (pass_phi_only_cprop): New pass descriptor.
12380 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12381 support code. Callers updated.
12382 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12383 (store_copy_prop): Likewise.
12384 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12386 2006-03-20 Jason Merrill <jason@redhat.com>
12389 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12390 (push_visibility, pop_visibility): Likewise.
12391 * c-pragma.h: Declare them.
12393 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12395 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12397 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12398 parameter and use get_ebb_head_tail.
12399 (sh_md_init_global): Adjust uses of find_regmode_weight.
12401 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12403 * function.h (struct function) <x_tail_recursion_reentry>:
12404 Rename to x_stack_check_probe_note.
12405 (tail_recursion_reentry): Rename to stack_check_probe_note.
12406 * function.c: Replace tail_recursion_reentry with
12407 stack_check_probe_note everywhere.
12408 (expand_function_start): Only emit a note for
12409 stack_check_probe_note with -fstack-protect.
12410 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12412 * emit-rtl.c (remove_unnecessary_notes): Remove.
12413 (pass_remove_unnecessary_notes): Remove.
12414 * rtl.h (remove_unnecessary_notes): Remove prototype.
12415 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12416 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12417 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12419 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12422 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12423 (valid_in_set): Handle ARRAY_REF.
12424 Change "if min_variant or VH" to asserts.
12425 (create_component_ref_by_pieces): Handle ARRAY_REF.
12426 (create_expression_by_pieces): Likewise.
12427 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12429 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12431 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12432 is operand of switch, not str[0].
12434 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12436 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12437 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12439 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12441 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12442 end of insn_extra_address_constraint declaration.
12444 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12446 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12447 (no-sum-in-toc): Same.
12448 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12450 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12451 NO_FP_IN_TOC for -fPIC instead of mask.
12453 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12454 (BOOT_LDFLAGS): Delete.
12456 * config/rs6000/t-aix52: Same.
12458 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12459 (stmsi[345678]_power): New.
12461 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12463 * config/ia64/ia64.opt: Add empty line to end of file.
12465 2006-03-17 Richard Guenther <rguenther@suse.de>
12467 PR middle-end/26721
12468 * builtins.c (get_pointer_alignment): For component style references
12469 adjust alignment to the component type alignment. Make sure
12470 to adjust alignment for component access of constants.
12472 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12474 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12475 unconditional jump.
12477 2006-03-17 Paul Brook <paul@codesourcery.com>
12479 * doc/install.texi: Docuemnt --with-mode.
12480 * config.gcc: Add --with-mode for arm*-*-*.
12481 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12483 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12485 * sh.c (max_labelno_before_reorg): New variable.
12486 (sh_reorg): Initialize it.
12487 (find_barrier): Check max_labelno_before_reorg before using
12488 label_to_alignment. Take length of explicit alignment insns
12489 into account. When seeing a UNSPECV_CONST_END, return it.
12491 * sh.c (fixup_mova): Set mode of affected label to QImode.
12492 (untangle_mova): New function.
12493 (find_barrier): Use it. Check mode of label before decrementing
12495 (sh_reorg): Likewise.
12496 Set mode of all insns back to VOIDmode.
12498 * sh.c (MOVA_LABELREF): New macro.
12499 (mova_p, fixup_mova, sh_reorg): Use it.
12500 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12501 ADDR_DIFF_VEC matches mova.
12503 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12505 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12506 with ATTRIBUTE_UNUSED.
12508 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12510 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12511 pointer, instead of assuming it is possible to derive the
12512 correct args size from a call insn.
12514 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12516 * rtl.h (CONST_INT_P): Define.
12517 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12518 instead of GET_CODE(x) == CONST_INT.
12519 (vax_rtx_costs): Likewise.
12520 (vax_output_int_move): Likewise.
12521 (vax_output_int_add): Likewise.
12522 (legitimate_constant_address_p): Likewise.
12523 (index_term_p): Likewise.
12524 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12525 * config/vax/vax.md (and<mode>3): Likewise.
12526 (ashrsi3): Likewise.
12528 (movstricthi): Likewise.
12529 (movstrictqi): Likewise.
12530 (rotrsi3): Likewise.
12531 (five unnamed insns): Likewise.
12533 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12535 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12536 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12537 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12538 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12539 Pass to ASM_OUTPUT_DWARF_OFFSET.
12540 * dwarf2out.c (debug_frame_section): New.
12541 (output_call_frame_info): Use debug_frame_section. Pass it to
12542 dw2_asm_output_offset.
12543 (output_die): Pass appropriate section to dw2_asm_output_offset.
12544 (output_compilation_unit_header): Likewise.
12545 (output_pubnames): Likewise.
12546 (output_aranges): Likewise.
12547 (enum dw_val_class): Break dw_val_class_lbl_offset into
12548 dw_val_class_lineptr and dw_val_class_macptr.
12549 (add_AT_lbl_offset): Delete.
12550 (add_AT_lineptr): New.
12551 (add_AT_macptr): New.
12552 (AT_lbl): Expect a lineptr or macptr.
12553 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12554 (attr_checksum): Likewise.
12555 (same_dw_val_p): Likewise.
12556 (size_of_die): Likewise.
12557 (value_format): Likewise.
12558 (output_die): Likewise.
12559 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12561 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12562 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12563 * config/darwin-protos.h (darwin_file_start): New.
12564 (darwin_asm_output_dwarf_offset): New.
12565 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12566 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12568 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12569 if not EH section; simplify.
12570 (darwin_file_start): New.
12571 (darwin_asm_output_dwarf_offset): New.
12572 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12574 (DEBUG_INFO_SECTION): Likewise.
12575 (DEBUG_ABBREV_SECTION): Likewise.
12576 (DEBUG_ARANGES_SECTION): Likewise.
12577 (DEBUG_MACINFO_SECTION): Likewise.
12578 (DEBUG_LINE_SECTION): Likewise.
12579 (DEBUG_LOC_SECTION): Likewise.
12580 (DEBUG_PUBNAMES_SECTION): Likewise.
12581 (DEBUG_STR_SECTION): Likewise.
12582 (DEBUG_RANGES_SECTION): Likewise.
12583 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12584 (ASM_OUTPUT_DWARF_OFFSET): New.
12586 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12588 * config.gcc (tm_defines): Always add to previous value rather
12591 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12593 * config/mips/predicates.md (splittable_const_int_operand): New,
12594 split from move_operand.
12595 (splittable_symbolic_operand): New.
12596 (move_operand): Add commentary. Use splittable_const_int_operand.
12597 Inline mips_atomic_symbolic_constant_p.
12598 * config/mips/mips.md: Add combine splitters for handling moves
12599 of splittable_const_int_operands and splittable_symbolic_operands.
12600 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12601 (mips_split_symbol): Declare.
12602 (mips_move_integer): Declare.
12603 * config/mips/mips.c (mips_split_p): Make global.
12604 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12605 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12606 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12607 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12608 (mips_offset_within_object_p): Handle block symbols.
12609 (mips_atomic_symbolic_constant_p): Delete.
12610 (mips_cannot_force_const_mem): Return false for constants that
12611 mips_legitimize_move can handle.
12612 (mips_use_blocks_for_constant_p): New function.
12613 (mips_split_symbol): Make global.
12614 (mips_move_integer): Likewise. Add a temporary register argument.
12615 (mips_legitimize_const_move): Use splittable_const_int_operand and
12616 splittable_symbolic_operand.
12617 (mips_use_anchors_for_symbol_p): New function.
12618 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12619 (mips_split_p): Declare.
12621 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12623 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12624 (mips*-*-linux*): Likewise.
12626 2006-03-16 Roger Sayle <roger@eyesopen.com>
12627 Daniel Speyer <dspeyer@wam.umd.edu>
12629 PR middle-end/18259
12630 * tree-dump.c (dump_real): New function.
12631 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12632 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12633 (tree-dump.o): Add $(REAL_H) to the dependencies.
12635 2006-03-16 Roger Sayle <roger@eyesopen.com>
12637 PR middle-end/21781
12638 * real.c (real_from_string): If the mantissa is zero, don't bother
12639 parsing the exponent as the result should always be zero.
12641 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12643 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12645 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12647 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12648 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12649 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12650 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12651 ia64_sched_finish_global): New static functions to implement
12652 hooks from gcc_target.sched.
12653 (spec_check_no, max_uid, pending_data_specs): New static variables.
12654 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12655 ia64_spec_check_src_p): New static functions.
12656 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12657 (TARGET_SCHED_ADJUST_COST): Removed.
12658 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12659 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12660 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12661 TARGET_SCHED_GEN_CHECK,
12662 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12663 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12664 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12665 Fixed to handle speculation checks.
12666 (rtx_needs_barrier): Fixed to handle speculative loads and
12668 (ia64_variable_issue): Added code to count speculative loads and their
12670 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12672 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12674 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12676 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12677 (ia64_reorg): Reset stops_p to NULL after it is freed.
12678 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12679 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12680 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12682 (data_speculative, control_speculative, check_load): New attributes.
12683 (mov<mode>_advanced, mov<mode>_speculative,
12684 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12685 zero_extend<mode>di2_speculative,
12686 zero_extend<mode>di2_speculative_advanced): New patterns for
12687 data and control speculative loads.
12688 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12690 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12691 New pattern for data and control speculation checks.
12692 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12693 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12694 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12695 Auxiliary definitions for the patterns.
12696 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12697 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12699 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12701 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12702 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12703 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12704 New resource constraints.
12705 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12707 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12708 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12709 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12710 msched-in-control-spec, msched-ldc, msched-control-ldc,
12711 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12712 msched-prefer-non-control-spec-insns,
12713 msched-count-spec-in-critical-path): New flags to tune speculative
12715 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12716 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12717 msched-in-control-spec, msched-ldc, msched-control-ldc,
12718 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12719 msched-prefer-non-control-spec-insns,
12720 msched-count-spec-in-critical-path): Document new flags.
12722 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12724 * target.h (struct spec_info_def): New opaque declaration.
12725 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12726 speculate_insn, needs_block_p, gen_check,
12727 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12728 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12729 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12730 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12731 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12732 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12734 (TARGET_SCHED): Use new macros.
12735 * rtl.h (copy_DEPS_LIST_list): New prototype.
12736 * sched-int.h (struct sched_info): Change signature of new_ready field,
12737 adjust all initializations. New fields: add_remove_insn,
12738 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12739 region_head_or_leaf_p.
12740 (struct spec_info_def): New structure declaration.
12741 (spec_info_t): New typedef.
12742 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12743 recovery_block, orig_pat.
12744 (glat_start, glat_end): New variables declaraions.
12745 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12747 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12748 DETACH_LIFE_INFO, USE_GLAT.
12749 (enum SPEC_SCHED_FLAGS): New enumeration.
12750 (NOTE_NOTE_BB_P): New macro.
12751 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12752 attach_life_info, debug_spec_status, check_reg_live): New functions.
12753 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12754 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12756 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12757 * ddg.c (get_block_head_tail): Adjust all uses.
12758 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12759 (sms_sched_info): Initialize new fields.
12760 (contributes_to_priority): Removed.
12761 * haifa-sched.c (params.h): New include.
12762 (get_block_head_tail): Adjust all uses.
12763 (ISSUE_POINTS): New macro.
12764 (glat_start, glat_end): New global variables.
12765 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12766 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12767 old_last_basic_block, before_recovery, current_sched_info_var,
12768 rgn_n_insns, luid): New static variables.
12769 (insn_cost1): New function. Move logic from insn_cost to here.
12770 (find_insn_reg_weight1): New function. Move logic from
12771 find_insn_reg_weight to here.
12772 (reemit_notes, move_insn, max_issue): Change signature.
12773 (move_insn1): Removed.
12774 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12775 extend_bb): New static functions to support extension of scheduler's
12777 (generate_recovery_code, process_insn_depend_be_in_spec,
12778 begin_speculative_block, add_to_speculative_block,
12779 init_before_recovery, create_recovery_block, create_check_block_twin,
12780 fix_recovery_deps): New static functions to support
12781 generation of recovery code.
12782 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12783 restore_bb_notes, move_block_after_check, move_succs): New static
12784 functions to support ebb scheduling.
12785 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12786 functions to support handling of register live information.
12787 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12788 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12789 add_jump_dependencies): New static functions.
12790 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12791 consistancy checking.
12792 (debug_spec_status): New function to call from debugger.
12793 (priority): Added code to handle speculation checks.
12794 (rank_for_schedule): Added code to distinguish speculative instructions.
12795 (schedule_insn): Added code to handle speculation checks.
12796 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12797 Fixed to handle ebbs.
12798 (move_insn): Added code to handle ebb scheduling.
12799 (max_issue): Added code to use ISSUE_POINTS of instructions.
12800 (choose_ready): Added code to choose between speculative and
12801 non-speculative instructions.
12802 (schedule_block): Added code to handle ebb scheduling and scheduling of
12803 speculative instructions.
12804 (sched_init): Initialize new variables.
12805 (sched_finish): Free new variables. Print statistics.
12806 (try_ready): Added code to handle speculative instructions.
12807 * lists.c (copy_DEPS_LIST_list): New function.
12808 * sched-deps.c (extend_dependency_caches): New function. Move logic
12809 from create_dependency_caches to here.
12810 (get_dep_weak, ds_merge): Make global.
12811 * genattr.c (main): Code to output prototype for
12812 dfa_clear_single_insn_cache.
12813 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12814 (output_dfa_clean_insn_cache_func): Code to output
12815 dfa_clear_single_insn_cache function.
12816 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12818 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12820 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12821 New static variables.
12822 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12823 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12825 (ebb_sched_info): Initialize new fields.
12826 (get_block_head_tail): Adjust all uses.
12827 (compute_jump_reg_dependencies): Fixed to use glat_start.
12828 (schedule_ebb): Code to remove unreachable last block.
12829 (schedule_ebbs): Added code to update register live information.
12830 * sched-rgn.c (region_sched_info): Initialize new fields.
12831 (get_block_head_tail): Adjust all uses.
12832 (last_was_jump): Removed. Adjust users.
12833 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12834 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12835 Implement new hooks.
12836 (check_dead_notes1): New static function.
12837 (struct region): New fields: dont_calc_deps, has_real_ebb.
12838 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12839 (BB_TO_BLOCK): Fixed to handle EBBs.
12840 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12841 (ebb_head): New static variable.
12842 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12843 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12845 (compute_dom_prob_ps): New assertion.
12846 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12847 global_live_at_start.
12848 (init_ready_list): New assertions.
12849 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12850 (new_ready): Add support for BEGIN_CONTROL speculation.
12851 (schedule_insns): Fixed code that updates register live information
12853 (schedule_region): Fixed to handle EBBs.
12854 (init_regions): Use extend_regions and check_dead_notes1.
12855 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12856 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12857 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12858 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12859 TARGET_SCHED_GEN_CHECK,
12860 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12861 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12862 * doc/invoke.texi (max-sched-insn-conflict-delay,
12863 sched-spec-prob-cutoff): Document.
12865 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12867 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12868 inter_tick, queue_index.
12869 (struct sched_info): Change signature of init_ready_list field.
12870 Adjust all initializations.
12871 (RESOLVED_DEPS): New access macro.
12872 (ready_add): Remove prototype.
12873 (try_ready): Add prototype.
12874 * sched-rgn.c (init_ready_list): Use try_ready.
12875 (schedule_region): Initialize
12876 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12877 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12878 (init_ready_list): Use try_ready.
12879 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12880 * lists.c (remove_list_elem): Remove `static'.
12881 (remove_free_INSN_LIST_elem): New function.
12882 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12883 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12884 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12886 (readyp): New variable.
12887 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12888 change_queue_index, resolve_dep): New static functions.
12889 (try_ready): New function. Adjust callers in sched-rgn.c and
12890 sched-ebb.c to use it instead of ready_add.
12891 (clock_var): Move at the begining of file.
12892 (rank_for_schedule): Fix typo.
12893 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12894 (ready_lastpos): Enforce assertion.
12895 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12896 update all callers.
12897 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12898 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12899 (queue_to_ready): Use free_INSN_LIST_list.
12900 (early_queue_to_ready): Fix typo.
12901 (schedule_block): Init readyp. Move init_ready_list call after the
12902 initialization of clock_var. Fix error in rejecting insn by
12903 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12904 that previously corrected INSN_TICKs. Add code for handling
12906 (set_priorities): Fix typo.
12907 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12908 Clarify comment and code that keeps current_sched_info->next_tail
12911 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12913 * sched-rgn.c (extend_rgns): New static function.
12914 (find_rgns): Use it.
12915 (gather_region_statistics, print_region_statistics): New static
12917 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12918 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12920 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12921 Andrey Belevantsev <abel@ispras.ru>
12923 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
12924 * lists.c (unused_deps_list): New variable.
12925 (free_list): Add assertions to verify the proper distinguishing
12926 between INSN_LISTs and DEPS_LISTs.
12927 (find_list_elem, remove_list_elem, remove_list_node): New static
12929 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
12930 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
12931 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
12932 (alloc_INSN_LIST): Assert that the list we're working on is indeed
12934 (free_INSN_LIST_node): Likewise.
12935 * modulo-sched.c (current_sched_info): Initialize flags field.
12936 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
12937 * rtl.def (DEPS_LIST): Define.
12938 * rtl.h: Declare new functions from lists.c.
12939 * sched-deps.c (spec_dependency_cache): New static variable.
12940 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
12941 (add_dependence): Change return type to void. Move the logic to ...
12942 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
12943 (delete_all_dependences): Add comment about forward_dependency_cache.
12944 Handle spec_dependency_cache. Handle DEPS_LISTs.
12945 (fixup_sched_groups): Clarify the change of priority of output
12946 and anti dependencies.
12947 (sched_analyze_2): Adjust add_dependence calls to create data
12948 speculative dependence.
12949 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
12950 Adjust all callers. Handle DEPS_LISTS.
12951 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
12952 presence of speculation.
12953 (init_dependency_caches, free_dependency_caches):
12954 Handle spec_dependency_cache.
12955 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
12956 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
12957 New static functions.
12958 (add_or_update_back_dep, add_or_update_back_forw_dep,
12959 add_back_forw_dep, delete_back_forw_dep): New functions.
12960 * sched-int.h (ds_t, dw_t): New typedefs.
12961 (struct sched_info): Add new field flags.
12962 (struct haifa_insn_data): Add new bitfield has_internal_dep.
12963 Prototype new sched-deps.c functions.
12964 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
12965 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
12966 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
12967 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
12968 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
12969 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
12971 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
12973 * sched-rgn.c (current_sched_info): Initialize flags field.
12974 (schedule_insns): Initialize current_sched_info before the sched_init
12976 * sched-ebb.c (current_sched_info): Initialize flags field.
12977 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
12978 Call add_or_update_back_dep instead of add_dependence.
12979 Create control speculative dependencies.
12980 (schedule_insns): Initialize current_sched_info before the sched_init
12983 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
12985 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
12987 (sh_fallback_frame_state): Likewise.
12989 2006-03-15 Geoffrey Keating <geoffk@apple.com>
12991 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
12992 Do switch on default_use_cxa_atexit.
12993 (powerpc*-*-darwin*): Build crt2.o on powerpc.
12994 * config/darwin-crt3.o: New.
12995 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
12996 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
12997 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
12999 * config/rs6000/t-darwin: Move crt2.o building to here.
13000 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13001 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13004 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13006 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13007 from '! xxx' to '!xxx' for coding-style conformance.
13008 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13009 (EXTRA_CONSTRAINT): Likewise.
13010 * config/vax/vax.md (four unnamed insns): Likewise.
13012 2006-03-15 Paul Brook <paul@codesourcery.com>
13014 * config/arm/arm.c (minipool_pad): New.
13015 (add_minipool_forward_ref): Include pool alignment padding in address
13017 (push_minipool_fix): Set minipool_pad.
13018 (minipool_pad): Ditto.
13020 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13022 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13023 instead of GET_CODE() == MEM and REG_P() instead of
13025 (print_operand_address): Likewise.
13026 (vax_address_cost): Likewise.
13027 (vax_rtx_costs): Likewise.
13028 (vax_notice_update_cc): Likewise.
13029 (vax_output_int_add): Likewise.
13030 (INDEX_REGISTER_P): Likewise.
13031 (BASE_REGISTER_P): Likewise.
13032 (nonindexed_address_p): Likewise.
13033 (vax_mode_dependent_address_p): Likewise.
13034 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13035 (PRINT_OPERAND): Likewise.
13036 * config/vax/vax.md (ashlsi3): Likewise.
13037 (ashlsi3): Likewise.
13038 (some more unnamed insns): Likewise.
13040 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13042 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13043 iterator-style macro.
13044 (mark_control_dependent_edges_necessary): Update the use of
13045 EXECUTE_IF_CONTROL_DEPENDENT.
13047 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13049 * config/sh/predicates.md (cache_address_operand): Special.
13050 (ua_address_operand): Likewise.
13052 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13054 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13056 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13058 2006-03-15 Andreas Schwab <schwab@suse.de>
13060 * gensupport.c (identify_predicable_attribute): Don't free p_false
13061 when it is still in use.
13063 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13065 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13066 the default setting here.
13068 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13070 * tree-pass.h (pass_cfg): Remove.
13071 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13072 * passes.c (pass_cfg): Don't run it.
13074 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13076 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13077 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13079 (stack_regs_mentioned): Update the uses of
13080 stack_regs_mentioned_data. Don't access the array beyond its
13082 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13083 Don't include gt-reg-stack.h.
13085 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13086 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13088 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13090 PR middle-end/26684
13091 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13094 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13096 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13098 2006-03-14 Richard Guenther <rguenther@suse.de>
13100 PR tree-optimization/26672
13101 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13104 2006-03-14 Richard Guenther <rguenther@suse.de>
13106 PR tree-optimization/26667
13107 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13108 node for the callees. Always allow inlining if it will shrink
13111 2006-03-14 Richard Guenther <rguenther@suse.de>
13113 PR middle-end/26659
13114 * builtins.c (get_pointer_alignment): Prefer alignment
13115 information from decls over that from types.
13117 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13120 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13122 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13124 * config/rs6000/rs6000.opt (mdlmzb): New option.
13125 (msched-prolog, msched-epilog): Use Var not Mask.
13126 * doc/invoke.texi (-mdlmzb): Document.
13127 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13129 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13130 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13132 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13134 PR rtl-optimization/25739
13135 * bt-load.c (augment_live_range): Free tos pointer.
13137 * gensupport.c (identify_predicable_attribute): Free
13139 * gcov.c (create_file_names): Free name pointer.
13141 2006-03-13 Roger Sayle <roger@eyesopen.com>
13143 PR middle-end/26557
13144 * stmt.c (emit_case_nodes): Handle the case where the index is a
13145 CONST_INT, where the comparison mode is specified by the index type.
13147 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13149 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13152 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13154 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13155 (*branch_fp_inverted): Likewise.
13157 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13159 PR middle-end/25989
13160 * omp-low.c (expand_omp_for_generic): Mark istart0
13161 and iend0 as addressable.
13163 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13165 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13167 2006-03-13 Jeff Law <law@redhat.com>
13169 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13170 virtual operands are interesting.
13171 (vrp_visit_stmt): Corresponding changes.
13173 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13175 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13177 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13178 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13179 * config/bfin/crti.S: Use it instead of __PIC__.
13180 * config/bfin/crtn.S: Likewise.
13182 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13183 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13185 Lose 'G' modifier for call operand.
13186 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13187 recognize 'G' modifier.
13189 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13191 PR middle-end/18859
13192 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13193 * stmt.c (expand_case): Likewise.
13195 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13197 PR rtl-optimization/26254
13198 * loop-invariant.c (seq_insns_valid_p): New function.
13199 (move_invariant_reg): Only emit new code if it is valid.
13201 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13203 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13205 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13206 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13207 (commit_one_edge_insertion): Do not look for loop notes.
13209 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13211 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13212 flag_test_coverage out of loop.
13214 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13216 * final.c (shorten_branches): Remove outdated comment, and turn
13217 the if branch that guards it to continue.
13219 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13221 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13222 * cfgloop.h (struct loop): Remove unused fields.
13224 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13226 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13227 (-dL, -fdump-rtl-loop2): Update the dump file names
13229 * doc/invoke.texi: Update dump file names.
13231 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13233 * predict.c (estimate_probability): Remove.
13234 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13235 * basic-block.h (estimate_probability): Remove prototype.
13236 * passes.c (finish_optimization_passes): Dump branch prediction or
13237 profiling heuristics to the .profile tree dump.
13238 (init_optimization_passes): Unqueue pass_branch_prob.
13240 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13242 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13244 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13245 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13247 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13249 * function.h (frame_offset_overflow): Declare.
13250 * function.c (frame_offset_overflow): New function.
13251 (assign_stack_local_1): Call it to detect that the offset overflows.
13252 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13254 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13256 * config/sh/sh.c: Include alloc-pool.h.
13257 (label_ref_list_pool): New alloc pool.
13258 (label_ref_list_t): New type for lists of labels.
13259 (struct pool_node): Make wend a label_ref_list_t.
13260 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13262 (dump_table): Likewise.
13263 (sh_reorg): Set up the alloc pool before using add_constant and
13264 dump_table, and destroy it when finishing.
13266 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13268 * config/mips/mips.c: Remove redundant comment.
13270 2006-03-10 Jason Merrill <jason@redhat.com>
13273 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13274 the target was declared 'register'.
13276 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13278 * genpreds.c (write_insn_constraint_len): Change definition of
13279 insn_constraint_len to return size_t to match the declaration.
13281 2006-03-10 DJ Delorie <dj@redhat.com>
13283 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13285 (m32c_expand_insv): Fix test for an AND mask.
13287 2006-03-10 Richard Guenther <rguenther@suse.de>
13289 PR middle-end/26565
13290 * builtins.c (get_pointer_alignment): Handle component
13291 references for field alignment.
13293 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13295 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13296 when building with libgloss.
13297 (sh*elf): Implement --without-fp option.
13298 (sh64-superh-linux*): Don't multilib.
13300 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13302 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13304 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13306 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13307 Set it when one of the replacement functions returned true.
13308 Return TODO_cleanup_cfg if cfgchanged is true.
13309 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13311 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13313 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13314 instead of gen_lowpart.
13316 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13318 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13320 (mips_output_order_conditional_branch): Declare.
13321 * config/mips/mips.h (MIPS_BRANCH): New macro.
13322 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13323 for the comparison. Use gen_condjump.
13324 (mips_output_conditional_branch): Rework interface to take the
13325 asm templates for a direct branch and the inverse of a direct branch.
13326 (mips_output_order_conditional_branch): New function.
13327 (mips_builtin_branch_and_move): New function.
13328 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13329 branch condition. Use gen_single_cc as the condition for
13330 __builtin_mips_upper_* or __builtin_mips_lower_*.
13331 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13332 Use VOIDmode for the branch condition.
13333 * config/mips/predicates.md (order_operator): New predicate.
13334 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13335 (branch_fp): Rename to...
13336 (*branch_fp): ...this. Remove mode from comparison operator.
13337 Use new mips_output_conditional_branch interface.
13338 (branch_fp_inverted): Rename to...
13339 (*branch_fp_inverted): ...this and update as for *branch_fp.
13340 (*branch_zero<mode>): Rename to...
13341 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13342 Use mips_output_order_conditional_branch. Only accept ordered
13344 (*branch_zero<mode>_inverted): Rename to...
13345 (*branch_order<mode>_inverted): ...this and update as for
13346 *branch_order<mode>.
13347 (*branch_equality<mode>): Accept zero as the second operand to
13348 the equality operator. Use the new mips_output_conditional_branch
13350 (*branch_equality<mode>_inverted): Likewise.
13351 (condjump): New expander.
13352 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13354 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13355 (bc1any2t, bc1any2f): Likewise.
13356 (single_cc): New expander.
13357 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13359 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13361 * doc/md.texi: Update documentation of MIPS constraints.
13362 * config/mips/constraints.md: New file.
13363 * config/mips/mips.md: Include it.
13364 * config/mips/mips.c (mips_char_to_class): Delete.
13365 (override_options): Don't initialize mips_char_to_class.
13366 * config/mips/mips.h (mips_char_to_class): Delete.
13367 (REG_CLASS_FROM_LETTER): Delete.
13368 (CONST_OK_FOR_LETTER_P): Delete.
13369 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13370 (EXTRA_CONSTRAINT_Y): Delete.
13371 (EXTRA_CONSTRAINT_STR): Delete.
13372 (CONSTRAINT_LEN): Delete.
13373 (EXTRA_MEMORY_CONSTRAINT): Delete.
13375 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13377 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13378 original fn's eh regions.
13380 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13382 * fold-const.c (build_range_check): Make sure to use a valid type to
13383 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13386 (range_predecessor): New static function.
13387 (range_successor): Likewise.
13388 (merge_ranges): Use them to compute predecessors and successors of
13391 2006-03-09 Roger Sayle <roger@eyesopen.com>
13393 PR middle-end/26561
13394 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13395 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13397 2006-03-08 DJ Delorie <dj@redhat.com>
13399 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13400 (addpsi3): Expand to include memory operands. Remove
13401 reload-specific splits.
13402 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13403 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13404 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13405 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13406 (shift1_qi, shift1_hi, insv): New.
13407 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13408 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13409 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13411 * config/m32c/m32c-protos.h: Update as needed.
13412 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13413 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13414 Fail for unrecognized R* constraints.
13415 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13416 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13417 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13419 (m32c_init_libfuncs): New.
13420 (m32c_legitimate_address_p): Add debug wrapper.
13421 (m32c_rtx_costs): New.
13422 (m32c_address_cost): New.
13423 (conversions): Add 'B' prefix.
13424 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13425 operands, or word regnames for QI operands. 'B' prints bit
13427 (m32c_expand_setmemhi): New.
13428 (m32c_expand_movmemhi): New.
13429 (m32c_expand_movstr): New.
13430 (m32c_expand_cmpstr): New.
13431 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13432 (m32c_expand_neg_mulpsi3): Handle non-ints.
13433 (m32c_cmp_flg_0): New.
13434 (m32c_expand_movcc): New.
13435 (m32c_expand_insv): New.
13436 (m32c_scc_pattern): New.
13437 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13438 a0/a1 out of SIregs.
13439 (STORE_FLAG_VALUE): New.
13440 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13443 * config/m32c/mov.md: Make constraints more liberal.
13444 (zero_extendqihi2): Optimize r0/r1 case.
13445 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13446 * config/m32c/predicates.md (m32c_any_operand): New.
13447 (m32c_nonimmediate_operand): New.
13448 (m32c_hl_operand): New.
13449 (m32c_r3_operand): New.
13452 (memsym_operand): New.
13453 (memimmed_operand): New.
13454 (a_qi_operand): New.
13455 (m32c_eqne_operator): New.
13456 (m32c_1bit8_operand): New.
13457 (m32c_1bit16_operand): New.
13458 (m32c_1mask8_operand): New.
13459 (m32c_1mask16_operand): New.
13460 * config/m32c/blkmov.md: New file.
13461 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13463 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13465 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13466 unsigned to fix signed/unsigned comparison issue in
13467 DWARF2_FRAME_REG_OUT.
13468 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13469 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13471 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13472 of ptr into the ENABLE_CHECKING section.
13474 2006-03-08 Jeff Law <law@redhat.com>
13476 * tree-vrp.c (infer_value_range): Only count pointer uses
13477 and dereferences if -fdelete-null-pointer-checks is enabled.
13479 * tree-vrp.c (find_assert_locations): Infer value ranges for
13480 single use pointers, but do not create ASSERT_EXPRs for them.
13481 When a non-null range is inferred for a pointer, backwards
13482 propagate that range to other equivalent pointers through the
13485 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13488 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13489 language hook targets.
13490 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13491 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13492 if language hook targets were missing.
13494 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13496 * tree-ssa-opfinalize.h: Removed.
13497 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13499 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13500 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13501 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13502 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13503 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13504 finalize_ssa_v_must_def_ops): New.
13506 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13508 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13509 block as parameter.
13511 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13513 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13515 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13516 addresses with offsets; reorganize.
13518 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13519 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13520 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13522 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13525 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13527 2006-03-08 Ben Elliston <bje@au.ibm.com>
13529 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13531 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13534 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13537 2006-03-07 Richard Guenther <rguenther@suse.de>
13539 PR tree-optimization/26587
13540 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13542 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13544 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13546 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13548 * hooks.c (hook_bool_mode_rtx_true): New function.
13549 * hooks.h (hook_bool_mode_rtx_true): Declare.
13550 * toplev.c (compile_file): Call output_shared_constant_pool.
13551 * varasm.c (shared_constant_pool): New variable.
13552 (assemble_start_function, assemble_end_function): Remove arguments
13553 from call to output_constant_pool.
13554 (create_constant_pool): New function, split out from...
13555 (init_varasm_status): ...here.
13556 (force_const_mem): Choose between the shared and per-function constant
13557 pools. Set current_function_uses_const_pool when reusing old entries
13558 as well as when creating new ones.
13559 (mark_constant): Ignore data argument.
13560 (mark_constants): Remove pool argument.
13561 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13562 to decide whether the function uses a constant pool.
13563 (output_constant_pool_contents): New function, split out from...
13564 (output_constant_pool): ...here.
13565 (output_shared_constant_pool): New function.
13566 (init_varasm_once): Initialize shared_constant_pool.
13567 * output.h (output_constant_pool): Delete.
13568 (output_shared_constant_pool): Declare.
13569 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13570 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13572 2006-03-06 Nick Clifton <nickc@redhat.com>
13574 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13575 flag_strength_reduce.
13577 2006-03-06 Ben Elliston <bje@au.ibm.com>
13579 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13580 x86_64-*-linux* configurations.
13582 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13583 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13585 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13587 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13589 * basic-block.h: Remove the extern for
13590 rediscover_loops_after_threading.
13592 * cfgloop.c (cancel_loop): Make it static.
13593 * cfgloop.h: Remove the prototype for cancel_loop.
13595 * flow.c (recompute_reg_usage): Make it static.
13596 * rtl.h: Remove the prototype for recompute_reg_usage.
13598 * function.c (use_return_register): Make it static.
13599 * function.h: Remove the prototype.
13601 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13603 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13605 * recog.h: Remove the prototype for
13606 validate_change_maybe_volatile.
13608 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13610 * rtlanal.c (replace_reg): Remove.
13611 * rtl.h: Remove the prototype for replace_reg.
13613 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13615 * regclass.c (reg_scan_update): Remove.
13616 (reg_scan_mark_refs): Remove the last argument.
13617 * rtl.h: Remove the prototype for reg_scan_update.
13619 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13621 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13622 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13623 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13624 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13625 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13626 loop-invariant.c, omp-low.c, opts.c, passes.c,
13627 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13628 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13629 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13630 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13631 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13632 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13634 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13636 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13637 * dwarf2out.h: Remove the prototype for
13638 dwarf2out_add_library_unit_info.
13640 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13642 * tree.c (add_var_to_bind_expr): Remove.
13643 * tree.h: Remove the prototype for add_var_to_bind_expr.
13645 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13647 * regclass.c (n_non_fixed_regs): Remove.
13648 (init_reg_sets_1, globalize_reg): Remove all uses of
13650 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13652 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13654 * rtlanal.c (insns_safe_to_move_p): Remove.
13655 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13657 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13659 * expmed.c (expand_mult_add): Remove.
13660 * expr.h: Remove the prototype for expand_mult_add.
13662 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13664 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13665 and REG_SAVED_VAL_EXP constants.
13666 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13667 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13668 Handle regs stored by value.
13669 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13670 (execute_cfa_program): Handle DW_CFA_val_offset,
13671 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13672 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13673 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13674 (uw_install_context_1): Handle target regs stored by value.
13676 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13678 * tree-sra.c (tree_sra): Return todoflags;
13679 (generate_one_element): Set TODO_update_smt_usage if needed.
13680 (pass_sra): Remove TODO_update_smt_usage.
13681 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13683 (tree_ssa_forward_propagate_single_use_vars): Return
13684 TODO_update_smt_usage if we need to update SMT usage.
13685 (pass_forwprop): Remove TODO_update_smt_usage.
13687 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13689 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13690 (correct_use_link): Remove reference to get_stmt_operands.
13691 (update_stmt_operands): Likewise.
13692 (get_modify_expr_operands): New function factored out of
13693 parse_ssa_operands and get_expr_operands.
13694 Try to create V_MUST_DEFs for LHS by default.
13695 (get_expr_operands) <case MODIFY_EXPR>: Call
13696 get_modify_expr_operands.
13697 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13698 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13699 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13700 get_modify_expr_operands.
13702 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13704 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13705 * tree-flow.h: Remove the prototype for
13706 referenced_var_lookup_if_exists.
13708 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13710 PR rtl-optimization/26345
13712 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13714 2006-03-03 Roger Sayle <roger@eyesopen.com>
13716 PR tree-optimization/26524
13717 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13718 fold_convert to create a constant of the appropriate type.
13720 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13722 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13723 SYMBOL_REF_IN_BLOCK_P.
13724 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13725 of SYMBOL_FLAG_IN_BLOCK.
13726 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13727 instead of SYMBOL_REF_IN_BLOCK_P.
13728 * explow.c (use_anchored_address): Likewise.
13729 * rtl.c (rtx_size): Likewise.
13730 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13731 instead of SYMBOL_FLAG_IN_BLOCK.
13732 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13733 SYMBOL_REF_IN_BLOCK_P.
13734 (assemble_variable): Likewise.
13735 (output_constant_def_contents): Likewise.
13736 (output_constant_pool): Likewise.
13737 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13738 instead of SYMBOL_FLAG_IN_BLOCK.
13739 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13740 SYMBOL_REF_IN_BLOCK_P.
13741 (SYMBOL_REF_BLOCK): Likewise.
13742 (SYMBOL_REF_OFFSET): Likewise.
13743 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13744 SYMBOL_REF_IN_BLOCK_P.
13745 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13746 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13747 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13748 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13750 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13752 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13754 2006-03-02 Roger Sayle <roger@eyesopen.com>
13756 * simplify-rtx.c (simplify_unary_operation): When simplifying
13757 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13758 that we perform the right shift in the appropriate mode, and
13759 then extend or truncate the result to requested mode.
13761 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13763 * gengtype.c (main): Handle double_int type.
13764 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13765 * double-int.c: New file.
13766 * double-int.h: New file.
13767 * system.h: Include doubleint.h.
13768 * Makefile.in (SYSTEM_H): Include double-int.h.
13769 (double-int.o): Add.
13771 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13774 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13777 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13779 * tree-vrp.c (remove_range_assertions): Do not update statements
13782 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13784 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13786 * gcse.c (rest_of_handle_gcse): Ditto.
13787 * except.c (gate_handle_eh): Ditto.
13788 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13789 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13791 2006-03-02 Eric Christopher <echristo@apple.com>
13793 * config/i386/i386.c (machopic_output_stub): Add indirection to
13796 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13800 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13802 Sun Niagara specific optimizations.
13803 * config.gcc: Recognize niagara as target.
13804 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13805 (TARGET_CPU_niagara): Define.
13806 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13807 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13808 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13809 (ASM_CPU_SPEC): Likewise.
13810 (PROCESSOR_NIAGARA): New enum entry.
13811 (REGISTER_MOVE_COST): Handle Niagara.
13812 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13813 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13814 (sparc_override_options): Recognize "niagara", set appropriate
13815 default MASK_* values for it, and align functions to 32-bytes
13816 by default just like ULTRASPARC/ULTRASPARC3.
13817 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13818 (sparc64_initialize_trampoline): Likewise.
13819 (sparc_use_sched_lookahead): Use zero for niagara.
13820 (sparc_issue_rate): Use one for niagara.
13821 * config/sparc/niagara.md: New file.
13822 * config/sparc/sparc.md: Include it.
13823 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13824 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13825 when default cpu is niagara.
13826 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13827 (ASM_CPU_SPEC): Likewise.
13828 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13829 when default cpu is niagara.
13830 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13831 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13832 just like v9/ultrasparc/ultrasparc3.
13833 * doc/invoke.texi: Add documentation for "niagara" and improve
13834 existing documentation for ultrasparc variants.
13836 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13838 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13840 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13842 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13843 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13844 and say that only one is needed.
13845 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13846 * target.h (have_switchable_bss_sections): New hook.
13847 * explow.c (use_anchored_address): Check that the symbol is in a block.
13848 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13849 (bss_noswitch_section): New variables.
13850 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13851 (get_noswitch_section): New function.
13852 (get_block_for_section): Allow SECT to be null.
13853 (unlikely_text_section_p): Use SECTION_STYLE.
13854 (bss_initializer_p): New function.
13855 (get_variable_section): Move earlier in file. Take a new argument,
13856 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13857 Return one of the new *_sections in such cases.
13858 (get_block_for_decl): New function, extracting some logic from
13859 use_blocks_for_decl_p.
13860 (change_symbol_section): Remove in favor of...
13861 (change_symbol_block): ...this new function.
13862 (use_blocks_for_decl_p): Remove checks now performed by
13863 get_block_for_decl.
13864 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13865 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13866 (emit_local, emit_bss, emit_common): ...these new functions.
13867 Return true if the alignment was honored.
13868 (emit_tls_common): New function.
13869 (asm_emit_uninitialised): Delete.
13870 (assemble_variable_noswitch): New function, split out from...
13871 (assemble_variable): ...here. Don't make decisions about common
13872 variables here. Globalize all public decls that go into non-common
13873 sections. Check whether SYMBOL_REF_BLOCK is null.
13874 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13875 (output_constant_pool): Likewise.
13876 (init_varasm_once): Initialize the new section variables.
13877 (have_global_bss_p): New function.
13878 (categorize_decl_for_section): Use bss_initializer_p.
13879 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13880 (place_block_symbol): Assert that the symbol must be in a block.
13881 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13882 (TARGET_INITIALIZER): Include it.
13883 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13884 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13885 (SECTION_MACH_DEP): Bump by two.
13886 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13887 (unnamed_section): Mention SECTION_UNNAMED in comment.
13888 (named_section): Likewise SECTION_NAMED.
13889 (noswitch_section_callback): New type.
13890 (noswitch_section): New structure.
13891 (section): Add a noswitch_section alternative.
13892 (SECTION_STYLE): New macro.
13893 (tls_comm_section, comm_section, lcomm_section): Declare.
13894 (bss_noswitch_section, have_global_bss_p): Declare.
13895 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13896 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13898 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13899 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13902 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13904 * tree-vrp.c (execute_vrp): Return value.
13905 * regrename.c (rest_of_handle_regrename): Ditto.
13906 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13907 * tree-complex.c (tree_lower_complex): Ditto.
13908 (tree_lower_complex_O0): Ditto.
13909 * tracer.c (rest_of_handle_tracer): Ditto.
13910 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13911 * postreload.c (rest_of_handle_postreload): Ditto.
13912 * tree-tailcall.c (execute_tail_recursion): Ditto.
13913 (execute_tail_calls): Ditto.
13914 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13915 * tree.h (init_function_for_compilation): Ditto.
13916 * ipa-cp.c (ipcp_driver): Ditto.
13917 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13918 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13919 * final.c (compute_alignments): Ditto.
13920 (rest_of_handle_final): Ditto.
13921 (rest_of_handle_shorten_branches): Ditto.
13922 (rest_of_clean_state): Ditto.
13923 * omp-low.c (execute_expand_omp): Ditto.
13924 (execute_lower_omp): Ditto.
13925 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
13926 * ipa-reference.c (static_execute): Ditto.
13927 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
13928 * reorg.c (rest_of_handle_delay_slots): Ditto.
13929 (rest_of_handle_machine_reorg): Ditto.
13930 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
13931 * flow.c (recompute_reg_usage): Ditto.
13932 (rest_of_handle_remove_death_notes): Ditto.
13933 (rest_of_handle_life): Ditto.
13934 (rest_of_handle_flow2): Ditto.
13935 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
13936 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
13937 (do_ssa_store_ccp): Ditto.
13938 (execute_fold_all_builtins): Ditto.
13939 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
13940 * modulo-sched.c (rest_of_handle_sms): Ditto.
13941 * ipa-pure-const.c (static_execute): Ditto.
13942 * cse.c (rest_of_handle_cse): Ditto.
13943 (rest_of_handle_cse2): Ditto.
13944 * web.c (rest_of_handle_web): Ditto.
13945 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
13946 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
13947 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
13948 * tree-nrv.c (tree_nrv): Ditto.
13949 (execute_return_slot_opt): Ditto.
13950 * tree-ssa-alias.c (compute_may_aliases): Ditto.
13951 (create_structure_vars): Ditto.
13952 * loop-init.c (rtl_loop_init): Ditto.
13953 (rtl_loop_done): Ditto.
13954 (rtl_move_loop_invariants): Ditto.
13955 (rtl_unswitch): Ditto.
13956 (rtl_unroll_and_peel_loops): Ditto.
13957 (rtl_doloop): Ditto.
13958 * gimple-low.c (lower_function_body): Ditto.
13959 (mark_used_blocks): Ditto.
13960 * tree-ssa-sink.c (execute_sink_code): Ditto.
13961 * ipa-inline.c (cgraph_decide_inlining): Ditto.
13962 (cgraph_early_inlining): Ditto.
13963 * global.c (rest_of_handle_global_alloc): Ditto.
13964 * jump.c (cleanup_barriers): Ditto.
13965 (purge_line_number_notes): Ditto.
13966 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
13967 (rest_of_handle_if_after_reload): Ditto.
13968 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
13969 (tree_ssa_loop_im): Ditto.
13970 (tree_ssa_loop_unswitch): Ditto.
13971 (tree_vectorize): Ditto.
13972 (tree_linear_transform): Ditto.
13973 (tree_ssa_loop_ivcanon): Ditto.
13974 (tree_ssa_empty_loop): Ditto.
13975 (tree_ssa_loop_bounds): Ditto.
13976 (tree_complete_unroll): Ditto.
13977 (tree_ssa_loop_prefetch): Ditto.
13978 (tree_ssa_loop_ivopts): Ditto.
13979 (tree_ssa_loop_done): Ditto.
13980 * predict.c (tree_estimate_probability): Ditto.
13981 * recog.c (split_all_insns_noflow): Ditto.
13982 (rest_of_handle_peephole2): Ditto.
13983 (rest_of_handle_split_all_insns): Ditto.
13984 * tree-eh.c (lower_eh_constructs): Ditto.
13985 * regmove.c (rest_of_handle_regmove): Ditto.
13986 (rest_of_handle_stack_adjustments): Ditto.
13987 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
13988 * function.c (instantiate_virtual_regs): Ditto.
13989 (init_function_for_compilation): Ditto.
13990 (rest_of_handle_check_leaf_regs): Ditto.
13991 * gcse.c (rest_of_handle_jump_bypass): Ditto.
13992 (rest_of_handle_gcse): Ditto.
13993 * ipa-type-escape.c (type_escape_execute): Ditto.
13994 * alias.c (rest_of_handle_cfg): Ditto.
13995 * tree-if-conv.c (main_tree_if_conversion): Ditto.
13996 * profile.c (rest_of_handle_branch_prob): Ditto.
13997 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
13998 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
13999 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14000 * tree-dfa.c (find_referenced_vars): Ditto.
14001 * except.c (set_nothrow_function_flags): Ditto.
14002 (convert_to_eh_region_ranges): Ditto.
14003 (rest_of_handle_eh): Ditto.
14004 * emit-rtl.c (unshare_all_rtl): Ditto.
14005 (remove_unnecessary_notes): Ditto.
14006 * except.h (set_nothrow_function_flags): Ditto.
14007 (convert_to_eh_region_ranges): Ditto.
14008 * cfgexpand.c (tree_expand_cfg): Ditto.
14009 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14010 * tree-ssa-pre.c (do_pre): Ditto.
14011 (execute_fre): Ditto.
14012 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14013 (rest_of_handle_jump2): Ditto.
14014 * tree-sra.c (tree_sra): Ditto.
14015 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14016 (execute_mudflap_function_decls): Ditto.
14017 * tree-ssa-copy.c (do_copy_prop): Ditto.
14018 (do_store_copy_prop): Ditto.
14019 * ipa-prop.h (ipcp_driver): Ditto.
14020 * cfglayout.c (insn_locators_initialize): Ditto.
14021 * tree-ssa-forwprop.c
14022 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14023 * cfglayout.h (insn_locators_initialize): Ditto.
14024 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14025 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14026 (execute_late_warn_uninitialized): Ditto.
14027 * rtl.h (cleanup_barriers): Ditto.
14028 (split_all_insns_noflow): Ditto.
14029 (purge_line_number_notes): Ditto.
14030 (unshare_all_rtl): Ditto.
14031 (remove_unnecessary_notes): Ditto.
14032 (recompute_reg_usage): Ditto.
14033 (variable_tracking_main): Ditto.
14034 * integrate.c (emit_initial_value_sets): Ditto.
14035 * integrate.h (emit_initial_value_sets): Ditto.
14036 * tree-optimize.c (execute_free_datastructures): Ditto
14037 (execute_free_cfg_annotations): Ditto.
14038 (execute_fixup_cfg): Ditto.
14039 (execute_cleanup_cfg_pre_ipa): Ditto.
14040 (execute_cleanup_cfg_post_optimizing): Ditto.
14041 (execute_init_datastructures): Ditto.
14042 * tree-object-size.c (compute_object_sizes): Ditto.
14043 * combine.c (rest_of_handle_combine): Ditto.
14044 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14045 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14046 (rest_of_handle_reorder_blocks): Ditto.
14047 (rest_of_handle_partition_blocks): Ditto.
14048 * var-tracking.c (variable_tracking_main): Ditto.
14049 * tree-profile.c (tree_profiling): Ditto.
14050 * tree-vect-generic.c (expand_vector_operations): Ditto.
14051 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14052 * sched-rgn.c (rest_of_handle_sched): Ditto.
14053 (rest_of_handle_sched2): Ditto.
14054 * basic-block.h (free_bb_insn): Ditto.
14055 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14056 * tree-cfg.c (execute_build_cfg): Ditto.
14057 (remove_useless_stmts): Ditto.
14058 (split_critical_edges): Ditto.
14059 (execute_warn_function_return): Ditto.
14060 (execute_warn_function_noreturn): Ditto.
14061 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14062 * cfgrtl.c (free_bb_for_insn): Ditto.
14063 * passes.c (execute_one_pass): Run additional
14064 todos returned by execute function.
14065 * tree-pass.h (struct tree_opt_pass): Make execute
14068 2006-03-02 Richard Guenther <rguenther@suse.de>
14070 * tree-ssa-alias.c (find_used_portions): Consider taking
14071 the address as making the variable not write-only.
14073 2006-03-02 Nick Clifton <nickc@redhat.com>
14075 * config.gcc (default_use_cxa_atexit): Extend the description of
14076 this configure variable. Set its default value to "yes" for
14077 Linux, NetBSD and ELF targets on the assumption that they will
14078 use C libraries with the __cxa_atexit function.
14080 2006-03-02 Ben Elliston <bje@au.ibm.com>
14082 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14083 parameter as unused to suppress a build warning.
14085 2006-03-02 Ben Elliston <bje@au.ibm.com>
14087 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14090 2006-03-01 Roger Sayle <roger@eyesopen.com>
14093 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14094 declared name, the weak reference name, and the typeof name.
14095 (__gthrw): Avoid expanding the declared name suffix.
14096 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14098 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14100 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14102 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14103 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14104 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14105 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14106 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14107 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14108 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14109 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14110 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14111 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14112 (DW_END_default, DW_END_big, DW_END_little): New.
14113 (DW_END_lo_user, DW_END_hi_user): Define.
14114 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14115 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14116 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14119 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14121 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14123 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14125 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14127 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14129 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14130 to 'symbol_mem_tag'.
14132 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14135 2006-03-01 Roger Sayle <roger@eyesopen.com>
14137 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14139 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14142 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14143 MACHO_DYNAMIC_NO_PIC_P.
14144 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14146 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14149 * config/darwin-protos.h (darwin_asm_output_anchor):
14151 * config/darwin-sections.def (cstring_section):
14152 Add SECTION_MERGE to the flags.
14153 (literal4_section): Likewise.
14154 (literal8_section): Likewise.
14155 (objc_selector_refs_section): Likewise.
14156 (objc_cls_refs_section): Likewise.
14157 * config/darwin.c (darwin_asm_output_anchor): New
14159 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14161 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14163 Fix PR tree-optimization/26443
14164 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14165 to todo and PROP_tmt_usage to properties_destroyed.
14166 * tree-ssa-ccp.c (pass_ccp): Ditto.
14167 (pass_store_ccp): Ditto.
14168 * tree-ssa-dom.c (pass_dominator): Ditto.
14170 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14172 * tree-ssa-operands.c: Cleanup whitespace.
14173 (get_asm_expr_operands): Move before first invocation.
14174 (get_indirect_ref_operands): Likewise.
14175 (get_tmr_operands): Likewise.
14176 (get_call_expr_operands): Likewise.
14177 (append_def): Likewise.
14178 (append_use): Likewise.
14179 (append_v_may_def): Likewise.
14180 (append_v_must_def): Likewise.
14181 (add_call_clobber_ops): Likewise.
14182 (add_call_read_ops): Likewise.
14183 (add_stmt_operand): Likewise.
14184 (add_virtual_operand): Likewise.
14185 (build_ssa_operands): Likewise.
14187 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14189 PR middle-end/26022
14191 PR middle-end/24437
14192 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14193 with a call expr to ...
14194 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14196 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14198 * tree-vrp.c (extract_range_from_assert): Remove special
14199 handling for types with super-types.
14201 2006-03-01 Ben Elliston <bje@au.ibm.com>
14203 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14204 and powerpc64-*-linux* configurations.
14205 * config/t-dfprules: New file.
14207 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14208 Compile dfp-bit.c from the source directory using -DWIDTH and
14209 $DFP_CFLAGS to control the compilation of that file, rather than
14210 generating width-specific versions in the build directory.
14211 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14212 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14214 2006-02-28 Zack Weinberg <zackw@panix.com>
14216 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14219 2006-02-28 Eric Christopher <echristo@apple.com>
14221 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14222 Set up IN_LIBGCC definition of TARGET_64BIT.
14223 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14225 2006-02-28 Roger Sayle <roger@eyesopen.com>
14227 PR middle-end/14752
14228 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14229 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14230 cases via the construction of "expr != 0".
14232 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14234 * alias.c (alias_invariant, alias_invariant_size): Remove.
14235 (record_base_value): Remove.
14236 (memrefs_conflict_p): Don't look at alias_invariant.
14237 (end_alias_analysis): Don't free it.
14238 * alias.h (record_base_value): Remove prototype.
14240 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14241 Adam Nemet <anemet@caviumnetworks.com>
14243 * rtl.h (truncated_to_mode): Declare it.
14244 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14245 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14246 (RTL_HOOKS_INITIALIZER): Include it.
14247 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14248 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14249 reg_truncated_to_mode.
14250 * rtlanal.c (truncated_to_mode): Define it.
14251 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14253 2006-02-28 Jeff Law <law@redhat.com>
14255 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14256 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14257 the range allowed by TYPE_PRECISION.
14259 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14261 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14263 PR tree-optimization/26419
14264 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14267 2006-02-27 Zack Weinberg <zackw@panix.com>
14269 * doc/md.texi: Fix typo in previous change.
14271 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14275 2006-02-27 Zack Weinberg <zackw@panix.com>
14277 * rtl.def (define_constraint, define_register_constraint)
14278 (define_memory_constraint, define_address_constraint): New MD forms.
14279 * gensupport.c (process_rtx): Put define_constraint etc on the
14281 * genpreds.c (process_define_predicate): Adjust comment. Validate
14282 the name, and call validate_exp to validate the expression.
14283 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14284 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14285 all callers changed.
14286 (validate_exp, needs_variable, struct constraint_data)
14287 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14288 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14289 (const_dbl_constraints, constraint_max_namelen)
14290 (have_register_constraints, have_memory_constraints)
14291 (have_address_constraints, have_address_constraints)
14292 (have_extra_constraints, have_const_int_constraints)
14293 (have_const_dbl_constraints, mangle, add_constraint)
14294 (process_define_constraint, process_define_register_constraint)
14295 (write_enum_constraint_num, write_lookup_constraint)
14296 (write_insn_constraint_len, write_regclass_for_constraint)
14297 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14298 (write_insn_extra_memory_constraint)
14299 (write_insn_extra_address_constraint)
14300 (write_satisfies_constraint_fns): New.
14301 (write_tm_preds_h): If we have new-style constraint definitions,
14302 prototype the functions generated from them, and define the
14303 old constraint interface (still used by generic code) in terms of
14305 (write_insn_preds_c): If we have new-style constraint definitions,
14306 generate all relevant functions from those definitions.
14307 (main): Handle define_constraint etc.
14308 * genoutput.c (struct constraint_data, indep_constraints)
14309 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14310 (mdep_constraint_len): New data structures and functions, defined
14311 #ifdef USE_MD_CONSTRAINTS.
14312 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14313 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14314 use new logic to validate operand constraints against constraint
14316 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14318 * defaults.h: If none of the old-style constraint macros are
14319 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14320 old-style macros; and poison REG_CLASS_FROM_LETTER,
14321 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14323 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14324 * doc/md.texi: Document new constraint-definition mechanism and the
14325 C interface it provides. Remove references to old mechanism
14326 elsewhere in the document.
14327 (Machine Constraints): Use pathnames relative to gcc directory,
14328 i.e. config/ARCH/FILE. Change i386 section to refer to
14329 config/i386/predicates.md; update that section to match docstrings.
14330 * doc/tm.texi: Move all documentation of the old constraint-
14331 definition macros to their own section, clearly mark as obsolete.
14333 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14334 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14336 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14337 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14338 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14339 constraint strings.
14340 (splits and peepholes): Use satisfies_constraint_*.
14341 * config/i386/i386.c (memory_address_length)
14342 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14344 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14346 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14347 scalar operation to be put back into the loop.
14349 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14352 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14353 (extract_cie_info): Handle S flag in augmentation string.
14354 (execute_cfa_program): If context->signal_frame, execute also
14355 fs->pc == context->ra instructions.
14356 (uw_frame_state_for): If context->signal_frame, don't subtract one
14357 from context->ra to find FDE.
14358 (uw_update_context_1): Set context->signal_frame to
14360 (_Unwind_GetIPInfo): New function.
14361 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14362 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14364 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14365 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14366 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14367 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14368 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14369 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14370 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14371 x86_64_fallback_frame_state): Set fs->signal_frame.
14372 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14373 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14374 (frob_update_context): Likewise. Workaround missing S flag in
14375 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14376 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14377 Remove the psw_addr + 1 hack.
14379 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14381 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14382 with aggregates here.
14383 (find_func_aliases): Remove code for &<aggregate> from here.
14385 2006-02-26 Roger Sayle <roger@eyesopen.com>
14387 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14388 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14389 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14390 as (X & C) ne/eq 0.
14392 2006-02-26 Roger Sayle <roger@eyesopen.com>
14394 PR middle-end/19983
14395 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14397 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14399 * opts.c (decode_options): Do not handle flag_strength_reduce.
14400 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14401 and OPT_fstrength_reduce.
14402 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14403 flag_prefetch_loop_arrays for being nonzero.
14404 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14406 (fprefetch-loop-arrays-rtl): Removed.
14407 (flag_prefetch_loop_arrays): Do not specify the value.
14409 * doc/passes.texi: Update documentation of loop optimizer
14411 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14412 -frerun-loop-opt): Remove.
14414 2006-02-26 Richard Guenther <rguenther@suse.de>
14416 PR tree-optimization/26421
14417 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14418 in function calls that are ADDR_EXPRs as using the whole structure.
14420 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14422 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14423 * tree-pass.h (pass_loop_optimize): Remove.
14424 * passes.c (pass_loop_optimize): Never run it.
14425 * toplev.c (backend_init): Don't call init_loop.
14426 * opts.c (flag_loop_optimize_set): Remove.
14427 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14428 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14429 the old RTL loop optimizer when profiling enabled.
14430 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14431 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14432 pre-headers for the sake of the old RTL loop optimizer.
14433 * Makefile.in: Remove all references to loop.o.
14435 * doc/invoke.texi: Remove all references to -floop-optimize
14436 and -frerun-loop-opt.
14438 2006-02-26 Zack Weinberg <zackw@panix.com>
14440 * doc/md.texi (Machine Constraints): Refer to all files with paths
14441 relative to gcc directory (i.e. config/CPU/file). Add missing
14442 @table @code ... @end table to M32C subsection.
14444 2006-02-26 Roger Sayle <roger@eyesopen.com>
14446 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14448 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14450 2006-02-26 Roger Sayle <roger@eyesopen.com>
14451 James A. Morrison <phython@gcc.gnu.org>
14453 PR middle-end/21137
14454 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14455 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14456 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14457 signedness of the shift operation.
14459 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14461 PR tree-optimization/26359
14462 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14464 2006-02-25 Roger Sayle <roger@eyesopen.com>
14466 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14467 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14468 as X == 0, and some symmetry related transformations.
14469 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14471 2006-02-25 Roger Sayle <roger@eyesopen.com>
14473 PR middle-end/23673
14474 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14475 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14476 symmetry related transformations. Fold (X^C1) == C2 as
14479 2006-02-25 Juergen Weigert <jw@suse.de>
14480 Richard Guenther <rguenther@suse.de>
14482 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14484 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14486 * combine.c (gen_lowpart_or_truncate): Call
14487 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14489 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14491 * doc/invoke.texi: Move -fopenmp description to "Options for
14493 Remove reference to -lgomp.
14495 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14497 * doc/install.texi: Require GNU tar version 1.14.
14499 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14501 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14502 * doc/invoke.texi (C++ Dialect Options): Document
14503 -fno-use-cxa-get-exception-ptr.
14504 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14505 * configure: Regenerate.
14506 * c.opt (fuse-cxa-get-exception-ptr): New.
14507 * c-opts.c (c_common_handle_option): Handle
14508 OPT_fuse_cxa_get_exception_ptr.
14509 * c-common.c (flag_use_cxa_atexit): Update documentation.
14510 (flag_use_cxa_get_exception_ptr): New.
14511 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14512 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14514 (C_COMMON_OVERRIDE_OPTIONS): New.
14516 2006-02-24 Roger Sayle <roger@eyesopen.com>
14518 PR middle-end/24952
14519 * combine.c (try_combine): Explicitly check whether GET_CODE is
14520 a SET or a CLOBBER, instead on checking that it isn't a USE.
14522 2006-02-24 Roger Sayle <roger@eyesopen.com>
14524 * fold-const.c (fold_comparison): New subroutine of fold_binary
14525 containing transformations common to both the equality and
14526 ordering relational operators, factored out of fold_binary.
14527 (fold_binary): Separate out the equality operators (EQ_EXPR
14528 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14529 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14530 transformations common to both.
14531 (fold_div_compare): Fix latent bugs in the previously unreachable
14532 LT_EXPR and GE_EXPR cases.
14534 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14536 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14537 decl libname for clog to __clog on AIX.
14539 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14541 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14544 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14545 output traceback table for thunks. Localise rs6000_stack_info call.
14547 2006-02-23 Roger Sayle <roger@eyesopen.com>
14548 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14550 * gthr-posix.h (__gthrw): Fix typo in comment.
14552 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14554 * doc/cpp.texi (Character sets): Document that we do support
14555 input files to be in any character set.
14557 2006-02-23 Jeff Law <law@redhat.com>
14559 * tree.h (PHI_ARG_NONZERO): Remove.
14560 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14561 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14562 node to the new node.
14564 PR tree-optimization/26425
14565 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14566 min/max, then assume its varying.
14568 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14570 PR rtl-optimization/26316
14571 * rtlanal.c (enum may_trap_p_flags): New.
14572 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14573 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14574 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14575 (may_trap_after_code_motion_p): New function.
14576 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14577 (find_invariant_insn): Use may_trap_after_code_motion_p.
14578 * rtl.h (may_trap_after_code_motion_p): Declare.
14580 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14582 * emit-rtl.c (immed_double_const): Cleanup.
14584 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14586 Fix PR tree-optimization/26376
14587 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14590 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14592 PR middle-end/26412
14593 * gimplify.c (omp_add_variable): Guard variable size decl test with
14594 DECL_SIZE (decl) check.
14596 2006-02-23 Richard Guenther <rguenther@suse.de>
14598 PR middle-end/26439
14599 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14600 like aggregate types.
14602 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14604 * configure.ac: Add --with{,out}-long-double-128 configure option.
14605 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14606 * configure: Rebuilt.
14607 * config.in: Rebuilt.
14608 * doc/install.texi (Options specification): Document
14609 --with-long-double-128.
14611 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14612 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14613 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14614 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14616 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14618 * config/s390/s390.c (override_options): Handle
14619 TARGET_DEFAULT_LONG_DOUBLE_128.
14621 * config/alpha/alpha.c (override_options): Handle
14622 TARGET_DEFAULT_LONG_DOUBLE_128.
14624 * config/sparc/sparc.c (sparc_override_options): Handle
14625 TARGET_DEFAULT_LONG_DOUBLE_128.
14627 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14629 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14630 (real-install-headers-tar, real-install-headers-cpio)
14631 (real-install-headers-cp): New targets.
14633 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14635 * tree.h (variable_section): Delete.
14636 * varasm.c (variable_section): Delete.
14638 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14640 * install.texi: Add notes on install.texi2html.
14641 (Building in parallel): Do not use footnotes.
14643 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14646 * doc/install.texi (Configuration): Document --disable-libgomp.
14648 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14650 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14652 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14654 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14655 (vec_extractv2df_0_sse): New.
14657 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14659 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14660 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14661 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14662 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14663 to the result of the expression.
14664 (def_cfa_1): Adjust.
14665 (frame_pointer_cfa_offset): Rename to...
14666 (frame_pointer_fb_offset): ... this. Adjust all uses.
14667 (convert_cfa_to_loc_list): Rename to...
14668 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14669 Pass it on to build_cfa_loc.
14670 (compute_frame_pointer_to_cfa_displacement): Rename to...
14671 (compute_frame_pointer_to_fb_displacement): ... this. New
14672 offset parameter. Use it in computation.
14673 (gen_subprogram_die): Compute cfa_fb_offset with the new
14674 macro, and use it to compute the fb loc list and the
14677 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14679 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14680 replaced with register_operand.
14681 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14682 non-DREG is expensive.
14683 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14684 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14687 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14689 * doc/install.texi2html: Use set -e.
14691 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14693 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14694 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14695 * doc/invoke.texi (-fshared-data): Delete.
14696 * common.opt (fshared-data): Delete.
14697 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14698 (assemble_static_space): Remove #if 0 code.
14699 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14700 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14701 * config/cris/cris.h: Remove FIXME.
14703 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14705 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14708 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14710 PR middle-end/26379
14711 * combine.c (simplify_shift_const_1): Disable nested shifts
14712 optimization for vector shifts.
14714 2006-02-20 Roger Sayle <roger@eyesopen.com>
14716 PR tree-optimization/26361
14717 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14718 of unsigned integer types.
14720 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14722 * tree-chrec.c (eq_evolutions_p): New.
14723 * tree-chrec.h (eq_evolutions_p): Declared.
14724 * tree-data-ref.c: Fix formatting.
14725 (datadep_stats, dependence_stats): New.
14727 (print_direction_vector): New.
14728 (dump_data_dependence_relation): Use print_direction_vector.
14729 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14730 (compute_subscript_distance): Static.
14731 (initialize_data_dependence_relation): Static. Get the number
14732 of loops surrounding the references from the callers, and initialize
14733 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14734 base_object_differ_p analyzers.
14735 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14736 compute_overlap_steps_for_affine_1_2,
14737 analyze_subscript_affine_affine): Count the classified dependences.
14738 Print a message when a test failed.
14739 (can_use_analyze_subscript_affine_affine): New.
14740 (analyze_siv_subscript): Compute the data dependences on symbolic
14741 scevs that verify can_use_analyze_subscript_affine_affine.
14742 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14743 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14744 Handle symbolic scevs.
14745 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14747 (subscript_dependence_tester): Moved...
14748 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14749 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14750 DDR_SIZE_VECT instead of getting it in parameter.
14751 (subscript_dependence_tester): ... here. Take as a parameter
14752 loop_nest_depth. Call build_classic_dist_vector and
14753 build_classic_dir_vector.
14754 (compute_affine_dependence): Update subscript_dependence_tester
14755 parameters. Update datadep_stats counters. Call
14756 compute_subscript_distance.
14757 (compute_self_dependence): Save the dist and dir vectors. Call
14758 compute_subscript_distance.
14759 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14760 (compute_all_dependences): Reorder parameters as they were before
14761 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14762 compute_subscript_distance. Update the use of
14763 compute_affine_dependence and initialize_data_dependence_relation.
14764 (find_data_references_in_loop): Handle COMPONENT_REF.
14765 (compute_data_dependences_for_loop): Initialize dependence_stats.
14766 Don't call build_classic_dist_vector and build_classic_dir_vector.
14767 Update the parameters of initialize_data_dependence_relation and
14768 compute_all_dependences. Print the statistics from datadep_stats.
14769 (analyze_all_data_dependences): Static. Not used until the pass for
14770 checking the data dependences is contributed.
14771 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14772 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14773 (initialize_data_dependence_relation, compute_affine_dependence,
14774 analyze_all_data_dependences, compute_subscript_distance): Removed.
14775 (print_direction_vector): New.
14776 * lambda.h (gcd): ... here.
14777 (lambda_vector_gcd): Moved here from gcd_vector.
14778 * lambda-code.c (gcd, gcd_vector): Removed.
14779 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14780 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14782 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14784 * ipa-type-escape.c: Tidy some comments and white space.
14785 * tree-ssa-operands.c: Likewise.
14787 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14790 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14791 (dump_decl_name): Do not walk the decl tree chains.
14792 * tree-pass.h (TDF_CHAIN): Remove.
14794 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14796 * Makefile.in (C): Remove
14798 (.PHONY): Remove C and PROTO
14800 2006-02-20 Roger Sayle <roger@eyesopen.com>
14802 PR middle-end/26236
14803 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14804 deprecated CHAR_TYPE tree code.
14806 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14808 * configure.ac (target_list): Add install-info, dvi, html.
14809 * configure: Regenerate.
14811 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14812 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14813 treelang/Make-lang.in: Do not use double-colon rules.
14815 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14817 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14818 (TMT_USED_ALONE): New macro.
14819 * tree-pass.h (PROP_tmt_usage): New property.
14820 (TODO_update_tmt_usage): New todo.
14821 * tree-ssa-alias.c (updating_used_alone): New variable.
14822 (recalculate_used_alone): New function.
14823 (compute_may_aliases): Set updating_used_alone, call
14824 recalculate_used_alone.
14825 * tree-sra.c (pass_sra): Note that this pass destroys
14826 PROP_tmt_usage, and add TODO_update_tmt_usage.
14827 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14828 * tree-flow.h (updating_used_alone): Prototype.
14829 (recalculate_used_alone): Ditto.
14830 * passes.c (execute_todo): Add code to set updating_used_alone,
14831 and call recalculate.
14832 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14833 for clobber if used alone, and add assert to verify used_alone
14836 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14838 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14839 for non tls symbols added.
14840 (legitimize_address): Do nothing for PLUS expressions if one of the
14841 addends is a tls symbol reference.
14843 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14847 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14849 * Makefile.in (BOOTSTRAPPING): New.
14850 (quickstrap): New definition if BOOTSTRAPPING=yes.
14852 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14853 * configure.ac: Substitute all_selected_languages with the languages
14854 that were configured. For all the other variables except
14855 lang_specs_files, include all the languages in the tree.
14856 * configure: Regenerate.
14858 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14859 if there is one. Run the commands to run fixincludes in the same
14862 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14863 * doc/install.texi: Document exact conventions for searching target tools.
14864 Document --with-build-time-tools. Document toplevel bootstrap. Document
14865 something more about building an Ada cross-compiler. Don't list GNU Make
14866 requirements which affect all platforms.
14868 2006-02-19 Roger Sayle <roger@eyesopen.com>
14870 PR middle-end/19543
14871 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14872 only equivalent if the have both the same mode and precision.
14874 2006-02-20 Ben Elliston <bje@au.ibm.com>
14876 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14878 2006-02-19 Roger Sayle <roger@eyesopen.com>
14879 Steven Bosscher <stevenb.gcc@gmail.com>
14881 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14882 constant pool references to identify stack mode constants.
14883 * rtlanal.c (constant_pool_constant_p): New predicate to check
14884 whether operand is a floating point constant in the pool.
14885 * rtl.h (constant_pool_constant_p): Prototype here.
14886 * loop.c (scan_loop): Avoid hoisting constants from the constant
14887 pool on STACK_REGS targets.
14888 (load_mems): Likewise.
14889 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14890 loads into x87 registers expensive in terms of register pressure.
14892 2006-02-19 Roger Sayle <roger@eyesopen.com>
14894 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14895 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14897 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14899 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14900 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14902 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14904 * doc/invoke.texi: Document -fipa-pta.
14905 * common.opt: Add ipa-pta option.
14906 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14907 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14908 (do_ds_constraint): Ditto.
14909 (get_constraint_for): Only add to referenced_vars if
14910 referenced_vars exists.
14911 (insert_into_field_list): Rewrite to do this unsorted.
14912 (insert_into_field_list_sorted): Rename old insert_into_field_list
14914 (create_function_info_for): Use insert_into_field_list_sorted.
14915 (create_variable_info_for): Rewrite so it uses unsorted version,
14916 since the field list is sorted.
14917 (intra_create_variable_infos): Only add to referenced_vars if
14918 referenced_vars exists.
14919 (ipa_pta_execute): Init heapvars, and delete when done.
14920 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
14922 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14924 * doc/install.texi: Add missing `@samp'.
14926 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
14928 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
14931 2006-02-18 Mark Wielaard <mark@klomp.org>
14933 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
14934 who added new 4.1 features, bug fixes and integration support.
14936 2006-02-18 David Edelsohn <edelsohn@gnu.org>
14939 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
14940 MEM for ABI_V4 pic.
14942 2006-02-18 Richard Sandiford <richard@codesourcery.com>
14944 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
14945 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
14946 (copy_insn_1): Likewise. Don't copy each field individually.
14948 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
14950 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
14951 * rtl.c (rtx_size): Rename variable to...
14952 (rtx_code_size): ...this.
14953 (rtx_size): New function.
14954 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
14955 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
14957 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
14958 * rtl.h (rtx_code_size): New variable.
14959 (rtx_size): Change from a variable to a function.
14960 (RTX_SIZE): Rename to...
14961 (RTX_CODE_SIZE): ...this.
14964 PR tree-optimization/17106
14965 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
14966 (Anchored Addresses): New section.
14967 * doc/invoke.texi (-fsection-anchors): Document.
14968 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
14969 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
14970 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
14971 * hooks.c (hook_bool_mode_rtx_false): New function.
14972 * hooks.h (hook_bool_mode_rtx_false): Declare.
14973 * gengtype.c (create_optional_field): New function.
14974 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
14975 SYMBOL_REF_IN_BLOCK_P is true.
14976 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
14977 (min_anchor_offset, max_anchor_offset): Likewise.
14978 (use_anchors_for_symbol_p): New hook.
14979 * toplev.c (compile_file): Call output_object_blocks.
14980 (target_supports_section_anchors_p): New function.
14981 (process_options): Check that -fsection-anchors is only used on
14982 targets that support it and when -funit-at-a-time is in effect.
14983 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
14984 if the decl doesn't have one.
14985 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
14986 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
14987 of force_const_mem through use_anchored_address.
14988 (expand_expr_constant): New function.
14989 (expand_expr_addr_expr_1): Call it. Use the same modifier when
14990 calling expand_expr for INDIRECT_REF.
14991 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
14992 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
14993 * expr.h (use_anchored_address): Declare.
14994 * loop-unroll.c: Don't declare rtx vectors here.
14995 * explow.c: Include output.h.
14996 (validize_mem): Call use_anchored_address.
14997 (use_anchored_address): New function.
14998 * common.opt (-fsection-anchors): New switch.
14999 * varasm.c (object_block_htab, anchor_labelno): New variables.
15000 (hash_section, object_block_entry_eq, object_block_entry_hash)
15001 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15002 (use_blocks_for_decl_p, change_symbol_section): New functions.
15003 (get_variable_section): New function, split out from assemble_variable.
15004 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15005 use_blocks_for_decl_p say so. Use change_symbol_section if the
15006 symbol has already been created.
15007 (assemble_variable_contents): New function, split out from...
15008 (assemble_variable): ...here. Don't output any code for
15009 block symbols; just pass them to place_block_symbol.
15010 Use get_variable_section and assemble_variable_contents.
15011 (get_constant_alignment, get_constant_section, get_constant_size): New
15012 functions, split from output_constant_def_contents.
15013 (build_constant_desc): Create a block symbol if use_object_blocks_p
15014 says so. Or into SYMBOL_REF_FLAGS.
15015 (assemble_constant_contents): New function, split from...
15016 (output_constant_def_contents): ...here. Don't output any code
15017 for block symbols; just pass them to place_section_symbol.
15018 Use get_constant_section and get_constant_alignment.
15019 (force_const_mem): Create a block symbol if use_object_blocks_p and
15020 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15021 (output_constant_pool_1): Add an explicit alignment argument.
15022 Don't switch sections here.
15023 (output_constant_pool): Adjust call to output_constant_pool_1.
15024 Switch sections here instead. Don't output anything for block symbols;
15025 just pass them to place_block_symbol.
15026 (init_varasm_once): Initialize object_block_htab.
15027 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15028 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15029 (place_block_symbol, get_section_anchor, output_object_block)
15030 (output_object_block_htab, output_object_blocks): New functions.
15031 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15032 (TARGET_ASM_OUT): Include it.
15033 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15034 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15035 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15036 (TARGET_INITIALIZER): Include them.
15037 * rtl.c (rtl_check_failed_block_symbol): New function.
15038 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15039 (block_symbol, object_block): New structures.
15040 (rtx_def): Add a block_symbol field to the union.
15041 (BLOCK_SYMBOL_CHECK): New macro.
15042 (rtl_check_failed_block_symbol): Declare.
15043 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15044 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15045 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15046 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15047 * output.h (output_section_symbols): Declare.
15048 (object_block): Name structure.
15049 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15050 (default_use_anchors_for_symbol_p): Declare.
15051 * Makefile.in (RTL_BASE_H): Add vec.h.
15052 (explow.o): Depend on output.h.
15053 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15054 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15055 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15056 (rs6000_use_blocks_for_constant_p): New function.
15058 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15060 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15062 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15065 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15068 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15070 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15074 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15076 PR middle-end/26334
15077 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15078 instead of DECL_REGISTER.
15080 2006-02-18 Olivier Hainque <hainque@adacore.com>
15083 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15085 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15088 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15089 * opth-gen.awk: Handle Var and InverseMask together.
15090 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15091 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15092 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15093 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15095 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15096 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15097 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15098 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15099 LINUX_DYNAMIC_LINKER): Define.
15100 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15101 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15103 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15104 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15105 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15107 (TARGET_C99_FUNCTIONS): Don't define.
15108 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15109 GLIBC_DYNAMIC_LINKER.
15110 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15111 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15112 GLIBC_DYNAMIC_LINKER64): Define.
15113 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15114 LINUX_DYNAMIC_LINKER64.
15115 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15116 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15117 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15118 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15119 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15120 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15121 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15122 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15123 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15124 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15125 and LINUX_DYNAMIC_LINKER32.
15126 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15127 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15128 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15129 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15130 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15132 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15133 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15134 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15135 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15136 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15137 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15138 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15139 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15140 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15141 LINUX_DYNAMIC_LINKER): Define.
15142 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15143 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15144 GLIBC_DYNAMIC_LINKER64): Define.
15145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15146 LINUX_DYNAMIC_LINKER64.
15147 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15148 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15149 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15150 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15151 LINUX_DYNAMIC_LINKER): Define.
15152 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15153 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15154 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15155 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15156 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15157 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15158 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15159 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15160 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15161 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15162 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15163 * doc/invoke.texi (-muclibc): Remove caveat about supported
15166 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15168 * doc/cpp.texi (__TIMESTAMP__): Document.
15170 2006-02-17 Roger Sayle <roger@eyesopen.com>
15172 PR middle-end/25600
15173 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15174 C is one less than the width of X (and related transformations).
15175 * simplify-rtx.c (simplify_unary_operation_1): Transform
15176 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15177 depending on STORE_FLAG_VALUE, were C is one less then the
15180 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15182 Fix PR tree-optimization/26341
15183 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15184 about NAME_MEMORY_TAG's.
15186 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15189 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15190 with hardware float support, and software float support. Add fcpy
15191 alternative to hardware patterns. Add alternatives to copy between
15192 general and floating-point registers to the 32-bit pattern.
15193 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15194 secondary reload to load a QI or HI mode constant into a floating
15196 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15197 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15199 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15202 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15204 (load_macho_picbase_di): Likewise.
15206 2006-02-16 Jeff Law <law@redhat.com>
15208 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15209 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15210 (ssa_name_nonzero_p): Likewise.
15211 (get_value_range): Return NULL if VRP is not running.
15212 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15213 VRP routines do not discover a range.
15214 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15215 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15216 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15217 (tree_expr_nonnegative_p): Similarly.
15218 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15219 (restore_nonzero_vars_to_original_value): Remove.
15220 (unsafe_associative_fp_binop): Remove.
15221 (tree_ssa_dominator_optimize): Remove initialization and
15222 finalization of nonzero_vars and nonzero_vars_stack.
15223 (dom_opt_initialize_block): No longer push marker on
15224 nonzero_vars_stack.
15225 (dom_opt_finalize_block): No longer call
15226 restore_nonzero_vars_to_original_value.
15227 (record_equivalences_from_phis): No longer look for
15228 nonzero PHI arguments.
15229 (cprop_into_successor_phis): No longer propagate nonzero
15230 property into PHI arguments. Lose unused argument. Caller
15232 (record_equivalences_from_stmt): No longer record nonzero
15233 values for SSA_NAMEs.
15234 (lookup_avail_expr): No longer use nonzero_vars.
15236 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15237 for sizetype when sizetype is unsigned.
15239 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15241 PR rtl-optimization/25603
15242 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15243 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15244 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15245 with new meaning of SETS.
15247 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15252 * config/linux.opt: New file.
15253 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15254 LINUX_DYNAMIC_LINKER): Define.
15255 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15256 * config.gcc (*-*-linux*): Define extra_options.
15257 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15258 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15259 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15260 GLIBC_DYNAMIC_LINKER.
15261 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15262 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15263 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15265 * doc/invoke.texi (GNU/Linux Options): New section.
15267 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15269 * config/sparc/sparc.md (setjmp): Rewrite.
15270 (setjmp_32): Delete.
15271 (setjmp_64): Likewise.
15273 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15275 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15278 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15280 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15283 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15285 PR rtl-optimization/26296
15286 * Makefile.in (loop-invariant.c): Add except.h dependency.
15287 * loop-invariant.c: Include except.h.
15288 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15290 2005-02-16 Paul Brook <paul@codesourcery.com>
15292 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15295 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15297 PR rtl-optimization/25636
15298 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15299 when deciding whether an insn is an initializing insn.
15301 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15303 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15304 (tree_code_size): Ditto.
15305 * tree.h (struct tree_memory_tag): Remove parent_var.
15306 (struct tree_struct_field_tag): New.
15309 (union tree_node): Add sft member.
15310 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15312 (create_sft): Add size and offset argument, set SFT_OFFSET and
15314 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15315 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15316 * tree-flow-inline.h (get_subvar_at): Update for
15317 SFT_OFFSET/SFT_SIZE.
15318 (var_can_have_subvars): Ditto.
15319 (overlap_subvar): Ditto.
15320 * print-tree.c (print_node): Print out interesting things for
15322 * tree-flow.h (struct subvar): Remove offset and size members.
15323 * tree-ssa-operands.c (get_expr_operands): Update for
15324 get_indirect_ref_operands changes.
15325 (get_indirect_ref_operands): Call add_virtual_operand instead of
15326 add_stmt_operand. Only recurse on base var if requested.
15327 (access_can_touch_variable): New function.
15328 (add_stmt_operand): Split virtual operand handling into ...
15329 (add_virtual_operand): Here. Add offset, size, and for_clobber
15330 arguments. Prune alias sets.
15331 (add_call_clobber_ops): Call add_virtual_operand.
15333 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15335 PR middle-end/26300
15336 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15338 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15339 than TREE_CODE as index into omp_clause_num_ops array.
15341 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15343 PR rtl-optimization/26184
15344 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15346 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15347 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15348 must_precede, must_follow and tobe_scheduled.
15351 * opts.c (common_handle_option): Free new_option pointer.
15352 * df-core.c (df_analyze): Free postorder pointer.
15354 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15356 * Makefile.in: Fix the examples about the use of stamps
15358 2006-02-15 Michael Matz <matz@suse.de>
15360 PR middle-end/22275
15362 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15363 influenced by maximum_field_alignment or DECL_PACKED.
15364 (update_alignment_for_field): Ditto.
15365 (place_field): Ditto.
15366 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15369 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15371 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15372 (debug_flow_info): Pass it.
15373 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15374 * bb-reorder.c (reorder_basic_blocks): Likewise.
15375 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15376 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15377 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15378 * gcse.c (gcse_main, bypass_jumps): Likewise.
15379 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15380 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15381 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15382 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15383 * rtl.h (dump_flow_info): Adjust prototype.
15384 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15385 * var-tracking.c (variable_tracking_main): Likewise.
15386 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15387 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15390 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15392 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15395 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15397 PR tree-optimization/26209
15398 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15399 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15401 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15403 2006-02-14 Roger Sayle <roger@eyesopen.com>
15405 PR middle-end/23670
15406 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15407 (X,Y) and the corresponding symmetry related transformations.
15408 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15409 (X,Y) and its symmetry related transformations.
15411 2006-02-14 Roger Sayle <roger@eyesopen.com>
15413 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15416 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15418 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15420 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15423 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15424 support COMDAT group.
15425 * configure: Regenerate.
15427 2006-02-14 Roger Sayle <roger@eyesopen.com>
15429 PR middle-end/26279
15430 PR middle-end/26280
15431 PR middle-end/26283
15432 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15434 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15436 Fix PR tree-optimization/26260
15438 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15440 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15441 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15442 * tree-ssa-structalias.c (create_variable_info_for): Use
15443 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15445 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15447 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15449 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15450 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15451 of the ending condition.
15452 * tree-ssa-loop-manip.c: Include params.h.
15453 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15454 tree_unroll_loop): New functions.
15455 * tree-pass.h (pass_loop_prefetch): Declare.
15456 * loop.c (rest_of_handle_loop_optimize): Test for
15457 -fprefetch-loop-arrays-rtl.
15458 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15459 * timevar.def (TV_TREE_PREFETCH): New timevar.
15460 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15461 pass_loop_prefetch): New.
15462 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15463 (cleanup_tree_cfg_loop): Call scev_reset.
15464 * common.opt (fprefetch-loop-arrays-rtl): Add.
15465 * tree-ssa-loop-prefetch.c: New file.
15466 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15467 (new_temp_expr_table): Initialize expr_vars.
15468 (free_temp_expr_table): Cleanup expr_vars.
15469 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15470 expressions from being merged into one.
15471 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15472 (struct tree_niter_desc): Add control, bound and cmp fields.
15473 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15475 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15476 (tree-cfgcleanup.o): Add SCEV_H dependency.
15477 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15478 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15480 2006-02-14 Richard Guenther <rguenther@suse.de>
15482 PR tree-optimization/26258
15483 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15484 in PHI argument processing.
15486 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15488 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15489 new expression in the requested machine mode.
15491 2006-02-13 Roger Sayle <roger@eyesopen.com>
15493 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15494 directly, instead let do_compare_rtx_and_jump handle this for us.
15495 * expr.c (expand_expr_real_1): Likewise.
15496 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15497 before do_jump_by_parts_greater.
15498 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15499 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15501 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15503 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15505 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15507 PR rtl-optimization/26235
15508 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15509 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15512 2006-02-13 Jeff Law <law@redhat.com>
15514 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15517 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15519 PR middle-end/26092
15520 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15521 twice if decl is a builtin. When trying again, call get_callee_fndecl
15522 first to verify it is still a builtin.
15524 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15526 * dwarf2out.c (base_type_die): Don't add AT_name here.
15527 (subrange_type_die): Don't add AT_name here.
15528 (modified_type_die): Rearrange code flow. Do add AT_name here.
15530 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15532 PR rtl-optimization/26247
15533 PR rtl-optimization/26248
15534 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15536 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15538 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15539 * config/fixtfdi.c: Likewise.
15540 * config/fixunstfdi.c: Likewise.
15541 * config/floatditf.c: Likewise.
15543 2006-02-13 Roger Sayle <roger@eyesopen.com>
15545 PR middle-end/24427
15546 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15547 into (X,C2) if C1 is a subset of the bits of C2. Transform
15548 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15550 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15552 2006-02-13 Josh Conner <jconner@apple.com>
15555 * varasm.c (function_section): Check for section name before
15556 calling select_section on targets that define
15557 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15558 unlikely_text_section instead of hot_function_section if
15559 first_function_block_is_cold.
15561 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15563 PR middle-end/25335
15564 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15566 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15568 PR rtl-optimization/26222
15569 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15570 after tree->rtl expansion.
15571 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15572 before passing it to emit_move_insn.
15574 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15576 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15578 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15579 Clarify documentation.
15580 * c-common.h (warn_write_strings): Remove.
15581 * c-common.c (warn_write_strings): Likewise.
15582 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15585 2006-02-12 Roger Sayle <roger@eyesopen.com>
15587 PR middle-end/25724
15588 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15589 (do_jump_parts_zero_rtx): New function renamed from
15590 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15591 (do_jump_parts_equality_rtx): New function split out from
15592 do_jump_parts_equality. Old implementation renamed as above.
15593 Call do_jump_parts_zero_rtx if either operand is zero.
15594 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15595 do all of the heavy lifting.
15596 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15597 calling either do_jump_by_parts_greater_rtx or
15598 do_jump_by_parts_equality_rtx.
15599 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15600 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15601 moved to do_compare_rtx_and_jump, call it directly.
15602 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15603 mode argument. Call do_compare_rtx_and_jump.
15604 (emit_case_nodes): Update calls to do_jump_if_equal.
15606 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15608 PR rtl-optimization/26225
15609 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15611 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15613 PR rtl-optimization/26232
15614 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15616 2006-02-11 Jason Merrill <jason@redhat.com>
15619 * tree-inline.c (declare_return_variable): Just don't use the
15620 modify target if it's a gimple complex reg and the return slot
15623 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15625 * doc/contrib.texi: Update my entry.
15627 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15629 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15631 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15633 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15636 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15638 * doc/invoke.texi (-floop-optimize2): Removed.
15639 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15640 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15641 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15642 * common.opt (floop-optimize2): Removed.
15643 (fmove-loop-invariants): Enabled by default.
15645 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15647 * tree-if-conv.c (combine_blocks): Free the result of
15648 get_loop_exit_edges.
15650 2006-02-10 Jeff Law <law@redhat.com>
15652 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15654 PR tree-optimization/26213
15655 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15656 loop trying to follow SSA_NAME_VALUE chains.
15658 2006-02-10 Richard Guenther <rguenther@suse.de>
15660 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15661 deal with structures that end in implicitly variable sized arrays.
15663 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15665 PR rtl-optimization/24762
15666 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15669 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15671 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15672 (struct ivopts_data): Add regs_used field.
15673 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15674 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15675 instead of loop_data->regs_used;
15676 (free_loop_data): Do not free aux fields for loops.
15677 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15678 and tree_ssa_iv_optimize_finalize.
15680 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15682 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15684 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15687 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15688 computing the effective result type.
15690 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15692 PR inline-asm/16194
15693 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15694 (tree_overlaps_hard_reg_set): Declare.
15695 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15696 type and signature to match function type expected by walk_tree.
15697 (tree_overlaps_hard_reg_set): New function.
15698 (decl_conflicts_with_clobbers_p): Rename to:
15699 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15700 Use tree_overlaps_hard_reg_set. Changed caller.
15701 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15702 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15703 * cris.c (cris_md_asm_clobbers): Likewise.
15705 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15707 * reload1.c (emit_input_reload_insns): Delete code that tries to
15708 inherit using find_equiv_reg.
15710 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15712 * c-common.h (flag_const_strings): Don't declare.
15713 * c-common.c (flag_const_strings): Remove.
15714 * c.opt (fconst_strings): Remove.
15715 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15716 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15717 (c_common_init_options): Don't set flag_const_strings.
15718 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15720 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15722 * arm.md (tlobits_cbranch): New pattern.
15723 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15724 testing a single bit.
15726 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15729 * tree-ssa-pre.c (create_component_ref_by_pieces):
15730 Handle RETURN_DECL like VAR_DECL.
15732 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15734 PR middle-end/26134
15735 * fold-const.c (fold_indirect_ref_1): Fold
15736 "*(foo *)&complexfoo" to "__real__ complexfoo"
15737 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15739 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15741 * tree-flow-inline.h (var_can_have_subvars):
15742 Volatile variables should not have subvariables.
15744 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15747 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15748 multiplying unsigned values.
15751 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15753 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15755 2006-02-08 Jason Merrill <jason@redhat.com>
15758 * tree.def: Elaborate on difference from MODIFY_EXPR.
15759 * doc/c-tree.texi (INIT_EXPR): Likewise.
15760 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15761 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15762 (gimplify_target_expr): Likewise.
15763 (gimplify_cond_expr): Remove target handling.
15764 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15765 (gimplify_expr): Clobber it here.
15766 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15767 Do return slot optimization if we have an INIT_EXPR.
15770 * tree-inline.c (declare_return_variable): Also clear
15771 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15774 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15776 PR middle-end/22439
15777 * gimplify.c (gimplify_one_sizepos): Fix typo.
15779 2006-02-08 Jeff Law <law@redhat.com>
15781 PR tree-optimization/21417
15782 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15783 across a backedge if the control statement at the end of the
15784 block is data dependent on other statements in the same block.
15785 (record_temporary_equivalences_from_stmts): Remove over-conservative
15786 test for threading across backedges.
15788 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15789 control statement, handle all three special cases in the same
15790 manner as they all have the same desired solution. No longer
15791 special case edge flag updating when the post dominator is
15794 2006-02-08 Roger Sayle <roger@eyesopen.com>
15796 * tree.def (CHAR_TYPE): Remove.
15797 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15798 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15799 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15800 (gen_string_type_die): Delete unreachable function.
15802 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15803 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15804 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15805 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15806 * builtins.c (type_to_class): Likewise.
15807 * fold-const.c (fold_convert, build_range_check,
15808 merge_ranges): Likewise.
15809 * expr.c (count_type_elements): Likewise.
15810 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15811 * stor-layout.c (layout_type): Likewise.
15812 * ipa-type-escape.c (type_to_consider): Likewise.
15813 * gimplify.c (omp_firstprivatize_type_sizes,
15814 gimplify_type_sizes): Likewise.
15815 * explow.c (promote_mode): Likewise.
15816 * tree-sra.c (is_sra_scalar_type): Likewise.
15817 * varasm.c (output_constant): Likewise.
15818 * tree-inline.c (remap_type_1): Likewise.
15819 * convert.c (convert_to_pointer, convert_to_real,
15820 convert_to_integer, convert_to_complex): Likewise.
15822 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15824 * df-scan.c (df_def_record_1): A set destination may
15825 be a parallel regardless of mode.
15827 2006-02-08 Roger Sayle <roger@eyesopen.com>
15830 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15831 * config/mips/_tilib.c: Remove.
15832 * config/fixtfdi.c: New libgcc source file.
15833 * config/fixunstfdi.c: New source file.
15834 * config/floatditf.c: New source file.
15835 * config/floatunditf.c: New souce file.
15836 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15837 files above instead of config/mips/_tilib.c.
15838 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15840 2006-02-08 Jeff Law <law@redhat.com>
15842 PR tree-optimization/26169
15843 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15846 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15848 * df.h (DF_REG_SIZE): Return the length of the initialized
15851 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15853 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15854 __muldf3): Return a correctly signed zero.
15856 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15858 * passes.c (register_one_dump_file): Accept the current properties
15859 instead of pass number. Adjust call to dump_register. Remove
15861 (register_dump_files): Now a wrapper around...
15862 (register_dump_files_1): ... this one. Do not modify the pass
15864 (next_pass_1): Cosmetic fix.
15865 (execute_todo): Keep second parameter only. Use curr_properties
15866 instead of fetching it from the pass structure. Check and set
15868 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15869 instead of fetching it from the pass structure. Fix calls to
15870 execute_todo. Update curr_properties and initialize .vcg RTL dump
15871 after running the pass. Reset last_verified.
15872 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15874 (FIRST_AUTO_NUMBERED_DUMP): New.
15875 (dump_register): Remove "num" parameter, assign it within the
15877 (get_dump_file_name): Modify template for dumps.
15878 * tree-dump.h (dump_register): Adjust prototype.
15879 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15880 (PROP_trees): Add PROP_gimple_lomp.
15881 (TODO_set_props): New.
15882 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15883 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15884 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15886 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15888 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15889 (sparc64-*-linux*): Likewise.
15890 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15891 * config/sparc/t-linux: New file.
15892 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15893 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15894 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15895 -m32 -mlong-double-128.
15897 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15898 * config/alpha/t-linux: New file.
15899 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15901 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15902 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15903 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15904 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15905 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15906 (CPP_ARCH32_SPEC): Remove.
15908 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15910 PR tree-optimization/26145
15911 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15914 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15917 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15918 >= 240000 when generating code for SOM runtime.
15919 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15920 to $$dyncall when generating code for SOM runtime..
15922 2006-02-07 Dirk Mueller <dmueller@suse.com>
15925 * doc/invoke.texi (-Wsequence-point): Update documentation
15926 that -Wsequence-point is implemented for C++ as well.
15928 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15930 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
15931 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
15932 (LIB_SPEC): Likewise.
15933 * doc/invoke.texi (SPARC options): Document -pthread.
15935 2006-02-07 Geoffrey Keating <geoffk@apple.com>
15937 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
15940 2006-02-07 Roger Sayle <roger@eyesopen.com>
15942 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
15943 Correct comment describing BOOLEAN_TYPE.
15945 2006-02-07 Dirk Mueller <dmueller@suse.com>
15947 * c.opt: C++ frontend supports -Wdiv-by-zero.
15948 * c-opts.c (c_common_handle_option): Remove dead case.
15950 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15952 * configure.ac (TLS assembler check): Do not enable TLS by
15953 default on SPARC/Solaris before version 10.
15954 * configure: Regenerate.
15956 2006-02-07 David Edelsohn <edelsohn@gnu.org>
15958 * doc/invoke.texi (xl-compat): Document conversion and support
15961 2006-02-07 Jeff Law <law@redhat.com>
15963 * tree-vrp.c (find_conditional_asserts): Update comments.
15964 (simplify_stmt_for_jump_threading): New.
15965 (identify_jump_threads, finalize_jump_threads): New.
15966 (vrp_finalize): Call identify_jump_threads.
15967 (execute_vrp): Call finalize_jump_threads.
15968 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
15969 (vrp_element, vrp_data, vrp_element_p): Remove.
15970 (vrp_hash_elt, vrp_variables_stack): Remove.
15971 (vrp_hash, vrp_eq, record_range): Remove.
15972 (simplify_cond_and_lookup_avail_expr): Remove.
15973 (extract_range_from_cond): Remove.
15974 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
15975 (simplify_stmt_for_jump_threading): New.
15976 (dom_thread_across_edge): New wrapper.
15977 (tree_ssa_dominator_optimize): No longer initialize or
15978 finalize any of the VRP datastructures. Remove iteration
15979 step and simplify as a result of removal of iteration step.
15980 (pass_dominator): Perform a cfg cleanup after DOM.
15981 (dom_opt_finalize_block): Use the new common routines
15982 for threading jumps. Simplify stack management slightly.
15983 No longer need to unwind VRP state.
15984 (record_equivalences_from_incoming_edge): No longer record
15986 (eliminate_redundant_computations): No longer call
15987 simplify_cond_and_lookup_avail_expr.
15988 * tree-flow.h (potentially_threadable_block): Prototype.
15989 (thread_across_edge): Likewise.
15990 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
15991 (tree-ssa-threadedge.o): Add dependencies.
15992 * tree-ssa-threadedge.c: New file.
15993 * passes.c (init_optimization_passes): Merge PHIs before
15994 calling VRP. Run VRP again late in the SSA optimization pipeline.
15996 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
15998 * df-core.c (df_set_blocks): Do not dereference function pointers.
15999 (df_finish1): Likewise.
16000 (df_hybrid_search_forward): Likewise.
16001 (df_hybrid_search_backward): Likewise.
16002 (df_iterative_dataflow): Likewise.
16003 (df_analyze_problem): Likewise.
16004 (df_compact_blocks): Likewise.
16005 (df_dump): Likewise.
16006 * df-scan.c (df_rescan_blocks): Likewise.
16007 (df_record_entry_block_defs): Likewise.
16009 * genconditions.c (write_conditions): Guard the definition of
16010 'insn_conditions' with the check on GCC version.
16011 (write_writer): Guard the traversal 'insn_conditions' with
16012 the check on GCC version.
16014 2006-02-07 Richard Guenther <rguenther@suse.de>
16018 2006-01-30 Richard Guenther <rguenther@suse.de>
16020 * gimplify.c (gimplify_target_expr): Handle easy cases
16021 without creating a temporary.
16023 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16025 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16026 use of float in probability computations. Use edge probabilities
16027 in place of statically computed probabilities.
16028 (min_spec_prob): New static variable.
16029 (schedule_insns): Initialize it.
16030 (GET_SRC_PROB): Removed.
16031 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16033 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16036 * config/ia64/unwind-ia64.c: Revert last change.
16037 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16038 (INCOMING_FRAME_SP_OFFSET): Define.
16040 2006-02-06 Roger Sayle <roger@eyesopen.com>
16042 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16044 2006-02-07 Ben Elliston <bje@au.ibm.com>
16046 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16047 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16048 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16049 (ix86_return_in_memory): Handle TDmode.
16050 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16051 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16053 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16055 * reorg.c (dbr_schedule): Use dump_file instead of file.
16057 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16060 * config/ia64/predicates.md (extr_len_operand): New predicate.
16061 * config/ia64/ia64.md (extv): Tighten constraints.
16063 (*tbit_and_2): Ditto.
16064 (*tbit_and_3): Ditto.
16065 (*tbit_or_2): Ditto.
16066 (*tbit_or_3): Ditto.
16067 (*bit_zero): Ditto.
16070 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16073 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16075 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16077 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16078 loop_optimizer_init and loop_optimizer_finalize
16079 * tree-ssa-sink.c (execute_sink_code): Ditto.
16080 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16081 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16082 tree_ssa_loop_done): Ditto.
16083 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16084 * sched-ebb.c: Include output.h.
16085 (schedule_ebbs): Do not use dump argument.
16086 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16087 * loop.c (loop_dump_stream): Removed.
16088 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16090 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16091 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16092 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16093 loop_iterations, strength_reduce, record_biv, record_giv,
16094 final_giv_value, check_final_value, check_ext_dependent_givs,
16095 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16096 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16097 dump_file instead of loop_dump_stream.
16098 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16099 argument dump_file.
16100 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16102 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16103 * haifa-sched.c: Include output.h
16104 (schedule_insns, sched_init): Do not use dump argument.
16105 * mode-switching.c (optimize_mode_switching): Ditto.
16106 * modulo-sched.c (stats_file): Removed.
16107 (print_node_sched_params): Do not call argument dump_file.
16108 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16109 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16111 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16113 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16114 rtl_loop_init, rtl_loop_done): Ditto.
16115 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16116 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16118 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16119 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16120 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16121 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16122 * emit-rtl.c (renumber_insns): Ditto.
16123 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16124 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16125 * regclass.c (regclass): Ditto.
16126 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16127 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16128 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16129 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16131 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16132 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16134 * gcse.c (gcse_file, debug_stderr): Removed.
16135 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16136 rest_of_handle_gcse): Do not use dump argument.
16137 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16138 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16139 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16140 compute_code_hoist_vbeinout, compute_code_hoist_data,
16141 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16142 compute_store_table, build_store_vectors, insert_insn_start_bb,
16143 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16144 store_motion): Use dump_file instead of gcse_file.
16145 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16146 * profile.c (profile_dump_file): Removed.
16147 (branch_prob): Use dump_file instead of profile_dump_file.
16148 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16150 * tree-ssa-copy.c (dump_copy_of): Ditto.
16151 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16152 dump file to life_analysis.
16153 * bt-load.c (branch_target_load_optimize): Ditto.
16154 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16156 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16157 regclass, dbr_schedule): Declaration changed.
16158 * sched-int.h (sched_init): Declaration changed.
16159 * tree-profile.c (tree_profile_dump_file): Removed.
16160 (tree_profile_hooks): Removed profile_dump_file hook.
16161 * rtl-profile (rtl_profile_dump_file): Removed.
16162 (rtl_profile_hooks): emoved profile_dump_file hook.
16163 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16165 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16166 * tree-cfg.c (build_tree_cfg): Ditto.
16167 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16168 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16169 Declaration changed.
16170 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16171 life_analysis and schedule_insns.
16172 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16174 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16176 * config/mips/mips.c (mips_reorg): Ditto.
16177 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16180 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16182 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16183 (s390_mangle_fundamental_type): New.
16184 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16187 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16188 (alpha_mangle_fundamental_type): New.
16189 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16192 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16194 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16196 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16197 (sparc_mangle_fundamental_type): New.
16199 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16201 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16202 (s390x-*-linux*): Likewise.
16203 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16204 * config/s390/t-linux: New file.
16206 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16208 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16209 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16211 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16213 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16214 (ANTIC_SAFE_LOADS): New macro.
16215 (find_or_generate_expression): Add prototype.
16216 (set_contains_value): Allow null set for sake of not always having
16217 to allocate ANTIC_SAFE_LOADS.
16218 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16219 Allow COMPONENT_REF too.
16220 (valid_in_set): Allow COMPONENT_REF.
16221 Check ANTIC_SAFE_LOADS too.
16222 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16223 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16225 (can_PRE_operation): Add COMPONENT_REF.
16226 (create_component_ref_by_pieces): New function.
16227 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16228 (insert_aux): Move AGGREGATE_TYPE_P check here.
16229 (compute_avail): Set bb local stmt uids.
16230 (pass_pre): Use TODO_update_ssa_only_virtuals.
16232 2006-02-06 Ben Elliston <bje@au.ibm.com>
16234 * configure.ac: Unconditionally disable decimal float by default.
16235 * configure: Regenerate.
16237 2006-02-06 Ben Elliston <bje@au.ibm.com>
16239 * read-rtl.c (read_name): Terminate reading on EOF.
16241 2006-02-06 Ben Elliston <bje@au.ibm.com>
16243 * dfp.c (decimal_real_arithmetic): Change second argument type
16244 from int to enum tree_code. Do not always return true, but now
16245 return result of any call to decimal_do helper functions.
16246 * dfp.h (decimal_real_arithmetic): Update prototype.
16248 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16250 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16252 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16255 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16258 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16260 * tree-vrp.c (cfg_loops): Removed.
16261 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16262 Use current_loops instead of cfg_loops. Pass flags to
16263 loop_optimizer_init.
16264 * cfgloopmanip.c (fix_loop_structure): Update only available
16266 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16267 loop_optimizer_init.
16268 * modulo-sched.c (build_loops_structure): Removed.
16269 (sms_schedule): Use loop_optimizer_init.
16270 * loop-init.c (loop_optimizer_init): Use flags to determine
16271 which properties of loops to prepare.
16272 (rtl_loop_init): Pass flags to loop_optimizer_init.
16273 * tree-ssa-sink.c (execute_sink_code): Ditto.
16274 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16275 * tree-ssa-pre.c (init_pre): Ditto.
16276 * cfgloop.h (LOOPS_NORMAL): New.
16277 (loop_optimizer_init): Declaration changed.
16279 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16281 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16282 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16284 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16286 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16288 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16289 * pa/t-pa64: Delete quadlib.c rule.
16290 * pa/x-ada: Revert last change.
16291 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16293 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16295 PR rtl-optimization/26087
16296 * rtlanal.c (canonicalize_condition): Do not cross basic block
16299 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16302 * config/ia64/ia64.c: Include debug.h.
16303 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16304 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16305 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16306 (process_epilogue, process_set, process_for_unwind_directive):
16307 Output unwind info only if requested. Add CFA info if requested.
16308 Add new arguments as needed. Adjust callers.
16309 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16311 (DWARF2_FRAME_INFO): Define to zero.
16312 * config/ia64/unwind-ia64.c: Remove code that compensated for
16313 the CFA offset error fixed above.
16314 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16315 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16316 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16317 -funwind-tables and -fexceptions to enable frame info.
16318 (dwarf2out_frame_init): Define initial CFA even if
16319 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16320 DWARF2_UNWIND_INFO is nonzero, not just defined.
16321 (dwarf2out_frame_finish): Output non-EH call frame info only
16322 if DWARF2_FRAME_INFO is nonzero.
16323 (convert_cfa_to_loc_list,
16324 compute_frame_pointer_to_cfa_displacement): Define even if
16325 unwind info is not supported.
16326 (gen_subprogram_die): Use the above unconditionally. Remove
16327 legacy alternate code.
16328 * toplev.c (compile_file): Compile in call to
16329 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16330 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16332 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16333 Jakub Jelinek <jakub@redhat.com>
16335 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16336 IBM extended float format long double as "g" on powerpc*-linux.
16338 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16341 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16342 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16344 2006-02-03 Jason Merrill <jason@redhat.com>
16347 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16349 PR middle-end/25977
16350 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16351 on the return slot if it's an NRV.
16353 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16355 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16356 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16357 rewrite_use): Do not handle USE_OUTER.
16358 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16359 add_iv_outer_candidates, may_replace_final_value,
16360 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16361 (find_interesting_uses_op): Functionality of
16362 find_interesting_uses_outer_or_nonlin moved here.
16363 (find_interesting_uses_outside): Use find_interesting_uses_op.
16365 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16368 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16370 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16371 Ulrich Weigand <uweigand@de.ibm.com>
16374 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16375 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16376 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16377 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16379 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16380 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16381 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16382 Define secondary reloads for TFmode moves.
16383 (constant_modes): Add TFmode.
16384 (NR_C_MODES): Set to 8.
16385 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16387 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16388 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16389 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16390 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16391 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16392 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16393 (FPR mode macro): Add TFmode.
16394 (DSF mode macro): New.
16395 (<de>, <dee> mode attributes): Removed.
16396 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16397 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16398 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16399 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16400 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16401 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16402 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16403 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16404 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16405 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16406 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16407 "*negabs<mode>2", "sqrt<mode>2"):
16408 Changed <de> to <xde>. R constraint replaced by <Rf>.
16409 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16411 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16412 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16413 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16415 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16416 "extenddftf2", "extendsftf2"): New expanders.
16417 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16418 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16419 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16420 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16422 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16423 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16424 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16425 __floatditf): Add a GCC_4.1.0 symbol version tag.
16426 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16429 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16432 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16433 Use targetm.binds_local_p instead of TREE_PUBLIC.
16435 2006-02-02 Roger Sayle <roger@eyesopen.com>
16437 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16438 on INTEGER_TYPEs to indicate that it denotes a character type.
16439 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16440 signed_char_type_node, unsigned_char_type_node and char_type_node.
16441 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16442 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16443 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16445 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16446 Daniel Berlin <dberlin@dberlin.org>
16448 * tree-tailcall.c (arg_needs_copy_p): New function.
16449 (eliminate_tail_call): Use arg_needs_copy_p.
16450 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16451 (add_virtual_phis): New function.
16453 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16455 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16456 #ignore instead of #scratch for %g7 .register directive.
16458 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16460 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16463 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16465 * flow.c (calculate_global_regs_live): Assert that there aren't any
16468 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16470 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16471 what its name says.
16472 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16473 bsi_after_labels iterator.
16474 * tree-if-conv.c (find_phi_replacement_condition,
16475 replace_phi_with_cond_modify_expr): Likewise.
16476 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16477 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16479 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16481 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16483 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16486 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16487 array after growing it.
16489 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16491 PR middle-end/24901
16492 * fold-const.c (fold_checksum_tree): Change type of buf.
16494 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16496 * reload.c (push_secondary_reload): Initialize t_icode.
16498 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16500 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16501 -msoft-float -mlong-double-128 only issue a warning, but don't
16502 swich to DFmode long double.
16504 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16506 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16507 has a constant equivalent, iterate over equivalents for arg0,
16508 calling simplify_relational_operation and if there's a result
16509 cheaper than X, apply fold_rtx and return the result.
16511 2006-02-01 Jan Hubicka <jh@suse.cz>
16513 * opts.c (no_unit_at_a_time_default): New global variable.
16514 (decode_options): Use it.
16515 * opts.h (no_unit_at_a_time_default): Declare.
16517 2006-02-01 Paul Brook <paul@codesourcery.com>
16519 * function.c (assign_parm_setup_reg): Use function argument promotion
16521 * expr.c (expand_expr_real_1): Use function argument promotion rules
16524 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16526 * gcc.c (process_command): Change j to 'unsigned int'.
16528 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16530 PR middle-end/26001
16531 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16532 Use the corrected index for the character
16533 out of the string constant.
16535 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16537 * mode-switching.c (optimize_mode_switching): Fix size
16538 allocated for bb_info[n_entities].
16540 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16542 * gcc.c (main): Correct type that is allocated for
16543 explicit_link_files.
16545 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16547 * config/s390/s390.c (init_alignment_context): Set
16548 ALIAS_SET_MEMORY_BARRIER on the MEM.
16549 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16551 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16553 PR middle-end/25933
16554 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16556 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16559 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16561 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16562 * regrename.c: Ditto.
16563 * tree-ssa-loop-im.c: Ditto.
16564 * tree-dump.c: Ditto.
16565 * tree-complex.c: Ditto.
16566 * genrecog.c: Ditto.
16567 * tree-ssa-threadupdate.c: Ditto.
16569 * java/class.c: Ditto.
16570 * java/jcf-parse.c: Ditto.
16571 * java/resource.c: Ditto.
16572 * java/except.c: Ditto.
16573 * java/jvspec.c: Ditto.
16574 * java/jcf-write.c: Ditto.
16575 * java/jcf-path.c: Ditto.
16576 * java/gjavah.c: Ditto.
16577 * java/zextract.c: Ditto.
16578 * java/jcf-io.c: Ditto.
16579 * java/jcf.h: Ditto.
16580 * java/buffer.c: Ditto.
16581 * java/lang.c: Ditto.
16582 * java/parse-scan.y: Ditto.
16583 * java/lex.c: Ditto.
16584 * java/lex.h: Ditto.
16585 * cfgloopmanip.c: Ditto.
16586 * postreload-gcse.c: Ditto.
16587 * tree-ssa-loop-manip.c: Ditto.
16588 * postreload.c: Ditto.
16589 * tree-ssa-loop-ch.c: Ditto.
16592 * cppspec.c: Ditto.
16593 * diagnostic.c: Ditto.
16595 * genoutput.c: Ditto.
16597 * cfghooks.c: Ditto.
16598 * cfgloopanal.c: Ditto.
16599 * objc/objc-act.c: Ditto.
16601 * genextract.c: Ditto.
16602 * genautomata.c: Ditto.
16603 * pretty-print.c: Ditto.
16604 * genemit.c: Ditto.
16605 * cgraphunit.c: Ditto.
16607 * df-scan.c: Ditto.
16608 * haifa-sched.c: Ditto.
16609 * dominance.c: Ditto.
16611 * tree-ssa-loop-ivopts.c: Ditto.
16612 * df-core.c: Ditto.
16613 * mode-switching.c: Ditto.
16614 * modulo-sched.c: Ditto.
16616 * ipa-pure-const.c: Ditto.
16618 * fix-header.c: Ditto.
16620 * tree-stdarg.c: Ditto.
16621 * ipa-utils.c: Ditto.
16622 * loop-init.c: Ditto.
16623 * ipa-inline.c: Ditto.
16624 * cfganal.c: Ditto.
16626 * alloc-pool.c: Ditto.
16627 * dwarf2out.c: Ditto.
16629 * genattrtab.c: Ditto.
16630 * tree-ssa-loop-ivcanon.c: Ditto.
16631 * predict.c: Ditto.
16632 * timevar.c: Ditto.
16634 * fortran/gfortranspec.c: Ditto.
16635 * regmove.c: Ditto.
16636 * local-alloc.c: Ditto.
16637 * langhooks.c: Ditto.
16638 * function.c: Ditto.
16639 * tree-vectorizer.c: Ditto.
16641 * ipa-type-escape.c: Ditto.
16643 * tree-if-conv.c: Ditto.
16644 * profile.c: Ditto.
16646 * tree-data-ref.c: Ditto.
16647 * loop-unroll.c: Ditto.
16648 * treelang/treetree.c: Ditto.
16650 * bt-load.c: Ditto.
16651 * ggc-common.c: Ditto.
16653 * coverage.c: Ditto.
16655 * tree-cfgcleanup.c: Ditto.
16656 * tree-ssa-pre.c: Ditto.
16657 * cfgcleanup.c: Ditto.
16658 * loop-invariant.c: Ditto.
16659 * loop-iv.c: Ditto.
16660 * ipa-prop.c: Ditto.
16661 * print-tree.c: Ditto.
16662 * conflict.c: Ditto.
16663 * ggc-page.c: Ditto.
16664 * sched-deps.c: Ditto.
16665 * regclass.c: Ditto.
16666 * tree-object-size.c: Ditto.
16667 * combine.c: Ditto.
16668 * bb-reorder.c: Ditto.
16669 * resource.c: Ditto.
16670 * var-tracking.c: Ditto.
16671 * cfgloop.c: Ditto.
16672 * df-problems.c: Ditto.
16673 * reg-stack.c: Ditto.
16675 * gccspec.c: Ditto.
16676 * sched-rgn.c: Ditto.
16677 * tree-ssa-structalias.c: Ditto.
16678 * tree-ssa-reassoc.c: Ditto.
16679 * config/darwin-c.c: Ditto.
16680 * config/darwin.c: Ditto.
16681 * config/arm/arm.c: Ditto.
16683 * collect2.c: Ditto.
16684 * reload1.c: Ditto.
16686 2006-01-31 Nicolas Pitre <nico@cam.org>
16688 * arm.md (smaxsi3): Make aware of smax_m1.
16691 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16693 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16695 2006-01-31 Richard Guenther <rguenther@suse.de>
16697 * doc/invoke.texi (-msselibm): Document.
16698 * target.h (expand_library_builtin): New target hook.
16699 * builtins.c (expand_builtin): Use expand_library_builtin.
16700 (default_expand_library_builtin): New function.
16701 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16702 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16703 (link_gcc_math_spec): Declare.
16704 (static_specs): Add link_gcc_math_spec.
16705 * expr.h (default_expand_library_builtin): Declare.
16706 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16707 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16708 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16709 * config/i386/i386.opt (msselibm): New target option.
16710 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16711 (ix86_init_sse_abi_builtins): New function.
16712 (ix86_expand_library_builtin): Likewise.
16713 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16714 (override_options): Handle error conditions wrt -msselibm.
16715 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16716 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16717 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16720 2006-01-31 Richard Guenther <rguenther@suse.de>
16721 Paolo Bonzini <bonzini@gnu.org>
16723 * doc/install.texi (--disable-libgcc-math): Document.
16725 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16727 * expr.h (expand_normal): new inline function.
16728 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16729 * dojump.c: use it.
16730 * dwarf2out.c: use it.
16733 * expmed.c: use it.
16734 * except.c: use it.
16735 * config/sparc/sparc.c: use it.
16736 * config/i386/i386.c: use it.
16737 * config/rs6000/rs6000.c: use it.
16738 * config/arm/arm.c: use it.
16739 * config/mips/mips.c: use it.
16740 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16742 2006-01-30 Roger Sayle <roger@eyesopen.com>
16744 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16745 argv to the appropriate type.
16747 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16749 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16752 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16755 * config/s390/s390.c (struct machine_function): New flag
16756 decomposed_literal_pool_addresses_ok_p.
16757 (s390_reorg): Set it before final stage of literal pool transforms.
16758 (s390_decompose_address): Only accept displacements of the form
16759 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16761 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16763 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16764 the comparison routine return.
16766 2006-01-30 Michael Matz <matz@suse.de>
16768 * global.c (find_reg): Only evict for global regs.
16769 Take n_refs into account and dump more info.
16771 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16774 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16775 (pragma_trap, pragma_nosave_low_regs): Likewise.
16776 (current_function_anonymous_args): Likewise.
16777 (sh_deferred_function_attributes): New variable.
16778 (sh_deferred_function_attributes_tail): Likewise.
16779 (print_operand): For '@', look up trap_exit attribute.
16780 (calc_live_regs): Look up trapa_handler attribute. For trapa
16781 handlers, save/restore fpscr, but don't do any other
16782 interrupt-specific saves.
16783 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16784 Fix check for partially saved registers to check for SHmedia.
16785 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16786 (sh_output_function_epilogue): Don't clear any of the removed
16788 (sh_insert_attributes): Don't check pragma_interrupt.
16789 Insert deferred attributes. Check that interrupt attribute is
16790 present for other attributes that require its presence.
16791 (sh_attribute_table): Add new attributes trapa_handler and
16793 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16794 Don't check for pragma_interrupt. Don't store argument.
16795 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16796 (sh_deferred_function_attributes): Declare.
16797 (sh_deferred_function_attributes_tail): Likewise.
16798 * sh.md (sp_switch_1): Add operand. Change generator caller.
16799 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16800 (*return_i): Don't use when trap_exit attribute is in effect.
16801 (*return_trapa): New insn pattern.
16802 * sh-c.c: New file.
16803 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16804 setting c_target_objs and cxx_target_objs.
16805 * t-sh: Add rule for sh-c.o.
16807 2006-01-30 Richard Guenther <rguenther@suse.de>
16810 * gimplify.c (gimplify_target_expr): Handle easy cases
16811 without creating a temporary.
16813 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16815 * vec.h (safe_grow): Remove duplicated line.
16817 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16820 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16821 (expand_omp): ... here.
16822 (expand_omp_parallel): Only remove barriers for combined
16823 parallel+workshare constructs.
16825 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16829 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16830 * tree.c (build_qualified_type): Chain the new type to the original
16831 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16832 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16833 (build_pointer_type_for_mode): Only return unqualified types.
16834 (build_reference_type_for_mode): Likewise.
16836 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16838 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16839 * Makefile.in (CXX_COMPAT_WARN): Define.
16840 * configure: Regenerate.
16842 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16845 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16848 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16850 * toplev.c: Fix thinko.
16852 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16853 Marcin Dalecki <martin@dalecki.de>
16855 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16856 (push_srcloc): Use XNEW.
16857 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16859 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16861 * df-core.c (df_set_blocks): Deleted all variable.
16863 2006-01-28 Ian Lance Taylor <ian@airs.com>
16865 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16866 cgraph_output_pending_asms.
16868 2006-01-28 Zack Weinberg <zackw@panix.com>
16870 * c.opt: Add -W(no-)overlength-strings.
16871 * doc/invoke.texi: Document it.
16872 * c-opts.c (c_common_handle_option): -pedantic implies
16873 -Woverlength-strings, if not explicitly disabled already.
16874 (c_common_post_options): -Woverlength-strings defaults to off, and
16875 is always off for C++.
16876 * c-common.c (fix_string_type): Issue warning about strings longer
16877 than is portable only if warn_overlength_strings. Rearrange code
16878 a little for clarity.
16879 * configure.in: Check for -Wno-overlength-strings as well before
16880 enabling -pedantic in stage 1.
16881 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16882 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16884 * genconditions.c (write_header, write_one_condition)
16885 (write_conditions, write_writer): Consolidate very long strings
16886 that were broken up to fit in C89 portable limit. Don't use
16887 printf when fputs will do.
16889 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16891 * combine.c (simplify_comparison <AND>): Check
16892 TRULY_NOOP_TRUNCATION before start using a subreg.
16894 * config/mips/mips.md (*branch_zero<mode>,
16895 *branch_zero<mode>_inverted, *branch_equality<mode>,
16896 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16897 Remove mode check from comparisons.
16899 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16901 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16903 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16905 * expmed.c (const_mult_add_overflow_p): Remove.
16906 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16908 * recog.c (validate_replace_rtx_subexp): Remove.
16909 * recog.h: Remove the prototype for
16910 validate_replace_rtx_subexp.
16912 * integrate.h: Remove the prototype for
16913 copy_decl_for_inlining.
16914 * rtl.h: Remove the prototype for mark_constant_function.
16915 * tree-vectorizer.h: Remove the prototype for
16916 vect_strip_conversion.
16918 * modulo-sched.c (create_partial_schedule,
16919 free_partial_schedule, reset_partial_schedule): Make them
16922 * hooks.c (hook_bool_rtx_int_false): Remove.
16923 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
16925 2006-01-28 David Edelsohn <edelsohn@gnu.org>
16927 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
16928 and -mlong-double-128 are incompatible.
16929 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
16930 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
16931 (TARGET_LIBGCC2_CFLAGS): Define.
16932 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
16933 (TARGET_LIBGCC2_CFLAGS): Same.
16934 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
16936 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16939 * c-typeck.c (build_binary_op): Perform implicit casts of
16940 operands before shortening them.
16942 * cfgloopmanip.c (split_loop_bb): Remove.
16943 * cfgloop.h: Remove the prototype for split_loop_bb.
16945 * cfgloop.c (flow_loop_outside_edge_p): Remove.
16946 * cfgloop.h: Remove the prototype for
16947 flow_loop_outside_edge_p.
16949 * emit-rtl.c (init_virtual_regs): Make it static.
16950 * function.h: Remove the prototype for init_virtual_regs.
16952 * recog.c (peephole2_optimize): Make it static.
16953 * recog.h: Remove the prototype for peephole2_optimize.
16955 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
16957 * df-scan.c (df_record_entry_block_defs): Check if
16958 INCOMING_RETURN_ADDR_RTX is defined.
16960 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
16961 Kenneth Zadeck <zadeck@naturalbridge.com>
16963 PR rtl-optimization/24762
16964 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16965 * targhooks.c (hook_void_bitmap): New hook prototype.
16966 * targhoohs.h (hook_void_bitmap): Ditto.
16967 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
16968 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
16969 * target.h (live_on_entry): New function pointer.
16970 * df-scan.c (df_all_hard_regs): Removed.
16971 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
16972 (df_scan_free_internal): Added df->entry_block_defs.
16973 (df_scan_alloc): Ditto.
16974 (df_scan_dump): Ditto.
16975 (df_uses_record): Plumbed flag field properly thru calls.
16976 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
16977 This part fixes PR24762.
16978 (df_bb_refs_record): Added code to make the frame and arg
16979 pointers live in EH blocks.
16980 (df_refs_record): Added call to df_record_entry_block_defs.
16981 (df_record_entry_block_defs): New function.
16982 * df-core.c: Added comments to describe new artifical defs.
16983 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
16984 (entry_block_defs): New field in struct df.
16985 (df_all_hard_regs): Deleted.
16986 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
16987 * df-problems.c (df_ru_bb_local_compute_process_def):
16988 Added code to handle artifical defs in the entry to a function.
16989 (df_ru_bb_local_compute): Ditto.
16990 (df_rd_bb_local_compute_process_def): Ditto.
16991 (df_rd_bb_local_compute): Ditto.
16992 (df_lr_bb_local_compute): Ditto.
16993 (df_ur_bb_local_compute): Ditto.
16994 (df_urec_bb_local_compute): Ditto.
16995 (df_chain_create_bb): Ditto.
16996 (df_ur_local_finalize): Removed entry.
16997 (df_urec_init): Ditto.
16998 (df_urec_local_finalize): Ditto.
16999 (df_ri_bb_compute): Added detection of last use of pseudos.
17000 * Makefile.in (df-scan.o): Updated dependencies.
17001 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17002 * config/mips/mips.c (mips_set_live_on_entry): Added.
17003 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17005 * dce.c (marked_insn_p): Added code to handle artifical defs.
17007 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17009 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17011 (_mm_cvtsi128_si64): Likewise.
17012 (_mm_cvtsd_si64): Likewise.
17013 (_mm_cvttsd_si64): Likewise.
17014 (_mm_cvtsi64_sd): Likewise.
17015 (_mm_cvtsi64_si128): Likewise.
17016 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17017 (_mm_cvtsi64_m64): Likewise.
17018 (_m_to_int64): Likewise.
17019 (_mm_cvtm64_si64): Likewise.
17020 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17021 (_mm_cvttss_si64): Likewise.
17022 (_mm_cvtsi64_ss): Likewise.
17023 (_mm_cvtss_f32): Likewise.
17025 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17027 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17028 for pragma redefine_extname.
17030 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17033 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17034 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17035 -mno-minimal-toc to previous content.
17036 (bispecs): Remove goal.
17037 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17038 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17039 compatibility aliases on powerpc-*-*gnu*.
17040 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17041 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17042 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17043 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17044 (ldblspecs): New goal.
17045 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17046 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17048 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17049 L_sf_to_tf or L_df_to_tf is defined.
17051 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17052 Alan Modra <amodra@bigpond.net.au>
17055 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17056 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17057 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17058 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17059 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17060 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17061 (rs6000_override_options): Initialize rs6000_ieeequad.
17062 Initialize TFmode format to ibm_extended_format if not
17064 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17066 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17067 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17068 (function_arg_advance): IBM long double passed in two FPRs, not
17070 (function_arg): IBM long double passed in FPRs.
17071 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17072 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17073 Only multireg GPR aligned.
17074 (rs6000_init_libfuncs): Enable IBM long double functions if not
17076 (rs6000_generate_compare): Use IBM long double compare if not
17078 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17079 (TARGET_IEEEQUAD): Define.
17080 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17081 not TARGET_IEEEQUAD.
17082 * config/rs6000/rs6000.md: Enable TFmode patterns if
17084 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17085 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17086 and -mlong-double-128 are incompatible.
17087 * doc/invoke.texi (-mabi): Collect options together. Add
17088 ibmlongdouble and ieeelongdouble.
17090 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17092 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17094 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17095 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17096 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17097 * rtl.h (rtunion_def): Remove rt_ptr.
17099 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17100 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17101 * config/i386/winnt.c (i386_pe_mark_dllexport)
17102 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17104 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17106 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17108 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17112 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17113 pthread_key_delete. From John David Anglin. gthrw-ify
17114 pthread_getunique_np only if it it's not a macro. Delete
17116 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17117 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17118 __gthread_objc_condition_signal, __gthread_key_delete): Add
17119 "__attribute__ ((__unused__))" to unused arguments.
17120 (__gthread_recursive_mutex_init_function): Add missing return.
17121 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17122 gthr-posix95.h: Use macro-based approach for name redirection
17123 on targets missing weakref.
17125 2006-01-26 Zack Weinberg <zackw@panix.com>
17127 * genconditions.c (write_header): In generated code, #ifdef out
17128 all includes and fake declarations, except includes of bconfig.h
17129 and system.h, unless GCC_VERSION >= 3001. Do not include
17130 gensupport.h in any case.
17131 (write_conditions): Generate a definition of struct c_test. Add
17132 a comment to the generated #endif.
17133 (write_one_condition): Escape backslashes in string too.
17134 (write_writer): Generated code must escape backslashes and quote
17135 marks (but not newlines) in the strings it writes.
17136 * Makefile.in (build/gencondmd.o): Update dependencies.
17138 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17141 * Makefile.in (insn-automata.o): Add header file dependencies.
17142 * genautomata.c: Add includes.
17144 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17147 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17149 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17151 * configure.ac: Expect target tools paths to be passed from the toplevel
17152 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17154 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17156 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17159 * c.opt (Wpointer-sign): Init to -1.
17160 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17161 OPT_pedantic, to 0 otherwise.
17162 * doc/invoke.texi: Update.
17164 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17166 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17167 constants provided by 80387 instructions in the destination mode.
17169 2006-01-26 Richard Guenther <rguenther@suse.de>
17170 Andrew Pinski <pinskia@physics.uc.edu>
17173 partial PR tree-opt/17064
17174 * tree-ssa-structalias.c (intra_create_variable_infos):
17175 Create heap variables for incoming parameters if
17176 flag_argument_noalias > 1.
17177 (find_what_p_points_to): Look through default defs of
17180 2006-01-26 Jeff Law <law@redhat.com>
17183 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17184 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17185 within the VR_RANGE, use the VR_RANGE as the result, not the
17187 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17188 bounds for the type.
17190 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17192 * tree-ssa-alias.c (maybe_create_global_var): Change
17193 subvar walking to an assertion that we don't have subvar'd variables.
17195 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17198 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17199 Use a new variable, inner. PARM_DECLs are always non-weak.
17201 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17203 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17204 --disable-checking.
17206 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17208 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17210 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17212 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17213 (smax_insn, smin_insn, smax_0, smin_0): New.
17215 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17218 * config/cris/cris.c (cris_order_for_addsi3): New function.
17219 * config/cris/cris-protos.h: Prototype it.
17220 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17221 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17222 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17223 (split for "op.S1 [rx=rx+i],ry (swapped)")
17224 (split for "op(s|u).S1 [rx=rx+i],ry")
17225 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17226 Apply cris_order_for_addsi3 when generating addsi3 insns.
17228 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17230 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17231 (TREE_BLOCK): Add call to EXPR_CHECK.
17233 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17236 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17237 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17238 (dump_omp_clauses): ... here.
17239 (dump_generic_node): Handle OMP_CLAUSE.
17240 * tree.c (omp_clause_num_ops): New.
17241 (omp_clause_code_name): New.
17242 (tree_code_size): Handle OMP_CLAUSE.
17243 (tree_size): Likewise.
17244 (make_node): Document handling of OMP_CLAUSE.
17245 (tree_node_structure): Handle OMP_CLAUSE.
17246 (omp_clause_check_failed): New.
17247 (omp_clause_range_check_failed): New.
17248 (omp_clause_operand_check_failed): New.
17249 (build_omp_clause): New.
17250 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17251 * tree.h (enum omp_clause_code): Declare.
17252 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17253 (OMP_CLAUSE_RANGE_CHECK): Define.
17254 (OMP_CLAUSE_ELT_CHECK): Define.
17255 (omp_clause_check_failed): Declare.
17256 (omp_clause_operand_check_failed): Declare.
17257 (omp_clause_range_check_failed): Declare.
17258 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17259 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17260 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17261 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17262 (OMP_CLAUSE_IF_EXPR): Likewise.
17263 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17264 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17265 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17266 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17267 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17268 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17269 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17270 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17271 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17272 (OMP_CLAUSE_CODE): Define.
17273 (OMP_CLAUSE_SET_CODE): Define.
17274 (OMP_CLAUSE_CODE): Define.
17275 (OMP_CLAUSE_OPERAND): Define.
17276 (struct tree_omp_clause): Declare.
17277 (union tree_node): Add field 'omp_clause'.
17278 * treestruct.def (TS_OMP_CLAUSE): Define.
17279 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17280 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17281 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17282 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17283 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17284 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17285 (OMP_CLAUSE): Define.
17286 * print-tree.c (print_node): Handle OMP_CLAUSE.
17287 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17288 * c-typeck.c: Likewise.
17289 * gimplify.c: Likewise.
17290 * c-omp.c: Likewise.
17291 * tree-nested.c: Likewise.
17292 * tree-inline.c: Likewise.
17293 * c-parser.c: Likewise.
17294 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17297 2006-01-25 Roger Sayle <roger@eyesopen.com>
17299 PR rtl-optimization/25703
17300 * combine.c (try_combine): Handle zero_extract and strict_low_part
17301 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17303 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17305 * global.c: Fix comment typos.
17307 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17310 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17311 Use output_addr_const instead of assemble_name.
17313 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17315 * Makefile.in (sched-vis.o): Update dependencies.
17316 * haifa-sched.c (sched_finish): Clear current_sched_info.
17317 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17318 (dump_flow_info): Call it.
17319 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17321 * basic-block.h (dump_bb_info): Declare.
17322 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17323 option, and apply options only for dump files whose TDF_RTL,
17324 TDF_TREE, or TDF_IPA bits match.
17325 * rtl.h: Declare new functions exported from sched-vis.c.
17326 * sched-vis.c: Enable also if scheduling is not used.
17327 (print_value): Print the mode of registers if not inside scheduling.
17328 (print_insn): Make it work outside the scheduler. Beautify the output
17330 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17332 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17334 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17335 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17336 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17337 depending on the value of CONSTANT_POOL_ADDRESS_P.
17338 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17340 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17341 rather than SYMBOL_REF_DECL.
17342 (rtx_constant_pool): Remove const_rtx_sym_htab.
17343 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17344 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17345 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17346 Remove handling of const_rtx_sym_htab.
17347 (find_pool_constant): Delete.
17348 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17349 rather than find_pool_constant.
17350 (get_pool_constant_for_function): Delete.
17351 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17352 find_pool_constant.
17353 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17354 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17355 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17356 (SYMBOL_REF_CONSTANT): New macro.
17357 (get_pool_constant_for_function): Delete.
17358 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17359 rather than SYMBOL_REF_DECL.
17360 (i386_pe_mark_dllimport): Likewise.
17361 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17362 rather than SYMBOL_REF_DECL.
17363 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17364 (machopic_indirect_call_target): Likewise.
17366 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17368 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17370 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17372 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17374 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17376 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17378 2006-01-24 David Daney <ddaney@avtrex.com>
17381 * configure.ac (enable_tls): New enable option.
17382 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17383 * configure: Regenerate.
17384 * doc/install.texi (--enable-tls): Document new option.
17385 (--disable-tls): Ditto.
17387 2006-01-24 Richard Henderson <rth@redehat.com>
17389 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17390 * alias.c (true_dependence): Respect it.
17391 (canon_true_dependence, write_dependence_p): Likewise.
17392 * builtins.c (get_builtin_sync_mem): Set it.
17394 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17396 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17399 2006-01-24 DJ Delorie <dj@redhat.com>
17401 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17402 for storing constants in single-bit bitfields.
17404 2006-01-25 Ben Elliston <bje@au.ibm.com>
17406 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17408 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17411 * tree-ssa-pre.c (phi_translate): Return NULL
17412 for AGGREGATE_TYPE's.
17414 2006-01-24 Zack Weinberg <zackw@panix.com>
17416 * genautomata.c (process_state_for_insn_equiv_partition):
17417 Use xcalloc for insn_arcs_array.
17418 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17419 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17421 2006-01-24 Richard Henderson <rth@redhat.com>
17423 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17424 update all callers.
17426 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17428 PR rtl-optimization/25890
17429 PR rtl-optimization/25905
17430 * combine.c (expand_compound_operation, expand_field_assignment):
17431 Fail if the bitfield's final position is out of bounds.
17433 2006-01-24 Ian Lance Taylor <ian@airs.com>
17435 PR middle-end/25930
17436 * cgraphunit.c (cgraph_output_in_order): Don't clear
17437 cgraph_asm_nodes until after asm strings have been output.
17439 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17441 * fix-header.c (read_scan_file): Add new parameter imultilib when
17442 calling register_include_chains.
17444 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17446 * omp-low.c: Update documentation.
17448 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17449 Daniel Berlin <dberlin@dberlin.org>
17453 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17454 return from the function.
17456 2006-01-22 Zack Weinberg <zackw@panix.com>
17458 * rtl.def (match_code): Add second argument.
17459 * genpreds.c (write_extract_subexp): New function.
17460 (write_match_code): Add path argument. Use write_extract_subexp.
17461 (write_predicate_expr): Pass path to write_match_code.
17462 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17463 not perform a mode test.
17464 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17465 a subexpression does not constrain the top-level code set.
17466 * read-rtl.c (read_rtx_variadic): New function.
17467 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17468 * doc/md.texi: Document new notation.
17469 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17470 (cmpsi_operand): ... here, using new notation.
17472 2006-01-22 Zack Weinberg <zackw@panix.com>
17474 * varray.c: Remove GENERATOR_FILE #ifdefs.
17476 2006-01-22 Zack Weinberg <zackw@panix.com>
17478 * genautomata.c (output_reserved_units_table): Emit nothing if
17479 description->query_units_num is zero. Remove extra blank line.
17480 (output_cpu_unit_reservation_p): Short circuit
17481 if description->query_units_num is zero.
17483 2006-01-22 Zack Weinberg <zackw@panix.com>
17485 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17486 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17487 nor any of the random handful of variables that used to be necessary
17488 when this program was linked with rtlanal.o. Prune set of forward
17489 function declarations.
17490 (struct attr_desc): Remove static_p field.
17491 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17492 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17493 (attr_string): Do not read the character one past the length of
17495 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17496 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17497 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17498 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17499 (make_automaton_attrs): New.
17500 (main): Do not call into genautomata. Call local gen_bypass
17501 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17502 Remove special case for insn_alts.
17503 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17504 varray.h (leftover from previous change). Prune set of forward
17505 function declarations. Remove state_alts fields from all
17506 structures. Remove state_alts_table from struct automaton.
17507 Make everything except main static. Do not maintain num_dfa_decls.
17508 Do not maintain state_alts fields of various structures.
17509 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17510 (add_arc): Remove state_alts argument. All callers updated.
17511 (output_reserved_units_table): Emit #ifdef here...
17512 (output_tables): ...not here. Don't generate state_alts tables.
17513 (expand_automata): Don't generate attributes.
17514 (write_automata): Don't generate state_alts functions.
17515 (main): New function.
17516 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17517 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17518 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17519 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17520 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17521 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17522 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17523 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17525 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17526 * genattrtab.h: Delete file.
17527 * Makefile.in (OBJS-common): Add insn-automata.o.
17528 (insn-automata.o): New rule.
17529 (simple_generated_c): Add insn-automata.c.
17530 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17531 (genprogmd): Add automata.
17532 (build/genattrtab): Needs no extra objects nor libraries.
17533 (build/genautomata): Needs build/vec.o and -lm.
17535 2006-01-22 Zack Weinberg <zackw@panix.com>
17537 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17538 (output_dfa_max_issue_rate, locked_states_num): Delete.
17539 (struct automaton): Add locked_states field.
17540 (output_dead_lock_vect): Save number of locked states in
17541 automaton->locked_states. If it is zero, don't print anything.
17542 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17543 (output_internal_dead_lock_func): Only test the dead_lock_vect
17544 for automata that have locked states.
17545 (output_statistics): Always print the number of locked states for
17546 each automaton. Calculate total number of locked states here.
17547 (write_automata): Don't call output_dfa_max_issue_rate.
17548 * genattrtab.c: Define length_unit_log as a const variable.
17549 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17550 max_insn_queue_index const.
17551 * final.c (length_unit_log): Declare const.
17552 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17554 2006-01-22 Zack Weinberg <zackw@panix.com>
17556 * genautomata.c: Include vec.h, not varray.h.
17557 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17558 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17559 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17560 VEC_* macros operating on appropriately typed vectors, or to
17561 malloced arrays when the size is known in advance. Const-ify
17562 many char* variables and function arguments. No functional changes.
17563 * Makefile.in (build/varray.o): Delete rule.
17564 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17565 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17567 2006-01-22 Zack Weinberg <zackw@panix.com>
17569 * gensupport.c: Define get_insn_name and record_insn_name here.
17570 (read_md_rtx): Call record_insn_name as appropriate.
17571 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17572 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17573 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17575 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17576 (BUILD_VARRAY): Delete.
17577 (genprognormal): Rename genprogmd. Fold in all programs from
17578 genprognoprint; also attrtab.
17579 (build/genattrtab): Just mention genautomata.o and varray.o.
17580 Reorganize a bit, add comments to make the categories clearer.
17582 2006-01-22 Zack Weinberg <zackw@panix.com>
17584 * genconditions.c (condition_table, add_condition): Delete.
17585 (write_conditions): Don't emit n_insn_conditions nor
17586 insn_elision_unavailable. Issue the gcc version #ifdef here,
17587 inside the table, with no #else clause ...
17588 (write_header): ...not here.
17589 (write_writer): New function.
17590 (main): Don't initialize condition_table. Use add_c_test.
17592 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17593 files on the command line.
17594 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17595 Return -1 if there is no entry in the table, don't abort.
17596 (add_c_test, traverse_c_tests): New functions.
17597 * gensupport.h (insn_elision_unavailable, insn_conditions)
17598 (n_insn_conditions): Delete declarations.
17599 (add_c_test, traverse_c_tests): Declare.
17600 * read-rtl.c: Include gensupport.h.
17601 (read_conditions): New function.
17602 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17603 (read_rtx_1): If we get EOF when we were looking for an initial
17604 open paren, return 0. Call read_conditions when appropriate.
17605 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17606 dummy-conditions.o. Eliminate references to insn-conditions.o,
17607 or change them to build/gencondmd.o, as appropriate. Remove
17608 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17609 from $(simple_generated_c). For all files remaining in those
17610 two lists, add insn-conditions.md to the generator command line.
17611 Give insn-constants.h/s-constants their own rules. Add rules
17612 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17613 (build/read-rtl.o): Depend on gensupport.h.
17614 (genprognormal): Include preds.
17615 (genprogearly): Rename genprognoprint; only difference is now that
17616 they don't link with $(BUILD_PRINT).
17617 * dummy-conditions.c: Delete.
17619 2006-01-22 Zack Weinberg <zackw@panix.com>
17621 * genextract.c: Don't include insn-config.h. Do include vec.h.
17622 Declare vectors of int, char, and locstr.
17623 (locstr): New typedef.
17624 (struct extraction): Make all array fields into bare pointers.
17625 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17626 (insn_code_number): Delete.
17627 (accum_extract): New struct.
17628 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17629 (gen_insn): Take insn_code_number as an argument. Use an
17630 accum_extract structure instead of loading data directly into
17631 a struct extraction, and having to know how big it might get.
17632 (walk_rtx): Operate entirely on an accum_extract structure.
17633 (print_path): Avoid unnecessary use of printf.
17634 (print_header): New function, split out of main. Distinguish
17635 more carefully between an unrecognizable insn and an insn that
17636 has the code number of a define_expand.
17637 (main): Pass insn_code_number to gen_insn. Call print_header
17638 only after parsing. Avoid unnecessary use of printf.
17639 * Makefile.in (build/vec.o): New rule.
17640 (build/genextract): Depend on build/vec.o.
17641 (build/genextract.o): Don't depend on insn-config.h.
17643 2006-01-22 Zack Weinberg <zackw@panix.com>
17645 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17646 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17647 practical. Eliminate per-generator-program link rules.
17649 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17651 PR middle-end/24437
17652 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17653 with a call expr to ...
17654 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17656 2006-01-23 Richard Guenther <rguenther@suse.de>
17658 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17659 before make_edge with conditional EDGE_TRUE_VALUE.
17661 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17662 Jan Hubicka <jh@suse.cz>
17663 Richard Guenther <rguenther@suse.de>
17665 PR rtl-optimization/25654
17666 * cfgexpand.c (aggregate_contains_union_type): New function.
17667 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17668 for structure variables that contain a union type.
17670 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17672 * gengtype.c (new_structure): Return the structure.
17673 (create_option): Add an extra "next" argument.
17674 (create_field): New function.
17675 (adjust_field_rtx_def): Use create_option and create_field.
17676 Remove a now-unnecessary call to find_structure.
17677 (adjust_field_tree_def): Likewise.
17678 (note_yacc_type): Remove an unnecessary call to find_structure.
17679 * gengtype.h (new_structure): Return the structure.
17680 (create_option): Add an extra argument.
17681 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17682 (option): Adjust calls to create_option.
17684 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17686 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17688 2006-01-22 Paul Brook <paul@codesourcery.com>
17689 Peter Barada <peter@the-baradas.com>
17691 * config/m68k/m68k.md: Add Coldfire FPU support.
17692 Define FP mode macro and associated attributes.
17693 Use it for float mode patterns.
17694 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17695 (LIBCALL_VALUE): Use m68k_libcall_value.
17696 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17697 (m68k_function_value): Ditto.
17698 (emit_move_sequence): Ditto.
17699 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17700 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17701 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17702 (MULTILIB_EXCEPTIONS): Ditto.
17703 * config/m68k/m68k.opt: Add mcfv4e.
17704 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17705 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17706 (m68k_output_function_prologue): Save ColdFire FPU registers.
17707 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17708 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17709 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17710 ColdFire FPU registers.
17711 (m68k_libcall_value, m68k_function_value): New functions.
17712 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17713 (LIBCALL_VALUE): Use m68k_libcall_value.
17714 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17715 (MASK_COLDFIRE): Add MASK_CFV4E.
17716 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17717 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17718 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17719 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17720 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17721 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17722 * doc/invoke.tex: Document -mcfv4e on m68k.
17724 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17726 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17729 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17732 * c-opts.c (c_common_handle_option): Don't include
17733 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17734 * doc/invoke.texi (C++ Dialect Options): Document that
17735 -Wnon-virtual-dtor is no longer included in -Wall.
17737 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17739 * gcov.c (print_version), gcov-dump.c (print_version),
17740 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17743 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17745 * df-scan.c (problem_SCAN): Added NULL reset function.
17746 (df_scan_reset_blocks): Added code to call reset block function
17747 (df_bb_refs_delete) Fixed comment.
17748 (df_insn_refs_delete): Made tolerant of deleting non existent info
17749 for dataflow problems that need to be reset.
17750 * df-core.c (df_set_blocks): Ditto.
17751 * df.h (struct df_problem): Added reset_fun.
17752 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17753 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17754 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17755 functions to clear out all references to def-use or use-def chains.
17757 2006-01-21 Ben Elliston <bje@au.ibm.com>
17759 * varasm.c (assemble_real): Initialise data array.
17761 2006-01-20 Paul Brook <paul@codesourcery.com>
17763 Merge from csl-arm-branch.
17764 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17765 * config/arm/arm.md (movdi): Force operands[1] to a register
17766 if we have a non-register source.
17767 (*arm_movdi, *movdf_soft_insn): Require that one of the
17768 operands be a register.
17769 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17770 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17772 2006-01-20 DJ Delorie <dj@redhat.com>
17774 * varasm.c (initializer_constant_valid_p): Allow pointers
17775 initialized from integer constants of lesser precision.
17776 (output_constant): Allow non-int-sized pointer modes to be
17777 initialized from integer constants.
17779 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17782 * cppdefault.h (struct default_include): Add multilib flag.
17783 * cppdefault.c (cpp_include_defaults): Set it.
17784 * c.opt (-imultilib): New option.
17785 * c-opts.c (imultilib): New.
17786 (c_common_handle_option): Handle -imultilib.
17787 (c_common_post_options): Likewise.
17788 * c-incpath.c (add_standard_paths, register_include_chains):
17790 * c-incpath.h (register_include_chains): Add extra parameter.
17791 * gcc.c (do_spec_1): Generate -imultilib option.
17792 (The Specs Language): Update %I description.
17793 (process_command): Update copyright notice.
17794 * doc/cppopts.texi (-imultilib): Document.
17795 * doc/invoke.texi (-imultilib): Include in option summary.
17796 (%I): Update specs documentation.
17798 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17800 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17802 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17804 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17807 2006-01-20 Richard Guenther <rguenther@suse.de>
17808 Steven Bosscher <stevenb.gcc@gmail.com>
17810 PR rtl-optimization/24626
17811 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17812 EDGE_TRUE_VALUE if in RTL mode.
17815 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17816 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17818 2006-01-20 Dirk Mueller <dmueller@suse.com>
17821 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17822 instead of a special NOP marker.
17823 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17824 NOP marker handling.
17825 * c-common.h (empty_body_warning): Add forward declaration.
17826 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17827 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17829 2006-01-20 Paul Brook <paul@codesourcery.com>
17831 * Makefile.in (lang_checks): Keep going if mkdir fails.
17833 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17835 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17836 be able to clean out basic block when not necessary.
17837 (df_scan_free): Fixed to properly delete information if df is
17838 unused before calling df_finish.
17839 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17840 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17842 (df_bb_refs_delete): New function.
17843 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17844 * df-core.c (df_set_blocks): Added code to properly clean out
17845 unused blocks if they are not part of the blocks to consider.
17846 Added additional null check.
17847 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17848 be able to clean out basic block when not necessary
17849 * df.h (df_free_bb_function): Ditto.
17850 (df_bb_refs_delete): New function.
17851 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17852 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17853 basic block parameter to be able to clean out basic block when not
17855 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17856 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17857 Fixed to properly delete information if df is unused before
17860 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17862 PR rtl-optimization/25799
17863 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17864 Corrected confluence operator to remove bits from op2 before oring
17865 with op1 rather than removing bits from op1.
17866 (df_ru_transfer_function): Corrected test on wrong bitmap which
17867 caused infinite loop. Both of these problems were introduced in
17868 the dataflow rewrite.
17870 2006-01-19 DJ Delorie <dj@redhat.com>
17872 * reload1.c (find_reload_regs): Note the details of reload
17873 failures in the dump file.
17874 (spill_failure): Likewise.
17876 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17878 * loop-iv.c: Include df.h and hashtab.h.
17879 (enum iv_grd_result): New enum.
17880 (DF_REF_IV, DF_REF_IV_SET): New macros.
17881 (struct biv_entry): New.
17882 (df, bivs): New global variables.
17883 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17884 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17886 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17887 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17888 analyzed_for_bivness_p, record_biv): New functions.
17889 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17890 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17891 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17893 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17895 (iv_number_of_iterations): Use new interface to iv analysis.
17896 * loop-unroll.c: Do not include varray.h.
17897 (analyze_iv_to_split_insn): Use new interface to iv
17899 * loop-unswitch.c (may_unswitch_on): Ditto.
17900 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17902 (df_bb_modify): Realloc tables to the new index.
17903 (df_find_use): New function.
17904 * df.h (df_find_use): Declare.
17905 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17907 * cfgloop.h (struct rtx_iv): Remove analysed field.
17908 (iv_get_reaching_def): Removed.
17909 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17910 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17911 (loop-iv.o): Add df.h and hashtab.h dependency.
17912 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17914 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17917 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17919 (__floatundisf, __floatundidf): Likewise.
17920 * libgcc2.h (IS_IBM_EXTENDED): Define.
17922 2006-01-19 DJ Delorie <dj@redhat.com>
17924 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
17926 2006-01-19 Paul Brook <paul@codesourcery.com>
17928 * config/arm/arm.c (arm_compute_func_type): Treat all functions
17929 as nothrow when unwinding tables are disabled.
17931 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17934 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
17935 of bit-field" when in system header.
17937 2006-01-19 DJ Delorie <dj@redhat.com>
17939 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
17940 the 16 bit shift limit of the m16c.
17942 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
17945 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
17946 * config/i386/i386.c (output_set_got): Output the label if we have one
17947 for the TARGET_DEEP_BRANCH_PREDICTION case.
17949 2006-01-19 Jan Hubicka <jh@suse.cz>
17950 H.J. Lu <hongjiu.lu@intel.com>
17951 Evandro Menezes <evandro.menezes@amd.com>
17953 * invoke.texi (generic): Document
17955 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
17956 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
17957 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
17958 (x86_use_incdec, x86_pad_returns): New variables
17959 (TARGET_CPU_DEFAULT_generic): New constant
17960 (TARGET_CPU_DEFAULT_NAMES): Add generic.
17961 (enum processor_type): Add generic32 and generic64.
17962 * i386.md (cpu attribute): Add generic32/generic64
17963 (movhi splitter): Behave sanely when both partial_reg_dependency and
17964 partial_reg_stall are set.
17965 (K8 splitters): Enable for generic as well.
17966 * predicates.md (incdec_operand): Use TARGET_INCDEC
17967 (aligned_operand): Avoid memory mismatch stalls.
17968 * athlon.md: Enable for generic64, new patterns for 128bit moves.
17969 * ppro.md: Enable for generic32
17970 * i386.c (generic64_cost, generic32_cost): New.
17971 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
17972 (x86_use_leave): Enable for generic64. (x86_use_sahf,
17973 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
17974 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
17975 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
17976 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
17977 x86_partial_reg_dependency, x86_memory_mismatch_stall,
17978 x86_accumulate_outgoing_args, x86_prologue_using_move,
17979 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
17980 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
17981 Enable for generic.
17982 (x86_use_incdec, x86_pad_returns): New.
17983 (override_options): Add generic32 and generic64, translate "generic"
17984 to generic32/generic64 and "i686" to "generic32", refuse
17985 "generic32"/"generic64" as arch target.
17986 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
17987 (ix86_reorg): Honor PAD_RETURNS.
17989 2006-01-19 Diego Novillo <dnovillo@redhat.com>
17991 * tree-pretty-print.c (dump_generic_node): Handle
17992 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
17993 * cgraph.c (cgraph_expand_queue): Rename from
17994 cgraph_analyze_queue. Update all users.
17995 * cgraphunit.c (cgraph_assemble_pending_functions): Process
17996 cgraph_expand_queue.
17997 (cgraph_expand_all_functions): Likewise.
17998 (cgraph_finalize_pending_functions): Remove. Update callers.
18000 * tree.h (OMP_DIRECTIVE_P): Define.
18001 (OMP_PARALLEL_FN): Define.
18002 (OMP_PARALLEL_DATA_ARG): Define.
18003 (OMP_SECTIONS_SECTIONS): Define.
18004 * tree-pass.h (pass_expand_omp): Declare.
18005 * omp-low.c (struct omp_region): Declare.
18006 (struct omp_context): Remove fields 'parallel_type',
18007 'parallel_start_ix' and 'parallel_start_additional_args'.
18009 (struct omp_for_data): Rename from struct expand_omp_for_data.
18010 (omp_regions): New static variable.
18011 (root_omp_region): New static variable.
18012 (find_omp_clause): Make static.
18013 (is_in_combined_parallel_ctx): Remove.
18014 (is_combined_parallel): New.
18015 (extract_omp_for_data): Move earlier in the file.
18016 (workshare_safe_to_combine_p): New.
18017 (get_ws_args_for): New.
18018 (determine_parallel_type): Move earlier in the file.
18019 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18021 (omp_copy_decl): Likewise.
18022 (create_omp_child_function): Likewise.
18023 (lookup_omp_region): New.
18024 (dump_omp_region): New.
18025 (debug_omp_region): New.
18026 (debug_all_omp_regions): New.
18027 (new_omp_region): New.
18028 (scan_omp_parallel): If parallel_nesting_level > 1, the
18029 directive is nested within another parallel directive.
18030 Set OMP_PARALLEL_FN.
18031 (scan_omp_for): Do not try to handle combined parallel+for
18033 Remove FIXME comment.
18034 (scan_omp_nested): Remove.
18035 (scan_omp_1): Do not call scan_omp_nested when
18036 parallel_nesting_level is > 1.
18037 Do not change the DECL_CONTEXT of local variables found.
18038 (lookup_decl_in_outer_ctx): New.
18039 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18040 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18041 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18042 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18043 If CTX is nested, lookup VAR in the outer context when
18044 building copy assignment.
18045 (lower_send_clauses): Rename from expand_send_clauses.
18046 If CTX is nested, lookup VAR in the outer context when
18047 building copy assignments.
18048 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18049 If CTX is nested, lookup VAR in the outer context when
18050 building copy assignments.
18051 (expand_parallel_call): Rename from build_parallel_call.
18052 Handle combined parallel+workshare cases.
18053 Re-implement to emit code into the CFG.
18055 (expand_omp_parallel): Re-implement to emit code into the CFG.
18056 Call move_sese_region_to_fn to outline the sub-graph
18057 containing the parallel region.
18058 (expand_omp_for_1): Remove.
18059 (expand_omp_for_generic): Re-implement to emit code into the
18061 (expand_omp_for_static_nochunk): Likewise.
18062 (expand_omp_for_static_chunk): Likewise.
18063 (expand_omp_for): Likewise.
18064 (expand_omp_sections): Likewise.
18065 (remove_exit_barriers): New.
18066 (expand_omp_synch): New.
18068 (build_omp_regions_1): New.
18069 (build_omp_regions): New.
18070 (execute_expand_omp): New.
18071 (gate_expand_omp): New.
18072 (pass_expand_omp): Define.
18073 (lower_omp_sections): Rename from expand_omp_sections.
18074 Set OMP_SECTIONS_SECTIONS.
18075 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18076 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18077 (lower_omp_single): Rename from expand_omp_simple.
18078 (lower_omp_master): Rename from expand_omp_master.
18079 (lower_omp_ordered): Rename from expand_omp_ordered.
18080 (lower_omp_critical): Rename from expand_omp_critical.
18081 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18082 (lower_omp_for): Re-implement.
18083 (lower_omp_parallel): Re-implement.
18084 (lower_regimplify): Rename from expand_regimplify.
18085 (lower_omp_1): Rename from expand_omp_1.
18086 If there are syntax errors in the program, replace every
18087 OpenMP directive with NOP.
18088 Call lower_omp_* instead of expand_omp_*.
18089 (lower_omp): Rename from expand_omp.
18091 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18092 * tree-gimple.h (enum omp_parallel_type): Remove.
18093 (gimple_boolify): Declare extern.
18094 (find_omp_clause, determine_parallel_type): Remove.
18096 * gimple-low.c (lower_omp_directive): New.
18097 (lower_stmt): Call it.
18098 (record_vars_into): Move from ...
18099 (record_vars): ... here.
18100 Call record_vars_into with current_function_decl.
18102 * gimplify.c (struct gimplify_ctx): Remove fields
18103 combined_pre_p and combined_ctxp. Update users.
18104 (get_formal_tmp_var): Add documentation.
18105 (gimple_boolify): Make extern.
18106 (gimplify_expr_in_ctx): Remove. Update callers.
18107 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18108 will always be a BIND_EXPR.
18109 (gimplify_expr): Handle OMP_RETURN_EXPR.
18110 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18111 (OMP_PARALLEL): Add 3 operands.
18112 (OMP_SECTIONS): Add 1 operand.
18113 (OMP_RETURN_EXPR): Define.
18115 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18116 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18117 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18118 creating a circular free list.
18119 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18121 * tree-flow.h (move_sese_region_to_fn): Declare.
18122 (record_vars_into): Declare.
18123 * tree-cfg.c (make_omp_sections_edges): New.
18124 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18125 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18126 OMP_SECTIONS and OMP_SECTION.
18127 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18128 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18129 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18130 (gather_blocks_in_sese_region): New.
18131 (struct move_stmt_d): Declare.
18132 (move_stmt_r): New.
18133 (move_block_to_fn): New.
18134 (move_sese_region_to_fn): New.
18136 * passes.c (init_optimization_passes): Schedule
18137 pass_expand_omp after pass_init_datastructures.
18139 * tree-ssa-operands.c (get_expr_operands): Handle
18140 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18141 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18143 2006-01-19 Jeff Law <law@redhat.com>
18145 * tree-vrp.c (extract_range_from_assert): Refine the result range
18146 if the variable referenced by the ASSERT_EXPR has a range and
18147 either the tentative result range or the previous range is a
18150 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18152 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18154 2006-01-19 Jan Hubicka <jh@suse.cz>
18156 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18158 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18160 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18161 (expand_compound_operation, expand_field_assignment): Fail if the
18162 bit lengths of an extract operation are out of range.
18163 (make_extraction): Compute wanted_inner_mode based on the position
18164 and length of the extraction. Make it extraction_mode for non-constant
18165 positions, and do not modify offset in that case. When generating a
18166 new MEM, use a mode that can hold the extraction while keeping correct
18167 alignment. Remove code that supported MEMs wrapped by USEs.
18168 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18170 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18172 * config/s390/s390.md ("Y", "y"): New mode attribute.
18173 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18174 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18175 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18176 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18177 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18178 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18179 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18180 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18181 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18182 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18183 "addsi3", "subsi3"): Insn patterns removed.
18184 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18185 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18186 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18187 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18188 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18189 "*sub<mode>3_cconly2"): New insn patterns.
18190 ("addsi3", "subsi3"): New expanders.
18192 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18194 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18195 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18196 existing STMT_VINFO_VECTYPE if available.
18197 (vect_mark_relevant): Add special handling for stmts that are
18198 marked as STMT_VINFO_IN_PATTERN_P.
18199 (vect_analyze_loop): Call vect_pattern_recog.
18200 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18201 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18203 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18204 (vect_recog_func_ptr): New function-pointer type.
18205 * tree-vect-patterns.c: New file.
18206 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18207 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18208 (vect_pattern_recog_1): New functions.
18209 (vect_pattern_recog_funcs): New array of function pointers.
18211 * tree-vectorizer.h (ternary_op): New enum value.
18212 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18213 declaration. Revised documentation. Removed redundant dump prints.
18214 Removed redundant argument. Added support for reduction patterns.
18215 (vectorizable_reduction): Added support for reduction patterns.
18216 (vect_transform_stmt): Added support for patterns.
18218 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18219 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18220 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18221 (expand_widen_pattern_expr): New function.
18222 (init_optabs): Initialize new optabs udot_prod_optab,
18224 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18225 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18226 (expand_widen_pattern_expr): New function declaration.
18227 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18229 * tree-inline.c (estimate_num_insns_1): Added cases for new
18230 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18231 * tree-pretty-print.c (dump_generic_node): Likewise.
18232 (op_prio): Likewise.
18233 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18234 * tree-ssa-operands.c (get_expr_operands): Added case for
18236 * tree-vect-patterns.c (widened_name_p): New function.
18237 (vect_recog_dot_prod_pattern): Added function implementation.
18238 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18239 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18240 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18241 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18243 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18244 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18245 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18246 (init_optabs): Initialize new optabs widen_ssum_optab,
18248 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18249 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18250 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18251 use instead of type of def.
18252 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18253 function implementation.
18254 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18255 widen_ssumv8hi): New.
18257 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18260 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18263 * c-decl.c (add_flexible_array_elts_to_size): New function.
18264 (finish_decl): Use it.
18266 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18268 * diagnostic.h: Include options.h.
18269 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18270 dependancies for diagnostic.h.
18271 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18273 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18275 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18276 (ssa_ro_call_cache_valid): Ditto.
18277 * tree-ssa-alias.c (sort_tags_by_id): New function.
18278 (init_transitive_clobber_worklist): Ditto.
18279 (add_to_worklist): Ditto.
18280 (mark_aliases_call_clobbered): Ditto.
18281 (compute_tag_properties): Ditto.
18282 (set_initial_properties): Ditto.
18283 (compute_call_clobbered): Ditto.
18284 (compute_may_aliases): Call compute_call_clobbered and grouping.
18285 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18286 (compute_flow_insensitive_aliasing): Grouping now happens in our
18288 (setup_pointers_and_addressables): Remove clobbering related code.
18289 (add_may_alias): Ditto.
18290 (replace_may_alias): Ditto.
18291 (get_nmt_for): Ditto.
18292 (create_global_var):
18293 (is_escape_site): Return an escape_type enumeration.
18294 * tree-flow-inline.h (is_call_clobbered): Global var does not
18295 imply call clobbered.
18296 (mark_call_clobbered): Take a reason for marking this. Remove
18297 marking of globalness, and cache invalidation.
18298 (clear_call_clobbered): Remove cache invalidation code.
18299 * tree-dfa.c (dump_variable): If details is on, dump the reason
18301 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18303 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18304 (struct var_ann_d): Ditto.
18305 (enum escape_type): New.
18306 (mark_call_clobbered): Adjust prototype.
18307 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18308 are never call clobbered.
18309 Record reasons for escaping.
18310 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18311 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18312 (ssa_ro_call_cache_valid): Ditto.
18313 (clobbered_v_may_defs): Ditto.
18314 (clobbered_vuses): Ditto.
18315 (ro_call_vuses): Ditto.
18316 (clobber_stats): New.
18317 (init_ssa_operands): Zero out clobber stats.
18318 (fini_ssa_operands): Print out clobber stats.
18319 (get_call_expr_operands): Pass callee fndecl to
18320 add_call_read_ops).
18321 (add_call_clobber_ops): Remove use of cache.
18322 Add use of PURE_CONST information.
18323 (add_call_read_ops): Remove use of cache.
18324 Add use of static not_read information.
18326 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18328 Introduce TLS descriptors for i386 and x86_64.
18329 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18330 (TARGET_ANY_GNU_TLS): New macro.
18331 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18332 (struct machine_function): Add tls_descriptor_call_expanded_p.
18333 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18334 (ix86_current_function_calls_tls_descriptor): Likewise.
18335 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18336 (override_options): Introduce gnu2 tls dialect.
18337 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18339 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18341 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18342 (ix86_init_machine_status): Initialize new field.
18343 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18344 (ix86_tls_module_base): New.
18345 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18346 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18347 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18348 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18349 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18350 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18351 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18352 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18353 * config/i386/predicates.md (tls_modbase_operand): New.
18354 (tp_or_register_operand): New.
18356 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18358 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18359 (look_for_address_of): Ditto.
18360 (ipa_init): Walk the function decls.
18361 (static_execute): Don't set readonly on FUNCTION_DECL's.
18363 2006-01-18 Roger Sayle <roger@eyesopen.com>
18365 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18366 for shifts where the source and destination registers are different.
18368 2006-01-18 Paul Brook <paul@codesourcery.com>
18370 Merge from csl-arm-branch.
18371 2005-03-14 Julian Brown <julian@codesourcery.com>
18372 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18373 (aeabi_llsl): Likewise.
18374 (ashrdi3): Likewise.
18375 (aeabi_lasr): Likewise.
18376 (lshrdi3): Likewise.
18377 (aeabi_llsr): Likewise.
18378 2005-03-10 Julian Brown <julian@codesourcery.com>
18379 * config.gcc: Disable shared libgcc for SymbianOS.
18380 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18382 2006-01-18 DJ Delorie <dj@redhat.com>
18384 * c-pragma.c (handle_pragma_diagnostic): New.
18385 (init_pragma): Register it.
18386 * doc/extend.texi: Document it.
18388 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18389 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18390 (diagnostic_context): Add classify_diagnostic[].
18391 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18392 as errors if they're overridden to DK_WARNING.
18393 (diagnostic_initialize): Initialize classify_diagnostic[].
18394 (diagnostic_set_kind_override): New.
18395 (diagnostic_report_diagnostic): Check for kind changes.
18396 * opts.c (common_handle_option): Take lang_mask. Update callers.
18397 Handle OPT_Werror_.
18398 * common.opt (Werror=): New.
18399 * doc/invoke.texi: Document -Werror=*
18401 2006-01-18 Jeff Law <law@redhat.com>
18403 * tree-vrp.c (test_for_singularity): Correct test for new
18404 min limit. Use operand_equal_p rather than pointer equality
18405 for testing if new min/max values are equal.
18407 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18408 using range information until after propagation and folding.
18410 2006-01-18 Richard Henderson <rth@redhat.com>
18411 Aldy Hernandez <aldyh@redhat.com>
18412 Jakub Jelinek <jakub@redhat.com>
18413 Diego Novillo <dnovillo@redhat.com>
18415 * omp-low.c: New file.
18416 * c-omp.c: New file.
18418 2006-01-18 Richard Henderson <rth@redhat.com>
18419 Jakub Jelinek <jakub@redhat.com>
18420 Diego Novillo <dnovillo@redhat.com>
18422 * doc/invoke.texi: Document -fopenmp.
18423 * tree-dump.h (debug_function): Declare.
18424 * hooks.c (hook_bool_tree_bool_false): New function.
18425 (hook_tree_tree_null): Remove.
18426 (hook_tree_tree_tree_null): New.
18427 * hooks.h: Update to match.
18428 * tree-pretty-print.c (debug_tree_chain): New.
18429 (print_generic_expr): Handle TDF_CHAIN.
18430 (dump_generic_node): Handle BLOCK.
18431 Do not abort with incomplete SWITCH_EXPRs.
18432 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18433 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18434 print space after directive name.
18435 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18436 Handle OMP_MASTER and OMP_ORDERED.
18437 Handle printing of OMP_BODY just in one place, goto
18438 dump_omp_body in the rest of OMP_* nodes that have
18440 Don't handle clause nodes here. Update omp statements to
18441 use dump_omp_clauses.
18442 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18443 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18444 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18445 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18446 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18447 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18448 Adjust output for GOMP_PARALLEL.
18449 (dump_omp_clauses): New.
18450 (print_declaration): Dump DECL_VALUE_EXPR.
18451 (op_symbol_1): Split out of op_symbol.
18452 (dumping_stmts): Remove. Update all users.
18453 * cgraph.c (cgraph_analyze_queue): New.
18454 (cgraph_add_new_function): New.
18455 * cgraph.h (cgraph_analyze_queue): Declare.
18456 (cgraph_add_new_function): Declare.
18457 (cgraph_lower_function): Remove.
18458 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18459 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18460 and TYPE_P nodes in its default clause.
18461 (empty_body_p): New.
18462 (tree_range_check_failed): New.
18463 (build5_stat): New.
18464 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18465 OMP_CLAUSE_REDUCTION_MERGE,
18466 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18467 OMP_CLAUSE_PRIVATE_DEBUG,
18468 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18469 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18470 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18471 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18472 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18473 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18474 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18475 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18476 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18477 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18478 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18479 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18480 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18481 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18482 (TREE_RANGE_CHECK): New.
18483 (empty_body_p): Declare.
18484 (enum omp_clause_default_kind): New.
18485 (build_string_literal): Declare.
18486 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18487 (build5_stat, build5): Declare.
18488 * tree-pass.h (TDF_CHAIN): Define.
18489 * tree-pass.h (PROP_gimple_lomp): Define.
18490 (pass_lower_omp): Declare.
18491 * diagnostic.h (debug_tree_chain): Declare.
18492 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18494 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18495 * builtins.c (build_string_literal): Make extern.
18496 * gcc.c (include_spec_function): New.
18497 (static_spec_functions): Add it.
18498 (main): Move load of libgomp.spec ...
18499 (LINK_COMMAND_SPEC): ... here.
18500 (link_gomp_spec): New.
18501 (static_specs): Include it.
18502 (LINK_COMMAND_SPEC): Add link_gomp.
18503 (GOMP_SELF_SPECS): New.
18504 (driver_self_specs): Include it.
18505 (switch_matches): Don't mark inline.
18506 (main): Load libgomp.spec.
18507 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18508 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18509 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18510 * tree-gimple.h (enum omp_parallel): Declare.
18511 (determine_parallel_type): Declare.
18512 (omp_firstprivatize_variable): Declare.
18513 (omp_reduction_init): Declare.
18514 (diagnose_omp_structured_block_errors): Declare.
18515 (struct walk_stmt_info): Add want_return_expr.
18516 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18517 (find_omp_clause): Declare.
18518 (insert_field_into_struct): Declare.
18519 (struct walk_stmt_info): Move from tree-nested.c
18520 (walk_stmts): Declare.
18521 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18523 * cgraphunit.c (cgraph_lower_function): Make static.
18524 (cgraph_finalize_pending_functions): New.
18525 (cgraph_finalize_function): Call it.
18526 (cgraph_finalize_compilation_unit): Likewise.
18527 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18528 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18529 (BT_FN_UINT_UINT): New.
18530 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18531 DEF_FUNCTION_TYPE_VAR_4): Document.
18532 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18533 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18534 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18535 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18536 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18537 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18538 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18539 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18540 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18541 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18542 into separate files.
18543 (DEF_GOMP_BUILTIN): New.
18544 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18545 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18546 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18547 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18548 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18549 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18550 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18551 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18552 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18553 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18554 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18555 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18556 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18557 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18558 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18559 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18560 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18561 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18562 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18563 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18564 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18565 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18566 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18567 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18568 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18569 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18570 * sync-builtins.def: New file, moved from builtins.def.
18571 * omp-builtins.def: New file, moved from builtins.def.
18572 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18573 * gimple-low.c (lower_function_body): Clear data.
18574 (lower_stmt): Do not handle COMPOUND_EXPR.
18575 Remove call to print_node_brief.
18576 * c-tree.h (c_finish_omp_clauses): New prototype.
18577 (C_DECL_THREADPRIVATE_P): Define.
18578 (lookup_name_no_remap, c_omp_remap_private): Remove
18579 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18580 (check_for_loop_decls): Update decl.
18581 (lookup_name_no_remap, c_omp_remap_private): Declare.
18582 (build_indirect_ref, build_modify_expr, pushdecl,
18583 pushdecl_top_level): Move to c-common.h.
18584 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18585 before the switch, but just in the 2 places that need it.
18586 * c-decl.c (diagnose_mismatched_decls): Do not check for
18587 mismatched thread-local attributes when OLDDECL is marked
18588 threadprivate and NEWDECL has no thread-local attributes.
18589 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18590 (c_gimple_diagnostics_recursively): Rename from
18591 c_warn_unused_result_recursively. Invoke
18592 diagnose_omp_structured_block_errors.
18593 (check_for_loop_decls): Return a singular decl found.
18594 * langhooks.c (lhd_omp_predetermined_sharing): Return
18595 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18596 (lhd_omp_firstprivatize_type_sizes): New.
18597 (lhd_omp_assignment): New.
18598 (lhd_omp_predetermined_sharing): New.
18599 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18600 (struct lang_hooks_for_types): Add
18601 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18602 omp_predetermined_sharing, omp_disregard_value_expr,
18603 omp_private_debug_clause, omp_clause_default_ctor,
18604 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18605 (c_finish_omp_clauses): New.
18606 (c_finish_bc_stmt): Diagnose break within omp for.
18607 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18608 (build_unary_op): Return error_mark after reporting
18610 (build_modify_expr): Likewise.
18611 * gimplify.c: Include optabs.h and pointer-set.h.
18612 (enum gimplify_omp_var_data): Declare.
18613 (struct gimplify_omp_ctx): Declare.
18614 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18616 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18617 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18618 (splay_tree_compare_decl_uid): New.
18619 (new_omp_context): New.
18620 (delete_omp_context): New.
18621 (gimple_add_tmp_var): Call omp_add_variable.
18622 (gimplify_bind_expr): Likewise.
18623 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18624 true, disregard DECL_VALUE_EXPR on the decl if any.
18625 (gimplify_expr_in_ctx): New.
18626 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18627 omp_add_variable, omp_notice_variable, omp_is_private
18628 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18629 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18630 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18631 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18632 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18633 gimplify_omp_atomic): New.
18634 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18635 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18636 OMP_CRITICAL and OMP_ATOMIC.
18637 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18638 * c-pragma.h (enum pragma_kind): Add
18639 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18640 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18641 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18642 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18643 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18644 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18645 PRAGMA_OMP_THREADPRIVATE.
18646 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18647 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18648 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18649 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18650 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18651 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18652 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18653 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18654 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18655 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18656 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18657 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18658 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18660 (struct nesting_info): Add field_map,
18661 suppress_expansion, debug_var_chain.
18662 (create_nesting_tree): Initialize them.
18663 (lookup_field_for_decl): Use field_map.
18664 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18665 (convert_local_omp_clauses): New.
18666 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18667 (walk_body): Split out of walk_function.
18668 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18669 (convert_nonlocal_reference): Handle omp statements.
18670 (convert_local_reference): Likewise.
18671 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18672 (unnest_nesting_tree): New.
18673 (lower_nested_functions): Call it.
18674 (insert_field_into_struct): Make extern.
18675 (struct walk_stmt_info): Move to tree-gimple.h.
18676 (walk_stmts): Make extern.
18677 * omp-builtins.def: New file.
18678 * tree-iterator.c (expr_only): Clarify comment.
18679 * c-common.h (pushdecl_top_level, pushdecl,
18680 build_modify_expr, build_indirect_ref,
18681 c_finish_omp_master, c_finish_omp_critical,
18682 c_finish_omp_ordered, c_finish_omp_barrier,
18683 c_finish_omp_atomic, c_finish_omp_flush,
18684 c_finish_omp_for, c_split_parallel_clauses,
18685 omp_clause_default_kind, c_omp_sharing_predetermined,
18686 c_omp_remap_decl): Declare.
18687 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18688 (OBJS-common): Add omp-low.o.
18689 (c-omp.o, omp-low.o): Add.
18690 (gimplify.o): Add dependency on $(OPTABS_H).
18691 (GTFILES): Add omp-low.c.
18692 (gt-stringpool.h): Add.
18693 * tree-cfg.c (set_bb_for_stmt): Do not update the
18694 block-to-labels map if we are currently expanding to RTL.
18695 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18697 Handle IDENTIFIER_NODE.
18698 (tree_verify_flow_info): Do not ICE when emitting error
18699 messages about invalid labels.
18700 (dump_function_to_file): Reset CFUN before emitting the body
18702 (debug_function): New.
18703 * passes.c (init_optimization_passes): Schedule
18705 * langhooks-def.h (lhd_omp_predetermined_sharing,
18706 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18708 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18709 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18710 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18711 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18712 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18713 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18714 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18715 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18716 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18717 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18718 (LANG_HOOK_DECLS): Use them.
18720 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18721 Richard Henderson <rth@redhat.com>
18722 Jakub Jelinek <jakub@redhat.com>
18723 Diego Novillo <dnovillo@redhat.com>
18725 * c-parser.c (pragma_omp_clause): Define.
18726 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18727 (c_parser_compound_statement): Likewise.
18728 (c_parser_statement): Likewise.
18729 (c_parser_pragma): Handle omp pragmas.
18730 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18731 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18732 (c_parser_omp_clause_name, check_no_duplicate_clause,
18733 c_parser_omp_variable_list,
18734 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18735 c_parser_omp_clause_copyprivate,
18736 c_parser_omp_clause_default,
18737 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18738 c_parser_omp_clause_lastprivate,
18739 c_parser_omp_clause_nowait,
18740 c_parser_omp_clause_num_threads,
18741 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18742 c_parser_omp_clause_reduction,
18743 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18744 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18745 c_parser_omp_atomic, c_parser_omp_barrier,
18746 c_parser_omp_critical, c_parser_omp_flush,
18747 c_parser_omp_for_loop, c_parser_omp_for,
18748 c_parser_omp_master, c_parser_omp_ordered,
18749 c_parser_omp_sections_scope, c_parser_omp_sections,
18750 c_parser_omp_parallel, c_parser_omp_single,
18751 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18752 * c-pragma.c (init_pragma): Do omp pragma registration here.
18753 * c.opt (fopenmp): New flag.
18755 2006-01-18 Eric Christopher <echristo@apple.com>
18757 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18758 * config/darwin.h (GOMP_SELF_SPECS): Define.
18760 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18762 * rtl.h: Remove the prototype for reg_alloc.
18764 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18767 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18768 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18769 sjlj and dwarf2 exception handling.
18770 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18771 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18772 * pa/pa.c (function_value): Treat complex and vector types as
18774 (function_arg): Likewise. Only pass scalar floats in the floating
18775 point argument registers.
18776 * pa/t-slibgcc-dwarf-ver: New file.
18777 * pa/t-slibgcc-sjlj-ver: New file.
18778 * pa/t-slibgcc-elf-ver: Delete file.
18780 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18782 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18783 unlikely_test_section_p test.
18785 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18787 * mode-switching.c (optimize_mode_switching): Make it static.
18788 * basic-block.h: Remove the prototype for
18789 optimize_mode_switching.
18791 * modulo-sched.c (sms_schedule): Make it static.
18792 * rtl.h: Remove the prototype for sms_schedule.
18794 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18795 * rtl.h: Remove the prototype for gcse_after_reload_main.
18797 * reg-stack.c (reg_to_stack): Make it static.
18798 * rtl.h: Remove the prototype for reg_to_stack.
18800 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18802 * rtl.h: Remove the prototypes for regrename_optimize and
18803 copyprop_hardreg_forward.
18805 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18807 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18808 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18809 Test against the appropriate null constant for the mode.
18810 If 'fixup_overlap' is true, swap the operands if they overlap.
18811 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18812 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18813 alpha_split_tmode_pair and adjust for above change.
18814 * config/alpha/alpha.md (movtf_internal): Adjust call to
18815 alpha_split_tfmode_pair and rely on it to swap the operands.
18816 (movti_internal): New insn and post-reload splitter.
18817 (movti): New expander.
18819 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18821 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18824 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18826 * rtlanal.c (global_reg_mentioned_p_1,
18827 global_reg_mentioned_p): Remove.
18828 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18830 * flow.c (initialize_uninitialized_subregs): Make it static.
18831 * rtl.h: Remove the prototype for
18832 initialize_uninitialized_subregs.
18834 * function.c (instantiate_virtual_regs): Make it static.
18835 * function.h: Remove the prototype for
18836 instantiate_virtual_regs.
18838 * regmove.c (regmove_optimize, combine_stack_adjustments):
18840 * rtl.h: Remove the prototypes for regmove_optimize and
18841 combine_stack_adjustments.
18843 2006-01-17 Roger Sayle <roger@eyesopen.com>
18845 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18846 (size_cost): Encode costs in bytes so that a reg-reg addition is
18847 equivalent to COSTS_N_INSNS(1).
18848 (override_options): Use the size_cost.branch_cost as the default
18849 ix86_branch_cost when optimizing for size.
18851 2006-01-18 Ben Elliston <bje@au.ibm.com>
18853 * Makefile.in (D32PBIT_FUNCS): New.
18854 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18855 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18856 D64PBIT_FUNCS and D128PBIT_FUNCS.
18857 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18858 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18860 (decnumber_dep): Define.
18861 * doc/libgcc.texi (Decimal float library routines): New node.
18862 * config/dfp-bit.h, config/dfp-bit.c: New files.
18864 2006-01-18 Ben Elliston <bje@au.ibm.com>
18866 * expr.c (emit_move_change_mode): Always adjust addresses, not
18867 just during reload. Copy replacements only during reload.
18868 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18869 emit_move_via_integer.
18871 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18873 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18874 instead of $(srcdir) and ${srcdir}.
18876 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18879 PR middle-end/11135
18880 * arm.h (struct machine_function): Add pic_reg.
18881 * arm.c (arm_pic_register): Make unsigned.
18882 (arm_override_options): Only set arm_pic_register if
18883 TARGET_SINGLE_PIC_BASE.
18884 (use_return_insn): Only test for a pic register if it is fixed.
18885 (arm_compute_save_reg0_reg12_mask): Likewise.
18886 (thumb_compute_save_reg_mask): Likewise.
18887 (legitimate_pic_operand): Factor out some known invariants.
18888 (legitimize_pic_address): If we don't have a fixed pic register,
18889 then set up a pseudo in the function entry sequence. Handle the
18890 pic base being in a pseudo.
18891 (arm_load_pic_register): Handle the pic register being in a pseudo.
18892 (arm_expand_prologue): Only set up the pic register if it is fixed.
18893 (thumb_expand_prologue): Likewise.
18894 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18895 (pic_load_addr_based_insn): Likewise.
18896 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18899 2006-01-18 Ben Elliston <bje@au.ibm.com>
18901 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18902 decimal float modes for all floating point registers.
18904 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18905 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18907 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18910 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18911 even when the pointer is not NULL.
18913 2006-01-16 Ian Lance Taylor <ian@airs.com>
18915 * common.opt (ftoplevel-reorder): New option.
18916 * cgraph.c (cgraph_asm_nodes): New global variable.
18917 (cgraph_asm_last_node): New static variable.
18918 (cgraph_order): New global variable.
18919 (cgraph_create_node): Set new order field.
18920 (cgraph_varpool_node): Likewise.
18921 (decide_is_variable_needed): Return true if not
18922 flag_toplevel_reorder.
18923 (cgraph_add_asm_node): New function.
18924 * cgraph.h (struct cgraph_node): Add order field.
18925 (struct cgraph_varpool_node): Add order field.
18926 (struct cgraph_asm_node): Define.
18927 (cgraph_asm_nodes, cgraph_order): Declare.
18928 (cgraph_add_asm_node): Declare.
18929 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
18931 (cgraph_varpool_assemble_pending_decls): Call it.
18932 (cgraph_output_pending_asms): New static function.
18933 (cgraph_finalize_compilation_unit): Call it.
18934 (struct cgraph_order_sort): Define.
18935 (cgraph_output_in_order): New static function.
18936 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
18937 !flag_toplevel_reorder case.
18938 * c-parser.c: Include "cgraph.h".
18939 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
18941 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
18942 than -fno-unit-at-a-time.
18943 * doc/invoke.texi (Option Summary): Mention
18944 -fno-toplevel-reorder.
18945 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
18946 -funit-at-a-time documentation.
18948 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
18949 Kazu Hirata <kazu@codesourcery.com>
18951 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
18953 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
18955 * Makefile.in (FUNCTION_H): New. Use it instead of
18956 function.h throughout the file.
18957 * function.h: Include tree.h.
18959 2006-01-17 Ben Elliston <bje@au.ibm.com>
18961 * recog.c: Separate some functions with whitespace.
18963 2006-01-16 Richard Henderson <rth@redhat.com>
18965 Merge from gomp branch:
18966 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
18967 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
18968 and rename from struct inline_data. Rename callee* to dst*;
18969 caller* to src*; add copy_decl hook, transform_call_graph_edges,
18970 transform_new_cfg, transform_return_to_modify, and
18971 transform_lang_insert_block flags; remove cloning_p, versioning_p,
18973 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
18974 (copy_decl_for_dup): Remove.
18975 * tree-inline.c (struct inline_data): Move to header.
18976 (insert_decl_map): Export.
18977 (remap_decl): Update for member name changes. Use copy_decl hook.
18978 Allow for replacement to be a non-decl. Remove dead code.
18979 (remap_type_1): Check for existing mapping.
18980 (remap_type): Export.
18981 (remap_decls): Update for member name changes.
18982 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
18983 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
18984 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
18985 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
18986 (tree_function_versioning, build_duplicate_type): Likewise.
18987 (copy_body_r): Likewise. Export.
18988 (copy_decl_for_dup): Split into ...
18989 (copy_decl_for_dup_finish, copy_decl_to_var,
18990 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
18991 (replace_ref_tree, inlining_p): Remove.
18993 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
18995 * ifcvt.c (if_convert): Make it static.
18996 * rtl.h: Remove the prototype for if_convert.
18998 * local-alloc.c (local_alloc): Make it static.
18999 * rtl.h: Remove the prototype for local_alloc.
19001 * loop.c (loop_optimize): Make it static.
19002 * cfgloop.h: Remove the prototype for loop_optimize.
19005 2006-01-16 DJ Delorie <dj@redhat.com>
19007 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19010 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19012 * pa.md: Disparage copies between general and floating-point registers
19013 in 32-bit move patterns.
19015 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19018 * Makefile.in (check-%): Depend on site.exp instead of
19019 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19022 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19024 * global.c (global_alloc): Make it static.
19025 * rtl.h: Remove the prototype for global_alloc.
19027 2006-01-16 Richard Guenther <rguenther@suse.de>
19029 * tree-ssa-alias.c (struct used_part): Add write_only field.
19030 (get_or_create_used_part_for): Initialize it to true.
19031 (create_overlap_variables_for): Don't create structure variables
19032 for structures that only are written to.
19033 (find_used_portions): Handle MODIFY_EXPR to track whether a
19034 structure is only written to.
19036 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19038 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19040 * basic-block.h: Remove the prototype for
19041 partition_hot_cold_basic_blocks.
19043 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19045 * cppspec.c (lang_specific_spec_functions): Remove.
19046 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19047 * gcc.h (lang_specific_spec_functions): Remove.
19048 * gccspec.c (lang_specific_spec_functions): Remove.
19050 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19052 * combine.c (record_value_for_reg): Invalidate registers
19054 (record_dead_and_set_regs_1): Likewise, by passing them to
19055 record_value_for_reg.
19056 (record_dead_and_set_regs): Invalidate stores made by a
19057 call. We do not combine across a call, but we still
19058 relied on equivalences.
19060 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19062 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19063 vrp_int_const_binop returning non-constant nodes.
19065 2006-01-16 Paul Brook <paul@codesourcery.com>
19067 * config/m68k/m68k.c (output_move_const_into_data_reg):
19068 Output correct mnemonic for mvz and mvs.
19070 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19072 * rtl-factoring.c: Add sequence abstraction algorithm.
19073 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19074 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19076 (block_has_preserve_label): New function.
19077 * common.opt: Register new pass.
19078 * Makefile.in: Ditto.
19080 * timevar.def: Ditto.
19081 * tree-pass.h: Ditto.
19082 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19083 * rtl.h (make_jump_insn_raw): Add forward decl.
19084 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19086 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19087 Roger Sayle <roger@eyesopen.com>
19089 * fold-const.c (fold_minmax): New static function.
19090 (fold_binary) <MIN_EXPR>: Call it.
19091 <MAX_EXPR>: Likewise.
19092 * stor-layout.c (place_field): Use DECL_SIZE consistently
19093 in the computation of the new record size.
19095 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19097 * cse.c (cse_condition_code_reg): Make it static.
19098 * rtl.h: Remove the prototype for cse_condition_code_reg.
19100 * combine.c (combine_instructions): Make it static.
19101 * rtl.h: Remove the prototype for combine_instructions.
19103 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19106 * tree.c (get_file_function_name_long): Concatenate the first global
19107 object name with a string derived from the input filename of the object
19110 2006-01-16 Ben Elliston <bje@au.ibm.com>
19112 * config/i386/winnt-stubs.c: Update FSF address.
19113 * config/xtensa/ieee754-df.S: Ditto.
19114 * config/xtensa/ieee754-sf.S: Ditto.
19116 2006-01-14 Ian Lance Taylor <ian@airs.com>
19118 * ifcvt.c (noce_init_if_info): New static function, broken out of
19119 noce_process_if_block.
19120 (noce_process_if_block): Call noce_init_if_info.
19121 (check_cond_move_block): New static function.
19122 (cond_move_process_if_block): New static function.
19123 (process_if_block): Call cond_move_process_if_block.
19125 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19127 * cselib.c (hash_table): Rename to cselib_hash_table.
19128 (cselib_clear_table, discard_useless_values,
19129 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19130 cselib_init, cselib_finish): Adjust uses of hash_table.
19132 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19134 PR tree-optimization/25485
19135 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19136 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19137 is known to be false and true, respectively.
19139 2006-01-14 Richard Guenther <rguenther@suse.de>
19141 PR tree-optimization/22548
19142 PR tree-optimization/22555
19143 PR tree-optimization/22501
19144 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19145 * params.def (salias-max-array-elements): New parameter.
19146 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19147 * doc/invoke.texi (salias-max-array-elements): Document.
19148 * tree-flow-inline.h (var_can_have_subvars): We also handle
19150 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19152 * tree-ssa-structalias.c (params.h): Include.
19153 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19154 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19155 (get_constraint_for): For ADDR_EXPR operating on something
19156 containing an ARRAY_REF, add all subvars to the solution.
19157 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19158 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19159 for creating MUST_DEFs.
19160 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19162 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19164 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19166 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19167 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19168 number_of_iterations_le): New functions.
19169 (number_of_iterations_special): Removed.
19170 (number_of_iterations_exit): Do not use number_of_iterations_special.
19171 * tree.c (unsigned_type_for): Always return integer type.
19173 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19174 Richard Guenther <rguenther@suse.de>
19176 PR rtl-optimization/24257
19177 * gcse.c (find_moveable_store): Only consider a store movable
19178 when the SET_SRC of the insn can be assigned to a register.
19180 2006-01-14 Ian Lance Taylor <ian@airs.com>
19182 * tree.c (tree_not_class_check_failed): New function.
19183 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19184 (tree_not_class_check_failed): Declare.
19186 2006-01-13 Ian Lance Taylor <ian@airs.com>
19188 * reload1.c (do_output_reload): Add assertion rejecting a
19191 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19193 * combine.c (struct reg_stat): Add new fields truncation_label and
19195 (record_value_for_reg): Reset truncated_to_mode.
19196 (record_truncated_value): New function.
19197 (check_promoted_subreg): Call it. Rename to check_conversions.
19198 (combine_instructions): Rename check_promoted_subreg to
19200 (reg_truncated_to_mode): New function.
19201 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19202 (gen_lowpart_or_truncate): New function.
19203 (force_to_mode): Use it instead of gen_lowpart.
19205 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19207 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19208 VAR is a tag, not its type tag.
19210 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19212 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19213 alternatives to match style of other entries.
19214 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19216 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19218 PR tree-optimization/25771
19219 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19222 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19225 * tree-inline.c (declare_return_variable): If the return variable
19226 was marked as a non gimple complex, set the return slot variable
19227 to be a non gimple comple variable.
19229 2006-01-13 Richard Guenther <rguenther@suse.de>
19231 * builtins.c (expand_builtin_sincos): New function.
19232 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19234 (expand_builtin): Expand sincos using expand_builtin_sincos.
19236 2006-01-12 DJ Delorie <dj@redhat.com>
19238 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19239 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19240 so that constant shifts can be split.
19241 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19242 (m32c_valid_pointer_mode): Make static.
19243 (shift_gen_func_for): New.
19244 (m32c_prepare_shift): Use it. Split large const shifts into
19246 * config/m32c/predicates.md (shiftcount_operand): Allow more
19248 (longshiftcount_operand): New.
19249 * doc/md.texi (Machine Constraints): Document In6.
19251 2006-01-13 Ben Elliston <bje@au.ibm.com>
19253 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19254 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19257 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19259 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19260 to try to avoid clobbering pieces of structures when we know
19261 something about the whole structure.
19262 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19264 2006-01-13 Ben Elliston <bje@au.ibm.com>
19266 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19267 return in memory, as this is no limitation is no longer present.
19269 2006-01-12 DJ Delorie <dj@redhat.com>
19271 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19272 mova with fb, and for fb+0 -> An.
19274 * config/m32c/mov.md (peephole2): Fix enabling logic.
19276 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19277 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19278 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19279 FINI_ARRAY_SECTION_ASM_OP): Define.
19281 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19283 (m32c_legitimize_reload_address): New logic to reload FB to An.
19284 (m32c_output_reg_push): Add newline.
19285 (m32c_output_reg_pop): Likewise.
19287 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19289 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19291 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19293 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19295 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19297 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19300 2006-01-11 Ben Elliston <bje@au.ibm.com>
19302 * rtlanal.c (find_reg_note): Assert insn is not null.
19304 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19306 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19309 2006-01-11 Jeff Law <law@redhat.com>
19311 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19313 (mark_threaded_blocks, register_jump_thread): New functions.
19314 (thread_through_all_blocks): Remove unwanted argument. No
19315 longer rely on e->aux to communicate thread target info.
19316 Call mark_threaded_blocks. Release the threaded_blocks
19317 bitmap and threaded_edges vector when complete.
19318 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19319 (threaded_blocks): Remove.
19320 (tree_ssa_dominator_optimize): Remove initialization and
19321 finalization of threaded_blocks. Simplify call to
19322 thread_through_all_blocks.
19323 (thread_across_edge): Call register_jump_thread rather than
19324 storing thread information into e->aux.
19325 (free_all_edge_infos): Simplify now that e->aux is no longer
19326 used to communicate with thread_through_all_blocks.
19327 * tree-flow.h (thread_through_all_blocks): Update prototype.
19328 (register_jump_thread): Prototype.
19330 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19332 * df-core.c (df_compact_blocks, df_bb_replace): Use
19333 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19335 2006-01-11 Richard Guenther <rguenther@suse.de>
19337 PR tree-optimization/25734
19338 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19339 stop propagation after successful propagation to the LHS.
19341 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19343 * basic-block.h (control_flow_graph): Change the type of
19344 x_basic_block_info to VEC(basic_block,gc) *.
19345 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19347 (SET_BASIC_BLOCK): New.
19348 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19349 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19350 * cfgbuild.c (find_basic_blocks): Likewise.
19351 * cfglayout.c (fixup_reorder_chain): Likewise.
19352 * cfgrtl.c (create_basic_block_structure,
19353 rtl_create_basic_block): Likewise.
19354 * ifcvt.c (find_if_case_1): Likewise.
19355 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19358 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19360 * Makefile.in: Removed rotted odf.c entry.
19362 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19365 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19366 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19367 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19368 output pattern modifier, not %e.
19369 * config/cris/cris.c (cris_op_str): Update comment about pattern
19371 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19372 before falling through into...
19373 <case 'E'>: Redefined from old 'e' case.
19375 2006-01-11 Jan Hubicka <jh@suse.cz>
19378 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19380 2006-01-11 Jan Hubicka <jh@suse.cz>
19382 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19383 * i386.c (x86_decompose_lea): Kill.
19384 (ix86_rtx_costs): Kill.
19386 2006-01-11 Jan Hubicka <jh@suse.cz>
19388 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19389 * cgraph.h (cgraph_node): Add inline_decl.
19390 (cgraph_insert_node_to_hashtable): Declare.
19391 (save_inline_function_body): Declare.
19392 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19394 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19395 (cgraph_function_versioning): Update call of tree_function_versioning.
19396 (save_inline_function_body): New function.
19397 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19398 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19399 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19400 (cgraph_default_inline_p): Likewise.
19401 (cgraph_decide_inlining_incrementally): Likewise.
19402 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19403 (copy_bb): Kill saving; do updating of clones.
19404 (copy_cfg_body): Kill saving.
19405 (initialize_inlined-parameters): Likewise.
19406 (expand_call_inline): Likewise.
19408 (tree_function_versioning): New parameter "update_clones".
19409 (inlining_p): Kill saving.
19410 * tree-inline.h (tree_function_versioning): Update prototype.
19411 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19414 2006-01-11 Ian Lance Taylor <ian@airs.com>
19416 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19417 Allow undoing set of machine mode.
19418 (do_SUBST): Use enums instead of is_int.
19419 (do_SUBST_MODE): New function.
19420 (SUBST_MODE): New macro.
19421 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19422 reg and trying to replace reg_regno_rtx with a new register.
19423 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19424 (simplify_set): Use SUBST_MODE.
19425 (distribute_notes): Remove code that tried to update reg notes
19426 for regno_reg_rtx changes.
19428 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19430 PR tree-optimization/23109
19431 PR tree-optimization/23948
19432 PR tree-optimization/24123
19434 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19435 * tree-cfg.c (single_noncomplex_succ): New.
19436 * tree-flow.h (single_noncomplex_succ): Declare it.
19437 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19438 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19439 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19440 insert_bb, register_division_in, insert_reciprocals,
19441 replace_reciprocal, free_bb): New.
19442 (execute_cse_reciprocals_1): Rewritten.
19443 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19444 Do not commit any edge insertion. Always compute dominators and
19445 create the allocation pool.
19446 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19447 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19448 * targhooks.c (default_min_divistions_for_recip_mul): New.
19449 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19450 * passes.c (init_optimization_passes): Run recip after tree loop
19452 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19454 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19455 Kenneth Zadeck <zadeck@naturalbridge.com>
19457 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19458 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19459 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19460 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19461 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19462 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19463 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19464 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19465 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19466 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19467 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19468 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19469 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19470 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19471 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19472 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19473 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19474 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19475 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19476 DF_SCAN_POST_ALLOC): New macros.
19477 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19478 df_free_bb_function, df_local_compute_function, df_init_function,
19479 df_dataflow_function, df_confluence_function_0,
19480 df_confluence_function_n, df_transfer_function,
19481 df_finalizer_function, df_free_function, df_dump_problem_function,
19482 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19483 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19484 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19485 df_urec_bb_info, ) New types.
19486 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19488 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19489 df_analyze_simple_change_some_blocks,
19490 df_analyze_simple_change_one_block, df_compact_blocks,
19491 df_bb_replace, df_bb_regno_last_use_find,
19492 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19493 df_insn_regno_def_p, df_find_def, df_find_use,
19494 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19495 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19496 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19497 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19498 debug_df_chain, df_get_dependent_problem, df_chain_create,
19499 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19500 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19501 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19502 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19503 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19504 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19505 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19506 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19507 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19508 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19509 df_reorganize_refs, df_set_state, df_hard_reg_init,
19510 df_read_modify_subreg_p) New public functions.
19511 * df-core.c: The core dataflow solver and glue routines for rtl
19513 (df_init, df_add_problem, df_set_blocks, df_finish,
19514 df_hybrid_search_forward, df_hybrid_search_backward,
19515 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19516 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19517 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19518 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19519 df_reg_defined, df_find_use, df_reg_used, df_dump,
19520 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19521 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19522 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19523 debug_df_useno, reset_df_after_reload): New functions.
19524 * df-scan.c: The scanning fuctions, once in df.c, completely
19525 rewritten so that they now fully model the functionality of
19526 register usage at the backend.
19527 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19528 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19529 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19530 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19531 df_get_artificial_defs, df_get_artificial_uses,
19532 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19533 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19534 df_refs_delete, df_reorganize_refs, df_set_state,
19535 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19536 df_def_record_1, df_defs_record, df_uses_record,
19537 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19538 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19539 df_record_exit_block_uses, df_hard_reg_init): New functions.
19541 * df-problems.c: Seven concrete dataflow problems that use the
19542 scanning in df-scan.c and are solved by the engine in df-core.c.
19543 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19544 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19545 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19546 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19547 df_ru_free_bb_info, df_ru_alloc,
19548 df_ru_bb_local_compute_process_def,
19549 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19550 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19551 df_ru_transfer_function, df_ru_free, df_ru_dump,
19552 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19553 df_rd_free_bb_info, df_rd_alloc,
19554 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19555 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19556 df_rd_transfer_function, df_rd_free, df_rd_dump,
19557 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19558 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19559 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19560 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19561 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19562 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19563 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19564 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19565 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19566 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19567 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19568 df_urec_mark_reg_use_for_earlyclobber,
19569 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19570 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19571 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19572 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19573 df_chain_create_bb_process_use, df_chain_create_bb,
19574 df_chain_finalize, df_chain_free, df_chains_dump,
19575 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19576 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19577 df_reg_lifetime): New functions.
19578 * df.c: Deleted file.
19579 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19580 consistent with new df api.
19581 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19582 rest_of_handle_sms): Ditto.
19583 * web.c (unionfind_union, union_defs, entry_register, web_main):
19585 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19586 invariant_expr_equal_p, find_defs, check_dependencies,
19587 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19588 free_inv_motion_data, move_loop_invariants): Ditto.
19589 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19590 Update dependencies.
19591 (odf.c): Added defective entry that was deleted later in day.
19592 * sched-deps.c (sched_analyze_1): Ditto.
19594 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19596 * tree-ssa-operands.c (get_expr_operands): Record addressable
19597 variables directly. Do not call add_stmt_operands for CONST_DECLs
19599 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19600 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19602 2006-01-11 Ben Elliston <bje@au.ibm.com>
19604 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19605 function returns true in the positive case.
19607 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19610 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19611 for SI, DI, SF and DF modes. Add alternatives to copy between
19612 general and floating point registers to the 32-bit patterns.
19613 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19614 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19615 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19616 generating 64-bit code.
19617 * config/pa/pa.c (output_move_double): Handle copies between general
19618 and floating registers.
19620 2006-01-10 Stuart Hastings <stuart@apple.com>
19622 * config/i386/i386.md (set_got): Update.
19623 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19624 (builtin_setjmp_receiver): Mach-O support.
19625 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19626 (GOT_SYMBOL_NAME): Define.
19627 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19628 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19629 * config/i386/i386.c (override_options): Revise for Darwin.
19630 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19631 support. (darwin_x86_file_end): New. (output_set_got): Add label
19632 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19633 * config/i386/i386-protos.h (output_set_got): Likewise.
19634 * config/darwin.c (machopic_legitimize_pic_address): Update
19637 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19639 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19640 when MODE isn't BLKmode.
19642 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19644 PR rtl-optimization/25367
19645 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19647 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19650 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19651 for a negative bound.
19653 2006-01-10 Richard Guenther <rguenther@suse.de>
19655 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19656 Never override with anything constraint.
19658 2006-01-10 Jan Beulich <jbeulich@novell.com>
19660 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19661 256 bits when optimize_size.
19663 2006-01-10 Jan Beulich <jbeulich@novell.com>
19665 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19667 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19668 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19671 2006-01-10 Ben Elliston <bje@au.ibm.com>
19673 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19675 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19676 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19677 (USE_FP_FOR_ARG): Reject decimal float modes.
19678 (function_arg_advance): Likewise.
19679 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19680 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19681 point types in AltiVec vectors.
19682 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19683 (rs6000_libcall_value): Likewise.
19685 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19687 * config/xtensa/ieee754-df.S: New file.
19688 * config/xtensa/ieee754-sf.S: New file.
19689 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19690 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19691 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19693 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19695 * config/sh/predicates.md (binary_float_operator,
19696 binary_logical_operator, commutative_float_operator,
19697 equality_comparison_operator, greater_comparison_operator,
19698 less_comparison_operator, logical_operator,
19699 noncommutative_float_operator, shift_operator,
19700 symbol_ref_operand, unary_float_operator): Remove redundant
19703 2006-01-09 Jeff Law <law@redhat.com>
19705 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19706 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19707 now unused arguments. Callers updated.
19708 (eliminate_redundant_computations): Remove now unused arguments,
19710 (local_fold): Remove, no longer used.
19711 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19713 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19714 (simplify_cond): New function.
19715 (forward_propagate_into_cond): Call simplify_cond.
19717 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19719 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19720 (*vec_extractv2di_1_sse): New.
19722 2006-01-09 Ben Elliston <bje@au.ibm.com>
19724 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19726 2006-01-08 Richard Guenther <rguenther@suse.de>
19728 * tree-ssa-structalias.c (get_constraint_for): Remove
19729 anyoffset argument.
19730 (get_constraint_for_component_ref): Likewise.
19731 (do_deref): Likewise.
19732 (get_constraint_for): Likewise.
19733 (do_structure_copy): Likewise.
19734 (handle_ptr_arith): Likewise.
19735 (find_func_aliases): Likewise. Remove unused need_anyoffset
19738 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19739 Kaz Kojima <kkojima@gcc.gnu.org>
19741 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19742 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19743 (EXTRA_CONSTRAINT_C16): Remove.
19744 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19745 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19746 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19747 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19748 constants of SHmedia. Handle nested constant expressions of
19750 (andcosts): Fix the costs for SHmedia constants.
19751 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19752 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19753 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19754 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19755 (movv4hi_i, movv2si_i): Likewise.
19756 (movsi_const): Adjust the second operand of ior so to match with
19757 the Csu constraint.
19758 (movdi_const, movdi_const_32bit): Likewise.
19759 (movdi_const_16bit+1): Don't sign-extend LOW.
19760 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19762 (*double_shori): Fix the split condition. Use GEN_INT instead
19763 of get_int_mode calls. Mask lower 16-bit of the argument of
19765 (sym2GOTPLT): Remove.
19766 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19768 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19769 instead of EXTRA_CONSTRAINT_C16.
19771 2006-01-07 Ian Lance Taylor <ian@airs.com>
19772 David Edelsohn <edelsohn@gnu.org>
19774 PR rtl-optimization/25662
19775 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19776 for constant operands instead of simplify_gen_binary.
19777 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19778 after trying simplify_binary_operation
19780 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19782 * tree.c (iterative_hash_expr): Hash decls based on UID.
19784 2006-01-06 Eric Christopher <echristo@apple.com>
19786 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19787 (TARGET_UNWIND_EMIT): Fix spelling.
19788 * target.h (gcc_target): Add except_table_label.
19789 * except.c (output_function_exception_table): Use.
19790 * varasm.c (default_emit_except_table_label): New.
19791 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19793 (asm_out): Add here.
19794 * output.h (default_emit_except_table_label): Prototype.
19795 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19796 * config/darwin.c (darwin_emit_except_table_label): Define.
19797 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19799 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19801 PR tree-optimization/18527
19802 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19803 number_of_iterations_special, number_of_iterations_exit):
19804 Move base and step of an iv to a single structure. Add
19805 no_overflow flag, and use it in # of iterations analysis.
19806 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19807 folded_casts argument.
19808 (simple_iv): Pass base and step in a structure. Set no_overflow
19810 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19811 Evaluate expensiveness of computing # of iterations instead of
19812 the final expression.
19813 * tree-scalar-evolution.h (affine_iv): New structure.
19814 (simple_iv): Declaration changed.
19815 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19816 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19817 find_givs_in_stmt): Changed due to simple_iv change.
19819 2006-01-06 Jeff Law <law@redhat.com>
19822 * tree-cfg.c (bsi_replace): Rename final argument from
19823 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19824 change (stmt -> orig_stmt).
19825 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19826 (bsi_remove): Add new argument. Remove EH information
19828 (verify_eh_throw_table_statements): New function.
19829 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19831 * tree-optimize.c (execute_free_cfg_annotations): Verify
19832 the EH throw statement table after removing annotations.
19833 * except.h (verify_eh_throw_table_statements): Prototype.
19834 * tree-flow.h (bsi_remove): Update prototype.
19835 * tree-vrp.c (remove_range_assertions): Add new argument to
19837 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19838 * tree-complex.c (expand_complex_div_wide): Likewise.
19839 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19840 * tree-tailcall.c (eliminate_tailcall): Likewise.
19841 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19842 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19843 * tree-nrv.c (tree_nrv): Likewise.
19844 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19845 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19846 (combine_blocks): Likewise.
19847 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19848 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19849 (cleanup_control_flow): Likewise.
19850 (remove_forwarder_block): Likewise.
19851 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19852 * tree-sra.c (sra_replace): Likewise.
19853 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19854 (forward_propagate_single_use_vars): Likewise.
19855 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19856 * tree-inline.c (expand_call_inline): Likewise.
19857 * tree-vect-transform.c (vect_transform_loop): Likewise.
19858 * tree-outof-ssa.c (rewrite_trees): Likewise.
19859 * tree-cfg.c (make_goto_expr_edges): Likewise.
19860 (cleanup_dead_labels): Likewise.
19861 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19862 (bsi_move_before, bsi_move_after): Likewise.
19863 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19864 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19866 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19869 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19871 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19872 on non gimple variables. Also add checks at the top for decls and
19874 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19876 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19877 and IMAGPART_EXPR for creating MUST_DEFs.
19878 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19879 and NAME_MEMORY_TAG separately from the DECLs.
19881 2006-01-06 Richard Guenther <rguenther@suse.de>
19883 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19884 annotation, if necessary.
19885 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19886 redundant calls to update_stmt.
19887 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19890 2006-01-05 Richard Henderson <rth@redhat.com>
19892 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19894 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19896 * c-typeck.c: Update copyright date.
19898 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19900 * c-typeck.c (build_c_cast): Always warn when casting
19901 from a pointer to an integer of different size, even if
19902 the node was constant.
19904 2006-01-05 Richard Guenther <rguenther@suse.de>
19906 PR tree-optimization/22555
19907 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19908 if one structure field is an array.
19909 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19910 operands even if we found a subvar, but ignore VOPs in this
19912 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19914 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19916 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19918 PR middle-end/24998
19919 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19921 2006-01-05 Richard Guenther <rguenther@suse.de>
19922 Diego Novillo <dnovillo@redhat.com>
19924 * tree-pass.h (TODO_remove_unused_locals): Define.
19925 * gimple-low.c (expand_var_p, remove_useless_vars,
19926 pass_remove_useless_vars): Remove. Update all users.
19927 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
19928 (remove_unused_locals): New function.
19929 * tree-flow.h (remove_unused_locals): Declare.
19930 * passes.c (execute_todo): Call remove_unused_locals if
19931 TODO_remove_unused_locals is set.
19932 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
19933 * tree-ssa-dce.c (pass_dce): Likewise.
19934 * tree-outof-ssa.c (pass_del_ssa): Likewise.
19936 2006-01-05 Richard Guenther <rguenther@suse.de>
19938 * tree-flow.h (struct fieldoff): Decompose field to
19939 type, size and decl.
19940 * tree-ssa-alias.c (create_sft): Take type as parameter.
19941 (create_overlap_variables_for): Store type, size and decl
19942 in the fieldoff structure.
19943 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
19944 of struct fieldoff.
19945 (push_fields_onto_fieldstack): Likewise.
19946 (create_variable_info_for): Likewise. Use offset for the
19947 SFT name if the decl is not available.
19949 2006-01-04 Paul Brook <paul@codesourcery.com>
19951 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
19953 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
19955 * lambda-code.c (can_put_in_inner_loop): Relax
19957 (can_put_after_inner_loop): New function.
19958 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
19959 (perfect_nestify): Change to make copies and modify uses.
19961 2006-01-04 Richard Henderson <rth@redhat.com>
19963 Merge from gomp branch:
19964 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
19965 via integer constant.
19966 (pragma_lex): Remove.
19967 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
19968 rather than parsing it.
19969 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
19970 handle_pragma_extern_prefix): Add %< %> quotes.
19971 (registered_pragmas): New.
19972 (c_register_pragma_1): New.
19973 (c_register_pragma): Use it.
19974 (c_register_pragma_with_expansion): Likewise.
19975 (c_invoke_pragma_handler): New.
19976 (init_pragma): Use cpp_register_deferred_pragma directly for
19978 * c-pragma.h (enum pragma_kind): New.
19979 (pragma_handler): New.
19980 (c_invoke_pragma_handler): Declare.
19981 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
19983 * c-common.h (c_common_pch_pragma): Update decl.
19984 * Makefile.in (c-parser.o): Update dependencies.
19985 (GTFILES): Add c-pragma.h.
19986 * c-parser.c (struct c_token): Add pragma_kind.
19987 (struct c_parser): Add in_pragma.
19988 (c_lex_one_token): Always initialize keyword and pragma_kind.
19989 Extract data for CPP_PRAGMA.
19990 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
19991 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
19992 Don't allow CPP_PRAGMA_EOL if in_pragma.
19993 (c_parser_consume_pragma): New.
19994 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
19995 (c_parser_skip_to_end_of_parameter): Likewise.
19996 (c_parser_skip_to_end_of_block_or_statement): Likewise.
19997 (c_parser_skip_to_pragma_eol): New.
19998 (c_parser_external_declaration): Handle CPP_PRAGMA.
19999 (c_parser_compound_statement_nostart): Likewise.
20000 (c_parser_statement_after_labels): Likewise.
20001 (c_parser_pragma): New.
20002 (pragma_lex): Likewise.
20003 (c_parser_pragma_pch_preprocess): New.
20004 (c_parser_new): Merge into ...
20005 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20007 2006-01-04 Jeff Law <law@redhat.com>
20010 * tree-cfg.c (bsi_replace): Remove the original statement
20011 from the EH throw statement table.
20013 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20015 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20016 make the prototype extern "C" and add throw ().
20019 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20020 and pos non-negative and pos + len <= 32.
20021 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20022 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20023 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20026 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20027 as well as sizes not multiple of component size.
20030 * function.c (instantiate_expr): New function.
20031 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20032 walk its DECL_VALUE_EXPR with instantiate_expr.
20034 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20035 DW_OP_deref{,_size} if address isn't going to be added.
20037 2006-01-04 Ben Elliston <bje@au.ibm.com>
20039 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20040 * config/fp-bit.c: Likewise.
20042 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20044 * dominance.c: Add comment about why we use DFS numbering
20047 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20048 Richard Henderson <rth@redhat.com>
20050 Merge from gomp-branch:
20051 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20052 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20054 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20056 PR rtl-optimization/25578
20057 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20058 pass a parameter to simplify_shift_const if changing ASHIFTRT
20061 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20063 * builtins.c (get_builtin_sync_mem): New function.
20064 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20065 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20066 Call get_builtin_sync_mem to generate mem rtx.
20068 2006-01-03 Richard Guenther <rguenther@suse.de>
20071 * stmt.c (add_case_node): Make sure to clear overflow flags
20074 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20076 Merge from gomp-branch.
20077 * config/sparc/sync.md: New file.
20078 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20079 UNSPECV_LDSTUB): New constants.
20080 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20081 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20082 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20085 2006-01-03 Roger Sayle <roger@eyesopen.com>
20087 * combine.c (reg_subword_p): New predicate to test whether the
20088 destination of a set refers to a subword/piece of a register.
20089 (try_combine): Generalize the code to merge the setting of a
20090 pseudo to a constant followed by a set of a subword of that
20091 register to a constant.
20093 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20095 * basic-block.h (control_flow_graph): Change the type of
20096 x_label_to_block_map to VEC(basic_block,gc) *.
20097 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20098 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20100 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20101 VEC(basic_block,heap) *.
20102 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20103 ssa_prop_fini): Adjust the uses of cfg_blocks.
20105 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20107 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20109 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20110 hashing trees instead of a pointer hash.
20111 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20112 compare for MEM_EXPR.
20114 PR rtl-optimization/25130
20115 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20116 when comparing MEMs for GCSE
20118 2006-01-03 Ben Elliston <bje@au.ibm.com>
20120 * targhooks.h (default_decimal_float_supported_p): Declare.
20121 * targhooks.c (default_decimal_float_supported_p): Define.
20122 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20123 `default_decimal_float_supported_p'.
20124 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20126 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20128 * combine.c (apply_distributive_law <SUBREG>): Check
20129 TRULY_NOOP_TRUNCATION.
20131 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20133 * dwarf2out.c (have_switched_text_section): Delete.
20134 (have_multiple_function_sections): New.
20135 (have_location_lists): Make 'bool'.
20136 (add_AT_loc_list): Use 'true' not '1'.
20137 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20138 (output_loc_list): Use have_multiple_function_sections.
20139 (output_ranges): Likewise.
20140 (dwarf2out_begin_function): Set have_multiple_function_sections if
20142 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20143 Check function_section rather than DECL_SECTION_NAME.
20144 (dwarf2out_finish): Use have_multiple_function_sections.
20145 Don't clear have_location_lists.
20147 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20148 Jan Hubicka <jh@suse.cz>
20150 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20151 case of conditional jump jumping to the next instruction.
20152 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20153 cases of conditional jump jumping to the next instruction.
20155 2006-01-02 Jan Hubicka <jh@suse.cz>
20157 * i386.c (*_cost): Add COSTS_N_INSNS.
20158 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20160 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20163 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20165 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20167 * config/arm/arm.c (all_fpus): Fix comment typo.
20168 * config/darwin.c: Likewise.
20169 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20170 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20171 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20173 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20175 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20176 (rs6000_split_compare_and_swapqhi): New.
20177 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20178 (sync_compare_and_swapqhi_internal): New.
20179 * config/rs6000/rs6000-protos.h: Declare.